1 //===- CIndex.cpp - Clang-C Source Indexing Library -----------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the main API hooks in the Clang-C Source Indexing
13 //===----------------------------------------------------------------------===//
16 #include "CIndexDiagnostic.h"
19 #include "CXSourceLocation.h"
21 #include "CXTranslationUnit.h"
23 #include "CursorVisitor.h"
24 #include "clang/AST/Attr.h"
25 #include "clang/AST/StmtVisitor.h"
26 #include "clang/Basic/Diagnostic.h"
27 #include "clang/Basic/DiagnosticCategories.h"
28 #include "clang/Basic/DiagnosticIDs.h"
29 #include "clang/Basic/Version.h"
30 #include "clang/Frontend/ASTUnit.h"
31 #include "clang/Frontend/CompilerInstance.h"
32 #include "clang/Frontend/FrontendDiagnostic.h"
33 #include "clang/Index/CodegenNameGenerator.h"
34 #include "clang/Index/CommentToXML.h"
35 #include "clang/Lex/HeaderSearch.h"
36 #include "clang/Lex/Lexer.h"
37 #include "clang/Lex/PreprocessingRecord.h"
38 #include "clang/Lex/Preprocessor.h"
39 #include "clang/Serialization/SerializationDiagnostic.h"
40 #include "llvm/ADT/Optional.h"
41 #include "llvm/ADT/STLExtras.h"
42 #include "llvm/ADT/StringSwitch.h"
43 #include "llvm/Config/llvm-config.h"
44 #include "llvm/Support/Compiler.h"
45 #include "llvm/Support/CrashRecoveryContext.h"
46 #include "llvm/Support/Format.h"
47 #include "llvm/Support/ManagedStatic.h"
48 #include "llvm/Support/MemoryBuffer.h"
49 #include "llvm/Support/Mutex.h"
50 #include "llvm/Support/Program.h"
51 #include "llvm/Support/SaveAndRestore.h"
52 #include "llvm/Support/Signals.h"
53 #include "llvm/Support/TargetSelect.h"
54 #include "llvm/Support/Threading.h"
55 #include "llvm/Support/Timer.h"
56 #include "llvm/Support/raw_ostream.h"
58 #if LLVM_ENABLE_THREADS != 0 && defined(__APPLE__)
59 #define USE_DARWIN_THREADS
62 #ifdef USE_DARWIN_THREADS
66 using namespace clang;
67 using namespace clang::cxcursor;
68 using namespace clang::cxtu;
69 using namespace clang::cxindex;
71 CXTranslationUnit cxtu::MakeCXTranslationUnit(CIndexer *CIdx, ASTUnit *AU) {
75 CXTranslationUnit D = new CXTranslationUnitImpl();
78 D->StringPool = new cxstring::CXStringPool();
79 D->Diagnostics = nullptr;
80 D->OverridenCursorsPool = createOverridenCXCursorsPool();
81 D->CommentToXML = nullptr;
85 bool cxtu::isASTReadError(ASTUnit *AU) {
86 for (ASTUnit::stored_diag_iterator D = AU->stored_diag_begin(),
87 DEnd = AU->stored_diag_end();
89 if (D->getLevel() >= DiagnosticsEngine::Error &&
90 DiagnosticIDs::getCategoryNumberForDiag(D->getID()) ==
91 diag::DiagCat_AST_Deserialization_Issue)
97 cxtu::CXTUOwner::~CXTUOwner() {
99 clang_disposeTranslationUnit(TU);
102 /// \brief Compare two source ranges to determine their relative position in
103 /// the translation unit.
104 static RangeComparisonResult RangeCompare(SourceManager &SM,
107 assert(R1.isValid() && "First range is invalid?");
108 assert(R2.isValid() && "Second range is invalid?");
109 if (R1.getEnd() != R2.getBegin() &&
110 SM.isBeforeInTranslationUnit(R1.getEnd(), R2.getBegin()))
112 if (R2.getEnd() != R1.getBegin() &&
113 SM.isBeforeInTranslationUnit(R2.getEnd(), R1.getBegin()))
118 /// \brief Determine if a source location falls within, before, or after a
119 /// a given source range.
120 static RangeComparisonResult LocationCompare(SourceManager &SM,
121 SourceLocation L, SourceRange R) {
122 assert(R.isValid() && "First range is invalid?");
123 assert(L.isValid() && "Second range is invalid?");
124 if (L == R.getBegin() || L == R.getEnd())
126 if (SM.isBeforeInTranslationUnit(L, R.getBegin()))
128 if (SM.isBeforeInTranslationUnit(R.getEnd(), L))
133 /// \brief Translate a Clang source range into a CIndex source range.
135 /// Clang internally represents ranges where the end location points to the
136 /// start of the token at the end. However, for external clients it is more
137 /// useful to have a CXSourceRange be a proper half-open interval. This routine
138 /// does the appropriate translation.
139 CXSourceRange cxloc::translateSourceRange(const SourceManager &SM,
140 const LangOptions &LangOpts,
141 const CharSourceRange &R) {
142 // We want the last character in this location, so we will adjust the
143 // location accordingly.
144 SourceLocation EndLoc = R.getEnd();
145 if (EndLoc.isValid() && EndLoc.isMacroID() && !SM.isMacroArgExpansion(EndLoc))
146 EndLoc = SM.getExpansionRange(EndLoc).second;
147 if (R.isTokenRange() && EndLoc.isValid()) {
148 unsigned Length = Lexer::MeasureTokenLength(SM.getSpellingLoc(EndLoc),
150 EndLoc = EndLoc.getLocWithOffset(Length);
153 CXSourceRange Result = {
155 R.getBegin().getRawEncoding(),
156 EndLoc.getRawEncoding()
161 //===----------------------------------------------------------------------===//
163 //===----------------------------------------------------------------------===//
165 static SourceRange getRawCursorExtent(CXCursor C);
166 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr);
169 RangeComparisonResult CursorVisitor::CompareRegionOfInterest(SourceRange R) {
170 return RangeCompare(AU->getSourceManager(), R, RegionOfInterest);
173 /// \brief Visit the given cursor and, if requested by the visitor,
176 /// \param Cursor the cursor to visit.
178 /// \param CheckedRegionOfInterest if true, then the caller already checked
179 /// that this cursor is within the region of interest.
181 /// \returns true if the visitation should be aborted, false if it
183 bool CursorVisitor::Visit(CXCursor Cursor, bool CheckedRegionOfInterest) {
184 if (clang_isInvalid(Cursor.kind))
187 if (clang_isDeclaration(Cursor.kind)) {
188 const Decl *D = getCursorDecl(Cursor);
190 assert(0 && "Invalid declaration cursor");
191 return true; // abort.
194 // Ignore implicit declarations, unless it's an objc method because
195 // currently we should report implicit methods for properties when indexing.
196 if (D->isImplicit() && !isa<ObjCMethodDecl>(D))
200 // If we have a range of interest, and this cursor doesn't intersect with it,
202 if (RegionOfInterest.isValid() && !CheckedRegionOfInterest) {
203 SourceRange Range = getRawCursorExtent(Cursor);
204 if (Range.isInvalid() || CompareRegionOfInterest(Range))
208 switch (Visitor(Cursor, Parent, ClientData)) {
209 case CXChildVisit_Break:
212 case CXChildVisit_Continue:
215 case CXChildVisit_Recurse: {
216 bool ret = VisitChildren(Cursor);
217 if (PostChildrenVisitor)
218 if (PostChildrenVisitor(Cursor, ClientData))
224 llvm_unreachable("Invalid CXChildVisitResult!");
227 static bool visitPreprocessedEntitiesInRange(SourceRange R,
228 PreprocessingRecord &PPRec,
229 CursorVisitor &Visitor) {
230 SourceManager &SM = Visitor.getASTUnit()->getSourceManager();
233 if (!Visitor.shouldVisitIncludedEntities()) {
234 // If the begin/end of the range lie in the same FileID, do the optimization
235 // where we skip preprocessed entities that do not come from the same FileID.
236 FID = SM.getFileID(SM.getFileLoc(R.getBegin()));
237 if (FID != SM.getFileID(SM.getFileLoc(R.getEnd())))
241 const auto &Entities = PPRec.getPreprocessedEntitiesInRange(R);
242 return Visitor.visitPreprocessedEntities(Entities.begin(), Entities.end(),
246 bool CursorVisitor::visitFileRegion() {
247 if (RegionOfInterest.isInvalid())
250 ASTUnit *Unit = cxtu::getASTUnit(TU);
251 SourceManager &SM = Unit->getSourceManager();
253 std::pair<FileID, unsigned>
254 Begin = SM.getDecomposedLoc(SM.getFileLoc(RegionOfInterest.getBegin())),
255 End = SM.getDecomposedLoc(SM.getFileLoc(RegionOfInterest.getEnd()));
257 if (End.first != Begin.first) {
258 // If the end does not reside in the same file, try to recover by
259 // picking the end of the file of begin location.
260 End.first = Begin.first;
261 End.second = SM.getFileIDSize(Begin.first);
264 assert(Begin.first == End.first);
265 if (Begin.second > End.second)
268 FileID File = Begin.first;
269 unsigned Offset = Begin.second;
270 unsigned Length = End.second - Begin.second;
272 if (!VisitDeclsOnly && !VisitPreprocessorLast)
273 if (visitPreprocessedEntitiesInRegion())
274 return true; // visitation break.
276 if (visitDeclsFromFileRegion(File, Offset, Length))
277 return true; // visitation break.
279 if (!VisitDeclsOnly && VisitPreprocessorLast)
280 return visitPreprocessedEntitiesInRegion();
285 static bool isInLexicalContext(Decl *D, DeclContext *DC) {
289 for (DeclContext *DeclDC = D->getLexicalDeclContext();
290 DeclDC; DeclDC = DeclDC->getLexicalParent()) {
297 bool CursorVisitor::visitDeclsFromFileRegion(FileID File,
298 unsigned Offset, unsigned Length) {
299 ASTUnit *Unit = cxtu::getASTUnit(TU);
300 SourceManager &SM = Unit->getSourceManager();
301 SourceRange Range = RegionOfInterest;
303 SmallVector<Decl *, 16> Decls;
304 Unit->findFileRegionDecls(File, Offset, Length, Decls);
306 // If we didn't find any file level decls for the file, try looking at the
307 // file that it was included from.
308 while (Decls.empty() || Decls.front()->isTopLevelDeclInObjCContainer()) {
309 bool Invalid = false;
310 const SrcMgr::SLocEntry &SLEntry = SM.getSLocEntry(File, &Invalid);
314 SourceLocation Outer;
315 if (SLEntry.isFile())
316 Outer = SLEntry.getFile().getIncludeLoc();
318 Outer = SLEntry.getExpansion().getExpansionLocStart();
319 if (Outer.isInvalid())
322 std::tie(File, Offset) = SM.getDecomposedExpansionLoc(Outer);
324 Unit->findFileRegionDecls(File, Offset, Length, Decls);
327 assert(!Decls.empty());
329 bool VisitedAtLeastOnce = false;
330 DeclContext *CurDC = nullptr;
331 SmallVectorImpl<Decl *>::iterator DIt = Decls.begin();
332 for (SmallVectorImpl<Decl *>::iterator DE = Decls.end(); DIt != DE; ++DIt) {
334 if (D->getSourceRange().isInvalid())
337 if (isInLexicalContext(D, CurDC))
340 CurDC = dyn_cast<DeclContext>(D);
342 if (TagDecl *TD = dyn_cast<TagDecl>(D))
343 if (!TD->isFreeStanding())
346 RangeComparisonResult CompRes = RangeCompare(SM, D->getSourceRange(),Range);
347 if (CompRes == RangeBefore)
349 if (CompRes == RangeAfter)
352 assert(CompRes == RangeOverlap);
353 VisitedAtLeastOnce = true;
355 if (isa<ObjCContainerDecl>(D)) {
356 FileDI_current = &DIt;
359 FileDI_current = nullptr;
362 if (Visit(MakeCXCursor(D, TU, Range), /*CheckedRegionOfInterest=*/true))
363 return true; // visitation break.
366 if (VisitedAtLeastOnce)
369 // No Decls overlapped with the range. Move up the lexical context until there
370 // is a context that contains the range or we reach the translation unit
372 DeclContext *DC = DIt == Decls.begin() ? (*DIt)->getLexicalDeclContext()
373 : (*(DIt-1))->getLexicalDeclContext();
375 while (DC && !DC->isTranslationUnit()) {
376 Decl *D = cast<Decl>(DC);
377 SourceRange CurDeclRange = D->getSourceRange();
378 if (CurDeclRange.isInvalid())
381 if (RangeCompare(SM, CurDeclRange, Range) == RangeOverlap) {
382 if (Visit(MakeCXCursor(D, TU, Range), /*CheckedRegionOfInterest=*/true))
383 return true; // visitation break.
386 DC = D->getLexicalDeclContext();
392 bool CursorVisitor::visitPreprocessedEntitiesInRegion() {
393 if (!AU->getPreprocessor().getPreprocessingRecord())
396 PreprocessingRecord &PPRec
397 = *AU->getPreprocessor().getPreprocessingRecord();
398 SourceManager &SM = AU->getSourceManager();
400 if (RegionOfInterest.isValid()) {
401 SourceRange MappedRange = AU->mapRangeToPreamble(RegionOfInterest);
402 SourceLocation B = MappedRange.getBegin();
403 SourceLocation E = MappedRange.getEnd();
405 if (AU->isInPreambleFileID(B)) {
406 if (SM.isLoadedSourceLocation(E))
407 return visitPreprocessedEntitiesInRange(SourceRange(B, E),
410 // Beginning of range lies in the preamble but it also extends beyond
411 // it into the main file. Split the range into 2 parts, one covering
412 // the preamble and another covering the main file. This allows subsequent
413 // calls to visitPreprocessedEntitiesInRange to accept a source range that
414 // lies in the same FileID, allowing it to skip preprocessed entities that
415 // do not come from the same FileID.
417 visitPreprocessedEntitiesInRange(
418 SourceRange(B, AU->getEndOfPreambleFileID()),
420 if (breaked) return true;
421 return visitPreprocessedEntitiesInRange(
422 SourceRange(AU->getStartOfMainFileID(), E),
426 return visitPreprocessedEntitiesInRange(SourceRange(B, E), PPRec, *this);
430 = !AU->isMainFileAST() && AU->getOnlyLocalDecls();
433 return visitPreprocessedEntities(PPRec.local_begin(), PPRec.local_end(),
436 return visitPreprocessedEntities(PPRec.begin(), PPRec.end(), PPRec);
439 template<typename InputIterator>
440 bool CursorVisitor::visitPreprocessedEntities(InputIterator First,
442 PreprocessingRecord &PPRec,
444 for (; First != Last; ++First) {
445 if (!FID.isInvalid() && !PPRec.isEntityInFileID(First, FID))
448 PreprocessedEntity *PPE = *First;
452 if (MacroExpansion *ME = dyn_cast<MacroExpansion>(PPE)) {
453 if (Visit(MakeMacroExpansionCursor(ME, TU)))
459 if (MacroDefinitionRecord *MD = dyn_cast<MacroDefinitionRecord>(PPE)) {
460 if (Visit(MakeMacroDefinitionCursor(MD, TU)))
466 if (InclusionDirective *ID = dyn_cast<InclusionDirective>(PPE)) {
467 if (Visit(MakeInclusionDirectiveCursor(ID, TU)))
477 /// \brief Visit the children of the given cursor.
479 /// \returns true if the visitation should be aborted, false if it
481 bool CursorVisitor::VisitChildren(CXCursor Cursor) {
482 if (clang_isReference(Cursor.kind) &&
483 Cursor.kind != CXCursor_CXXBaseSpecifier) {
484 // By definition, references have no children.
488 // Set the Parent field to Cursor, then back to its old value once we're
490 SetParentRAII SetParent(Parent, StmtParent, Cursor);
492 if (clang_isDeclaration(Cursor.kind)) {
493 Decl *D = const_cast<Decl *>(getCursorDecl(Cursor));
497 return VisitAttributes(D) || Visit(D);
500 if (clang_isStatement(Cursor.kind)) {
501 if (const Stmt *S = getCursorStmt(Cursor))
507 if (clang_isExpression(Cursor.kind)) {
508 if (const Expr *E = getCursorExpr(Cursor))
514 if (clang_isTranslationUnit(Cursor.kind)) {
515 CXTranslationUnit TU = getCursorTU(Cursor);
516 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
518 int VisitOrder[2] = { VisitPreprocessorLast, !VisitPreprocessorLast };
519 for (unsigned I = 0; I != 2; ++I) {
521 if (!CXXUnit->isMainFileAST() && CXXUnit->getOnlyLocalDecls() &&
522 RegionOfInterest.isInvalid()) {
523 for (ASTUnit::top_level_iterator TL = CXXUnit->top_level_begin(),
524 TLEnd = CXXUnit->top_level_end();
526 const Optional<bool> V = handleDeclForVisitation(*TL);
531 } else if (VisitDeclContext(
532 CXXUnit->getASTContext().getTranslationUnitDecl()))
537 // Walk the preprocessing record.
538 if (CXXUnit->getPreprocessor().getPreprocessingRecord())
539 visitPreprocessedEntitiesInRegion();
545 if (Cursor.kind == CXCursor_CXXBaseSpecifier) {
546 if (const CXXBaseSpecifier *Base = getCursorCXXBaseSpecifier(Cursor)) {
547 if (TypeSourceInfo *BaseTSInfo = Base->getTypeSourceInfo()) {
548 return Visit(BaseTSInfo->getTypeLoc());
553 if (Cursor.kind == CXCursor_IBOutletCollectionAttr) {
554 const IBOutletCollectionAttr *A =
555 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(Cursor));
556 if (const ObjCObjectType *ObjT = A->getInterface()->getAs<ObjCObjectType>())
557 return Visit(cxcursor::MakeCursorObjCClassRef(
558 ObjT->getInterface(),
559 A->getInterfaceLoc()->getTypeLoc().getLocStart(), TU));
562 // If pointing inside a macro definition, check if the token is an identifier
563 // that was ever defined as a macro. In such a case, create a "pseudo" macro
564 // expansion cursor for that token.
565 SourceLocation BeginLoc = RegionOfInterest.getBegin();
566 if (Cursor.kind == CXCursor_MacroDefinition &&
567 BeginLoc == RegionOfInterest.getEnd()) {
568 SourceLocation Loc = AU->mapLocationToPreamble(BeginLoc);
569 const MacroInfo *MI =
570 getMacroInfo(cxcursor::getCursorMacroDefinition(Cursor), TU);
571 if (MacroDefinitionRecord *MacroDef =
572 checkForMacroInMacroDefinition(MI, Loc, TU))
573 return Visit(cxcursor::MakeMacroExpansionCursor(MacroDef, BeginLoc, TU));
576 // Nothing to visit at the moment.
580 bool CursorVisitor::VisitBlockDecl(BlockDecl *B) {
581 if (TypeSourceInfo *TSInfo = B->getSignatureAsWritten())
582 if (Visit(TSInfo->getTypeLoc()))
585 if (Stmt *Body = B->getBody())
586 return Visit(MakeCXCursor(Body, StmtParent, TU, RegionOfInterest));
591 Optional<bool> CursorVisitor::shouldVisitCursor(CXCursor Cursor) {
592 if (RegionOfInterest.isValid()) {
593 SourceRange Range = getFullCursorExtent(Cursor, AU->getSourceManager());
594 if (Range.isInvalid())
597 switch (CompareRegionOfInterest(Range)) {
599 // This declaration comes before the region of interest; skip it.
603 // This declaration comes after the region of interest; we're done.
607 // This declaration overlaps the region of interest; visit it.
614 bool CursorVisitor::VisitDeclContext(DeclContext *DC) {
615 DeclContext::decl_iterator I = DC->decls_begin(), E = DC->decls_end();
617 // FIXME: Eventually remove. This part of a hack to support proper
618 // iteration over all Decls contained lexically within an ObjC container.
619 SaveAndRestore<DeclContext::decl_iterator*> DI_saved(DI_current, &I);
620 SaveAndRestore<DeclContext::decl_iterator> DE_saved(DE_current, E);
622 for ( ; I != E; ++I) {
624 if (D->getLexicalDeclContext() != DC)
626 const Optional<bool> V = handleDeclForVisitation(D);
634 Optional<bool> CursorVisitor::handleDeclForVisitation(const Decl *D) {
635 CXCursor Cursor = MakeCXCursor(D, TU, RegionOfInterest);
637 // Ignore synthesized ivars here, otherwise if we have something like:
638 // @synthesize prop = _prop;
639 // and '_prop' is not declared, we will encounter a '_prop' ivar before
640 // encountering the 'prop' synthesize declaration and we will think that
641 // we passed the region-of-interest.
642 if (auto *ivarD = dyn_cast<ObjCIvarDecl>(D)) {
643 if (ivarD->getSynthesize())
647 // FIXME: ObjCClassRef/ObjCProtocolRef for forward class/protocol
648 // declarations is a mismatch with the compiler semantics.
649 if (Cursor.kind == CXCursor_ObjCInterfaceDecl) {
650 auto *ID = cast<ObjCInterfaceDecl>(D);
651 if (!ID->isThisDeclarationADefinition())
652 Cursor = MakeCursorObjCClassRef(ID, ID->getLocation(), TU);
654 } else if (Cursor.kind == CXCursor_ObjCProtocolDecl) {
655 auto *PD = cast<ObjCProtocolDecl>(D);
656 if (!PD->isThisDeclarationADefinition())
657 Cursor = MakeCursorObjCProtocolRef(PD, PD->getLocation(), TU);
660 const Optional<bool> V = shouldVisitCursor(Cursor);
665 if (Visit(Cursor, true))
670 bool CursorVisitor::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
671 llvm_unreachable("Translation units are visited directly by Visit()");
674 bool CursorVisitor::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) {
675 if (VisitTemplateParameters(D->getTemplateParameters()))
678 return Visit(MakeCXCursor(D->getTemplatedDecl(), TU, RegionOfInterest));
681 bool CursorVisitor::VisitTypeAliasDecl(TypeAliasDecl *D) {
682 if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
683 return Visit(TSInfo->getTypeLoc());
688 bool CursorVisitor::VisitTypedefDecl(TypedefDecl *D) {
689 if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
690 return Visit(TSInfo->getTypeLoc());
695 bool CursorVisitor::VisitTagDecl(TagDecl *D) {
696 return VisitDeclContext(D);
699 bool CursorVisitor::VisitClassTemplateSpecializationDecl(
700 ClassTemplateSpecializationDecl *D) {
701 bool ShouldVisitBody = false;
702 switch (D->getSpecializationKind()) {
704 case TSK_ImplicitInstantiation:
708 case TSK_ExplicitInstantiationDeclaration:
709 case TSK_ExplicitInstantiationDefinition:
712 case TSK_ExplicitSpecialization:
713 ShouldVisitBody = true;
717 // Visit the template arguments used in the specialization.
718 if (TypeSourceInfo *SpecType = D->getTypeAsWritten()) {
719 TypeLoc TL = SpecType->getTypeLoc();
720 if (TemplateSpecializationTypeLoc TSTLoc =
721 TL.getAs<TemplateSpecializationTypeLoc>()) {
722 for (unsigned I = 0, N = TSTLoc.getNumArgs(); I != N; ++I)
723 if (VisitTemplateArgumentLoc(TSTLoc.getArgLoc(I)))
728 return ShouldVisitBody && VisitCXXRecordDecl(D);
731 bool CursorVisitor::VisitClassTemplatePartialSpecializationDecl(
732 ClassTemplatePartialSpecializationDecl *D) {
733 // FIXME: Visit the "outer" template parameter lists on the TagDecl
734 // before visiting these template parameters.
735 if (VisitTemplateParameters(D->getTemplateParameters()))
738 // Visit the partial specialization arguments.
739 const ASTTemplateArgumentListInfo *Info = D->getTemplateArgsAsWritten();
740 const TemplateArgumentLoc *TemplateArgs = Info->getTemplateArgs();
741 for (unsigned I = 0, N = Info->NumTemplateArgs; I != N; ++I)
742 if (VisitTemplateArgumentLoc(TemplateArgs[I]))
745 return VisitCXXRecordDecl(D);
748 bool CursorVisitor::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
749 // Visit the default argument.
750 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
751 if (TypeSourceInfo *DefArg = D->getDefaultArgumentInfo())
752 if (Visit(DefArg->getTypeLoc()))
758 bool CursorVisitor::VisitEnumConstantDecl(EnumConstantDecl *D) {
759 if (Expr *Init = D->getInitExpr())
760 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
764 bool CursorVisitor::VisitDeclaratorDecl(DeclaratorDecl *DD) {
765 unsigned NumParamList = DD->getNumTemplateParameterLists();
766 for (unsigned i = 0; i < NumParamList; i++) {
767 TemplateParameterList* Params = DD->getTemplateParameterList(i);
768 if (VisitTemplateParameters(Params))
772 if (TypeSourceInfo *TSInfo = DD->getTypeSourceInfo())
773 if (Visit(TSInfo->getTypeLoc()))
776 // Visit the nested-name-specifier, if present.
777 if (NestedNameSpecifierLoc QualifierLoc = DD->getQualifierLoc())
778 if (VisitNestedNameSpecifierLoc(QualifierLoc))
784 /// \brief Compare two base or member initializers based on their source order.
785 static int CompareCXXCtorInitializers(CXXCtorInitializer *const *X,
786 CXXCtorInitializer *const *Y) {
787 return (*X)->getSourceOrder() - (*Y)->getSourceOrder();
790 bool CursorVisitor::VisitFunctionDecl(FunctionDecl *ND) {
791 unsigned NumParamList = ND->getNumTemplateParameterLists();
792 for (unsigned i = 0; i < NumParamList; i++) {
793 TemplateParameterList* Params = ND->getTemplateParameterList(i);
794 if (VisitTemplateParameters(Params))
798 if (TypeSourceInfo *TSInfo = ND->getTypeSourceInfo()) {
799 // Visit the function declaration's syntactic components in the order
800 // written. This requires a bit of work.
801 TypeLoc TL = TSInfo->getTypeLoc().IgnoreParens();
802 FunctionTypeLoc FTL = TL.getAs<FunctionTypeLoc>();
804 // If we have a function declared directly (without the use of a typedef),
805 // visit just the return type. Otherwise, just visit the function's type
807 if ((FTL && !isa<CXXConversionDecl>(ND) && Visit(FTL.getReturnLoc())) ||
811 // Visit the nested-name-specifier, if present.
812 if (NestedNameSpecifierLoc QualifierLoc = ND->getQualifierLoc())
813 if (VisitNestedNameSpecifierLoc(QualifierLoc))
816 // Visit the declaration name.
817 if (!isa<CXXDestructorDecl>(ND))
818 if (VisitDeclarationNameInfo(ND->getNameInfo()))
821 // FIXME: Visit explicitly-specified template arguments!
823 // Visit the function parameters, if we have a function type.
824 if (FTL && VisitFunctionTypeLoc(FTL, true))
827 // FIXME: Attributes?
830 if (ND->doesThisDeclarationHaveABody() && !ND->isLateTemplateParsed()) {
831 if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(ND)) {
832 // Find the initializers that were written in the source.
833 SmallVector<CXXCtorInitializer *, 4> WrittenInits;
834 for (auto *I : Constructor->inits()) {
838 WrittenInits.push_back(I);
841 // Sort the initializers in source order
842 llvm::array_pod_sort(WrittenInits.begin(), WrittenInits.end(),
843 &CompareCXXCtorInitializers);
845 // Visit the initializers in source order
846 for (unsigned I = 0, N = WrittenInits.size(); I != N; ++I) {
847 CXXCtorInitializer *Init = WrittenInits[I];
848 if (Init->isAnyMemberInitializer()) {
849 if (Visit(MakeCursorMemberRef(Init->getAnyMember(),
850 Init->getMemberLocation(), TU)))
852 } else if (TypeSourceInfo *TInfo = Init->getTypeSourceInfo()) {
853 if (Visit(TInfo->getTypeLoc()))
857 // Visit the initializer value.
858 if (Expr *Initializer = Init->getInit())
859 if (Visit(MakeCXCursor(Initializer, ND, TU, RegionOfInterest)))
864 if (Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest)))
871 bool CursorVisitor::VisitFieldDecl(FieldDecl *D) {
872 if (VisitDeclaratorDecl(D))
875 if (Expr *BitWidth = D->getBitWidth())
876 return Visit(MakeCXCursor(BitWidth, StmtParent, TU, RegionOfInterest));
881 bool CursorVisitor::VisitVarDecl(VarDecl *D) {
882 if (VisitDeclaratorDecl(D))
885 if (Expr *Init = D->getInit())
886 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
891 bool CursorVisitor::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
892 if (VisitDeclaratorDecl(D))
895 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
896 if (Expr *DefArg = D->getDefaultArgument())
897 return Visit(MakeCXCursor(DefArg, StmtParent, TU, RegionOfInterest));
902 bool CursorVisitor::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
903 // FIXME: Visit the "outer" template parameter lists on the FunctionDecl
904 // before visiting these template parameters.
905 if (VisitTemplateParameters(D->getTemplateParameters()))
908 return VisitFunctionDecl(D->getTemplatedDecl());
911 bool CursorVisitor::VisitClassTemplateDecl(ClassTemplateDecl *D) {
912 // FIXME: Visit the "outer" template parameter lists on the TagDecl
913 // before visiting these template parameters.
914 if (VisitTemplateParameters(D->getTemplateParameters()))
917 return VisitCXXRecordDecl(D->getTemplatedDecl());
920 bool CursorVisitor::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
921 if (VisitTemplateParameters(D->getTemplateParameters()))
924 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited() &&
925 VisitTemplateArgumentLoc(D->getDefaultArgument()))
931 bool CursorVisitor::VisitObjCTypeParamDecl(ObjCTypeParamDecl *D) {
932 // Visit the bound, if it's explicit.
933 if (D->hasExplicitBound()) {
934 if (auto TInfo = D->getTypeSourceInfo()) {
935 if (Visit(TInfo->getTypeLoc()))
943 bool CursorVisitor::VisitObjCMethodDecl(ObjCMethodDecl *ND) {
944 if (TypeSourceInfo *TSInfo = ND->getReturnTypeSourceInfo())
945 if (Visit(TSInfo->getTypeLoc()))
948 for (const auto *P : ND->parameters()) {
949 if (Visit(MakeCXCursor(P, TU, RegionOfInterest)))
953 return ND->isThisDeclarationADefinition() &&
954 Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest));
957 template <typename DeclIt>
958 static void addRangedDeclsInContainer(DeclIt *DI_current, DeclIt DE_current,
959 SourceManager &SM, SourceLocation EndLoc,
960 SmallVectorImpl<Decl *> &Decls) {
961 DeclIt next = *DI_current;
962 while (++next != DE_current) {
963 Decl *D_next = *next;
966 SourceLocation L = D_next->getLocStart();
969 if (SM.isBeforeInTranslationUnit(L, EndLoc)) {
971 Decls.push_back(D_next);
978 bool CursorVisitor::VisitObjCContainerDecl(ObjCContainerDecl *D) {
979 // FIXME: Eventually convert back to just 'VisitDeclContext()'. Essentially
980 // an @implementation can lexically contain Decls that are not properly
981 // nested in the AST. When we identify such cases, we need to retrofit
982 // this nesting here.
983 if (!DI_current && !FileDI_current)
984 return VisitDeclContext(D);
986 // Scan the Decls that immediately come after the container
987 // in the current DeclContext. If any fall within the
988 // container's lexical region, stash them into a vector
989 // for later processing.
990 SmallVector<Decl *, 24> DeclsInContainer;
991 SourceLocation EndLoc = D->getSourceRange().getEnd();
992 SourceManager &SM = AU->getSourceManager();
993 if (EndLoc.isValid()) {
995 addRangedDeclsInContainer(DI_current, DE_current, SM, EndLoc,
998 addRangedDeclsInContainer(FileDI_current, FileDE_current, SM, EndLoc,
1004 if (DeclsInContainer.empty())
1005 return VisitDeclContext(D);
1007 // Get all the Decls in the DeclContext, and sort them with the
1008 // additional ones we've collected. Then visit them.
1009 for (auto *SubDecl : D->decls()) {
1010 if (!SubDecl || SubDecl->getLexicalDeclContext() != D ||
1011 SubDecl->getLocStart().isInvalid())
1013 DeclsInContainer.push_back(SubDecl);
1016 // Now sort the Decls so that they appear in lexical order.
1017 std::sort(DeclsInContainer.begin(), DeclsInContainer.end(),
1018 [&SM](Decl *A, Decl *B) {
1019 SourceLocation L_A = A->getLocStart();
1020 SourceLocation L_B = B->getLocStart();
1021 assert(L_A.isValid() && L_B.isValid());
1022 return SM.isBeforeInTranslationUnit(L_A, L_B);
1025 // Now visit the decls.
1026 for (SmallVectorImpl<Decl*>::iterator I = DeclsInContainer.begin(),
1027 E = DeclsInContainer.end(); I != E; ++I) {
1028 CXCursor Cursor = MakeCXCursor(*I, TU, RegionOfInterest);
1029 const Optional<bool> &V = shouldVisitCursor(Cursor);
1034 if (Visit(Cursor, true))
1040 bool CursorVisitor::VisitObjCCategoryDecl(ObjCCategoryDecl *ND) {
1041 if (Visit(MakeCursorObjCClassRef(ND->getClassInterface(), ND->getLocation(),
1045 if (VisitObjCTypeParamList(ND->getTypeParamList()))
1048 ObjCCategoryDecl::protocol_loc_iterator PL = ND->protocol_loc_begin();
1049 for (ObjCCategoryDecl::protocol_iterator I = ND->protocol_begin(),
1050 E = ND->protocol_end(); I != E; ++I, ++PL)
1051 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1054 return VisitObjCContainerDecl(ND);
1057 bool CursorVisitor::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
1058 if (!PID->isThisDeclarationADefinition())
1059 return Visit(MakeCursorObjCProtocolRef(PID, PID->getLocation(), TU));
1061 ObjCProtocolDecl::protocol_loc_iterator PL = PID->protocol_loc_begin();
1062 for (ObjCProtocolDecl::protocol_iterator I = PID->protocol_begin(),
1063 E = PID->protocol_end(); I != E; ++I, ++PL)
1064 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1067 return VisitObjCContainerDecl(PID);
1070 bool CursorVisitor::VisitObjCPropertyDecl(ObjCPropertyDecl *PD) {
1071 if (PD->getTypeSourceInfo() && Visit(PD->getTypeSourceInfo()->getTypeLoc()))
1074 // FIXME: This implements a workaround with @property declarations also being
1075 // installed in the DeclContext for the @interface. Eventually this code
1076 // should be removed.
1077 ObjCCategoryDecl *CDecl = dyn_cast<ObjCCategoryDecl>(PD->getDeclContext());
1078 if (!CDecl || !CDecl->IsClassExtension())
1081 ObjCInterfaceDecl *ID = CDecl->getClassInterface();
1085 IdentifierInfo *PropertyId = PD->getIdentifier();
1086 ObjCPropertyDecl *prevDecl =
1087 ObjCPropertyDecl::findPropertyDecl(cast<DeclContext>(ID), PropertyId,
1088 PD->getQueryKind());
1093 // Visit synthesized methods since they will be skipped when visiting
1095 if (ObjCMethodDecl *MD = prevDecl->getGetterMethodDecl())
1096 if (MD->isPropertyAccessor() && MD->getLexicalDeclContext() == CDecl)
1097 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
1100 if (ObjCMethodDecl *MD = prevDecl->getSetterMethodDecl())
1101 if (MD->isPropertyAccessor() && MD->getLexicalDeclContext() == CDecl)
1102 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
1108 bool CursorVisitor::VisitObjCTypeParamList(ObjCTypeParamList *typeParamList) {
1112 for (auto *typeParam : *typeParamList) {
1113 // Visit the type parameter.
1114 if (Visit(MakeCXCursor(typeParam, TU, RegionOfInterest)))
1121 bool CursorVisitor::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) {
1122 if (!D->isThisDeclarationADefinition()) {
1123 // Forward declaration is treated like a reference.
1124 return Visit(MakeCursorObjCClassRef(D, D->getLocation(), TU));
1127 // Objective-C type parameters.
1128 if (VisitObjCTypeParamList(D->getTypeParamListAsWritten()))
1131 // Issue callbacks for super class.
1132 if (D->getSuperClass() &&
1133 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1134 D->getSuperClassLoc(),
1138 if (TypeSourceInfo *SuperClassTInfo = D->getSuperClassTInfo())
1139 if (Visit(SuperClassTInfo->getTypeLoc()))
1142 ObjCInterfaceDecl::protocol_loc_iterator PL = D->protocol_loc_begin();
1143 for (ObjCInterfaceDecl::protocol_iterator I = D->protocol_begin(),
1144 E = D->protocol_end(); I != E; ++I, ++PL)
1145 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1148 return VisitObjCContainerDecl(D);
1151 bool CursorVisitor::VisitObjCImplDecl(ObjCImplDecl *D) {
1152 return VisitObjCContainerDecl(D);
1155 bool CursorVisitor::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
1156 // 'ID' could be null when dealing with invalid code.
1157 if (ObjCInterfaceDecl *ID = D->getClassInterface())
1158 if (Visit(MakeCursorObjCClassRef(ID, D->getLocation(), TU)))
1161 return VisitObjCImplDecl(D);
1164 bool CursorVisitor::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
1166 // Issue callbacks for super class.
1167 // FIXME: No source location information!
1168 if (D->getSuperClass() &&
1169 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1170 D->getSuperClassLoc(),
1175 return VisitObjCImplDecl(D);
1178 bool CursorVisitor::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PD) {
1179 if (ObjCIvarDecl *Ivar = PD->getPropertyIvarDecl())
1180 if (PD->isIvarNameSpecified())
1181 return Visit(MakeCursorMemberRef(Ivar, PD->getPropertyIvarDeclLoc(), TU));
1186 bool CursorVisitor::VisitNamespaceDecl(NamespaceDecl *D) {
1187 return VisitDeclContext(D);
1190 bool CursorVisitor::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
1191 // Visit nested-name-specifier.
1192 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1193 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1196 return Visit(MakeCursorNamespaceRef(D->getAliasedNamespace(),
1197 D->getTargetNameLoc(), TU));
1200 bool CursorVisitor::VisitUsingDecl(UsingDecl *D) {
1201 // Visit nested-name-specifier.
1202 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1203 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1207 if (Visit(MakeCursorOverloadedDeclRef(D, D->getLocation(), TU)))
1210 return VisitDeclarationNameInfo(D->getNameInfo());
1213 bool CursorVisitor::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
1214 // Visit nested-name-specifier.
1215 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1216 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1219 return Visit(MakeCursorNamespaceRef(D->getNominatedNamespaceAsWritten(),
1220 D->getIdentLocation(), TU));
1223 bool CursorVisitor::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
1224 // Visit nested-name-specifier.
1225 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1226 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1230 return VisitDeclarationNameInfo(D->getNameInfo());
1233 bool CursorVisitor::VisitUnresolvedUsingTypenameDecl(
1234 UnresolvedUsingTypenameDecl *D) {
1235 // Visit nested-name-specifier.
1236 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1237 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1243 bool CursorVisitor::VisitStaticAssertDecl(StaticAssertDecl *D) {
1244 if (Visit(MakeCXCursor(D->getAssertExpr(), StmtParent, TU, RegionOfInterest)))
1246 if (Visit(MakeCXCursor(D->getMessage(), StmtParent, TU, RegionOfInterest)))
1251 bool CursorVisitor::VisitDeclarationNameInfo(DeclarationNameInfo Name) {
1252 switch (Name.getName().getNameKind()) {
1253 case clang::DeclarationName::Identifier:
1254 case clang::DeclarationName::CXXLiteralOperatorName:
1255 case clang::DeclarationName::CXXOperatorName:
1256 case clang::DeclarationName::CXXUsingDirective:
1259 case clang::DeclarationName::CXXConstructorName:
1260 case clang::DeclarationName::CXXDestructorName:
1261 case clang::DeclarationName::CXXConversionFunctionName:
1262 if (TypeSourceInfo *TSInfo = Name.getNamedTypeInfo())
1263 return Visit(TSInfo->getTypeLoc());
1266 case clang::DeclarationName::ObjCZeroArgSelector:
1267 case clang::DeclarationName::ObjCOneArgSelector:
1268 case clang::DeclarationName::ObjCMultiArgSelector:
1269 // FIXME: Per-identifier location info?
1273 llvm_unreachable("Invalid DeclarationName::Kind!");
1276 bool CursorVisitor::VisitNestedNameSpecifier(NestedNameSpecifier *NNS,
1277 SourceRange Range) {
1278 // FIXME: This whole routine is a hack to work around the lack of proper
1279 // source information in nested-name-specifiers (PR5791). Since we do have
1280 // a beginning source location, we can visit the first component of the
1281 // nested-name-specifier, if it's a single-token component.
1285 // Get the first component in the nested-name-specifier.
1286 while (NestedNameSpecifier *Prefix = NNS->getPrefix())
1289 switch (NNS->getKind()) {
1290 case NestedNameSpecifier::Namespace:
1291 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(), Range.getBegin(),
1294 case NestedNameSpecifier::NamespaceAlias:
1295 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1296 Range.getBegin(), TU));
1298 case NestedNameSpecifier::TypeSpec: {
1299 // If the type has a form where we know that the beginning of the source
1300 // range matches up with a reference cursor. Visit the appropriate reference
1302 const Type *T = NNS->getAsType();
1303 if (const TypedefType *Typedef = dyn_cast<TypedefType>(T))
1304 return Visit(MakeCursorTypeRef(Typedef->getDecl(), Range.getBegin(), TU));
1305 if (const TagType *Tag = dyn_cast<TagType>(T))
1306 return Visit(MakeCursorTypeRef(Tag->getDecl(), Range.getBegin(), TU));
1307 if (const TemplateSpecializationType *TST
1308 = dyn_cast<TemplateSpecializationType>(T))
1309 return VisitTemplateName(TST->getTemplateName(), Range.getBegin());
1313 case NestedNameSpecifier::TypeSpecWithTemplate:
1314 case NestedNameSpecifier::Global:
1315 case NestedNameSpecifier::Identifier:
1316 case NestedNameSpecifier::Super:
1324 CursorVisitor::VisitNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1325 SmallVector<NestedNameSpecifierLoc, 4> Qualifiers;
1326 for (; Qualifier; Qualifier = Qualifier.getPrefix())
1327 Qualifiers.push_back(Qualifier);
1329 while (!Qualifiers.empty()) {
1330 NestedNameSpecifierLoc Q = Qualifiers.pop_back_val();
1331 NestedNameSpecifier *NNS = Q.getNestedNameSpecifier();
1332 switch (NNS->getKind()) {
1333 case NestedNameSpecifier::Namespace:
1334 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(),
1335 Q.getLocalBeginLoc(),
1341 case NestedNameSpecifier::NamespaceAlias:
1342 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1343 Q.getLocalBeginLoc(),
1349 case NestedNameSpecifier::TypeSpec:
1350 case NestedNameSpecifier::TypeSpecWithTemplate:
1351 if (Visit(Q.getTypeLoc()))
1356 case NestedNameSpecifier::Global:
1357 case NestedNameSpecifier::Identifier:
1358 case NestedNameSpecifier::Super:
1366 bool CursorVisitor::VisitTemplateParameters(
1367 const TemplateParameterList *Params) {
1371 for (TemplateParameterList::const_iterator P = Params->begin(),
1372 PEnd = Params->end();
1374 if (Visit(MakeCXCursor(*P, TU, RegionOfInterest)))
1381 bool CursorVisitor::VisitTemplateName(TemplateName Name, SourceLocation Loc) {
1382 switch (Name.getKind()) {
1383 case TemplateName::Template:
1384 return Visit(MakeCursorTemplateRef(Name.getAsTemplateDecl(), Loc, TU));
1386 case TemplateName::OverloadedTemplate:
1387 // Visit the overloaded template set.
1388 if (Visit(MakeCursorOverloadedDeclRef(Name, Loc, TU)))
1393 case TemplateName::DependentTemplate:
1394 // FIXME: Visit nested-name-specifier.
1397 case TemplateName::QualifiedTemplate:
1398 // FIXME: Visit nested-name-specifier.
1399 return Visit(MakeCursorTemplateRef(
1400 Name.getAsQualifiedTemplateName()->getDecl(),
1403 case TemplateName::SubstTemplateTemplateParm:
1404 return Visit(MakeCursorTemplateRef(
1405 Name.getAsSubstTemplateTemplateParm()->getParameter(),
1408 case TemplateName::SubstTemplateTemplateParmPack:
1409 return Visit(MakeCursorTemplateRef(
1410 Name.getAsSubstTemplateTemplateParmPack()->getParameterPack(),
1414 llvm_unreachable("Invalid TemplateName::Kind!");
1417 bool CursorVisitor::VisitTemplateArgumentLoc(const TemplateArgumentLoc &TAL) {
1418 switch (TAL.getArgument().getKind()) {
1419 case TemplateArgument::Null:
1420 case TemplateArgument::Integral:
1421 case TemplateArgument::Pack:
1424 case TemplateArgument::Type:
1425 if (TypeSourceInfo *TSInfo = TAL.getTypeSourceInfo())
1426 return Visit(TSInfo->getTypeLoc());
1429 case TemplateArgument::Declaration:
1430 if (Expr *E = TAL.getSourceDeclExpression())
1431 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1434 case TemplateArgument::NullPtr:
1435 if (Expr *E = TAL.getSourceNullPtrExpression())
1436 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1439 case TemplateArgument::Expression:
1440 if (Expr *E = TAL.getSourceExpression())
1441 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1444 case TemplateArgument::Template:
1445 case TemplateArgument::TemplateExpansion:
1446 if (VisitNestedNameSpecifierLoc(TAL.getTemplateQualifierLoc()))
1449 return VisitTemplateName(TAL.getArgument().getAsTemplateOrTemplatePattern(),
1450 TAL.getTemplateNameLoc());
1453 llvm_unreachable("Invalid TemplateArgument::Kind!");
1456 bool CursorVisitor::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
1457 return VisitDeclContext(D);
1460 bool CursorVisitor::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) {
1461 return Visit(TL.getUnqualifiedLoc());
1464 bool CursorVisitor::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) {
1465 ASTContext &Context = AU->getASTContext();
1467 // Some builtin types (such as Objective-C's "id", "sel", and
1468 // "Class") have associated declarations. Create cursors for those.
1470 switch (TL.getTypePtr()->getKind()) {
1472 case BuiltinType::Void:
1473 case BuiltinType::NullPtr:
1474 case BuiltinType::Dependent:
1475 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
1476 case BuiltinType::Id:
1477 #include "clang/Basic/OpenCLImageTypes.def"
1478 case BuiltinType::OCLSampler:
1479 case BuiltinType::OCLEvent:
1480 case BuiltinType::OCLClkEvent:
1481 case BuiltinType::OCLQueue:
1482 case BuiltinType::OCLNDRange:
1483 case BuiltinType::OCLReserveID:
1484 #define BUILTIN_TYPE(Id, SingletonId)
1485 #define SIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1486 #define UNSIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1487 #define FLOATING_TYPE(Id, SingletonId) case BuiltinType::Id:
1488 #define PLACEHOLDER_TYPE(Id, SingletonId) case BuiltinType::Id:
1489 #include "clang/AST/BuiltinTypes.def"
1492 case BuiltinType::ObjCId:
1493 VisitType = Context.getObjCIdType();
1496 case BuiltinType::ObjCClass:
1497 VisitType = Context.getObjCClassType();
1500 case BuiltinType::ObjCSel:
1501 VisitType = Context.getObjCSelType();
1505 if (!VisitType.isNull()) {
1506 if (const TypedefType *Typedef = VisitType->getAs<TypedefType>())
1507 return Visit(MakeCursorTypeRef(Typedef->getDecl(), TL.getBuiltinLoc(),
1514 bool CursorVisitor::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
1515 return Visit(MakeCursorTypeRef(TL.getTypedefNameDecl(), TL.getNameLoc(), TU));
1518 bool CursorVisitor::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
1519 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1522 bool CursorVisitor::VisitTagTypeLoc(TagTypeLoc TL) {
1523 if (TL.isDefinition())
1524 return Visit(MakeCXCursor(TL.getDecl(), TU, RegionOfInterest));
1526 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1529 bool CursorVisitor::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
1530 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1533 bool CursorVisitor::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
1534 return Visit(MakeCursorObjCClassRef(TL.getIFaceDecl(), TL.getNameLoc(), TU));
1537 bool CursorVisitor::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
1538 if (TL.hasBaseTypeAsWritten() && Visit(TL.getBaseLoc()))
1541 for (unsigned I = 0, N = TL.getNumTypeArgs(); I != N; ++I) {
1542 if (Visit(TL.getTypeArgTInfo(I)->getTypeLoc()))
1546 for (unsigned I = 0, N = TL.getNumProtocols(); I != N; ++I) {
1547 if (Visit(MakeCursorObjCProtocolRef(TL.getProtocol(I), TL.getProtocolLoc(I),
1555 bool CursorVisitor::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
1556 return Visit(TL.getPointeeLoc());
1559 bool CursorVisitor::VisitParenTypeLoc(ParenTypeLoc TL) {
1560 return Visit(TL.getInnerLoc());
1563 bool CursorVisitor::VisitPointerTypeLoc(PointerTypeLoc TL) {
1564 return Visit(TL.getPointeeLoc());
1567 bool CursorVisitor::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
1568 return Visit(TL.getPointeeLoc());
1571 bool CursorVisitor::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
1572 return Visit(TL.getPointeeLoc());
1575 bool CursorVisitor::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
1576 return Visit(TL.getPointeeLoc());
1579 bool CursorVisitor::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
1580 return Visit(TL.getPointeeLoc());
1583 bool CursorVisitor::VisitAttributedTypeLoc(AttributedTypeLoc TL) {
1584 return Visit(TL.getModifiedLoc());
1587 bool CursorVisitor::VisitFunctionTypeLoc(FunctionTypeLoc TL,
1588 bool SkipResultType) {
1589 if (!SkipResultType && Visit(TL.getReturnLoc()))
1592 for (unsigned I = 0, N = TL.getNumParams(); I != N; ++I)
1593 if (Decl *D = TL.getParam(I))
1594 if (Visit(MakeCXCursor(D, TU, RegionOfInterest)))
1600 bool CursorVisitor::VisitArrayTypeLoc(ArrayTypeLoc TL) {
1601 if (Visit(TL.getElementLoc()))
1604 if (Expr *Size = TL.getSizeExpr())
1605 return Visit(MakeCXCursor(Size, StmtParent, TU, RegionOfInterest));
1610 bool CursorVisitor::VisitDecayedTypeLoc(DecayedTypeLoc TL) {
1611 return Visit(TL.getOriginalLoc());
1614 bool CursorVisitor::VisitAdjustedTypeLoc(AdjustedTypeLoc TL) {
1615 return Visit(TL.getOriginalLoc());
1618 bool CursorVisitor::VisitTemplateSpecializationTypeLoc(
1619 TemplateSpecializationTypeLoc TL) {
1620 // Visit the template name.
1621 if (VisitTemplateName(TL.getTypePtr()->getTemplateName(),
1622 TL.getTemplateNameLoc()))
1625 // Visit the template arguments.
1626 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1627 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1633 bool CursorVisitor::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
1634 return Visit(MakeCXCursor(TL.getUnderlyingExpr(), StmtParent, TU));
1637 bool CursorVisitor::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
1638 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1639 return Visit(TSInfo->getTypeLoc());
1644 bool CursorVisitor::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) {
1645 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1646 return Visit(TSInfo->getTypeLoc());
1651 bool CursorVisitor::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) {
1652 return VisitNestedNameSpecifierLoc(TL.getQualifierLoc());
1655 bool CursorVisitor::VisitDependentTemplateSpecializationTypeLoc(
1656 DependentTemplateSpecializationTypeLoc TL) {
1657 // Visit the nested-name-specifier, if there is one.
1658 if (TL.getQualifierLoc() &&
1659 VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1662 // Visit the template arguments.
1663 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1664 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1670 bool CursorVisitor::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
1671 if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1674 return Visit(TL.getNamedTypeLoc());
1677 bool CursorVisitor::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) {
1678 return Visit(TL.getPatternLoc());
1681 bool CursorVisitor::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
1682 if (Expr *E = TL.getUnderlyingExpr())
1683 return Visit(MakeCXCursor(E, StmtParent, TU));
1688 bool CursorVisitor::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) {
1689 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1692 bool CursorVisitor::VisitAtomicTypeLoc(AtomicTypeLoc TL) {
1693 return Visit(TL.getValueLoc());
1696 bool CursorVisitor::VisitPipeTypeLoc(PipeTypeLoc TL) {
1697 return Visit(TL.getValueLoc());
1700 #define DEFAULT_TYPELOC_IMPL(CLASS, PARENT) \
1701 bool CursorVisitor::Visit##CLASS##TypeLoc(CLASS##TypeLoc TL) { \
1702 return Visit##PARENT##Loc(TL); \
1705 DEFAULT_TYPELOC_IMPL(Complex, Type)
1706 DEFAULT_TYPELOC_IMPL(ConstantArray, ArrayType)
1707 DEFAULT_TYPELOC_IMPL(IncompleteArray, ArrayType)
1708 DEFAULT_TYPELOC_IMPL(VariableArray, ArrayType)
1709 DEFAULT_TYPELOC_IMPL(DependentSizedArray, ArrayType)
1710 DEFAULT_TYPELOC_IMPL(DependentSizedExtVector, Type)
1711 DEFAULT_TYPELOC_IMPL(Vector, Type)
1712 DEFAULT_TYPELOC_IMPL(ExtVector, VectorType)
1713 DEFAULT_TYPELOC_IMPL(FunctionProto, FunctionType)
1714 DEFAULT_TYPELOC_IMPL(FunctionNoProto, FunctionType)
1715 DEFAULT_TYPELOC_IMPL(Record, TagType)
1716 DEFAULT_TYPELOC_IMPL(Enum, TagType)
1717 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParm, Type)
1718 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParmPack, Type)
1719 DEFAULT_TYPELOC_IMPL(Auto, Type)
1721 bool CursorVisitor::VisitCXXRecordDecl(CXXRecordDecl *D) {
1722 // Visit the nested-name-specifier, if present.
1723 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1724 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1727 if (D->isCompleteDefinition()) {
1728 for (const auto &I : D->bases()) {
1729 if (Visit(cxcursor::MakeCursorCXXBaseSpecifier(&I, TU)))
1734 return VisitTagDecl(D);
1737 bool CursorVisitor::VisitAttributes(Decl *D) {
1738 for (const auto *I : D->attrs())
1739 if (Visit(MakeCXCursor(I, D, TU)))
1745 //===----------------------------------------------------------------------===//
1746 // Data-recursive visitor methods.
1747 //===----------------------------------------------------------------------===//
1750 #define DEF_JOB(NAME, DATA, KIND)\
1751 class NAME : public VisitorJob {\
1753 NAME(const DATA *d, CXCursor parent) : \
1754 VisitorJob(parent, VisitorJob::KIND, d) {} \
1755 static bool classof(const VisitorJob *VJ) { return VJ->getKind() == KIND; }\
1756 const DATA *get() const { return static_cast<const DATA*>(data[0]); }\
1759 DEF_JOB(StmtVisit, Stmt, StmtVisitKind)
1760 DEF_JOB(MemberExprParts, MemberExpr, MemberExprPartsKind)
1761 DEF_JOB(DeclRefExprParts, DeclRefExpr, DeclRefExprPartsKind)
1762 DEF_JOB(OverloadExprParts, OverloadExpr, OverloadExprPartsKind)
1763 DEF_JOB(SizeOfPackExprParts, SizeOfPackExpr, SizeOfPackExprPartsKind)
1764 DEF_JOB(LambdaExprParts, LambdaExpr, LambdaExprPartsKind)
1765 DEF_JOB(PostChildrenVisit, void, PostChildrenVisitKind)
1768 class ExplicitTemplateArgsVisit : public VisitorJob {
1770 ExplicitTemplateArgsVisit(const TemplateArgumentLoc *Begin,
1771 const TemplateArgumentLoc *End, CXCursor parent)
1772 : VisitorJob(parent, VisitorJob::ExplicitTemplateArgsVisitKind, Begin,
1774 static bool classof(const VisitorJob *VJ) {
1775 return VJ->getKind() == ExplicitTemplateArgsVisitKind;
1777 const TemplateArgumentLoc *begin() const {
1778 return static_cast<const TemplateArgumentLoc *>(data[0]);
1780 const TemplateArgumentLoc *end() {
1781 return static_cast<const TemplateArgumentLoc *>(data[1]);
1784 class DeclVisit : public VisitorJob {
1786 DeclVisit(const Decl *D, CXCursor parent, bool isFirst) :
1787 VisitorJob(parent, VisitorJob::DeclVisitKind,
1788 D, isFirst ? (void*) 1 : (void*) nullptr) {}
1789 static bool classof(const VisitorJob *VJ) {
1790 return VJ->getKind() == DeclVisitKind;
1792 const Decl *get() const { return static_cast<const Decl *>(data[0]); }
1793 bool isFirst() const { return data[1] != nullptr; }
1795 class TypeLocVisit : public VisitorJob {
1797 TypeLocVisit(TypeLoc tl, CXCursor parent) :
1798 VisitorJob(parent, VisitorJob::TypeLocVisitKind,
1799 tl.getType().getAsOpaquePtr(), tl.getOpaqueData()) {}
1801 static bool classof(const VisitorJob *VJ) {
1802 return VJ->getKind() == TypeLocVisitKind;
1805 TypeLoc get() const {
1806 QualType T = QualType::getFromOpaquePtr(data[0]);
1807 return TypeLoc(T, const_cast<void *>(data[1]));
1811 class LabelRefVisit : public VisitorJob {
1813 LabelRefVisit(LabelDecl *LD, SourceLocation labelLoc, CXCursor parent)
1814 : VisitorJob(parent, VisitorJob::LabelRefVisitKind, LD,
1815 labelLoc.getPtrEncoding()) {}
1817 static bool classof(const VisitorJob *VJ) {
1818 return VJ->getKind() == VisitorJob::LabelRefVisitKind;
1820 const LabelDecl *get() const {
1821 return static_cast<const LabelDecl *>(data[0]);
1823 SourceLocation getLoc() const {
1824 return SourceLocation::getFromPtrEncoding(data[1]); }
1827 class NestedNameSpecifierLocVisit : public VisitorJob {
1829 NestedNameSpecifierLocVisit(NestedNameSpecifierLoc Qualifier, CXCursor parent)
1830 : VisitorJob(parent, VisitorJob::NestedNameSpecifierLocVisitKind,
1831 Qualifier.getNestedNameSpecifier(),
1832 Qualifier.getOpaqueData()) { }
1834 static bool classof(const VisitorJob *VJ) {
1835 return VJ->getKind() == VisitorJob::NestedNameSpecifierLocVisitKind;
1838 NestedNameSpecifierLoc get() const {
1839 return NestedNameSpecifierLoc(
1840 const_cast<NestedNameSpecifier *>(
1841 static_cast<const NestedNameSpecifier *>(data[0])),
1842 const_cast<void *>(data[1]));
1846 class DeclarationNameInfoVisit : public VisitorJob {
1848 DeclarationNameInfoVisit(const Stmt *S, CXCursor parent)
1849 : VisitorJob(parent, VisitorJob::DeclarationNameInfoVisitKind, S) {}
1850 static bool classof(const VisitorJob *VJ) {
1851 return VJ->getKind() == VisitorJob::DeclarationNameInfoVisitKind;
1853 DeclarationNameInfo get() const {
1854 const Stmt *S = static_cast<const Stmt *>(data[0]);
1855 switch (S->getStmtClass()) {
1857 llvm_unreachable("Unhandled Stmt");
1858 case clang::Stmt::MSDependentExistsStmtClass:
1859 return cast<MSDependentExistsStmt>(S)->getNameInfo();
1860 case Stmt::CXXDependentScopeMemberExprClass:
1861 return cast<CXXDependentScopeMemberExpr>(S)->getMemberNameInfo();
1862 case Stmt::DependentScopeDeclRefExprClass:
1863 return cast<DependentScopeDeclRefExpr>(S)->getNameInfo();
1864 case Stmt::OMPCriticalDirectiveClass:
1865 return cast<OMPCriticalDirective>(S)->getDirectiveName();
1869 class MemberRefVisit : public VisitorJob {
1871 MemberRefVisit(const FieldDecl *D, SourceLocation L, CXCursor parent)
1872 : VisitorJob(parent, VisitorJob::MemberRefVisitKind, D,
1873 L.getPtrEncoding()) {}
1874 static bool classof(const VisitorJob *VJ) {
1875 return VJ->getKind() == VisitorJob::MemberRefVisitKind;
1877 const FieldDecl *get() const {
1878 return static_cast<const FieldDecl *>(data[0]);
1880 SourceLocation getLoc() const {
1881 return SourceLocation::getFromRawEncoding((unsigned)(uintptr_t) data[1]);
1884 class EnqueueVisitor : public ConstStmtVisitor<EnqueueVisitor, void> {
1885 friend class OMPClauseEnqueue;
1886 VisitorWorkList &WL;
1889 EnqueueVisitor(VisitorWorkList &wl, CXCursor parent)
1890 : WL(wl), Parent(parent) {}
1892 void VisitAddrLabelExpr(const AddrLabelExpr *E);
1893 void VisitBlockExpr(const BlockExpr *B);
1894 void VisitCompoundLiteralExpr(const CompoundLiteralExpr *E);
1895 void VisitCompoundStmt(const CompoundStmt *S);
1896 void VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *E) { /* Do nothing. */ }
1897 void VisitMSDependentExistsStmt(const MSDependentExistsStmt *S);
1898 void VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E);
1899 void VisitCXXNewExpr(const CXXNewExpr *E);
1900 void VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *E);
1901 void VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *E);
1902 void VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *E);
1903 void VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *E);
1904 void VisitCXXTypeidExpr(const CXXTypeidExpr *E);
1905 void VisitCXXUnresolvedConstructExpr(const CXXUnresolvedConstructExpr *E);
1906 void VisitCXXUuidofExpr(const CXXUuidofExpr *E);
1907 void VisitCXXCatchStmt(const CXXCatchStmt *S);
1908 void VisitCXXForRangeStmt(const CXXForRangeStmt *S);
1909 void VisitDeclRefExpr(const DeclRefExpr *D);
1910 void VisitDeclStmt(const DeclStmt *S);
1911 void VisitDependentScopeDeclRefExpr(const DependentScopeDeclRefExpr *E);
1912 void VisitDesignatedInitExpr(const DesignatedInitExpr *E);
1913 void VisitExplicitCastExpr(const ExplicitCastExpr *E);
1914 void VisitForStmt(const ForStmt *FS);
1915 void VisitGotoStmt(const GotoStmt *GS);
1916 void VisitIfStmt(const IfStmt *If);
1917 void VisitInitListExpr(const InitListExpr *IE);
1918 void VisitMemberExpr(const MemberExpr *M);
1919 void VisitOffsetOfExpr(const OffsetOfExpr *E);
1920 void VisitObjCEncodeExpr(const ObjCEncodeExpr *E);
1921 void VisitObjCMessageExpr(const ObjCMessageExpr *M);
1922 void VisitOverloadExpr(const OverloadExpr *E);
1923 void VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *E);
1924 void VisitStmt(const Stmt *S);
1925 void VisitSwitchStmt(const SwitchStmt *S);
1926 void VisitWhileStmt(const WhileStmt *W);
1927 void VisitTypeTraitExpr(const TypeTraitExpr *E);
1928 void VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E);
1929 void VisitExpressionTraitExpr(const ExpressionTraitExpr *E);
1930 void VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U);
1931 void VisitVAArgExpr(const VAArgExpr *E);
1932 void VisitSizeOfPackExpr(const SizeOfPackExpr *E);
1933 void VisitPseudoObjectExpr(const PseudoObjectExpr *E);
1934 void VisitOpaqueValueExpr(const OpaqueValueExpr *E);
1935 void VisitLambdaExpr(const LambdaExpr *E);
1936 void VisitOMPExecutableDirective(const OMPExecutableDirective *D);
1937 void VisitOMPLoopDirective(const OMPLoopDirective *D);
1938 void VisitOMPParallelDirective(const OMPParallelDirective *D);
1939 void VisitOMPSimdDirective(const OMPSimdDirective *D);
1940 void VisitOMPForDirective(const OMPForDirective *D);
1941 void VisitOMPForSimdDirective(const OMPForSimdDirective *D);
1942 void VisitOMPSectionsDirective(const OMPSectionsDirective *D);
1943 void VisitOMPSectionDirective(const OMPSectionDirective *D);
1944 void VisitOMPSingleDirective(const OMPSingleDirective *D);
1945 void VisitOMPMasterDirective(const OMPMasterDirective *D);
1946 void VisitOMPCriticalDirective(const OMPCriticalDirective *D);
1947 void VisitOMPParallelForDirective(const OMPParallelForDirective *D);
1948 void VisitOMPParallelForSimdDirective(const OMPParallelForSimdDirective *D);
1949 void VisitOMPParallelSectionsDirective(const OMPParallelSectionsDirective *D);
1950 void VisitOMPTaskDirective(const OMPTaskDirective *D);
1951 void VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D);
1952 void VisitOMPBarrierDirective(const OMPBarrierDirective *D);
1953 void VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D);
1954 void VisitOMPTaskgroupDirective(const OMPTaskgroupDirective *D);
1956 VisitOMPCancellationPointDirective(const OMPCancellationPointDirective *D);
1957 void VisitOMPCancelDirective(const OMPCancelDirective *D);
1958 void VisitOMPFlushDirective(const OMPFlushDirective *D);
1959 void VisitOMPOrderedDirective(const OMPOrderedDirective *D);
1960 void VisitOMPAtomicDirective(const OMPAtomicDirective *D);
1961 void VisitOMPTargetDirective(const OMPTargetDirective *D);
1962 void VisitOMPTargetDataDirective(const OMPTargetDataDirective *D);
1963 void VisitOMPTargetEnterDataDirective(const OMPTargetEnterDataDirective *D);
1964 void VisitOMPTargetExitDataDirective(const OMPTargetExitDataDirective *D);
1965 void VisitOMPTargetParallelDirective(const OMPTargetParallelDirective *D);
1967 VisitOMPTargetParallelForDirective(const OMPTargetParallelForDirective *D);
1968 void VisitOMPTeamsDirective(const OMPTeamsDirective *D);
1969 void VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *D);
1970 void VisitOMPTaskLoopSimdDirective(const OMPTaskLoopSimdDirective *D);
1971 void VisitOMPDistributeDirective(const OMPDistributeDirective *D);
1972 void VisitOMPDistributeParallelForDirective(
1973 const OMPDistributeParallelForDirective *D);
1974 void VisitOMPDistributeParallelForSimdDirective(
1975 const OMPDistributeParallelForSimdDirective *D);
1976 void VisitOMPDistributeSimdDirective(const OMPDistributeSimdDirective *D);
1977 void VisitOMPTargetParallelForSimdDirective(
1978 const OMPTargetParallelForSimdDirective *D);
1981 void AddDeclarationNameInfo(const Stmt *S);
1982 void AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier);
1983 void AddExplicitTemplateArgs(const TemplateArgumentLoc *A,
1984 unsigned NumTemplateArgs);
1985 void AddMemberRef(const FieldDecl *D, SourceLocation L);
1986 void AddStmt(const Stmt *S);
1987 void AddDecl(const Decl *D, bool isFirst = true);
1988 void AddTypeLoc(TypeSourceInfo *TI);
1989 void EnqueueChildren(const Stmt *S);
1990 void EnqueueChildren(const OMPClause *S);
1992 } // end anonyous namespace
1994 void EnqueueVisitor::AddDeclarationNameInfo(const Stmt *S) {
1995 // 'S' should always be non-null, since it comes from the
1996 // statement we are visiting.
1997 WL.push_back(DeclarationNameInfoVisit(S, Parent));
2001 EnqueueVisitor::AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
2003 WL.push_back(NestedNameSpecifierLocVisit(Qualifier, Parent));
2006 void EnqueueVisitor::AddStmt(const Stmt *S) {
2008 WL.push_back(StmtVisit(S, Parent));
2010 void EnqueueVisitor::AddDecl(const Decl *D, bool isFirst) {
2012 WL.push_back(DeclVisit(D, Parent, isFirst));
2014 void EnqueueVisitor::AddExplicitTemplateArgs(const TemplateArgumentLoc *A,
2015 unsigned NumTemplateArgs) {
2016 WL.push_back(ExplicitTemplateArgsVisit(A, A + NumTemplateArgs, Parent));
2018 void EnqueueVisitor::AddMemberRef(const FieldDecl *D, SourceLocation L) {
2020 WL.push_back(MemberRefVisit(D, L, Parent));
2022 void EnqueueVisitor::AddTypeLoc(TypeSourceInfo *TI) {
2024 WL.push_back(TypeLocVisit(TI->getTypeLoc(), Parent));
2026 void EnqueueVisitor::EnqueueChildren(const Stmt *S) {
2027 unsigned size = WL.size();
2028 for (const Stmt *SubStmt : S->children()) {
2031 if (size == WL.size())
2033 // Now reverse the entries we just added. This will match the DFS
2034 // ordering performed by the worklist.
2035 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2039 class OMPClauseEnqueue : public ConstOMPClauseVisitor<OMPClauseEnqueue> {
2040 EnqueueVisitor *Visitor;
2041 /// \brief Process clauses with list of variables.
2042 template <typename T>
2043 void VisitOMPClauseList(T *Node);
2045 OMPClauseEnqueue(EnqueueVisitor *Visitor) : Visitor(Visitor) { }
2046 #define OPENMP_CLAUSE(Name, Class) \
2047 void Visit##Class(const Class *C);
2048 #include "clang/Basic/OpenMPKinds.def"
2049 void VisitOMPClauseWithPreInit(const OMPClauseWithPreInit *C);
2050 void VisitOMPClauseWithPostUpdate(const OMPClauseWithPostUpdate *C);
2053 void OMPClauseEnqueue::VisitOMPClauseWithPreInit(
2054 const OMPClauseWithPreInit *C) {
2055 Visitor->AddStmt(C->getPreInitStmt());
2058 void OMPClauseEnqueue::VisitOMPClauseWithPostUpdate(
2059 const OMPClauseWithPostUpdate *C) {
2060 VisitOMPClauseWithPreInit(C);
2061 Visitor->AddStmt(C->getPostUpdateExpr());
2064 void OMPClauseEnqueue::VisitOMPIfClause(const OMPIfClause *C) {
2065 Visitor->AddStmt(C->getCondition());
2068 void OMPClauseEnqueue::VisitOMPFinalClause(const OMPFinalClause *C) {
2069 Visitor->AddStmt(C->getCondition());
2072 void OMPClauseEnqueue::VisitOMPNumThreadsClause(const OMPNumThreadsClause *C) {
2073 Visitor->AddStmt(C->getNumThreads());
2076 void OMPClauseEnqueue::VisitOMPSafelenClause(const OMPSafelenClause *C) {
2077 Visitor->AddStmt(C->getSafelen());
2080 void OMPClauseEnqueue::VisitOMPSimdlenClause(const OMPSimdlenClause *C) {
2081 Visitor->AddStmt(C->getSimdlen());
2084 void OMPClauseEnqueue::VisitOMPCollapseClause(const OMPCollapseClause *C) {
2085 Visitor->AddStmt(C->getNumForLoops());
2088 void OMPClauseEnqueue::VisitOMPDefaultClause(const OMPDefaultClause *C) { }
2090 void OMPClauseEnqueue::VisitOMPProcBindClause(const OMPProcBindClause *C) { }
2092 void OMPClauseEnqueue::VisitOMPScheduleClause(const OMPScheduleClause *C) {
2093 VisitOMPClauseWithPreInit(C);
2094 Visitor->AddStmt(C->getChunkSize());
2097 void OMPClauseEnqueue::VisitOMPOrderedClause(const OMPOrderedClause *C) {
2098 Visitor->AddStmt(C->getNumForLoops());
2101 void OMPClauseEnqueue::VisitOMPNowaitClause(const OMPNowaitClause *) {}
2103 void OMPClauseEnqueue::VisitOMPUntiedClause(const OMPUntiedClause *) {}
2105 void OMPClauseEnqueue::VisitOMPMergeableClause(const OMPMergeableClause *) {}
2107 void OMPClauseEnqueue::VisitOMPReadClause(const OMPReadClause *) {}
2109 void OMPClauseEnqueue::VisitOMPWriteClause(const OMPWriteClause *) {}
2111 void OMPClauseEnqueue::VisitOMPUpdateClause(const OMPUpdateClause *) {}
2113 void OMPClauseEnqueue::VisitOMPCaptureClause(const OMPCaptureClause *) {}
2115 void OMPClauseEnqueue::VisitOMPSeqCstClause(const OMPSeqCstClause *) {}
2117 void OMPClauseEnqueue::VisitOMPThreadsClause(const OMPThreadsClause *) {}
2119 void OMPClauseEnqueue::VisitOMPSIMDClause(const OMPSIMDClause *) {}
2121 void OMPClauseEnqueue::VisitOMPNogroupClause(const OMPNogroupClause *) {}
2123 void OMPClauseEnqueue::VisitOMPDeviceClause(const OMPDeviceClause *C) {
2124 Visitor->AddStmt(C->getDevice());
2127 void OMPClauseEnqueue::VisitOMPNumTeamsClause(const OMPNumTeamsClause *C) {
2128 Visitor->AddStmt(C->getNumTeams());
2131 void OMPClauseEnqueue::VisitOMPThreadLimitClause(const OMPThreadLimitClause *C) {
2132 Visitor->AddStmt(C->getThreadLimit());
2135 void OMPClauseEnqueue::VisitOMPPriorityClause(const OMPPriorityClause *C) {
2136 Visitor->AddStmt(C->getPriority());
2139 void OMPClauseEnqueue::VisitOMPGrainsizeClause(const OMPGrainsizeClause *C) {
2140 Visitor->AddStmt(C->getGrainsize());
2143 void OMPClauseEnqueue::VisitOMPNumTasksClause(const OMPNumTasksClause *C) {
2144 Visitor->AddStmt(C->getNumTasks());
2147 void OMPClauseEnqueue::VisitOMPHintClause(const OMPHintClause *C) {
2148 Visitor->AddStmt(C->getHint());
2151 template<typename T>
2152 void OMPClauseEnqueue::VisitOMPClauseList(T *Node) {
2153 for (const auto *I : Node->varlists()) {
2154 Visitor->AddStmt(I);
2158 void OMPClauseEnqueue::VisitOMPPrivateClause(const OMPPrivateClause *C) {
2159 VisitOMPClauseList(C);
2160 for (const auto *E : C->private_copies()) {
2161 Visitor->AddStmt(E);
2164 void OMPClauseEnqueue::VisitOMPFirstprivateClause(
2165 const OMPFirstprivateClause *C) {
2166 VisitOMPClauseList(C);
2167 VisitOMPClauseWithPreInit(C);
2168 for (const auto *E : C->private_copies()) {
2169 Visitor->AddStmt(E);
2171 for (const auto *E : C->inits()) {
2172 Visitor->AddStmt(E);
2175 void OMPClauseEnqueue::VisitOMPLastprivateClause(
2176 const OMPLastprivateClause *C) {
2177 VisitOMPClauseList(C);
2178 VisitOMPClauseWithPostUpdate(C);
2179 for (auto *E : C->private_copies()) {
2180 Visitor->AddStmt(E);
2182 for (auto *E : C->source_exprs()) {
2183 Visitor->AddStmt(E);
2185 for (auto *E : C->destination_exprs()) {
2186 Visitor->AddStmt(E);
2188 for (auto *E : C->assignment_ops()) {
2189 Visitor->AddStmt(E);
2192 void OMPClauseEnqueue::VisitOMPSharedClause(const OMPSharedClause *C) {
2193 VisitOMPClauseList(C);
2195 void OMPClauseEnqueue::VisitOMPReductionClause(const OMPReductionClause *C) {
2196 VisitOMPClauseList(C);
2197 VisitOMPClauseWithPostUpdate(C);
2198 for (auto *E : C->privates()) {
2199 Visitor->AddStmt(E);
2201 for (auto *E : C->lhs_exprs()) {
2202 Visitor->AddStmt(E);
2204 for (auto *E : C->rhs_exprs()) {
2205 Visitor->AddStmt(E);
2207 for (auto *E : C->reduction_ops()) {
2208 Visitor->AddStmt(E);
2211 void OMPClauseEnqueue::VisitOMPLinearClause(const OMPLinearClause *C) {
2212 VisitOMPClauseList(C);
2213 VisitOMPClauseWithPostUpdate(C);
2214 for (const auto *E : C->privates()) {
2215 Visitor->AddStmt(E);
2217 for (const auto *E : C->inits()) {
2218 Visitor->AddStmt(E);
2220 for (const auto *E : C->updates()) {
2221 Visitor->AddStmt(E);
2223 for (const auto *E : C->finals()) {
2224 Visitor->AddStmt(E);
2226 Visitor->AddStmt(C->getStep());
2227 Visitor->AddStmt(C->getCalcStep());
2229 void OMPClauseEnqueue::VisitOMPAlignedClause(const OMPAlignedClause *C) {
2230 VisitOMPClauseList(C);
2231 Visitor->AddStmt(C->getAlignment());
2233 void OMPClauseEnqueue::VisitOMPCopyinClause(const OMPCopyinClause *C) {
2234 VisitOMPClauseList(C);
2235 for (auto *E : C->source_exprs()) {
2236 Visitor->AddStmt(E);
2238 for (auto *E : C->destination_exprs()) {
2239 Visitor->AddStmt(E);
2241 for (auto *E : C->assignment_ops()) {
2242 Visitor->AddStmt(E);
2246 OMPClauseEnqueue::VisitOMPCopyprivateClause(const OMPCopyprivateClause *C) {
2247 VisitOMPClauseList(C);
2248 for (auto *E : C->source_exprs()) {
2249 Visitor->AddStmt(E);
2251 for (auto *E : C->destination_exprs()) {
2252 Visitor->AddStmt(E);
2254 for (auto *E : C->assignment_ops()) {
2255 Visitor->AddStmt(E);
2258 void OMPClauseEnqueue::VisitOMPFlushClause(const OMPFlushClause *C) {
2259 VisitOMPClauseList(C);
2261 void OMPClauseEnqueue::VisitOMPDependClause(const OMPDependClause *C) {
2262 VisitOMPClauseList(C);
2264 void OMPClauseEnqueue::VisitOMPMapClause(const OMPMapClause *C) {
2265 VisitOMPClauseList(C);
2267 void OMPClauseEnqueue::VisitOMPDistScheduleClause(
2268 const OMPDistScheduleClause *C) {
2269 VisitOMPClauseWithPreInit(C);
2270 Visitor->AddStmt(C->getChunkSize());
2272 void OMPClauseEnqueue::VisitOMPDefaultmapClause(
2273 const OMPDefaultmapClause * /*C*/) {}
2274 void OMPClauseEnqueue::VisitOMPToClause(const OMPToClause *C) {
2275 VisitOMPClauseList(C);
2277 void OMPClauseEnqueue::VisitOMPFromClause(const OMPFromClause *C) {
2278 VisitOMPClauseList(C);
2280 void OMPClauseEnqueue::VisitOMPUseDevicePtrClause(const OMPUseDevicePtrClause *C) {
2281 VisitOMPClauseList(C);
2283 void OMPClauseEnqueue::VisitOMPIsDevicePtrClause(const OMPIsDevicePtrClause *C) {
2284 VisitOMPClauseList(C);
2288 void EnqueueVisitor::EnqueueChildren(const OMPClause *S) {
2289 unsigned size = WL.size();
2290 OMPClauseEnqueue Visitor(this);
2292 if (size == WL.size())
2294 // Now reverse the entries we just added. This will match the DFS
2295 // ordering performed by the worklist.
2296 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2299 void EnqueueVisitor::VisitAddrLabelExpr(const AddrLabelExpr *E) {
2300 WL.push_back(LabelRefVisit(E->getLabel(), E->getLabelLoc(), Parent));
2302 void EnqueueVisitor::VisitBlockExpr(const BlockExpr *B) {
2303 AddDecl(B->getBlockDecl());
2305 void EnqueueVisitor::VisitCompoundLiteralExpr(const CompoundLiteralExpr *E) {
2307 AddTypeLoc(E->getTypeSourceInfo());
2309 void EnqueueVisitor::VisitCompoundStmt(const CompoundStmt *S) {
2310 for (auto &I : llvm::reverse(S->body()))
2313 void EnqueueVisitor::
2314 VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
2315 AddStmt(S->getSubStmt());
2316 AddDeclarationNameInfo(S);
2317 if (NestedNameSpecifierLoc QualifierLoc = S->getQualifierLoc())
2318 AddNestedNameSpecifierLoc(QualifierLoc);
2321 void EnqueueVisitor::
2322 VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E) {
2323 if (E->hasExplicitTemplateArgs())
2324 AddExplicitTemplateArgs(E->getTemplateArgs(), E->getNumTemplateArgs());
2325 AddDeclarationNameInfo(E);
2326 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2327 AddNestedNameSpecifierLoc(QualifierLoc);
2328 if (!E->isImplicitAccess())
2329 AddStmt(E->getBase());
2331 void EnqueueVisitor::VisitCXXNewExpr(const CXXNewExpr *E) {
2332 // Enqueue the initializer , if any.
2333 AddStmt(E->getInitializer());
2334 // Enqueue the array size, if any.
2335 AddStmt(E->getArraySize());
2336 // Enqueue the allocated type.
2337 AddTypeLoc(E->getAllocatedTypeSourceInfo());
2338 // Enqueue the placement arguments.
2339 for (unsigned I = E->getNumPlacementArgs(); I > 0; --I)
2340 AddStmt(E->getPlacementArg(I-1));
2342 void EnqueueVisitor::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *CE) {
2343 for (unsigned I = CE->getNumArgs(); I > 1 /* Yes, this is 1 */; --I)
2344 AddStmt(CE->getArg(I-1));
2345 AddStmt(CE->getCallee());
2346 AddStmt(CE->getArg(0));
2348 void EnqueueVisitor::VisitCXXPseudoDestructorExpr(
2349 const CXXPseudoDestructorExpr *E) {
2350 // Visit the name of the type being destroyed.
2351 AddTypeLoc(E->getDestroyedTypeInfo());
2352 // Visit the scope type that looks disturbingly like the nested-name-specifier
2354 AddTypeLoc(E->getScopeTypeInfo());
2355 // Visit the nested-name-specifier.
2356 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2357 AddNestedNameSpecifierLoc(QualifierLoc);
2358 // Visit base expression.
2359 AddStmt(E->getBase());
2361 void EnqueueVisitor::VisitCXXScalarValueInitExpr(
2362 const CXXScalarValueInitExpr *E) {
2363 AddTypeLoc(E->getTypeSourceInfo());
2365 void EnqueueVisitor::VisitCXXTemporaryObjectExpr(
2366 const CXXTemporaryObjectExpr *E) {
2368 AddTypeLoc(E->getTypeSourceInfo());
2370 void EnqueueVisitor::VisitCXXTypeidExpr(const CXXTypeidExpr *E) {
2372 if (E->isTypeOperand())
2373 AddTypeLoc(E->getTypeOperandSourceInfo());
2376 void EnqueueVisitor::VisitCXXUnresolvedConstructExpr(
2377 const CXXUnresolvedConstructExpr *E) {
2379 AddTypeLoc(E->getTypeSourceInfo());
2381 void EnqueueVisitor::VisitCXXUuidofExpr(const CXXUuidofExpr *E) {
2383 if (E->isTypeOperand())
2384 AddTypeLoc(E->getTypeOperandSourceInfo());
2387 void EnqueueVisitor::VisitCXXCatchStmt(const CXXCatchStmt *S) {
2389 AddDecl(S->getExceptionDecl());
2392 void EnqueueVisitor::VisitCXXForRangeStmt(const CXXForRangeStmt *S) {
2393 AddStmt(S->getBody());
2394 AddStmt(S->getRangeInit());
2395 AddDecl(S->getLoopVariable());
2398 void EnqueueVisitor::VisitDeclRefExpr(const DeclRefExpr *DR) {
2399 if (DR->hasExplicitTemplateArgs())
2400 AddExplicitTemplateArgs(DR->getTemplateArgs(), DR->getNumTemplateArgs());
2401 WL.push_back(DeclRefExprParts(DR, Parent));
2403 void EnqueueVisitor::VisitDependentScopeDeclRefExpr(
2404 const DependentScopeDeclRefExpr *E) {
2405 if (E->hasExplicitTemplateArgs())
2406 AddExplicitTemplateArgs(E->getTemplateArgs(), E->getNumTemplateArgs());
2407 AddDeclarationNameInfo(E);
2408 AddNestedNameSpecifierLoc(E->getQualifierLoc());
2410 void EnqueueVisitor::VisitDeclStmt(const DeclStmt *S) {
2411 unsigned size = WL.size();
2412 bool isFirst = true;
2413 for (const auto *D : S->decls()) {
2414 AddDecl(D, isFirst);
2417 if (size == WL.size())
2419 // Now reverse the entries we just added. This will match the DFS
2420 // ordering performed by the worklist.
2421 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2424 void EnqueueVisitor::VisitDesignatedInitExpr(const DesignatedInitExpr *E) {
2425 AddStmt(E->getInit());
2426 for (const DesignatedInitExpr::Designator &D :
2427 llvm::reverse(E->designators())) {
2428 if (D.isFieldDesignator()) {
2429 if (FieldDecl *Field = D.getField())
2430 AddMemberRef(Field, D.getFieldLoc());
2433 if (D.isArrayDesignator()) {
2434 AddStmt(E->getArrayIndex(D));
2437 assert(D.isArrayRangeDesignator() && "Unknown designator kind");
2438 AddStmt(E->getArrayRangeEnd(D));
2439 AddStmt(E->getArrayRangeStart(D));
2442 void EnqueueVisitor::VisitExplicitCastExpr(const ExplicitCastExpr *E) {
2444 AddTypeLoc(E->getTypeInfoAsWritten());
2446 void EnqueueVisitor::VisitForStmt(const ForStmt *FS) {
2447 AddStmt(FS->getBody());
2448 AddStmt(FS->getInc());
2449 AddStmt(FS->getCond());
2450 AddDecl(FS->getConditionVariable());
2451 AddStmt(FS->getInit());
2453 void EnqueueVisitor::VisitGotoStmt(const GotoStmt *GS) {
2454 WL.push_back(LabelRefVisit(GS->getLabel(), GS->getLabelLoc(), Parent));
2456 void EnqueueVisitor::VisitIfStmt(const IfStmt *If) {
2457 AddStmt(If->getElse());
2458 AddStmt(If->getThen());
2459 AddStmt(If->getCond());
2460 AddDecl(If->getConditionVariable());
2462 void EnqueueVisitor::VisitInitListExpr(const InitListExpr *IE) {
2463 // We care about the syntactic form of the initializer list, only.
2464 if (InitListExpr *Syntactic = IE->getSyntacticForm())
2466 EnqueueChildren(IE);
2468 void EnqueueVisitor::VisitMemberExpr(const MemberExpr *M) {
2469 WL.push_back(MemberExprParts(M, Parent));
2471 // If the base of the member access expression is an implicit 'this', don't
2473 // FIXME: If we ever want to show these implicit accesses, this will be
2474 // unfortunate. However, clang_getCursor() relies on this behavior.
2475 if (M->isImplicitAccess())
2478 // Ignore base anonymous struct/union fields, otherwise they will shadow the
2479 // real field that that we are interested in.
2480 if (auto *SubME = dyn_cast<MemberExpr>(M->getBase())) {
2481 if (auto *FD = dyn_cast_or_null<FieldDecl>(SubME->getMemberDecl())) {
2482 if (FD->isAnonymousStructOrUnion()) {
2483 AddStmt(SubME->getBase());
2489 AddStmt(M->getBase());
2491 void EnqueueVisitor::VisitObjCEncodeExpr(const ObjCEncodeExpr *E) {
2492 AddTypeLoc(E->getEncodedTypeSourceInfo());
2494 void EnqueueVisitor::VisitObjCMessageExpr(const ObjCMessageExpr *M) {
2496 AddTypeLoc(M->getClassReceiverTypeInfo());
2498 void EnqueueVisitor::VisitOffsetOfExpr(const OffsetOfExpr *E) {
2499 // Visit the components of the offsetof expression.
2500 for (unsigned N = E->getNumComponents(), I = N; I > 0; --I) {
2501 const OffsetOfNode &Node = E->getComponent(I-1);
2502 switch (Node.getKind()) {
2503 case OffsetOfNode::Array:
2504 AddStmt(E->getIndexExpr(Node.getArrayExprIndex()));
2506 case OffsetOfNode::Field:
2507 AddMemberRef(Node.getField(), Node.getSourceRange().getEnd());
2509 case OffsetOfNode::Identifier:
2510 case OffsetOfNode::Base:
2514 // Visit the type into which we're computing the offset.
2515 AddTypeLoc(E->getTypeSourceInfo());
2517 void EnqueueVisitor::VisitOverloadExpr(const OverloadExpr *E) {
2518 if (E->hasExplicitTemplateArgs())
2519 AddExplicitTemplateArgs(E->getTemplateArgs(), E->getNumTemplateArgs());
2520 WL.push_back(OverloadExprParts(E, Parent));
2522 void EnqueueVisitor::VisitUnaryExprOrTypeTraitExpr(
2523 const UnaryExprOrTypeTraitExpr *E) {
2525 if (E->isArgumentType())
2526 AddTypeLoc(E->getArgumentTypeInfo());
2528 void EnqueueVisitor::VisitStmt(const Stmt *S) {
2531 void EnqueueVisitor::VisitSwitchStmt(const SwitchStmt *S) {
2532 AddStmt(S->getBody());
2533 AddStmt(S->getCond());
2534 AddDecl(S->getConditionVariable());
2537 void EnqueueVisitor::VisitWhileStmt(const WhileStmt *W) {
2538 AddStmt(W->getBody());
2539 AddStmt(W->getCond());
2540 AddDecl(W->getConditionVariable());
2543 void EnqueueVisitor::VisitTypeTraitExpr(const TypeTraitExpr *E) {
2544 for (unsigned I = E->getNumArgs(); I > 0; --I)
2545 AddTypeLoc(E->getArg(I-1));
2548 void EnqueueVisitor::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E) {
2549 AddTypeLoc(E->getQueriedTypeSourceInfo());
2552 void EnqueueVisitor::VisitExpressionTraitExpr(const ExpressionTraitExpr *E) {
2556 void EnqueueVisitor::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U) {
2557 VisitOverloadExpr(U);
2558 if (!U->isImplicitAccess())
2559 AddStmt(U->getBase());
2561 void EnqueueVisitor::VisitVAArgExpr(const VAArgExpr *E) {
2562 AddStmt(E->getSubExpr());
2563 AddTypeLoc(E->getWrittenTypeInfo());
2565 void EnqueueVisitor::VisitSizeOfPackExpr(const SizeOfPackExpr *E) {
2566 WL.push_back(SizeOfPackExprParts(E, Parent));
2568 void EnqueueVisitor::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
2569 // If the opaque value has a source expression, just transparently
2570 // visit that. This is useful for (e.g.) pseudo-object expressions.
2571 if (Expr *SourceExpr = E->getSourceExpr())
2572 return Visit(SourceExpr);
2574 void EnqueueVisitor::VisitLambdaExpr(const LambdaExpr *E) {
2575 AddStmt(E->getBody());
2576 WL.push_back(LambdaExprParts(E, Parent));
2578 void EnqueueVisitor::VisitPseudoObjectExpr(const PseudoObjectExpr *E) {
2579 // Treat the expression like its syntactic form.
2580 Visit(E->getSyntacticForm());
2583 void EnqueueVisitor::VisitOMPExecutableDirective(
2584 const OMPExecutableDirective *D) {
2586 for (ArrayRef<OMPClause *>::iterator I = D->clauses().begin(),
2587 E = D->clauses().end();
2589 EnqueueChildren(*I);
2592 void EnqueueVisitor::VisitOMPLoopDirective(const OMPLoopDirective *D) {
2593 VisitOMPExecutableDirective(D);
2596 void EnqueueVisitor::VisitOMPParallelDirective(const OMPParallelDirective *D) {
2597 VisitOMPExecutableDirective(D);
2600 void EnqueueVisitor::VisitOMPSimdDirective(const OMPSimdDirective *D) {
2601 VisitOMPLoopDirective(D);
2604 void EnqueueVisitor::VisitOMPForDirective(const OMPForDirective *D) {
2605 VisitOMPLoopDirective(D);
2608 void EnqueueVisitor::VisitOMPForSimdDirective(const OMPForSimdDirective *D) {
2609 VisitOMPLoopDirective(D);
2612 void EnqueueVisitor::VisitOMPSectionsDirective(const OMPSectionsDirective *D) {
2613 VisitOMPExecutableDirective(D);
2616 void EnqueueVisitor::VisitOMPSectionDirective(const OMPSectionDirective *D) {
2617 VisitOMPExecutableDirective(D);
2620 void EnqueueVisitor::VisitOMPSingleDirective(const OMPSingleDirective *D) {
2621 VisitOMPExecutableDirective(D);
2624 void EnqueueVisitor::VisitOMPMasterDirective(const OMPMasterDirective *D) {
2625 VisitOMPExecutableDirective(D);
2628 void EnqueueVisitor::VisitOMPCriticalDirective(const OMPCriticalDirective *D) {
2629 VisitOMPExecutableDirective(D);
2630 AddDeclarationNameInfo(D);
2634 EnqueueVisitor::VisitOMPParallelForDirective(const OMPParallelForDirective *D) {
2635 VisitOMPLoopDirective(D);
2638 void EnqueueVisitor::VisitOMPParallelForSimdDirective(
2639 const OMPParallelForSimdDirective *D) {
2640 VisitOMPLoopDirective(D);
2643 void EnqueueVisitor::VisitOMPParallelSectionsDirective(
2644 const OMPParallelSectionsDirective *D) {
2645 VisitOMPExecutableDirective(D);
2648 void EnqueueVisitor::VisitOMPTaskDirective(const OMPTaskDirective *D) {
2649 VisitOMPExecutableDirective(D);
2653 EnqueueVisitor::VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D) {
2654 VisitOMPExecutableDirective(D);
2657 void EnqueueVisitor::VisitOMPBarrierDirective(const OMPBarrierDirective *D) {
2658 VisitOMPExecutableDirective(D);
2661 void EnqueueVisitor::VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D) {
2662 VisitOMPExecutableDirective(D);
2665 void EnqueueVisitor::VisitOMPTaskgroupDirective(
2666 const OMPTaskgroupDirective *D) {
2667 VisitOMPExecutableDirective(D);
2670 void EnqueueVisitor::VisitOMPFlushDirective(const OMPFlushDirective *D) {
2671 VisitOMPExecutableDirective(D);
2674 void EnqueueVisitor::VisitOMPOrderedDirective(const OMPOrderedDirective *D) {
2675 VisitOMPExecutableDirective(D);
2678 void EnqueueVisitor::VisitOMPAtomicDirective(const OMPAtomicDirective *D) {
2679 VisitOMPExecutableDirective(D);
2682 void EnqueueVisitor::VisitOMPTargetDirective(const OMPTargetDirective *D) {
2683 VisitOMPExecutableDirective(D);
2686 void EnqueueVisitor::VisitOMPTargetDataDirective(const
2687 OMPTargetDataDirective *D) {
2688 VisitOMPExecutableDirective(D);
2691 void EnqueueVisitor::VisitOMPTargetEnterDataDirective(
2692 const OMPTargetEnterDataDirective *D) {
2693 VisitOMPExecutableDirective(D);
2696 void EnqueueVisitor::VisitOMPTargetExitDataDirective(
2697 const OMPTargetExitDataDirective *D) {
2698 VisitOMPExecutableDirective(D);
2701 void EnqueueVisitor::VisitOMPTargetParallelDirective(
2702 const OMPTargetParallelDirective *D) {
2703 VisitOMPExecutableDirective(D);
2706 void EnqueueVisitor::VisitOMPTargetParallelForDirective(
2707 const OMPTargetParallelForDirective *D) {
2708 VisitOMPLoopDirective(D);
2711 void EnqueueVisitor::VisitOMPTeamsDirective(const OMPTeamsDirective *D) {
2712 VisitOMPExecutableDirective(D);
2715 void EnqueueVisitor::VisitOMPCancellationPointDirective(
2716 const OMPCancellationPointDirective *D) {
2717 VisitOMPExecutableDirective(D);
2720 void EnqueueVisitor::VisitOMPCancelDirective(const OMPCancelDirective *D) {
2721 VisitOMPExecutableDirective(D);
2724 void EnqueueVisitor::VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *D) {
2725 VisitOMPLoopDirective(D);
2728 void EnqueueVisitor::VisitOMPTaskLoopSimdDirective(
2729 const OMPTaskLoopSimdDirective *D) {
2730 VisitOMPLoopDirective(D);
2733 void EnqueueVisitor::VisitOMPDistributeDirective(
2734 const OMPDistributeDirective *D) {
2735 VisitOMPLoopDirective(D);
2738 void EnqueueVisitor::VisitOMPDistributeParallelForDirective(
2739 const OMPDistributeParallelForDirective *D) {
2740 VisitOMPLoopDirective(D);
2743 void EnqueueVisitor::VisitOMPDistributeParallelForSimdDirective(
2744 const OMPDistributeParallelForSimdDirective *D) {
2745 VisitOMPLoopDirective(D);
2748 void EnqueueVisitor::VisitOMPDistributeSimdDirective(
2749 const OMPDistributeSimdDirective *D) {
2750 VisitOMPLoopDirective(D);
2753 void EnqueueVisitor::VisitOMPTargetParallelForSimdDirective(
2754 const OMPTargetParallelForSimdDirective *D) {
2755 VisitOMPLoopDirective(D);
2758 void CursorVisitor::EnqueueWorkList(VisitorWorkList &WL, const Stmt *S) {
2759 EnqueueVisitor(WL, MakeCXCursor(S, StmtParent, TU,RegionOfInterest)).Visit(S);
2762 bool CursorVisitor::IsInRegionOfInterest(CXCursor C) {
2763 if (RegionOfInterest.isValid()) {
2764 SourceRange Range = getRawCursorExtent(C);
2765 if (Range.isInvalid() || CompareRegionOfInterest(Range))
2771 bool CursorVisitor::RunVisitorWorkList(VisitorWorkList &WL) {
2772 while (!WL.empty()) {
2773 // Dequeue the worklist item.
2774 VisitorJob LI = WL.pop_back_val();
2776 // Set the Parent field, then back to its old value once we're done.
2777 SetParentRAII SetParent(Parent, StmtParent, LI.getParent());
2779 switch (LI.getKind()) {
2780 case VisitorJob::DeclVisitKind: {
2781 const Decl *D = cast<DeclVisit>(&LI)->get();
2785 // For now, perform default visitation for Decls.
2786 if (Visit(MakeCXCursor(D, TU, RegionOfInterest,
2787 cast<DeclVisit>(&LI)->isFirst())))
2792 case VisitorJob::ExplicitTemplateArgsVisitKind: {
2793 for (const TemplateArgumentLoc &Arg :
2794 *cast<ExplicitTemplateArgsVisit>(&LI)) {
2795 if (VisitTemplateArgumentLoc(Arg))
2800 case VisitorJob::TypeLocVisitKind: {
2801 // Perform default visitation for TypeLocs.
2802 if (Visit(cast<TypeLocVisit>(&LI)->get()))
2806 case VisitorJob::LabelRefVisitKind: {
2807 const LabelDecl *LS = cast<LabelRefVisit>(&LI)->get();
2808 if (LabelStmt *stmt = LS->getStmt()) {
2809 if (Visit(MakeCursorLabelRef(stmt, cast<LabelRefVisit>(&LI)->getLoc(),
2817 case VisitorJob::NestedNameSpecifierLocVisitKind: {
2818 NestedNameSpecifierLocVisit *V = cast<NestedNameSpecifierLocVisit>(&LI);
2819 if (VisitNestedNameSpecifierLoc(V->get()))
2824 case VisitorJob::DeclarationNameInfoVisitKind: {
2825 if (VisitDeclarationNameInfo(cast<DeclarationNameInfoVisit>(&LI)
2830 case VisitorJob::MemberRefVisitKind: {
2831 MemberRefVisit *V = cast<MemberRefVisit>(&LI);
2832 if (Visit(MakeCursorMemberRef(V->get(), V->getLoc(), TU)))
2836 case VisitorJob::StmtVisitKind: {
2837 const Stmt *S = cast<StmtVisit>(&LI)->get();
2841 // Update the current cursor.
2842 CXCursor Cursor = MakeCXCursor(S, StmtParent, TU, RegionOfInterest);
2843 if (!IsInRegionOfInterest(Cursor))
2845 switch (Visitor(Cursor, Parent, ClientData)) {
2846 case CXChildVisit_Break: return true;
2847 case CXChildVisit_Continue: break;
2848 case CXChildVisit_Recurse:
2849 if (PostChildrenVisitor)
2850 WL.push_back(PostChildrenVisit(nullptr, Cursor));
2851 EnqueueWorkList(WL, S);
2856 case VisitorJob::MemberExprPartsKind: {
2857 // Handle the other pieces in the MemberExpr besides the base.
2858 const MemberExpr *M = cast<MemberExprParts>(&LI)->get();
2860 // Visit the nested-name-specifier
2861 if (NestedNameSpecifierLoc QualifierLoc = M->getQualifierLoc())
2862 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2865 // Visit the declaration name.
2866 if (VisitDeclarationNameInfo(M->getMemberNameInfo()))
2869 // Visit the explicitly-specified template arguments, if any.
2870 if (M->hasExplicitTemplateArgs()) {
2871 for (const TemplateArgumentLoc *Arg = M->getTemplateArgs(),
2872 *ArgEnd = Arg + M->getNumTemplateArgs();
2873 Arg != ArgEnd; ++Arg) {
2874 if (VisitTemplateArgumentLoc(*Arg))
2880 case VisitorJob::DeclRefExprPartsKind: {
2881 const DeclRefExpr *DR = cast<DeclRefExprParts>(&LI)->get();
2882 // Visit nested-name-specifier, if present.
2883 if (NestedNameSpecifierLoc QualifierLoc = DR->getQualifierLoc())
2884 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2886 // Visit declaration name.
2887 if (VisitDeclarationNameInfo(DR->getNameInfo()))
2891 case VisitorJob::OverloadExprPartsKind: {
2892 const OverloadExpr *O = cast<OverloadExprParts>(&LI)->get();
2893 // Visit the nested-name-specifier.
2894 if (NestedNameSpecifierLoc QualifierLoc = O->getQualifierLoc())
2895 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2897 // Visit the declaration name.
2898 if (VisitDeclarationNameInfo(O->getNameInfo()))
2900 // Visit the overloaded declaration reference.
2901 if (Visit(MakeCursorOverloadedDeclRef(O, TU)))
2905 case VisitorJob::SizeOfPackExprPartsKind: {
2906 const SizeOfPackExpr *E = cast<SizeOfPackExprParts>(&LI)->get();
2907 NamedDecl *Pack = E->getPack();
2908 if (isa<TemplateTypeParmDecl>(Pack)) {
2909 if (Visit(MakeCursorTypeRef(cast<TemplateTypeParmDecl>(Pack),
2910 E->getPackLoc(), TU)))
2916 if (isa<TemplateTemplateParmDecl>(Pack)) {
2917 if (Visit(MakeCursorTemplateRef(cast<TemplateTemplateParmDecl>(Pack),
2918 E->getPackLoc(), TU)))
2924 // Non-type template parameter packs and function parameter packs are
2925 // treated like DeclRefExpr cursors.
2929 case VisitorJob::LambdaExprPartsKind: {
2931 const LambdaExpr *E = cast<LambdaExprParts>(&LI)->get();
2932 for (LambdaExpr::capture_iterator C = E->explicit_capture_begin(),
2933 CEnd = E->explicit_capture_end();
2935 // FIXME: Lambda init-captures.
2936 if (!C->capturesVariable())
2939 if (Visit(MakeCursorVariableRef(C->getCapturedVar(),
2945 // Visit parameters and return type, if present.
2946 if (E->hasExplicitParameters() || E->hasExplicitResultType()) {
2947 TypeLoc TL = E->getCallOperator()->getTypeSourceInfo()->getTypeLoc();
2948 if (E->hasExplicitParameters() && E->hasExplicitResultType()) {
2949 // Visit the whole type.
2952 } else if (FunctionProtoTypeLoc Proto =
2953 TL.getAs<FunctionProtoTypeLoc>()) {
2954 if (E->hasExplicitParameters()) {
2955 // Visit parameters.
2956 for (unsigned I = 0, N = Proto.getNumParams(); I != N; ++I)
2957 if (Visit(MakeCXCursor(Proto.getParam(I), TU)))
2960 // Visit result type.
2961 if (Visit(Proto.getReturnLoc()))
2969 case VisitorJob::PostChildrenVisitKind:
2970 if (PostChildrenVisitor(Parent, ClientData))
2978 bool CursorVisitor::Visit(const Stmt *S) {
2979 VisitorWorkList *WL = nullptr;
2980 if (!WorkListFreeList.empty()) {
2981 WL = WorkListFreeList.back();
2983 WorkListFreeList.pop_back();
2986 WL = new VisitorWorkList();
2987 WorkListCache.push_back(WL);
2989 EnqueueWorkList(*WL, S);
2990 bool result = RunVisitorWorkList(*WL);
2991 WorkListFreeList.push_back(WL);
2996 typedef SmallVector<SourceRange, 4> RefNamePieces;
2997 RefNamePieces buildPieces(unsigned NameFlags, bool IsMemberRefExpr,
2998 const DeclarationNameInfo &NI, SourceRange QLoc,
2999 const SourceRange *TemplateArgsLoc = nullptr) {
3000 const bool WantQualifier = NameFlags & CXNameRange_WantQualifier;
3001 const bool WantTemplateArgs = NameFlags & CXNameRange_WantTemplateArgs;
3002 const bool WantSinglePiece = NameFlags & CXNameRange_WantSinglePiece;
3004 const DeclarationName::NameKind Kind = NI.getName().getNameKind();
3006 RefNamePieces Pieces;
3008 if (WantQualifier && QLoc.isValid())
3009 Pieces.push_back(QLoc);
3011 if (Kind != DeclarationName::CXXOperatorName || IsMemberRefExpr)
3012 Pieces.push_back(NI.getLoc());
3014 if (WantTemplateArgs && TemplateArgsLoc && TemplateArgsLoc->isValid())
3015 Pieces.push_back(*TemplateArgsLoc);
3017 if (Kind == DeclarationName::CXXOperatorName) {
3018 Pieces.push_back(SourceLocation::getFromRawEncoding(
3019 NI.getInfo().CXXOperatorName.BeginOpNameLoc));
3020 Pieces.push_back(SourceLocation::getFromRawEncoding(
3021 NI.getInfo().CXXOperatorName.EndOpNameLoc));
3024 if (WantSinglePiece) {
3025 SourceRange R(Pieces.front().getBegin(), Pieces.back().getEnd());
3027 Pieces.push_back(R);
3034 //===----------------------------------------------------------------------===//
3036 //===----------------------------------------------------------------------===//
3038 static void fatal_error_handler(void *user_data, const std::string& reason,
3039 bool gen_crash_diag) {
3040 // Write the result out to stderr avoiding errs() because raw_ostreams can
3041 // call report_fatal_error.
3042 fprintf(stderr, "LIBCLANG FATAL ERROR: %s\n", reason.c_str());
3047 struct RegisterFatalErrorHandler {
3048 RegisterFatalErrorHandler() {
3049 llvm::install_fatal_error_handler(fatal_error_handler, nullptr);
3054 static llvm::ManagedStatic<RegisterFatalErrorHandler> RegisterFatalErrorHandlerOnce;
3057 CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
3058 int displayDiagnostics) {
3059 // We use crash recovery to make some of our APIs more reliable, implicitly
3061 if (!getenv("LIBCLANG_DISABLE_CRASH_RECOVERY"))
3062 llvm::CrashRecoveryContext::Enable();
3064 // Look through the managed static to trigger construction of the managed
3065 // static which registers our fatal error handler. This ensures it is only
3067 (void)*RegisterFatalErrorHandlerOnce;
3069 // Initialize targets for clang module support.
3070 llvm::InitializeAllTargets();
3071 llvm::InitializeAllTargetMCs();
3072 llvm::InitializeAllAsmPrinters();
3073 llvm::InitializeAllAsmParsers();
3075 CIndexer *CIdxr = new CIndexer();
3077 if (excludeDeclarationsFromPCH)
3078 CIdxr->setOnlyLocalDecls();
3079 if (displayDiagnostics)
3080 CIdxr->setDisplayDiagnostics();
3082 if (getenv("LIBCLANG_BGPRIO_INDEX"))
3083 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
3084 CXGlobalOpt_ThreadBackgroundPriorityForIndexing);
3085 if (getenv("LIBCLANG_BGPRIO_EDIT"))
3086 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
3087 CXGlobalOpt_ThreadBackgroundPriorityForEditing);
3092 void clang_disposeIndex(CXIndex CIdx) {
3094 delete static_cast<CIndexer *>(CIdx);
3097 void clang_CXIndex_setGlobalOptions(CXIndex CIdx, unsigned options) {
3099 static_cast<CIndexer *>(CIdx)->setCXGlobalOptFlags(options);
3102 unsigned clang_CXIndex_getGlobalOptions(CXIndex CIdx) {
3104 return static_cast<CIndexer *>(CIdx)->getCXGlobalOptFlags();
3108 void clang_toggleCrashRecovery(unsigned isEnabled) {
3110 llvm::CrashRecoveryContext::Enable();
3112 llvm::CrashRecoveryContext::Disable();
3115 CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
3116 const char *ast_filename) {
3117 CXTranslationUnit TU;
3118 enum CXErrorCode Result =
3119 clang_createTranslationUnit2(CIdx, ast_filename, &TU);
3121 assert((TU && Result == CXError_Success) ||
3122 (!TU && Result != CXError_Success));
3126 enum CXErrorCode clang_createTranslationUnit2(CXIndex CIdx,
3127 const char *ast_filename,
3128 CXTranslationUnit *out_TU) {
3132 if (!CIdx || !ast_filename || !out_TU)
3133 return CXError_InvalidArguments;
3136 *Log << ast_filename;
3139 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3140 FileSystemOptions FileSystemOpts;
3142 IntrusiveRefCntPtr<DiagnosticsEngine> Diags =
3143 CompilerInstance::createDiagnostics(new DiagnosticOptions());
3144 std::unique_ptr<ASTUnit> AU = ASTUnit::LoadFromASTFile(
3145 ast_filename, CXXIdx->getPCHContainerOperations()->getRawReader(), Diags,
3146 FileSystemOpts, /*UseDebugInfo=*/false,
3147 CXXIdx->getOnlyLocalDecls(), None,
3148 /*CaptureDiagnostics=*/true,
3149 /*AllowPCHWithCompilerErrors=*/true,
3150 /*UserFilesAreVolatile=*/true);
3151 *out_TU = MakeCXTranslationUnit(CXXIdx, AU.release());
3152 return *out_TU ? CXError_Success : CXError_Failure;
3155 unsigned clang_defaultEditingTranslationUnitOptions() {
3156 return CXTranslationUnit_PrecompiledPreamble |
3157 CXTranslationUnit_CacheCompletionResults;
3161 clang_createTranslationUnitFromSourceFile(CXIndex CIdx,
3162 const char *source_filename,
3163 int num_command_line_args,
3164 const char * const *command_line_args,
3165 unsigned num_unsaved_files,
3166 struct CXUnsavedFile *unsaved_files) {
3167 unsigned Options = CXTranslationUnit_DetailedPreprocessingRecord;
3168 return clang_parseTranslationUnit(CIdx, source_filename,
3169 command_line_args, num_command_line_args,
3170 unsaved_files, num_unsaved_files,
3175 clang_parseTranslationUnit_Impl(CXIndex CIdx, const char *source_filename,
3176 const char *const *command_line_args,
3177 int num_command_line_args,
3178 ArrayRef<CXUnsavedFile> unsaved_files,
3179 unsigned options, CXTranslationUnit *out_TU) {
3180 // Set up the initial return values.
3185 if (!CIdx || !out_TU)
3186 return CXError_InvalidArguments;
3188 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3190 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3191 setThreadBackgroundPriority();
3193 bool PrecompilePreamble = options & CXTranslationUnit_PrecompiledPreamble;
3194 bool CreatePreambleOnFirstParse =
3195 options & CXTranslationUnit_CreatePreambleOnFirstParse;
3196 // FIXME: Add a flag for modules.
3197 TranslationUnitKind TUKind
3198 = (options & CXTranslationUnit_Incomplete)? TU_Prefix : TU_Complete;
3199 bool CacheCodeCompletionResults
3200 = options & CXTranslationUnit_CacheCompletionResults;
3201 bool IncludeBriefCommentsInCodeCompletion
3202 = options & CXTranslationUnit_IncludeBriefCommentsInCodeCompletion;
3203 bool SkipFunctionBodies = options & CXTranslationUnit_SkipFunctionBodies;
3204 bool ForSerialization = options & CXTranslationUnit_ForSerialization;
3206 // Configure the diagnostics.
3207 IntrusiveRefCntPtr<DiagnosticsEngine>
3208 Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions));
3210 if (options & CXTranslationUnit_KeepGoing)
3211 Diags->setFatalsAsError(true);
3213 // Recover resources if we crash before exiting this function.
3214 llvm::CrashRecoveryContextCleanupRegistrar<DiagnosticsEngine,
3215 llvm::CrashRecoveryContextReleaseRefCleanup<DiagnosticsEngine> >
3216 DiagCleanup(Diags.get());
3218 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3219 new std::vector<ASTUnit::RemappedFile>());
3221 // Recover resources if we crash before exiting this function.
3222 llvm::CrashRecoveryContextCleanupRegistrar<
3223 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3225 for (auto &UF : unsaved_files) {
3226 std::unique_ptr<llvm::MemoryBuffer> MB =
3227 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3228 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3231 std::unique_ptr<std::vector<const char *>> Args(
3232 new std::vector<const char *>());
3234 // Recover resources if we crash before exiting this method.
3235 llvm::CrashRecoveryContextCleanupRegistrar<std::vector<const char*> >
3236 ArgsCleanup(Args.get());
3238 // Since the Clang C library is primarily used by batch tools dealing with
3239 // (often very broken) source code, where spell-checking can have a
3240 // significant negative impact on performance (particularly when
3241 // precompiled headers are involved), we disable it by default.
3242 // Only do this if we haven't found a spell-checking-related argument.
3243 bool FoundSpellCheckingArgument = false;
3244 for (int I = 0; I != num_command_line_args; ++I) {
3245 if (strcmp(command_line_args[I], "-fno-spell-checking") == 0 ||
3246 strcmp(command_line_args[I], "-fspell-checking") == 0) {
3247 FoundSpellCheckingArgument = true;
3251 Args->insert(Args->end(), command_line_args,
3252 command_line_args + num_command_line_args);
3254 if (!FoundSpellCheckingArgument)
3255 Args->insert(Args->begin() + 1, "-fno-spell-checking");
3257 // The 'source_filename' argument is optional. If the caller does not
3258 // specify it then it is assumed that the source file is specified
3259 // in the actual argument list.
3260 // Put the source file after command_line_args otherwise if '-x' flag is
3261 // present it will be unused.
3262 if (source_filename)
3263 Args->push_back(source_filename);
3265 // Do we need the detailed preprocessing record?
3266 if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
3267 Args->push_back("-Xclang");
3268 Args->push_back("-detailed-preprocessing-record");
3271 unsigned NumErrors = Diags->getClient()->getNumErrors();
3272 std::unique_ptr<ASTUnit> ErrUnit;
3273 // Unless the user specified that they want the preamble on the first parse
3274 // set it up to be created on the first reparse. This makes the first parse
3275 // faster, trading for a slower (first) reparse.
3276 unsigned PrecompilePreambleAfterNParses =
3277 !PrecompilePreamble ? 0 : 2 - CreatePreambleOnFirstParse;
3278 std::unique_ptr<ASTUnit> Unit(ASTUnit::LoadFromCommandLine(
3279 Args->data(), Args->data() + Args->size(),
3280 CXXIdx->getPCHContainerOperations(), Diags,
3281 CXXIdx->getClangResourcesPath(), CXXIdx->getOnlyLocalDecls(),
3282 /*CaptureDiagnostics=*/true, *RemappedFiles.get(),
3283 /*RemappedFilesKeepOriginalName=*/true, PrecompilePreambleAfterNParses,
3284 TUKind, CacheCodeCompletionResults, IncludeBriefCommentsInCodeCompletion,
3285 /*AllowPCHWithCompilerErrors=*/true, SkipFunctionBodies,
3286 /*UserFilesAreVolatile=*/true, ForSerialization,
3287 CXXIdx->getPCHContainerOperations()->getRawReader().getFormat(),
3290 // Early failures in LoadFromCommandLine may return with ErrUnit unset.
3291 if (!Unit && !ErrUnit)
3292 return CXError_ASTReadError;
3294 if (NumErrors != Diags->getClient()->getNumErrors()) {
3295 // Make sure to check that 'Unit' is non-NULL.
3296 if (CXXIdx->getDisplayDiagnostics())
3297 printDiagsToStderr(Unit ? Unit.get() : ErrUnit.get());
3300 if (isASTReadError(Unit ? Unit.get() : ErrUnit.get()))
3301 return CXError_ASTReadError;
3303 *out_TU = MakeCXTranslationUnit(CXXIdx, Unit.release());
3304 return *out_TU ? CXError_Success : CXError_Failure;
3308 clang_parseTranslationUnit(CXIndex CIdx,
3309 const char *source_filename,
3310 const char *const *command_line_args,
3311 int num_command_line_args,
3312 struct CXUnsavedFile *unsaved_files,
3313 unsigned num_unsaved_files,
3315 CXTranslationUnit TU;
3316 enum CXErrorCode Result = clang_parseTranslationUnit2(
3317 CIdx, source_filename, command_line_args, num_command_line_args,
3318 unsaved_files, num_unsaved_files, options, &TU);
3320 assert((TU && Result == CXError_Success) ||
3321 (!TU && Result != CXError_Success));
3325 enum CXErrorCode clang_parseTranslationUnit2(
3326 CXIndex CIdx, const char *source_filename,
3327 const char *const *command_line_args, int num_command_line_args,
3328 struct CXUnsavedFile *unsaved_files, unsigned num_unsaved_files,
3329 unsigned options, CXTranslationUnit *out_TU) {
3330 SmallVector<const char *, 4> Args;
3331 Args.push_back("clang");
3332 Args.append(command_line_args, command_line_args + num_command_line_args);
3333 return clang_parseTranslationUnit2FullArgv(
3334 CIdx, source_filename, Args.data(), Args.size(), unsaved_files,
3335 num_unsaved_files, options, out_TU);
3338 enum CXErrorCode clang_parseTranslationUnit2FullArgv(
3339 CXIndex CIdx, const char *source_filename,
3340 const char *const *command_line_args, int num_command_line_args,
3341 struct CXUnsavedFile *unsaved_files, unsigned num_unsaved_files,
3342 unsigned options, CXTranslationUnit *out_TU) {
3344 *Log << source_filename << ": ";
3345 for (int i = 0; i != num_command_line_args; ++i)
3346 *Log << command_line_args[i] << " ";
3349 if (num_unsaved_files && !unsaved_files)
3350 return CXError_InvalidArguments;
3352 CXErrorCode result = CXError_Failure;
3353 auto ParseTranslationUnitImpl = [=, &result] {
3354 result = clang_parseTranslationUnit_Impl(
3355 CIdx, source_filename, command_line_args, num_command_line_args,
3356 llvm::makeArrayRef(unsaved_files, num_unsaved_files), options, out_TU);
3358 llvm::CrashRecoveryContext CRC;
3360 if (!RunSafely(CRC, ParseTranslationUnitImpl)) {
3361 fprintf(stderr, "libclang: crash detected during parsing: {\n");
3362 fprintf(stderr, " 'source_filename' : '%s'\n", source_filename);
3363 fprintf(stderr, " 'command_line_args' : [");
3364 for (int i = 0; i != num_command_line_args; ++i) {
3366 fprintf(stderr, ", ");
3367 fprintf(stderr, "'%s'", command_line_args[i]);
3369 fprintf(stderr, "],\n");
3370 fprintf(stderr, " 'unsaved_files' : [");
3371 for (unsigned i = 0; i != num_unsaved_files; ++i) {
3373 fprintf(stderr, ", ");
3374 fprintf(stderr, "('%s', '...', %ld)", unsaved_files[i].Filename,
3375 unsaved_files[i].Length);
3377 fprintf(stderr, "],\n");
3378 fprintf(stderr, " 'options' : %d,\n", options);
3379 fprintf(stderr, "}\n");
3381 return CXError_Crashed;
3382 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3383 if (CXTranslationUnit *TU = out_TU)
3384 PrintLibclangResourceUsage(*TU);
3390 CXString clang_Type_getObjCEncoding(CXType CT) {
3391 CXTranslationUnit tu = static_cast<CXTranslationUnit>(CT.data[1]);
3392 ASTContext &Ctx = getASTUnit(tu)->getASTContext();
3393 std::string encoding;
3394 Ctx.getObjCEncodingForType(QualType::getFromOpaquePtr(CT.data[0]),
3397 return cxstring::createDup(encoding);
3400 static const IdentifierInfo *getMacroIdentifier(CXCursor C) {
3401 if (C.kind == CXCursor_MacroDefinition) {
3402 if (const MacroDefinitionRecord *MDR = getCursorMacroDefinition(C))
3403 return MDR->getName();
3404 } else if (C.kind == CXCursor_MacroExpansion) {
3405 MacroExpansionCursor ME = getCursorMacroExpansion(C);
3406 return ME.getName();
3411 unsigned clang_Cursor_isMacroFunctionLike(CXCursor C) {
3412 const IdentifierInfo *II = getMacroIdentifier(C);
3416 ASTUnit *ASTU = getCursorASTUnit(C);
3417 Preprocessor &PP = ASTU->getPreprocessor();
3418 if (const MacroInfo *MI = PP.getMacroInfo(II))
3419 return MI->isFunctionLike();
3423 unsigned clang_Cursor_isMacroBuiltin(CXCursor C) {
3424 const IdentifierInfo *II = getMacroIdentifier(C);
3428 ASTUnit *ASTU = getCursorASTUnit(C);
3429 Preprocessor &PP = ASTU->getPreprocessor();
3430 if (const MacroInfo *MI = PP.getMacroInfo(II))
3431 return MI->isBuiltinMacro();
3435 unsigned clang_Cursor_isFunctionInlined(CXCursor C) {
3436 const Decl *D = getCursorDecl(C);
3437 const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D);
3441 return FD->isInlined();
3444 static StringLiteral* getCFSTR_value(CallExpr *callExpr) {
3445 if (callExpr->getNumArgs() != 1) {
3449 StringLiteral *S = nullptr;
3450 auto *arg = callExpr->getArg(0);
3451 if (arg->getStmtClass() == Stmt::ImplicitCastExprClass) {
3452 ImplicitCastExpr *I = static_cast<ImplicitCastExpr *>(arg);
3453 auto *subExpr = I->getSubExprAsWritten();
3455 if(subExpr->getStmtClass() != Stmt::StringLiteralClass){
3459 S = static_cast<StringLiteral *>(I->getSubExprAsWritten());
3460 } else if (arg->getStmtClass() == Stmt::StringLiteralClass) {
3461 S = static_cast<StringLiteral *>(callExpr->getArg(0));
3468 struct ExprEvalResult {
3469 CXEvalResultKind EvalType;
3476 if (EvalType != CXEval_UnExposed && EvalType != CXEval_Float &&
3477 EvalType != CXEval_Int) {
3478 delete EvalData.stringVal;
3483 void clang_EvalResult_dispose(CXEvalResult E) {
3484 delete static_cast<ExprEvalResult *>(E);
3487 CXEvalResultKind clang_EvalResult_getKind(CXEvalResult E) {
3489 return CXEval_UnExposed;
3491 return ((ExprEvalResult *)E)->EvalType;
3494 int clang_EvalResult_getAsInt(CXEvalResult E) {
3498 return ((ExprEvalResult *)E)->EvalData.intVal;
3501 double clang_EvalResult_getAsDouble(CXEvalResult E) {
3505 return ((ExprEvalResult *)E)->EvalData.floatVal;
3508 const char* clang_EvalResult_getAsStr(CXEvalResult E) {
3512 return ((ExprEvalResult *)E)->EvalData.stringVal;
3515 static const ExprEvalResult* evaluateExpr(Expr *expr, CXCursor C) {
3516 Expr::EvalResult ER;
3517 ASTContext &ctx = getCursorContext(C);
3521 expr = expr->IgnoreParens();
3522 if (!expr->EvaluateAsRValue(ER, ctx))
3527 auto result = llvm::make_unique<ExprEvalResult>();
3528 result->EvalType = CXEval_UnExposed;
3530 if (ER.Val.isInt()) {
3531 result->EvalType = CXEval_Int;
3532 result->EvalData.intVal = ER.Val.getInt().getExtValue();
3533 return result.release();
3536 if (ER.Val.isFloat()) {
3537 llvm::SmallVector<char, 100> Buffer;
3538 ER.Val.getFloat().toString(Buffer);
3539 std::string floatStr(Buffer.data(), Buffer.size());
3540 result->EvalType = CXEval_Float;
3542 llvm::APFloat apFloat = ER.Val.getFloat();
3543 apFloat.convert(llvm::APFloat::IEEEdouble,
3544 llvm::APFloat::rmNearestTiesToEven, &ignored);
3545 result->EvalData.floatVal = apFloat.convertToDouble();
3546 return result.release();
3549 if (expr->getStmtClass() == Stmt::ImplicitCastExprClass) {
3550 const ImplicitCastExpr *I = dyn_cast<ImplicitCastExpr>(expr);
3551 auto *subExpr = I->getSubExprAsWritten();
3552 if (subExpr->getStmtClass() == Stmt::StringLiteralClass ||
3553 subExpr->getStmtClass() == Stmt::ObjCStringLiteralClass) {
3554 const StringLiteral *StrE = nullptr;
3555 const ObjCStringLiteral *ObjCExpr;
3556 ObjCExpr = dyn_cast<ObjCStringLiteral>(subExpr);
3559 StrE = ObjCExpr->getString();
3560 result->EvalType = CXEval_ObjCStrLiteral;
3562 StrE = cast<StringLiteral>(I->getSubExprAsWritten());
3563 result->EvalType = CXEval_StrLiteral;
3566 std::string strRef(StrE->getString().str());
3567 result->EvalData.stringVal = new char[strRef.size() + 1];
3568 strncpy((char *)result->EvalData.stringVal, strRef.c_str(),
3570 result->EvalData.stringVal[strRef.size()] = '\0';
3571 return result.release();
3573 } else if (expr->getStmtClass() == Stmt::ObjCStringLiteralClass ||
3574 expr->getStmtClass() == Stmt::StringLiteralClass) {
3575 const StringLiteral *StrE = nullptr;
3576 const ObjCStringLiteral *ObjCExpr;
3577 ObjCExpr = dyn_cast<ObjCStringLiteral>(expr);
3580 StrE = ObjCExpr->getString();
3581 result->EvalType = CXEval_ObjCStrLiteral;
3583 StrE = cast<StringLiteral>(expr);
3584 result->EvalType = CXEval_StrLiteral;
3587 std::string strRef(StrE->getString().str());
3588 result->EvalData.stringVal = new char[strRef.size() + 1];
3589 strncpy((char *)result->EvalData.stringVal, strRef.c_str(), strRef.size());
3590 result->EvalData.stringVal[strRef.size()] = '\0';
3591 return result.release();
3594 if (expr->getStmtClass() == Stmt::CStyleCastExprClass) {
3595 CStyleCastExpr *CC = static_cast<CStyleCastExpr *>(expr);
3597 rettype = CC->getType();
3598 if (rettype.getAsString() == "CFStringRef" &&
3599 CC->getSubExpr()->getStmtClass() == Stmt::CallExprClass) {
3601 callExpr = static_cast<CallExpr *>(CC->getSubExpr());
3602 StringLiteral *S = getCFSTR_value(callExpr);
3604 std::string strLiteral(S->getString().str());
3605 result->EvalType = CXEval_CFStr;
3607 result->EvalData.stringVal = new char[strLiteral.size() + 1];
3608 strncpy((char *)result->EvalData.stringVal, strLiteral.c_str(),
3610 result->EvalData.stringVal[strLiteral.size()] = '\0';
3611 return result.release();
3615 } else if (expr->getStmtClass() == Stmt::CallExprClass) {
3616 callExpr = static_cast<CallExpr *>(expr);
3617 rettype = callExpr->getCallReturnType(ctx);
3619 if (rettype->isVectorType() || callExpr->getNumArgs() > 1)
3622 if (rettype->isIntegralType(ctx) || rettype->isRealFloatingType()) {
3623 if (callExpr->getNumArgs() == 1 &&
3624 !callExpr->getArg(0)->getType()->isIntegralType(ctx))
3626 } else if (rettype.getAsString() == "CFStringRef") {
3628 StringLiteral *S = getCFSTR_value(callExpr);
3630 std::string strLiteral(S->getString().str());
3631 result->EvalType = CXEval_CFStr;
3632 result->EvalData.stringVal = new char[strLiteral.size() + 1];
3633 strncpy((char *)result->EvalData.stringVal, strLiteral.c_str(),
3635 result->EvalData.stringVal[strLiteral.size()] = '\0';
3636 return result.release();
3639 } else if (expr->getStmtClass() == Stmt::DeclRefExprClass) {
3640 DeclRefExpr *D = static_cast<DeclRefExpr *>(expr);
3641 ValueDecl *V = D->getDecl();
3642 if (V->getKind() == Decl::Function) {
3643 std::string strName = V->getNameAsString();
3644 result->EvalType = CXEval_Other;
3645 result->EvalData.stringVal = new char[strName.size() + 1];
3646 strncpy(result->EvalData.stringVal, strName.c_str(), strName.size());
3647 result->EvalData.stringVal[strName.size()] = '\0';
3648 return result.release();
3655 CXEvalResult clang_Cursor_Evaluate(CXCursor C) {
3656 const Decl *D = getCursorDecl(C);
3658 const Expr *expr = nullptr;
3659 if (auto *Var = dyn_cast<VarDecl>(D)) {
3660 expr = Var->getInit();
3661 } else if (auto *Field = dyn_cast<FieldDecl>(D)) {
3662 expr = Field->getInClassInitializer();
3665 return const_cast<CXEvalResult>(reinterpret_cast<const void *>(
3666 evaluateExpr(const_cast<Expr *>(expr), C)));
3670 const CompoundStmt *compoundStmt = dyn_cast_or_null<CompoundStmt>(getCursorStmt(C));
3672 Expr *expr = nullptr;
3673 for (auto *bodyIterator : compoundStmt->body()) {
3674 if ((expr = dyn_cast<Expr>(bodyIterator))) {
3679 return const_cast<CXEvalResult>(
3680 reinterpret_cast<const void *>(evaluateExpr(expr, C)));
3685 unsigned clang_Cursor_hasAttrs(CXCursor C) {
3686 const Decl *D = getCursorDecl(C);
3691 if (D->hasAttrs()) {
3697 unsigned clang_defaultSaveOptions(CXTranslationUnit TU) {
3698 return CXSaveTranslationUnit_None;
3701 static CXSaveError clang_saveTranslationUnit_Impl(CXTranslationUnit TU,
3702 const char *FileName,
3704 CIndexer *CXXIdx = TU->CIdx;
3705 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3706 setThreadBackgroundPriority();
3708 bool hadError = cxtu::getASTUnit(TU)->Save(FileName);
3709 return hadError ? CXSaveError_Unknown : CXSaveError_None;
3712 int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
3715 *Log << TU << ' ' << FileName;
3718 if (isNotUsableTU(TU)) {
3720 return CXSaveError_InvalidTU;
3723 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3724 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3725 if (!CXXUnit->hasSema())
3726 return CXSaveError_InvalidTU;
3729 auto SaveTranslationUnitImpl = [=, &result]() {
3730 result = clang_saveTranslationUnit_Impl(TU, FileName, options);
3733 if (!CXXUnit->getDiagnostics().hasUnrecoverableErrorOccurred() ||
3734 getenv("LIBCLANG_NOTHREADS")) {
3735 SaveTranslationUnitImpl();
3737 if (getenv("LIBCLANG_RESOURCE_USAGE"))
3738 PrintLibclangResourceUsage(TU);
3743 // We have an AST that has invalid nodes due to compiler errors.
3744 // Use a crash recovery thread for protection.
3746 llvm::CrashRecoveryContext CRC;
3748 if (!RunSafely(CRC, SaveTranslationUnitImpl)) {
3749 fprintf(stderr, "libclang: crash detected during AST saving: {\n");
3750 fprintf(stderr, " 'filename' : '%s'\n", FileName);
3751 fprintf(stderr, " 'options' : %d,\n", options);
3752 fprintf(stderr, "}\n");
3754 return CXSaveError_Unknown;
3756 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3757 PrintLibclangResourceUsage(TU);
3763 void clang_disposeTranslationUnit(CXTranslationUnit CTUnit) {
3765 // If the translation unit has been marked as unsafe to free, just discard
3767 ASTUnit *Unit = cxtu::getASTUnit(CTUnit);
3768 if (Unit && Unit->isUnsafeToFree())
3771 delete cxtu::getASTUnit(CTUnit);
3772 delete CTUnit->StringPool;
3773 delete static_cast<CXDiagnosticSetImpl *>(CTUnit->Diagnostics);
3774 disposeOverridenCXCursorsPool(CTUnit->OverridenCursorsPool);
3775 delete CTUnit->CommentToXML;
3780 unsigned clang_defaultReparseOptions(CXTranslationUnit TU) {
3781 return CXReparse_None;
3785 clang_reparseTranslationUnit_Impl(CXTranslationUnit TU,
3786 ArrayRef<CXUnsavedFile> unsaved_files,
3789 if (isNotUsableTU(TU)) {
3791 return CXError_InvalidArguments;
3794 // Reset the associated diagnostics.
3795 delete static_cast<CXDiagnosticSetImpl*>(TU->Diagnostics);
3796 TU->Diagnostics = nullptr;
3798 CIndexer *CXXIdx = TU->CIdx;
3799 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
3800 setThreadBackgroundPriority();
3802 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3803 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3805 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3806 new std::vector<ASTUnit::RemappedFile>());
3808 // Recover resources if we crash before exiting this function.
3809 llvm::CrashRecoveryContextCleanupRegistrar<
3810 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3812 for (auto &UF : unsaved_files) {
3813 std::unique_ptr<llvm::MemoryBuffer> MB =
3814 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3815 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3818 if (!CXXUnit->Reparse(CXXIdx->getPCHContainerOperations(),
3819 *RemappedFiles.get()))
3820 return CXError_Success;
3821 if (isASTReadError(CXXUnit))
3822 return CXError_ASTReadError;
3823 return CXError_Failure;
3826 int clang_reparseTranslationUnit(CXTranslationUnit TU,
3827 unsigned num_unsaved_files,
3828 struct CXUnsavedFile *unsaved_files,
3834 if (num_unsaved_files && !unsaved_files)
3835 return CXError_InvalidArguments;
3838 auto ReparseTranslationUnitImpl = [=, &result]() {
3839 result = clang_reparseTranslationUnit_Impl(
3840 TU, llvm::makeArrayRef(unsaved_files, num_unsaved_files), options);
3843 if (getenv("LIBCLANG_NOTHREADS")) {
3844 ReparseTranslationUnitImpl();
3848 llvm::CrashRecoveryContext CRC;
3850 if (!RunSafely(CRC, ReparseTranslationUnitImpl)) {
3851 fprintf(stderr, "libclang: crash detected during reparsing\n");
3852 cxtu::getASTUnit(TU)->setUnsafeToFree(true);
3853 return CXError_Crashed;
3854 } else if (getenv("LIBCLANG_RESOURCE_USAGE"))
3855 PrintLibclangResourceUsage(TU);
3861 CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
3862 if (isNotUsableTU(CTUnit)) {
3864 return cxstring::createEmpty();
3867 ASTUnit *CXXUnit = cxtu::getASTUnit(CTUnit);
3868 return cxstring::createDup(CXXUnit->getOriginalSourceFileName());
3871 CXCursor clang_getTranslationUnitCursor(CXTranslationUnit TU) {
3872 if (isNotUsableTU(TU)) {
3874 return clang_getNullCursor();
3877 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3878 return MakeCXCursor(CXXUnit->getASTContext().getTranslationUnitDecl(), TU);
3881 } // end: extern "C"
3883 //===----------------------------------------------------------------------===//
3884 // CXFile Operations.
3885 //===----------------------------------------------------------------------===//
3888 CXString clang_getFileName(CXFile SFile) {
3890 return cxstring::createNull();
3892 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3893 return cxstring::createRef(FEnt->getName());
3896 time_t clang_getFileTime(CXFile SFile) {
3900 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3901 return FEnt->getModificationTime();
3904 CXFile clang_getFile(CXTranslationUnit TU, const char *file_name) {
3905 if (isNotUsableTU(TU)) {
3910 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3912 FileManager &FMgr = CXXUnit->getFileManager();
3913 return const_cast<FileEntry *>(FMgr.getFile(file_name));
3916 unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit TU,
3918 if (isNotUsableTU(TU)) {
3926 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3927 FileEntry *FEnt = static_cast<FileEntry *>(file);
3928 return CXXUnit->getPreprocessor().getHeaderSearchInfo()
3929 .isFileMultipleIncludeGuarded(FEnt);
3932 int clang_getFileUniqueID(CXFile file, CXFileUniqueID *outID) {
3933 if (!file || !outID)
3936 FileEntry *FEnt = static_cast<FileEntry *>(file);
3937 const llvm::sys::fs::UniqueID &ID = FEnt->getUniqueID();
3938 outID->data[0] = ID.getDevice();
3939 outID->data[1] = ID.getFile();
3940 outID->data[2] = FEnt->getModificationTime();
3944 int clang_File_isEqual(CXFile file1, CXFile file2) {
3948 if (!file1 || !file2)
3951 FileEntry *FEnt1 = static_cast<FileEntry *>(file1);
3952 FileEntry *FEnt2 = static_cast<FileEntry *>(file2);
3953 return FEnt1->getUniqueID() == FEnt2->getUniqueID();
3956 } // end: extern "C"
3958 //===----------------------------------------------------------------------===//
3959 // CXCursor Operations.
3960 //===----------------------------------------------------------------------===//
3962 static const Decl *getDeclFromExpr(const Stmt *E) {
3963 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3964 return getDeclFromExpr(CE->getSubExpr());
3966 if (const DeclRefExpr *RefExpr = dyn_cast<DeclRefExpr>(E))
3967 return RefExpr->getDecl();
3968 if (const MemberExpr *ME = dyn_cast<MemberExpr>(E))
3969 return ME->getMemberDecl();
3970 if (const ObjCIvarRefExpr *RE = dyn_cast<ObjCIvarRefExpr>(E))
3971 return RE->getDecl();
3972 if (const ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(E)) {
3973 if (PRE->isExplicitProperty())
3974 return PRE->getExplicitProperty();
3975 // It could be messaging both getter and setter as in:
3977 // in which case prefer to associate the setter since it is less obvious
3978 // from inspecting the source that the setter is going to get called.
3979 if (PRE->isMessagingSetter())
3980 return PRE->getImplicitPropertySetter();
3981 return PRE->getImplicitPropertyGetter();
3983 if (const PseudoObjectExpr *POE = dyn_cast<PseudoObjectExpr>(E))
3984 return getDeclFromExpr(POE->getSyntacticForm());
3985 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E))
3986 if (Expr *Src = OVE->getSourceExpr())
3987 return getDeclFromExpr(Src);
3989 if (const CallExpr *CE = dyn_cast<CallExpr>(E))
3990 return getDeclFromExpr(CE->getCallee());
3991 if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E))
3992 if (!CE->isElidable())
3993 return CE->getConstructor();
3994 if (const CXXInheritedCtorInitExpr *CE =
3995 dyn_cast<CXXInheritedCtorInitExpr>(E))
3996 return CE->getConstructor();
3997 if (const ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(E))
3998 return OME->getMethodDecl();
4000 if (const ObjCProtocolExpr *PE = dyn_cast<ObjCProtocolExpr>(E))
4001 return PE->getProtocol();
4002 if (const SubstNonTypeTemplateParmPackExpr *NTTP
4003 = dyn_cast<SubstNonTypeTemplateParmPackExpr>(E))
4004 return NTTP->getParameterPack();
4005 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
4006 if (isa<NonTypeTemplateParmDecl>(SizeOfPack->getPack()) ||
4007 isa<ParmVarDecl>(SizeOfPack->getPack()))
4008 return SizeOfPack->getPack();
4013 static SourceLocation getLocationFromExpr(const Expr *E) {
4014 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
4015 return getLocationFromExpr(CE->getSubExpr());
4017 if (const ObjCMessageExpr *Msg = dyn_cast<ObjCMessageExpr>(E))
4018 return /*FIXME:*/Msg->getLeftLoc();
4019 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E))
4020 return DRE->getLocation();
4021 if (const MemberExpr *Member = dyn_cast<MemberExpr>(E))
4022 return Member->getMemberLoc();
4023 if (const ObjCIvarRefExpr *Ivar = dyn_cast<ObjCIvarRefExpr>(E))
4024 return Ivar->getLocation();
4025 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
4026 return SizeOfPack->getPackLoc();
4027 if (const ObjCPropertyRefExpr *PropRef = dyn_cast<ObjCPropertyRefExpr>(E))
4028 return PropRef->getLocation();
4030 return E->getLocStart();
4035 unsigned clang_visitChildren(CXCursor parent,
4036 CXCursorVisitor visitor,
4037 CXClientData client_data) {
4038 CursorVisitor CursorVis(getCursorTU(parent), visitor, client_data,
4039 /*VisitPreprocessorLast=*/false);
4040 return CursorVis.VisitChildren(parent);
4043 #ifndef __has_feature
4044 #define __has_feature(x) 0
4046 #if __has_feature(blocks)
4047 typedef enum CXChildVisitResult
4048 (^CXCursorVisitorBlock)(CXCursor cursor, CXCursor parent);
4050 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
4051 CXClientData client_data) {
4052 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
4053 return block(cursor, parent);
4056 // If we are compiled with a compiler that doesn't have native blocks support,
4057 // define and call the block manually, so the
4058 typedef struct _CXChildVisitResult
4063 enum CXChildVisitResult(*invoke)(struct _CXChildVisitResult*, CXCursor,
4065 } *CXCursorVisitorBlock;
4067 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
4068 CXClientData client_data) {
4069 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
4070 return block->invoke(block, cursor, parent);
4075 unsigned clang_visitChildrenWithBlock(CXCursor parent,
4076 CXCursorVisitorBlock block) {
4077 return clang_visitChildren(parent, visitWithBlock, block);
4080 static CXString getDeclSpelling(const Decl *D) {
4082 return cxstring::createEmpty();
4084 const NamedDecl *ND = dyn_cast<NamedDecl>(D);
4086 if (const ObjCPropertyImplDecl *PropImpl =
4087 dyn_cast<ObjCPropertyImplDecl>(D))
4088 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
4089 return cxstring::createDup(Property->getIdentifier()->getName());
4091 if (const ImportDecl *ImportD = dyn_cast<ImportDecl>(D))
4092 if (Module *Mod = ImportD->getImportedModule())
4093 return cxstring::createDup(Mod->getFullModuleName());
4095 return cxstring::createEmpty();
4098 if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(ND))
4099 return cxstring::createDup(OMD->getSelector().getAsString());
4101 if (const ObjCCategoryImplDecl *CIMP = dyn_cast<ObjCCategoryImplDecl>(ND))
4102 // No, this isn't the same as the code below. getIdentifier() is non-virtual
4103 // and returns different names. NamedDecl returns the class name and
4104 // ObjCCategoryImplDecl returns the category name.
4105 return cxstring::createRef(CIMP->getIdentifier()->getNameStart());
4107 if (isa<UsingDirectiveDecl>(D))
4108 return cxstring::createEmpty();
4110 SmallString<1024> S;
4111 llvm::raw_svector_ostream os(S);
4114 return cxstring::createDup(os.str());
4117 CXString clang_getCursorSpelling(CXCursor C) {
4118 if (clang_isTranslationUnit(C.kind))
4119 return clang_getTranslationUnitSpelling(getCursorTU(C));
4121 if (clang_isReference(C.kind)) {
4123 case CXCursor_ObjCSuperClassRef: {
4124 const ObjCInterfaceDecl *Super = getCursorObjCSuperClassRef(C).first;
4125 return cxstring::createRef(Super->getIdentifier()->getNameStart());
4127 case CXCursor_ObjCClassRef: {
4128 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
4129 return cxstring::createRef(Class->getIdentifier()->getNameStart());
4131 case CXCursor_ObjCProtocolRef: {
4132 const ObjCProtocolDecl *OID = getCursorObjCProtocolRef(C).first;
4133 assert(OID && "getCursorSpelling(): Missing protocol decl");
4134 return cxstring::createRef(OID->getIdentifier()->getNameStart());
4136 case CXCursor_CXXBaseSpecifier: {
4137 const CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
4138 return cxstring::createDup(B->getType().getAsString());
4140 case CXCursor_TypeRef: {
4141 const TypeDecl *Type = getCursorTypeRef(C).first;
4142 assert(Type && "Missing type decl");
4144 return cxstring::createDup(getCursorContext(C).getTypeDeclType(Type).
4147 case CXCursor_TemplateRef: {
4148 const TemplateDecl *Template = getCursorTemplateRef(C).first;
4149 assert(Template && "Missing template decl");
4151 return cxstring::createDup(Template->getNameAsString());
4154 case CXCursor_NamespaceRef: {
4155 const NamedDecl *NS = getCursorNamespaceRef(C).first;
4156 assert(NS && "Missing namespace decl");
4158 return cxstring::createDup(NS->getNameAsString());
4161 case CXCursor_MemberRef: {
4162 const FieldDecl *Field = getCursorMemberRef(C).first;
4163 assert(Field && "Missing member decl");
4165 return cxstring::createDup(Field->getNameAsString());
4168 case CXCursor_LabelRef: {
4169 const LabelStmt *Label = getCursorLabelRef(C).first;
4170 assert(Label && "Missing label");
4172 return cxstring::createRef(Label->getName());
4175 case CXCursor_OverloadedDeclRef: {
4176 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
4177 if (const Decl *D = Storage.dyn_cast<const Decl *>()) {
4178 if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
4179 return cxstring::createDup(ND->getNameAsString());
4180 return cxstring::createEmpty();
4182 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
4183 return cxstring::createDup(E->getName().getAsString());
4184 OverloadedTemplateStorage *Ovl
4185 = Storage.get<OverloadedTemplateStorage*>();
4186 if (Ovl->size() == 0)
4187 return cxstring::createEmpty();
4188 return cxstring::createDup((*Ovl->begin())->getNameAsString());
4191 case CXCursor_VariableRef: {
4192 const VarDecl *Var = getCursorVariableRef(C).first;
4193 assert(Var && "Missing variable decl");
4195 return cxstring::createDup(Var->getNameAsString());
4199 return cxstring::createRef("<not implemented>");
4203 if (clang_isExpression(C.kind)) {
4204 const Expr *E = getCursorExpr(C);
4206 if (C.kind == CXCursor_ObjCStringLiteral ||
4207 C.kind == CXCursor_StringLiteral) {
4208 const StringLiteral *SLit;
4209 if (const ObjCStringLiteral *OSL = dyn_cast<ObjCStringLiteral>(E)) {
4210 SLit = OSL->getString();
4212 SLit = cast<StringLiteral>(E);
4214 SmallString<256> Buf;
4215 llvm::raw_svector_ostream OS(Buf);
4216 SLit->outputString(OS);
4217 return cxstring::createDup(OS.str());
4220 const Decl *D = getDeclFromExpr(getCursorExpr(C));
4222 return getDeclSpelling(D);
4223 return cxstring::createEmpty();
4226 if (clang_isStatement(C.kind)) {
4227 const Stmt *S = getCursorStmt(C);
4228 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S))
4229 return cxstring::createRef(Label->getName());
4231 return cxstring::createEmpty();
4234 if (C.kind == CXCursor_MacroExpansion)
4235 return cxstring::createRef(getCursorMacroExpansion(C).getName()
4238 if (C.kind == CXCursor_MacroDefinition)
4239 return cxstring::createRef(getCursorMacroDefinition(C)->getName()
4242 if (C.kind == CXCursor_InclusionDirective)
4243 return cxstring::createDup(getCursorInclusionDirective(C)->getFileName());
4245 if (clang_isDeclaration(C.kind))
4246 return getDeclSpelling(getCursorDecl(C));
4248 if (C.kind == CXCursor_AnnotateAttr) {
4249 const AnnotateAttr *AA = cast<AnnotateAttr>(cxcursor::getCursorAttr(C));
4250 return cxstring::createDup(AA->getAnnotation());
4253 if (C.kind == CXCursor_AsmLabelAttr) {
4254 const AsmLabelAttr *AA = cast<AsmLabelAttr>(cxcursor::getCursorAttr(C));
4255 return cxstring::createDup(AA->getLabel());
4258 if (C.kind == CXCursor_PackedAttr) {
4259 return cxstring::createRef("packed");
4262 if (C.kind == CXCursor_VisibilityAttr) {
4263 const VisibilityAttr *AA = cast<VisibilityAttr>(cxcursor::getCursorAttr(C));
4264 switch (AA->getVisibility()) {
4265 case VisibilityAttr::VisibilityType::Default:
4266 return cxstring::createRef("default");
4267 case VisibilityAttr::VisibilityType::Hidden:
4268 return cxstring::createRef("hidden");
4269 case VisibilityAttr::VisibilityType::Protected:
4270 return cxstring::createRef("protected");
4272 llvm_unreachable("unknown visibility type");
4275 return cxstring::createEmpty();
4278 CXSourceRange clang_Cursor_getSpellingNameRange(CXCursor C,
4279 unsigned pieceIndex,
4281 if (clang_Cursor_isNull(C))
4282 return clang_getNullRange();
4284 ASTContext &Ctx = getCursorContext(C);
4286 if (clang_isStatement(C.kind)) {
4287 const Stmt *S = getCursorStmt(C);
4288 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S)) {
4290 return clang_getNullRange();
4291 return cxloc::translateSourceRange(Ctx, Label->getIdentLoc());
4294 return clang_getNullRange();
4297 if (C.kind == CXCursor_ObjCMessageExpr) {
4298 if (const ObjCMessageExpr *
4299 ME = dyn_cast_or_null<ObjCMessageExpr>(getCursorExpr(C))) {
4300 if (pieceIndex >= ME->getNumSelectorLocs())
4301 return clang_getNullRange();
4302 return cxloc::translateSourceRange(Ctx, ME->getSelectorLoc(pieceIndex));
4306 if (C.kind == CXCursor_ObjCInstanceMethodDecl ||
4307 C.kind == CXCursor_ObjCClassMethodDecl) {
4308 if (const ObjCMethodDecl *
4309 MD = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(C))) {
4310 if (pieceIndex >= MD->getNumSelectorLocs())
4311 return clang_getNullRange();
4312 return cxloc::translateSourceRange(Ctx, MD->getSelectorLoc(pieceIndex));
4316 if (C.kind == CXCursor_ObjCCategoryDecl ||
4317 C.kind == CXCursor_ObjCCategoryImplDecl) {
4319 return clang_getNullRange();
4320 if (const ObjCCategoryDecl *
4321 CD = dyn_cast_or_null<ObjCCategoryDecl>(getCursorDecl(C)))
4322 return cxloc::translateSourceRange(Ctx, CD->getCategoryNameLoc());
4323 if (const ObjCCategoryImplDecl *
4324 CID = dyn_cast_or_null<ObjCCategoryImplDecl>(getCursorDecl(C)))
4325 return cxloc::translateSourceRange(Ctx, CID->getCategoryNameLoc());
4328 if (C.kind == CXCursor_ModuleImportDecl) {
4330 return clang_getNullRange();
4331 if (const ImportDecl *ImportD =
4332 dyn_cast_or_null<ImportDecl>(getCursorDecl(C))) {
4333 ArrayRef<SourceLocation> Locs = ImportD->getIdentifierLocs();
4335 return cxloc::translateSourceRange(Ctx,
4336 SourceRange(Locs.front(), Locs.back()));
4338 return clang_getNullRange();
4341 if (C.kind == CXCursor_CXXMethod || C.kind == CXCursor_Destructor ||
4342 C.kind == CXCursor_ConversionFunction) {
4344 return clang_getNullRange();
4345 if (const FunctionDecl *FD =
4346 dyn_cast_or_null<FunctionDecl>(getCursorDecl(C))) {
4347 DeclarationNameInfo FunctionName = FD->getNameInfo();
4348 return cxloc::translateSourceRange(Ctx, FunctionName.getSourceRange());
4350 return clang_getNullRange();
4353 // FIXME: A CXCursor_InclusionDirective should give the location of the
4354 // filename, but we don't keep track of this.
4356 // FIXME: A CXCursor_AnnotateAttr should give the location of the annotation
4357 // but we don't keep track of this.
4359 // FIXME: A CXCursor_AsmLabelAttr should give the location of the label
4360 // but we don't keep track of this.
4362 // Default handling, give the location of the cursor.
4365 return clang_getNullRange();
4367 CXSourceLocation CXLoc = clang_getCursorLocation(C);
4368 SourceLocation Loc = cxloc::translateSourceLocation(CXLoc);
4369 return cxloc::translateSourceRange(Ctx, Loc);
4372 CXString clang_Cursor_getMangling(CXCursor C) {
4373 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
4374 return cxstring::createEmpty();
4376 // Mangling only works for functions and variables.
4377 const Decl *D = getCursorDecl(C);
4378 if (!D || !(isa<FunctionDecl>(D) || isa<VarDecl>(D)))
4379 return cxstring::createEmpty();
4381 ASTContext &Ctx = D->getASTContext();
4382 index::CodegenNameGenerator CGNameGen(Ctx);
4383 return cxstring::createDup(CGNameGen.getName(D));
4386 CXStringSet *clang_Cursor_getCXXManglings(CXCursor C) {
4387 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
4390 const Decl *D = getCursorDecl(C);
4391 if (!(isa<CXXRecordDecl>(D) || isa<CXXMethodDecl>(D)))
4394 ASTContext &Ctx = D->getASTContext();
4395 index::CodegenNameGenerator CGNameGen(Ctx);
4396 std::vector<std::string> Manglings = CGNameGen.getAllManglings(D);
4397 return cxstring::createSet(Manglings);
4400 CXString clang_getCursorDisplayName(CXCursor C) {
4401 if (!clang_isDeclaration(C.kind))
4402 return clang_getCursorSpelling(C);
4404 const Decl *D = getCursorDecl(C);
4406 return cxstring::createEmpty();
4408 PrintingPolicy Policy = getCursorContext(C).getPrintingPolicy();
4409 if (const FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(D))
4410 D = FunTmpl->getTemplatedDecl();
4412 if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
4413 SmallString<64> Str;
4414 llvm::raw_svector_ostream OS(Str);
4416 if (Function->getPrimaryTemplate())
4419 for (unsigned I = 0, N = Function->getNumParams(); I != N; ++I) {
4422 OS << Function->getParamDecl(I)->getType().getAsString(Policy);
4425 if (Function->isVariadic()) {
4426 if (Function->getNumParams())
4431 return cxstring::createDup(OS.str());
4434 if (const ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(D)) {
4435 SmallString<64> Str;
4436 llvm::raw_svector_ostream OS(Str);
4437 OS << *ClassTemplate;
4439 TemplateParameterList *Params = ClassTemplate->getTemplateParameters();
4440 for (unsigned I = 0, N = Params->size(); I != N; ++I) {
4444 NamedDecl *Param = Params->getParam(I);
4445 if (Param->getIdentifier()) {
4446 OS << Param->getIdentifier()->getName();
4450 // There is no parameter name, which makes this tricky. Try to come up
4451 // with something useful that isn't too long.
4452 if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Param))
4453 OS << (TTP->wasDeclaredWithTypename()? "typename" : "class");
4454 else if (NonTypeTemplateParmDecl *NTTP
4455 = dyn_cast<NonTypeTemplateParmDecl>(Param))
4456 OS << NTTP->getType().getAsString(Policy);
4458 OS << "template<...> class";
4462 return cxstring::createDup(OS.str());
4465 if (const ClassTemplateSpecializationDecl *ClassSpec
4466 = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
4467 // If the type was explicitly written, use that.
4468 if (TypeSourceInfo *TSInfo = ClassSpec->getTypeAsWritten())
4469 return cxstring::createDup(TSInfo->getType().getAsString(Policy));
4471 SmallString<128> Str;
4472 llvm::raw_svector_ostream OS(Str);
4474 TemplateSpecializationType::PrintTemplateArgumentList(
4475 OS, ClassSpec->getTemplateArgs().asArray(), Policy);
4476 return cxstring::createDup(OS.str());
4479 return clang_getCursorSpelling(C);
4482 CXString clang_getCursorKindSpelling(enum CXCursorKind Kind) {
4484 case CXCursor_FunctionDecl:
4485 return cxstring::createRef("FunctionDecl");
4486 case CXCursor_TypedefDecl:
4487 return cxstring::createRef("TypedefDecl");
4488 case CXCursor_EnumDecl:
4489 return cxstring::createRef("EnumDecl");
4490 case CXCursor_EnumConstantDecl:
4491 return cxstring::createRef("EnumConstantDecl");
4492 case CXCursor_StructDecl:
4493 return cxstring::createRef("StructDecl");
4494 case CXCursor_UnionDecl:
4495 return cxstring::createRef("UnionDecl");
4496 case CXCursor_ClassDecl:
4497 return cxstring::createRef("ClassDecl");
4498 case CXCursor_FieldDecl:
4499 return cxstring::createRef("FieldDecl");
4500 case CXCursor_VarDecl:
4501 return cxstring::createRef("VarDecl");
4502 case CXCursor_ParmDecl:
4503 return cxstring::createRef("ParmDecl");
4504 case CXCursor_ObjCInterfaceDecl:
4505 return cxstring::createRef("ObjCInterfaceDecl");
4506 case CXCursor_ObjCCategoryDecl:
4507 return cxstring::createRef("ObjCCategoryDecl");
4508 case CXCursor_ObjCProtocolDecl:
4509 return cxstring::createRef("ObjCProtocolDecl");
4510 case CXCursor_ObjCPropertyDecl:
4511 return cxstring::createRef("ObjCPropertyDecl");
4512 case CXCursor_ObjCIvarDecl:
4513 return cxstring::createRef("ObjCIvarDecl");
4514 case CXCursor_ObjCInstanceMethodDecl:
4515 return cxstring::createRef("ObjCInstanceMethodDecl");
4516 case CXCursor_ObjCClassMethodDecl:
4517 return cxstring::createRef("ObjCClassMethodDecl");
4518 case CXCursor_ObjCImplementationDecl:
4519 return cxstring::createRef("ObjCImplementationDecl");
4520 case CXCursor_ObjCCategoryImplDecl:
4521 return cxstring::createRef("ObjCCategoryImplDecl");
4522 case CXCursor_CXXMethod:
4523 return cxstring::createRef("CXXMethod");
4524 case CXCursor_UnexposedDecl:
4525 return cxstring::createRef("UnexposedDecl");
4526 case CXCursor_ObjCSuperClassRef:
4527 return cxstring::createRef("ObjCSuperClassRef");
4528 case CXCursor_ObjCProtocolRef:
4529 return cxstring::createRef("ObjCProtocolRef");
4530 case CXCursor_ObjCClassRef:
4531 return cxstring::createRef("ObjCClassRef");
4532 case CXCursor_TypeRef:
4533 return cxstring::createRef("TypeRef");
4534 case CXCursor_TemplateRef:
4535 return cxstring::createRef("TemplateRef");
4536 case CXCursor_NamespaceRef:
4537 return cxstring::createRef("NamespaceRef");
4538 case CXCursor_MemberRef:
4539 return cxstring::createRef("MemberRef");
4540 case CXCursor_LabelRef:
4541 return cxstring::createRef("LabelRef");
4542 case CXCursor_OverloadedDeclRef:
4543 return cxstring::createRef("OverloadedDeclRef");
4544 case CXCursor_VariableRef:
4545 return cxstring::createRef("VariableRef");
4546 case CXCursor_IntegerLiteral:
4547 return cxstring::createRef("IntegerLiteral");
4548 case CXCursor_FloatingLiteral:
4549 return cxstring::createRef("FloatingLiteral");
4550 case CXCursor_ImaginaryLiteral:
4551 return cxstring::createRef("ImaginaryLiteral");
4552 case CXCursor_StringLiteral:
4553 return cxstring::createRef("StringLiteral");
4554 case CXCursor_CharacterLiteral:
4555 return cxstring::createRef("CharacterLiteral");
4556 case CXCursor_ParenExpr:
4557 return cxstring::createRef("ParenExpr");
4558 case CXCursor_UnaryOperator:
4559 return cxstring::createRef("UnaryOperator");
4560 case CXCursor_ArraySubscriptExpr:
4561 return cxstring::createRef("ArraySubscriptExpr");
4562 case CXCursor_OMPArraySectionExpr:
4563 return cxstring::createRef("OMPArraySectionExpr");
4564 case CXCursor_BinaryOperator:
4565 return cxstring::createRef("BinaryOperator");
4566 case CXCursor_CompoundAssignOperator:
4567 return cxstring::createRef("CompoundAssignOperator");
4568 case CXCursor_ConditionalOperator:
4569 return cxstring::createRef("ConditionalOperator");
4570 case CXCursor_CStyleCastExpr:
4571 return cxstring::createRef("CStyleCastExpr");
4572 case CXCursor_CompoundLiteralExpr:
4573 return cxstring::createRef("CompoundLiteralExpr");
4574 case CXCursor_InitListExpr:
4575 return cxstring::createRef("InitListExpr");
4576 case CXCursor_AddrLabelExpr:
4577 return cxstring::createRef("AddrLabelExpr");
4578 case CXCursor_StmtExpr:
4579 return cxstring::createRef("StmtExpr");
4580 case CXCursor_GenericSelectionExpr:
4581 return cxstring::createRef("GenericSelectionExpr");
4582 case CXCursor_GNUNullExpr:
4583 return cxstring::createRef("GNUNullExpr");
4584 case CXCursor_CXXStaticCastExpr:
4585 return cxstring::createRef("CXXStaticCastExpr");
4586 case CXCursor_CXXDynamicCastExpr:
4587 return cxstring::createRef("CXXDynamicCastExpr");
4588 case CXCursor_CXXReinterpretCastExpr:
4589 return cxstring::createRef("CXXReinterpretCastExpr");
4590 case CXCursor_CXXConstCastExpr:
4591 return cxstring::createRef("CXXConstCastExpr");
4592 case CXCursor_CXXFunctionalCastExpr:
4593 return cxstring::createRef("CXXFunctionalCastExpr");
4594 case CXCursor_CXXTypeidExpr:
4595 return cxstring::createRef("CXXTypeidExpr");
4596 case CXCursor_CXXBoolLiteralExpr:
4597 return cxstring::createRef("CXXBoolLiteralExpr");
4598 case CXCursor_CXXNullPtrLiteralExpr:
4599 return cxstring::createRef("CXXNullPtrLiteralExpr");
4600 case CXCursor_CXXThisExpr:
4601 return cxstring::createRef("CXXThisExpr");
4602 case CXCursor_CXXThrowExpr:
4603 return cxstring::createRef("CXXThrowExpr");
4604 case CXCursor_CXXNewExpr:
4605 return cxstring::createRef("CXXNewExpr");
4606 case CXCursor_CXXDeleteExpr:
4607 return cxstring::createRef("CXXDeleteExpr");
4608 case CXCursor_UnaryExpr:
4609 return cxstring::createRef("UnaryExpr");
4610 case CXCursor_ObjCStringLiteral:
4611 return cxstring::createRef("ObjCStringLiteral");
4612 case CXCursor_ObjCBoolLiteralExpr:
4613 return cxstring::createRef("ObjCBoolLiteralExpr");
4614 case CXCursor_ObjCAvailabilityCheckExpr:
4615 return cxstring::createRef("ObjCAvailabilityCheckExpr");
4616 case CXCursor_ObjCSelfExpr:
4617 return cxstring::createRef("ObjCSelfExpr");
4618 case CXCursor_ObjCEncodeExpr:
4619 return cxstring::createRef("ObjCEncodeExpr");
4620 case CXCursor_ObjCSelectorExpr:
4621 return cxstring::createRef("ObjCSelectorExpr");
4622 case CXCursor_ObjCProtocolExpr:
4623 return cxstring::createRef("ObjCProtocolExpr");
4624 case CXCursor_ObjCBridgedCastExpr:
4625 return cxstring::createRef("ObjCBridgedCastExpr");
4626 case CXCursor_BlockExpr:
4627 return cxstring::createRef("BlockExpr");
4628 case CXCursor_PackExpansionExpr:
4629 return cxstring::createRef("PackExpansionExpr");
4630 case CXCursor_SizeOfPackExpr:
4631 return cxstring::createRef("SizeOfPackExpr");
4632 case CXCursor_LambdaExpr:
4633 return cxstring::createRef("LambdaExpr");
4634 case CXCursor_UnexposedExpr:
4635 return cxstring::createRef("UnexposedExpr");
4636 case CXCursor_DeclRefExpr:
4637 return cxstring::createRef("DeclRefExpr");
4638 case CXCursor_MemberRefExpr:
4639 return cxstring::createRef("MemberRefExpr");
4640 case CXCursor_CallExpr:
4641 return cxstring::createRef("CallExpr");
4642 case CXCursor_ObjCMessageExpr:
4643 return cxstring::createRef("ObjCMessageExpr");
4644 case CXCursor_UnexposedStmt:
4645 return cxstring::createRef("UnexposedStmt");
4646 case CXCursor_DeclStmt:
4647 return cxstring::createRef("DeclStmt");
4648 case CXCursor_LabelStmt:
4649 return cxstring::createRef("LabelStmt");
4650 case CXCursor_CompoundStmt:
4651 return cxstring::createRef("CompoundStmt");
4652 case CXCursor_CaseStmt:
4653 return cxstring::createRef("CaseStmt");
4654 case CXCursor_DefaultStmt:
4655 return cxstring::createRef("DefaultStmt");
4656 case CXCursor_IfStmt:
4657 return cxstring::createRef("IfStmt");
4658 case CXCursor_SwitchStmt:
4659 return cxstring::createRef("SwitchStmt");
4660 case CXCursor_WhileStmt:
4661 return cxstring::createRef("WhileStmt");
4662 case CXCursor_DoStmt:
4663 return cxstring::createRef("DoStmt");
4664 case CXCursor_ForStmt:
4665 return cxstring::createRef("ForStmt");
4666 case CXCursor_GotoStmt:
4667 return cxstring::createRef("GotoStmt");
4668 case CXCursor_IndirectGotoStmt:
4669 return cxstring::createRef("IndirectGotoStmt");
4670 case CXCursor_ContinueStmt:
4671 return cxstring::createRef("ContinueStmt");
4672 case CXCursor_BreakStmt:
4673 return cxstring::createRef("BreakStmt");
4674 case CXCursor_ReturnStmt:
4675 return cxstring::createRef("ReturnStmt");
4676 case CXCursor_GCCAsmStmt:
4677 return cxstring::createRef("GCCAsmStmt");
4678 case CXCursor_MSAsmStmt:
4679 return cxstring::createRef("MSAsmStmt");
4680 case CXCursor_ObjCAtTryStmt:
4681 return cxstring::createRef("ObjCAtTryStmt");
4682 case CXCursor_ObjCAtCatchStmt:
4683 return cxstring::createRef("ObjCAtCatchStmt");
4684 case CXCursor_ObjCAtFinallyStmt:
4685 return cxstring::createRef("ObjCAtFinallyStmt");
4686 case CXCursor_ObjCAtThrowStmt:
4687 return cxstring::createRef("ObjCAtThrowStmt");
4688 case CXCursor_ObjCAtSynchronizedStmt:
4689 return cxstring::createRef("ObjCAtSynchronizedStmt");
4690 case CXCursor_ObjCAutoreleasePoolStmt:
4691 return cxstring::createRef("ObjCAutoreleasePoolStmt");
4692 case CXCursor_ObjCForCollectionStmt:
4693 return cxstring::createRef("ObjCForCollectionStmt");
4694 case CXCursor_CXXCatchStmt:
4695 return cxstring::createRef("CXXCatchStmt");
4696 case CXCursor_CXXTryStmt:
4697 return cxstring::createRef("CXXTryStmt");
4698 case CXCursor_CXXForRangeStmt:
4699 return cxstring::createRef("CXXForRangeStmt");
4700 case CXCursor_SEHTryStmt:
4701 return cxstring::createRef("SEHTryStmt");
4702 case CXCursor_SEHExceptStmt:
4703 return cxstring::createRef("SEHExceptStmt");
4704 case CXCursor_SEHFinallyStmt:
4705 return cxstring::createRef("SEHFinallyStmt");
4706 case CXCursor_SEHLeaveStmt:
4707 return cxstring::createRef("SEHLeaveStmt");
4708 case CXCursor_NullStmt:
4709 return cxstring::createRef("NullStmt");
4710 case CXCursor_InvalidFile:
4711 return cxstring::createRef("InvalidFile");
4712 case CXCursor_InvalidCode:
4713 return cxstring::createRef("InvalidCode");
4714 case CXCursor_NoDeclFound:
4715 return cxstring::createRef("NoDeclFound");
4716 case CXCursor_NotImplemented:
4717 return cxstring::createRef("NotImplemented");
4718 case CXCursor_TranslationUnit:
4719 return cxstring::createRef("TranslationUnit");
4720 case CXCursor_UnexposedAttr:
4721 return cxstring::createRef("UnexposedAttr");
4722 case CXCursor_IBActionAttr:
4723 return cxstring::createRef("attribute(ibaction)");
4724 case CXCursor_IBOutletAttr:
4725 return cxstring::createRef("attribute(iboutlet)");
4726 case CXCursor_IBOutletCollectionAttr:
4727 return cxstring::createRef("attribute(iboutletcollection)");
4728 case CXCursor_CXXFinalAttr:
4729 return cxstring::createRef("attribute(final)");
4730 case CXCursor_CXXOverrideAttr:
4731 return cxstring::createRef("attribute(override)");
4732 case CXCursor_AnnotateAttr:
4733 return cxstring::createRef("attribute(annotate)");
4734 case CXCursor_AsmLabelAttr:
4735 return cxstring::createRef("asm label");
4736 case CXCursor_PackedAttr:
4737 return cxstring::createRef("attribute(packed)");
4738 case CXCursor_PureAttr:
4739 return cxstring::createRef("attribute(pure)");
4740 case CXCursor_ConstAttr:
4741 return cxstring::createRef("attribute(const)");
4742 case CXCursor_NoDuplicateAttr:
4743 return cxstring::createRef("attribute(noduplicate)");
4744 case CXCursor_CUDAConstantAttr:
4745 return cxstring::createRef("attribute(constant)");
4746 case CXCursor_CUDADeviceAttr:
4747 return cxstring::createRef("attribute(device)");
4748 case CXCursor_CUDAGlobalAttr:
4749 return cxstring::createRef("attribute(global)");
4750 case CXCursor_CUDAHostAttr:
4751 return cxstring::createRef("attribute(host)");
4752 case CXCursor_CUDASharedAttr:
4753 return cxstring::createRef("attribute(shared)");
4754 case CXCursor_VisibilityAttr:
4755 return cxstring::createRef("attribute(visibility)");
4756 case CXCursor_DLLExport:
4757 return cxstring::createRef("attribute(dllexport)");
4758 case CXCursor_DLLImport:
4759 return cxstring::createRef("attribute(dllimport)");
4760 case CXCursor_PreprocessingDirective:
4761 return cxstring::createRef("preprocessing directive");
4762 case CXCursor_MacroDefinition:
4763 return cxstring::createRef("macro definition");
4764 case CXCursor_MacroExpansion:
4765 return cxstring::createRef("macro expansion");
4766 case CXCursor_InclusionDirective:
4767 return cxstring::createRef("inclusion directive");
4768 case CXCursor_Namespace:
4769 return cxstring::createRef("Namespace");
4770 case CXCursor_LinkageSpec:
4771 return cxstring::createRef("LinkageSpec");
4772 case CXCursor_CXXBaseSpecifier:
4773 return cxstring::createRef("C++ base class specifier");
4774 case CXCursor_Constructor:
4775 return cxstring::createRef("CXXConstructor");
4776 case CXCursor_Destructor:
4777 return cxstring::createRef("CXXDestructor");
4778 case CXCursor_ConversionFunction:
4779 return cxstring::createRef("CXXConversion");
4780 case CXCursor_TemplateTypeParameter:
4781 return cxstring::createRef("TemplateTypeParameter");
4782 case CXCursor_NonTypeTemplateParameter:
4783 return cxstring::createRef("NonTypeTemplateParameter");
4784 case CXCursor_TemplateTemplateParameter:
4785 return cxstring::createRef("TemplateTemplateParameter");
4786 case CXCursor_FunctionTemplate:
4787 return cxstring::createRef("FunctionTemplate");
4788 case CXCursor_ClassTemplate:
4789 return cxstring::createRef("ClassTemplate");
4790 case CXCursor_ClassTemplatePartialSpecialization:
4791 return cxstring::createRef("ClassTemplatePartialSpecialization");
4792 case CXCursor_NamespaceAlias:
4793 return cxstring::createRef("NamespaceAlias");
4794 case CXCursor_UsingDirective:
4795 return cxstring::createRef("UsingDirective");
4796 case CXCursor_UsingDeclaration:
4797 return cxstring::createRef("UsingDeclaration");
4798 case CXCursor_TypeAliasDecl:
4799 return cxstring::createRef("TypeAliasDecl");
4800 case CXCursor_ObjCSynthesizeDecl:
4801 return cxstring::createRef("ObjCSynthesizeDecl");
4802 case CXCursor_ObjCDynamicDecl:
4803 return cxstring::createRef("ObjCDynamicDecl");
4804 case CXCursor_CXXAccessSpecifier:
4805 return cxstring::createRef("CXXAccessSpecifier");
4806 case CXCursor_ModuleImportDecl:
4807 return cxstring::createRef("ModuleImport");
4808 case CXCursor_OMPParallelDirective:
4809 return cxstring::createRef("OMPParallelDirective");
4810 case CXCursor_OMPSimdDirective:
4811 return cxstring::createRef("OMPSimdDirective");
4812 case CXCursor_OMPForDirective:
4813 return cxstring::createRef("OMPForDirective");
4814 case CXCursor_OMPForSimdDirective:
4815 return cxstring::createRef("OMPForSimdDirective");
4816 case CXCursor_OMPSectionsDirective:
4817 return cxstring::createRef("OMPSectionsDirective");
4818 case CXCursor_OMPSectionDirective:
4819 return cxstring::createRef("OMPSectionDirective");
4820 case CXCursor_OMPSingleDirective:
4821 return cxstring::createRef("OMPSingleDirective");
4822 case CXCursor_OMPMasterDirective:
4823 return cxstring::createRef("OMPMasterDirective");
4824 case CXCursor_OMPCriticalDirective:
4825 return cxstring::createRef("OMPCriticalDirective");
4826 case CXCursor_OMPParallelForDirective:
4827 return cxstring::createRef("OMPParallelForDirective");
4828 case CXCursor_OMPParallelForSimdDirective:
4829 return cxstring::createRef("OMPParallelForSimdDirective");
4830 case CXCursor_OMPParallelSectionsDirective:
4831 return cxstring::createRef("OMPParallelSectionsDirective");
4832 case CXCursor_OMPTaskDirective:
4833 return cxstring::createRef("OMPTaskDirective");
4834 case CXCursor_OMPTaskyieldDirective:
4835 return cxstring::createRef("OMPTaskyieldDirective");
4836 case CXCursor_OMPBarrierDirective:
4837 return cxstring::createRef("OMPBarrierDirective");
4838 case CXCursor_OMPTaskwaitDirective:
4839 return cxstring::createRef("OMPTaskwaitDirective");
4840 case CXCursor_OMPTaskgroupDirective:
4841 return cxstring::createRef("OMPTaskgroupDirective");
4842 case CXCursor_OMPFlushDirective:
4843 return cxstring::createRef("OMPFlushDirective");
4844 case CXCursor_OMPOrderedDirective:
4845 return cxstring::createRef("OMPOrderedDirective");
4846 case CXCursor_OMPAtomicDirective:
4847 return cxstring::createRef("OMPAtomicDirective");
4848 case CXCursor_OMPTargetDirective:
4849 return cxstring::createRef("OMPTargetDirective");
4850 case CXCursor_OMPTargetDataDirective:
4851 return cxstring::createRef("OMPTargetDataDirective");
4852 case CXCursor_OMPTargetEnterDataDirective:
4853 return cxstring::createRef("OMPTargetEnterDataDirective");
4854 case CXCursor_OMPTargetExitDataDirective:
4855 return cxstring::createRef("OMPTargetExitDataDirective");
4856 case CXCursor_OMPTargetParallelDirective:
4857 return cxstring::createRef("OMPTargetParallelDirective");
4858 case CXCursor_OMPTargetParallelForDirective:
4859 return cxstring::createRef("OMPTargetParallelForDirective");
4860 case CXCursor_OMPTargetUpdateDirective:
4861 return cxstring::createRef("OMPTargetUpdateDirective");
4862 case CXCursor_OMPTeamsDirective:
4863 return cxstring::createRef("OMPTeamsDirective");
4864 case CXCursor_OMPCancellationPointDirective:
4865 return cxstring::createRef("OMPCancellationPointDirective");
4866 case CXCursor_OMPCancelDirective:
4867 return cxstring::createRef("OMPCancelDirective");
4868 case CXCursor_OMPTaskLoopDirective:
4869 return cxstring::createRef("OMPTaskLoopDirective");
4870 case CXCursor_OMPTaskLoopSimdDirective:
4871 return cxstring::createRef("OMPTaskLoopSimdDirective");
4872 case CXCursor_OMPDistributeDirective:
4873 return cxstring::createRef("OMPDistributeDirective");
4874 case CXCursor_OMPDistributeParallelForDirective:
4875 return cxstring::createRef("OMPDistributeParallelForDirective");
4876 case CXCursor_OMPDistributeParallelForSimdDirective:
4877 return cxstring::createRef("OMPDistributeParallelForSimdDirective");
4878 case CXCursor_OMPDistributeSimdDirective:
4879 return cxstring::createRef("OMPDistributeSimdDirective");
4880 case CXCursor_OMPTargetParallelForSimdDirective:
4881 return cxstring::createRef("OMPTargetParallelForSimdDirective");
4882 case CXCursor_OverloadCandidate:
4883 return cxstring::createRef("OverloadCandidate");
4884 case CXCursor_TypeAliasTemplateDecl:
4885 return cxstring::createRef("TypeAliasTemplateDecl");
4886 case CXCursor_StaticAssert:
4887 return cxstring::createRef("StaticAssert");
4890 llvm_unreachable("Unhandled CXCursorKind");
4893 struct GetCursorData {
4894 SourceLocation TokenBeginLoc;
4895 bool PointsAtMacroArgExpansion;
4896 bool VisitedObjCPropertyImplDecl;
4897 SourceLocation VisitedDeclaratorDeclStartLoc;
4898 CXCursor &BestCursor;
4900 GetCursorData(SourceManager &SM,
4901 SourceLocation tokenBegin, CXCursor &outputCursor)
4902 : TokenBeginLoc(tokenBegin), BestCursor(outputCursor) {
4903 PointsAtMacroArgExpansion = SM.isMacroArgExpansion(tokenBegin);
4904 VisitedObjCPropertyImplDecl = false;
4908 static enum CXChildVisitResult GetCursorVisitor(CXCursor cursor,
4910 CXClientData client_data) {
4911 GetCursorData *Data = static_cast<GetCursorData *>(client_data);
4912 CXCursor *BestCursor = &Data->BestCursor;
4914 // If we point inside a macro argument we should provide info of what the
4915 // token is so use the actual cursor, don't replace it with a macro expansion
4917 if (cursor.kind == CXCursor_MacroExpansion && Data->PointsAtMacroArgExpansion)
4918 return CXChildVisit_Recurse;
4920 if (clang_isDeclaration(cursor.kind)) {
4921 // Avoid having the implicit methods override the property decls.
4922 if (const ObjCMethodDecl *MD
4923 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
4924 if (MD->isImplicit())
4925 return CXChildVisit_Break;
4927 } else if (const ObjCInterfaceDecl *ID
4928 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(cursor))) {
4929 // Check that when we have multiple @class references in the same line,
4930 // that later ones do not override the previous ones.
4933 // source ranges for both start at '@', so 'Bar' will end up overriding
4934 // 'Foo' even though the cursor location was at 'Foo'.
4935 if (BestCursor->kind == CXCursor_ObjCInterfaceDecl ||
4936 BestCursor->kind == CXCursor_ObjCClassRef)
4937 if (const ObjCInterfaceDecl *PrevID
4938 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(*BestCursor))){
4940 !PrevID->isThisDeclarationADefinition() &&
4941 !ID->isThisDeclarationADefinition())
4942 return CXChildVisit_Break;
4945 } else if (const DeclaratorDecl *DD
4946 = dyn_cast_or_null<DeclaratorDecl>(getCursorDecl(cursor))) {
4947 SourceLocation StartLoc = DD->getSourceRange().getBegin();
4948 // Check that when we have multiple declarators in the same line,
4949 // that later ones do not override the previous ones.
4952 // source ranges for both start at 'int', so 'Bar' will end up overriding
4953 // 'Foo' even though the cursor location was at 'Foo'.
4954 if (Data->VisitedDeclaratorDeclStartLoc == StartLoc)
4955 return CXChildVisit_Break;
4956 Data->VisitedDeclaratorDeclStartLoc = StartLoc;
4958 } else if (const ObjCPropertyImplDecl *PropImp
4959 = dyn_cast_or_null<ObjCPropertyImplDecl>(getCursorDecl(cursor))) {
4961 // Check that when we have multiple @synthesize in the same line,
4962 // that later ones do not override the previous ones.
4964 // @synthesize Foo, Bar;
4965 // source ranges for both start at '@', so 'Bar' will end up overriding
4966 // 'Foo' even though the cursor location was at 'Foo'.
4967 if (Data->VisitedObjCPropertyImplDecl)
4968 return CXChildVisit_Break;
4969 Data->VisitedObjCPropertyImplDecl = true;
4973 if (clang_isExpression(cursor.kind) &&
4974 clang_isDeclaration(BestCursor->kind)) {
4975 if (const Decl *D = getCursorDecl(*BestCursor)) {
4976 // Avoid having the cursor of an expression replace the declaration cursor
4977 // when the expression source range overlaps the declaration range.
4978 // This can happen for C++ constructor expressions whose range generally
4979 // include the variable declaration, e.g.:
4980 // MyCXXClass foo; // Make sure pointing at 'foo' returns a VarDecl cursor.
4981 if (D->getLocation().isValid() && Data->TokenBeginLoc.isValid() &&
4982 D->getLocation() == Data->TokenBeginLoc)
4983 return CXChildVisit_Break;
4987 // If our current best cursor is the construction of a temporary object,
4988 // don't replace that cursor with a type reference, because we want
4989 // clang_getCursor() to point at the constructor.
4990 if (clang_isExpression(BestCursor->kind) &&
4991 isa<CXXTemporaryObjectExpr>(getCursorExpr(*BestCursor)) &&
4992 cursor.kind == CXCursor_TypeRef) {
4993 // Keep the cursor pointing at CXXTemporaryObjectExpr but also mark it
4994 // as having the actual point on the type reference.
4995 *BestCursor = getTypeRefedCallExprCursor(*BestCursor);
4996 return CXChildVisit_Recurse;
4999 // If we already have an Objective-C superclass reference, don't
5000 // update it further.
5001 if (BestCursor->kind == CXCursor_ObjCSuperClassRef)
5002 return CXChildVisit_Break;
5004 *BestCursor = cursor;
5005 return CXChildVisit_Recurse;
5008 CXCursor clang_getCursor(CXTranslationUnit TU, CXSourceLocation Loc) {
5009 if (isNotUsableTU(TU)) {
5011 return clang_getNullCursor();
5014 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5015 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
5017 SourceLocation SLoc = cxloc::translateSourceLocation(Loc);
5018 CXCursor Result = cxcursor::getCursor(TU, SLoc);
5022 unsigned SearchLine, SearchColumn;
5024 unsigned ResultLine, ResultColumn;
5025 CXString SearchFileName, ResultFileName, KindSpelling, USR;
5026 const char *IsDef = clang_isCursorDefinition(Result)? " (Definition)" : "";
5027 CXSourceLocation ResultLoc = clang_getCursorLocation(Result);
5029 clang_getFileLocation(Loc, &SearchFile, &SearchLine, &SearchColumn,
5031 clang_getFileLocation(ResultLoc, &ResultFile, &ResultLine,
5032 &ResultColumn, nullptr);
5033 SearchFileName = clang_getFileName(SearchFile);
5034 ResultFileName = clang_getFileName(ResultFile);
5035 KindSpelling = clang_getCursorKindSpelling(Result.kind);
5036 USR = clang_getCursorUSR(Result);
5037 *Log << llvm::format("(%s:%d:%d) = %s",
5038 clang_getCString(SearchFileName), SearchLine, SearchColumn,
5039 clang_getCString(KindSpelling))
5040 << llvm::format("(%s:%d:%d):%s%s",
5041 clang_getCString(ResultFileName), ResultLine, ResultColumn,
5042 clang_getCString(USR), IsDef);
5043 clang_disposeString(SearchFileName);
5044 clang_disposeString(ResultFileName);
5045 clang_disposeString(KindSpelling);
5046 clang_disposeString(USR);
5048 CXCursor Definition = clang_getCursorDefinition(Result);
5049 if (!clang_equalCursors(Definition, clang_getNullCursor())) {
5050 CXSourceLocation DefinitionLoc = clang_getCursorLocation(Definition);
5051 CXString DefinitionKindSpelling
5052 = clang_getCursorKindSpelling(Definition.kind);
5053 CXFile DefinitionFile;
5054 unsigned DefinitionLine, DefinitionColumn;
5055 clang_getFileLocation(DefinitionLoc, &DefinitionFile,
5056 &DefinitionLine, &DefinitionColumn, nullptr);
5057 CXString DefinitionFileName = clang_getFileName(DefinitionFile);
5058 *Log << llvm::format(" -> %s(%s:%d:%d)",
5059 clang_getCString(DefinitionKindSpelling),
5060 clang_getCString(DefinitionFileName),
5061 DefinitionLine, DefinitionColumn);
5062 clang_disposeString(DefinitionFileName);
5063 clang_disposeString(DefinitionKindSpelling);
5070 CXCursor clang_getNullCursor(void) {
5071 return MakeCXCursorInvalid(CXCursor_InvalidFile);
5074 unsigned clang_equalCursors(CXCursor X, CXCursor Y) {
5075 // Clear out the "FirstInDeclGroup" part in a declaration cursor, since we
5076 // can't set consistently. For example, when visiting a DeclStmt we will set
5077 // it but we don't set it on the result of clang_getCursorDefinition for
5078 // a reference of the same declaration.
5079 // FIXME: Setting "FirstInDeclGroup" in CXCursors is a hack that only works
5080 // when visiting a DeclStmt currently, the AST should be enhanced to be able
5081 // to provide that kind of info.
5082 if (clang_isDeclaration(X.kind))
5083 X.data[1] = nullptr;
5084 if (clang_isDeclaration(Y.kind))
5085 Y.data[1] = nullptr;
5090 unsigned clang_hashCursor(CXCursor C) {
5092 if (clang_isExpression(C.kind) || clang_isStatement(C.kind))
5095 return llvm::DenseMapInfo<std::pair<unsigned, const void*> >::getHashValue(
5096 std::make_pair(C.kind, C.data[Index]));
5099 unsigned clang_isInvalid(enum CXCursorKind K) {
5100 return K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid;
5103 unsigned clang_isDeclaration(enum CXCursorKind K) {
5104 return (K >= CXCursor_FirstDecl && K <= CXCursor_LastDecl) ||
5105 (K >= CXCursor_FirstExtraDecl && K <= CXCursor_LastExtraDecl);
5108 unsigned clang_isReference(enum CXCursorKind K) {
5109 return K >= CXCursor_FirstRef && K <= CXCursor_LastRef;
5112 unsigned clang_isExpression(enum CXCursorKind K) {
5113 return K >= CXCursor_FirstExpr && K <= CXCursor_LastExpr;
5116 unsigned clang_isStatement(enum CXCursorKind K) {
5117 return K >= CXCursor_FirstStmt && K <= CXCursor_LastStmt;
5120 unsigned clang_isAttribute(enum CXCursorKind K) {
5121 return K >= CXCursor_FirstAttr && K <= CXCursor_LastAttr;
5124 unsigned clang_isTranslationUnit(enum CXCursorKind K) {
5125 return K == CXCursor_TranslationUnit;
5128 unsigned clang_isPreprocessing(enum CXCursorKind K) {
5129 return K >= CXCursor_FirstPreprocessing && K <= CXCursor_LastPreprocessing;
5132 unsigned clang_isUnexposed(enum CXCursorKind K) {
5134 case CXCursor_UnexposedDecl:
5135 case CXCursor_UnexposedExpr:
5136 case CXCursor_UnexposedStmt:
5137 case CXCursor_UnexposedAttr:
5144 CXCursorKind clang_getCursorKind(CXCursor C) {
5148 CXSourceLocation clang_getCursorLocation(CXCursor C) {
5149 if (clang_isReference(C.kind)) {
5151 case CXCursor_ObjCSuperClassRef: {
5152 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
5153 = getCursorObjCSuperClassRef(C);
5154 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5157 case CXCursor_ObjCProtocolRef: {
5158 std::pair<const ObjCProtocolDecl *, SourceLocation> P
5159 = getCursorObjCProtocolRef(C);
5160 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5163 case CXCursor_ObjCClassRef: {
5164 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
5165 = getCursorObjCClassRef(C);
5166 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5169 case CXCursor_TypeRef: {
5170 std::pair<const TypeDecl *, SourceLocation> P = getCursorTypeRef(C);
5171 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5174 case CXCursor_TemplateRef: {
5175 std::pair<const TemplateDecl *, SourceLocation> P =
5176 getCursorTemplateRef(C);
5177 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5180 case CXCursor_NamespaceRef: {
5181 std::pair<const NamedDecl *, SourceLocation> P = getCursorNamespaceRef(C);
5182 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5185 case CXCursor_MemberRef: {
5186 std::pair<const FieldDecl *, SourceLocation> P = getCursorMemberRef(C);
5187 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5190 case CXCursor_VariableRef: {
5191 std::pair<const VarDecl *, SourceLocation> P = getCursorVariableRef(C);
5192 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5195 case CXCursor_CXXBaseSpecifier: {
5196 const CXXBaseSpecifier *BaseSpec = getCursorCXXBaseSpecifier(C);
5198 return clang_getNullLocation();
5200 if (TypeSourceInfo *TSInfo = BaseSpec->getTypeSourceInfo())
5201 return cxloc::translateSourceLocation(getCursorContext(C),
5202 TSInfo->getTypeLoc().getBeginLoc());
5204 return cxloc::translateSourceLocation(getCursorContext(C),
5205 BaseSpec->getLocStart());
5208 case CXCursor_LabelRef: {
5209 std::pair<const LabelStmt *, SourceLocation> P = getCursorLabelRef(C);
5210 return cxloc::translateSourceLocation(getCursorContext(C), P.second);
5213 case CXCursor_OverloadedDeclRef:
5214 return cxloc::translateSourceLocation(getCursorContext(C),
5215 getCursorOverloadedDeclRef(C).second);
5218 // FIXME: Need a way to enumerate all non-reference cases.
5219 llvm_unreachable("Missed a reference kind");
5223 if (clang_isExpression(C.kind))
5224 return cxloc::translateSourceLocation(getCursorContext(C),
5225 getLocationFromExpr(getCursorExpr(C)));
5227 if (clang_isStatement(C.kind))
5228 return cxloc::translateSourceLocation(getCursorContext(C),
5229 getCursorStmt(C)->getLocStart());
5231 if (C.kind == CXCursor_PreprocessingDirective) {
5232 SourceLocation L = cxcursor::getCursorPreprocessingDirective(C).getBegin();
5233 return cxloc::translateSourceLocation(getCursorContext(C), L);
5236 if (C.kind == CXCursor_MacroExpansion) {
5238 = cxcursor::getCursorMacroExpansion(C).getSourceRange().getBegin();
5239 return cxloc::translateSourceLocation(getCursorContext(C), L);
5242 if (C.kind == CXCursor_MacroDefinition) {
5243 SourceLocation L = cxcursor::getCursorMacroDefinition(C)->getLocation();
5244 return cxloc::translateSourceLocation(getCursorContext(C), L);
5247 if (C.kind == CXCursor_InclusionDirective) {
5249 = cxcursor::getCursorInclusionDirective(C)->getSourceRange().getBegin();
5250 return cxloc::translateSourceLocation(getCursorContext(C), L);
5253 if (clang_isAttribute(C.kind)) {
5255 = cxcursor::getCursorAttr(C)->getLocation();
5256 return cxloc::translateSourceLocation(getCursorContext(C), L);
5259 if (!clang_isDeclaration(C.kind))
5260 return clang_getNullLocation();
5262 const Decl *D = getCursorDecl(C);
5264 return clang_getNullLocation();
5266 SourceLocation Loc = D->getLocation();
5267 // FIXME: Multiple variables declared in a single declaration
5268 // currently lack the information needed to correctly determine their
5269 // ranges when accounting for the type-specifier. We use context
5270 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5271 // and if so, whether it is the first decl.
5272 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5273 if (!cxcursor::isFirstInDeclGroup(C))
5274 Loc = VD->getLocation();
5277 // For ObjC methods, give the start location of the method name.
5278 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
5279 Loc = MD->getSelectorStartLoc();
5281 return cxloc::translateSourceLocation(getCursorContext(C), Loc);
5286 CXCursor cxcursor::getCursor(CXTranslationUnit TU, SourceLocation SLoc) {
5289 // Guard against an invalid SourceLocation, or we may assert in one
5290 // of the following calls.
5291 if (SLoc.isInvalid())
5292 return clang_getNullCursor();
5294 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5296 // Translate the given source location to make it point at the beginning of
5297 // the token under the cursor.
5298 SLoc = Lexer::GetBeginningOfToken(SLoc, CXXUnit->getSourceManager(),
5299 CXXUnit->getASTContext().getLangOpts());
5301 CXCursor Result = MakeCXCursorInvalid(CXCursor_NoDeclFound);
5302 if (SLoc.isValid()) {
5303 GetCursorData ResultData(CXXUnit->getSourceManager(), SLoc, Result);
5304 CursorVisitor CursorVis(TU, GetCursorVisitor, &ResultData,
5305 /*VisitPreprocessorLast=*/true,
5306 /*VisitIncludedEntities=*/false,
5307 SourceLocation(SLoc));
5308 CursorVis.visitFileRegion();
5314 static SourceRange getRawCursorExtent(CXCursor C) {
5315 if (clang_isReference(C.kind)) {
5317 case CXCursor_ObjCSuperClassRef:
5318 return getCursorObjCSuperClassRef(C).second;
5320 case CXCursor_ObjCProtocolRef:
5321 return getCursorObjCProtocolRef(C).second;
5323 case CXCursor_ObjCClassRef:
5324 return getCursorObjCClassRef(C).second;
5326 case CXCursor_TypeRef:
5327 return getCursorTypeRef(C).second;
5329 case CXCursor_TemplateRef:
5330 return getCursorTemplateRef(C).second;
5332 case CXCursor_NamespaceRef:
5333 return getCursorNamespaceRef(C).second;
5335 case CXCursor_MemberRef:
5336 return getCursorMemberRef(C).second;
5338 case CXCursor_CXXBaseSpecifier:
5339 return getCursorCXXBaseSpecifier(C)->getSourceRange();
5341 case CXCursor_LabelRef:
5342 return getCursorLabelRef(C).second;
5344 case CXCursor_OverloadedDeclRef:
5345 return getCursorOverloadedDeclRef(C).second;
5347 case CXCursor_VariableRef:
5348 return getCursorVariableRef(C).second;
5351 // FIXME: Need a way to enumerate all non-reference cases.
5352 llvm_unreachable("Missed a reference kind");
5356 if (clang_isExpression(C.kind))
5357 return getCursorExpr(C)->getSourceRange();
5359 if (clang_isStatement(C.kind))
5360 return getCursorStmt(C)->getSourceRange();
5362 if (clang_isAttribute(C.kind))
5363 return getCursorAttr(C)->getRange();
5365 if (C.kind == CXCursor_PreprocessingDirective)
5366 return cxcursor::getCursorPreprocessingDirective(C);
5368 if (C.kind == CXCursor_MacroExpansion) {
5369 ASTUnit *TU = getCursorASTUnit(C);
5370 SourceRange Range = cxcursor::getCursorMacroExpansion(C).getSourceRange();
5371 return TU->mapRangeFromPreamble(Range);
5374 if (C.kind == CXCursor_MacroDefinition) {
5375 ASTUnit *TU = getCursorASTUnit(C);
5376 SourceRange Range = cxcursor::getCursorMacroDefinition(C)->getSourceRange();
5377 return TU->mapRangeFromPreamble(Range);
5380 if (C.kind == CXCursor_InclusionDirective) {
5381 ASTUnit *TU = getCursorASTUnit(C);
5382 SourceRange Range = cxcursor::getCursorInclusionDirective(C)->getSourceRange();
5383 return TU->mapRangeFromPreamble(Range);
5386 if (C.kind == CXCursor_TranslationUnit) {
5387 ASTUnit *TU = getCursorASTUnit(C);
5388 FileID MainID = TU->getSourceManager().getMainFileID();
5389 SourceLocation Start = TU->getSourceManager().getLocForStartOfFile(MainID);
5390 SourceLocation End = TU->getSourceManager().getLocForEndOfFile(MainID);
5391 return SourceRange(Start, End);
5394 if (clang_isDeclaration(C.kind)) {
5395 const Decl *D = cxcursor::getCursorDecl(C);
5397 return SourceRange();
5399 SourceRange R = D->getSourceRange();
5400 // FIXME: Multiple variables declared in a single declaration
5401 // currently lack the information needed to correctly determine their
5402 // ranges when accounting for the type-specifier. We use context
5403 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5404 // and if so, whether it is the first decl.
5405 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5406 if (!cxcursor::isFirstInDeclGroup(C))
5407 R.setBegin(VD->getLocation());
5411 return SourceRange();
5414 /// \brief Retrieves the "raw" cursor extent, which is then extended to include
5415 /// the decl-specifier-seq for declarations.
5416 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr) {
5417 if (clang_isDeclaration(C.kind)) {
5418 const Decl *D = cxcursor::getCursorDecl(C);
5420 return SourceRange();
5422 SourceRange R = D->getSourceRange();
5424 // Adjust the start of the location for declarations preceded by
5425 // declaration specifiers.
5426 SourceLocation StartLoc;
5427 if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
5428 if (TypeSourceInfo *TI = DD->getTypeSourceInfo())
5429 StartLoc = TI->getTypeLoc().getLocStart();
5430 } else if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(D)) {
5431 if (TypeSourceInfo *TI = Typedef->getTypeSourceInfo())
5432 StartLoc = TI->getTypeLoc().getLocStart();
5435 if (StartLoc.isValid() && R.getBegin().isValid() &&
5436 SrcMgr.isBeforeInTranslationUnit(StartLoc, R.getBegin()))
5437 R.setBegin(StartLoc);
5439 // FIXME: Multiple variables declared in a single declaration
5440 // currently lack the information needed to correctly determine their
5441 // ranges when accounting for the type-specifier. We use context
5442 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5443 // and if so, whether it is the first decl.
5444 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5445 if (!cxcursor::isFirstInDeclGroup(C))
5446 R.setBegin(VD->getLocation());
5452 return getRawCursorExtent(C);
5457 CXSourceRange clang_getCursorExtent(CXCursor C) {
5458 SourceRange R = getRawCursorExtent(C);
5460 return clang_getNullRange();
5462 return cxloc::translateSourceRange(getCursorContext(C), R);
5465 CXCursor clang_getCursorReferenced(CXCursor C) {
5466 if (clang_isInvalid(C.kind))
5467 return clang_getNullCursor();
5469 CXTranslationUnit tu = getCursorTU(C);
5470 if (clang_isDeclaration(C.kind)) {
5471 const Decl *D = getCursorDecl(C);
5473 return clang_getNullCursor();
5474 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5475 return MakeCursorOverloadedDeclRef(Using, D->getLocation(), tu);
5476 if (const ObjCPropertyImplDecl *PropImpl =
5477 dyn_cast<ObjCPropertyImplDecl>(D))
5478 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
5479 return MakeCXCursor(Property, tu);
5484 if (clang_isExpression(C.kind)) {
5485 const Expr *E = getCursorExpr(C);
5486 const Decl *D = getDeclFromExpr(E);
5488 CXCursor declCursor = MakeCXCursor(D, tu);
5489 declCursor = getSelectorIdentifierCursor(getSelectorIdentifierIndex(C),
5494 if (const OverloadExpr *Ovl = dyn_cast_or_null<OverloadExpr>(E))
5495 return MakeCursorOverloadedDeclRef(Ovl, tu);
5497 return clang_getNullCursor();
5500 if (clang_isStatement(C.kind)) {
5501 const Stmt *S = getCursorStmt(C);
5502 if (const GotoStmt *Goto = dyn_cast_or_null<GotoStmt>(S))
5503 if (LabelDecl *label = Goto->getLabel())
5504 if (LabelStmt *labelS = label->getStmt())
5505 return MakeCXCursor(labelS, getCursorDecl(C), tu);
5507 return clang_getNullCursor();
5510 if (C.kind == CXCursor_MacroExpansion) {
5511 if (const MacroDefinitionRecord *Def =
5512 getCursorMacroExpansion(C).getDefinition())
5513 return MakeMacroDefinitionCursor(Def, tu);
5516 if (!clang_isReference(C.kind))
5517 return clang_getNullCursor();
5520 case CXCursor_ObjCSuperClassRef:
5521 return MakeCXCursor(getCursorObjCSuperClassRef(C).first, tu);
5523 case CXCursor_ObjCProtocolRef: {
5524 const ObjCProtocolDecl *Prot = getCursorObjCProtocolRef(C).first;
5525 if (const ObjCProtocolDecl *Def = Prot->getDefinition())
5526 return MakeCXCursor(Def, tu);
5528 return MakeCXCursor(Prot, tu);
5531 case CXCursor_ObjCClassRef: {
5532 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
5533 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5534 return MakeCXCursor(Def, tu);
5536 return MakeCXCursor(Class, tu);
5539 case CXCursor_TypeRef:
5540 return MakeCXCursor(getCursorTypeRef(C).first, tu );
5542 case CXCursor_TemplateRef:
5543 return MakeCXCursor(getCursorTemplateRef(C).first, tu );
5545 case CXCursor_NamespaceRef:
5546 return MakeCXCursor(getCursorNamespaceRef(C).first, tu );
5548 case CXCursor_MemberRef:
5549 return MakeCXCursor(getCursorMemberRef(C).first, tu );
5551 case CXCursor_CXXBaseSpecifier: {
5552 const CXXBaseSpecifier *B = cxcursor::getCursorCXXBaseSpecifier(C);
5553 return clang_getTypeDeclaration(cxtype::MakeCXType(B->getType(),
5557 case CXCursor_LabelRef:
5558 // FIXME: We end up faking the "parent" declaration here because we
5559 // don't want to make CXCursor larger.
5560 return MakeCXCursor(getCursorLabelRef(C).first,
5561 cxtu::getASTUnit(tu)->getASTContext()
5562 .getTranslationUnitDecl(),
5565 case CXCursor_OverloadedDeclRef:
5568 case CXCursor_VariableRef:
5569 return MakeCXCursor(getCursorVariableRef(C).first, tu);
5572 // We would prefer to enumerate all non-reference cursor kinds here.
5573 llvm_unreachable("Unhandled reference cursor kind");
5577 CXCursor clang_getCursorDefinition(CXCursor C) {
5578 if (clang_isInvalid(C.kind))
5579 return clang_getNullCursor();
5581 CXTranslationUnit TU = getCursorTU(C);
5583 bool WasReference = false;
5584 if (clang_isReference(C.kind) || clang_isExpression(C.kind)) {
5585 C = clang_getCursorReferenced(C);
5586 WasReference = true;
5589 if (C.kind == CXCursor_MacroExpansion)
5590 return clang_getCursorReferenced(C);
5592 if (!clang_isDeclaration(C.kind))
5593 return clang_getNullCursor();
5595 const Decl *D = getCursorDecl(C);
5597 return clang_getNullCursor();
5599 switch (D->getKind()) {
5600 // Declaration kinds that don't really separate the notions of
5601 // declaration and definition.
5602 case Decl::Namespace:
5604 case Decl::TypeAlias:
5605 case Decl::TypeAliasTemplate:
5606 case Decl::TemplateTypeParm:
5607 case Decl::EnumConstant:
5609 case Decl::MSProperty:
5610 case Decl::IndirectField:
5611 case Decl::ObjCIvar:
5612 case Decl::ObjCAtDefsField:
5613 case Decl::ImplicitParam:
5615 case Decl::NonTypeTemplateParm:
5616 case Decl::TemplateTemplateParm:
5617 case Decl::ObjCCategoryImpl:
5618 case Decl::ObjCImplementation:
5619 case Decl::AccessSpec:
5620 case Decl::LinkageSpec:
5621 case Decl::ObjCPropertyImpl:
5622 case Decl::FileScopeAsm:
5623 case Decl::StaticAssert:
5625 case Decl::Captured:
5626 case Decl::OMPCapturedExpr:
5627 case Decl::Label: // FIXME: Is this right??
5628 case Decl::ClassScopeFunctionSpecialization:
5630 case Decl::OMPThreadPrivate:
5631 case Decl::OMPDeclareReduction:
5632 case Decl::ObjCTypeParam:
5633 case Decl::BuiltinTemplate:
5634 case Decl::PragmaComment:
5635 case Decl::PragmaDetectMismatch:
5638 // Declaration kinds that don't make any sense here, but are
5639 // nonetheless harmless.
5641 case Decl::TranslationUnit:
5642 case Decl::ExternCContext:
5645 // Declaration kinds for which the definition is not resolvable.
5646 case Decl::UnresolvedUsingTypename:
5647 case Decl::UnresolvedUsingValue:
5650 case Decl::UsingDirective:
5651 return MakeCXCursor(cast<UsingDirectiveDecl>(D)->getNominatedNamespace(),
5654 case Decl::NamespaceAlias:
5655 return MakeCXCursor(cast<NamespaceAliasDecl>(D)->getNamespace(), TU);
5659 case Decl::CXXRecord:
5660 case Decl::ClassTemplateSpecialization:
5661 case Decl::ClassTemplatePartialSpecialization:
5662 if (TagDecl *Def = cast<TagDecl>(D)->getDefinition())
5663 return MakeCXCursor(Def, TU);
5664 return clang_getNullCursor();
5666 case Decl::Function:
5667 case Decl::CXXMethod:
5668 case Decl::CXXConstructor:
5669 case Decl::CXXDestructor:
5670 case Decl::CXXConversion: {
5671 const FunctionDecl *Def = nullptr;
5672 if (cast<FunctionDecl>(D)->getBody(Def))
5673 return MakeCXCursor(Def, TU);
5674 return clang_getNullCursor();
5678 case Decl::VarTemplateSpecialization:
5679 case Decl::VarTemplatePartialSpecialization: {
5680 // Ask the variable if it has a definition.
5681 if (const VarDecl *Def = cast<VarDecl>(D)->getDefinition())
5682 return MakeCXCursor(Def, TU);
5683 return clang_getNullCursor();
5686 case Decl::FunctionTemplate: {
5687 const FunctionDecl *Def = nullptr;
5688 if (cast<FunctionTemplateDecl>(D)->getTemplatedDecl()->getBody(Def))
5689 return MakeCXCursor(Def->getDescribedFunctionTemplate(), TU);
5690 return clang_getNullCursor();
5693 case Decl::ClassTemplate: {
5694 if (RecordDecl *Def = cast<ClassTemplateDecl>(D)->getTemplatedDecl()
5696 return MakeCXCursor(cast<CXXRecordDecl>(Def)->getDescribedClassTemplate(),
5698 return clang_getNullCursor();
5701 case Decl::VarTemplate: {
5703 cast<VarTemplateDecl>(D)->getTemplatedDecl()->getDefinition())
5704 return MakeCXCursor(cast<VarDecl>(Def)->getDescribedVarTemplate(), TU);
5705 return clang_getNullCursor();
5709 return MakeCursorOverloadedDeclRef(cast<UsingDecl>(D),
5710 D->getLocation(), TU);
5712 case Decl::UsingShadow:
5713 case Decl::ConstructorUsingShadow:
5714 return clang_getCursorDefinition(
5715 MakeCXCursor(cast<UsingShadowDecl>(D)->getTargetDecl(),
5718 case Decl::ObjCMethod: {
5719 const ObjCMethodDecl *Method = cast<ObjCMethodDecl>(D);
5720 if (Method->isThisDeclarationADefinition())
5723 // Dig out the method definition in the associated
5724 // @implementation, if we have it.
5725 // FIXME: The ASTs should make finding the definition easier.
5726 if (const ObjCInterfaceDecl *Class
5727 = dyn_cast<ObjCInterfaceDecl>(Method->getDeclContext()))
5728 if (ObjCImplementationDecl *ClassImpl = Class->getImplementation())
5729 if (ObjCMethodDecl *Def = ClassImpl->getMethod(Method->getSelector(),
5730 Method->isInstanceMethod()))
5731 if (Def->isThisDeclarationADefinition())
5732 return MakeCXCursor(Def, TU);
5734 return clang_getNullCursor();
5737 case Decl::ObjCCategory:
5738 if (ObjCCategoryImplDecl *Impl
5739 = cast<ObjCCategoryDecl>(D)->getImplementation())
5740 return MakeCXCursor(Impl, TU);
5741 return clang_getNullCursor();
5743 case Decl::ObjCProtocol:
5744 if (const ObjCProtocolDecl *Def = cast<ObjCProtocolDecl>(D)->getDefinition())
5745 return MakeCXCursor(Def, TU);
5746 return clang_getNullCursor();
5748 case Decl::ObjCInterface: {
5749 // There are two notions of a "definition" for an Objective-C
5750 // class: the interface and its implementation. When we resolved a
5751 // reference to an Objective-C class, produce the @interface as
5752 // the definition; when we were provided with the interface,
5753 // produce the @implementation as the definition.
5754 const ObjCInterfaceDecl *IFace = cast<ObjCInterfaceDecl>(D);
5756 if (const ObjCInterfaceDecl *Def = IFace->getDefinition())
5757 return MakeCXCursor(Def, TU);
5758 } else if (ObjCImplementationDecl *Impl = IFace->getImplementation())
5759 return MakeCXCursor(Impl, TU);
5760 return clang_getNullCursor();
5763 case Decl::ObjCProperty:
5764 // FIXME: We don't really know where to find the
5765 // ObjCPropertyImplDecls that implement this property.
5766 return clang_getNullCursor();
5768 case Decl::ObjCCompatibleAlias:
5769 if (const ObjCInterfaceDecl *Class
5770 = cast<ObjCCompatibleAliasDecl>(D)->getClassInterface())
5771 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5772 return MakeCXCursor(Def, TU);
5774 return clang_getNullCursor();
5777 if (NamedDecl *Friend = cast<FriendDecl>(D)->getFriendDecl())
5778 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5779 return clang_getNullCursor();
5781 case Decl::FriendTemplate:
5782 if (NamedDecl *Friend = cast<FriendTemplateDecl>(D)->getFriendDecl())
5783 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5784 return clang_getNullCursor();
5787 return clang_getNullCursor();
5790 unsigned clang_isCursorDefinition(CXCursor C) {
5791 if (!clang_isDeclaration(C.kind))
5794 return clang_getCursorDefinition(C) == C;
5797 CXCursor clang_getCanonicalCursor(CXCursor C) {
5798 if (!clang_isDeclaration(C.kind))
5801 if (const Decl *D = getCursorDecl(C)) {
5802 if (const ObjCCategoryImplDecl *CatImplD = dyn_cast<ObjCCategoryImplDecl>(D))
5803 if (ObjCCategoryDecl *CatD = CatImplD->getCategoryDecl())
5804 return MakeCXCursor(CatD, getCursorTU(C));
5806 if (const ObjCImplDecl *ImplD = dyn_cast<ObjCImplDecl>(D))
5807 if (const ObjCInterfaceDecl *IFD = ImplD->getClassInterface())
5808 return MakeCXCursor(IFD, getCursorTU(C));
5810 return MakeCXCursor(D->getCanonicalDecl(), getCursorTU(C));
5816 int clang_Cursor_getObjCSelectorIndex(CXCursor cursor) {
5817 return cxcursor::getSelectorIdentifierIndexAndLoc(cursor).first;
5820 unsigned clang_getNumOverloadedDecls(CXCursor C) {
5821 if (C.kind != CXCursor_OverloadedDeclRef)
5824 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
5825 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5826 return E->getNumDecls();
5828 if (OverloadedTemplateStorage *S
5829 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5832 const Decl *D = Storage.get<const Decl *>();
5833 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5834 return Using->shadow_size();
5839 CXCursor clang_getOverloadedDecl(CXCursor cursor, unsigned index) {
5840 if (cursor.kind != CXCursor_OverloadedDeclRef)
5841 return clang_getNullCursor();
5843 if (index >= clang_getNumOverloadedDecls(cursor))
5844 return clang_getNullCursor();
5846 CXTranslationUnit TU = getCursorTU(cursor);
5847 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(cursor).first;
5848 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5849 return MakeCXCursor(E->decls_begin()[index], TU);
5851 if (OverloadedTemplateStorage *S
5852 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5853 return MakeCXCursor(S->begin()[index], TU);
5855 const Decl *D = Storage.get<const Decl *>();
5856 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D)) {
5857 // FIXME: This is, unfortunately, linear time.
5858 UsingDecl::shadow_iterator Pos = Using->shadow_begin();
5859 std::advance(Pos, index);
5860 return MakeCXCursor(cast<UsingShadowDecl>(*Pos)->getTargetDecl(), TU);
5863 return clang_getNullCursor();
5866 void clang_getDefinitionSpellingAndExtent(CXCursor C,
5867 const char **startBuf,
5868 const char **endBuf,
5869 unsigned *startLine,
5870 unsigned *startColumn,
5872 unsigned *endColumn) {
5873 assert(getCursorDecl(C) && "CXCursor has null decl");
5874 const FunctionDecl *FD = dyn_cast<FunctionDecl>(getCursorDecl(C));
5875 CompoundStmt *Body = dyn_cast<CompoundStmt>(FD->getBody());
5877 SourceManager &SM = FD->getASTContext().getSourceManager();
5878 *startBuf = SM.getCharacterData(Body->getLBracLoc());
5879 *endBuf = SM.getCharacterData(Body->getRBracLoc());
5880 *startLine = SM.getSpellingLineNumber(Body->getLBracLoc());
5881 *startColumn = SM.getSpellingColumnNumber(Body->getLBracLoc());
5882 *endLine = SM.getSpellingLineNumber(Body->getRBracLoc());
5883 *endColumn = SM.getSpellingColumnNumber(Body->getRBracLoc());
5887 CXSourceRange clang_getCursorReferenceNameRange(CXCursor C, unsigned NameFlags,
5888 unsigned PieceIndex) {
5889 RefNamePieces Pieces;
5892 case CXCursor_MemberRefExpr:
5893 if (const MemberExpr *E = dyn_cast<MemberExpr>(getCursorExpr(C)))
5894 Pieces = buildPieces(NameFlags, true, E->getMemberNameInfo(),
5895 E->getQualifierLoc().getSourceRange());
5898 case CXCursor_DeclRefExpr:
5899 if (const DeclRefExpr *E = dyn_cast<DeclRefExpr>(getCursorExpr(C))) {
5900 SourceRange TemplateArgLoc(E->getLAngleLoc(), E->getRAngleLoc());
5902 buildPieces(NameFlags, false, E->getNameInfo(),
5903 E->getQualifierLoc().getSourceRange(), &TemplateArgLoc);
5907 case CXCursor_CallExpr:
5908 if (const CXXOperatorCallExpr *OCE =
5909 dyn_cast<CXXOperatorCallExpr>(getCursorExpr(C))) {
5910 const Expr *Callee = OCE->getCallee();
5911 if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Callee))
5912 Callee = ICE->getSubExpr();
5914 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Callee))
5915 Pieces = buildPieces(NameFlags, false, DRE->getNameInfo(),
5916 DRE->getQualifierLoc().getSourceRange());
5924 if (Pieces.empty()) {
5925 if (PieceIndex == 0)
5926 return clang_getCursorExtent(C);
5927 } else if (PieceIndex < Pieces.size()) {
5928 SourceRange R = Pieces[PieceIndex];
5930 return cxloc::translateSourceRange(getCursorContext(C), R);
5933 return clang_getNullRange();
5936 void clang_enableStackTraces(void) {
5937 // FIXME: Provide an argv0 here so we can find llvm-symbolizer.
5938 llvm::sys::PrintStackTraceOnErrorSignal(StringRef());
5941 void clang_executeOnThread(void (*fn)(void*), void *user_data,
5942 unsigned stack_size) {
5943 llvm::llvm_execute_on_thread(fn, user_data, stack_size);
5946 } // end: extern "C"
5948 //===----------------------------------------------------------------------===//
5949 // Token-based Operations.
5950 //===----------------------------------------------------------------------===//
5953 * int_data[0]: a CXTokenKind
5954 * int_data[1]: starting token location
5955 * int_data[2]: token length
5956 * int_data[3]: reserved
5957 * ptr_data: for identifiers and keywords, an IdentifierInfo*.
5962 CXTokenKind clang_getTokenKind(CXToken CXTok) {
5963 return static_cast<CXTokenKind>(CXTok.int_data[0]);
5966 CXString clang_getTokenSpelling(CXTranslationUnit TU, CXToken CXTok) {
5967 switch (clang_getTokenKind(CXTok)) {
5968 case CXToken_Identifier:
5969 case CXToken_Keyword:
5970 // We know we have an IdentifierInfo*, so use that.
5971 return cxstring::createRef(static_cast<IdentifierInfo *>(CXTok.ptr_data)
5974 case CXToken_Literal: {
5975 // We have stashed the starting pointer in the ptr_data field. Use it.
5976 const char *Text = static_cast<const char *>(CXTok.ptr_data);
5977 return cxstring::createDup(StringRef(Text, CXTok.int_data[2]));
5980 case CXToken_Punctuation:
5981 case CXToken_Comment:
5985 if (isNotUsableTU(TU)) {
5987 return cxstring::createEmpty();
5990 // We have to find the starting buffer pointer the hard way, by
5991 // deconstructing the source location.
5992 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5994 return cxstring::createEmpty();
5996 SourceLocation Loc = SourceLocation::getFromRawEncoding(CXTok.int_data[1]);
5997 std::pair<FileID, unsigned> LocInfo
5998 = CXXUnit->getSourceManager().getDecomposedSpellingLoc(Loc);
5999 bool Invalid = false;
6001 = CXXUnit->getSourceManager().getBufferData(LocInfo.first, &Invalid);
6003 return cxstring::createEmpty();
6005 return cxstring::createDup(Buffer.substr(LocInfo.second, CXTok.int_data[2]));
6008 CXSourceLocation clang_getTokenLocation(CXTranslationUnit TU, CXToken CXTok) {
6009 if (isNotUsableTU(TU)) {
6011 return clang_getNullLocation();
6014 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6016 return clang_getNullLocation();
6018 return cxloc::translateSourceLocation(CXXUnit->getASTContext(),
6019 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
6022 CXSourceRange clang_getTokenExtent(CXTranslationUnit TU, CXToken CXTok) {
6023 if (isNotUsableTU(TU)) {
6025 return clang_getNullRange();
6028 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6030 return clang_getNullRange();
6032 return cxloc::translateSourceRange(CXXUnit->getASTContext(),
6033 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
6036 static void getTokens(ASTUnit *CXXUnit, SourceRange Range,
6037 SmallVectorImpl<CXToken> &CXTokens) {
6038 SourceManager &SourceMgr = CXXUnit->getSourceManager();
6039 std::pair<FileID, unsigned> BeginLocInfo
6040 = SourceMgr.getDecomposedSpellingLoc(Range.getBegin());
6041 std::pair<FileID, unsigned> EndLocInfo
6042 = SourceMgr.getDecomposedSpellingLoc(Range.getEnd());
6044 // Cannot tokenize across files.
6045 if (BeginLocInfo.first != EndLocInfo.first)
6049 bool Invalid = false;
6051 = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
6055 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
6056 CXXUnit->getASTContext().getLangOpts(),
6057 Buffer.begin(), Buffer.data() + BeginLocInfo.second, Buffer.end());
6058 Lex.SetCommentRetentionState(true);
6060 // Lex tokens until we hit the end of the range.
6061 const char *EffectiveBufferEnd = Buffer.data() + EndLocInfo.second;
6063 bool previousWasAt = false;
6065 // Lex the next token
6066 Lex.LexFromRawLexer(Tok);
6067 if (Tok.is(tok::eof))
6070 // Initialize the CXToken.
6074 CXTok.int_data[1] = Tok.getLocation().getRawEncoding();
6075 CXTok.int_data[2] = Tok.getLength();
6076 CXTok.int_data[3] = 0;
6078 // - Kind-specific fields
6079 if (Tok.isLiteral()) {
6080 CXTok.int_data[0] = CXToken_Literal;
6081 CXTok.ptr_data = const_cast<char *>(Tok.getLiteralData());
6082 } else if (Tok.is(tok::raw_identifier)) {
6083 // Lookup the identifier to determine whether we have a keyword.
6085 = CXXUnit->getPreprocessor().LookUpIdentifierInfo(Tok);
6087 if ((II->getObjCKeywordID() != tok::objc_not_keyword) && previousWasAt) {
6088 CXTok.int_data[0] = CXToken_Keyword;
6091 CXTok.int_data[0] = Tok.is(tok::identifier)
6092 ? CXToken_Identifier
6095 CXTok.ptr_data = II;
6096 } else if (Tok.is(tok::comment)) {
6097 CXTok.int_data[0] = CXToken_Comment;
6098 CXTok.ptr_data = nullptr;
6100 CXTok.int_data[0] = CXToken_Punctuation;
6101 CXTok.ptr_data = nullptr;
6103 CXTokens.push_back(CXTok);
6104 previousWasAt = Tok.is(tok::at);
6105 } while (Lex.getBufferLocation() <= EffectiveBufferEnd);
6108 void clang_tokenize(CXTranslationUnit TU, CXSourceRange Range,
6109 CXToken **Tokens, unsigned *NumTokens) {
6111 *Log << TU << ' ' << Range;
6119 if (isNotUsableTU(TU)) {
6124 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6125 if (!CXXUnit || !Tokens || !NumTokens)
6128 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
6130 SourceRange R = cxloc::translateCXSourceRange(Range);
6134 SmallVector<CXToken, 32> CXTokens;
6135 getTokens(CXXUnit, R, CXTokens);
6137 if (CXTokens.empty())
6140 *Tokens = (CXToken *)malloc(sizeof(CXToken) * CXTokens.size());
6141 memmove(*Tokens, CXTokens.data(), sizeof(CXToken) * CXTokens.size());
6142 *NumTokens = CXTokens.size();
6145 void clang_disposeTokens(CXTranslationUnit TU,
6146 CXToken *Tokens, unsigned NumTokens) {
6150 } // end: extern "C"
6152 //===----------------------------------------------------------------------===//
6153 // Token annotation APIs.
6154 //===----------------------------------------------------------------------===//
6156 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
6158 CXClientData client_data);
6159 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
6160 CXClientData client_data);
6163 class AnnotateTokensWorker {
6168 unsigned PreprocessingTokIdx;
6169 CursorVisitor AnnotateVis;
6170 SourceManager &SrcMgr;
6171 bool HasContextSensitiveKeywords;
6173 struct PostChildrenInfo {
6175 SourceRange CursorRange;
6176 unsigned BeforeReachingCursorIdx;
6177 unsigned BeforeChildrenTokenIdx;
6179 SmallVector<PostChildrenInfo, 8> PostChildrenInfos;
6181 CXToken &getTok(unsigned Idx) {
6182 assert(Idx < NumTokens);
6185 const CXToken &getTok(unsigned Idx) const {
6186 assert(Idx < NumTokens);
6189 bool MoreTokens() const { return TokIdx < NumTokens; }
6190 unsigned NextToken() const { return TokIdx; }
6191 void AdvanceToken() { ++TokIdx; }
6192 SourceLocation GetTokenLoc(unsigned tokI) {
6193 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
6195 bool isFunctionMacroToken(unsigned tokI) const {
6196 return getTok(tokI).int_data[3] != 0;
6198 SourceLocation getFunctionMacroTokenLoc(unsigned tokI) const {
6199 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[3]);
6202 void annotateAndAdvanceTokens(CXCursor, RangeComparisonResult, SourceRange);
6203 bool annotateAndAdvanceFunctionMacroTokens(CXCursor, RangeComparisonResult,
6207 AnnotateTokensWorker(CXToken *tokens, CXCursor *cursors, unsigned numTokens,
6208 CXTranslationUnit TU, SourceRange RegionOfInterest)
6209 : Tokens(tokens), Cursors(cursors),
6210 NumTokens(numTokens), TokIdx(0), PreprocessingTokIdx(0),
6212 AnnotateTokensVisitor, this,
6213 /*VisitPreprocessorLast=*/true,
6214 /*VisitIncludedEntities=*/false,
6216 /*VisitDeclsOnly=*/false,
6217 AnnotateTokensPostChildrenVisitor),
6218 SrcMgr(cxtu::getASTUnit(TU)->getSourceManager()),
6219 HasContextSensitiveKeywords(false) { }
6221 void VisitChildren(CXCursor C) { AnnotateVis.VisitChildren(C); }
6222 enum CXChildVisitResult Visit(CXCursor cursor, CXCursor parent);
6223 bool postVisitChildren(CXCursor cursor);
6224 void AnnotateTokens();
6226 /// \brief Determine whether the annotator saw any cursors that have
6227 /// context-sensitive keywords.
6228 bool hasContextSensitiveKeywords() const {
6229 return HasContextSensitiveKeywords;
6232 ~AnnotateTokensWorker() {
6233 assert(PostChildrenInfos.empty());
6238 void AnnotateTokensWorker::AnnotateTokens() {
6239 // Walk the AST within the region of interest, annotating tokens
6241 AnnotateVis.visitFileRegion();
6244 static inline void updateCursorAnnotation(CXCursor &Cursor,
6245 const CXCursor &updateC) {
6246 if (clang_isInvalid(updateC.kind) || !clang_isInvalid(Cursor.kind))
6251 /// \brief It annotates and advances tokens with a cursor until the comparison
6252 //// between the cursor location and the source range is the same as
6253 /// \arg compResult.
6255 /// Pass RangeBefore to annotate tokens with a cursor until a range is reached.
6256 /// Pass RangeOverlap to annotate tokens inside a range.
6257 void AnnotateTokensWorker::annotateAndAdvanceTokens(CXCursor updateC,
6258 RangeComparisonResult compResult,
6259 SourceRange range) {
6260 while (MoreTokens()) {
6261 const unsigned I = NextToken();
6262 if (isFunctionMacroToken(I))
6263 if (!annotateAndAdvanceFunctionMacroTokens(updateC, compResult, range))
6266 SourceLocation TokLoc = GetTokenLoc(I);
6267 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
6268 updateCursorAnnotation(Cursors[I], updateC);
6276 /// \brief Special annotation handling for macro argument tokens.
6277 /// \returns true if it advanced beyond all macro tokens, false otherwise.
6278 bool AnnotateTokensWorker::annotateAndAdvanceFunctionMacroTokens(
6280 RangeComparisonResult compResult,
6281 SourceRange range) {
6282 assert(MoreTokens());
6283 assert(isFunctionMacroToken(NextToken()) &&
6284 "Should be called only for macro arg tokens");
6286 // This works differently than annotateAndAdvanceTokens; because expanded
6287 // macro arguments can have arbitrary translation-unit source order, we do not
6288 // advance the token index one by one until a token fails the range test.
6289 // We only advance once past all of the macro arg tokens if all of them
6290 // pass the range test. If one of them fails we keep the token index pointing
6291 // at the start of the macro arg tokens so that the failing token will be
6292 // annotated by a subsequent annotation try.
6294 bool atLeastOneCompFail = false;
6296 unsigned I = NextToken();
6297 for (; I < NumTokens && isFunctionMacroToken(I); ++I) {
6298 SourceLocation TokLoc = getFunctionMacroTokenLoc(I);
6299 if (TokLoc.isFileID())
6300 continue; // not macro arg token, it's parens or comma.
6301 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
6302 if (clang_isInvalid(clang_getCursorKind(Cursors[I])))
6303 Cursors[I] = updateC;
6305 atLeastOneCompFail = true;
6308 if (atLeastOneCompFail)
6311 TokIdx = I; // All of the tokens were handled, advance beyond all of them.
6315 enum CXChildVisitResult
6316 AnnotateTokensWorker::Visit(CXCursor cursor, CXCursor parent) {
6317 SourceRange cursorRange = getRawCursorExtent(cursor);
6318 if (cursorRange.isInvalid())
6319 return CXChildVisit_Recurse;
6321 if (!HasContextSensitiveKeywords) {
6322 // Objective-C properties can have context-sensitive keywords.
6323 if (cursor.kind == CXCursor_ObjCPropertyDecl) {
6324 if (const ObjCPropertyDecl *Property
6325 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(cursor)))
6326 HasContextSensitiveKeywords = Property->getPropertyAttributesAsWritten() != 0;
6328 // Objective-C methods can have context-sensitive keywords.
6329 else if (cursor.kind == CXCursor_ObjCInstanceMethodDecl ||
6330 cursor.kind == CXCursor_ObjCClassMethodDecl) {
6331 if (const ObjCMethodDecl *Method
6332 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
6333 if (Method->getObjCDeclQualifier())
6334 HasContextSensitiveKeywords = true;
6336 for (const auto *P : Method->parameters()) {
6337 if (P->getObjCDeclQualifier()) {
6338 HasContextSensitiveKeywords = true;
6345 // C++ methods can have context-sensitive keywords.
6346 else if (cursor.kind == CXCursor_CXXMethod) {
6347 if (const CXXMethodDecl *Method
6348 = dyn_cast_or_null<CXXMethodDecl>(getCursorDecl(cursor))) {
6349 if (Method->hasAttr<FinalAttr>() || Method->hasAttr<OverrideAttr>())
6350 HasContextSensitiveKeywords = true;
6353 // C++ classes can have context-sensitive keywords.
6354 else if (cursor.kind == CXCursor_StructDecl ||
6355 cursor.kind == CXCursor_ClassDecl ||
6356 cursor.kind == CXCursor_ClassTemplate ||
6357 cursor.kind == CXCursor_ClassTemplatePartialSpecialization) {
6358 if (const Decl *D = getCursorDecl(cursor))
6359 if (D->hasAttr<FinalAttr>())
6360 HasContextSensitiveKeywords = true;
6364 // Don't override a property annotation with its getter/setter method.
6365 if (cursor.kind == CXCursor_ObjCInstanceMethodDecl &&
6366 parent.kind == CXCursor_ObjCPropertyDecl)
6367 return CXChildVisit_Continue;
6369 if (clang_isPreprocessing(cursor.kind)) {
6370 // Items in the preprocessing record are kept separate from items in
6371 // declarations, so we keep a separate token index.
6372 unsigned SavedTokIdx = TokIdx;
6373 TokIdx = PreprocessingTokIdx;
6375 // Skip tokens up until we catch up to the beginning of the preprocessing
6377 while (MoreTokens()) {
6378 const unsigned I = NextToken();
6379 SourceLocation TokLoc = GetTokenLoc(I);
6380 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
6391 // Look at all of the tokens within this range.
6392 while (MoreTokens()) {
6393 const unsigned I = NextToken();
6394 SourceLocation TokLoc = GetTokenLoc(I);
6395 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
6397 llvm_unreachable("Infeasible");
6401 // For macro expansions, just note where the beginning of the macro
6402 // expansion occurs.
6403 if (cursor.kind == CXCursor_MacroExpansion) {
6404 if (TokLoc == cursorRange.getBegin())
6405 Cursors[I] = cursor;
6409 // We may have already annotated macro names inside macro definitions.
6410 if (Cursors[I].kind != CXCursor_MacroExpansion)
6411 Cursors[I] = cursor;
6418 // Save the preprocessing token index; restore the non-preprocessing
6420 PreprocessingTokIdx = TokIdx;
6421 TokIdx = SavedTokIdx;
6422 return CXChildVisit_Recurse;
6425 if (cursorRange.isInvalid())
6426 return CXChildVisit_Continue;
6428 unsigned BeforeReachingCursorIdx = NextToken();
6429 const enum CXCursorKind cursorK = clang_getCursorKind(cursor);
6430 const enum CXCursorKind K = clang_getCursorKind(parent);
6431 const CXCursor updateC =
6432 (clang_isInvalid(K) || K == CXCursor_TranslationUnit ||
6433 // Attributes are annotated out-of-order, skip tokens until we reach it.
6434 clang_isAttribute(cursor.kind))
6435 ? clang_getNullCursor() : parent;
6437 annotateAndAdvanceTokens(updateC, RangeBefore, cursorRange);
6439 // Avoid having the cursor of an expression "overwrite" the annotation of the
6440 // variable declaration that it belongs to.
6441 // This can happen for C++ constructor expressions whose range generally
6442 // include the variable declaration, e.g.:
6443 // MyCXXClass foo; // Make sure we don't annotate 'foo' as a CallExpr cursor.
6444 if (clang_isExpression(cursorK) && MoreTokens()) {
6445 const Expr *E = getCursorExpr(cursor);
6446 if (const Decl *D = getCursorParentDecl(cursor)) {
6447 const unsigned I = NextToken();
6448 if (E->getLocStart().isValid() && D->getLocation().isValid() &&
6449 E->getLocStart() == D->getLocation() &&
6450 E->getLocStart() == GetTokenLoc(I)) {
6451 updateCursorAnnotation(Cursors[I], updateC);
6457 // Before recursing into the children keep some state that we are going
6458 // to use in the AnnotateTokensWorker::postVisitChildren callback to do some
6459 // extra work after the child nodes are visited.
6460 // Note that we don't call VisitChildren here to avoid traversing statements
6461 // code-recursively which can blow the stack.
6463 PostChildrenInfo Info;
6464 Info.Cursor = cursor;
6465 Info.CursorRange = cursorRange;
6466 Info.BeforeReachingCursorIdx = BeforeReachingCursorIdx;
6467 Info.BeforeChildrenTokenIdx = NextToken();
6468 PostChildrenInfos.push_back(Info);
6470 return CXChildVisit_Recurse;
6473 bool AnnotateTokensWorker::postVisitChildren(CXCursor cursor) {
6474 if (PostChildrenInfos.empty())
6476 const PostChildrenInfo &Info = PostChildrenInfos.back();
6477 if (!clang_equalCursors(Info.Cursor, cursor))
6480 const unsigned BeforeChildren = Info.BeforeChildrenTokenIdx;
6481 const unsigned AfterChildren = NextToken();
6482 SourceRange cursorRange = Info.CursorRange;
6484 // Scan the tokens that are at the end of the cursor, but are not captured
6485 // but the child cursors.
6486 annotateAndAdvanceTokens(cursor, RangeOverlap, cursorRange);
6488 // Scan the tokens that are at the beginning of the cursor, but are not
6489 // capture by the child cursors.
6490 for (unsigned I = BeforeChildren; I != AfterChildren; ++I) {
6491 if (!clang_isInvalid(clang_getCursorKind(Cursors[I])))
6494 Cursors[I] = cursor;
6497 // Attributes are annotated out-of-order, rewind TokIdx to when we first
6498 // encountered the attribute cursor.
6499 if (clang_isAttribute(cursor.kind))
6500 TokIdx = Info.BeforeReachingCursorIdx;
6502 PostChildrenInfos.pop_back();
6506 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
6508 CXClientData client_data) {
6509 return static_cast<AnnotateTokensWorker*>(client_data)->Visit(cursor, parent);
6512 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
6513 CXClientData client_data) {
6514 return static_cast<AnnotateTokensWorker*>(client_data)->
6515 postVisitChildren(cursor);
6520 /// \brief Uses the macro expansions in the preprocessing record to find
6521 /// and mark tokens that are macro arguments. This info is used by the
6522 /// AnnotateTokensWorker.
6523 class MarkMacroArgTokensVisitor {
6530 MarkMacroArgTokensVisitor(SourceManager &SM,
6531 CXToken *tokens, unsigned numTokens)
6532 : SM(SM), Tokens(tokens), NumTokens(numTokens), CurIdx(0) { }
6534 CXChildVisitResult visit(CXCursor cursor, CXCursor parent) {
6535 if (cursor.kind != CXCursor_MacroExpansion)
6536 return CXChildVisit_Continue;
6538 SourceRange macroRange = getCursorMacroExpansion(cursor).getSourceRange();
6539 if (macroRange.getBegin() == macroRange.getEnd())
6540 return CXChildVisit_Continue; // it's not a function macro.
6542 for (; CurIdx < NumTokens; ++CurIdx) {
6543 if (!SM.isBeforeInTranslationUnit(getTokenLoc(CurIdx),
6544 macroRange.getBegin()))
6548 if (CurIdx == NumTokens)
6549 return CXChildVisit_Break;
6551 for (; CurIdx < NumTokens; ++CurIdx) {
6552 SourceLocation tokLoc = getTokenLoc(CurIdx);
6553 if (!SM.isBeforeInTranslationUnit(tokLoc, macroRange.getEnd()))
6556 setFunctionMacroTokenLoc(CurIdx, SM.getMacroArgExpandedLocation(tokLoc));
6559 if (CurIdx == NumTokens)
6560 return CXChildVisit_Break;
6562 return CXChildVisit_Continue;
6566 CXToken &getTok(unsigned Idx) {
6567 assert(Idx < NumTokens);
6570 const CXToken &getTok(unsigned Idx) const {
6571 assert(Idx < NumTokens);
6575 SourceLocation getTokenLoc(unsigned tokI) {
6576 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
6579 void setFunctionMacroTokenLoc(unsigned tokI, SourceLocation loc) {
6580 // The third field is reserved and currently not used. Use it here
6581 // to mark macro arg expanded tokens with their expanded locations.
6582 getTok(tokI).int_data[3] = loc.getRawEncoding();
6586 } // end anonymous namespace
6588 static CXChildVisitResult
6589 MarkMacroArgTokensVisitorDelegate(CXCursor cursor, CXCursor parent,
6590 CXClientData client_data) {
6591 return static_cast<MarkMacroArgTokensVisitor*>(client_data)->visit(cursor,
6595 /// \brief Used by \c annotatePreprocessorTokens.
6596 /// \returns true if lexing was finished, false otherwise.
6597 static bool lexNext(Lexer &Lex, Token &Tok,
6598 unsigned &NextIdx, unsigned NumTokens) {
6599 if (NextIdx >= NumTokens)
6603 Lex.LexFromRawLexer(Tok);
6604 return Tok.is(tok::eof);
6607 static void annotatePreprocessorTokens(CXTranslationUnit TU,
6608 SourceRange RegionOfInterest,
6611 unsigned NumTokens) {
6612 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6614 Preprocessor &PP = CXXUnit->getPreprocessor();
6615 SourceManager &SourceMgr = CXXUnit->getSourceManager();
6616 std::pair<FileID, unsigned> BeginLocInfo
6617 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getBegin());
6618 std::pair<FileID, unsigned> EndLocInfo
6619 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getEnd());
6621 if (BeginLocInfo.first != EndLocInfo.first)
6625 bool Invalid = false;
6626 Buffer = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
6627 if (Buffer.empty() || Invalid)
6630 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
6631 CXXUnit->getASTContext().getLangOpts(),
6632 Buffer.begin(), Buffer.data() + BeginLocInfo.second,
6634 Lex.SetCommentRetentionState(true);
6636 unsigned NextIdx = 0;
6637 // Lex tokens in raw mode until we hit the end of the range, to avoid
6638 // entering #includes or expanding macros.
6641 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6643 unsigned TokIdx = NextIdx-1;
6644 assert(Tok.getLocation() ==
6645 SourceLocation::getFromRawEncoding(Tokens[TokIdx].int_data[1]));
6648 if (Tok.is(tok::hash) && Tok.isAtStartOfLine()) {
6649 // We have found a preprocessing directive. Annotate the tokens
6652 // FIXME: Some simple tests here could identify macro definitions and
6653 // #undefs, to provide specific cursor kinds for those.
6655 SourceLocation BeginLoc = Tok.getLocation();
6656 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6659 MacroInfo *MI = nullptr;
6660 if (Tok.is(tok::raw_identifier) && Tok.getRawIdentifier() == "define") {
6661 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6664 if (Tok.is(tok::raw_identifier)) {
6665 IdentifierInfo &II =
6666 PP.getIdentifierTable().get(Tok.getRawIdentifier());
6667 SourceLocation MappedTokLoc =
6668 CXXUnit->mapLocationToPreamble(Tok.getLocation());
6669 MI = getMacroInfo(II, MappedTokLoc, TU);
6673 bool finished = false;
6675 if (lexNext(Lex, Tok, NextIdx, NumTokens)) {
6679 // If we are in a macro definition, check if the token was ever a
6680 // macro name and annotate it if that's the case.
6682 SourceLocation SaveLoc = Tok.getLocation();
6683 Tok.setLocation(CXXUnit->mapLocationToPreamble(SaveLoc));
6684 MacroDefinitionRecord *MacroDef =
6685 checkForMacroInMacroDefinition(MI, Tok, TU);
6686 Tok.setLocation(SaveLoc);
6688 Cursors[NextIdx - 1] =
6689 MakeMacroExpansionCursor(MacroDef, Tok.getLocation(), TU);
6691 } while (!Tok.isAtStartOfLine());
6693 unsigned LastIdx = finished ? NextIdx-1 : NextIdx-2;
6694 assert(TokIdx <= LastIdx);
6695 SourceLocation EndLoc =
6696 SourceLocation::getFromRawEncoding(Tokens[LastIdx].int_data[1]);
6698 MakePreprocessingDirectiveCursor(SourceRange(BeginLoc, EndLoc), TU);
6700 for (; TokIdx <= LastIdx; ++TokIdx)
6701 updateCursorAnnotation(Cursors[TokIdx], Cursor);
6710 // This gets run a separate thread to avoid stack blowout.
6711 static void clang_annotateTokensImpl(CXTranslationUnit TU, ASTUnit *CXXUnit,
6712 CXToken *Tokens, unsigned NumTokens,
6713 CXCursor *Cursors) {
6714 CIndexer *CXXIdx = TU->CIdx;
6715 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
6716 setThreadBackgroundPriority();
6718 // Determine the region of interest, which contains all of the tokens.
6719 SourceRange RegionOfInterest;
6720 RegionOfInterest.setBegin(
6721 cxloc::translateSourceLocation(clang_getTokenLocation(TU, Tokens[0])));
6722 RegionOfInterest.setEnd(
6723 cxloc::translateSourceLocation(clang_getTokenLocation(TU,
6724 Tokens[NumTokens-1])));
6726 // Relex the tokens within the source range to look for preprocessing
6728 annotatePreprocessorTokens(TU, RegionOfInterest, Cursors, Tokens, NumTokens);
6730 // If begin location points inside a macro argument, set it to the expansion
6731 // location so we can have the full context when annotating semantically.
6733 SourceManager &SM = CXXUnit->getSourceManager();
6734 SourceLocation Loc =
6735 SM.getMacroArgExpandedLocation(RegionOfInterest.getBegin());
6736 if (Loc.isMacroID())
6737 RegionOfInterest.setBegin(SM.getExpansionLoc(Loc));
6740 if (CXXUnit->getPreprocessor().getPreprocessingRecord()) {
6741 // Search and mark tokens that are macro argument expansions.
6742 MarkMacroArgTokensVisitor Visitor(CXXUnit->getSourceManager(),
6744 CursorVisitor MacroArgMarker(TU,
6745 MarkMacroArgTokensVisitorDelegate, &Visitor,
6746 /*VisitPreprocessorLast=*/true,
6747 /*VisitIncludedEntities=*/false,
6749 MacroArgMarker.visitPreprocessedEntitiesInRegion();
6752 // Annotate all of the source locations in the region of interest that map to
6753 // a specific cursor.
6754 AnnotateTokensWorker W(Tokens, Cursors, NumTokens, TU, RegionOfInterest);
6756 // FIXME: We use a ridiculous stack size here because the data-recursion
6757 // algorithm uses a large stack frame than the non-data recursive version,
6758 // and AnnotationTokensWorker currently transforms the data-recursion
6759 // algorithm back into a traditional recursion by explicitly calling
6760 // VisitChildren(). We will need to remove this explicit recursive call.
6763 // If we ran into any entities that involve context-sensitive keywords,
6764 // take another pass through the tokens to mark them as such.
6765 if (W.hasContextSensitiveKeywords()) {
6766 for (unsigned I = 0; I != NumTokens; ++I) {
6767 if (clang_getTokenKind(Tokens[I]) != CXToken_Identifier)
6770 if (Cursors[I].kind == CXCursor_ObjCPropertyDecl) {
6771 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6772 if (const ObjCPropertyDecl *Property
6773 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(Cursors[I]))) {
6774 if (Property->getPropertyAttributesAsWritten() != 0 &&
6775 llvm::StringSwitch<bool>(II->getName())
6776 .Case("readonly", true)
6777 .Case("assign", true)
6778 .Case("unsafe_unretained", true)
6779 .Case("readwrite", true)
6780 .Case("retain", true)
6782 .Case("nonatomic", true)
6783 .Case("atomic", true)
6784 .Case("getter", true)
6785 .Case("setter", true)
6786 .Case("strong", true)
6788 .Case("class", true)
6790 Tokens[I].int_data[0] = CXToken_Keyword;
6795 if (Cursors[I].kind == CXCursor_ObjCInstanceMethodDecl ||
6796 Cursors[I].kind == CXCursor_ObjCClassMethodDecl) {
6797 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6798 if (llvm::StringSwitch<bool>(II->getName())
6801 .Case("inout", true)
6802 .Case("oneway", true)
6803 .Case("bycopy", true)
6804 .Case("byref", true)
6806 Tokens[I].int_data[0] = CXToken_Keyword;
6810 if (Cursors[I].kind == CXCursor_CXXFinalAttr ||
6811 Cursors[I].kind == CXCursor_CXXOverrideAttr) {
6812 Tokens[I].int_data[0] = CXToken_Keyword;
6821 void clang_annotateTokens(CXTranslationUnit TU,
6822 CXToken *Tokens, unsigned NumTokens,
6823 CXCursor *Cursors) {
6824 if (isNotUsableTU(TU)) {
6828 if (NumTokens == 0 || !Tokens || !Cursors) {
6829 LOG_FUNC_SECTION { *Log << "<null input>"; }
6835 CXSourceLocation bloc = clang_getTokenLocation(TU, Tokens[0]);
6836 CXSourceLocation eloc = clang_getTokenLocation(TU, Tokens[NumTokens-1]);
6837 *Log << clang_getRange(bloc, eloc);
6840 // Any token we don't specifically annotate will have a NULL cursor.
6841 CXCursor C = clang_getNullCursor();
6842 for (unsigned I = 0; I != NumTokens; ++I)
6845 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6849 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
6851 auto AnnotateTokensImpl = [=]() {
6852 clang_annotateTokensImpl(TU, CXXUnit, Tokens, NumTokens, Cursors);
6854 llvm::CrashRecoveryContext CRC;
6855 if (!RunSafely(CRC, AnnotateTokensImpl, GetSafetyThreadStackSize() * 2)) {
6856 fprintf(stderr, "libclang: crash detected while annotating tokens\n");
6860 } // end: extern "C"
6862 //===----------------------------------------------------------------------===//
6863 // Operations for querying linkage of a cursor.
6864 //===----------------------------------------------------------------------===//
6867 CXLinkageKind clang_getCursorLinkage(CXCursor cursor) {
6868 if (!clang_isDeclaration(cursor.kind))
6869 return CXLinkage_Invalid;
6871 const Decl *D = cxcursor::getCursorDecl(cursor);
6872 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6873 switch (ND->getLinkageInternal()) {
6875 case VisibleNoLinkage: return CXLinkage_NoLinkage;
6876 case InternalLinkage: return CXLinkage_Internal;
6877 case UniqueExternalLinkage: return CXLinkage_UniqueExternal;
6878 case ExternalLinkage: return CXLinkage_External;
6881 return CXLinkage_Invalid;
6883 } // end: extern "C"
6885 //===----------------------------------------------------------------------===//
6886 // Operations for querying visibility of a cursor.
6887 //===----------------------------------------------------------------------===//
6890 CXVisibilityKind clang_getCursorVisibility(CXCursor cursor) {
6891 if (!clang_isDeclaration(cursor.kind))
6892 return CXVisibility_Invalid;
6894 const Decl *D = cxcursor::getCursorDecl(cursor);
6895 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6896 switch (ND->getVisibility()) {
6897 case HiddenVisibility: return CXVisibility_Hidden;
6898 case ProtectedVisibility: return CXVisibility_Protected;
6899 case DefaultVisibility: return CXVisibility_Default;
6902 return CXVisibility_Invalid;
6904 } // end: extern "C"
6906 //===----------------------------------------------------------------------===//
6907 // Operations for querying language of a cursor.
6908 //===----------------------------------------------------------------------===//
6910 static CXLanguageKind getDeclLanguage(const Decl *D) {
6912 return CXLanguage_C;
6914 switch (D->getKind()) {
6917 case Decl::ImplicitParam:
6918 case Decl::ObjCAtDefsField:
6919 case Decl::ObjCCategory:
6920 case Decl::ObjCCategoryImpl:
6921 case Decl::ObjCCompatibleAlias:
6922 case Decl::ObjCImplementation:
6923 case Decl::ObjCInterface:
6924 case Decl::ObjCIvar:
6925 case Decl::ObjCMethod:
6926 case Decl::ObjCProperty:
6927 case Decl::ObjCPropertyImpl:
6928 case Decl::ObjCProtocol:
6929 case Decl::ObjCTypeParam:
6930 return CXLanguage_ObjC;
6931 case Decl::CXXConstructor:
6932 case Decl::CXXConversion:
6933 case Decl::CXXDestructor:
6934 case Decl::CXXMethod:
6935 case Decl::CXXRecord:
6936 case Decl::ClassTemplate:
6937 case Decl::ClassTemplatePartialSpecialization:
6938 case Decl::ClassTemplateSpecialization:
6940 case Decl::FriendTemplate:
6941 case Decl::FunctionTemplate:
6942 case Decl::LinkageSpec:
6943 case Decl::Namespace:
6944 case Decl::NamespaceAlias:
6945 case Decl::NonTypeTemplateParm:
6946 case Decl::StaticAssert:
6947 case Decl::TemplateTemplateParm:
6948 case Decl::TemplateTypeParm:
6949 case Decl::UnresolvedUsingTypename:
6950 case Decl::UnresolvedUsingValue:
6952 case Decl::UsingDirective:
6953 case Decl::UsingShadow:
6954 return CXLanguage_CPlusPlus;
6957 return CXLanguage_C;
6962 static CXAvailabilityKind getCursorAvailabilityForDecl(const Decl *D) {
6963 if (isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->isDeleted())
6964 return CXAvailability_NotAvailable;
6966 switch (D->getAvailability()) {
6968 case AR_NotYetIntroduced:
6969 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6970 return getCursorAvailabilityForDecl(
6971 cast<Decl>(EnumConst->getDeclContext()));
6972 return CXAvailability_Available;
6975 return CXAvailability_Deprecated;
6977 case AR_Unavailable:
6978 return CXAvailability_NotAvailable;
6981 llvm_unreachable("Unknown availability kind!");
6984 enum CXAvailabilityKind clang_getCursorAvailability(CXCursor cursor) {
6985 if (clang_isDeclaration(cursor.kind))
6986 if (const Decl *D = cxcursor::getCursorDecl(cursor))
6987 return getCursorAvailabilityForDecl(D);
6989 return CXAvailability_Available;
6992 static CXVersion convertVersion(VersionTuple In) {
6993 CXVersion Out = { -1, -1, -1 };
6997 Out.Major = In.getMajor();
6999 Optional<unsigned> Minor = In.getMinor();
7000 if (Minor.hasValue())
7005 Optional<unsigned> Subminor = In.getSubminor();
7006 if (Subminor.hasValue())
7007 Out.Subminor = *Subminor;
7012 static int getCursorPlatformAvailabilityForDecl(const Decl *D,
7013 int *always_deprecated,
7014 CXString *deprecated_message,
7015 int *always_unavailable,
7016 CXString *unavailable_message,
7017 CXPlatformAvailability *availability,
7018 int availability_size) {
7019 bool HadAvailAttr = false;
7021 for (auto A : D->attrs()) {
7022 if (DeprecatedAttr *Deprecated = dyn_cast<DeprecatedAttr>(A)) {
7023 HadAvailAttr = true;
7024 if (always_deprecated)
7025 *always_deprecated = 1;
7026 if (deprecated_message) {
7027 clang_disposeString(*deprecated_message);
7028 *deprecated_message = cxstring::createDup(Deprecated->getMessage());
7033 if (UnavailableAttr *Unavailable = dyn_cast<UnavailableAttr>(A)) {
7034 HadAvailAttr = true;
7035 if (always_unavailable)
7036 *always_unavailable = 1;
7037 if (unavailable_message) {
7038 clang_disposeString(*unavailable_message);
7039 *unavailable_message = cxstring::createDup(Unavailable->getMessage());
7044 if (AvailabilityAttr *Avail = dyn_cast<AvailabilityAttr>(A)) {
7045 HadAvailAttr = true;
7046 if (N < availability_size) {
7047 availability[N].Platform
7048 = cxstring::createDup(Avail->getPlatform()->getName());
7049 availability[N].Introduced = convertVersion(Avail->getIntroduced());
7050 availability[N].Deprecated = convertVersion(Avail->getDeprecated());
7051 availability[N].Obsoleted = convertVersion(Avail->getObsoleted());
7052 availability[N].Unavailable = Avail->getUnavailable();
7053 availability[N].Message = cxstring::createDup(Avail->getMessage());
7060 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
7061 return getCursorPlatformAvailabilityForDecl(
7062 cast<Decl>(EnumConst->getDeclContext()),
7066 unavailable_message,
7073 int clang_getCursorPlatformAvailability(CXCursor cursor,
7074 int *always_deprecated,
7075 CXString *deprecated_message,
7076 int *always_unavailable,
7077 CXString *unavailable_message,
7078 CXPlatformAvailability *availability,
7079 int availability_size) {
7080 if (always_deprecated)
7081 *always_deprecated = 0;
7082 if (deprecated_message)
7083 *deprecated_message = cxstring::createEmpty();
7084 if (always_unavailable)
7085 *always_unavailable = 0;
7086 if (unavailable_message)
7087 *unavailable_message = cxstring::createEmpty();
7089 if (!clang_isDeclaration(cursor.kind))
7092 const Decl *D = cxcursor::getCursorDecl(cursor);
7096 return getCursorPlatformAvailabilityForDecl(D, always_deprecated,
7099 unavailable_message,
7104 void clang_disposeCXPlatformAvailability(CXPlatformAvailability *availability) {
7105 clang_disposeString(availability->Platform);
7106 clang_disposeString(availability->Message);
7109 CXLanguageKind clang_getCursorLanguage(CXCursor cursor) {
7110 if (clang_isDeclaration(cursor.kind))
7111 return getDeclLanguage(cxcursor::getCursorDecl(cursor));
7113 return CXLanguage_Invalid;
7116 /// \brief If the given cursor is the "templated" declaration
7117 /// descibing a class or function template, return the class or
7118 /// function template.
7119 static const Decl *maybeGetTemplateCursor(const Decl *D) {
7123 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
7124 if (FunctionTemplateDecl *FunTmpl = FD->getDescribedFunctionTemplate())
7127 if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D))
7128 if (ClassTemplateDecl *ClassTmpl = RD->getDescribedClassTemplate())
7135 enum CX_StorageClass clang_Cursor_getStorageClass(CXCursor C) {
7136 StorageClass sc = SC_None;
7137 const Decl *D = getCursorDecl(C);
7139 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
7140 sc = FD->getStorageClass();
7141 } else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
7142 sc = VD->getStorageClass();
7144 return CX_SC_Invalid;
7147 return CX_SC_Invalid;
7153 return CX_SC_Extern;
7155 return CX_SC_Static;
7156 case SC_PrivateExtern:
7157 return CX_SC_PrivateExtern;
7161 return CX_SC_Register;
7163 llvm_unreachable("Unhandled storage class!");
7166 CXCursor clang_getCursorSemanticParent(CXCursor cursor) {
7167 if (clang_isDeclaration(cursor.kind)) {
7168 if (const Decl *D = getCursorDecl(cursor)) {
7169 const DeclContext *DC = D->getDeclContext();
7171 return clang_getNullCursor();
7173 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
7174 getCursorTU(cursor));
7178 if (clang_isStatement(cursor.kind) || clang_isExpression(cursor.kind)) {
7179 if (const Decl *D = getCursorDecl(cursor))
7180 return MakeCXCursor(D, getCursorTU(cursor));
7183 return clang_getNullCursor();
7186 CXCursor clang_getCursorLexicalParent(CXCursor cursor) {
7187 if (clang_isDeclaration(cursor.kind)) {
7188 if (const Decl *D = getCursorDecl(cursor)) {
7189 const DeclContext *DC = D->getLexicalDeclContext();
7191 return clang_getNullCursor();
7193 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
7194 getCursorTU(cursor));
7198 // FIXME: Note that we can't easily compute the lexical context of a
7199 // statement or expression, so we return nothing.
7200 return clang_getNullCursor();
7203 CXFile clang_getIncludedFile(CXCursor cursor) {
7204 if (cursor.kind != CXCursor_InclusionDirective)
7207 const InclusionDirective *ID = getCursorInclusionDirective(cursor);
7208 return const_cast<FileEntry *>(ID->getFile());
7211 unsigned clang_Cursor_getObjCPropertyAttributes(CXCursor C, unsigned reserved) {
7212 if (C.kind != CXCursor_ObjCPropertyDecl)
7213 return CXObjCPropertyAttr_noattr;
7215 unsigned Result = CXObjCPropertyAttr_noattr;
7216 const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(getCursorDecl(C));
7217 ObjCPropertyDecl::PropertyAttributeKind Attr =
7218 PD->getPropertyAttributesAsWritten();
7220 #define SET_CXOBJCPROP_ATTR(A) \
7221 if (Attr & ObjCPropertyDecl::OBJC_PR_##A) \
7222 Result |= CXObjCPropertyAttr_##A
7223 SET_CXOBJCPROP_ATTR(readonly);
7224 SET_CXOBJCPROP_ATTR(getter);
7225 SET_CXOBJCPROP_ATTR(assign);
7226 SET_CXOBJCPROP_ATTR(readwrite);
7227 SET_CXOBJCPROP_ATTR(retain);
7228 SET_CXOBJCPROP_ATTR(copy);
7229 SET_CXOBJCPROP_ATTR(nonatomic);
7230 SET_CXOBJCPROP_ATTR(setter);
7231 SET_CXOBJCPROP_ATTR(atomic);
7232 SET_CXOBJCPROP_ATTR(weak);
7233 SET_CXOBJCPROP_ATTR(strong);
7234 SET_CXOBJCPROP_ATTR(unsafe_unretained);
7235 SET_CXOBJCPROP_ATTR(class);
7236 #undef SET_CXOBJCPROP_ATTR
7241 unsigned clang_Cursor_getObjCDeclQualifiers(CXCursor C) {
7242 if (!clang_isDeclaration(C.kind))
7243 return CXObjCDeclQualifier_None;
7245 Decl::ObjCDeclQualifier QT = Decl::OBJC_TQ_None;
7246 const Decl *D = getCursorDecl(C);
7247 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
7248 QT = MD->getObjCDeclQualifier();
7249 else if (const ParmVarDecl *PD = dyn_cast<ParmVarDecl>(D))
7250 QT = PD->getObjCDeclQualifier();
7251 if (QT == Decl::OBJC_TQ_None)
7252 return CXObjCDeclQualifier_None;
7254 unsigned Result = CXObjCDeclQualifier_None;
7255 if (QT & Decl::OBJC_TQ_In) Result |= CXObjCDeclQualifier_In;
7256 if (QT & Decl::OBJC_TQ_Inout) Result |= CXObjCDeclQualifier_Inout;
7257 if (QT & Decl::OBJC_TQ_Out) Result |= CXObjCDeclQualifier_Out;
7258 if (QT & Decl::OBJC_TQ_Bycopy) Result |= CXObjCDeclQualifier_Bycopy;
7259 if (QT & Decl::OBJC_TQ_Byref) Result |= CXObjCDeclQualifier_Byref;
7260 if (QT & Decl::OBJC_TQ_Oneway) Result |= CXObjCDeclQualifier_Oneway;
7265 unsigned clang_Cursor_isObjCOptional(CXCursor C) {
7266 if (!clang_isDeclaration(C.kind))
7269 const Decl *D = getCursorDecl(C);
7270 if (const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(D))
7271 return PD->getPropertyImplementation() == ObjCPropertyDecl::Optional;
7272 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
7273 return MD->getImplementationControl() == ObjCMethodDecl::Optional;
7278 unsigned clang_Cursor_isVariadic(CXCursor C) {
7279 if (!clang_isDeclaration(C.kind))
7282 const Decl *D = getCursorDecl(C);
7283 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
7284 return FD->isVariadic();
7285 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
7286 return MD->isVariadic();
7291 CXSourceRange clang_Cursor_getCommentRange(CXCursor C) {
7292 if (!clang_isDeclaration(C.kind))
7293 return clang_getNullRange();
7295 const Decl *D = getCursorDecl(C);
7296 ASTContext &Context = getCursorContext(C);
7297 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
7299 return clang_getNullRange();
7301 return cxloc::translateSourceRange(Context, RC->getSourceRange());
7304 CXString clang_Cursor_getRawCommentText(CXCursor C) {
7305 if (!clang_isDeclaration(C.kind))
7306 return cxstring::createNull();
7308 const Decl *D = getCursorDecl(C);
7309 ASTContext &Context = getCursorContext(C);
7310 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
7311 StringRef RawText = RC ? RC->getRawText(Context.getSourceManager()) :
7314 // Don't duplicate the string because RawText points directly into source
7316 return cxstring::createRef(RawText);
7319 CXString clang_Cursor_getBriefCommentText(CXCursor C) {
7320 if (!clang_isDeclaration(C.kind))
7321 return cxstring::createNull();
7323 const Decl *D = getCursorDecl(C);
7324 const ASTContext &Context = getCursorContext(C);
7325 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
7328 StringRef BriefText = RC->getBriefText(Context);
7330 // Don't duplicate the string because RawComment ensures that this memory
7331 // will not go away.
7332 return cxstring::createRef(BriefText);
7335 return cxstring::createNull();
7338 CXModule clang_Cursor_getModule(CXCursor C) {
7339 if (C.kind == CXCursor_ModuleImportDecl) {
7340 if (const ImportDecl *ImportD =
7341 dyn_cast_or_null<ImportDecl>(getCursorDecl(C)))
7342 return ImportD->getImportedModule();
7348 CXModule clang_getModuleForFile(CXTranslationUnit TU, CXFile File) {
7349 if (isNotUsableTU(TU)) {
7355 FileEntry *FE = static_cast<FileEntry *>(File);
7357 ASTUnit &Unit = *cxtu::getASTUnit(TU);
7358 HeaderSearch &HS = Unit.getPreprocessor().getHeaderSearchInfo();
7359 ModuleMap::KnownHeader Header = HS.findModuleForHeader(FE);
7361 return Header.getModule();
7364 CXFile clang_Module_getASTFile(CXModule CXMod) {
7367 Module *Mod = static_cast<Module*>(CXMod);
7368 return const_cast<FileEntry *>(Mod->getASTFile());
7371 CXModule clang_Module_getParent(CXModule CXMod) {
7374 Module *Mod = static_cast<Module*>(CXMod);
7378 CXString clang_Module_getName(CXModule CXMod) {
7380 return cxstring::createEmpty();
7381 Module *Mod = static_cast<Module*>(CXMod);
7382 return cxstring::createDup(Mod->Name);
7385 CXString clang_Module_getFullName(CXModule CXMod) {
7387 return cxstring::createEmpty();
7388 Module *Mod = static_cast<Module*>(CXMod);
7389 return cxstring::createDup(Mod->getFullModuleName());
7392 int clang_Module_isSystem(CXModule CXMod) {
7395 Module *Mod = static_cast<Module*>(CXMod);
7396 return Mod->IsSystem;
7399 unsigned clang_Module_getNumTopLevelHeaders(CXTranslationUnit TU,
7401 if (isNotUsableTU(TU)) {
7407 Module *Mod = static_cast<Module*>(CXMod);
7408 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7409 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7410 return TopHeaders.size();
7413 CXFile clang_Module_getTopLevelHeader(CXTranslationUnit TU,
7414 CXModule CXMod, unsigned Index) {
7415 if (isNotUsableTU(TU)) {
7421 Module *Mod = static_cast<Module*>(CXMod);
7422 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7424 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7425 if (Index < TopHeaders.size())
7426 return const_cast<FileEntry *>(TopHeaders[Index]);
7431 } // end: extern "C"
7433 //===----------------------------------------------------------------------===//
7434 // C++ AST instrospection.
7435 //===----------------------------------------------------------------------===//
7439 unsigned clang_CXXConstructor_isDefaultConstructor(CXCursor C) {
7440 if (!clang_isDeclaration(C.kind))
7443 const Decl *D = cxcursor::getCursorDecl(C);
7444 const CXXConstructorDecl *Constructor =
7445 D ? dyn_cast_or_null<CXXConstructorDecl>(D->getAsFunction()) : nullptr;
7446 return (Constructor && Constructor->isDefaultConstructor()) ? 1 : 0;
7449 unsigned clang_CXXConstructor_isCopyConstructor(CXCursor C) {
7450 if (!clang_isDeclaration(C.kind))
7453 const Decl *D = cxcursor::getCursorDecl(C);
7454 const CXXConstructorDecl *Constructor =
7455 D ? dyn_cast_or_null<CXXConstructorDecl>(D->getAsFunction()) : nullptr;
7456 return (Constructor && Constructor->isCopyConstructor()) ? 1 : 0;
7459 unsigned clang_CXXConstructor_isMoveConstructor(CXCursor C) {
7460 if (!clang_isDeclaration(C.kind))
7463 const Decl *D = cxcursor::getCursorDecl(C);
7464 const CXXConstructorDecl *Constructor =
7465 D ? dyn_cast_or_null<CXXConstructorDecl>(D->getAsFunction()) : nullptr;
7466 return (Constructor && Constructor->isMoveConstructor()) ? 1 : 0;
7469 unsigned clang_CXXConstructor_isConvertingConstructor(CXCursor C) {
7470 if (!clang_isDeclaration(C.kind))
7473 const Decl *D = cxcursor::getCursorDecl(C);
7474 const CXXConstructorDecl *Constructor =
7475 D ? dyn_cast_or_null<CXXConstructorDecl>(D->getAsFunction()) : nullptr;
7476 // Passing 'false' excludes constructors marked 'explicit'.
7477 return (Constructor && Constructor->isConvertingConstructor(false)) ? 1 : 0;
7480 unsigned clang_CXXField_isMutable(CXCursor C) {
7481 if (!clang_isDeclaration(C.kind))
7484 if (const auto D = cxcursor::getCursorDecl(C))
7485 if (const auto FD = dyn_cast_or_null<FieldDecl>(D))
7486 return FD->isMutable() ? 1 : 0;
7490 unsigned clang_CXXMethod_isPureVirtual(CXCursor C) {
7491 if (!clang_isDeclaration(C.kind))
7494 const Decl *D = cxcursor::getCursorDecl(C);
7495 const CXXMethodDecl *Method =
7496 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7497 return (Method && Method->isVirtual() && Method->isPure()) ? 1 : 0;
7500 unsigned clang_CXXMethod_isConst(CXCursor C) {
7501 if (!clang_isDeclaration(C.kind))
7504 const Decl *D = cxcursor::getCursorDecl(C);
7505 const CXXMethodDecl *Method =
7506 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7507 return (Method && (Method->getTypeQualifiers() & Qualifiers::Const)) ? 1 : 0;
7510 unsigned clang_CXXMethod_isDefaulted(CXCursor C) {
7511 if (!clang_isDeclaration(C.kind))
7514 const Decl *D = cxcursor::getCursorDecl(C);
7515 const CXXMethodDecl *Method =
7516 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7517 return (Method && Method->isDefaulted()) ? 1 : 0;
7520 unsigned clang_CXXMethod_isStatic(CXCursor C) {
7521 if (!clang_isDeclaration(C.kind))
7524 const Decl *D = cxcursor::getCursorDecl(C);
7525 const CXXMethodDecl *Method =
7526 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7527 return (Method && Method->isStatic()) ? 1 : 0;
7530 unsigned clang_CXXMethod_isVirtual(CXCursor C) {
7531 if (!clang_isDeclaration(C.kind))
7534 const Decl *D = cxcursor::getCursorDecl(C);
7535 const CXXMethodDecl *Method =
7536 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7537 return (Method && Method->isVirtual()) ? 1 : 0;
7539 } // end: extern "C"
7541 //===----------------------------------------------------------------------===//
7542 // Attribute introspection.
7543 //===----------------------------------------------------------------------===//
7546 CXType clang_getIBOutletCollectionType(CXCursor C) {
7547 if (C.kind != CXCursor_IBOutletCollectionAttr)
7548 return cxtype::MakeCXType(QualType(), cxcursor::getCursorTU(C));
7550 const IBOutletCollectionAttr *A =
7551 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
7553 return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorTU(C));
7555 } // end: extern "C"
7557 //===----------------------------------------------------------------------===//
7558 // Inspecting memory usage.
7559 //===----------------------------------------------------------------------===//
7561 typedef std::vector<CXTUResourceUsageEntry> MemUsageEntries;
7563 static inline void createCXTUResourceUsageEntry(MemUsageEntries &entries,
7564 enum CXTUResourceUsageKind k,
7565 unsigned long amount) {
7566 CXTUResourceUsageEntry entry = { k, amount };
7567 entries.push_back(entry);
7572 const char *clang_getTUResourceUsageName(CXTUResourceUsageKind kind) {
7573 const char *str = "";
7575 case CXTUResourceUsage_AST:
7576 str = "ASTContext: expressions, declarations, and types";
7578 case CXTUResourceUsage_Identifiers:
7579 str = "ASTContext: identifiers";
7581 case CXTUResourceUsage_Selectors:
7582 str = "ASTContext: selectors";
7584 case CXTUResourceUsage_GlobalCompletionResults:
7585 str = "Code completion: cached global results";
7587 case CXTUResourceUsage_SourceManagerContentCache:
7588 str = "SourceManager: content cache allocator";
7590 case CXTUResourceUsage_AST_SideTables:
7591 str = "ASTContext: side tables";
7593 case CXTUResourceUsage_SourceManager_Membuffer_Malloc:
7594 str = "SourceManager: malloc'ed memory buffers";
7596 case CXTUResourceUsage_SourceManager_Membuffer_MMap:
7597 str = "SourceManager: mmap'ed memory buffers";
7599 case CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc:
7600 str = "ExternalASTSource: malloc'ed memory buffers";
7602 case CXTUResourceUsage_ExternalASTSource_Membuffer_MMap:
7603 str = "ExternalASTSource: mmap'ed memory buffers";
7605 case CXTUResourceUsage_Preprocessor:
7606 str = "Preprocessor: malloc'ed memory";
7608 case CXTUResourceUsage_PreprocessingRecord:
7609 str = "Preprocessor: PreprocessingRecord";
7611 case CXTUResourceUsage_SourceManager_DataStructures:
7612 str = "SourceManager: data structures and tables";
7614 case CXTUResourceUsage_Preprocessor_HeaderSearch:
7615 str = "Preprocessor: header search tables";
7621 CXTUResourceUsage clang_getCXTUResourceUsage(CXTranslationUnit TU) {
7622 if (isNotUsableTU(TU)) {
7624 CXTUResourceUsage usage = { (void*) nullptr, 0, nullptr };
7628 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7629 std::unique_ptr<MemUsageEntries> entries(new MemUsageEntries());
7630 ASTContext &astContext = astUnit->getASTContext();
7632 // How much memory is used by AST nodes and types?
7633 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST,
7634 (unsigned long) astContext.getASTAllocatedMemory());
7636 // How much memory is used by identifiers?
7637 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Identifiers,
7638 (unsigned long) astContext.Idents.getAllocator().getTotalMemory());
7640 // How much memory is used for selectors?
7641 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Selectors,
7642 (unsigned long) astContext.Selectors.getTotalMemory());
7644 // How much memory is used by ASTContext's side tables?
7645 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST_SideTables,
7646 (unsigned long) astContext.getSideTableAllocatedMemory());
7648 // How much memory is used for caching global code completion results?
7649 unsigned long completionBytes = 0;
7650 if (GlobalCodeCompletionAllocator *completionAllocator =
7651 astUnit->getCachedCompletionAllocator().get()) {
7652 completionBytes = completionAllocator->getTotalMemory();
7654 createCXTUResourceUsageEntry(*entries,
7655 CXTUResourceUsage_GlobalCompletionResults,
7658 // How much memory is being used by SourceManager's content cache?
7659 createCXTUResourceUsageEntry(*entries,
7660 CXTUResourceUsage_SourceManagerContentCache,
7661 (unsigned long) astContext.getSourceManager().getContentCacheSize());
7663 // How much memory is being used by the MemoryBuffer's in SourceManager?
7664 const SourceManager::MemoryBufferSizes &srcBufs =
7665 astUnit->getSourceManager().getMemoryBufferSizes();
7667 createCXTUResourceUsageEntry(*entries,
7668 CXTUResourceUsage_SourceManager_Membuffer_Malloc,
7669 (unsigned long) srcBufs.malloc_bytes);
7670 createCXTUResourceUsageEntry(*entries,
7671 CXTUResourceUsage_SourceManager_Membuffer_MMap,
7672 (unsigned long) srcBufs.mmap_bytes);
7673 createCXTUResourceUsageEntry(*entries,
7674 CXTUResourceUsage_SourceManager_DataStructures,
7675 (unsigned long) astContext.getSourceManager()
7676 .getDataStructureSizes());
7678 // How much memory is being used by the ExternalASTSource?
7679 if (ExternalASTSource *esrc = astContext.getExternalSource()) {
7680 const ExternalASTSource::MemoryBufferSizes &sizes =
7681 esrc->getMemoryBufferSizes();
7683 createCXTUResourceUsageEntry(*entries,
7684 CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc,
7685 (unsigned long) sizes.malloc_bytes);
7686 createCXTUResourceUsageEntry(*entries,
7687 CXTUResourceUsage_ExternalASTSource_Membuffer_MMap,
7688 (unsigned long) sizes.mmap_bytes);
7691 // How much memory is being used by the Preprocessor?
7692 Preprocessor &pp = astUnit->getPreprocessor();
7693 createCXTUResourceUsageEntry(*entries,
7694 CXTUResourceUsage_Preprocessor,
7695 pp.getTotalMemory());
7697 if (PreprocessingRecord *pRec = pp.getPreprocessingRecord()) {
7698 createCXTUResourceUsageEntry(*entries,
7699 CXTUResourceUsage_PreprocessingRecord,
7700 pRec->getTotalMemory());
7703 createCXTUResourceUsageEntry(*entries,
7704 CXTUResourceUsage_Preprocessor_HeaderSearch,
7705 pp.getHeaderSearchInfo().getTotalMemory());
7707 CXTUResourceUsage usage = { (void*) entries.get(),
7708 (unsigned) entries->size(),
7709 !entries->empty() ? &(*entries)[0] : nullptr };
7714 void clang_disposeCXTUResourceUsage(CXTUResourceUsage usage) {
7716 delete (MemUsageEntries*) usage.data;
7719 CXSourceRangeList *clang_getSkippedRanges(CXTranslationUnit TU, CXFile file) {
7720 CXSourceRangeList *skipped = new CXSourceRangeList;
7722 skipped->ranges = nullptr;
7724 if (isNotUsableTU(TU)) {
7732 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7733 PreprocessingRecord *ppRec = astUnit->getPreprocessor().getPreprocessingRecord();
7737 ASTContext &Ctx = astUnit->getASTContext();
7738 SourceManager &sm = Ctx.getSourceManager();
7739 FileEntry *fileEntry = static_cast<FileEntry *>(file);
7740 FileID wantedFileID = sm.translateFile(fileEntry);
7742 const std::vector<SourceRange> &SkippedRanges = ppRec->getSkippedRanges();
7743 std::vector<SourceRange> wantedRanges;
7744 for (std::vector<SourceRange>::const_iterator i = SkippedRanges.begin(), ei = SkippedRanges.end();
7746 if (sm.getFileID(i->getBegin()) == wantedFileID || sm.getFileID(i->getEnd()) == wantedFileID)
7747 wantedRanges.push_back(*i);
7750 skipped->count = wantedRanges.size();
7751 skipped->ranges = new CXSourceRange[skipped->count];
7752 for (unsigned i = 0, ei = skipped->count; i != ei; ++i)
7753 skipped->ranges[i] = cxloc::translateSourceRange(Ctx, wantedRanges[i]);
7758 void clang_disposeSourceRangeList(CXSourceRangeList *ranges) {
7760 delete[] ranges->ranges;
7767 void clang::PrintLibclangResourceUsage(CXTranslationUnit TU) {
7768 CXTUResourceUsage Usage = clang_getCXTUResourceUsage(TU);
7769 for (unsigned I = 0; I != Usage.numEntries; ++I)
7770 fprintf(stderr, " %s: %lu\n",
7771 clang_getTUResourceUsageName(Usage.entries[I].kind),
7772 Usage.entries[I].amount);
7774 clang_disposeCXTUResourceUsage(Usage);
7777 //===----------------------------------------------------------------------===//
7778 // Misc. utility functions.
7779 //===----------------------------------------------------------------------===//
7781 /// Default to using an 8 MB stack size on "safety" threads.
7782 static unsigned SafetyStackThreadSize = 8 << 20;
7786 bool RunSafely(llvm::CrashRecoveryContext &CRC, llvm::function_ref<void()> Fn,
7789 Size = GetSafetyThreadStackSize();
7791 return CRC.RunSafelyOnThread(Fn, Size);
7792 return CRC.RunSafely(Fn);
7795 unsigned GetSafetyThreadStackSize() {
7796 return SafetyStackThreadSize;
7799 void SetSafetyThreadStackSize(unsigned Value) {
7800 SafetyStackThreadSize = Value;
7805 void clang::setThreadBackgroundPriority() {
7806 if (getenv("LIBCLANG_BGPRIO_DISABLE"))
7809 #ifdef USE_DARWIN_THREADS
7810 setpriority(PRIO_DARWIN_THREAD, 0, PRIO_DARWIN_BG);
7814 void cxindex::printDiagsToStderr(ASTUnit *Unit) {
7818 for (ASTUnit::stored_diag_iterator D = Unit->stored_diag_begin(),
7819 DEnd = Unit->stored_diag_end();
7821 CXStoredDiagnostic Diag(*D, Unit->getLangOpts());
7822 CXString Msg = clang_formatDiagnostic(&Diag,
7823 clang_defaultDiagnosticDisplayOptions());
7824 fprintf(stderr, "%s\n", clang_getCString(Msg));
7825 clang_disposeString(Msg);
7827 #ifdef LLVM_ON_WIN32
7828 // On Windows, force a flush, since there may be multiple copies of
7829 // stderr and stdout in the file system, all with different buffers
7830 // but writing to the same device.
7835 MacroInfo *cxindex::getMacroInfo(const IdentifierInfo &II,
7836 SourceLocation MacroDefLoc,
7837 CXTranslationUnit TU){
7838 if (MacroDefLoc.isInvalid() || !TU)
7840 if (!II.hadMacroDefinition())
7843 ASTUnit *Unit = cxtu::getASTUnit(TU);
7844 Preprocessor &PP = Unit->getPreprocessor();
7845 MacroDirective *MD = PP.getLocalMacroDirectiveHistory(&II);
7847 for (MacroDirective::DefInfo
7848 Def = MD->getDefinition(); Def; Def = Def.getPreviousDefinition()) {
7849 if (MacroDefLoc == Def.getMacroInfo()->getDefinitionLoc())
7850 return Def.getMacroInfo();
7857 const MacroInfo *cxindex::getMacroInfo(const MacroDefinitionRecord *MacroDef,
7858 CXTranslationUnit TU) {
7859 if (!MacroDef || !TU)
7861 const IdentifierInfo *II = MacroDef->getName();
7865 return getMacroInfo(*II, MacroDef->getLocation(), TU);
7868 MacroDefinitionRecord *
7869 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, const Token &Tok,
7870 CXTranslationUnit TU) {
7873 if (Tok.isNot(tok::raw_identifier))
7876 if (MI->getNumTokens() == 0)
7878 SourceRange DefRange(MI->getReplacementToken(0).getLocation(),
7879 MI->getDefinitionEndLoc());
7880 ASTUnit *Unit = cxtu::getASTUnit(TU);
7882 // Check that the token is inside the definition and not its argument list.
7883 SourceManager &SM = Unit->getSourceManager();
7884 if (SM.isBeforeInTranslationUnit(Tok.getLocation(), DefRange.getBegin()))
7886 if (SM.isBeforeInTranslationUnit(DefRange.getEnd(), Tok.getLocation()))
7889 Preprocessor &PP = Unit->getPreprocessor();
7890 PreprocessingRecord *PPRec = PP.getPreprocessingRecord();
7894 IdentifierInfo &II = PP.getIdentifierTable().get(Tok.getRawIdentifier());
7895 if (!II.hadMacroDefinition())
7898 // Check that the identifier is not one of the macro arguments.
7899 if (std::find(MI->arg_begin(), MI->arg_end(), &II) != MI->arg_end())
7902 MacroDirective *InnerMD = PP.getLocalMacroDirectiveHistory(&II);
7906 return PPRec->findMacroDefinition(InnerMD->getMacroInfo());
7909 MacroDefinitionRecord *
7910 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, SourceLocation Loc,
7911 CXTranslationUnit TU) {
7912 if (Loc.isInvalid() || !MI || !TU)
7915 if (MI->getNumTokens() == 0)
7917 ASTUnit *Unit = cxtu::getASTUnit(TU);
7918 Preprocessor &PP = Unit->getPreprocessor();
7919 if (!PP.getPreprocessingRecord())
7921 Loc = Unit->getSourceManager().getSpellingLoc(Loc);
7923 if (PP.getRawToken(Loc, Tok))
7926 return checkForMacroInMacroDefinition(MI, Tok, TU);
7931 CXString clang_getClangVersion() {
7932 return cxstring::createDup(getClangFullVersion());
7935 } // end: extern "C"
7937 Logger &cxindex::Logger::operator<<(CXTranslationUnit TU) {
7939 if (ASTUnit *Unit = cxtu::getASTUnit(TU)) {
7940 LogOS << '<' << Unit->getMainFileName() << '>';
7941 if (Unit->isMainFileAST())
7942 LogOS << " (" << Unit->getASTFileName() << ')';
7946 LogOS << "<NULL TU>";
7951 Logger &cxindex::Logger::operator<<(const FileEntry *FE) {
7952 *this << FE->getName();
7956 Logger &cxindex::Logger::operator<<(CXCursor cursor) {
7957 CXString cursorName = clang_getCursorDisplayName(cursor);
7958 *this << cursorName << "@" << clang_getCursorLocation(cursor);
7959 clang_disposeString(cursorName);
7963 Logger &cxindex::Logger::operator<<(CXSourceLocation Loc) {
7965 unsigned Line, Column;
7966 clang_getFileLocation(Loc, &File, &Line, &Column, nullptr);
7967 CXString FileName = clang_getFileName(File);
7968 *this << llvm::format("(%s:%d:%d)", clang_getCString(FileName), Line, Column);
7969 clang_disposeString(FileName);
7973 Logger &cxindex::Logger::operator<<(CXSourceRange range) {
7974 CXSourceLocation BLoc = clang_getRangeStart(range);
7975 CXSourceLocation ELoc = clang_getRangeEnd(range);
7978 unsigned BLine, BColumn;
7979 clang_getFileLocation(BLoc, &BFile, &BLine, &BColumn, nullptr);
7982 unsigned ELine, EColumn;
7983 clang_getFileLocation(ELoc, &EFile, &ELine, &EColumn, nullptr);
7985 CXString BFileName = clang_getFileName(BFile);
7986 if (BFile == EFile) {
7987 *this << llvm::format("[%s %d:%d-%d:%d]", clang_getCString(BFileName),
7988 BLine, BColumn, ELine, EColumn);
7990 CXString EFileName = clang_getFileName(EFile);
7991 *this << llvm::format("[%s:%d:%d - ", clang_getCString(BFileName),
7993 << llvm::format("%s:%d:%d]", clang_getCString(EFileName),
7995 clang_disposeString(EFileName);
7997 clang_disposeString(BFileName);
8001 Logger &cxindex::Logger::operator<<(CXString Str) {
8002 *this << clang_getCString(Str);
8006 Logger &cxindex::Logger::operator<<(const llvm::format_object_base &Fmt) {
8011 static llvm::ManagedStatic<llvm::sys::Mutex> LoggingMutex;
8013 cxindex::Logger::~Logger() {
8014 llvm::sys::ScopedLock L(*LoggingMutex);
8016 static llvm::TimeRecord sBeginTR = llvm::TimeRecord::getCurrentTime();
8018 raw_ostream &OS = llvm::errs();
8019 OS << "[libclang:" << Name << ':';
8021 #ifdef USE_DARWIN_THREADS
8022 // TODO: Portability.
8023 mach_port_t tid = pthread_mach_thread_np(pthread_self());
8027 llvm::TimeRecord TR = llvm::TimeRecord::getCurrentTime();
8028 OS << llvm::format("%7.4f] ", TR.getWallTime() - sBeginTR.getWallTime());
8032 llvm::sys::PrintStackTrace(OS);
8033 OS << "--------------------------------------------------\n";
8037 #ifdef CLANG_TOOL_EXTRA_BUILD
8038 // This anchor is used to force the linker to link the clang-tidy plugin.
8039 extern volatile int ClangTidyPluginAnchorSource;
8040 static int LLVM_ATTRIBUTE_UNUSED ClangTidyPluginAnchorDestination =
8041 ClangTidyPluginAnchorSource;