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13 | #include "clang/Parse/Parser.h" |
14 | #include "clang/AST/ASTConsumer.h" |
15 | #include "clang/AST/ASTContext.h" |
16 | #include "clang/AST/DeclTemplate.h" |
17 | #include "clang/Parse/ParseDiagnostic.h" |
18 | #include "clang/Parse/RAIIObjectsForParser.h" |
19 | #include "clang/Sema/DeclSpec.h" |
20 | #include "clang/Sema/ParsedTemplate.h" |
21 | #include "clang/Sema/Scope.h" |
22 | #include "llvm/Support/Path.h" |
23 | using namespace clang; |
24 | |
25 | |
26 | namespace { |
27 | |
28 | |
29 | class ActionCommentHandler : public CommentHandler { |
30 | Sema &S; |
31 | |
32 | public: |
33 | explicit ActionCommentHandler(Sema &S) : S(S) { } |
34 | |
35 | bool HandleComment(Preprocessor &PP, SourceRange ) override { |
36 | S.ActOnComment(Comment); |
37 | return false; |
38 | } |
39 | }; |
40 | } |
41 | |
42 | IdentifierInfo *Parser::getSEHExceptKeyword() { |
43 | |
44 | if (!Ident__except && (getLangOpts().MicrosoftExt || getLangOpts().Borland)) |
45 | Ident__except = PP.getIdentifierInfo("__except"); |
46 | |
47 | return Ident__except; |
48 | } |
49 | |
50 | Parser::Parser(Preprocessor &pp, Sema &actions, bool skipFunctionBodies) |
51 | : PP(pp), Actions(actions), Diags(PP.getDiagnostics()), |
52 | GreaterThanIsOperator(true), ColonIsSacred(false), |
53 | InMessageExpression(false), TemplateParameterDepth(0), |
54 | ParsingInObjCContainer(false) { |
55 | SkipFunctionBodies = pp.isCodeCompletionEnabled() || skipFunctionBodies; |
56 | Tok.startToken(); |
57 | Tok.setKind(tok::eof); |
58 | Actions.CurScope = nullptr; |
59 | NumCachedScopes = 0; |
60 | CurParsedObjCImpl = nullptr; |
61 | |
62 | |
63 | |
64 | initializePragmaHandlers(); |
65 | |
66 | CommentSemaHandler.reset(new ActionCommentHandler(actions)); |
67 | PP.addCommentHandler(CommentSemaHandler.get()); |
68 | |
69 | PP.setCodeCompletionHandler(*this); |
70 | } |
71 | |
72 | DiagnosticBuilder Parser::Diag(SourceLocation Loc, unsigned DiagID) { |
73 | return Diags.Report(Loc, DiagID); |
74 | } |
75 | |
76 | DiagnosticBuilder Parser::Diag(const Token &Tok, unsigned DiagID) { |
77 | return Diag(Tok.getLocation(), DiagID); |
78 | } |
79 | |
80 | |
81 | |
82 | |
83 | |
84 | |
85 | |
86 | void Parser::SuggestParentheses(SourceLocation Loc, unsigned DK, |
87 | SourceRange ParenRange) { |
88 | SourceLocation EndLoc = PP.getLocForEndOfToken(ParenRange.getEnd()); |
89 | if (!ParenRange.getEnd().isFileID() || EndLoc.isInvalid()) { |
90 | |
91 | |
92 | Diag(Loc, DK); |
93 | return; |
94 | } |
95 | |
96 | Diag(Loc, DK) |
97 | << FixItHint::CreateInsertion(ParenRange.getBegin(), "(") |
98 | << FixItHint::CreateInsertion(EndLoc, ")"); |
99 | } |
100 | |
101 | static bool IsCommonTypo(tok::TokenKind ExpectedTok, const Token &Tok) { |
102 | switch (ExpectedTok) { |
103 | case tok::semi: |
104 | return Tok.is(tok::colon) || Tok.is(tok::comma); |
105 | default: return false; |
106 | } |
107 | } |
108 | |
109 | bool Parser::ExpectAndConsume(tok::TokenKind ExpectedTok, unsigned DiagID, |
110 | StringRef Msg) { |
111 | if (Tok.is(ExpectedTok) || Tok.is(tok::code_completion)) { |
112 | ConsumeAnyToken(); |
113 | return false; |
114 | } |
115 | |
116 | |
117 | if (IsCommonTypo(ExpectedTok, Tok)) { |
118 | SourceLocation Loc = Tok.getLocation(); |
119 | { |
120 | DiagnosticBuilder DB = Diag(Loc, DiagID); |
121 | DB << FixItHint::CreateReplacement( |
122 | SourceRange(Loc), tok::getPunctuatorSpelling(ExpectedTok)); |
123 | if (DiagID == diag::err_expected) |
124 | DB << ExpectedTok; |
125 | else if (DiagID == diag::err_expected_after) |
126 | DB << Msg << ExpectedTok; |
127 | else |
128 | DB << Msg; |
129 | } |
130 | |
131 | |
132 | ConsumeAnyToken(); |
133 | return false; |
134 | } |
135 | |
136 | SourceLocation EndLoc = PP.getLocForEndOfToken(PrevTokLocation); |
137 | const char *Spelling = nullptr; |
138 | if (EndLoc.isValid()) |
139 | Spelling = tok::getPunctuatorSpelling(ExpectedTok); |
140 | |
141 | DiagnosticBuilder DB = |
142 | Spelling |
143 | ? Diag(EndLoc, DiagID) << FixItHint::CreateInsertion(EndLoc, Spelling) |
144 | : Diag(Tok, DiagID); |
145 | if (DiagID == diag::err_expected) |
146 | DB << ExpectedTok; |
147 | else if (DiagID == diag::err_expected_after) |
148 | DB << Msg << ExpectedTok; |
149 | else |
150 | DB << Msg; |
151 | |
152 | return true; |
153 | } |
154 | |
155 | bool Parser::ExpectAndConsumeSemi(unsigned DiagID) { |
156 | if (TryConsumeToken(tok::semi)) |
157 | return false; |
158 | |
159 | if (Tok.is(tok::code_completion)) { |
160 | handleUnexpectedCodeCompletionToken(); |
161 | return false; |
162 | } |
163 | |
164 | if ((Tok.is(tok::r_paren) || Tok.is(tok::r_square)) && |
165 | NextToken().is(tok::semi)) { |
166 | Diag(Tok, diag::err_extraneous_token_before_semi) |
167 | << PP.getSpelling(Tok) |
168 | << FixItHint::CreateRemoval(Tok.getLocation()); |
169 | ConsumeAnyToken(); |
170 | ConsumeToken(); |
171 | return false; |
172 | } |
173 | |
174 | return ExpectAndConsume(tok::semi, DiagID); |
175 | } |
176 | |
177 | void Parser::(ExtraSemiKind Kind, unsigned TST) { |
178 | if (!Tok.is(tok::semi)) return; |
179 | |
180 | bool HadMultipleSemis = false; |
181 | SourceLocation StartLoc = Tok.getLocation(); |
182 | SourceLocation EndLoc = Tok.getLocation(); |
183 | ConsumeToken(); |
184 | |
185 | while ((Tok.is(tok::semi) && !Tok.isAtStartOfLine())) { |
186 | HadMultipleSemis = true; |
187 | EndLoc = Tok.getLocation(); |
188 | ConsumeToken(); |
189 | } |
190 | |
191 | |
192 | |
193 | if (Kind == OutsideFunction && getLangOpts().CPlusPlus) { |
194 | if (getLangOpts().CPlusPlus11) |
195 | Diag(StartLoc, diag::warn_cxx98_compat_top_level_semi) |
196 | << FixItHint::CreateRemoval(SourceRange(StartLoc, EndLoc)); |
197 | else |
198 | Diag(StartLoc, diag::ext_extra_semi_cxx11) |
199 | << FixItHint::CreateRemoval(SourceRange(StartLoc, EndLoc)); |
200 | return; |
201 | } |
202 | |
203 | if (Kind != AfterMemberFunctionDefinition || HadMultipleSemis) |
204 | Diag(StartLoc, diag::ext_extra_semi) |
205 | << Kind << DeclSpec::getSpecifierName((DeclSpec::TST)TST, |
206 | Actions.getASTContext().getPrintingPolicy()) |
207 | << FixItHint::CreateRemoval(SourceRange(StartLoc, EndLoc)); |
208 | else |
209 | |
210 | Diag(StartLoc, diag::warn_extra_semi_after_mem_fn_def) |
211 | << FixItHint::CreateRemoval(SourceRange(StartLoc, EndLoc)); |
212 | } |
213 | |
214 | bool Parser::expectIdentifier() { |
215 | if (Tok.is(tok::identifier)) |
216 | return false; |
217 | if (const auto *II = Tok.getIdentifierInfo()) { |
218 | if (II->isCPlusPlusKeyword(getLangOpts())) { |
219 | Diag(Tok, diag::err_expected_token_instead_of_objcxx_keyword) |
220 | << tok::identifier << Tok.getIdentifierInfo(); |
221 | |
222 | return false; |
223 | } |
224 | } |
225 | Diag(Tok, diag::err_expected) << tok::identifier; |
226 | return true; |
227 | } |
228 | |
229 | |
230 | |
231 | |
232 | |
233 | static bool HasFlagsSet(Parser::SkipUntilFlags L, Parser::SkipUntilFlags R) { |
234 | return (static_cast<unsigned>(L) & static_cast<unsigned>(R)) != 0; |
235 | } |
236 | |
237 | |
238 | |
239 | |
240 | |
241 | |
242 | |
243 | |
244 | |
245 | bool Parser::SkipUntil(ArrayRef<tok::TokenKind> Toks, SkipUntilFlags Flags) { |
246 | |
247 | |
248 | bool isFirstTokenSkipped = true; |
249 | while (1) { |
250 | |
251 | for (unsigned i = 0, NumToks = Toks.size(); i != NumToks; ++i) { |
252 | if (Tok.is(Toks[i])) { |
253 | if (HasFlagsSet(Flags, StopBeforeMatch)) { |
254 | |
255 | } else { |
256 | ConsumeAnyToken(); |
257 | } |
258 | return true; |
259 | } |
260 | } |
261 | |
262 | |
263 | |
264 | |
265 | if (Toks.size() == 1 && Toks[0] == tok::eof && |
266 | !HasFlagsSet(Flags, StopAtSemi) && |
267 | !HasFlagsSet(Flags, StopAtCodeCompletion)) { |
268 | while (Tok.isNot(tok::eof)) |
269 | ConsumeAnyToken(); |
270 | return true; |
271 | } |
272 | |
273 | switch (Tok.getKind()) { |
274 | case tok::eof: |
275 | |
276 | return false; |
277 | |
278 | case tok::annot_pragma_openmp: |
279 | case tok::annot_pragma_openmp_end: |
280 | |
281 | case tok::annot_module_begin: |
282 | case tok::annot_module_end: |
283 | case tok::annot_module_include: |
284 | |
285 | |
286 | |
287 | return false; |
288 | |
289 | case tok::code_completion: |
290 | if (!HasFlagsSet(Flags, StopAtCodeCompletion)) |
291 | handleUnexpectedCodeCompletionToken(); |
292 | return false; |
293 | |
294 | case tok::l_paren: |
295 | |
296 | ConsumeParen(); |
297 | if (HasFlagsSet(Flags, StopAtCodeCompletion)) |
298 | SkipUntil(tok::r_paren, StopAtCodeCompletion); |
299 | else |
300 | SkipUntil(tok::r_paren); |
301 | break; |
302 | case tok::l_square: |
303 | |
304 | ConsumeBracket(); |
305 | if (HasFlagsSet(Flags, StopAtCodeCompletion)) |
306 | SkipUntil(tok::r_square, StopAtCodeCompletion); |
307 | else |
308 | SkipUntil(tok::r_square); |
309 | break; |
310 | case tok::l_brace: |
311 | |
312 | ConsumeBrace(); |
313 | if (HasFlagsSet(Flags, StopAtCodeCompletion)) |
314 | SkipUntil(tok::r_brace, StopAtCodeCompletion); |
315 | else |
316 | SkipUntil(tok::r_brace); |
317 | break; |
318 | |
319 | |
320 | |
321 | |
322 | |
323 | |
324 | case tok::r_paren: |
325 | if (ParenCount && !isFirstTokenSkipped) |
326 | return false; |
327 | ConsumeParen(); |
328 | break; |
329 | case tok::r_square: |
330 | if (BracketCount && !isFirstTokenSkipped) |
331 | return false; |
332 | ConsumeBracket(); |
333 | break; |
334 | case tok::r_brace: |
335 | if (BraceCount && !isFirstTokenSkipped) |
336 | return false; |
337 | ConsumeBrace(); |
338 | break; |
339 | |
340 | case tok::semi: |
341 | if (HasFlagsSet(Flags, StopAtSemi)) |
342 | return false; |
343 | LLVM_FALLTHROUGH; |
344 | default: |
345 | |
346 | ConsumeAnyToken(); |
347 | break; |
348 | } |
349 | isFirstTokenSkipped = false; |
350 | } |
351 | } |
352 | |
353 | |
354 | |
355 | |
356 | |
357 | |
358 | void Parser::EnterScope(unsigned ScopeFlags) { |
359 | if (NumCachedScopes) { |
360 | Scope *N = ScopeCache[--NumCachedScopes]; |
361 | N->Init(getCurScope(), ScopeFlags); |
362 | Actions.CurScope = N; |
363 | } else { |
364 | Actions.CurScope = new Scope(getCurScope(), ScopeFlags, Diags); |
365 | } |
366 | } |
367 | |
368 | |
369 | void Parser::ExitScope() { |
370 | (0) . __assert_fail ("getCurScope() && \"Scope imbalance!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 370, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(getCurScope() && "Scope imbalance!"); |
371 | |
372 | |
373 | |
374 | Actions.ActOnPopScope(Tok.getLocation(), getCurScope()); |
375 | |
376 | Scope *OldScope = getCurScope(); |
377 | Actions.CurScope = OldScope->getParent(); |
378 | |
379 | if (NumCachedScopes == ScopeCacheSize) |
380 | delete OldScope; |
381 | else |
382 | ScopeCache[NumCachedScopes++] = OldScope; |
383 | } |
384 | |
385 | |
386 | |
387 | Parser::ParseScopeFlags::ParseScopeFlags(Parser *Self, unsigned ScopeFlags, |
388 | bool ManageFlags) |
389 | : CurScope(ManageFlags ? Self->getCurScope() : nullptr) { |
390 | if (CurScope) { |
391 | OldFlags = CurScope->getFlags(); |
392 | CurScope->setFlags(ScopeFlags); |
393 | } |
394 | } |
395 | |
396 | |
397 | |
398 | Parser::ParseScopeFlags::~ParseScopeFlags() { |
399 | if (CurScope) |
400 | CurScope->setFlags(OldFlags); |
401 | } |
402 | |
403 | |
404 | |
405 | |
406 | |
407 | |
408 | Parser::~Parser() { |
409 | |
410 | delete getCurScope(); |
411 | Actions.CurScope = nullptr; |
412 | |
413 | |
414 | for (unsigned i = 0, e = NumCachedScopes; i != e; ++i) |
415 | delete ScopeCache[i]; |
416 | |
417 | resetPragmaHandlers(); |
418 | |
419 | PP.removeCommentHandler(CommentSemaHandler.get()); |
420 | |
421 | PP.clearCodeCompletionHandler(); |
422 | |
423 | if (getLangOpts().DelayedTemplateParsing && |
424 | !PP.isIncrementalProcessingEnabled() && !TemplateIds.empty()) { |
425 | |
426 | |
427 | |
428 | |
429 | DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(TemplateIds); |
430 | } |
431 | |
432 | (0) . __assert_fail ("TemplateIds.empty() && \"Still alive TemplateIdAnnotations around?\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 432, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(TemplateIds.empty() && "Still alive TemplateIdAnnotations around?"); |
433 | } |
434 | |
435 | |
436 | |
437 | void Parser::Initialize() { |
438 | |
439 | (0) . __assert_fail ("getCurScope() == nullptr && \"A scope is already active?\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 439, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(getCurScope() == nullptr && "A scope is already active?"); |
440 | EnterScope(Scope::DeclScope); |
441 | Actions.ActOnTranslationUnitScope(getCurScope()); |
442 | |
443 | |
444 | |
445 | if (getLangOpts().ObjC) { |
446 | ObjCTypeQuals[objc_in] = &PP.getIdentifierTable().get("in"); |
447 | ObjCTypeQuals[objc_out] = &PP.getIdentifierTable().get("out"); |
448 | ObjCTypeQuals[objc_inout] = &PP.getIdentifierTable().get("inout"); |
449 | ObjCTypeQuals[objc_oneway] = &PP.getIdentifierTable().get("oneway"); |
450 | ObjCTypeQuals[objc_bycopy] = &PP.getIdentifierTable().get("bycopy"); |
451 | ObjCTypeQuals[objc_byref] = &PP.getIdentifierTable().get("byref"); |
452 | ObjCTypeQuals[objc_nonnull] = &PP.getIdentifierTable().get("nonnull"); |
453 | ObjCTypeQuals[objc_nullable] = &PP.getIdentifierTable().get("nullable"); |
454 | ObjCTypeQuals[objc_null_unspecified] |
455 | = &PP.getIdentifierTable().get("null_unspecified"); |
456 | } |
457 | |
458 | Ident_instancetype = nullptr; |
459 | Ident_final = nullptr; |
460 | Ident_sealed = nullptr; |
461 | Ident_override = nullptr; |
462 | Ident_GNU_final = nullptr; |
463 | |
464 | Ident_super = &PP.getIdentifierTable().get("super"); |
465 | |
466 | Ident_vector = nullptr; |
467 | Ident_bool = nullptr; |
468 | Ident_pixel = nullptr; |
469 | if (getLangOpts().AltiVec || getLangOpts().ZVector) { |
470 | Ident_vector = &PP.getIdentifierTable().get("vector"); |
471 | Ident_bool = &PP.getIdentifierTable().get("bool"); |
472 | } |
473 | if (getLangOpts().AltiVec) |
474 | Ident_pixel = &PP.getIdentifierTable().get("pixel"); |
475 | |
476 | Ident_introduced = nullptr; |
477 | Ident_deprecated = nullptr; |
478 | Ident_obsoleted = nullptr; |
479 | Ident_unavailable = nullptr; |
480 | Ident_strict = nullptr; |
481 | Ident_replacement = nullptr; |
482 | |
483 | Ident_language = Ident_defined_in = Ident_generated_declaration = nullptr; |
484 | |
485 | Ident__except = nullptr; |
486 | |
487 | Ident__exception_code = Ident__exception_info = nullptr; |
488 | Ident__abnormal_termination = Ident___exception_code = nullptr; |
489 | Ident___exception_info = Ident___abnormal_termination = nullptr; |
490 | Ident_GetExceptionCode = Ident_GetExceptionInfo = nullptr; |
491 | Ident_AbnormalTermination = nullptr; |
492 | |
493 | if(getLangOpts().Borland) { |
494 | Ident__exception_info = PP.getIdentifierInfo("_exception_info"); |
495 | Ident___exception_info = PP.getIdentifierInfo("__exception_info"); |
496 | Ident_GetExceptionInfo = PP.getIdentifierInfo("GetExceptionInformation"); |
497 | Ident__exception_code = PP.getIdentifierInfo("_exception_code"); |
498 | Ident___exception_code = PP.getIdentifierInfo("__exception_code"); |
499 | Ident_GetExceptionCode = PP.getIdentifierInfo("GetExceptionCode"); |
500 | Ident__abnormal_termination = PP.getIdentifierInfo("_abnormal_termination"); |
501 | Ident___abnormal_termination = PP.getIdentifierInfo("__abnormal_termination"); |
502 | Ident_AbnormalTermination = PP.getIdentifierInfo("AbnormalTermination"); |
503 | |
504 | PP.SetPoisonReason(Ident__exception_code,diag::err_seh___except_block); |
505 | PP.SetPoisonReason(Ident___exception_code,diag::err_seh___except_block); |
506 | PP.SetPoisonReason(Ident_GetExceptionCode,diag::err_seh___except_block); |
507 | PP.SetPoisonReason(Ident__exception_info,diag::err_seh___except_filter); |
508 | PP.SetPoisonReason(Ident___exception_info,diag::err_seh___except_filter); |
509 | PP.SetPoisonReason(Ident_GetExceptionInfo,diag::err_seh___except_filter); |
510 | PP.SetPoisonReason(Ident__abnormal_termination,diag::err_seh___finally_block); |
511 | PP.SetPoisonReason(Ident___abnormal_termination,diag::err_seh___finally_block); |
512 | PP.SetPoisonReason(Ident_AbnormalTermination,diag::err_seh___finally_block); |
513 | } |
514 | |
515 | Actions.Initialize(); |
516 | |
517 | |
518 | ConsumeToken(); |
519 | } |
520 | |
521 | void Parser::LateTemplateParserCleanupCallback(void *P) { |
522 | |
523 | |
524 | |
525 | DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(((Parser *)P)->TemplateIds); |
526 | } |
527 | |
528 | bool Parser::ParseFirstTopLevelDecl(DeclGroupPtrTy &Result) { |
529 | Actions.ActOnStartOfTranslationUnit(); |
530 | |
531 | |
532 | |
533 | |
534 | |
535 | bool NoTopLevelDecls = ParseTopLevelDecl(Result); |
536 | if (NoTopLevelDecls && !Actions.getASTContext().getExternalSource() && |
537 | !getLangOpts().CPlusPlus) |
538 | Diag(diag::ext_empty_translation_unit); |
539 | |
540 | return NoTopLevelDecls; |
541 | } |
542 | |
543 | |
544 | |
545 | bool Parser::ParseTopLevelDecl(DeclGroupPtrTy &Result) { |
546 | DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(TemplateIds); |
547 | |
548 | |
549 | |
550 | if (PP.isIncrementalProcessingEnabled() && Tok.is(tok::eof)) |
551 | ConsumeToken(); |
552 | |
553 | Result = nullptr; |
554 | switch (Tok.getKind()) { |
555 | case tok::annot_pragma_unused: |
556 | HandlePragmaUnused(); |
557 | return false; |
558 | |
559 | case tok::kw_export: |
560 | if (NextToken().isNot(tok::kw_module)) |
561 | break; |
562 | LLVM_FALLTHROUGH; |
563 | case tok::kw_module: |
564 | Result = ParseModuleDecl(); |
565 | return false; |
566 | |
567 | case tok::annot_module_include: |
568 | Actions.ActOnModuleInclude(Tok.getLocation(), |
569 | reinterpret_cast<Module *>( |
570 | Tok.getAnnotationValue())); |
571 | ConsumeAnnotationToken(); |
572 | return false; |
573 | |
574 | case tok::annot_module_begin: |
575 | Actions.ActOnModuleBegin(Tok.getLocation(), reinterpret_cast<Module *>( |
576 | Tok.getAnnotationValue())); |
577 | ConsumeAnnotationToken(); |
578 | return false; |
579 | |
580 | case tok::annot_module_end: |
581 | Actions.ActOnModuleEnd(Tok.getLocation(), reinterpret_cast<Module *>( |
582 | Tok.getAnnotationValue())); |
583 | ConsumeAnnotationToken(); |
584 | return false; |
585 | |
586 | case tok::eof: |
587 | |
588 | if (getLangOpts().DelayedTemplateParsing) |
589 | Actions.SetLateTemplateParser(LateTemplateParserCallback, |
590 | PP.isIncrementalProcessingEnabled() ? |
591 | LateTemplateParserCleanupCallback : nullptr, |
592 | this); |
593 | if (!PP.isIncrementalProcessingEnabled()) |
594 | Actions.ActOnEndOfTranslationUnit(); |
595 | |
596 | return true; |
597 | |
598 | default: |
599 | break; |
600 | } |
601 | |
602 | ParsedAttributesWithRange attrs(AttrFactory); |
603 | MaybeParseCXX11Attributes(attrs); |
604 | |
605 | Result = ParseExternalDeclaration(attrs); |
606 | return false; |
607 | } |
608 | |
609 | |
610 | |
611 | |
612 | |
613 | |
614 | |
615 | |
616 | |
617 | |
618 | |
619 | |
620 | |
621 | |
622 | |
623 | |
624 | |
625 | |
626 | |
627 | |
628 | |
629 | |
630 | |
631 | |
632 | |
633 | |
634 | |
635 | Parser::DeclGroupPtrTy |
636 | Parser::ParseExternalDeclaration(ParsedAttributesWithRange &attrs, |
637 | ParsingDeclSpec *DS) { |
638 | DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(TemplateIds); |
639 | ParenBraceBracketBalancer BalancerRAIIObj(*this); |
640 | |
641 | if (PP.isCodeCompletionReached()) { |
642 | cutOffParsing(); |
643 | return nullptr; |
644 | } |
645 | |
646 | Decl *SingleDecl = nullptr; |
647 | switch (Tok.getKind()) { |
648 | case tok::annot_pragma_vis: |
649 | HandlePragmaVisibility(); |
650 | return nullptr; |
651 | case tok::annot_pragma_pack: |
652 | HandlePragmaPack(); |
653 | return nullptr; |
654 | case tok::annot_pragma_msstruct: |
655 | HandlePragmaMSStruct(); |
656 | return nullptr; |
657 | case tok::annot_pragma_align: |
658 | HandlePragmaAlign(); |
659 | return nullptr; |
660 | case tok::annot_pragma_weak: |
661 | HandlePragmaWeak(); |
662 | return nullptr; |
663 | case tok::annot_pragma_weakalias: |
664 | HandlePragmaWeakAlias(); |
665 | return nullptr; |
666 | case tok::annot_pragma_redefine_extname: |
667 | HandlePragmaRedefineExtname(); |
668 | return nullptr; |
669 | case tok::annot_pragma_fp_contract: |
670 | HandlePragmaFPContract(); |
671 | return nullptr; |
672 | case tok::annot_pragma_fenv_access: |
673 | HandlePragmaFEnvAccess(); |
674 | return nullptr; |
675 | case tok::annot_pragma_fp: |
676 | HandlePragmaFP(); |
677 | break; |
678 | case tok::annot_pragma_opencl_extension: |
679 | HandlePragmaOpenCLExtension(); |
680 | return nullptr; |
681 | case tok::annot_pragma_openmp: { |
682 | AccessSpecifier AS = AS_none; |
683 | return ParseOpenMPDeclarativeDirectiveWithExtDecl(AS, attrs); |
684 | } |
685 | case tok::annot_pragma_ms_pointers_to_members: |
686 | HandlePragmaMSPointersToMembers(); |
687 | return nullptr; |
688 | case tok::annot_pragma_ms_vtordisp: |
689 | HandlePragmaMSVtorDisp(); |
690 | return nullptr; |
691 | case tok::annot_pragma_ms_pragma: |
692 | HandlePragmaMSPragma(); |
693 | return nullptr; |
694 | case tok::annot_pragma_dump: |
695 | HandlePragmaDump(); |
696 | return nullptr; |
697 | case tok::annot_pragma_attribute: |
698 | HandlePragmaAttribute(); |
699 | return nullptr; |
700 | case tok::semi: |
701 | |
702 | SingleDecl = |
703 | Actions.ActOnEmptyDeclaration(getCurScope(), attrs, Tok.getLocation()); |
704 | ConsumeExtraSemi(OutsideFunction); |
705 | break; |
706 | case tok::r_brace: |
707 | Diag(Tok, diag::err_extraneous_closing_brace); |
708 | ConsumeBrace(); |
709 | return nullptr; |
710 | case tok::eof: |
711 | Diag(Tok, diag::err_expected_external_declaration); |
712 | return nullptr; |
713 | case tok::kw___extension__: { |
714 | |
715 | ExtensionRAIIObject O(Diags); |
716 | ConsumeToken(); |
717 | return ParseExternalDeclaration(attrs); |
718 | } |
719 | case tok::kw_asm: { |
720 | ProhibitAttributes(attrs); |
721 | |
722 | SourceLocation StartLoc = Tok.getLocation(); |
723 | SourceLocation EndLoc; |
724 | |
725 | ExprResult Result(ParseSimpleAsm(&EndLoc)); |
726 | |
727 | |
728 | |
729 | |
730 | if (!(getLangOpts().GNUAsm || Result.isInvalid())) { |
731 | const auto *SL = cast<StringLiteral>(Result.get()); |
732 | if (!SL->getString().trim().empty()) |
733 | Diag(StartLoc, diag::err_gnu_inline_asm_disabled); |
734 | } |
735 | |
736 | ExpectAndConsume(tok::semi, diag::err_expected_after, |
737 | "top-level asm block"); |
738 | |
739 | if (Result.isInvalid()) |
740 | return nullptr; |
741 | SingleDecl = Actions.ActOnFileScopeAsmDecl(Result.get(), StartLoc, EndLoc); |
742 | break; |
743 | } |
744 | case tok::at: |
745 | return ParseObjCAtDirectives(attrs); |
746 | case tok::minus: |
747 | case tok::plus: |
748 | if (!getLangOpts().ObjC) { |
749 | Diag(Tok, diag::err_expected_external_declaration); |
750 | ConsumeToken(); |
751 | return nullptr; |
752 | } |
753 | SingleDecl = ParseObjCMethodDefinition(); |
754 | break; |
755 | case tok::code_completion: |
756 | if (CurParsedObjCImpl) { |
757 | |
758 | Actions.CodeCompleteObjCMethodDecl(getCurScope(), |
759 | None, |
760 | ); |
761 | } |
762 | Actions.CodeCompleteOrdinaryName( |
763 | getCurScope(), |
764 | CurParsedObjCImpl ? Sema::PCC_ObjCImplementation : Sema::PCC_Namespace); |
765 | cutOffParsing(); |
766 | return nullptr; |
767 | case tok::kw_import: |
768 | SingleDecl = ParseModuleImport(SourceLocation()); |
769 | break; |
770 | case tok::kw_export: |
771 | if (getLangOpts().ModulesTS) { |
772 | SingleDecl = ParseExportDeclaration(); |
773 | break; |
774 | } |
775 | |
776 | |
777 | LLVM_FALLTHROUGH; |
778 | case tok::kw_using: |
779 | case tok::kw_namespace: |
780 | case tok::kw_typedef: |
781 | case tok::kw_template: |
782 | case tok::kw_static_assert: |
783 | case tok::kw__Static_assert: |
784 | |
785 | { |
786 | SourceLocation DeclEnd; |
787 | return ParseDeclaration(DeclaratorContext::FileContext, DeclEnd, attrs); |
788 | } |
789 | |
790 | case tok::kw_static: |
791 | |
792 | |
793 | if (getLangOpts().CPlusPlus && NextToken().is(tok::kw_template)) { |
794 | Diag(ConsumeToken(), diag::warn_static_inline_explicit_inst_ignored) |
795 | << 0; |
796 | SourceLocation DeclEnd; |
797 | return ParseDeclaration(DeclaratorContext::FileContext, DeclEnd, attrs); |
798 | } |
799 | goto dont_know; |
800 | |
801 | case tok::kw_inline: |
802 | if (getLangOpts().CPlusPlus) { |
803 | tok::TokenKind NextKind = NextToken().getKind(); |
804 | |
805 | |
806 | if (NextKind == tok::kw_namespace) { |
807 | SourceLocation DeclEnd; |
808 | return ParseDeclaration(DeclaratorContext::FileContext, DeclEnd, attrs); |
809 | } |
810 | |
811 | |
812 | |
813 | if (NextKind == tok::kw_template) { |
814 | Diag(ConsumeToken(), diag::warn_static_inline_explicit_inst_ignored) |
815 | << 1; |
816 | SourceLocation DeclEnd; |
817 | return ParseDeclaration(DeclaratorContext::FileContext, DeclEnd, attrs); |
818 | } |
819 | } |
820 | goto dont_know; |
821 | |
822 | case tok::kw_extern: |
823 | if (getLangOpts().CPlusPlus && NextToken().is(tok::kw_template)) { |
824 | |
825 | SourceLocation ExternLoc = ConsumeToken(); |
826 | SourceLocation TemplateLoc = ConsumeToken(); |
827 | Diag(ExternLoc, getLangOpts().CPlusPlus11 ? |
828 | diag::warn_cxx98_compat_extern_template : |
829 | diag::ext_extern_template) << SourceRange(ExternLoc, TemplateLoc); |
830 | SourceLocation DeclEnd; |
831 | return Actions.ConvertDeclToDeclGroup( |
832 | ParseExplicitInstantiation(DeclaratorContext::FileContext, ExternLoc, |
833 | TemplateLoc, DeclEnd, attrs)); |
834 | } |
835 | goto dont_know; |
836 | |
837 | case tok::kw___if_exists: |
838 | case tok::kw___if_not_exists: |
839 | ParseMicrosoftIfExistsExternalDeclaration(); |
840 | return nullptr; |
841 | |
842 | case tok::kw_module: |
843 | Diag(Tok, diag::err_unexpected_module_decl); |
844 | SkipUntil(tok::semi); |
845 | return nullptr; |
846 | |
847 | default: |
848 | dont_know: |
849 | if (Tok.isEditorPlaceholder()) { |
850 | ConsumeToken(); |
851 | return nullptr; |
852 | } |
853 | |
854 | return ParseDeclarationOrFunctionDefinition(attrs, DS); |
855 | } |
856 | |
857 | |
858 | |
859 | return Actions.ConvertDeclToDeclGroup(SingleDecl); |
860 | } |
861 | |
862 | |
863 | |
864 | bool Parser::isDeclarationAfterDeclarator() { |
865 | |
866 | if (getLangOpts().CPlusPlus && Tok.is(tok::equal)) { |
867 | const Token &KW = NextToken(); |
868 | if (KW.is(tok::kw_default) || KW.is(tok::kw_delete)) |
869 | return false; |
870 | } |
871 | |
872 | return Tok.is(tok::equal) || |
873 | Tok.is(tok::comma) || |
874 | Tok.is(tok::semi) || |
875 | Tok.is(tok::kw_asm) || |
876 | Tok.is(tok::kw___attribute) || |
877 | (getLangOpts().CPlusPlus && |
878 | Tok.is(tok::l_paren)); |
879 | } |
880 | |
881 | |
882 | |
883 | bool Parser::isStartOfFunctionDefinition(const ParsingDeclarator &Declarator) { |
884 | (0) . __assert_fail ("Declarator.isFunctionDeclarator() && \"Isn't a function declarator\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 884, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Declarator.isFunctionDeclarator() && "Isn't a function declarator"); |
885 | if (Tok.is(tok::l_brace)) |
886 | return true; |
887 | |
888 | |
889 | if (!getLangOpts().CPlusPlus && |
890 | Declarator.getFunctionTypeInfo().isKNRPrototype()) |
891 | return isDeclarationSpecifier(); |
892 | |
893 | if (getLangOpts().CPlusPlus && Tok.is(tok::equal)) { |
894 | const Token &KW = NextToken(); |
895 | return KW.is(tok::kw_default) || KW.is(tok::kw_delete); |
896 | } |
897 | |
898 | return Tok.is(tok::colon) || |
899 | Tok.is(tok::kw_try); |
900 | } |
901 | |
902 | |
903 | |
904 | |
905 | |
906 | |
907 | |
908 | |
909 | |
910 | |
911 | |
912 | |
913 | |
914 | |
915 | |
916 | |
917 | |
918 | Parser::DeclGroupPtrTy |
919 | Parser::ParseDeclOrFunctionDefInternal(ParsedAttributesWithRange &attrs, |
920 | ParsingDeclSpec &DS, |
921 | AccessSpecifier AS) { |
922 | MaybeParseMicrosoftAttributes(DS.getAttributes()); |
923 | |
924 | ParseDeclarationSpecifiers(DS, ParsedTemplateInfo(), AS, |
925 | DeclSpecContext::DSC_top_level); |
926 | |
927 | |
928 | |
929 | if (DS.hasTagDefinition() && DiagnoseMissingSemiAfterTagDefinition( |
930 | DS, AS, DeclSpecContext::DSC_top_level)) |
931 | return nullptr; |
932 | |
933 | |
934 | |
935 | if (Tok.is(tok::semi)) { |
936 | auto LengthOfTSTToken = [](DeclSpec::TST TKind) { |
937 | assert(DeclSpec::isDeclRep(TKind)); |
938 | switch(TKind) { |
939 | case DeclSpec::TST_class: |
940 | return 5; |
941 | case DeclSpec::TST_struct: |
942 | return 6; |
943 | case DeclSpec::TST_union: |
944 | return 5; |
945 | case DeclSpec::TST_enum: |
946 | return 4; |
947 | case DeclSpec::TST_interface: |
948 | return 9; |
949 | default: |
950 | llvm_unreachable("we only expect to get the length of the class/struct/union/enum"); |
951 | } |
952 | |
953 | }; |
954 | |
955 | SourceLocation CorrectLocationForAttributes = |
956 | DeclSpec::isDeclRep(DS.getTypeSpecType()) |
957 | ? DS.getTypeSpecTypeLoc().getLocWithOffset( |
958 | LengthOfTSTToken(DS.getTypeSpecType())) |
959 | : SourceLocation(); |
960 | ProhibitAttributes(attrs, CorrectLocationForAttributes); |
961 | ConsumeToken(); |
962 | RecordDecl *AnonRecord = nullptr; |
963 | Decl *TheDecl = Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS_none, |
964 | DS, AnonRecord); |
965 | DS.complete(TheDecl); |
966 | if (getLangOpts().OpenCL) |
967 | Actions.setCurrentOpenCLExtensionForDecl(TheDecl); |
968 | if (AnonRecord) { |
969 | Decl* decls[] = {AnonRecord, TheDecl}; |
970 | return Actions.BuildDeclaratorGroup(decls); |
971 | } |
972 | return Actions.ConvertDeclToDeclGroup(TheDecl); |
973 | } |
974 | |
975 | DS.takeAttributesFrom(attrs); |
976 | |
977 | |
978 | |
979 | |
980 | if (getLangOpts().ObjC && Tok.is(tok::at)) { |
981 | SourceLocation AtLoc = ConsumeToken(); |
982 | if (!Tok.isObjCAtKeyword(tok::objc_interface) && |
983 | !Tok.isObjCAtKeyword(tok::objc_protocol)) { |
984 | Diag(Tok, diag::err_objc_unexpected_attr); |
985 | SkipUntil(tok::semi); |
986 | return nullptr; |
987 | } |
988 | |
989 | DS.abort(); |
990 | |
991 | const char *PrevSpec = nullptr; |
992 | unsigned DiagID; |
993 | if (DS.SetTypeSpecType(DeclSpec::TST_unspecified, AtLoc, PrevSpec, DiagID, |
994 | Actions.getASTContext().getPrintingPolicy())) |
995 | Diag(AtLoc, DiagID) << PrevSpec; |
996 | |
997 | if (Tok.isObjCAtKeyword(tok::objc_protocol)) |
998 | return ParseObjCAtProtocolDeclaration(AtLoc, DS.getAttributes()); |
999 | |
1000 | return Actions.ConvertDeclToDeclGroup( |
1001 | ParseObjCAtInterfaceDeclaration(AtLoc, DS.getAttributes())); |
1002 | } |
1003 | |
1004 | |
1005 | |
1006 | |
1007 | if (getLangOpts().CPlusPlus && isTokenStringLiteral() && |
1008 | DS.getStorageClassSpec() == DeclSpec::SCS_extern && |
1009 | DS.getParsedSpecifiers() == DeclSpec::PQ_StorageClassSpecifier) { |
1010 | Decl *TheDecl = ParseLinkage(DS, DeclaratorContext::FileContext); |
1011 | return Actions.ConvertDeclToDeclGroup(TheDecl); |
1012 | } |
1013 | |
1014 | return ParseDeclGroup(DS, DeclaratorContext::FileContext); |
1015 | } |
1016 | |
1017 | Parser::DeclGroupPtrTy |
1018 | Parser::ParseDeclarationOrFunctionDefinition(ParsedAttributesWithRange &attrs, |
1019 | ParsingDeclSpec *DS, |
1020 | AccessSpecifier AS) { |
1021 | if (DS) { |
1022 | return ParseDeclOrFunctionDefInternal(attrs, *DS, AS); |
1023 | } else { |
1024 | ParsingDeclSpec PDS(*this); |
1025 | |
1026 | |
1027 | |
1028 | ObjCDeclContextSwitch ObjCDC(*this); |
1029 | |
1030 | return ParseDeclOrFunctionDefInternal(attrs, PDS, AS); |
1031 | } |
1032 | } |
1033 | |
1034 | |
1035 | |
1036 | |
1037 | |
1038 | |
1039 | |
1040 | |
1041 | |
1042 | |
1043 | |
1044 | |
1045 | |
1046 | |
1047 | |
1048 | Decl *Parser::ParseFunctionDefinition(ParsingDeclarator &D, |
1049 | const ParsedTemplateInfo &TemplateInfo, |
1050 | LateParsedAttrList *LateParsedAttrs) { |
1051 | |
1052 | PoisonSEHIdentifiersRAIIObject PoisonSEHIdentifiers(*this, true); |
1053 | const DeclaratorChunk::FunctionTypeInfo &FTI = D.getFunctionTypeInfo(); |
1054 | |
1055 | |
1056 | |
1057 | |
1058 | if (getLangOpts().ImplicitInt && D.getDeclSpec().isEmpty()) { |
1059 | const char *PrevSpec; |
1060 | unsigned DiagID; |
1061 | const PrintingPolicy &Policy = Actions.getASTContext().getPrintingPolicy(); |
1062 | D.getMutableDeclSpec().SetTypeSpecType(DeclSpec::TST_int, |
1063 | D.getIdentifierLoc(), |
1064 | PrevSpec, DiagID, |
1065 | Policy); |
1066 | D.SetRangeBegin(D.getDeclSpec().getSourceRange().getBegin()); |
1067 | } |
1068 | |
1069 | |
1070 | |
1071 | |
1072 | if (FTI.isKNRPrototype()) |
1073 | ParseKNRParamDeclarations(D); |
1074 | |
1075 | |
1076 | |
1077 | if (Tok.isNot(tok::l_brace) && |
1078 | (!getLangOpts().CPlusPlus || |
1079 | (Tok.isNot(tok::colon) && Tok.isNot(tok::kw_try) && |
1080 | Tok.isNot(tok::equal)))) { |
1081 | Diag(Tok, diag::err_expected_fn_body); |
1082 | |
1083 | |
1084 | SkipUntil(tok::l_brace, StopAtSemi | StopBeforeMatch); |
1085 | |
1086 | |
1087 | if (Tok.isNot(tok::l_brace)) |
1088 | return nullptr; |
1089 | } |
1090 | |
1091 | |
1092 | |
1093 | if (Tok.isNot(tok::equal)) { |
1094 | for (const ParsedAttr &AL : D.getAttributes()) |
1095 | if (AL.isKnownToGCC() && !AL.isCXX11Attribute()) |
1096 | Diag(AL.getLoc(), diag::warn_attribute_on_function_definition) |
1097 | << AL.getName(); |
1098 | } |
1099 | |
1100 | |
1101 | |
1102 | if (getLangOpts().DelayedTemplateParsing && Tok.isNot(tok::equal) && |
1103 | TemplateInfo.Kind == ParsedTemplateInfo::Template && |
1104 | Actions.canDelayFunctionBody(D)) { |
1105 | MultiTemplateParamsArg TemplateParameterLists(*TemplateInfo.TemplateParams); |
1106 | |
1107 | ParseScope BodyScope(this, Scope::FnScope | Scope::DeclScope | |
1108 | Scope::CompoundStmtScope); |
1109 | Scope *ParentScope = getCurScope()->getParent(); |
1110 | |
1111 | D.setFunctionDefinitionKind(FDK_Definition); |
1112 | Decl *DP = Actions.HandleDeclarator(ParentScope, D, |
1113 | TemplateParameterLists); |
1114 | D.complete(DP); |
1115 | D.getMutableDeclSpec().abort(); |
1116 | |
1117 | if (SkipFunctionBodies && (!DP || Actions.canSkipFunctionBody(DP)) && |
1118 | trySkippingFunctionBody()) { |
1119 | BodyScope.Exit(); |
1120 | return Actions.ActOnSkippedFunctionBody(DP); |
1121 | } |
1122 | |
1123 | CachedTokens Toks; |
1124 | LexTemplateFunctionForLateParsing(Toks); |
1125 | |
1126 | if (DP) { |
1127 | FunctionDecl *FnD = DP->getAsFunction(); |
1128 | Actions.CheckForFunctionRedefinition(FnD); |
1129 | Actions.MarkAsLateParsedTemplate(FnD, DP, Toks); |
1130 | } |
1131 | return DP; |
1132 | } |
1133 | else if (CurParsedObjCImpl && |
1134 | !TemplateInfo.TemplateParams && |
1135 | (Tok.is(tok::l_brace) || Tok.is(tok::kw_try) || |
1136 | Tok.is(tok::colon)) && |
1137 | Actions.CurContext->isTranslationUnit()) { |
1138 | ParseScope BodyScope(this, Scope::FnScope | Scope::DeclScope | |
1139 | Scope::CompoundStmtScope); |
1140 | Scope *ParentScope = getCurScope()->getParent(); |
1141 | |
1142 | D.setFunctionDefinitionKind(FDK_Definition); |
1143 | Decl *FuncDecl = Actions.HandleDeclarator(ParentScope, D, |
1144 | MultiTemplateParamsArg()); |
1145 | D.complete(FuncDecl); |
1146 | D.getMutableDeclSpec().abort(); |
1147 | if (FuncDecl) { |
1148 | |
1149 | StashAwayMethodOrFunctionBodyTokens(FuncDecl); |
1150 | CurParsedObjCImpl->HasCFunction = true; |
1151 | return FuncDecl; |
1152 | } |
1153 | |
1154 | } |
1155 | |
1156 | |
1157 | ParseScope BodyScope(this, Scope::FnScope | Scope::DeclScope | |
1158 | Scope::CompoundStmtScope); |
1159 | |
1160 | |
1161 | |
1162 | Sema::SkipBodyInfo SkipBody; |
1163 | Decl *Res = Actions.ActOnStartOfFunctionDef(getCurScope(), D, |
1164 | TemplateInfo.TemplateParams |
1165 | ? *TemplateInfo.TemplateParams |
1166 | : MultiTemplateParamsArg(), |
1167 | &SkipBody); |
1168 | |
1169 | if (SkipBody.ShouldSkip) { |
1170 | SkipFunctionBody(); |
1171 | return Res; |
1172 | } |
1173 | |
1174 | |
1175 | D.complete(Res); |
1176 | |
1177 | |
1178 | |
1179 | D.getMutableDeclSpec().abort(); |
1180 | |
1181 | if (TryConsumeToken(tok::equal)) { |
1182 | (0) . __assert_fail ("getLangOpts().CPlusPlus && \"Only C++ function definitions have '='\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1182, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(getLangOpts().CPlusPlus && "Only C++ function definitions have '='"); |
1183 | |
1184 | bool Delete = false; |
1185 | SourceLocation KWLoc; |
1186 | if (TryConsumeToken(tok::kw_delete, KWLoc)) { |
1187 | Diag(KWLoc, getLangOpts().CPlusPlus11 |
1188 | ? diag::warn_cxx98_compat_defaulted_deleted_function |
1189 | : diag::ext_defaulted_deleted_function) |
1190 | << 1 ; |
1191 | Actions.SetDeclDeleted(Res, KWLoc); |
1192 | Delete = true; |
1193 | } else if (TryConsumeToken(tok::kw_default, KWLoc)) { |
1194 | Diag(KWLoc, getLangOpts().CPlusPlus11 |
1195 | ? diag::warn_cxx98_compat_defaulted_deleted_function |
1196 | : diag::ext_defaulted_deleted_function) |
1197 | << 0 ; |
1198 | Actions.SetDeclDefaulted(Res, KWLoc); |
1199 | } else { |
1200 | llvm_unreachable("function definition after = not 'delete' or 'default'"); |
1201 | } |
1202 | |
1203 | if (Tok.is(tok::comma)) { |
1204 | Diag(KWLoc, diag::err_default_delete_in_multiple_declaration) |
1205 | << Delete; |
1206 | SkipUntil(tok::semi); |
1207 | } else if (ExpectAndConsume(tok::semi, diag::err_expected_after, |
1208 | Delete ? "delete" : "default")) { |
1209 | SkipUntil(tok::semi); |
1210 | } |
1211 | |
1212 | Stmt *GeneratedBody = Res ? Res->getBody() : nullptr; |
1213 | Actions.ActOnFinishFunctionBody(Res, GeneratedBody, false); |
1214 | return Res; |
1215 | } |
1216 | |
1217 | if (SkipFunctionBodies && (!Res || Actions.canSkipFunctionBody(Res)) && |
1218 | trySkippingFunctionBody()) { |
1219 | BodyScope.Exit(); |
1220 | Actions.ActOnSkippedFunctionBody(Res); |
1221 | return Actions.ActOnFinishFunctionBody(Res, nullptr, false); |
1222 | } |
1223 | |
1224 | if (Tok.is(tok::kw_try)) |
1225 | return ParseFunctionTryBlock(Res, BodyScope); |
1226 | |
1227 | |
1228 | |
1229 | if (Tok.is(tok::colon)) { |
1230 | ParseConstructorInitializer(Res); |
1231 | |
1232 | |
1233 | if (!Tok.is(tok::l_brace)) { |
1234 | BodyScope.Exit(); |
1235 | Actions.ActOnFinishFunctionBody(Res, nullptr); |
1236 | return Res; |
1237 | } |
1238 | } else |
1239 | Actions.ActOnDefaultCtorInitializers(Res); |
1240 | |
1241 | |
1242 | if (LateParsedAttrs) |
1243 | ParseLexedAttributeList(*LateParsedAttrs, Res, false, true); |
1244 | |
1245 | return ParseFunctionStatementBody(Res, BodyScope); |
1246 | } |
1247 | |
1248 | void Parser::SkipFunctionBody() { |
1249 | if (Tok.is(tok::equal)) { |
1250 | SkipUntil(tok::semi); |
1251 | return; |
1252 | } |
1253 | |
1254 | bool IsFunctionTryBlock = Tok.is(tok::kw_try); |
1255 | if (IsFunctionTryBlock) |
1256 | ConsumeToken(); |
1257 | |
1258 | CachedTokens Skipped; |
1259 | if (ConsumeAndStoreFunctionPrologue(Skipped)) |
1260 | SkipMalformedDecl(); |
1261 | else { |
1262 | SkipUntil(tok::r_brace); |
1263 | while (IsFunctionTryBlock && Tok.is(tok::kw_catch)) { |
1264 | SkipUntil(tok::l_brace); |
1265 | SkipUntil(tok::r_brace); |
1266 | } |
1267 | } |
1268 | } |
1269 | |
1270 | |
1271 | |
1272 | void Parser::ParseKNRParamDeclarations(Declarator &D) { |
1273 | |
1274 | DeclaratorChunk::FunctionTypeInfo &FTI = D.getFunctionTypeInfo(); |
1275 | |
1276 | |
1277 | |
1278 | ParseScope PrototypeScope(this, Scope::FunctionPrototypeScope | |
1279 | Scope::FunctionDeclarationScope | Scope::DeclScope); |
1280 | |
1281 | |
1282 | while (isDeclarationSpecifier()) { |
1283 | SourceLocation DSStart = Tok.getLocation(); |
1284 | |
1285 | |
1286 | DeclSpec DS(AttrFactory); |
1287 | ParseDeclarationSpecifiers(DS); |
1288 | |
1289 | |
1290 | |
1291 | |
1292 | |
1293 | |
1294 | if (TryConsumeToken(tok::semi)) { |
1295 | Diag(DSStart, diag::err_declaration_does_not_declare_param); |
1296 | continue; |
1297 | } |
1298 | |
1299 | |
1300 | |
1301 | if (DS.getStorageClassSpec() != DeclSpec::SCS_unspecified && |
1302 | DS.getStorageClassSpec() != DeclSpec::SCS_register) { |
1303 | Diag(DS.getStorageClassSpecLoc(), |
1304 | diag::err_invalid_storage_class_in_func_decl); |
1305 | DS.ClearStorageClassSpecs(); |
1306 | } |
1307 | if (DS.getThreadStorageClassSpec() != DeclSpec::TSCS_unspecified) { |
1308 | Diag(DS.getThreadStorageClassSpecLoc(), |
1309 | diag::err_invalid_storage_class_in_func_decl); |
1310 | DS.ClearStorageClassSpecs(); |
1311 | } |
1312 | |
1313 | |
1314 | Declarator ParmDeclarator(DS, DeclaratorContext::KNRTypeListContext); |
1315 | ParseDeclarator(ParmDeclarator); |
1316 | |
1317 | |
1318 | while (1) { |
1319 | |
1320 | MaybeParseGNUAttributes(ParmDeclarator); |
1321 | |
1322 | |
1323 | Decl *Param = |
1324 | Actions.ActOnParamDeclarator(getCurScope(), ParmDeclarator); |
1325 | |
1326 | if (Param && |
1327 | |
1328 | ParmDeclarator.getIdentifier()) { |
1329 | |
1330 | |
1331 | |
1332 | for (unsigned i = 0; ; ++i) { |
1333 | |
1334 | |
1335 | if (i == FTI.NumParams) { |
1336 | Diag(ParmDeclarator.getIdentifierLoc(), diag::err_no_matching_param) |
1337 | << ParmDeclarator.getIdentifier(); |
1338 | break; |
1339 | } |
1340 | |
1341 | if (FTI.Params[i].Ident == ParmDeclarator.getIdentifier()) { |
1342 | |
1343 | if (FTI.Params[i].Param) { |
1344 | Diag(ParmDeclarator.getIdentifierLoc(), |
1345 | diag::err_param_redefinition) |
1346 | << ParmDeclarator.getIdentifier(); |
1347 | } else { |
1348 | FTI.Params[i].Param = Param; |
1349 | } |
1350 | break; |
1351 | } |
1352 | } |
1353 | } |
1354 | |
1355 | |
1356 | |
1357 | if (Tok.isNot(tok::comma)) |
1358 | break; |
1359 | |
1360 | ParmDeclarator.clear(); |
1361 | |
1362 | |
1363 | ParmDeclarator.setCommaLoc(ConsumeToken()); |
1364 | |
1365 | |
1366 | ParseDeclarator(ParmDeclarator); |
1367 | } |
1368 | |
1369 | |
1370 | if (!ExpectAndConsumeSemi(diag::err_expected_semi_declaration)) |
1371 | continue; |
1372 | |
1373 | |
1374 | if (SkipUntil(tok::l_brace, StopAtSemi | StopBeforeMatch)) |
1375 | break; |
1376 | TryConsumeToken(tok::semi); |
1377 | } |
1378 | |
1379 | |
1380 | Actions.ActOnFinishKNRParamDeclarations(getCurScope(), D, Tok.getLocation()); |
1381 | } |
1382 | |
1383 | |
1384 | |
1385 | |
1386 | |
1387 | |
1388 | |
1389 | |
1390 | ExprResult Parser::ParseAsmStringLiteral() { |
1391 | if (!isTokenStringLiteral()) { |
1392 | Diag(Tok, diag::err_expected_string_literal) |
1393 | << << "'asm'"; |
1394 | return ExprError(); |
1395 | } |
1396 | |
1397 | ExprResult AsmString(ParseStringLiteralExpression()); |
1398 | if (!AsmString.isInvalid()) { |
1399 | const auto *SL = cast<StringLiteral>(AsmString.get()); |
1400 | if (!SL->isAscii()) { |
1401 | Diag(Tok, diag::err_asm_operand_wide_string_literal) |
1402 | << SL->isWide() |
1403 | << SL->getSourceRange(); |
1404 | return ExprError(); |
1405 | } |
1406 | } |
1407 | return AsmString; |
1408 | } |
1409 | |
1410 | |
1411 | |
1412 | |
1413 | |
1414 | |
1415 | ExprResult Parser::ParseSimpleAsm(SourceLocation *EndLoc) { |
1416 | (0) . __assert_fail ("Tok.is(tok..kw_asm) && \"Not an asm!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1416, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw_asm) && "Not an asm!"); |
1417 | SourceLocation Loc = ConsumeToken(); |
1418 | |
1419 | if (Tok.is(tok::kw_volatile)) { |
1420 | |
1421 | SourceRange RemovalRange(PP.getLocForEndOfToken(Loc), |
1422 | PP.getLocForEndOfToken(Tok.getLocation())); |
1423 | |
1424 | Diag(Tok, diag::warn_file_asm_volatile) |
1425 | << FixItHint::CreateRemoval(RemovalRange); |
1426 | ConsumeToken(); |
1427 | } |
1428 | |
1429 | BalancedDelimiterTracker T(*this, tok::l_paren); |
1430 | if (T.consumeOpen()) { |
1431 | Diag(Tok, diag::err_expected_lparen_after) << "asm"; |
1432 | return ExprError(); |
1433 | } |
1434 | |
1435 | ExprResult Result(ParseAsmStringLiteral()); |
1436 | |
1437 | if (!Result.isInvalid()) { |
1438 | |
1439 | T.consumeClose(); |
1440 | if (EndLoc) |
1441 | *EndLoc = T.getCloseLocation(); |
1442 | } else if (SkipUntil(tok::r_paren, StopAtSemi | StopBeforeMatch)) { |
1443 | if (EndLoc) |
1444 | *EndLoc = Tok.getLocation(); |
1445 | ConsumeParen(); |
1446 | } |
1447 | |
1448 | return Result; |
1449 | } |
1450 | |
1451 | |
1452 | |
1453 | |
1454 | TemplateIdAnnotation *Parser::takeTemplateIdAnnotation(const Token &tok) { |
1455 | (0) . __assert_fail ("tok.is(tok..annot_template_id) && \"Expected template-id token\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1455, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(tok.is(tok::annot_template_id) && "Expected template-id token"); |
1456 | TemplateIdAnnotation * |
1457 | Id = static_cast<TemplateIdAnnotation *>(tok.getAnnotationValue()); |
1458 | return Id; |
1459 | } |
1460 | |
1461 | void Parser::AnnotateScopeToken(CXXScopeSpec &SS, bool IsNewAnnotation) { |
1462 | |
1463 | |
1464 | if (PP.isBacktrackEnabled()) |
1465 | PP.RevertCachedTokens(1); |
1466 | else |
1467 | PP.EnterToken(Tok); |
1468 | Tok.setKind(tok::annot_cxxscope); |
1469 | Tok.setAnnotationValue(Actions.SaveNestedNameSpecifierAnnotation(SS)); |
1470 | Tok.setAnnotationRange(SS.getRange()); |
1471 | |
1472 | |
1473 | |
1474 | |
1475 | if (IsNewAnnotation) |
1476 | PP.AnnotateCachedTokens(Tok); |
1477 | } |
1478 | |
1479 | |
1480 | |
1481 | |
1482 | |
1483 | |
1484 | |
1485 | |
1486 | |
1487 | |
1488 | Parser::AnnotatedNameKind |
1489 | Parser::TryAnnotateName(bool IsAddressOfOperand, |
1490 | CorrectionCandidateCallback *CCC) { |
1491 | assert(Tok.is(tok::identifier) || Tok.is(tok::annot_cxxscope)); |
1492 | |
1493 | const bool EnteringContext = false; |
1494 | const bool WasScopeAnnotation = Tok.is(tok::annot_cxxscope); |
1495 | |
1496 | CXXScopeSpec SS; |
1497 | if (getLangOpts().CPlusPlus && |
1498 | ParseOptionalCXXScopeSpecifier(SS, nullptr, EnteringContext)) |
1499 | return ANK_Error; |
1500 | |
1501 | if (Tok.isNot(tok::identifier) || SS.isInvalid()) { |
1502 | if (TryAnnotateTypeOrScopeTokenAfterScopeSpec(SS, !WasScopeAnnotation)) |
1503 | return ANK_Error; |
1504 | return ANK_Unresolved; |
1505 | } |
1506 | |
1507 | IdentifierInfo *Name = Tok.getIdentifierInfo(); |
1508 | SourceLocation NameLoc = Tok.getLocation(); |
1509 | |
1510 | |
1511 | |
1512 | if (isTentativelyDeclared(Name)) { |
1513 | |
1514 | |
1515 | if (TryAnnotateTypeOrScopeTokenAfterScopeSpec(SS, !WasScopeAnnotation)) |
1516 | return ANK_Error; |
1517 | return Tok.is(tok::annot_typename) ? ANK_Success : ANK_TentativeDecl; |
1518 | } |
1519 | |
1520 | Token Next = NextToken(); |
1521 | |
1522 | |
1523 | |
1524 | |
1525 | |
1526 | Sema::NameClassification Classification = |
1527 | Actions.ClassifyName(getCurScope(), SS, Name, NameLoc, Next, |
1528 | IsAddressOfOperand, SS.isEmpty() ? CCC : nullptr); |
1529 | |
1530 | switch (Classification.getKind()) { |
1531 | case Sema::NC_Error: |
1532 | return ANK_Error; |
1533 | |
1534 | case Sema::NC_Keyword: |
1535 | |
1536 | Tok.setIdentifierInfo(Name); |
1537 | Tok.setKind(Name->getTokenID()); |
1538 | PP.TypoCorrectToken(Tok); |
1539 | if (SS.isNotEmpty()) |
1540 | AnnotateScopeToken(SS, !WasScopeAnnotation); |
1541 | |
1542 | return ANK_Success; |
1543 | |
1544 | case Sema::NC_Unknown: |
1545 | |
1546 | break; |
1547 | |
1548 | case Sema::NC_Type: { |
1549 | SourceLocation BeginLoc = NameLoc; |
1550 | if (SS.isNotEmpty()) |
1551 | BeginLoc = SS.getBeginLoc(); |
1552 | |
1553 | |
1554 | |
1555 | ParsedType Ty = Classification.getType(); |
1556 | if (getLangOpts().ObjC && NextToken().is(tok::less) && |
1557 | (Ty.get()->isObjCObjectType() || |
1558 | Ty.get()->isObjCObjectPointerType())) { |
1559 | |
1560 | SourceLocation IdentifierLoc = ConsumeToken(); |
1561 | SourceLocation NewEndLoc; |
1562 | TypeResult NewType |
1563 | = parseObjCTypeArgsAndProtocolQualifiers(IdentifierLoc, Ty, |
1564 | , |
1565 | NewEndLoc); |
1566 | if (NewType.isUsable()) |
1567 | Ty = NewType.get(); |
1568 | else if (Tok.is(tok::eof)) |
1569 | return ANK_Error; |
1570 | } |
1571 | |
1572 | Tok.setKind(tok::annot_typename); |
1573 | setTypeAnnotation(Tok, Ty); |
1574 | Tok.setAnnotationEndLoc(Tok.getLocation()); |
1575 | Tok.setLocation(BeginLoc); |
1576 | PP.AnnotateCachedTokens(Tok); |
1577 | return ANK_Success; |
1578 | } |
1579 | |
1580 | case Sema::NC_Expression: |
1581 | Tok.setKind(tok::annot_primary_expr); |
1582 | setExprAnnotation(Tok, Classification.getExpression()); |
1583 | Tok.setAnnotationEndLoc(NameLoc); |
1584 | if (SS.isNotEmpty()) |
1585 | Tok.setLocation(SS.getBeginLoc()); |
1586 | PP.AnnotateCachedTokens(Tok); |
1587 | return ANK_Success; |
1588 | |
1589 | case Sema::NC_TypeTemplate: |
1590 | if (Next.isNot(tok::less)) { |
1591 | |
1592 | if (SS.isNotEmpty()) |
1593 | AnnotateScopeToken(SS, !WasScopeAnnotation); |
1594 | return ANK_TemplateName; |
1595 | } |
1596 | LLVM_FALLTHROUGH; |
1597 | case Sema::NC_VarTemplate: |
1598 | case Sema::NC_FunctionTemplate: { |
1599 | |
1600 | ConsumeToken(); |
1601 | UnqualifiedId Id; |
1602 | Id.setIdentifier(Name, NameLoc); |
1603 | if (AnnotateTemplateIdToken( |
1604 | TemplateTy::make(Classification.getTemplateName()), |
1605 | Classification.getTemplateNameKind(), SS, SourceLocation(), Id)) |
1606 | return ANK_Error; |
1607 | return ANK_Success; |
1608 | } |
1609 | |
1610 | case Sema::NC_NestedNameSpecifier: |
1611 | llvm_unreachable("already parsed nested name specifier"); |
1612 | } |
1613 | |
1614 | |
1615 | if (SS.isNotEmpty()) |
1616 | AnnotateScopeToken(SS, !WasScopeAnnotation); |
1617 | return ANK_Unresolved; |
1618 | } |
1619 | |
1620 | bool Parser::TryKeywordIdentFallback(bool DisableKeyword) { |
1621 | assert(Tok.isNot(tok::identifier)); |
1622 | Diag(Tok, diag::ext_keyword_as_ident) |
1623 | << PP.getSpelling(Tok) |
1624 | << DisableKeyword; |
1625 | if (DisableKeyword) |
1626 | Tok.getIdentifierInfo()->revertTokenIDToIdentifier(); |
1627 | Tok.setKind(tok::identifier); |
1628 | return true; |
1629 | } |
1630 | |
1631 | |
1632 | |
1633 | |
1634 | |
1635 | |
1636 | |
1637 | |
1638 | |
1639 | |
1640 | |
1641 | |
1642 | |
1643 | |
1644 | |
1645 | |
1646 | |
1647 | |
1648 | |
1649 | |
1650 | |
1651 | |
1652 | |
1653 | bool Parser::TryAnnotateTypeOrScopeToken() { |
1654 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || Tok.is(tok..kw_typename) || Tok.is(tok..annot_cxxscope) || Tok.is(tok..kw_decltype) || Tok.is(tok..annot_template_id) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1658, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((Tok.is(tok::identifier) || Tok.is(tok::coloncolon) || |
1655 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || Tok.is(tok..kw_typename) || Tok.is(tok..annot_cxxscope) || Tok.is(tok..kw_decltype) || Tok.is(tok..annot_template_id) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1658, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> Tok.is(tok::kw_typename) || Tok.is(tok::annot_cxxscope) || |
1656 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || Tok.is(tok..kw_typename) || Tok.is(tok..annot_cxxscope) || Tok.is(tok..kw_decltype) || Tok.is(tok..annot_template_id) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1658, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> Tok.is(tok::kw_decltype) || Tok.is(tok::annot_template_id) || |
1657 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || Tok.is(tok..kw_typename) || Tok.is(tok..annot_cxxscope) || Tok.is(tok..kw_decltype) || Tok.is(tok..annot_template_id) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1658, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> Tok.is(tok::kw___super)) && |
1658 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || Tok.is(tok..kw_typename) || Tok.is(tok..annot_cxxscope) || Tok.is(tok..kw_decltype) || Tok.is(tok..annot_template_id) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1658, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Cannot be a type or scope token!"); |
1659 | |
1660 | if (Tok.is(tok::kw_typename)) { |
1661 | |
1662 | |
1663 | |
1664 | |
1665 | |
1666 | |
1667 | if (getLangOpts().MSVCCompat && NextToken().is(tok::kw_typedef)) { |
1668 | Token TypedefToken; |
1669 | PP.Lex(TypedefToken); |
1670 | bool Result = TryAnnotateTypeOrScopeToken(); |
1671 | PP.EnterToken(Tok); |
1672 | Tok = TypedefToken; |
1673 | if (!Result) |
1674 | Diag(Tok.getLocation(), diag::warn_expected_qualified_after_typename); |
1675 | return Result; |
1676 | } |
1677 | |
1678 | |
1679 | |
1680 | |
1681 | |
1682 | |
1683 | |
1684 | SourceLocation TypenameLoc = ConsumeToken(); |
1685 | CXXScopeSpec SS; |
1686 | if (ParseOptionalCXXScopeSpecifier(SS, , |
1687 | , nullptr, |
1688 | true)) |
1689 | return true; |
1690 | if (!SS.isSet()) { |
1691 | if (Tok.is(tok::identifier) || Tok.is(tok::annot_template_id) || |
1692 | Tok.is(tok::annot_decltype)) { |
1693 | |
1694 | if (Tok.is(tok::annot_decltype) || |
1695 | (!TryAnnotateTypeOrScopeToken() && Tok.isAnnotation())) { |
1696 | unsigned DiagID = diag::err_expected_qualified_after_typename; |
1697 | |
1698 | |
1699 | if (getLangOpts().MicrosoftExt) |
1700 | DiagID = diag::warn_expected_qualified_after_typename; |
1701 | Diag(Tok.getLocation(), DiagID); |
1702 | return false; |
1703 | } |
1704 | } |
1705 | if (Tok.isEditorPlaceholder()) |
1706 | return true; |
1707 | |
1708 | Diag(Tok.getLocation(), diag::err_expected_qualified_after_typename); |
1709 | return true; |
1710 | } |
1711 | |
1712 | TypeResult Ty; |
1713 | if (Tok.is(tok::identifier)) { |
1714 | |
1715 | Ty = Actions.ActOnTypenameType(getCurScope(), TypenameLoc, SS, |
1716 | *Tok.getIdentifierInfo(), |
1717 | Tok.getLocation()); |
1718 | } else if (Tok.is(tok::annot_template_id)) { |
1719 | TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); |
1720 | if (TemplateId->Kind != TNK_Type_template && |
1721 | TemplateId->Kind != TNK_Dependent_template_name) { |
1722 | Diag(Tok, diag::err_typename_refers_to_non_type_template) |
1723 | << Tok.getAnnotationRange(); |
1724 | return true; |
1725 | } |
1726 | |
1727 | ASTTemplateArgsPtr TemplateArgsPtr(TemplateId->getTemplateArgs(), |
1728 | TemplateId->NumArgs); |
1729 | |
1730 | Ty = Actions.ActOnTypenameType(getCurScope(), TypenameLoc, SS, |
1731 | TemplateId->TemplateKWLoc, |
1732 | TemplateId->Template, |
1733 | TemplateId->Name, |
1734 | TemplateId->TemplateNameLoc, |
1735 | TemplateId->LAngleLoc, |
1736 | TemplateArgsPtr, |
1737 | TemplateId->RAngleLoc); |
1738 | } else { |
1739 | Diag(Tok, diag::err_expected_type_name_after_typename) |
1740 | << SS.getRange(); |
1741 | return true; |
1742 | } |
1743 | |
1744 | SourceLocation EndLoc = Tok.getLastLoc(); |
1745 | Tok.setKind(tok::annot_typename); |
1746 | setTypeAnnotation(Tok, Ty.isInvalid() ? nullptr : Ty.get()); |
1747 | Tok.setAnnotationEndLoc(EndLoc); |
1748 | Tok.setLocation(TypenameLoc); |
1749 | PP.AnnotateCachedTokens(Tok); |
1750 | return false; |
1751 | } |
1752 | |
1753 | |
1754 | bool WasScopeAnnotation = Tok.is(tok::annot_cxxscope); |
1755 | |
1756 | CXXScopeSpec SS; |
1757 | if (getLangOpts().CPlusPlus) |
1758 | if (ParseOptionalCXXScopeSpecifier(SS, nullptr, )) |
1759 | return true; |
1760 | |
1761 | return TryAnnotateTypeOrScopeTokenAfterScopeSpec(SS, !WasScopeAnnotation); |
1762 | } |
1763 | |
1764 | |
1765 | |
1766 | |
1767 | bool Parser::TryAnnotateTypeOrScopeTokenAfterScopeSpec(CXXScopeSpec &SS, |
1768 | bool IsNewScope) { |
1769 | if (Tok.is(tok::identifier)) { |
1770 | |
1771 | if (ParsedType Ty = Actions.getTypeName( |
1772 | *Tok.getIdentifierInfo(), Tok.getLocation(), getCurScope(), &SS, |
1773 | false, NextToken().is(tok::period), nullptr, |
1774 | , |
1775 | , |
1776 | )) { |
1777 | SourceLocation BeginLoc = Tok.getLocation(); |
1778 | if (SS.isNotEmpty()) |
1779 | BeginLoc = SS.getBeginLoc(); |
1780 | |
1781 | |
1782 | |
1783 | if (getLangOpts().ObjC && NextToken().is(tok::less) && |
1784 | (Ty.get()->isObjCObjectType() || |
1785 | Ty.get()->isObjCObjectPointerType())) { |
1786 | |
1787 | SourceLocation IdentifierLoc = ConsumeToken(); |
1788 | SourceLocation NewEndLoc; |
1789 | TypeResult NewType |
1790 | = parseObjCTypeArgsAndProtocolQualifiers(IdentifierLoc, Ty, |
1791 | , |
1792 | NewEndLoc); |
1793 | if (NewType.isUsable()) |
1794 | Ty = NewType.get(); |
1795 | else if (Tok.is(tok::eof)) |
1796 | return false; |
1797 | } |
1798 | |
1799 | |
1800 | |
1801 | Tok.setKind(tok::annot_typename); |
1802 | setTypeAnnotation(Tok, Ty); |
1803 | Tok.setAnnotationEndLoc(Tok.getLocation()); |
1804 | Tok.setLocation(BeginLoc); |
1805 | |
1806 | |
1807 | |
1808 | PP.AnnotateCachedTokens(Tok); |
1809 | return false; |
1810 | } |
1811 | |
1812 | if (!getLangOpts().CPlusPlus) { |
1813 | |
1814 | |
1815 | |
1816 | return false; |
1817 | } |
1818 | |
1819 | |
1820 | if (NextToken().is(tok::less)) { |
1821 | TemplateTy Template; |
1822 | UnqualifiedId TemplateName; |
1823 | TemplateName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); |
1824 | bool MemberOfUnknownSpecialization; |
1825 | if (TemplateNameKind TNK = Actions.isTemplateName( |
1826 | getCurScope(), SS, |
1827 | , TemplateName, |
1828 | , , Template, |
1829 | MemberOfUnknownSpecialization)) { |
1830 | |
1831 | ConsumeToken(); |
1832 | if (AnnotateTemplateIdToken(Template, TNK, SS, SourceLocation(), |
1833 | TemplateName)) { |
1834 | |
1835 | |
1836 | |
1837 | return true; |
1838 | } |
1839 | } |
1840 | } |
1841 | |
1842 | |
1843 | |
1844 | |
1845 | |
1846 | } |
1847 | |
1848 | if (Tok.is(tok::annot_template_id)) { |
1849 | TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); |
1850 | if (TemplateId->Kind == TNK_Type_template) { |
1851 | |
1852 | |
1853 | |
1854 | |
1855 | AnnotateTemplateIdTokenAsType(); |
1856 | return false; |
1857 | } |
1858 | } |
1859 | |
1860 | if (SS.isEmpty()) |
1861 | return false; |
1862 | |
1863 | |
1864 | AnnotateScopeToken(SS, IsNewScope); |
1865 | return false; |
1866 | } |
1867 | |
1868 | |
1869 | |
1870 | |
1871 | |
1872 | |
1873 | |
1874 | bool Parser::TryAnnotateCXXScopeToken(bool EnteringContext) { |
1875 | (0) . __assert_fail ("getLangOpts().CPlusPlus && \"Call sites of this function should be guarded by checking for C++\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1876, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(getLangOpts().CPlusPlus && |
1876 | (0) . __assert_fail ("getLangOpts().CPlusPlus && \"Call sites of this function should be guarded by checking for C++\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1876, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Call sites of this function should be guarded by checking for C++"); |
1877 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || (Tok.is(tok..annot_template_id) && NextToken().is(tok..coloncolon)) || Tok.is(tok..kw_decltype) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1880, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((Tok.is(tok::identifier) || Tok.is(tok::coloncolon) || |
1878 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || (Tok.is(tok..annot_template_id) && NextToken().is(tok..coloncolon)) || Tok.is(tok..kw_decltype) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1880, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> (Tok.is(tok::annot_template_id) && NextToken().is(tok::coloncolon)) || |
1879 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || (Tok.is(tok..annot_template_id) && NextToken().is(tok..coloncolon)) || Tok.is(tok..kw_decltype) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1880, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> Tok.is(tok::kw_decltype) || Tok.is(tok::kw___super)) && |
1880 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || (Tok.is(tok..annot_template_id) && NextToken().is(tok..coloncolon)) || Tok.is(tok..kw_decltype) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1880, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Cannot be a type or scope token!"); |
1881 | |
1882 | CXXScopeSpec SS; |
1883 | if (ParseOptionalCXXScopeSpecifier(SS, nullptr, EnteringContext)) |
1884 | return true; |
1885 | if (SS.isEmpty()) |
1886 | return false; |
1887 | |
1888 | AnnotateScopeToken(SS, true); |
1889 | return false; |
1890 | } |
1891 | |
1892 | bool Parser::isTokenEqualOrEqualTypo() { |
1893 | tok::TokenKind Kind = Tok.getKind(); |
1894 | switch (Kind) { |
1895 | default: |
1896 | return false; |
1897 | case tok::ampequal: |
1898 | case tok::starequal: |
1899 | case tok::plusequal: |
1900 | case tok::minusequal: |
1901 | case tok::exclaimequal: |
1902 | case tok::slashequal: |
1903 | case tok::percentequal: |
1904 | case tok::lessequal: |
1905 | case tok::lesslessequal: |
1906 | case tok::greaterequal: |
1907 | case tok::greatergreaterequal: |
1908 | case tok::caretequal: |
1909 | case tok::pipeequal: |
1910 | case tok::equalequal: |
1911 | Diag(Tok, diag::err_invalid_token_after_declarator_suggest_equal) |
1912 | << Kind |
1913 | << FixItHint::CreateReplacement(SourceRange(Tok.getLocation()), "="); |
1914 | LLVM_FALLTHROUGH; |
1915 | case tok::equal: |
1916 | return true; |
1917 | } |
1918 | } |
1919 | |
1920 | SourceLocation Parser::handleUnexpectedCodeCompletionToken() { |
1921 | assert(Tok.is(tok::code_completion)); |
1922 | PrevTokLocation = Tok.getLocation(); |
1923 | |
1924 | for (Scope *S = getCurScope(); S; S = S->getParent()) { |
1925 | if (S->getFlags() & Scope::FnScope) { |
1926 | Actions.CodeCompleteOrdinaryName(getCurScope(), |
1927 | Sema::PCC_RecoveryInFunction); |
1928 | cutOffParsing(); |
1929 | return PrevTokLocation; |
1930 | } |
1931 | |
1932 | if (S->getFlags() & Scope::ClassScope) { |
1933 | Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_Class); |
1934 | cutOffParsing(); |
1935 | return PrevTokLocation; |
1936 | } |
1937 | } |
1938 | |
1939 | Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_Namespace); |
1940 | cutOffParsing(); |
1941 | return PrevTokLocation; |
1942 | } |
1943 | |
1944 | |
1945 | |
1946 | void Parser::CodeCompleteDirective(bool InConditional) { |
1947 | Actions.CodeCompletePreprocessorDirective(InConditional); |
1948 | } |
1949 | |
1950 | void Parser::CodeCompleteInConditionalExclusion() { |
1951 | Actions.CodeCompleteInPreprocessorConditionalExclusion(getCurScope()); |
1952 | } |
1953 | |
1954 | void Parser::CodeCompleteMacroName(bool IsDefinition) { |
1955 | Actions.CodeCompletePreprocessorMacroName(IsDefinition); |
1956 | } |
1957 | |
1958 | void Parser::CodeCompletePreprocessorExpression() { |
1959 | Actions.CodeCompletePreprocessorExpression(); |
1960 | } |
1961 | |
1962 | void Parser::CodeCompleteMacroArgument(IdentifierInfo *Macro, |
1963 | MacroInfo *MacroInfo, |
1964 | unsigned ArgumentIndex) { |
1965 | Actions.CodeCompletePreprocessorMacroArgument(getCurScope(), Macro, MacroInfo, |
1966 | ArgumentIndex); |
1967 | } |
1968 | |
1969 | void Parser::CodeCompleteIncludedFile(llvm::StringRef Dir, bool IsAngled) { |
1970 | Actions.CodeCompleteIncludedFile(Dir, IsAngled); |
1971 | } |
1972 | |
1973 | void Parser::CodeCompleteNaturalLanguage() { |
1974 | Actions.CodeCompleteNaturalLanguage(); |
1975 | } |
1976 | |
1977 | bool Parser::ParseMicrosoftIfExistsCondition(IfExistsCondition& Result) { |
1978 | (0) . __assert_fail ("(Tok.is(tok..kw___if_exists) || Tok.is(tok..kw___if_not_exists)) && \"Expected '__if_exists' or '__if_not_exists'\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1979, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((Tok.is(tok::kw___if_exists) || Tok.is(tok::kw___if_not_exists)) && |
1979 | (0) . __assert_fail ("(Tok.is(tok..kw___if_exists) || Tok.is(tok..kw___if_not_exists)) && \"Expected '__if_exists' or '__if_not_exists'\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1979, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Expected '__if_exists' or '__if_not_exists'"); |
1980 | Result.IsIfExists = Tok.is(tok::kw___if_exists); |
1981 | Result.KeywordLoc = ConsumeToken(); |
1982 | |
1983 | BalancedDelimiterTracker T(*this, tok::l_paren); |
1984 | if (T.consumeOpen()) { |
1985 | Diag(Tok, diag::err_expected_lparen_after) |
1986 | << (Result.IsIfExists? "__if_exists" : "__if_not_exists"); |
1987 | return true; |
1988 | } |
1989 | |
1990 | |
1991 | if (getLangOpts().CPlusPlus) |
1992 | ParseOptionalCXXScopeSpecifier(Result.SS, nullptr, |
1993 | ); |
1994 | |
1995 | |
1996 | if (Result.SS.isInvalid()) { |
1997 | T.skipToEnd(); |
1998 | return true; |
1999 | } |
2000 | |
2001 | |
2002 | SourceLocation TemplateKWLoc; |
2003 | if (ParseUnqualifiedId( |
2004 | Result.SS, , , |
2005 | , , nullptr, |
2006 | &TemplateKWLoc, Result.Name)) { |
2007 | T.skipToEnd(); |
2008 | return true; |
2009 | } |
2010 | |
2011 | if (T.consumeClose()) |
2012 | return true; |
2013 | |
2014 | |
2015 | switch (Actions.CheckMicrosoftIfExistsSymbol(getCurScope(), Result.KeywordLoc, |
2016 | Result.IsIfExists, Result.SS, |
2017 | Result.Name)) { |
2018 | case Sema::IER_Exists: |
2019 | Result.Behavior = Result.IsIfExists ? IEB_Parse : IEB_Skip; |
2020 | break; |
2021 | |
2022 | case Sema::IER_DoesNotExist: |
2023 | Result.Behavior = !Result.IsIfExists ? IEB_Parse : IEB_Skip; |
2024 | break; |
2025 | |
2026 | case Sema::IER_Dependent: |
2027 | Result.Behavior = IEB_Dependent; |
2028 | break; |
2029 | |
2030 | case Sema::IER_Error: |
2031 | return true; |
2032 | } |
2033 | |
2034 | return false; |
2035 | } |
2036 | |
2037 | void Parser::ParseMicrosoftIfExistsExternalDeclaration() { |
2038 | IfExistsCondition Result; |
2039 | if (ParseMicrosoftIfExistsCondition(Result)) |
2040 | return; |
2041 | |
2042 | BalancedDelimiterTracker Braces(*this, tok::l_brace); |
2043 | if (Braces.consumeOpen()) { |
2044 | Diag(Tok, diag::err_expected) << tok::l_brace; |
2045 | return; |
2046 | } |
2047 | |
2048 | switch (Result.Behavior) { |
2049 | case IEB_Parse: |
2050 | |
2051 | break; |
2052 | |
2053 | case IEB_Dependent: |
2054 | llvm_unreachable("Cannot have a dependent external declaration"); |
2055 | |
2056 | case IEB_Skip: |
2057 | Braces.skipToEnd(); |
2058 | return; |
2059 | } |
2060 | |
2061 | |
2062 | |
2063 | while (Tok.isNot(tok::r_brace) && !isEofOrEom()) { |
2064 | ParsedAttributesWithRange attrs(AttrFactory); |
2065 | MaybeParseCXX11Attributes(attrs); |
2066 | DeclGroupPtrTy Result = ParseExternalDeclaration(attrs); |
2067 | if (Result && !getCurScope()->getParent()) |
2068 | Actions.getASTConsumer().HandleTopLevelDecl(Result.get()); |
2069 | } |
2070 | Braces.consumeClose(); |
2071 | } |
2072 | |
2073 | |
2074 | |
2075 | |
2076 | |
2077 | |
2078 | |
2079 | |
2080 | |
2081 | Parser::DeclGroupPtrTy Parser::ParseModuleDecl() { |
2082 | SourceLocation StartLoc = Tok.getLocation(); |
2083 | |
2084 | Sema::ModuleDeclKind MDK = TryConsumeToken(tok::kw_export) |
2085 | ? Sema::ModuleDeclKind::Interface |
2086 | : Sema::ModuleDeclKind::Implementation; |
2087 | |
2088 | (0) . __assert_fail ("Tok.is(tok..kw_module) && \"not a module declaration\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 2088, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw_module) && "not a module declaration"); |
2089 | SourceLocation ModuleLoc = ConsumeToken(); |
2090 | |
2091 | if (Tok.is(tok::identifier) && NextToken().is(tok::identifier) && |
2092 | Tok.getIdentifierInfo()->isStr("partition")) { |
2093 | |
2094 | if (MDK != Sema::ModuleDeclKind::Interface) |
2095 | Diag(Tok.getLocation(), diag::err_module_implementation_partition) |
2096 | << FixItHint::CreateInsertion(ModuleLoc, "export "); |
2097 | MDK = Sema::ModuleDeclKind::Partition; |
2098 | ConsumeToken(); |
2099 | } |
2100 | |
2101 | SmallVector<std::pair<IdentifierInfo *, SourceLocation>, 2> Path; |
2102 | if (ParseModuleName(ModuleLoc, Path, )) |
2103 | return nullptr; |
2104 | |
2105 | |
2106 | ParsedAttributesWithRange Attrs(AttrFactory); |
2107 | MaybeParseCXX11Attributes(Attrs); |
2108 | ProhibitCXX11Attributes(Attrs, diag::err_attribute_not_module_attr); |
2109 | |
2110 | ExpectAndConsumeSemi(diag::err_module_expected_semi); |
2111 | |
2112 | return Actions.ActOnModuleDecl(StartLoc, ModuleLoc, MDK, Path); |
2113 | } |
2114 | |
2115 | |
2116 | |
2117 | |
2118 | |
2119 | |
2120 | |
2121 | |
2122 | |
2123 | Decl *Parser::ParseModuleImport(SourceLocation AtLoc) { |
2124 | (0) . __assert_fail ("(AtLoc.isInvalid() ? Tok.is(tok..kw_import) . Tok.isObjCAtKeyword(tok..objc_import)) && \"Improper start to module import\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 2126, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((AtLoc.isInvalid() ? Tok.is(tok::kw_import) |
2125 | (0) . __assert_fail ("(AtLoc.isInvalid() ? Tok.is(tok..kw_import) . Tok.isObjCAtKeyword(tok..objc_import)) && \"Improper start to module import\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 2126, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> : Tok.isObjCAtKeyword(tok::objc_import)) && |
2126 | (0) . __assert_fail ("(AtLoc.isInvalid() ? Tok.is(tok..kw_import) . Tok.isObjCAtKeyword(tok..objc_import)) && \"Improper start to module import\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 2126, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Improper start to module import"); |
2127 | bool IsObjCAtImport = Tok.isObjCAtKeyword(tok::objc_import); |
2128 | SourceLocation ImportLoc = ConsumeToken(); |
2129 | SourceLocation StartLoc = AtLoc.isInvalid() ? ImportLoc : AtLoc; |
2130 | |
2131 | SmallVector<std::pair<IdentifierInfo *, SourceLocation>, 2> Path; |
2132 | if (ParseModuleName(ImportLoc, Path, )) |
2133 | return nullptr; |
2134 | |
2135 | ParsedAttributesWithRange Attrs(AttrFactory); |
2136 | MaybeParseCXX11Attributes(Attrs); |
2137 | |
2138 | ProhibitCXX11Attributes(Attrs, diag::err_attribute_not_import_attr); |
2139 | |
2140 | if (PP.hadModuleLoaderFatalFailure()) { |
2141 | |
2142 | cutOffParsing(); |
2143 | return nullptr; |
2144 | } |
2145 | |
2146 | DeclResult Import = Actions.ActOnModuleImport(StartLoc, ImportLoc, Path); |
2147 | ExpectAndConsumeSemi(diag::err_module_expected_semi); |
2148 | if (Import.isInvalid()) |
2149 | return nullptr; |
2150 | |
2151 | |
2152 | |
2153 | if (IsObjCAtImport && AtLoc.isValid()) { |
2154 | auto &SrcMgr = PP.getSourceManager(); |
2155 | auto *FE = SrcMgr.getFileEntryForID(SrcMgr.getFileID(AtLoc)); |
2156 | if (FE && llvm::sys::path::parent_path(FE->getDir()->getName()) |
2157 | .endswith(".framework")) |
2158 | Diags.Report(AtLoc, diag::warn_atimport_in_framework_header); |
2159 | } |
2160 | |
2161 | return Import.get(); |
2162 | } |
2163 | |
2164 | |
2165 | |
2166 | |
2167 | |
2168 | |
2169 | |
2170 | |
2171 | bool Parser::ParseModuleName( |
2172 | SourceLocation UseLoc, |
2173 | SmallVectorImpl<std::pair<IdentifierInfo *, SourceLocation>> &Path, |
2174 | bool IsImport) { |
2175 | |
2176 | while (true) { |
2177 | if (!Tok.is(tok::identifier)) { |
2178 | if (Tok.is(tok::code_completion)) { |
2179 | Actions.CodeCompleteModuleImport(UseLoc, Path); |
2180 | cutOffParsing(); |
2181 | return true; |
2182 | } |
2183 | |
2184 | Diag(Tok, diag::err_module_expected_ident) << IsImport; |
2185 | SkipUntil(tok::semi); |
2186 | return true; |
2187 | } |
2188 | |
2189 | |
2190 | Path.push_back(std::make_pair(Tok.getIdentifierInfo(), Tok.getLocation())); |
2191 | ConsumeToken(); |
2192 | |
2193 | if (Tok.isNot(tok::period)) |
2194 | return false; |
2195 | |
2196 | ConsumeToken(); |
2197 | } |
2198 | } |
2199 | |
2200 | |
2201 | |
2202 | |
2203 | |
2204 | bool Parser::parseMisplacedModuleImport() { |
2205 | while (true) { |
2206 | switch (Tok.getKind()) { |
2207 | case tok::annot_module_end: |
2208 | |
2209 | |
2210 | |
2211 | if (MisplacedModuleBeginCount) { |
2212 | --MisplacedModuleBeginCount; |
2213 | Actions.ActOnModuleEnd(Tok.getLocation(), |
2214 | reinterpret_cast<Module *>( |
2215 | Tok.getAnnotationValue())); |
2216 | ConsumeAnnotationToken(); |
2217 | continue; |
2218 | } |
2219 | |
2220 | |
2221 | |
2222 | return true; |
2223 | case tok::annot_module_begin: |
2224 | |
2225 | Actions.ActOnModuleBegin(Tok.getLocation(), |
2226 | reinterpret_cast<Module *>( |
2227 | Tok.getAnnotationValue())); |
2228 | ConsumeAnnotationToken(); |
2229 | ++MisplacedModuleBeginCount; |
2230 | continue; |
2231 | case tok::annot_module_include: |
2232 | |
2233 | |
2234 | Actions.ActOnModuleInclude(Tok.getLocation(), |
2235 | reinterpret_cast<Module *>( |
2236 | Tok.getAnnotationValue())); |
2237 | ConsumeAnnotationToken(); |
2238 | |
2239 | continue; |
2240 | default: |
2241 | return false; |
2242 | } |
2243 | } |
2244 | return false; |
2245 | } |
2246 | |
2247 | bool BalancedDelimiterTracker::diagnoseOverflow() { |
2248 | P.Diag(P.Tok, diag::err_bracket_depth_exceeded) |
2249 | << P.getLangOpts().BracketDepth; |
2250 | P.Diag(P.Tok, diag::note_bracket_depth); |
2251 | P.cutOffParsing(); |
2252 | return true; |
2253 | } |
2254 | |
2255 | bool BalancedDelimiterTracker::expectAndConsume(unsigned DiagID, |
2256 | const char *Msg, |
2257 | tok::TokenKind SkipToTok) { |
2258 | LOpen = P.Tok.getLocation(); |
2259 | if (P.ExpectAndConsume(Kind, DiagID, Msg)) { |
2260 | if (SkipToTok != tok::unknown) |
2261 | P.SkipUntil(SkipToTok, Parser::StopAtSemi); |
2262 | return true; |
2263 | } |
2264 | |
2265 | if (getDepth() < P.getLangOpts().BracketDepth) |
2266 | return false; |
2267 | |
2268 | return diagnoseOverflow(); |
2269 | } |
2270 | |
2271 | bool BalancedDelimiterTracker::diagnoseMissingClose() { |
2272 | (0) . __assert_fail ("!P.Tok.is(Close) && \"Should have consumed closing delimiter\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 2272, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!P.Tok.is(Close) && "Should have consumed closing delimiter"); |
2273 | |
2274 | if (P.Tok.is(tok::annot_module_end)) |
2275 | P.Diag(P.Tok, diag::err_missing_before_module_end) << Close; |
2276 | else |
2277 | P.Diag(P.Tok, diag::err_expected) << Close; |
2278 | P.Diag(LOpen, diag::note_matching) << Kind; |
2279 | |
2280 | |
2281 | |
2282 | if (P.Tok.isNot(tok::r_paren) && P.Tok.isNot(tok::r_brace) && |
2283 | P.Tok.isNot(tok::r_square) && |
2284 | P.SkipUntil(Close, FinalToken, |
2285 | Parser::StopAtSemi | Parser::StopBeforeMatch) && |
2286 | P.Tok.is(Close)) |
2287 | LClose = P.ConsumeAnyToken(); |
2288 | return true; |
2289 | } |
2290 | |
2291 | void BalancedDelimiterTracker::skipToEnd() { |
2292 | P.SkipUntil(Close, Parser::StopBeforeMatch); |
2293 | consumeClose(); |
2294 | } |
2295 | |