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23 | #include "clang/Parse/Parser.h" |
24 | #include "clang/AST/ASTContext.h" |
25 | #include "clang/Basic/PrettyStackTrace.h" |
26 | #include "clang/Parse/RAIIObjectsForParser.h" |
27 | #include "clang/Sema/DeclSpec.h" |
28 | #include "clang/Sema/ParsedTemplate.h" |
29 | #include "clang/Sema/Scope.h" |
30 | #include "clang/Sema/TypoCorrection.h" |
31 | #include "llvm/ADT/SmallVector.h" |
32 | using namespace clang; |
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120 | |
121 | |
122 | ExprResult Parser::ParseExpression(TypeCastState isTypeCast) { |
123 | ExprResult LHS(ParseAssignmentExpression(isTypeCast)); |
124 | return ParseRHSOfBinaryExpression(LHS, prec::Comma); |
125 | } |
126 | |
127 | |
128 | |
129 | |
130 | |
131 | |
132 | ExprResult |
133 | Parser::ParseExpressionWithLeadingAt(SourceLocation AtLoc) { |
134 | ExprResult LHS(ParseObjCAtExpression(AtLoc)); |
135 | return ParseRHSOfBinaryExpression(LHS, prec::Comma); |
136 | } |
137 | |
138 | |
139 | |
140 | |
141 | ExprResult |
142 | Parser::ParseExpressionWithLeadingExtension(SourceLocation ExtLoc) { |
143 | ExprResult LHS(true); |
144 | { |
145 | |
146 | ExtensionRAIIObject O(Diags); |
147 | |
148 | LHS = ParseCastExpression(false); |
149 | } |
150 | |
151 | if (!LHS.isInvalid()) |
152 | LHS = Actions.ActOnUnaryOp(getCurScope(), ExtLoc, tok::kw___extension__, |
153 | LHS.get()); |
154 | |
155 | return ParseRHSOfBinaryExpression(LHS, prec::Comma); |
156 | } |
157 | |
158 | |
159 | ExprResult Parser::ParseAssignmentExpression(TypeCastState isTypeCast) { |
160 | if (Tok.is(tok::code_completion)) { |
161 | Actions.CodeCompleteExpression(getCurScope(), |
162 | PreferredType.get(Tok.getLocation())); |
163 | cutOffParsing(); |
164 | return ExprError(); |
165 | } |
166 | |
167 | if (Tok.is(tok::kw_throw)) |
168 | return ParseThrowExpression(); |
169 | if (Tok.is(tok::kw_co_yield)) |
170 | return ParseCoyieldExpression(); |
171 | |
172 | ExprResult LHS = ParseCastExpression(, |
173 | , |
174 | isTypeCast); |
175 | return ParseRHSOfBinaryExpression(LHS, prec::Assignment); |
176 | } |
177 | |
178 | |
179 | |
180 | |
181 | |
182 | |
183 | |
184 | |
185 | |
186 | |
187 | ExprResult |
188 | Parser::ParseAssignmentExprWithObjCMessageExprStart(SourceLocation LBracLoc, |
189 | SourceLocation SuperLoc, |
190 | ParsedType ReceiverType, |
191 | Expr *ReceiverExpr) { |
192 | ExprResult R |
193 | = ParseObjCMessageExpressionBody(LBracLoc, SuperLoc, |
194 | ReceiverType, ReceiverExpr); |
195 | R = ParsePostfixExpressionSuffix(R); |
196 | return ParseRHSOfBinaryExpression(R, prec::Assignment); |
197 | } |
198 | |
199 | ExprResult |
200 | Parser::ParseConstantExpressionInExprEvalContext(TypeCastState isTypeCast) { |
201 | (0) . __assert_fail ("Actions.ExprEvalContexts.back().Context == Sema..ExpressionEvaluationContext..ConstantEvaluated && \"Call this function only if your ExpressionEvaluationContext is \" \"already ConstantEvaluated\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 204, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Actions.ExprEvalContexts.back().Context == |
202 | (0) . __assert_fail ("Actions.ExprEvalContexts.back().Context == Sema..ExpressionEvaluationContext..ConstantEvaluated && \"Call this function only if your ExpressionEvaluationContext is \" \"already ConstantEvaluated\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 204, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> Sema::ExpressionEvaluationContext::ConstantEvaluated && |
203 | (0) . __assert_fail ("Actions.ExprEvalContexts.back().Context == Sema..ExpressionEvaluationContext..ConstantEvaluated && \"Call this function only if your ExpressionEvaluationContext is \" \"already ConstantEvaluated\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 204, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Call this function only if your ExpressionEvaluationContext is " |
204 | (0) . __assert_fail ("Actions.ExprEvalContexts.back().Context == Sema..ExpressionEvaluationContext..ConstantEvaluated && \"Call this function only if your ExpressionEvaluationContext is \" \"already ConstantEvaluated\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 204, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "already ConstantEvaluated"); |
205 | ExprResult LHS(ParseCastExpression(false, false, isTypeCast)); |
206 | ExprResult Res(ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
207 | return Actions.ActOnConstantExpression(Res); |
208 | } |
209 | |
210 | ExprResult Parser::ParseConstantExpression(TypeCastState isTypeCast) { |
211 | |
212 | |
213 | |
214 | |
215 | EnterExpressionEvaluationContext ConstantEvaluated( |
216 | Actions, Sema::ExpressionEvaluationContext::ConstantEvaluated); |
217 | return ParseConstantExpressionInExprEvalContext(isTypeCast); |
218 | } |
219 | |
220 | ExprResult Parser::ParseCaseExpression(SourceLocation CaseLoc) { |
221 | EnterExpressionEvaluationContext ConstantEvaluated( |
222 | Actions, Sema::ExpressionEvaluationContext::ConstantEvaluated); |
223 | ExprResult LHS(ParseCastExpression(false, false, NotTypeCast)); |
224 | ExprResult Res(ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
225 | return Actions.ActOnCaseExpr(CaseLoc, Res); |
226 | } |
227 | |
228 | |
229 | |
230 | |
231 | |
232 | |
233 | |
234 | ExprResult Parser::ParseConstraintExpression() { |
235 | |
236 | |
237 | |
238 | |
239 | |
240 | ExprResult LHS(ParseCastExpression()); |
241 | ExprResult Res(ParseRHSOfBinaryExpression(LHS, prec::LogicalOr)); |
242 | |
243 | return Res; |
244 | } |
245 | |
246 | bool Parser::isNotExpressionStart() { |
247 | tok::TokenKind K = Tok.getKind(); |
248 | if (K == tok::l_brace || K == tok::r_brace || |
249 | K == tok::kw_for || K == tok::kw_while || |
250 | K == tok::kw_if || K == tok::kw_else || |
251 | K == tok::kw_goto || K == tok::kw_try) |
252 | return true; |
253 | |
254 | return isKnownToBeDeclarationSpecifier(); |
255 | } |
256 | |
257 | bool Parser::isFoldOperator(prec::Level Level) const { |
258 | return Level > prec::Unknown && Level != prec::Conditional && |
259 | Level != prec::Spaceship; |
260 | } |
261 | |
262 | bool Parser::isFoldOperator(tok::TokenKind Kind) const { |
263 | return isFoldOperator(getBinOpPrecedence(Kind, GreaterThanIsOperator, true)); |
264 | } |
265 | |
266 | |
267 | |
268 | ExprResult |
269 | Parser::ParseRHSOfBinaryExpression(ExprResult LHS, prec::Level MinPrec) { |
270 | prec::Level NextTokPrec = getBinOpPrecedence(Tok.getKind(), |
271 | GreaterThanIsOperator, |
272 | getLangOpts().CPlusPlus11); |
273 | SourceLocation ColonLoc; |
274 | |
275 | auto SavedType = PreferredType; |
276 | while (1) { |
277 | |
278 | PreferredType = SavedType; |
279 | |
280 | |
281 | |
282 | if (NextTokPrec < MinPrec) |
283 | return LHS; |
284 | |
285 | |
286 | Token OpToken = Tok; |
287 | ConsumeToken(); |
288 | |
289 | if (OpToken.is(tok::caretcaret)) { |
290 | return ExprError(Diag(Tok, diag::err_opencl_logical_exclusive_or)); |
291 | } |
292 | |
293 | |
294 | |
295 | if (OpToken.isOneOf(tok::comma, tok::greater, tok::greatergreater, |
296 | tok::greatergreatergreater) && |
297 | checkPotentialAngleBracketDelimiter(OpToken)) |
298 | return ExprError(); |
299 | |
300 | |
301 | |
302 | |
303 | |
304 | |
305 | if (OpToken.is(tok::comma) && isNotExpressionStart()) { |
306 | PP.EnterToken(Tok); |
307 | Tok = OpToken; |
308 | return LHS; |
309 | } |
310 | |
311 | |
312 | |
313 | if (isFoldOperator(NextTokPrec) && Tok.is(tok::ellipsis)) { |
314 | |
315 | |
316 | PP.EnterToken(Tok); |
317 | Tok = OpToken; |
318 | return LHS; |
319 | } |
320 | |
321 | |
322 | |
323 | |
324 | |
325 | |
326 | if (getLangOpts().ObjC && getLangOpts().CPlusPlus && |
327 | Tok.isOneOf(tok::colon, tok::r_square) && |
328 | OpToken.getIdentifierInfo() != nullptr) { |
329 | PP.EnterToken(Tok); |
330 | Tok = OpToken; |
331 | return LHS; |
332 | } |
333 | |
334 | |
335 | ExprResult TernaryMiddle(true); |
336 | if (NextTokPrec == prec::Conditional) { |
337 | if (getLangOpts().CPlusPlus11 && Tok.is(tok::l_brace)) { |
338 | |
339 | SourceLocation BraceLoc = Tok.getLocation(); |
340 | TernaryMiddle = ParseBraceInitializer(); |
341 | if (!TernaryMiddle.isInvalid()) { |
342 | Diag(BraceLoc, diag::err_init_list_bin_op) |
343 | << 1 << PP.getSpelling(OpToken) |
344 | << Actions.getExprRange(TernaryMiddle.get()); |
345 | TernaryMiddle = ExprError(); |
346 | } |
347 | } else if (Tok.isNot(tok::colon)) { |
348 | |
349 | ColonProtectionRAIIObject X(*this); |
350 | |
351 | |
352 | |
353 | |
354 | |
355 | TernaryMiddle = ParseExpression(); |
356 | } else { |
357 | |
358 | |
359 | TernaryMiddle = nullptr; |
360 | Diag(Tok, diag::ext_gnu_conditional_expr); |
361 | } |
362 | |
363 | if (TernaryMiddle.isInvalid()) { |
364 | Actions.CorrectDelayedTyposInExpr(LHS); |
365 | LHS = ExprError(); |
366 | TernaryMiddle = nullptr; |
367 | } |
368 | |
369 | if (!TryConsumeToken(tok::colon, ColonLoc)) { |
370 | |
371 | |
372 | |
373 | |
374 | SourceLocation FILoc = Tok.getLocation(); |
375 | const char *FIText = ": "; |
376 | const SourceManager &SM = PP.getSourceManager(); |
377 | if (FILoc.isFileID() || PP.isAtStartOfMacroExpansion(FILoc, &FILoc)) { |
378 | assert(FILoc.isFileID()); |
379 | bool IsInvalid = false; |
380 | const char *SourcePtr = |
381 | SM.getCharacterData(FILoc.getLocWithOffset(-1), &IsInvalid); |
382 | if (!IsInvalid && *SourcePtr == ' ') { |
383 | SourcePtr = |
384 | SM.getCharacterData(FILoc.getLocWithOffset(-2), &IsInvalid); |
385 | if (!IsInvalid && *SourcePtr == ' ') { |
386 | FILoc = FILoc.getLocWithOffset(-1); |
387 | FIText = ":"; |
388 | } |
389 | } |
390 | } |
391 | |
392 | Diag(Tok, diag::err_expected) |
393 | << tok::colon << FixItHint::CreateInsertion(FILoc, FIText); |
394 | Diag(OpToken, diag::note_matching) << tok::question; |
395 | ColonLoc = Tok.getLocation(); |
396 | } |
397 | } |
398 | |
399 | PreferredType.enterBinary(Actions, Tok.getLocation(), LHS.get(), |
400 | OpToken.getKind()); |
401 | |
402 | |
403 | |
404 | |
405 | |
406 | |
407 | |
408 | |
409 | |
410 | |
411 | ExprResult RHS; |
412 | bool RHSIsInitList = false; |
413 | if (getLangOpts().CPlusPlus11 && Tok.is(tok::l_brace)) { |
414 | RHS = ParseBraceInitializer(); |
415 | RHSIsInitList = true; |
416 | } else if (getLangOpts().CPlusPlus && NextTokPrec <= prec::Conditional) |
417 | RHS = ParseAssignmentExpression(); |
418 | else |
419 | RHS = ParseCastExpression(false); |
420 | |
421 | if (RHS.isInvalid()) { |
422 | |
423 | |
424 | Actions.CorrectDelayedTyposInExpr(LHS); |
425 | if (TernaryMiddle.isUsable()) |
426 | TernaryMiddle = Actions.CorrectDelayedTyposInExpr(TernaryMiddle); |
427 | LHS = ExprError(); |
428 | } |
429 | |
430 | |
431 | |
432 | prec::Level ThisPrec = NextTokPrec; |
433 | NextTokPrec = getBinOpPrecedence(Tok.getKind(), GreaterThanIsOperator, |
434 | getLangOpts().CPlusPlus11); |
435 | |
436 | |
437 | bool isRightAssoc = ThisPrec == prec::Conditional || |
438 | ThisPrec == prec::Assignment; |
439 | |
440 | |
441 | |
442 | if (ThisPrec < NextTokPrec || |
443 | (ThisPrec == NextTokPrec && isRightAssoc)) { |
444 | if (!RHS.isInvalid() && RHSIsInitList) { |
445 | Diag(Tok, diag::err_init_list_bin_op) |
446 | << << PP.getSpelling(Tok) << Actions.getExprRange(RHS.get()); |
447 | RHS = ExprError(); |
448 | } |
449 | |
450 | |
451 | |
452 | |
453 | |
454 | RHS = ParseRHSOfBinaryExpression(RHS, |
455 | static_cast<prec::Level>(ThisPrec + !isRightAssoc)); |
456 | RHSIsInitList = false; |
457 | |
458 | if (RHS.isInvalid()) { |
459 | |
460 | |
461 | Actions.CorrectDelayedTyposInExpr(LHS); |
462 | if (TernaryMiddle.isUsable()) |
463 | TernaryMiddle = Actions.CorrectDelayedTyposInExpr(TernaryMiddle); |
464 | LHS = ExprError(); |
465 | } |
466 | |
467 | NextTokPrec = getBinOpPrecedence(Tok.getKind(), GreaterThanIsOperator, |
468 | getLangOpts().CPlusPlus11); |
469 | } |
470 | |
471 | if (!RHS.isInvalid() && RHSIsInitList) { |
472 | if (ThisPrec == prec::Assignment) { |
473 | Diag(OpToken, diag::warn_cxx98_compat_generalized_initializer_lists) |
474 | << Actions.getExprRange(RHS.get()); |
475 | } else if (ColonLoc.isValid()) { |
476 | Diag(ColonLoc, diag::err_init_list_bin_op) |
477 | << << ":" |
478 | << Actions.getExprRange(RHS.get()); |
479 | LHS = ExprError(); |
480 | } else { |
481 | Diag(OpToken, diag::err_init_list_bin_op) |
482 | << << PP.getSpelling(OpToken) |
483 | << Actions.getExprRange(RHS.get()); |
484 | LHS = ExprError(); |
485 | } |
486 | } |
487 | |
488 | ExprResult OrigLHS = LHS; |
489 | if (!LHS.isInvalid()) { |
490 | |
491 | if (TernaryMiddle.isInvalid()) { |
492 | |
493 | |
494 | |
495 | if (!GreaterThanIsOperator && OpToken.is(tok::greatergreater)) |
496 | SuggestParentheses(OpToken.getLocation(), |
497 | diag::warn_cxx11_right_shift_in_template_arg, |
498 | SourceRange(Actions.getExprRange(LHS.get()).getBegin(), |
499 | Actions.getExprRange(RHS.get()).getEnd())); |
500 | |
501 | LHS = Actions.ActOnBinOp(getCurScope(), OpToken.getLocation(), |
502 | OpToken.getKind(), LHS.get(), RHS.get()); |
503 | |
504 | } else { |
505 | LHS = Actions.ActOnConditionalOp(OpToken.getLocation(), ColonLoc, |
506 | LHS.get(), TernaryMiddle.get(), |
507 | RHS.get()); |
508 | } |
509 | |
510 | |
511 | if (!getLangOpts().CPlusPlus) |
512 | continue; |
513 | } |
514 | |
515 | |
516 | if (LHS.isInvalid()) { |
517 | Actions.CorrectDelayedTyposInExpr(OrigLHS); |
518 | Actions.CorrectDelayedTyposInExpr(TernaryMiddle); |
519 | Actions.CorrectDelayedTyposInExpr(RHS); |
520 | } |
521 | } |
522 | } |
523 | |
524 | |
525 | |
526 | |
527 | |
528 | |
529 | |
530 | ExprResult Parser::ParseCastExpression(bool isUnaryExpression, |
531 | bool isAddressOfOperand, |
532 | TypeCastState isTypeCast, |
533 | bool isVectorLiteral) { |
534 | bool NotCastExpr; |
535 | ExprResult Res = ParseCastExpression(isUnaryExpression, |
536 | isAddressOfOperand, |
537 | NotCastExpr, |
538 | isTypeCast, |
539 | isVectorLiteral); |
540 | if (NotCastExpr) |
541 | Diag(Tok, diag::err_expected_expression); |
542 | return Res; |
543 | } |
544 | |
545 | namespace { |
546 | class CastExpressionIdValidator final : public CorrectionCandidateCallback { |
547 | public: |
548 | CastExpressionIdValidator(Token Next, bool AllowTypes, bool AllowNonTypes) |
549 | : NextToken(Next), AllowNonTypes(AllowNonTypes) { |
550 | WantTypeSpecifiers = WantFunctionLikeCasts = AllowTypes; |
551 | } |
552 | |
553 | bool ValidateCandidate(const TypoCorrection &candidate) override { |
554 | NamedDecl *ND = candidate.getCorrectionDecl(); |
555 | if (!ND) |
556 | return candidate.isKeyword(); |
557 | |
558 | if (isa<TypeDecl>(ND)) |
559 | return WantTypeSpecifiers; |
560 | |
561 | if (!AllowNonTypes || !CorrectionCandidateCallback::ValidateCandidate(candidate)) |
562 | return false; |
563 | |
564 | if (!NextToken.isOneOf(tok::equal, tok::arrow, tok::period)) |
565 | return true; |
566 | |
567 | for (auto *C : candidate) { |
568 | NamedDecl *ND = C->getUnderlyingDecl(); |
569 | if (isa<ValueDecl>(ND) && !isa<FunctionDecl>(ND)) |
570 | return true; |
571 | } |
572 | return false; |
573 | } |
574 | |
575 | std::unique_ptr<CorrectionCandidateCallback> clone() override { |
576 | return llvm::make_unique<CastExpressionIdValidator>(*this); |
577 | } |
578 | |
579 | private: |
580 | Token NextToken; |
581 | bool AllowNonTypes; |
582 | }; |
583 | } |
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760 | ExprResult Parser::ParseCastExpression(bool isUnaryExpression, |
761 | bool isAddressOfOperand, |
762 | bool &NotCastExpr, |
763 | TypeCastState isTypeCast, |
764 | bool isVectorLiteral) { |
765 | ExprResult Res; |
766 | tok::TokenKind SavedKind = Tok.getKind(); |
767 | auto SavedType = PreferredType; |
768 | NotCastExpr = false; |
769 | |
770 | |
771 | |
772 | |
773 | |
774 | |
775 | |
776 | |
777 | |
778 | |
779 | |
780 | |
781 | switch (SavedKind) { |
782 | case tok::l_paren: { |
783 | |
784 | |
785 | ParenParseOption ParenExprType = |
786 | (isUnaryExpression && !getLangOpts().CPlusPlus) ? CompoundLiteral |
787 | : CastExpr; |
788 | ParsedType CastTy; |
789 | SourceLocation RParenLoc; |
790 | Res = ParseParenExpression(ParenExprType, false, |
791 | isTypeCast == IsTypeCast, CastTy, RParenLoc); |
792 | |
793 | if (isVectorLiteral) |
794 | return Res; |
795 | |
796 | switch (ParenExprType) { |
797 | case SimpleExpr: break; |
798 | case CompoundStmt: break; |
799 | case CompoundLiteral: |
800 | |
801 | |
802 | break; |
803 | case CastExpr: |
804 | |
805 | |
806 | return Res; |
807 | case FoldExpr: |
808 | |
809 | |
810 | break; |
811 | } |
812 | |
813 | break; |
814 | } |
815 | |
816 | |
817 | case tok::numeric_constant: |
818 | |
819 | |
820 | |
821 | Res = Actions.ActOnNumericConstant(Tok, ()); |
822 | ConsumeToken(); |
823 | break; |
824 | |
825 | case tok::kw_true: |
826 | case tok::kw_false: |
827 | Res = ParseCXXBoolLiteral(); |
828 | break; |
829 | |
830 | case tok::kw___objc_yes: |
831 | case tok::kw___objc_no: |
832 | return ParseObjCBoolLiteral(); |
833 | |
834 | case tok::kw_nullptr: |
835 | Diag(Tok, diag::warn_cxx98_compat_nullptr); |
836 | return Actions.ActOnCXXNullPtrLiteral(ConsumeToken()); |
837 | |
838 | case tok::annot_primary_expr: |
839 | (0) . __assert_fail ("Res.get() == nullptr && \"Stray primary-expression annotation?\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 839, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Res.get() == nullptr && "Stray primary-expression annotation?"); |
840 | Res = getExprAnnotation(Tok); |
841 | ConsumeAnnotationToken(); |
842 | if (!Res.isInvalid() && Tok.is(tok::less)) |
843 | checkPotentialAngleBracket(Res); |
844 | break; |
845 | |
846 | case tok::kw___super: |
847 | case tok::kw_decltype: |
848 | |
849 | if (TryAnnotateTypeOrScopeToken()) |
850 | return ExprError(); |
851 | assert(Tok.isNot(tok::kw_decltype) && Tok.isNot(tok::kw___super)); |
852 | return ParseCastExpression(isUnaryExpression, isAddressOfOperand); |
853 | |
854 | case tok::identifier: { |
855 | |
856 | |
857 | |
858 | |
859 | if (getLangOpts().CPlusPlus) { |
860 | |
861 | |
862 | const Token &Next = NextToken(); |
863 | |
864 | |
865 | |
866 | |
867 | if (Next.is(tok::l_paren) && |
868 | Tok.is(tok::identifier) && |
869 | Tok.getIdentifierInfo()->hasRevertedTokenIDToIdentifier()) { |
870 | IdentifierInfo *II = Tok.getIdentifierInfo(); |
871 | |
872 | if (RevertibleTypeTraits.empty()) { |
873 | #define RTT_JOIN(X,Y) X##Y |
874 | #define REVERTIBLE_TYPE_TRAIT(Name) \ |
875 | RevertibleTypeTraits[PP.getIdentifierInfo(#Name)] \ |
876 | = RTT_JOIN(tok::kw_,Name) |
877 | |
878 | REVERTIBLE_TYPE_TRAIT(__is_abstract); |
879 | REVERTIBLE_TYPE_TRAIT(__is_aggregate); |
880 | REVERTIBLE_TYPE_TRAIT(__is_arithmetic); |
881 | REVERTIBLE_TYPE_TRAIT(__is_array); |
882 | REVERTIBLE_TYPE_TRAIT(__is_assignable); |
883 | REVERTIBLE_TYPE_TRAIT(__is_base_of); |
884 | REVERTIBLE_TYPE_TRAIT(__is_class); |
885 | REVERTIBLE_TYPE_TRAIT(__is_complete_type); |
886 | REVERTIBLE_TYPE_TRAIT(__is_compound); |
887 | REVERTIBLE_TYPE_TRAIT(__is_const); |
888 | REVERTIBLE_TYPE_TRAIT(__is_constructible); |
889 | REVERTIBLE_TYPE_TRAIT(__is_convertible); |
890 | REVERTIBLE_TYPE_TRAIT(__is_convertible_to); |
891 | REVERTIBLE_TYPE_TRAIT(__is_destructible); |
892 | REVERTIBLE_TYPE_TRAIT(__is_empty); |
893 | REVERTIBLE_TYPE_TRAIT(__is_enum); |
894 | REVERTIBLE_TYPE_TRAIT(__is_floating_point); |
895 | REVERTIBLE_TYPE_TRAIT(__is_final); |
896 | REVERTIBLE_TYPE_TRAIT(__is_function); |
897 | REVERTIBLE_TYPE_TRAIT(__is_fundamental); |
898 | REVERTIBLE_TYPE_TRAIT(__is_integral); |
899 | REVERTIBLE_TYPE_TRAIT(__is_interface_class); |
900 | REVERTIBLE_TYPE_TRAIT(__is_literal); |
901 | REVERTIBLE_TYPE_TRAIT(__is_lvalue_expr); |
902 | REVERTIBLE_TYPE_TRAIT(__is_lvalue_reference); |
903 | REVERTIBLE_TYPE_TRAIT(__is_member_function_pointer); |
904 | REVERTIBLE_TYPE_TRAIT(__is_member_object_pointer); |
905 | REVERTIBLE_TYPE_TRAIT(__is_member_pointer); |
906 | REVERTIBLE_TYPE_TRAIT(__is_nothrow_assignable); |
907 | REVERTIBLE_TYPE_TRAIT(__is_nothrow_constructible); |
908 | REVERTIBLE_TYPE_TRAIT(__is_nothrow_destructible); |
909 | REVERTIBLE_TYPE_TRAIT(__is_object); |
910 | REVERTIBLE_TYPE_TRAIT(__is_pod); |
911 | REVERTIBLE_TYPE_TRAIT(__is_pointer); |
912 | REVERTIBLE_TYPE_TRAIT(__is_polymorphic); |
913 | REVERTIBLE_TYPE_TRAIT(__is_reference); |
914 | REVERTIBLE_TYPE_TRAIT(__is_rvalue_expr); |
915 | REVERTIBLE_TYPE_TRAIT(__is_rvalue_reference); |
916 | REVERTIBLE_TYPE_TRAIT(__is_same); |
917 | REVERTIBLE_TYPE_TRAIT(__is_scalar); |
918 | REVERTIBLE_TYPE_TRAIT(__is_sealed); |
919 | REVERTIBLE_TYPE_TRAIT(__is_signed); |
920 | REVERTIBLE_TYPE_TRAIT(__is_standard_layout); |
921 | REVERTIBLE_TYPE_TRAIT(__is_trivial); |
922 | REVERTIBLE_TYPE_TRAIT(__is_trivially_assignable); |
923 | REVERTIBLE_TYPE_TRAIT(__is_trivially_constructible); |
924 | REVERTIBLE_TYPE_TRAIT(__is_trivially_copyable); |
925 | REVERTIBLE_TYPE_TRAIT(__is_union); |
926 | REVERTIBLE_TYPE_TRAIT(__is_unsigned); |
927 | REVERTIBLE_TYPE_TRAIT(__is_void); |
928 | REVERTIBLE_TYPE_TRAIT(__is_volatile); |
929 | #undef REVERTIBLE_TYPE_TRAIT |
930 | #undef RTT_JOIN |
931 | } |
932 | |
933 | |
934 | |
935 | |
936 | llvm::SmallDenseMap<IdentifierInfo *, tok::TokenKind>::iterator Known |
937 | = RevertibleTypeTraits.find(II); |
938 | if (Known != RevertibleTypeTraits.end()) { |
939 | Tok.setKind(Known->second); |
940 | return ParseCastExpression(isUnaryExpression, isAddressOfOperand, |
941 | NotCastExpr, isTypeCast); |
942 | } |
943 | } |
944 | |
945 | if ((!ColonIsSacred && Next.is(tok::colon)) || |
946 | Next.isOneOf(tok::coloncolon, tok::less, tok::l_paren, |
947 | tok::l_brace)) { |
948 | |
949 | if (TryAnnotateTypeOrScopeToken()) |
950 | return ExprError(); |
951 | if (!Tok.is(tok::identifier)) |
952 | return ParseCastExpression(isUnaryExpression, isAddressOfOperand); |
953 | } |
954 | } |
955 | |
956 | |
957 | |
958 | IdentifierInfo &II = *Tok.getIdentifierInfo(); |
959 | SourceLocation ILoc = ConsumeToken(); |
960 | |
961 | |
962 | if (getLangOpts().ObjC && Tok.is(tok::period) && |
963 | (Actions.getTypeName(II, ILoc, getCurScope()) || |
964 | |
965 | (&II == Ident_super && getCurScope()->isInObjcMethodScope()))) { |
966 | ConsumeToken(); |
967 | |
968 | if (Tok.is(tok::code_completion) && &II != Ident_super) { |
969 | Actions.CodeCompleteObjCClassPropertyRefExpr( |
970 | getCurScope(), II, ILoc, ExprStatementTokLoc == ILoc); |
971 | cutOffParsing(); |
972 | return ExprError(); |
973 | } |
974 | |
975 | if (Tok.isNot(tok::identifier) && |
976 | !(getLangOpts().CPlusPlus && Tok.is(tok::kw_class))) { |
977 | Diag(Tok, diag::err_expected_property_name); |
978 | return ExprError(); |
979 | } |
980 | IdentifierInfo &PropertyName = *Tok.getIdentifierInfo(); |
981 | SourceLocation PropertyLoc = ConsumeToken(); |
982 | |
983 | Res = Actions.ActOnClassPropertyRefExpr(II, PropertyName, |
984 | ILoc, PropertyLoc); |
985 | break; |
986 | } |
987 | |
988 | |
989 | |
990 | |
991 | |
992 | if (getLangOpts().ObjC && &II == Ident_super && !InMessageExpression && |
993 | getCurScope()->isInObjcMethodScope() && |
994 | ((Tok.is(tok::identifier) && |
995 | (NextToken().is(tok::colon) || NextToken().is(tok::r_square))) || |
996 | Tok.is(tok::code_completion))) { |
997 | Res = ParseObjCMessageExpressionBody(SourceLocation(), ILoc, nullptr, |
998 | nullptr); |
999 | break; |
1000 | } |
1001 | |
1002 | |
1003 | |
1004 | |
1005 | |
1006 | |
1007 | if (getLangOpts().ObjC && |
1008 | ((Tok.is(tok::identifier) && !InMessageExpression) || |
1009 | Tok.is(tok::code_completion))) { |
1010 | const Token& Next = NextToken(); |
1011 | if (Tok.is(tok::code_completion) || |
1012 | Next.is(tok::colon) || Next.is(tok::r_square)) |
1013 | if (ParsedType Typ = Actions.getTypeName(II, ILoc, getCurScope())) |
1014 | if (Typ.get()->isObjCObjectOrInterfaceType()) { |
1015 | |
1016 | DeclSpec DS(AttrFactory); |
1017 | DS.SetRangeStart(ILoc); |
1018 | DS.SetRangeEnd(ILoc); |
1019 | const char *PrevSpec = nullptr; |
1020 | unsigned DiagID; |
1021 | DS.SetTypeSpecType(TST_typename, ILoc, PrevSpec, DiagID, Typ, |
1022 | Actions.getASTContext().getPrintingPolicy()); |
1023 | |
1024 | Declarator DeclaratorInfo(DS, DeclaratorContext::TypeNameContext); |
1025 | TypeResult Ty = Actions.ActOnTypeName(getCurScope(), |
1026 | DeclaratorInfo); |
1027 | if (Ty.isInvalid()) |
1028 | break; |
1029 | |
1030 | Res = ParseObjCMessageExpressionBody(SourceLocation(), |
1031 | SourceLocation(), |
1032 | Ty.get(), nullptr); |
1033 | break; |
1034 | } |
1035 | } |
1036 | |
1037 | |
1038 | if (isAddressOfOperand && isPostfixExpressionSuffixStart()) |
1039 | isAddressOfOperand = false; |
1040 | |
1041 | |
1042 | |
1043 | |
1044 | UnqualifiedId Name; |
1045 | CXXScopeSpec ScopeSpec; |
1046 | SourceLocation TemplateKWLoc; |
1047 | Token Replacement; |
1048 | CastExpressionIdValidator Validator( |
1049 | , |
1050 | != NotTypeCast, |
1051 | != IsTypeCast); |
1052 | Validator.IsAddressOfOperand = isAddressOfOperand; |
1053 | if (Tok.isOneOf(tok::periodstar, tok::arrowstar)) { |
1054 | Validator.WantExpressionKeywords = false; |
1055 | Validator.WantRemainingKeywords = false; |
1056 | } else { |
1057 | Validator.WantRemainingKeywords = Tok.isNot(tok::r_paren); |
1058 | } |
1059 | Name.setIdentifier(&II, ILoc); |
1060 | Res = Actions.ActOnIdExpression( |
1061 | getCurScope(), ScopeSpec, TemplateKWLoc, Name, Tok.is(tok::l_paren), |
1062 | isAddressOfOperand, &Validator, |
1063 | , |
1064 | Tok.is(tok::r_paren) ? nullptr : &Replacement); |
1065 | if (!Res.isInvalid() && Res.isUnset()) { |
1066 | UnconsumeToken(Replacement); |
1067 | return ParseCastExpression(isUnaryExpression, isAddressOfOperand, |
1068 | NotCastExpr, isTypeCast); |
1069 | } |
1070 | if (!Res.isInvalid() && Tok.is(tok::less)) |
1071 | checkPotentialAngleBracket(Res); |
1072 | break; |
1073 | } |
1074 | case tok::char_constant: |
1075 | case tok::wide_char_constant: |
1076 | case tok::utf8_char_constant: |
1077 | case tok::utf16_char_constant: |
1078 | case tok::utf32_char_constant: |
1079 | Res = Actions.ActOnCharacterConstant(Tok, ()); |
1080 | ConsumeToken(); |
1081 | break; |
1082 | case tok::kw___func__: |
1083 | case tok::kw___FUNCTION__: |
1084 | case tok::kw___FUNCDNAME__: |
1085 | case tok::kw___FUNCSIG__: |
1086 | case tok::kw_L__FUNCTION__: |
1087 | case tok::kw_L__FUNCSIG__: |
1088 | case tok::kw___PRETTY_FUNCTION__: |
1089 | Res = Actions.ActOnPredefinedExpr(Tok.getLocation(), SavedKind); |
1090 | ConsumeToken(); |
1091 | break; |
1092 | case tok::string_literal: |
1093 | case tok::wide_string_literal: |
1094 | case tok::utf8_string_literal: |
1095 | case tok::utf16_string_literal: |
1096 | case tok::utf32_string_literal: |
1097 | Res = ParseStringLiteralExpression(true); |
1098 | break; |
1099 | case tok::kw__Generic: |
1100 | Res = ParseGenericSelectionExpression(); |
1101 | break; |
1102 | case tok::kw___builtin_available: |
1103 | return ParseAvailabilityCheckExpr(Tok.getLocation()); |
1104 | case tok::kw___builtin_va_arg: |
1105 | case tok::kw___builtin_offsetof: |
1106 | case tok::kw___builtin_choose_expr: |
1107 | case tok::kw___builtin_astype: |
1108 | case tok::kw___builtin_convertvector: |
1109 | return ParseBuiltinPrimaryExpression(); |
1110 | case tok::kw___null: |
1111 | return Actions.ActOnGNUNullExpr(ConsumeToken()); |
1112 | |
1113 | case tok::plusplus: |
1114 | case tok::minusminus: { |
1115 | |
1116 | |
1117 | |
1118 | |
1119 | Token SavedTok = Tok; |
1120 | ConsumeToken(); |
1121 | |
1122 | PreferredType.enterUnary(Actions, Tok.getLocation(), SavedTok.getKind(), |
1123 | SavedTok.getLocation()); |
1124 | |
1125 | |
1126 | |
1127 | Res = ParseCastExpression(!getLangOpts().CPlusPlus, |
1128 | , NotCastExpr, |
1129 | NotTypeCast); |
1130 | if (NotCastExpr) { |
1131 | |
1132 | |
1133 | assert(Res.isInvalid()); |
1134 | UnconsumeToken(SavedTok); |
1135 | return ExprError(); |
1136 | } |
1137 | if (!Res.isInvalid()) |
1138 | Res = Actions.ActOnUnaryOp(getCurScope(), SavedTok.getLocation(), |
1139 | SavedKind, Res.get()); |
1140 | return Res; |
1141 | } |
1142 | case tok::amp: { |
1143 | |
1144 | SourceLocation SavedLoc = ConsumeToken(); |
1145 | PreferredType.enterUnary(Actions, Tok.getLocation(), tok::amp, SavedLoc); |
1146 | Res = ParseCastExpression(false, true); |
1147 | if (!Res.isInvalid()) |
1148 | Res = Actions.ActOnUnaryOp(getCurScope(), SavedLoc, SavedKind, Res.get()); |
1149 | return Res; |
1150 | } |
1151 | |
1152 | case tok::star: |
1153 | case tok::plus: |
1154 | case tok::minus: |
1155 | case tok::tilde: |
1156 | case tok::exclaim: |
1157 | case tok::kw___real: |
1158 | case tok::kw___imag: { |
1159 | SourceLocation SavedLoc = ConsumeToken(); |
1160 | PreferredType.enterUnary(Actions, Tok.getLocation(), SavedKind, SavedLoc); |
1161 | Res = ParseCastExpression(false); |
1162 | if (!Res.isInvalid()) |
1163 | Res = Actions.ActOnUnaryOp(getCurScope(), SavedLoc, SavedKind, Res.get()); |
1164 | return Res; |
1165 | } |
1166 | |
1167 | case tok::kw_co_await: { |
1168 | SourceLocation CoawaitLoc = ConsumeToken(); |
1169 | Res = ParseCastExpression(false); |
1170 | if (!Res.isInvalid()) |
1171 | Res = Actions.ActOnCoawaitExpr(getCurScope(), CoawaitLoc, Res.get()); |
1172 | return Res; |
1173 | } |
1174 | |
1175 | case tok::kw___extension__:{ |
1176 | |
1177 | ExtensionRAIIObject O(Diags); |
1178 | SourceLocation SavedLoc = ConsumeToken(); |
1179 | Res = ParseCastExpression(false); |
1180 | if (!Res.isInvalid()) |
1181 | Res = Actions.ActOnUnaryOp(getCurScope(), SavedLoc, SavedKind, Res.get()); |
1182 | return Res; |
1183 | } |
1184 | case tok::kw__Alignof: |
1185 | if (!getLangOpts().C11) |
1186 | Diag(Tok, diag::ext_c11_alignment) << Tok.getName(); |
1187 | LLVM_FALLTHROUGH; |
1188 | case tok::kw_alignof: |
1189 | case tok::kw___alignof: |
1190 | |
1191 | case tok::kw_sizeof: |
1192 | |
1193 | case tok::kw_vec_step: |
1194 | |
1195 | case tok::kw___builtin_omp_required_simd_align: |
1196 | return ParseUnaryExprOrTypeTraitExpression(); |
1197 | case tok::ampamp: { |
1198 | SourceLocation AmpAmpLoc = ConsumeToken(); |
1199 | if (Tok.isNot(tok::identifier)) |
1200 | return ExprError(Diag(Tok, diag::err_expected) << tok::identifier); |
1201 | |
1202 | if (getCurScope()->getFnParent() == nullptr) |
1203 | return ExprError(Diag(Tok, diag::err_address_of_label_outside_fn)); |
1204 | |
1205 | Diag(AmpAmpLoc, diag::ext_gnu_address_of_label); |
1206 | LabelDecl *LD = Actions.LookupOrCreateLabel(Tok.getIdentifierInfo(), |
1207 | Tok.getLocation()); |
1208 | Res = Actions.ActOnAddrLabel(AmpAmpLoc, Tok.getLocation(), LD); |
1209 | ConsumeToken(); |
1210 | return Res; |
1211 | } |
1212 | case tok::kw_const_cast: |
1213 | case tok::kw_dynamic_cast: |
1214 | case tok::kw_reinterpret_cast: |
1215 | case tok::kw_static_cast: |
1216 | Res = ParseCXXCasts(); |
1217 | break; |
1218 | case tok::kw_typeid: |
1219 | Res = ParseCXXTypeid(); |
1220 | break; |
1221 | case tok::kw___uuidof: |
1222 | Res = ParseCXXUuidof(); |
1223 | break; |
1224 | case tok::kw_this: |
1225 | Res = ParseCXXThis(); |
1226 | break; |
1227 | |
1228 | case tok::annot_typename: |
1229 | if (isStartOfObjCClassMessageMissingOpenBracket()) { |
1230 | ParsedType Type = getTypeAnnotation(Tok); |
1231 | |
1232 | |
1233 | DeclSpec DS(AttrFactory); |
1234 | DS.SetRangeStart(Tok.getLocation()); |
1235 | DS.SetRangeEnd(Tok.getLastLoc()); |
1236 | |
1237 | const char *PrevSpec = nullptr; |
1238 | unsigned DiagID; |
1239 | DS.SetTypeSpecType(TST_typename, Tok.getAnnotationEndLoc(), |
1240 | PrevSpec, DiagID, Type, |
1241 | Actions.getASTContext().getPrintingPolicy()); |
1242 | |
1243 | Declarator DeclaratorInfo(DS, DeclaratorContext::TypeNameContext); |
1244 | TypeResult Ty = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); |
1245 | if (Ty.isInvalid()) |
1246 | break; |
1247 | |
1248 | ConsumeAnnotationToken(); |
1249 | Res = ParseObjCMessageExpressionBody(SourceLocation(), SourceLocation(), |
1250 | Ty.get(), nullptr); |
1251 | break; |
1252 | } |
1253 | LLVM_FALLTHROUGH; |
1254 | |
1255 | case tok::annot_decltype: |
1256 | case tok::kw_char: |
1257 | case tok::kw_wchar_t: |
1258 | case tok::kw_char8_t: |
1259 | case tok::kw_char16_t: |
1260 | case tok::kw_char32_t: |
1261 | case tok::kw_bool: |
1262 | case tok::kw_short: |
1263 | case tok::kw_int: |
1264 | case tok::kw_long: |
1265 | case tok::kw___int64: |
1266 | case tok::kw___int128: |
1267 | case tok::kw_signed: |
1268 | case tok::kw_unsigned: |
1269 | case tok::kw_half: |
1270 | case tok::kw_float: |
1271 | case tok::kw_double: |
1272 | case tok::kw__Float16: |
1273 | case tok::kw___float128: |
1274 | case tok::kw_void: |
1275 | case tok::kw_typename: |
1276 | case tok::kw_typeof: |
1277 | case tok::kw___vector: |
1278 | #define GENERIC_IMAGE_TYPE(ImgType, Id) case tok::kw_##ImgType##_t: |
1279 | #include "clang/Basic/OpenCLImageTypes.def" |
1280 | { |
1281 | if (!getLangOpts().CPlusPlus) { |
1282 | Diag(Tok, diag::err_expected_expression); |
1283 | return ExprError(); |
1284 | } |
1285 | |
1286 | if (SavedKind == tok::kw_typename) { |
1287 | |
1288 | |
1289 | if (TryAnnotateTypeOrScopeToken()) |
1290 | return ExprError(); |
1291 | |
1292 | if (!Actions.isSimpleTypeSpecifier(Tok.getKind())) |
1293 | |
1294 | |
1295 | return ExprError(); |
1296 | } |
1297 | |
1298 | |
1299 | |
1300 | |
1301 | DeclSpec DS(AttrFactory); |
1302 | |
1303 | ParseCXXSimpleTypeSpecifier(DS); |
1304 | if (Tok.isNot(tok::l_paren) && |
1305 | (!getLangOpts().CPlusPlus11 || Tok.isNot(tok::l_brace))) |
1306 | return ExprError(Diag(Tok, diag::err_expected_lparen_after_type) |
1307 | << DS.getSourceRange()); |
1308 | |
1309 | if (Tok.is(tok::l_brace)) |
1310 | Diag(Tok, diag::warn_cxx98_compat_generalized_initializer_lists); |
1311 | |
1312 | Res = ParseCXXTypeConstructExpression(DS); |
1313 | break; |
1314 | } |
1315 | |
1316 | case tok::annot_cxxscope: { |
1317 | |
1318 | |
1319 | if (TryAnnotateTypeOrScopeToken()) |
1320 | return ExprError(); |
1321 | if (!Tok.is(tok::annot_cxxscope)) |
1322 | return ParseCastExpression(isUnaryExpression, isAddressOfOperand, |
1323 | NotCastExpr, isTypeCast); |
1324 | |
1325 | Token Next = NextToken(); |
1326 | if (Next.is(tok::annot_template_id)) { |
1327 | TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Next); |
1328 | if (TemplateId->Kind == TNK_Type_template) { |
1329 | |
1330 | |
1331 | |
1332 | CXXScopeSpec SS; |
1333 | ParseOptionalCXXScopeSpecifier(SS, nullptr, |
1334 | ); |
1335 | AnnotateTemplateIdTokenAsType(); |
1336 | return ParseCastExpression(isUnaryExpression, isAddressOfOperand, |
1337 | NotCastExpr, isTypeCast); |
1338 | } |
1339 | } |
1340 | |
1341 | |
1342 | Res = ParseCXXIdExpression(isAddressOfOperand); |
1343 | break; |
1344 | } |
1345 | |
1346 | case tok::annot_template_id: { |
1347 | TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); |
1348 | if (TemplateId->Kind == TNK_Type_template) { |
1349 | |
1350 | |
1351 | |
1352 | AnnotateTemplateIdTokenAsType(); |
1353 | return ParseCastExpression(isUnaryExpression, isAddressOfOperand, |
1354 | NotCastExpr, isTypeCast); |
1355 | } |
1356 | |
1357 | |
1358 | LLVM_FALLTHROUGH; |
1359 | } |
1360 | |
1361 | case tok::kw_operator: |
1362 | Res = ParseCXXIdExpression(isAddressOfOperand); |
1363 | break; |
1364 | |
1365 | case tok::coloncolon: { |
1366 | |
1367 | |
1368 | if (TryAnnotateTypeOrScopeToken()) |
1369 | return ExprError(); |
1370 | if (!Tok.is(tok::coloncolon)) |
1371 | return ParseCastExpression(isUnaryExpression, isAddressOfOperand); |
1372 | |
1373 | |
1374 | |
1375 | SourceLocation CCLoc = ConsumeToken(); |
1376 | if (Tok.is(tok::kw_new)) |
1377 | return ParseCXXNewExpression(true, CCLoc); |
1378 | if (Tok.is(tok::kw_delete)) |
1379 | return ParseCXXDeleteExpression(true, CCLoc); |
1380 | |
1381 | |
1382 | Diag(CCLoc, diag::err_expected_expression); |
1383 | return ExprError(); |
1384 | } |
1385 | |
1386 | case tok::kw_new: |
1387 | return ParseCXXNewExpression(false, Tok.getLocation()); |
1388 | |
1389 | case tok::kw_delete: |
1390 | return ParseCXXDeleteExpression(false, Tok.getLocation()); |
1391 | |
1392 | case tok::kw_noexcept: { |
1393 | Diag(Tok, diag::warn_cxx98_compat_noexcept_expr); |
1394 | SourceLocation KeyLoc = ConsumeToken(); |
1395 | BalancedDelimiterTracker T(*this, tok::l_paren); |
1396 | |
1397 | if (T.expectAndConsume(diag::err_expected_lparen_after, "noexcept")) |
1398 | return ExprError(); |
1399 | |
1400 | |
1401 | |
1402 | EnterExpressionEvaluationContext Unevaluated( |
1403 | Actions, Sema::ExpressionEvaluationContext::Unevaluated); |
1404 | ExprResult Result = ParseExpression(); |
1405 | |
1406 | T.consumeClose(); |
1407 | |
1408 | if (!Result.isInvalid()) |
1409 | Result = Actions.ActOnNoexceptExpr(KeyLoc, T.getOpenLocation(), |
1410 | Result.get(), T.getCloseLocation()); |
1411 | return Result; |
1412 | } |
1413 | |
1414 | #define TYPE_TRAIT(N,Spelling,K) \ |
1415 | case tok::kw_##Spelling: |
1416 | #include "clang/Basic/TokenKinds.def" |
1417 | return ParseTypeTrait(); |
1418 | |
1419 | case tok::kw___array_rank: |
1420 | case tok::kw___array_extent: |
1421 | return ParseArrayTypeTrait(); |
1422 | |
1423 | case tok::kw___is_lvalue_expr: |
1424 | case tok::kw___is_rvalue_expr: |
1425 | return ParseExpressionTrait(); |
1426 | |
1427 | case tok::at: { |
1428 | SourceLocation AtLoc = ConsumeToken(); |
1429 | return ParseObjCAtExpression(AtLoc); |
1430 | } |
1431 | case tok::caret: |
1432 | Res = ParseBlockLiteralExpression(); |
1433 | break; |
1434 | case tok::code_completion: { |
1435 | Actions.CodeCompleteExpression(getCurScope(), |
1436 | PreferredType.get(Tok.getLocation())); |
1437 | cutOffParsing(); |
1438 | return ExprError(); |
1439 | } |
1440 | case tok::l_square: |
1441 | if (getLangOpts().CPlusPlus11) { |
1442 | if (getLangOpts().ObjC) { |
1443 | |
1444 | |
1445 | |
1446 | |
1447 | |
1448 | Res = TryParseLambdaExpression(); |
1449 | if (!Res.isInvalid() && !Res.get()) |
1450 | Res = ParseObjCMessageExpression(); |
1451 | break; |
1452 | } |
1453 | Res = ParseLambdaExpression(); |
1454 | break; |
1455 | } |
1456 | if (getLangOpts().ObjC) { |
1457 | Res = ParseObjCMessageExpression(); |
1458 | break; |
1459 | } |
1460 | LLVM_FALLTHROUGH; |
1461 | default: |
1462 | NotCastExpr = true; |
1463 | return ExprError(); |
1464 | } |
1465 | |
1466 | |
1467 | |
1468 | |
1469 | |
1470 | |
1471 | PreferredType = SavedType; |
1472 | Res = ParsePostfixExpressionSuffix(Res); |
1473 | if (getLangOpts().OpenCL) |
1474 | if (Expr *PostfixExpr = Res.get()) { |
1475 | QualType Ty = PostfixExpr->getType(); |
1476 | if (!Ty.isNull() && Ty->isFunctionType()) { |
1477 | Diag(PostfixExpr->getExprLoc(), |
1478 | diag::err_opencl_taking_function_address_parser); |
1479 | return ExprError(); |
1480 | } |
1481 | } |
1482 | |
1483 | return Res; |
1484 | } |
1485 | |
1486 | |
1487 | |
1488 | |
1489 | |
1490 | |
1491 | |
1492 | |
1493 | |
1494 | |
1495 | |
1496 | |
1497 | |
1498 | |
1499 | |
1500 | |
1501 | |
1502 | |
1503 | |
1504 | |
1505 | |
1506 | ExprResult |
1507 | Parser::ParsePostfixExpressionSuffix(ExprResult LHS) { |
1508 | |
1509 | |
1510 | SourceLocation Loc; |
1511 | auto SavedType = PreferredType; |
1512 | while (1) { |
1513 | |
1514 | PreferredType = SavedType; |
1515 | switch (Tok.getKind()) { |
1516 | case tok::code_completion: |
1517 | if (InMessageExpression) |
1518 | return LHS; |
1519 | |
1520 | Actions.CodeCompletePostfixExpression( |
1521 | getCurScope(), LHS, PreferredType.get(Tok.getLocation())); |
1522 | cutOffParsing(); |
1523 | return ExprError(); |
1524 | |
1525 | case tok::identifier: |
1526 | |
1527 | |
1528 | |
1529 | if (getLangOpts().ObjC && !InMessageExpression && |
1530 | (NextToken().is(tok::colon) || NextToken().is(tok::r_square))) { |
1531 | LHS = ParseObjCMessageExpressionBody(SourceLocation(), SourceLocation(), |
1532 | nullptr, LHS.get()); |
1533 | break; |
1534 | } |
1535 | |
1536 | LLVM_FALLTHROUGH; |
1537 | |
1538 | default: |
1539 | return LHS; |
1540 | case tok::l_square: { |
1541 | |
1542 | |
1543 | |
1544 | |
1545 | |
1546 | |
1547 | if (getLangOpts().ObjC && Tok.isAtStartOfLine() && |
1548 | isSimpleObjCMessageExpression()) |
1549 | return LHS; |
1550 | |
1551 | |
1552 | |
1553 | if (CheckProhibitedCXX11Attribute()) { |
1554 | (void)Actions.CorrectDelayedTyposInExpr(LHS); |
1555 | return ExprError(); |
1556 | } |
1557 | |
1558 | BalancedDelimiterTracker T(*this, tok::l_square); |
1559 | T.consumeOpen(); |
1560 | Loc = T.getOpenLocation(); |
1561 | ExprResult Idx, Length; |
1562 | SourceLocation ColonLoc; |
1563 | PreferredType.enterSubscript(Actions, Tok.getLocation(), LHS.get()); |
1564 | if (getLangOpts().CPlusPlus11 && Tok.is(tok::l_brace)) { |
1565 | Diag(Tok, diag::warn_cxx98_compat_generalized_initializer_lists); |
1566 | Idx = ParseBraceInitializer(); |
1567 | } else if (getLangOpts().OpenMP) { |
1568 | ColonProtectionRAIIObject RAII(*this); |
1569 | |
1570 | if (!Tok.is(tok::colon)) { |
1571 | |
1572 | Idx = ParseExpression(); |
1573 | } |
1574 | if (Tok.is(tok::colon)) { |
1575 | |
1576 | ColonLoc = ConsumeToken(); |
1577 | if (Tok.isNot(tok::r_square)) |
1578 | Length = ParseExpression(); |
1579 | } |
1580 | } else |
1581 | Idx = ParseExpression(); |
1582 | |
1583 | SourceLocation RLoc = Tok.getLocation(); |
1584 | |
1585 | ExprResult OrigLHS = LHS; |
1586 | if (!LHS.isInvalid() && !Idx.isInvalid() && !Length.isInvalid() && |
1587 | Tok.is(tok::r_square)) { |
1588 | if (ColonLoc.isValid()) { |
1589 | LHS = Actions.ActOnOMPArraySectionExpr(LHS.get(), Loc, Idx.get(), |
1590 | ColonLoc, Length.get(), RLoc); |
1591 | } else { |
1592 | LHS = Actions.ActOnArraySubscriptExpr(getCurScope(), LHS.get(), Loc, |
1593 | Idx.get(), RLoc); |
1594 | } |
1595 | } else { |
1596 | LHS = ExprError(); |
1597 | } |
1598 | if (LHS.isInvalid()) { |
1599 | (void)Actions.CorrectDelayedTyposInExpr(OrigLHS); |
1600 | (void)Actions.CorrectDelayedTyposInExpr(Idx); |
1601 | (void)Actions.CorrectDelayedTyposInExpr(Length); |
1602 | LHS = ExprError(); |
1603 | Idx = ExprError(); |
1604 | } |
1605 | |
1606 | |
1607 | T.consumeClose(); |
1608 | break; |
1609 | } |
1610 | |
1611 | case tok::l_paren: |
1612 | case tok::lesslessless: { |
1613 | |
1614 | tok::TokenKind OpKind = Tok.getKind(); |
1615 | InMessageExpressionRAIIObject InMessage(*this, false); |
1616 | |
1617 | Expr *ExecConfig = nullptr; |
1618 | |
1619 | BalancedDelimiterTracker PT(*this, tok::l_paren); |
1620 | |
1621 | if (OpKind == tok::lesslessless) { |
1622 | ExprVector ExecConfigExprs; |
1623 | CommaLocsTy ExecConfigCommaLocs; |
1624 | SourceLocation OpenLoc = ConsumeToken(); |
1625 | |
1626 | if (ParseSimpleExpressionList(ExecConfigExprs, ExecConfigCommaLocs)) { |
1627 | (void)Actions.CorrectDelayedTyposInExpr(LHS); |
1628 | LHS = ExprError(); |
1629 | } |
1630 | |
1631 | SourceLocation CloseLoc; |
1632 | if (TryConsumeToken(tok::greatergreatergreater, CloseLoc)) { |
1633 | } else if (LHS.isInvalid()) { |
1634 | SkipUntil(tok::greatergreatergreater, StopAtSemi); |
1635 | } else { |
1636 | |
1637 | Diag(Tok, diag::err_expected) << tok::greatergreatergreater; |
1638 | Diag(OpenLoc, diag::note_matching) << tok::lesslessless; |
1639 | SkipUntil(tok::greatergreatergreater, StopAtSemi); |
1640 | LHS = ExprError(); |
1641 | } |
1642 | |
1643 | if (!LHS.isInvalid()) { |
1644 | if (ExpectAndConsume(tok::l_paren)) |
1645 | LHS = ExprError(); |
1646 | else |
1647 | Loc = PrevTokLocation; |
1648 | } |
1649 | |
1650 | if (!LHS.isInvalid()) { |
1651 | ExprResult ECResult = Actions.ActOnCUDAExecConfigExpr(getCurScope(), |
1652 | OpenLoc, |
1653 | ExecConfigExprs, |
1654 | CloseLoc); |
1655 | if (ECResult.isInvalid()) |
1656 | LHS = ExprError(); |
1657 | else |
1658 | ExecConfig = ECResult.get(); |
1659 | } |
1660 | } else { |
1661 | PT.consumeOpen(); |
1662 | Loc = PT.getOpenLocation(); |
1663 | } |
1664 | |
1665 | ExprVector ArgExprs; |
1666 | CommaLocsTy CommaLocs; |
1667 | auto RunSignatureHelp = [&]() -> QualType { |
1668 | QualType PreferredType = Actions.ProduceCallSignatureHelp( |
1669 | getCurScope(), LHS.get(), ArgExprs, PT.getOpenLocation()); |
1670 | CalledSignatureHelp = true; |
1671 | return PreferredType; |
1672 | }; |
1673 | if (OpKind == tok::l_paren || !LHS.isInvalid()) { |
1674 | if (Tok.isNot(tok::r_paren)) { |
1675 | if (ParseExpressionList(ArgExprs, CommaLocs, [&] { |
1676 | PreferredType.enterFunctionArgument(Tok.getLocation(), |
1677 | RunSignatureHelp); |
1678 | })) { |
1679 | (void)Actions.CorrectDelayedTyposInExpr(LHS); |
1680 | |
1681 | |
1682 | |
1683 | |
1684 | if (PP.isCodeCompletionReached() && !CalledSignatureHelp) |
1685 | RunSignatureHelp(); |
1686 | LHS = ExprError(); |
1687 | } else if (LHS.isInvalid()) { |
1688 | for (auto &E : ArgExprs) |
1689 | Actions.CorrectDelayedTyposInExpr(E); |
1690 | } |
1691 | } |
1692 | } |
1693 | |
1694 | |
1695 | if (LHS.isInvalid()) { |
1696 | SkipUntil(tok::r_paren, StopAtSemi); |
1697 | } else if (Tok.isNot(tok::r_paren)) { |
1698 | bool HadDelayedTypo = false; |
1699 | if (Actions.CorrectDelayedTyposInExpr(LHS).get() != LHS.get()) |
1700 | HadDelayedTypo = true; |
1701 | for (auto &E : ArgExprs) |
1702 | if (Actions.CorrectDelayedTyposInExpr(E).get() != E) |
1703 | HadDelayedTypo = true; |
1704 | |
1705 | |
1706 | |
1707 | if (HadDelayedTypo) |
1708 | SkipUntil(tok::r_paren, StopAtSemi); |
1709 | else |
1710 | PT.consumeClose(); |
1711 | LHS = ExprError(); |
1712 | } else { |
1713 | (0) . __assert_fail ("(ArgExprs.size() == 0 || ArgExprs.size()-1 == CommaLocs.size())&& \"Unexpected number of commas!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 1715, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((ArgExprs.size() == 0 || |
1714 | (0) . __assert_fail ("(ArgExprs.size() == 0 || ArgExprs.size()-1 == CommaLocs.size())&& \"Unexpected number of commas!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 1715, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> ArgExprs.size()-1 == CommaLocs.size())&& |
1715 | (0) . __assert_fail ("(ArgExprs.size() == 0 || ArgExprs.size()-1 == CommaLocs.size())&& \"Unexpected number of commas!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 1715, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Unexpected number of commas!"); |
1716 | LHS = Actions.ActOnCallExpr(getCurScope(), LHS.get(), Loc, |
1717 | ArgExprs, Tok.getLocation(), |
1718 | ExecConfig); |
1719 | PT.consumeClose(); |
1720 | } |
1721 | |
1722 | break; |
1723 | } |
1724 | case tok::arrow: |
1725 | case tok::period: { |
1726 | |
1727 | |
1728 | tok::TokenKind OpKind = Tok.getKind(); |
1729 | SourceLocation OpLoc = ConsumeToken(); |
1730 | |
1731 | CXXScopeSpec SS; |
1732 | ParsedType ObjectType; |
1733 | bool MayBePseudoDestructor = false; |
1734 | Expr* OrigLHS = !LHS.isInvalid() ? LHS.get() : nullptr; |
1735 | |
1736 | PreferredType.enterMemAccess(Actions, Tok.getLocation(), OrigLHS); |
1737 | |
1738 | if (getLangOpts().CPlusPlus && !LHS.isInvalid()) { |
1739 | Expr *Base = OrigLHS; |
1740 | const Type* BaseType = Base->getType().getTypePtrOrNull(); |
1741 | if (BaseType && Tok.is(tok::l_paren) && |
1742 | (BaseType->isFunctionType() || |
1743 | BaseType->isSpecificPlaceholderType(BuiltinType::BoundMember))) { |
1744 | Diag(OpLoc, diag::err_function_is_not_record) |
1745 | << OpKind << Base->getSourceRange() |
1746 | << FixItHint::CreateRemoval(OpLoc); |
1747 | return ParsePostfixExpressionSuffix(Base); |
1748 | } |
1749 | |
1750 | LHS = Actions.ActOnStartCXXMemberReference(getCurScope(), Base, |
1751 | OpLoc, OpKind, ObjectType, |
1752 | MayBePseudoDestructor); |
1753 | if (LHS.isInvalid()) |
1754 | break; |
1755 | |
1756 | ParseOptionalCXXScopeSpecifier(SS, ObjectType, |
1757 | , |
1758 | &MayBePseudoDestructor); |
1759 | if (SS.isNotEmpty()) |
1760 | ObjectType = nullptr; |
1761 | } |
1762 | |
1763 | if (Tok.is(tok::code_completion)) { |
1764 | tok::TokenKind CorrectedOpKind = |
1765 | OpKind == tok::arrow ? tok::period : tok::arrow; |
1766 | ExprResult CorrectedLHS(); |
1767 | if (getLangOpts().CPlusPlus && OrigLHS) { |
1768 | const bool DiagsAreSuppressed = Diags.getSuppressAllDiagnostics(); |
1769 | Diags.setSuppressAllDiagnostics(true); |
1770 | CorrectedLHS = Actions.ActOnStartCXXMemberReference( |
1771 | getCurScope(), OrigLHS, OpLoc, CorrectedOpKind, ObjectType, |
1772 | MayBePseudoDestructor); |
1773 | Diags.setSuppressAllDiagnostics(DiagsAreSuppressed); |
1774 | } |
1775 | |
1776 | Expr *Base = LHS.get(); |
1777 | Expr *CorrectedBase = CorrectedLHS.get(); |
1778 | if (!CorrectedBase && !getLangOpts().CPlusPlus) |
1779 | CorrectedBase = Base; |
1780 | |
1781 | |
1782 | Actions.CodeCompleteMemberReferenceExpr( |
1783 | getCurScope(), Base, CorrectedBase, OpLoc, OpKind == tok::arrow, |
1784 | Base && ExprStatementTokLoc == Base->getBeginLoc(), |
1785 | PreferredType.get(Tok.getLocation())); |
1786 | |
1787 | cutOffParsing(); |
1788 | return ExprError(); |
1789 | } |
1790 | |
1791 | if (MayBePseudoDestructor && !LHS.isInvalid()) { |
1792 | LHS = ParseCXXPseudoDestructor(LHS.get(), OpLoc, OpKind, SS, |
1793 | ObjectType); |
1794 | break; |
1795 | } |
1796 | |
1797 | |
1798 | |
1799 | |
1800 | |
1801 | |
1802 | |
1803 | |
1804 | SourceLocation TemplateKWLoc; |
1805 | UnqualifiedId Name; |
1806 | if (getLangOpts().ObjC && OpKind == tok::period && |
1807 | Tok.is(tok::kw_class)) { |
1808 | |
1809 | |
1810 | |
1811 | |
1812 | |
1813 | |
1814 | |
1815 | IdentifierInfo *Id = Tok.getIdentifierInfo(); |
1816 | SourceLocation Loc = ConsumeToken(); |
1817 | Name.setIdentifier(Id, Loc); |
1818 | } else if (ParseUnqualifiedId(SS, |
1819 | , |
1820 | , |
1821 | |
1822 | getLangOpts().MicrosoftExt && |
1823 | SS.isNotEmpty(), |
1824 | , |
1825 | ObjectType, &TemplateKWLoc, Name)) { |
1826 | (void)Actions.CorrectDelayedTyposInExpr(LHS); |
1827 | LHS = ExprError(); |
1828 | } |
1829 | |
1830 | if (!LHS.isInvalid()) |
1831 | LHS = Actions.ActOnMemberAccessExpr(getCurScope(), LHS.get(), OpLoc, |
1832 | OpKind, SS, TemplateKWLoc, Name, |
1833 | CurParsedObjCImpl ? CurParsedObjCImpl->Dcl |
1834 | : nullptr); |
1835 | if (!LHS.isInvalid() && Tok.is(tok::less)) |
1836 | checkPotentialAngleBracket(LHS); |
1837 | break; |
1838 | } |
1839 | case tok::plusplus: |
1840 | case tok::minusminus: |
1841 | if (!LHS.isInvalid()) { |
1842 | LHS = Actions.ActOnPostfixUnaryOp(getCurScope(), Tok.getLocation(), |
1843 | Tok.getKind(), LHS.get()); |
1844 | } |
1845 | ConsumeToken(); |
1846 | break; |
1847 | } |
1848 | } |
1849 | } |
1850 | |
1851 | |
1852 | |
1853 | |
1854 | |
1855 | |
1856 | |
1857 | |
1858 | |
1859 | |
1860 | |
1861 | |
1862 | |
1863 | |
1864 | |
1865 | |
1866 | |
1867 | |
1868 | |
1869 | |
1870 | |
1871 | |
1872 | |
1873 | |
1874 | ExprResult |
1875 | Parser::ParseExprAfterUnaryExprOrTypeTrait(const Token &OpTok, |
1876 | bool &isCastExpr, |
1877 | ParsedType &CastTy, |
1878 | SourceRange &CastRange) { |
1879 | |
1880 | (0) . __assert_fail ("OpTok.isOneOf(tok..kw_typeof, tok..kw_sizeof, tok..kw___alignof, tok..kw_alignof, tok..kw__Alignof, tok..kw_vec_step, tok..kw___builtin_omp_required_simd_align) && \"Not a typeof/sizeof/alignof/vec_step expression!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 1883, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(OpTok.isOneOf(tok::kw_typeof, tok::kw_sizeof, tok::kw___alignof, |
1881 | (0) . __assert_fail ("OpTok.isOneOf(tok..kw_typeof, tok..kw_sizeof, tok..kw___alignof, tok..kw_alignof, tok..kw__Alignof, tok..kw_vec_step, tok..kw___builtin_omp_required_simd_align) && \"Not a typeof/sizeof/alignof/vec_step expression!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 1883, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> tok::kw_alignof, tok::kw__Alignof, tok::kw_vec_step, |
1882 | (0) . __assert_fail ("OpTok.isOneOf(tok..kw_typeof, tok..kw_sizeof, tok..kw___alignof, tok..kw_alignof, tok..kw__Alignof, tok..kw_vec_step, tok..kw___builtin_omp_required_simd_align) && \"Not a typeof/sizeof/alignof/vec_step expression!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 1883, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> tok::kw___builtin_omp_required_simd_align) && |
1883 | (0) . __assert_fail ("OpTok.isOneOf(tok..kw_typeof, tok..kw_sizeof, tok..kw___alignof, tok..kw_alignof, tok..kw__Alignof, tok..kw_vec_step, tok..kw___builtin_omp_required_simd_align) && \"Not a typeof/sizeof/alignof/vec_step expression!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 1883, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Not a typeof/sizeof/alignof/vec_step expression!"); |
1884 | |
1885 | ExprResult Operand; |
1886 | |
1887 | |
1888 | if (Tok.isNot(tok::l_paren)) { |
1889 | |
1890 | |
1891 | if (OpTok.isOneOf(tok::kw_sizeof, tok::kw___alignof, tok::kw_alignof, |
1892 | tok::kw__Alignof)) { |
1893 | if (isTypeIdUnambiguously()) { |
1894 | DeclSpec DS(AttrFactory); |
1895 | ParseSpecifierQualifierList(DS); |
1896 | Declarator DeclaratorInfo(DS, DeclaratorContext::TypeNameContext); |
1897 | ParseDeclarator(DeclaratorInfo); |
1898 | |
1899 | SourceLocation LParenLoc = PP.getLocForEndOfToken(OpTok.getLocation()); |
1900 | SourceLocation RParenLoc = PP.getLocForEndOfToken(PrevTokLocation); |
1901 | Diag(LParenLoc, diag::err_expected_parentheses_around_typename) |
1902 | << OpTok.getName() |
1903 | << FixItHint::CreateInsertion(LParenLoc, "(") |
1904 | << FixItHint::CreateInsertion(RParenLoc, ")"); |
1905 | isCastExpr = true; |
1906 | return ExprEmpty(); |
1907 | } |
1908 | } |
1909 | |
1910 | isCastExpr = false; |
1911 | if (OpTok.is(tok::kw_typeof) && !getLangOpts().CPlusPlus) { |
1912 | Diag(Tok, diag::err_expected_after) << OpTok.getIdentifierInfo() |
1913 | << tok::l_paren; |
1914 | return ExprError(); |
1915 | } |
1916 | |
1917 | Operand = ParseCastExpression(true); |
1918 | } else { |
1919 | |
1920 | |
1921 | |
1922 | |
1923 | ParenParseOption ExprType = CastExpr; |
1924 | SourceLocation LParenLoc = Tok.getLocation(), RParenLoc; |
1925 | |
1926 | Operand = ParseParenExpression(ExprType, true, |
1927 | false, CastTy, RParenLoc); |
1928 | CastRange = SourceRange(LParenLoc, RParenLoc); |
1929 | |
1930 | |
1931 | |
1932 | if (ExprType == CastExpr) { |
1933 | isCastExpr = true; |
1934 | return ExprEmpty(); |
1935 | } |
1936 | |
1937 | if (getLangOpts().CPlusPlus || OpTok.isNot(tok::kw_typeof)) { |
1938 | |
1939 | |
1940 | |
1941 | |
1942 | if (!Operand.isInvalid()) |
1943 | Operand = ParsePostfixExpressionSuffix(Operand.get()); |
1944 | } |
1945 | } |
1946 | |
1947 | |
1948 | isCastExpr = false; |
1949 | return Operand; |
1950 | } |
1951 | |
1952 | |
1953 | |
1954 | |
1955 | |
1956 | |
1957 | |
1958 | |
1959 | |
1960 | |
1961 | |
1962 | |
1963 | |
1964 | |
1965 | ExprResult Parser::ParseUnaryExprOrTypeTraitExpression() { |
1966 | (0) . __assert_fail ("Tok.isOneOf(tok..kw_sizeof, tok..kw___alignof, tok..kw_alignof, tok..kw__Alignof, tok..kw_vec_step, tok..kw___builtin_omp_required_simd_align) && \"Not a sizeof/alignof/vec_step expression!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 1969, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.isOneOf(tok::kw_sizeof, tok::kw___alignof, tok::kw_alignof, |
1967 | (0) . __assert_fail ("Tok.isOneOf(tok..kw_sizeof, tok..kw___alignof, tok..kw_alignof, tok..kw__Alignof, tok..kw_vec_step, tok..kw___builtin_omp_required_simd_align) && \"Not a sizeof/alignof/vec_step expression!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 1969, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> tok::kw__Alignof, tok::kw_vec_step, |
1968 | (0) . __assert_fail ("Tok.isOneOf(tok..kw_sizeof, tok..kw___alignof, tok..kw_alignof, tok..kw__Alignof, tok..kw_vec_step, tok..kw___builtin_omp_required_simd_align) && \"Not a sizeof/alignof/vec_step expression!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 1969, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> tok::kw___builtin_omp_required_simd_align) && |
1969 | (0) . __assert_fail ("Tok.isOneOf(tok..kw_sizeof, tok..kw___alignof, tok..kw_alignof, tok..kw__Alignof, tok..kw_vec_step, tok..kw___builtin_omp_required_simd_align) && \"Not a sizeof/alignof/vec_step expression!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 1969, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Not a sizeof/alignof/vec_step expression!"); |
1970 | Token OpTok = Tok; |
1971 | ConsumeToken(); |
1972 | |
1973 | |
1974 | if (Tok.is(tok::ellipsis) && OpTok.is(tok::kw_sizeof)) { |
1975 | SourceLocation EllipsisLoc = ConsumeToken(); |
1976 | SourceLocation LParenLoc, RParenLoc; |
1977 | IdentifierInfo *Name = nullptr; |
1978 | SourceLocation NameLoc; |
1979 | if (Tok.is(tok::l_paren)) { |
1980 | BalancedDelimiterTracker T(*this, tok::l_paren); |
1981 | T.consumeOpen(); |
1982 | LParenLoc = T.getOpenLocation(); |
1983 | if (Tok.is(tok::identifier)) { |
1984 | Name = Tok.getIdentifierInfo(); |
1985 | NameLoc = ConsumeToken(); |
1986 | T.consumeClose(); |
1987 | RParenLoc = T.getCloseLocation(); |
1988 | if (RParenLoc.isInvalid()) |
1989 | RParenLoc = PP.getLocForEndOfToken(NameLoc); |
1990 | } else { |
1991 | Diag(Tok, diag::err_expected_parameter_pack); |
1992 | SkipUntil(tok::r_paren, StopAtSemi); |
1993 | } |
1994 | } else if (Tok.is(tok::identifier)) { |
1995 | Name = Tok.getIdentifierInfo(); |
1996 | NameLoc = ConsumeToken(); |
1997 | LParenLoc = PP.getLocForEndOfToken(EllipsisLoc); |
1998 | RParenLoc = PP.getLocForEndOfToken(NameLoc); |
1999 | Diag(LParenLoc, diag::err_paren_sizeof_parameter_pack) |
2000 | << Name |
2001 | << FixItHint::CreateInsertion(LParenLoc, "(") |
2002 | << FixItHint::CreateInsertion(RParenLoc, ")"); |
2003 | } else { |
2004 | Diag(Tok, diag::err_sizeof_parameter_pack); |
2005 | } |
2006 | |
2007 | if (!Name) |
2008 | return ExprError(); |
2009 | |
2010 | EnterExpressionEvaluationContext Unevaluated( |
2011 | Actions, Sema::ExpressionEvaluationContext::Unevaluated, |
2012 | Sema::ReuseLambdaContextDecl); |
2013 | |
2014 | return Actions.ActOnSizeofParameterPackExpr(getCurScope(), |
2015 | OpTok.getLocation(), |
2016 | *Name, NameLoc, |
2017 | RParenLoc); |
2018 | } |
2019 | |
2020 | if (OpTok.isOneOf(tok::kw_alignof, tok::kw__Alignof)) |
2021 | Diag(OpTok, diag::warn_cxx98_compat_alignof); |
2022 | |
2023 | EnterExpressionEvaluationContext Unevaluated( |
2024 | Actions, Sema::ExpressionEvaluationContext::Unevaluated, |
2025 | Sema::ReuseLambdaContextDecl); |
2026 | |
2027 | bool isCastExpr; |
2028 | ParsedType CastTy; |
2029 | SourceRange CastRange; |
2030 | ExprResult Operand = ParseExprAfterUnaryExprOrTypeTrait(OpTok, |
2031 | isCastExpr, |
2032 | CastTy, |
2033 | CastRange); |
2034 | |
2035 | UnaryExprOrTypeTrait ExprKind = UETT_SizeOf; |
2036 | if (OpTok.isOneOf(tok::kw_alignof, tok::kw__Alignof)) |
2037 | ExprKind = UETT_AlignOf; |
2038 | else if (OpTok.is(tok::kw___alignof)) |
2039 | ExprKind = UETT_PreferredAlignOf; |
2040 | else if (OpTok.is(tok::kw_vec_step)) |
2041 | ExprKind = UETT_VecStep; |
2042 | else if (OpTok.is(tok::kw___builtin_omp_required_simd_align)) |
2043 | ExprKind = UETT_OpenMPRequiredSimdAlign; |
2044 | |
2045 | if (isCastExpr) |
2046 | return Actions.ActOnUnaryExprOrTypeTraitExpr(OpTok.getLocation(), |
2047 | ExprKind, |
2048 | , |
2049 | CastTy.getAsOpaquePtr(), |
2050 | CastRange); |
2051 | |
2052 | if (OpTok.isOneOf(tok::kw_alignof, tok::kw__Alignof)) |
2053 | Diag(OpTok, diag::ext_alignof_expr) << OpTok.getIdentifierInfo(); |
2054 | |
2055 | |
2056 | if (!Operand.isInvalid()) |
2057 | Operand = Actions.ActOnUnaryExprOrTypeTraitExpr(OpTok.getLocation(), |
2058 | ExprKind, |
2059 | , |
2060 | Operand.get(), |
2061 | CastRange); |
2062 | return Operand; |
2063 | } |
2064 | |
2065 | |
2066 | |
2067 | |
2068 | |
2069 | |
2070 | |
2071 | |
2072 | |
2073 | |
2074 | |
2075 | |
2076 | |
2077 | |
2078 | |
2079 | |
2080 | |
2081 | ExprResult Parser::ParseBuiltinPrimaryExpression() { |
2082 | ExprResult Res; |
2083 | const IdentifierInfo *BuiltinII = Tok.getIdentifierInfo(); |
2084 | |
2085 | tok::TokenKind T = Tok.getKind(); |
2086 | SourceLocation StartLoc = ConsumeToken(); |
2087 | |
2088 | |
2089 | if (Tok.isNot(tok::l_paren)) |
2090 | return ExprError(Diag(Tok, diag::err_expected_after) << BuiltinII |
2091 | << tok::l_paren); |
2092 | |
2093 | BalancedDelimiterTracker PT(*this, tok::l_paren); |
2094 | PT.consumeOpen(); |
2095 | |
2096 | |
2097 | |
2098 | switch (T) { |
2099 | default: llvm_unreachable("Not a builtin primary expression!"); |
2100 | case tok::kw___builtin_va_arg: { |
2101 | ExprResult Expr(ParseAssignmentExpression()); |
2102 | |
2103 | if (ExpectAndConsume(tok::comma)) { |
2104 | SkipUntil(tok::r_paren, StopAtSemi); |
2105 | Expr = ExprError(); |
2106 | } |
2107 | |
2108 | TypeResult Ty = ParseTypeName(); |
2109 | |
2110 | if (Tok.isNot(tok::r_paren)) { |
2111 | Diag(Tok, diag::err_expected) << tok::r_paren; |
2112 | Expr = ExprError(); |
2113 | } |
2114 | |
2115 | if (Expr.isInvalid() || Ty.isInvalid()) |
2116 | Res = ExprError(); |
2117 | else |
2118 | Res = Actions.ActOnVAArg(StartLoc, Expr.get(), Ty.get(), ConsumeParen()); |
2119 | break; |
2120 | } |
2121 | case tok::kw___builtin_offsetof: { |
2122 | SourceLocation TypeLoc = Tok.getLocation(); |
2123 | TypeResult Ty = ParseTypeName(); |
2124 | if (Ty.isInvalid()) { |
2125 | SkipUntil(tok::r_paren, StopAtSemi); |
2126 | return ExprError(); |
2127 | } |
2128 | |
2129 | if (ExpectAndConsume(tok::comma)) { |
2130 | SkipUntil(tok::r_paren, StopAtSemi); |
2131 | return ExprError(); |
2132 | } |
2133 | |
2134 | |
2135 | if (Tok.isNot(tok::identifier)) { |
2136 | Diag(Tok, diag::err_expected) << tok::identifier; |
2137 | SkipUntil(tok::r_paren, StopAtSemi); |
2138 | return ExprError(); |
2139 | } |
2140 | |
2141 | |
2142 | SmallVector<Sema::OffsetOfComponent, 4> Comps; |
2143 | |
2144 | Comps.push_back(Sema::OffsetOfComponent()); |
2145 | Comps.back().isBrackets = false; |
2146 | Comps.back().U.IdentInfo = Tok.getIdentifierInfo(); |
2147 | Comps.back().LocStart = Comps.back().LocEnd = ConsumeToken(); |
2148 | |
2149 | |
2150 | while (1) { |
2151 | if (Tok.is(tok::period)) { |
2152 | |
2153 | Comps.push_back(Sema::OffsetOfComponent()); |
2154 | Comps.back().isBrackets = false; |
2155 | Comps.back().LocStart = ConsumeToken(); |
2156 | |
2157 | if (Tok.isNot(tok::identifier)) { |
2158 | Diag(Tok, diag::err_expected) << tok::identifier; |
2159 | SkipUntil(tok::r_paren, StopAtSemi); |
2160 | return ExprError(); |
2161 | } |
2162 | Comps.back().U.IdentInfo = Tok.getIdentifierInfo(); |
2163 | Comps.back().LocEnd = ConsumeToken(); |
2164 | |
2165 | } else if (Tok.is(tok::l_square)) { |
2166 | if (CheckProhibitedCXX11Attribute()) |
2167 | return ExprError(); |
2168 | |
2169 | |
2170 | Comps.push_back(Sema::OffsetOfComponent()); |
2171 | Comps.back().isBrackets = true; |
2172 | BalancedDelimiterTracker ST(*this, tok::l_square); |
2173 | ST.consumeOpen(); |
2174 | Comps.back().LocStart = ST.getOpenLocation(); |
2175 | Res = ParseExpression(); |
2176 | if (Res.isInvalid()) { |
2177 | SkipUntil(tok::r_paren, StopAtSemi); |
2178 | return Res; |
2179 | } |
2180 | Comps.back().U.E = Res.get(); |
2181 | |
2182 | ST.consumeClose(); |
2183 | Comps.back().LocEnd = ST.getCloseLocation(); |
2184 | } else { |
2185 | if (Tok.isNot(tok::r_paren)) { |
2186 | PT.consumeClose(); |
2187 | Res = ExprError(); |
2188 | } else if (Ty.isInvalid()) { |
2189 | Res = ExprError(); |
2190 | } else { |
2191 | PT.consumeClose(); |
2192 | Res = Actions.ActOnBuiltinOffsetOf(getCurScope(), StartLoc, TypeLoc, |
2193 | Ty.get(), Comps, |
2194 | PT.getCloseLocation()); |
2195 | } |
2196 | break; |
2197 | } |
2198 | } |
2199 | break; |
2200 | } |
2201 | case tok::kw___builtin_choose_expr: { |
2202 | ExprResult Cond(ParseAssignmentExpression()); |
2203 | if (Cond.isInvalid()) { |
2204 | SkipUntil(tok::r_paren, StopAtSemi); |
2205 | return Cond; |
2206 | } |
2207 | if (ExpectAndConsume(tok::comma)) { |
2208 | SkipUntil(tok::r_paren, StopAtSemi); |
2209 | return ExprError(); |
2210 | } |
2211 | |
2212 | ExprResult Expr1(ParseAssignmentExpression()); |
2213 | if (Expr1.isInvalid()) { |
2214 | SkipUntil(tok::r_paren, StopAtSemi); |
2215 | return Expr1; |
2216 | } |
2217 | if (ExpectAndConsume(tok::comma)) { |
2218 | SkipUntil(tok::r_paren, StopAtSemi); |
2219 | return ExprError(); |
2220 | } |
2221 | |
2222 | ExprResult Expr2(ParseAssignmentExpression()); |
2223 | if (Expr2.isInvalid()) { |
2224 | SkipUntil(tok::r_paren, StopAtSemi); |
2225 | return Expr2; |
2226 | } |
2227 | if (Tok.isNot(tok::r_paren)) { |
2228 | Diag(Tok, diag::err_expected) << tok::r_paren; |
2229 | return ExprError(); |
2230 | } |
2231 | Res = Actions.ActOnChooseExpr(StartLoc, Cond.get(), Expr1.get(), |
2232 | Expr2.get(), ConsumeParen()); |
2233 | break; |
2234 | } |
2235 | case tok::kw___builtin_astype: { |
2236 | |
2237 | ExprResult Expr(ParseAssignmentExpression()); |
2238 | if (Expr.isInvalid()) { |
2239 | SkipUntil(tok::r_paren, StopAtSemi); |
2240 | return ExprError(); |
2241 | } |
2242 | |
2243 | if (ExpectAndConsume(tok::comma)) { |
2244 | SkipUntil(tok::r_paren, StopAtSemi); |
2245 | return ExprError(); |
2246 | } |
2247 | |
2248 | |
2249 | TypeResult DestTy = ParseTypeName(); |
2250 | if (DestTy.isInvalid()) |
2251 | return ExprError(); |
2252 | |
2253 | |
2254 | if (Tok.isNot(tok::r_paren)) { |
2255 | Diag(Tok, diag::err_expected) << tok::r_paren; |
2256 | SkipUntil(tok::r_paren, StopAtSemi); |
2257 | return ExprError(); |
2258 | } |
2259 | |
2260 | Res = Actions.ActOnAsTypeExpr(Expr.get(), DestTy.get(), StartLoc, |
2261 | ConsumeParen()); |
2262 | break; |
2263 | } |
2264 | case tok::kw___builtin_convertvector: { |
2265 | |
2266 | ExprResult Expr(ParseAssignmentExpression()); |
2267 | if (Expr.isInvalid()) { |
2268 | SkipUntil(tok::r_paren, StopAtSemi); |
2269 | return ExprError(); |
2270 | } |
2271 | |
2272 | if (ExpectAndConsume(tok::comma)) { |
2273 | SkipUntil(tok::r_paren, StopAtSemi); |
2274 | return ExprError(); |
2275 | } |
2276 | |
2277 | |
2278 | TypeResult DestTy = ParseTypeName(); |
2279 | if (DestTy.isInvalid()) |
2280 | return ExprError(); |
2281 | |
2282 | |
2283 | if (Tok.isNot(tok::r_paren)) { |
2284 | Diag(Tok, diag::err_expected) << tok::r_paren; |
2285 | SkipUntil(tok::r_paren, StopAtSemi); |
2286 | return ExprError(); |
2287 | } |
2288 | |
2289 | Res = Actions.ActOnConvertVectorExpr(Expr.get(), DestTy.get(), StartLoc, |
2290 | ConsumeParen()); |
2291 | break; |
2292 | } |
2293 | } |
2294 | |
2295 | if (Res.isInvalid()) |
2296 | return ExprError(); |
2297 | |
2298 | |
2299 | |
2300 | return ParsePostfixExpressionSuffix(Res.get()); |
2301 | } |
2302 | |
2303 | |
2304 | |
2305 | |
2306 | |
2307 | |
2308 | |
2309 | |
2310 | |
2311 | |
2312 | |
2313 | |
2314 | |
2315 | |
2316 | |
2317 | |
2318 | |
2319 | |
2320 | |
2321 | |
2322 | |
2323 | |
2324 | |
2325 | |
2326 | |
2327 | |
2328 | ExprResult |
2329 | Parser::ParseParenExpression(ParenParseOption &ExprType, bool stopIfCastExpr, |
2330 | bool isTypeCast, ParsedType &CastTy, |
2331 | SourceLocation &RParenLoc) { |
2332 | (0) . __assert_fail ("Tok.is(tok..l_paren) && \"Not a paren expr!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 2332, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::l_paren) && "Not a paren expr!"); |
2333 | ColonProtectionRAIIObject ColonProtection(*this, false); |
2334 | BalancedDelimiterTracker T(*this, tok::l_paren); |
2335 | if (T.consumeOpen()) |
2336 | return ExprError(); |
2337 | SourceLocation OpenLoc = T.getOpenLocation(); |
2338 | |
2339 | PreferredType.enterParenExpr(Tok.getLocation(), OpenLoc); |
2340 | |
2341 | ExprResult Result(true); |
2342 | bool isAmbiguousTypeId; |
2343 | CastTy = nullptr; |
2344 | |
2345 | if (Tok.is(tok::code_completion)) { |
2346 | Actions.CodeCompleteExpression( |
2347 | getCurScope(), PreferredType.get(Tok.getLocation()), |
2348 | ExprType >= CompoundLiteral); |
2349 | cutOffParsing(); |
2350 | return ExprError(); |
2351 | } |
2352 | |
2353 | |
2354 | bool BridgeCast = (getLangOpts().ObjC && |
2355 | Tok.isOneOf(tok::kw___bridge, |
2356 | tok::kw___bridge_transfer, |
2357 | tok::kw___bridge_retained, |
2358 | tok::kw___bridge_retain)); |
2359 | if (BridgeCast && !getLangOpts().ObjCAutoRefCount) { |
2360 | if (!TryConsumeToken(tok::kw___bridge)) { |
2361 | StringRef BridgeCastName = Tok.getName(); |
2362 | SourceLocation BridgeKeywordLoc = ConsumeToken(); |
2363 | if (!PP.getSourceManager().isInSystemHeader(BridgeKeywordLoc)) |
2364 | Diag(BridgeKeywordLoc, diag::warn_arc_bridge_cast_nonarc) |
2365 | << BridgeCastName |
2366 | << FixItHint::CreateReplacement(BridgeKeywordLoc, ""); |
2367 | } |
2368 | BridgeCast = false; |
2369 | } |
2370 | |
2371 | |
2372 | |
2373 | if (ExprType >= CompoundStmt && Tok.is(tok::l_brace)) { |
2374 | Diag(Tok, diag::ext_gnu_statement_expr); |
2375 | |
2376 | if (!getCurScope()->getFnParent() && !getCurScope()->getBlockParent()) { |
2377 | Result = ExprError(Diag(OpenLoc, diag::err_stmtexpr_file_scope)); |
2378 | } else { |
2379 | |
2380 | |
2381 | |
2382 | DeclContext *CodeDC = Actions.CurContext; |
2383 | while (CodeDC->isRecord() || isa<EnumDecl>(CodeDC)) { |
2384 | CodeDC = CodeDC->getParent(); |
2385 | (0) . __assert_fail ("CodeDC && !CodeDC->isFileContext() && \"statement expr not in code context\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 2386, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(CodeDC && !CodeDC->isFileContext() && |
2386 | (0) . __assert_fail ("CodeDC && !CodeDC->isFileContext() && \"statement expr not in code context\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 2386, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "statement expr not in code context"); |
2387 | } |
2388 | Sema::ContextRAII SavedContext(Actions, CodeDC, ); |
2389 | |
2390 | Actions.ActOnStartStmtExpr(); |
2391 | |
2392 | StmtResult Stmt(ParseCompoundStatement(true)); |
2393 | ExprType = CompoundStmt; |
2394 | |
2395 | |
2396 | if (!Stmt.isInvalid()) { |
2397 | Result = Actions.ActOnStmtExpr(OpenLoc, Stmt.get(), Tok.getLocation()); |
2398 | } else { |
2399 | Actions.ActOnStmtExprError(); |
2400 | } |
2401 | } |
2402 | } else if (ExprType >= CompoundLiteral && BridgeCast) { |
2403 | tok::TokenKind tokenKind = Tok.getKind(); |
2404 | SourceLocation BridgeKeywordLoc = ConsumeToken(); |
2405 | |
2406 | |
2407 | ObjCBridgeCastKind Kind; |
2408 | if (tokenKind == tok::kw___bridge) |
2409 | Kind = OBC_Bridge; |
2410 | else if (tokenKind == tok::kw___bridge_transfer) |
2411 | Kind = OBC_BridgeTransfer; |
2412 | else if (tokenKind == tok::kw___bridge_retained) |
2413 | Kind = OBC_BridgeRetained; |
2414 | else { |
2415 | |
2416 | |
2417 | assert(tokenKind == tok::kw___bridge_retain); |
2418 | Kind = OBC_BridgeRetained; |
2419 | if (!PP.getSourceManager().isInSystemHeader(BridgeKeywordLoc)) |
2420 | Diag(BridgeKeywordLoc, diag::err_arc_bridge_retain) |
2421 | << FixItHint::CreateReplacement(BridgeKeywordLoc, |
2422 | "__bridge_retained"); |
2423 | } |
2424 | |
2425 | TypeResult Ty = ParseTypeName(); |
2426 | T.consumeClose(); |
2427 | ColonProtection.restore(); |
2428 | RParenLoc = T.getCloseLocation(); |
2429 | |
2430 | PreferredType.enterTypeCast(Tok.getLocation(), Ty.get().get()); |
2431 | ExprResult SubExpr = ParseCastExpression(); |
2432 | |
2433 | if (Ty.isInvalid() || SubExpr.isInvalid()) |
2434 | return ExprError(); |
2435 | |
2436 | return Actions.ActOnObjCBridgedCast(getCurScope(), OpenLoc, Kind, |
2437 | BridgeKeywordLoc, Ty.get(), |
2438 | RParenLoc, SubExpr.get()); |
2439 | } else if (ExprType >= CompoundLiteral && |
2440 | isTypeIdInParens(isAmbiguousTypeId)) { |
2441 | |
2442 | |
2443 | |
2444 | |
2445 | |
2446 | |
2447 | |
2448 | |
2449 | if (isAmbiguousTypeId && !stopIfCastExpr) { |
2450 | ExprResult res = ParseCXXAmbiguousParenExpression(ExprType, CastTy, T, |
2451 | ColonProtection); |
2452 | RParenLoc = T.getCloseLocation(); |
2453 | return res; |
2454 | } |
2455 | |
2456 | |
2457 | DeclSpec DS(AttrFactory); |
2458 | ParseSpecifierQualifierList(DS); |
2459 | Declarator DeclaratorInfo(DS, DeclaratorContext::TypeNameContext); |
2460 | ParseDeclarator(DeclaratorInfo); |
2461 | |
2462 | |
2463 | |
2464 | |
2465 | if (!DeclaratorInfo.isInvalidType() && Tok.is(tok::identifier) && |
2466 | !InMessageExpression && getLangOpts().ObjC && |
2467 | (NextToken().is(tok::colon) || NextToken().is(tok::r_square))) { |
2468 | TypeResult Ty; |
2469 | { |
2470 | InMessageExpressionRAIIObject InMessage(*this, false); |
2471 | Ty = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); |
2472 | } |
2473 | Result = ParseObjCMessageExpressionBody(SourceLocation(), |
2474 | SourceLocation(), |
2475 | Ty.get(), nullptr); |
2476 | } else { |
2477 | |
2478 | T.consumeClose(); |
2479 | ColonProtection.restore(); |
2480 | RParenLoc = T.getCloseLocation(); |
2481 | if (Tok.is(tok::l_brace)) { |
2482 | ExprType = CompoundLiteral; |
2483 | TypeResult Ty; |
2484 | { |
2485 | InMessageExpressionRAIIObject InMessage(*this, false); |
2486 | Ty = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); |
2487 | } |
2488 | return ParseCompoundLiteralExpression(Ty.get(), OpenLoc, RParenLoc); |
2489 | } |
2490 | |
2491 | if (Tok.is(tok::l_paren)) { |
2492 | |
2493 | if (getLangOpts().OpenCL) |
2494 | { |
2495 | TypeResult Ty; |
2496 | { |
2497 | InMessageExpressionRAIIObject InMessage(*this, false); |
2498 | Ty = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); |
2499 | } |
2500 | if(Ty.isInvalid()) |
2501 | { |
2502 | return ExprError(); |
2503 | } |
2504 | QualType QT = Ty.get().get().getCanonicalType(); |
2505 | if (QT->isVectorType()) |
2506 | { |
2507 | |
2508 | |
2509 | |
2510 | |
2511 | |
2512 | Result = ParseCastExpression(, |
2513 | , |
2514 | , |
2515 | ); |
2516 | |
2517 | if (!Result.isInvalid()) { |
2518 | Result = Actions.ActOnCastExpr(getCurScope(), OpenLoc, |
2519 | DeclaratorInfo, CastTy, |
2520 | RParenLoc, Result.get()); |
2521 | } |
2522 | |
2523 | |
2524 | if (!Result.isInvalid()) { |
2525 | Result = ParsePostfixExpressionSuffix(Result); |
2526 | } |
2527 | |
2528 | return Result; |
2529 | } |
2530 | } |
2531 | } |
2532 | |
2533 | if (ExprType == CastExpr) { |
2534 | |
2535 | |
2536 | if (DeclaratorInfo.isInvalidType()) |
2537 | return ExprError(); |
2538 | |
2539 | |
2540 | |
2541 | if (stopIfCastExpr) { |
2542 | TypeResult Ty; |
2543 | { |
2544 | InMessageExpressionRAIIObject InMessage(*this, false); |
2545 | Ty = Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); |
2546 | } |
2547 | CastTy = Ty.get(); |
2548 | return ExprResult(); |
2549 | } |
2550 | |
2551 | |
2552 | if (Tok.is(tok::identifier) && getLangOpts().ObjC && |
2553 | Tok.getIdentifierInfo() == Ident_super && |
2554 | getCurScope()->isInObjcMethodScope() && |
2555 | GetLookAheadToken(1).isNot(tok::period)) { |
2556 | Diag(Tok.getLocation(), diag::err_illegal_super_cast) |
2557 | << SourceRange(OpenLoc, RParenLoc); |
2558 | return ExprError(); |
2559 | } |
2560 | |
2561 | PreferredType.enterTypeCast(Tok.getLocation(), CastTy.get()); |
2562 | |
2563 | |
2564 | Result = ParseCastExpression(, |
2565 | , |
2566 | ); |
2567 | if (!Result.isInvalid()) { |
2568 | Result = Actions.ActOnCastExpr(getCurScope(), OpenLoc, |
2569 | DeclaratorInfo, CastTy, |
2570 | RParenLoc, Result.get()); |
2571 | } |
2572 | return Result; |
2573 | } |
2574 | |
2575 | Diag(Tok, diag::err_expected_lbrace_in_compound_literal); |
2576 | return ExprError(); |
2577 | } |
2578 | } else if (ExprType >= FoldExpr && Tok.is(tok::ellipsis) && |
2579 | isFoldOperator(NextToken().getKind())) { |
2580 | ExprType = FoldExpr; |
2581 | return ParseFoldExpression(ExprResult(), T); |
2582 | } else if (isTypeCast) { |
2583 | |
2584 | InMessageExpressionRAIIObject InMessage(*this, false); |
2585 | |
2586 | ExprVector ArgExprs; |
2587 | CommaLocsTy CommaLocs; |
2588 | |
2589 | if (!ParseSimpleExpressionList(ArgExprs, CommaLocs)) { |
2590 | |
2591 | |
2592 | if (ExprType >= FoldExpr && ArgExprs.size() == 1 && |
2593 | isFoldOperator(Tok.getKind()) && NextToken().is(tok::ellipsis)) { |
2594 | ExprType = FoldExpr; |
2595 | return ParseFoldExpression(ArgExprs[0], T); |
2596 | } |
2597 | |
2598 | ExprType = SimpleExpr; |
2599 | Result = Actions.ActOnParenListExpr(OpenLoc, Tok.getLocation(), |
2600 | ArgExprs); |
2601 | } |
2602 | } else { |
2603 | InMessageExpressionRAIIObject InMessage(*this, false); |
2604 | |
2605 | Result = ParseExpression(MaybeTypeCast); |
2606 | if (!getLangOpts().CPlusPlus && MaybeTypeCast && Result.isUsable()) { |
2607 | |
2608 | |
2609 | Result = Actions.CorrectDelayedTyposInExpr(Result); |
2610 | } |
2611 | |
2612 | if (ExprType >= FoldExpr && isFoldOperator(Tok.getKind()) && |
2613 | NextToken().is(tok::ellipsis)) { |
2614 | ExprType = FoldExpr; |
2615 | return ParseFoldExpression(Result, T); |
2616 | } |
2617 | ExprType = SimpleExpr; |
2618 | |
2619 | |
2620 | if (!Result.isInvalid() && Tok.is(tok::r_paren)) |
2621 | Result = |
2622 | Actions.ActOnParenExpr(OpenLoc, Tok.getLocation(), Result.get()); |
2623 | } |
2624 | |
2625 | |
2626 | if (Result.isInvalid()) { |
2627 | SkipUntil(tok::r_paren, StopAtSemi); |
2628 | return ExprError(); |
2629 | } |
2630 | |
2631 | T.consumeClose(); |
2632 | RParenLoc = T.getCloseLocation(); |
2633 | return Result; |
2634 | } |
2635 | |
2636 | |
2637 | |
2638 | |
2639 | |
2640 | |
2641 | |
2642 | |
2643 | |
2644 | ExprResult |
2645 | Parser::ParseCompoundLiteralExpression(ParsedType Ty, |
2646 | SourceLocation LParenLoc, |
2647 | SourceLocation RParenLoc) { |
2648 | (0) . __assert_fail ("Tok.is(tok..l_brace) && \"Not a compound literal!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 2648, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::l_brace) && "Not a compound literal!"); |
2649 | if (!getLangOpts().C99) |
2650 | Diag(LParenLoc, diag::ext_c99_compound_literal); |
2651 | ExprResult Result = ParseInitializer(); |
2652 | if (!Result.isInvalid() && Ty) |
2653 | return Actions.ActOnCompoundLiteral(LParenLoc, Ty, RParenLoc, Result.get()); |
2654 | return Result; |
2655 | } |
2656 | |
2657 | |
2658 | |
2659 | |
2660 | |
2661 | |
2662 | |
2663 | |
2664 | |
2665 | Parser::ParseStringLiteralExpression(bool AllowUserDefinedLiteral) { |
2666 | (0) . __assert_fail ("isTokenStringLiteral() && \"Not a string literal!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 2666, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(isTokenStringLiteral() && "Not a string literal!"); |
2667 | |
2668 | |
2669 | |
2670 | SmallVector<Token, 4> StringToks; |
2671 | |
2672 | do { |
2673 | StringToks.push_back(Tok); |
2674 | ConsumeStringToken(); |
2675 | } while (isTokenStringLiteral()); |
2676 | |
2677 | |
2678 | return Actions.ActOnStringLiteral(StringToks, |
2679 | AllowUserDefinedLiteral ? getCurScope() |
2680 | : nullptr); |
2681 | } |
2682 | |
2683 | |
2684 | |
2685 | |
2686 | |
2687 | |
2688 | |
2689 | |
2690 | |
2691 | |
2692 | |
2693 | |
2694 | |
2695 | |
2696 | ExprResult Parser::ParseGenericSelectionExpression() { |
2697 | (0) . __assert_fail ("Tok.is(tok..kw__Generic) && \"_Generic keyword expected\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 2697, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw__Generic) && "_Generic keyword expected"); |
2698 | SourceLocation KeyLoc = ConsumeToken(); |
2699 | |
2700 | if (!getLangOpts().C11) |
2701 | Diag(KeyLoc, diag::ext_c11_generic_selection); |
2702 | |
2703 | BalancedDelimiterTracker T(*this, tok::l_paren); |
2704 | if (T.expectAndConsume()) |
2705 | return ExprError(); |
2706 | |
2707 | ExprResult ControllingExpr; |
2708 | { |
2709 | |
2710 | |
2711 | EnterExpressionEvaluationContext Unevaluated( |
2712 | Actions, Sema::ExpressionEvaluationContext::Unevaluated); |
2713 | ControllingExpr = |
2714 | Actions.CorrectDelayedTyposInExpr(ParseAssignmentExpression()); |
2715 | if (ControllingExpr.isInvalid()) { |
2716 | SkipUntil(tok::r_paren, StopAtSemi); |
2717 | return ExprError(); |
2718 | } |
2719 | } |
2720 | |
2721 | if (ExpectAndConsume(tok::comma)) { |
2722 | SkipUntil(tok::r_paren, StopAtSemi); |
2723 | return ExprError(); |
2724 | } |
2725 | |
2726 | SourceLocation DefaultLoc; |
2727 | TypeVector Types; |
2728 | ExprVector Exprs; |
2729 | do { |
2730 | ParsedType Ty; |
2731 | if (Tok.is(tok::kw_default)) { |
2732 | |
2733 | |
2734 | if (!DefaultLoc.isInvalid()) { |
2735 | Diag(Tok, diag::err_duplicate_default_assoc); |
2736 | Diag(DefaultLoc, diag::note_previous_default_assoc); |
2737 | SkipUntil(tok::r_paren, StopAtSemi); |
2738 | return ExprError(); |
2739 | } |
2740 | DefaultLoc = ConsumeToken(); |
2741 | Ty = nullptr; |
2742 | } else { |
2743 | ColonProtectionRAIIObject X(*this); |
2744 | TypeResult TR = ParseTypeName(); |
2745 | if (TR.isInvalid()) { |
2746 | SkipUntil(tok::r_paren, StopAtSemi); |
2747 | return ExprError(); |
2748 | } |
2749 | Ty = TR.get(); |
2750 | } |
2751 | Types.push_back(Ty); |
2752 | |
2753 | if (ExpectAndConsume(tok::colon)) { |
2754 | SkipUntil(tok::r_paren, StopAtSemi); |
2755 | return ExprError(); |
2756 | } |
2757 | |
2758 | |
2759 | |
2760 | ExprResult ER( |
2761 | Actions.CorrectDelayedTyposInExpr(ParseAssignmentExpression())); |
2762 | if (ER.isInvalid()) { |
2763 | SkipUntil(tok::r_paren, StopAtSemi); |
2764 | return ExprError(); |
2765 | } |
2766 | Exprs.push_back(ER.get()); |
2767 | } while (TryConsumeToken(tok::comma)); |
2768 | |
2769 | T.consumeClose(); |
2770 | if (T.getCloseLocation().isInvalid()) |
2771 | return ExprError(); |
2772 | |
2773 | return Actions.ActOnGenericSelectionExpr(KeyLoc, DefaultLoc, |
2774 | T.getCloseLocation(), |
2775 | ControllingExpr.get(), |
2776 | Types, Exprs); |
2777 | } |
2778 | |
2779 | |
2780 | |
2781 | |
2782 | |
2783 | |
2784 | |
2785 | |
2786 | |
2787 | Parser::ParseFoldExpression(ExprResult LHS, |
2788 | BalancedDelimiterTracker &T) { |
2789 | if (LHS.isInvalid()) { |
2790 | T.skipToEnd(); |
2791 | return true; |
2792 | } |
2793 | |
2794 | tok::TokenKind Kind = tok::unknown; |
2795 | SourceLocation FirstOpLoc; |
2796 | if (LHS.isUsable()) { |
2797 | Kind = Tok.getKind(); |
2798 | (0) . __assert_fail ("isFoldOperator(Kind) && \"missing fold-operator\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 2798, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(isFoldOperator(Kind) && "missing fold-operator"); |
2799 | FirstOpLoc = ConsumeToken(); |
2800 | } |
2801 | |
2802 | (0) . __assert_fail ("Tok.is(tok..ellipsis) && \"not a fold-expression\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 2802, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::ellipsis) && "not a fold-expression"); |
2803 | SourceLocation EllipsisLoc = ConsumeToken(); |
2804 | |
2805 | ExprResult RHS; |
2806 | if (Tok.isNot(tok::r_paren)) { |
2807 | if (!isFoldOperator(Tok.getKind())) |
2808 | return Diag(Tok.getLocation(), diag::err_expected_fold_operator); |
2809 | |
2810 | if (Kind != tok::unknown && Tok.getKind() != Kind) |
2811 | Diag(Tok.getLocation(), diag::err_fold_operator_mismatch) |
2812 | << SourceRange(FirstOpLoc); |
2813 | Kind = Tok.getKind(); |
2814 | ConsumeToken(); |
2815 | |
2816 | RHS = ParseExpression(); |
2817 | if (RHS.isInvalid()) { |
2818 | T.skipToEnd(); |
2819 | return true; |
2820 | } |
2821 | } |
2822 | |
2823 | Diag(EllipsisLoc, getLangOpts().CPlusPlus17 |
2824 | ? diag::warn_cxx14_compat_fold_expression |
2825 | : diag::ext_fold_expression); |
2826 | |
2827 | T.consumeClose(); |
2828 | return Actions.ActOnCXXFoldExpr(T.getOpenLocation(), LHS.get(), Kind, |
2829 | EllipsisLoc, RHS.get(), T.getCloseLocation()); |
2830 | } |
2831 | |
2832 | |
2833 | |
2834 | |
2835 | |
2836 | |
2837 | |
2838 | |
2839 | |
2840 | |
2841 | |
2842 | |
2843 | |
2844 | |
2845 | |
2846 | |
2847 | |
2848 | |
2849 | |
2850 | |
2851 | |
2852 | |
2853 | |
2854 | bool Parser::ParseExpressionList(SmallVectorImpl<Expr *> &Exprs, |
2855 | SmallVectorImpl<SourceLocation> &CommaLocs, |
2856 | llvm::function_ref<void()> ExpressionStarts) { |
2857 | bool SawError = false; |
2858 | while (1) { |
2859 | if (ExpressionStarts) |
2860 | ExpressionStarts(); |
2861 | |
2862 | ExprResult Expr; |
2863 | if (getLangOpts().CPlusPlus11 && Tok.is(tok::l_brace)) { |
2864 | Diag(Tok, diag::warn_cxx98_compat_generalized_initializer_lists); |
2865 | Expr = ParseBraceInitializer(); |
2866 | } else |
2867 | Expr = ParseAssignmentExpression(); |
2868 | |
2869 | if (Tok.is(tok::ellipsis)) |
2870 | Expr = Actions.ActOnPackExpansion(Expr.get(), ConsumeToken()); |
2871 | if (Expr.isInvalid()) { |
2872 | SkipUntil(tok::comma, tok::r_paren, StopBeforeMatch); |
2873 | SawError = true; |
2874 | } else { |
2875 | Exprs.push_back(Expr.get()); |
2876 | } |
2877 | |
2878 | if (Tok.isNot(tok::comma)) |
2879 | break; |
2880 | |
2881 | Token Comma = Tok; |
2882 | CommaLocs.push_back(ConsumeToken()); |
2883 | |
2884 | checkPotentialAngleBracketDelimiter(Comma); |
2885 | } |
2886 | if (SawError) { |
2887 | |
2888 | |
2889 | for (auto &E : Exprs) { |
2890 | ExprResult Expr = Actions.CorrectDelayedTyposInExpr(E); |
2891 | if (Expr.isUsable()) E = Expr.get(); |
2892 | } |
2893 | } |
2894 | return SawError; |
2895 | } |
2896 | |
2897 | |
2898 | |
2899 | |
2900 | |
2901 | |
2902 | |
2903 | |
2904 | |
2905 | bool |
2906 | Parser::ParseSimpleExpressionList(SmallVectorImpl<Expr*> &Exprs, |
2907 | SmallVectorImpl<SourceLocation> &CommaLocs) { |
2908 | while (1) { |
2909 | ExprResult Expr = ParseAssignmentExpression(); |
2910 | if (Expr.isInvalid()) |
2911 | return true; |
2912 | |
2913 | Exprs.push_back(Expr.get()); |
2914 | |
2915 | if (Tok.isNot(tok::comma)) |
2916 | return false; |
2917 | |
2918 | |
2919 | Token Comma = Tok; |
2920 | CommaLocs.push_back(ConsumeToken()); |
2921 | |
2922 | checkPotentialAngleBracketDelimiter(Comma); |
2923 | } |
2924 | } |
2925 | |
2926 | |
2927 | |
2928 | |
2929 | |
2930 | |
2931 | |
2932 | void Parser::ParseBlockId(SourceLocation CaretLoc) { |
2933 | if (Tok.is(tok::code_completion)) { |
2934 | Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_Type); |
2935 | return cutOffParsing(); |
2936 | } |
2937 | |
2938 | |
2939 | DeclSpec DS(AttrFactory); |
2940 | ParseSpecifierQualifierList(DS); |
2941 | |
2942 | |
2943 | Declarator DeclaratorInfo(DS, DeclaratorContext::BlockLiteralContext); |
2944 | DeclaratorInfo.setFunctionDefinitionKind(FDK_Definition); |
2945 | ParseDeclarator(DeclaratorInfo); |
2946 | |
2947 | MaybeParseGNUAttributes(DeclaratorInfo); |
2948 | |
2949 | |
2950 | Actions.ActOnBlockArguments(CaretLoc, DeclaratorInfo, getCurScope()); |
2951 | } |
2952 | |
2953 | |
2954 | |
2955 | |
2956 | |
2957 | |
2958 | |
2959 | |
2960 | |
2961 | |
2962 | |
2963 | ExprResult Parser::ParseBlockLiteralExpression() { |
2964 | (0) . __assert_fail ("Tok.is(tok..caret) && \"block literal starts with ^\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseExpr.cpp", 2964, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::caret) && "block literal starts with ^"); |
2965 | SourceLocation CaretLoc = ConsumeToken(); |
2966 | |
2967 | PrettyStackTraceLoc CrashInfo(PP.getSourceManager(), CaretLoc, |
2968 | "block literal parsing"); |
2969 | |
2970 | |
2971 | |
2972 | |
2973 | |
2974 | ParseScope BlockScope(this, Scope::BlockScope | Scope::FnScope | |
2975 | Scope::CompoundStmtScope | Scope::DeclScope); |
2976 | |
2977 | |
2978 | Actions.ActOnBlockStart(CaretLoc, getCurScope()); |
2979 | |
2980 | |
2981 | DeclSpec DS(AttrFactory); |
2982 | Declarator ParamInfo(DS, DeclaratorContext::BlockLiteralContext); |
2983 | ParamInfo.setFunctionDefinitionKind(FDK_Definition); |
2984 | |
2985 | |
2986 | ParamInfo.SetSourceRange(SourceRange(Tok.getLocation(), Tok.getLocation())); |
2987 | |
2988 | |
2989 | |
2990 | if (Tok.is(tok::l_paren)) { |
2991 | ParseParenDeclarator(ParamInfo); |
2992 | |
2993 | |
2994 | |
2995 | SourceLocation Tmp = ParamInfo.getSourceRange().getEnd(); |
2996 | ParamInfo.SetIdentifier(nullptr, CaretLoc); |
2997 | ParamInfo.SetRangeEnd(Tmp); |
2998 | if (ParamInfo.isInvalidType()) { |
2999 | |
3000 | |
3001 | |
3002 | Actions.ActOnBlockError(CaretLoc, getCurScope()); |
3003 | return ExprError(); |
3004 | } |
3005 | |
3006 | MaybeParseGNUAttributes(ParamInfo); |
3007 | |
3008 | |
3009 | Actions.ActOnBlockArguments(CaretLoc, ParamInfo, getCurScope()); |
3010 | } else if (!Tok.is(tok::l_brace)) { |
3011 | ParseBlockId(CaretLoc); |
3012 | } else { |
3013 | |
3014 | SourceLocation NoLoc; |
3015 | ParamInfo.AddTypeInfo( |
3016 | DeclaratorChunk::getFunction(, |
3017 | , |
3018 | NoLoc, |
3019 | , |
3020 | , |
3021 | NoLoc, |
3022 | NoLoc, |
3023 | , |
3024 | NoLoc, |
3025 | NoLoc, EST_None, |
3026 | SourceRange(), |
3027 | , |
3028 | , |
3029 | , |
3030 | , |
3031 | , |
3032 | None, CaretLoc, |
3033 | CaretLoc, ParamInfo), |
3034 | CaretLoc); |
3035 | |
3036 | MaybeParseGNUAttributes(ParamInfo); |
3037 | |
3038 | |
3039 | Actions.ActOnBlockArguments(CaretLoc, ParamInfo, getCurScope()); |
3040 | } |
3041 | |
3042 | |
3043 | ExprResult Result(true); |
3044 | if (!Tok.is(tok::l_brace)) { |
3045 | |
3046 | Diag(Tok, diag::err_expected_expression); |
3047 | Actions.ActOnBlockError(CaretLoc, getCurScope()); |
3048 | return ExprError(); |
3049 | } |
3050 | |
3051 | StmtResult Stmt(ParseCompoundStatementBody()); |
3052 | BlockScope.Exit(); |
3053 | if (!Stmt.isInvalid()) |
3054 | Result = Actions.ActOnBlockStmtExpr(CaretLoc, Stmt.get(), getCurScope()); |
3055 | else |
3056 | Actions.ActOnBlockError(CaretLoc, getCurScope()); |
3057 | return Result; |
3058 | } |
3059 | |
3060 | |
3061 | |
3062 | |
3063 | |
3064 | ExprResult Parser::ParseObjCBoolLiteral() { |
3065 | tok::TokenKind Kind = Tok.getKind(); |
3066 | return Actions.ActOnObjCBoolLiteral(ConsumeToken(), Kind); |
3067 | } |
3068 | |
3069 | |
3070 | |
3071 | static bool CheckAvailabilitySpecList(Parser &P, |
3072 | ArrayRef<AvailabilitySpec> AvailSpecs) { |
3073 | llvm::SmallSet<StringRef, 4> Platforms; |
3074 | bool HasOtherPlatformSpec = false; |
3075 | bool Valid = true; |
3076 | for (const auto &Spec : AvailSpecs) { |
3077 | if (Spec.isOtherPlatformSpec()) { |
3078 | if (HasOtherPlatformSpec) { |
3079 | P.Diag(Spec.getBeginLoc(), diag::err_availability_query_repeated_star); |
3080 | Valid = false; |
3081 | } |
3082 | |
3083 | HasOtherPlatformSpec = true; |
3084 | continue; |
3085 | } |
3086 | |
3087 | bool Inserted = Platforms.insert(Spec.getPlatform()).second; |
3088 | if (!Inserted) { |
3089 | |
3090 | |
3091 | |
3092 | StringRef Platform = Spec.getPlatform(); |
3093 | P.Diag(Spec.getBeginLoc(), diag::err_availability_query_repeated_platform) |
3094 | << Spec.getEndLoc() << Platform; |
3095 | Valid = false; |
3096 | } |
3097 | } |
3098 | |
3099 | if (!HasOtherPlatformSpec) { |
3100 | SourceLocation InsertWildcardLoc = AvailSpecs.back().getEndLoc(); |
3101 | P.Diag(InsertWildcardLoc, diag::err_availability_query_wildcard_required) |
3102 | << FixItHint::CreateInsertion(InsertWildcardLoc, ", *"); |
3103 | return true; |
3104 | } |
3105 | |
3106 | return !Valid; |
3107 | } |
3108 | |
3109 | |
3110 | |
3111 | |
3112 | |
3113 | |
3114 | Optional<AvailabilitySpec> Parser::ParseAvailabilitySpec() { |
3115 | if (Tok.is(tok::star)) { |
3116 | return AvailabilitySpec(ConsumeToken()); |
3117 | } else { |
3118 | |
3119 | if (Tok.is(tok::code_completion)) { |
3120 | Actions.CodeCompleteAvailabilityPlatformName(); |
3121 | cutOffParsing(); |
3122 | return None; |
3123 | } |
3124 | if (Tok.isNot(tok::identifier)) { |
3125 | Diag(Tok, diag::err_avail_query_expected_platform_name); |
3126 | return None; |
3127 | } |
3128 | |
3129 | IdentifierLoc *PlatformIdentifier = ParseIdentifierLoc(); |
3130 | SourceRange VersionRange; |
3131 | VersionTuple Version = ParseVersionTuple(VersionRange); |
3132 | |
3133 | if (Version.empty()) |
3134 | return None; |
3135 | |
3136 | StringRef GivenPlatform = PlatformIdentifier->Ident->getName(); |
3137 | StringRef Platform = |
3138 | AvailabilityAttr::canonicalizePlatformName(GivenPlatform); |
3139 | |
3140 | if (AvailabilityAttr::getPrettyPlatformName(Platform).empty()) { |
3141 | Diag(PlatformIdentifier->Loc, |
3142 | diag::err_avail_query_unrecognized_platform_name) |
3143 | << GivenPlatform; |
3144 | return None; |
3145 | } |
3146 | |
3147 | return AvailabilitySpec(Version, Platform, PlatformIdentifier->Loc, |
3148 | VersionRange.getEnd()); |
3149 | } |
3150 | } |
3151 | |
3152 | ExprResult Parser::ParseAvailabilityCheckExpr(SourceLocation BeginLoc) { |
3153 | assert(Tok.is(tok::kw___builtin_available) || |
3154 | Tok.isObjCAtKeyword(tok::objc_available)); |
3155 | |
3156 | |
3157 | ConsumeToken(); |
3158 | |
3159 | BalancedDelimiterTracker Parens(*this, tok::l_paren); |
3160 | if (Parens.expectAndConsume()) |
3161 | return ExprError(); |
3162 | |
3163 | SmallVector<AvailabilitySpec, 4> AvailSpecs; |
3164 | bool HasError = false; |
3165 | while (true) { |
3166 | Optional<AvailabilitySpec> Spec = ParseAvailabilitySpec(); |
3167 | if (!Spec) |
3168 | HasError = true; |
3169 | else |
3170 | AvailSpecs.push_back(*Spec); |
3171 | |
3172 | if (!TryConsumeToken(tok::comma)) |
3173 | break; |
3174 | } |
3175 | |
3176 | if (HasError) { |
3177 | SkipUntil(tok::r_paren, StopAtSemi); |
3178 | return ExprError(); |
3179 | } |
3180 | |
3181 | CheckAvailabilitySpecList(*this, AvailSpecs); |
3182 | |
3183 | if (Parens.consumeClose()) |
3184 | return ExprError(); |
3185 | |
3186 | return Actions.ActOnObjCAvailabilityCheckExpr(AvailSpecs, BeginLoc, |
3187 | Parens.getCloseLocation()); |
3188 | } |
3189 | |