1 //===- CIndex.cpp - Clang-C Source Indexing Library -----------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the main API hooks in the Clang-C Source Indexing
13 //===----------------------------------------------------------------------===//
16 #include "CIndexDiagnostic.h"
19 #include "CXSourceLocation.h"
21 #include "CXTranslationUnit.h"
23 #include "CursorVisitor.h"
24 #include "clang/AST/Attr.h"
25 #include "clang/AST/Mangle.h"
26 #include "clang/AST/StmtVisitor.h"
27 #include "clang/Basic/Diagnostic.h"
28 #include "clang/Basic/DiagnosticCategories.h"
29 #include "clang/Basic/DiagnosticIDs.h"
30 #include "clang/Basic/TargetInfo.h"
31 #include "clang/Basic/Version.h"
32 #include "clang/Frontend/ASTUnit.h"
33 #include "clang/Frontend/CompilerInstance.h"
34 #include "clang/Frontend/FrontendDiagnostic.h"
35 #include "clang/Index/CommentToXML.h"
36 #include "clang/Lex/HeaderSearch.h"
37 #include "clang/Lex/Lexer.h"
38 #include "clang/Lex/PreprocessingRecord.h"
39 #include "clang/Lex/Preprocessor.h"
40 #include "clang/Serialization/SerializationDiagnostic.h"
41 #include "llvm/ADT/Optional.h"
42 #include "llvm/ADT/STLExtras.h"
43 #include "llvm/ADT/StringSwitch.h"
44 #include "llvm/Config/llvm-config.h"
45 #include "llvm/IR/DataLayout.h"
46 #include "llvm/IR/Mangler.h"
47 #include "llvm/Support/Compiler.h"
48 #include "llvm/Support/CrashRecoveryContext.h"
49 #include "llvm/Support/Format.h"
50 #include "llvm/Support/ManagedStatic.h"
51 #include "llvm/Support/MemoryBuffer.h"
52 #include "llvm/Support/Mutex.h"
53 #include "llvm/Support/Program.h"
54 #include "llvm/Support/SaveAndRestore.h"
55 #include "llvm/Support/Signals.h"
56 #include "llvm/Support/TargetSelect.h"
57 #include "llvm/Support/Threading.h"
58 #include "llvm/Support/Timer.h"
59 #include "llvm/Support/raw_ostream.h"
61 #if LLVM_ENABLE_THREADS != 0 && defined(__APPLE__)
62 #define USE_DARWIN_THREADS
65 #ifdef USE_DARWIN_THREADS
69 using namespace clang;
70 using namespace clang::cxcursor;
71 using namespace clang::cxtu;
72 using namespace clang::cxindex;
74 CXTranslationUnit cxtu::MakeCXTranslationUnit(CIndexer *CIdx, ASTUnit *AU) {
78 CXTranslationUnit D = new CXTranslationUnitImpl();
81 D->StringPool = new cxstring::CXStringPool();
82 D->Diagnostics = nullptr;
83 D->OverridenCursorsPool = createOverridenCXCursorsPool();
84 D->CommentToXML = nullptr;
88 bool cxtu::isASTReadError(ASTUnit *AU) {
89 for (ASTUnit::stored_diag_iterator D = AU->stored_diag_begin(),
90 DEnd = AU->stored_diag_end();
92 if (D->getLevel() >= DiagnosticsEngine::Error &&
93 DiagnosticIDs::getCategoryNumberForDiag(D->getID()) ==
94 diag::DiagCat_AST_Deserialization_Issue)
100 cxtu::CXTUOwner::~CXTUOwner() {
102 clang_disposeTranslationUnit(TU);
105 /// \brief Compare two source ranges to determine their relative position in
106 /// the translation unit.
107 static RangeComparisonResult RangeCompare(SourceManager &SM,
110 assert(R1.isValid() && "First range is invalid?");
111 assert(R2.isValid() && "Second range is invalid?");
112 if (R1.getEnd() != R2.getBegin() &&
113 SM.isBeforeInTranslationUnit(R1.getEnd(), R2.getBegin()))
115 if (R2.getEnd() != R1.getBegin() &&
116 SM.isBeforeInTranslationUnit(R2.getEnd(), R1.getBegin()))
121 /// \brief Determine if a source location falls within, before, or after a
122 /// a given source range.
123 static RangeComparisonResult LocationCompare(SourceManager &SM,
124 SourceLocation L, SourceRange R) {
125 assert(R.isValid() && "First range is invalid?");
126 assert(L.isValid() && "Second range is invalid?");
127 if (L == R.getBegin() || L == R.getEnd())
129 if (SM.isBeforeInTranslationUnit(L, R.getBegin()))
131 if (SM.isBeforeInTranslationUnit(R.getEnd(), L))
136 /// \brief Translate a Clang source range into a CIndex source range.
138 /// Clang internally represents ranges where the end location points to the
139 /// start of the token at the end. However, for external clients it is more
140 /// useful to have a CXSourceRange be a proper half-open interval. This routine
141 /// does the appropriate translation.
142 CXSourceRange cxloc::translateSourceRange(const SourceManager &SM,
143 const LangOptions &LangOpts,
144 const CharSourceRange &R) {
145 // We want the last character in this location, so we will adjust the
146 // location accordingly.
147 SourceLocation EndLoc = R.getEnd();
148 if (EndLoc.isValid() && EndLoc.isMacroID() && !SM.isMacroArgExpansion(EndLoc))
149 EndLoc = SM.getExpansionRange(EndLoc).second;
150 if (R.isTokenRange() && EndLoc.isValid()) {
151 unsigned Length = Lexer::MeasureTokenLength(SM.getSpellingLoc(EndLoc),
153 EndLoc = EndLoc.getLocWithOffset(Length);
156 CXSourceRange Result = {
158 R.getBegin().getRawEncoding(),
159 EndLoc.getRawEncoding()
164 //===----------------------------------------------------------------------===//
166 //===----------------------------------------------------------------------===//
168 static SourceRange getRawCursorExtent(CXCursor C);
169 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr);
172 RangeComparisonResult CursorVisitor::CompareRegionOfInterest(SourceRange R) {
173 return RangeCompare(AU->getSourceManager(), R, RegionOfInterest);
176 /// \brief Visit the given cursor and, if requested by the visitor,
179 /// \param Cursor the cursor to visit.
181 /// \param CheckedRegionOfInterest if true, then the caller already checked
182 /// that this cursor is within the region of interest.
184 /// \returns true if the visitation should be aborted, false if it
186 bool CursorVisitor::Visit(CXCursor Cursor, bool CheckedRegionOfInterest) {
187 if (clang_isInvalid(Cursor.kind))
190 if (clang_isDeclaration(Cursor.kind)) {
191 const Decl *D = getCursorDecl(Cursor);
193 assert(0 && "Invalid declaration cursor");
194 return true; // abort.
197 // Ignore implicit declarations, unless it's an objc method because
198 // currently we should report implicit methods for properties when indexing.
199 if (D->isImplicit() && !isa<ObjCMethodDecl>(D))
203 // If we have a range of interest, and this cursor doesn't intersect with it,
205 if (RegionOfInterest.isValid() && !CheckedRegionOfInterest) {
206 SourceRange Range = getRawCursorExtent(Cursor);
207 if (Range.isInvalid() || CompareRegionOfInterest(Range))
211 switch (Visitor(Cursor, Parent, ClientData)) {
212 case CXChildVisit_Break:
215 case CXChildVisit_Continue:
218 case CXChildVisit_Recurse: {
219 bool ret = VisitChildren(Cursor);
220 if (PostChildrenVisitor)
221 if (PostChildrenVisitor(Cursor, ClientData))
227 llvm_unreachable("Invalid CXChildVisitResult!");
230 static bool visitPreprocessedEntitiesInRange(SourceRange R,
231 PreprocessingRecord &PPRec,
232 CursorVisitor &Visitor) {
233 SourceManager &SM = Visitor.getASTUnit()->getSourceManager();
236 if (!Visitor.shouldVisitIncludedEntities()) {
237 // If the begin/end of the range lie in the same FileID, do the optimization
238 // where we skip preprocessed entities that do not come from the same FileID.
239 FID = SM.getFileID(SM.getFileLoc(R.getBegin()));
240 if (FID != SM.getFileID(SM.getFileLoc(R.getEnd())))
244 const auto &Entities = PPRec.getPreprocessedEntitiesInRange(R);
245 return Visitor.visitPreprocessedEntities(Entities.begin(), Entities.end(),
249 bool CursorVisitor::visitFileRegion() {
250 if (RegionOfInterest.isInvalid())
253 ASTUnit *Unit = cxtu::getASTUnit(TU);
254 SourceManager &SM = Unit->getSourceManager();
256 std::pair<FileID, unsigned>
257 Begin = SM.getDecomposedLoc(SM.getFileLoc(RegionOfInterest.getBegin())),
258 End = SM.getDecomposedLoc(SM.getFileLoc(RegionOfInterest.getEnd()));
260 if (End.first != Begin.first) {
261 // If the end does not reside in the same file, try to recover by
262 // picking the end of the file of begin location.
263 End.first = Begin.first;
264 End.second = SM.getFileIDSize(Begin.first);
267 assert(Begin.first == End.first);
268 if (Begin.second > End.second)
271 FileID File = Begin.first;
272 unsigned Offset = Begin.second;
273 unsigned Length = End.second - Begin.second;
275 if (!VisitDeclsOnly && !VisitPreprocessorLast)
276 if (visitPreprocessedEntitiesInRegion())
277 return true; // visitation break.
279 if (visitDeclsFromFileRegion(File, Offset, Length))
280 return true; // visitation break.
282 if (!VisitDeclsOnly && VisitPreprocessorLast)
283 return visitPreprocessedEntitiesInRegion();
288 static bool isInLexicalContext(Decl *D, DeclContext *DC) {
292 for (DeclContext *DeclDC = D->getLexicalDeclContext();
293 DeclDC; DeclDC = DeclDC->getLexicalParent()) {
300 bool CursorVisitor::visitDeclsFromFileRegion(FileID File,
301 unsigned Offset, unsigned Length) {
302 ASTUnit *Unit = cxtu::getASTUnit(TU);
303 SourceManager &SM = Unit->getSourceManager();
304 SourceRange Range = RegionOfInterest;
306 SmallVector<Decl *, 16> Decls;
307 Unit->findFileRegionDecls(File, Offset, Length, Decls);
309 // If we didn't find any file level decls for the file, try looking at the
310 // file that it was included from.
311 while (Decls.empty() || Decls.front()->isTopLevelDeclInObjCContainer()) {
312 bool Invalid = false;
313 const SrcMgr::SLocEntry &SLEntry = SM.getSLocEntry(File, &Invalid);
317 SourceLocation Outer;
318 if (SLEntry.isFile())
319 Outer = SLEntry.getFile().getIncludeLoc();
321 Outer = SLEntry.getExpansion().getExpansionLocStart();
322 if (Outer.isInvalid())
325 std::tie(File, Offset) = SM.getDecomposedExpansionLoc(Outer);
327 Unit->findFileRegionDecls(File, Offset, Length, Decls);
330 assert(!Decls.empty());
332 bool VisitedAtLeastOnce = false;
333 DeclContext *CurDC = nullptr;
334 SmallVectorImpl<Decl *>::iterator DIt = Decls.begin();
335 for (SmallVectorImpl<Decl *>::iterator DE = Decls.end(); DIt != DE; ++DIt) {
337 if (D->getSourceRange().isInvalid())
340 if (isInLexicalContext(D, CurDC))
343 CurDC = dyn_cast<DeclContext>(D);
345 if (TagDecl *TD = dyn_cast<TagDecl>(D))
346 if (!TD->isFreeStanding())
349 RangeComparisonResult CompRes = RangeCompare(SM, D->getSourceRange(),Range);
350 if (CompRes == RangeBefore)
352 if (CompRes == RangeAfter)
355 assert(CompRes == RangeOverlap);
356 VisitedAtLeastOnce = true;
358 if (isa<ObjCContainerDecl>(D)) {
359 FileDI_current = &DIt;
362 FileDI_current = nullptr;
365 if (Visit(MakeCXCursor(D, TU, Range), /*CheckedRegionOfInterest=*/true))
366 return true; // visitation break.
369 if (VisitedAtLeastOnce)
372 // No Decls overlapped with the range. Move up the lexical context until there
373 // is a context that contains the range or we reach the translation unit
375 DeclContext *DC = DIt == Decls.begin() ? (*DIt)->getLexicalDeclContext()
376 : (*(DIt-1))->getLexicalDeclContext();
378 while (DC && !DC->isTranslationUnit()) {
379 Decl *D = cast<Decl>(DC);
380 SourceRange CurDeclRange = D->getSourceRange();
381 if (CurDeclRange.isInvalid())
384 if (RangeCompare(SM, CurDeclRange, Range) == RangeOverlap) {
385 if (Visit(MakeCXCursor(D, TU, Range), /*CheckedRegionOfInterest=*/true))
386 return true; // visitation break.
389 DC = D->getLexicalDeclContext();
395 bool CursorVisitor::visitPreprocessedEntitiesInRegion() {
396 if (!AU->getPreprocessor().getPreprocessingRecord())
399 PreprocessingRecord &PPRec
400 = *AU->getPreprocessor().getPreprocessingRecord();
401 SourceManager &SM = AU->getSourceManager();
403 if (RegionOfInterest.isValid()) {
404 SourceRange MappedRange = AU->mapRangeToPreamble(RegionOfInterest);
405 SourceLocation B = MappedRange.getBegin();
406 SourceLocation E = MappedRange.getEnd();
408 if (AU->isInPreambleFileID(B)) {
409 if (SM.isLoadedSourceLocation(E))
410 return visitPreprocessedEntitiesInRange(SourceRange(B, E),
413 // Beginning of range lies in the preamble but it also extends beyond
414 // it into the main file. Split the range into 2 parts, one covering
415 // the preamble and another covering the main file. This allows subsequent
416 // calls to visitPreprocessedEntitiesInRange to accept a source range that
417 // lies in the same FileID, allowing it to skip preprocessed entities that
418 // do not come from the same FileID.
420 visitPreprocessedEntitiesInRange(
421 SourceRange(B, AU->getEndOfPreambleFileID()),
423 if (breaked) return true;
424 return visitPreprocessedEntitiesInRange(
425 SourceRange(AU->getStartOfMainFileID(), E),
429 return visitPreprocessedEntitiesInRange(SourceRange(B, E), PPRec, *this);
433 = !AU->isMainFileAST() && AU->getOnlyLocalDecls();
436 return visitPreprocessedEntities(PPRec.local_begin(), PPRec.local_end(),
439 return visitPreprocessedEntities(PPRec.begin(), PPRec.end(), PPRec);
442 template<typename InputIterator>
443 bool CursorVisitor::visitPreprocessedEntities(InputIterator First,
445 PreprocessingRecord &PPRec,
447 for (; First != Last; ++First) {
448 if (!FID.isInvalid() && !PPRec.isEntityInFileID(First, FID))
451 PreprocessedEntity *PPE = *First;
455 if (MacroExpansion *ME = dyn_cast<MacroExpansion>(PPE)) {
456 if (Visit(MakeMacroExpansionCursor(ME, TU)))
462 if (MacroDefinitionRecord *MD = dyn_cast<MacroDefinitionRecord>(PPE)) {
463 if (Visit(MakeMacroDefinitionCursor(MD, TU)))
469 if (InclusionDirective *ID = dyn_cast<InclusionDirective>(PPE)) {
470 if (Visit(MakeInclusionDirectiveCursor(ID, TU)))
480 /// \brief Visit the children of the given cursor.
482 /// \returns true if the visitation should be aborted, false if it
484 bool CursorVisitor::VisitChildren(CXCursor Cursor) {
485 if (clang_isReference(Cursor.kind) &&
486 Cursor.kind != CXCursor_CXXBaseSpecifier) {
487 // By definition, references have no children.
491 // Set the Parent field to Cursor, then back to its old value once we're
493 SetParentRAII SetParent(Parent, StmtParent, Cursor);
495 if (clang_isDeclaration(Cursor.kind)) {
496 Decl *D = const_cast<Decl *>(getCursorDecl(Cursor));
500 return VisitAttributes(D) || Visit(D);
503 if (clang_isStatement(Cursor.kind)) {
504 if (const Stmt *S = getCursorStmt(Cursor))
510 if (clang_isExpression(Cursor.kind)) {
511 if (const Expr *E = getCursorExpr(Cursor))
517 if (clang_isTranslationUnit(Cursor.kind)) {
518 CXTranslationUnit TU = getCursorTU(Cursor);
519 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
521 int VisitOrder[2] = { VisitPreprocessorLast, !VisitPreprocessorLast };
522 for (unsigned I = 0; I != 2; ++I) {
524 if (!CXXUnit->isMainFileAST() && CXXUnit->getOnlyLocalDecls() &&
525 RegionOfInterest.isInvalid()) {
526 for (ASTUnit::top_level_iterator TL = CXXUnit->top_level_begin(),
527 TLEnd = CXXUnit->top_level_end();
529 if (Visit(MakeCXCursor(*TL, TU, RegionOfInterest), true))
532 } else if (VisitDeclContext(
533 CXXUnit->getASTContext().getTranslationUnitDecl()))
538 // Walk the preprocessing record.
539 if (CXXUnit->getPreprocessor().getPreprocessingRecord())
540 visitPreprocessedEntitiesInRegion();
546 if (Cursor.kind == CXCursor_CXXBaseSpecifier) {
547 if (const CXXBaseSpecifier *Base = getCursorCXXBaseSpecifier(Cursor)) {
548 if (TypeSourceInfo *BaseTSInfo = Base->getTypeSourceInfo()) {
549 return Visit(BaseTSInfo->getTypeLoc());
554 if (Cursor.kind == CXCursor_IBOutletCollectionAttr) {
555 const IBOutletCollectionAttr *A =
556 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(Cursor));
557 if (const ObjCObjectType *ObjT = A->getInterface()->getAs<ObjCObjectType>())
558 return Visit(cxcursor::MakeCursorObjCClassRef(
559 ObjT->getInterface(),
560 A->getInterfaceLoc()->getTypeLoc().getLocStart(), TU));
563 // If pointing inside a macro definition, check if the token is an identifier
564 // that was ever defined as a macro. In such a case, create a "pseudo" macro
565 // expansion cursor for that token.
566 SourceLocation BeginLoc = RegionOfInterest.getBegin();
567 if (Cursor.kind == CXCursor_MacroDefinition &&
568 BeginLoc == RegionOfInterest.getEnd()) {
569 SourceLocation Loc = AU->mapLocationToPreamble(BeginLoc);
570 const MacroInfo *MI =
571 getMacroInfo(cxcursor::getCursorMacroDefinition(Cursor), TU);
572 if (MacroDefinitionRecord *MacroDef =
573 checkForMacroInMacroDefinition(MI, Loc, TU))
574 return Visit(cxcursor::MakeMacroExpansionCursor(MacroDef, BeginLoc, TU));
577 // Nothing to visit at the moment.
581 bool CursorVisitor::VisitBlockDecl(BlockDecl *B) {
582 if (TypeSourceInfo *TSInfo = B->getSignatureAsWritten())
583 if (Visit(TSInfo->getTypeLoc()))
586 if (Stmt *Body = B->getBody())
587 return Visit(MakeCXCursor(Body, StmtParent, TU, RegionOfInterest));
592 Optional<bool> CursorVisitor::shouldVisitCursor(CXCursor Cursor) {
593 if (RegionOfInterest.isValid()) {
594 SourceRange Range = getFullCursorExtent(Cursor, AU->getSourceManager());
595 if (Range.isInvalid())
598 switch (CompareRegionOfInterest(Range)) {
600 // This declaration comes before the region of interest; skip it.
604 // This declaration comes after the region of interest; we're done.
608 // This declaration overlaps the region of interest; visit it.
615 bool CursorVisitor::VisitDeclContext(DeclContext *DC) {
616 DeclContext::decl_iterator I = DC->decls_begin(), E = DC->decls_end();
618 // FIXME: Eventually remove. This part of a hack to support proper
619 // iteration over all Decls contained lexically within an ObjC container.
620 SaveAndRestore<DeclContext::decl_iterator*> DI_saved(DI_current, &I);
621 SaveAndRestore<DeclContext::decl_iterator> DE_saved(DE_current, E);
623 for ( ; I != E; ++I) {
625 if (D->getLexicalDeclContext() != DC)
627 CXCursor Cursor = MakeCXCursor(D, TU, RegionOfInterest);
629 // Ignore synthesized ivars here, otherwise if we have something like:
630 // @synthesize prop = _prop;
631 // and '_prop' is not declared, we will encounter a '_prop' ivar before
632 // encountering the 'prop' synthesize declaration and we will think that
633 // we passed the region-of-interest.
634 if (ObjCIvarDecl *ivarD = dyn_cast<ObjCIvarDecl>(D)) {
635 if (ivarD->getSynthesize())
639 // FIXME: ObjCClassRef/ObjCProtocolRef for forward class/protocol
640 // declarations is a mismatch with the compiler semantics.
641 if (Cursor.kind == CXCursor_ObjCInterfaceDecl) {
642 ObjCInterfaceDecl *ID = cast<ObjCInterfaceDecl>(D);
643 if (!ID->isThisDeclarationADefinition())
644 Cursor = MakeCursorObjCClassRef(ID, ID->getLocation(), TU);
646 } else if (Cursor.kind == CXCursor_ObjCProtocolDecl) {
647 ObjCProtocolDecl *PD = cast<ObjCProtocolDecl>(D);
648 if (!PD->isThisDeclarationADefinition())
649 Cursor = MakeCursorObjCProtocolRef(PD, PD->getLocation(), TU);
652 const Optional<bool> &V = shouldVisitCursor(Cursor);
657 if (Visit(Cursor, true))
663 bool CursorVisitor::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
664 llvm_unreachable("Translation units are visited directly by Visit()");
667 bool CursorVisitor::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) {
668 if (VisitTemplateParameters(D->getTemplateParameters()))
671 return Visit(MakeCXCursor(D->getTemplatedDecl(), TU, RegionOfInterest));
674 bool CursorVisitor::VisitTypeAliasDecl(TypeAliasDecl *D) {
675 if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
676 return Visit(TSInfo->getTypeLoc());
681 bool CursorVisitor::VisitTypedefDecl(TypedefDecl *D) {
682 if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
683 return Visit(TSInfo->getTypeLoc());
688 bool CursorVisitor::VisitTagDecl(TagDecl *D) {
689 return VisitDeclContext(D);
692 bool CursorVisitor::VisitClassTemplateSpecializationDecl(
693 ClassTemplateSpecializationDecl *D) {
694 bool ShouldVisitBody = false;
695 switch (D->getSpecializationKind()) {
697 case TSK_ImplicitInstantiation:
701 case TSK_ExplicitInstantiationDeclaration:
702 case TSK_ExplicitInstantiationDefinition:
705 case TSK_ExplicitSpecialization:
706 ShouldVisitBody = true;
710 // Visit the template arguments used in the specialization.
711 if (TypeSourceInfo *SpecType = D->getTypeAsWritten()) {
712 TypeLoc TL = SpecType->getTypeLoc();
713 if (TemplateSpecializationTypeLoc TSTLoc =
714 TL.getAs<TemplateSpecializationTypeLoc>()) {
715 for (unsigned I = 0, N = TSTLoc.getNumArgs(); I != N; ++I)
716 if (VisitTemplateArgumentLoc(TSTLoc.getArgLoc(I)))
721 if (ShouldVisitBody && VisitCXXRecordDecl(D))
727 bool CursorVisitor::VisitClassTemplatePartialSpecializationDecl(
728 ClassTemplatePartialSpecializationDecl *D) {
729 // FIXME: Visit the "outer" template parameter lists on the TagDecl
730 // before visiting these template parameters.
731 if (VisitTemplateParameters(D->getTemplateParameters()))
734 // Visit the partial specialization arguments.
735 const ASTTemplateArgumentListInfo *Info = D->getTemplateArgsAsWritten();
736 const TemplateArgumentLoc *TemplateArgs = Info->getTemplateArgs();
737 for (unsigned I = 0, N = Info->NumTemplateArgs; I != N; ++I)
738 if (VisitTemplateArgumentLoc(TemplateArgs[I]))
741 return VisitCXXRecordDecl(D);
744 bool CursorVisitor::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
745 // Visit the default argument.
746 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
747 if (TypeSourceInfo *DefArg = D->getDefaultArgumentInfo())
748 if (Visit(DefArg->getTypeLoc()))
754 bool CursorVisitor::VisitEnumConstantDecl(EnumConstantDecl *D) {
755 if (Expr *Init = D->getInitExpr())
756 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
760 bool CursorVisitor::VisitDeclaratorDecl(DeclaratorDecl *DD) {
761 unsigned NumParamList = DD->getNumTemplateParameterLists();
762 for (unsigned i = 0; i < NumParamList; i++) {
763 TemplateParameterList* Params = DD->getTemplateParameterList(i);
764 if (VisitTemplateParameters(Params))
768 if (TypeSourceInfo *TSInfo = DD->getTypeSourceInfo())
769 if (Visit(TSInfo->getTypeLoc()))
772 // Visit the nested-name-specifier, if present.
773 if (NestedNameSpecifierLoc QualifierLoc = DD->getQualifierLoc())
774 if (VisitNestedNameSpecifierLoc(QualifierLoc))
780 /// \brief Compare two base or member initializers based on their source order.
781 static int CompareCXXCtorInitializers(CXXCtorInitializer *const *X,
782 CXXCtorInitializer *const *Y) {
783 return (*X)->getSourceOrder() - (*Y)->getSourceOrder();
786 bool CursorVisitor::VisitFunctionDecl(FunctionDecl *ND) {
787 unsigned NumParamList = ND->getNumTemplateParameterLists();
788 for (unsigned i = 0; i < NumParamList; i++) {
789 TemplateParameterList* Params = ND->getTemplateParameterList(i);
790 if (VisitTemplateParameters(Params))
794 if (TypeSourceInfo *TSInfo = ND->getTypeSourceInfo()) {
795 // Visit the function declaration's syntactic components in the order
796 // written. This requires a bit of work.
797 TypeLoc TL = TSInfo->getTypeLoc().IgnoreParens();
798 FunctionTypeLoc FTL = TL.getAs<FunctionTypeLoc>();
800 // If we have a function declared directly (without the use of a typedef),
801 // visit just the return type. Otherwise, just visit the function's type
803 if ((FTL && !isa<CXXConversionDecl>(ND) && Visit(FTL.getReturnLoc())) ||
807 // Visit the nested-name-specifier, if present.
808 if (NestedNameSpecifierLoc QualifierLoc = ND->getQualifierLoc())
809 if (VisitNestedNameSpecifierLoc(QualifierLoc))
812 // Visit the declaration name.
813 if (!isa<CXXDestructorDecl>(ND))
814 if (VisitDeclarationNameInfo(ND->getNameInfo()))
817 // FIXME: Visit explicitly-specified template arguments!
819 // Visit the function parameters, if we have a function type.
820 if (FTL && VisitFunctionTypeLoc(FTL, true))
823 // FIXME: Attributes?
826 if (ND->doesThisDeclarationHaveABody() && !ND->isLateTemplateParsed()) {
827 if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(ND)) {
828 // Find the initializers that were written in the source.
829 SmallVector<CXXCtorInitializer *, 4> WrittenInits;
830 for (auto *I : Constructor->inits()) {
834 WrittenInits.push_back(I);
837 // Sort the initializers in source order
838 llvm::array_pod_sort(WrittenInits.begin(), WrittenInits.end(),
839 &CompareCXXCtorInitializers);
841 // Visit the initializers in source order
842 for (unsigned I = 0, N = WrittenInits.size(); I != N; ++I) {
843 CXXCtorInitializer *Init = WrittenInits[I];
844 if (Init->isAnyMemberInitializer()) {
845 if (Visit(MakeCursorMemberRef(Init->getAnyMember(),
846 Init->getMemberLocation(), TU)))
848 } else if (TypeSourceInfo *TInfo = Init->getTypeSourceInfo()) {
849 if (Visit(TInfo->getTypeLoc()))
853 // Visit the initializer value.
854 if (Expr *Initializer = Init->getInit())
855 if (Visit(MakeCXCursor(Initializer, ND, TU, RegionOfInterest)))
860 if (Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest)))
867 bool CursorVisitor::VisitFieldDecl(FieldDecl *D) {
868 if (VisitDeclaratorDecl(D))
871 if (Expr *BitWidth = D->getBitWidth())
872 return Visit(MakeCXCursor(BitWidth, StmtParent, TU, RegionOfInterest));
877 bool CursorVisitor::VisitVarDecl(VarDecl *D) {
878 if (VisitDeclaratorDecl(D))
881 if (Expr *Init = D->getInit())
882 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
887 bool CursorVisitor::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
888 if (VisitDeclaratorDecl(D))
891 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
892 if (Expr *DefArg = D->getDefaultArgument())
893 return Visit(MakeCXCursor(DefArg, StmtParent, TU, RegionOfInterest));
898 bool CursorVisitor::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
899 // FIXME: Visit the "outer" template parameter lists on the FunctionDecl
900 // before visiting these template parameters.
901 if (VisitTemplateParameters(D->getTemplateParameters()))
904 return VisitFunctionDecl(D->getTemplatedDecl());
907 bool CursorVisitor::VisitClassTemplateDecl(ClassTemplateDecl *D) {
908 // FIXME: Visit the "outer" template parameter lists on the TagDecl
909 // before visiting these template parameters.
910 if (VisitTemplateParameters(D->getTemplateParameters()))
913 return VisitCXXRecordDecl(D->getTemplatedDecl());
916 bool CursorVisitor::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
917 if (VisitTemplateParameters(D->getTemplateParameters()))
920 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited() &&
921 VisitTemplateArgumentLoc(D->getDefaultArgument()))
927 bool CursorVisitor::VisitObjCTypeParamDecl(ObjCTypeParamDecl *D) {
928 // Visit the bound, if it's explicit.
929 if (D->hasExplicitBound()) {
930 if (auto TInfo = D->getTypeSourceInfo()) {
931 if (Visit(TInfo->getTypeLoc()))
939 bool CursorVisitor::VisitObjCMethodDecl(ObjCMethodDecl *ND) {
940 if (TypeSourceInfo *TSInfo = ND->getReturnTypeSourceInfo())
941 if (Visit(TSInfo->getTypeLoc()))
944 for (const auto *P : ND->params()) {
945 if (Visit(MakeCXCursor(P, TU, RegionOfInterest)))
949 if (ND->isThisDeclarationADefinition() &&
950 Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest)))
956 template <typename DeclIt>
957 static void addRangedDeclsInContainer(DeclIt *DI_current, DeclIt DE_current,
958 SourceManager &SM, SourceLocation EndLoc,
959 SmallVectorImpl<Decl *> &Decls) {
960 DeclIt next = *DI_current;
961 while (++next != DE_current) {
962 Decl *D_next = *next;
965 SourceLocation L = D_next->getLocStart();
968 if (SM.isBeforeInTranslationUnit(L, EndLoc)) {
970 Decls.push_back(D_next);
977 bool CursorVisitor::VisitObjCContainerDecl(ObjCContainerDecl *D) {
978 // FIXME: Eventually convert back to just 'VisitDeclContext()'. Essentially
979 // an @implementation can lexically contain Decls that are not properly
980 // nested in the AST. When we identify such cases, we need to retrofit
981 // this nesting here.
982 if (!DI_current && !FileDI_current)
983 return VisitDeclContext(D);
985 // Scan the Decls that immediately come after the container
986 // in the current DeclContext. If any fall within the
987 // container's lexical region, stash them into a vector
988 // for later processing.
989 SmallVector<Decl *, 24> DeclsInContainer;
990 SourceLocation EndLoc = D->getSourceRange().getEnd();
991 SourceManager &SM = AU->getSourceManager();
992 if (EndLoc.isValid()) {
994 addRangedDeclsInContainer(DI_current, DE_current, SM, EndLoc,
997 addRangedDeclsInContainer(FileDI_current, FileDE_current, SM, EndLoc,
1003 if (DeclsInContainer.empty())
1004 return VisitDeclContext(D);
1006 // Get all the Decls in the DeclContext, and sort them with the
1007 // additional ones we've collected. Then visit them.
1008 for (auto *SubDecl : D->decls()) {
1009 if (!SubDecl || SubDecl->getLexicalDeclContext() != D ||
1010 SubDecl->getLocStart().isInvalid())
1012 DeclsInContainer.push_back(SubDecl);
1015 // Now sort the Decls so that they appear in lexical order.
1016 std::sort(DeclsInContainer.begin(), DeclsInContainer.end(),
1017 [&SM](Decl *A, Decl *B) {
1018 SourceLocation L_A = A->getLocStart();
1019 SourceLocation L_B = B->getLocStart();
1020 assert(L_A.isValid() && L_B.isValid());
1021 return SM.isBeforeInTranslationUnit(L_A, L_B);
1024 // Now visit the decls.
1025 for (SmallVectorImpl<Decl*>::iterator I = DeclsInContainer.begin(),
1026 E = DeclsInContainer.end(); I != E; ++I) {
1027 CXCursor Cursor = MakeCXCursor(*I, TU, RegionOfInterest);
1028 const Optional<bool> &V = shouldVisitCursor(Cursor);
1033 if (Visit(Cursor, true))
1039 bool CursorVisitor::VisitObjCCategoryDecl(ObjCCategoryDecl *ND) {
1040 if (Visit(MakeCursorObjCClassRef(ND->getClassInterface(), ND->getLocation(),
1044 if (VisitObjCTypeParamList(ND->getTypeParamList()))
1047 ObjCCategoryDecl::protocol_loc_iterator PL = ND->protocol_loc_begin();
1048 for (ObjCCategoryDecl::protocol_iterator I = ND->protocol_begin(),
1049 E = ND->protocol_end(); I != E; ++I, ++PL)
1050 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1053 return VisitObjCContainerDecl(ND);
1056 bool CursorVisitor::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
1057 if (!PID->isThisDeclarationADefinition())
1058 return Visit(MakeCursorObjCProtocolRef(PID, PID->getLocation(), TU));
1060 ObjCProtocolDecl::protocol_loc_iterator PL = PID->protocol_loc_begin();
1061 for (ObjCProtocolDecl::protocol_iterator I = PID->protocol_begin(),
1062 E = PID->protocol_end(); I != E; ++I, ++PL)
1063 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1066 return VisitObjCContainerDecl(PID);
1069 bool CursorVisitor::VisitObjCPropertyDecl(ObjCPropertyDecl *PD) {
1070 if (PD->getTypeSourceInfo() && Visit(PD->getTypeSourceInfo()->getTypeLoc()))
1073 // FIXME: This implements a workaround with @property declarations also being
1074 // installed in the DeclContext for the @interface. Eventually this code
1075 // should be removed.
1076 ObjCCategoryDecl *CDecl = dyn_cast<ObjCCategoryDecl>(PD->getDeclContext());
1077 if (!CDecl || !CDecl->IsClassExtension())
1080 ObjCInterfaceDecl *ID = CDecl->getClassInterface();
1084 IdentifierInfo *PropertyId = PD->getIdentifier();
1085 ObjCPropertyDecl *prevDecl =
1086 ObjCPropertyDecl::findPropertyDecl(cast<DeclContext>(ID), PropertyId);
1091 // Visit synthesized methods since they will be skipped when visiting
1093 if (ObjCMethodDecl *MD = prevDecl->getGetterMethodDecl())
1094 if (MD->isPropertyAccessor() && MD->getLexicalDeclContext() == CDecl)
1095 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
1098 if (ObjCMethodDecl *MD = prevDecl->getSetterMethodDecl())
1099 if (MD->isPropertyAccessor() && MD->getLexicalDeclContext() == CDecl)
1100 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
1106 bool CursorVisitor::VisitObjCTypeParamList(ObjCTypeParamList *typeParamList) {
1110 for (auto *typeParam : *typeParamList) {
1111 // Visit the type parameter.
1112 if (Visit(MakeCXCursor(typeParam, TU, RegionOfInterest)))
1119 bool CursorVisitor::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) {
1120 if (!D->isThisDeclarationADefinition()) {
1121 // Forward declaration is treated like a reference.
1122 return Visit(MakeCursorObjCClassRef(D, D->getLocation(), TU));
1125 // Objective-C type parameters.
1126 if (VisitObjCTypeParamList(D->getTypeParamListAsWritten()))
1129 // Issue callbacks for super class.
1130 if (D->getSuperClass() &&
1131 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1132 D->getSuperClassLoc(),
1136 if (TypeSourceInfo *SuperClassTInfo = D->getSuperClassTInfo())
1137 if (Visit(SuperClassTInfo->getTypeLoc()))
1140 ObjCInterfaceDecl::protocol_loc_iterator PL = D->protocol_loc_begin();
1141 for (ObjCInterfaceDecl::protocol_iterator I = D->protocol_begin(),
1142 E = D->protocol_end(); I != E; ++I, ++PL)
1143 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1146 return VisitObjCContainerDecl(D);
1149 bool CursorVisitor::VisitObjCImplDecl(ObjCImplDecl *D) {
1150 return VisitObjCContainerDecl(D);
1153 bool CursorVisitor::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
1154 // 'ID' could be null when dealing with invalid code.
1155 if (ObjCInterfaceDecl *ID = D->getClassInterface())
1156 if (Visit(MakeCursorObjCClassRef(ID, D->getLocation(), TU)))
1159 return VisitObjCImplDecl(D);
1162 bool CursorVisitor::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
1164 // Issue callbacks for super class.
1165 // FIXME: No source location information!
1166 if (D->getSuperClass() &&
1167 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1168 D->getSuperClassLoc(),
1173 return VisitObjCImplDecl(D);
1176 bool CursorVisitor::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PD) {
1177 if (ObjCIvarDecl *Ivar = PD->getPropertyIvarDecl())
1178 if (PD->isIvarNameSpecified())
1179 return Visit(MakeCursorMemberRef(Ivar, PD->getPropertyIvarDeclLoc(), TU));
1184 bool CursorVisitor::VisitNamespaceDecl(NamespaceDecl *D) {
1185 return VisitDeclContext(D);
1188 bool CursorVisitor::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
1189 // Visit nested-name-specifier.
1190 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1191 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1194 return Visit(MakeCursorNamespaceRef(D->getAliasedNamespace(),
1195 D->getTargetNameLoc(), TU));
1198 bool CursorVisitor::VisitUsingDecl(UsingDecl *D) {
1199 // Visit nested-name-specifier.
1200 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1201 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1205 if (Visit(MakeCursorOverloadedDeclRef(D, D->getLocation(), TU)))
1208 return VisitDeclarationNameInfo(D->getNameInfo());
1211 bool CursorVisitor::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
1212 // Visit nested-name-specifier.
1213 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1214 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1217 return Visit(MakeCursorNamespaceRef(D->getNominatedNamespaceAsWritten(),
1218 D->getIdentLocation(), TU));
1221 bool CursorVisitor::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
1222 // Visit nested-name-specifier.
1223 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1224 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1228 return VisitDeclarationNameInfo(D->getNameInfo());
1231 bool CursorVisitor::VisitUnresolvedUsingTypenameDecl(
1232 UnresolvedUsingTypenameDecl *D) {
1233 // Visit nested-name-specifier.
1234 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1235 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1241 bool CursorVisitor::VisitDeclarationNameInfo(DeclarationNameInfo Name) {
1242 switch (Name.getName().getNameKind()) {
1243 case clang::DeclarationName::Identifier:
1244 case clang::DeclarationName::CXXLiteralOperatorName:
1245 case clang::DeclarationName::CXXOperatorName:
1246 case clang::DeclarationName::CXXUsingDirective:
1249 case clang::DeclarationName::CXXConstructorName:
1250 case clang::DeclarationName::CXXDestructorName:
1251 case clang::DeclarationName::CXXConversionFunctionName:
1252 if (TypeSourceInfo *TSInfo = Name.getNamedTypeInfo())
1253 return Visit(TSInfo->getTypeLoc());
1256 case clang::DeclarationName::ObjCZeroArgSelector:
1257 case clang::DeclarationName::ObjCOneArgSelector:
1258 case clang::DeclarationName::ObjCMultiArgSelector:
1259 // FIXME: Per-identifier location info?
1263 llvm_unreachable("Invalid DeclarationName::Kind!");
1266 bool CursorVisitor::VisitNestedNameSpecifier(NestedNameSpecifier *NNS,
1267 SourceRange Range) {
1268 // FIXME: This whole routine is a hack to work around the lack of proper
1269 // source information in nested-name-specifiers (PR5791). Since we do have
1270 // a beginning source location, we can visit the first component of the
1271 // nested-name-specifier, if it's a single-token component.
1275 // Get the first component in the nested-name-specifier.
1276 while (NestedNameSpecifier *Prefix = NNS->getPrefix())
1279 switch (NNS->getKind()) {
1280 case NestedNameSpecifier::Namespace:
1281 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(), Range.getBegin(),
1284 case NestedNameSpecifier::NamespaceAlias:
1285 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1286 Range.getBegin(), TU));
1288 case NestedNameSpecifier::TypeSpec: {
1289 // If the type has a form where we know that the beginning of the source
1290 // range matches up with a reference cursor. Visit the appropriate reference
1292 const Type *T = NNS->getAsType();
1293 if (const TypedefType *Typedef = dyn_cast<TypedefType>(T))
1294 return Visit(MakeCursorTypeRef(Typedef->getDecl(), Range.getBegin(), TU));
1295 if (const TagType *Tag = dyn_cast<TagType>(T))
1296 return Visit(MakeCursorTypeRef(Tag->getDecl(), Range.getBegin(), TU));
1297 if (const TemplateSpecializationType *TST
1298 = dyn_cast<TemplateSpecializationType>(T))
1299 return VisitTemplateName(TST->getTemplateName(), Range.getBegin());
1303 case NestedNameSpecifier::TypeSpecWithTemplate:
1304 case NestedNameSpecifier::Global:
1305 case NestedNameSpecifier::Identifier:
1306 case NestedNameSpecifier::Super:
1314 CursorVisitor::VisitNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1315 SmallVector<NestedNameSpecifierLoc, 4> Qualifiers;
1316 for (; Qualifier; Qualifier = Qualifier.getPrefix())
1317 Qualifiers.push_back(Qualifier);
1319 while (!Qualifiers.empty()) {
1320 NestedNameSpecifierLoc Q = Qualifiers.pop_back_val();
1321 NestedNameSpecifier *NNS = Q.getNestedNameSpecifier();
1322 switch (NNS->getKind()) {
1323 case NestedNameSpecifier::Namespace:
1324 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(),
1325 Q.getLocalBeginLoc(),
1331 case NestedNameSpecifier::NamespaceAlias:
1332 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1333 Q.getLocalBeginLoc(),
1339 case NestedNameSpecifier::TypeSpec:
1340 case NestedNameSpecifier::TypeSpecWithTemplate:
1341 if (Visit(Q.getTypeLoc()))
1346 case NestedNameSpecifier::Global:
1347 case NestedNameSpecifier::Identifier:
1348 case NestedNameSpecifier::Super:
1356 bool CursorVisitor::VisitTemplateParameters(
1357 const TemplateParameterList *Params) {
1361 for (TemplateParameterList::const_iterator P = Params->begin(),
1362 PEnd = Params->end();
1364 if (Visit(MakeCXCursor(*P, TU, RegionOfInterest)))
1371 bool CursorVisitor::VisitTemplateName(TemplateName Name, SourceLocation Loc) {
1372 switch (Name.getKind()) {
1373 case TemplateName::Template:
1374 return Visit(MakeCursorTemplateRef(Name.getAsTemplateDecl(), Loc, TU));
1376 case TemplateName::OverloadedTemplate:
1377 // Visit the overloaded template set.
1378 if (Visit(MakeCursorOverloadedDeclRef(Name, Loc, TU)))
1383 case TemplateName::DependentTemplate:
1384 // FIXME: Visit nested-name-specifier.
1387 case TemplateName::QualifiedTemplate:
1388 // FIXME: Visit nested-name-specifier.
1389 return Visit(MakeCursorTemplateRef(
1390 Name.getAsQualifiedTemplateName()->getDecl(),
1393 case TemplateName::SubstTemplateTemplateParm:
1394 return Visit(MakeCursorTemplateRef(
1395 Name.getAsSubstTemplateTemplateParm()->getParameter(),
1398 case TemplateName::SubstTemplateTemplateParmPack:
1399 return Visit(MakeCursorTemplateRef(
1400 Name.getAsSubstTemplateTemplateParmPack()->getParameterPack(),
1404 llvm_unreachable("Invalid TemplateName::Kind!");
1407 bool CursorVisitor::VisitTemplateArgumentLoc(const TemplateArgumentLoc &TAL) {
1408 switch (TAL.getArgument().getKind()) {
1409 case TemplateArgument::Null:
1410 case TemplateArgument::Integral:
1411 case TemplateArgument::Pack:
1414 case TemplateArgument::Type:
1415 if (TypeSourceInfo *TSInfo = TAL.getTypeSourceInfo())
1416 return Visit(TSInfo->getTypeLoc());
1419 case TemplateArgument::Declaration:
1420 if (Expr *E = TAL.getSourceDeclExpression())
1421 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1424 case TemplateArgument::NullPtr:
1425 if (Expr *E = TAL.getSourceNullPtrExpression())
1426 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1429 case TemplateArgument::Expression:
1430 if (Expr *E = TAL.getSourceExpression())
1431 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1434 case TemplateArgument::Template:
1435 case TemplateArgument::TemplateExpansion:
1436 if (VisitNestedNameSpecifierLoc(TAL.getTemplateQualifierLoc()))
1439 return VisitTemplateName(TAL.getArgument().getAsTemplateOrTemplatePattern(),
1440 TAL.getTemplateNameLoc());
1443 llvm_unreachable("Invalid TemplateArgument::Kind!");
1446 bool CursorVisitor::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
1447 return VisitDeclContext(D);
1450 bool CursorVisitor::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) {
1451 return Visit(TL.getUnqualifiedLoc());
1454 bool CursorVisitor::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) {
1455 ASTContext &Context = AU->getASTContext();
1457 // Some builtin types (such as Objective-C's "id", "sel", and
1458 // "Class") have associated declarations. Create cursors for those.
1460 switch (TL.getTypePtr()->getKind()) {
1462 case BuiltinType::Void:
1463 case BuiltinType::NullPtr:
1464 case BuiltinType::Dependent:
1465 case BuiltinType::OCLImage1d:
1466 case BuiltinType::OCLImage1dArray:
1467 case BuiltinType::OCLImage1dBuffer:
1468 case BuiltinType::OCLImage2d:
1469 case BuiltinType::OCLImage2dArray:
1470 case BuiltinType::OCLImage2dDepth:
1471 case BuiltinType::OCLImage2dArrayDepth:
1472 case BuiltinType::OCLImage2dMSAA:
1473 case BuiltinType::OCLImage2dArrayMSAA:
1474 case BuiltinType::OCLImage2dMSAADepth:
1475 case BuiltinType::OCLImage2dArrayMSAADepth:
1476 case BuiltinType::OCLImage3d:
1477 case BuiltinType::OCLSampler:
1478 case BuiltinType::OCLEvent:
1479 case BuiltinType::OCLClkEvent:
1480 case BuiltinType::OCLQueue:
1481 case BuiltinType::OCLNDRange:
1482 case BuiltinType::OCLReserveID:
1483 #define BUILTIN_TYPE(Id, SingletonId)
1484 #define SIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1485 #define UNSIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1486 #define FLOATING_TYPE(Id, SingletonId) case BuiltinType::Id:
1487 #define PLACEHOLDER_TYPE(Id, SingletonId) case BuiltinType::Id:
1488 #include "clang/AST/BuiltinTypes.def"
1491 case BuiltinType::ObjCId:
1492 VisitType = Context.getObjCIdType();
1495 case BuiltinType::ObjCClass:
1496 VisitType = Context.getObjCClassType();
1499 case BuiltinType::ObjCSel:
1500 VisitType = Context.getObjCSelType();
1504 if (!VisitType.isNull()) {
1505 if (const TypedefType *Typedef = VisitType->getAs<TypedefType>())
1506 return Visit(MakeCursorTypeRef(Typedef->getDecl(), TL.getBuiltinLoc(),
1513 bool CursorVisitor::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
1514 return Visit(MakeCursorTypeRef(TL.getTypedefNameDecl(), TL.getNameLoc(), TU));
1517 bool CursorVisitor::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
1518 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1521 bool CursorVisitor::VisitTagTypeLoc(TagTypeLoc TL) {
1522 if (TL.isDefinition())
1523 return Visit(MakeCXCursor(TL.getDecl(), TU, RegionOfInterest));
1525 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1528 bool CursorVisitor::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
1529 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1532 bool CursorVisitor::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
1533 return Visit(MakeCursorObjCClassRef(TL.getIFaceDecl(), TL.getNameLoc(), TU));
1536 bool CursorVisitor::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
1537 if (TL.hasBaseTypeAsWritten() && Visit(TL.getBaseLoc()))
1540 for (unsigned I = 0, N = TL.getNumTypeArgs(); I != N; ++I) {
1541 if (Visit(TL.getTypeArgTInfo(I)->getTypeLoc()))
1545 for (unsigned I = 0, N = TL.getNumProtocols(); I != N; ++I) {
1546 if (Visit(MakeCursorObjCProtocolRef(TL.getProtocol(I), TL.getProtocolLoc(I),
1554 bool CursorVisitor::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
1555 return Visit(TL.getPointeeLoc());
1558 bool CursorVisitor::VisitParenTypeLoc(ParenTypeLoc TL) {
1559 return Visit(TL.getInnerLoc());
1562 bool CursorVisitor::VisitPointerTypeLoc(PointerTypeLoc TL) {
1563 return Visit(TL.getPointeeLoc());
1566 bool CursorVisitor::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
1567 return Visit(TL.getPointeeLoc());
1570 bool CursorVisitor::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
1571 return Visit(TL.getPointeeLoc());
1574 bool CursorVisitor::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
1575 return Visit(TL.getPointeeLoc());
1578 bool CursorVisitor::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
1579 return Visit(TL.getPointeeLoc());
1582 bool CursorVisitor::VisitAttributedTypeLoc(AttributedTypeLoc TL) {
1583 return Visit(TL.getModifiedLoc());
1586 bool CursorVisitor::VisitFunctionTypeLoc(FunctionTypeLoc TL,
1587 bool SkipResultType) {
1588 if (!SkipResultType && Visit(TL.getReturnLoc()))
1591 for (unsigned I = 0, N = TL.getNumParams(); I != N; ++I)
1592 if (Decl *D = TL.getParam(I))
1593 if (Visit(MakeCXCursor(D, TU, RegionOfInterest)))
1599 bool CursorVisitor::VisitArrayTypeLoc(ArrayTypeLoc TL) {
1600 if (Visit(TL.getElementLoc()))
1603 if (Expr *Size = TL.getSizeExpr())
1604 return Visit(MakeCXCursor(Size, StmtParent, TU, RegionOfInterest));
1609 bool CursorVisitor::VisitDecayedTypeLoc(DecayedTypeLoc TL) {
1610 return Visit(TL.getOriginalLoc());
1613 bool CursorVisitor::VisitAdjustedTypeLoc(AdjustedTypeLoc TL) {
1614 return Visit(TL.getOriginalLoc());
1617 bool CursorVisitor::VisitTemplateSpecializationTypeLoc(
1618 TemplateSpecializationTypeLoc TL) {
1619 // Visit the template name.
1620 if (VisitTemplateName(TL.getTypePtr()->getTemplateName(),
1621 TL.getTemplateNameLoc()))
1624 // Visit the template arguments.
1625 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1626 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1632 bool CursorVisitor::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
1633 return Visit(MakeCXCursor(TL.getUnderlyingExpr(), StmtParent, TU));
1636 bool CursorVisitor::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
1637 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1638 return Visit(TSInfo->getTypeLoc());
1643 bool CursorVisitor::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) {
1644 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1645 return Visit(TSInfo->getTypeLoc());
1650 bool CursorVisitor::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) {
1651 return VisitNestedNameSpecifierLoc(TL.getQualifierLoc());
1654 bool CursorVisitor::VisitDependentTemplateSpecializationTypeLoc(
1655 DependentTemplateSpecializationTypeLoc TL) {
1656 // Visit the nested-name-specifier, if there is one.
1657 if (TL.getQualifierLoc() &&
1658 VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1661 // Visit the template arguments.
1662 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1663 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1669 bool CursorVisitor::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
1670 if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1673 return Visit(TL.getNamedTypeLoc());
1676 bool CursorVisitor::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) {
1677 return Visit(TL.getPatternLoc());
1680 bool CursorVisitor::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
1681 if (Expr *E = TL.getUnderlyingExpr())
1682 return Visit(MakeCXCursor(E, StmtParent, TU));
1687 bool CursorVisitor::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) {
1688 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1691 bool CursorVisitor::VisitAtomicTypeLoc(AtomicTypeLoc TL) {
1692 return Visit(TL.getValueLoc());
1695 #define DEFAULT_TYPELOC_IMPL(CLASS, PARENT) \
1696 bool CursorVisitor::Visit##CLASS##TypeLoc(CLASS##TypeLoc TL) { \
1697 return Visit##PARENT##Loc(TL); \
1700 DEFAULT_TYPELOC_IMPL(Complex, Type)
1701 DEFAULT_TYPELOC_IMPL(ConstantArray, ArrayType)
1702 DEFAULT_TYPELOC_IMPL(IncompleteArray, ArrayType)
1703 DEFAULT_TYPELOC_IMPL(VariableArray, ArrayType)
1704 DEFAULT_TYPELOC_IMPL(DependentSizedArray, ArrayType)
1705 DEFAULT_TYPELOC_IMPL(DependentSizedExtVector, Type)
1706 DEFAULT_TYPELOC_IMPL(Vector, Type)
1707 DEFAULT_TYPELOC_IMPL(ExtVector, VectorType)
1708 DEFAULT_TYPELOC_IMPL(FunctionProto, FunctionType)
1709 DEFAULT_TYPELOC_IMPL(FunctionNoProto, FunctionType)
1710 DEFAULT_TYPELOC_IMPL(Record, TagType)
1711 DEFAULT_TYPELOC_IMPL(Enum, TagType)
1712 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParm, Type)
1713 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParmPack, Type)
1714 DEFAULT_TYPELOC_IMPL(Auto, Type)
1716 bool CursorVisitor::VisitCXXRecordDecl(CXXRecordDecl *D) {
1717 // Visit the nested-name-specifier, if present.
1718 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1719 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1722 if (D->isCompleteDefinition()) {
1723 for (const auto &I : D->bases()) {
1724 if (Visit(cxcursor::MakeCursorCXXBaseSpecifier(&I, TU)))
1729 return VisitTagDecl(D);
1732 bool CursorVisitor::VisitAttributes(Decl *D) {
1733 for (const auto *I : D->attrs())
1734 if (Visit(MakeCXCursor(I, D, TU)))
1740 //===----------------------------------------------------------------------===//
1741 // Data-recursive visitor methods.
1742 //===----------------------------------------------------------------------===//
1745 #define DEF_JOB(NAME, DATA, KIND)\
1746 class NAME : public VisitorJob {\
1748 NAME(const DATA *d, CXCursor parent) : \
1749 VisitorJob(parent, VisitorJob::KIND, d) {} \
1750 static bool classof(const VisitorJob *VJ) { return VJ->getKind() == KIND; }\
1751 const DATA *get() const { return static_cast<const DATA*>(data[0]); }\
1754 DEF_JOB(StmtVisit, Stmt, StmtVisitKind)
1755 DEF_JOB(MemberExprParts, MemberExpr, MemberExprPartsKind)
1756 DEF_JOB(DeclRefExprParts, DeclRefExpr, DeclRefExprPartsKind)
1757 DEF_JOB(OverloadExprParts, OverloadExpr, OverloadExprPartsKind)
1758 DEF_JOB(ExplicitTemplateArgsVisit, ASTTemplateArgumentListInfo,
1759 ExplicitTemplateArgsVisitKind)
1760 DEF_JOB(SizeOfPackExprParts, SizeOfPackExpr, SizeOfPackExprPartsKind)
1761 DEF_JOB(LambdaExprParts, LambdaExpr, LambdaExprPartsKind)
1762 DEF_JOB(PostChildrenVisit, void, PostChildrenVisitKind)
1765 class DeclVisit : public VisitorJob {
1767 DeclVisit(const Decl *D, CXCursor parent, bool isFirst) :
1768 VisitorJob(parent, VisitorJob::DeclVisitKind,
1769 D, isFirst ? (void*) 1 : (void*) nullptr) {}
1770 static bool classof(const VisitorJob *VJ) {
1771 return VJ->getKind() == DeclVisitKind;
1773 const Decl *get() const { return static_cast<const Decl *>(data[0]); }
1774 bool isFirst() const { return data[1] != nullptr; }
1776 class TypeLocVisit : public VisitorJob {
1778 TypeLocVisit(TypeLoc tl, CXCursor parent) :
1779 VisitorJob(parent, VisitorJob::TypeLocVisitKind,
1780 tl.getType().getAsOpaquePtr(), tl.getOpaqueData()) {}
1782 static bool classof(const VisitorJob *VJ) {
1783 return VJ->getKind() == TypeLocVisitKind;
1786 TypeLoc get() const {
1787 QualType T = QualType::getFromOpaquePtr(data[0]);
1788 return TypeLoc(T, const_cast<void *>(data[1]));
1792 class LabelRefVisit : public VisitorJob {
1794 LabelRefVisit(LabelDecl *LD, SourceLocation labelLoc, CXCursor parent)
1795 : VisitorJob(parent, VisitorJob::LabelRefVisitKind, LD,
1796 labelLoc.getPtrEncoding()) {}
1798 static bool classof(const VisitorJob *VJ) {
1799 return VJ->getKind() == VisitorJob::LabelRefVisitKind;
1801 const LabelDecl *get() const {
1802 return static_cast<const LabelDecl *>(data[0]);
1804 SourceLocation getLoc() const {
1805 return SourceLocation::getFromPtrEncoding(data[1]); }
1808 class NestedNameSpecifierLocVisit : public VisitorJob {
1810 NestedNameSpecifierLocVisit(NestedNameSpecifierLoc Qualifier, CXCursor parent)
1811 : VisitorJob(parent, VisitorJob::NestedNameSpecifierLocVisitKind,
1812 Qualifier.getNestedNameSpecifier(),
1813 Qualifier.getOpaqueData()) { }
1815 static bool classof(const VisitorJob *VJ) {
1816 return VJ->getKind() == VisitorJob::NestedNameSpecifierLocVisitKind;
1819 NestedNameSpecifierLoc get() const {
1820 return NestedNameSpecifierLoc(
1821 const_cast<NestedNameSpecifier *>(
1822 static_cast<const NestedNameSpecifier *>(data[0])),
1823 const_cast<void *>(data[1]));
1827 class DeclarationNameInfoVisit : public VisitorJob {
1829 DeclarationNameInfoVisit(const Stmt *S, CXCursor parent)
1830 : VisitorJob(parent, VisitorJob::DeclarationNameInfoVisitKind, S) {}
1831 static bool classof(const VisitorJob *VJ) {
1832 return VJ->getKind() == VisitorJob::DeclarationNameInfoVisitKind;
1834 DeclarationNameInfo get() const {
1835 const Stmt *S = static_cast<const Stmt *>(data[0]);
1836 switch (S->getStmtClass()) {
1838 llvm_unreachable("Unhandled Stmt");
1839 case clang::Stmt::MSDependentExistsStmtClass:
1840 return cast<MSDependentExistsStmt>(S)->getNameInfo();
1841 case Stmt::CXXDependentScopeMemberExprClass:
1842 return cast<CXXDependentScopeMemberExpr>(S)->getMemberNameInfo();
1843 case Stmt::DependentScopeDeclRefExprClass:
1844 return cast<DependentScopeDeclRefExpr>(S)->getNameInfo();
1845 case Stmt::OMPCriticalDirectiveClass:
1846 return cast<OMPCriticalDirective>(S)->getDirectiveName();
1850 class MemberRefVisit : public VisitorJob {
1852 MemberRefVisit(const FieldDecl *D, SourceLocation L, CXCursor parent)
1853 : VisitorJob(parent, VisitorJob::MemberRefVisitKind, D,
1854 L.getPtrEncoding()) {}
1855 static bool classof(const VisitorJob *VJ) {
1856 return VJ->getKind() == VisitorJob::MemberRefVisitKind;
1858 const FieldDecl *get() const {
1859 return static_cast<const FieldDecl *>(data[0]);
1861 SourceLocation getLoc() const {
1862 return SourceLocation::getFromRawEncoding((unsigned)(uintptr_t) data[1]);
1865 class EnqueueVisitor : public ConstStmtVisitor<EnqueueVisitor, void> {
1866 friend class OMPClauseEnqueue;
1867 VisitorWorkList &WL;
1870 EnqueueVisitor(VisitorWorkList &wl, CXCursor parent)
1871 : WL(wl), Parent(parent) {}
1873 void VisitAddrLabelExpr(const AddrLabelExpr *E);
1874 void VisitBlockExpr(const BlockExpr *B);
1875 void VisitCompoundLiteralExpr(const CompoundLiteralExpr *E);
1876 void VisitCompoundStmt(const CompoundStmt *S);
1877 void VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *E) { /* Do nothing. */ }
1878 void VisitMSDependentExistsStmt(const MSDependentExistsStmt *S);
1879 void VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E);
1880 void VisitCXXNewExpr(const CXXNewExpr *E);
1881 void VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *E);
1882 void VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *E);
1883 void VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *E);
1884 void VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *E);
1885 void VisitCXXTypeidExpr(const CXXTypeidExpr *E);
1886 void VisitCXXUnresolvedConstructExpr(const CXXUnresolvedConstructExpr *E);
1887 void VisitCXXUuidofExpr(const CXXUuidofExpr *E);
1888 void VisitCXXCatchStmt(const CXXCatchStmt *S);
1889 void VisitCXXForRangeStmt(const CXXForRangeStmt *S);
1890 void VisitDeclRefExpr(const DeclRefExpr *D);
1891 void VisitDeclStmt(const DeclStmt *S);
1892 void VisitDependentScopeDeclRefExpr(const DependentScopeDeclRefExpr *E);
1893 void VisitDesignatedInitExpr(const DesignatedInitExpr *E);
1894 void VisitExplicitCastExpr(const ExplicitCastExpr *E);
1895 void VisitForStmt(const ForStmt *FS);
1896 void VisitGotoStmt(const GotoStmt *GS);
1897 void VisitIfStmt(const IfStmt *If);
1898 void VisitInitListExpr(const InitListExpr *IE);
1899 void VisitMemberExpr(const MemberExpr *M);
1900 void VisitOffsetOfExpr(const OffsetOfExpr *E);
1901 void VisitObjCEncodeExpr(const ObjCEncodeExpr *E);
1902 void VisitObjCMessageExpr(const ObjCMessageExpr *M);
1903 void VisitOverloadExpr(const OverloadExpr *E);
1904 void VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *E);
1905 void VisitStmt(const Stmt *S);
1906 void VisitSwitchStmt(const SwitchStmt *S);
1907 void VisitWhileStmt(const WhileStmt *W);
1908 void VisitTypeTraitExpr(const TypeTraitExpr *E);
1909 void VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E);
1910 void VisitExpressionTraitExpr(const ExpressionTraitExpr *E);
1911 void VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U);
1912 void VisitVAArgExpr(const VAArgExpr *E);
1913 void VisitSizeOfPackExpr(const SizeOfPackExpr *E);
1914 void VisitPseudoObjectExpr(const PseudoObjectExpr *E);
1915 void VisitOpaqueValueExpr(const OpaqueValueExpr *E);
1916 void VisitLambdaExpr(const LambdaExpr *E);
1917 void VisitOMPExecutableDirective(const OMPExecutableDirective *D);
1918 void VisitOMPLoopDirective(const OMPLoopDirective *D);
1919 void VisitOMPParallelDirective(const OMPParallelDirective *D);
1920 void VisitOMPSimdDirective(const OMPSimdDirective *D);
1921 void VisitOMPForDirective(const OMPForDirective *D);
1922 void VisitOMPForSimdDirective(const OMPForSimdDirective *D);
1923 void VisitOMPSectionsDirective(const OMPSectionsDirective *D);
1924 void VisitOMPSectionDirective(const OMPSectionDirective *D);
1925 void VisitOMPSingleDirective(const OMPSingleDirective *D);
1926 void VisitOMPMasterDirective(const OMPMasterDirective *D);
1927 void VisitOMPCriticalDirective(const OMPCriticalDirective *D);
1928 void VisitOMPParallelForDirective(const OMPParallelForDirective *D);
1929 void VisitOMPParallelForSimdDirective(const OMPParallelForSimdDirective *D);
1930 void VisitOMPParallelSectionsDirective(const OMPParallelSectionsDirective *D);
1931 void VisitOMPTaskDirective(const OMPTaskDirective *D);
1932 void VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D);
1933 void VisitOMPBarrierDirective(const OMPBarrierDirective *D);
1934 void VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D);
1935 void VisitOMPTaskgroupDirective(const OMPTaskgroupDirective *D);
1937 VisitOMPCancellationPointDirective(const OMPCancellationPointDirective *D);
1938 void VisitOMPCancelDirective(const OMPCancelDirective *D);
1939 void VisitOMPFlushDirective(const OMPFlushDirective *D);
1940 void VisitOMPOrderedDirective(const OMPOrderedDirective *D);
1941 void VisitOMPAtomicDirective(const OMPAtomicDirective *D);
1942 void VisitOMPTargetDirective(const OMPTargetDirective *D);
1943 void VisitOMPTargetDataDirective(const OMPTargetDataDirective *D);
1944 void VisitOMPTeamsDirective(const OMPTeamsDirective *D);
1945 void VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *D);
1946 void VisitOMPTaskLoopSimdDirective(const OMPTaskLoopSimdDirective *D);
1947 void VisitOMPDistributeDirective(const OMPDistributeDirective *D);
1950 void AddDeclarationNameInfo(const Stmt *S);
1951 void AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier);
1952 void AddExplicitTemplateArgs(const ASTTemplateArgumentListInfo *A);
1953 void AddMemberRef(const FieldDecl *D, SourceLocation L);
1954 void AddStmt(const Stmt *S);
1955 void AddDecl(const Decl *D, bool isFirst = true);
1956 void AddTypeLoc(TypeSourceInfo *TI);
1957 void EnqueueChildren(const Stmt *S);
1958 void EnqueueChildren(const OMPClause *S);
1960 } // end anonyous namespace
1962 void EnqueueVisitor::AddDeclarationNameInfo(const Stmt *S) {
1963 // 'S' should always be non-null, since it comes from the
1964 // statement we are visiting.
1965 WL.push_back(DeclarationNameInfoVisit(S, Parent));
1969 EnqueueVisitor::AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1971 WL.push_back(NestedNameSpecifierLocVisit(Qualifier, Parent));
1974 void EnqueueVisitor::AddStmt(const Stmt *S) {
1976 WL.push_back(StmtVisit(S, Parent));
1978 void EnqueueVisitor::AddDecl(const Decl *D, bool isFirst) {
1980 WL.push_back(DeclVisit(D, Parent, isFirst));
1982 void EnqueueVisitor::
1983 AddExplicitTemplateArgs(const ASTTemplateArgumentListInfo *A) {
1985 WL.push_back(ExplicitTemplateArgsVisit(A, Parent));
1987 void EnqueueVisitor::AddMemberRef(const FieldDecl *D, SourceLocation L) {
1989 WL.push_back(MemberRefVisit(D, L, Parent));
1991 void EnqueueVisitor::AddTypeLoc(TypeSourceInfo *TI) {
1993 WL.push_back(TypeLocVisit(TI->getTypeLoc(), Parent));
1995 void EnqueueVisitor::EnqueueChildren(const Stmt *S) {
1996 unsigned size = WL.size();
1997 for (const Stmt *SubStmt : S->children()) {
2000 if (size == WL.size())
2002 // Now reverse the entries we just added. This will match the DFS
2003 // ordering performed by the worklist.
2004 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2008 class OMPClauseEnqueue : public ConstOMPClauseVisitor<OMPClauseEnqueue> {
2009 EnqueueVisitor *Visitor;
2010 /// \brief Process clauses with list of variables.
2011 template <typename T>
2012 void VisitOMPClauseList(T *Node);
2014 OMPClauseEnqueue(EnqueueVisitor *Visitor) : Visitor(Visitor) { }
2015 #define OPENMP_CLAUSE(Name, Class) \
2016 void Visit##Class(const Class *C);
2017 #include "clang/Basic/OpenMPKinds.def"
2020 void OMPClauseEnqueue::VisitOMPIfClause(const OMPIfClause *C) {
2021 Visitor->AddStmt(C->getCondition());
2024 void OMPClauseEnqueue::VisitOMPFinalClause(const OMPFinalClause *C) {
2025 Visitor->AddStmt(C->getCondition());
2028 void OMPClauseEnqueue::VisitOMPNumThreadsClause(const OMPNumThreadsClause *C) {
2029 Visitor->AddStmt(C->getNumThreads());
2032 void OMPClauseEnqueue::VisitOMPSafelenClause(const OMPSafelenClause *C) {
2033 Visitor->AddStmt(C->getSafelen());
2036 void OMPClauseEnqueue::VisitOMPSimdlenClause(const OMPSimdlenClause *C) {
2037 Visitor->AddStmt(C->getSimdlen());
2040 void OMPClauseEnqueue::VisitOMPCollapseClause(const OMPCollapseClause *C) {
2041 Visitor->AddStmt(C->getNumForLoops());
2044 void OMPClauseEnqueue::VisitOMPDefaultClause(const OMPDefaultClause *C) { }
2046 void OMPClauseEnqueue::VisitOMPProcBindClause(const OMPProcBindClause *C) { }
2048 void OMPClauseEnqueue::VisitOMPScheduleClause(const OMPScheduleClause *C) {
2049 Visitor->AddStmt(C->getChunkSize());
2050 Visitor->AddStmt(C->getHelperChunkSize());
2053 void OMPClauseEnqueue::VisitOMPOrderedClause(const OMPOrderedClause *C) {
2054 Visitor->AddStmt(C->getNumForLoops());
2057 void OMPClauseEnqueue::VisitOMPNowaitClause(const OMPNowaitClause *) {}
2059 void OMPClauseEnqueue::VisitOMPUntiedClause(const OMPUntiedClause *) {}
2061 void OMPClauseEnqueue::VisitOMPMergeableClause(const OMPMergeableClause *) {}
2063 void OMPClauseEnqueue::VisitOMPReadClause(const OMPReadClause *) {}
2065 void OMPClauseEnqueue::VisitOMPWriteClause(const OMPWriteClause *) {}
2067 void OMPClauseEnqueue::VisitOMPUpdateClause(const OMPUpdateClause *) {}
2069 void OMPClauseEnqueue::VisitOMPCaptureClause(const OMPCaptureClause *) {}
2071 void OMPClauseEnqueue::VisitOMPSeqCstClause(const OMPSeqCstClause *) {}
2073 void OMPClauseEnqueue::VisitOMPThreadsClause(const OMPThreadsClause *) {}
2075 void OMPClauseEnqueue::VisitOMPSIMDClause(const OMPSIMDClause *) {}
2077 void OMPClauseEnqueue::VisitOMPNogroupClause(const OMPNogroupClause *) {}
2079 void OMPClauseEnqueue::VisitOMPDeviceClause(const OMPDeviceClause *C) {
2080 Visitor->AddStmt(C->getDevice());
2083 void OMPClauseEnqueue::VisitOMPNumTeamsClause(const OMPNumTeamsClause *C) {
2084 Visitor->AddStmt(C->getNumTeams());
2087 void OMPClauseEnqueue::VisitOMPThreadLimitClause(const OMPThreadLimitClause *C) {
2088 Visitor->AddStmt(C->getThreadLimit());
2091 void OMPClauseEnqueue::VisitOMPPriorityClause(const OMPPriorityClause *C) {
2092 Visitor->AddStmt(C->getPriority());
2095 void OMPClauseEnqueue::VisitOMPGrainsizeClause(const OMPGrainsizeClause *C) {
2096 Visitor->AddStmt(C->getGrainsize());
2099 void OMPClauseEnqueue::VisitOMPNumTasksClause(const OMPNumTasksClause *C) {
2100 Visitor->AddStmt(C->getNumTasks());
2103 template<typename T>
2104 void OMPClauseEnqueue::VisitOMPClauseList(T *Node) {
2105 for (const auto *I : Node->varlists()) {
2106 Visitor->AddStmt(I);
2110 void OMPClauseEnqueue::VisitOMPPrivateClause(const OMPPrivateClause *C) {
2111 VisitOMPClauseList(C);
2112 for (const auto *E : C->private_copies()) {
2113 Visitor->AddStmt(E);
2116 void OMPClauseEnqueue::VisitOMPFirstprivateClause(
2117 const OMPFirstprivateClause *C) {
2118 VisitOMPClauseList(C);
2120 void OMPClauseEnqueue::VisitOMPLastprivateClause(
2121 const OMPLastprivateClause *C) {
2122 VisitOMPClauseList(C);
2123 for (auto *E : C->private_copies()) {
2124 Visitor->AddStmt(E);
2126 for (auto *E : C->source_exprs()) {
2127 Visitor->AddStmt(E);
2129 for (auto *E : C->destination_exprs()) {
2130 Visitor->AddStmt(E);
2132 for (auto *E : C->assignment_ops()) {
2133 Visitor->AddStmt(E);
2136 void OMPClauseEnqueue::VisitOMPSharedClause(const OMPSharedClause *C) {
2137 VisitOMPClauseList(C);
2139 void OMPClauseEnqueue::VisitOMPReductionClause(const OMPReductionClause *C) {
2140 VisitOMPClauseList(C);
2141 for (auto *E : C->privates()) {
2142 Visitor->AddStmt(E);
2144 for (auto *E : C->lhs_exprs()) {
2145 Visitor->AddStmt(E);
2147 for (auto *E : C->rhs_exprs()) {
2148 Visitor->AddStmt(E);
2150 for (auto *E : C->reduction_ops()) {
2151 Visitor->AddStmt(E);
2154 void OMPClauseEnqueue::VisitOMPLinearClause(const OMPLinearClause *C) {
2155 VisitOMPClauseList(C);
2156 for (const auto *E : C->privates()) {
2157 Visitor->AddStmt(E);
2159 for (const auto *E : C->inits()) {
2160 Visitor->AddStmt(E);
2162 for (const auto *E : C->updates()) {
2163 Visitor->AddStmt(E);
2165 for (const auto *E : C->finals()) {
2166 Visitor->AddStmt(E);
2168 Visitor->AddStmt(C->getStep());
2169 Visitor->AddStmt(C->getCalcStep());
2171 void OMPClauseEnqueue::VisitOMPAlignedClause(const OMPAlignedClause *C) {
2172 VisitOMPClauseList(C);
2173 Visitor->AddStmt(C->getAlignment());
2175 void OMPClauseEnqueue::VisitOMPCopyinClause(const OMPCopyinClause *C) {
2176 VisitOMPClauseList(C);
2177 for (auto *E : C->source_exprs()) {
2178 Visitor->AddStmt(E);
2180 for (auto *E : C->destination_exprs()) {
2181 Visitor->AddStmt(E);
2183 for (auto *E : C->assignment_ops()) {
2184 Visitor->AddStmt(E);
2188 OMPClauseEnqueue::VisitOMPCopyprivateClause(const OMPCopyprivateClause *C) {
2189 VisitOMPClauseList(C);
2190 for (auto *E : C->source_exprs()) {
2191 Visitor->AddStmt(E);
2193 for (auto *E : C->destination_exprs()) {
2194 Visitor->AddStmt(E);
2196 for (auto *E : C->assignment_ops()) {
2197 Visitor->AddStmt(E);
2200 void OMPClauseEnqueue::VisitOMPFlushClause(const OMPFlushClause *C) {
2201 VisitOMPClauseList(C);
2203 void OMPClauseEnqueue::VisitOMPDependClause(const OMPDependClause *C) {
2204 VisitOMPClauseList(C);
2206 void OMPClauseEnqueue::VisitOMPMapClause(const OMPMapClause *C) {
2207 VisitOMPClauseList(C);
2211 void EnqueueVisitor::EnqueueChildren(const OMPClause *S) {
2212 unsigned size = WL.size();
2213 OMPClauseEnqueue Visitor(this);
2215 if (size == WL.size())
2217 // Now reverse the entries we just added. This will match the DFS
2218 // ordering performed by the worklist.
2219 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2222 void EnqueueVisitor::VisitAddrLabelExpr(const AddrLabelExpr *E) {
2223 WL.push_back(LabelRefVisit(E->getLabel(), E->getLabelLoc(), Parent));
2225 void EnqueueVisitor::VisitBlockExpr(const BlockExpr *B) {
2226 AddDecl(B->getBlockDecl());
2228 void EnqueueVisitor::VisitCompoundLiteralExpr(const CompoundLiteralExpr *E) {
2230 AddTypeLoc(E->getTypeSourceInfo());
2232 void EnqueueVisitor::VisitCompoundStmt(const CompoundStmt *S) {
2233 for (auto &I : llvm::reverse(S->body()))
2236 void EnqueueVisitor::
2237 VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
2238 AddStmt(S->getSubStmt());
2239 AddDeclarationNameInfo(S);
2240 if (NestedNameSpecifierLoc QualifierLoc = S->getQualifierLoc())
2241 AddNestedNameSpecifierLoc(QualifierLoc);
2244 void EnqueueVisitor::
2245 VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E) {
2246 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
2247 AddDeclarationNameInfo(E);
2248 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2249 AddNestedNameSpecifierLoc(QualifierLoc);
2250 if (!E->isImplicitAccess())
2251 AddStmt(E->getBase());
2253 void EnqueueVisitor::VisitCXXNewExpr(const CXXNewExpr *E) {
2254 // Enqueue the initializer , if any.
2255 AddStmt(E->getInitializer());
2256 // Enqueue the array size, if any.
2257 AddStmt(E->getArraySize());
2258 // Enqueue the allocated type.
2259 AddTypeLoc(E->getAllocatedTypeSourceInfo());
2260 // Enqueue the placement arguments.
2261 for (unsigned I = E->getNumPlacementArgs(); I > 0; --I)
2262 AddStmt(E->getPlacementArg(I-1));
2264 void EnqueueVisitor::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *CE) {
2265 for (unsigned I = CE->getNumArgs(); I > 1 /* Yes, this is 1 */; --I)
2266 AddStmt(CE->getArg(I-1));
2267 AddStmt(CE->getCallee());
2268 AddStmt(CE->getArg(0));
2270 void EnqueueVisitor::VisitCXXPseudoDestructorExpr(
2271 const CXXPseudoDestructorExpr *E) {
2272 // Visit the name of the type being destroyed.
2273 AddTypeLoc(E->getDestroyedTypeInfo());
2274 // Visit the scope type that looks disturbingly like the nested-name-specifier
2276 AddTypeLoc(E->getScopeTypeInfo());
2277 // Visit the nested-name-specifier.
2278 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2279 AddNestedNameSpecifierLoc(QualifierLoc);
2280 // Visit base expression.
2281 AddStmt(E->getBase());
2283 void EnqueueVisitor::VisitCXXScalarValueInitExpr(
2284 const CXXScalarValueInitExpr *E) {
2285 AddTypeLoc(E->getTypeSourceInfo());
2287 void EnqueueVisitor::VisitCXXTemporaryObjectExpr(
2288 const CXXTemporaryObjectExpr *E) {
2290 AddTypeLoc(E->getTypeSourceInfo());
2292 void EnqueueVisitor::VisitCXXTypeidExpr(const CXXTypeidExpr *E) {
2294 if (E->isTypeOperand())
2295 AddTypeLoc(E->getTypeOperandSourceInfo());
2298 void EnqueueVisitor::VisitCXXUnresolvedConstructExpr(
2299 const CXXUnresolvedConstructExpr *E) {
2301 AddTypeLoc(E->getTypeSourceInfo());
2303 void EnqueueVisitor::VisitCXXUuidofExpr(const CXXUuidofExpr *E) {
2305 if (E->isTypeOperand())
2306 AddTypeLoc(E->getTypeOperandSourceInfo());
2309 void EnqueueVisitor::VisitCXXCatchStmt(const CXXCatchStmt *S) {
2311 AddDecl(S->getExceptionDecl());
2314 void EnqueueVisitor::VisitCXXForRangeStmt(const CXXForRangeStmt *S) {
2315 AddStmt(S->getBody());
2316 AddStmt(S->getRangeInit());
2317 AddDecl(S->getLoopVariable());
2320 void EnqueueVisitor::VisitDeclRefExpr(const DeclRefExpr *DR) {
2321 if (DR->hasExplicitTemplateArgs()) {
2322 AddExplicitTemplateArgs(&DR->getExplicitTemplateArgs());
2324 WL.push_back(DeclRefExprParts(DR, Parent));
2326 void EnqueueVisitor::VisitDependentScopeDeclRefExpr(
2327 const DependentScopeDeclRefExpr *E) {
2328 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
2329 AddDeclarationNameInfo(E);
2330 AddNestedNameSpecifierLoc(E->getQualifierLoc());
2332 void EnqueueVisitor::VisitDeclStmt(const DeclStmt *S) {
2333 unsigned size = WL.size();
2334 bool isFirst = true;
2335 for (const auto *D : S->decls()) {
2336 AddDecl(D, isFirst);
2339 if (size == WL.size())
2341 // Now reverse the entries we just added. This will match the DFS
2342 // ordering performed by the worklist.
2343 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2346 void EnqueueVisitor::VisitDesignatedInitExpr(const DesignatedInitExpr *E) {
2347 AddStmt(E->getInit());
2348 for (DesignatedInitExpr::const_reverse_designators_iterator
2349 D = E->designators_rbegin(), DEnd = E->designators_rend();
2351 if (D->isFieldDesignator()) {
2352 if (FieldDecl *Field = D->getField())
2353 AddMemberRef(Field, D->getFieldLoc());
2356 if (D->isArrayDesignator()) {
2357 AddStmt(E->getArrayIndex(*D));
2360 assert(D->isArrayRangeDesignator() && "Unknown designator kind");
2361 AddStmt(E->getArrayRangeEnd(*D));
2362 AddStmt(E->getArrayRangeStart(*D));
2365 void EnqueueVisitor::VisitExplicitCastExpr(const ExplicitCastExpr *E) {
2367 AddTypeLoc(E->getTypeInfoAsWritten());
2369 void EnqueueVisitor::VisitForStmt(const ForStmt *FS) {
2370 AddStmt(FS->getBody());
2371 AddStmt(FS->getInc());
2372 AddStmt(FS->getCond());
2373 AddDecl(FS->getConditionVariable());
2374 AddStmt(FS->getInit());
2376 void EnqueueVisitor::VisitGotoStmt(const GotoStmt *GS) {
2377 WL.push_back(LabelRefVisit(GS->getLabel(), GS->getLabelLoc(), Parent));
2379 void EnqueueVisitor::VisitIfStmt(const IfStmt *If) {
2380 AddStmt(If->getElse());
2381 AddStmt(If->getThen());
2382 AddStmt(If->getCond());
2383 AddDecl(If->getConditionVariable());
2385 void EnqueueVisitor::VisitInitListExpr(const InitListExpr *IE) {
2386 // We care about the syntactic form of the initializer list, only.
2387 if (InitListExpr *Syntactic = IE->getSyntacticForm())
2389 EnqueueChildren(IE);
2391 void EnqueueVisitor::VisitMemberExpr(const MemberExpr *M) {
2392 WL.push_back(MemberExprParts(M, Parent));
2394 // If the base of the member access expression is an implicit 'this', don't
2396 // FIXME: If we ever want to show these implicit accesses, this will be
2397 // unfortunate. However, clang_getCursor() relies on this behavior.
2398 if (M->isImplicitAccess())
2401 // Ignore base anonymous struct/union fields, otherwise they will shadow the
2402 // real field that that we are interested in.
2403 if (auto *SubME = dyn_cast<MemberExpr>(M->getBase())) {
2404 if (auto *FD = dyn_cast_or_null<FieldDecl>(SubME->getMemberDecl())) {
2405 if (FD->isAnonymousStructOrUnion()) {
2406 AddStmt(SubME->getBase());
2412 AddStmt(M->getBase());
2414 void EnqueueVisitor::VisitObjCEncodeExpr(const ObjCEncodeExpr *E) {
2415 AddTypeLoc(E->getEncodedTypeSourceInfo());
2417 void EnqueueVisitor::VisitObjCMessageExpr(const ObjCMessageExpr *M) {
2419 AddTypeLoc(M->getClassReceiverTypeInfo());
2421 void EnqueueVisitor::VisitOffsetOfExpr(const OffsetOfExpr *E) {
2422 // Visit the components of the offsetof expression.
2423 for (unsigned N = E->getNumComponents(), I = N; I > 0; --I) {
2424 typedef OffsetOfExpr::OffsetOfNode OffsetOfNode;
2425 const OffsetOfNode &Node = E->getComponent(I-1);
2426 switch (Node.getKind()) {
2427 case OffsetOfNode::Array:
2428 AddStmt(E->getIndexExpr(Node.getArrayExprIndex()));
2430 case OffsetOfNode::Field:
2431 AddMemberRef(Node.getField(), Node.getSourceRange().getEnd());
2433 case OffsetOfNode::Identifier:
2434 case OffsetOfNode::Base:
2438 // Visit the type into which we're computing the offset.
2439 AddTypeLoc(E->getTypeSourceInfo());
2441 void EnqueueVisitor::VisitOverloadExpr(const OverloadExpr *E) {
2442 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
2443 WL.push_back(OverloadExprParts(E, Parent));
2445 void EnqueueVisitor::VisitUnaryExprOrTypeTraitExpr(
2446 const UnaryExprOrTypeTraitExpr *E) {
2448 if (E->isArgumentType())
2449 AddTypeLoc(E->getArgumentTypeInfo());
2451 void EnqueueVisitor::VisitStmt(const Stmt *S) {
2454 void EnqueueVisitor::VisitSwitchStmt(const SwitchStmt *S) {
2455 AddStmt(S->getBody());
2456 AddStmt(S->getCond());
2457 AddDecl(S->getConditionVariable());
2460 void EnqueueVisitor::VisitWhileStmt(const WhileStmt *W) {
2461 AddStmt(W->getBody());
2462 AddStmt(W->getCond());
2463 AddDecl(W->getConditionVariable());
2466 void EnqueueVisitor::VisitTypeTraitExpr(const TypeTraitExpr *E) {
2467 for (unsigned I = E->getNumArgs(); I > 0; --I)
2468 AddTypeLoc(E->getArg(I-1));
2471 void EnqueueVisitor::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E) {
2472 AddTypeLoc(E->getQueriedTypeSourceInfo());
2475 void EnqueueVisitor::VisitExpressionTraitExpr(const ExpressionTraitExpr *E) {
2479 void EnqueueVisitor::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U) {
2480 VisitOverloadExpr(U);
2481 if (!U->isImplicitAccess())
2482 AddStmt(U->getBase());
2484 void EnqueueVisitor::VisitVAArgExpr(const VAArgExpr *E) {
2485 AddStmt(E->getSubExpr());
2486 AddTypeLoc(E->getWrittenTypeInfo());
2488 void EnqueueVisitor::VisitSizeOfPackExpr(const SizeOfPackExpr *E) {
2489 WL.push_back(SizeOfPackExprParts(E, Parent));
2491 void EnqueueVisitor::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
2492 // If the opaque value has a source expression, just transparently
2493 // visit that. This is useful for (e.g.) pseudo-object expressions.
2494 if (Expr *SourceExpr = E->getSourceExpr())
2495 return Visit(SourceExpr);
2497 void EnqueueVisitor::VisitLambdaExpr(const LambdaExpr *E) {
2498 AddStmt(E->getBody());
2499 WL.push_back(LambdaExprParts(E, Parent));
2501 void EnqueueVisitor::VisitPseudoObjectExpr(const PseudoObjectExpr *E) {
2502 // Treat the expression like its syntactic form.
2503 Visit(E->getSyntacticForm());
2506 void EnqueueVisitor::VisitOMPExecutableDirective(
2507 const OMPExecutableDirective *D) {
2509 for (ArrayRef<OMPClause *>::iterator I = D->clauses().begin(),
2510 E = D->clauses().end();
2512 EnqueueChildren(*I);
2515 void EnqueueVisitor::VisitOMPLoopDirective(const OMPLoopDirective *D) {
2516 VisitOMPExecutableDirective(D);
2519 void EnqueueVisitor::VisitOMPParallelDirective(const OMPParallelDirective *D) {
2520 VisitOMPExecutableDirective(D);
2523 void EnqueueVisitor::VisitOMPSimdDirective(const OMPSimdDirective *D) {
2524 VisitOMPLoopDirective(D);
2527 void EnqueueVisitor::VisitOMPForDirective(const OMPForDirective *D) {
2528 VisitOMPLoopDirective(D);
2531 void EnqueueVisitor::VisitOMPForSimdDirective(const OMPForSimdDirective *D) {
2532 VisitOMPLoopDirective(D);
2535 void EnqueueVisitor::VisitOMPSectionsDirective(const OMPSectionsDirective *D) {
2536 VisitOMPExecutableDirective(D);
2539 void EnqueueVisitor::VisitOMPSectionDirective(const OMPSectionDirective *D) {
2540 VisitOMPExecutableDirective(D);
2543 void EnqueueVisitor::VisitOMPSingleDirective(const OMPSingleDirective *D) {
2544 VisitOMPExecutableDirective(D);
2547 void EnqueueVisitor::VisitOMPMasterDirective(const OMPMasterDirective *D) {
2548 VisitOMPExecutableDirective(D);
2551 void EnqueueVisitor::VisitOMPCriticalDirective(const OMPCriticalDirective *D) {
2552 VisitOMPExecutableDirective(D);
2553 AddDeclarationNameInfo(D);
2557 EnqueueVisitor::VisitOMPParallelForDirective(const OMPParallelForDirective *D) {
2558 VisitOMPLoopDirective(D);
2561 void EnqueueVisitor::VisitOMPParallelForSimdDirective(
2562 const OMPParallelForSimdDirective *D) {
2563 VisitOMPLoopDirective(D);
2566 void EnqueueVisitor::VisitOMPParallelSectionsDirective(
2567 const OMPParallelSectionsDirective *D) {
2568 VisitOMPExecutableDirective(D);
2571 void EnqueueVisitor::VisitOMPTaskDirective(const OMPTaskDirective *D) {
2572 VisitOMPExecutableDirective(D);
2576 EnqueueVisitor::VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D) {
2577 VisitOMPExecutableDirective(D);
2580 void EnqueueVisitor::VisitOMPBarrierDirective(const OMPBarrierDirective *D) {
2581 VisitOMPExecutableDirective(D);
2584 void EnqueueVisitor::VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D) {
2585 VisitOMPExecutableDirective(D);
2588 void EnqueueVisitor::VisitOMPTaskgroupDirective(
2589 const OMPTaskgroupDirective *D) {
2590 VisitOMPExecutableDirective(D);
2593 void EnqueueVisitor::VisitOMPFlushDirective(const OMPFlushDirective *D) {
2594 VisitOMPExecutableDirective(D);
2597 void EnqueueVisitor::VisitOMPOrderedDirective(const OMPOrderedDirective *D) {
2598 VisitOMPExecutableDirective(D);
2601 void EnqueueVisitor::VisitOMPAtomicDirective(const OMPAtomicDirective *D) {
2602 VisitOMPExecutableDirective(D);
2605 void EnqueueVisitor::VisitOMPTargetDirective(const OMPTargetDirective *D) {
2606 VisitOMPExecutableDirective(D);
2609 void EnqueueVisitor::VisitOMPTargetDataDirective(const
2610 OMPTargetDataDirective *D) {
2611 VisitOMPExecutableDirective(D);
2614 void EnqueueVisitor::VisitOMPTeamsDirective(const OMPTeamsDirective *D) {
2615 VisitOMPExecutableDirective(D);
2618 void EnqueueVisitor::VisitOMPCancellationPointDirective(
2619 const OMPCancellationPointDirective *D) {
2620 VisitOMPExecutableDirective(D);
2623 void EnqueueVisitor::VisitOMPCancelDirective(const OMPCancelDirective *D) {
2624 VisitOMPExecutableDirective(D);
2627 void EnqueueVisitor::VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *D) {
2628 VisitOMPLoopDirective(D);
2631 void EnqueueVisitor::VisitOMPTaskLoopSimdDirective(
2632 const OMPTaskLoopSimdDirective *D) {
2633 VisitOMPLoopDirective(D);
2636 void EnqueueVisitor::VisitOMPDistributeDirective(
2637 const OMPDistributeDirective *D) {
2638 VisitOMPLoopDirective(D);
2641 void CursorVisitor::EnqueueWorkList(VisitorWorkList &WL, const Stmt *S) {
2642 EnqueueVisitor(WL, MakeCXCursor(S, StmtParent, TU,RegionOfInterest)).Visit(S);
2645 bool CursorVisitor::IsInRegionOfInterest(CXCursor C) {
2646 if (RegionOfInterest.isValid()) {
2647 SourceRange Range = getRawCursorExtent(C);
2648 if (Range.isInvalid() || CompareRegionOfInterest(Range))
2654 bool CursorVisitor::RunVisitorWorkList(VisitorWorkList &WL) {
2655 while (!WL.empty()) {
2656 // Dequeue the worklist item.
2657 VisitorJob LI = WL.pop_back_val();
2659 // Set the Parent field, then back to its old value once we're done.
2660 SetParentRAII SetParent(Parent, StmtParent, LI.getParent());
2662 switch (LI.getKind()) {
2663 case VisitorJob::DeclVisitKind: {
2664 const Decl *D = cast<DeclVisit>(&LI)->get();
2668 // For now, perform default visitation for Decls.
2669 if (Visit(MakeCXCursor(D, TU, RegionOfInterest,
2670 cast<DeclVisit>(&LI)->isFirst())))
2675 case VisitorJob::ExplicitTemplateArgsVisitKind: {
2676 const ASTTemplateArgumentListInfo *ArgList =
2677 cast<ExplicitTemplateArgsVisit>(&LI)->get();
2678 for (const TemplateArgumentLoc *Arg = ArgList->getTemplateArgs(),
2679 *ArgEnd = Arg + ArgList->NumTemplateArgs;
2680 Arg != ArgEnd; ++Arg) {
2681 if (VisitTemplateArgumentLoc(*Arg))
2686 case VisitorJob::TypeLocVisitKind: {
2687 // Perform default visitation for TypeLocs.
2688 if (Visit(cast<TypeLocVisit>(&LI)->get()))
2692 case VisitorJob::LabelRefVisitKind: {
2693 const LabelDecl *LS = cast<LabelRefVisit>(&LI)->get();
2694 if (LabelStmt *stmt = LS->getStmt()) {
2695 if (Visit(MakeCursorLabelRef(stmt, cast<LabelRefVisit>(&LI)->getLoc(),
2703 case VisitorJob::NestedNameSpecifierLocVisitKind: {
2704 NestedNameSpecifierLocVisit *V = cast<NestedNameSpecifierLocVisit>(&LI);
2705 if (VisitNestedNameSpecifierLoc(V->get()))
2710 case VisitorJob::DeclarationNameInfoVisitKind: {
2711 if (VisitDeclarationNameInfo(cast<DeclarationNameInfoVisit>(&LI)
2716 case VisitorJob::MemberRefVisitKind: {
2717 MemberRefVisit *V = cast<MemberRefVisit>(&LI);
2718 if (Visit(MakeCursorMemberRef(V->get(), V->getLoc(), TU)))
2722 case VisitorJob::StmtVisitKind: {
2723 const Stmt *S = cast<StmtVisit>(&LI)->get();
2727 // Update the current cursor.
2728 CXCursor Cursor = MakeCXCursor(S, StmtParent, TU, RegionOfInterest);
2729 if (!IsInRegionOfInterest(Cursor))
2731 switch (Visitor(Cursor, Parent, ClientData)) {
2732 case CXChildVisit_Break: return true;
2733 case CXChildVisit_Continue: break;
2734 case CXChildVisit_Recurse:
2735 if (PostChildrenVisitor)
2736 WL.push_back(PostChildrenVisit(nullptr, Cursor));
2737 EnqueueWorkList(WL, S);
2742 case VisitorJob::MemberExprPartsKind: {
2743 // Handle the other pieces in the MemberExpr besides the base.
2744 const MemberExpr *M = cast<MemberExprParts>(&LI)->get();
2746 // Visit the nested-name-specifier
2747 if (NestedNameSpecifierLoc QualifierLoc = M->getQualifierLoc())
2748 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2751 // Visit the declaration name.
2752 if (VisitDeclarationNameInfo(M->getMemberNameInfo()))
2755 // Visit the explicitly-specified template arguments, if any.
2756 if (M->hasExplicitTemplateArgs()) {
2757 for (const TemplateArgumentLoc *Arg = M->getTemplateArgs(),
2758 *ArgEnd = Arg + M->getNumTemplateArgs();
2759 Arg != ArgEnd; ++Arg) {
2760 if (VisitTemplateArgumentLoc(*Arg))
2766 case VisitorJob::DeclRefExprPartsKind: {
2767 const DeclRefExpr *DR = cast<DeclRefExprParts>(&LI)->get();
2768 // Visit nested-name-specifier, if present.
2769 if (NestedNameSpecifierLoc QualifierLoc = DR->getQualifierLoc())
2770 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2772 // Visit declaration name.
2773 if (VisitDeclarationNameInfo(DR->getNameInfo()))
2777 case VisitorJob::OverloadExprPartsKind: {
2778 const OverloadExpr *O = cast<OverloadExprParts>(&LI)->get();
2779 // Visit the nested-name-specifier.
2780 if (NestedNameSpecifierLoc QualifierLoc = O->getQualifierLoc())
2781 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2783 // Visit the declaration name.
2784 if (VisitDeclarationNameInfo(O->getNameInfo()))
2786 // Visit the overloaded declaration reference.
2787 if (Visit(MakeCursorOverloadedDeclRef(O, TU)))
2791 case VisitorJob::SizeOfPackExprPartsKind: {
2792 const SizeOfPackExpr *E = cast<SizeOfPackExprParts>(&LI)->get();
2793 NamedDecl *Pack = E->getPack();
2794 if (isa<TemplateTypeParmDecl>(Pack)) {
2795 if (Visit(MakeCursorTypeRef(cast<TemplateTypeParmDecl>(Pack),
2796 E->getPackLoc(), TU)))
2802 if (isa<TemplateTemplateParmDecl>(Pack)) {
2803 if (Visit(MakeCursorTemplateRef(cast<TemplateTemplateParmDecl>(Pack),
2804 E->getPackLoc(), TU)))
2810 // Non-type template parameter packs and function parameter packs are
2811 // treated like DeclRefExpr cursors.
2815 case VisitorJob::LambdaExprPartsKind: {
2817 const LambdaExpr *E = cast<LambdaExprParts>(&LI)->get();
2818 for (LambdaExpr::capture_iterator C = E->explicit_capture_begin(),
2819 CEnd = E->explicit_capture_end();
2821 // FIXME: Lambda init-captures.
2822 if (!C->capturesVariable())
2825 if (Visit(MakeCursorVariableRef(C->getCapturedVar(),
2831 // Visit parameters and return type, if present.
2832 if (E->hasExplicitParameters() || E->hasExplicitResultType()) {
2833 TypeLoc TL = E->getCallOperator()->getTypeSourceInfo()->getTypeLoc();
2834 if (E->hasExplicitParameters() && E->hasExplicitResultType()) {
2835 // Visit the whole type.
2838 } else if (FunctionProtoTypeLoc Proto =
2839 TL.getAs<FunctionProtoTypeLoc>()) {
2840 if (E->hasExplicitParameters()) {
2841 // Visit parameters.
2842 for (unsigned I = 0, N = Proto.getNumParams(); I != N; ++I)
2843 if (Visit(MakeCXCursor(Proto.getParam(I), TU)))
2846 // Visit result type.
2847 if (Visit(Proto.getReturnLoc()))
2855 case VisitorJob::PostChildrenVisitKind:
2856 if (PostChildrenVisitor(Parent, ClientData))
2864 bool CursorVisitor::Visit(const Stmt *S) {
2865 VisitorWorkList *WL = nullptr;
2866 if (!WorkListFreeList.empty()) {
2867 WL = WorkListFreeList.back();
2869 WorkListFreeList.pop_back();
2872 WL = new VisitorWorkList();
2873 WorkListCache.push_back(WL);
2875 EnqueueWorkList(*WL, S);
2876 bool result = RunVisitorWorkList(*WL);
2877 WorkListFreeList.push_back(WL);
2882 typedef SmallVector<SourceRange, 4> RefNamePieces;
2884 buildPieces(unsigned NameFlags, bool IsMemberRefExpr,
2885 const DeclarationNameInfo &NI, SourceRange QLoc,
2886 const ASTTemplateArgumentListInfo *TemplateArgs = nullptr) {
2887 const bool WantQualifier = NameFlags & CXNameRange_WantQualifier;
2888 const bool WantTemplateArgs = NameFlags & CXNameRange_WantTemplateArgs;
2889 const bool WantSinglePiece = NameFlags & CXNameRange_WantSinglePiece;
2891 const DeclarationName::NameKind Kind = NI.getName().getNameKind();
2893 RefNamePieces Pieces;
2895 if (WantQualifier && QLoc.isValid())
2896 Pieces.push_back(QLoc);
2898 if (Kind != DeclarationName::CXXOperatorName || IsMemberRefExpr)
2899 Pieces.push_back(NI.getLoc());
2901 if (WantTemplateArgs && TemplateArgs)
2902 Pieces.push_back(SourceRange(TemplateArgs->LAngleLoc,
2903 TemplateArgs->RAngleLoc));
2905 if (Kind == DeclarationName::CXXOperatorName) {
2906 Pieces.push_back(SourceLocation::getFromRawEncoding(
2907 NI.getInfo().CXXOperatorName.BeginOpNameLoc));
2908 Pieces.push_back(SourceLocation::getFromRawEncoding(
2909 NI.getInfo().CXXOperatorName.EndOpNameLoc));
2912 if (WantSinglePiece) {
2913 SourceRange R(Pieces.front().getBegin(), Pieces.back().getEnd());
2915 Pieces.push_back(R);
2922 //===----------------------------------------------------------------------===//
2924 //===----------------------------------------------------------------------===//
2926 static void fatal_error_handler(void *user_data, const std::string& reason,
2927 bool gen_crash_diag) {
2928 // Write the result out to stderr avoiding errs() because raw_ostreams can
2929 // call report_fatal_error.
2930 fprintf(stderr, "LIBCLANG FATAL ERROR: %s\n", reason.c_str());
2935 struct RegisterFatalErrorHandler {
2936 RegisterFatalErrorHandler() {
2937 llvm::install_fatal_error_handler(fatal_error_handler, nullptr);
2942 static llvm::ManagedStatic<RegisterFatalErrorHandler> RegisterFatalErrorHandlerOnce;
2945 CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
2946 int displayDiagnostics) {
2947 // We use crash recovery to make some of our APIs more reliable, implicitly
2949 if (!getenv("LIBCLANG_DISABLE_CRASH_RECOVERY"))
2950 llvm::CrashRecoveryContext::Enable();
2952 // Look through the managed static to trigger construction of the managed
2953 // static which registers our fatal error handler. This ensures it is only
2955 (void)*RegisterFatalErrorHandlerOnce;
2957 // Initialize targets for clang module support.
2958 llvm::InitializeAllTargets();
2959 llvm::InitializeAllTargetMCs();
2960 llvm::InitializeAllAsmPrinters();
2961 llvm::InitializeAllAsmParsers();
2963 CIndexer *CIdxr = new CIndexer();
2965 if (excludeDeclarationsFromPCH)
2966 CIdxr->setOnlyLocalDecls();
2967 if (displayDiagnostics)
2968 CIdxr->setDisplayDiagnostics();
2970 if (getenv("LIBCLANG_BGPRIO_INDEX"))
2971 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
2972 CXGlobalOpt_ThreadBackgroundPriorityForIndexing);
2973 if (getenv("LIBCLANG_BGPRIO_EDIT"))
2974 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
2975 CXGlobalOpt_ThreadBackgroundPriorityForEditing);
2980 void clang_disposeIndex(CXIndex CIdx) {
2982 delete static_cast<CIndexer *>(CIdx);
2985 void clang_CXIndex_setGlobalOptions(CXIndex CIdx, unsigned options) {
2987 static_cast<CIndexer *>(CIdx)->setCXGlobalOptFlags(options);
2990 unsigned clang_CXIndex_getGlobalOptions(CXIndex CIdx) {
2992 return static_cast<CIndexer *>(CIdx)->getCXGlobalOptFlags();
2996 void clang_toggleCrashRecovery(unsigned isEnabled) {
2998 llvm::CrashRecoveryContext::Enable();
3000 llvm::CrashRecoveryContext::Disable();
3003 CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
3004 const char *ast_filename) {
3005 CXTranslationUnit TU;
3006 enum CXErrorCode Result =
3007 clang_createTranslationUnit2(CIdx, ast_filename, &TU);
3009 assert((TU && Result == CXError_Success) ||
3010 (!TU && Result != CXError_Success));
3014 enum CXErrorCode clang_createTranslationUnit2(CXIndex CIdx,
3015 const char *ast_filename,
3016 CXTranslationUnit *out_TU) {
3020 if (!CIdx || !ast_filename || !out_TU)
3021 return CXError_InvalidArguments;
3024 *Log << ast_filename;
3027 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3028 FileSystemOptions FileSystemOpts;
3030 IntrusiveRefCntPtr<DiagnosticsEngine> Diags =
3031 CompilerInstance::createDiagnostics(new DiagnosticOptions());
3032 std::unique_ptr<ASTUnit> AU = ASTUnit::LoadFromASTFile(
3033 ast_filename, CXXIdx->getPCHContainerOperations()->getRawReader(), Diags,
3034 FileSystemOpts, /*UseDebugInfo=*/false,
3035 CXXIdx->getOnlyLocalDecls(), None,
3036 /*CaptureDiagnostics=*/true,
3037 /*AllowPCHWithCompilerErrors=*/true,
3038 /*UserFilesAreVolatile=*/true);
3039 *out_TU = MakeCXTranslationUnit(CXXIdx, AU.release());
3040 return *out_TU ? CXError_Success : CXError_Failure;
3043 unsigned clang_defaultEditingTranslationUnitOptions() {
3044 return CXTranslationUnit_PrecompiledPreamble |
3045 CXTranslationUnit_CacheCompletionResults;
3049 clang_createTranslationUnitFromSourceFile(CXIndex CIdx,
3050 const char *source_filename,
3051 int num_command_line_args,
3052 const char * const *command_line_args,
3053 unsigned num_unsaved_files,
3054 struct CXUnsavedFile *unsaved_files) {
3055 unsigned Options = CXTranslationUnit_DetailedPreprocessingRecord;
3056 return clang_parseTranslationUnit(CIdx, source_filename,
3057 command_line_args, num_command_line_args,
3058 unsaved_files, num_unsaved_files,
3063 clang_parseTranslationUnit_Impl(CXIndex CIdx, const char *source_filename,
3064 const char *const *command_line_args,
3065 int num_command_line_args,
3066 ArrayRef<CXUnsavedFile> unsaved_files,
3067 unsigned options, CXTranslationUnit *out_TU) {
3068 // Set up the initial return values.
3073 if (!CIdx || !out_TU)
3074 return CXError_InvalidArguments;
3076 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3078 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3079 setThreadBackgroundPriority();
3081 bool PrecompilePreamble = options & CXTranslationUnit_PrecompiledPreamble;
3082 // FIXME: Add a flag for modules.
3083 TranslationUnitKind TUKind
3084 = (options & CXTranslationUnit_Incomplete)? TU_Prefix : TU_Complete;
3085 bool CacheCodeCompletionResults
3086 = options & CXTranslationUnit_CacheCompletionResults;
3087 bool IncludeBriefCommentsInCodeCompletion
3088 = options & CXTranslationUnit_IncludeBriefCommentsInCodeCompletion;
3089 bool SkipFunctionBodies = options & CXTranslationUnit_SkipFunctionBodies;
3090 bool ForSerialization = options & CXTranslationUnit_ForSerialization;
3092 // Configure the diagnostics.
3093 IntrusiveRefCntPtr<DiagnosticsEngine>
3094 Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions));
3096 // Recover resources if we crash before exiting this function.
3097 llvm::CrashRecoveryContextCleanupRegistrar<DiagnosticsEngine,
3098 llvm::CrashRecoveryContextReleaseRefCleanup<DiagnosticsEngine> >
3099 DiagCleanup(Diags.get());
3101 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3102 new std::vector<ASTUnit::RemappedFile>());
3104 // Recover resources if we crash before exiting this function.
3105 llvm::CrashRecoveryContextCleanupRegistrar<
3106 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3108 for (auto &UF : unsaved_files) {
3109 std::unique_ptr<llvm::MemoryBuffer> MB =
3110 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3111 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3114 std::unique_ptr<std::vector<const char *>> Args(
3115 new std::vector<const char *>());
3117 // Recover resources if we crash before exiting this method.
3118 llvm::CrashRecoveryContextCleanupRegistrar<std::vector<const char*> >
3119 ArgsCleanup(Args.get());
3121 // Since the Clang C library is primarily used by batch tools dealing with
3122 // (often very broken) source code, where spell-checking can have a
3123 // significant negative impact on performance (particularly when
3124 // precompiled headers are involved), we disable it by default.
3125 // Only do this if we haven't found a spell-checking-related argument.
3126 bool FoundSpellCheckingArgument = false;
3127 for (int I = 0; I != num_command_line_args; ++I) {
3128 if (strcmp(command_line_args[I], "-fno-spell-checking") == 0 ||
3129 strcmp(command_line_args[I], "-fspell-checking") == 0) {
3130 FoundSpellCheckingArgument = true;
3134 Args->insert(Args->end(), command_line_args,
3135 command_line_args + num_command_line_args);
3137 if (!FoundSpellCheckingArgument)
3138 Args->insert(Args->begin() + 1, "-fno-spell-checking");
3140 // The 'source_filename' argument is optional. If the caller does not
3141 // specify it then it is assumed that the source file is specified
3142 // in the actual argument list.
3143 // Put the source file after command_line_args otherwise if '-x' flag is
3144 // present it will be unused.
3145 if (source_filename)
3146 Args->push_back(source_filename);
3148 // Do we need the detailed preprocessing record?
3149 if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
3150 Args->push_back("-Xclang");
3151 Args->push_back("-detailed-preprocessing-record");
3154 unsigned NumErrors = Diags->getClient()->getNumErrors();
3155 std::unique_ptr<ASTUnit> ErrUnit;
3156 std::unique_ptr<ASTUnit> Unit(ASTUnit::LoadFromCommandLine(
3157 Args->data(), Args->data() + Args->size(),
3158 CXXIdx->getPCHContainerOperations(), Diags,
3159 CXXIdx->getClangResourcesPath(), CXXIdx->getOnlyLocalDecls(),
3160 /*CaptureDiagnostics=*/true, *RemappedFiles.get(),
3161 /*RemappedFilesKeepOriginalName=*/true, PrecompilePreamble, TUKind,
3162 CacheCodeCompletionResults, IncludeBriefCommentsInCodeCompletion,
3163 /*AllowPCHWithCompilerErrors=*/true, SkipFunctionBodies,
3164 /*UserFilesAreVolatile=*/true, ForSerialization,
3165 CXXIdx->getPCHContainerOperations()->getRawReader().getFormat(),
3168 // Early failures in LoadFromCommandLine may return with ErrUnit unset.
3169 if (!Unit && !ErrUnit)
3170 return CXError_ASTReadError;
3172 if (NumErrors != Diags->getClient()->getNumErrors()) {
3173 // Make sure to check that 'Unit' is non-NULL.
3174 if (CXXIdx->getDisplayDiagnostics())
3175 printDiagsToStderr(Unit ? Unit.get() : ErrUnit.get());
3178 if (isASTReadError(Unit ? Unit.get() : ErrUnit.get()))
3179 return CXError_ASTReadError;
3181 *out_TU = MakeCXTranslationUnit(CXXIdx, Unit.release());
3182 return *out_TU ? CXError_Success : CXError_Failure;
3186 clang_parseTranslationUnit(CXIndex CIdx,
3187 const char *source_filename,
3188 const char *const *command_line_args,
3189 int num_command_line_args,
3190 struct CXUnsavedFile *unsaved_files,
3191 unsigned num_unsaved_files,
3193 CXTranslationUnit TU;
3194 enum CXErrorCode Result = clang_parseTranslationUnit2(
3195 CIdx, source_filename, command_line_args, num_command_line_args,
3196 unsaved_files, num_unsaved_files, options, &TU);
3198 assert((TU && Result == CXError_Success) ||
3199 (!TU && Result != CXError_Success));
3203 enum CXErrorCode clang_parseTranslationUnit2(
3204 CXIndex CIdx, const char *source_filename,
3205 const char *const *command_line_args, int num_command_line_args,
3206 struct CXUnsavedFile *unsaved_files, unsigned num_unsaved_files,
3207 unsigned options, CXTranslationUnit *out_TU) {
3208 SmallVector<const char *, 4> Args;
3209 Args.push_back("clang");
3210 Args.append(command_line_args, command_line_args + num_command_line_args);
3211 return clang_parseTranslationUnit2FullArgv(
3212 CIdx, source_filename, Args.data(), Args.size(), unsaved_files,
3213 num_unsaved_files, options, out_TU);
3216 enum CXErrorCode clang_parseTranslationUnit2FullArgv(
3217 CXIndex CIdx, const char *source_filename,
3218 const char *const *command_line_args, int num_command_line_args,
3219 struct CXUnsavedFile *unsaved_files, unsigned num_unsaved_files,
3220 unsigned options, CXTranslationUnit *out_TU) {
3222 *Log << source_filename << ": ";
3223 for (int i = 0; i != num_command_line_args; ++i)
3224 *Log << command_line_args[i] << " ";
3227 if (num_unsaved_files && !unsaved_files)
3228 return CXError_InvalidArguments;
3230 CXErrorCode result = CXError_Failure;
3231 auto ParseTranslationUnitImpl = [=, &result] {
3232 result = clang_parseTranslationUnit_Impl(
3233 CIdx, source_filename, command_line_args, num_command_line_args,
3234 llvm::makeArrayRef(unsaved_files, num_unsaved_files), options, out_TU);
3236 llvm::CrashRecoveryContext CRC;
3238 if (!RunSafely(CRC, ParseTranslationUnitImpl)) {
3239 fprintf(stderr, "libclang: crash detected during parsing: {\n");
3240 fprintf(stderr, " 'source_filename' : '%s'\n", source_filename);
3241 fprintf(stderr, " 'command_line_args' : [");
3242 for (int i = 0; i != num_command_line_args; ++i) {
3244 fprintf(stderr, ", ");
3245 fprintf(stderr, "'%s'", command_line_args[i]);
3247 fprintf(stderr, "],\n");
3248 fprintf(stderr, " 'unsaved_files' : [");
3249 for (unsigned i = 0; i != num_unsaved_files; ++i) {
3251 fprintf(stderr, ", ");
3252 fprintf(stderr, "('%s', '...', %ld)", unsaved_files[i].Filename,
3253 unsaved_files[i].Length);
3255 fprintf(stderr, "],\n");
3256 fprintf(stderr, " 'options' : %d,\n", options);
3257 fprintf(stderr, "}\n");
3259 return CXError_Crashed;
3260 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3261 if (CXTranslationUnit *TU = out_TU)
3262 PrintLibclangResourceUsage(*TU);
3268 unsigned clang_defaultSaveOptions(CXTranslationUnit TU) {
3269 return CXSaveTranslationUnit_None;
3272 static CXSaveError clang_saveTranslationUnit_Impl(CXTranslationUnit TU,
3273 const char *FileName,
3275 CIndexer *CXXIdx = TU->CIdx;
3276 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3277 setThreadBackgroundPriority();
3279 bool hadError = cxtu::getASTUnit(TU)->Save(FileName);
3280 return hadError ? CXSaveError_Unknown : CXSaveError_None;
3283 int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
3286 *Log << TU << ' ' << FileName;
3289 if (isNotUsableTU(TU)) {
3291 return CXSaveError_InvalidTU;
3294 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3295 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3296 if (!CXXUnit->hasSema())
3297 return CXSaveError_InvalidTU;
3300 auto SaveTranslationUnitImpl = [=, &result]() {
3301 result = clang_saveTranslationUnit_Impl(TU, FileName, options);
3304 if (!CXXUnit->getDiagnostics().hasUnrecoverableErrorOccurred() ||
3305 getenv("LIBCLANG_NOTHREADS")) {
3306 SaveTranslationUnitImpl();
3308 if (getenv("LIBCLANG_RESOURCE_USAGE"))
3309 PrintLibclangResourceUsage(TU);
3314 // We have an AST that has invalid nodes due to compiler errors.
3315 // Use a crash recovery thread for protection.
3317 llvm::CrashRecoveryContext CRC;
3319 if (!RunSafely(CRC, SaveTranslationUnitImpl)) {
3320 fprintf(stderr, "libclang: crash detected during AST saving: {\n");
3321 fprintf(stderr, " 'filename' : '%s'\n", FileName);
3322 fprintf(stderr, " 'options' : %d,\n", options);
3323 fprintf(stderr, "}\n");
3325 return CXSaveError_Unknown;
3327 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3328 PrintLibclangResourceUsage(TU);
3334 void clang_disposeTranslationUnit(CXTranslationUnit CTUnit) {
3336 // If the translation unit has been marked as unsafe to free, just discard
3338 ASTUnit *Unit = cxtu::getASTUnit(CTUnit);
3339 if (Unit && Unit->isUnsafeToFree())
3342 delete cxtu::getASTUnit(CTUnit);
3343 delete CTUnit->StringPool;
3344 delete static_cast<CXDiagnosticSetImpl *>(CTUnit->Diagnostics);
3345 disposeOverridenCXCursorsPool(CTUnit->OverridenCursorsPool);
3346 delete CTUnit->CommentToXML;
3351 unsigned clang_defaultReparseOptions(CXTranslationUnit TU) {
3352 return CXReparse_None;
3356 clang_reparseTranslationUnit_Impl(CXTranslationUnit TU,
3357 ArrayRef<CXUnsavedFile> unsaved_files,
3360 if (isNotUsableTU(TU)) {
3362 return CXError_InvalidArguments;
3365 // Reset the associated diagnostics.
3366 delete static_cast<CXDiagnosticSetImpl*>(TU->Diagnostics);
3367 TU->Diagnostics = nullptr;
3369 CIndexer *CXXIdx = TU->CIdx;
3370 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
3371 setThreadBackgroundPriority();
3373 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3374 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3376 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3377 new std::vector<ASTUnit::RemappedFile>());
3379 // Recover resources if we crash before exiting this function.
3380 llvm::CrashRecoveryContextCleanupRegistrar<
3381 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3383 for (auto &UF : unsaved_files) {
3384 std::unique_ptr<llvm::MemoryBuffer> MB =
3385 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3386 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3389 if (!CXXUnit->Reparse(CXXIdx->getPCHContainerOperations(),
3390 *RemappedFiles.get()))
3391 return CXError_Success;
3392 if (isASTReadError(CXXUnit))
3393 return CXError_ASTReadError;
3394 return CXError_Failure;
3397 int clang_reparseTranslationUnit(CXTranslationUnit TU,
3398 unsigned num_unsaved_files,
3399 struct CXUnsavedFile *unsaved_files,
3405 if (num_unsaved_files && !unsaved_files)
3406 return CXError_InvalidArguments;
3409 auto ReparseTranslationUnitImpl = [=, &result]() {
3410 result = clang_reparseTranslationUnit_Impl(
3411 TU, llvm::makeArrayRef(unsaved_files, num_unsaved_files), options);
3414 if (getenv("LIBCLANG_NOTHREADS")) {
3415 ReparseTranslationUnitImpl();
3419 llvm::CrashRecoveryContext CRC;
3421 if (!RunSafely(CRC, ReparseTranslationUnitImpl)) {
3422 fprintf(stderr, "libclang: crash detected during reparsing\n");
3423 cxtu::getASTUnit(TU)->setUnsafeToFree(true);
3424 return CXError_Crashed;
3425 } else if (getenv("LIBCLANG_RESOURCE_USAGE"))
3426 PrintLibclangResourceUsage(TU);
3432 CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
3433 if (isNotUsableTU(CTUnit)) {
3435 return cxstring::createEmpty();
3438 ASTUnit *CXXUnit = cxtu::getASTUnit(CTUnit);
3439 return cxstring::createDup(CXXUnit->getOriginalSourceFileName());
3442 CXCursor clang_getTranslationUnitCursor(CXTranslationUnit TU) {
3443 if (isNotUsableTU(TU)) {
3445 return clang_getNullCursor();
3448 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3449 return MakeCXCursor(CXXUnit->getASTContext().getTranslationUnitDecl(), TU);
3452 } // end: extern "C"
3454 //===----------------------------------------------------------------------===//
3455 // CXFile Operations.
3456 //===----------------------------------------------------------------------===//
3459 CXString clang_getFileName(CXFile SFile) {
3461 return cxstring::createNull();
3463 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3464 return cxstring::createRef(FEnt->getName());
3467 time_t clang_getFileTime(CXFile SFile) {
3471 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3472 return FEnt->getModificationTime();
3475 CXFile clang_getFile(CXTranslationUnit TU, const char *file_name) {
3476 if (isNotUsableTU(TU)) {
3481 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3483 FileManager &FMgr = CXXUnit->getFileManager();
3484 return const_cast<FileEntry *>(FMgr.getFile(file_name));
3487 unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit TU,
3489 if (isNotUsableTU(TU)) {
3497 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3498 FileEntry *FEnt = static_cast<FileEntry *>(file);
3499 return CXXUnit->getPreprocessor().getHeaderSearchInfo()
3500 .isFileMultipleIncludeGuarded(FEnt);
3503 int clang_getFileUniqueID(CXFile file, CXFileUniqueID *outID) {
3504 if (!file || !outID)
3507 FileEntry *FEnt = static_cast<FileEntry *>(file);
3508 const llvm::sys::fs::UniqueID &ID = FEnt->getUniqueID();
3509 outID->data[0] = ID.getDevice();
3510 outID->data[1] = ID.getFile();
3511 outID->data[2] = FEnt->getModificationTime();
3515 int clang_File_isEqual(CXFile file1, CXFile file2) {
3519 if (!file1 || !file2)
3522 FileEntry *FEnt1 = static_cast<FileEntry *>(file1);
3523 FileEntry *FEnt2 = static_cast<FileEntry *>(file2);
3524 return FEnt1->getUniqueID() == FEnt2->getUniqueID();
3527 } // end: extern "C"
3529 //===----------------------------------------------------------------------===//
3530 // CXCursor Operations.
3531 //===----------------------------------------------------------------------===//
3533 static const Decl *getDeclFromExpr(const Stmt *E) {
3534 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3535 return getDeclFromExpr(CE->getSubExpr());
3537 if (const DeclRefExpr *RefExpr = dyn_cast<DeclRefExpr>(E))
3538 return RefExpr->getDecl();
3539 if (const MemberExpr *ME = dyn_cast<MemberExpr>(E))
3540 return ME->getMemberDecl();
3541 if (const ObjCIvarRefExpr *RE = dyn_cast<ObjCIvarRefExpr>(E))
3542 return RE->getDecl();
3543 if (const ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(E)) {
3544 if (PRE->isExplicitProperty())
3545 return PRE->getExplicitProperty();
3546 // It could be messaging both getter and setter as in:
3548 // in which case prefer to associate the setter since it is less obvious
3549 // from inspecting the source that the setter is going to get called.
3550 if (PRE->isMessagingSetter())
3551 return PRE->getImplicitPropertySetter();
3552 return PRE->getImplicitPropertyGetter();
3554 if (const PseudoObjectExpr *POE = dyn_cast<PseudoObjectExpr>(E))
3555 return getDeclFromExpr(POE->getSyntacticForm());
3556 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E))
3557 if (Expr *Src = OVE->getSourceExpr())
3558 return getDeclFromExpr(Src);
3560 if (const CallExpr *CE = dyn_cast<CallExpr>(E))
3561 return getDeclFromExpr(CE->getCallee());
3562 if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E))
3563 if (!CE->isElidable())
3564 return CE->getConstructor();
3565 if (const ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(E))
3566 return OME->getMethodDecl();
3568 if (const ObjCProtocolExpr *PE = dyn_cast<ObjCProtocolExpr>(E))
3569 return PE->getProtocol();
3570 if (const SubstNonTypeTemplateParmPackExpr *NTTP
3571 = dyn_cast<SubstNonTypeTemplateParmPackExpr>(E))
3572 return NTTP->getParameterPack();
3573 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3574 if (isa<NonTypeTemplateParmDecl>(SizeOfPack->getPack()) ||
3575 isa<ParmVarDecl>(SizeOfPack->getPack()))
3576 return SizeOfPack->getPack();
3581 static SourceLocation getLocationFromExpr(const Expr *E) {
3582 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3583 return getLocationFromExpr(CE->getSubExpr());
3585 if (const ObjCMessageExpr *Msg = dyn_cast<ObjCMessageExpr>(E))
3586 return /*FIXME:*/Msg->getLeftLoc();
3587 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E))
3588 return DRE->getLocation();
3589 if (const MemberExpr *Member = dyn_cast<MemberExpr>(E))
3590 return Member->getMemberLoc();
3591 if (const ObjCIvarRefExpr *Ivar = dyn_cast<ObjCIvarRefExpr>(E))
3592 return Ivar->getLocation();
3593 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3594 return SizeOfPack->getPackLoc();
3595 if (const ObjCPropertyRefExpr *PropRef = dyn_cast<ObjCPropertyRefExpr>(E))
3596 return PropRef->getLocation();
3598 return E->getLocStart();
3601 static std::string getMangledStructor(std::unique_ptr<MangleContext> &M,
3602 std::unique_ptr<llvm::DataLayout> &DL,
3603 const NamedDecl *ND,
3604 unsigned StructorType) {
3605 std::string FrontendBuf;
3606 llvm::raw_string_ostream FOS(FrontendBuf);
3608 if (const auto *CD = dyn_cast_or_null<CXXConstructorDecl>(ND))
3609 M->mangleCXXCtor(CD, static_cast<CXXCtorType>(StructorType), FOS);
3610 else if (const auto *DD = dyn_cast_or_null<CXXDestructorDecl>(ND))
3611 M->mangleCXXDtor(DD, static_cast<CXXDtorType>(StructorType), FOS);
3613 std::string BackendBuf;
3614 llvm::raw_string_ostream BOS(BackendBuf);
3616 llvm::Mangler::getNameWithPrefix(BOS, llvm::Twine(FOS.str()), *DL);
3623 unsigned clang_visitChildren(CXCursor parent,
3624 CXCursorVisitor visitor,
3625 CXClientData client_data) {
3626 CursorVisitor CursorVis(getCursorTU(parent), visitor, client_data,
3627 /*VisitPreprocessorLast=*/false);
3628 return CursorVis.VisitChildren(parent);
3631 #ifndef __has_feature
3632 #define __has_feature(x) 0
3634 #if __has_feature(blocks)
3635 typedef enum CXChildVisitResult
3636 (^CXCursorVisitorBlock)(CXCursor cursor, CXCursor parent);
3638 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
3639 CXClientData client_data) {
3640 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
3641 return block(cursor, parent);
3644 // If we are compiled with a compiler that doesn't have native blocks support,
3645 // define and call the block manually, so the
3646 typedef struct _CXChildVisitResult
3651 enum CXChildVisitResult(*invoke)(struct _CXChildVisitResult*, CXCursor,
3653 } *CXCursorVisitorBlock;
3655 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
3656 CXClientData client_data) {
3657 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
3658 return block->invoke(block, cursor, parent);
3663 unsigned clang_visitChildrenWithBlock(CXCursor parent,
3664 CXCursorVisitorBlock block) {
3665 return clang_visitChildren(parent, visitWithBlock, block);
3668 static CXString getDeclSpelling(const Decl *D) {
3670 return cxstring::createEmpty();
3672 const NamedDecl *ND = dyn_cast<NamedDecl>(D);
3674 if (const ObjCPropertyImplDecl *PropImpl =
3675 dyn_cast<ObjCPropertyImplDecl>(D))
3676 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
3677 return cxstring::createDup(Property->getIdentifier()->getName());
3679 if (const ImportDecl *ImportD = dyn_cast<ImportDecl>(D))
3680 if (Module *Mod = ImportD->getImportedModule())
3681 return cxstring::createDup(Mod->getFullModuleName());
3683 return cxstring::createEmpty();
3686 if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(ND))
3687 return cxstring::createDup(OMD->getSelector().getAsString());
3689 if (const ObjCCategoryImplDecl *CIMP = dyn_cast<ObjCCategoryImplDecl>(ND))
3690 // No, this isn't the same as the code below. getIdentifier() is non-virtual
3691 // and returns different names. NamedDecl returns the class name and
3692 // ObjCCategoryImplDecl returns the category name.
3693 return cxstring::createRef(CIMP->getIdentifier()->getNameStart());
3695 if (isa<UsingDirectiveDecl>(D))
3696 return cxstring::createEmpty();
3698 SmallString<1024> S;
3699 llvm::raw_svector_ostream os(S);
3702 return cxstring::createDup(os.str());
3705 CXString clang_getCursorSpelling(CXCursor C) {
3706 if (clang_isTranslationUnit(C.kind))
3707 return clang_getTranslationUnitSpelling(getCursorTU(C));
3709 if (clang_isReference(C.kind)) {
3711 case CXCursor_ObjCSuperClassRef: {
3712 const ObjCInterfaceDecl *Super = getCursorObjCSuperClassRef(C).first;
3713 return cxstring::createRef(Super->getIdentifier()->getNameStart());
3715 case CXCursor_ObjCClassRef: {
3716 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
3717 return cxstring::createRef(Class->getIdentifier()->getNameStart());
3719 case CXCursor_ObjCProtocolRef: {
3720 const ObjCProtocolDecl *OID = getCursorObjCProtocolRef(C).first;
3721 assert(OID && "getCursorSpelling(): Missing protocol decl");
3722 return cxstring::createRef(OID->getIdentifier()->getNameStart());
3724 case CXCursor_CXXBaseSpecifier: {
3725 const CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
3726 return cxstring::createDup(B->getType().getAsString());
3728 case CXCursor_TypeRef: {
3729 const TypeDecl *Type = getCursorTypeRef(C).first;
3730 assert(Type && "Missing type decl");
3732 return cxstring::createDup(getCursorContext(C).getTypeDeclType(Type).
3735 case CXCursor_TemplateRef: {
3736 const TemplateDecl *Template = getCursorTemplateRef(C).first;
3737 assert(Template && "Missing template decl");
3739 return cxstring::createDup(Template->getNameAsString());
3742 case CXCursor_NamespaceRef: {
3743 const NamedDecl *NS = getCursorNamespaceRef(C).first;
3744 assert(NS && "Missing namespace decl");
3746 return cxstring::createDup(NS->getNameAsString());
3749 case CXCursor_MemberRef: {
3750 const FieldDecl *Field = getCursorMemberRef(C).first;
3751 assert(Field && "Missing member decl");
3753 return cxstring::createDup(Field->getNameAsString());
3756 case CXCursor_LabelRef: {
3757 const LabelStmt *Label = getCursorLabelRef(C).first;
3758 assert(Label && "Missing label");
3760 return cxstring::createRef(Label->getName());
3763 case CXCursor_OverloadedDeclRef: {
3764 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
3765 if (const Decl *D = Storage.dyn_cast<const Decl *>()) {
3766 if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
3767 return cxstring::createDup(ND->getNameAsString());
3768 return cxstring::createEmpty();
3770 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
3771 return cxstring::createDup(E->getName().getAsString());
3772 OverloadedTemplateStorage *Ovl
3773 = Storage.get<OverloadedTemplateStorage*>();
3774 if (Ovl->size() == 0)
3775 return cxstring::createEmpty();
3776 return cxstring::createDup((*Ovl->begin())->getNameAsString());
3779 case CXCursor_VariableRef: {
3780 const VarDecl *Var = getCursorVariableRef(C).first;
3781 assert(Var && "Missing variable decl");
3783 return cxstring::createDup(Var->getNameAsString());
3787 return cxstring::createRef("<not implemented>");
3791 if (clang_isExpression(C.kind)) {
3792 const Expr *E = getCursorExpr(C);
3794 if (C.kind == CXCursor_ObjCStringLiteral ||
3795 C.kind == CXCursor_StringLiteral) {
3796 const StringLiteral *SLit;
3797 if (const ObjCStringLiteral *OSL = dyn_cast<ObjCStringLiteral>(E)) {
3798 SLit = OSL->getString();
3800 SLit = cast<StringLiteral>(E);
3802 SmallString<256> Buf;
3803 llvm::raw_svector_ostream OS(Buf);
3804 SLit->outputString(OS);
3805 return cxstring::createDup(OS.str());
3808 const Decl *D = getDeclFromExpr(getCursorExpr(C));
3810 return getDeclSpelling(D);
3811 return cxstring::createEmpty();
3814 if (clang_isStatement(C.kind)) {
3815 const Stmt *S = getCursorStmt(C);
3816 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S))
3817 return cxstring::createRef(Label->getName());
3819 return cxstring::createEmpty();
3822 if (C.kind == CXCursor_MacroExpansion)
3823 return cxstring::createRef(getCursorMacroExpansion(C).getName()
3826 if (C.kind == CXCursor_MacroDefinition)
3827 return cxstring::createRef(getCursorMacroDefinition(C)->getName()
3830 if (C.kind == CXCursor_InclusionDirective)
3831 return cxstring::createDup(getCursorInclusionDirective(C)->getFileName());
3833 if (clang_isDeclaration(C.kind))
3834 return getDeclSpelling(getCursorDecl(C));
3836 if (C.kind == CXCursor_AnnotateAttr) {
3837 const AnnotateAttr *AA = cast<AnnotateAttr>(cxcursor::getCursorAttr(C));
3838 return cxstring::createDup(AA->getAnnotation());
3841 if (C.kind == CXCursor_AsmLabelAttr) {
3842 const AsmLabelAttr *AA = cast<AsmLabelAttr>(cxcursor::getCursorAttr(C));
3843 return cxstring::createDup(AA->getLabel());
3846 if (C.kind == CXCursor_PackedAttr) {
3847 return cxstring::createRef("packed");
3850 if (C.kind == CXCursor_VisibilityAttr) {
3851 const VisibilityAttr *AA = cast<VisibilityAttr>(cxcursor::getCursorAttr(C));
3852 switch (AA->getVisibility()) {
3853 case VisibilityAttr::VisibilityType::Default:
3854 return cxstring::createRef("default");
3855 case VisibilityAttr::VisibilityType::Hidden:
3856 return cxstring::createRef("hidden");
3857 case VisibilityAttr::VisibilityType::Protected:
3858 return cxstring::createRef("protected");
3860 llvm_unreachable("unknown visibility type");
3863 return cxstring::createEmpty();
3866 CXSourceRange clang_Cursor_getSpellingNameRange(CXCursor C,
3867 unsigned pieceIndex,
3869 if (clang_Cursor_isNull(C))
3870 return clang_getNullRange();
3872 ASTContext &Ctx = getCursorContext(C);
3874 if (clang_isStatement(C.kind)) {
3875 const Stmt *S = getCursorStmt(C);
3876 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S)) {
3878 return clang_getNullRange();
3879 return cxloc::translateSourceRange(Ctx, Label->getIdentLoc());
3882 return clang_getNullRange();
3885 if (C.kind == CXCursor_ObjCMessageExpr) {
3886 if (const ObjCMessageExpr *
3887 ME = dyn_cast_or_null<ObjCMessageExpr>(getCursorExpr(C))) {
3888 if (pieceIndex >= ME->getNumSelectorLocs())
3889 return clang_getNullRange();
3890 return cxloc::translateSourceRange(Ctx, ME->getSelectorLoc(pieceIndex));
3894 if (C.kind == CXCursor_ObjCInstanceMethodDecl ||
3895 C.kind == CXCursor_ObjCClassMethodDecl) {
3896 if (const ObjCMethodDecl *
3897 MD = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(C))) {
3898 if (pieceIndex >= MD->getNumSelectorLocs())
3899 return clang_getNullRange();
3900 return cxloc::translateSourceRange(Ctx, MD->getSelectorLoc(pieceIndex));
3904 if (C.kind == CXCursor_ObjCCategoryDecl ||
3905 C.kind == CXCursor_ObjCCategoryImplDecl) {
3907 return clang_getNullRange();
3908 if (const ObjCCategoryDecl *
3909 CD = dyn_cast_or_null<ObjCCategoryDecl>(getCursorDecl(C)))
3910 return cxloc::translateSourceRange(Ctx, CD->getCategoryNameLoc());
3911 if (const ObjCCategoryImplDecl *
3912 CID = dyn_cast_or_null<ObjCCategoryImplDecl>(getCursorDecl(C)))
3913 return cxloc::translateSourceRange(Ctx, CID->getCategoryNameLoc());
3916 if (C.kind == CXCursor_ModuleImportDecl) {
3918 return clang_getNullRange();
3919 if (const ImportDecl *ImportD =
3920 dyn_cast_or_null<ImportDecl>(getCursorDecl(C))) {
3921 ArrayRef<SourceLocation> Locs = ImportD->getIdentifierLocs();
3923 return cxloc::translateSourceRange(Ctx,
3924 SourceRange(Locs.front(), Locs.back()));
3926 return clang_getNullRange();
3929 if (C.kind == CXCursor_CXXMethod || C.kind == CXCursor_Destructor ||
3930 C.kind == CXCursor_ConversionFunction) {
3932 return clang_getNullRange();
3933 if (const FunctionDecl *FD =
3934 dyn_cast_or_null<FunctionDecl>(getCursorDecl(C))) {
3935 DeclarationNameInfo FunctionName = FD->getNameInfo();
3936 return cxloc::translateSourceRange(Ctx, FunctionName.getSourceRange());
3938 return clang_getNullRange();
3941 // FIXME: A CXCursor_InclusionDirective should give the location of the
3942 // filename, but we don't keep track of this.
3944 // FIXME: A CXCursor_AnnotateAttr should give the location of the annotation
3945 // but we don't keep track of this.
3947 // FIXME: A CXCursor_AsmLabelAttr should give the location of the label
3948 // but we don't keep track of this.
3950 // Default handling, give the location of the cursor.
3953 return clang_getNullRange();
3955 CXSourceLocation CXLoc = clang_getCursorLocation(C);
3956 SourceLocation Loc = cxloc::translateSourceLocation(CXLoc);
3957 return cxloc::translateSourceRange(Ctx, Loc);
3960 CXString clang_Cursor_getMangling(CXCursor C) {
3961 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
3962 return cxstring::createEmpty();
3964 // Mangling only works for functions and variables.
3965 const Decl *D = getCursorDecl(C);
3966 if (!D || !(isa<FunctionDecl>(D) || isa<VarDecl>(D)))
3967 return cxstring::createEmpty();
3969 // First apply frontend mangling.
3970 const NamedDecl *ND = cast<NamedDecl>(D);
3971 ASTContext &Ctx = ND->getASTContext();
3972 std::unique_ptr<MangleContext> MC(Ctx.createMangleContext());
3974 std::string FrontendBuf;
3975 llvm::raw_string_ostream FrontendBufOS(FrontendBuf);
3976 if (MC->shouldMangleDeclName(ND)) {
3977 MC->mangleName(ND, FrontendBufOS);
3979 ND->printName(FrontendBufOS);
3982 // Now apply backend mangling.
3983 std::unique_ptr<llvm::DataLayout> DL(
3984 new llvm::DataLayout(Ctx.getTargetInfo().getDataLayoutString()));
3986 std::string FinalBuf;
3987 llvm::raw_string_ostream FinalBufOS(FinalBuf);
3988 llvm::Mangler::getNameWithPrefix(FinalBufOS, llvm::Twine(FrontendBufOS.str()),
3991 return cxstring::createDup(FinalBufOS.str());
3994 CXStringSet *clang_Cursor_getCXXManglings(CXCursor C) {
3995 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
3998 const Decl *D = getCursorDecl(C);
3999 if (!(isa<CXXRecordDecl>(D) || isa<CXXMethodDecl>(D)))
4002 const NamedDecl *ND = cast<NamedDecl>(D);
4004 ASTContext &Ctx = ND->getASTContext();
4005 std::unique_ptr<MangleContext> M(Ctx.createMangleContext());
4006 std::unique_ptr<llvm::DataLayout> DL(
4007 new llvm::DataLayout(Ctx.getTargetInfo().getDataLayoutString()));
4009 std::vector<std::string> Manglings;
4011 auto hasDefaultCXXMethodCC = [](ASTContext &C, const CXXMethodDecl *MD) {
4012 auto DefaultCC = C.getDefaultCallingConvention(/*IsVariadic=*/false,
4013 /*IsCSSMethod=*/true);
4014 auto CC = MD->getType()->getAs<FunctionProtoType>()->getCallConv();
4015 return CC == DefaultCC;
4018 if (const auto *CD = dyn_cast_or_null<CXXConstructorDecl>(ND)) {
4019 Manglings.emplace_back(getMangledStructor(M, DL, CD, Ctor_Base));
4021 if (Ctx.getTargetInfo().getCXXABI().isItaniumFamily())
4022 if (!CD->getParent()->isAbstract())
4023 Manglings.emplace_back(getMangledStructor(M, DL, CD, Ctor_Complete));
4025 if (Ctx.getTargetInfo().getCXXABI().isMicrosoft())
4026 if (CD->hasAttr<DLLExportAttr>() && CD->isDefaultConstructor())
4027 if (!(hasDefaultCXXMethodCC(Ctx, CD) && CD->getNumParams() == 0))
4028 Manglings.emplace_back(getMangledStructor(M, DL, CD,
4029 Ctor_DefaultClosure));
4030 } else if (const auto *DD = dyn_cast_or_null<CXXDestructorDecl>(ND)) {
4031 Manglings.emplace_back(getMangledStructor(M, DL, DD, Dtor_Base));
4032 if (Ctx.getTargetInfo().getCXXABI().isItaniumFamily()) {
4033 Manglings.emplace_back(getMangledStructor(M, DL, DD, Dtor_Complete));
4034 if (DD->isVirtual())
4035 Manglings.emplace_back(getMangledStructor(M, DL, DD, Dtor_Deleting));
4039 return cxstring::createSet(Manglings);
4042 CXString clang_getCursorDisplayName(CXCursor C) {
4043 if (!clang_isDeclaration(C.kind))
4044 return clang_getCursorSpelling(C);
4046 const Decl *D = getCursorDecl(C);
4048 return cxstring::createEmpty();
4050 PrintingPolicy Policy = getCursorContext(C).getPrintingPolicy();
4051 if (const FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(D))
4052 D = FunTmpl->getTemplatedDecl();
4054 if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
4055 SmallString<64> Str;
4056 llvm::raw_svector_ostream OS(Str);
4058 if (Function->getPrimaryTemplate())
4061 for (unsigned I = 0, N = Function->getNumParams(); I != N; ++I) {
4064 OS << Function->getParamDecl(I)->getType().getAsString(Policy);
4067 if (Function->isVariadic()) {
4068 if (Function->getNumParams())
4073 return cxstring::createDup(OS.str());
4076 if (const ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(D)) {
4077 SmallString<64> Str;
4078 llvm::raw_svector_ostream OS(Str);
4079 OS << *ClassTemplate;
4081 TemplateParameterList *Params = ClassTemplate->getTemplateParameters();
4082 for (unsigned I = 0, N = Params->size(); I != N; ++I) {
4086 NamedDecl *Param = Params->getParam(I);
4087 if (Param->getIdentifier()) {
4088 OS << Param->getIdentifier()->getName();
4092 // There is no parameter name, which makes this tricky. Try to come up
4093 // with something useful that isn't too long.
4094 if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Param))
4095 OS << (TTP->wasDeclaredWithTypename()? "typename" : "class");
4096 else if (NonTypeTemplateParmDecl *NTTP
4097 = dyn_cast<NonTypeTemplateParmDecl>(Param))
4098 OS << NTTP->getType().getAsString(Policy);
4100 OS << "template<...> class";
4104 return cxstring::createDup(OS.str());
4107 if (const ClassTemplateSpecializationDecl *ClassSpec
4108 = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
4109 // If the type was explicitly written, use that.
4110 if (TypeSourceInfo *TSInfo = ClassSpec->getTypeAsWritten())
4111 return cxstring::createDup(TSInfo->getType().getAsString(Policy));
4113 SmallString<128> Str;
4114 llvm::raw_svector_ostream OS(Str);
4116 TemplateSpecializationType::PrintTemplateArgumentList(OS,
4117 ClassSpec->getTemplateArgs().data(),
4118 ClassSpec->getTemplateArgs().size(),
4120 return cxstring::createDup(OS.str());
4123 return clang_getCursorSpelling(C);
4126 CXString clang_getCursorKindSpelling(enum CXCursorKind Kind) {
4128 case CXCursor_FunctionDecl:
4129 return cxstring::createRef("FunctionDecl");
4130 case CXCursor_TypedefDecl:
4131 return cxstring::createRef("TypedefDecl");
4132 case CXCursor_EnumDecl:
4133 return cxstring::createRef("EnumDecl");
4134 case CXCursor_EnumConstantDecl:
4135 return cxstring::createRef("EnumConstantDecl");
4136 case CXCursor_StructDecl:
4137 return cxstring::createRef("StructDecl");
4138 case CXCursor_UnionDecl:
4139 return cxstring::createRef("UnionDecl");
4140 case CXCursor_ClassDecl:
4141 return cxstring::createRef("ClassDecl");
4142 case CXCursor_FieldDecl:
4143 return cxstring::createRef("FieldDecl");
4144 case CXCursor_VarDecl:
4145 return cxstring::createRef("VarDecl");
4146 case CXCursor_ParmDecl:
4147 return cxstring::createRef("ParmDecl");
4148 case CXCursor_ObjCInterfaceDecl:
4149 return cxstring::createRef("ObjCInterfaceDecl");
4150 case CXCursor_ObjCCategoryDecl:
4151 return cxstring::createRef("ObjCCategoryDecl");
4152 case CXCursor_ObjCProtocolDecl:
4153 return cxstring::createRef("ObjCProtocolDecl");
4154 case CXCursor_ObjCPropertyDecl:
4155 return cxstring::createRef("ObjCPropertyDecl");
4156 case CXCursor_ObjCIvarDecl:
4157 return cxstring::createRef("ObjCIvarDecl");
4158 case CXCursor_ObjCInstanceMethodDecl:
4159 return cxstring::createRef("ObjCInstanceMethodDecl");
4160 case CXCursor_ObjCClassMethodDecl:
4161 return cxstring::createRef("ObjCClassMethodDecl");
4162 case CXCursor_ObjCImplementationDecl:
4163 return cxstring::createRef("ObjCImplementationDecl");
4164 case CXCursor_ObjCCategoryImplDecl:
4165 return cxstring::createRef("ObjCCategoryImplDecl");
4166 case CXCursor_CXXMethod:
4167 return cxstring::createRef("CXXMethod");
4168 case CXCursor_UnexposedDecl:
4169 return cxstring::createRef("UnexposedDecl");
4170 case CXCursor_ObjCSuperClassRef:
4171 return cxstring::createRef("ObjCSuperClassRef");
4172 case CXCursor_ObjCProtocolRef:
4173 return cxstring::createRef("ObjCProtocolRef");
4174 case CXCursor_ObjCClassRef:
4175 return cxstring::createRef("ObjCClassRef");
4176 case CXCursor_TypeRef:
4177 return cxstring::createRef("TypeRef");
4178 case CXCursor_TemplateRef:
4179 return cxstring::createRef("TemplateRef");
4180 case CXCursor_NamespaceRef:
4181 return cxstring::createRef("NamespaceRef");
4182 case CXCursor_MemberRef:
4183 return cxstring::createRef("MemberRef");
4184 case CXCursor_LabelRef:
4185 return cxstring::createRef("LabelRef");
4186 case CXCursor_OverloadedDeclRef:
4187 return cxstring::createRef("OverloadedDeclRef");
4188 case CXCursor_VariableRef:
4189 return cxstring::createRef("VariableRef");
4190 case CXCursor_IntegerLiteral:
4191 return cxstring::createRef("IntegerLiteral");
4192 case CXCursor_FloatingLiteral:
4193 return cxstring::createRef("FloatingLiteral");
4194 case CXCursor_ImaginaryLiteral:
4195 return cxstring::createRef("ImaginaryLiteral");
4196 case CXCursor_StringLiteral:
4197 return cxstring::createRef("StringLiteral");
4198 case CXCursor_CharacterLiteral:
4199 return cxstring::createRef("CharacterLiteral");
4200 case CXCursor_ParenExpr:
4201 return cxstring::createRef("ParenExpr");
4202 case CXCursor_UnaryOperator:
4203 return cxstring::createRef("UnaryOperator");
4204 case CXCursor_ArraySubscriptExpr:
4205 return cxstring::createRef("ArraySubscriptExpr");
4206 case CXCursor_OMPArraySectionExpr:
4207 return cxstring::createRef("OMPArraySectionExpr");
4208 case CXCursor_BinaryOperator:
4209 return cxstring::createRef("BinaryOperator");
4210 case CXCursor_CompoundAssignOperator:
4211 return cxstring::createRef("CompoundAssignOperator");
4212 case CXCursor_ConditionalOperator:
4213 return cxstring::createRef("ConditionalOperator");
4214 case CXCursor_CStyleCastExpr:
4215 return cxstring::createRef("CStyleCastExpr");
4216 case CXCursor_CompoundLiteralExpr:
4217 return cxstring::createRef("CompoundLiteralExpr");
4218 case CXCursor_InitListExpr:
4219 return cxstring::createRef("InitListExpr");
4220 case CXCursor_AddrLabelExpr:
4221 return cxstring::createRef("AddrLabelExpr");
4222 case CXCursor_StmtExpr:
4223 return cxstring::createRef("StmtExpr");
4224 case CXCursor_GenericSelectionExpr:
4225 return cxstring::createRef("GenericSelectionExpr");
4226 case CXCursor_GNUNullExpr:
4227 return cxstring::createRef("GNUNullExpr");
4228 case CXCursor_CXXStaticCastExpr:
4229 return cxstring::createRef("CXXStaticCastExpr");
4230 case CXCursor_CXXDynamicCastExpr:
4231 return cxstring::createRef("CXXDynamicCastExpr");
4232 case CXCursor_CXXReinterpretCastExpr:
4233 return cxstring::createRef("CXXReinterpretCastExpr");
4234 case CXCursor_CXXConstCastExpr:
4235 return cxstring::createRef("CXXConstCastExpr");
4236 case CXCursor_CXXFunctionalCastExpr:
4237 return cxstring::createRef("CXXFunctionalCastExpr");
4238 case CXCursor_CXXTypeidExpr:
4239 return cxstring::createRef("CXXTypeidExpr");
4240 case CXCursor_CXXBoolLiteralExpr:
4241 return cxstring::createRef("CXXBoolLiteralExpr");
4242 case CXCursor_CXXNullPtrLiteralExpr:
4243 return cxstring::createRef("CXXNullPtrLiteralExpr");
4244 case CXCursor_CXXThisExpr:
4245 return cxstring::createRef("CXXThisExpr");
4246 case CXCursor_CXXThrowExpr:
4247 return cxstring::createRef("CXXThrowExpr");
4248 case CXCursor_CXXNewExpr:
4249 return cxstring::createRef("CXXNewExpr");
4250 case CXCursor_CXXDeleteExpr:
4251 return cxstring::createRef("CXXDeleteExpr");
4252 case CXCursor_UnaryExpr:
4253 return cxstring::createRef("UnaryExpr");
4254 case CXCursor_ObjCStringLiteral:
4255 return cxstring::createRef("ObjCStringLiteral");
4256 case CXCursor_ObjCBoolLiteralExpr:
4257 return cxstring::createRef("ObjCBoolLiteralExpr");
4258 case CXCursor_ObjCSelfExpr:
4259 return cxstring::createRef("ObjCSelfExpr");
4260 case CXCursor_ObjCEncodeExpr:
4261 return cxstring::createRef("ObjCEncodeExpr");
4262 case CXCursor_ObjCSelectorExpr:
4263 return cxstring::createRef("ObjCSelectorExpr");
4264 case CXCursor_ObjCProtocolExpr:
4265 return cxstring::createRef("ObjCProtocolExpr");
4266 case CXCursor_ObjCBridgedCastExpr:
4267 return cxstring::createRef("ObjCBridgedCastExpr");
4268 case CXCursor_BlockExpr:
4269 return cxstring::createRef("BlockExpr");
4270 case CXCursor_PackExpansionExpr:
4271 return cxstring::createRef("PackExpansionExpr");
4272 case CXCursor_SizeOfPackExpr:
4273 return cxstring::createRef("SizeOfPackExpr");
4274 case CXCursor_LambdaExpr:
4275 return cxstring::createRef("LambdaExpr");
4276 case CXCursor_UnexposedExpr:
4277 return cxstring::createRef("UnexposedExpr");
4278 case CXCursor_DeclRefExpr:
4279 return cxstring::createRef("DeclRefExpr");
4280 case CXCursor_MemberRefExpr:
4281 return cxstring::createRef("MemberRefExpr");
4282 case CXCursor_CallExpr:
4283 return cxstring::createRef("CallExpr");
4284 case CXCursor_ObjCMessageExpr:
4285 return cxstring::createRef("ObjCMessageExpr");
4286 case CXCursor_UnexposedStmt:
4287 return cxstring::createRef("UnexposedStmt");
4288 case CXCursor_DeclStmt:
4289 return cxstring::createRef("DeclStmt");
4290 case CXCursor_LabelStmt:
4291 return cxstring::createRef("LabelStmt");
4292 case CXCursor_CompoundStmt:
4293 return cxstring::createRef("CompoundStmt");
4294 case CXCursor_CaseStmt:
4295 return cxstring::createRef("CaseStmt");
4296 case CXCursor_DefaultStmt:
4297 return cxstring::createRef("DefaultStmt");
4298 case CXCursor_IfStmt:
4299 return cxstring::createRef("IfStmt");
4300 case CXCursor_SwitchStmt:
4301 return cxstring::createRef("SwitchStmt");
4302 case CXCursor_WhileStmt:
4303 return cxstring::createRef("WhileStmt");
4304 case CXCursor_DoStmt:
4305 return cxstring::createRef("DoStmt");
4306 case CXCursor_ForStmt:
4307 return cxstring::createRef("ForStmt");
4308 case CXCursor_GotoStmt:
4309 return cxstring::createRef("GotoStmt");
4310 case CXCursor_IndirectGotoStmt:
4311 return cxstring::createRef("IndirectGotoStmt");
4312 case CXCursor_ContinueStmt:
4313 return cxstring::createRef("ContinueStmt");
4314 case CXCursor_BreakStmt:
4315 return cxstring::createRef("BreakStmt");
4316 case CXCursor_ReturnStmt:
4317 return cxstring::createRef("ReturnStmt");
4318 case CXCursor_GCCAsmStmt:
4319 return cxstring::createRef("GCCAsmStmt");
4320 case CXCursor_MSAsmStmt:
4321 return cxstring::createRef("MSAsmStmt");
4322 case CXCursor_ObjCAtTryStmt:
4323 return cxstring::createRef("ObjCAtTryStmt");
4324 case CXCursor_ObjCAtCatchStmt:
4325 return cxstring::createRef("ObjCAtCatchStmt");
4326 case CXCursor_ObjCAtFinallyStmt:
4327 return cxstring::createRef("ObjCAtFinallyStmt");
4328 case CXCursor_ObjCAtThrowStmt:
4329 return cxstring::createRef("ObjCAtThrowStmt");
4330 case CXCursor_ObjCAtSynchronizedStmt:
4331 return cxstring::createRef("ObjCAtSynchronizedStmt");
4332 case CXCursor_ObjCAutoreleasePoolStmt:
4333 return cxstring::createRef("ObjCAutoreleasePoolStmt");
4334 case CXCursor_ObjCForCollectionStmt:
4335 return cxstring::createRef("ObjCForCollectionStmt");
4336 case CXCursor_CXXCatchStmt:
4337 return cxstring::createRef("CXXCatchStmt");
4338 case CXCursor_CXXTryStmt:
4339 return cxstring::createRef("CXXTryStmt");
4340 case CXCursor_CXXForRangeStmt:
4341 return cxstring::createRef("CXXForRangeStmt");
4342 case CXCursor_SEHTryStmt:
4343 return cxstring::createRef("SEHTryStmt");
4344 case CXCursor_SEHExceptStmt:
4345 return cxstring::createRef("SEHExceptStmt");
4346 case CXCursor_SEHFinallyStmt:
4347 return cxstring::createRef("SEHFinallyStmt");
4348 case CXCursor_SEHLeaveStmt:
4349 return cxstring::createRef("SEHLeaveStmt");
4350 case CXCursor_NullStmt:
4351 return cxstring::createRef("NullStmt");
4352 case CXCursor_InvalidFile:
4353 return cxstring::createRef("InvalidFile");
4354 case CXCursor_InvalidCode:
4355 return cxstring::createRef("InvalidCode");
4356 case CXCursor_NoDeclFound:
4357 return cxstring::createRef("NoDeclFound");
4358 case CXCursor_NotImplemented:
4359 return cxstring::createRef("NotImplemented");
4360 case CXCursor_TranslationUnit:
4361 return cxstring::createRef("TranslationUnit");
4362 case CXCursor_UnexposedAttr:
4363 return cxstring::createRef("UnexposedAttr");
4364 case CXCursor_IBActionAttr:
4365 return cxstring::createRef("attribute(ibaction)");
4366 case CXCursor_IBOutletAttr:
4367 return cxstring::createRef("attribute(iboutlet)");
4368 case CXCursor_IBOutletCollectionAttr:
4369 return cxstring::createRef("attribute(iboutletcollection)");
4370 case CXCursor_CXXFinalAttr:
4371 return cxstring::createRef("attribute(final)");
4372 case CXCursor_CXXOverrideAttr:
4373 return cxstring::createRef("attribute(override)");
4374 case CXCursor_AnnotateAttr:
4375 return cxstring::createRef("attribute(annotate)");
4376 case CXCursor_AsmLabelAttr:
4377 return cxstring::createRef("asm label");
4378 case CXCursor_PackedAttr:
4379 return cxstring::createRef("attribute(packed)");
4380 case CXCursor_PureAttr:
4381 return cxstring::createRef("attribute(pure)");
4382 case CXCursor_ConstAttr:
4383 return cxstring::createRef("attribute(const)");
4384 case CXCursor_NoDuplicateAttr:
4385 return cxstring::createRef("attribute(noduplicate)");
4386 case CXCursor_CUDAConstantAttr:
4387 return cxstring::createRef("attribute(constant)");
4388 case CXCursor_CUDADeviceAttr:
4389 return cxstring::createRef("attribute(device)");
4390 case CXCursor_CUDAGlobalAttr:
4391 return cxstring::createRef("attribute(global)");
4392 case CXCursor_CUDAHostAttr:
4393 return cxstring::createRef("attribute(host)");
4394 case CXCursor_CUDASharedAttr:
4395 return cxstring::createRef("attribute(shared)");
4396 case CXCursor_VisibilityAttr:
4397 return cxstring::createRef("attribute(visibility)");
4398 case CXCursor_DLLExport:
4399 return cxstring::createRef("attribute(dllexport)");
4400 case CXCursor_DLLImport:
4401 return cxstring::createRef("attribute(dllimport)");
4402 case CXCursor_PreprocessingDirective:
4403 return cxstring::createRef("preprocessing directive");
4404 case CXCursor_MacroDefinition:
4405 return cxstring::createRef("macro definition");
4406 case CXCursor_MacroExpansion:
4407 return cxstring::createRef("macro expansion");
4408 case CXCursor_InclusionDirective:
4409 return cxstring::createRef("inclusion directive");
4410 case CXCursor_Namespace:
4411 return cxstring::createRef("Namespace");
4412 case CXCursor_LinkageSpec:
4413 return cxstring::createRef("LinkageSpec");
4414 case CXCursor_CXXBaseSpecifier:
4415 return cxstring::createRef("C++ base class specifier");
4416 case CXCursor_Constructor:
4417 return cxstring::createRef("CXXConstructor");
4418 case CXCursor_Destructor:
4419 return cxstring::createRef("CXXDestructor");
4420 case CXCursor_ConversionFunction:
4421 return cxstring::createRef("CXXConversion");
4422 case CXCursor_TemplateTypeParameter:
4423 return cxstring::createRef("TemplateTypeParameter");
4424 case CXCursor_NonTypeTemplateParameter:
4425 return cxstring::createRef("NonTypeTemplateParameter");
4426 case CXCursor_TemplateTemplateParameter:
4427 return cxstring::createRef("TemplateTemplateParameter");
4428 case CXCursor_FunctionTemplate:
4429 return cxstring::createRef("FunctionTemplate");
4430 case CXCursor_ClassTemplate:
4431 return cxstring::createRef("ClassTemplate");
4432 case CXCursor_ClassTemplatePartialSpecialization:
4433 return cxstring::createRef("ClassTemplatePartialSpecialization");
4434 case CXCursor_NamespaceAlias:
4435 return cxstring::createRef("NamespaceAlias");
4436 case CXCursor_UsingDirective:
4437 return cxstring::createRef("UsingDirective");
4438 case CXCursor_UsingDeclaration:
4439 return cxstring::createRef("UsingDeclaration");
4440 case CXCursor_TypeAliasDecl:
4441 return cxstring::createRef("TypeAliasDecl");
4442 case CXCursor_ObjCSynthesizeDecl:
4443 return cxstring::createRef("ObjCSynthesizeDecl");
4444 case CXCursor_ObjCDynamicDecl:
4445 return cxstring::createRef("ObjCDynamicDecl");
4446 case CXCursor_CXXAccessSpecifier:
4447 return cxstring::createRef("CXXAccessSpecifier");
4448 case CXCursor_ModuleImportDecl:
4449 return cxstring::createRef("ModuleImport");
4450 case CXCursor_OMPParallelDirective:
4451 return cxstring::createRef("OMPParallelDirective");
4452 case CXCursor_OMPSimdDirective:
4453 return cxstring::createRef("OMPSimdDirective");
4454 case CXCursor_OMPForDirective:
4455 return cxstring::createRef("OMPForDirective");
4456 case CXCursor_OMPForSimdDirective:
4457 return cxstring::createRef("OMPForSimdDirective");
4458 case CXCursor_OMPSectionsDirective:
4459 return cxstring::createRef("OMPSectionsDirective");
4460 case CXCursor_OMPSectionDirective:
4461 return cxstring::createRef("OMPSectionDirective");
4462 case CXCursor_OMPSingleDirective:
4463 return cxstring::createRef("OMPSingleDirective");
4464 case CXCursor_OMPMasterDirective:
4465 return cxstring::createRef("OMPMasterDirective");
4466 case CXCursor_OMPCriticalDirective:
4467 return cxstring::createRef("OMPCriticalDirective");
4468 case CXCursor_OMPParallelForDirective:
4469 return cxstring::createRef("OMPParallelForDirective");
4470 case CXCursor_OMPParallelForSimdDirective:
4471 return cxstring::createRef("OMPParallelForSimdDirective");
4472 case CXCursor_OMPParallelSectionsDirective:
4473 return cxstring::createRef("OMPParallelSectionsDirective");
4474 case CXCursor_OMPTaskDirective:
4475 return cxstring::createRef("OMPTaskDirective");
4476 case CXCursor_OMPTaskyieldDirective:
4477 return cxstring::createRef("OMPTaskyieldDirective");
4478 case CXCursor_OMPBarrierDirective:
4479 return cxstring::createRef("OMPBarrierDirective");
4480 case CXCursor_OMPTaskwaitDirective:
4481 return cxstring::createRef("OMPTaskwaitDirective");
4482 case CXCursor_OMPTaskgroupDirective:
4483 return cxstring::createRef("OMPTaskgroupDirective");
4484 case CXCursor_OMPFlushDirective:
4485 return cxstring::createRef("OMPFlushDirective");
4486 case CXCursor_OMPOrderedDirective:
4487 return cxstring::createRef("OMPOrderedDirective");
4488 case CXCursor_OMPAtomicDirective:
4489 return cxstring::createRef("OMPAtomicDirective");
4490 case CXCursor_OMPTargetDirective:
4491 return cxstring::createRef("OMPTargetDirective");
4492 case CXCursor_OMPTargetDataDirective:
4493 return cxstring::createRef("OMPTargetDataDirective");
4494 case CXCursor_OMPTeamsDirective:
4495 return cxstring::createRef("OMPTeamsDirective");
4496 case CXCursor_OMPCancellationPointDirective:
4497 return cxstring::createRef("OMPCancellationPointDirective");
4498 case CXCursor_OMPCancelDirective:
4499 return cxstring::createRef("OMPCancelDirective");
4500 case CXCursor_OMPTaskLoopDirective:
4501 return cxstring::createRef("OMPTaskLoopDirective");
4502 case CXCursor_OMPTaskLoopSimdDirective:
4503 return cxstring::createRef("OMPTaskLoopSimdDirective");
4504 case CXCursor_OMPDistributeDirective:
4505 return cxstring::createRef("OMPDistributeDirective");
4506 case CXCursor_OverloadCandidate:
4507 return cxstring::createRef("OverloadCandidate");
4508 case CXCursor_TypeAliasTemplateDecl:
4509 return cxstring::createRef("TypeAliasTemplateDecl");
4512 llvm_unreachable("Unhandled CXCursorKind");
4515 struct GetCursorData {
4516 SourceLocation TokenBeginLoc;
4517 bool PointsAtMacroArgExpansion;
4518 bool VisitedObjCPropertyImplDecl;
4519 SourceLocation VisitedDeclaratorDeclStartLoc;
4520 CXCursor &BestCursor;
4522 GetCursorData(SourceManager &SM,
4523 SourceLocation tokenBegin, CXCursor &outputCursor)
4524 : TokenBeginLoc(tokenBegin), BestCursor(outputCursor) {
4525 PointsAtMacroArgExpansion = SM.isMacroArgExpansion(tokenBegin);
4526 VisitedObjCPropertyImplDecl = false;
4530 static enum CXChildVisitResult GetCursorVisitor(CXCursor cursor,
4532 CXClientData client_data) {
4533 GetCursorData *Data = static_cast<GetCursorData *>(client_data);
4534 CXCursor *BestCursor = &Data->BestCursor;
4536 // If we point inside a macro argument we should provide info of what the
4537 // token is so use the actual cursor, don't replace it with a macro expansion
4539 if (cursor.kind == CXCursor_MacroExpansion && Data->PointsAtMacroArgExpansion)
4540 return CXChildVisit_Recurse;
4542 if (clang_isDeclaration(cursor.kind)) {
4543 // Avoid having the implicit methods override the property decls.
4544 if (const ObjCMethodDecl *MD
4545 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
4546 if (MD->isImplicit())
4547 return CXChildVisit_Break;
4549 } else if (const ObjCInterfaceDecl *ID
4550 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(cursor))) {
4551 // Check that when we have multiple @class references in the same line,
4552 // that later ones do not override the previous ones.
4555 // source ranges for both start at '@', so 'Bar' will end up overriding
4556 // 'Foo' even though the cursor location was at 'Foo'.
4557 if (BestCursor->kind == CXCursor_ObjCInterfaceDecl ||
4558 BestCursor->kind == CXCursor_ObjCClassRef)
4559 if (const ObjCInterfaceDecl *PrevID
4560 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(*BestCursor))){
4562 !PrevID->isThisDeclarationADefinition() &&
4563 !ID->isThisDeclarationADefinition())
4564 return CXChildVisit_Break;
4567 } else if (const DeclaratorDecl *DD
4568 = dyn_cast_or_null<DeclaratorDecl>(getCursorDecl(cursor))) {
4569 SourceLocation StartLoc = DD->getSourceRange().getBegin();
4570 // Check that when we have multiple declarators in the same line,
4571 // that later ones do not override the previous ones.
4574 // source ranges for both start at 'int', so 'Bar' will end up overriding
4575 // 'Foo' even though the cursor location was at 'Foo'.
4576 if (Data->VisitedDeclaratorDeclStartLoc == StartLoc)
4577 return CXChildVisit_Break;
4578 Data->VisitedDeclaratorDeclStartLoc = StartLoc;
4580 } else if (const ObjCPropertyImplDecl *PropImp
4581 = dyn_cast_or_null<ObjCPropertyImplDecl>(getCursorDecl(cursor))) {
4583 // Check that when we have multiple @synthesize in the same line,
4584 // that later ones do not override the previous ones.
4586 // @synthesize Foo, Bar;
4587 // source ranges for both start at '@', so 'Bar' will end up overriding
4588 // 'Foo' even though the cursor location was at 'Foo'.
4589 if (Data->VisitedObjCPropertyImplDecl)
4590 return CXChildVisit_Break;
4591 Data->VisitedObjCPropertyImplDecl = true;
4595 if (clang_isExpression(cursor.kind) &&
4596 clang_isDeclaration(BestCursor->kind)) {
4597 if (const Decl *D = getCursorDecl(*BestCursor)) {
4598 // Avoid having the cursor of an expression replace the declaration cursor
4599 // when the expression source range overlaps the declaration range.
4600 // This can happen for C++ constructor expressions whose range generally
4601 // include the variable declaration, e.g.:
4602 // MyCXXClass foo; // Make sure pointing at 'foo' returns a VarDecl cursor.
4603 if (D->getLocation().isValid() && Data->TokenBeginLoc.isValid() &&
4604 D->getLocation() == Data->TokenBeginLoc)
4605 return CXChildVisit_Break;
4609 // If our current best cursor is the construction of a temporary object,
4610 // don't replace that cursor with a type reference, because we want
4611 // clang_getCursor() to point at the constructor.
4612 if (clang_isExpression(BestCursor->kind) &&
4613 isa<CXXTemporaryObjectExpr>(getCursorExpr(*BestCursor)) &&
4614 cursor.kind == CXCursor_TypeRef) {
4615 // Keep the cursor pointing at CXXTemporaryObjectExpr but also mark it
4616 // as having the actual point on the type reference.
4617 *BestCursor = getTypeRefedCallExprCursor(*BestCursor);
4618 return CXChildVisit_Recurse;
4621 // If we already have an Objective-C superclass reference, don't
4622 // update it further.
4623 if (BestCursor->kind == CXCursor_ObjCSuperClassRef)
4624 return CXChildVisit_Break;
4626 *BestCursor = cursor;
4627 return CXChildVisit_Recurse;
4630 CXCursor clang_getCursor(CXTranslationUnit TU, CXSourceLocation Loc) {
4631 if (isNotUsableTU(TU)) {
4633 return clang_getNullCursor();
4636 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4637 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
4639 SourceLocation SLoc = cxloc::translateSourceLocation(Loc);
4640 CXCursor Result = cxcursor::getCursor(TU, SLoc);
4644 unsigned SearchLine, SearchColumn;
4646 unsigned ResultLine, ResultColumn;
4647 CXString SearchFileName, ResultFileName, KindSpelling, USR;
4648 const char *IsDef = clang_isCursorDefinition(Result)? " (Definition)" : "";
4649 CXSourceLocation ResultLoc = clang_getCursorLocation(Result);
4651 clang_getFileLocation(Loc, &SearchFile, &SearchLine, &SearchColumn,
4653 clang_getFileLocation(ResultLoc, &ResultFile, &ResultLine,
4654 &ResultColumn, nullptr);
4655 SearchFileName = clang_getFileName(SearchFile);
4656 ResultFileName = clang_getFileName(ResultFile);
4657 KindSpelling = clang_getCursorKindSpelling(Result.kind);
4658 USR = clang_getCursorUSR(Result);
4659 *Log << llvm::format("(%s:%d:%d) = %s",
4660 clang_getCString(SearchFileName), SearchLine, SearchColumn,
4661 clang_getCString(KindSpelling))
4662 << llvm::format("(%s:%d:%d):%s%s",
4663 clang_getCString(ResultFileName), ResultLine, ResultColumn,
4664 clang_getCString(USR), IsDef);
4665 clang_disposeString(SearchFileName);
4666 clang_disposeString(ResultFileName);
4667 clang_disposeString(KindSpelling);
4668 clang_disposeString(USR);
4670 CXCursor Definition = clang_getCursorDefinition(Result);
4671 if (!clang_equalCursors(Definition, clang_getNullCursor())) {
4672 CXSourceLocation DefinitionLoc = clang_getCursorLocation(Definition);
4673 CXString DefinitionKindSpelling
4674 = clang_getCursorKindSpelling(Definition.kind);
4675 CXFile DefinitionFile;
4676 unsigned DefinitionLine, DefinitionColumn;
4677 clang_getFileLocation(DefinitionLoc, &DefinitionFile,
4678 &DefinitionLine, &DefinitionColumn, nullptr);
4679 CXString DefinitionFileName = clang_getFileName(DefinitionFile);
4680 *Log << llvm::format(" -> %s(%s:%d:%d)",
4681 clang_getCString(DefinitionKindSpelling),
4682 clang_getCString(DefinitionFileName),
4683 DefinitionLine, DefinitionColumn);
4684 clang_disposeString(DefinitionFileName);
4685 clang_disposeString(DefinitionKindSpelling);
4692 CXCursor clang_getNullCursor(void) {
4693 return MakeCXCursorInvalid(CXCursor_InvalidFile);
4696 unsigned clang_equalCursors(CXCursor X, CXCursor Y) {
4697 // Clear out the "FirstInDeclGroup" part in a declaration cursor, since we
4698 // can't set consistently. For example, when visiting a DeclStmt we will set
4699 // it but we don't set it on the result of clang_getCursorDefinition for
4700 // a reference of the same declaration.
4701 // FIXME: Setting "FirstInDeclGroup" in CXCursors is a hack that only works
4702 // when visiting a DeclStmt currently, the AST should be enhanced to be able
4703 // to provide that kind of info.
4704 if (clang_isDeclaration(X.kind))
4705 X.data[1] = nullptr;
4706 if (clang_isDeclaration(Y.kind))
4707 Y.data[1] = nullptr;
4712 unsigned clang_hashCursor(CXCursor C) {
4714 if (clang_isExpression(C.kind) || clang_isStatement(C.kind))
4717 return llvm::DenseMapInfo<std::pair<unsigned, const void*> >::getHashValue(
4718 std::make_pair(C.kind, C.data[Index]));
4721 unsigned clang_isInvalid(enum CXCursorKind K) {
4722 return K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid;
4725 unsigned clang_isDeclaration(enum CXCursorKind K) {
4726 return (K >= CXCursor_FirstDecl && K <= CXCursor_LastDecl) ||
4727 (K >= CXCursor_FirstExtraDecl && K <= CXCursor_LastExtraDecl);
4730 unsigned clang_isReference(enum CXCursorKind K) {
4731 return K >= CXCursor_FirstRef && K <= CXCursor_LastRef;
4734 unsigned clang_isExpression(enum CXCursorKind K) {
4735 return K >= CXCursor_FirstExpr && K <= CXCursor_LastExpr;
4738 unsigned clang_isStatement(enum CXCursorKind K) {
4739 return K >= CXCursor_FirstStmt && K <= CXCursor_LastStmt;
4742 unsigned clang_isAttribute(enum CXCursorKind K) {
4743 return K >= CXCursor_FirstAttr && K <= CXCursor_LastAttr;
4746 unsigned clang_isTranslationUnit(enum CXCursorKind K) {
4747 return K == CXCursor_TranslationUnit;
4750 unsigned clang_isPreprocessing(enum CXCursorKind K) {
4751 return K >= CXCursor_FirstPreprocessing && K <= CXCursor_LastPreprocessing;
4754 unsigned clang_isUnexposed(enum CXCursorKind K) {
4756 case CXCursor_UnexposedDecl:
4757 case CXCursor_UnexposedExpr:
4758 case CXCursor_UnexposedStmt:
4759 case CXCursor_UnexposedAttr:
4766 CXCursorKind clang_getCursorKind(CXCursor C) {
4770 CXSourceLocation clang_getCursorLocation(CXCursor C) {
4771 if (clang_isReference(C.kind)) {
4773 case CXCursor_ObjCSuperClassRef: {
4774 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
4775 = getCursorObjCSuperClassRef(C);
4776 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4779 case CXCursor_ObjCProtocolRef: {
4780 std::pair<const ObjCProtocolDecl *, SourceLocation> P
4781 = getCursorObjCProtocolRef(C);
4782 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4785 case CXCursor_ObjCClassRef: {
4786 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
4787 = getCursorObjCClassRef(C);
4788 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4791 case CXCursor_TypeRef: {
4792 std::pair<const TypeDecl *, SourceLocation> P = getCursorTypeRef(C);
4793 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4796 case CXCursor_TemplateRef: {
4797 std::pair<const TemplateDecl *, SourceLocation> P =
4798 getCursorTemplateRef(C);
4799 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4802 case CXCursor_NamespaceRef: {
4803 std::pair<const NamedDecl *, SourceLocation> P = getCursorNamespaceRef(C);
4804 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4807 case CXCursor_MemberRef: {
4808 std::pair<const FieldDecl *, SourceLocation> P = getCursorMemberRef(C);
4809 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4812 case CXCursor_VariableRef: {
4813 std::pair<const VarDecl *, SourceLocation> P = getCursorVariableRef(C);
4814 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4817 case CXCursor_CXXBaseSpecifier: {
4818 const CXXBaseSpecifier *BaseSpec = getCursorCXXBaseSpecifier(C);
4820 return clang_getNullLocation();
4822 if (TypeSourceInfo *TSInfo = BaseSpec->getTypeSourceInfo())
4823 return cxloc::translateSourceLocation(getCursorContext(C),
4824 TSInfo->getTypeLoc().getBeginLoc());
4826 return cxloc::translateSourceLocation(getCursorContext(C),
4827 BaseSpec->getLocStart());
4830 case CXCursor_LabelRef: {
4831 std::pair<const LabelStmt *, SourceLocation> P = getCursorLabelRef(C);
4832 return cxloc::translateSourceLocation(getCursorContext(C), P.second);
4835 case CXCursor_OverloadedDeclRef:
4836 return cxloc::translateSourceLocation(getCursorContext(C),
4837 getCursorOverloadedDeclRef(C).second);
4840 // FIXME: Need a way to enumerate all non-reference cases.
4841 llvm_unreachable("Missed a reference kind");
4845 if (clang_isExpression(C.kind))
4846 return cxloc::translateSourceLocation(getCursorContext(C),
4847 getLocationFromExpr(getCursorExpr(C)));
4849 if (clang_isStatement(C.kind))
4850 return cxloc::translateSourceLocation(getCursorContext(C),
4851 getCursorStmt(C)->getLocStart());
4853 if (C.kind == CXCursor_PreprocessingDirective) {
4854 SourceLocation L = cxcursor::getCursorPreprocessingDirective(C).getBegin();
4855 return cxloc::translateSourceLocation(getCursorContext(C), L);
4858 if (C.kind == CXCursor_MacroExpansion) {
4860 = cxcursor::getCursorMacroExpansion(C).getSourceRange().getBegin();
4861 return cxloc::translateSourceLocation(getCursorContext(C), L);
4864 if (C.kind == CXCursor_MacroDefinition) {
4865 SourceLocation L = cxcursor::getCursorMacroDefinition(C)->getLocation();
4866 return cxloc::translateSourceLocation(getCursorContext(C), L);
4869 if (C.kind == CXCursor_InclusionDirective) {
4871 = cxcursor::getCursorInclusionDirective(C)->getSourceRange().getBegin();
4872 return cxloc::translateSourceLocation(getCursorContext(C), L);
4875 if (clang_isAttribute(C.kind)) {
4877 = cxcursor::getCursorAttr(C)->getLocation();
4878 return cxloc::translateSourceLocation(getCursorContext(C), L);
4881 if (!clang_isDeclaration(C.kind))
4882 return clang_getNullLocation();
4884 const Decl *D = getCursorDecl(C);
4886 return clang_getNullLocation();
4888 SourceLocation Loc = D->getLocation();
4889 // FIXME: Multiple variables declared in a single declaration
4890 // currently lack the information needed to correctly determine their
4891 // ranges when accounting for the type-specifier. We use context
4892 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
4893 // and if so, whether it is the first decl.
4894 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
4895 if (!cxcursor::isFirstInDeclGroup(C))
4896 Loc = VD->getLocation();
4899 // For ObjC methods, give the start location of the method name.
4900 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
4901 Loc = MD->getSelectorStartLoc();
4903 return cxloc::translateSourceLocation(getCursorContext(C), Loc);
4908 CXCursor cxcursor::getCursor(CXTranslationUnit TU, SourceLocation SLoc) {
4911 // Guard against an invalid SourceLocation, or we may assert in one
4912 // of the following calls.
4913 if (SLoc.isInvalid())
4914 return clang_getNullCursor();
4916 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4918 // Translate the given source location to make it point at the beginning of
4919 // the token under the cursor.
4920 SLoc = Lexer::GetBeginningOfToken(SLoc, CXXUnit->getSourceManager(),
4921 CXXUnit->getASTContext().getLangOpts());
4923 CXCursor Result = MakeCXCursorInvalid(CXCursor_NoDeclFound);
4924 if (SLoc.isValid()) {
4925 GetCursorData ResultData(CXXUnit->getSourceManager(), SLoc, Result);
4926 CursorVisitor CursorVis(TU, GetCursorVisitor, &ResultData,
4927 /*VisitPreprocessorLast=*/true,
4928 /*VisitIncludedEntities=*/false,
4929 SourceLocation(SLoc));
4930 CursorVis.visitFileRegion();
4936 static SourceRange getRawCursorExtent(CXCursor C) {
4937 if (clang_isReference(C.kind)) {
4939 case CXCursor_ObjCSuperClassRef:
4940 return getCursorObjCSuperClassRef(C).second;
4942 case CXCursor_ObjCProtocolRef:
4943 return getCursorObjCProtocolRef(C).second;
4945 case CXCursor_ObjCClassRef:
4946 return getCursorObjCClassRef(C).second;
4948 case CXCursor_TypeRef:
4949 return getCursorTypeRef(C).second;
4951 case CXCursor_TemplateRef:
4952 return getCursorTemplateRef(C).second;
4954 case CXCursor_NamespaceRef:
4955 return getCursorNamespaceRef(C).second;
4957 case CXCursor_MemberRef:
4958 return getCursorMemberRef(C).second;
4960 case CXCursor_CXXBaseSpecifier:
4961 return getCursorCXXBaseSpecifier(C)->getSourceRange();
4963 case CXCursor_LabelRef:
4964 return getCursorLabelRef(C).second;
4966 case CXCursor_OverloadedDeclRef:
4967 return getCursorOverloadedDeclRef(C).second;
4969 case CXCursor_VariableRef:
4970 return getCursorVariableRef(C).second;
4973 // FIXME: Need a way to enumerate all non-reference cases.
4974 llvm_unreachable("Missed a reference kind");
4978 if (clang_isExpression(C.kind))
4979 return getCursorExpr(C)->getSourceRange();
4981 if (clang_isStatement(C.kind))
4982 return getCursorStmt(C)->getSourceRange();
4984 if (clang_isAttribute(C.kind))
4985 return getCursorAttr(C)->getRange();
4987 if (C.kind == CXCursor_PreprocessingDirective)
4988 return cxcursor::getCursorPreprocessingDirective(C);
4990 if (C.kind == CXCursor_MacroExpansion) {
4991 ASTUnit *TU = getCursorASTUnit(C);
4992 SourceRange Range = cxcursor::getCursorMacroExpansion(C).getSourceRange();
4993 return TU->mapRangeFromPreamble(Range);
4996 if (C.kind == CXCursor_MacroDefinition) {
4997 ASTUnit *TU = getCursorASTUnit(C);
4998 SourceRange Range = cxcursor::getCursorMacroDefinition(C)->getSourceRange();
4999 return TU->mapRangeFromPreamble(Range);
5002 if (C.kind == CXCursor_InclusionDirective) {
5003 ASTUnit *TU = getCursorASTUnit(C);
5004 SourceRange Range = cxcursor::getCursorInclusionDirective(C)->getSourceRange();
5005 return TU->mapRangeFromPreamble(Range);
5008 if (C.kind == CXCursor_TranslationUnit) {
5009 ASTUnit *TU = getCursorASTUnit(C);
5010 FileID MainID = TU->getSourceManager().getMainFileID();
5011 SourceLocation Start = TU->getSourceManager().getLocForStartOfFile(MainID);
5012 SourceLocation End = TU->getSourceManager().getLocForEndOfFile(MainID);
5013 return SourceRange(Start, End);
5016 if (clang_isDeclaration(C.kind)) {
5017 const Decl *D = cxcursor::getCursorDecl(C);
5019 return SourceRange();
5021 SourceRange R = D->getSourceRange();
5022 // FIXME: Multiple variables declared in a single declaration
5023 // currently lack the information needed to correctly determine their
5024 // ranges when accounting for the type-specifier. We use context
5025 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5026 // and if so, whether it is the first decl.
5027 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5028 if (!cxcursor::isFirstInDeclGroup(C))
5029 R.setBegin(VD->getLocation());
5033 return SourceRange();
5036 /// \brief Retrieves the "raw" cursor extent, which is then extended to include
5037 /// the decl-specifier-seq for declarations.
5038 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr) {
5039 if (clang_isDeclaration(C.kind)) {
5040 const Decl *D = cxcursor::getCursorDecl(C);
5042 return SourceRange();
5044 SourceRange R = D->getSourceRange();
5046 // Adjust the start of the location for declarations preceded by
5047 // declaration specifiers.
5048 SourceLocation StartLoc;
5049 if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
5050 if (TypeSourceInfo *TI = DD->getTypeSourceInfo())
5051 StartLoc = TI->getTypeLoc().getLocStart();
5052 } else if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(D)) {
5053 if (TypeSourceInfo *TI = Typedef->getTypeSourceInfo())
5054 StartLoc = TI->getTypeLoc().getLocStart();
5057 if (StartLoc.isValid() && R.getBegin().isValid() &&
5058 SrcMgr.isBeforeInTranslationUnit(StartLoc, R.getBegin()))
5059 R.setBegin(StartLoc);
5061 // FIXME: Multiple variables declared in a single declaration
5062 // currently lack the information needed to correctly determine their
5063 // ranges when accounting for the type-specifier. We use context
5064 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5065 // and if so, whether it is the first decl.
5066 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5067 if (!cxcursor::isFirstInDeclGroup(C))
5068 R.setBegin(VD->getLocation());
5074 return getRawCursorExtent(C);
5079 CXSourceRange clang_getCursorExtent(CXCursor C) {
5080 SourceRange R = getRawCursorExtent(C);
5082 return clang_getNullRange();
5084 return cxloc::translateSourceRange(getCursorContext(C), R);
5087 CXCursor clang_getCursorReferenced(CXCursor C) {
5088 if (clang_isInvalid(C.kind))
5089 return clang_getNullCursor();
5091 CXTranslationUnit tu = getCursorTU(C);
5092 if (clang_isDeclaration(C.kind)) {
5093 const Decl *D = getCursorDecl(C);
5095 return clang_getNullCursor();
5096 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5097 return MakeCursorOverloadedDeclRef(Using, D->getLocation(), tu);
5098 if (const ObjCPropertyImplDecl *PropImpl =
5099 dyn_cast<ObjCPropertyImplDecl>(D))
5100 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
5101 return MakeCXCursor(Property, tu);
5106 if (clang_isExpression(C.kind)) {
5107 const Expr *E = getCursorExpr(C);
5108 const Decl *D = getDeclFromExpr(E);
5110 CXCursor declCursor = MakeCXCursor(D, tu);
5111 declCursor = getSelectorIdentifierCursor(getSelectorIdentifierIndex(C),
5116 if (const OverloadExpr *Ovl = dyn_cast_or_null<OverloadExpr>(E))
5117 return MakeCursorOverloadedDeclRef(Ovl, tu);
5119 return clang_getNullCursor();
5122 if (clang_isStatement(C.kind)) {
5123 const Stmt *S = getCursorStmt(C);
5124 if (const GotoStmt *Goto = dyn_cast_or_null<GotoStmt>(S))
5125 if (LabelDecl *label = Goto->getLabel())
5126 if (LabelStmt *labelS = label->getStmt())
5127 return MakeCXCursor(labelS, getCursorDecl(C), tu);
5129 return clang_getNullCursor();
5132 if (C.kind == CXCursor_MacroExpansion) {
5133 if (const MacroDefinitionRecord *Def =
5134 getCursorMacroExpansion(C).getDefinition())
5135 return MakeMacroDefinitionCursor(Def, tu);
5138 if (!clang_isReference(C.kind))
5139 return clang_getNullCursor();
5142 case CXCursor_ObjCSuperClassRef:
5143 return MakeCXCursor(getCursorObjCSuperClassRef(C).first, tu);
5145 case CXCursor_ObjCProtocolRef: {
5146 const ObjCProtocolDecl *Prot = getCursorObjCProtocolRef(C).first;
5147 if (const ObjCProtocolDecl *Def = Prot->getDefinition())
5148 return MakeCXCursor(Def, tu);
5150 return MakeCXCursor(Prot, tu);
5153 case CXCursor_ObjCClassRef: {
5154 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
5155 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5156 return MakeCXCursor(Def, tu);
5158 return MakeCXCursor(Class, tu);
5161 case CXCursor_TypeRef:
5162 return MakeCXCursor(getCursorTypeRef(C).first, tu );
5164 case CXCursor_TemplateRef:
5165 return MakeCXCursor(getCursorTemplateRef(C).first, tu );
5167 case CXCursor_NamespaceRef:
5168 return MakeCXCursor(getCursorNamespaceRef(C).first, tu );
5170 case CXCursor_MemberRef:
5171 return MakeCXCursor(getCursorMemberRef(C).first, tu );
5173 case CXCursor_CXXBaseSpecifier: {
5174 const CXXBaseSpecifier *B = cxcursor::getCursorCXXBaseSpecifier(C);
5175 return clang_getTypeDeclaration(cxtype::MakeCXType(B->getType(),
5179 case CXCursor_LabelRef:
5180 // FIXME: We end up faking the "parent" declaration here because we
5181 // don't want to make CXCursor larger.
5182 return MakeCXCursor(getCursorLabelRef(C).first,
5183 cxtu::getASTUnit(tu)->getASTContext()
5184 .getTranslationUnitDecl(),
5187 case CXCursor_OverloadedDeclRef:
5190 case CXCursor_VariableRef:
5191 return MakeCXCursor(getCursorVariableRef(C).first, tu);
5194 // We would prefer to enumerate all non-reference cursor kinds here.
5195 llvm_unreachable("Unhandled reference cursor kind");
5199 CXCursor clang_getCursorDefinition(CXCursor C) {
5200 if (clang_isInvalid(C.kind))
5201 return clang_getNullCursor();
5203 CXTranslationUnit TU = getCursorTU(C);
5205 bool WasReference = false;
5206 if (clang_isReference(C.kind) || clang_isExpression(C.kind)) {
5207 C = clang_getCursorReferenced(C);
5208 WasReference = true;
5211 if (C.kind == CXCursor_MacroExpansion)
5212 return clang_getCursorReferenced(C);
5214 if (!clang_isDeclaration(C.kind))
5215 return clang_getNullCursor();
5217 const Decl *D = getCursorDecl(C);
5219 return clang_getNullCursor();
5221 switch (D->getKind()) {
5222 // Declaration kinds that don't really separate the notions of
5223 // declaration and definition.
5224 case Decl::Namespace:
5226 case Decl::TypeAlias:
5227 case Decl::TypeAliasTemplate:
5228 case Decl::TemplateTypeParm:
5229 case Decl::EnumConstant:
5231 case Decl::MSProperty:
5232 case Decl::IndirectField:
5233 case Decl::ObjCIvar:
5234 case Decl::ObjCAtDefsField:
5235 case Decl::ImplicitParam:
5237 case Decl::NonTypeTemplateParm:
5238 case Decl::TemplateTemplateParm:
5239 case Decl::ObjCCategoryImpl:
5240 case Decl::ObjCImplementation:
5241 case Decl::AccessSpec:
5242 case Decl::LinkageSpec:
5243 case Decl::ObjCPropertyImpl:
5244 case Decl::FileScopeAsm:
5245 case Decl::StaticAssert:
5247 case Decl::Captured:
5248 case Decl::Label: // FIXME: Is this right??
5249 case Decl::ClassScopeFunctionSpecialization:
5251 case Decl::OMPThreadPrivate:
5252 case Decl::ObjCTypeParam:
5253 case Decl::BuiltinTemplate:
5256 // Declaration kinds that don't make any sense here, but are
5257 // nonetheless harmless.
5259 case Decl::TranslationUnit:
5260 case Decl::ExternCContext:
5263 // Declaration kinds for which the definition is not resolvable.
5264 case Decl::UnresolvedUsingTypename:
5265 case Decl::UnresolvedUsingValue:
5268 case Decl::UsingDirective:
5269 return MakeCXCursor(cast<UsingDirectiveDecl>(D)->getNominatedNamespace(),
5272 case Decl::NamespaceAlias:
5273 return MakeCXCursor(cast<NamespaceAliasDecl>(D)->getNamespace(), TU);
5277 case Decl::CXXRecord:
5278 case Decl::ClassTemplateSpecialization:
5279 case Decl::ClassTemplatePartialSpecialization:
5280 if (TagDecl *Def = cast<TagDecl>(D)->getDefinition())
5281 return MakeCXCursor(Def, TU);
5282 return clang_getNullCursor();
5284 case Decl::Function:
5285 case Decl::CXXMethod:
5286 case Decl::CXXConstructor:
5287 case Decl::CXXDestructor:
5288 case Decl::CXXConversion: {
5289 const FunctionDecl *Def = nullptr;
5290 if (cast<FunctionDecl>(D)->getBody(Def))
5291 return MakeCXCursor(Def, TU);
5292 return clang_getNullCursor();
5296 case Decl::VarTemplateSpecialization:
5297 case Decl::VarTemplatePartialSpecialization: {
5298 // Ask the variable if it has a definition.
5299 if (const VarDecl *Def = cast<VarDecl>(D)->getDefinition())
5300 return MakeCXCursor(Def, TU);
5301 return clang_getNullCursor();
5304 case Decl::FunctionTemplate: {
5305 const FunctionDecl *Def = nullptr;
5306 if (cast<FunctionTemplateDecl>(D)->getTemplatedDecl()->getBody(Def))
5307 return MakeCXCursor(Def->getDescribedFunctionTemplate(), TU);
5308 return clang_getNullCursor();
5311 case Decl::ClassTemplate: {
5312 if (RecordDecl *Def = cast<ClassTemplateDecl>(D)->getTemplatedDecl()
5314 return MakeCXCursor(cast<CXXRecordDecl>(Def)->getDescribedClassTemplate(),
5316 return clang_getNullCursor();
5319 case Decl::VarTemplate: {
5321 cast<VarTemplateDecl>(D)->getTemplatedDecl()->getDefinition())
5322 return MakeCXCursor(cast<VarDecl>(Def)->getDescribedVarTemplate(), TU);
5323 return clang_getNullCursor();
5327 return MakeCursorOverloadedDeclRef(cast<UsingDecl>(D),
5328 D->getLocation(), TU);
5330 case Decl::UsingShadow:
5331 return clang_getCursorDefinition(
5332 MakeCXCursor(cast<UsingShadowDecl>(D)->getTargetDecl(),
5335 case Decl::ObjCMethod: {
5336 const ObjCMethodDecl *Method = cast<ObjCMethodDecl>(D);
5337 if (Method->isThisDeclarationADefinition())
5340 // Dig out the method definition in the associated
5341 // @implementation, if we have it.
5342 // FIXME: The ASTs should make finding the definition easier.
5343 if (const ObjCInterfaceDecl *Class
5344 = dyn_cast<ObjCInterfaceDecl>(Method->getDeclContext()))
5345 if (ObjCImplementationDecl *ClassImpl = Class->getImplementation())
5346 if (ObjCMethodDecl *Def = ClassImpl->getMethod(Method->getSelector(),
5347 Method->isInstanceMethod()))
5348 if (Def->isThisDeclarationADefinition())
5349 return MakeCXCursor(Def, TU);
5351 return clang_getNullCursor();
5354 case Decl::ObjCCategory:
5355 if (ObjCCategoryImplDecl *Impl
5356 = cast<ObjCCategoryDecl>(D)->getImplementation())
5357 return MakeCXCursor(Impl, TU);
5358 return clang_getNullCursor();
5360 case Decl::ObjCProtocol:
5361 if (const ObjCProtocolDecl *Def = cast<ObjCProtocolDecl>(D)->getDefinition())
5362 return MakeCXCursor(Def, TU);
5363 return clang_getNullCursor();
5365 case Decl::ObjCInterface: {
5366 // There are two notions of a "definition" for an Objective-C
5367 // class: the interface and its implementation. When we resolved a
5368 // reference to an Objective-C class, produce the @interface as
5369 // the definition; when we were provided with the interface,
5370 // produce the @implementation as the definition.
5371 const ObjCInterfaceDecl *IFace = cast<ObjCInterfaceDecl>(D);
5373 if (const ObjCInterfaceDecl *Def = IFace->getDefinition())
5374 return MakeCXCursor(Def, TU);
5375 } else if (ObjCImplementationDecl *Impl = IFace->getImplementation())
5376 return MakeCXCursor(Impl, TU);
5377 return clang_getNullCursor();
5380 case Decl::ObjCProperty:
5381 // FIXME: We don't really know where to find the
5382 // ObjCPropertyImplDecls that implement this property.
5383 return clang_getNullCursor();
5385 case Decl::ObjCCompatibleAlias:
5386 if (const ObjCInterfaceDecl *Class
5387 = cast<ObjCCompatibleAliasDecl>(D)->getClassInterface())
5388 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5389 return MakeCXCursor(Def, TU);
5391 return clang_getNullCursor();
5394 if (NamedDecl *Friend = cast<FriendDecl>(D)->getFriendDecl())
5395 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5396 return clang_getNullCursor();
5398 case Decl::FriendTemplate:
5399 if (NamedDecl *Friend = cast<FriendTemplateDecl>(D)->getFriendDecl())
5400 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5401 return clang_getNullCursor();
5404 return clang_getNullCursor();
5407 unsigned clang_isCursorDefinition(CXCursor C) {
5408 if (!clang_isDeclaration(C.kind))
5411 return clang_getCursorDefinition(C) == C;
5414 CXCursor clang_getCanonicalCursor(CXCursor C) {
5415 if (!clang_isDeclaration(C.kind))
5418 if (const Decl *D = getCursorDecl(C)) {
5419 if (const ObjCCategoryImplDecl *CatImplD = dyn_cast<ObjCCategoryImplDecl>(D))
5420 if (ObjCCategoryDecl *CatD = CatImplD->getCategoryDecl())
5421 return MakeCXCursor(CatD, getCursorTU(C));
5423 if (const ObjCImplDecl *ImplD = dyn_cast<ObjCImplDecl>(D))
5424 if (const ObjCInterfaceDecl *IFD = ImplD->getClassInterface())
5425 return MakeCXCursor(IFD, getCursorTU(C));
5427 return MakeCXCursor(D->getCanonicalDecl(), getCursorTU(C));
5433 int clang_Cursor_getObjCSelectorIndex(CXCursor cursor) {
5434 return cxcursor::getSelectorIdentifierIndexAndLoc(cursor).first;
5437 unsigned clang_getNumOverloadedDecls(CXCursor C) {
5438 if (C.kind != CXCursor_OverloadedDeclRef)
5441 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
5442 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5443 return E->getNumDecls();
5445 if (OverloadedTemplateStorage *S
5446 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5449 const Decl *D = Storage.get<const Decl *>();
5450 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5451 return Using->shadow_size();
5456 CXCursor clang_getOverloadedDecl(CXCursor cursor, unsigned index) {
5457 if (cursor.kind != CXCursor_OverloadedDeclRef)
5458 return clang_getNullCursor();
5460 if (index >= clang_getNumOverloadedDecls(cursor))
5461 return clang_getNullCursor();
5463 CXTranslationUnit TU = getCursorTU(cursor);
5464 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(cursor).first;
5465 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5466 return MakeCXCursor(E->decls_begin()[index], TU);
5468 if (OverloadedTemplateStorage *S
5469 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5470 return MakeCXCursor(S->begin()[index], TU);
5472 const Decl *D = Storage.get<const Decl *>();
5473 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D)) {
5474 // FIXME: This is, unfortunately, linear time.
5475 UsingDecl::shadow_iterator Pos = Using->shadow_begin();
5476 std::advance(Pos, index);
5477 return MakeCXCursor(cast<UsingShadowDecl>(*Pos)->getTargetDecl(), TU);
5480 return clang_getNullCursor();
5483 void clang_getDefinitionSpellingAndExtent(CXCursor C,
5484 const char **startBuf,
5485 const char **endBuf,
5486 unsigned *startLine,
5487 unsigned *startColumn,
5489 unsigned *endColumn) {
5490 assert(getCursorDecl(C) && "CXCursor has null decl");
5491 const FunctionDecl *FD = dyn_cast<FunctionDecl>(getCursorDecl(C));
5492 CompoundStmt *Body = dyn_cast<CompoundStmt>(FD->getBody());
5494 SourceManager &SM = FD->getASTContext().getSourceManager();
5495 *startBuf = SM.getCharacterData(Body->getLBracLoc());
5496 *endBuf = SM.getCharacterData(Body->getRBracLoc());
5497 *startLine = SM.getSpellingLineNumber(Body->getLBracLoc());
5498 *startColumn = SM.getSpellingColumnNumber(Body->getLBracLoc());
5499 *endLine = SM.getSpellingLineNumber(Body->getRBracLoc());
5500 *endColumn = SM.getSpellingColumnNumber(Body->getRBracLoc());
5504 CXSourceRange clang_getCursorReferenceNameRange(CXCursor C, unsigned NameFlags,
5505 unsigned PieceIndex) {
5506 RefNamePieces Pieces;
5509 case CXCursor_MemberRefExpr:
5510 if (const MemberExpr *E = dyn_cast<MemberExpr>(getCursorExpr(C)))
5511 Pieces = buildPieces(NameFlags, true, E->getMemberNameInfo(),
5512 E->getQualifierLoc().getSourceRange());
5515 case CXCursor_DeclRefExpr:
5516 if (const DeclRefExpr *E = dyn_cast<DeclRefExpr>(getCursorExpr(C)))
5517 Pieces = buildPieces(NameFlags, false, E->getNameInfo(),
5518 E->getQualifierLoc().getSourceRange(),
5519 E->getOptionalExplicitTemplateArgs());
5522 case CXCursor_CallExpr:
5523 if (const CXXOperatorCallExpr *OCE =
5524 dyn_cast<CXXOperatorCallExpr>(getCursorExpr(C))) {
5525 const Expr *Callee = OCE->getCallee();
5526 if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Callee))
5527 Callee = ICE->getSubExpr();
5529 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Callee))
5530 Pieces = buildPieces(NameFlags, false, DRE->getNameInfo(),
5531 DRE->getQualifierLoc().getSourceRange());
5539 if (Pieces.empty()) {
5540 if (PieceIndex == 0)
5541 return clang_getCursorExtent(C);
5542 } else if (PieceIndex < Pieces.size()) {
5543 SourceRange R = Pieces[PieceIndex];
5545 return cxloc::translateSourceRange(getCursorContext(C), R);
5548 return clang_getNullRange();
5551 void clang_enableStackTraces(void) {
5552 llvm::sys::PrintStackTraceOnErrorSignal();
5555 void clang_executeOnThread(void (*fn)(void*), void *user_data,
5556 unsigned stack_size) {
5557 llvm::llvm_execute_on_thread(fn, user_data, stack_size);
5560 } // end: extern "C"
5562 //===----------------------------------------------------------------------===//
5563 // Token-based Operations.
5564 //===----------------------------------------------------------------------===//
5567 * int_data[0]: a CXTokenKind
5568 * int_data[1]: starting token location
5569 * int_data[2]: token length
5570 * int_data[3]: reserved
5571 * ptr_data: for identifiers and keywords, an IdentifierInfo*.
5576 CXTokenKind clang_getTokenKind(CXToken CXTok) {
5577 return static_cast<CXTokenKind>(CXTok.int_data[0]);
5580 CXString clang_getTokenSpelling(CXTranslationUnit TU, CXToken CXTok) {
5581 switch (clang_getTokenKind(CXTok)) {
5582 case CXToken_Identifier:
5583 case CXToken_Keyword:
5584 // We know we have an IdentifierInfo*, so use that.
5585 return cxstring::createRef(static_cast<IdentifierInfo *>(CXTok.ptr_data)
5588 case CXToken_Literal: {
5589 // We have stashed the starting pointer in the ptr_data field. Use it.
5590 const char *Text = static_cast<const char *>(CXTok.ptr_data);
5591 return cxstring::createDup(StringRef(Text, CXTok.int_data[2]));
5594 case CXToken_Punctuation:
5595 case CXToken_Comment:
5599 if (isNotUsableTU(TU)) {
5601 return cxstring::createEmpty();
5604 // We have to find the starting buffer pointer the hard way, by
5605 // deconstructing the source location.
5606 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5608 return cxstring::createEmpty();
5610 SourceLocation Loc = SourceLocation::getFromRawEncoding(CXTok.int_data[1]);
5611 std::pair<FileID, unsigned> LocInfo
5612 = CXXUnit->getSourceManager().getDecomposedSpellingLoc(Loc);
5613 bool Invalid = false;
5615 = CXXUnit->getSourceManager().getBufferData(LocInfo.first, &Invalid);
5617 return cxstring::createEmpty();
5619 return cxstring::createDup(Buffer.substr(LocInfo.second, CXTok.int_data[2]));
5622 CXSourceLocation clang_getTokenLocation(CXTranslationUnit TU, CXToken CXTok) {
5623 if (isNotUsableTU(TU)) {
5625 return clang_getNullLocation();
5628 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5630 return clang_getNullLocation();
5632 return cxloc::translateSourceLocation(CXXUnit->getASTContext(),
5633 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5636 CXSourceRange clang_getTokenExtent(CXTranslationUnit TU, CXToken CXTok) {
5637 if (isNotUsableTU(TU)) {
5639 return clang_getNullRange();
5642 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5644 return clang_getNullRange();
5646 return cxloc::translateSourceRange(CXXUnit->getASTContext(),
5647 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5650 static void getTokens(ASTUnit *CXXUnit, SourceRange Range,
5651 SmallVectorImpl<CXToken> &CXTokens) {
5652 SourceManager &SourceMgr = CXXUnit->getSourceManager();
5653 std::pair<FileID, unsigned> BeginLocInfo
5654 = SourceMgr.getDecomposedSpellingLoc(Range.getBegin());
5655 std::pair<FileID, unsigned> EndLocInfo
5656 = SourceMgr.getDecomposedSpellingLoc(Range.getEnd());
5658 // Cannot tokenize across files.
5659 if (BeginLocInfo.first != EndLocInfo.first)
5663 bool Invalid = false;
5665 = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
5669 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
5670 CXXUnit->getASTContext().getLangOpts(),
5671 Buffer.begin(), Buffer.data() + BeginLocInfo.second, Buffer.end());
5672 Lex.SetCommentRetentionState(true);
5674 // Lex tokens until we hit the end of the range.
5675 const char *EffectiveBufferEnd = Buffer.data() + EndLocInfo.second;
5677 bool previousWasAt = false;
5679 // Lex the next token
5680 Lex.LexFromRawLexer(Tok);
5681 if (Tok.is(tok::eof))
5684 // Initialize the CXToken.
5688 CXTok.int_data[1] = Tok.getLocation().getRawEncoding();
5689 CXTok.int_data[2] = Tok.getLength();
5690 CXTok.int_data[3] = 0;
5692 // - Kind-specific fields
5693 if (Tok.isLiteral()) {
5694 CXTok.int_data[0] = CXToken_Literal;
5695 CXTok.ptr_data = const_cast<char *>(Tok.getLiteralData());
5696 } else if (Tok.is(tok::raw_identifier)) {
5697 // Lookup the identifier to determine whether we have a keyword.
5699 = CXXUnit->getPreprocessor().LookUpIdentifierInfo(Tok);
5701 if ((II->getObjCKeywordID() != tok::objc_not_keyword) && previousWasAt) {
5702 CXTok.int_data[0] = CXToken_Keyword;
5705 CXTok.int_data[0] = Tok.is(tok::identifier)
5706 ? CXToken_Identifier
5709 CXTok.ptr_data = II;
5710 } else if (Tok.is(tok::comment)) {
5711 CXTok.int_data[0] = CXToken_Comment;
5712 CXTok.ptr_data = nullptr;
5714 CXTok.int_data[0] = CXToken_Punctuation;
5715 CXTok.ptr_data = nullptr;
5717 CXTokens.push_back(CXTok);
5718 previousWasAt = Tok.is(tok::at);
5719 } while (Lex.getBufferLocation() <= EffectiveBufferEnd);
5722 void clang_tokenize(CXTranslationUnit TU, CXSourceRange Range,
5723 CXToken **Tokens, unsigned *NumTokens) {
5725 *Log << TU << ' ' << Range;
5733 if (isNotUsableTU(TU)) {
5738 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5739 if (!CXXUnit || !Tokens || !NumTokens)
5742 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
5744 SourceRange R = cxloc::translateCXSourceRange(Range);
5748 SmallVector<CXToken, 32> CXTokens;
5749 getTokens(CXXUnit, R, CXTokens);
5751 if (CXTokens.empty())
5754 *Tokens = (CXToken *)malloc(sizeof(CXToken) * CXTokens.size());
5755 memmove(*Tokens, CXTokens.data(), sizeof(CXToken) * CXTokens.size());
5756 *NumTokens = CXTokens.size();
5759 void clang_disposeTokens(CXTranslationUnit TU,
5760 CXToken *Tokens, unsigned NumTokens) {
5764 } // end: extern "C"
5766 //===----------------------------------------------------------------------===//
5767 // Token annotation APIs.
5768 //===----------------------------------------------------------------------===//
5770 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
5772 CXClientData client_data);
5773 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
5774 CXClientData client_data);
5777 class AnnotateTokensWorker {
5782 unsigned PreprocessingTokIdx;
5783 CursorVisitor AnnotateVis;
5784 SourceManager &SrcMgr;
5785 bool HasContextSensitiveKeywords;
5787 struct PostChildrenInfo {
5789 SourceRange CursorRange;
5790 unsigned BeforeReachingCursorIdx;
5791 unsigned BeforeChildrenTokenIdx;
5793 SmallVector<PostChildrenInfo, 8> PostChildrenInfos;
5795 CXToken &getTok(unsigned Idx) {
5796 assert(Idx < NumTokens);
5799 const CXToken &getTok(unsigned Idx) const {
5800 assert(Idx < NumTokens);
5803 bool MoreTokens() const { return TokIdx < NumTokens; }
5804 unsigned NextToken() const { return TokIdx; }
5805 void AdvanceToken() { ++TokIdx; }
5806 SourceLocation GetTokenLoc(unsigned tokI) {
5807 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
5809 bool isFunctionMacroToken(unsigned tokI) const {
5810 return getTok(tokI).int_data[3] != 0;
5812 SourceLocation getFunctionMacroTokenLoc(unsigned tokI) const {
5813 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[3]);
5816 void annotateAndAdvanceTokens(CXCursor, RangeComparisonResult, SourceRange);
5817 bool annotateAndAdvanceFunctionMacroTokens(CXCursor, RangeComparisonResult,
5821 AnnotateTokensWorker(CXToken *tokens, CXCursor *cursors, unsigned numTokens,
5822 CXTranslationUnit TU, SourceRange RegionOfInterest)
5823 : Tokens(tokens), Cursors(cursors),
5824 NumTokens(numTokens), TokIdx(0), PreprocessingTokIdx(0),
5826 AnnotateTokensVisitor, this,
5827 /*VisitPreprocessorLast=*/true,
5828 /*VisitIncludedEntities=*/false,
5830 /*VisitDeclsOnly=*/false,
5831 AnnotateTokensPostChildrenVisitor),
5832 SrcMgr(cxtu::getASTUnit(TU)->getSourceManager()),
5833 HasContextSensitiveKeywords(false) { }
5835 void VisitChildren(CXCursor C) { AnnotateVis.VisitChildren(C); }
5836 enum CXChildVisitResult Visit(CXCursor cursor, CXCursor parent);
5837 bool postVisitChildren(CXCursor cursor);
5838 void AnnotateTokens();
5840 /// \brief Determine whether the annotator saw any cursors that have
5841 /// context-sensitive keywords.
5842 bool hasContextSensitiveKeywords() const {
5843 return HasContextSensitiveKeywords;
5846 ~AnnotateTokensWorker() {
5847 assert(PostChildrenInfos.empty());
5852 void AnnotateTokensWorker::AnnotateTokens() {
5853 // Walk the AST within the region of interest, annotating tokens
5855 AnnotateVis.visitFileRegion();
5858 static inline void updateCursorAnnotation(CXCursor &Cursor,
5859 const CXCursor &updateC) {
5860 if (clang_isInvalid(updateC.kind) || !clang_isInvalid(Cursor.kind))
5865 /// \brief It annotates and advances tokens with a cursor until the comparison
5866 //// between the cursor location and the source range is the same as
5867 /// \arg compResult.
5869 /// Pass RangeBefore to annotate tokens with a cursor until a range is reached.
5870 /// Pass RangeOverlap to annotate tokens inside a range.
5871 void AnnotateTokensWorker::annotateAndAdvanceTokens(CXCursor updateC,
5872 RangeComparisonResult compResult,
5873 SourceRange range) {
5874 while (MoreTokens()) {
5875 const unsigned I = NextToken();
5876 if (isFunctionMacroToken(I))
5877 if (!annotateAndAdvanceFunctionMacroTokens(updateC, compResult, range))
5880 SourceLocation TokLoc = GetTokenLoc(I);
5881 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
5882 updateCursorAnnotation(Cursors[I], updateC);
5890 /// \brief Special annotation handling for macro argument tokens.
5891 /// \returns true if it advanced beyond all macro tokens, false otherwise.
5892 bool AnnotateTokensWorker::annotateAndAdvanceFunctionMacroTokens(
5894 RangeComparisonResult compResult,
5895 SourceRange range) {
5896 assert(MoreTokens());
5897 assert(isFunctionMacroToken(NextToken()) &&
5898 "Should be called only for macro arg tokens");
5900 // This works differently than annotateAndAdvanceTokens; because expanded
5901 // macro arguments can have arbitrary translation-unit source order, we do not
5902 // advance the token index one by one until a token fails the range test.
5903 // We only advance once past all of the macro arg tokens if all of them
5904 // pass the range test. If one of them fails we keep the token index pointing
5905 // at the start of the macro arg tokens so that the failing token will be
5906 // annotated by a subsequent annotation try.
5908 bool atLeastOneCompFail = false;
5910 unsigned I = NextToken();
5911 for (; I < NumTokens && isFunctionMacroToken(I); ++I) {
5912 SourceLocation TokLoc = getFunctionMacroTokenLoc(I);
5913 if (TokLoc.isFileID())
5914 continue; // not macro arg token, it's parens or comma.
5915 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
5916 if (clang_isInvalid(clang_getCursorKind(Cursors[I])))
5917 Cursors[I] = updateC;
5919 atLeastOneCompFail = true;
5922 if (atLeastOneCompFail)
5925 TokIdx = I; // All of the tokens were handled, advance beyond all of them.
5929 enum CXChildVisitResult
5930 AnnotateTokensWorker::Visit(CXCursor cursor, CXCursor parent) {
5931 SourceRange cursorRange = getRawCursorExtent(cursor);
5932 if (cursorRange.isInvalid())
5933 return CXChildVisit_Recurse;
5935 if (!HasContextSensitiveKeywords) {
5936 // Objective-C properties can have context-sensitive keywords.
5937 if (cursor.kind == CXCursor_ObjCPropertyDecl) {
5938 if (const ObjCPropertyDecl *Property
5939 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(cursor)))
5940 HasContextSensitiveKeywords = Property->getPropertyAttributesAsWritten() != 0;
5942 // Objective-C methods can have context-sensitive keywords.
5943 else if (cursor.kind == CXCursor_ObjCInstanceMethodDecl ||
5944 cursor.kind == CXCursor_ObjCClassMethodDecl) {
5945 if (const ObjCMethodDecl *Method
5946 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
5947 if (Method->getObjCDeclQualifier())
5948 HasContextSensitiveKeywords = true;
5950 for (const auto *P : Method->params()) {
5951 if (P->getObjCDeclQualifier()) {
5952 HasContextSensitiveKeywords = true;
5959 // C++ methods can have context-sensitive keywords.
5960 else if (cursor.kind == CXCursor_CXXMethod) {
5961 if (const CXXMethodDecl *Method
5962 = dyn_cast_or_null<CXXMethodDecl>(getCursorDecl(cursor))) {
5963 if (Method->hasAttr<FinalAttr>() || Method->hasAttr<OverrideAttr>())
5964 HasContextSensitiveKeywords = true;
5967 // C++ classes can have context-sensitive keywords.
5968 else if (cursor.kind == CXCursor_StructDecl ||
5969 cursor.kind == CXCursor_ClassDecl ||
5970 cursor.kind == CXCursor_ClassTemplate ||
5971 cursor.kind == CXCursor_ClassTemplatePartialSpecialization) {
5972 if (const Decl *D = getCursorDecl(cursor))
5973 if (D->hasAttr<FinalAttr>())
5974 HasContextSensitiveKeywords = true;
5978 // Don't override a property annotation with its getter/setter method.
5979 if (cursor.kind == CXCursor_ObjCInstanceMethodDecl &&
5980 parent.kind == CXCursor_ObjCPropertyDecl)
5981 return CXChildVisit_Continue;
5983 if (clang_isPreprocessing(cursor.kind)) {
5984 // Items in the preprocessing record are kept separate from items in
5985 // declarations, so we keep a separate token index.
5986 unsigned SavedTokIdx = TokIdx;
5987 TokIdx = PreprocessingTokIdx;
5989 // Skip tokens up until we catch up to the beginning of the preprocessing
5991 while (MoreTokens()) {
5992 const unsigned I = NextToken();
5993 SourceLocation TokLoc = GetTokenLoc(I);
5994 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
6005 // Look at all of the tokens within this range.
6006 while (MoreTokens()) {
6007 const unsigned I = NextToken();
6008 SourceLocation TokLoc = GetTokenLoc(I);
6009 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
6011 llvm_unreachable("Infeasible");
6015 // For macro expansions, just note where the beginning of the macro
6016 // expansion occurs.
6017 if (cursor.kind == CXCursor_MacroExpansion) {
6018 if (TokLoc == cursorRange.getBegin())
6019 Cursors[I] = cursor;
6023 // We may have already annotated macro names inside macro definitions.
6024 if (Cursors[I].kind != CXCursor_MacroExpansion)
6025 Cursors[I] = cursor;
6032 // Save the preprocessing token index; restore the non-preprocessing
6034 PreprocessingTokIdx = TokIdx;
6035 TokIdx = SavedTokIdx;
6036 return CXChildVisit_Recurse;
6039 if (cursorRange.isInvalid())
6040 return CXChildVisit_Continue;
6042 unsigned BeforeReachingCursorIdx = NextToken();
6043 const enum CXCursorKind cursorK = clang_getCursorKind(cursor);
6044 const enum CXCursorKind K = clang_getCursorKind(parent);
6045 const CXCursor updateC =
6046 (clang_isInvalid(K) || K == CXCursor_TranslationUnit ||
6047 // Attributes are annotated out-of-order, skip tokens until we reach it.
6048 clang_isAttribute(cursor.kind))
6049 ? clang_getNullCursor() : parent;
6051 annotateAndAdvanceTokens(updateC, RangeBefore, cursorRange);
6053 // Avoid having the cursor of an expression "overwrite" the annotation of the
6054 // variable declaration that it belongs to.
6055 // This can happen for C++ constructor expressions whose range generally
6056 // include the variable declaration, e.g.:
6057 // MyCXXClass foo; // Make sure we don't annotate 'foo' as a CallExpr cursor.
6058 if (clang_isExpression(cursorK) && MoreTokens()) {
6059 const Expr *E = getCursorExpr(cursor);
6060 if (const Decl *D = getCursorParentDecl(cursor)) {
6061 const unsigned I = NextToken();
6062 if (E->getLocStart().isValid() && D->getLocation().isValid() &&
6063 E->getLocStart() == D->getLocation() &&
6064 E->getLocStart() == GetTokenLoc(I)) {
6065 updateCursorAnnotation(Cursors[I], updateC);
6071 // Before recursing into the children keep some state that we are going
6072 // to use in the AnnotateTokensWorker::postVisitChildren callback to do some
6073 // extra work after the child nodes are visited.
6074 // Note that we don't call VisitChildren here to avoid traversing statements
6075 // code-recursively which can blow the stack.
6077 PostChildrenInfo Info;
6078 Info.Cursor = cursor;
6079 Info.CursorRange = cursorRange;
6080 Info.BeforeReachingCursorIdx = BeforeReachingCursorIdx;
6081 Info.BeforeChildrenTokenIdx = NextToken();
6082 PostChildrenInfos.push_back(Info);
6084 return CXChildVisit_Recurse;
6087 bool AnnotateTokensWorker::postVisitChildren(CXCursor cursor) {
6088 if (PostChildrenInfos.empty())
6090 const PostChildrenInfo &Info = PostChildrenInfos.back();
6091 if (!clang_equalCursors(Info.Cursor, cursor))
6094 const unsigned BeforeChildren = Info.BeforeChildrenTokenIdx;
6095 const unsigned AfterChildren = NextToken();
6096 SourceRange cursorRange = Info.CursorRange;
6098 // Scan the tokens that are at the end of the cursor, but are not captured
6099 // but the child cursors.
6100 annotateAndAdvanceTokens(cursor, RangeOverlap, cursorRange);
6102 // Scan the tokens that are at the beginning of the cursor, but are not
6103 // capture by the child cursors.
6104 for (unsigned I = BeforeChildren; I != AfterChildren; ++I) {
6105 if (!clang_isInvalid(clang_getCursorKind(Cursors[I])))
6108 Cursors[I] = cursor;
6111 // Attributes are annotated out-of-order, rewind TokIdx to when we first
6112 // encountered the attribute cursor.
6113 if (clang_isAttribute(cursor.kind))
6114 TokIdx = Info.BeforeReachingCursorIdx;
6116 PostChildrenInfos.pop_back();
6120 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
6122 CXClientData client_data) {
6123 return static_cast<AnnotateTokensWorker*>(client_data)->Visit(cursor, parent);
6126 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
6127 CXClientData client_data) {
6128 return static_cast<AnnotateTokensWorker*>(client_data)->
6129 postVisitChildren(cursor);
6134 /// \brief Uses the macro expansions in the preprocessing record to find
6135 /// and mark tokens that are macro arguments. This info is used by the
6136 /// AnnotateTokensWorker.
6137 class MarkMacroArgTokensVisitor {
6144 MarkMacroArgTokensVisitor(SourceManager &SM,
6145 CXToken *tokens, unsigned numTokens)
6146 : SM(SM), Tokens(tokens), NumTokens(numTokens), CurIdx(0) { }
6148 CXChildVisitResult visit(CXCursor cursor, CXCursor parent) {
6149 if (cursor.kind != CXCursor_MacroExpansion)
6150 return CXChildVisit_Continue;
6152 SourceRange macroRange = getCursorMacroExpansion(cursor).getSourceRange();
6153 if (macroRange.getBegin() == macroRange.getEnd())
6154 return CXChildVisit_Continue; // it's not a function macro.
6156 for (; CurIdx < NumTokens; ++CurIdx) {
6157 if (!SM.isBeforeInTranslationUnit(getTokenLoc(CurIdx),
6158 macroRange.getBegin()))
6162 if (CurIdx == NumTokens)
6163 return CXChildVisit_Break;
6165 for (; CurIdx < NumTokens; ++CurIdx) {
6166 SourceLocation tokLoc = getTokenLoc(CurIdx);
6167 if (!SM.isBeforeInTranslationUnit(tokLoc, macroRange.getEnd()))
6170 setFunctionMacroTokenLoc(CurIdx, SM.getMacroArgExpandedLocation(tokLoc));
6173 if (CurIdx == NumTokens)
6174 return CXChildVisit_Break;
6176 return CXChildVisit_Continue;
6180 CXToken &getTok(unsigned Idx) {
6181 assert(Idx < NumTokens);
6184 const CXToken &getTok(unsigned Idx) const {
6185 assert(Idx < NumTokens);
6189 SourceLocation getTokenLoc(unsigned tokI) {
6190 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
6193 void setFunctionMacroTokenLoc(unsigned tokI, SourceLocation loc) {
6194 // The third field is reserved and currently not used. Use it here
6195 // to mark macro arg expanded tokens with their expanded locations.
6196 getTok(tokI).int_data[3] = loc.getRawEncoding();
6200 } // end anonymous namespace
6202 static CXChildVisitResult
6203 MarkMacroArgTokensVisitorDelegate(CXCursor cursor, CXCursor parent,
6204 CXClientData client_data) {
6205 return static_cast<MarkMacroArgTokensVisitor*>(client_data)->visit(cursor,
6209 /// \brief Used by \c annotatePreprocessorTokens.
6210 /// \returns true if lexing was finished, false otherwise.
6211 static bool lexNext(Lexer &Lex, Token &Tok,
6212 unsigned &NextIdx, unsigned NumTokens) {
6213 if (NextIdx >= NumTokens)
6217 Lex.LexFromRawLexer(Tok);
6218 if (Tok.is(tok::eof))
6224 static void annotatePreprocessorTokens(CXTranslationUnit TU,
6225 SourceRange RegionOfInterest,
6228 unsigned NumTokens) {
6229 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6231 Preprocessor &PP = CXXUnit->getPreprocessor();
6232 SourceManager &SourceMgr = CXXUnit->getSourceManager();
6233 std::pair<FileID, unsigned> BeginLocInfo
6234 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getBegin());
6235 std::pair<FileID, unsigned> EndLocInfo
6236 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getEnd());
6238 if (BeginLocInfo.first != EndLocInfo.first)
6242 bool Invalid = false;
6243 Buffer = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
6244 if (Buffer.empty() || Invalid)
6247 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
6248 CXXUnit->getASTContext().getLangOpts(),
6249 Buffer.begin(), Buffer.data() + BeginLocInfo.second,
6251 Lex.SetCommentRetentionState(true);
6253 unsigned NextIdx = 0;
6254 // Lex tokens in raw mode until we hit the end of the range, to avoid
6255 // entering #includes or expanding macros.
6258 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6260 unsigned TokIdx = NextIdx-1;
6261 assert(Tok.getLocation() ==
6262 SourceLocation::getFromRawEncoding(Tokens[TokIdx].int_data[1]));
6265 if (Tok.is(tok::hash) && Tok.isAtStartOfLine()) {
6266 // We have found a preprocessing directive. Annotate the tokens
6269 // FIXME: Some simple tests here could identify macro definitions and
6270 // #undefs, to provide specific cursor kinds for those.
6272 SourceLocation BeginLoc = Tok.getLocation();
6273 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6276 MacroInfo *MI = nullptr;
6277 if (Tok.is(tok::raw_identifier) && Tok.getRawIdentifier() == "define") {
6278 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6281 if (Tok.is(tok::raw_identifier)) {
6282 IdentifierInfo &II =
6283 PP.getIdentifierTable().get(Tok.getRawIdentifier());
6284 SourceLocation MappedTokLoc =
6285 CXXUnit->mapLocationToPreamble(Tok.getLocation());
6286 MI = getMacroInfo(II, MappedTokLoc, TU);
6290 bool finished = false;
6292 if (lexNext(Lex, Tok, NextIdx, NumTokens)) {
6296 // If we are in a macro definition, check if the token was ever a
6297 // macro name and annotate it if that's the case.
6299 SourceLocation SaveLoc = Tok.getLocation();
6300 Tok.setLocation(CXXUnit->mapLocationToPreamble(SaveLoc));
6301 MacroDefinitionRecord *MacroDef =
6302 checkForMacroInMacroDefinition(MI, Tok, TU);
6303 Tok.setLocation(SaveLoc);
6305 Cursors[NextIdx - 1] =
6306 MakeMacroExpansionCursor(MacroDef, Tok.getLocation(), TU);
6308 } while (!Tok.isAtStartOfLine());
6310 unsigned LastIdx = finished ? NextIdx-1 : NextIdx-2;
6311 assert(TokIdx <= LastIdx);
6312 SourceLocation EndLoc =
6313 SourceLocation::getFromRawEncoding(Tokens[LastIdx].int_data[1]);
6315 MakePreprocessingDirectiveCursor(SourceRange(BeginLoc, EndLoc), TU);
6317 for (; TokIdx <= LastIdx; ++TokIdx)
6318 updateCursorAnnotation(Cursors[TokIdx], Cursor);
6327 // This gets run a separate thread to avoid stack blowout.
6328 static void clang_annotateTokensImpl(CXTranslationUnit TU, ASTUnit *CXXUnit,
6329 CXToken *Tokens, unsigned NumTokens,
6330 CXCursor *Cursors) {
6331 CIndexer *CXXIdx = TU->CIdx;
6332 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
6333 setThreadBackgroundPriority();
6335 // Determine the region of interest, which contains all of the tokens.
6336 SourceRange RegionOfInterest;
6337 RegionOfInterest.setBegin(
6338 cxloc::translateSourceLocation(clang_getTokenLocation(TU, Tokens[0])));
6339 RegionOfInterest.setEnd(
6340 cxloc::translateSourceLocation(clang_getTokenLocation(TU,
6341 Tokens[NumTokens-1])));
6343 // Relex the tokens within the source range to look for preprocessing
6345 annotatePreprocessorTokens(TU, RegionOfInterest, Cursors, Tokens, NumTokens);
6347 // If begin location points inside a macro argument, set it to the expansion
6348 // location so we can have the full context when annotating semantically.
6350 SourceManager &SM = CXXUnit->getSourceManager();
6351 SourceLocation Loc =
6352 SM.getMacroArgExpandedLocation(RegionOfInterest.getBegin());
6353 if (Loc.isMacroID())
6354 RegionOfInterest.setBegin(SM.getExpansionLoc(Loc));
6357 if (CXXUnit->getPreprocessor().getPreprocessingRecord()) {
6358 // Search and mark tokens that are macro argument expansions.
6359 MarkMacroArgTokensVisitor Visitor(CXXUnit->getSourceManager(),
6361 CursorVisitor MacroArgMarker(TU,
6362 MarkMacroArgTokensVisitorDelegate, &Visitor,
6363 /*VisitPreprocessorLast=*/true,
6364 /*VisitIncludedEntities=*/false,
6366 MacroArgMarker.visitPreprocessedEntitiesInRegion();
6369 // Annotate all of the source locations in the region of interest that map to
6370 // a specific cursor.
6371 AnnotateTokensWorker W(Tokens, Cursors, NumTokens, TU, RegionOfInterest);
6373 // FIXME: We use a ridiculous stack size here because the data-recursion
6374 // algorithm uses a large stack frame than the non-data recursive version,
6375 // and AnnotationTokensWorker currently transforms the data-recursion
6376 // algorithm back into a traditional recursion by explicitly calling
6377 // VisitChildren(). We will need to remove this explicit recursive call.
6380 // If we ran into any entities that involve context-sensitive keywords,
6381 // take another pass through the tokens to mark them as such.
6382 if (W.hasContextSensitiveKeywords()) {
6383 for (unsigned I = 0; I != NumTokens; ++I) {
6384 if (clang_getTokenKind(Tokens[I]) != CXToken_Identifier)
6387 if (Cursors[I].kind == CXCursor_ObjCPropertyDecl) {
6388 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6389 if (const ObjCPropertyDecl *Property
6390 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(Cursors[I]))) {
6391 if (Property->getPropertyAttributesAsWritten() != 0 &&
6392 llvm::StringSwitch<bool>(II->getName())
6393 .Case("readonly", true)
6394 .Case("assign", true)
6395 .Case("unsafe_unretained", true)
6396 .Case("readwrite", true)
6397 .Case("retain", true)
6399 .Case("nonatomic", true)
6400 .Case("atomic", true)
6401 .Case("getter", true)
6402 .Case("setter", true)
6403 .Case("strong", true)
6406 Tokens[I].int_data[0] = CXToken_Keyword;
6411 if (Cursors[I].kind == CXCursor_ObjCInstanceMethodDecl ||
6412 Cursors[I].kind == CXCursor_ObjCClassMethodDecl) {
6413 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6414 if (llvm::StringSwitch<bool>(II->getName())
6417 .Case("inout", true)
6418 .Case("oneway", true)
6419 .Case("bycopy", true)
6420 .Case("byref", true)
6422 Tokens[I].int_data[0] = CXToken_Keyword;
6426 if (Cursors[I].kind == CXCursor_CXXFinalAttr ||
6427 Cursors[I].kind == CXCursor_CXXOverrideAttr) {
6428 Tokens[I].int_data[0] = CXToken_Keyword;
6437 void clang_annotateTokens(CXTranslationUnit TU,
6438 CXToken *Tokens, unsigned NumTokens,
6439 CXCursor *Cursors) {
6440 if (isNotUsableTU(TU)) {
6444 if (NumTokens == 0 || !Tokens || !Cursors) {
6445 LOG_FUNC_SECTION { *Log << "<null input>"; }
6451 CXSourceLocation bloc = clang_getTokenLocation(TU, Tokens[0]);
6452 CXSourceLocation eloc = clang_getTokenLocation(TU, Tokens[NumTokens-1]);
6453 *Log << clang_getRange(bloc, eloc);
6456 // Any token we don't specifically annotate will have a NULL cursor.
6457 CXCursor C = clang_getNullCursor();
6458 for (unsigned I = 0; I != NumTokens; ++I)
6461 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6465 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
6467 auto AnnotateTokensImpl = [=]() {
6468 clang_annotateTokensImpl(TU, CXXUnit, Tokens, NumTokens, Cursors);
6470 llvm::CrashRecoveryContext CRC;
6471 if (!RunSafely(CRC, AnnotateTokensImpl, GetSafetyThreadStackSize() * 2)) {
6472 fprintf(stderr, "libclang: crash detected while annotating tokens\n");
6476 } // end: extern "C"
6478 //===----------------------------------------------------------------------===//
6479 // Operations for querying linkage of a cursor.
6480 //===----------------------------------------------------------------------===//
6483 CXLinkageKind clang_getCursorLinkage(CXCursor cursor) {
6484 if (!clang_isDeclaration(cursor.kind))
6485 return CXLinkage_Invalid;
6487 const Decl *D = cxcursor::getCursorDecl(cursor);
6488 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6489 switch (ND->getLinkageInternal()) {
6491 case VisibleNoLinkage: return CXLinkage_NoLinkage;
6492 case InternalLinkage: return CXLinkage_Internal;
6493 case UniqueExternalLinkage: return CXLinkage_UniqueExternal;
6494 case ExternalLinkage: return CXLinkage_External;
6497 return CXLinkage_Invalid;
6499 } // end: extern "C"
6501 //===----------------------------------------------------------------------===//
6502 // Operations for querying visibility of a cursor.
6503 //===----------------------------------------------------------------------===//
6506 CXVisibilityKind clang_getCursorVisibility(CXCursor cursor) {
6507 if (!clang_isDeclaration(cursor.kind))
6508 return CXVisibility_Invalid;
6510 const Decl *D = cxcursor::getCursorDecl(cursor);
6511 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6512 switch (ND->getVisibility()) {
6513 case HiddenVisibility: return CXVisibility_Hidden;
6514 case ProtectedVisibility: return CXVisibility_Protected;
6515 case DefaultVisibility: return CXVisibility_Default;
6518 return CXVisibility_Invalid;
6520 } // end: extern "C"
6522 //===----------------------------------------------------------------------===//
6523 // Operations for querying language of a cursor.
6524 //===----------------------------------------------------------------------===//
6526 static CXLanguageKind getDeclLanguage(const Decl *D) {
6528 return CXLanguage_C;
6530 switch (D->getKind()) {
6533 case Decl::ImplicitParam:
6534 case Decl::ObjCAtDefsField:
6535 case Decl::ObjCCategory:
6536 case Decl::ObjCCategoryImpl:
6537 case Decl::ObjCCompatibleAlias:
6538 case Decl::ObjCImplementation:
6539 case Decl::ObjCInterface:
6540 case Decl::ObjCIvar:
6541 case Decl::ObjCMethod:
6542 case Decl::ObjCProperty:
6543 case Decl::ObjCPropertyImpl:
6544 case Decl::ObjCProtocol:
6545 case Decl::ObjCTypeParam:
6546 return CXLanguage_ObjC;
6547 case Decl::CXXConstructor:
6548 case Decl::CXXConversion:
6549 case Decl::CXXDestructor:
6550 case Decl::CXXMethod:
6551 case Decl::CXXRecord:
6552 case Decl::ClassTemplate:
6553 case Decl::ClassTemplatePartialSpecialization:
6554 case Decl::ClassTemplateSpecialization:
6556 case Decl::FriendTemplate:
6557 case Decl::FunctionTemplate:
6558 case Decl::LinkageSpec:
6559 case Decl::Namespace:
6560 case Decl::NamespaceAlias:
6561 case Decl::NonTypeTemplateParm:
6562 case Decl::StaticAssert:
6563 case Decl::TemplateTemplateParm:
6564 case Decl::TemplateTypeParm:
6565 case Decl::UnresolvedUsingTypename:
6566 case Decl::UnresolvedUsingValue:
6568 case Decl::UsingDirective:
6569 case Decl::UsingShadow:
6570 return CXLanguage_CPlusPlus;
6573 return CXLanguage_C;
6578 static CXAvailabilityKind getCursorAvailabilityForDecl(const Decl *D) {
6579 if (isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->isDeleted())
6580 return CXAvailability_NotAvailable;
6582 switch (D->getAvailability()) {
6584 case AR_NotYetIntroduced:
6585 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6586 return getCursorAvailabilityForDecl(
6587 cast<Decl>(EnumConst->getDeclContext()));
6588 return CXAvailability_Available;
6591 return CXAvailability_Deprecated;
6593 case AR_Unavailable:
6594 return CXAvailability_NotAvailable;
6597 llvm_unreachable("Unknown availability kind!");
6600 enum CXAvailabilityKind clang_getCursorAvailability(CXCursor cursor) {
6601 if (clang_isDeclaration(cursor.kind))
6602 if (const Decl *D = cxcursor::getCursorDecl(cursor))
6603 return getCursorAvailabilityForDecl(D);
6605 return CXAvailability_Available;
6608 static CXVersion convertVersion(VersionTuple In) {
6609 CXVersion Out = { -1, -1, -1 };
6613 Out.Major = In.getMajor();
6615 Optional<unsigned> Minor = In.getMinor();
6616 if (Minor.hasValue())
6621 Optional<unsigned> Subminor = In.getSubminor();
6622 if (Subminor.hasValue())
6623 Out.Subminor = *Subminor;
6628 static int getCursorPlatformAvailabilityForDecl(const Decl *D,
6629 int *always_deprecated,
6630 CXString *deprecated_message,
6631 int *always_unavailable,
6632 CXString *unavailable_message,
6633 CXPlatformAvailability *availability,
6634 int availability_size) {
6635 bool HadAvailAttr = false;
6637 for (auto A : D->attrs()) {
6638 if (DeprecatedAttr *Deprecated = dyn_cast<DeprecatedAttr>(A)) {
6639 HadAvailAttr = true;
6640 if (always_deprecated)
6641 *always_deprecated = 1;
6642 if (deprecated_message) {
6643 clang_disposeString(*deprecated_message);
6644 *deprecated_message = cxstring::createDup(Deprecated->getMessage());
6649 if (UnavailableAttr *Unavailable = dyn_cast<UnavailableAttr>(A)) {
6650 HadAvailAttr = true;
6651 if (always_unavailable)
6652 *always_unavailable = 1;
6653 if (unavailable_message) {
6654 clang_disposeString(*unavailable_message);
6655 *unavailable_message = cxstring::createDup(Unavailable->getMessage());
6660 if (AvailabilityAttr *Avail = dyn_cast<AvailabilityAttr>(A)) {
6661 HadAvailAttr = true;
6662 if (N < availability_size) {
6663 availability[N].Platform
6664 = cxstring::createDup(Avail->getPlatform()->getName());
6665 availability[N].Introduced = convertVersion(Avail->getIntroduced());
6666 availability[N].Deprecated = convertVersion(Avail->getDeprecated());
6667 availability[N].Obsoleted = convertVersion(Avail->getObsoleted());
6668 availability[N].Unavailable = Avail->getUnavailable();
6669 availability[N].Message = cxstring::createDup(Avail->getMessage());
6676 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6677 return getCursorPlatformAvailabilityForDecl(
6678 cast<Decl>(EnumConst->getDeclContext()),
6682 unavailable_message,
6689 int clang_getCursorPlatformAvailability(CXCursor cursor,
6690 int *always_deprecated,
6691 CXString *deprecated_message,
6692 int *always_unavailable,
6693 CXString *unavailable_message,
6694 CXPlatformAvailability *availability,
6695 int availability_size) {
6696 if (always_deprecated)
6697 *always_deprecated = 0;
6698 if (deprecated_message)
6699 *deprecated_message = cxstring::createEmpty();
6700 if (always_unavailable)
6701 *always_unavailable = 0;
6702 if (unavailable_message)
6703 *unavailable_message = cxstring::createEmpty();
6705 if (!clang_isDeclaration(cursor.kind))
6708 const Decl *D = cxcursor::getCursorDecl(cursor);
6712 return getCursorPlatformAvailabilityForDecl(D, always_deprecated,
6715 unavailable_message,
6720 void clang_disposeCXPlatformAvailability(CXPlatformAvailability *availability) {
6721 clang_disposeString(availability->Platform);
6722 clang_disposeString(availability->Message);
6725 CXLanguageKind clang_getCursorLanguage(CXCursor cursor) {
6726 if (clang_isDeclaration(cursor.kind))
6727 return getDeclLanguage(cxcursor::getCursorDecl(cursor));
6729 return CXLanguage_Invalid;
6732 /// \brief If the given cursor is the "templated" declaration
6733 /// descibing a class or function template, return the class or
6734 /// function template.
6735 static const Decl *maybeGetTemplateCursor(const Decl *D) {
6739 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
6740 if (FunctionTemplateDecl *FunTmpl = FD->getDescribedFunctionTemplate())
6743 if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D))
6744 if (ClassTemplateDecl *ClassTmpl = RD->getDescribedClassTemplate())
6751 enum CX_StorageClass clang_Cursor_getStorageClass(CXCursor C) {
6752 StorageClass sc = SC_None;
6753 const Decl *D = getCursorDecl(C);
6755 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
6756 sc = FD->getStorageClass();
6757 } else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
6758 sc = VD->getStorageClass();
6760 return CX_SC_Invalid;
6763 return CX_SC_Invalid;
6769 return CX_SC_Extern;
6771 return CX_SC_Static;
6772 case SC_PrivateExtern:
6773 return CX_SC_PrivateExtern;
6777 return CX_SC_Register;
6779 llvm_unreachable("Unhandled storage class!");
6782 CXCursor clang_getCursorSemanticParent(CXCursor cursor) {
6783 if (clang_isDeclaration(cursor.kind)) {
6784 if (const Decl *D = getCursorDecl(cursor)) {
6785 const DeclContext *DC = D->getDeclContext();
6787 return clang_getNullCursor();
6789 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
6790 getCursorTU(cursor));
6794 if (clang_isStatement(cursor.kind) || clang_isExpression(cursor.kind)) {
6795 if (const Decl *D = getCursorDecl(cursor))
6796 return MakeCXCursor(D, getCursorTU(cursor));
6799 return clang_getNullCursor();
6802 CXCursor clang_getCursorLexicalParent(CXCursor cursor) {
6803 if (clang_isDeclaration(cursor.kind)) {
6804 if (const Decl *D = getCursorDecl(cursor)) {
6805 const DeclContext *DC = D->getLexicalDeclContext();
6807 return clang_getNullCursor();
6809 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
6810 getCursorTU(cursor));
6814 // FIXME: Note that we can't easily compute the lexical context of a
6815 // statement or expression, so we return nothing.
6816 return clang_getNullCursor();
6819 CXFile clang_getIncludedFile(CXCursor cursor) {
6820 if (cursor.kind != CXCursor_InclusionDirective)
6823 const InclusionDirective *ID = getCursorInclusionDirective(cursor);
6824 return const_cast<FileEntry *>(ID->getFile());
6827 unsigned clang_Cursor_getObjCPropertyAttributes(CXCursor C, unsigned reserved) {
6828 if (C.kind != CXCursor_ObjCPropertyDecl)
6829 return CXObjCPropertyAttr_noattr;
6831 unsigned Result = CXObjCPropertyAttr_noattr;
6832 const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(getCursorDecl(C));
6833 ObjCPropertyDecl::PropertyAttributeKind Attr =
6834 PD->getPropertyAttributesAsWritten();
6836 #define SET_CXOBJCPROP_ATTR(A) \
6837 if (Attr & ObjCPropertyDecl::OBJC_PR_##A) \
6838 Result |= CXObjCPropertyAttr_##A
6839 SET_CXOBJCPROP_ATTR(readonly);
6840 SET_CXOBJCPROP_ATTR(getter);
6841 SET_CXOBJCPROP_ATTR(assign);
6842 SET_CXOBJCPROP_ATTR(readwrite);
6843 SET_CXOBJCPROP_ATTR(retain);
6844 SET_CXOBJCPROP_ATTR(copy);
6845 SET_CXOBJCPROP_ATTR(nonatomic);
6846 SET_CXOBJCPROP_ATTR(setter);
6847 SET_CXOBJCPROP_ATTR(atomic);
6848 SET_CXOBJCPROP_ATTR(weak);
6849 SET_CXOBJCPROP_ATTR(strong);
6850 SET_CXOBJCPROP_ATTR(unsafe_unretained);
6851 #undef SET_CXOBJCPROP_ATTR
6856 unsigned clang_Cursor_getObjCDeclQualifiers(CXCursor C) {
6857 if (!clang_isDeclaration(C.kind))
6858 return CXObjCDeclQualifier_None;
6860 Decl::ObjCDeclQualifier QT = Decl::OBJC_TQ_None;
6861 const Decl *D = getCursorDecl(C);
6862 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
6863 QT = MD->getObjCDeclQualifier();
6864 else if (const ParmVarDecl *PD = dyn_cast<ParmVarDecl>(D))
6865 QT = PD->getObjCDeclQualifier();
6866 if (QT == Decl::OBJC_TQ_None)
6867 return CXObjCDeclQualifier_None;
6869 unsigned Result = CXObjCDeclQualifier_None;
6870 if (QT & Decl::OBJC_TQ_In) Result |= CXObjCDeclQualifier_In;
6871 if (QT & Decl::OBJC_TQ_Inout) Result |= CXObjCDeclQualifier_Inout;
6872 if (QT & Decl::OBJC_TQ_Out) Result |= CXObjCDeclQualifier_Out;
6873 if (QT & Decl::OBJC_TQ_Bycopy) Result |= CXObjCDeclQualifier_Bycopy;
6874 if (QT & Decl::OBJC_TQ_Byref) Result |= CXObjCDeclQualifier_Byref;
6875 if (QT & Decl::OBJC_TQ_Oneway) Result |= CXObjCDeclQualifier_Oneway;
6880 unsigned clang_Cursor_isObjCOptional(CXCursor C) {
6881 if (!clang_isDeclaration(C.kind))
6884 const Decl *D = getCursorDecl(C);
6885 if (const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(D))
6886 return PD->getPropertyImplementation() == ObjCPropertyDecl::Optional;
6887 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
6888 return MD->getImplementationControl() == ObjCMethodDecl::Optional;
6893 unsigned clang_Cursor_isVariadic(CXCursor C) {
6894 if (!clang_isDeclaration(C.kind))
6897 const Decl *D = getCursorDecl(C);
6898 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
6899 return FD->isVariadic();
6900 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
6901 return MD->isVariadic();
6906 CXSourceRange clang_Cursor_getCommentRange(CXCursor C) {
6907 if (!clang_isDeclaration(C.kind))
6908 return clang_getNullRange();
6910 const Decl *D = getCursorDecl(C);
6911 ASTContext &Context = getCursorContext(C);
6912 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6914 return clang_getNullRange();
6916 return cxloc::translateSourceRange(Context, RC->getSourceRange());
6919 CXString clang_Cursor_getRawCommentText(CXCursor C) {
6920 if (!clang_isDeclaration(C.kind))
6921 return cxstring::createNull();
6923 const Decl *D = getCursorDecl(C);
6924 ASTContext &Context = getCursorContext(C);
6925 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6926 StringRef RawText = RC ? RC->getRawText(Context.getSourceManager()) :
6929 // Don't duplicate the string because RawText points directly into source
6931 return cxstring::createRef(RawText);
6934 CXString clang_Cursor_getBriefCommentText(CXCursor C) {
6935 if (!clang_isDeclaration(C.kind))
6936 return cxstring::createNull();
6938 const Decl *D = getCursorDecl(C);
6939 const ASTContext &Context = getCursorContext(C);
6940 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6943 StringRef BriefText = RC->getBriefText(Context);
6945 // Don't duplicate the string because RawComment ensures that this memory
6946 // will not go away.
6947 return cxstring::createRef(BriefText);
6950 return cxstring::createNull();
6953 CXModule clang_Cursor_getModule(CXCursor C) {
6954 if (C.kind == CXCursor_ModuleImportDecl) {
6955 if (const ImportDecl *ImportD =
6956 dyn_cast_or_null<ImportDecl>(getCursorDecl(C)))
6957 return ImportD->getImportedModule();
6963 CXModule clang_getModuleForFile(CXTranslationUnit TU, CXFile File) {
6964 if (isNotUsableTU(TU)) {
6970 FileEntry *FE = static_cast<FileEntry *>(File);
6972 ASTUnit &Unit = *cxtu::getASTUnit(TU);
6973 HeaderSearch &HS = Unit.getPreprocessor().getHeaderSearchInfo();
6974 ModuleMap::KnownHeader Header = HS.findModuleForHeader(FE);
6976 return Header.getModule();
6979 CXFile clang_Module_getASTFile(CXModule CXMod) {
6982 Module *Mod = static_cast<Module*>(CXMod);
6983 return const_cast<FileEntry *>(Mod->getASTFile());
6986 CXModule clang_Module_getParent(CXModule CXMod) {
6989 Module *Mod = static_cast<Module*>(CXMod);
6993 CXString clang_Module_getName(CXModule CXMod) {
6995 return cxstring::createEmpty();
6996 Module *Mod = static_cast<Module*>(CXMod);
6997 return cxstring::createDup(Mod->Name);
7000 CXString clang_Module_getFullName(CXModule CXMod) {
7002 return cxstring::createEmpty();
7003 Module *Mod = static_cast<Module*>(CXMod);
7004 return cxstring::createDup(Mod->getFullModuleName());
7007 int clang_Module_isSystem(CXModule CXMod) {
7010 Module *Mod = static_cast<Module*>(CXMod);
7011 return Mod->IsSystem;
7014 unsigned clang_Module_getNumTopLevelHeaders(CXTranslationUnit TU,
7016 if (isNotUsableTU(TU)) {
7022 Module *Mod = static_cast<Module*>(CXMod);
7023 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7024 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7025 return TopHeaders.size();
7028 CXFile clang_Module_getTopLevelHeader(CXTranslationUnit TU,
7029 CXModule CXMod, unsigned Index) {
7030 if (isNotUsableTU(TU)) {
7036 Module *Mod = static_cast<Module*>(CXMod);
7037 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7039 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7040 if (Index < TopHeaders.size())
7041 return const_cast<FileEntry *>(TopHeaders[Index]);
7046 } // end: extern "C"
7048 //===----------------------------------------------------------------------===//
7049 // C++ AST instrospection.
7050 //===----------------------------------------------------------------------===//
7053 unsigned clang_CXXField_isMutable(CXCursor C) {
7054 if (!clang_isDeclaration(C.kind))
7057 if (const auto D = cxcursor::getCursorDecl(C))
7058 if (const auto FD = dyn_cast_or_null<FieldDecl>(D))
7059 return FD->isMutable() ? 1 : 0;
7063 unsigned clang_CXXMethod_isPureVirtual(CXCursor C) {
7064 if (!clang_isDeclaration(C.kind))
7067 const Decl *D = cxcursor::getCursorDecl(C);
7068 const CXXMethodDecl *Method =
7069 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7070 return (Method && Method->isVirtual() && Method->isPure()) ? 1 : 0;
7073 unsigned clang_CXXMethod_isConst(CXCursor C) {
7074 if (!clang_isDeclaration(C.kind))
7077 const Decl *D = cxcursor::getCursorDecl(C);
7078 const CXXMethodDecl *Method =
7079 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7080 return (Method && (Method->getTypeQualifiers() & Qualifiers::Const)) ? 1 : 0;
7083 unsigned clang_CXXMethod_isStatic(CXCursor C) {
7084 if (!clang_isDeclaration(C.kind))
7087 const Decl *D = cxcursor::getCursorDecl(C);
7088 const CXXMethodDecl *Method =
7089 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7090 return (Method && Method->isStatic()) ? 1 : 0;
7093 unsigned clang_CXXMethod_isVirtual(CXCursor C) {
7094 if (!clang_isDeclaration(C.kind))
7097 const Decl *D = cxcursor::getCursorDecl(C);
7098 const CXXMethodDecl *Method =
7099 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7100 return (Method && Method->isVirtual()) ? 1 : 0;
7102 } // end: extern "C"
7104 //===----------------------------------------------------------------------===//
7105 // Attribute introspection.
7106 //===----------------------------------------------------------------------===//
7109 CXType clang_getIBOutletCollectionType(CXCursor C) {
7110 if (C.kind != CXCursor_IBOutletCollectionAttr)
7111 return cxtype::MakeCXType(QualType(), cxcursor::getCursorTU(C));
7113 const IBOutletCollectionAttr *A =
7114 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
7116 return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorTU(C));
7118 } // end: extern "C"
7120 //===----------------------------------------------------------------------===//
7121 // Inspecting memory usage.
7122 //===----------------------------------------------------------------------===//
7124 typedef std::vector<CXTUResourceUsageEntry> MemUsageEntries;
7126 static inline void createCXTUResourceUsageEntry(MemUsageEntries &entries,
7127 enum CXTUResourceUsageKind k,
7128 unsigned long amount) {
7129 CXTUResourceUsageEntry entry = { k, amount };
7130 entries.push_back(entry);
7135 const char *clang_getTUResourceUsageName(CXTUResourceUsageKind kind) {
7136 const char *str = "";
7138 case CXTUResourceUsage_AST:
7139 str = "ASTContext: expressions, declarations, and types";
7141 case CXTUResourceUsage_Identifiers:
7142 str = "ASTContext: identifiers";
7144 case CXTUResourceUsage_Selectors:
7145 str = "ASTContext: selectors";
7147 case CXTUResourceUsage_GlobalCompletionResults:
7148 str = "Code completion: cached global results";
7150 case CXTUResourceUsage_SourceManagerContentCache:
7151 str = "SourceManager: content cache allocator";
7153 case CXTUResourceUsage_AST_SideTables:
7154 str = "ASTContext: side tables";
7156 case CXTUResourceUsage_SourceManager_Membuffer_Malloc:
7157 str = "SourceManager: malloc'ed memory buffers";
7159 case CXTUResourceUsage_SourceManager_Membuffer_MMap:
7160 str = "SourceManager: mmap'ed memory buffers";
7162 case CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc:
7163 str = "ExternalASTSource: malloc'ed memory buffers";
7165 case CXTUResourceUsage_ExternalASTSource_Membuffer_MMap:
7166 str = "ExternalASTSource: mmap'ed memory buffers";
7168 case CXTUResourceUsage_Preprocessor:
7169 str = "Preprocessor: malloc'ed memory";
7171 case CXTUResourceUsage_PreprocessingRecord:
7172 str = "Preprocessor: PreprocessingRecord";
7174 case CXTUResourceUsage_SourceManager_DataStructures:
7175 str = "SourceManager: data structures and tables";
7177 case CXTUResourceUsage_Preprocessor_HeaderSearch:
7178 str = "Preprocessor: header search tables";
7184 CXTUResourceUsage clang_getCXTUResourceUsage(CXTranslationUnit TU) {
7185 if (isNotUsableTU(TU)) {
7187 CXTUResourceUsage usage = { (void*) nullptr, 0, nullptr };
7191 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7192 std::unique_ptr<MemUsageEntries> entries(new MemUsageEntries());
7193 ASTContext &astContext = astUnit->getASTContext();
7195 // How much memory is used by AST nodes and types?
7196 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST,
7197 (unsigned long) astContext.getASTAllocatedMemory());
7199 // How much memory is used by identifiers?
7200 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Identifiers,
7201 (unsigned long) astContext.Idents.getAllocator().getTotalMemory());
7203 // How much memory is used for selectors?
7204 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Selectors,
7205 (unsigned long) astContext.Selectors.getTotalMemory());
7207 // How much memory is used by ASTContext's side tables?
7208 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST_SideTables,
7209 (unsigned long) astContext.getSideTableAllocatedMemory());
7211 // How much memory is used for caching global code completion results?
7212 unsigned long completionBytes = 0;
7213 if (GlobalCodeCompletionAllocator *completionAllocator =
7214 astUnit->getCachedCompletionAllocator().get()) {
7215 completionBytes = completionAllocator->getTotalMemory();
7217 createCXTUResourceUsageEntry(*entries,
7218 CXTUResourceUsage_GlobalCompletionResults,
7221 // How much memory is being used by SourceManager's content cache?
7222 createCXTUResourceUsageEntry(*entries,
7223 CXTUResourceUsage_SourceManagerContentCache,
7224 (unsigned long) astContext.getSourceManager().getContentCacheSize());
7226 // How much memory is being used by the MemoryBuffer's in SourceManager?
7227 const SourceManager::MemoryBufferSizes &srcBufs =
7228 astUnit->getSourceManager().getMemoryBufferSizes();
7230 createCXTUResourceUsageEntry(*entries,
7231 CXTUResourceUsage_SourceManager_Membuffer_Malloc,
7232 (unsigned long) srcBufs.malloc_bytes);
7233 createCXTUResourceUsageEntry(*entries,
7234 CXTUResourceUsage_SourceManager_Membuffer_MMap,
7235 (unsigned long) srcBufs.mmap_bytes);
7236 createCXTUResourceUsageEntry(*entries,
7237 CXTUResourceUsage_SourceManager_DataStructures,
7238 (unsigned long) astContext.getSourceManager()
7239 .getDataStructureSizes());
7241 // How much memory is being used by the ExternalASTSource?
7242 if (ExternalASTSource *esrc = astContext.getExternalSource()) {
7243 const ExternalASTSource::MemoryBufferSizes &sizes =
7244 esrc->getMemoryBufferSizes();
7246 createCXTUResourceUsageEntry(*entries,
7247 CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc,
7248 (unsigned long) sizes.malloc_bytes);
7249 createCXTUResourceUsageEntry(*entries,
7250 CXTUResourceUsage_ExternalASTSource_Membuffer_MMap,
7251 (unsigned long) sizes.mmap_bytes);
7254 // How much memory is being used by the Preprocessor?
7255 Preprocessor &pp = astUnit->getPreprocessor();
7256 createCXTUResourceUsageEntry(*entries,
7257 CXTUResourceUsage_Preprocessor,
7258 pp.getTotalMemory());
7260 if (PreprocessingRecord *pRec = pp.getPreprocessingRecord()) {
7261 createCXTUResourceUsageEntry(*entries,
7262 CXTUResourceUsage_PreprocessingRecord,
7263 pRec->getTotalMemory());
7266 createCXTUResourceUsageEntry(*entries,
7267 CXTUResourceUsage_Preprocessor_HeaderSearch,
7268 pp.getHeaderSearchInfo().getTotalMemory());
7270 CXTUResourceUsage usage = { (void*) entries.get(),
7271 (unsigned) entries->size(),
7272 !entries->empty() ? &(*entries)[0] : nullptr };
7277 void clang_disposeCXTUResourceUsage(CXTUResourceUsage usage) {
7279 delete (MemUsageEntries*) usage.data;
7282 CXSourceRangeList *clang_getSkippedRanges(CXTranslationUnit TU, CXFile file) {
7283 CXSourceRangeList *skipped = new CXSourceRangeList;
7285 skipped->ranges = nullptr;
7287 if (isNotUsableTU(TU)) {
7295 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7296 PreprocessingRecord *ppRec = astUnit->getPreprocessor().getPreprocessingRecord();
7300 ASTContext &Ctx = astUnit->getASTContext();
7301 SourceManager &sm = Ctx.getSourceManager();
7302 FileEntry *fileEntry = static_cast<FileEntry *>(file);
7303 FileID wantedFileID = sm.translateFile(fileEntry);
7305 const std::vector<SourceRange> &SkippedRanges = ppRec->getSkippedRanges();
7306 std::vector<SourceRange> wantedRanges;
7307 for (std::vector<SourceRange>::const_iterator i = SkippedRanges.begin(), ei = SkippedRanges.end();
7309 if (sm.getFileID(i->getBegin()) == wantedFileID || sm.getFileID(i->getEnd()) == wantedFileID)
7310 wantedRanges.push_back(*i);
7313 skipped->count = wantedRanges.size();
7314 skipped->ranges = new CXSourceRange[skipped->count];
7315 for (unsigned i = 0, ei = skipped->count; i != ei; ++i)
7316 skipped->ranges[i] = cxloc::translateSourceRange(Ctx, wantedRanges[i]);
7321 void clang_disposeSourceRangeList(CXSourceRangeList *ranges) {
7323 delete[] ranges->ranges;
7330 void clang::PrintLibclangResourceUsage(CXTranslationUnit TU) {
7331 CXTUResourceUsage Usage = clang_getCXTUResourceUsage(TU);
7332 for (unsigned I = 0; I != Usage.numEntries; ++I)
7333 fprintf(stderr, " %s: %lu\n",
7334 clang_getTUResourceUsageName(Usage.entries[I].kind),
7335 Usage.entries[I].amount);
7337 clang_disposeCXTUResourceUsage(Usage);
7340 //===----------------------------------------------------------------------===//
7341 // Misc. utility functions.
7342 //===----------------------------------------------------------------------===//
7344 /// Default to using an 8 MB stack size on "safety" threads.
7345 static unsigned SafetyStackThreadSize = 8 << 20;
7349 bool RunSafely(llvm::CrashRecoveryContext &CRC, llvm::function_ref<void()> Fn,
7352 Size = GetSafetyThreadStackSize();
7354 return CRC.RunSafelyOnThread(Fn, Size);
7355 return CRC.RunSafely(Fn);
7358 unsigned GetSafetyThreadStackSize() {
7359 return SafetyStackThreadSize;
7362 void SetSafetyThreadStackSize(unsigned Value) {
7363 SafetyStackThreadSize = Value;
7368 void clang::setThreadBackgroundPriority() {
7369 if (getenv("LIBCLANG_BGPRIO_DISABLE"))
7372 #ifdef USE_DARWIN_THREADS
7373 setpriority(PRIO_DARWIN_THREAD, 0, PRIO_DARWIN_BG);
7377 void cxindex::printDiagsToStderr(ASTUnit *Unit) {
7381 for (ASTUnit::stored_diag_iterator D = Unit->stored_diag_begin(),
7382 DEnd = Unit->stored_diag_end();
7384 CXStoredDiagnostic Diag(*D, Unit->getLangOpts());
7385 CXString Msg = clang_formatDiagnostic(&Diag,
7386 clang_defaultDiagnosticDisplayOptions());
7387 fprintf(stderr, "%s\n", clang_getCString(Msg));
7388 clang_disposeString(Msg);
7390 #ifdef LLVM_ON_WIN32
7391 // On Windows, force a flush, since there may be multiple copies of
7392 // stderr and stdout in the file system, all with different buffers
7393 // but writing to the same device.
7398 MacroInfo *cxindex::getMacroInfo(const IdentifierInfo &II,
7399 SourceLocation MacroDefLoc,
7400 CXTranslationUnit TU){
7401 if (MacroDefLoc.isInvalid() || !TU)
7403 if (!II.hadMacroDefinition())
7406 ASTUnit *Unit = cxtu::getASTUnit(TU);
7407 Preprocessor &PP = Unit->getPreprocessor();
7408 MacroDirective *MD = PP.getLocalMacroDirectiveHistory(&II);
7410 for (MacroDirective::DefInfo
7411 Def = MD->getDefinition(); Def; Def = Def.getPreviousDefinition()) {
7412 if (MacroDefLoc == Def.getMacroInfo()->getDefinitionLoc())
7413 return Def.getMacroInfo();
7420 const MacroInfo *cxindex::getMacroInfo(const MacroDefinitionRecord *MacroDef,
7421 CXTranslationUnit TU) {
7422 if (!MacroDef || !TU)
7424 const IdentifierInfo *II = MacroDef->getName();
7428 return getMacroInfo(*II, MacroDef->getLocation(), TU);
7431 MacroDefinitionRecord *
7432 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, const Token &Tok,
7433 CXTranslationUnit TU) {
7436 if (Tok.isNot(tok::raw_identifier))
7439 if (MI->getNumTokens() == 0)
7441 SourceRange DefRange(MI->getReplacementToken(0).getLocation(),
7442 MI->getDefinitionEndLoc());
7443 ASTUnit *Unit = cxtu::getASTUnit(TU);
7445 // Check that the token is inside the definition and not its argument list.
7446 SourceManager &SM = Unit->getSourceManager();
7447 if (SM.isBeforeInTranslationUnit(Tok.getLocation(), DefRange.getBegin()))
7449 if (SM.isBeforeInTranslationUnit(DefRange.getEnd(), Tok.getLocation()))
7452 Preprocessor &PP = Unit->getPreprocessor();
7453 PreprocessingRecord *PPRec = PP.getPreprocessingRecord();
7457 IdentifierInfo &II = PP.getIdentifierTable().get(Tok.getRawIdentifier());
7458 if (!II.hadMacroDefinition())
7461 // Check that the identifier is not one of the macro arguments.
7462 if (std::find(MI->arg_begin(), MI->arg_end(), &II) != MI->arg_end())
7465 MacroDirective *InnerMD = PP.getLocalMacroDirectiveHistory(&II);
7469 return PPRec->findMacroDefinition(InnerMD->getMacroInfo());
7472 MacroDefinitionRecord *
7473 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, SourceLocation Loc,
7474 CXTranslationUnit TU) {
7475 if (Loc.isInvalid() || !MI || !TU)
7478 if (MI->getNumTokens() == 0)
7480 ASTUnit *Unit = cxtu::getASTUnit(TU);
7481 Preprocessor &PP = Unit->getPreprocessor();
7482 if (!PP.getPreprocessingRecord())
7484 Loc = Unit->getSourceManager().getSpellingLoc(Loc);
7486 if (PP.getRawToken(Loc, Tok))
7489 return checkForMacroInMacroDefinition(MI, Tok, TU);
7494 CXString clang_getClangVersion() {
7495 return cxstring::createDup(getClangFullVersion());
7498 } // end: extern "C"
7500 Logger &cxindex::Logger::operator<<(CXTranslationUnit TU) {
7502 if (ASTUnit *Unit = cxtu::getASTUnit(TU)) {
7503 LogOS << '<' << Unit->getMainFileName() << '>';
7504 if (Unit->isMainFileAST())
7505 LogOS << " (" << Unit->getASTFileName() << ')';
7509 LogOS << "<NULL TU>";
7514 Logger &cxindex::Logger::operator<<(const FileEntry *FE) {
7515 *this << FE->getName();
7519 Logger &cxindex::Logger::operator<<(CXCursor cursor) {
7520 CXString cursorName = clang_getCursorDisplayName(cursor);
7521 *this << cursorName << "@" << clang_getCursorLocation(cursor);
7522 clang_disposeString(cursorName);
7526 Logger &cxindex::Logger::operator<<(CXSourceLocation Loc) {
7528 unsigned Line, Column;
7529 clang_getFileLocation(Loc, &File, &Line, &Column, nullptr);
7530 CXString FileName = clang_getFileName(File);
7531 *this << llvm::format("(%s:%d:%d)", clang_getCString(FileName), Line, Column);
7532 clang_disposeString(FileName);
7536 Logger &cxindex::Logger::operator<<(CXSourceRange range) {
7537 CXSourceLocation BLoc = clang_getRangeStart(range);
7538 CXSourceLocation ELoc = clang_getRangeEnd(range);
7541 unsigned BLine, BColumn;
7542 clang_getFileLocation(BLoc, &BFile, &BLine, &BColumn, nullptr);
7545 unsigned ELine, EColumn;
7546 clang_getFileLocation(ELoc, &EFile, &ELine, &EColumn, nullptr);
7548 CXString BFileName = clang_getFileName(BFile);
7549 if (BFile == EFile) {
7550 *this << llvm::format("[%s %d:%d-%d:%d]", clang_getCString(BFileName),
7551 BLine, BColumn, ELine, EColumn);
7553 CXString EFileName = clang_getFileName(EFile);
7554 *this << llvm::format("[%s:%d:%d - ", clang_getCString(BFileName),
7556 << llvm::format("%s:%d:%d]", clang_getCString(EFileName),
7558 clang_disposeString(EFileName);
7560 clang_disposeString(BFileName);
7564 Logger &cxindex::Logger::operator<<(CXString Str) {
7565 *this << clang_getCString(Str);
7569 Logger &cxindex::Logger::operator<<(const llvm::format_object_base &Fmt) {
7574 static llvm::ManagedStatic<llvm::sys::Mutex> LoggingMutex;
7576 cxindex::Logger::~Logger() {
7577 llvm::sys::ScopedLock L(*LoggingMutex);
7579 static llvm::TimeRecord sBeginTR = llvm::TimeRecord::getCurrentTime();
7581 raw_ostream &OS = llvm::errs();
7582 OS << "[libclang:" << Name << ':';
7584 #ifdef USE_DARWIN_THREADS
7585 // TODO: Portability.
7586 mach_port_t tid = pthread_mach_thread_np(pthread_self());
7590 llvm::TimeRecord TR = llvm::TimeRecord::getCurrentTime();
7591 OS << llvm::format("%7.4f] ", TR.getWallTime() - sBeginTR.getWallTime());
7595 llvm::sys::PrintStackTrace(OS);
7596 OS << "--------------------------------------------------\n";