File: | build/source/clang/lib/Parse/ParseOpenMP.cpp |
Warning: | line 2843, column 7 Value stored to 'HasImplicitClause' is never read |
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1 | //===--- ParseOpenMP.cpp - OpenMP directives parsing ----------------------===// |
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 | /// \file |
9 | /// This file implements parsing of all OpenMP directives and clauses. |
10 | /// |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #include "clang/AST/ASTContext.h" |
14 | #include "clang/AST/OpenMPClause.h" |
15 | #include "clang/AST/StmtOpenMP.h" |
16 | #include "clang/Basic/OpenMPKinds.h" |
17 | #include "clang/Basic/TargetInfo.h" |
18 | #include "clang/Basic/TokenKinds.h" |
19 | #include "clang/Parse/ParseDiagnostic.h" |
20 | #include "clang/Parse/Parser.h" |
21 | #include "clang/Parse/RAIIObjectsForParser.h" |
22 | #include "clang/Sema/Scope.h" |
23 | #include "llvm/ADT/PointerIntPair.h" |
24 | #include "llvm/ADT/StringSwitch.h" |
25 | #include "llvm/ADT/UniqueVector.h" |
26 | #include "llvm/Frontend/OpenMP/OMPAssume.h" |
27 | #include "llvm/Frontend/OpenMP/OMPContext.h" |
28 | |
29 | using namespace clang; |
30 | using namespace llvm::omp; |
31 | |
32 | //===----------------------------------------------------------------------===// |
33 | // OpenMP declarative directives. |
34 | //===----------------------------------------------------------------------===// |
35 | |
36 | namespace { |
37 | enum OpenMPDirectiveKindEx { |
38 | OMPD_cancellation = llvm::omp::Directive_enumSize + 1, |
39 | OMPD_data, |
40 | OMPD_declare, |
41 | OMPD_end, |
42 | OMPD_end_declare, |
43 | OMPD_enter, |
44 | OMPD_exit, |
45 | OMPD_point, |
46 | OMPD_reduction, |
47 | OMPD_target_enter, |
48 | OMPD_target_exit, |
49 | OMPD_update, |
50 | OMPD_distribute_parallel, |
51 | OMPD_teams_distribute_parallel, |
52 | OMPD_target_teams_distribute_parallel, |
53 | OMPD_mapper, |
54 | OMPD_variant, |
55 | OMPD_begin, |
56 | OMPD_begin_declare, |
57 | }; |
58 | |
59 | // Helper to unify the enum class OpenMPDirectiveKind with its extension |
60 | // the OpenMPDirectiveKindEx enum which allows to use them together as if they |
61 | // are unsigned values. |
62 | struct OpenMPDirectiveKindExWrapper { |
63 | OpenMPDirectiveKindExWrapper(unsigned Value) : Value(Value) {} |
64 | OpenMPDirectiveKindExWrapper(OpenMPDirectiveKind DK) : Value(unsigned(DK)) {} |
65 | bool operator==(OpenMPDirectiveKindExWrapper V) const { |
66 | return Value == V.Value; |
67 | } |
68 | bool operator!=(OpenMPDirectiveKindExWrapper V) const { |
69 | return Value != V.Value; |
70 | } |
71 | bool operator==(OpenMPDirectiveKind V) const { return Value == unsigned(V); } |
72 | bool operator!=(OpenMPDirectiveKind V) const { return Value != unsigned(V); } |
73 | bool operator<(OpenMPDirectiveKind V) const { return Value < unsigned(V); } |
74 | operator unsigned() const { return Value; } |
75 | operator OpenMPDirectiveKind() const { return OpenMPDirectiveKind(Value); } |
76 | unsigned Value; |
77 | }; |
78 | |
79 | class DeclDirectiveListParserHelper final { |
80 | SmallVector<Expr *, 4> Identifiers; |
81 | Parser *P; |
82 | OpenMPDirectiveKind Kind; |
83 | |
84 | public: |
85 | DeclDirectiveListParserHelper(Parser *P, OpenMPDirectiveKind Kind) |
86 | : P(P), Kind(Kind) {} |
87 | void operator()(CXXScopeSpec &SS, DeclarationNameInfo NameInfo) { |
88 | ExprResult Res = P->getActions().ActOnOpenMPIdExpression( |
89 | P->getCurScope(), SS, NameInfo, Kind); |
90 | if (Res.isUsable()) |
91 | Identifiers.push_back(Res.get()); |
92 | } |
93 | llvm::ArrayRef<Expr *> getIdentifiers() const { return Identifiers; } |
94 | }; |
95 | } // namespace |
96 | |
97 | // Map token string to extended OMP token kind that are |
98 | // OpenMPDirectiveKind + OpenMPDirectiveKindEx. |
99 | static unsigned getOpenMPDirectiveKindEx(StringRef S) { |
100 | OpenMPDirectiveKindExWrapper DKind = getOpenMPDirectiveKind(S); |
101 | if (DKind != OMPD_unknown) |
102 | return DKind; |
103 | |
104 | return llvm::StringSwitch<OpenMPDirectiveKindExWrapper>(S) |
105 | .Case("cancellation", OMPD_cancellation) |
106 | .Case("data", OMPD_data) |
107 | .Case("declare", OMPD_declare) |
108 | .Case("end", OMPD_end) |
109 | .Case("enter", OMPD_enter) |
110 | .Case("exit", OMPD_exit) |
111 | .Case("point", OMPD_point) |
112 | .Case("reduction", OMPD_reduction) |
113 | .Case("update", OMPD_update) |
114 | .Case("mapper", OMPD_mapper) |
115 | .Case("variant", OMPD_variant) |
116 | .Case("begin", OMPD_begin) |
117 | .Default(OMPD_unknown); |
118 | } |
119 | |
120 | static OpenMPDirectiveKindExWrapper parseOpenMPDirectiveKind(Parser &P) { |
121 | // Array of foldings: F[i][0] F[i][1] ===> F[i][2]. |
122 | // E.g.: OMPD_for OMPD_simd ===> OMPD_for_simd |
123 | // TODO: add other combined directives in topological order. |
124 | static const OpenMPDirectiveKindExWrapper F[][3] = { |
125 | {OMPD_begin, OMPD_declare, OMPD_begin_declare}, |
126 | {OMPD_begin, OMPD_assumes, OMPD_begin_assumes}, |
127 | {OMPD_end, OMPD_declare, OMPD_end_declare}, |
128 | {OMPD_end, OMPD_assumes, OMPD_end_assumes}, |
129 | {OMPD_cancellation, OMPD_point, OMPD_cancellation_point}, |
130 | {OMPD_declare, OMPD_reduction, OMPD_declare_reduction}, |
131 | {OMPD_declare, OMPD_mapper, OMPD_declare_mapper}, |
132 | {OMPD_declare, OMPD_simd, OMPD_declare_simd}, |
133 | {OMPD_declare, OMPD_target, OMPD_declare_target}, |
134 | {OMPD_declare, OMPD_variant, OMPD_declare_variant}, |
135 | {OMPD_begin_declare, OMPD_target, OMPD_begin_declare_target}, |
136 | {OMPD_begin_declare, OMPD_variant, OMPD_begin_declare_variant}, |
137 | {OMPD_end_declare, OMPD_variant, OMPD_end_declare_variant}, |
138 | {OMPD_distribute, OMPD_parallel, OMPD_distribute_parallel}, |
139 | {OMPD_distribute_parallel, OMPD_for, OMPD_distribute_parallel_for}, |
140 | {OMPD_distribute_parallel_for, OMPD_simd, |
141 | OMPD_distribute_parallel_for_simd}, |
142 | {OMPD_distribute, OMPD_simd, OMPD_distribute_simd}, |
143 | {OMPD_end_declare, OMPD_target, OMPD_end_declare_target}, |
144 | {OMPD_target, OMPD_data, OMPD_target_data}, |
145 | {OMPD_target, OMPD_enter, OMPD_target_enter}, |
146 | {OMPD_target, OMPD_exit, OMPD_target_exit}, |
147 | {OMPD_target, OMPD_update, OMPD_target_update}, |
148 | {OMPD_target_enter, OMPD_data, OMPD_target_enter_data}, |
149 | {OMPD_target_exit, OMPD_data, OMPD_target_exit_data}, |
150 | {OMPD_for, OMPD_simd, OMPD_for_simd}, |
151 | {OMPD_parallel, OMPD_for, OMPD_parallel_for}, |
152 | {OMPD_parallel_for, OMPD_simd, OMPD_parallel_for_simd}, |
153 | {OMPD_parallel, OMPD_loop, OMPD_parallel_loop}, |
154 | {OMPD_parallel, OMPD_sections, OMPD_parallel_sections}, |
155 | {OMPD_taskloop, OMPD_simd, OMPD_taskloop_simd}, |
156 | {OMPD_target, OMPD_parallel, OMPD_target_parallel}, |
157 | {OMPD_target, OMPD_simd, OMPD_target_simd}, |
158 | {OMPD_target_parallel, OMPD_loop, OMPD_target_parallel_loop}, |
159 | {OMPD_target_parallel, OMPD_for, OMPD_target_parallel_for}, |
160 | {OMPD_target_parallel_for, OMPD_simd, OMPD_target_parallel_for_simd}, |
161 | {OMPD_teams, OMPD_distribute, OMPD_teams_distribute}, |
162 | {OMPD_teams_distribute, OMPD_simd, OMPD_teams_distribute_simd}, |
163 | {OMPD_teams_distribute, OMPD_parallel, OMPD_teams_distribute_parallel}, |
164 | {OMPD_teams_distribute_parallel, OMPD_for, |
165 | OMPD_teams_distribute_parallel_for}, |
166 | {OMPD_teams_distribute_parallel_for, OMPD_simd, |
167 | OMPD_teams_distribute_parallel_for_simd}, |
168 | {OMPD_teams, OMPD_loop, OMPD_teams_loop}, |
169 | {OMPD_target, OMPD_teams, OMPD_target_teams}, |
170 | {OMPD_target_teams, OMPD_distribute, OMPD_target_teams_distribute}, |
171 | {OMPD_target_teams, OMPD_loop, OMPD_target_teams_loop}, |
172 | {OMPD_target_teams_distribute, OMPD_parallel, |
173 | OMPD_target_teams_distribute_parallel}, |
174 | {OMPD_target_teams_distribute, OMPD_simd, |
175 | OMPD_target_teams_distribute_simd}, |
176 | {OMPD_target_teams_distribute_parallel, OMPD_for, |
177 | OMPD_target_teams_distribute_parallel_for}, |
178 | {OMPD_target_teams_distribute_parallel_for, OMPD_simd, |
179 | OMPD_target_teams_distribute_parallel_for_simd}, |
180 | {OMPD_master, OMPD_taskloop, OMPD_master_taskloop}, |
181 | {OMPD_masked, OMPD_taskloop, OMPD_masked_taskloop}, |
182 | {OMPD_master_taskloop, OMPD_simd, OMPD_master_taskloop_simd}, |
183 | {OMPD_masked_taskloop, OMPD_simd, OMPD_masked_taskloop_simd}, |
184 | {OMPD_parallel, OMPD_master, OMPD_parallel_master}, |
185 | {OMPD_parallel, OMPD_masked, OMPD_parallel_masked}, |
186 | {OMPD_parallel_master, OMPD_taskloop, OMPD_parallel_master_taskloop}, |
187 | {OMPD_parallel_masked, OMPD_taskloop, OMPD_parallel_masked_taskloop}, |
188 | {OMPD_parallel_master_taskloop, OMPD_simd, |
189 | OMPD_parallel_master_taskloop_simd}, |
190 | {OMPD_parallel_masked_taskloop, OMPD_simd, |
191 | OMPD_parallel_masked_taskloop_simd}}; |
192 | enum { CancellationPoint = 0, DeclareReduction = 1, TargetData = 2 }; |
193 | Token Tok = P.getCurToken(); |
194 | OpenMPDirectiveKindExWrapper DKind = |
195 | Tok.isAnnotation() |
196 | ? static_cast<unsigned>(OMPD_unknown) |
197 | : getOpenMPDirectiveKindEx(P.getPreprocessor().getSpelling(Tok)); |
198 | if (DKind == OMPD_unknown) |
199 | return OMPD_unknown; |
200 | |
201 | for (const auto &I : F) { |
202 | if (DKind != I[0]) |
203 | continue; |
204 | |
205 | Tok = P.getPreprocessor().LookAhead(0); |
206 | OpenMPDirectiveKindExWrapper SDKind = |
207 | Tok.isAnnotation() |
208 | ? static_cast<unsigned>(OMPD_unknown) |
209 | : getOpenMPDirectiveKindEx(P.getPreprocessor().getSpelling(Tok)); |
210 | if (SDKind == OMPD_unknown) |
211 | continue; |
212 | |
213 | if (SDKind == I[1]) { |
214 | P.ConsumeToken(); |
215 | DKind = I[2]; |
216 | } |
217 | } |
218 | return unsigned(DKind) < llvm::omp::Directive_enumSize |
219 | ? static_cast<OpenMPDirectiveKind>(DKind) |
220 | : OMPD_unknown; |
221 | } |
222 | |
223 | static DeclarationName parseOpenMPReductionId(Parser &P) { |
224 | Token Tok = P.getCurToken(); |
225 | Sema &Actions = P.getActions(); |
226 | OverloadedOperatorKind OOK = OO_None; |
227 | // Allow to use 'operator' keyword for C++ operators |
228 | bool WithOperator = false; |
229 | if (Tok.is(tok::kw_operator)) { |
230 | P.ConsumeToken(); |
231 | Tok = P.getCurToken(); |
232 | WithOperator = true; |
233 | } |
234 | switch (Tok.getKind()) { |
235 | case tok::plus: // '+' |
236 | OOK = OO_Plus; |
237 | break; |
238 | case tok::minus: // '-' |
239 | OOK = OO_Minus; |
240 | break; |
241 | case tok::star: // '*' |
242 | OOK = OO_Star; |
243 | break; |
244 | case tok::amp: // '&' |
245 | OOK = OO_Amp; |
246 | break; |
247 | case tok::pipe: // '|' |
248 | OOK = OO_Pipe; |
249 | break; |
250 | case tok::caret: // '^' |
251 | OOK = OO_Caret; |
252 | break; |
253 | case tok::ampamp: // '&&' |
254 | OOK = OO_AmpAmp; |
255 | break; |
256 | case tok::pipepipe: // '||' |
257 | OOK = OO_PipePipe; |
258 | break; |
259 | case tok::identifier: // identifier |
260 | if (!WithOperator) |
261 | break; |
262 | [[fallthrough]]; |
263 | default: |
264 | P.Diag(Tok.getLocation(), diag::err_omp_expected_reduction_identifier); |
265 | P.SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
266 | Parser::StopBeforeMatch); |
267 | return DeclarationName(); |
268 | } |
269 | P.ConsumeToken(); |
270 | auto &DeclNames = Actions.getASTContext().DeclarationNames; |
271 | return OOK == OO_None ? DeclNames.getIdentifier(Tok.getIdentifierInfo()) |
272 | : DeclNames.getCXXOperatorName(OOK); |
273 | } |
274 | |
275 | /// Parse 'omp declare reduction' construct. |
276 | /// |
277 | /// declare-reduction-directive: |
278 | /// annot_pragma_openmp 'declare' 'reduction' |
279 | /// '(' <reduction_id> ':' <type> {',' <type>} ':' <expression> ')' |
280 | /// ['initializer' '(' ('omp_priv' '=' <expression>)|<function_call> ')'] |
281 | /// annot_pragma_openmp_end |
282 | /// <reduction_id> is either a base language identifier or one of the following |
283 | /// operators: '+', '-', '*', '&', '|', '^', '&&' and '||'. |
284 | /// |
285 | Parser::DeclGroupPtrTy |
286 | Parser::ParseOpenMPDeclareReductionDirective(AccessSpecifier AS) { |
287 | // Parse '('. |
288 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
289 | if (T.expectAndConsume( |
290 | diag::err_expected_lparen_after, |
291 | getOpenMPDirectiveName(OMPD_declare_reduction).data())) { |
292 | SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch); |
293 | return DeclGroupPtrTy(); |
294 | } |
295 | |
296 | DeclarationName Name = parseOpenMPReductionId(*this); |
297 | if (Name.isEmpty() && Tok.is(tok::annot_pragma_openmp_end)) |
298 | return DeclGroupPtrTy(); |
299 | |
300 | // Consume ':'. |
301 | bool IsCorrect = !ExpectAndConsume(tok::colon); |
302 | |
303 | if (!IsCorrect && Tok.is(tok::annot_pragma_openmp_end)) |
304 | return DeclGroupPtrTy(); |
305 | |
306 | IsCorrect = IsCorrect && !Name.isEmpty(); |
307 | |
308 | if (Tok.is(tok::colon) || Tok.is(tok::annot_pragma_openmp_end)) { |
309 | Diag(Tok.getLocation(), diag::err_expected_type); |
310 | IsCorrect = false; |
311 | } |
312 | |
313 | if (!IsCorrect && Tok.is(tok::annot_pragma_openmp_end)) |
314 | return DeclGroupPtrTy(); |
315 | |
316 | SmallVector<std::pair<QualType, SourceLocation>, 8> ReductionTypes; |
317 | // Parse list of types until ':' token. |
318 | do { |
319 | ColonProtectionRAIIObject ColonRAII(*this); |
320 | SourceRange Range; |
321 | TypeResult TR = ParseTypeName(&Range, DeclaratorContext::Prototype, AS); |
322 | if (TR.isUsable()) { |
323 | QualType ReductionType = |
324 | Actions.ActOnOpenMPDeclareReductionType(Range.getBegin(), TR); |
325 | if (!ReductionType.isNull()) { |
326 | ReductionTypes.push_back( |
327 | std::make_pair(ReductionType, Range.getBegin())); |
328 | } |
329 | } else { |
330 | SkipUntil(tok::comma, tok::colon, tok::annot_pragma_openmp_end, |
331 | StopBeforeMatch); |
332 | } |
333 | |
334 | if (Tok.is(tok::colon) || Tok.is(tok::annot_pragma_openmp_end)) |
335 | break; |
336 | |
337 | // Consume ','. |
338 | if (ExpectAndConsume(tok::comma)) { |
339 | IsCorrect = false; |
340 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
341 | Diag(Tok.getLocation(), diag::err_expected_type); |
342 | return DeclGroupPtrTy(); |
343 | } |
344 | } |
345 | } while (Tok.isNot(tok::annot_pragma_openmp_end)); |
346 | |
347 | if (ReductionTypes.empty()) { |
348 | SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch); |
349 | return DeclGroupPtrTy(); |
350 | } |
351 | |
352 | if (!IsCorrect && Tok.is(tok::annot_pragma_openmp_end)) |
353 | return DeclGroupPtrTy(); |
354 | |
355 | // Consume ':'. |
356 | if (ExpectAndConsume(tok::colon)) |
357 | IsCorrect = false; |
358 | |
359 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
360 | Diag(Tok.getLocation(), diag::err_expected_expression); |
361 | return DeclGroupPtrTy(); |
362 | } |
363 | |
364 | DeclGroupPtrTy DRD = Actions.ActOnOpenMPDeclareReductionDirectiveStart( |
365 | getCurScope(), Actions.getCurLexicalContext(), Name, ReductionTypes, AS); |
366 | |
367 | // Parse <combiner> expression and then parse initializer if any for each |
368 | // correct type. |
369 | unsigned I = 0, E = ReductionTypes.size(); |
370 | for (Decl *D : DRD.get()) { |
371 | TentativeParsingAction TPA(*this); |
372 | ParseScope OMPDRScope(this, Scope::FnScope | Scope::DeclScope | |
373 | Scope::CompoundStmtScope | |
374 | Scope::OpenMPDirectiveScope); |
375 | // Parse <combiner> expression. |
376 | Actions.ActOnOpenMPDeclareReductionCombinerStart(getCurScope(), D); |
377 | ExprResult CombinerResult = Actions.ActOnFinishFullExpr( |
378 | ParseExpression().get(), D->getLocation(), /*DiscardedValue*/ false); |
379 | Actions.ActOnOpenMPDeclareReductionCombinerEnd(D, CombinerResult.get()); |
380 | |
381 | if (CombinerResult.isInvalid() && Tok.isNot(tok::r_paren) && |
382 | Tok.isNot(tok::annot_pragma_openmp_end)) { |
383 | TPA.Commit(); |
384 | IsCorrect = false; |
385 | break; |
386 | } |
387 | IsCorrect = !T.consumeClose() && IsCorrect && CombinerResult.isUsable(); |
388 | ExprResult InitializerResult; |
389 | if (Tok.isNot(tok::annot_pragma_openmp_end)) { |
390 | // Parse <initializer> expression. |
391 | if (Tok.is(tok::identifier) && |
392 | Tok.getIdentifierInfo()->isStr("initializer")) { |
393 | ConsumeToken(); |
394 | } else { |
395 | Diag(Tok.getLocation(), diag::err_expected) << "'initializer'"; |
396 | TPA.Commit(); |
397 | IsCorrect = false; |
398 | break; |
399 | } |
400 | // Parse '('. |
401 | BalancedDelimiterTracker T(*this, tok::l_paren, |
402 | tok::annot_pragma_openmp_end); |
403 | IsCorrect = |
404 | !T.expectAndConsume(diag::err_expected_lparen_after, "initializer") && |
405 | IsCorrect; |
406 | if (Tok.isNot(tok::annot_pragma_openmp_end)) { |
407 | ParseScope OMPDRScope(this, Scope::FnScope | Scope::DeclScope | |
408 | Scope::CompoundStmtScope | |
409 | Scope::OpenMPDirectiveScope); |
410 | // Parse expression. |
411 | VarDecl *OmpPrivParm = |
412 | Actions.ActOnOpenMPDeclareReductionInitializerStart(getCurScope(), |
413 | D); |
414 | // Check if initializer is omp_priv <init_expr> or something else. |
415 | if (Tok.is(tok::identifier) && |
416 | Tok.getIdentifierInfo()->isStr("omp_priv")) { |
417 | ConsumeToken(); |
418 | ParseOpenMPReductionInitializerForDecl(OmpPrivParm); |
419 | } else { |
420 | InitializerResult = Actions.ActOnFinishFullExpr( |
421 | ParseAssignmentExpression().get(), D->getLocation(), |
422 | /*DiscardedValue*/ false); |
423 | } |
424 | Actions.ActOnOpenMPDeclareReductionInitializerEnd( |
425 | D, InitializerResult.get(), OmpPrivParm); |
426 | if (InitializerResult.isInvalid() && Tok.isNot(tok::r_paren) && |
427 | Tok.isNot(tok::annot_pragma_openmp_end)) { |
428 | TPA.Commit(); |
429 | IsCorrect = false; |
430 | break; |
431 | } |
432 | IsCorrect = |
433 | !T.consumeClose() && IsCorrect && !InitializerResult.isInvalid(); |
434 | } |
435 | } |
436 | |
437 | ++I; |
438 | // Revert parsing if not the last type, otherwise accept it, we're done with |
439 | // parsing. |
440 | if (I != E) |
441 | TPA.Revert(); |
442 | else |
443 | TPA.Commit(); |
444 | } |
445 | return Actions.ActOnOpenMPDeclareReductionDirectiveEnd(getCurScope(), DRD, |
446 | IsCorrect); |
447 | } |
448 | |
449 | void Parser::ParseOpenMPReductionInitializerForDecl(VarDecl *OmpPrivParm) { |
450 | // Parse declarator '=' initializer. |
451 | // If a '==' or '+=' is found, suggest a fixit to '='. |
452 | if (isTokenEqualOrEqualTypo()) { |
453 | ConsumeToken(); |
454 | |
455 | if (Tok.is(tok::code_completion)) { |
456 | cutOffParsing(); |
457 | Actions.CodeCompleteInitializer(getCurScope(), OmpPrivParm); |
458 | Actions.FinalizeDeclaration(OmpPrivParm); |
459 | return; |
460 | } |
461 | |
462 | PreferredType.enterVariableInit(Tok.getLocation(), OmpPrivParm); |
463 | ExprResult Init = ParseInitializer(); |
464 | |
465 | if (Init.isInvalid()) { |
466 | SkipUntil(tok::r_paren, tok::annot_pragma_openmp_end, StopBeforeMatch); |
467 | Actions.ActOnInitializerError(OmpPrivParm); |
468 | } else { |
469 | Actions.AddInitializerToDecl(OmpPrivParm, Init.get(), |
470 | /*DirectInit=*/false); |
471 | } |
472 | } else if (Tok.is(tok::l_paren)) { |
473 | // Parse C++ direct initializer: '(' expression-list ')' |
474 | BalancedDelimiterTracker T(*this, tok::l_paren); |
475 | T.consumeOpen(); |
476 | |
477 | ExprVector Exprs; |
478 | CommaLocsTy CommaLocs; |
479 | |
480 | SourceLocation LParLoc = T.getOpenLocation(); |
481 | auto RunSignatureHelp = [this, OmpPrivParm, LParLoc, &Exprs]() { |
482 | QualType PreferredType = Actions.ProduceConstructorSignatureHelp( |
483 | OmpPrivParm->getType()->getCanonicalTypeInternal(), |
484 | OmpPrivParm->getLocation(), Exprs, LParLoc, /*Braced=*/false); |
485 | CalledSignatureHelp = true; |
486 | return PreferredType; |
487 | }; |
488 | if (ParseExpressionList(Exprs, CommaLocs, [&] { |
489 | PreferredType.enterFunctionArgument(Tok.getLocation(), |
490 | RunSignatureHelp); |
491 | })) { |
492 | if (PP.isCodeCompletionReached() && !CalledSignatureHelp) |
493 | RunSignatureHelp(); |
494 | Actions.ActOnInitializerError(OmpPrivParm); |
495 | SkipUntil(tok::r_paren, tok::annot_pragma_openmp_end, StopBeforeMatch); |
496 | } else { |
497 | // Match the ')'. |
498 | SourceLocation RLoc = Tok.getLocation(); |
499 | if (!T.consumeClose()) |
500 | RLoc = T.getCloseLocation(); |
501 | |
502 | assert(!Exprs.empty() && Exprs.size() - 1 == CommaLocs.size() &&(static_cast <bool> (!Exprs.empty() && Exprs.size () - 1 == CommaLocs.size() && "Unexpected number of commas!" ) ? void (0) : __assert_fail ("!Exprs.empty() && Exprs.size() - 1 == CommaLocs.size() && \"Unexpected number of commas!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 503, __extension__ __PRETTY_FUNCTION__ )) |
503 | "Unexpected number of commas!")(static_cast <bool> (!Exprs.empty() && Exprs.size () - 1 == CommaLocs.size() && "Unexpected number of commas!" ) ? void (0) : __assert_fail ("!Exprs.empty() && Exprs.size() - 1 == CommaLocs.size() && \"Unexpected number of commas!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 503, __extension__ __PRETTY_FUNCTION__ )); |
504 | |
505 | ExprResult Initializer = |
506 | Actions.ActOnParenListExpr(T.getOpenLocation(), RLoc, Exprs); |
507 | Actions.AddInitializerToDecl(OmpPrivParm, Initializer.get(), |
508 | /*DirectInit=*/true); |
509 | } |
510 | } else if (getLangOpts().CPlusPlus11 && Tok.is(tok::l_brace)) { |
511 | // Parse C++0x braced-init-list. |
512 | Diag(Tok, diag::warn_cxx98_compat_generalized_initializer_lists); |
513 | |
514 | ExprResult Init(ParseBraceInitializer()); |
515 | |
516 | if (Init.isInvalid()) { |
517 | Actions.ActOnInitializerError(OmpPrivParm); |
518 | } else { |
519 | Actions.AddInitializerToDecl(OmpPrivParm, Init.get(), |
520 | /*DirectInit=*/true); |
521 | } |
522 | } else { |
523 | Actions.ActOnUninitializedDecl(OmpPrivParm); |
524 | } |
525 | } |
526 | |
527 | /// Parses 'omp declare mapper' directive. |
528 | /// |
529 | /// declare-mapper-directive: |
530 | /// annot_pragma_openmp 'declare' 'mapper' '(' [<mapper-identifier> ':'] |
531 | /// <type> <var> ')' [<clause>[[,] <clause>] ... ] |
532 | /// annot_pragma_openmp_end |
533 | /// <mapper-identifier> and <var> are base language identifiers. |
534 | /// |
535 | Parser::DeclGroupPtrTy |
536 | Parser::ParseOpenMPDeclareMapperDirective(AccessSpecifier AS) { |
537 | bool IsCorrect = true; |
538 | // Parse '(' |
539 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
540 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
541 | getOpenMPDirectiveName(OMPD_declare_mapper).data())) { |
542 | SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch); |
543 | return DeclGroupPtrTy(); |
544 | } |
545 | |
546 | // Parse <mapper-identifier> |
547 | auto &DeclNames = Actions.getASTContext().DeclarationNames; |
548 | DeclarationName MapperId; |
549 | if (PP.LookAhead(0).is(tok::colon)) { |
550 | if (Tok.isNot(tok::identifier) && Tok.isNot(tok::kw_default)) { |
551 | Diag(Tok.getLocation(), diag::err_omp_mapper_illegal_identifier); |
552 | IsCorrect = false; |
553 | } else { |
554 | MapperId = DeclNames.getIdentifier(Tok.getIdentifierInfo()); |
555 | } |
556 | ConsumeToken(); |
557 | // Consume ':'. |
558 | ExpectAndConsume(tok::colon); |
559 | } else { |
560 | // If no mapper identifier is provided, its name is "default" by default |
561 | MapperId = |
562 | DeclNames.getIdentifier(&Actions.getASTContext().Idents.get("default")); |
563 | } |
564 | |
565 | if (!IsCorrect && Tok.is(tok::annot_pragma_openmp_end)) |
566 | return DeclGroupPtrTy(); |
567 | |
568 | // Parse <type> <var> |
569 | DeclarationName VName; |
570 | QualType MapperType; |
571 | SourceRange Range; |
572 | TypeResult ParsedType = parseOpenMPDeclareMapperVarDecl(Range, VName, AS); |
573 | if (ParsedType.isUsable()) |
574 | MapperType = |
575 | Actions.ActOnOpenMPDeclareMapperType(Range.getBegin(), ParsedType); |
576 | if (MapperType.isNull()) |
577 | IsCorrect = false; |
578 | if (!IsCorrect) { |
579 | SkipUntil(tok::annot_pragma_openmp_end, Parser::StopBeforeMatch); |
580 | return DeclGroupPtrTy(); |
581 | } |
582 | |
583 | // Consume ')'. |
584 | IsCorrect &= !T.consumeClose(); |
585 | if (!IsCorrect) { |
586 | SkipUntil(tok::annot_pragma_openmp_end, Parser::StopBeforeMatch); |
587 | return DeclGroupPtrTy(); |
588 | } |
589 | |
590 | // Enter scope. |
591 | DeclarationNameInfo DirName; |
592 | SourceLocation Loc = Tok.getLocation(); |
593 | unsigned ScopeFlags = Scope::FnScope | Scope::DeclScope | |
594 | Scope::CompoundStmtScope | Scope::OpenMPDirectiveScope; |
595 | ParseScope OMPDirectiveScope(this, ScopeFlags); |
596 | Actions.StartOpenMPDSABlock(OMPD_declare_mapper, DirName, getCurScope(), Loc); |
597 | |
598 | // Add the mapper variable declaration. |
599 | ExprResult MapperVarRef = Actions.ActOnOpenMPDeclareMapperDirectiveVarDecl( |
600 | getCurScope(), MapperType, Range.getBegin(), VName); |
601 | |
602 | // Parse map clauses. |
603 | SmallVector<OMPClause *, 6> Clauses; |
604 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
605 | OpenMPClauseKind CKind = Tok.isAnnotation() |
606 | ? OMPC_unknown |
607 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
608 | Actions.StartOpenMPClause(CKind); |
609 | OMPClause *Clause = |
610 | ParseOpenMPClause(OMPD_declare_mapper, CKind, Clauses.empty()); |
611 | if (Clause) |
612 | Clauses.push_back(Clause); |
613 | else |
614 | IsCorrect = false; |
615 | // Skip ',' if any. |
616 | if (Tok.is(tok::comma)) |
617 | ConsumeToken(); |
618 | Actions.EndOpenMPClause(); |
619 | } |
620 | if (Clauses.empty()) { |
621 | Diag(Tok, diag::err_omp_expected_clause) |
622 | << getOpenMPDirectiveName(OMPD_declare_mapper); |
623 | IsCorrect = false; |
624 | } |
625 | |
626 | // Exit scope. |
627 | Actions.EndOpenMPDSABlock(nullptr); |
628 | OMPDirectiveScope.Exit(); |
629 | DeclGroupPtrTy DG = Actions.ActOnOpenMPDeclareMapperDirective( |
630 | getCurScope(), Actions.getCurLexicalContext(), MapperId, MapperType, |
631 | Range.getBegin(), VName, AS, MapperVarRef.get(), Clauses); |
632 | if (!IsCorrect) |
633 | return DeclGroupPtrTy(); |
634 | |
635 | return DG; |
636 | } |
637 | |
638 | TypeResult Parser::parseOpenMPDeclareMapperVarDecl(SourceRange &Range, |
639 | DeclarationName &Name, |
640 | AccessSpecifier AS) { |
641 | // Parse the common declaration-specifiers piece. |
642 | Parser::DeclSpecContext DSC = Parser::DeclSpecContext::DSC_type_specifier; |
643 | DeclSpec DS(AttrFactory); |
644 | ParseSpecifierQualifierList(DS, AS, DSC); |
645 | |
646 | // Parse the declarator. |
647 | DeclaratorContext Context = DeclaratorContext::Prototype; |
648 | Declarator DeclaratorInfo(DS, ParsedAttributesView::none(), Context); |
649 | ParseDeclarator(DeclaratorInfo); |
650 | Range = DeclaratorInfo.getSourceRange(); |
651 | if (DeclaratorInfo.getIdentifier() == nullptr) { |
652 | Diag(Tok.getLocation(), diag::err_omp_mapper_expected_declarator); |
653 | return true; |
654 | } |
655 | Name = Actions.GetNameForDeclarator(DeclaratorInfo).getName(); |
656 | |
657 | return Actions.ActOnOpenMPDeclareMapperVarDecl(getCurScope(), DeclaratorInfo); |
658 | } |
659 | |
660 | namespace { |
661 | /// RAII that recreates function context for correct parsing of clauses of |
662 | /// 'declare simd' construct. |
663 | /// OpenMP, 2.8.2 declare simd Construct |
664 | /// The expressions appearing in the clauses of this directive are evaluated in |
665 | /// the scope of the arguments of the function declaration or definition. |
666 | class FNContextRAII final { |
667 | Parser &P; |
668 | Sema::CXXThisScopeRAII *ThisScope; |
669 | Parser::MultiParseScope Scopes; |
670 | bool HasFunScope = false; |
671 | FNContextRAII() = delete; |
672 | FNContextRAII(const FNContextRAII &) = delete; |
673 | FNContextRAII &operator=(const FNContextRAII &) = delete; |
674 | |
675 | public: |
676 | FNContextRAII(Parser &P, Parser::DeclGroupPtrTy Ptr) : P(P), Scopes(P) { |
677 | Decl *D = *Ptr.get().begin(); |
678 | NamedDecl *ND = dyn_cast<NamedDecl>(D); |
679 | RecordDecl *RD = dyn_cast_or_null<RecordDecl>(D->getDeclContext()); |
680 | Sema &Actions = P.getActions(); |
681 | |
682 | // Allow 'this' within late-parsed attributes. |
683 | ThisScope = new Sema::CXXThisScopeRAII(Actions, RD, Qualifiers(), |
684 | ND && ND->isCXXInstanceMember()); |
685 | |
686 | // If the Decl is templatized, add template parameters to scope. |
687 | // FIXME: Track CurTemplateDepth? |
688 | P.ReenterTemplateScopes(Scopes, D); |
689 | |
690 | // If the Decl is on a function, add function parameters to the scope. |
691 | if (D->isFunctionOrFunctionTemplate()) { |
692 | HasFunScope = true; |
693 | Scopes.Enter(Scope::FnScope | Scope::DeclScope | |
694 | Scope::CompoundStmtScope); |
695 | Actions.ActOnReenterFunctionContext(Actions.getCurScope(), D); |
696 | } |
697 | } |
698 | ~FNContextRAII() { |
699 | if (HasFunScope) |
700 | P.getActions().ActOnExitFunctionContext(); |
701 | delete ThisScope; |
702 | } |
703 | }; |
704 | } // namespace |
705 | |
706 | /// Parses clauses for 'declare simd' directive. |
707 | /// clause: |
708 | /// 'inbranch' | 'notinbranch' |
709 | /// 'simdlen' '(' <expr> ')' |
710 | /// { 'uniform' '(' <argument_list> ')' } |
711 | /// { 'aligned '(' <argument_list> [ ':' <alignment> ] ')' } |
712 | /// { 'linear '(' <argument_list> [ ':' <step> ] ')' } |
713 | static bool parseDeclareSimdClauses( |
714 | Parser &P, OMPDeclareSimdDeclAttr::BranchStateTy &BS, ExprResult &SimdLen, |
715 | SmallVectorImpl<Expr *> &Uniforms, SmallVectorImpl<Expr *> &Aligneds, |
716 | SmallVectorImpl<Expr *> &Alignments, SmallVectorImpl<Expr *> &Linears, |
717 | SmallVectorImpl<unsigned> &LinModifiers, SmallVectorImpl<Expr *> &Steps) { |
718 | SourceRange BSRange; |
719 | const Token &Tok = P.getCurToken(); |
720 | bool IsError = false; |
721 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
722 | if (Tok.isNot(tok::identifier)) |
723 | break; |
724 | OMPDeclareSimdDeclAttr::BranchStateTy Out; |
725 | IdentifierInfo *II = Tok.getIdentifierInfo(); |
726 | StringRef ClauseName = II->getName(); |
727 | // Parse 'inranch|notinbranch' clauses. |
728 | if (OMPDeclareSimdDeclAttr::ConvertStrToBranchStateTy(ClauseName, Out)) { |
729 | if (BS != OMPDeclareSimdDeclAttr::BS_Undefined && BS != Out) { |
730 | P.Diag(Tok, diag::err_omp_declare_simd_inbranch_notinbranch) |
731 | << ClauseName |
732 | << OMPDeclareSimdDeclAttr::ConvertBranchStateTyToStr(BS) << BSRange; |
733 | IsError = true; |
734 | } |
735 | BS = Out; |
736 | BSRange = SourceRange(Tok.getLocation(), Tok.getEndLoc()); |
737 | P.ConsumeToken(); |
738 | } else if (ClauseName.equals("simdlen")) { |
739 | if (SimdLen.isUsable()) { |
740 | P.Diag(Tok, diag::err_omp_more_one_clause) |
741 | << getOpenMPDirectiveName(OMPD_declare_simd) << ClauseName << 0; |
742 | IsError = true; |
743 | } |
744 | P.ConsumeToken(); |
745 | SourceLocation RLoc; |
746 | SimdLen = P.ParseOpenMPParensExpr(ClauseName, RLoc); |
747 | if (SimdLen.isInvalid()) |
748 | IsError = true; |
749 | } else { |
750 | OpenMPClauseKind CKind = getOpenMPClauseKind(ClauseName); |
751 | if (CKind == OMPC_uniform || CKind == OMPC_aligned || |
752 | CKind == OMPC_linear) { |
753 | Sema::OpenMPVarListDataTy Data; |
754 | SmallVectorImpl<Expr *> *Vars = &Uniforms; |
755 | if (CKind == OMPC_aligned) { |
756 | Vars = &Aligneds; |
757 | } else if (CKind == OMPC_linear) { |
758 | Data.ExtraModifier = OMPC_LINEAR_val; |
759 | Vars = &Linears; |
760 | } |
761 | |
762 | P.ConsumeToken(); |
763 | if (P.ParseOpenMPVarList(OMPD_declare_simd, |
764 | getOpenMPClauseKind(ClauseName), *Vars, Data)) |
765 | IsError = true; |
766 | if (CKind == OMPC_aligned) { |
767 | Alignments.append(Aligneds.size() - Alignments.size(), |
768 | Data.DepModOrTailExpr); |
769 | } else if (CKind == OMPC_linear) { |
770 | assert(0 <= Data.ExtraModifier &&(static_cast <bool> (0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && "Unexpected linear modifier." ) ? void (0) : __assert_fail ("0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && \"Unexpected linear modifier.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 772, __extension__ __PRETTY_FUNCTION__ )) |
771 | Data.ExtraModifier <= OMPC_LINEAR_unknown &&(static_cast <bool> (0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && "Unexpected linear modifier." ) ? void (0) : __assert_fail ("0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && \"Unexpected linear modifier.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 772, __extension__ __PRETTY_FUNCTION__ )) |
772 | "Unexpected linear modifier.")(static_cast <bool> (0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && "Unexpected linear modifier." ) ? void (0) : __assert_fail ("0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && \"Unexpected linear modifier.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 772, __extension__ __PRETTY_FUNCTION__ )); |
773 | if (P.getActions().CheckOpenMPLinearModifier( |
774 | static_cast<OpenMPLinearClauseKind>(Data.ExtraModifier), |
775 | Data.ExtraModifierLoc)) |
776 | Data.ExtraModifier = OMPC_LINEAR_val; |
777 | LinModifiers.append(Linears.size() - LinModifiers.size(), |
778 | Data.ExtraModifier); |
779 | Steps.append(Linears.size() - Steps.size(), Data.DepModOrTailExpr); |
780 | } |
781 | } else |
782 | // TODO: add parsing of other clauses. |
783 | break; |
784 | } |
785 | // Skip ',' if any. |
786 | if (Tok.is(tok::comma)) |
787 | P.ConsumeToken(); |
788 | } |
789 | return IsError; |
790 | } |
791 | |
792 | /// Parse clauses for '#pragma omp declare simd'. |
793 | Parser::DeclGroupPtrTy |
794 | Parser::ParseOMPDeclareSimdClauses(Parser::DeclGroupPtrTy Ptr, |
795 | CachedTokens &Toks, SourceLocation Loc) { |
796 | PP.EnterToken(Tok, /*IsReinject*/ true); |
797 | PP.EnterTokenStream(Toks, /*DisableMacroExpansion=*/true, |
798 | /*IsReinject*/ true); |
799 | // Consume the previously pushed token. |
800 | ConsumeAnyToken(/*ConsumeCodeCompletionTok=*/true); |
801 | ConsumeAnyToken(/*ConsumeCodeCompletionTok=*/true); |
802 | |
803 | FNContextRAII FnContext(*this, Ptr); |
804 | OMPDeclareSimdDeclAttr::BranchStateTy BS = |
805 | OMPDeclareSimdDeclAttr::BS_Undefined; |
806 | ExprResult Simdlen; |
807 | SmallVector<Expr *, 4> Uniforms; |
808 | SmallVector<Expr *, 4> Aligneds; |
809 | SmallVector<Expr *, 4> Alignments; |
810 | SmallVector<Expr *, 4> Linears; |
811 | SmallVector<unsigned, 4> LinModifiers; |
812 | SmallVector<Expr *, 4> Steps; |
813 | bool IsError = |
814 | parseDeclareSimdClauses(*this, BS, Simdlen, Uniforms, Aligneds, |
815 | Alignments, Linears, LinModifiers, Steps); |
816 | skipUntilPragmaOpenMPEnd(OMPD_declare_simd); |
817 | // Skip the last annot_pragma_openmp_end. |
818 | SourceLocation EndLoc = ConsumeAnnotationToken(); |
819 | if (IsError) |
820 | return Ptr; |
821 | return Actions.ActOnOpenMPDeclareSimdDirective( |
822 | Ptr, BS, Simdlen.get(), Uniforms, Aligneds, Alignments, Linears, |
823 | LinModifiers, Steps, SourceRange(Loc, EndLoc)); |
824 | } |
825 | |
826 | namespace { |
827 | /// Constant used in the diagnostics to distinguish the levels in an OpenMP |
828 | /// contexts: selector-set={selector(trait, ...), ...}, .... |
829 | enum OMPContextLvl { |
830 | CONTEXT_SELECTOR_SET_LVL = 0, |
831 | CONTEXT_SELECTOR_LVL = 1, |
832 | CONTEXT_TRAIT_LVL = 2, |
833 | }; |
834 | |
835 | static StringRef stringLiteralParser(Parser &P) { |
836 | ExprResult Res = P.ParseStringLiteralExpression(true); |
837 | return Res.isUsable() ? Res.getAs<StringLiteral>()->getString() : ""; |
838 | } |
839 | |
840 | static StringRef getNameFromIdOrString(Parser &P, Token &Tok, |
841 | OMPContextLvl Lvl) { |
842 | if (Tok.is(tok::identifier) || Tok.is(tok::kw_for)) { |
843 | llvm::SmallString<16> Buffer; |
844 | StringRef Name = P.getPreprocessor().getSpelling(Tok, Buffer); |
845 | (void)P.ConsumeToken(); |
846 | return Name; |
847 | } |
848 | |
849 | if (tok::isStringLiteral(Tok.getKind())) |
850 | return stringLiteralParser(P); |
851 | |
852 | P.Diag(Tok.getLocation(), |
853 | diag::warn_omp_declare_variant_string_literal_or_identifier) |
854 | << Lvl; |
855 | return ""; |
856 | } |
857 | |
858 | static bool checkForDuplicates(Parser &P, StringRef Name, |
859 | SourceLocation NameLoc, |
860 | llvm::StringMap<SourceLocation> &Seen, |
861 | OMPContextLvl Lvl) { |
862 | auto Res = Seen.try_emplace(Name, NameLoc); |
863 | if (Res.second) |
864 | return false; |
865 | |
866 | // Each trait-set-selector-name, trait-selector-name and trait-name can |
867 | // only be specified once. |
868 | P.Diag(NameLoc, diag::warn_omp_declare_variant_ctx_mutiple_use) |
869 | << Lvl << Name; |
870 | P.Diag(Res.first->getValue(), diag::note_omp_declare_variant_ctx_used_here) |
871 | << Lvl << Name; |
872 | return true; |
873 | } |
874 | } // namespace |
875 | |
876 | void Parser::parseOMPTraitPropertyKind(OMPTraitProperty &TIProperty, |
877 | llvm::omp::TraitSet Set, |
878 | llvm::omp::TraitSelector Selector, |
879 | llvm::StringMap<SourceLocation> &Seen) { |
880 | TIProperty.Kind = TraitProperty::invalid; |
881 | |
882 | SourceLocation NameLoc = Tok.getLocation(); |
883 | StringRef Name = getNameFromIdOrString(*this, Tok, CONTEXT_TRAIT_LVL); |
884 | if (Name.empty()) { |
885 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_options) |
886 | << CONTEXT_TRAIT_LVL << listOpenMPContextTraitProperties(Set, Selector); |
887 | return; |
888 | } |
889 | |
890 | TIProperty.RawString = Name; |
891 | TIProperty.Kind = getOpenMPContextTraitPropertyKind(Set, Selector, Name); |
892 | if (TIProperty.Kind != TraitProperty::invalid) { |
893 | if (checkForDuplicates(*this, Name, NameLoc, Seen, CONTEXT_TRAIT_LVL)) |
894 | TIProperty.Kind = TraitProperty::invalid; |
895 | return; |
896 | } |
897 | |
898 | // It follows diagnosis and helping notes. |
899 | // FIXME: We should move the diagnosis string generation into libFrontend. |
900 | Diag(NameLoc, diag::warn_omp_declare_variant_ctx_not_a_property) |
901 | << Name << getOpenMPContextTraitSelectorName(Selector) |
902 | << getOpenMPContextTraitSetName(Set); |
903 | |
904 | TraitSet SetForName = getOpenMPContextTraitSetKind(Name); |
905 | if (SetForName != TraitSet::invalid) { |
906 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
907 | << Name << CONTEXT_SELECTOR_SET_LVL << CONTEXT_TRAIT_LVL; |
908 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
909 | << Name << "<selector-name>" |
910 | << "(<property-name>)"; |
911 | return; |
912 | } |
913 | TraitSelector SelectorForName = getOpenMPContextTraitSelectorKind(Name); |
914 | if (SelectorForName != TraitSelector::invalid) { |
915 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
916 | << Name << CONTEXT_SELECTOR_LVL << CONTEXT_TRAIT_LVL; |
917 | bool AllowsTraitScore = false; |
918 | bool RequiresProperty = false; |
919 | isValidTraitSelectorForTraitSet( |
920 | SelectorForName, getOpenMPContextTraitSetForSelector(SelectorForName), |
921 | AllowsTraitScore, RequiresProperty); |
922 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
923 | << getOpenMPContextTraitSetName( |
924 | getOpenMPContextTraitSetForSelector(SelectorForName)) |
925 | << Name << (RequiresProperty ? "(<property-name>)" : ""); |
926 | return; |
927 | } |
928 | for (const auto &PotentialSet : |
929 | {TraitSet::construct, TraitSet::user, TraitSet::implementation, |
930 | TraitSet::device}) { |
931 | TraitProperty PropertyForName = |
932 | getOpenMPContextTraitPropertyKind(PotentialSet, Selector, Name); |
933 | if (PropertyForName == TraitProperty::invalid) |
934 | continue; |
935 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
936 | << getOpenMPContextTraitSetName( |
937 | getOpenMPContextTraitSetForProperty(PropertyForName)) |
938 | << getOpenMPContextTraitSelectorName( |
939 | getOpenMPContextTraitSelectorForProperty(PropertyForName)) |
940 | << ("(" + Name + ")").str(); |
941 | return; |
942 | } |
943 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_options) |
944 | << CONTEXT_TRAIT_LVL << listOpenMPContextTraitProperties(Set, Selector); |
945 | } |
946 | |
947 | static bool checkExtensionProperty(Parser &P, SourceLocation Loc, |
948 | OMPTraitProperty &TIProperty, |
949 | OMPTraitSelector &TISelector, |
950 | llvm::StringMap<SourceLocation> &Seen) { |
951 | assert(TISelector.Kind ==(static_cast <bool> (TISelector.Kind == llvm::omp::TraitSelector ::implementation_extension && "Only for extension properties, e.g., " "`implementation={extension(PROPERTY)}`") ? void (0) : __assert_fail ("TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && \"Only for extension properties, e.g., \" \"`implementation={extension(PROPERTY)}`\"" , "clang/lib/Parse/ParseOpenMP.cpp", 954, __extension__ __PRETTY_FUNCTION__ )) |
952 | llvm::omp::TraitSelector::implementation_extension &&(static_cast <bool> (TISelector.Kind == llvm::omp::TraitSelector ::implementation_extension && "Only for extension properties, e.g., " "`implementation={extension(PROPERTY)}`") ? void (0) : __assert_fail ("TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && \"Only for extension properties, e.g., \" \"`implementation={extension(PROPERTY)}`\"" , "clang/lib/Parse/ParseOpenMP.cpp", 954, __extension__ __PRETTY_FUNCTION__ )) |
953 | "Only for extension properties, e.g., "(static_cast <bool> (TISelector.Kind == llvm::omp::TraitSelector ::implementation_extension && "Only for extension properties, e.g., " "`implementation={extension(PROPERTY)}`") ? void (0) : __assert_fail ("TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && \"Only for extension properties, e.g., \" \"`implementation={extension(PROPERTY)}`\"" , "clang/lib/Parse/ParseOpenMP.cpp", 954, __extension__ __PRETTY_FUNCTION__ )) |
954 | "`implementation={extension(PROPERTY)}`")(static_cast <bool> (TISelector.Kind == llvm::omp::TraitSelector ::implementation_extension && "Only for extension properties, e.g., " "`implementation={extension(PROPERTY)}`") ? void (0) : __assert_fail ("TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && \"Only for extension properties, e.g., \" \"`implementation={extension(PROPERTY)}`\"" , "clang/lib/Parse/ParseOpenMP.cpp", 954, __extension__ __PRETTY_FUNCTION__ )); |
955 | if (TIProperty.Kind == TraitProperty::invalid) |
956 | return false; |
957 | |
958 | if (TIProperty.Kind == |
959 | TraitProperty::implementation_extension_disable_implicit_base) |
960 | return true; |
961 | |
962 | if (TIProperty.Kind == |
963 | TraitProperty::implementation_extension_allow_templates) |
964 | return true; |
965 | |
966 | if (TIProperty.Kind == |
967 | TraitProperty::implementation_extension_bind_to_declaration) |
968 | return true; |
969 | |
970 | auto IsMatchExtension = [](OMPTraitProperty &TP) { |
971 | return (TP.Kind == |
972 | llvm::omp::TraitProperty::implementation_extension_match_all || |
973 | TP.Kind == |
974 | llvm::omp::TraitProperty::implementation_extension_match_any || |
975 | TP.Kind == |
976 | llvm::omp::TraitProperty::implementation_extension_match_none); |
977 | }; |
978 | |
979 | if (IsMatchExtension(TIProperty)) { |
980 | for (OMPTraitProperty &SeenProp : TISelector.Properties) |
981 | if (IsMatchExtension(SeenProp)) { |
982 | P.Diag(Loc, diag::err_omp_variant_ctx_second_match_extension); |
983 | StringRef SeenName = llvm::omp::getOpenMPContextTraitPropertyName( |
984 | SeenProp.Kind, SeenProp.RawString); |
985 | SourceLocation SeenLoc = Seen[SeenName]; |
986 | P.Diag(SeenLoc, diag::note_omp_declare_variant_ctx_used_here) |
987 | << CONTEXT_TRAIT_LVL << SeenName; |
988 | return false; |
989 | } |
990 | return true; |
991 | } |
992 | |
993 | llvm_unreachable("Unknown extension property!")::llvm::llvm_unreachable_internal("Unknown extension property!" , "clang/lib/Parse/ParseOpenMP.cpp", 993); |
994 | } |
995 | |
996 | void Parser::parseOMPContextProperty(OMPTraitSelector &TISelector, |
997 | llvm::omp::TraitSet Set, |
998 | llvm::StringMap<SourceLocation> &Seen) { |
999 | assert(TISelector.Kind != TraitSelector::user_condition &&(static_cast <bool> (TISelector.Kind != TraitSelector:: user_condition && "User conditions are special properties not handled here!" ) ? void (0) : __assert_fail ("TISelector.Kind != TraitSelector::user_condition && \"User conditions are special properties not handled here!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 1000, __extension__ __PRETTY_FUNCTION__ )) |
1000 | "User conditions are special properties not handled here!")(static_cast <bool> (TISelector.Kind != TraitSelector:: user_condition && "User conditions are special properties not handled here!" ) ? void (0) : __assert_fail ("TISelector.Kind != TraitSelector::user_condition && \"User conditions are special properties not handled here!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 1000, __extension__ __PRETTY_FUNCTION__ )); |
1001 | |
1002 | SourceLocation PropertyLoc = Tok.getLocation(); |
1003 | OMPTraitProperty TIProperty; |
1004 | parseOMPTraitPropertyKind(TIProperty, Set, TISelector.Kind, Seen); |
1005 | |
1006 | if (TISelector.Kind == llvm::omp::TraitSelector::implementation_extension) |
1007 | if (!checkExtensionProperty(*this, Tok.getLocation(), TIProperty, |
1008 | TISelector, Seen)) |
1009 | TIProperty.Kind = TraitProperty::invalid; |
1010 | |
1011 | // If we have an invalid property here we already issued a warning. |
1012 | if (TIProperty.Kind == TraitProperty::invalid) { |
1013 | if (PropertyLoc != Tok.getLocation()) |
1014 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_continue_here) |
1015 | << CONTEXT_TRAIT_LVL; |
1016 | return; |
1017 | } |
1018 | |
1019 | if (isValidTraitPropertyForTraitSetAndSelector(TIProperty.Kind, |
1020 | TISelector.Kind, Set)) { |
1021 | |
1022 | // If we make it here the property, selector, set, score, condition, ... are |
1023 | // all valid (or have been corrected). Thus we can record the property. |
1024 | TISelector.Properties.push_back(TIProperty); |
1025 | return; |
1026 | } |
1027 | |
1028 | Diag(PropertyLoc, diag::warn_omp_ctx_incompatible_property_for_selector) |
1029 | << getOpenMPContextTraitPropertyName(TIProperty.Kind, |
1030 | TIProperty.RawString) |
1031 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1032 | << getOpenMPContextTraitSetName(Set); |
1033 | Diag(PropertyLoc, diag::note_omp_ctx_compatible_set_and_selector_for_property) |
1034 | << getOpenMPContextTraitPropertyName(TIProperty.Kind, |
1035 | TIProperty.RawString) |
1036 | << getOpenMPContextTraitSelectorName( |
1037 | getOpenMPContextTraitSelectorForProperty(TIProperty.Kind)) |
1038 | << getOpenMPContextTraitSetName( |
1039 | getOpenMPContextTraitSetForProperty(TIProperty.Kind)); |
1040 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_continue_here) |
1041 | << CONTEXT_TRAIT_LVL; |
1042 | } |
1043 | |
1044 | void Parser::parseOMPTraitSelectorKind(OMPTraitSelector &TISelector, |
1045 | llvm::omp::TraitSet Set, |
1046 | llvm::StringMap<SourceLocation> &Seen) { |
1047 | TISelector.Kind = TraitSelector::invalid; |
1048 | |
1049 | SourceLocation NameLoc = Tok.getLocation(); |
1050 | StringRef Name = getNameFromIdOrString(*this, Tok, CONTEXT_SELECTOR_LVL); |
1051 | if (Name.empty()) { |
1052 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_options) |
1053 | << CONTEXT_SELECTOR_LVL << listOpenMPContextTraitSelectors(Set); |
1054 | return; |
1055 | } |
1056 | |
1057 | TISelector.Kind = getOpenMPContextTraitSelectorKind(Name); |
1058 | if (TISelector.Kind != TraitSelector::invalid) { |
1059 | if (checkForDuplicates(*this, Name, NameLoc, Seen, CONTEXT_SELECTOR_LVL)) |
1060 | TISelector.Kind = TraitSelector::invalid; |
1061 | return; |
1062 | } |
1063 | |
1064 | // It follows diagnosis and helping notes. |
1065 | Diag(NameLoc, diag::warn_omp_declare_variant_ctx_not_a_selector) |
1066 | << Name << getOpenMPContextTraitSetName(Set); |
1067 | |
1068 | TraitSet SetForName = getOpenMPContextTraitSetKind(Name); |
1069 | if (SetForName != TraitSet::invalid) { |
1070 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
1071 | << Name << CONTEXT_SELECTOR_SET_LVL << CONTEXT_SELECTOR_LVL; |
1072 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
1073 | << Name << "<selector-name>" |
1074 | << "<property-name>"; |
1075 | return; |
1076 | } |
1077 | for (const auto &PotentialSet : |
1078 | {TraitSet::construct, TraitSet::user, TraitSet::implementation, |
1079 | TraitSet::device}) { |
1080 | TraitProperty PropertyForName = getOpenMPContextTraitPropertyKind( |
1081 | PotentialSet, TraitSelector::invalid, Name); |
1082 | if (PropertyForName == TraitProperty::invalid) |
1083 | continue; |
1084 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
1085 | << Name << CONTEXT_TRAIT_LVL << CONTEXT_SELECTOR_LVL; |
1086 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
1087 | << getOpenMPContextTraitSetName( |
1088 | getOpenMPContextTraitSetForProperty(PropertyForName)) |
1089 | << getOpenMPContextTraitSelectorName( |
1090 | getOpenMPContextTraitSelectorForProperty(PropertyForName)) |
1091 | << ("(" + Name + ")").str(); |
1092 | return; |
1093 | } |
1094 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_options) |
1095 | << CONTEXT_SELECTOR_LVL << listOpenMPContextTraitSelectors(Set); |
1096 | } |
1097 | |
1098 | /// Parse optional 'score' '(' <expr> ')' ':'. |
1099 | static ExprResult parseContextScore(Parser &P) { |
1100 | ExprResult ScoreExpr; |
1101 | llvm::SmallString<16> Buffer; |
1102 | StringRef SelectorName = |
1103 | P.getPreprocessor().getSpelling(P.getCurToken(), Buffer); |
1104 | if (!SelectorName.equals("score")) |
1105 | return ScoreExpr; |
1106 | (void)P.ConsumeToken(); |
1107 | SourceLocation RLoc; |
1108 | ScoreExpr = P.ParseOpenMPParensExpr(SelectorName, RLoc); |
1109 | // Parse ':' |
1110 | if (P.getCurToken().is(tok::colon)) |
1111 | (void)P.ConsumeAnyToken(); |
1112 | else |
1113 | P.Diag(P.getCurToken(), diag::warn_omp_declare_variant_expected) |
1114 | << "':'" |
1115 | << "score expression"; |
1116 | return ScoreExpr; |
1117 | } |
1118 | |
1119 | /// Parses an OpenMP context selector. |
1120 | /// |
1121 | /// <trait-selector-name> ['('[<trait-score>] <trait-property> [, <t-p>]* ')'] |
1122 | void Parser::parseOMPContextSelector( |
1123 | OMPTraitSelector &TISelector, llvm::omp::TraitSet Set, |
1124 | llvm::StringMap<SourceLocation> &SeenSelectors) { |
1125 | unsigned short OuterPC = ParenCount; |
1126 | |
1127 | // If anything went wrong we issue an error or warning and then skip the rest |
1128 | // of the selector. However, commas are ambiguous so we look for the nesting |
1129 | // of parentheses here as well. |
1130 | auto FinishSelector = [OuterPC, this]() -> void { |
1131 | bool Done = false; |
1132 | while (!Done) { |
1133 | while (!SkipUntil({tok::r_brace, tok::r_paren, tok::comma, |
1134 | tok::annot_pragma_openmp_end}, |
1135 | StopBeforeMatch)) |
1136 | ; |
1137 | if (Tok.is(tok::r_paren) && OuterPC > ParenCount) |
1138 | (void)ConsumeParen(); |
1139 | if (OuterPC <= ParenCount) { |
1140 | Done = true; |
1141 | break; |
1142 | } |
1143 | if (!Tok.is(tok::comma) && !Tok.is(tok::r_paren)) { |
1144 | Done = true; |
1145 | break; |
1146 | } |
1147 | (void)ConsumeAnyToken(); |
1148 | } |
1149 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_continue_here) |
1150 | << CONTEXT_SELECTOR_LVL; |
1151 | }; |
1152 | |
1153 | SourceLocation SelectorLoc = Tok.getLocation(); |
1154 | parseOMPTraitSelectorKind(TISelector, Set, SeenSelectors); |
1155 | if (TISelector.Kind == TraitSelector::invalid) |
1156 | return FinishSelector(); |
1157 | |
1158 | bool AllowsTraitScore = false; |
1159 | bool RequiresProperty = false; |
1160 | if (!isValidTraitSelectorForTraitSet(TISelector.Kind, Set, AllowsTraitScore, |
1161 | RequiresProperty)) { |
1162 | Diag(SelectorLoc, diag::warn_omp_ctx_incompatible_selector_for_set) |
1163 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1164 | << getOpenMPContextTraitSetName(Set); |
1165 | Diag(SelectorLoc, diag::note_omp_ctx_compatible_set_for_selector) |
1166 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1167 | << getOpenMPContextTraitSetName( |
1168 | getOpenMPContextTraitSetForSelector(TISelector.Kind)) |
1169 | << RequiresProperty; |
1170 | return FinishSelector(); |
1171 | } |
1172 | |
1173 | if (!RequiresProperty) { |
1174 | TISelector.Properties.push_back( |
1175 | {getOpenMPContextTraitPropertyForSelector(TISelector.Kind), |
1176 | getOpenMPContextTraitSelectorName(TISelector.Kind)}); |
1177 | return; |
1178 | } |
1179 | |
1180 | if (!Tok.is(tok::l_paren)) { |
1181 | Diag(SelectorLoc, diag::warn_omp_ctx_selector_without_properties) |
1182 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1183 | << getOpenMPContextTraitSetName(Set); |
1184 | return FinishSelector(); |
1185 | } |
1186 | |
1187 | if (TISelector.Kind == TraitSelector::user_condition) { |
1188 | SourceLocation RLoc; |
1189 | ExprResult Condition = ParseOpenMPParensExpr("user condition", RLoc); |
1190 | if (!Condition.isUsable()) |
1191 | return FinishSelector(); |
1192 | TISelector.ScoreOrCondition = Condition.get(); |
1193 | TISelector.Properties.push_back( |
1194 | {TraitProperty::user_condition_unknown, "<condition>"}); |
1195 | return; |
1196 | } |
1197 | |
1198 | BalancedDelimiterTracker BDT(*this, tok::l_paren, |
1199 | tok::annot_pragma_openmp_end); |
1200 | // Parse '('. |
1201 | (void)BDT.consumeOpen(); |
1202 | |
1203 | SourceLocation ScoreLoc = Tok.getLocation(); |
1204 | ExprResult Score = parseContextScore(*this); |
1205 | |
1206 | if (!AllowsTraitScore && !Score.isUnset()) { |
1207 | if (Score.isUsable()) { |
1208 | Diag(ScoreLoc, diag::warn_omp_ctx_incompatible_score_for_property) |
1209 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1210 | << getOpenMPContextTraitSetName(Set) << Score.get(); |
1211 | } else { |
1212 | Diag(ScoreLoc, diag::warn_omp_ctx_incompatible_score_for_property) |
1213 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1214 | << getOpenMPContextTraitSetName(Set) << "<invalid>"; |
1215 | } |
1216 | Score = ExprResult(); |
1217 | } |
1218 | |
1219 | if (Score.isUsable()) |
1220 | TISelector.ScoreOrCondition = Score.get(); |
1221 | |
1222 | llvm::StringMap<SourceLocation> SeenProperties; |
1223 | do { |
1224 | parseOMPContextProperty(TISelector, Set, SeenProperties); |
1225 | } while (TryConsumeToken(tok::comma)); |
1226 | |
1227 | // Parse ')'. |
1228 | BDT.consumeClose(); |
1229 | } |
1230 | |
1231 | void Parser::parseOMPTraitSetKind(OMPTraitSet &TISet, |
1232 | llvm::StringMap<SourceLocation> &Seen) { |
1233 | TISet.Kind = TraitSet::invalid; |
1234 | |
1235 | SourceLocation NameLoc = Tok.getLocation(); |
1236 | StringRef Name = getNameFromIdOrString(*this, Tok, CONTEXT_SELECTOR_SET_LVL); |
1237 | if (Name.empty()) { |
1238 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_options) |
1239 | << CONTEXT_SELECTOR_SET_LVL << listOpenMPContextTraitSets(); |
1240 | return; |
1241 | } |
1242 | |
1243 | TISet.Kind = getOpenMPContextTraitSetKind(Name); |
1244 | if (TISet.Kind != TraitSet::invalid) { |
1245 | if (checkForDuplicates(*this, Name, NameLoc, Seen, |
1246 | CONTEXT_SELECTOR_SET_LVL)) |
1247 | TISet.Kind = TraitSet::invalid; |
1248 | return; |
1249 | } |
1250 | |
1251 | // It follows diagnosis and helping notes. |
1252 | Diag(NameLoc, diag::warn_omp_declare_variant_ctx_not_a_set) << Name; |
1253 | |
1254 | TraitSelector SelectorForName = getOpenMPContextTraitSelectorKind(Name); |
1255 | if (SelectorForName != TraitSelector::invalid) { |
1256 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
1257 | << Name << CONTEXT_SELECTOR_LVL << CONTEXT_SELECTOR_SET_LVL; |
1258 | bool AllowsTraitScore = false; |
1259 | bool RequiresProperty = false; |
1260 | isValidTraitSelectorForTraitSet( |
1261 | SelectorForName, getOpenMPContextTraitSetForSelector(SelectorForName), |
1262 | AllowsTraitScore, RequiresProperty); |
1263 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
1264 | << getOpenMPContextTraitSetName( |
1265 | getOpenMPContextTraitSetForSelector(SelectorForName)) |
1266 | << Name << (RequiresProperty ? "(<property-name>)" : ""); |
1267 | return; |
1268 | } |
1269 | for (const auto &PotentialSet : |
1270 | {TraitSet::construct, TraitSet::user, TraitSet::implementation, |
1271 | TraitSet::device}) { |
1272 | TraitProperty PropertyForName = getOpenMPContextTraitPropertyKind( |
1273 | PotentialSet, TraitSelector::invalid, Name); |
1274 | if (PropertyForName == TraitProperty::invalid) |
1275 | continue; |
1276 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
1277 | << Name << CONTEXT_TRAIT_LVL << CONTEXT_SELECTOR_SET_LVL; |
1278 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
1279 | << getOpenMPContextTraitSetName( |
1280 | getOpenMPContextTraitSetForProperty(PropertyForName)) |
1281 | << getOpenMPContextTraitSelectorName( |
1282 | getOpenMPContextTraitSelectorForProperty(PropertyForName)) |
1283 | << ("(" + Name + ")").str(); |
1284 | return; |
1285 | } |
1286 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_options) |
1287 | << CONTEXT_SELECTOR_SET_LVL << listOpenMPContextTraitSets(); |
1288 | } |
1289 | |
1290 | /// Parses an OpenMP context selector set. |
1291 | /// |
1292 | /// <trait-set-selector-name> '=' '{' <trait-selector> [, <trait-selector>]* '}' |
1293 | void Parser::parseOMPContextSelectorSet( |
1294 | OMPTraitSet &TISet, llvm::StringMap<SourceLocation> &SeenSets) { |
1295 | auto OuterBC = BraceCount; |
1296 | |
1297 | // If anything went wrong we issue an error or warning and then skip the rest |
1298 | // of the set. However, commas are ambiguous so we look for the nesting |
1299 | // of braces here as well. |
1300 | auto FinishSelectorSet = [this, OuterBC]() -> void { |
1301 | bool Done = false; |
1302 | while (!Done) { |
1303 | while (!SkipUntil({tok::comma, tok::r_brace, tok::r_paren, |
1304 | tok::annot_pragma_openmp_end}, |
1305 | StopBeforeMatch)) |
1306 | ; |
1307 | if (Tok.is(tok::r_brace) && OuterBC > BraceCount) |
1308 | (void)ConsumeBrace(); |
1309 | if (OuterBC <= BraceCount) { |
1310 | Done = true; |
1311 | break; |
1312 | } |
1313 | if (!Tok.is(tok::comma) && !Tok.is(tok::r_brace)) { |
1314 | Done = true; |
1315 | break; |
1316 | } |
1317 | (void)ConsumeAnyToken(); |
1318 | } |
1319 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_continue_here) |
1320 | << CONTEXT_SELECTOR_SET_LVL; |
1321 | }; |
1322 | |
1323 | parseOMPTraitSetKind(TISet, SeenSets); |
1324 | if (TISet.Kind == TraitSet::invalid) |
1325 | return FinishSelectorSet(); |
1326 | |
1327 | // Parse '='. |
1328 | if (!TryConsumeToken(tok::equal)) |
1329 | Diag(Tok.getLocation(), diag::warn_omp_declare_variant_expected) |
1330 | << "=" |
1331 | << ("context set name \"" + getOpenMPContextTraitSetName(TISet.Kind) + |
1332 | "\"") |
1333 | .str(); |
1334 | |
1335 | // Parse '{'. |
1336 | if (Tok.is(tok::l_brace)) { |
1337 | (void)ConsumeBrace(); |
1338 | } else { |
1339 | Diag(Tok.getLocation(), diag::warn_omp_declare_variant_expected) |
1340 | << "{" |
1341 | << ("'=' that follows the context set name \"" + |
1342 | getOpenMPContextTraitSetName(TISet.Kind) + "\"") |
1343 | .str(); |
1344 | } |
1345 | |
1346 | llvm::StringMap<SourceLocation> SeenSelectors; |
1347 | do { |
1348 | OMPTraitSelector TISelector; |
1349 | parseOMPContextSelector(TISelector, TISet.Kind, SeenSelectors); |
1350 | if (TISelector.Kind != TraitSelector::invalid && |
1351 | !TISelector.Properties.empty()) |
1352 | TISet.Selectors.push_back(TISelector); |
1353 | } while (TryConsumeToken(tok::comma)); |
1354 | |
1355 | // Parse '}'. |
1356 | if (Tok.is(tok::r_brace)) { |
1357 | (void)ConsumeBrace(); |
1358 | } else { |
1359 | Diag(Tok.getLocation(), diag::warn_omp_declare_variant_expected) |
1360 | << "}" |
1361 | << ("context selectors for the context set \"" + |
1362 | getOpenMPContextTraitSetName(TISet.Kind) + "\"") |
1363 | .str(); |
1364 | } |
1365 | } |
1366 | |
1367 | /// Parse OpenMP context selectors: |
1368 | /// |
1369 | /// <trait-set-selector> [, <trait-set-selector>]* |
1370 | bool Parser::parseOMPContextSelectors(SourceLocation Loc, OMPTraitInfo &TI) { |
1371 | llvm::StringMap<SourceLocation> SeenSets; |
1372 | do { |
1373 | OMPTraitSet TISet; |
1374 | parseOMPContextSelectorSet(TISet, SeenSets); |
1375 | if (TISet.Kind != TraitSet::invalid && !TISet.Selectors.empty()) |
1376 | TI.Sets.push_back(TISet); |
1377 | } while (TryConsumeToken(tok::comma)); |
1378 | |
1379 | return false; |
1380 | } |
1381 | |
1382 | /// Parse clauses for '#pragma omp declare variant ( variant-func-id ) clause'. |
1383 | void Parser::ParseOMPDeclareVariantClauses(Parser::DeclGroupPtrTy Ptr, |
1384 | CachedTokens &Toks, |
1385 | SourceLocation Loc) { |
1386 | PP.EnterToken(Tok, /*IsReinject*/ true); |
1387 | PP.EnterTokenStream(Toks, /*DisableMacroExpansion=*/true, |
1388 | /*IsReinject*/ true); |
1389 | // Consume the previously pushed token. |
1390 | ConsumeAnyToken(/*ConsumeCodeCompletionTok=*/true); |
1391 | ConsumeAnyToken(/*ConsumeCodeCompletionTok=*/true); |
1392 | |
1393 | FNContextRAII FnContext(*this, Ptr); |
1394 | // Parse function declaration id. |
1395 | SourceLocation RLoc; |
1396 | // Parse with IsAddressOfOperand set to true to parse methods as DeclRefExprs |
1397 | // instead of MemberExprs. |
1398 | ExprResult AssociatedFunction; |
1399 | { |
1400 | // Do not mark function as is used to prevent its emission if this is the |
1401 | // only place where it is used. |
1402 | EnterExpressionEvaluationContext Unevaluated( |
1403 | Actions, Sema::ExpressionEvaluationContext::Unevaluated); |
1404 | AssociatedFunction = ParseOpenMPParensExpr( |
1405 | getOpenMPDirectiveName(OMPD_declare_variant), RLoc, |
1406 | /*IsAddressOfOperand=*/true); |
1407 | } |
1408 | if (!AssociatedFunction.isUsable()) { |
1409 | if (!Tok.is(tok::annot_pragma_openmp_end)) |
1410 | while (!SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch)) |
1411 | ; |
1412 | // Skip the last annot_pragma_openmp_end. |
1413 | (void)ConsumeAnnotationToken(); |
1414 | return; |
1415 | } |
1416 | |
1417 | OMPTraitInfo *ParentTI = Actions.getOMPTraitInfoForSurroundingScope(); |
1418 | ASTContext &ASTCtx = Actions.getASTContext(); |
1419 | OMPTraitInfo &TI = ASTCtx.getNewOMPTraitInfo(); |
1420 | SmallVector<Expr *, 6> AdjustNothing; |
1421 | SmallVector<Expr *, 6> AdjustNeedDevicePtr; |
1422 | SmallVector<OMPInteropInfo, 3> AppendArgs; |
1423 | SourceLocation AdjustArgsLoc, AppendArgsLoc; |
1424 | |
1425 | // At least one clause is required. |
1426 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
1427 | Diag(Tok.getLocation(), diag::err_omp_declare_variant_wrong_clause) |
1428 | << (getLangOpts().OpenMP < 51 ? 0 : 1); |
1429 | } |
1430 | |
1431 | bool IsError = false; |
1432 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
1433 | OpenMPClauseKind CKind = Tok.isAnnotation() |
1434 | ? OMPC_unknown |
1435 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
1436 | if (!isAllowedClauseForDirective(OMPD_declare_variant, CKind, |
1437 | getLangOpts().OpenMP)) { |
1438 | Diag(Tok.getLocation(), diag::err_omp_declare_variant_wrong_clause) |
1439 | << (getLangOpts().OpenMP < 51 ? 0 : 1); |
1440 | IsError = true; |
1441 | } |
1442 | if (!IsError) { |
1443 | switch (CKind) { |
1444 | case OMPC_match: |
1445 | IsError = parseOMPDeclareVariantMatchClause(Loc, TI, ParentTI); |
1446 | break; |
1447 | case OMPC_adjust_args: { |
1448 | AdjustArgsLoc = Tok.getLocation(); |
1449 | ConsumeToken(); |
1450 | Sema::OpenMPVarListDataTy Data; |
1451 | SmallVector<Expr *> Vars; |
1452 | IsError = ParseOpenMPVarList(OMPD_declare_variant, OMPC_adjust_args, |
1453 | Vars, Data); |
1454 | if (!IsError) |
1455 | llvm::append_range(Data.ExtraModifier == OMPC_ADJUST_ARGS_nothing |
1456 | ? AdjustNothing |
1457 | : AdjustNeedDevicePtr, |
1458 | Vars); |
1459 | break; |
1460 | } |
1461 | case OMPC_append_args: |
1462 | if (!AppendArgs.empty()) { |
1463 | Diag(AppendArgsLoc, diag::err_omp_more_one_clause) |
1464 | << getOpenMPDirectiveName(OMPD_declare_variant) |
1465 | << getOpenMPClauseName(CKind) << 0; |
1466 | IsError = true; |
1467 | } |
1468 | if (!IsError) { |
1469 | AppendArgsLoc = Tok.getLocation(); |
1470 | ConsumeToken(); |
1471 | IsError = parseOpenMPAppendArgs(AppendArgs); |
1472 | } |
1473 | break; |
1474 | default: |
1475 | llvm_unreachable("Unexpected clause for declare variant.")::llvm::llvm_unreachable_internal("Unexpected clause for declare variant." , "clang/lib/Parse/ParseOpenMP.cpp", 1475); |
1476 | } |
1477 | } |
1478 | if (IsError) { |
1479 | while (!SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch)) |
1480 | ; |
1481 | // Skip the last annot_pragma_openmp_end. |
1482 | (void)ConsumeAnnotationToken(); |
1483 | return; |
1484 | } |
1485 | // Skip ',' if any. |
1486 | if (Tok.is(tok::comma)) |
1487 | ConsumeToken(); |
1488 | } |
1489 | |
1490 | Optional<std::pair<FunctionDecl *, Expr *>> DeclVarData = |
1491 | Actions.checkOpenMPDeclareVariantFunction( |
1492 | Ptr, AssociatedFunction.get(), TI, AppendArgs.size(), |
1493 | SourceRange(Loc, Tok.getLocation())); |
1494 | |
1495 | if (DeclVarData && !TI.Sets.empty()) |
1496 | Actions.ActOnOpenMPDeclareVariantDirective( |
1497 | DeclVarData->first, DeclVarData->second, TI, AdjustNothing, |
1498 | AdjustNeedDevicePtr, AppendArgs, AdjustArgsLoc, AppendArgsLoc, |
1499 | SourceRange(Loc, Tok.getLocation())); |
1500 | |
1501 | // Skip the last annot_pragma_openmp_end. |
1502 | (void)ConsumeAnnotationToken(); |
1503 | } |
1504 | |
1505 | bool Parser::parseOpenMPAppendArgs( |
1506 | SmallVectorImpl<OMPInteropInfo> &InteropInfos) { |
1507 | bool HasError = false; |
1508 | // Parse '('. |
1509 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
1510 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
1511 | getOpenMPClauseName(OMPC_append_args).data())) |
1512 | return true; |
1513 | |
1514 | // Parse the list of append-ops, each is; |
1515 | // interop(interop-type[,interop-type]...) |
1516 | while (Tok.is(tok::identifier) && Tok.getIdentifierInfo()->isStr("interop")) { |
1517 | ConsumeToken(); |
1518 | BalancedDelimiterTracker IT(*this, tok::l_paren, |
1519 | tok::annot_pragma_openmp_end); |
1520 | if (IT.expectAndConsume(diag::err_expected_lparen_after, "interop")) |
1521 | return true; |
1522 | |
1523 | OMPInteropInfo InteropInfo; |
1524 | if (ParseOMPInteropInfo(InteropInfo, OMPC_append_args)) |
1525 | HasError = true; |
1526 | else |
1527 | InteropInfos.push_back(InteropInfo); |
1528 | |
1529 | IT.consumeClose(); |
1530 | if (Tok.is(tok::comma)) |
1531 | ConsumeToken(); |
1532 | } |
1533 | if (!HasError && InteropInfos.empty()) { |
1534 | HasError = true; |
1535 | Diag(Tok.getLocation(), diag::err_omp_unexpected_append_op); |
1536 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
1537 | StopBeforeMatch); |
1538 | } |
1539 | HasError = T.consumeClose() || HasError; |
1540 | return HasError; |
1541 | } |
1542 | |
1543 | bool Parser::parseOMPDeclareVariantMatchClause(SourceLocation Loc, |
1544 | OMPTraitInfo &TI, |
1545 | OMPTraitInfo *ParentTI) { |
1546 | // Parse 'match'. |
1547 | OpenMPClauseKind CKind = Tok.isAnnotation() |
1548 | ? OMPC_unknown |
1549 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
1550 | if (CKind != OMPC_match) { |
1551 | Diag(Tok.getLocation(), diag::err_omp_declare_variant_wrong_clause) |
1552 | << (getLangOpts().OpenMP < 51 ? 0 : 1); |
1553 | return true; |
1554 | } |
1555 | (void)ConsumeToken(); |
1556 | // Parse '('. |
1557 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
1558 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
1559 | getOpenMPClauseName(OMPC_match).data())) |
1560 | return true; |
1561 | |
1562 | // Parse inner context selectors. |
1563 | parseOMPContextSelectors(Loc, TI); |
1564 | |
1565 | // Parse ')' |
1566 | (void)T.consumeClose(); |
1567 | |
1568 | if (!ParentTI) |
1569 | return false; |
1570 | |
1571 | // Merge the parent/outer trait info into the one we just parsed and diagnose |
1572 | // problems. |
1573 | // TODO: Keep some source location in the TI to provide better diagnostics. |
1574 | // TODO: Perform some kind of equivalence check on the condition and score |
1575 | // expressions. |
1576 | for (const OMPTraitSet &ParentSet : ParentTI->Sets) { |
1577 | bool MergedSet = false; |
1578 | for (OMPTraitSet &Set : TI.Sets) { |
1579 | if (Set.Kind != ParentSet.Kind) |
1580 | continue; |
1581 | MergedSet = true; |
1582 | for (const OMPTraitSelector &ParentSelector : ParentSet.Selectors) { |
1583 | bool MergedSelector = false; |
1584 | for (OMPTraitSelector &Selector : Set.Selectors) { |
1585 | if (Selector.Kind != ParentSelector.Kind) |
1586 | continue; |
1587 | MergedSelector = true; |
1588 | for (const OMPTraitProperty &ParentProperty : |
1589 | ParentSelector.Properties) { |
1590 | bool MergedProperty = false; |
1591 | for (OMPTraitProperty &Property : Selector.Properties) { |
1592 | // Ignore "equivalent" properties. |
1593 | if (Property.Kind != ParentProperty.Kind) |
1594 | continue; |
1595 | |
1596 | // If the kind is the same but the raw string not, we don't want |
1597 | // to skip out on the property. |
1598 | MergedProperty |= Property.RawString == ParentProperty.RawString; |
1599 | |
1600 | if (Property.RawString == ParentProperty.RawString && |
1601 | Selector.ScoreOrCondition == ParentSelector.ScoreOrCondition) |
1602 | continue; |
1603 | |
1604 | if (Selector.Kind == llvm::omp::TraitSelector::user_condition) { |
1605 | Diag(Loc, diag::err_omp_declare_variant_nested_user_condition); |
1606 | } else if (Selector.ScoreOrCondition != |
1607 | ParentSelector.ScoreOrCondition) { |
1608 | Diag(Loc, diag::err_omp_declare_variant_duplicate_nested_trait) |
1609 | << getOpenMPContextTraitPropertyName( |
1610 | ParentProperty.Kind, ParentProperty.RawString) |
1611 | << getOpenMPContextTraitSelectorName(ParentSelector.Kind) |
1612 | << getOpenMPContextTraitSetName(ParentSet.Kind); |
1613 | } |
1614 | } |
1615 | if (!MergedProperty) |
1616 | Selector.Properties.push_back(ParentProperty); |
1617 | } |
1618 | } |
1619 | if (!MergedSelector) |
1620 | Set.Selectors.push_back(ParentSelector); |
1621 | } |
1622 | } |
1623 | if (!MergedSet) |
1624 | TI.Sets.push_back(ParentSet); |
1625 | } |
1626 | |
1627 | return false; |
1628 | } |
1629 | |
1630 | /// `omp assumes` or `omp begin/end assumes` <clause> [[,]<clause>]... |
1631 | /// where |
1632 | /// |
1633 | /// clause: |
1634 | /// 'ext_IMPL_DEFINED' |
1635 | /// 'absent' '(' directive-name [, directive-name]* ')' |
1636 | /// 'contains' '(' directive-name [, directive-name]* ')' |
1637 | /// 'holds' '(' scalar-expression ')' |
1638 | /// 'no_openmp' |
1639 | /// 'no_openmp_routines' |
1640 | /// 'no_parallelism' |
1641 | /// |
1642 | void Parser::ParseOpenMPAssumesDirective(OpenMPDirectiveKind DKind, |
1643 | SourceLocation Loc) { |
1644 | SmallVector<std::string, 4> Assumptions; |
1645 | bool SkippedClauses = false; |
1646 | |
1647 | auto SkipBraces = [&](llvm::StringRef Spelling, bool IssueNote) { |
1648 | BalancedDelimiterTracker T(*this, tok::l_paren, |
1649 | tok::annot_pragma_openmp_end); |
1650 | if (T.expectAndConsume(diag::err_expected_lparen_after, Spelling.data())) |
1651 | return; |
1652 | T.skipToEnd(); |
1653 | if (IssueNote && T.getCloseLocation().isValid()) |
1654 | Diag(T.getCloseLocation(), |
1655 | diag::note_omp_assumption_clause_continue_here); |
1656 | }; |
1657 | |
1658 | /// Helper to determine which AssumptionClauseMapping (ACM) in the |
1659 | /// AssumptionClauseMappings table matches \p RawString. The return value is |
1660 | /// the index of the matching ACM into the table or -1 if there was no match. |
1661 | auto MatchACMClause = [&](StringRef RawString) { |
1662 | llvm::StringSwitch<int> SS(RawString); |
1663 | unsigned ACMIdx = 0; |
1664 | for (const AssumptionClauseMappingInfo &ACMI : AssumptionClauseMappings) { |
1665 | if (ACMI.StartsWith) |
1666 | SS.StartsWith(ACMI.Identifier, ACMIdx++); |
1667 | else |
1668 | SS.Case(ACMI.Identifier, ACMIdx++); |
1669 | } |
1670 | return SS.Default(-1); |
1671 | }; |
1672 | |
1673 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
1674 | IdentifierInfo *II = nullptr; |
1675 | SourceLocation StartLoc = Tok.getLocation(); |
1676 | int Idx = -1; |
1677 | if (Tok.isAnyIdentifier()) { |
1678 | II = Tok.getIdentifierInfo(); |
1679 | Idx = MatchACMClause(II->getName()); |
1680 | } |
1681 | ConsumeAnyToken(); |
1682 | |
1683 | bool NextIsLPar = Tok.is(tok::l_paren); |
1684 | // Handle unknown clauses by skipping them. |
1685 | if (Idx == -1) { |
1686 | Diag(StartLoc, diag::warn_omp_unknown_assumption_clause_missing_id) |
1687 | << llvm::omp::getOpenMPDirectiveName(DKind) |
1688 | << llvm::omp::getAllAssumeClauseOptions() << NextIsLPar; |
1689 | if (NextIsLPar) |
1690 | SkipBraces(II ? II->getName() : "", /* IssueNote */ true); |
1691 | SkippedClauses = true; |
1692 | continue; |
1693 | } |
1694 | const AssumptionClauseMappingInfo &ACMI = AssumptionClauseMappings[Idx]; |
1695 | if (ACMI.HasDirectiveList || ACMI.HasExpression) { |
1696 | // TODO: We ignore absent, contains, and holds assumptions for now. We |
1697 | // also do not verify the content in the parenthesis at all. |
1698 | SkippedClauses = true; |
1699 | SkipBraces(II->getName(), /* IssueNote */ false); |
1700 | continue; |
1701 | } |
1702 | |
1703 | if (NextIsLPar) { |
1704 | Diag(Tok.getLocation(), |
1705 | diag::warn_omp_unknown_assumption_clause_without_args) |
1706 | << II; |
1707 | SkipBraces(II->getName(), /* IssueNote */ true); |
1708 | } |
1709 | |
1710 | assert(II && "Expected an identifier clause!")(static_cast <bool> (II && "Expected an identifier clause!" ) ? void (0) : __assert_fail ("II && \"Expected an identifier clause!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 1710, __extension__ __PRETTY_FUNCTION__ )); |
1711 | std::string Assumption = II->getName().str(); |
1712 | if (ACMI.StartsWith) |
1713 | Assumption = "ompx_" + Assumption.substr(ACMI.Identifier.size()); |
1714 | else |
1715 | Assumption = "omp_" + Assumption; |
1716 | Assumptions.push_back(Assumption); |
1717 | } |
1718 | |
1719 | Actions.ActOnOpenMPAssumesDirective(Loc, DKind, Assumptions, SkippedClauses); |
1720 | } |
1721 | |
1722 | void Parser::ParseOpenMPEndAssumesDirective(SourceLocation Loc) { |
1723 | if (Actions.isInOpenMPAssumeScope()) |
1724 | Actions.ActOnOpenMPEndAssumesDirective(); |
1725 | else |
1726 | Diag(Loc, diag::err_expected_begin_assumes); |
1727 | } |
1728 | |
1729 | /// Parsing of simple OpenMP clauses like 'default' or 'proc_bind'. |
1730 | /// |
1731 | /// default-clause: |
1732 | /// 'default' '(' 'none' | 'shared' | 'private' | 'firstprivate' ') |
1733 | /// |
1734 | /// proc_bind-clause: |
1735 | /// 'proc_bind' '(' 'master' | 'close' | 'spread' ') |
1736 | /// |
1737 | /// device_type-clause: |
1738 | /// 'device_type' '(' 'host' | 'nohost' | 'any' )' |
1739 | namespace { |
1740 | struct SimpleClauseData { |
1741 | unsigned Type; |
1742 | SourceLocation Loc; |
1743 | SourceLocation LOpen; |
1744 | SourceLocation TypeLoc; |
1745 | SourceLocation RLoc; |
1746 | SimpleClauseData(unsigned Type, SourceLocation Loc, SourceLocation LOpen, |
1747 | SourceLocation TypeLoc, SourceLocation RLoc) |
1748 | : Type(Type), Loc(Loc), LOpen(LOpen), TypeLoc(TypeLoc), RLoc(RLoc) {} |
1749 | }; |
1750 | } // anonymous namespace |
1751 | |
1752 | static Optional<SimpleClauseData> |
1753 | parseOpenMPSimpleClause(Parser &P, OpenMPClauseKind Kind) { |
1754 | const Token &Tok = P.getCurToken(); |
1755 | SourceLocation Loc = Tok.getLocation(); |
1756 | SourceLocation LOpen = P.ConsumeToken(); |
1757 | // Parse '('. |
1758 | BalancedDelimiterTracker T(P, tok::l_paren, tok::annot_pragma_openmp_end); |
1759 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
1760 | getOpenMPClauseName(Kind).data())) |
1761 | return llvm::None; |
1762 | |
1763 | unsigned Type = getOpenMPSimpleClauseType( |
1764 | Kind, Tok.isAnnotation() ? "" : P.getPreprocessor().getSpelling(Tok), |
1765 | P.getLangOpts()); |
1766 | SourceLocation TypeLoc = Tok.getLocation(); |
1767 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
1768 | Tok.isNot(tok::annot_pragma_openmp_end)) |
1769 | P.ConsumeAnyToken(); |
1770 | |
1771 | // Parse ')'. |
1772 | SourceLocation RLoc = Tok.getLocation(); |
1773 | if (!T.consumeClose()) |
1774 | RLoc = T.getCloseLocation(); |
1775 | |
1776 | return SimpleClauseData(Type, Loc, LOpen, TypeLoc, RLoc); |
1777 | } |
1778 | |
1779 | void Parser::ParseOMPDeclareTargetClauses( |
1780 | Sema::DeclareTargetContextInfo &DTCI) { |
1781 | SourceLocation DeviceTypeLoc; |
1782 | bool RequiresToOrLinkOrIndirectClause = false; |
1783 | bool HasToOrLinkOrIndirectClause = false; |
1784 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
1785 | OMPDeclareTargetDeclAttr::MapTypeTy MT = OMPDeclareTargetDeclAttr::MT_To; |
1786 | bool HasIdentifier = Tok.is(tok::identifier); |
1787 | if (HasIdentifier) { |
1788 | // If we see any clause we need a to or link clause. |
1789 | RequiresToOrLinkOrIndirectClause = true; |
1790 | IdentifierInfo *II = Tok.getIdentifierInfo(); |
1791 | StringRef ClauseName = II->getName(); |
1792 | bool IsDeviceTypeClause = |
1793 | getLangOpts().OpenMP >= 50 && |
1794 | getOpenMPClauseKind(ClauseName) == OMPC_device_type; |
1795 | |
1796 | bool IsIndirectClause = getLangOpts().OpenMP >= 51 && |
1797 | getOpenMPClauseKind(ClauseName) == OMPC_indirect; |
1798 | if (DTCI.Indirect && IsIndirectClause) { |
1799 | Diag(Tok, diag::err_omp_more_one_clause) |
1800 | << getOpenMPDirectiveName(OMPD_declare_target) |
1801 | << getOpenMPClauseName(OMPC_indirect) << 0; |
1802 | break; |
1803 | } |
1804 | bool IsToOrLinkClause = |
1805 | OMPDeclareTargetDeclAttr::ConvertStrToMapTypeTy(ClauseName, MT); |
1806 | assert((!IsDeviceTypeClause || !IsToOrLinkClause) && "Cannot be both!")(static_cast <bool> ((!IsDeviceTypeClause || !IsToOrLinkClause ) && "Cannot be both!") ? void (0) : __assert_fail ("(!IsDeviceTypeClause || !IsToOrLinkClause) && \"Cannot be both!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 1806, __extension__ __PRETTY_FUNCTION__ )); |
1807 | |
1808 | if (!IsDeviceTypeClause && !IsIndirectClause && |
1809 | DTCI.Kind == OMPD_begin_declare_target) { |
1810 | Diag(Tok, diag::err_omp_declare_target_unexpected_clause) |
1811 | << ClauseName << (getLangOpts().OpenMP >= 51 ? 3 : 0); |
1812 | break; |
1813 | } |
1814 | if (!IsDeviceTypeClause && !IsToOrLinkClause && !IsIndirectClause) { |
1815 | Diag(Tok, diag::err_omp_declare_target_unexpected_clause) |
1816 | << ClauseName |
1817 | << (getLangOpts().OpenMP >= 51 ? 4 |
1818 | : getLangOpts().OpenMP >= 50 ? 2 |
1819 | : 1); |
1820 | break; |
1821 | } |
1822 | |
1823 | if (IsToOrLinkClause || IsIndirectClause) |
1824 | HasToOrLinkOrIndirectClause = true; |
1825 | |
1826 | if (IsIndirectClause) { |
1827 | if (!ParseOpenMPIndirectClause(DTCI, /*ParseOnly*/ false)) |
1828 | break; |
1829 | continue; |
1830 | } |
1831 | // Parse 'device_type' clause and go to next clause if any. |
1832 | if (IsDeviceTypeClause) { |
1833 | Optional<SimpleClauseData> DevTypeData = |
1834 | parseOpenMPSimpleClause(*this, OMPC_device_type); |
1835 | if (DevTypeData) { |
1836 | if (DeviceTypeLoc.isValid()) { |
1837 | // We already saw another device_type clause, diagnose it. |
1838 | Diag(DevTypeData.value().Loc, |
1839 | diag::warn_omp_more_one_device_type_clause); |
1840 | break; |
1841 | } |
1842 | switch (static_cast<OpenMPDeviceType>(DevTypeData.value().Type)) { |
1843 | case OMPC_DEVICE_TYPE_any: |
1844 | DTCI.DT = OMPDeclareTargetDeclAttr::DT_Any; |
1845 | break; |
1846 | case OMPC_DEVICE_TYPE_host: |
1847 | DTCI.DT = OMPDeclareTargetDeclAttr::DT_Host; |
1848 | break; |
1849 | case OMPC_DEVICE_TYPE_nohost: |
1850 | DTCI.DT = OMPDeclareTargetDeclAttr::DT_NoHost; |
1851 | break; |
1852 | case OMPC_DEVICE_TYPE_unknown: |
1853 | llvm_unreachable("Unexpected device_type")::llvm::llvm_unreachable_internal("Unexpected device_type", "clang/lib/Parse/ParseOpenMP.cpp" , 1853); |
1854 | } |
1855 | DeviceTypeLoc = DevTypeData->Loc; |
1856 | } |
1857 | continue; |
1858 | } |
1859 | ConsumeToken(); |
1860 | } |
1861 | |
1862 | if (DTCI.Kind == OMPD_declare_target || HasIdentifier) { |
1863 | auto &&Callback = [this, MT, &DTCI](CXXScopeSpec &SS, |
1864 | DeclarationNameInfo NameInfo) { |
1865 | NamedDecl *ND = |
1866 | Actions.lookupOpenMPDeclareTargetName(getCurScope(), SS, NameInfo); |
1867 | if (!ND) |
1868 | return; |
1869 | Sema::DeclareTargetContextInfo::MapInfo MI{MT, NameInfo.getLoc()}; |
1870 | bool FirstMapping = DTCI.ExplicitlyMapped.try_emplace(ND, MI).second; |
1871 | if (!FirstMapping) |
1872 | Diag(NameInfo.getLoc(), diag::err_omp_declare_target_multiple) |
1873 | << NameInfo.getName(); |
1874 | }; |
1875 | if (ParseOpenMPSimpleVarList(OMPD_declare_target, Callback, |
1876 | /*AllowScopeSpecifier=*/true)) |
1877 | break; |
1878 | } |
1879 | |
1880 | if (Tok.is(tok::l_paren)) { |
1881 | Diag(Tok, |
1882 | diag::err_omp_begin_declare_target_unexpected_implicit_to_clause); |
1883 | break; |
1884 | } |
1885 | if (!HasIdentifier && Tok.isNot(tok::annot_pragma_openmp_end)) { |
1886 | Diag(Tok, |
1887 | diag::err_omp_declare_target_unexpected_clause_after_implicit_to); |
1888 | break; |
1889 | } |
1890 | |
1891 | // Consume optional ','. |
1892 | if (Tok.is(tok::comma)) |
1893 | ConsumeToken(); |
1894 | } |
1895 | |
1896 | if (DTCI.Indirect && DTCI.DT != OMPDeclareTargetDeclAttr::DT_Any) |
1897 | Diag(DeviceTypeLoc, diag::err_omp_declare_target_indirect_device_type); |
1898 | |
1899 | // For declare target require at least 'to' or 'link' to be present. |
1900 | if (DTCI.Kind == OMPD_declare_target && RequiresToOrLinkOrIndirectClause && |
1901 | !HasToOrLinkOrIndirectClause) |
1902 | Diag(DTCI.Loc, diag::err_omp_declare_target_missing_to_or_link_clause) |
1903 | << (getLangOpts().OpenMP >= 51 ? 1 : 0); |
1904 | |
1905 | SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch); |
1906 | } |
1907 | |
1908 | void Parser::skipUntilPragmaOpenMPEnd(OpenMPDirectiveKind DKind) { |
1909 | // The last seen token is annot_pragma_openmp_end - need to check for |
1910 | // extra tokens. |
1911 | if (Tok.is(tok::annot_pragma_openmp_end)) |
1912 | return; |
1913 | |
1914 | Diag(Tok, diag::warn_omp_extra_tokens_at_eol) |
1915 | << getOpenMPDirectiveName(DKind); |
1916 | while (Tok.isNot(tok::annot_pragma_openmp_end)) |
1917 | ConsumeAnyToken(); |
1918 | } |
1919 | |
1920 | void Parser::parseOMPEndDirective(OpenMPDirectiveKind BeginKind, |
1921 | OpenMPDirectiveKind ExpectedKind, |
1922 | OpenMPDirectiveKind FoundKind, |
1923 | SourceLocation BeginLoc, |
1924 | SourceLocation FoundLoc, |
1925 | bool SkipUntilOpenMPEnd) { |
1926 | int DiagSelection = ExpectedKind == OMPD_end_declare_target ? 0 : 1; |
1927 | |
1928 | if (FoundKind == ExpectedKind) { |
1929 | ConsumeAnyToken(); |
1930 | skipUntilPragmaOpenMPEnd(ExpectedKind); |
1931 | return; |
1932 | } |
1933 | |
1934 | Diag(FoundLoc, diag::err_expected_end_declare_target_or_variant) |
1935 | << DiagSelection; |
1936 | Diag(BeginLoc, diag::note_matching) |
1937 | << ("'#pragma omp " + getOpenMPDirectiveName(BeginKind) + "'").str(); |
1938 | if (SkipUntilOpenMPEnd) |
1939 | SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch); |
1940 | } |
1941 | |
1942 | void Parser::ParseOMPEndDeclareTargetDirective(OpenMPDirectiveKind BeginDKind, |
1943 | OpenMPDirectiveKind EndDKind, |
1944 | SourceLocation DKLoc) { |
1945 | parseOMPEndDirective(BeginDKind, OMPD_end_declare_target, EndDKind, DKLoc, |
1946 | Tok.getLocation(), |
1947 | /* SkipUntilOpenMPEnd */ false); |
1948 | // Skip the last annot_pragma_openmp_end. |
1949 | if (Tok.is(tok::annot_pragma_openmp_end)) |
1950 | ConsumeAnnotationToken(); |
1951 | } |
1952 | |
1953 | /// Parsing of declarative OpenMP directives. |
1954 | /// |
1955 | /// threadprivate-directive: |
1956 | /// annot_pragma_openmp 'threadprivate' simple-variable-list |
1957 | /// annot_pragma_openmp_end |
1958 | /// |
1959 | /// allocate-directive: |
1960 | /// annot_pragma_openmp 'allocate' simple-variable-list [<clause>] |
1961 | /// annot_pragma_openmp_end |
1962 | /// |
1963 | /// declare-reduction-directive: |
1964 | /// annot_pragma_openmp 'declare' 'reduction' [...] |
1965 | /// annot_pragma_openmp_end |
1966 | /// |
1967 | /// declare-mapper-directive: |
1968 | /// annot_pragma_openmp 'declare' 'mapper' '(' [<mapper-identifer> ':'] |
1969 | /// <type> <var> ')' [<clause>[[,] <clause>] ... ] |
1970 | /// annot_pragma_openmp_end |
1971 | /// |
1972 | /// declare-simd-directive: |
1973 | /// annot_pragma_openmp 'declare simd' {<clause> [,]} |
1974 | /// annot_pragma_openmp_end |
1975 | /// <function declaration/definition> |
1976 | /// |
1977 | /// requires directive: |
1978 | /// annot_pragma_openmp 'requires' <clause> [[[,] <clause>] ... ] |
1979 | /// annot_pragma_openmp_end |
1980 | /// |
1981 | /// assumes directive: |
1982 | /// annot_pragma_openmp 'assumes' <clause> [[[,] <clause>] ... ] |
1983 | /// annot_pragma_openmp_end |
1984 | /// or |
1985 | /// annot_pragma_openmp 'begin assumes' <clause> [[[,] <clause>] ... ] |
1986 | /// annot_pragma_openmp 'end assumes' |
1987 | /// annot_pragma_openmp_end |
1988 | /// |
1989 | Parser::DeclGroupPtrTy Parser::ParseOpenMPDeclarativeDirectiveWithExtDecl( |
1990 | AccessSpecifier &AS, ParsedAttributes &Attrs, bool Delayed, |
1991 | DeclSpec::TST TagType, Decl *Tag) { |
1992 | assert(Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp) &&(static_cast <bool> (Tok.isOneOf(tok::annot_pragma_openmp , tok::annot_attr_openmp) && "Not an OpenMP directive!" ) ? void (0) : __assert_fail ("Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp) && \"Not an OpenMP directive!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 1993, __extension__ __PRETTY_FUNCTION__ )) |
1993 | "Not an OpenMP directive!")(static_cast <bool> (Tok.isOneOf(tok::annot_pragma_openmp , tok::annot_attr_openmp) && "Not an OpenMP directive!" ) ? void (0) : __assert_fail ("Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp) && \"Not an OpenMP directive!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 1993, __extension__ __PRETTY_FUNCTION__ )); |
1994 | ParsingOpenMPDirectiveRAII DirScope(*this); |
1995 | ParenBraceBracketBalancer BalancerRAIIObj(*this); |
1996 | |
1997 | SourceLocation Loc; |
1998 | OpenMPDirectiveKind DKind; |
1999 | if (Delayed) { |
2000 | TentativeParsingAction TPA(*this); |
2001 | Loc = ConsumeAnnotationToken(); |
2002 | DKind = parseOpenMPDirectiveKind(*this); |
2003 | if (DKind == OMPD_declare_reduction || DKind == OMPD_declare_mapper) { |
2004 | // Need to delay parsing until completion of the parent class. |
2005 | TPA.Revert(); |
2006 | CachedTokens Toks; |
2007 | unsigned Cnt = 1; |
2008 | Toks.push_back(Tok); |
2009 | while (Cnt && Tok.isNot(tok::eof)) { |
2010 | (void)ConsumeAnyToken(); |
2011 | if (Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp)) |
2012 | ++Cnt; |
2013 | else if (Tok.is(tok::annot_pragma_openmp_end)) |
2014 | --Cnt; |
2015 | Toks.push_back(Tok); |
2016 | } |
2017 | // Skip last annot_pragma_openmp_end. |
2018 | if (Cnt == 0) |
2019 | (void)ConsumeAnyToken(); |
2020 | auto *LP = new LateParsedPragma(this, AS); |
2021 | LP->takeToks(Toks); |
2022 | getCurrentClass().LateParsedDeclarations.push_back(LP); |
2023 | return nullptr; |
2024 | } |
2025 | TPA.Commit(); |
2026 | } else { |
2027 | Loc = ConsumeAnnotationToken(); |
2028 | DKind = parseOpenMPDirectiveKind(*this); |
2029 | } |
2030 | |
2031 | switch (DKind) { |
2032 | case OMPD_threadprivate: { |
2033 | ConsumeToken(); |
2034 | DeclDirectiveListParserHelper Helper(this, DKind); |
2035 | if (!ParseOpenMPSimpleVarList(DKind, Helper, |
2036 | /*AllowScopeSpecifier=*/true)) { |
2037 | skipUntilPragmaOpenMPEnd(DKind); |
2038 | // Skip the last annot_pragma_openmp_end. |
2039 | ConsumeAnnotationToken(); |
2040 | return Actions.ActOnOpenMPThreadprivateDirective(Loc, |
2041 | Helper.getIdentifiers()); |
2042 | } |
2043 | break; |
2044 | } |
2045 | case OMPD_allocate: { |
2046 | ConsumeToken(); |
2047 | DeclDirectiveListParserHelper Helper(this, DKind); |
2048 | if (!ParseOpenMPSimpleVarList(DKind, Helper, |
2049 | /*AllowScopeSpecifier=*/true)) { |
2050 | SmallVector<OMPClause *, 1> Clauses; |
2051 | if (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2052 | SmallVector<llvm::PointerIntPair<OMPClause *, 1, bool>, |
2053 | llvm::omp::Clause_enumSize + 1> |
2054 | FirstClauses(llvm::omp::Clause_enumSize + 1); |
2055 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2056 | OpenMPClauseKind CKind = |
2057 | Tok.isAnnotation() ? OMPC_unknown |
2058 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
2059 | Actions.StartOpenMPClause(CKind); |
2060 | OMPClause *Clause = ParseOpenMPClause( |
2061 | OMPD_allocate, CKind, !FirstClauses[unsigned(CKind)].getInt()); |
2062 | SkipUntil(tok::comma, tok::identifier, tok::annot_pragma_openmp_end, |
2063 | StopBeforeMatch); |
2064 | FirstClauses[unsigned(CKind)].setInt(true); |
2065 | if (Clause != nullptr) |
2066 | Clauses.push_back(Clause); |
2067 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
2068 | Actions.EndOpenMPClause(); |
2069 | break; |
2070 | } |
2071 | // Skip ',' if any. |
2072 | if (Tok.is(tok::comma)) |
2073 | ConsumeToken(); |
2074 | Actions.EndOpenMPClause(); |
2075 | } |
2076 | skipUntilPragmaOpenMPEnd(DKind); |
2077 | } |
2078 | // Skip the last annot_pragma_openmp_end. |
2079 | ConsumeAnnotationToken(); |
2080 | return Actions.ActOnOpenMPAllocateDirective(Loc, Helper.getIdentifiers(), |
2081 | Clauses); |
2082 | } |
2083 | break; |
2084 | } |
2085 | case OMPD_requires: { |
2086 | SourceLocation StartLoc = ConsumeToken(); |
2087 | SmallVector<OMPClause *, 5> Clauses; |
2088 | SmallVector<llvm::PointerIntPair<OMPClause *, 1, bool>, |
2089 | llvm::omp::Clause_enumSize + 1> |
2090 | FirstClauses(llvm::omp::Clause_enumSize + 1); |
2091 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
2092 | Diag(Tok, diag::err_omp_expected_clause) |
2093 | << getOpenMPDirectiveName(OMPD_requires); |
2094 | break; |
2095 | } |
2096 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2097 | OpenMPClauseKind CKind = Tok.isAnnotation() |
2098 | ? OMPC_unknown |
2099 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
2100 | Actions.StartOpenMPClause(CKind); |
2101 | OMPClause *Clause = ParseOpenMPClause( |
2102 | OMPD_requires, CKind, !FirstClauses[unsigned(CKind)].getInt()); |
2103 | SkipUntil(tok::comma, tok::identifier, tok::annot_pragma_openmp_end, |
2104 | StopBeforeMatch); |
2105 | FirstClauses[unsigned(CKind)].setInt(true); |
2106 | if (Clause != nullptr) |
2107 | Clauses.push_back(Clause); |
2108 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
2109 | Actions.EndOpenMPClause(); |
2110 | break; |
2111 | } |
2112 | // Skip ',' if any. |
2113 | if (Tok.is(tok::comma)) |
2114 | ConsumeToken(); |
2115 | Actions.EndOpenMPClause(); |
2116 | } |
2117 | // Consume final annot_pragma_openmp_end |
2118 | if (Clauses.empty()) { |
2119 | Diag(Tok, diag::err_omp_expected_clause) |
2120 | << getOpenMPDirectiveName(OMPD_requires); |
2121 | ConsumeAnnotationToken(); |
2122 | return nullptr; |
2123 | } |
2124 | ConsumeAnnotationToken(); |
2125 | return Actions.ActOnOpenMPRequiresDirective(StartLoc, Clauses); |
2126 | } |
2127 | case OMPD_assumes: |
2128 | case OMPD_begin_assumes: |
2129 | ParseOpenMPAssumesDirective(DKind, ConsumeToken()); |
2130 | break; |
2131 | case OMPD_end_assumes: |
2132 | ParseOpenMPEndAssumesDirective(ConsumeToken()); |
2133 | break; |
2134 | case OMPD_declare_reduction: |
2135 | ConsumeToken(); |
2136 | if (DeclGroupPtrTy Res = ParseOpenMPDeclareReductionDirective(AS)) { |
2137 | skipUntilPragmaOpenMPEnd(OMPD_declare_reduction); |
2138 | // Skip the last annot_pragma_openmp_end. |
2139 | ConsumeAnnotationToken(); |
2140 | return Res; |
2141 | } |
2142 | break; |
2143 | case OMPD_declare_mapper: { |
2144 | ConsumeToken(); |
2145 | if (DeclGroupPtrTy Res = ParseOpenMPDeclareMapperDirective(AS)) { |
2146 | // Skip the last annot_pragma_openmp_end. |
2147 | ConsumeAnnotationToken(); |
2148 | return Res; |
2149 | } |
2150 | break; |
2151 | } |
2152 | case OMPD_begin_declare_variant: { |
2153 | // The syntax is: |
2154 | // { #pragma omp begin declare variant clause } |
2155 | // <function-declaration-or-definition-sequence> |
2156 | // { #pragma omp end declare variant } |
2157 | // |
2158 | ConsumeToken(); |
2159 | OMPTraitInfo *ParentTI = Actions.getOMPTraitInfoForSurroundingScope(); |
2160 | ASTContext &ASTCtx = Actions.getASTContext(); |
2161 | OMPTraitInfo &TI = ASTCtx.getNewOMPTraitInfo(); |
2162 | if (parseOMPDeclareVariantMatchClause(Loc, TI, ParentTI)) { |
2163 | while (!SkipUntil(tok::annot_pragma_openmp_end, Parser::StopBeforeMatch)) |
2164 | ; |
2165 | // Skip the last annot_pragma_openmp_end. |
2166 | (void)ConsumeAnnotationToken(); |
2167 | break; |
2168 | } |
2169 | |
2170 | // Skip last tokens. |
2171 | skipUntilPragmaOpenMPEnd(OMPD_begin_declare_variant); |
2172 | |
2173 | ParsingOpenMPDirectiveRAII NormalScope(*this, /*Value=*/false); |
2174 | |
2175 | VariantMatchInfo VMI; |
2176 | TI.getAsVariantMatchInfo(ASTCtx, VMI); |
2177 | |
2178 | std::function<void(StringRef)> DiagUnknownTrait = |
2179 | [this, Loc](StringRef ISATrait) { |
2180 | // TODO Track the selector locations in a way that is accessible here |
2181 | // to improve the diagnostic location. |
2182 | Diag(Loc, diag::warn_unknown_declare_variant_isa_trait) << ISATrait; |
2183 | }; |
2184 | TargetOMPContext OMPCtx( |
2185 | ASTCtx, std::move(DiagUnknownTrait), |
2186 | /* CurrentFunctionDecl */ nullptr, |
2187 | /* ConstructTraits */ ArrayRef<llvm::omp::TraitProperty>()); |
2188 | |
2189 | if (isVariantApplicableInContext(VMI, OMPCtx, /* DeviceSetOnly */ true)) { |
2190 | Actions.ActOnOpenMPBeginDeclareVariant(Loc, TI); |
2191 | break; |
2192 | } |
2193 | |
2194 | // Elide all the code till the matching end declare variant was found. |
2195 | unsigned Nesting = 1; |
2196 | SourceLocation DKLoc; |
2197 | OpenMPDirectiveKind DK = OMPD_unknown; |
2198 | do { |
2199 | DKLoc = Tok.getLocation(); |
2200 | DK = parseOpenMPDirectiveKind(*this); |
2201 | if (DK == OMPD_end_declare_variant) |
2202 | --Nesting; |
2203 | else if (DK == OMPD_begin_declare_variant) |
2204 | ++Nesting; |
2205 | if (!Nesting || isEofOrEom()) |
2206 | break; |
2207 | ConsumeAnyToken(); |
2208 | } while (true); |
2209 | |
2210 | parseOMPEndDirective(OMPD_begin_declare_variant, OMPD_end_declare_variant, |
2211 | DK, Loc, DKLoc, /* SkipUntilOpenMPEnd */ true); |
2212 | if (isEofOrEom()) |
2213 | return nullptr; |
2214 | break; |
2215 | } |
2216 | case OMPD_end_declare_variant: { |
2217 | if (Actions.isInOpenMPDeclareVariantScope()) |
2218 | Actions.ActOnOpenMPEndDeclareVariant(); |
2219 | else |
2220 | Diag(Loc, diag::err_expected_begin_declare_variant); |
2221 | ConsumeToken(); |
2222 | break; |
2223 | } |
2224 | case OMPD_declare_variant: |
2225 | case OMPD_declare_simd: { |
2226 | // The syntax is: |
2227 | // { #pragma omp declare {simd|variant} } |
2228 | // <function-declaration-or-definition> |
2229 | // |
2230 | CachedTokens Toks; |
2231 | Toks.push_back(Tok); |
2232 | ConsumeToken(); |
2233 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2234 | Toks.push_back(Tok); |
2235 | ConsumeAnyToken(); |
2236 | } |
2237 | Toks.push_back(Tok); |
2238 | ConsumeAnyToken(); |
2239 | |
2240 | DeclGroupPtrTy Ptr; |
2241 | if (Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp)) { |
2242 | Ptr = ParseOpenMPDeclarativeDirectiveWithExtDecl(AS, Attrs, Delayed, |
2243 | TagType, Tag); |
2244 | } else if (Tok.isNot(tok::r_brace) && !isEofOrEom()) { |
2245 | // Here we expect to see some function declaration. |
2246 | if (AS == AS_none) { |
2247 | assert(TagType == DeclSpec::TST_unspecified)(static_cast <bool> (TagType == DeclSpec::TST_unspecified ) ? void (0) : __assert_fail ("TagType == DeclSpec::TST_unspecified" , "clang/lib/Parse/ParseOpenMP.cpp", 2247, __extension__ __PRETTY_FUNCTION__ )); |
2248 | MaybeParseCXX11Attributes(Attrs); |
2249 | ParsingDeclSpec PDS(*this); |
2250 | Ptr = ParseExternalDeclaration(Attrs, &PDS); |
2251 | } else { |
2252 | Ptr = |
2253 | ParseCXXClassMemberDeclarationWithPragmas(AS, Attrs, TagType, Tag); |
2254 | } |
2255 | } |
2256 | if (!Ptr) { |
2257 | Diag(Loc, diag::err_omp_decl_in_declare_simd_variant) |
2258 | << (DKind == OMPD_declare_simd ? 0 : 1); |
2259 | return DeclGroupPtrTy(); |
2260 | } |
2261 | if (DKind == OMPD_declare_simd) |
2262 | return ParseOMPDeclareSimdClauses(Ptr, Toks, Loc); |
2263 | assert(DKind == OMPD_declare_variant &&(static_cast <bool> (DKind == OMPD_declare_variant && "Expected declare variant directive only") ? void (0) : __assert_fail ("DKind == OMPD_declare_variant && \"Expected declare variant directive only\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2264, __extension__ __PRETTY_FUNCTION__ )) |
2264 | "Expected declare variant directive only")(static_cast <bool> (DKind == OMPD_declare_variant && "Expected declare variant directive only") ? void (0) : __assert_fail ("DKind == OMPD_declare_variant && \"Expected declare variant directive only\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2264, __extension__ __PRETTY_FUNCTION__ )); |
2265 | ParseOMPDeclareVariantClauses(Ptr, Toks, Loc); |
2266 | return Ptr; |
2267 | } |
2268 | case OMPD_begin_declare_target: |
2269 | case OMPD_declare_target: { |
2270 | SourceLocation DTLoc = ConsumeAnyToken(); |
2271 | bool HasClauses = Tok.isNot(tok::annot_pragma_openmp_end); |
2272 | Sema::DeclareTargetContextInfo DTCI(DKind, DTLoc); |
2273 | if (HasClauses) |
2274 | ParseOMPDeclareTargetClauses(DTCI); |
2275 | bool HasImplicitMappings = DKind == OMPD_begin_declare_target || |
2276 | !HasClauses || |
2277 | (DTCI.ExplicitlyMapped.empty() && DTCI.Indirect); |
2278 | |
2279 | // Skip the last annot_pragma_openmp_end. |
2280 | ConsumeAnyToken(); |
2281 | |
2282 | if (HasImplicitMappings) { |
2283 | Actions.ActOnStartOpenMPDeclareTargetContext(DTCI); |
2284 | return nullptr; |
2285 | } |
2286 | |
2287 | Actions.ActOnFinishedOpenMPDeclareTargetContext(DTCI); |
2288 | llvm::SmallVector<Decl *, 4> Decls; |
2289 | for (auto &It : DTCI.ExplicitlyMapped) |
2290 | Decls.push_back(It.first); |
2291 | return Actions.BuildDeclaratorGroup(Decls); |
2292 | } |
2293 | case OMPD_end_declare_target: { |
2294 | if (!Actions.isInOpenMPDeclareTargetContext()) { |
2295 | Diag(Tok, diag::err_omp_unexpected_directive) |
2296 | << 1 << getOpenMPDirectiveName(DKind); |
2297 | break; |
2298 | } |
2299 | const Sema::DeclareTargetContextInfo &DTCI = |
2300 | Actions.ActOnOpenMPEndDeclareTargetDirective(); |
2301 | ParseOMPEndDeclareTargetDirective(DTCI.Kind, DKind, DTCI.Loc); |
2302 | return nullptr; |
2303 | } |
2304 | case OMPD_unknown: |
2305 | Diag(Tok, diag::err_omp_unknown_directive); |
2306 | break; |
2307 | case OMPD_parallel: |
2308 | case OMPD_simd: |
2309 | case OMPD_tile: |
2310 | case OMPD_unroll: |
2311 | case OMPD_task: |
2312 | case OMPD_taskyield: |
2313 | case OMPD_error: |
2314 | case OMPD_barrier: |
2315 | case OMPD_taskwait: |
2316 | case OMPD_taskgroup: |
2317 | case OMPD_flush: |
2318 | case OMPD_depobj: |
2319 | case OMPD_scan: |
2320 | case OMPD_for: |
2321 | case OMPD_for_simd: |
2322 | case OMPD_sections: |
2323 | case OMPD_section: |
2324 | case OMPD_single: |
2325 | case OMPD_master: |
2326 | case OMPD_ordered: |
2327 | case OMPD_critical: |
2328 | case OMPD_parallel_for: |
2329 | case OMPD_parallel_for_simd: |
2330 | case OMPD_parallel_sections: |
2331 | case OMPD_parallel_master: |
2332 | case OMPD_parallel_masked: |
2333 | case OMPD_atomic: |
2334 | case OMPD_target: |
2335 | case OMPD_teams: |
2336 | case OMPD_cancellation_point: |
2337 | case OMPD_cancel: |
2338 | case OMPD_target_data: |
2339 | case OMPD_target_enter_data: |
2340 | case OMPD_target_exit_data: |
2341 | case OMPD_target_parallel: |
2342 | case OMPD_target_parallel_for: |
2343 | case OMPD_taskloop: |
2344 | case OMPD_taskloop_simd: |
2345 | case OMPD_master_taskloop: |
2346 | case OMPD_master_taskloop_simd: |
2347 | case OMPD_parallel_master_taskloop: |
2348 | case OMPD_parallel_master_taskloop_simd: |
2349 | case OMPD_masked_taskloop: |
2350 | case OMPD_masked_taskloop_simd: |
2351 | case OMPD_parallel_masked_taskloop: |
2352 | case OMPD_parallel_masked_taskloop_simd: |
2353 | case OMPD_distribute: |
2354 | case OMPD_target_update: |
2355 | case OMPD_distribute_parallel_for: |
2356 | case OMPD_distribute_parallel_for_simd: |
2357 | case OMPD_distribute_simd: |
2358 | case OMPD_target_parallel_for_simd: |
2359 | case OMPD_target_simd: |
2360 | case OMPD_teams_distribute: |
2361 | case OMPD_teams_distribute_simd: |
2362 | case OMPD_teams_distribute_parallel_for_simd: |
2363 | case OMPD_teams_distribute_parallel_for: |
2364 | case OMPD_target_teams: |
2365 | case OMPD_target_teams_distribute: |
2366 | case OMPD_target_teams_distribute_parallel_for: |
2367 | case OMPD_target_teams_distribute_parallel_for_simd: |
2368 | case OMPD_target_teams_distribute_simd: |
2369 | case OMPD_dispatch: |
2370 | case OMPD_masked: |
2371 | case OMPD_metadirective: |
2372 | case OMPD_loop: |
2373 | case OMPD_teams_loop: |
2374 | case OMPD_target_teams_loop: |
2375 | case OMPD_parallel_loop: |
2376 | case OMPD_target_parallel_loop: |
2377 | Diag(Tok, diag::err_omp_unexpected_directive) |
2378 | << 1 << getOpenMPDirectiveName(DKind); |
2379 | break; |
2380 | default: |
2381 | break; |
2382 | } |
2383 | while (Tok.isNot(tok::annot_pragma_openmp_end)) |
2384 | ConsumeAnyToken(); |
2385 | ConsumeAnyToken(); |
2386 | return nullptr; |
2387 | } |
2388 | |
2389 | /// Parsing of declarative or executable OpenMP directives. |
2390 | /// |
2391 | /// threadprivate-directive: |
2392 | /// annot_pragma_openmp 'threadprivate' simple-variable-list |
2393 | /// annot_pragma_openmp_end |
2394 | /// |
2395 | /// allocate-directive: |
2396 | /// annot_pragma_openmp 'allocate' simple-variable-list |
2397 | /// annot_pragma_openmp_end |
2398 | /// |
2399 | /// declare-reduction-directive: |
2400 | /// annot_pragma_openmp 'declare' 'reduction' '(' <reduction_id> ':' |
2401 | /// <type> {',' <type>} ':' <expression> ')' ['initializer' '(' |
2402 | /// ('omp_priv' '=' <expression>|<function_call>) ')'] |
2403 | /// annot_pragma_openmp_end |
2404 | /// |
2405 | /// declare-mapper-directive: |
2406 | /// annot_pragma_openmp 'declare' 'mapper' '(' [<mapper-identifer> ':'] |
2407 | /// <type> <var> ')' [<clause>[[,] <clause>] ... ] |
2408 | /// annot_pragma_openmp_end |
2409 | /// |
2410 | /// executable-directive: |
2411 | /// annot_pragma_openmp 'parallel' | 'simd' | 'for' | 'sections' | |
2412 | /// 'section' | 'single' | 'master' | 'critical' [ '(' <name> ')' ] | |
2413 | /// 'parallel for' | 'parallel sections' | 'parallel master' | 'task' | |
2414 | /// 'taskyield' | 'barrier' | 'taskwait' | 'flush' | 'ordered' | 'error' |
2415 | /// | 'atomic' | 'for simd' | 'parallel for simd' | 'target' | 'target |
2416 | /// data' | 'taskgroup' | 'teams' | 'taskloop' | 'taskloop simd' | |
2417 | /// 'master taskloop' | 'master taskloop simd' | 'parallel master |
2418 | /// taskloop' | 'parallel master taskloop simd' | 'distribute' | 'target |
2419 | /// enter data' | 'target exit data' | 'target parallel' | 'target |
2420 | /// parallel for' | 'target update' | 'distribute parallel for' | |
2421 | /// 'distribute paralle for simd' | 'distribute simd' | 'target parallel |
2422 | /// for simd' | 'target simd' | 'teams distribute' | 'teams distribute |
2423 | /// simd' | 'teams distribute parallel for simd' | 'teams distribute |
2424 | /// parallel for' | 'target teams' | 'target teams distribute' | 'target |
2425 | /// teams distribute parallel for' | 'target teams distribute parallel |
2426 | /// for simd' | 'target teams distribute simd' | 'masked' {clause} |
2427 | /// annot_pragma_openmp_end |
2428 | /// |
2429 | StmtResult Parser::ParseOpenMPDeclarativeOrExecutableDirective( |
2430 | ParsedStmtContext StmtCtx, bool ReadDirectiveWithinMetadirective) { |
2431 | if (!ReadDirectiveWithinMetadirective) |
2432 | assert(Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp) &&(static_cast <bool> (Tok.isOneOf(tok::annot_pragma_openmp , tok::annot_attr_openmp) && "Not an OpenMP directive!" ) ? void (0) : __assert_fail ("Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp) && \"Not an OpenMP directive!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2433, __extension__ __PRETTY_FUNCTION__ )) |
2433 | "Not an OpenMP directive!")(static_cast <bool> (Tok.isOneOf(tok::annot_pragma_openmp , tok::annot_attr_openmp) && "Not an OpenMP directive!" ) ? void (0) : __assert_fail ("Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp) && \"Not an OpenMP directive!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2433, __extension__ __PRETTY_FUNCTION__ )); |
2434 | ParsingOpenMPDirectiveRAII DirScope(*this); |
2435 | ParenBraceBracketBalancer BalancerRAIIObj(*this); |
2436 | SmallVector<OMPClause *, 5> Clauses; |
2437 | SmallVector<llvm::PointerIntPair<OMPClause *, 1, bool>, |
2438 | llvm::omp::Clause_enumSize + 1> |
2439 | FirstClauses(llvm::omp::Clause_enumSize + 1); |
2440 | unsigned ScopeFlags = Scope::FnScope | Scope::DeclScope | |
2441 | Scope::CompoundStmtScope | Scope::OpenMPDirectiveScope; |
2442 | SourceLocation Loc = ReadDirectiveWithinMetadirective |
2443 | ? Tok.getLocation() |
2444 | : ConsumeAnnotationToken(), |
2445 | EndLoc; |
2446 | OpenMPDirectiveKind DKind = parseOpenMPDirectiveKind(*this); |
2447 | if (ReadDirectiveWithinMetadirective && DKind == OMPD_unknown) { |
2448 | Diag(Tok, diag::err_omp_unknown_directive); |
2449 | return StmtError(); |
2450 | } |
2451 | OpenMPDirectiveKind CancelRegion = OMPD_unknown; |
2452 | // Name of critical directive. |
2453 | DeclarationNameInfo DirName; |
2454 | StmtResult Directive = StmtError(); |
2455 | bool HasAssociatedStatement = true; |
2456 | |
2457 | switch (DKind) { |
2458 | case OMPD_nothing: |
2459 | if ((StmtCtx & ParsedStmtContext::AllowStandaloneOpenMPDirectives) == |
2460 | ParsedStmtContext()) |
2461 | Diag(Tok, diag::err_omp_immediate_directive) |
2462 | << getOpenMPDirectiveName(DKind) << 0; |
2463 | ConsumeToken(); |
2464 | skipUntilPragmaOpenMPEnd(DKind); |
2465 | if (Tok.is(tok::annot_pragma_openmp_end)) |
2466 | ConsumeAnnotationToken(); |
2467 | break; |
2468 | case OMPD_metadirective: { |
2469 | ConsumeToken(); |
2470 | SmallVector<VariantMatchInfo, 4> VMIs; |
2471 | |
2472 | // First iteration of parsing all clauses of metadirective. |
2473 | // This iteration only parses and collects all context selector ignoring the |
2474 | // associated directives. |
2475 | TentativeParsingAction TPA(*this); |
2476 | ASTContext &ASTContext = Actions.getASTContext(); |
2477 | |
2478 | BalancedDelimiterTracker T(*this, tok::l_paren, |
2479 | tok::annot_pragma_openmp_end); |
2480 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2481 | OpenMPClauseKind CKind = Tok.isAnnotation() |
2482 | ? OMPC_unknown |
2483 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
2484 | SourceLocation Loc = ConsumeToken(); |
2485 | |
2486 | // Parse '('. |
2487 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
2488 | getOpenMPClauseName(CKind).data())) |
2489 | return Directive; |
2490 | |
2491 | OMPTraitInfo &TI = Actions.getASTContext().getNewOMPTraitInfo(); |
2492 | if (CKind == OMPC_when) { |
2493 | // parse and get OMPTraitInfo to pass to the When clause |
2494 | parseOMPContextSelectors(Loc, TI); |
2495 | if (TI.Sets.size() == 0) { |
2496 | Diag(Tok, diag::err_omp_expected_context_selector) << "when clause"; |
2497 | TPA.Commit(); |
2498 | return Directive; |
2499 | } |
2500 | |
2501 | // Parse ':' |
2502 | if (Tok.is(tok::colon)) |
2503 | ConsumeAnyToken(); |
2504 | else { |
2505 | Diag(Tok, diag::err_omp_expected_colon) << "when clause"; |
2506 | TPA.Commit(); |
2507 | return Directive; |
2508 | } |
2509 | } |
2510 | // Skip Directive for now. We will parse directive in the second iteration |
2511 | int paren = 0; |
2512 | while (Tok.isNot(tok::r_paren) || paren != 0) { |
2513 | if (Tok.is(tok::l_paren)) |
2514 | paren++; |
2515 | if (Tok.is(tok::r_paren)) |
2516 | paren--; |
2517 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
2518 | Diag(Tok, diag::err_omp_expected_punc) |
2519 | << getOpenMPClauseName(CKind) << 0; |
2520 | TPA.Commit(); |
2521 | return Directive; |
2522 | } |
2523 | ConsumeAnyToken(); |
2524 | } |
2525 | // Parse ')' |
2526 | if (Tok.is(tok::r_paren)) |
2527 | T.consumeClose(); |
2528 | |
2529 | VariantMatchInfo VMI; |
2530 | TI.getAsVariantMatchInfo(ASTContext, VMI); |
2531 | |
2532 | VMIs.push_back(VMI); |
2533 | } |
2534 | |
2535 | TPA.Revert(); |
2536 | // End of the first iteration. Parser is reset to the start of metadirective |
2537 | |
2538 | std::function<void(StringRef)> DiagUnknownTrait = |
2539 | [this, Loc](StringRef ISATrait) { |
2540 | // TODO Track the selector locations in a way that is accessible here |
2541 | // to improve the diagnostic location. |
2542 | Diag(Loc, diag::warn_unknown_declare_variant_isa_trait) << ISATrait; |
2543 | }; |
2544 | TargetOMPContext OMPCtx(ASTContext, std::move(DiagUnknownTrait), |
2545 | /* CurrentFunctionDecl */ nullptr, |
2546 | ArrayRef<llvm::omp::TraitProperty>()); |
2547 | |
2548 | // A single match is returned for OpenMP 5.0 |
2549 | int BestIdx = getBestVariantMatchForContext(VMIs, OMPCtx); |
2550 | |
2551 | int Idx = 0; |
2552 | // In OpenMP 5.0 metadirective is either replaced by another directive or |
2553 | // ignored. |
2554 | // TODO: In OpenMP 5.1 generate multiple directives based upon the matches |
2555 | // found by getBestWhenMatchForContext. |
2556 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2557 | // OpenMP 5.0 implementation - Skip to the best index found. |
2558 | if (Idx++ != BestIdx) { |
2559 | ConsumeToken(); // Consume clause name |
2560 | T.consumeOpen(); // Consume '(' |
2561 | int paren = 0; |
2562 | // Skip everything inside the clause |
2563 | while (Tok.isNot(tok::r_paren) || paren != 0) { |
2564 | if (Tok.is(tok::l_paren)) |
2565 | paren++; |
2566 | if (Tok.is(tok::r_paren)) |
2567 | paren--; |
2568 | ConsumeAnyToken(); |
2569 | } |
2570 | // Parse ')' |
2571 | if (Tok.is(tok::r_paren)) |
2572 | T.consumeClose(); |
2573 | continue; |
2574 | } |
2575 | |
2576 | OpenMPClauseKind CKind = Tok.isAnnotation() |
2577 | ? OMPC_unknown |
2578 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
2579 | SourceLocation Loc = ConsumeToken(); |
2580 | |
2581 | // Parse '('. |
2582 | T.consumeOpen(); |
2583 | |
2584 | // Skip ContextSelectors for when clause |
2585 | if (CKind == OMPC_when) { |
2586 | OMPTraitInfo &TI = Actions.getASTContext().getNewOMPTraitInfo(); |
2587 | // parse and skip the ContextSelectors |
2588 | parseOMPContextSelectors(Loc, TI); |
2589 | |
2590 | // Parse ':' |
2591 | ConsumeAnyToken(); |
2592 | } |
2593 | |
2594 | // If no directive is passed, skip in OpenMP 5.0. |
2595 | // TODO: Generate nothing directive from OpenMP 5.1. |
2596 | if (Tok.is(tok::r_paren)) { |
2597 | SkipUntil(tok::annot_pragma_openmp_end); |
2598 | break; |
2599 | } |
2600 | |
2601 | // Parse Directive |
2602 | Directive = ParseOpenMPDeclarativeOrExecutableDirective( |
2603 | StmtCtx, |
2604 | /*ReadDirectiveWithinMetadirective=*/true); |
2605 | break; |
2606 | } |
2607 | break; |
2608 | } |
2609 | case OMPD_threadprivate: { |
2610 | // FIXME: Should this be permitted in C++? |
2611 | if ((StmtCtx & ParsedStmtContext::AllowDeclarationsInC) == |
2612 | ParsedStmtContext()) { |
2613 | Diag(Tok, diag::err_omp_immediate_directive) |
2614 | << getOpenMPDirectiveName(DKind) << 0; |
2615 | } |
2616 | ConsumeToken(); |
2617 | DeclDirectiveListParserHelper Helper(this, DKind); |
2618 | if (!ParseOpenMPSimpleVarList(DKind, Helper, |
2619 | /*AllowScopeSpecifier=*/false)) { |
2620 | skipUntilPragmaOpenMPEnd(DKind); |
2621 | DeclGroupPtrTy Res = Actions.ActOnOpenMPThreadprivateDirective( |
2622 | Loc, Helper.getIdentifiers()); |
2623 | Directive = Actions.ActOnDeclStmt(Res, Loc, Tok.getLocation()); |
2624 | } |
2625 | SkipUntil(tok::annot_pragma_openmp_end); |
2626 | break; |
2627 | } |
2628 | case OMPD_allocate: { |
2629 | // FIXME: Should this be permitted in C++? |
2630 | if ((StmtCtx & ParsedStmtContext::AllowDeclarationsInC) == |
2631 | ParsedStmtContext()) { |
2632 | Diag(Tok, diag::err_omp_immediate_directive) |
2633 | << getOpenMPDirectiveName(DKind) << 0; |
2634 | } |
2635 | ConsumeToken(); |
2636 | DeclDirectiveListParserHelper Helper(this, DKind); |
2637 | if (!ParseOpenMPSimpleVarList(DKind, Helper, |
2638 | /*AllowScopeSpecifier=*/false)) { |
2639 | SmallVector<OMPClause *, 1> Clauses; |
2640 | if (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2641 | SmallVector<llvm::PointerIntPair<OMPClause *, 1, bool>, |
2642 | llvm::omp::Clause_enumSize + 1> |
2643 | FirstClauses(llvm::omp::Clause_enumSize + 1); |
2644 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2645 | OpenMPClauseKind CKind = |
2646 | Tok.isAnnotation() ? OMPC_unknown |
2647 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
2648 | Actions.StartOpenMPClause(CKind); |
2649 | OMPClause *Clause = ParseOpenMPClause( |
2650 | OMPD_allocate, CKind, !FirstClauses[unsigned(CKind)].getInt()); |
2651 | SkipUntil(tok::comma, tok::identifier, tok::annot_pragma_openmp_end, |
2652 | StopBeforeMatch); |
2653 | FirstClauses[unsigned(CKind)].setInt(true); |
2654 | if (Clause != nullptr) |
2655 | Clauses.push_back(Clause); |
2656 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
2657 | Actions.EndOpenMPClause(); |
2658 | break; |
2659 | } |
2660 | // Skip ',' if any. |
2661 | if (Tok.is(tok::comma)) |
2662 | ConsumeToken(); |
2663 | Actions.EndOpenMPClause(); |
2664 | } |
2665 | skipUntilPragmaOpenMPEnd(DKind); |
2666 | } |
2667 | DeclGroupPtrTy Res = Actions.ActOnOpenMPAllocateDirective( |
2668 | Loc, Helper.getIdentifiers(), Clauses); |
2669 | Directive = Actions.ActOnDeclStmt(Res, Loc, Tok.getLocation()); |
2670 | } |
2671 | SkipUntil(tok::annot_pragma_openmp_end); |
2672 | break; |
2673 | } |
2674 | case OMPD_declare_reduction: |
2675 | ConsumeToken(); |
2676 | if (DeclGroupPtrTy Res = |
2677 | ParseOpenMPDeclareReductionDirective(/*AS=*/AS_none)) { |
2678 | skipUntilPragmaOpenMPEnd(OMPD_declare_reduction); |
2679 | ConsumeAnyToken(); |
2680 | Directive = Actions.ActOnDeclStmt(Res, Loc, Tok.getLocation()); |
2681 | } else { |
2682 | SkipUntil(tok::annot_pragma_openmp_end); |
2683 | } |
2684 | break; |
2685 | case OMPD_declare_mapper: { |
2686 | ConsumeToken(); |
2687 | if (DeclGroupPtrTy Res = |
2688 | ParseOpenMPDeclareMapperDirective(/*AS=*/AS_none)) { |
2689 | // Skip the last annot_pragma_openmp_end. |
2690 | ConsumeAnnotationToken(); |
2691 | Directive = Actions.ActOnDeclStmt(Res, Loc, Tok.getLocation()); |
2692 | } else { |
2693 | SkipUntil(tok::annot_pragma_openmp_end); |
2694 | } |
2695 | break; |
2696 | } |
2697 | case OMPD_flush: |
2698 | case OMPD_depobj: |
2699 | case OMPD_scan: |
2700 | case OMPD_taskyield: |
2701 | case OMPD_error: |
2702 | case OMPD_barrier: |
2703 | case OMPD_taskwait: |
2704 | case OMPD_cancellation_point: |
2705 | case OMPD_cancel: |
2706 | case OMPD_target_enter_data: |
2707 | case OMPD_target_exit_data: |
2708 | case OMPD_target_update: |
2709 | case OMPD_interop: |
2710 | if ((StmtCtx & ParsedStmtContext::AllowStandaloneOpenMPDirectives) == |
2711 | ParsedStmtContext()) { |
2712 | Diag(Tok, diag::err_omp_immediate_directive) |
2713 | << getOpenMPDirectiveName(DKind) << 0; |
2714 | } |
2715 | HasAssociatedStatement = false; |
2716 | // Fall through for further analysis. |
2717 | [[fallthrough]]; |
2718 | case OMPD_parallel: |
2719 | case OMPD_simd: |
2720 | case OMPD_tile: |
2721 | case OMPD_unroll: |
2722 | case OMPD_for: |
2723 | case OMPD_for_simd: |
2724 | case OMPD_sections: |
2725 | case OMPD_single: |
2726 | case OMPD_section: |
2727 | case OMPD_master: |
2728 | case OMPD_critical: |
2729 | case OMPD_parallel_for: |
2730 | case OMPD_parallel_for_simd: |
2731 | case OMPD_parallel_sections: |
2732 | case OMPD_parallel_master: |
2733 | case OMPD_parallel_masked: |
2734 | case OMPD_task: |
2735 | case OMPD_ordered: |
2736 | case OMPD_atomic: |
2737 | case OMPD_target: |
2738 | case OMPD_teams: |
2739 | case OMPD_taskgroup: |
2740 | case OMPD_target_data: |
2741 | case OMPD_target_parallel: |
2742 | case OMPD_target_parallel_for: |
2743 | case OMPD_loop: |
2744 | case OMPD_teams_loop: |
2745 | case OMPD_target_teams_loop: |
2746 | case OMPD_parallel_loop: |
2747 | case OMPD_target_parallel_loop: |
2748 | case OMPD_taskloop: |
2749 | case OMPD_taskloop_simd: |
2750 | case OMPD_master_taskloop: |
2751 | case OMPD_masked_taskloop: |
2752 | case OMPD_master_taskloop_simd: |
2753 | case OMPD_masked_taskloop_simd: |
2754 | case OMPD_parallel_master_taskloop: |
2755 | case OMPD_parallel_masked_taskloop: |
2756 | case OMPD_parallel_master_taskloop_simd: |
2757 | case OMPD_parallel_masked_taskloop_simd: |
2758 | case OMPD_distribute: |
2759 | case OMPD_distribute_parallel_for: |
2760 | case OMPD_distribute_parallel_for_simd: |
2761 | case OMPD_distribute_simd: |
2762 | case OMPD_target_parallel_for_simd: |
2763 | case OMPD_target_simd: |
2764 | case OMPD_teams_distribute: |
2765 | case OMPD_teams_distribute_simd: |
2766 | case OMPD_teams_distribute_parallel_for_simd: |
2767 | case OMPD_teams_distribute_parallel_for: |
2768 | case OMPD_target_teams: |
2769 | case OMPD_target_teams_distribute: |
2770 | case OMPD_target_teams_distribute_parallel_for: |
2771 | case OMPD_target_teams_distribute_parallel_for_simd: |
2772 | case OMPD_target_teams_distribute_simd: |
2773 | case OMPD_dispatch: |
2774 | case OMPD_masked: { |
2775 | // Special processing for flush and depobj clauses. |
2776 | Token ImplicitTok; |
2777 | bool ImplicitClauseAllowed = false; |
2778 | if (DKind == OMPD_flush || DKind == OMPD_depobj) { |
2779 | ImplicitTok = Tok; |
2780 | ImplicitClauseAllowed = true; |
2781 | } |
2782 | ConsumeToken(); |
2783 | // Parse directive name of the 'critical' directive if any. |
2784 | if (DKind == OMPD_critical) { |
2785 | BalancedDelimiterTracker T(*this, tok::l_paren, |
2786 | tok::annot_pragma_openmp_end); |
2787 | if (!T.consumeOpen()) { |
2788 | if (Tok.isAnyIdentifier()) { |
2789 | DirName = |
2790 | DeclarationNameInfo(Tok.getIdentifierInfo(), Tok.getLocation()); |
2791 | ConsumeAnyToken(); |
2792 | } else { |
2793 | Diag(Tok, diag::err_omp_expected_identifier_for_critical); |
2794 | } |
2795 | T.consumeClose(); |
2796 | } |
2797 | } else if (DKind == OMPD_cancellation_point || DKind == OMPD_cancel) { |
2798 | CancelRegion = parseOpenMPDirectiveKind(*this); |
2799 | if (Tok.isNot(tok::annot_pragma_openmp_end)) |
2800 | ConsumeToken(); |
2801 | } |
2802 | |
2803 | if (isOpenMPLoopDirective(DKind)) |
2804 | ScopeFlags |= Scope::OpenMPLoopDirectiveScope; |
2805 | if (isOpenMPSimdDirective(DKind)) |
2806 | ScopeFlags |= Scope::OpenMPSimdDirectiveScope; |
2807 | ParseScope OMPDirectiveScope(this, ScopeFlags); |
2808 | Actions.StartOpenMPDSABlock(DKind, DirName, Actions.getCurScope(), Loc); |
2809 | |
2810 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2811 | // If we are parsing for a directive within a metadirective, the directive |
2812 | // ends with a ')'. |
2813 | if (ReadDirectiveWithinMetadirective && Tok.is(tok::r_paren)) { |
2814 | while (Tok.isNot(tok::annot_pragma_openmp_end)) |
2815 | ConsumeAnyToken(); |
2816 | break; |
2817 | } |
2818 | bool HasImplicitClause = false; |
2819 | if (ImplicitClauseAllowed && Tok.is(tok::l_paren)) { |
2820 | HasImplicitClause = true; |
2821 | // Push copy of the current token back to stream to properly parse |
2822 | // pseudo-clause OMPFlushClause or OMPDepobjClause. |
2823 | PP.EnterToken(Tok, /*IsReinject*/ true); |
2824 | PP.EnterToken(ImplicitTok, /*IsReinject*/ true); |
2825 | ConsumeAnyToken(); |
2826 | } |
2827 | OpenMPClauseKind CKind = Tok.isAnnotation() |
2828 | ? OMPC_unknown |
2829 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
2830 | if (HasImplicitClause) { |
2831 | assert(CKind == OMPC_unknown && "Must be unknown implicit clause.")(static_cast <bool> (CKind == OMPC_unknown && "Must be unknown implicit clause." ) ? void (0) : __assert_fail ("CKind == OMPC_unknown && \"Must be unknown implicit clause.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2831, __extension__ __PRETTY_FUNCTION__ )); |
2832 | if (DKind == OMPD_flush) { |
2833 | CKind = OMPC_flush; |
2834 | } else { |
2835 | assert(DKind == OMPD_depobj &&(static_cast <bool> (DKind == OMPD_depobj && "Expected flush or depobj directives." ) ? void (0) : __assert_fail ("DKind == OMPD_depobj && \"Expected flush or depobj directives.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2836, __extension__ __PRETTY_FUNCTION__ )) |
2836 | "Expected flush or depobj directives.")(static_cast <bool> (DKind == OMPD_depobj && "Expected flush or depobj directives." ) ? void (0) : __assert_fail ("DKind == OMPD_depobj && \"Expected flush or depobj directives.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2836, __extension__ __PRETTY_FUNCTION__ )); |
2837 | CKind = OMPC_depobj; |
2838 | } |
2839 | } |
2840 | // No more implicit clauses allowed. |
2841 | ImplicitClauseAllowed = false; |
2842 | Actions.StartOpenMPClause(CKind); |
2843 | HasImplicitClause = false; |
Value stored to 'HasImplicitClause' is never read | |
2844 | OMPClause *Clause = ParseOpenMPClause( |
2845 | DKind, CKind, !FirstClauses[unsigned(CKind)].getInt()); |
2846 | FirstClauses[unsigned(CKind)].setInt(true); |
2847 | if (Clause) { |
2848 | FirstClauses[unsigned(CKind)].setPointer(Clause); |
2849 | Clauses.push_back(Clause); |
2850 | } |
2851 | |
2852 | // Skip ',' if any. |
2853 | if (Tok.is(tok::comma)) |
2854 | ConsumeToken(); |
2855 | Actions.EndOpenMPClause(); |
2856 | } |
2857 | // End location of the directive. |
2858 | EndLoc = Tok.getLocation(); |
2859 | // Consume final annot_pragma_openmp_end. |
2860 | ConsumeAnnotationToken(); |
2861 | |
2862 | // OpenMP [2.13.8, ordered Construct, Syntax] |
2863 | // If the depend clause is specified, the ordered construct is a stand-alone |
2864 | // directive. |
2865 | if (DKind == OMPD_ordered && FirstClauses[unsigned(OMPC_depend)].getInt()) { |
2866 | if ((StmtCtx & ParsedStmtContext::AllowStandaloneOpenMPDirectives) == |
2867 | ParsedStmtContext()) { |
2868 | Diag(Loc, diag::err_omp_immediate_directive) |
2869 | << getOpenMPDirectiveName(DKind) << 1 |
2870 | << getOpenMPClauseName(OMPC_depend); |
2871 | } |
2872 | HasAssociatedStatement = false; |
2873 | } |
2874 | |
2875 | if (DKind == OMPD_tile && !FirstClauses[unsigned(OMPC_sizes)].getInt()) { |
2876 | Diag(Loc, diag::err_omp_required_clause) |
2877 | << getOpenMPDirectiveName(OMPD_tile) << "sizes"; |
2878 | } |
2879 | |
2880 | StmtResult AssociatedStmt; |
2881 | if (HasAssociatedStatement) { |
2882 | // The body is a block scope like in Lambdas and Blocks. |
2883 | Actions.ActOnOpenMPRegionStart(DKind, getCurScope()); |
2884 | // FIXME: We create a bogus CompoundStmt scope to hold the contents of |
2885 | // the captured region. Code elsewhere assumes that any FunctionScopeInfo |
2886 | // should have at least one compound statement scope within it. |
2887 | ParsingOpenMPDirectiveRAII NormalScope(*this, /*Value=*/false); |
2888 | { |
2889 | Sema::CompoundScopeRAII Scope(Actions); |
2890 | AssociatedStmt = ParseStatement(); |
2891 | |
2892 | if (AssociatedStmt.isUsable() && isOpenMPLoopDirective(DKind) && |
2893 | getLangOpts().OpenMPIRBuilder) |
2894 | AssociatedStmt = Actions.ActOnOpenMPLoopnest(AssociatedStmt.get()); |
2895 | } |
2896 | AssociatedStmt = Actions.ActOnOpenMPRegionEnd(AssociatedStmt, Clauses); |
2897 | } else if (DKind == OMPD_target_update || DKind == OMPD_target_enter_data || |
2898 | DKind == OMPD_target_exit_data) { |
2899 | Actions.ActOnOpenMPRegionStart(DKind, getCurScope()); |
2900 | AssociatedStmt = (Sema::CompoundScopeRAII(Actions), |
2901 | Actions.ActOnCompoundStmt(Loc, Loc, llvm::None, |
2902 | /*isStmtExpr=*/false)); |
2903 | AssociatedStmt = Actions.ActOnOpenMPRegionEnd(AssociatedStmt, Clauses); |
2904 | } |
2905 | Directive = Actions.ActOnOpenMPExecutableDirective( |
2906 | DKind, DirName, CancelRegion, Clauses, AssociatedStmt.get(), Loc, |
2907 | EndLoc); |
2908 | |
2909 | // Exit scope. |
2910 | Actions.EndOpenMPDSABlock(Directive.get()); |
2911 | OMPDirectiveScope.Exit(); |
2912 | break; |
2913 | } |
2914 | case OMPD_declare_simd: |
2915 | case OMPD_declare_target: |
2916 | case OMPD_begin_declare_target: |
2917 | case OMPD_end_declare_target: |
2918 | case OMPD_requires: |
2919 | case OMPD_begin_declare_variant: |
2920 | case OMPD_end_declare_variant: |
2921 | case OMPD_declare_variant: |
2922 | Diag(Tok, diag::err_omp_unexpected_directive) |
2923 | << 1 << getOpenMPDirectiveName(DKind); |
2924 | SkipUntil(tok::annot_pragma_openmp_end); |
2925 | break; |
2926 | case OMPD_unknown: |
2927 | default: |
2928 | Diag(Tok, diag::err_omp_unknown_directive); |
2929 | SkipUntil(tok::annot_pragma_openmp_end); |
2930 | break; |
2931 | } |
2932 | return Directive; |
2933 | } |
2934 | |
2935 | // Parses simple list: |
2936 | // simple-variable-list: |
2937 | // '(' id-expression {, id-expression} ')' |
2938 | // |
2939 | bool Parser::ParseOpenMPSimpleVarList( |
2940 | OpenMPDirectiveKind Kind, |
2941 | const llvm::function_ref<void(CXXScopeSpec &, DeclarationNameInfo)> |
2942 | &Callback, |
2943 | bool AllowScopeSpecifier) { |
2944 | // Parse '('. |
2945 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
2946 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
2947 | getOpenMPDirectiveName(Kind).data())) |
2948 | return true; |
2949 | bool IsCorrect = true; |
2950 | bool NoIdentIsFound = true; |
2951 | |
2952 | // Read tokens while ')' or annot_pragma_openmp_end is not found. |
2953 | while (Tok.isNot(tok::r_paren) && Tok.isNot(tok::annot_pragma_openmp_end)) { |
2954 | CXXScopeSpec SS; |
2955 | UnqualifiedId Name; |
2956 | // Read var name. |
2957 | Token PrevTok = Tok; |
2958 | NoIdentIsFound = false; |
2959 | |
2960 | if (AllowScopeSpecifier && getLangOpts().CPlusPlus && |
2961 | ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/nullptr, |
2962 | /*ObjectHasErrors=*/false, false)) { |
2963 | IsCorrect = false; |
2964 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
2965 | StopBeforeMatch); |
2966 | } else if (ParseUnqualifiedId(SS, /*ObjectType=*/nullptr, |
2967 | /*ObjectHadErrors=*/false, false, false, |
2968 | false, false, nullptr, Name)) { |
2969 | IsCorrect = false; |
2970 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
2971 | StopBeforeMatch); |
2972 | } else if (Tok.isNot(tok::comma) && Tok.isNot(tok::r_paren) && |
2973 | Tok.isNot(tok::annot_pragma_openmp_end)) { |
2974 | IsCorrect = false; |
2975 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
2976 | StopBeforeMatch); |
2977 | Diag(PrevTok.getLocation(), diag::err_expected) |
2978 | << tok::identifier |
2979 | << SourceRange(PrevTok.getLocation(), PrevTokLocation); |
2980 | } else { |
2981 | Callback(SS, Actions.GetNameFromUnqualifiedId(Name)); |
2982 | } |
2983 | // Consume ','. |
2984 | if (Tok.is(tok::comma)) { |
2985 | ConsumeToken(); |
2986 | } |
2987 | } |
2988 | |
2989 | if (NoIdentIsFound) { |
2990 | Diag(Tok, diag::err_expected) << tok::identifier; |
2991 | IsCorrect = false; |
2992 | } |
2993 | |
2994 | // Parse ')'. |
2995 | IsCorrect = !T.consumeClose() && IsCorrect; |
2996 | |
2997 | return !IsCorrect; |
2998 | } |
2999 | |
3000 | OMPClause *Parser::ParseOpenMPSizesClause() { |
3001 | SourceLocation ClauseNameLoc = ConsumeToken(); |
3002 | SmallVector<Expr *, 4> ValExprs; |
3003 | |
3004 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
3005 | if (T.consumeOpen()) { |
3006 | Diag(Tok, diag::err_expected) << tok::l_paren; |
3007 | return nullptr; |
3008 | } |
3009 | |
3010 | while (true) { |
3011 | ExprResult Val = ParseConstantExpression(); |
3012 | if (!Val.isUsable()) { |
3013 | T.skipToEnd(); |
3014 | return nullptr; |
3015 | } |
3016 | |
3017 | ValExprs.push_back(Val.get()); |
3018 | |
3019 | if (Tok.is(tok::r_paren) || Tok.is(tok::annot_pragma_openmp_end)) |
3020 | break; |
3021 | |
3022 | ExpectAndConsume(tok::comma); |
3023 | } |
3024 | |
3025 | T.consumeClose(); |
3026 | |
3027 | return Actions.ActOnOpenMPSizesClause( |
3028 | ValExprs, ClauseNameLoc, T.getOpenLocation(), T.getCloseLocation()); |
3029 | } |
3030 | |
3031 | OMPClause *Parser::ParseOpenMPUsesAllocatorClause(OpenMPDirectiveKind DKind) { |
3032 | SourceLocation Loc = Tok.getLocation(); |
3033 | ConsumeAnyToken(); |
3034 | |
3035 | // Parse '('. |
3036 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
3037 | if (T.expectAndConsume(diag::err_expected_lparen_after, "uses_allocator")) |
3038 | return nullptr; |
3039 | SmallVector<Sema::UsesAllocatorsData, 4> Data; |
3040 | do { |
3041 | ExprResult Allocator = |
3042 | getLangOpts().CPlusPlus ? ParseCXXIdExpression() : ParseExpression(); |
3043 | if (Allocator.isInvalid()) { |
3044 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
3045 | StopBeforeMatch); |
3046 | break; |
3047 | } |
3048 | Sema::UsesAllocatorsData &D = Data.emplace_back(); |
3049 | D.Allocator = Allocator.get(); |
3050 | if (Tok.is(tok::l_paren)) { |
3051 | BalancedDelimiterTracker T(*this, tok::l_paren, |
3052 | tok::annot_pragma_openmp_end); |
3053 | T.consumeOpen(); |
3054 | ExprResult AllocatorTraits = |
3055 | getLangOpts().CPlusPlus ? ParseCXXIdExpression() : ParseExpression(); |
3056 | T.consumeClose(); |
3057 | if (AllocatorTraits.isInvalid()) { |
3058 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
3059 | StopBeforeMatch); |
3060 | break; |
3061 | } |
3062 | D.AllocatorTraits = AllocatorTraits.get(); |
3063 | D.LParenLoc = T.getOpenLocation(); |
3064 | D.RParenLoc = T.getCloseLocation(); |
3065 | } |
3066 | if (Tok.isNot(tok::comma) && Tok.isNot(tok::r_paren)) |
3067 | Diag(Tok, diag::err_omp_expected_punc) << "uses_allocators" << 0; |
3068 | // Parse ',' |
3069 | if (Tok.is(tok::comma)) |
3070 | ConsumeAnyToken(); |
3071 | } while (Tok.isNot(tok::r_paren) && Tok.isNot(tok::annot_pragma_openmp_end)); |
3072 | T.consumeClose(); |
3073 | return Actions.ActOnOpenMPUsesAllocatorClause(Loc, T.getOpenLocation(), |
3074 | T.getCloseLocation(), Data); |
3075 | } |
3076 | |
3077 | /// Parsing of OpenMP clauses. |
3078 | /// |
3079 | /// clause: |
3080 | /// if-clause | final-clause | num_threads-clause | safelen-clause | |
3081 | /// default-clause | private-clause | firstprivate-clause | shared-clause |
3082 | /// | linear-clause | aligned-clause | collapse-clause | bind-clause | |
3083 | /// lastprivate-clause | reduction-clause | proc_bind-clause | |
3084 | /// schedule-clause | copyin-clause | copyprivate-clause | untied-clause | |
3085 | /// mergeable-clause | flush-clause | read-clause | write-clause | |
3086 | /// update-clause | capture-clause | seq_cst-clause | device-clause | |
3087 | /// simdlen-clause | threads-clause | simd-clause | num_teams-clause | |
3088 | /// thread_limit-clause | priority-clause | grainsize-clause | |
3089 | /// nogroup-clause | num_tasks-clause | hint-clause | to-clause | |
3090 | /// from-clause | is_device_ptr-clause | task_reduction-clause | |
3091 | /// in_reduction-clause | allocator-clause | allocate-clause | |
3092 | /// acq_rel-clause | acquire-clause | release-clause | relaxed-clause | |
3093 | /// depobj-clause | destroy-clause | detach-clause | inclusive-clause | |
3094 | /// exclusive-clause | uses_allocators-clause | use_device_addr-clause | |
3095 | /// has_device_addr |
3096 | /// |
3097 | OMPClause *Parser::ParseOpenMPClause(OpenMPDirectiveKind DKind, |
3098 | OpenMPClauseKind CKind, bool FirstClause) { |
3099 | OMPClauseKind = CKind; |
3100 | OMPClause *Clause = nullptr; |
3101 | bool ErrorFound = false; |
3102 | bool WrongDirective = false; |
3103 | // Check if clause is allowed for the given directive. |
3104 | if (CKind != OMPC_unknown && |
3105 | !isAllowedClauseForDirective(DKind, CKind, getLangOpts().OpenMP)) { |
3106 | Diag(Tok, diag::err_omp_unexpected_clause) |
3107 | << getOpenMPClauseName(CKind) << getOpenMPDirectiveName(DKind); |
3108 | ErrorFound = true; |
3109 | WrongDirective = true; |
3110 | } |
3111 | |
3112 | switch (CKind) { |
3113 | case OMPC_final: |
3114 | case OMPC_num_threads: |
3115 | case OMPC_safelen: |
3116 | case OMPC_simdlen: |
3117 | case OMPC_collapse: |
3118 | case OMPC_ordered: |
3119 | case OMPC_num_teams: |
3120 | case OMPC_thread_limit: |
3121 | case OMPC_priority: |
3122 | case OMPC_grainsize: |
3123 | case OMPC_num_tasks: |
3124 | case OMPC_hint: |
3125 | case OMPC_allocator: |
3126 | case OMPC_depobj: |
3127 | case OMPC_detach: |
3128 | case OMPC_novariants: |
3129 | case OMPC_nocontext: |
3130 | case OMPC_filter: |
3131 | case OMPC_partial: |
3132 | case OMPC_align: |
3133 | // OpenMP [2.5, Restrictions] |
3134 | // At most one num_threads clause can appear on the directive. |
3135 | // OpenMP [2.8.1, simd construct, Restrictions] |
3136 | // Only one safelen clause can appear on a simd directive. |
3137 | // Only one simdlen clause can appear on a simd directive. |
3138 | // Only one collapse clause can appear on a simd directive. |
3139 | // OpenMP [2.11.1, task Construct, Restrictions] |
3140 | // At most one if clause can appear on the directive. |
3141 | // At most one final clause can appear on the directive. |
3142 | // OpenMP [teams Construct, Restrictions] |
3143 | // At most one num_teams clause can appear on the directive. |
3144 | // At most one thread_limit clause can appear on the directive. |
3145 | // OpenMP [2.9.1, task Construct, Restrictions] |
3146 | // At most one priority clause can appear on the directive. |
3147 | // OpenMP [2.9.2, taskloop Construct, Restrictions] |
3148 | // At most one grainsize clause can appear on the directive. |
3149 | // OpenMP [2.9.2, taskloop Construct, Restrictions] |
3150 | // At most one num_tasks clause can appear on the directive. |
3151 | // OpenMP [2.11.3, allocate Directive, Restrictions] |
3152 | // At most one allocator clause can appear on the directive. |
3153 | // OpenMP 5.0, 2.10.1 task Construct, Restrictions. |
3154 | // At most one detach clause can appear on the directive. |
3155 | // OpenMP 5.1, 2.3.6 dispatch Construct, Restrictions. |
3156 | // At most one novariants clause can appear on a dispatch directive. |
3157 | // At most one nocontext clause can appear on a dispatch directive. |
3158 | if (!FirstClause) { |
3159 | Diag(Tok, diag::err_omp_more_one_clause) |
3160 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
3161 | ErrorFound = true; |
3162 | } |
3163 | |
3164 | if ((CKind == OMPC_ordered || CKind == OMPC_partial) && |
3165 | PP.LookAhead(/*N=*/0).isNot(tok::l_paren)) |
3166 | Clause = ParseOpenMPClause(CKind, WrongDirective); |
3167 | else |
3168 | Clause = ParseOpenMPSingleExprClause(CKind, WrongDirective); |
3169 | break; |
3170 | case OMPC_default: |
3171 | case OMPC_proc_bind: |
3172 | case OMPC_atomic_default_mem_order: |
3173 | case OMPC_order: |
3174 | case OMPC_bind: |
3175 | // OpenMP [2.14.3.1, Restrictions] |
3176 | // Only a single default clause may be specified on a parallel, task or |
3177 | // teams directive. |
3178 | // OpenMP [2.5, parallel Construct, Restrictions] |
3179 | // At most one proc_bind clause can appear on the directive. |
3180 | // OpenMP [5.0, Requires directive, Restrictions] |
3181 | // At most one atomic_default_mem_order clause can appear |
3182 | // on the directive |
3183 | // OpenMP 5.1, 2.11.7 loop Construct, Restrictions. |
3184 | // At most one bind clause can appear on a loop directive. |
3185 | if (!FirstClause && CKind != OMPC_order) { |
3186 | Diag(Tok, diag::err_omp_more_one_clause) |
3187 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
3188 | ErrorFound = true; |
3189 | } |
3190 | |
3191 | Clause = ParseOpenMPSimpleClause(CKind, WrongDirective); |
3192 | break; |
3193 | case OMPC_device: |
3194 | case OMPC_schedule: |
3195 | case OMPC_dist_schedule: |
3196 | case OMPC_defaultmap: |
3197 | // OpenMP [2.7.1, Restrictions, p. 3] |
3198 | // Only one schedule clause can appear on a loop directive. |
3199 | // OpenMP 4.5 [2.10.4, Restrictions, p. 106] |
3200 | // At most one defaultmap clause can appear on the directive. |
3201 | // OpenMP 5.0 [2.12.5, target construct, Restrictions] |
3202 | // At most one device clause can appear on the directive. |
3203 | if ((getLangOpts().OpenMP < 50 || CKind != OMPC_defaultmap) && |
3204 | !FirstClause) { |
3205 | Diag(Tok, diag::err_omp_more_one_clause) |
3206 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
3207 | ErrorFound = true; |
3208 | } |
3209 | [[fallthrough]]; |
3210 | case OMPC_if: |
3211 | Clause = ParseOpenMPSingleExprWithArgClause(DKind, CKind, WrongDirective); |
3212 | break; |
3213 | case OMPC_nowait: |
3214 | case OMPC_untied: |
3215 | case OMPC_mergeable: |
3216 | case OMPC_read: |
3217 | case OMPC_write: |
3218 | case OMPC_capture: |
3219 | case OMPC_compare: |
3220 | case OMPC_seq_cst: |
3221 | case OMPC_acq_rel: |
3222 | case OMPC_acquire: |
3223 | case OMPC_release: |
3224 | case OMPC_relaxed: |
3225 | case OMPC_threads: |
3226 | case OMPC_simd: |
3227 | case OMPC_nogroup: |
3228 | case OMPC_unified_address: |
3229 | case OMPC_unified_shared_memory: |
3230 | case OMPC_reverse_offload: |
3231 | case OMPC_dynamic_allocators: |
3232 | case OMPC_full: |
3233 | // OpenMP [2.7.1, Restrictions, p. 9] |
3234 | // Only one ordered clause can appear on a loop directive. |
3235 | // OpenMP [2.7.1, Restrictions, C/C++, p. 4] |
3236 | // Only one nowait clause can appear on a for directive. |
3237 | // OpenMP [5.0, Requires directive, Restrictions] |
3238 | // Each of the requires clauses can appear at most once on the directive. |
3239 | if (!FirstClause) { |
3240 | Diag(Tok, diag::err_omp_more_one_clause) |
3241 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
3242 | ErrorFound = true; |
3243 | } |
3244 | |
3245 | Clause = ParseOpenMPClause(CKind, WrongDirective); |
3246 | break; |
3247 | case OMPC_update: |
3248 | if (!FirstClause) { |
3249 | Diag(Tok, diag::err_omp_more_one_clause) |
3250 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
3251 | ErrorFound = true; |
3252 | } |
3253 | |
3254 | Clause = (DKind == OMPD_depobj) |
3255 | ? ParseOpenMPSimpleClause(CKind, WrongDirective) |
3256 | : ParseOpenMPClause(CKind, WrongDirective); |
3257 | break; |
3258 | case OMPC_private: |
3259 | case OMPC_firstprivate: |
3260 | case OMPC_lastprivate: |
3261 | case OMPC_shared: |
3262 | case OMPC_reduction: |
3263 | case OMPC_task_reduction: |
3264 | case OMPC_in_reduction: |
3265 | case OMPC_linear: |
3266 | case OMPC_aligned: |
3267 | case OMPC_copyin: |
3268 | case OMPC_copyprivate: |
3269 | case OMPC_flush: |
3270 | case OMPC_depend: |
3271 | case OMPC_map: |
3272 | case OMPC_to: |
3273 | case OMPC_from: |
3274 | case OMPC_use_device_ptr: |
3275 | case OMPC_use_device_addr: |
3276 | case OMPC_is_device_ptr: |
3277 | case OMPC_has_device_addr: |
3278 | case OMPC_allocate: |
3279 | case OMPC_nontemporal: |
3280 | case OMPC_inclusive: |
3281 | case OMPC_exclusive: |
3282 | case OMPC_affinity: |
3283 | Clause = ParseOpenMPVarListClause(DKind, CKind, WrongDirective); |
3284 | break; |
3285 | case OMPC_sizes: |
3286 | if (!FirstClause) { |
3287 | Diag(Tok, diag::err_omp_more_one_clause) |
3288 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
3289 | ErrorFound = true; |
3290 | } |
3291 | |
3292 | Clause = ParseOpenMPSizesClause(); |
3293 | break; |
3294 | case OMPC_uses_allocators: |
3295 | Clause = ParseOpenMPUsesAllocatorClause(DKind); |
3296 | break; |
3297 | case OMPC_destroy: |
3298 | if (DKind != OMPD_interop) { |
3299 | if (!FirstClause) { |
3300 | Diag(Tok, diag::err_omp_more_one_clause) |
3301 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
3302 | ErrorFound = true; |
3303 | } |
3304 | Clause = ParseOpenMPClause(CKind, WrongDirective); |
3305 | break; |
3306 | } |
3307 | [[fallthrough]]; |
3308 | case OMPC_init: |
3309 | case OMPC_use: |
3310 | Clause = ParseOpenMPInteropClause(CKind, WrongDirective); |
3311 | break; |
3312 | case OMPC_device_type: |
3313 | case OMPC_unknown: |
3314 | skipUntilPragmaOpenMPEnd(DKind); |
3315 | break; |
3316 | case OMPC_threadprivate: |
3317 | case OMPC_uniform: |
3318 | case OMPC_match: |
3319 | if (!WrongDirective) |
3320 | Diag(Tok, diag::err_omp_unexpected_clause) |
3321 | << getOpenMPClauseName(CKind) << getOpenMPDirectiveName(DKind); |
3322 | SkipUntil(tok::comma, tok::annot_pragma_openmp_end, StopBeforeMatch); |
3323 | break; |
3324 | default: |
3325 | break; |
3326 | } |
3327 | return ErrorFound ? nullptr : Clause; |
3328 | } |
3329 | |
3330 | /// Parses simple expression in parens for single-expression clauses of OpenMP |
3331 | /// constructs. |
3332 | /// \param RLoc Returned location of right paren. |
3333 | ExprResult Parser::ParseOpenMPParensExpr(StringRef ClauseName, |
3334 | SourceLocation &RLoc, |
3335 | bool IsAddressOfOperand) { |
3336 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
3337 | if (T.expectAndConsume(diag::err_expected_lparen_after, ClauseName.data())) |
3338 | return ExprError(); |
3339 | |
3340 | SourceLocation ELoc = Tok.getLocation(); |
3341 | ExprResult LHS( |
3342 | ParseCastExpression(AnyCastExpr, IsAddressOfOperand, NotTypeCast)); |
3343 | ExprResult Val(ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
3344 | Val = Actions.ActOnFinishFullExpr(Val.get(), ELoc, /*DiscardedValue*/ false); |
3345 | |
3346 | // Parse ')'. |
3347 | RLoc = Tok.getLocation(); |
3348 | if (!T.consumeClose()) |
3349 | RLoc = T.getCloseLocation(); |
3350 | |
3351 | return Val; |
3352 | } |
3353 | |
3354 | /// Parsing of OpenMP clauses with single expressions like 'final', |
3355 | /// 'collapse', 'safelen', 'num_threads', 'simdlen', 'num_teams', |
3356 | /// 'thread_limit', 'simdlen', 'priority', 'grainsize', 'num_tasks', 'hint' or |
3357 | /// 'detach'. |
3358 | /// |
3359 | /// final-clause: |
3360 | /// 'final' '(' expression ')' |
3361 | /// |
3362 | /// num_threads-clause: |
3363 | /// 'num_threads' '(' expression ')' |
3364 | /// |
3365 | /// safelen-clause: |
3366 | /// 'safelen' '(' expression ')' |
3367 | /// |
3368 | /// simdlen-clause: |
3369 | /// 'simdlen' '(' expression ')' |
3370 | /// |
3371 | /// collapse-clause: |
3372 | /// 'collapse' '(' expression ')' |
3373 | /// |
3374 | /// priority-clause: |
3375 | /// 'priority' '(' expression ')' |
3376 | /// |
3377 | /// grainsize-clause: |
3378 | /// 'grainsize' '(' expression ')' |
3379 | /// |
3380 | /// num_tasks-clause: |
3381 | /// 'num_tasks' '(' expression ')' |
3382 | /// |
3383 | /// hint-clause: |
3384 | /// 'hint' '(' expression ')' |
3385 | /// |
3386 | /// allocator-clause: |
3387 | /// 'allocator' '(' expression ')' |
3388 | /// |
3389 | /// detach-clause: |
3390 | /// 'detach' '(' event-handler-expression ')' |
3391 | /// |
3392 | /// align-clause |
3393 | /// 'align' '(' positive-integer-constant ')' |
3394 | /// |
3395 | OMPClause *Parser::ParseOpenMPSingleExprClause(OpenMPClauseKind Kind, |
3396 | bool ParseOnly) { |
3397 | SourceLocation Loc = ConsumeToken(); |
3398 | SourceLocation LLoc = Tok.getLocation(); |
3399 | SourceLocation RLoc; |
3400 | |
3401 | ExprResult Val = ParseOpenMPParensExpr(getOpenMPClauseName(Kind), RLoc); |
3402 | |
3403 | if (Val.isInvalid()) |
3404 | return nullptr; |
3405 | |
3406 | if (ParseOnly) |
3407 | return nullptr; |
3408 | return Actions.ActOnOpenMPSingleExprClause(Kind, Val.get(), Loc, LLoc, RLoc); |
3409 | } |
3410 | |
3411 | /// Parse indirect clause for '#pragma omp declare target' directive. |
3412 | /// 'indirect' '[' '(' invoked-by-fptr ')' ']' |
3413 | /// where invoked-by-fptr is a constant boolean expression that evaluates to |
3414 | /// true or false at compile time. |
3415 | bool Parser::ParseOpenMPIndirectClause(Sema::DeclareTargetContextInfo &DTCI, |
3416 | bool ParseOnly) { |
3417 | SourceLocation Loc = ConsumeToken(); |
3418 | SourceLocation RLoc; |
3419 | |
3420 | if (Tok.isNot(tok::l_paren)) { |
3421 | if (ParseOnly) |
3422 | return false; |
3423 | DTCI.Indirect = nullptr; |
3424 | return true; |
3425 | } |
3426 | |
3427 | ExprResult Val = |
3428 | ParseOpenMPParensExpr(getOpenMPClauseName(OMPC_indirect), RLoc); |
3429 | if (Val.isInvalid()) |
3430 | return false; |
3431 | |
3432 | if (ParseOnly) |
3433 | return false; |
3434 | |
3435 | if (!Val.get()->isValueDependent() && !Val.get()->isTypeDependent() && |
3436 | !Val.get()->isInstantiationDependent() && |
3437 | !Val.get()->containsUnexpandedParameterPack()) { |
3438 | ExprResult Ret = Actions.CheckBooleanCondition(Loc, Val.get()); |
3439 | if (Ret.isInvalid()) |
3440 | return false; |
3441 | llvm::APSInt Result; |
3442 | Ret = Actions.VerifyIntegerConstantExpression(Val.get(), &Result, |
3443 | Sema::AllowFold); |
3444 | if (Ret.isInvalid()) |
3445 | return false; |
3446 | DTCI.Indirect = Val.get(); |
3447 | return true; |
3448 | } |
3449 | return false; |
3450 | } |
3451 | |
3452 | /// Parses a comma-separated list of interop-types and a prefer_type list. |
3453 | /// |
3454 | bool Parser::ParseOMPInteropInfo(OMPInteropInfo &InteropInfo, |
3455 | OpenMPClauseKind Kind) { |
3456 | const Token &Tok = getCurToken(); |
3457 | bool HasError = false; |
3458 | bool IsTarget = false; |
3459 | bool IsTargetSync = false; |
3460 | |
3461 | while (Tok.is(tok::identifier)) { |
3462 | // Currently prefer_type is only allowed with 'init' and it must be first. |
3463 | bool PreferTypeAllowed = Kind == OMPC_init && |
3464 | InteropInfo.PreferTypes.empty() && !IsTarget && |
3465 | !IsTargetSync; |
3466 | if (Tok.getIdentifierInfo()->isStr("target")) { |
3467 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] |
3468 | // Each interop-type may be specified on an action-clause at most |
3469 | // once. |
3470 | if (IsTarget) |
3471 | Diag(Tok, diag::warn_omp_more_one_interop_type) << "target"; |
3472 | IsTarget = true; |
3473 | ConsumeToken(); |
3474 | } else if (Tok.getIdentifierInfo()->isStr("targetsync")) { |
3475 | if (IsTargetSync) |
3476 | Diag(Tok, diag::warn_omp_more_one_interop_type) << "targetsync"; |
3477 | IsTargetSync = true; |
3478 | ConsumeToken(); |
3479 | } else if (Tok.getIdentifierInfo()->isStr("prefer_type") && |
3480 | PreferTypeAllowed) { |
3481 | ConsumeToken(); |
3482 | BalancedDelimiterTracker PT(*this, tok::l_paren, |
3483 | tok::annot_pragma_openmp_end); |
3484 | if (PT.expectAndConsume(diag::err_expected_lparen_after, "prefer_type")) |
3485 | HasError = true; |
3486 | |
3487 | while (Tok.isNot(tok::r_paren)) { |
3488 | SourceLocation Loc = Tok.getLocation(); |
3489 | ExprResult LHS = ParseCastExpression(AnyCastExpr); |
3490 | ExprResult PTExpr = Actions.CorrectDelayedTyposInExpr( |
3491 | ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
3492 | PTExpr = Actions.ActOnFinishFullExpr(PTExpr.get(), Loc, |
3493 | /*DiscardedValue=*/false); |
3494 | if (PTExpr.isUsable()) { |
3495 | InteropInfo.PreferTypes.push_back(PTExpr.get()); |
3496 | } else { |
3497 | HasError = true; |
3498 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
3499 | StopBeforeMatch); |
3500 | } |
3501 | |
3502 | if (Tok.is(tok::comma)) |
3503 | ConsumeToken(); |
3504 | } |
3505 | PT.consumeClose(); |
3506 | } else { |
3507 | HasError = true; |
3508 | Diag(Tok, diag::err_omp_expected_interop_type); |
3509 | ConsumeToken(); |
3510 | } |
3511 | if (!Tok.is(tok::comma)) |
3512 | break; |
3513 | ConsumeToken(); |
3514 | } |
3515 | |
3516 | if (!HasError && !IsTarget && !IsTargetSync) { |
3517 | Diag(Tok, diag::err_omp_expected_interop_type); |
3518 | HasError = true; |
3519 | } |
3520 | |
3521 | if (Kind == OMPC_init) { |
3522 | if (Tok.isNot(tok::colon) && (IsTarget || IsTargetSync)) |
3523 | Diag(Tok, diag::warn_pragma_expected_colon) << "interop types"; |
3524 | if (Tok.is(tok::colon)) |
3525 | ConsumeToken(); |
3526 | } |
3527 | |
3528 | // As of OpenMP 5.1,there are two interop-types, "target" and |
3529 | // "targetsync". Either or both are allowed for a single interop. |
3530 | InteropInfo.IsTarget = IsTarget; |
3531 | InteropInfo.IsTargetSync = IsTargetSync; |
3532 | |
3533 | return HasError; |
3534 | } |
3535 | |
3536 | /// Parsing of OpenMP clauses that use an interop-var. |
3537 | /// |
3538 | /// init-clause: |
3539 | /// init([interop-modifier, ]interop-type[[, interop-type] ... ]:interop-var) |
3540 | /// |
3541 | /// destroy-clause: |
3542 | /// destroy(interop-var) |
3543 | /// |
3544 | /// use-clause: |
3545 | /// use(interop-var) |
3546 | /// |
3547 | /// interop-modifier: |
3548 | /// prefer_type(preference-list) |
3549 | /// |
3550 | /// preference-list: |
3551 | /// foreign-runtime-id [, foreign-runtime-id]... |
3552 | /// |
3553 | /// foreign-runtime-id: |
3554 | /// <string-literal> | <constant-integral-expression> |
3555 | /// |
3556 | /// interop-type: |
3557 | /// target | targetsync |
3558 | /// |
3559 | OMPClause *Parser::ParseOpenMPInteropClause(OpenMPClauseKind Kind, |
3560 | bool ParseOnly) { |
3561 | SourceLocation Loc = ConsumeToken(); |
3562 | // Parse '('. |
3563 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
3564 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
3565 | getOpenMPClauseName(Kind).data())) |
3566 | return nullptr; |
3567 | |
3568 | bool InteropError = false; |
3569 | OMPInteropInfo InteropInfo; |
3570 | if (Kind == OMPC_init) |
3571 | InteropError = ParseOMPInteropInfo(InteropInfo, OMPC_init); |
3572 | |
3573 | // Parse the variable. |
3574 | SourceLocation VarLoc = Tok.getLocation(); |
3575 | ExprResult InteropVarExpr = |
3576 | Actions.CorrectDelayedTyposInExpr(ParseAssignmentExpression()); |
3577 | if (!InteropVarExpr.isUsable()) { |
3578 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
3579 | StopBeforeMatch); |
3580 | } |
3581 | |
3582 | // Parse ')'. |
3583 | SourceLocation RLoc = Tok.getLocation(); |
3584 | if (!T.consumeClose()) |
3585 | RLoc = T.getCloseLocation(); |
3586 | |
3587 | if (ParseOnly || !InteropVarExpr.isUsable() || InteropError) |
3588 | return nullptr; |
3589 | |
3590 | if (Kind == OMPC_init) |
3591 | return Actions.ActOnOpenMPInitClause(InteropVarExpr.get(), InteropInfo, Loc, |
3592 | T.getOpenLocation(), VarLoc, RLoc); |
3593 | if (Kind == OMPC_use) |
3594 | return Actions.ActOnOpenMPUseClause(InteropVarExpr.get(), Loc, |
3595 | T.getOpenLocation(), VarLoc, RLoc); |
3596 | |
3597 | if (Kind == OMPC_destroy) |
3598 | return Actions.ActOnOpenMPDestroyClause(InteropVarExpr.get(), Loc, |
3599 | T.getOpenLocation(), VarLoc, RLoc); |
3600 | |
3601 | llvm_unreachable("Unexpected interop variable clause.")::llvm::llvm_unreachable_internal("Unexpected interop variable clause." , "clang/lib/Parse/ParseOpenMP.cpp", 3601); |
3602 | } |
3603 | |
3604 | /// Parsing of simple OpenMP clauses like 'default' or 'proc_bind'. |
3605 | /// |
3606 | /// default-clause: |
3607 | /// 'default' '(' 'none' | 'shared' | 'private' | 'firstprivate' ')' |
3608 | /// |
3609 | /// proc_bind-clause: |
3610 | /// 'proc_bind' '(' 'master' | 'close' | 'spread' ')' |
3611 | /// |
3612 | /// bind-clause: |
3613 | /// 'bind' '(' 'teams' | 'parallel' | 'thread' ')' |
3614 | /// |
3615 | /// update-clause: |
3616 | /// 'update' '(' 'in' | 'out' | 'inout' | 'mutexinoutset' | |
3617 | /// 'inoutset' ')' |
3618 | /// |
3619 | OMPClause *Parser::ParseOpenMPSimpleClause(OpenMPClauseKind Kind, |
3620 | bool ParseOnly) { |
3621 | llvm::Optional<SimpleClauseData> Val = parseOpenMPSimpleClause(*this, Kind); |
3622 | if (!Val || ParseOnly) |
3623 | return nullptr; |
3624 | if (getLangOpts().OpenMP < 51 && Kind == OMPC_default && |
3625 | (static_cast<DefaultKind>(Val.value().Type) == OMP_DEFAULT_private || |
3626 | static_cast<DefaultKind>(Val.value().Type) == |
3627 | OMP_DEFAULT_firstprivate)) { |
3628 | Diag(Val.value().LOpen, diag::err_omp_invalid_dsa) |
3629 | << getOpenMPClauseName(static_cast<DefaultKind>(Val.value().Type) == |
3630 | OMP_DEFAULT_private |
3631 | ? OMPC_private |
3632 | : OMPC_firstprivate) |
3633 | << getOpenMPClauseName(OMPC_default) << "5.1"; |
3634 | return nullptr; |
3635 | } |
3636 | return Actions.ActOnOpenMPSimpleClause(Kind, Val.value().Type, |
3637 | Val.value().TypeLoc, Val.value().LOpen, |
3638 | Val.value().Loc, Val.value().RLoc); |
3639 | } |
3640 | |
3641 | /// Parsing of OpenMP clauses like 'ordered'. |
3642 | /// |
3643 | /// ordered-clause: |
3644 | /// 'ordered' |
3645 | /// |
3646 | /// nowait-clause: |
3647 | /// 'nowait' |
3648 | /// |
3649 | /// untied-clause: |
3650 | /// 'untied' |
3651 | /// |
3652 | /// mergeable-clause: |
3653 | /// 'mergeable' |
3654 | /// |
3655 | /// read-clause: |
3656 | /// 'read' |
3657 | /// |
3658 | /// threads-clause: |
3659 | /// 'threads' |
3660 | /// |
3661 | /// simd-clause: |
3662 | /// 'simd' |
3663 | /// |
3664 | /// nogroup-clause: |
3665 | /// 'nogroup' |
3666 | /// |
3667 | OMPClause *Parser::ParseOpenMPClause(OpenMPClauseKind Kind, bool ParseOnly) { |
3668 | SourceLocation Loc = Tok.getLocation(); |
3669 | ConsumeAnyToken(); |
3670 | |
3671 | if (ParseOnly) |
3672 | return nullptr; |
3673 | return Actions.ActOnOpenMPClause(Kind, Loc, Tok.getLocation()); |
3674 | } |
3675 | |
3676 | /// Parsing of OpenMP clauses with single expressions and some additional |
3677 | /// argument like 'schedule' or 'dist_schedule'. |
3678 | /// |
3679 | /// schedule-clause: |
3680 | /// 'schedule' '(' [ modifier [ ',' modifier ] ':' ] kind [',' expression ] |
3681 | /// ')' |
3682 | /// |
3683 | /// if-clause: |
3684 | /// 'if' '(' [ directive-name-modifier ':' ] expression ')' |
3685 | /// |
3686 | /// defaultmap: |
3687 | /// 'defaultmap' '(' modifier [ ':' kind ] ')' |
3688 | /// |
3689 | /// device-clause: |
3690 | /// 'device' '(' [ device-modifier ':' ] expression ')' |
3691 | /// |
3692 | OMPClause *Parser::ParseOpenMPSingleExprWithArgClause(OpenMPDirectiveKind DKind, |
3693 | OpenMPClauseKind Kind, |
3694 | bool ParseOnly) { |
3695 | SourceLocation Loc = ConsumeToken(); |
3696 | SourceLocation DelimLoc; |
3697 | // Parse '('. |
3698 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
3699 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
3700 | getOpenMPClauseName(Kind).data())) |
3701 | return nullptr; |
3702 | |
3703 | ExprResult Val; |
3704 | SmallVector<unsigned, 4> Arg; |
3705 | SmallVector<SourceLocation, 4> KLoc; |
3706 | if (Kind == OMPC_schedule) { |
3707 | enum { Modifier1, Modifier2, ScheduleKind, NumberOfElements }; |
3708 | Arg.resize(NumberOfElements); |
3709 | KLoc.resize(NumberOfElements); |
3710 | Arg[Modifier1] = OMPC_SCHEDULE_MODIFIER_unknown; |
3711 | Arg[Modifier2] = OMPC_SCHEDULE_MODIFIER_unknown; |
3712 | Arg[ScheduleKind] = OMPC_SCHEDULE_unknown; |
3713 | unsigned KindModifier = getOpenMPSimpleClauseType( |
3714 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts()); |
3715 | if (KindModifier > OMPC_SCHEDULE_unknown) { |
3716 | // Parse 'modifier' |
3717 | Arg[Modifier1] = KindModifier; |
3718 | KLoc[Modifier1] = Tok.getLocation(); |
3719 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3720 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3721 | ConsumeAnyToken(); |
3722 | if (Tok.is(tok::comma)) { |
3723 | // Parse ',' 'modifier' |
3724 | ConsumeAnyToken(); |
3725 | KindModifier = getOpenMPSimpleClauseType( |
3726 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts()); |
3727 | Arg[Modifier2] = KindModifier > OMPC_SCHEDULE_unknown |
3728 | ? KindModifier |
3729 | : (unsigned)OMPC_SCHEDULE_unknown; |
3730 | KLoc[Modifier2] = Tok.getLocation(); |
3731 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3732 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3733 | ConsumeAnyToken(); |
3734 | } |
3735 | // Parse ':' |
3736 | if (Tok.is(tok::colon)) |
3737 | ConsumeAnyToken(); |
3738 | else |
3739 | Diag(Tok, diag::warn_pragma_expected_colon) << "schedule modifier"; |
3740 | KindModifier = getOpenMPSimpleClauseType( |
3741 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts()); |
3742 | } |
3743 | Arg[ScheduleKind] = KindModifier; |
3744 | KLoc[ScheduleKind] = Tok.getLocation(); |
3745 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3746 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3747 | ConsumeAnyToken(); |
3748 | if ((Arg[ScheduleKind] == OMPC_SCHEDULE_static || |
3749 | Arg[ScheduleKind] == OMPC_SCHEDULE_dynamic || |
3750 | Arg[ScheduleKind] == OMPC_SCHEDULE_guided) && |
3751 | Tok.is(tok::comma)) |
3752 | DelimLoc = ConsumeAnyToken(); |
3753 | } else if (Kind == OMPC_dist_schedule) { |
3754 | Arg.push_back(getOpenMPSimpleClauseType( |
3755 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts())); |
3756 | KLoc.push_back(Tok.getLocation()); |
3757 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3758 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3759 | ConsumeAnyToken(); |
3760 | if (Arg.back() == OMPC_DIST_SCHEDULE_static && Tok.is(tok::comma)) |
3761 | DelimLoc = ConsumeAnyToken(); |
3762 | } else if (Kind == OMPC_defaultmap) { |
3763 | // Get a defaultmap modifier |
3764 | unsigned Modifier = getOpenMPSimpleClauseType( |
3765 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts()); |
3766 | // Set defaultmap modifier to unknown if it is either scalar, aggregate, or |
3767 | // pointer |
3768 | if (Modifier < OMPC_DEFAULTMAP_MODIFIER_unknown) |
3769 | Modifier = OMPC_DEFAULTMAP_MODIFIER_unknown; |
3770 | Arg.push_back(Modifier); |
3771 | KLoc.push_back(Tok.getLocation()); |
3772 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3773 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3774 | ConsumeAnyToken(); |
3775 | // Parse ':' |
3776 | if (Tok.is(tok::colon) || getLangOpts().OpenMP < 50) { |
3777 | if (Tok.is(tok::colon)) |
3778 | ConsumeAnyToken(); |
3779 | else if (Arg.back() != OMPC_DEFAULTMAP_MODIFIER_unknown) |
3780 | Diag(Tok, diag::warn_pragma_expected_colon) << "defaultmap modifier"; |
3781 | // Get a defaultmap kind |
3782 | Arg.push_back(getOpenMPSimpleClauseType( |
3783 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts())); |
3784 | KLoc.push_back(Tok.getLocation()); |
3785 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3786 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3787 | ConsumeAnyToken(); |
3788 | } else { |
3789 | Arg.push_back(OMPC_DEFAULTMAP_unknown); |
3790 | KLoc.push_back(SourceLocation()); |
3791 | } |
3792 | } else if (Kind == OMPC_device) { |
3793 | // Only target executable directives support extended device construct. |
3794 | if (isOpenMPTargetExecutionDirective(DKind) && getLangOpts().OpenMP >= 50 && |
3795 | NextToken().is(tok::colon)) { |
3796 | // Parse optional <device modifier> ':' |
3797 | Arg.push_back(getOpenMPSimpleClauseType( |
3798 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts())); |
3799 | KLoc.push_back(Tok.getLocation()); |
3800 | ConsumeAnyToken(); |
3801 | // Parse ':' |
3802 | ConsumeAnyToken(); |
3803 | } else { |
3804 | Arg.push_back(OMPC_DEVICE_unknown); |
3805 | KLoc.emplace_back(); |
3806 | } |
3807 | } else { |
3808 | assert(Kind == OMPC_if)(static_cast <bool> (Kind == OMPC_if) ? void (0) : __assert_fail ("Kind == OMPC_if", "clang/lib/Parse/ParseOpenMP.cpp", 3808, __extension__ __PRETTY_FUNCTION__)); |
3809 | KLoc.push_back(Tok.getLocation()); |
3810 | TentativeParsingAction TPA(*this); |
3811 | auto DK = parseOpenMPDirectiveKind(*this); |
3812 | Arg.push_back(DK); |
3813 | if (DK != OMPD_unknown) { |
3814 | ConsumeToken(); |
3815 | if (Tok.is(tok::colon) && getLangOpts().OpenMP > 40) { |
3816 | TPA.Commit(); |
3817 | DelimLoc = ConsumeToken(); |
3818 | } else { |
3819 | TPA.Revert(); |
3820 | Arg.back() = unsigned(OMPD_unknown); |
3821 | } |
3822 | } else { |
3823 | TPA.Revert(); |
3824 | } |
3825 | } |
3826 | |
3827 | bool NeedAnExpression = (Kind == OMPC_schedule && DelimLoc.isValid()) || |
3828 | (Kind == OMPC_dist_schedule && DelimLoc.isValid()) || |
3829 | Kind == OMPC_if || Kind == OMPC_device; |
3830 | if (NeedAnExpression) { |
3831 | SourceLocation ELoc = Tok.getLocation(); |
3832 | ExprResult LHS(ParseCastExpression(AnyCastExpr, false, NotTypeCast)); |
3833 | Val = ParseRHSOfBinaryExpression(LHS, prec::Conditional); |
3834 | Val = |
3835 | Actions.ActOnFinishFullExpr(Val.get(), ELoc, /*DiscardedValue*/ false); |
3836 | } |
3837 | |
3838 | // Parse ')'. |
3839 | SourceLocation RLoc = Tok.getLocation(); |
3840 | if (!T.consumeClose()) |
3841 | RLoc = T.getCloseLocation(); |
3842 | |
3843 | if (NeedAnExpression && Val.isInvalid()) |
3844 | return nullptr; |
3845 | |
3846 | if (ParseOnly) |
3847 | return nullptr; |
3848 | return Actions.ActOnOpenMPSingleExprWithArgClause( |
3849 | Kind, Arg, Val.get(), Loc, T.getOpenLocation(), KLoc, DelimLoc, RLoc); |
3850 | } |
3851 | |
3852 | static bool ParseReductionId(Parser &P, CXXScopeSpec &ReductionIdScopeSpec, |
3853 | UnqualifiedId &ReductionId) { |
3854 | if (ReductionIdScopeSpec.isEmpty()) { |
3855 | auto OOK = OO_None; |
3856 | switch (P.getCurToken().getKind()) { |
3857 | case tok::plus: |
3858 | OOK = OO_Plus; |
3859 | break; |
3860 | case tok::minus: |
3861 | OOK = OO_Minus; |
3862 | break; |
3863 | case tok::star: |
3864 | OOK = OO_Star; |
3865 | break; |
3866 | case tok::amp: |
3867 | OOK = OO_Amp; |
3868 | break; |
3869 | case tok::pipe: |
3870 | OOK = OO_Pipe; |
3871 | break; |
3872 | case tok::caret: |
3873 | OOK = OO_Caret; |
3874 | break; |
3875 | case tok::ampamp: |
3876 | OOK = OO_AmpAmp; |
3877 | break; |
3878 | case tok::pipepipe: |
3879 | OOK = OO_PipePipe; |
3880 | break; |
3881 | default: |
3882 | break; |
3883 | } |
3884 | if (OOK != OO_None) { |
3885 | SourceLocation OpLoc = P.ConsumeToken(); |
3886 | SourceLocation SymbolLocations[] = {OpLoc, OpLoc, SourceLocation()}; |
3887 | ReductionId.setOperatorFunctionId(OpLoc, OOK, SymbolLocations); |
3888 | return false; |
3889 | } |
3890 | } |
3891 | return P.ParseUnqualifiedId( |
3892 | ReductionIdScopeSpec, /*ObjectType=*/nullptr, |
3893 | /*ObjectHadErrors=*/false, /*EnteringContext*/ false, |
3894 | /*AllowDestructorName*/ false, |
3895 | /*AllowConstructorName*/ false, |
3896 | /*AllowDeductionGuide*/ false, nullptr, ReductionId); |
3897 | } |
3898 | |
3899 | /// Checks if the token is a valid map-type-modifier. |
3900 | /// FIXME: It will return an OpenMPMapClauseKind if that's what it parses. |
3901 | static OpenMPMapModifierKind isMapModifier(Parser &P) { |
3902 | Token Tok = P.getCurToken(); |
3903 | if (!Tok.is(tok::identifier)) |
3904 | return OMPC_MAP_MODIFIER_unknown; |
3905 | |
3906 | Preprocessor &PP = P.getPreprocessor(); |
3907 | OpenMPMapModifierKind TypeModifier = |
3908 | static_cast<OpenMPMapModifierKind>(getOpenMPSimpleClauseType( |
3909 | OMPC_map, PP.getSpelling(Tok), P.getLangOpts())); |
3910 | return TypeModifier; |
3911 | } |
3912 | |
3913 | /// Parse the mapper modifier in map, to, and from clauses. |
3914 | bool Parser::parseMapperModifier(Sema::OpenMPVarListDataTy &Data) { |
3915 | // Parse '('. |
3916 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::colon); |
3917 | if (T.expectAndConsume(diag::err_expected_lparen_after, "mapper")) { |
3918 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
3919 | StopBeforeMatch); |
3920 | return true; |
3921 | } |
3922 | // Parse mapper-identifier |
3923 | if (getLangOpts().CPlusPlus) |
3924 | ParseOptionalCXXScopeSpecifier(Data.ReductionOrMapperIdScopeSpec, |
3925 | /*ObjectType=*/nullptr, |
3926 | /*ObjectHasErrors=*/false, |
3927 | /*EnteringContext=*/false); |
3928 | if (Tok.isNot(tok::identifier) && Tok.isNot(tok::kw_default)) { |
3929 | Diag(Tok.getLocation(), diag::err_omp_mapper_illegal_identifier); |
3930 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
3931 | StopBeforeMatch); |
3932 | return true; |
3933 | } |
3934 | auto &DeclNames = Actions.getASTContext().DeclarationNames; |
3935 | Data.ReductionOrMapperId = DeclarationNameInfo( |
3936 | DeclNames.getIdentifier(Tok.getIdentifierInfo()), Tok.getLocation()); |
3937 | ConsumeToken(); |
3938 | // Parse ')'. |
3939 | return T.consumeClose(); |
3940 | } |
3941 | |
3942 | /// Parse map-type-modifiers in map clause. |
3943 | /// map([ [map-type-modifier[,] [map-type-modifier[,] ...] map-type : ] list) |
3944 | /// where, map-type-modifier ::= always | close | mapper(mapper-identifier) | |
3945 | /// present |
3946 | bool Parser::parseMapTypeModifiers(Sema::OpenMPVarListDataTy &Data) { |
3947 | while (getCurToken().isNot(tok::colon)) { |
3948 | OpenMPMapModifierKind TypeModifier = isMapModifier(*this); |
3949 | if (TypeModifier == OMPC_MAP_MODIFIER_always || |
3950 | TypeModifier == OMPC_MAP_MODIFIER_close || |
3951 | TypeModifier == OMPC_MAP_MODIFIER_present || |
3952 | TypeModifier == OMPC_MAP_MODIFIER_ompx_hold) { |
3953 | Data.MapTypeModifiers.push_back(TypeModifier); |
3954 | Data.MapTypeModifiersLoc.push_back(Tok.getLocation()); |
3955 | ConsumeToken(); |
3956 | } else if (TypeModifier == OMPC_MAP_MODIFIER_mapper) { |
3957 | Data.MapTypeModifiers.push_back(TypeModifier); |
3958 | Data.MapTypeModifiersLoc.push_back(Tok.getLocation()); |
3959 | ConsumeToken(); |
3960 | if (parseMapperModifier(Data)) |
3961 | return true; |
3962 | } else { |
3963 | // For the case of unknown map-type-modifier or a map-type. |
3964 | // Map-type is followed by a colon; the function returns when it |
3965 | // encounters a token followed by a colon. |
3966 | if (Tok.is(tok::comma)) { |
3967 | Diag(Tok, diag::err_omp_map_type_modifier_missing); |
3968 | ConsumeToken(); |
3969 | continue; |
3970 | } |
3971 | // Potential map-type token as it is followed by a colon. |
3972 | if (PP.LookAhead(0).is(tok::colon)) |
3973 | return false; |
3974 | Diag(Tok, diag::err_omp_unknown_map_type_modifier) |
3975 | << (getLangOpts().OpenMP >= 51 ? 1 : 0) |
3976 | << getLangOpts().OpenMPExtensions; |
3977 | ConsumeToken(); |
3978 | } |
3979 | if (getCurToken().is(tok::comma)) |
3980 | ConsumeToken(); |
3981 | } |
3982 | return false; |
3983 | } |
3984 | |
3985 | /// Checks if the token is a valid map-type. |
3986 | /// FIXME: It will return an OpenMPMapModifierKind if that's what it parses. |
3987 | static OpenMPMapClauseKind isMapType(Parser &P) { |
3988 | Token Tok = P.getCurToken(); |
3989 | // The map-type token can be either an identifier or the C++ delete keyword. |
3990 | if (!Tok.isOneOf(tok::identifier, tok::kw_delete)) |
3991 | return OMPC_MAP_unknown; |
3992 | Preprocessor &PP = P.getPreprocessor(); |
3993 | OpenMPMapClauseKind MapType = |
3994 | static_cast<OpenMPMapClauseKind>(getOpenMPSimpleClauseType( |
3995 | OMPC_map, PP.getSpelling(Tok), P.getLangOpts())); |
3996 | return MapType; |
3997 | } |
3998 | |
3999 | /// Parse map-type in map clause. |
4000 | /// map([ [map-type-modifier[,] [map-type-modifier[,] ...] map-type : ] list) |
4001 | /// where, map-type ::= to | from | tofrom | alloc | release | delete |
4002 | static void parseMapType(Parser &P, Sema::OpenMPVarListDataTy &Data) { |
4003 | Token Tok = P.getCurToken(); |
4004 | if (Tok.is(tok::colon)) { |
4005 | P.Diag(Tok, diag::err_omp_map_type_missing); |
4006 | return; |
4007 | } |
4008 | Data.ExtraModifier = isMapType(P); |
4009 | if (Data.ExtraModifier == OMPC_MAP_unknown) |
4010 | P.Diag(Tok, diag::err_omp_unknown_map_type); |
4011 | P.ConsumeToken(); |
4012 | } |
4013 | |
4014 | /// Parses simple expression in parens for single-expression clauses of OpenMP |
4015 | /// constructs. |
4016 | ExprResult Parser::ParseOpenMPIteratorsExpr() { |
4017 | assert(Tok.is(tok::identifier) && PP.getSpelling(Tok) == "iterator" &&(static_cast <bool> (Tok.is(tok::identifier) && PP.getSpelling(Tok) == "iterator" && "Expected 'iterator' token." ) ? void (0) : __assert_fail ("Tok.is(tok::identifier) && PP.getSpelling(Tok) == \"iterator\" && \"Expected 'iterator' token.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 4018, __extension__ __PRETTY_FUNCTION__ )) |
4018 | "Expected 'iterator' token.")(static_cast <bool> (Tok.is(tok::identifier) && PP.getSpelling(Tok) == "iterator" && "Expected 'iterator' token." ) ? void (0) : __assert_fail ("Tok.is(tok::identifier) && PP.getSpelling(Tok) == \"iterator\" && \"Expected 'iterator' token.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 4018, __extension__ __PRETTY_FUNCTION__ )); |
4019 | SourceLocation IteratorKwLoc = ConsumeToken(); |
4020 | |
4021 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
4022 | if (T.expectAndConsume(diag::err_expected_lparen_after, "iterator")) |
4023 | return ExprError(); |
4024 | |
4025 | SourceLocation LLoc = T.getOpenLocation(); |
4026 | SmallVector<Sema::OMPIteratorData, 4> Data; |
4027 | while (Tok.isNot(tok::r_paren) && Tok.isNot(tok::annot_pragma_openmp_end)) { |
4028 | // Check if the type parsing is required. |
4029 | ParsedType IteratorType; |
4030 | if (Tok.isNot(tok::identifier) || NextToken().isNot(tok::equal)) { |
4031 | // identifier '=' is not found - parse type. |
4032 | TypeResult TR = ParseTypeName(); |
4033 | if (TR.isInvalid()) { |
4034 | T.skipToEnd(); |
4035 | return ExprError(); |
4036 | } |
4037 | IteratorType = TR.get(); |
4038 | } |
4039 | |
4040 | // Parse identifier. |
4041 | IdentifierInfo *II = nullptr; |
4042 | SourceLocation IdLoc; |
4043 | if (Tok.is(tok::identifier)) { |
4044 | II = Tok.getIdentifierInfo(); |
4045 | IdLoc = ConsumeToken(); |
4046 | } else { |
4047 | Diag(Tok, diag::err_expected_unqualified_id) << 0; |
4048 | } |
4049 | |
4050 | // Parse '='. |
4051 | SourceLocation AssignLoc; |
4052 | if (Tok.is(tok::equal)) |
4053 | AssignLoc = ConsumeToken(); |
4054 | else |
4055 | Diag(Tok, diag::err_omp_expected_equal_in_iterator); |
4056 | |
4057 | // Parse range-specification - <begin> ':' <end> [ ':' <step> ] |
4058 | ColonProtectionRAIIObject ColonRAII(*this); |
4059 | // Parse <begin> |
4060 | SourceLocation Loc = Tok.getLocation(); |
4061 | ExprResult LHS = ParseCastExpression(AnyCastExpr); |
4062 | ExprResult Begin = Actions.CorrectDelayedTyposInExpr( |
4063 | ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
4064 | Begin = Actions.ActOnFinishFullExpr(Begin.get(), Loc, |
4065 | /*DiscardedValue=*/false); |
4066 | // Parse ':'. |
4067 | SourceLocation ColonLoc; |
4068 | if (Tok.is(tok::colon)) |
4069 | ColonLoc = ConsumeToken(); |
4070 | |
4071 | // Parse <end> |
4072 | Loc = Tok.getLocation(); |
4073 | LHS = ParseCastExpression(AnyCastExpr); |
4074 | ExprResult End = Actions.CorrectDelayedTyposInExpr( |
4075 | ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
4076 | End = Actions.ActOnFinishFullExpr(End.get(), Loc, |
4077 | /*DiscardedValue=*/false); |
4078 | |
4079 | SourceLocation SecColonLoc; |
4080 | ExprResult Step; |
4081 | // Parse optional step. |
4082 | if (Tok.is(tok::colon)) { |
4083 | // Parse ':' |
4084 | SecColonLoc = ConsumeToken(); |
4085 | // Parse <step> |
4086 | Loc = Tok.getLocation(); |
4087 | LHS = ParseCastExpression(AnyCastExpr); |
4088 | Step = Actions.CorrectDelayedTyposInExpr( |
4089 | ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
4090 | Step = Actions.ActOnFinishFullExpr(Step.get(), Loc, |
4091 | /*DiscardedValue=*/false); |
4092 | } |
4093 | |
4094 | // Parse ',' or ')' |
4095 | if (Tok.isNot(tok::comma) && Tok.isNot(tok::r_paren)) |
4096 | Diag(Tok, diag::err_omp_expected_punc_after_iterator); |
4097 | if (Tok.is(tok::comma)) |
4098 | ConsumeToken(); |
4099 | |
4100 | Sema::OMPIteratorData &D = Data.emplace_back(); |
4101 | D.DeclIdent = II; |
4102 | D.DeclIdentLoc = IdLoc; |
4103 | D.Type = IteratorType; |
4104 | D.AssignLoc = AssignLoc; |
4105 | D.ColonLoc = ColonLoc; |
4106 | D.SecColonLoc = SecColonLoc; |
4107 | D.Range.Begin = Begin.get(); |
4108 | D.Range.End = End.get(); |
4109 | D.Range.Step = Step.get(); |
4110 | } |
4111 | |
4112 | // Parse ')'. |
4113 | SourceLocation RLoc = Tok.getLocation(); |
4114 | if (!T.consumeClose()) |
4115 | RLoc = T.getCloseLocation(); |
4116 | |
4117 | return Actions.ActOnOMPIteratorExpr(getCurScope(), IteratorKwLoc, LLoc, RLoc, |
4118 | Data); |
4119 | } |
4120 | |
4121 | bool Parser::ParseOpenMPReservedLocator(OpenMPClauseKind Kind, |
4122 | Sema::OpenMPVarListDataTy &Data, |
4123 | const LangOptions &LangOpts) { |
4124 | // Currently the only reserved locator is 'omp_all_memory' which is only |
4125 | // allowed on a depend clause. |
4126 | if (Kind != OMPC_depend || LangOpts.OpenMP < 51) |
4127 | return false; |
4128 | |
4129 | if (Tok.is(tok::identifier) && |
4130 | Tok.getIdentifierInfo()->isStr("omp_all_memory")) { |
4131 | |
4132 | if (Data.ExtraModifier == OMPC_DEPEND_outallmemory || |
4133 | Data.ExtraModifier == OMPC_DEPEND_inoutallmemory) |
4134 | Diag(Tok, diag::warn_omp_more_one_omp_all_memory); |
4135 | else if (Data.ExtraModifier != OMPC_DEPEND_out && |
4136 | Data.ExtraModifier != OMPC_DEPEND_inout) |
4137 | Diag(Tok, diag::err_omp_requires_out_inout_depend_type); |
4138 | else |
4139 | Data.ExtraModifier = Data.ExtraModifier == OMPC_DEPEND_out |
4140 | ? OMPC_DEPEND_outallmemory |
4141 | : OMPC_DEPEND_inoutallmemory; |
4142 | ConsumeToken(); |
4143 | return true; |
4144 | } |
4145 | return false; |
4146 | } |
4147 | |
4148 | /// Parses clauses with list. |
4149 | bool Parser::ParseOpenMPVarList(OpenMPDirectiveKind DKind, |
4150 | OpenMPClauseKind Kind, |
4151 | SmallVectorImpl<Expr *> &Vars, |
4152 | Sema::OpenMPVarListDataTy &Data) { |
4153 | UnqualifiedId UnqualifiedReductionId; |
4154 | bool InvalidReductionId = false; |
4155 | bool IsInvalidMapperModifier = false; |
4156 | |
4157 | // Parse '('. |
4158 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
4159 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
4160 | getOpenMPClauseName(Kind).data())) |
4161 | return true; |
4162 | |
4163 | bool HasIterator = false; |
4164 | bool NeedRParenForLinear = false; |
4165 | BalancedDelimiterTracker LinearT(*this, tok::l_paren, |
4166 | tok::annot_pragma_openmp_end); |
4167 | // Handle reduction-identifier for reduction clause. |
4168 | if (Kind == OMPC_reduction || Kind == OMPC_task_reduction || |
4169 | Kind == OMPC_in_reduction) { |
4170 | Data.ExtraModifier = OMPC_REDUCTION_unknown; |
4171 | if (Kind == OMPC_reduction && getLangOpts().OpenMP >= 50 && |
4172 | (Tok.is(tok::identifier) || Tok.is(tok::kw_default)) && |
4173 | NextToken().is(tok::comma)) { |
4174 | // Parse optional reduction modifier. |
4175 | Data.ExtraModifier = |
4176 | getOpenMPSimpleClauseType(Kind, PP.getSpelling(Tok), getLangOpts()); |
4177 | Data.ExtraModifierLoc = Tok.getLocation(); |
4178 | ConsumeToken(); |
4179 | assert(Tok.is(tok::comma) && "Expected comma.")(static_cast <bool> (Tok.is(tok::comma) && "Expected comma." ) ? void (0) : __assert_fail ("Tok.is(tok::comma) && \"Expected comma.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 4179, __extension__ __PRETTY_FUNCTION__ )); |
4180 | (void)ConsumeToken(); |
4181 | } |
4182 | ColonProtectionRAIIObject ColonRAII(*this); |
4183 | if (getLangOpts().CPlusPlus) |
4184 | ParseOptionalCXXScopeSpecifier(Data.ReductionOrMapperIdScopeSpec, |
4185 | /*ObjectType=*/nullptr, |
4186 | /*ObjectHasErrors=*/false, |
4187 | /*EnteringContext=*/false); |
4188 | InvalidReductionId = ParseReductionId( |
4189 | *this, Data.ReductionOrMapperIdScopeSpec, UnqualifiedReductionId); |
4190 | if (InvalidReductionId) { |
4191 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
4192 | StopBeforeMatch); |
4193 | } |
4194 | if (Tok.is(tok::colon)) |
4195 | Data.ColonLoc = ConsumeToken(); |
4196 | else |
4197 | Diag(Tok, diag::warn_pragma_expected_colon) << "reduction identifier"; |
4198 | if (!InvalidReductionId) |
4199 | Data.ReductionOrMapperId = |
4200 | Actions.GetNameFromUnqualifiedId(UnqualifiedReductionId); |
4201 | } else if (Kind == OMPC_depend) { |
4202 | if (getLangOpts().OpenMP >= 50) { |
4203 | if (Tok.is(tok::identifier) && PP.getSpelling(Tok) == "iterator") { |
4204 | // Handle optional dependence modifier. |
4205 | // iterator(iterators-definition) |
4206 | // where iterators-definition is iterator-specifier [, |
4207 | // iterators-definition ] |
4208 | // where iterator-specifier is [ iterator-type ] identifier = |
4209 | // range-specification |
4210 | HasIterator = true; |
4211 | EnterScope(Scope::OpenMPDirectiveScope | Scope::DeclScope); |
4212 | ExprResult IteratorRes = ParseOpenMPIteratorsExpr(); |
4213 | Data.DepModOrTailExpr = IteratorRes.get(); |
4214 | // Parse ',' |
4215 | ExpectAndConsume(tok::comma); |
4216 | } |
4217 | } |
4218 | // Handle dependency type for depend clause. |
4219 | ColonProtectionRAIIObject ColonRAII(*this); |
4220 | Data.ExtraModifier = getOpenMPSimpleClauseType( |
4221 | Kind, Tok.is(tok::identifier) ? PP.getSpelling(Tok) : "", |
4222 | getLangOpts()); |
4223 | Data.ExtraModifierLoc = Tok.getLocation(); |
4224 | if (Data.ExtraModifier == OMPC_DEPEND_unknown) { |
4225 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
4226 | StopBeforeMatch); |
4227 | } else { |
4228 | ConsumeToken(); |
4229 | // Special processing for depend(source) clause. |
4230 | if (DKind == OMPD_ordered && Data.ExtraModifier == OMPC_DEPEND_source) { |
4231 | // Parse ')'. |
4232 | T.consumeClose(); |
4233 | return false; |
4234 | } |
4235 | } |
4236 | if (Tok.is(tok::colon)) { |
4237 | Data.ColonLoc = ConsumeToken(); |
4238 | } else { |
4239 | Diag(Tok, DKind == OMPD_ordered ? diag::warn_pragma_expected_colon_r_paren |
4240 | : diag::warn_pragma_expected_colon) |
4241 | << "dependency type"; |
4242 | } |
4243 | } else if (Kind == OMPC_linear) { |
4244 | // Try to parse modifier if any. |
4245 | Data.ExtraModifier = OMPC_LINEAR_val; |
4246 | if (Tok.is(tok::identifier) && PP.LookAhead(0).is(tok::l_paren)) { |
4247 | Data.ExtraModifier = |
4248 | getOpenMPSimpleClauseType(Kind, PP.getSpelling(Tok), getLangOpts()); |
4249 | Data.ExtraModifierLoc = ConsumeToken(); |
4250 | LinearT.consumeOpen(); |
4251 | NeedRParenForLinear = true; |
4252 | } |
4253 | } else if (Kind == OMPC_lastprivate) { |
4254 | // Try to parse modifier if any. |
4255 | Data.ExtraModifier = OMPC_LASTPRIVATE_unknown; |
4256 | // Conditional modifier allowed only in OpenMP 5.0 and not supported in |
4257 | // distribute and taskloop based directives. |
4258 | if ((getLangOpts().OpenMP >= 50 && !isOpenMPDistributeDirective(DKind) && |
4259 | !isOpenMPTaskLoopDirective(DKind)) && |
4260 | Tok.is(tok::identifier) && PP.LookAhead(0).is(tok::colon)) { |
4261 | Data.ExtraModifier = |
4262 | getOpenMPSimpleClauseType(Kind, PP.getSpelling(Tok), getLangOpts()); |
4263 | Data.ExtraModifierLoc = Tok.getLocation(); |
4264 | ConsumeToken(); |
4265 | assert(Tok.is(tok::colon) && "Expected colon.")(static_cast <bool> (Tok.is(tok::colon) && "Expected colon." ) ? void (0) : __assert_fail ("Tok.is(tok::colon) && \"Expected colon.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 4265, __extension__ __PRETTY_FUNCTION__ )); |
4266 | Data.ColonLoc = ConsumeToken(); |
4267 | } |
4268 | } else if (Kind == OMPC_map) { |
4269 | // Handle map type for map clause. |
4270 | ColonProtectionRAIIObject ColonRAII(*this); |
4271 | |
4272 | // The first identifier may be a list item, a map-type or a |
4273 | // map-type-modifier. The map-type can also be delete which has the same |
4274 | // spelling of the C++ delete keyword. |
4275 | Data.ExtraModifier = OMPC_MAP_unknown; |
4276 | Data.ExtraModifierLoc = Tok.getLocation(); |
4277 | |
4278 | // Check for presence of a colon in the map clause. |
4279 | TentativeParsingAction TPA(*this); |
4280 | bool ColonPresent = false; |
4281 | if (SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
4282 | StopBeforeMatch)) { |
4283 | if (Tok.is(tok::colon)) |
4284 | ColonPresent = true; |
4285 | } |
4286 | TPA.Revert(); |
4287 | // Only parse map-type-modifier[s] and map-type if a colon is present in |
4288 | // the map clause. |
4289 | if (ColonPresent) { |
4290 | IsInvalidMapperModifier = parseMapTypeModifiers(Data); |
4291 | if (!IsInvalidMapperModifier) |
4292 | parseMapType(*this, Data); |
4293 | else |
4294 | SkipUntil(tok::colon, tok::annot_pragma_openmp_end, StopBeforeMatch); |
4295 | } |
4296 | if (Data.ExtraModifier == OMPC_MAP_unknown) { |
4297 | Data.ExtraModifier = OMPC_MAP_tofrom; |
4298 | Data.IsMapTypeImplicit = true; |
4299 | } |
4300 | |
4301 | if (Tok.is(tok::colon)) |
4302 | Data.ColonLoc = ConsumeToken(); |
4303 | } else if (Kind == OMPC_to || Kind == OMPC_from) { |
4304 | while (Tok.is(tok::identifier)) { |
4305 | auto Modifier = static_cast<OpenMPMotionModifierKind>( |
4306 | getOpenMPSimpleClauseType(Kind, PP.getSpelling(Tok), getLangOpts())); |
4307 | if (Modifier == OMPC_MOTION_MODIFIER_unknown) |
4308 | break; |
4309 | Data.MotionModifiers.push_back(Modifier); |
4310 | Data.MotionModifiersLoc.push_back(Tok.getLocation()); |
4311 | ConsumeToken(); |
4312 | if (Modifier == OMPC_MOTION_MODIFIER_mapper) { |
4313 | IsInvalidMapperModifier = parseMapperModifier(Data); |
4314 | if (IsInvalidMapperModifier) |
4315 | break; |
4316 | } |
4317 | // OpenMP < 5.1 doesn't permit a ',' or additional modifiers. |
4318 | if (getLangOpts().OpenMP < 51) |
4319 | break; |
4320 | // OpenMP 5.1 accepts an optional ',' even if the next character is ':'. |
4321 | // TODO: Is that intentional? |
4322 | if (Tok.is(tok::comma)) |
4323 | ConsumeToken(); |
4324 | } |
4325 | if (!Data.MotionModifiers.empty() && Tok.isNot(tok::colon)) { |
4326 | if (!IsInvalidMapperModifier) { |
4327 | if (getLangOpts().OpenMP < 51) |
4328 | Diag(Tok, diag::warn_pragma_expected_colon) << ")"; |
4329 | else |
4330 | Diag(Tok, diag::warn_pragma_expected_colon) << "motion modifier"; |
4331 | } |
4332 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
4333 | StopBeforeMatch); |
4334 | } |
4335 | // OpenMP 5.1 permits a ':' even without a preceding modifier. TODO: Is |
4336 | // that intentional? |
4337 | if ((!Data.MotionModifiers.empty() || getLangOpts().OpenMP >= 51) && |
4338 | Tok.is(tok::colon)) |
4339 | Data.ColonLoc = ConsumeToken(); |
4340 | } else if (Kind == OMPC_allocate || |
4341 | (Kind == OMPC_affinity && Tok.is(tok::identifier) && |
4342 | PP.getSpelling(Tok) == "iterator")) { |
4343 | // Handle optional allocator expression followed by colon delimiter. |
4344 | ColonProtectionRAIIObject ColonRAII(*this); |
4345 | TentativeParsingAction TPA(*this); |
4346 | // OpenMP 5.0, 2.10.1, task Construct. |
4347 | // where aff-modifier is one of the following: |
4348 | // iterator(iterators-definition) |
4349 | ExprResult Tail; |
4350 | if (Kind == OMPC_allocate) { |
4351 | Tail = ParseAssignmentExpression(); |
4352 | } else { |
4353 | HasIterator = true; |
4354 | EnterScope(Scope::OpenMPDirectiveScope | Scope::DeclScope); |
4355 | Tail = ParseOpenMPIteratorsExpr(); |
4356 | } |
4357 | Tail = Actions.CorrectDelayedTyposInExpr(Tail); |
4358 | Tail = Actions.ActOnFinishFullExpr(Tail.get(), T.getOpenLocation(), |
4359 | /*DiscardedValue=*/false); |
4360 | if (Tail.isUsable()) { |
4361 | if (Tok.is(tok::colon)) { |
4362 | Data.DepModOrTailExpr = Tail.get(); |
4363 | Data.ColonLoc = ConsumeToken(); |
4364 | TPA.Commit(); |
4365 | } else { |
4366 | // Colon not found, parse only list of variables. |
4367 | TPA.Revert(); |
4368 | } |
4369 | } else { |
4370 | // Parsing was unsuccessfull, revert and skip to the end of clause or |
4371 | // directive. |
4372 | TPA.Revert(); |
4373 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
4374 | StopBeforeMatch); |
4375 | } |
4376 | } else if (Kind == OMPC_adjust_args) { |
4377 | // Handle adjust-op for adjust_args clause. |
4378 | ColonProtectionRAIIObject ColonRAII(*this); |
4379 | Data.ExtraModifier = getOpenMPSimpleClauseType( |
4380 | Kind, Tok.is(tok::identifier) ? PP.getSpelling(Tok) : "", |
4381 | getLangOpts()); |
4382 | Data.ExtraModifierLoc = Tok.getLocation(); |
4383 | if (Data.ExtraModifier == OMPC_ADJUST_ARGS_unknown) { |
4384 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
4385 | StopBeforeMatch); |
4386 | } else { |
4387 | ConsumeToken(); |
4388 | if (Tok.is(tok::colon)) |
4389 | Data.ColonLoc = Tok.getLocation(); |
4390 | ExpectAndConsume(tok::colon, diag::warn_pragma_expected_colon, |
4391 | "adjust-op"); |
4392 | } |
4393 | } |
4394 | |
4395 | bool IsComma = |
4396 | (Kind != OMPC_reduction && Kind != OMPC_task_reduction && |
4397 | Kind != OMPC_in_reduction && Kind != OMPC_depend && Kind != OMPC_map) || |
4398 | (Kind == OMPC_reduction && !InvalidReductionId) || |
4399 | (Kind == OMPC_map && Data.ExtraModifier != OMPC_MAP_unknown) || |
4400 | (Kind == OMPC_depend && Data.ExtraModifier != OMPC_DEPEND_unknown) || |
4401 | (Kind == OMPC_adjust_args && |
4402 | Data.ExtraModifier != OMPC_ADJUST_ARGS_unknown); |
4403 | const bool MayHaveTail = (Kind == OMPC_linear || Kind == OMPC_aligned); |
4404 | while (IsComma || (Tok.isNot(tok::r_paren) && Tok.isNot(tok::colon) && |
4405 | Tok.isNot(tok::annot_pragma_openmp_end))) { |
4406 | ParseScope OMPListScope(this, Scope::OpenMPDirectiveScope); |
4407 | ColonProtectionRAIIObject ColonRAII(*this, MayHaveTail); |
4408 | if (!ParseOpenMPReservedLocator(Kind, Data, getLangOpts())) { |
4409 | // Parse variable |
4410 | ExprResult VarExpr = |
4411 | Actions.CorrectDelayedTyposInExpr(ParseAssignmentExpression()); |
4412 | if (VarExpr.isUsable()) { |
4413 | Vars.push_back(VarExpr.get()); |
4414 | } else { |
4415 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
4416 | StopBeforeMatch); |
4417 | } |
4418 | } |
4419 | // Skip ',' if any |
4420 | IsComma = Tok.is(tok::comma); |
4421 | if (IsComma) |
4422 | ConsumeToken(); |
4423 | else if (Tok.isNot(tok::r_paren) && |
4424 | Tok.isNot(tok::annot_pragma_openmp_end) && |
4425 | (!MayHaveTail || Tok.isNot(tok::colon))) |
4426 | Diag(Tok, diag::err_omp_expected_punc) |
4427 | << ((Kind == OMPC_flush) ? getOpenMPDirectiveName(OMPD_flush) |
4428 | : getOpenMPClauseName(Kind)) |
4429 | << (Kind == OMPC_flush); |
4430 | } |
4431 | |
4432 | // Parse ')' for linear clause with modifier. |
4433 | if (NeedRParenForLinear) |
4434 | LinearT.consumeClose(); |
4435 | |
4436 | // Parse ':' linear-step (or ':' alignment). |
4437 | const bool MustHaveTail = MayHaveTail && Tok.is(tok::colon); |
4438 | if (MustHaveTail) { |
4439 | Data.ColonLoc = Tok.getLocation(); |
4440 | SourceLocation ELoc = ConsumeToken(); |
4441 | ExprResult Tail = ParseAssignmentExpression(); |
4442 | Tail = |
4443 | Actions.ActOnFinishFullExpr(Tail.get(), ELoc, /*DiscardedValue*/ false); |
4444 | if (Tail.isUsable()) |
4445 | Data.DepModOrTailExpr = Tail.get(); |
4446 | else |
4447 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
4448 | StopBeforeMatch); |
4449 | } |
4450 | |
4451 | // Parse ')'. |
4452 | Data.RLoc = Tok.getLocation(); |
4453 | if (!T.consumeClose()) |
4454 | Data.RLoc = T.getCloseLocation(); |
4455 | // Exit from scope when the iterator is used in depend clause. |
4456 | if (HasIterator) |
4457 | ExitScope(); |
4458 | return (Kind != OMPC_depend && Kind != OMPC_map && Vars.empty()) || |
4459 | (MustHaveTail && !Data.DepModOrTailExpr) || InvalidReductionId || |
4460 | IsInvalidMapperModifier; |
4461 | } |
4462 | |
4463 | /// Parsing of OpenMP clause 'private', 'firstprivate', 'lastprivate', |
4464 | /// 'shared', 'copyin', 'copyprivate', 'flush', 'reduction', 'task_reduction', |
4465 | /// 'in_reduction', 'nontemporal', 'exclusive' or 'inclusive'. |
4466 | /// |
4467 | /// private-clause: |
4468 | /// 'private' '(' list ')' |
4469 | /// firstprivate-clause: |
4470 | /// 'firstprivate' '(' list ')' |
4471 | /// lastprivate-clause: |
4472 | /// 'lastprivate' '(' list ')' |
4473 | /// shared-clause: |
4474 | /// 'shared' '(' list ')' |
4475 | /// linear-clause: |
4476 | /// 'linear' '(' linear-list [ ':' linear-step ] ')' |
4477 | /// aligned-clause: |
4478 | /// 'aligned' '(' list [ ':' alignment ] ')' |
4479 | /// reduction-clause: |
4480 | /// 'reduction' '(' [ modifier ',' ] reduction-identifier ':' list ')' |
4481 | /// task_reduction-clause: |
4482 | /// 'task_reduction' '(' reduction-identifier ':' list ')' |
4483 | /// in_reduction-clause: |
4484 | /// 'in_reduction' '(' reduction-identifier ':' list ')' |
4485 | /// copyprivate-clause: |
4486 | /// 'copyprivate' '(' list ')' |
4487 | /// flush-clause: |
4488 | /// 'flush' '(' list ')' |
4489 | /// depend-clause: |
4490 | /// 'depend' '(' in | out | inout : list | source ')' |
4491 | /// map-clause: |
4492 | /// 'map' '(' [ [ always [,] ] [ close [,] ] |
4493 | /// [ mapper '(' mapper-identifier ')' [,] ] |
4494 | /// to | from | tofrom | alloc | release | delete ':' ] list ')'; |
4495 | /// to-clause: |
4496 | /// 'to' '(' [ mapper '(' mapper-identifier ')' ':' ] list ')' |
4497 | /// from-clause: |
4498 | /// 'from' '(' [ mapper '(' mapper-identifier ')' ':' ] list ')' |
4499 | /// use_device_ptr-clause: |
4500 | /// 'use_device_ptr' '(' list ')' |
4501 | /// use_device_addr-clause: |
4502 | /// 'use_device_addr' '(' list ')' |
4503 | /// is_device_ptr-clause: |
4504 | /// 'is_device_ptr' '(' list ')' |
4505 | /// has_device_addr-clause: |
4506 | /// 'has_device_addr' '(' list ')' |
4507 | /// allocate-clause: |
4508 | /// 'allocate' '(' [ allocator ':' ] list ')' |
4509 | /// nontemporal-clause: |
4510 | /// 'nontemporal' '(' list ')' |
4511 | /// inclusive-clause: |
4512 | /// 'inclusive' '(' list ')' |
4513 | /// exclusive-clause: |
4514 | /// 'exclusive' '(' list ')' |
4515 | /// |
4516 | /// For 'linear' clause linear-list may have the following forms: |
4517 | /// list |
4518 | /// modifier(list) |
4519 | /// where modifier is 'val' (C) or 'ref', 'val' or 'uval'(C++). |
4520 | OMPClause *Parser::ParseOpenMPVarListClause(OpenMPDirectiveKind DKind, |
4521 | OpenMPClauseKind Kind, |
4522 | bool ParseOnly) { |
4523 | SourceLocation Loc = Tok.getLocation(); |
4524 | SourceLocation LOpen = ConsumeToken(); |
4525 | SmallVector<Expr *, 4> Vars; |
4526 | Sema::OpenMPVarListDataTy Data; |
4527 | |
4528 | if (ParseOpenMPVarList(DKind, Kind, Vars, Data)) |
4529 | return nullptr; |
4530 | |
4531 | if (ParseOnly) |
4532 | return nullptr; |
4533 | OMPVarListLocTy Locs(Loc, LOpen, Data.RLoc); |
4534 | return Actions.ActOnOpenMPVarListClause(Kind, Vars, Locs, Data); |
4535 | } |