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"
18 #include "CXComment.h"
20 #include "CXSourceLocation.h"
22 #include "CXTranslationUnit.h"
24 #include "CursorVisitor.h"
25 #include "SimpleFormatContext.h"
26 #include "clang/AST/StmtVisitor.h"
27 #include "clang/Basic/Diagnostic.h"
28 #include "clang/Basic/Version.h"
29 #include "clang/Frontend/ASTUnit.h"
30 #include "clang/Frontend/CompilerInstance.h"
31 #include "clang/Frontend/FrontendDiagnostic.h"
32 #include "clang/Lex/HeaderSearch.h"
33 #include "clang/Lex/Lexer.h"
34 #include "clang/Lex/PreprocessingRecord.h"
35 #include "clang/Lex/Preprocessor.h"
36 #include "llvm/ADT/Optional.h"
37 #include "llvm/ADT/STLExtras.h"
38 #include "llvm/ADT/StringSwitch.h"
39 #include "llvm/Config/config.h"
40 #include "llvm/Support/Compiler.h"
41 #include "llvm/Support/CrashRecoveryContext.h"
42 #include "llvm/Support/Format.h"
43 #include "llvm/Support/MemoryBuffer.h"
44 #include "llvm/Support/Mutex.h"
45 #include "llvm/Support/PrettyStackTrace.h"
46 #include "llvm/Support/Program.h"
47 #include "llvm/Support/SaveAndRestore.h"
48 #include "llvm/Support/Signals.h"
49 #include "llvm/Support/Threading.h"
50 #include "llvm/Support/Timer.h"
51 #include "llvm/Support/raw_ostream.h"
57 using namespace clang;
58 using namespace clang::cxcursor;
59 using namespace clang::cxtu;
60 using namespace clang::cxindex;
62 CXTranslationUnit cxtu::MakeCXTranslationUnit(CIndexer *CIdx, ASTUnit *AU) {
65 CXTranslationUnit D = new CXTranslationUnitImpl();
68 D->StringPool = new cxstring::CXStringPool();
70 D->OverridenCursorsPool = createOverridenCXCursorsPool();
72 D->FormatInMemoryUniqueId = 0;
76 cxtu::CXTUOwner::~CXTUOwner() {
78 clang_disposeTranslationUnit(TU);
81 /// \brief Compare two source ranges to determine their relative position in
82 /// the translation unit.
83 static RangeComparisonResult RangeCompare(SourceManager &SM,
86 assert(R1.isValid() && "First range is invalid?");
87 assert(R2.isValid() && "Second range is invalid?");
88 if (R1.getEnd() != R2.getBegin() &&
89 SM.isBeforeInTranslationUnit(R1.getEnd(), R2.getBegin()))
91 if (R2.getEnd() != R1.getBegin() &&
92 SM.isBeforeInTranslationUnit(R2.getEnd(), R1.getBegin()))
97 /// \brief Determine if a source location falls within, before, or after a
98 /// a given source range.
99 static RangeComparisonResult LocationCompare(SourceManager &SM,
100 SourceLocation L, SourceRange R) {
101 assert(R.isValid() && "First range is invalid?");
102 assert(L.isValid() && "Second range is invalid?");
103 if (L == R.getBegin() || L == R.getEnd())
105 if (SM.isBeforeInTranslationUnit(L, R.getBegin()))
107 if (SM.isBeforeInTranslationUnit(R.getEnd(), L))
112 /// \brief Translate a Clang source range into a CIndex source range.
114 /// Clang internally represents ranges where the end location points to the
115 /// start of the token at the end. However, for external clients it is more
116 /// useful to have a CXSourceRange be a proper half-open interval. This routine
117 /// does the appropriate translation.
118 CXSourceRange cxloc::translateSourceRange(const SourceManager &SM,
119 const LangOptions &LangOpts,
120 const CharSourceRange &R) {
121 // We want the last character in this location, so we will adjust the
122 // location accordingly.
123 SourceLocation EndLoc = R.getEnd();
124 if (EndLoc.isValid() && EndLoc.isMacroID() && !SM.isMacroArgExpansion(EndLoc))
125 EndLoc = SM.getExpansionRange(EndLoc).second;
126 if (R.isTokenRange() && !EndLoc.isInvalid()) {
127 unsigned Length = Lexer::MeasureTokenLength(SM.getSpellingLoc(EndLoc),
129 EndLoc = EndLoc.getLocWithOffset(Length);
132 CXSourceRange Result = {
134 R.getBegin().getRawEncoding(),
135 EndLoc.getRawEncoding()
140 //===----------------------------------------------------------------------===//
142 //===----------------------------------------------------------------------===//
144 static SourceRange getRawCursorExtent(CXCursor C);
145 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr);
148 RangeComparisonResult CursorVisitor::CompareRegionOfInterest(SourceRange R) {
149 return RangeCompare(AU->getSourceManager(), R, RegionOfInterest);
152 /// \brief Visit the given cursor and, if requested by the visitor,
155 /// \param Cursor the cursor to visit.
157 /// \param CheckedRegionOfInterest if true, then the caller already checked
158 /// that this cursor is within the region of interest.
160 /// \returns true if the visitation should be aborted, false if it
162 bool CursorVisitor::Visit(CXCursor Cursor, bool CheckedRegionOfInterest) {
163 if (clang_isInvalid(Cursor.kind))
166 if (clang_isDeclaration(Cursor.kind)) {
167 const Decl *D = getCursorDecl(Cursor);
169 assert(0 && "Invalid declaration cursor");
170 return true; // abort.
173 // Ignore implicit declarations, unless it's an objc method because
174 // currently we should report implicit methods for properties when indexing.
175 if (D->isImplicit() && !isa<ObjCMethodDecl>(D))
179 // If we have a range of interest, and this cursor doesn't intersect with it,
181 if (RegionOfInterest.isValid() && !CheckedRegionOfInterest) {
182 SourceRange Range = getRawCursorExtent(Cursor);
183 if (Range.isInvalid() || CompareRegionOfInterest(Range))
187 switch (Visitor(Cursor, Parent, ClientData)) {
188 case CXChildVisit_Break:
191 case CXChildVisit_Continue:
194 case CXChildVisit_Recurse: {
195 bool ret = VisitChildren(Cursor);
196 if (PostChildrenVisitor)
197 if (PostChildrenVisitor(Cursor, ClientData))
203 llvm_unreachable("Invalid CXChildVisitResult!");
206 static bool visitPreprocessedEntitiesInRange(SourceRange R,
207 PreprocessingRecord &PPRec,
208 CursorVisitor &Visitor) {
209 SourceManager &SM = Visitor.getASTUnit()->getSourceManager();
212 if (!Visitor.shouldVisitIncludedEntities()) {
213 // If the begin/end of the range lie in the same FileID, do the optimization
214 // where we skip preprocessed entities that do not come from the same FileID.
215 FID = SM.getFileID(SM.getFileLoc(R.getBegin()));
216 if (FID != SM.getFileID(SM.getFileLoc(R.getEnd())))
220 std::pair<PreprocessingRecord::iterator, PreprocessingRecord::iterator>
221 Entities = PPRec.getPreprocessedEntitiesInRange(R);
222 return Visitor.visitPreprocessedEntities(Entities.first, Entities.second,
226 bool CursorVisitor::visitFileRegion() {
227 if (RegionOfInterest.isInvalid())
230 ASTUnit *Unit = cxtu::getASTUnit(TU);
231 SourceManager &SM = Unit->getSourceManager();
233 std::pair<FileID, unsigned>
234 Begin = SM.getDecomposedLoc(SM.getFileLoc(RegionOfInterest.getBegin())),
235 End = SM.getDecomposedLoc(SM.getFileLoc(RegionOfInterest.getEnd()));
237 if (End.first != Begin.first) {
238 // If the end does not reside in the same file, try to recover by
239 // picking the end of the file of begin location.
240 End.first = Begin.first;
241 End.second = SM.getFileIDSize(Begin.first);
244 assert(Begin.first == End.first);
245 if (Begin.second > End.second)
248 FileID File = Begin.first;
249 unsigned Offset = Begin.second;
250 unsigned Length = End.second - Begin.second;
252 if (!VisitDeclsOnly && !VisitPreprocessorLast)
253 if (visitPreprocessedEntitiesInRegion())
254 return true; // visitation break.
256 if (visitDeclsFromFileRegion(File, Offset, Length))
257 return true; // visitation break.
259 if (!VisitDeclsOnly && VisitPreprocessorLast)
260 return visitPreprocessedEntitiesInRegion();
265 static bool isInLexicalContext(Decl *D, DeclContext *DC) {
269 for (DeclContext *DeclDC = D->getLexicalDeclContext();
270 DeclDC; DeclDC = DeclDC->getLexicalParent()) {
277 bool CursorVisitor::visitDeclsFromFileRegion(FileID File,
278 unsigned Offset, unsigned Length) {
279 ASTUnit *Unit = cxtu::getASTUnit(TU);
280 SourceManager &SM = Unit->getSourceManager();
281 SourceRange Range = RegionOfInterest;
283 SmallVector<Decl *, 16> Decls;
284 Unit->findFileRegionDecls(File, Offset, Length, Decls);
286 // If we didn't find any file level decls for the file, try looking at the
287 // file that it was included from.
288 while (Decls.empty() || Decls.front()->isTopLevelDeclInObjCContainer()) {
289 bool Invalid = false;
290 const SrcMgr::SLocEntry &SLEntry = SM.getSLocEntry(File, &Invalid);
294 SourceLocation Outer;
295 if (SLEntry.isFile())
296 Outer = SLEntry.getFile().getIncludeLoc();
298 Outer = SLEntry.getExpansion().getExpansionLocStart();
299 if (Outer.isInvalid())
302 llvm::tie(File, Offset) = SM.getDecomposedExpansionLoc(Outer);
304 Unit->findFileRegionDecls(File, Offset, Length, Decls);
307 assert(!Decls.empty());
309 bool VisitedAtLeastOnce = false;
310 DeclContext *CurDC = 0;
311 SmallVector<Decl *, 16>::iterator DIt = Decls.begin();
312 for (SmallVector<Decl *, 16>::iterator DE = Decls.end(); DIt != DE; ++DIt) {
314 if (D->getSourceRange().isInvalid())
317 if (isInLexicalContext(D, CurDC))
320 CurDC = dyn_cast<DeclContext>(D);
322 if (TagDecl *TD = dyn_cast<TagDecl>(D))
323 if (!TD->isFreeStanding())
326 RangeComparisonResult CompRes = RangeCompare(SM, D->getSourceRange(),Range);
327 if (CompRes == RangeBefore)
329 if (CompRes == RangeAfter)
332 assert(CompRes == RangeOverlap);
333 VisitedAtLeastOnce = true;
335 if (isa<ObjCContainerDecl>(D)) {
336 FileDI_current = &DIt;
342 if (Visit(MakeCXCursor(D, TU, Range), /*CheckedRegionOfInterest=*/true))
343 return true; // visitation break.
346 if (VisitedAtLeastOnce)
349 // No Decls overlapped with the range. Move up the lexical context until there
350 // is a context that contains the range or we reach the translation unit
352 DeclContext *DC = DIt == Decls.begin() ? (*DIt)->getLexicalDeclContext()
353 : (*(DIt-1))->getLexicalDeclContext();
355 while (DC && !DC->isTranslationUnit()) {
356 Decl *D = cast<Decl>(DC);
357 SourceRange CurDeclRange = D->getSourceRange();
358 if (CurDeclRange.isInvalid())
361 if (RangeCompare(SM, CurDeclRange, Range) == RangeOverlap) {
362 if (Visit(MakeCXCursor(D, TU, Range), /*CheckedRegionOfInterest=*/true))
363 return true; // visitation break.
366 DC = D->getLexicalDeclContext();
372 bool CursorVisitor::visitPreprocessedEntitiesInRegion() {
373 if (!AU->getPreprocessor().getPreprocessingRecord())
376 PreprocessingRecord &PPRec
377 = *AU->getPreprocessor().getPreprocessingRecord();
378 SourceManager &SM = AU->getSourceManager();
380 if (RegionOfInterest.isValid()) {
381 SourceRange MappedRange = AU->mapRangeToPreamble(RegionOfInterest);
382 SourceLocation B = MappedRange.getBegin();
383 SourceLocation E = MappedRange.getEnd();
385 if (AU->isInPreambleFileID(B)) {
386 if (SM.isLoadedSourceLocation(E))
387 return visitPreprocessedEntitiesInRange(SourceRange(B, E),
390 // Beginning of range lies in the preamble but it also extends beyond
391 // it into the main file. Split the range into 2 parts, one covering
392 // the preamble and another covering the main file. This allows subsequent
393 // calls to visitPreprocessedEntitiesInRange to accept a source range that
394 // lies in the same FileID, allowing it to skip preprocessed entities that
395 // do not come from the same FileID.
397 visitPreprocessedEntitiesInRange(
398 SourceRange(B, AU->getEndOfPreambleFileID()),
400 if (breaked) return true;
401 return visitPreprocessedEntitiesInRange(
402 SourceRange(AU->getStartOfMainFileID(), E),
406 return visitPreprocessedEntitiesInRange(SourceRange(B, E), PPRec, *this);
410 = !AU->isMainFileAST() && AU->getOnlyLocalDecls();
413 return visitPreprocessedEntities(PPRec.local_begin(), PPRec.local_end(),
416 return visitPreprocessedEntities(PPRec.begin(), PPRec.end(), PPRec);
419 template<typename InputIterator>
420 bool CursorVisitor::visitPreprocessedEntities(InputIterator First,
422 PreprocessingRecord &PPRec,
424 for (; First != Last; ++First) {
425 if (!FID.isInvalid() && !PPRec.isEntityInFileID(First, FID))
428 PreprocessedEntity *PPE = *First;
429 if (MacroExpansion *ME = dyn_cast<MacroExpansion>(PPE)) {
430 if (Visit(MakeMacroExpansionCursor(ME, TU)))
436 if (MacroDefinition *MD = dyn_cast<MacroDefinition>(PPE)) {
437 if (Visit(MakeMacroDefinitionCursor(MD, TU)))
443 if (InclusionDirective *ID = dyn_cast<InclusionDirective>(PPE)) {
444 if (Visit(MakeInclusionDirectiveCursor(ID, TU)))
454 /// \brief Visit the children of the given cursor.
456 /// \returns true if the visitation should be aborted, false if it
458 bool CursorVisitor::VisitChildren(CXCursor Cursor) {
459 if (clang_isReference(Cursor.kind) &&
460 Cursor.kind != CXCursor_CXXBaseSpecifier) {
461 // By definition, references have no children.
465 // Set the Parent field to Cursor, then back to its old value once we're
467 SetParentRAII SetParent(Parent, StmtParent, Cursor);
469 if (clang_isDeclaration(Cursor.kind)) {
470 Decl *D = const_cast<Decl *>(getCursorDecl(Cursor));
474 return VisitAttributes(D) || Visit(D);
477 if (clang_isStatement(Cursor.kind)) {
478 if (const Stmt *S = getCursorStmt(Cursor))
484 if (clang_isExpression(Cursor.kind)) {
485 if (const Expr *E = getCursorExpr(Cursor))
491 if (clang_isTranslationUnit(Cursor.kind)) {
492 CXTranslationUnit TU = getCursorTU(Cursor);
493 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
495 int VisitOrder[2] = { VisitPreprocessorLast, !VisitPreprocessorLast };
496 for (unsigned I = 0; I != 2; ++I) {
498 if (!CXXUnit->isMainFileAST() && CXXUnit->getOnlyLocalDecls() &&
499 RegionOfInterest.isInvalid()) {
500 for (ASTUnit::top_level_iterator TL = CXXUnit->top_level_begin(),
501 TLEnd = CXXUnit->top_level_end();
503 if (Visit(MakeCXCursor(*TL, TU, RegionOfInterest), true))
506 } else if (VisitDeclContext(
507 CXXUnit->getASTContext().getTranslationUnitDecl()))
512 // Walk the preprocessing record.
513 if (CXXUnit->getPreprocessor().getPreprocessingRecord())
514 visitPreprocessedEntitiesInRegion();
520 if (Cursor.kind == CXCursor_CXXBaseSpecifier) {
521 if (const CXXBaseSpecifier *Base = getCursorCXXBaseSpecifier(Cursor)) {
522 if (TypeSourceInfo *BaseTSInfo = Base->getTypeSourceInfo()) {
523 return Visit(BaseTSInfo->getTypeLoc());
528 if (Cursor.kind == CXCursor_IBOutletCollectionAttr) {
529 const IBOutletCollectionAttr *A =
530 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(Cursor));
531 if (const ObjCInterfaceType *InterT = A->getInterface()->getAs<ObjCInterfaceType>())
532 return Visit(cxcursor::MakeCursorObjCClassRef(InterT->getInterface(),
533 A->getInterfaceLoc(), TU));
536 // If pointing inside a macro definition, check if the token is an identifier
537 // that was ever defined as a macro. In such a case, create a "pseudo" macro
538 // expansion cursor for that token.
539 SourceLocation BeginLoc = RegionOfInterest.getBegin();
540 if (Cursor.kind == CXCursor_MacroDefinition &&
541 BeginLoc == RegionOfInterest.getEnd()) {
542 SourceLocation Loc = AU->mapLocationToPreamble(BeginLoc);
543 const MacroInfo *MI =
544 getMacroInfo(cxcursor::getCursorMacroDefinition(Cursor), TU);
545 if (MacroDefinition *MacroDef =
546 checkForMacroInMacroDefinition(MI, Loc, TU))
547 return Visit(cxcursor::MakeMacroExpansionCursor(MacroDef, BeginLoc, TU));
550 // Nothing to visit at the moment.
554 bool CursorVisitor::VisitBlockDecl(BlockDecl *B) {
555 if (TypeSourceInfo *TSInfo = B->getSignatureAsWritten())
556 if (Visit(TSInfo->getTypeLoc()))
559 if (Stmt *Body = B->getBody())
560 return Visit(MakeCXCursor(Body, StmtParent, TU, RegionOfInterest));
565 Optional<bool> CursorVisitor::shouldVisitCursor(CXCursor Cursor) {
566 if (RegionOfInterest.isValid()) {
567 SourceRange Range = getFullCursorExtent(Cursor, AU->getSourceManager());
568 if (Range.isInvalid())
571 switch (CompareRegionOfInterest(Range)) {
573 // This declaration comes before the region of interest; skip it.
577 // This declaration comes after the region of interest; we're done.
581 // This declaration overlaps the region of interest; visit it.
588 bool CursorVisitor::VisitDeclContext(DeclContext *DC) {
589 DeclContext::decl_iterator I = DC->decls_begin(), E = DC->decls_end();
591 // FIXME: Eventually remove. This part of a hack to support proper
592 // iteration over all Decls contained lexically within an ObjC container.
593 SaveAndRestore<DeclContext::decl_iterator*> DI_saved(DI_current, &I);
594 SaveAndRestore<DeclContext::decl_iterator> DE_saved(DE_current, E);
596 for ( ; I != E; ++I) {
598 if (D->getLexicalDeclContext() != DC)
600 CXCursor Cursor = MakeCXCursor(D, TU, RegionOfInterest);
602 // Ignore synthesized ivars here, otherwise if we have something like:
603 // @synthesize prop = _prop;
604 // and '_prop' is not declared, we will encounter a '_prop' ivar before
605 // encountering the 'prop' synthesize declaration and we will think that
606 // we passed the region-of-interest.
607 if (ObjCIvarDecl *ivarD = dyn_cast<ObjCIvarDecl>(D)) {
608 if (ivarD->getSynthesize())
612 // FIXME: ObjCClassRef/ObjCProtocolRef for forward class/protocol
613 // declarations is a mismatch with the compiler semantics.
614 if (Cursor.kind == CXCursor_ObjCInterfaceDecl) {
615 ObjCInterfaceDecl *ID = cast<ObjCInterfaceDecl>(D);
616 if (!ID->isThisDeclarationADefinition())
617 Cursor = MakeCursorObjCClassRef(ID, ID->getLocation(), TU);
619 } else if (Cursor.kind == CXCursor_ObjCProtocolDecl) {
620 ObjCProtocolDecl *PD = cast<ObjCProtocolDecl>(D);
621 if (!PD->isThisDeclarationADefinition())
622 Cursor = MakeCursorObjCProtocolRef(PD, PD->getLocation(), TU);
625 const Optional<bool> &V = shouldVisitCursor(Cursor);
630 if (Visit(Cursor, true))
636 bool CursorVisitor::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
637 llvm_unreachable("Translation units are visited directly by Visit()");
640 bool CursorVisitor::VisitTypeAliasDecl(TypeAliasDecl *D) {
641 if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
642 return Visit(TSInfo->getTypeLoc());
647 bool CursorVisitor::VisitTypedefDecl(TypedefDecl *D) {
648 if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
649 return Visit(TSInfo->getTypeLoc());
654 bool CursorVisitor::VisitTagDecl(TagDecl *D) {
655 return VisitDeclContext(D);
658 bool CursorVisitor::VisitClassTemplateSpecializationDecl(
659 ClassTemplateSpecializationDecl *D) {
660 bool ShouldVisitBody = false;
661 switch (D->getSpecializationKind()) {
663 case TSK_ImplicitInstantiation:
667 case TSK_ExplicitInstantiationDeclaration:
668 case TSK_ExplicitInstantiationDefinition:
671 case TSK_ExplicitSpecialization:
672 ShouldVisitBody = true;
676 // Visit the template arguments used in the specialization.
677 if (TypeSourceInfo *SpecType = D->getTypeAsWritten()) {
678 TypeLoc TL = SpecType->getTypeLoc();
679 if (TemplateSpecializationTypeLoc TSTLoc =
680 TL.getAs<TemplateSpecializationTypeLoc>()) {
681 for (unsigned I = 0, N = TSTLoc.getNumArgs(); I != N; ++I)
682 if (VisitTemplateArgumentLoc(TSTLoc.getArgLoc(I)))
687 if (ShouldVisitBody && VisitCXXRecordDecl(D))
693 bool CursorVisitor::VisitClassTemplatePartialSpecializationDecl(
694 ClassTemplatePartialSpecializationDecl *D) {
695 // FIXME: Visit the "outer" template parameter lists on the TagDecl
696 // before visiting these template parameters.
697 if (VisitTemplateParameters(D->getTemplateParameters()))
700 // Visit the partial specialization arguments.
701 const TemplateArgumentLoc *TemplateArgs = D->getTemplateArgsAsWritten();
702 for (unsigned I = 0, N = D->getNumTemplateArgsAsWritten(); I != N; ++I)
703 if (VisitTemplateArgumentLoc(TemplateArgs[I]))
706 return VisitCXXRecordDecl(D);
709 bool CursorVisitor::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
710 // Visit the default argument.
711 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
712 if (TypeSourceInfo *DefArg = D->getDefaultArgumentInfo())
713 if (Visit(DefArg->getTypeLoc()))
719 bool CursorVisitor::VisitEnumConstantDecl(EnumConstantDecl *D) {
720 if (Expr *Init = D->getInitExpr())
721 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
725 bool CursorVisitor::VisitDeclaratorDecl(DeclaratorDecl *DD) {
726 unsigned NumParamList = DD->getNumTemplateParameterLists();
727 for (unsigned i = 0; i < NumParamList; i++) {
728 TemplateParameterList* Params = DD->getTemplateParameterList(i);
729 if (VisitTemplateParameters(Params))
733 if (TypeSourceInfo *TSInfo = DD->getTypeSourceInfo())
734 if (Visit(TSInfo->getTypeLoc()))
737 // Visit the nested-name-specifier, if present.
738 if (NestedNameSpecifierLoc QualifierLoc = DD->getQualifierLoc())
739 if (VisitNestedNameSpecifierLoc(QualifierLoc))
745 /// \brief Compare two base or member initializers based on their source order.
746 static int CompareCXXCtorInitializers(const void* Xp, const void *Yp) {
747 CXXCtorInitializer const * const *X
748 = static_cast<CXXCtorInitializer const * const *>(Xp);
749 CXXCtorInitializer const * const *Y
750 = static_cast<CXXCtorInitializer const * const *>(Yp);
752 if ((*X)->getSourceOrder() < (*Y)->getSourceOrder())
754 else if ((*X)->getSourceOrder() > (*Y)->getSourceOrder())
760 bool CursorVisitor::VisitFunctionDecl(FunctionDecl *ND) {
761 unsigned NumParamList = ND->getNumTemplateParameterLists();
762 for (unsigned i = 0; i < NumParamList; i++) {
763 TemplateParameterList* Params = ND->getTemplateParameterList(i);
764 if (VisitTemplateParameters(Params))
768 if (TypeSourceInfo *TSInfo = ND->getTypeSourceInfo()) {
769 // Visit the function declaration's syntactic components in the order
770 // written. This requires a bit of work.
771 TypeLoc TL = TSInfo->getTypeLoc().IgnoreParens();
772 FunctionTypeLoc FTL = TL.getAs<FunctionTypeLoc>();
774 // If we have a function declared directly (without the use of a typedef),
775 // visit just the return type. Otherwise, just visit the function's type
777 if ((FTL && !isa<CXXConversionDecl>(ND) && Visit(FTL.getResultLoc())) ||
781 // Visit the nested-name-specifier, if present.
782 if (NestedNameSpecifierLoc QualifierLoc = ND->getQualifierLoc())
783 if (VisitNestedNameSpecifierLoc(QualifierLoc))
786 // Visit the declaration name.
787 if (VisitDeclarationNameInfo(ND->getNameInfo()))
790 // FIXME: Visit explicitly-specified template arguments!
792 // Visit the function parameters, if we have a function type.
793 if (FTL && VisitFunctionTypeLoc(FTL, true))
796 // FIXME: Attributes?
799 if (ND->doesThisDeclarationHaveABody() && !ND->isLateTemplateParsed()) {
800 if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(ND)) {
801 // Find the initializers that were written in the source.
802 SmallVector<CXXCtorInitializer *, 4> WrittenInits;
803 for (CXXConstructorDecl::init_iterator I = Constructor->init_begin(),
804 IEnd = Constructor->init_end();
806 if (!(*I)->isWritten())
809 WrittenInits.push_back(*I);
812 // Sort the initializers in source order
813 llvm::array_pod_sort(WrittenInits.begin(), WrittenInits.end(),
814 &CompareCXXCtorInitializers);
816 // Visit the initializers in source order
817 for (unsigned I = 0, N = WrittenInits.size(); I != N; ++I) {
818 CXXCtorInitializer *Init = WrittenInits[I];
819 if (Init->isAnyMemberInitializer()) {
820 if (Visit(MakeCursorMemberRef(Init->getAnyMember(),
821 Init->getMemberLocation(), TU)))
823 } else if (TypeSourceInfo *TInfo = Init->getTypeSourceInfo()) {
824 if (Visit(TInfo->getTypeLoc()))
828 // Visit the initializer value.
829 if (Expr *Initializer = Init->getInit())
830 if (Visit(MakeCXCursor(Initializer, ND, TU, RegionOfInterest)))
835 if (Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest)))
842 bool CursorVisitor::VisitFieldDecl(FieldDecl *D) {
843 if (VisitDeclaratorDecl(D))
846 if (Expr *BitWidth = D->getBitWidth())
847 return Visit(MakeCXCursor(BitWidth, StmtParent, TU, RegionOfInterest));
852 bool CursorVisitor::VisitVarDecl(VarDecl *D) {
853 if (VisitDeclaratorDecl(D))
856 if (Expr *Init = D->getInit())
857 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
862 bool CursorVisitor::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
863 if (VisitDeclaratorDecl(D))
866 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
867 if (Expr *DefArg = D->getDefaultArgument())
868 return Visit(MakeCXCursor(DefArg, StmtParent, TU, RegionOfInterest));
873 bool CursorVisitor::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
874 // FIXME: Visit the "outer" template parameter lists on the FunctionDecl
875 // before visiting these template parameters.
876 if (VisitTemplateParameters(D->getTemplateParameters()))
879 return VisitFunctionDecl(D->getTemplatedDecl());
882 bool CursorVisitor::VisitClassTemplateDecl(ClassTemplateDecl *D) {
883 // FIXME: Visit the "outer" template parameter lists on the TagDecl
884 // before visiting these template parameters.
885 if (VisitTemplateParameters(D->getTemplateParameters()))
888 return VisitCXXRecordDecl(D->getTemplatedDecl());
891 bool CursorVisitor::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
892 if (VisitTemplateParameters(D->getTemplateParameters()))
895 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited() &&
896 VisitTemplateArgumentLoc(D->getDefaultArgument()))
902 bool CursorVisitor::VisitObjCMethodDecl(ObjCMethodDecl *ND) {
903 if (TypeSourceInfo *TSInfo = ND->getResultTypeSourceInfo())
904 if (Visit(TSInfo->getTypeLoc()))
907 for (ObjCMethodDecl::param_iterator P = ND->param_begin(),
908 PEnd = ND->param_end();
910 if (Visit(MakeCXCursor(*P, TU, RegionOfInterest)))
914 if (ND->isThisDeclarationADefinition() &&
915 Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest)))
921 template <typename DeclIt>
922 static void addRangedDeclsInContainer(DeclIt *DI_current, DeclIt DE_current,
923 SourceManager &SM, SourceLocation EndLoc,
924 SmallVectorImpl<Decl *> &Decls) {
925 DeclIt next = *DI_current;
926 while (++next != DE_current) {
927 Decl *D_next = *next;
930 SourceLocation L = D_next->getLocStart();
933 if (SM.isBeforeInTranslationUnit(L, EndLoc)) {
935 Decls.push_back(D_next);
943 struct ContainerDeclsSort {
945 ContainerDeclsSort(SourceManager &sm) : SM(sm) {}
946 bool operator()(Decl *A, Decl *B) {
947 SourceLocation L_A = A->getLocStart();
948 SourceLocation L_B = B->getLocStart();
949 assert(L_A.isValid() && L_B.isValid());
950 return SM.isBeforeInTranslationUnit(L_A, L_B);
955 bool CursorVisitor::VisitObjCContainerDecl(ObjCContainerDecl *D) {
956 // FIXME: Eventually convert back to just 'VisitDeclContext()'. Essentially
957 // an @implementation can lexically contain Decls that are not properly
958 // nested in the AST. When we identify such cases, we need to retrofit
959 // this nesting here.
960 if (!DI_current && !FileDI_current)
961 return VisitDeclContext(D);
963 // Scan the Decls that immediately come after the container
964 // in the current DeclContext. If any fall within the
965 // container's lexical region, stash them into a vector
966 // for later processing.
967 SmallVector<Decl *, 24> DeclsInContainer;
968 SourceLocation EndLoc = D->getSourceRange().getEnd();
969 SourceManager &SM = AU->getSourceManager();
970 if (EndLoc.isValid()) {
972 addRangedDeclsInContainer(DI_current, DE_current, SM, EndLoc,
975 addRangedDeclsInContainer(FileDI_current, FileDE_current, SM, EndLoc,
981 if (DeclsInContainer.empty())
982 return VisitDeclContext(D);
984 // Get all the Decls in the DeclContext, and sort them with the
985 // additional ones we've collected. Then visit them.
986 for (DeclContext::decl_iterator I = D->decls_begin(), E = D->decls_end();
989 if (!subDecl || subDecl->getLexicalDeclContext() != D ||
990 subDecl->getLocStart().isInvalid())
992 DeclsInContainer.push_back(subDecl);
995 // Now sort the Decls so that they appear in lexical order.
996 std::sort(DeclsInContainer.begin(), DeclsInContainer.end(),
997 ContainerDeclsSort(SM));
999 // Now visit the decls.
1000 for (SmallVectorImpl<Decl*>::iterator I = DeclsInContainer.begin(),
1001 E = DeclsInContainer.end(); I != E; ++I) {
1002 CXCursor Cursor = MakeCXCursor(*I, TU, RegionOfInterest);
1003 const Optional<bool> &V = shouldVisitCursor(Cursor);
1008 if (Visit(Cursor, true))
1014 bool CursorVisitor::VisitObjCCategoryDecl(ObjCCategoryDecl *ND) {
1015 if (Visit(MakeCursorObjCClassRef(ND->getClassInterface(), ND->getLocation(),
1019 ObjCCategoryDecl::protocol_loc_iterator PL = ND->protocol_loc_begin();
1020 for (ObjCCategoryDecl::protocol_iterator I = ND->protocol_begin(),
1021 E = ND->protocol_end(); I != E; ++I, ++PL)
1022 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1025 return VisitObjCContainerDecl(ND);
1028 bool CursorVisitor::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
1029 if (!PID->isThisDeclarationADefinition())
1030 return Visit(MakeCursorObjCProtocolRef(PID, PID->getLocation(), TU));
1032 ObjCProtocolDecl::protocol_loc_iterator PL = PID->protocol_loc_begin();
1033 for (ObjCProtocolDecl::protocol_iterator I = PID->protocol_begin(),
1034 E = PID->protocol_end(); I != E; ++I, ++PL)
1035 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1038 return VisitObjCContainerDecl(PID);
1041 bool CursorVisitor::VisitObjCPropertyDecl(ObjCPropertyDecl *PD) {
1042 if (PD->getTypeSourceInfo() && Visit(PD->getTypeSourceInfo()->getTypeLoc()))
1045 // FIXME: This implements a workaround with @property declarations also being
1046 // installed in the DeclContext for the @interface. Eventually this code
1047 // should be removed.
1048 ObjCCategoryDecl *CDecl = dyn_cast<ObjCCategoryDecl>(PD->getDeclContext());
1049 if (!CDecl || !CDecl->IsClassExtension())
1052 ObjCInterfaceDecl *ID = CDecl->getClassInterface();
1056 IdentifierInfo *PropertyId = PD->getIdentifier();
1057 ObjCPropertyDecl *prevDecl =
1058 ObjCPropertyDecl::findPropertyDecl(cast<DeclContext>(ID), PropertyId);
1063 // Visit synthesized methods since they will be skipped when visiting
1065 if (ObjCMethodDecl *MD = prevDecl->getGetterMethodDecl())
1066 if (MD->isPropertyAccessor() && MD->getLexicalDeclContext() == CDecl)
1067 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
1070 if (ObjCMethodDecl *MD = prevDecl->getSetterMethodDecl())
1071 if (MD->isPropertyAccessor() && MD->getLexicalDeclContext() == CDecl)
1072 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
1078 bool CursorVisitor::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) {
1079 if (!D->isThisDeclarationADefinition()) {
1080 // Forward declaration is treated like a reference.
1081 return Visit(MakeCursorObjCClassRef(D, D->getLocation(), TU));
1084 // Issue callbacks for super class.
1085 if (D->getSuperClass() &&
1086 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1087 D->getSuperClassLoc(),
1091 ObjCInterfaceDecl::protocol_loc_iterator PL = D->protocol_loc_begin();
1092 for (ObjCInterfaceDecl::protocol_iterator I = D->protocol_begin(),
1093 E = D->protocol_end(); I != E; ++I, ++PL)
1094 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1097 return VisitObjCContainerDecl(D);
1100 bool CursorVisitor::VisitObjCImplDecl(ObjCImplDecl *D) {
1101 return VisitObjCContainerDecl(D);
1104 bool CursorVisitor::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
1105 // 'ID' could be null when dealing with invalid code.
1106 if (ObjCInterfaceDecl *ID = D->getClassInterface())
1107 if (Visit(MakeCursorObjCClassRef(ID, D->getLocation(), TU)))
1110 return VisitObjCImplDecl(D);
1113 bool CursorVisitor::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
1115 // Issue callbacks for super class.
1116 // FIXME: No source location information!
1117 if (D->getSuperClass() &&
1118 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1119 D->getSuperClassLoc(),
1124 return VisitObjCImplDecl(D);
1127 bool CursorVisitor::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PD) {
1128 if (ObjCIvarDecl *Ivar = PD->getPropertyIvarDecl())
1129 if (PD->isIvarNameSpecified())
1130 return Visit(MakeCursorMemberRef(Ivar, PD->getPropertyIvarDeclLoc(), TU));
1135 bool CursorVisitor::VisitNamespaceDecl(NamespaceDecl *D) {
1136 return VisitDeclContext(D);
1139 bool CursorVisitor::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
1140 // Visit nested-name-specifier.
1141 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1142 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1145 return Visit(MakeCursorNamespaceRef(D->getAliasedNamespace(),
1146 D->getTargetNameLoc(), TU));
1149 bool CursorVisitor::VisitUsingDecl(UsingDecl *D) {
1150 // Visit nested-name-specifier.
1151 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1152 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1156 if (Visit(MakeCursorOverloadedDeclRef(D, D->getLocation(), TU)))
1159 return VisitDeclarationNameInfo(D->getNameInfo());
1162 bool CursorVisitor::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
1163 // Visit nested-name-specifier.
1164 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1165 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1168 return Visit(MakeCursorNamespaceRef(D->getNominatedNamespaceAsWritten(),
1169 D->getIdentLocation(), TU));
1172 bool CursorVisitor::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
1173 // Visit nested-name-specifier.
1174 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1175 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1179 return VisitDeclarationNameInfo(D->getNameInfo());
1182 bool CursorVisitor::VisitUnresolvedUsingTypenameDecl(
1183 UnresolvedUsingTypenameDecl *D) {
1184 // Visit nested-name-specifier.
1185 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1186 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1192 bool CursorVisitor::VisitDeclarationNameInfo(DeclarationNameInfo Name) {
1193 switch (Name.getName().getNameKind()) {
1194 case clang::DeclarationName::Identifier:
1195 case clang::DeclarationName::CXXLiteralOperatorName:
1196 case clang::DeclarationName::CXXOperatorName:
1197 case clang::DeclarationName::CXXUsingDirective:
1200 case clang::DeclarationName::CXXConstructorName:
1201 case clang::DeclarationName::CXXDestructorName:
1202 case clang::DeclarationName::CXXConversionFunctionName:
1203 if (TypeSourceInfo *TSInfo = Name.getNamedTypeInfo())
1204 return Visit(TSInfo->getTypeLoc());
1207 case clang::DeclarationName::ObjCZeroArgSelector:
1208 case clang::DeclarationName::ObjCOneArgSelector:
1209 case clang::DeclarationName::ObjCMultiArgSelector:
1210 // FIXME: Per-identifier location info?
1214 llvm_unreachable("Invalid DeclarationName::Kind!");
1217 bool CursorVisitor::VisitNestedNameSpecifier(NestedNameSpecifier *NNS,
1218 SourceRange Range) {
1219 // FIXME: This whole routine is a hack to work around the lack of proper
1220 // source information in nested-name-specifiers (PR5791). Since we do have
1221 // a beginning source location, we can visit the first component of the
1222 // nested-name-specifier, if it's a single-token component.
1226 // Get the first component in the nested-name-specifier.
1227 while (NestedNameSpecifier *Prefix = NNS->getPrefix())
1230 switch (NNS->getKind()) {
1231 case NestedNameSpecifier::Namespace:
1232 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(), Range.getBegin(),
1235 case NestedNameSpecifier::NamespaceAlias:
1236 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1237 Range.getBegin(), TU));
1239 case NestedNameSpecifier::TypeSpec: {
1240 // If the type has a form where we know that the beginning of the source
1241 // range matches up with a reference cursor. Visit the appropriate reference
1243 const Type *T = NNS->getAsType();
1244 if (const TypedefType *Typedef = dyn_cast<TypedefType>(T))
1245 return Visit(MakeCursorTypeRef(Typedef->getDecl(), Range.getBegin(), TU));
1246 if (const TagType *Tag = dyn_cast<TagType>(T))
1247 return Visit(MakeCursorTypeRef(Tag->getDecl(), Range.getBegin(), TU));
1248 if (const TemplateSpecializationType *TST
1249 = dyn_cast<TemplateSpecializationType>(T))
1250 return VisitTemplateName(TST->getTemplateName(), Range.getBegin());
1254 case NestedNameSpecifier::TypeSpecWithTemplate:
1255 case NestedNameSpecifier::Global:
1256 case NestedNameSpecifier::Identifier:
1264 CursorVisitor::VisitNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1265 SmallVector<NestedNameSpecifierLoc, 4> Qualifiers;
1266 for (; Qualifier; Qualifier = Qualifier.getPrefix())
1267 Qualifiers.push_back(Qualifier);
1269 while (!Qualifiers.empty()) {
1270 NestedNameSpecifierLoc Q = Qualifiers.pop_back_val();
1271 NestedNameSpecifier *NNS = Q.getNestedNameSpecifier();
1272 switch (NNS->getKind()) {
1273 case NestedNameSpecifier::Namespace:
1274 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(),
1275 Q.getLocalBeginLoc(),
1281 case NestedNameSpecifier::NamespaceAlias:
1282 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1283 Q.getLocalBeginLoc(),
1289 case NestedNameSpecifier::TypeSpec:
1290 case NestedNameSpecifier::TypeSpecWithTemplate:
1291 if (Visit(Q.getTypeLoc()))
1296 case NestedNameSpecifier::Global:
1297 case NestedNameSpecifier::Identifier:
1305 bool CursorVisitor::VisitTemplateParameters(
1306 const TemplateParameterList *Params) {
1310 for (TemplateParameterList::const_iterator P = Params->begin(),
1311 PEnd = Params->end();
1313 if (Visit(MakeCXCursor(*P, TU, RegionOfInterest)))
1320 bool CursorVisitor::VisitTemplateName(TemplateName Name, SourceLocation Loc) {
1321 switch (Name.getKind()) {
1322 case TemplateName::Template:
1323 return Visit(MakeCursorTemplateRef(Name.getAsTemplateDecl(), Loc, TU));
1325 case TemplateName::OverloadedTemplate:
1326 // Visit the overloaded template set.
1327 if (Visit(MakeCursorOverloadedDeclRef(Name, Loc, TU)))
1332 case TemplateName::DependentTemplate:
1333 // FIXME: Visit nested-name-specifier.
1336 case TemplateName::QualifiedTemplate:
1337 // FIXME: Visit nested-name-specifier.
1338 return Visit(MakeCursorTemplateRef(
1339 Name.getAsQualifiedTemplateName()->getDecl(),
1342 case TemplateName::SubstTemplateTemplateParm:
1343 return Visit(MakeCursorTemplateRef(
1344 Name.getAsSubstTemplateTemplateParm()->getParameter(),
1347 case TemplateName::SubstTemplateTemplateParmPack:
1348 return Visit(MakeCursorTemplateRef(
1349 Name.getAsSubstTemplateTemplateParmPack()->getParameterPack(),
1353 llvm_unreachable("Invalid TemplateName::Kind!");
1356 bool CursorVisitor::VisitTemplateArgumentLoc(const TemplateArgumentLoc &TAL) {
1357 switch (TAL.getArgument().getKind()) {
1358 case TemplateArgument::Null:
1359 case TemplateArgument::Integral:
1360 case TemplateArgument::Pack:
1363 case TemplateArgument::Type:
1364 if (TypeSourceInfo *TSInfo = TAL.getTypeSourceInfo())
1365 return Visit(TSInfo->getTypeLoc());
1368 case TemplateArgument::Declaration:
1369 if (Expr *E = TAL.getSourceDeclExpression())
1370 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1373 case TemplateArgument::NullPtr:
1374 if (Expr *E = TAL.getSourceNullPtrExpression())
1375 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1378 case TemplateArgument::Expression:
1379 if (Expr *E = TAL.getSourceExpression())
1380 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1383 case TemplateArgument::Template:
1384 case TemplateArgument::TemplateExpansion:
1385 if (VisitNestedNameSpecifierLoc(TAL.getTemplateQualifierLoc()))
1388 return VisitTemplateName(TAL.getArgument().getAsTemplateOrTemplatePattern(),
1389 TAL.getTemplateNameLoc());
1392 llvm_unreachable("Invalid TemplateArgument::Kind!");
1395 bool CursorVisitor::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
1396 return VisitDeclContext(D);
1399 bool CursorVisitor::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) {
1400 return Visit(TL.getUnqualifiedLoc());
1403 bool CursorVisitor::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) {
1404 ASTContext &Context = AU->getASTContext();
1406 // Some builtin types (such as Objective-C's "id", "sel", and
1407 // "Class") have associated declarations. Create cursors for those.
1409 switch (TL.getTypePtr()->getKind()) {
1411 case BuiltinType::Void:
1412 case BuiltinType::NullPtr:
1413 case BuiltinType::Dependent:
1414 case BuiltinType::OCLImage1d:
1415 case BuiltinType::OCLImage1dArray:
1416 case BuiltinType::OCLImage1dBuffer:
1417 case BuiltinType::OCLImage2d:
1418 case BuiltinType::OCLImage2dArray:
1419 case BuiltinType::OCLImage3d:
1420 case BuiltinType::OCLSampler:
1421 case BuiltinType::OCLEvent:
1422 #define BUILTIN_TYPE(Id, SingletonId)
1423 #define SIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1424 #define UNSIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1425 #define FLOATING_TYPE(Id, SingletonId) case BuiltinType::Id:
1426 #define PLACEHOLDER_TYPE(Id, SingletonId) case BuiltinType::Id:
1427 #include "clang/AST/BuiltinTypes.def"
1430 case BuiltinType::ObjCId:
1431 VisitType = Context.getObjCIdType();
1434 case BuiltinType::ObjCClass:
1435 VisitType = Context.getObjCClassType();
1438 case BuiltinType::ObjCSel:
1439 VisitType = Context.getObjCSelType();
1443 if (!VisitType.isNull()) {
1444 if (const TypedefType *Typedef = VisitType->getAs<TypedefType>())
1445 return Visit(MakeCursorTypeRef(Typedef->getDecl(), TL.getBuiltinLoc(),
1452 bool CursorVisitor::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
1453 return Visit(MakeCursorTypeRef(TL.getTypedefNameDecl(), TL.getNameLoc(), TU));
1456 bool CursorVisitor::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
1457 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1460 bool CursorVisitor::VisitTagTypeLoc(TagTypeLoc TL) {
1461 if (TL.isDefinition())
1462 return Visit(MakeCXCursor(TL.getDecl(), TU, RegionOfInterest));
1464 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1467 bool CursorVisitor::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
1468 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1471 bool CursorVisitor::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
1472 if (Visit(MakeCursorObjCClassRef(TL.getIFaceDecl(), TL.getNameLoc(), TU)))
1478 bool CursorVisitor::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
1479 if (TL.hasBaseTypeAsWritten() && Visit(TL.getBaseLoc()))
1482 for (unsigned I = 0, N = TL.getNumProtocols(); I != N; ++I) {
1483 if (Visit(MakeCursorObjCProtocolRef(TL.getProtocol(I), TL.getProtocolLoc(I),
1491 bool CursorVisitor::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
1492 return Visit(TL.getPointeeLoc());
1495 bool CursorVisitor::VisitParenTypeLoc(ParenTypeLoc TL) {
1496 return Visit(TL.getInnerLoc());
1499 bool CursorVisitor::VisitPointerTypeLoc(PointerTypeLoc TL) {
1500 return Visit(TL.getPointeeLoc());
1503 bool CursorVisitor::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
1504 return Visit(TL.getPointeeLoc());
1507 bool CursorVisitor::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
1508 return Visit(TL.getPointeeLoc());
1511 bool CursorVisitor::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
1512 return Visit(TL.getPointeeLoc());
1515 bool CursorVisitor::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
1516 return Visit(TL.getPointeeLoc());
1519 bool CursorVisitor::VisitAttributedTypeLoc(AttributedTypeLoc TL) {
1520 return Visit(TL.getModifiedLoc());
1523 bool CursorVisitor::VisitFunctionTypeLoc(FunctionTypeLoc TL,
1524 bool SkipResultType) {
1525 if (!SkipResultType && Visit(TL.getResultLoc()))
1528 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1529 if (Decl *D = TL.getArg(I))
1530 if (Visit(MakeCXCursor(D, TU, RegionOfInterest)))
1536 bool CursorVisitor::VisitArrayTypeLoc(ArrayTypeLoc TL) {
1537 if (Visit(TL.getElementLoc()))
1540 if (Expr *Size = TL.getSizeExpr())
1541 return Visit(MakeCXCursor(Size, StmtParent, TU, RegionOfInterest));
1546 bool CursorVisitor::VisitTemplateSpecializationTypeLoc(
1547 TemplateSpecializationTypeLoc TL) {
1548 // Visit the template name.
1549 if (VisitTemplateName(TL.getTypePtr()->getTemplateName(),
1550 TL.getTemplateNameLoc()))
1553 // Visit the template arguments.
1554 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1555 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1561 bool CursorVisitor::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
1562 return Visit(MakeCXCursor(TL.getUnderlyingExpr(), StmtParent, TU));
1565 bool CursorVisitor::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
1566 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1567 return Visit(TSInfo->getTypeLoc());
1572 bool CursorVisitor::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) {
1573 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1574 return Visit(TSInfo->getTypeLoc());
1579 bool CursorVisitor::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) {
1580 if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1586 bool CursorVisitor::VisitDependentTemplateSpecializationTypeLoc(
1587 DependentTemplateSpecializationTypeLoc TL) {
1588 // Visit the nested-name-specifier, if there is one.
1589 if (TL.getQualifierLoc() &&
1590 VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1593 // Visit the template arguments.
1594 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1595 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1601 bool CursorVisitor::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
1602 if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1605 return Visit(TL.getNamedTypeLoc());
1608 bool CursorVisitor::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) {
1609 return Visit(TL.getPatternLoc());
1612 bool CursorVisitor::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
1613 if (Expr *E = TL.getUnderlyingExpr())
1614 return Visit(MakeCXCursor(E, StmtParent, TU));
1619 bool CursorVisitor::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) {
1620 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1623 bool CursorVisitor::VisitAtomicTypeLoc(AtomicTypeLoc TL) {
1624 return Visit(TL.getValueLoc());
1627 #define DEFAULT_TYPELOC_IMPL(CLASS, PARENT) \
1628 bool CursorVisitor::Visit##CLASS##TypeLoc(CLASS##TypeLoc TL) { \
1629 return Visit##PARENT##Loc(TL); \
1632 DEFAULT_TYPELOC_IMPL(Complex, Type)
1633 DEFAULT_TYPELOC_IMPL(ConstantArray, ArrayType)
1634 DEFAULT_TYPELOC_IMPL(IncompleteArray, ArrayType)
1635 DEFAULT_TYPELOC_IMPL(VariableArray, ArrayType)
1636 DEFAULT_TYPELOC_IMPL(DependentSizedArray, ArrayType)
1637 DEFAULT_TYPELOC_IMPL(DependentSizedExtVector, Type)
1638 DEFAULT_TYPELOC_IMPL(Vector, Type)
1639 DEFAULT_TYPELOC_IMPL(ExtVector, VectorType)
1640 DEFAULT_TYPELOC_IMPL(FunctionProto, FunctionType)
1641 DEFAULT_TYPELOC_IMPL(FunctionNoProto, FunctionType)
1642 DEFAULT_TYPELOC_IMPL(Record, TagType)
1643 DEFAULT_TYPELOC_IMPL(Enum, TagType)
1644 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParm, Type)
1645 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParmPack, Type)
1646 DEFAULT_TYPELOC_IMPL(Auto, Type)
1648 bool CursorVisitor::VisitCXXRecordDecl(CXXRecordDecl *D) {
1649 // Visit the nested-name-specifier, if present.
1650 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1651 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1654 if (D->isCompleteDefinition()) {
1655 for (CXXRecordDecl::base_class_iterator I = D->bases_begin(),
1656 E = D->bases_end(); I != E; ++I) {
1657 if (Visit(cxcursor::MakeCursorCXXBaseSpecifier(I, TU)))
1662 return VisitTagDecl(D);
1665 bool CursorVisitor::VisitAttributes(Decl *D) {
1666 for (AttrVec::const_iterator i = D->attr_begin(), e = D->attr_end();
1668 if (Visit(MakeCXCursor(*i, D, TU)))
1674 //===----------------------------------------------------------------------===//
1675 // Data-recursive visitor methods.
1676 //===----------------------------------------------------------------------===//
1679 #define DEF_JOB(NAME, DATA, KIND)\
1680 class NAME : public VisitorJob {\
1682 NAME(const DATA *d, CXCursor parent) : \
1683 VisitorJob(parent, VisitorJob::KIND, d) {} \
1684 static bool classof(const VisitorJob *VJ) { return VJ->getKind() == KIND; }\
1685 const DATA *get() const { return static_cast<const DATA*>(data[0]); }\
1688 DEF_JOB(StmtVisit, Stmt, StmtVisitKind)
1689 DEF_JOB(MemberExprParts, MemberExpr, MemberExprPartsKind)
1690 DEF_JOB(DeclRefExprParts, DeclRefExpr, DeclRefExprPartsKind)
1691 DEF_JOB(OverloadExprParts, OverloadExpr, OverloadExprPartsKind)
1692 DEF_JOB(ExplicitTemplateArgsVisit, ASTTemplateArgumentListInfo,
1693 ExplicitTemplateArgsVisitKind)
1694 DEF_JOB(SizeOfPackExprParts, SizeOfPackExpr, SizeOfPackExprPartsKind)
1695 DEF_JOB(LambdaExprParts, LambdaExpr, LambdaExprPartsKind)
1696 DEF_JOB(PostChildrenVisit, void, PostChildrenVisitKind)
1699 class DeclVisit : public VisitorJob {
1701 DeclVisit(const Decl *D, CXCursor parent, bool isFirst) :
1702 VisitorJob(parent, VisitorJob::DeclVisitKind,
1703 D, isFirst ? (void*) 1 : (void*) 0) {}
1704 static bool classof(const VisitorJob *VJ) {
1705 return VJ->getKind() == DeclVisitKind;
1707 const Decl *get() const { return static_cast<const Decl *>(data[0]); }
1708 bool isFirst() const { return data[1] ? true : false; }
1710 class TypeLocVisit : public VisitorJob {
1712 TypeLocVisit(TypeLoc tl, CXCursor parent) :
1713 VisitorJob(parent, VisitorJob::TypeLocVisitKind,
1714 tl.getType().getAsOpaquePtr(), tl.getOpaqueData()) {}
1716 static bool classof(const VisitorJob *VJ) {
1717 return VJ->getKind() == TypeLocVisitKind;
1720 TypeLoc get() const {
1721 QualType T = QualType::getFromOpaquePtr(data[0]);
1722 return TypeLoc(T, const_cast<void *>(data[1]));
1726 class LabelRefVisit : public VisitorJob {
1728 LabelRefVisit(LabelDecl *LD, SourceLocation labelLoc, CXCursor parent)
1729 : VisitorJob(parent, VisitorJob::LabelRefVisitKind, LD,
1730 labelLoc.getPtrEncoding()) {}
1732 static bool classof(const VisitorJob *VJ) {
1733 return VJ->getKind() == VisitorJob::LabelRefVisitKind;
1735 const LabelDecl *get() const {
1736 return static_cast<const LabelDecl *>(data[0]);
1738 SourceLocation getLoc() const {
1739 return SourceLocation::getFromPtrEncoding(data[1]); }
1742 class NestedNameSpecifierLocVisit : public VisitorJob {
1744 NestedNameSpecifierLocVisit(NestedNameSpecifierLoc Qualifier, CXCursor parent)
1745 : VisitorJob(parent, VisitorJob::NestedNameSpecifierLocVisitKind,
1746 Qualifier.getNestedNameSpecifier(),
1747 Qualifier.getOpaqueData()) { }
1749 static bool classof(const VisitorJob *VJ) {
1750 return VJ->getKind() == VisitorJob::NestedNameSpecifierLocVisitKind;
1753 NestedNameSpecifierLoc get() const {
1754 return NestedNameSpecifierLoc(
1755 const_cast<NestedNameSpecifier *>(
1756 static_cast<const NestedNameSpecifier *>(data[0])),
1757 const_cast<void *>(data[1]));
1761 class DeclarationNameInfoVisit : public VisitorJob {
1763 DeclarationNameInfoVisit(const Stmt *S, CXCursor parent)
1764 : VisitorJob(parent, VisitorJob::DeclarationNameInfoVisitKind, S) {}
1765 static bool classof(const VisitorJob *VJ) {
1766 return VJ->getKind() == VisitorJob::DeclarationNameInfoVisitKind;
1768 DeclarationNameInfo get() const {
1769 const Stmt *S = static_cast<const Stmt *>(data[0]);
1770 switch (S->getStmtClass()) {
1772 llvm_unreachable("Unhandled Stmt");
1773 case clang::Stmt::MSDependentExistsStmtClass:
1774 return cast<MSDependentExistsStmt>(S)->getNameInfo();
1775 case Stmt::CXXDependentScopeMemberExprClass:
1776 return cast<CXXDependentScopeMemberExpr>(S)->getMemberNameInfo();
1777 case Stmt::DependentScopeDeclRefExprClass:
1778 return cast<DependentScopeDeclRefExpr>(S)->getNameInfo();
1782 class MemberRefVisit : public VisitorJob {
1784 MemberRefVisit(const FieldDecl *D, SourceLocation L, CXCursor parent)
1785 : VisitorJob(parent, VisitorJob::MemberRefVisitKind, D,
1786 L.getPtrEncoding()) {}
1787 static bool classof(const VisitorJob *VJ) {
1788 return VJ->getKind() == VisitorJob::MemberRefVisitKind;
1790 const FieldDecl *get() const {
1791 return static_cast<const FieldDecl *>(data[0]);
1793 SourceLocation getLoc() const {
1794 return SourceLocation::getFromRawEncoding((unsigned)(uintptr_t) data[1]);
1797 class EnqueueVisitor : public ConstStmtVisitor<EnqueueVisitor, void> {
1798 VisitorWorkList &WL;
1801 EnqueueVisitor(VisitorWorkList &wl, CXCursor parent)
1802 : WL(wl), Parent(parent) {}
1804 void VisitAddrLabelExpr(const AddrLabelExpr *E);
1805 void VisitBlockExpr(const BlockExpr *B);
1806 void VisitCompoundLiteralExpr(const CompoundLiteralExpr *E);
1807 void VisitCompoundStmt(const CompoundStmt *S);
1808 void VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *E) { /* Do nothing. */ }
1809 void VisitMSDependentExistsStmt(const MSDependentExistsStmt *S);
1810 void VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E);
1811 void VisitCXXNewExpr(const CXXNewExpr *E);
1812 void VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *E);
1813 void VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *E);
1814 void VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *E);
1815 void VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *E);
1816 void VisitCXXTypeidExpr(const CXXTypeidExpr *E);
1817 void VisitCXXUnresolvedConstructExpr(const CXXUnresolvedConstructExpr *E);
1818 void VisitCXXUuidofExpr(const CXXUuidofExpr *E);
1819 void VisitCXXCatchStmt(const CXXCatchStmt *S);
1820 void VisitDeclRefExpr(const DeclRefExpr *D);
1821 void VisitDeclStmt(const DeclStmt *S);
1822 void VisitDependentScopeDeclRefExpr(const DependentScopeDeclRefExpr *E);
1823 void VisitDesignatedInitExpr(const DesignatedInitExpr *E);
1824 void VisitExplicitCastExpr(const ExplicitCastExpr *E);
1825 void VisitForStmt(const ForStmt *FS);
1826 void VisitGotoStmt(const GotoStmt *GS);
1827 void VisitIfStmt(const IfStmt *If);
1828 void VisitInitListExpr(const InitListExpr *IE);
1829 void VisitMemberExpr(const MemberExpr *M);
1830 void VisitOffsetOfExpr(const OffsetOfExpr *E);
1831 void VisitObjCEncodeExpr(const ObjCEncodeExpr *E);
1832 void VisitObjCMessageExpr(const ObjCMessageExpr *M);
1833 void VisitOverloadExpr(const OverloadExpr *E);
1834 void VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *E);
1835 void VisitStmt(const Stmt *S);
1836 void VisitSwitchStmt(const SwitchStmt *S);
1837 void VisitWhileStmt(const WhileStmt *W);
1838 void VisitUnaryTypeTraitExpr(const UnaryTypeTraitExpr *E);
1839 void VisitBinaryTypeTraitExpr(const BinaryTypeTraitExpr *E);
1840 void VisitTypeTraitExpr(const TypeTraitExpr *E);
1841 void VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E);
1842 void VisitExpressionTraitExpr(const ExpressionTraitExpr *E);
1843 void VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U);
1844 void VisitVAArgExpr(const VAArgExpr *E);
1845 void VisitSizeOfPackExpr(const SizeOfPackExpr *E);
1846 void VisitPseudoObjectExpr(const PseudoObjectExpr *E);
1847 void VisitOpaqueValueExpr(const OpaqueValueExpr *E);
1848 void VisitLambdaExpr(const LambdaExpr *E);
1851 void AddDeclarationNameInfo(const Stmt *S);
1852 void AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier);
1853 void AddExplicitTemplateArgs(const ASTTemplateArgumentListInfo *A);
1854 void AddMemberRef(const FieldDecl *D, SourceLocation L);
1855 void AddStmt(const Stmt *S);
1856 void AddDecl(const Decl *D, bool isFirst = true);
1857 void AddTypeLoc(TypeSourceInfo *TI);
1858 void EnqueueChildren(const Stmt *S);
1860 } // end anonyous namespace
1862 void EnqueueVisitor::AddDeclarationNameInfo(const Stmt *S) {
1863 // 'S' should always be non-null, since it comes from the
1864 // statement we are visiting.
1865 WL.push_back(DeclarationNameInfoVisit(S, Parent));
1869 EnqueueVisitor::AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1871 WL.push_back(NestedNameSpecifierLocVisit(Qualifier, Parent));
1874 void EnqueueVisitor::AddStmt(const Stmt *S) {
1876 WL.push_back(StmtVisit(S, Parent));
1878 void EnqueueVisitor::AddDecl(const Decl *D, bool isFirst) {
1880 WL.push_back(DeclVisit(D, Parent, isFirst));
1882 void EnqueueVisitor::
1883 AddExplicitTemplateArgs(const ASTTemplateArgumentListInfo *A) {
1885 WL.push_back(ExplicitTemplateArgsVisit(A, Parent));
1887 void EnqueueVisitor::AddMemberRef(const FieldDecl *D, SourceLocation L) {
1889 WL.push_back(MemberRefVisit(D, L, Parent));
1891 void EnqueueVisitor::AddTypeLoc(TypeSourceInfo *TI) {
1893 WL.push_back(TypeLocVisit(TI->getTypeLoc(), Parent));
1895 void EnqueueVisitor::EnqueueChildren(const Stmt *S) {
1896 unsigned size = WL.size();
1897 for (Stmt::const_child_range Child = S->children(); Child; ++Child) {
1900 if (size == WL.size())
1902 // Now reverse the entries we just added. This will match the DFS
1903 // ordering performed by the worklist.
1904 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
1907 void EnqueueVisitor::VisitAddrLabelExpr(const AddrLabelExpr *E) {
1908 WL.push_back(LabelRefVisit(E->getLabel(), E->getLabelLoc(), Parent));
1910 void EnqueueVisitor::VisitBlockExpr(const BlockExpr *B) {
1911 AddDecl(B->getBlockDecl());
1913 void EnqueueVisitor::VisitCompoundLiteralExpr(const CompoundLiteralExpr *E) {
1915 AddTypeLoc(E->getTypeSourceInfo());
1917 void EnqueueVisitor::VisitCompoundStmt(const CompoundStmt *S) {
1918 for (CompoundStmt::const_reverse_body_iterator I = S->body_rbegin(),
1919 E = S->body_rend(); I != E; ++I) {
1923 void EnqueueVisitor::
1924 VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
1925 AddStmt(S->getSubStmt());
1926 AddDeclarationNameInfo(S);
1927 if (NestedNameSpecifierLoc QualifierLoc = S->getQualifierLoc())
1928 AddNestedNameSpecifierLoc(QualifierLoc);
1931 void EnqueueVisitor::
1932 VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E) {
1933 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
1934 AddDeclarationNameInfo(E);
1935 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
1936 AddNestedNameSpecifierLoc(QualifierLoc);
1937 if (!E->isImplicitAccess())
1938 AddStmt(E->getBase());
1940 void EnqueueVisitor::VisitCXXNewExpr(const CXXNewExpr *E) {
1941 // Enqueue the initializer , if any.
1942 AddStmt(E->getInitializer());
1943 // Enqueue the array size, if any.
1944 AddStmt(E->getArraySize());
1945 // Enqueue the allocated type.
1946 AddTypeLoc(E->getAllocatedTypeSourceInfo());
1947 // Enqueue the placement arguments.
1948 for (unsigned I = E->getNumPlacementArgs(); I > 0; --I)
1949 AddStmt(E->getPlacementArg(I-1));
1951 void EnqueueVisitor::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *CE) {
1952 for (unsigned I = CE->getNumArgs(); I > 1 /* Yes, this is 1 */; --I)
1953 AddStmt(CE->getArg(I-1));
1954 AddStmt(CE->getCallee());
1955 AddStmt(CE->getArg(0));
1957 void EnqueueVisitor::VisitCXXPseudoDestructorExpr(
1958 const CXXPseudoDestructorExpr *E) {
1959 // Visit the name of the type being destroyed.
1960 AddTypeLoc(E->getDestroyedTypeInfo());
1961 // Visit the scope type that looks disturbingly like the nested-name-specifier
1963 AddTypeLoc(E->getScopeTypeInfo());
1964 // Visit the nested-name-specifier.
1965 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
1966 AddNestedNameSpecifierLoc(QualifierLoc);
1967 // Visit base expression.
1968 AddStmt(E->getBase());
1970 void EnqueueVisitor::VisitCXXScalarValueInitExpr(
1971 const CXXScalarValueInitExpr *E) {
1972 AddTypeLoc(E->getTypeSourceInfo());
1974 void EnqueueVisitor::VisitCXXTemporaryObjectExpr(
1975 const CXXTemporaryObjectExpr *E) {
1977 AddTypeLoc(E->getTypeSourceInfo());
1979 void EnqueueVisitor::VisitCXXTypeidExpr(const CXXTypeidExpr *E) {
1981 if (E->isTypeOperand())
1982 AddTypeLoc(E->getTypeOperandSourceInfo());
1985 void EnqueueVisitor::VisitCXXUnresolvedConstructExpr(
1986 const CXXUnresolvedConstructExpr *E) {
1988 AddTypeLoc(E->getTypeSourceInfo());
1990 void EnqueueVisitor::VisitCXXUuidofExpr(const CXXUuidofExpr *E) {
1992 if (E->isTypeOperand())
1993 AddTypeLoc(E->getTypeOperandSourceInfo());
1996 void EnqueueVisitor::VisitCXXCatchStmt(const CXXCatchStmt *S) {
1998 AddDecl(S->getExceptionDecl());
2001 void EnqueueVisitor::VisitDeclRefExpr(const DeclRefExpr *DR) {
2002 if (DR->hasExplicitTemplateArgs()) {
2003 AddExplicitTemplateArgs(&DR->getExplicitTemplateArgs());
2005 WL.push_back(DeclRefExprParts(DR, Parent));
2007 void EnqueueVisitor::VisitDependentScopeDeclRefExpr(
2008 const DependentScopeDeclRefExpr *E) {
2009 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
2010 AddDeclarationNameInfo(E);
2011 AddNestedNameSpecifierLoc(E->getQualifierLoc());
2013 void EnqueueVisitor::VisitDeclStmt(const DeclStmt *S) {
2014 unsigned size = WL.size();
2015 bool isFirst = true;
2016 for (DeclStmt::const_decl_iterator D = S->decl_begin(), DEnd = S->decl_end();
2018 AddDecl(*D, isFirst);
2021 if (size == WL.size())
2023 // Now reverse the entries we just added. This will match the DFS
2024 // ordering performed by the worklist.
2025 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2028 void EnqueueVisitor::VisitDesignatedInitExpr(const DesignatedInitExpr *E) {
2029 AddStmt(E->getInit());
2030 typedef DesignatedInitExpr::Designator Designator;
2031 for (DesignatedInitExpr::const_reverse_designators_iterator
2032 D = E->designators_rbegin(), DEnd = E->designators_rend();
2034 if (D->isFieldDesignator()) {
2035 if (FieldDecl *Field = D->getField())
2036 AddMemberRef(Field, D->getFieldLoc());
2039 if (D->isArrayDesignator()) {
2040 AddStmt(E->getArrayIndex(*D));
2043 assert(D->isArrayRangeDesignator() && "Unknown designator kind");
2044 AddStmt(E->getArrayRangeEnd(*D));
2045 AddStmt(E->getArrayRangeStart(*D));
2048 void EnqueueVisitor::VisitExplicitCastExpr(const ExplicitCastExpr *E) {
2050 AddTypeLoc(E->getTypeInfoAsWritten());
2052 void EnqueueVisitor::VisitForStmt(const ForStmt *FS) {
2053 AddStmt(FS->getBody());
2054 AddStmt(FS->getInc());
2055 AddStmt(FS->getCond());
2056 AddDecl(FS->getConditionVariable());
2057 AddStmt(FS->getInit());
2059 void EnqueueVisitor::VisitGotoStmt(const GotoStmt *GS) {
2060 WL.push_back(LabelRefVisit(GS->getLabel(), GS->getLabelLoc(), Parent));
2062 void EnqueueVisitor::VisitIfStmt(const IfStmt *If) {
2063 AddStmt(If->getElse());
2064 AddStmt(If->getThen());
2065 AddStmt(If->getCond());
2066 AddDecl(If->getConditionVariable());
2068 void EnqueueVisitor::VisitInitListExpr(const InitListExpr *IE) {
2069 // We care about the syntactic form of the initializer list, only.
2070 if (InitListExpr *Syntactic = IE->getSyntacticForm())
2072 EnqueueChildren(IE);
2074 void EnqueueVisitor::VisitMemberExpr(const MemberExpr *M) {
2075 WL.push_back(MemberExprParts(M, Parent));
2077 // If the base of the member access expression is an implicit 'this', don't
2079 // FIXME: If we ever want to show these implicit accesses, this will be
2080 // unfortunate. However, clang_getCursor() relies on this behavior.
2081 if (!M->isImplicitAccess())
2082 AddStmt(M->getBase());
2084 void EnqueueVisitor::VisitObjCEncodeExpr(const ObjCEncodeExpr *E) {
2085 AddTypeLoc(E->getEncodedTypeSourceInfo());
2087 void EnqueueVisitor::VisitObjCMessageExpr(const ObjCMessageExpr *M) {
2089 AddTypeLoc(M->getClassReceiverTypeInfo());
2091 void EnqueueVisitor::VisitOffsetOfExpr(const OffsetOfExpr *E) {
2092 // Visit the components of the offsetof expression.
2093 for (unsigned N = E->getNumComponents(), I = N; I > 0; --I) {
2094 typedef OffsetOfExpr::OffsetOfNode OffsetOfNode;
2095 const OffsetOfNode &Node = E->getComponent(I-1);
2096 switch (Node.getKind()) {
2097 case OffsetOfNode::Array:
2098 AddStmt(E->getIndexExpr(Node.getArrayExprIndex()));
2100 case OffsetOfNode::Field:
2101 AddMemberRef(Node.getField(), Node.getSourceRange().getEnd());
2103 case OffsetOfNode::Identifier:
2104 case OffsetOfNode::Base:
2108 // Visit the type into which we're computing the offset.
2109 AddTypeLoc(E->getTypeSourceInfo());
2111 void EnqueueVisitor::VisitOverloadExpr(const OverloadExpr *E) {
2112 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
2113 WL.push_back(OverloadExprParts(E, Parent));
2115 void EnqueueVisitor::VisitUnaryExprOrTypeTraitExpr(
2116 const UnaryExprOrTypeTraitExpr *E) {
2118 if (E->isArgumentType())
2119 AddTypeLoc(E->getArgumentTypeInfo());
2121 void EnqueueVisitor::VisitStmt(const Stmt *S) {
2124 void EnqueueVisitor::VisitSwitchStmt(const SwitchStmt *S) {
2125 AddStmt(S->getBody());
2126 AddStmt(S->getCond());
2127 AddDecl(S->getConditionVariable());
2130 void EnqueueVisitor::VisitWhileStmt(const WhileStmt *W) {
2131 AddStmt(W->getBody());
2132 AddStmt(W->getCond());
2133 AddDecl(W->getConditionVariable());
2136 void EnqueueVisitor::VisitUnaryTypeTraitExpr(const UnaryTypeTraitExpr *E) {
2137 AddTypeLoc(E->getQueriedTypeSourceInfo());
2140 void EnqueueVisitor::VisitBinaryTypeTraitExpr(const BinaryTypeTraitExpr *E) {
2141 AddTypeLoc(E->getRhsTypeSourceInfo());
2142 AddTypeLoc(E->getLhsTypeSourceInfo());
2145 void EnqueueVisitor::VisitTypeTraitExpr(const TypeTraitExpr *E) {
2146 for (unsigned I = E->getNumArgs(); I > 0; --I)
2147 AddTypeLoc(E->getArg(I-1));
2150 void EnqueueVisitor::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E) {
2151 AddTypeLoc(E->getQueriedTypeSourceInfo());
2154 void EnqueueVisitor::VisitExpressionTraitExpr(const ExpressionTraitExpr *E) {
2158 void EnqueueVisitor::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U) {
2159 VisitOverloadExpr(U);
2160 if (!U->isImplicitAccess())
2161 AddStmt(U->getBase());
2163 void EnqueueVisitor::VisitVAArgExpr(const VAArgExpr *E) {
2164 AddStmt(E->getSubExpr());
2165 AddTypeLoc(E->getWrittenTypeInfo());
2167 void EnqueueVisitor::VisitSizeOfPackExpr(const SizeOfPackExpr *E) {
2168 WL.push_back(SizeOfPackExprParts(E, Parent));
2170 void EnqueueVisitor::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
2171 // If the opaque value has a source expression, just transparently
2172 // visit that. This is useful for (e.g.) pseudo-object expressions.
2173 if (Expr *SourceExpr = E->getSourceExpr())
2174 return Visit(SourceExpr);
2176 void EnqueueVisitor::VisitLambdaExpr(const LambdaExpr *E) {
2177 AddStmt(E->getBody());
2178 WL.push_back(LambdaExprParts(E, Parent));
2180 void EnqueueVisitor::VisitPseudoObjectExpr(const PseudoObjectExpr *E) {
2181 // Treat the expression like its syntactic form.
2182 Visit(E->getSyntacticForm());
2185 void CursorVisitor::EnqueueWorkList(VisitorWorkList &WL, const Stmt *S) {
2186 EnqueueVisitor(WL, MakeCXCursor(S, StmtParent, TU,RegionOfInterest)).Visit(S);
2189 bool CursorVisitor::IsInRegionOfInterest(CXCursor C) {
2190 if (RegionOfInterest.isValid()) {
2191 SourceRange Range = getRawCursorExtent(C);
2192 if (Range.isInvalid() || CompareRegionOfInterest(Range))
2198 bool CursorVisitor::RunVisitorWorkList(VisitorWorkList &WL) {
2199 while (!WL.empty()) {
2200 // Dequeue the worklist item.
2201 VisitorJob LI = WL.back();
2204 // Set the Parent field, then back to its old value once we're done.
2205 SetParentRAII SetParent(Parent, StmtParent, LI.getParent());
2207 switch (LI.getKind()) {
2208 case VisitorJob::DeclVisitKind: {
2209 const Decl *D = cast<DeclVisit>(&LI)->get();
2213 // For now, perform default visitation for Decls.
2214 if (Visit(MakeCXCursor(D, TU, RegionOfInterest,
2215 cast<DeclVisit>(&LI)->isFirst())))
2220 case VisitorJob::ExplicitTemplateArgsVisitKind: {
2221 const ASTTemplateArgumentListInfo *ArgList =
2222 cast<ExplicitTemplateArgsVisit>(&LI)->get();
2223 for (const TemplateArgumentLoc *Arg = ArgList->getTemplateArgs(),
2224 *ArgEnd = Arg + ArgList->NumTemplateArgs;
2225 Arg != ArgEnd; ++Arg) {
2226 if (VisitTemplateArgumentLoc(*Arg))
2231 case VisitorJob::TypeLocVisitKind: {
2232 // Perform default visitation for TypeLocs.
2233 if (Visit(cast<TypeLocVisit>(&LI)->get()))
2237 case VisitorJob::LabelRefVisitKind: {
2238 const LabelDecl *LS = cast<LabelRefVisit>(&LI)->get();
2239 if (LabelStmt *stmt = LS->getStmt()) {
2240 if (Visit(MakeCursorLabelRef(stmt, cast<LabelRefVisit>(&LI)->getLoc(),
2248 case VisitorJob::NestedNameSpecifierLocVisitKind: {
2249 NestedNameSpecifierLocVisit *V = cast<NestedNameSpecifierLocVisit>(&LI);
2250 if (VisitNestedNameSpecifierLoc(V->get()))
2255 case VisitorJob::DeclarationNameInfoVisitKind: {
2256 if (VisitDeclarationNameInfo(cast<DeclarationNameInfoVisit>(&LI)
2261 case VisitorJob::MemberRefVisitKind: {
2262 MemberRefVisit *V = cast<MemberRefVisit>(&LI);
2263 if (Visit(MakeCursorMemberRef(V->get(), V->getLoc(), TU)))
2267 case VisitorJob::StmtVisitKind: {
2268 const Stmt *S = cast<StmtVisit>(&LI)->get();
2272 // Update the current cursor.
2273 CXCursor Cursor = MakeCXCursor(S, StmtParent, TU, RegionOfInterest);
2274 if (!IsInRegionOfInterest(Cursor))
2276 switch (Visitor(Cursor, Parent, ClientData)) {
2277 case CXChildVisit_Break: return true;
2278 case CXChildVisit_Continue: break;
2279 case CXChildVisit_Recurse:
2280 if (PostChildrenVisitor)
2281 WL.push_back(PostChildrenVisit(0, Cursor));
2282 EnqueueWorkList(WL, S);
2287 case VisitorJob::MemberExprPartsKind: {
2288 // Handle the other pieces in the MemberExpr besides the base.
2289 const MemberExpr *M = cast<MemberExprParts>(&LI)->get();
2291 // Visit the nested-name-specifier
2292 if (NestedNameSpecifierLoc QualifierLoc = M->getQualifierLoc())
2293 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2296 // Visit the declaration name.
2297 if (VisitDeclarationNameInfo(M->getMemberNameInfo()))
2300 // Visit the explicitly-specified template arguments, if any.
2301 if (M->hasExplicitTemplateArgs()) {
2302 for (const TemplateArgumentLoc *Arg = M->getTemplateArgs(),
2303 *ArgEnd = Arg + M->getNumTemplateArgs();
2304 Arg != ArgEnd; ++Arg) {
2305 if (VisitTemplateArgumentLoc(*Arg))
2311 case VisitorJob::DeclRefExprPartsKind: {
2312 const DeclRefExpr *DR = cast<DeclRefExprParts>(&LI)->get();
2313 // Visit nested-name-specifier, if present.
2314 if (NestedNameSpecifierLoc QualifierLoc = DR->getQualifierLoc())
2315 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2317 // Visit declaration name.
2318 if (VisitDeclarationNameInfo(DR->getNameInfo()))
2322 case VisitorJob::OverloadExprPartsKind: {
2323 const OverloadExpr *O = cast<OverloadExprParts>(&LI)->get();
2324 // Visit the nested-name-specifier.
2325 if (NestedNameSpecifierLoc QualifierLoc = O->getQualifierLoc())
2326 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2328 // Visit the declaration name.
2329 if (VisitDeclarationNameInfo(O->getNameInfo()))
2331 // Visit the overloaded declaration reference.
2332 if (Visit(MakeCursorOverloadedDeclRef(O, TU)))
2336 case VisitorJob::SizeOfPackExprPartsKind: {
2337 const SizeOfPackExpr *E = cast<SizeOfPackExprParts>(&LI)->get();
2338 NamedDecl *Pack = E->getPack();
2339 if (isa<TemplateTypeParmDecl>(Pack)) {
2340 if (Visit(MakeCursorTypeRef(cast<TemplateTypeParmDecl>(Pack),
2341 E->getPackLoc(), TU)))
2347 if (isa<TemplateTemplateParmDecl>(Pack)) {
2348 if (Visit(MakeCursorTemplateRef(cast<TemplateTemplateParmDecl>(Pack),
2349 E->getPackLoc(), TU)))
2355 // Non-type template parameter packs and function parameter packs are
2356 // treated like DeclRefExpr cursors.
2360 case VisitorJob::LambdaExprPartsKind: {
2362 const LambdaExpr *E = cast<LambdaExprParts>(&LI)->get();
2363 for (LambdaExpr::capture_iterator C = E->explicit_capture_begin(),
2364 CEnd = E->explicit_capture_end();
2366 if (C->capturesThis())
2369 if (Visit(MakeCursorVariableRef(C->getCapturedVar(),
2375 // Visit parameters and return type, if present.
2376 if (E->hasExplicitParameters() || E->hasExplicitResultType()) {
2377 TypeLoc TL = E->getCallOperator()->getTypeSourceInfo()->getTypeLoc();
2378 if (E->hasExplicitParameters() && E->hasExplicitResultType()) {
2379 // Visit the whole type.
2382 } else if (FunctionProtoTypeLoc Proto =
2383 TL.getAs<FunctionProtoTypeLoc>()) {
2384 if (E->hasExplicitParameters()) {
2385 // Visit parameters.
2386 for (unsigned I = 0, N = Proto.getNumArgs(); I != N; ++I)
2387 if (Visit(MakeCXCursor(Proto.getArg(I), TU)))
2390 // Visit result type.
2391 if (Visit(Proto.getResultLoc()))
2399 case VisitorJob::PostChildrenVisitKind:
2400 if (PostChildrenVisitor(Parent, ClientData))
2408 bool CursorVisitor::Visit(const Stmt *S) {
2409 VisitorWorkList *WL = 0;
2410 if (!WorkListFreeList.empty()) {
2411 WL = WorkListFreeList.back();
2413 WorkListFreeList.pop_back();
2416 WL = new VisitorWorkList();
2417 WorkListCache.push_back(WL);
2419 EnqueueWorkList(*WL, S);
2420 bool result = RunVisitorWorkList(*WL);
2421 WorkListFreeList.push_back(WL);
2426 typedef SmallVector<SourceRange, 4> RefNamePieces;
2427 RefNamePieces buildPieces(unsigned NameFlags, bool IsMemberRefExpr,
2428 const DeclarationNameInfo &NI,
2429 const SourceRange &QLoc,
2430 const ASTTemplateArgumentListInfo *TemplateArgs = 0){
2431 const bool WantQualifier = NameFlags & CXNameRange_WantQualifier;
2432 const bool WantTemplateArgs = NameFlags & CXNameRange_WantTemplateArgs;
2433 const bool WantSinglePiece = NameFlags & CXNameRange_WantSinglePiece;
2435 const DeclarationName::NameKind Kind = NI.getName().getNameKind();
2437 RefNamePieces Pieces;
2439 if (WantQualifier && QLoc.isValid())
2440 Pieces.push_back(QLoc);
2442 if (Kind != DeclarationName::CXXOperatorName || IsMemberRefExpr)
2443 Pieces.push_back(NI.getLoc());
2445 if (WantTemplateArgs && TemplateArgs)
2446 Pieces.push_back(SourceRange(TemplateArgs->LAngleLoc,
2447 TemplateArgs->RAngleLoc));
2449 if (Kind == DeclarationName::CXXOperatorName) {
2450 Pieces.push_back(SourceLocation::getFromRawEncoding(
2451 NI.getInfo().CXXOperatorName.BeginOpNameLoc));
2452 Pieces.push_back(SourceLocation::getFromRawEncoding(
2453 NI.getInfo().CXXOperatorName.EndOpNameLoc));
2456 if (WantSinglePiece) {
2457 SourceRange R(Pieces.front().getBegin(), Pieces.back().getEnd());
2459 Pieces.push_back(R);
2466 //===----------------------------------------------------------------------===//
2468 //===----------------------------------------------------------------------===//
2470 static llvm::sys::Mutex EnableMultithreadingMutex;
2471 static bool EnabledMultithreading;
2473 static void fatal_error_handler(void *user_data, const std::string& reason,
2474 bool gen_crash_diag) {
2475 // Write the result out to stderr avoiding errs() because raw_ostreams can
2476 // call report_fatal_error.
2477 fprintf(stderr, "LIBCLANG FATAL ERROR: %s\n", reason.c_str());
2482 CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
2483 int displayDiagnostics) {
2484 // Disable pretty stack trace functionality, which will otherwise be a very
2485 // poor citizen of the world and set up all sorts of signal handlers.
2486 llvm::DisablePrettyStackTrace = true;
2488 // We use crash recovery to make some of our APIs more reliable, implicitly
2490 llvm::CrashRecoveryContext::Enable();
2492 // Enable support for multithreading in LLVM.
2494 llvm::sys::ScopedLock L(EnableMultithreadingMutex);
2495 if (!EnabledMultithreading) {
2496 llvm::install_fatal_error_handler(fatal_error_handler, 0);
2497 llvm::llvm_start_multithreaded();
2498 EnabledMultithreading = true;
2502 CIndexer *CIdxr = new CIndexer();
2503 if (excludeDeclarationsFromPCH)
2504 CIdxr->setOnlyLocalDecls();
2505 if (displayDiagnostics)
2506 CIdxr->setDisplayDiagnostics();
2508 if (getenv("LIBCLANG_BGPRIO_INDEX"))
2509 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
2510 CXGlobalOpt_ThreadBackgroundPriorityForIndexing);
2511 if (getenv("LIBCLANG_BGPRIO_EDIT"))
2512 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
2513 CXGlobalOpt_ThreadBackgroundPriorityForEditing);
2518 void clang_disposeIndex(CXIndex CIdx) {
2520 delete static_cast<CIndexer *>(CIdx);
2523 void clang_CXIndex_setGlobalOptions(CXIndex CIdx, unsigned options) {
2525 static_cast<CIndexer *>(CIdx)->setCXGlobalOptFlags(options);
2528 unsigned clang_CXIndex_getGlobalOptions(CXIndex CIdx) {
2530 return static_cast<CIndexer *>(CIdx)->getCXGlobalOptFlags();
2534 void clang_toggleCrashRecovery(unsigned isEnabled) {
2536 llvm::CrashRecoveryContext::Enable();
2538 llvm::CrashRecoveryContext::Disable();
2541 CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
2542 const char *ast_filename) {
2546 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
2547 FileSystemOptions FileSystemOpts;
2549 IntrusiveRefCntPtr<DiagnosticsEngine> Diags;
2550 ASTUnit *TU = ASTUnit::LoadFromASTFile(ast_filename, Diags, FileSystemOpts,
2551 CXXIdx->getOnlyLocalDecls(),
2553 /*CaptureDiagnostics=*/true,
2554 /*AllowPCHWithCompilerErrors=*/true,
2555 /*UserFilesAreVolatile=*/true);
2556 return MakeCXTranslationUnit(CXXIdx, TU);
2559 unsigned clang_defaultEditingTranslationUnitOptions() {
2560 return CXTranslationUnit_PrecompiledPreamble |
2561 CXTranslationUnit_CacheCompletionResults;
2565 clang_createTranslationUnitFromSourceFile(CXIndex CIdx,
2566 const char *source_filename,
2567 int num_command_line_args,
2568 const char * const *command_line_args,
2569 unsigned num_unsaved_files,
2570 struct CXUnsavedFile *unsaved_files) {
2571 unsigned Options = CXTranslationUnit_DetailedPreprocessingRecord;
2572 return clang_parseTranslationUnit(CIdx, source_filename,
2573 command_line_args, num_command_line_args,
2574 unsaved_files, num_unsaved_files,
2578 struct ParseTranslationUnitInfo {
2580 const char *source_filename;
2581 const char *const *command_line_args;
2582 int num_command_line_args;
2583 struct CXUnsavedFile *unsaved_files;
2584 unsigned num_unsaved_files;
2586 CXTranslationUnit result;
2588 static void clang_parseTranslationUnit_Impl(void *UserData) {
2589 ParseTranslationUnitInfo *PTUI =
2590 static_cast<ParseTranslationUnitInfo*>(UserData);
2591 CXIndex CIdx = PTUI->CIdx;
2592 const char *source_filename = PTUI->source_filename;
2593 const char * const *command_line_args = PTUI->command_line_args;
2594 int num_command_line_args = PTUI->num_command_line_args;
2595 struct CXUnsavedFile *unsaved_files = PTUI->unsaved_files;
2596 unsigned num_unsaved_files = PTUI->num_unsaved_files;
2597 unsigned options = PTUI->options;
2603 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
2605 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
2606 setThreadBackgroundPriority();
2608 bool PrecompilePreamble = options & CXTranslationUnit_PrecompiledPreamble;
2609 // FIXME: Add a flag for modules.
2610 TranslationUnitKind TUKind
2611 = (options & CXTranslationUnit_Incomplete)? TU_Prefix : TU_Complete;
2612 bool CacheCodeCompetionResults
2613 = options & CXTranslationUnit_CacheCompletionResults;
2614 bool IncludeBriefCommentsInCodeCompletion
2615 = options & CXTranslationUnit_IncludeBriefCommentsInCodeCompletion;
2616 bool SkipFunctionBodies = options & CXTranslationUnit_SkipFunctionBodies;
2617 bool ForSerialization = options & CXTranslationUnit_ForSerialization;
2619 // Configure the diagnostics.
2620 IntrusiveRefCntPtr<DiagnosticsEngine>
2621 Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions));
2623 // Recover resources if we crash before exiting this function.
2624 llvm::CrashRecoveryContextCleanupRegistrar<DiagnosticsEngine,
2625 llvm::CrashRecoveryContextReleaseRefCleanup<DiagnosticsEngine> >
2626 DiagCleanup(Diags.getPtr());
2628 OwningPtr<std::vector<ASTUnit::RemappedFile> >
2629 RemappedFiles(new std::vector<ASTUnit::RemappedFile>());
2631 // Recover resources if we crash before exiting this function.
2632 llvm::CrashRecoveryContextCleanupRegistrar<
2633 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
2635 for (unsigned I = 0; I != num_unsaved_files; ++I) {
2636 StringRef Data(unsaved_files[I].Contents, unsaved_files[I].Length);
2637 const llvm::MemoryBuffer *Buffer
2638 = llvm::MemoryBuffer::getMemBufferCopy(Data, unsaved_files[I].Filename);
2639 RemappedFiles->push_back(std::make_pair(unsaved_files[I].Filename,
2643 OwningPtr<std::vector<const char *> >
2644 Args(new std::vector<const char*>());
2646 // Recover resources if we crash before exiting this method.
2647 llvm::CrashRecoveryContextCleanupRegistrar<std::vector<const char*> >
2648 ArgsCleanup(Args.get());
2650 // Since the Clang C library is primarily used by batch tools dealing with
2651 // (often very broken) source code, where spell-checking can have a
2652 // significant negative impact on performance (particularly when
2653 // precompiled headers are involved), we disable it by default.
2654 // Only do this if we haven't found a spell-checking-related argument.
2655 bool FoundSpellCheckingArgument = false;
2656 for (int I = 0; I != num_command_line_args; ++I) {
2657 if (strcmp(command_line_args[I], "-fno-spell-checking") == 0 ||
2658 strcmp(command_line_args[I], "-fspell-checking") == 0) {
2659 FoundSpellCheckingArgument = true;
2663 if (!FoundSpellCheckingArgument)
2664 Args->push_back("-fno-spell-checking");
2666 Args->insert(Args->end(), command_line_args,
2667 command_line_args + num_command_line_args);
2669 // The 'source_filename' argument is optional. If the caller does not
2670 // specify it then it is assumed that the source file is specified
2671 // in the actual argument list.
2672 // Put the source file after command_line_args otherwise if '-x' flag is
2673 // present it will be unused.
2674 if (source_filename)
2675 Args->push_back(source_filename);
2677 // Do we need the detailed preprocessing record?
2678 if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
2679 Args->push_back("-Xclang");
2680 Args->push_back("-detailed-preprocessing-record");
2683 unsigned NumErrors = Diags->getClient()->getNumErrors();
2684 OwningPtr<ASTUnit> ErrUnit;
2685 OwningPtr<ASTUnit> Unit(
2686 ASTUnit::LoadFromCommandLine(Args->size() ? &(*Args)[0] : 0
2687 /* vector::data() not portable */,
2688 Args->size() ? (&(*Args)[0] + Args->size()) :0,
2690 CXXIdx->getClangResourcesPath(),
2691 CXXIdx->getOnlyLocalDecls(),
2692 /*CaptureDiagnostics=*/true,
2693 RemappedFiles->size() ? &(*RemappedFiles)[0]:0,
2694 RemappedFiles->size(),
2695 /*RemappedFilesKeepOriginalName=*/true,
2698 CacheCodeCompetionResults,
2699 IncludeBriefCommentsInCodeCompletion,
2700 /*AllowPCHWithCompilerErrors=*/true,
2702 /*UserFilesAreVolatile=*/true,
2706 if (NumErrors != Diags->getClient()->getNumErrors()) {
2707 // Make sure to check that 'Unit' is non-NULL.
2708 if (CXXIdx->getDisplayDiagnostics())
2709 printDiagsToStderr(Unit ? Unit.get() : ErrUnit.get());
2712 PTUI->result = MakeCXTranslationUnit(CXXIdx, Unit.take());
2714 CXTranslationUnit clang_parseTranslationUnit(CXIndex CIdx,
2715 const char *source_filename,
2716 const char * const *command_line_args,
2717 int num_command_line_args,
2718 struct CXUnsavedFile *unsaved_files,
2719 unsigned num_unsaved_files,
2722 *Log << source_filename << ": ";
2723 for (int i = 0; i != num_command_line_args; ++i)
2724 *Log << command_line_args[i] << " ";
2727 ParseTranslationUnitInfo PTUI = { CIdx, source_filename, command_line_args,
2728 num_command_line_args, unsaved_files,
2729 num_unsaved_files, options, 0 };
2730 llvm::CrashRecoveryContext CRC;
2732 if (!RunSafely(CRC, clang_parseTranslationUnit_Impl, &PTUI)) {
2733 fprintf(stderr, "libclang: crash detected during parsing: {\n");
2734 fprintf(stderr, " 'source_filename' : '%s'\n", source_filename);
2735 fprintf(stderr, " 'command_line_args' : [");
2736 for (int i = 0; i != num_command_line_args; ++i) {
2738 fprintf(stderr, ", ");
2739 fprintf(stderr, "'%s'", command_line_args[i]);
2741 fprintf(stderr, "],\n");
2742 fprintf(stderr, " 'unsaved_files' : [");
2743 for (unsigned i = 0; i != num_unsaved_files; ++i) {
2745 fprintf(stderr, ", ");
2746 fprintf(stderr, "('%s', '...', %ld)", unsaved_files[i].Filename,
2747 unsaved_files[i].Length);
2749 fprintf(stderr, "],\n");
2750 fprintf(stderr, " 'options' : %d,\n", options);
2751 fprintf(stderr, "}\n");
2754 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
2755 PrintLibclangResourceUsage(PTUI.result);
2761 unsigned clang_defaultSaveOptions(CXTranslationUnit TU) {
2762 return CXSaveTranslationUnit_None;
2767 struct SaveTranslationUnitInfo {
2768 CXTranslationUnit TU;
2769 const char *FileName;
2776 static void clang_saveTranslationUnit_Impl(void *UserData) {
2777 SaveTranslationUnitInfo *STUI =
2778 static_cast<SaveTranslationUnitInfo*>(UserData);
2780 CIndexer *CXXIdx = STUI->TU->CIdx;
2781 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
2782 setThreadBackgroundPriority();
2784 bool hadError = cxtu::getASTUnit(STUI->TU)->Save(STUI->FileName);
2785 STUI->result = hadError ? CXSaveError_Unknown : CXSaveError_None;
2788 int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
2791 *Log << TU << ' ' << FileName;
2795 return CXSaveError_InvalidTU;
2797 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
2798 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
2799 if (!CXXUnit->hasSema())
2800 return CXSaveError_InvalidTU;
2802 SaveTranslationUnitInfo STUI = { TU, FileName, options, CXSaveError_None };
2804 if (!CXXUnit->getDiagnostics().hasUnrecoverableErrorOccurred() ||
2805 getenv("LIBCLANG_NOTHREADS")) {
2806 clang_saveTranslationUnit_Impl(&STUI);
2808 if (getenv("LIBCLANG_RESOURCE_USAGE"))
2809 PrintLibclangResourceUsage(TU);
2814 // We have an AST that has invalid nodes due to compiler errors.
2815 // Use a crash recovery thread for protection.
2817 llvm::CrashRecoveryContext CRC;
2819 if (!RunSafely(CRC, clang_saveTranslationUnit_Impl, &STUI)) {
2820 fprintf(stderr, "libclang: crash detected during AST saving: {\n");
2821 fprintf(stderr, " 'filename' : '%s'\n", FileName);
2822 fprintf(stderr, " 'options' : %d,\n", options);
2823 fprintf(stderr, "}\n");
2825 return CXSaveError_Unknown;
2827 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
2828 PrintLibclangResourceUsage(TU);
2834 void clang_disposeTranslationUnit(CXTranslationUnit CTUnit) {
2836 // If the translation unit has been marked as unsafe to free, just discard
2838 if (cxtu::getASTUnit(CTUnit)->isUnsafeToFree())
2841 delete cxtu::getASTUnit(CTUnit);
2842 delete CTUnit->StringPool;
2843 delete static_cast<CXDiagnosticSetImpl *>(CTUnit->Diagnostics);
2844 disposeOverridenCXCursorsPool(CTUnit->OverridenCursorsPool);
2845 delete CTUnit->FormatContext;
2850 unsigned clang_defaultReparseOptions(CXTranslationUnit TU) {
2851 return CXReparse_None;
2854 struct ReparseTranslationUnitInfo {
2855 CXTranslationUnit TU;
2856 unsigned num_unsaved_files;
2857 struct CXUnsavedFile *unsaved_files;
2862 static void clang_reparseTranslationUnit_Impl(void *UserData) {
2863 ReparseTranslationUnitInfo *RTUI =
2864 static_cast<ReparseTranslationUnitInfo*>(UserData);
2865 CXTranslationUnit TU = RTUI->TU;
2869 // Reset the associated diagnostics.
2870 delete static_cast<CXDiagnosticSetImpl*>(TU->Diagnostics);
2871 TU->Diagnostics = 0;
2873 unsigned num_unsaved_files = RTUI->num_unsaved_files;
2874 struct CXUnsavedFile *unsaved_files = RTUI->unsaved_files;
2875 unsigned options = RTUI->options;
2879 CIndexer *CXXIdx = TU->CIdx;
2880 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
2881 setThreadBackgroundPriority();
2883 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
2884 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
2886 OwningPtr<std::vector<ASTUnit::RemappedFile> >
2887 RemappedFiles(new std::vector<ASTUnit::RemappedFile>());
2889 // Recover resources if we crash before exiting this function.
2890 llvm::CrashRecoveryContextCleanupRegistrar<
2891 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
2893 for (unsigned I = 0; I != num_unsaved_files; ++I) {
2894 StringRef Data(unsaved_files[I].Contents, unsaved_files[I].Length);
2895 const llvm::MemoryBuffer *Buffer
2896 = llvm::MemoryBuffer::getMemBufferCopy(Data, unsaved_files[I].Filename);
2897 RemappedFiles->push_back(std::make_pair(unsaved_files[I].Filename,
2901 if (!CXXUnit->Reparse(RemappedFiles->size() ? &(*RemappedFiles)[0] : 0,
2902 RemappedFiles->size()))
2906 int clang_reparseTranslationUnit(CXTranslationUnit TU,
2907 unsigned num_unsaved_files,
2908 struct CXUnsavedFile *unsaved_files,
2914 ReparseTranslationUnitInfo RTUI = { TU, num_unsaved_files, unsaved_files,
2917 if (getenv("LIBCLANG_NOTHREADS")) {
2918 clang_reparseTranslationUnit_Impl(&RTUI);
2922 llvm::CrashRecoveryContext CRC;
2924 if (!RunSafely(CRC, clang_reparseTranslationUnit_Impl, &RTUI)) {
2925 fprintf(stderr, "libclang: crash detected during reparsing\n");
2926 cxtu::getASTUnit(TU)->setUnsafeToFree(true);
2928 } else if (getenv("LIBCLANG_RESOURCE_USAGE"))
2929 PrintLibclangResourceUsage(TU);
2935 CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
2937 return cxstring::createEmpty();
2939 ASTUnit *CXXUnit = cxtu::getASTUnit(CTUnit);
2940 return cxstring::createDup(CXXUnit->getOriginalSourceFileName());
2943 CXCursor clang_getTranslationUnitCursor(CXTranslationUnit TU) {
2945 return clang_getNullCursor();
2947 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
2948 return MakeCXCursor(CXXUnit->getASTContext().getTranslationUnitDecl(), TU);
2951 } // end: extern "C"
2953 //===----------------------------------------------------------------------===//
2954 // CXFile Operations.
2955 //===----------------------------------------------------------------------===//
2958 CXString clang_getFileName(CXFile SFile) {
2960 return cxstring::createNull();
2962 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
2963 return cxstring::createRef(FEnt->getName());
2966 time_t clang_getFileTime(CXFile SFile) {
2970 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
2971 return FEnt->getModificationTime();
2974 CXFile clang_getFile(CXTranslationUnit TU, const char *file_name) {
2978 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
2980 FileManager &FMgr = CXXUnit->getFileManager();
2981 return const_cast<FileEntry *>(FMgr.getFile(file_name));
2984 unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit TU, CXFile file) {
2988 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
2989 FileEntry *FEnt = static_cast<FileEntry *>(file);
2990 return CXXUnit->getPreprocessor().getHeaderSearchInfo()
2991 .isFileMultipleIncludeGuarded(FEnt);
2994 int clang_getFileUniqueID(CXFile file, CXFileUniqueID *outID) {
2995 if (!file || !outID)
2998 #ifdef LLVM_ON_WIN32
2999 return 1; // inodes not supported on windows.
3001 FileEntry *FEnt = static_cast<FileEntry *>(file);
3002 outID->data[0] = FEnt->getDevice();
3003 outID->data[1] = FEnt->getInode();
3004 outID->data[2] = FEnt->getModificationTime();
3009 } // end: extern "C"
3011 //===----------------------------------------------------------------------===//
3012 // CXCursor Operations.
3013 //===----------------------------------------------------------------------===//
3015 static const Decl *getDeclFromExpr(const Stmt *E) {
3016 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3017 return getDeclFromExpr(CE->getSubExpr());
3019 if (const DeclRefExpr *RefExpr = dyn_cast<DeclRefExpr>(E))
3020 return RefExpr->getDecl();
3021 if (const MemberExpr *ME = dyn_cast<MemberExpr>(E))
3022 return ME->getMemberDecl();
3023 if (const ObjCIvarRefExpr *RE = dyn_cast<ObjCIvarRefExpr>(E))
3024 return RE->getDecl();
3025 if (const ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(E)) {
3026 if (PRE->isExplicitProperty())
3027 return PRE->getExplicitProperty();
3028 // It could be messaging both getter and setter as in:
3030 // in which case prefer to associate the setter since it is less obvious
3031 // from inspecting the source that the setter is going to get called.
3032 if (PRE->isMessagingSetter())
3033 return PRE->getImplicitPropertySetter();
3034 return PRE->getImplicitPropertyGetter();
3036 if (const PseudoObjectExpr *POE = dyn_cast<PseudoObjectExpr>(E))
3037 return getDeclFromExpr(POE->getSyntacticForm());
3038 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E))
3039 if (Expr *Src = OVE->getSourceExpr())
3040 return getDeclFromExpr(Src);
3042 if (const CallExpr *CE = dyn_cast<CallExpr>(E))
3043 return getDeclFromExpr(CE->getCallee());
3044 if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E))
3045 if (!CE->isElidable())
3046 return CE->getConstructor();
3047 if (const ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(E))
3048 return OME->getMethodDecl();
3050 if (const ObjCProtocolExpr *PE = dyn_cast<ObjCProtocolExpr>(E))
3051 return PE->getProtocol();
3052 if (const SubstNonTypeTemplateParmPackExpr *NTTP
3053 = dyn_cast<SubstNonTypeTemplateParmPackExpr>(E))
3054 return NTTP->getParameterPack();
3055 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3056 if (isa<NonTypeTemplateParmDecl>(SizeOfPack->getPack()) ||
3057 isa<ParmVarDecl>(SizeOfPack->getPack()))
3058 return SizeOfPack->getPack();
3063 static SourceLocation getLocationFromExpr(const Expr *E) {
3064 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3065 return getLocationFromExpr(CE->getSubExpr());
3067 if (const ObjCMessageExpr *Msg = dyn_cast<ObjCMessageExpr>(E))
3068 return /*FIXME:*/Msg->getLeftLoc();
3069 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E))
3070 return DRE->getLocation();
3071 if (const MemberExpr *Member = dyn_cast<MemberExpr>(E))
3072 return Member->getMemberLoc();
3073 if (const ObjCIvarRefExpr *Ivar = dyn_cast<ObjCIvarRefExpr>(E))
3074 return Ivar->getLocation();
3075 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3076 return SizeOfPack->getPackLoc();
3077 if (const ObjCPropertyRefExpr *PropRef = dyn_cast<ObjCPropertyRefExpr>(E))
3078 return PropRef->getLocation();
3080 return E->getLocStart();
3085 unsigned clang_visitChildren(CXCursor parent,
3086 CXCursorVisitor visitor,
3087 CXClientData client_data) {
3088 CursorVisitor CursorVis(getCursorTU(parent), visitor, client_data,
3089 /*VisitPreprocessorLast=*/false);
3090 return CursorVis.VisitChildren(parent);
3093 #ifndef __has_feature
3094 #define __has_feature(x) 0
3096 #if __has_feature(blocks)
3097 typedef enum CXChildVisitResult
3098 (^CXCursorVisitorBlock)(CXCursor cursor, CXCursor parent);
3100 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
3101 CXClientData client_data) {
3102 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
3103 return block(cursor, parent);
3106 // If we are compiled with a compiler that doesn't have native blocks support,
3107 // define and call the block manually, so the
3108 typedef struct _CXChildVisitResult
3113 enum CXChildVisitResult(*invoke)(struct _CXChildVisitResult*, CXCursor,
3115 } *CXCursorVisitorBlock;
3117 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
3118 CXClientData client_data) {
3119 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
3120 return block->invoke(block, cursor, parent);
3125 unsigned clang_visitChildrenWithBlock(CXCursor parent,
3126 CXCursorVisitorBlock block) {
3127 return clang_visitChildren(parent, visitWithBlock, block);
3130 static CXString getDeclSpelling(const Decl *D) {
3132 return cxstring::createEmpty();
3134 const NamedDecl *ND = dyn_cast<NamedDecl>(D);
3136 if (const ObjCPropertyImplDecl *PropImpl =
3137 dyn_cast<ObjCPropertyImplDecl>(D))
3138 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
3139 return cxstring::createDup(Property->getIdentifier()->getName());
3141 if (const ImportDecl *ImportD = dyn_cast<ImportDecl>(D))
3142 if (Module *Mod = ImportD->getImportedModule())
3143 return cxstring::createDup(Mod->getFullModuleName());
3145 return cxstring::createEmpty();
3148 if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(ND))
3149 return cxstring::createDup(OMD->getSelector().getAsString());
3151 if (const ObjCCategoryImplDecl *CIMP = dyn_cast<ObjCCategoryImplDecl>(ND))
3152 // No, this isn't the same as the code below. getIdentifier() is non-virtual
3153 // and returns different names. NamedDecl returns the class name and
3154 // ObjCCategoryImplDecl returns the category name.
3155 return cxstring::createRef(CIMP->getIdentifier()->getNameStart());
3157 if (isa<UsingDirectiveDecl>(D))
3158 return cxstring::createEmpty();
3160 SmallString<1024> S;
3161 llvm::raw_svector_ostream os(S);
3164 return cxstring::createDup(os.str());
3167 CXString clang_getCursorSpelling(CXCursor C) {
3168 if (clang_isTranslationUnit(C.kind))
3169 return clang_getTranslationUnitSpelling(getCursorTU(C));
3171 if (clang_isReference(C.kind)) {
3173 case CXCursor_ObjCSuperClassRef: {
3174 const ObjCInterfaceDecl *Super = getCursorObjCSuperClassRef(C).first;
3175 return cxstring::createRef(Super->getIdentifier()->getNameStart());
3177 case CXCursor_ObjCClassRef: {
3178 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
3179 return cxstring::createRef(Class->getIdentifier()->getNameStart());
3181 case CXCursor_ObjCProtocolRef: {
3182 const ObjCProtocolDecl *OID = getCursorObjCProtocolRef(C).first;
3183 assert(OID && "getCursorSpelling(): Missing protocol decl");
3184 return cxstring::createRef(OID->getIdentifier()->getNameStart());
3186 case CXCursor_CXXBaseSpecifier: {
3187 const CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
3188 return cxstring::createDup(B->getType().getAsString());
3190 case CXCursor_TypeRef: {
3191 const TypeDecl *Type = getCursorTypeRef(C).first;
3192 assert(Type && "Missing type decl");
3194 return cxstring::createDup(getCursorContext(C).getTypeDeclType(Type).
3197 case CXCursor_TemplateRef: {
3198 const TemplateDecl *Template = getCursorTemplateRef(C).first;
3199 assert(Template && "Missing template decl");
3201 return cxstring::createDup(Template->getNameAsString());
3204 case CXCursor_NamespaceRef: {
3205 const NamedDecl *NS = getCursorNamespaceRef(C).first;
3206 assert(NS && "Missing namespace decl");
3208 return cxstring::createDup(NS->getNameAsString());
3211 case CXCursor_MemberRef: {
3212 const FieldDecl *Field = getCursorMemberRef(C).first;
3213 assert(Field && "Missing member decl");
3215 return cxstring::createDup(Field->getNameAsString());
3218 case CXCursor_LabelRef: {
3219 const LabelStmt *Label = getCursorLabelRef(C).first;
3220 assert(Label && "Missing label");
3222 return cxstring::createRef(Label->getName());
3225 case CXCursor_OverloadedDeclRef: {
3226 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
3227 if (const Decl *D = Storage.dyn_cast<const Decl *>()) {
3228 if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
3229 return cxstring::createDup(ND->getNameAsString());
3230 return cxstring::createEmpty();
3232 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
3233 return cxstring::createDup(E->getName().getAsString());
3234 OverloadedTemplateStorage *Ovl
3235 = Storage.get<OverloadedTemplateStorage*>();
3236 if (Ovl->size() == 0)
3237 return cxstring::createEmpty();
3238 return cxstring::createDup((*Ovl->begin())->getNameAsString());
3241 case CXCursor_VariableRef: {
3242 const VarDecl *Var = getCursorVariableRef(C).first;
3243 assert(Var && "Missing variable decl");
3245 return cxstring::createDup(Var->getNameAsString());
3249 return cxstring::createRef("<not implemented>");
3253 if (clang_isExpression(C.kind)) {
3254 const Decl *D = getDeclFromExpr(getCursorExpr(C));
3256 return getDeclSpelling(D);
3257 return cxstring::createEmpty();
3260 if (clang_isStatement(C.kind)) {
3261 const Stmt *S = getCursorStmt(C);
3262 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S))
3263 return cxstring::createRef(Label->getName());
3265 return cxstring::createEmpty();
3268 if (C.kind == CXCursor_MacroExpansion)
3269 return cxstring::createRef(getCursorMacroExpansion(C).getName()
3272 if (C.kind == CXCursor_MacroDefinition)
3273 return cxstring::createRef(getCursorMacroDefinition(C)->getName()
3276 if (C.kind == CXCursor_InclusionDirective)
3277 return cxstring::createDup(getCursorInclusionDirective(C)->getFileName());
3279 if (clang_isDeclaration(C.kind))
3280 return getDeclSpelling(getCursorDecl(C));
3282 if (C.kind == CXCursor_AnnotateAttr) {
3283 const AnnotateAttr *AA = cast<AnnotateAttr>(cxcursor::getCursorAttr(C));
3284 return cxstring::createDup(AA->getAnnotation());
3287 if (C.kind == CXCursor_AsmLabelAttr) {
3288 const AsmLabelAttr *AA = cast<AsmLabelAttr>(cxcursor::getCursorAttr(C));
3289 return cxstring::createDup(AA->getLabel());
3292 return cxstring::createEmpty();
3295 CXSourceRange clang_Cursor_getSpellingNameRange(CXCursor C,
3296 unsigned pieceIndex,
3298 if (clang_Cursor_isNull(C))
3299 return clang_getNullRange();
3301 ASTContext &Ctx = getCursorContext(C);
3303 if (clang_isStatement(C.kind)) {
3304 const Stmt *S = getCursorStmt(C);
3305 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S)) {
3307 return clang_getNullRange();
3308 return cxloc::translateSourceRange(Ctx, Label->getIdentLoc());
3311 return clang_getNullRange();
3314 if (C.kind == CXCursor_ObjCMessageExpr) {
3315 if (const ObjCMessageExpr *
3316 ME = dyn_cast_or_null<ObjCMessageExpr>(getCursorExpr(C))) {
3317 if (pieceIndex >= ME->getNumSelectorLocs())
3318 return clang_getNullRange();
3319 return cxloc::translateSourceRange(Ctx, ME->getSelectorLoc(pieceIndex));
3323 if (C.kind == CXCursor_ObjCInstanceMethodDecl ||
3324 C.kind == CXCursor_ObjCClassMethodDecl) {
3325 if (const ObjCMethodDecl *
3326 MD = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(C))) {
3327 if (pieceIndex >= MD->getNumSelectorLocs())
3328 return clang_getNullRange();
3329 return cxloc::translateSourceRange(Ctx, MD->getSelectorLoc(pieceIndex));
3333 if (C.kind == CXCursor_ObjCCategoryDecl ||
3334 C.kind == CXCursor_ObjCCategoryImplDecl) {
3336 return clang_getNullRange();
3337 if (const ObjCCategoryDecl *
3338 CD = dyn_cast_or_null<ObjCCategoryDecl>(getCursorDecl(C)))
3339 return cxloc::translateSourceRange(Ctx, CD->getCategoryNameLoc());
3340 if (const ObjCCategoryImplDecl *
3341 CID = dyn_cast_or_null<ObjCCategoryImplDecl>(getCursorDecl(C)))
3342 return cxloc::translateSourceRange(Ctx, CID->getCategoryNameLoc());
3345 if (C.kind == CXCursor_ModuleImportDecl) {
3347 return clang_getNullRange();
3348 if (const ImportDecl *ImportD =
3349 dyn_cast_or_null<ImportDecl>(getCursorDecl(C))) {
3350 ArrayRef<SourceLocation> Locs = ImportD->getIdentifierLocs();
3352 return cxloc::translateSourceRange(Ctx,
3353 SourceRange(Locs.front(), Locs.back()));
3355 return clang_getNullRange();
3358 // FIXME: A CXCursor_InclusionDirective should give the location of the
3359 // filename, but we don't keep track of this.
3361 // FIXME: A CXCursor_AnnotateAttr should give the location of the annotation
3362 // but we don't keep track of this.
3364 // FIXME: A CXCursor_AsmLabelAttr should give the location of the label
3365 // but we don't keep track of this.
3367 // Default handling, give the location of the cursor.
3370 return clang_getNullRange();
3372 CXSourceLocation CXLoc = clang_getCursorLocation(C);
3373 SourceLocation Loc = cxloc::translateSourceLocation(CXLoc);
3374 return cxloc::translateSourceRange(Ctx, Loc);
3377 CXString clang_getCursorDisplayName(CXCursor C) {
3378 if (!clang_isDeclaration(C.kind))
3379 return clang_getCursorSpelling(C);
3381 const Decl *D = getCursorDecl(C);
3383 return cxstring::createEmpty();
3385 PrintingPolicy Policy = getCursorContext(C).getPrintingPolicy();
3386 if (const FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(D))
3387 D = FunTmpl->getTemplatedDecl();
3389 if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
3390 SmallString<64> Str;
3391 llvm::raw_svector_ostream OS(Str);
3393 if (Function->getPrimaryTemplate())
3396 for (unsigned I = 0, N = Function->getNumParams(); I != N; ++I) {
3399 OS << Function->getParamDecl(I)->getType().getAsString(Policy);
3402 if (Function->isVariadic()) {
3403 if (Function->getNumParams())
3408 return cxstring::createDup(OS.str());
3411 if (const ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(D)) {
3412 SmallString<64> Str;
3413 llvm::raw_svector_ostream OS(Str);
3414 OS << *ClassTemplate;
3416 TemplateParameterList *Params = ClassTemplate->getTemplateParameters();
3417 for (unsigned I = 0, N = Params->size(); I != N; ++I) {
3421 NamedDecl *Param = Params->getParam(I);
3422 if (Param->getIdentifier()) {
3423 OS << Param->getIdentifier()->getName();
3427 // There is no parameter name, which makes this tricky. Try to come up
3428 // with something useful that isn't too long.
3429 if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Param))
3430 OS << (TTP->wasDeclaredWithTypename()? "typename" : "class");
3431 else if (NonTypeTemplateParmDecl *NTTP
3432 = dyn_cast<NonTypeTemplateParmDecl>(Param))
3433 OS << NTTP->getType().getAsString(Policy);
3435 OS << "template<...> class";
3439 return cxstring::createDup(OS.str());
3442 if (const ClassTemplateSpecializationDecl *ClassSpec
3443 = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
3444 // If the type was explicitly written, use that.
3445 if (TypeSourceInfo *TSInfo = ClassSpec->getTypeAsWritten())
3446 return cxstring::createDup(TSInfo->getType().getAsString(Policy));
3448 SmallString<128> Str;
3449 llvm::raw_svector_ostream OS(Str);
3451 TemplateSpecializationType::PrintTemplateArgumentList(OS,
3452 ClassSpec->getTemplateArgs().data(),
3453 ClassSpec->getTemplateArgs().size(),
3455 return cxstring::createDup(OS.str());
3458 return clang_getCursorSpelling(C);
3461 CXString clang_getCursorKindSpelling(enum CXCursorKind Kind) {
3463 case CXCursor_FunctionDecl:
3464 return cxstring::createRef("FunctionDecl");
3465 case CXCursor_TypedefDecl:
3466 return cxstring::createRef("TypedefDecl");
3467 case CXCursor_EnumDecl:
3468 return cxstring::createRef("EnumDecl");
3469 case CXCursor_EnumConstantDecl:
3470 return cxstring::createRef("EnumConstantDecl");
3471 case CXCursor_StructDecl:
3472 return cxstring::createRef("StructDecl");
3473 case CXCursor_UnionDecl:
3474 return cxstring::createRef("UnionDecl");
3475 case CXCursor_ClassDecl:
3476 return cxstring::createRef("ClassDecl");
3477 case CXCursor_FieldDecl:
3478 return cxstring::createRef("FieldDecl");
3479 case CXCursor_VarDecl:
3480 return cxstring::createRef("VarDecl");
3481 case CXCursor_ParmDecl:
3482 return cxstring::createRef("ParmDecl");
3483 case CXCursor_ObjCInterfaceDecl:
3484 return cxstring::createRef("ObjCInterfaceDecl");
3485 case CXCursor_ObjCCategoryDecl:
3486 return cxstring::createRef("ObjCCategoryDecl");
3487 case CXCursor_ObjCProtocolDecl:
3488 return cxstring::createRef("ObjCProtocolDecl");
3489 case CXCursor_ObjCPropertyDecl:
3490 return cxstring::createRef("ObjCPropertyDecl");
3491 case CXCursor_ObjCIvarDecl:
3492 return cxstring::createRef("ObjCIvarDecl");
3493 case CXCursor_ObjCInstanceMethodDecl:
3494 return cxstring::createRef("ObjCInstanceMethodDecl");
3495 case CXCursor_ObjCClassMethodDecl:
3496 return cxstring::createRef("ObjCClassMethodDecl");
3497 case CXCursor_ObjCImplementationDecl:
3498 return cxstring::createRef("ObjCImplementationDecl");
3499 case CXCursor_ObjCCategoryImplDecl:
3500 return cxstring::createRef("ObjCCategoryImplDecl");
3501 case CXCursor_CXXMethod:
3502 return cxstring::createRef("CXXMethod");
3503 case CXCursor_UnexposedDecl:
3504 return cxstring::createRef("UnexposedDecl");
3505 case CXCursor_ObjCSuperClassRef:
3506 return cxstring::createRef("ObjCSuperClassRef");
3507 case CXCursor_ObjCProtocolRef:
3508 return cxstring::createRef("ObjCProtocolRef");
3509 case CXCursor_ObjCClassRef:
3510 return cxstring::createRef("ObjCClassRef");
3511 case CXCursor_TypeRef:
3512 return cxstring::createRef("TypeRef");
3513 case CXCursor_TemplateRef:
3514 return cxstring::createRef("TemplateRef");
3515 case CXCursor_NamespaceRef:
3516 return cxstring::createRef("NamespaceRef");
3517 case CXCursor_MemberRef:
3518 return cxstring::createRef("MemberRef");
3519 case CXCursor_LabelRef:
3520 return cxstring::createRef("LabelRef");
3521 case CXCursor_OverloadedDeclRef:
3522 return cxstring::createRef("OverloadedDeclRef");
3523 case CXCursor_VariableRef:
3524 return cxstring::createRef("VariableRef");
3525 case CXCursor_IntegerLiteral:
3526 return cxstring::createRef("IntegerLiteral");
3527 case CXCursor_FloatingLiteral:
3528 return cxstring::createRef("FloatingLiteral");
3529 case CXCursor_ImaginaryLiteral:
3530 return cxstring::createRef("ImaginaryLiteral");
3531 case CXCursor_StringLiteral:
3532 return cxstring::createRef("StringLiteral");
3533 case CXCursor_CharacterLiteral:
3534 return cxstring::createRef("CharacterLiteral");
3535 case CXCursor_ParenExpr:
3536 return cxstring::createRef("ParenExpr");
3537 case CXCursor_UnaryOperator:
3538 return cxstring::createRef("UnaryOperator");
3539 case CXCursor_ArraySubscriptExpr:
3540 return cxstring::createRef("ArraySubscriptExpr");
3541 case CXCursor_BinaryOperator:
3542 return cxstring::createRef("BinaryOperator");
3543 case CXCursor_CompoundAssignOperator:
3544 return cxstring::createRef("CompoundAssignOperator");
3545 case CXCursor_ConditionalOperator:
3546 return cxstring::createRef("ConditionalOperator");
3547 case CXCursor_CStyleCastExpr:
3548 return cxstring::createRef("CStyleCastExpr");
3549 case CXCursor_CompoundLiteralExpr:
3550 return cxstring::createRef("CompoundLiteralExpr");
3551 case CXCursor_InitListExpr:
3552 return cxstring::createRef("InitListExpr");
3553 case CXCursor_AddrLabelExpr:
3554 return cxstring::createRef("AddrLabelExpr");
3555 case CXCursor_StmtExpr:
3556 return cxstring::createRef("StmtExpr");
3557 case CXCursor_GenericSelectionExpr:
3558 return cxstring::createRef("GenericSelectionExpr");
3559 case CXCursor_GNUNullExpr:
3560 return cxstring::createRef("GNUNullExpr");
3561 case CXCursor_CXXStaticCastExpr:
3562 return cxstring::createRef("CXXStaticCastExpr");
3563 case CXCursor_CXXDynamicCastExpr:
3564 return cxstring::createRef("CXXDynamicCastExpr");
3565 case CXCursor_CXXReinterpretCastExpr:
3566 return cxstring::createRef("CXXReinterpretCastExpr");
3567 case CXCursor_CXXConstCastExpr:
3568 return cxstring::createRef("CXXConstCastExpr");
3569 case CXCursor_CXXFunctionalCastExpr:
3570 return cxstring::createRef("CXXFunctionalCastExpr");
3571 case CXCursor_CXXTypeidExpr:
3572 return cxstring::createRef("CXXTypeidExpr");
3573 case CXCursor_CXXBoolLiteralExpr:
3574 return cxstring::createRef("CXXBoolLiteralExpr");
3575 case CXCursor_CXXNullPtrLiteralExpr:
3576 return cxstring::createRef("CXXNullPtrLiteralExpr");
3577 case CXCursor_CXXThisExpr:
3578 return cxstring::createRef("CXXThisExpr");
3579 case CXCursor_CXXThrowExpr:
3580 return cxstring::createRef("CXXThrowExpr");
3581 case CXCursor_CXXNewExpr:
3582 return cxstring::createRef("CXXNewExpr");
3583 case CXCursor_CXXDeleteExpr:
3584 return cxstring::createRef("CXXDeleteExpr");
3585 case CXCursor_UnaryExpr:
3586 return cxstring::createRef("UnaryExpr");
3587 case CXCursor_ObjCStringLiteral:
3588 return cxstring::createRef("ObjCStringLiteral");
3589 case CXCursor_ObjCBoolLiteralExpr:
3590 return cxstring::createRef("ObjCBoolLiteralExpr");
3591 case CXCursor_ObjCSelfExpr:
3592 return cxstring::createRef("ObjCSelfExpr");
3593 case CXCursor_ObjCEncodeExpr:
3594 return cxstring::createRef("ObjCEncodeExpr");
3595 case CXCursor_ObjCSelectorExpr:
3596 return cxstring::createRef("ObjCSelectorExpr");
3597 case CXCursor_ObjCProtocolExpr:
3598 return cxstring::createRef("ObjCProtocolExpr");
3599 case CXCursor_ObjCBridgedCastExpr:
3600 return cxstring::createRef("ObjCBridgedCastExpr");
3601 case CXCursor_BlockExpr:
3602 return cxstring::createRef("BlockExpr");
3603 case CXCursor_PackExpansionExpr:
3604 return cxstring::createRef("PackExpansionExpr");
3605 case CXCursor_SizeOfPackExpr:
3606 return cxstring::createRef("SizeOfPackExpr");
3607 case CXCursor_LambdaExpr:
3608 return cxstring::createRef("LambdaExpr");
3609 case CXCursor_UnexposedExpr:
3610 return cxstring::createRef("UnexposedExpr");
3611 case CXCursor_DeclRefExpr:
3612 return cxstring::createRef("DeclRefExpr");
3613 case CXCursor_MemberRefExpr:
3614 return cxstring::createRef("MemberRefExpr");
3615 case CXCursor_CallExpr:
3616 return cxstring::createRef("CallExpr");
3617 case CXCursor_ObjCMessageExpr:
3618 return cxstring::createRef("ObjCMessageExpr");
3619 case CXCursor_UnexposedStmt:
3620 return cxstring::createRef("UnexposedStmt");
3621 case CXCursor_DeclStmt:
3622 return cxstring::createRef("DeclStmt");
3623 case CXCursor_LabelStmt:
3624 return cxstring::createRef("LabelStmt");
3625 case CXCursor_CompoundStmt:
3626 return cxstring::createRef("CompoundStmt");
3627 case CXCursor_CaseStmt:
3628 return cxstring::createRef("CaseStmt");
3629 case CXCursor_DefaultStmt:
3630 return cxstring::createRef("DefaultStmt");
3631 case CXCursor_IfStmt:
3632 return cxstring::createRef("IfStmt");
3633 case CXCursor_SwitchStmt:
3634 return cxstring::createRef("SwitchStmt");
3635 case CXCursor_WhileStmt:
3636 return cxstring::createRef("WhileStmt");
3637 case CXCursor_DoStmt:
3638 return cxstring::createRef("DoStmt");
3639 case CXCursor_ForStmt:
3640 return cxstring::createRef("ForStmt");
3641 case CXCursor_GotoStmt:
3642 return cxstring::createRef("GotoStmt");
3643 case CXCursor_IndirectGotoStmt:
3644 return cxstring::createRef("IndirectGotoStmt");
3645 case CXCursor_ContinueStmt:
3646 return cxstring::createRef("ContinueStmt");
3647 case CXCursor_BreakStmt:
3648 return cxstring::createRef("BreakStmt");
3649 case CXCursor_ReturnStmt:
3650 return cxstring::createRef("ReturnStmt");
3651 case CXCursor_GCCAsmStmt:
3652 return cxstring::createRef("GCCAsmStmt");
3653 case CXCursor_MSAsmStmt:
3654 return cxstring::createRef("MSAsmStmt");
3655 case CXCursor_ObjCAtTryStmt:
3656 return cxstring::createRef("ObjCAtTryStmt");
3657 case CXCursor_ObjCAtCatchStmt:
3658 return cxstring::createRef("ObjCAtCatchStmt");
3659 case CXCursor_ObjCAtFinallyStmt:
3660 return cxstring::createRef("ObjCAtFinallyStmt");
3661 case CXCursor_ObjCAtThrowStmt:
3662 return cxstring::createRef("ObjCAtThrowStmt");
3663 case CXCursor_ObjCAtSynchronizedStmt:
3664 return cxstring::createRef("ObjCAtSynchronizedStmt");
3665 case CXCursor_ObjCAutoreleasePoolStmt:
3666 return cxstring::createRef("ObjCAutoreleasePoolStmt");
3667 case CXCursor_ObjCForCollectionStmt:
3668 return cxstring::createRef("ObjCForCollectionStmt");
3669 case CXCursor_CXXCatchStmt:
3670 return cxstring::createRef("CXXCatchStmt");
3671 case CXCursor_CXXTryStmt:
3672 return cxstring::createRef("CXXTryStmt");
3673 case CXCursor_CXXForRangeStmt:
3674 return cxstring::createRef("CXXForRangeStmt");
3675 case CXCursor_SEHTryStmt:
3676 return cxstring::createRef("SEHTryStmt");
3677 case CXCursor_SEHExceptStmt:
3678 return cxstring::createRef("SEHExceptStmt");
3679 case CXCursor_SEHFinallyStmt:
3680 return cxstring::createRef("SEHFinallyStmt");
3681 case CXCursor_NullStmt:
3682 return cxstring::createRef("NullStmt");
3683 case CXCursor_InvalidFile:
3684 return cxstring::createRef("InvalidFile");
3685 case CXCursor_InvalidCode:
3686 return cxstring::createRef("InvalidCode");
3687 case CXCursor_NoDeclFound:
3688 return cxstring::createRef("NoDeclFound");
3689 case CXCursor_NotImplemented:
3690 return cxstring::createRef("NotImplemented");
3691 case CXCursor_TranslationUnit:
3692 return cxstring::createRef("TranslationUnit");
3693 case CXCursor_UnexposedAttr:
3694 return cxstring::createRef("UnexposedAttr");
3695 case CXCursor_IBActionAttr:
3696 return cxstring::createRef("attribute(ibaction)");
3697 case CXCursor_IBOutletAttr:
3698 return cxstring::createRef("attribute(iboutlet)");
3699 case CXCursor_IBOutletCollectionAttr:
3700 return cxstring::createRef("attribute(iboutletcollection)");
3701 case CXCursor_CXXFinalAttr:
3702 return cxstring::createRef("attribute(final)");
3703 case CXCursor_CXXOverrideAttr:
3704 return cxstring::createRef("attribute(override)");
3705 case CXCursor_AnnotateAttr:
3706 return cxstring::createRef("attribute(annotate)");
3707 case CXCursor_AsmLabelAttr:
3708 return cxstring::createRef("asm label");
3709 case CXCursor_PreprocessingDirective:
3710 return cxstring::createRef("preprocessing directive");
3711 case CXCursor_MacroDefinition:
3712 return cxstring::createRef("macro definition");
3713 case CXCursor_MacroExpansion:
3714 return cxstring::createRef("macro expansion");
3715 case CXCursor_InclusionDirective:
3716 return cxstring::createRef("inclusion directive");
3717 case CXCursor_Namespace:
3718 return cxstring::createRef("Namespace");
3719 case CXCursor_LinkageSpec:
3720 return cxstring::createRef("LinkageSpec");
3721 case CXCursor_CXXBaseSpecifier:
3722 return cxstring::createRef("C++ base class specifier");
3723 case CXCursor_Constructor:
3724 return cxstring::createRef("CXXConstructor");
3725 case CXCursor_Destructor:
3726 return cxstring::createRef("CXXDestructor");
3727 case CXCursor_ConversionFunction:
3728 return cxstring::createRef("CXXConversion");
3729 case CXCursor_TemplateTypeParameter:
3730 return cxstring::createRef("TemplateTypeParameter");
3731 case CXCursor_NonTypeTemplateParameter:
3732 return cxstring::createRef("NonTypeTemplateParameter");
3733 case CXCursor_TemplateTemplateParameter:
3734 return cxstring::createRef("TemplateTemplateParameter");
3735 case CXCursor_FunctionTemplate:
3736 return cxstring::createRef("FunctionTemplate");
3737 case CXCursor_ClassTemplate:
3738 return cxstring::createRef("ClassTemplate");
3739 case CXCursor_ClassTemplatePartialSpecialization:
3740 return cxstring::createRef("ClassTemplatePartialSpecialization");
3741 case CXCursor_NamespaceAlias:
3742 return cxstring::createRef("NamespaceAlias");
3743 case CXCursor_UsingDirective:
3744 return cxstring::createRef("UsingDirective");
3745 case CXCursor_UsingDeclaration:
3746 return cxstring::createRef("UsingDeclaration");
3747 case CXCursor_TypeAliasDecl:
3748 return cxstring::createRef("TypeAliasDecl");
3749 case CXCursor_ObjCSynthesizeDecl:
3750 return cxstring::createRef("ObjCSynthesizeDecl");
3751 case CXCursor_ObjCDynamicDecl:
3752 return cxstring::createRef("ObjCDynamicDecl");
3753 case CXCursor_CXXAccessSpecifier:
3754 return cxstring::createRef("CXXAccessSpecifier");
3755 case CXCursor_ModuleImportDecl:
3756 return cxstring::createRef("ModuleImport");
3759 llvm_unreachable("Unhandled CXCursorKind");
3762 struct GetCursorData {
3763 SourceLocation TokenBeginLoc;
3764 bool PointsAtMacroArgExpansion;
3765 bool VisitedObjCPropertyImplDecl;
3766 SourceLocation VisitedDeclaratorDeclStartLoc;
3767 CXCursor &BestCursor;
3769 GetCursorData(SourceManager &SM,
3770 SourceLocation tokenBegin, CXCursor &outputCursor)
3771 : TokenBeginLoc(tokenBegin), BestCursor(outputCursor) {
3772 PointsAtMacroArgExpansion = SM.isMacroArgExpansion(tokenBegin);
3773 VisitedObjCPropertyImplDecl = false;
3777 static enum CXChildVisitResult GetCursorVisitor(CXCursor cursor,
3779 CXClientData client_data) {
3780 GetCursorData *Data = static_cast<GetCursorData *>(client_data);
3781 CXCursor *BestCursor = &Data->BestCursor;
3783 // If we point inside a macro argument we should provide info of what the
3784 // token is so use the actual cursor, don't replace it with a macro expansion
3786 if (cursor.kind == CXCursor_MacroExpansion && Data->PointsAtMacroArgExpansion)
3787 return CXChildVisit_Recurse;
3789 if (clang_isDeclaration(cursor.kind)) {
3790 // Avoid having the implicit methods override the property decls.
3791 if (const ObjCMethodDecl *MD
3792 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
3793 if (MD->isImplicit())
3794 return CXChildVisit_Break;
3796 } else if (const ObjCInterfaceDecl *ID
3797 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(cursor))) {
3798 // Check that when we have multiple @class references in the same line,
3799 // that later ones do not override the previous ones.
3802 // source ranges for both start at '@', so 'Bar' will end up overriding
3803 // 'Foo' even though the cursor location was at 'Foo'.
3804 if (BestCursor->kind == CXCursor_ObjCInterfaceDecl ||
3805 BestCursor->kind == CXCursor_ObjCClassRef)
3806 if (const ObjCInterfaceDecl *PrevID
3807 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(*BestCursor))){
3809 !PrevID->isThisDeclarationADefinition() &&
3810 !ID->isThisDeclarationADefinition())
3811 return CXChildVisit_Break;
3814 } else if (const DeclaratorDecl *DD
3815 = dyn_cast_or_null<DeclaratorDecl>(getCursorDecl(cursor))) {
3816 SourceLocation StartLoc = DD->getSourceRange().getBegin();
3817 // Check that when we have multiple declarators in the same line,
3818 // that later ones do not override the previous ones.
3821 // source ranges for both start at 'int', so 'Bar' will end up overriding
3822 // 'Foo' even though the cursor location was at 'Foo'.
3823 if (Data->VisitedDeclaratorDeclStartLoc == StartLoc)
3824 return CXChildVisit_Break;
3825 Data->VisitedDeclaratorDeclStartLoc = StartLoc;
3827 } else if (const ObjCPropertyImplDecl *PropImp
3828 = dyn_cast_or_null<ObjCPropertyImplDecl>(getCursorDecl(cursor))) {
3830 // Check that when we have multiple @synthesize in the same line,
3831 // that later ones do not override the previous ones.
3833 // @synthesize Foo, Bar;
3834 // source ranges for both start at '@', so 'Bar' will end up overriding
3835 // 'Foo' even though the cursor location was at 'Foo'.
3836 if (Data->VisitedObjCPropertyImplDecl)
3837 return CXChildVisit_Break;
3838 Data->VisitedObjCPropertyImplDecl = true;
3842 if (clang_isExpression(cursor.kind) &&
3843 clang_isDeclaration(BestCursor->kind)) {
3844 if (const Decl *D = getCursorDecl(*BestCursor)) {
3845 // Avoid having the cursor of an expression replace the declaration cursor
3846 // when the expression source range overlaps the declaration range.
3847 // This can happen for C++ constructor expressions whose range generally
3848 // include the variable declaration, e.g.:
3849 // MyCXXClass foo; // Make sure pointing at 'foo' returns a VarDecl cursor.
3850 if (D->getLocation().isValid() && Data->TokenBeginLoc.isValid() &&
3851 D->getLocation() == Data->TokenBeginLoc)
3852 return CXChildVisit_Break;
3856 // If our current best cursor is the construction of a temporary object,
3857 // don't replace that cursor with a type reference, because we want
3858 // clang_getCursor() to point at the constructor.
3859 if (clang_isExpression(BestCursor->kind) &&
3860 isa<CXXTemporaryObjectExpr>(getCursorExpr(*BestCursor)) &&
3861 cursor.kind == CXCursor_TypeRef) {
3862 // Keep the cursor pointing at CXXTemporaryObjectExpr but also mark it
3863 // as having the actual point on the type reference.
3864 *BestCursor = getTypeRefedCallExprCursor(*BestCursor);
3865 return CXChildVisit_Recurse;
3868 *BestCursor = cursor;
3869 return CXChildVisit_Recurse;
3872 CXCursor clang_getCursor(CXTranslationUnit TU, CXSourceLocation Loc) {
3874 return clang_getNullCursor();
3876 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3877 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3879 SourceLocation SLoc = cxloc::translateSourceLocation(Loc);
3880 CXCursor Result = cxcursor::getCursor(TU, SLoc);
3884 unsigned SearchLine, SearchColumn;
3886 unsigned ResultLine, ResultColumn;
3887 CXString SearchFileName, ResultFileName, KindSpelling, USR;
3888 const char *IsDef = clang_isCursorDefinition(Result)? " (Definition)" : "";
3889 CXSourceLocation ResultLoc = clang_getCursorLocation(Result);
3891 clang_getFileLocation(Loc, &SearchFile, &SearchLine, &SearchColumn, 0);
3892 clang_getFileLocation(ResultLoc, &ResultFile, &ResultLine,
3894 SearchFileName = clang_getFileName(SearchFile);
3895 ResultFileName = clang_getFileName(ResultFile);
3896 KindSpelling = clang_getCursorKindSpelling(Result.kind);
3897 USR = clang_getCursorUSR(Result);
3898 *Log << llvm::format("(%s:%d:%d) = %s",
3899 clang_getCString(SearchFileName), SearchLine, SearchColumn,
3900 clang_getCString(KindSpelling))
3901 << llvm::format("(%s:%d:%d):%s%s",
3902 clang_getCString(ResultFileName), ResultLine, ResultColumn,
3903 clang_getCString(USR), IsDef);
3904 clang_disposeString(SearchFileName);
3905 clang_disposeString(ResultFileName);
3906 clang_disposeString(KindSpelling);
3907 clang_disposeString(USR);
3909 CXCursor Definition = clang_getCursorDefinition(Result);
3910 if (!clang_equalCursors(Definition, clang_getNullCursor())) {
3911 CXSourceLocation DefinitionLoc = clang_getCursorLocation(Definition);
3912 CXString DefinitionKindSpelling
3913 = clang_getCursorKindSpelling(Definition.kind);
3914 CXFile DefinitionFile;
3915 unsigned DefinitionLine, DefinitionColumn;
3916 clang_getFileLocation(DefinitionLoc, &DefinitionFile,
3917 &DefinitionLine, &DefinitionColumn, 0);
3918 CXString DefinitionFileName = clang_getFileName(DefinitionFile);
3919 *Log << llvm::format(" -> %s(%s:%d:%d)",
3920 clang_getCString(DefinitionKindSpelling),
3921 clang_getCString(DefinitionFileName),
3922 DefinitionLine, DefinitionColumn);
3923 clang_disposeString(DefinitionFileName);
3924 clang_disposeString(DefinitionKindSpelling);
3931 CXCursor clang_getNullCursor(void) {
3932 return MakeCXCursorInvalid(CXCursor_InvalidFile);
3935 unsigned clang_equalCursors(CXCursor X, CXCursor Y) {
3936 // Clear out the "FirstInDeclGroup" part in a declaration cursor, since we
3937 // can't set consistently. For example, when visiting a DeclStmt we will set
3938 // it but we don't set it on the result of clang_getCursorDefinition for
3939 // a reference of the same declaration.
3940 // FIXME: Setting "FirstInDeclGroup" in CXCursors is a hack that only works
3941 // when visiting a DeclStmt currently, the AST should be enhanced to be able
3942 // to provide that kind of info.
3943 if (clang_isDeclaration(X.kind))
3945 if (clang_isDeclaration(Y.kind))
3951 unsigned clang_hashCursor(CXCursor C) {
3953 if (clang_isExpression(C.kind) || clang_isStatement(C.kind))
3956 return llvm::DenseMapInfo<std::pair<unsigned, const void*> >::getHashValue(
3957 std::make_pair(C.kind, C.data[Index]));
3960 unsigned clang_isInvalid(enum CXCursorKind K) {
3961 return K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid;
3964 unsigned clang_isDeclaration(enum CXCursorKind K) {
3965 return (K >= CXCursor_FirstDecl && K <= CXCursor_LastDecl) ||
3966 (K >= CXCursor_FirstExtraDecl && K <= CXCursor_LastExtraDecl);
3969 unsigned clang_isReference(enum CXCursorKind K) {
3970 return K >= CXCursor_FirstRef && K <= CXCursor_LastRef;
3973 unsigned clang_isExpression(enum CXCursorKind K) {
3974 return K >= CXCursor_FirstExpr && K <= CXCursor_LastExpr;
3977 unsigned clang_isStatement(enum CXCursorKind K) {
3978 return K >= CXCursor_FirstStmt && K <= CXCursor_LastStmt;
3981 unsigned clang_isAttribute(enum CXCursorKind K) {
3982 return K >= CXCursor_FirstAttr && K <= CXCursor_LastAttr;
3985 unsigned clang_isTranslationUnit(enum CXCursorKind K) {
3986 return K == CXCursor_TranslationUnit;
3989 unsigned clang_isPreprocessing(enum CXCursorKind K) {
3990 return K >= CXCursor_FirstPreprocessing && K <= CXCursor_LastPreprocessing;
3993 unsigned clang_isUnexposed(enum CXCursorKind K) {
3995 case CXCursor_UnexposedDecl:
3996 case CXCursor_UnexposedExpr:
3997 case CXCursor_UnexposedStmt:
3998 case CXCursor_UnexposedAttr:
4005 CXCursorKind clang_getCursorKind(CXCursor C) {
4009 CXSourceLocation clang_getCursorLocation(CXCursor C) {
4010 if (clang_isReference(C.kind)) {
4012 case CXCursor_ObjCSuperClassRef: {
4013 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
4014 = getCursorObjCSuperClassRef(C);
4015 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4018 case CXCursor_ObjCProtocolRef: {
4019 std::pair<const ObjCProtocolDecl *, SourceLocation> P
4020 = getCursorObjCProtocolRef(C);
4021 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4024 case CXCursor_ObjCClassRef: {
4025 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
4026 = getCursorObjCClassRef(C);
4027 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4030 case CXCursor_TypeRef: {
4031 std::pair<const TypeDecl *, SourceLocation> P = getCursorTypeRef(C);
4032 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4035 case CXCursor_TemplateRef: {
4036 std::pair<const TemplateDecl *, SourceLocation> P =
4037 getCursorTemplateRef(C);
4038 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4041 case CXCursor_NamespaceRef: {
4042 std::pair<const NamedDecl *, SourceLocation> P = getCursorNamespaceRef(C);
4043 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4046 case CXCursor_MemberRef: {
4047 std::pair<const FieldDecl *, SourceLocation> P = getCursorMemberRef(C);
4048 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4051 case CXCursor_VariableRef: {
4052 std::pair<const VarDecl *, SourceLocation> P = getCursorVariableRef(C);
4053 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4056 case CXCursor_CXXBaseSpecifier: {
4057 const CXXBaseSpecifier *BaseSpec = getCursorCXXBaseSpecifier(C);
4059 return clang_getNullLocation();
4061 if (TypeSourceInfo *TSInfo = BaseSpec->getTypeSourceInfo())
4062 return cxloc::translateSourceLocation(getCursorContext(C),
4063 TSInfo->getTypeLoc().getBeginLoc());
4065 return cxloc::translateSourceLocation(getCursorContext(C),
4066 BaseSpec->getLocStart());
4069 case CXCursor_LabelRef: {
4070 std::pair<const LabelStmt *, SourceLocation> P = getCursorLabelRef(C);
4071 return cxloc::translateSourceLocation(getCursorContext(C), P.second);
4074 case CXCursor_OverloadedDeclRef:
4075 return cxloc::translateSourceLocation(getCursorContext(C),
4076 getCursorOverloadedDeclRef(C).second);
4079 // FIXME: Need a way to enumerate all non-reference cases.
4080 llvm_unreachable("Missed a reference kind");
4084 if (clang_isExpression(C.kind))
4085 return cxloc::translateSourceLocation(getCursorContext(C),
4086 getLocationFromExpr(getCursorExpr(C)));
4088 if (clang_isStatement(C.kind))
4089 return cxloc::translateSourceLocation(getCursorContext(C),
4090 getCursorStmt(C)->getLocStart());
4092 if (C.kind == CXCursor_PreprocessingDirective) {
4093 SourceLocation L = cxcursor::getCursorPreprocessingDirective(C).getBegin();
4094 return cxloc::translateSourceLocation(getCursorContext(C), L);
4097 if (C.kind == CXCursor_MacroExpansion) {
4099 = cxcursor::getCursorMacroExpansion(C).getSourceRange().getBegin();
4100 return cxloc::translateSourceLocation(getCursorContext(C), L);
4103 if (C.kind == CXCursor_MacroDefinition) {
4104 SourceLocation L = cxcursor::getCursorMacroDefinition(C)->getLocation();
4105 return cxloc::translateSourceLocation(getCursorContext(C), L);
4108 if (C.kind == CXCursor_InclusionDirective) {
4110 = cxcursor::getCursorInclusionDirective(C)->getSourceRange().getBegin();
4111 return cxloc::translateSourceLocation(getCursorContext(C), L);
4114 if (!clang_isDeclaration(C.kind))
4115 return clang_getNullLocation();
4117 const Decl *D = getCursorDecl(C);
4119 return clang_getNullLocation();
4121 SourceLocation Loc = D->getLocation();
4122 // FIXME: Multiple variables declared in a single declaration
4123 // currently lack the information needed to correctly determine their
4124 // ranges when accounting for the type-specifier. We use context
4125 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
4126 // and if so, whether it is the first decl.
4127 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
4128 if (!cxcursor::isFirstInDeclGroup(C))
4129 Loc = VD->getLocation();
4132 // For ObjC methods, give the start location of the method name.
4133 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
4134 Loc = MD->getSelectorStartLoc();
4136 return cxloc::translateSourceLocation(getCursorContext(C), Loc);
4141 CXCursor cxcursor::getCursor(CXTranslationUnit TU, SourceLocation SLoc) {
4144 // Guard against an invalid SourceLocation, or we may assert in one
4145 // of the following calls.
4146 if (SLoc.isInvalid())
4147 return clang_getNullCursor();
4149 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4151 // Translate the given source location to make it point at the beginning of
4152 // the token under the cursor.
4153 SLoc = Lexer::GetBeginningOfToken(SLoc, CXXUnit->getSourceManager(),
4154 CXXUnit->getASTContext().getLangOpts());
4156 CXCursor Result = MakeCXCursorInvalid(CXCursor_NoDeclFound);
4157 if (SLoc.isValid()) {
4158 GetCursorData ResultData(CXXUnit->getSourceManager(), SLoc, Result);
4159 CursorVisitor CursorVis(TU, GetCursorVisitor, &ResultData,
4160 /*VisitPreprocessorLast=*/true,
4161 /*VisitIncludedEntities=*/false,
4162 SourceLocation(SLoc));
4163 CursorVis.visitFileRegion();
4169 static SourceRange getRawCursorExtent(CXCursor C) {
4170 if (clang_isReference(C.kind)) {
4172 case CXCursor_ObjCSuperClassRef:
4173 return getCursorObjCSuperClassRef(C).second;
4175 case CXCursor_ObjCProtocolRef:
4176 return getCursorObjCProtocolRef(C).second;
4178 case CXCursor_ObjCClassRef:
4179 return getCursorObjCClassRef(C).second;
4181 case CXCursor_TypeRef:
4182 return getCursorTypeRef(C).second;
4184 case CXCursor_TemplateRef:
4185 return getCursorTemplateRef(C).second;
4187 case CXCursor_NamespaceRef:
4188 return getCursorNamespaceRef(C).second;
4190 case CXCursor_MemberRef:
4191 return getCursorMemberRef(C).second;
4193 case CXCursor_CXXBaseSpecifier:
4194 return getCursorCXXBaseSpecifier(C)->getSourceRange();
4196 case CXCursor_LabelRef:
4197 return getCursorLabelRef(C).second;
4199 case CXCursor_OverloadedDeclRef:
4200 return getCursorOverloadedDeclRef(C).second;
4202 case CXCursor_VariableRef:
4203 return getCursorVariableRef(C).second;
4206 // FIXME: Need a way to enumerate all non-reference cases.
4207 llvm_unreachable("Missed a reference kind");
4211 if (clang_isExpression(C.kind))
4212 return getCursorExpr(C)->getSourceRange();
4214 if (clang_isStatement(C.kind))
4215 return getCursorStmt(C)->getSourceRange();
4217 if (clang_isAttribute(C.kind))
4218 return getCursorAttr(C)->getRange();
4220 if (C.kind == CXCursor_PreprocessingDirective)
4221 return cxcursor::getCursorPreprocessingDirective(C);
4223 if (C.kind == CXCursor_MacroExpansion) {
4224 ASTUnit *TU = getCursorASTUnit(C);
4225 SourceRange Range = cxcursor::getCursorMacroExpansion(C).getSourceRange();
4226 return TU->mapRangeFromPreamble(Range);
4229 if (C.kind == CXCursor_MacroDefinition) {
4230 ASTUnit *TU = getCursorASTUnit(C);
4231 SourceRange Range = cxcursor::getCursorMacroDefinition(C)->getSourceRange();
4232 return TU->mapRangeFromPreamble(Range);
4235 if (C.kind == CXCursor_InclusionDirective) {
4236 ASTUnit *TU = getCursorASTUnit(C);
4237 SourceRange Range = cxcursor::getCursorInclusionDirective(C)->getSourceRange();
4238 return TU->mapRangeFromPreamble(Range);
4241 if (C.kind == CXCursor_TranslationUnit) {
4242 ASTUnit *TU = getCursorASTUnit(C);
4243 FileID MainID = TU->getSourceManager().getMainFileID();
4244 SourceLocation Start = TU->getSourceManager().getLocForStartOfFile(MainID);
4245 SourceLocation End = TU->getSourceManager().getLocForEndOfFile(MainID);
4246 return SourceRange(Start, End);
4249 if (clang_isDeclaration(C.kind)) {
4250 const Decl *D = cxcursor::getCursorDecl(C);
4252 return SourceRange();
4254 SourceRange R = D->getSourceRange();
4255 // FIXME: Multiple variables declared in a single declaration
4256 // currently lack the information needed to correctly determine their
4257 // ranges when accounting for the type-specifier. We use context
4258 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
4259 // and if so, whether it is the first decl.
4260 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
4261 if (!cxcursor::isFirstInDeclGroup(C))
4262 R.setBegin(VD->getLocation());
4266 return SourceRange();
4269 /// \brief Retrieves the "raw" cursor extent, which is then extended to include
4270 /// the decl-specifier-seq for declarations.
4271 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr) {
4272 if (clang_isDeclaration(C.kind)) {
4273 const Decl *D = cxcursor::getCursorDecl(C);
4275 return SourceRange();
4277 SourceRange R = D->getSourceRange();
4279 // Adjust the start of the location for declarations preceded by
4280 // declaration specifiers.
4281 SourceLocation StartLoc;
4282 if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
4283 if (TypeSourceInfo *TI = DD->getTypeSourceInfo())
4284 StartLoc = TI->getTypeLoc().getLocStart();
4285 } else if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(D)) {
4286 if (TypeSourceInfo *TI = Typedef->getTypeSourceInfo())
4287 StartLoc = TI->getTypeLoc().getLocStart();
4290 if (StartLoc.isValid() && R.getBegin().isValid() &&
4291 SrcMgr.isBeforeInTranslationUnit(StartLoc, R.getBegin()))
4292 R.setBegin(StartLoc);
4294 // FIXME: Multiple variables declared in a single declaration
4295 // currently lack the information needed to correctly determine their
4296 // ranges when accounting for the type-specifier. We use context
4297 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
4298 // and if so, whether it is the first decl.
4299 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
4300 if (!cxcursor::isFirstInDeclGroup(C))
4301 R.setBegin(VD->getLocation());
4307 return getRawCursorExtent(C);
4312 CXSourceRange clang_getCursorExtent(CXCursor C) {
4313 SourceRange R = getRawCursorExtent(C);
4315 return clang_getNullRange();
4317 return cxloc::translateSourceRange(getCursorContext(C), R);
4320 CXCursor clang_getCursorReferenced(CXCursor C) {
4321 if (clang_isInvalid(C.kind))
4322 return clang_getNullCursor();
4324 CXTranslationUnit tu = getCursorTU(C);
4325 if (clang_isDeclaration(C.kind)) {
4326 const Decl *D = getCursorDecl(C);
4328 return clang_getNullCursor();
4329 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
4330 return MakeCursorOverloadedDeclRef(Using, D->getLocation(), tu);
4331 if (const ObjCPropertyImplDecl *PropImpl =
4332 dyn_cast<ObjCPropertyImplDecl>(D))
4333 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
4334 return MakeCXCursor(Property, tu);
4339 if (clang_isExpression(C.kind)) {
4340 const Expr *E = getCursorExpr(C);
4341 const Decl *D = getDeclFromExpr(E);
4343 CXCursor declCursor = MakeCXCursor(D, tu);
4344 declCursor = getSelectorIdentifierCursor(getSelectorIdentifierIndex(C),
4349 if (const OverloadExpr *Ovl = dyn_cast_or_null<OverloadExpr>(E))
4350 return MakeCursorOverloadedDeclRef(Ovl, tu);
4352 return clang_getNullCursor();
4355 if (clang_isStatement(C.kind)) {
4356 const Stmt *S = getCursorStmt(C);
4357 if (const GotoStmt *Goto = dyn_cast_or_null<GotoStmt>(S))
4358 if (LabelDecl *label = Goto->getLabel())
4359 if (LabelStmt *labelS = label->getStmt())
4360 return MakeCXCursor(labelS, getCursorDecl(C), tu);
4362 return clang_getNullCursor();
4365 if (C.kind == CXCursor_MacroExpansion) {
4366 if (const MacroDefinition *Def = getCursorMacroExpansion(C).getDefinition())
4367 return MakeMacroDefinitionCursor(Def, tu);
4370 if (!clang_isReference(C.kind))
4371 return clang_getNullCursor();
4374 case CXCursor_ObjCSuperClassRef:
4375 return MakeCXCursor(getCursorObjCSuperClassRef(C).first, tu);
4377 case CXCursor_ObjCProtocolRef: {
4378 const ObjCProtocolDecl *Prot = getCursorObjCProtocolRef(C).first;
4379 if (const ObjCProtocolDecl *Def = Prot->getDefinition())
4380 return MakeCXCursor(Def, tu);
4382 return MakeCXCursor(Prot, tu);
4385 case CXCursor_ObjCClassRef: {
4386 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
4387 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
4388 return MakeCXCursor(Def, tu);
4390 return MakeCXCursor(Class, tu);
4393 case CXCursor_TypeRef:
4394 return MakeCXCursor(getCursorTypeRef(C).first, tu );
4396 case CXCursor_TemplateRef:
4397 return MakeCXCursor(getCursorTemplateRef(C).first, tu );
4399 case CXCursor_NamespaceRef:
4400 return MakeCXCursor(getCursorNamespaceRef(C).first, tu );
4402 case CXCursor_MemberRef:
4403 return MakeCXCursor(getCursorMemberRef(C).first, tu );
4405 case CXCursor_CXXBaseSpecifier: {
4406 const CXXBaseSpecifier *B = cxcursor::getCursorCXXBaseSpecifier(C);
4407 return clang_getTypeDeclaration(cxtype::MakeCXType(B->getType(),
4411 case CXCursor_LabelRef:
4412 // FIXME: We end up faking the "parent" declaration here because we
4413 // don't want to make CXCursor larger.
4414 return MakeCXCursor(getCursorLabelRef(C).first,
4415 cxtu::getASTUnit(tu)->getASTContext()
4416 .getTranslationUnitDecl(),
4419 case CXCursor_OverloadedDeclRef:
4422 case CXCursor_VariableRef:
4423 return MakeCXCursor(getCursorVariableRef(C).first, tu);
4426 // We would prefer to enumerate all non-reference cursor kinds here.
4427 llvm_unreachable("Unhandled reference cursor kind");
4431 CXCursor clang_getCursorDefinition(CXCursor C) {
4432 if (clang_isInvalid(C.kind))
4433 return clang_getNullCursor();
4435 CXTranslationUnit TU = getCursorTU(C);
4437 bool WasReference = false;
4438 if (clang_isReference(C.kind) || clang_isExpression(C.kind)) {
4439 C = clang_getCursorReferenced(C);
4440 WasReference = true;
4443 if (C.kind == CXCursor_MacroExpansion)
4444 return clang_getCursorReferenced(C);
4446 if (!clang_isDeclaration(C.kind))
4447 return clang_getNullCursor();
4449 const Decl *D = getCursorDecl(C);
4451 return clang_getNullCursor();
4453 switch (D->getKind()) {
4454 // Declaration kinds that don't really separate the notions of
4455 // declaration and definition.
4456 case Decl::Namespace:
4458 case Decl::TypeAlias:
4459 case Decl::TypeAliasTemplate:
4460 case Decl::TemplateTypeParm:
4461 case Decl::EnumConstant:
4463 case Decl::MSProperty:
4464 case Decl::IndirectField:
4465 case Decl::ObjCIvar:
4466 case Decl::ObjCAtDefsField:
4467 case Decl::ImplicitParam:
4469 case Decl::NonTypeTemplateParm:
4470 case Decl::TemplateTemplateParm:
4471 case Decl::ObjCCategoryImpl:
4472 case Decl::ObjCImplementation:
4473 case Decl::AccessSpec:
4474 case Decl::LinkageSpec:
4475 case Decl::ObjCPropertyImpl:
4476 case Decl::FileScopeAsm:
4477 case Decl::StaticAssert:
4479 case Decl::Captured:
4480 case Decl::Label: // FIXME: Is this right??
4481 case Decl::ClassScopeFunctionSpecialization:
4483 case Decl::OMPThreadPrivate:
4486 // Declaration kinds that don't make any sense here, but are
4487 // nonetheless harmless.
4489 case Decl::TranslationUnit:
4492 // Declaration kinds for which the definition is not resolvable.
4493 case Decl::UnresolvedUsingTypename:
4494 case Decl::UnresolvedUsingValue:
4497 case Decl::UsingDirective:
4498 return MakeCXCursor(cast<UsingDirectiveDecl>(D)->getNominatedNamespace(),
4501 case Decl::NamespaceAlias:
4502 return MakeCXCursor(cast<NamespaceAliasDecl>(D)->getNamespace(), TU);
4506 case Decl::CXXRecord:
4507 case Decl::ClassTemplateSpecialization:
4508 case Decl::ClassTemplatePartialSpecialization:
4509 if (TagDecl *Def = cast<TagDecl>(D)->getDefinition())
4510 return MakeCXCursor(Def, TU);
4511 return clang_getNullCursor();
4513 case Decl::Function:
4514 case Decl::CXXMethod:
4515 case Decl::CXXConstructor:
4516 case Decl::CXXDestructor:
4517 case Decl::CXXConversion: {
4518 const FunctionDecl *Def = 0;
4519 if (cast<FunctionDecl>(D)->getBody(Def))
4520 return MakeCXCursor(Def, TU);
4521 return clang_getNullCursor();
4525 // Ask the variable if it has a definition.
4526 if (const VarDecl *Def = cast<VarDecl>(D)->getDefinition())
4527 return MakeCXCursor(Def, TU);
4528 return clang_getNullCursor();
4531 case Decl::FunctionTemplate: {
4532 const FunctionDecl *Def = 0;
4533 if (cast<FunctionTemplateDecl>(D)->getTemplatedDecl()->getBody(Def))
4534 return MakeCXCursor(Def->getDescribedFunctionTemplate(), TU);
4535 return clang_getNullCursor();
4538 case Decl::ClassTemplate: {
4539 if (RecordDecl *Def = cast<ClassTemplateDecl>(D)->getTemplatedDecl()
4541 return MakeCXCursor(cast<CXXRecordDecl>(Def)->getDescribedClassTemplate(),
4543 return clang_getNullCursor();
4547 return MakeCursorOverloadedDeclRef(cast<UsingDecl>(D),
4548 D->getLocation(), TU);
4550 case Decl::UsingShadow:
4551 return clang_getCursorDefinition(
4552 MakeCXCursor(cast<UsingShadowDecl>(D)->getTargetDecl(),
4555 case Decl::ObjCMethod: {
4556 const ObjCMethodDecl *Method = cast<ObjCMethodDecl>(D);
4557 if (Method->isThisDeclarationADefinition())
4560 // Dig out the method definition in the associated
4561 // @implementation, if we have it.
4562 // FIXME: The ASTs should make finding the definition easier.
4563 if (const ObjCInterfaceDecl *Class
4564 = dyn_cast<ObjCInterfaceDecl>(Method->getDeclContext()))
4565 if (ObjCImplementationDecl *ClassImpl = Class->getImplementation())
4566 if (ObjCMethodDecl *Def = ClassImpl->getMethod(Method->getSelector(),
4567 Method->isInstanceMethod()))
4568 if (Def->isThisDeclarationADefinition())
4569 return MakeCXCursor(Def, TU);
4571 return clang_getNullCursor();
4574 case Decl::ObjCCategory:
4575 if (ObjCCategoryImplDecl *Impl
4576 = cast<ObjCCategoryDecl>(D)->getImplementation())
4577 return MakeCXCursor(Impl, TU);
4578 return clang_getNullCursor();
4580 case Decl::ObjCProtocol:
4581 if (const ObjCProtocolDecl *Def = cast<ObjCProtocolDecl>(D)->getDefinition())
4582 return MakeCXCursor(Def, TU);
4583 return clang_getNullCursor();
4585 case Decl::ObjCInterface: {
4586 // There are two notions of a "definition" for an Objective-C
4587 // class: the interface and its implementation. When we resolved a
4588 // reference to an Objective-C class, produce the @interface as
4589 // the definition; when we were provided with the interface,
4590 // produce the @implementation as the definition.
4591 const ObjCInterfaceDecl *IFace = cast<ObjCInterfaceDecl>(D);
4593 if (const ObjCInterfaceDecl *Def = IFace->getDefinition())
4594 return MakeCXCursor(Def, TU);
4595 } else if (ObjCImplementationDecl *Impl = IFace->getImplementation())
4596 return MakeCXCursor(Impl, TU);
4597 return clang_getNullCursor();
4600 case Decl::ObjCProperty:
4601 // FIXME: We don't really know where to find the
4602 // ObjCPropertyImplDecls that implement this property.
4603 return clang_getNullCursor();
4605 case Decl::ObjCCompatibleAlias:
4606 if (const ObjCInterfaceDecl *Class
4607 = cast<ObjCCompatibleAliasDecl>(D)->getClassInterface())
4608 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
4609 return MakeCXCursor(Def, TU);
4611 return clang_getNullCursor();
4614 if (NamedDecl *Friend = cast<FriendDecl>(D)->getFriendDecl())
4615 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
4616 return clang_getNullCursor();
4618 case Decl::FriendTemplate:
4619 if (NamedDecl *Friend = cast<FriendTemplateDecl>(D)->getFriendDecl())
4620 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
4621 return clang_getNullCursor();
4624 return clang_getNullCursor();
4627 unsigned clang_isCursorDefinition(CXCursor C) {
4628 if (!clang_isDeclaration(C.kind))
4631 return clang_getCursorDefinition(C) == C;
4634 CXCursor clang_getCanonicalCursor(CXCursor C) {
4635 if (!clang_isDeclaration(C.kind))
4638 if (const Decl *D = getCursorDecl(C)) {
4639 if (const ObjCCategoryImplDecl *CatImplD = dyn_cast<ObjCCategoryImplDecl>(D))
4640 if (ObjCCategoryDecl *CatD = CatImplD->getCategoryDecl())
4641 return MakeCXCursor(CatD, getCursorTU(C));
4643 if (const ObjCImplDecl *ImplD = dyn_cast<ObjCImplDecl>(D))
4644 if (const ObjCInterfaceDecl *IFD = ImplD->getClassInterface())
4645 return MakeCXCursor(IFD, getCursorTU(C));
4647 return MakeCXCursor(D->getCanonicalDecl(), getCursorTU(C));
4653 int clang_Cursor_getObjCSelectorIndex(CXCursor cursor) {
4654 return cxcursor::getSelectorIdentifierIndexAndLoc(cursor).first;
4657 unsigned clang_getNumOverloadedDecls(CXCursor C) {
4658 if (C.kind != CXCursor_OverloadedDeclRef)
4661 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
4662 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
4663 return E->getNumDecls();
4665 if (OverloadedTemplateStorage *S
4666 = Storage.dyn_cast<OverloadedTemplateStorage*>())
4669 const Decl *D = Storage.get<const Decl *>();
4670 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
4671 return Using->shadow_size();
4676 CXCursor clang_getOverloadedDecl(CXCursor cursor, unsigned index) {
4677 if (cursor.kind != CXCursor_OverloadedDeclRef)
4678 return clang_getNullCursor();
4680 if (index >= clang_getNumOverloadedDecls(cursor))
4681 return clang_getNullCursor();
4683 CXTranslationUnit TU = getCursorTU(cursor);
4684 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(cursor).first;
4685 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
4686 return MakeCXCursor(E->decls_begin()[index], TU);
4688 if (OverloadedTemplateStorage *S
4689 = Storage.dyn_cast<OverloadedTemplateStorage*>())
4690 return MakeCXCursor(S->begin()[index], TU);
4692 const Decl *D = Storage.get<const Decl *>();
4693 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D)) {
4694 // FIXME: This is, unfortunately, linear time.
4695 UsingDecl::shadow_iterator Pos = Using->shadow_begin();
4696 std::advance(Pos, index);
4697 return MakeCXCursor(cast<UsingShadowDecl>(*Pos)->getTargetDecl(), TU);
4700 return clang_getNullCursor();
4703 void clang_getDefinitionSpellingAndExtent(CXCursor C,
4704 const char **startBuf,
4705 const char **endBuf,
4706 unsigned *startLine,
4707 unsigned *startColumn,
4709 unsigned *endColumn) {
4710 assert(getCursorDecl(C) && "CXCursor has null decl");
4711 const FunctionDecl *FD = dyn_cast<FunctionDecl>(getCursorDecl(C));
4712 CompoundStmt *Body = dyn_cast<CompoundStmt>(FD->getBody());
4714 SourceManager &SM = FD->getASTContext().getSourceManager();
4715 *startBuf = SM.getCharacterData(Body->getLBracLoc());
4716 *endBuf = SM.getCharacterData(Body->getRBracLoc());
4717 *startLine = SM.getSpellingLineNumber(Body->getLBracLoc());
4718 *startColumn = SM.getSpellingColumnNumber(Body->getLBracLoc());
4719 *endLine = SM.getSpellingLineNumber(Body->getRBracLoc());
4720 *endColumn = SM.getSpellingColumnNumber(Body->getRBracLoc());
4724 CXSourceRange clang_getCursorReferenceNameRange(CXCursor C, unsigned NameFlags,
4725 unsigned PieceIndex) {
4726 RefNamePieces Pieces;
4729 case CXCursor_MemberRefExpr:
4730 if (const MemberExpr *E = dyn_cast<MemberExpr>(getCursorExpr(C)))
4731 Pieces = buildPieces(NameFlags, true, E->getMemberNameInfo(),
4732 E->getQualifierLoc().getSourceRange());
4735 case CXCursor_DeclRefExpr:
4736 if (const DeclRefExpr *E = dyn_cast<DeclRefExpr>(getCursorExpr(C)))
4737 Pieces = buildPieces(NameFlags, false, E->getNameInfo(),
4738 E->getQualifierLoc().getSourceRange(),
4739 E->getOptionalExplicitTemplateArgs());
4742 case CXCursor_CallExpr:
4743 if (const CXXOperatorCallExpr *OCE =
4744 dyn_cast<CXXOperatorCallExpr>(getCursorExpr(C))) {
4745 const Expr *Callee = OCE->getCallee();
4746 if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Callee))
4747 Callee = ICE->getSubExpr();
4749 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Callee))
4750 Pieces = buildPieces(NameFlags, false, DRE->getNameInfo(),
4751 DRE->getQualifierLoc().getSourceRange());
4759 if (Pieces.empty()) {
4760 if (PieceIndex == 0)
4761 return clang_getCursorExtent(C);
4762 } else if (PieceIndex < Pieces.size()) {
4763 SourceRange R = Pieces[PieceIndex];
4765 return cxloc::translateSourceRange(getCursorContext(C), R);
4768 return clang_getNullRange();
4771 void clang_enableStackTraces(void) {
4772 llvm::sys::PrintStackTraceOnErrorSignal();
4775 void clang_executeOnThread(void (*fn)(void*), void *user_data,
4776 unsigned stack_size) {
4777 llvm::llvm_execute_on_thread(fn, user_data, stack_size);
4780 } // end: extern "C"
4782 //===----------------------------------------------------------------------===//
4783 // Token-based Operations.
4784 //===----------------------------------------------------------------------===//
4787 * int_data[0]: a CXTokenKind
4788 * int_data[1]: starting token location
4789 * int_data[2]: token length
4790 * int_data[3]: reserved
4791 * ptr_data: for identifiers and keywords, an IdentifierInfo*.
4796 CXTokenKind clang_getTokenKind(CXToken CXTok) {
4797 return static_cast<CXTokenKind>(CXTok.int_data[0]);
4800 CXString clang_getTokenSpelling(CXTranslationUnit TU, CXToken CXTok) {
4801 switch (clang_getTokenKind(CXTok)) {
4802 case CXToken_Identifier:
4803 case CXToken_Keyword:
4804 // We know we have an IdentifierInfo*, so use that.
4805 return cxstring::createRef(static_cast<IdentifierInfo *>(CXTok.ptr_data)
4808 case CXToken_Literal: {
4809 // We have stashed the starting pointer in the ptr_data field. Use it.
4810 const char *Text = static_cast<const char *>(CXTok.ptr_data);
4811 return cxstring::createDup(StringRef(Text, CXTok.int_data[2]));
4814 case CXToken_Punctuation:
4815 case CXToken_Comment:
4819 // We have to find the starting buffer pointer the hard way, by
4820 // deconstructing the source location.
4821 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4823 return cxstring::createEmpty();
4825 SourceLocation Loc = SourceLocation::getFromRawEncoding(CXTok.int_data[1]);
4826 std::pair<FileID, unsigned> LocInfo
4827 = CXXUnit->getSourceManager().getDecomposedSpellingLoc(Loc);
4828 bool Invalid = false;
4830 = CXXUnit->getSourceManager().getBufferData(LocInfo.first, &Invalid);
4832 return cxstring::createEmpty();
4834 return cxstring::createDup(Buffer.substr(LocInfo.second, CXTok.int_data[2]));
4837 CXSourceLocation clang_getTokenLocation(CXTranslationUnit TU, CXToken CXTok) {
4838 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4840 return clang_getNullLocation();
4842 return cxloc::translateSourceLocation(CXXUnit->getASTContext(),
4843 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
4846 CXSourceRange clang_getTokenExtent(CXTranslationUnit TU, CXToken CXTok) {
4847 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4849 return clang_getNullRange();
4851 return cxloc::translateSourceRange(CXXUnit->getASTContext(),
4852 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
4855 static void getTokens(ASTUnit *CXXUnit, SourceRange Range,
4856 SmallVectorImpl<CXToken> &CXTokens) {
4857 SourceManager &SourceMgr = CXXUnit->getSourceManager();
4858 std::pair<FileID, unsigned> BeginLocInfo
4859 = SourceMgr.getDecomposedSpellingLoc(Range.getBegin());
4860 std::pair<FileID, unsigned> EndLocInfo
4861 = SourceMgr.getDecomposedSpellingLoc(Range.getEnd());
4863 // Cannot tokenize across files.
4864 if (BeginLocInfo.first != EndLocInfo.first)
4868 bool Invalid = false;
4870 = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
4874 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
4875 CXXUnit->getASTContext().getLangOpts(),
4876 Buffer.begin(), Buffer.data() + BeginLocInfo.second, Buffer.end());
4877 Lex.SetCommentRetentionState(true);
4879 // Lex tokens until we hit the end of the range.
4880 const char *EffectiveBufferEnd = Buffer.data() + EndLocInfo.second;
4882 bool previousWasAt = false;
4884 // Lex the next token
4885 Lex.LexFromRawLexer(Tok);
4886 if (Tok.is(tok::eof))
4889 // Initialize the CXToken.
4893 CXTok.int_data[1] = Tok.getLocation().getRawEncoding();
4894 CXTok.int_data[2] = Tok.getLength();
4895 CXTok.int_data[3] = 0;
4897 // - Kind-specific fields
4898 if (Tok.isLiteral()) {
4899 CXTok.int_data[0] = CXToken_Literal;
4900 CXTok.ptr_data = const_cast<char *>(Tok.getLiteralData());
4901 } else if (Tok.is(tok::raw_identifier)) {
4902 // Lookup the identifier to determine whether we have a keyword.
4904 = CXXUnit->getPreprocessor().LookUpIdentifierInfo(Tok);
4906 if ((II->getObjCKeywordID() != tok::objc_not_keyword) && previousWasAt) {
4907 CXTok.int_data[0] = CXToken_Keyword;
4910 CXTok.int_data[0] = Tok.is(tok::identifier)
4911 ? CXToken_Identifier
4914 CXTok.ptr_data = II;
4915 } else if (Tok.is(tok::comment)) {
4916 CXTok.int_data[0] = CXToken_Comment;
4919 CXTok.int_data[0] = CXToken_Punctuation;
4922 CXTokens.push_back(CXTok);
4923 previousWasAt = Tok.is(tok::at);
4924 } while (Lex.getBufferLocation() <= EffectiveBufferEnd);
4927 void clang_tokenize(CXTranslationUnit TU, CXSourceRange Range,
4928 CXToken **Tokens, unsigned *NumTokens) {
4930 *Log << TU << ' ' << Range;
4941 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4942 if (!CXXUnit || !Tokens || !NumTokens)
4945 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
4947 SourceRange R = cxloc::translateCXSourceRange(Range);
4951 SmallVector<CXToken, 32> CXTokens;
4952 getTokens(CXXUnit, R, CXTokens);
4954 if (CXTokens.empty())
4957 *Tokens = (CXToken *)malloc(sizeof(CXToken) * CXTokens.size());
4958 memmove(*Tokens, CXTokens.data(), sizeof(CXToken) * CXTokens.size());
4959 *NumTokens = CXTokens.size();
4962 void clang_disposeTokens(CXTranslationUnit TU,
4963 CXToken *Tokens, unsigned NumTokens) {
4967 } // end: extern "C"
4969 //===----------------------------------------------------------------------===//
4970 // Token annotation APIs.
4971 //===----------------------------------------------------------------------===//
4973 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
4975 CXClientData client_data);
4976 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
4977 CXClientData client_data);
4980 class AnnotateTokensWorker {
4985 unsigned PreprocessingTokIdx;
4986 CursorVisitor AnnotateVis;
4987 SourceManager &SrcMgr;
4988 bool HasContextSensitiveKeywords;
4990 struct PostChildrenInfo {
4992 SourceRange CursorRange;
4993 unsigned BeforeReachingCursorIdx;
4994 unsigned BeforeChildrenTokenIdx;
4996 SmallVector<PostChildrenInfo, 8> PostChildrenInfos;
4998 bool MoreTokens() const { return TokIdx < NumTokens; }
4999 unsigned NextToken() const { return TokIdx; }
5000 void AdvanceToken() { ++TokIdx; }
5001 SourceLocation GetTokenLoc(unsigned tokI) {
5002 return SourceLocation::getFromRawEncoding(Tokens[tokI].int_data[1]);
5004 bool isFunctionMacroToken(unsigned tokI) const {
5005 return Tokens[tokI].int_data[3] != 0;
5007 SourceLocation getFunctionMacroTokenLoc(unsigned tokI) const {
5008 return SourceLocation::getFromRawEncoding(Tokens[tokI].int_data[3]);
5011 void annotateAndAdvanceTokens(CXCursor, RangeComparisonResult, SourceRange);
5012 bool annotateAndAdvanceFunctionMacroTokens(CXCursor, RangeComparisonResult,
5016 AnnotateTokensWorker(CXToken *tokens, CXCursor *cursors, unsigned numTokens,
5017 CXTranslationUnit TU, SourceRange RegionOfInterest)
5018 : Tokens(tokens), Cursors(cursors),
5019 NumTokens(numTokens), TokIdx(0), PreprocessingTokIdx(0),
5021 AnnotateTokensVisitor, this,
5022 /*VisitPreprocessorLast=*/true,
5023 /*VisitIncludedEntities=*/false,
5025 /*VisitDeclsOnly=*/false,
5026 AnnotateTokensPostChildrenVisitor),
5027 SrcMgr(cxtu::getASTUnit(TU)->getSourceManager()),
5028 HasContextSensitiveKeywords(false) { }
5030 void VisitChildren(CXCursor C) { AnnotateVis.VisitChildren(C); }
5031 enum CXChildVisitResult Visit(CXCursor cursor, CXCursor parent);
5032 bool postVisitChildren(CXCursor cursor);
5033 void AnnotateTokens();
5035 /// \brief Determine whether the annotator saw any cursors that have
5036 /// context-sensitive keywords.
5037 bool hasContextSensitiveKeywords() const {
5038 return HasContextSensitiveKeywords;
5041 ~AnnotateTokensWorker() {
5042 assert(PostChildrenInfos.empty());
5047 void AnnotateTokensWorker::AnnotateTokens() {
5048 // Walk the AST within the region of interest, annotating tokens
5050 AnnotateVis.visitFileRegion();
5053 static inline void updateCursorAnnotation(CXCursor &Cursor,
5054 const CXCursor &updateC) {
5055 if (clang_isInvalid(updateC.kind) || !clang_isInvalid(Cursor.kind))
5060 /// \brief It annotates and advances tokens with a cursor until the comparison
5061 //// between the cursor location and the source range is the same as
5062 /// \arg compResult.
5064 /// Pass RangeBefore to annotate tokens with a cursor until a range is reached.
5065 /// Pass RangeOverlap to annotate tokens inside a range.
5066 void AnnotateTokensWorker::annotateAndAdvanceTokens(CXCursor updateC,
5067 RangeComparisonResult compResult,
5068 SourceRange range) {
5069 while (MoreTokens()) {
5070 const unsigned I = NextToken();
5071 if (isFunctionMacroToken(I))
5072 if (!annotateAndAdvanceFunctionMacroTokens(updateC, compResult, range))
5075 SourceLocation TokLoc = GetTokenLoc(I);
5076 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
5077 updateCursorAnnotation(Cursors[I], updateC);
5085 /// \brief Special annotation handling for macro argument tokens.
5086 /// \returns true if it advanced beyond all macro tokens, false otherwise.
5087 bool AnnotateTokensWorker::annotateAndAdvanceFunctionMacroTokens(
5089 RangeComparisonResult compResult,
5090 SourceRange range) {
5091 assert(MoreTokens());
5092 assert(isFunctionMacroToken(NextToken()) &&
5093 "Should be called only for macro arg tokens");
5095 // This works differently than annotateAndAdvanceTokens; because expanded
5096 // macro arguments can have arbitrary translation-unit source order, we do not
5097 // advance the token index one by one until a token fails the range test.
5098 // We only advance once past all of the macro arg tokens if all of them
5099 // pass the range test. If one of them fails we keep the token index pointing
5100 // at the start of the macro arg tokens so that the failing token will be
5101 // annotated by a subsequent annotation try.
5103 bool atLeastOneCompFail = false;
5105 unsigned I = NextToken();
5106 for (; I < NumTokens && isFunctionMacroToken(I); ++I) {
5107 SourceLocation TokLoc = getFunctionMacroTokenLoc(I);
5108 if (TokLoc.isFileID())
5109 continue; // not macro arg token, it's parens or comma.
5110 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
5111 if (clang_isInvalid(clang_getCursorKind(Cursors[I])))
5112 Cursors[I] = updateC;
5114 atLeastOneCompFail = true;
5117 if (atLeastOneCompFail)
5120 TokIdx = I; // All of the tokens were handled, advance beyond all of them.
5124 enum CXChildVisitResult
5125 AnnotateTokensWorker::Visit(CXCursor cursor, CXCursor parent) {
5126 SourceRange cursorRange = getRawCursorExtent(cursor);
5127 if (cursorRange.isInvalid())
5128 return CXChildVisit_Recurse;
5130 if (!HasContextSensitiveKeywords) {
5131 // Objective-C properties can have context-sensitive keywords.
5132 if (cursor.kind == CXCursor_ObjCPropertyDecl) {
5133 if (const ObjCPropertyDecl *Property
5134 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(cursor)))
5135 HasContextSensitiveKeywords = Property->getPropertyAttributesAsWritten() != 0;
5137 // Objective-C methods can have context-sensitive keywords.
5138 else if (cursor.kind == CXCursor_ObjCInstanceMethodDecl ||
5139 cursor.kind == CXCursor_ObjCClassMethodDecl) {
5140 if (const ObjCMethodDecl *Method
5141 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
5142 if (Method->getObjCDeclQualifier())
5143 HasContextSensitiveKeywords = true;
5145 for (ObjCMethodDecl::param_const_iterator P = Method->param_begin(),
5146 PEnd = Method->param_end();
5148 if ((*P)->getObjCDeclQualifier()) {
5149 HasContextSensitiveKeywords = true;
5156 // C++ methods can have context-sensitive keywords.
5157 else if (cursor.kind == CXCursor_CXXMethod) {
5158 if (const CXXMethodDecl *Method
5159 = dyn_cast_or_null<CXXMethodDecl>(getCursorDecl(cursor))) {
5160 if (Method->hasAttr<FinalAttr>() || Method->hasAttr<OverrideAttr>())
5161 HasContextSensitiveKeywords = true;
5164 // C++ classes can have context-sensitive keywords.
5165 else if (cursor.kind == CXCursor_StructDecl ||
5166 cursor.kind == CXCursor_ClassDecl ||
5167 cursor.kind == CXCursor_ClassTemplate ||
5168 cursor.kind == CXCursor_ClassTemplatePartialSpecialization) {
5169 if (const Decl *D = getCursorDecl(cursor))
5170 if (D->hasAttr<FinalAttr>())
5171 HasContextSensitiveKeywords = true;
5175 if (clang_isPreprocessing(cursor.kind)) {
5176 // Items in the preprocessing record are kept separate from items in
5177 // declarations, so we keep a separate token index.
5178 unsigned SavedTokIdx = TokIdx;
5179 TokIdx = PreprocessingTokIdx;
5181 // Skip tokens up until we catch up to the beginning of the preprocessing
5183 while (MoreTokens()) {
5184 const unsigned I = NextToken();
5185 SourceLocation TokLoc = GetTokenLoc(I);
5186 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
5197 // Look at all of the tokens within this range.
5198 while (MoreTokens()) {
5199 const unsigned I = NextToken();
5200 SourceLocation TokLoc = GetTokenLoc(I);
5201 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
5203 llvm_unreachable("Infeasible");
5207 // For macro expansions, just note where the beginning of the macro
5208 // expansion occurs.
5209 if (cursor.kind == CXCursor_MacroExpansion) {
5210 if (TokLoc == cursorRange.getBegin())
5211 Cursors[I] = cursor;
5215 // We may have already annotated macro names inside macro definitions.
5216 if (Cursors[I].kind != CXCursor_MacroExpansion)
5217 Cursors[I] = cursor;
5224 // Save the preprocessing token index; restore the non-preprocessing
5226 PreprocessingTokIdx = TokIdx;
5227 TokIdx = SavedTokIdx;
5228 return CXChildVisit_Recurse;
5231 if (cursorRange.isInvalid())
5232 return CXChildVisit_Continue;
5234 unsigned BeforeReachingCursorIdx = NextToken();
5235 const enum CXCursorKind cursorK = clang_getCursorKind(cursor);
5236 const enum CXCursorKind K = clang_getCursorKind(parent);
5237 const CXCursor updateC =
5238 (clang_isInvalid(K) || K == CXCursor_TranslationUnit ||
5239 // Attributes are annotated out-of-order, skip tokens until we reach it.
5240 clang_isAttribute(cursor.kind))
5241 ? clang_getNullCursor() : parent;
5243 annotateAndAdvanceTokens(updateC, RangeBefore, cursorRange);
5245 // Avoid having the cursor of an expression "overwrite" the annotation of the
5246 // variable declaration that it belongs to.
5247 // This can happen for C++ constructor expressions whose range generally
5248 // include the variable declaration, e.g.:
5249 // MyCXXClass foo; // Make sure we don't annotate 'foo' as a CallExpr cursor.
5250 if (clang_isExpression(cursorK)) {
5251 const Expr *E = getCursorExpr(cursor);
5252 if (const Decl *D = getCursorParentDecl(cursor)) {
5253 const unsigned I = NextToken();
5254 if (E->getLocStart().isValid() && D->getLocation().isValid() &&
5255 E->getLocStart() == D->getLocation() &&
5256 E->getLocStart() == GetTokenLoc(I)) {
5257 updateCursorAnnotation(Cursors[I], updateC);
5263 // Before recursing into the children keep some state that we are going
5264 // to use in the AnnotateTokensWorker::postVisitChildren callback to do some
5265 // extra work after the child nodes are visited.
5266 // Note that we don't call VisitChildren here to avoid traversing statements
5267 // code-recursively which can blow the stack.
5269 PostChildrenInfo Info;
5270 Info.Cursor = cursor;
5271 Info.CursorRange = cursorRange;
5272 Info.BeforeReachingCursorIdx = BeforeReachingCursorIdx;
5273 Info.BeforeChildrenTokenIdx = NextToken();
5274 PostChildrenInfos.push_back(Info);
5276 return CXChildVisit_Recurse;
5279 bool AnnotateTokensWorker::postVisitChildren(CXCursor cursor) {
5280 if (PostChildrenInfos.empty())
5282 const PostChildrenInfo &Info = PostChildrenInfos.back();
5283 if (!clang_equalCursors(Info.Cursor, cursor))
5286 const unsigned BeforeChildren = Info.BeforeChildrenTokenIdx;
5287 const unsigned AfterChildren = NextToken();
5288 SourceRange cursorRange = Info.CursorRange;
5290 // Scan the tokens that are at the end of the cursor, but are not captured
5291 // but the child cursors.
5292 annotateAndAdvanceTokens(cursor, RangeOverlap, cursorRange);
5294 // Scan the tokens that are at the beginning of the cursor, but are not
5295 // capture by the child cursors.
5296 for (unsigned I = BeforeChildren; I != AfterChildren; ++I) {
5297 if (!clang_isInvalid(clang_getCursorKind(Cursors[I])))
5300 Cursors[I] = cursor;
5303 // Attributes are annotated out-of-order, rewind TokIdx to when we first
5304 // encountered the attribute cursor.
5305 if (clang_isAttribute(cursor.kind))
5306 TokIdx = Info.BeforeReachingCursorIdx;
5308 PostChildrenInfos.pop_back();
5312 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
5314 CXClientData client_data) {
5315 return static_cast<AnnotateTokensWorker*>(client_data)->Visit(cursor, parent);
5318 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
5319 CXClientData client_data) {
5320 return static_cast<AnnotateTokensWorker*>(client_data)->
5321 postVisitChildren(cursor);
5326 /// \brief Uses the macro expansions in the preprocessing record to find
5327 /// and mark tokens that are macro arguments. This info is used by the
5328 /// AnnotateTokensWorker.
5329 class MarkMacroArgTokensVisitor {
5336 MarkMacroArgTokensVisitor(SourceManager &SM,
5337 CXToken *tokens, unsigned numTokens)
5338 : SM(SM), Tokens(tokens), NumTokens(numTokens), CurIdx(0) { }
5340 CXChildVisitResult visit(CXCursor cursor, CXCursor parent) {
5341 if (cursor.kind != CXCursor_MacroExpansion)
5342 return CXChildVisit_Continue;
5344 SourceRange macroRange = getCursorMacroExpansion(cursor).getSourceRange();
5345 if (macroRange.getBegin() == macroRange.getEnd())
5346 return CXChildVisit_Continue; // it's not a function macro.
5348 for (; CurIdx < NumTokens; ++CurIdx) {
5349 if (!SM.isBeforeInTranslationUnit(getTokenLoc(CurIdx),
5350 macroRange.getBegin()))
5354 if (CurIdx == NumTokens)
5355 return CXChildVisit_Break;
5357 for (; CurIdx < NumTokens; ++CurIdx) {
5358 SourceLocation tokLoc = getTokenLoc(CurIdx);
5359 if (!SM.isBeforeInTranslationUnit(tokLoc, macroRange.getEnd()))
5362 setFunctionMacroTokenLoc(CurIdx, SM.getMacroArgExpandedLocation(tokLoc));
5365 if (CurIdx == NumTokens)
5366 return CXChildVisit_Break;
5368 return CXChildVisit_Continue;
5372 SourceLocation getTokenLoc(unsigned tokI) {
5373 return SourceLocation::getFromRawEncoding(Tokens[tokI].int_data[1]);
5376 void setFunctionMacroTokenLoc(unsigned tokI, SourceLocation loc) {
5377 // The third field is reserved and currently not used. Use it here
5378 // to mark macro arg expanded tokens with their expanded locations.
5379 Tokens[tokI].int_data[3] = loc.getRawEncoding();
5383 } // end anonymous namespace
5385 static CXChildVisitResult
5386 MarkMacroArgTokensVisitorDelegate(CXCursor cursor, CXCursor parent,
5387 CXClientData client_data) {
5388 return static_cast<MarkMacroArgTokensVisitor*>(client_data)->visit(cursor,
5393 struct clang_annotateTokens_Data {
5394 CXTranslationUnit TU;
5402 /// \brief Used by \c annotatePreprocessorTokens.
5403 /// \returns true if lexing was finished, false otherwise.
5404 static bool lexNext(Lexer &Lex, Token &Tok,
5405 unsigned &NextIdx, unsigned NumTokens) {
5406 if (NextIdx >= NumTokens)
5410 Lex.LexFromRawLexer(Tok);
5411 if (Tok.is(tok::eof))
5417 static void annotatePreprocessorTokens(CXTranslationUnit TU,
5418 SourceRange RegionOfInterest,
5421 unsigned NumTokens) {
5422 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5424 Preprocessor &PP = CXXUnit->getPreprocessor();
5425 SourceManager &SourceMgr = CXXUnit->getSourceManager();
5426 std::pair<FileID, unsigned> BeginLocInfo
5427 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getBegin());
5428 std::pair<FileID, unsigned> EndLocInfo
5429 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getEnd());
5431 if (BeginLocInfo.first != EndLocInfo.first)
5435 bool Invalid = false;
5436 Buffer = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
5437 if (Buffer.empty() || Invalid)
5440 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
5441 CXXUnit->getASTContext().getLangOpts(),
5442 Buffer.begin(), Buffer.data() + BeginLocInfo.second,
5444 Lex.SetCommentRetentionState(true);
5446 unsigned NextIdx = 0;
5447 // Lex tokens in raw mode until we hit the end of the range, to avoid
5448 // entering #includes or expanding macros.
5451 if (lexNext(Lex, Tok, NextIdx, NumTokens))
5453 unsigned TokIdx = NextIdx-1;
5454 assert(Tok.getLocation() ==
5455 SourceLocation::getFromRawEncoding(Tokens[TokIdx].int_data[1]));
5458 if (Tok.is(tok::hash) && Tok.isAtStartOfLine()) {
5459 // We have found a preprocessing directive. Annotate the tokens
5462 // FIXME: Some simple tests here could identify macro definitions and
5463 // #undefs, to provide specific cursor kinds for those.
5465 SourceLocation BeginLoc = Tok.getLocation();
5466 if (lexNext(Lex, Tok, NextIdx, NumTokens))
5470 if (Tok.is(tok::raw_identifier) &&
5471 StringRef(Tok.getRawIdentifierData(), Tok.getLength()) == "define") {
5472 if (lexNext(Lex, Tok, NextIdx, NumTokens))
5475 if (Tok.is(tok::raw_identifier)) {
5476 StringRef Name(Tok.getRawIdentifierData(), Tok.getLength());
5477 IdentifierInfo &II = PP.getIdentifierTable().get(Name);
5478 SourceLocation MappedTokLoc =
5479 CXXUnit->mapLocationToPreamble(Tok.getLocation());
5480 MI = getMacroInfo(II, MappedTokLoc, TU);
5484 bool finished = false;
5486 if (lexNext(Lex, Tok, NextIdx, NumTokens)) {
5490 // If we are in a macro definition, check if the token was ever a
5491 // macro name and annotate it if that's the case.
5493 SourceLocation SaveLoc = Tok.getLocation();
5494 Tok.setLocation(CXXUnit->mapLocationToPreamble(SaveLoc));
5495 MacroDefinition *MacroDef = checkForMacroInMacroDefinition(MI,Tok,TU);
5496 Tok.setLocation(SaveLoc);
5498 Cursors[NextIdx-1] = MakeMacroExpansionCursor(MacroDef,
5499 Tok.getLocation(), TU);
5501 } while (!Tok.isAtStartOfLine());
5503 unsigned LastIdx = finished ? NextIdx-1 : NextIdx-2;
5504 assert(TokIdx <= LastIdx);
5505 SourceLocation EndLoc =
5506 SourceLocation::getFromRawEncoding(Tokens[LastIdx].int_data[1]);
5508 MakePreprocessingDirectiveCursor(SourceRange(BeginLoc, EndLoc), TU);
5510 for (; TokIdx <= LastIdx; ++TokIdx)
5511 updateCursorAnnotation(Cursors[TokIdx], Cursor);
5520 // This gets run a separate thread to avoid stack blowout.
5521 static void clang_annotateTokensImpl(void *UserData) {
5522 CXTranslationUnit TU = ((clang_annotateTokens_Data*)UserData)->TU;
5523 ASTUnit *CXXUnit = ((clang_annotateTokens_Data*)UserData)->CXXUnit;
5524 CXToken *Tokens = ((clang_annotateTokens_Data*)UserData)->Tokens;
5525 const unsigned NumTokens = ((clang_annotateTokens_Data*)UserData)->NumTokens;
5526 CXCursor *Cursors = ((clang_annotateTokens_Data*)UserData)->Cursors;
5528 CIndexer *CXXIdx = TU->CIdx;
5529 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
5530 setThreadBackgroundPriority();
5532 // Determine the region of interest, which contains all of the tokens.
5533 SourceRange RegionOfInterest;
5534 RegionOfInterest.setBegin(
5535 cxloc::translateSourceLocation(clang_getTokenLocation(TU, Tokens[0])));
5536 RegionOfInterest.setEnd(
5537 cxloc::translateSourceLocation(clang_getTokenLocation(TU,
5538 Tokens[NumTokens-1])));
5540 // Relex the tokens within the source range to look for preprocessing
5542 annotatePreprocessorTokens(TU, RegionOfInterest, Cursors, Tokens, NumTokens);
5544 // If begin location points inside a macro argument, set it to the expansion
5545 // location so we can have the full context when annotating semantically.
5547 SourceManager &SM = CXXUnit->getSourceManager();
5548 SourceLocation Loc =
5549 SM.getMacroArgExpandedLocation(RegionOfInterest.getBegin());
5550 if (Loc.isMacroID())
5551 RegionOfInterest.setBegin(SM.getExpansionLoc(Loc));
5554 if (CXXUnit->getPreprocessor().getPreprocessingRecord()) {
5555 // Search and mark tokens that are macro argument expansions.
5556 MarkMacroArgTokensVisitor Visitor(CXXUnit->getSourceManager(),
5558 CursorVisitor MacroArgMarker(TU,
5559 MarkMacroArgTokensVisitorDelegate, &Visitor,
5560 /*VisitPreprocessorLast=*/true,
5561 /*VisitIncludedEntities=*/false,
5563 MacroArgMarker.visitPreprocessedEntitiesInRegion();
5566 // Annotate all of the source locations in the region of interest that map to
5567 // a specific cursor.
5568 AnnotateTokensWorker W(Tokens, Cursors, NumTokens, TU, RegionOfInterest);
5570 // FIXME: We use a ridiculous stack size here because the data-recursion
5571 // algorithm uses a large stack frame than the non-data recursive version,
5572 // and AnnotationTokensWorker currently transforms the data-recursion
5573 // algorithm back into a traditional recursion by explicitly calling
5574 // VisitChildren(). We will need to remove this explicit recursive call.
5577 // If we ran into any entities that involve context-sensitive keywords,
5578 // take another pass through the tokens to mark them as such.
5579 if (W.hasContextSensitiveKeywords()) {
5580 for (unsigned I = 0; I != NumTokens; ++I) {
5581 if (clang_getTokenKind(Tokens[I]) != CXToken_Identifier)
5584 if (Cursors[I].kind == CXCursor_ObjCPropertyDecl) {
5585 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
5586 if (const ObjCPropertyDecl *Property
5587 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(Cursors[I]))) {
5588 if (Property->getPropertyAttributesAsWritten() != 0 &&
5589 llvm::StringSwitch<bool>(II->getName())
5590 .Case("readonly", true)
5591 .Case("assign", true)
5592 .Case("unsafe_unretained", true)
5593 .Case("readwrite", true)
5594 .Case("retain", true)
5596 .Case("nonatomic", true)
5597 .Case("atomic", true)
5598 .Case("getter", true)
5599 .Case("setter", true)
5600 .Case("strong", true)
5603 Tokens[I].int_data[0] = CXToken_Keyword;
5608 if (Cursors[I].kind == CXCursor_ObjCInstanceMethodDecl ||
5609 Cursors[I].kind == CXCursor_ObjCClassMethodDecl) {
5610 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
5611 if (llvm::StringSwitch<bool>(II->getName())
5614 .Case("inout", true)
5615 .Case("oneway", true)
5616 .Case("bycopy", true)
5617 .Case("byref", true)
5619 Tokens[I].int_data[0] = CXToken_Keyword;
5623 if (Cursors[I].kind == CXCursor_CXXFinalAttr ||
5624 Cursors[I].kind == CXCursor_CXXOverrideAttr) {
5625 Tokens[I].int_data[0] = CXToken_Keyword;
5634 void clang_annotateTokens(CXTranslationUnit TU,
5635 CXToken *Tokens, unsigned NumTokens,
5636 CXCursor *Cursors) {
5637 if (!TU || NumTokens == 0 || !Tokens || !Cursors) {
5638 LOG_FUNC_SECTION { *Log << "<null input>"; }
5644 CXSourceLocation bloc = clang_getTokenLocation(TU, Tokens[0]);
5645 CXSourceLocation eloc = clang_getTokenLocation(TU, Tokens[NumTokens-1]);
5646 *Log << clang_getRange(bloc, eloc);
5649 // Any token we don't specifically annotate will have a NULL cursor.
5650 CXCursor C = clang_getNullCursor();
5651 for (unsigned I = 0; I != NumTokens; ++I)
5654 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5658 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
5660 clang_annotateTokens_Data data = { TU, CXXUnit, Tokens, NumTokens, Cursors };
5661 llvm::CrashRecoveryContext CRC;
5662 if (!RunSafely(CRC, clang_annotateTokensImpl, &data,
5663 GetSafetyThreadStackSize() * 2)) {
5664 fprintf(stderr, "libclang: crash detected while annotating tokens\n");
5668 } // end: extern "C"
5670 //===----------------------------------------------------------------------===//
5671 // Operations for querying linkage of a cursor.
5672 //===----------------------------------------------------------------------===//
5675 CXLinkageKind clang_getCursorLinkage(CXCursor cursor) {
5676 if (!clang_isDeclaration(cursor.kind))
5677 return CXLinkage_Invalid;
5679 const Decl *D = cxcursor::getCursorDecl(cursor);
5680 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
5681 switch (ND->getLinkage()) {
5682 case NoLinkage: return CXLinkage_NoLinkage;
5683 case InternalLinkage: return CXLinkage_Internal;
5684 case UniqueExternalLinkage: return CXLinkage_UniqueExternal;
5685 case ExternalLinkage: return CXLinkage_External;
5688 return CXLinkage_Invalid;
5690 } // end: extern "C"
5692 //===----------------------------------------------------------------------===//
5693 // Operations for querying language of a cursor.
5694 //===----------------------------------------------------------------------===//
5696 static CXLanguageKind getDeclLanguage(const Decl *D) {
5698 return CXLanguage_C;
5700 switch (D->getKind()) {
5703 case Decl::ImplicitParam:
5704 case Decl::ObjCAtDefsField:
5705 case Decl::ObjCCategory:
5706 case Decl::ObjCCategoryImpl:
5707 case Decl::ObjCCompatibleAlias:
5708 case Decl::ObjCImplementation:
5709 case Decl::ObjCInterface:
5710 case Decl::ObjCIvar:
5711 case Decl::ObjCMethod:
5712 case Decl::ObjCProperty:
5713 case Decl::ObjCPropertyImpl:
5714 case Decl::ObjCProtocol:
5715 return CXLanguage_ObjC;
5716 case Decl::CXXConstructor:
5717 case Decl::CXXConversion:
5718 case Decl::CXXDestructor:
5719 case Decl::CXXMethod:
5720 case Decl::CXXRecord:
5721 case Decl::ClassTemplate:
5722 case Decl::ClassTemplatePartialSpecialization:
5723 case Decl::ClassTemplateSpecialization:
5725 case Decl::FriendTemplate:
5726 case Decl::FunctionTemplate:
5727 case Decl::LinkageSpec:
5728 case Decl::Namespace:
5729 case Decl::NamespaceAlias:
5730 case Decl::NonTypeTemplateParm:
5731 case Decl::StaticAssert:
5732 case Decl::TemplateTemplateParm:
5733 case Decl::TemplateTypeParm:
5734 case Decl::UnresolvedUsingTypename:
5735 case Decl::UnresolvedUsingValue:
5737 case Decl::UsingDirective:
5738 case Decl::UsingShadow:
5739 return CXLanguage_CPlusPlus;
5742 return CXLanguage_C;
5747 enum CXAvailabilityKind clang_getCursorAvailability(CXCursor cursor) {
5748 if (clang_isDeclaration(cursor.kind))
5749 if (const Decl *D = cxcursor::getCursorDecl(cursor)) {
5750 if (isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->isDeleted())
5751 return CXAvailability_Available;
5753 switch (D->getAvailability()) {
5755 case AR_NotYetIntroduced:
5756 return CXAvailability_Available;
5759 return CXAvailability_Deprecated;
5761 case AR_Unavailable:
5762 return CXAvailability_NotAvailable;
5766 return CXAvailability_Available;
5769 static CXVersion convertVersion(VersionTuple In) {
5770 CXVersion Out = { -1, -1, -1 };
5774 Out.Major = In.getMajor();
5776 Optional<unsigned> Minor = In.getMinor();
5777 if (Minor.hasValue())
5782 Optional<unsigned> Subminor = In.getSubminor();
5783 if (Subminor.hasValue())
5784 Out.Subminor = *Subminor;
5789 int clang_getCursorPlatformAvailability(CXCursor cursor,
5790 int *always_deprecated,
5791 CXString *deprecated_message,
5792 int *always_unavailable,
5793 CXString *unavailable_message,
5794 CXPlatformAvailability *availability,
5795 int availability_size) {
5796 if (always_deprecated)
5797 *always_deprecated = 0;
5798 if (deprecated_message)
5799 *deprecated_message = cxstring::createEmpty();
5800 if (always_unavailable)
5801 *always_unavailable = 0;
5802 if (unavailable_message)
5803 *unavailable_message = cxstring::createEmpty();
5805 if (!clang_isDeclaration(cursor.kind))
5808 const Decl *D = cxcursor::getCursorDecl(cursor);
5813 for (Decl::attr_iterator A = D->attr_begin(), AEnd = D->attr_end(); A != AEnd;
5815 if (DeprecatedAttr *Deprecated = dyn_cast<DeprecatedAttr>(*A)) {
5816 if (always_deprecated)
5817 *always_deprecated = 1;
5818 if (deprecated_message)
5819 *deprecated_message = cxstring::createDup(Deprecated->getMessage());
5823 if (UnavailableAttr *Unavailable = dyn_cast<UnavailableAttr>(*A)) {
5824 if (always_unavailable)
5825 *always_unavailable = 1;
5826 if (unavailable_message) {
5827 *unavailable_message = cxstring::createDup(Unavailable->getMessage());
5832 if (AvailabilityAttr *Avail = dyn_cast<AvailabilityAttr>(*A)) {
5833 if (N < availability_size) {
5834 availability[N].Platform
5835 = cxstring::createDup(Avail->getPlatform()->getName());
5836 availability[N].Introduced = convertVersion(Avail->getIntroduced());
5837 availability[N].Deprecated = convertVersion(Avail->getDeprecated());
5838 availability[N].Obsoleted = convertVersion(Avail->getObsoleted());
5839 availability[N].Unavailable = Avail->getUnavailable();
5840 availability[N].Message = cxstring::createDup(Avail->getMessage());
5849 void clang_disposeCXPlatformAvailability(CXPlatformAvailability *availability) {
5850 clang_disposeString(availability->Platform);
5851 clang_disposeString(availability->Message);
5854 CXLanguageKind clang_getCursorLanguage(CXCursor cursor) {
5855 if (clang_isDeclaration(cursor.kind))
5856 return getDeclLanguage(cxcursor::getCursorDecl(cursor));
5858 return CXLanguage_Invalid;
5861 /// \brief If the given cursor is the "templated" declaration
5862 /// descibing a class or function template, return the class or
5863 /// function template.
5864 static const Decl *maybeGetTemplateCursor(const Decl *D) {
5868 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
5869 if (FunctionTemplateDecl *FunTmpl = FD->getDescribedFunctionTemplate())
5872 if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D))
5873 if (ClassTemplateDecl *ClassTmpl = RD->getDescribedClassTemplate())
5879 CXCursor clang_getCursorSemanticParent(CXCursor cursor) {
5880 if (clang_isDeclaration(cursor.kind)) {
5881 if (const Decl *D = getCursorDecl(cursor)) {
5882 const DeclContext *DC = D->getDeclContext();
5884 return clang_getNullCursor();
5886 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
5887 getCursorTU(cursor));
5891 if (clang_isStatement(cursor.kind) || clang_isExpression(cursor.kind)) {
5892 if (const Decl *D = getCursorDecl(cursor))
5893 return MakeCXCursor(D, getCursorTU(cursor));
5896 return clang_getNullCursor();
5899 CXCursor clang_getCursorLexicalParent(CXCursor cursor) {
5900 if (clang_isDeclaration(cursor.kind)) {
5901 if (const Decl *D = getCursorDecl(cursor)) {
5902 const DeclContext *DC = D->getLexicalDeclContext();
5904 return clang_getNullCursor();
5906 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
5907 getCursorTU(cursor));
5911 // FIXME: Note that we can't easily compute the lexical context of a
5912 // statement or expression, so we return nothing.
5913 return clang_getNullCursor();
5916 CXFile clang_getIncludedFile(CXCursor cursor) {
5917 if (cursor.kind != CXCursor_InclusionDirective)
5920 const InclusionDirective *ID = getCursorInclusionDirective(cursor);
5921 return const_cast<FileEntry *>(ID->getFile());
5924 unsigned clang_Cursor_getObjCPropertyAttributes(CXCursor C, unsigned reserved) {
5925 if (C.kind != CXCursor_ObjCPropertyDecl)
5926 return CXObjCPropertyAttr_noattr;
5928 unsigned Result = CXObjCPropertyAttr_noattr;
5929 const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(getCursorDecl(C));
5930 ObjCPropertyDecl::PropertyAttributeKind Attr =
5931 PD->getPropertyAttributesAsWritten();
5933 #define SET_CXOBJCPROP_ATTR(A) \
5934 if (Attr & ObjCPropertyDecl::OBJC_PR_##A) \
5935 Result |= CXObjCPropertyAttr_##A
5936 SET_CXOBJCPROP_ATTR(readonly);
5937 SET_CXOBJCPROP_ATTR(getter);
5938 SET_CXOBJCPROP_ATTR(assign);
5939 SET_CXOBJCPROP_ATTR(readwrite);
5940 SET_CXOBJCPROP_ATTR(retain);
5941 SET_CXOBJCPROP_ATTR(copy);
5942 SET_CXOBJCPROP_ATTR(nonatomic);
5943 SET_CXOBJCPROP_ATTR(setter);
5944 SET_CXOBJCPROP_ATTR(atomic);
5945 SET_CXOBJCPROP_ATTR(weak);
5946 SET_CXOBJCPROP_ATTR(strong);
5947 SET_CXOBJCPROP_ATTR(unsafe_unretained);
5948 #undef SET_CXOBJCPROP_ATTR
5953 unsigned clang_Cursor_getObjCDeclQualifiers(CXCursor C) {
5954 if (!clang_isDeclaration(C.kind))
5955 return CXObjCDeclQualifier_None;
5957 Decl::ObjCDeclQualifier QT = Decl::OBJC_TQ_None;
5958 const Decl *D = getCursorDecl(C);
5959 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
5960 QT = MD->getObjCDeclQualifier();
5961 else if (const ParmVarDecl *PD = dyn_cast<ParmVarDecl>(D))
5962 QT = PD->getObjCDeclQualifier();
5963 if (QT == Decl::OBJC_TQ_None)
5964 return CXObjCDeclQualifier_None;
5966 unsigned Result = CXObjCDeclQualifier_None;
5967 if (QT & Decl::OBJC_TQ_In) Result |= CXObjCDeclQualifier_In;
5968 if (QT & Decl::OBJC_TQ_Inout) Result |= CXObjCDeclQualifier_Inout;
5969 if (QT & Decl::OBJC_TQ_Out) Result |= CXObjCDeclQualifier_Out;
5970 if (QT & Decl::OBJC_TQ_Bycopy) Result |= CXObjCDeclQualifier_Bycopy;
5971 if (QT & Decl::OBJC_TQ_Byref) Result |= CXObjCDeclQualifier_Byref;
5972 if (QT & Decl::OBJC_TQ_Oneway) Result |= CXObjCDeclQualifier_Oneway;
5977 unsigned clang_Cursor_isVariadic(CXCursor C) {
5978 if (!clang_isDeclaration(C.kind))
5981 const Decl *D = getCursorDecl(C);
5982 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
5983 return FD->isVariadic();
5984 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
5985 return MD->isVariadic();
5990 CXSourceRange clang_Cursor_getCommentRange(CXCursor C) {
5991 if (!clang_isDeclaration(C.kind))
5992 return clang_getNullRange();
5994 const Decl *D = getCursorDecl(C);
5995 ASTContext &Context = getCursorContext(C);
5996 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
5998 return clang_getNullRange();
6000 return cxloc::translateSourceRange(Context, RC->getSourceRange());
6003 CXString clang_Cursor_getRawCommentText(CXCursor C) {
6004 if (!clang_isDeclaration(C.kind))
6005 return cxstring::createNull();
6007 const Decl *D = getCursorDecl(C);
6008 ASTContext &Context = getCursorContext(C);
6009 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6010 StringRef RawText = RC ? RC->getRawText(Context.getSourceManager()) :
6013 // Don't duplicate the string because RawText points directly into source
6015 return cxstring::createRef(RawText);
6018 CXString clang_Cursor_getBriefCommentText(CXCursor C) {
6019 if (!clang_isDeclaration(C.kind))
6020 return cxstring::createNull();
6022 const Decl *D = getCursorDecl(C);
6023 const ASTContext &Context = getCursorContext(C);
6024 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6027 StringRef BriefText = RC->getBriefText(Context);
6029 // Don't duplicate the string because RawComment ensures that this memory
6030 // will not go away.
6031 return cxstring::createRef(BriefText);
6034 return cxstring::createNull();
6037 CXComment clang_Cursor_getParsedComment(CXCursor C) {
6038 if (!clang_isDeclaration(C.kind))
6039 return cxcomment::createCXComment(NULL, NULL);
6041 const Decl *D = getCursorDecl(C);
6042 const ASTContext &Context = getCursorContext(C);
6043 const comments::FullComment *FC = Context.getCommentForDecl(D, /*PP=*/ NULL);
6045 return cxcomment::createCXComment(FC, getCursorTU(C));
6048 CXModule clang_Cursor_getModule(CXCursor C) {
6049 if (C.kind == CXCursor_ModuleImportDecl) {
6050 if (const ImportDecl *ImportD =
6051 dyn_cast_or_null<ImportDecl>(getCursorDecl(C)))
6052 return ImportD->getImportedModule();
6058 CXFile clang_Module_getASTFile(CXModule CXMod) {
6061 Module *Mod = static_cast<Module*>(CXMod);
6062 return const_cast<FileEntry *>(Mod->getASTFile());
6065 CXModule clang_Module_getParent(CXModule CXMod) {
6068 Module *Mod = static_cast<Module*>(CXMod);
6072 CXString clang_Module_getName(CXModule CXMod) {
6074 return cxstring::createEmpty();
6075 Module *Mod = static_cast<Module*>(CXMod);
6076 return cxstring::createDup(Mod->Name);
6079 CXString clang_Module_getFullName(CXModule CXMod) {
6081 return cxstring::createEmpty();
6082 Module *Mod = static_cast<Module*>(CXMod);
6083 return cxstring::createDup(Mod->getFullModuleName());
6086 unsigned clang_Module_getNumTopLevelHeaders(CXTranslationUnit TU,
6090 Module *Mod = static_cast<Module*>(CXMod);
6091 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
6092 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
6093 return TopHeaders.size();
6096 CXFile clang_Module_getTopLevelHeader(CXTranslationUnit TU,
6097 CXModule CXMod, unsigned Index) {
6100 Module *Mod = static_cast<Module*>(CXMod);
6101 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
6103 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
6104 if (Index < TopHeaders.size())
6105 return const_cast<FileEntry *>(TopHeaders[Index]);
6110 } // end: extern "C"
6112 //===----------------------------------------------------------------------===//
6113 // C++ AST instrospection.
6114 //===----------------------------------------------------------------------===//
6117 unsigned clang_CXXMethod_isStatic(CXCursor C) {
6118 if (!clang_isDeclaration(C.kind))
6121 const CXXMethodDecl *Method = 0;
6122 const Decl *D = cxcursor::getCursorDecl(C);
6123 if (const FunctionTemplateDecl *FunTmpl =
6124 dyn_cast_or_null<FunctionTemplateDecl>(D))
6125 Method = dyn_cast<CXXMethodDecl>(FunTmpl->getTemplatedDecl());
6127 Method = dyn_cast_or_null<CXXMethodDecl>(D);
6128 return (Method && Method->isStatic()) ? 1 : 0;
6131 unsigned clang_CXXMethod_isVirtual(CXCursor C) {
6132 if (!clang_isDeclaration(C.kind))
6135 const CXXMethodDecl *Method = 0;
6136 const Decl *D = cxcursor::getCursorDecl(C);
6137 if (const FunctionTemplateDecl *FunTmpl =
6138 dyn_cast_or_null<FunctionTemplateDecl>(D))
6139 Method = dyn_cast<CXXMethodDecl>(FunTmpl->getTemplatedDecl());
6141 Method = dyn_cast_or_null<CXXMethodDecl>(D);
6142 return (Method && Method->isVirtual()) ? 1 : 0;
6144 } // end: extern "C"
6146 //===----------------------------------------------------------------------===//
6147 // Attribute introspection.
6148 //===----------------------------------------------------------------------===//
6151 CXType clang_getIBOutletCollectionType(CXCursor C) {
6152 if (C.kind != CXCursor_IBOutletCollectionAttr)
6153 return cxtype::MakeCXType(QualType(), cxcursor::getCursorTU(C));
6155 const IBOutletCollectionAttr *A =
6156 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
6158 return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorTU(C));
6160 } // end: extern "C"
6162 //===----------------------------------------------------------------------===//
6163 // Inspecting memory usage.
6164 //===----------------------------------------------------------------------===//
6166 typedef std::vector<CXTUResourceUsageEntry> MemUsageEntries;
6168 static inline void createCXTUResourceUsageEntry(MemUsageEntries &entries,
6169 enum CXTUResourceUsageKind k,
6170 unsigned long amount) {
6171 CXTUResourceUsageEntry entry = { k, amount };
6172 entries.push_back(entry);
6177 const char *clang_getTUResourceUsageName(CXTUResourceUsageKind kind) {
6178 const char *str = "";
6180 case CXTUResourceUsage_AST:
6181 str = "ASTContext: expressions, declarations, and types";
6183 case CXTUResourceUsage_Identifiers:
6184 str = "ASTContext: identifiers";
6186 case CXTUResourceUsage_Selectors:
6187 str = "ASTContext: selectors";
6189 case CXTUResourceUsage_GlobalCompletionResults:
6190 str = "Code completion: cached global results";
6192 case CXTUResourceUsage_SourceManagerContentCache:
6193 str = "SourceManager: content cache allocator";
6195 case CXTUResourceUsage_AST_SideTables:
6196 str = "ASTContext: side tables";
6198 case CXTUResourceUsage_SourceManager_Membuffer_Malloc:
6199 str = "SourceManager: malloc'ed memory buffers";
6201 case CXTUResourceUsage_SourceManager_Membuffer_MMap:
6202 str = "SourceManager: mmap'ed memory buffers";
6204 case CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc:
6205 str = "ExternalASTSource: malloc'ed memory buffers";
6207 case CXTUResourceUsage_ExternalASTSource_Membuffer_MMap:
6208 str = "ExternalASTSource: mmap'ed memory buffers";
6210 case CXTUResourceUsage_Preprocessor:
6211 str = "Preprocessor: malloc'ed memory";
6213 case CXTUResourceUsage_PreprocessingRecord:
6214 str = "Preprocessor: PreprocessingRecord";
6216 case CXTUResourceUsage_SourceManager_DataStructures:
6217 str = "SourceManager: data structures and tables";
6219 case CXTUResourceUsage_Preprocessor_HeaderSearch:
6220 str = "Preprocessor: header search tables";
6226 CXTUResourceUsage clang_getCXTUResourceUsage(CXTranslationUnit TU) {
6228 CXTUResourceUsage usage = { (void*) 0, 0, 0 };
6232 ASTUnit *astUnit = cxtu::getASTUnit(TU);
6233 OwningPtr<MemUsageEntries> entries(new MemUsageEntries());
6234 ASTContext &astContext = astUnit->getASTContext();
6236 // How much memory is used by AST nodes and types?
6237 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST,
6238 (unsigned long) astContext.getASTAllocatedMemory());
6240 // How much memory is used by identifiers?
6241 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Identifiers,
6242 (unsigned long) astContext.Idents.getAllocator().getTotalMemory());
6244 // How much memory is used for selectors?
6245 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Selectors,
6246 (unsigned long) astContext.Selectors.getTotalMemory());
6248 // How much memory is used by ASTContext's side tables?
6249 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST_SideTables,
6250 (unsigned long) astContext.getSideTableAllocatedMemory());
6252 // How much memory is used for caching global code completion results?
6253 unsigned long completionBytes = 0;
6254 if (GlobalCodeCompletionAllocator *completionAllocator =
6255 astUnit->getCachedCompletionAllocator().getPtr()) {
6256 completionBytes = completionAllocator->getTotalMemory();
6258 createCXTUResourceUsageEntry(*entries,
6259 CXTUResourceUsage_GlobalCompletionResults,
6262 // How much memory is being used by SourceManager's content cache?
6263 createCXTUResourceUsageEntry(*entries,
6264 CXTUResourceUsage_SourceManagerContentCache,
6265 (unsigned long) astContext.getSourceManager().getContentCacheSize());
6267 // How much memory is being used by the MemoryBuffer's in SourceManager?
6268 const SourceManager::MemoryBufferSizes &srcBufs =
6269 astUnit->getSourceManager().getMemoryBufferSizes();
6271 createCXTUResourceUsageEntry(*entries,
6272 CXTUResourceUsage_SourceManager_Membuffer_Malloc,
6273 (unsigned long) srcBufs.malloc_bytes);
6274 createCXTUResourceUsageEntry(*entries,
6275 CXTUResourceUsage_SourceManager_Membuffer_MMap,
6276 (unsigned long) srcBufs.mmap_bytes);
6277 createCXTUResourceUsageEntry(*entries,
6278 CXTUResourceUsage_SourceManager_DataStructures,
6279 (unsigned long) astContext.getSourceManager()
6280 .getDataStructureSizes());
6282 // How much memory is being used by the ExternalASTSource?
6283 if (ExternalASTSource *esrc = astContext.getExternalSource()) {
6284 const ExternalASTSource::MemoryBufferSizes &sizes =
6285 esrc->getMemoryBufferSizes();
6287 createCXTUResourceUsageEntry(*entries,
6288 CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc,
6289 (unsigned long) sizes.malloc_bytes);
6290 createCXTUResourceUsageEntry(*entries,
6291 CXTUResourceUsage_ExternalASTSource_Membuffer_MMap,
6292 (unsigned long) sizes.mmap_bytes);
6295 // How much memory is being used by the Preprocessor?
6296 Preprocessor &pp = astUnit->getPreprocessor();
6297 createCXTUResourceUsageEntry(*entries,
6298 CXTUResourceUsage_Preprocessor,
6299 pp.getTotalMemory());
6301 if (PreprocessingRecord *pRec = pp.getPreprocessingRecord()) {
6302 createCXTUResourceUsageEntry(*entries,
6303 CXTUResourceUsage_PreprocessingRecord,
6304 pRec->getTotalMemory());
6307 createCXTUResourceUsageEntry(*entries,
6308 CXTUResourceUsage_Preprocessor_HeaderSearch,
6309 pp.getHeaderSearchInfo().getTotalMemory());
6311 CXTUResourceUsage usage = { (void*) entries.get(),
6312 (unsigned) entries->size(),
6313 entries->size() ? &(*entries)[0] : 0 };
6318 void clang_disposeCXTUResourceUsage(CXTUResourceUsage usage) {
6320 delete (MemUsageEntries*) usage.data;
6325 void clang::PrintLibclangResourceUsage(CXTranslationUnit TU) {
6326 CXTUResourceUsage Usage = clang_getCXTUResourceUsage(TU);
6327 for (unsigned I = 0; I != Usage.numEntries; ++I)
6328 fprintf(stderr, " %s: %lu\n",
6329 clang_getTUResourceUsageName(Usage.entries[I].kind),
6330 Usage.entries[I].amount);
6332 clang_disposeCXTUResourceUsage(Usage);
6335 //===----------------------------------------------------------------------===//
6336 // Misc. utility functions.
6337 //===----------------------------------------------------------------------===//
6339 /// Default to using an 8 MB stack size on "safety" threads.
6340 static unsigned SafetyStackThreadSize = 8 << 20;
6344 bool RunSafely(llvm::CrashRecoveryContext &CRC,
6345 void (*Fn)(void*), void *UserData,
6348 Size = GetSafetyThreadStackSize();
6350 return CRC.RunSafelyOnThread(Fn, UserData, Size);
6351 return CRC.RunSafely(Fn, UserData);
6354 unsigned GetSafetyThreadStackSize() {
6355 return SafetyStackThreadSize;
6358 void SetSafetyThreadStackSize(unsigned Value) {
6359 SafetyStackThreadSize = Value;
6364 void clang::setThreadBackgroundPriority() {
6365 if (getenv("LIBCLANG_BGPRIO_DISABLE"))
6368 // FIXME: Move to llvm/Support and make it cross-platform.
6370 setpriority(PRIO_DARWIN_THREAD, 0, PRIO_DARWIN_BG);
6374 void cxindex::printDiagsToStderr(ASTUnit *Unit) {
6378 for (ASTUnit::stored_diag_iterator D = Unit->stored_diag_begin(),
6379 DEnd = Unit->stored_diag_end();
6381 CXStoredDiagnostic Diag(*D, Unit->getASTContext().getLangOpts());
6382 CXString Msg = clang_formatDiagnostic(&Diag,
6383 clang_defaultDiagnosticDisplayOptions());
6384 fprintf(stderr, "%s\n", clang_getCString(Msg));
6385 clang_disposeString(Msg);
6387 #ifdef LLVM_ON_WIN32
6388 // On Windows, force a flush, since there may be multiple copies of
6389 // stderr and stdout in the file system, all with different buffers
6390 // but writing to the same device.
6395 MacroInfo *cxindex::getMacroInfo(const IdentifierInfo &II,
6396 SourceLocation MacroDefLoc,
6397 CXTranslationUnit TU){
6398 if (MacroDefLoc.isInvalid() || !TU)
6400 if (!II.hadMacroDefinition())
6403 ASTUnit *Unit = cxtu::getASTUnit(TU);
6404 Preprocessor &PP = Unit->getPreprocessor();
6405 MacroDirective *MD = PP.getMacroDirectiveHistory(&II);
6407 for (MacroDirective::DefInfo
6408 Def = MD->getDefinition(); Def; Def = Def.getPreviousDefinition()) {
6409 if (MacroDefLoc == Def.getMacroInfo()->getDefinitionLoc())
6410 return Def.getMacroInfo();
6417 const MacroInfo *cxindex::getMacroInfo(const MacroDefinition *MacroDef,
6418 CXTranslationUnit TU) {
6419 if (!MacroDef || !TU)
6421 const IdentifierInfo *II = MacroDef->getName();
6425 return getMacroInfo(*II, MacroDef->getLocation(), TU);
6428 MacroDefinition *cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI,
6430 CXTranslationUnit TU) {
6433 if (Tok.isNot(tok::raw_identifier))
6436 if (MI->getNumTokens() == 0)
6438 SourceRange DefRange(MI->getReplacementToken(0).getLocation(),
6439 MI->getDefinitionEndLoc());
6440 ASTUnit *Unit = cxtu::getASTUnit(TU);
6442 // Check that the token is inside the definition and not its argument list.
6443 SourceManager &SM = Unit->getSourceManager();
6444 if (SM.isBeforeInTranslationUnit(Tok.getLocation(), DefRange.getBegin()))
6446 if (SM.isBeforeInTranslationUnit(DefRange.getEnd(), Tok.getLocation()))
6449 Preprocessor &PP = Unit->getPreprocessor();
6450 PreprocessingRecord *PPRec = PP.getPreprocessingRecord();
6454 StringRef Name(Tok.getRawIdentifierData(), Tok.getLength());
6455 IdentifierInfo &II = PP.getIdentifierTable().get(Name);
6456 if (!II.hadMacroDefinition())
6459 // Check that the identifier is not one of the macro arguments.
6460 if (std::find(MI->arg_begin(), MI->arg_end(), &II) != MI->arg_end())
6463 MacroDirective *InnerMD = PP.getMacroDirectiveHistory(&II);
6467 return PPRec->findMacroDefinition(InnerMD->getMacroInfo());
6470 MacroDefinition *cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI,
6472 CXTranslationUnit TU) {
6473 if (Loc.isInvalid() || !MI || !TU)
6476 if (MI->getNumTokens() == 0)
6478 ASTUnit *Unit = cxtu::getASTUnit(TU);
6479 Preprocessor &PP = Unit->getPreprocessor();
6480 if (!PP.getPreprocessingRecord())
6482 Loc = Unit->getSourceManager().getSpellingLoc(Loc);
6484 if (PP.getRawToken(Loc, Tok))
6487 return checkForMacroInMacroDefinition(MI, Tok, TU);
6492 CXString clang_getClangVersion() {
6493 return cxstring::createDup(getClangFullVersion());
6496 } // end: extern "C"
6498 Logger &cxindex::Logger::operator<<(CXTranslationUnit TU) {
6500 if (ASTUnit *Unit = cxtu::getASTUnit(TU)) {
6501 LogOS << '<' << Unit->getMainFileName() << '>';
6502 if (Unit->isMainFileAST())
6503 LogOS << " (" << Unit->getASTFileName() << ')';
6508 LogOS << "<NULL TU>";
6512 Logger &cxindex::Logger::operator<<(const FileEntry *FE) {
6513 *this << FE->getName();
6517 Logger &cxindex::Logger::operator<<(CXCursor cursor) {
6518 CXString cursorName = clang_getCursorDisplayName(cursor);
6519 *this << cursorName << "@" << clang_getCursorLocation(cursor);
6520 clang_disposeString(cursorName);
6524 Logger &cxindex::Logger::operator<<(CXSourceLocation Loc) {
6526 unsigned Line, Column;
6527 clang_getFileLocation(Loc, &File, &Line, &Column, 0);
6528 CXString FileName = clang_getFileName(File);
6529 *this << llvm::format("(%s:%d:%d)", clang_getCString(FileName), Line, Column);
6530 clang_disposeString(FileName);
6534 Logger &cxindex::Logger::operator<<(CXSourceRange range) {
6535 CXSourceLocation BLoc = clang_getRangeStart(range);
6536 CXSourceLocation ELoc = clang_getRangeEnd(range);
6539 unsigned BLine, BColumn;
6540 clang_getFileLocation(BLoc, &BFile, &BLine, &BColumn, 0);
6543 unsigned ELine, EColumn;
6544 clang_getFileLocation(ELoc, &EFile, &ELine, &EColumn, 0);
6546 CXString BFileName = clang_getFileName(BFile);
6547 if (BFile == EFile) {
6548 *this << llvm::format("[%s %d:%d-%d:%d]", clang_getCString(BFileName),
6549 BLine, BColumn, ELine, EColumn);
6551 CXString EFileName = clang_getFileName(EFile);
6552 *this << llvm::format("[%s:%d:%d - ", clang_getCString(BFileName),
6554 << llvm::format("%s:%d:%d]", clang_getCString(EFileName),
6556 clang_disposeString(EFileName);
6558 clang_disposeString(BFileName);
6562 Logger &cxindex::Logger::operator<<(CXString Str) {
6563 *this << clang_getCString(Str);
6567 Logger &cxindex::Logger::operator<<(const llvm::format_object_base &Fmt) {
6572 cxindex::Logger::~Logger() {
6575 llvm::sys::ScopedLock L(EnableMultithreadingMutex);
6577 static llvm::TimeRecord sBeginTR = llvm::TimeRecord::getCurrentTime();
6579 raw_ostream &OS = llvm::errs();
6580 OS << "[libclang:" << Name << ':';
6582 // FIXME: Portability.
6583 #if HAVE_PTHREAD_H && __APPLE__
6584 mach_port_t tid = pthread_mach_thread_np(pthread_self());
6588 llvm::TimeRecord TR = llvm::TimeRecord::getCurrentTime();
6589 OS << llvm::format("%7.4f] ", TR.getWallTime() - sBeginTR.getWallTime());
6590 OS << Msg.str() << '\n';
6593 llvm::sys::PrintStackTrace(stderr);
6594 OS << "--------------------------------------------------\n";