| File: | clang/lib/AST/ASTContext.cpp |
| Warning: | line 2927, column 12 1st function call argument is an uninitialized value |
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| 1 | //===- ASTContext.cpp - Context to hold long-lived AST nodes --------------===// | |||
| 2 | // | |||
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |||
| 4 | // See https://llvm.org/LICENSE.txt for license information. | |||
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |||
| 6 | // | |||
| 7 | //===----------------------------------------------------------------------===// | |||
| 8 | // | |||
| 9 | // This file implements the ASTContext interface. | |||
| 10 | // | |||
| 11 | //===----------------------------------------------------------------------===// | |||
| 12 | ||||
| 13 | #include "clang/AST/ASTContext.h" | |||
| 14 | #include "CXXABI.h" | |||
| 15 | #include "Interp/Context.h" | |||
| 16 | #include "clang/AST/APValue.h" | |||
| 17 | #include "clang/AST/ASTConcept.h" | |||
| 18 | #include "clang/AST/ASTMutationListener.h" | |||
| 19 | #include "clang/AST/ASTTypeTraits.h" | |||
| 20 | #include "clang/AST/Attr.h" | |||
| 21 | #include "clang/AST/AttrIterator.h" | |||
| 22 | #include "clang/AST/CharUnits.h" | |||
| 23 | #include "clang/AST/Comment.h" | |||
| 24 | #include "clang/AST/Decl.h" | |||
| 25 | #include "clang/AST/DeclBase.h" | |||
| 26 | #include "clang/AST/DeclCXX.h" | |||
| 27 | #include "clang/AST/DeclContextInternals.h" | |||
| 28 | #include "clang/AST/DeclObjC.h" | |||
| 29 | #include "clang/AST/DeclOpenMP.h" | |||
| 30 | #include "clang/AST/DeclTemplate.h" | |||
| 31 | #include "clang/AST/DeclarationName.h" | |||
| 32 | #include "clang/AST/DependenceFlags.h" | |||
| 33 | #include "clang/AST/Expr.h" | |||
| 34 | #include "clang/AST/ExprCXX.h" | |||
| 35 | #include "clang/AST/ExprConcepts.h" | |||
| 36 | #include "clang/AST/ExternalASTSource.h" | |||
| 37 | #include "clang/AST/Mangle.h" | |||
| 38 | #include "clang/AST/MangleNumberingContext.h" | |||
| 39 | #include "clang/AST/NestedNameSpecifier.h" | |||
| 40 | #include "clang/AST/ParentMapContext.h" | |||
| 41 | #include "clang/AST/RawCommentList.h" | |||
| 42 | #include "clang/AST/RecordLayout.h" | |||
| 43 | #include "clang/AST/Stmt.h" | |||
| 44 | #include "clang/AST/TemplateBase.h" | |||
| 45 | #include "clang/AST/TemplateName.h" | |||
| 46 | #include "clang/AST/Type.h" | |||
| 47 | #include "clang/AST/TypeLoc.h" | |||
| 48 | #include "clang/AST/UnresolvedSet.h" | |||
| 49 | #include "clang/AST/VTableBuilder.h" | |||
| 50 | #include "clang/Basic/AddressSpaces.h" | |||
| 51 | #include "clang/Basic/Builtins.h" | |||
| 52 | #include "clang/Basic/CommentOptions.h" | |||
| 53 | #include "clang/Basic/ExceptionSpecificationType.h" | |||
| 54 | #include "clang/Basic/IdentifierTable.h" | |||
| 55 | #include "clang/Basic/LLVM.h" | |||
| 56 | #include "clang/Basic/LangOptions.h" | |||
| 57 | #include "clang/Basic/Linkage.h" | |||
| 58 | #include "clang/Basic/Module.h" | |||
| 59 | #include "clang/Basic/ObjCRuntime.h" | |||
| 60 | #include "clang/Basic/SanitizerBlacklist.h" | |||
| 61 | #include "clang/Basic/SourceLocation.h" | |||
| 62 | #include "clang/Basic/SourceManager.h" | |||
| 63 | #include "clang/Basic/Specifiers.h" | |||
| 64 | #include "clang/Basic/TargetCXXABI.h" | |||
| 65 | #include "clang/Basic/TargetInfo.h" | |||
| 66 | #include "clang/Basic/XRayLists.h" | |||
| 67 | #include "llvm/ADT/APFixedPoint.h" | |||
| 68 | #include "llvm/ADT/APInt.h" | |||
| 69 | #include "llvm/ADT/APSInt.h" | |||
| 70 | #include "llvm/ADT/ArrayRef.h" | |||
| 71 | #include "llvm/ADT/DenseMap.h" | |||
| 72 | #include "llvm/ADT/DenseSet.h" | |||
| 73 | #include "llvm/ADT/FoldingSet.h" | |||
| 74 | #include "llvm/ADT/None.h" | |||
| 75 | #include "llvm/ADT/Optional.h" | |||
| 76 | #include "llvm/ADT/PointerUnion.h" | |||
| 77 | #include "llvm/ADT/STLExtras.h" | |||
| 78 | #include "llvm/ADT/SmallPtrSet.h" | |||
| 79 | #include "llvm/ADT/SmallVector.h" | |||
| 80 | #include "llvm/ADT/StringExtras.h" | |||
| 81 | #include "llvm/ADT/StringRef.h" | |||
| 82 | #include "llvm/ADT/Triple.h" | |||
| 83 | #include "llvm/Support/Capacity.h" | |||
| 84 | #include "llvm/Support/Casting.h" | |||
| 85 | #include "llvm/Support/Compiler.h" | |||
| 86 | #include "llvm/Support/ErrorHandling.h" | |||
| 87 | #include "llvm/Support/MathExtras.h" | |||
| 88 | #include "llvm/Support/raw_ostream.h" | |||
| 89 | #include <algorithm> | |||
| 90 | #include <cassert> | |||
| 91 | #include <cstddef> | |||
| 92 | #include <cstdint> | |||
| 93 | #include <cstdlib> | |||
| 94 | #include <map> | |||
| 95 | #include <memory> | |||
| 96 | #include <string> | |||
| 97 | #include <tuple> | |||
| 98 | #include <utility> | |||
| 99 | ||||
| 100 | using namespace clang; | |||
| 101 | ||||
| 102 | enum FloatingRank { | |||
| 103 | BFloat16Rank, Float16Rank, HalfRank, FloatRank, DoubleRank, LongDoubleRank, Float128Rank | |||
| 104 | }; | |||
| 105 | ||||
| 106 | /// \returns location that is relevant when searching for Doc comments related | |||
| 107 | /// to \p D. | |||
| 108 | static SourceLocation getDeclLocForCommentSearch(const Decl *D, | |||
| 109 | SourceManager &SourceMgr) { | |||
| 110 | assert(D)((D) ? static_cast<void> (0) : __assert_fail ("D", "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 110, __PRETTY_FUNCTION__)); | |||
| 111 | ||||
| 112 | // User can not attach documentation to implicit declarations. | |||
| 113 | if (D->isImplicit()) | |||
| 114 | return {}; | |||
| 115 | ||||
| 116 | // User can not attach documentation to implicit instantiations. | |||
| 117 | if (const auto *FD = dyn_cast<FunctionDecl>(D)) { | |||
| 118 | if (FD->getTemplateSpecializationKind() == TSK_ImplicitInstantiation) | |||
| 119 | return {}; | |||
| 120 | } | |||
| 121 | ||||
| 122 | if (const auto *VD = dyn_cast<VarDecl>(D)) { | |||
| 123 | if (VD->isStaticDataMember() && | |||
| 124 | VD->getTemplateSpecializationKind() == TSK_ImplicitInstantiation) | |||
| 125 | return {}; | |||
| 126 | } | |||
| 127 | ||||
| 128 | if (const auto *CRD = dyn_cast<CXXRecordDecl>(D)) { | |||
| 129 | if (CRD->getTemplateSpecializationKind() == TSK_ImplicitInstantiation) | |||
| 130 | return {}; | |||
| 131 | } | |||
| 132 | ||||
| 133 | if (const auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(D)) { | |||
| 134 | TemplateSpecializationKind TSK = CTSD->getSpecializationKind(); | |||
| 135 | if (TSK == TSK_ImplicitInstantiation || | |||
| 136 | TSK == TSK_Undeclared) | |||
| 137 | return {}; | |||
| 138 | } | |||
| 139 | ||||
| 140 | if (const auto *ED = dyn_cast<EnumDecl>(D)) { | |||
| 141 | if (ED->getTemplateSpecializationKind() == TSK_ImplicitInstantiation) | |||
| 142 | return {}; | |||
| 143 | } | |||
| 144 | if (const auto *TD = dyn_cast<TagDecl>(D)) { | |||
| 145 | // When tag declaration (but not definition!) is part of the | |||
| 146 | // decl-specifier-seq of some other declaration, it doesn't get comment | |||
| 147 | if (TD->isEmbeddedInDeclarator() && !TD->isCompleteDefinition()) | |||
| 148 | return {}; | |||
| 149 | } | |||
| 150 | // TODO: handle comments for function parameters properly. | |||
| 151 | if (isa<ParmVarDecl>(D)) | |||
| 152 | return {}; | |||
| 153 | ||||
| 154 | // TODO: we could look up template parameter documentation in the template | |||
| 155 | // documentation. | |||
| 156 | if (isa<TemplateTypeParmDecl>(D) || | |||
| 157 | isa<NonTypeTemplateParmDecl>(D) || | |||
| 158 | isa<TemplateTemplateParmDecl>(D)) | |||
| 159 | return {}; | |||
| 160 | ||||
| 161 | // Find declaration location. | |||
| 162 | // For Objective-C declarations we generally don't expect to have multiple | |||
| 163 | // declarators, thus use declaration starting location as the "declaration | |||
| 164 | // location". | |||
| 165 | // For all other declarations multiple declarators are used quite frequently, | |||
| 166 | // so we use the location of the identifier as the "declaration location". | |||
| 167 | if (isa<ObjCMethodDecl>(D) || isa<ObjCContainerDecl>(D) || | |||
| 168 | isa<ObjCPropertyDecl>(D) || | |||
| 169 | isa<RedeclarableTemplateDecl>(D) || | |||
| 170 | isa<ClassTemplateSpecializationDecl>(D) || | |||
| 171 | // Allow association with Y across {} in `typedef struct X {} Y`. | |||
| 172 | isa<TypedefDecl>(D)) | |||
| 173 | return D->getBeginLoc(); | |||
| 174 | else { | |||
| 175 | const SourceLocation DeclLoc = D->getLocation(); | |||
| 176 | if (DeclLoc.isMacroID()) { | |||
| 177 | if (isa<TypedefDecl>(D)) { | |||
| 178 | // If location of the typedef name is in a macro, it is because being | |||
| 179 | // declared via a macro. Try using declaration's starting location as | |||
| 180 | // the "declaration location". | |||
| 181 | return D->getBeginLoc(); | |||
| 182 | } else if (const auto *TD = dyn_cast<TagDecl>(D)) { | |||
| 183 | // If location of the tag decl is inside a macro, but the spelling of | |||
| 184 | // the tag name comes from a macro argument, it looks like a special | |||
| 185 | // macro like NS_ENUM is being used to define the tag decl. In that | |||
| 186 | // case, adjust the source location to the expansion loc so that we can | |||
| 187 | // attach the comment to the tag decl. | |||
| 188 | if (SourceMgr.isMacroArgExpansion(DeclLoc) && | |||
| 189 | TD->isCompleteDefinition()) | |||
| 190 | return SourceMgr.getExpansionLoc(DeclLoc); | |||
| 191 | } | |||
| 192 | } | |||
| 193 | return DeclLoc; | |||
| 194 | } | |||
| 195 | ||||
| 196 | return {}; | |||
| 197 | } | |||
| 198 | ||||
| 199 | RawComment *ASTContext::getRawCommentForDeclNoCacheImpl( | |||
| 200 | const Decl *D, const SourceLocation RepresentativeLocForDecl, | |||
| 201 | const std::map<unsigned, RawComment *> &CommentsInTheFile) const { | |||
| 202 | // If the declaration doesn't map directly to a location in a file, we | |||
| 203 | // can't find the comment. | |||
| 204 | if (RepresentativeLocForDecl.isInvalid() || | |||
| 205 | !RepresentativeLocForDecl.isFileID()) | |||
| 206 | return nullptr; | |||
| 207 | ||||
| 208 | // If there are no comments anywhere, we won't find anything. | |||
| 209 | if (CommentsInTheFile.empty()) | |||
| 210 | return nullptr; | |||
| 211 | ||||
| 212 | // Decompose the location for the declaration and find the beginning of the | |||
| 213 | // file buffer. | |||
| 214 | const std::pair<FileID, unsigned> DeclLocDecomp = | |||
| 215 | SourceMgr.getDecomposedLoc(RepresentativeLocForDecl); | |||
| 216 | ||||
| 217 | // Slow path. | |||
| 218 | auto OffsetCommentBehindDecl = | |||
| 219 | CommentsInTheFile.lower_bound(DeclLocDecomp.second); | |||
| 220 | ||||
| 221 | // First check whether we have a trailing comment. | |||
| 222 | if (OffsetCommentBehindDecl != CommentsInTheFile.end()) { | |||
| 223 | RawComment *CommentBehindDecl = OffsetCommentBehindDecl->second; | |||
| 224 | if ((CommentBehindDecl->isDocumentation() || | |||
| 225 | LangOpts.CommentOpts.ParseAllComments) && | |||
| 226 | CommentBehindDecl->isTrailingComment() && | |||
| 227 | (isa<FieldDecl>(D) || isa<EnumConstantDecl>(D) || isa<VarDecl>(D) || | |||
| 228 | isa<ObjCMethodDecl>(D) || isa<ObjCPropertyDecl>(D))) { | |||
| 229 | ||||
| 230 | // Check that Doxygen trailing comment comes after the declaration, starts | |||
| 231 | // on the same line and in the same file as the declaration. | |||
| 232 | if (SourceMgr.getLineNumber(DeclLocDecomp.first, DeclLocDecomp.second) == | |||
| 233 | Comments.getCommentBeginLine(CommentBehindDecl, DeclLocDecomp.first, | |||
| 234 | OffsetCommentBehindDecl->first)) { | |||
| 235 | return CommentBehindDecl; | |||
| 236 | } | |||
| 237 | } | |||
| 238 | } | |||
| 239 | ||||
| 240 | // The comment just after the declaration was not a trailing comment. | |||
| 241 | // Let's look at the previous comment. | |||
| 242 | if (OffsetCommentBehindDecl == CommentsInTheFile.begin()) | |||
| 243 | return nullptr; | |||
| 244 | ||||
| 245 | auto OffsetCommentBeforeDecl = --OffsetCommentBehindDecl; | |||
| 246 | RawComment *CommentBeforeDecl = OffsetCommentBeforeDecl->second; | |||
| 247 | ||||
| 248 | // Check that we actually have a non-member Doxygen comment. | |||
| 249 | if (!(CommentBeforeDecl->isDocumentation() || | |||
| 250 | LangOpts.CommentOpts.ParseAllComments) || | |||
| 251 | CommentBeforeDecl->isTrailingComment()) | |||
| 252 | return nullptr; | |||
| 253 | ||||
| 254 | // Decompose the end of the comment. | |||
| 255 | const unsigned CommentEndOffset = | |||
| 256 | Comments.getCommentEndOffset(CommentBeforeDecl); | |||
| 257 | ||||
| 258 | // Get the corresponding buffer. | |||
| 259 | bool Invalid = false; | |||
| 260 | const char *Buffer = SourceMgr.getBufferData(DeclLocDecomp.first, | |||
| 261 | &Invalid).data(); | |||
| 262 | if (Invalid) | |||
| 263 | return nullptr; | |||
| 264 | ||||
| 265 | // Extract text between the comment and declaration. | |||
| 266 | StringRef Text(Buffer + CommentEndOffset, | |||
| 267 | DeclLocDecomp.second - CommentEndOffset); | |||
| 268 | ||||
| 269 | // There should be no other declarations or preprocessor directives between | |||
| 270 | // comment and declaration. | |||
| 271 | if (Text.find_first_of(";{}#@") != StringRef::npos) | |||
| 272 | return nullptr; | |||
| 273 | ||||
| 274 | return CommentBeforeDecl; | |||
| 275 | } | |||
| 276 | ||||
| 277 | RawComment *ASTContext::getRawCommentForDeclNoCache(const Decl *D) const { | |||
| 278 | const SourceLocation DeclLoc = getDeclLocForCommentSearch(D, SourceMgr); | |||
| 279 | ||||
| 280 | // If the declaration doesn't map directly to a location in a file, we | |||
| 281 | // can't find the comment. | |||
| 282 | if (DeclLoc.isInvalid() || !DeclLoc.isFileID()) | |||
| 283 | return nullptr; | |||
| 284 | ||||
| 285 | if (ExternalSource && !CommentsLoaded) { | |||
| 286 | ExternalSource->ReadComments(); | |||
| 287 | CommentsLoaded = true; | |||
| 288 | } | |||
| 289 | ||||
| 290 | if (Comments.empty()) | |||
| 291 | return nullptr; | |||
| 292 | ||||
| 293 | const FileID File = SourceMgr.getDecomposedLoc(DeclLoc).first; | |||
| 294 | const auto CommentsInThisFile = Comments.getCommentsInFile(File); | |||
| 295 | if (!CommentsInThisFile || CommentsInThisFile->empty()) | |||
| 296 | return nullptr; | |||
| 297 | ||||
| 298 | return getRawCommentForDeclNoCacheImpl(D, DeclLoc, *CommentsInThisFile); | |||
| 299 | } | |||
| 300 | ||||
| 301 | void ASTContext::addComment(const RawComment &RC) { | |||
| 302 | assert(LangOpts.RetainCommentsFromSystemHeaders ||((LangOpts.RetainCommentsFromSystemHeaders || !SourceMgr.isInSystemHeader (RC.getSourceRange().getBegin())) ? static_cast<void> ( 0) : __assert_fail ("LangOpts.RetainCommentsFromSystemHeaders || !SourceMgr.isInSystemHeader(RC.getSourceRange().getBegin())" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 303, __PRETTY_FUNCTION__)) | |||
| 303 | !SourceMgr.isInSystemHeader(RC.getSourceRange().getBegin()))((LangOpts.RetainCommentsFromSystemHeaders || !SourceMgr.isInSystemHeader (RC.getSourceRange().getBegin())) ? static_cast<void> ( 0) : __assert_fail ("LangOpts.RetainCommentsFromSystemHeaders || !SourceMgr.isInSystemHeader(RC.getSourceRange().getBegin())" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 303, __PRETTY_FUNCTION__)); | |||
| 304 | Comments.addComment(RC, LangOpts.CommentOpts, BumpAlloc); | |||
| 305 | } | |||
| 306 | ||||
| 307 | /// If we have a 'templated' declaration for a template, adjust 'D' to | |||
| 308 | /// refer to the actual template. | |||
| 309 | /// If we have an implicit instantiation, adjust 'D' to refer to template. | |||
| 310 | static const Decl &adjustDeclToTemplate(const Decl &D) { | |||
| 311 | if (const auto *FD = dyn_cast<FunctionDecl>(&D)) { | |||
| 312 | // Is this function declaration part of a function template? | |||
| 313 | if (const FunctionTemplateDecl *FTD = FD->getDescribedFunctionTemplate()) | |||
| 314 | return *FTD; | |||
| 315 | ||||
| 316 | // Nothing to do if function is not an implicit instantiation. | |||
| 317 | if (FD->getTemplateSpecializationKind() != TSK_ImplicitInstantiation) | |||
| 318 | return D; | |||
| 319 | ||||
| 320 | // Function is an implicit instantiation of a function template? | |||
| 321 | if (const FunctionTemplateDecl *FTD = FD->getPrimaryTemplate()) | |||
| 322 | return *FTD; | |||
| 323 | ||||
| 324 | // Function is instantiated from a member definition of a class template? | |||
| 325 | if (const FunctionDecl *MemberDecl = | |||
| 326 | FD->getInstantiatedFromMemberFunction()) | |||
| 327 | return *MemberDecl; | |||
| 328 | ||||
| 329 | return D; | |||
| 330 | } | |||
| 331 | if (const auto *VD = dyn_cast<VarDecl>(&D)) { | |||
| 332 | // Static data member is instantiated from a member definition of a class | |||
| 333 | // template? | |||
| 334 | if (VD->isStaticDataMember()) | |||
| 335 | if (const VarDecl *MemberDecl = VD->getInstantiatedFromStaticDataMember()) | |||
| 336 | return *MemberDecl; | |||
| 337 | ||||
| 338 | return D; | |||
| 339 | } | |||
| 340 | if (const auto *CRD = dyn_cast<CXXRecordDecl>(&D)) { | |||
| 341 | // Is this class declaration part of a class template? | |||
| 342 | if (const ClassTemplateDecl *CTD = CRD->getDescribedClassTemplate()) | |||
| 343 | return *CTD; | |||
| 344 | ||||
| 345 | // Class is an implicit instantiation of a class template or partial | |||
| 346 | // specialization? | |||
| 347 | if (const auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(CRD)) { | |||
| 348 | if (CTSD->getSpecializationKind() != TSK_ImplicitInstantiation) | |||
| 349 | return D; | |||
| 350 | llvm::PointerUnion<ClassTemplateDecl *, | |||
| 351 | ClassTemplatePartialSpecializationDecl *> | |||
| 352 | PU = CTSD->getSpecializedTemplateOrPartial(); | |||
| 353 | return PU.is<ClassTemplateDecl *>() | |||
| 354 | ? *static_cast<const Decl *>(PU.get<ClassTemplateDecl *>()) | |||
| 355 | : *static_cast<const Decl *>( | |||
| 356 | PU.get<ClassTemplatePartialSpecializationDecl *>()); | |||
| 357 | } | |||
| 358 | ||||
| 359 | // Class is instantiated from a member definition of a class template? | |||
| 360 | if (const MemberSpecializationInfo *Info = | |||
| 361 | CRD->getMemberSpecializationInfo()) | |||
| 362 | return *Info->getInstantiatedFrom(); | |||
| 363 | ||||
| 364 | return D; | |||
| 365 | } | |||
| 366 | if (const auto *ED = dyn_cast<EnumDecl>(&D)) { | |||
| 367 | // Enum is instantiated from a member definition of a class template? | |||
| 368 | if (const EnumDecl *MemberDecl = ED->getInstantiatedFromMemberEnum()) | |||
| 369 | return *MemberDecl; | |||
| 370 | ||||
| 371 | return D; | |||
| 372 | } | |||
| 373 | // FIXME: Adjust alias templates? | |||
| 374 | return D; | |||
| 375 | } | |||
| 376 | ||||
| 377 | const RawComment *ASTContext::getRawCommentForAnyRedecl( | |||
| 378 | const Decl *D, | |||
| 379 | const Decl **OriginalDecl) const { | |||
| 380 | if (!D) { | |||
| 381 | if (OriginalDecl) | |||
| 382 | OriginalDecl = nullptr; | |||
| 383 | return nullptr; | |||
| 384 | } | |||
| 385 | ||||
| 386 | D = &adjustDeclToTemplate(*D); | |||
| 387 | ||||
| 388 | // Any comment directly attached to D? | |||
| 389 | { | |||
| 390 | auto DeclComment = DeclRawComments.find(D); | |||
| 391 | if (DeclComment != DeclRawComments.end()) { | |||
| 392 | if (OriginalDecl) | |||
| 393 | *OriginalDecl = D; | |||
| 394 | return DeclComment->second; | |||
| 395 | } | |||
| 396 | } | |||
| 397 | ||||
| 398 | // Any comment attached to any redeclaration of D? | |||
| 399 | const Decl *CanonicalD = D->getCanonicalDecl(); | |||
| 400 | if (!CanonicalD) | |||
| 401 | return nullptr; | |||
| 402 | ||||
| 403 | { | |||
| 404 | auto RedeclComment = RedeclChainComments.find(CanonicalD); | |||
| 405 | if (RedeclComment != RedeclChainComments.end()) { | |||
| 406 | if (OriginalDecl) | |||
| 407 | *OriginalDecl = RedeclComment->second; | |||
| 408 | auto CommentAtRedecl = DeclRawComments.find(RedeclComment->second); | |||
| 409 | assert(CommentAtRedecl != DeclRawComments.end() &&((CommentAtRedecl != DeclRawComments.end() && "This decl is supposed to have comment attached." ) ? static_cast<void> (0) : __assert_fail ("CommentAtRedecl != DeclRawComments.end() && \"This decl is supposed to have comment attached.\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 410, __PRETTY_FUNCTION__)) | |||
| 410 | "This decl is supposed to have comment attached.")((CommentAtRedecl != DeclRawComments.end() && "This decl is supposed to have comment attached." ) ? static_cast<void> (0) : __assert_fail ("CommentAtRedecl != DeclRawComments.end() && \"This decl is supposed to have comment attached.\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 410, __PRETTY_FUNCTION__)); | |||
| 411 | return CommentAtRedecl->second; | |||
| 412 | } | |||
| 413 | } | |||
| 414 | ||||
| 415 | // Any redeclarations of D that we haven't checked for comments yet? | |||
| 416 | // We can't use DenseMap::iterator directly since it'd get invalid. | |||
| 417 | auto LastCheckedRedecl = [this, CanonicalD]() -> const Decl * { | |||
| 418 | auto LookupRes = CommentlessRedeclChains.find(CanonicalD); | |||
| 419 | if (LookupRes != CommentlessRedeclChains.end()) | |||
| 420 | return LookupRes->second; | |||
| 421 | return nullptr; | |||
| 422 | }(); | |||
| 423 | ||||
| 424 | for (const auto Redecl : D->redecls()) { | |||
| 425 | assert(Redecl)((Redecl) ? static_cast<void> (0) : __assert_fail ("Redecl" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 425, __PRETTY_FUNCTION__)); | |||
| 426 | // Skip all redeclarations that have been checked previously. | |||
| 427 | if (LastCheckedRedecl) { | |||
| 428 | if (LastCheckedRedecl == Redecl) { | |||
| 429 | LastCheckedRedecl = nullptr; | |||
| 430 | } | |||
| 431 | continue; | |||
| 432 | } | |||
| 433 | const RawComment *RedeclComment = getRawCommentForDeclNoCache(Redecl); | |||
| 434 | if (RedeclComment) { | |||
| 435 | cacheRawCommentForDecl(*Redecl, *RedeclComment); | |||
| 436 | if (OriginalDecl) | |||
| 437 | *OriginalDecl = Redecl; | |||
| 438 | return RedeclComment; | |||
| 439 | } | |||
| 440 | CommentlessRedeclChains[CanonicalD] = Redecl; | |||
| 441 | } | |||
| 442 | ||||
| 443 | if (OriginalDecl) | |||
| 444 | *OriginalDecl = nullptr; | |||
| 445 | return nullptr; | |||
| 446 | } | |||
| 447 | ||||
| 448 | void ASTContext::cacheRawCommentForDecl(const Decl &OriginalD, | |||
| 449 | const RawComment &Comment) const { | |||
| 450 | assert(Comment.isDocumentation() || LangOpts.CommentOpts.ParseAllComments)((Comment.isDocumentation() || LangOpts.CommentOpts.ParseAllComments ) ? static_cast<void> (0) : __assert_fail ("Comment.isDocumentation() || LangOpts.CommentOpts.ParseAllComments" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 450, __PRETTY_FUNCTION__)); | |||
| 451 | DeclRawComments.try_emplace(&OriginalD, &Comment); | |||
| 452 | const Decl *const CanonicalDecl = OriginalD.getCanonicalDecl(); | |||
| 453 | RedeclChainComments.try_emplace(CanonicalDecl, &OriginalD); | |||
| 454 | CommentlessRedeclChains.erase(CanonicalDecl); | |||
| 455 | } | |||
| 456 | ||||
| 457 | static void addRedeclaredMethods(const ObjCMethodDecl *ObjCMethod, | |||
| 458 | SmallVectorImpl<const NamedDecl *> &Redeclared) { | |||
| 459 | const DeclContext *DC = ObjCMethod->getDeclContext(); | |||
| 460 | if (const auto *IMD = dyn_cast<ObjCImplDecl>(DC)) { | |||
| 461 | const ObjCInterfaceDecl *ID = IMD->getClassInterface(); | |||
| 462 | if (!ID) | |||
| 463 | return; | |||
| 464 | // Add redeclared method here. | |||
| 465 | for (const auto *Ext : ID->known_extensions()) { | |||
| 466 | if (ObjCMethodDecl *RedeclaredMethod = | |||
| 467 | Ext->getMethod(ObjCMethod->getSelector(), | |||
| 468 | ObjCMethod->isInstanceMethod())) | |||
| 469 | Redeclared.push_back(RedeclaredMethod); | |||
| 470 | } | |||
| 471 | } | |||
| 472 | } | |||
| 473 | ||||
| 474 | void ASTContext::attachCommentsToJustParsedDecls(ArrayRef<Decl *> Decls, | |||
| 475 | const Preprocessor *PP) { | |||
| 476 | if (Comments.empty() || Decls.empty()) | |||
| 477 | return; | |||
| 478 | ||||
| 479 | FileID File; | |||
| 480 | for (Decl *D : Decls) { | |||
| 481 | SourceLocation Loc = D->getLocation(); | |||
| 482 | if (Loc.isValid()) { | |||
| 483 | // See if there are any new comments that are not attached to a decl. | |||
| 484 | // The location doesn't have to be precise - we care only about the file. | |||
| 485 | File = SourceMgr.getDecomposedLoc(Loc).first; | |||
| 486 | break; | |||
| 487 | } | |||
| 488 | } | |||
| 489 | ||||
| 490 | if (File.isInvalid()) | |||
| 491 | return; | |||
| 492 | ||||
| 493 | auto CommentsInThisFile = Comments.getCommentsInFile(File); | |||
| 494 | if (!CommentsInThisFile || CommentsInThisFile->empty() || | |||
| 495 | CommentsInThisFile->rbegin()->second->isAttached()) | |||
| 496 | return; | |||
| 497 | ||||
| 498 | // There is at least one comment not attached to a decl. | |||
| 499 | // Maybe it should be attached to one of Decls? | |||
| 500 | // | |||
| 501 | // Note that this way we pick up not only comments that precede the | |||
| 502 | // declaration, but also comments that *follow* the declaration -- thanks to | |||
| 503 | // the lookahead in the lexer: we've consumed the semicolon and looked | |||
| 504 | // ahead through comments. | |||
| 505 | ||||
| 506 | for (const Decl *D : Decls) { | |||
| 507 | assert(D)((D) ? static_cast<void> (0) : __assert_fail ("D", "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 507, __PRETTY_FUNCTION__)); | |||
| 508 | if (D->isInvalidDecl()) | |||
| 509 | continue; | |||
| 510 | ||||
| 511 | D = &adjustDeclToTemplate(*D); | |||
| 512 | ||||
| 513 | const SourceLocation DeclLoc = getDeclLocForCommentSearch(D, SourceMgr); | |||
| 514 | ||||
| 515 | if (DeclLoc.isInvalid() || !DeclLoc.isFileID()) | |||
| 516 | continue; | |||
| 517 | ||||
| 518 | if (DeclRawComments.count(D) > 0) | |||
| 519 | continue; | |||
| 520 | ||||
| 521 | if (RawComment *const DocComment = | |||
| 522 | getRawCommentForDeclNoCacheImpl(D, DeclLoc, *CommentsInThisFile)) { | |||
| 523 | cacheRawCommentForDecl(*D, *DocComment); | |||
| 524 | comments::FullComment *FC = DocComment->parse(*this, PP, D); | |||
| 525 | ParsedComments[D->getCanonicalDecl()] = FC; | |||
| 526 | } | |||
| 527 | } | |||
| 528 | } | |||
| 529 | ||||
| 530 | comments::FullComment *ASTContext::cloneFullComment(comments::FullComment *FC, | |||
| 531 | const Decl *D) const { | |||
| 532 | auto *ThisDeclInfo = new (*this) comments::DeclInfo; | |||
| 533 | ThisDeclInfo->CommentDecl = D; | |||
| 534 | ThisDeclInfo->IsFilled = false; | |||
| 535 | ThisDeclInfo->fill(); | |||
| 536 | ThisDeclInfo->CommentDecl = FC->getDecl(); | |||
| 537 | if (!ThisDeclInfo->TemplateParameters) | |||
| 538 | ThisDeclInfo->TemplateParameters = FC->getDeclInfo()->TemplateParameters; | |||
| 539 | comments::FullComment *CFC = | |||
| 540 | new (*this) comments::FullComment(FC->getBlocks(), | |||
| 541 | ThisDeclInfo); | |||
| 542 | return CFC; | |||
| 543 | } | |||
| 544 | ||||
| 545 | comments::FullComment *ASTContext::getLocalCommentForDeclUncached(const Decl *D) const { | |||
| 546 | const RawComment *RC = getRawCommentForDeclNoCache(D); | |||
| 547 | return RC ? RC->parse(*this, nullptr, D) : nullptr; | |||
| 548 | } | |||
| 549 | ||||
| 550 | comments::FullComment *ASTContext::getCommentForDecl( | |||
| 551 | const Decl *D, | |||
| 552 | const Preprocessor *PP) const { | |||
| 553 | if (!D || D->isInvalidDecl()) | |||
| 554 | return nullptr; | |||
| 555 | D = &adjustDeclToTemplate(*D); | |||
| 556 | ||||
| 557 | const Decl *Canonical = D->getCanonicalDecl(); | |||
| 558 | llvm::DenseMap<const Decl *, comments::FullComment *>::iterator Pos = | |||
| 559 | ParsedComments.find(Canonical); | |||
| 560 | ||||
| 561 | if (Pos != ParsedComments.end()) { | |||
| 562 | if (Canonical != D) { | |||
| 563 | comments::FullComment *FC = Pos->second; | |||
| 564 | comments::FullComment *CFC = cloneFullComment(FC, D); | |||
| 565 | return CFC; | |||
| 566 | } | |||
| 567 | return Pos->second; | |||
| 568 | } | |||
| 569 | ||||
| 570 | const Decl *OriginalDecl = nullptr; | |||
| 571 | ||||
| 572 | const RawComment *RC = getRawCommentForAnyRedecl(D, &OriginalDecl); | |||
| 573 | if (!RC) { | |||
| 574 | if (isa<ObjCMethodDecl>(D) || isa<FunctionDecl>(D)) { | |||
| 575 | SmallVector<const NamedDecl*, 8> Overridden; | |||
| 576 | const auto *OMD = dyn_cast<ObjCMethodDecl>(D); | |||
| 577 | if (OMD && OMD->isPropertyAccessor()) | |||
| 578 | if (const ObjCPropertyDecl *PDecl = OMD->findPropertyDecl()) | |||
| 579 | if (comments::FullComment *FC = getCommentForDecl(PDecl, PP)) | |||
| 580 | return cloneFullComment(FC, D); | |||
| 581 | if (OMD) | |||
| 582 | addRedeclaredMethods(OMD, Overridden); | |||
| 583 | getOverriddenMethods(dyn_cast<NamedDecl>(D), Overridden); | |||
| 584 | for (unsigned i = 0, e = Overridden.size(); i < e; i++) | |||
| 585 | if (comments::FullComment *FC = getCommentForDecl(Overridden[i], PP)) | |||
| 586 | return cloneFullComment(FC, D); | |||
| 587 | } | |||
| 588 | else if (const auto *TD = dyn_cast<TypedefNameDecl>(D)) { | |||
| 589 | // Attach any tag type's documentation to its typedef if latter | |||
| 590 | // does not have one of its own. | |||
| 591 | QualType QT = TD->getUnderlyingType(); | |||
| 592 | if (const auto *TT = QT->getAs<TagType>()) | |||
| 593 | if (const Decl *TD = TT->getDecl()) | |||
| 594 | if (comments::FullComment *FC = getCommentForDecl(TD, PP)) | |||
| 595 | return cloneFullComment(FC, D); | |||
| 596 | } | |||
| 597 | else if (const auto *IC = dyn_cast<ObjCInterfaceDecl>(D)) { | |||
| 598 | while (IC->getSuperClass()) { | |||
| 599 | IC = IC->getSuperClass(); | |||
| 600 | if (comments::FullComment *FC = getCommentForDecl(IC, PP)) | |||
| 601 | return cloneFullComment(FC, D); | |||
| 602 | } | |||
| 603 | } | |||
| 604 | else if (const auto *CD = dyn_cast<ObjCCategoryDecl>(D)) { | |||
| 605 | if (const ObjCInterfaceDecl *IC = CD->getClassInterface()) | |||
| 606 | if (comments::FullComment *FC = getCommentForDecl(IC, PP)) | |||
| 607 | return cloneFullComment(FC, D); | |||
| 608 | } | |||
| 609 | else if (const auto *RD = dyn_cast<CXXRecordDecl>(D)) { | |||
| 610 | if (!(RD = RD->getDefinition())) | |||
| 611 | return nullptr; | |||
| 612 | // Check non-virtual bases. | |||
| 613 | for (const auto &I : RD->bases()) { | |||
| 614 | if (I.isVirtual() || (I.getAccessSpecifier() != AS_public)) | |||
| 615 | continue; | |||
| 616 | QualType Ty = I.getType(); | |||
| 617 | if (Ty.isNull()) | |||
| 618 | continue; | |||
| 619 | if (const CXXRecordDecl *NonVirtualBase = Ty->getAsCXXRecordDecl()) { | |||
| 620 | if (!(NonVirtualBase= NonVirtualBase->getDefinition())) | |||
| 621 | continue; | |||
| 622 | ||||
| 623 | if (comments::FullComment *FC = getCommentForDecl((NonVirtualBase), PP)) | |||
| 624 | return cloneFullComment(FC, D); | |||
| 625 | } | |||
| 626 | } | |||
| 627 | // Check virtual bases. | |||
| 628 | for (const auto &I : RD->vbases()) { | |||
| 629 | if (I.getAccessSpecifier() != AS_public) | |||
| 630 | continue; | |||
| 631 | QualType Ty = I.getType(); | |||
| 632 | if (Ty.isNull()) | |||
| 633 | continue; | |||
| 634 | if (const CXXRecordDecl *VirtualBase = Ty->getAsCXXRecordDecl()) { | |||
| 635 | if (!(VirtualBase= VirtualBase->getDefinition())) | |||
| 636 | continue; | |||
| 637 | if (comments::FullComment *FC = getCommentForDecl((VirtualBase), PP)) | |||
| 638 | return cloneFullComment(FC, D); | |||
| 639 | } | |||
| 640 | } | |||
| 641 | } | |||
| 642 | return nullptr; | |||
| 643 | } | |||
| 644 | ||||
| 645 | // If the RawComment was attached to other redeclaration of this Decl, we | |||
| 646 | // should parse the comment in context of that other Decl. This is important | |||
| 647 | // because comments can contain references to parameter names which can be | |||
| 648 | // different across redeclarations. | |||
| 649 | if (D != OriginalDecl && OriginalDecl) | |||
| 650 | return getCommentForDecl(OriginalDecl, PP); | |||
| 651 | ||||
| 652 | comments::FullComment *FC = RC->parse(*this, PP, D); | |||
| 653 | ParsedComments[Canonical] = FC; | |||
| 654 | return FC; | |||
| 655 | } | |||
| 656 | ||||
| 657 | void | |||
| 658 | ASTContext::CanonicalTemplateTemplateParm::Profile(llvm::FoldingSetNodeID &ID, | |||
| 659 | const ASTContext &C, | |||
| 660 | TemplateTemplateParmDecl *Parm) { | |||
| 661 | ID.AddInteger(Parm->getDepth()); | |||
| 662 | ID.AddInteger(Parm->getPosition()); | |||
| 663 | ID.AddBoolean(Parm->isParameterPack()); | |||
| 664 | ||||
| 665 | TemplateParameterList *Params = Parm->getTemplateParameters(); | |||
| 666 | ID.AddInteger(Params->size()); | |||
| 667 | for (TemplateParameterList::const_iterator P = Params->begin(), | |||
| 668 | PEnd = Params->end(); | |||
| 669 | P != PEnd; ++P) { | |||
| 670 | if (const auto *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) { | |||
| 671 | ID.AddInteger(0); | |||
| 672 | ID.AddBoolean(TTP->isParameterPack()); | |||
| 673 | const TypeConstraint *TC = TTP->getTypeConstraint(); | |||
| 674 | ID.AddBoolean(TC != nullptr); | |||
| 675 | if (TC) | |||
| 676 | TC->getImmediatelyDeclaredConstraint()->Profile(ID, C, | |||
| 677 | /*Canonical=*/true); | |||
| 678 | if (TTP->isExpandedParameterPack()) { | |||
| 679 | ID.AddBoolean(true); | |||
| 680 | ID.AddInteger(TTP->getNumExpansionParameters()); | |||
| 681 | } else | |||
| 682 | ID.AddBoolean(false); | |||
| 683 | continue; | |||
| 684 | } | |||
| 685 | ||||
| 686 | if (const auto *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) { | |||
| 687 | ID.AddInteger(1); | |||
| 688 | ID.AddBoolean(NTTP->isParameterPack()); | |||
| 689 | ID.AddPointer(NTTP->getType().getCanonicalType().getAsOpaquePtr()); | |||
| 690 | if (NTTP->isExpandedParameterPack()) { | |||
| 691 | ID.AddBoolean(true); | |||
| 692 | ID.AddInteger(NTTP->getNumExpansionTypes()); | |||
| 693 | for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) { | |||
| 694 | QualType T = NTTP->getExpansionType(I); | |||
| 695 | ID.AddPointer(T.getCanonicalType().getAsOpaquePtr()); | |||
| 696 | } | |||
| 697 | } else | |||
| 698 | ID.AddBoolean(false); | |||
| 699 | continue; | |||
| 700 | } | |||
| 701 | ||||
| 702 | auto *TTP = cast<TemplateTemplateParmDecl>(*P); | |||
| 703 | ID.AddInteger(2); | |||
| 704 | Profile(ID, C, TTP); | |||
| 705 | } | |||
| 706 | Expr *RequiresClause = Parm->getTemplateParameters()->getRequiresClause(); | |||
| 707 | ID.AddBoolean(RequiresClause != nullptr); | |||
| 708 | if (RequiresClause) | |||
| 709 | RequiresClause->Profile(ID, C, /*Canonical=*/true); | |||
| 710 | } | |||
| 711 | ||||
| 712 | static Expr * | |||
| 713 | canonicalizeImmediatelyDeclaredConstraint(const ASTContext &C, Expr *IDC, | |||
| 714 | QualType ConstrainedType) { | |||
| 715 | // This is a bit ugly - we need to form a new immediately-declared | |||
| 716 | // constraint that references the new parameter; this would ideally | |||
| 717 | // require semantic analysis (e.g. template<C T> struct S {}; - the | |||
| 718 | // converted arguments of C<T> could be an argument pack if C is | |||
| 719 | // declared as template<typename... T> concept C = ...). | |||
| 720 | // We don't have semantic analysis here so we dig deep into the | |||
| 721 | // ready-made constraint expr and change the thing manually. | |||
| 722 | ConceptSpecializationExpr *CSE; | |||
| 723 | if (const auto *Fold = dyn_cast<CXXFoldExpr>(IDC)) | |||
| 724 | CSE = cast<ConceptSpecializationExpr>(Fold->getLHS()); | |||
| 725 | else | |||
| 726 | CSE = cast<ConceptSpecializationExpr>(IDC); | |||
| 727 | ArrayRef<TemplateArgument> OldConverted = CSE->getTemplateArguments(); | |||
| 728 | SmallVector<TemplateArgument, 3> NewConverted; | |||
| 729 | NewConverted.reserve(OldConverted.size()); | |||
| 730 | if (OldConverted.front().getKind() == TemplateArgument::Pack) { | |||
| 731 | // The case: | |||
| 732 | // template<typename... T> concept C = true; | |||
| 733 | // template<C<int> T> struct S; -> constraint is C<{T, int}> | |||
| 734 | NewConverted.push_back(ConstrainedType); | |||
| 735 | for (auto &Arg : OldConverted.front().pack_elements().drop_front(1)) | |||
| 736 | NewConverted.push_back(Arg); | |||
| 737 | TemplateArgument NewPack(NewConverted); | |||
| 738 | ||||
| 739 | NewConverted.clear(); | |||
| 740 | NewConverted.push_back(NewPack); | |||
| 741 | assert(OldConverted.size() == 1 &&((OldConverted.size() == 1 && "Template parameter pack should be the last parameter" ) ? static_cast<void> (0) : __assert_fail ("OldConverted.size() == 1 && \"Template parameter pack should be the last parameter\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 742, __PRETTY_FUNCTION__)) | |||
| 742 | "Template parameter pack should be the last parameter")((OldConverted.size() == 1 && "Template parameter pack should be the last parameter" ) ? static_cast<void> (0) : __assert_fail ("OldConverted.size() == 1 && \"Template parameter pack should be the last parameter\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 742, __PRETTY_FUNCTION__)); | |||
| 743 | } else { | |||
| 744 | assert(OldConverted.front().getKind() == TemplateArgument::Type &&((OldConverted.front().getKind() == TemplateArgument::Type && "Unexpected first argument kind for immediately-declared " "constraint" ) ? static_cast<void> (0) : __assert_fail ("OldConverted.front().getKind() == TemplateArgument::Type && \"Unexpected first argument kind for immediately-declared \" \"constraint\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 746, __PRETTY_FUNCTION__)) | |||
| 745 | "Unexpected first argument kind for immediately-declared "((OldConverted.front().getKind() == TemplateArgument::Type && "Unexpected first argument kind for immediately-declared " "constraint" ) ? static_cast<void> (0) : __assert_fail ("OldConverted.front().getKind() == TemplateArgument::Type && \"Unexpected first argument kind for immediately-declared \" \"constraint\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 746, __PRETTY_FUNCTION__)) | |||
| 746 | "constraint")((OldConverted.front().getKind() == TemplateArgument::Type && "Unexpected first argument kind for immediately-declared " "constraint" ) ? static_cast<void> (0) : __assert_fail ("OldConverted.front().getKind() == TemplateArgument::Type && \"Unexpected first argument kind for immediately-declared \" \"constraint\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 746, __PRETTY_FUNCTION__)); | |||
| 747 | NewConverted.push_back(ConstrainedType); | |||
| 748 | for (auto &Arg : OldConverted.drop_front(1)) | |||
| 749 | NewConverted.push_back(Arg); | |||
| 750 | } | |||
| 751 | Expr *NewIDC = ConceptSpecializationExpr::Create( | |||
| 752 | C, CSE->getNamedConcept(), NewConverted, nullptr, | |||
| 753 | CSE->isInstantiationDependent(), CSE->containsUnexpandedParameterPack()); | |||
| 754 | ||||
| 755 | if (auto *OrigFold = dyn_cast<CXXFoldExpr>(IDC)) | |||
| 756 | NewIDC = new (C) CXXFoldExpr( | |||
| 757 | OrigFold->getType(), /*Callee*/nullptr, SourceLocation(), NewIDC, | |||
| 758 | BinaryOperatorKind::BO_LAnd, SourceLocation(), /*RHS=*/nullptr, | |||
| 759 | SourceLocation(), /*NumExpansions=*/None); | |||
| 760 | return NewIDC; | |||
| 761 | } | |||
| 762 | ||||
| 763 | TemplateTemplateParmDecl * | |||
| 764 | ASTContext::getCanonicalTemplateTemplateParmDecl( | |||
| 765 | TemplateTemplateParmDecl *TTP) const { | |||
| 766 | // Check if we already have a canonical template template parameter. | |||
| 767 | llvm::FoldingSetNodeID ID; | |||
| 768 | CanonicalTemplateTemplateParm::Profile(ID, *this, TTP); | |||
| 769 | void *InsertPos = nullptr; | |||
| 770 | CanonicalTemplateTemplateParm *Canonical | |||
| 771 | = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); | |||
| 772 | if (Canonical) | |||
| 773 | return Canonical->getParam(); | |||
| 774 | ||||
| 775 | // Build a canonical template parameter list. | |||
| 776 | TemplateParameterList *Params = TTP->getTemplateParameters(); | |||
| 777 | SmallVector<NamedDecl *, 4> CanonParams; | |||
| 778 | CanonParams.reserve(Params->size()); | |||
| 779 | for (TemplateParameterList::const_iterator P = Params->begin(), | |||
| 780 | PEnd = Params->end(); | |||
| 781 | P != PEnd; ++P) { | |||
| 782 | if (const auto *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) { | |||
| 783 | TemplateTypeParmDecl *NewTTP = TemplateTypeParmDecl::Create(*this, | |||
| 784 | getTranslationUnitDecl(), SourceLocation(), SourceLocation(), | |||
| 785 | TTP->getDepth(), TTP->getIndex(), nullptr, false, | |||
| 786 | TTP->isParameterPack(), TTP->hasTypeConstraint(), | |||
| 787 | TTP->isExpandedParameterPack() ? | |||
| 788 | llvm::Optional<unsigned>(TTP->getNumExpansionParameters()) : None); | |||
| 789 | if (const auto *TC = TTP->getTypeConstraint()) { | |||
| 790 | QualType ParamAsArgument(NewTTP->getTypeForDecl(), 0); | |||
| 791 | Expr *NewIDC = canonicalizeImmediatelyDeclaredConstraint( | |||
| 792 | *this, TC->getImmediatelyDeclaredConstraint(), | |||
| 793 | ParamAsArgument); | |||
| 794 | TemplateArgumentListInfo CanonArgsAsWritten; | |||
| 795 | if (auto *Args = TC->getTemplateArgsAsWritten()) | |||
| 796 | for (const auto &ArgLoc : Args->arguments()) | |||
| 797 | CanonArgsAsWritten.addArgument( | |||
| 798 | TemplateArgumentLoc(ArgLoc.getArgument(), | |||
| 799 | TemplateArgumentLocInfo())); | |||
| 800 | NewTTP->setTypeConstraint( | |||
| 801 | NestedNameSpecifierLoc(), | |||
| 802 | DeclarationNameInfo(TC->getNamedConcept()->getDeclName(), | |||
| 803 | SourceLocation()), /*FoundDecl=*/nullptr, | |||
| 804 | // Actually canonicalizing a TemplateArgumentLoc is difficult so we | |||
| 805 | // simply omit the ArgsAsWritten | |||
| 806 | TC->getNamedConcept(), /*ArgsAsWritten=*/nullptr, NewIDC); | |||
| 807 | } | |||
| 808 | CanonParams.push_back(NewTTP); | |||
| 809 | } else if (const auto *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) { | |||
| 810 | QualType T = getCanonicalType(NTTP->getType()); | |||
| 811 | TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(T); | |||
| 812 | NonTypeTemplateParmDecl *Param; | |||
| 813 | if (NTTP->isExpandedParameterPack()) { | |||
| 814 | SmallVector<QualType, 2> ExpandedTypes; | |||
| 815 | SmallVector<TypeSourceInfo *, 2> ExpandedTInfos; | |||
| 816 | for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) { | |||
| 817 | ExpandedTypes.push_back(getCanonicalType(NTTP->getExpansionType(I))); | |||
| 818 | ExpandedTInfos.push_back( | |||
| 819 | getTrivialTypeSourceInfo(ExpandedTypes.back())); | |||
| 820 | } | |||
| 821 | ||||
| 822 | Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), | |||
| 823 | SourceLocation(), | |||
| 824 | SourceLocation(), | |||
| 825 | NTTP->getDepth(), | |||
| 826 | NTTP->getPosition(), nullptr, | |||
| 827 | T, | |||
| 828 | TInfo, | |||
| 829 | ExpandedTypes, | |||
| 830 | ExpandedTInfos); | |||
| 831 | } else { | |||
| 832 | Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), | |||
| 833 | SourceLocation(), | |||
| 834 | SourceLocation(), | |||
| 835 | NTTP->getDepth(), | |||
| 836 | NTTP->getPosition(), nullptr, | |||
| 837 | T, | |||
| 838 | NTTP->isParameterPack(), | |||
| 839 | TInfo); | |||
| 840 | } | |||
| 841 | if (AutoType *AT = T->getContainedAutoType()) { | |||
| 842 | if (AT->isConstrained()) { | |||
| 843 | Param->setPlaceholderTypeConstraint( | |||
| 844 | canonicalizeImmediatelyDeclaredConstraint( | |||
| 845 | *this, NTTP->getPlaceholderTypeConstraint(), T)); | |||
| 846 | } | |||
| 847 | } | |||
| 848 | CanonParams.push_back(Param); | |||
| 849 | ||||
| 850 | } else | |||
| 851 | CanonParams.push_back(getCanonicalTemplateTemplateParmDecl( | |||
| 852 | cast<TemplateTemplateParmDecl>(*P))); | |||
| 853 | } | |||
| 854 | ||||
| 855 | Expr *CanonRequiresClause = nullptr; | |||
| 856 | if (Expr *RequiresClause = TTP->getTemplateParameters()->getRequiresClause()) | |||
| 857 | CanonRequiresClause = RequiresClause; | |||
| 858 | ||||
| 859 | TemplateTemplateParmDecl *CanonTTP | |||
| 860 | = TemplateTemplateParmDecl::Create(*this, getTranslationUnitDecl(), | |||
| 861 | SourceLocation(), TTP->getDepth(), | |||
| 862 | TTP->getPosition(), | |||
| 863 | TTP->isParameterPack(), | |||
| 864 | nullptr, | |||
| 865 | TemplateParameterList::Create(*this, SourceLocation(), | |||
| 866 | SourceLocation(), | |||
| 867 | CanonParams, | |||
| 868 | SourceLocation(), | |||
| 869 | CanonRequiresClause)); | |||
| 870 | ||||
| 871 | // Get the new insert position for the node we care about. | |||
| 872 | Canonical = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); | |||
| 873 | assert(!Canonical && "Shouldn't be in the map!")((!Canonical && "Shouldn't be in the map!") ? static_cast <void> (0) : __assert_fail ("!Canonical && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 873, __PRETTY_FUNCTION__)); | |||
| 874 | (void)Canonical; | |||
| 875 | ||||
| 876 | // Create the canonical template template parameter entry. | |||
| 877 | Canonical = new (*this) CanonicalTemplateTemplateParm(CanonTTP); | |||
| 878 | CanonTemplateTemplateParms.InsertNode(Canonical, InsertPos); | |||
| 879 | return CanonTTP; | |||
| 880 | } | |||
| 881 | ||||
| 882 | CXXABI *ASTContext::createCXXABI(const TargetInfo &T) { | |||
| 883 | if (!LangOpts.CPlusPlus) return nullptr; | |||
| 884 | ||||
| 885 | switch (T.getCXXABI().getKind()) { | |||
| 886 | case TargetCXXABI::Fuchsia: | |||
| 887 | case TargetCXXABI::GenericARM: // Same as Itanium at this level | |||
| 888 | case TargetCXXABI::iOS: | |||
| 889 | case TargetCXXABI::iOS64: | |||
| 890 | case TargetCXXABI::WatchOS: | |||
| 891 | case TargetCXXABI::GenericAArch64: | |||
| 892 | case TargetCXXABI::GenericMIPS: | |||
| 893 | case TargetCXXABI::GenericItanium: | |||
| 894 | case TargetCXXABI::WebAssembly: | |||
| 895 | case TargetCXXABI::XL: | |||
| 896 | return CreateItaniumCXXABI(*this); | |||
| 897 | case TargetCXXABI::Microsoft: | |||
| 898 | return CreateMicrosoftCXXABI(*this); | |||
| 899 | } | |||
| 900 | llvm_unreachable("Invalid CXXABI type!")::llvm::llvm_unreachable_internal("Invalid CXXABI type!", "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 900); | |||
| 901 | } | |||
| 902 | ||||
| 903 | interp::Context &ASTContext::getInterpContext() { | |||
| 904 | if (!InterpContext) { | |||
| 905 | InterpContext.reset(new interp::Context(*this)); | |||
| 906 | } | |||
| 907 | return *InterpContext.get(); | |||
| 908 | } | |||
| 909 | ||||
| 910 | ParentMapContext &ASTContext::getParentMapContext() { | |||
| 911 | if (!ParentMapCtx) | |||
| 912 | ParentMapCtx.reset(new ParentMapContext(*this)); | |||
| 913 | return *ParentMapCtx.get(); | |||
| 914 | } | |||
| 915 | ||||
| 916 | static const LangASMap *getAddressSpaceMap(const TargetInfo &T, | |||
| 917 | const LangOptions &LOpts) { | |||
| 918 | if (LOpts.FakeAddressSpaceMap) { | |||
| 919 | // The fake address space map must have a distinct entry for each | |||
| 920 | // language-specific address space. | |||
| 921 | static const unsigned FakeAddrSpaceMap[] = { | |||
| 922 | 0, // Default | |||
| 923 | 1, // opencl_global | |||
| 924 | 3, // opencl_local | |||
| 925 | 2, // opencl_constant | |||
| 926 | 0, // opencl_private | |||
| 927 | 4, // opencl_generic | |||
| 928 | 5, // opencl_global_device | |||
| 929 | 6, // opencl_global_host | |||
| 930 | 7, // cuda_device | |||
| 931 | 8, // cuda_constant | |||
| 932 | 9, // cuda_shared | |||
| 933 | 10, // ptr32_sptr | |||
| 934 | 11, // ptr32_uptr | |||
| 935 | 12 // ptr64 | |||
| 936 | }; | |||
| 937 | return &FakeAddrSpaceMap; | |||
| 938 | } else { | |||
| 939 | return &T.getAddressSpaceMap(); | |||
| 940 | } | |||
| 941 | } | |||
| 942 | ||||
| 943 | static bool isAddrSpaceMapManglingEnabled(const TargetInfo &TI, | |||
| 944 | const LangOptions &LangOpts) { | |||
| 945 | switch (LangOpts.getAddressSpaceMapMangling()) { | |||
| 946 | case LangOptions::ASMM_Target: | |||
| 947 | return TI.useAddressSpaceMapMangling(); | |||
| 948 | case LangOptions::ASMM_On: | |||
| 949 | return true; | |||
| 950 | case LangOptions::ASMM_Off: | |||
| 951 | return false; | |||
| 952 | } | |||
| 953 | llvm_unreachable("getAddressSpaceMapMangling() doesn't cover anything.")::llvm::llvm_unreachable_internal("getAddressSpaceMapMangling() doesn't cover anything." , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 953); | |||
| 954 | } | |||
| 955 | ||||
| 956 | ASTContext::ASTContext(LangOptions &LOpts, SourceManager &SM, | |||
| 957 | IdentifierTable &idents, SelectorTable &sels, | |||
| 958 | Builtin::Context &builtins) | |||
| 959 | : ConstantArrayTypes(this_()), FunctionProtoTypes(this_()), | |||
| 960 | TemplateSpecializationTypes(this_()), | |||
| 961 | DependentTemplateSpecializationTypes(this_()), AutoTypes(this_()), | |||
| 962 | SubstTemplateTemplateParmPacks(this_()), | |||
| 963 | CanonTemplateTemplateParms(this_()), SourceMgr(SM), LangOpts(LOpts), | |||
| 964 | SanitizerBL(new SanitizerBlacklist(LangOpts.SanitizerBlacklistFiles, SM)), | |||
| 965 | XRayFilter(new XRayFunctionFilter(LangOpts.XRayAlwaysInstrumentFiles, | |||
| 966 | LangOpts.XRayNeverInstrumentFiles, | |||
| 967 | LangOpts.XRayAttrListFiles, SM)), | |||
| 968 | PrintingPolicy(LOpts), Idents(idents), Selectors(sels), | |||
| 969 | BuiltinInfo(builtins), DeclarationNames(*this), Comments(SM), | |||
| 970 | CommentCommandTraits(BumpAlloc, LOpts.CommentOpts), | |||
| 971 | CompCategories(this_()), LastSDM(nullptr, 0) { | |||
| 972 | TUDecl = TranslationUnitDecl::Create(*this); | |||
| 973 | TraversalScope = {TUDecl}; | |||
| 974 | } | |||
| 975 | ||||
| 976 | ASTContext::~ASTContext() { | |||
| 977 | // Release the DenseMaps associated with DeclContext objects. | |||
| 978 | // FIXME: Is this the ideal solution? | |||
| 979 | ReleaseDeclContextMaps(); | |||
| 980 | ||||
| 981 | // Call all of the deallocation functions on all of their targets. | |||
| 982 | for (auto &Pair : Deallocations) | |||
| 983 | (Pair.first)(Pair.second); | |||
| 984 | ||||
| 985 | // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed | |||
| 986 | // because they can contain DenseMaps. | |||
| 987 | for (llvm::DenseMap<const ObjCContainerDecl*, | |||
| 988 | const ASTRecordLayout*>::iterator | |||
| 989 | I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) | |||
| 990 | // Increment in loop to prevent using deallocated memory. | |||
| 991 | if (auto *R = const_cast<ASTRecordLayout *>((I++)->second)) | |||
| 992 | R->Destroy(*this); | |||
| 993 | ||||
| 994 | for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator | |||
| 995 | I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { | |||
| 996 | // Increment in loop to prevent using deallocated memory. | |||
| 997 | if (auto *R = const_cast<ASTRecordLayout *>((I++)->second)) | |||
| 998 | R->Destroy(*this); | |||
| 999 | } | |||
| 1000 | ||||
| 1001 | for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), | |||
| 1002 | AEnd = DeclAttrs.end(); | |||
| 1003 | A != AEnd; ++A) | |||
| 1004 | A->second->~AttrVec(); | |||
| 1005 | ||||
| 1006 | for (const auto &Value : ModuleInitializers) | |||
| 1007 | Value.second->~PerModuleInitializers(); | |||
| 1008 | ||||
| 1009 | for (APValue *Value : APValueCleanups) | |||
| 1010 | Value->~APValue(); | |||
| 1011 | } | |||
| 1012 | ||||
| 1013 | void ASTContext::setTraversalScope(const std::vector<Decl *> &TopLevelDecls) { | |||
| 1014 | TraversalScope = TopLevelDecls; | |||
| 1015 | getParentMapContext().clear(); | |||
| 1016 | } | |||
| 1017 | ||||
| 1018 | void ASTContext::AddDeallocation(void (*Callback)(void *), void *Data) const { | |||
| 1019 | Deallocations.push_back({Callback, Data}); | |||
| 1020 | } | |||
| 1021 | ||||
| 1022 | void | |||
| 1023 | ASTContext::setExternalSource(IntrusiveRefCntPtr<ExternalASTSource> Source) { | |||
| 1024 | ExternalSource = std::move(Source); | |||
| 1025 | } | |||
| 1026 | ||||
| 1027 | void ASTContext::PrintStats() const { | |||
| 1028 | llvm::errs() << "\n*** AST Context Stats:\n"; | |||
| 1029 | llvm::errs() << " " << Types.size() << " types total.\n"; | |||
| 1030 | ||||
| 1031 | unsigned counts[] = { | |||
| 1032 | #define TYPE(Name, Parent) 0, | |||
| 1033 | #define ABSTRACT_TYPE(Name, Parent) | |||
| 1034 | #include "clang/AST/TypeNodes.inc" | |||
| 1035 | 0 // Extra | |||
| 1036 | }; | |||
| 1037 | ||||
| 1038 | for (unsigned i = 0, e = Types.size(); i != e; ++i) { | |||
| 1039 | Type *T = Types[i]; | |||
| 1040 | counts[(unsigned)T->getTypeClass()]++; | |||
| 1041 | } | |||
| 1042 | ||||
| 1043 | unsigned Idx = 0; | |||
| 1044 | unsigned TotalBytes = 0; | |||
| 1045 | #define TYPE(Name, Parent) \ | |||
| 1046 | if (counts[Idx]) \ | |||
| 1047 | llvm::errs() << " " << counts[Idx] << " " << #Name \ | |||
| 1048 | << " types, " << sizeof(Name##Type) << " each " \ | |||
| 1049 | << "(" << counts[Idx] * sizeof(Name##Type) \ | |||
| 1050 | << " bytes)\n"; \ | |||
| 1051 | TotalBytes += counts[Idx] * sizeof(Name##Type); \ | |||
| 1052 | ++Idx; | |||
| 1053 | #define ABSTRACT_TYPE(Name, Parent) | |||
| 1054 | #include "clang/AST/TypeNodes.inc" | |||
| 1055 | ||||
| 1056 | llvm::errs() << "Total bytes = " << TotalBytes << "\n"; | |||
| 1057 | ||||
| 1058 | // Implicit special member functions. | |||
| 1059 | llvm::errs() << NumImplicitDefaultConstructorsDeclared << "/" | |||
| 1060 | << NumImplicitDefaultConstructors | |||
| 1061 | << " implicit default constructors created\n"; | |||
| 1062 | llvm::errs() << NumImplicitCopyConstructorsDeclared << "/" | |||
| 1063 | << NumImplicitCopyConstructors | |||
| 1064 | << " implicit copy constructors created\n"; | |||
| 1065 | if (getLangOpts().CPlusPlus) | |||
| 1066 | llvm::errs() << NumImplicitMoveConstructorsDeclared << "/" | |||
| 1067 | << NumImplicitMoveConstructors | |||
| 1068 | << " implicit move constructors created\n"; | |||
| 1069 | llvm::errs() << NumImplicitCopyAssignmentOperatorsDeclared << "/" | |||
| 1070 | << NumImplicitCopyAssignmentOperators | |||
| 1071 | << " implicit copy assignment operators created\n"; | |||
| 1072 | if (getLangOpts().CPlusPlus) | |||
| 1073 | llvm::errs() << NumImplicitMoveAssignmentOperatorsDeclared << "/" | |||
| 1074 | << NumImplicitMoveAssignmentOperators | |||
| 1075 | << " implicit move assignment operators created\n"; | |||
| 1076 | llvm::errs() << NumImplicitDestructorsDeclared << "/" | |||
| 1077 | << NumImplicitDestructors | |||
| 1078 | << " implicit destructors created\n"; | |||
| 1079 | ||||
| 1080 | if (ExternalSource) { | |||
| 1081 | llvm::errs() << "\n"; | |||
| 1082 | ExternalSource->PrintStats(); | |||
| 1083 | } | |||
| 1084 | ||||
| 1085 | BumpAlloc.PrintStats(); | |||
| 1086 | } | |||
| 1087 | ||||
| 1088 | void ASTContext::mergeDefinitionIntoModule(NamedDecl *ND, Module *M, | |||
| 1089 | bool NotifyListeners) { | |||
| 1090 | if (NotifyListeners) | |||
| 1091 | if (auto *Listener = getASTMutationListener()) | |||
| 1092 | Listener->RedefinedHiddenDefinition(ND, M); | |||
| 1093 | ||||
| 1094 | MergedDefModules[cast<NamedDecl>(ND->getCanonicalDecl())].push_back(M); | |||
| 1095 | } | |||
| 1096 | ||||
| 1097 | void ASTContext::deduplicateMergedDefinitonsFor(NamedDecl *ND) { | |||
| 1098 | auto It = MergedDefModules.find(cast<NamedDecl>(ND->getCanonicalDecl())); | |||
| 1099 | if (It == MergedDefModules.end()) | |||
| 1100 | return; | |||
| 1101 | ||||
| 1102 | auto &Merged = It->second; | |||
| 1103 | llvm::DenseSet<Module*> Found; | |||
| 1104 | for (Module *&M : Merged) | |||
| 1105 | if (!Found.insert(M).second) | |||
| 1106 | M = nullptr; | |||
| 1107 | Merged.erase(std::remove(Merged.begin(), Merged.end(), nullptr), Merged.end()); | |||
| 1108 | } | |||
| 1109 | ||||
| 1110 | ArrayRef<Module *> | |||
| 1111 | ASTContext::getModulesWithMergedDefinition(const NamedDecl *Def) { | |||
| 1112 | auto MergedIt = | |||
| 1113 | MergedDefModules.find(cast<NamedDecl>(Def->getCanonicalDecl())); | |||
| 1114 | if (MergedIt == MergedDefModules.end()) | |||
| 1115 | return None; | |||
| 1116 | return MergedIt->second; | |||
| 1117 | } | |||
| 1118 | ||||
| 1119 | void ASTContext::PerModuleInitializers::resolve(ASTContext &Ctx) { | |||
| 1120 | if (LazyInitializers.empty()) | |||
| 1121 | return; | |||
| 1122 | ||||
| 1123 | auto *Source = Ctx.getExternalSource(); | |||
| 1124 | assert(Source && "lazy initializers but no external source")((Source && "lazy initializers but no external source" ) ? static_cast<void> (0) : __assert_fail ("Source && \"lazy initializers but no external source\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1124, __PRETTY_FUNCTION__)); | |||
| 1125 | ||||
| 1126 | auto LazyInits = std::move(LazyInitializers); | |||
| 1127 | LazyInitializers.clear(); | |||
| 1128 | ||||
| 1129 | for (auto ID : LazyInits) | |||
| 1130 | Initializers.push_back(Source->GetExternalDecl(ID)); | |||
| 1131 | ||||
| 1132 | assert(LazyInitializers.empty() &&((LazyInitializers.empty() && "GetExternalDecl for lazy module initializer added more inits" ) ? static_cast<void> (0) : __assert_fail ("LazyInitializers.empty() && \"GetExternalDecl for lazy module initializer added more inits\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1133, __PRETTY_FUNCTION__)) | |||
| 1133 | "GetExternalDecl for lazy module initializer added more inits")((LazyInitializers.empty() && "GetExternalDecl for lazy module initializer added more inits" ) ? static_cast<void> (0) : __assert_fail ("LazyInitializers.empty() && \"GetExternalDecl for lazy module initializer added more inits\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1133, __PRETTY_FUNCTION__)); | |||
| 1134 | } | |||
| 1135 | ||||
| 1136 | void ASTContext::addModuleInitializer(Module *M, Decl *D) { | |||
| 1137 | // One special case: if we add a module initializer that imports another | |||
| 1138 | // module, and that module's only initializer is an ImportDecl, simplify. | |||
| 1139 | if (const auto *ID = dyn_cast<ImportDecl>(D)) { | |||
| 1140 | auto It = ModuleInitializers.find(ID->getImportedModule()); | |||
| 1141 | ||||
| 1142 | // Maybe the ImportDecl does nothing at all. (Common case.) | |||
| 1143 | if (It == ModuleInitializers.end()) | |||
| 1144 | return; | |||
| 1145 | ||||
| 1146 | // Maybe the ImportDecl only imports another ImportDecl. | |||
| 1147 | auto &Imported = *It->second; | |||
| 1148 | if (Imported.Initializers.size() + Imported.LazyInitializers.size() == 1) { | |||
| 1149 | Imported.resolve(*this); | |||
| 1150 | auto *OnlyDecl = Imported.Initializers.front(); | |||
| 1151 | if (isa<ImportDecl>(OnlyDecl)) | |||
| 1152 | D = OnlyDecl; | |||
| 1153 | } | |||
| 1154 | } | |||
| 1155 | ||||
| 1156 | auto *&Inits = ModuleInitializers[M]; | |||
| 1157 | if (!Inits) | |||
| 1158 | Inits = new (*this) PerModuleInitializers; | |||
| 1159 | Inits->Initializers.push_back(D); | |||
| 1160 | } | |||
| 1161 | ||||
| 1162 | void ASTContext::addLazyModuleInitializers(Module *M, ArrayRef<uint32_t> IDs) { | |||
| 1163 | auto *&Inits = ModuleInitializers[M]; | |||
| 1164 | if (!Inits) | |||
| 1165 | Inits = new (*this) PerModuleInitializers; | |||
| 1166 | Inits->LazyInitializers.insert(Inits->LazyInitializers.end(), | |||
| 1167 | IDs.begin(), IDs.end()); | |||
| 1168 | } | |||
| 1169 | ||||
| 1170 | ArrayRef<Decl *> ASTContext::getModuleInitializers(Module *M) { | |||
| 1171 | auto It = ModuleInitializers.find(M); | |||
| 1172 | if (It == ModuleInitializers.end()) | |||
| 1173 | return None; | |||
| 1174 | ||||
| 1175 | auto *Inits = It->second; | |||
| 1176 | Inits->resolve(*this); | |||
| 1177 | return Inits->Initializers; | |||
| 1178 | } | |||
| 1179 | ||||
| 1180 | ExternCContextDecl *ASTContext::getExternCContextDecl() const { | |||
| 1181 | if (!ExternCContext) | |||
| 1182 | ExternCContext = ExternCContextDecl::Create(*this, getTranslationUnitDecl()); | |||
| 1183 | ||||
| 1184 | return ExternCContext; | |||
| 1185 | } | |||
| 1186 | ||||
| 1187 | BuiltinTemplateDecl * | |||
| 1188 | ASTContext::buildBuiltinTemplateDecl(BuiltinTemplateKind BTK, | |||
| 1189 | const IdentifierInfo *II) const { | |||
| 1190 | auto *BuiltinTemplate = BuiltinTemplateDecl::Create(*this, TUDecl, II, BTK); | |||
| 1191 | BuiltinTemplate->setImplicit(); | |||
| 1192 | TUDecl->addDecl(BuiltinTemplate); | |||
| 1193 | ||||
| 1194 | return BuiltinTemplate; | |||
| 1195 | } | |||
| 1196 | ||||
| 1197 | BuiltinTemplateDecl * | |||
| 1198 | ASTContext::getMakeIntegerSeqDecl() const { | |||
| 1199 | if (!MakeIntegerSeqDecl) | |||
| 1200 | MakeIntegerSeqDecl = buildBuiltinTemplateDecl(BTK__make_integer_seq, | |||
| 1201 | getMakeIntegerSeqName()); | |||
| 1202 | return MakeIntegerSeqDecl; | |||
| 1203 | } | |||
| 1204 | ||||
| 1205 | BuiltinTemplateDecl * | |||
| 1206 | ASTContext::getTypePackElementDecl() const { | |||
| 1207 | if (!TypePackElementDecl) | |||
| 1208 | TypePackElementDecl = buildBuiltinTemplateDecl(BTK__type_pack_element, | |||
| 1209 | getTypePackElementName()); | |||
| 1210 | return TypePackElementDecl; | |||
| 1211 | } | |||
| 1212 | ||||
| 1213 | RecordDecl *ASTContext::buildImplicitRecord(StringRef Name, | |||
| 1214 | RecordDecl::TagKind TK) const { | |||
| 1215 | SourceLocation Loc; | |||
| 1216 | RecordDecl *NewDecl; | |||
| 1217 | if (getLangOpts().CPlusPlus) | |||
| 1218 | NewDecl = CXXRecordDecl::Create(*this, TK, getTranslationUnitDecl(), Loc, | |||
| 1219 | Loc, &Idents.get(Name)); | |||
| 1220 | else | |||
| 1221 | NewDecl = RecordDecl::Create(*this, TK, getTranslationUnitDecl(), Loc, Loc, | |||
| 1222 | &Idents.get(Name)); | |||
| 1223 | NewDecl->setImplicit(); | |||
| 1224 | NewDecl->addAttr(TypeVisibilityAttr::CreateImplicit( | |||
| 1225 | const_cast<ASTContext &>(*this), TypeVisibilityAttr::Default)); | |||
| 1226 | return NewDecl; | |||
| 1227 | } | |||
| 1228 | ||||
| 1229 | TypedefDecl *ASTContext::buildImplicitTypedef(QualType T, | |||
| 1230 | StringRef Name) const { | |||
| 1231 | TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(T); | |||
| 1232 | TypedefDecl *NewDecl = TypedefDecl::Create( | |||
| 1233 | const_cast<ASTContext &>(*this), getTranslationUnitDecl(), | |||
| 1234 | SourceLocation(), SourceLocation(), &Idents.get(Name), TInfo); | |||
| 1235 | NewDecl->setImplicit(); | |||
| 1236 | return NewDecl; | |||
| 1237 | } | |||
| 1238 | ||||
| 1239 | TypedefDecl *ASTContext::getInt128Decl() const { | |||
| 1240 | if (!Int128Decl) | |||
| 1241 | Int128Decl = buildImplicitTypedef(Int128Ty, "__int128_t"); | |||
| 1242 | return Int128Decl; | |||
| 1243 | } | |||
| 1244 | ||||
| 1245 | TypedefDecl *ASTContext::getUInt128Decl() const { | |||
| 1246 | if (!UInt128Decl) | |||
| 1247 | UInt128Decl = buildImplicitTypedef(UnsignedInt128Ty, "__uint128_t"); | |||
| 1248 | return UInt128Decl; | |||
| 1249 | } | |||
| 1250 | ||||
| 1251 | void ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { | |||
| 1252 | auto *Ty = new (*this, TypeAlignment) BuiltinType(K); | |||
| 1253 | R = CanQualType::CreateUnsafe(QualType(Ty, 0)); | |||
| 1254 | Types.push_back(Ty); | |||
| 1255 | } | |||
| 1256 | ||||
| 1257 | void ASTContext::InitBuiltinTypes(const TargetInfo &Target, | |||
| 1258 | const TargetInfo *AuxTarget) { | |||
| 1259 | assert((!this->Target || this->Target == &Target) &&(((!this->Target || this->Target == &Target) && "Incorrect target reinitialization") ? static_cast<void> (0) : __assert_fail ("(!this->Target || this->Target == &Target) && \"Incorrect target reinitialization\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1260, __PRETTY_FUNCTION__)) | |||
| 1260 | "Incorrect target reinitialization")(((!this->Target || this->Target == &Target) && "Incorrect target reinitialization") ? static_cast<void> (0) : __assert_fail ("(!this->Target || this->Target == &Target) && \"Incorrect target reinitialization\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1260, __PRETTY_FUNCTION__)); | |||
| 1261 | assert(VoidTy.isNull() && "Context reinitialized?")((VoidTy.isNull() && "Context reinitialized?") ? static_cast <void> (0) : __assert_fail ("VoidTy.isNull() && \"Context reinitialized?\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1261, __PRETTY_FUNCTION__)); | |||
| 1262 | ||||
| 1263 | this->Target = &Target; | |||
| 1264 | this->AuxTarget = AuxTarget; | |||
| 1265 | ||||
| 1266 | ABI.reset(createCXXABI(Target)); | |||
| 1267 | AddrSpaceMap = getAddressSpaceMap(Target, LangOpts); | |||
| 1268 | AddrSpaceMapMangling = isAddrSpaceMapManglingEnabled(Target, LangOpts); | |||
| 1269 | ||||
| 1270 | // C99 6.2.5p19. | |||
| 1271 | InitBuiltinType(VoidTy, BuiltinType::Void); | |||
| 1272 | ||||
| 1273 | // C99 6.2.5p2. | |||
| 1274 | InitBuiltinType(BoolTy, BuiltinType::Bool); | |||
| 1275 | // C99 6.2.5p3. | |||
| 1276 | if (LangOpts.CharIsSigned) | |||
| 1277 | InitBuiltinType(CharTy, BuiltinType::Char_S); | |||
| 1278 | else | |||
| 1279 | InitBuiltinType(CharTy, BuiltinType::Char_U); | |||
| 1280 | // C99 6.2.5p4. | |||
| 1281 | InitBuiltinType(SignedCharTy, BuiltinType::SChar); | |||
| 1282 | InitBuiltinType(ShortTy, BuiltinType::Short); | |||
| 1283 | InitBuiltinType(IntTy, BuiltinType::Int); | |||
| 1284 | InitBuiltinType(LongTy, BuiltinType::Long); | |||
| 1285 | InitBuiltinType(LongLongTy, BuiltinType::LongLong); | |||
| 1286 | ||||
| 1287 | // C99 6.2.5p6. | |||
| 1288 | InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); | |||
| 1289 | InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); | |||
| 1290 | InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); | |||
| 1291 | InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); | |||
| 1292 | InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); | |||
| 1293 | ||||
| 1294 | // C99 6.2.5p10. | |||
| 1295 | InitBuiltinType(FloatTy, BuiltinType::Float); | |||
| 1296 | InitBuiltinType(DoubleTy, BuiltinType::Double); | |||
| 1297 | InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); | |||
| 1298 | ||||
| 1299 | // GNU extension, __float128 for IEEE quadruple precision | |||
| 1300 | InitBuiltinType(Float128Ty, BuiltinType::Float128); | |||
| 1301 | ||||
| 1302 | // C11 extension ISO/IEC TS 18661-3 | |||
| 1303 | InitBuiltinType(Float16Ty, BuiltinType::Float16); | |||
| 1304 | ||||
| 1305 | // ISO/IEC JTC1 SC22 WG14 N1169 Extension | |||
| 1306 | InitBuiltinType(ShortAccumTy, BuiltinType::ShortAccum); | |||
| 1307 | InitBuiltinType(AccumTy, BuiltinType::Accum); | |||
| 1308 | InitBuiltinType(LongAccumTy, BuiltinType::LongAccum); | |||
| 1309 | InitBuiltinType(UnsignedShortAccumTy, BuiltinType::UShortAccum); | |||
| 1310 | InitBuiltinType(UnsignedAccumTy, BuiltinType::UAccum); | |||
| 1311 | InitBuiltinType(UnsignedLongAccumTy, BuiltinType::ULongAccum); | |||
| 1312 | InitBuiltinType(ShortFractTy, BuiltinType::ShortFract); | |||
| 1313 | InitBuiltinType(FractTy, BuiltinType::Fract); | |||
| 1314 | InitBuiltinType(LongFractTy, BuiltinType::LongFract); | |||
| 1315 | InitBuiltinType(UnsignedShortFractTy, BuiltinType::UShortFract); | |||
| 1316 | InitBuiltinType(UnsignedFractTy, BuiltinType::UFract); | |||
| 1317 | InitBuiltinType(UnsignedLongFractTy, BuiltinType::ULongFract); | |||
| 1318 | InitBuiltinType(SatShortAccumTy, BuiltinType::SatShortAccum); | |||
| 1319 | InitBuiltinType(SatAccumTy, BuiltinType::SatAccum); | |||
| 1320 | InitBuiltinType(SatLongAccumTy, BuiltinType::SatLongAccum); | |||
| 1321 | InitBuiltinType(SatUnsignedShortAccumTy, BuiltinType::SatUShortAccum); | |||
| 1322 | InitBuiltinType(SatUnsignedAccumTy, BuiltinType::SatUAccum); | |||
| 1323 | InitBuiltinType(SatUnsignedLongAccumTy, BuiltinType::SatULongAccum); | |||
| 1324 | InitBuiltinType(SatShortFractTy, BuiltinType::SatShortFract); | |||
| 1325 | InitBuiltinType(SatFractTy, BuiltinType::SatFract); | |||
| 1326 | InitBuiltinType(SatLongFractTy, BuiltinType::SatLongFract); | |||
| 1327 | InitBuiltinType(SatUnsignedShortFractTy, BuiltinType::SatUShortFract); | |||
| 1328 | InitBuiltinType(SatUnsignedFractTy, BuiltinType::SatUFract); | |||
| 1329 | InitBuiltinType(SatUnsignedLongFractTy, BuiltinType::SatULongFract); | |||
| 1330 | ||||
| 1331 | // GNU extension, 128-bit integers. | |||
| 1332 | InitBuiltinType(Int128Ty, BuiltinType::Int128); | |||
| 1333 | InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); | |||
| 1334 | ||||
| 1335 | // C++ 3.9.1p5 | |||
| 1336 | if (TargetInfo::isTypeSigned(Target.getWCharType())) | |||
| 1337 | InitBuiltinType(WCharTy, BuiltinType::WChar_S); | |||
| 1338 | else // -fshort-wchar makes wchar_t be unsigned. | |||
| 1339 | InitBuiltinType(WCharTy, BuiltinType::WChar_U); | |||
| 1340 | if (LangOpts.CPlusPlus && LangOpts.WChar) | |||
| 1341 | WideCharTy = WCharTy; | |||
| 1342 | else { | |||
| 1343 | // C99 (or C++ using -fno-wchar). | |||
| 1344 | WideCharTy = getFromTargetType(Target.getWCharType()); | |||
| 1345 | } | |||
| 1346 | ||||
| 1347 | WIntTy = getFromTargetType(Target.getWIntType()); | |||
| 1348 | ||||
| 1349 | // C++20 (proposed) | |||
| 1350 | InitBuiltinType(Char8Ty, BuiltinType::Char8); | |||
| 1351 | ||||
| 1352 | if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ | |||
| 1353 | InitBuiltinType(Char16Ty, BuiltinType::Char16); | |||
| 1354 | else // C99 | |||
| 1355 | Char16Ty = getFromTargetType(Target.getChar16Type()); | |||
| 1356 | ||||
| 1357 | if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ | |||
| 1358 | InitBuiltinType(Char32Ty, BuiltinType::Char32); | |||
| 1359 | else // C99 | |||
| 1360 | Char32Ty = getFromTargetType(Target.getChar32Type()); | |||
| 1361 | ||||
| 1362 | // Placeholder type for type-dependent expressions whose type is | |||
| 1363 | // completely unknown. No code should ever check a type against | |||
| 1364 | // DependentTy and users should never see it; however, it is here to | |||
| 1365 | // help diagnose failures to properly check for type-dependent | |||
| 1366 | // expressions. | |||
| 1367 | InitBuiltinType(DependentTy, BuiltinType::Dependent); | |||
| 1368 | ||||
| 1369 | // Placeholder type for functions. | |||
| 1370 | InitBuiltinType(OverloadTy, BuiltinType::Overload); | |||
| 1371 | ||||
| 1372 | // Placeholder type for bound members. | |||
| 1373 | InitBuiltinType(BoundMemberTy, BuiltinType::BoundMember); | |||
| 1374 | ||||
| 1375 | // Placeholder type for pseudo-objects. | |||
| 1376 | InitBuiltinType(PseudoObjectTy, BuiltinType::PseudoObject); | |||
| 1377 | ||||
| 1378 | // "any" type; useful for debugger-like clients. | |||
| 1379 | InitBuiltinType(UnknownAnyTy, BuiltinType::UnknownAny); | |||
| 1380 | ||||
| 1381 | // Placeholder type for unbridged ARC casts. | |||
| 1382 | InitBuiltinType(ARCUnbridgedCastTy, BuiltinType::ARCUnbridgedCast); | |||
| 1383 | ||||
| 1384 | // Placeholder type for builtin functions. | |||
| 1385 | InitBuiltinType(BuiltinFnTy, BuiltinType::BuiltinFn); | |||
| 1386 | ||||
| 1387 | // Placeholder type for OMP array sections. | |||
| 1388 | if (LangOpts.OpenMP) { | |||
| 1389 | InitBuiltinType(OMPArraySectionTy, BuiltinType::OMPArraySection); | |||
| 1390 | InitBuiltinType(OMPArrayShapingTy, BuiltinType::OMPArrayShaping); | |||
| 1391 | InitBuiltinType(OMPIteratorTy, BuiltinType::OMPIterator); | |||
| 1392 | } | |||
| 1393 | if (LangOpts.MatrixTypes) | |||
| 1394 | InitBuiltinType(IncompleteMatrixIdxTy, BuiltinType::IncompleteMatrixIdx); | |||
| 1395 | ||||
| 1396 | // C99 6.2.5p11. | |||
| 1397 | FloatComplexTy = getComplexType(FloatTy); | |||
| 1398 | DoubleComplexTy = getComplexType(DoubleTy); | |||
| 1399 | LongDoubleComplexTy = getComplexType(LongDoubleTy); | |||
| 1400 | Float128ComplexTy = getComplexType(Float128Ty); | |||
| 1401 | ||||
| 1402 | // Builtin types for 'id', 'Class', and 'SEL'. | |||
| 1403 | InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); | |||
| 1404 | InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); | |||
| 1405 | InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); | |||
| 1406 | ||||
| 1407 | if (LangOpts.OpenCL) { | |||
| 1408 | #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \ | |||
| 1409 | InitBuiltinType(SingletonId, BuiltinType::Id); | |||
| 1410 | #include "clang/Basic/OpenCLImageTypes.def" | |||
| 1411 | ||||
| 1412 | InitBuiltinType(OCLSamplerTy, BuiltinType::OCLSampler); | |||
| 1413 | InitBuiltinType(OCLEventTy, BuiltinType::OCLEvent); | |||
| 1414 | InitBuiltinType(OCLClkEventTy, BuiltinType::OCLClkEvent); | |||
| 1415 | InitBuiltinType(OCLQueueTy, BuiltinType::OCLQueue); | |||
| 1416 | InitBuiltinType(OCLReserveIDTy, BuiltinType::OCLReserveID); | |||
| 1417 | ||||
| 1418 | #define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \ | |||
| 1419 | InitBuiltinType(Id##Ty, BuiltinType::Id); | |||
| 1420 | #include "clang/Basic/OpenCLExtensionTypes.def" | |||
| 1421 | } | |||
| 1422 | ||||
| 1423 | if (Target.hasAArch64SVETypes()) { | |||
| 1424 | #define SVE_TYPE(Name, Id, SingletonId) \ | |||
| 1425 | InitBuiltinType(SingletonId, BuiltinType::Id); | |||
| 1426 | #include "clang/Basic/AArch64SVEACLETypes.def" | |||
| 1427 | } | |||
| 1428 | ||||
| 1429 | // Builtin type for __objc_yes and __objc_no | |||
| 1430 | ObjCBuiltinBoolTy = (Target.useSignedCharForObjCBool() ? | |||
| 1431 | SignedCharTy : BoolTy); | |||
| 1432 | ||||
| 1433 | ObjCConstantStringType = QualType(); | |||
| 1434 | ||||
| 1435 | ObjCSuperType = QualType(); | |||
| 1436 | ||||
| 1437 | // void * type | |||
| 1438 | if (LangOpts.OpenCLVersion >= 200) { | |||
| 1439 | auto Q = VoidTy.getQualifiers(); | |||
| 1440 | Q.setAddressSpace(LangAS::opencl_generic); | |||
| 1441 | VoidPtrTy = getPointerType(getCanonicalType( | |||
| 1442 | getQualifiedType(VoidTy.getUnqualifiedType(), Q))); | |||
| 1443 | } else { | |||
| 1444 | VoidPtrTy = getPointerType(VoidTy); | |||
| 1445 | } | |||
| 1446 | ||||
| 1447 | // nullptr type (C++0x 2.14.7) | |||
| 1448 | InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); | |||
| 1449 | ||||
| 1450 | // half type (OpenCL 6.1.1.1) / ARM NEON __fp16 | |||
| 1451 | InitBuiltinType(HalfTy, BuiltinType::Half); | |||
| 1452 | ||||
| 1453 | InitBuiltinType(BFloat16Ty, BuiltinType::BFloat16); | |||
| 1454 | ||||
| 1455 | // Builtin type used to help define __builtin_va_list. | |||
| 1456 | VaListTagDecl = nullptr; | |||
| 1457 | ||||
| 1458 | // MSVC predeclares struct _GUID, and we need it to create MSGuidDecls. | |||
| 1459 | if (LangOpts.MicrosoftExt || LangOpts.Borland) { | |||
| 1460 | MSGuidTagDecl = buildImplicitRecord("_GUID"); | |||
| 1461 | TUDecl->addDecl(MSGuidTagDecl); | |||
| 1462 | } | |||
| 1463 | } | |||
| 1464 | ||||
| 1465 | DiagnosticsEngine &ASTContext::getDiagnostics() const { | |||
| 1466 | return SourceMgr.getDiagnostics(); | |||
| 1467 | } | |||
| 1468 | ||||
| 1469 | AttrVec& ASTContext::getDeclAttrs(const Decl *D) { | |||
| 1470 | AttrVec *&Result = DeclAttrs[D]; | |||
| 1471 | if (!Result) { | |||
| 1472 | void *Mem = Allocate(sizeof(AttrVec)); | |||
| 1473 | Result = new (Mem) AttrVec; | |||
| 1474 | } | |||
| 1475 | ||||
| 1476 | return *Result; | |||
| 1477 | } | |||
| 1478 | ||||
| 1479 | /// Erase the attributes corresponding to the given declaration. | |||
| 1480 | void ASTContext::eraseDeclAttrs(const Decl *D) { | |||
| 1481 | llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); | |||
| 1482 | if (Pos != DeclAttrs.end()) { | |||
| 1483 | Pos->second->~AttrVec(); | |||
| 1484 | DeclAttrs.erase(Pos); | |||
| 1485 | } | |||
| 1486 | } | |||
| 1487 | ||||
| 1488 | // FIXME: Remove ? | |||
| 1489 | MemberSpecializationInfo * | |||
| 1490 | ASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { | |||
| 1491 | assert(Var->isStaticDataMember() && "Not a static data member")((Var->isStaticDataMember() && "Not a static data member" ) ? static_cast<void> (0) : __assert_fail ("Var->isStaticDataMember() && \"Not a static data member\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1491, __PRETTY_FUNCTION__)); | |||
| 1492 | return getTemplateOrSpecializationInfo(Var) | |||
| 1493 | .dyn_cast<MemberSpecializationInfo *>(); | |||
| 1494 | } | |||
| 1495 | ||||
| 1496 | ASTContext::TemplateOrSpecializationInfo | |||
| 1497 | ASTContext::getTemplateOrSpecializationInfo(const VarDecl *Var) { | |||
| 1498 | llvm::DenseMap<const VarDecl *, TemplateOrSpecializationInfo>::iterator Pos = | |||
| 1499 | TemplateOrInstantiation.find(Var); | |||
| 1500 | if (Pos == TemplateOrInstantiation.end()) | |||
| 1501 | return {}; | |||
| 1502 | ||||
| 1503 | return Pos->second; | |||
| 1504 | } | |||
| 1505 | ||||
| 1506 | void | |||
| 1507 | ASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, | |||
| 1508 | TemplateSpecializationKind TSK, | |||
| 1509 | SourceLocation PointOfInstantiation) { | |||
| 1510 | assert(Inst->isStaticDataMember() && "Not a static data member")((Inst->isStaticDataMember() && "Not a static data member" ) ? static_cast<void> (0) : __assert_fail ("Inst->isStaticDataMember() && \"Not a static data member\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1510, __PRETTY_FUNCTION__)); | |||
| 1511 | assert(Tmpl->isStaticDataMember() && "Not a static data member")((Tmpl->isStaticDataMember() && "Not a static data member" ) ? static_cast<void> (0) : __assert_fail ("Tmpl->isStaticDataMember() && \"Not a static data member\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1511, __PRETTY_FUNCTION__)); | |||
| 1512 | setTemplateOrSpecializationInfo(Inst, new (*this) MemberSpecializationInfo( | |||
| 1513 | Tmpl, TSK, PointOfInstantiation)); | |||
| 1514 | } | |||
| 1515 | ||||
| 1516 | void | |||
| 1517 | ASTContext::setTemplateOrSpecializationInfo(VarDecl *Inst, | |||
| 1518 | TemplateOrSpecializationInfo TSI) { | |||
| 1519 | assert(!TemplateOrInstantiation[Inst] &&((!TemplateOrInstantiation[Inst] && "Already noted what the variable was instantiated from" ) ? static_cast<void> (0) : __assert_fail ("!TemplateOrInstantiation[Inst] && \"Already noted what the variable was instantiated from\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1520, __PRETTY_FUNCTION__)) | |||
| 1520 | "Already noted what the variable was instantiated from")((!TemplateOrInstantiation[Inst] && "Already noted what the variable was instantiated from" ) ? static_cast<void> (0) : __assert_fail ("!TemplateOrInstantiation[Inst] && \"Already noted what the variable was instantiated from\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1520, __PRETTY_FUNCTION__)); | |||
| 1521 | TemplateOrInstantiation[Inst] = TSI; | |||
| 1522 | } | |||
| 1523 | ||||
| 1524 | NamedDecl * | |||
| 1525 | ASTContext::getInstantiatedFromUsingDecl(NamedDecl *UUD) { | |||
| 1526 | auto Pos = InstantiatedFromUsingDecl.find(UUD); | |||
| 1527 | if (Pos == InstantiatedFromUsingDecl.end()) | |||
| 1528 | return nullptr; | |||
| 1529 | ||||
| 1530 | return Pos->second; | |||
| 1531 | } | |||
| 1532 | ||||
| 1533 | void | |||
| 1534 | ASTContext::setInstantiatedFromUsingDecl(NamedDecl *Inst, NamedDecl *Pattern) { | |||
| 1535 | assert((isa<UsingDecl>(Pattern) ||(((isa<UsingDecl>(Pattern) || isa<UnresolvedUsingValueDecl >(Pattern) || isa<UnresolvedUsingTypenameDecl>(Pattern )) && "pattern decl is not a using decl") ? static_cast <void> (0) : __assert_fail ("(isa<UsingDecl>(Pattern) || isa<UnresolvedUsingValueDecl>(Pattern) || isa<UnresolvedUsingTypenameDecl>(Pattern)) && \"pattern decl is not a using decl\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1538, __PRETTY_FUNCTION__)) | |||
| 1536 | isa<UnresolvedUsingValueDecl>(Pattern) ||(((isa<UsingDecl>(Pattern) || isa<UnresolvedUsingValueDecl >(Pattern) || isa<UnresolvedUsingTypenameDecl>(Pattern )) && "pattern decl is not a using decl") ? static_cast <void> (0) : __assert_fail ("(isa<UsingDecl>(Pattern) || isa<UnresolvedUsingValueDecl>(Pattern) || isa<UnresolvedUsingTypenameDecl>(Pattern)) && \"pattern decl is not a using decl\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1538, __PRETTY_FUNCTION__)) | |||
| 1537 | isa<UnresolvedUsingTypenameDecl>(Pattern)) &&(((isa<UsingDecl>(Pattern) || isa<UnresolvedUsingValueDecl >(Pattern) || isa<UnresolvedUsingTypenameDecl>(Pattern )) && "pattern decl is not a using decl") ? static_cast <void> (0) : __assert_fail ("(isa<UsingDecl>(Pattern) || isa<UnresolvedUsingValueDecl>(Pattern) || isa<UnresolvedUsingTypenameDecl>(Pattern)) && \"pattern decl is not a using decl\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1538, __PRETTY_FUNCTION__)) | |||
| 1538 | "pattern decl is not a using decl")(((isa<UsingDecl>(Pattern) || isa<UnresolvedUsingValueDecl >(Pattern) || isa<UnresolvedUsingTypenameDecl>(Pattern )) && "pattern decl is not a using decl") ? static_cast <void> (0) : __assert_fail ("(isa<UsingDecl>(Pattern) || isa<UnresolvedUsingValueDecl>(Pattern) || isa<UnresolvedUsingTypenameDecl>(Pattern)) && \"pattern decl is not a using decl\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1538, __PRETTY_FUNCTION__)); | |||
| 1539 | assert((isa<UsingDecl>(Inst) ||(((isa<UsingDecl>(Inst) || isa<UnresolvedUsingValueDecl >(Inst) || isa<UnresolvedUsingTypenameDecl>(Inst)) && "instantiation did not produce a using decl") ? static_cast< void> (0) : __assert_fail ("(isa<UsingDecl>(Inst) || isa<UnresolvedUsingValueDecl>(Inst) || isa<UnresolvedUsingTypenameDecl>(Inst)) && \"instantiation did not produce a using decl\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1542, __PRETTY_FUNCTION__)) | |||
| 1540 | isa<UnresolvedUsingValueDecl>(Inst) ||(((isa<UsingDecl>(Inst) || isa<UnresolvedUsingValueDecl >(Inst) || isa<UnresolvedUsingTypenameDecl>(Inst)) && "instantiation did not produce a using decl") ? static_cast< void> (0) : __assert_fail ("(isa<UsingDecl>(Inst) || isa<UnresolvedUsingValueDecl>(Inst) || isa<UnresolvedUsingTypenameDecl>(Inst)) && \"instantiation did not produce a using decl\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1542, __PRETTY_FUNCTION__)) | |||
| 1541 | isa<UnresolvedUsingTypenameDecl>(Inst)) &&(((isa<UsingDecl>(Inst) || isa<UnresolvedUsingValueDecl >(Inst) || isa<UnresolvedUsingTypenameDecl>(Inst)) && "instantiation did not produce a using decl") ? static_cast< void> (0) : __assert_fail ("(isa<UsingDecl>(Inst) || isa<UnresolvedUsingValueDecl>(Inst) || isa<UnresolvedUsingTypenameDecl>(Inst)) && \"instantiation did not produce a using decl\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1542, __PRETTY_FUNCTION__)) | |||
| 1542 | "instantiation did not produce a using decl")(((isa<UsingDecl>(Inst) || isa<UnresolvedUsingValueDecl >(Inst) || isa<UnresolvedUsingTypenameDecl>(Inst)) && "instantiation did not produce a using decl") ? static_cast< void> (0) : __assert_fail ("(isa<UsingDecl>(Inst) || isa<UnresolvedUsingValueDecl>(Inst) || isa<UnresolvedUsingTypenameDecl>(Inst)) && \"instantiation did not produce a using decl\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1542, __PRETTY_FUNCTION__)); | |||
| 1543 | assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists")((!InstantiatedFromUsingDecl[Inst] && "pattern already exists" ) ? static_cast<void> (0) : __assert_fail ("!InstantiatedFromUsingDecl[Inst] && \"pattern already exists\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1543, __PRETTY_FUNCTION__)); | |||
| 1544 | InstantiatedFromUsingDecl[Inst] = Pattern; | |||
| 1545 | } | |||
| 1546 | ||||
| 1547 | UsingShadowDecl * | |||
| 1548 | ASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { | |||
| 1549 | llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos | |||
| 1550 | = InstantiatedFromUsingShadowDecl.find(Inst); | |||
| 1551 | if (Pos == InstantiatedFromUsingShadowDecl.end()) | |||
| 1552 | return nullptr; | |||
| 1553 | ||||
| 1554 | return Pos->second; | |||
| 1555 | } | |||
| 1556 | ||||
| 1557 | void | |||
| 1558 | ASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, | |||
| 1559 | UsingShadowDecl *Pattern) { | |||
| 1560 | assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists")((!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists" ) ? static_cast<void> (0) : __assert_fail ("!InstantiatedFromUsingShadowDecl[Inst] && \"pattern already exists\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1560, __PRETTY_FUNCTION__)); | |||
| 1561 | InstantiatedFromUsingShadowDecl[Inst] = Pattern; | |||
| 1562 | } | |||
| 1563 | ||||
| 1564 | FieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { | |||
| 1565 | llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos | |||
| 1566 | = InstantiatedFromUnnamedFieldDecl.find(Field); | |||
| 1567 | if (Pos == InstantiatedFromUnnamedFieldDecl.end()) | |||
| 1568 | return nullptr; | |||
| 1569 | ||||
| 1570 | return Pos->second; | |||
| 1571 | } | |||
| 1572 | ||||
| 1573 | void ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, | |||
| 1574 | FieldDecl *Tmpl) { | |||
| 1575 | assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed")((!Inst->getDeclName() && "Instantiated field decl is not unnamed" ) ? static_cast<void> (0) : __assert_fail ("!Inst->getDeclName() && \"Instantiated field decl is not unnamed\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1575, __PRETTY_FUNCTION__)); | |||
| 1576 | assert(!Tmpl->getDeclName() && "Template field decl is not unnamed")((!Tmpl->getDeclName() && "Template field decl is not unnamed" ) ? static_cast<void> (0) : __assert_fail ("!Tmpl->getDeclName() && \"Template field decl is not unnamed\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1576, __PRETTY_FUNCTION__)); | |||
| 1577 | assert(!InstantiatedFromUnnamedFieldDecl[Inst] &&((!InstantiatedFromUnnamedFieldDecl[Inst] && "Already noted what unnamed field was instantiated from" ) ? static_cast<void> (0) : __assert_fail ("!InstantiatedFromUnnamedFieldDecl[Inst] && \"Already noted what unnamed field was instantiated from\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1578, __PRETTY_FUNCTION__)) | |||
| 1578 | "Already noted what unnamed field was instantiated from")((!InstantiatedFromUnnamedFieldDecl[Inst] && "Already noted what unnamed field was instantiated from" ) ? static_cast<void> (0) : __assert_fail ("!InstantiatedFromUnnamedFieldDecl[Inst] && \"Already noted what unnamed field was instantiated from\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1578, __PRETTY_FUNCTION__)); | |||
| 1579 | ||||
| 1580 | InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; | |||
| 1581 | } | |||
| 1582 | ||||
| 1583 | ASTContext::overridden_cxx_method_iterator | |||
| 1584 | ASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { | |||
| 1585 | return overridden_methods(Method).begin(); | |||
| 1586 | } | |||
| 1587 | ||||
| 1588 | ASTContext::overridden_cxx_method_iterator | |||
| 1589 | ASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { | |||
| 1590 | return overridden_methods(Method).end(); | |||
| 1591 | } | |||
| 1592 | ||||
| 1593 | unsigned | |||
| 1594 | ASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { | |||
| 1595 | auto Range = overridden_methods(Method); | |||
| 1596 | return Range.end() - Range.begin(); | |||
| 1597 | } | |||
| 1598 | ||||
| 1599 | ASTContext::overridden_method_range | |||
| 1600 | ASTContext::overridden_methods(const CXXMethodDecl *Method) const { | |||
| 1601 | llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos = | |||
| 1602 | OverriddenMethods.find(Method->getCanonicalDecl()); | |||
| 1603 | if (Pos == OverriddenMethods.end()) | |||
| 1604 | return overridden_method_range(nullptr, nullptr); | |||
| 1605 | return overridden_method_range(Pos->second.begin(), Pos->second.end()); | |||
| 1606 | } | |||
| 1607 | ||||
| 1608 | void ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, | |||
| 1609 | const CXXMethodDecl *Overridden) { | |||
| 1610 | assert(Method->isCanonicalDecl() && Overridden->isCanonicalDecl())((Method->isCanonicalDecl() && Overridden->isCanonicalDecl ()) ? static_cast<void> (0) : __assert_fail ("Method->isCanonicalDecl() && Overridden->isCanonicalDecl()" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1610, __PRETTY_FUNCTION__)); | |||
| 1611 | OverriddenMethods[Method].push_back(Overridden); | |||
| 1612 | } | |||
| 1613 | ||||
| 1614 | void ASTContext::getOverriddenMethods( | |||
| 1615 | const NamedDecl *D, | |||
| 1616 | SmallVectorImpl<const NamedDecl *> &Overridden) const { | |||
| 1617 | assert(D)((D) ? static_cast<void> (0) : __assert_fail ("D", "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1617, __PRETTY_FUNCTION__)); | |||
| 1618 | ||||
| 1619 | if (const auto *CXXMethod = dyn_cast<CXXMethodDecl>(D)) { | |||
| 1620 | Overridden.append(overridden_methods_begin(CXXMethod), | |||
| 1621 | overridden_methods_end(CXXMethod)); | |||
| 1622 | return; | |||
| 1623 | } | |||
| 1624 | ||||
| 1625 | const auto *Method = dyn_cast<ObjCMethodDecl>(D); | |||
| 1626 | if (!Method) | |||
| 1627 | return; | |||
| 1628 | ||||
| 1629 | SmallVector<const ObjCMethodDecl *, 8> OverDecls; | |||
| 1630 | Method->getOverriddenMethods(OverDecls); | |||
| 1631 | Overridden.append(OverDecls.begin(), OverDecls.end()); | |||
| 1632 | } | |||
| 1633 | ||||
| 1634 | void ASTContext::addedLocalImportDecl(ImportDecl *Import) { | |||
| 1635 | assert(!Import->getNextLocalImport() &&((!Import->getNextLocalImport() && "Import declaration already in the chain" ) ? static_cast<void> (0) : __assert_fail ("!Import->getNextLocalImport() && \"Import declaration already in the chain\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1636, __PRETTY_FUNCTION__)) | |||
| 1636 | "Import declaration already in the chain")((!Import->getNextLocalImport() && "Import declaration already in the chain" ) ? static_cast<void> (0) : __assert_fail ("!Import->getNextLocalImport() && \"Import declaration already in the chain\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1636, __PRETTY_FUNCTION__)); | |||
| 1637 | assert(!Import->isFromASTFile() && "Non-local import declaration")((!Import->isFromASTFile() && "Non-local import declaration" ) ? static_cast<void> (0) : __assert_fail ("!Import->isFromASTFile() && \"Non-local import declaration\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1637, __PRETTY_FUNCTION__)); | |||
| 1638 | if (!FirstLocalImport) { | |||
| 1639 | FirstLocalImport = Import; | |||
| 1640 | LastLocalImport = Import; | |||
| 1641 | return; | |||
| 1642 | } | |||
| 1643 | ||||
| 1644 | LastLocalImport->setNextLocalImport(Import); | |||
| 1645 | LastLocalImport = Import; | |||
| 1646 | } | |||
| 1647 | ||||
| 1648 | //===----------------------------------------------------------------------===// | |||
| 1649 | // Type Sizing and Analysis | |||
| 1650 | //===----------------------------------------------------------------------===// | |||
| 1651 | ||||
| 1652 | /// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified | |||
| 1653 | /// scalar floating point type. | |||
| 1654 | const llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { | |||
| 1655 | switch (T->castAs<BuiltinType>()->getKind()) { | |||
| 1656 | default: | |||
| 1657 | llvm_unreachable("Not a floating point type!")::llvm::llvm_unreachable_internal("Not a floating point type!" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1657); | |||
| 1658 | case BuiltinType::BFloat16: | |||
| 1659 | return Target->getBFloat16Format(); | |||
| 1660 | case BuiltinType::Float16: | |||
| 1661 | case BuiltinType::Half: | |||
| 1662 | return Target->getHalfFormat(); | |||
| 1663 | case BuiltinType::Float: return Target->getFloatFormat(); | |||
| 1664 | case BuiltinType::Double: return Target->getDoubleFormat(); | |||
| 1665 | case BuiltinType::LongDouble: | |||
| 1666 | if (getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice) | |||
| 1667 | return AuxTarget->getLongDoubleFormat(); | |||
| 1668 | return Target->getLongDoubleFormat(); | |||
| 1669 | case BuiltinType::Float128: | |||
| 1670 | if (getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice) | |||
| 1671 | return AuxTarget->getFloat128Format(); | |||
| 1672 | return Target->getFloat128Format(); | |||
| 1673 | } | |||
| 1674 | } | |||
| 1675 | ||||
| 1676 | CharUnits ASTContext::getDeclAlign(const Decl *D, bool ForAlignof) const { | |||
| 1677 | unsigned Align = Target->getCharWidth(); | |||
| 1678 | ||||
| 1679 | bool UseAlignAttrOnly = false; | |||
| 1680 | if (unsigned AlignFromAttr = D->getMaxAlignment()) { | |||
| 1681 | Align = AlignFromAttr; | |||
| 1682 | ||||
| 1683 | // __attribute__((aligned)) can increase or decrease alignment | |||
| 1684 | // *except* on a struct or struct member, where it only increases | |||
| 1685 | // alignment unless 'packed' is also specified. | |||
| 1686 | // | |||
| 1687 | // It is an error for alignas to decrease alignment, so we can | |||
| 1688 | // ignore that possibility; Sema should diagnose it. | |||
| 1689 | if (isa<FieldDecl>(D)) { | |||
| 1690 | UseAlignAttrOnly = D->hasAttr<PackedAttr>() || | |||
| 1691 | cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); | |||
| 1692 | } else { | |||
| 1693 | UseAlignAttrOnly = true; | |||
| 1694 | } | |||
| 1695 | } | |||
| 1696 | else if (isa<FieldDecl>(D)) | |||
| 1697 | UseAlignAttrOnly = | |||
| 1698 | D->hasAttr<PackedAttr>() || | |||
| 1699 | cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); | |||
| 1700 | ||||
| 1701 | // If we're using the align attribute only, just ignore everything | |||
| 1702 | // else about the declaration and its type. | |||
| 1703 | if (UseAlignAttrOnly) { | |||
| 1704 | // do nothing | |||
| 1705 | } else if (const auto *VD = dyn_cast<ValueDecl>(D)) { | |||
| 1706 | QualType T = VD->getType(); | |||
| 1707 | if (const auto *RT = T->getAs<ReferenceType>()) { | |||
| 1708 | if (ForAlignof) | |||
| 1709 | T = RT->getPointeeType(); | |||
| 1710 | else | |||
| 1711 | T = getPointerType(RT->getPointeeType()); | |||
| 1712 | } | |||
| 1713 | QualType BaseT = getBaseElementType(T); | |||
| 1714 | if (T->isFunctionType()) | |||
| 1715 | Align = getTypeInfoImpl(T.getTypePtr()).Align; | |||
| 1716 | else if (!BaseT->isIncompleteType()) { | |||
| 1717 | // Adjust alignments of declarations with array type by the | |||
| 1718 | // large-array alignment on the target. | |||
| 1719 | if (const ArrayType *arrayType = getAsArrayType(T)) { | |||
| 1720 | unsigned MinWidth = Target->getLargeArrayMinWidth(); | |||
| 1721 | if (!ForAlignof && MinWidth) { | |||
| 1722 | if (isa<VariableArrayType>(arrayType)) | |||
| 1723 | Align = std::max(Align, Target->getLargeArrayAlign()); | |||
| 1724 | else if (isa<ConstantArrayType>(arrayType) && | |||
| 1725 | MinWidth <= getTypeSize(cast<ConstantArrayType>(arrayType))) | |||
| 1726 | Align = std::max(Align, Target->getLargeArrayAlign()); | |||
| 1727 | } | |||
| 1728 | } | |||
| 1729 | Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); | |||
| 1730 | if (BaseT.getQualifiers().hasUnaligned()) | |||
| 1731 | Align = Target->getCharWidth(); | |||
| 1732 | if (const auto *VD = dyn_cast<VarDecl>(D)) { | |||
| 1733 | if (VD->hasGlobalStorage() && !ForAlignof) { | |||
| 1734 | uint64_t TypeSize = getTypeSize(T.getTypePtr()); | |||
| 1735 | Align = std::max(Align, getTargetInfo().getMinGlobalAlign(TypeSize)); | |||
| 1736 | } | |||
| 1737 | } | |||
| 1738 | } | |||
| 1739 | ||||
| 1740 | // Fields can be subject to extra alignment constraints, like if | |||
| 1741 | // the field is packed, the struct is packed, or the struct has a | |||
| 1742 | // a max-field-alignment constraint (#pragma pack). So calculate | |||
| 1743 | // the actual alignment of the field within the struct, and then | |||
| 1744 | // (as we're expected to) constrain that by the alignment of the type. | |||
| 1745 | if (const auto *Field = dyn_cast<FieldDecl>(VD)) { | |||
| 1746 | const RecordDecl *Parent = Field->getParent(); | |||
| 1747 | // We can only produce a sensible answer if the record is valid. | |||
| 1748 | if (!Parent->isInvalidDecl()) { | |||
| 1749 | const ASTRecordLayout &Layout = getASTRecordLayout(Parent); | |||
| 1750 | ||||
| 1751 | // Start with the record's overall alignment. | |||
| 1752 | unsigned FieldAlign = toBits(Layout.getAlignment()); | |||
| 1753 | ||||
| 1754 | // Use the GCD of that and the offset within the record. | |||
| 1755 | uint64_t Offset = Layout.getFieldOffset(Field->getFieldIndex()); | |||
| 1756 | if (Offset > 0) { | |||
| 1757 | // Alignment is always a power of 2, so the GCD will be a power of 2, | |||
| 1758 | // which means we get to do this crazy thing instead of Euclid's. | |||
| 1759 | uint64_t LowBitOfOffset = Offset & (~Offset + 1); | |||
| 1760 | if (LowBitOfOffset < FieldAlign) | |||
| 1761 | FieldAlign = static_cast<unsigned>(LowBitOfOffset); | |||
| 1762 | } | |||
| 1763 | ||||
| 1764 | Align = std::min(Align, FieldAlign); | |||
| 1765 | } | |||
| 1766 | } | |||
| 1767 | } | |||
| 1768 | ||||
| 1769 | return toCharUnitsFromBits(Align); | |||
| 1770 | } | |||
| 1771 | ||||
| 1772 | CharUnits ASTContext::getExnObjectAlignment() const { | |||
| 1773 | return toCharUnitsFromBits(Target->getExnObjectAlignment()); | |||
| 1774 | } | |||
| 1775 | ||||
| 1776 | // getTypeInfoDataSizeInChars - Return the size of a type, in | |||
| 1777 | // chars. If the type is a record, its data size is returned. This is | |||
| 1778 | // the size of the memcpy that's performed when assigning this type | |||
| 1779 | // using a trivial copy/move assignment operator. | |||
| 1780 | std::pair<CharUnits, CharUnits> | |||
| 1781 | ASTContext::getTypeInfoDataSizeInChars(QualType T) const { | |||
| 1782 | std::pair<CharUnits, CharUnits> sizeAndAlign = getTypeInfoInChars(T); | |||
| 1783 | ||||
| 1784 | // In C++, objects can sometimes be allocated into the tail padding | |||
| 1785 | // of a base-class subobject. We decide whether that's possible | |||
| 1786 | // during class layout, so here we can just trust the layout results. | |||
| 1787 | if (getLangOpts().CPlusPlus) { | |||
| 1788 | if (const auto *RT = T->getAs<RecordType>()) { | |||
| 1789 | const ASTRecordLayout &layout = getASTRecordLayout(RT->getDecl()); | |||
| 1790 | sizeAndAlign.first = layout.getDataSize(); | |||
| 1791 | } | |||
| 1792 | } | |||
| 1793 | ||||
| 1794 | return sizeAndAlign; | |||
| 1795 | } | |||
| 1796 | ||||
| 1797 | /// getConstantArrayInfoInChars - Performing the computation in CharUnits | |||
| 1798 | /// instead of in bits prevents overflowing the uint64_t for some large arrays. | |||
| 1799 | std::pair<CharUnits, CharUnits> | |||
| 1800 | static getConstantArrayInfoInChars(const ASTContext &Context, | |||
| 1801 | const ConstantArrayType *CAT) { | |||
| 1802 | std::pair<CharUnits, CharUnits> EltInfo = | |||
| 1803 | Context.getTypeInfoInChars(CAT->getElementType()); | |||
| 1804 | uint64_t Size = CAT->getSize().getZExtValue(); | |||
| 1805 | assert((Size == 0 || static_cast<uint64_t>(EltInfo.first.getQuantity()) <=(((Size == 0 || static_cast<uint64_t>(EltInfo.first.getQuantity ()) <= (uint64_t)(-1)/Size) && "Overflow in array type char size evaluation" ) ? static_cast<void> (0) : __assert_fail ("(Size == 0 || static_cast<uint64_t>(EltInfo.first.getQuantity()) <= (uint64_t)(-1)/Size) && \"Overflow in array type char size evaluation\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1807, __PRETTY_FUNCTION__)) | |||
| 1806 | (uint64_t)(-1)/Size) &&(((Size == 0 || static_cast<uint64_t>(EltInfo.first.getQuantity ()) <= (uint64_t)(-1)/Size) && "Overflow in array type char size evaluation" ) ? static_cast<void> (0) : __assert_fail ("(Size == 0 || static_cast<uint64_t>(EltInfo.first.getQuantity()) <= (uint64_t)(-1)/Size) && \"Overflow in array type char size evaluation\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1807, __PRETTY_FUNCTION__)) | |||
| 1807 | "Overflow in array type char size evaluation")(((Size == 0 || static_cast<uint64_t>(EltInfo.first.getQuantity ()) <= (uint64_t)(-1)/Size) && "Overflow in array type char size evaluation" ) ? static_cast<void> (0) : __assert_fail ("(Size == 0 || static_cast<uint64_t>(EltInfo.first.getQuantity()) <= (uint64_t)(-1)/Size) && \"Overflow in array type char size evaluation\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1807, __PRETTY_FUNCTION__)); | |||
| 1808 | uint64_t Width = EltInfo.first.getQuantity() * Size; | |||
| 1809 | unsigned Align = EltInfo.second.getQuantity(); | |||
| 1810 | if (!Context.getTargetInfo().getCXXABI().isMicrosoft() || | |||
| 1811 | Context.getTargetInfo().getPointerWidth(0) == 64) | |||
| 1812 | Width = llvm::alignTo(Width, Align); | |||
| 1813 | return std::make_pair(CharUnits::fromQuantity(Width), | |||
| 1814 | CharUnits::fromQuantity(Align)); | |||
| 1815 | } | |||
| 1816 | ||||
| 1817 | std::pair<CharUnits, CharUnits> | |||
| 1818 | ASTContext::getTypeInfoInChars(const Type *T) const { | |||
| 1819 | if (const auto *CAT = dyn_cast<ConstantArrayType>(T)) | |||
| 1820 | return getConstantArrayInfoInChars(*this, CAT); | |||
| 1821 | TypeInfo Info = getTypeInfo(T); | |||
| 1822 | return std::make_pair(toCharUnitsFromBits(Info.Width), | |||
| 1823 | toCharUnitsFromBits(Info.Align)); | |||
| 1824 | } | |||
| 1825 | ||||
| 1826 | std::pair<CharUnits, CharUnits> | |||
| 1827 | ASTContext::getTypeInfoInChars(QualType T) const { | |||
| 1828 | return getTypeInfoInChars(T.getTypePtr()); | |||
| 1829 | } | |||
| 1830 | ||||
| 1831 | bool ASTContext::isAlignmentRequired(const Type *T) const { | |||
| 1832 | return getTypeInfo(T).AlignIsRequired; | |||
| 1833 | } | |||
| 1834 | ||||
| 1835 | bool ASTContext::isAlignmentRequired(QualType T) const { | |||
| 1836 | return isAlignmentRequired(T.getTypePtr()); | |||
| 1837 | } | |||
| 1838 | ||||
| 1839 | unsigned ASTContext::getTypeAlignIfKnown(QualType T) const { | |||
| 1840 | // An alignment on a typedef overrides anything else. | |||
| 1841 | if (const auto *TT = T->getAs<TypedefType>()) | |||
| 1842 | if (unsigned Align = TT->getDecl()->getMaxAlignment()) | |||
| 1843 | return Align; | |||
| 1844 | ||||
| 1845 | // If we have an (array of) complete type, we're done. | |||
| 1846 | T = getBaseElementType(T); | |||
| 1847 | if (!T->isIncompleteType()) | |||
| 1848 | return getTypeAlign(T); | |||
| 1849 | ||||
| 1850 | // If we had an array type, its element type might be a typedef | |||
| 1851 | // type with an alignment attribute. | |||
| 1852 | if (const auto *TT = T->getAs<TypedefType>()) | |||
| 1853 | if (unsigned Align = TT->getDecl()->getMaxAlignment()) | |||
| 1854 | return Align; | |||
| 1855 | ||||
| 1856 | // Otherwise, see if the declaration of the type had an attribute. | |||
| 1857 | if (const auto *TT = T->getAs<TagType>()) | |||
| 1858 | return TT->getDecl()->getMaxAlignment(); | |||
| 1859 | ||||
| 1860 | return 0; | |||
| 1861 | } | |||
| 1862 | ||||
| 1863 | TypeInfo ASTContext::getTypeInfo(const Type *T) const { | |||
| 1864 | TypeInfoMap::iterator I = MemoizedTypeInfo.find(T); | |||
| 1865 | if (I != MemoizedTypeInfo.end()) | |||
| 1866 | return I->second; | |||
| 1867 | ||||
| 1868 | // This call can invalidate MemoizedTypeInfo[T], so we need a second lookup. | |||
| 1869 | TypeInfo TI = getTypeInfoImpl(T); | |||
| 1870 | MemoizedTypeInfo[T] = TI; | |||
| 1871 | return TI; | |||
| 1872 | } | |||
| 1873 | ||||
| 1874 | /// getTypeInfoImpl - Return the size of the specified type, in bits. This | |||
| 1875 | /// method does not work on incomplete types. | |||
| 1876 | /// | |||
| 1877 | /// FIXME: Pointers into different addr spaces could have different sizes and | |||
| 1878 | /// alignment requirements: getPointerInfo should take an AddrSpace, this | |||
| 1879 | /// should take a QualType, &c. | |||
| 1880 | TypeInfo ASTContext::getTypeInfoImpl(const Type *T) const { | |||
| 1881 | uint64_t Width = 0; | |||
| 1882 | unsigned Align = 8; | |||
| 1883 | bool AlignIsRequired = false; | |||
| 1884 | unsigned AS = 0; | |||
| 1885 | switch (T->getTypeClass()) { | |||
| 1886 | #define TYPE(Class, Base) | |||
| 1887 | #define ABSTRACT_TYPE(Class, Base) | |||
| 1888 | #define NON_CANONICAL_TYPE(Class, Base) | |||
| 1889 | #define DEPENDENT_TYPE(Class, Base) case Type::Class: | |||
| 1890 | #define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) \ | |||
| 1891 | case Type::Class: \ | |||
| 1892 | assert(!T->isDependentType() && "should not see dependent types here")((!T->isDependentType() && "should not see dependent types here" ) ? static_cast<void> (0) : __assert_fail ("!T->isDependentType() && \"should not see dependent types here\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1892, __PRETTY_FUNCTION__)); \ | |||
| 1893 | return getTypeInfo(cast<Class##Type>(T)->desugar().getTypePtr()); | |||
| 1894 | #include "clang/AST/TypeNodes.inc" | |||
| 1895 | llvm_unreachable("Should not see dependent types")::llvm::llvm_unreachable_internal("Should not see dependent types" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1895); | |||
| 1896 | ||||
| 1897 | case Type::FunctionNoProto: | |||
| 1898 | case Type::FunctionProto: | |||
| 1899 | // GCC extension: alignof(function) = 32 bits | |||
| 1900 | Width = 0; | |||
| 1901 | Align = 32; | |||
| 1902 | break; | |||
| 1903 | ||||
| 1904 | case Type::IncompleteArray: | |||
| 1905 | case Type::VariableArray: | |||
| 1906 | case Type::ConstantArray: { | |||
| 1907 | // Model non-constant sized arrays as size zero, but track the alignment. | |||
| 1908 | uint64_t Size = 0; | |||
| 1909 | if (const auto *CAT = dyn_cast<ConstantArrayType>(T)) | |||
| 1910 | Size = CAT->getSize().getZExtValue(); | |||
| 1911 | ||||
| 1912 | TypeInfo EltInfo = getTypeInfo(cast<ArrayType>(T)->getElementType()); | |||
| 1913 | assert((Size == 0 || EltInfo.Width <= (uint64_t)(-1) / Size) &&(((Size == 0 || EltInfo.Width <= (uint64_t)(-1) / Size) && "Overflow in array type bit size evaluation") ? static_cast< void> (0) : __assert_fail ("(Size == 0 || EltInfo.Width <= (uint64_t)(-1) / Size) && \"Overflow in array type bit size evaluation\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1914, __PRETTY_FUNCTION__)) | |||
| 1914 | "Overflow in array type bit size evaluation")(((Size == 0 || EltInfo.Width <= (uint64_t)(-1) / Size) && "Overflow in array type bit size evaluation") ? static_cast< void> (0) : __assert_fail ("(Size == 0 || EltInfo.Width <= (uint64_t)(-1) / Size) && \"Overflow in array type bit size evaluation\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1914, __PRETTY_FUNCTION__)); | |||
| 1915 | Width = EltInfo.Width * Size; | |||
| 1916 | Align = EltInfo.Align; | |||
| 1917 | AlignIsRequired = EltInfo.AlignIsRequired; | |||
| 1918 | if (!getTargetInfo().getCXXABI().isMicrosoft() || | |||
| 1919 | getTargetInfo().getPointerWidth(0) == 64) | |||
| 1920 | Width = llvm::alignTo(Width, Align); | |||
| 1921 | break; | |||
| 1922 | } | |||
| 1923 | ||||
| 1924 | case Type::ExtVector: | |||
| 1925 | case Type::Vector: { | |||
| 1926 | const auto *VT = cast<VectorType>(T); | |||
| 1927 | TypeInfo EltInfo = getTypeInfo(VT->getElementType()); | |||
| 1928 | Width = EltInfo.Width * VT->getNumElements(); | |||
| 1929 | Align = Width; | |||
| 1930 | // If the alignment is not a power of 2, round up to the next power of 2. | |||
| 1931 | // This happens for non-power-of-2 length vectors. | |||
| 1932 | if (Align & (Align-1)) { | |||
| 1933 | Align = llvm::NextPowerOf2(Align); | |||
| 1934 | Width = llvm::alignTo(Width, Align); | |||
| 1935 | } | |||
| 1936 | // Adjust the alignment based on the target max. | |||
| 1937 | uint64_t TargetVectorAlign = Target->getMaxVectorAlign(); | |||
| 1938 | if (TargetVectorAlign && TargetVectorAlign < Align) | |||
| 1939 | Align = TargetVectorAlign; | |||
| 1940 | if (VT->getVectorKind() == VectorType::SveFixedLengthDataVector) | |||
| 1941 | // Adjust the alignment for fixed-length SVE vectors. This is important | |||
| 1942 | // for non-power-of-2 vector lengths. | |||
| 1943 | Align = 128; | |||
| 1944 | else if (VT->getVectorKind() == VectorType::SveFixedLengthPredicateVector) | |||
| 1945 | // Adjust the alignment for fixed-length SVE predicates. | |||
| 1946 | Align = 16; | |||
| 1947 | break; | |||
| 1948 | } | |||
| 1949 | ||||
| 1950 | case Type::ConstantMatrix: { | |||
| 1951 | const auto *MT = cast<ConstantMatrixType>(T); | |||
| 1952 | TypeInfo ElementInfo = getTypeInfo(MT->getElementType()); | |||
| 1953 | // The internal layout of a matrix value is implementation defined. | |||
| 1954 | // Initially be ABI compatible with arrays with respect to alignment and | |||
| 1955 | // size. | |||
| 1956 | Width = ElementInfo.Width * MT->getNumRows() * MT->getNumColumns(); | |||
| 1957 | Align = ElementInfo.Align; | |||
| 1958 | break; | |||
| 1959 | } | |||
| 1960 | ||||
| 1961 | case Type::Builtin: | |||
| 1962 | switch (cast<BuiltinType>(T)->getKind()) { | |||
| 1963 | default: llvm_unreachable("Unknown builtin type!")::llvm::llvm_unreachable_internal("Unknown builtin type!", "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 1963); | |||
| 1964 | case BuiltinType::Void: | |||
| 1965 | // GCC extension: alignof(void) = 8 bits. | |||
| 1966 | Width = 0; | |||
| 1967 | Align = 8; | |||
| 1968 | break; | |||
| 1969 | case BuiltinType::Bool: | |||
| 1970 | Width = Target->getBoolWidth(); | |||
| 1971 | Align = Target->getBoolAlign(); | |||
| 1972 | break; | |||
| 1973 | case BuiltinType::Char_S: | |||
| 1974 | case BuiltinType::Char_U: | |||
| 1975 | case BuiltinType::UChar: | |||
| 1976 | case BuiltinType::SChar: | |||
| 1977 | case BuiltinType::Char8: | |||
| 1978 | Width = Target->getCharWidth(); | |||
| 1979 | Align = Target->getCharAlign(); | |||
| 1980 | break; | |||
| 1981 | case BuiltinType::WChar_S: | |||
| 1982 | case BuiltinType::WChar_U: | |||
| 1983 | Width = Target->getWCharWidth(); | |||
| 1984 | Align = Target->getWCharAlign(); | |||
| 1985 | break; | |||
| 1986 | case BuiltinType::Char16: | |||
| 1987 | Width = Target->getChar16Width(); | |||
| 1988 | Align = Target->getChar16Align(); | |||
| 1989 | break; | |||
| 1990 | case BuiltinType::Char32: | |||
| 1991 | Width = Target->getChar32Width(); | |||
| 1992 | Align = Target->getChar32Align(); | |||
| 1993 | break; | |||
| 1994 | case BuiltinType::UShort: | |||
| 1995 | case BuiltinType::Short: | |||
| 1996 | Width = Target->getShortWidth(); | |||
| 1997 | Align = Target->getShortAlign(); | |||
| 1998 | break; | |||
| 1999 | case BuiltinType::UInt: | |||
| 2000 | case BuiltinType::Int: | |||
| 2001 | Width = Target->getIntWidth(); | |||
| 2002 | Align = Target->getIntAlign(); | |||
| 2003 | break; | |||
| 2004 | case BuiltinType::ULong: | |||
| 2005 | case BuiltinType::Long: | |||
| 2006 | Width = Target->getLongWidth(); | |||
| 2007 | Align = Target->getLongAlign(); | |||
| 2008 | break; | |||
| 2009 | case BuiltinType::ULongLong: | |||
| 2010 | case BuiltinType::LongLong: | |||
| 2011 | Width = Target->getLongLongWidth(); | |||
| 2012 | Align = Target->getLongLongAlign(); | |||
| 2013 | break; | |||
| 2014 | case BuiltinType::Int128: | |||
| 2015 | case BuiltinType::UInt128: | |||
| 2016 | Width = 128; | |||
| 2017 | Align = 128; // int128_t is 128-bit aligned on all targets. | |||
| 2018 | break; | |||
| 2019 | case BuiltinType::ShortAccum: | |||
| 2020 | case BuiltinType::UShortAccum: | |||
| 2021 | case BuiltinType::SatShortAccum: | |||
| 2022 | case BuiltinType::SatUShortAccum: | |||
| 2023 | Width = Target->getShortAccumWidth(); | |||
| 2024 | Align = Target->getShortAccumAlign(); | |||
| 2025 | break; | |||
| 2026 | case BuiltinType::Accum: | |||
| 2027 | case BuiltinType::UAccum: | |||
| 2028 | case BuiltinType::SatAccum: | |||
| 2029 | case BuiltinType::SatUAccum: | |||
| 2030 | Width = Target->getAccumWidth(); | |||
| 2031 | Align = Target->getAccumAlign(); | |||
| 2032 | break; | |||
| 2033 | case BuiltinType::LongAccum: | |||
| 2034 | case BuiltinType::ULongAccum: | |||
| 2035 | case BuiltinType::SatLongAccum: | |||
| 2036 | case BuiltinType::SatULongAccum: | |||
| 2037 | Width = Target->getLongAccumWidth(); | |||
| 2038 | Align = Target->getLongAccumAlign(); | |||
| 2039 | break; | |||
| 2040 | case BuiltinType::ShortFract: | |||
| 2041 | case BuiltinType::UShortFract: | |||
| 2042 | case BuiltinType::SatShortFract: | |||
| 2043 | case BuiltinType::SatUShortFract: | |||
| 2044 | Width = Target->getShortFractWidth(); | |||
| 2045 | Align = Target->getShortFractAlign(); | |||
| 2046 | break; | |||
| 2047 | case BuiltinType::Fract: | |||
| 2048 | case BuiltinType::UFract: | |||
| 2049 | case BuiltinType::SatFract: | |||
| 2050 | case BuiltinType::SatUFract: | |||
| 2051 | Width = Target->getFractWidth(); | |||
| 2052 | Align = Target->getFractAlign(); | |||
| 2053 | break; | |||
| 2054 | case BuiltinType::LongFract: | |||
| 2055 | case BuiltinType::ULongFract: | |||
| 2056 | case BuiltinType::SatLongFract: | |||
| 2057 | case BuiltinType::SatULongFract: | |||
| 2058 | Width = Target->getLongFractWidth(); | |||
| 2059 | Align = Target->getLongFractAlign(); | |||
| 2060 | break; | |||
| 2061 | case BuiltinType::BFloat16: | |||
| 2062 | Width = Target->getBFloat16Width(); | |||
| 2063 | Align = Target->getBFloat16Align(); | |||
| 2064 | break; | |||
| 2065 | case BuiltinType::Float16: | |||
| 2066 | case BuiltinType::Half: | |||
| 2067 | if (Target->hasFloat16Type() || !getLangOpts().OpenMP || | |||
| 2068 | !getLangOpts().OpenMPIsDevice) { | |||
| 2069 | Width = Target->getHalfWidth(); | |||
| 2070 | Align = Target->getHalfAlign(); | |||
| 2071 | } else { | |||
| 2072 | assert(getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice &&((getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast <void> (0) : __assert_fail ("getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2073, __PRETTY_FUNCTION__)) | |||
| 2073 | "Expected OpenMP device compilation.")((getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast <void> (0) : __assert_fail ("getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2073, __PRETTY_FUNCTION__)); | |||
| 2074 | Width = AuxTarget->getHalfWidth(); | |||
| 2075 | Align = AuxTarget->getHalfAlign(); | |||
| 2076 | } | |||
| 2077 | break; | |||
| 2078 | case BuiltinType::Float: | |||
| 2079 | Width = Target->getFloatWidth(); | |||
| 2080 | Align = Target->getFloatAlign(); | |||
| 2081 | break; | |||
| 2082 | case BuiltinType::Double: | |||
| 2083 | Width = Target->getDoubleWidth(); | |||
| 2084 | Align = Target->getDoubleAlign(); | |||
| 2085 | break; | |||
| 2086 | case BuiltinType::LongDouble: | |||
| 2087 | if (getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && | |||
| 2088 | (Target->getLongDoubleWidth() != AuxTarget->getLongDoubleWidth() || | |||
| 2089 | Target->getLongDoubleAlign() != AuxTarget->getLongDoubleAlign())) { | |||
| 2090 | Width = AuxTarget->getLongDoubleWidth(); | |||
| 2091 | Align = AuxTarget->getLongDoubleAlign(); | |||
| 2092 | } else { | |||
| 2093 | Width = Target->getLongDoubleWidth(); | |||
| 2094 | Align = Target->getLongDoubleAlign(); | |||
| 2095 | } | |||
| 2096 | break; | |||
| 2097 | case BuiltinType::Float128: | |||
| 2098 | if (Target->hasFloat128Type() || !getLangOpts().OpenMP || | |||
| 2099 | !getLangOpts().OpenMPIsDevice) { | |||
| 2100 | Width = Target->getFloat128Width(); | |||
| 2101 | Align = Target->getFloat128Align(); | |||
| 2102 | } else { | |||
| 2103 | assert(getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice &&((getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast <void> (0) : __assert_fail ("getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2104, __PRETTY_FUNCTION__)) | |||
| 2104 | "Expected OpenMP device compilation.")((getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast <void> (0) : __assert_fail ("getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2104, __PRETTY_FUNCTION__)); | |||
| 2105 | Width = AuxTarget->getFloat128Width(); | |||
| 2106 | Align = AuxTarget->getFloat128Align(); | |||
| 2107 | } | |||
| 2108 | break; | |||
| 2109 | case BuiltinType::NullPtr: | |||
| 2110 | Width = Target->getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) | |||
| 2111 | Align = Target->getPointerAlign(0); // == sizeof(void*) | |||
| 2112 | break; | |||
| 2113 | case BuiltinType::ObjCId: | |||
| 2114 | case BuiltinType::ObjCClass: | |||
| 2115 | case BuiltinType::ObjCSel: | |||
| 2116 | Width = Target->getPointerWidth(0); | |||
| 2117 | Align = Target->getPointerAlign(0); | |||
| 2118 | break; | |||
| 2119 | case BuiltinType::OCLSampler: | |||
| 2120 | case BuiltinType::OCLEvent: | |||
| 2121 | case BuiltinType::OCLClkEvent: | |||
| 2122 | case BuiltinType::OCLQueue: | |||
| 2123 | case BuiltinType::OCLReserveID: | |||
| 2124 | #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \ | |||
| 2125 | case BuiltinType::Id: | |||
| 2126 | #include "clang/Basic/OpenCLImageTypes.def" | |||
| 2127 | #define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \ | |||
| 2128 | case BuiltinType::Id: | |||
| 2129 | #include "clang/Basic/OpenCLExtensionTypes.def" | |||
| 2130 | AS = getTargetAddressSpace( | |||
| 2131 | Target->getOpenCLTypeAddrSpace(getOpenCLTypeKind(T))); | |||
| 2132 | Width = Target->getPointerWidth(AS); | |||
| 2133 | Align = Target->getPointerAlign(AS); | |||
| 2134 | break; | |||
| 2135 | // The SVE types are effectively target-specific. The length of an | |||
| 2136 | // SVE_VECTOR_TYPE is only known at runtime, but it is always a multiple | |||
| 2137 | // of 128 bits. There is one predicate bit for each vector byte, so the | |||
| 2138 | // length of an SVE_PREDICATE_TYPE is always a multiple of 16 bits. | |||
| 2139 | // | |||
| 2140 | // Because the length is only known at runtime, we use a dummy value | |||
| 2141 | // of 0 for the static length. The alignment values are those defined | |||
| 2142 | // by the Procedure Call Standard for the Arm Architecture. | |||
| 2143 | #define SVE_VECTOR_TYPE(Name, MangledName, Id, SingletonId, NumEls, ElBits, \ | |||
| 2144 | IsSigned, IsFP, IsBF) \ | |||
| 2145 | case BuiltinType::Id: \ | |||
| 2146 | Width = 0; \ | |||
| 2147 | Align = 128; \ | |||
| 2148 | break; | |||
| 2149 | #define SVE_PREDICATE_TYPE(Name, MangledName, Id, SingletonId, NumEls) \ | |||
| 2150 | case BuiltinType::Id: \ | |||
| 2151 | Width = 0; \ | |||
| 2152 | Align = 16; \ | |||
| 2153 | break; | |||
| 2154 | #include "clang/Basic/AArch64SVEACLETypes.def" | |||
| 2155 | } | |||
| 2156 | break; | |||
| 2157 | case Type::ObjCObjectPointer: | |||
| 2158 | Width = Target->getPointerWidth(0); | |||
| 2159 | Align = Target->getPointerAlign(0); | |||
| 2160 | break; | |||
| 2161 | case Type::BlockPointer: | |||
| 2162 | AS = getTargetAddressSpace(cast<BlockPointerType>(T)->getPointeeType()); | |||
| 2163 | Width = Target->getPointerWidth(AS); | |||
| 2164 | Align = Target->getPointerAlign(AS); | |||
| 2165 | break; | |||
| 2166 | case Type::LValueReference: | |||
| 2167 | case Type::RValueReference: | |||
| 2168 | // alignof and sizeof should never enter this code path here, so we go | |||
| 2169 | // the pointer route. | |||
| 2170 | AS = getTargetAddressSpace(cast<ReferenceType>(T)->getPointeeType()); | |||
| 2171 | Width = Target->getPointerWidth(AS); | |||
| 2172 | Align = Target->getPointerAlign(AS); | |||
| 2173 | break; | |||
| 2174 | case Type::Pointer: | |||
| 2175 | AS = getTargetAddressSpace(cast<PointerType>(T)->getPointeeType()); | |||
| 2176 | Width = Target->getPointerWidth(AS); | |||
| 2177 | Align = Target->getPointerAlign(AS); | |||
| 2178 | break; | |||
| 2179 | case Type::MemberPointer: { | |||
| 2180 | const auto *MPT = cast<MemberPointerType>(T); | |||
| 2181 | CXXABI::MemberPointerInfo MPI = ABI->getMemberPointerInfo(MPT); | |||
| 2182 | Width = MPI.Width; | |||
| 2183 | Align = MPI.Align; | |||
| 2184 | break; | |||
| 2185 | } | |||
| 2186 | case Type::Complex: { | |||
| 2187 | // Complex types have the same alignment as their elements, but twice the | |||
| 2188 | // size. | |||
| 2189 | TypeInfo EltInfo = getTypeInfo(cast<ComplexType>(T)->getElementType()); | |||
| 2190 | Width = EltInfo.Width * 2; | |||
| 2191 | Align = EltInfo.Align; | |||
| 2192 | break; | |||
| 2193 | } | |||
| 2194 | case Type::ObjCObject: | |||
| 2195 | return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); | |||
| 2196 | case Type::Adjusted: | |||
| 2197 | case Type::Decayed: | |||
| 2198 | return getTypeInfo(cast<AdjustedType>(T)->getAdjustedType().getTypePtr()); | |||
| 2199 | case Type::ObjCInterface: { | |||
| 2200 | const auto *ObjCI = cast<ObjCInterfaceType>(T); | |||
| 2201 | if (ObjCI->getDecl()->isInvalidDecl()) { | |||
| 2202 | Width = 8; | |||
| 2203 | Align = 8; | |||
| 2204 | break; | |||
| 2205 | } | |||
| 2206 | const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); | |||
| 2207 | Width = toBits(Layout.getSize()); | |||
| 2208 | Align = toBits(Layout.getAlignment()); | |||
| 2209 | break; | |||
| 2210 | } | |||
| 2211 | case Type::ExtInt: { | |||
| 2212 | const auto *EIT = cast<ExtIntType>(T); | |||
| 2213 | Align = | |||
| 2214 | std::min(static_cast<unsigned>(std::max( | |||
| 2215 | getCharWidth(), llvm::PowerOf2Ceil(EIT->getNumBits()))), | |||
| 2216 | Target->getLongLongAlign()); | |||
| 2217 | Width = llvm::alignTo(EIT->getNumBits(), Align); | |||
| 2218 | break; | |||
| 2219 | } | |||
| 2220 | case Type::Record: | |||
| 2221 | case Type::Enum: { | |||
| 2222 | const auto *TT = cast<TagType>(T); | |||
| 2223 | ||||
| 2224 | if (TT->getDecl()->isInvalidDecl()) { | |||
| 2225 | Width = 8; | |||
| 2226 | Align = 8; | |||
| 2227 | break; | |||
| 2228 | } | |||
| 2229 | ||||
| 2230 | if (const auto *ET = dyn_cast<EnumType>(TT)) { | |||
| 2231 | const EnumDecl *ED = ET->getDecl(); | |||
| 2232 | TypeInfo Info = | |||
| 2233 | getTypeInfo(ED->getIntegerType()->getUnqualifiedDesugaredType()); | |||
| 2234 | if (unsigned AttrAlign = ED->getMaxAlignment()) { | |||
| 2235 | Info.Align = AttrAlign; | |||
| 2236 | Info.AlignIsRequired = true; | |||
| 2237 | } | |||
| 2238 | return Info; | |||
| 2239 | } | |||
| 2240 | ||||
| 2241 | const auto *RT = cast<RecordType>(TT); | |||
| 2242 | const RecordDecl *RD = RT->getDecl(); | |||
| 2243 | const ASTRecordLayout &Layout = getASTRecordLayout(RD); | |||
| 2244 | Width = toBits(Layout.getSize()); | |||
| 2245 | Align = toBits(Layout.getAlignment()); | |||
| 2246 | AlignIsRequired = RD->hasAttr<AlignedAttr>(); | |||
| 2247 | break; | |||
| 2248 | } | |||
| 2249 | ||||
| 2250 | case Type::SubstTemplateTypeParm: | |||
| 2251 | return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> | |||
| 2252 | getReplacementType().getTypePtr()); | |||
| 2253 | ||||
| 2254 | case Type::Auto: | |||
| 2255 | case Type::DeducedTemplateSpecialization: { | |||
| 2256 | const auto *A = cast<DeducedType>(T); | |||
| 2257 | assert(!A->getDeducedType().isNull() &&((!A->getDeducedType().isNull() && "cannot request the size of an undeduced or dependent auto type" ) ? static_cast<void> (0) : __assert_fail ("!A->getDeducedType().isNull() && \"cannot request the size of an undeduced or dependent auto type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2258, __PRETTY_FUNCTION__)) | |||
| 2258 | "cannot request the size of an undeduced or dependent auto type")((!A->getDeducedType().isNull() && "cannot request the size of an undeduced or dependent auto type" ) ? static_cast<void> (0) : __assert_fail ("!A->getDeducedType().isNull() && \"cannot request the size of an undeduced or dependent auto type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2258, __PRETTY_FUNCTION__)); | |||
| 2259 | return getTypeInfo(A->getDeducedType().getTypePtr()); | |||
| 2260 | } | |||
| 2261 | ||||
| 2262 | case Type::Paren: | |||
| 2263 | return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); | |||
| 2264 | ||||
| 2265 | case Type::MacroQualified: | |||
| 2266 | return getTypeInfo( | |||
| 2267 | cast<MacroQualifiedType>(T)->getUnderlyingType().getTypePtr()); | |||
| 2268 | ||||
| 2269 | case Type::ObjCTypeParam: | |||
| 2270 | return getTypeInfo(cast<ObjCTypeParamType>(T)->desugar().getTypePtr()); | |||
| 2271 | ||||
| 2272 | case Type::Typedef: { | |||
| 2273 | const TypedefNameDecl *Typedef = cast<TypedefType>(T)->getDecl(); | |||
| 2274 | TypeInfo Info = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); | |||
| 2275 | // If the typedef has an aligned attribute on it, it overrides any computed | |||
| 2276 | // alignment we have. This violates the GCC documentation (which says that | |||
| 2277 | // attribute(aligned) can only round up) but matches its implementation. | |||
| 2278 | if (unsigned AttrAlign = Typedef->getMaxAlignment()) { | |||
| 2279 | Align = AttrAlign; | |||
| 2280 | AlignIsRequired = true; | |||
| 2281 | } else { | |||
| 2282 | Align = Info.Align; | |||
| 2283 | AlignIsRequired = Info.AlignIsRequired; | |||
| 2284 | } | |||
| 2285 | Width = Info.Width; | |||
| 2286 | break; | |||
| 2287 | } | |||
| 2288 | ||||
| 2289 | case Type::Elaborated: | |||
| 2290 | return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); | |||
| 2291 | ||||
| 2292 | case Type::Attributed: | |||
| 2293 | return getTypeInfo( | |||
| 2294 | cast<AttributedType>(T)->getEquivalentType().getTypePtr()); | |||
| 2295 | ||||
| 2296 | case Type::Atomic: { | |||
| 2297 | // Start with the base type information. | |||
| 2298 | TypeInfo Info = getTypeInfo(cast<AtomicType>(T)->getValueType()); | |||
| 2299 | Width = Info.Width; | |||
| 2300 | Align = Info.Align; | |||
| 2301 | ||||
| 2302 | if (!Width) { | |||
| 2303 | // An otherwise zero-sized type should still generate an | |||
| 2304 | // atomic operation. | |||
| 2305 | Width = Target->getCharWidth(); | |||
| 2306 | assert(Align)((Align) ? static_cast<void> (0) : __assert_fail ("Align" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2306, __PRETTY_FUNCTION__)); | |||
| 2307 | } else if (Width <= Target->getMaxAtomicPromoteWidth()) { | |||
| 2308 | // If the size of the type doesn't exceed the platform's max | |||
| 2309 | // atomic promotion width, make the size and alignment more | |||
| 2310 | // favorable to atomic operations: | |||
| 2311 | ||||
| 2312 | // Round the size up to a power of 2. | |||
| 2313 | if (!llvm::isPowerOf2_64(Width)) | |||
| 2314 | Width = llvm::NextPowerOf2(Width); | |||
| 2315 | ||||
| 2316 | // Set the alignment equal to the size. | |||
| 2317 | Align = static_cast<unsigned>(Width); | |||
| 2318 | } | |||
| 2319 | } | |||
| 2320 | break; | |||
| 2321 | ||||
| 2322 | case Type::Pipe: | |||
| 2323 | Width = Target->getPointerWidth(getTargetAddressSpace(LangAS::opencl_global)); | |||
| 2324 | Align = Target->getPointerAlign(getTargetAddressSpace(LangAS::opencl_global)); | |||
| 2325 | break; | |||
| 2326 | } | |||
| 2327 | ||||
| 2328 | assert(llvm::isPowerOf2_32(Align) && "Alignment must be power of 2")((llvm::isPowerOf2_32(Align) && "Alignment must be power of 2" ) ? static_cast<void> (0) : __assert_fail ("llvm::isPowerOf2_32(Align) && \"Alignment must be power of 2\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2328, __PRETTY_FUNCTION__)); | |||
| 2329 | return TypeInfo(Width, Align, AlignIsRequired); | |||
| 2330 | } | |||
| 2331 | ||||
| 2332 | unsigned ASTContext::getTypeUnadjustedAlign(const Type *T) const { | |||
| 2333 | UnadjustedAlignMap::iterator I = MemoizedUnadjustedAlign.find(T); | |||
| 2334 | if (I != MemoizedUnadjustedAlign.end()) | |||
| 2335 | return I->second; | |||
| 2336 | ||||
| 2337 | unsigned UnadjustedAlign; | |||
| 2338 | if (const auto *RT = T->getAs<RecordType>()) { | |||
| 2339 | const RecordDecl *RD = RT->getDecl(); | |||
| 2340 | const ASTRecordLayout &Layout = getASTRecordLayout(RD); | |||
| 2341 | UnadjustedAlign = toBits(Layout.getUnadjustedAlignment()); | |||
| 2342 | } else if (const auto *ObjCI = T->getAs<ObjCInterfaceType>()) { | |||
| 2343 | const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); | |||
| 2344 | UnadjustedAlign = toBits(Layout.getUnadjustedAlignment()); | |||
| 2345 | } else { | |||
| 2346 | UnadjustedAlign = getTypeAlign(T->getUnqualifiedDesugaredType()); | |||
| 2347 | } | |||
| 2348 | ||||
| 2349 | MemoizedUnadjustedAlign[T] = UnadjustedAlign; | |||
| 2350 | return UnadjustedAlign; | |||
| 2351 | } | |||
| 2352 | ||||
| 2353 | unsigned ASTContext::getOpenMPDefaultSimdAlign(QualType T) const { | |||
| 2354 | unsigned SimdAlign = getTargetInfo().getSimdDefaultAlign(); | |||
| 2355 | // Target ppc64 with QPX: simd default alignment for pointer to double is 32. | |||
| 2356 | if ((getTargetInfo().getTriple().getArch() == llvm::Triple::ppc64 || | |||
| 2357 | getTargetInfo().getTriple().getArch() == llvm::Triple::ppc64le) && | |||
| 2358 | getTargetInfo().getABI() == "elfv1-qpx" && | |||
| 2359 | T->isSpecificBuiltinType(BuiltinType::Double)) | |||
| 2360 | SimdAlign = 256; | |||
| 2361 | return SimdAlign; | |||
| 2362 | } | |||
| 2363 | ||||
| 2364 | /// toCharUnitsFromBits - Convert a size in bits to a size in characters. | |||
| 2365 | CharUnits ASTContext::toCharUnitsFromBits(int64_t BitSize) const { | |||
| 2366 | return CharUnits::fromQuantity(BitSize / getCharWidth()); | |||
| 2367 | } | |||
| 2368 | ||||
| 2369 | /// toBits - Convert a size in characters to a size in characters. | |||
| 2370 | int64_t ASTContext::toBits(CharUnits CharSize) const { | |||
| 2371 | return CharSize.getQuantity() * getCharWidth(); | |||
| 2372 | } | |||
| 2373 | ||||
| 2374 | /// getTypeSizeInChars - Return the size of the specified type, in characters. | |||
| 2375 | /// This method does not work on incomplete types. | |||
| 2376 | CharUnits ASTContext::getTypeSizeInChars(QualType T) const { | |||
| 2377 | return getTypeInfoInChars(T).first; | |||
| 2378 | } | |||
| 2379 | CharUnits ASTContext::getTypeSizeInChars(const Type *T) const { | |||
| 2380 | return getTypeInfoInChars(T).first; | |||
| 2381 | } | |||
| 2382 | ||||
| 2383 | /// getTypeAlignInChars - Return the ABI-specified alignment of a type, in | |||
| 2384 | /// characters. This method does not work on incomplete types. | |||
| 2385 | CharUnits ASTContext::getTypeAlignInChars(QualType T) const { | |||
| 2386 | return toCharUnitsFromBits(getTypeAlign(T)); | |||
| 2387 | } | |||
| 2388 | CharUnits ASTContext::getTypeAlignInChars(const Type *T) const { | |||
| 2389 | return toCharUnitsFromBits(getTypeAlign(T)); | |||
| 2390 | } | |||
| 2391 | ||||
| 2392 | /// getTypeUnadjustedAlignInChars - Return the ABI-specified alignment of a | |||
| 2393 | /// type, in characters, before alignment adustments. This method does | |||
| 2394 | /// not work on incomplete types. | |||
| 2395 | CharUnits ASTContext::getTypeUnadjustedAlignInChars(QualType T) const { | |||
| 2396 | return toCharUnitsFromBits(getTypeUnadjustedAlign(T)); | |||
| 2397 | } | |||
| 2398 | CharUnits ASTContext::getTypeUnadjustedAlignInChars(const Type *T) const { | |||
| 2399 | return toCharUnitsFromBits(getTypeUnadjustedAlign(T)); | |||
| 2400 | } | |||
| 2401 | ||||
| 2402 | /// getPreferredTypeAlign - Return the "preferred" alignment of the specified | |||
| 2403 | /// type for the current target in bits. This can be different than the ABI | |||
| 2404 | /// alignment in cases where it is beneficial for performance or backwards | |||
| 2405 | /// compatibility preserving to overalign a data type. | |||
| 2406 | unsigned ASTContext::getPreferredTypeAlign(const Type *T) const { | |||
| 2407 | TypeInfo TI = getTypeInfo(T); | |||
| 2408 | unsigned ABIAlign = TI.Align; | |||
| 2409 | ||||
| 2410 | T = T->getBaseElementTypeUnsafe(); | |||
| 2411 | ||||
| 2412 | // The preferred alignment of member pointers is that of a pointer. | |||
| 2413 | if (T->isMemberPointerType()) | |||
| 2414 | return getPreferredTypeAlign(getPointerDiffType().getTypePtr()); | |||
| 2415 | ||||
| 2416 | if (!Target->allowsLargerPreferedTypeAlignment()) | |||
| 2417 | return ABIAlign; | |||
| 2418 | ||||
| 2419 | if (const auto *RT = T->getAs<RecordType>()) { | |||
| 2420 | if (TI.AlignIsRequired || RT->getDecl()->isInvalidDecl()) | |||
| 2421 | return ABIAlign; | |||
| 2422 | ||||
| 2423 | unsigned PreferredAlign = static_cast<unsigned>( | |||
| 2424 | toBits(getASTRecordLayout(RT->getDecl()).PreferredAlignment)); | |||
| 2425 | assert(PreferredAlign >= ABIAlign &&((PreferredAlign >= ABIAlign && "PreferredAlign should be at least as large as ABIAlign." ) ? static_cast<void> (0) : __assert_fail ("PreferredAlign >= ABIAlign && \"PreferredAlign should be at least as large as ABIAlign.\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2426, __PRETTY_FUNCTION__)) | |||
| 2426 | "PreferredAlign should be at least as large as ABIAlign.")((PreferredAlign >= ABIAlign && "PreferredAlign should be at least as large as ABIAlign." ) ? static_cast<void> (0) : __assert_fail ("PreferredAlign >= ABIAlign && \"PreferredAlign should be at least as large as ABIAlign.\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2426, __PRETTY_FUNCTION__)); | |||
| 2427 | return PreferredAlign; | |||
| 2428 | } | |||
| 2429 | ||||
| 2430 | // Double (and, for targets supporting AIX `power` alignment, long double) and | |||
| 2431 | // long long should be naturally aligned (despite requiring less alignment) if | |||
| 2432 | // possible. | |||
| 2433 | if (const auto *CT = T->getAs<ComplexType>()) | |||
| 2434 | T = CT->getElementType().getTypePtr(); | |||
| 2435 | if (const auto *ET = T->getAs<EnumType>()) | |||
| 2436 | T = ET->getDecl()->getIntegerType().getTypePtr(); | |||
| 2437 | if (T->isSpecificBuiltinType(BuiltinType::Double) || | |||
| 2438 | T->isSpecificBuiltinType(BuiltinType::LongLong) || | |||
| 2439 | T->isSpecificBuiltinType(BuiltinType::ULongLong) || | |||
| 2440 | (T->isSpecificBuiltinType(BuiltinType::LongDouble) && | |||
| 2441 | Target->defaultsToAIXPowerAlignment())) | |||
| 2442 | // Don't increase the alignment if an alignment attribute was specified on a | |||
| 2443 | // typedef declaration. | |||
| 2444 | if (!TI.AlignIsRequired) | |||
| 2445 | return std::max(ABIAlign, (unsigned)getTypeSize(T)); | |||
| 2446 | ||||
| 2447 | return ABIAlign; | |||
| 2448 | } | |||
| 2449 | ||||
| 2450 | /// getTargetDefaultAlignForAttributeAligned - Return the default alignment | |||
| 2451 | /// for __attribute__((aligned)) on this target, to be used if no alignment | |||
| 2452 | /// value is specified. | |||
| 2453 | unsigned ASTContext::getTargetDefaultAlignForAttributeAligned() const { | |||
| 2454 | return getTargetInfo().getDefaultAlignForAttributeAligned(); | |||
| 2455 | } | |||
| 2456 | ||||
| 2457 | /// getAlignOfGlobalVar - Return the alignment in bits that should be given | |||
| 2458 | /// to a global variable of the specified type. | |||
| 2459 | unsigned ASTContext::getAlignOfGlobalVar(QualType T) const { | |||
| 2460 | uint64_t TypeSize = getTypeSize(T.getTypePtr()); | |||
| 2461 | return std::max(getTypeAlign(T), getTargetInfo().getMinGlobalAlign(TypeSize)); | |||
| 2462 | } | |||
| 2463 | ||||
| 2464 | /// getAlignOfGlobalVarInChars - Return the alignment in characters that | |||
| 2465 | /// should be given to a global variable of the specified type. | |||
| 2466 | CharUnits ASTContext::getAlignOfGlobalVarInChars(QualType T) const { | |||
| 2467 | return toCharUnitsFromBits(getAlignOfGlobalVar(T)); | |||
| 2468 | } | |||
| 2469 | ||||
| 2470 | CharUnits ASTContext::getOffsetOfBaseWithVBPtr(const CXXRecordDecl *RD) const { | |||
| 2471 | CharUnits Offset = CharUnits::Zero(); | |||
| 2472 | const ASTRecordLayout *Layout = &getASTRecordLayout(RD); | |||
| 2473 | while (const CXXRecordDecl *Base = Layout->getBaseSharingVBPtr()) { | |||
| 2474 | Offset += Layout->getBaseClassOffset(Base); | |||
| 2475 | Layout = &getASTRecordLayout(Base); | |||
| 2476 | } | |||
| 2477 | return Offset; | |||
| 2478 | } | |||
| 2479 | ||||
| 2480 | /// DeepCollectObjCIvars - | |||
| 2481 | /// This routine first collects all declared, but not synthesized, ivars in | |||
| 2482 | /// super class and then collects all ivars, including those synthesized for | |||
| 2483 | /// current class. This routine is used for implementation of current class | |||
| 2484 | /// when all ivars, declared and synthesized are known. | |||
| 2485 | void ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, | |||
| 2486 | bool leafClass, | |||
| 2487 | SmallVectorImpl<const ObjCIvarDecl*> &Ivars) const { | |||
| 2488 | if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) | |||
| 2489 | DeepCollectObjCIvars(SuperClass, false, Ivars); | |||
| 2490 | if (!leafClass) { | |||
| 2491 | for (const auto *I : OI->ivars()) | |||
| 2492 | Ivars.push_back(I); | |||
| 2493 | } else { | |||
| 2494 | auto *IDecl = const_cast<ObjCInterfaceDecl *>(OI); | |||
| 2495 | for (const ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; | |||
| 2496 | Iv= Iv->getNextIvar()) | |||
| 2497 | Ivars.push_back(Iv); | |||
| 2498 | } | |||
| 2499 | } | |||
| 2500 | ||||
| 2501 | /// CollectInheritedProtocols - Collect all protocols in current class and | |||
| 2502 | /// those inherited by it. | |||
| 2503 | void ASTContext::CollectInheritedProtocols(const Decl *CDecl, | |||
| 2504 | llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { | |||
| 2505 | if (const auto *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { | |||
| 2506 | // We can use protocol_iterator here instead of | |||
| 2507 | // all_referenced_protocol_iterator since we are walking all categories. | |||
| 2508 | for (auto *Proto : OI->all_referenced_protocols()) { | |||
| 2509 | CollectInheritedProtocols(Proto, Protocols); | |||
| 2510 | } | |||
| 2511 | ||||
| 2512 | // Categories of this Interface. | |||
| 2513 | for (const auto *Cat : OI->visible_categories()) | |||
| 2514 | CollectInheritedProtocols(Cat, Protocols); | |||
| 2515 | ||||
| 2516 | if (ObjCInterfaceDecl *SD = OI->getSuperClass()) | |||
| 2517 | while (SD) { | |||
| 2518 | CollectInheritedProtocols(SD, Protocols); | |||
| 2519 | SD = SD->getSuperClass(); | |||
| 2520 | } | |||
| 2521 | } else if (const auto *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { | |||
| 2522 | for (auto *Proto : OC->protocols()) { | |||
| 2523 | CollectInheritedProtocols(Proto, Protocols); | |||
| 2524 | } | |||
| 2525 | } else if (const auto *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { | |||
| 2526 | // Insert the protocol. | |||
| 2527 | if (!Protocols.insert( | |||
| 2528 | const_cast<ObjCProtocolDecl *>(OP->getCanonicalDecl())).second) | |||
| 2529 | return; | |||
| 2530 | ||||
| 2531 | for (auto *Proto : OP->protocols()) | |||
| 2532 | CollectInheritedProtocols(Proto, Protocols); | |||
| 2533 | } | |||
| 2534 | } | |||
| 2535 | ||||
| 2536 | static bool unionHasUniqueObjectRepresentations(const ASTContext &Context, | |||
| 2537 | const RecordDecl *RD) { | |||
| 2538 | assert(RD->isUnion() && "Must be union type")((RD->isUnion() && "Must be union type") ? static_cast <void> (0) : __assert_fail ("RD->isUnion() && \"Must be union type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2538, __PRETTY_FUNCTION__)); | |||
| 2539 | CharUnits UnionSize = Context.getTypeSizeInChars(RD->getTypeForDecl()); | |||
| 2540 | ||||
| 2541 | for (const auto *Field : RD->fields()) { | |||
| 2542 | if (!Context.hasUniqueObjectRepresentations(Field->getType())) | |||
| 2543 | return false; | |||
| 2544 | CharUnits FieldSize = Context.getTypeSizeInChars(Field->getType()); | |||
| 2545 | if (FieldSize != UnionSize) | |||
| 2546 | return false; | |||
| 2547 | } | |||
| 2548 | return !RD->field_empty(); | |||
| 2549 | } | |||
| 2550 | ||||
| 2551 | static bool isStructEmpty(QualType Ty) { | |||
| 2552 | const RecordDecl *RD = Ty->castAs<RecordType>()->getDecl(); | |||
| 2553 | ||||
| 2554 | if (!RD->field_empty()) | |||
| 2555 | return false; | |||
| 2556 | ||||
| 2557 | if (const auto *ClassDecl = dyn_cast<CXXRecordDecl>(RD)) | |||
| 2558 | return ClassDecl->isEmpty(); | |||
| 2559 | ||||
| 2560 | return true; | |||
| 2561 | } | |||
| 2562 | ||||
| 2563 | static llvm::Optional<int64_t> | |||
| 2564 | structHasUniqueObjectRepresentations(const ASTContext &Context, | |||
| 2565 | const RecordDecl *RD) { | |||
| 2566 | assert(!RD->isUnion() && "Must be struct/class type")((!RD->isUnion() && "Must be struct/class type") ? static_cast<void> (0) : __assert_fail ("!RD->isUnion() && \"Must be struct/class type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2566, __PRETTY_FUNCTION__)); | |||
| 2567 | const auto &Layout = Context.getASTRecordLayout(RD); | |||
| 2568 | ||||
| 2569 | int64_t CurOffsetInBits = 0; | |||
| 2570 | if (const auto *ClassDecl = dyn_cast<CXXRecordDecl>(RD)) { | |||
| 2571 | if (ClassDecl->isDynamicClass()) | |||
| 2572 | return llvm::None; | |||
| 2573 | ||||
| 2574 | SmallVector<std::pair<QualType, int64_t>, 4> Bases; | |||
| 2575 | for (const auto &Base : ClassDecl->bases()) { | |||
| 2576 | // Empty types can be inherited from, and non-empty types can potentially | |||
| 2577 | // have tail padding, so just make sure there isn't an error. | |||
| 2578 | if (!isStructEmpty(Base.getType())) { | |||
| 2579 | llvm::Optional<int64_t> Size = structHasUniqueObjectRepresentations( | |||
| 2580 | Context, Base.getType()->castAs<RecordType>()->getDecl()); | |||
| 2581 | if (!Size) | |||
| 2582 | return llvm::None; | |||
| 2583 | Bases.emplace_back(Base.getType(), Size.getValue()); | |||
| 2584 | } | |||
| 2585 | } | |||
| 2586 | ||||
| 2587 | llvm::sort(Bases, [&](const std::pair<QualType, int64_t> &L, | |||
| 2588 | const std::pair<QualType, int64_t> &R) { | |||
| 2589 | return Layout.getBaseClassOffset(L.first->getAsCXXRecordDecl()) < | |||
| 2590 | Layout.getBaseClassOffset(R.first->getAsCXXRecordDecl()); | |||
| 2591 | }); | |||
| 2592 | ||||
| 2593 | for (const auto &Base : Bases) { | |||
| 2594 | int64_t BaseOffset = Context.toBits( | |||
| 2595 | Layout.getBaseClassOffset(Base.first->getAsCXXRecordDecl())); | |||
| 2596 | int64_t BaseSize = Base.second; | |||
| 2597 | if (BaseOffset != CurOffsetInBits) | |||
| 2598 | return llvm::None; | |||
| 2599 | CurOffsetInBits = BaseOffset + BaseSize; | |||
| 2600 | } | |||
| 2601 | } | |||
| 2602 | ||||
| 2603 | for (const auto *Field : RD->fields()) { | |||
| 2604 | if (!Field->getType()->isReferenceType() && | |||
| 2605 | !Context.hasUniqueObjectRepresentations(Field->getType())) | |||
| 2606 | return llvm::None; | |||
| 2607 | ||||
| 2608 | int64_t FieldSizeInBits = | |||
| 2609 | Context.toBits(Context.getTypeSizeInChars(Field->getType())); | |||
| 2610 | if (Field->isBitField()) { | |||
| 2611 | int64_t BitfieldSize = Field->getBitWidthValue(Context); | |||
| 2612 | ||||
| 2613 | if (BitfieldSize > FieldSizeInBits) | |||
| 2614 | return llvm::None; | |||
| 2615 | FieldSizeInBits = BitfieldSize; | |||
| 2616 | } | |||
| 2617 | ||||
| 2618 | int64_t FieldOffsetInBits = Context.getFieldOffset(Field); | |||
| 2619 | ||||
| 2620 | if (FieldOffsetInBits != CurOffsetInBits) | |||
| 2621 | return llvm::None; | |||
| 2622 | ||||
| 2623 | CurOffsetInBits = FieldSizeInBits + FieldOffsetInBits; | |||
| 2624 | } | |||
| 2625 | ||||
| 2626 | return CurOffsetInBits; | |||
| 2627 | } | |||
| 2628 | ||||
| 2629 | bool ASTContext::hasUniqueObjectRepresentations(QualType Ty) const { | |||
| 2630 | // C++17 [meta.unary.prop]: | |||
| 2631 | // The predicate condition for a template specialization | |||
| 2632 | // has_unique_object_representations<T> shall be | |||
| 2633 | // satisfied if and only if: | |||
| 2634 | // (9.1) - T is trivially copyable, and | |||
| 2635 | // (9.2) - any two objects of type T with the same value have the same | |||
| 2636 | // object representation, where two objects | |||
| 2637 | // of array or non-union class type are considered to have the same value | |||
| 2638 | // if their respective sequences of | |||
| 2639 | // direct subobjects have the same values, and two objects of union type | |||
| 2640 | // are considered to have the same | |||
| 2641 | // value if they have the same active member and the corresponding members | |||
| 2642 | // have the same value. | |||
| 2643 | // The set of scalar types for which this condition holds is | |||
| 2644 | // implementation-defined. [ Note: If a type has padding | |||
| 2645 | // bits, the condition does not hold; otherwise, the condition holds true | |||
| 2646 | // for unsigned integral types. -- end note ] | |||
| 2647 | assert(!Ty.isNull() && "Null QualType sent to unique object rep check")((!Ty.isNull() && "Null QualType sent to unique object rep check" ) ? static_cast<void> (0) : __assert_fail ("!Ty.isNull() && \"Null QualType sent to unique object rep check\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2647, __PRETTY_FUNCTION__)); | |||
| 2648 | ||||
| 2649 | // Arrays are unique only if their element type is unique. | |||
| 2650 | if (Ty->isArrayType()) | |||
| 2651 | return hasUniqueObjectRepresentations(getBaseElementType(Ty)); | |||
| 2652 | ||||
| 2653 | // (9.1) - T is trivially copyable... | |||
| 2654 | if (!Ty.isTriviallyCopyableType(*this)) | |||
| 2655 | return false; | |||
| 2656 | ||||
| 2657 | // All integrals and enums are unique. | |||
| 2658 | if (Ty->isIntegralOrEnumerationType()) | |||
| 2659 | return true; | |||
| 2660 | ||||
| 2661 | // All other pointers are unique. | |||
| 2662 | if (Ty->isPointerType()) | |||
| 2663 | return true; | |||
| 2664 | ||||
| 2665 | if (Ty->isMemberPointerType()) { | |||
| 2666 | const auto *MPT = Ty->getAs<MemberPointerType>(); | |||
| 2667 | return !ABI->getMemberPointerInfo(MPT).HasPadding; | |||
| 2668 | } | |||
| 2669 | ||||
| 2670 | if (Ty->isRecordType()) { | |||
| 2671 | const RecordDecl *Record = Ty->castAs<RecordType>()->getDecl(); | |||
| 2672 | ||||
| 2673 | if (Record->isInvalidDecl()) | |||
| 2674 | return false; | |||
| 2675 | ||||
| 2676 | if (Record->isUnion()) | |||
| 2677 | return unionHasUniqueObjectRepresentations(*this, Record); | |||
| 2678 | ||||
| 2679 | Optional<int64_t> StructSize = | |||
| 2680 | structHasUniqueObjectRepresentations(*this, Record); | |||
| 2681 | ||||
| 2682 | return StructSize && | |||
| 2683 | StructSize.getValue() == static_cast<int64_t>(getTypeSize(Ty)); | |||
| 2684 | } | |||
| 2685 | ||||
| 2686 | // FIXME: More cases to handle here (list by rsmith): | |||
| 2687 | // vectors (careful about, eg, vector of 3 foo) | |||
| 2688 | // _Complex int and friends | |||
| 2689 | // _Atomic T | |||
| 2690 | // Obj-C block pointers | |||
| 2691 | // Obj-C object pointers | |||
| 2692 | // and perhaps OpenCL's various builtin types (pipe, sampler_t, event_t, | |||
| 2693 | // clk_event_t, queue_t, reserve_id_t) | |||
| 2694 | // There're also Obj-C class types and the Obj-C selector type, but I think it | |||
| 2695 | // makes sense for those to return false here. | |||
| 2696 | ||||
| 2697 | return false; | |||
| 2698 | } | |||
| 2699 | ||||
| 2700 | unsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) const { | |||
| 2701 | unsigned count = 0; | |||
| 2702 | // Count ivars declared in class extension. | |||
| 2703 | for (const auto *Ext : OI->known_extensions()) | |||
| 2704 | count += Ext->ivar_size(); | |||
| 2705 | ||||
| 2706 | // Count ivar defined in this class's implementation. This | |||
| 2707 | // includes synthesized ivars. | |||
| 2708 | if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) | |||
| 2709 | count += ImplDecl->ivar_size(); | |||
| 2710 | ||||
| 2711 | return count; | |||
| 2712 | } | |||
| 2713 | ||||
| 2714 | bool ASTContext::isSentinelNullExpr(const Expr *E) { | |||
| 2715 | if (!E) | |||
| 2716 | return false; | |||
| 2717 | ||||
| 2718 | // nullptr_t is always treated as null. | |||
| 2719 | if (E->getType()->isNullPtrType()) return true; | |||
| 2720 | ||||
| 2721 | if (E->getType()->isAnyPointerType() && | |||
| 2722 | E->IgnoreParenCasts()->isNullPointerConstant(*this, | |||
| 2723 | Expr::NPC_ValueDependentIsNull)) | |||
| 2724 | return true; | |||
| 2725 | ||||
| 2726 | // Unfortunately, __null has type 'int'. | |||
| 2727 | if (isa<GNUNullExpr>(E)) return true; | |||
| 2728 | ||||
| 2729 | return false; | |||
| 2730 | } | |||
| 2731 | ||||
| 2732 | /// Get the implementation of ObjCInterfaceDecl, or nullptr if none | |||
| 2733 | /// exists. | |||
| 2734 | ObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { | |||
| 2735 | llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator | |||
| 2736 | I = ObjCImpls.find(D); | |||
| 2737 | if (I != ObjCImpls.end()) | |||
| 2738 | return cast<ObjCImplementationDecl>(I->second); | |||
| 2739 | return nullptr; | |||
| 2740 | } | |||
| 2741 | ||||
| 2742 | /// Get the implementation of ObjCCategoryDecl, or nullptr if none | |||
| 2743 | /// exists. | |||
| 2744 | ObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { | |||
| 2745 | llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator | |||
| 2746 | I = ObjCImpls.find(D); | |||
| 2747 | if (I != ObjCImpls.end()) | |||
| 2748 | return cast<ObjCCategoryImplDecl>(I->second); | |||
| 2749 | return nullptr; | |||
| 2750 | } | |||
| 2751 | ||||
| 2752 | /// Set the implementation of ObjCInterfaceDecl. | |||
| 2753 | void ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, | |||
| 2754 | ObjCImplementationDecl *ImplD) { | |||
| 2755 | assert(IFaceD && ImplD && "Passed null params")((IFaceD && ImplD && "Passed null params") ? static_cast <void> (0) : __assert_fail ("IFaceD && ImplD && \"Passed null params\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2755, __PRETTY_FUNCTION__)); | |||
| 2756 | ObjCImpls[IFaceD] = ImplD; | |||
| 2757 | } | |||
| 2758 | ||||
| 2759 | /// Set the implementation of ObjCCategoryDecl. | |||
| 2760 | void ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, | |||
| 2761 | ObjCCategoryImplDecl *ImplD) { | |||
| 2762 | assert(CatD && ImplD && "Passed null params")((CatD && ImplD && "Passed null params") ? static_cast <void> (0) : __assert_fail ("CatD && ImplD && \"Passed null params\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2762, __PRETTY_FUNCTION__)); | |||
| 2763 | ObjCImpls[CatD] = ImplD; | |||
| 2764 | } | |||
| 2765 | ||||
| 2766 | const ObjCMethodDecl * | |||
| 2767 | ASTContext::getObjCMethodRedeclaration(const ObjCMethodDecl *MD) const { | |||
| 2768 | return ObjCMethodRedecls.lookup(MD); | |||
| 2769 | } | |||
| 2770 | ||||
| 2771 | void ASTContext::setObjCMethodRedeclaration(const ObjCMethodDecl *MD, | |||
| 2772 | const ObjCMethodDecl *Redecl) { | |||
| 2773 | assert(!getObjCMethodRedeclaration(MD) && "MD already has a redeclaration")((!getObjCMethodRedeclaration(MD) && "MD already has a redeclaration" ) ? static_cast<void> (0) : __assert_fail ("!getObjCMethodRedeclaration(MD) && \"MD already has a redeclaration\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2773, __PRETTY_FUNCTION__)); | |||
| 2774 | ObjCMethodRedecls[MD] = Redecl; | |||
| 2775 | } | |||
| 2776 | ||||
| 2777 | const ObjCInterfaceDecl *ASTContext::getObjContainingInterface( | |||
| 2778 | const NamedDecl *ND) const { | |||
| 2779 | if (const auto *ID = dyn_cast<ObjCInterfaceDecl>(ND->getDeclContext())) | |||
| 2780 | return ID; | |||
| 2781 | if (const auto *CD = dyn_cast<ObjCCategoryDecl>(ND->getDeclContext())) | |||
| 2782 | return CD->getClassInterface(); | |||
| 2783 | if (const auto *IMD = dyn_cast<ObjCImplDecl>(ND->getDeclContext())) | |||
| 2784 | return IMD->getClassInterface(); | |||
| 2785 | ||||
| 2786 | return nullptr; | |||
| 2787 | } | |||
| 2788 | ||||
| 2789 | /// Get the copy initialization expression of VarDecl, or nullptr if | |||
| 2790 | /// none exists. | |||
| 2791 | BlockVarCopyInit ASTContext::getBlockVarCopyInit(const VarDecl *VD) const { | |||
| 2792 | assert(VD && "Passed null params")((VD && "Passed null params") ? static_cast<void> (0) : __assert_fail ("VD && \"Passed null params\"", "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2792, __PRETTY_FUNCTION__)); | |||
| 2793 | assert(VD->hasAttr<BlocksAttr>() &&((VD->hasAttr<BlocksAttr>() && "getBlockVarCopyInits - not __block var" ) ? static_cast<void> (0) : __assert_fail ("VD->hasAttr<BlocksAttr>() && \"getBlockVarCopyInits - not __block var\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2794, __PRETTY_FUNCTION__)) | |||
| 2794 | "getBlockVarCopyInits - not __block var")((VD->hasAttr<BlocksAttr>() && "getBlockVarCopyInits - not __block var" ) ? static_cast<void> (0) : __assert_fail ("VD->hasAttr<BlocksAttr>() && \"getBlockVarCopyInits - not __block var\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2794, __PRETTY_FUNCTION__)); | |||
| 2795 | auto I = BlockVarCopyInits.find(VD); | |||
| 2796 | if (I != BlockVarCopyInits.end()) | |||
| 2797 | return I->second; | |||
| 2798 | return {nullptr, false}; | |||
| 2799 | } | |||
| 2800 | ||||
| 2801 | /// Set the copy initialization expression of a block var decl. | |||
| 2802 | void ASTContext::setBlockVarCopyInit(const VarDecl*VD, Expr *CopyExpr, | |||
| 2803 | bool CanThrow) { | |||
| 2804 | assert(VD && CopyExpr && "Passed null params")((VD && CopyExpr && "Passed null params") ? static_cast <void> (0) : __assert_fail ("VD && CopyExpr && \"Passed null params\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2804, __PRETTY_FUNCTION__)); | |||
| 2805 | assert(VD->hasAttr<BlocksAttr>() &&((VD->hasAttr<BlocksAttr>() && "setBlockVarCopyInits - not __block var" ) ? static_cast<void> (0) : __assert_fail ("VD->hasAttr<BlocksAttr>() && \"setBlockVarCopyInits - not __block var\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2806, __PRETTY_FUNCTION__)) | |||
| 2806 | "setBlockVarCopyInits - not __block var")((VD->hasAttr<BlocksAttr>() && "setBlockVarCopyInits - not __block var" ) ? static_cast<void> (0) : __assert_fail ("VD->hasAttr<BlocksAttr>() && \"setBlockVarCopyInits - not __block var\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2806, __PRETTY_FUNCTION__)); | |||
| 2807 | BlockVarCopyInits[VD].setExprAndFlag(CopyExpr, CanThrow); | |||
| 2808 | } | |||
| 2809 | ||||
| 2810 | TypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, | |||
| 2811 | unsigned DataSize) const { | |||
| 2812 | if (!DataSize) | |||
| 2813 | DataSize = TypeLoc::getFullDataSizeForType(T); | |||
| 2814 | else | |||
| 2815 | assert(DataSize == TypeLoc::getFullDataSizeForType(T) &&((DataSize == TypeLoc::getFullDataSizeForType(T) && "incorrect data size provided to CreateTypeSourceInfo!" ) ? static_cast<void> (0) : __assert_fail ("DataSize == TypeLoc::getFullDataSizeForType(T) && \"incorrect data size provided to CreateTypeSourceInfo!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2816, __PRETTY_FUNCTION__)) | |||
| 2816 | "incorrect data size provided to CreateTypeSourceInfo!")((DataSize == TypeLoc::getFullDataSizeForType(T) && "incorrect data size provided to CreateTypeSourceInfo!" ) ? static_cast<void> (0) : __assert_fail ("DataSize == TypeLoc::getFullDataSizeForType(T) && \"incorrect data size provided to CreateTypeSourceInfo!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2816, __PRETTY_FUNCTION__)); | |||
| 2817 | ||||
| 2818 | auto *TInfo = | |||
| 2819 | (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); | |||
| 2820 | new (TInfo) TypeSourceInfo(T); | |||
| 2821 | return TInfo; | |||
| 2822 | } | |||
| 2823 | ||||
| 2824 | TypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, | |||
| 2825 | SourceLocation L) const { | |||
| 2826 | TypeSourceInfo *DI = CreateTypeSourceInfo(T); | |||
| 2827 | DI->getTypeLoc().initialize(const_cast<ASTContext &>(*this), L); | |||
| 2828 | return DI; | |||
| 2829 | } | |||
| 2830 | ||||
| 2831 | const ASTRecordLayout & | |||
| 2832 | ASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) const { | |||
| 2833 | return getObjCLayout(D, nullptr); | |||
| 2834 | } | |||
| 2835 | ||||
| 2836 | const ASTRecordLayout & | |||
| 2837 | ASTContext::getASTObjCImplementationLayout( | |||
| 2838 | const ObjCImplementationDecl *D) const { | |||
| 2839 | return getObjCLayout(D->getClassInterface(), D); | |||
| 2840 | } | |||
| 2841 | ||||
| 2842 | //===----------------------------------------------------------------------===// | |||
| 2843 | // Type creation/memoization methods | |||
| 2844 | //===----------------------------------------------------------------------===// | |||
| 2845 | ||||
| 2846 | QualType | |||
| 2847 | ASTContext::getExtQualType(const Type *baseType, Qualifiers quals) const { | |||
| 2848 | unsigned fastQuals = quals.getFastQualifiers(); | |||
| 2849 | quals.removeFastQualifiers(); | |||
| 2850 | ||||
| 2851 | // Check if we've already instantiated this type. | |||
| 2852 | llvm::FoldingSetNodeID ID; | |||
| 2853 | ExtQuals::Profile(ID, baseType, quals); | |||
| 2854 | void *insertPos = nullptr; | |||
| 2855 | if (ExtQuals *eq = ExtQualNodes.FindNodeOrInsertPos(ID, insertPos)) { | |||
| 2856 | assert(eq->getQualifiers() == quals)((eq->getQualifiers() == quals) ? static_cast<void> ( 0) : __assert_fail ("eq->getQualifiers() == quals", "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2856, __PRETTY_FUNCTION__)); | |||
| 2857 | return QualType(eq, fastQuals); | |||
| 2858 | } | |||
| 2859 | ||||
| 2860 | // If the base type is not canonical, make the appropriate canonical type. | |||
| 2861 | QualType canon; | |||
| 2862 | if (!baseType->isCanonicalUnqualified()) { | |||
| 2863 | SplitQualType canonSplit = baseType->getCanonicalTypeInternal().split(); | |||
| 2864 | canonSplit.Quals.addConsistentQualifiers(quals); | |||
| 2865 | canon = getExtQualType(canonSplit.Ty, canonSplit.Quals); | |||
| 2866 | ||||
| 2867 | // Re-find the insert position. | |||
| 2868 | (void) ExtQualNodes.FindNodeOrInsertPos(ID, insertPos); | |||
| 2869 | } | |||
| 2870 | ||||
| 2871 | auto *eq = new (*this, TypeAlignment) ExtQuals(baseType, canon, quals); | |||
| 2872 | ExtQualNodes.InsertNode(eq, insertPos); | |||
| 2873 | return QualType(eq, fastQuals); | |||
| 2874 | } | |||
| 2875 | ||||
| 2876 | QualType ASTContext::getAddrSpaceQualType(QualType T, | |||
| 2877 | LangAS AddressSpace) const { | |||
| 2878 | QualType CanT = getCanonicalType(T); | |||
| 2879 | if (CanT.getAddressSpace() == AddressSpace) | |||
| 2880 | return T; | |||
| 2881 | ||||
| 2882 | // If we are composing extended qualifiers together, merge together | |||
| 2883 | // into one ExtQuals node. | |||
| 2884 | QualifierCollector Quals; | |||
| 2885 | const Type *TypeNode = Quals.strip(T); | |||
| 2886 | ||||
| 2887 | // If this type already has an address space specified, it cannot get | |||
| 2888 | // another one. | |||
| 2889 | assert(!Quals.hasAddressSpace() &&((!Quals.hasAddressSpace() && "Type cannot be in multiple addr spaces!" ) ? static_cast<void> (0) : __assert_fail ("!Quals.hasAddressSpace() && \"Type cannot be in multiple addr spaces!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2890, __PRETTY_FUNCTION__)) | |||
| 2890 | "Type cannot be in multiple addr spaces!")((!Quals.hasAddressSpace() && "Type cannot be in multiple addr spaces!" ) ? static_cast<void> (0) : __assert_fail ("!Quals.hasAddressSpace() && \"Type cannot be in multiple addr spaces!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2890, __PRETTY_FUNCTION__)); | |||
| 2891 | Quals.addAddressSpace(AddressSpace); | |||
| 2892 | ||||
| 2893 | return getExtQualType(TypeNode, Quals); | |||
| 2894 | } | |||
| 2895 | ||||
| 2896 | QualType ASTContext::removeAddrSpaceQualType(QualType T) const { | |||
| 2897 | // If the type is not qualified with an address space, just return it | |||
| 2898 | // immediately. | |||
| 2899 | if (!T.hasAddressSpace()) | |||
| 2900 | return T; | |||
| 2901 | ||||
| 2902 | // If we are composing extended qualifiers together, merge together | |||
| 2903 | // into one ExtQuals node. | |||
| 2904 | QualifierCollector Quals; | |||
| 2905 | const Type *TypeNode; | |||
| 2906 | ||||
| 2907 | while (T.hasAddressSpace()) { | |||
| 2908 | TypeNode = Quals.strip(T); | |||
| 2909 | ||||
| 2910 | // If the type no longer has an address space after stripping qualifiers, | |||
| 2911 | // jump out. | |||
| 2912 | if (!QualType(TypeNode, 0).hasAddressSpace()) | |||
| 2913 | break; | |||
| 2914 | ||||
| 2915 | // There might be sugar in the way. Strip it and try again. | |||
| 2916 | T = T.getSingleStepDesugaredType(*this); | |||
| 2917 | } | |||
| 2918 | ||||
| 2919 | Quals.removeAddressSpace(); | |||
| 2920 | ||||
| 2921 | // Removal of the address space can mean there are no longer any | |||
| 2922 | // non-fast qualifiers, so creating an ExtQualType isn't possible (asserts) | |||
| 2923 | // or required. | |||
| 2924 | if (Quals.hasNonFastQualifiers()) | |||
| 2925 | return getExtQualType(TypeNode, Quals); | |||
| 2926 | else | |||
| 2927 | return QualType(TypeNode, Quals.getFastQualifiers()); | |||
| ||||
| 2928 | } | |||
| 2929 | ||||
| 2930 | QualType ASTContext::getObjCGCQualType(QualType T, | |||
| 2931 | Qualifiers::GC GCAttr) const { | |||
| 2932 | QualType CanT = getCanonicalType(T); | |||
| 2933 | if (CanT.getObjCGCAttr() == GCAttr) | |||
| 2934 | return T; | |||
| 2935 | ||||
| 2936 | if (const auto *ptr = T->getAs<PointerType>()) { | |||
| 2937 | QualType Pointee = ptr->getPointeeType(); | |||
| 2938 | if (Pointee->isAnyPointerType()) { | |||
| 2939 | QualType ResultType = getObjCGCQualType(Pointee, GCAttr); | |||
| 2940 | return getPointerType(ResultType); | |||
| 2941 | } | |||
| 2942 | } | |||
| 2943 | ||||
| 2944 | // If we are composing extended qualifiers together, merge together | |||
| 2945 | // into one ExtQuals node. | |||
| 2946 | QualifierCollector Quals; | |||
| 2947 | const Type *TypeNode = Quals.strip(T); | |||
| 2948 | ||||
| 2949 | // If this type already has an ObjCGC specified, it cannot get | |||
| 2950 | // another one. | |||
| 2951 | assert(!Quals.hasObjCGCAttr() &&((!Quals.hasObjCGCAttr() && "Type cannot have multiple ObjCGCs!" ) ? static_cast<void> (0) : __assert_fail ("!Quals.hasObjCGCAttr() && \"Type cannot have multiple ObjCGCs!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2952, __PRETTY_FUNCTION__)) | |||
| 2952 | "Type cannot have multiple ObjCGCs!")((!Quals.hasObjCGCAttr() && "Type cannot have multiple ObjCGCs!" ) ? static_cast<void> (0) : __assert_fail ("!Quals.hasObjCGCAttr() && \"Type cannot have multiple ObjCGCs!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 2952, __PRETTY_FUNCTION__)); | |||
| 2953 | Quals.addObjCGCAttr(GCAttr); | |||
| 2954 | ||||
| 2955 | return getExtQualType(TypeNode, Quals); | |||
| 2956 | } | |||
| 2957 | ||||
| 2958 | QualType ASTContext::removePtrSizeAddrSpace(QualType T) const { | |||
| 2959 | if (const PointerType *Ptr = T->getAs<PointerType>()) { | |||
| 2960 | QualType Pointee = Ptr->getPointeeType(); | |||
| 2961 | if (isPtrSizeAddressSpace(Pointee.getAddressSpace())) { | |||
| 2962 | return getPointerType(removeAddrSpaceQualType(Pointee)); | |||
| 2963 | } | |||
| 2964 | } | |||
| 2965 | return T; | |||
| 2966 | } | |||
| 2967 | ||||
| 2968 | const FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, | |||
| 2969 | FunctionType::ExtInfo Info) { | |||
| 2970 | if (T->getExtInfo() == Info) | |||
| 2971 | return T; | |||
| 2972 | ||||
| 2973 | QualType Result; | |||
| 2974 | if (const auto *FNPT = dyn_cast<FunctionNoProtoType>(T)) { | |||
| 2975 | Result = getFunctionNoProtoType(FNPT->getReturnType(), Info); | |||
| 2976 | } else { | |||
| 2977 | const auto *FPT = cast<FunctionProtoType>(T); | |||
| 2978 | FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); | |||
| 2979 | EPI.ExtInfo = Info; | |||
| 2980 | Result = getFunctionType(FPT->getReturnType(), FPT->getParamTypes(), EPI); | |||
| 2981 | } | |||
| 2982 | ||||
| 2983 | return cast<FunctionType>(Result.getTypePtr()); | |||
| 2984 | } | |||
| 2985 | ||||
| 2986 | void ASTContext::adjustDeducedFunctionResultType(FunctionDecl *FD, | |||
| 2987 | QualType ResultType) { | |||
| 2988 | FD = FD->getMostRecentDecl(); | |||
| 2989 | while (true) { | |||
| 2990 | const auto *FPT = FD->getType()->castAs<FunctionProtoType>(); | |||
| 2991 | FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); | |||
| 2992 | FD->setType(getFunctionType(ResultType, FPT->getParamTypes(), EPI)); | |||
| 2993 | if (FunctionDecl *Next = FD->getPreviousDecl()) | |||
| 2994 | FD = Next; | |||
| 2995 | else | |||
| 2996 | break; | |||
| 2997 | } | |||
| 2998 | if (ASTMutationListener *L = getASTMutationListener()) | |||
| 2999 | L->DeducedReturnType(FD, ResultType); | |||
| 3000 | } | |||
| 3001 | ||||
| 3002 | /// Get a function type and produce the equivalent function type with the | |||
| 3003 | /// specified exception specification. Type sugar that can be present on a | |||
| 3004 | /// declaration of a function with an exception specification is permitted | |||
| 3005 | /// and preserved. Other type sugar (for instance, typedefs) is not. | |||
| 3006 | QualType ASTContext::getFunctionTypeWithExceptionSpec( | |||
| 3007 | QualType Orig, const FunctionProtoType::ExceptionSpecInfo &ESI) { | |||
| 3008 | // Might have some parens. | |||
| 3009 | if (const auto *PT = dyn_cast<ParenType>(Orig)) | |||
| 3010 | return getParenType( | |||
| 3011 | getFunctionTypeWithExceptionSpec(PT->getInnerType(), ESI)); | |||
| 3012 | ||||
| 3013 | // Might be wrapped in a macro qualified type. | |||
| 3014 | if (const auto *MQT = dyn_cast<MacroQualifiedType>(Orig)) | |||
| 3015 | return getMacroQualifiedType( | |||
| 3016 | getFunctionTypeWithExceptionSpec(MQT->getUnderlyingType(), ESI), | |||
| 3017 | MQT->getMacroIdentifier()); | |||
| 3018 | ||||
| 3019 | // Might have a calling-convention attribute. | |||
| 3020 | if (const auto *AT = dyn_cast<AttributedType>(Orig)) | |||
| 3021 | return getAttributedType( | |||
| 3022 | AT->getAttrKind(), | |||
| 3023 | getFunctionTypeWithExceptionSpec(AT->getModifiedType(), ESI), | |||
| 3024 | getFunctionTypeWithExceptionSpec(AT->getEquivalentType(), ESI)); | |||
| 3025 | ||||
| 3026 | // Anything else must be a function type. Rebuild it with the new exception | |||
| 3027 | // specification. | |||
| 3028 | const auto *Proto = Orig->castAs<FunctionProtoType>(); | |||
| 3029 | return getFunctionType( | |||
| 3030 | Proto->getReturnType(), Proto->getParamTypes(), | |||
| 3031 | Proto->getExtProtoInfo().withExceptionSpec(ESI)); | |||
| 3032 | } | |||
| 3033 | ||||
| 3034 | bool ASTContext::hasSameFunctionTypeIgnoringExceptionSpec(QualType T, | |||
| 3035 | QualType U) { | |||
| 3036 | return hasSameType(T, U) || | |||
| 3037 | (getLangOpts().CPlusPlus17 && | |||
| 3038 | hasSameType(getFunctionTypeWithExceptionSpec(T, EST_None), | |||
| 3039 | getFunctionTypeWithExceptionSpec(U, EST_None))); | |||
| 3040 | } | |||
| 3041 | ||||
| 3042 | QualType ASTContext::getFunctionTypeWithoutPtrSizes(QualType T) { | |||
| 3043 | if (const auto *Proto = T->getAs<FunctionProtoType>()) { | |||
| 3044 | QualType RetTy = removePtrSizeAddrSpace(Proto->getReturnType()); | |||
| 3045 | SmallVector<QualType, 16> Args(Proto->param_types()); | |||
| 3046 | for (unsigned i = 0, n = Args.size(); i != n; ++i) | |||
| 3047 | Args[i] = removePtrSizeAddrSpace(Args[i]); | |||
| 3048 | return getFunctionType(RetTy, Args, Proto->getExtProtoInfo()); | |||
| 3049 | } | |||
| 3050 | ||||
| 3051 | if (const FunctionNoProtoType *Proto = T->getAs<FunctionNoProtoType>()) { | |||
| 3052 | QualType RetTy = removePtrSizeAddrSpace(Proto->getReturnType()); | |||
| 3053 | return getFunctionNoProtoType(RetTy, Proto->getExtInfo()); | |||
| 3054 | } | |||
| 3055 | ||||
| 3056 | return T; | |||
| 3057 | } | |||
| 3058 | ||||
| 3059 | bool ASTContext::hasSameFunctionTypeIgnoringPtrSizes(QualType T, QualType U) { | |||
| 3060 | return hasSameType(T, U) || | |||
| ||||
| 3061 | hasSameType(getFunctionTypeWithoutPtrSizes(T), | |||
| 3062 | getFunctionTypeWithoutPtrSizes(U)); | |||
| 3063 | } | |||
| 3064 | ||||
| 3065 | void ASTContext::adjustExceptionSpec( | |||
| 3066 | FunctionDecl *FD, const FunctionProtoType::ExceptionSpecInfo &ESI, | |||
| 3067 | bool AsWritten) { | |||
| 3068 | // Update the type. | |||
| 3069 | QualType Updated = | |||
| 3070 | getFunctionTypeWithExceptionSpec(FD->getType(), ESI); | |||
| 3071 | FD->setType(Updated); | |||
| 3072 | ||||
| 3073 | if (!AsWritten) | |||
| 3074 | return; | |||
| 3075 | ||||
| 3076 | // Update the type in the type source information too. | |||
| 3077 | if (TypeSourceInfo *TSInfo = FD->getTypeSourceInfo()) { | |||
| 3078 | // If the type and the type-as-written differ, we may need to update | |||
| 3079 | // the type-as-written too. | |||
| 3080 | if (TSInfo->getType() != FD->getType()) | |||
| 3081 | Updated = getFunctionTypeWithExceptionSpec(TSInfo->getType(), ESI); | |||
| 3082 | ||||
| 3083 | // FIXME: When we get proper type location information for exceptions, | |||
| 3084 | // we'll also have to rebuild the TypeSourceInfo. For now, we just patch | |||
| 3085 | // up the TypeSourceInfo; | |||
| 3086 | assert(TypeLoc::getFullDataSizeForType(Updated) ==((TypeLoc::getFullDataSizeForType(Updated) == TypeLoc::getFullDataSizeForType (TSInfo->getType()) && "TypeLoc size mismatch from updating exception specification" ) ? static_cast<void> (0) : __assert_fail ("TypeLoc::getFullDataSizeForType(Updated) == TypeLoc::getFullDataSizeForType(TSInfo->getType()) && \"TypeLoc size mismatch from updating exception specification\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3088, __PRETTY_FUNCTION__)) | |||
| 3087 | TypeLoc::getFullDataSizeForType(TSInfo->getType()) &&((TypeLoc::getFullDataSizeForType(Updated) == TypeLoc::getFullDataSizeForType (TSInfo->getType()) && "TypeLoc size mismatch from updating exception specification" ) ? static_cast<void> (0) : __assert_fail ("TypeLoc::getFullDataSizeForType(Updated) == TypeLoc::getFullDataSizeForType(TSInfo->getType()) && \"TypeLoc size mismatch from updating exception specification\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3088, __PRETTY_FUNCTION__)) | |||
| 3088 | "TypeLoc size mismatch from updating exception specification")((TypeLoc::getFullDataSizeForType(Updated) == TypeLoc::getFullDataSizeForType (TSInfo->getType()) && "TypeLoc size mismatch from updating exception specification" ) ? static_cast<void> (0) : __assert_fail ("TypeLoc::getFullDataSizeForType(Updated) == TypeLoc::getFullDataSizeForType(TSInfo->getType()) && \"TypeLoc size mismatch from updating exception specification\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3088, __PRETTY_FUNCTION__)); | |||
| 3089 | TSInfo->overrideType(Updated); | |||
| 3090 | } | |||
| 3091 | } | |||
| 3092 | ||||
| 3093 | /// getComplexType - Return the uniqued reference to the type for a complex | |||
| 3094 | /// number with the specified element type. | |||
| 3095 | QualType ASTContext::getComplexType(QualType T) const { | |||
| 3096 | // Unique pointers, to guarantee there is only one pointer of a particular | |||
| 3097 | // structure. | |||
| 3098 | llvm::FoldingSetNodeID ID; | |||
| 3099 | ComplexType::Profile(ID, T); | |||
| 3100 | ||||
| 3101 | void *InsertPos = nullptr; | |||
| 3102 | if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 3103 | return QualType(CT, 0); | |||
| 3104 | ||||
| 3105 | // If the pointee type isn't canonical, this won't be a canonical type either, | |||
| 3106 | // so fill in the canonical type field. | |||
| 3107 | QualType Canonical; | |||
| 3108 | if (!T.isCanonical()) { | |||
| 3109 | Canonical = getComplexType(getCanonicalType(T)); | |||
| 3110 | ||||
| 3111 | // Get the new insert position for the node we care about. | |||
| 3112 | ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3113 | assert(!NewIP && "Shouldn't be in the map!")((!NewIP && "Shouldn't be in the map!") ? static_cast <void> (0) : __assert_fail ("!NewIP && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3113, __PRETTY_FUNCTION__)); (void)NewIP; | |||
| 3114 | } | |||
| 3115 | auto *New = new (*this, TypeAlignment) ComplexType(T, Canonical); | |||
| 3116 | Types.push_back(New); | |||
| 3117 | ComplexTypes.InsertNode(New, InsertPos); | |||
| 3118 | return QualType(New, 0); | |||
| 3119 | } | |||
| 3120 | ||||
| 3121 | /// getPointerType - Return the uniqued reference to the type for a pointer to | |||
| 3122 | /// the specified type. | |||
| 3123 | QualType ASTContext::getPointerType(QualType T) const { | |||
| 3124 | // Unique pointers, to guarantee there is only one pointer of a particular | |||
| 3125 | // structure. | |||
| 3126 | llvm::FoldingSetNodeID ID; | |||
| 3127 | PointerType::Profile(ID, T); | |||
| 3128 | ||||
| 3129 | void *InsertPos = nullptr; | |||
| 3130 | if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 3131 | return QualType(PT, 0); | |||
| 3132 | ||||
| 3133 | // If the pointee type isn't canonical, this won't be a canonical type either, | |||
| 3134 | // so fill in the canonical type field. | |||
| 3135 | QualType Canonical; | |||
| 3136 | if (!T.isCanonical()) { | |||
| 3137 | Canonical = getPointerType(getCanonicalType(T)); | |||
| 3138 | ||||
| 3139 | // Get the new insert position for the node we care about. | |||
| 3140 | PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3141 | assert(!NewIP && "Shouldn't be in the map!")((!NewIP && "Shouldn't be in the map!") ? static_cast <void> (0) : __assert_fail ("!NewIP && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3141, __PRETTY_FUNCTION__)); (void)NewIP; | |||
| 3142 | } | |||
| 3143 | auto *New = new (*this, TypeAlignment) PointerType(T, Canonical); | |||
| 3144 | Types.push_back(New); | |||
| 3145 | PointerTypes.InsertNode(New, InsertPos); | |||
| 3146 | return QualType(New, 0); | |||
| 3147 | } | |||
| 3148 | ||||
| 3149 | QualType ASTContext::getAdjustedType(QualType Orig, QualType New) const { | |||
| 3150 | llvm::FoldingSetNodeID ID; | |||
| 3151 | AdjustedType::Profile(ID, Orig, New); | |||
| 3152 | void *InsertPos = nullptr; | |||
| 3153 | AdjustedType *AT = AdjustedTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3154 | if (AT) | |||
| 3155 | return QualType(AT, 0); | |||
| 3156 | ||||
| 3157 | QualType Canonical = getCanonicalType(New); | |||
| 3158 | ||||
| 3159 | // Get the new insert position for the node we care about. | |||
| 3160 | AT = AdjustedTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3161 | assert(!AT && "Shouldn't be in the map!")((!AT && "Shouldn't be in the map!") ? static_cast< void> (0) : __assert_fail ("!AT && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3161, __PRETTY_FUNCTION__)); | |||
| 3162 | ||||
| 3163 | AT = new (*this, TypeAlignment) | |||
| 3164 | AdjustedType(Type::Adjusted, Orig, New, Canonical); | |||
| 3165 | Types.push_back(AT); | |||
| 3166 | AdjustedTypes.InsertNode(AT, InsertPos); | |||
| 3167 | return QualType(AT, 0); | |||
| 3168 | } | |||
| 3169 | ||||
| 3170 | QualType ASTContext::getDecayedType(QualType T) const { | |||
| 3171 | assert((T->isArrayType() || T->isFunctionType()) && "T does not decay")(((T->isArrayType() || T->isFunctionType()) && "T does not decay" ) ? static_cast<void> (0) : __assert_fail ("(T->isArrayType() || T->isFunctionType()) && \"T does not decay\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3171, __PRETTY_FUNCTION__)); | |||
| 3172 | ||||
| 3173 | QualType Decayed; | |||
| 3174 | ||||
| 3175 | // C99 6.7.5.3p7: | |||
| 3176 | // A declaration of a parameter as "array of type" shall be | |||
| 3177 | // adjusted to "qualified pointer to type", where the type | |||
| 3178 | // qualifiers (if any) are those specified within the [ and ] of | |||
| 3179 | // the array type derivation. | |||
| 3180 | if (T->isArrayType()) | |||
| 3181 | Decayed = getArrayDecayedType(T); | |||
| 3182 | ||||
| 3183 | // C99 6.7.5.3p8: | |||
| 3184 | // A declaration of a parameter as "function returning type" | |||
| 3185 | // shall be adjusted to "pointer to function returning type", as | |||
| 3186 | // in 6.3.2.1. | |||
| 3187 | if (T->isFunctionType()) | |||
| 3188 | Decayed = getPointerType(T); | |||
| 3189 | ||||
| 3190 | llvm::FoldingSetNodeID ID; | |||
| 3191 | AdjustedType::Profile(ID, T, Decayed); | |||
| 3192 | void *InsertPos = nullptr; | |||
| 3193 | AdjustedType *AT = AdjustedTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3194 | if (AT) | |||
| 3195 | return QualType(AT, 0); | |||
| 3196 | ||||
| 3197 | QualType Canonical = getCanonicalType(Decayed); | |||
| 3198 | ||||
| 3199 | // Get the new insert position for the node we care about. | |||
| 3200 | AT = AdjustedTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3201 | assert(!AT && "Shouldn't be in the map!")((!AT && "Shouldn't be in the map!") ? static_cast< void> (0) : __assert_fail ("!AT && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3201, __PRETTY_FUNCTION__)); | |||
| 3202 | ||||
| 3203 | AT = new (*this, TypeAlignment) DecayedType(T, Decayed, Canonical); | |||
| 3204 | Types.push_back(AT); | |||
| 3205 | AdjustedTypes.InsertNode(AT, InsertPos); | |||
| 3206 | return QualType(AT, 0); | |||
| 3207 | } | |||
| 3208 | ||||
| 3209 | /// getBlockPointerType - Return the uniqued reference to the type for | |||
| 3210 | /// a pointer to the specified block. | |||
| 3211 | QualType ASTContext::getBlockPointerType(QualType T) const { | |||
| 3212 | assert(T->isFunctionType() && "block of function types only")((T->isFunctionType() && "block of function types only" ) ? static_cast<void> (0) : __assert_fail ("T->isFunctionType() && \"block of function types only\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3212, __PRETTY_FUNCTION__)); | |||
| 3213 | // Unique pointers, to guarantee there is only one block of a particular | |||
| 3214 | // structure. | |||
| 3215 | llvm::FoldingSetNodeID ID; | |||
| 3216 | BlockPointerType::Profile(ID, T); | |||
| 3217 | ||||
| 3218 | void *InsertPos = nullptr; | |||
| 3219 | if (BlockPointerType *PT = | |||
| 3220 | BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 3221 | return QualType(PT, 0); | |||
| 3222 | ||||
| 3223 | // If the block pointee type isn't canonical, this won't be a canonical | |||
| 3224 | // type either so fill in the canonical type field. | |||
| 3225 | QualType Canonical; | |||
| 3226 | if (!T.isCanonical()) { | |||
| 3227 | Canonical = getBlockPointerType(getCanonicalType(T)); | |||
| 3228 | ||||
| 3229 | // Get the new insert position for the node we care about. | |||
| 3230 | BlockPointerType *NewIP = | |||
| 3231 | BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3232 | assert(!NewIP && "Shouldn't be in the map!")((!NewIP && "Shouldn't be in the map!") ? static_cast <void> (0) : __assert_fail ("!NewIP && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3232, __PRETTY_FUNCTION__)); (void)NewIP; | |||
| 3233 | } | |||
| 3234 | auto *New = new (*this, TypeAlignment) BlockPointerType(T, Canonical); | |||
| 3235 | Types.push_back(New); | |||
| 3236 | BlockPointerTypes.InsertNode(New, InsertPos); | |||
| 3237 | return QualType(New, 0); | |||
| 3238 | } | |||
| 3239 | ||||
| 3240 | /// getLValueReferenceType - Return the uniqued reference to the type for an | |||
| 3241 | /// lvalue reference to the specified type. | |||
| 3242 | QualType | |||
| 3243 | ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) const { | |||
| 3244 | assert(getCanonicalType(T) != OverloadTy &&((getCanonicalType(T) != OverloadTy && "Unresolved overloaded function type" ) ? static_cast<void> (0) : __assert_fail ("getCanonicalType(T) != OverloadTy && \"Unresolved overloaded function type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3245, __PRETTY_FUNCTION__)) | |||
| 3245 | "Unresolved overloaded function type")((getCanonicalType(T) != OverloadTy && "Unresolved overloaded function type" ) ? static_cast<void> (0) : __assert_fail ("getCanonicalType(T) != OverloadTy && \"Unresolved overloaded function type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3245, __PRETTY_FUNCTION__)); | |||
| 3246 | ||||
| 3247 | // Unique pointers, to guarantee there is only one pointer of a particular | |||
| 3248 | // structure. | |||
| 3249 | llvm::FoldingSetNodeID ID; | |||
| 3250 | ReferenceType::Profile(ID, T, SpelledAsLValue); | |||
| 3251 | ||||
| 3252 | void *InsertPos = nullptr; | |||
| 3253 | if (LValueReferenceType *RT = | |||
| 3254 | LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 3255 | return QualType(RT, 0); | |||
| 3256 | ||||
| 3257 | const auto *InnerRef = T->getAs<ReferenceType>(); | |||
| 3258 | ||||
| 3259 | // If the referencee type isn't canonical, this won't be a canonical type | |||
| 3260 | // either, so fill in the canonical type field. | |||
| 3261 | QualType Canonical; | |||
| 3262 | if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { | |||
| 3263 | QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); | |||
| 3264 | Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); | |||
| 3265 | ||||
| 3266 | // Get the new insert position for the node we care about. | |||
| 3267 | LValueReferenceType *NewIP = | |||
| 3268 | LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3269 | assert(!NewIP && "Shouldn't be in the map!")((!NewIP && "Shouldn't be in the map!") ? static_cast <void> (0) : __assert_fail ("!NewIP && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3269, __PRETTY_FUNCTION__)); (void)NewIP; | |||
| 3270 | } | |||
| 3271 | ||||
| 3272 | auto *New = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, | |||
| 3273 | SpelledAsLValue); | |||
| 3274 | Types.push_back(New); | |||
| 3275 | LValueReferenceTypes.InsertNode(New, InsertPos); | |||
| 3276 | ||||
| 3277 | return QualType(New, 0); | |||
| 3278 | } | |||
| 3279 | ||||
| 3280 | /// getRValueReferenceType - Return the uniqued reference to the type for an | |||
| 3281 | /// rvalue reference to the specified type. | |||
| 3282 | QualType ASTContext::getRValueReferenceType(QualType T) const { | |||
| 3283 | // Unique pointers, to guarantee there is only one pointer of a particular | |||
| 3284 | // structure. | |||
| 3285 | llvm::FoldingSetNodeID ID; | |||
| 3286 | ReferenceType::Profile(ID, T, false); | |||
| 3287 | ||||
| 3288 | void *InsertPos = nullptr; | |||
| 3289 | if (RValueReferenceType *RT = | |||
| 3290 | RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 3291 | return QualType(RT, 0); | |||
| 3292 | ||||
| 3293 | const auto *InnerRef = T->getAs<ReferenceType>(); | |||
| 3294 | ||||
| 3295 | // If the referencee type isn't canonical, this won't be a canonical type | |||
| 3296 | // either, so fill in the canonical type field. | |||
| 3297 | QualType Canonical; | |||
| 3298 | if (InnerRef || !T.isCanonical()) { | |||
| 3299 | QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); | |||
| 3300 | Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); | |||
| 3301 | ||||
| 3302 | // Get the new insert position for the node we care about. | |||
| 3303 | RValueReferenceType *NewIP = | |||
| 3304 | RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3305 | assert(!NewIP && "Shouldn't be in the map!")((!NewIP && "Shouldn't be in the map!") ? static_cast <void> (0) : __assert_fail ("!NewIP && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3305, __PRETTY_FUNCTION__)); (void)NewIP; | |||
| 3306 | } | |||
| 3307 | ||||
| 3308 | auto *New = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); | |||
| 3309 | Types.push_back(New); | |||
| 3310 | RValueReferenceTypes.InsertNode(New, InsertPos); | |||
| 3311 | return QualType(New, 0); | |||
| 3312 | } | |||
| 3313 | ||||
| 3314 | /// getMemberPointerType - Return the uniqued reference to the type for a | |||
| 3315 | /// member pointer to the specified type, in the specified class. | |||
| 3316 | QualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) const { | |||
| 3317 | // Unique pointers, to guarantee there is only one pointer of a particular | |||
| 3318 | // structure. | |||
| 3319 | llvm::FoldingSetNodeID ID; | |||
| 3320 | MemberPointerType::Profile(ID, T, Cls); | |||
| 3321 | ||||
| 3322 | void *InsertPos = nullptr; | |||
| 3323 | if (MemberPointerType *PT = | |||
| 3324 | MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 3325 | return QualType(PT, 0); | |||
| 3326 | ||||
| 3327 | // If the pointee or class type isn't canonical, this won't be a canonical | |||
| 3328 | // type either, so fill in the canonical type field. | |||
| 3329 | QualType Canonical; | |||
| 3330 | if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { | |||
| 3331 | Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); | |||
| 3332 | ||||
| 3333 | // Get the new insert position for the node we care about. | |||
| 3334 | MemberPointerType *NewIP = | |||
| 3335 | MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3336 | assert(!NewIP && "Shouldn't be in the map!")((!NewIP && "Shouldn't be in the map!") ? static_cast <void> (0) : __assert_fail ("!NewIP && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3336, __PRETTY_FUNCTION__)); (void)NewIP; | |||
| 3337 | } | |||
| 3338 | auto *New = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); | |||
| 3339 | Types.push_back(New); | |||
| 3340 | MemberPointerTypes.InsertNode(New, InsertPos); | |||
| 3341 | return QualType(New, 0); | |||
| 3342 | } | |||
| 3343 | ||||
| 3344 | /// getConstantArrayType - Return the unique reference to the type for an | |||
| 3345 | /// array of the specified element type. | |||
| 3346 | QualType ASTContext::getConstantArrayType(QualType EltTy, | |||
| 3347 | const llvm::APInt &ArySizeIn, | |||
| 3348 | const Expr *SizeExpr, | |||
| 3349 | ArrayType::ArraySizeModifier ASM, | |||
| 3350 | unsigned IndexTypeQuals) const { | |||
| 3351 | assert((EltTy->isDependentType() ||(((EltTy->isDependentType() || EltTy->isIncompleteType( ) || EltTy->isConstantSizeType()) && "Constant array of VLAs is illegal!" ) ? static_cast<void> (0) : __assert_fail ("(EltTy->isDependentType() || EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && \"Constant array of VLAs is illegal!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3353, __PRETTY_FUNCTION__)) | |||
| 3352 | EltTy->isIncompleteType() || EltTy->isConstantSizeType()) &&(((EltTy->isDependentType() || EltTy->isIncompleteType( ) || EltTy->isConstantSizeType()) && "Constant array of VLAs is illegal!" ) ? static_cast<void> (0) : __assert_fail ("(EltTy->isDependentType() || EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && \"Constant array of VLAs is illegal!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3353, __PRETTY_FUNCTION__)) | |||
| 3353 | "Constant array of VLAs is illegal!")(((EltTy->isDependentType() || EltTy->isIncompleteType( ) || EltTy->isConstantSizeType()) && "Constant array of VLAs is illegal!" ) ? static_cast<void> (0) : __assert_fail ("(EltTy->isDependentType() || EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && \"Constant array of VLAs is illegal!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3353, __PRETTY_FUNCTION__)); | |||
| 3354 | ||||
| 3355 | // We only need the size as part of the type if it's instantiation-dependent. | |||
| 3356 | if (SizeExpr && !SizeExpr->isInstantiationDependent()) | |||
| 3357 | SizeExpr = nullptr; | |||
| 3358 | ||||
| 3359 | // Convert the array size into a canonical width matching the pointer size for | |||
| 3360 | // the target. | |||
| 3361 | llvm::APInt ArySize(ArySizeIn); | |||
| 3362 | ArySize = ArySize.zextOrTrunc(Target->getMaxPointerWidth()); | |||
| 3363 | ||||
| 3364 | llvm::FoldingSetNodeID ID; | |||
| 3365 | ConstantArrayType::Profile(ID, *this, EltTy, ArySize, SizeExpr, ASM, | |||
| 3366 | IndexTypeQuals); | |||
| 3367 | ||||
| 3368 | void *InsertPos = nullptr; | |||
| 3369 | if (ConstantArrayType *ATP = | |||
| 3370 | ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 3371 | return QualType(ATP, 0); | |||
| 3372 | ||||
| 3373 | // If the element type isn't canonical or has qualifiers, or the array bound | |||
| 3374 | // is instantiation-dependent, this won't be a canonical type either, so fill | |||
| 3375 | // in the canonical type field. | |||
| 3376 | QualType Canon; | |||
| 3377 | if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers() || SizeExpr) { | |||
| 3378 | SplitQualType canonSplit = getCanonicalType(EltTy).split(); | |||
| 3379 | Canon = getConstantArrayType(QualType(canonSplit.Ty, 0), ArySize, nullptr, | |||
| 3380 | ASM, IndexTypeQuals); | |||
| 3381 | Canon = getQualifiedType(Canon, canonSplit.Quals); | |||
| 3382 | ||||
| 3383 | // Get the new insert position for the node we care about. | |||
| 3384 | ConstantArrayType *NewIP = | |||
| 3385 | ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3386 | assert(!NewIP && "Shouldn't be in the map!")((!NewIP && "Shouldn't be in the map!") ? static_cast <void> (0) : __assert_fail ("!NewIP && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3386, __PRETTY_FUNCTION__)); (void)NewIP; | |||
| 3387 | } | |||
| 3388 | ||||
| 3389 | void *Mem = Allocate( | |||
| 3390 | ConstantArrayType::totalSizeToAlloc<const Expr *>(SizeExpr ? 1 : 0), | |||
| 3391 | TypeAlignment); | |||
| 3392 | auto *New = new (Mem) | |||
| 3393 | ConstantArrayType(EltTy, Canon, ArySize, SizeExpr, ASM, IndexTypeQuals); | |||
| 3394 | ConstantArrayTypes.InsertNode(New, InsertPos); | |||
| 3395 | Types.push_back(New); | |||
| 3396 | return QualType(New, 0); | |||
| 3397 | } | |||
| 3398 | ||||
| 3399 | /// getVariableArrayDecayedType - Turns the given type, which may be | |||
| 3400 | /// variably-modified, into the corresponding type with all the known | |||
| 3401 | /// sizes replaced with [*]. | |||
| 3402 | QualType ASTContext::getVariableArrayDecayedType(QualType type) const { | |||
| 3403 | // Vastly most common case. | |||
| 3404 | if (!type->isVariablyModifiedType()) return type; | |||
| 3405 | ||||
| 3406 | QualType result; | |||
| 3407 | ||||
| 3408 | SplitQualType split = type.getSplitDesugaredType(); | |||
| 3409 | const Type *ty = split.Ty; | |||
| 3410 | switch (ty->getTypeClass()) { | |||
| 3411 | #define TYPE(Class, Base) | |||
| 3412 | #define ABSTRACT_TYPE(Class, Base) | |||
| 3413 | #define NON_CANONICAL_TYPE(Class, Base) case Type::Class: | |||
| 3414 | #include "clang/AST/TypeNodes.inc" | |||
| 3415 | llvm_unreachable("didn't desugar past all non-canonical types?")::llvm::llvm_unreachable_internal("didn't desugar past all non-canonical types?" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3415); | |||
| 3416 | ||||
| 3417 | // These types should never be variably-modified. | |||
| 3418 | case Type::Builtin: | |||
| 3419 | case Type::Complex: | |||
| 3420 | case Type::Vector: | |||
| 3421 | case Type::DependentVector: | |||
| 3422 | case Type::ExtVector: | |||
| 3423 | case Type::DependentSizedExtVector: | |||
| 3424 | case Type::ConstantMatrix: | |||
| 3425 | case Type::DependentSizedMatrix: | |||
| 3426 | case Type::DependentAddressSpace: | |||
| 3427 | case Type::ObjCObject: | |||
| 3428 | case Type::ObjCInterface: | |||
| 3429 | case Type::ObjCObjectPointer: | |||
| 3430 | case Type::Record: | |||
| 3431 | case Type::Enum: | |||
| 3432 | case Type::UnresolvedUsing: | |||
| 3433 | case Type::TypeOfExpr: | |||
| 3434 | case Type::TypeOf: | |||
| 3435 | case Type::Decltype: | |||
| 3436 | case Type::UnaryTransform: | |||
| 3437 | case Type::DependentName: | |||
| 3438 | case Type::InjectedClassName: | |||
| 3439 | case Type::TemplateSpecialization: | |||
| 3440 | case Type::DependentTemplateSpecialization: | |||
| 3441 | case Type::TemplateTypeParm: | |||
| 3442 | case Type::SubstTemplateTypeParmPack: | |||
| 3443 | case Type::Auto: | |||
| 3444 | case Type::DeducedTemplateSpecialization: | |||
| 3445 | case Type::PackExpansion: | |||
| 3446 | case Type::ExtInt: | |||
| 3447 | case Type::DependentExtInt: | |||
| 3448 | llvm_unreachable("type should never be variably-modified")::llvm::llvm_unreachable_internal("type should never be variably-modified" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3448); | |||
| 3449 | ||||
| 3450 | // These types can be variably-modified but should never need to | |||
| 3451 | // further decay. | |||
| 3452 | case Type::FunctionNoProto: | |||
| 3453 | case Type::FunctionProto: | |||
| 3454 | case Type::BlockPointer: | |||
| 3455 | case Type::MemberPointer: | |||
| 3456 | case Type::Pipe: | |||
| 3457 | return type; | |||
| 3458 | ||||
| 3459 | // These types can be variably-modified. All these modifications | |||
| 3460 | // preserve structure except as noted by comments. | |||
| 3461 | // TODO: if we ever care about optimizing VLAs, there are no-op | |||
| 3462 | // optimizations available here. | |||
| 3463 | case Type::Pointer: | |||
| 3464 | result = getPointerType(getVariableArrayDecayedType( | |||
| 3465 | cast<PointerType>(ty)->getPointeeType())); | |||
| 3466 | break; | |||
| 3467 | ||||
| 3468 | case Type::LValueReference: { | |||
| 3469 | const auto *lv = cast<LValueReferenceType>(ty); | |||
| 3470 | result = getLValueReferenceType( | |||
| 3471 | getVariableArrayDecayedType(lv->getPointeeType()), | |||
| 3472 | lv->isSpelledAsLValue()); | |||
| 3473 | break; | |||
| 3474 | } | |||
| 3475 | ||||
| 3476 | case Type::RValueReference: { | |||
| 3477 | const auto *lv = cast<RValueReferenceType>(ty); | |||
| 3478 | result = getRValueReferenceType( | |||
| 3479 | getVariableArrayDecayedType(lv->getPointeeType())); | |||
| 3480 | break; | |||
| 3481 | } | |||
| 3482 | ||||
| 3483 | case Type::Atomic: { | |||
| 3484 | const auto *at = cast<AtomicType>(ty); | |||
| 3485 | result = getAtomicType(getVariableArrayDecayedType(at->getValueType())); | |||
| 3486 | break; | |||
| 3487 | } | |||
| 3488 | ||||
| 3489 | case Type::ConstantArray: { | |||
| 3490 | const auto *cat = cast<ConstantArrayType>(ty); | |||
| 3491 | result = getConstantArrayType( | |||
| 3492 | getVariableArrayDecayedType(cat->getElementType()), | |||
| 3493 | cat->getSize(), | |||
| 3494 | cat->getSizeExpr(), | |||
| 3495 | cat->getSizeModifier(), | |||
| 3496 | cat->getIndexTypeCVRQualifiers()); | |||
| 3497 | break; | |||
| 3498 | } | |||
| 3499 | ||||
| 3500 | case Type::DependentSizedArray: { | |||
| 3501 | const auto *dat = cast<DependentSizedArrayType>(ty); | |||
| 3502 | result = getDependentSizedArrayType( | |||
| 3503 | getVariableArrayDecayedType(dat->getElementType()), | |||
| 3504 | dat->getSizeExpr(), | |||
| 3505 | dat->getSizeModifier(), | |||
| 3506 | dat->getIndexTypeCVRQualifiers(), | |||
| 3507 | dat->getBracketsRange()); | |||
| 3508 | break; | |||
| 3509 | } | |||
| 3510 | ||||
| 3511 | // Turn incomplete types into [*] types. | |||
| 3512 | case Type::IncompleteArray: { | |||
| 3513 | const auto *iat = cast<IncompleteArrayType>(ty); | |||
| 3514 | result = getVariableArrayType( | |||
| 3515 | getVariableArrayDecayedType(iat->getElementType()), | |||
| 3516 | /*size*/ nullptr, | |||
| 3517 | ArrayType::Normal, | |||
| 3518 | iat->getIndexTypeCVRQualifiers(), | |||
| 3519 | SourceRange()); | |||
| 3520 | break; | |||
| 3521 | } | |||
| 3522 | ||||
| 3523 | // Turn VLA types into [*] types. | |||
| 3524 | case Type::VariableArray: { | |||
| 3525 | const auto *vat = cast<VariableArrayType>(ty); | |||
| 3526 | result = getVariableArrayType( | |||
| 3527 | getVariableArrayDecayedType(vat->getElementType()), | |||
| 3528 | /*size*/ nullptr, | |||
| 3529 | ArrayType::Star, | |||
| 3530 | vat->getIndexTypeCVRQualifiers(), | |||
| 3531 | vat->getBracketsRange()); | |||
| 3532 | break; | |||
| 3533 | } | |||
| 3534 | } | |||
| 3535 | ||||
| 3536 | // Apply the top-level qualifiers from the original. | |||
| 3537 | return getQualifiedType(result, split.Quals); | |||
| 3538 | } | |||
| 3539 | ||||
| 3540 | /// getVariableArrayType - Returns a non-unique reference to the type for a | |||
| 3541 | /// variable array of the specified element type. | |||
| 3542 | QualType ASTContext::getVariableArrayType(QualType EltTy, | |||
| 3543 | Expr *NumElts, | |||
| 3544 | ArrayType::ArraySizeModifier ASM, | |||
| 3545 | unsigned IndexTypeQuals, | |||
| 3546 | SourceRange Brackets) const { | |||
| 3547 | // Since we don't unique expressions, it isn't possible to unique VLA's | |||
| 3548 | // that have an expression provided for their size. | |||
| 3549 | QualType Canon; | |||
| 3550 | ||||
| 3551 | // Be sure to pull qualifiers off the element type. | |||
| 3552 | if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { | |||
| 3553 | SplitQualType canonSplit = getCanonicalType(EltTy).split(); | |||
| 3554 | Canon = getVariableArrayType(QualType(canonSplit.Ty, 0), NumElts, ASM, | |||
| 3555 | IndexTypeQuals, Brackets); | |||
| 3556 | Canon = getQualifiedType(Canon, canonSplit.Quals); | |||
| 3557 | } | |||
| 3558 | ||||
| 3559 | auto *New = new (*this, TypeAlignment) | |||
| 3560 | VariableArrayType(EltTy, Canon, NumElts, ASM, IndexTypeQuals, Brackets); | |||
| 3561 | ||||
| 3562 | VariableArrayTypes.push_back(New); | |||
| 3563 | Types.push_back(New); | |||
| 3564 | return QualType(New, 0); | |||
| 3565 | } | |||
| 3566 | ||||
| 3567 | /// getDependentSizedArrayType - Returns a non-unique reference to | |||
| 3568 | /// the type for a dependently-sized array of the specified element | |||
| 3569 | /// type. | |||
| 3570 | QualType ASTContext::getDependentSizedArrayType(QualType elementType, | |||
| 3571 | Expr *numElements, | |||
| 3572 | ArrayType::ArraySizeModifier ASM, | |||
| 3573 | unsigned elementTypeQuals, | |||
| 3574 | SourceRange brackets) const { | |||
| 3575 | assert((!numElements || numElements->isTypeDependent() ||(((!numElements || numElements->isTypeDependent() || numElements ->isValueDependent()) && "Size must be type- or value-dependent!" ) ? static_cast<void> (0) : __assert_fail ("(!numElements || numElements->isTypeDependent() || numElements->isValueDependent()) && \"Size must be type- or value-dependent!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3577, __PRETTY_FUNCTION__)) | |||
| 3576 | numElements->isValueDependent()) &&(((!numElements || numElements->isTypeDependent() || numElements ->isValueDependent()) && "Size must be type- or value-dependent!" ) ? static_cast<void> (0) : __assert_fail ("(!numElements || numElements->isTypeDependent() || numElements->isValueDependent()) && \"Size must be type- or value-dependent!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3577, __PRETTY_FUNCTION__)) | |||
| 3577 | "Size must be type- or value-dependent!")(((!numElements || numElements->isTypeDependent() || numElements ->isValueDependent()) && "Size must be type- or value-dependent!" ) ? static_cast<void> (0) : __assert_fail ("(!numElements || numElements->isTypeDependent() || numElements->isValueDependent()) && \"Size must be type- or value-dependent!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3577, __PRETTY_FUNCTION__)); | |||
| 3578 | ||||
| 3579 | // Dependently-sized array types that do not have a specified number | |||
| 3580 | // of elements will have their sizes deduced from a dependent | |||
| 3581 | // initializer. We do no canonicalization here at all, which is okay | |||
| 3582 | // because they can't be used in most locations. | |||
| 3583 | if (!numElements) { | |||
| 3584 | auto *newType | |||
| 3585 | = new (*this, TypeAlignment) | |||
| 3586 | DependentSizedArrayType(*this, elementType, QualType(), | |||
| 3587 | numElements, ASM, elementTypeQuals, | |||
| 3588 | brackets); | |||
| 3589 | Types.push_back(newType); | |||
| 3590 | return QualType(newType, 0); | |||
| 3591 | } | |||
| 3592 | ||||
| 3593 | // Otherwise, we actually build a new type every time, but we | |||
| 3594 | // also build a canonical type. | |||
| 3595 | ||||
| 3596 | SplitQualType canonElementType = getCanonicalType(elementType).split(); | |||
| 3597 | ||||
| 3598 | void *insertPos = nullptr; | |||
| 3599 | llvm::FoldingSetNodeID ID; | |||
| 3600 | DependentSizedArrayType::Profile(ID, *this, | |||
| 3601 | QualType(canonElementType.Ty, 0), | |||
| 3602 | ASM, elementTypeQuals, numElements); | |||
| 3603 | ||||
| 3604 | // Look for an existing type with these properties. | |||
| 3605 | DependentSizedArrayType *canonTy = | |||
| 3606 | DependentSizedArrayTypes.FindNodeOrInsertPos(ID, insertPos); | |||
| 3607 | ||||
| 3608 | // If we don't have one, build one. | |||
| 3609 | if (!canonTy) { | |||
| 3610 | canonTy = new (*this, TypeAlignment) | |||
| 3611 | DependentSizedArrayType(*this, QualType(canonElementType.Ty, 0), | |||
| 3612 | QualType(), numElements, ASM, elementTypeQuals, | |||
| 3613 | brackets); | |||
| 3614 | DependentSizedArrayTypes.InsertNode(canonTy, insertPos); | |||
| 3615 | Types.push_back(canonTy); | |||
| 3616 | } | |||
| 3617 | ||||
| 3618 | // Apply qualifiers from the element type to the array. | |||
| 3619 | QualType canon = getQualifiedType(QualType(canonTy,0), | |||
| 3620 | canonElementType.Quals); | |||
| 3621 | ||||
| 3622 | // If we didn't need extra canonicalization for the element type or the size | |||
| 3623 | // expression, then just use that as our result. | |||
| 3624 | if (QualType(canonElementType.Ty, 0) == elementType && | |||
| 3625 | canonTy->getSizeExpr() == numElements) | |||
| 3626 | return canon; | |||
| 3627 | ||||
| 3628 | // Otherwise, we need to build a type which follows the spelling | |||
| 3629 | // of the element type. | |||
| 3630 | auto *sugaredType | |||
| 3631 | = new (*this, TypeAlignment) | |||
| 3632 | DependentSizedArrayType(*this, elementType, canon, numElements, | |||
| 3633 | ASM, elementTypeQuals, brackets); | |||
| 3634 | Types.push_back(sugaredType); | |||
| 3635 | return QualType(sugaredType, 0); | |||
| 3636 | } | |||
| 3637 | ||||
| 3638 | QualType ASTContext::getIncompleteArrayType(QualType elementType, | |||
| 3639 | ArrayType::ArraySizeModifier ASM, | |||
| 3640 | unsigned elementTypeQuals) const { | |||
| 3641 | llvm::FoldingSetNodeID ID; | |||
| 3642 | IncompleteArrayType::Profile(ID, elementType, ASM, elementTypeQuals); | |||
| 3643 | ||||
| 3644 | void *insertPos = nullptr; | |||
| 3645 | if (IncompleteArrayType *iat = | |||
| 3646 | IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos)) | |||
| 3647 | return QualType(iat, 0); | |||
| 3648 | ||||
| 3649 | // If the element type isn't canonical, this won't be a canonical type | |||
| 3650 | // either, so fill in the canonical type field. We also have to pull | |||
| 3651 | // qualifiers off the element type. | |||
| 3652 | QualType canon; | |||
| 3653 | ||||
| 3654 | if (!elementType.isCanonical() || elementType.hasLocalQualifiers()) { | |||
| 3655 | SplitQualType canonSplit = getCanonicalType(elementType).split(); | |||
| 3656 | canon = getIncompleteArrayType(QualType(canonSplit.Ty, 0), | |||
| 3657 | ASM, elementTypeQuals); | |||
| 3658 | canon = getQualifiedType(canon, canonSplit.Quals); | |||
| 3659 | ||||
| 3660 | // Get the new insert position for the node we care about. | |||
| 3661 | IncompleteArrayType *existing = | |||
| 3662 | IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos); | |||
| 3663 | assert(!existing && "Shouldn't be in the map!")((!existing && "Shouldn't be in the map!") ? static_cast <void> (0) : __assert_fail ("!existing && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3663, __PRETTY_FUNCTION__)); (void) existing; | |||
| 3664 | } | |||
| 3665 | ||||
| 3666 | auto *newType = new (*this, TypeAlignment) | |||
| 3667 | IncompleteArrayType(elementType, canon, ASM, elementTypeQuals); | |||
| 3668 | ||||
| 3669 | IncompleteArrayTypes.InsertNode(newType, insertPos); | |||
| 3670 | Types.push_back(newType); | |||
| 3671 | return QualType(newType, 0); | |||
| 3672 | } | |||
| 3673 | ||||
| 3674 | ASTContext::BuiltinVectorTypeInfo | |||
| 3675 | ASTContext::getBuiltinVectorTypeInfo(const BuiltinType *Ty) const { | |||
| 3676 | #define SVE_INT_ELTTY(BITS, ELTS, SIGNED, NUMVECTORS){getIntTypeForBitwidth(BITS, SIGNED), llvm::ElementCount::getScalable (ELTS), NUMVECTORS}; \ | |||
| 3677 | {getIntTypeForBitwidth(BITS, SIGNED), llvm::ElementCount::getScalable(ELTS), \ | |||
| 3678 | NUMVECTORS}; | |||
| 3679 | ||||
| 3680 | #define SVE_ELTTY(ELTTY, ELTS, NUMVECTORS){ELTTY, llvm::ElementCount::getScalable(ELTS), NUMVECTORS}; \ | |||
| 3681 | {ELTTY, llvm::ElementCount::getScalable(ELTS), NUMVECTORS}; | |||
| 3682 | ||||
| 3683 | switch (Ty->getKind()) { | |||
| 3684 | default: | |||
| 3685 | llvm_unreachable("Unsupported builtin vector type")::llvm::llvm_unreachable_internal("Unsupported builtin vector type" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3685); | |||
| 3686 | case BuiltinType::SveInt8: | |||
| 3687 | return SVE_INT_ELTTY(8, 16, true, 1){getIntTypeForBitwidth(8, true), llvm::ElementCount::getScalable (16), 1};; | |||
| 3688 | case BuiltinType::SveUint8: | |||
| 3689 | return SVE_INT_ELTTY(8, 16, false, 1){getIntTypeForBitwidth(8, false), llvm::ElementCount::getScalable (16), 1};; | |||
| 3690 | case BuiltinType::SveInt8x2: | |||
| 3691 | return SVE_INT_ELTTY(8, 16, true, 2){getIntTypeForBitwidth(8, true), llvm::ElementCount::getScalable (16), 2};; | |||
| 3692 | case BuiltinType::SveUint8x2: | |||
| 3693 | return SVE_INT_ELTTY(8, 16, false, 2){getIntTypeForBitwidth(8, false), llvm::ElementCount::getScalable (16), 2};; | |||
| 3694 | case BuiltinType::SveInt8x3: | |||
| 3695 | return SVE_INT_ELTTY(8, 16, true, 3){getIntTypeForBitwidth(8, true), llvm::ElementCount::getScalable (16), 3};; | |||
| 3696 | case BuiltinType::SveUint8x3: | |||
| 3697 | return SVE_INT_ELTTY(8, 16, false, 3){getIntTypeForBitwidth(8, false), llvm::ElementCount::getScalable (16), 3};; | |||
| 3698 | case BuiltinType::SveInt8x4: | |||
| 3699 | return SVE_INT_ELTTY(8, 16, true, 4){getIntTypeForBitwidth(8, true), llvm::ElementCount::getScalable (16), 4};; | |||
| 3700 | case BuiltinType::SveUint8x4: | |||
| 3701 | return SVE_INT_ELTTY(8, 16, false, 4){getIntTypeForBitwidth(8, false), llvm::ElementCount::getScalable (16), 4};; | |||
| 3702 | case BuiltinType::SveInt16: | |||
| 3703 | return SVE_INT_ELTTY(16, 8, true, 1){getIntTypeForBitwidth(16, true), llvm::ElementCount::getScalable (8), 1};; | |||
| 3704 | case BuiltinType::SveUint16: | |||
| 3705 | return SVE_INT_ELTTY(16, 8, false, 1){getIntTypeForBitwidth(16, false), llvm::ElementCount::getScalable (8), 1};; | |||
| 3706 | case BuiltinType::SveInt16x2: | |||
| 3707 | return SVE_INT_ELTTY(16, 8, true, 2){getIntTypeForBitwidth(16, true), llvm::ElementCount::getScalable (8), 2};; | |||
| 3708 | case BuiltinType::SveUint16x2: | |||
| 3709 | return SVE_INT_ELTTY(16, 8, false, 2){getIntTypeForBitwidth(16, false), llvm::ElementCount::getScalable (8), 2};; | |||
| 3710 | case BuiltinType::SveInt16x3: | |||
| 3711 | return SVE_INT_ELTTY(16, 8, true, 3){getIntTypeForBitwidth(16, true), llvm::ElementCount::getScalable (8), 3};; | |||
| 3712 | case BuiltinType::SveUint16x3: | |||
| 3713 | return SVE_INT_ELTTY(16, 8, false, 3){getIntTypeForBitwidth(16, false), llvm::ElementCount::getScalable (8), 3};; | |||
| 3714 | case BuiltinType::SveInt16x4: | |||
| 3715 | return SVE_INT_ELTTY(16, 8, true, 4){getIntTypeForBitwidth(16, true), llvm::ElementCount::getScalable (8), 4};; | |||
| 3716 | case BuiltinType::SveUint16x4: | |||
| 3717 | return SVE_INT_ELTTY(16, 8, false, 4){getIntTypeForBitwidth(16, false), llvm::ElementCount::getScalable (8), 4};; | |||
| 3718 | case BuiltinType::SveInt32: | |||
| 3719 | return SVE_INT_ELTTY(32, 4, true, 1){getIntTypeForBitwidth(32, true), llvm::ElementCount::getScalable (4), 1};; | |||
| 3720 | case BuiltinType::SveUint32: | |||
| 3721 | return SVE_INT_ELTTY(32, 4, false, 1){getIntTypeForBitwidth(32, false), llvm::ElementCount::getScalable (4), 1};; | |||
| 3722 | case BuiltinType::SveInt32x2: | |||
| 3723 | return SVE_INT_ELTTY(32, 4, true, 2){getIntTypeForBitwidth(32, true), llvm::ElementCount::getScalable (4), 2};; | |||
| 3724 | case BuiltinType::SveUint32x2: | |||
| 3725 | return SVE_INT_ELTTY(32, 4, false, 2){getIntTypeForBitwidth(32, false), llvm::ElementCount::getScalable (4), 2};; | |||
| 3726 | case BuiltinType::SveInt32x3: | |||
| 3727 | return SVE_INT_ELTTY(32, 4, true, 3){getIntTypeForBitwidth(32, true), llvm::ElementCount::getScalable (4), 3};; | |||
| 3728 | case BuiltinType::SveUint32x3: | |||
| 3729 | return SVE_INT_ELTTY(32, 4, false, 3){getIntTypeForBitwidth(32, false), llvm::ElementCount::getScalable (4), 3};; | |||
| 3730 | case BuiltinType::SveInt32x4: | |||
| 3731 | return SVE_INT_ELTTY(32, 4, true, 4){getIntTypeForBitwidth(32, true), llvm::ElementCount::getScalable (4), 4};; | |||
| 3732 | case BuiltinType::SveUint32x4: | |||
| 3733 | return SVE_INT_ELTTY(32, 4, false, 4){getIntTypeForBitwidth(32, false), llvm::ElementCount::getScalable (4), 4};; | |||
| 3734 | case BuiltinType::SveInt64: | |||
| 3735 | return SVE_INT_ELTTY(64, 2, true, 1){getIntTypeForBitwidth(64, true), llvm::ElementCount::getScalable (2), 1};; | |||
| 3736 | case BuiltinType::SveUint64: | |||
| 3737 | return SVE_INT_ELTTY(64, 2, false, 1){getIntTypeForBitwidth(64, false), llvm::ElementCount::getScalable (2), 1};; | |||
| 3738 | case BuiltinType::SveInt64x2: | |||
| 3739 | return SVE_INT_ELTTY(64, 2, true, 2){getIntTypeForBitwidth(64, true), llvm::ElementCount::getScalable (2), 2};; | |||
| 3740 | case BuiltinType::SveUint64x2: | |||
| 3741 | return SVE_INT_ELTTY(64, 2, false, 2){getIntTypeForBitwidth(64, false), llvm::ElementCount::getScalable (2), 2};; | |||
| 3742 | case BuiltinType::SveInt64x3: | |||
| 3743 | return SVE_INT_ELTTY(64, 2, true, 3){getIntTypeForBitwidth(64, true), llvm::ElementCount::getScalable (2), 3};; | |||
| 3744 | case BuiltinType::SveUint64x3: | |||
| 3745 | return SVE_INT_ELTTY(64, 2, false, 3){getIntTypeForBitwidth(64, false), llvm::ElementCount::getScalable (2), 3};; | |||
| 3746 | case BuiltinType::SveInt64x4: | |||
| 3747 | return SVE_INT_ELTTY(64, 2, true, 4){getIntTypeForBitwidth(64, true), llvm::ElementCount::getScalable (2), 4};; | |||
| 3748 | case BuiltinType::SveUint64x4: | |||
| 3749 | return SVE_INT_ELTTY(64, 2, false, 4){getIntTypeForBitwidth(64, false), llvm::ElementCount::getScalable (2), 4};; | |||
| 3750 | case BuiltinType::SveBool: | |||
| 3751 | return SVE_ELTTY(BoolTy, 16, 1){BoolTy, llvm::ElementCount::getScalable(16), 1};; | |||
| 3752 | case BuiltinType::SveFloat16: | |||
| 3753 | return SVE_ELTTY(HalfTy, 8, 1){HalfTy, llvm::ElementCount::getScalable(8), 1};; | |||
| 3754 | case BuiltinType::SveFloat16x2: | |||
| 3755 | return SVE_ELTTY(HalfTy, 8, 2){HalfTy, llvm::ElementCount::getScalable(8), 2};; | |||
| 3756 | case BuiltinType::SveFloat16x3: | |||
| 3757 | return SVE_ELTTY(HalfTy, 8, 3){HalfTy, llvm::ElementCount::getScalable(8), 3};; | |||
| 3758 | case BuiltinType::SveFloat16x4: | |||
| 3759 | return SVE_ELTTY(HalfTy, 8, 4){HalfTy, llvm::ElementCount::getScalable(8), 4};; | |||
| 3760 | case BuiltinType::SveFloat32: | |||
| 3761 | return SVE_ELTTY(FloatTy, 4, 1){FloatTy, llvm::ElementCount::getScalable(4), 1};; | |||
| 3762 | case BuiltinType::SveFloat32x2: | |||
| 3763 | return SVE_ELTTY(FloatTy, 4, 2){FloatTy, llvm::ElementCount::getScalable(4), 2};; | |||
| 3764 | case BuiltinType::SveFloat32x3: | |||
| 3765 | return SVE_ELTTY(FloatTy, 4, 3){FloatTy, llvm::ElementCount::getScalable(4), 3};; | |||
| 3766 | case BuiltinType::SveFloat32x4: | |||
| 3767 | return SVE_ELTTY(FloatTy, 4, 4){FloatTy, llvm::ElementCount::getScalable(4), 4};; | |||
| 3768 | case BuiltinType::SveFloat64: | |||
| 3769 | return SVE_ELTTY(DoubleTy, 2, 1){DoubleTy, llvm::ElementCount::getScalable(2), 1};; | |||
| 3770 | case BuiltinType::SveFloat64x2: | |||
| 3771 | return SVE_ELTTY(DoubleTy, 2, 2){DoubleTy, llvm::ElementCount::getScalable(2), 2};; | |||
| 3772 | case BuiltinType::SveFloat64x3: | |||
| 3773 | return SVE_ELTTY(DoubleTy, 2, 3){DoubleTy, llvm::ElementCount::getScalable(2), 3};; | |||
| 3774 | case BuiltinType::SveFloat64x4: | |||
| 3775 | return SVE_ELTTY(DoubleTy, 2, 4){DoubleTy, llvm::ElementCount::getScalable(2), 4};; | |||
| 3776 | case BuiltinType::SveBFloat16: | |||
| 3777 | return SVE_ELTTY(BFloat16Ty, 8, 1){BFloat16Ty, llvm::ElementCount::getScalable(8), 1};; | |||
| 3778 | case BuiltinType::SveBFloat16x2: | |||
| 3779 | return SVE_ELTTY(BFloat16Ty, 8, 2){BFloat16Ty, llvm::ElementCount::getScalable(8), 2};; | |||
| 3780 | case BuiltinType::SveBFloat16x3: | |||
| 3781 | return SVE_ELTTY(BFloat16Ty, 8, 3){BFloat16Ty, llvm::ElementCount::getScalable(8), 3};; | |||
| 3782 | case BuiltinType::SveBFloat16x4: | |||
| 3783 | return SVE_ELTTY(BFloat16Ty, 8, 4){BFloat16Ty, llvm::ElementCount::getScalable(8), 4};; | |||
| 3784 | } | |||
| 3785 | } | |||
| 3786 | ||||
| 3787 | /// getScalableVectorType - Return the unique reference to a scalable vector | |||
| 3788 | /// type of the specified element type and size. VectorType must be a built-in | |||
| 3789 | /// type. | |||
| 3790 | QualType ASTContext::getScalableVectorType(QualType EltTy, | |||
| 3791 | unsigned NumElts) const { | |||
| 3792 | if (Target->hasAArch64SVETypes()) { | |||
| 3793 | uint64_t EltTySize = getTypeSize(EltTy); | |||
| 3794 | #define SVE_VECTOR_TYPE(Name, MangledName, Id, SingletonId, NumEls, ElBits, \ | |||
| 3795 | IsSigned, IsFP, IsBF) \ | |||
| 3796 | if (!EltTy->isBooleanType() && \ | |||
| 3797 | ((EltTy->hasIntegerRepresentation() && \ | |||
| 3798 | EltTy->hasSignedIntegerRepresentation() == IsSigned) || \ | |||
| 3799 | (EltTy->hasFloatingRepresentation() && !EltTy->isBFloat16Type() && \ | |||
| 3800 | IsFP && !IsBF) || \ | |||
| 3801 | (EltTy->hasFloatingRepresentation() && EltTy->isBFloat16Type() && \ | |||
| 3802 | IsBF && !IsFP)) && \ | |||
| 3803 | EltTySize == ElBits && NumElts == NumEls) { \ | |||
| 3804 | return SingletonId; \ | |||
| 3805 | } | |||
| 3806 | #define SVE_PREDICATE_TYPE(Name, MangledName, Id, SingletonId, NumEls) \ | |||
| 3807 | if (EltTy->isBooleanType() && NumElts == NumEls) \ | |||
| 3808 | return SingletonId; | |||
| 3809 | #include "clang/Basic/AArch64SVEACLETypes.def" | |||
| 3810 | } | |||
| 3811 | return QualType(); | |||
| 3812 | } | |||
| 3813 | ||||
| 3814 | /// getVectorType - Return the unique reference to a vector type of | |||
| 3815 | /// the specified element type and size. VectorType must be a built-in type. | |||
| 3816 | QualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, | |||
| 3817 | VectorType::VectorKind VecKind) const { | |||
| 3818 | assert(vecType->isBuiltinType())((vecType->isBuiltinType()) ? static_cast<void> (0) : __assert_fail ("vecType->isBuiltinType()", "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3818, __PRETTY_FUNCTION__)); | |||
| 3819 | ||||
| 3820 | // Check if we've already instantiated a vector of this type. | |||
| 3821 | llvm::FoldingSetNodeID ID; | |||
| 3822 | VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); | |||
| 3823 | ||||
| 3824 | void *InsertPos = nullptr; | |||
| 3825 | if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 3826 | return QualType(VTP, 0); | |||
| 3827 | ||||
| 3828 | // If the element type isn't canonical, this won't be a canonical type either, | |||
| 3829 | // so fill in the canonical type field. | |||
| 3830 | QualType Canonical; | |||
| 3831 | if (!vecType.isCanonical()) { | |||
| 3832 | Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); | |||
| 3833 | ||||
| 3834 | // Get the new insert position for the node we care about. | |||
| 3835 | VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3836 | assert(!NewIP && "Shouldn't be in the map!")((!NewIP && "Shouldn't be in the map!") ? static_cast <void> (0) : __assert_fail ("!NewIP && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3836, __PRETTY_FUNCTION__)); (void)NewIP; | |||
| 3837 | } | |||
| 3838 | auto *New = new (*this, TypeAlignment) | |||
| 3839 | VectorType(vecType, NumElts, Canonical, VecKind); | |||
| 3840 | VectorTypes.InsertNode(New, InsertPos); | |||
| 3841 | Types.push_back(New); | |||
| 3842 | return QualType(New, 0); | |||
| 3843 | } | |||
| 3844 | ||||
| 3845 | QualType | |||
| 3846 | ASTContext::getDependentVectorType(QualType VecType, Expr *SizeExpr, | |||
| 3847 | SourceLocation AttrLoc, | |||
| 3848 | VectorType::VectorKind VecKind) const { | |||
| 3849 | llvm::FoldingSetNodeID ID; | |||
| 3850 | DependentVectorType::Profile(ID, *this, getCanonicalType(VecType), SizeExpr, | |||
| 3851 | VecKind); | |||
| 3852 | void *InsertPos = nullptr; | |||
| 3853 | DependentVectorType *Canon = | |||
| 3854 | DependentVectorTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3855 | DependentVectorType *New; | |||
| 3856 | ||||
| 3857 | if (Canon) { | |||
| 3858 | New = new (*this, TypeAlignment) DependentVectorType( | |||
| 3859 | *this, VecType, QualType(Canon, 0), SizeExpr, AttrLoc, VecKind); | |||
| 3860 | } else { | |||
| 3861 | QualType CanonVecTy = getCanonicalType(VecType); | |||
| 3862 | if (CanonVecTy == VecType) { | |||
| 3863 | New = new (*this, TypeAlignment) DependentVectorType( | |||
| 3864 | *this, VecType, QualType(), SizeExpr, AttrLoc, VecKind); | |||
| 3865 | ||||
| 3866 | DependentVectorType *CanonCheck = | |||
| 3867 | DependentVectorTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3868 | assert(!CanonCheck &&((!CanonCheck && "Dependent-sized vector_size canonical type broken" ) ? static_cast<void> (0) : __assert_fail ("!CanonCheck && \"Dependent-sized vector_size canonical type broken\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3869, __PRETTY_FUNCTION__)) | |||
| 3869 | "Dependent-sized vector_size canonical type broken")((!CanonCheck && "Dependent-sized vector_size canonical type broken" ) ? static_cast<void> (0) : __assert_fail ("!CanonCheck && \"Dependent-sized vector_size canonical type broken\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3869, __PRETTY_FUNCTION__)); | |||
| 3870 | (void)CanonCheck; | |||
| 3871 | DependentVectorTypes.InsertNode(New, InsertPos); | |||
| 3872 | } else { | |||
| 3873 | QualType CanonTy = getDependentVectorType(CanonVecTy, SizeExpr, | |||
| 3874 | SourceLocation(), VecKind); | |||
| 3875 | New = new (*this, TypeAlignment) DependentVectorType( | |||
| 3876 | *this, VecType, CanonTy, SizeExpr, AttrLoc, VecKind); | |||
| 3877 | } | |||
| 3878 | } | |||
| 3879 | ||||
| 3880 | Types.push_back(New); | |||
| 3881 | return QualType(New, 0); | |||
| 3882 | } | |||
| 3883 | ||||
| 3884 | /// getExtVectorType - Return the unique reference to an extended vector type of | |||
| 3885 | /// the specified element type and size. VectorType must be a built-in type. | |||
| 3886 | QualType | |||
| 3887 | ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) const { | |||
| 3888 | assert(vecType->isBuiltinType() || vecType->isDependentType())((vecType->isBuiltinType() || vecType->isDependentType( )) ? static_cast<void> (0) : __assert_fail ("vecType->isBuiltinType() || vecType->isDependentType()" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3888, __PRETTY_FUNCTION__)); | |||
| 3889 | ||||
| 3890 | // Check if we've already instantiated a vector of this type. | |||
| 3891 | llvm::FoldingSetNodeID ID; | |||
| 3892 | VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, | |||
| 3893 | VectorType::GenericVector); | |||
| 3894 | void *InsertPos = nullptr; | |||
| 3895 | if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 3896 | return QualType(VTP, 0); | |||
| 3897 | ||||
| 3898 | // If the element type isn't canonical, this won't be a canonical type either, | |||
| 3899 | // so fill in the canonical type field. | |||
| 3900 | QualType Canonical; | |||
| 3901 | if (!vecType.isCanonical()) { | |||
| 3902 | Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); | |||
| 3903 | ||||
| 3904 | // Get the new insert position for the node we care about. | |||
| 3905 | VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3906 | assert(!NewIP && "Shouldn't be in the map!")((!NewIP && "Shouldn't be in the map!") ? static_cast <void> (0) : __assert_fail ("!NewIP && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3906, __PRETTY_FUNCTION__)); (void)NewIP; | |||
| 3907 | } | |||
| 3908 | auto *New = new (*this, TypeAlignment) | |||
| 3909 | ExtVectorType(vecType, NumElts, Canonical); | |||
| 3910 | VectorTypes.InsertNode(New, InsertPos); | |||
| 3911 | Types.push_back(New); | |||
| 3912 | return QualType(New, 0); | |||
| 3913 | } | |||
| 3914 | ||||
| 3915 | QualType | |||
| 3916 | ASTContext::getDependentSizedExtVectorType(QualType vecType, | |||
| 3917 | Expr *SizeExpr, | |||
| 3918 | SourceLocation AttrLoc) const { | |||
| 3919 | llvm::FoldingSetNodeID ID; | |||
| 3920 | DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), | |||
| 3921 | SizeExpr); | |||
| 3922 | ||||
| 3923 | void *InsertPos = nullptr; | |||
| 3924 | DependentSizedExtVectorType *Canon | |||
| 3925 | = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3926 | DependentSizedExtVectorType *New; | |||
| 3927 | if (Canon) { | |||
| 3928 | // We already have a canonical version of this array type; use it as | |||
| 3929 | // the canonical type for a newly-built type. | |||
| 3930 | New = new (*this, TypeAlignment) | |||
| 3931 | DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), | |||
| 3932 | SizeExpr, AttrLoc); | |||
| 3933 | } else { | |||
| 3934 | QualType CanonVecTy = getCanonicalType(vecType); | |||
| 3935 | if (CanonVecTy == vecType) { | |||
| 3936 | New = new (*this, TypeAlignment) | |||
| 3937 | DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, | |||
| 3938 | AttrLoc); | |||
| 3939 | ||||
| 3940 | DependentSizedExtVectorType *CanonCheck | |||
| 3941 | = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3942 | assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken")((!CanonCheck && "Dependent-sized ext_vector canonical type broken" ) ? static_cast<void> (0) : __assert_fail ("!CanonCheck && \"Dependent-sized ext_vector canonical type broken\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3942, __PRETTY_FUNCTION__)); | |||
| 3943 | (void)CanonCheck; | |||
| 3944 | DependentSizedExtVectorTypes.InsertNode(New, InsertPos); | |||
| 3945 | } else { | |||
| 3946 | QualType CanonExtTy = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, | |||
| 3947 | SourceLocation()); | |||
| 3948 | New = new (*this, TypeAlignment) DependentSizedExtVectorType( | |||
| 3949 | *this, vecType, CanonExtTy, SizeExpr, AttrLoc); | |||
| 3950 | } | |||
| 3951 | } | |||
| 3952 | ||||
| 3953 | Types.push_back(New); | |||
| 3954 | return QualType(New, 0); | |||
| 3955 | } | |||
| 3956 | ||||
| 3957 | QualType ASTContext::getConstantMatrixType(QualType ElementTy, unsigned NumRows, | |||
| 3958 | unsigned NumColumns) const { | |||
| 3959 | llvm::FoldingSetNodeID ID; | |||
| 3960 | ConstantMatrixType::Profile(ID, ElementTy, NumRows, NumColumns, | |||
| 3961 | Type::ConstantMatrix); | |||
| 3962 | ||||
| 3963 | assert(MatrixType::isValidElementType(ElementTy) &&((MatrixType::isValidElementType(ElementTy) && "need a valid element type" ) ? static_cast<void> (0) : __assert_fail ("MatrixType::isValidElementType(ElementTy) && \"need a valid element type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3964, __PRETTY_FUNCTION__)) | |||
| 3964 | "need a valid element type")((MatrixType::isValidElementType(ElementTy) && "need a valid element type" ) ? static_cast<void> (0) : __assert_fail ("MatrixType::isValidElementType(ElementTy) && \"need a valid element type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3964, __PRETTY_FUNCTION__)); | |||
| 3965 | assert(ConstantMatrixType::isDimensionValid(NumRows) &&((ConstantMatrixType::isDimensionValid(NumRows) && ConstantMatrixType ::isDimensionValid(NumColumns) && "need valid matrix dimensions" ) ? static_cast<void> (0) : __assert_fail ("ConstantMatrixType::isDimensionValid(NumRows) && ConstantMatrixType::isDimensionValid(NumColumns) && \"need valid matrix dimensions\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3967, __PRETTY_FUNCTION__)) | |||
| 3966 | ConstantMatrixType::isDimensionValid(NumColumns) &&((ConstantMatrixType::isDimensionValid(NumRows) && ConstantMatrixType ::isDimensionValid(NumColumns) && "need valid matrix dimensions" ) ? static_cast<void> (0) : __assert_fail ("ConstantMatrixType::isDimensionValid(NumRows) && ConstantMatrixType::isDimensionValid(NumColumns) && \"need valid matrix dimensions\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3967, __PRETTY_FUNCTION__)) | |||
| 3967 | "need valid matrix dimensions")((ConstantMatrixType::isDimensionValid(NumRows) && ConstantMatrixType ::isDimensionValid(NumColumns) && "need valid matrix dimensions" ) ? static_cast<void> (0) : __assert_fail ("ConstantMatrixType::isDimensionValid(NumRows) && ConstantMatrixType::isDimensionValid(NumColumns) && \"need valid matrix dimensions\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3967, __PRETTY_FUNCTION__)); | |||
| 3968 | void *InsertPos = nullptr; | |||
| 3969 | if (ConstantMatrixType *MTP = MatrixTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 3970 | return QualType(MTP, 0); | |||
| 3971 | ||||
| 3972 | QualType Canonical; | |||
| 3973 | if (!ElementTy.isCanonical()) { | |||
| 3974 | Canonical = | |||
| 3975 | getConstantMatrixType(getCanonicalType(ElementTy), NumRows, NumColumns); | |||
| 3976 | ||||
| 3977 | ConstantMatrixType *NewIP = MatrixTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 3978 | assert(!NewIP && "Matrix type shouldn't already exist in the map")((!NewIP && "Matrix type shouldn't already exist in the map" ) ? static_cast<void> (0) : __assert_fail ("!NewIP && \"Matrix type shouldn't already exist in the map\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 3978, __PRETTY_FUNCTION__)); | |||
| 3979 | (void)NewIP; | |||
| 3980 | } | |||
| 3981 | ||||
| 3982 | auto *New = new (*this, TypeAlignment) | |||
| 3983 | ConstantMatrixType(ElementTy, NumRows, NumColumns, Canonical); | |||
| 3984 | MatrixTypes.InsertNode(New, InsertPos); | |||
| 3985 | Types.push_back(New); | |||
| 3986 | return QualType(New, 0); | |||
| 3987 | } | |||
| 3988 | ||||
| 3989 | QualType ASTContext::getDependentSizedMatrixType(QualType ElementTy, | |||
| 3990 | Expr *RowExpr, | |||
| 3991 | Expr *ColumnExpr, | |||
| 3992 | SourceLocation AttrLoc) const { | |||
| 3993 | QualType CanonElementTy = getCanonicalType(ElementTy); | |||
| 3994 | llvm::FoldingSetNodeID ID; | |||
| 3995 | DependentSizedMatrixType::Profile(ID, *this, CanonElementTy, RowExpr, | |||
| 3996 | ColumnExpr); | |||
| 3997 | ||||
| 3998 | void *InsertPos = nullptr; | |||
| 3999 | DependentSizedMatrixType *Canon = | |||
| 4000 | DependentSizedMatrixTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4001 | ||||
| 4002 | if (!Canon) { | |||
| 4003 | Canon = new (*this, TypeAlignment) DependentSizedMatrixType( | |||
| 4004 | *this, CanonElementTy, QualType(), RowExpr, ColumnExpr, AttrLoc); | |||
| 4005 | #ifndef NDEBUG | |||
| 4006 | DependentSizedMatrixType *CanonCheck = | |||
| 4007 | DependentSizedMatrixTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4008 | assert(!CanonCheck && "Dependent-sized matrix canonical type broken")((!CanonCheck && "Dependent-sized matrix canonical type broken" ) ? static_cast<void> (0) : __assert_fail ("!CanonCheck && \"Dependent-sized matrix canonical type broken\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4008, __PRETTY_FUNCTION__)); | |||
| 4009 | #endif | |||
| 4010 | DependentSizedMatrixTypes.InsertNode(Canon, InsertPos); | |||
| 4011 | Types.push_back(Canon); | |||
| 4012 | } | |||
| 4013 | ||||
| 4014 | // Already have a canonical version of the matrix type | |||
| 4015 | // | |||
| 4016 | // If it exactly matches the requested type, use it directly. | |||
| 4017 | if (Canon->getElementType() == ElementTy && Canon->getRowExpr() == RowExpr && | |||
| 4018 | Canon->getRowExpr() == ColumnExpr) | |||
| 4019 | return QualType(Canon, 0); | |||
| 4020 | ||||
| 4021 | // Use Canon as the canonical type for newly-built type. | |||
| 4022 | DependentSizedMatrixType *New = new (*this, TypeAlignment) | |||
| 4023 | DependentSizedMatrixType(*this, ElementTy, QualType(Canon, 0), RowExpr, | |||
| 4024 | ColumnExpr, AttrLoc); | |||
| 4025 | Types.push_back(New); | |||
| 4026 | return QualType(New, 0); | |||
| 4027 | } | |||
| 4028 | ||||
| 4029 | QualType ASTContext::getDependentAddressSpaceType(QualType PointeeType, | |||
| 4030 | Expr *AddrSpaceExpr, | |||
| 4031 | SourceLocation AttrLoc) const { | |||
| 4032 | assert(AddrSpaceExpr->isInstantiationDependent())((AddrSpaceExpr->isInstantiationDependent()) ? static_cast <void> (0) : __assert_fail ("AddrSpaceExpr->isInstantiationDependent()" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4032, __PRETTY_FUNCTION__)); | |||
| 4033 | ||||
| 4034 | QualType canonPointeeType = getCanonicalType(PointeeType); | |||
| 4035 | ||||
| 4036 | void *insertPos = nullptr; | |||
| 4037 | llvm::FoldingSetNodeID ID; | |||
| 4038 | DependentAddressSpaceType::Profile(ID, *this, canonPointeeType, | |||
| 4039 | AddrSpaceExpr); | |||
| 4040 | ||||
| 4041 | DependentAddressSpaceType *canonTy = | |||
| 4042 | DependentAddressSpaceTypes.FindNodeOrInsertPos(ID, insertPos); | |||
| 4043 | ||||
| 4044 | if (!canonTy) { | |||
| 4045 | canonTy = new (*this, TypeAlignment) | |||
| 4046 | DependentAddressSpaceType(*this, canonPointeeType, | |||
| 4047 | QualType(), AddrSpaceExpr, AttrLoc); | |||
| 4048 | DependentAddressSpaceTypes.InsertNode(canonTy, insertPos); | |||
| 4049 | Types.push_back(canonTy); | |||
| 4050 | } | |||
| 4051 | ||||
| 4052 | if (canonPointeeType == PointeeType && | |||
| 4053 | canonTy->getAddrSpaceExpr() == AddrSpaceExpr) | |||
| 4054 | return QualType(canonTy, 0); | |||
| 4055 | ||||
| 4056 | auto *sugaredType | |||
| 4057 | = new (*this, TypeAlignment) | |||
| 4058 | DependentAddressSpaceType(*this, PointeeType, QualType(canonTy, 0), | |||
| 4059 | AddrSpaceExpr, AttrLoc); | |||
| 4060 | Types.push_back(sugaredType); | |||
| 4061 | return QualType(sugaredType, 0); | |||
| 4062 | } | |||
| 4063 | ||||
| 4064 | /// Determine whether \p T is canonical as the result type of a function. | |||
| 4065 | static bool isCanonicalResultType(QualType T) { | |||
| 4066 | return T.isCanonical() && | |||
| 4067 | (T.getObjCLifetime() == Qualifiers::OCL_None || | |||
| 4068 | T.getObjCLifetime() == Qualifiers::OCL_ExplicitNone); | |||
| 4069 | } | |||
| 4070 | ||||
| 4071 | /// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. | |||
| 4072 | QualType | |||
| 4073 | ASTContext::getFunctionNoProtoType(QualType ResultTy, | |||
| 4074 | const FunctionType::ExtInfo &Info) const { | |||
| 4075 | // Unique functions, to guarantee there is only one function of a particular | |||
| 4076 | // structure. | |||
| 4077 | llvm::FoldingSetNodeID ID; | |||
| 4078 | FunctionNoProtoType::Profile(ID, ResultTy, Info); | |||
| 4079 | ||||
| 4080 | void *InsertPos = nullptr; | |||
| 4081 | if (FunctionNoProtoType *FT = | |||
| 4082 | FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 4083 | return QualType(FT, 0); | |||
| 4084 | ||||
| 4085 | QualType Canonical; | |||
| 4086 | if (!isCanonicalResultType(ResultTy)) { | |||
| 4087 | Canonical = | |||
| 4088 | getFunctionNoProtoType(getCanonicalFunctionResultType(ResultTy), Info); | |||
| 4089 | ||||
| 4090 | // Get the new insert position for the node we care about. | |||
| 4091 | FunctionNoProtoType *NewIP = | |||
| 4092 | FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4093 | assert(!NewIP && "Shouldn't be in the map!")((!NewIP && "Shouldn't be in the map!") ? static_cast <void> (0) : __assert_fail ("!NewIP && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4093, __PRETTY_FUNCTION__)); (void)NewIP; | |||
| 4094 | } | |||
| 4095 | ||||
| 4096 | auto *New = new (*this, TypeAlignment) | |||
| 4097 | FunctionNoProtoType(ResultTy, Canonical, Info); | |||
| 4098 | Types.push_back(New); | |||
| 4099 | FunctionNoProtoTypes.InsertNode(New, InsertPos); | |||
| 4100 | return QualType(New, 0); | |||
| 4101 | } | |||
| 4102 | ||||
| 4103 | CanQualType | |||
| 4104 | ASTContext::getCanonicalFunctionResultType(QualType ResultType) const { | |||
| 4105 | CanQualType CanResultType = getCanonicalType(ResultType); | |||
| 4106 | ||||
| 4107 | // Canonical result types do not have ARC lifetime qualifiers. | |||
| 4108 | if (CanResultType.getQualifiers().hasObjCLifetime()) { | |||
| 4109 | Qualifiers Qs = CanResultType.getQualifiers(); | |||
| 4110 | Qs.removeObjCLifetime(); | |||
| 4111 | return CanQualType::CreateUnsafe( | |||
| 4112 | getQualifiedType(CanResultType.getUnqualifiedType(), Qs)); | |||
| 4113 | } | |||
| 4114 | ||||
| 4115 | return CanResultType; | |||
| 4116 | } | |||
| 4117 | ||||
| 4118 | static bool isCanonicalExceptionSpecification( | |||
| 4119 | const FunctionProtoType::ExceptionSpecInfo &ESI, bool NoexceptInType) { | |||
| 4120 | if (ESI.Type == EST_None) | |||
| 4121 | return true; | |||
| 4122 | if (!NoexceptInType) | |||
| 4123 | return false; | |||
| 4124 | ||||
| 4125 | // C++17 onwards: exception specification is part of the type, as a simple | |||
| 4126 | // boolean "can this function type throw". | |||
| 4127 | if (ESI.Type == EST_BasicNoexcept) | |||
| 4128 | return true; | |||
| 4129 | ||||
| 4130 | // A noexcept(expr) specification is (possibly) canonical if expr is | |||
| 4131 | // value-dependent. | |||
| 4132 | if (ESI.Type == EST_DependentNoexcept) | |||
| 4133 | return true; | |||
| 4134 | ||||
| 4135 | // A dynamic exception specification is canonical if it only contains pack | |||
| 4136 | // expansions (so we can't tell whether it's non-throwing) and all its | |||
| 4137 | // contained types are canonical. | |||
| 4138 | if (ESI.Type == EST_Dynamic) { | |||
| 4139 | bool AnyPackExpansions = false; | |||
| 4140 | for (QualType ET : ESI.Exceptions) { | |||
| 4141 | if (!ET.isCanonical()) | |||
| 4142 | return false; | |||
| 4143 | if (ET->getAs<PackExpansionType>()) | |||
| 4144 | AnyPackExpansions = true; | |||
| 4145 | } | |||
| 4146 | return AnyPackExpansions; | |||
| 4147 | } | |||
| 4148 | ||||
| 4149 | return false; | |||
| 4150 | } | |||
| 4151 | ||||
| 4152 | QualType ASTContext::getFunctionTypeInternal( | |||
| 4153 | QualType ResultTy, ArrayRef<QualType> ArgArray, | |||
| 4154 | const FunctionProtoType::ExtProtoInfo &EPI, bool OnlyWantCanonical) const { | |||
| 4155 | size_t NumArgs = ArgArray.size(); | |||
| 4156 | ||||
| 4157 | // Unique functions, to guarantee there is only one function of a particular | |||
| 4158 | // structure. | |||
| 4159 | llvm::FoldingSetNodeID ID; | |||
| 4160 | FunctionProtoType::Profile(ID, ResultTy, ArgArray.begin(), NumArgs, EPI, | |||
| 4161 | *this, true); | |||
| 4162 | ||||
| 4163 | QualType Canonical; | |||
| 4164 | bool Unique = false; | |||
| 4165 | ||||
| 4166 | void *InsertPos = nullptr; | |||
| 4167 | if (FunctionProtoType *FPT = | |||
| 4168 | FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) { | |||
| 4169 | QualType Existing = QualType(FPT, 0); | |||
| 4170 | ||||
| 4171 | // If we find a pre-existing equivalent FunctionProtoType, we can just reuse | |||
| 4172 | // it so long as our exception specification doesn't contain a dependent | |||
| 4173 | // noexcept expression, or we're just looking for a canonical type. | |||
| 4174 | // Otherwise, we're going to need to create a type | |||
| 4175 | // sugar node to hold the concrete expression. | |||
| 4176 | if (OnlyWantCanonical || !isComputedNoexcept(EPI.ExceptionSpec.Type) || | |||
| 4177 | EPI.ExceptionSpec.NoexceptExpr == FPT->getNoexceptExpr()) | |||
| 4178 | return Existing; | |||
| 4179 | ||||
| 4180 | // We need a new type sugar node for this one, to hold the new noexcept | |||
| 4181 | // expression. We do no canonicalization here, but that's OK since we don't | |||
| 4182 | // expect to see the same noexcept expression much more than once. | |||
| 4183 | Canonical = getCanonicalType(Existing); | |||
| 4184 | Unique = true; | |||
| 4185 | } | |||
| 4186 | ||||
| 4187 | bool NoexceptInType = getLangOpts().CPlusPlus17; | |||
| 4188 | bool IsCanonicalExceptionSpec = | |||
| 4189 | isCanonicalExceptionSpecification(EPI.ExceptionSpec, NoexceptInType); | |||
| 4190 | ||||
| 4191 | // Determine whether the type being created is already canonical or not. | |||
| 4192 | bool isCanonical = !Unique && IsCanonicalExceptionSpec && | |||
| 4193 | isCanonicalResultType(ResultTy) && !EPI.HasTrailingReturn; | |||
| 4194 | for (unsigned i = 0; i != NumArgs && isCanonical; ++i) | |||
| 4195 | if (!ArgArray[i].isCanonicalAsParam()) | |||
| 4196 | isCanonical = false; | |||
| 4197 | ||||
| 4198 | if (OnlyWantCanonical) | |||
| 4199 | assert(isCanonical &&((isCanonical && "given non-canonical parameters constructing canonical type" ) ? static_cast<void> (0) : __assert_fail ("isCanonical && \"given non-canonical parameters constructing canonical type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4200, __PRETTY_FUNCTION__)) | |||
| 4200 | "given non-canonical parameters constructing canonical type")((isCanonical && "given non-canonical parameters constructing canonical type" ) ? static_cast<void> (0) : __assert_fail ("isCanonical && \"given non-canonical parameters constructing canonical type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4200, __PRETTY_FUNCTION__)); | |||
| 4201 | ||||
| 4202 | // If this type isn't canonical, get the canonical version of it if we don't | |||
| 4203 | // already have it. The exception spec is only partially part of the | |||
| 4204 | // canonical type, and only in C++17 onwards. | |||
| 4205 | if (!isCanonical && Canonical.isNull()) { | |||
| 4206 | SmallVector<QualType, 16> CanonicalArgs; | |||
| 4207 | CanonicalArgs.reserve(NumArgs); | |||
| 4208 | for (unsigned i = 0; i != NumArgs; ++i) | |||
| 4209 | CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); | |||
| 4210 | ||||
| 4211 | llvm::SmallVector<QualType, 8> ExceptionTypeStorage; | |||
| 4212 | FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; | |||
| 4213 | CanonicalEPI.HasTrailingReturn = false; | |||
| 4214 | ||||
| 4215 | if (IsCanonicalExceptionSpec) { | |||
| 4216 | // Exception spec is already OK. | |||
| 4217 | } else if (NoexceptInType) { | |||
| 4218 | switch (EPI.ExceptionSpec.Type) { | |||
| 4219 | case EST_Unparsed: case EST_Unevaluated: case EST_Uninstantiated: | |||
| 4220 | // We don't know yet. It shouldn't matter what we pick here; no-one | |||
| 4221 | // should ever look at this. | |||
| 4222 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | |||
| 4223 | case EST_None: case EST_MSAny: case EST_NoexceptFalse: | |||
| 4224 | CanonicalEPI.ExceptionSpec.Type = EST_None; | |||
| 4225 | break; | |||
| 4226 | ||||
| 4227 | // A dynamic exception specification is almost always "not noexcept", | |||
| 4228 | // with the exception that a pack expansion might expand to no types. | |||
| 4229 | case EST_Dynamic: { | |||
| 4230 | bool AnyPacks = false; | |||
| 4231 | for (QualType ET : EPI.ExceptionSpec.Exceptions) { | |||
| 4232 | if (ET->getAs<PackExpansionType>()) | |||
| 4233 | AnyPacks = true; | |||
| 4234 | ExceptionTypeStorage.push_back(getCanonicalType(ET)); | |||
| 4235 | } | |||
| 4236 | if (!AnyPacks) | |||
| 4237 | CanonicalEPI.ExceptionSpec.Type = EST_None; | |||
| 4238 | else { | |||
| 4239 | CanonicalEPI.ExceptionSpec.Type = EST_Dynamic; | |||
| 4240 | CanonicalEPI.ExceptionSpec.Exceptions = ExceptionTypeStorage; | |||
| 4241 | } | |||
| 4242 | break; | |||
| 4243 | } | |||
| 4244 | ||||
| 4245 | case EST_DynamicNone: | |||
| 4246 | case EST_BasicNoexcept: | |||
| 4247 | case EST_NoexceptTrue: | |||
| 4248 | case EST_NoThrow: | |||
| 4249 | CanonicalEPI.ExceptionSpec.Type = EST_BasicNoexcept; | |||
| 4250 | break; | |||
| 4251 | ||||
| 4252 | case EST_DependentNoexcept: | |||
| 4253 | llvm_unreachable("dependent noexcept is already canonical")::llvm::llvm_unreachable_internal("dependent noexcept is already canonical" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4253); | |||
| 4254 | } | |||
| 4255 | } else { | |||
| 4256 | CanonicalEPI.ExceptionSpec = FunctionProtoType::ExceptionSpecInfo(); | |||
| 4257 | } | |||
| 4258 | ||||
| 4259 | // Adjust the canonical function result type. | |||
| 4260 | CanQualType CanResultTy = getCanonicalFunctionResultType(ResultTy); | |||
| 4261 | Canonical = | |||
| 4262 | getFunctionTypeInternal(CanResultTy, CanonicalArgs, CanonicalEPI, true); | |||
| 4263 | ||||
| 4264 | // Get the new insert position for the node we care about. | |||
| 4265 | FunctionProtoType *NewIP = | |||
| 4266 | FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4267 | assert(!NewIP && "Shouldn't be in the map!")((!NewIP && "Shouldn't be in the map!") ? static_cast <void> (0) : __assert_fail ("!NewIP && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4267, __PRETTY_FUNCTION__)); (void)NewIP; | |||
| 4268 | } | |||
| 4269 | ||||
| 4270 | // Compute the needed size to hold this FunctionProtoType and the | |||
| 4271 | // various trailing objects. | |||
| 4272 | auto ESH = FunctionProtoType::getExceptionSpecSize( | |||
| 4273 | EPI.ExceptionSpec.Type, EPI.ExceptionSpec.Exceptions.size()); | |||
| 4274 | size_t Size = FunctionProtoType::totalSizeToAlloc< | |||
| 4275 | QualType, SourceLocation, FunctionType::FunctionTypeExtraBitfields, | |||
| 4276 | FunctionType::ExceptionType, Expr *, FunctionDecl *, | |||
| 4277 | FunctionProtoType::ExtParameterInfo, Qualifiers>( | |||
| 4278 | NumArgs, EPI.Variadic, | |||
| 4279 | FunctionProtoType::hasExtraBitfields(EPI.ExceptionSpec.Type), | |||
| 4280 | ESH.NumExceptionType, ESH.NumExprPtr, ESH.NumFunctionDeclPtr, | |||
| 4281 | EPI.ExtParameterInfos ? NumArgs : 0, | |||
| 4282 | EPI.TypeQuals.hasNonFastQualifiers() ? 1 : 0); | |||
| 4283 | ||||
| 4284 | auto *FTP = (FunctionProtoType *)Allocate(Size, TypeAlignment); | |||
| 4285 | FunctionProtoType::ExtProtoInfo newEPI = EPI; | |||
| 4286 | new (FTP) FunctionProtoType(ResultTy, ArgArray, Canonical, newEPI); | |||
| 4287 | Types.push_back(FTP); | |||
| 4288 | if (!Unique) | |||
| 4289 | FunctionProtoTypes.InsertNode(FTP, InsertPos); | |||
| 4290 | return QualType(FTP, 0); | |||
| 4291 | } | |||
| 4292 | ||||
| 4293 | QualType ASTContext::getPipeType(QualType T, bool ReadOnly) const { | |||
| 4294 | llvm::FoldingSetNodeID ID; | |||
| 4295 | PipeType::Profile(ID, T, ReadOnly); | |||
| 4296 | ||||
| 4297 | void *InsertPos = nullptr; | |||
| 4298 | if (PipeType *PT = PipeTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 4299 | return QualType(PT, 0); | |||
| 4300 | ||||
| 4301 | // If the pipe element type isn't canonical, this won't be a canonical type | |||
| 4302 | // either, so fill in the canonical type field. | |||
| 4303 | QualType Canonical; | |||
| 4304 | if (!T.isCanonical()) { | |||
| 4305 | Canonical = getPipeType(getCanonicalType(T), ReadOnly); | |||
| 4306 | ||||
| 4307 | // Get the new insert position for the node we care about. | |||
| 4308 | PipeType *NewIP = PipeTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4309 | assert(!NewIP && "Shouldn't be in the map!")((!NewIP && "Shouldn't be in the map!") ? static_cast <void> (0) : __assert_fail ("!NewIP && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4309, __PRETTY_FUNCTION__)); | |||
| 4310 | (void)NewIP; | |||
| 4311 | } | |||
| 4312 | auto *New = new (*this, TypeAlignment) PipeType(T, Canonical, ReadOnly); | |||
| 4313 | Types.push_back(New); | |||
| 4314 | PipeTypes.InsertNode(New, InsertPos); | |||
| 4315 | return QualType(New, 0); | |||
| 4316 | } | |||
| 4317 | ||||
| 4318 | QualType ASTContext::adjustStringLiteralBaseType(QualType Ty) const { | |||
| 4319 | // OpenCL v1.1 s6.5.3: a string literal is in the constant address space. | |||
| 4320 | return LangOpts.OpenCL ? getAddrSpaceQualType(Ty, LangAS::opencl_constant) | |||
| 4321 | : Ty; | |||
| 4322 | } | |||
| 4323 | ||||
| 4324 | QualType ASTContext::getReadPipeType(QualType T) const { | |||
| 4325 | return getPipeType(T, true); | |||
| 4326 | } | |||
| 4327 | ||||
| 4328 | QualType ASTContext::getWritePipeType(QualType T) const { | |||
| 4329 | return getPipeType(T, false); | |||
| 4330 | } | |||
| 4331 | ||||
| 4332 | QualType ASTContext::getExtIntType(bool IsUnsigned, unsigned NumBits) const { | |||
| 4333 | llvm::FoldingSetNodeID ID; | |||
| 4334 | ExtIntType::Profile(ID, IsUnsigned, NumBits); | |||
| 4335 | ||||
| 4336 | void *InsertPos = nullptr; | |||
| 4337 | if (ExtIntType *EIT = ExtIntTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 4338 | return QualType(EIT, 0); | |||
| 4339 | ||||
| 4340 | auto *New = new (*this, TypeAlignment) ExtIntType(IsUnsigned, NumBits); | |||
| 4341 | ExtIntTypes.InsertNode(New, InsertPos); | |||
| 4342 | Types.push_back(New); | |||
| 4343 | return QualType(New, 0); | |||
| 4344 | } | |||
| 4345 | ||||
| 4346 | QualType ASTContext::getDependentExtIntType(bool IsUnsigned, | |||
| 4347 | Expr *NumBitsExpr) const { | |||
| 4348 | assert(NumBitsExpr->isInstantiationDependent() && "Only good for dependent")((NumBitsExpr->isInstantiationDependent() && "Only good for dependent" ) ? static_cast<void> (0) : __assert_fail ("NumBitsExpr->isInstantiationDependent() && \"Only good for dependent\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4348, __PRETTY_FUNCTION__)); | |||
| 4349 | llvm::FoldingSetNodeID ID; | |||
| 4350 | DependentExtIntType::Profile(ID, *this, IsUnsigned, NumBitsExpr); | |||
| 4351 | ||||
| 4352 | void *InsertPos = nullptr; | |||
| 4353 | if (DependentExtIntType *Existing = | |||
| 4354 | DependentExtIntTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 4355 | return QualType(Existing, 0); | |||
| 4356 | ||||
| 4357 | auto *New = new (*this, TypeAlignment) | |||
| 4358 | DependentExtIntType(*this, IsUnsigned, NumBitsExpr); | |||
| 4359 | DependentExtIntTypes.InsertNode(New, InsertPos); | |||
| 4360 | ||||
| 4361 | Types.push_back(New); | |||
| 4362 | return QualType(New, 0); | |||
| 4363 | } | |||
| 4364 | ||||
| 4365 | #ifndef NDEBUG | |||
| 4366 | static bool NeedsInjectedClassNameType(const RecordDecl *D) { | |||
| 4367 | if (!isa<CXXRecordDecl>(D)) return false; | |||
| 4368 | const auto *RD = cast<CXXRecordDecl>(D); | |||
| 4369 | if (isa<ClassTemplatePartialSpecializationDecl>(RD)) | |||
| 4370 | return true; | |||
| 4371 | if (RD->getDescribedClassTemplate() && | |||
| 4372 | !isa<ClassTemplateSpecializationDecl>(RD)) | |||
| 4373 | return true; | |||
| 4374 | return false; | |||
| 4375 | } | |||
| 4376 | #endif | |||
| 4377 | ||||
| 4378 | /// getInjectedClassNameType - Return the unique reference to the | |||
| 4379 | /// injected class name type for the specified templated declaration. | |||
| 4380 | QualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, | |||
| 4381 | QualType TST) const { | |||
| 4382 | assert(NeedsInjectedClassNameType(Decl))((NeedsInjectedClassNameType(Decl)) ? static_cast<void> (0) : __assert_fail ("NeedsInjectedClassNameType(Decl)", "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4382, __PRETTY_FUNCTION__)); | |||
| 4383 | if (Decl->TypeForDecl) { | |||
| 4384 | assert(isa<InjectedClassNameType>(Decl->TypeForDecl))((isa<InjectedClassNameType>(Decl->TypeForDecl)) ? static_cast <void> (0) : __assert_fail ("isa<InjectedClassNameType>(Decl->TypeForDecl)" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4384, __PRETTY_FUNCTION__)); | |||
| 4385 | } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDecl()) { | |||
| 4386 | assert(PrevDecl->TypeForDecl && "previous declaration has no type")((PrevDecl->TypeForDecl && "previous declaration has no type" ) ? static_cast<void> (0) : __assert_fail ("PrevDecl->TypeForDecl && \"previous declaration has no type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4386, __PRETTY_FUNCTION__)); | |||
| 4387 | Decl->TypeForDecl = PrevDecl->TypeForDecl; | |||
| 4388 | assert(isa<InjectedClassNameType>(Decl->TypeForDecl))((isa<InjectedClassNameType>(Decl->TypeForDecl)) ? static_cast <void> (0) : __assert_fail ("isa<InjectedClassNameType>(Decl->TypeForDecl)" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4388, __PRETTY_FUNCTION__)); | |||
| 4389 | } else { | |||
| 4390 | Type *newType = | |||
| 4391 | new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); | |||
| 4392 | Decl->TypeForDecl = newType; | |||
| 4393 | Types.push_back(newType); | |||
| 4394 | } | |||
| 4395 | return QualType(Decl->TypeForDecl, 0); | |||
| 4396 | } | |||
| 4397 | ||||
| 4398 | /// getTypeDeclType - Return the unique reference to the type for the | |||
| 4399 | /// specified type declaration. | |||
| 4400 | QualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) const { | |||
| 4401 | assert(Decl && "Passed null for Decl param")((Decl && "Passed null for Decl param") ? static_cast <void> (0) : __assert_fail ("Decl && \"Passed null for Decl param\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4401, __PRETTY_FUNCTION__)); | |||
| 4402 | assert(!Decl->TypeForDecl && "TypeForDecl present in slow case")((!Decl->TypeForDecl && "TypeForDecl present in slow case" ) ? static_cast<void> (0) : __assert_fail ("!Decl->TypeForDecl && \"TypeForDecl present in slow case\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4402, __PRETTY_FUNCTION__)); | |||
| 4403 | ||||
| 4404 | if (const auto *Typedef = dyn_cast<TypedefNameDecl>(Decl)) | |||
| 4405 | return getTypedefType(Typedef); | |||
| 4406 | ||||
| 4407 | assert(!isa<TemplateTypeParmDecl>(Decl) &&((!isa<TemplateTypeParmDecl>(Decl) && "Template type parameter types are always available." ) ? static_cast<void> (0) : __assert_fail ("!isa<TemplateTypeParmDecl>(Decl) && \"Template type parameter types are always available.\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4408, __PRETTY_FUNCTION__)) | |||
| 4408 | "Template type parameter types are always available.")((!isa<TemplateTypeParmDecl>(Decl) && "Template type parameter types are always available." ) ? static_cast<void> (0) : __assert_fail ("!isa<TemplateTypeParmDecl>(Decl) && \"Template type parameter types are always available.\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4408, __PRETTY_FUNCTION__)); | |||
| 4409 | ||||
| 4410 | if (const auto *Record = dyn_cast<RecordDecl>(Decl)) { | |||
| 4411 | assert(Record->isFirstDecl() && "struct/union has previous declaration")((Record->isFirstDecl() && "struct/union has previous declaration" ) ? static_cast<void> (0) : __assert_fail ("Record->isFirstDecl() && \"struct/union has previous declaration\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4411, __PRETTY_FUNCTION__)); | |||
| 4412 | assert(!NeedsInjectedClassNameType(Record))((!NeedsInjectedClassNameType(Record)) ? static_cast<void> (0) : __assert_fail ("!NeedsInjectedClassNameType(Record)", "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4412, __PRETTY_FUNCTION__)); | |||
| 4413 | return getRecordType(Record); | |||
| 4414 | } else if (const auto *Enum = dyn_cast<EnumDecl>(Decl)) { | |||
| 4415 | assert(Enum->isFirstDecl() && "enum has previous declaration")((Enum->isFirstDecl() && "enum has previous declaration" ) ? static_cast<void> (0) : __assert_fail ("Enum->isFirstDecl() && \"enum has previous declaration\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4415, __PRETTY_FUNCTION__)); | |||
| 4416 | return getEnumType(Enum); | |||
| 4417 | } else if (const auto *Using = dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { | |||
| 4418 | Type *newType = new (*this, TypeAlignment) UnresolvedUsingType(Using); | |||
| 4419 | Decl->TypeForDecl = newType; | |||
| 4420 | Types.push_back(newType); | |||
| 4421 | } else | |||
| 4422 | llvm_unreachable("TypeDecl without a type?")::llvm::llvm_unreachable_internal("TypeDecl without a type?", "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4422); | |||
| 4423 | ||||
| 4424 | return QualType(Decl->TypeForDecl, 0); | |||
| 4425 | } | |||
| 4426 | ||||
| 4427 | /// getTypedefType - Return the unique reference to the type for the | |||
| 4428 | /// specified typedef name decl. | |||
| 4429 | QualType | |||
| 4430 | ASTContext::getTypedefType(const TypedefNameDecl *Decl, | |||
| 4431 | QualType Canonical) const { | |||
| 4432 | if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); | |||
| 4433 | ||||
| 4434 | if (Canonical.isNull()) | |||
| 4435 | Canonical = getCanonicalType(Decl->getUnderlyingType()); | |||
| 4436 | auto *newType = new (*this, TypeAlignment) | |||
| 4437 | TypedefType(Type::Typedef, Decl, Canonical); | |||
| 4438 | Decl->TypeForDecl = newType; | |||
| 4439 | Types.push_back(newType); | |||
| 4440 | return QualType(newType, 0); | |||
| 4441 | } | |||
| 4442 | ||||
| 4443 | QualType ASTContext::getRecordType(const RecordDecl *Decl) const { | |||
| 4444 | if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); | |||
| 4445 | ||||
| 4446 | if (const RecordDecl *PrevDecl = Decl->getPreviousDecl()) | |||
| 4447 | if (PrevDecl->TypeForDecl) | |||
| 4448 | return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); | |||
| 4449 | ||||
| 4450 | auto *newType = new (*this, TypeAlignment) RecordType(Decl); | |||
| 4451 | Decl->TypeForDecl = newType; | |||
| 4452 | Types.push_back(newType); | |||
| 4453 | return QualType(newType, 0); | |||
| 4454 | } | |||
| 4455 | ||||
| 4456 | QualType ASTContext::getEnumType(const EnumDecl *Decl) const { | |||
| 4457 | if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); | |||
| 4458 | ||||
| 4459 | if (const EnumDecl *PrevDecl = Decl->getPreviousDecl()) | |||
| 4460 | if (PrevDecl->TypeForDecl) | |||
| 4461 | return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); | |||
| 4462 | ||||
| 4463 | auto *newType = new (*this, TypeAlignment) EnumType(Decl); | |||
| 4464 | Decl->TypeForDecl = newType; | |||
| 4465 | Types.push_back(newType); | |||
| 4466 | return QualType(newType, 0); | |||
| 4467 | } | |||
| 4468 | ||||
| 4469 | QualType ASTContext::getAttributedType(attr::Kind attrKind, | |||
| 4470 | QualType modifiedType, | |||
| 4471 | QualType equivalentType) { | |||
| 4472 | llvm::FoldingSetNodeID id; | |||
| 4473 | AttributedType::Profile(id, attrKind, modifiedType, equivalentType); | |||
| 4474 | ||||
| 4475 | void *insertPos = nullptr; | |||
| 4476 | AttributedType *type = AttributedTypes.FindNodeOrInsertPos(id, insertPos); | |||
| 4477 | if (type) return QualType(type, 0); | |||
| 4478 | ||||
| 4479 | QualType canon = getCanonicalType(equivalentType); | |||
| 4480 | type = new (*this, TypeAlignment) | |||
| 4481 | AttributedType(canon, attrKind, modifiedType, equivalentType); | |||
| 4482 | ||||
| 4483 | Types.push_back(type); | |||
| 4484 | AttributedTypes.InsertNode(type, insertPos); | |||
| 4485 | ||||
| 4486 | return QualType(type, 0); | |||
| 4487 | } | |||
| 4488 | ||||
| 4489 | /// Retrieve a substitution-result type. | |||
| 4490 | QualType | |||
| 4491 | ASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, | |||
| 4492 | QualType Replacement) const { | |||
| 4493 | assert(Replacement.isCanonical()((Replacement.isCanonical() && "replacement types must always be canonical" ) ? static_cast<void> (0) : __assert_fail ("Replacement.isCanonical() && \"replacement types must always be canonical\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4494, __PRETTY_FUNCTION__)) | |||
| 4494 | && "replacement types must always be canonical")((Replacement.isCanonical() && "replacement types must always be canonical" ) ? static_cast<void> (0) : __assert_fail ("Replacement.isCanonical() && \"replacement types must always be canonical\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4494, __PRETTY_FUNCTION__)); | |||
| 4495 | ||||
| 4496 | llvm::FoldingSetNodeID ID; | |||
| 4497 | SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); | |||
| 4498 | void *InsertPos = nullptr; | |||
| 4499 | SubstTemplateTypeParmType *SubstParm | |||
| 4500 | = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4501 | ||||
| 4502 | if (!SubstParm) { | |||
| 4503 | SubstParm = new (*this, TypeAlignment) | |||
| 4504 | SubstTemplateTypeParmType(Parm, Replacement); | |||
| 4505 | Types.push_back(SubstParm); | |||
| 4506 | SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); | |||
| 4507 | } | |||
| 4508 | ||||
| 4509 | return QualType(SubstParm, 0); | |||
| 4510 | } | |||
| 4511 | ||||
| 4512 | /// Retrieve a | |||
| 4513 | QualType ASTContext::getSubstTemplateTypeParmPackType( | |||
| 4514 | const TemplateTypeParmType *Parm, | |||
| 4515 | const TemplateArgument &ArgPack) { | |||
| 4516 | #ifndef NDEBUG | |||
| 4517 | for (const auto &P : ArgPack.pack_elements()) { | |||
| 4518 | assert(P.getKind() == TemplateArgument::Type &&"Pack contains a non-type")((P.getKind() == TemplateArgument::Type &&"Pack contains a non-type" ) ? static_cast<void> (0) : __assert_fail ("P.getKind() == TemplateArgument::Type &&\"Pack contains a non-type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4518, __PRETTY_FUNCTION__)); | |||
| 4519 | assert(P.getAsType().isCanonical() && "Pack contains non-canonical type")((P.getAsType().isCanonical() && "Pack contains non-canonical type" ) ? static_cast<void> (0) : __assert_fail ("P.getAsType().isCanonical() && \"Pack contains non-canonical type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4519, __PRETTY_FUNCTION__)); | |||
| 4520 | } | |||
| 4521 | #endif | |||
| 4522 | ||||
| 4523 | llvm::FoldingSetNodeID ID; | |||
| 4524 | SubstTemplateTypeParmPackType::Profile(ID, Parm, ArgPack); | |||
| 4525 | void *InsertPos = nullptr; | |||
| 4526 | if (SubstTemplateTypeParmPackType *SubstParm | |||
| 4527 | = SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 4528 | return QualType(SubstParm, 0); | |||
| 4529 | ||||
| 4530 | QualType Canon; | |||
| 4531 | if (!Parm->isCanonicalUnqualified()) { | |||
| 4532 | Canon = getCanonicalType(QualType(Parm, 0)); | |||
| 4533 | Canon = getSubstTemplateTypeParmPackType(cast<TemplateTypeParmType>(Canon), | |||
| 4534 | ArgPack); | |||
| 4535 | SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4536 | } | |||
| 4537 | ||||
| 4538 | auto *SubstParm | |||
| 4539 | = new (*this, TypeAlignment) SubstTemplateTypeParmPackType(Parm, Canon, | |||
| 4540 | ArgPack); | |||
| 4541 | Types.push_back(SubstParm); | |||
| 4542 | SubstTemplateTypeParmPackTypes.InsertNode(SubstParm, InsertPos); | |||
| 4543 | return QualType(SubstParm, 0); | |||
| 4544 | } | |||
| 4545 | ||||
| 4546 | /// Retrieve the template type parameter type for a template | |||
| 4547 | /// parameter or parameter pack with the given depth, index, and (optionally) | |||
| 4548 | /// name. | |||
| 4549 | QualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, | |||
| 4550 | bool ParameterPack, | |||
| 4551 | TemplateTypeParmDecl *TTPDecl) const { | |||
| 4552 | llvm::FoldingSetNodeID ID; | |||
| 4553 | TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, TTPDecl); | |||
| 4554 | void *InsertPos = nullptr; | |||
| 4555 | TemplateTypeParmType *TypeParm | |||
| 4556 | = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4557 | ||||
| 4558 | if (TypeParm) | |||
| 4559 | return QualType(TypeParm, 0); | |||
| 4560 | ||||
| 4561 | if (TTPDecl) { | |||
| 4562 | QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); | |||
| 4563 | TypeParm = new (*this, TypeAlignment) TemplateTypeParmType(TTPDecl, Canon); | |||
| 4564 | ||||
| 4565 | TemplateTypeParmType *TypeCheck | |||
| 4566 | = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4567 | assert(!TypeCheck && "Template type parameter canonical type broken")((!TypeCheck && "Template type parameter canonical type broken" ) ? static_cast<void> (0) : __assert_fail ("!TypeCheck && \"Template type parameter canonical type broken\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4567, __PRETTY_FUNCTION__)); | |||
| 4568 | (void)TypeCheck; | |||
| 4569 | } else | |||
| 4570 | TypeParm = new (*this, TypeAlignment) | |||
| 4571 | TemplateTypeParmType(Depth, Index, ParameterPack); | |||
| 4572 | ||||
| 4573 | Types.push_back(TypeParm); | |||
| 4574 | TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); | |||
| 4575 | ||||
| 4576 | return QualType(TypeParm, 0); | |||
| 4577 | } | |||
| 4578 | ||||
| 4579 | TypeSourceInfo * | |||
| 4580 | ASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, | |||
| 4581 | SourceLocation NameLoc, | |||
| 4582 | const TemplateArgumentListInfo &Args, | |||
| 4583 | QualType Underlying) const { | |||
| 4584 | assert(!Name.getAsDependentTemplateName() &&((!Name.getAsDependentTemplateName() && "No dependent template names here!" ) ? static_cast<void> (0) : __assert_fail ("!Name.getAsDependentTemplateName() && \"No dependent template names here!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4585, __PRETTY_FUNCTION__)) | |||
| 4585 | "No dependent template names here!")((!Name.getAsDependentTemplateName() && "No dependent template names here!" ) ? static_cast<void> (0) : __assert_fail ("!Name.getAsDependentTemplateName() && \"No dependent template names here!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4585, __PRETTY_FUNCTION__)); | |||
| 4586 | QualType TST = getTemplateSpecializationType(Name, Args, Underlying); | |||
| 4587 | ||||
| 4588 | TypeSourceInfo *DI = CreateTypeSourceInfo(TST); | |||
| 4589 | TemplateSpecializationTypeLoc TL = | |||
| 4590 | DI->getTypeLoc().castAs<TemplateSpecializationTypeLoc>(); | |||
| 4591 | TL.setTemplateKeywordLoc(SourceLocation()); | |||
| 4592 | TL.setTemplateNameLoc(NameLoc); | |||
| 4593 | TL.setLAngleLoc(Args.getLAngleLoc()); | |||
| 4594 | TL.setRAngleLoc(Args.getRAngleLoc()); | |||
| 4595 | for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) | |||
| 4596 | TL.setArgLocInfo(i, Args[i].getLocInfo()); | |||
| 4597 | return DI; | |||
| 4598 | } | |||
| 4599 | ||||
| 4600 | QualType | |||
| 4601 | ASTContext::getTemplateSpecializationType(TemplateName Template, | |||
| 4602 | const TemplateArgumentListInfo &Args, | |||
| 4603 | QualType Underlying) const { | |||
| 4604 | assert(!Template.getAsDependentTemplateName() &&((!Template.getAsDependentTemplateName() && "No dependent template names here!" ) ? static_cast<void> (0) : __assert_fail ("!Template.getAsDependentTemplateName() && \"No dependent template names here!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4605, __PRETTY_FUNCTION__)) | |||
| 4605 | "No dependent template names here!")((!Template.getAsDependentTemplateName() && "No dependent template names here!" ) ? static_cast<void> (0) : __assert_fail ("!Template.getAsDependentTemplateName() && \"No dependent template names here!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4605, __PRETTY_FUNCTION__)); | |||
| 4606 | ||||
| 4607 | SmallVector<TemplateArgument, 4> ArgVec; | |||
| 4608 | ArgVec.reserve(Args.size()); | |||
| 4609 | for (const TemplateArgumentLoc &Arg : Args.arguments()) | |||
| 4610 | ArgVec.push_back(Arg.getArgument()); | |||
| 4611 | ||||
| 4612 | return getTemplateSpecializationType(Template, ArgVec, Underlying); | |||
| 4613 | } | |||
| 4614 | ||||
| 4615 | #ifndef NDEBUG | |||
| 4616 | static bool hasAnyPackExpansions(ArrayRef<TemplateArgument> Args) { | |||
| 4617 | for (const TemplateArgument &Arg : Args) | |||
| 4618 | if (Arg.isPackExpansion()) | |||
| 4619 | return true; | |||
| 4620 | ||||
| 4621 | return true; | |||
| 4622 | } | |||
| 4623 | #endif | |||
| 4624 | ||||
| 4625 | QualType | |||
| 4626 | ASTContext::getTemplateSpecializationType(TemplateName Template, | |||
| 4627 | ArrayRef<TemplateArgument> Args, | |||
| 4628 | QualType Underlying) const { | |||
| 4629 | assert(!Template.getAsDependentTemplateName() &&((!Template.getAsDependentTemplateName() && "No dependent template names here!" ) ? static_cast<void> (0) : __assert_fail ("!Template.getAsDependentTemplateName() && \"No dependent template names here!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4630, __PRETTY_FUNCTION__)) | |||
| 4630 | "No dependent template names here!")((!Template.getAsDependentTemplateName() && "No dependent template names here!" ) ? static_cast<void> (0) : __assert_fail ("!Template.getAsDependentTemplateName() && \"No dependent template names here!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4630, __PRETTY_FUNCTION__)); | |||
| 4631 | // Look through qualified template names. | |||
| 4632 | if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) | |||
| 4633 | Template = TemplateName(QTN->getTemplateDecl()); | |||
| 4634 | ||||
| 4635 | bool IsTypeAlias = | |||
| 4636 | Template.getAsTemplateDecl() && | |||
| 4637 | isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl()); | |||
| 4638 | QualType CanonType; | |||
| 4639 | if (!Underlying.isNull()) | |||
| 4640 | CanonType = getCanonicalType(Underlying); | |||
| 4641 | else { | |||
| 4642 | // We can get here with an alias template when the specialization contains | |||
| 4643 | // a pack expansion that does not match up with a parameter pack. | |||
| 4644 | assert((!IsTypeAlias || hasAnyPackExpansions(Args)) &&(((!IsTypeAlias || hasAnyPackExpansions(Args)) && "Caller must compute aliased type" ) ? static_cast<void> (0) : __assert_fail ("(!IsTypeAlias || hasAnyPackExpansions(Args)) && \"Caller must compute aliased type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4645, __PRETTY_FUNCTION__)) | |||
| 4645 | "Caller must compute aliased type")(((!IsTypeAlias || hasAnyPackExpansions(Args)) && "Caller must compute aliased type" ) ? static_cast<void> (0) : __assert_fail ("(!IsTypeAlias || hasAnyPackExpansions(Args)) && \"Caller must compute aliased type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4645, __PRETTY_FUNCTION__)); | |||
| 4646 | IsTypeAlias = false; | |||
| 4647 | CanonType = getCanonicalTemplateSpecializationType(Template, Args); | |||
| 4648 | } | |||
| 4649 | ||||
| 4650 | // Allocate the (non-canonical) template specialization type, but don't | |||
| 4651 | // try to unique it: these types typically have location information that | |||
| 4652 | // we don't unique and don't want to lose. | |||
| 4653 | void *Mem = Allocate(sizeof(TemplateSpecializationType) + | |||
| 4654 | sizeof(TemplateArgument) * Args.size() + | |||
| 4655 | (IsTypeAlias? sizeof(QualType) : 0), | |||
| 4656 | TypeAlignment); | |||
| 4657 | auto *Spec | |||
| 4658 | = new (Mem) TemplateSpecializationType(Template, Args, CanonType, | |||
| 4659 | IsTypeAlias ? Underlying : QualType()); | |||
| 4660 | ||||
| 4661 | Types.push_back(Spec); | |||
| 4662 | return QualType(Spec, 0); | |||
| 4663 | } | |||
| 4664 | ||||
| 4665 | QualType ASTContext::getCanonicalTemplateSpecializationType( | |||
| 4666 | TemplateName Template, ArrayRef<TemplateArgument> Args) const { | |||
| 4667 | assert(!Template.getAsDependentTemplateName() &&((!Template.getAsDependentTemplateName() && "No dependent template names here!" ) ? static_cast<void> (0) : __assert_fail ("!Template.getAsDependentTemplateName() && \"No dependent template names here!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4668, __PRETTY_FUNCTION__)) | |||
| 4668 | "No dependent template names here!")((!Template.getAsDependentTemplateName() && "No dependent template names here!" ) ? static_cast<void> (0) : __assert_fail ("!Template.getAsDependentTemplateName() && \"No dependent template names here!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4668, __PRETTY_FUNCTION__)); | |||
| 4669 | ||||
| 4670 | // Look through qualified template names. | |||
| 4671 | if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) | |||
| 4672 | Template = TemplateName(QTN->getTemplateDecl()); | |||
| 4673 | ||||
| 4674 | // Build the canonical template specialization type. | |||
| 4675 | TemplateName CanonTemplate = getCanonicalTemplateName(Template); | |||
| 4676 | SmallVector<TemplateArgument, 4> CanonArgs; | |||
| 4677 | unsigned NumArgs = Args.size(); | |||
| 4678 | CanonArgs.reserve(NumArgs); | |||
| 4679 | for (const TemplateArgument &Arg : Args) | |||
| 4680 | CanonArgs.push_back(getCanonicalTemplateArgument(Arg)); | |||
| 4681 | ||||
| 4682 | // Determine whether this canonical template specialization type already | |||
| 4683 | // exists. | |||
| 4684 | llvm::FoldingSetNodeID ID; | |||
| 4685 | TemplateSpecializationType::Profile(ID, CanonTemplate, | |||
| 4686 | CanonArgs, *this); | |||
| 4687 | ||||
| 4688 | void *InsertPos = nullptr; | |||
| 4689 | TemplateSpecializationType *Spec | |||
| 4690 | = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4691 | ||||
| 4692 | if (!Spec) { | |||
| 4693 | // Allocate a new canonical template specialization type. | |||
| 4694 | void *Mem = Allocate((sizeof(TemplateSpecializationType) + | |||
| 4695 | sizeof(TemplateArgument) * NumArgs), | |||
| 4696 | TypeAlignment); | |||
| 4697 | Spec = new (Mem) TemplateSpecializationType(CanonTemplate, | |||
| 4698 | CanonArgs, | |||
| 4699 | QualType(), QualType()); | |||
| 4700 | Types.push_back(Spec); | |||
| 4701 | TemplateSpecializationTypes.InsertNode(Spec, InsertPos); | |||
| 4702 | } | |||
| 4703 | ||||
| 4704 | assert(Spec->isDependentType() &&((Spec->isDependentType() && "Non-dependent template-id type must have a canonical type" ) ? static_cast<void> (0) : __assert_fail ("Spec->isDependentType() && \"Non-dependent template-id type must have a canonical type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4705, __PRETTY_FUNCTION__)) | |||
| 4705 | "Non-dependent template-id type must have a canonical type")((Spec->isDependentType() && "Non-dependent template-id type must have a canonical type" ) ? static_cast<void> (0) : __assert_fail ("Spec->isDependentType() && \"Non-dependent template-id type must have a canonical type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4705, __PRETTY_FUNCTION__)); | |||
| 4706 | return QualType(Spec, 0); | |||
| 4707 | } | |||
| 4708 | ||||
| 4709 | QualType ASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, | |||
| 4710 | NestedNameSpecifier *NNS, | |||
| 4711 | QualType NamedType, | |||
| 4712 | TagDecl *OwnedTagDecl) const { | |||
| 4713 | llvm::FoldingSetNodeID ID; | |||
| 4714 | ElaboratedType::Profile(ID, Keyword, NNS, NamedType, OwnedTagDecl); | |||
| 4715 | ||||
| 4716 | void *InsertPos = nullptr; | |||
| 4717 | ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4718 | if (T) | |||
| 4719 | return QualType(T, 0); | |||
| 4720 | ||||
| 4721 | QualType Canon = NamedType; | |||
| 4722 | if (!Canon.isCanonical()) { | |||
| 4723 | Canon = getCanonicalType(NamedType); | |||
| 4724 | ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4725 | assert(!CheckT && "Elaborated canonical type broken")((!CheckT && "Elaborated canonical type broken") ? static_cast <void> (0) : __assert_fail ("!CheckT && \"Elaborated canonical type broken\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4725, __PRETTY_FUNCTION__)); | |||
| 4726 | (void)CheckT; | |||
| 4727 | } | |||
| 4728 | ||||
| 4729 | void *Mem = Allocate(ElaboratedType::totalSizeToAlloc<TagDecl *>(!!OwnedTagDecl), | |||
| 4730 | TypeAlignment); | |||
| 4731 | T = new (Mem) ElaboratedType(Keyword, NNS, NamedType, Canon, OwnedTagDecl); | |||
| 4732 | ||||
| 4733 | Types.push_back(T); | |||
| 4734 | ElaboratedTypes.InsertNode(T, InsertPos); | |||
| 4735 | return QualType(T, 0); | |||
| 4736 | } | |||
| 4737 | ||||
| 4738 | QualType | |||
| 4739 | ASTContext::getParenType(QualType InnerType) const { | |||
| 4740 | llvm::FoldingSetNodeID ID; | |||
| 4741 | ParenType::Profile(ID, InnerType); | |||
| 4742 | ||||
| 4743 | void *InsertPos = nullptr; | |||
| 4744 | ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4745 | if (T) | |||
| 4746 | return QualType(T, 0); | |||
| 4747 | ||||
| 4748 | QualType Canon = InnerType; | |||
| 4749 | if (!Canon.isCanonical()) { | |||
| 4750 | Canon = getCanonicalType(InnerType); | |||
| 4751 | ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4752 | assert(!CheckT && "Paren canonical type broken")((!CheckT && "Paren canonical type broken") ? static_cast <void> (0) : __assert_fail ("!CheckT && \"Paren canonical type broken\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4752, __PRETTY_FUNCTION__)); | |||
| 4753 | (void)CheckT; | |||
| 4754 | } | |||
| 4755 | ||||
| 4756 | T = new (*this, TypeAlignment) ParenType(InnerType, Canon); | |||
| 4757 | Types.push_back(T); | |||
| 4758 | ParenTypes.InsertNode(T, InsertPos); | |||
| 4759 | return QualType(T, 0); | |||
| 4760 | } | |||
| 4761 | ||||
| 4762 | QualType | |||
| 4763 | ASTContext::getMacroQualifiedType(QualType UnderlyingTy, | |||
| 4764 | const IdentifierInfo *MacroII) const { | |||
| 4765 | QualType Canon = UnderlyingTy; | |||
| 4766 | if (!Canon.isCanonical()) | |||
| 4767 | Canon = getCanonicalType(UnderlyingTy); | |||
| 4768 | ||||
| 4769 | auto *newType = new (*this, TypeAlignment) | |||
| 4770 | MacroQualifiedType(UnderlyingTy, Canon, MacroII); | |||
| 4771 | Types.push_back(newType); | |||
| 4772 | return QualType(newType, 0); | |||
| 4773 | } | |||
| 4774 | ||||
| 4775 | QualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, | |||
| 4776 | NestedNameSpecifier *NNS, | |||
| 4777 | const IdentifierInfo *Name, | |||
| 4778 | QualType Canon) const { | |||
| 4779 | if (Canon.isNull()) { | |||
| 4780 | NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); | |||
| 4781 | if (CanonNNS != NNS) | |||
| 4782 | Canon = getDependentNameType(Keyword, CanonNNS, Name); | |||
| 4783 | } | |||
| 4784 | ||||
| 4785 | llvm::FoldingSetNodeID ID; | |||
| 4786 | DependentNameType::Profile(ID, Keyword, NNS, Name); | |||
| 4787 | ||||
| 4788 | void *InsertPos = nullptr; | |||
| 4789 | DependentNameType *T | |||
| 4790 | = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4791 | if (T) | |||
| 4792 | return QualType(T, 0); | |||
| 4793 | ||||
| 4794 | T = new (*this, TypeAlignment) DependentNameType(Keyword, NNS, Name, Canon); | |||
| 4795 | Types.push_back(T); | |||
| 4796 | DependentNameTypes.InsertNode(T, InsertPos); | |||
| 4797 | return QualType(T, 0); | |||
| 4798 | } | |||
| 4799 | ||||
| 4800 | QualType | |||
| 4801 | ASTContext::getDependentTemplateSpecializationType( | |||
| 4802 | ElaboratedTypeKeyword Keyword, | |||
| 4803 | NestedNameSpecifier *NNS, | |||
| 4804 | const IdentifierInfo *Name, | |||
| 4805 | const TemplateArgumentListInfo &Args) const { | |||
| 4806 | // TODO: avoid this copy | |||
| 4807 | SmallVector<TemplateArgument, 16> ArgCopy; | |||
| 4808 | for (unsigned I = 0, E = Args.size(); I != E; ++I) | |||
| 4809 | ArgCopy.push_back(Args[I].getArgument()); | |||
| 4810 | return getDependentTemplateSpecializationType(Keyword, NNS, Name, ArgCopy); | |||
| 4811 | } | |||
| 4812 | ||||
| 4813 | QualType | |||
| 4814 | ASTContext::getDependentTemplateSpecializationType( | |||
| 4815 | ElaboratedTypeKeyword Keyword, | |||
| 4816 | NestedNameSpecifier *NNS, | |||
| 4817 | const IdentifierInfo *Name, | |||
| 4818 | ArrayRef<TemplateArgument> Args) const { | |||
| 4819 | assert((!NNS || NNS->isDependent()) &&(((!NNS || NNS->isDependent()) && "nested-name-specifier must be dependent" ) ? static_cast<void> (0) : __assert_fail ("(!NNS || NNS->isDependent()) && \"nested-name-specifier must be dependent\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4820, __PRETTY_FUNCTION__)) | |||
| 4820 | "nested-name-specifier must be dependent")(((!NNS || NNS->isDependent()) && "nested-name-specifier must be dependent" ) ? static_cast<void> (0) : __assert_fail ("(!NNS || NNS->isDependent()) && \"nested-name-specifier must be dependent\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4820, __PRETTY_FUNCTION__)); | |||
| 4821 | ||||
| 4822 | llvm::FoldingSetNodeID ID; | |||
| 4823 | DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, | |||
| 4824 | Name, Args); | |||
| 4825 | ||||
| 4826 | void *InsertPos = nullptr; | |||
| 4827 | DependentTemplateSpecializationType *T | |||
| 4828 | = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4829 | if (T) | |||
| 4830 | return QualType(T, 0); | |||
| 4831 | ||||
| 4832 | NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); | |||
| 4833 | ||||
| 4834 | ElaboratedTypeKeyword CanonKeyword = Keyword; | |||
| 4835 | if (Keyword == ETK_None) CanonKeyword = ETK_Typename; | |||
| 4836 | ||||
| 4837 | bool AnyNonCanonArgs = false; | |||
| 4838 | unsigned NumArgs = Args.size(); | |||
| 4839 | SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); | |||
| 4840 | for (unsigned I = 0; I != NumArgs; ++I) { | |||
| 4841 | CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); | |||
| 4842 | if (!CanonArgs[I].structurallyEquals(Args[I])) | |||
| 4843 | AnyNonCanonArgs = true; | |||
| 4844 | } | |||
| 4845 | ||||
| 4846 | QualType Canon; | |||
| 4847 | if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { | |||
| 4848 | Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, | |||
| 4849 | Name, | |||
| 4850 | CanonArgs); | |||
| 4851 | ||||
| 4852 | // Find the insert position again. | |||
| 4853 | DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4854 | } | |||
| 4855 | ||||
| 4856 | void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + | |||
| 4857 | sizeof(TemplateArgument) * NumArgs), | |||
| 4858 | TypeAlignment); | |||
| 4859 | T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, | |||
| 4860 | Name, Args, Canon); | |||
| 4861 | Types.push_back(T); | |||
| 4862 | DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); | |||
| 4863 | return QualType(T, 0); | |||
| 4864 | } | |||
| 4865 | ||||
| 4866 | TemplateArgument ASTContext::getInjectedTemplateArg(NamedDecl *Param) { | |||
| 4867 | TemplateArgument Arg; | |||
| 4868 | if (const auto *TTP = dyn_cast<TemplateTypeParmDecl>(Param)) { | |||
| 4869 | QualType ArgType = getTypeDeclType(TTP); | |||
| 4870 | if (TTP->isParameterPack()) | |||
| 4871 | ArgType = getPackExpansionType(ArgType, None); | |||
| 4872 | ||||
| 4873 | Arg = TemplateArgument(ArgType); | |||
| 4874 | } else if (auto *NTTP = dyn_cast<NonTypeTemplateParmDecl>(Param)) { | |||
| 4875 | Expr *E = new (*this) DeclRefExpr( | |||
| 4876 | *this, NTTP, /*enclosing*/ false, | |||
| 4877 | NTTP->getType().getNonPackExpansionType().getNonLValueExprType(*this), | |||
| 4878 | Expr::getValueKindForType(NTTP->getType()), NTTP->getLocation()); | |||
| 4879 | ||||
| 4880 | if (NTTP->isParameterPack()) | |||
| 4881 | E = new (*this) PackExpansionExpr(DependentTy, E, NTTP->getLocation(), | |||
| 4882 | None); | |||
| 4883 | Arg = TemplateArgument(E); | |||
| 4884 | } else { | |||
| 4885 | auto *TTP = cast<TemplateTemplateParmDecl>(Param); | |||
| 4886 | if (TTP->isParameterPack()) | |||
| 4887 | Arg = TemplateArgument(TemplateName(TTP), Optional<unsigned>()); | |||
| 4888 | else | |||
| 4889 | Arg = TemplateArgument(TemplateName(TTP)); | |||
| 4890 | } | |||
| 4891 | ||||
| 4892 | if (Param->isTemplateParameterPack()) | |||
| 4893 | Arg = TemplateArgument::CreatePackCopy(*this, Arg); | |||
| 4894 | ||||
| 4895 | return Arg; | |||
| 4896 | } | |||
| 4897 | ||||
| 4898 | void | |||
| 4899 | ASTContext::getInjectedTemplateArgs(const TemplateParameterList *Params, | |||
| 4900 | SmallVectorImpl<TemplateArgument> &Args) { | |||
| 4901 | Args.reserve(Args.size() + Params->size()); | |||
| 4902 | ||||
| 4903 | for (NamedDecl *Param : *Params) | |||
| 4904 | Args.push_back(getInjectedTemplateArg(Param)); | |||
| 4905 | } | |||
| 4906 | ||||
| 4907 | QualType ASTContext::getPackExpansionType(QualType Pattern, | |||
| 4908 | Optional<unsigned> NumExpansions, | |||
| 4909 | bool ExpectPackInType) { | |||
| 4910 | assert((!ExpectPackInType || Pattern->containsUnexpandedParameterPack()) &&(((!ExpectPackInType || Pattern->containsUnexpandedParameterPack ()) && "Pack expansions must expand one or more parameter packs" ) ? static_cast<void> (0) : __assert_fail ("(!ExpectPackInType || Pattern->containsUnexpandedParameterPack()) && \"Pack expansions must expand one or more parameter packs\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4911, __PRETTY_FUNCTION__)) | |||
| 4911 | "Pack expansions must expand one or more parameter packs")(((!ExpectPackInType || Pattern->containsUnexpandedParameterPack ()) && "Pack expansions must expand one or more parameter packs" ) ? static_cast<void> (0) : __assert_fail ("(!ExpectPackInType || Pattern->containsUnexpandedParameterPack()) && \"Pack expansions must expand one or more parameter packs\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 4911, __PRETTY_FUNCTION__)); | |||
| 4912 | ||||
| 4913 | llvm::FoldingSetNodeID ID; | |||
| 4914 | PackExpansionType::Profile(ID, Pattern, NumExpansions); | |||
| 4915 | ||||
| 4916 | void *InsertPos = nullptr; | |||
| 4917 | PackExpansionType *T = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4918 | if (T) | |||
| 4919 | return QualType(T, 0); | |||
| 4920 | ||||
| 4921 | QualType Canon; | |||
| 4922 | if (!Pattern.isCanonical()) { | |||
| 4923 | Canon = getPackExpansionType(getCanonicalType(Pattern), NumExpansions, | |||
| 4924 | /*ExpectPackInType=*/false); | |||
| 4925 | ||||
| 4926 | // Find the insert position again, in case we inserted an element into | |||
| 4927 | // PackExpansionTypes and invalidated our insert position. | |||
| 4928 | PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 4929 | } | |||
| 4930 | ||||
| 4931 | T = new (*this, TypeAlignment) | |||
| 4932 | PackExpansionType(Pattern, Canon, NumExpansions); | |||
| 4933 | Types.push_back(T); | |||
| 4934 | PackExpansionTypes.InsertNode(T, InsertPos); | |||
| 4935 | return QualType(T, 0); | |||
| 4936 | } | |||
| 4937 | ||||
| 4938 | /// CmpProtocolNames - Comparison predicate for sorting protocols | |||
| 4939 | /// alphabetically. | |||
| 4940 | static int CmpProtocolNames(ObjCProtocolDecl *const *LHS, | |||
| 4941 | ObjCProtocolDecl *const *RHS) { | |||
| 4942 | return DeclarationName::compare((*LHS)->getDeclName(), (*RHS)->getDeclName()); | |||
| 4943 | } | |||
| 4944 | ||||
| 4945 | static bool areSortedAndUniqued(ArrayRef<ObjCProtocolDecl *> Protocols) { | |||
| 4946 | if (Protocols.empty()) return true; | |||
| 4947 | ||||
| 4948 | if (Protocols[0]->getCanonicalDecl() != Protocols[0]) | |||
| 4949 | return false; | |||
| 4950 | ||||
| 4951 | for (unsigned i = 1; i != Protocols.size(); ++i) | |||
| 4952 | if (CmpProtocolNames(&Protocols[i - 1], &Protocols[i]) >= 0 || | |||
| 4953 | Protocols[i]->getCanonicalDecl() != Protocols[i]) | |||
| 4954 | return false; | |||
| 4955 | return true; | |||
| 4956 | } | |||
| 4957 | ||||
| 4958 | static void | |||
| 4959 | SortAndUniqueProtocols(SmallVectorImpl<ObjCProtocolDecl *> &Protocols) { | |||
| 4960 | // Sort protocols, keyed by name. | |||
| 4961 | llvm::array_pod_sort(Protocols.begin(), Protocols.end(), CmpProtocolNames); | |||
| 4962 | ||||
| 4963 | // Canonicalize. | |||
| 4964 | for (ObjCProtocolDecl *&P : Protocols) | |||
| 4965 | P = P->getCanonicalDecl(); | |||
| 4966 | ||||
| 4967 | // Remove duplicates. | |||
| 4968 | auto ProtocolsEnd = std::unique(Protocols.begin(), Protocols.end()); | |||
| 4969 | Protocols.erase(ProtocolsEnd, Protocols.end()); | |||
| 4970 | } | |||
| 4971 | ||||
| 4972 | QualType ASTContext::getObjCObjectType(QualType BaseType, | |||
| 4973 | ObjCProtocolDecl * const *Protocols, | |||
| 4974 | unsigned NumProtocols) const { | |||
| 4975 | return getObjCObjectType(BaseType, {}, | |||
| 4976 | llvm::makeArrayRef(Protocols, NumProtocols), | |||
| 4977 | /*isKindOf=*/false); | |||
| 4978 | } | |||
| 4979 | ||||
| 4980 | QualType ASTContext::getObjCObjectType( | |||
| 4981 | QualType baseType, | |||
| 4982 | ArrayRef<QualType> typeArgs, | |||
| 4983 | ArrayRef<ObjCProtocolDecl *> protocols, | |||
| 4984 | bool isKindOf) const { | |||
| 4985 | // If the base type is an interface and there aren't any protocols or | |||
| 4986 | // type arguments to add, then the interface type will do just fine. | |||
| 4987 | if (typeArgs.empty() && protocols.empty() && !isKindOf && | |||
| 4988 | isa<ObjCInterfaceType>(baseType)) | |||
| 4989 | return baseType; | |||
| 4990 | ||||
| 4991 | // Look in the folding set for an existing type. | |||
| 4992 | llvm::FoldingSetNodeID ID; | |||
| 4993 | ObjCObjectTypeImpl::Profile(ID, baseType, typeArgs, protocols, isKindOf); | |||
| 4994 | void *InsertPos = nullptr; | |||
| 4995 | if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 4996 | return QualType(QT, 0); | |||
| 4997 | ||||
| 4998 | // Determine the type arguments to be used for canonicalization, | |||
| 4999 | // which may be explicitly specified here or written on the base | |||
| 5000 | // type. | |||
| 5001 | ArrayRef<QualType> effectiveTypeArgs = typeArgs; | |||
| 5002 | if (effectiveTypeArgs.empty()) { | |||
| 5003 | if (const auto *baseObject = baseType->getAs<ObjCObjectType>()) | |||
| 5004 | effectiveTypeArgs = baseObject->getTypeArgs(); | |||
| 5005 | } | |||
| 5006 | ||||
| 5007 | // Build the canonical type, which has the canonical base type and a | |||
| 5008 | // sorted-and-uniqued list of protocols and the type arguments | |||
| 5009 | // canonicalized. | |||
| 5010 | QualType canonical; | |||
| 5011 | bool typeArgsAreCanonical = std::all_of(effectiveTypeArgs.begin(), | |||
| 5012 | effectiveTypeArgs.end(), | |||
| 5013 | [&](QualType type) { | |||
| 5014 | return type.isCanonical(); | |||
| 5015 | }); | |||
| 5016 | bool protocolsSorted = areSortedAndUniqued(protocols); | |||
| 5017 | if (!typeArgsAreCanonical || !protocolsSorted || !baseType.isCanonical()) { | |||
| 5018 | // Determine the canonical type arguments. | |||
| 5019 | ArrayRef<QualType> canonTypeArgs; | |||
| 5020 | SmallVector<QualType, 4> canonTypeArgsVec; | |||
| 5021 | if (!typeArgsAreCanonical) { | |||
| 5022 | canonTypeArgsVec.reserve(effectiveTypeArgs.size()); | |||
| 5023 | for (auto typeArg : effectiveTypeArgs) | |||
| 5024 | canonTypeArgsVec.push_back(getCanonicalType(typeArg)); | |||
| 5025 | canonTypeArgs = canonTypeArgsVec; | |||
| 5026 | } else { | |||
| 5027 | canonTypeArgs = effectiveTypeArgs; | |||
| 5028 | } | |||
| 5029 | ||||
| 5030 | ArrayRef<ObjCProtocolDecl *> canonProtocols; | |||
| 5031 | SmallVector<ObjCProtocolDecl*, 8> canonProtocolsVec; | |||
| 5032 | if (!protocolsSorted) { | |||
| 5033 | canonProtocolsVec.append(protocols.begin(), protocols.end()); | |||
| 5034 | SortAndUniqueProtocols(canonProtocolsVec); | |||
| 5035 | canonProtocols = canonProtocolsVec; | |||
| 5036 | } else { | |||
| 5037 | canonProtocols = protocols; | |||
| 5038 | } | |||
| 5039 | ||||
| 5040 | canonical = getObjCObjectType(getCanonicalType(baseType), canonTypeArgs, | |||
| 5041 | canonProtocols, isKindOf); | |||
| 5042 | ||||
| 5043 | // Regenerate InsertPos. | |||
| 5044 | ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 5045 | } | |||
| 5046 | ||||
| 5047 | unsigned size = sizeof(ObjCObjectTypeImpl); | |||
| 5048 | size += typeArgs.size() * sizeof(QualType); | |||
| 5049 | size += protocols.size() * sizeof(ObjCProtocolDecl *); | |||
| 5050 | void *mem = Allocate(size, TypeAlignment); | |||
| 5051 | auto *T = | |||
| 5052 | new (mem) ObjCObjectTypeImpl(canonical, baseType, typeArgs, protocols, | |||
| 5053 | isKindOf); | |||
| 5054 | ||||
| 5055 | Types.push_back(T); | |||
| 5056 | ObjCObjectTypes.InsertNode(T, InsertPos); | |||
| 5057 | return QualType(T, 0); | |||
| 5058 | } | |||
| 5059 | ||||
| 5060 | /// Apply Objective-C protocol qualifiers to the given type. | |||
| 5061 | /// If this is for the canonical type of a type parameter, we can apply | |||
| 5062 | /// protocol qualifiers on the ObjCObjectPointerType. | |||
| 5063 | QualType | |||
| 5064 | ASTContext::applyObjCProtocolQualifiers(QualType type, | |||
| 5065 | ArrayRef<ObjCProtocolDecl *> protocols, bool &hasError, | |||
| 5066 | bool allowOnPointerType) const { | |||
| 5067 | hasError = false; | |||
| 5068 | ||||
| 5069 | if (const auto *objT = dyn_cast<ObjCTypeParamType>(type.getTypePtr())) { | |||
| 5070 | return getObjCTypeParamType(objT->getDecl(), protocols); | |||
| 5071 | } | |||
| 5072 | ||||
| 5073 | // Apply protocol qualifiers to ObjCObjectPointerType. | |||
| 5074 | if (allowOnPointerType) { | |||
| 5075 | if (const auto *objPtr = | |||
| 5076 | dyn_cast<ObjCObjectPointerType>(type.getTypePtr())) { | |||
| 5077 | const ObjCObjectType *objT = objPtr->getObjectType(); | |||
| 5078 | // Merge protocol lists and construct ObjCObjectType. | |||
| 5079 | SmallVector<ObjCProtocolDecl*, 8> protocolsVec; | |||
| 5080 | protocolsVec.append(objT->qual_begin(), | |||
| 5081 | objT->qual_end()); | |||
| 5082 | protocolsVec.append(protocols.begin(), protocols.end()); | |||
| 5083 | ArrayRef<ObjCProtocolDecl *> protocols = protocolsVec; | |||
| 5084 | type = getObjCObjectType( | |||
| 5085 | objT->getBaseType(), | |||
| 5086 | objT->getTypeArgsAsWritten(), | |||
| 5087 | protocols, | |||
| 5088 | objT->isKindOfTypeAsWritten()); | |||
| 5089 | return getObjCObjectPointerType(type); | |||
| 5090 | } | |||
| 5091 | } | |||
| 5092 | ||||
| 5093 | // Apply protocol qualifiers to ObjCObjectType. | |||
| 5094 | if (const auto *objT = dyn_cast<ObjCObjectType>(type.getTypePtr())){ | |||
| 5095 | // FIXME: Check for protocols to which the class type is already | |||
| 5096 | // known to conform. | |||
| 5097 | ||||
| 5098 | return getObjCObjectType(objT->getBaseType(), | |||
| 5099 | objT->getTypeArgsAsWritten(), | |||
| 5100 | protocols, | |||
| 5101 | objT->isKindOfTypeAsWritten()); | |||
| 5102 | } | |||
| 5103 | ||||
| 5104 | // If the canonical type is ObjCObjectType, ... | |||
| 5105 | if (type->isObjCObjectType()) { | |||
| 5106 | // Silently overwrite any existing protocol qualifiers. | |||
| 5107 | // TODO: determine whether that's the right thing to do. | |||
| 5108 | ||||
| 5109 | // FIXME: Check for protocols to which the class type is already | |||
| 5110 | // known to conform. | |||
| 5111 | return getObjCObjectType(type, {}, protocols, false); | |||
| 5112 | } | |||
| 5113 | ||||
| 5114 | // id<protocol-list> | |||
| 5115 | if (type->isObjCIdType()) { | |||
| 5116 | const auto *objPtr = type->castAs<ObjCObjectPointerType>(); | |||
| 5117 | type = getObjCObjectType(ObjCBuiltinIdTy, {}, protocols, | |||
| 5118 | objPtr->isKindOfType()); | |||
| 5119 | return getObjCObjectPointerType(type); | |||
| 5120 | } | |||
| 5121 | ||||
| 5122 | // Class<protocol-list> | |||
| 5123 | if (type->isObjCClassType()) { | |||
| 5124 | const auto *objPtr = type->castAs<ObjCObjectPointerType>(); | |||
| 5125 | type = getObjCObjectType(ObjCBuiltinClassTy, {}, protocols, | |||
| 5126 | objPtr->isKindOfType()); | |||
| 5127 | return getObjCObjectPointerType(type); | |||
| 5128 | } | |||
| 5129 | ||||
| 5130 | hasError = true; | |||
| 5131 | return type; | |||
| 5132 | } | |||
| 5133 | ||||
| 5134 | QualType | |||
| 5135 | ASTContext::getObjCTypeParamType(const ObjCTypeParamDecl *Decl, | |||
| 5136 | ArrayRef<ObjCProtocolDecl *> protocols) const { | |||
| 5137 | // Look in the folding set for an existing type. | |||
| 5138 | llvm::FoldingSetNodeID ID; | |||
| 5139 | ObjCTypeParamType::Profile(ID, Decl, Decl->getUnderlyingType(), protocols); | |||
| 5140 | void *InsertPos = nullptr; | |||
| 5141 | if (ObjCTypeParamType *TypeParam = | |||
| 5142 | ObjCTypeParamTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 5143 | return QualType(TypeParam, 0); | |||
| 5144 | ||||
| 5145 | // We canonicalize to the underlying type. | |||
| 5146 | QualType Canonical = getCanonicalType(Decl->getUnderlyingType()); | |||
| 5147 | if (!protocols.empty()) { | |||
| 5148 | // Apply the protocol qualifers. | |||
| 5149 | bool hasError; | |||
| 5150 | Canonical = getCanonicalType(applyObjCProtocolQualifiers( | |||
| 5151 | Canonical, protocols, hasError, true /*allowOnPointerType*/)); | |||
| 5152 | assert(!hasError && "Error when apply protocol qualifier to bound type")((!hasError && "Error when apply protocol qualifier to bound type" ) ? static_cast<void> (0) : __assert_fail ("!hasError && \"Error when apply protocol qualifier to bound type\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 5152, __PRETTY_FUNCTION__)); | |||
| 5153 | } | |||
| 5154 | ||||
| 5155 | unsigned size = sizeof(ObjCTypeParamType); | |||
| 5156 | size += protocols.size() * sizeof(ObjCProtocolDecl *); | |||
| 5157 | void *mem = Allocate(size, TypeAlignment); | |||
| 5158 | auto *newType = new (mem) ObjCTypeParamType(Decl, Canonical, protocols); | |||
| 5159 | ||||
| 5160 | Types.push_back(newType); | |||
| 5161 | ObjCTypeParamTypes.InsertNode(newType, InsertPos); | |||
| 5162 | return QualType(newType, 0); | |||
| 5163 | } | |||
| 5164 | ||||
| 5165 | void ASTContext::adjustObjCTypeParamBoundType(const ObjCTypeParamDecl *Orig, | |||
| 5166 | ObjCTypeParamDecl *New) const { | |||
| 5167 | New->setTypeSourceInfo(getTrivialTypeSourceInfo(Orig->getUnderlyingType())); | |||
| 5168 | // Update TypeForDecl after updating TypeSourceInfo. | |||
| 5169 | auto NewTypeParamTy = cast<ObjCTypeParamType>(New->getTypeForDecl()); | |||
| 5170 | SmallVector<ObjCProtocolDecl *, 8> protocols; | |||
| 5171 | protocols.append(NewTypeParamTy->qual_begin(), NewTypeParamTy->qual_end()); | |||
| 5172 | QualType UpdatedTy = getObjCTypeParamType(New, protocols); | |||
| 5173 | New->setTypeForDecl(UpdatedTy.getTypePtr()); | |||
| 5174 | } | |||
| 5175 | ||||
| 5176 | /// ObjCObjectAdoptsQTypeProtocols - Checks that protocols in IC's | |||
| 5177 | /// protocol list adopt all protocols in QT's qualified-id protocol | |||
| 5178 | /// list. | |||
| 5179 | bool ASTContext::ObjCObjectAdoptsQTypeProtocols(QualType QT, | |||
| 5180 | ObjCInterfaceDecl *IC) { | |||
| 5181 | if (!QT->isObjCQualifiedIdType()) | |||
| 5182 | return false; | |||
| 5183 | ||||
| 5184 | if (const auto *OPT = QT->getAs<ObjCObjectPointerType>()) { | |||
| 5185 | // If both the right and left sides have qualifiers. | |||
| 5186 | for (auto *Proto : OPT->quals()) { | |||
| 5187 | if (!IC->ClassImplementsProtocol(Proto, false)) | |||
| 5188 | return false; | |||
| 5189 | } | |||
| 5190 | return true; | |||
| 5191 | } | |||
| 5192 | return false; | |||
| 5193 | } | |||
| 5194 | ||||
| 5195 | /// QIdProtocolsAdoptObjCObjectProtocols - Checks that protocols in | |||
| 5196 | /// QT's qualified-id protocol list adopt all protocols in IDecl's list | |||
| 5197 | /// of protocols. | |||
| 5198 | bool ASTContext::QIdProtocolsAdoptObjCObjectProtocols(QualType QT, | |||
| 5199 | ObjCInterfaceDecl *IDecl) { | |||
| 5200 | if (!QT->isObjCQualifiedIdType()) | |||
| 5201 | return false; | |||
| 5202 | const auto *OPT = QT->getAs<ObjCObjectPointerType>(); | |||
| 5203 | if (!OPT) | |||
| 5204 | return false; | |||
| 5205 | if (!IDecl->hasDefinition()) | |||
| 5206 | return false; | |||
| 5207 | llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocols; | |||
| 5208 | CollectInheritedProtocols(IDecl, InheritedProtocols); | |||
| 5209 | if (InheritedProtocols.empty()) | |||
| 5210 | return false; | |||
| 5211 | // Check that if every protocol in list of id<plist> conforms to a protocol | |||
| 5212 | // of IDecl's, then bridge casting is ok. | |||
| 5213 | bool Conforms = false; | |||
| 5214 | for (auto *Proto : OPT->quals()) { | |||
| 5215 | Conforms = false; | |||
| 5216 | for (auto *PI : InheritedProtocols) { | |||
| 5217 | if (ProtocolCompatibleWithProtocol(Proto, PI)) { | |||
| 5218 | Conforms = true; | |||
| 5219 | break; | |||
| 5220 | } | |||
| 5221 | } | |||
| 5222 | if (!Conforms) | |||
| 5223 | break; | |||
| 5224 | } | |||
| 5225 | if (Conforms) | |||
| 5226 | return true; | |||
| 5227 | ||||
| 5228 | for (auto *PI : InheritedProtocols) { | |||
| 5229 | // If both the right and left sides have qualifiers. | |||
| 5230 | bool Adopts = false; | |||
| 5231 | for (auto *Proto : OPT->quals()) { | |||
| 5232 | // return 'true' if 'PI' is in the inheritance hierarchy of Proto | |||
| 5233 | if ((Adopts = ProtocolCompatibleWithProtocol(PI, Proto))) | |||
| 5234 | break; | |||
| 5235 | } | |||
| 5236 | if (!Adopts) | |||
| 5237 | return false; | |||
| 5238 | } | |||
| 5239 | return true; | |||
| 5240 | } | |||
| 5241 | ||||
| 5242 | /// getObjCObjectPointerType - Return a ObjCObjectPointerType type for | |||
| 5243 | /// the given object type. | |||
| 5244 | QualType ASTContext::getObjCObjectPointerType(QualType ObjectT) const { | |||
| 5245 | llvm::FoldingSetNodeID ID; | |||
| 5246 | ObjCObjectPointerType::Profile(ID, ObjectT); | |||
| 5247 | ||||
| 5248 | void *InsertPos = nullptr; | |||
| 5249 | if (ObjCObjectPointerType *QT = | |||
| 5250 | ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 5251 | return QualType(QT, 0); | |||
| 5252 | ||||
| 5253 | // Find the canonical object type. | |||
| 5254 | QualType Canonical; | |||
| 5255 | if (!ObjectT.isCanonical()) { | |||
| 5256 | Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); | |||
| 5257 | ||||
| 5258 | // Regenerate InsertPos. | |||
| 5259 | ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 5260 | } | |||
| 5261 | ||||
| 5262 | // No match. | |||
| 5263 | void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); | |||
| 5264 | auto *QType = | |||
| 5265 | new (Mem) ObjCObjectPointerType(Canonical, ObjectT); | |||
| 5266 | ||||
| 5267 | Types.push_back(QType); | |||
| 5268 | ObjCObjectPointerTypes.InsertNode(QType, InsertPos); | |||
| 5269 | return QualType(QType, 0); | |||
| 5270 | } | |||
| 5271 | ||||
| 5272 | /// getObjCInterfaceType - Return the unique reference to the type for the | |||
| 5273 | /// specified ObjC interface decl. The list of protocols is optional. | |||
| 5274 | QualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl, | |||
| 5275 | ObjCInterfaceDecl *PrevDecl) const { | |||
| 5276 | if (Decl->TypeForDecl) | |||
| 5277 | return QualType(Decl->TypeForDecl, 0); | |||
| 5278 | ||||
| 5279 | if (PrevDecl) { | |||
| 5280 | assert(PrevDecl->TypeForDecl && "previous decl has no TypeForDecl")((PrevDecl->TypeForDecl && "previous decl has no TypeForDecl" ) ? static_cast<void> (0) : __assert_fail ("PrevDecl->TypeForDecl && \"previous decl has no TypeForDecl\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 5280, __PRETTY_FUNCTION__)); | |||
| 5281 | Decl->TypeForDecl = PrevDecl->TypeForDecl; | |||
| 5282 | return QualType(PrevDecl->TypeForDecl, 0); | |||
| 5283 | } | |||
| 5284 | ||||
| 5285 | // Prefer the definition, if there is one. | |||
| 5286 | if (const ObjCInterfaceDecl *Def = Decl->getDefinition()) | |||
| 5287 | Decl = Def; | |||
| 5288 | ||||
| 5289 | void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); | |||
| 5290 | auto *T = new (Mem) ObjCInterfaceType(Decl); | |||
| 5291 | Decl->TypeForDecl = T; | |||
| 5292 | Types.push_back(T); | |||
| 5293 | return QualType(T, 0); | |||
| 5294 | } | |||
| 5295 | ||||
| 5296 | /// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique | |||
| 5297 | /// TypeOfExprType AST's (since expression's are never shared). For example, | |||
| 5298 | /// multiple declarations that refer to "typeof(x)" all contain different | |||
| 5299 | /// DeclRefExpr's. This doesn't effect the type checker, since it operates | |||
| 5300 | /// on canonical type's (which are always unique). | |||
| 5301 | QualType ASTContext::getTypeOfExprType(Expr *tofExpr) const { | |||
| 5302 | TypeOfExprType *toe; | |||
| 5303 | if (tofExpr->isTypeDependent()) { | |||
| 5304 | llvm::FoldingSetNodeID ID; | |||
| 5305 | DependentTypeOfExprType::Profile(ID, *this, tofExpr); | |||
| 5306 | ||||
| 5307 | void *InsertPos = nullptr; | |||
| 5308 | DependentTypeOfExprType *Canon | |||
| 5309 | = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 5310 | if (Canon) { | |||
| 5311 | // We already have a "canonical" version of an identical, dependent | |||
| 5312 | // typeof(expr) type. Use that as our canonical type. | |||
| 5313 | toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, | |||
| 5314 | QualType((TypeOfExprType*)Canon, 0)); | |||
| 5315 | } else { | |||
| 5316 | // Build a new, canonical typeof(expr) type. | |||
| 5317 | Canon | |||
| 5318 | = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); | |||
| 5319 | DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); | |||
| 5320 | toe = Canon; | |||
| 5321 | } | |||
| 5322 | } else { | |||
| 5323 | QualType Canonical = getCanonicalType(tofExpr->getType()); | |||
| 5324 | toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); | |||
| 5325 | } | |||
| 5326 | Types.push_back(toe); | |||
| 5327 | return QualType(toe, 0); | |||
| 5328 | } | |||
| 5329 | ||||
| 5330 | /// getTypeOfType - Unlike many "get<Type>" functions, we don't unique | |||
| 5331 | /// TypeOfType nodes. The only motivation to unique these nodes would be | |||
| 5332 | /// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be | |||
| 5333 | /// an issue. This doesn't affect the type checker, since it operates | |||
| 5334 | /// on canonical types (which are always unique). | |||
| 5335 | QualType ASTContext::getTypeOfType(QualType tofType) const { | |||
| 5336 | QualType Canonical = getCanonicalType(tofType); | |||
| 5337 | auto *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); | |||
| 5338 | Types.push_back(tot); | |||
| 5339 | return QualType(tot, 0); | |||
| 5340 | } | |||
| 5341 | ||||
| 5342 | /// Unlike many "get<Type>" functions, we don't unique DecltypeType | |||
| 5343 | /// nodes. This would never be helpful, since each such type has its own | |||
| 5344 | /// expression, and would not give a significant memory saving, since there | |||
| 5345 | /// is an Expr tree under each such type. | |||
| 5346 | QualType ASTContext::getDecltypeType(Expr *e, QualType UnderlyingType) const { | |||
| 5347 | DecltypeType *dt; | |||
| 5348 | ||||
| 5349 | // C++11 [temp.type]p2: | |||
| 5350 | // If an expression e involves a template parameter, decltype(e) denotes a | |||
| 5351 | // unique dependent type. Two such decltype-specifiers refer to the same | |||
| 5352 | // type only if their expressions are equivalent (14.5.6.1). | |||
| 5353 | if (e->isInstantiationDependent()) { | |||
| 5354 | llvm::FoldingSetNodeID ID; | |||
| 5355 | DependentDecltypeType::Profile(ID, *this, e); | |||
| 5356 | ||||
| 5357 | void *InsertPos = nullptr; | |||
| 5358 | DependentDecltypeType *Canon | |||
| 5359 | = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 5360 | if (!Canon) { | |||
| 5361 | // Build a new, canonical decltype(expr) type. | |||
| 5362 | Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); | |||
| 5363 | DependentDecltypeTypes.InsertNode(Canon, InsertPos); | |||
| 5364 | } | |||
| 5365 | dt = new (*this, TypeAlignment) | |||
| 5366 | DecltypeType(e, UnderlyingType, QualType((DecltypeType *)Canon, 0)); | |||
| 5367 | } else { | |||
| 5368 | dt = new (*this, TypeAlignment) | |||
| 5369 | DecltypeType(e, UnderlyingType, getCanonicalType(UnderlyingType)); | |||
| 5370 | } | |||
| 5371 | Types.push_back(dt); | |||
| 5372 | return QualType(dt, 0); | |||
| 5373 | } | |||
| 5374 | ||||
| 5375 | /// getUnaryTransformationType - We don't unique these, since the memory | |||
| 5376 | /// savings are minimal and these are rare. | |||
| 5377 | QualType ASTContext::getUnaryTransformType(QualType BaseType, | |||
| 5378 | QualType UnderlyingType, | |||
| 5379 | UnaryTransformType::UTTKind Kind) | |||
| 5380 | const { | |||
| 5381 | UnaryTransformType *ut = nullptr; | |||
| 5382 | ||||
| 5383 | if (BaseType->isDependentType()) { | |||
| 5384 | // Look in the folding set for an existing type. | |||
| 5385 | llvm::FoldingSetNodeID ID; | |||
| 5386 | DependentUnaryTransformType::Profile(ID, getCanonicalType(BaseType), Kind); | |||
| 5387 | ||||
| 5388 | void *InsertPos = nullptr; | |||
| 5389 | DependentUnaryTransformType *Canon | |||
| 5390 | = DependentUnaryTransformTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 5391 | ||||
| 5392 | if (!Canon) { | |||
| 5393 | // Build a new, canonical __underlying_type(type) type. | |||
| 5394 | Canon = new (*this, TypeAlignment) | |||
| 5395 | DependentUnaryTransformType(*this, getCanonicalType(BaseType), | |||
| 5396 | Kind); | |||
| 5397 | DependentUnaryTransformTypes.InsertNode(Canon, InsertPos); | |||
| 5398 | } | |||
| 5399 | ut = new (*this, TypeAlignment) UnaryTransformType (BaseType, | |||
| 5400 | QualType(), Kind, | |||
| 5401 | QualType(Canon, 0)); | |||
| 5402 | } else { | |||
| 5403 | QualType CanonType = getCanonicalType(UnderlyingType); | |||
| 5404 | ut = new (*this, TypeAlignment) UnaryTransformType (BaseType, | |||
| 5405 | UnderlyingType, Kind, | |||
| 5406 | CanonType); | |||
| 5407 | } | |||
| 5408 | Types.push_back(ut); | |||
| 5409 | return QualType(ut, 0); | |||
| 5410 | } | |||
| 5411 | ||||
| 5412 | /// getAutoType - Return the uniqued reference to the 'auto' type which has been | |||
| 5413 | /// deduced to the given type, or to the canonical undeduced 'auto' type, or the | |||
| 5414 | /// canonical deduced-but-dependent 'auto' type. | |||
| 5415 | QualType | |||
| 5416 | ASTContext::getAutoType(QualType DeducedType, AutoTypeKeyword Keyword, | |||
| 5417 | bool IsDependent, bool IsPack, | |||
| 5418 | ConceptDecl *TypeConstraintConcept, | |||
| 5419 | ArrayRef<TemplateArgument> TypeConstraintArgs) const { | |||
| 5420 | assert((!IsPack || IsDependent) && "only use IsPack for a dependent pack")(((!IsPack || IsDependent) && "only use IsPack for a dependent pack" ) ? static_cast<void> (0) : __assert_fail ("(!IsPack || IsDependent) && \"only use IsPack for a dependent pack\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 5420, __PRETTY_FUNCTION__)); | |||
| 5421 | if (DeducedType.isNull() && Keyword == AutoTypeKeyword::Auto && | |||
| 5422 | !TypeConstraintConcept && !IsDependent) | |||
| 5423 | return getAutoDeductType(); | |||
| 5424 | ||||
| 5425 | // Look in the folding set for an existing type. | |||
| 5426 | void *InsertPos = nullptr; | |||
| 5427 | llvm::FoldingSetNodeID ID; | |||
| 5428 | AutoType::Profile(ID, *this, DeducedType, Keyword, IsDependent, | |||
| 5429 | TypeConstraintConcept, TypeConstraintArgs); | |||
| 5430 | if (AutoType *AT = AutoTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 5431 | return QualType(AT, 0); | |||
| 5432 | ||||
| 5433 | void *Mem = Allocate(sizeof(AutoType) + | |||
| 5434 | sizeof(TemplateArgument) * TypeConstraintArgs.size(), | |||
| 5435 | TypeAlignment); | |||
| 5436 | auto *AT = new (Mem) AutoType( | |||
| 5437 | DeducedType, Keyword, | |||
| 5438 | (IsDependent ? TypeDependence::DependentInstantiation | |||
| 5439 | : TypeDependence::None) | | |||
| 5440 | (IsPack ? TypeDependence::UnexpandedPack : TypeDependence::None), | |||
| 5441 | TypeConstraintConcept, TypeConstraintArgs); | |||
| 5442 | Types.push_back(AT); | |||
| 5443 | if (InsertPos) | |||
| 5444 | AutoTypes.InsertNode(AT, InsertPos); | |||
| 5445 | return QualType(AT, 0); | |||
| 5446 | } | |||
| 5447 | ||||
| 5448 | /// Return the uniqued reference to the deduced template specialization type | |||
| 5449 | /// which has been deduced to the given type, or to the canonical undeduced | |||
| 5450 | /// such type, or the canonical deduced-but-dependent such type. | |||
| 5451 | QualType ASTContext::getDeducedTemplateSpecializationType( | |||
| 5452 | TemplateName Template, QualType DeducedType, bool IsDependent) const { | |||
| 5453 | // Look in the folding set for an existing type. | |||
| 5454 | void *InsertPos = nullptr; | |||
| 5455 | llvm::FoldingSetNodeID ID; | |||
| 5456 | DeducedTemplateSpecializationType::Profile(ID, Template, DeducedType, | |||
| 5457 | IsDependent); | |||
| 5458 | if (DeducedTemplateSpecializationType *DTST = | |||
| 5459 | DeducedTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 5460 | return QualType(DTST, 0); | |||
| 5461 | ||||
| 5462 | auto *DTST = new (*this, TypeAlignment) | |||
| 5463 | DeducedTemplateSpecializationType(Template, DeducedType, IsDependent); | |||
| 5464 | Types.push_back(DTST); | |||
| 5465 | if (InsertPos) | |||
| 5466 | DeducedTemplateSpecializationTypes.InsertNode(DTST, InsertPos); | |||
| 5467 | return QualType(DTST, 0); | |||
| 5468 | } | |||
| 5469 | ||||
| 5470 | /// getAtomicType - Return the uniqued reference to the atomic type for | |||
| 5471 | /// the given value type. | |||
| 5472 | QualType ASTContext::getAtomicType(QualType T) const { | |||
| 5473 | // Unique pointers, to guarantee there is only one pointer of a particular | |||
| 5474 | // structure. | |||
| 5475 | llvm::FoldingSetNodeID ID; | |||
| 5476 | AtomicType::Profile(ID, T); | |||
| 5477 | ||||
| 5478 | void *InsertPos = nullptr; | |||
| 5479 | if (AtomicType *AT = AtomicTypes.FindNodeOrInsertPos(ID, InsertPos)) | |||
| 5480 | return QualType(AT, 0); | |||
| 5481 | ||||
| 5482 | // If the atomic value type isn't canonical, this won't be a canonical type | |||
| 5483 | // either, so fill in the canonical type field. | |||
| 5484 | QualType Canonical; | |||
| 5485 | if (!T.isCanonical()) { | |||
| 5486 | Canonical = getAtomicType(getCanonicalType(T)); | |||
| 5487 | ||||
| 5488 | // Get the new insert position for the node we care about. | |||
| 5489 | AtomicType *NewIP = AtomicTypes.FindNodeOrInsertPos(ID, InsertPos); | |||
| 5490 | assert(!NewIP && "Shouldn't be in the map!")((!NewIP && "Shouldn't be in the map!") ? static_cast <void> (0) : __assert_fail ("!NewIP && \"Shouldn't be in the map!\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 5490, __PRETTY_FUNCTION__)); (void)NewIP; | |||
| 5491 | } | |||
| 5492 | auto *New = new (*this, TypeAlignment) AtomicType(T, Canonical); | |||
| 5493 | Types.push_back(New); | |||
| 5494 | AtomicTypes.InsertNode(New, InsertPos); | |||
| 5495 | return QualType(New, 0); | |||
| 5496 | } | |||
| 5497 | ||||
| 5498 | /// getAutoDeductType - Get type pattern for deducing against 'auto'. | |||
| 5499 | QualType ASTContext::getAutoDeductType() const { | |||
| 5500 | if (AutoDeductTy.isNull()) | |||
| 5501 | AutoDeductTy = QualType(new (*this, TypeAlignment) | |||
| 5502 | AutoType(QualType(), AutoTypeKeyword::Auto, | |||
| 5503 | TypeDependence::None, | |||
| 5504 | /*concept*/ nullptr, /*args*/ {}), | |||
| 5505 | 0); | |||
| 5506 | return AutoDeductTy; | |||
| 5507 | } | |||
| 5508 | ||||
| 5509 | /// getAutoRRefDeductType - Get type pattern for deducing against 'auto &&'. | |||
| 5510 | QualType ASTContext::getAutoRRefDeductType() const { | |||
| 5511 | if (AutoRRefDeductTy.isNull()) | |||
| 5512 | AutoRRefDeductTy = getRValueReferenceType(getAutoDeductType()); | |||
| 5513 | assert(!AutoRRefDeductTy.isNull() && "can't build 'auto &&' pattern")((!AutoRRefDeductTy.isNull() && "can't build 'auto &&' pattern" ) ? static_cast<void> (0) : __assert_fail ("!AutoRRefDeductTy.isNull() && \"can't build 'auto &&' pattern\"" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 5513, __PRETTY_FUNCTION__)); | |||
| 5514 | return AutoRRefDeductTy; | |||
| 5515 | } | |||
| 5516 | ||||
| 5517 | /// getTagDeclType - Return the unique reference to the type for the | |||
| 5518 | /// specified TagDecl (struct/union/class/enum) decl. | |||
| 5519 | QualType ASTContext::getTagDeclType(const TagDecl *Decl) const { | |||
| 5520 | assert(Decl)((Decl) ? static_cast<void> (0) : __assert_fail ("Decl" , "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 5520, __PRETTY_FUNCTION__)); | |||
| 5521 | // FIXME: What is the design on getTagDeclType when it requires casting | |||
| 5522 | // away const? mutable? | |||
| 5523 | return getTypeDeclType(const_cast<TagDecl*>(Decl)); | |||
| 5524 | } | |||
| 5525 | ||||
| 5526 | /// getSizeType - Return the unique type for "size_t" (C99 7.17), the result | |||
| 5527 | /// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and | |||
| 5528 | /// needs to agree with the definition in <stddef.h>. | |||
| 5529 | CanQualType ASTContext::getSizeType() const { | |||
| 5530 | return getFromTargetType(Target->getSizeType()); | |||
| 5531 | } | |||
| 5532 | ||||
| 5533 | /// Return the unique signed counterpart of the integer type | |||
| 5534 | /// corresponding to size_t. | |||
| 5535 | CanQualType ASTContext::getSignedSizeType() const { | |||
| 5536 | return getFromTargetType(Target->getSignedSizeType()); | |||
| 5537 | } | |||
| 5538 | ||||
| 5539 | /// getIntMaxType - Return the unique type for "intmax_t" (C99 7.18.1.5). | |||
| 5540 | CanQualType ASTContext::getIntMaxType() const { | |||
| 5541 | return getFromTargetType(Target->getIntMaxType()); | |||
| 5542 | } | |||
| 5543 | ||||
| 5544 | /// getUIntMaxType - Return the unique type for "uintmax_t" (C99 7.18.1.5). | |||
| 5545 | CanQualType ASTContext::getUIntMaxType() const { | |||
| 5546 | return getFromTargetType(Target->getUIntMaxType()); | |||
| 5547 | } | |||
| 5548 | ||||
| 5549 | /// getSignedWCharType - Return the type of "signed wchar_t". | |||
| 5550 | /// Used when in C++, as a GCC extension. | |||
| 5551 | QualType ASTContext::getSignedWCharType() const { | |||
| 5552 | // FIXME: derive from "Target" ? | |||
| 5553 | return WCharTy; | |||
| 5554 | } | |||
| 5555 | ||||
| 5556 | /// getUnsignedWCharType - Return the type of "unsigned wchar_t". | |||
| 5557 | /// Used when in C++, as a GCC extension. | |||
| 5558 | QualType ASTContext::getUnsignedWCharType() const { | |||
| 5559 | // FIXME: derive from "Target" ? | |||
| 5560 | return UnsignedIntTy; | |||
| 5561 | } | |||
| 5562 | ||||
| 5563 | QualType ASTContext::getIntPtrType() const { | |||
| 5564 | return getFromTargetType(Target->getIntPtrType()); | |||
| 5565 | } | |||
| 5566 | ||||
| 5567 | QualType ASTContext::getUIntPtrType() const { | |||
| 5568 | return getCorrespondingUnsignedType(getIntPtrType()); | |||
| 5569 | } | |||
| 5570 | ||||
| 5571 | /// getPointerDiffType - Return the unique type for "ptrdiff_t" (C99 7.17) | |||
| 5572 | /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). | |||
| 5573 | QualType ASTContext::getPointerDiffType() const { | |||
| 5574 | return getFromTargetType(Target->getPtrDiffType(0)); | |||
| 5575 | } | |||
| 5576 | ||||
| 5577 | /// Return the unique unsigned counterpart of "ptrdiff_t" | |||
| 5578 | /// integer type. The standard (C11 7.21.6.1p7) refers to this type | |||
| 5579 | /// in the definition of %tu format specifier. | |||
| 5580 | QualType ASTContext::getUnsignedPointerDiffType() const { | |||
| 5581 | return getFromTargetType(Target->getUnsignedPtrDiffType(0)); | |||
| 5582 | } | |||
| 5583 | ||||
| 5584 | /// Return the unique type for "pid_t" defined in | |||
| 5585 | /// <sys/types.h>. We need this to compute the correct type for vfork(). | |||
| 5586 | QualType ASTContext::getProcessIDType() const { | |||
| 5587 | return getFromTargetType(Target->getProcessIDType()); | |||
| 5588 | } | |||
| 5589 | ||||
| 5590 | //===----------------------------------------------------------------------===// | |||
| 5591 | // Type Operators | |||
| 5592 | //===----------------------------------------------------------------------===// | |||
| 5593 | ||||
| 5594 | CanQualType ASTContext::getCanonicalParamType(QualType T) const { | |||
| 5595 | // Push qualifiers into arrays, and then discard any remaining | |||
| 5596 | // qualifiers. | |||
| 5597 | T = getCanonicalType(T); | |||
| 5598 | T = getVariableArrayDecayedType(T); | |||
| 5599 | const Type *Ty = T.getTypePtr(); | |||
| 5600 | QualType Result; | |||
| 5601 | if (isa<ArrayType>(Ty)) { | |||
| 5602 | Result = getArrayDecayedType(QualType(Ty,0)); | |||
| 5603 | } else if (isa<FunctionType>(Ty)) { | |||
| 5604 | Result = getPointerType(QualType(Ty, 0)); | |||
| 5605 | } else { | |||
| 5606 | Result = QualType(Ty, 0); | |||
| 5607 | } | |||
| 5608 | ||||
| 5609 | return CanQualType::CreateUnsafe(Result); | |||
| 5610 | } | |||
| 5611 | ||||
| 5612 | QualType ASTContext::getUnqualifiedArrayType(QualType type, | |||
| 5613 | Qualifiers &quals) { | |||
| 5614 | SplitQualType splitType = type.getSplitUnqualifiedType(); | |||
| 5615 | ||||
| 5616 | // FIXME: getSplitUnqualifiedType() actually walks all the way to | |||
| 5617 | // the unqualified desugared type and then drops it on the floor. | |||
| 5618 | // We then have to strip that sugar back off with | |||
| 5619 | // getUnqualifiedDesugaredType(), which is silly. | |||
| 5620 | const auto *AT = | |||
| 5621 | dyn_cast<ArrayType>(splitType.Ty->getUnqualifiedDesugaredType()); | |||
| 5622 | ||||
| 5623 | // If we don't have an array, just use the results in splitType. | |||
| 5624 | if (!AT) { | |||
| 5625 | quals = splitType.Quals; | |||
| 5626 | return QualType(splitType.Ty, 0); | |||
| 5627 | } | |||
| 5628 | ||||
| 5629 | // Otherwise, recurse on the array's element type. | |||
| 5630 | QualType elementType = AT->getElementType(); | |||
| 5631 | QualType unqualElementType = getUnqualifiedArrayType(elementType, quals); | |||
| 5632 | ||||
| 5633 | // If that didn't change the element type, AT has no qualifiers, so we | |||
| 5634 | // can just use the results in splitType. | |||
| 5635 | if (elementType == unqualElementType) { | |||
| 5636 | assert(quals.empty())((quals.empty()) ? static_cast<void> (0) : __assert_fail ("quals.empty()", "/build/llvm-toolchain-snapshot-12~++20200926111128+c6c5629f2fb/clang/lib/AST/ASTContext.cpp" , 5636, __PRETTY_FUNCTION__)); // from the recursive call | |||
| 5637 | quals = splitType.Quals; | |||
| 5638 | return QualType(splitType.Ty, 0); | |||
| 5639 | } | |||
| 5640 | ||||
| 5641 | // Otherwise, add in the qualifiers from the outermost type, then | |||
| 5642 | // build the type back up. | |||
| 5643 | quals.addConsistentQualifiers(splitType.Quals); | |||
| 5644 | ||||
| 5645 | if (const auto *CAT = dyn_cast<ConstantArrayType>(AT)) { | |||
| 5646 | return getConstantArrayType(unqualElementType, CAT->getSize(), | |||
| 5647 | CAT->getSizeExpr(), CAT->getSizeModifier(), 0); | |||
| 5648 | } | |||
| 5649 | ||||
| 5650 | if (const auto *IAT = dyn_cast<IncompleteArrayType>(AT)) { | |||
| 5651 | return getIncompleteArrayType(unqualElementType, IAT->getSizeModifier(), 0); | |||
| 5652 | } | |||
| 5653 | ||||
| 5654 | if (const auto *VAT = dyn_cast<VariableArrayType>(AT)) { | |||
| 5655 | return getVariableArrayType(unqualElementType, | |||
| 5656 | VAT->getSizeExpr(), | |||
| 5657 | VAT->getSizeModifier(), | |||
| 5658 | VAT->getIndexTypeCVRQualifiers(), | |||
| 5659 | VAT->getBracketsRange()); | |||
| 5660 | } | |||
| 5661 | ||||
| 5662 | const auto *DSAT = cast<DependentSizedArrayType>(AT); | |||
| 5663 | return getDependentSizedArrayType(unqualElementType, DSAT->getSizeExpr(), | |||
| 5664 | DSAT->getSizeModifier(), 0, | |||
| 5665 | SourceRange()); | |||
| 5666 | } | |||
| 5667 | ||||
| 5668 | /// Attempt to unwrap two types that may both be array types with the same bound | |||
| 5669 | /// (or both be array types of unknown bound) for the purpose of comparing the | |||
| 5670 | /// cv-decomposition of two types per C++ [conv.qual]. | |||
| 5671 | bool ASTContext::UnwrapSimilarArrayTypes(QualType &T1, QualType &T2) { | |||
| 5672 | bool UnwrappedAny = false; | |||
| 5673 | while (true) { | |||
| 5674 | auto *AT1 = getAsArrayType(T1); | |||
| 5675 | if (!AT1) return UnwrappedAny; | |||
| 5676 | ||||
| 5677 | auto *AT2 = getAsArrayType(T2); | |||
| 5678 | if (!AT2) return UnwrappedAny; | |||
| 5679 | ||||
| 5680 | // If we don't have two array types with the same constant bound nor two | |||
| 5681 | // incomplete array types, we've unwrapped everything we can. | |||
| 5682 | if (auto *CAT1 = dyn_cast<ConstantArrayType>(AT1)) { | |||
| 5683 | auto *CAT2 = dyn_cast<ConstantArrayType>(AT2); | |||
| 5684 | if (!CAT2 || CAT1->getSize() != CAT2->getSize()) | |||
| 5685 | return UnwrappedAny; | |||
| 5686 | } else if (!isa<IncompleteArrayType>(AT1) || | |||
| 5687 | !isa<IncompleteArrayType>(AT2)) { | |||
| 5688 | return UnwrappedAny; | |||
| 5689 | } | |||
| 5690 | ||||
| 5691 | T1 = AT1->getElementType(); | |||
| 5692 | T2 = AT2->getElementType(); | |||
| 5693 | UnwrappedAny = true; | |||
| 5694 | } | |||
| 5695 | } | |||
| 5696 | ||||
| 5697 | /// Attempt to unwrap two types that may be similar (C++ [conv.qual]). | |||
| 5698 | /// | |||
| 5699 | /// If T1 and T2 are both pointer types of the same kind, or both array types | |||
| 5700 | /// with the same bound, unwraps layers from T1 and T2 until a pointer type is | |||
| 5701 | /// unwrapped. Top-level qualifiers on T1 and T2 are ignored. | |||
| 5702 | /// | |||
| 5703 | /// This function will typically be called in a loop that successively | |||
| 5704 | /// "unwraps" pointer and pointer-to-member types to compare them at each | |||
| 5705 | /// level. | |||
| 5706 | /// | |||
| 5707 | /// \return \c true if a pointer type was unwrapped, \c false if we reached a | |||
| 5708 | <