File: | tools/clang/lib/Serialization/ASTReader.cpp |
Warning: | line 8931, column 7 Called C++ object pointer is null |
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1 | //===- ASTReader.cpp - AST File Reader ------------------------------------===// | |||
2 | // | |||
3 | // The LLVM Compiler Infrastructure | |||
4 | // | |||
5 | // This file is distributed under the University of Illinois Open Source | |||
6 | // License. See LICENSE.TXT for details. | |||
7 | // | |||
8 | //===----------------------------------------------------------------------===// | |||
9 | // | |||
10 | // This file defines the ASTReader class, which reads AST files. | |||
11 | // | |||
12 | //===----------------------------------------------------------------------===// | |||
13 | ||||
14 | #include "clang/Serialization/ASTReader.h" | |||
15 | #include "ASTCommon.h" | |||
16 | #include "ASTReaderInternals.h" | |||
17 | #include "clang/AST/ASTConsumer.h" | |||
18 | #include "clang/AST/ASTContext.h" | |||
19 | #include "clang/AST/ASTMutationListener.h" | |||
20 | #include "clang/AST/ASTUnresolvedSet.h" | |||
21 | #include "clang/AST/Decl.h" | |||
22 | #include "clang/AST/DeclBase.h" | |||
23 | #include "clang/AST/DeclCXX.h" | |||
24 | #include "clang/AST/DeclFriend.h" | |||
25 | #include "clang/AST/DeclGroup.h" | |||
26 | #include "clang/AST/DeclObjC.h" | |||
27 | #include "clang/AST/DeclTemplate.h" | |||
28 | #include "clang/AST/DeclarationName.h" | |||
29 | #include "clang/AST/Expr.h" | |||
30 | #include "clang/AST/ExprCXX.h" | |||
31 | #include "clang/AST/ExternalASTSource.h" | |||
32 | #include "clang/AST/NestedNameSpecifier.h" | |||
33 | #include "clang/AST/ODRHash.h" | |||
34 | #include "clang/AST/RawCommentList.h" | |||
35 | #include "clang/AST/TemplateBase.h" | |||
36 | #include "clang/AST/TemplateName.h" | |||
37 | #include "clang/AST/Type.h" | |||
38 | #include "clang/AST/TypeLoc.h" | |||
39 | #include "clang/AST/TypeLocVisitor.h" | |||
40 | #include "clang/AST/UnresolvedSet.h" | |||
41 | #include "clang/Basic/CommentOptions.h" | |||
42 | #include "clang/Basic/Diagnostic.h" | |||
43 | #include "clang/Basic/DiagnosticOptions.h" | |||
44 | #include "clang/Basic/ExceptionSpecificationType.h" | |||
45 | #include "clang/Basic/FileManager.h" | |||
46 | #include "clang/Basic/FileSystemOptions.h" | |||
47 | #include "clang/Basic/IdentifierTable.h" | |||
48 | #include "clang/Basic/LLVM.h" | |||
49 | #include "clang/Basic/LangOptions.h" | |||
50 | #include "clang/Basic/MemoryBufferCache.h" | |||
51 | #include "clang/Basic/Module.h" | |||
52 | #include "clang/Basic/ObjCRuntime.h" | |||
53 | #include "clang/Basic/OperatorKinds.h" | |||
54 | #include "clang/Basic/PragmaKinds.h" | |||
55 | #include "clang/Basic/Sanitizers.h" | |||
56 | #include "clang/Basic/SourceLocation.h" | |||
57 | #include "clang/Basic/SourceManager.h" | |||
58 | #include "clang/Basic/SourceManagerInternals.h" | |||
59 | #include "clang/Basic/Specifiers.h" | |||
60 | #include "clang/Basic/TargetInfo.h" | |||
61 | #include "clang/Basic/TargetOptions.h" | |||
62 | #include "clang/Basic/TokenKinds.h" | |||
63 | #include "clang/Basic/Version.h" | |||
64 | #include "clang/Frontend/PCHContainerOperations.h" | |||
65 | #include "clang/Lex/HeaderSearch.h" | |||
66 | #include "clang/Lex/HeaderSearchOptions.h" | |||
67 | #include "clang/Lex/MacroInfo.h" | |||
68 | #include "clang/Lex/ModuleMap.h" | |||
69 | #include "clang/Lex/PreprocessingRecord.h" | |||
70 | #include "clang/Lex/Preprocessor.h" | |||
71 | #include "clang/Lex/PreprocessorOptions.h" | |||
72 | #include "clang/Lex/Token.h" | |||
73 | #include "clang/Sema/ObjCMethodList.h" | |||
74 | #include "clang/Sema/Scope.h" | |||
75 | #include "clang/Sema/Sema.h" | |||
76 | #include "clang/Sema/Weak.h" | |||
77 | #include "clang/Serialization/ASTBitCodes.h" | |||
78 | #include "clang/Serialization/ASTDeserializationListener.h" | |||
79 | #include "clang/Serialization/ContinuousRangeMap.h" | |||
80 | #include "clang/Serialization/GlobalModuleIndex.h" | |||
81 | #include "clang/Serialization/Module.h" | |||
82 | #include "clang/Serialization/ModuleFileExtension.h" | |||
83 | #include "clang/Serialization/ModuleManager.h" | |||
84 | #include "clang/Serialization/SerializationDiagnostic.h" | |||
85 | #include "llvm/ADT/APFloat.h" | |||
86 | #include "llvm/ADT/APInt.h" | |||
87 | #include "llvm/ADT/APSInt.h" | |||
88 | #include "llvm/ADT/ArrayRef.h" | |||
89 | #include "llvm/ADT/DenseMap.h" | |||
90 | #include "llvm/ADT/FoldingSet.h" | |||
91 | #include "llvm/ADT/Hashing.h" | |||
92 | #include "llvm/ADT/IntrusiveRefCntPtr.h" | |||
93 | #include "llvm/ADT/None.h" | |||
94 | #include "llvm/ADT/Optional.h" | |||
95 | #include "llvm/ADT/STLExtras.h" | |||
96 | #include "llvm/ADT/SmallPtrSet.h" | |||
97 | #include "llvm/ADT/SmallString.h" | |||
98 | #include "llvm/ADT/SmallVector.h" | |||
99 | #include "llvm/ADT/StringExtras.h" | |||
100 | #include "llvm/ADT/StringMap.h" | |||
101 | #include "llvm/ADT/StringRef.h" | |||
102 | #include "llvm/ADT/Triple.h" | |||
103 | #include "llvm/ADT/iterator_range.h" | |||
104 | #include "llvm/Bitcode/BitstreamReader.h" | |||
105 | #include "llvm/Support/Casting.h" | |||
106 | #include "llvm/Support/Compiler.h" | |||
107 | #include "llvm/Support/Compression.h" | |||
108 | #include "llvm/Support/DJB.h" | |||
109 | #include "llvm/Support/Endian.h" | |||
110 | #include "llvm/Support/Error.h" | |||
111 | #include "llvm/Support/ErrorHandling.h" | |||
112 | #include "llvm/Support/FileSystem.h" | |||
113 | #include "llvm/Support/MemoryBuffer.h" | |||
114 | #include "llvm/Support/Path.h" | |||
115 | #include "llvm/Support/SaveAndRestore.h" | |||
116 | #include "llvm/Support/Timer.h" | |||
117 | #include "llvm/Support/VersionTuple.h" | |||
118 | #include "llvm/Support/raw_ostream.h" | |||
119 | #include <algorithm> | |||
120 | #include <cassert> | |||
121 | #include <cstddef> | |||
122 | #include <cstdint> | |||
123 | #include <cstdio> | |||
124 | #include <ctime> | |||
125 | #include <iterator> | |||
126 | #include <limits> | |||
127 | #include <map> | |||
128 | #include <memory> | |||
129 | #include <string> | |||
130 | #include <system_error> | |||
131 | #include <tuple> | |||
132 | #include <utility> | |||
133 | #include <vector> | |||
134 | ||||
135 | using namespace clang; | |||
136 | using namespace clang::serialization; | |||
137 | using namespace clang::serialization::reader; | |||
138 | using llvm::BitstreamCursor; | |||
139 | ||||
140 | //===----------------------------------------------------------------------===// | |||
141 | // ChainedASTReaderListener implementation | |||
142 | //===----------------------------------------------------------------------===// | |||
143 | ||||
144 | bool | |||
145 | ChainedASTReaderListener::ReadFullVersionInformation(StringRef FullVersion) { | |||
146 | return First->ReadFullVersionInformation(FullVersion) || | |||
147 | Second->ReadFullVersionInformation(FullVersion); | |||
148 | } | |||
149 | ||||
150 | void ChainedASTReaderListener::ReadModuleName(StringRef ModuleName) { | |||
151 | First->ReadModuleName(ModuleName); | |||
152 | Second->ReadModuleName(ModuleName); | |||
153 | } | |||
154 | ||||
155 | void ChainedASTReaderListener::ReadModuleMapFile(StringRef ModuleMapPath) { | |||
156 | First->ReadModuleMapFile(ModuleMapPath); | |||
157 | Second->ReadModuleMapFile(ModuleMapPath); | |||
158 | } | |||
159 | ||||
160 | bool | |||
161 | ChainedASTReaderListener::ReadLanguageOptions(const LangOptions &LangOpts, | |||
162 | bool Complain, | |||
163 | bool AllowCompatibleDifferences) { | |||
164 | return First->ReadLanguageOptions(LangOpts, Complain, | |||
165 | AllowCompatibleDifferences) || | |||
166 | Second->ReadLanguageOptions(LangOpts, Complain, | |||
167 | AllowCompatibleDifferences); | |||
168 | } | |||
169 | ||||
170 | bool ChainedASTReaderListener::ReadTargetOptions( | |||
171 | const TargetOptions &TargetOpts, bool Complain, | |||
172 | bool AllowCompatibleDifferences) { | |||
173 | return First->ReadTargetOptions(TargetOpts, Complain, | |||
174 | AllowCompatibleDifferences) || | |||
175 | Second->ReadTargetOptions(TargetOpts, Complain, | |||
176 | AllowCompatibleDifferences); | |||
177 | } | |||
178 | ||||
179 | bool ChainedASTReaderListener::ReadDiagnosticOptions( | |||
180 | IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts, bool Complain) { | |||
181 | return First->ReadDiagnosticOptions(DiagOpts, Complain) || | |||
182 | Second->ReadDiagnosticOptions(DiagOpts, Complain); | |||
183 | } | |||
184 | ||||
185 | bool | |||
186 | ChainedASTReaderListener::ReadFileSystemOptions(const FileSystemOptions &FSOpts, | |||
187 | bool Complain) { | |||
188 | return First->ReadFileSystemOptions(FSOpts, Complain) || | |||
189 | Second->ReadFileSystemOptions(FSOpts, Complain); | |||
190 | } | |||
191 | ||||
192 | bool ChainedASTReaderListener::ReadHeaderSearchOptions( | |||
193 | const HeaderSearchOptions &HSOpts, StringRef SpecificModuleCachePath, | |||
194 | bool Complain) { | |||
195 | return First->ReadHeaderSearchOptions(HSOpts, SpecificModuleCachePath, | |||
196 | Complain) || | |||
197 | Second->ReadHeaderSearchOptions(HSOpts, SpecificModuleCachePath, | |||
198 | Complain); | |||
199 | } | |||
200 | ||||
201 | bool ChainedASTReaderListener::ReadPreprocessorOptions( | |||
202 | const PreprocessorOptions &PPOpts, bool Complain, | |||
203 | std::string &SuggestedPredefines) { | |||
204 | return First->ReadPreprocessorOptions(PPOpts, Complain, | |||
205 | SuggestedPredefines) || | |||
206 | Second->ReadPreprocessorOptions(PPOpts, Complain, SuggestedPredefines); | |||
207 | } | |||
208 | ||||
209 | void ChainedASTReaderListener::ReadCounter(const serialization::ModuleFile &M, | |||
210 | unsigned Value) { | |||
211 | First->ReadCounter(M, Value); | |||
212 | Second->ReadCounter(M, Value); | |||
213 | } | |||
214 | ||||
215 | bool ChainedASTReaderListener::needsInputFileVisitation() { | |||
216 | return First->needsInputFileVisitation() || | |||
217 | Second->needsInputFileVisitation(); | |||
218 | } | |||
219 | ||||
220 | bool ChainedASTReaderListener::needsSystemInputFileVisitation() { | |||
221 | return First->needsSystemInputFileVisitation() || | |||
222 | Second->needsSystemInputFileVisitation(); | |||
223 | } | |||
224 | ||||
225 | void ChainedASTReaderListener::visitModuleFile(StringRef Filename, | |||
226 | ModuleKind Kind) { | |||
227 | First->visitModuleFile(Filename, Kind); | |||
228 | Second->visitModuleFile(Filename, Kind); | |||
229 | } | |||
230 | ||||
231 | bool ChainedASTReaderListener::visitInputFile(StringRef Filename, | |||
232 | bool isSystem, | |||
233 | bool isOverridden, | |||
234 | bool isExplicitModule) { | |||
235 | bool Continue = false; | |||
236 | if (First->needsInputFileVisitation() && | |||
237 | (!isSystem || First->needsSystemInputFileVisitation())) | |||
238 | Continue |= First->visitInputFile(Filename, isSystem, isOverridden, | |||
239 | isExplicitModule); | |||
240 | if (Second->needsInputFileVisitation() && | |||
241 | (!isSystem || Second->needsSystemInputFileVisitation())) | |||
242 | Continue |= Second->visitInputFile(Filename, isSystem, isOverridden, | |||
243 | isExplicitModule); | |||
244 | return Continue; | |||
245 | } | |||
246 | ||||
247 | void ChainedASTReaderListener::readModuleFileExtension( | |||
248 | const ModuleFileExtensionMetadata &Metadata) { | |||
249 | First->readModuleFileExtension(Metadata); | |||
250 | Second->readModuleFileExtension(Metadata); | |||
251 | } | |||
252 | ||||
253 | //===----------------------------------------------------------------------===// | |||
254 | // PCH validator implementation | |||
255 | //===----------------------------------------------------------------------===// | |||
256 | ||||
257 | ASTReaderListener::~ASTReaderListener() = default; | |||
258 | ||||
259 | /// Compare the given set of language options against an existing set of | |||
260 | /// language options. | |||
261 | /// | |||
262 | /// \param Diags If non-NULL, diagnostics will be emitted via this engine. | |||
263 | /// \param AllowCompatibleDifferences If true, differences between compatible | |||
264 | /// language options will be permitted. | |||
265 | /// | |||
266 | /// \returns true if the languagae options mis-match, false otherwise. | |||
267 | static bool checkLanguageOptions(const LangOptions &LangOpts, | |||
268 | const LangOptions &ExistingLangOpts, | |||
269 | DiagnosticsEngine *Diags, | |||
270 | bool AllowCompatibleDifferences = true) { | |||
271 | #define LANGOPT(Name, Bits, Default, Description) \ | |||
272 | if (ExistingLangOpts.Name != LangOpts.Name) { \ | |||
273 | if (Diags) \ | |||
274 | Diags->Report(diag::err_pch_langopt_mismatch) \ | |||
275 | << Description << LangOpts.Name << ExistingLangOpts.Name; \ | |||
276 | return true; \ | |||
277 | } | |||
278 | ||||
279 | #define VALUE_LANGOPT(Name, Bits, Default, Description) \ | |||
280 | if (ExistingLangOpts.Name != LangOpts.Name) { \ | |||
281 | if (Diags) \ | |||
282 | Diags->Report(diag::err_pch_langopt_value_mismatch) \ | |||
283 | << Description; \ | |||
284 | return true; \ | |||
285 | } | |||
286 | ||||
287 | #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ | |||
288 | if (ExistingLangOpts.get##Name() != LangOpts.get##Name()) { \ | |||
289 | if (Diags) \ | |||
290 | Diags->Report(diag::err_pch_langopt_value_mismatch) \ | |||
291 | << Description; \ | |||
292 | return true; \ | |||
293 | } | |||
294 | ||||
295 | #define COMPATIBLE_LANGOPT(Name, Bits, Default, Description) \ | |||
296 | if (!AllowCompatibleDifferences) \ | |||
297 | LANGOPT(Name, Bits, Default, Description) | |||
298 | ||||
299 | #define COMPATIBLE_ENUM_LANGOPT(Name, Bits, Default, Description) \ | |||
300 | if (!AllowCompatibleDifferences) \ | |||
301 | ENUM_LANGOPT(Name, Bits, Default, Description) | |||
302 | ||||
303 | #define COMPATIBLE_VALUE_LANGOPT(Name, Bits, Default, Description) \ | |||
304 | if (!AllowCompatibleDifferences) \ | |||
305 | VALUE_LANGOPT(Name, Bits, Default, Description) | |||
306 | ||||
307 | #define BENIGN_LANGOPT(Name, Bits, Default, Description) | |||
308 | #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) | |||
309 | #define BENIGN_VALUE_LANGOPT(Name, Type, Bits, Default, Description) | |||
310 | #include "clang/Basic/LangOptions.def" | |||
311 | ||||
312 | if (ExistingLangOpts.ModuleFeatures != LangOpts.ModuleFeatures) { | |||
313 | if (Diags) | |||
314 | Diags->Report(diag::err_pch_langopt_value_mismatch) << "module features"; | |||
315 | return true; | |||
316 | } | |||
317 | ||||
318 | if (ExistingLangOpts.ObjCRuntime != LangOpts.ObjCRuntime) { | |||
319 | if (Diags) | |||
320 | Diags->Report(diag::err_pch_langopt_value_mismatch) | |||
321 | << "target Objective-C runtime"; | |||
322 | return true; | |||
323 | } | |||
324 | ||||
325 | if (ExistingLangOpts.CommentOpts.BlockCommandNames != | |||
326 | LangOpts.CommentOpts.BlockCommandNames) { | |||
327 | if (Diags) | |||
328 | Diags->Report(diag::err_pch_langopt_value_mismatch) | |||
329 | << "block command names"; | |||
330 | return true; | |||
331 | } | |||
332 | ||||
333 | // Sanitizer feature mismatches are treated as compatible differences. If | |||
334 | // compatible differences aren't allowed, we still only want to check for | |||
335 | // mismatches of non-modular sanitizers (the only ones which can affect AST | |||
336 | // generation). | |||
337 | if (!AllowCompatibleDifferences) { | |||
338 | SanitizerMask ModularSanitizers = getPPTransparentSanitizers(); | |||
339 | SanitizerSet ExistingSanitizers = ExistingLangOpts.Sanitize; | |||
340 | SanitizerSet ImportedSanitizers = LangOpts.Sanitize; | |||
341 | ExistingSanitizers.clear(ModularSanitizers); | |||
342 | ImportedSanitizers.clear(ModularSanitizers); | |||
343 | if (ExistingSanitizers.Mask != ImportedSanitizers.Mask) { | |||
344 | const std::string Flag = "-fsanitize="; | |||
345 | if (Diags) { | |||
346 | #define SANITIZER(NAME, ID) \ | |||
347 | { \ | |||
348 | bool InExistingModule = ExistingSanitizers.has(SanitizerKind::ID); \ | |||
349 | bool InImportedModule = ImportedSanitizers.has(SanitizerKind::ID); \ | |||
350 | if (InExistingModule != InImportedModule) \ | |||
351 | Diags->Report(diag::err_pch_targetopt_feature_mismatch) \ | |||
352 | << InExistingModule << (Flag + NAME); \ | |||
353 | } | |||
354 | #include "clang/Basic/Sanitizers.def" | |||
355 | } | |||
356 | return true; | |||
357 | } | |||
358 | } | |||
359 | ||||
360 | return false; | |||
361 | } | |||
362 | ||||
363 | /// Compare the given set of target options against an existing set of | |||
364 | /// target options. | |||
365 | /// | |||
366 | /// \param Diags If non-NULL, diagnostics will be emitted via this engine. | |||
367 | /// | |||
368 | /// \returns true if the target options mis-match, false otherwise. | |||
369 | static bool checkTargetOptions(const TargetOptions &TargetOpts, | |||
370 | const TargetOptions &ExistingTargetOpts, | |||
371 | DiagnosticsEngine *Diags, | |||
372 | bool AllowCompatibleDifferences = true) { | |||
373 | #define CHECK_TARGET_OPT(Field, Name) \ | |||
374 | if (TargetOpts.Field != ExistingTargetOpts.Field) { \ | |||
375 | if (Diags) \ | |||
376 | Diags->Report(diag::err_pch_targetopt_mismatch) \ | |||
377 | << Name << TargetOpts.Field << ExistingTargetOpts.Field; \ | |||
378 | return true; \ | |||
379 | } | |||
380 | ||||
381 | // The triple and ABI must match exactly. | |||
382 | CHECK_TARGET_OPT(Triple, "target"); | |||
383 | CHECK_TARGET_OPT(ABI, "target ABI"); | |||
384 | ||||
385 | // We can tolerate different CPUs in many cases, notably when one CPU | |||
386 | // supports a strict superset of another. When allowing compatible | |||
387 | // differences skip this check. | |||
388 | if (!AllowCompatibleDifferences) | |||
389 | CHECK_TARGET_OPT(CPU, "target CPU"); | |||
390 | ||||
391 | #undef CHECK_TARGET_OPT | |||
392 | ||||
393 | // Compare feature sets. | |||
394 | SmallVector<StringRef, 4> ExistingFeatures( | |||
395 | ExistingTargetOpts.FeaturesAsWritten.begin(), | |||
396 | ExistingTargetOpts.FeaturesAsWritten.end()); | |||
397 | SmallVector<StringRef, 4> ReadFeatures(TargetOpts.FeaturesAsWritten.begin(), | |||
398 | TargetOpts.FeaturesAsWritten.end()); | |||
399 | llvm::sort(ExistingFeatures.begin(), ExistingFeatures.end()); | |||
400 | llvm::sort(ReadFeatures.begin(), ReadFeatures.end()); | |||
401 | ||||
402 | // We compute the set difference in both directions explicitly so that we can | |||
403 | // diagnose the differences differently. | |||
404 | SmallVector<StringRef, 4> UnmatchedExistingFeatures, UnmatchedReadFeatures; | |||
405 | std::set_difference( | |||
406 | ExistingFeatures.begin(), ExistingFeatures.end(), ReadFeatures.begin(), | |||
407 | ReadFeatures.end(), std::back_inserter(UnmatchedExistingFeatures)); | |||
408 | std::set_difference(ReadFeatures.begin(), ReadFeatures.end(), | |||
409 | ExistingFeatures.begin(), ExistingFeatures.end(), | |||
410 | std::back_inserter(UnmatchedReadFeatures)); | |||
411 | ||||
412 | // If we are allowing compatible differences and the read feature set is | |||
413 | // a strict subset of the existing feature set, there is nothing to diagnose. | |||
414 | if (AllowCompatibleDifferences && UnmatchedReadFeatures.empty()) | |||
415 | return false; | |||
416 | ||||
417 | if (Diags) { | |||
418 | for (StringRef Feature : UnmatchedReadFeatures) | |||
419 | Diags->Report(diag::err_pch_targetopt_feature_mismatch) | |||
420 | << /* is-existing-feature */ false << Feature; | |||
421 | for (StringRef Feature : UnmatchedExistingFeatures) | |||
422 | Diags->Report(diag::err_pch_targetopt_feature_mismatch) | |||
423 | << /* is-existing-feature */ true << Feature; | |||
424 | } | |||
425 | ||||
426 | return !UnmatchedReadFeatures.empty() || !UnmatchedExistingFeatures.empty(); | |||
427 | } | |||
428 | ||||
429 | bool | |||
430 | PCHValidator::ReadLanguageOptions(const LangOptions &LangOpts, | |||
431 | bool Complain, | |||
432 | bool AllowCompatibleDifferences) { | |||
433 | const LangOptions &ExistingLangOpts = PP.getLangOpts(); | |||
434 | return checkLanguageOptions(LangOpts, ExistingLangOpts, | |||
435 | Complain ? &Reader.Diags : nullptr, | |||
436 | AllowCompatibleDifferences); | |||
437 | } | |||
438 | ||||
439 | bool PCHValidator::ReadTargetOptions(const TargetOptions &TargetOpts, | |||
440 | bool Complain, | |||
441 | bool AllowCompatibleDifferences) { | |||
442 | const TargetOptions &ExistingTargetOpts = PP.getTargetInfo().getTargetOpts(); | |||
443 | return checkTargetOptions(TargetOpts, ExistingTargetOpts, | |||
444 | Complain ? &Reader.Diags : nullptr, | |||
445 | AllowCompatibleDifferences); | |||
446 | } | |||
447 | ||||
448 | namespace { | |||
449 | ||||
450 | using MacroDefinitionsMap = | |||
451 | llvm::StringMap<std::pair<StringRef, bool /*IsUndef*/>>; | |||
452 | using DeclsMap = llvm::DenseMap<DeclarationName, SmallVector<NamedDecl *, 8>>; | |||
453 | ||||
454 | } // namespace | |||
455 | ||||
456 | static bool checkDiagnosticGroupMappings(DiagnosticsEngine &StoredDiags, | |||
457 | DiagnosticsEngine &Diags, | |||
458 | bool Complain) { | |||
459 | using Level = DiagnosticsEngine::Level; | |||
460 | ||||
461 | // Check current mappings for new -Werror mappings, and the stored mappings | |||
462 | // for cases that were explicitly mapped to *not* be errors that are now | |||
463 | // errors because of options like -Werror. | |||
464 | DiagnosticsEngine *MappingSources[] = { &Diags, &StoredDiags }; | |||
465 | ||||
466 | for (DiagnosticsEngine *MappingSource : MappingSources) { | |||
467 | for (auto DiagIDMappingPair : MappingSource->getDiagnosticMappings()) { | |||
468 | diag::kind DiagID = DiagIDMappingPair.first; | |||
469 | Level CurLevel = Diags.getDiagnosticLevel(DiagID, SourceLocation()); | |||
470 | if (CurLevel < DiagnosticsEngine::Error) | |||
471 | continue; // not significant | |||
472 | Level StoredLevel = | |||
473 | StoredDiags.getDiagnosticLevel(DiagID, SourceLocation()); | |||
474 | if (StoredLevel < DiagnosticsEngine::Error) { | |||
475 | if (Complain) | |||
476 | Diags.Report(diag::err_pch_diagopt_mismatch) << "-Werror=" + | |||
477 | Diags.getDiagnosticIDs()->getWarningOptionForDiag(DiagID).str(); | |||
478 | return true; | |||
479 | } | |||
480 | } | |||
481 | } | |||
482 | ||||
483 | return false; | |||
484 | } | |||
485 | ||||
486 | static bool isExtHandlingFromDiagsError(DiagnosticsEngine &Diags) { | |||
487 | diag::Severity Ext = Diags.getExtensionHandlingBehavior(); | |||
488 | if (Ext == diag::Severity::Warning && Diags.getWarningsAsErrors()) | |||
489 | return true; | |||
490 | return Ext >= diag::Severity::Error; | |||
491 | } | |||
492 | ||||
493 | static bool checkDiagnosticMappings(DiagnosticsEngine &StoredDiags, | |||
494 | DiagnosticsEngine &Diags, | |||
495 | bool IsSystem, bool Complain) { | |||
496 | // Top-level options | |||
497 | if (IsSystem) { | |||
498 | if (Diags.getSuppressSystemWarnings()) | |||
499 | return false; | |||
500 | // If -Wsystem-headers was not enabled before, be conservative | |||
501 | if (StoredDiags.getSuppressSystemWarnings()) { | |||
502 | if (Complain) | |||
503 | Diags.Report(diag::err_pch_diagopt_mismatch) << "-Wsystem-headers"; | |||
504 | return true; | |||
505 | } | |||
506 | } | |||
507 | ||||
508 | if (Diags.getWarningsAsErrors() && !StoredDiags.getWarningsAsErrors()) { | |||
509 | if (Complain) | |||
510 | Diags.Report(diag::err_pch_diagopt_mismatch) << "-Werror"; | |||
511 | return true; | |||
512 | } | |||
513 | ||||
514 | if (Diags.getWarningsAsErrors() && Diags.getEnableAllWarnings() && | |||
515 | !StoredDiags.getEnableAllWarnings()) { | |||
516 | if (Complain) | |||
517 | Diags.Report(diag::err_pch_diagopt_mismatch) << "-Weverything -Werror"; | |||
518 | return true; | |||
519 | } | |||
520 | ||||
521 | if (isExtHandlingFromDiagsError(Diags) && | |||
522 | !isExtHandlingFromDiagsError(StoredDiags)) { | |||
523 | if (Complain) | |||
524 | Diags.Report(diag::err_pch_diagopt_mismatch) << "-pedantic-errors"; | |||
525 | return true; | |||
526 | } | |||
527 | ||||
528 | return checkDiagnosticGroupMappings(StoredDiags, Diags, Complain); | |||
529 | } | |||
530 | ||||
531 | /// Return the top import module if it is implicit, nullptr otherwise. | |||
532 | static Module *getTopImportImplicitModule(ModuleManager &ModuleMgr, | |||
533 | Preprocessor &PP) { | |||
534 | // If the original import came from a file explicitly generated by the user, | |||
535 | // don't check the diagnostic mappings. | |||
536 | // FIXME: currently this is approximated by checking whether this is not a | |||
537 | // module import of an implicitly-loaded module file. | |||
538 | // Note: ModuleMgr.rbegin() may not be the current module, but it must be in | |||
539 | // the transitive closure of its imports, since unrelated modules cannot be | |||
540 | // imported until after this module finishes validation. | |||
541 | ModuleFile *TopImport = &*ModuleMgr.rbegin(); | |||
542 | while (!TopImport->ImportedBy.empty()) | |||
543 | TopImport = TopImport->ImportedBy[0]; | |||
544 | if (TopImport->Kind != MK_ImplicitModule) | |||
545 | return nullptr; | |||
546 | ||||
547 | StringRef ModuleName = TopImport->ModuleName; | |||
548 | assert(!ModuleName.empty() && "diagnostic options read before module name")(static_cast <bool> (!ModuleName.empty() && "diagnostic options read before module name" ) ? void (0) : __assert_fail ("!ModuleName.empty() && \"diagnostic options read before module name\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 548, __extension__ __PRETTY_FUNCTION__)); | |||
549 | ||||
550 | Module *M = PP.getHeaderSearchInfo().lookupModule(ModuleName); | |||
551 | assert(M && "missing module")(static_cast <bool> (M && "missing module") ? void (0) : __assert_fail ("M && \"missing module\"", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 551, __extension__ __PRETTY_FUNCTION__)); | |||
552 | return M; | |||
553 | } | |||
554 | ||||
555 | bool PCHValidator::ReadDiagnosticOptions( | |||
556 | IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts, bool Complain) { | |||
557 | DiagnosticsEngine &ExistingDiags = PP.getDiagnostics(); | |||
558 | IntrusiveRefCntPtr<DiagnosticIDs> DiagIDs(ExistingDiags.getDiagnosticIDs()); | |||
559 | IntrusiveRefCntPtr<DiagnosticsEngine> Diags( | |||
560 | new DiagnosticsEngine(DiagIDs, DiagOpts.get())); | |||
561 | // This should never fail, because we would have processed these options | |||
562 | // before writing them to an ASTFile. | |||
563 | ProcessWarningOptions(*Diags, *DiagOpts, /*Report*/false); | |||
564 | ||||
565 | ModuleManager &ModuleMgr = Reader.getModuleManager(); | |||
566 | assert(ModuleMgr.size() >= 1 && "what ASTFile is this then")(static_cast <bool> (ModuleMgr.size() >= 1 && "what ASTFile is this then") ? void (0) : __assert_fail ("ModuleMgr.size() >= 1 && \"what ASTFile is this then\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 566, __extension__ __PRETTY_FUNCTION__)); | |||
567 | ||||
568 | Module *TopM = getTopImportImplicitModule(ModuleMgr, PP); | |||
569 | if (!TopM) | |||
570 | return false; | |||
571 | ||||
572 | // FIXME: if the diagnostics are incompatible, save a DiagnosticOptions that | |||
573 | // contains the union of their flags. | |||
574 | return checkDiagnosticMappings(*Diags, ExistingDiags, TopM->IsSystem, | |||
575 | Complain); | |||
576 | } | |||
577 | ||||
578 | /// Collect the macro definitions provided by the given preprocessor | |||
579 | /// options. | |||
580 | static void | |||
581 | collectMacroDefinitions(const PreprocessorOptions &PPOpts, | |||
582 | MacroDefinitionsMap &Macros, | |||
583 | SmallVectorImpl<StringRef> *MacroNames = nullptr) { | |||
584 | for (unsigned I = 0, N = PPOpts.Macros.size(); I != N; ++I) { | |||
585 | StringRef Macro = PPOpts.Macros[I].first; | |||
586 | bool IsUndef = PPOpts.Macros[I].second; | |||
587 | ||||
588 | std::pair<StringRef, StringRef> MacroPair = Macro.split('='); | |||
589 | StringRef MacroName = MacroPair.first; | |||
590 | StringRef MacroBody = MacroPair.second; | |||
591 | ||||
592 | // For an #undef'd macro, we only care about the name. | |||
593 | if (IsUndef) { | |||
594 | if (MacroNames && !Macros.count(MacroName)) | |||
595 | MacroNames->push_back(MacroName); | |||
596 | ||||
597 | Macros[MacroName] = std::make_pair("", true); | |||
598 | continue; | |||
599 | } | |||
600 | ||||
601 | // For a #define'd macro, figure out the actual definition. | |||
602 | if (MacroName.size() == Macro.size()) | |||
603 | MacroBody = "1"; | |||
604 | else { | |||
605 | // Note: GCC drops anything following an end-of-line character. | |||
606 | StringRef::size_type End = MacroBody.find_first_of("\n\r"); | |||
607 | MacroBody = MacroBody.substr(0, End); | |||
608 | } | |||
609 | ||||
610 | if (MacroNames && !Macros.count(MacroName)) | |||
611 | MacroNames->push_back(MacroName); | |||
612 | Macros[MacroName] = std::make_pair(MacroBody, false); | |||
613 | } | |||
614 | } | |||
615 | ||||
616 | /// Check the preprocessor options deserialized from the control block | |||
617 | /// against the preprocessor options in an existing preprocessor. | |||
618 | /// | |||
619 | /// \param Diags If non-null, produce diagnostics for any mismatches incurred. | |||
620 | /// \param Validate If true, validate preprocessor options. If false, allow | |||
621 | /// macros defined by \p ExistingPPOpts to override those defined by | |||
622 | /// \p PPOpts in SuggestedPredefines. | |||
623 | static bool checkPreprocessorOptions(const PreprocessorOptions &PPOpts, | |||
624 | const PreprocessorOptions &ExistingPPOpts, | |||
625 | DiagnosticsEngine *Diags, | |||
626 | FileManager &FileMgr, | |||
627 | std::string &SuggestedPredefines, | |||
628 | const LangOptions &LangOpts, | |||
629 | bool Validate = true) { | |||
630 | // Check macro definitions. | |||
631 | MacroDefinitionsMap ASTFileMacros; | |||
632 | collectMacroDefinitions(PPOpts, ASTFileMacros); | |||
633 | MacroDefinitionsMap ExistingMacros; | |||
634 | SmallVector<StringRef, 4> ExistingMacroNames; | |||
635 | collectMacroDefinitions(ExistingPPOpts, ExistingMacros, &ExistingMacroNames); | |||
636 | ||||
637 | for (unsigned I = 0, N = ExistingMacroNames.size(); I != N; ++I) { | |||
638 | // Dig out the macro definition in the existing preprocessor options. | |||
639 | StringRef MacroName = ExistingMacroNames[I]; | |||
640 | std::pair<StringRef, bool> Existing = ExistingMacros[MacroName]; | |||
641 | ||||
642 | // Check whether we know anything about this macro name or not. | |||
643 | llvm::StringMap<std::pair<StringRef, bool /*IsUndef*/>>::iterator Known = | |||
644 | ASTFileMacros.find(MacroName); | |||
645 | if (!Validate || Known == ASTFileMacros.end()) { | |||
646 | // FIXME: Check whether this identifier was referenced anywhere in the | |||
647 | // AST file. If so, we should reject the AST file. Unfortunately, this | |||
648 | // information isn't in the control block. What shall we do about it? | |||
649 | ||||
650 | if (Existing.second) { | |||
651 | SuggestedPredefines += "#undef "; | |||
652 | SuggestedPredefines += MacroName.str(); | |||
653 | SuggestedPredefines += '\n'; | |||
654 | } else { | |||
655 | SuggestedPredefines += "#define "; | |||
656 | SuggestedPredefines += MacroName.str(); | |||
657 | SuggestedPredefines += ' '; | |||
658 | SuggestedPredefines += Existing.first.str(); | |||
659 | SuggestedPredefines += '\n'; | |||
660 | } | |||
661 | continue; | |||
662 | } | |||
663 | ||||
664 | // If the macro was defined in one but undef'd in the other, we have a | |||
665 | // conflict. | |||
666 | if (Existing.second != Known->second.second) { | |||
667 | if (Diags) { | |||
668 | Diags->Report(diag::err_pch_macro_def_undef) | |||
669 | << MacroName << Known->second.second; | |||
670 | } | |||
671 | return true; | |||
672 | } | |||
673 | ||||
674 | // If the macro was #undef'd in both, or if the macro bodies are identical, | |||
675 | // it's fine. | |||
676 | if (Existing.second || Existing.first == Known->second.first) | |||
677 | continue; | |||
678 | ||||
679 | // The macro bodies differ; complain. | |||
680 | if (Diags) { | |||
681 | Diags->Report(diag::err_pch_macro_def_conflict) | |||
682 | << MacroName << Known->second.first << Existing.first; | |||
683 | } | |||
684 | return true; | |||
685 | } | |||
686 | ||||
687 | // Check whether we're using predefines. | |||
688 | if (PPOpts.UsePredefines != ExistingPPOpts.UsePredefines && Validate) { | |||
689 | if (Diags) { | |||
690 | Diags->Report(diag::err_pch_undef) << ExistingPPOpts.UsePredefines; | |||
691 | } | |||
692 | return true; | |||
693 | } | |||
694 | ||||
695 | // Detailed record is important since it is used for the module cache hash. | |||
696 | if (LangOpts.Modules && | |||
697 | PPOpts.DetailedRecord != ExistingPPOpts.DetailedRecord && Validate) { | |||
698 | if (Diags) { | |||
699 | Diags->Report(diag::err_pch_pp_detailed_record) << PPOpts.DetailedRecord; | |||
700 | } | |||
701 | return true; | |||
702 | } | |||
703 | ||||
704 | // Compute the #include and #include_macros lines we need. | |||
705 | for (unsigned I = 0, N = ExistingPPOpts.Includes.size(); I != N; ++I) { | |||
706 | StringRef File = ExistingPPOpts.Includes[I]; | |||
707 | ||||
708 | if (!ExistingPPOpts.ImplicitPCHInclude.empty() && | |||
709 | !ExistingPPOpts.PCHThroughHeader.empty()) { | |||
710 | // In case the through header is an include, we must add all the includes | |||
711 | // to the predefines so the start point can be determined. | |||
712 | SuggestedPredefines += "#include \""; | |||
713 | SuggestedPredefines += File; | |||
714 | SuggestedPredefines += "\"\n"; | |||
715 | continue; | |||
716 | } | |||
717 | ||||
718 | if (File == ExistingPPOpts.ImplicitPCHInclude) | |||
719 | continue; | |||
720 | ||||
721 | if (std::find(PPOpts.Includes.begin(), PPOpts.Includes.end(), File) | |||
722 | != PPOpts.Includes.end()) | |||
723 | continue; | |||
724 | ||||
725 | SuggestedPredefines += "#include \""; | |||
726 | SuggestedPredefines += File; | |||
727 | SuggestedPredefines += "\"\n"; | |||
728 | } | |||
729 | ||||
730 | for (unsigned I = 0, N = ExistingPPOpts.MacroIncludes.size(); I != N; ++I) { | |||
731 | StringRef File = ExistingPPOpts.MacroIncludes[I]; | |||
732 | if (std::find(PPOpts.MacroIncludes.begin(), PPOpts.MacroIncludes.end(), | |||
733 | File) | |||
734 | != PPOpts.MacroIncludes.end()) | |||
735 | continue; | |||
736 | ||||
737 | SuggestedPredefines += "#__include_macros \""; | |||
738 | SuggestedPredefines += File; | |||
739 | SuggestedPredefines += "\"\n##\n"; | |||
740 | } | |||
741 | ||||
742 | return false; | |||
743 | } | |||
744 | ||||
745 | bool PCHValidator::ReadPreprocessorOptions(const PreprocessorOptions &PPOpts, | |||
746 | bool Complain, | |||
747 | std::string &SuggestedPredefines) { | |||
748 | const PreprocessorOptions &ExistingPPOpts = PP.getPreprocessorOpts(); | |||
749 | ||||
750 | return checkPreprocessorOptions(PPOpts, ExistingPPOpts, | |||
751 | Complain? &Reader.Diags : nullptr, | |||
752 | PP.getFileManager(), | |||
753 | SuggestedPredefines, | |||
754 | PP.getLangOpts()); | |||
755 | } | |||
756 | ||||
757 | bool SimpleASTReaderListener::ReadPreprocessorOptions( | |||
758 | const PreprocessorOptions &PPOpts, | |||
759 | bool Complain, | |||
760 | std::string &SuggestedPredefines) { | |||
761 | return checkPreprocessorOptions(PPOpts, | |||
762 | PP.getPreprocessorOpts(), | |||
763 | nullptr, | |||
764 | PP.getFileManager(), | |||
765 | SuggestedPredefines, | |||
766 | PP.getLangOpts(), | |||
767 | false); | |||
768 | } | |||
769 | ||||
770 | /// Check the header search options deserialized from the control block | |||
771 | /// against the header search options in an existing preprocessor. | |||
772 | /// | |||
773 | /// \param Diags If non-null, produce diagnostics for any mismatches incurred. | |||
774 | static bool checkHeaderSearchOptions(const HeaderSearchOptions &HSOpts, | |||
775 | StringRef SpecificModuleCachePath, | |||
776 | StringRef ExistingModuleCachePath, | |||
777 | DiagnosticsEngine *Diags, | |||
778 | const LangOptions &LangOpts) { | |||
779 | if (LangOpts.Modules) { | |||
780 | if (SpecificModuleCachePath != ExistingModuleCachePath) { | |||
781 | if (Diags) | |||
782 | Diags->Report(diag::err_pch_modulecache_mismatch) | |||
783 | << SpecificModuleCachePath << ExistingModuleCachePath; | |||
784 | return true; | |||
785 | } | |||
786 | } | |||
787 | ||||
788 | return false; | |||
789 | } | |||
790 | ||||
791 | bool PCHValidator::ReadHeaderSearchOptions(const HeaderSearchOptions &HSOpts, | |||
792 | StringRef SpecificModuleCachePath, | |||
793 | bool Complain) { | |||
794 | return checkHeaderSearchOptions(HSOpts, SpecificModuleCachePath, | |||
795 | PP.getHeaderSearchInfo().getModuleCachePath(), | |||
796 | Complain ? &Reader.Diags : nullptr, | |||
797 | PP.getLangOpts()); | |||
798 | } | |||
799 | ||||
800 | void PCHValidator::ReadCounter(const ModuleFile &M, unsigned Value) { | |||
801 | PP.setCounterValue(Value); | |||
802 | } | |||
803 | ||||
804 | //===----------------------------------------------------------------------===// | |||
805 | // AST reader implementation | |||
806 | //===----------------------------------------------------------------------===// | |||
807 | ||||
808 | void ASTReader::setDeserializationListener(ASTDeserializationListener *Listener, | |||
809 | bool TakeOwnership) { | |||
810 | DeserializationListener = Listener; | |||
811 | OwnsDeserializationListener = TakeOwnership; | |||
812 | } | |||
813 | ||||
814 | unsigned ASTSelectorLookupTrait::ComputeHash(Selector Sel) { | |||
815 | return serialization::ComputeHash(Sel); | |||
816 | } | |||
817 | ||||
818 | std::pair<unsigned, unsigned> | |||
819 | ASTSelectorLookupTrait::ReadKeyDataLength(const unsigned char*& d) { | |||
820 | using namespace llvm::support; | |||
821 | ||||
822 | unsigned KeyLen = endian::readNext<uint16_t, little, unaligned>(d); | |||
823 | unsigned DataLen = endian::readNext<uint16_t, little, unaligned>(d); | |||
824 | return std::make_pair(KeyLen, DataLen); | |||
825 | } | |||
826 | ||||
827 | ASTSelectorLookupTrait::internal_key_type | |||
828 | ASTSelectorLookupTrait::ReadKey(const unsigned char* d, unsigned) { | |||
829 | using namespace llvm::support; | |||
830 | ||||
831 | SelectorTable &SelTable = Reader.getContext().Selectors; | |||
832 | unsigned N = endian::readNext<uint16_t, little, unaligned>(d); | |||
833 | IdentifierInfo *FirstII = Reader.getLocalIdentifier( | |||
834 | F, endian::readNext<uint32_t, little, unaligned>(d)); | |||
835 | if (N == 0) | |||
836 | return SelTable.getNullarySelector(FirstII); | |||
837 | else if (N == 1) | |||
838 | return SelTable.getUnarySelector(FirstII); | |||
839 | ||||
840 | SmallVector<IdentifierInfo *, 16> Args; | |||
841 | Args.push_back(FirstII); | |||
842 | for (unsigned I = 1; I != N; ++I) | |||
843 | Args.push_back(Reader.getLocalIdentifier( | |||
844 | F, endian::readNext<uint32_t, little, unaligned>(d))); | |||
845 | ||||
846 | return SelTable.getSelector(N, Args.data()); | |||
847 | } | |||
848 | ||||
849 | ASTSelectorLookupTrait::data_type | |||
850 | ASTSelectorLookupTrait::ReadData(Selector, const unsigned char* d, | |||
851 | unsigned DataLen) { | |||
852 | using namespace llvm::support; | |||
853 | ||||
854 | data_type Result; | |||
855 | ||||
856 | Result.ID = Reader.getGlobalSelectorID( | |||
857 | F, endian::readNext<uint32_t, little, unaligned>(d)); | |||
858 | unsigned FullInstanceBits = endian::readNext<uint16_t, little, unaligned>(d); | |||
859 | unsigned FullFactoryBits = endian::readNext<uint16_t, little, unaligned>(d); | |||
860 | Result.InstanceBits = FullInstanceBits & 0x3; | |||
861 | Result.InstanceHasMoreThanOneDecl = (FullInstanceBits >> 2) & 0x1; | |||
862 | Result.FactoryBits = FullFactoryBits & 0x3; | |||
863 | Result.FactoryHasMoreThanOneDecl = (FullFactoryBits >> 2) & 0x1; | |||
864 | unsigned NumInstanceMethods = FullInstanceBits >> 3; | |||
865 | unsigned NumFactoryMethods = FullFactoryBits >> 3; | |||
866 | ||||
867 | // Load instance methods | |||
868 | for (unsigned I = 0; I != NumInstanceMethods; ++I) { | |||
869 | if (ObjCMethodDecl *Method = Reader.GetLocalDeclAs<ObjCMethodDecl>( | |||
870 | F, endian::readNext<uint32_t, little, unaligned>(d))) | |||
871 | Result.Instance.push_back(Method); | |||
872 | } | |||
873 | ||||
874 | // Load factory methods | |||
875 | for (unsigned I = 0; I != NumFactoryMethods; ++I) { | |||
876 | if (ObjCMethodDecl *Method = Reader.GetLocalDeclAs<ObjCMethodDecl>( | |||
877 | F, endian::readNext<uint32_t, little, unaligned>(d))) | |||
878 | Result.Factory.push_back(Method); | |||
879 | } | |||
880 | ||||
881 | return Result; | |||
882 | } | |||
883 | ||||
884 | unsigned ASTIdentifierLookupTraitBase::ComputeHash(const internal_key_type& a) { | |||
885 | return llvm::djbHash(a); | |||
886 | } | |||
887 | ||||
888 | std::pair<unsigned, unsigned> | |||
889 | ASTIdentifierLookupTraitBase::ReadKeyDataLength(const unsigned char*& d) { | |||
890 | using namespace llvm::support; | |||
891 | ||||
892 | unsigned DataLen = endian::readNext<uint16_t, little, unaligned>(d); | |||
893 | unsigned KeyLen = endian::readNext<uint16_t, little, unaligned>(d); | |||
894 | return std::make_pair(KeyLen, DataLen); | |||
895 | } | |||
896 | ||||
897 | ASTIdentifierLookupTraitBase::internal_key_type | |||
898 | ASTIdentifierLookupTraitBase::ReadKey(const unsigned char* d, unsigned n) { | |||
899 | assert(n >= 2 && d[n-1] == '\0')(static_cast <bool> (n >= 2 && d[n-1] == '\0' ) ? void (0) : __assert_fail ("n >= 2 && d[n-1] == '\\0'" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 899, __extension__ __PRETTY_FUNCTION__)); | |||
900 | return StringRef((const char*) d, n-1); | |||
901 | } | |||
902 | ||||
903 | /// Whether the given identifier is "interesting". | |||
904 | static bool isInterestingIdentifier(ASTReader &Reader, IdentifierInfo &II, | |||
905 | bool IsModule) { | |||
906 | return II.hadMacroDefinition() || | |||
907 | II.isPoisoned() || | |||
908 | (IsModule ? II.hasRevertedBuiltin() : II.getObjCOrBuiltinID()) || | |||
909 | II.hasRevertedTokenIDToIdentifier() || | |||
910 | (!(IsModule && Reader.getPreprocessor().getLangOpts().CPlusPlus) && | |||
911 | II.getFETokenInfo<void>()); | |||
912 | } | |||
913 | ||||
914 | static bool readBit(unsigned &Bits) { | |||
915 | bool Value = Bits & 0x1; | |||
916 | Bits >>= 1; | |||
917 | return Value; | |||
918 | } | |||
919 | ||||
920 | IdentID ASTIdentifierLookupTrait::ReadIdentifierID(const unsigned char *d) { | |||
921 | using namespace llvm::support; | |||
922 | ||||
923 | unsigned RawID = endian::readNext<uint32_t, little, unaligned>(d); | |||
924 | return Reader.getGlobalIdentifierID(F, RawID >> 1); | |||
925 | } | |||
926 | ||||
927 | static void markIdentifierFromAST(ASTReader &Reader, IdentifierInfo &II) { | |||
928 | if (!II.isFromAST()) { | |||
929 | II.setIsFromAST(); | |||
930 | bool IsModule = Reader.getPreprocessor().getCurrentModule() != nullptr; | |||
931 | if (isInterestingIdentifier(Reader, II, IsModule)) | |||
932 | II.setChangedSinceDeserialization(); | |||
933 | } | |||
934 | } | |||
935 | ||||
936 | IdentifierInfo *ASTIdentifierLookupTrait::ReadData(const internal_key_type& k, | |||
937 | const unsigned char* d, | |||
938 | unsigned DataLen) { | |||
939 | using namespace llvm::support; | |||
940 | ||||
941 | unsigned RawID = endian::readNext<uint32_t, little, unaligned>(d); | |||
942 | bool IsInteresting = RawID & 0x01; | |||
943 | ||||
944 | // Wipe out the "is interesting" bit. | |||
945 | RawID = RawID >> 1; | |||
946 | ||||
947 | // Build the IdentifierInfo and link the identifier ID with it. | |||
948 | IdentifierInfo *II = KnownII; | |||
949 | if (!II) { | |||
950 | II = &Reader.getIdentifierTable().getOwn(k); | |||
951 | KnownII = II; | |||
952 | } | |||
953 | markIdentifierFromAST(Reader, *II); | |||
954 | Reader.markIdentifierUpToDate(II); | |||
955 | ||||
956 | IdentID ID = Reader.getGlobalIdentifierID(F, RawID); | |||
957 | if (!IsInteresting) { | |||
958 | // For uninteresting identifiers, there's nothing else to do. Just notify | |||
959 | // the reader that we've finished loading this identifier. | |||
960 | Reader.SetIdentifierInfo(ID, II); | |||
961 | return II; | |||
962 | } | |||
963 | ||||
964 | unsigned ObjCOrBuiltinID = endian::readNext<uint16_t, little, unaligned>(d); | |||
965 | unsigned Bits = endian::readNext<uint16_t, little, unaligned>(d); | |||
966 | bool CPlusPlusOperatorKeyword = readBit(Bits); | |||
967 | bool HasRevertedTokenIDToIdentifier = readBit(Bits); | |||
968 | bool HasRevertedBuiltin = readBit(Bits); | |||
969 | bool Poisoned = readBit(Bits); | |||
970 | bool ExtensionToken = readBit(Bits); | |||
971 | bool HadMacroDefinition = readBit(Bits); | |||
972 | ||||
973 | assert(Bits == 0 && "Extra bits in the identifier?")(static_cast <bool> (Bits == 0 && "Extra bits in the identifier?" ) ? void (0) : __assert_fail ("Bits == 0 && \"Extra bits in the identifier?\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 973, __extension__ __PRETTY_FUNCTION__)); | |||
974 | DataLen -= 8; | |||
975 | ||||
976 | // Set or check the various bits in the IdentifierInfo structure. | |||
977 | // Token IDs are read-only. | |||
978 | if (HasRevertedTokenIDToIdentifier && II->getTokenID() != tok::identifier) | |||
979 | II->revertTokenIDToIdentifier(); | |||
980 | if (!F.isModule()) | |||
981 | II->setObjCOrBuiltinID(ObjCOrBuiltinID); | |||
982 | else if (HasRevertedBuiltin && II->getBuiltinID()) { | |||
983 | II->revertBuiltin(); | |||
984 | assert((II->hasRevertedBuiltin() ||(static_cast <bool> ((II->hasRevertedBuiltin() || II ->getObjCOrBuiltinID() == ObjCOrBuiltinID) && "Incorrect ObjC keyword or builtin ID" ) ? void (0) : __assert_fail ("(II->hasRevertedBuiltin() || II->getObjCOrBuiltinID() == ObjCOrBuiltinID) && \"Incorrect ObjC keyword or builtin ID\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 986, __extension__ __PRETTY_FUNCTION__)) | |||
985 | II->getObjCOrBuiltinID() == ObjCOrBuiltinID) &&(static_cast <bool> ((II->hasRevertedBuiltin() || II ->getObjCOrBuiltinID() == ObjCOrBuiltinID) && "Incorrect ObjC keyword or builtin ID" ) ? void (0) : __assert_fail ("(II->hasRevertedBuiltin() || II->getObjCOrBuiltinID() == ObjCOrBuiltinID) && \"Incorrect ObjC keyword or builtin ID\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 986, __extension__ __PRETTY_FUNCTION__)) | |||
986 | "Incorrect ObjC keyword or builtin ID")(static_cast <bool> ((II->hasRevertedBuiltin() || II ->getObjCOrBuiltinID() == ObjCOrBuiltinID) && "Incorrect ObjC keyword or builtin ID" ) ? void (0) : __assert_fail ("(II->hasRevertedBuiltin() || II->getObjCOrBuiltinID() == ObjCOrBuiltinID) && \"Incorrect ObjC keyword or builtin ID\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 986, __extension__ __PRETTY_FUNCTION__)); | |||
987 | } | |||
988 | assert(II->isExtensionToken() == ExtensionToken &&(static_cast <bool> (II->isExtensionToken() == ExtensionToken && "Incorrect extension token flag") ? void (0) : __assert_fail ("II->isExtensionToken() == ExtensionToken && \"Incorrect extension token flag\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 989, __extension__ __PRETTY_FUNCTION__)) | |||
989 | "Incorrect extension token flag")(static_cast <bool> (II->isExtensionToken() == ExtensionToken && "Incorrect extension token flag") ? void (0) : __assert_fail ("II->isExtensionToken() == ExtensionToken && \"Incorrect extension token flag\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 989, __extension__ __PRETTY_FUNCTION__)); | |||
990 | (void)ExtensionToken; | |||
991 | if (Poisoned) | |||
992 | II->setIsPoisoned(true); | |||
993 | assert(II->isCPlusPlusOperatorKeyword() == CPlusPlusOperatorKeyword &&(static_cast <bool> (II->isCPlusPlusOperatorKeyword( ) == CPlusPlusOperatorKeyword && "Incorrect C++ operator keyword flag" ) ? void (0) : __assert_fail ("II->isCPlusPlusOperatorKeyword() == CPlusPlusOperatorKeyword && \"Incorrect C++ operator keyword flag\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 994, __extension__ __PRETTY_FUNCTION__)) | |||
994 | "Incorrect C++ operator keyword flag")(static_cast <bool> (II->isCPlusPlusOperatorKeyword( ) == CPlusPlusOperatorKeyword && "Incorrect C++ operator keyword flag" ) ? void (0) : __assert_fail ("II->isCPlusPlusOperatorKeyword() == CPlusPlusOperatorKeyword && \"Incorrect C++ operator keyword flag\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 994, __extension__ __PRETTY_FUNCTION__)); | |||
995 | (void)CPlusPlusOperatorKeyword; | |||
996 | ||||
997 | // If this identifier is a macro, deserialize the macro | |||
998 | // definition. | |||
999 | if (HadMacroDefinition) { | |||
1000 | uint32_t MacroDirectivesOffset = | |||
1001 | endian::readNext<uint32_t, little, unaligned>(d); | |||
1002 | DataLen -= 4; | |||
1003 | ||||
1004 | Reader.addPendingMacro(II, &F, MacroDirectivesOffset); | |||
1005 | } | |||
1006 | ||||
1007 | Reader.SetIdentifierInfo(ID, II); | |||
1008 | ||||
1009 | // Read all of the declarations visible at global scope with this | |||
1010 | // name. | |||
1011 | if (DataLen > 0) { | |||
1012 | SmallVector<uint32_t, 4> DeclIDs; | |||
1013 | for (; DataLen > 0; DataLen -= 4) | |||
1014 | DeclIDs.push_back(Reader.getGlobalDeclID( | |||
1015 | F, endian::readNext<uint32_t, little, unaligned>(d))); | |||
1016 | Reader.SetGloballyVisibleDecls(II, DeclIDs); | |||
1017 | } | |||
1018 | ||||
1019 | return II; | |||
1020 | } | |||
1021 | ||||
1022 | DeclarationNameKey::DeclarationNameKey(DeclarationName Name) | |||
1023 | : Kind(Name.getNameKind()) { | |||
1024 | switch (Kind) { | |||
1025 | case DeclarationName::Identifier: | |||
1026 | Data = (uint64_t)Name.getAsIdentifierInfo(); | |||
1027 | break; | |||
1028 | case DeclarationName::ObjCZeroArgSelector: | |||
1029 | case DeclarationName::ObjCOneArgSelector: | |||
1030 | case DeclarationName::ObjCMultiArgSelector: | |||
1031 | Data = (uint64_t)Name.getObjCSelector().getAsOpaquePtr(); | |||
1032 | break; | |||
1033 | case DeclarationName::CXXOperatorName: | |||
1034 | Data = Name.getCXXOverloadedOperator(); | |||
1035 | break; | |||
1036 | case DeclarationName::CXXLiteralOperatorName: | |||
1037 | Data = (uint64_t)Name.getCXXLiteralIdentifier(); | |||
1038 | break; | |||
1039 | case DeclarationName::CXXDeductionGuideName: | |||
1040 | Data = (uint64_t)Name.getCXXDeductionGuideTemplate() | |||
1041 | ->getDeclName().getAsIdentifierInfo(); | |||
1042 | break; | |||
1043 | case DeclarationName::CXXConstructorName: | |||
1044 | case DeclarationName::CXXDestructorName: | |||
1045 | case DeclarationName::CXXConversionFunctionName: | |||
1046 | case DeclarationName::CXXUsingDirective: | |||
1047 | Data = 0; | |||
1048 | break; | |||
1049 | } | |||
1050 | } | |||
1051 | ||||
1052 | unsigned DeclarationNameKey::getHash() const { | |||
1053 | llvm::FoldingSetNodeID ID; | |||
1054 | ID.AddInteger(Kind); | |||
1055 | ||||
1056 | switch (Kind) { | |||
1057 | case DeclarationName::Identifier: | |||
1058 | case DeclarationName::CXXLiteralOperatorName: | |||
1059 | case DeclarationName::CXXDeductionGuideName: | |||
1060 | ID.AddString(((IdentifierInfo*)Data)->getName()); | |||
1061 | break; | |||
1062 | case DeclarationName::ObjCZeroArgSelector: | |||
1063 | case DeclarationName::ObjCOneArgSelector: | |||
1064 | case DeclarationName::ObjCMultiArgSelector: | |||
1065 | ID.AddInteger(serialization::ComputeHash(Selector(Data))); | |||
1066 | break; | |||
1067 | case DeclarationName::CXXOperatorName: | |||
1068 | ID.AddInteger((OverloadedOperatorKind)Data); | |||
1069 | break; | |||
1070 | case DeclarationName::CXXConstructorName: | |||
1071 | case DeclarationName::CXXDestructorName: | |||
1072 | case DeclarationName::CXXConversionFunctionName: | |||
1073 | case DeclarationName::CXXUsingDirective: | |||
1074 | break; | |||
1075 | } | |||
1076 | ||||
1077 | return ID.ComputeHash(); | |||
1078 | } | |||
1079 | ||||
1080 | ModuleFile * | |||
1081 | ASTDeclContextNameLookupTrait::ReadFileRef(const unsigned char *&d) { | |||
1082 | using namespace llvm::support; | |||
1083 | ||||
1084 | uint32_t ModuleFileID = endian::readNext<uint32_t, little, unaligned>(d); | |||
1085 | return Reader.getLocalModuleFile(F, ModuleFileID); | |||
1086 | } | |||
1087 | ||||
1088 | std::pair<unsigned, unsigned> | |||
1089 | ASTDeclContextNameLookupTrait::ReadKeyDataLength(const unsigned char *&d) { | |||
1090 | using namespace llvm::support; | |||
1091 | ||||
1092 | unsigned KeyLen = endian::readNext<uint16_t, little, unaligned>(d); | |||
1093 | unsigned DataLen = endian::readNext<uint16_t, little, unaligned>(d); | |||
1094 | return std::make_pair(KeyLen, DataLen); | |||
1095 | } | |||
1096 | ||||
1097 | ASTDeclContextNameLookupTrait::internal_key_type | |||
1098 | ASTDeclContextNameLookupTrait::ReadKey(const unsigned char *d, unsigned) { | |||
1099 | using namespace llvm::support; | |||
1100 | ||||
1101 | auto Kind = (DeclarationName::NameKind)*d++; | |||
1102 | uint64_t Data; | |||
1103 | switch (Kind) { | |||
1104 | case DeclarationName::Identifier: | |||
1105 | case DeclarationName::CXXLiteralOperatorName: | |||
1106 | case DeclarationName::CXXDeductionGuideName: | |||
1107 | Data = (uint64_t)Reader.getLocalIdentifier( | |||
1108 | F, endian::readNext<uint32_t, little, unaligned>(d)); | |||
1109 | break; | |||
1110 | case DeclarationName::ObjCZeroArgSelector: | |||
1111 | case DeclarationName::ObjCOneArgSelector: | |||
1112 | case DeclarationName::ObjCMultiArgSelector: | |||
1113 | Data = | |||
1114 | (uint64_t)Reader.getLocalSelector( | |||
1115 | F, endian::readNext<uint32_t, little, unaligned>( | |||
1116 | d)).getAsOpaquePtr(); | |||
1117 | break; | |||
1118 | case DeclarationName::CXXOperatorName: | |||
1119 | Data = *d++; // OverloadedOperatorKind | |||
1120 | break; | |||
1121 | case DeclarationName::CXXConstructorName: | |||
1122 | case DeclarationName::CXXDestructorName: | |||
1123 | case DeclarationName::CXXConversionFunctionName: | |||
1124 | case DeclarationName::CXXUsingDirective: | |||
1125 | Data = 0; | |||
1126 | break; | |||
1127 | } | |||
1128 | ||||
1129 | return DeclarationNameKey(Kind, Data); | |||
1130 | } | |||
1131 | ||||
1132 | void ASTDeclContextNameLookupTrait::ReadDataInto(internal_key_type, | |||
1133 | const unsigned char *d, | |||
1134 | unsigned DataLen, | |||
1135 | data_type_builder &Val) { | |||
1136 | using namespace llvm::support; | |||
1137 | ||||
1138 | for (unsigned NumDecls = DataLen / 4; NumDecls; --NumDecls) { | |||
1139 | uint32_t LocalID = endian::readNext<uint32_t, little, unaligned>(d); | |||
1140 | Val.insert(Reader.getGlobalDeclID(F, LocalID)); | |||
1141 | } | |||
1142 | } | |||
1143 | ||||
1144 | bool ASTReader::ReadLexicalDeclContextStorage(ModuleFile &M, | |||
1145 | BitstreamCursor &Cursor, | |||
1146 | uint64_t Offset, | |||
1147 | DeclContext *DC) { | |||
1148 | assert(Offset != 0)(static_cast <bool> (Offset != 0) ? void (0) : __assert_fail ("Offset != 0", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1148, __extension__ __PRETTY_FUNCTION__)); | |||
1149 | ||||
1150 | SavedStreamPosition SavedPosition(Cursor); | |||
1151 | Cursor.JumpToBit(Offset); | |||
1152 | ||||
1153 | RecordData Record; | |||
1154 | StringRef Blob; | |||
1155 | unsigned Code = Cursor.ReadCode(); | |||
1156 | unsigned RecCode = Cursor.readRecord(Code, Record, &Blob); | |||
1157 | if (RecCode != DECL_CONTEXT_LEXICAL) { | |||
1158 | Error("Expected lexical block"); | |||
1159 | return true; | |||
1160 | } | |||
1161 | ||||
1162 | assert(!isa<TranslationUnitDecl>(DC) &&(static_cast <bool> (!isa<TranslationUnitDecl>(DC ) && "expected a TU_UPDATE_LEXICAL record for TU") ? void (0) : __assert_fail ("!isa<TranslationUnitDecl>(DC) && \"expected a TU_UPDATE_LEXICAL record for TU\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1163, __extension__ __PRETTY_FUNCTION__)) | |||
1163 | "expected a TU_UPDATE_LEXICAL record for TU")(static_cast <bool> (!isa<TranslationUnitDecl>(DC ) && "expected a TU_UPDATE_LEXICAL record for TU") ? void (0) : __assert_fail ("!isa<TranslationUnitDecl>(DC) && \"expected a TU_UPDATE_LEXICAL record for TU\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1163, __extension__ __PRETTY_FUNCTION__)); | |||
1164 | // If we are handling a C++ class template instantiation, we can see multiple | |||
1165 | // lexical updates for the same record. It's important that we select only one | |||
1166 | // of them, so that field numbering works properly. Just pick the first one we | |||
1167 | // see. | |||
1168 | auto &Lex = LexicalDecls[DC]; | |||
1169 | if (!Lex.first) { | |||
1170 | Lex = std::make_pair( | |||
1171 | &M, llvm::makeArrayRef( | |||
1172 | reinterpret_cast<const llvm::support::unaligned_uint32_t *>( | |||
1173 | Blob.data()), | |||
1174 | Blob.size() / 4)); | |||
1175 | } | |||
1176 | DC->setHasExternalLexicalStorage(true); | |||
1177 | return false; | |||
1178 | } | |||
1179 | ||||
1180 | bool ASTReader::ReadVisibleDeclContextStorage(ModuleFile &M, | |||
1181 | BitstreamCursor &Cursor, | |||
1182 | uint64_t Offset, | |||
1183 | DeclID ID) { | |||
1184 | assert(Offset != 0)(static_cast <bool> (Offset != 0) ? void (0) : __assert_fail ("Offset != 0", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1184, __extension__ __PRETTY_FUNCTION__)); | |||
1185 | ||||
1186 | SavedStreamPosition SavedPosition(Cursor); | |||
1187 | Cursor.JumpToBit(Offset); | |||
1188 | ||||
1189 | RecordData Record; | |||
1190 | StringRef Blob; | |||
1191 | unsigned Code = Cursor.ReadCode(); | |||
1192 | unsigned RecCode = Cursor.readRecord(Code, Record, &Blob); | |||
1193 | if (RecCode != DECL_CONTEXT_VISIBLE) { | |||
1194 | Error("Expected visible lookup table block"); | |||
1195 | return true; | |||
1196 | } | |||
1197 | ||||
1198 | // We can't safely determine the primary context yet, so delay attaching the | |||
1199 | // lookup table until we're done with recursive deserialization. | |||
1200 | auto *Data = (const unsigned char*)Blob.data(); | |||
1201 | PendingVisibleUpdates[ID].push_back(PendingVisibleUpdate{&M, Data}); | |||
1202 | return false; | |||
1203 | } | |||
1204 | ||||
1205 | void ASTReader::Error(StringRef Msg) const { | |||
1206 | Error(diag::err_fe_pch_malformed, Msg); | |||
1207 | if (PP.getLangOpts().Modules && !Diags.isDiagnosticInFlight() && | |||
1208 | !PP.getHeaderSearchInfo().getModuleCachePath().empty()) { | |||
1209 | Diag(diag::note_module_cache_path) | |||
1210 | << PP.getHeaderSearchInfo().getModuleCachePath(); | |||
1211 | } | |||
1212 | } | |||
1213 | ||||
1214 | void ASTReader::Error(unsigned DiagID, | |||
1215 | StringRef Arg1, StringRef Arg2) const { | |||
1216 | if (Diags.isDiagnosticInFlight()) | |||
1217 | Diags.SetDelayedDiagnostic(DiagID, Arg1, Arg2); | |||
1218 | else | |||
1219 | Diag(DiagID) << Arg1 << Arg2; | |||
1220 | } | |||
1221 | ||||
1222 | //===----------------------------------------------------------------------===// | |||
1223 | // Source Manager Deserialization | |||
1224 | //===----------------------------------------------------------------------===// | |||
1225 | ||||
1226 | /// Read the line table in the source manager block. | |||
1227 | /// \returns true if there was an error. | |||
1228 | bool ASTReader::ParseLineTable(ModuleFile &F, | |||
1229 | const RecordData &Record) { | |||
1230 | unsigned Idx = 0; | |||
1231 | LineTableInfo &LineTable = SourceMgr.getLineTable(); | |||
1232 | ||||
1233 | // Parse the file names | |||
1234 | std::map<int, int> FileIDs; | |||
1235 | FileIDs[-1] = -1; // For unspecified filenames. | |||
1236 | for (unsigned I = 0; Record[Idx]; ++I) { | |||
1237 | // Extract the file name | |||
1238 | auto Filename = ReadPath(F, Record, Idx); | |||
1239 | FileIDs[I] = LineTable.getLineTableFilenameID(Filename); | |||
1240 | } | |||
1241 | ++Idx; | |||
1242 | ||||
1243 | // Parse the line entries | |||
1244 | std::vector<LineEntry> Entries; | |||
1245 | while (Idx < Record.size()) { | |||
1246 | int FID = Record[Idx++]; | |||
1247 | assert(FID >= 0 && "Serialized line entries for non-local file.")(static_cast <bool> (FID >= 0 && "Serialized line entries for non-local file." ) ? void (0) : __assert_fail ("FID >= 0 && \"Serialized line entries for non-local file.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1247, __extension__ __PRETTY_FUNCTION__)); | |||
1248 | // Remap FileID from 1-based old view. | |||
1249 | FID += F.SLocEntryBaseID - 1; | |||
1250 | ||||
1251 | // Extract the line entries | |||
1252 | unsigned NumEntries = Record[Idx++]; | |||
1253 | assert(NumEntries && "no line entries for file ID")(static_cast <bool> (NumEntries && "no line entries for file ID" ) ? void (0) : __assert_fail ("NumEntries && \"no line entries for file ID\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1253, __extension__ __PRETTY_FUNCTION__)); | |||
1254 | Entries.clear(); | |||
1255 | Entries.reserve(NumEntries); | |||
1256 | for (unsigned I = 0; I != NumEntries; ++I) { | |||
1257 | unsigned FileOffset = Record[Idx++]; | |||
1258 | unsigned LineNo = Record[Idx++]; | |||
1259 | int FilenameID = FileIDs[Record[Idx++]]; | |||
1260 | SrcMgr::CharacteristicKind FileKind | |||
1261 | = (SrcMgr::CharacteristicKind)Record[Idx++]; | |||
1262 | unsigned IncludeOffset = Record[Idx++]; | |||
1263 | Entries.push_back(LineEntry::get(FileOffset, LineNo, FilenameID, | |||
1264 | FileKind, IncludeOffset)); | |||
1265 | } | |||
1266 | LineTable.AddEntry(FileID::get(FID), Entries); | |||
1267 | } | |||
1268 | ||||
1269 | return false; | |||
1270 | } | |||
1271 | ||||
1272 | /// Read a source manager block | |||
1273 | bool ASTReader::ReadSourceManagerBlock(ModuleFile &F) { | |||
1274 | using namespace SrcMgr; | |||
1275 | ||||
1276 | BitstreamCursor &SLocEntryCursor = F.SLocEntryCursor; | |||
1277 | ||||
1278 | // Set the source-location entry cursor to the current position in | |||
1279 | // the stream. This cursor will be used to read the contents of the | |||
1280 | // source manager block initially, and then lazily read | |||
1281 | // source-location entries as needed. | |||
1282 | SLocEntryCursor = F.Stream; | |||
1283 | ||||
1284 | // The stream itself is going to skip over the source manager block. | |||
1285 | if (F.Stream.SkipBlock()) { | |||
1286 | Error("malformed block record in AST file"); | |||
1287 | return true; | |||
1288 | } | |||
1289 | ||||
1290 | // Enter the source manager block. | |||
1291 | if (SLocEntryCursor.EnterSubBlock(SOURCE_MANAGER_BLOCK_ID)) { | |||
1292 | Error("malformed source manager block record in AST file"); | |||
1293 | return true; | |||
1294 | } | |||
1295 | ||||
1296 | RecordData Record; | |||
1297 | while (true) { | |||
1298 | llvm::BitstreamEntry E = SLocEntryCursor.advanceSkippingSubblocks(); | |||
1299 | ||||
1300 | switch (E.Kind) { | |||
1301 | case llvm::BitstreamEntry::SubBlock: // Handled for us already. | |||
1302 | case llvm::BitstreamEntry::Error: | |||
1303 | Error("malformed block record in AST file"); | |||
1304 | return true; | |||
1305 | case llvm::BitstreamEntry::EndBlock: | |||
1306 | return false; | |||
1307 | case llvm::BitstreamEntry::Record: | |||
1308 | // The interesting case. | |||
1309 | break; | |||
1310 | } | |||
1311 | ||||
1312 | // Read a record. | |||
1313 | Record.clear(); | |||
1314 | StringRef Blob; | |||
1315 | switch (SLocEntryCursor.readRecord(E.ID, Record, &Blob)) { | |||
1316 | default: // Default behavior: ignore. | |||
1317 | break; | |||
1318 | ||||
1319 | case SM_SLOC_FILE_ENTRY: | |||
1320 | case SM_SLOC_BUFFER_ENTRY: | |||
1321 | case SM_SLOC_EXPANSION_ENTRY: | |||
1322 | // Once we hit one of the source location entries, we're done. | |||
1323 | return false; | |||
1324 | } | |||
1325 | } | |||
1326 | } | |||
1327 | ||||
1328 | /// If a header file is not found at the path that we expect it to be | |||
1329 | /// and the PCH file was moved from its original location, try to resolve the | |||
1330 | /// file by assuming that header+PCH were moved together and the header is in | |||
1331 | /// the same place relative to the PCH. | |||
1332 | static std::string | |||
1333 | resolveFileRelativeToOriginalDir(const std::string &Filename, | |||
1334 | const std::string &OriginalDir, | |||
1335 | const std::string &CurrDir) { | |||
1336 | assert(OriginalDir != CurrDir &&(static_cast <bool> (OriginalDir != CurrDir && "No point trying to resolve the file if the PCH dir didn't change" ) ? void (0) : __assert_fail ("OriginalDir != CurrDir && \"No point trying to resolve the file if the PCH dir didn't change\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1337, __extension__ __PRETTY_FUNCTION__)) | |||
1337 | "No point trying to resolve the file if the PCH dir didn't change")(static_cast <bool> (OriginalDir != CurrDir && "No point trying to resolve the file if the PCH dir didn't change" ) ? void (0) : __assert_fail ("OriginalDir != CurrDir && \"No point trying to resolve the file if the PCH dir didn't change\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1337, __extension__ __PRETTY_FUNCTION__)); | |||
1338 | ||||
1339 | using namespace llvm::sys; | |||
1340 | ||||
1341 | SmallString<128> filePath(Filename); | |||
1342 | fs::make_absolute(filePath); | |||
1343 | assert(path::is_absolute(OriginalDir))(static_cast <bool> (path::is_absolute(OriginalDir)) ? void (0) : __assert_fail ("path::is_absolute(OriginalDir)", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1343, __extension__ __PRETTY_FUNCTION__)); | |||
1344 | SmallString<128> currPCHPath(CurrDir); | |||
1345 | ||||
1346 | path::const_iterator fileDirI = path::begin(path::parent_path(filePath)), | |||
1347 | fileDirE = path::end(path::parent_path(filePath)); | |||
1348 | path::const_iterator origDirI = path::begin(OriginalDir), | |||
1349 | origDirE = path::end(OriginalDir); | |||
1350 | // Skip the common path components from filePath and OriginalDir. | |||
1351 | while (fileDirI != fileDirE && origDirI != origDirE && | |||
1352 | *fileDirI == *origDirI) { | |||
1353 | ++fileDirI; | |||
1354 | ++origDirI; | |||
1355 | } | |||
1356 | for (; origDirI != origDirE; ++origDirI) | |||
1357 | path::append(currPCHPath, ".."); | |||
1358 | path::append(currPCHPath, fileDirI, fileDirE); | |||
1359 | path::append(currPCHPath, path::filename(Filename)); | |||
1360 | return currPCHPath.str(); | |||
1361 | } | |||
1362 | ||||
1363 | bool ASTReader::ReadSLocEntry(int ID) { | |||
1364 | if (ID == 0) | |||
1365 | return false; | |||
1366 | ||||
1367 | if (unsigned(-ID) - 2 >= getTotalNumSLocs() || ID > 0) { | |||
1368 | Error("source location entry ID out-of-range for AST file"); | |||
1369 | return true; | |||
1370 | } | |||
1371 | ||||
1372 | // Local helper to read the (possibly-compressed) buffer data following the | |||
1373 | // entry record. | |||
1374 | auto ReadBuffer = [this]( | |||
1375 | BitstreamCursor &SLocEntryCursor, | |||
1376 | StringRef Name) -> std::unique_ptr<llvm::MemoryBuffer> { | |||
1377 | RecordData Record; | |||
1378 | StringRef Blob; | |||
1379 | unsigned Code = SLocEntryCursor.ReadCode(); | |||
1380 | unsigned RecCode = SLocEntryCursor.readRecord(Code, Record, &Blob); | |||
1381 | ||||
1382 | if (RecCode == SM_SLOC_BUFFER_BLOB_COMPRESSED) { | |||
1383 | if (!llvm::zlib::isAvailable()) { | |||
1384 | Error("zlib is not available"); | |||
1385 | return nullptr; | |||
1386 | } | |||
1387 | SmallString<0> Uncompressed; | |||
1388 | if (llvm::Error E = | |||
1389 | llvm::zlib::uncompress(Blob, Uncompressed, Record[0])) { | |||
1390 | Error("could not decompress embedded file contents: " + | |||
1391 | llvm::toString(std::move(E))); | |||
1392 | return nullptr; | |||
1393 | } | |||
1394 | return llvm::MemoryBuffer::getMemBufferCopy(Uncompressed, Name); | |||
1395 | } else if (RecCode == SM_SLOC_BUFFER_BLOB) { | |||
1396 | return llvm::MemoryBuffer::getMemBuffer(Blob.drop_back(1), Name, true); | |||
1397 | } else { | |||
1398 | Error("AST record has invalid code"); | |||
1399 | return nullptr; | |||
1400 | } | |||
1401 | }; | |||
1402 | ||||
1403 | ModuleFile *F = GlobalSLocEntryMap.find(-ID)->second; | |||
1404 | F->SLocEntryCursor.JumpToBit(F->SLocEntryOffsets[ID - F->SLocEntryBaseID]); | |||
1405 | BitstreamCursor &SLocEntryCursor = F->SLocEntryCursor; | |||
1406 | unsigned BaseOffset = F->SLocEntryBaseOffset; | |||
1407 | ||||
1408 | ++NumSLocEntriesRead; | |||
1409 | llvm::BitstreamEntry Entry = SLocEntryCursor.advance(); | |||
1410 | if (Entry.Kind != llvm::BitstreamEntry::Record) { | |||
1411 | Error("incorrectly-formatted source location entry in AST file"); | |||
1412 | return true; | |||
1413 | } | |||
1414 | ||||
1415 | RecordData Record; | |||
1416 | StringRef Blob; | |||
1417 | switch (SLocEntryCursor.readRecord(Entry.ID, Record, &Blob)) { | |||
1418 | default: | |||
1419 | Error("incorrectly-formatted source location entry in AST file"); | |||
1420 | return true; | |||
1421 | ||||
1422 | case SM_SLOC_FILE_ENTRY: { | |||
1423 | // We will detect whether a file changed and return 'Failure' for it, but | |||
1424 | // we will also try to fail gracefully by setting up the SLocEntry. | |||
1425 | unsigned InputID = Record[4]; | |||
1426 | InputFile IF = getInputFile(*F, InputID); | |||
1427 | const FileEntry *File = IF.getFile(); | |||
1428 | bool OverriddenBuffer = IF.isOverridden(); | |||
1429 | ||||
1430 | // Note that we only check if a File was returned. If it was out-of-date | |||
1431 | // we have complained but we will continue creating a FileID to recover | |||
1432 | // gracefully. | |||
1433 | if (!File) | |||
1434 | return true; | |||
1435 | ||||
1436 | SourceLocation IncludeLoc = ReadSourceLocation(*F, Record[1]); | |||
1437 | if (IncludeLoc.isInvalid() && F->Kind != MK_MainFile) { | |||
1438 | // This is the module's main file. | |||
1439 | IncludeLoc = getImportLocation(F); | |||
1440 | } | |||
1441 | SrcMgr::CharacteristicKind | |||
1442 | FileCharacter = (SrcMgr::CharacteristicKind)Record[2]; | |||
1443 | FileID FID = SourceMgr.createFileID(File, IncludeLoc, FileCharacter, | |||
1444 | ID, BaseOffset + Record[0]); | |||
1445 | SrcMgr::FileInfo &FileInfo = | |||
1446 | const_cast<SrcMgr::FileInfo&>(SourceMgr.getSLocEntry(FID).getFile()); | |||
1447 | FileInfo.NumCreatedFIDs = Record[5]; | |||
1448 | if (Record[3]) | |||
1449 | FileInfo.setHasLineDirectives(); | |||
1450 | ||||
1451 | const DeclID *FirstDecl = F->FileSortedDecls + Record[6]; | |||
1452 | unsigned NumFileDecls = Record[7]; | |||
1453 | if (NumFileDecls && ContextObj) { | |||
1454 | assert(F->FileSortedDecls && "FILE_SORTED_DECLS not encountered yet ?")(static_cast <bool> (F->FileSortedDecls && "FILE_SORTED_DECLS not encountered yet ?" ) ? void (0) : __assert_fail ("F->FileSortedDecls && \"FILE_SORTED_DECLS not encountered yet ?\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1454, __extension__ __PRETTY_FUNCTION__)); | |||
1455 | FileDeclIDs[FID] = FileDeclsInfo(F, llvm::makeArrayRef(FirstDecl, | |||
1456 | NumFileDecls)); | |||
1457 | } | |||
1458 | ||||
1459 | const SrcMgr::ContentCache *ContentCache | |||
1460 | = SourceMgr.getOrCreateContentCache(File, isSystem(FileCharacter)); | |||
1461 | if (OverriddenBuffer && !ContentCache->BufferOverridden && | |||
1462 | ContentCache->ContentsEntry == ContentCache->OrigEntry && | |||
1463 | !ContentCache->getRawBuffer()) { | |||
1464 | auto Buffer = ReadBuffer(SLocEntryCursor, File->getName()); | |||
1465 | if (!Buffer) | |||
1466 | return true; | |||
1467 | SourceMgr.overrideFileContents(File, std::move(Buffer)); | |||
1468 | } | |||
1469 | ||||
1470 | break; | |||
1471 | } | |||
1472 | ||||
1473 | case SM_SLOC_BUFFER_ENTRY: { | |||
1474 | const char *Name = Blob.data(); | |||
1475 | unsigned Offset = Record[0]; | |||
1476 | SrcMgr::CharacteristicKind | |||
1477 | FileCharacter = (SrcMgr::CharacteristicKind)Record[2]; | |||
1478 | SourceLocation IncludeLoc = ReadSourceLocation(*F, Record[1]); | |||
1479 | if (IncludeLoc.isInvalid() && F->isModule()) { | |||
1480 | IncludeLoc = getImportLocation(F); | |||
1481 | } | |||
1482 | ||||
1483 | auto Buffer = ReadBuffer(SLocEntryCursor, Name); | |||
1484 | if (!Buffer) | |||
1485 | return true; | |||
1486 | SourceMgr.createFileID(std::move(Buffer), FileCharacter, ID, | |||
1487 | BaseOffset + Offset, IncludeLoc); | |||
1488 | break; | |||
1489 | } | |||
1490 | ||||
1491 | case SM_SLOC_EXPANSION_ENTRY: { | |||
1492 | SourceLocation SpellingLoc = ReadSourceLocation(*F, Record[1]); | |||
1493 | SourceMgr.createExpansionLoc(SpellingLoc, | |||
1494 | ReadSourceLocation(*F, Record[2]), | |||
1495 | ReadSourceLocation(*F, Record[3]), | |||
1496 | Record[5], | |||
1497 | Record[4], | |||
1498 | ID, | |||
1499 | BaseOffset + Record[0]); | |||
1500 | break; | |||
1501 | } | |||
1502 | } | |||
1503 | ||||
1504 | return false; | |||
1505 | } | |||
1506 | ||||
1507 | std::pair<SourceLocation, StringRef> ASTReader::getModuleImportLoc(int ID) { | |||
1508 | if (ID == 0) | |||
1509 | return std::make_pair(SourceLocation(), ""); | |||
1510 | ||||
1511 | if (unsigned(-ID) - 2 >= getTotalNumSLocs() || ID > 0) { | |||
1512 | Error("source location entry ID out-of-range for AST file"); | |||
1513 | return std::make_pair(SourceLocation(), ""); | |||
1514 | } | |||
1515 | ||||
1516 | // Find which module file this entry lands in. | |||
1517 | ModuleFile *M = GlobalSLocEntryMap.find(-ID)->second; | |||
1518 | if (!M->isModule()) | |||
1519 | return std::make_pair(SourceLocation(), ""); | |||
1520 | ||||
1521 | // FIXME: Can we map this down to a particular submodule? That would be | |||
1522 | // ideal. | |||
1523 | return std::make_pair(M->ImportLoc, StringRef(M->ModuleName)); | |||
1524 | } | |||
1525 | ||||
1526 | /// Find the location where the module F is imported. | |||
1527 | SourceLocation ASTReader::getImportLocation(ModuleFile *F) { | |||
1528 | if (F->ImportLoc.isValid()) | |||
1529 | return F->ImportLoc; | |||
1530 | ||||
1531 | // Otherwise we have a PCH. It's considered to be "imported" at the first | |||
1532 | // location of its includer. | |||
1533 | if (F->ImportedBy.empty() || !F->ImportedBy[0]) { | |||
1534 | // Main file is the importer. | |||
1535 | assert(SourceMgr.getMainFileID().isValid() && "missing main file")(static_cast <bool> (SourceMgr.getMainFileID().isValid( ) && "missing main file") ? void (0) : __assert_fail ( "SourceMgr.getMainFileID().isValid() && \"missing main file\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1535, __extension__ __PRETTY_FUNCTION__)); | |||
1536 | return SourceMgr.getLocForStartOfFile(SourceMgr.getMainFileID()); | |||
1537 | } | |||
1538 | return F->ImportedBy[0]->FirstLoc; | |||
1539 | } | |||
1540 | ||||
1541 | /// ReadBlockAbbrevs - Enter a subblock of the specified BlockID with the | |||
1542 | /// specified cursor. Read the abbreviations that are at the top of the block | |||
1543 | /// and then leave the cursor pointing into the block. | |||
1544 | bool ASTReader::ReadBlockAbbrevs(BitstreamCursor &Cursor, unsigned BlockID) { | |||
1545 | if (Cursor.EnterSubBlock(BlockID)) | |||
1546 | return true; | |||
1547 | ||||
1548 | while (true) { | |||
1549 | uint64_t Offset = Cursor.GetCurrentBitNo(); | |||
1550 | unsigned Code = Cursor.ReadCode(); | |||
1551 | ||||
1552 | // We expect all abbrevs to be at the start of the block. | |||
1553 | if (Code != llvm::bitc::DEFINE_ABBREV) { | |||
1554 | Cursor.JumpToBit(Offset); | |||
1555 | return false; | |||
1556 | } | |||
1557 | Cursor.ReadAbbrevRecord(); | |||
1558 | } | |||
1559 | } | |||
1560 | ||||
1561 | Token ASTReader::ReadToken(ModuleFile &F, const RecordDataImpl &Record, | |||
1562 | unsigned &Idx) { | |||
1563 | Token Tok; | |||
1564 | Tok.startToken(); | |||
1565 | Tok.setLocation(ReadSourceLocation(F, Record, Idx)); | |||
1566 | Tok.setLength(Record[Idx++]); | |||
1567 | if (IdentifierInfo *II = getLocalIdentifier(F, Record[Idx++])) | |||
1568 | Tok.setIdentifierInfo(II); | |||
1569 | Tok.setKind((tok::TokenKind)Record[Idx++]); | |||
1570 | Tok.setFlag((Token::TokenFlags)Record[Idx++]); | |||
1571 | return Tok; | |||
1572 | } | |||
1573 | ||||
1574 | MacroInfo *ASTReader::ReadMacroRecord(ModuleFile &F, uint64_t Offset) { | |||
1575 | BitstreamCursor &Stream = F.MacroCursor; | |||
1576 | ||||
1577 | // Keep track of where we are in the stream, then jump back there | |||
1578 | // after reading this macro. | |||
1579 | SavedStreamPosition SavedPosition(Stream); | |||
1580 | ||||
1581 | Stream.JumpToBit(Offset); | |||
1582 | RecordData Record; | |||
1583 | SmallVector<IdentifierInfo*, 16> MacroParams; | |||
1584 | MacroInfo *Macro = nullptr; | |||
1585 | ||||
1586 | while (true) { | |||
1587 | // Advance to the next record, but if we get to the end of the block, don't | |||
1588 | // pop it (removing all the abbreviations from the cursor) since we want to | |||
1589 | // be able to reseek within the block and read entries. | |||
1590 | unsigned Flags = BitstreamCursor::AF_DontPopBlockAtEnd; | |||
1591 | llvm::BitstreamEntry Entry = Stream.advanceSkippingSubblocks(Flags); | |||
1592 | ||||
1593 | switch (Entry.Kind) { | |||
1594 | case llvm::BitstreamEntry::SubBlock: // Handled for us already. | |||
1595 | case llvm::BitstreamEntry::Error: | |||
1596 | Error("malformed block record in AST file"); | |||
1597 | return Macro; | |||
1598 | case llvm::BitstreamEntry::EndBlock: | |||
1599 | return Macro; | |||
1600 | case llvm::BitstreamEntry::Record: | |||
1601 | // The interesting case. | |||
1602 | break; | |||
1603 | } | |||
1604 | ||||
1605 | // Read a record. | |||
1606 | Record.clear(); | |||
1607 | PreprocessorRecordTypes RecType = | |||
1608 | (PreprocessorRecordTypes)Stream.readRecord(Entry.ID, Record); | |||
1609 | switch (RecType) { | |||
1610 | case PP_MODULE_MACRO: | |||
1611 | case PP_MACRO_DIRECTIVE_HISTORY: | |||
1612 | return Macro; | |||
1613 | ||||
1614 | case PP_MACRO_OBJECT_LIKE: | |||
1615 | case PP_MACRO_FUNCTION_LIKE: { | |||
1616 | // If we already have a macro, that means that we've hit the end | |||
1617 | // of the definition of the macro we were looking for. We're | |||
1618 | // done. | |||
1619 | if (Macro) | |||
1620 | return Macro; | |||
1621 | ||||
1622 | unsigned NextIndex = 1; // Skip identifier ID. | |||
1623 | SourceLocation Loc = ReadSourceLocation(F, Record, NextIndex); | |||
1624 | MacroInfo *MI = PP.AllocateMacroInfo(Loc); | |||
1625 | MI->setDefinitionEndLoc(ReadSourceLocation(F, Record, NextIndex)); | |||
1626 | MI->setIsUsed(Record[NextIndex++]); | |||
1627 | MI->setUsedForHeaderGuard(Record[NextIndex++]); | |||
1628 | ||||
1629 | if (RecType == PP_MACRO_FUNCTION_LIKE) { | |||
1630 | // Decode function-like macro info. | |||
1631 | bool isC99VarArgs = Record[NextIndex++]; | |||
1632 | bool isGNUVarArgs = Record[NextIndex++]; | |||
1633 | bool hasCommaPasting = Record[NextIndex++]; | |||
1634 | MacroParams.clear(); | |||
1635 | unsigned NumArgs = Record[NextIndex++]; | |||
1636 | for (unsigned i = 0; i != NumArgs; ++i) | |||
1637 | MacroParams.push_back(getLocalIdentifier(F, Record[NextIndex++])); | |||
1638 | ||||
1639 | // Install function-like macro info. | |||
1640 | MI->setIsFunctionLike(); | |||
1641 | if (isC99VarArgs) MI->setIsC99Varargs(); | |||
1642 | if (isGNUVarArgs) MI->setIsGNUVarargs(); | |||
1643 | if (hasCommaPasting) MI->setHasCommaPasting(); | |||
1644 | MI->setParameterList(MacroParams, PP.getPreprocessorAllocator()); | |||
1645 | } | |||
1646 | ||||
1647 | // Remember that we saw this macro last so that we add the tokens that | |||
1648 | // form its body to it. | |||
1649 | Macro = MI; | |||
1650 | ||||
1651 | if (NextIndex + 1 == Record.size() && PP.getPreprocessingRecord() && | |||
1652 | Record[NextIndex]) { | |||
1653 | // We have a macro definition. Register the association | |||
1654 | PreprocessedEntityID | |||
1655 | GlobalID = getGlobalPreprocessedEntityID(F, Record[NextIndex]); | |||
1656 | PreprocessingRecord &PPRec = *PP.getPreprocessingRecord(); | |||
1657 | PreprocessingRecord::PPEntityID PPID = | |||
1658 | PPRec.getPPEntityID(GlobalID - 1, /*isLoaded=*/true); | |||
1659 | MacroDefinitionRecord *PPDef = cast_or_null<MacroDefinitionRecord>( | |||
1660 | PPRec.getPreprocessedEntity(PPID)); | |||
1661 | if (PPDef) | |||
1662 | PPRec.RegisterMacroDefinition(Macro, PPDef); | |||
1663 | } | |||
1664 | ||||
1665 | ++NumMacrosRead; | |||
1666 | break; | |||
1667 | } | |||
1668 | ||||
1669 | case PP_TOKEN: { | |||
1670 | // If we see a TOKEN before a PP_MACRO_*, then the file is | |||
1671 | // erroneous, just pretend we didn't see this. | |||
1672 | if (!Macro) break; | |||
1673 | ||||
1674 | unsigned Idx = 0; | |||
1675 | Token Tok = ReadToken(F, Record, Idx); | |||
1676 | Macro->AddTokenToBody(Tok); | |||
1677 | break; | |||
1678 | } | |||
1679 | } | |||
1680 | } | |||
1681 | } | |||
1682 | ||||
1683 | PreprocessedEntityID | |||
1684 | ASTReader::getGlobalPreprocessedEntityID(ModuleFile &M, | |||
1685 | unsigned LocalID) const { | |||
1686 | if (!M.ModuleOffsetMap.empty()) | |||
1687 | ReadModuleOffsetMap(M); | |||
1688 | ||||
1689 | ContinuousRangeMap<uint32_t, int, 2>::const_iterator | |||
1690 | I = M.PreprocessedEntityRemap.find(LocalID - NUM_PREDEF_PP_ENTITY_IDS); | |||
1691 | assert(I != M.PreprocessedEntityRemap.end()(static_cast <bool> (I != M.PreprocessedEntityRemap.end () && "Invalid index into preprocessed entity index remap" ) ? void (0) : __assert_fail ("I != M.PreprocessedEntityRemap.end() && \"Invalid index into preprocessed entity index remap\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1692, __extension__ __PRETTY_FUNCTION__)) | |||
1692 | && "Invalid index into preprocessed entity index remap")(static_cast <bool> (I != M.PreprocessedEntityRemap.end () && "Invalid index into preprocessed entity index remap" ) ? void (0) : __assert_fail ("I != M.PreprocessedEntityRemap.end() && \"Invalid index into preprocessed entity index remap\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1692, __extension__ __PRETTY_FUNCTION__)); | |||
1693 | ||||
1694 | return LocalID + I->second; | |||
1695 | } | |||
1696 | ||||
1697 | unsigned HeaderFileInfoTrait::ComputeHash(internal_key_ref ikey) { | |||
1698 | return llvm::hash_combine(ikey.Size, ikey.ModTime); | |||
1699 | } | |||
1700 | ||||
1701 | HeaderFileInfoTrait::internal_key_type | |||
1702 | HeaderFileInfoTrait::GetInternalKey(const FileEntry *FE) { | |||
1703 | internal_key_type ikey = {FE->getSize(), | |||
1704 | M.HasTimestamps ? FE->getModificationTime() : 0, | |||
1705 | FE->getName(), /*Imported*/ false}; | |||
1706 | return ikey; | |||
1707 | } | |||
1708 | ||||
1709 | bool HeaderFileInfoTrait::EqualKey(internal_key_ref a, internal_key_ref b) { | |||
1710 | if (a.Size != b.Size || (a.ModTime && b.ModTime && a.ModTime != b.ModTime)) | |||
1711 | return false; | |||
1712 | ||||
1713 | if (llvm::sys::path::is_absolute(a.Filename) && a.Filename == b.Filename) | |||
1714 | return true; | |||
1715 | ||||
1716 | // Determine whether the actual files are equivalent. | |||
1717 | FileManager &FileMgr = Reader.getFileManager(); | |||
1718 | auto GetFile = [&](const internal_key_type &Key) -> const FileEntry* { | |||
1719 | if (!Key.Imported) | |||
1720 | return FileMgr.getFile(Key.Filename); | |||
1721 | ||||
1722 | std::string Resolved = Key.Filename; | |||
1723 | Reader.ResolveImportedPath(M, Resolved); | |||
1724 | return FileMgr.getFile(Resolved); | |||
1725 | }; | |||
1726 | ||||
1727 | const FileEntry *FEA = GetFile(a); | |||
1728 | const FileEntry *FEB = GetFile(b); | |||
1729 | return FEA && FEA == FEB; | |||
1730 | } | |||
1731 | ||||
1732 | std::pair<unsigned, unsigned> | |||
1733 | HeaderFileInfoTrait::ReadKeyDataLength(const unsigned char*& d) { | |||
1734 | using namespace llvm::support; | |||
1735 | ||||
1736 | unsigned KeyLen = (unsigned) endian::readNext<uint16_t, little, unaligned>(d); | |||
1737 | unsigned DataLen = (unsigned) *d++; | |||
1738 | return std::make_pair(KeyLen, DataLen); | |||
1739 | } | |||
1740 | ||||
1741 | HeaderFileInfoTrait::internal_key_type | |||
1742 | HeaderFileInfoTrait::ReadKey(const unsigned char *d, unsigned) { | |||
1743 | using namespace llvm::support; | |||
1744 | ||||
1745 | internal_key_type ikey; | |||
1746 | ikey.Size = off_t(endian::readNext<uint64_t, little, unaligned>(d)); | |||
1747 | ikey.ModTime = time_t(endian::readNext<uint64_t, little, unaligned>(d)); | |||
1748 | ikey.Filename = (const char *)d; | |||
1749 | ikey.Imported = true; | |||
1750 | return ikey; | |||
1751 | } | |||
1752 | ||||
1753 | HeaderFileInfoTrait::data_type | |||
1754 | HeaderFileInfoTrait::ReadData(internal_key_ref key, const unsigned char *d, | |||
1755 | unsigned DataLen) { | |||
1756 | using namespace llvm::support; | |||
1757 | ||||
1758 | const unsigned char *End = d + DataLen; | |||
1759 | HeaderFileInfo HFI; | |||
1760 | unsigned Flags = *d++; | |||
1761 | // FIXME: Refactor with mergeHeaderFileInfo in HeaderSearch.cpp. | |||
1762 | HFI.isImport |= (Flags >> 5) & 0x01; | |||
1763 | HFI.isPragmaOnce |= (Flags >> 4) & 0x01; | |||
1764 | HFI.DirInfo = (Flags >> 1) & 0x07; | |||
1765 | HFI.IndexHeaderMapHeader = Flags & 0x01; | |||
1766 | // FIXME: Find a better way to handle this. Maybe just store a | |||
1767 | // "has been included" flag? | |||
1768 | HFI.NumIncludes = std::max(endian::readNext<uint16_t, little, unaligned>(d), | |||
1769 | HFI.NumIncludes); | |||
1770 | HFI.ControllingMacroID = Reader.getGlobalIdentifierID( | |||
1771 | M, endian::readNext<uint32_t, little, unaligned>(d)); | |||
1772 | if (unsigned FrameworkOffset = | |||
1773 | endian::readNext<uint32_t, little, unaligned>(d)) { | |||
1774 | // The framework offset is 1 greater than the actual offset, | |||
1775 | // since 0 is used as an indicator for "no framework name". | |||
1776 | StringRef FrameworkName(FrameworkStrings + FrameworkOffset - 1); | |||
1777 | HFI.Framework = HS->getUniqueFrameworkName(FrameworkName); | |||
1778 | } | |||
1779 | ||||
1780 | assert((End - d) % 4 == 0 &&(static_cast <bool> ((End - d) % 4 == 0 && "Wrong data length in HeaderFileInfo deserialization" ) ? void (0) : __assert_fail ("(End - d) % 4 == 0 && \"Wrong data length in HeaderFileInfo deserialization\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1781, __extension__ __PRETTY_FUNCTION__)) | |||
1781 | "Wrong data length in HeaderFileInfo deserialization")(static_cast <bool> ((End - d) % 4 == 0 && "Wrong data length in HeaderFileInfo deserialization" ) ? void (0) : __assert_fail ("(End - d) % 4 == 0 && \"Wrong data length in HeaderFileInfo deserialization\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1781, __extension__ __PRETTY_FUNCTION__)); | |||
1782 | while (d != End) { | |||
1783 | uint32_t LocalSMID = endian::readNext<uint32_t, little, unaligned>(d); | |||
1784 | auto HeaderRole = static_cast<ModuleMap::ModuleHeaderRole>(LocalSMID & 3); | |||
1785 | LocalSMID >>= 2; | |||
1786 | ||||
1787 | // This header is part of a module. Associate it with the module to enable | |||
1788 | // implicit module import. | |||
1789 | SubmoduleID GlobalSMID = Reader.getGlobalSubmoduleID(M, LocalSMID); | |||
1790 | Module *Mod = Reader.getSubmodule(GlobalSMID); | |||
1791 | FileManager &FileMgr = Reader.getFileManager(); | |||
1792 | ModuleMap &ModMap = | |||
1793 | Reader.getPreprocessor().getHeaderSearchInfo().getModuleMap(); | |||
1794 | ||||
1795 | std::string Filename = key.Filename; | |||
1796 | if (key.Imported) | |||
1797 | Reader.ResolveImportedPath(M, Filename); | |||
1798 | // FIXME: This is not always the right filename-as-written, but we're not | |||
1799 | // going to use this information to rebuild the module, so it doesn't make | |||
1800 | // a lot of difference. | |||
1801 | Module::Header H = { key.Filename, FileMgr.getFile(Filename) }; | |||
1802 | ModMap.addHeader(Mod, H, HeaderRole, /*Imported*/true); | |||
1803 | HFI.isModuleHeader |= !(HeaderRole & ModuleMap::TextualHeader); | |||
1804 | } | |||
1805 | ||||
1806 | // This HeaderFileInfo was externally loaded. | |||
1807 | HFI.External = true; | |||
1808 | HFI.IsValid = true; | |||
1809 | return HFI; | |||
1810 | } | |||
1811 | ||||
1812 | void ASTReader::addPendingMacro(IdentifierInfo *II, | |||
1813 | ModuleFile *M, | |||
1814 | uint64_t MacroDirectivesOffset) { | |||
1815 | assert(NumCurrentElementsDeserializing > 0 &&"Missing deserialization guard")(static_cast <bool> (NumCurrentElementsDeserializing > 0 &&"Missing deserialization guard") ? void (0) : __assert_fail ("NumCurrentElementsDeserializing > 0 &&\"Missing deserialization guard\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 1815, __extension__ __PRETTY_FUNCTION__)); | |||
1816 | PendingMacroIDs[II].push_back(PendingMacroInfo(M, MacroDirectivesOffset)); | |||
1817 | } | |||
1818 | ||||
1819 | void ASTReader::ReadDefinedMacros() { | |||
1820 | // Note that we are loading defined macros. | |||
1821 | Deserializing Macros(this); | |||
1822 | ||||
1823 | for (ModuleFile &I : llvm::reverse(ModuleMgr)) { | |||
1824 | BitstreamCursor &MacroCursor = I.MacroCursor; | |||
1825 | ||||
1826 | // If there was no preprocessor block, skip this file. | |||
1827 | if (MacroCursor.getBitcodeBytes().empty()) | |||
1828 | continue; | |||
1829 | ||||
1830 | BitstreamCursor Cursor = MacroCursor; | |||
1831 | Cursor.JumpToBit(I.MacroStartOffset); | |||
1832 | ||||
1833 | RecordData Record; | |||
1834 | while (true) { | |||
1835 | llvm::BitstreamEntry E = Cursor.advanceSkippingSubblocks(); | |||
1836 | ||||
1837 | switch (E.Kind) { | |||
1838 | case llvm::BitstreamEntry::SubBlock: // Handled for us already. | |||
1839 | case llvm::BitstreamEntry::Error: | |||
1840 | Error("malformed block record in AST file"); | |||
1841 | return; | |||
1842 | case llvm::BitstreamEntry::EndBlock: | |||
1843 | goto NextCursor; | |||
1844 | ||||
1845 | case llvm::BitstreamEntry::Record: | |||
1846 | Record.clear(); | |||
1847 | switch (Cursor.readRecord(E.ID, Record)) { | |||
1848 | default: // Default behavior: ignore. | |||
1849 | break; | |||
1850 | ||||
1851 | case PP_MACRO_OBJECT_LIKE: | |||
1852 | case PP_MACRO_FUNCTION_LIKE: { | |||
1853 | IdentifierInfo *II = getLocalIdentifier(I, Record[0]); | |||
1854 | if (II->isOutOfDate()) | |||
1855 | updateOutOfDateIdentifier(*II); | |||
1856 | break; | |||
1857 | } | |||
1858 | ||||
1859 | case PP_TOKEN: | |||
1860 | // Ignore tokens. | |||
1861 | break; | |||
1862 | } | |||
1863 | break; | |||
1864 | } | |||
1865 | } | |||
1866 | NextCursor: ; | |||
1867 | } | |||
1868 | } | |||
1869 | ||||
1870 | namespace { | |||
1871 | ||||
1872 | /// Visitor class used to look up identifirs in an AST file. | |||
1873 | class IdentifierLookupVisitor { | |||
1874 | StringRef Name; | |||
1875 | unsigned NameHash; | |||
1876 | unsigned PriorGeneration; | |||
1877 | unsigned &NumIdentifierLookups; | |||
1878 | unsigned &NumIdentifierLookupHits; | |||
1879 | IdentifierInfo *Found = nullptr; | |||
1880 | ||||
1881 | public: | |||
1882 | IdentifierLookupVisitor(StringRef Name, unsigned PriorGeneration, | |||
1883 | unsigned &NumIdentifierLookups, | |||
1884 | unsigned &NumIdentifierLookupHits) | |||
1885 | : Name(Name), NameHash(ASTIdentifierLookupTrait::ComputeHash(Name)), | |||
1886 | PriorGeneration(PriorGeneration), | |||
1887 | NumIdentifierLookups(NumIdentifierLookups), | |||
1888 | NumIdentifierLookupHits(NumIdentifierLookupHits) {} | |||
1889 | ||||
1890 | bool operator()(ModuleFile &M) { | |||
1891 | // If we've already searched this module file, skip it now. | |||
1892 | if (M.Generation <= PriorGeneration) | |||
1893 | return true; | |||
1894 | ||||
1895 | ASTIdentifierLookupTable *IdTable | |||
1896 | = (ASTIdentifierLookupTable *)M.IdentifierLookupTable; | |||
1897 | if (!IdTable) | |||
1898 | return false; | |||
1899 | ||||
1900 | ASTIdentifierLookupTrait Trait(IdTable->getInfoObj().getReader(), M, | |||
1901 | Found); | |||
1902 | ++NumIdentifierLookups; | |||
1903 | ASTIdentifierLookupTable::iterator Pos = | |||
1904 | IdTable->find_hashed(Name, NameHash, &Trait); | |||
1905 | if (Pos == IdTable->end()) | |||
1906 | return false; | |||
1907 | ||||
1908 | // Dereferencing the iterator has the effect of building the | |||
1909 | // IdentifierInfo node and populating it with the various | |||
1910 | // declarations it needs. | |||
1911 | ++NumIdentifierLookupHits; | |||
1912 | Found = *Pos; | |||
1913 | return true; | |||
1914 | } | |||
1915 | ||||
1916 | // Retrieve the identifier info found within the module | |||
1917 | // files. | |||
1918 | IdentifierInfo *getIdentifierInfo() const { return Found; } | |||
1919 | }; | |||
1920 | ||||
1921 | } // namespace | |||
1922 | ||||
1923 | void ASTReader::updateOutOfDateIdentifier(IdentifierInfo &II) { | |||
1924 | // Note that we are loading an identifier. | |||
1925 | Deserializing AnIdentifier(this); | |||
1926 | ||||
1927 | unsigned PriorGeneration = 0; | |||
1928 | if (getContext().getLangOpts().Modules) | |||
1929 | PriorGeneration = IdentifierGeneration[&II]; | |||
1930 | ||||
1931 | // If there is a global index, look there first to determine which modules | |||
1932 | // provably do not have any results for this identifier. | |||
1933 | GlobalModuleIndex::HitSet Hits; | |||
1934 | GlobalModuleIndex::HitSet *HitsPtr = nullptr; | |||
1935 | if (!loadGlobalIndex()) { | |||
1936 | if (GlobalIndex->lookupIdentifier(II.getName(), Hits)) { | |||
1937 | HitsPtr = &Hits; | |||
1938 | } | |||
1939 | } | |||
1940 | ||||
1941 | IdentifierLookupVisitor Visitor(II.getName(), PriorGeneration, | |||
1942 | NumIdentifierLookups, | |||
1943 | NumIdentifierLookupHits); | |||
1944 | ModuleMgr.visit(Visitor, HitsPtr); | |||
1945 | markIdentifierUpToDate(&II); | |||
1946 | } | |||
1947 | ||||
1948 | void ASTReader::markIdentifierUpToDate(IdentifierInfo *II) { | |||
1949 | if (!II) | |||
1950 | return; | |||
1951 | ||||
1952 | II->setOutOfDate(false); | |||
1953 | ||||
1954 | // Update the generation for this identifier. | |||
1955 | if (getContext().getLangOpts().Modules) | |||
1956 | IdentifierGeneration[II] = getGeneration(); | |||
1957 | } | |||
1958 | ||||
1959 | void ASTReader::resolvePendingMacro(IdentifierInfo *II, | |||
1960 | const PendingMacroInfo &PMInfo) { | |||
1961 | ModuleFile &M = *PMInfo.M; | |||
1962 | ||||
1963 | BitstreamCursor &Cursor = M.MacroCursor; | |||
1964 | SavedStreamPosition SavedPosition(Cursor); | |||
1965 | Cursor.JumpToBit(PMInfo.MacroDirectivesOffset); | |||
1966 | ||||
1967 | struct ModuleMacroRecord { | |||
1968 | SubmoduleID SubModID; | |||
1969 | MacroInfo *MI; | |||
1970 | SmallVector<SubmoduleID, 8> Overrides; | |||
1971 | }; | |||
1972 | llvm::SmallVector<ModuleMacroRecord, 8> ModuleMacros; | |||
1973 | ||||
1974 | // We expect to see a sequence of PP_MODULE_MACRO records listing exported | |||
1975 | // macros, followed by a PP_MACRO_DIRECTIVE_HISTORY record with the complete | |||
1976 | // macro histroy. | |||
1977 | RecordData Record; | |||
1978 | while (true) { | |||
1979 | llvm::BitstreamEntry Entry = | |||
1980 | Cursor.advance(BitstreamCursor::AF_DontPopBlockAtEnd); | |||
1981 | if (Entry.Kind != llvm::BitstreamEntry::Record) { | |||
1982 | Error("malformed block record in AST file"); | |||
1983 | return; | |||
1984 | } | |||
1985 | ||||
1986 | Record.clear(); | |||
1987 | switch ((PreprocessorRecordTypes)Cursor.readRecord(Entry.ID, Record)) { | |||
1988 | case PP_MACRO_DIRECTIVE_HISTORY: | |||
1989 | break; | |||
1990 | ||||
1991 | case PP_MODULE_MACRO: { | |||
1992 | ModuleMacros.push_back(ModuleMacroRecord()); | |||
1993 | auto &Info = ModuleMacros.back(); | |||
1994 | Info.SubModID = getGlobalSubmoduleID(M, Record[0]); | |||
1995 | Info.MI = getMacro(getGlobalMacroID(M, Record[1])); | |||
1996 | for (int I = 2, N = Record.size(); I != N; ++I) | |||
1997 | Info.Overrides.push_back(getGlobalSubmoduleID(M, Record[I])); | |||
1998 | continue; | |||
1999 | } | |||
2000 | ||||
2001 | default: | |||
2002 | Error("malformed block record in AST file"); | |||
2003 | return; | |||
2004 | } | |||
2005 | ||||
2006 | // We found the macro directive history; that's the last record | |||
2007 | // for this macro. | |||
2008 | break; | |||
2009 | } | |||
2010 | ||||
2011 | // Module macros are listed in reverse dependency order. | |||
2012 | { | |||
2013 | std::reverse(ModuleMacros.begin(), ModuleMacros.end()); | |||
2014 | llvm::SmallVector<ModuleMacro*, 8> Overrides; | |||
2015 | for (auto &MMR : ModuleMacros) { | |||
2016 | Overrides.clear(); | |||
2017 | for (unsigned ModID : MMR.Overrides) { | |||
2018 | Module *Mod = getSubmodule(ModID); | |||
2019 | auto *Macro = PP.getModuleMacro(Mod, II); | |||
2020 | assert(Macro && "missing definition for overridden macro")(static_cast <bool> (Macro && "missing definition for overridden macro" ) ? void (0) : __assert_fail ("Macro && \"missing definition for overridden macro\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 2020, __extension__ __PRETTY_FUNCTION__)); | |||
2021 | Overrides.push_back(Macro); | |||
2022 | } | |||
2023 | ||||
2024 | bool Inserted = false; | |||
2025 | Module *Owner = getSubmodule(MMR.SubModID); | |||
2026 | PP.addModuleMacro(Owner, II, MMR.MI, Overrides, Inserted); | |||
2027 | } | |||
2028 | } | |||
2029 | ||||
2030 | // Don't read the directive history for a module; we don't have anywhere | |||
2031 | // to put it. | |||
2032 | if (M.isModule()) | |||
2033 | return; | |||
2034 | ||||
2035 | // Deserialize the macro directives history in reverse source-order. | |||
2036 | MacroDirective *Latest = nullptr, *Earliest = nullptr; | |||
2037 | unsigned Idx = 0, N = Record.size(); | |||
2038 | while (Idx < N) { | |||
2039 | MacroDirective *MD = nullptr; | |||
2040 | SourceLocation Loc = ReadSourceLocation(M, Record, Idx); | |||
2041 | MacroDirective::Kind K = (MacroDirective::Kind)Record[Idx++]; | |||
2042 | switch (K) { | |||
2043 | case MacroDirective::MD_Define: { | |||
2044 | MacroInfo *MI = getMacro(getGlobalMacroID(M, Record[Idx++])); | |||
2045 | MD = PP.AllocateDefMacroDirective(MI, Loc); | |||
2046 | break; | |||
2047 | } | |||
2048 | case MacroDirective::MD_Undefine: | |||
2049 | MD = PP.AllocateUndefMacroDirective(Loc); | |||
2050 | break; | |||
2051 | case MacroDirective::MD_Visibility: | |||
2052 | bool isPublic = Record[Idx++]; | |||
2053 | MD = PP.AllocateVisibilityMacroDirective(Loc, isPublic); | |||
2054 | break; | |||
2055 | } | |||
2056 | ||||
2057 | if (!Latest) | |||
2058 | Latest = MD; | |||
2059 | if (Earliest) | |||
2060 | Earliest->setPrevious(MD); | |||
2061 | Earliest = MD; | |||
2062 | } | |||
2063 | ||||
2064 | if (Latest) | |||
2065 | PP.setLoadedMacroDirective(II, Earliest, Latest); | |||
2066 | } | |||
2067 | ||||
2068 | ASTReader::InputFileInfo | |||
2069 | ASTReader::readInputFileInfo(ModuleFile &F, unsigned ID) { | |||
2070 | // Go find this input file. | |||
2071 | BitstreamCursor &Cursor = F.InputFilesCursor; | |||
2072 | SavedStreamPosition SavedPosition(Cursor); | |||
2073 | Cursor.JumpToBit(F.InputFileOffsets[ID-1]); | |||
2074 | ||||
2075 | unsigned Code = Cursor.ReadCode(); | |||
2076 | RecordData Record; | |||
2077 | StringRef Blob; | |||
2078 | ||||
2079 | unsigned Result = Cursor.readRecord(Code, Record, &Blob); | |||
2080 | assert(static_cast<InputFileRecordTypes>(Result) == INPUT_FILE &&(static_cast <bool> (static_cast<InputFileRecordTypes >(Result) == INPUT_FILE && "invalid record type for input file" ) ? void (0) : __assert_fail ("static_cast<InputFileRecordTypes>(Result) == INPUT_FILE && \"invalid record type for input file\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 2081, __extension__ __PRETTY_FUNCTION__)) | |||
2081 | "invalid record type for input file")(static_cast <bool> (static_cast<InputFileRecordTypes >(Result) == INPUT_FILE && "invalid record type for input file" ) ? void (0) : __assert_fail ("static_cast<InputFileRecordTypes>(Result) == INPUT_FILE && \"invalid record type for input file\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 2081, __extension__ __PRETTY_FUNCTION__)); | |||
2082 | (void)Result; | |||
2083 | ||||
2084 | assert(Record[0] == ID && "Bogus stored ID or offset")(static_cast <bool> (Record[0] == ID && "Bogus stored ID or offset" ) ? void (0) : __assert_fail ("Record[0] == ID && \"Bogus stored ID or offset\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 2084, __extension__ __PRETTY_FUNCTION__)); | |||
2085 | InputFileInfo R; | |||
2086 | R.StoredSize = static_cast<off_t>(Record[1]); | |||
2087 | R.StoredTime = static_cast<time_t>(Record[2]); | |||
2088 | R.Overridden = static_cast<bool>(Record[3]); | |||
2089 | R.Transient = static_cast<bool>(Record[4]); | |||
2090 | R.TopLevelModuleMap = static_cast<bool>(Record[5]); | |||
2091 | R.Filename = Blob; | |||
2092 | ResolveImportedPath(F, R.Filename); | |||
2093 | return R; | |||
2094 | } | |||
2095 | ||||
2096 | static unsigned moduleKindForDiagnostic(ModuleKind Kind); | |||
2097 | InputFile ASTReader::getInputFile(ModuleFile &F, unsigned ID, bool Complain) { | |||
2098 | // If this ID is bogus, just return an empty input file. | |||
2099 | if (ID == 0 || ID > F.InputFilesLoaded.size()) | |||
2100 | return InputFile(); | |||
2101 | ||||
2102 | // If we've already loaded this input file, return it. | |||
2103 | if (F.InputFilesLoaded[ID-1].getFile()) | |||
2104 | return F.InputFilesLoaded[ID-1]; | |||
2105 | ||||
2106 | if (F.InputFilesLoaded[ID-1].isNotFound()) | |||
2107 | return InputFile(); | |||
2108 | ||||
2109 | // Go find this input file. | |||
2110 | BitstreamCursor &Cursor = F.InputFilesCursor; | |||
2111 | SavedStreamPosition SavedPosition(Cursor); | |||
2112 | Cursor.JumpToBit(F.InputFileOffsets[ID-1]); | |||
2113 | ||||
2114 | InputFileInfo FI = readInputFileInfo(F, ID); | |||
2115 | off_t StoredSize = FI.StoredSize; | |||
2116 | time_t StoredTime = FI.StoredTime; | |||
2117 | bool Overridden = FI.Overridden; | |||
2118 | bool Transient = FI.Transient; | |||
2119 | StringRef Filename = FI.Filename; | |||
2120 | ||||
2121 | const FileEntry *File = FileMgr.getFile(Filename, /*OpenFile=*/false); | |||
2122 | // If we didn't find the file, resolve it relative to the | |||
2123 | // original directory from which this AST file was created. | |||
2124 | if (File == nullptr && !F.OriginalDir.empty() && !F.BaseDirectory.empty() && | |||
2125 | F.OriginalDir != F.BaseDirectory) { | |||
2126 | std::string Resolved = resolveFileRelativeToOriginalDir( | |||
2127 | Filename, F.OriginalDir, F.BaseDirectory); | |||
2128 | if (!Resolved.empty()) | |||
2129 | File = FileMgr.getFile(Resolved); | |||
2130 | } | |||
2131 | ||||
2132 | // For an overridden file, create a virtual file with the stored | |||
2133 | // size/timestamp. | |||
2134 | if ((Overridden || Transient) && File == nullptr) | |||
2135 | File = FileMgr.getVirtualFile(Filename, StoredSize, StoredTime); | |||
2136 | ||||
2137 | if (File == nullptr) { | |||
2138 | if (Complain) { | |||
2139 | std::string ErrorStr = "could not find file '"; | |||
2140 | ErrorStr += Filename; | |||
2141 | ErrorStr += "' referenced by AST file '"; | |||
2142 | ErrorStr += F.FileName; | |||
2143 | ErrorStr += "'"; | |||
2144 | Error(ErrorStr); | |||
2145 | } | |||
2146 | // Record that we didn't find the file. | |||
2147 | F.InputFilesLoaded[ID-1] = InputFile::getNotFound(); | |||
2148 | return InputFile(); | |||
2149 | } | |||
2150 | ||||
2151 | // Check if there was a request to override the contents of the file | |||
2152 | // that was part of the precompiled header. Overriding such a file | |||
2153 | // can lead to problems when lexing using the source locations from the | |||
2154 | // PCH. | |||
2155 | SourceManager &SM = getSourceManager(); | |||
2156 | // FIXME: Reject if the overrides are different. | |||
2157 | if ((!Overridden && !Transient) && SM.isFileOverridden(File)) { | |||
2158 | if (Complain) | |||
2159 | Error(diag::err_fe_pch_file_overridden, Filename); | |||
2160 | // After emitting the diagnostic, recover by disabling the override so | |||
2161 | // that the original file will be used. | |||
2162 | // | |||
2163 | // FIXME: This recovery is just as broken as the original state; there may | |||
2164 | // be another precompiled module that's using the overridden contents, or | |||
2165 | // we might be half way through parsing it. Instead, we should treat the | |||
2166 | // overridden contents as belonging to a separate FileEntry. | |||
2167 | SM.disableFileContentsOverride(File); | |||
2168 | // The FileEntry is a virtual file entry with the size of the contents | |||
2169 | // that would override the original contents. Set it to the original's | |||
2170 | // size/time. | |||
2171 | FileMgr.modifyFileEntry(const_cast<FileEntry*>(File), | |||
2172 | StoredSize, StoredTime); | |||
2173 | } | |||
2174 | ||||
2175 | bool IsOutOfDate = false; | |||
2176 | ||||
2177 | // For an overridden file, there is nothing to validate. | |||
2178 | if (!Overridden && // | |||
2179 | (StoredSize != File->getSize() || | |||
2180 | (StoredTime && StoredTime != File->getModificationTime() && | |||
2181 | !DisableValidation) | |||
2182 | )) { | |||
2183 | if (Complain) { | |||
2184 | // Build a list of the PCH imports that got us here (in reverse). | |||
2185 | SmallVector<ModuleFile *, 4> ImportStack(1, &F); | |||
2186 | while (!ImportStack.back()->ImportedBy.empty()) | |||
2187 | ImportStack.push_back(ImportStack.back()->ImportedBy[0]); | |||
2188 | ||||
2189 | // The top-level PCH is stale. | |||
2190 | StringRef TopLevelPCHName(ImportStack.back()->FileName); | |||
2191 | unsigned DiagnosticKind = moduleKindForDiagnostic(ImportStack.back()->Kind); | |||
2192 | if (DiagnosticKind == 0) | |||
2193 | Error(diag::err_fe_pch_file_modified, Filename, TopLevelPCHName); | |||
2194 | else if (DiagnosticKind == 1) | |||
2195 | Error(diag::err_fe_module_file_modified, Filename, TopLevelPCHName); | |||
2196 | else | |||
2197 | Error(diag::err_fe_ast_file_modified, Filename, TopLevelPCHName); | |||
2198 | ||||
2199 | // Print the import stack. | |||
2200 | if (ImportStack.size() > 1 && !Diags.isDiagnosticInFlight()) { | |||
2201 | Diag(diag::note_pch_required_by) | |||
2202 | << Filename << ImportStack[0]->FileName; | |||
2203 | for (unsigned I = 1; I < ImportStack.size(); ++I) | |||
2204 | Diag(diag::note_pch_required_by) | |||
2205 | << ImportStack[I-1]->FileName << ImportStack[I]->FileName; | |||
2206 | } | |||
2207 | ||||
2208 | if (!Diags.isDiagnosticInFlight()) | |||
2209 | Diag(diag::note_pch_rebuild_required) << TopLevelPCHName; | |||
2210 | } | |||
2211 | ||||
2212 | IsOutOfDate = true; | |||
2213 | } | |||
2214 | // FIXME: If the file is overridden and we've already opened it, | |||
2215 | // issue an error (or split it into a separate FileEntry). | |||
2216 | ||||
2217 | InputFile IF = InputFile(File, Overridden || Transient, IsOutOfDate); | |||
2218 | ||||
2219 | // Note that we've loaded this input file. | |||
2220 | F.InputFilesLoaded[ID-1] = IF; | |||
2221 | return IF; | |||
2222 | } | |||
2223 | ||||
2224 | /// If we are loading a relocatable PCH or module file, and the filename | |||
2225 | /// is not an absolute path, add the system or module root to the beginning of | |||
2226 | /// the file name. | |||
2227 | void ASTReader::ResolveImportedPath(ModuleFile &M, std::string &Filename) { | |||
2228 | // Resolve relative to the base directory, if we have one. | |||
2229 | if (!M.BaseDirectory.empty()) | |||
2230 | return ResolveImportedPath(Filename, M.BaseDirectory); | |||
2231 | } | |||
2232 | ||||
2233 | void ASTReader::ResolveImportedPath(std::string &Filename, StringRef Prefix) { | |||
2234 | if (Filename.empty() || llvm::sys::path::is_absolute(Filename)) | |||
2235 | return; | |||
2236 | ||||
2237 | SmallString<128> Buffer; | |||
2238 | llvm::sys::path::append(Buffer, Prefix, Filename); | |||
2239 | Filename.assign(Buffer.begin(), Buffer.end()); | |||
2240 | } | |||
2241 | ||||
2242 | static bool isDiagnosedResult(ASTReader::ASTReadResult ARR, unsigned Caps) { | |||
2243 | switch (ARR) { | |||
2244 | case ASTReader::Failure: return true; | |||
2245 | case ASTReader::Missing: return !(Caps & ASTReader::ARR_Missing); | |||
2246 | case ASTReader::OutOfDate: return !(Caps & ASTReader::ARR_OutOfDate); | |||
2247 | case ASTReader::VersionMismatch: return !(Caps & ASTReader::ARR_VersionMismatch); | |||
2248 | case ASTReader::ConfigurationMismatch: | |||
2249 | return !(Caps & ASTReader::ARR_ConfigurationMismatch); | |||
2250 | case ASTReader::HadErrors: return true; | |||
2251 | case ASTReader::Success: return false; | |||
2252 | } | |||
2253 | ||||
2254 | llvm_unreachable("unknown ASTReadResult")::llvm::llvm_unreachable_internal("unknown ASTReadResult", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 2254); | |||
2255 | } | |||
2256 | ||||
2257 | ASTReader::ASTReadResult ASTReader::ReadOptionsBlock( | |||
2258 | BitstreamCursor &Stream, unsigned ClientLoadCapabilities, | |||
2259 | bool AllowCompatibleConfigurationMismatch, ASTReaderListener &Listener, | |||
2260 | std::string &SuggestedPredefines) { | |||
2261 | if (Stream.EnterSubBlock(OPTIONS_BLOCK_ID)) | |||
2262 | return Failure; | |||
2263 | ||||
2264 | // Read all of the records in the options block. | |||
2265 | RecordData Record; | |||
2266 | ASTReadResult Result = Success; | |||
2267 | while (true) { | |||
2268 | llvm::BitstreamEntry Entry = Stream.advance(); | |||
2269 | ||||
2270 | switch (Entry.Kind) { | |||
2271 | case llvm::BitstreamEntry::Error: | |||
2272 | case llvm::BitstreamEntry::SubBlock: | |||
2273 | return Failure; | |||
2274 | ||||
2275 | case llvm::BitstreamEntry::EndBlock: | |||
2276 | return Result; | |||
2277 | ||||
2278 | case llvm::BitstreamEntry::Record: | |||
2279 | // The interesting case. | |||
2280 | break; | |||
2281 | } | |||
2282 | ||||
2283 | // Read and process a record. | |||
2284 | Record.clear(); | |||
2285 | switch ((OptionsRecordTypes)Stream.readRecord(Entry.ID, Record)) { | |||
2286 | case LANGUAGE_OPTIONS: { | |||
2287 | bool Complain = (ClientLoadCapabilities & ARR_ConfigurationMismatch) == 0; | |||
2288 | if (ParseLanguageOptions(Record, Complain, Listener, | |||
2289 | AllowCompatibleConfigurationMismatch)) | |||
2290 | Result = ConfigurationMismatch; | |||
2291 | break; | |||
2292 | } | |||
2293 | ||||
2294 | case TARGET_OPTIONS: { | |||
2295 | bool Complain = (ClientLoadCapabilities & ARR_ConfigurationMismatch) == 0; | |||
2296 | if (ParseTargetOptions(Record, Complain, Listener, | |||
2297 | AllowCompatibleConfigurationMismatch)) | |||
2298 | Result = ConfigurationMismatch; | |||
2299 | break; | |||
2300 | } | |||
2301 | ||||
2302 | case FILE_SYSTEM_OPTIONS: { | |||
2303 | bool Complain = (ClientLoadCapabilities & ARR_ConfigurationMismatch) == 0; | |||
2304 | if (!AllowCompatibleConfigurationMismatch && | |||
2305 | ParseFileSystemOptions(Record, Complain, Listener)) | |||
2306 | Result = ConfigurationMismatch; | |||
2307 | break; | |||
2308 | } | |||
2309 | ||||
2310 | case HEADER_SEARCH_OPTIONS: { | |||
2311 | bool Complain = (ClientLoadCapabilities & ARR_ConfigurationMismatch) == 0; | |||
2312 | if (!AllowCompatibleConfigurationMismatch && | |||
2313 | ParseHeaderSearchOptions(Record, Complain, Listener)) | |||
2314 | Result = ConfigurationMismatch; | |||
2315 | break; | |||
2316 | } | |||
2317 | ||||
2318 | case PREPROCESSOR_OPTIONS: | |||
2319 | bool Complain = (ClientLoadCapabilities & ARR_ConfigurationMismatch) == 0; | |||
2320 | if (!AllowCompatibleConfigurationMismatch && | |||
2321 | ParsePreprocessorOptions(Record, Complain, Listener, | |||
2322 | SuggestedPredefines)) | |||
2323 | Result = ConfigurationMismatch; | |||
2324 | break; | |||
2325 | } | |||
2326 | } | |||
2327 | } | |||
2328 | ||||
2329 | ASTReader::ASTReadResult | |||
2330 | ASTReader::ReadControlBlock(ModuleFile &F, | |||
2331 | SmallVectorImpl<ImportedModule> &Loaded, | |||
2332 | const ModuleFile *ImportedBy, | |||
2333 | unsigned ClientLoadCapabilities) { | |||
2334 | BitstreamCursor &Stream = F.Stream; | |||
2335 | ASTReadResult Result = Success; | |||
2336 | ||||
2337 | if (Stream.EnterSubBlock(CONTROL_BLOCK_ID)) { | |||
2338 | Error("malformed block record in AST file"); | |||
2339 | return Failure; | |||
2340 | } | |||
2341 | ||||
2342 | // Lambda to read the unhashed control block the first time it's called. | |||
2343 | // | |||
2344 | // For PCM files, the unhashed control block cannot be read until after the | |||
2345 | // MODULE_NAME record. However, PCH files have no MODULE_NAME, and yet still | |||
2346 | // need to look ahead before reading the IMPORTS record. For consistency, | |||
2347 | // this block is always read somehow (see BitstreamEntry::EndBlock). | |||
2348 | bool HasReadUnhashedControlBlock = false; | |||
2349 | auto readUnhashedControlBlockOnce = [&]() { | |||
2350 | if (!HasReadUnhashedControlBlock) { | |||
2351 | HasReadUnhashedControlBlock = true; | |||
2352 | if (ASTReadResult Result = | |||
2353 | readUnhashedControlBlock(F, ImportedBy, ClientLoadCapabilities)) | |||
2354 | return Result; | |||
2355 | } | |||
2356 | return Success; | |||
2357 | }; | |||
2358 | ||||
2359 | // Read all of the records and blocks in the control block. | |||
2360 | RecordData Record; | |||
2361 | unsigned NumInputs = 0; | |||
2362 | unsigned NumUserInputs = 0; | |||
2363 | while (true) { | |||
2364 | llvm::BitstreamEntry Entry = Stream.advance(); | |||
2365 | ||||
2366 | switch (Entry.Kind) { | |||
2367 | case llvm::BitstreamEntry::Error: | |||
2368 | Error("malformed block record in AST file"); | |||
2369 | return Failure; | |||
2370 | case llvm::BitstreamEntry::EndBlock: { | |||
2371 | // Validate the module before returning. This call catches an AST with | |||
2372 | // no module name and no imports. | |||
2373 | if (ASTReadResult Result = readUnhashedControlBlockOnce()) | |||
2374 | return Result; | |||
2375 | ||||
2376 | // Validate input files. | |||
2377 | const HeaderSearchOptions &HSOpts = | |||
2378 | PP.getHeaderSearchInfo().getHeaderSearchOpts(); | |||
2379 | ||||
2380 | // All user input files reside at the index range [0, NumUserInputs), and | |||
2381 | // system input files reside at [NumUserInputs, NumInputs). For explicitly | |||
2382 | // loaded module files, ignore missing inputs. | |||
2383 | if (!DisableValidation && F.Kind != MK_ExplicitModule && | |||
2384 | F.Kind != MK_PrebuiltModule) { | |||
2385 | bool Complain = (ClientLoadCapabilities & ARR_OutOfDate) == 0; | |||
2386 | ||||
2387 | // If we are reading a module, we will create a verification timestamp, | |||
2388 | // so we verify all input files. Otherwise, verify only user input | |||
2389 | // files. | |||
2390 | ||||
2391 | unsigned N = NumUserInputs; | |||
2392 | if (ValidateSystemInputs || | |||
2393 | (HSOpts.ModulesValidateOncePerBuildSession && | |||
2394 | F.InputFilesValidationTimestamp <= HSOpts.BuildSessionTimestamp && | |||
2395 | F.Kind == MK_ImplicitModule)) | |||
2396 | N = NumInputs; | |||
2397 | ||||
2398 | for (unsigned I = 0; I < N; ++I) { | |||
2399 | InputFile IF = getInputFile(F, I+1, Complain); | |||
2400 | if (!IF.getFile() || IF.isOutOfDate()) | |||
2401 | return OutOfDate; | |||
2402 | } | |||
2403 | } | |||
2404 | ||||
2405 | if (Listener) | |||
2406 | Listener->visitModuleFile(F.FileName, F.Kind); | |||
2407 | ||||
2408 | if (Listener && Listener->needsInputFileVisitation()) { | |||
2409 | unsigned N = Listener->needsSystemInputFileVisitation() ? NumInputs | |||
2410 | : NumUserInputs; | |||
2411 | for (unsigned I = 0; I < N; ++I) { | |||
2412 | bool IsSystem = I >= NumUserInputs; | |||
2413 | InputFileInfo FI = readInputFileInfo(F, I+1); | |||
2414 | Listener->visitInputFile(FI.Filename, IsSystem, FI.Overridden, | |||
2415 | F.Kind == MK_ExplicitModule || | |||
2416 | F.Kind == MK_PrebuiltModule); | |||
2417 | } | |||
2418 | } | |||
2419 | ||||
2420 | return Result; | |||
2421 | } | |||
2422 | ||||
2423 | case llvm::BitstreamEntry::SubBlock: | |||
2424 | switch (Entry.ID) { | |||
2425 | case INPUT_FILES_BLOCK_ID: | |||
2426 | F.InputFilesCursor = Stream; | |||
2427 | if (Stream.SkipBlock() || // Skip with the main cursor | |||
2428 | // Read the abbreviations | |||
2429 | ReadBlockAbbrevs(F.InputFilesCursor, INPUT_FILES_BLOCK_ID)) { | |||
2430 | Error("malformed block record in AST file"); | |||
2431 | return Failure; | |||
2432 | } | |||
2433 | continue; | |||
2434 | ||||
2435 | case OPTIONS_BLOCK_ID: | |||
2436 | // If we're reading the first module for this group, check its options | |||
2437 | // are compatible with ours. For modules it imports, no further checking | |||
2438 | // is required, because we checked them when we built it. | |||
2439 | if (Listener && !ImportedBy) { | |||
2440 | // Should we allow the configuration of the module file to differ from | |||
2441 | // the configuration of the current translation unit in a compatible | |||
2442 | // way? | |||
2443 | // | |||
2444 | // FIXME: Allow this for files explicitly specified with -include-pch. | |||
2445 | bool AllowCompatibleConfigurationMismatch = | |||
2446 | F.Kind == MK_ExplicitModule || F.Kind == MK_PrebuiltModule; | |||
2447 | ||||
2448 | Result = ReadOptionsBlock(Stream, ClientLoadCapabilities, | |||
2449 | AllowCompatibleConfigurationMismatch, | |||
2450 | *Listener, SuggestedPredefines); | |||
2451 | if (Result == Failure) { | |||
2452 | Error("malformed block record in AST file"); | |||
2453 | return Result; | |||
2454 | } | |||
2455 | ||||
2456 | if (DisableValidation || | |||
2457 | (AllowConfigurationMismatch && Result == ConfigurationMismatch)) | |||
2458 | Result = Success; | |||
2459 | ||||
2460 | // If we can't load the module, exit early since we likely | |||
2461 | // will rebuild the module anyway. The stream may be in the | |||
2462 | // middle of a block. | |||
2463 | if (Result != Success) | |||
2464 | return Result; | |||
2465 | } else if (Stream.SkipBlock()) { | |||
2466 | Error("malformed block record in AST file"); | |||
2467 | return Failure; | |||
2468 | } | |||
2469 | continue; | |||
2470 | ||||
2471 | default: | |||
2472 | if (Stream.SkipBlock()) { | |||
2473 | Error("malformed block record in AST file"); | |||
2474 | return Failure; | |||
2475 | } | |||
2476 | continue; | |||
2477 | } | |||
2478 | ||||
2479 | case llvm::BitstreamEntry::Record: | |||
2480 | // The interesting case. | |||
2481 | break; | |||
2482 | } | |||
2483 | ||||
2484 | // Read and process a record. | |||
2485 | Record.clear(); | |||
2486 | StringRef Blob; | |||
2487 | switch ((ControlRecordTypes)Stream.readRecord(Entry.ID, Record, &Blob)) { | |||
2488 | case METADATA: { | |||
2489 | if (Record[0] != VERSION_MAJOR && !DisableValidation) { | |||
2490 | if ((ClientLoadCapabilities & ARR_VersionMismatch) == 0) | |||
2491 | Diag(Record[0] < VERSION_MAJOR? diag::err_pch_version_too_old | |||
2492 | : diag::err_pch_version_too_new); | |||
2493 | return VersionMismatch; | |||
2494 | } | |||
2495 | ||||
2496 | bool hasErrors = Record[7]; | |||
2497 | if (hasErrors && !DisableValidation && !AllowASTWithCompilerErrors) { | |||
2498 | Diag(diag::err_pch_with_compiler_errors); | |||
2499 | return HadErrors; | |||
2500 | } | |||
2501 | if (hasErrors) { | |||
2502 | Diags.ErrorOccurred = true; | |||
2503 | Diags.UncompilableErrorOccurred = true; | |||
2504 | Diags.UnrecoverableErrorOccurred = true; | |||
2505 | } | |||
2506 | ||||
2507 | F.RelocatablePCH = Record[4]; | |||
2508 | // Relative paths in a relocatable PCH are relative to our sysroot. | |||
2509 | if (F.RelocatablePCH) | |||
2510 | F.BaseDirectory = isysroot.empty() ? "/" : isysroot; | |||
2511 | ||||
2512 | F.HasTimestamps = Record[5]; | |||
2513 | ||||
2514 | F.PCHHasObjectFile = Record[6]; | |||
2515 | ||||
2516 | const std::string &CurBranch = getClangFullRepositoryVersion(); | |||
2517 | StringRef ASTBranch = Blob; | |||
2518 | if (StringRef(CurBranch) != ASTBranch && !DisableValidation) { | |||
2519 | if ((ClientLoadCapabilities & ARR_VersionMismatch) == 0) | |||
2520 | Diag(diag::err_pch_different_branch) << ASTBranch << CurBranch; | |||
2521 | return VersionMismatch; | |||
2522 | } | |||
2523 | break; | |||
2524 | } | |||
2525 | ||||
2526 | case IMPORTS: { | |||
2527 | // Validate the AST before processing any imports (otherwise, untangling | |||
2528 | // them can be error-prone and expensive). A module will have a name and | |||
2529 | // will already have been validated, but this catches the PCH case. | |||
2530 | if (ASTReadResult Result = readUnhashedControlBlockOnce()) | |||
2531 | return Result; | |||
2532 | ||||
2533 | // Load each of the imported PCH files. | |||
2534 | unsigned Idx = 0, N = Record.size(); | |||
2535 | while (Idx < N) { | |||
2536 | // Read information about the AST file. | |||
2537 | ModuleKind ImportedKind = (ModuleKind)Record[Idx++]; | |||
2538 | // The import location will be the local one for now; we will adjust | |||
2539 | // all import locations of module imports after the global source | |||
2540 | // location info are setup, in ReadAST. | |||
2541 | SourceLocation ImportLoc = | |||
2542 | ReadUntranslatedSourceLocation(Record[Idx++]); | |||
2543 | off_t StoredSize = (off_t)Record[Idx++]; | |||
2544 | time_t StoredModTime = (time_t)Record[Idx++]; | |||
2545 | ASTFileSignature StoredSignature = { | |||
2546 | {{(uint32_t)Record[Idx++], (uint32_t)Record[Idx++], | |||
2547 | (uint32_t)Record[Idx++], (uint32_t)Record[Idx++], | |||
2548 | (uint32_t)Record[Idx++]}}}; | |||
2549 | ||||
2550 | std::string ImportedName = ReadString(Record, Idx); | |||
2551 | std::string ImportedFile; | |||
2552 | ||||
2553 | // For prebuilt and explicit modules first consult the file map for | |||
2554 | // an override. Note that here we don't search prebuilt module | |||
2555 | // directories, only the explicit name to file mappings. Also, we will | |||
2556 | // still verify the size/signature making sure it is essentially the | |||
2557 | // same file but perhaps in a different location. | |||
2558 | if (ImportedKind == MK_PrebuiltModule || ImportedKind == MK_ExplicitModule) | |||
2559 | ImportedFile = PP.getHeaderSearchInfo().getPrebuiltModuleFileName( | |||
2560 | ImportedName, /*FileMapOnly*/ true); | |||
2561 | ||||
2562 | if (ImportedFile.empty()) | |||
2563 | ImportedFile = ReadPath(F, Record, Idx); | |||
2564 | else | |||
2565 | SkipPath(Record, Idx); | |||
2566 | ||||
2567 | // If our client can't cope with us being out of date, we can't cope with | |||
2568 | // our dependency being missing. | |||
2569 | unsigned Capabilities = ClientLoadCapabilities; | |||
2570 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) | |||
2571 | Capabilities &= ~ARR_Missing; | |||
2572 | ||||
2573 | // Load the AST file. | |||
2574 | auto Result = ReadASTCore(ImportedFile, ImportedKind, ImportLoc, &F, | |||
2575 | Loaded, StoredSize, StoredModTime, | |||
2576 | StoredSignature, Capabilities); | |||
2577 | ||||
2578 | // If we diagnosed a problem, produce a backtrace. | |||
2579 | if (isDiagnosedResult(Result, Capabilities)) | |||
2580 | Diag(diag::note_module_file_imported_by) | |||
2581 | << F.FileName << !F.ModuleName.empty() << F.ModuleName; | |||
2582 | ||||
2583 | switch (Result) { | |||
2584 | case Failure: return Failure; | |||
2585 | // If we have to ignore the dependency, we'll have to ignore this too. | |||
2586 | case Missing: | |||
2587 | case OutOfDate: return OutOfDate; | |||
2588 | case VersionMismatch: return VersionMismatch; | |||
2589 | case ConfigurationMismatch: return ConfigurationMismatch; | |||
2590 | case HadErrors: return HadErrors; | |||
2591 | case Success: break; | |||
2592 | } | |||
2593 | } | |||
2594 | break; | |||
2595 | } | |||
2596 | ||||
2597 | case ORIGINAL_FILE: | |||
2598 | F.OriginalSourceFileID = FileID::get(Record[0]); | |||
2599 | F.ActualOriginalSourceFileName = Blob; | |||
2600 | F.OriginalSourceFileName = F.ActualOriginalSourceFileName; | |||
2601 | ResolveImportedPath(F, F.OriginalSourceFileName); | |||
2602 | break; | |||
2603 | ||||
2604 | case ORIGINAL_FILE_ID: | |||
2605 | F.OriginalSourceFileID = FileID::get(Record[0]); | |||
2606 | break; | |||
2607 | ||||
2608 | case ORIGINAL_PCH_DIR: | |||
2609 | F.OriginalDir = Blob; | |||
2610 | break; | |||
2611 | ||||
2612 | case MODULE_NAME: | |||
2613 | F.ModuleName = Blob; | |||
2614 | if (Listener) | |||
2615 | Listener->ReadModuleName(F.ModuleName); | |||
2616 | ||||
2617 | // Validate the AST as soon as we have a name so we can exit early on | |||
2618 | // failure. | |||
2619 | if (ASTReadResult Result = readUnhashedControlBlockOnce()) | |||
2620 | return Result; | |||
2621 | ||||
2622 | break; | |||
2623 | ||||
2624 | case MODULE_DIRECTORY: { | |||
2625 | assert(!F.ModuleName.empty() &&(static_cast <bool> (!F.ModuleName.empty() && "MODULE_DIRECTORY found before MODULE_NAME" ) ? void (0) : __assert_fail ("!F.ModuleName.empty() && \"MODULE_DIRECTORY found before MODULE_NAME\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 2626, __extension__ __PRETTY_FUNCTION__)) | |||
2626 | "MODULE_DIRECTORY found before MODULE_NAME")(static_cast <bool> (!F.ModuleName.empty() && "MODULE_DIRECTORY found before MODULE_NAME" ) ? void (0) : __assert_fail ("!F.ModuleName.empty() && \"MODULE_DIRECTORY found before MODULE_NAME\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 2626, __extension__ __PRETTY_FUNCTION__)); | |||
2627 | // If we've already loaded a module map file covering this module, we may | |||
2628 | // have a better path for it (relative to the current build). | |||
2629 | Module *M = PP.getHeaderSearchInfo().lookupModule( | |||
2630 | F.ModuleName, /*AllowSearch*/ true, | |||
2631 | /*AllowExtraModuleMapSearch*/ true); | |||
2632 | if (M && M->Directory) { | |||
2633 | // If we're implicitly loading a module, the base directory can't | |||
2634 | // change between the build and use. | |||
2635 | if (F.Kind != MK_ExplicitModule && F.Kind != MK_PrebuiltModule) { | |||
2636 | const DirectoryEntry *BuildDir = | |||
2637 | PP.getFileManager().getDirectory(Blob); | |||
2638 | if (!BuildDir || BuildDir != M->Directory) { | |||
2639 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) | |||
2640 | Diag(diag::err_imported_module_relocated) | |||
2641 | << F.ModuleName << Blob << M->Directory->getName(); | |||
2642 | return OutOfDate; | |||
2643 | } | |||
2644 | } | |||
2645 | F.BaseDirectory = M->Directory->getName(); | |||
2646 | } else { | |||
2647 | F.BaseDirectory = Blob; | |||
2648 | } | |||
2649 | break; | |||
2650 | } | |||
2651 | ||||
2652 | case MODULE_MAP_FILE: | |||
2653 | if (ASTReadResult Result = | |||
2654 | ReadModuleMapFileBlock(Record, F, ImportedBy, ClientLoadCapabilities)) | |||
2655 | return Result; | |||
2656 | break; | |||
2657 | ||||
2658 | case INPUT_FILE_OFFSETS: | |||
2659 | NumInputs = Record[0]; | |||
2660 | NumUserInputs = Record[1]; | |||
2661 | F.InputFileOffsets = | |||
2662 | (const llvm::support::unaligned_uint64_t *)Blob.data(); | |||
2663 | F.InputFilesLoaded.resize(NumInputs); | |||
2664 | F.NumUserInputFiles = NumUserInputs; | |||
2665 | break; | |||
2666 | } | |||
2667 | } | |||
2668 | } | |||
2669 | ||||
2670 | ASTReader::ASTReadResult | |||
2671 | ASTReader::ReadASTBlock(ModuleFile &F, unsigned ClientLoadCapabilities) { | |||
2672 | BitstreamCursor &Stream = F.Stream; | |||
2673 | ||||
2674 | if (Stream.EnterSubBlock(AST_BLOCK_ID)) { | |||
2675 | Error("malformed block record in AST file"); | |||
2676 | return Failure; | |||
2677 | } | |||
2678 | ||||
2679 | // Read all of the records and blocks for the AST file. | |||
2680 | RecordData Record; | |||
2681 | while (true) { | |||
2682 | llvm::BitstreamEntry Entry = Stream.advance(); | |||
2683 | ||||
2684 | switch (Entry.Kind) { | |||
2685 | case llvm::BitstreamEntry::Error: | |||
2686 | Error("error at end of module block in AST file"); | |||
2687 | return Failure; | |||
2688 | case llvm::BitstreamEntry::EndBlock: | |||
2689 | // Outside of C++, we do not store a lookup map for the translation unit. | |||
2690 | // Instead, mark it as needing a lookup map to be built if this module | |||
2691 | // contains any declarations lexically within it (which it always does!). | |||
2692 | // This usually has no cost, since we very rarely need the lookup map for | |||
2693 | // the translation unit outside C++. | |||
2694 | if (ASTContext *Ctx = ContextObj) { | |||
2695 | DeclContext *DC = Ctx->getTranslationUnitDecl(); | |||
2696 | if (DC->hasExternalLexicalStorage() && !Ctx->getLangOpts().CPlusPlus) | |||
2697 | DC->setMustBuildLookupTable(); | |||
2698 | } | |||
2699 | ||||
2700 | return Success; | |||
2701 | case llvm::BitstreamEntry::SubBlock: | |||
2702 | switch (Entry.ID) { | |||
2703 | case DECLTYPES_BLOCK_ID: | |||
2704 | // We lazily load the decls block, but we want to set up the | |||
2705 | // DeclsCursor cursor to point into it. Clone our current bitcode | |||
2706 | // cursor to it, enter the block and read the abbrevs in that block. | |||
2707 | // With the main cursor, we just skip over it. | |||
2708 | F.DeclsCursor = Stream; | |||
2709 | if (Stream.SkipBlock() || // Skip with the main cursor. | |||
2710 | // Read the abbrevs. | |||
2711 | ReadBlockAbbrevs(F.DeclsCursor, DECLTYPES_BLOCK_ID)) { | |||
2712 | Error("malformed block record in AST file"); | |||
2713 | return Failure; | |||
2714 | } | |||
2715 | break; | |||
2716 | ||||
2717 | case PREPROCESSOR_BLOCK_ID: | |||
2718 | F.MacroCursor = Stream; | |||
2719 | if (!PP.getExternalSource()) | |||
2720 | PP.setExternalSource(this); | |||
2721 | ||||
2722 | if (Stream.SkipBlock() || | |||
2723 | ReadBlockAbbrevs(F.MacroCursor, PREPROCESSOR_BLOCK_ID)) { | |||
2724 | Error("malformed block record in AST file"); | |||
2725 | return Failure; | |||
2726 | } | |||
2727 | F.MacroStartOffset = F.MacroCursor.GetCurrentBitNo(); | |||
2728 | break; | |||
2729 | ||||
2730 | case PREPROCESSOR_DETAIL_BLOCK_ID: | |||
2731 | F.PreprocessorDetailCursor = Stream; | |||
2732 | if (Stream.SkipBlock() || | |||
2733 | ReadBlockAbbrevs(F.PreprocessorDetailCursor, | |||
2734 | PREPROCESSOR_DETAIL_BLOCK_ID)) { | |||
2735 | Error("malformed preprocessor detail record in AST file"); | |||
2736 | return Failure; | |||
2737 | } | |||
2738 | F.PreprocessorDetailStartOffset | |||
2739 | = F.PreprocessorDetailCursor.GetCurrentBitNo(); | |||
2740 | ||||
2741 | if (!PP.getPreprocessingRecord()) | |||
2742 | PP.createPreprocessingRecord(); | |||
2743 | if (!PP.getPreprocessingRecord()->getExternalSource()) | |||
2744 | PP.getPreprocessingRecord()->SetExternalSource(*this); | |||
2745 | break; | |||
2746 | ||||
2747 | case SOURCE_MANAGER_BLOCK_ID: | |||
2748 | if (ReadSourceManagerBlock(F)) | |||
2749 | return Failure; | |||
2750 | break; | |||
2751 | ||||
2752 | case SUBMODULE_BLOCK_ID: | |||
2753 | if (ASTReadResult Result = | |||
2754 | ReadSubmoduleBlock(F, ClientLoadCapabilities)) | |||
2755 | return Result; | |||
2756 | break; | |||
2757 | ||||
2758 | case COMMENTS_BLOCK_ID: { | |||
2759 | BitstreamCursor C = Stream; | |||
2760 | if (Stream.SkipBlock() || | |||
2761 | ReadBlockAbbrevs(C, COMMENTS_BLOCK_ID)) { | |||
2762 | Error("malformed comments block in AST file"); | |||
2763 | return Failure; | |||
2764 | } | |||
2765 | CommentsCursors.push_back(std::make_pair(C, &F)); | |||
2766 | break; | |||
2767 | } | |||
2768 | ||||
2769 | default: | |||
2770 | if (Stream.SkipBlock()) { | |||
2771 | Error("malformed block record in AST file"); | |||
2772 | return Failure; | |||
2773 | } | |||
2774 | break; | |||
2775 | } | |||
2776 | continue; | |||
2777 | ||||
2778 | case llvm::BitstreamEntry::Record: | |||
2779 | // The interesting case. | |||
2780 | break; | |||
2781 | } | |||
2782 | ||||
2783 | // Read and process a record. | |||
2784 | Record.clear(); | |||
2785 | StringRef Blob; | |||
2786 | auto RecordType = | |||
2787 | (ASTRecordTypes)Stream.readRecord(Entry.ID, Record, &Blob); | |||
2788 | ||||
2789 | // If we're not loading an AST context, we don't care about most records. | |||
2790 | if (!ContextObj) { | |||
2791 | switch (RecordType) { | |||
2792 | case IDENTIFIER_TABLE: | |||
2793 | case IDENTIFIER_OFFSET: | |||
2794 | case INTERESTING_IDENTIFIERS: | |||
2795 | case STATISTICS: | |||
2796 | case PP_CONDITIONAL_STACK: | |||
2797 | case PP_COUNTER_VALUE: | |||
2798 | case SOURCE_LOCATION_OFFSETS: | |||
2799 | case MODULE_OFFSET_MAP: | |||
2800 | case SOURCE_MANAGER_LINE_TABLE: | |||
2801 | case SOURCE_LOCATION_PRELOADS: | |||
2802 | case PPD_ENTITIES_OFFSETS: | |||
2803 | case HEADER_SEARCH_TABLE: | |||
2804 | case IMPORTED_MODULES: | |||
2805 | case MACRO_OFFSET: | |||
2806 | break; | |||
2807 | default: | |||
2808 | continue; | |||
2809 | } | |||
2810 | } | |||
2811 | ||||
2812 | switch (RecordType) { | |||
2813 | default: // Default behavior: ignore. | |||
2814 | break; | |||
2815 | ||||
2816 | case TYPE_OFFSET: { | |||
2817 | if (F.LocalNumTypes != 0) { | |||
2818 | Error("duplicate TYPE_OFFSET record in AST file"); | |||
2819 | return Failure; | |||
2820 | } | |||
2821 | F.TypeOffsets = (const uint32_t *)Blob.data(); | |||
2822 | F.LocalNumTypes = Record[0]; | |||
2823 | unsigned LocalBaseTypeIndex = Record[1]; | |||
2824 | F.BaseTypeIndex = getTotalNumTypes(); | |||
2825 | ||||
2826 | if (F.LocalNumTypes > 0) { | |||
2827 | // Introduce the global -> local mapping for types within this module. | |||
2828 | GlobalTypeMap.insert(std::make_pair(getTotalNumTypes(), &F)); | |||
2829 | ||||
2830 | // Introduce the local -> global mapping for types within this module. | |||
2831 | F.TypeRemap.insertOrReplace( | |||
2832 | std::make_pair(LocalBaseTypeIndex, | |||
2833 | F.BaseTypeIndex - LocalBaseTypeIndex)); | |||
2834 | ||||
2835 | TypesLoaded.resize(TypesLoaded.size() + F.LocalNumTypes); | |||
2836 | } | |||
2837 | break; | |||
2838 | } | |||
2839 | ||||
2840 | case DECL_OFFSET: { | |||
2841 | if (F.LocalNumDecls != 0) { | |||
2842 | Error("duplicate DECL_OFFSET record in AST file"); | |||
2843 | return Failure; | |||
2844 | } | |||
2845 | F.DeclOffsets = (const DeclOffset *)Blob.data(); | |||
2846 | F.LocalNumDecls = Record[0]; | |||
2847 | unsigned LocalBaseDeclID = Record[1]; | |||
2848 | F.BaseDeclID = getTotalNumDecls(); | |||
2849 | ||||
2850 | if (F.LocalNumDecls > 0) { | |||
2851 | // Introduce the global -> local mapping for declarations within this | |||
2852 | // module. | |||
2853 | GlobalDeclMap.insert( | |||
2854 | std::make_pair(getTotalNumDecls() + NUM_PREDEF_DECL_IDS, &F)); | |||
2855 | ||||
2856 | // Introduce the local -> global mapping for declarations within this | |||
2857 | // module. | |||
2858 | F.DeclRemap.insertOrReplace( | |||
2859 | std::make_pair(LocalBaseDeclID, F.BaseDeclID - LocalBaseDeclID)); | |||
2860 | ||||
2861 | // Introduce the global -> local mapping for declarations within this | |||
2862 | // module. | |||
2863 | F.GlobalToLocalDeclIDs[&F] = LocalBaseDeclID; | |||
2864 | ||||
2865 | DeclsLoaded.resize(DeclsLoaded.size() + F.LocalNumDecls); | |||
2866 | } | |||
2867 | break; | |||
2868 | } | |||
2869 | ||||
2870 | case TU_UPDATE_LEXICAL: { | |||
2871 | DeclContext *TU = ContextObj->getTranslationUnitDecl(); | |||
2872 | LexicalContents Contents( | |||
2873 | reinterpret_cast<const llvm::support::unaligned_uint32_t *>( | |||
2874 | Blob.data()), | |||
2875 | static_cast<unsigned int>(Blob.size() / 4)); | |||
2876 | TULexicalDecls.push_back(std::make_pair(&F, Contents)); | |||
2877 | TU->setHasExternalLexicalStorage(true); | |||
2878 | break; | |||
2879 | } | |||
2880 | ||||
2881 | case UPDATE_VISIBLE: { | |||
2882 | unsigned Idx = 0; | |||
2883 | serialization::DeclID ID = ReadDeclID(F, Record, Idx); | |||
2884 | auto *Data = (const unsigned char*)Blob.data(); | |||
2885 | PendingVisibleUpdates[ID].push_back(PendingVisibleUpdate{&F, Data}); | |||
2886 | // If we've already loaded the decl, perform the updates when we finish | |||
2887 | // loading this block. | |||
2888 | if (Decl *D = GetExistingDecl(ID)) | |||
2889 | PendingUpdateRecords.push_back( | |||
2890 | PendingUpdateRecord(ID, D, /*JustLoaded=*/false)); | |||
2891 | break; | |||
2892 | } | |||
2893 | ||||
2894 | case IDENTIFIER_TABLE: | |||
2895 | F.IdentifierTableData = Blob.data(); | |||
2896 | if (Record[0]) { | |||
2897 | F.IdentifierLookupTable = ASTIdentifierLookupTable::Create( | |||
2898 | (const unsigned char *)F.IdentifierTableData + Record[0], | |||
2899 | (const unsigned char *)F.IdentifierTableData + sizeof(uint32_t), | |||
2900 | (const unsigned char *)F.IdentifierTableData, | |||
2901 | ASTIdentifierLookupTrait(*this, F)); | |||
2902 | ||||
2903 | PP.getIdentifierTable().setExternalIdentifierLookup(this); | |||
2904 | } | |||
2905 | break; | |||
2906 | ||||
2907 | case IDENTIFIER_OFFSET: { | |||
2908 | if (F.LocalNumIdentifiers != 0) { | |||
2909 | Error("duplicate IDENTIFIER_OFFSET record in AST file"); | |||
2910 | return Failure; | |||
2911 | } | |||
2912 | F.IdentifierOffsets = (const uint32_t *)Blob.data(); | |||
2913 | F.LocalNumIdentifiers = Record[0]; | |||
2914 | unsigned LocalBaseIdentifierID = Record[1]; | |||
2915 | F.BaseIdentifierID = getTotalNumIdentifiers(); | |||
2916 | ||||
2917 | if (F.LocalNumIdentifiers > 0) { | |||
2918 | // Introduce the global -> local mapping for identifiers within this | |||
2919 | // module. | |||
2920 | GlobalIdentifierMap.insert(std::make_pair(getTotalNumIdentifiers() + 1, | |||
2921 | &F)); | |||
2922 | ||||
2923 | // Introduce the local -> global mapping for identifiers within this | |||
2924 | // module. | |||
2925 | F.IdentifierRemap.insertOrReplace( | |||
2926 | std::make_pair(LocalBaseIdentifierID, | |||
2927 | F.BaseIdentifierID - LocalBaseIdentifierID)); | |||
2928 | ||||
2929 | IdentifiersLoaded.resize(IdentifiersLoaded.size() | |||
2930 | + F.LocalNumIdentifiers); | |||
2931 | } | |||
2932 | break; | |||
2933 | } | |||
2934 | ||||
2935 | case INTERESTING_IDENTIFIERS: | |||
2936 | F.PreloadIdentifierOffsets.assign(Record.begin(), Record.end()); | |||
2937 | break; | |||
2938 | ||||
2939 | case EAGERLY_DESERIALIZED_DECLS: | |||
2940 | // FIXME: Skip reading this record if our ASTConsumer doesn't care | |||
2941 | // about "interesting" decls (for instance, if we're building a module). | |||
2942 | for (unsigned I = 0, N = Record.size(); I != N; ++I) | |||
2943 | EagerlyDeserializedDecls.push_back(getGlobalDeclID(F, Record[I])); | |||
2944 | break; | |||
2945 | ||||
2946 | case MODULAR_CODEGEN_DECLS: | |||
2947 | // FIXME: Skip reading this record if our ASTConsumer doesn't care about | |||
2948 | // them (ie: if we're not codegenerating this module). | |||
2949 | if (F.Kind == MK_MainFile) | |||
2950 | for (unsigned I = 0, N = Record.size(); I != N; ++I) | |||
2951 | EagerlyDeserializedDecls.push_back(getGlobalDeclID(F, Record[I])); | |||
2952 | break; | |||
2953 | ||||
2954 | case SPECIAL_TYPES: | |||
2955 | if (SpecialTypes.empty()) { | |||
2956 | for (unsigned I = 0, N = Record.size(); I != N; ++I) | |||
2957 | SpecialTypes.push_back(getGlobalTypeID(F, Record[I])); | |||
2958 | break; | |||
2959 | } | |||
2960 | ||||
2961 | if (SpecialTypes.size() != Record.size()) { | |||
2962 | Error("invalid special-types record"); | |||
2963 | return Failure; | |||
2964 | } | |||
2965 | ||||
2966 | for (unsigned I = 0, N = Record.size(); I != N; ++I) { | |||
2967 | serialization::TypeID ID = getGlobalTypeID(F, Record[I]); | |||
2968 | if (!SpecialTypes[I]) | |||
2969 | SpecialTypes[I] = ID; | |||
2970 | // FIXME: If ID && SpecialTypes[I] != ID, do we need a separate | |||
2971 | // merge step? | |||
2972 | } | |||
2973 | break; | |||
2974 | ||||
2975 | case STATISTICS: | |||
2976 | TotalNumStatements += Record[0]; | |||
2977 | TotalNumMacros += Record[1]; | |||
2978 | TotalLexicalDeclContexts += Record[2]; | |||
2979 | TotalVisibleDeclContexts += Record[3]; | |||
2980 | break; | |||
2981 | ||||
2982 | case UNUSED_FILESCOPED_DECLS: | |||
2983 | for (unsigned I = 0, N = Record.size(); I != N; ++I) | |||
2984 | UnusedFileScopedDecls.push_back(getGlobalDeclID(F, Record[I])); | |||
2985 | break; | |||
2986 | ||||
2987 | case DELEGATING_CTORS: | |||
2988 | for (unsigned I = 0, N = Record.size(); I != N; ++I) | |||
2989 | DelegatingCtorDecls.push_back(getGlobalDeclID(F, Record[I])); | |||
2990 | break; | |||
2991 | ||||
2992 | case WEAK_UNDECLARED_IDENTIFIERS: | |||
2993 | if (Record.size() % 4 != 0) { | |||
2994 | Error("invalid weak identifiers record"); | |||
2995 | return Failure; | |||
2996 | } | |||
2997 | ||||
2998 | // FIXME: Ignore weak undeclared identifiers from non-original PCH | |||
2999 | // files. This isn't the way to do it :) | |||
3000 | WeakUndeclaredIdentifiers.clear(); | |||
3001 | ||||
3002 | // Translate the weak, undeclared identifiers into global IDs. | |||
3003 | for (unsigned I = 0, N = Record.size(); I < N; /* in loop */) { | |||
3004 | WeakUndeclaredIdentifiers.push_back( | |||
3005 | getGlobalIdentifierID(F, Record[I++])); | |||
3006 | WeakUndeclaredIdentifiers.push_back( | |||
3007 | getGlobalIdentifierID(F, Record[I++])); | |||
3008 | WeakUndeclaredIdentifiers.push_back( | |||
3009 | ReadSourceLocation(F, Record, I).getRawEncoding()); | |||
3010 | WeakUndeclaredIdentifiers.push_back(Record[I++]); | |||
3011 | } | |||
3012 | break; | |||
3013 | ||||
3014 | case SELECTOR_OFFSETS: { | |||
3015 | F.SelectorOffsets = (const uint32_t *)Blob.data(); | |||
3016 | F.LocalNumSelectors = Record[0]; | |||
3017 | unsigned LocalBaseSelectorID = Record[1]; | |||
3018 | F.BaseSelectorID = getTotalNumSelectors(); | |||
3019 | ||||
3020 | if (F.LocalNumSelectors > 0) { | |||
3021 | // Introduce the global -> local mapping for selectors within this | |||
3022 | // module. | |||
3023 | GlobalSelectorMap.insert(std::make_pair(getTotalNumSelectors()+1, &F)); | |||
3024 | ||||
3025 | // Introduce the local -> global mapping for selectors within this | |||
3026 | // module. | |||
3027 | F.SelectorRemap.insertOrReplace( | |||
3028 | std::make_pair(LocalBaseSelectorID, | |||
3029 | F.BaseSelectorID - LocalBaseSelectorID)); | |||
3030 | ||||
3031 | SelectorsLoaded.resize(SelectorsLoaded.size() + F.LocalNumSelectors); | |||
3032 | } | |||
3033 | break; | |||
3034 | } | |||
3035 | ||||
3036 | case METHOD_POOL: | |||
3037 | F.SelectorLookupTableData = (const unsigned char *)Blob.data(); | |||
3038 | if (Record[0]) | |||
3039 | F.SelectorLookupTable | |||
3040 | = ASTSelectorLookupTable::Create( | |||
3041 | F.SelectorLookupTableData + Record[0], | |||
3042 | F.SelectorLookupTableData, | |||
3043 | ASTSelectorLookupTrait(*this, F)); | |||
3044 | TotalNumMethodPoolEntries += Record[1]; | |||
3045 | break; | |||
3046 | ||||
3047 | case REFERENCED_SELECTOR_POOL: | |||
3048 | if (!Record.empty()) { | |||
3049 | for (unsigned Idx = 0, N = Record.size() - 1; Idx < N; /* in loop */) { | |||
3050 | ReferencedSelectorsData.push_back(getGlobalSelectorID(F, | |||
3051 | Record[Idx++])); | |||
3052 | ReferencedSelectorsData.push_back(ReadSourceLocation(F, Record, Idx). | |||
3053 | getRawEncoding()); | |||
3054 | } | |||
3055 | } | |||
3056 | break; | |||
3057 | ||||
3058 | case PP_CONDITIONAL_STACK: | |||
3059 | if (!Record.empty()) { | |||
3060 | unsigned Idx = 0, End = Record.size() - 1; | |||
3061 | bool ReachedEOFWhileSkipping = Record[Idx++]; | |||
3062 | llvm::Optional<Preprocessor::PreambleSkipInfo> SkipInfo; | |||
3063 | if (ReachedEOFWhileSkipping) { | |||
3064 | SourceLocation HashToken = ReadSourceLocation(F, Record, Idx); | |||
3065 | SourceLocation IfTokenLoc = ReadSourceLocation(F, Record, Idx); | |||
3066 | bool FoundNonSkipPortion = Record[Idx++]; | |||
3067 | bool FoundElse = Record[Idx++]; | |||
3068 | SourceLocation ElseLoc = ReadSourceLocation(F, Record, Idx); | |||
3069 | SkipInfo.emplace(HashToken, IfTokenLoc, FoundNonSkipPortion, | |||
3070 | FoundElse, ElseLoc); | |||
3071 | } | |||
3072 | SmallVector<PPConditionalInfo, 4> ConditionalStack; | |||
3073 | while (Idx < End) { | |||
3074 | auto Loc = ReadSourceLocation(F, Record, Idx); | |||
3075 | bool WasSkipping = Record[Idx++]; | |||
3076 | bool FoundNonSkip = Record[Idx++]; | |||
3077 | bool FoundElse = Record[Idx++]; | |||
3078 | ConditionalStack.push_back( | |||
3079 | {Loc, WasSkipping, FoundNonSkip, FoundElse}); | |||
3080 | } | |||
3081 | PP.setReplayablePreambleConditionalStack(ConditionalStack, SkipInfo); | |||
3082 | } | |||
3083 | break; | |||
3084 | ||||
3085 | case PP_COUNTER_VALUE: | |||
3086 | if (!Record.empty() && Listener) | |||
3087 | Listener->ReadCounter(F, Record[0]); | |||
3088 | break; | |||
3089 | ||||
3090 | case FILE_SORTED_DECLS: | |||
3091 | F.FileSortedDecls = (const DeclID *)Blob.data(); | |||
3092 | F.NumFileSortedDecls = Record[0]; | |||
3093 | break; | |||
3094 | ||||
3095 | case SOURCE_LOCATION_OFFSETS: { | |||
3096 | F.SLocEntryOffsets = (const uint32_t *)Blob.data(); | |||
3097 | F.LocalNumSLocEntries = Record[0]; | |||
3098 | unsigned SLocSpaceSize = Record[1]; | |||
3099 | std::tie(F.SLocEntryBaseID, F.SLocEntryBaseOffset) = | |||
3100 | SourceMgr.AllocateLoadedSLocEntries(F.LocalNumSLocEntries, | |||
3101 | SLocSpaceSize); | |||
3102 | if (!F.SLocEntryBaseID) { | |||
3103 | Error("ran out of source locations"); | |||
3104 | break; | |||
3105 | } | |||
3106 | // Make our entry in the range map. BaseID is negative and growing, so | |||
3107 | // we invert it. Because we invert it, though, we need the other end of | |||
3108 | // the range. | |||
3109 | unsigned RangeStart = | |||
3110 | unsigned(-F.SLocEntryBaseID) - F.LocalNumSLocEntries + 1; | |||
3111 | GlobalSLocEntryMap.insert(std::make_pair(RangeStart, &F)); | |||
3112 | F.FirstLoc = SourceLocation::getFromRawEncoding(F.SLocEntryBaseOffset); | |||
3113 | ||||
3114 | // SLocEntryBaseOffset is lower than MaxLoadedOffset and decreasing. | |||
3115 | assert((F.SLocEntryBaseOffset & (1U << 31U)) == 0)(static_cast <bool> ((F.SLocEntryBaseOffset & (1U << 31U)) == 0) ? void (0) : __assert_fail ("(F.SLocEntryBaseOffset & (1U << 31U)) == 0" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 3115, __extension__ __PRETTY_FUNCTION__)); | |||
3116 | GlobalSLocOffsetMap.insert( | |||
3117 | std::make_pair(SourceManager::MaxLoadedOffset - F.SLocEntryBaseOffset | |||
3118 | - SLocSpaceSize,&F)); | |||
3119 | ||||
3120 | // Initialize the remapping table. | |||
3121 | // Invalid stays invalid. | |||
3122 | F.SLocRemap.insertOrReplace(std::make_pair(0U, 0)); | |||
3123 | // This module. Base was 2 when being compiled. | |||
3124 | F.SLocRemap.insertOrReplace(std::make_pair(2U, | |||
3125 | static_cast<int>(F.SLocEntryBaseOffset - 2))); | |||
3126 | ||||
3127 | TotalNumSLocEntries += F.LocalNumSLocEntries; | |||
3128 | break; | |||
3129 | } | |||
3130 | ||||
3131 | case MODULE_OFFSET_MAP: | |||
3132 | F.ModuleOffsetMap = Blob; | |||
3133 | break; | |||
3134 | ||||
3135 | case SOURCE_MANAGER_LINE_TABLE: | |||
3136 | if (ParseLineTable(F, Record)) | |||
3137 | return Failure; | |||
3138 | break; | |||
3139 | ||||
3140 | case SOURCE_LOCATION_PRELOADS: { | |||
3141 | // Need to transform from the local view (1-based IDs) to the global view, | |||
3142 | // which is based off F.SLocEntryBaseID. | |||
3143 | if (!F.PreloadSLocEntries.empty()) { | |||
3144 | Error("Multiple SOURCE_LOCATION_PRELOADS records in AST file"); | |||
3145 | return Failure; | |||
3146 | } | |||
3147 | ||||
3148 | F.PreloadSLocEntries.swap(Record); | |||
3149 | break; | |||
3150 | } | |||
3151 | ||||
3152 | case EXT_VECTOR_DECLS: | |||
3153 | for (unsigned I = 0, N = Record.size(); I != N; ++I) | |||
3154 | ExtVectorDecls.push_back(getGlobalDeclID(F, Record[I])); | |||
3155 | break; | |||
3156 | ||||
3157 | case VTABLE_USES: | |||
3158 | if (Record.size() % 3 != 0) { | |||
3159 | Error("Invalid VTABLE_USES record"); | |||
3160 | return Failure; | |||
3161 | } | |||
3162 | ||||
3163 | // Later tables overwrite earlier ones. | |||
3164 | // FIXME: Modules will have some trouble with this. This is clearly not | |||
3165 | // the right way to do this. | |||
3166 | VTableUses.clear(); | |||
3167 | ||||
3168 | for (unsigned Idx = 0, N = Record.size(); Idx != N; /* In loop */) { | |||
3169 | VTableUses.push_back(getGlobalDeclID(F, Record[Idx++])); | |||
3170 | VTableUses.push_back( | |||
3171 | ReadSourceLocation(F, Record, Idx).getRawEncoding()); | |||
3172 | VTableUses.push_back(Record[Idx++]); | |||
3173 | } | |||
3174 | break; | |||
3175 | ||||
3176 | case PENDING_IMPLICIT_INSTANTIATIONS: | |||
3177 | if (PendingInstantiations.size() % 2 != 0) { | |||
3178 | Error("Invalid existing PendingInstantiations"); | |||
3179 | return Failure; | |||
3180 | } | |||
3181 | ||||
3182 | if (Record.size() % 2 != 0) { | |||
3183 | Error("Invalid PENDING_IMPLICIT_INSTANTIATIONS block"); | |||
3184 | return Failure; | |||
3185 | } | |||
3186 | ||||
3187 | for (unsigned I = 0, N = Record.size(); I != N; /* in loop */) { | |||
3188 | PendingInstantiations.push_back(getGlobalDeclID(F, Record[I++])); | |||
3189 | PendingInstantiations.push_back( | |||
3190 | ReadSourceLocation(F, Record, I).getRawEncoding()); | |||
3191 | } | |||
3192 | break; | |||
3193 | ||||
3194 | case SEMA_DECL_REFS: | |||
3195 | if (Record.size() != 3) { | |||
3196 | Error("Invalid SEMA_DECL_REFS block"); | |||
3197 | return Failure; | |||
3198 | } | |||
3199 | for (unsigned I = 0, N = Record.size(); I != N; ++I) | |||
3200 | SemaDeclRefs.push_back(getGlobalDeclID(F, Record[I])); | |||
3201 | break; | |||
3202 | ||||
3203 | case PPD_ENTITIES_OFFSETS: { | |||
3204 | F.PreprocessedEntityOffsets = (const PPEntityOffset *)Blob.data(); | |||
3205 | assert(Blob.size() % sizeof(PPEntityOffset) == 0)(static_cast <bool> (Blob.size() % sizeof(PPEntityOffset ) == 0) ? void (0) : __assert_fail ("Blob.size() % sizeof(PPEntityOffset) == 0" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 3205, __extension__ __PRETTY_FUNCTION__)); | |||
3206 | F.NumPreprocessedEntities = Blob.size() / sizeof(PPEntityOffset); | |||
3207 | ||||
3208 | unsigned LocalBasePreprocessedEntityID = Record[0]; | |||
3209 | ||||
3210 | unsigned StartingID; | |||
3211 | if (!PP.getPreprocessingRecord()) | |||
3212 | PP.createPreprocessingRecord(); | |||
3213 | if (!PP.getPreprocessingRecord()->getExternalSource()) | |||
3214 | PP.getPreprocessingRecord()->SetExternalSource(*this); | |||
3215 | StartingID | |||
3216 | = PP.getPreprocessingRecord() | |||
3217 | ->allocateLoadedEntities(F.NumPreprocessedEntities); | |||
3218 | F.BasePreprocessedEntityID = StartingID; | |||
3219 | ||||
3220 | if (F.NumPreprocessedEntities > 0) { | |||
3221 | // Introduce the global -> local mapping for preprocessed entities in | |||
3222 | // this module. | |||
3223 | GlobalPreprocessedEntityMap.insert(std::make_pair(StartingID, &F)); | |||
3224 | ||||
3225 | // Introduce the local -> global mapping for preprocessed entities in | |||
3226 | // this module. | |||
3227 | F.PreprocessedEntityRemap.insertOrReplace( | |||
3228 | std::make_pair(LocalBasePreprocessedEntityID, | |||
3229 | F.BasePreprocessedEntityID - LocalBasePreprocessedEntityID)); | |||
3230 | } | |||
3231 | ||||
3232 | break; | |||
3233 | } | |||
3234 | ||||
3235 | case PPD_SKIPPED_RANGES: { | |||
3236 | F.PreprocessedSkippedRangeOffsets = (const PPSkippedRange*)Blob.data(); | |||
3237 | assert(Blob.size() % sizeof(PPSkippedRange) == 0)(static_cast <bool> (Blob.size() % sizeof(PPSkippedRange ) == 0) ? void (0) : __assert_fail ("Blob.size() % sizeof(PPSkippedRange) == 0" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 3237, __extension__ __PRETTY_FUNCTION__)); | |||
3238 | F.NumPreprocessedSkippedRanges = Blob.size() / sizeof(PPSkippedRange); | |||
3239 | ||||
3240 | if (!PP.getPreprocessingRecord()) | |||
3241 | PP.createPreprocessingRecord(); | |||
3242 | if (!PP.getPreprocessingRecord()->getExternalSource()) | |||
3243 | PP.getPreprocessingRecord()->SetExternalSource(*this); | |||
3244 | F.BasePreprocessedSkippedRangeID = PP.getPreprocessingRecord() | |||
3245 | ->allocateSkippedRanges(F.NumPreprocessedSkippedRanges); | |||
3246 | ||||
3247 | if (F.NumPreprocessedSkippedRanges > 0) | |||
3248 | GlobalSkippedRangeMap.insert( | |||
3249 | std::make_pair(F.BasePreprocessedSkippedRangeID, &F)); | |||
3250 | break; | |||
3251 | } | |||
3252 | ||||
3253 | case DECL_UPDATE_OFFSETS: | |||
3254 | if (Record.size() % 2 != 0) { | |||
3255 | Error("invalid DECL_UPDATE_OFFSETS block in AST file"); | |||
3256 | return Failure; | |||
3257 | } | |||
3258 | for (unsigned I = 0, N = Record.size(); I != N; I += 2) { | |||
3259 | GlobalDeclID ID = getGlobalDeclID(F, Record[I]); | |||
3260 | DeclUpdateOffsets[ID].push_back(std::make_pair(&F, Record[I + 1])); | |||
3261 | ||||
3262 | // If we've already loaded the decl, perform the updates when we finish | |||
3263 | // loading this block. | |||
3264 | if (Decl *D = GetExistingDecl(ID)) | |||
3265 | PendingUpdateRecords.push_back( | |||
3266 | PendingUpdateRecord(ID, D, /*JustLoaded=*/false)); | |||
3267 | } | |||
3268 | break; | |||
3269 | ||||
3270 | case OBJC_CATEGORIES_MAP: | |||
3271 | if (F.LocalNumObjCCategoriesInMap != 0) { | |||
3272 | Error("duplicate OBJC_CATEGORIES_MAP record in AST file"); | |||
3273 | return Failure; | |||
3274 | } | |||
3275 | ||||
3276 | F.LocalNumObjCCategoriesInMap = Record[0]; | |||
3277 | F.ObjCCategoriesMap = (const ObjCCategoriesInfo *)Blob.data(); | |||
3278 | break; | |||
3279 | ||||
3280 | case OBJC_CATEGORIES: | |||
3281 | F.ObjCCategories.swap(Record); | |||
3282 | break; | |||
3283 | ||||
3284 | case CUDA_SPECIAL_DECL_REFS: | |||
3285 | // Later tables overwrite earlier ones. | |||
3286 | // FIXME: Modules will have trouble with this. | |||
3287 | CUDASpecialDeclRefs.clear(); | |||
3288 | for (unsigned I = 0, N = Record.size(); I != N; ++I) | |||
3289 | CUDASpecialDeclRefs.push_back(getGlobalDeclID(F, Record[I])); | |||
3290 | break; | |||
3291 | ||||
3292 | case HEADER_SEARCH_TABLE: | |||
3293 | F.HeaderFileInfoTableData = Blob.data(); | |||
3294 | F.LocalNumHeaderFileInfos = Record[1]; | |||
3295 | if (Record[0]) { | |||
3296 | F.HeaderFileInfoTable | |||
3297 | = HeaderFileInfoLookupTable::Create( | |||
3298 | (const unsigned char *)F.HeaderFileInfoTableData + Record[0], | |||
3299 | (const unsigned char *)F.HeaderFileInfoTableData, | |||
3300 | HeaderFileInfoTrait(*this, F, | |||
3301 | &PP.getHeaderSearchInfo(), | |||
3302 | Blob.data() + Record[2])); | |||
3303 | ||||
3304 | PP.getHeaderSearchInfo().SetExternalSource(this); | |||
3305 | if (!PP.getHeaderSearchInfo().getExternalLookup()) | |||
3306 | PP.getHeaderSearchInfo().SetExternalLookup(this); | |||
3307 | } | |||
3308 | break; | |||
3309 | ||||
3310 | case FP_PRAGMA_OPTIONS: | |||
3311 | // Later tables overwrite earlier ones. | |||
3312 | FPPragmaOptions.swap(Record); | |||
3313 | break; | |||
3314 | ||||
3315 | case OPENCL_EXTENSIONS: | |||
3316 | for (unsigned I = 0, E = Record.size(); I != E; ) { | |||
3317 | auto Name = ReadString(Record, I); | |||
3318 | auto &Opt = OpenCLExtensions.OptMap[Name]; | |||
3319 | Opt.Supported = Record[I++] != 0; | |||
3320 | Opt.Enabled = Record[I++] != 0; | |||
3321 | Opt.Avail = Record[I++]; | |||
3322 | Opt.Core = Record[I++]; | |||
3323 | } | |||
3324 | break; | |||
3325 | ||||
3326 | case OPENCL_EXTENSION_TYPES: | |||
3327 | for (unsigned I = 0, E = Record.size(); I != E;) { | |||
3328 | auto TypeID = static_cast<::TypeID>(Record[I++]); | |||
3329 | auto *Type = GetType(TypeID).getTypePtr(); | |||
3330 | auto NumExt = static_cast<unsigned>(Record[I++]); | |||
3331 | for (unsigned II = 0; II != NumExt; ++II) { | |||
3332 | auto Ext = ReadString(Record, I); | |||
3333 | OpenCLTypeExtMap[Type].insert(Ext); | |||
3334 | } | |||
3335 | } | |||
3336 | break; | |||
3337 | ||||
3338 | case OPENCL_EXTENSION_DECLS: | |||
3339 | for (unsigned I = 0, E = Record.size(); I != E;) { | |||
3340 | auto DeclID = static_cast<::DeclID>(Record[I++]); | |||
3341 | auto *Decl = GetDecl(DeclID); | |||
3342 | auto NumExt = static_cast<unsigned>(Record[I++]); | |||
3343 | for (unsigned II = 0; II != NumExt; ++II) { | |||
3344 | auto Ext = ReadString(Record, I); | |||
3345 | OpenCLDeclExtMap[Decl].insert(Ext); | |||
3346 | } | |||
3347 | } | |||
3348 | break; | |||
3349 | ||||
3350 | case TENTATIVE_DEFINITIONS: | |||
3351 | for (unsigned I = 0, N = Record.size(); I != N; ++I) | |||
3352 | TentativeDefinitions.push_back(getGlobalDeclID(F, Record[I])); | |||
3353 | break; | |||
3354 | ||||
3355 | case KNOWN_NAMESPACES: | |||
3356 | for (unsigned I = 0, N = Record.size(); I != N; ++I) | |||
3357 | KnownNamespaces.push_back(getGlobalDeclID(F, Record[I])); | |||
3358 | break; | |||
3359 | ||||
3360 | case UNDEFINED_BUT_USED: | |||
3361 | if (UndefinedButUsed.size() % 2 != 0) { | |||
3362 | Error("Invalid existing UndefinedButUsed"); | |||
3363 | return Failure; | |||
3364 | } | |||
3365 | ||||
3366 | if (Record.size() % 2 != 0) { | |||
3367 | Error("invalid undefined-but-used record"); | |||
3368 | return Failure; | |||
3369 | } | |||
3370 | for (unsigned I = 0, N = Record.size(); I != N; /* in loop */) { | |||
3371 | UndefinedButUsed.push_back(getGlobalDeclID(F, Record[I++])); | |||
3372 | UndefinedButUsed.push_back( | |||
3373 | ReadSourceLocation(F, Record, I).getRawEncoding()); | |||
3374 | } | |||
3375 | break; | |||
3376 | ||||
3377 | case DELETE_EXPRS_TO_ANALYZE: | |||
3378 | for (unsigned I = 0, N = Record.size(); I != N;) { | |||
3379 | DelayedDeleteExprs.push_back(getGlobalDeclID(F, Record[I++])); | |||
3380 | const uint64_t Count = Record[I++]; | |||
3381 | DelayedDeleteExprs.push_back(Count); | |||
3382 | for (uint64_t C = 0; C < Count; ++C) { | |||
3383 | DelayedDeleteExprs.push_back(ReadSourceLocation(F, Record, I).getRawEncoding()); | |||
3384 | bool IsArrayForm = Record[I++] == 1; | |||
3385 | DelayedDeleteExprs.push_back(IsArrayForm); | |||
3386 | } | |||
3387 | } | |||
3388 | break; | |||
3389 | ||||
3390 | case IMPORTED_MODULES: | |||
3391 | if (!F.isModule()) { | |||
3392 | // If we aren't loading a module (which has its own exports), make | |||
3393 | // all of the imported modules visible. | |||
3394 | // FIXME: Deal with macros-only imports. | |||
3395 | for (unsigned I = 0, N = Record.size(); I != N; /**/) { | |||
3396 | unsigned GlobalID = getGlobalSubmoduleID(F, Record[I++]); | |||
3397 | SourceLocation Loc = ReadSourceLocation(F, Record, I); | |||
3398 | if (GlobalID) { | |||
3399 | ImportedModules.push_back(ImportedSubmodule(GlobalID, Loc)); | |||
3400 | if (DeserializationListener) | |||
3401 | DeserializationListener->ModuleImportRead(GlobalID, Loc); | |||
3402 | } | |||
3403 | } | |||
3404 | } | |||
3405 | break; | |||
3406 | ||||
3407 | case MACRO_OFFSET: { | |||
3408 | if (F.LocalNumMacros != 0) { | |||
3409 | Error("duplicate MACRO_OFFSET record in AST file"); | |||
3410 | return Failure; | |||
3411 | } | |||
3412 | F.MacroOffsets = (const uint32_t *)Blob.data(); | |||
3413 | F.LocalNumMacros = Record[0]; | |||
3414 | unsigned LocalBaseMacroID = Record[1]; | |||
3415 | F.BaseMacroID = getTotalNumMacros(); | |||
3416 | ||||
3417 | if (F.LocalNumMacros > 0) { | |||
3418 | // Introduce the global -> local mapping for macros within this module. | |||
3419 | GlobalMacroMap.insert(std::make_pair(getTotalNumMacros() + 1, &F)); | |||
3420 | ||||
3421 | // Introduce the local -> global mapping for macros within this module. | |||
3422 | F.MacroRemap.insertOrReplace( | |||
3423 | std::make_pair(LocalBaseMacroID, | |||
3424 | F.BaseMacroID - LocalBaseMacroID)); | |||
3425 | ||||
3426 | MacrosLoaded.resize(MacrosLoaded.size() + F.LocalNumMacros); | |||
3427 | } | |||
3428 | break; | |||
3429 | } | |||
3430 | ||||
3431 | case LATE_PARSED_TEMPLATE: | |||
3432 | LateParsedTemplates.append(Record.begin(), Record.end()); | |||
3433 | break; | |||
3434 | ||||
3435 | case OPTIMIZE_PRAGMA_OPTIONS: | |||
3436 | if (Record.size() != 1) { | |||
3437 | Error("invalid pragma optimize record"); | |||
3438 | return Failure; | |||
3439 | } | |||
3440 | OptimizeOffPragmaLocation = ReadSourceLocation(F, Record[0]); | |||
3441 | break; | |||
3442 | ||||
3443 | case MSSTRUCT_PRAGMA_OPTIONS: | |||
3444 | if (Record.size() != 1) { | |||
3445 | Error("invalid pragma ms_struct record"); | |||
3446 | return Failure; | |||
3447 | } | |||
3448 | PragmaMSStructState = Record[0]; | |||
3449 | break; | |||
3450 | ||||
3451 | case POINTERS_TO_MEMBERS_PRAGMA_OPTIONS: | |||
3452 | if (Record.size() != 2) { | |||
3453 | Error("invalid pragma ms_struct record"); | |||
3454 | return Failure; | |||
3455 | } | |||
3456 | PragmaMSPointersToMembersState = Record[0]; | |||
3457 | PointersToMembersPragmaLocation = ReadSourceLocation(F, Record[1]); | |||
3458 | break; | |||
3459 | ||||
3460 | case UNUSED_LOCAL_TYPEDEF_NAME_CANDIDATES: | |||
3461 | for (unsigned I = 0, N = Record.size(); I != N; ++I) | |||
3462 | UnusedLocalTypedefNameCandidates.push_back( | |||
3463 | getGlobalDeclID(F, Record[I])); | |||
3464 | break; | |||
3465 | ||||
3466 | case CUDA_PRAGMA_FORCE_HOST_DEVICE_DEPTH: | |||
3467 | if (Record.size() != 1) { | |||
3468 | Error("invalid cuda pragma options record"); | |||
3469 | return Failure; | |||
3470 | } | |||
3471 | ForceCUDAHostDeviceDepth = Record[0]; | |||
3472 | break; | |||
3473 | ||||
3474 | case PACK_PRAGMA_OPTIONS: { | |||
3475 | if (Record.size() < 3) { | |||
3476 | Error("invalid pragma pack record"); | |||
3477 | return Failure; | |||
3478 | } | |||
3479 | PragmaPackCurrentValue = Record[0]; | |||
3480 | PragmaPackCurrentLocation = ReadSourceLocation(F, Record[1]); | |||
3481 | unsigned NumStackEntries = Record[2]; | |||
3482 | unsigned Idx = 3; | |||
3483 | // Reset the stack when importing a new module. | |||
3484 | PragmaPackStack.clear(); | |||
3485 | for (unsigned I = 0; I < NumStackEntries; ++I) { | |||
3486 | PragmaPackStackEntry Entry; | |||
3487 | Entry.Value = Record[Idx++]; | |||
3488 | Entry.Location = ReadSourceLocation(F, Record[Idx++]); | |||
3489 | Entry.PushLocation = ReadSourceLocation(F, Record[Idx++]); | |||
3490 | PragmaPackStrings.push_back(ReadString(Record, Idx)); | |||
3491 | Entry.SlotLabel = PragmaPackStrings.back(); | |||
3492 | PragmaPackStack.push_back(Entry); | |||
3493 | } | |||
3494 | break; | |||
3495 | } | |||
3496 | } | |||
3497 | } | |||
3498 | } | |||
3499 | ||||
3500 | void ASTReader::ReadModuleOffsetMap(ModuleFile &F) const { | |||
3501 | assert(!F.ModuleOffsetMap.empty() && "no module offset map to read")(static_cast <bool> (!F.ModuleOffsetMap.empty() && "no module offset map to read") ? void (0) : __assert_fail ( "!F.ModuleOffsetMap.empty() && \"no module offset map to read\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 3501, __extension__ __PRETTY_FUNCTION__)); | |||
3502 | ||||
3503 | // Additional remapping information. | |||
3504 | const unsigned char *Data = (const unsigned char*)F.ModuleOffsetMap.data(); | |||
3505 | const unsigned char *DataEnd = Data + F.ModuleOffsetMap.size(); | |||
3506 | F.ModuleOffsetMap = StringRef(); | |||
3507 | ||||
3508 | // If we see this entry before SOURCE_LOCATION_OFFSETS, add placeholders. | |||
3509 | if (F.SLocRemap.find(0) == F.SLocRemap.end()) { | |||
3510 | F.SLocRemap.insert(std::make_pair(0U, 0)); | |||
3511 | F.SLocRemap.insert(std::make_pair(2U, 1)); | |||
3512 | } | |||
3513 | ||||
3514 | // Continuous range maps we may be updating in our module. | |||
3515 | using RemapBuilder = ContinuousRangeMap<uint32_t, int, 2>::Builder; | |||
3516 | RemapBuilder SLocRemap(F.SLocRemap); | |||
3517 | RemapBuilder IdentifierRemap(F.IdentifierRemap); | |||
3518 | RemapBuilder MacroRemap(F.MacroRemap); | |||
3519 | RemapBuilder PreprocessedEntityRemap(F.PreprocessedEntityRemap); | |||
3520 | RemapBuilder SubmoduleRemap(F.SubmoduleRemap); | |||
3521 | RemapBuilder SelectorRemap(F.SelectorRemap); | |||
3522 | RemapBuilder DeclRemap(F.DeclRemap); | |||
3523 | RemapBuilder TypeRemap(F.TypeRemap); | |||
3524 | ||||
3525 | while (Data < DataEnd) { | |||
3526 | // FIXME: Looking up dependency modules by filename is horrible. Let's | |||
3527 | // start fixing this with prebuilt and explicit modules and see how it | |||
3528 | // goes... | |||
3529 | using namespace llvm::support; | |||
3530 | ModuleKind Kind = static_cast<ModuleKind>( | |||
3531 | endian::readNext<uint8_t, little, unaligned>(Data)); | |||
3532 | uint16_t Len = endian::readNext<uint16_t, little, unaligned>(Data); | |||
3533 | StringRef Name = StringRef((const char*)Data, Len); | |||
3534 | Data += Len; | |||
3535 | ModuleFile *OM = (Kind == MK_PrebuiltModule || Kind == MK_ExplicitModule | |||
3536 | ? ModuleMgr.lookupByModuleName(Name) | |||
3537 | : ModuleMgr.lookupByFileName(Name)); | |||
3538 | if (!OM) { | |||
3539 | std::string Msg = | |||
3540 | "SourceLocation remap refers to unknown module, cannot find "; | |||
3541 | Msg.append(Name); | |||
3542 | Error(Msg); | |||
3543 | return; | |||
3544 | } | |||
3545 | ||||
3546 | uint32_t SLocOffset = | |||
3547 | endian::readNext<uint32_t, little, unaligned>(Data); | |||
3548 | uint32_t IdentifierIDOffset = | |||
3549 | endian::readNext<uint32_t, little, unaligned>(Data); | |||
3550 | uint32_t MacroIDOffset = | |||
3551 | endian::readNext<uint32_t, little, unaligned>(Data); | |||
3552 | uint32_t PreprocessedEntityIDOffset = | |||
3553 | endian::readNext<uint32_t, little, unaligned>(Data); | |||
3554 | uint32_t SubmoduleIDOffset = | |||
3555 | endian::readNext<uint32_t, little, unaligned>(Data); | |||
3556 | uint32_t SelectorIDOffset = | |||
3557 | endian::readNext<uint32_t, little, unaligned>(Data); | |||
3558 | uint32_t DeclIDOffset = | |||
3559 | endian::readNext<uint32_t, little, unaligned>(Data); | |||
3560 | uint32_t TypeIndexOffset = | |||
3561 | endian::readNext<uint32_t, little, unaligned>(Data); | |||
3562 | ||||
3563 | uint32_t None = std::numeric_limits<uint32_t>::max(); | |||
3564 | ||||
3565 | auto mapOffset = [&](uint32_t Offset, uint32_t BaseOffset, | |||
3566 | RemapBuilder &Remap) { | |||
3567 | if (Offset != None) | |||
3568 | Remap.insert(std::make_pair(Offset, | |||
3569 | static_cast<int>(BaseOffset - Offset))); | |||
3570 | }; | |||
3571 | mapOffset(SLocOffset, OM->SLocEntryBaseOffset, SLocRemap); | |||
3572 | mapOffset(IdentifierIDOffset, OM->BaseIdentifierID, IdentifierRemap); | |||
3573 | mapOffset(MacroIDOffset, OM->BaseMacroID, MacroRemap); | |||
3574 | mapOffset(PreprocessedEntityIDOffset, OM->BasePreprocessedEntityID, | |||
3575 | PreprocessedEntityRemap); | |||
3576 | mapOffset(SubmoduleIDOffset, OM->BaseSubmoduleID, SubmoduleRemap); | |||
3577 | mapOffset(SelectorIDOffset, OM->BaseSelectorID, SelectorRemap); | |||
3578 | mapOffset(DeclIDOffset, OM->BaseDeclID, DeclRemap); | |||
3579 | mapOffset(TypeIndexOffset, OM->BaseTypeIndex, TypeRemap); | |||
3580 | ||||
3581 | // Global -> local mappings. | |||
3582 | F.GlobalToLocalDeclIDs[OM] = DeclIDOffset; | |||
3583 | } | |||
3584 | } | |||
3585 | ||||
3586 | ASTReader::ASTReadResult | |||
3587 | ASTReader::ReadModuleMapFileBlock(RecordData &Record, ModuleFile &F, | |||
3588 | const ModuleFile *ImportedBy, | |||
3589 | unsigned ClientLoadCapabilities) { | |||
3590 | unsigned Idx = 0; | |||
3591 | F.ModuleMapPath = ReadPath(F, Record, Idx); | |||
3592 | ||||
3593 | // Try to resolve ModuleName in the current header search context and | |||
3594 | // verify that it is found in the same module map file as we saved. If the | |||
3595 | // top-level AST file is a main file, skip this check because there is no | |||
3596 | // usable header search context. | |||
3597 | assert(!F.ModuleName.empty() &&(static_cast <bool> (!F.ModuleName.empty() && "MODULE_NAME should come before MODULE_MAP_FILE" ) ? void (0) : __assert_fail ("!F.ModuleName.empty() && \"MODULE_NAME should come before MODULE_MAP_FILE\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 3598, __extension__ __PRETTY_FUNCTION__)) | |||
3598 | "MODULE_NAME should come before MODULE_MAP_FILE")(static_cast <bool> (!F.ModuleName.empty() && "MODULE_NAME should come before MODULE_MAP_FILE" ) ? void (0) : __assert_fail ("!F.ModuleName.empty() && \"MODULE_NAME should come before MODULE_MAP_FILE\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 3598, __extension__ __PRETTY_FUNCTION__)); | |||
3599 | if (F.Kind == MK_ImplicitModule && ModuleMgr.begin()->Kind != MK_MainFile) { | |||
3600 | // An implicitly-loaded module file should have its module listed in some | |||
3601 | // module map file that we've already loaded. | |||
3602 | Module *M = PP.getHeaderSearchInfo().lookupModule(F.ModuleName); | |||
3603 | auto &Map = PP.getHeaderSearchInfo().getModuleMap(); | |||
3604 | const FileEntry *ModMap = M ? Map.getModuleMapFileForUniquing(M) : nullptr; | |||
3605 | if (!ModMap) { | |||
3606 | assert(ImportedBy && "top-level import should be verified")(static_cast <bool> (ImportedBy && "top-level import should be verified" ) ? void (0) : __assert_fail ("ImportedBy && \"top-level import should be verified\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 3606, __extension__ __PRETTY_FUNCTION__)); | |||
3607 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) { | |||
3608 | if (auto *ASTFE = M ? M->getASTFile() : nullptr) { | |||
3609 | // This module was defined by an imported (explicit) module. | |||
3610 | Diag(diag::err_module_file_conflict) << F.ModuleName << F.FileName | |||
3611 | << ASTFE->getName(); | |||
3612 | } else { | |||
3613 | // This module was built with a different module map. | |||
3614 | Diag(diag::err_imported_module_not_found) | |||
3615 | << F.ModuleName << F.FileName << ImportedBy->FileName | |||
3616 | << F.ModuleMapPath; | |||
3617 | // In case it was imported by a PCH, there's a chance the user is | |||
3618 | // just missing to include the search path to the directory containing | |||
3619 | // the modulemap. | |||
3620 | if (ImportedBy->Kind == MK_PCH) | |||
3621 | Diag(diag::note_imported_by_pch_module_not_found) | |||
3622 | << llvm::sys::path::parent_path(F.ModuleMapPath); | |||
3623 | } | |||
3624 | } | |||
3625 | return OutOfDate; | |||
3626 | } | |||
3627 | ||||
3628 | assert(M->Name == F.ModuleName && "found module with different name")(static_cast <bool> (M->Name == F.ModuleName && "found module with different name") ? void (0) : __assert_fail ("M->Name == F.ModuleName && \"found module with different name\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 3628, __extension__ __PRETTY_FUNCTION__)); | |||
3629 | ||||
3630 | // Check the primary module map file. | |||
3631 | const FileEntry *StoredModMap = FileMgr.getFile(F.ModuleMapPath); | |||
3632 | if (StoredModMap == nullptr || StoredModMap != ModMap) { | |||
3633 | assert(ModMap && "found module is missing module map file")(static_cast <bool> (ModMap && "found module is missing module map file" ) ? void (0) : __assert_fail ("ModMap && \"found module is missing module map file\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 3633, __extension__ __PRETTY_FUNCTION__)); | |||
3634 | assert(ImportedBy && "top-level import should be verified")(static_cast <bool> (ImportedBy && "top-level import should be verified" ) ? void (0) : __assert_fail ("ImportedBy && \"top-level import should be verified\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 3634, __extension__ __PRETTY_FUNCTION__)); | |||
3635 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) | |||
3636 | Diag(diag::err_imported_module_modmap_changed) | |||
3637 | << F.ModuleName << ImportedBy->FileName | |||
3638 | << ModMap->getName() << F.ModuleMapPath; | |||
3639 | return OutOfDate; | |||
3640 | } | |||
3641 | ||||
3642 | llvm::SmallPtrSet<const FileEntry *, 1> AdditionalStoredMaps; | |||
3643 | for (unsigned I = 0, N = Record[Idx++]; I < N; ++I) { | |||
3644 | // FIXME: we should use input files rather than storing names. | |||
3645 | std::string Filename = ReadPath(F, Record, Idx); | |||
3646 | const FileEntry *F = | |||
3647 | FileMgr.getFile(Filename, false, false); | |||
3648 | if (F == nullptr) { | |||
3649 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) | |||
3650 | Error("could not find file '" + Filename +"' referenced by AST file"); | |||
3651 | return OutOfDate; | |||
3652 | } | |||
3653 | AdditionalStoredMaps.insert(F); | |||
3654 | } | |||
3655 | ||||
3656 | // Check any additional module map files (e.g. module.private.modulemap) | |||
3657 | // that are not in the pcm. | |||
3658 | if (auto *AdditionalModuleMaps = Map.getAdditionalModuleMapFiles(M)) { | |||
3659 | for (const FileEntry *ModMap : *AdditionalModuleMaps) { | |||
3660 | // Remove files that match | |||
3661 | // Note: SmallPtrSet::erase is really remove | |||
3662 | if (!AdditionalStoredMaps.erase(ModMap)) { | |||
3663 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) | |||
3664 | Diag(diag::err_module_different_modmap) | |||
3665 | << F.ModuleName << /*new*/0 << ModMap->getName(); | |||
3666 | return OutOfDate; | |||
3667 | } | |||
3668 | } | |||
3669 | } | |||
3670 | ||||
3671 | // Check any additional module map files that are in the pcm, but not | |||
3672 | // found in header search. Cases that match are already removed. | |||
3673 | for (const FileEntry *ModMap : AdditionalStoredMaps) { | |||
3674 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) | |||
3675 | Diag(diag::err_module_different_modmap) | |||
3676 | << F.ModuleName << /*not new*/1 << ModMap->getName(); | |||
3677 | return OutOfDate; | |||
3678 | } | |||
3679 | } | |||
3680 | ||||
3681 | if (Listener) | |||
3682 | Listener->ReadModuleMapFile(F.ModuleMapPath); | |||
3683 | return Success; | |||
3684 | } | |||
3685 | ||||
3686 | /// Move the given method to the back of the global list of methods. | |||
3687 | static void moveMethodToBackOfGlobalList(Sema &S, ObjCMethodDecl *Method) { | |||
3688 | // Find the entry for this selector in the method pool. | |||
3689 | Sema::GlobalMethodPool::iterator Known | |||
3690 | = S.MethodPool.find(Method->getSelector()); | |||
3691 | if (Known == S.MethodPool.end()) | |||
3692 | return; | |||
3693 | ||||
3694 | // Retrieve the appropriate method list. | |||
3695 | ObjCMethodList &Start = Method->isInstanceMethod()? Known->second.first | |||
3696 | : Known->second.second; | |||
3697 | bool Found = false; | |||
3698 | for (ObjCMethodList *List = &Start; List; List = List->getNext()) { | |||
3699 | if (!Found) { | |||
3700 | if (List->getMethod() == Method) { | |||
3701 | Found = true; | |||
3702 | } else { | |||
3703 | // Keep searching. | |||
3704 | continue; | |||
3705 | } | |||
3706 | } | |||
3707 | ||||
3708 | if (List->getNext()) | |||
3709 | List->setMethod(List->getNext()->getMethod()); | |||
3710 | else | |||
3711 | List->setMethod(Method); | |||
3712 | } | |||
3713 | } | |||
3714 | ||||
3715 | void ASTReader::makeNamesVisible(const HiddenNames &Names, Module *Owner) { | |||
3716 | assert(Owner->NameVisibility != Module::Hidden && "nothing to make visible?")(static_cast <bool> (Owner->NameVisibility != Module ::Hidden && "nothing to make visible?") ? void (0) : __assert_fail ("Owner->NameVisibility != Module::Hidden && \"nothing to make visible?\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 3716, __extension__ __PRETTY_FUNCTION__)); | |||
3717 | for (Decl *D : Names) { | |||
3718 | bool wasHidden = D->isHidden(); | |||
3719 | D->setVisibleDespiteOwningModule(); | |||
3720 | ||||
3721 | if (wasHidden && SemaObj) { | |||
3722 | if (ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(D)) { | |||
3723 | moveMethodToBackOfGlobalList(*SemaObj, Method); | |||
3724 | } | |||
3725 | } | |||
3726 | } | |||
3727 | } | |||
3728 | ||||
3729 | void ASTReader::makeModuleVisible(Module *Mod, | |||
3730 | Module::NameVisibilityKind NameVisibility, | |||
3731 | SourceLocation ImportLoc) { | |||
3732 | llvm::SmallPtrSet<Module *, 4> Visited; | |||
3733 | SmallVector<Module *, 4> Stack; | |||
3734 | Stack.push_back(Mod); | |||
3735 | while (!Stack.empty()) { | |||
3736 | Mod = Stack.pop_back_val(); | |||
3737 | ||||
3738 | if (NameVisibility <= Mod->NameVisibility) { | |||
3739 | // This module already has this level of visibility (or greater), so | |||
3740 | // there is nothing more to do. | |||
3741 | continue; | |||
3742 | } | |||
3743 | ||||
3744 | if (!Mod->isAvailable()) { | |||
3745 | // Modules that aren't available cannot be made visible. | |||
3746 | continue; | |||
3747 | } | |||
3748 | ||||
3749 | // Update the module's name visibility. | |||
3750 | Mod->NameVisibility = NameVisibility; | |||
3751 | ||||
3752 | // If we've already deserialized any names from this module, | |||
3753 | // mark them as visible. | |||
3754 | HiddenNamesMapType::iterator Hidden = HiddenNamesMap.find(Mod); | |||
3755 | if (Hidden != HiddenNamesMap.end()) { | |||
3756 | auto HiddenNames = std::move(*Hidden); | |||
3757 | HiddenNamesMap.erase(Hidden); | |||
3758 | makeNamesVisible(HiddenNames.second, HiddenNames.first); | |||
3759 | assert(HiddenNamesMap.find(Mod) == HiddenNamesMap.end() &&(static_cast <bool> (HiddenNamesMap.find(Mod) == HiddenNamesMap .end() && "making names visible added hidden names") ? void (0) : __assert_fail ("HiddenNamesMap.find(Mod) == HiddenNamesMap.end() && \"making names visible added hidden names\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 3760, __extension__ __PRETTY_FUNCTION__)) | |||
3760 | "making names visible added hidden names")(static_cast <bool> (HiddenNamesMap.find(Mod) == HiddenNamesMap .end() && "making names visible added hidden names") ? void (0) : __assert_fail ("HiddenNamesMap.find(Mod) == HiddenNamesMap.end() && \"making names visible added hidden names\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 3760, __extension__ __PRETTY_FUNCTION__)); | |||
3761 | } | |||
3762 | ||||
3763 | // Push any exported modules onto the stack to be marked as visible. | |||
3764 | SmallVector<Module *, 16> Exports; | |||
3765 | Mod->getExportedModules(Exports); | |||
3766 | for (SmallVectorImpl<Module *>::iterator | |||
3767 | I = Exports.begin(), E = Exports.end(); I != E; ++I) { | |||
3768 | Module *Exported = *I; | |||
3769 | if (Visited.insert(Exported).second) | |||
3770 | Stack.push_back(Exported); | |||
3771 | } | |||
3772 | } | |||
3773 | } | |||
3774 | ||||
3775 | /// We've merged the definition \p MergedDef into the existing definition | |||
3776 | /// \p Def. Ensure that \p Def is made visible whenever \p MergedDef is made | |||
3777 | /// visible. | |||
3778 | void ASTReader::mergeDefinitionVisibility(NamedDecl *Def, | |||
3779 | NamedDecl *MergedDef) { | |||
3780 | // FIXME: This doesn't correctly handle the case where MergedDef is visible | |||
3781 | // in modules other than its owning module. We should instead give the | |||
3782 | // ASTContext a list of merged definitions for Def. | |||
3783 | if (Def->isHidden()) { | |||
3784 | // If MergedDef is visible or becomes visible, make the definition visible. | |||
3785 | if (!MergedDef->isHidden()) | |||
3786 | Def->setVisibleDespiteOwningModule(); | |||
3787 | else if (getContext().getLangOpts().ModulesLocalVisibility) { | |||
3788 | getContext().mergeDefinitionIntoModule( | |||
3789 | Def, MergedDef->getImportedOwningModule(), | |||
3790 | /*NotifyListeners*/ false); | |||
3791 | PendingMergedDefinitionsToDeduplicate.insert(Def); | |||
3792 | } else { | |||
3793 | auto SubmoduleID = MergedDef->getOwningModuleID(); | |||
3794 | assert(SubmoduleID && "hidden definition in no module")(static_cast <bool> (SubmoduleID && "hidden definition in no module" ) ? void (0) : __assert_fail ("SubmoduleID && \"hidden definition in no module\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 3794, __extension__ __PRETTY_FUNCTION__)); | |||
3795 | HiddenNamesMap[getSubmodule(SubmoduleID)].push_back(Def); | |||
3796 | } | |||
3797 | } | |||
3798 | } | |||
3799 | ||||
3800 | bool ASTReader::loadGlobalIndex() { | |||
3801 | if (GlobalIndex) | |||
3802 | return false; | |||
3803 | ||||
3804 | if (TriedLoadingGlobalIndex || !UseGlobalIndex || | |||
3805 | !PP.getLangOpts().Modules) | |||
3806 | return true; | |||
3807 | ||||
3808 | // Try to load the global index. | |||
3809 | TriedLoadingGlobalIndex = true; | |||
3810 | StringRef ModuleCachePath | |||
3811 | = getPreprocessor().getHeaderSearchInfo().getModuleCachePath(); | |||
3812 | std::pair<GlobalModuleIndex *, GlobalModuleIndex::ErrorCode> Result | |||
3813 | = GlobalModuleIndex::readIndex(ModuleCachePath); | |||
3814 | if (!Result.first) | |||
3815 | return true; | |||
3816 | ||||
3817 | GlobalIndex.reset(Result.first); | |||
3818 | ModuleMgr.setGlobalIndex(GlobalIndex.get()); | |||
3819 | return false; | |||
3820 | } | |||
3821 | ||||
3822 | bool ASTReader::isGlobalIndexUnavailable() const { | |||
3823 | return PP.getLangOpts().Modules && UseGlobalIndex && | |||
3824 | !hasGlobalIndex() && TriedLoadingGlobalIndex; | |||
3825 | } | |||
3826 | ||||
3827 | static void updateModuleTimestamp(ModuleFile &MF) { | |||
3828 | // Overwrite the timestamp file contents so that file's mtime changes. | |||
3829 | std::string TimestampFilename = MF.getTimestampFilename(); | |||
3830 | std::error_code EC; | |||
3831 | llvm::raw_fd_ostream OS(TimestampFilename, EC, llvm::sys::fs::F_Text); | |||
3832 | if (EC) | |||
3833 | return; | |||
3834 | OS << "Timestamp file\n"; | |||
3835 | OS.close(); | |||
3836 | OS.clear_error(); // Avoid triggering a fatal error. | |||
3837 | } | |||
3838 | ||||
3839 | /// Given a cursor at the start of an AST file, scan ahead and drop the | |||
3840 | /// cursor into the start of the given block ID, returning false on success and | |||
3841 | /// true on failure. | |||
3842 | static bool SkipCursorToBlock(BitstreamCursor &Cursor, unsigned BlockID) { | |||
3843 | while (true) { | |||
3844 | llvm::BitstreamEntry Entry = Cursor.advance(); | |||
3845 | switch (Entry.Kind) { | |||
3846 | case llvm::BitstreamEntry::Error: | |||
3847 | case llvm::BitstreamEntry::EndBlock: | |||
3848 | return true; | |||
3849 | ||||
3850 | case llvm::BitstreamEntry::Record: | |||
3851 | // Ignore top-level records. | |||
3852 | Cursor.skipRecord(Entry.ID); | |||
3853 | break; | |||
3854 | ||||
3855 | case llvm::BitstreamEntry::SubBlock: | |||
3856 | if (Entry.ID == BlockID) { | |||
3857 | if (Cursor.EnterSubBlock(BlockID)) | |||
3858 | return true; | |||
3859 | // Found it! | |||
3860 | return false; | |||
3861 | } | |||
3862 | ||||
3863 | if (Cursor.SkipBlock()) | |||
3864 | return true; | |||
3865 | } | |||
3866 | } | |||
3867 | } | |||
3868 | ||||
3869 | ASTReader::ASTReadResult ASTReader::ReadAST(StringRef FileName, | |||
3870 | ModuleKind Type, | |||
3871 | SourceLocation ImportLoc, | |||
3872 | unsigned ClientLoadCapabilities, | |||
3873 | SmallVectorImpl<ImportedSubmodule> *Imported) { | |||
3874 | llvm::SaveAndRestore<SourceLocation> | |||
3875 | SetCurImportLocRAII(CurrentImportLoc, ImportLoc); | |||
3876 | ||||
3877 | // Defer any pending actions until we get to the end of reading the AST file. | |||
3878 | Deserializing AnASTFile(this); | |||
3879 | ||||
3880 | // Bump the generation number. | |||
3881 | unsigned PreviousGeneration = 0; | |||
3882 | if (ContextObj) | |||
3883 | PreviousGeneration = incrementGeneration(*ContextObj); | |||
3884 | ||||
3885 | unsigned NumModules = ModuleMgr.size(); | |||
3886 | SmallVector<ImportedModule, 4> Loaded; | |||
3887 | switch (ASTReadResult ReadResult = | |||
3888 | ReadASTCore(FileName, Type, ImportLoc, | |||
3889 | /*ImportedBy=*/nullptr, Loaded, 0, 0, | |||
3890 | ASTFileSignature(), ClientLoadCapabilities)) { | |||
3891 | case Failure: | |||
3892 | case Missing: | |||
3893 | case OutOfDate: | |||
3894 | case VersionMismatch: | |||
3895 | case ConfigurationMismatch: | |||
3896 | case HadErrors: { | |||
3897 | llvm::SmallPtrSet<ModuleFile *, 4> LoadedSet; | |||
3898 | for (const ImportedModule &IM : Loaded) | |||
3899 | LoadedSet.insert(IM.Mod); | |||
3900 | ||||
3901 | ModuleMgr.removeModules(ModuleMgr.begin() + NumModules, LoadedSet, | |||
3902 | PP.getLangOpts().Modules | |||
3903 | ? &PP.getHeaderSearchInfo().getModuleMap() | |||
3904 | : nullptr); | |||
3905 | ||||
3906 | // If we find that any modules are unusable, the global index is going | |||
3907 | // to be out-of-date. Just remove it. | |||
3908 | GlobalIndex.reset(); | |||
3909 | ModuleMgr.setGlobalIndex(nullptr); | |||
3910 | return ReadResult; | |||
3911 | } | |||
3912 | case Success: | |||
3913 | break; | |||
3914 | } | |||
3915 | ||||
3916 | // Here comes stuff that we only do once the entire chain is loaded. | |||
3917 | ||||
3918 | // Load the AST blocks of all of the modules that we loaded. | |||
3919 | for (SmallVectorImpl<ImportedModule>::iterator M = Loaded.begin(), | |||
3920 | MEnd = Loaded.end(); | |||
3921 | M != MEnd; ++M) { | |||
3922 | ModuleFile &F = *M->Mod; | |||
3923 | ||||
3924 | // Read the AST block. | |||
3925 | if (ASTReadResult Result = ReadASTBlock(F, ClientLoadCapabilities)) | |||
3926 | return Result; | |||
3927 | ||||
3928 | // Read the extension blocks. | |||
3929 | while (!SkipCursorToBlock(F.Stream, EXTENSION_BLOCK_ID)) { | |||
3930 | if (ASTReadResult Result = ReadExtensionBlock(F)) | |||
3931 | return Result; | |||
3932 | } | |||
3933 | ||||
3934 | // Once read, set the ModuleFile bit base offset and update the size in | |||
3935 | // bits of all files we've seen. | |||
3936 | F.GlobalBitOffset = TotalModulesSizeInBits; | |||
3937 | TotalModulesSizeInBits += F.SizeInBits; | |||
3938 | GlobalBitOffsetsMap.insert(std::make_pair(F.GlobalBitOffset, &F)); | |||
3939 | ||||
3940 | // Preload SLocEntries. | |||
3941 | for (unsigned I = 0, N = F.PreloadSLocEntries.size(); I != N; ++I) { | |||
3942 | int Index = int(F.PreloadSLocEntries[I] - 1) + F.SLocEntryBaseID; | |||
3943 | // Load it through the SourceManager and don't call ReadSLocEntry() | |||
3944 | // directly because the entry may have already been loaded in which case | |||
3945 | // calling ReadSLocEntry() directly would trigger an assertion in | |||
3946 | // SourceManager. | |||
3947 | SourceMgr.getLoadedSLocEntryByID(Index); | |||
3948 | } | |||
3949 | ||||
3950 | // Map the original source file ID into the ID space of the current | |||
3951 | // compilation. | |||
3952 | if (F.OriginalSourceFileID.isValid()) { | |||
3953 | F.OriginalSourceFileID = FileID::get( | |||
3954 | F.SLocEntryBaseID + F.OriginalSourceFileID.getOpaqueValue() - 1); | |||
3955 | } | |||
3956 | ||||
3957 | // Preload all the pending interesting identifiers by marking them out of | |||
3958 | // date. | |||
3959 | for (auto Offset : F.PreloadIdentifierOffsets) { | |||
3960 | const unsigned char *Data = reinterpret_cast<const unsigned char *>( | |||
3961 | F.IdentifierTableData + Offset); | |||
3962 | ||||
3963 | ASTIdentifierLookupTrait Trait(*this, F); | |||
3964 | auto KeyDataLen = Trait.ReadKeyDataLength(Data); | |||
3965 | auto Key = Trait.ReadKey(Data, KeyDataLen.first); | |||
3966 | auto &II = PP.getIdentifierTable().getOwn(Key); | |||
3967 | II.setOutOfDate(true); | |||
3968 | ||||
3969 | // Mark this identifier as being from an AST file so that we can track | |||
3970 | // whether we need to serialize it. | |||
3971 | markIdentifierFromAST(*this, II); | |||
3972 | ||||
3973 | // Associate the ID with the identifier so that the writer can reuse it. | |||
3974 | auto ID = Trait.ReadIdentifierID(Data + KeyDataLen.first); | |||
3975 | SetIdentifierInfo(ID, &II); | |||
3976 | } | |||
3977 | } | |||
3978 | ||||
3979 | // Setup the import locations and notify the module manager that we've | |||
3980 | // committed to these module files. | |||
3981 | for (SmallVectorImpl<ImportedModule>::iterator M = Loaded.begin(), | |||
3982 | MEnd = Loaded.end(); | |||
3983 | M != MEnd; ++M) { | |||
3984 | ModuleFile &F = *M->Mod; | |||
3985 | ||||
3986 | ModuleMgr.moduleFileAccepted(&F); | |||
3987 | ||||
3988 | // Set the import location. | |||
3989 | F.DirectImportLoc = ImportLoc; | |||
3990 | // FIXME: We assume that locations from PCH / preamble do not need | |||
3991 | // any translation. | |||
3992 | if (!M->ImportedBy) | |||
3993 | F.ImportLoc = M->ImportLoc; | |||
3994 | else | |||
3995 | F.ImportLoc = TranslateSourceLocation(*M->ImportedBy, M->ImportLoc); | |||
3996 | } | |||
3997 | ||||
3998 | if (!PP.getLangOpts().CPlusPlus || | |||
3999 | (Type != MK_ImplicitModule && Type != MK_ExplicitModule && | |||
4000 | Type != MK_PrebuiltModule)) { | |||
4001 | // Mark all of the identifiers in the identifier table as being out of date, | |||
4002 | // so that various accessors know to check the loaded modules when the | |||
4003 | // identifier is used. | |||
4004 | // | |||
4005 | // For C++ modules, we don't need information on many identifiers (just | |||
4006 | // those that provide macros or are poisoned), so we mark all of | |||
4007 | // the interesting ones via PreloadIdentifierOffsets. | |||
4008 | for (IdentifierTable::iterator Id = PP.getIdentifierTable().begin(), | |||
4009 | IdEnd = PP.getIdentifierTable().end(); | |||
4010 | Id != IdEnd; ++Id) | |||
4011 | Id->second->setOutOfDate(true); | |||
4012 | } | |||
4013 | // Mark selectors as out of date. | |||
4014 | for (auto Sel : SelectorGeneration) | |||
4015 | SelectorOutOfDate[Sel.first] = true; | |||
4016 | ||||
4017 | // Resolve any unresolved module exports. | |||
4018 | for (unsigned I = 0, N = UnresolvedModuleRefs.size(); I != N; ++I) { | |||
4019 | UnresolvedModuleRef &Unresolved = UnresolvedModuleRefs[I]; | |||
4020 | SubmoduleID GlobalID = getGlobalSubmoduleID(*Unresolved.File,Unresolved.ID); | |||
4021 | Module *ResolvedMod = getSubmodule(GlobalID); | |||
4022 | ||||
4023 | switch (Unresolved.Kind) { | |||
4024 | case UnresolvedModuleRef::Conflict: | |||
4025 | if (ResolvedMod) { | |||
4026 | Module::Conflict Conflict; | |||
4027 | Conflict.Other = ResolvedMod; | |||
4028 | Conflict.Message = Unresolved.String.str(); | |||
4029 | Unresolved.Mod->Conflicts.push_back(Conflict); | |||
4030 | } | |||
4031 | continue; | |||
4032 | ||||
4033 | case UnresolvedModuleRef::Import: | |||
4034 | if (ResolvedMod) | |||
4035 | Unresolved.Mod->Imports.insert(ResolvedMod); | |||
4036 | continue; | |||
4037 | ||||
4038 | case UnresolvedModuleRef::Export: | |||
4039 | if (ResolvedMod || Unresolved.IsWildcard) | |||
4040 | Unresolved.Mod->Exports.push_back( | |||
4041 | Module::ExportDecl(ResolvedMod, Unresolved.IsWildcard)); | |||
4042 | continue; | |||
4043 | } | |||
4044 | } | |||
4045 | UnresolvedModuleRefs.clear(); | |||
4046 | ||||
4047 | if (Imported) | |||
4048 | Imported->append(ImportedModules.begin(), | |||
4049 | ImportedModules.end()); | |||
4050 | ||||
4051 | // FIXME: How do we load the 'use'd modules? They may not be submodules. | |||
4052 | // Might be unnecessary as use declarations are only used to build the | |||
4053 | // module itself. | |||
4054 | ||||
4055 | if (ContextObj) | |||
4056 | InitializeContext(); | |||
4057 | ||||
4058 | if (SemaObj) | |||
4059 | UpdateSema(); | |||
4060 | ||||
4061 | if (DeserializationListener) | |||
4062 | DeserializationListener->ReaderInitialized(this); | |||
4063 | ||||
4064 | ModuleFile &PrimaryModule = ModuleMgr.getPrimaryModule(); | |||
4065 | if (PrimaryModule.OriginalSourceFileID.isValid()) { | |||
4066 | // If this AST file is a precompiled preamble, then set the | |||
4067 | // preamble file ID of the source manager to the file source file | |||
4068 | // from which the preamble was built. | |||
4069 | if (Type == MK_Preamble) { | |||
4070 | SourceMgr.setPreambleFileID(PrimaryModule.OriginalSourceFileID); | |||
4071 | } else if (Type == MK_MainFile) { | |||
4072 | SourceMgr.setMainFileID(PrimaryModule.OriginalSourceFileID); | |||
4073 | } | |||
4074 | } | |||
4075 | ||||
4076 | // For any Objective-C class definitions we have already loaded, make sure | |||
4077 | // that we load any additional categories. | |||
4078 | if (ContextObj) { | |||
4079 | for (unsigned I = 0, N = ObjCClassesLoaded.size(); I != N; ++I) { | |||
4080 | loadObjCCategories(ObjCClassesLoaded[I]->getGlobalID(), | |||
4081 | ObjCClassesLoaded[I], | |||
4082 | PreviousGeneration); | |||
4083 | } | |||
4084 | } | |||
4085 | ||||
4086 | if (PP.getHeaderSearchInfo() | |||
4087 | .getHeaderSearchOpts() | |||
4088 | .ModulesValidateOncePerBuildSession) { | |||
4089 | // Now we are certain that the module and all modules it depends on are | |||
4090 | // up to date. Create or update timestamp files for modules that are | |||
4091 | // located in the module cache (not for PCH files that could be anywhere | |||
4092 | // in the filesystem). | |||
4093 | for (unsigned I = 0, N = Loaded.size(); I != N; ++I) { | |||
4094 | ImportedModule &M = Loaded[I]; | |||
4095 | if (M.Mod->Kind == MK_ImplicitModule) { | |||
4096 | updateModuleTimestamp(*M.Mod); | |||
4097 | } | |||
4098 | } | |||
4099 | } | |||
4100 | ||||
4101 | return Success; | |||
4102 | } | |||
4103 | ||||
4104 | static ASTFileSignature readASTFileSignature(StringRef PCH); | |||
4105 | ||||
4106 | /// Whether \p Stream starts with the AST/PCH file magic number 'CPCH'. | |||
4107 | static bool startsWithASTFileMagic(BitstreamCursor &Stream) { | |||
4108 | return Stream.canSkipToPos(4) && | |||
4109 | Stream.Read(8) == 'C' && | |||
4110 | Stream.Read(8) == 'P' && | |||
4111 | Stream.Read(8) == 'C' && | |||
4112 | Stream.Read(8) == 'H'; | |||
4113 | } | |||
4114 | ||||
4115 | static unsigned moduleKindForDiagnostic(ModuleKind Kind) { | |||
4116 | switch (Kind) { | |||
4117 | case MK_PCH: | |||
4118 | return 0; // PCH | |||
4119 | case MK_ImplicitModule: | |||
4120 | case MK_ExplicitModule: | |||
4121 | case MK_PrebuiltModule: | |||
4122 | return 1; // module | |||
4123 | case MK_MainFile: | |||
4124 | case MK_Preamble: | |||
4125 | return 2; // main source file | |||
4126 | } | |||
4127 | llvm_unreachable("unknown module kind")::llvm::llvm_unreachable_internal("unknown module kind", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 4127); | |||
4128 | } | |||
4129 | ||||
4130 | ASTReader::ASTReadResult | |||
4131 | ASTReader::ReadASTCore(StringRef FileName, | |||
4132 | ModuleKind Type, | |||
4133 | SourceLocation ImportLoc, | |||
4134 | ModuleFile *ImportedBy, | |||
4135 | SmallVectorImpl<ImportedModule> &Loaded, | |||
4136 | off_t ExpectedSize, time_t ExpectedModTime, | |||
4137 | ASTFileSignature ExpectedSignature, | |||
4138 | unsigned ClientLoadCapabilities) { | |||
4139 | ModuleFile *M; | |||
4140 | std::string ErrorStr; | |||
4141 | ModuleManager::AddModuleResult AddResult | |||
4142 | = ModuleMgr.addModule(FileName, Type, ImportLoc, ImportedBy, | |||
4143 | getGeneration(), ExpectedSize, ExpectedModTime, | |||
4144 | ExpectedSignature, readASTFileSignature, | |||
4145 | M, ErrorStr); | |||
4146 | ||||
4147 | switch (AddResult) { | |||
4148 | case ModuleManager::AlreadyLoaded: | |||
4149 | return Success; | |||
4150 | ||||
4151 | case ModuleManager::NewlyLoaded: | |||
4152 | // Load module file below. | |||
4153 | break; | |||
4154 | ||||
4155 | case ModuleManager::Missing: | |||
4156 | // The module file was missing; if the client can handle that, return | |||
4157 | // it. | |||
4158 | if (ClientLoadCapabilities & ARR_Missing) | |||
4159 | return Missing; | |||
4160 | ||||
4161 | // Otherwise, return an error. | |||
4162 | Diag(diag::err_module_file_not_found) << moduleKindForDiagnostic(Type) | |||
4163 | << FileName << !ErrorStr.empty() | |||
4164 | << ErrorStr; | |||
4165 | return Failure; | |||
4166 | ||||
4167 | case ModuleManager::OutOfDate: | |||
4168 | // We couldn't load the module file because it is out-of-date. If the | |||
4169 | // client can handle out-of-date, return it. | |||
4170 | if (ClientLoadCapabilities & ARR_OutOfDate) | |||
4171 | return OutOfDate; | |||
4172 | ||||
4173 | // Otherwise, return an error. | |||
4174 | Diag(diag::err_module_file_out_of_date) << moduleKindForDiagnostic(Type) | |||
4175 | << FileName << !ErrorStr.empty() | |||
4176 | << ErrorStr; | |||
4177 | return Failure; | |||
4178 | } | |||
4179 | ||||
4180 | assert(M && "Missing module file")(static_cast <bool> (M && "Missing module file" ) ? void (0) : __assert_fail ("M && \"Missing module file\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 4180, __extension__ __PRETTY_FUNCTION__)); | |||
4181 | ||||
4182 | ModuleFile &F = *M; | |||
4183 | BitstreamCursor &Stream = F.Stream; | |||
4184 | Stream = BitstreamCursor(PCHContainerRdr.ExtractPCH(*F.Buffer)); | |||
4185 | F.SizeInBits = F.Buffer->getBufferSize() * 8; | |||
4186 | ||||
4187 | // Sniff for the signature. | |||
4188 | if (!startsWithASTFileMagic(Stream)) { | |||
4189 | Diag(diag::err_module_file_invalid) << moduleKindForDiagnostic(Type) | |||
4190 | << FileName; | |||
4191 | return Failure; | |||
4192 | } | |||
4193 | ||||
4194 | // This is used for compatibility with older PCH formats. | |||
4195 | bool HaveReadControlBlock = false; | |||
4196 | while (true) { | |||
4197 | llvm::BitstreamEntry Entry = Stream.advance(); | |||
4198 | ||||
4199 | switch (Entry.Kind) { | |||
4200 | case llvm::BitstreamEntry::Error: | |||
4201 | case llvm::BitstreamEntry::Record: | |||
4202 | case llvm::BitstreamEntry::EndBlock: | |||
4203 | Error("invalid record at top-level of AST file"); | |||
4204 | return Failure; | |||
4205 | ||||
4206 | case llvm::BitstreamEntry::SubBlock: | |||
4207 | break; | |||
4208 | } | |||
4209 | ||||
4210 | switch (Entry.ID) { | |||
4211 | case CONTROL_BLOCK_ID: | |||
4212 | HaveReadControlBlock = true; | |||
4213 | switch (ReadControlBlock(F, Loaded, ImportedBy, ClientLoadCapabilities)) { | |||
4214 | case Success: | |||
4215 | // Check that we didn't try to load a non-module AST file as a module. | |||
4216 | // | |||
4217 | // FIXME: Should we also perform the converse check? Loading a module as | |||
4218 | // a PCH file sort of works, but it's a bit wonky. | |||
4219 | if ((Type == MK_ImplicitModule || Type == MK_ExplicitModule || | |||
4220 | Type == MK_PrebuiltModule) && | |||
4221 | F.ModuleName.empty()) { | |||
4222 | auto Result = (Type == MK_ImplicitModule) ? OutOfDate : Failure; | |||
4223 | if (Result != OutOfDate || | |||
4224 | (ClientLoadCapabilities & ARR_OutOfDate) == 0) | |||
4225 | Diag(diag::err_module_file_not_module) << FileName; | |||
4226 | return Result; | |||
4227 | } | |||
4228 | break; | |||
4229 | ||||
4230 | case Failure: return Failure; | |||
4231 | case Missing: return Missing; | |||
4232 | case OutOfDate: return OutOfDate; | |||
4233 | case VersionMismatch: return VersionMismatch; | |||
4234 | case ConfigurationMismatch: return ConfigurationMismatch; | |||
4235 | case HadErrors: return HadErrors; | |||
4236 | } | |||
4237 | break; | |||
4238 | ||||
4239 | case AST_BLOCK_ID: | |||
4240 | if (!HaveReadControlBlock) { | |||
4241 | if ((ClientLoadCapabilities & ARR_VersionMismatch) == 0) | |||
4242 | Diag(diag::err_pch_version_too_old); | |||
4243 | return VersionMismatch; | |||
4244 | } | |||
4245 | ||||
4246 | // Record that we've loaded this module. | |||
4247 | Loaded.push_back(ImportedModule(M, ImportedBy, ImportLoc)); | |||
4248 | return Success; | |||
4249 | ||||
4250 | case UNHASHED_CONTROL_BLOCK_ID: | |||
4251 | // This block is handled using look-ahead during ReadControlBlock. We | |||
4252 | // shouldn't get here! | |||
4253 | Error("malformed block record in AST file"); | |||
4254 | return Failure; | |||
4255 | ||||
4256 | default: | |||
4257 | if (Stream.SkipBlock()) { | |||
4258 | Error("malformed block record in AST file"); | |||
4259 | return Failure; | |||
4260 | } | |||
4261 | break; | |||
4262 | } | |||
4263 | } | |||
4264 | ||||
4265 | return Success; | |||
4266 | } | |||
4267 | ||||
4268 | ASTReader::ASTReadResult | |||
4269 | ASTReader::readUnhashedControlBlock(ModuleFile &F, bool WasImportedBy, | |||
4270 | unsigned ClientLoadCapabilities) { | |||
4271 | const HeaderSearchOptions &HSOpts = | |||
4272 | PP.getHeaderSearchInfo().getHeaderSearchOpts(); | |||
4273 | bool AllowCompatibleConfigurationMismatch = | |||
4274 | F.Kind == MK_ExplicitModule || F.Kind == MK_PrebuiltModule; | |||
4275 | ||||
4276 | ASTReadResult Result = readUnhashedControlBlockImpl( | |||
4277 | &F, F.Data, ClientLoadCapabilities, AllowCompatibleConfigurationMismatch, | |||
4278 | Listener.get(), | |||
4279 | WasImportedBy ? false : HSOpts.ModulesValidateDiagnosticOptions); | |||
4280 | ||||
4281 | // If F was directly imported by another module, it's implicitly validated by | |||
4282 | // the importing module. | |||
4283 | if (DisableValidation || WasImportedBy || | |||
4284 | (AllowConfigurationMismatch && Result == ConfigurationMismatch)) | |||
4285 | return Success; | |||
4286 | ||||
4287 | if (Result == Failure) { | |||
4288 | Error("malformed block record in AST file"); | |||
4289 | return Failure; | |||
4290 | } | |||
4291 | ||||
4292 | if (Result == OutOfDate && F.Kind == MK_ImplicitModule) { | |||
4293 | // If this module has already been finalized in the PCMCache, we're stuck | |||
4294 | // with it; we can only load a single version of each module. | |||
4295 | // | |||
4296 | // This can happen when a module is imported in two contexts: in one, as a | |||
4297 | // user module; in another, as a system module (due to an import from | |||
4298 | // another module marked with the [system] flag). It usually indicates a | |||
4299 | // bug in the module map: this module should also be marked with [system]. | |||
4300 | // | |||
4301 | // If -Wno-system-headers (the default), and the first import is as a | |||
4302 | // system module, then validation will fail during the as-user import, | |||
4303 | // since -Werror flags won't have been validated. However, it's reasonable | |||
4304 | // to treat this consistently as a system module. | |||
4305 | // | |||
4306 | // If -Wsystem-headers, the PCM on disk was built with | |||
4307 | // -Wno-system-headers, and the first import is as a user module, then | |||
4308 | // validation will fail during the as-system import since the PCM on disk | |||
4309 | // doesn't guarantee that -Werror was respected. However, the -Werror | |||
4310 | // flags were checked during the initial as-user import. | |||
4311 | if (PCMCache.isBufferFinal(F.FileName)) { | |||
4312 | Diag(diag::warn_module_system_bit_conflict) << F.FileName; | |||
4313 | return Success; | |||
4314 | } | |||
4315 | } | |||
4316 | ||||
4317 | return Result; | |||
4318 | } | |||
4319 | ||||
4320 | ASTReader::ASTReadResult ASTReader::readUnhashedControlBlockImpl( | |||
4321 | ModuleFile *F, llvm::StringRef StreamData, unsigned ClientLoadCapabilities, | |||
4322 | bool AllowCompatibleConfigurationMismatch, ASTReaderListener *Listener, | |||
4323 | bool ValidateDiagnosticOptions) { | |||
4324 | // Initialize a stream. | |||
4325 | BitstreamCursor Stream(StreamData); | |||
4326 | ||||
4327 | // Sniff for the signature. | |||
4328 | if (!startsWithASTFileMagic(Stream)) | |||
4329 | return Failure; | |||
4330 | ||||
4331 | // Scan for the UNHASHED_CONTROL_BLOCK_ID block. | |||
4332 | if (SkipCursorToBlock(Stream, UNHASHED_CONTROL_BLOCK_ID)) | |||
4333 | return Failure; | |||
4334 | ||||
4335 | // Read all of the records in the options block. | |||
4336 | RecordData Record; | |||
4337 | ASTReadResult Result = Success; | |||
4338 | while (true) { | |||
4339 | llvm::BitstreamEntry Entry = Stream.advance(); | |||
4340 | ||||
4341 | switch (Entry.Kind) { | |||
4342 | case llvm::BitstreamEntry::Error: | |||
4343 | case llvm::BitstreamEntry::SubBlock: | |||
4344 | return Failure; | |||
4345 | ||||
4346 | case llvm::BitstreamEntry::EndBlock: | |||
4347 | return Result; | |||
4348 | ||||
4349 | case llvm::BitstreamEntry::Record: | |||
4350 | // The interesting case. | |||
4351 | break; | |||
4352 | } | |||
4353 | ||||
4354 | // Read and process a record. | |||
4355 | Record.clear(); | |||
4356 | switch ( | |||
4357 | (UnhashedControlBlockRecordTypes)Stream.readRecord(Entry.ID, Record)) { | |||
4358 | case SIGNATURE: | |||
4359 | if (F) | |||
4360 | std::copy(Record.begin(), Record.end(), F->Signature.data()); | |||
4361 | break; | |||
4362 | case DIAGNOSTIC_OPTIONS: { | |||
4363 | bool Complain = (ClientLoadCapabilities & ARR_OutOfDate) == 0; | |||
4364 | if (Listener && ValidateDiagnosticOptions && | |||
4365 | !AllowCompatibleConfigurationMismatch && | |||
4366 | ParseDiagnosticOptions(Record, Complain, *Listener)) | |||
4367 | Result = OutOfDate; // Don't return early. Read the signature. | |||
4368 | break; | |||
4369 | } | |||
4370 | case DIAG_PRAGMA_MAPPINGS: | |||
4371 | if (!F) | |||
4372 | break; | |||
4373 | if (F->PragmaDiagMappings.empty()) | |||
4374 | F->PragmaDiagMappings.swap(Record); | |||
4375 | else | |||
4376 | F->PragmaDiagMappings.insert(F->PragmaDiagMappings.end(), | |||
4377 | Record.begin(), Record.end()); | |||
4378 | break; | |||
4379 | } | |||
4380 | } | |||
4381 | } | |||
4382 | ||||
4383 | /// Parse a record and blob containing module file extension metadata. | |||
4384 | static bool parseModuleFileExtensionMetadata( | |||
4385 | const SmallVectorImpl<uint64_t> &Record, | |||
4386 | StringRef Blob, | |||
4387 | ModuleFileExtensionMetadata &Metadata) { | |||
4388 | if (Record.size() < 4) return true; | |||
4389 | ||||
4390 | Metadata.MajorVersion = Record[0]; | |||
4391 | Metadata.MinorVersion = Record[1]; | |||
4392 | ||||
4393 | unsigned BlockNameLen = Record[2]; | |||
4394 | unsigned UserInfoLen = Record[3]; | |||
4395 | ||||
4396 | if (BlockNameLen + UserInfoLen > Blob.size()) return true; | |||
4397 | ||||
4398 | Metadata.BlockName = std::string(Blob.data(), Blob.data() + BlockNameLen); | |||
4399 | Metadata.UserInfo = std::string(Blob.data() + BlockNameLen, | |||
4400 | Blob.data() + BlockNameLen + UserInfoLen); | |||
4401 | return false; | |||
4402 | } | |||
4403 | ||||
4404 | ASTReader::ASTReadResult ASTReader::ReadExtensionBlock(ModuleFile &F) { | |||
4405 | BitstreamCursor &Stream = F.Stream; | |||
4406 | ||||
4407 | RecordData Record; | |||
4408 | while (true) { | |||
4409 | llvm::BitstreamEntry Entry = Stream.advance(); | |||
4410 | switch (Entry.Kind) { | |||
4411 | case llvm::BitstreamEntry::SubBlock: | |||
4412 | if (Stream.SkipBlock()) | |||
4413 | return Failure; | |||
4414 | ||||
4415 | continue; | |||
4416 | ||||
4417 | case llvm::BitstreamEntry::EndBlock: | |||
4418 | return Success; | |||
4419 | ||||
4420 | case llvm::BitstreamEntry::Error: | |||
4421 | return HadErrors; | |||
4422 | ||||
4423 | case llvm::BitstreamEntry::Record: | |||
4424 | break; | |||
4425 | } | |||
4426 | ||||
4427 | Record.clear(); | |||
4428 | StringRef Blob; | |||
4429 | unsigned RecCode = Stream.readRecord(Entry.ID, Record, &Blob); | |||
4430 | switch (RecCode) { | |||
4431 | case EXTENSION_METADATA: { | |||
4432 | ModuleFileExtensionMetadata Metadata; | |||
4433 | if (parseModuleFileExtensionMetadata(Record, Blob, Metadata)) | |||
4434 | return Failure; | |||
4435 | ||||
4436 | // Find a module file extension with this block name. | |||
4437 | auto Known = ModuleFileExtensions.find(Metadata.BlockName); | |||
4438 | if (Known == ModuleFileExtensions.end()) break; | |||
4439 | ||||
4440 | // Form a reader. | |||
4441 | if (auto Reader = Known->second->createExtensionReader(Metadata, *this, | |||
4442 | F, Stream)) { | |||
4443 | F.ExtensionReaders.push_back(std::move(Reader)); | |||
4444 | } | |||
4445 | ||||
4446 | break; | |||
4447 | } | |||
4448 | } | |||
4449 | } | |||
4450 | ||||
4451 | return Success; | |||
4452 | } | |||
4453 | ||||
4454 | void ASTReader::InitializeContext() { | |||
4455 | assert(ContextObj && "no context to initialize")(static_cast <bool> (ContextObj && "no context to initialize" ) ? void (0) : __assert_fail ("ContextObj && \"no context to initialize\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 4455, __extension__ __PRETTY_FUNCTION__)); | |||
4456 | ASTContext &Context = *ContextObj; | |||
4457 | ||||
4458 | // If there's a listener, notify them that we "read" the translation unit. | |||
4459 | if (DeserializationListener) | |||
4460 | DeserializationListener->DeclRead(PREDEF_DECL_TRANSLATION_UNIT_ID, | |||
4461 | Context.getTranslationUnitDecl()); | |||
4462 | ||||
4463 | // FIXME: Find a better way to deal with collisions between these | |||
4464 | // built-in types. Right now, we just ignore the problem. | |||
4465 | ||||
4466 | // Load the special types. | |||
4467 | if (SpecialTypes.size() >= NumSpecialTypeIDs) { | |||
4468 | if (unsigned String = SpecialTypes[SPECIAL_TYPE_CF_CONSTANT_STRING]) { | |||
4469 | if (!Context.CFConstantStringTypeDecl) | |||
4470 | Context.setCFConstantStringType(GetType(String)); | |||
4471 | } | |||
4472 | ||||
4473 | if (unsigned File = SpecialTypes[SPECIAL_TYPE_FILE]) { | |||
4474 | QualType FileType = GetType(File); | |||
4475 | if (FileType.isNull()) { | |||
4476 | Error("FILE type is NULL"); | |||
4477 | return; | |||
4478 | } | |||
4479 | ||||
4480 | if (!Context.FILEDecl) { | |||
4481 | if (const TypedefType *Typedef = FileType->getAs<TypedefType>()) | |||
4482 | Context.setFILEDecl(Typedef->getDecl()); | |||
4483 | else { | |||
4484 | const TagType *Tag = FileType->getAs<TagType>(); | |||
4485 | if (!Tag) { | |||
4486 | Error("Invalid FILE type in AST file"); | |||
4487 | return; | |||
4488 | } | |||
4489 | Context.setFILEDecl(Tag->getDecl()); | |||
4490 | } | |||
4491 | } | |||
4492 | } | |||
4493 | ||||
4494 | if (unsigned Jmp_buf = SpecialTypes[SPECIAL_TYPE_JMP_BUF]) { | |||
4495 | QualType Jmp_bufType = GetType(Jmp_buf); | |||
4496 | if (Jmp_bufType.isNull()) { | |||
4497 | Error("jmp_buf type is NULL"); | |||
4498 | return; | |||
4499 | } | |||
4500 | ||||
4501 | if (!Context.jmp_bufDecl) { | |||
4502 | if (const TypedefType *Typedef = Jmp_bufType->getAs<TypedefType>()) | |||
4503 | Context.setjmp_bufDecl(Typedef->getDecl()); | |||
4504 | else { | |||
4505 | const TagType *Tag = Jmp_bufType->getAs<TagType>(); | |||
4506 | if (!Tag) { | |||
4507 | Error("Invalid jmp_buf type in AST file"); | |||
4508 | return; | |||
4509 | } | |||
4510 | Context.setjmp_bufDecl(Tag->getDecl()); | |||
4511 | } | |||
4512 | } | |||
4513 | } | |||
4514 | ||||
4515 | if (unsigned Sigjmp_buf = SpecialTypes[SPECIAL_TYPE_SIGJMP_BUF]) { | |||
4516 | QualType Sigjmp_bufType = GetType(Sigjmp_buf); | |||
4517 | if (Sigjmp_bufType.isNull()) { | |||
4518 | Error("sigjmp_buf type is NULL"); | |||
4519 | return; | |||
4520 | } | |||
4521 | ||||
4522 | if (!Context.sigjmp_bufDecl) { | |||
4523 | if (const TypedefType *Typedef = Sigjmp_bufType->getAs<TypedefType>()) | |||
4524 | Context.setsigjmp_bufDecl(Typedef->getDecl()); | |||
4525 | else { | |||
4526 | const TagType *Tag = Sigjmp_bufType->getAs<TagType>(); | |||
4527 | assert(Tag && "Invalid sigjmp_buf type in AST file")(static_cast <bool> (Tag && "Invalid sigjmp_buf type in AST file" ) ? void (0) : __assert_fail ("Tag && \"Invalid sigjmp_buf type in AST file\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 4527, __extension__ __PRETTY_FUNCTION__)); | |||
4528 | Context.setsigjmp_bufDecl(Tag->getDecl()); | |||
4529 | } | |||
4530 | } | |||
4531 | } | |||
4532 | ||||
4533 | if (unsigned ObjCIdRedef | |||
4534 | = SpecialTypes[SPECIAL_TYPE_OBJC_ID_REDEFINITION]) { | |||
4535 | if (Context.ObjCIdRedefinitionType.isNull()) | |||
4536 | Context.ObjCIdRedefinitionType = GetType(ObjCIdRedef); | |||
4537 | } | |||
4538 | ||||
4539 | if (unsigned ObjCClassRedef | |||
4540 | = SpecialTypes[SPECIAL_TYPE_OBJC_CLASS_REDEFINITION]) { | |||
4541 | if (Context.ObjCClassRedefinitionType.isNull()) | |||
4542 | Context.ObjCClassRedefinitionType = GetType(ObjCClassRedef); | |||
4543 | } | |||
4544 | ||||
4545 | if (unsigned ObjCSelRedef | |||
4546 | = SpecialTypes[SPECIAL_TYPE_OBJC_SEL_REDEFINITION]) { | |||
4547 | if (Context.ObjCSelRedefinitionType.isNull()) | |||
4548 | Context.ObjCSelRedefinitionType = GetType(ObjCSelRedef); | |||
4549 | } | |||
4550 | ||||
4551 | if (unsigned Ucontext_t = SpecialTypes[SPECIAL_TYPE_UCONTEXT_T]) { | |||
4552 | QualType Ucontext_tType = GetType(Ucontext_t); | |||
4553 | if (Ucontext_tType.isNull()) { | |||
4554 | Error("ucontext_t type is NULL"); | |||
4555 | return; | |||
4556 | } | |||
4557 | ||||
4558 | if (!Context.ucontext_tDecl) { | |||
4559 | if (const TypedefType *Typedef = Ucontext_tType->getAs<TypedefType>()) | |||
4560 | Context.setucontext_tDecl(Typedef->getDecl()); | |||
4561 | else { | |||
4562 | const TagType *Tag = Ucontext_tType->getAs<TagType>(); | |||
4563 | assert(Tag && "Invalid ucontext_t type in AST file")(static_cast <bool> (Tag && "Invalid ucontext_t type in AST file" ) ? void (0) : __assert_fail ("Tag && \"Invalid ucontext_t type in AST file\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 4563, __extension__ __PRETTY_FUNCTION__)); | |||
4564 | Context.setucontext_tDecl(Tag->getDecl()); | |||
4565 | } | |||
4566 | } | |||
4567 | } | |||
4568 | } | |||
4569 | ||||
4570 | ReadPragmaDiagnosticMappings(Context.getDiagnostics()); | |||
4571 | ||||
4572 | // If there were any CUDA special declarations, deserialize them. | |||
4573 | if (!CUDASpecialDeclRefs.empty()) { | |||
4574 | assert(CUDASpecialDeclRefs.size() == 1 && "More decl refs than expected!")(static_cast <bool> (CUDASpecialDeclRefs.size() == 1 && "More decl refs than expected!") ? void (0) : __assert_fail ( "CUDASpecialDeclRefs.size() == 1 && \"More decl refs than expected!\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 4574, __extension__ __PRETTY_FUNCTION__)); | |||
4575 | Context.setcudaConfigureCallDecl( | |||
4576 | cast<FunctionDecl>(GetDecl(CUDASpecialDeclRefs[0]))); | |||
4577 | } | |||
4578 | ||||
4579 | // Re-export any modules that were imported by a non-module AST file. | |||
4580 | // FIXME: This does not make macro-only imports visible again. | |||
4581 | for (auto &Import : ImportedModules) { | |||
4582 | if (Module *Imported = getSubmodule(Import.ID)) { | |||
4583 | makeModuleVisible(Imported, Module::AllVisible, | |||
4584 | /*ImportLoc=*/Import.ImportLoc); | |||
4585 | if (Import.ImportLoc.isValid()) | |||
4586 | PP.makeModuleVisible(Imported, Import.ImportLoc); | |||
4587 | // FIXME: should we tell Sema to make the module visible too? | |||
4588 | } | |||
4589 | } | |||
4590 | ImportedModules.clear(); | |||
4591 | } | |||
4592 | ||||
4593 | void ASTReader::finalizeForWriting() { | |||
4594 | // Nothing to do for now. | |||
4595 | } | |||
4596 | ||||
4597 | /// Reads and return the signature record from \p PCH's control block, or | |||
4598 | /// else returns 0. | |||
4599 | static ASTFileSignature readASTFileSignature(StringRef PCH) { | |||
4600 | BitstreamCursor Stream(PCH); | |||
4601 | if (!startsWithASTFileMagic(Stream)) | |||
4602 | return ASTFileSignature(); | |||
4603 | ||||
4604 | // Scan for the UNHASHED_CONTROL_BLOCK_ID block. | |||
4605 | if (SkipCursorToBlock(Stream, UNHASHED_CONTROL_BLOCK_ID)) | |||
4606 | return ASTFileSignature(); | |||
4607 | ||||
4608 | // Scan for SIGNATURE inside the diagnostic options block. | |||
4609 | ASTReader::RecordData Record; | |||
4610 | while (true) { | |||
4611 | llvm::BitstreamEntry Entry = Stream.advanceSkippingSubblocks(); | |||
4612 | if (Entry.Kind != llvm::BitstreamEntry::Record) | |||
4613 | return ASTFileSignature(); | |||
4614 | ||||
4615 | Record.clear(); | |||
4616 | StringRef Blob; | |||
4617 | if (SIGNATURE == Stream.readRecord(Entry.ID, Record, &Blob)) | |||
4618 | return {{{(uint32_t)Record[0], (uint32_t)Record[1], (uint32_t)Record[2], | |||
4619 | (uint32_t)Record[3], (uint32_t)Record[4]}}}; | |||
4620 | } | |||
4621 | } | |||
4622 | ||||
4623 | /// Retrieve the name of the original source file name | |||
4624 | /// directly from the AST file, without actually loading the AST | |||
4625 | /// file. | |||
4626 | std::string ASTReader::getOriginalSourceFile( | |||
4627 | const std::string &ASTFileName, FileManager &FileMgr, | |||
4628 | const PCHContainerReader &PCHContainerRdr, DiagnosticsEngine &Diags) { | |||
4629 | // Open the AST file. | |||
4630 | auto Buffer = FileMgr.getBufferForFile(ASTFileName); | |||
4631 | if (!Buffer) { | |||
4632 | Diags.Report(diag::err_fe_unable_to_read_pch_file) | |||
4633 | << ASTFileName << Buffer.getError().message(); | |||
4634 | return std::string(); | |||
4635 | } | |||
4636 | ||||
4637 | // Initialize the stream | |||
4638 | BitstreamCursor Stream(PCHContainerRdr.ExtractPCH(**Buffer)); | |||
4639 | ||||
4640 | // Sniff for the signature. | |||
4641 | if (!startsWithASTFileMagic(Stream)) { | |||
4642 | Diags.Report(diag::err_fe_not_a_pch_file) << ASTFileName; | |||
4643 | return std::string(); | |||
4644 | } | |||
4645 | ||||
4646 | // Scan for the CONTROL_BLOCK_ID block. | |||
4647 | if (SkipCursorToBlock(Stream, CONTROL_BLOCK_ID)) { | |||
4648 | Diags.Report(diag::err_fe_pch_malformed_block) << ASTFileName; | |||
4649 | return std::string(); | |||
4650 | } | |||
4651 | ||||
4652 | // Scan for ORIGINAL_FILE inside the control block. | |||
4653 | RecordData Record; | |||
4654 | while (true) { | |||
4655 | llvm::BitstreamEntry Entry = Stream.advanceSkippingSubblocks(); | |||
4656 | if (Entry.Kind == llvm::BitstreamEntry::EndBlock) | |||
4657 | return std::string(); | |||
4658 | ||||
4659 | if (Entry.Kind != llvm::BitstreamEntry::Record) { | |||
4660 | Diags.Report(diag::err_fe_pch_malformed_block) << ASTFileName; | |||
4661 | return std::string(); | |||
4662 | } | |||
4663 | ||||
4664 | Record.clear(); | |||
4665 | StringRef Blob; | |||
4666 | if (Stream.readRecord(Entry.ID, Record, &Blob) == ORIGINAL_FILE) | |||
4667 | return Blob.str(); | |||
4668 | } | |||
4669 | } | |||
4670 | ||||
4671 | namespace { | |||
4672 | ||||
4673 | class SimplePCHValidator : public ASTReaderListener { | |||
4674 | const LangOptions &ExistingLangOpts; | |||
4675 | const TargetOptions &ExistingTargetOpts; | |||
4676 | const PreprocessorOptions &ExistingPPOpts; | |||
4677 | std::string ExistingModuleCachePath; | |||
4678 | FileManager &FileMgr; | |||
4679 | ||||
4680 | public: | |||
4681 | SimplePCHValidator(const LangOptions &ExistingLangOpts, | |||
4682 | const TargetOptions &ExistingTargetOpts, | |||
4683 | const PreprocessorOptions &ExistingPPOpts, | |||
4684 | StringRef ExistingModuleCachePath, | |||
4685 | FileManager &FileMgr) | |||
4686 | : ExistingLangOpts(ExistingLangOpts), | |||
4687 | ExistingTargetOpts(ExistingTargetOpts), | |||
4688 | ExistingPPOpts(ExistingPPOpts), | |||
4689 | ExistingModuleCachePath(ExistingModuleCachePath), | |||
4690 | FileMgr(FileMgr) {} | |||
4691 | ||||
4692 | bool ReadLanguageOptions(const LangOptions &LangOpts, bool Complain, | |||
4693 | bool AllowCompatibleDifferences) override { | |||
4694 | return checkLanguageOptions(ExistingLangOpts, LangOpts, nullptr, | |||
4695 | AllowCompatibleDifferences); | |||
4696 | } | |||
4697 | ||||
4698 | bool ReadTargetOptions(const TargetOptions &TargetOpts, bool Complain, | |||
4699 | bool AllowCompatibleDifferences) override { | |||
4700 | return checkTargetOptions(ExistingTargetOpts, TargetOpts, nullptr, | |||
4701 | AllowCompatibleDifferences); | |||
4702 | } | |||
4703 | ||||
4704 | bool ReadHeaderSearchOptions(const HeaderSearchOptions &HSOpts, | |||
4705 | StringRef SpecificModuleCachePath, | |||
4706 | bool Complain) override { | |||
4707 | return checkHeaderSearchOptions(HSOpts, SpecificModuleCachePath, | |||
4708 | ExistingModuleCachePath, | |||
4709 | nullptr, ExistingLangOpts); | |||
4710 | } | |||
4711 | ||||
4712 | bool ReadPreprocessorOptions(const PreprocessorOptions &PPOpts, | |||
4713 | bool Complain, | |||
4714 | std::string &SuggestedPredefines) override { | |||
4715 | return checkPreprocessorOptions(ExistingPPOpts, PPOpts, nullptr, FileMgr, | |||
4716 | SuggestedPredefines, ExistingLangOpts); | |||
4717 | } | |||
4718 | }; | |||
4719 | ||||
4720 | } // namespace | |||
4721 | ||||
4722 | bool ASTReader::readASTFileControlBlock( | |||
4723 | StringRef Filename, FileManager &FileMgr, | |||
4724 | const PCHContainerReader &PCHContainerRdr, | |||
4725 | bool FindModuleFileExtensions, | |||
4726 | ASTReaderListener &Listener, bool ValidateDiagnosticOptions) { | |||
4727 | // Open the AST file. | |||
4728 | // FIXME: This allows use of the VFS; we do not allow use of the | |||
4729 | // VFS when actually loading a module. | |||
4730 | auto Buffer = FileMgr.getBufferForFile(Filename); | |||
4731 | if (!Buffer) { | |||
4732 | return true; | |||
4733 | } | |||
4734 | ||||
4735 | // Initialize the stream | |||
4736 | StringRef Bytes = PCHContainerRdr.ExtractPCH(**Buffer); | |||
4737 | BitstreamCursor Stream(Bytes); | |||
4738 | ||||
4739 | // Sniff for the signature. | |||
4740 | if (!startsWithASTFileMagic(Stream)) | |||
4741 | return true; | |||
4742 | ||||
4743 | // Scan for the CONTROL_BLOCK_ID block. | |||
4744 | if (SkipCursorToBlock(Stream, CONTROL_BLOCK_ID)) | |||
4745 | return true; | |||
4746 | ||||
4747 | bool NeedsInputFiles = Listener.needsInputFileVisitation(); | |||
4748 | bool NeedsSystemInputFiles = Listener.needsSystemInputFileVisitation(); | |||
4749 | bool NeedsImports = Listener.needsImportVisitation(); | |||
4750 | BitstreamCursor InputFilesCursor; | |||
4751 | ||||
4752 | RecordData Record; | |||
4753 | std::string ModuleDir; | |||
4754 | bool DoneWithControlBlock = false; | |||
4755 | while (!DoneWithControlBlock) { | |||
4756 | llvm::BitstreamEntry Entry = Stream.advance(); | |||
4757 | ||||
4758 | switch (Entry.Kind) { | |||
4759 | case llvm::BitstreamEntry::SubBlock: { | |||
4760 | switch (Entry.ID) { | |||
4761 | case OPTIONS_BLOCK_ID: { | |||
4762 | std::string IgnoredSuggestedPredefines; | |||
4763 | if (ReadOptionsBlock(Stream, ARR_ConfigurationMismatch | ARR_OutOfDate, | |||
4764 | /*AllowCompatibleConfigurationMismatch*/ false, | |||
4765 | Listener, IgnoredSuggestedPredefines) != Success) | |||
4766 | return true; | |||
4767 | break; | |||
4768 | } | |||
4769 | ||||
4770 | case INPUT_FILES_BLOCK_ID: | |||
4771 | InputFilesCursor = Stream; | |||
4772 | if (Stream.SkipBlock() || | |||
4773 | (NeedsInputFiles && | |||
4774 | ReadBlockAbbrevs(InputFilesCursor, INPUT_FILES_BLOCK_ID))) | |||
4775 | return true; | |||
4776 | break; | |||
4777 | ||||
4778 | default: | |||
4779 | if (Stream.SkipBlock()) | |||
4780 | return true; | |||
4781 | break; | |||
4782 | } | |||
4783 | ||||
4784 | continue; | |||
4785 | } | |||
4786 | ||||
4787 | case llvm::BitstreamEntry::EndBlock: | |||
4788 | DoneWithControlBlock = true; | |||
4789 | break; | |||
4790 | ||||
4791 | case llvm::BitstreamEntry::Error: | |||
4792 | return true; | |||
4793 | ||||
4794 | case llvm::BitstreamEntry::Record: | |||
4795 | break; | |||
4796 | } | |||
4797 | ||||
4798 | if (DoneWithControlBlock) break; | |||
4799 | ||||
4800 | Record.clear(); | |||
4801 | StringRef Blob; | |||
4802 | unsigned RecCode = Stream.readRecord(Entry.ID, Record, &Blob); | |||
4803 | switch ((ControlRecordTypes)RecCode) { | |||
4804 | case METADATA: | |||
4805 | if (Record[0] != VERSION_MAJOR) | |||
4806 | return true; | |||
4807 | if (Listener.ReadFullVersionInformation(Blob)) | |||
4808 | return true; | |||
4809 | break; | |||
4810 | case MODULE_NAME: | |||
4811 | Listener.ReadModuleName(Blob); | |||
4812 | break; | |||
4813 | case MODULE_DIRECTORY: | |||
4814 | ModuleDir = Blob; | |||
4815 | break; | |||
4816 | case MODULE_MAP_FILE: { | |||
4817 | unsigned Idx = 0; | |||
4818 | auto Path = ReadString(Record, Idx); | |||
4819 | ResolveImportedPath(Path, ModuleDir); | |||
4820 | Listener.ReadModuleMapFile(Path); | |||
4821 | break; | |||
4822 | } | |||
4823 | case INPUT_FILE_OFFSETS: { | |||
4824 | if (!NeedsInputFiles) | |||
4825 | break; | |||
4826 | ||||
4827 | unsigned NumInputFiles = Record[0]; | |||
4828 | unsigned NumUserFiles = Record[1]; | |||
4829 | const llvm::support::unaligned_uint64_t *InputFileOffs = | |||
4830 | (const llvm::support::unaligned_uint64_t *)Blob.data(); | |||
4831 | for (unsigned I = 0; I != NumInputFiles; ++I) { | |||
4832 | // Go find this input file. | |||
4833 | bool isSystemFile = I >= NumUserFiles; | |||
4834 | ||||
4835 | if (isSystemFile && !NeedsSystemInputFiles) | |||
4836 | break; // the rest are system input files | |||
4837 | ||||
4838 | BitstreamCursor &Cursor = InputFilesCursor; | |||
4839 | SavedStreamPosition SavedPosition(Cursor); | |||
4840 | Cursor.JumpToBit(InputFileOffs[I]); | |||
4841 | ||||
4842 | unsigned Code = Cursor.ReadCode(); | |||
4843 | RecordData Record; | |||
4844 | StringRef Blob; | |||
4845 | bool shouldContinue = false; | |||
4846 | switch ((InputFileRecordTypes)Cursor.readRecord(Code, Record, &Blob)) { | |||
4847 | case INPUT_FILE: | |||
4848 | bool Overridden = static_cast<bool>(Record[3]); | |||
4849 | std::string Filename = Blob; | |||
4850 | ResolveImportedPath(Filename, ModuleDir); | |||
4851 | shouldContinue = Listener.visitInputFile( | |||
4852 | Filename, isSystemFile, Overridden, /*IsExplicitModule*/false); | |||
4853 | break; | |||
4854 | } | |||
4855 | if (!shouldContinue) | |||
4856 | break; | |||
4857 | } | |||
4858 | break; | |||
4859 | } | |||
4860 | ||||
4861 | case IMPORTS: { | |||
4862 | if (!NeedsImports) | |||
4863 | break; | |||
4864 | ||||
4865 | unsigned Idx = 0, N = Record.size(); | |||
4866 | while (Idx < N) { | |||
4867 | // Read information about the AST file. | |||
4868 | Idx += 5; // ImportLoc, Size, ModTime, Signature | |||
4869 | SkipString(Record, Idx); // Module name; FIXME: pass to listener? | |||
4870 | std::string Filename = ReadString(Record, Idx); | |||
4871 | ResolveImportedPath(Filename, ModuleDir); | |||
4872 | Listener.visitImport(Filename); | |||
4873 | } | |||
4874 | break; | |||
4875 | } | |||
4876 | ||||
4877 | default: | |||
4878 | // No other validation to perform. | |||
4879 | break; | |||
4880 | } | |||
4881 | } | |||
4882 | ||||
4883 | // Look for module file extension blocks, if requested. | |||
4884 | if (FindModuleFileExtensions) { | |||
4885 | BitstreamCursor SavedStream = Stream; | |||
4886 | while (!SkipCursorToBlock(Stream, EXTENSION_BLOCK_ID)) { | |||
4887 | bool DoneWithExtensionBlock = false; | |||
4888 | while (!DoneWithExtensionBlock) { | |||
4889 | llvm::BitstreamEntry Entry = Stream.advance(); | |||
4890 | ||||
4891 | switch (Entry.Kind) { | |||
4892 | case llvm::BitstreamEntry::SubBlock: | |||
4893 | if (Stream.SkipBlock()) | |||
4894 | return true; | |||
4895 | ||||
4896 | continue; | |||
4897 | ||||
4898 | case llvm::BitstreamEntry::EndBlock: | |||
4899 | DoneWithExtensionBlock = true; | |||
4900 | continue; | |||
4901 | ||||
4902 | case llvm::BitstreamEntry::Error: | |||
4903 | return true; | |||
4904 | ||||
4905 | case llvm::BitstreamEntry::Record: | |||
4906 | break; | |||
4907 | } | |||
4908 | ||||
4909 | Record.clear(); | |||
4910 | StringRef Blob; | |||
4911 | unsigned RecCode = Stream.readRecord(Entry.ID, Record, &Blob); | |||
4912 | switch (RecCode) { | |||
4913 | case EXTENSION_METADATA: { | |||
4914 | ModuleFileExtensionMetadata Metadata; | |||
4915 | if (parseModuleFileExtensionMetadata(Record, Blob, Metadata)) | |||
4916 | return true; | |||
4917 | ||||
4918 | Listener.readModuleFileExtension(Metadata); | |||
4919 | break; | |||
4920 | } | |||
4921 | } | |||
4922 | } | |||
4923 | } | |||
4924 | Stream = SavedStream; | |||
4925 | } | |||
4926 | ||||
4927 | // Scan for the UNHASHED_CONTROL_BLOCK_ID block. | |||
4928 | if (readUnhashedControlBlockImpl( | |||
4929 | nullptr, Bytes, ARR_ConfigurationMismatch | ARR_OutOfDate, | |||
4930 | /*AllowCompatibleConfigurationMismatch*/ false, &Listener, | |||
4931 | ValidateDiagnosticOptions) != Success) | |||
4932 | return true; | |||
4933 | ||||
4934 | return false; | |||
4935 | } | |||
4936 | ||||
4937 | bool ASTReader::isAcceptableASTFile(StringRef Filename, FileManager &FileMgr, | |||
4938 | const PCHContainerReader &PCHContainerRdr, | |||
4939 | const LangOptions &LangOpts, | |||
4940 | const TargetOptions &TargetOpts, | |||
4941 | const PreprocessorOptions &PPOpts, | |||
4942 | StringRef ExistingModuleCachePath) { | |||
4943 | SimplePCHValidator validator(LangOpts, TargetOpts, PPOpts, | |||
4944 | ExistingModuleCachePath, FileMgr); | |||
4945 | return !readASTFileControlBlock(Filename, FileMgr, PCHContainerRdr, | |||
4946 | /*FindModuleFileExtensions=*/false, | |||
4947 | validator, | |||
4948 | /*ValidateDiagnosticOptions=*/true); | |||
4949 | } | |||
4950 | ||||
4951 | ASTReader::ASTReadResult | |||
4952 | ASTReader::ReadSubmoduleBlock(ModuleFile &F, unsigned ClientLoadCapabilities) { | |||
4953 | // Enter the submodule block. | |||
4954 | if (F.Stream.EnterSubBlock(SUBMODULE_BLOCK_ID)) { | |||
4955 | Error("malformed submodule block record in AST file"); | |||
4956 | return Failure; | |||
4957 | } | |||
4958 | ||||
4959 | ModuleMap &ModMap = PP.getHeaderSearchInfo().getModuleMap(); | |||
4960 | bool First = true; | |||
4961 | Module *CurrentModule = nullptr; | |||
4962 | RecordData Record; | |||
4963 | while (true) { | |||
4964 | llvm::BitstreamEntry Entry = F.Stream.advanceSkippingSubblocks(); | |||
4965 | ||||
4966 | switch (Entry.Kind) { | |||
4967 | case llvm::BitstreamEntry::SubBlock: // Handled for us already. | |||
4968 | case llvm::BitstreamEntry::Error: | |||
4969 | Error("malformed block record in AST file"); | |||
4970 | return Failure; | |||
4971 | case llvm::BitstreamEntry::EndBlock: | |||
4972 | return Success; | |||
4973 | case llvm::BitstreamEntry::Record: | |||
4974 | // The interesting case. | |||
4975 | break; | |||
4976 | } | |||
4977 | ||||
4978 | // Read a record. | |||
4979 | StringRef Blob; | |||
4980 | Record.clear(); | |||
4981 | auto Kind = F.Stream.readRecord(Entry.ID, Record, &Blob); | |||
4982 | ||||
4983 | if ((Kind == SUBMODULE_METADATA) != First) { | |||
4984 | Error("submodule metadata record should be at beginning of block"); | |||
4985 | return Failure; | |||
4986 | } | |||
4987 | First = false; | |||
4988 | ||||
4989 | // Submodule information is only valid if we have a current module. | |||
4990 | // FIXME: Should we error on these cases? | |||
4991 | if (!CurrentModule && Kind != SUBMODULE_METADATA && | |||
4992 | Kind != SUBMODULE_DEFINITION) | |||
4993 | continue; | |||
4994 | ||||
4995 | switch (Kind) { | |||
4996 | default: // Default behavior: ignore. | |||
4997 | break; | |||
4998 | ||||
4999 | case SUBMODULE_DEFINITION: { | |||
5000 | if (Record.size() < 12) { | |||
5001 | Error("malformed module definition"); | |||
5002 | return Failure; | |||
5003 | } | |||
5004 | ||||
5005 | StringRef Name = Blob; | |||
5006 | unsigned Idx = 0; | |||
5007 | SubmoduleID GlobalID = getGlobalSubmoduleID(F, Record[Idx++]); | |||
5008 | SubmoduleID Parent = getGlobalSubmoduleID(F, Record[Idx++]); | |||
5009 | Module::ModuleKind Kind = (Module::ModuleKind)Record[Idx++]; | |||
5010 | bool IsFramework = Record[Idx++]; | |||
5011 | bool IsExplicit = Record[Idx++]; | |||
5012 | bool IsSystem = Record[Idx++]; | |||
5013 | bool IsExternC = Record[Idx++]; | |||
5014 | bool InferSubmodules = Record[Idx++]; | |||
5015 | bool InferExplicitSubmodules = Record[Idx++]; | |||
5016 | bool InferExportWildcard = Record[Idx++]; | |||
5017 | bool ConfigMacrosExhaustive = Record[Idx++]; | |||
5018 | bool ModuleMapIsPrivate = Record[Idx++]; | |||
5019 | ||||
5020 | Module *ParentModule = nullptr; | |||
5021 | if (Parent) | |||
5022 | ParentModule = getSubmodule(Parent); | |||
5023 | ||||
5024 | // Retrieve this (sub)module from the module map, creating it if | |||
5025 | // necessary. | |||
5026 | CurrentModule = | |||
5027 | ModMap.findOrCreateModule(Name, ParentModule, IsFramework, IsExplicit) | |||
5028 | .first; | |||
5029 | ||||
5030 | // FIXME: set the definition loc for CurrentModule, or call | |||
5031 | // ModMap.setInferredModuleAllowedBy() | |||
5032 | ||||
5033 | SubmoduleID GlobalIndex = GlobalID - NUM_PREDEF_SUBMODULE_IDS; | |||
5034 | if (GlobalIndex >= SubmodulesLoaded.size() || | |||
5035 | SubmodulesLoaded[GlobalIndex]) { | |||
5036 | Error("too many submodules"); | |||
5037 | return Failure; | |||
5038 | } | |||
5039 | ||||
5040 | if (!ParentModule) { | |||
5041 | if (const FileEntry *CurFile = CurrentModule->getASTFile()) { | |||
5042 | if (CurFile != F.File) { | |||
5043 | if (!Diags.isDiagnosticInFlight()) { | |||
5044 | Diag(diag::err_module_file_conflict) | |||
5045 | << CurrentModule->getTopLevelModuleName() | |||
5046 | << CurFile->getName() | |||
5047 | << F.File->getName(); | |||
5048 | } | |||
5049 | return Failure; | |||
5050 | } | |||
5051 | } | |||
5052 | ||||
5053 | CurrentModule->setASTFile(F.File); | |||
5054 | CurrentModule->PresumedModuleMapFile = F.ModuleMapPath; | |||
5055 | } | |||
5056 | ||||
5057 | CurrentModule->Kind = Kind; | |||
5058 | CurrentModule->Signature = F.Signature; | |||
5059 | CurrentModule->IsFromModuleFile = true; | |||
5060 | CurrentModule->IsSystem = IsSystem || CurrentModule->IsSystem; | |||
5061 | CurrentModule->IsExternC = IsExternC; | |||
5062 | CurrentModule->InferSubmodules = InferSubmodules; | |||
5063 | CurrentModule->InferExplicitSubmodules = InferExplicitSubmodules; | |||
5064 | CurrentModule->InferExportWildcard = InferExportWildcard; | |||
5065 | CurrentModule->ConfigMacrosExhaustive = ConfigMacrosExhaustive; | |||
5066 | CurrentModule->ModuleMapIsPrivate = ModuleMapIsPrivate; | |||
5067 | if (DeserializationListener) | |||
5068 | DeserializationListener->ModuleRead(GlobalID, CurrentModule); | |||
5069 | ||||
5070 | SubmodulesLoaded[GlobalIndex] = CurrentModule; | |||
5071 | ||||
5072 | // Clear out data that will be replaced by what is in the module file. | |||
5073 | CurrentModule->LinkLibraries.clear(); | |||
5074 | CurrentModule->ConfigMacros.clear(); | |||
5075 | CurrentModule->UnresolvedConflicts.clear(); | |||
5076 | CurrentModule->Conflicts.clear(); | |||
5077 | ||||
5078 | // The module is available unless it's missing a requirement; relevant | |||
5079 | // requirements will be (re-)added by SUBMODULE_REQUIRES records. | |||
5080 | // Missing headers that were present when the module was built do not | |||
5081 | // make it unavailable -- if we got this far, this must be an explicitly | |||
5082 | // imported module file. | |||
5083 | CurrentModule->Requirements.clear(); | |||
5084 | CurrentModule->MissingHeaders.clear(); | |||
5085 | CurrentModule->IsMissingRequirement = | |||
5086 | ParentModule && ParentModule->IsMissingRequirement; | |||
5087 | CurrentModule->IsAvailable = !CurrentModule->IsMissingRequirement; | |||
5088 | break; | |||
5089 | } | |||
5090 | ||||
5091 | case SUBMODULE_UMBRELLA_HEADER: { | |||
5092 | std::string Filename = Blob; | |||
5093 | ResolveImportedPath(F, Filename); | |||
5094 | if (auto *Umbrella = PP.getFileManager().getFile(Filename)) { | |||
5095 | if (!CurrentModule->getUmbrellaHeader()) | |||
5096 | ModMap.setUmbrellaHeader(CurrentModule, Umbrella, Blob); | |||
5097 | else if (CurrentModule->getUmbrellaHeader().Entry != Umbrella) { | |||
5098 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) | |||
5099 | Error("mismatched umbrella headers in submodule"); | |||
5100 | return OutOfDate; | |||
5101 | } | |||
5102 | } | |||
5103 | break; | |||
5104 | } | |||
5105 | ||||
5106 | case SUBMODULE_HEADER: | |||
5107 | case SUBMODULE_EXCLUDED_HEADER: | |||
5108 | case SUBMODULE_PRIVATE_HEADER: | |||
5109 | // We lazily associate headers with their modules via the HeaderInfo table. | |||
5110 | // FIXME: Re-evaluate this section; maybe only store InputFile IDs instead | |||
5111 | // of complete filenames or remove it entirely. | |||
5112 | break; | |||
5113 | ||||
5114 | case SUBMODULE_TEXTUAL_HEADER: | |||
5115 | case SUBMODULE_PRIVATE_TEXTUAL_HEADER: | |||
5116 | // FIXME: Textual headers are not marked in the HeaderInfo table. Load | |||
5117 | // them here. | |||
5118 | break; | |||
5119 | ||||
5120 | case SUBMODULE_TOPHEADER: | |||
5121 | CurrentModule->addTopHeaderFilename(Blob); | |||
5122 | break; | |||
5123 | ||||
5124 | case SUBMODULE_UMBRELLA_DIR: { | |||
5125 | std::string Dirname = Blob; | |||
5126 | ResolveImportedPath(F, Dirname); | |||
5127 | if (auto *Umbrella = PP.getFileManager().getDirectory(Dirname)) { | |||
5128 | if (!CurrentModule->getUmbrellaDir()) | |||
5129 | ModMap.setUmbrellaDir(CurrentModule, Umbrella, Blob); | |||
5130 | else if (CurrentModule->getUmbrellaDir().Entry != Umbrella) { | |||
5131 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) | |||
5132 | Error("mismatched umbrella directories in submodule"); | |||
5133 | return OutOfDate; | |||
5134 | } | |||
5135 | } | |||
5136 | break; | |||
5137 | } | |||
5138 | ||||
5139 | case SUBMODULE_METADATA: { | |||
5140 | F.BaseSubmoduleID = getTotalNumSubmodules(); | |||
5141 | F.LocalNumSubmodules = Record[0]; | |||
5142 | unsigned LocalBaseSubmoduleID = Record[1]; | |||
5143 | if (F.LocalNumSubmodules > 0) { | |||
5144 | // Introduce the global -> local mapping for submodules within this | |||
5145 | // module. | |||
5146 | GlobalSubmoduleMap.insert(std::make_pair(getTotalNumSubmodules()+1,&F)); | |||
5147 | ||||
5148 | // Introduce the local -> global mapping for submodules within this | |||
5149 | // module. | |||
5150 | F.SubmoduleRemap.insertOrReplace( | |||
5151 | std::make_pair(LocalBaseSubmoduleID, | |||
5152 | F.BaseSubmoduleID - LocalBaseSubmoduleID)); | |||
5153 | ||||
5154 | SubmodulesLoaded.resize(SubmodulesLoaded.size() + F.LocalNumSubmodules); | |||
5155 | } | |||
5156 | break; | |||
5157 | } | |||
5158 | ||||
5159 | case SUBMODULE_IMPORTS: | |||
5160 | for (unsigned Idx = 0; Idx != Record.size(); ++Idx) { | |||
5161 | UnresolvedModuleRef Unresolved; | |||
5162 | Unresolved.File = &F; | |||
5163 | Unresolved.Mod = CurrentModule; | |||
5164 | Unresolved.ID = Record[Idx]; | |||
5165 | Unresolved.Kind = UnresolvedModuleRef::Import; | |||
5166 | Unresolved.IsWildcard = false; | |||
5167 | UnresolvedModuleRefs.push_back(Unresolved); | |||
5168 | } | |||
5169 | break; | |||
5170 | ||||
5171 | case SUBMODULE_EXPORTS: | |||
5172 | for (unsigned Idx = 0; Idx + 1 < Record.size(); Idx += 2) { | |||
5173 | UnresolvedModuleRef Unresolved; | |||
5174 | Unresolved.File = &F; | |||
5175 | Unresolved.Mod = CurrentModule; | |||
5176 | Unresolved.ID = Record[Idx]; | |||
5177 | Unresolved.Kind = UnresolvedModuleRef::Export; | |||
5178 | Unresolved.IsWildcard = Record[Idx + 1]; | |||
5179 | UnresolvedModuleRefs.push_back(Unresolved); | |||
5180 | } | |||
5181 | ||||
5182 | // Once we've loaded the set of exports, there's no reason to keep | |||
5183 | // the parsed, unresolved exports around. | |||
5184 | CurrentModule->UnresolvedExports.clear(); | |||
5185 | break; | |||
5186 | ||||
5187 | case SUBMODULE_REQUIRES: | |||
5188 | CurrentModule->addRequirement(Blob, Record[0], PP.getLangOpts(), | |||
5189 | PP.getTargetInfo()); | |||
5190 | break; | |||
5191 | ||||
5192 | case SUBMODULE_LINK_LIBRARY: | |||
5193 | ModMap.resolveLinkAsDependencies(CurrentModule); | |||
5194 | CurrentModule->LinkLibraries.push_back( | |||
5195 | Module::LinkLibrary(Blob, Record[0])); | |||
5196 | break; | |||
5197 | ||||
5198 | case SUBMODULE_CONFIG_MACRO: | |||
5199 | CurrentModule->ConfigMacros.push_back(Blob.str()); | |||
5200 | break; | |||
5201 | ||||
5202 | case SUBMODULE_CONFLICT: { | |||
5203 | UnresolvedModuleRef Unresolved; | |||
5204 | Unresolved.File = &F; | |||
5205 | Unresolved.Mod = CurrentModule; | |||
5206 | Unresolved.ID = Record[0]; | |||
5207 | Unresolved.Kind = UnresolvedModuleRef::Conflict; | |||
5208 | Unresolved.IsWildcard = false; | |||
5209 | Unresolved.String = Blob; | |||
5210 | UnresolvedModuleRefs.push_back(Unresolved); | |||
5211 | break; | |||
5212 | } | |||
5213 | ||||
5214 | case SUBMODULE_INITIALIZERS: { | |||
5215 | if (!ContextObj) | |||
5216 | break; | |||
5217 | SmallVector<uint32_t, 16> Inits; | |||
5218 | for (auto &ID : Record) | |||
5219 | Inits.push_back(getGlobalDeclID(F, ID)); | |||
5220 | ContextObj->addLazyModuleInitializers(CurrentModule, Inits); | |||
5221 | break; | |||
5222 | } | |||
5223 | ||||
5224 | case SUBMODULE_EXPORT_AS: | |||
5225 | CurrentModule->ExportAsModule = Blob.str(); | |||
5226 | ModMap.addLinkAsDependency(CurrentModule); | |||
5227 | break; | |||
5228 | } | |||
5229 | } | |||
5230 | } | |||
5231 | ||||
5232 | /// Parse the record that corresponds to a LangOptions data | |||
5233 | /// structure. | |||
5234 | /// | |||
5235 | /// This routine parses the language options from the AST file and then gives | |||
5236 | /// them to the AST listener if one is set. | |||
5237 | /// | |||
5238 | /// \returns true if the listener deems the file unacceptable, false otherwise. | |||
5239 | bool ASTReader::ParseLanguageOptions(const RecordData &Record, | |||
5240 | bool Complain, | |||
5241 | ASTReaderListener &Listener, | |||
5242 | bool AllowCompatibleDifferences) { | |||
5243 | LangOptions LangOpts; | |||
5244 | unsigned Idx = 0; | |||
5245 | #define LANGOPT(Name, Bits, Default, Description) \ | |||
5246 | LangOpts.Name = Record[Idx++]; | |||
5247 | #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ | |||
5248 | LangOpts.set##Name(static_cast<LangOptions::Type>(Record[Idx++])); | |||
5249 | #include "clang/Basic/LangOptions.def" | |||
5250 | #define SANITIZER(NAME, ID) \ | |||
5251 | LangOpts.Sanitize.set(SanitizerKind::ID, Record[Idx++]); | |||
5252 | #include "clang/Basic/Sanitizers.def" | |||
5253 | ||||
5254 | for (unsigned N = Record[Idx++]; N; --N) | |||
5255 | LangOpts.ModuleFeatures.push_back(ReadString(Record, Idx)); | |||
5256 | ||||
5257 | ObjCRuntime::Kind runtimeKind = (ObjCRuntime::Kind) Record[Idx++]; | |||
5258 | VersionTuple runtimeVersion = ReadVersionTuple(Record, Idx); | |||
5259 | LangOpts.ObjCRuntime = ObjCRuntime(runtimeKind, runtimeVersion); | |||
5260 | ||||
5261 | LangOpts.CurrentModule = ReadString(Record, Idx); | |||
5262 | ||||
5263 | // Comment options. | |||
5264 | for (unsigned N = Record[Idx++]; N; --N) { | |||
5265 | LangOpts.CommentOpts.BlockCommandNames.push_back( | |||
5266 | ReadString(Record, Idx)); | |||
5267 | } | |||
5268 | LangOpts.CommentOpts.ParseAllComments = Record[Idx++]; | |||
5269 | ||||
5270 | // OpenMP offloading options. | |||
5271 | for (unsigned N = Record[Idx++]; N; --N) { | |||
5272 | LangOpts.OMPTargetTriples.push_back(llvm::Triple(ReadString(Record, Idx))); | |||
5273 | } | |||
5274 | ||||
5275 | LangOpts.OMPHostIRFile = ReadString(Record, Idx); | |||
5276 | ||||
5277 | return Listener.ReadLanguageOptions(LangOpts, Complain, | |||
5278 | AllowCompatibleDifferences); | |||
5279 | } | |||
5280 | ||||
5281 | bool ASTReader::ParseTargetOptions(const RecordData &Record, bool Complain, | |||
5282 | ASTReaderListener &Listener, | |||
5283 | bool AllowCompatibleDifferences) { | |||
5284 | unsigned Idx = 0; | |||
5285 | TargetOptions TargetOpts; | |||
5286 | TargetOpts.Triple = ReadString(Record, Idx); | |||
5287 | TargetOpts.CPU = ReadString(Record, Idx); | |||
5288 | TargetOpts.ABI = ReadString(Record, Idx); | |||
5289 | for (unsigned N = Record[Idx++]; N; --N) { | |||
5290 | TargetOpts.FeaturesAsWritten.push_back(ReadString(Record, Idx)); | |||
5291 | } | |||
5292 | for (unsigned N = Record[Idx++]; N; --N) { | |||
5293 | TargetOpts.Features.push_back(ReadString(Record, Idx)); | |||
5294 | } | |||
5295 | ||||
5296 | return Listener.ReadTargetOptions(TargetOpts, Complain, | |||
5297 | AllowCompatibleDifferences); | |||
5298 | } | |||
5299 | ||||
5300 | bool ASTReader::ParseDiagnosticOptions(const RecordData &Record, bool Complain, | |||
5301 | ASTReaderListener &Listener) { | |||
5302 | IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts(new DiagnosticOptions); | |||
5303 | unsigned Idx = 0; | |||
5304 | #define DIAGOPT(Name, Bits, Default) DiagOpts->Name = Record[Idx++]; | |||
5305 | #define ENUM_DIAGOPT(Name, Type, Bits, Default) \ | |||
5306 | DiagOpts->set##Name(static_cast<Type>(Record[Idx++])); | |||
5307 | #include "clang/Basic/DiagnosticOptions.def" | |||
5308 | ||||
5309 | for (unsigned N = Record[Idx++]; N; --N) | |||
5310 | DiagOpts->Warnings.push_back(ReadString(Record, Idx)); | |||
5311 | for (unsigned N = Record[Idx++]; N; --N) | |||
5312 | DiagOpts->Remarks.push_back(ReadString(Record, Idx)); | |||
5313 | ||||
5314 | return Listener.ReadDiagnosticOptions(DiagOpts, Complain); | |||
5315 | } | |||
5316 | ||||
5317 | bool ASTReader::ParseFileSystemOptions(const RecordData &Record, bool Complain, | |||
5318 | ASTReaderListener &Listener) { | |||
5319 | FileSystemOptions FSOpts; | |||
5320 | unsigned Idx = 0; | |||
5321 | FSOpts.WorkingDir = ReadString(Record, Idx); | |||
5322 | return Listener.ReadFileSystemOptions(FSOpts, Complain); | |||
5323 | } | |||
5324 | ||||
5325 | bool ASTReader::ParseHeaderSearchOptions(const RecordData &Record, | |||
5326 | bool Complain, | |||
5327 | ASTReaderListener &Listener) { | |||
5328 | HeaderSearchOptions HSOpts; | |||
5329 | unsigned Idx = 0; | |||
5330 | HSOpts.Sysroot = ReadString(Record, Idx); | |||
5331 | ||||
5332 | // Include entries. | |||
5333 | for (unsigned N = Record[Idx++]; N; --N) { | |||
5334 | std::string Path = ReadString(Record, Idx); | |||
5335 | frontend::IncludeDirGroup Group | |||
5336 | = static_cast<frontend::IncludeDirGroup>(Record[Idx++]); | |||
5337 | bool IsFramework = Record[Idx++]; | |||
5338 | bool IgnoreSysRoot = Record[Idx++]; | |||
5339 | HSOpts.UserEntries.emplace_back(std::move(Path), Group, IsFramework, | |||
5340 | IgnoreSysRoot); | |||
5341 | } | |||
5342 | ||||
5343 | // System header prefixes. | |||
5344 | for (unsigned N = Record[Idx++]; N; --N) { | |||
5345 | std::string Prefix = ReadString(Record, Idx); | |||
5346 | bool IsSystemHeader = Record[Idx++]; | |||
5347 | HSOpts.SystemHeaderPrefixes.emplace_back(std::move(Prefix), IsSystemHeader); | |||
5348 | } | |||
5349 | ||||
5350 | HSOpts.ResourceDir = ReadString(Record, Idx); | |||
5351 | HSOpts.ModuleCachePath = ReadString(Record, Idx); | |||
5352 | HSOpts.ModuleUserBuildPath = ReadString(Record, Idx); | |||
5353 | HSOpts.DisableModuleHash = Record[Idx++]; | |||
5354 | HSOpts.ImplicitModuleMaps = Record[Idx++]; | |||
5355 | HSOpts.ModuleMapFileHomeIsCwd = Record[Idx++]; | |||
5356 | HSOpts.UseBuiltinIncludes = Record[Idx++]; | |||
5357 | HSOpts.UseStandardSystemIncludes = Record[Idx++]; | |||
5358 | HSOpts.UseStandardCXXIncludes = Record[Idx++]; | |||
5359 | HSOpts.UseLibcxx = Record[Idx++]; | |||
5360 | std::string SpecificModuleCachePath = ReadString(Record, Idx); | |||
5361 | ||||
5362 | return Listener.ReadHeaderSearchOptions(HSOpts, SpecificModuleCachePath, | |||
5363 | Complain); | |||
5364 | } | |||
5365 | ||||
5366 | bool ASTReader::ParsePreprocessorOptions(const RecordData &Record, | |||
5367 | bool Complain, | |||
5368 | ASTReaderListener &Listener, | |||
5369 | std::string &SuggestedPredefines) { | |||
5370 | PreprocessorOptions PPOpts; | |||
5371 | unsigned Idx = 0; | |||
5372 | ||||
5373 | // Macro definitions/undefs | |||
5374 | for (unsigned N = Record[Idx++]; N; --N) { | |||
5375 | std::string Macro = ReadString(Record, Idx); | |||
5376 | bool IsUndef = Record[Idx++]; | |||
5377 | PPOpts.Macros.push_back(std::make_pair(Macro, IsUndef)); | |||
5378 | } | |||
5379 | ||||
5380 | // Includes | |||
5381 | for (unsigned N = Record[Idx++]; N; --N) { | |||
5382 | PPOpts.Includes.push_back(ReadString(Record, Idx)); | |||
5383 | } | |||
5384 | ||||
5385 | // Macro Includes | |||
5386 | for (unsigned N = Record[Idx++]; N; --N) { | |||
5387 | PPOpts.MacroIncludes.push_back(ReadString(Record, Idx)); | |||
5388 | } | |||
5389 | ||||
5390 | PPOpts.UsePredefines = Record[Idx++]; | |||
5391 | PPOpts.DetailedRecord = Record[Idx++]; | |||
5392 | PPOpts.ImplicitPCHInclude = ReadString(Record, Idx); | |||
5393 | PPOpts.ImplicitPTHInclude = ReadString(Record, Idx); | |||
5394 | PPOpts.ObjCXXARCStandardLibrary = | |||
5395 | static_cast<ObjCXXARCStandardLibraryKind>(Record[Idx++]); | |||
5396 | SuggestedPredefines.clear(); | |||
5397 | return Listener.ReadPreprocessorOptions(PPOpts, Complain, | |||
5398 | SuggestedPredefines); | |||
5399 | } | |||
5400 | ||||
5401 | std::pair<ModuleFile *, unsigned> | |||
5402 | ASTReader::getModulePreprocessedEntity(unsigned GlobalIndex) { | |||
5403 | GlobalPreprocessedEntityMapType::iterator | |||
5404 | I = GlobalPreprocessedEntityMap.find(GlobalIndex); | |||
5405 | assert(I != GlobalPreprocessedEntityMap.end() &&(static_cast <bool> (I != GlobalPreprocessedEntityMap.end () && "Corrupted global preprocessed entity map") ? void (0) : __assert_fail ("I != GlobalPreprocessedEntityMap.end() && \"Corrupted global preprocessed entity map\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5406, __extension__ __PRETTY_FUNCTION__)) | |||
5406 | "Corrupted global preprocessed entity map")(static_cast <bool> (I != GlobalPreprocessedEntityMap.end () && "Corrupted global preprocessed entity map") ? void (0) : __assert_fail ("I != GlobalPreprocessedEntityMap.end() && \"Corrupted global preprocessed entity map\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5406, __extension__ __PRETTY_FUNCTION__)); | |||
5407 | ModuleFile *M = I->second; | |||
5408 | unsigned LocalIndex = GlobalIndex - M->BasePreprocessedEntityID; | |||
5409 | return std::make_pair(M, LocalIndex); | |||
5410 | } | |||
5411 | ||||
5412 | llvm::iterator_range<PreprocessingRecord::iterator> | |||
5413 | ASTReader::getModulePreprocessedEntities(ModuleFile &Mod) const { | |||
5414 | if (PreprocessingRecord *PPRec = PP.getPreprocessingRecord()) | |||
5415 | return PPRec->getIteratorsForLoadedRange(Mod.BasePreprocessedEntityID, | |||
5416 | Mod.NumPreprocessedEntities); | |||
5417 | ||||
5418 | return llvm::make_range(PreprocessingRecord::iterator(), | |||
5419 | PreprocessingRecord::iterator()); | |||
5420 | } | |||
5421 | ||||
5422 | llvm::iterator_range<ASTReader::ModuleDeclIterator> | |||
5423 | ASTReader::getModuleFileLevelDecls(ModuleFile &Mod) { | |||
5424 | return llvm::make_range( | |||
5425 | ModuleDeclIterator(this, &Mod, Mod.FileSortedDecls), | |||
5426 | ModuleDeclIterator(this, &Mod, | |||
5427 | Mod.FileSortedDecls + Mod.NumFileSortedDecls)); | |||
5428 | } | |||
5429 | ||||
5430 | SourceRange ASTReader::ReadSkippedRange(unsigned GlobalIndex) { | |||
5431 | auto I = GlobalSkippedRangeMap.find(GlobalIndex); | |||
5432 | assert(I != GlobalSkippedRangeMap.end() &&(static_cast <bool> (I != GlobalSkippedRangeMap.end() && "Corrupted global skipped range map") ? void (0) : __assert_fail ("I != GlobalSkippedRangeMap.end() && \"Corrupted global skipped range map\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5433, __extension__ __PRETTY_FUNCTION__)) | |||
5433 | "Corrupted global skipped range map")(static_cast <bool> (I != GlobalSkippedRangeMap.end() && "Corrupted global skipped range map") ? void (0) : __assert_fail ("I != GlobalSkippedRangeMap.end() && \"Corrupted global skipped range map\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5433, __extension__ __PRETTY_FUNCTION__)); | |||
5434 | ModuleFile *M = I->second; | |||
5435 | unsigned LocalIndex = GlobalIndex - M->BasePreprocessedSkippedRangeID; | |||
5436 | assert(LocalIndex < M->NumPreprocessedSkippedRanges)(static_cast <bool> (LocalIndex < M->NumPreprocessedSkippedRanges ) ? void (0) : __assert_fail ("LocalIndex < M->NumPreprocessedSkippedRanges" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5436, __extension__ __PRETTY_FUNCTION__)); | |||
5437 | PPSkippedRange RawRange = M->PreprocessedSkippedRangeOffsets[LocalIndex]; | |||
5438 | SourceRange Range(TranslateSourceLocation(*M, RawRange.getBegin()), | |||
5439 | TranslateSourceLocation(*M, RawRange.getEnd())); | |||
5440 | assert(Range.isValid())(static_cast <bool> (Range.isValid()) ? void (0) : __assert_fail ("Range.isValid()", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5440, __extension__ __PRETTY_FUNCTION__)); | |||
5441 | return Range; | |||
5442 | } | |||
5443 | ||||
5444 | PreprocessedEntity *ASTReader::ReadPreprocessedEntity(unsigned Index) { | |||
5445 | PreprocessedEntityID PPID = Index+1; | |||
5446 | std::pair<ModuleFile *, unsigned> PPInfo = getModulePreprocessedEntity(Index); | |||
5447 | ModuleFile &M = *PPInfo.first; | |||
5448 | unsigned LocalIndex = PPInfo.second; | |||
5449 | const PPEntityOffset &PPOffs = M.PreprocessedEntityOffsets[LocalIndex]; | |||
5450 | ||||
5451 | if (!PP.getPreprocessingRecord()) { | |||
5452 | Error("no preprocessing record"); | |||
5453 | return nullptr; | |||
5454 | } | |||
5455 | ||||
5456 | SavedStreamPosition SavedPosition(M.PreprocessorDetailCursor); | |||
5457 | M.PreprocessorDetailCursor.JumpToBit(PPOffs.BitOffset); | |||
5458 | ||||
5459 | llvm::BitstreamEntry Entry = | |||
5460 | M.PreprocessorDetailCursor.advance(BitstreamCursor::AF_DontPopBlockAtEnd); | |||
5461 | if (Entry.Kind != llvm::BitstreamEntry::Record) | |||
5462 | return nullptr; | |||
5463 | ||||
5464 | // Read the record. | |||
5465 | SourceRange Range(TranslateSourceLocation(M, PPOffs.getBegin()), | |||
5466 | TranslateSourceLocation(M, PPOffs.getEnd())); | |||
5467 | PreprocessingRecord &PPRec = *PP.getPreprocessingRecord(); | |||
5468 | StringRef Blob; | |||
5469 | RecordData Record; | |||
5470 | PreprocessorDetailRecordTypes RecType = | |||
5471 | (PreprocessorDetailRecordTypes)M.PreprocessorDetailCursor.readRecord( | |||
5472 | Entry.ID, Record, &Blob); | |||
5473 | switch (RecType) { | |||
5474 | case PPD_MACRO_EXPANSION: { | |||
5475 | bool isBuiltin = Record[0]; | |||
5476 | IdentifierInfo *Name = nullptr; | |||
5477 | MacroDefinitionRecord *Def = nullptr; | |||
5478 | if (isBuiltin) | |||
5479 | Name = getLocalIdentifier(M, Record[1]); | |||
5480 | else { | |||
5481 | PreprocessedEntityID GlobalID = | |||
5482 | getGlobalPreprocessedEntityID(M, Record[1]); | |||
5483 | Def = cast<MacroDefinitionRecord>( | |||
5484 | PPRec.getLoadedPreprocessedEntity(GlobalID - 1)); | |||
5485 | } | |||
5486 | ||||
5487 | MacroExpansion *ME; | |||
5488 | if (isBuiltin) | |||
5489 | ME = new (PPRec) MacroExpansion(Name, Range); | |||
5490 | else | |||
5491 | ME = new (PPRec) MacroExpansion(Def, Range); | |||
5492 | ||||
5493 | return ME; | |||
5494 | } | |||
5495 | ||||
5496 | case PPD_MACRO_DEFINITION: { | |||
5497 | // Decode the identifier info and then check again; if the macro is | |||
5498 | // still defined and associated with the identifier, | |||
5499 | IdentifierInfo *II = getLocalIdentifier(M, Record[0]); | |||
5500 | MacroDefinitionRecord *MD = new (PPRec) MacroDefinitionRecord(II, Range); | |||
5501 | ||||
5502 | if (DeserializationListener) | |||
5503 | DeserializationListener->MacroDefinitionRead(PPID, MD); | |||
5504 | ||||
5505 | return MD; | |||
5506 | } | |||
5507 | ||||
5508 | case PPD_INCLUSION_DIRECTIVE: { | |||
5509 | const char *FullFileNameStart = Blob.data() + Record[0]; | |||
5510 | StringRef FullFileName(FullFileNameStart, Blob.size() - Record[0]); | |||
5511 | const FileEntry *File = nullptr; | |||
5512 | if (!FullFileName.empty()) | |||
5513 | File = PP.getFileManager().getFile(FullFileName); | |||
5514 | ||||
5515 | // FIXME: Stable encoding | |||
5516 | InclusionDirective::InclusionKind Kind | |||
5517 | = static_cast<InclusionDirective::InclusionKind>(Record[2]); | |||
5518 | InclusionDirective *ID | |||
5519 | = new (PPRec) InclusionDirective(PPRec, Kind, | |||
5520 | StringRef(Blob.data(), Record[0]), | |||
5521 | Record[1], Record[3], | |||
5522 | File, | |||
5523 | Range); | |||
5524 | return ID; | |||
5525 | } | |||
5526 | } | |||
5527 | ||||
5528 | llvm_unreachable("Invalid PreprocessorDetailRecordTypes")::llvm::llvm_unreachable_internal("Invalid PreprocessorDetailRecordTypes" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5528); | |||
5529 | } | |||
5530 | ||||
5531 | /// Find the next module that contains entities and return the ID | |||
5532 | /// of the first entry. | |||
5533 | /// | |||
5534 | /// \param SLocMapI points at a chunk of a module that contains no | |||
5535 | /// preprocessed entities or the entities it contains are not the ones we are | |||
5536 | /// looking for. | |||
5537 | PreprocessedEntityID ASTReader::findNextPreprocessedEntity( | |||
5538 | GlobalSLocOffsetMapType::const_iterator SLocMapI) const { | |||
5539 | ++SLocMapI; | |||
5540 | for (GlobalSLocOffsetMapType::const_iterator | |||
5541 | EndI = GlobalSLocOffsetMap.end(); SLocMapI != EndI; ++SLocMapI) { | |||
5542 | ModuleFile &M = *SLocMapI->second; | |||
5543 | if (M.NumPreprocessedEntities) | |||
5544 | return M.BasePreprocessedEntityID; | |||
5545 | } | |||
5546 | ||||
5547 | return getTotalNumPreprocessedEntities(); | |||
5548 | } | |||
5549 | ||||
5550 | namespace { | |||
5551 | ||||
5552 | struct PPEntityComp { | |||
5553 | const ASTReader &Reader; | |||
5554 | ModuleFile &M; | |||
5555 | ||||
5556 | PPEntityComp(const ASTReader &Reader, ModuleFile &M) : Reader(Reader), M(M) {} | |||
5557 | ||||
5558 | bool operator()(const PPEntityOffset &L, const PPEntityOffset &R) const { | |||
5559 | SourceLocation LHS = getLoc(L); | |||
5560 | SourceLocation RHS = getLoc(R); | |||
5561 | return Reader.getSourceManager().isBeforeInTranslationUnit(LHS, RHS); | |||
5562 | } | |||
5563 | ||||
5564 | bool operator()(const PPEntityOffset &L, SourceLocation RHS) const { | |||
5565 | SourceLocation LHS = getLoc(L); | |||
5566 | return Reader.getSourceManager().isBeforeInTranslationUnit(LHS, RHS); | |||
5567 | } | |||
5568 | ||||
5569 | bool operator()(SourceLocation LHS, const PPEntityOffset &R) const { | |||
5570 | SourceLocation RHS = getLoc(R); | |||
5571 | return Reader.getSourceManager().isBeforeInTranslationUnit(LHS, RHS); | |||
5572 | } | |||
5573 | ||||
5574 | SourceLocation getLoc(const PPEntityOffset &PPE) const { | |||
5575 | return Reader.TranslateSourceLocation(M, PPE.getBegin()); | |||
5576 | } | |||
5577 | }; | |||
5578 | ||||
5579 | } // namespace | |||
5580 | ||||
5581 | PreprocessedEntityID ASTReader::findPreprocessedEntity(SourceLocation Loc, | |||
5582 | bool EndsAfter) const { | |||
5583 | if (SourceMgr.isLocalSourceLocation(Loc)) | |||
5584 | return getTotalNumPreprocessedEntities(); | |||
5585 | ||||
5586 | GlobalSLocOffsetMapType::const_iterator SLocMapI = GlobalSLocOffsetMap.find( | |||
5587 | SourceManager::MaxLoadedOffset - Loc.getOffset() - 1); | |||
5588 | assert(SLocMapI != GlobalSLocOffsetMap.end() &&(static_cast <bool> (SLocMapI != GlobalSLocOffsetMap.end () && "Corrupted global sloc offset map") ? void (0) : __assert_fail ("SLocMapI != GlobalSLocOffsetMap.end() && \"Corrupted global sloc offset map\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5589, __extension__ __PRETTY_FUNCTION__)) | |||
5589 | "Corrupted global sloc offset map")(static_cast <bool> (SLocMapI != GlobalSLocOffsetMap.end () && "Corrupted global sloc offset map") ? void (0) : __assert_fail ("SLocMapI != GlobalSLocOffsetMap.end() && \"Corrupted global sloc offset map\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5589, __extension__ __PRETTY_FUNCTION__)); | |||
5590 | ||||
5591 | if (SLocMapI->second->NumPreprocessedEntities == 0) | |||
5592 | return findNextPreprocessedEntity(SLocMapI); | |||
5593 | ||||
5594 | ModuleFile &M = *SLocMapI->second; | |||
5595 | ||||
5596 | using pp_iterator = const PPEntityOffset *; | |||
5597 | ||||
5598 | pp_iterator pp_begin = M.PreprocessedEntityOffsets; | |||
5599 | pp_iterator pp_end = pp_begin + M.NumPreprocessedEntities; | |||
5600 | ||||
5601 | size_t Count = M.NumPreprocessedEntities; | |||
5602 | size_t Half; | |||
5603 | pp_iterator First = pp_begin; | |||
5604 | pp_iterator PPI; | |||
5605 | ||||
5606 | if (EndsAfter) { | |||
5607 | PPI = std::upper_bound(pp_begin, pp_end, Loc, | |||
5608 | PPEntityComp(*this, M)); | |||
5609 | } else { | |||
5610 | // Do a binary search manually instead of using std::lower_bound because | |||
5611 | // The end locations of entities may be unordered (when a macro expansion | |||
5612 | // is inside another macro argument), but for this case it is not important | |||
5613 | // whether we get the first macro expansion or its containing macro. | |||
5614 | while (Count > 0) { | |||
5615 | Half = Count / 2; | |||
5616 | PPI = First; | |||
5617 | std::advance(PPI, Half); | |||
5618 | if (SourceMgr.isBeforeInTranslationUnit( | |||
5619 | TranslateSourceLocation(M, PPI->getEnd()), Loc)) { | |||
5620 | First = PPI; | |||
5621 | ++First; | |||
5622 | Count = Count - Half - 1; | |||
5623 | } else | |||
5624 | Count = Half; | |||
5625 | } | |||
5626 | } | |||
5627 | ||||
5628 | if (PPI == pp_end) | |||
5629 | return findNextPreprocessedEntity(SLocMapI); | |||
5630 | ||||
5631 | return M.BasePreprocessedEntityID + (PPI - pp_begin); | |||
5632 | } | |||
5633 | ||||
5634 | /// Returns a pair of [Begin, End) indices of preallocated | |||
5635 | /// preprocessed entities that \arg Range encompasses. | |||
5636 | std::pair<unsigned, unsigned> | |||
5637 | ASTReader::findPreprocessedEntitiesInRange(SourceRange Range) { | |||
5638 | if (Range.isInvalid()) | |||
5639 | return std::make_pair(0,0); | |||
5640 | assert(!SourceMgr.isBeforeInTranslationUnit(Range.getEnd(),Range.getBegin()))(static_cast <bool> (!SourceMgr.isBeforeInTranslationUnit (Range.getEnd(),Range.getBegin())) ? void (0) : __assert_fail ("!SourceMgr.isBeforeInTranslationUnit(Range.getEnd(),Range.getBegin())" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5640, __extension__ __PRETTY_FUNCTION__)); | |||
5641 | ||||
5642 | PreprocessedEntityID BeginID = | |||
5643 | findPreprocessedEntity(Range.getBegin(), false); | |||
5644 | PreprocessedEntityID EndID = findPreprocessedEntity(Range.getEnd(), true); | |||
5645 | return std::make_pair(BeginID, EndID); | |||
5646 | } | |||
5647 | ||||
5648 | /// Optionally returns true or false if the preallocated preprocessed | |||
5649 | /// entity with index \arg Index came from file \arg FID. | |||
5650 | Optional<bool> ASTReader::isPreprocessedEntityInFileID(unsigned Index, | |||
5651 | FileID FID) { | |||
5652 | if (FID.isInvalid()) | |||
5653 | return false; | |||
5654 | ||||
5655 | std::pair<ModuleFile *, unsigned> PPInfo = getModulePreprocessedEntity(Index); | |||
5656 | ModuleFile &M = *PPInfo.first; | |||
5657 | unsigned LocalIndex = PPInfo.second; | |||
5658 | const PPEntityOffset &PPOffs = M.PreprocessedEntityOffsets[LocalIndex]; | |||
5659 | ||||
5660 | SourceLocation Loc = TranslateSourceLocation(M, PPOffs.getBegin()); | |||
5661 | if (Loc.isInvalid()) | |||
5662 | return false; | |||
5663 | ||||
5664 | if (SourceMgr.isInFileID(SourceMgr.getFileLoc(Loc), FID)) | |||
5665 | return true; | |||
5666 | else | |||
5667 | return false; | |||
5668 | } | |||
5669 | ||||
5670 | namespace { | |||
5671 | ||||
5672 | /// Visitor used to search for information about a header file. | |||
5673 | class HeaderFileInfoVisitor { | |||
5674 | const FileEntry *FE; | |||
5675 | Optional<HeaderFileInfo> HFI; | |||
5676 | ||||
5677 | public: | |||
5678 | explicit HeaderFileInfoVisitor(const FileEntry *FE) : FE(FE) {} | |||
5679 | ||||
5680 | bool operator()(ModuleFile &M) { | |||
5681 | HeaderFileInfoLookupTable *Table | |||
5682 | = static_cast<HeaderFileInfoLookupTable *>(M.HeaderFileInfoTable); | |||
5683 | if (!Table) | |||
5684 | return false; | |||
5685 | ||||
5686 | // Look in the on-disk hash table for an entry for this file name. | |||
5687 | HeaderFileInfoLookupTable::iterator Pos = Table->find(FE); | |||
5688 | if (Pos == Table->end()) | |||
5689 | return false; | |||
5690 | ||||
5691 | HFI = *Pos; | |||
5692 | return true; | |||
5693 | } | |||
5694 | ||||
5695 | Optional<HeaderFileInfo> getHeaderFileInfo() const { return HFI; } | |||
5696 | }; | |||
5697 | ||||
5698 | } // namespace | |||
5699 | ||||
5700 | HeaderFileInfo ASTReader::GetHeaderFileInfo(const FileEntry *FE) { | |||
5701 | HeaderFileInfoVisitor Visitor(FE); | |||
5702 | ModuleMgr.visit(Visitor); | |||
5703 | if (Optional<HeaderFileInfo> HFI = Visitor.getHeaderFileInfo()) | |||
5704 | return *HFI; | |||
5705 | ||||
5706 | return HeaderFileInfo(); | |||
5707 | } | |||
5708 | ||||
5709 | void ASTReader::ReadPragmaDiagnosticMappings(DiagnosticsEngine &Diag) { | |||
5710 | using DiagState = DiagnosticsEngine::DiagState; | |||
5711 | SmallVector<DiagState *, 32> DiagStates; | |||
5712 | ||||
5713 | for (ModuleFile &F : ModuleMgr) { | |||
5714 | unsigned Idx = 0; | |||
5715 | auto &Record = F.PragmaDiagMappings; | |||
5716 | if (Record.empty()) | |||
5717 | continue; | |||
5718 | ||||
5719 | DiagStates.clear(); | |||
5720 | ||||
5721 | auto ReadDiagState = | |||
5722 | [&](const DiagState &BasedOn, SourceLocation Loc, | |||
5723 | bool IncludeNonPragmaStates) -> DiagnosticsEngine::DiagState * { | |||
5724 | unsigned BackrefID = Record[Idx++]; | |||
5725 | if (BackrefID != 0) | |||
5726 | return DiagStates[BackrefID - 1]; | |||
5727 | ||||
5728 | // A new DiagState was created here. | |||
5729 | Diag.DiagStates.push_back(BasedOn); | |||
5730 | DiagState *NewState = &Diag.DiagStates.back(); | |||
5731 | DiagStates.push_back(NewState); | |||
5732 | unsigned Size = Record[Idx++]; | |||
5733 | assert(Idx + Size * 2 <= Record.size() &&(static_cast <bool> (Idx + Size * 2 <= Record.size() && "Invalid data, not enough diag/map pairs") ? void (0) : __assert_fail ("Idx + Size * 2 <= Record.size() && \"Invalid data, not enough diag/map pairs\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5734, __extension__ __PRETTY_FUNCTION__)) | |||
5734 | "Invalid data, not enough diag/map pairs")(static_cast <bool> (Idx + Size * 2 <= Record.size() && "Invalid data, not enough diag/map pairs") ? void (0) : __assert_fail ("Idx + Size * 2 <= Record.size() && \"Invalid data, not enough diag/map pairs\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5734, __extension__ __PRETTY_FUNCTION__)); | |||
5735 | while (Size--) { | |||
5736 | unsigned DiagID = Record[Idx++]; | |||
5737 | DiagnosticMapping NewMapping = | |||
5738 | DiagnosticMapping::deserialize(Record[Idx++]); | |||
5739 | if (!NewMapping.isPragma() && !IncludeNonPragmaStates) | |||
5740 | continue; | |||
5741 | ||||
5742 | DiagnosticMapping &Mapping = NewState->getOrAddMapping(DiagID); | |||
5743 | ||||
5744 | // If this mapping was specified as a warning but the severity was | |||
5745 | // upgraded due to diagnostic settings, simulate the current diagnostic | |||
5746 | // settings (and use a warning). | |||
5747 | if (NewMapping.wasUpgradedFromWarning() && !Mapping.isErrorOrFatal()) { | |||
5748 | NewMapping.setSeverity(diag::Severity::Warning); | |||
5749 | NewMapping.setUpgradedFromWarning(false); | |||
5750 | } | |||
5751 | ||||
5752 | Mapping = NewMapping; | |||
5753 | } | |||
5754 | return NewState; | |||
5755 | }; | |||
5756 | ||||
5757 | // Read the first state. | |||
5758 | DiagState *FirstState; | |||
5759 | if (F.Kind == MK_ImplicitModule) { | |||
5760 | // Implicitly-built modules are reused with different diagnostic | |||
5761 | // settings. Use the initial diagnostic state from Diag to simulate this | |||
5762 | // compilation's diagnostic settings. | |||
5763 | FirstState = Diag.DiagStatesByLoc.FirstDiagState; | |||
5764 | DiagStates.push_back(FirstState); | |||
5765 | ||||
5766 | // Skip the initial diagnostic state from the serialized module. | |||
5767 | assert(Record[1] == 0 &&(static_cast <bool> (Record[1] == 0 && "Invalid data, unexpected backref in initial state" ) ? void (0) : __assert_fail ("Record[1] == 0 && \"Invalid data, unexpected backref in initial state\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5768, __extension__ __PRETTY_FUNCTION__)) | |||
5768 | "Invalid data, unexpected backref in initial state")(static_cast <bool> (Record[1] == 0 && "Invalid data, unexpected backref in initial state" ) ? void (0) : __assert_fail ("Record[1] == 0 && \"Invalid data, unexpected backref in initial state\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5768, __extension__ __PRETTY_FUNCTION__)); | |||
5769 | Idx = 3 + Record[2] * 2; | |||
5770 | assert(Idx < Record.size() &&(static_cast <bool> (Idx < Record.size() && "Invalid data, not enough state change pairs in initial state" ) ? void (0) : __assert_fail ("Idx < Record.size() && \"Invalid data, not enough state change pairs in initial state\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5771, __extension__ __PRETTY_FUNCTION__)) | |||
5771 | "Invalid data, not enough state change pairs in initial state")(static_cast <bool> (Idx < Record.size() && "Invalid data, not enough state change pairs in initial state" ) ? void (0) : __assert_fail ("Idx < Record.size() && \"Invalid data, not enough state change pairs in initial state\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5771, __extension__ __PRETTY_FUNCTION__)); | |||
5772 | } else if (F.isModule()) { | |||
5773 | // For an explicit module, preserve the flags from the module build | |||
5774 | // command line (-w, -Weverything, -Werror, ...) along with any explicit | |||
5775 | // -Wblah flags. | |||
5776 | unsigned Flags = Record[Idx++]; | |||
5777 | DiagState Initial; | |||
5778 | Initial.SuppressSystemWarnings = Flags & 1; Flags >>= 1; | |||
5779 | Initial.ErrorsAsFatal = Flags & 1; Flags >>= 1; | |||
5780 | Initial.WarningsAsErrors = Flags & 1; Flags >>= 1; | |||
5781 | Initial.EnableAllWarnings = Flags & 1; Flags >>= 1; | |||
5782 | Initial.IgnoreAllWarnings = Flags & 1; Flags >>= 1; | |||
5783 | Initial.ExtBehavior = (diag::Severity)Flags; | |||
5784 | FirstState = ReadDiagState(Initial, SourceLocation(), true); | |||
5785 | ||||
5786 | assert(F.OriginalSourceFileID.isValid())(static_cast <bool> (F.OriginalSourceFileID.isValid()) ? void (0) : __assert_fail ("F.OriginalSourceFileID.isValid()" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5786, __extension__ __PRETTY_FUNCTION__)); | |||
5787 | ||||
5788 | // Set up the root buffer of the module to start with the initial | |||
5789 | // diagnostic state of the module itself, to cover files that contain no | |||
5790 | // explicit transitions (for which we did not serialize anything). | |||
5791 | Diag.DiagStatesByLoc.Files[F.OriginalSourceFileID] | |||
5792 | .StateTransitions.push_back({FirstState, 0}); | |||
5793 | } else { | |||
5794 | // For prefix ASTs, start with whatever the user configured on the | |||
5795 | // command line. | |||
5796 | Idx++; // Skip flags. | |||
5797 | FirstState = ReadDiagState(*Diag.DiagStatesByLoc.CurDiagState, | |||
5798 | SourceLocation(), false); | |||
5799 | } | |||
5800 | ||||
5801 | // Read the state transitions. | |||
5802 | unsigned NumLocations = Record[Idx++]; | |||
5803 | while (NumLocations--) { | |||
5804 | assert(Idx < Record.size() &&(static_cast <bool> (Idx < Record.size() && "Invalid data, missing pragma diagnostic states" ) ? void (0) : __assert_fail ("Idx < Record.size() && \"Invalid data, missing pragma diagnostic states\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5805, __extension__ __PRETTY_FUNCTION__)) | |||
5805 | "Invalid data, missing pragma diagnostic states")(static_cast <bool> (Idx < Record.size() && "Invalid data, missing pragma diagnostic states" ) ? void (0) : __assert_fail ("Idx < Record.size() && \"Invalid data, missing pragma diagnostic states\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5805, __extension__ __PRETTY_FUNCTION__)); | |||
5806 | SourceLocation Loc = ReadSourceLocation(F, Record[Idx++]); | |||
5807 | auto IDAndOffset = SourceMgr.getDecomposedLoc(Loc); | |||
5808 | assert(IDAndOffset.first.isValid() && "invalid FileID for transition")(static_cast <bool> (IDAndOffset.first.isValid() && "invalid FileID for transition") ? void (0) : __assert_fail ( "IDAndOffset.first.isValid() && \"invalid FileID for transition\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5808, __extension__ __PRETTY_FUNCTION__)); | |||
5809 | assert(IDAndOffset.second == 0 && "not a start location for a FileID")(static_cast <bool> (IDAndOffset.second == 0 && "not a start location for a FileID") ? void (0) : __assert_fail ("IDAndOffset.second == 0 && \"not a start location for a FileID\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5809, __extension__ __PRETTY_FUNCTION__)); | |||
5810 | unsigned Transitions = Record[Idx++]; | |||
5811 | ||||
5812 | // Note that we don't need to set up Parent/ParentOffset here, because | |||
5813 | // we won't be changing the diagnostic state within imported FileIDs | |||
5814 | // (other than perhaps appending to the main source file, which has no | |||
5815 | // parent). | |||
5816 | auto &F = Diag.DiagStatesByLoc.Files[IDAndOffset.first]; | |||
5817 | F.StateTransitions.reserve(F.StateTransitions.size() + Transitions); | |||
5818 | for (unsigned I = 0; I != Transitions; ++I) { | |||
5819 | unsigned Offset = Record[Idx++]; | |||
5820 | auto *State = | |||
5821 | ReadDiagState(*FirstState, Loc.getLocWithOffset(Offset), false); | |||
5822 | F.StateTransitions.push_back({State, Offset}); | |||
5823 | } | |||
5824 | } | |||
5825 | ||||
5826 | // Read the final state. | |||
5827 | assert(Idx < Record.size() &&(static_cast <bool> (Idx < Record.size() && "Invalid data, missing final pragma diagnostic state" ) ? void (0) : __assert_fail ("Idx < Record.size() && \"Invalid data, missing final pragma diagnostic state\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5828, __extension__ __PRETTY_FUNCTION__)) | |||
5828 | "Invalid data, missing final pragma diagnostic state")(static_cast <bool> (Idx < Record.size() && "Invalid data, missing final pragma diagnostic state" ) ? void (0) : __assert_fail ("Idx < Record.size() && \"Invalid data, missing final pragma diagnostic state\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5828, __extension__ __PRETTY_FUNCTION__)); | |||
5829 | SourceLocation CurStateLoc = | |||
5830 | ReadSourceLocation(F, F.PragmaDiagMappings[Idx++]); | |||
5831 | auto *CurState = ReadDiagState(*FirstState, CurStateLoc, false); | |||
5832 | ||||
5833 | if (!F.isModule()) { | |||
5834 | Diag.DiagStatesByLoc.CurDiagState = CurState; | |||
5835 | Diag.DiagStatesByLoc.CurDiagStateLoc = CurStateLoc; | |||
5836 | ||||
5837 | // Preserve the property that the imaginary root file describes the | |||
5838 | // current state. | |||
5839 | FileID NullFile; | |||
5840 | auto &T = Diag.DiagStatesByLoc.Files[NullFile].StateTransitions; | |||
5841 | if (T.empty()) | |||
5842 | T.push_back({CurState, 0}); | |||
5843 | else | |||
5844 | T[0].State = CurState; | |||
5845 | } | |||
5846 | ||||
5847 | // Don't try to read these mappings again. | |||
5848 | Record.clear(); | |||
5849 | } | |||
5850 | } | |||
5851 | ||||
5852 | /// Get the correct cursor and offset for loading a type. | |||
5853 | ASTReader::RecordLocation ASTReader::TypeCursorForIndex(unsigned Index) { | |||
5854 | GlobalTypeMapType::iterator I = GlobalTypeMap.find(Index); | |||
5855 | assert(I != GlobalTypeMap.end() && "Corrupted global type map")(static_cast <bool> (I != GlobalTypeMap.end() && "Corrupted global type map") ? void (0) : __assert_fail ("I != GlobalTypeMap.end() && \"Corrupted global type map\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5855, __extension__ __PRETTY_FUNCTION__)); | |||
5856 | ModuleFile *M = I->second; | |||
5857 | return RecordLocation(M, M->TypeOffsets[Index - M->BaseTypeIndex]); | |||
5858 | } | |||
5859 | ||||
5860 | /// Read and return the type with the given index.. | |||
5861 | /// | |||
5862 | /// The index is the type ID, shifted and minus the number of predefs. This | |||
5863 | /// routine actually reads the record corresponding to the type at the given | |||
5864 | /// location. It is a helper routine for GetType, which deals with reading type | |||
5865 | /// IDs. | |||
5866 | QualType ASTReader::readTypeRecord(unsigned Index) { | |||
5867 | assert(ContextObj && "reading type with no AST context")(static_cast <bool> (ContextObj && "reading type with no AST context" ) ? void (0) : __assert_fail ("ContextObj && \"reading type with no AST context\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 5867, __extension__ __PRETTY_FUNCTION__)); | |||
5868 | ASTContext &Context = *ContextObj; | |||
5869 | RecordLocation Loc = TypeCursorForIndex(Index); | |||
5870 | BitstreamCursor &DeclsCursor = Loc.F->DeclsCursor; | |||
5871 | ||||
5872 | // Keep track of where we are in the stream, then jump back there | |||
5873 | // after reading this type. | |||
5874 | SavedStreamPosition SavedPosition(DeclsCursor); | |||
5875 | ||||
5876 | ReadingKindTracker ReadingKind(Read_Type, *this); | |||
5877 | ||||
5878 | // Note that we are loading a type record. | |||
5879 | Deserializing AType(this); | |||
5880 | ||||
5881 | unsigned Idx = 0; | |||
5882 | DeclsCursor.JumpToBit(Loc.Offset); | |||
5883 | RecordData Record; | |||
5884 | unsigned Code = DeclsCursor.ReadCode(); | |||
5885 | switch ((TypeCode)DeclsCursor.readRecord(Code, Record)) { | |||
5886 | case TYPE_EXT_QUAL: { | |||
5887 | if (Record.size() != 2) { | |||
5888 | Error("Incorrect encoding of extended qualifier type"); | |||
5889 | return QualType(); | |||
5890 | } | |||
5891 | QualType Base = readType(*Loc.F, Record, Idx); | |||
5892 | Qualifiers Quals = Qualifiers::fromOpaqueValue(Record[Idx++]); | |||
5893 | return Context.getQualifiedType(Base, Quals); | |||
5894 | } | |||
5895 | ||||
5896 | case TYPE_COMPLEX: { | |||
5897 | if (Record.size() != 1) { | |||
5898 | Error("Incorrect encoding of complex type"); | |||
5899 | return QualType(); | |||
5900 | } | |||
5901 | QualType ElemType = readType(*Loc.F, Record, Idx); | |||
5902 | return Context.getComplexType(ElemType); | |||
5903 | } | |||
5904 | ||||
5905 | case TYPE_POINTER: { | |||
5906 | if (Record.size() != 1) { | |||
5907 | Error("Incorrect encoding of pointer type"); | |||
5908 | return QualType(); | |||
5909 | } | |||
5910 | QualType PointeeType = readType(*Loc.F, Record, Idx); | |||
5911 | return Context.getPointerType(PointeeType); | |||
5912 | } | |||
5913 | ||||
5914 | case TYPE_DECAYED: { | |||
5915 | if (Record.size() != 1) { | |||
5916 | Error("Incorrect encoding of decayed type"); | |||
5917 | return QualType(); | |||
5918 | } | |||
5919 | QualType OriginalType = readType(*Loc.F, Record, Idx); | |||
5920 | QualType DT = Context.getAdjustedParameterType(OriginalType); | |||
5921 | if (!isa<DecayedType>(DT)) | |||
5922 | Error("Decayed type does not decay"); | |||
5923 | return DT; | |||
5924 | } | |||
5925 | ||||
5926 | case TYPE_ADJUSTED: { | |||
5927 | if (Record.size() != 2) { | |||
5928 | Error("Incorrect encoding of adjusted type"); | |||
5929 | return QualType(); | |||
5930 | } | |||
5931 | QualType OriginalTy = readType(*Loc.F, Record, Idx); | |||
5932 | QualType AdjustedTy = readType(*Loc.F, Record, Idx); | |||
5933 | return Context.getAdjustedType(OriginalTy, AdjustedTy); | |||
5934 | } | |||
5935 | ||||
5936 | case TYPE_BLOCK_POINTER: { | |||
5937 | if (Record.size() != 1) { | |||
5938 | Error("Incorrect encoding of block pointer type"); | |||
5939 | return QualType(); | |||
5940 | } | |||
5941 | QualType PointeeType = readType(*Loc.F, Record, Idx); | |||
5942 | return Context.getBlockPointerType(PointeeType); | |||
5943 | } | |||
5944 | ||||
5945 | case TYPE_LVALUE_REFERENCE: { | |||
5946 | if (Record.size() != 2) { | |||
5947 | Error("Incorrect encoding of lvalue reference type"); | |||
5948 | return QualType(); | |||
5949 | } | |||
5950 | QualType PointeeType = readType(*Loc.F, Record, Idx); | |||
5951 | return Context.getLValueReferenceType(PointeeType, Record[1]); | |||
5952 | } | |||
5953 | ||||
5954 | case TYPE_RVALUE_REFERENCE: { | |||
5955 | if (Record.size() != 1) { | |||
5956 | Error("Incorrect encoding of rvalue reference type"); | |||
5957 | return QualType(); | |||
5958 | } | |||
5959 | QualType PointeeType = readType(*Loc.F, Record, Idx); | |||
5960 | return Context.getRValueReferenceType(PointeeType); | |||
5961 | } | |||
5962 | ||||
5963 | case TYPE_MEMBER_POINTER: { | |||
5964 | if (Record.size() != 2) { | |||
5965 | Error("Incorrect encoding of member pointer type"); | |||
5966 | return QualType(); | |||
5967 | } | |||
5968 | QualType PointeeType = readType(*Loc.F, Record, Idx); | |||
5969 | QualType ClassType = readType(*Loc.F, Record, Idx); | |||
5970 | if (PointeeType.isNull() || ClassType.isNull()) | |||
5971 | return QualType(); | |||
5972 | ||||
5973 | return Context.getMemberPointerType(PointeeType, ClassType.getTypePtr()); | |||
5974 | } | |||
5975 | ||||
5976 | case TYPE_CONSTANT_ARRAY: { | |||
5977 | QualType ElementType = readType(*Loc.F, Record, Idx); | |||
5978 | ArrayType::ArraySizeModifier ASM = (ArrayType::ArraySizeModifier)Record[1]; | |||
5979 | unsigned IndexTypeQuals = Record[2]; | |||
5980 | unsigned Idx = 3; | |||
5981 | llvm::APInt Size = ReadAPInt(Record, Idx); | |||
5982 | return Context.getConstantArrayType(ElementType, Size, | |||
5983 | ASM, IndexTypeQuals); | |||
5984 | } | |||
5985 | ||||
5986 | case TYPE_INCOMPLETE_ARRAY: { | |||
5987 | QualType ElementType = readType(*Loc.F, Record, Idx); | |||
5988 | ArrayType::ArraySizeModifier ASM = (ArrayType::ArraySizeModifier)Record[1]; | |||
5989 | unsigned IndexTypeQuals = Record[2]; | |||
5990 | return Context.getIncompleteArrayType(ElementType, ASM, IndexTypeQuals); | |||
5991 | } | |||
5992 | ||||
5993 | case TYPE_VARIABLE_ARRAY: { | |||
5994 | QualType ElementType = readType(*Loc.F, Record, Idx); | |||
5995 | ArrayType::ArraySizeModifier ASM = (ArrayType::ArraySizeModifier)Record[1]; | |||
5996 | unsigned IndexTypeQuals = Record[2]; | |||
5997 | SourceLocation LBLoc = ReadSourceLocation(*Loc.F, Record[3]); | |||
5998 | SourceLocation RBLoc = ReadSourceLocation(*Loc.F, Record[4]); | |||
5999 | return Context.getVariableArrayType(ElementType, ReadExpr(*Loc.F), | |||
6000 | ASM, IndexTypeQuals, | |||
6001 | SourceRange(LBLoc, RBLoc)); | |||
6002 | } | |||
6003 | ||||
6004 | case TYPE_VECTOR: { | |||
6005 | if (Record.size() != 3) { | |||
6006 | Error("incorrect encoding of vector type in AST file"); | |||
6007 | return QualType(); | |||
6008 | } | |||
6009 | ||||
6010 | QualType ElementType = readType(*Loc.F, Record, Idx); | |||
6011 | unsigned NumElements = Record[1]; | |||
6012 | unsigned VecKind = Record[2]; | |||
6013 | return Context.getVectorType(ElementType, NumElements, | |||
6014 | (VectorType::VectorKind)VecKind); | |||
6015 | } | |||
6016 | ||||
6017 | case TYPE_EXT_VECTOR: { | |||
6018 | if (Record.size() != 3) { | |||
6019 | Error("incorrect encoding of extended vector type in AST file"); | |||
6020 | return QualType(); | |||
6021 | } | |||
6022 | ||||
6023 | QualType ElementType = readType(*Loc.F, Record, Idx); | |||
6024 | unsigned NumElements = Record[1]; | |||
6025 | return Context.getExtVectorType(ElementType, NumElements); | |||
6026 | } | |||
6027 | ||||
6028 | case TYPE_FUNCTION_NO_PROTO: { | |||
6029 | if (Record.size() != 8) { | |||
6030 | Error("incorrect encoding of no-proto function type"); | |||
6031 | return QualType(); | |||
6032 | } | |||
6033 | QualType ResultType = readType(*Loc.F, Record, Idx); | |||
6034 | FunctionType::ExtInfo Info(Record[1], Record[2], Record[3], | |||
6035 | (CallingConv)Record[4], Record[5], Record[6], | |||
6036 | Record[7]); | |||
6037 | return Context.getFunctionNoProtoType(ResultType, Info); | |||
6038 | } | |||
6039 | ||||
6040 | case TYPE_FUNCTION_PROTO: { | |||
6041 | QualType ResultType = readType(*Loc.F, Record, Idx); | |||
6042 | ||||
6043 | FunctionProtoType::ExtProtoInfo EPI; | |||
6044 | EPI.ExtInfo = FunctionType::ExtInfo(/*noreturn*/ Record[1], | |||
6045 | /*hasregparm*/ Record[2], | |||
6046 | /*regparm*/ Record[3], | |||
6047 | static_cast<CallingConv>(Record[4]), | |||
6048 | /*produces*/ Record[5], | |||
6049 | /*nocallersavedregs*/ Record[6], | |||
6050 | /*nocfcheck*/ Record[7]); | |||
6051 | ||||
6052 | unsigned Idx = 8; | |||
6053 | ||||
6054 | EPI.Variadic = Record[Idx++]; | |||
6055 | EPI.HasTrailingReturn = Record[Idx++]; | |||
6056 | EPI.TypeQuals = Record[Idx++]; | |||
6057 | EPI.RefQualifier = static_cast<RefQualifierKind>(Record[Idx++]); | |||
6058 | SmallVector<QualType, 8> ExceptionStorage; | |||
6059 | readExceptionSpec(*Loc.F, ExceptionStorage, EPI.ExceptionSpec, Record, Idx); | |||
6060 | ||||
6061 | unsigned NumParams = Record[Idx++]; | |||
6062 | SmallVector<QualType, 16> ParamTypes; | |||
6063 | for (unsigned I = 0; I != NumParams; ++I) | |||
6064 | ParamTypes.push_back(readType(*Loc.F, Record, Idx)); | |||
6065 | ||||
6066 | SmallVector<FunctionProtoType::ExtParameterInfo, 4> ExtParameterInfos; | |||
6067 | if (Idx != Record.size()) { | |||
6068 | for (unsigned I = 0; I != NumParams; ++I) | |||
6069 | ExtParameterInfos.push_back( | |||
6070 | FunctionProtoType::ExtParameterInfo | |||
6071 | ::getFromOpaqueValue(Record[Idx++])); | |||
6072 | EPI.ExtParameterInfos = ExtParameterInfos.data(); | |||
6073 | } | |||
6074 | ||||
6075 | assert(Idx == Record.size())(static_cast <bool> (Idx == Record.size()) ? void (0) : __assert_fail ("Idx == Record.size()", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 6075, __extension__ __PRETTY_FUNCTION__)); | |||
6076 | ||||
6077 | return Context.getFunctionType(ResultType, ParamTypes, EPI); | |||
6078 | } | |||
6079 | ||||
6080 | case TYPE_UNRESOLVED_USING: { | |||
6081 | unsigned Idx = 0; | |||
6082 | return Context.getTypeDeclType( | |||
6083 | ReadDeclAs<UnresolvedUsingTypenameDecl>(*Loc.F, Record, Idx)); | |||
6084 | } | |||
6085 | ||||
6086 | case TYPE_TYPEDEF: { | |||
6087 | if (Record.size() != 2) { | |||
6088 | Error("incorrect encoding of typedef type"); | |||
6089 | return QualType(); | |||
6090 | } | |||
6091 | unsigned Idx = 0; | |||
6092 | TypedefNameDecl *Decl = ReadDeclAs<TypedefNameDecl>(*Loc.F, Record, Idx); | |||
6093 | QualType Canonical = readType(*Loc.F, Record, Idx); | |||
6094 | if (!Canonical.isNull()) | |||
6095 | Canonical = Context.getCanonicalType(Canonical); | |||
6096 | return Context.getTypedefType(Decl, Canonical); | |||
6097 | } | |||
6098 | ||||
6099 | case TYPE_TYPEOF_EXPR: | |||
6100 | return Context.getTypeOfExprType(ReadExpr(*Loc.F)); | |||
6101 | ||||
6102 | case TYPE_TYPEOF: { | |||
6103 | if (Record.size() != 1) { | |||
6104 | Error("incorrect encoding of typeof(type) in AST file"); | |||
6105 | return QualType(); | |||
6106 | } | |||
6107 | QualType UnderlyingType = readType(*Loc.F, Record, Idx); | |||
6108 | return Context.getTypeOfType(UnderlyingType); | |||
6109 | } | |||
6110 | ||||
6111 | case TYPE_DECLTYPE: { | |||
6112 | QualType UnderlyingType = readType(*Loc.F, Record, Idx); | |||
6113 | return Context.getDecltypeType(ReadExpr(*Loc.F), UnderlyingType); | |||
6114 | } | |||
6115 | ||||
6116 | case TYPE_UNARY_TRANSFORM: { | |||
6117 | QualType BaseType = readType(*Loc.F, Record, Idx); | |||
6118 | QualType UnderlyingType = readType(*Loc.F, Record, Idx); | |||
6119 | UnaryTransformType::UTTKind UKind = (UnaryTransformType::UTTKind)Record[2]; | |||
6120 | return Context.getUnaryTransformType(BaseType, UnderlyingType, UKind); | |||
6121 | } | |||
6122 | ||||
6123 | case TYPE_AUTO: { | |||
6124 | QualType Deduced = readType(*Loc.F, Record, Idx); | |||
6125 | AutoTypeKeyword Keyword = (AutoTypeKeyword)Record[Idx++]; | |||
6126 | bool IsDependent = Deduced.isNull() ? Record[Idx++] : false; | |||
6127 | return Context.getAutoType(Deduced, Keyword, IsDependent); | |||
6128 | } | |||
6129 | ||||
6130 | case TYPE_DEDUCED_TEMPLATE_SPECIALIZATION: { | |||
6131 | TemplateName Name = ReadTemplateName(*Loc.F, Record, Idx); | |||
6132 | QualType Deduced = readType(*Loc.F, Record, Idx); | |||
6133 | bool IsDependent = Deduced.isNull() ? Record[Idx++] : false; | |||
6134 | return Context.getDeducedTemplateSpecializationType(Name, Deduced, | |||
6135 | IsDependent); | |||
6136 | } | |||
6137 | ||||
6138 | case TYPE_RECORD: { | |||
6139 | if (Record.size() != 2) { | |||
6140 | Error("incorrect encoding of record type"); | |||
6141 | return QualType(); | |||
6142 | } | |||
6143 | unsigned Idx = 0; | |||
6144 | bool IsDependent = Record[Idx++]; | |||
6145 | RecordDecl *RD = ReadDeclAs<RecordDecl>(*Loc.F, Record, Idx); | |||
6146 | RD = cast_or_null<RecordDecl>(RD->getCanonicalDecl()); | |||
6147 | QualType T = Context.getRecordType(RD); | |||
6148 | const_cast<Type*>(T.getTypePtr())->setDependent(IsDependent); | |||
6149 | return T; | |||
6150 | } | |||
6151 | ||||
6152 | case TYPE_ENUM: { | |||
6153 | if (Record.size() != 2) { | |||
6154 | Error("incorrect encoding of enum type"); | |||
6155 | return QualType(); | |||
6156 | } | |||
6157 | unsigned Idx = 0; | |||
6158 | bool IsDependent = Record[Idx++]; | |||
6159 | QualType T | |||
6160 | = Context.getEnumType(ReadDeclAs<EnumDecl>(*Loc.F, Record, Idx)); | |||
6161 | const_cast<Type*>(T.getTypePtr())->setDependent(IsDependent); | |||
6162 | return T; | |||
6163 | } | |||
6164 | ||||
6165 | case TYPE_ATTRIBUTED: { | |||
6166 | if (Record.size() != 3) { | |||
6167 | Error("incorrect encoding of attributed type"); | |||
6168 | return QualType(); | |||
6169 | } | |||
6170 | QualType modifiedType = readType(*Loc.F, Record, Idx); | |||
6171 | QualType equivalentType = readType(*Loc.F, Record, Idx); | |||
6172 | AttributedType::Kind kind = static_cast<AttributedType::Kind>(Record[2]); | |||
6173 | return Context.getAttributedType(kind, modifiedType, equivalentType); | |||
6174 | } | |||
6175 | ||||
6176 | case TYPE_PAREN: { | |||
6177 | if (Record.size() != 1) { | |||
6178 | Error("incorrect encoding of paren type"); | |||
6179 | return QualType(); | |||
6180 | } | |||
6181 | QualType InnerType = readType(*Loc.F, Record, Idx); | |||
6182 | return Context.getParenType(InnerType); | |||
6183 | } | |||
6184 | ||||
6185 | case TYPE_PACK_EXPANSION: { | |||
6186 | if (Record.size() != 2) { | |||
6187 | Error("incorrect encoding of pack expansion type"); | |||
6188 | return QualType(); | |||
6189 | } | |||
6190 | QualType Pattern = readType(*Loc.F, Record, Idx); | |||
6191 | if (Pattern.isNull()) | |||
6192 | return QualType(); | |||
6193 | Optional<unsigned> NumExpansions; | |||
6194 | if (Record[1]) | |||
6195 | NumExpansions = Record[1] - 1; | |||
6196 | return Context.getPackExpansionType(Pattern, NumExpansions); | |||
6197 | } | |||
6198 | ||||
6199 | case TYPE_ELABORATED: { | |||
6200 | unsigned Idx = 0; | |||
6201 | ElaboratedTypeKeyword Keyword = (ElaboratedTypeKeyword)Record[Idx++]; | |||
6202 | NestedNameSpecifier *NNS = ReadNestedNameSpecifier(*Loc.F, Record, Idx); | |||
6203 | QualType NamedType = readType(*Loc.F, Record, Idx); | |||
6204 | TagDecl *OwnedTagDecl = ReadDeclAs<TagDecl>(*Loc.F, Record, Idx); | |||
6205 | return Context.getElaboratedType(Keyword, NNS, NamedType, OwnedTagDecl); | |||
6206 | } | |||
6207 | ||||
6208 | case TYPE_OBJC_INTERFACE: { | |||
6209 | unsigned Idx = 0; | |||
6210 | ObjCInterfaceDecl *ItfD | |||
6211 | = ReadDeclAs<ObjCInterfaceDecl>(*Loc.F, Record, Idx); | |||
6212 | return Context.getObjCInterfaceType(ItfD->getCanonicalDecl()); | |||
6213 | } | |||
6214 | ||||
6215 | case TYPE_OBJC_TYPE_PARAM: { | |||
6216 | unsigned Idx = 0; | |||
6217 | ObjCTypeParamDecl *Decl | |||
6218 | = ReadDeclAs<ObjCTypeParamDecl>(*Loc.F, Record, Idx); | |||
6219 | unsigned NumProtos = Record[Idx++]; | |||
6220 | SmallVector<ObjCProtocolDecl*, 4> Protos; | |||
6221 | for (unsigned I = 0; I != NumProtos; ++I) | |||
6222 | Protos.push_back(ReadDeclAs<ObjCProtocolDecl>(*Loc.F, Record, Idx)); | |||
6223 | return Context.getObjCTypeParamType(Decl, Protos); | |||
6224 | } | |||
6225 | ||||
6226 | case TYPE_OBJC_OBJECT: { | |||
6227 | unsigned Idx = 0; | |||
6228 | QualType Base = readType(*Loc.F, Record, Idx); | |||
6229 | unsigned NumTypeArgs = Record[Idx++]; | |||
6230 | SmallVector<QualType, 4> TypeArgs; | |||
6231 | for (unsigned I = 0; I != NumTypeArgs; ++I) | |||
6232 | TypeArgs.push_back(readType(*Loc.F, Record, Idx)); | |||
6233 | unsigned NumProtos = Record[Idx++]; | |||
6234 | SmallVector<ObjCProtocolDecl*, 4> Protos; | |||
6235 | for (unsigned I = 0; I != NumProtos; ++I) | |||
6236 | Protos.push_back(ReadDeclAs<ObjCProtocolDecl>(*Loc.F, Record, Idx)); | |||
6237 | bool IsKindOf = Record[Idx++]; | |||
6238 | return Context.getObjCObjectType(Base, TypeArgs, Protos, IsKindOf); | |||
6239 | } | |||
6240 | ||||
6241 | case TYPE_OBJC_OBJECT_POINTER: { | |||
6242 | unsigned Idx = 0; | |||
6243 | QualType Pointee = readType(*Loc.F, Record, Idx); | |||
6244 | return Context.getObjCObjectPointerType(Pointee); | |||
6245 | } | |||
6246 | ||||
6247 | case TYPE_SUBST_TEMPLATE_TYPE_PARM: { | |||
6248 | unsigned Idx = 0; | |||
6249 | QualType Parm = readType(*Loc.F, Record, Idx); | |||
6250 | QualType Replacement = readType(*Loc.F, Record, Idx); | |||
6251 | return Context.getSubstTemplateTypeParmType( | |||
6252 | cast<TemplateTypeParmType>(Parm), | |||
6253 | Context.getCanonicalType(Replacement)); | |||
6254 | } | |||
6255 | ||||
6256 | case TYPE_SUBST_TEMPLATE_TYPE_PARM_PACK: { | |||
6257 | unsigned Idx = 0; | |||
6258 | QualType Parm = readType(*Loc.F, Record, Idx); | |||
6259 | TemplateArgument ArgPack = ReadTemplateArgument(*Loc.F, Record, Idx); | |||
6260 | return Context.getSubstTemplateTypeParmPackType( | |||
6261 | cast<TemplateTypeParmType>(Parm), | |||
6262 | ArgPack); | |||
6263 | } | |||
6264 | ||||
6265 | case TYPE_INJECTED_CLASS_NAME: { | |||
6266 | CXXRecordDecl *D = ReadDeclAs<CXXRecordDecl>(*Loc.F, Record, Idx); | |||
6267 | QualType TST = readType(*Loc.F, Record, Idx); // probably derivable | |||
6268 | // FIXME: ASTContext::getInjectedClassNameType is not currently suitable | |||
6269 | // for AST reading, too much interdependencies. | |||
6270 | const Type *T = nullptr; | |||
6271 | for (auto *DI = D; DI; DI = DI->getPreviousDecl()) { | |||
6272 | if (const Type *Existing = DI->getTypeForDecl()) { | |||
6273 | T = Existing; | |||
6274 | break; | |||
6275 | } | |||
6276 | } | |||
6277 | if (!T) { | |||
6278 | T = new (Context, TypeAlignment) InjectedClassNameType(D, TST); | |||
6279 | for (auto *DI = D; DI; DI = DI->getPreviousDecl()) | |||
6280 | DI->setTypeForDecl(T); | |||
6281 | } | |||
6282 | return QualType(T, 0); | |||
6283 | } | |||
6284 | ||||
6285 | case TYPE_TEMPLATE_TYPE_PARM: { | |||
6286 | unsigned Idx = 0; | |||
6287 | unsigned Depth = Record[Idx++]; | |||
6288 | unsigned Index = Record[Idx++]; | |||
6289 | bool Pack = Record[Idx++]; | |||
6290 | TemplateTypeParmDecl *D | |||
6291 | = ReadDeclAs<TemplateTypeParmDecl>(*Loc.F, Record, Idx); | |||
6292 | return Context.getTemplateTypeParmType(Depth, Index, Pack, D); | |||
6293 | } | |||
6294 | ||||
6295 | case TYPE_DEPENDENT_NAME: { | |||
6296 | unsigned Idx = 0; | |||
6297 | ElaboratedTypeKeyword Keyword = (ElaboratedTypeKeyword)Record[Idx++]; | |||
6298 | NestedNameSpecifier *NNS = ReadNestedNameSpecifier(*Loc.F, Record, Idx); | |||
6299 | const IdentifierInfo *Name = GetIdentifierInfo(*Loc.F, Record, Idx); | |||
6300 | QualType Canon = readType(*Loc.F, Record, Idx); | |||
6301 | if (!Canon.isNull()) | |||
6302 | Canon = Context.getCanonicalType(Canon); | |||
6303 | return Context.getDependentNameType(Keyword, NNS, Name, Canon); | |||
6304 | } | |||
6305 | ||||
6306 | case TYPE_DEPENDENT_TEMPLATE_SPECIALIZATION: { | |||
6307 | unsigned Idx = 0; | |||
6308 | ElaboratedTypeKeyword Keyword = (ElaboratedTypeKeyword)Record[Idx++]; | |||
6309 | NestedNameSpecifier *NNS = ReadNestedNameSpecifier(*Loc.F, Record, Idx); | |||
6310 | const IdentifierInfo *Name = GetIdentifierInfo(*Loc.F, Record, Idx); | |||
6311 | unsigned NumArgs = Record[Idx++]; | |||
6312 | SmallVector<TemplateArgument, 8> Args; | |||
6313 | Args.reserve(NumArgs); | |||
6314 | while (NumArgs--) | |||
6315 | Args.push_back(ReadTemplateArgument(*Loc.F, Record, Idx)); | |||
6316 | return Context.getDependentTemplateSpecializationType(Keyword, NNS, Name, | |||
6317 | Args); | |||
6318 | } | |||
6319 | ||||
6320 | case TYPE_DEPENDENT_SIZED_ARRAY: { | |||
6321 | unsigned Idx = 0; | |||
6322 | ||||
6323 | // ArrayType | |||
6324 | QualType ElementType = readType(*Loc.F, Record, Idx); | |||
6325 | ArrayType::ArraySizeModifier ASM | |||
6326 | = (ArrayType::ArraySizeModifier)Record[Idx++]; | |||
6327 | unsigned IndexTypeQuals = Record[Idx++]; | |||
6328 | ||||
6329 | // DependentSizedArrayType | |||
6330 | Expr *NumElts = ReadExpr(*Loc.F); | |||
6331 | SourceRange Brackets = ReadSourceRange(*Loc.F, Record, Idx); | |||
6332 | ||||
6333 | return Context.getDependentSizedArrayType(ElementType, NumElts, ASM, | |||
6334 | IndexTypeQuals, Brackets); | |||
6335 | } | |||
6336 | ||||
6337 | case TYPE_TEMPLATE_SPECIALIZATION: { | |||
6338 | unsigned Idx = 0; | |||
6339 | bool IsDependent = Record[Idx++]; | |||
6340 | TemplateName Name = ReadTemplateName(*Loc.F, Record, Idx); | |||
6341 | SmallVector<TemplateArgument, 8> Args; | |||
6342 | ReadTemplateArgumentList(Args, *Loc.F, Record, Idx); | |||
6343 | QualType Underlying = readType(*Loc.F, Record, Idx); | |||
6344 | QualType T; | |||
6345 | if (Underlying.isNull()) | |||
6346 | T = Context.getCanonicalTemplateSpecializationType(Name, Args); | |||
6347 | else | |||
6348 | T = Context.getTemplateSpecializationType(Name, Args, Underlying); | |||
6349 | const_cast<Type*>(T.getTypePtr())->setDependent(IsDependent); | |||
6350 | return T; | |||
6351 | } | |||
6352 | ||||
6353 | case TYPE_ATOMIC: { | |||
6354 | if (Record.size() != 1) { | |||
6355 | Error("Incorrect encoding of atomic type"); | |||
6356 | return QualType(); | |||
6357 | } | |||
6358 | QualType ValueType = readType(*Loc.F, Record, Idx); | |||
6359 | return Context.getAtomicType(ValueType); | |||
6360 | } | |||
6361 | ||||
6362 | case TYPE_PIPE: { | |||
6363 | if (Record.size() != 2) { | |||
6364 | Error("Incorrect encoding of pipe type"); | |||
6365 | return QualType(); | |||
6366 | } | |||
6367 | ||||
6368 | // Reading the pipe element type. | |||
6369 | QualType ElementType = readType(*Loc.F, Record, Idx); | |||
6370 | unsigned ReadOnly = Record[1]; | |||
6371 | return Context.getPipeType(ElementType, ReadOnly); | |||
6372 | } | |||
6373 | ||||
6374 | case TYPE_DEPENDENT_SIZED_VECTOR: { | |||
6375 | unsigned Idx = 0; | |||
6376 | QualType ElementType = readType(*Loc.F, Record, Idx); | |||
6377 | Expr *SizeExpr = ReadExpr(*Loc.F); | |||
6378 | SourceLocation AttrLoc = ReadSourceLocation(*Loc.F, Record, Idx); | |||
6379 | unsigned VecKind = Record[Idx]; | |||
6380 | ||||
6381 | return Context.getDependentVectorType(ElementType, SizeExpr, AttrLoc, | |||
6382 | (VectorType::VectorKind)VecKind); | |||
6383 | } | |||
6384 | ||||
6385 | case TYPE_DEPENDENT_SIZED_EXT_VECTOR: { | |||
6386 | unsigned Idx = 0; | |||
6387 | ||||
6388 | // DependentSizedExtVectorType | |||
6389 | QualType ElementType = readType(*Loc.F, Record, Idx); | |||
6390 | Expr *SizeExpr = ReadExpr(*Loc.F); | |||
6391 | SourceLocation AttrLoc = ReadSourceLocation(*Loc.F, Record, Idx); | |||
6392 | ||||
6393 | return Context.getDependentSizedExtVectorType(ElementType, SizeExpr, | |||
6394 | AttrLoc); | |||
6395 | } | |||
6396 | ||||
6397 | case TYPE_DEPENDENT_ADDRESS_SPACE: { | |||
6398 | unsigned Idx = 0; | |||
6399 | ||||
6400 | // DependentAddressSpaceType | |||
6401 | QualType PointeeType = readType(*Loc.F, Record, Idx); | |||
6402 | Expr *AddrSpaceExpr = ReadExpr(*Loc.F); | |||
6403 | SourceLocation AttrLoc = ReadSourceLocation(*Loc.F, Record, Idx); | |||
6404 | ||||
6405 | return Context.getDependentAddressSpaceType(PointeeType, AddrSpaceExpr, | |||
6406 | AttrLoc); | |||
6407 | } | |||
6408 | } | |||
6409 | llvm_unreachable("Invalid TypeCode!")::llvm::llvm_unreachable_internal("Invalid TypeCode!", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 6409); | |||
6410 | } | |||
6411 | ||||
6412 | void ASTReader::readExceptionSpec(ModuleFile &ModuleFile, | |||
6413 | SmallVectorImpl<QualType> &Exceptions, | |||
6414 | FunctionProtoType::ExceptionSpecInfo &ESI, | |||
6415 | const RecordData &Record, unsigned &Idx) { | |||
6416 | ExceptionSpecificationType EST = | |||
6417 | static_cast<ExceptionSpecificationType>(Record[Idx++]); | |||
6418 | ESI.Type = EST; | |||
6419 | if (EST == EST_Dynamic) { | |||
6420 | for (unsigned I = 0, N = Record[Idx++]; I != N; ++I) | |||
6421 | Exceptions.push_back(readType(ModuleFile, Record, Idx)); | |||
6422 | ESI.Exceptions = Exceptions; | |||
6423 | } else if (isComputedNoexcept(EST)) { | |||
6424 | ESI.NoexceptExpr = ReadExpr(ModuleFile); | |||
6425 | } else if (EST == EST_Uninstantiated) { | |||
6426 | ESI.SourceDecl = ReadDeclAs<FunctionDecl>(ModuleFile, Record, Idx); | |||
6427 | ESI.SourceTemplate = ReadDeclAs<FunctionDecl>(ModuleFile, Record, Idx); | |||
6428 | } else if (EST == EST_Unevaluated) { | |||
6429 | ESI.SourceDecl = ReadDeclAs<FunctionDecl>(ModuleFile, Record, Idx); | |||
6430 | } | |||
6431 | } | |||
6432 | ||||
6433 | namespace clang { | |||
6434 | ||||
6435 | class TypeLocReader : public TypeLocVisitor<TypeLocReader> { | |||
6436 | ModuleFile *F; | |||
6437 | ASTReader *Reader; | |||
6438 | const ASTReader::RecordData &Record; | |||
6439 | unsigned &Idx; | |||
6440 | ||||
6441 | SourceLocation ReadSourceLocation() { | |||
6442 | return Reader->ReadSourceLocation(*F, Record, Idx); | |||
6443 | } | |||
6444 | ||||
6445 | TypeSourceInfo *GetTypeSourceInfo() { | |||
6446 | return Reader->GetTypeSourceInfo(*F, Record, Idx); | |||
6447 | } | |||
6448 | ||||
6449 | NestedNameSpecifierLoc ReadNestedNameSpecifierLoc() { | |||
6450 | return Reader->ReadNestedNameSpecifierLoc(*F, Record, Idx); | |||
6451 | } | |||
6452 | ||||
6453 | public: | |||
6454 | TypeLocReader(ModuleFile &F, ASTReader &Reader, | |||
6455 | const ASTReader::RecordData &Record, unsigned &Idx) | |||
6456 | : F(&F), Reader(&Reader), Record(Record), Idx(Idx) {} | |||
6457 | ||||
6458 | // We want compile-time assurance that we've enumerated all of | |||
6459 | // these, so unfortunately we have to declare them first, then | |||
6460 | // define them out-of-line. | |||
6461 | #define ABSTRACT_TYPELOC(CLASS, PARENT) | |||
6462 | #define TYPELOC(CLASS, PARENT) \ | |||
6463 | void Visit##CLASS##TypeLoc(CLASS##TypeLoc TyLoc); | |||
6464 | #include "clang/AST/TypeLocNodes.def" | |||
6465 | ||||
6466 | void VisitFunctionTypeLoc(FunctionTypeLoc); | |||
6467 | void VisitArrayTypeLoc(ArrayTypeLoc); | |||
6468 | }; | |||
6469 | ||||
6470 | } // namespace clang | |||
6471 | ||||
6472 | void TypeLocReader::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) { | |||
6473 | // nothing to do | |||
6474 | } | |||
6475 | ||||
6476 | void TypeLocReader::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) { | |||
6477 | TL.setBuiltinLoc(ReadSourceLocation()); | |||
6478 | if (TL.needsExtraLocalData()) { | |||
6479 | TL.setWrittenTypeSpec(static_cast<DeclSpec::TST>(Record[Idx++])); | |||
6480 | TL.setWrittenSignSpec(static_cast<DeclSpec::TSS>(Record[Idx++])); | |||
6481 | TL.setWrittenWidthSpec(static_cast<DeclSpec::TSW>(Record[Idx++])); | |||
6482 | TL.setModeAttr(Record[Idx++]); | |||
6483 | } | |||
6484 | } | |||
6485 | ||||
6486 | void TypeLocReader::VisitComplexTypeLoc(ComplexTypeLoc TL) { | |||
6487 | TL.setNameLoc(ReadSourceLocation()); | |||
6488 | } | |||
6489 | ||||
6490 | void TypeLocReader::VisitPointerTypeLoc(PointerTypeLoc TL) { | |||
6491 | TL.setStarLoc(ReadSourceLocation()); | |||
6492 | } | |||
6493 | ||||
6494 | void TypeLocReader::VisitDecayedTypeLoc(DecayedTypeLoc TL) { | |||
6495 | // nothing to do | |||
6496 | } | |||
6497 | ||||
6498 | void TypeLocReader::VisitAdjustedTypeLoc(AdjustedTypeLoc TL) { | |||
6499 | // nothing to do | |||
6500 | } | |||
6501 | ||||
6502 | void TypeLocReader::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) { | |||
6503 | TL.setCaretLoc(ReadSourceLocation()); | |||
6504 | } | |||
6505 | ||||
6506 | void TypeLocReader::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) { | |||
6507 | TL.setAmpLoc(ReadSourceLocation()); | |||
6508 | } | |||
6509 | ||||
6510 | void TypeLocReader::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) { | |||
6511 | TL.setAmpAmpLoc(ReadSourceLocation()); | |||
6512 | } | |||
6513 | ||||
6514 | void TypeLocReader::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) { | |||
6515 | TL.setStarLoc(ReadSourceLocation()); | |||
6516 | TL.setClassTInfo(GetTypeSourceInfo()); | |||
6517 | } | |||
6518 | ||||
6519 | void TypeLocReader::VisitArrayTypeLoc(ArrayTypeLoc TL) { | |||
6520 | TL.setLBracketLoc(ReadSourceLocation()); | |||
6521 | TL.setRBracketLoc(ReadSourceLocation()); | |||
6522 | if (Record[Idx++]) | |||
6523 | TL.setSizeExpr(Reader->ReadExpr(*F)); | |||
6524 | else | |||
6525 | TL.setSizeExpr(nullptr); | |||
6526 | } | |||
6527 | ||||
6528 | void TypeLocReader::VisitConstantArrayTypeLoc(ConstantArrayTypeLoc TL) { | |||
6529 | VisitArrayTypeLoc(TL); | |||
6530 | } | |||
6531 | ||||
6532 | void TypeLocReader::VisitIncompleteArrayTypeLoc(IncompleteArrayTypeLoc TL) { | |||
6533 | VisitArrayTypeLoc(TL); | |||
6534 | } | |||
6535 | ||||
6536 | void TypeLocReader::VisitVariableArrayTypeLoc(VariableArrayTypeLoc TL) { | |||
6537 | VisitArrayTypeLoc(TL); | |||
6538 | } | |||
6539 | ||||
6540 | void TypeLocReader::VisitDependentSizedArrayTypeLoc( | |||
6541 | DependentSizedArrayTypeLoc TL) { | |||
6542 | VisitArrayTypeLoc(TL); | |||
6543 | } | |||
6544 | ||||
6545 | void TypeLocReader::VisitDependentAddressSpaceTypeLoc( | |||
6546 | DependentAddressSpaceTypeLoc TL) { | |||
6547 | ||||
6548 | TL.setAttrNameLoc(ReadSourceLocation()); | |||
6549 | SourceRange range; | |||
6550 | range.setBegin(ReadSourceLocation()); | |||
6551 | range.setEnd(ReadSourceLocation()); | |||
6552 | TL.setAttrOperandParensRange(range); | |||
6553 | TL.setAttrExprOperand(Reader->ReadExpr(*F)); | |||
6554 | } | |||
6555 | ||||
6556 | void TypeLocReader::VisitDependentSizedExtVectorTypeLoc( | |||
6557 | DependentSizedExtVectorTypeLoc TL) { | |||
6558 | TL.setNameLoc(ReadSourceLocation()); | |||
6559 | } | |||
6560 | ||||
6561 | void TypeLocReader::VisitVectorTypeLoc(VectorTypeLoc TL) { | |||
6562 | TL.setNameLoc(ReadSourceLocation()); | |||
6563 | } | |||
6564 | ||||
6565 | void TypeLocReader::VisitDependentVectorTypeLoc( | |||
6566 | DependentVectorTypeLoc TL) { | |||
6567 | TL.setNameLoc(ReadSourceLocation()); | |||
6568 | } | |||
6569 | ||||
6570 | void TypeLocReader::VisitExtVectorTypeLoc(ExtVectorTypeLoc TL) { | |||
6571 | TL.setNameLoc(ReadSourceLocation()); | |||
6572 | } | |||
6573 | ||||
6574 | void TypeLocReader::VisitFunctionTypeLoc(FunctionTypeLoc TL) { | |||
6575 | TL.setLocalRangeBegin(ReadSourceLocation()); | |||
6576 | TL.setLParenLoc(ReadSourceLocation()); | |||
6577 | TL.setRParenLoc(ReadSourceLocation()); | |||
6578 | TL.setExceptionSpecRange(SourceRange(Reader->ReadSourceLocation(*F, Record, Idx), | |||
6579 | Reader->ReadSourceLocation(*F, Record, Idx))); | |||
6580 | TL.setLocalRangeEnd(ReadSourceLocation()); | |||
6581 | for (unsigned i = 0, e = TL.getNumParams(); i != e; ++i) { | |||
6582 | TL.setParam(i, Reader->ReadDeclAs<ParmVarDecl>(*F, Record, Idx)); | |||
6583 | } | |||
6584 | } | |||
6585 | ||||
6586 | void TypeLocReader::VisitFunctionProtoTypeLoc(FunctionProtoTypeLoc TL) { | |||
6587 | VisitFunctionTypeLoc(TL); | |||
6588 | } | |||
6589 | ||||
6590 | void TypeLocReader::VisitFunctionNoProtoTypeLoc(FunctionNoProtoTypeLoc TL) { | |||
6591 | VisitFunctionTypeLoc(TL); | |||
6592 | } | |||
6593 | ||||
6594 | void TypeLocReader::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) { | |||
6595 | TL.setNameLoc(ReadSourceLocation()); | |||
6596 | } | |||
6597 | ||||
6598 | void TypeLocReader::VisitTypedefTypeLoc(TypedefTypeLoc TL) { | |||
6599 | TL.setNameLoc(ReadSourceLocation()); | |||
6600 | } | |||
6601 | ||||
6602 | void TypeLocReader::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) { | |||
6603 | TL.setTypeofLoc(ReadSourceLocation()); | |||
6604 | TL.setLParenLoc(ReadSourceLocation()); | |||
6605 | TL.setRParenLoc(ReadSourceLocation()); | |||
6606 | } | |||
6607 | ||||
6608 | void TypeLocReader::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) { | |||
6609 | TL.setTypeofLoc(ReadSourceLocation()); | |||
6610 | TL.setLParenLoc(ReadSourceLocation()); | |||
6611 | TL.setRParenLoc(ReadSourceLocation()); | |||
6612 | TL.setUnderlyingTInfo(GetTypeSourceInfo()); | |||
6613 | } | |||
6614 | ||||
6615 | void TypeLocReader::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) { | |||
6616 | TL.setNameLoc(ReadSourceLocation()); | |||
6617 | } | |||
6618 | ||||
6619 | void TypeLocReader::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) { | |||
6620 | TL.setKWLoc(ReadSourceLocation()); | |||
6621 | TL.setLParenLoc(ReadSourceLocation()); | |||
6622 | TL.setRParenLoc(ReadSourceLocation()); | |||
6623 | TL.setUnderlyingTInfo(GetTypeSourceInfo()); | |||
6624 | } | |||
6625 | ||||
6626 | void TypeLocReader::VisitAutoTypeLoc(AutoTypeLoc TL) { | |||
6627 | TL.setNameLoc(ReadSourceLocation()); | |||
6628 | } | |||
6629 | ||||
6630 | void TypeLocReader::VisitDeducedTemplateSpecializationTypeLoc( | |||
6631 | DeducedTemplateSpecializationTypeLoc TL) { | |||
6632 | TL.setTemplateNameLoc(ReadSourceLocation()); | |||
6633 | } | |||
6634 | ||||
6635 | void TypeLocReader::VisitRecordTypeLoc(RecordTypeLoc TL) { | |||
6636 | TL.setNameLoc(ReadSourceLocation()); | |||
6637 | } | |||
6638 | ||||
6639 | void TypeLocReader::VisitEnumTypeLoc(EnumTypeLoc TL) { | |||
6640 | TL.setNameLoc(ReadSourceLocation()); | |||
6641 | } | |||
6642 | ||||
6643 | void TypeLocReader::VisitAttributedTypeLoc(AttributedTypeLoc TL) { | |||
6644 | TL.setAttrNameLoc(ReadSourceLocation()); | |||
6645 | if (TL.hasAttrOperand()) { | |||
6646 | SourceRange range; | |||
6647 | range.setBegin(ReadSourceLocation()); | |||
6648 | range.setEnd(ReadSourceLocation()); | |||
6649 | TL.setAttrOperandParensRange(range); | |||
6650 | } | |||
6651 | if (TL.hasAttrExprOperand()) { | |||
6652 | if (Record[Idx++]) | |||
6653 | TL.setAttrExprOperand(Reader->ReadExpr(*F)); | |||
6654 | else | |||
6655 | TL.setAttrExprOperand(nullptr); | |||
6656 | } else if (TL.hasAttrEnumOperand()) | |||
6657 | TL.setAttrEnumOperandLoc(ReadSourceLocation()); | |||
6658 | } | |||
6659 | ||||
6660 | void TypeLocReader::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) { | |||
6661 | TL.setNameLoc(ReadSourceLocation()); | |||
6662 | } | |||
6663 | ||||
6664 | void TypeLocReader::VisitSubstTemplateTypeParmTypeLoc( | |||
6665 | SubstTemplateTypeParmTypeLoc TL) { | |||
6666 | TL.setNameLoc(ReadSourceLocation()); | |||
6667 | } | |||
6668 | ||||
6669 | void TypeLocReader::VisitSubstTemplateTypeParmPackTypeLoc( | |||
6670 | SubstTemplateTypeParmPackTypeLoc TL) { | |||
6671 | TL.setNameLoc(ReadSourceLocation()); | |||
6672 | } | |||
6673 | ||||
6674 | void TypeLocReader::VisitTemplateSpecializationTypeLoc( | |||
6675 | TemplateSpecializationTypeLoc TL) { | |||
6676 | TL.setTemplateKeywordLoc(ReadSourceLocation()); | |||
6677 | TL.setTemplateNameLoc(ReadSourceLocation()); | |||
6678 | TL.setLAngleLoc(ReadSourceLocation()); | |||
6679 | TL.setRAngleLoc(ReadSourceLocation()); | |||
6680 | for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) | |||
6681 | TL.setArgLocInfo( | |||
6682 | i, | |||
6683 | Reader->GetTemplateArgumentLocInfo( | |||
6684 | *F, TL.getTypePtr()->getArg(i).getKind(), Record, Idx)); | |||
6685 | } | |||
6686 | ||||
6687 | void TypeLocReader::VisitParenTypeLoc(ParenTypeLoc TL) { | |||
6688 | TL.setLParenLoc(ReadSourceLocation()); | |||
6689 | TL.setRParenLoc(ReadSourceLocation()); | |||
6690 | } | |||
6691 | ||||
6692 | void TypeLocReader::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) { | |||
6693 | TL.setElaboratedKeywordLoc(ReadSourceLocation()); | |||
6694 | TL.setQualifierLoc(ReadNestedNameSpecifierLoc()); | |||
6695 | } | |||
6696 | ||||
6697 | void TypeLocReader::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) { | |||
6698 | TL.setNameLoc(ReadSourceLocation()); | |||
6699 | } | |||
6700 | ||||
6701 | void TypeLocReader::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) { | |||
6702 | TL.setElaboratedKeywordLoc(ReadSourceLocation()); | |||
6703 | TL.setQualifierLoc(ReadNestedNameSpecifierLoc()); | |||
6704 | TL.setNameLoc(ReadSourceLocation()); | |||
6705 | } | |||
6706 | ||||
6707 | void TypeLocReader::VisitDependentTemplateSpecializationTypeLoc( | |||
6708 | DependentTemplateSpecializationTypeLoc TL) { | |||
6709 | TL.setElaboratedKeywordLoc(ReadSourceLocation()); | |||
6710 | TL.setQualifierLoc(ReadNestedNameSpecifierLoc()); | |||
6711 | TL.setTemplateKeywordLoc(ReadSourceLocation()); | |||
6712 | TL.setTemplateNameLoc(ReadSourceLocation()); | |||
6713 | TL.setLAngleLoc(ReadSourceLocation()); | |||
6714 | TL.setRAngleLoc(ReadSourceLocation()); | |||
6715 | for (unsigned I = 0, E = TL.getNumArgs(); I != E; ++I) | |||
6716 | TL.setArgLocInfo( | |||
6717 | I, | |||
6718 | Reader->GetTemplateArgumentLocInfo( | |||
6719 | *F, TL.getTypePtr()->getArg(I).getKind(), Record, Idx)); | |||
6720 | } | |||
6721 | ||||
6722 | void TypeLocReader::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) { | |||
6723 | TL.setEllipsisLoc(ReadSourceLocation()); | |||
6724 | } | |||
6725 | ||||
6726 | void TypeLocReader::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) { | |||
6727 | TL.setNameLoc(ReadSourceLocation()); | |||
6728 | } | |||
6729 | ||||
6730 | void TypeLocReader::VisitObjCTypeParamTypeLoc(ObjCTypeParamTypeLoc TL) { | |||
6731 | if (TL.getNumProtocols()) { | |||
6732 | TL.setProtocolLAngleLoc(ReadSourceLocation()); | |||
6733 | TL.setProtocolRAngleLoc(ReadSourceLocation()); | |||
6734 | } | |||
6735 | for (unsigned i = 0, e = TL.getNumProtocols(); i != e; ++i) | |||
6736 | TL.setProtocolLoc(i, ReadSourceLocation()); | |||
6737 | } | |||
6738 | ||||
6739 | void TypeLocReader::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) { | |||
6740 | TL.setHasBaseTypeAsWritten(Record[Idx++]); | |||
6741 | TL.setTypeArgsLAngleLoc(ReadSourceLocation()); | |||
6742 | TL.setTypeArgsRAngleLoc(ReadSourceLocation()); | |||
6743 | for (unsigned i = 0, e = TL.getNumTypeArgs(); i != e; ++i) | |||
6744 | TL.setTypeArgTInfo(i, GetTypeSourceInfo()); | |||
6745 | TL.setProtocolLAngleLoc(ReadSourceLocation()); | |||
6746 | TL.setProtocolRAngleLoc(ReadSourceLocation()); | |||
6747 | for (unsigned i = 0, e = TL.getNumProtocols(); i != e; ++i) | |||
6748 | TL.setProtocolLoc(i, ReadSourceLocation()); | |||
6749 | } | |||
6750 | ||||
6751 | void TypeLocReader::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) { | |||
6752 | TL.setStarLoc(ReadSourceLocation()); | |||
6753 | } | |||
6754 | ||||
6755 | void TypeLocReader::VisitAtomicTypeLoc(AtomicTypeLoc TL) { | |||
6756 | TL.setKWLoc(ReadSourceLocation()); | |||
6757 | TL.setLParenLoc(ReadSourceLocation()); | |||
6758 | TL.setRParenLoc(ReadSourceLocation()); | |||
6759 | } | |||
6760 | ||||
6761 | void TypeLocReader::VisitPipeTypeLoc(PipeTypeLoc TL) { | |||
6762 | TL.setKWLoc(ReadSourceLocation()); | |||
6763 | } | |||
6764 | ||||
6765 | void ASTReader::ReadTypeLoc(ModuleFile &F, const ASTReader::RecordData &Record, | |||
6766 | unsigned &Idx, TypeLoc TL) { | |||
6767 | TypeLocReader TLR(F, *this, Record, Idx); | |||
6768 | for (; !TL.isNull(); TL = TL.getNextTypeLoc()) | |||
6769 | TLR.Visit(TL); | |||
6770 | } | |||
6771 | ||||
6772 | TypeSourceInfo * | |||
6773 | ASTReader::GetTypeSourceInfo(ModuleFile &F, const ASTReader::RecordData &Record, | |||
6774 | unsigned &Idx) { | |||
6775 | QualType InfoTy = readType(F, Record, Idx); | |||
6776 | if (InfoTy.isNull()) | |||
6777 | return nullptr; | |||
6778 | ||||
6779 | TypeSourceInfo *TInfo = getContext().CreateTypeSourceInfo(InfoTy); | |||
6780 | ReadTypeLoc(F, Record, Idx, TInfo->getTypeLoc()); | |||
6781 | return TInfo; | |||
6782 | } | |||
6783 | ||||
6784 | QualType ASTReader::GetType(TypeID ID) { | |||
6785 | assert(ContextObj && "reading type with no AST context")(static_cast <bool> (ContextObj && "reading type with no AST context" ) ? void (0) : __assert_fail ("ContextObj && \"reading type with no AST context\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 6785, __extension__ __PRETTY_FUNCTION__)); | |||
6786 | ASTContext &Context = *ContextObj; | |||
6787 | ||||
6788 | unsigned FastQuals = ID & Qualifiers::FastMask; | |||
6789 | unsigned Index = ID >> Qualifiers::FastWidth; | |||
6790 | ||||
6791 | if (Index < NUM_PREDEF_TYPE_IDS) { | |||
6792 | QualType T; | |||
6793 | switch ((PredefinedTypeIDs)Index) { | |||
6794 | case PREDEF_TYPE_NULL_ID: | |||
6795 | return QualType(); | |||
6796 | case PREDEF_TYPE_VOID_ID: | |||
6797 | T = Context.VoidTy; | |||
6798 | break; | |||
6799 | case PREDEF_TYPE_BOOL_ID: | |||
6800 | T = Context.BoolTy; | |||
6801 | break; | |||
6802 | case PREDEF_TYPE_CHAR_U_ID: | |||
6803 | case PREDEF_TYPE_CHAR_S_ID: | |||
6804 | // FIXME: Check that the signedness of CharTy is correct! | |||
6805 | T = Context.CharTy; | |||
6806 | break; | |||
6807 | case PREDEF_TYPE_UCHAR_ID: | |||
6808 | T = Context.UnsignedCharTy; | |||
6809 | break; | |||
6810 | case PREDEF_TYPE_USHORT_ID: | |||
6811 | T = Context.UnsignedShortTy; | |||
6812 | break; | |||
6813 | case PREDEF_TYPE_UINT_ID: | |||
6814 | T = Context.UnsignedIntTy; | |||
6815 | break; | |||
6816 | case PREDEF_TYPE_ULONG_ID: | |||
6817 | T = Context.UnsignedLongTy; | |||
6818 | break; | |||
6819 | case PREDEF_TYPE_ULONGLONG_ID: | |||
6820 | T = Context.UnsignedLongLongTy; | |||
6821 | break; | |||
6822 | case PREDEF_TYPE_UINT128_ID: | |||
6823 | T = Context.UnsignedInt128Ty; | |||
6824 | break; | |||
6825 | case PREDEF_TYPE_SCHAR_ID: | |||
6826 | T = Context.SignedCharTy; | |||
6827 | break; | |||
6828 | case PREDEF_TYPE_WCHAR_ID: | |||
6829 | T = Context.WCharTy; | |||
6830 | break; | |||
6831 | case PREDEF_TYPE_SHORT_ID: | |||
6832 | T = Context.ShortTy; | |||
6833 | break; | |||
6834 | case PREDEF_TYPE_INT_ID: | |||
6835 | T = Context.IntTy; | |||
6836 | break; | |||
6837 | case PREDEF_TYPE_LONG_ID: | |||
6838 | T = Context.LongTy; | |||
6839 | break; | |||
6840 | case PREDEF_TYPE_LONGLONG_ID: | |||
6841 | T = Context.LongLongTy; | |||
6842 | break; | |||
6843 | case PREDEF_TYPE_INT128_ID: | |||
6844 | T = Context.Int128Ty; | |||
6845 | break; | |||
6846 | case PREDEF_TYPE_HALF_ID: | |||
6847 | T = Context.HalfTy; | |||
6848 | break; | |||
6849 | case PREDEF_TYPE_FLOAT_ID: | |||
6850 | T = Context.FloatTy; | |||
6851 | break; | |||
6852 | case PREDEF_TYPE_DOUBLE_ID: | |||
6853 | T = Context.DoubleTy; | |||
6854 | break; | |||
6855 | case PREDEF_TYPE_LONGDOUBLE_ID: | |||
6856 | T = Context.LongDoubleTy; | |||
6857 | break; | |||
6858 | case PREDEF_TYPE_SHORT_ACCUM_ID: | |||
6859 | T = Context.ShortAccumTy; | |||
6860 | break; | |||
6861 | case PREDEF_TYPE_ACCUM_ID: | |||
6862 | T = Context.AccumTy; | |||
6863 | break; | |||
6864 | case PREDEF_TYPE_LONG_ACCUM_ID: | |||
6865 | T = Context.LongAccumTy; | |||
6866 | break; | |||
6867 | case PREDEF_TYPE_USHORT_ACCUM_ID: | |||
6868 | T = Context.UnsignedShortAccumTy; | |||
6869 | break; | |||
6870 | case PREDEF_TYPE_UACCUM_ID: | |||
6871 | T = Context.UnsignedAccumTy; | |||
6872 | break; | |||
6873 | case PREDEF_TYPE_ULONG_ACCUM_ID: | |||
6874 | T = Context.UnsignedLongAccumTy; | |||
6875 | break; | |||
6876 | case PREDEF_TYPE_SHORT_FRACT_ID: | |||
6877 | T = Context.ShortFractTy; | |||
6878 | break; | |||
6879 | case PREDEF_TYPE_FRACT_ID: | |||
6880 | T = Context.FractTy; | |||
6881 | break; | |||
6882 | case PREDEF_TYPE_LONG_FRACT_ID: | |||
6883 | T = Context.LongFractTy; | |||
6884 | break; | |||
6885 | case PREDEF_TYPE_USHORT_FRACT_ID: | |||
6886 | T = Context.UnsignedShortFractTy; | |||
6887 | break; | |||
6888 | case PREDEF_TYPE_UFRACT_ID: | |||
6889 | T = Context.UnsignedFractTy; | |||
6890 | break; | |||
6891 | case PREDEF_TYPE_ULONG_FRACT_ID: | |||
6892 | T = Context.UnsignedLongFractTy; | |||
6893 | break; | |||
6894 | case PREDEF_TYPE_SAT_SHORT_ACCUM_ID: | |||
6895 | T = Context.SatShortAccumTy; | |||
6896 | break; | |||
6897 | case PREDEF_TYPE_SAT_ACCUM_ID: | |||
6898 | T = Context.SatAccumTy; | |||
6899 | break; | |||
6900 | case PREDEF_TYPE_SAT_LONG_ACCUM_ID: | |||
6901 | T = Context.SatLongAccumTy; | |||
6902 | break; | |||
6903 | case PREDEF_TYPE_SAT_USHORT_ACCUM_ID: | |||
6904 | T = Context.SatUnsignedShortAccumTy; | |||
6905 | break; | |||
6906 | case PREDEF_TYPE_SAT_UACCUM_ID: | |||
6907 | T = Context.SatUnsignedAccumTy; | |||
6908 | break; | |||
6909 | case PREDEF_TYPE_SAT_ULONG_ACCUM_ID: | |||
6910 | T = Context.SatUnsignedLongAccumTy; | |||
6911 | break; | |||
6912 | case PREDEF_TYPE_SAT_SHORT_FRACT_ID: | |||
6913 | T = Context.SatShortFractTy; | |||
6914 | break; | |||
6915 | case PREDEF_TYPE_SAT_FRACT_ID: | |||
6916 | T = Context.SatFractTy; | |||
6917 | break; | |||
6918 | case PREDEF_TYPE_SAT_LONG_FRACT_ID: | |||
6919 | T = Context.SatLongFractTy; | |||
6920 | break; | |||
6921 | case PREDEF_TYPE_SAT_USHORT_FRACT_ID: | |||
6922 | T = Context.SatUnsignedShortFractTy; | |||
6923 | break; | |||
6924 | case PREDEF_TYPE_SAT_UFRACT_ID: | |||
6925 | T = Context.SatUnsignedFractTy; | |||
6926 | break; | |||
6927 | case PREDEF_TYPE_SAT_ULONG_FRACT_ID: | |||
6928 | T = Context.SatUnsignedLongFractTy; | |||
6929 | break; | |||
6930 | case PREDEF_TYPE_FLOAT16_ID: | |||
6931 | T = Context.Float16Ty; | |||
6932 | break; | |||
6933 | case PREDEF_TYPE_FLOAT128_ID: | |||
6934 | T = Context.Float128Ty; | |||
6935 | break; | |||
6936 | case PREDEF_TYPE_OVERLOAD_ID: | |||
6937 | T = Context.OverloadTy; | |||
6938 | break; | |||
6939 | case PREDEF_TYPE_BOUND_MEMBER: | |||
6940 | T = Context.BoundMemberTy; | |||
6941 | break; | |||
6942 | case PREDEF_TYPE_PSEUDO_OBJECT: | |||
6943 | T = Context.PseudoObjectTy; | |||
6944 | break; | |||
6945 | case PREDEF_TYPE_DEPENDENT_ID: | |||
6946 | T = Context.DependentTy; | |||
6947 | break; | |||
6948 | case PREDEF_TYPE_UNKNOWN_ANY: | |||
6949 | T = Context.UnknownAnyTy; | |||
6950 | break; | |||
6951 | case PREDEF_TYPE_NULLPTR_ID: | |||
6952 | T = Context.NullPtrTy; | |||
6953 | break; | |||
6954 | case PREDEF_TYPE_CHAR8_ID: | |||
6955 | T = Context.Char8Ty; | |||
6956 | break; | |||
6957 | case PREDEF_TYPE_CHAR16_ID: | |||
6958 | T = Context.Char16Ty; | |||
6959 | break; | |||
6960 | case PREDEF_TYPE_CHAR32_ID: | |||
6961 | T = Context.Char32Ty; | |||
6962 | break; | |||
6963 | case PREDEF_TYPE_OBJC_ID: | |||
6964 | T = Context.ObjCBuiltinIdTy; | |||
6965 | break; | |||
6966 | case PREDEF_TYPE_OBJC_CLASS: | |||
6967 | T = Context.ObjCBuiltinClassTy; | |||
6968 | break; | |||
6969 | case PREDEF_TYPE_OBJC_SEL: | |||
6970 | T = Context.ObjCBuiltinSelTy; | |||
6971 | break; | |||
6972 | #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \ | |||
6973 | case PREDEF_TYPE_##Id##_ID: \ | |||
6974 | T = Context.SingletonId; \ | |||
6975 | break; | |||
6976 | #include "clang/Basic/OpenCLImageTypes.def" | |||
6977 | case PREDEF_TYPE_SAMPLER_ID: | |||
6978 | T = Context.OCLSamplerTy; | |||
6979 | break; | |||
6980 | case PREDEF_TYPE_EVENT_ID: | |||
6981 | T = Context.OCLEventTy; | |||
6982 | break; | |||
6983 | case PREDEF_TYPE_CLK_EVENT_ID: | |||
6984 | T = Context.OCLClkEventTy; | |||
6985 | break; | |||
6986 | case PREDEF_TYPE_QUEUE_ID: | |||
6987 | T = Context.OCLQueueTy; | |||
6988 | break; | |||
6989 | case PREDEF_TYPE_RESERVE_ID_ID: | |||
6990 | T = Context.OCLReserveIDTy; | |||
6991 | break; | |||
6992 | case PREDEF_TYPE_AUTO_DEDUCT: | |||
6993 | T = Context.getAutoDeductType(); | |||
6994 | break; | |||
6995 | case PREDEF_TYPE_AUTO_RREF_DEDUCT: | |||
6996 | T = Context.getAutoRRefDeductType(); | |||
6997 | break; | |||
6998 | case PREDEF_TYPE_ARC_UNBRIDGED_CAST: | |||
6999 | T = Context.ARCUnbridgedCastTy; | |||
7000 | break; | |||
7001 | case PREDEF_TYPE_BUILTIN_FN: | |||
7002 | T = Context.BuiltinFnTy; | |||
7003 | break; | |||
7004 | case PREDEF_TYPE_OMP_ARRAY_SECTION: | |||
7005 | T = Context.OMPArraySectionTy; | |||
7006 | break; | |||
7007 | } | |||
7008 | ||||
7009 | assert(!T.isNull() && "Unknown predefined type")(static_cast <bool> (!T.isNull() && "Unknown predefined type" ) ? void (0) : __assert_fail ("!T.isNull() && \"Unknown predefined type\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7009, __extension__ __PRETTY_FUNCTION__)); | |||
7010 | return T.withFastQualifiers(FastQuals); | |||
7011 | } | |||
7012 | ||||
7013 | Index -= NUM_PREDEF_TYPE_IDS; | |||
7014 | assert(Index < TypesLoaded.size() && "Type index out-of-range")(static_cast <bool> (Index < TypesLoaded.size() && "Type index out-of-range") ? void (0) : __assert_fail ("Index < TypesLoaded.size() && \"Type index out-of-range\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7014, __extension__ __PRETTY_FUNCTION__)); | |||
7015 | if (TypesLoaded[Index].isNull()) { | |||
7016 | TypesLoaded[Index] = readTypeRecord(Index); | |||
7017 | if (TypesLoaded[Index].isNull()) | |||
7018 | return QualType(); | |||
7019 | ||||
7020 | TypesLoaded[Index]->setFromAST(); | |||
7021 | if (DeserializationListener) | |||
7022 | DeserializationListener->TypeRead(TypeIdx::fromTypeID(ID), | |||
7023 | TypesLoaded[Index]); | |||
7024 | } | |||
7025 | ||||
7026 | return TypesLoaded[Index].withFastQualifiers(FastQuals); | |||
7027 | } | |||
7028 | ||||
7029 | QualType ASTReader::getLocalType(ModuleFile &F, unsigned LocalID) { | |||
7030 | return GetType(getGlobalTypeID(F, LocalID)); | |||
7031 | } | |||
7032 | ||||
7033 | serialization::TypeID | |||
7034 | ASTReader::getGlobalTypeID(ModuleFile &F, unsigned LocalID) const { | |||
7035 | unsigned FastQuals = LocalID & Qualifiers::FastMask; | |||
7036 | unsigned LocalIndex = LocalID >> Qualifiers::FastWidth; | |||
7037 | ||||
7038 | if (LocalIndex < NUM_PREDEF_TYPE_IDS) | |||
7039 | return LocalID; | |||
7040 | ||||
7041 | if (!F.ModuleOffsetMap.empty()) | |||
7042 | ReadModuleOffsetMap(F); | |||
7043 | ||||
7044 | ContinuousRangeMap<uint32_t, int, 2>::iterator I | |||
7045 | = F.TypeRemap.find(LocalIndex - NUM_PREDEF_TYPE_IDS); | |||
7046 | assert(I != F.TypeRemap.end() && "Invalid index into type index remap")(static_cast <bool> (I != F.TypeRemap.end() && "Invalid index into type index remap" ) ? void (0) : __assert_fail ("I != F.TypeRemap.end() && \"Invalid index into type index remap\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7046, __extension__ __PRETTY_FUNCTION__)); | |||
7047 | ||||
7048 | unsigned GlobalIndex = LocalIndex + I->second; | |||
7049 | return (GlobalIndex << Qualifiers::FastWidth) | FastQuals; | |||
7050 | } | |||
7051 | ||||
7052 | TemplateArgumentLocInfo | |||
7053 | ASTReader::GetTemplateArgumentLocInfo(ModuleFile &F, | |||
7054 | TemplateArgument::ArgKind Kind, | |||
7055 | const RecordData &Record, | |||
7056 | unsigned &Index) { | |||
7057 | switch (Kind) { | |||
7058 | case TemplateArgument::Expression: | |||
7059 | return ReadExpr(F); | |||
7060 | case TemplateArgument::Type: | |||
7061 | return GetTypeSourceInfo(F, Record, Index); | |||
7062 | case TemplateArgument::Template: { | |||
7063 | NestedNameSpecifierLoc QualifierLoc = ReadNestedNameSpecifierLoc(F, Record, | |||
7064 | Index); | |||
7065 | SourceLocation TemplateNameLoc = ReadSourceLocation(F, Record, Index); | |||
7066 | return TemplateArgumentLocInfo(QualifierLoc, TemplateNameLoc, | |||
7067 | SourceLocation()); | |||
7068 | } | |||
7069 | case TemplateArgument::TemplateExpansion: { | |||
7070 | NestedNameSpecifierLoc QualifierLoc = ReadNestedNameSpecifierLoc(F, Record, | |||
7071 | Index); | |||
7072 | SourceLocation TemplateNameLoc = ReadSourceLocation(F, Record, Index); | |||
7073 | SourceLocation EllipsisLoc = ReadSourceLocation(F, Record, Index); | |||
7074 | return TemplateArgumentLocInfo(QualifierLoc, TemplateNameLoc, | |||
7075 | EllipsisLoc); | |||
7076 | } | |||
7077 | case TemplateArgument::Null: | |||
7078 | case TemplateArgument::Integral: | |||
7079 | case TemplateArgument::Declaration: | |||
7080 | case TemplateArgument::NullPtr: | |||
7081 | case TemplateArgument::Pack: | |||
7082 | // FIXME: Is this right? | |||
7083 | return TemplateArgumentLocInfo(); | |||
7084 | } | |||
7085 | llvm_unreachable("unexpected template argument loc")::llvm::llvm_unreachable_internal("unexpected template argument loc" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7085); | |||
7086 | } | |||
7087 | ||||
7088 | TemplateArgumentLoc | |||
7089 | ASTReader::ReadTemplateArgumentLoc(ModuleFile &F, | |||
7090 | const RecordData &Record, unsigned &Index) { | |||
7091 | TemplateArgument Arg = ReadTemplateArgument(F, Record, Index); | |||
7092 | ||||
7093 | if (Arg.getKind() == TemplateArgument::Expression) { | |||
7094 | if (Record[Index++]) // bool InfoHasSameExpr. | |||
7095 | return TemplateArgumentLoc(Arg, TemplateArgumentLocInfo(Arg.getAsExpr())); | |||
7096 | } | |||
7097 | return TemplateArgumentLoc(Arg, GetTemplateArgumentLocInfo(F, Arg.getKind(), | |||
7098 | Record, Index)); | |||
7099 | } | |||
7100 | ||||
7101 | const ASTTemplateArgumentListInfo* | |||
7102 | ASTReader::ReadASTTemplateArgumentListInfo(ModuleFile &F, | |||
7103 | const RecordData &Record, | |||
7104 | unsigned &Index) { | |||
7105 | SourceLocation LAngleLoc = ReadSourceLocation(F, Record, Index); | |||
7106 | SourceLocation RAngleLoc = ReadSourceLocation(F, Record, Index); | |||
7107 | unsigned NumArgsAsWritten = Record[Index++]; | |||
7108 | TemplateArgumentListInfo TemplArgsInfo(LAngleLoc, RAngleLoc); | |||
7109 | for (unsigned i = 0; i != NumArgsAsWritten; ++i) | |||
7110 | TemplArgsInfo.addArgument(ReadTemplateArgumentLoc(F, Record, Index)); | |||
7111 | return ASTTemplateArgumentListInfo::Create(getContext(), TemplArgsInfo); | |||
7112 | } | |||
7113 | ||||
7114 | Decl *ASTReader::GetExternalDecl(uint32_t ID) { | |||
7115 | return GetDecl(ID); | |||
7116 | } | |||
7117 | ||||
7118 | void ASTReader::CompleteRedeclChain(const Decl *D) { | |||
7119 | if (NumCurrentElementsDeserializing) { | |||
7120 | // We arrange to not care about the complete redeclaration chain while we're | |||
7121 | // deserializing. Just remember that the AST has marked this one as complete | |||
7122 | // but that it's not actually complete yet, so we know we still need to | |||
7123 | // complete it later. | |||
7124 | PendingIncompleteDeclChains.push_back(const_cast<Decl*>(D)); | |||
7125 | return; | |||
7126 | } | |||
7127 | ||||
7128 | const DeclContext *DC = D->getDeclContext()->getRedeclContext(); | |||
7129 | ||||
7130 | // If this is a named declaration, complete it by looking it up | |||
7131 | // within its context. | |||
7132 | // | |||
7133 | // FIXME: Merging a function definition should merge | |||
7134 | // all mergeable entities within it. | |||
7135 | if (isa<TranslationUnitDecl>(DC) || isa<NamespaceDecl>(DC) || | |||
7136 | isa<CXXRecordDecl>(DC) || isa<EnumDecl>(DC)) { | |||
7137 | if (DeclarationName Name = cast<NamedDecl>(D)->getDeclName()) { | |||
7138 | if (!getContext().getLangOpts().CPlusPlus && | |||
7139 | isa<TranslationUnitDecl>(DC)) { | |||
7140 | // Outside of C++, we don't have a lookup table for the TU, so update | |||
7141 | // the identifier instead. (For C++ modules, we don't store decls | |||
7142 | // in the serialized identifier table, so we do the lookup in the TU.) | |||
7143 | auto *II = Name.getAsIdentifierInfo(); | |||
7144 | assert(II && "non-identifier name in C?")(static_cast <bool> (II && "non-identifier name in C?" ) ? void (0) : __assert_fail ("II && \"non-identifier name in C?\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7144, __extension__ __PRETTY_FUNCTION__)); | |||
7145 | if (II->isOutOfDate()) | |||
7146 | updateOutOfDateIdentifier(*II); | |||
7147 | } else | |||
7148 | DC->lookup(Name); | |||
7149 | } else if (needsAnonymousDeclarationNumber(cast<NamedDecl>(D))) { | |||
7150 | // Find all declarations of this kind from the relevant context. | |||
7151 | for (auto *DCDecl : cast<Decl>(D->getLexicalDeclContext())->redecls()) { | |||
7152 | auto *DC = cast<DeclContext>(DCDecl); | |||
7153 | SmallVector<Decl*, 8> Decls; | |||
7154 | FindExternalLexicalDecls( | |||
7155 | DC, [&](Decl::Kind K) { return K == D->getKind(); }, Decls); | |||
7156 | } | |||
7157 | } | |||
7158 | } | |||
7159 | ||||
7160 | if (auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(D)) | |||
7161 | CTSD->getSpecializedTemplate()->LoadLazySpecializations(); | |||
7162 | if (auto *VTSD = dyn_cast<VarTemplateSpecializationDecl>(D)) | |||
7163 | VTSD->getSpecializedTemplate()->LoadLazySpecializations(); | |||
7164 | if (auto *FD = dyn_cast<FunctionDecl>(D)) { | |||
7165 | if (auto *Template = FD->getPrimaryTemplate()) | |||
7166 | Template->LoadLazySpecializations(); | |||
7167 | } | |||
7168 | } | |||
7169 | ||||
7170 | CXXCtorInitializer ** | |||
7171 | ASTReader::GetExternalCXXCtorInitializers(uint64_t Offset) { | |||
7172 | RecordLocation Loc = getLocalBitOffset(Offset); | |||
7173 | BitstreamCursor &Cursor = Loc.F->DeclsCursor; | |||
7174 | SavedStreamPosition SavedPosition(Cursor); | |||
7175 | Cursor.JumpToBit(Loc.Offset); | |||
7176 | ReadingKindTracker ReadingKind(Read_Decl, *this); | |||
7177 | ||||
7178 | RecordData Record; | |||
7179 | unsigned Code = Cursor.ReadCode(); | |||
7180 | unsigned RecCode = Cursor.readRecord(Code, Record); | |||
7181 | if (RecCode != DECL_CXX_CTOR_INITIALIZERS) { | |||
| ||||
7182 | Error("malformed AST file: missing C++ ctor initializers"); | |||
7183 | return nullptr; | |||
7184 | } | |||
7185 | ||||
7186 | unsigned Idx = 0; | |||
7187 | return ReadCXXCtorInitializers(*Loc.F, Record, Idx); | |||
7188 | } | |||
7189 | ||||
7190 | CXXBaseSpecifier *ASTReader::GetExternalCXXBaseSpecifiers(uint64_t Offset) { | |||
7191 | assert(ContextObj && "reading base specifiers with no AST context")(static_cast <bool> (ContextObj && "reading base specifiers with no AST context" ) ? void (0) : __assert_fail ("ContextObj && \"reading base specifiers with no AST context\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7191, __extension__ __PRETTY_FUNCTION__)); | |||
7192 | ASTContext &Context = *ContextObj; | |||
7193 | ||||
7194 | RecordLocation Loc = getLocalBitOffset(Offset); | |||
7195 | BitstreamCursor &Cursor = Loc.F->DeclsCursor; | |||
7196 | SavedStreamPosition SavedPosition(Cursor); | |||
7197 | Cursor.JumpToBit(Loc.Offset); | |||
7198 | ReadingKindTracker ReadingKind(Read_Decl, *this); | |||
7199 | RecordData Record; | |||
7200 | unsigned Code = Cursor.ReadCode(); | |||
7201 | unsigned RecCode = Cursor.readRecord(Code, Record); | |||
7202 | if (RecCode != DECL_CXX_BASE_SPECIFIERS) { | |||
7203 | Error("malformed AST file: missing C++ base specifiers"); | |||
7204 | return nullptr; | |||
7205 | } | |||
7206 | ||||
7207 | unsigned Idx = 0; | |||
7208 | unsigned NumBases = Record[Idx++]; | |||
7209 | void *Mem = Context.Allocate(sizeof(CXXBaseSpecifier) * NumBases); | |||
7210 | CXXBaseSpecifier *Bases = new (Mem) CXXBaseSpecifier [NumBases]; | |||
7211 | for (unsigned I = 0; I != NumBases; ++I) | |||
7212 | Bases[I] = ReadCXXBaseSpecifier(*Loc.F, Record, Idx); | |||
7213 | return Bases; | |||
7214 | } | |||
7215 | ||||
7216 | serialization::DeclID | |||
7217 | ASTReader::getGlobalDeclID(ModuleFile &F, LocalDeclID LocalID) const { | |||
7218 | if (LocalID < NUM_PREDEF_DECL_IDS) | |||
7219 | return LocalID; | |||
7220 | ||||
7221 | if (!F.ModuleOffsetMap.empty()) | |||
7222 | ReadModuleOffsetMap(F); | |||
7223 | ||||
7224 | ContinuousRangeMap<uint32_t, int, 2>::iterator I | |||
7225 | = F.DeclRemap.find(LocalID - NUM_PREDEF_DECL_IDS); | |||
7226 | assert(I != F.DeclRemap.end() && "Invalid index into decl index remap")(static_cast <bool> (I != F.DeclRemap.end() && "Invalid index into decl index remap" ) ? void (0) : __assert_fail ("I != F.DeclRemap.end() && \"Invalid index into decl index remap\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7226, __extension__ __PRETTY_FUNCTION__)); | |||
7227 | ||||
7228 | return LocalID + I->second; | |||
7229 | } | |||
7230 | ||||
7231 | bool ASTReader::isDeclIDFromModule(serialization::GlobalDeclID ID, | |||
7232 | ModuleFile &M) const { | |||
7233 | // Predefined decls aren't from any module. | |||
7234 | if (ID < NUM_PREDEF_DECL_IDS) | |||
7235 | return false; | |||
7236 | ||||
7237 | return ID - NUM_PREDEF_DECL_IDS >= M.BaseDeclID && | |||
7238 | ID - NUM_PREDEF_DECL_IDS < M.BaseDeclID + M.LocalNumDecls; | |||
7239 | } | |||
7240 | ||||
7241 | ModuleFile *ASTReader::getOwningModuleFile(const Decl *D) { | |||
7242 | if (!D->isFromASTFile()) | |||
7243 | return nullptr; | |||
7244 | GlobalDeclMapType::const_iterator I = GlobalDeclMap.find(D->getGlobalID()); | |||
7245 | assert(I != GlobalDeclMap.end() && "Corrupted global declaration map")(static_cast <bool> (I != GlobalDeclMap.end() && "Corrupted global declaration map") ? void (0) : __assert_fail ("I != GlobalDeclMap.end() && \"Corrupted global declaration map\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7245, __extension__ __PRETTY_FUNCTION__)); | |||
7246 | return I->second; | |||
7247 | } | |||
7248 | ||||
7249 | SourceLocation ASTReader::getSourceLocationForDeclID(GlobalDeclID ID) { | |||
7250 | if (ID < NUM_PREDEF_DECL_IDS) | |||
7251 | return SourceLocation(); | |||
7252 | ||||
7253 | unsigned Index = ID - NUM_PREDEF_DECL_IDS; | |||
7254 | ||||
7255 | if (Index > DeclsLoaded.size()) { | |||
7256 | Error("declaration ID out-of-range for AST file"); | |||
7257 | return SourceLocation(); | |||
7258 | } | |||
7259 | ||||
7260 | if (Decl *D = DeclsLoaded[Index]) | |||
7261 | return D->getLocation(); | |||
7262 | ||||
7263 | SourceLocation Loc; | |||
7264 | DeclCursorForID(ID, Loc); | |||
7265 | return Loc; | |||
7266 | } | |||
7267 | ||||
7268 | static Decl *getPredefinedDecl(ASTContext &Context, PredefinedDeclIDs ID) { | |||
7269 | switch (ID) { | |||
7270 | case PREDEF_DECL_NULL_ID: | |||
7271 | return nullptr; | |||
7272 | ||||
7273 | case PREDEF_DECL_TRANSLATION_UNIT_ID: | |||
7274 | return Context.getTranslationUnitDecl(); | |||
7275 | ||||
7276 | case PREDEF_DECL_OBJC_ID_ID: | |||
7277 | return Context.getObjCIdDecl(); | |||
7278 | ||||
7279 | case PREDEF_DECL_OBJC_SEL_ID: | |||
7280 | return Context.getObjCSelDecl(); | |||
7281 | ||||
7282 | case PREDEF_DECL_OBJC_CLASS_ID: | |||
7283 | return Context.getObjCClassDecl(); | |||
7284 | ||||
7285 | case PREDEF_DECL_OBJC_PROTOCOL_ID: | |||
7286 | return Context.getObjCProtocolDecl(); | |||
7287 | ||||
7288 | case PREDEF_DECL_INT_128_ID: | |||
7289 | return Context.getInt128Decl(); | |||
7290 | ||||
7291 | case PREDEF_DECL_UNSIGNED_INT_128_ID: | |||
7292 | return Context.getUInt128Decl(); | |||
7293 | ||||
7294 | case PREDEF_DECL_OBJC_INSTANCETYPE_ID: | |||
7295 | return Context.getObjCInstanceTypeDecl(); | |||
7296 | ||||
7297 | case PREDEF_DECL_BUILTIN_VA_LIST_ID: | |||
7298 | return Context.getBuiltinVaListDecl(); | |||
7299 | ||||
7300 | case PREDEF_DECL_VA_LIST_TAG: | |||
7301 | return Context.getVaListTagDecl(); | |||
7302 | ||||
7303 | case PREDEF_DECL_BUILTIN_MS_VA_LIST_ID: | |||
7304 | return Context.getBuiltinMSVaListDecl(); | |||
7305 | ||||
7306 | case PREDEF_DECL_EXTERN_C_CONTEXT_ID: | |||
7307 | return Context.getExternCContextDecl(); | |||
7308 | ||||
7309 | case PREDEF_DECL_MAKE_INTEGER_SEQ_ID: | |||
7310 | return Context.getMakeIntegerSeqDecl(); | |||
7311 | ||||
7312 | case PREDEF_DECL_CF_CONSTANT_STRING_ID: | |||
7313 | return Context.getCFConstantStringDecl(); | |||
7314 | ||||
7315 | case PREDEF_DECL_CF_CONSTANT_STRING_TAG_ID: | |||
7316 | return Context.getCFConstantStringTagDecl(); | |||
7317 | ||||
7318 | case PREDEF_DECL_TYPE_PACK_ELEMENT_ID: | |||
7319 | return Context.getTypePackElementDecl(); | |||
7320 | } | |||
7321 | llvm_unreachable("PredefinedDeclIDs unknown enum value")::llvm::llvm_unreachable_internal("PredefinedDeclIDs unknown enum value" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7321); | |||
7322 | } | |||
7323 | ||||
7324 | Decl *ASTReader::GetExistingDecl(DeclID ID) { | |||
7325 | assert(ContextObj && "reading decl with no AST context")(static_cast <bool> (ContextObj && "reading decl with no AST context" ) ? void (0) : __assert_fail ("ContextObj && \"reading decl with no AST context\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7325, __extension__ __PRETTY_FUNCTION__)); | |||
7326 | if (ID < NUM_PREDEF_DECL_IDS) { | |||
7327 | Decl *D = getPredefinedDecl(*ContextObj, (PredefinedDeclIDs)ID); | |||
7328 | if (D) { | |||
7329 | // Track that we have merged the declaration with ID \p ID into the | |||
7330 | // pre-existing predefined declaration \p D. | |||
7331 | auto &Merged = KeyDecls[D->getCanonicalDecl()]; | |||
7332 | if (Merged.empty()) | |||
7333 | Merged.push_back(ID); | |||
7334 | } | |||
7335 | return D; | |||
7336 | } | |||
7337 | ||||
7338 | unsigned Index = ID - NUM_PREDEF_DECL_IDS; | |||
7339 | ||||
7340 | if (Index >= DeclsLoaded.size()) { | |||
7341 | assert(0 && "declaration ID out-of-range for AST file")(static_cast <bool> (0 && "declaration ID out-of-range for AST file" ) ? void (0) : __assert_fail ("0 && \"declaration ID out-of-range for AST file\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7341, __extension__ __PRETTY_FUNCTION__)); | |||
7342 | Error("declaration ID out-of-range for AST file"); | |||
7343 | return nullptr; | |||
7344 | } | |||
7345 | ||||
7346 | return DeclsLoaded[Index]; | |||
7347 | } | |||
7348 | ||||
7349 | Decl *ASTReader::GetDecl(DeclID ID) { | |||
7350 | if (ID < NUM_PREDEF_DECL_IDS) | |||
7351 | return GetExistingDecl(ID); | |||
7352 | ||||
7353 | unsigned Index = ID - NUM_PREDEF_DECL_IDS; | |||
7354 | ||||
7355 | if (Index >= DeclsLoaded.size()) { | |||
7356 | assert(0 && "declaration ID out-of-range for AST file")(static_cast <bool> (0 && "declaration ID out-of-range for AST file" ) ? void (0) : __assert_fail ("0 && \"declaration ID out-of-range for AST file\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7356, __extension__ __PRETTY_FUNCTION__)); | |||
7357 | Error("declaration ID out-of-range for AST file"); | |||
7358 | return nullptr; | |||
7359 | } | |||
7360 | ||||
7361 | if (!DeclsLoaded[Index]) { | |||
7362 | ReadDeclRecord(ID); | |||
7363 | if (DeserializationListener) | |||
7364 | DeserializationListener->DeclRead(ID, DeclsLoaded[Index]); | |||
7365 | } | |||
7366 | ||||
7367 | return DeclsLoaded[Index]; | |||
7368 | } | |||
7369 | ||||
7370 | DeclID ASTReader::mapGlobalIDToModuleFileGlobalID(ModuleFile &M, | |||
7371 | DeclID GlobalID) { | |||
7372 | if (GlobalID < NUM_PREDEF_DECL_IDS) | |||
7373 | return GlobalID; | |||
7374 | ||||
7375 | GlobalDeclMapType::const_iterator I = GlobalDeclMap.find(GlobalID); | |||
7376 | assert(I != GlobalDeclMap.end() && "Corrupted global declaration map")(static_cast <bool> (I != GlobalDeclMap.end() && "Corrupted global declaration map") ? void (0) : __assert_fail ("I != GlobalDeclMap.end() && \"Corrupted global declaration map\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7376, __extension__ __PRETTY_FUNCTION__)); | |||
7377 | ModuleFile *Owner = I->second; | |||
7378 | ||||
7379 | llvm::DenseMap<ModuleFile *, serialization::DeclID>::iterator Pos | |||
7380 | = M.GlobalToLocalDeclIDs.find(Owner); | |||
7381 | if (Pos == M.GlobalToLocalDeclIDs.end()) | |||
7382 | return 0; | |||
7383 | ||||
7384 | return GlobalID - Owner->BaseDeclID + Pos->second; | |||
7385 | } | |||
7386 | ||||
7387 | serialization::DeclID ASTReader::ReadDeclID(ModuleFile &F, | |||
7388 | const RecordData &Record, | |||
7389 | unsigned &Idx) { | |||
7390 | if (Idx >= Record.size()) { | |||
7391 | Error("Corrupted AST file"); | |||
7392 | return 0; | |||
7393 | } | |||
7394 | ||||
7395 | return getGlobalDeclID(F, Record[Idx++]); | |||
7396 | } | |||
7397 | ||||
7398 | /// Resolve the offset of a statement into a statement. | |||
7399 | /// | |||
7400 | /// This operation will read a new statement from the external | |||
7401 | /// source each time it is called, and is meant to be used via a | |||
7402 | /// LazyOffsetPtr (which is used by Decls for the body of functions, etc). | |||
7403 | Stmt *ASTReader::GetExternalDeclStmt(uint64_t Offset) { | |||
7404 | // Switch case IDs are per Decl. | |||
7405 | ClearSwitchCaseIDs(); | |||
7406 | ||||
7407 | // Offset here is a global offset across the entire chain. | |||
7408 | RecordLocation Loc = getLocalBitOffset(Offset); | |||
7409 | Loc.F->DeclsCursor.JumpToBit(Loc.Offset); | |||
7410 | assert(NumCurrentElementsDeserializing == 0 &&(static_cast <bool> (NumCurrentElementsDeserializing == 0 && "should not be called while already deserializing" ) ? void (0) : __assert_fail ("NumCurrentElementsDeserializing == 0 && \"should not be called while already deserializing\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7411, __extension__ __PRETTY_FUNCTION__)) | |||
7411 | "should not be called while already deserializing")(static_cast <bool> (NumCurrentElementsDeserializing == 0 && "should not be called while already deserializing" ) ? void (0) : __assert_fail ("NumCurrentElementsDeserializing == 0 && \"should not be called while already deserializing\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7411, __extension__ __PRETTY_FUNCTION__)); | |||
7412 | Deserializing D(this); | |||
7413 | return ReadStmtFromStream(*Loc.F); | |||
7414 | } | |||
7415 | ||||
7416 | void ASTReader::FindExternalLexicalDecls( | |||
7417 | const DeclContext *DC, llvm::function_ref<bool(Decl::Kind)> IsKindWeWant, | |||
7418 | SmallVectorImpl<Decl *> &Decls) { | |||
7419 | bool PredefsVisited[NUM_PREDEF_DECL_IDS] = {}; | |||
7420 | ||||
7421 | auto Visit = [&] (ModuleFile *M, LexicalContents LexicalDecls) { | |||
7422 | assert(LexicalDecls.size() % 2 == 0 && "expected an even number of entries")(static_cast <bool> (LexicalDecls.size() % 2 == 0 && "expected an even number of entries") ? void (0) : __assert_fail ("LexicalDecls.size() % 2 == 0 && \"expected an even number of entries\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7422, __extension__ __PRETTY_FUNCTION__)); | |||
7423 | for (int I = 0, N = LexicalDecls.size(); I != N; I += 2) { | |||
7424 | auto K = (Decl::Kind)+LexicalDecls[I]; | |||
7425 | if (!IsKindWeWant(K)) | |||
7426 | continue; | |||
7427 | ||||
7428 | auto ID = (serialization::DeclID)+LexicalDecls[I + 1]; | |||
7429 | ||||
7430 | // Don't add predefined declarations to the lexical context more | |||
7431 | // than once. | |||
7432 | if (ID < NUM_PREDEF_DECL_IDS) { | |||
7433 | if (PredefsVisited[ID]) | |||
7434 | continue; | |||
7435 | ||||
7436 | PredefsVisited[ID] = true; | |||
7437 | } | |||
7438 | ||||
7439 | if (Decl *D = GetLocalDecl(*M, ID)) { | |||
7440 | assert(D->getKind() == K && "wrong kind for lexical decl")(static_cast <bool> (D->getKind() == K && "wrong kind for lexical decl" ) ? void (0) : __assert_fail ("D->getKind() == K && \"wrong kind for lexical decl\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7440, __extension__ __PRETTY_FUNCTION__)); | |||
7441 | if (!DC->isDeclInLexicalTraversal(D)) | |||
7442 | Decls.push_back(D); | |||
7443 | } | |||
7444 | } | |||
7445 | }; | |||
7446 | ||||
7447 | if (isa<TranslationUnitDecl>(DC)) { | |||
7448 | for (auto Lexical : TULexicalDecls) | |||
7449 | Visit(Lexical.first, Lexical.second); | |||
7450 | } else { | |||
7451 | auto I = LexicalDecls.find(DC); | |||
7452 | if (I != LexicalDecls.end()) | |||
7453 | Visit(I->second.first, I->second.second); | |||
7454 | } | |||
7455 | ||||
7456 | ++NumLexicalDeclContextsRead; | |||
7457 | } | |||
7458 | ||||
7459 | namespace { | |||
7460 | ||||
7461 | class DeclIDComp { | |||
7462 | ASTReader &Reader; | |||
7463 | ModuleFile &Mod; | |||
7464 | ||||
7465 | public: | |||
7466 | DeclIDComp(ASTReader &Reader, ModuleFile &M) : Reader(Reader), Mod(M) {} | |||
7467 | ||||
7468 | bool operator()(LocalDeclID L, LocalDeclID R) const { | |||
7469 | SourceLocation LHS = getLocation(L); | |||
7470 | SourceLocation RHS = getLocation(R); | |||
7471 | return Reader.getSourceManager().isBeforeInTranslationUnit(LHS, RHS); | |||
7472 | } | |||
7473 | ||||
7474 | bool operator()(SourceLocation LHS, LocalDeclID R) const { | |||
7475 | SourceLocation RHS = getLocation(R); | |||
7476 | return Reader.getSourceManager().isBeforeInTranslationUnit(LHS, RHS); | |||
7477 | } | |||
7478 | ||||
7479 | bool operator()(LocalDeclID L, SourceLocation RHS) const { | |||
7480 | SourceLocation LHS = getLocation(L); | |||
7481 | return Reader.getSourceManager().isBeforeInTranslationUnit(LHS, RHS); | |||
7482 | } | |||
7483 | ||||
7484 | SourceLocation getLocation(LocalDeclID ID) const { | |||
7485 | return Reader.getSourceManager().getFileLoc( | |||
7486 | Reader.getSourceLocationForDeclID(Reader.getGlobalDeclID(Mod, ID))); | |||
7487 | } | |||
7488 | }; | |||
7489 | ||||
7490 | } // namespace | |||
7491 | ||||
7492 | void ASTReader::FindFileRegionDecls(FileID File, | |||
7493 | unsigned Offset, unsigned Length, | |||
7494 | SmallVectorImpl<Decl *> &Decls) { | |||
7495 | SourceManager &SM = getSourceManager(); | |||
7496 | ||||
7497 | llvm::DenseMap<FileID, FileDeclsInfo>::iterator I = FileDeclIDs.find(File); | |||
7498 | if (I == FileDeclIDs.end()) | |||
7499 | return; | |||
7500 | ||||
7501 | FileDeclsInfo &DInfo = I->second; | |||
7502 | if (DInfo.Decls.empty()) | |||
7503 | return; | |||
7504 | ||||
7505 | SourceLocation | |||
7506 | BeginLoc = SM.getLocForStartOfFile(File).getLocWithOffset(Offset); | |||
7507 | SourceLocation EndLoc = BeginLoc.getLocWithOffset(Length); | |||
7508 | ||||
7509 | DeclIDComp DIDComp(*this, *DInfo.Mod); | |||
7510 | ArrayRef<serialization::LocalDeclID>::iterator | |||
7511 | BeginIt = std::lower_bound(DInfo.Decls.begin(), DInfo.Decls.end(), | |||
7512 | BeginLoc, DIDComp); | |||
7513 | if (BeginIt != DInfo.Decls.begin()) | |||
7514 | --BeginIt; | |||
7515 | ||||
7516 | // If we are pointing at a top-level decl inside an objc container, we need | |||
7517 | // to backtrack until we find it otherwise we will fail to report that the | |||
7518 | // region overlaps with an objc container. | |||
7519 | while (BeginIt != DInfo.Decls.begin() && | |||
7520 | GetDecl(getGlobalDeclID(*DInfo.Mod, *BeginIt)) | |||
7521 | ->isTopLevelDeclInObjCContainer()) | |||
7522 | --BeginIt; | |||
7523 | ||||
7524 | ArrayRef<serialization::LocalDeclID>::iterator | |||
7525 | EndIt = std::upper_bound(DInfo.Decls.begin(), DInfo.Decls.end(), | |||
7526 | EndLoc, DIDComp); | |||
7527 | if (EndIt != DInfo.Decls.end()) | |||
7528 | ++EndIt; | |||
7529 | ||||
7530 | for (ArrayRef<serialization::LocalDeclID>::iterator | |||
7531 | DIt = BeginIt; DIt != EndIt; ++DIt) | |||
7532 | Decls.push_back(GetDecl(getGlobalDeclID(*DInfo.Mod, *DIt))); | |||
7533 | } | |||
7534 | ||||
7535 | bool | |||
7536 | ASTReader::FindExternalVisibleDeclsByName(const DeclContext *DC, | |||
7537 | DeclarationName Name) { | |||
7538 | assert(DC->hasExternalVisibleStorage() && DC == DC->getPrimaryContext() &&(static_cast <bool> (DC->hasExternalVisibleStorage() && DC == DC->getPrimaryContext() && "DeclContext has no visible decls in storage" ) ? void (0) : __assert_fail ("DC->hasExternalVisibleStorage() && DC == DC->getPrimaryContext() && \"DeclContext has no visible decls in storage\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7539, __extension__ __PRETTY_FUNCTION__)) | |||
7539 | "DeclContext has no visible decls in storage")(static_cast <bool> (DC->hasExternalVisibleStorage() && DC == DC->getPrimaryContext() && "DeclContext has no visible decls in storage" ) ? void (0) : __assert_fail ("DC->hasExternalVisibleStorage() && DC == DC->getPrimaryContext() && \"DeclContext has no visible decls in storage\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7539, __extension__ __PRETTY_FUNCTION__)); | |||
7540 | if (!Name) | |||
7541 | return false; | |||
7542 | ||||
7543 | auto It = Lookups.find(DC); | |||
7544 | if (It == Lookups.end()) | |||
7545 | return false; | |||
7546 | ||||
7547 | Deserializing LookupResults(this); | |||
7548 | ||||
7549 | // Load the list of declarations. | |||
7550 | SmallVector<NamedDecl *, 64> Decls; | |||
7551 | for (DeclID ID : It->second.Table.find(Name)) { | |||
7552 | NamedDecl *ND = cast<NamedDecl>(GetDecl(ID)); | |||
7553 | if (ND->getDeclName() == Name) | |||
7554 | Decls.push_back(ND); | |||
7555 | } | |||
7556 | ||||
7557 | ++NumVisibleDeclContextsRead; | |||
7558 | SetExternalVisibleDeclsForName(DC, Name, Decls); | |||
7559 | return !Decls.empty(); | |||
7560 | } | |||
7561 | ||||
7562 | void ASTReader::completeVisibleDeclsMap(const DeclContext *DC) { | |||
7563 | if (!DC->hasExternalVisibleStorage()) | |||
7564 | return; | |||
7565 | ||||
7566 | auto It = Lookups.find(DC); | |||
7567 | assert(It != Lookups.end() &&(static_cast <bool> (It != Lookups.end() && "have external visible storage but no lookup tables" ) ? void (0) : __assert_fail ("It != Lookups.end() && \"have external visible storage but no lookup tables\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7568, __extension__ __PRETTY_FUNCTION__)) | |||
7568 | "have external visible storage but no lookup tables")(static_cast <bool> (It != Lookups.end() && "have external visible storage but no lookup tables" ) ? void (0) : __assert_fail ("It != Lookups.end() && \"have external visible storage but no lookup tables\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7568, __extension__ __PRETTY_FUNCTION__)); | |||
7569 | ||||
7570 | DeclsMap Decls; | |||
7571 | ||||
7572 | for (DeclID ID : It->second.Table.findAll()) { | |||
7573 | NamedDecl *ND = cast<NamedDecl>(GetDecl(ID)); | |||
7574 | Decls[ND->getDeclName()].push_back(ND); | |||
7575 | } | |||
7576 | ||||
7577 | ++NumVisibleDeclContextsRead; | |||
7578 | ||||
7579 | for (DeclsMap::iterator I = Decls.begin(), E = Decls.end(); I != E; ++I) { | |||
7580 | SetExternalVisibleDeclsForName(DC, I->first, I->second); | |||
7581 | } | |||
7582 | const_cast<DeclContext *>(DC)->setHasExternalVisibleStorage(false); | |||
7583 | } | |||
7584 | ||||
7585 | const serialization::reader::DeclContextLookupTable * | |||
7586 | ASTReader::getLoadedLookupTables(DeclContext *Primary) const { | |||
7587 | auto I = Lookups.find(Primary); | |||
7588 | return I == Lookups.end() ? nullptr : &I->second; | |||
7589 | } | |||
7590 | ||||
7591 | /// Under non-PCH compilation the consumer receives the objc methods | |||
7592 | /// before receiving the implementation, and codegen depends on this. | |||
7593 | /// We simulate this by deserializing and passing to consumer the methods of the | |||
7594 | /// implementation before passing the deserialized implementation decl. | |||
7595 | static void PassObjCImplDeclToConsumer(ObjCImplDecl *ImplD, | |||
7596 | ASTConsumer *Consumer) { | |||
7597 | assert(ImplD && Consumer)(static_cast <bool> (ImplD && Consumer) ? void ( 0) : __assert_fail ("ImplD && Consumer", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7597, __extension__ __PRETTY_FUNCTION__)); | |||
7598 | ||||
7599 | for (auto *I : ImplD->methods()) | |||
7600 | Consumer->HandleInterestingDecl(DeclGroupRef(I)); | |||
7601 | ||||
7602 | Consumer->HandleInterestingDecl(DeclGroupRef(ImplD)); | |||
7603 | } | |||
7604 | ||||
7605 | void ASTReader::PassInterestingDeclToConsumer(Decl *D) { | |||
7606 | if (ObjCImplDecl *ImplD = dyn_cast<ObjCImplDecl>(D)) | |||
7607 | PassObjCImplDeclToConsumer(ImplD, Consumer); | |||
7608 | else | |||
7609 | Consumer->HandleInterestingDecl(DeclGroupRef(D)); | |||
7610 | } | |||
7611 | ||||
7612 | void ASTReader::StartTranslationUnit(ASTConsumer *Consumer) { | |||
7613 | this->Consumer = Consumer; | |||
7614 | ||||
7615 | if (Consumer) | |||
7616 | PassInterestingDeclsToConsumer(); | |||
7617 | ||||
7618 | if (DeserializationListener) | |||
7619 | DeserializationListener->ReaderInitialized(this); | |||
7620 | } | |||
7621 | ||||
7622 | void ASTReader::PrintStats() { | |||
7623 | std::fprintf(stderrstderr, "*** AST File Statistics:\n"); | |||
7624 | ||||
7625 | unsigned NumTypesLoaded | |||
7626 | = TypesLoaded.size() - std::count(TypesLoaded.begin(), TypesLoaded.end(), | |||
7627 | QualType()); | |||
7628 | unsigned NumDeclsLoaded | |||
7629 | = DeclsLoaded.size() - std::count(DeclsLoaded.begin(), DeclsLoaded.end(), | |||
7630 | (Decl *)nullptr); | |||
7631 | unsigned NumIdentifiersLoaded | |||
7632 | = IdentifiersLoaded.size() - std::count(IdentifiersLoaded.begin(), | |||
7633 | IdentifiersLoaded.end(), | |||
7634 | (IdentifierInfo *)nullptr); | |||
7635 | unsigned NumMacrosLoaded | |||
7636 | = MacrosLoaded.size() - std::count(MacrosLoaded.begin(), | |||
7637 | MacrosLoaded.end(), | |||
7638 | (MacroInfo *)nullptr); | |||
7639 | unsigned NumSelectorsLoaded | |||
7640 | = SelectorsLoaded.size() - std::count(SelectorsLoaded.begin(), | |||
7641 | SelectorsLoaded.end(), | |||
7642 | Selector()); | |||
7643 | ||||
7644 | if (unsigned TotalNumSLocEntries = getTotalNumSLocs()) | |||
7645 | std::fprintf(stderrstderr, " %u/%u source location entries read (%f%%)\n", | |||
7646 | NumSLocEntriesRead, TotalNumSLocEntries, | |||
7647 | ((float)NumSLocEntriesRead/TotalNumSLocEntries * 100)); | |||
7648 | if (!TypesLoaded.empty()) | |||
7649 | std::fprintf(stderrstderr, " %u/%u types read (%f%%)\n", | |||
7650 | NumTypesLoaded, (unsigned)TypesLoaded.size(), | |||
7651 | ((float)NumTypesLoaded/TypesLoaded.size() * 100)); | |||
7652 | if (!DeclsLoaded.empty()) | |||
7653 | std::fprintf(stderrstderr, " %u/%u declarations read (%f%%)\n", | |||
7654 | NumDeclsLoaded, (unsigned)DeclsLoaded.size(), | |||
7655 | ((float)NumDeclsLoaded/DeclsLoaded.size() * 100)); | |||
7656 | if (!IdentifiersLoaded.empty()) | |||
7657 | std::fprintf(stderrstderr, " %u/%u identifiers read (%f%%)\n", | |||
7658 | NumIdentifiersLoaded, (unsigned)IdentifiersLoaded.size(), | |||
7659 | ((float)NumIdentifiersLoaded/IdentifiersLoaded.size() * 100)); | |||
7660 | if (!MacrosLoaded.empty()) | |||
7661 | std::fprintf(stderrstderr, " %u/%u macros read (%f%%)\n", | |||
7662 | NumMacrosLoaded, (unsigned)MacrosLoaded.size(), | |||
7663 | ((float)NumMacrosLoaded/MacrosLoaded.size() * 100)); | |||
7664 | if (!SelectorsLoaded.empty()) | |||
7665 | std::fprintf(stderrstderr, " %u/%u selectors read (%f%%)\n", | |||
7666 | NumSelectorsLoaded, (unsigned)SelectorsLoaded.size(), | |||
7667 | ((float)NumSelectorsLoaded/SelectorsLoaded.size() * 100)); | |||
7668 | if (TotalNumStatements) | |||
7669 | std::fprintf(stderrstderr, " %u/%u statements read (%f%%)\n", | |||
7670 | NumStatementsRead, TotalNumStatements, | |||
7671 | ((float)NumStatementsRead/TotalNumStatements * 100)); | |||
7672 | if (TotalNumMacros) | |||
7673 | std::fprintf(stderrstderr, " %u/%u macros read (%f%%)\n", | |||
7674 | NumMacrosRead, TotalNumMacros, | |||
7675 | ((float)NumMacrosRead/TotalNumMacros * 100)); | |||
7676 | if (TotalLexicalDeclContexts) | |||
7677 | std::fprintf(stderrstderr, " %u/%u lexical declcontexts read (%f%%)\n", | |||
7678 | NumLexicalDeclContextsRead, TotalLexicalDeclContexts, | |||
7679 | ((float)NumLexicalDeclContextsRead/TotalLexicalDeclContexts | |||
7680 | * 100)); | |||
7681 | if (TotalVisibleDeclContexts) | |||
7682 | std::fprintf(stderrstderr, " %u/%u visible declcontexts read (%f%%)\n", | |||
7683 | NumVisibleDeclContextsRead, TotalVisibleDeclContexts, | |||
7684 | ((float)NumVisibleDeclContextsRead/TotalVisibleDeclContexts | |||
7685 | * 100)); | |||
7686 | if (TotalNumMethodPoolEntries) | |||
7687 | std::fprintf(stderrstderr, " %u/%u method pool entries read (%f%%)\n", | |||
7688 | NumMethodPoolEntriesRead, TotalNumMethodPoolEntries, | |||
7689 | ((float)NumMethodPoolEntriesRead/TotalNumMethodPoolEntries | |||
7690 | * 100)); | |||
7691 | if (NumMethodPoolLookups) | |||
7692 | std::fprintf(stderrstderr, " %u/%u method pool lookups succeeded (%f%%)\n", | |||
7693 | NumMethodPoolHits, NumMethodPoolLookups, | |||
7694 | ((float)NumMethodPoolHits/NumMethodPoolLookups * 100.0)); | |||
7695 | if (NumMethodPoolTableLookups) | |||
7696 | std::fprintf(stderrstderr, " %u/%u method pool table lookups succeeded (%f%%)\n", | |||
7697 | NumMethodPoolTableHits, NumMethodPoolTableLookups, | |||
7698 | ((float)NumMethodPoolTableHits/NumMethodPoolTableLookups | |||
7699 | * 100.0)); | |||
7700 | if (NumIdentifierLookupHits) | |||
7701 | std::fprintf(stderrstderr, | |||
7702 | " %u / %u identifier table lookups succeeded (%f%%)\n", | |||
7703 | NumIdentifierLookupHits, NumIdentifierLookups, | |||
7704 | (double)NumIdentifierLookupHits*100.0/NumIdentifierLookups); | |||
7705 | ||||
7706 | if (GlobalIndex) { | |||
7707 | std::fprintf(stderrstderr, "\n"); | |||
7708 | GlobalIndex->printStats(); | |||
7709 | } | |||
7710 | ||||
7711 | std::fprintf(stderrstderr, "\n"); | |||
7712 | dump(); | |||
7713 | std::fprintf(stderrstderr, "\n"); | |||
7714 | } | |||
7715 | ||||
7716 | template<typename Key, typename ModuleFile, unsigned InitialCapacity> | |||
7717 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) static void | |||
7718 | dumpModuleIDMap(StringRef Name, | |||
7719 | const ContinuousRangeMap<Key, ModuleFile *, | |||
7720 | InitialCapacity> &Map) { | |||
7721 | if (Map.begin() == Map.end()) | |||
7722 | return; | |||
7723 | ||||
7724 | using MapType = ContinuousRangeMap<Key, ModuleFile *, InitialCapacity>; | |||
7725 | ||||
7726 | llvm::errs() << Name << ":\n"; | |||
7727 | for (typename MapType::const_iterator I = Map.begin(), IEnd = Map.end(); | |||
7728 | I != IEnd; ++I) { | |||
7729 | llvm::errs() << " " << I->first << " -> " << I->second->FileName | |||
7730 | << "\n"; | |||
7731 | } | |||
7732 | } | |||
7733 | ||||
7734 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) void ASTReader::dump() { | |||
7735 | llvm::errs() << "*** PCH/ModuleFile Remappings:\n"; | |||
7736 | dumpModuleIDMap("Global bit offset map", GlobalBitOffsetsMap); | |||
7737 | dumpModuleIDMap("Global source location entry map", GlobalSLocEntryMap); | |||
7738 | dumpModuleIDMap("Global type map", GlobalTypeMap); | |||
7739 | dumpModuleIDMap("Global declaration map", GlobalDeclMap); | |||
7740 | dumpModuleIDMap("Global identifier map", GlobalIdentifierMap); | |||
7741 | dumpModuleIDMap("Global macro map", GlobalMacroMap); | |||
7742 | dumpModuleIDMap("Global submodule map", GlobalSubmoduleMap); | |||
7743 | dumpModuleIDMap("Global selector map", GlobalSelectorMap); | |||
7744 | dumpModuleIDMap("Global preprocessed entity map", | |||
7745 | GlobalPreprocessedEntityMap); | |||
7746 | ||||
7747 | llvm::errs() << "\n*** PCH/Modules Loaded:"; | |||
7748 | for (ModuleFile &M : ModuleMgr) | |||
7749 | M.dump(); | |||
7750 | } | |||
7751 | ||||
7752 | /// Return the amount of memory used by memory buffers, breaking down | |||
7753 | /// by heap-backed versus mmap'ed memory. | |||
7754 | void ASTReader::getMemoryBufferSizes(MemoryBufferSizes &sizes) const { | |||
7755 | for (ModuleFile &I : ModuleMgr) { | |||
7756 | if (llvm::MemoryBuffer *buf = I.Buffer) { | |||
7757 | size_t bytes = buf->getBufferSize(); | |||
7758 | switch (buf->getBufferKind()) { | |||
7759 | case llvm::MemoryBuffer::MemoryBuffer_Malloc: | |||
7760 | sizes.malloc_bytes += bytes; | |||
7761 | break; | |||
7762 | case llvm::MemoryBuffer::MemoryBuffer_MMap: | |||
7763 | sizes.mmap_bytes += bytes; | |||
7764 | break; | |||
7765 | } | |||
7766 | } | |||
7767 | } | |||
7768 | } | |||
7769 | ||||
7770 | void ASTReader::InitializeSema(Sema &S) { | |||
7771 | SemaObj = &S; | |||
7772 | S.addExternalSource(this); | |||
7773 | ||||
7774 | // Makes sure any declarations that were deserialized "too early" | |||
7775 | // still get added to the identifier's declaration chains. | |||
7776 | for (uint64_t ID : PreloadedDeclIDs) { | |||
7777 | NamedDecl *D = cast<NamedDecl>(GetDecl(ID)); | |||
7778 | pushExternalDeclIntoScope(D, D->getDeclName()); | |||
7779 | } | |||
7780 | PreloadedDeclIDs.clear(); | |||
7781 | ||||
7782 | // FIXME: What happens if these are changed by a module import? | |||
7783 | if (!FPPragmaOptions.empty()) { | |||
7784 | assert(FPPragmaOptions.size() == 1 && "Wrong number of FP_PRAGMA_OPTIONS")(static_cast <bool> (FPPragmaOptions.size() == 1 && "Wrong number of FP_PRAGMA_OPTIONS") ? void (0) : __assert_fail ("FPPragmaOptions.size() == 1 && \"Wrong number of FP_PRAGMA_OPTIONS\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7784, __extension__ __PRETTY_FUNCTION__)); | |||
7785 | SemaObj->FPFeatures = FPOptions(FPPragmaOptions[0]); | |||
7786 | } | |||
7787 | ||||
7788 | SemaObj->OpenCLFeatures.copy(OpenCLExtensions); | |||
7789 | SemaObj->OpenCLTypeExtMap = OpenCLTypeExtMap; | |||
7790 | SemaObj->OpenCLDeclExtMap = OpenCLDeclExtMap; | |||
7791 | ||||
7792 | UpdateSema(); | |||
7793 | } | |||
7794 | ||||
7795 | void ASTReader::UpdateSema() { | |||
7796 | assert(SemaObj && "no Sema to update")(static_cast <bool> (SemaObj && "no Sema to update" ) ? void (0) : __assert_fail ("SemaObj && \"no Sema to update\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7796, __extension__ __PRETTY_FUNCTION__)); | |||
7797 | ||||
7798 | // Load the offsets of the declarations that Sema references. | |||
7799 | // They will be lazily deserialized when needed. | |||
7800 | if (!SemaDeclRefs.empty()) { | |||
7801 | assert(SemaDeclRefs.size() % 3 == 0)(static_cast <bool> (SemaDeclRefs.size() % 3 == 0) ? void (0) : __assert_fail ("SemaDeclRefs.size() % 3 == 0", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7801, __extension__ __PRETTY_FUNCTION__)); | |||
7802 | for (unsigned I = 0; I != SemaDeclRefs.size(); I += 3) { | |||
7803 | if (!SemaObj->StdNamespace) | |||
7804 | SemaObj->StdNamespace = SemaDeclRefs[I]; | |||
7805 | if (!SemaObj->StdBadAlloc) | |||
7806 | SemaObj->StdBadAlloc = SemaDeclRefs[I+1]; | |||
7807 | if (!SemaObj->StdAlignValT) | |||
7808 | SemaObj->StdAlignValT = SemaDeclRefs[I+2]; | |||
7809 | } | |||
7810 | SemaDeclRefs.clear(); | |||
7811 | } | |||
7812 | ||||
7813 | // Update the state of pragmas. Use the same API as if we had encountered the | |||
7814 | // pragma in the source. | |||
7815 | if(OptimizeOffPragmaLocation.isValid()) | |||
7816 | SemaObj->ActOnPragmaOptimize(/* IsOn = */ false, OptimizeOffPragmaLocation); | |||
7817 | if (PragmaMSStructState != -1) | |||
7818 | SemaObj->ActOnPragmaMSStruct((PragmaMSStructKind)PragmaMSStructState); | |||
7819 | if (PointersToMembersPragmaLocation.isValid()) { | |||
7820 | SemaObj->ActOnPragmaMSPointersToMembers( | |||
7821 | (LangOptions::PragmaMSPointersToMembersKind) | |||
7822 | PragmaMSPointersToMembersState, | |||
7823 | PointersToMembersPragmaLocation); | |||
7824 | } | |||
7825 | SemaObj->ForceCUDAHostDeviceDepth = ForceCUDAHostDeviceDepth; | |||
7826 | ||||
7827 | if (PragmaPackCurrentValue) { | |||
7828 | // The bottom of the stack might have a default value. It must be adjusted | |||
7829 | // to the current value to ensure that the packing state is preserved after | |||
7830 | // popping entries that were included/imported from a PCH/module. | |||
7831 | bool DropFirst = false; | |||
7832 | if (!PragmaPackStack.empty() && | |||
7833 | PragmaPackStack.front().Location.isInvalid()) { | |||
7834 | assert(PragmaPackStack.front().Value == SemaObj->PackStack.DefaultValue &&(static_cast <bool> (PragmaPackStack.front().Value == SemaObj ->PackStack.DefaultValue && "Expected a default alignment value" ) ? void (0) : __assert_fail ("PragmaPackStack.front().Value == SemaObj->PackStack.DefaultValue && \"Expected a default alignment value\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7835, __extension__ __PRETTY_FUNCTION__)) | |||
7835 | "Expected a default alignment value")(static_cast <bool> (PragmaPackStack.front().Value == SemaObj ->PackStack.DefaultValue && "Expected a default alignment value" ) ? void (0) : __assert_fail ("PragmaPackStack.front().Value == SemaObj->PackStack.DefaultValue && \"Expected a default alignment value\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7835, __extension__ __PRETTY_FUNCTION__)); | |||
7836 | SemaObj->PackStack.Stack.emplace_back( | |||
7837 | PragmaPackStack.front().SlotLabel, SemaObj->PackStack.CurrentValue, | |||
7838 | SemaObj->PackStack.CurrentPragmaLocation, | |||
7839 | PragmaPackStack.front().PushLocation); | |||
7840 | DropFirst = true; | |||
7841 | } | |||
7842 | for (const auto &Entry : | |||
7843 | llvm::makeArrayRef(PragmaPackStack).drop_front(DropFirst ? 1 : 0)) | |||
7844 | SemaObj->PackStack.Stack.emplace_back(Entry.SlotLabel, Entry.Value, | |||
7845 | Entry.Location, Entry.PushLocation); | |||
7846 | if (PragmaPackCurrentLocation.isInvalid()) { | |||
7847 | assert(*PragmaPackCurrentValue == SemaObj->PackStack.DefaultValue &&(static_cast <bool> (*PragmaPackCurrentValue == SemaObj ->PackStack.DefaultValue && "Expected a default alignment value" ) ? void (0) : __assert_fail ("*PragmaPackCurrentValue == SemaObj->PackStack.DefaultValue && \"Expected a default alignment value\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7848, __extension__ __PRETTY_FUNCTION__)) | |||
7848 | "Expected a default alignment value")(static_cast <bool> (*PragmaPackCurrentValue == SemaObj ->PackStack.DefaultValue && "Expected a default alignment value" ) ? void (0) : __assert_fail ("*PragmaPackCurrentValue == SemaObj->PackStack.DefaultValue && \"Expected a default alignment value\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 7848, __extension__ __PRETTY_FUNCTION__)); | |||
7849 | // Keep the current values. | |||
7850 | } else { | |||
7851 | SemaObj->PackStack.CurrentValue = *PragmaPackCurrentValue; | |||
7852 | SemaObj->PackStack.CurrentPragmaLocation = PragmaPackCurrentLocation; | |||
7853 | } | |||
7854 | } | |||
7855 | } | |||
7856 | ||||
7857 | IdentifierInfo *ASTReader::get(StringRef Name) { | |||
7858 | // Note that we are loading an identifier. | |||
7859 | Deserializing AnIdentifier(this); | |||
7860 | ||||
7861 | IdentifierLookupVisitor Visitor(Name, /*PriorGeneration=*/0, | |||
7862 | NumIdentifierLookups, | |||
7863 | NumIdentifierLookupHits); | |||
7864 | ||||
7865 | // We don't need to do identifier table lookups in C++ modules (we preload | |||
7866 | // all interesting declarations, and don't need to use the scope for name | |||
7867 | // lookups). Perform the lookup in PCH files, though, since we don't build | |||
7868 | // a complete initial identifier table if we're carrying on from a PCH. | |||
7869 | if (PP.getLangOpts().CPlusPlus) { | |||
7870 | for (auto F : ModuleMgr.pch_modules()) | |||
7871 | if (Visitor(*F)) | |||
7872 | break; | |||
7873 | } else { | |||
7874 | // If there is a global index, look there first to determine which modules | |||
7875 | // provably do not have any results for this identifier. | |||
7876 | GlobalModuleIndex::HitSet Hits; | |||
7877 | GlobalModuleIndex::HitSet *HitsPtr = nullptr; | |||
7878 | if (!loadGlobalIndex()) { | |||
7879 | if (GlobalIndex->lookupIdentifier(Name, Hits)) { | |||
7880 | HitsPtr = &Hits; | |||
7881 | } | |||
7882 | } | |||
7883 | ||||
7884 | ModuleMgr.visit(Visitor, HitsPtr); | |||
7885 | } | |||
7886 | ||||
7887 | IdentifierInfo *II = Visitor.getIdentifierInfo(); | |||
7888 | markIdentifierUpToDate(II); | |||
7889 | return II; | |||
7890 | } | |||
7891 | ||||
7892 | namespace clang { | |||
7893 | ||||
7894 | /// An identifier-lookup iterator that enumerates all of the | |||
7895 | /// identifiers stored within a set of AST files. | |||
7896 | class ASTIdentifierIterator : public IdentifierIterator { | |||
7897 | /// The AST reader whose identifiers are being enumerated. | |||
7898 | const ASTReader &Reader; | |||
7899 | ||||
7900 | /// The current index into the chain of AST files stored in | |||
7901 | /// the AST reader. | |||
7902 | unsigned Index; | |||
7903 | ||||
7904 | /// The current position within the identifier lookup table | |||
7905 | /// of the current AST file. | |||
7906 | ASTIdentifierLookupTable::key_iterator Current; | |||
7907 | ||||
7908 | /// The end position within the identifier lookup table of | |||
7909 | /// the current AST file. | |||
7910 | ASTIdentifierLookupTable::key_iterator End; | |||
7911 | ||||
7912 | /// Whether to skip any modules in the ASTReader. | |||
7913 | bool SkipModules; | |||
7914 | ||||
7915 | public: | |||
7916 | explicit ASTIdentifierIterator(const ASTReader &Reader, | |||
7917 | bool SkipModules = false); | |||
7918 | ||||
7919 | StringRef Next() override; | |||
7920 | }; | |||
7921 | ||||
7922 | } // namespace clang | |||
7923 | ||||
7924 | ASTIdentifierIterator::ASTIdentifierIterator(const ASTReader &Reader, | |||
7925 | bool SkipModules) | |||
7926 | : Reader(Reader), Index(Reader.ModuleMgr.size()), SkipModules(SkipModules) { | |||
7927 | } | |||
7928 | ||||
7929 | StringRef ASTIdentifierIterator::Next() { | |||
7930 | while (Current == End) { | |||
7931 | // If we have exhausted all of our AST files, we're done. | |||
7932 | if (Index == 0) | |||
7933 | return StringRef(); | |||
7934 | ||||
7935 | --Index; | |||
7936 | ModuleFile &F = Reader.ModuleMgr[Index]; | |||
7937 | if (SkipModules && F.isModule()) | |||
7938 | continue; | |||
7939 | ||||
7940 | ASTIdentifierLookupTable *IdTable = | |||
7941 | (ASTIdentifierLookupTable *)F.IdentifierLookupTable; | |||
7942 | Current = IdTable->key_begin(); | |||
7943 | End = IdTable->key_end(); | |||
7944 | } | |||
7945 | ||||
7946 | // We have any identifiers remaining in the current AST file; return | |||
7947 | // the next one. | |||
7948 | StringRef Result = *Current; | |||
7949 | ++Current; | |||
7950 | return Result; | |||
7951 | } | |||
7952 | ||||
7953 | namespace { | |||
7954 | ||||
7955 | /// A utility for appending two IdentifierIterators. | |||
7956 | class ChainedIdentifierIterator : public IdentifierIterator { | |||
7957 | std::unique_ptr<IdentifierIterator> Current; | |||
7958 | std::unique_ptr<IdentifierIterator> Queued; | |||
7959 | ||||
7960 | public: | |||
7961 | ChainedIdentifierIterator(std::unique_ptr<IdentifierIterator> First, | |||
7962 | std::unique_ptr<IdentifierIterator> Second) | |||
7963 | : Current(std::move(First)), Queued(std::move(Second)) {} | |||
7964 | ||||
7965 | StringRef Next() override { | |||
7966 | if (!Current) | |||
7967 | return StringRef(); | |||
7968 | ||||
7969 | StringRef result = Current->Next(); | |||
7970 | if (!result.empty()) | |||
7971 | return result; | |||
7972 | ||||
7973 | // Try the queued iterator, which may itself be empty. | |||
7974 | Current.reset(); | |||
7975 | std::swap(Current, Queued); | |||
7976 | return Next(); | |||
7977 | } | |||
7978 | }; | |||
7979 | ||||
7980 | } // namespace | |||
7981 | ||||
7982 | IdentifierIterator *ASTReader::getIdentifiers() { | |||
7983 | if (!loadGlobalIndex()) { | |||
7984 | std::unique_ptr<IdentifierIterator> ReaderIter( | |||
7985 | new ASTIdentifierIterator(*this, /*SkipModules=*/true)); | |||
7986 | std::unique_ptr<IdentifierIterator> ModulesIter( | |||
7987 | GlobalIndex->createIdentifierIterator()); | |||
7988 | return new ChainedIdentifierIterator(std::move(ReaderIter), | |||
7989 | std::move(ModulesIter)); | |||
7990 | } | |||
7991 | ||||
7992 | return new ASTIdentifierIterator(*this); | |||
7993 | } | |||
7994 | ||||
7995 | namespace clang { | |||
7996 | namespace serialization { | |||
7997 | ||||
7998 | class ReadMethodPoolVisitor { | |||
7999 | ASTReader &Reader; | |||
8000 | Selector Sel; | |||
8001 | unsigned PriorGeneration; | |||
8002 | unsigned InstanceBits = 0; | |||
8003 | unsigned FactoryBits = 0; | |||
8004 | bool InstanceHasMoreThanOneDecl = false; | |||
8005 | bool FactoryHasMoreThanOneDecl = false; | |||
8006 | SmallVector<ObjCMethodDecl *, 4> InstanceMethods; | |||
8007 | SmallVector<ObjCMethodDecl *, 4> FactoryMethods; | |||
8008 | ||||
8009 | public: | |||
8010 | ReadMethodPoolVisitor(ASTReader &Reader, Selector Sel, | |||
8011 | unsigned PriorGeneration) | |||
8012 | : Reader(Reader), Sel(Sel), PriorGeneration(PriorGeneration) {} | |||
8013 | ||||
8014 | bool operator()(ModuleFile &M) { | |||
8015 | if (!M.SelectorLookupTable) | |||
8016 | return false; | |||
8017 | ||||
8018 | // If we've already searched this module file, skip it now. | |||
8019 | if (M.Generation <= PriorGeneration) | |||
8020 | return true; | |||
8021 | ||||
8022 | ++Reader.NumMethodPoolTableLookups; | |||
8023 | ASTSelectorLookupTable *PoolTable | |||
8024 | = (ASTSelectorLookupTable*)M.SelectorLookupTable; | |||
8025 | ASTSelectorLookupTable::iterator Pos = PoolTable->find(Sel); | |||
8026 | if (Pos == PoolTable->end()) | |||
8027 | return false; | |||
8028 | ||||
8029 | ++Reader.NumMethodPoolTableHits; | |||
8030 | ++Reader.NumSelectorsRead; | |||
8031 | // FIXME: Not quite happy with the statistics here. We probably should | |||
8032 | // disable this tracking when called via LoadSelector. | |||
8033 | // Also, should entries without methods count as misses? | |||
8034 | ++Reader.NumMethodPoolEntriesRead; | |||
8035 | ASTSelectorLookupTrait::data_type Data = *Pos; | |||
8036 | if (Reader.DeserializationListener) | |||
8037 | Reader.DeserializationListener->SelectorRead(Data.ID, Sel); | |||
8038 | ||||
8039 | InstanceMethods.append(Data.Instance.begin(), Data.Instance.end()); | |||
8040 | FactoryMethods.append(Data.Factory.begin(), Data.Factory.end()); | |||
8041 | InstanceBits = Data.InstanceBits; | |||
8042 | FactoryBits = Data.FactoryBits; | |||
8043 | InstanceHasMoreThanOneDecl = Data.InstanceHasMoreThanOneDecl; | |||
8044 | FactoryHasMoreThanOneDecl = Data.FactoryHasMoreThanOneDecl; | |||
8045 | return true; | |||
8046 | } | |||
8047 | ||||
8048 | /// Retrieve the instance methods found by this visitor. | |||
8049 | ArrayRef<ObjCMethodDecl *> getInstanceMethods() const { | |||
8050 | return InstanceMethods; | |||
8051 | } | |||
8052 | ||||
8053 | /// Retrieve the instance methods found by this visitor. | |||
8054 | ArrayRef<ObjCMethodDecl *> getFactoryMethods() const { | |||
8055 | return FactoryMethods; | |||
8056 | } | |||
8057 | ||||
8058 | unsigned getInstanceBits() const { return InstanceBits; } | |||
8059 | unsigned getFactoryBits() const { return FactoryBits; } | |||
8060 | ||||
8061 | bool instanceHasMoreThanOneDecl() const { | |||
8062 | return InstanceHasMoreThanOneDecl; | |||
8063 | } | |||
8064 | ||||
8065 | bool factoryHasMoreThanOneDecl() const { return FactoryHasMoreThanOneDecl; } | |||
8066 | }; | |||
8067 | ||||
8068 | } // namespace serialization | |||
8069 | } // namespace clang | |||
8070 | ||||
8071 | /// Add the given set of methods to the method list. | |||
8072 | static void addMethodsToPool(Sema &S, ArrayRef<ObjCMethodDecl *> Methods, | |||
8073 | ObjCMethodList &List) { | |||
8074 | for (unsigned I = 0, N = Methods.size(); I != N; ++I) { | |||
8075 | S.addMethodToGlobalList(&List, Methods[I]); | |||
8076 | } | |||
8077 | } | |||
8078 | ||||
8079 | void ASTReader::ReadMethodPool(Selector Sel) { | |||
8080 | // Get the selector generation and update it to the current generation. | |||
8081 | unsigned &Generation = SelectorGeneration[Sel]; | |||
8082 | unsigned PriorGeneration = Generation; | |||
8083 | Generation = getGeneration(); | |||
8084 | SelectorOutOfDate[Sel] = false; | |||
8085 | ||||
8086 | // Search for methods defined with this selector. | |||
8087 | ++NumMethodPoolLookups; | |||
8088 | ReadMethodPoolVisitor Visitor(*this, Sel, PriorGeneration); | |||
8089 | ModuleMgr.visit(Visitor); | |||
8090 | ||||
8091 | if (Visitor.getInstanceMethods().empty() && | |||
8092 | Visitor.getFactoryMethods().empty()) | |||
8093 | return; | |||
8094 | ||||
8095 | ++NumMethodPoolHits; | |||
8096 | ||||
8097 | if (!getSema()) | |||
8098 | return; | |||
8099 | ||||
8100 | Sema &S = *getSema(); | |||
8101 | Sema::GlobalMethodPool::iterator Pos | |||
8102 | = S.MethodPool.insert(std::make_pair(Sel, Sema::GlobalMethods())).first; | |||
8103 | ||||
8104 | Pos->second.first.setBits(Visitor.getInstanceBits()); | |||
8105 | Pos->second.first.setHasMoreThanOneDecl(Visitor.instanceHasMoreThanOneDecl()); | |||
8106 | Pos->second.second.setBits(Visitor.getFactoryBits()); | |||
8107 | Pos->second.second.setHasMoreThanOneDecl(Visitor.factoryHasMoreThanOneDecl()); | |||
8108 | ||||
8109 | // Add methods to the global pool *after* setting hasMoreThanOneDecl, since | |||
8110 | // when building a module we keep every method individually and may need to | |||
8111 | // update hasMoreThanOneDecl as we add the methods. | |||
8112 | addMethodsToPool(S, Visitor.getInstanceMethods(), Pos->second.first); | |||
8113 | addMethodsToPool(S, Visitor.getFactoryMethods(), Pos->second.second); | |||
8114 | } | |||
8115 | ||||
8116 | void ASTReader::updateOutOfDateSelector(Selector Sel) { | |||
8117 | if (SelectorOutOfDate[Sel]) | |||
8118 | ReadMethodPool(Sel); | |||
8119 | } | |||
8120 | ||||
8121 | void ASTReader::ReadKnownNamespaces( | |||
8122 | SmallVectorImpl<NamespaceDecl *> &Namespaces) { | |||
8123 | Namespaces.clear(); | |||
8124 | ||||
8125 | for (unsigned I = 0, N = KnownNamespaces.size(); I != N; ++I) { | |||
8126 | if (NamespaceDecl *Namespace | |||
8127 | = dyn_cast_or_null<NamespaceDecl>(GetDecl(KnownNamespaces[I]))) | |||
8128 | Namespaces.push_back(Namespace); | |||
8129 | } | |||
8130 | } | |||
8131 | ||||
8132 | void ASTReader::ReadUndefinedButUsed( | |||
8133 | llvm::MapVector<NamedDecl *, SourceLocation> &Undefined) { | |||
8134 | for (unsigned Idx = 0, N = UndefinedButUsed.size(); Idx != N;) { | |||
8135 | NamedDecl *D = cast<NamedDecl>(GetDecl(UndefinedButUsed[Idx++])); | |||
8136 | SourceLocation Loc = | |||
8137 | SourceLocation::getFromRawEncoding(UndefinedButUsed[Idx++]); | |||
8138 | Undefined.insert(std::make_pair(D, Loc)); | |||
8139 | } | |||
8140 | } | |||
8141 | ||||
8142 | void ASTReader::ReadMismatchingDeleteExpressions(llvm::MapVector< | |||
8143 | FieldDecl *, llvm::SmallVector<std::pair<SourceLocation, bool>, 4>> & | |||
8144 | Exprs) { | |||
8145 | for (unsigned Idx = 0, N = DelayedDeleteExprs.size(); Idx != N;) { | |||
8146 | FieldDecl *FD = cast<FieldDecl>(GetDecl(DelayedDeleteExprs[Idx++])); | |||
8147 | uint64_t Count = DelayedDeleteExprs[Idx++]; | |||
8148 | for (uint64_t C = 0; C < Count; ++C) { | |||
8149 | SourceLocation DeleteLoc = | |||
8150 | SourceLocation::getFromRawEncoding(DelayedDeleteExprs[Idx++]); | |||
8151 | const bool IsArrayForm = DelayedDeleteExprs[Idx++]; | |||
8152 | Exprs[FD].push_back(std::make_pair(DeleteLoc, IsArrayForm)); | |||
8153 | } | |||
8154 | } | |||
8155 | } | |||
8156 | ||||
8157 | void ASTReader::ReadTentativeDefinitions( | |||
8158 | SmallVectorImpl<VarDecl *> &TentativeDefs) { | |||
8159 | for (unsigned I = 0, N = TentativeDefinitions.size(); I != N; ++I) { | |||
8160 | VarDecl *Var = dyn_cast_or_null<VarDecl>(GetDecl(TentativeDefinitions[I])); | |||
8161 | if (Var) | |||
8162 | TentativeDefs.push_back(Var); | |||
8163 | } | |||
8164 | TentativeDefinitions.clear(); | |||
8165 | } | |||
8166 | ||||
8167 | void ASTReader::ReadUnusedFileScopedDecls( | |||
8168 | SmallVectorImpl<const DeclaratorDecl *> &Decls) { | |||
8169 | for (unsigned I = 0, N = UnusedFileScopedDecls.size(); I != N; ++I) { | |||
8170 | DeclaratorDecl *D | |||
8171 | = dyn_cast_or_null<DeclaratorDecl>(GetDecl(UnusedFileScopedDecls[I])); | |||
8172 | if (D) | |||
8173 | Decls.push_back(D); | |||
8174 | } | |||
8175 | UnusedFileScopedDecls.clear(); | |||
8176 | } | |||
8177 | ||||
8178 | void ASTReader::ReadDelegatingConstructors( | |||
8179 | SmallVectorImpl<CXXConstructorDecl *> &Decls) { | |||
8180 | for (unsigned I = 0, N = DelegatingCtorDecls.size(); I != N; ++I) { | |||
8181 | CXXConstructorDecl *D | |||
8182 | = dyn_cast_or_null<CXXConstructorDecl>(GetDecl(DelegatingCtorDecls[I])); | |||
8183 | if (D) | |||
8184 | Decls.push_back(D); | |||
8185 | } | |||
8186 | DelegatingCtorDecls.clear(); | |||
8187 | } | |||
8188 | ||||
8189 | void ASTReader::ReadExtVectorDecls(SmallVectorImpl<TypedefNameDecl *> &Decls) { | |||
8190 | for (unsigned I = 0, N = ExtVectorDecls.size(); I != N; ++I) { | |||
8191 | TypedefNameDecl *D | |||
8192 | = dyn_cast_or_null<TypedefNameDecl>(GetDecl(ExtVectorDecls[I])); | |||
8193 | if (D) | |||
8194 | Decls.push_back(D); | |||
8195 | } | |||
8196 | ExtVectorDecls.clear(); | |||
8197 | } | |||
8198 | ||||
8199 | void ASTReader::ReadUnusedLocalTypedefNameCandidates( | |||
8200 | llvm::SmallSetVector<const TypedefNameDecl *, 4> &Decls) { | |||
8201 | for (unsigned I = 0, N = UnusedLocalTypedefNameCandidates.size(); I != N; | |||
8202 | ++I) { | |||
8203 | TypedefNameDecl *D = dyn_cast_or_null<TypedefNameDecl>( | |||
8204 | GetDecl(UnusedLocalTypedefNameCandidates[I])); | |||
8205 | if (D) | |||
8206 | Decls.insert(D); | |||
8207 | } | |||
8208 | UnusedLocalTypedefNameCandidates.clear(); | |||
8209 | } | |||
8210 | ||||
8211 | void ASTReader::ReadReferencedSelectors( | |||
8212 | SmallVectorImpl<std::pair<Selector, SourceLocation>> &Sels) { | |||
8213 | if (ReferencedSelectorsData.empty()) | |||
8214 | return; | |||
8215 | ||||
8216 | // If there are @selector references added them to its pool. This is for | |||
8217 | // implementation of -Wselector. | |||
8218 | unsigned int DataSize = ReferencedSelectorsData.size()-1; | |||
8219 | unsigned I = 0; | |||
8220 | while (I < DataSize) { | |||
8221 | Selector Sel = DecodeSelector(ReferencedSelectorsData[I++]); | |||
8222 | SourceLocation SelLoc | |||
8223 | = SourceLocation::getFromRawEncoding(ReferencedSelectorsData[I++]); | |||
8224 | Sels.push_back(std::make_pair(Sel, SelLoc)); | |||
8225 | } | |||
8226 | ReferencedSelectorsData.clear(); | |||
8227 | } | |||
8228 | ||||
8229 | void ASTReader::ReadWeakUndeclaredIdentifiers( | |||
8230 | SmallVectorImpl<std::pair<IdentifierInfo *, WeakInfo>> &WeakIDs) { | |||
8231 | if (WeakUndeclaredIdentifiers.empty()) | |||
8232 | return; | |||
8233 | ||||
8234 | for (unsigned I = 0, N = WeakUndeclaredIdentifiers.size(); I < N; /*none*/) { | |||
8235 | IdentifierInfo *WeakId | |||
8236 | = DecodeIdentifierInfo(WeakUndeclaredIdentifiers[I++]); | |||
8237 | IdentifierInfo *AliasId | |||
8238 | = DecodeIdentifierInfo(WeakUndeclaredIdentifiers[I++]); | |||
8239 | SourceLocation Loc | |||
8240 | = SourceLocation::getFromRawEncoding(WeakUndeclaredIdentifiers[I++]); | |||
8241 | bool Used = WeakUndeclaredIdentifiers[I++]; | |||
8242 | WeakInfo WI(AliasId, Loc); | |||
8243 | WI.setUsed(Used); | |||
8244 | WeakIDs.push_back(std::make_pair(WeakId, WI)); | |||
8245 | } | |||
8246 | WeakUndeclaredIdentifiers.clear(); | |||
8247 | } | |||
8248 | ||||
8249 | void ASTReader::ReadUsedVTables(SmallVectorImpl<ExternalVTableUse> &VTables) { | |||
8250 | for (unsigned Idx = 0, N = VTableUses.size(); Idx < N; /* In loop */) { | |||
8251 | ExternalVTableUse VT; | |||
8252 | VT.Record = dyn_cast_or_null<CXXRecordDecl>(GetDecl(VTableUses[Idx++])); | |||
8253 | VT.Location = SourceLocation::getFromRawEncoding(VTableUses[Idx++]); | |||
8254 | VT.DefinitionRequired = VTableUses[Idx++]; | |||
8255 | VTables.push_back(VT); | |||
8256 | } | |||
8257 | ||||
8258 | VTableUses.clear(); | |||
8259 | } | |||
8260 | ||||
8261 | void ASTReader::ReadPendingInstantiations( | |||
8262 | SmallVectorImpl<std::pair<ValueDecl *, SourceLocation>> &Pending) { | |||
8263 | for (unsigned Idx = 0, N = PendingInstantiations.size(); Idx < N;) { | |||
8264 | ValueDecl *D = cast<ValueDecl>(GetDecl(PendingInstantiations[Idx++])); | |||
8265 | SourceLocation Loc | |||
8266 | = SourceLocation::getFromRawEncoding(PendingInstantiations[Idx++]); | |||
8267 | ||||
8268 | Pending.push_back(std::make_pair(D, Loc)); | |||
8269 | } | |||
8270 | PendingInstantiations.clear(); | |||
8271 | } | |||
8272 | ||||
8273 | void ASTReader::ReadLateParsedTemplates( | |||
8274 | llvm::MapVector<const FunctionDecl *, std::unique_ptr<LateParsedTemplate>> | |||
8275 | &LPTMap) { | |||
8276 | for (unsigned Idx = 0, N = LateParsedTemplates.size(); Idx < N; | |||
8277 | /* In loop */) { | |||
8278 | FunctionDecl *FD = cast<FunctionDecl>(GetDecl(LateParsedTemplates[Idx++])); | |||
8279 | ||||
8280 | auto LT = llvm::make_unique<LateParsedTemplate>(); | |||
8281 | LT->D = GetDecl(LateParsedTemplates[Idx++]); | |||
8282 | ||||
8283 | ModuleFile *F = getOwningModuleFile(LT->D); | |||
8284 | assert(F && "No module")(static_cast <bool> (F && "No module") ? void ( 0) : __assert_fail ("F && \"No module\"", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8284, __extension__ __PRETTY_FUNCTION__)); | |||
8285 | ||||
8286 | unsigned TokN = LateParsedTemplates[Idx++]; | |||
8287 | LT->Toks.reserve(TokN); | |||
8288 | for (unsigned T = 0; T < TokN; ++T) | |||
8289 | LT->Toks.push_back(ReadToken(*F, LateParsedTemplates, Idx)); | |||
8290 | ||||
8291 | LPTMap.insert(std::make_pair(FD, std::move(LT))); | |||
8292 | } | |||
8293 | ||||
8294 | LateParsedTemplates.clear(); | |||
8295 | } | |||
8296 | ||||
8297 | void ASTReader::LoadSelector(Selector Sel) { | |||
8298 | // It would be complicated to avoid reading the methods anyway. So don't. | |||
8299 | ReadMethodPool(Sel); | |||
8300 | } | |||
8301 | ||||
8302 | void ASTReader::SetIdentifierInfo(IdentifierID ID, IdentifierInfo *II) { | |||
8303 | assert(ID && "Non-zero identifier ID required")(static_cast <bool> (ID && "Non-zero identifier ID required" ) ? void (0) : __assert_fail ("ID && \"Non-zero identifier ID required\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8303, __extension__ __PRETTY_FUNCTION__)); | |||
8304 | assert(ID <= IdentifiersLoaded.size() && "identifier ID out of range")(static_cast <bool> (ID <= IdentifiersLoaded.size() && "identifier ID out of range") ? void (0) : __assert_fail ("ID <= IdentifiersLoaded.size() && \"identifier ID out of range\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8304, __extension__ __PRETTY_FUNCTION__)); | |||
8305 | IdentifiersLoaded[ID - 1] = II; | |||
8306 | if (DeserializationListener) | |||
8307 | DeserializationListener->IdentifierRead(ID, II); | |||
8308 | } | |||
8309 | ||||
8310 | /// Set the globally-visible declarations associated with the given | |||
8311 | /// identifier. | |||
8312 | /// | |||
8313 | /// If the AST reader is currently in a state where the given declaration IDs | |||
8314 | /// cannot safely be resolved, they are queued until it is safe to resolve | |||
8315 | /// them. | |||
8316 | /// | |||
8317 | /// \param II an IdentifierInfo that refers to one or more globally-visible | |||
8318 | /// declarations. | |||
8319 | /// | |||
8320 | /// \param DeclIDs the set of declaration IDs with the name @p II that are | |||
8321 | /// visible at global scope. | |||
8322 | /// | |||
8323 | /// \param Decls if non-null, this vector will be populated with the set of | |||
8324 | /// deserialized declarations. These declarations will not be pushed into | |||
8325 | /// scope. | |||
8326 | void | |||
8327 | ASTReader::SetGloballyVisibleDecls(IdentifierInfo *II, | |||
8328 | const SmallVectorImpl<uint32_t> &DeclIDs, | |||
8329 | SmallVectorImpl<Decl *> *Decls) { | |||
8330 | if (NumCurrentElementsDeserializing && !Decls) { | |||
8331 | PendingIdentifierInfos[II].append(DeclIDs.begin(), DeclIDs.end()); | |||
8332 | return; | |||
8333 | } | |||
8334 | ||||
8335 | for (unsigned I = 0, N = DeclIDs.size(); I != N; ++I) { | |||
8336 | if (!SemaObj) { | |||
8337 | // Queue this declaration so that it will be added to the | |||
8338 | // translation unit scope and identifier's declaration chain | |||
8339 | // once a Sema object is known. | |||
8340 | PreloadedDeclIDs.push_back(DeclIDs[I]); | |||
8341 | continue; | |||
8342 | } | |||
8343 | ||||
8344 | NamedDecl *D = cast<NamedDecl>(GetDecl(DeclIDs[I])); | |||
8345 | ||||
8346 | // If we're simply supposed to record the declarations, do so now. | |||
8347 | if (Decls) { | |||
8348 | Decls->push_back(D); | |||
8349 | continue; | |||
8350 | } | |||
8351 | ||||
8352 | // Introduce this declaration into the translation-unit scope | |||
8353 | // and add it to the declaration chain for this identifier, so | |||
8354 | // that (unqualified) name lookup will find it. | |||
8355 | pushExternalDeclIntoScope(D, II); | |||
8356 | } | |||
8357 | } | |||
8358 | ||||
8359 | IdentifierInfo *ASTReader::DecodeIdentifierInfo(IdentifierID ID) { | |||
8360 | if (ID == 0) | |||
8361 | return nullptr; | |||
8362 | ||||
8363 | if (IdentifiersLoaded.empty()) { | |||
8364 | Error("no identifier table in AST file"); | |||
8365 | return nullptr; | |||
8366 | } | |||
8367 | ||||
8368 | ID -= 1; | |||
8369 | if (!IdentifiersLoaded[ID]) { | |||
8370 | GlobalIdentifierMapType::iterator I = GlobalIdentifierMap.find(ID + 1); | |||
8371 | assert(I != GlobalIdentifierMap.end() && "Corrupted global identifier map")(static_cast <bool> (I != GlobalIdentifierMap.end() && "Corrupted global identifier map") ? void (0) : __assert_fail ("I != GlobalIdentifierMap.end() && \"Corrupted global identifier map\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8371, __extension__ __PRETTY_FUNCTION__)); | |||
8372 | ModuleFile *M = I->second; | |||
8373 | unsigned Index = ID - M->BaseIdentifierID; | |||
8374 | const char *Str = M->IdentifierTableData + M->IdentifierOffsets[Index]; | |||
8375 | ||||
8376 | // All of the strings in the AST file are preceded by a 16-bit length. | |||
8377 | // Extract that 16-bit length to avoid having to execute strlen(). | |||
8378 | // NOTE: 'StrLenPtr' is an 'unsigned char*' so that we load bytes as | |||
8379 | // unsigned integers. This is important to avoid integer overflow when | |||
8380 | // we cast them to 'unsigned'. | |||
8381 | const unsigned char *StrLenPtr = (const unsigned char*) Str - 2; | |||
8382 | unsigned StrLen = (((unsigned) StrLenPtr[0]) | |||
8383 | | (((unsigned) StrLenPtr[1]) << 8)) - 1; | |||
8384 | auto &II = PP.getIdentifierTable().get(StringRef(Str, StrLen)); | |||
8385 | IdentifiersLoaded[ID] = &II; | |||
8386 | markIdentifierFromAST(*this, II); | |||
8387 | if (DeserializationListener) | |||
8388 | DeserializationListener->IdentifierRead(ID + 1, &II); | |||
8389 | } | |||
8390 | ||||
8391 | return IdentifiersLoaded[ID]; | |||
8392 | } | |||
8393 | ||||
8394 | IdentifierInfo *ASTReader::getLocalIdentifier(ModuleFile &M, unsigned LocalID) { | |||
8395 | return DecodeIdentifierInfo(getGlobalIdentifierID(M, LocalID)); | |||
8396 | } | |||
8397 | ||||
8398 | IdentifierID ASTReader::getGlobalIdentifierID(ModuleFile &M, unsigned LocalID) { | |||
8399 | if (LocalID < NUM_PREDEF_IDENT_IDS) | |||
8400 | return LocalID; | |||
8401 | ||||
8402 | if (!M.ModuleOffsetMap.empty()) | |||
8403 | ReadModuleOffsetMap(M); | |||
8404 | ||||
8405 | ContinuousRangeMap<uint32_t, int, 2>::iterator I | |||
8406 | = M.IdentifierRemap.find(LocalID - NUM_PREDEF_IDENT_IDS); | |||
8407 | assert(I != M.IdentifierRemap.end()(static_cast <bool> (I != M.IdentifierRemap.end() && "Invalid index into identifier index remap") ? void (0) : __assert_fail ("I != M.IdentifierRemap.end() && \"Invalid index into identifier index remap\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8408, __extension__ __PRETTY_FUNCTION__)) | |||
8408 | && "Invalid index into identifier index remap")(static_cast <bool> (I != M.IdentifierRemap.end() && "Invalid index into identifier index remap") ? void (0) : __assert_fail ("I != M.IdentifierRemap.end() && \"Invalid index into identifier index remap\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8408, __extension__ __PRETTY_FUNCTION__)); | |||
8409 | ||||
8410 | return LocalID + I->second; | |||
8411 | } | |||
8412 | ||||
8413 | MacroInfo *ASTReader::getMacro(MacroID ID) { | |||
8414 | if (ID == 0) | |||
8415 | return nullptr; | |||
8416 | ||||
8417 | if (MacrosLoaded.empty()) { | |||
8418 | Error("no macro table in AST file"); | |||
8419 | return nullptr; | |||
8420 | } | |||
8421 | ||||
8422 | ID -= NUM_PREDEF_MACRO_IDS; | |||
8423 | if (!MacrosLoaded[ID]) { | |||
8424 | GlobalMacroMapType::iterator I | |||
8425 | = GlobalMacroMap.find(ID + NUM_PREDEF_MACRO_IDS); | |||
8426 | assert(I != GlobalMacroMap.end() && "Corrupted global macro map")(static_cast <bool> (I != GlobalMacroMap.end() && "Corrupted global macro map") ? void (0) : __assert_fail ("I != GlobalMacroMap.end() && \"Corrupted global macro map\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8426, __extension__ __PRETTY_FUNCTION__)); | |||
8427 | ModuleFile *M = I->second; | |||
8428 | unsigned Index = ID - M->BaseMacroID; | |||
8429 | MacrosLoaded[ID] = ReadMacroRecord(*M, M->MacroOffsets[Index]); | |||
8430 | ||||
8431 | if (DeserializationListener) | |||
8432 | DeserializationListener->MacroRead(ID + NUM_PREDEF_MACRO_IDS, | |||
8433 | MacrosLoaded[ID]); | |||
8434 | } | |||
8435 | ||||
8436 | return MacrosLoaded[ID]; | |||
8437 | } | |||
8438 | ||||
8439 | MacroID ASTReader::getGlobalMacroID(ModuleFile &M, unsigned LocalID) { | |||
8440 | if (LocalID < NUM_PREDEF_MACRO_IDS) | |||
8441 | return LocalID; | |||
8442 | ||||
8443 | if (!M.ModuleOffsetMap.empty()) | |||
8444 | ReadModuleOffsetMap(M); | |||
8445 | ||||
8446 | ContinuousRangeMap<uint32_t, int, 2>::iterator I | |||
8447 | = M.MacroRemap.find(LocalID - NUM_PREDEF_MACRO_IDS); | |||
8448 | assert(I != M.MacroRemap.end() && "Invalid index into macro index remap")(static_cast <bool> (I != M.MacroRemap.end() && "Invalid index into macro index remap") ? void (0) : __assert_fail ("I != M.MacroRemap.end() && \"Invalid index into macro index remap\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8448, __extension__ __PRETTY_FUNCTION__)); | |||
8449 | ||||
8450 | return LocalID + I->second; | |||
8451 | } | |||
8452 | ||||
8453 | serialization::SubmoduleID | |||
8454 | ASTReader::getGlobalSubmoduleID(ModuleFile &M, unsigned LocalID) { | |||
8455 | if (LocalID < NUM_PREDEF_SUBMODULE_IDS) | |||
8456 | return LocalID; | |||
8457 | ||||
8458 | if (!M.ModuleOffsetMap.empty()) | |||
8459 | ReadModuleOffsetMap(M); | |||
8460 | ||||
8461 | ContinuousRangeMap<uint32_t, int, 2>::iterator I | |||
8462 | = M.SubmoduleRemap.find(LocalID - NUM_PREDEF_SUBMODULE_IDS); | |||
8463 | assert(I != M.SubmoduleRemap.end()(static_cast <bool> (I != M.SubmoduleRemap.end() && "Invalid index into submodule index remap") ? void (0) : __assert_fail ("I != M.SubmoduleRemap.end() && \"Invalid index into submodule index remap\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8464, __extension__ __PRETTY_FUNCTION__)) | |||
8464 | && "Invalid index into submodule index remap")(static_cast <bool> (I != M.SubmoduleRemap.end() && "Invalid index into submodule index remap") ? void (0) : __assert_fail ("I != M.SubmoduleRemap.end() && \"Invalid index into submodule index remap\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8464, __extension__ __PRETTY_FUNCTION__)); | |||
8465 | ||||
8466 | return LocalID + I->second; | |||
8467 | } | |||
8468 | ||||
8469 | Module *ASTReader::getSubmodule(SubmoduleID GlobalID) { | |||
8470 | if (GlobalID < NUM_PREDEF_SUBMODULE_IDS) { | |||
8471 | assert(GlobalID == 0 && "Unhandled global submodule ID")(static_cast <bool> (GlobalID == 0 && "Unhandled global submodule ID" ) ? void (0) : __assert_fail ("GlobalID == 0 && \"Unhandled global submodule ID\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8471, __extension__ __PRETTY_FUNCTION__)); | |||
8472 | return nullptr; | |||
8473 | } | |||
8474 | ||||
8475 | if (GlobalID > SubmodulesLoaded.size()) { | |||
8476 | Error("submodule ID out of range in AST file"); | |||
8477 | return nullptr; | |||
8478 | } | |||
8479 | ||||
8480 | return SubmodulesLoaded[GlobalID - NUM_PREDEF_SUBMODULE_IDS]; | |||
8481 | } | |||
8482 | ||||
8483 | Module *ASTReader::getModule(unsigned ID) { | |||
8484 | return getSubmodule(ID); | |||
8485 | } | |||
8486 | ||||
8487 | bool ASTReader::DeclIsFromPCHWithObjectFile(const Decl *D) { | |||
8488 | ModuleFile *MF = getOwningModuleFile(D); | |||
8489 | return MF && MF->PCHHasObjectFile; | |||
8490 | } | |||
8491 | ||||
8492 | ModuleFile *ASTReader::getLocalModuleFile(ModuleFile &F, unsigned ID) { | |||
8493 | if (ID & 1) { | |||
8494 | // It's a module, look it up by submodule ID. | |||
8495 | auto I = GlobalSubmoduleMap.find(getGlobalSubmoduleID(F, ID >> 1)); | |||
8496 | return I == GlobalSubmoduleMap.end() ? nullptr : I->second; | |||
8497 | } else { | |||
8498 | // It's a prefix (preamble, PCH, ...). Look it up by index. | |||
8499 | unsigned IndexFromEnd = ID >> 1; | |||
8500 | assert(IndexFromEnd && "got reference to unknown module file")(static_cast <bool> (IndexFromEnd && "got reference to unknown module file" ) ? void (0) : __assert_fail ("IndexFromEnd && \"got reference to unknown module file\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8500, __extension__ __PRETTY_FUNCTION__)); | |||
8501 | return getModuleManager().pch_modules().end()[-IndexFromEnd]; | |||
8502 | } | |||
8503 | } | |||
8504 | ||||
8505 | unsigned ASTReader::getModuleFileID(ModuleFile *F) { | |||
8506 | if (!F) | |||
8507 | return 1; | |||
8508 | ||||
8509 | // For a file representing a module, use the submodule ID of the top-level | |||
8510 | // module as the file ID. For any other kind of file, the number of such | |||
8511 | // files loaded beforehand will be the same on reload. | |||
8512 | // FIXME: Is this true even if we have an explicit module file and a PCH? | |||
8513 | if (F->isModule()) | |||
8514 | return ((F->BaseSubmoduleID + NUM_PREDEF_SUBMODULE_IDS) << 1) | 1; | |||
8515 | ||||
8516 | auto PCHModules = getModuleManager().pch_modules(); | |||
8517 | auto I = std::find(PCHModules.begin(), PCHModules.end(), F); | |||
8518 | assert(I != PCHModules.end() && "emitting reference to unknown file")(static_cast <bool> (I != PCHModules.end() && "emitting reference to unknown file" ) ? void (0) : __assert_fail ("I != PCHModules.end() && \"emitting reference to unknown file\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8518, __extension__ __PRETTY_FUNCTION__)); | |||
8519 | return (I - PCHModules.end()) << 1; | |||
8520 | } | |||
8521 | ||||
8522 | llvm::Optional<ExternalASTSource::ASTSourceDescriptor> | |||
8523 | ASTReader::getSourceDescriptor(unsigned ID) { | |||
8524 | if (const Module *M = getSubmodule(ID)) | |||
8525 | return ExternalASTSource::ASTSourceDescriptor(*M); | |||
8526 | ||||
8527 | // If there is only a single PCH, return it instead. | |||
8528 | // Chained PCH are not supported. | |||
8529 | const auto &PCHChain = ModuleMgr.pch_modules(); | |||
8530 | if (std::distance(std::begin(PCHChain), std::end(PCHChain))) { | |||
8531 | ModuleFile &MF = ModuleMgr.getPrimaryModule(); | |||
8532 | StringRef ModuleName = llvm::sys::path::filename(MF.OriginalSourceFileName); | |||
8533 | StringRef FileName = llvm::sys::path::filename(MF.FileName); | |||
8534 | return ASTReader::ASTSourceDescriptor(ModuleName, MF.OriginalDir, FileName, | |||
8535 | MF.Signature); | |||
8536 | } | |||
8537 | return None; | |||
8538 | } | |||
8539 | ||||
8540 | ExternalASTSource::ExtKind ASTReader::hasExternalDefinitions(const Decl *FD) { | |||
8541 | auto I = DefinitionSource.find(FD); | |||
8542 | if (I == DefinitionSource.end()) | |||
8543 | return EK_ReplyHazy; | |||
8544 | return I->second ? EK_Never : EK_Always; | |||
8545 | } | |||
8546 | ||||
8547 | Selector ASTReader::getLocalSelector(ModuleFile &M, unsigned LocalID) { | |||
8548 | return DecodeSelector(getGlobalSelectorID(M, LocalID)); | |||
8549 | } | |||
8550 | ||||
8551 | Selector ASTReader::DecodeSelector(serialization::SelectorID ID) { | |||
8552 | if (ID == 0) | |||
8553 | return Selector(); | |||
8554 | ||||
8555 | if (ID > SelectorsLoaded.size()) { | |||
8556 | Error("selector ID out of range in AST file"); | |||
8557 | return Selector(); | |||
8558 | } | |||
8559 | ||||
8560 | if (SelectorsLoaded[ID - 1].getAsOpaquePtr() == nullptr) { | |||
8561 | // Load this selector from the selector table. | |||
8562 | GlobalSelectorMapType::iterator I = GlobalSelectorMap.find(ID); | |||
8563 | assert(I != GlobalSelectorMap.end() && "Corrupted global selector map")(static_cast <bool> (I != GlobalSelectorMap.end() && "Corrupted global selector map") ? void (0) : __assert_fail ( "I != GlobalSelectorMap.end() && \"Corrupted global selector map\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8563, __extension__ __PRETTY_FUNCTION__)); | |||
8564 | ModuleFile &M = *I->second; | |||
8565 | ASTSelectorLookupTrait Trait(*this, M); | |||
8566 | unsigned Idx = ID - M.BaseSelectorID - NUM_PREDEF_SELECTOR_IDS; | |||
8567 | SelectorsLoaded[ID - 1] = | |||
8568 | Trait.ReadKey(M.SelectorLookupTableData + M.SelectorOffsets[Idx], 0); | |||
8569 | if (DeserializationListener) | |||
8570 | DeserializationListener->SelectorRead(ID, SelectorsLoaded[ID - 1]); | |||
8571 | } | |||
8572 | ||||
8573 | return SelectorsLoaded[ID - 1]; | |||
8574 | } | |||
8575 | ||||
8576 | Selector ASTReader::GetExternalSelector(serialization::SelectorID ID) { | |||
8577 | return DecodeSelector(ID); | |||
8578 | } | |||
8579 | ||||
8580 | uint32_t ASTReader::GetNumExternalSelectors() { | |||
8581 | // ID 0 (the null selector) is considered an external selector. | |||
8582 | return getTotalNumSelectors() + 1; | |||
8583 | } | |||
8584 | ||||
8585 | serialization::SelectorID | |||
8586 | ASTReader::getGlobalSelectorID(ModuleFile &M, unsigned LocalID) const { | |||
8587 | if (LocalID < NUM_PREDEF_SELECTOR_IDS) | |||
8588 | return LocalID; | |||
8589 | ||||
8590 | if (!M.ModuleOffsetMap.empty()) | |||
8591 | ReadModuleOffsetMap(M); | |||
8592 | ||||
8593 | ContinuousRangeMap<uint32_t, int, 2>::iterator I | |||
8594 | = M.SelectorRemap.find(LocalID - NUM_PREDEF_SELECTOR_IDS); | |||
8595 | assert(I != M.SelectorRemap.end()(static_cast <bool> (I != M.SelectorRemap.end() && "Invalid index into selector index remap") ? void (0) : __assert_fail ("I != M.SelectorRemap.end() && \"Invalid index into selector index remap\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8596, __extension__ __PRETTY_FUNCTION__)) | |||
8596 | && "Invalid index into selector index remap")(static_cast <bool> (I != M.SelectorRemap.end() && "Invalid index into selector index remap") ? void (0) : __assert_fail ("I != M.SelectorRemap.end() && \"Invalid index into selector index remap\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8596, __extension__ __PRETTY_FUNCTION__)); | |||
8597 | ||||
8598 | return LocalID + I->second; | |||
8599 | } | |||
8600 | ||||
8601 | DeclarationName | |||
8602 | ASTReader::ReadDeclarationName(ModuleFile &F, | |||
8603 | const RecordData &Record, unsigned &Idx) { | |||
8604 | ASTContext &Context = getContext(); | |||
8605 | DeclarationName::NameKind Kind = (DeclarationName::NameKind)Record[Idx++]; | |||
8606 | switch (Kind) { | |||
8607 | case DeclarationName::Identifier: | |||
8608 | return DeclarationName(GetIdentifierInfo(F, Record, Idx)); | |||
8609 | ||||
8610 | case DeclarationName::ObjCZeroArgSelector: | |||
8611 | case DeclarationName::ObjCOneArgSelector: | |||
8612 | case DeclarationName::ObjCMultiArgSelector: | |||
8613 | return DeclarationName(ReadSelector(F, Record, Idx)); | |||
8614 | ||||
8615 | case DeclarationName::CXXConstructorName: | |||
8616 | return Context.DeclarationNames.getCXXConstructorName( | |||
8617 | Context.getCanonicalType(readType(F, Record, Idx))); | |||
8618 | ||||
8619 | case DeclarationName::CXXDestructorName: | |||
8620 | return Context.DeclarationNames.getCXXDestructorName( | |||
8621 | Context.getCanonicalType(readType(F, Record, Idx))); | |||
8622 | ||||
8623 | case DeclarationName::CXXDeductionGuideName: | |||
8624 | return Context.DeclarationNames.getCXXDeductionGuideName( | |||
8625 | ReadDeclAs<TemplateDecl>(F, Record, Idx)); | |||
8626 | ||||
8627 | case DeclarationName::CXXConversionFunctionName: | |||
8628 | return Context.DeclarationNames.getCXXConversionFunctionName( | |||
8629 | Context.getCanonicalType(readType(F, Record, Idx))); | |||
8630 | ||||
8631 | case DeclarationName::CXXOperatorName: | |||
8632 | return Context.DeclarationNames.getCXXOperatorName( | |||
8633 | (OverloadedOperatorKind)Record[Idx++]); | |||
8634 | ||||
8635 | case DeclarationName::CXXLiteralOperatorName: | |||
8636 | return Context.DeclarationNames.getCXXLiteralOperatorName( | |||
8637 | GetIdentifierInfo(F, Record, Idx)); | |||
8638 | ||||
8639 | case DeclarationName::CXXUsingDirective: | |||
8640 | return DeclarationName::getUsingDirectiveName(); | |||
8641 | } | |||
8642 | ||||
8643 | llvm_unreachable("Invalid NameKind!")::llvm::llvm_unreachable_internal("Invalid NameKind!", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8643); | |||
8644 | } | |||
8645 | ||||
8646 | void ASTReader::ReadDeclarationNameLoc(ModuleFile &F, | |||
8647 | DeclarationNameLoc &DNLoc, | |||
8648 | DeclarationName Name, | |||
8649 | const RecordData &Record, unsigned &Idx) { | |||
8650 | switch (Name.getNameKind()) { | |||
8651 | case DeclarationName::CXXConstructorName: | |||
8652 | case DeclarationName::CXXDestructorName: | |||
8653 | case DeclarationName::CXXConversionFunctionName: | |||
8654 | DNLoc.NamedType.TInfo = GetTypeSourceInfo(F, Record, Idx); | |||
8655 | break; | |||
8656 | ||||
8657 | case DeclarationName::CXXOperatorName: | |||
8658 | DNLoc.CXXOperatorName.BeginOpNameLoc | |||
8659 | = ReadSourceLocation(F, Record, Idx).getRawEncoding(); | |||
8660 | DNLoc.CXXOperatorName.EndOpNameLoc | |||
8661 | = ReadSourceLocation(F, Record, Idx).getRawEncoding(); | |||
8662 | break; | |||
8663 | ||||
8664 | case DeclarationName::CXXLiteralOperatorName: | |||
8665 | DNLoc.CXXLiteralOperatorName.OpNameLoc | |||
8666 | = ReadSourceLocation(F, Record, Idx).getRawEncoding(); | |||
8667 | break; | |||
8668 | ||||
8669 | case DeclarationName::Identifier: | |||
8670 | case DeclarationName::ObjCZeroArgSelector: | |||
8671 | case DeclarationName::ObjCOneArgSelector: | |||
8672 | case DeclarationName::ObjCMultiArgSelector: | |||
8673 | case DeclarationName::CXXUsingDirective: | |||
8674 | case DeclarationName::CXXDeductionGuideName: | |||
8675 | break; | |||
8676 | } | |||
8677 | } | |||
8678 | ||||
8679 | void ASTReader::ReadDeclarationNameInfo(ModuleFile &F, | |||
8680 | DeclarationNameInfo &NameInfo, | |||
8681 | const RecordData &Record, unsigned &Idx) { | |||
8682 | NameInfo.setName(ReadDeclarationName(F, Record, Idx)); | |||
8683 | NameInfo.setLoc(ReadSourceLocation(F, Record, Idx)); | |||
8684 | DeclarationNameLoc DNLoc; | |||
8685 | ReadDeclarationNameLoc(F, DNLoc, NameInfo.getName(), Record, Idx); | |||
8686 | NameInfo.setInfo(DNLoc); | |||
8687 | } | |||
8688 | ||||
8689 | void ASTReader::ReadQualifierInfo(ModuleFile &F, QualifierInfo &Info, | |||
8690 | const RecordData &Record, unsigned &Idx) { | |||
8691 | Info.QualifierLoc = ReadNestedNameSpecifierLoc(F, Record, Idx); | |||
8692 | unsigned NumTPLists = Record[Idx++]; | |||
8693 | Info.NumTemplParamLists = NumTPLists; | |||
8694 | if (NumTPLists) { | |||
8695 | Info.TemplParamLists = | |||
8696 | new (getContext()) TemplateParameterList *[NumTPLists]; | |||
8697 | for (unsigned i = 0; i != NumTPLists; ++i) | |||
8698 | Info.TemplParamLists[i] = ReadTemplateParameterList(F, Record, Idx); | |||
8699 | } | |||
8700 | } | |||
8701 | ||||
8702 | TemplateName | |||
8703 | ASTReader::ReadTemplateName(ModuleFile &F, const RecordData &Record, | |||
8704 | unsigned &Idx) { | |||
8705 | ASTContext &Context = getContext(); | |||
8706 | TemplateName::NameKind Kind = (TemplateName::NameKind)Record[Idx++]; | |||
8707 | switch (Kind) { | |||
8708 | case TemplateName::Template: | |||
8709 | return TemplateName(ReadDeclAs<TemplateDecl>(F, Record, Idx)); | |||
8710 | ||||
8711 | case TemplateName::OverloadedTemplate: { | |||
8712 | unsigned size = Record[Idx++]; | |||
8713 | UnresolvedSet<8> Decls; | |||
8714 | while (size--) | |||
8715 | Decls.addDecl(ReadDeclAs<NamedDecl>(F, Record, Idx)); | |||
8716 | ||||
8717 | return Context.getOverloadedTemplateName(Decls.begin(), Decls.end()); | |||
8718 | } | |||
8719 | ||||
8720 | case TemplateName::QualifiedTemplate: { | |||
8721 | NestedNameSpecifier *NNS = ReadNestedNameSpecifier(F, Record, Idx); | |||
8722 | bool hasTemplKeyword = Record[Idx++]; | |||
8723 | TemplateDecl *Template = ReadDeclAs<TemplateDecl>(F, Record, Idx); | |||
8724 | return Context.getQualifiedTemplateName(NNS, hasTemplKeyword, Template); | |||
8725 | } | |||
8726 | ||||
8727 | case TemplateName::DependentTemplate: { | |||
8728 | NestedNameSpecifier *NNS = ReadNestedNameSpecifier(F, Record, Idx); | |||
8729 | if (Record[Idx++]) // isIdentifier | |||
8730 | return Context.getDependentTemplateName(NNS, | |||
8731 | GetIdentifierInfo(F, Record, | |||
8732 | Idx)); | |||
8733 | return Context.getDependentTemplateName(NNS, | |||
8734 | (OverloadedOperatorKind)Record[Idx++]); | |||
8735 | } | |||
8736 | ||||
8737 | case TemplateName::SubstTemplateTemplateParm: { | |||
8738 | TemplateTemplateParmDecl *param | |||
8739 | = ReadDeclAs<TemplateTemplateParmDecl>(F, Record, Idx); | |||
8740 | if (!param) return TemplateName(); | |||
8741 | TemplateName replacement = ReadTemplateName(F, Record, Idx); | |||
8742 | return Context.getSubstTemplateTemplateParm(param, replacement); | |||
8743 | } | |||
8744 | ||||
8745 | case TemplateName::SubstTemplateTemplateParmPack: { | |||
8746 | TemplateTemplateParmDecl *Param | |||
8747 | = ReadDeclAs<TemplateTemplateParmDecl>(F, Record, Idx); | |||
8748 | if (!Param) | |||
8749 | return TemplateName(); | |||
8750 | ||||
8751 | TemplateArgument ArgPack = ReadTemplateArgument(F, Record, Idx); | |||
8752 | if (ArgPack.getKind() != TemplateArgument::Pack) | |||
8753 | return TemplateName(); | |||
8754 | ||||
8755 | return Context.getSubstTemplateTemplateParmPack(Param, ArgPack); | |||
8756 | } | |||
8757 | } | |||
8758 | ||||
8759 | llvm_unreachable("Unhandled template name kind!")::llvm::llvm_unreachable_internal("Unhandled template name kind!" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8759); | |||
8760 | } | |||
8761 | ||||
8762 | TemplateArgument ASTReader::ReadTemplateArgument(ModuleFile &F, | |||
8763 | const RecordData &Record, | |||
8764 | unsigned &Idx, | |||
8765 | bool Canonicalize) { | |||
8766 | ASTContext &Context = getContext(); | |||
8767 | if (Canonicalize) { | |||
8768 | // The caller wants a canonical template argument. Sometimes the AST only | |||
8769 | // wants template arguments in canonical form (particularly as the template | |||
8770 | // argument lists of template specializations) so ensure we preserve that | |||
8771 | // canonical form across serialization. | |||
8772 | TemplateArgument Arg = ReadTemplateArgument(F, Record, Idx, false); | |||
8773 | return Context.getCanonicalTemplateArgument(Arg); | |||
8774 | } | |||
8775 | ||||
8776 | TemplateArgument::ArgKind Kind = (TemplateArgument::ArgKind)Record[Idx++]; | |||
8777 | switch (Kind) { | |||
8778 | case TemplateArgument::Null: | |||
8779 | return TemplateArgument(); | |||
8780 | case TemplateArgument::Type: | |||
8781 | return TemplateArgument(readType(F, Record, Idx)); | |||
8782 | case TemplateArgument::Declaration: { | |||
8783 | ValueDecl *D = ReadDeclAs<ValueDecl>(F, Record, Idx); | |||
8784 | return TemplateArgument(D, readType(F, Record, Idx)); | |||
8785 | } | |||
8786 | case TemplateArgument::NullPtr: | |||
8787 | return TemplateArgument(readType(F, Record, Idx), /*isNullPtr*/true); | |||
8788 | case TemplateArgument::Integral: { | |||
8789 | llvm::APSInt Value = ReadAPSInt(Record, Idx); | |||
8790 | QualType T = readType(F, Record, Idx); | |||
8791 | return TemplateArgument(Context, Value, T); | |||
8792 | } | |||
8793 | case TemplateArgument::Template: | |||
8794 | return TemplateArgument(ReadTemplateName(F, Record, Idx)); | |||
8795 | case TemplateArgument::TemplateExpansion: { | |||
8796 | TemplateName Name = ReadTemplateName(F, Record, Idx); | |||
8797 | Optional<unsigned> NumTemplateExpansions; | |||
8798 | if (unsigned NumExpansions = Record[Idx++]) | |||
8799 | NumTemplateExpansions = NumExpansions - 1; | |||
8800 | return TemplateArgument(Name, NumTemplateExpansions); | |||
8801 | } | |||
8802 | case TemplateArgument::Expression: | |||
8803 | return TemplateArgument(ReadExpr(F)); | |||
8804 | case TemplateArgument::Pack: { | |||
8805 | unsigned NumArgs = Record[Idx++]; | |||
8806 | TemplateArgument *Args = new (Context) TemplateArgument[NumArgs]; | |||
8807 | for (unsigned I = 0; I != NumArgs; ++I) | |||
8808 | Args[I] = ReadTemplateArgument(F, Record, Idx); | |||
8809 | return TemplateArgument(llvm::makeArrayRef(Args, NumArgs)); | |||
8810 | } | |||
8811 | } | |||
8812 | ||||
8813 | llvm_unreachable("Unhandled template argument kind!")::llvm::llvm_unreachable_internal("Unhandled template argument kind!" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8813); | |||
8814 | } | |||
8815 | ||||
8816 | TemplateParameterList * | |||
8817 | ASTReader::ReadTemplateParameterList(ModuleFile &F, | |||
8818 | const RecordData &Record, unsigned &Idx) { | |||
8819 | SourceLocation TemplateLoc = ReadSourceLocation(F, Record, Idx); | |||
8820 | SourceLocation LAngleLoc = ReadSourceLocation(F, Record, Idx); | |||
8821 | SourceLocation RAngleLoc = ReadSourceLocation(F, Record, Idx); | |||
8822 | ||||
8823 | unsigned NumParams = Record[Idx++]; | |||
8824 | SmallVector<NamedDecl *, 16> Params; | |||
8825 | Params.reserve(NumParams); | |||
8826 | while (NumParams--) | |||
8827 | Params.push_back(ReadDeclAs<NamedDecl>(F, Record, Idx)); | |||
8828 | ||||
8829 | // TODO: Concepts | |||
8830 | TemplateParameterList *TemplateParams = TemplateParameterList::Create( | |||
8831 | getContext(), TemplateLoc, LAngleLoc, Params, RAngleLoc, nullptr); | |||
8832 | return TemplateParams; | |||
8833 | } | |||
8834 | ||||
8835 | void | |||
8836 | ASTReader:: | |||
8837 | ReadTemplateArgumentList(SmallVectorImpl<TemplateArgument> &TemplArgs, | |||
8838 | ModuleFile &F, const RecordData &Record, | |||
8839 | unsigned &Idx, bool Canonicalize) { | |||
8840 | unsigned NumTemplateArgs = Record[Idx++]; | |||
8841 | TemplArgs.reserve(NumTemplateArgs); | |||
8842 | while (NumTemplateArgs--) | |||
8843 | TemplArgs.push_back(ReadTemplateArgument(F, Record, Idx, Canonicalize)); | |||
8844 | } | |||
8845 | ||||
8846 | /// Read a UnresolvedSet structure. | |||
8847 | void ASTReader::ReadUnresolvedSet(ModuleFile &F, LazyASTUnresolvedSet &Set, | |||
8848 | const RecordData &Record, unsigned &Idx) { | |||
8849 | unsigned NumDecls = Record[Idx++]; | |||
8850 | Set.reserve(getContext(), NumDecls); | |||
8851 | while (NumDecls--) { | |||
8852 | DeclID ID = ReadDeclID(F, Record, Idx); | |||
8853 | AccessSpecifier AS = (AccessSpecifier)Record[Idx++]; | |||
8854 | Set.addLazyDecl(getContext(), ID, AS); | |||
8855 | } | |||
8856 | } | |||
8857 | ||||
8858 | CXXBaseSpecifier | |||
8859 | ASTReader::ReadCXXBaseSpecifier(ModuleFile &F, | |||
8860 | const RecordData &Record, unsigned &Idx) { | |||
8861 | bool isVirtual = static_cast<bool>(Record[Idx++]); | |||
8862 | bool isBaseOfClass = static_cast<bool>(Record[Idx++]); | |||
8863 | AccessSpecifier AS = static_cast<AccessSpecifier>(Record[Idx++]); | |||
8864 | bool inheritConstructors = static_cast<bool>(Record[Idx++]); | |||
8865 | TypeSourceInfo *TInfo = GetTypeSourceInfo(F, Record, Idx); | |||
8866 | SourceRange Range = ReadSourceRange(F, Record, Idx); | |||
8867 | SourceLocation EllipsisLoc = ReadSourceLocation(F, Record, Idx); | |||
8868 | CXXBaseSpecifier Result(Range, isVirtual, isBaseOfClass, AS, TInfo, | |||
8869 | EllipsisLoc); | |||
8870 | Result.setInheritConstructors(inheritConstructors); | |||
8871 | return Result; | |||
8872 | } | |||
8873 | ||||
8874 | CXXCtorInitializer ** | |||
8875 | ASTReader::ReadCXXCtorInitializers(ModuleFile &F, const RecordData &Record, | |||
8876 | unsigned &Idx) { | |||
8877 | ASTContext &Context = getContext(); | |||
8878 | unsigned NumInitializers = Record[Idx++]; | |||
8879 | assert(NumInitializers && "wrote ctor initializers but have no inits")(static_cast <bool> (NumInitializers && "wrote ctor initializers but have no inits" ) ? void (0) : __assert_fail ("NumInitializers && \"wrote ctor initializers but have no inits\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 8879, __extension__ __PRETTY_FUNCTION__)); | |||
8880 | auto **CtorInitializers = new (Context) CXXCtorInitializer*[NumInitializers]; | |||
8881 | for (unsigned i = 0; i != NumInitializers; ++i) { | |||
8882 | TypeSourceInfo *TInfo = nullptr; | |||
8883 | bool IsBaseVirtual = false; | |||
8884 | FieldDecl *Member = nullptr; | |||
8885 | IndirectFieldDecl *IndirectMember = nullptr; | |||
8886 | ||||
8887 | CtorInitializerType Type = (CtorInitializerType)Record[Idx++]; | |||
8888 | switch (Type) { | |||
8889 | case CTOR_INITIALIZER_BASE: | |||
8890 | TInfo = GetTypeSourceInfo(F, Record, Idx); | |||
8891 | IsBaseVirtual = Record[Idx++]; | |||
8892 | break; | |||
8893 | ||||
8894 | case CTOR_INITIALIZER_DELEGATING: | |||
8895 | TInfo = GetTypeSourceInfo(F, Record, Idx); | |||
8896 | break; | |||
8897 | ||||
8898 | case CTOR_INITIALIZER_MEMBER: | |||
8899 | Member = ReadDeclAs<FieldDecl>(F, Record, Idx); | |||
8900 | break; | |||
8901 | ||||
8902 | case CTOR_INITIALIZER_INDIRECT_MEMBER: | |||
8903 | IndirectMember = ReadDeclAs<IndirectFieldDecl>(F, Record, Idx); | |||
8904 | break; | |||
8905 | } | |||
8906 | ||||
8907 | SourceLocation MemberOrEllipsisLoc = ReadSourceLocation(F, Record, Idx); | |||
8908 | Expr *Init = ReadExpr(F); | |||
8909 | SourceLocation LParenLoc = ReadSourceLocation(F, Record, Idx); | |||
8910 | SourceLocation RParenLoc = ReadSourceLocation(F, Record, Idx); | |||
8911 | ||||
8912 | CXXCtorInitializer *BOMInit; | |||
8913 | if (Type == CTOR_INITIALIZER_BASE) | |||
8914 | BOMInit = new (Context) | |||
8915 | CXXCtorInitializer(Context, TInfo, IsBaseVirtual, LParenLoc, Init, | |||
8916 | RParenLoc, MemberOrEllipsisLoc); | |||
8917 | else if (Type == CTOR_INITIALIZER_DELEGATING) | |||
8918 | BOMInit = new (Context) | |||
8919 | CXXCtorInitializer(Context, TInfo, LParenLoc, Init, RParenLoc); | |||
8920 | else if (Member) | |||
8921 | BOMInit = new (Context) | |||
8922 | CXXCtorInitializer(Context, Member, MemberOrEllipsisLoc, LParenLoc, | |||
8923 | Init, RParenLoc); | |||
8924 | else | |||
8925 | BOMInit = new (Context) | |||
8926 | CXXCtorInitializer(Context, IndirectMember, MemberOrEllipsisLoc, | |||
8927 | LParenLoc, Init, RParenLoc); | |||
8928 | ||||
8929 | if (/*IsWritten*/Record[Idx++]) { | |||
8930 | unsigned SourceOrder = Record[Idx++]; | |||
8931 | BOMInit->setSourceOrder(SourceOrder); | |||
| ||||
8932 | } | |||
8933 | ||||
8934 | CtorInitializers[i] = BOMInit; | |||
8935 | } | |||
8936 | ||||
8937 | return CtorInitializers; | |||
8938 | } | |||
8939 | ||||
8940 | NestedNameSpecifier * | |||
8941 | ASTReader::ReadNestedNameSpecifier(ModuleFile &F, | |||
8942 | const RecordData &Record, unsigned &Idx) { | |||
8943 | ASTContext &Context = getContext(); | |||
8944 | unsigned N = Record[Idx++]; | |||
8945 | NestedNameSpecifier *NNS = nullptr, *Prev = nullptr; | |||
8946 | for (unsigned I = 0; I != N; ++I) { | |||
8947 | NestedNameSpecifier::SpecifierKind Kind | |||
8948 | = (NestedNameSpecifier::SpecifierKind)Record[Idx++]; | |||
8949 | switch (Kind) { | |||
8950 | case NestedNameSpecifier::Identifier: { | |||
8951 | IdentifierInfo *II = GetIdentifierInfo(F, Record, Idx); | |||
8952 | NNS = NestedNameSpecifier::Create(Context, Prev, II); | |||
8953 | break; | |||
8954 | } | |||
8955 | ||||
8956 | case NestedNameSpecifier::Namespace: { | |||
8957 | NamespaceDecl *NS = ReadDeclAs<NamespaceDecl>(F, Record, Idx); | |||
8958 | NNS = NestedNameSpecifier::Create(Context, Prev, NS); | |||
8959 | break; | |||
8960 | } | |||
8961 | ||||
8962 | case NestedNameSpecifier::NamespaceAlias: { | |||
8963 | NamespaceAliasDecl *Alias =ReadDeclAs<NamespaceAliasDecl>(F, Record, Idx); | |||
8964 | NNS = NestedNameSpecifier::Create(Context, Prev, Alias); | |||
8965 | break; | |||
8966 | } | |||
8967 | ||||
8968 | case NestedNameSpecifier::TypeSpec: | |||
8969 | case NestedNameSpecifier::TypeSpecWithTemplate: { | |||
8970 | const Type *T = readType(F, Record, Idx).getTypePtrOrNull(); | |||
8971 | if (!T) | |||
8972 | return nullptr; | |||
8973 | ||||
8974 | bool Template = Record[Idx++]; | |||
8975 | NNS = NestedNameSpecifier::Create(Context, Prev, Template, T); | |||
8976 | break; | |||
8977 | } | |||
8978 | ||||
8979 | case NestedNameSpecifier::Global: | |||
8980 | NNS = NestedNameSpecifier::GlobalSpecifier(Context); | |||
8981 | // No associated value, and there can't be a prefix. | |||
8982 | break; | |||
8983 | ||||
8984 | case NestedNameSpecifier::Super: { | |||
8985 | CXXRecordDecl *RD = ReadDeclAs<CXXRecordDecl>(F, Record, Idx); | |||
8986 | NNS = NestedNameSpecifier::SuperSpecifier(Context, RD); | |||
8987 | break; | |||
8988 | } | |||
8989 | } | |||
8990 | Prev = NNS; | |||
8991 | } | |||
8992 | return NNS; | |||
8993 | } | |||
8994 | ||||
8995 | NestedNameSpecifierLoc | |||
8996 | ASTReader::ReadNestedNameSpecifierLoc(ModuleFile &F, const RecordData &Record, | |||
8997 | unsigned &Idx) { | |||
8998 | ASTContext &Context = getContext(); | |||
8999 | unsigned N = Record[Idx++]; | |||
9000 | NestedNameSpecifierLocBuilder Builder; | |||
9001 | for (unsigned I = 0; I != N; ++I) { | |||
9002 | NestedNameSpecifier::SpecifierKind Kind | |||
9003 | = (NestedNameSpecifier::SpecifierKind)Record[Idx++]; | |||
9004 | switch (Kind) { | |||
9005 | case NestedNameSpecifier::Identifier: { | |||
9006 | IdentifierInfo *II = GetIdentifierInfo(F, Record, Idx); | |||
9007 | SourceRange Range = ReadSourceRange(F, Record, Idx); | |||
9008 | Builder.Extend(Context, II, Range.getBegin(), Range.getEnd()); | |||
9009 | break; | |||
9010 | } | |||
9011 | ||||
9012 | case NestedNameSpecifier::Namespace: { | |||
9013 | NamespaceDecl *NS = ReadDeclAs<NamespaceDecl>(F, Record, Idx); | |||
9014 | SourceRange Range = ReadSourceRange(F, Record, Idx); | |||
9015 | Builder.Extend(Context, NS, Range.getBegin(), Range.getEnd()); | |||
9016 | break; | |||
9017 | } | |||
9018 | ||||
9019 | case NestedNameSpecifier::NamespaceAlias: { | |||
9020 | NamespaceAliasDecl *Alias =ReadDeclAs<NamespaceAliasDecl>(F, Record, Idx); | |||
9021 | SourceRange Range = ReadSourceRange(F, Record, Idx); | |||
9022 | Builder.Extend(Context, Alias, Range.getBegin(), Range.getEnd()); | |||
9023 | break; | |||
9024 | } | |||
9025 | ||||
9026 | case NestedNameSpecifier::TypeSpec: | |||
9027 | case NestedNameSpecifier::TypeSpecWithTemplate: { | |||
9028 | bool Template = Record[Idx++]; | |||
9029 | TypeSourceInfo *T = GetTypeSourceInfo(F, Record, Idx); | |||
9030 | if (!T) | |||
9031 | return NestedNameSpecifierLoc(); | |||
9032 | SourceLocation ColonColonLoc = ReadSourceLocation(F, Record, Idx); | |||
9033 | ||||
9034 | // FIXME: 'template' keyword location not saved anywhere, so we fake it. | |||
9035 | Builder.Extend(Context, | |||
9036 | Template? T->getTypeLoc().getBeginLoc() : SourceLocation(), | |||
9037 | T->getTypeLoc(), ColonColonLoc); | |||
9038 | break; | |||
9039 | } | |||
9040 | ||||
9041 | case NestedNameSpecifier::Global: { | |||
9042 | SourceLocation ColonColonLoc = ReadSourceLocation(F, Record, Idx); | |||
9043 | Builder.MakeGlobal(Context, ColonColonLoc); | |||
9044 | break; | |||
9045 | } | |||
9046 | ||||
9047 | case NestedNameSpecifier::Super: { | |||
9048 | CXXRecordDecl *RD = ReadDeclAs<CXXRecordDecl>(F, Record, Idx); | |||
9049 | SourceRange Range = ReadSourceRange(F, Record, Idx); | |||
9050 | Builder.MakeSuper(Context, RD, Range.getBegin(), Range.getEnd()); | |||
9051 | break; | |||
9052 | } | |||
9053 | } | |||
9054 | } | |||
9055 | ||||
9056 | return Builder.getWithLocInContext(Context); | |||
9057 | } | |||
9058 | ||||
9059 | SourceRange | |||
9060 | ASTReader::ReadSourceRange(ModuleFile &F, const RecordData &Record, | |||
9061 | unsigned &Idx) { | |||
9062 | SourceLocation beg = ReadSourceLocation(F, Record, Idx); | |||
9063 | SourceLocation end = ReadSourceLocation(F, Record, Idx); | |||
9064 | return SourceRange(beg, end); | |||
9065 | } | |||
9066 | ||||
9067 | /// Read an integral value | |||
9068 | llvm::APInt ASTReader::ReadAPInt(const RecordData &Record, unsigned &Idx) { | |||
9069 | unsigned BitWidth = Record[Idx++]; | |||
9070 | unsigned NumWords = llvm::APInt::getNumWords(BitWidth); | |||
9071 | llvm::APInt Result(BitWidth, NumWords, &Record[Idx]); | |||
9072 | Idx += NumWords; | |||
9073 | return Result; | |||
9074 | } | |||
9075 | ||||
9076 | /// Read a signed integral value | |||
9077 | llvm::APSInt ASTReader::ReadAPSInt(const RecordData &Record, unsigned &Idx) { | |||
9078 | bool isUnsigned = Record[Idx++]; | |||
9079 | return llvm::APSInt(ReadAPInt(Record, Idx), isUnsigned); | |||
9080 | } | |||
9081 | ||||
9082 | /// Read a floating-point value | |||
9083 | llvm::APFloat ASTReader::ReadAPFloat(const RecordData &Record, | |||
9084 | const llvm::fltSemantics &Sem, | |||
9085 | unsigned &Idx) { | |||
9086 | return llvm::APFloat(Sem, ReadAPInt(Record, Idx)); | |||
9087 | } | |||
9088 | ||||
9089 | // Read a string | |||
9090 | std::string ASTReader::ReadString(const RecordData &Record, unsigned &Idx) { | |||
9091 | unsigned Len = Record[Idx++]; | |||
9092 | std::string Result(Record.data() + Idx, Record.data() + Idx + Len); | |||
9093 | Idx += Len; | |||
9094 | return Result; | |||
9095 | } | |||
9096 | ||||
9097 | std::string ASTReader::ReadPath(ModuleFile &F, const RecordData &Record, | |||
9098 | unsigned &Idx) { | |||
9099 | std::string Filename = ReadString(Record, Idx); | |||
9100 | ResolveImportedPath(F, Filename); | |||
9101 | return Filename; | |||
9102 | } | |||
9103 | ||||
9104 | VersionTuple ASTReader::ReadVersionTuple(const RecordData &Record, | |||
9105 | unsigned &Idx) { | |||
9106 | unsigned Major = Record[Idx++]; | |||
9107 | unsigned Minor = Record[Idx++]; | |||
9108 | unsigned Subminor = Record[Idx++]; | |||
9109 | if (Minor == 0) | |||
9110 | return VersionTuple(Major); | |||
9111 | if (Subminor == 0) | |||
9112 | return VersionTuple(Major, Minor - 1); | |||
9113 | return VersionTuple(Major, Minor - 1, Subminor - 1); | |||
9114 | } | |||
9115 | ||||
9116 | CXXTemporary *ASTReader::ReadCXXTemporary(ModuleFile &F, | |||
9117 | const RecordData &Record, | |||
9118 | unsigned &Idx) { | |||
9119 | CXXDestructorDecl *Decl = ReadDeclAs<CXXDestructorDecl>(F, Record, Idx); | |||
9120 | return CXXTemporary::Create(getContext(), Decl); | |||
9121 | } | |||
9122 | ||||
9123 | DiagnosticBuilder ASTReader::Diag(unsigned DiagID) const { | |||
9124 | return Diag(CurrentImportLoc, DiagID); | |||
9125 | } | |||
9126 | ||||
9127 | DiagnosticBuilder ASTReader::Diag(SourceLocation Loc, unsigned DiagID) const { | |||
9128 | return Diags.Report(Loc, DiagID); | |||
9129 | } | |||
9130 | ||||
9131 | /// Retrieve the identifier table associated with the | |||
9132 | /// preprocessor. | |||
9133 | IdentifierTable &ASTReader::getIdentifierTable() { | |||
9134 | return PP.getIdentifierTable(); | |||
9135 | } | |||
9136 | ||||
9137 | /// Record that the given ID maps to the given switch-case | |||
9138 | /// statement. | |||
9139 | void ASTReader::RecordSwitchCaseID(SwitchCase *SC, unsigned ID) { | |||
9140 | assert((*CurrSwitchCaseStmts)[ID] == nullptr &&(static_cast <bool> ((*CurrSwitchCaseStmts)[ID] == nullptr && "Already have a SwitchCase with this ID") ? void ( 0) : __assert_fail ("(*CurrSwitchCaseStmts)[ID] == nullptr && \"Already have a SwitchCase with this ID\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9141, __extension__ __PRETTY_FUNCTION__)) | |||
9141 | "Already have a SwitchCase with this ID")(static_cast <bool> ((*CurrSwitchCaseStmts)[ID] == nullptr && "Already have a SwitchCase with this ID") ? void ( 0) : __assert_fail ("(*CurrSwitchCaseStmts)[ID] == nullptr && \"Already have a SwitchCase with this ID\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9141, __extension__ __PRETTY_FUNCTION__)); | |||
9142 | (*CurrSwitchCaseStmts)[ID] = SC; | |||
9143 | } | |||
9144 | ||||
9145 | /// Retrieve the switch-case statement with the given ID. | |||
9146 | SwitchCase *ASTReader::getSwitchCaseWithID(unsigned ID) { | |||
9147 | assert((*CurrSwitchCaseStmts)[ID] != nullptr && "No SwitchCase with this ID")(static_cast <bool> ((*CurrSwitchCaseStmts)[ID] != nullptr && "No SwitchCase with this ID") ? void (0) : __assert_fail ("(*CurrSwitchCaseStmts)[ID] != nullptr && \"No SwitchCase with this ID\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9147, __extension__ __PRETTY_FUNCTION__)); | |||
9148 | return (*CurrSwitchCaseStmts)[ID]; | |||
9149 | } | |||
9150 | ||||
9151 | void ASTReader::ClearSwitchCaseIDs() { | |||
9152 | CurrSwitchCaseStmts->clear(); | |||
9153 | } | |||
9154 | ||||
9155 | void ASTReader::ReadComments() { | |||
9156 | ASTContext &Context = getContext(); | |||
9157 | std::vector<RawComment *> Comments; | |||
9158 | for (SmallVectorImpl<std::pair<BitstreamCursor, | |||
9159 | serialization::ModuleFile *>>::iterator | |||
9160 | I = CommentsCursors.begin(), | |||
9161 | E = CommentsCursors.end(); | |||
9162 | I != E; ++I) { | |||
9163 | Comments.clear(); | |||
9164 | BitstreamCursor &Cursor = I->first; | |||
9165 | serialization::ModuleFile &F = *I->second; | |||
9166 | SavedStreamPosition SavedPosition(Cursor); | |||
9167 | ||||
9168 | RecordData Record; | |||
9169 | while (true) { | |||
9170 | llvm::BitstreamEntry Entry = | |||
9171 | Cursor.advanceSkippingSubblocks(BitstreamCursor::AF_DontPopBlockAtEnd); | |||
9172 | ||||
9173 | switch (Entry.Kind) { | |||
9174 | case llvm::BitstreamEntry::SubBlock: // Handled for us already. | |||
9175 | case llvm::BitstreamEntry::Error: | |||
9176 | Error("malformed block record in AST file"); | |||
9177 | return; | |||
9178 | case llvm::BitstreamEntry::EndBlock: | |||
9179 | goto NextCursor; | |||
9180 | case llvm::BitstreamEntry::Record: | |||
9181 | // The interesting case. | |||
9182 | break; | |||
9183 | } | |||
9184 | ||||
9185 | // Read a record. | |||
9186 | Record.clear(); | |||
9187 | switch ((CommentRecordTypes)Cursor.readRecord(Entry.ID, Record)) { | |||
9188 | case COMMENTS_RAW_COMMENT: { | |||
9189 | unsigned Idx = 0; | |||
9190 | SourceRange SR = ReadSourceRange(F, Record, Idx); | |||
9191 | RawComment::CommentKind Kind = | |||
9192 | (RawComment::CommentKind) Record[Idx++]; | |||
9193 | bool IsTrailingComment = Record[Idx++]; | |||
9194 | bool IsAlmostTrailingComment = Record[Idx++]; | |||
9195 | Comments.push_back(new (Context) RawComment( | |||
9196 | SR, Kind, IsTrailingComment, IsAlmostTrailingComment)); | |||
9197 | break; | |||
9198 | } | |||
9199 | } | |||
9200 | } | |||
9201 | NextCursor: | |||
9202 | // De-serialized SourceLocations get negative FileIDs for other modules, | |||
9203 | // potentially invalidating the original order. Sort it again. | |||
9204 | llvm::sort(Comments.begin(), Comments.end(), | |||
9205 | BeforeThanCompare<RawComment>(SourceMgr)); | |||
9206 | Context.Comments.addDeserializedComments(Comments); | |||
9207 | } | |||
9208 | } | |||
9209 | ||||
9210 | void ASTReader::visitInputFiles(serialization::ModuleFile &MF, | |||
9211 | bool IncludeSystem, bool Complain, | |||
9212 | llvm::function_ref<void(const serialization::InputFile &IF, | |||
9213 | bool isSystem)> Visitor) { | |||
9214 | unsigned NumUserInputs = MF.NumUserInputFiles; | |||
9215 | unsigned NumInputs = MF.InputFilesLoaded.size(); | |||
9216 | assert(NumUserInputs <= NumInputs)(static_cast <bool> (NumUserInputs <= NumInputs) ? void (0) : __assert_fail ("NumUserInputs <= NumInputs", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9216, __extension__ __PRETTY_FUNCTION__)); | |||
9217 | unsigned N = IncludeSystem ? NumInputs : NumUserInputs; | |||
9218 | for (unsigned I = 0; I < N; ++I) { | |||
9219 | bool IsSystem = I >= NumUserInputs; | |||
9220 | InputFile IF = getInputFile(MF, I+1, Complain); | |||
9221 | Visitor(IF, IsSystem); | |||
9222 | } | |||
9223 | } | |||
9224 | ||||
9225 | void ASTReader::visitTopLevelModuleMaps( | |||
9226 | serialization::ModuleFile &MF, | |||
9227 | llvm::function_ref<void(const FileEntry *FE)> Visitor) { | |||
9228 | unsigned NumInputs = MF.InputFilesLoaded.size(); | |||
9229 | for (unsigned I = 0; I < NumInputs; ++I) { | |||
9230 | InputFileInfo IFI = readInputFileInfo(MF, I + 1); | |||
9231 | if (IFI.TopLevelModuleMap) | |||
9232 | // FIXME: This unnecessarily re-reads the InputFileInfo. | |||
9233 | if (auto *FE = getInputFile(MF, I + 1).getFile()) | |||
9234 | Visitor(FE); | |||
9235 | } | |||
9236 | } | |||
9237 | ||||
9238 | std::string ASTReader::getOwningModuleNameForDiagnostic(const Decl *D) { | |||
9239 | // If we know the owning module, use it. | |||
9240 | if (Module *M = D->getImportedOwningModule()) | |||
9241 | return M->getFullModuleName(); | |||
9242 | ||||
9243 | // Otherwise, use the name of the top-level module the decl is within. | |||
9244 | if (ModuleFile *M = getOwningModuleFile(D)) | |||
9245 | return M->ModuleName; | |||
9246 | ||||
9247 | // Not from a module. | |||
9248 | return {}; | |||
9249 | } | |||
9250 | ||||
9251 | void ASTReader::finishPendingActions() { | |||
9252 | while (!PendingIdentifierInfos.empty() || | |||
9253 | !PendingIncompleteDeclChains.empty() || !PendingDeclChains.empty() || | |||
9254 | !PendingMacroIDs.empty() || !PendingDeclContextInfos.empty() || | |||
9255 | !PendingUpdateRecords.empty()) { | |||
9256 | // If any identifiers with corresponding top-level declarations have | |||
9257 | // been loaded, load those declarations now. | |||
9258 | using TopLevelDeclsMap = | |||
9259 | llvm::DenseMap<IdentifierInfo *, SmallVector<Decl *, 2>>; | |||
9260 | TopLevelDeclsMap TopLevelDecls; | |||
9261 | ||||
9262 | while (!PendingIdentifierInfos.empty()) { | |||
9263 | IdentifierInfo *II = PendingIdentifierInfos.back().first; | |||
9264 | SmallVector<uint32_t, 4> DeclIDs = | |||
9265 | std::move(PendingIdentifierInfos.back().second); | |||
9266 | PendingIdentifierInfos.pop_back(); | |||
9267 | ||||
9268 | SetGloballyVisibleDecls(II, DeclIDs, &TopLevelDecls[II]); | |||
9269 | } | |||
9270 | ||||
9271 | // For each decl chain that we wanted to complete while deserializing, mark | |||
9272 | // it as "still needs to be completed". | |||
9273 | for (unsigned I = 0; I != PendingIncompleteDeclChains.size(); ++I) { | |||
9274 | markIncompleteDeclChain(PendingIncompleteDeclChains[I]); | |||
9275 | } | |||
9276 | PendingIncompleteDeclChains.clear(); | |||
9277 | ||||
9278 | // Load pending declaration chains. | |||
9279 | for (unsigned I = 0; I != PendingDeclChains.size(); ++I) | |||
9280 | loadPendingDeclChain(PendingDeclChains[I].first, PendingDeclChains[I].second); | |||
9281 | PendingDeclChains.clear(); | |||
9282 | ||||
9283 | // Make the most recent of the top-level declarations visible. | |||
9284 | for (TopLevelDeclsMap::iterator TLD = TopLevelDecls.begin(), | |||
9285 | TLDEnd = TopLevelDecls.end(); TLD != TLDEnd; ++TLD) { | |||
9286 | IdentifierInfo *II = TLD->first; | |||
9287 | for (unsigned I = 0, N = TLD->second.size(); I != N; ++I) { | |||
9288 | pushExternalDeclIntoScope(cast<NamedDecl>(TLD->second[I]), II); | |||
9289 | } | |||
9290 | } | |||
9291 | ||||
9292 | // Load any pending macro definitions. | |||
9293 | for (unsigned I = 0; I != PendingMacroIDs.size(); ++I) { | |||
9294 | IdentifierInfo *II = PendingMacroIDs.begin()[I].first; | |||
9295 | SmallVector<PendingMacroInfo, 2> GlobalIDs; | |||
9296 | GlobalIDs.swap(PendingMacroIDs.begin()[I].second); | |||
9297 | // Initialize the macro history from chained-PCHs ahead of module imports. | |||
9298 | for (unsigned IDIdx = 0, NumIDs = GlobalIDs.size(); IDIdx != NumIDs; | |||
9299 | ++IDIdx) { | |||
9300 | const PendingMacroInfo &Info = GlobalIDs[IDIdx]; | |||
9301 | if (!Info.M->isModule()) | |||
9302 | resolvePendingMacro(II, Info); | |||
9303 | } | |||
9304 | // Handle module imports. | |||
9305 | for (unsigned IDIdx = 0, NumIDs = GlobalIDs.size(); IDIdx != NumIDs; | |||
9306 | ++IDIdx) { | |||
9307 | const PendingMacroInfo &Info = GlobalIDs[IDIdx]; | |||
9308 | if (Info.M->isModule()) | |||
9309 | resolvePendingMacro(II, Info); | |||
9310 | } | |||
9311 | } | |||
9312 | PendingMacroIDs.clear(); | |||
9313 | ||||
9314 | // Wire up the DeclContexts for Decls that we delayed setting until | |||
9315 | // recursive loading is completed. | |||
9316 | while (!PendingDeclContextInfos.empty()) { | |||
9317 | PendingDeclContextInfo Info = PendingDeclContextInfos.front(); | |||
9318 | PendingDeclContextInfos.pop_front(); | |||
9319 | DeclContext *SemaDC = cast<DeclContext>(GetDecl(Info.SemaDC)); | |||
9320 | DeclContext *LexicalDC = cast<DeclContext>(GetDecl(Info.LexicalDC)); | |||
9321 | Info.D->setDeclContextsImpl(SemaDC, LexicalDC, getContext()); | |||
9322 | } | |||
9323 | ||||
9324 | // Perform any pending declaration updates. | |||
9325 | while (!PendingUpdateRecords.empty()) { | |||
9326 | auto Update = PendingUpdateRecords.pop_back_val(); | |||
9327 | ReadingKindTracker ReadingKind(Read_Decl, *this); | |||
9328 | loadDeclUpdateRecords(Update); | |||
9329 | } | |||
9330 | } | |||
9331 | ||||
9332 | // At this point, all update records for loaded decls are in place, so any | |||
9333 | // fake class definitions should have become real. | |||
9334 | assert(PendingFakeDefinitionData.empty() &&(static_cast <bool> (PendingFakeDefinitionData.empty() && "faked up a class definition but never saw the real one") ? void (0) : __assert_fail ("PendingFakeDefinitionData.empty() && \"faked up a class definition but never saw the real one\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9335, __extension__ __PRETTY_FUNCTION__)) | |||
9335 | "faked up a class definition but never saw the real one")(static_cast <bool> (PendingFakeDefinitionData.empty() && "faked up a class definition but never saw the real one") ? void (0) : __assert_fail ("PendingFakeDefinitionData.empty() && \"faked up a class definition but never saw the real one\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9335, __extension__ __PRETTY_FUNCTION__)); | |||
9336 | ||||
9337 | // If we deserialized any C++ or Objective-C class definitions, any | |||
9338 | // Objective-C protocol definitions, or any redeclarable templates, make sure | |||
9339 | // that all redeclarations point to the definitions. Note that this can only | |||
9340 | // happen now, after the redeclaration chains have been fully wired. | |||
9341 | for (Decl *D : PendingDefinitions) { | |||
9342 | if (TagDecl *TD = dyn_cast<TagDecl>(D)) { | |||
9343 | if (const TagType *TagT = dyn_cast<TagType>(TD->getTypeForDecl())) { | |||
9344 | // Make sure that the TagType points at the definition. | |||
9345 | const_cast<TagType*>(TagT)->decl = TD; | |||
9346 | } | |||
9347 | ||||
9348 | if (auto RD = dyn_cast<CXXRecordDecl>(D)) { | |||
9349 | for (auto *R = getMostRecentExistingDecl(RD); R; | |||
9350 | R = R->getPreviousDecl()) { | |||
9351 | assert((R == D) ==(static_cast <bool> ((R == D) == cast<CXXRecordDecl> (R)->isThisDeclarationADefinition() && "declaration thinks it's the definition but it isn't" ) ? void (0) : __assert_fail ("(R == D) == cast<CXXRecordDecl>(R)->isThisDeclarationADefinition() && \"declaration thinks it's the definition but it isn't\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9353, __extension__ __PRETTY_FUNCTION__)) | |||
9352 | cast<CXXRecordDecl>(R)->isThisDeclarationADefinition() &&(static_cast <bool> ((R == D) == cast<CXXRecordDecl> (R)->isThisDeclarationADefinition() && "declaration thinks it's the definition but it isn't" ) ? void (0) : __assert_fail ("(R == D) == cast<CXXRecordDecl>(R)->isThisDeclarationADefinition() && \"declaration thinks it's the definition but it isn't\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9353, __extension__ __PRETTY_FUNCTION__)) | |||
9353 | "declaration thinks it's the definition but it isn't")(static_cast <bool> ((R == D) == cast<CXXRecordDecl> (R)->isThisDeclarationADefinition() && "declaration thinks it's the definition but it isn't" ) ? void (0) : __assert_fail ("(R == D) == cast<CXXRecordDecl>(R)->isThisDeclarationADefinition() && \"declaration thinks it's the definition but it isn't\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9353, __extension__ __PRETTY_FUNCTION__)); | |||
9354 | cast<CXXRecordDecl>(R)->DefinitionData = RD->DefinitionData; | |||
9355 | } | |||
9356 | } | |||
9357 | ||||
9358 | continue; | |||
9359 | } | |||
9360 | ||||
9361 | if (auto ID = dyn_cast<ObjCInterfaceDecl>(D)) { | |||
9362 | // Make sure that the ObjCInterfaceType points at the definition. | |||
9363 | const_cast<ObjCInterfaceType *>(cast<ObjCInterfaceType>(ID->TypeForDecl)) | |||
9364 | ->Decl = ID; | |||
9365 | ||||
9366 | for (auto *R = getMostRecentExistingDecl(ID); R; R = R->getPreviousDecl()) | |||
9367 | cast<ObjCInterfaceDecl>(R)->Data = ID->Data; | |||
9368 | ||||
9369 | continue; | |||
9370 | } | |||
9371 | ||||
9372 | if (auto PD = dyn_cast<ObjCProtocolDecl>(D)) { | |||
9373 | for (auto *R = getMostRecentExistingDecl(PD); R; R = R->getPreviousDecl()) | |||
9374 | cast<ObjCProtocolDecl>(R)->Data = PD->Data; | |||
9375 | ||||
9376 | continue; | |||
9377 | } | |||
9378 | ||||
9379 | auto RTD = cast<RedeclarableTemplateDecl>(D)->getCanonicalDecl(); | |||
9380 | for (auto *R = getMostRecentExistingDecl(RTD); R; R = R->getPreviousDecl()) | |||
9381 | cast<RedeclarableTemplateDecl>(R)->Common = RTD->Common; | |||
9382 | } | |||
9383 | PendingDefinitions.clear(); | |||
9384 | ||||
9385 | // Load the bodies of any functions or methods we've encountered. We do | |||
9386 | // this now (delayed) so that we can be sure that the declaration chains | |||
9387 | // have been fully wired up (hasBody relies on this). | |||
9388 | // FIXME: We shouldn't require complete redeclaration chains here. | |||
9389 | for (PendingBodiesMap::iterator PB = PendingBodies.begin(), | |||
9390 | PBEnd = PendingBodies.end(); | |||
9391 | PB != PBEnd; ++PB) { | |||
9392 | if (FunctionDecl *FD = dyn_cast<FunctionDecl>(PB->first)) { | |||
9393 | // For a function defined inline within a class template, force the | |||
9394 | // canonical definition to be the one inside the canonical definition of | |||
9395 | // the template. This ensures that we instantiate from a correct view | |||
9396 | // of the template. | |||
9397 | // | |||
9398 | // Sadly we can't do this more generally: we can't be sure that all | |||
9399 | // copies of an arbitrary class definition will have the same members | |||
9400 | // defined (eg, some member functions may not be instantiated, and some | |||
9401 | // special members may or may not have been implicitly defined). | |||
9402 | if (auto *RD = dyn_cast<CXXRecordDecl>(FD->getLexicalParent())) | |||
9403 | if (RD->isDependentContext() && !RD->isThisDeclarationADefinition()) | |||
9404 | continue; | |||
9405 | ||||
9406 | // FIXME: Check for =delete/=default? | |||
9407 | // FIXME: Complain about ODR violations here? | |||
9408 | const FunctionDecl *Defn = nullptr; | |||
9409 | if (!getContext().getLangOpts().Modules || !FD->hasBody(Defn)) { | |||
9410 | FD->setLazyBody(PB->second); | |||
9411 | } else { | |||
9412 | auto *NonConstDefn = const_cast<FunctionDecl*>(Defn); | |||
9413 | mergeDefinitionVisibility(NonConstDefn, FD); | |||
9414 | ||||
9415 | if (!FD->isLateTemplateParsed() && | |||
9416 | !NonConstDefn->isLateTemplateParsed() && | |||
9417 | FD->getODRHash() != NonConstDefn->getODRHash()) { | |||
9418 | if (!isa<CXXMethodDecl>(FD)) { | |||
9419 | PendingFunctionOdrMergeFailures[FD].push_back(NonConstDefn); | |||
9420 | } else if (FD->getLexicalParent()->isFileContext() && | |||
9421 | NonConstDefn->getLexicalParent()->isFileContext()) { | |||
9422 | // Only diagnose out-of-line method definitions. If they are | |||
9423 | // in class definitions, then an error will be generated when | |||
9424 | // processing the class bodies. | |||
9425 | PendingFunctionOdrMergeFailures[FD].push_back(NonConstDefn); | |||
9426 | } | |||
9427 | } | |||
9428 | } | |||
9429 | continue; | |||
9430 | } | |||
9431 | ||||
9432 | ObjCMethodDecl *MD = cast<ObjCMethodDecl>(PB->first); | |||
9433 | if (!getContext().getLangOpts().Modules || !MD->hasBody()) | |||
9434 | MD->setLazyBody(PB->second); | |||
9435 | } | |||
9436 | PendingBodies.clear(); | |||
9437 | ||||
9438 | // Do some cleanup. | |||
9439 | for (auto *ND : PendingMergedDefinitionsToDeduplicate) | |||
9440 | getContext().deduplicateMergedDefinitonsFor(ND); | |||
9441 | PendingMergedDefinitionsToDeduplicate.clear(); | |||
9442 | } | |||
9443 | ||||
9444 | void ASTReader::diagnoseOdrViolations() { | |||
9445 | if (PendingOdrMergeFailures.empty() && PendingOdrMergeChecks.empty() && | |||
9446 | PendingFunctionOdrMergeFailures.empty() && | |||
9447 | PendingEnumOdrMergeFailures.empty()) | |||
9448 | return; | |||
9449 | ||||
9450 | // Trigger the import of the full definition of each class that had any | |||
9451 | // odr-merging problems, so we can produce better diagnostics for them. | |||
9452 | // These updates may in turn find and diagnose some ODR failures, so take | |||
9453 | // ownership of the set first. | |||
9454 | auto OdrMergeFailures = std::move(PendingOdrMergeFailures); | |||
9455 | PendingOdrMergeFailures.clear(); | |||
9456 | for (auto &Merge : OdrMergeFailures) { | |||
9457 | Merge.first->buildLookup(); | |||
9458 | Merge.first->decls_begin(); | |||
9459 | Merge.first->bases_begin(); | |||
9460 | Merge.first->vbases_begin(); | |||
9461 | for (auto &RecordPair : Merge.second) { | |||
9462 | auto *RD = RecordPair.first; | |||
9463 | RD->decls_begin(); | |||
9464 | RD->bases_begin(); | |||
9465 | RD->vbases_begin(); | |||
9466 | } | |||
9467 | } | |||
9468 | ||||
9469 | // Trigger the import of functions. | |||
9470 | auto FunctionOdrMergeFailures = std::move(PendingFunctionOdrMergeFailures); | |||
9471 | PendingFunctionOdrMergeFailures.clear(); | |||
9472 | for (auto &Merge : FunctionOdrMergeFailures) { | |||
9473 | Merge.first->buildLookup(); | |||
9474 | Merge.first->decls_begin(); | |||
9475 | Merge.first->getBody(); | |||
9476 | for (auto &FD : Merge.second) { | |||
9477 | FD->buildLookup(); | |||
9478 | FD->decls_begin(); | |||
9479 | FD->getBody(); | |||
9480 | } | |||
9481 | } | |||
9482 | ||||
9483 | // Trigger the import of enums. | |||
9484 | auto EnumOdrMergeFailures = std::move(PendingEnumOdrMergeFailures); | |||
9485 | PendingEnumOdrMergeFailures.clear(); | |||
9486 | for (auto &Merge : EnumOdrMergeFailures) { | |||
9487 | Merge.first->decls_begin(); | |||
9488 | for (auto &Enum : Merge.second) { | |||
9489 | Enum->decls_begin(); | |||
9490 | } | |||
9491 | } | |||
9492 | ||||
9493 | // For each declaration from a merged context, check that the canonical | |||
9494 | // definition of that context also contains a declaration of the same | |||
9495 | // entity. | |||
9496 | // | |||
9497 | // Caution: this loop does things that might invalidate iterators into | |||
9498 | // PendingOdrMergeChecks. Don't turn this into a range-based for loop! | |||
9499 | while (!PendingOdrMergeChecks.empty()) { | |||
9500 | NamedDecl *D = PendingOdrMergeChecks.pop_back_val(); | |||
9501 | ||||
9502 | // FIXME: Skip over implicit declarations for now. This matters for things | |||
9503 | // like implicitly-declared special member functions. This isn't entirely | |||
9504 | // correct; we can end up with multiple unmerged declarations of the same | |||
9505 | // implicit entity. | |||
9506 | if (D->isImplicit()) | |||
9507 | continue; | |||
9508 | ||||
9509 | DeclContext *CanonDef = D->getDeclContext(); | |||
9510 | ||||
9511 | bool Found = false; | |||
9512 | const Decl *DCanon = D->getCanonicalDecl(); | |||
9513 | ||||
9514 | for (auto RI : D->redecls()) { | |||
9515 | if (RI->getLexicalDeclContext() == CanonDef) { | |||
9516 | Found = true; | |||
9517 | break; | |||
9518 | } | |||
9519 | } | |||
9520 | if (Found) | |||
9521 | continue; | |||
9522 | ||||
9523 | // Quick check failed, time to do the slow thing. Note, we can't just | |||
9524 | // look up the name of D in CanonDef here, because the member that is | |||
9525 | // in CanonDef might not be found by name lookup (it might have been | |||
9526 | // replaced by a more recent declaration in the lookup table), and we | |||
9527 | // can't necessarily find it in the redeclaration chain because it might | |||
9528 | // be merely mergeable, not redeclarable. | |||
9529 | llvm::SmallVector<const NamedDecl*, 4> Candidates; | |||
9530 | for (auto *CanonMember : CanonDef->decls()) { | |||
9531 | if (CanonMember->getCanonicalDecl() == DCanon) { | |||
9532 | // This can happen if the declaration is merely mergeable and not | |||
9533 | // actually redeclarable (we looked for redeclarations earlier). | |||
9534 | // | |||
9535 | // FIXME: We should be able to detect this more efficiently, without | |||
9536 | // pulling in all of the members of CanonDef. | |||
9537 | Found = true; | |||
9538 | break; | |||
9539 | } | |||
9540 | if (auto *ND = dyn_cast<NamedDecl>(CanonMember)) | |||
9541 | if (ND->getDeclName() == D->getDeclName()) | |||
9542 | Candidates.push_back(ND); | |||
9543 | } | |||
9544 | ||||
9545 | if (!Found) { | |||
9546 | // The AST doesn't like TagDecls becoming invalid after they've been | |||
9547 | // completed. We only really need to mark FieldDecls as invalid here. | |||
9548 | if (!isa<TagDecl>(D)) | |||
9549 | D->setInvalidDecl(); | |||
9550 | ||||
9551 | // Ensure we don't accidentally recursively enter deserialization while | |||
9552 | // we're producing our diagnostic. | |||
9553 | Deserializing RecursionGuard(this); | |||
9554 | ||||
9555 | std::string CanonDefModule = | |||
9556 | getOwningModuleNameForDiagnostic(cast<Decl>(CanonDef)); | |||
9557 | Diag(D->getLocation(), diag::err_module_odr_violation_missing_decl) | |||
9558 | << D << getOwningModuleNameForDiagnostic(D) | |||
9559 | << CanonDef << CanonDefModule.empty() << CanonDefModule; | |||
9560 | ||||
9561 | if (Candidates.empty()) | |||
9562 | Diag(cast<Decl>(CanonDef)->getLocation(), | |||
9563 | diag::note_module_odr_violation_no_possible_decls) << D; | |||
9564 | else { | |||
9565 | for (unsigned I = 0, N = Candidates.size(); I != N; ++I) | |||
9566 | Diag(Candidates[I]->getLocation(), | |||
9567 | diag::note_module_odr_violation_possible_decl) | |||
9568 | << Candidates[I]; | |||
9569 | } | |||
9570 | ||||
9571 | DiagnosedOdrMergeFailures.insert(CanonDef); | |||
9572 | } | |||
9573 | } | |||
9574 | ||||
9575 | if (OdrMergeFailures.empty() && FunctionOdrMergeFailures.empty() && | |||
9576 | EnumOdrMergeFailures.empty()) | |||
9577 | return; | |||
9578 | ||||
9579 | // Ensure we don't accidentally recursively enter deserialization while | |||
9580 | // we're producing our diagnostics. | |||
9581 | Deserializing RecursionGuard(this); | |||
9582 | ||||
9583 | // Common code for hashing helpers. | |||
9584 | ODRHash Hash; | |||
9585 | auto ComputeQualTypeODRHash = [&Hash](QualType Ty) { | |||
9586 | Hash.clear(); | |||
9587 | Hash.AddQualType(Ty); | |||
9588 | return Hash.CalculateHash(); | |||
9589 | }; | |||
9590 | ||||
9591 | auto ComputeODRHash = [&Hash](const Stmt *S) { | |||
9592 | assert(S)(static_cast <bool> (S) ? void (0) : __assert_fail ("S" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9592, __extension__ __PRETTY_FUNCTION__)); | |||
9593 | Hash.clear(); | |||
9594 | Hash.AddStmt(S); | |||
9595 | return Hash.CalculateHash(); | |||
9596 | }; | |||
9597 | ||||
9598 | auto ComputeSubDeclODRHash = [&Hash](const Decl *D) { | |||
9599 | assert(D)(static_cast <bool> (D) ? void (0) : __assert_fail ("D" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9599, __extension__ __PRETTY_FUNCTION__)); | |||
9600 | Hash.clear(); | |||
9601 | Hash.AddSubDecl(D); | |||
9602 | return Hash.CalculateHash(); | |||
9603 | }; | |||
9604 | ||||
9605 | auto ComputeTemplateArgumentODRHash = [&Hash](const TemplateArgument &TA) { | |||
9606 | Hash.clear(); | |||
9607 | Hash.AddTemplateArgument(TA); | |||
9608 | return Hash.CalculateHash(); | |||
9609 | }; | |||
9610 | ||||
9611 | auto ComputeTemplateParameterListODRHash = | |||
9612 | [&Hash](const TemplateParameterList *TPL) { | |||
9613 | assert(TPL)(static_cast <bool> (TPL) ? void (0) : __assert_fail ("TPL" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9613, __extension__ __PRETTY_FUNCTION__)); | |||
9614 | Hash.clear(); | |||
9615 | Hash.AddTemplateParameterList(TPL); | |||
9616 | return Hash.CalculateHash(); | |||
9617 | }; | |||
9618 | ||||
9619 | // Issue any pending ODR-failure diagnostics. | |||
9620 | for (auto &Merge : OdrMergeFailures) { | |||
9621 | // If we've already pointed out a specific problem with this class, don't | |||
9622 | // bother issuing a general "something's different" diagnostic. | |||
9623 | if (!DiagnosedOdrMergeFailures.insert(Merge.first).second) | |||
9624 | continue; | |||
9625 | ||||
9626 | bool Diagnosed = false; | |||
9627 | CXXRecordDecl *FirstRecord = Merge.first; | |||
9628 | std::string FirstModule = getOwningModuleNameForDiagnostic(FirstRecord); | |||
9629 | for (auto &RecordPair : Merge.second) { | |||
9630 | CXXRecordDecl *SecondRecord = RecordPair.first; | |||
9631 | // Multiple different declarations got merged together; tell the user | |||
9632 | // where they came from. | |||
9633 | if (FirstRecord == SecondRecord) | |||
9634 | continue; | |||
9635 | ||||
9636 | std::string SecondModule = getOwningModuleNameForDiagnostic(SecondRecord); | |||
9637 | ||||
9638 | auto *FirstDD = FirstRecord->DefinitionData; | |||
9639 | auto *SecondDD = RecordPair.second; | |||
9640 | ||||
9641 | assert(FirstDD && SecondDD && "Definitions without DefinitionData")(static_cast <bool> (FirstDD && SecondDD && "Definitions without DefinitionData") ? void (0) : __assert_fail ("FirstDD && SecondDD && \"Definitions without DefinitionData\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9641, __extension__ __PRETTY_FUNCTION__)); | |||
9642 | ||||
9643 | // Diagnostics from DefinitionData are emitted here. | |||
9644 | if (FirstDD != SecondDD) { | |||
9645 | enum ODRDefinitionDataDifference { | |||
9646 | NumBases, | |||
9647 | NumVBases, | |||
9648 | BaseType, | |||
9649 | BaseVirtual, | |||
9650 | BaseAccess, | |||
9651 | }; | |||
9652 | auto ODRDiagError = [FirstRecord, &FirstModule, | |||
9653 | this](SourceLocation Loc, SourceRange Range, | |||
9654 | ODRDefinitionDataDifference DiffType) { | |||
9655 | return Diag(Loc, diag::err_module_odr_violation_definition_data) | |||
9656 | << FirstRecord << FirstModule.empty() << FirstModule << Range | |||
9657 | << DiffType; | |||
9658 | }; | |||
9659 | auto ODRDiagNote = [&SecondModule, | |||
9660 | this](SourceLocation Loc, SourceRange Range, | |||
9661 | ODRDefinitionDataDifference DiffType) { | |||
9662 | return Diag(Loc, diag::note_module_odr_violation_definition_data) | |||
9663 | << SecondModule << Range << DiffType; | |||
9664 | }; | |||
9665 | ||||
9666 | unsigned FirstNumBases = FirstDD->NumBases; | |||
9667 | unsigned FirstNumVBases = FirstDD->NumVBases; | |||
9668 | unsigned SecondNumBases = SecondDD->NumBases; | |||
9669 | unsigned SecondNumVBases = SecondDD->NumVBases; | |||
9670 | ||||
9671 | auto GetSourceRange = [](struct CXXRecordDecl::DefinitionData *DD) { | |||
9672 | unsigned NumBases = DD->NumBases; | |||
9673 | if (NumBases == 0) return SourceRange(); | |||
9674 | auto bases = DD->bases(); | |||
9675 | return SourceRange(bases[0].getLocStart(), | |||
9676 | bases[NumBases - 1].getLocEnd()); | |||
9677 | }; | |||
9678 | ||||
9679 | if (FirstNumBases != SecondNumBases) { | |||
9680 | ODRDiagError(FirstRecord->getLocation(), GetSourceRange(FirstDD), | |||
9681 | NumBases) | |||
9682 | << FirstNumBases; | |||
9683 | ODRDiagNote(SecondRecord->getLocation(), GetSourceRange(SecondDD), | |||
9684 | NumBases) | |||
9685 | << SecondNumBases; | |||
9686 | Diagnosed = true; | |||
9687 | break; | |||
9688 | } | |||
9689 | ||||
9690 | if (FirstNumVBases != SecondNumVBases) { | |||
9691 | ODRDiagError(FirstRecord->getLocation(), GetSourceRange(FirstDD), | |||
9692 | NumVBases) | |||
9693 | << FirstNumVBases; | |||
9694 | ODRDiagNote(SecondRecord->getLocation(), GetSourceRange(SecondDD), | |||
9695 | NumVBases) | |||
9696 | << SecondNumVBases; | |||
9697 | Diagnosed = true; | |||
9698 | break; | |||
9699 | } | |||
9700 | ||||
9701 | auto FirstBases = FirstDD->bases(); | |||
9702 | auto SecondBases = SecondDD->bases(); | |||
9703 | unsigned i = 0; | |||
9704 | for (i = 0; i < FirstNumBases; ++i) { | |||
9705 | auto FirstBase = FirstBases[i]; | |||
9706 | auto SecondBase = SecondBases[i]; | |||
9707 | if (ComputeQualTypeODRHash(FirstBase.getType()) != | |||
9708 | ComputeQualTypeODRHash(SecondBase.getType())) { | |||
9709 | ODRDiagError(FirstRecord->getLocation(), FirstBase.getSourceRange(), | |||
9710 | BaseType) | |||
9711 | << (i + 1) << FirstBase.getType(); | |||
9712 | ODRDiagNote(SecondRecord->getLocation(), | |||
9713 | SecondBase.getSourceRange(), BaseType) | |||
9714 | << (i + 1) << SecondBase.getType(); | |||
9715 | break; | |||
9716 | } | |||
9717 | ||||
9718 | if (FirstBase.isVirtual() != SecondBase.isVirtual()) { | |||
9719 | ODRDiagError(FirstRecord->getLocation(), FirstBase.getSourceRange(), | |||
9720 | BaseVirtual) | |||
9721 | << (i + 1) << FirstBase.isVirtual() << FirstBase.getType(); | |||
9722 | ODRDiagNote(SecondRecord->getLocation(), | |||
9723 | SecondBase.getSourceRange(), BaseVirtual) | |||
9724 | << (i + 1) << SecondBase.isVirtual() << SecondBase.getType(); | |||
9725 | break; | |||
9726 | } | |||
9727 | ||||
9728 | if (FirstBase.getAccessSpecifierAsWritten() != | |||
9729 | SecondBase.getAccessSpecifierAsWritten()) { | |||
9730 | ODRDiagError(FirstRecord->getLocation(), FirstBase.getSourceRange(), | |||
9731 | BaseAccess) | |||
9732 | << (i + 1) << FirstBase.getType() | |||
9733 | << (int)FirstBase.getAccessSpecifierAsWritten(); | |||
9734 | ODRDiagNote(SecondRecord->getLocation(), | |||
9735 | SecondBase.getSourceRange(), BaseAccess) | |||
9736 | << (i + 1) << SecondBase.getType() | |||
9737 | << (int)SecondBase.getAccessSpecifierAsWritten(); | |||
9738 | break; | |||
9739 | } | |||
9740 | } | |||
9741 | ||||
9742 | if (i != FirstNumBases) { | |||
9743 | Diagnosed = true; | |||
9744 | break; | |||
9745 | } | |||
9746 | } | |||
9747 | ||||
9748 | using DeclHashes = llvm::SmallVector<std::pair<Decl *, unsigned>, 4>; | |||
9749 | ||||
9750 | const ClassTemplateDecl *FirstTemplate = | |||
9751 | FirstRecord->getDescribedClassTemplate(); | |||
9752 | const ClassTemplateDecl *SecondTemplate = | |||
9753 | SecondRecord->getDescribedClassTemplate(); | |||
9754 | ||||
9755 | assert(!FirstTemplate == !SecondTemplate &&(static_cast <bool> (!FirstTemplate == !SecondTemplate && "Both pointers should be null or non-null") ? void (0) : __assert_fail ("!FirstTemplate == !SecondTemplate && \"Both pointers should be null or non-null\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9756, __extension__ __PRETTY_FUNCTION__)) | |||
9756 | "Both pointers should be null or non-null")(static_cast <bool> (!FirstTemplate == !SecondTemplate && "Both pointers should be null or non-null") ? void (0) : __assert_fail ("!FirstTemplate == !SecondTemplate && \"Both pointers should be null or non-null\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9756, __extension__ __PRETTY_FUNCTION__)); | |||
9757 | ||||
9758 | enum ODRTemplateDifference { | |||
9759 | ParamEmptyName, | |||
9760 | ParamName, | |||
9761 | ParamSingleDefaultArgument, | |||
9762 | ParamDifferentDefaultArgument, | |||
9763 | }; | |||
9764 | ||||
9765 | if (FirstTemplate && SecondTemplate) { | |||
9766 | DeclHashes FirstTemplateHashes; | |||
9767 | DeclHashes SecondTemplateHashes; | |||
9768 | ||||
9769 | auto PopulateTemplateParameterHashs = | |||
9770 | [&ComputeSubDeclODRHash](DeclHashes &Hashes, | |||
9771 | const ClassTemplateDecl *TD) { | |||
9772 | for (auto *D : TD->getTemplateParameters()->asArray()) { | |||
9773 | Hashes.emplace_back(D, ComputeSubDeclODRHash(D)); | |||
9774 | } | |||
9775 | }; | |||
9776 | ||||
9777 | PopulateTemplateParameterHashs(FirstTemplateHashes, FirstTemplate); | |||
9778 | PopulateTemplateParameterHashs(SecondTemplateHashes, SecondTemplate); | |||
9779 | ||||
9780 | assert(FirstTemplateHashes.size() == SecondTemplateHashes.size() &&(static_cast <bool> (FirstTemplateHashes.size() == SecondTemplateHashes .size() && "Number of template parameters should be equal." ) ? void (0) : __assert_fail ("FirstTemplateHashes.size() == SecondTemplateHashes.size() && \"Number of template parameters should be equal.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9781, __extension__ __PRETTY_FUNCTION__)) | |||
9781 | "Number of template parameters should be equal.")(static_cast <bool> (FirstTemplateHashes.size() == SecondTemplateHashes .size() && "Number of template parameters should be equal." ) ? void (0) : __assert_fail ("FirstTemplateHashes.size() == SecondTemplateHashes.size() && \"Number of template parameters should be equal.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9781, __extension__ __PRETTY_FUNCTION__)); | |||
9782 | ||||
9783 | auto FirstIt = FirstTemplateHashes.begin(); | |||
9784 | auto FirstEnd = FirstTemplateHashes.end(); | |||
9785 | auto SecondIt = SecondTemplateHashes.begin(); | |||
9786 | for (; FirstIt != FirstEnd; ++FirstIt, ++SecondIt) { | |||
9787 | if (FirstIt->second == SecondIt->second) | |||
9788 | continue; | |||
9789 | ||||
9790 | auto ODRDiagError = [FirstRecord, &FirstModule, | |||
9791 | this](SourceLocation Loc, SourceRange Range, | |||
9792 | ODRTemplateDifference DiffType) { | |||
9793 | return Diag(Loc, diag::err_module_odr_violation_template_parameter) | |||
9794 | << FirstRecord << FirstModule.empty() << FirstModule << Range | |||
9795 | << DiffType; | |||
9796 | }; | |||
9797 | auto ODRDiagNote = [&SecondModule, | |||
9798 | this](SourceLocation Loc, SourceRange Range, | |||
9799 | ODRTemplateDifference DiffType) { | |||
9800 | return Diag(Loc, diag::note_module_odr_violation_template_parameter) | |||
9801 | << SecondModule << Range << DiffType; | |||
9802 | }; | |||
9803 | ||||
9804 | const NamedDecl* FirstDecl = cast<NamedDecl>(FirstIt->first); | |||
9805 | const NamedDecl* SecondDecl = cast<NamedDecl>(SecondIt->first); | |||
9806 | ||||
9807 | assert(FirstDecl->getKind() == SecondDecl->getKind() &&(static_cast <bool> (FirstDecl->getKind() == SecondDecl ->getKind() && "Parameter Decl's should be the same kind." ) ? void (0) : __assert_fail ("FirstDecl->getKind() == SecondDecl->getKind() && \"Parameter Decl's should be the same kind.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9808, __extension__ __PRETTY_FUNCTION__)) | |||
9808 | "Parameter Decl's should be the same kind.")(static_cast <bool> (FirstDecl->getKind() == SecondDecl ->getKind() && "Parameter Decl's should be the same kind." ) ? void (0) : __assert_fail ("FirstDecl->getKind() == SecondDecl->getKind() && \"Parameter Decl's should be the same kind.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9808, __extension__ __PRETTY_FUNCTION__)); | |||
9809 | ||||
9810 | DeclarationName FirstName = FirstDecl->getDeclName(); | |||
9811 | DeclarationName SecondName = SecondDecl->getDeclName(); | |||
9812 | ||||
9813 | if (FirstName != SecondName) { | |||
9814 | const bool FirstNameEmpty = | |||
9815 | FirstName.isIdentifier() && !FirstName.getAsIdentifierInfo(); | |||
9816 | const bool SecondNameEmpty = | |||
9817 | SecondName.isIdentifier() && !SecondName.getAsIdentifierInfo(); | |||
9818 | assert((!FirstNameEmpty || !SecondNameEmpty) &&(static_cast <bool> ((!FirstNameEmpty || !SecondNameEmpty ) && "Both template parameters cannot be unnamed.") ? void (0) : __assert_fail ("(!FirstNameEmpty || !SecondNameEmpty) && \"Both template parameters cannot be unnamed.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9819, __extension__ __PRETTY_FUNCTION__)) | |||
9819 | "Both template parameters cannot be unnamed.")(static_cast <bool> ((!FirstNameEmpty || !SecondNameEmpty ) && "Both template parameters cannot be unnamed.") ? void (0) : __assert_fail ("(!FirstNameEmpty || !SecondNameEmpty) && \"Both template parameters cannot be unnamed.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9819, __extension__ __PRETTY_FUNCTION__)); | |||
9820 | ODRDiagError(FirstDecl->getLocation(), FirstDecl->getSourceRange(), | |||
9821 | FirstNameEmpty ? ParamEmptyName : ParamName) | |||
9822 | << FirstName; | |||
9823 | ODRDiagNote(SecondDecl->getLocation(), SecondDecl->getSourceRange(), | |||
9824 | SecondNameEmpty ? ParamEmptyName : ParamName) | |||
9825 | << SecondName; | |||
9826 | break; | |||
9827 | } | |||
9828 | ||||
9829 | switch (FirstDecl->getKind()) { | |||
9830 | default: | |||
9831 | llvm_unreachable("Invalid template parameter type.")::llvm::llvm_unreachable_internal("Invalid template parameter type." , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9831); | |||
9832 | case Decl::TemplateTypeParm: { | |||
9833 | const auto *FirstParam = cast<TemplateTypeParmDecl>(FirstDecl); | |||
9834 | const auto *SecondParam = cast<TemplateTypeParmDecl>(SecondDecl); | |||
9835 | const bool HasFirstDefaultArgument = | |||
9836 | FirstParam->hasDefaultArgument() && | |||
9837 | !FirstParam->defaultArgumentWasInherited(); | |||
9838 | const bool HasSecondDefaultArgument = | |||
9839 | SecondParam->hasDefaultArgument() && | |||
9840 | !SecondParam->defaultArgumentWasInherited(); | |||
9841 | ||||
9842 | if (HasFirstDefaultArgument != HasSecondDefaultArgument) { | |||
9843 | ODRDiagError(FirstDecl->getLocation(), | |||
9844 | FirstDecl->getSourceRange(), | |||
9845 | ParamSingleDefaultArgument) | |||
9846 | << HasFirstDefaultArgument; | |||
9847 | ODRDiagNote(SecondDecl->getLocation(), | |||
9848 | SecondDecl->getSourceRange(), | |||
9849 | ParamSingleDefaultArgument) | |||
9850 | << HasSecondDefaultArgument; | |||
9851 | break; | |||
9852 | } | |||
9853 | ||||
9854 | assert(HasFirstDefaultArgument && HasSecondDefaultArgument &&(static_cast <bool> (HasFirstDefaultArgument && HasSecondDefaultArgument && "Expecting default arguments." ) ? void (0) : __assert_fail ("HasFirstDefaultArgument && HasSecondDefaultArgument && \"Expecting default arguments.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9855, __extension__ __PRETTY_FUNCTION__)) | |||
9855 | "Expecting default arguments.")(static_cast <bool> (HasFirstDefaultArgument && HasSecondDefaultArgument && "Expecting default arguments." ) ? void (0) : __assert_fail ("HasFirstDefaultArgument && HasSecondDefaultArgument && \"Expecting default arguments.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9855, __extension__ __PRETTY_FUNCTION__)); | |||
9856 | ||||
9857 | ODRDiagError(FirstDecl->getLocation(), FirstDecl->getSourceRange(), | |||
9858 | ParamDifferentDefaultArgument); | |||
9859 | ODRDiagNote(SecondDecl->getLocation(), SecondDecl->getSourceRange(), | |||
9860 | ParamDifferentDefaultArgument); | |||
9861 | ||||
9862 | break; | |||
9863 | } | |||
9864 | case Decl::NonTypeTemplateParm: { | |||
9865 | const auto *FirstParam = cast<NonTypeTemplateParmDecl>(FirstDecl); | |||
9866 | const auto *SecondParam = cast<NonTypeTemplateParmDecl>(SecondDecl); | |||
9867 | const bool HasFirstDefaultArgument = | |||
9868 | FirstParam->hasDefaultArgument() && | |||
9869 | !FirstParam->defaultArgumentWasInherited(); | |||
9870 | const bool HasSecondDefaultArgument = | |||
9871 | SecondParam->hasDefaultArgument() && | |||
9872 | !SecondParam->defaultArgumentWasInherited(); | |||
9873 | ||||
9874 | if (HasFirstDefaultArgument != HasSecondDefaultArgument) { | |||
9875 | ODRDiagError(FirstDecl->getLocation(), | |||
9876 | FirstDecl->getSourceRange(), | |||
9877 | ParamSingleDefaultArgument) | |||
9878 | << HasFirstDefaultArgument; | |||
9879 | ODRDiagNote(SecondDecl->getLocation(), | |||
9880 | SecondDecl->getSourceRange(), | |||
9881 | ParamSingleDefaultArgument) | |||
9882 | << HasSecondDefaultArgument; | |||
9883 | break; | |||
9884 | } | |||
9885 | ||||
9886 | assert(HasFirstDefaultArgument && HasSecondDefaultArgument &&(static_cast <bool> (HasFirstDefaultArgument && HasSecondDefaultArgument && "Expecting default arguments." ) ? void (0) : __assert_fail ("HasFirstDefaultArgument && HasSecondDefaultArgument && \"Expecting default arguments.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9887, __extension__ __PRETTY_FUNCTION__)) | |||
9887 | "Expecting default arguments.")(static_cast <bool> (HasFirstDefaultArgument && HasSecondDefaultArgument && "Expecting default arguments." ) ? void (0) : __assert_fail ("HasFirstDefaultArgument && HasSecondDefaultArgument && \"Expecting default arguments.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9887, __extension__ __PRETTY_FUNCTION__)); | |||
9888 | ||||
9889 | ODRDiagError(FirstDecl->getLocation(), FirstDecl->getSourceRange(), | |||
9890 | ParamDifferentDefaultArgument); | |||
9891 | ODRDiagNote(SecondDecl->getLocation(), SecondDecl->getSourceRange(), | |||
9892 | ParamDifferentDefaultArgument); | |||
9893 | ||||
9894 | break; | |||
9895 | } | |||
9896 | case Decl::TemplateTemplateParm: { | |||
9897 | const auto *FirstParam = cast<TemplateTemplateParmDecl>(FirstDecl); | |||
9898 | const auto *SecondParam = | |||
9899 | cast<TemplateTemplateParmDecl>(SecondDecl); | |||
9900 | const bool HasFirstDefaultArgument = | |||
9901 | FirstParam->hasDefaultArgument() && | |||
9902 | !FirstParam->defaultArgumentWasInherited(); | |||
9903 | const bool HasSecondDefaultArgument = | |||
9904 | SecondParam->hasDefaultArgument() && | |||
9905 | !SecondParam->defaultArgumentWasInherited(); | |||
9906 | ||||
9907 | if (HasFirstDefaultArgument != HasSecondDefaultArgument) { | |||
9908 | ODRDiagError(FirstDecl->getLocation(), | |||
9909 | FirstDecl->getSourceRange(), | |||
9910 | ParamSingleDefaultArgument) | |||
9911 | << HasFirstDefaultArgument; | |||
9912 | ODRDiagNote(SecondDecl->getLocation(), | |||
9913 | SecondDecl->getSourceRange(), | |||
9914 | ParamSingleDefaultArgument) | |||
9915 | << HasSecondDefaultArgument; | |||
9916 | break; | |||
9917 | } | |||
9918 | ||||
9919 | assert(HasFirstDefaultArgument && HasSecondDefaultArgument &&(static_cast <bool> (HasFirstDefaultArgument && HasSecondDefaultArgument && "Expecting default arguments." ) ? void (0) : __assert_fail ("HasFirstDefaultArgument && HasSecondDefaultArgument && \"Expecting default arguments.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9920, __extension__ __PRETTY_FUNCTION__)) | |||
9920 | "Expecting default arguments.")(static_cast <bool> (HasFirstDefaultArgument && HasSecondDefaultArgument && "Expecting default arguments." ) ? void (0) : __assert_fail ("HasFirstDefaultArgument && HasSecondDefaultArgument && \"Expecting default arguments.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9920, __extension__ __PRETTY_FUNCTION__)); | |||
9921 | ||||
9922 | ODRDiagError(FirstDecl->getLocation(), FirstDecl->getSourceRange(), | |||
9923 | ParamDifferentDefaultArgument); | |||
9924 | ODRDiagNote(SecondDecl->getLocation(), SecondDecl->getSourceRange(), | |||
9925 | ParamDifferentDefaultArgument); | |||
9926 | ||||
9927 | break; | |||
9928 | } | |||
9929 | } | |||
9930 | ||||
9931 | break; | |||
9932 | } | |||
9933 | ||||
9934 | if (FirstIt != FirstEnd) { | |||
9935 | Diagnosed = true; | |||
9936 | break; | |||
9937 | } | |||
9938 | } | |||
9939 | ||||
9940 | DeclHashes FirstHashes; | |||
9941 | DeclHashes SecondHashes; | |||
9942 | ||||
9943 | auto PopulateHashes = [&ComputeSubDeclODRHash, FirstRecord]( | |||
9944 | DeclHashes &Hashes, CXXRecordDecl *Record) { | |||
9945 | for (auto *D : Record->decls()) { | |||
9946 | // Due to decl merging, the first CXXRecordDecl is the parent of | |||
9947 | // Decls in both records. | |||
9948 | if (!ODRHash::isWhitelistedDecl(D, FirstRecord)) | |||
9949 | continue; | |||
9950 | Hashes.emplace_back(D, ComputeSubDeclODRHash(D)); | |||
9951 | } | |||
9952 | }; | |||
9953 | PopulateHashes(FirstHashes, FirstRecord); | |||
9954 | PopulateHashes(SecondHashes, SecondRecord); | |||
9955 | ||||
9956 | // Used with err_module_odr_violation_mismatch_decl and | |||
9957 | // note_module_odr_violation_mismatch_decl | |||
9958 | // This list should be the same Decl's as in ODRHash::isWhiteListedDecl | |||
9959 | enum { | |||
9960 | EndOfClass, | |||
9961 | PublicSpecifer, | |||
9962 | PrivateSpecifer, | |||
9963 | ProtectedSpecifer, | |||
9964 | StaticAssert, | |||
9965 | Field, | |||
9966 | CXXMethod, | |||
9967 | TypeAlias, | |||
9968 | TypeDef, | |||
9969 | Var, | |||
9970 | Friend, | |||
9971 | FunctionTemplate, | |||
9972 | Other | |||
9973 | } FirstDiffType = Other, | |||
9974 | SecondDiffType = Other; | |||
9975 | ||||
9976 | auto DifferenceSelector = [](Decl *D) { | |||
9977 | assert(D && "valid Decl required")(static_cast <bool> (D && "valid Decl required" ) ? void (0) : __assert_fail ("D && \"valid Decl required\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9977, __extension__ __PRETTY_FUNCTION__)); | |||
9978 | switch (D->getKind()) { | |||
9979 | default: | |||
9980 | return Other; | |||
9981 | case Decl::AccessSpec: | |||
9982 | switch (D->getAccess()) { | |||
9983 | case AS_public: | |||
9984 | return PublicSpecifer; | |||
9985 | case AS_private: | |||
9986 | return PrivateSpecifer; | |||
9987 | case AS_protected: | |||
9988 | return ProtectedSpecifer; | |||
9989 | case AS_none: | |||
9990 | break; | |||
9991 | } | |||
9992 | llvm_unreachable("Invalid access specifier")::llvm::llvm_unreachable_internal("Invalid access specifier", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 9992); | |||
9993 | case Decl::StaticAssert: | |||
9994 | return StaticAssert; | |||
9995 | case Decl::Field: | |||
9996 | return Field; | |||
9997 | case Decl::CXXMethod: | |||
9998 | case Decl::CXXConstructor: | |||
9999 | case Decl::CXXDestructor: | |||
10000 | return CXXMethod; | |||
10001 | case Decl::TypeAlias: | |||
10002 | return TypeAlias; | |||
10003 | case Decl::Typedef: | |||
10004 | return TypeDef; | |||
10005 | case Decl::Var: | |||
10006 | return Var; | |||
10007 | case Decl::Friend: | |||
10008 | return Friend; | |||
10009 | case Decl::FunctionTemplate: | |||
10010 | return FunctionTemplate; | |||
10011 | } | |||
10012 | }; | |||
10013 | ||||
10014 | Decl *FirstDecl = nullptr; | |||
10015 | Decl *SecondDecl = nullptr; | |||
10016 | auto FirstIt = FirstHashes.begin(); | |||
10017 | auto SecondIt = SecondHashes.begin(); | |||
10018 | ||||
10019 | // If there is a diagnoseable difference, FirstDiffType and | |||
10020 | // SecondDiffType will not be Other and FirstDecl and SecondDecl will be | |||
10021 | // filled in if not EndOfClass. | |||
10022 | while (FirstIt != FirstHashes.end() || SecondIt != SecondHashes.end()) { | |||
10023 | if (FirstIt != FirstHashes.end() && SecondIt != SecondHashes.end() && | |||
10024 | FirstIt->second == SecondIt->second) { | |||
10025 | ++FirstIt; | |||
10026 | ++SecondIt; | |||
10027 | continue; | |||
10028 | } | |||
10029 | ||||
10030 | FirstDecl = FirstIt == FirstHashes.end() ? nullptr : FirstIt->first; | |||
10031 | SecondDecl = SecondIt == SecondHashes.end() ? nullptr : SecondIt->first; | |||
10032 | ||||
10033 | FirstDiffType = FirstDecl ? DifferenceSelector(FirstDecl) : EndOfClass; | |||
10034 | SecondDiffType = | |||
10035 | SecondDecl ? DifferenceSelector(SecondDecl) : EndOfClass; | |||
10036 | ||||
10037 | break; | |||
10038 | } | |||
10039 | ||||
10040 | if (FirstDiffType == Other || SecondDiffType == Other) { | |||
10041 | // Reaching this point means an unexpected Decl was encountered | |||
10042 | // or no difference was detected. This causes a generic error | |||
10043 | // message to be emitted. | |||
10044 | Diag(FirstRecord->getLocation(), | |||
10045 | diag::err_module_odr_violation_different_definitions) | |||
10046 | << FirstRecord << FirstModule.empty() << FirstModule; | |||
10047 | ||||
10048 | if (FirstDecl) { | |||
10049 | Diag(FirstDecl->getLocation(), diag::note_first_module_difference) | |||
10050 | << FirstRecord << FirstDecl->getSourceRange(); | |||
10051 | } | |||
10052 | ||||
10053 | Diag(SecondRecord->getLocation(), | |||
10054 | diag::note_module_odr_violation_different_definitions) | |||
10055 | << SecondModule; | |||
10056 | ||||
10057 | if (SecondDecl) { | |||
10058 | Diag(SecondDecl->getLocation(), diag::note_second_module_difference) | |||
10059 | << SecondDecl->getSourceRange(); | |||
10060 | } | |||
10061 | ||||
10062 | Diagnosed = true; | |||
10063 | break; | |||
10064 | } | |||
10065 | ||||
10066 | if (FirstDiffType != SecondDiffType) { | |||
10067 | SourceLocation FirstLoc; | |||
10068 | SourceRange FirstRange; | |||
10069 | if (FirstDiffType == EndOfClass) { | |||
10070 | FirstLoc = FirstRecord->getBraceRange().getEnd(); | |||
10071 | } else { | |||
10072 | FirstLoc = FirstIt->first->getLocation(); | |||
10073 | FirstRange = FirstIt->first->getSourceRange(); | |||
10074 | } | |||
10075 | Diag(FirstLoc, diag::err_module_odr_violation_mismatch_decl) | |||
10076 | << FirstRecord << FirstModule.empty() << FirstModule << FirstRange | |||
10077 | << FirstDiffType; | |||
10078 | ||||
10079 | SourceLocation SecondLoc; | |||
10080 | SourceRange SecondRange; | |||
10081 | if (SecondDiffType == EndOfClass) { | |||
10082 | SecondLoc = SecondRecord->getBraceRange().getEnd(); | |||
10083 | } else { | |||
10084 | SecondLoc = SecondDecl->getLocation(); | |||
10085 | SecondRange = SecondDecl->getSourceRange(); | |||
10086 | } | |||
10087 | Diag(SecondLoc, diag::note_module_odr_violation_mismatch_decl) | |||
10088 | << SecondModule << SecondRange << SecondDiffType; | |||
10089 | Diagnosed = true; | |||
10090 | break; | |||
10091 | } | |||
10092 | ||||
10093 | assert(FirstDiffType == SecondDiffType)(static_cast <bool> (FirstDiffType == SecondDiffType) ? void (0) : __assert_fail ("FirstDiffType == SecondDiffType", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 10093, __extension__ __PRETTY_FUNCTION__)); | |||
10094 | ||||
10095 | // Used with err_module_odr_violation_mismatch_decl_diff and | |||
10096 | // note_module_odr_violation_mismatch_decl_diff | |||
10097 | enum ODRDeclDifference { | |||
10098 | StaticAssertCondition, | |||
10099 | StaticAssertMessage, | |||
10100 | StaticAssertOnlyMessage, | |||
10101 | FieldName, | |||
10102 | FieldTypeName, | |||
10103 | FieldSingleBitField, | |||
10104 | FieldDifferentWidthBitField, | |||
10105 | FieldSingleMutable, | |||
10106 | FieldSingleInitializer, | |||
10107 | FieldDifferentInitializers, | |||
10108 | MethodName, | |||
10109 | MethodDeleted, | |||
10110 | MethodDefaulted, | |||
10111 | MethodVirtual, | |||
10112 | MethodStatic, | |||
10113 | MethodVolatile, | |||
10114 | MethodConst, | |||
10115 | MethodInline, | |||
10116 | MethodNumberParameters, | |||
10117 | MethodParameterType, | |||
10118 | MethodParameterName, | |||
10119 | MethodParameterSingleDefaultArgument, | |||
10120 | MethodParameterDifferentDefaultArgument, | |||
10121 | MethodNoTemplateArguments, | |||
10122 | MethodDifferentNumberTemplateArguments, | |||
10123 | MethodDifferentTemplateArgument, | |||
10124 | MethodSingleBody, | |||
10125 | MethodDifferentBody, | |||
10126 | TypedefName, | |||
10127 | TypedefType, | |||
10128 | VarName, | |||
10129 | VarType, | |||
10130 | VarSingleInitializer, | |||
10131 | VarDifferentInitializer, | |||
10132 | VarConstexpr, | |||
10133 | FriendTypeFunction, | |||
10134 | FriendType, | |||
10135 | FriendFunction, | |||
10136 | FunctionTemplateDifferentNumberParameters, | |||
10137 | FunctionTemplateParameterDifferentKind, | |||
10138 | FunctionTemplateParameterName, | |||
10139 | FunctionTemplateParameterSingleDefaultArgument, | |||
10140 | FunctionTemplateParameterDifferentDefaultArgument, | |||
10141 | FunctionTemplateParameterDifferentType, | |||
10142 | FunctionTemplatePackParameter, | |||
10143 | }; | |||
10144 | ||||
10145 | // These lambdas have the common portions of the ODR diagnostics. This | |||
10146 | // has the same return as Diag(), so addition parameters can be passed | |||
10147 | // in with operator<< | |||
10148 | auto ODRDiagError = [FirstRecord, &FirstModule, this]( | |||
10149 | SourceLocation Loc, SourceRange Range, ODRDeclDifference DiffType) { | |||
10150 | return Diag(Loc, diag::err_module_odr_violation_mismatch_decl_diff) | |||
10151 | << FirstRecord << FirstModule.empty() << FirstModule << Range | |||
10152 | << DiffType; | |||
10153 | }; | |||
10154 | auto ODRDiagNote = [&SecondModule, this]( | |||
10155 | SourceLocation Loc, SourceRange Range, ODRDeclDifference DiffType) { | |||
10156 | return Diag(Loc, diag::note_module_odr_violation_mismatch_decl_diff) | |||
10157 | << SecondModule << Range << DiffType; | |||
10158 | }; | |||
10159 | ||||
10160 | switch (FirstDiffType) { | |||
10161 | case Other: | |||
10162 | case EndOfClass: | |||
10163 | case PublicSpecifer: | |||
10164 | case PrivateSpecifer: | |||
10165 | case ProtectedSpecifer: | |||
10166 | llvm_unreachable("Invalid diff type")::llvm::llvm_unreachable_internal("Invalid diff type", "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 10166); | |||
10167 | ||||
10168 | case StaticAssert: { | |||
10169 | StaticAssertDecl *FirstSA = cast<StaticAssertDecl>(FirstDecl); | |||
10170 | StaticAssertDecl *SecondSA = cast<StaticAssertDecl>(SecondDecl); | |||
10171 | ||||
10172 | Expr *FirstExpr = FirstSA->getAssertExpr(); | |||
10173 | Expr *SecondExpr = SecondSA->getAssertExpr(); | |||
10174 | unsigned FirstODRHash = ComputeODRHash(FirstExpr); | |||
10175 | unsigned SecondODRHash = ComputeODRHash(SecondExpr); | |||
10176 | if (FirstODRHash != SecondODRHash) { | |||
10177 | ODRDiagError(FirstExpr->getLocStart(), FirstExpr->getSourceRange(), | |||
10178 | StaticAssertCondition); | |||
10179 | ODRDiagNote(SecondExpr->getLocStart(), | |||
10180 | SecondExpr->getSourceRange(), StaticAssertCondition); | |||
10181 | Diagnosed = true; | |||
10182 | break; | |||
10183 | } | |||
10184 | ||||
10185 | StringLiteral *FirstStr = FirstSA->getMessage(); | |||
10186 | StringLiteral *SecondStr = SecondSA->getMessage(); | |||
10187 | assert((FirstStr || SecondStr) && "Both messages cannot be empty")(static_cast <bool> ((FirstStr || SecondStr) && "Both messages cannot be empty") ? void (0) : __assert_fail ( "(FirstStr || SecondStr) && \"Both messages cannot be empty\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 10187, __extension__ __PRETTY_FUNCTION__)); | |||
10188 | if ((FirstStr && !SecondStr) || (!FirstStr && SecondStr)) { | |||
10189 | SourceLocation FirstLoc, SecondLoc; | |||
10190 | SourceRange FirstRange, SecondRange; | |||
10191 | if (FirstStr) { | |||
10192 | FirstLoc = FirstStr->getLocStart(); | |||
10193 | FirstRange = FirstStr->getSourceRange(); | |||
10194 | } else { | |||
10195 | FirstLoc = FirstSA->getLocStart(); | |||
10196 | FirstRange = FirstSA->getSourceRange(); | |||
10197 | } | |||
10198 | if (SecondStr) { | |||
10199 | SecondLoc = SecondStr->getLocStart(); | |||
10200 | SecondRange = SecondStr->getSourceRange(); | |||
10201 | } else { | |||
10202 | SecondLoc = SecondSA->getLocStart(); | |||
10203 | SecondRange = SecondSA->getSourceRange(); | |||
10204 | } | |||
10205 | ODRDiagError(FirstLoc, FirstRange, StaticAssertOnlyMessage) | |||
10206 | << (FirstStr == nullptr); | |||
10207 | ODRDiagNote(SecondLoc, SecondRange, StaticAssertOnlyMessage) | |||
10208 | << (SecondStr == nullptr); | |||
10209 | Diagnosed = true; | |||
10210 | break; | |||
10211 | } | |||
10212 | ||||
10213 | if (FirstStr && SecondStr && | |||
10214 | FirstStr->getString() != SecondStr->getString()) { | |||
10215 | ODRDiagError(FirstStr->getLocStart(), FirstStr->getSourceRange(), | |||
10216 | StaticAssertMessage); | |||
10217 | ODRDiagNote(SecondStr->getLocStart(), SecondStr->getSourceRange(), | |||
10218 | StaticAssertMessage); | |||
10219 | Diagnosed = true; | |||
10220 | break; | |||
10221 | } | |||
10222 | break; | |||
10223 | } | |||
10224 | case Field: { | |||
10225 | FieldDecl *FirstField = cast<FieldDecl>(FirstDecl); | |||
10226 | FieldDecl *SecondField = cast<FieldDecl>(SecondDecl); | |||
10227 | IdentifierInfo *FirstII = FirstField->getIdentifier(); | |||
10228 | IdentifierInfo *SecondII = SecondField->getIdentifier(); | |||
10229 | if (FirstII->getName() != SecondII->getName()) { | |||
10230 | ODRDiagError(FirstField->getLocation(), FirstField->getSourceRange(), | |||
10231 | FieldName) | |||
10232 | << FirstII; | |||
10233 | ODRDiagNote(SecondField->getLocation(), SecondField->getSourceRange(), | |||
10234 | FieldName) | |||
10235 | << SecondII; | |||
10236 | ||||
10237 | Diagnosed = true; | |||
10238 | break; | |||
10239 | } | |||
10240 | ||||
10241 | assert(getContext().hasSameType(FirstField->getType(),(static_cast <bool> (getContext().hasSameType(FirstField ->getType(), SecondField->getType())) ? void (0) : __assert_fail ("getContext().hasSameType(FirstField->getType(), SecondField->getType())" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 10242, __extension__ __PRETTY_FUNCTION__)) | |||
10242 | SecondField->getType()))(static_cast <bool> (getContext().hasSameType(FirstField ->getType(), SecondField->getType())) ? void (0) : __assert_fail ("getContext().hasSameType(FirstField->getType(), SecondField->getType())" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 10242, __extension__ __PRETTY_FUNCTION__)); | |||
10243 | ||||
10244 | QualType FirstType = FirstField->getType(); | |||
10245 | QualType SecondType = SecondField->getType(); | |||
10246 | if (ComputeQualTypeODRHash(FirstType) != | |||
10247 | ComputeQualTypeODRHash(SecondType)) { | |||
10248 | ODRDiagError(FirstField->getLocation(), FirstField->getSourceRange(), | |||
10249 | FieldTypeName) | |||
10250 | << FirstII << FirstType; | |||
10251 | ODRDiagNote(SecondField->getLocation(), SecondField->getSourceRange(), | |||
10252 | FieldTypeName) | |||
10253 | << SecondII << SecondType; | |||
10254 | ||||
10255 | Diagnosed = true; | |||
10256 | break; | |||
10257 | } | |||
10258 | ||||
10259 | const bool IsFirstBitField = FirstField->isBitField(); | |||
10260 | const bool IsSecondBitField = SecondField->isBitField(); | |||
10261 | if (IsFirstBitField != IsSecondBitField) { | |||
10262 | ODRDiagError(FirstField->getLocation(), FirstField->getSourceRange(), | |||
10263 | FieldSingleBitField) | |||
10264 | << FirstII << IsFirstBitField; | |||
10265 | ODRDiagNote(SecondField->getLocation(), SecondField->getSourceRange(), | |||
10266 | FieldSingleBitField) | |||
10267 | << SecondII << IsSecondBitField; | |||
10268 | Diagnosed = true; | |||
10269 | break; | |||
10270 | } | |||
10271 | ||||
10272 | if (IsFirstBitField && IsSecondBitField) { | |||
10273 | ODRDiagError(FirstField->getLocation(), FirstField->getSourceRange(), | |||
10274 | FieldDifferentWidthBitField) | |||
10275 | << FirstII << FirstField->getBitWidth()->getSourceRange(); | |||
10276 | ODRDiagNote(SecondField->getLocation(), SecondField->getSourceRange(), | |||
10277 | FieldDifferentWidthBitField) | |||
10278 | << SecondII << SecondField->getBitWidth()->getSourceRange(); | |||
10279 | Diagnosed = true; | |||
10280 | break; | |||
10281 | } | |||
10282 | ||||
10283 | const bool IsFirstMutable = FirstField->isMutable(); | |||
10284 | const bool IsSecondMutable = SecondField->isMutable(); | |||
10285 | if (IsFirstMutable != IsSecondMutable) { | |||
10286 | ODRDiagError(FirstField->getLocation(), FirstField->getSourceRange(), | |||
10287 | FieldSingleMutable) | |||
10288 | << FirstII << IsFirstMutable; | |||
10289 | ODRDiagNote(SecondField->getLocation(), SecondField->getSourceRange(), | |||
10290 | FieldSingleMutable) | |||
10291 | << SecondII << IsSecondMutable; | |||
10292 | Diagnosed = true; | |||
10293 | break; | |||
10294 | } | |||
10295 | ||||
10296 | const Expr *FirstInitializer = FirstField->getInClassInitializer(); | |||
10297 | const Expr *SecondInitializer = SecondField->getInClassInitializer(); | |||
10298 | if ((!FirstInitializer && SecondInitializer) || | |||
10299 | (FirstInitializer && !SecondInitializer)) { | |||
10300 | ODRDiagError(FirstField->getLocation(), FirstField->getSourceRange(), | |||
10301 | FieldSingleInitializer) | |||
10302 | << FirstII << (FirstInitializer != nullptr); | |||
10303 | ODRDiagNote(SecondField->getLocation(), SecondField->getSourceRange(), | |||
10304 | FieldSingleInitializer) | |||
10305 | << SecondII << (SecondInitializer != nullptr); | |||
10306 | Diagnosed = true; | |||
10307 | break; | |||
10308 | } | |||
10309 | ||||
10310 | if (FirstInitializer && SecondInitializer) { | |||
10311 | unsigned FirstInitHash = ComputeODRHash(FirstInitializer); | |||
10312 | unsigned SecondInitHash = ComputeODRHash(SecondInitializer); | |||
10313 | if (FirstInitHash != SecondInitHash) { | |||
10314 | ODRDiagError(FirstField->getLocation(), | |||
10315 | FirstField->getSourceRange(), | |||
10316 | FieldDifferentInitializers) | |||
10317 | << FirstII << FirstInitializer->getSourceRange(); | |||
10318 | ODRDiagNote(SecondField->getLocation(), | |||
10319 | SecondField->getSourceRange(), | |||
10320 | FieldDifferentInitializers) | |||
10321 | << SecondII << SecondInitializer->getSourceRange(); | |||
10322 | Diagnosed = true; | |||
10323 | break; | |||
10324 | } | |||
10325 | } | |||
10326 | ||||
10327 | break; | |||
10328 | } | |||
10329 | case CXXMethod: { | |||
10330 | enum { | |||
10331 | DiagMethod, | |||
10332 | DiagConstructor, | |||
10333 | DiagDestructor, | |||
10334 | } FirstMethodType, | |||
10335 | SecondMethodType; | |||
10336 | auto GetMethodTypeForDiagnostics = [](const CXXMethodDecl* D) { | |||
10337 | if (isa<CXXConstructorDecl>(D)) return DiagConstructor; | |||
10338 | if (isa<CXXDestructorDecl>(D)) return DiagDestructor; | |||
10339 | return DiagMethod; | |||
10340 | }; | |||
10341 | const CXXMethodDecl *FirstMethod = cast<CXXMethodDecl>(FirstDecl); | |||
10342 | const CXXMethodDecl *SecondMethod = cast<CXXMethodDecl>(SecondDecl); | |||
10343 | FirstMethodType = GetMethodTypeForDiagnostics(FirstMethod); | |||
10344 | SecondMethodType = GetMethodTypeForDiagnostics(SecondMethod); | |||
10345 | auto FirstName = FirstMethod->getDeclName(); | |||
10346 | auto SecondName = SecondMethod->getDeclName(); | |||
10347 | if (FirstMethodType != SecondMethodType || FirstName != SecondName) { | |||
10348 | ODRDiagError(FirstMethod->getLocation(), | |||
10349 | FirstMethod->getSourceRange(), MethodName) | |||
10350 | << FirstMethodType << FirstName; | |||
10351 | ODRDiagNote(SecondMethod->getLocation(), | |||
10352 | SecondMethod->getSourceRange(), MethodName) | |||
10353 | << SecondMethodType << SecondName; | |||
10354 | ||||
10355 | Diagnosed = true; | |||
10356 | break; | |||
10357 | } | |||
10358 | ||||
10359 | const bool FirstDeleted = FirstMethod->isDeletedAsWritten(); | |||
10360 | const bool SecondDeleted = SecondMethod->isDeletedAsWritten(); | |||
10361 | if (FirstDeleted != SecondDeleted) { | |||
10362 | ODRDiagError(FirstMethod->getLocation(), | |||
10363 | FirstMethod->getSourceRange(), MethodDeleted) | |||
10364 | << FirstMethodType << FirstName << FirstDeleted; | |||
10365 | ||||
10366 | ODRDiagNote(SecondMethod->getLocation(), | |||
10367 | SecondMethod->getSourceRange(), MethodDeleted) | |||
10368 | << SecondMethodType << SecondName << SecondDeleted; | |||
10369 | Diagnosed = true; | |||
10370 | break; | |||
10371 | } | |||
10372 | ||||
10373 | const bool FirstDefaulted = FirstMethod->isExplicitlyDefaulted(); | |||
10374 | const bool SecondDefaulted = SecondMethod->isExplicitlyDefaulted(); | |||
10375 | if (FirstDefaulted != SecondDefaulted) { | |||
10376 | ODRDiagError(FirstMethod->getLocation(), | |||
10377 | FirstMethod->getSourceRange(), MethodDefaulted) | |||
10378 | << FirstMethodType << FirstName << FirstDefaulted; | |||
10379 | ||||
10380 | ODRDiagNote(SecondMethod->getLocation(), | |||
10381 | SecondMethod->getSourceRange(), MethodDefaulted) | |||
10382 | << SecondMethodType << SecondName << SecondDefaulted; | |||
10383 | Diagnosed = true; | |||
10384 | break; | |||
10385 | } | |||
10386 | ||||
10387 | const bool FirstVirtual = FirstMethod->isVirtualAsWritten(); | |||
10388 | const bool SecondVirtual = SecondMethod->isVirtualAsWritten(); | |||
10389 | const bool FirstPure = FirstMethod->isPure(); | |||
10390 | const bool SecondPure = SecondMethod->isPure(); | |||
10391 | if ((FirstVirtual || SecondVirtual) && | |||
10392 | (FirstVirtual != SecondVirtual || FirstPure != SecondPure)) { | |||
10393 | ODRDiagError(FirstMethod->getLocation(), | |||
10394 | FirstMethod->getSourceRange(), MethodVirtual) | |||
10395 | << FirstMethodType << FirstName << FirstPure << FirstVirtual; | |||
10396 | ODRDiagNote(SecondMethod->getLocation(), | |||
10397 | SecondMethod->getSourceRange(), MethodVirtual) | |||
10398 | << SecondMethodType << SecondName << SecondPure << SecondVirtual; | |||
10399 | Diagnosed = true; | |||
10400 | break; | |||
10401 | } | |||
10402 | ||||
10403 | // CXXMethodDecl::isStatic uses the canonical Decl. With Decl merging, | |||
10404 | // FirstDecl is the canonical Decl of SecondDecl, so the storage | |||
10405 | // class needs to be checked instead. | |||
10406 | const auto FirstStorage = FirstMethod->getStorageClass(); | |||
10407 | const auto SecondStorage = SecondMethod->getStorageClass(); | |||
10408 | const bool FirstStatic = FirstStorage == SC_Static; | |||
10409 | const bool SecondStatic = SecondStorage == SC_Static; | |||
10410 | if (FirstStatic != SecondStatic) { | |||
10411 | ODRDiagError(FirstMethod->getLocation(), | |||
10412 | FirstMethod->getSourceRange(), MethodStatic) | |||
10413 | << FirstMethodType << FirstName << FirstStatic; | |||
10414 | ODRDiagNote(SecondMethod->getLocation(), | |||
10415 | SecondMethod->getSourceRange(), MethodStatic) | |||
10416 | << SecondMethodType << SecondName << SecondStatic; | |||
10417 | Diagnosed = true; | |||
10418 | break; | |||
10419 | } | |||
10420 | ||||
10421 | const bool FirstVolatile = FirstMethod->isVolatile(); | |||
10422 | const bool SecondVolatile = SecondMethod->isVolatile(); | |||
10423 | if (FirstVolatile != SecondVolatile) { | |||
10424 | ODRDiagError(FirstMethod->getLocation(), | |||
10425 | FirstMethod->getSourceRange(), MethodVolatile) | |||
10426 | << FirstMethodType << FirstName << FirstVolatile; | |||
10427 | ODRDiagNote(SecondMethod->getLocation(), | |||
10428 | SecondMethod->getSourceRange(), MethodVolatile) | |||
10429 | << SecondMethodType << SecondName << SecondVolatile; | |||
10430 | Diagnosed = true; | |||
10431 | break; | |||
10432 | } | |||
10433 | ||||
10434 | const bool FirstConst = FirstMethod->isConst(); | |||
10435 | const bool SecondConst = SecondMethod->isConst(); | |||
10436 | if (FirstConst != SecondConst) { | |||
10437 | ODRDiagError(FirstMethod->getLocation(), | |||
10438 | FirstMethod->getSourceRange(), MethodConst) | |||
10439 | << FirstMethodType << FirstName << FirstConst; | |||
10440 | ODRDiagNote(SecondMethod->getLocation(), | |||
10441 | SecondMethod->getSourceRange(), MethodConst) | |||
10442 | << SecondMethodType << SecondName << SecondConst; | |||
10443 | Diagnosed = true; | |||
10444 | break; | |||
10445 | } | |||
10446 | ||||
10447 | const bool FirstInline = FirstMethod->isInlineSpecified(); | |||
10448 | const bool SecondInline = SecondMethod->isInlineSpecified(); | |||
10449 | if (FirstInline != SecondInline) { | |||
10450 | ODRDiagError(FirstMethod->getLocation(), | |||
10451 | FirstMethod->getSourceRange(), MethodInline) | |||
10452 | << FirstMethodType << FirstName << FirstInline; | |||
10453 | ODRDiagNote(SecondMethod->getLocation(), | |||
10454 | SecondMethod->getSourceRange(), MethodInline) | |||
10455 | << SecondMethodType << SecondName << SecondInline; | |||
10456 | Diagnosed = true; | |||
10457 | break; | |||
10458 | } | |||
10459 | ||||
10460 | const unsigned FirstNumParameters = FirstMethod->param_size(); | |||
10461 | const unsigned SecondNumParameters = SecondMethod->param_size(); | |||
10462 | if (FirstNumParameters != SecondNumParameters) { | |||
10463 | ODRDiagError(FirstMethod->getLocation(), | |||
10464 | FirstMethod->getSourceRange(), MethodNumberParameters) | |||
10465 | << FirstMethodType << FirstName << FirstNumParameters; | |||
10466 | ODRDiagNote(SecondMethod->getLocation(), | |||
10467 | SecondMethod->getSourceRange(), MethodNumberParameters) | |||
10468 | << SecondMethodType << SecondName << SecondNumParameters; | |||
10469 | Diagnosed = true; | |||
10470 | break; | |||
10471 | } | |||
10472 | ||||
10473 | // Need this status boolean to know when break out of the switch. | |||
10474 | bool ParameterMismatch = false; | |||
10475 | for (unsigned I = 0; I < FirstNumParameters; ++I) { | |||
10476 | const ParmVarDecl *FirstParam = FirstMethod->getParamDecl(I); | |||
10477 | const ParmVarDecl *SecondParam = SecondMethod->getParamDecl(I); | |||
10478 | ||||
10479 | QualType FirstParamType = FirstParam->getType(); | |||
10480 | QualType SecondParamType = SecondParam->getType(); | |||
10481 | if (FirstParamType != SecondParamType && | |||
10482 | ComputeQualTypeODRHash(FirstParamType) != | |||
10483 | ComputeQualTypeODRHash(SecondParamType)) { | |||
10484 | if (const DecayedType *ParamDecayedType = | |||
10485 | FirstParamType->getAs<DecayedType>()) { | |||
10486 | ODRDiagError(FirstMethod->getLocation(), | |||
10487 | FirstMethod->getSourceRange(), MethodParameterType) | |||
10488 | << FirstMethodType << FirstName << (I + 1) << FirstParamType | |||
10489 | << true << ParamDecayedType->getOriginalType(); | |||
10490 | } else { | |||
10491 | ODRDiagError(FirstMethod->getLocation(), | |||
10492 | FirstMethod->getSourceRange(), MethodParameterType) | |||
10493 | << FirstMethodType << FirstName << (I + 1) << FirstParamType | |||
10494 | << false; | |||
10495 | } | |||
10496 | ||||
10497 | if (const DecayedType *ParamDecayedType = | |||
10498 | SecondParamType->getAs<DecayedType>()) { | |||
10499 | ODRDiagNote(SecondMethod->getLocation(), | |||
10500 | SecondMethod->getSourceRange(), MethodParameterType) | |||
10501 | << SecondMethodType << SecondName << (I + 1) | |||
10502 | << SecondParamType << true | |||
10503 | << ParamDecayedType->getOriginalType(); | |||
10504 | } else { | |||
10505 | ODRDiagNote(SecondMethod->getLocation(), | |||
10506 | SecondMethod->getSourceRange(), MethodParameterType) | |||
10507 | << SecondMethodType << SecondName << (I + 1) | |||
10508 | << SecondParamType << false; | |||
10509 | } | |||
10510 | ParameterMismatch = true; | |||
10511 | break; | |||
10512 | } | |||
10513 | ||||
10514 | DeclarationName FirstParamName = FirstParam->getDeclName(); | |||
10515 | DeclarationName SecondParamName = SecondParam->getDeclName(); | |||
10516 | if (FirstParamName != SecondParamName) { | |||
10517 | ODRDiagError(FirstMethod->getLocation(), | |||
10518 | FirstMethod->getSourceRange(), MethodParameterName) | |||
10519 | << FirstMethodType << FirstName << (I + 1) << FirstParamName; | |||
10520 | ODRDiagNote(SecondMethod->getLocation(), | |||
10521 | SecondMethod->getSourceRange(), MethodParameterName) | |||
10522 | << SecondMethodType << SecondName << (I + 1) << SecondParamName; | |||
10523 | ParameterMismatch = true; | |||
10524 | break; | |||
10525 | } | |||
10526 | ||||
10527 | const Expr *FirstInit = FirstParam->getInit(); | |||
10528 | const Expr *SecondInit = SecondParam->getInit(); | |||
10529 | if ((FirstInit == nullptr) != (SecondInit == nullptr)) { | |||
10530 | ODRDiagError(FirstMethod->getLocation(), | |||
10531 | FirstMethod->getSourceRange(), | |||
10532 | MethodParameterSingleDefaultArgument) | |||
10533 | << FirstMethodType << FirstName << (I + 1) | |||
10534 | << (FirstInit == nullptr) | |||
10535 | << (FirstInit ? FirstInit->getSourceRange() : SourceRange()); | |||
10536 | ODRDiagNote(SecondMethod->getLocation(), | |||
10537 | SecondMethod->getSourceRange(), | |||
10538 | MethodParameterSingleDefaultArgument) | |||
10539 | << SecondMethodType << SecondName << (I + 1) | |||
10540 | << (SecondInit == nullptr) | |||
10541 | << (SecondInit ? SecondInit->getSourceRange() : SourceRange()); | |||
10542 | ParameterMismatch = true; | |||
10543 | break; | |||
10544 | } | |||
10545 | ||||
10546 | if (FirstInit && SecondInit && | |||
10547 | ComputeODRHash(FirstInit) != ComputeODRHash(SecondInit)) { | |||
10548 | ODRDiagError(FirstMethod->getLocation(), | |||
10549 | FirstMethod->getSourceRange(), | |||
10550 | MethodParameterDifferentDefaultArgument) | |||
10551 | << FirstMethodType << FirstName << (I + 1) | |||
10552 | << FirstInit->getSourceRange(); | |||
10553 | ODRDiagNote(SecondMethod->getLocation(), | |||
10554 | SecondMethod->getSourceRange(), | |||
10555 | MethodParameterDifferentDefaultArgument) | |||
10556 | << SecondMethodType << SecondName << (I + 1) | |||
10557 | << SecondInit->getSourceRange(); | |||
10558 | ParameterMismatch = true; | |||
10559 | break; | |||
10560 | ||||
10561 | } | |||
10562 | } | |||
10563 | ||||
10564 | if (ParameterMismatch) { | |||
10565 | Diagnosed = true; | |||
10566 | break; | |||
10567 | } | |||
10568 | ||||
10569 | const auto *FirstTemplateArgs = | |||
10570 | FirstMethod->getTemplateSpecializationArgs(); | |||
10571 | const auto *SecondTemplateArgs = | |||
10572 | SecondMethod->getTemplateSpecializationArgs(); | |||
10573 | ||||
10574 | if ((FirstTemplateArgs && !SecondTemplateArgs) || | |||
10575 | (!FirstTemplateArgs && SecondTemplateArgs)) { | |||
10576 | ODRDiagError(FirstMethod->getLocation(), | |||
10577 | FirstMethod->getSourceRange(), MethodNoTemplateArguments) | |||
10578 | << FirstMethodType << FirstName << (FirstTemplateArgs != nullptr); | |||
10579 | ODRDiagNote(SecondMethod->getLocation(), | |||
10580 | SecondMethod->getSourceRange(), MethodNoTemplateArguments) | |||
10581 | << SecondMethodType << SecondName | |||
10582 | << (SecondTemplateArgs != nullptr); | |||
10583 | ||||
10584 | Diagnosed = true; | |||
10585 | break; | |||
10586 | } | |||
10587 | ||||
10588 | if (FirstTemplateArgs && SecondTemplateArgs) { | |||
10589 | // Remove pack expansions from argument list. | |||
10590 | auto ExpandTemplateArgumentList = | |||
10591 | [](const TemplateArgumentList *TAL) { | |||
10592 | llvm::SmallVector<const TemplateArgument *, 8> ExpandedList; | |||
10593 | for (const TemplateArgument &TA : TAL->asArray()) { | |||
10594 | if (TA.getKind() != TemplateArgument::Pack) { | |||
10595 | ExpandedList.push_back(&TA); | |||
10596 | continue; | |||
10597 | } | |||
10598 | for (const TemplateArgument &PackTA : TA.getPackAsArray()) { | |||
10599 | ExpandedList.push_back(&PackTA); | |||
10600 | } | |||
10601 | } | |||
10602 | return ExpandedList; | |||
10603 | }; | |||
10604 | llvm::SmallVector<const TemplateArgument *, 8> FirstExpandedList = | |||
10605 | ExpandTemplateArgumentList(FirstTemplateArgs); | |||
10606 | llvm::SmallVector<const TemplateArgument *, 8> SecondExpandedList = | |||
10607 | ExpandTemplateArgumentList(SecondTemplateArgs); | |||
10608 | ||||
10609 | if (FirstExpandedList.size() != SecondExpandedList.size()) { | |||
10610 | ODRDiagError(FirstMethod->getLocation(), | |||
10611 | FirstMethod->getSourceRange(), | |||
10612 | MethodDifferentNumberTemplateArguments) | |||
10613 | << FirstMethodType << FirstName | |||
10614 | << (unsigned)FirstExpandedList.size(); | |||
10615 | ODRDiagNote(SecondMethod->getLocation(), | |||
10616 | SecondMethod->getSourceRange(), | |||
10617 | MethodDifferentNumberTemplateArguments) | |||
10618 | << SecondMethodType << SecondName | |||
10619 | << (unsigned)SecondExpandedList.size(); | |||
10620 | ||||
10621 | Diagnosed = true; | |||
10622 | break; | |||
10623 | } | |||
10624 | ||||
10625 | bool TemplateArgumentMismatch = false; | |||
10626 | for (unsigned i = 0, e = FirstExpandedList.size(); i != e; ++i) { | |||
10627 | const TemplateArgument &FirstTA = *FirstExpandedList[i], | |||
10628 | &SecondTA = *SecondExpandedList[i]; | |||
10629 | if (ComputeTemplateArgumentODRHash(FirstTA) == | |||
10630 | ComputeTemplateArgumentODRHash(SecondTA)) { | |||
10631 | continue; | |||
10632 | } | |||
10633 | ||||
10634 | ODRDiagError(FirstMethod->getLocation(), | |||
10635 | FirstMethod->getSourceRange(), | |||
10636 | MethodDifferentTemplateArgument) | |||
10637 | << FirstMethodType << FirstName << FirstTA << i + 1; | |||
10638 | ODRDiagNote(SecondMethod->getLocation(), | |||
10639 | SecondMethod->getSourceRange(), | |||
10640 | MethodDifferentTemplateArgument) | |||
10641 | << SecondMethodType << SecondName << SecondTA << i + 1; | |||
10642 | ||||
10643 | TemplateArgumentMismatch = true; | |||
10644 | break; | |||
10645 | } | |||
10646 | ||||
10647 | if (TemplateArgumentMismatch) { | |||
10648 | Diagnosed = true; | |||
10649 | break; | |||
10650 | } | |||
10651 | } | |||
10652 | ||||
10653 | // Compute the hash of the method as if it has no body. | |||
10654 | auto ComputeCXXMethodODRHash = [&Hash](const CXXMethodDecl *D) { | |||
10655 | Hash.clear(); | |||
10656 | Hash.AddFunctionDecl(D, true /*SkipBody*/); | |||
10657 | return Hash.CalculateHash(); | |||
10658 | }; | |||
10659 | ||||
10660 | // Compare the hash generated to the hash stored. A difference means | |||
10661 | // that a body was present in the original source. Due to merging, | |||
10662 | // the stardard way of detecting a body will not work. | |||
10663 | const bool HasFirstBody = | |||
10664 | ComputeCXXMethodODRHash(FirstMethod) != FirstMethod->getODRHash(); | |||
10665 | const bool HasSecondBody = | |||
10666 | ComputeCXXMethodODRHash(SecondMethod) != SecondMethod->getODRHash(); | |||
10667 | ||||
10668 | if (HasFirstBody != HasSecondBody) { | |||
10669 | ODRDiagError(FirstMethod->getLocation(), | |||
10670 | FirstMethod->getSourceRange(), MethodSingleBody) | |||
10671 | << FirstMethodType << FirstName << HasFirstBody; | |||
10672 | ODRDiagNote(SecondMethod->getLocation(), | |||
10673 | SecondMethod->getSourceRange(), MethodSingleBody) | |||
10674 | << SecondMethodType << SecondName << HasSecondBody; | |||
10675 | Diagnosed = true; | |||
10676 | break; | |||
10677 | } | |||
10678 | ||||
10679 | if (HasFirstBody && HasSecondBody) { | |||
10680 | ODRDiagError(FirstMethod->getLocation(), | |||
10681 | FirstMethod->getSourceRange(), MethodDifferentBody) | |||
10682 | << FirstMethodType << FirstName; | |||
10683 | ODRDiagNote(SecondMethod->getLocation(), | |||
10684 | SecondMethod->getSourceRange(), MethodDifferentBody) | |||
10685 | << SecondMethodType << SecondName; | |||
10686 | Diagnosed = true; | |||
10687 | break; | |||
10688 | } | |||
10689 | ||||
10690 | break; | |||
10691 | } | |||
10692 | case TypeAlias: | |||
10693 | case TypeDef: { | |||
10694 | TypedefNameDecl *FirstTD = cast<TypedefNameDecl>(FirstDecl); | |||
10695 | TypedefNameDecl *SecondTD = cast<TypedefNameDecl>(SecondDecl); | |||
10696 | auto FirstName = FirstTD->getDeclName(); | |||
10697 | auto SecondName = SecondTD->getDeclName(); | |||
10698 | if (FirstName != SecondName) { | |||
10699 | ODRDiagError(FirstTD->getLocation(), FirstTD->getSourceRange(), | |||
10700 | TypedefName) | |||
10701 | << (FirstDiffType == TypeAlias) << FirstName; | |||
10702 | ODRDiagNote(SecondTD->getLocation(), SecondTD->getSourceRange(), | |||
10703 | TypedefName) | |||
10704 | << (FirstDiffType == TypeAlias) << SecondName; | |||
10705 | Diagnosed = true; | |||
10706 | break; | |||
10707 | } | |||
10708 | ||||
10709 | QualType FirstType = FirstTD->getUnderlyingType(); | |||
10710 | QualType SecondType = SecondTD->getUnderlyingType(); | |||
10711 | if (ComputeQualTypeODRHash(FirstType) != | |||
10712 | ComputeQualTypeODRHash(SecondType)) { | |||
10713 | ODRDiagError(FirstTD->getLocation(), FirstTD->getSourceRange(), | |||
10714 | TypedefType) | |||
10715 | << (FirstDiffType == TypeAlias) << FirstName << FirstType; | |||
10716 | ODRDiagNote(SecondTD->getLocation(), SecondTD->getSourceRange(), | |||
10717 | TypedefType) | |||
10718 | << (FirstDiffType == TypeAlias) << SecondName << SecondType; | |||
10719 | Diagnosed = true; | |||
10720 | break; | |||
10721 | } | |||
10722 | break; | |||
10723 | } | |||
10724 | case Var: { | |||
10725 | VarDecl *FirstVD = cast<VarDecl>(FirstDecl); | |||
10726 | VarDecl *SecondVD = cast<VarDecl>(SecondDecl); | |||
10727 | auto FirstName = FirstVD->getDeclName(); | |||
10728 | auto SecondName = SecondVD->getDeclName(); | |||
10729 | if (FirstName != SecondName) { | |||
10730 | ODRDiagError(FirstVD->getLocation(), FirstVD->getSourceRange(), | |||
10731 | VarName) | |||
10732 | << FirstName; | |||
10733 | ODRDiagNote(SecondVD->getLocation(), SecondVD->getSourceRange(), | |||
10734 | VarName) | |||
10735 | << SecondName; | |||
10736 | Diagnosed = true; | |||
10737 | break; | |||
10738 | } | |||
10739 | ||||
10740 | QualType FirstType = FirstVD->getType(); | |||
10741 | QualType SecondType = SecondVD->getType(); | |||
10742 | if (ComputeQualTypeODRHash(FirstType) != | |||
10743 | ComputeQualTypeODRHash(SecondType)) { | |||
10744 | ODRDiagError(FirstVD->getLocation(), FirstVD->getSourceRange(), | |||
10745 | VarType) | |||
10746 | << FirstName << FirstType; | |||
10747 | ODRDiagNote(SecondVD->getLocation(), SecondVD->getSourceRange(), | |||
10748 | VarType) | |||
10749 | << SecondName << SecondType; | |||
10750 | Diagnosed = true; | |||
10751 | break; | |||
10752 | } | |||
10753 | ||||
10754 | const Expr *FirstInit = FirstVD->getInit(); | |||
10755 | const Expr *SecondInit = SecondVD->getInit(); | |||
10756 | if ((FirstInit == nullptr) != (SecondInit == nullptr)) { | |||
10757 | ODRDiagError(FirstVD->getLocation(), FirstVD->getSourceRange(), | |||
10758 | VarSingleInitializer) | |||
10759 | << FirstName << (FirstInit == nullptr) | |||
10760 | << (FirstInit ? FirstInit->getSourceRange(): SourceRange()); | |||
10761 | ODRDiagNote(SecondVD->getLocation(), SecondVD->getSourceRange(), | |||
10762 | VarSingleInitializer) | |||
10763 | << SecondName << (SecondInit == nullptr) | |||
10764 | << (SecondInit ? SecondInit->getSourceRange() : SourceRange()); | |||
10765 | Diagnosed = true; | |||
10766 | break; | |||
10767 | } | |||
10768 | ||||
10769 | if (FirstInit && SecondInit && | |||
10770 | ComputeODRHash(FirstInit) != ComputeODRHash(SecondInit)) { | |||
10771 | ODRDiagError(FirstVD->getLocation(), FirstVD->getSourceRange(), | |||
10772 | VarDifferentInitializer) | |||
10773 | << FirstName << FirstInit->getSourceRange(); | |||
10774 | ODRDiagNote(SecondVD->getLocation(), SecondVD->getSourceRange(), | |||
10775 | VarDifferentInitializer) | |||
10776 | << SecondName << SecondInit->getSourceRange(); | |||
10777 | Diagnosed = true; | |||
10778 | break; | |||
10779 | } | |||
10780 | ||||
10781 | const bool FirstIsConstexpr = FirstVD->isConstexpr(); | |||
10782 | const bool SecondIsConstexpr = SecondVD->isConstexpr(); | |||
10783 | if (FirstIsConstexpr != SecondIsConstexpr) { | |||
10784 | ODRDiagError(FirstVD->getLocation(), FirstVD->getSourceRange(), | |||
10785 | VarConstexpr) | |||
10786 | << FirstName << FirstIsConstexpr; | |||
10787 | ODRDiagNote(SecondVD->getLocation(), SecondVD->getSourceRange(), | |||
10788 | VarConstexpr) | |||
10789 | << SecondName << SecondIsConstexpr; | |||
10790 | Diagnosed = true; | |||
10791 | break; | |||
10792 | } | |||
10793 | break; | |||
10794 | } | |||
10795 | case Friend: { | |||
10796 | FriendDecl *FirstFriend = cast<FriendDecl>(FirstDecl); | |||
10797 | FriendDecl *SecondFriend = cast<FriendDecl>(SecondDecl); | |||
10798 | ||||
10799 | NamedDecl *FirstND = FirstFriend->getFriendDecl(); | |||
10800 | NamedDecl *SecondND = SecondFriend->getFriendDecl(); | |||
10801 | ||||
10802 | TypeSourceInfo *FirstTSI = FirstFriend->getFriendType(); | |||
10803 | TypeSourceInfo *SecondTSI = SecondFriend->getFriendType(); | |||
10804 | ||||
10805 | if (FirstND && SecondND) { | |||
10806 | ODRDiagError(FirstFriend->getFriendLoc(), | |||
10807 | FirstFriend->getSourceRange(), FriendFunction) | |||
10808 | << FirstND; | |||
10809 | ODRDiagNote(SecondFriend->getFriendLoc(), | |||
10810 | SecondFriend->getSourceRange(), FriendFunction) | |||
10811 | << SecondND; | |||
10812 | ||||
10813 | Diagnosed = true; | |||
10814 | break; | |||
10815 | } | |||
10816 | ||||
10817 | if (FirstTSI && SecondTSI) { | |||
10818 | QualType FirstFriendType = FirstTSI->getType(); | |||
10819 | QualType SecondFriendType = SecondTSI->getType(); | |||
10820 | assert(ComputeQualTypeODRHash(FirstFriendType) !=(static_cast <bool> (ComputeQualTypeODRHash(FirstFriendType ) != ComputeQualTypeODRHash(SecondFriendType)) ? void (0) : __assert_fail ("ComputeQualTypeODRHash(FirstFriendType) != ComputeQualTypeODRHash(SecondFriendType)" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 10821, __extension__ __PRETTY_FUNCTION__)) | |||
10821 | ComputeQualTypeODRHash(SecondFriendType))(static_cast <bool> (ComputeQualTypeODRHash(FirstFriendType ) != ComputeQualTypeODRHash(SecondFriendType)) ? void (0) : __assert_fail ("ComputeQualTypeODRHash(FirstFriendType) != ComputeQualTypeODRHash(SecondFriendType)" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 10821, __extension__ __PRETTY_FUNCTION__)); | |||
10822 | ODRDiagError(FirstFriend->getFriendLoc(), | |||
10823 | FirstFriend->getSourceRange(), FriendType) | |||
10824 | << FirstFriendType; | |||
10825 | ODRDiagNote(SecondFriend->getFriendLoc(), | |||
10826 | SecondFriend->getSourceRange(), FriendType) | |||
10827 | << SecondFriendType; | |||
10828 | Diagnosed = true; | |||
10829 | break; | |||
10830 | } | |||
10831 | ||||
10832 | ODRDiagError(FirstFriend->getFriendLoc(), FirstFriend->getSourceRange(), | |||
10833 | FriendTypeFunction) | |||
10834 | << (FirstTSI == nullptr); | |||
10835 | ODRDiagNote(SecondFriend->getFriendLoc(), | |||
10836 | SecondFriend->getSourceRange(), FriendTypeFunction) | |||
10837 | << (SecondTSI == nullptr); | |||
10838 | ||||
10839 | Diagnosed = true; | |||
10840 | break; | |||
10841 | } | |||
10842 | case FunctionTemplate: { | |||
10843 | FunctionTemplateDecl *FirstTemplate = | |||
10844 | cast<FunctionTemplateDecl>(FirstDecl); | |||
10845 | FunctionTemplateDecl *SecondTemplate = | |||
10846 | cast<FunctionTemplateDecl>(SecondDecl); | |||
10847 | ||||
10848 | TemplateParameterList *FirstTPL = | |||
10849 | FirstTemplate->getTemplateParameters(); | |||
10850 | TemplateParameterList *SecondTPL = | |||
10851 | SecondTemplate->getTemplateParameters(); | |||
10852 | ||||
10853 | if (FirstTPL->size() != SecondTPL->size()) { | |||
10854 | ODRDiagError(FirstTemplate->getLocation(), | |||
10855 | FirstTemplate->getSourceRange(), | |||
10856 | FunctionTemplateDifferentNumberParameters) | |||
10857 | << FirstTemplate << FirstTPL->size(); | |||
10858 | ODRDiagNote(SecondTemplate->getLocation(), | |||
10859 | SecondTemplate->getSourceRange(), | |||
10860 | FunctionTemplateDifferentNumberParameters) | |||
10861 | << SecondTemplate << SecondTPL->size(); | |||
10862 | ||||
10863 | Diagnosed = true; | |||
10864 | break; | |||
10865 | } | |||
10866 | ||||
10867 | bool ParameterMismatch = false; | |||
10868 | for (unsigned i = 0, e = FirstTPL->size(); i != e; ++i) { | |||
10869 | NamedDecl *FirstParam = FirstTPL->getParam(i); | |||
10870 | NamedDecl *SecondParam = SecondTPL->getParam(i); | |||
10871 | ||||
10872 | if (FirstParam->getKind() != SecondParam->getKind()) { | |||
10873 | enum { | |||
10874 | TemplateTypeParameter, | |||
10875 | NonTypeTemplateParameter, | |||
10876 | TemplateTemplateParameter, | |||
10877 | }; | |||
10878 | auto GetParamType = [](NamedDecl *D) { | |||
10879 | switch (D->getKind()) { | |||
10880 | default: | |||
10881 | llvm_unreachable("Unexpected template parameter type")::llvm::llvm_unreachable_internal("Unexpected template parameter type" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 10881); | |||
10882 | case Decl::TemplateTypeParm: | |||
10883 | return TemplateTypeParameter; | |||
10884 | case Decl::NonTypeTemplateParm: | |||
10885 | return NonTypeTemplateParameter; | |||
10886 | case Decl::TemplateTemplateParm: | |||
10887 | return TemplateTemplateParameter; | |||
10888 | } | |||
10889 | }; | |||
10890 | ||||
10891 | ODRDiagError(FirstTemplate->getLocation(), | |||
10892 | FirstTemplate->getSourceRange(), | |||
10893 | FunctionTemplateParameterDifferentKind) | |||
10894 | << FirstTemplate << (i + 1) << GetParamType(FirstParam); | |||
10895 | ODRDiagNote(SecondTemplate->getLocation(), | |||
10896 | SecondTemplate->getSourceRange(), | |||
10897 | FunctionTemplateParameterDifferentKind) | |||
10898 | << SecondTemplate << (i + 1) << GetParamType(SecondParam); | |||
10899 | ||||
10900 | ParameterMismatch = true; | |||
10901 | break; | |||
10902 | } | |||
10903 | ||||
10904 | if (FirstParam->getName() != SecondParam->getName()) { | |||
10905 | ODRDiagError(FirstTemplate->getLocation(), | |||
10906 | FirstTemplate->getSourceRange(), | |||
10907 | FunctionTemplateParameterName) | |||
10908 | << FirstTemplate << (i + 1) << (bool)FirstParam->getIdentifier() | |||
10909 | << FirstParam; | |||
10910 | ODRDiagNote(SecondTemplate->getLocation(), | |||
10911 | SecondTemplate->getSourceRange(), | |||
10912 | FunctionTemplateParameterName) | |||
10913 | << SecondTemplate << (i + 1) | |||
10914 | << (bool)SecondParam->getIdentifier() << SecondParam; | |||
10915 | ParameterMismatch = true; | |||
10916 | break; | |||
10917 | } | |||
10918 | ||||
10919 | if (isa<TemplateTypeParmDecl>(FirstParam) && | |||
10920 | isa<TemplateTypeParmDecl>(SecondParam)) { | |||
10921 | TemplateTypeParmDecl *FirstTTPD = | |||
10922 | cast<TemplateTypeParmDecl>(FirstParam); | |||
10923 | TemplateTypeParmDecl *SecondTTPD = | |||
10924 | cast<TemplateTypeParmDecl>(SecondParam); | |||
10925 | bool HasFirstDefaultArgument = | |||
10926 | FirstTTPD->hasDefaultArgument() && | |||
10927 | !FirstTTPD->defaultArgumentWasInherited(); | |||
10928 | bool HasSecondDefaultArgument = | |||
10929 | SecondTTPD->hasDefaultArgument() && | |||
10930 | !SecondTTPD->defaultArgumentWasInherited(); | |||
10931 | if (HasFirstDefaultArgument != HasSecondDefaultArgument) { | |||
10932 | ODRDiagError(FirstTemplate->getLocation(), | |||
10933 | FirstTemplate->getSourceRange(), | |||
10934 | FunctionTemplateParameterSingleDefaultArgument) | |||
10935 | << FirstTemplate << (i + 1) << HasFirstDefaultArgument; | |||
10936 | ODRDiagNote(SecondTemplate->getLocation(), | |||
10937 | SecondTemplate->getSourceRange(), | |||
10938 | FunctionTemplateParameterSingleDefaultArgument) | |||
10939 | << SecondTemplate << (i + 1) << HasSecondDefaultArgument; | |||
10940 | ParameterMismatch = true; | |||
10941 | break; | |||
10942 | } | |||
10943 | ||||
10944 | if (HasFirstDefaultArgument && HasSecondDefaultArgument) { | |||
10945 | QualType FirstType = FirstTTPD->getDefaultArgument(); | |||
10946 | QualType SecondType = SecondTTPD->getDefaultArgument(); | |||
10947 | if (ComputeQualTypeODRHash(FirstType) != | |||
10948 | ComputeQualTypeODRHash(SecondType)) { | |||
10949 | ODRDiagError(FirstTemplate->getLocation(), | |||
10950 | FirstTemplate->getSourceRange(), | |||
10951 | FunctionTemplateParameterDifferentDefaultArgument) | |||
10952 | << FirstTemplate << (i + 1) << FirstType; | |||
10953 | ODRDiagNote(SecondTemplate->getLocation(), | |||
10954 | SecondTemplate->getSourceRange(), | |||
10955 | FunctionTemplateParameterDifferentDefaultArgument) | |||
10956 | << SecondTemplate << (i + 1) << SecondType; | |||
10957 | ParameterMismatch = true; | |||
10958 | break; | |||
10959 | } | |||
10960 | } | |||
10961 | ||||
10962 | if (FirstTTPD->isParameterPack() != | |||
10963 | SecondTTPD->isParameterPack()) { | |||
10964 | ODRDiagError(FirstTemplate->getLocation(), | |||
10965 | FirstTemplate->getSourceRange(), | |||
10966 | FunctionTemplatePackParameter) | |||
10967 | << FirstTemplate << (i + 1) << FirstTTPD->isParameterPack(); | |||
10968 | ODRDiagNote(SecondTemplate->getLocation(), | |||
10969 | SecondTemplate->getSourceRange(), | |||
10970 | FunctionTemplatePackParameter) | |||
10971 | << SecondTemplate << (i + 1) << SecondTTPD->isParameterPack(); | |||
10972 | ParameterMismatch = true; | |||
10973 | break; | |||
10974 | } | |||
10975 | } | |||
10976 | ||||
10977 | if (isa<TemplateTemplateParmDecl>(FirstParam) && | |||
10978 | isa<TemplateTemplateParmDecl>(SecondParam)) { | |||
10979 | TemplateTemplateParmDecl *FirstTTPD = | |||
10980 | cast<TemplateTemplateParmDecl>(FirstParam); | |||
10981 | TemplateTemplateParmDecl *SecondTTPD = | |||
10982 | cast<TemplateTemplateParmDecl>(SecondParam); | |||
10983 | ||||
10984 | TemplateParameterList *FirstTPL = | |||
10985 | FirstTTPD->getTemplateParameters(); | |||
10986 | TemplateParameterList *SecondTPL = | |||
10987 | SecondTTPD->getTemplateParameters(); | |||
10988 | ||||
10989 | if (ComputeTemplateParameterListODRHash(FirstTPL) != | |||
10990 | ComputeTemplateParameterListODRHash(SecondTPL)) { | |||
10991 | ODRDiagError(FirstTemplate->getLocation(), | |||
10992 | FirstTemplate->getSourceRange(), | |||
10993 | FunctionTemplateParameterDifferentType) | |||
10994 | << FirstTemplate << (i + 1); | |||
10995 | ODRDiagNote(SecondTemplate->getLocation(), | |||
10996 | SecondTemplate->getSourceRange(), | |||
10997 | FunctionTemplateParameterDifferentType) | |||
10998 | << SecondTemplate << (i + 1); | |||
10999 | ParameterMismatch = true; | |||
11000 | break; | |||
11001 | } | |||
11002 | ||||
11003 | bool HasFirstDefaultArgument = | |||
11004 | FirstTTPD->hasDefaultArgument() && | |||
11005 | !FirstTTPD->defaultArgumentWasInherited(); | |||
11006 | bool HasSecondDefaultArgument = | |||
11007 | SecondTTPD->hasDefaultArgument() && | |||
11008 | !SecondTTPD->defaultArgumentWasInherited(); | |||
11009 | if (HasFirstDefaultArgument != HasSecondDefaultArgument) { | |||
11010 | ODRDiagError(FirstTemplate->getLocation(), | |||
11011 | FirstTemplate->getSourceRange(), | |||
11012 | FunctionTemplateParameterSingleDefaultArgument) | |||
11013 | << FirstTemplate << (i + 1) << HasFirstDefaultArgument; | |||
11014 | ODRDiagNote(SecondTemplate->getLocation(), | |||
11015 | SecondTemplate->getSourceRange(), | |||
11016 | FunctionTemplateParameterSingleDefaultArgument) | |||
11017 | << SecondTemplate << (i + 1) << HasSecondDefaultArgument; | |||
11018 | ParameterMismatch = true; | |||
11019 | break; | |||
11020 | } | |||
11021 | ||||
11022 | if (HasFirstDefaultArgument && HasSecondDefaultArgument) { | |||
11023 | TemplateArgument FirstTA = | |||
11024 | FirstTTPD->getDefaultArgument().getArgument(); | |||
11025 | TemplateArgument SecondTA = | |||
11026 | SecondTTPD->getDefaultArgument().getArgument(); | |||
11027 | if (ComputeTemplateArgumentODRHash(FirstTA) != | |||
11028 | ComputeTemplateArgumentODRHash(SecondTA)) { | |||
11029 | ODRDiagError(FirstTemplate->getLocation(), | |||
11030 | FirstTemplate->getSourceRange(), | |||
11031 | FunctionTemplateParameterDifferentDefaultArgument) | |||
11032 | << FirstTemplate << (i + 1) << FirstTA; | |||
11033 | ODRDiagNote(SecondTemplate->getLocation(), | |||
11034 | SecondTemplate->getSourceRange(), | |||
11035 | FunctionTemplateParameterDifferentDefaultArgument) | |||
11036 | << SecondTemplate << (i + 1) << SecondTA; | |||
11037 | ParameterMismatch = true; | |||
11038 | break; | |||
11039 | } | |||
11040 | } | |||
11041 | ||||
11042 | if (FirstTTPD->isParameterPack() != | |||
11043 | SecondTTPD->isParameterPack()) { | |||
11044 | ODRDiagError(FirstTemplate->getLocation(), | |||
11045 | FirstTemplate->getSourceRange(), | |||
11046 | FunctionTemplatePackParameter) | |||
11047 | << FirstTemplate << (i + 1) << FirstTTPD->isParameterPack(); | |||
11048 | ODRDiagNote(SecondTemplate->getLocation(), | |||
11049 | SecondTemplate->getSourceRange(), | |||
11050 | FunctionTemplatePackParameter) | |||
11051 | << SecondTemplate << (i + 1) << SecondTTPD->isParameterPack(); | |||
11052 | ParameterMismatch = true; | |||
11053 | break; | |||
11054 | } | |||
11055 | } | |||
11056 | ||||
11057 | if (isa<NonTypeTemplateParmDecl>(FirstParam) && | |||
11058 | isa<NonTypeTemplateParmDecl>(SecondParam)) { | |||
11059 | NonTypeTemplateParmDecl *FirstNTTPD = | |||
11060 | cast<NonTypeTemplateParmDecl>(FirstParam); | |||
11061 | NonTypeTemplateParmDecl *SecondNTTPD = | |||
11062 | cast<NonTypeTemplateParmDecl>(SecondParam); | |||
11063 | ||||
11064 | QualType FirstType = FirstNTTPD->getType(); | |||
11065 | QualType SecondType = SecondNTTPD->getType(); | |||
11066 | if (ComputeQualTypeODRHash(FirstType) != | |||
11067 | ComputeQualTypeODRHash(SecondType)) { | |||
11068 | ODRDiagError(FirstTemplate->getLocation(), | |||
11069 | FirstTemplate->getSourceRange(), | |||
11070 | FunctionTemplateParameterDifferentType) | |||
11071 | << FirstTemplate << (i + 1); | |||
11072 | ODRDiagNote(SecondTemplate->getLocation(), | |||
11073 | SecondTemplate->getSourceRange(), | |||
11074 | FunctionTemplateParameterDifferentType) | |||
11075 | << SecondTemplate << (i + 1); | |||
11076 | ParameterMismatch = true; | |||
11077 | break; | |||
11078 | } | |||
11079 | ||||
11080 | bool HasFirstDefaultArgument = | |||
11081 | FirstNTTPD->hasDefaultArgument() && | |||
11082 | !FirstNTTPD->defaultArgumentWasInherited(); | |||
11083 | bool HasSecondDefaultArgument = | |||
11084 | SecondNTTPD->hasDefaultArgument() && | |||
11085 | !SecondNTTPD->defaultArgumentWasInherited(); | |||
11086 | if (HasFirstDefaultArgument != HasSecondDefaultArgument) { | |||
11087 | ODRDiagError(FirstTemplate->getLocation(), | |||
11088 | FirstTemplate->getSourceRange(), | |||
11089 | FunctionTemplateParameterSingleDefaultArgument) | |||
11090 | << FirstTemplate << (i + 1) << HasFirstDefaultArgument; | |||
11091 | ODRDiagNote(SecondTemplate->getLocation(), | |||
11092 | SecondTemplate->getSourceRange(), | |||
11093 | FunctionTemplateParameterSingleDefaultArgument) | |||
11094 | << SecondTemplate << (i + 1) << HasSecondDefaultArgument; | |||
11095 | ParameterMismatch = true; | |||
11096 | break; | |||
11097 | } | |||
11098 | ||||
11099 | if (HasFirstDefaultArgument && HasSecondDefaultArgument) { | |||
11100 | Expr *FirstDefaultArgument = FirstNTTPD->getDefaultArgument(); | |||
11101 | Expr *SecondDefaultArgument = SecondNTTPD->getDefaultArgument(); | |||
11102 | if (ComputeODRHash(FirstDefaultArgument) != | |||
11103 | ComputeODRHash(SecondDefaultArgument)) { | |||
11104 | ODRDiagError(FirstTemplate->getLocation(), | |||
11105 | FirstTemplate->getSourceRange(), | |||
11106 | FunctionTemplateParameterDifferentDefaultArgument) | |||
11107 | << FirstTemplate << (i + 1) << FirstDefaultArgument; | |||
11108 | ODRDiagNote(SecondTemplate->getLocation(), | |||
11109 | SecondTemplate->getSourceRange(), | |||
11110 | FunctionTemplateParameterDifferentDefaultArgument) | |||
11111 | << SecondTemplate << (i + 1) << SecondDefaultArgument; | |||
11112 | ParameterMismatch = true; | |||
11113 | break; | |||
11114 | } | |||
11115 | } | |||
11116 | ||||
11117 | if (FirstNTTPD->isParameterPack() != | |||
11118 | SecondNTTPD->isParameterPack()) { | |||
11119 | ODRDiagError(FirstTemplate->getLocation(), | |||
11120 | FirstTemplate->getSourceRange(), | |||
11121 | FunctionTemplatePackParameter) | |||
11122 | << FirstTemplate << (i + 1) << FirstNTTPD->isParameterPack(); | |||
11123 | ODRDiagNote(SecondTemplate->getLocation(), | |||
11124 | SecondTemplate->getSourceRange(), | |||
11125 | FunctionTemplatePackParameter) | |||
11126 | << SecondTemplate << (i + 1) | |||
11127 | << SecondNTTPD->isParameterPack(); | |||
11128 | ParameterMismatch = true; | |||
11129 | break; | |||
11130 | } | |||
11131 | } | |||
11132 | } | |||
11133 | ||||
11134 | if (ParameterMismatch) { | |||
11135 | Diagnosed = true; | |||
11136 | break; | |||
11137 | } | |||
11138 | ||||
11139 | break; | |||
11140 | } | |||
11141 | } | |||
11142 | ||||
11143 | if (Diagnosed) | |||
11144 | continue; | |||
11145 | ||||
11146 | Diag(FirstDecl->getLocation(), | |||
11147 | diag::err_module_odr_violation_mismatch_decl_unknown) | |||
11148 | << FirstRecord << FirstModule.empty() << FirstModule << FirstDiffType | |||
11149 | << FirstDecl->getSourceRange(); | |||
11150 | Diag(SecondDecl->getLocation(), | |||
11151 | diag::note_module_odr_violation_mismatch_decl_unknown) | |||
11152 | << SecondModule << FirstDiffType << SecondDecl->getSourceRange(); | |||
11153 | Diagnosed = true; | |||
11154 | } | |||
11155 | ||||
11156 | if (!Diagnosed) { | |||
11157 | // All definitions are updates to the same declaration. This happens if a | |||
11158 | // module instantiates the declaration of a class template specialization | |||
11159 | // and two or more other modules instantiate its definition. | |||
11160 | // | |||
11161 | // FIXME: Indicate which modules had instantiations of this definition. | |||
11162 | // FIXME: How can this even happen? | |||
11163 | Diag(Merge.first->getLocation(), | |||
11164 | diag::err_module_odr_violation_different_instantiations) | |||
11165 | << Merge.first; | |||
11166 | } | |||
11167 | } | |||
11168 | ||||
11169 | // Issue ODR failures diagnostics for functions. | |||
11170 | for (auto &Merge : FunctionOdrMergeFailures) { | |||
11171 | enum ODRFunctionDifference { | |||
11172 | ReturnType, | |||
11173 | ParameterName, | |||
11174 | ParameterType, | |||
11175 | ParameterSingleDefaultArgument, | |||
11176 | ParameterDifferentDefaultArgument, | |||
11177 | FunctionBody, | |||
11178 | }; | |||
11179 | ||||
11180 | FunctionDecl *FirstFunction = Merge.first; | |||
11181 | std::string FirstModule = getOwningModuleNameForDiagnostic(FirstFunction); | |||
11182 | ||||
11183 | bool Diagnosed = false; | |||
11184 | for (auto &SecondFunction : Merge.second) { | |||
11185 | ||||
11186 | if (FirstFunction == SecondFunction) | |||
11187 | continue; | |||
11188 | ||||
11189 | std::string SecondModule = | |||
11190 | getOwningModuleNameForDiagnostic(SecondFunction); | |||
11191 | ||||
11192 | auto ODRDiagError = [FirstFunction, &FirstModule, | |||
11193 | this](SourceLocation Loc, SourceRange Range, | |||
11194 | ODRFunctionDifference DiffType) { | |||
11195 | return Diag(Loc, diag::err_module_odr_violation_function) | |||
11196 | << FirstFunction << FirstModule.empty() << FirstModule << Range | |||
11197 | << DiffType; | |||
11198 | }; | |||
11199 | auto ODRDiagNote = [&SecondModule, this](SourceLocation Loc, | |||
11200 | SourceRange Range, | |||
11201 | ODRFunctionDifference DiffType) { | |||
11202 | return Diag(Loc, diag::note_module_odr_violation_function) | |||
11203 | << SecondModule << Range << DiffType; | |||
11204 | }; | |||
11205 | ||||
11206 | if (ComputeQualTypeODRHash(FirstFunction->getReturnType()) != | |||
11207 | ComputeQualTypeODRHash(SecondFunction->getReturnType())) { | |||
11208 | ODRDiagError(FirstFunction->getReturnTypeSourceRange().getBegin(), | |||
11209 | FirstFunction->getReturnTypeSourceRange(), ReturnType) | |||
11210 | << FirstFunction->getReturnType(); | |||
11211 | ODRDiagNote(SecondFunction->getReturnTypeSourceRange().getBegin(), | |||
11212 | SecondFunction->getReturnTypeSourceRange(), ReturnType) | |||
11213 | << SecondFunction->getReturnType(); | |||
11214 | Diagnosed = true; | |||
11215 | break; | |||
11216 | } | |||
11217 | ||||
11218 | assert(FirstFunction->param_size() == SecondFunction->param_size() &&(static_cast <bool> (FirstFunction->param_size() == SecondFunction ->param_size() && "Merged functions with different number of parameters" ) ? void (0) : __assert_fail ("FirstFunction->param_size() == SecondFunction->param_size() && \"Merged functions with different number of parameters\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 11219, __extension__ __PRETTY_FUNCTION__)) | |||
11219 | "Merged functions with different number of parameters")(static_cast <bool> (FirstFunction->param_size() == SecondFunction ->param_size() && "Merged functions with different number of parameters" ) ? void (0) : __assert_fail ("FirstFunction->param_size() == SecondFunction->param_size() && \"Merged functions with different number of parameters\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 11219, __extension__ __PRETTY_FUNCTION__)); | |||
11220 | ||||
11221 | auto ParamSize = FirstFunction->param_size(); | |||
11222 | bool ParameterMismatch = false; | |||
11223 | for (unsigned I = 0; I < ParamSize; ++I) { | |||
11224 | auto *FirstParam = FirstFunction->getParamDecl(I); | |||
11225 | auto *SecondParam = SecondFunction->getParamDecl(I); | |||
11226 | ||||
11227 | assert(getContext().hasSameType(FirstParam->getType(),(static_cast <bool> (getContext().hasSameType(FirstParam ->getType(), SecondParam->getType()) && "Merged function has different parameter types." ) ? void (0) : __assert_fail ("getContext().hasSameType(FirstParam->getType(), SecondParam->getType()) && \"Merged function has different parameter types.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 11229, __extension__ __PRETTY_FUNCTION__)) | |||
11228 | SecondParam->getType()) &&(static_cast <bool> (getContext().hasSameType(FirstParam ->getType(), SecondParam->getType()) && "Merged function has different parameter types." ) ? void (0) : __assert_fail ("getContext().hasSameType(FirstParam->getType(), SecondParam->getType()) && \"Merged function has different parameter types.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 11229, __extension__ __PRETTY_FUNCTION__)) | |||
11229 | "Merged function has different parameter types.")(static_cast <bool> (getContext().hasSameType(FirstParam ->getType(), SecondParam->getType()) && "Merged function has different parameter types." ) ? void (0) : __assert_fail ("getContext().hasSameType(FirstParam->getType(), SecondParam->getType()) && \"Merged function has different parameter types.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 11229, __extension__ __PRETTY_FUNCTION__)); | |||
11230 | ||||
11231 | if (FirstParam->getDeclName() != SecondParam->getDeclName()) { | |||
11232 | ODRDiagError(FirstParam->getLocation(), FirstParam->getSourceRange(), | |||
11233 | ParameterName) | |||
11234 | << I + 1 << FirstParam->getDeclName(); | |||
11235 | ODRDiagNote(SecondParam->getLocation(), SecondParam->getSourceRange(), | |||
11236 | ParameterName) | |||
11237 | << I + 1 << SecondParam->getDeclName(); | |||
11238 | ParameterMismatch = true; | |||
11239 | break; | |||
11240 | }; | |||
11241 | ||||
11242 | QualType FirstParamType = FirstParam->getType(); | |||
11243 | QualType SecondParamType = SecondParam->getType(); | |||
11244 | if (FirstParamType != SecondParamType && | |||
11245 | ComputeQualTypeODRHash(FirstParamType) != | |||
11246 | ComputeQualTypeODRHash(SecondParamType)) { | |||
11247 | if (const DecayedType *ParamDecayedType = | |||
11248 | FirstParamType->getAs<DecayedType>()) { | |||
11249 | ODRDiagError(FirstParam->getLocation(), | |||
11250 | FirstParam->getSourceRange(), ParameterType) | |||
11251 | << (I + 1) << FirstParamType << true | |||
11252 | << ParamDecayedType->getOriginalType(); | |||
11253 | } else { | |||
11254 | ODRDiagError(FirstParam->getLocation(), | |||
11255 | FirstParam->getSourceRange(), ParameterType) | |||
11256 | << (I + 1) << FirstParamType << false; | |||
11257 | } | |||
11258 | ||||
11259 | if (const DecayedType *ParamDecayedType = | |||
11260 | SecondParamType->getAs<DecayedType>()) { | |||
11261 | ODRDiagNote(SecondParam->getLocation(), | |||
11262 | SecondParam->getSourceRange(), ParameterType) | |||
11263 | << (I + 1) << SecondParamType << true | |||
11264 | << ParamDecayedType->getOriginalType(); | |||
11265 | } else { | |||
11266 | ODRDiagNote(SecondParam->getLocation(), | |||
11267 | SecondParam->getSourceRange(), ParameterType) | |||
11268 | << (I + 1) << SecondParamType << false; | |||
11269 | } | |||
11270 | ParameterMismatch = true; | |||
11271 | break; | |||
11272 | } | |||
11273 | ||||
11274 | const Expr *FirstInit = FirstParam->getInit(); | |||
11275 | const Expr *SecondInit = SecondParam->getInit(); | |||
11276 | if ((FirstInit == nullptr) != (SecondInit == nullptr)) { | |||
11277 | ODRDiagError(FirstParam->getLocation(), FirstParam->getSourceRange(), | |||
11278 | ParameterSingleDefaultArgument) | |||
11279 | << (I + 1) << (FirstInit == nullptr) | |||
11280 | << (FirstInit ? FirstInit->getSourceRange() : SourceRange()); | |||
11281 | ODRDiagNote(SecondParam->getLocation(), SecondParam->getSourceRange(), | |||
11282 | ParameterSingleDefaultArgument) | |||
11283 | << (I + 1) << (SecondInit == nullptr) | |||
11284 | << (SecondInit ? SecondInit->getSourceRange() : SourceRange()); | |||
11285 | ParameterMismatch = true; | |||
11286 | break; | |||
11287 | } | |||
11288 | ||||
11289 | if (FirstInit && SecondInit && | |||
11290 | ComputeODRHash(FirstInit) != ComputeODRHash(SecondInit)) { | |||
11291 | ODRDiagError(FirstParam->getLocation(), FirstParam->getSourceRange(), | |||
11292 | ParameterDifferentDefaultArgument) | |||
11293 | << (I + 1) << FirstInit->getSourceRange(); | |||
11294 | ODRDiagNote(SecondParam->getLocation(), SecondParam->getSourceRange(), | |||
11295 | ParameterDifferentDefaultArgument) | |||
11296 | << (I + 1) << SecondInit->getSourceRange(); | |||
11297 | ParameterMismatch = true; | |||
11298 | break; | |||
11299 | } | |||
11300 | ||||
11301 | assert(ComputeSubDeclODRHash(FirstParam) ==(static_cast <bool> (ComputeSubDeclODRHash(FirstParam) == ComputeSubDeclODRHash(SecondParam) && "Undiagnosed parameter difference." ) ? void (0) : __assert_fail ("ComputeSubDeclODRHash(FirstParam) == ComputeSubDeclODRHash(SecondParam) && \"Undiagnosed parameter difference.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 11303, __extension__ __PRETTY_FUNCTION__)) | |||
11302 | ComputeSubDeclODRHash(SecondParam) &&(static_cast <bool> (ComputeSubDeclODRHash(FirstParam) == ComputeSubDeclODRHash(SecondParam) && "Undiagnosed parameter difference." ) ? void (0) : __assert_fail ("ComputeSubDeclODRHash(FirstParam) == ComputeSubDeclODRHash(SecondParam) && \"Undiagnosed parameter difference.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 11303, __extension__ __PRETTY_FUNCTION__)) | |||
11303 | "Undiagnosed parameter difference.")(static_cast <bool> (ComputeSubDeclODRHash(FirstParam) == ComputeSubDeclODRHash(SecondParam) && "Undiagnosed parameter difference." ) ? void (0) : __assert_fail ("ComputeSubDeclODRHash(FirstParam) == ComputeSubDeclODRHash(SecondParam) && \"Undiagnosed parameter difference.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 11303, __extension__ __PRETTY_FUNCTION__)); | |||
11304 | } | |||
11305 | ||||
11306 | if (ParameterMismatch) { | |||
11307 | Diagnosed = true; | |||
11308 | break; | |||
11309 | } | |||
11310 | ||||
11311 | // If no error has been generated before now, assume the problem is in | |||
11312 | // the body and generate a message. | |||
11313 | ODRDiagError(FirstFunction->getLocation(), | |||
11314 | FirstFunction->getSourceRange(), FunctionBody); | |||
11315 | ODRDiagNote(SecondFunction->getLocation(), | |||
11316 | SecondFunction->getSourceRange(), FunctionBody); | |||
11317 | Diagnosed = true; | |||
11318 | break; | |||
11319 | } | |||
11320 | (void)Diagnosed; | |||
11321 | assert(Diagnosed && "Unable to emit ODR diagnostic.")(static_cast <bool> (Diagnosed && "Unable to emit ODR diagnostic." ) ? void (0) : __assert_fail ("Diagnosed && \"Unable to emit ODR diagnostic.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 11321, __extension__ __PRETTY_FUNCTION__)); | |||
11322 | } | |||
11323 | ||||
11324 | // Issue ODR failures diagnostics for enums. | |||
11325 | for (auto &Merge : EnumOdrMergeFailures) { | |||
11326 | enum ODREnumDifference { | |||
11327 | SingleScopedEnum, | |||
11328 | EnumTagKeywordMismatch, | |||
11329 | SingleSpecifiedType, | |||
11330 | DifferentSpecifiedTypes, | |||
11331 | DifferentNumberEnumConstants, | |||
11332 | EnumConstantName, | |||
11333 | EnumConstantSingleInitilizer, | |||
11334 | EnumConstantDifferentInitilizer, | |||
11335 | }; | |||
11336 | ||||
11337 | // If we've already pointed out a specific problem with this enum, don't | |||
11338 | // bother issuing a general "something's different" diagnostic. | |||
11339 | if (!DiagnosedOdrMergeFailures.insert(Merge.first).second) | |||
11340 | continue; | |||
11341 | ||||
11342 | EnumDecl *FirstEnum = Merge.first; | |||
11343 | std::string FirstModule = getOwningModuleNameForDiagnostic(FirstEnum); | |||
11344 | ||||
11345 | using DeclHashes = | |||
11346 | llvm::SmallVector<std::pair<EnumConstantDecl *, unsigned>, 4>; | |||
11347 | auto PopulateHashes = [&ComputeSubDeclODRHash, FirstEnum]( | |||
11348 | DeclHashes &Hashes, EnumDecl *Enum) { | |||
11349 | for (auto *D : Enum->decls()) { | |||
11350 | // Due to decl merging, the first EnumDecl is the parent of | |||
11351 | // Decls in both records. | |||
11352 | if (!ODRHash::isWhitelistedDecl(D, FirstEnum)) | |||
11353 | continue; | |||
11354 | assert(isa<EnumConstantDecl>(D) && "Unexpected Decl kind")(static_cast <bool> (isa<EnumConstantDecl>(D) && "Unexpected Decl kind") ? void (0) : __assert_fail ("isa<EnumConstantDecl>(D) && \"Unexpected Decl kind\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 11354, __extension__ __PRETTY_FUNCTION__)); | |||
11355 | Hashes.emplace_back(cast<EnumConstantDecl>(D), | |||
11356 | ComputeSubDeclODRHash(D)); | |||
11357 | } | |||
11358 | }; | |||
11359 | DeclHashes FirstHashes; | |||
11360 | PopulateHashes(FirstHashes, FirstEnum); | |||
11361 | bool Diagnosed = false; | |||
11362 | for (auto &SecondEnum : Merge.second) { | |||
11363 | ||||
11364 | if (FirstEnum == SecondEnum) | |||
11365 | continue; | |||
11366 | ||||
11367 | std::string SecondModule = | |||
11368 | getOwningModuleNameForDiagnostic(SecondEnum); | |||
11369 | ||||
11370 | auto ODRDiagError = [FirstEnum, &FirstModule, | |||
11371 | this](SourceLocation Loc, SourceRange Range, | |||
11372 | ODREnumDifference DiffType) { | |||
11373 | return Diag(Loc, diag::err_module_odr_violation_enum) | |||
11374 | << FirstEnum << FirstModule.empty() << FirstModule << Range | |||
11375 | << DiffType; | |||
11376 | }; | |||
11377 | auto ODRDiagNote = [&SecondModule, this](SourceLocation Loc, | |||
11378 | SourceRange Range, | |||
11379 | ODREnumDifference DiffType) { | |||
11380 | return Diag(Loc, diag::note_module_odr_violation_enum) | |||
11381 | << SecondModule << Range << DiffType; | |||
11382 | }; | |||
11383 | ||||
11384 | if (FirstEnum->isScoped() != SecondEnum->isScoped()) { | |||
11385 | ODRDiagError(FirstEnum->getLocation(), FirstEnum->getSourceRange(), | |||
11386 | SingleScopedEnum) | |||
11387 | << FirstEnum->isScoped(); | |||
11388 | ODRDiagNote(SecondEnum->getLocation(), SecondEnum->getSourceRange(), | |||
11389 | SingleScopedEnum) | |||
11390 | << SecondEnum->isScoped(); | |||
11391 | Diagnosed = true; | |||
11392 | continue; | |||
11393 | } | |||
11394 | ||||
11395 | if (FirstEnum->isScoped() && SecondEnum->isScoped()) { | |||
11396 | if (FirstEnum->isScopedUsingClassTag() != | |||
11397 | SecondEnum->isScopedUsingClassTag()) { | |||
11398 | ODRDiagError(FirstEnum->getLocation(), FirstEnum->getSourceRange(), | |||
11399 | EnumTagKeywordMismatch) | |||
11400 | << FirstEnum->isScopedUsingClassTag(); | |||
11401 | ODRDiagNote(SecondEnum->getLocation(), SecondEnum->getSourceRange(), | |||
11402 | EnumTagKeywordMismatch) | |||
11403 | << SecondEnum->isScopedUsingClassTag(); | |||
11404 | Diagnosed = true; | |||
11405 | continue; | |||
11406 | } | |||
11407 | } | |||
11408 | ||||
11409 | QualType FirstUnderlyingType = | |||
11410 | FirstEnum->getIntegerTypeSourceInfo() | |||
11411 | ? FirstEnum->getIntegerTypeSourceInfo()->getType() | |||
11412 | : QualType(); | |||
11413 | QualType SecondUnderlyingType = | |||
11414 | SecondEnum->getIntegerTypeSourceInfo() | |||
11415 | ? SecondEnum->getIntegerTypeSourceInfo()->getType() | |||
11416 | : QualType(); | |||
11417 | if (FirstUnderlyingType.isNull() != SecondUnderlyingType.isNull()) { | |||
11418 | ODRDiagError(FirstEnum->getLocation(), FirstEnum->getSourceRange(), | |||
11419 | SingleSpecifiedType) | |||
11420 | << !FirstUnderlyingType.isNull(); | |||
11421 | ODRDiagNote(SecondEnum->getLocation(), SecondEnum->getSourceRange(), | |||
11422 | SingleSpecifiedType) | |||
11423 | << !SecondUnderlyingType.isNull(); | |||
11424 | Diagnosed = true; | |||
11425 | continue; | |||
11426 | } | |||
11427 | ||||
11428 | if (!FirstUnderlyingType.isNull() && !SecondUnderlyingType.isNull()) { | |||
11429 | if (ComputeQualTypeODRHash(FirstUnderlyingType) != | |||
11430 | ComputeQualTypeODRHash(SecondUnderlyingType)) { | |||
11431 | ODRDiagError(FirstEnum->getLocation(), FirstEnum->getSourceRange(), | |||
11432 | DifferentSpecifiedTypes) | |||
11433 | << FirstUnderlyingType; | |||
11434 | ODRDiagNote(SecondEnum->getLocation(), SecondEnum->getSourceRange(), | |||
11435 | DifferentSpecifiedTypes) | |||
11436 | << SecondUnderlyingType; | |||
11437 | Diagnosed = true; | |||
11438 | continue; | |||
11439 | } | |||
11440 | } | |||
11441 | ||||
11442 | DeclHashes SecondHashes; | |||
11443 | PopulateHashes(SecondHashes, SecondEnum); | |||
11444 | ||||
11445 | if (FirstHashes.size() != SecondHashes.size()) { | |||
11446 | ODRDiagError(FirstEnum->getLocation(), FirstEnum->getSourceRange(), | |||
11447 | DifferentNumberEnumConstants) | |||
11448 | << (int)FirstHashes.size(); | |||
11449 | ODRDiagNote(SecondEnum->getLocation(), SecondEnum->getSourceRange(), | |||
11450 | DifferentNumberEnumConstants) | |||
11451 | << (int)SecondHashes.size(); | |||
11452 | Diagnosed = true; | |||
11453 | continue; | |||
11454 | } | |||
11455 | ||||
11456 | for (unsigned I = 0; I < FirstHashes.size(); ++I) { | |||
11457 | if (FirstHashes[I].second == SecondHashes[I].second) | |||
11458 | continue; | |||
11459 | const EnumConstantDecl *FirstEnumConstant = FirstHashes[I].first; | |||
11460 | const EnumConstantDecl *SecondEnumConstant = SecondHashes[I].first; | |||
11461 | ||||
11462 | if (FirstEnumConstant->getDeclName() != | |||
11463 | SecondEnumConstant->getDeclName()) { | |||
11464 | ||||
11465 | ODRDiagError(FirstEnumConstant->getLocation(), | |||
11466 | FirstEnumConstant->getSourceRange(), EnumConstantName) | |||
11467 | << I + 1 << FirstEnumConstant; | |||
11468 | ODRDiagNote(SecondEnumConstant->getLocation(), | |||
11469 | SecondEnumConstant->getSourceRange(), EnumConstantName) | |||
11470 | << I + 1 << SecondEnumConstant; | |||
11471 | Diagnosed = true; | |||
11472 | break; | |||
11473 | } | |||
11474 | ||||
11475 | const Expr *FirstInit = FirstEnumConstant->getInitExpr(); | |||
11476 | const Expr *SecondInit = SecondEnumConstant->getInitExpr(); | |||
11477 | if (!FirstInit && !SecondInit) | |||
11478 | continue; | |||
11479 | ||||
11480 | if (!FirstInit || !SecondInit) { | |||
11481 | ODRDiagError(FirstEnumConstant->getLocation(), | |||
11482 | FirstEnumConstant->getSourceRange(), | |||
11483 | EnumConstantSingleInitilizer) | |||
11484 | << I + 1 << FirstEnumConstant << (FirstInit != nullptr); | |||
11485 | ODRDiagNote(SecondEnumConstant->getLocation(), | |||
11486 | SecondEnumConstant->getSourceRange(), | |||
11487 | EnumConstantSingleInitilizer) | |||
11488 | << I + 1 << SecondEnumConstant << (SecondInit != nullptr); | |||
11489 | Diagnosed = true; | |||
11490 | break; | |||
11491 | } | |||
11492 | ||||
11493 | if (ComputeODRHash(FirstInit) != ComputeODRHash(SecondInit)) { | |||
11494 | ODRDiagError(FirstEnumConstant->getLocation(), | |||
11495 | FirstEnumConstant->getSourceRange(), | |||
11496 | EnumConstantDifferentInitilizer) | |||
11497 | << I + 1 << FirstEnumConstant; | |||
11498 | ODRDiagNote(SecondEnumConstant->getLocation(), | |||
11499 | SecondEnumConstant->getSourceRange(), | |||
11500 | EnumConstantDifferentInitilizer) | |||
11501 | << I + 1 << SecondEnumConstant; | |||
11502 | Diagnosed = true; | |||
11503 | break; | |||
11504 | } | |||
11505 | } | |||
11506 | } | |||
11507 | ||||
11508 | (void)Diagnosed; | |||
11509 | assert(Diagnosed && "Unable to emit ODR diagnostic.")(static_cast <bool> (Diagnosed && "Unable to emit ODR diagnostic." ) ? void (0) : __assert_fail ("Diagnosed && \"Unable to emit ODR diagnostic.\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 11509, __extension__ __PRETTY_FUNCTION__)); | |||
11510 | } | |||
11511 | } | |||
11512 | ||||
11513 | void ASTReader::StartedDeserializing() { | |||
11514 | if (++NumCurrentElementsDeserializing == 1 && ReadTimer.get()) | |||
11515 | ReadTimer->startTimer(); | |||
11516 | } | |||
11517 | ||||
11518 | void ASTReader::FinishedDeserializing() { | |||
11519 | assert(NumCurrentElementsDeserializing &&(static_cast <bool> (NumCurrentElementsDeserializing && "FinishedDeserializing not paired with StartedDeserializing" ) ? void (0) : __assert_fail ("NumCurrentElementsDeserializing && \"FinishedDeserializing not paired with StartedDeserializing\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 11520, __extension__ __PRETTY_FUNCTION__)) | |||
11520 | "FinishedDeserializing not paired with StartedDeserializing")(static_cast <bool> (NumCurrentElementsDeserializing && "FinishedDeserializing not paired with StartedDeserializing" ) ? void (0) : __assert_fail ("NumCurrentElementsDeserializing && \"FinishedDeserializing not paired with StartedDeserializing\"" , "/build/llvm-toolchain-snapshot-7~svn338205/tools/clang/lib/Serialization/ASTReader.cpp" , 11520, __extension__ __PRETTY_FUNCTION__)); | |||
11521 | if (NumCurrentElementsDeserializing == 1) { | |||
11522 | // We decrease NumCurrentElementsDeserializing only after pending actions | |||
11523 | // are finished, to avoid recursively re-calling finishPendingActions(). | |||
11524 | finishPendingActions(); | |||
11525 | } | |||
11526 | --NumCurrentElementsDeserializing; | |||
11527 | ||||
11528 | if (NumCurrentElementsDeserializing == 0) { | |||
11529 | // Propagate exception specification updates along redeclaration chains. | |||
11530 | while (!PendingExceptionSpecUpdates.empty()) { | |||
11531 | auto Updates = std::move(PendingExceptionSpecUpdates); | |||
11532 | PendingExceptionSpecUpdates.clear(); | |||
11533 | for (auto Update : Updates) { | |||
11534 | ProcessingUpdatesRAIIObj ProcessingUpdates(*this); | |||
11535 | auto *FPT = Update.second->getType()->castAs<FunctionProtoType>(); | |||
11536 | auto ESI = FPT->getExtProtoInfo().ExceptionSpec; | |||
11537 | if (auto *Listener = getContext().getASTMutationListener()) | |||
11538 | Listener->ResolvedExceptionSpec(cast<FunctionDecl>(Update.second)); | |||
11539 | for (auto *Redecl : Update.second->redecls()) | |||
11540 | getContext().adjustExceptionSpec(cast<FunctionDecl>(Redecl), ESI); | |||
11541 | } | |||
11542 | } | |||
11543 | ||||
11544 | if (ReadTimer) | |||
11545 | ReadTimer->stopTimer(); | |||
11546 | ||||
11547 | diagnoseOdrViolations(); | |||
11548 | ||||
11549 | // We are not in recursive loading, so it's safe to pass the "interesting" | |||
11550 | // decls to the consumer. | |||
11551 | if (Consumer) | |||
11552 | PassInterestingDeclsToConsumer(); | |||
11553 | } | |||
11554 | } | |||
11555 | ||||
11556 | void ASTReader::pushExternalDeclIntoScope(NamedDecl *D, DeclarationName Name) { | |||
11557 | if (IdentifierInfo *II = Name.getAsIdentifierInfo()) { | |||
11558 | // Remove any fake results before adding any real ones. | |||
11559 | auto It = PendingFakeLookupResults.find(II); | |||
11560 | if (It != PendingFakeLookupResults.end()) { | |||
11561 | for (auto *ND : It->second) | |||
11562 | SemaObj->IdResolver.RemoveDecl(ND); | |||
11563 | // FIXME: this works around module+PCH performance issue. | |||
11564 | // Rather than erase the result from the map, which is O(n), just clear | |||
11565 | // the vector of NamedDecls. | |||
11566 | It->second.clear(); | |||
11567 | } | |||
11568 | } | |||
11569 | ||||
11570 | if (SemaObj->IdResolver.tryAddTopLevelDecl(D, Name) && SemaObj->TUScope) { | |||
11571 | SemaObj->TUScope->AddDecl(D); | |||
11572 | } else if (SemaObj->TUScope) { | |||
11573 | // Adding the decl to IdResolver may have failed because it was already in | |||
11574 | // (even though it was not added in scope). If it is already in, make sure | |||
11575 | // it gets in the scope as well. | |||
11576 | if (std::find(SemaObj->IdResolver.begin(Name), | |||
11577 | SemaObj->IdResolver.end(), D) != SemaObj->IdResolver.end()) | |||
11578 | SemaObj->TUScope->AddDecl(D); | |||
11579 | } | |||
11580 | } | |||
11581 | ||||
11582 | ASTReader::ASTReader(Preprocessor &PP, ASTContext *Context, | |||
11583 | const PCHContainerReader &PCHContainerRdr, | |||
11584 | ArrayRef<std::shared_ptr<ModuleFileExtension>> Extensions, | |||
11585 | StringRef isysroot, bool DisableValidation, | |||
11586 | bool AllowASTWithCompilerErrors, | |||
11587 | bool AllowConfigurationMismatch, bool ValidateSystemInputs, | |||
11588 | bool UseGlobalIndex, | |||
11589 | std::unique_ptr<llvm::Timer> ReadTimer) | |||
11590 | : Listener(DisableValidation | |||
11591 | ? cast<ASTReaderListener>(new SimpleASTReaderListener(PP)) | |||
11592 | : cast<ASTReaderListener>(new PCHValidator(PP, *this))), | |||
11593 | SourceMgr(PP.getSourceManager()), FileMgr(PP.getFileManager()), | |||
11594 | PCHContainerRdr(PCHContainerRdr), Diags(PP.getDiagnostics()), PP(PP), | |||
11595 | ContextObj(Context), | |||
11596 | ModuleMgr(PP.getFileManager(), PP.getPCMCache(), PCHContainerRdr, | |||
11597 | PP.getHeaderSearchInfo()), | |||
11598 | PCMCache(PP.getPCMCache()), DummyIdResolver(PP), | |||
11599 | ReadTimer(std::move(ReadTimer)), isysroot(isysroot), | |||
11600 | DisableValidation(DisableValidation), | |||
11601 | AllowASTWithCompilerErrors(AllowASTWithCompilerErrors), | |||
11602 | AllowConfigurationMismatch(AllowConfigurationMismatch), | |||
11603 | ValidateSystemInputs(ValidateSystemInputs), | |||
11604 | UseGlobalIndex(UseGlobalIndex), CurrSwitchCaseStmts(&SwitchCaseStmts) { | |||
11605 | SourceMgr.setExternalSLocEntrySource(this); | |||
11606 | ||||
11607 | for (const auto &Ext : Extensions) { | |||
11608 | auto BlockName = Ext->getExtensionMetadata().BlockName; | |||
11609 | auto Known = ModuleFileExtensions.find(BlockName); | |||
11610 | if (Known != ModuleFileExtensions.end()) { | |||
11611 | Diags.Report(diag::warn_duplicate_module_file_extension) | |||
11612 | << BlockName; | |||
11613 | continue; | |||
11614 | } | |||
11615 | ||||
11616 | ModuleFileExtensions.insert({BlockName, Ext}); | |||
11617 | } | |||
11618 | } | |||
11619 | ||||
11620 | ASTReader::~ASTReader() { | |||
11621 | if (OwnsDeserializationListener) | |||
11622 | delete DeserializationListener; | |||
11623 | } | |||
11624 | ||||
11625 | IdentifierResolver &ASTReader::getIdResolver() { | |||
11626 | return SemaObj ? SemaObj->IdResolver : DummyIdResolver; | |||
11627 | } | |||
11628 | ||||
11629 | unsigned ASTRecordReader::readRecord(llvm::BitstreamCursor &Cursor, | |||
11630 | unsigned AbbrevID) { | |||
11631 | Idx = 0; | |||
11632 | Record.clear(); | |||
11633 | return Cursor.readRecord(AbbrevID, Record); | |||
11634 | } |