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);
1979 void AddDeclarationNameInfo(const Stmt *S);
1980 void AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier);
1981 void AddExplicitTemplateArgs(const TemplateArgumentLoc *A,
1982 unsigned NumTemplateArgs);
1983 void AddMemberRef(const FieldDecl *D, SourceLocation L);
1984 void AddStmt(const Stmt *S);
1985 void AddDecl(const Decl *D, bool isFirst = true);
1986 void AddTypeLoc(TypeSourceInfo *TI);
1987 void EnqueueChildren(const Stmt *S);
1988 void EnqueueChildren(const OMPClause *S);
1990 } // end anonyous namespace
1992 void EnqueueVisitor::AddDeclarationNameInfo(const Stmt *S) {
1993 // 'S' should always be non-null, since it comes from the
1994 // statement we are visiting.
1995 WL.push_back(DeclarationNameInfoVisit(S, Parent));
1999 EnqueueVisitor::AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
2001 WL.push_back(NestedNameSpecifierLocVisit(Qualifier, Parent));
2004 void EnqueueVisitor::AddStmt(const Stmt *S) {
2006 WL.push_back(StmtVisit(S, Parent));
2008 void EnqueueVisitor::AddDecl(const Decl *D, bool isFirst) {
2010 WL.push_back(DeclVisit(D, Parent, isFirst));
2012 void EnqueueVisitor::AddExplicitTemplateArgs(const TemplateArgumentLoc *A,
2013 unsigned NumTemplateArgs) {
2014 WL.push_back(ExplicitTemplateArgsVisit(A, A + NumTemplateArgs, Parent));
2016 void EnqueueVisitor::AddMemberRef(const FieldDecl *D, SourceLocation L) {
2018 WL.push_back(MemberRefVisit(D, L, Parent));
2020 void EnqueueVisitor::AddTypeLoc(TypeSourceInfo *TI) {
2022 WL.push_back(TypeLocVisit(TI->getTypeLoc(), Parent));
2024 void EnqueueVisitor::EnqueueChildren(const Stmt *S) {
2025 unsigned size = WL.size();
2026 for (const Stmt *SubStmt : S->children()) {
2029 if (size == WL.size())
2031 // Now reverse the entries we just added. This will match the DFS
2032 // ordering performed by the worklist.
2033 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2037 class OMPClauseEnqueue : public ConstOMPClauseVisitor<OMPClauseEnqueue> {
2038 EnqueueVisitor *Visitor;
2039 /// \brief Process clauses with list of variables.
2040 template <typename T>
2041 void VisitOMPClauseList(T *Node);
2043 OMPClauseEnqueue(EnqueueVisitor *Visitor) : Visitor(Visitor) { }
2044 #define OPENMP_CLAUSE(Name, Class) \
2045 void Visit##Class(const Class *C);
2046 #include "clang/Basic/OpenMPKinds.def"
2047 void VisitOMPClauseWithPreInit(const OMPClauseWithPreInit *C);
2048 void VisitOMPClauseWithPostUpdate(const OMPClauseWithPostUpdate *C);
2051 void OMPClauseEnqueue::VisitOMPClauseWithPreInit(
2052 const OMPClauseWithPreInit *C) {
2053 Visitor->AddStmt(C->getPreInitStmt());
2056 void OMPClauseEnqueue::VisitOMPClauseWithPostUpdate(
2057 const OMPClauseWithPostUpdate *C) {
2058 VisitOMPClauseWithPreInit(C);
2059 Visitor->AddStmt(C->getPostUpdateExpr());
2062 void OMPClauseEnqueue::VisitOMPIfClause(const OMPIfClause *C) {
2063 Visitor->AddStmt(C->getCondition());
2066 void OMPClauseEnqueue::VisitOMPFinalClause(const OMPFinalClause *C) {
2067 Visitor->AddStmt(C->getCondition());
2070 void OMPClauseEnqueue::VisitOMPNumThreadsClause(const OMPNumThreadsClause *C) {
2071 Visitor->AddStmt(C->getNumThreads());
2074 void OMPClauseEnqueue::VisitOMPSafelenClause(const OMPSafelenClause *C) {
2075 Visitor->AddStmt(C->getSafelen());
2078 void OMPClauseEnqueue::VisitOMPSimdlenClause(const OMPSimdlenClause *C) {
2079 Visitor->AddStmt(C->getSimdlen());
2082 void OMPClauseEnqueue::VisitOMPCollapseClause(const OMPCollapseClause *C) {
2083 Visitor->AddStmt(C->getNumForLoops());
2086 void OMPClauseEnqueue::VisitOMPDefaultClause(const OMPDefaultClause *C) { }
2088 void OMPClauseEnqueue::VisitOMPProcBindClause(const OMPProcBindClause *C) { }
2090 void OMPClauseEnqueue::VisitOMPScheduleClause(const OMPScheduleClause *C) {
2091 VisitOMPClauseWithPreInit(C);
2092 Visitor->AddStmt(C->getChunkSize());
2095 void OMPClauseEnqueue::VisitOMPOrderedClause(const OMPOrderedClause *C) {
2096 Visitor->AddStmt(C->getNumForLoops());
2099 void OMPClauseEnqueue::VisitOMPNowaitClause(const OMPNowaitClause *) {}
2101 void OMPClauseEnqueue::VisitOMPUntiedClause(const OMPUntiedClause *) {}
2103 void OMPClauseEnqueue::VisitOMPMergeableClause(const OMPMergeableClause *) {}
2105 void OMPClauseEnqueue::VisitOMPReadClause(const OMPReadClause *) {}
2107 void OMPClauseEnqueue::VisitOMPWriteClause(const OMPWriteClause *) {}
2109 void OMPClauseEnqueue::VisitOMPUpdateClause(const OMPUpdateClause *) {}
2111 void OMPClauseEnqueue::VisitOMPCaptureClause(const OMPCaptureClause *) {}
2113 void OMPClauseEnqueue::VisitOMPSeqCstClause(const OMPSeqCstClause *) {}
2115 void OMPClauseEnqueue::VisitOMPThreadsClause(const OMPThreadsClause *) {}
2117 void OMPClauseEnqueue::VisitOMPSIMDClause(const OMPSIMDClause *) {}
2119 void OMPClauseEnqueue::VisitOMPNogroupClause(const OMPNogroupClause *) {}
2121 void OMPClauseEnqueue::VisitOMPDeviceClause(const OMPDeviceClause *C) {
2122 Visitor->AddStmt(C->getDevice());
2125 void OMPClauseEnqueue::VisitOMPNumTeamsClause(const OMPNumTeamsClause *C) {
2126 Visitor->AddStmt(C->getNumTeams());
2129 void OMPClauseEnqueue::VisitOMPThreadLimitClause(const OMPThreadLimitClause *C) {
2130 Visitor->AddStmt(C->getThreadLimit());
2133 void OMPClauseEnqueue::VisitOMPPriorityClause(const OMPPriorityClause *C) {
2134 Visitor->AddStmt(C->getPriority());
2137 void OMPClauseEnqueue::VisitOMPGrainsizeClause(const OMPGrainsizeClause *C) {
2138 Visitor->AddStmt(C->getGrainsize());
2141 void OMPClauseEnqueue::VisitOMPNumTasksClause(const OMPNumTasksClause *C) {
2142 Visitor->AddStmt(C->getNumTasks());
2145 void OMPClauseEnqueue::VisitOMPHintClause(const OMPHintClause *C) {
2146 Visitor->AddStmt(C->getHint());
2149 template<typename T>
2150 void OMPClauseEnqueue::VisitOMPClauseList(T *Node) {
2151 for (const auto *I : Node->varlists()) {
2152 Visitor->AddStmt(I);
2156 void OMPClauseEnqueue::VisitOMPPrivateClause(const OMPPrivateClause *C) {
2157 VisitOMPClauseList(C);
2158 for (const auto *E : C->private_copies()) {
2159 Visitor->AddStmt(E);
2162 void OMPClauseEnqueue::VisitOMPFirstprivateClause(
2163 const OMPFirstprivateClause *C) {
2164 VisitOMPClauseList(C);
2165 VisitOMPClauseWithPreInit(C);
2166 for (const auto *E : C->private_copies()) {
2167 Visitor->AddStmt(E);
2169 for (const auto *E : C->inits()) {
2170 Visitor->AddStmt(E);
2173 void OMPClauseEnqueue::VisitOMPLastprivateClause(
2174 const OMPLastprivateClause *C) {
2175 VisitOMPClauseList(C);
2176 VisitOMPClauseWithPostUpdate(C);
2177 for (auto *E : C->private_copies()) {
2178 Visitor->AddStmt(E);
2180 for (auto *E : C->source_exprs()) {
2181 Visitor->AddStmt(E);
2183 for (auto *E : C->destination_exprs()) {
2184 Visitor->AddStmt(E);
2186 for (auto *E : C->assignment_ops()) {
2187 Visitor->AddStmt(E);
2190 void OMPClauseEnqueue::VisitOMPSharedClause(const OMPSharedClause *C) {
2191 VisitOMPClauseList(C);
2193 void OMPClauseEnqueue::VisitOMPReductionClause(const OMPReductionClause *C) {
2194 VisitOMPClauseList(C);
2195 VisitOMPClauseWithPostUpdate(C);
2196 for (auto *E : C->privates()) {
2197 Visitor->AddStmt(E);
2199 for (auto *E : C->lhs_exprs()) {
2200 Visitor->AddStmt(E);
2202 for (auto *E : C->rhs_exprs()) {
2203 Visitor->AddStmt(E);
2205 for (auto *E : C->reduction_ops()) {
2206 Visitor->AddStmt(E);
2209 void OMPClauseEnqueue::VisitOMPLinearClause(const OMPLinearClause *C) {
2210 VisitOMPClauseList(C);
2211 VisitOMPClauseWithPostUpdate(C);
2212 for (const auto *E : C->privates()) {
2213 Visitor->AddStmt(E);
2215 for (const auto *E : C->inits()) {
2216 Visitor->AddStmt(E);
2218 for (const auto *E : C->updates()) {
2219 Visitor->AddStmt(E);
2221 for (const auto *E : C->finals()) {
2222 Visitor->AddStmt(E);
2224 Visitor->AddStmt(C->getStep());
2225 Visitor->AddStmt(C->getCalcStep());
2227 void OMPClauseEnqueue::VisitOMPAlignedClause(const OMPAlignedClause *C) {
2228 VisitOMPClauseList(C);
2229 Visitor->AddStmt(C->getAlignment());
2231 void OMPClauseEnqueue::VisitOMPCopyinClause(const OMPCopyinClause *C) {
2232 VisitOMPClauseList(C);
2233 for (auto *E : C->source_exprs()) {
2234 Visitor->AddStmt(E);
2236 for (auto *E : C->destination_exprs()) {
2237 Visitor->AddStmt(E);
2239 for (auto *E : C->assignment_ops()) {
2240 Visitor->AddStmt(E);
2244 OMPClauseEnqueue::VisitOMPCopyprivateClause(const OMPCopyprivateClause *C) {
2245 VisitOMPClauseList(C);
2246 for (auto *E : C->source_exprs()) {
2247 Visitor->AddStmt(E);
2249 for (auto *E : C->destination_exprs()) {
2250 Visitor->AddStmt(E);
2252 for (auto *E : C->assignment_ops()) {
2253 Visitor->AddStmt(E);
2256 void OMPClauseEnqueue::VisitOMPFlushClause(const OMPFlushClause *C) {
2257 VisitOMPClauseList(C);
2259 void OMPClauseEnqueue::VisitOMPDependClause(const OMPDependClause *C) {
2260 VisitOMPClauseList(C);
2262 void OMPClauseEnqueue::VisitOMPMapClause(const OMPMapClause *C) {
2263 VisitOMPClauseList(C);
2265 void OMPClauseEnqueue::VisitOMPDistScheduleClause(
2266 const OMPDistScheduleClause *C) {
2267 VisitOMPClauseWithPreInit(C);
2268 Visitor->AddStmt(C->getChunkSize());
2270 void OMPClauseEnqueue::VisitOMPDefaultmapClause(
2271 const OMPDefaultmapClause * /*C*/) {}
2272 void OMPClauseEnqueue::VisitOMPToClause(const OMPToClause *C) {
2273 VisitOMPClauseList(C);
2275 void OMPClauseEnqueue::VisitOMPFromClause(const OMPFromClause *C) {
2276 VisitOMPClauseList(C);
2280 void EnqueueVisitor::EnqueueChildren(const OMPClause *S) {
2281 unsigned size = WL.size();
2282 OMPClauseEnqueue Visitor(this);
2284 if (size == WL.size())
2286 // Now reverse the entries we just added. This will match the DFS
2287 // ordering performed by the worklist.
2288 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2291 void EnqueueVisitor::VisitAddrLabelExpr(const AddrLabelExpr *E) {
2292 WL.push_back(LabelRefVisit(E->getLabel(), E->getLabelLoc(), Parent));
2294 void EnqueueVisitor::VisitBlockExpr(const BlockExpr *B) {
2295 AddDecl(B->getBlockDecl());
2297 void EnqueueVisitor::VisitCompoundLiteralExpr(const CompoundLiteralExpr *E) {
2299 AddTypeLoc(E->getTypeSourceInfo());
2301 void EnqueueVisitor::VisitCompoundStmt(const CompoundStmt *S) {
2302 for (auto &I : llvm::reverse(S->body()))
2305 void EnqueueVisitor::
2306 VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
2307 AddStmt(S->getSubStmt());
2308 AddDeclarationNameInfo(S);
2309 if (NestedNameSpecifierLoc QualifierLoc = S->getQualifierLoc())
2310 AddNestedNameSpecifierLoc(QualifierLoc);
2313 void EnqueueVisitor::
2314 VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E) {
2315 if (E->hasExplicitTemplateArgs())
2316 AddExplicitTemplateArgs(E->getTemplateArgs(), E->getNumTemplateArgs());
2317 AddDeclarationNameInfo(E);
2318 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2319 AddNestedNameSpecifierLoc(QualifierLoc);
2320 if (!E->isImplicitAccess())
2321 AddStmt(E->getBase());
2323 void EnqueueVisitor::VisitCXXNewExpr(const CXXNewExpr *E) {
2324 // Enqueue the initializer , if any.
2325 AddStmt(E->getInitializer());
2326 // Enqueue the array size, if any.
2327 AddStmt(E->getArraySize());
2328 // Enqueue the allocated type.
2329 AddTypeLoc(E->getAllocatedTypeSourceInfo());
2330 // Enqueue the placement arguments.
2331 for (unsigned I = E->getNumPlacementArgs(); I > 0; --I)
2332 AddStmt(E->getPlacementArg(I-1));
2334 void EnqueueVisitor::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *CE) {
2335 for (unsigned I = CE->getNumArgs(); I > 1 /* Yes, this is 1 */; --I)
2336 AddStmt(CE->getArg(I-1));
2337 AddStmt(CE->getCallee());
2338 AddStmt(CE->getArg(0));
2340 void EnqueueVisitor::VisitCXXPseudoDestructorExpr(
2341 const CXXPseudoDestructorExpr *E) {
2342 // Visit the name of the type being destroyed.
2343 AddTypeLoc(E->getDestroyedTypeInfo());
2344 // Visit the scope type that looks disturbingly like the nested-name-specifier
2346 AddTypeLoc(E->getScopeTypeInfo());
2347 // Visit the nested-name-specifier.
2348 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2349 AddNestedNameSpecifierLoc(QualifierLoc);
2350 // Visit base expression.
2351 AddStmt(E->getBase());
2353 void EnqueueVisitor::VisitCXXScalarValueInitExpr(
2354 const CXXScalarValueInitExpr *E) {
2355 AddTypeLoc(E->getTypeSourceInfo());
2357 void EnqueueVisitor::VisitCXXTemporaryObjectExpr(
2358 const CXXTemporaryObjectExpr *E) {
2360 AddTypeLoc(E->getTypeSourceInfo());
2362 void EnqueueVisitor::VisitCXXTypeidExpr(const CXXTypeidExpr *E) {
2364 if (E->isTypeOperand())
2365 AddTypeLoc(E->getTypeOperandSourceInfo());
2368 void EnqueueVisitor::VisitCXXUnresolvedConstructExpr(
2369 const CXXUnresolvedConstructExpr *E) {
2371 AddTypeLoc(E->getTypeSourceInfo());
2373 void EnqueueVisitor::VisitCXXUuidofExpr(const CXXUuidofExpr *E) {
2375 if (E->isTypeOperand())
2376 AddTypeLoc(E->getTypeOperandSourceInfo());
2379 void EnqueueVisitor::VisitCXXCatchStmt(const CXXCatchStmt *S) {
2381 AddDecl(S->getExceptionDecl());
2384 void EnqueueVisitor::VisitCXXForRangeStmt(const CXXForRangeStmt *S) {
2385 AddStmt(S->getBody());
2386 AddStmt(S->getRangeInit());
2387 AddDecl(S->getLoopVariable());
2390 void EnqueueVisitor::VisitDeclRefExpr(const DeclRefExpr *DR) {
2391 if (DR->hasExplicitTemplateArgs())
2392 AddExplicitTemplateArgs(DR->getTemplateArgs(), DR->getNumTemplateArgs());
2393 WL.push_back(DeclRefExprParts(DR, Parent));
2395 void EnqueueVisitor::VisitDependentScopeDeclRefExpr(
2396 const DependentScopeDeclRefExpr *E) {
2397 if (E->hasExplicitTemplateArgs())
2398 AddExplicitTemplateArgs(E->getTemplateArgs(), E->getNumTemplateArgs());
2399 AddDeclarationNameInfo(E);
2400 AddNestedNameSpecifierLoc(E->getQualifierLoc());
2402 void EnqueueVisitor::VisitDeclStmt(const DeclStmt *S) {
2403 unsigned size = WL.size();
2404 bool isFirst = true;
2405 for (const auto *D : S->decls()) {
2406 AddDecl(D, isFirst);
2409 if (size == WL.size())
2411 // Now reverse the entries we just added. This will match the DFS
2412 // ordering performed by the worklist.
2413 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2416 void EnqueueVisitor::VisitDesignatedInitExpr(const DesignatedInitExpr *E) {
2417 AddStmt(E->getInit());
2418 for (const DesignatedInitExpr::Designator &D :
2419 llvm::reverse(E->designators())) {
2420 if (D.isFieldDesignator()) {
2421 if (FieldDecl *Field = D.getField())
2422 AddMemberRef(Field, D.getFieldLoc());
2425 if (D.isArrayDesignator()) {
2426 AddStmt(E->getArrayIndex(D));
2429 assert(D.isArrayRangeDesignator() && "Unknown designator kind");
2430 AddStmt(E->getArrayRangeEnd(D));
2431 AddStmt(E->getArrayRangeStart(D));
2434 void EnqueueVisitor::VisitExplicitCastExpr(const ExplicitCastExpr *E) {
2436 AddTypeLoc(E->getTypeInfoAsWritten());
2438 void EnqueueVisitor::VisitForStmt(const ForStmt *FS) {
2439 AddStmt(FS->getBody());
2440 AddStmt(FS->getInc());
2441 AddStmt(FS->getCond());
2442 AddDecl(FS->getConditionVariable());
2443 AddStmt(FS->getInit());
2445 void EnqueueVisitor::VisitGotoStmt(const GotoStmt *GS) {
2446 WL.push_back(LabelRefVisit(GS->getLabel(), GS->getLabelLoc(), Parent));
2448 void EnqueueVisitor::VisitIfStmt(const IfStmt *If) {
2449 AddStmt(If->getElse());
2450 AddStmt(If->getThen());
2451 AddStmt(If->getCond());
2452 AddDecl(If->getConditionVariable());
2454 void EnqueueVisitor::VisitInitListExpr(const InitListExpr *IE) {
2455 // We care about the syntactic form of the initializer list, only.
2456 if (InitListExpr *Syntactic = IE->getSyntacticForm())
2458 EnqueueChildren(IE);
2460 void EnqueueVisitor::VisitMemberExpr(const MemberExpr *M) {
2461 WL.push_back(MemberExprParts(M, Parent));
2463 // If the base of the member access expression is an implicit 'this', don't
2465 // FIXME: If we ever want to show these implicit accesses, this will be
2466 // unfortunate. However, clang_getCursor() relies on this behavior.
2467 if (M->isImplicitAccess())
2470 // Ignore base anonymous struct/union fields, otherwise they will shadow the
2471 // real field that that we are interested in.
2472 if (auto *SubME = dyn_cast<MemberExpr>(M->getBase())) {
2473 if (auto *FD = dyn_cast_or_null<FieldDecl>(SubME->getMemberDecl())) {
2474 if (FD->isAnonymousStructOrUnion()) {
2475 AddStmt(SubME->getBase());
2481 AddStmt(M->getBase());
2483 void EnqueueVisitor::VisitObjCEncodeExpr(const ObjCEncodeExpr *E) {
2484 AddTypeLoc(E->getEncodedTypeSourceInfo());
2486 void EnqueueVisitor::VisitObjCMessageExpr(const ObjCMessageExpr *M) {
2488 AddTypeLoc(M->getClassReceiverTypeInfo());
2490 void EnqueueVisitor::VisitOffsetOfExpr(const OffsetOfExpr *E) {
2491 // Visit the components of the offsetof expression.
2492 for (unsigned N = E->getNumComponents(), I = N; I > 0; --I) {
2493 const OffsetOfNode &Node = E->getComponent(I-1);
2494 switch (Node.getKind()) {
2495 case OffsetOfNode::Array:
2496 AddStmt(E->getIndexExpr(Node.getArrayExprIndex()));
2498 case OffsetOfNode::Field:
2499 AddMemberRef(Node.getField(), Node.getSourceRange().getEnd());
2501 case OffsetOfNode::Identifier:
2502 case OffsetOfNode::Base:
2506 // Visit the type into which we're computing the offset.
2507 AddTypeLoc(E->getTypeSourceInfo());
2509 void EnqueueVisitor::VisitOverloadExpr(const OverloadExpr *E) {
2510 if (E->hasExplicitTemplateArgs())
2511 AddExplicitTemplateArgs(E->getTemplateArgs(), E->getNumTemplateArgs());
2512 WL.push_back(OverloadExprParts(E, Parent));
2514 void EnqueueVisitor::VisitUnaryExprOrTypeTraitExpr(
2515 const UnaryExprOrTypeTraitExpr *E) {
2517 if (E->isArgumentType())
2518 AddTypeLoc(E->getArgumentTypeInfo());
2520 void EnqueueVisitor::VisitStmt(const Stmt *S) {
2523 void EnqueueVisitor::VisitSwitchStmt(const SwitchStmt *S) {
2524 AddStmt(S->getBody());
2525 AddStmt(S->getCond());
2526 AddDecl(S->getConditionVariable());
2529 void EnqueueVisitor::VisitWhileStmt(const WhileStmt *W) {
2530 AddStmt(W->getBody());
2531 AddStmt(W->getCond());
2532 AddDecl(W->getConditionVariable());
2535 void EnqueueVisitor::VisitTypeTraitExpr(const TypeTraitExpr *E) {
2536 for (unsigned I = E->getNumArgs(); I > 0; --I)
2537 AddTypeLoc(E->getArg(I-1));
2540 void EnqueueVisitor::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E) {
2541 AddTypeLoc(E->getQueriedTypeSourceInfo());
2544 void EnqueueVisitor::VisitExpressionTraitExpr(const ExpressionTraitExpr *E) {
2548 void EnqueueVisitor::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U) {
2549 VisitOverloadExpr(U);
2550 if (!U->isImplicitAccess())
2551 AddStmt(U->getBase());
2553 void EnqueueVisitor::VisitVAArgExpr(const VAArgExpr *E) {
2554 AddStmt(E->getSubExpr());
2555 AddTypeLoc(E->getWrittenTypeInfo());
2557 void EnqueueVisitor::VisitSizeOfPackExpr(const SizeOfPackExpr *E) {
2558 WL.push_back(SizeOfPackExprParts(E, Parent));
2560 void EnqueueVisitor::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
2561 // If the opaque value has a source expression, just transparently
2562 // visit that. This is useful for (e.g.) pseudo-object expressions.
2563 if (Expr *SourceExpr = E->getSourceExpr())
2564 return Visit(SourceExpr);
2566 void EnqueueVisitor::VisitLambdaExpr(const LambdaExpr *E) {
2567 AddStmt(E->getBody());
2568 WL.push_back(LambdaExprParts(E, Parent));
2570 void EnqueueVisitor::VisitPseudoObjectExpr(const PseudoObjectExpr *E) {
2571 // Treat the expression like its syntactic form.
2572 Visit(E->getSyntacticForm());
2575 void EnqueueVisitor::VisitOMPExecutableDirective(
2576 const OMPExecutableDirective *D) {
2578 for (ArrayRef<OMPClause *>::iterator I = D->clauses().begin(),
2579 E = D->clauses().end();
2581 EnqueueChildren(*I);
2584 void EnqueueVisitor::VisitOMPLoopDirective(const OMPLoopDirective *D) {
2585 VisitOMPExecutableDirective(D);
2588 void EnqueueVisitor::VisitOMPParallelDirective(const OMPParallelDirective *D) {
2589 VisitOMPExecutableDirective(D);
2592 void EnqueueVisitor::VisitOMPSimdDirective(const OMPSimdDirective *D) {
2593 VisitOMPLoopDirective(D);
2596 void EnqueueVisitor::VisitOMPForDirective(const OMPForDirective *D) {
2597 VisitOMPLoopDirective(D);
2600 void EnqueueVisitor::VisitOMPForSimdDirective(const OMPForSimdDirective *D) {
2601 VisitOMPLoopDirective(D);
2604 void EnqueueVisitor::VisitOMPSectionsDirective(const OMPSectionsDirective *D) {
2605 VisitOMPExecutableDirective(D);
2608 void EnqueueVisitor::VisitOMPSectionDirective(const OMPSectionDirective *D) {
2609 VisitOMPExecutableDirective(D);
2612 void EnqueueVisitor::VisitOMPSingleDirective(const OMPSingleDirective *D) {
2613 VisitOMPExecutableDirective(D);
2616 void EnqueueVisitor::VisitOMPMasterDirective(const OMPMasterDirective *D) {
2617 VisitOMPExecutableDirective(D);
2620 void EnqueueVisitor::VisitOMPCriticalDirective(const OMPCriticalDirective *D) {
2621 VisitOMPExecutableDirective(D);
2622 AddDeclarationNameInfo(D);
2626 EnqueueVisitor::VisitOMPParallelForDirective(const OMPParallelForDirective *D) {
2627 VisitOMPLoopDirective(D);
2630 void EnqueueVisitor::VisitOMPParallelForSimdDirective(
2631 const OMPParallelForSimdDirective *D) {
2632 VisitOMPLoopDirective(D);
2635 void EnqueueVisitor::VisitOMPParallelSectionsDirective(
2636 const OMPParallelSectionsDirective *D) {
2637 VisitOMPExecutableDirective(D);
2640 void EnqueueVisitor::VisitOMPTaskDirective(const OMPTaskDirective *D) {
2641 VisitOMPExecutableDirective(D);
2645 EnqueueVisitor::VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D) {
2646 VisitOMPExecutableDirective(D);
2649 void EnqueueVisitor::VisitOMPBarrierDirective(const OMPBarrierDirective *D) {
2650 VisitOMPExecutableDirective(D);
2653 void EnqueueVisitor::VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D) {
2654 VisitOMPExecutableDirective(D);
2657 void EnqueueVisitor::VisitOMPTaskgroupDirective(
2658 const OMPTaskgroupDirective *D) {
2659 VisitOMPExecutableDirective(D);
2662 void EnqueueVisitor::VisitOMPFlushDirective(const OMPFlushDirective *D) {
2663 VisitOMPExecutableDirective(D);
2666 void EnqueueVisitor::VisitOMPOrderedDirective(const OMPOrderedDirective *D) {
2667 VisitOMPExecutableDirective(D);
2670 void EnqueueVisitor::VisitOMPAtomicDirective(const OMPAtomicDirective *D) {
2671 VisitOMPExecutableDirective(D);
2674 void EnqueueVisitor::VisitOMPTargetDirective(const OMPTargetDirective *D) {
2675 VisitOMPExecutableDirective(D);
2678 void EnqueueVisitor::VisitOMPTargetDataDirective(const
2679 OMPTargetDataDirective *D) {
2680 VisitOMPExecutableDirective(D);
2683 void EnqueueVisitor::VisitOMPTargetEnterDataDirective(
2684 const OMPTargetEnterDataDirective *D) {
2685 VisitOMPExecutableDirective(D);
2688 void EnqueueVisitor::VisitOMPTargetExitDataDirective(
2689 const OMPTargetExitDataDirective *D) {
2690 VisitOMPExecutableDirective(D);
2693 void EnqueueVisitor::VisitOMPTargetParallelDirective(
2694 const OMPTargetParallelDirective *D) {
2695 VisitOMPExecutableDirective(D);
2698 void EnqueueVisitor::VisitOMPTargetParallelForDirective(
2699 const OMPTargetParallelForDirective *D) {
2700 VisitOMPLoopDirective(D);
2703 void EnqueueVisitor::VisitOMPTeamsDirective(const OMPTeamsDirective *D) {
2704 VisitOMPExecutableDirective(D);
2707 void EnqueueVisitor::VisitOMPCancellationPointDirective(
2708 const OMPCancellationPointDirective *D) {
2709 VisitOMPExecutableDirective(D);
2712 void EnqueueVisitor::VisitOMPCancelDirective(const OMPCancelDirective *D) {
2713 VisitOMPExecutableDirective(D);
2716 void EnqueueVisitor::VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *D) {
2717 VisitOMPLoopDirective(D);
2720 void EnqueueVisitor::VisitOMPTaskLoopSimdDirective(
2721 const OMPTaskLoopSimdDirective *D) {
2722 VisitOMPLoopDirective(D);
2725 void EnqueueVisitor::VisitOMPDistributeDirective(
2726 const OMPDistributeDirective *D) {
2727 VisitOMPLoopDirective(D);
2730 void EnqueueVisitor::VisitOMPDistributeParallelForDirective(
2731 const OMPDistributeParallelForDirective *D) {
2732 VisitOMPLoopDirective(D);
2735 void EnqueueVisitor::VisitOMPDistributeParallelForSimdDirective(
2736 const OMPDistributeParallelForSimdDirective *D) {
2737 VisitOMPLoopDirective(D);
2740 void EnqueueVisitor::VisitOMPDistributeSimdDirective(
2741 const OMPDistributeSimdDirective *D) {
2742 VisitOMPLoopDirective(D);
2745 void CursorVisitor::EnqueueWorkList(VisitorWorkList &WL, const Stmt *S) {
2746 EnqueueVisitor(WL, MakeCXCursor(S, StmtParent, TU,RegionOfInterest)).Visit(S);
2749 bool CursorVisitor::IsInRegionOfInterest(CXCursor C) {
2750 if (RegionOfInterest.isValid()) {
2751 SourceRange Range = getRawCursorExtent(C);
2752 if (Range.isInvalid() || CompareRegionOfInterest(Range))
2758 bool CursorVisitor::RunVisitorWorkList(VisitorWorkList &WL) {
2759 while (!WL.empty()) {
2760 // Dequeue the worklist item.
2761 VisitorJob LI = WL.pop_back_val();
2763 // Set the Parent field, then back to its old value once we're done.
2764 SetParentRAII SetParent(Parent, StmtParent, LI.getParent());
2766 switch (LI.getKind()) {
2767 case VisitorJob::DeclVisitKind: {
2768 const Decl *D = cast<DeclVisit>(&LI)->get();
2772 // For now, perform default visitation for Decls.
2773 if (Visit(MakeCXCursor(D, TU, RegionOfInterest,
2774 cast<DeclVisit>(&LI)->isFirst())))
2779 case VisitorJob::ExplicitTemplateArgsVisitKind: {
2780 for (const TemplateArgumentLoc &Arg :
2781 *cast<ExplicitTemplateArgsVisit>(&LI)) {
2782 if (VisitTemplateArgumentLoc(Arg))
2787 case VisitorJob::TypeLocVisitKind: {
2788 // Perform default visitation for TypeLocs.
2789 if (Visit(cast<TypeLocVisit>(&LI)->get()))
2793 case VisitorJob::LabelRefVisitKind: {
2794 const LabelDecl *LS = cast<LabelRefVisit>(&LI)->get();
2795 if (LabelStmt *stmt = LS->getStmt()) {
2796 if (Visit(MakeCursorLabelRef(stmt, cast<LabelRefVisit>(&LI)->getLoc(),
2804 case VisitorJob::NestedNameSpecifierLocVisitKind: {
2805 NestedNameSpecifierLocVisit *V = cast<NestedNameSpecifierLocVisit>(&LI);
2806 if (VisitNestedNameSpecifierLoc(V->get()))
2811 case VisitorJob::DeclarationNameInfoVisitKind: {
2812 if (VisitDeclarationNameInfo(cast<DeclarationNameInfoVisit>(&LI)
2817 case VisitorJob::MemberRefVisitKind: {
2818 MemberRefVisit *V = cast<MemberRefVisit>(&LI);
2819 if (Visit(MakeCursorMemberRef(V->get(), V->getLoc(), TU)))
2823 case VisitorJob::StmtVisitKind: {
2824 const Stmt *S = cast<StmtVisit>(&LI)->get();
2828 // Update the current cursor.
2829 CXCursor Cursor = MakeCXCursor(S, StmtParent, TU, RegionOfInterest);
2830 if (!IsInRegionOfInterest(Cursor))
2832 switch (Visitor(Cursor, Parent, ClientData)) {
2833 case CXChildVisit_Break: return true;
2834 case CXChildVisit_Continue: break;
2835 case CXChildVisit_Recurse:
2836 if (PostChildrenVisitor)
2837 WL.push_back(PostChildrenVisit(nullptr, Cursor));
2838 EnqueueWorkList(WL, S);
2843 case VisitorJob::MemberExprPartsKind: {
2844 // Handle the other pieces in the MemberExpr besides the base.
2845 const MemberExpr *M = cast<MemberExprParts>(&LI)->get();
2847 // Visit the nested-name-specifier
2848 if (NestedNameSpecifierLoc QualifierLoc = M->getQualifierLoc())
2849 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2852 // Visit the declaration name.
2853 if (VisitDeclarationNameInfo(M->getMemberNameInfo()))
2856 // Visit the explicitly-specified template arguments, if any.
2857 if (M->hasExplicitTemplateArgs()) {
2858 for (const TemplateArgumentLoc *Arg = M->getTemplateArgs(),
2859 *ArgEnd = Arg + M->getNumTemplateArgs();
2860 Arg != ArgEnd; ++Arg) {
2861 if (VisitTemplateArgumentLoc(*Arg))
2867 case VisitorJob::DeclRefExprPartsKind: {
2868 const DeclRefExpr *DR = cast<DeclRefExprParts>(&LI)->get();
2869 // Visit nested-name-specifier, if present.
2870 if (NestedNameSpecifierLoc QualifierLoc = DR->getQualifierLoc())
2871 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2873 // Visit declaration name.
2874 if (VisitDeclarationNameInfo(DR->getNameInfo()))
2878 case VisitorJob::OverloadExprPartsKind: {
2879 const OverloadExpr *O = cast<OverloadExprParts>(&LI)->get();
2880 // Visit the nested-name-specifier.
2881 if (NestedNameSpecifierLoc QualifierLoc = O->getQualifierLoc())
2882 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2884 // Visit the declaration name.
2885 if (VisitDeclarationNameInfo(O->getNameInfo()))
2887 // Visit the overloaded declaration reference.
2888 if (Visit(MakeCursorOverloadedDeclRef(O, TU)))
2892 case VisitorJob::SizeOfPackExprPartsKind: {
2893 const SizeOfPackExpr *E = cast<SizeOfPackExprParts>(&LI)->get();
2894 NamedDecl *Pack = E->getPack();
2895 if (isa<TemplateTypeParmDecl>(Pack)) {
2896 if (Visit(MakeCursorTypeRef(cast<TemplateTypeParmDecl>(Pack),
2897 E->getPackLoc(), TU)))
2903 if (isa<TemplateTemplateParmDecl>(Pack)) {
2904 if (Visit(MakeCursorTemplateRef(cast<TemplateTemplateParmDecl>(Pack),
2905 E->getPackLoc(), TU)))
2911 // Non-type template parameter packs and function parameter packs are
2912 // treated like DeclRefExpr cursors.
2916 case VisitorJob::LambdaExprPartsKind: {
2918 const LambdaExpr *E = cast<LambdaExprParts>(&LI)->get();
2919 for (LambdaExpr::capture_iterator C = E->explicit_capture_begin(),
2920 CEnd = E->explicit_capture_end();
2922 // FIXME: Lambda init-captures.
2923 if (!C->capturesVariable())
2926 if (Visit(MakeCursorVariableRef(C->getCapturedVar(),
2932 // Visit parameters and return type, if present.
2933 if (E->hasExplicitParameters() || E->hasExplicitResultType()) {
2934 TypeLoc TL = E->getCallOperator()->getTypeSourceInfo()->getTypeLoc();
2935 if (E->hasExplicitParameters() && E->hasExplicitResultType()) {
2936 // Visit the whole type.
2939 } else if (FunctionProtoTypeLoc Proto =
2940 TL.getAs<FunctionProtoTypeLoc>()) {
2941 if (E->hasExplicitParameters()) {
2942 // Visit parameters.
2943 for (unsigned I = 0, N = Proto.getNumParams(); I != N; ++I)
2944 if (Visit(MakeCXCursor(Proto.getParam(I), TU)))
2947 // Visit result type.
2948 if (Visit(Proto.getReturnLoc()))
2956 case VisitorJob::PostChildrenVisitKind:
2957 if (PostChildrenVisitor(Parent, ClientData))
2965 bool CursorVisitor::Visit(const Stmt *S) {
2966 VisitorWorkList *WL = nullptr;
2967 if (!WorkListFreeList.empty()) {
2968 WL = WorkListFreeList.back();
2970 WorkListFreeList.pop_back();
2973 WL = new VisitorWorkList();
2974 WorkListCache.push_back(WL);
2976 EnqueueWorkList(*WL, S);
2977 bool result = RunVisitorWorkList(*WL);
2978 WorkListFreeList.push_back(WL);
2983 typedef SmallVector<SourceRange, 4> RefNamePieces;
2984 RefNamePieces buildPieces(unsigned NameFlags, bool IsMemberRefExpr,
2985 const DeclarationNameInfo &NI, SourceRange QLoc,
2986 const SourceRange *TemplateArgsLoc = nullptr) {
2987 const bool WantQualifier = NameFlags & CXNameRange_WantQualifier;
2988 const bool WantTemplateArgs = NameFlags & CXNameRange_WantTemplateArgs;
2989 const bool WantSinglePiece = NameFlags & CXNameRange_WantSinglePiece;
2991 const DeclarationName::NameKind Kind = NI.getName().getNameKind();
2993 RefNamePieces Pieces;
2995 if (WantQualifier && QLoc.isValid())
2996 Pieces.push_back(QLoc);
2998 if (Kind != DeclarationName::CXXOperatorName || IsMemberRefExpr)
2999 Pieces.push_back(NI.getLoc());
3001 if (WantTemplateArgs && TemplateArgsLoc && TemplateArgsLoc->isValid())
3002 Pieces.push_back(*TemplateArgsLoc);
3004 if (Kind == DeclarationName::CXXOperatorName) {
3005 Pieces.push_back(SourceLocation::getFromRawEncoding(
3006 NI.getInfo().CXXOperatorName.BeginOpNameLoc));
3007 Pieces.push_back(SourceLocation::getFromRawEncoding(
3008 NI.getInfo().CXXOperatorName.EndOpNameLoc));
3011 if (WantSinglePiece) {
3012 SourceRange R(Pieces.front().getBegin(), Pieces.back().getEnd());
3014 Pieces.push_back(R);
3021 //===----------------------------------------------------------------------===//
3023 //===----------------------------------------------------------------------===//
3025 static void fatal_error_handler(void *user_data, const std::string& reason,
3026 bool gen_crash_diag) {
3027 // Write the result out to stderr avoiding errs() because raw_ostreams can
3028 // call report_fatal_error.
3029 fprintf(stderr, "LIBCLANG FATAL ERROR: %s\n", reason.c_str());
3034 struct RegisterFatalErrorHandler {
3035 RegisterFatalErrorHandler() {
3036 llvm::install_fatal_error_handler(fatal_error_handler, nullptr);
3041 static llvm::ManagedStatic<RegisterFatalErrorHandler> RegisterFatalErrorHandlerOnce;
3044 CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
3045 int displayDiagnostics) {
3046 // We use crash recovery to make some of our APIs more reliable, implicitly
3048 if (!getenv("LIBCLANG_DISABLE_CRASH_RECOVERY"))
3049 llvm::CrashRecoveryContext::Enable();
3051 // Look through the managed static to trigger construction of the managed
3052 // static which registers our fatal error handler. This ensures it is only
3054 (void)*RegisterFatalErrorHandlerOnce;
3056 // Initialize targets for clang module support.
3057 llvm::InitializeAllTargets();
3058 llvm::InitializeAllTargetMCs();
3059 llvm::InitializeAllAsmPrinters();
3060 llvm::InitializeAllAsmParsers();
3062 CIndexer *CIdxr = new CIndexer();
3064 if (excludeDeclarationsFromPCH)
3065 CIdxr->setOnlyLocalDecls();
3066 if (displayDiagnostics)
3067 CIdxr->setDisplayDiagnostics();
3069 if (getenv("LIBCLANG_BGPRIO_INDEX"))
3070 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
3071 CXGlobalOpt_ThreadBackgroundPriorityForIndexing);
3072 if (getenv("LIBCLANG_BGPRIO_EDIT"))
3073 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
3074 CXGlobalOpt_ThreadBackgroundPriorityForEditing);
3079 void clang_disposeIndex(CXIndex CIdx) {
3081 delete static_cast<CIndexer *>(CIdx);
3084 void clang_CXIndex_setGlobalOptions(CXIndex CIdx, unsigned options) {
3086 static_cast<CIndexer *>(CIdx)->setCXGlobalOptFlags(options);
3089 unsigned clang_CXIndex_getGlobalOptions(CXIndex CIdx) {
3091 return static_cast<CIndexer *>(CIdx)->getCXGlobalOptFlags();
3095 void clang_toggleCrashRecovery(unsigned isEnabled) {
3097 llvm::CrashRecoveryContext::Enable();
3099 llvm::CrashRecoveryContext::Disable();
3102 CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
3103 const char *ast_filename) {
3104 CXTranslationUnit TU;
3105 enum CXErrorCode Result =
3106 clang_createTranslationUnit2(CIdx, ast_filename, &TU);
3108 assert((TU && Result == CXError_Success) ||
3109 (!TU && Result != CXError_Success));
3113 enum CXErrorCode clang_createTranslationUnit2(CXIndex CIdx,
3114 const char *ast_filename,
3115 CXTranslationUnit *out_TU) {
3119 if (!CIdx || !ast_filename || !out_TU)
3120 return CXError_InvalidArguments;
3123 *Log << ast_filename;
3126 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3127 FileSystemOptions FileSystemOpts;
3129 IntrusiveRefCntPtr<DiagnosticsEngine> Diags =
3130 CompilerInstance::createDiagnostics(new DiagnosticOptions());
3131 std::unique_ptr<ASTUnit> AU = ASTUnit::LoadFromASTFile(
3132 ast_filename, CXXIdx->getPCHContainerOperations()->getRawReader(), Diags,
3133 FileSystemOpts, /*UseDebugInfo=*/false,
3134 CXXIdx->getOnlyLocalDecls(), None,
3135 /*CaptureDiagnostics=*/true,
3136 /*AllowPCHWithCompilerErrors=*/true,
3137 /*UserFilesAreVolatile=*/true);
3138 *out_TU = MakeCXTranslationUnit(CXXIdx, AU.release());
3139 return *out_TU ? CXError_Success : CXError_Failure;
3142 unsigned clang_defaultEditingTranslationUnitOptions() {
3143 return CXTranslationUnit_PrecompiledPreamble |
3144 CXTranslationUnit_CacheCompletionResults;
3148 clang_createTranslationUnitFromSourceFile(CXIndex CIdx,
3149 const char *source_filename,
3150 int num_command_line_args,
3151 const char * const *command_line_args,
3152 unsigned num_unsaved_files,
3153 struct CXUnsavedFile *unsaved_files) {
3154 unsigned Options = CXTranslationUnit_DetailedPreprocessingRecord;
3155 return clang_parseTranslationUnit(CIdx, source_filename,
3156 command_line_args, num_command_line_args,
3157 unsaved_files, num_unsaved_files,
3162 clang_parseTranslationUnit_Impl(CXIndex CIdx, const char *source_filename,
3163 const char *const *command_line_args,
3164 int num_command_line_args,
3165 ArrayRef<CXUnsavedFile> unsaved_files,
3166 unsigned options, CXTranslationUnit *out_TU) {
3167 // Set up the initial return values.
3172 if (!CIdx || !out_TU)
3173 return CXError_InvalidArguments;
3175 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3177 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3178 setThreadBackgroundPriority();
3180 bool PrecompilePreamble = options & CXTranslationUnit_PrecompiledPreamble;
3181 bool CreatePreambleOnFirstParse =
3182 options & CXTranslationUnit_CreatePreambleOnFirstParse;
3183 // FIXME: Add a flag for modules.
3184 TranslationUnitKind TUKind
3185 = (options & CXTranslationUnit_Incomplete)? TU_Prefix : TU_Complete;
3186 bool CacheCodeCompletionResults
3187 = options & CXTranslationUnit_CacheCompletionResults;
3188 bool IncludeBriefCommentsInCodeCompletion
3189 = options & CXTranslationUnit_IncludeBriefCommentsInCodeCompletion;
3190 bool SkipFunctionBodies = options & CXTranslationUnit_SkipFunctionBodies;
3191 bool ForSerialization = options & CXTranslationUnit_ForSerialization;
3193 // Configure the diagnostics.
3194 IntrusiveRefCntPtr<DiagnosticsEngine>
3195 Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions));
3197 if (options & CXTranslationUnit_KeepGoing)
3198 Diags->setFatalsAsError(true);
3200 // Recover resources if we crash before exiting this function.
3201 llvm::CrashRecoveryContextCleanupRegistrar<DiagnosticsEngine,
3202 llvm::CrashRecoveryContextReleaseRefCleanup<DiagnosticsEngine> >
3203 DiagCleanup(Diags.get());
3205 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3206 new std::vector<ASTUnit::RemappedFile>());
3208 // Recover resources if we crash before exiting this function.
3209 llvm::CrashRecoveryContextCleanupRegistrar<
3210 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3212 for (auto &UF : unsaved_files) {
3213 std::unique_ptr<llvm::MemoryBuffer> MB =
3214 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3215 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3218 std::unique_ptr<std::vector<const char *>> Args(
3219 new std::vector<const char *>());
3221 // Recover resources if we crash before exiting this method.
3222 llvm::CrashRecoveryContextCleanupRegistrar<std::vector<const char*> >
3223 ArgsCleanup(Args.get());
3225 // Since the Clang C library is primarily used by batch tools dealing with
3226 // (often very broken) source code, where spell-checking can have a
3227 // significant negative impact on performance (particularly when
3228 // precompiled headers are involved), we disable it by default.
3229 // Only do this if we haven't found a spell-checking-related argument.
3230 bool FoundSpellCheckingArgument = false;
3231 for (int I = 0; I != num_command_line_args; ++I) {
3232 if (strcmp(command_line_args[I], "-fno-spell-checking") == 0 ||
3233 strcmp(command_line_args[I], "-fspell-checking") == 0) {
3234 FoundSpellCheckingArgument = true;
3238 Args->insert(Args->end(), command_line_args,
3239 command_line_args + num_command_line_args);
3241 if (!FoundSpellCheckingArgument)
3242 Args->insert(Args->begin() + 1, "-fno-spell-checking");
3244 // The 'source_filename' argument is optional. If the caller does not
3245 // specify it then it is assumed that the source file is specified
3246 // in the actual argument list.
3247 // Put the source file after command_line_args otherwise if '-x' flag is
3248 // present it will be unused.
3249 if (source_filename)
3250 Args->push_back(source_filename);
3252 // Do we need the detailed preprocessing record?
3253 if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
3254 Args->push_back("-Xclang");
3255 Args->push_back("-detailed-preprocessing-record");
3258 unsigned NumErrors = Diags->getClient()->getNumErrors();
3259 std::unique_ptr<ASTUnit> ErrUnit;
3260 // Unless the user specified that they want the preamble on the first parse
3261 // set it up to be created on the first reparse. This makes the first parse
3262 // faster, trading for a slower (first) reparse.
3263 unsigned PrecompilePreambleAfterNParses =
3264 !PrecompilePreamble ? 0 : 2 - CreatePreambleOnFirstParse;
3265 std::unique_ptr<ASTUnit> Unit(ASTUnit::LoadFromCommandLine(
3266 Args->data(), Args->data() + Args->size(),
3267 CXXIdx->getPCHContainerOperations(), Diags,
3268 CXXIdx->getClangResourcesPath(), CXXIdx->getOnlyLocalDecls(),
3269 /*CaptureDiagnostics=*/true, *RemappedFiles.get(),
3270 /*RemappedFilesKeepOriginalName=*/true, PrecompilePreambleAfterNParses,
3271 TUKind, CacheCodeCompletionResults, IncludeBriefCommentsInCodeCompletion,
3272 /*AllowPCHWithCompilerErrors=*/true, SkipFunctionBodies,
3273 /*UserFilesAreVolatile=*/true, ForSerialization,
3274 CXXIdx->getPCHContainerOperations()->getRawReader().getFormat(),
3277 // Early failures in LoadFromCommandLine may return with ErrUnit unset.
3278 if (!Unit && !ErrUnit)
3279 return CXError_ASTReadError;
3281 if (NumErrors != Diags->getClient()->getNumErrors()) {
3282 // Make sure to check that 'Unit' is non-NULL.
3283 if (CXXIdx->getDisplayDiagnostics())
3284 printDiagsToStderr(Unit ? Unit.get() : ErrUnit.get());
3287 if (isASTReadError(Unit ? Unit.get() : ErrUnit.get()))
3288 return CXError_ASTReadError;
3290 *out_TU = MakeCXTranslationUnit(CXXIdx, Unit.release());
3291 return *out_TU ? CXError_Success : CXError_Failure;
3295 clang_parseTranslationUnit(CXIndex CIdx,
3296 const char *source_filename,
3297 const char *const *command_line_args,
3298 int num_command_line_args,
3299 struct CXUnsavedFile *unsaved_files,
3300 unsigned num_unsaved_files,
3302 CXTranslationUnit TU;
3303 enum CXErrorCode Result = clang_parseTranslationUnit2(
3304 CIdx, source_filename, command_line_args, num_command_line_args,
3305 unsaved_files, num_unsaved_files, options, &TU);
3307 assert((TU && Result == CXError_Success) ||
3308 (!TU && Result != CXError_Success));
3312 enum CXErrorCode clang_parseTranslationUnit2(
3313 CXIndex CIdx, const char *source_filename,
3314 const char *const *command_line_args, int num_command_line_args,
3315 struct CXUnsavedFile *unsaved_files, unsigned num_unsaved_files,
3316 unsigned options, CXTranslationUnit *out_TU) {
3317 SmallVector<const char *, 4> Args;
3318 Args.push_back("clang");
3319 Args.append(command_line_args, command_line_args + num_command_line_args);
3320 return clang_parseTranslationUnit2FullArgv(
3321 CIdx, source_filename, Args.data(), Args.size(), unsaved_files,
3322 num_unsaved_files, options, out_TU);
3325 enum CXErrorCode clang_parseTranslationUnit2FullArgv(
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) {
3331 *Log << source_filename << ": ";
3332 for (int i = 0; i != num_command_line_args; ++i)
3333 *Log << command_line_args[i] << " ";
3336 if (num_unsaved_files && !unsaved_files)
3337 return CXError_InvalidArguments;
3339 CXErrorCode result = CXError_Failure;
3340 auto ParseTranslationUnitImpl = [=, &result] {
3341 result = clang_parseTranslationUnit_Impl(
3342 CIdx, source_filename, command_line_args, num_command_line_args,
3343 llvm::makeArrayRef(unsaved_files, num_unsaved_files), options, out_TU);
3345 llvm::CrashRecoveryContext CRC;
3347 if (!RunSafely(CRC, ParseTranslationUnitImpl)) {
3348 fprintf(stderr, "libclang: crash detected during parsing: {\n");
3349 fprintf(stderr, " 'source_filename' : '%s'\n", source_filename);
3350 fprintf(stderr, " 'command_line_args' : [");
3351 for (int i = 0; i != num_command_line_args; ++i) {
3353 fprintf(stderr, ", ");
3354 fprintf(stderr, "'%s'", command_line_args[i]);
3356 fprintf(stderr, "],\n");
3357 fprintf(stderr, " 'unsaved_files' : [");
3358 for (unsigned i = 0; i != num_unsaved_files; ++i) {
3360 fprintf(stderr, ", ");
3361 fprintf(stderr, "('%s', '...', %ld)", unsaved_files[i].Filename,
3362 unsaved_files[i].Length);
3364 fprintf(stderr, "],\n");
3365 fprintf(stderr, " 'options' : %d,\n", options);
3366 fprintf(stderr, "}\n");
3368 return CXError_Crashed;
3369 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3370 if (CXTranslationUnit *TU = out_TU)
3371 PrintLibclangResourceUsage(*TU);
3377 CXString clang_Type_getObjCEncoding(CXType CT) {
3378 CXTranslationUnit tu = static_cast<CXTranslationUnit>(CT.data[1]);
3379 ASTContext &Ctx = getASTUnit(tu)->getASTContext();
3380 std::string encoding;
3381 Ctx.getObjCEncodingForType(QualType::getFromOpaquePtr(CT.data[0]),
3384 return cxstring::createDup(encoding);
3387 static const IdentifierInfo *getMacroIdentifier(CXCursor C) {
3388 if (C.kind == CXCursor_MacroDefinition) {
3389 if (const MacroDefinitionRecord *MDR = getCursorMacroDefinition(C))
3390 return MDR->getName();
3391 } else if (C.kind == CXCursor_MacroExpansion) {
3392 MacroExpansionCursor ME = getCursorMacroExpansion(C);
3393 return ME.getName();
3398 unsigned clang_Cursor_isMacroFunctionLike(CXCursor C) {
3399 const IdentifierInfo *II = getMacroIdentifier(C);
3403 ASTUnit *ASTU = getCursorASTUnit(C);
3404 Preprocessor &PP = ASTU->getPreprocessor();
3405 if (const MacroInfo *MI = PP.getMacroInfo(II))
3406 return MI->isFunctionLike();
3410 unsigned clang_Cursor_isMacroBuiltin(CXCursor C) {
3411 const IdentifierInfo *II = getMacroIdentifier(C);
3415 ASTUnit *ASTU = getCursorASTUnit(C);
3416 Preprocessor &PP = ASTU->getPreprocessor();
3417 if (const MacroInfo *MI = PP.getMacroInfo(II))
3418 return MI->isBuiltinMacro();
3422 unsigned clang_Cursor_isFunctionInlined(CXCursor C) {
3423 const Decl *D = getCursorDecl(C);
3424 const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D);
3428 return FD->isInlined();
3431 static StringLiteral* getCFSTR_value(CallExpr *callExpr) {
3432 if (callExpr->getNumArgs() != 1) {
3436 StringLiteral *S = nullptr;
3437 auto *arg = callExpr->getArg(0);
3438 if (arg->getStmtClass() == Stmt::ImplicitCastExprClass) {
3439 ImplicitCastExpr *I = static_cast<ImplicitCastExpr *>(arg);
3440 auto *subExpr = I->getSubExprAsWritten();
3442 if(subExpr->getStmtClass() != Stmt::StringLiteralClass){
3446 S = static_cast<StringLiteral *>(I->getSubExprAsWritten());
3447 } else if (arg->getStmtClass() == Stmt::StringLiteralClass) {
3448 S = static_cast<StringLiteral *>(callExpr->getArg(0));
3455 struct ExprEvalResult {
3456 CXEvalResultKind EvalType;
3463 if (EvalType != CXEval_UnExposed && EvalType != CXEval_Float &&
3464 EvalType != CXEval_Int) {
3465 delete EvalData.stringVal;
3470 void clang_EvalResult_dispose(CXEvalResult E) {
3471 delete static_cast<ExprEvalResult *>(E);
3474 CXEvalResultKind clang_EvalResult_getKind(CXEvalResult E) {
3476 return CXEval_UnExposed;
3478 return ((ExprEvalResult *)E)->EvalType;
3481 int clang_EvalResult_getAsInt(CXEvalResult E) {
3485 return ((ExprEvalResult *)E)->EvalData.intVal;
3488 double clang_EvalResult_getAsDouble(CXEvalResult E) {
3492 return ((ExprEvalResult *)E)->EvalData.floatVal;
3495 const char* clang_EvalResult_getAsStr(CXEvalResult E) {
3499 return ((ExprEvalResult *)E)->EvalData.stringVal;
3502 static const ExprEvalResult* evaluateExpr(Expr *expr, CXCursor C) {
3503 Expr::EvalResult ER;
3504 ASTContext &ctx = getCursorContext(C);
3508 expr = expr->IgnoreParens();
3509 if (!expr->EvaluateAsRValue(ER, ctx))
3514 auto result = llvm::make_unique<ExprEvalResult>();
3515 result->EvalType = CXEval_UnExposed;
3517 if (ER.Val.isInt()) {
3518 result->EvalType = CXEval_Int;
3519 result->EvalData.intVal = ER.Val.getInt().getExtValue();
3520 return result.release();
3523 if (ER.Val.isFloat()) {
3524 llvm::SmallVector<char, 100> Buffer;
3525 ER.Val.getFloat().toString(Buffer);
3526 std::string floatStr(Buffer.data(), Buffer.size());
3527 result->EvalType = CXEval_Float;
3529 llvm::APFloat apFloat = ER.Val.getFloat();
3530 apFloat.convert(llvm::APFloat::IEEEdouble,
3531 llvm::APFloat::rmNearestTiesToEven, &ignored);
3532 result->EvalData.floatVal = apFloat.convertToDouble();
3533 return result.release();
3536 if (expr->getStmtClass() == Stmt::ImplicitCastExprClass) {
3537 const ImplicitCastExpr *I = dyn_cast<ImplicitCastExpr>(expr);
3538 auto *subExpr = I->getSubExprAsWritten();
3539 if (subExpr->getStmtClass() == Stmt::StringLiteralClass ||
3540 subExpr->getStmtClass() == Stmt::ObjCStringLiteralClass) {
3541 const StringLiteral *StrE = nullptr;
3542 const ObjCStringLiteral *ObjCExpr;
3543 ObjCExpr = dyn_cast<ObjCStringLiteral>(subExpr);
3546 StrE = ObjCExpr->getString();
3547 result->EvalType = CXEval_ObjCStrLiteral;
3549 StrE = cast<StringLiteral>(I->getSubExprAsWritten());
3550 result->EvalType = CXEval_StrLiteral;
3553 std::string strRef(StrE->getString().str());
3554 result->EvalData.stringVal = new char[strRef.size() + 1];
3555 strncpy((char *)result->EvalData.stringVal, strRef.c_str(),
3557 result->EvalData.stringVal[strRef.size()] = '\0';
3558 return result.release();
3560 } else if (expr->getStmtClass() == Stmt::ObjCStringLiteralClass ||
3561 expr->getStmtClass() == Stmt::StringLiteralClass) {
3562 const StringLiteral *StrE = nullptr;
3563 const ObjCStringLiteral *ObjCExpr;
3564 ObjCExpr = dyn_cast<ObjCStringLiteral>(expr);
3567 StrE = ObjCExpr->getString();
3568 result->EvalType = CXEval_ObjCStrLiteral;
3570 StrE = cast<StringLiteral>(expr);
3571 result->EvalType = CXEval_StrLiteral;
3574 std::string strRef(StrE->getString().str());
3575 result->EvalData.stringVal = new char[strRef.size() + 1];
3576 strncpy((char *)result->EvalData.stringVal, strRef.c_str(), strRef.size());
3577 result->EvalData.stringVal[strRef.size()] = '\0';
3578 return result.release();
3581 if (expr->getStmtClass() == Stmt::CStyleCastExprClass) {
3582 CStyleCastExpr *CC = static_cast<CStyleCastExpr *>(expr);
3584 rettype = CC->getType();
3585 if (rettype.getAsString() == "CFStringRef" &&
3586 CC->getSubExpr()->getStmtClass() == Stmt::CallExprClass) {
3588 callExpr = static_cast<CallExpr *>(CC->getSubExpr());
3589 StringLiteral *S = getCFSTR_value(callExpr);
3591 std::string strLiteral(S->getString().str());
3592 result->EvalType = CXEval_CFStr;
3594 result->EvalData.stringVal = new char[strLiteral.size() + 1];
3595 strncpy((char *)result->EvalData.stringVal, strLiteral.c_str(),
3597 result->EvalData.stringVal[strLiteral.size()] = '\0';
3598 return result.release();
3602 } else if (expr->getStmtClass() == Stmt::CallExprClass) {
3603 callExpr = static_cast<CallExpr *>(expr);
3604 rettype = callExpr->getCallReturnType(ctx);
3606 if (rettype->isVectorType() || callExpr->getNumArgs() > 1)
3609 if (rettype->isIntegralType(ctx) || rettype->isRealFloatingType()) {
3610 if (callExpr->getNumArgs() == 1 &&
3611 !callExpr->getArg(0)->getType()->isIntegralType(ctx))
3613 } else if (rettype.getAsString() == "CFStringRef") {
3615 StringLiteral *S = getCFSTR_value(callExpr);
3617 std::string strLiteral(S->getString().str());
3618 result->EvalType = CXEval_CFStr;
3619 result->EvalData.stringVal = new char[strLiteral.size() + 1];
3620 strncpy((char *)result->EvalData.stringVal, strLiteral.c_str(),
3622 result->EvalData.stringVal[strLiteral.size()] = '\0';
3623 return result.release();
3626 } else if (expr->getStmtClass() == Stmt::DeclRefExprClass) {
3627 DeclRefExpr *D = static_cast<DeclRefExpr *>(expr);
3628 ValueDecl *V = D->getDecl();
3629 if (V->getKind() == Decl::Function) {
3630 std::string strName = V->getNameAsString();
3631 result->EvalType = CXEval_Other;
3632 result->EvalData.stringVal = new char[strName.size() + 1];
3633 strncpy(result->EvalData.stringVal, strName.c_str(), strName.size());
3634 result->EvalData.stringVal[strName.size()] = '\0';
3635 return result.release();
3642 CXEvalResult clang_Cursor_Evaluate(CXCursor C) {
3643 const Decl *D = getCursorDecl(C);
3645 const Expr *expr = nullptr;
3646 if (auto *Var = dyn_cast<VarDecl>(D)) {
3647 expr = Var->getInit();
3648 } else if (auto *Field = dyn_cast<FieldDecl>(D)) {
3649 expr = Field->getInClassInitializer();
3652 return const_cast<CXEvalResult>(reinterpret_cast<const void *>(
3653 evaluateExpr(const_cast<Expr *>(expr), C)));
3657 const CompoundStmt *compoundStmt = dyn_cast_or_null<CompoundStmt>(getCursorStmt(C));
3659 Expr *expr = nullptr;
3660 for (auto *bodyIterator : compoundStmt->body()) {
3661 if ((expr = dyn_cast<Expr>(bodyIterator))) {
3666 return const_cast<CXEvalResult>(
3667 reinterpret_cast<const void *>(evaluateExpr(expr, C)));
3672 unsigned clang_Cursor_hasAttrs(CXCursor C) {
3673 const Decl *D = getCursorDecl(C);
3678 if (D->hasAttrs()) {
3684 unsigned clang_defaultSaveOptions(CXTranslationUnit TU) {
3685 return CXSaveTranslationUnit_None;
3688 static CXSaveError clang_saveTranslationUnit_Impl(CXTranslationUnit TU,
3689 const char *FileName,
3691 CIndexer *CXXIdx = TU->CIdx;
3692 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3693 setThreadBackgroundPriority();
3695 bool hadError = cxtu::getASTUnit(TU)->Save(FileName);
3696 return hadError ? CXSaveError_Unknown : CXSaveError_None;
3699 int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
3702 *Log << TU << ' ' << FileName;
3705 if (isNotUsableTU(TU)) {
3707 return CXSaveError_InvalidTU;
3710 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3711 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3712 if (!CXXUnit->hasSema())
3713 return CXSaveError_InvalidTU;
3716 auto SaveTranslationUnitImpl = [=, &result]() {
3717 result = clang_saveTranslationUnit_Impl(TU, FileName, options);
3720 if (!CXXUnit->getDiagnostics().hasUnrecoverableErrorOccurred() ||
3721 getenv("LIBCLANG_NOTHREADS")) {
3722 SaveTranslationUnitImpl();
3724 if (getenv("LIBCLANG_RESOURCE_USAGE"))
3725 PrintLibclangResourceUsage(TU);
3730 // We have an AST that has invalid nodes due to compiler errors.
3731 // Use a crash recovery thread for protection.
3733 llvm::CrashRecoveryContext CRC;
3735 if (!RunSafely(CRC, SaveTranslationUnitImpl)) {
3736 fprintf(stderr, "libclang: crash detected during AST saving: {\n");
3737 fprintf(stderr, " 'filename' : '%s'\n", FileName);
3738 fprintf(stderr, " 'options' : %d,\n", options);
3739 fprintf(stderr, "}\n");
3741 return CXSaveError_Unknown;
3743 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3744 PrintLibclangResourceUsage(TU);
3750 void clang_disposeTranslationUnit(CXTranslationUnit CTUnit) {
3752 // If the translation unit has been marked as unsafe to free, just discard
3754 ASTUnit *Unit = cxtu::getASTUnit(CTUnit);
3755 if (Unit && Unit->isUnsafeToFree())
3758 delete cxtu::getASTUnit(CTUnit);
3759 delete CTUnit->StringPool;
3760 delete static_cast<CXDiagnosticSetImpl *>(CTUnit->Diagnostics);
3761 disposeOverridenCXCursorsPool(CTUnit->OverridenCursorsPool);
3762 delete CTUnit->CommentToXML;
3767 unsigned clang_defaultReparseOptions(CXTranslationUnit TU) {
3768 return CXReparse_None;
3772 clang_reparseTranslationUnit_Impl(CXTranslationUnit TU,
3773 ArrayRef<CXUnsavedFile> unsaved_files,
3776 if (isNotUsableTU(TU)) {
3778 return CXError_InvalidArguments;
3781 // Reset the associated diagnostics.
3782 delete static_cast<CXDiagnosticSetImpl*>(TU->Diagnostics);
3783 TU->Diagnostics = nullptr;
3785 CIndexer *CXXIdx = TU->CIdx;
3786 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
3787 setThreadBackgroundPriority();
3789 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3790 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3792 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3793 new std::vector<ASTUnit::RemappedFile>());
3795 // Recover resources if we crash before exiting this function.
3796 llvm::CrashRecoveryContextCleanupRegistrar<
3797 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3799 for (auto &UF : unsaved_files) {
3800 std::unique_ptr<llvm::MemoryBuffer> MB =
3801 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3802 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3805 if (!CXXUnit->Reparse(CXXIdx->getPCHContainerOperations(),
3806 *RemappedFiles.get()))
3807 return CXError_Success;
3808 if (isASTReadError(CXXUnit))
3809 return CXError_ASTReadError;
3810 return CXError_Failure;
3813 int clang_reparseTranslationUnit(CXTranslationUnit TU,
3814 unsigned num_unsaved_files,
3815 struct CXUnsavedFile *unsaved_files,
3821 if (num_unsaved_files && !unsaved_files)
3822 return CXError_InvalidArguments;
3825 auto ReparseTranslationUnitImpl = [=, &result]() {
3826 result = clang_reparseTranslationUnit_Impl(
3827 TU, llvm::makeArrayRef(unsaved_files, num_unsaved_files), options);
3830 if (getenv("LIBCLANG_NOTHREADS")) {
3831 ReparseTranslationUnitImpl();
3835 llvm::CrashRecoveryContext CRC;
3837 if (!RunSafely(CRC, ReparseTranslationUnitImpl)) {
3838 fprintf(stderr, "libclang: crash detected during reparsing\n");
3839 cxtu::getASTUnit(TU)->setUnsafeToFree(true);
3840 return CXError_Crashed;
3841 } else if (getenv("LIBCLANG_RESOURCE_USAGE"))
3842 PrintLibclangResourceUsage(TU);
3848 CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
3849 if (isNotUsableTU(CTUnit)) {
3851 return cxstring::createEmpty();
3854 ASTUnit *CXXUnit = cxtu::getASTUnit(CTUnit);
3855 return cxstring::createDup(CXXUnit->getOriginalSourceFileName());
3858 CXCursor clang_getTranslationUnitCursor(CXTranslationUnit TU) {
3859 if (isNotUsableTU(TU)) {
3861 return clang_getNullCursor();
3864 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3865 return MakeCXCursor(CXXUnit->getASTContext().getTranslationUnitDecl(), TU);
3868 } // end: extern "C"
3870 //===----------------------------------------------------------------------===//
3871 // CXFile Operations.
3872 //===----------------------------------------------------------------------===//
3875 CXString clang_getFileName(CXFile SFile) {
3877 return cxstring::createNull();
3879 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3880 return cxstring::createRef(FEnt->getName());
3883 time_t clang_getFileTime(CXFile SFile) {
3887 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3888 return FEnt->getModificationTime();
3891 CXFile clang_getFile(CXTranslationUnit TU, const char *file_name) {
3892 if (isNotUsableTU(TU)) {
3897 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3899 FileManager &FMgr = CXXUnit->getFileManager();
3900 return const_cast<FileEntry *>(FMgr.getFile(file_name));
3903 unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit TU,
3905 if (isNotUsableTU(TU)) {
3913 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3914 FileEntry *FEnt = static_cast<FileEntry *>(file);
3915 return CXXUnit->getPreprocessor().getHeaderSearchInfo()
3916 .isFileMultipleIncludeGuarded(FEnt);
3919 int clang_getFileUniqueID(CXFile file, CXFileUniqueID *outID) {
3920 if (!file || !outID)
3923 FileEntry *FEnt = static_cast<FileEntry *>(file);
3924 const llvm::sys::fs::UniqueID &ID = FEnt->getUniqueID();
3925 outID->data[0] = ID.getDevice();
3926 outID->data[1] = ID.getFile();
3927 outID->data[2] = FEnt->getModificationTime();
3931 int clang_File_isEqual(CXFile file1, CXFile file2) {
3935 if (!file1 || !file2)
3938 FileEntry *FEnt1 = static_cast<FileEntry *>(file1);
3939 FileEntry *FEnt2 = static_cast<FileEntry *>(file2);
3940 return FEnt1->getUniqueID() == FEnt2->getUniqueID();
3943 } // end: extern "C"
3945 //===----------------------------------------------------------------------===//
3946 // CXCursor Operations.
3947 //===----------------------------------------------------------------------===//
3949 static const Decl *getDeclFromExpr(const Stmt *E) {
3950 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3951 return getDeclFromExpr(CE->getSubExpr());
3953 if (const DeclRefExpr *RefExpr = dyn_cast<DeclRefExpr>(E))
3954 return RefExpr->getDecl();
3955 if (const MemberExpr *ME = dyn_cast<MemberExpr>(E))
3956 return ME->getMemberDecl();
3957 if (const ObjCIvarRefExpr *RE = dyn_cast<ObjCIvarRefExpr>(E))
3958 return RE->getDecl();
3959 if (const ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(E)) {
3960 if (PRE->isExplicitProperty())
3961 return PRE->getExplicitProperty();
3962 // It could be messaging both getter and setter as in:
3964 // in which case prefer to associate the setter since it is less obvious
3965 // from inspecting the source that the setter is going to get called.
3966 if (PRE->isMessagingSetter())
3967 return PRE->getImplicitPropertySetter();
3968 return PRE->getImplicitPropertyGetter();
3970 if (const PseudoObjectExpr *POE = dyn_cast<PseudoObjectExpr>(E))
3971 return getDeclFromExpr(POE->getSyntacticForm());
3972 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E))
3973 if (Expr *Src = OVE->getSourceExpr())
3974 return getDeclFromExpr(Src);
3976 if (const CallExpr *CE = dyn_cast<CallExpr>(E))
3977 return getDeclFromExpr(CE->getCallee());
3978 if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E))
3979 if (!CE->isElidable())
3980 return CE->getConstructor();
3981 if (const CXXInheritedCtorInitExpr *CE =
3982 dyn_cast<CXXInheritedCtorInitExpr>(E))
3983 return CE->getConstructor();
3984 if (const ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(E))
3985 return OME->getMethodDecl();
3987 if (const ObjCProtocolExpr *PE = dyn_cast<ObjCProtocolExpr>(E))
3988 return PE->getProtocol();
3989 if (const SubstNonTypeTemplateParmPackExpr *NTTP
3990 = dyn_cast<SubstNonTypeTemplateParmPackExpr>(E))
3991 return NTTP->getParameterPack();
3992 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3993 if (isa<NonTypeTemplateParmDecl>(SizeOfPack->getPack()) ||
3994 isa<ParmVarDecl>(SizeOfPack->getPack()))
3995 return SizeOfPack->getPack();
4000 static SourceLocation getLocationFromExpr(const Expr *E) {
4001 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
4002 return getLocationFromExpr(CE->getSubExpr());
4004 if (const ObjCMessageExpr *Msg = dyn_cast<ObjCMessageExpr>(E))
4005 return /*FIXME:*/Msg->getLeftLoc();
4006 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E))
4007 return DRE->getLocation();
4008 if (const MemberExpr *Member = dyn_cast<MemberExpr>(E))
4009 return Member->getMemberLoc();
4010 if (const ObjCIvarRefExpr *Ivar = dyn_cast<ObjCIvarRefExpr>(E))
4011 return Ivar->getLocation();
4012 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
4013 return SizeOfPack->getPackLoc();
4014 if (const ObjCPropertyRefExpr *PropRef = dyn_cast<ObjCPropertyRefExpr>(E))
4015 return PropRef->getLocation();
4017 return E->getLocStart();
4022 unsigned clang_visitChildren(CXCursor parent,
4023 CXCursorVisitor visitor,
4024 CXClientData client_data) {
4025 CursorVisitor CursorVis(getCursorTU(parent), visitor, client_data,
4026 /*VisitPreprocessorLast=*/false);
4027 return CursorVis.VisitChildren(parent);
4030 #ifndef __has_feature
4031 #define __has_feature(x) 0
4033 #if __has_feature(blocks)
4034 typedef enum CXChildVisitResult
4035 (^CXCursorVisitorBlock)(CXCursor cursor, CXCursor parent);
4037 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
4038 CXClientData client_data) {
4039 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
4040 return block(cursor, parent);
4043 // If we are compiled with a compiler that doesn't have native blocks support,
4044 // define and call the block manually, so the
4045 typedef struct _CXChildVisitResult
4050 enum CXChildVisitResult(*invoke)(struct _CXChildVisitResult*, CXCursor,
4052 } *CXCursorVisitorBlock;
4054 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
4055 CXClientData client_data) {
4056 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
4057 return block->invoke(block, cursor, parent);
4062 unsigned clang_visitChildrenWithBlock(CXCursor parent,
4063 CXCursorVisitorBlock block) {
4064 return clang_visitChildren(parent, visitWithBlock, block);
4067 static CXString getDeclSpelling(const Decl *D) {
4069 return cxstring::createEmpty();
4071 const NamedDecl *ND = dyn_cast<NamedDecl>(D);
4073 if (const ObjCPropertyImplDecl *PropImpl =
4074 dyn_cast<ObjCPropertyImplDecl>(D))
4075 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
4076 return cxstring::createDup(Property->getIdentifier()->getName());
4078 if (const ImportDecl *ImportD = dyn_cast<ImportDecl>(D))
4079 if (Module *Mod = ImportD->getImportedModule())
4080 return cxstring::createDup(Mod->getFullModuleName());
4082 return cxstring::createEmpty();
4085 if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(ND))
4086 return cxstring::createDup(OMD->getSelector().getAsString());
4088 if (const ObjCCategoryImplDecl *CIMP = dyn_cast<ObjCCategoryImplDecl>(ND))
4089 // No, this isn't the same as the code below. getIdentifier() is non-virtual
4090 // and returns different names. NamedDecl returns the class name and
4091 // ObjCCategoryImplDecl returns the category name.
4092 return cxstring::createRef(CIMP->getIdentifier()->getNameStart());
4094 if (isa<UsingDirectiveDecl>(D))
4095 return cxstring::createEmpty();
4097 SmallString<1024> S;
4098 llvm::raw_svector_ostream os(S);
4101 return cxstring::createDup(os.str());
4104 CXString clang_getCursorSpelling(CXCursor C) {
4105 if (clang_isTranslationUnit(C.kind))
4106 return clang_getTranslationUnitSpelling(getCursorTU(C));
4108 if (clang_isReference(C.kind)) {
4110 case CXCursor_ObjCSuperClassRef: {
4111 const ObjCInterfaceDecl *Super = getCursorObjCSuperClassRef(C).first;
4112 return cxstring::createRef(Super->getIdentifier()->getNameStart());
4114 case CXCursor_ObjCClassRef: {
4115 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
4116 return cxstring::createRef(Class->getIdentifier()->getNameStart());
4118 case CXCursor_ObjCProtocolRef: {
4119 const ObjCProtocolDecl *OID = getCursorObjCProtocolRef(C).first;
4120 assert(OID && "getCursorSpelling(): Missing protocol decl");
4121 return cxstring::createRef(OID->getIdentifier()->getNameStart());
4123 case CXCursor_CXXBaseSpecifier: {
4124 const CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
4125 return cxstring::createDup(B->getType().getAsString());
4127 case CXCursor_TypeRef: {
4128 const TypeDecl *Type = getCursorTypeRef(C).first;
4129 assert(Type && "Missing type decl");
4131 return cxstring::createDup(getCursorContext(C).getTypeDeclType(Type).
4134 case CXCursor_TemplateRef: {
4135 const TemplateDecl *Template = getCursorTemplateRef(C).first;
4136 assert(Template && "Missing template decl");
4138 return cxstring::createDup(Template->getNameAsString());
4141 case CXCursor_NamespaceRef: {
4142 const NamedDecl *NS = getCursorNamespaceRef(C).first;
4143 assert(NS && "Missing namespace decl");
4145 return cxstring::createDup(NS->getNameAsString());
4148 case CXCursor_MemberRef: {
4149 const FieldDecl *Field = getCursorMemberRef(C).first;
4150 assert(Field && "Missing member decl");
4152 return cxstring::createDup(Field->getNameAsString());
4155 case CXCursor_LabelRef: {
4156 const LabelStmt *Label = getCursorLabelRef(C).first;
4157 assert(Label && "Missing label");
4159 return cxstring::createRef(Label->getName());
4162 case CXCursor_OverloadedDeclRef: {
4163 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
4164 if (const Decl *D = Storage.dyn_cast<const Decl *>()) {
4165 if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
4166 return cxstring::createDup(ND->getNameAsString());
4167 return cxstring::createEmpty();
4169 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
4170 return cxstring::createDup(E->getName().getAsString());
4171 OverloadedTemplateStorage *Ovl
4172 = Storage.get<OverloadedTemplateStorage*>();
4173 if (Ovl->size() == 0)
4174 return cxstring::createEmpty();
4175 return cxstring::createDup((*Ovl->begin())->getNameAsString());
4178 case CXCursor_VariableRef: {
4179 const VarDecl *Var = getCursorVariableRef(C).first;
4180 assert(Var && "Missing variable decl");
4182 return cxstring::createDup(Var->getNameAsString());
4186 return cxstring::createRef("<not implemented>");
4190 if (clang_isExpression(C.kind)) {
4191 const Expr *E = getCursorExpr(C);
4193 if (C.kind == CXCursor_ObjCStringLiteral ||
4194 C.kind == CXCursor_StringLiteral) {
4195 const StringLiteral *SLit;
4196 if (const ObjCStringLiteral *OSL = dyn_cast<ObjCStringLiteral>(E)) {
4197 SLit = OSL->getString();
4199 SLit = cast<StringLiteral>(E);
4201 SmallString<256> Buf;
4202 llvm::raw_svector_ostream OS(Buf);
4203 SLit->outputString(OS);
4204 return cxstring::createDup(OS.str());
4207 const Decl *D = getDeclFromExpr(getCursorExpr(C));
4209 return getDeclSpelling(D);
4210 return cxstring::createEmpty();
4213 if (clang_isStatement(C.kind)) {
4214 const Stmt *S = getCursorStmt(C);
4215 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S))
4216 return cxstring::createRef(Label->getName());
4218 return cxstring::createEmpty();
4221 if (C.kind == CXCursor_MacroExpansion)
4222 return cxstring::createRef(getCursorMacroExpansion(C).getName()
4225 if (C.kind == CXCursor_MacroDefinition)
4226 return cxstring::createRef(getCursorMacroDefinition(C)->getName()
4229 if (C.kind == CXCursor_InclusionDirective)
4230 return cxstring::createDup(getCursorInclusionDirective(C)->getFileName());
4232 if (clang_isDeclaration(C.kind))
4233 return getDeclSpelling(getCursorDecl(C));
4235 if (C.kind == CXCursor_AnnotateAttr) {
4236 const AnnotateAttr *AA = cast<AnnotateAttr>(cxcursor::getCursorAttr(C));
4237 return cxstring::createDup(AA->getAnnotation());
4240 if (C.kind == CXCursor_AsmLabelAttr) {
4241 const AsmLabelAttr *AA = cast<AsmLabelAttr>(cxcursor::getCursorAttr(C));
4242 return cxstring::createDup(AA->getLabel());
4245 if (C.kind == CXCursor_PackedAttr) {
4246 return cxstring::createRef("packed");
4249 if (C.kind == CXCursor_VisibilityAttr) {
4250 const VisibilityAttr *AA = cast<VisibilityAttr>(cxcursor::getCursorAttr(C));
4251 switch (AA->getVisibility()) {
4252 case VisibilityAttr::VisibilityType::Default:
4253 return cxstring::createRef("default");
4254 case VisibilityAttr::VisibilityType::Hidden:
4255 return cxstring::createRef("hidden");
4256 case VisibilityAttr::VisibilityType::Protected:
4257 return cxstring::createRef("protected");
4259 llvm_unreachable("unknown visibility type");
4262 return cxstring::createEmpty();
4265 CXSourceRange clang_Cursor_getSpellingNameRange(CXCursor C,
4266 unsigned pieceIndex,
4268 if (clang_Cursor_isNull(C))
4269 return clang_getNullRange();
4271 ASTContext &Ctx = getCursorContext(C);
4273 if (clang_isStatement(C.kind)) {
4274 const Stmt *S = getCursorStmt(C);
4275 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S)) {
4277 return clang_getNullRange();
4278 return cxloc::translateSourceRange(Ctx, Label->getIdentLoc());
4281 return clang_getNullRange();
4284 if (C.kind == CXCursor_ObjCMessageExpr) {
4285 if (const ObjCMessageExpr *
4286 ME = dyn_cast_or_null<ObjCMessageExpr>(getCursorExpr(C))) {
4287 if (pieceIndex >= ME->getNumSelectorLocs())
4288 return clang_getNullRange();
4289 return cxloc::translateSourceRange(Ctx, ME->getSelectorLoc(pieceIndex));
4293 if (C.kind == CXCursor_ObjCInstanceMethodDecl ||
4294 C.kind == CXCursor_ObjCClassMethodDecl) {
4295 if (const ObjCMethodDecl *
4296 MD = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(C))) {
4297 if (pieceIndex >= MD->getNumSelectorLocs())
4298 return clang_getNullRange();
4299 return cxloc::translateSourceRange(Ctx, MD->getSelectorLoc(pieceIndex));
4303 if (C.kind == CXCursor_ObjCCategoryDecl ||
4304 C.kind == CXCursor_ObjCCategoryImplDecl) {
4306 return clang_getNullRange();
4307 if (const ObjCCategoryDecl *
4308 CD = dyn_cast_or_null<ObjCCategoryDecl>(getCursorDecl(C)))
4309 return cxloc::translateSourceRange(Ctx, CD->getCategoryNameLoc());
4310 if (const ObjCCategoryImplDecl *
4311 CID = dyn_cast_or_null<ObjCCategoryImplDecl>(getCursorDecl(C)))
4312 return cxloc::translateSourceRange(Ctx, CID->getCategoryNameLoc());
4315 if (C.kind == CXCursor_ModuleImportDecl) {
4317 return clang_getNullRange();
4318 if (const ImportDecl *ImportD =
4319 dyn_cast_or_null<ImportDecl>(getCursorDecl(C))) {
4320 ArrayRef<SourceLocation> Locs = ImportD->getIdentifierLocs();
4322 return cxloc::translateSourceRange(Ctx,
4323 SourceRange(Locs.front(), Locs.back()));
4325 return clang_getNullRange();
4328 if (C.kind == CXCursor_CXXMethod || C.kind == CXCursor_Destructor ||
4329 C.kind == CXCursor_ConversionFunction) {
4331 return clang_getNullRange();
4332 if (const FunctionDecl *FD =
4333 dyn_cast_or_null<FunctionDecl>(getCursorDecl(C))) {
4334 DeclarationNameInfo FunctionName = FD->getNameInfo();
4335 return cxloc::translateSourceRange(Ctx, FunctionName.getSourceRange());
4337 return clang_getNullRange();
4340 // FIXME: A CXCursor_InclusionDirective should give the location of the
4341 // filename, but we don't keep track of this.
4343 // FIXME: A CXCursor_AnnotateAttr should give the location of the annotation
4344 // but we don't keep track of this.
4346 // FIXME: A CXCursor_AsmLabelAttr should give the location of the label
4347 // but we don't keep track of this.
4349 // Default handling, give the location of the cursor.
4352 return clang_getNullRange();
4354 CXSourceLocation CXLoc = clang_getCursorLocation(C);
4355 SourceLocation Loc = cxloc::translateSourceLocation(CXLoc);
4356 return cxloc::translateSourceRange(Ctx, Loc);
4359 CXString clang_Cursor_getMangling(CXCursor C) {
4360 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
4361 return cxstring::createEmpty();
4363 // Mangling only works for functions and variables.
4364 const Decl *D = getCursorDecl(C);
4365 if (!D || !(isa<FunctionDecl>(D) || isa<VarDecl>(D)))
4366 return cxstring::createEmpty();
4368 ASTContext &Ctx = D->getASTContext();
4369 index::CodegenNameGenerator CGNameGen(Ctx);
4370 return cxstring::createDup(CGNameGen.getName(D));
4373 CXStringSet *clang_Cursor_getCXXManglings(CXCursor C) {
4374 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
4377 const Decl *D = getCursorDecl(C);
4378 if (!(isa<CXXRecordDecl>(D) || isa<CXXMethodDecl>(D)))
4381 ASTContext &Ctx = D->getASTContext();
4382 index::CodegenNameGenerator CGNameGen(Ctx);
4383 std::vector<std::string> Manglings = CGNameGen.getAllManglings(D);
4384 return cxstring::createSet(Manglings);
4387 CXString clang_getCursorDisplayName(CXCursor C) {
4388 if (!clang_isDeclaration(C.kind))
4389 return clang_getCursorSpelling(C);
4391 const Decl *D = getCursorDecl(C);
4393 return cxstring::createEmpty();
4395 PrintingPolicy Policy = getCursorContext(C).getPrintingPolicy();
4396 if (const FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(D))
4397 D = FunTmpl->getTemplatedDecl();
4399 if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
4400 SmallString<64> Str;
4401 llvm::raw_svector_ostream OS(Str);
4403 if (Function->getPrimaryTemplate())
4406 for (unsigned I = 0, N = Function->getNumParams(); I != N; ++I) {
4409 OS << Function->getParamDecl(I)->getType().getAsString(Policy);
4412 if (Function->isVariadic()) {
4413 if (Function->getNumParams())
4418 return cxstring::createDup(OS.str());
4421 if (const ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(D)) {
4422 SmallString<64> Str;
4423 llvm::raw_svector_ostream OS(Str);
4424 OS << *ClassTemplate;
4426 TemplateParameterList *Params = ClassTemplate->getTemplateParameters();
4427 for (unsigned I = 0, N = Params->size(); I != N; ++I) {
4431 NamedDecl *Param = Params->getParam(I);
4432 if (Param->getIdentifier()) {
4433 OS << Param->getIdentifier()->getName();
4437 // There is no parameter name, which makes this tricky. Try to come up
4438 // with something useful that isn't too long.
4439 if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Param))
4440 OS << (TTP->wasDeclaredWithTypename()? "typename" : "class");
4441 else if (NonTypeTemplateParmDecl *NTTP
4442 = dyn_cast<NonTypeTemplateParmDecl>(Param))
4443 OS << NTTP->getType().getAsString(Policy);
4445 OS << "template<...> class";
4449 return cxstring::createDup(OS.str());
4452 if (const ClassTemplateSpecializationDecl *ClassSpec
4453 = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
4454 // If the type was explicitly written, use that.
4455 if (TypeSourceInfo *TSInfo = ClassSpec->getTypeAsWritten())
4456 return cxstring::createDup(TSInfo->getType().getAsString(Policy));
4458 SmallString<128> Str;
4459 llvm::raw_svector_ostream OS(Str);
4461 TemplateSpecializationType::PrintTemplateArgumentList(
4462 OS, ClassSpec->getTemplateArgs().asArray(), Policy);
4463 return cxstring::createDup(OS.str());
4466 return clang_getCursorSpelling(C);
4469 CXString clang_getCursorKindSpelling(enum CXCursorKind Kind) {
4471 case CXCursor_FunctionDecl:
4472 return cxstring::createRef("FunctionDecl");
4473 case CXCursor_TypedefDecl:
4474 return cxstring::createRef("TypedefDecl");
4475 case CXCursor_EnumDecl:
4476 return cxstring::createRef("EnumDecl");
4477 case CXCursor_EnumConstantDecl:
4478 return cxstring::createRef("EnumConstantDecl");
4479 case CXCursor_StructDecl:
4480 return cxstring::createRef("StructDecl");
4481 case CXCursor_UnionDecl:
4482 return cxstring::createRef("UnionDecl");
4483 case CXCursor_ClassDecl:
4484 return cxstring::createRef("ClassDecl");
4485 case CXCursor_FieldDecl:
4486 return cxstring::createRef("FieldDecl");
4487 case CXCursor_VarDecl:
4488 return cxstring::createRef("VarDecl");
4489 case CXCursor_ParmDecl:
4490 return cxstring::createRef("ParmDecl");
4491 case CXCursor_ObjCInterfaceDecl:
4492 return cxstring::createRef("ObjCInterfaceDecl");
4493 case CXCursor_ObjCCategoryDecl:
4494 return cxstring::createRef("ObjCCategoryDecl");
4495 case CXCursor_ObjCProtocolDecl:
4496 return cxstring::createRef("ObjCProtocolDecl");
4497 case CXCursor_ObjCPropertyDecl:
4498 return cxstring::createRef("ObjCPropertyDecl");
4499 case CXCursor_ObjCIvarDecl:
4500 return cxstring::createRef("ObjCIvarDecl");
4501 case CXCursor_ObjCInstanceMethodDecl:
4502 return cxstring::createRef("ObjCInstanceMethodDecl");
4503 case CXCursor_ObjCClassMethodDecl:
4504 return cxstring::createRef("ObjCClassMethodDecl");
4505 case CXCursor_ObjCImplementationDecl:
4506 return cxstring::createRef("ObjCImplementationDecl");
4507 case CXCursor_ObjCCategoryImplDecl:
4508 return cxstring::createRef("ObjCCategoryImplDecl");
4509 case CXCursor_CXXMethod:
4510 return cxstring::createRef("CXXMethod");
4511 case CXCursor_UnexposedDecl:
4512 return cxstring::createRef("UnexposedDecl");
4513 case CXCursor_ObjCSuperClassRef:
4514 return cxstring::createRef("ObjCSuperClassRef");
4515 case CXCursor_ObjCProtocolRef:
4516 return cxstring::createRef("ObjCProtocolRef");
4517 case CXCursor_ObjCClassRef:
4518 return cxstring::createRef("ObjCClassRef");
4519 case CXCursor_TypeRef:
4520 return cxstring::createRef("TypeRef");
4521 case CXCursor_TemplateRef:
4522 return cxstring::createRef("TemplateRef");
4523 case CXCursor_NamespaceRef:
4524 return cxstring::createRef("NamespaceRef");
4525 case CXCursor_MemberRef:
4526 return cxstring::createRef("MemberRef");
4527 case CXCursor_LabelRef:
4528 return cxstring::createRef("LabelRef");
4529 case CXCursor_OverloadedDeclRef:
4530 return cxstring::createRef("OverloadedDeclRef");
4531 case CXCursor_VariableRef:
4532 return cxstring::createRef("VariableRef");
4533 case CXCursor_IntegerLiteral:
4534 return cxstring::createRef("IntegerLiteral");
4535 case CXCursor_FloatingLiteral:
4536 return cxstring::createRef("FloatingLiteral");
4537 case CXCursor_ImaginaryLiteral:
4538 return cxstring::createRef("ImaginaryLiteral");
4539 case CXCursor_StringLiteral:
4540 return cxstring::createRef("StringLiteral");
4541 case CXCursor_CharacterLiteral:
4542 return cxstring::createRef("CharacterLiteral");
4543 case CXCursor_ParenExpr:
4544 return cxstring::createRef("ParenExpr");
4545 case CXCursor_UnaryOperator:
4546 return cxstring::createRef("UnaryOperator");
4547 case CXCursor_ArraySubscriptExpr:
4548 return cxstring::createRef("ArraySubscriptExpr");
4549 case CXCursor_OMPArraySectionExpr:
4550 return cxstring::createRef("OMPArraySectionExpr");
4551 case CXCursor_BinaryOperator:
4552 return cxstring::createRef("BinaryOperator");
4553 case CXCursor_CompoundAssignOperator:
4554 return cxstring::createRef("CompoundAssignOperator");
4555 case CXCursor_ConditionalOperator:
4556 return cxstring::createRef("ConditionalOperator");
4557 case CXCursor_CStyleCastExpr:
4558 return cxstring::createRef("CStyleCastExpr");
4559 case CXCursor_CompoundLiteralExpr:
4560 return cxstring::createRef("CompoundLiteralExpr");
4561 case CXCursor_InitListExpr:
4562 return cxstring::createRef("InitListExpr");
4563 case CXCursor_AddrLabelExpr:
4564 return cxstring::createRef("AddrLabelExpr");
4565 case CXCursor_StmtExpr:
4566 return cxstring::createRef("StmtExpr");
4567 case CXCursor_GenericSelectionExpr:
4568 return cxstring::createRef("GenericSelectionExpr");
4569 case CXCursor_GNUNullExpr:
4570 return cxstring::createRef("GNUNullExpr");
4571 case CXCursor_CXXStaticCastExpr:
4572 return cxstring::createRef("CXXStaticCastExpr");
4573 case CXCursor_CXXDynamicCastExpr:
4574 return cxstring::createRef("CXXDynamicCastExpr");
4575 case CXCursor_CXXReinterpretCastExpr:
4576 return cxstring::createRef("CXXReinterpretCastExpr");
4577 case CXCursor_CXXConstCastExpr:
4578 return cxstring::createRef("CXXConstCastExpr");
4579 case CXCursor_CXXFunctionalCastExpr:
4580 return cxstring::createRef("CXXFunctionalCastExpr");
4581 case CXCursor_CXXTypeidExpr:
4582 return cxstring::createRef("CXXTypeidExpr");
4583 case CXCursor_CXXBoolLiteralExpr:
4584 return cxstring::createRef("CXXBoolLiteralExpr");
4585 case CXCursor_CXXNullPtrLiteralExpr:
4586 return cxstring::createRef("CXXNullPtrLiteralExpr");
4587 case CXCursor_CXXThisExpr:
4588 return cxstring::createRef("CXXThisExpr");
4589 case CXCursor_CXXThrowExpr:
4590 return cxstring::createRef("CXXThrowExpr");
4591 case CXCursor_CXXNewExpr:
4592 return cxstring::createRef("CXXNewExpr");
4593 case CXCursor_CXXDeleteExpr:
4594 return cxstring::createRef("CXXDeleteExpr");
4595 case CXCursor_UnaryExpr:
4596 return cxstring::createRef("UnaryExpr");
4597 case CXCursor_ObjCStringLiteral:
4598 return cxstring::createRef("ObjCStringLiteral");
4599 case CXCursor_ObjCBoolLiteralExpr:
4600 return cxstring::createRef("ObjCBoolLiteralExpr");
4601 case CXCursor_ObjCSelfExpr:
4602 return cxstring::createRef("ObjCSelfExpr");
4603 case CXCursor_ObjCEncodeExpr:
4604 return cxstring::createRef("ObjCEncodeExpr");
4605 case CXCursor_ObjCSelectorExpr:
4606 return cxstring::createRef("ObjCSelectorExpr");
4607 case CXCursor_ObjCProtocolExpr:
4608 return cxstring::createRef("ObjCProtocolExpr");
4609 case CXCursor_ObjCBridgedCastExpr:
4610 return cxstring::createRef("ObjCBridgedCastExpr");
4611 case CXCursor_BlockExpr:
4612 return cxstring::createRef("BlockExpr");
4613 case CXCursor_PackExpansionExpr:
4614 return cxstring::createRef("PackExpansionExpr");
4615 case CXCursor_SizeOfPackExpr:
4616 return cxstring::createRef("SizeOfPackExpr");
4617 case CXCursor_LambdaExpr:
4618 return cxstring::createRef("LambdaExpr");
4619 case CXCursor_UnexposedExpr:
4620 return cxstring::createRef("UnexposedExpr");
4621 case CXCursor_DeclRefExpr:
4622 return cxstring::createRef("DeclRefExpr");
4623 case CXCursor_MemberRefExpr:
4624 return cxstring::createRef("MemberRefExpr");
4625 case CXCursor_CallExpr:
4626 return cxstring::createRef("CallExpr");
4627 case CXCursor_ObjCMessageExpr:
4628 return cxstring::createRef("ObjCMessageExpr");
4629 case CXCursor_UnexposedStmt:
4630 return cxstring::createRef("UnexposedStmt");
4631 case CXCursor_DeclStmt:
4632 return cxstring::createRef("DeclStmt");
4633 case CXCursor_LabelStmt:
4634 return cxstring::createRef("LabelStmt");
4635 case CXCursor_CompoundStmt:
4636 return cxstring::createRef("CompoundStmt");
4637 case CXCursor_CaseStmt:
4638 return cxstring::createRef("CaseStmt");
4639 case CXCursor_DefaultStmt:
4640 return cxstring::createRef("DefaultStmt");
4641 case CXCursor_IfStmt:
4642 return cxstring::createRef("IfStmt");
4643 case CXCursor_SwitchStmt:
4644 return cxstring::createRef("SwitchStmt");
4645 case CXCursor_WhileStmt:
4646 return cxstring::createRef("WhileStmt");
4647 case CXCursor_DoStmt:
4648 return cxstring::createRef("DoStmt");
4649 case CXCursor_ForStmt:
4650 return cxstring::createRef("ForStmt");
4651 case CXCursor_GotoStmt:
4652 return cxstring::createRef("GotoStmt");
4653 case CXCursor_IndirectGotoStmt:
4654 return cxstring::createRef("IndirectGotoStmt");
4655 case CXCursor_ContinueStmt:
4656 return cxstring::createRef("ContinueStmt");
4657 case CXCursor_BreakStmt:
4658 return cxstring::createRef("BreakStmt");
4659 case CXCursor_ReturnStmt:
4660 return cxstring::createRef("ReturnStmt");
4661 case CXCursor_GCCAsmStmt:
4662 return cxstring::createRef("GCCAsmStmt");
4663 case CXCursor_MSAsmStmt:
4664 return cxstring::createRef("MSAsmStmt");
4665 case CXCursor_ObjCAtTryStmt:
4666 return cxstring::createRef("ObjCAtTryStmt");
4667 case CXCursor_ObjCAtCatchStmt:
4668 return cxstring::createRef("ObjCAtCatchStmt");
4669 case CXCursor_ObjCAtFinallyStmt:
4670 return cxstring::createRef("ObjCAtFinallyStmt");
4671 case CXCursor_ObjCAtThrowStmt:
4672 return cxstring::createRef("ObjCAtThrowStmt");
4673 case CXCursor_ObjCAtSynchronizedStmt:
4674 return cxstring::createRef("ObjCAtSynchronizedStmt");
4675 case CXCursor_ObjCAutoreleasePoolStmt:
4676 return cxstring::createRef("ObjCAutoreleasePoolStmt");
4677 case CXCursor_ObjCForCollectionStmt:
4678 return cxstring::createRef("ObjCForCollectionStmt");
4679 case CXCursor_CXXCatchStmt:
4680 return cxstring::createRef("CXXCatchStmt");
4681 case CXCursor_CXXTryStmt:
4682 return cxstring::createRef("CXXTryStmt");
4683 case CXCursor_CXXForRangeStmt:
4684 return cxstring::createRef("CXXForRangeStmt");
4685 case CXCursor_SEHTryStmt:
4686 return cxstring::createRef("SEHTryStmt");
4687 case CXCursor_SEHExceptStmt:
4688 return cxstring::createRef("SEHExceptStmt");
4689 case CXCursor_SEHFinallyStmt:
4690 return cxstring::createRef("SEHFinallyStmt");
4691 case CXCursor_SEHLeaveStmt:
4692 return cxstring::createRef("SEHLeaveStmt");
4693 case CXCursor_NullStmt:
4694 return cxstring::createRef("NullStmt");
4695 case CXCursor_InvalidFile:
4696 return cxstring::createRef("InvalidFile");
4697 case CXCursor_InvalidCode:
4698 return cxstring::createRef("InvalidCode");
4699 case CXCursor_NoDeclFound:
4700 return cxstring::createRef("NoDeclFound");
4701 case CXCursor_NotImplemented:
4702 return cxstring::createRef("NotImplemented");
4703 case CXCursor_TranslationUnit:
4704 return cxstring::createRef("TranslationUnit");
4705 case CXCursor_UnexposedAttr:
4706 return cxstring::createRef("UnexposedAttr");
4707 case CXCursor_IBActionAttr:
4708 return cxstring::createRef("attribute(ibaction)");
4709 case CXCursor_IBOutletAttr:
4710 return cxstring::createRef("attribute(iboutlet)");
4711 case CXCursor_IBOutletCollectionAttr:
4712 return cxstring::createRef("attribute(iboutletcollection)");
4713 case CXCursor_CXXFinalAttr:
4714 return cxstring::createRef("attribute(final)");
4715 case CXCursor_CXXOverrideAttr:
4716 return cxstring::createRef("attribute(override)");
4717 case CXCursor_AnnotateAttr:
4718 return cxstring::createRef("attribute(annotate)");
4719 case CXCursor_AsmLabelAttr:
4720 return cxstring::createRef("asm label");
4721 case CXCursor_PackedAttr:
4722 return cxstring::createRef("attribute(packed)");
4723 case CXCursor_PureAttr:
4724 return cxstring::createRef("attribute(pure)");
4725 case CXCursor_ConstAttr:
4726 return cxstring::createRef("attribute(const)");
4727 case CXCursor_NoDuplicateAttr:
4728 return cxstring::createRef("attribute(noduplicate)");
4729 case CXCursor_CUDAConstantAttr:
4730 return cxstring::createRef("attribute(constant)");
4731 case CXCursor_CUDADeviceAttr:
4732 return cxstring::createRef("attribute(device)");
4733 case CXCursor_CUDAGlobalAttr:
4734 return cxstring::createRef("attribute(global)");
4735 case CXCursor_CUDAHostAttr:
4736 return cxstring::createRef("attribute(host)");
4737 case CXCursor_CUDASharedAttr:
4738 return cxstring::createRef("attribute(shared)");
4739 case CXCursor_VisibilityAttr:
4740 return cxstring::createRef("attribute(visibility)");
4741 case CXCursor_DLLExport:
4742 return cxstring::createRef("attribute(dllexport)");
4743 case CXCursor_DLLImport:
4744 return cxstring::createRef("attribute(dllimport)");
4745 case CXCursor_PreprocessingDirective:
4746 return cxstring::createRef("preprocessing directive");
4747 case CXCursor_MacroDefinition:
4748 return cxstring::createRef("macro definition");
4749 case CXCursor_MacroExpansion:
4750 return cxstring::createRef("macro expansion");
4751 case CXCursor_InclusionDirective:
4752 return cxstring::createRef("inclusion directive");
4753 case CXCursor_Namespace:
4754 return cxstring::createRef("Namespace");
4755 case CXCursor_LinkageSpec:
4756 return cxstring::createRef("LinkageSpec");
4757 case CXCursor_CXXBaseSpecifier:
4758 return cxstring::createRef("C++ base class specifier");
4759 case CXCursor_Constructor:
4760 return cxstring::createRef("CXXConstructor");
4761 case CXCursor_Destructor:
4762 return cxstring::createRef("CXXDestructor");
4763 case CXCursor_ConversionFunction:
4764 return cxstring::createRef("CXXConversion");
4765 case CXCursor_TemplateTypeParameter:
4766 return cxstring::createRef("TemplateTypeParameter");
4767 case CXCursor_NonTypeTemplateParameter:
4768 return cxstring::createRef("NonTypeTemplateParameter");
4769 case CXCursor_TemplateTemplateParameter:
4770 return cxstring::createRef("TemplateTemplateParameter");
4771 case CXCursor_FunctionTemplate:
4772 return cxstring::createRef("FunctionTemplate");
4773 case CXCursor_ClassTemplate:
4774 return cxstring::createRef("ClassTemplate");
4775 case CXCursor_ClassTemplatePartialSpecialization:
4776 return cxstring::createRef("ClassTemplatePartialSpecialization");
4777 case CXCursor_NamespaceAlias:
4778 return cxstring::createRef("NamespaceAlias");
4779 case CXCursor_UsingDirective:
4780 return cxstring::createRef("UsingDirective");
4781 case CXCursor_UsingDeclaration:
4782 return cxstring::createRef("UsingDeclaration");
4783 case CXCursor_TypeAliasDecl:
4784 return cxstring::createRef("TypeAliasDecl");
4785 case CXCursor_ObjCSynthesizeDecl:
4786 return cxstring::createRef("ObjCSynthesizeDecl");
4787 case CXCursor_ObjCDynamicDecl:
4788 return cxstring::createRef("ObjCDynamicDecl");
4789 case CXCursor_CXXAccessSpecifier:
4790 return cxstring::createRef("CXXAccessSpecifier");
4791 case CXCursor_ModuleImportDecl:
4792 return cxstring::createRef("ModuleImport");
4793 case CXCursor_OMPParallelDirective:
4794 return cxstring::createRef("OMPParallelDirective");
4795 case CXCursor_OMPSimdDirective:
4796 return cxstring::createRef("OMPSimdDirective");
4797 case CXCursor_OMPForDirective:
4798 return cxstring::createRef("OMPForDirective");
4799 case CXCursor_OMPForSimdDirective:
4800 return cxstring::createRef("OMPForSimdDirective");
4801 case CXCursor_OMPSectionsDirective:
4802 return cxstring::createRef("OMPSectionsDirective");
4803 case CXCursor_OMPSectionDirective:
4804 return cxstring::createRef("OMPSectionDirective");
4805 case CXCursor_OMPSingleDirective:
4806 return cxstring::createRef("OMPSingleDirective");
4807 case CXCursor_OMPMasterDirective:
4808 return cxstring::createRef("OMPMasterDirective");
4809 case CXCursor_OMPCriticalDirective:
4810 return cxstring::createRef("OMPCriticalDirective");
4811 case CXCursor_OMPParallelForDirective:
4812 return cxstring::createRef("OMPParallelForDirective");
4813 case CXCursor_OMPParallelForSimdDirective:
4814 return cxstring::createRef("OMPParallelForSimdDirective");
4815 case CXCursor_OMPParallelSectionsDirective:
4816 return cxstring::createRef("OMPParallelSectionsDirective");
4817 case CXCursor_OMPTaskDirective:
4818 return cxstring::createRef("OMPTaskDirective");
4819 case CXCursor_OMPTaskyieldDirective:
4820 return cxstring::createRef("OMPTaskyieldDirective");
4821 case CXCursor_OMPBarrierDirective:
4822 return cxstring::createRef("OMPBarrierDirective");
4823 case CXCursor_OMPTaskwaitDirective:
4824 return cxstring::createRef("OMPTaskwaitDirective");
4825 case CXCursor_OMPTaskgroupDirective:
4826 return cxstring::createRef("OMPTaskgroupDirective");
4827 case CXCursor_OMPFlushDirective:
4828 return cxstring::createRef("OMPFlushDirective");
4829 case CXCursor_OMPOrderedDirective:
4830 return cxstring::createRef("OMPOrderedDirective");
4831 case CXCursor_OMPAtomicDirective:
4832 return cxstring::createRef("OMPAtomicDirective");
4833 case CXCursor_OMPTargetDirective:
4834 return cxstring::createRef("OMPTargetDirective");
4835 case CXCursor_OMPTargetDataDirective:
4836 return cxstring::createRef("OMPTargetDataDirective");
4837 case CXCursor_OMPTargetEnterDataDirective:
4838 return cxstring::createRef("OMPTargetEnterDataDirective");
4839 case CXCursor_OMPTargetExitDataDirective:
4840 return cxstring::createRef("OMPTargetExitDataDirective");
4841 case CXCursor_OMPTargetParallelDirective:
4842 return cxstring::createRef("OMPTargetParallelDirective");
4843 case CXCursor_OMPTargetParallelForDirective:
4844 return cxstring::createRef("OMPTargetParallelForDirective");
4845 case CXCursor_OMPTargetUpdateDirective:
4846 return cxstring::createRef("OMPTargetUpdateDirective");
4847 case CXCursor_OMPTeamsDirective:
4848 return cxstring::createRef("OMPTeamsDirective");
4849 case CXCursor_OMPCancellationPointDirective:
4850 return cxstring::createRef("OMPCancellationPointDirective");
4851 case CXCursor_OMPCancelDirective:
4852 return cxstring::createRef("OMPCancelDirective");
4853 case CXCursor_OMPTaskLoopDirective:
4854 return cxstring::createRef("OMPTaskLoopDirective");
4855 case CXCursor_OMPTaskLoopSimdDirective:
4856 return cxstring::createRef("OMPTaskLoopSimdDirective");
4857 case CXCursor_OMPDistributeDirective:
4858 return cxstring::createRef("OMPDistributeDirective");
4859 case CXCursor_OMPDistributeParallelForDirective:
4860 return cxstring::createRef("OMPDistributeParallelForDirective");
4861 case CXCursor_OMPDistributeParallelForSimdDirective:
4862 return cxstring::createRef("OMPDistributeParallelForSimdDirective");
4863 case CXCursor_OMPDistributeSimdDirective:
4864 return cxstring::createRef("OMPDistributeSimdDirective");
4865 case CXCursor_OverloadCandidate:
4866 return cxstring::createRef("OverloadCandidate");
4867 case CXCursor_TypeAliasTemplateDecl:
4868 return cxstring::createRef("TypeAliasTemplateDecl");
4869 case CXCursor_StaticAssert:
4870 return cxstring::createRef("StaticAssert");
4873 llvm_unreachable("Unhandled CXCursorKind");
4876 struct GetCursorData {
4877 SourceLocation TokenBeginLoc;
4878 bool PointsAtMacroArgExpansion;
4879 bool VisitedObjCPropertyImplDecl;
4880 SourceLocation VisitedDeclaratorDeclStartLoc;
4881 CXCursor &BestCursor;
4883 GetCursorData(SourceManager &SM,
4884 SourceLocation tokenBegin, CXCursor &outputCursor)
4885 : TokenBeginLoc(tokenBegin), BestCursor(outputCursor) {
4886 PointsAtMacroArgExpansion = SM.isMacroArgExpansion(tokenBegin);
4887 VisitedObjCPropertyImplDecl = false;
4891 static enum CXChildVisitResult GetCursorVisitor(CXCursor cursor,
4893 CXClientData client_data) {
4894 GetCursorData *Data = static_cast<GetCursorData *>(client_data);
4895 CXCursor *BestCursor = &Data->BestCursor;
4897 // If we point inside a macro argument we should provide info of what the
4898 // token is so use the actual cursor, don't replace it with a macro expansion
4900 if (cursor.kind == CXCursor_MacroExpansion && Data->PointsAtMacroArgExpansion)
4901 return CXChildVisit_Recurse;
4903 if (clang_isDeclaration(cursor.kind)) {
4904 // Avoid having the implicit methods override the property decls.
4905 if (const ObjCMethodDecl *MD
4906 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
4907 if (MD->isImplicit())
4908 return CXChildVisit_Break;
4910 } else if (const ObjCInterfaceDecl *ID
4911 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(cursor))) {
4912 // Check that when we have multiple @class references in the same line,
4913 // that later ones do not override the previous ones.
4916 // source ranges for both start at '@', so 'Bar' will end up overriding
4917 // 'Foo' even though the cursor location was at 'Foo'.
4918 if (BestCursor->kind == CXCursor_ObjCInterfaceDecl ||
4919 BestCursor->kind == CXCursor_ObjCClassRef)
4920 if (const ObjCInterfaceDecl *PrevID
4921 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(*BestCursor))){
4923 !PrevID->isThisDeclarationADefinition() &&
4924 !ID->isThisDeclarationADefinition())
4925 return CXChildVisit_Break;
4928 } else if (const DeclaratorDecl *DD
4929 = dyn_cast_or_null<DeclaratorDecl>(getCursorDecl(cursor))) {
4930 SourceLocation StartLoc = DD->getSourceRange().getBegin();
4931 // Check that when we have multiple declarators in the same line,
4932 // that later ones do not override the previous ones.
4935 // source ranges for both start at 'int', so 'Bar' will end up overriding
4936 // 'Foo' even though the cursor location was at 'Foo'.
4937 if (Data->VisitedDeclaratorDeclStartLoc == StartLoc)
4938 return CXChildVisit_Break;
4939 Data->VisitedDeclaratorDeclStartLoc = StartLoc;
4941 } else if (const ObjCPropertyImplDecl *PropImp
4942 = dyn_cast_or_null<ObjCPropertyImplDecl>(getCursorDecl(cursor))) {
4944 // Check that when we have multiple @synthesize in the same line,
4945 // that later ones do not override the previous ones.
4947 // @synthesize Foo, Bar;
4948 // source ranges for both start at '@', so 'Bar' will end up overriding
4949 // 'Foo' even though the cursor location was at 'Foo'.
4950 if (Data->VisitedObjCPropertyImplDecl)
4951 return CXChildVisit_Break;
4952 Data->VisitedObjCPropertyImplDecl = true;
4956 if (clang_isExpression(cursor.kind) &&
4957 clang_isDeclaration(BestCursor->kind)) {
4958 if (const Decl *D = getCursorDecl(*BestCursor)) {
4959 // Avoid having the cursor of an expression replace the declaration cursor
4960 // when the expression source range overlaps the declaration range.
4961 // This can happen for C++ constructor expressions whose range generally
4962 // include the variable declaration, e.g.:
4963 // MyCXXClass foo; // Make sure pointing at 'foo' returns a VarDecl cursor.
4964 if (D->getLocation().isValid() && Data->TokenBeginLoc.isValid() &&
4965 D->getLocation() == Data->TokenBeginLoc)
4966 return CXChildVisit_Break;
4970 // If our current best cursor is the construction of a temporary object,
4971 // don't replace that cursor with a type reference, because we want
4972 // clang_getCursor() to point at the constructor.
4973 if (clang_isExpression(BestCursor->kind) &&
4974 isa<CXXTemporaryObjectExpr>(getCursorExpr(*BestCursor)) &&
4975 cursor.kind == CXCursor_TypeRef) {
4976 // Keep the cursor pointing at CXXTemporaryObjectExpr but also mark it
4977 // as having the actual point on the type reference.
4978 *BestCursor = getTypeRefedCallExprCursor(*BestCursor);
4979 return CXChildVisit_Recurse;
4982 // If we already have an Objective-C superclass reference, don't
4983 // update it further.
4984 if (BestCursor->kind == CXCursor_ObjCSuperClassRef)
4985 return CXChildVisit_Break;
4987 *BestCursor = cursor;
4988 return CXChildVisit_Recurse;
4991 CXCursor clang_getCursor(CXTranslationUnit TU, CXSourceLocation Loc) {
4992 if (isNotUsableTU(TU)) {
4994 return clang_getNullCursor();
4997 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4998 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
5000 SourceLocation SLoc = cxloc::translateSourceLocation(Loc);
5001 CXCursor Result = cxcursor::getCursor(TU, SLoc);
5005 unsigned SearchLine, SearchColumn;
5007 unsigned ResultLine, ResultColumn;
5008 CXString SearchFileName, ResultFileName, KindSpelling, USR;
5009 const char *IsDef = clang_isCursorDefinition(Result)? " (Definition)" : "";
5010 CXSourceLocation ResultLoc = clang_getCursorLocation(Result);
5012 clang_getFileLocation(Loc, &SearchFile, &SearchLine, &SearchColumn,
5014 clang_getFileLocation(ResultLoc, &ResultFile, &ResultLine,
5015 &ResultColumn, nullptr);
5016 SearchFileName = clang_getFileName(SearchFile);
5017 ResultFileName = clang_getFileName(ResultFile);
5018 KindSpelling = clang_getCursorKindSpelling(Result.kind);
5019 USR = clang_getCursorUSR(Result);
5020 *Log << llvm::format("(%s:%d:%d) = %s",
5021 clang_getCString(SearchFileName), SearchLine, SearchColumn,
5022 clang_getCString(KindSpelling))
5023 << llvm::format("(%s:%d:%d):%s%s",
5024 clang_getCString(ResultFileName), ResultLine, ResultColumn,
5025 clang_getCString(USR), IsDef);
5026 clang_disposeString(SearchFileName);
5027 clang_disposeString(ResultFileName);
5028 clang_disposeString(KindSpelling);
5029 clang_disposeString(USR);
5031 CXCursor Definition = clang_getCursorDefinition(Result);
5032 if (!clang_equalCursors(Definition, clang_getNullCursor())) {
5033 CXSourceLocation DefinitionLoc = clang_getCursorLocation(Definition);
5034 CXString DefinitionKindSpelling
5035 = clang_getCursorKindSpelling(Definition.kind);
5036 CXFile DefinitionFile;
5037 unsigned DefinitionLine, DefinitionColumn;
5038 clang_getFileLocation(DefinitionLoc, &DefinitionFile,
5039 &DefinitionLine, &DefinitionColumn, nullptr);
5040 CXString DefinitionFileName = clang_getFileName(DefinitionFile);
5041 *Log << llvm::format(" -> %s(%s:%d:%d)",
5042 clang_getCString(DefinitionKindSpelling),
5043 clang_getCString(DefinitionFileName),
5044 DefinitionLine, DefinitionColumn);
5045 clang_disposeString(DefinitionFileName);
5046 clang_disposeString(DefinitionKindSpelling);
5053 CXCursor clang_getNullCursor(void) {
5054 return MakeCXCursorInvalid(CXCursor_InvalidFile);
5057 unsigned clang_equalCursors(CXCursor X, CXCursor Y) {
5058 // Clear out the "FirstInDeclGroup" part in a declaration cursor, since we
5059 // can't set consistently. For example, when visiting a DeclStmt we will set
5060 // it but we don't set it on the result of clang_getCursorDefinition for
5061 // a reference of the same declaration.
5062 // FIXME: Setting "FirstInDeclGroup" in CXCursors is a hack that only works
5063 // when visiting a DeclStmt currently, the AST should be enhanced to be able
5064 // to provide that kind of info.
5065 if (clang_isDeclaration(X.kind))
5066 X.data[1] = nullptr;
5067 if (clang_isDeclaration(Y.kind))
5068 Y.data[1] = nullptr;
5073 unsigned clang_hashCursor(CXCursor C) {
5075 if (clang_isExpression(C.kind) || clang_isStatement(C.kind))
5078 return llvm::DenseMapInfo<std::pair<unsigned, const void*> >::getHashValue(
5079 std::make_pair(C.kind, C.data[Index]));
5082 unsigned clang_isInvalid(enum CXCursorKind K) {
5083 return K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid;
5086 unsigned clang_isDeclaration(enum CXCursorKind K) {
5087 return (K >= CXCursor_FirstDecl && K <= CXCursor_LastDecl) ||
5088 (K >= CXCursor_FirstExtraDecl && K <= CXCursor_LastExtraDecl);
5091 unsigned clang_isReference(enum CXCursorKind K) {
5092 return K >= CXCursor_FirstRef && K <= CXCursor_LastRef;
5095 unsigned clang_isExpression(enum CXCursorKind K) {
5096 return K >= CXCursor_FirstExpr && K <= CXCursor_LastExpr;
5099 unsigned clang_isStatement(enum CXCursorKind K) {
5100 return K >= CXCursor_FirstStmt && K <= CXCursor_LastStmt;
5103 unsigned clang_isAttribute(enum CXCursorKind K) {
5104 return K >= CXCursor_FirstAttr && K <= CXCursor_LastAttr;
5107 unsigned clang_isTranslationUnit(enum CXCursorKind K) {
5108 return K == CXCursor_TranslationUnit;
5111 unsigned clang_isPreprocessing(enum CXCursorKind K) {
5112 return K >= CXCursor_FirstPreprocessing && K <= CXCursor_LastPreprocessing;
5115 unsigned clang_isUnexposed(enum CXCursorKind K) {
5117 case CXCursor_UnexposedDecl:
5118 case CXCursor_UnexposedExpr:
5119 case CXCursor_UnexposedStmt:
5120 case CXCursor_UnexposedAttr:
5127 CXCursorKind clang_getCursorKind(CXCursor C) {
5131 CXSourceLocation clang_getCursorLocation(CXCursor C) {
5132 if (clang_isReference(C.kind)) {
5134 case CXCursor_ObjCSuperClassRef: {
5135 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
5136 = getCursorObjCSuperClassRef(C);
5137 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5140 case CXCursor_ObjCProtocolRef: {
5141 std::pair<const ObjCProtocolDecl *, SourceLocation> P
5142 = getCursorObjCProtocolRef(C);
5143 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5146 case CXCursor_ObjCClassRef: {
5147 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
5148 = getCursorObjCClassRef(C);
5149 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5152 case CXCursor_TypeRef: {
5153 std::pair<const TypeDecl *, SourceLocation> P = getCursorTypeRef(C);
5154 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5157 case CXCursor_TemplateRef: {
5158 std::pair<const TemplateDecl *, SourceLocation> P =
5159 getCursorTemplateRef(C);
5160 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5163 case CXCursor_NamespaceRef: {
5164 std::pair<const NamedDecl *, SourceLocation> P = getCursorNamespaceRef(C);
5165 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5168 case CXCursor_MemberRef: {
5169 std::pair<const FieldDecl *, SourceLocation> P = getCursorMemberRef(C);
5170 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5173 case CXCursor_VariableRef: {
5174 std::pair<const VarDecl *, SourceLocation> P = getCursorVariableRef(C);
5175 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5178 case CXCursor_CXXBaseSpecifier: {
5179 const CXXBaseSpecifier *BaseSpec = getCursorCXXBaseSpecifier(C);
5181 return clang_getNullLocation();
5183 if (TypeSourceInfo *TSInfo = BaseSpec->getTypeSourceInfo())
5184 return cxloc::translateSourceLocation(getCursorContext(C),
5185 TSInfo->getTypeLoc().getBeginLoc());
5187 return cxloc::translateSourceLocation(getCursorContext(C),
5188 BaseSpec->getLocStart());
5191 case CXCursor_LabelRef: {
5192 std::pair<const LabelStmt *, SourceLocation> P = getCursorLabelRef(C);
5193 return cxloc::translateSourceLocation(getCursorContext(C), P.second);
5196 case CXCursor_OverloadedDeclRef:
5197 return cxloc::translateSourceLocation(getCursorContext(C),
5198 getCursorOverloadedDeclRef(C).second);
5201 // FIXME: Need a way to enumerate all non-reference cases.
5202 llvm_unreachable("Missed a reference kind");
5206 if (clang_isExpression(C.kind))
5207 return cxloc::translateSourceLocation(getCursorContext(C),
5208 getLocationFromExpr(getCursorExpr(C)));
5210 if (clang_isStatement(C.kind))
5211 return cxloc::translateSourceLocation(getCursorContext(C),
5212 getCursorStmt(C)->getLocStart());
5214 if (C.kind == CXCursor_PreprocessingDirective) {
5215 SourceLocation L = cxcursor::getCursorPreprocessingDirective(C).getBegin();
5216 return cxloc::translateSourceLocation(getCursorContext(C), L);
5219 if (C.kind == CXCursor_MacroExpansion) {
5221 = cxcursor::getCursorMacroExpansion(C).getSourceRange().getBegin();
5222 return cxloc::translateSourceLocation(getCursorContext(C), L);
5225 if (C.kind == CXCursor_MacroDefinition) {
5226 SourceLocation L = cxcursor::getCursorMacroDefinition(C)->getLocation();
5227 return cxloc::translateSourceLocation(getCursorContext(C), L);
5230 if (C.kind == CXCursor_InclusionDirective) {
5232 = cxcursor::getCursorInclusionDirective(C)->getSourceRange().getBegin();
5233 return cxloc::translateSourceLocation(getCursorContext(C), L);
5236 if (clang_isAttribute(C.kind)) {
5238 = cxcursor::getCursorAttr(C)->getLocation();
5239 return cxloc::translateSourceLocation(getCursorContext(C), L);
5242 if (!clang_isDeclaration(C.kind))
5243 return clang_getNullLocation();
5245 const Decl *D = getCursorDecl(C);
5247 return clang_getNullLocation();
5249 SourceLocation Loc = D->getLocation();
5250 // FIXME: Multiple variables declared in a single declaration
5251 // currently lack the information needed to correctly determine their
5252 // ranges when accounting for the type-specifier. We use context
5253 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5254 // and if so, whether it is the first decl.
5255 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5256 if (!cxcursor::isFirstInDeclGroup(C))
5257 Loc = VD->getLocation();
5260 // For ObjC methods, give the start location of the method name.
5261 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
5262 Loc = MD->getSelectorStartLoc();
5264 return cxloc::translateSourceLocation(getCursorContext(C), Loc);
5269 CXCursor cxcursor::getCursor(CXTranslationUnit TU, SourceLocation SLoc) {
5272 // Guard against an invalid SourceLocation, or we may assert in one
5273 // of the following calls.
5274 if (SLoc.isInvalid())
5275 return clang_getNullCursor();
5277 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5279 // Translate the given source location to make it point at the beginning of
5280 // the token under the cursor.
5281 SLoc = Lexer::GetBeginningOfToken(SLoc, CXXUnit->getSourceManager(),
5282 CXXUnit->getASTContext().getLangOpts());
5284 CXCursor Result = MakeCXCursorInvalid(CXCursor_NoDeclFound);
5285 if (SLoc.isValid()) {
5286 GetCursorData ResultData(CXXUnit->getSourceManager(), SLoc, Result);
5287 CursorVisitor CursorVis(TU, GetCursorVisitor, &ResultData,
5288 /*VisitPreprocessorLast=*/true,
5289 /*VisitIncludedEntities=*/false,
5290 SourceLocation(SLoc));
5291 CursorVis.visitFileRegion();
5297 static SourceRange getRawCursorExtent(CXCursor C) {
5298 if (clang_isReference(C.kind)) {
5300 case CXCursor_ObjCSuperClassRef:
5301 return getCursorObjCSuperClassRef(C).second;
5303 case CXCursor_ObjCProtocolRef:
5304 return getCursorObjCProtocolRef(C).second;
5306 case CXCursor_ObjCClassRef:
5307 return getCursorObjCClassRef(C).second;
5309 case CXCursor_TypeRef:
5310 return getCursorTypeRef(C).second;
5312 case CXCursor_TemplateRef:
5313 return getCursorTemplateRef(C).second;
5315 case CXCursor_NamespaceRef:
5316 return getCursorNamespaceRef(C).second;
5318 case CXCursor_MemberRef:
5319 return getCursorMemberRef(C).second;
5321 case CXCursor_CXXBaseSpecifier:
5322 return getCursorCXXBaseSpecifier(C)->getSourceRange();
5324 case CXCursor_LabelRef:
5325 return getCursorLabelRef(C).second;
5327 case CXCursor_OverloadedDeclRef:
5328 return getCursorOverloadedDeclRef(C).second;
5330 case CXCursor_VariableRef:
5331 return getCursorVariableRef(C).second;
5334 // FIXME: Need a way to enumerate all non-reference cases.
5335 llvm_unreachable("Missed a reference kind");
5339 if (clang_isExpression(C.kind))
5340 return getCursorExpr(C)->getSourceRange();
5342 if (clang_isStatement(C.kind))
5343 return getCursorStmt(C)->getSourceRange();
5345 if (clang_isAttribute(C.kind))
5346 return getCursorAttr(C)->getRange();
5348 if (C.kind == CXCursor_PreprocessingDirective)
5349 return cxcursor::getCursorPreprocessingDirective(C);
5351 if (C.kind == CXCursor_MacroExpansion) {
5352 ASTUnit *TU = getCursorASTUnit(C);
5353 SourceRange Range = cxcursor::getCursorMacroExpansion(C).getSourceRange();
5354 return TU->mapRangeFromPreamble(Range);
5357 if (C.kind == CXCursor_MacroDefinition) {
5358 ASTUnit *TU = getCursorASTUnit(C);
5359 SourceRange Range = cxcursor::getCursorMacroDefinition(C)->getSourceRange();
5360 return TU->mapRangeFromPreamble(Range);
5363 if (C.kind == CXCursor_InclusionDirective) {
5364 ASTUnit *TU = getCursorASTUnit(C);
5365 SourceRange Range = cxcursor::getCursorInclusionDirective(C)->getSourceRange();
5366 return TU->mapRangeFromPreamble(Range);
5369 if (C.kind == CXCursor_TranslationUnit) {
5370 ASTUnit *TU = getCursorASTUnit(C);
5371 FileID MainID = TU->getSourceManager().getMainFileID();
5372 SourceLocation Start = TU->getSourceManager().getLocForStartOfFile(MainID);
5373 SourceLocation End = TU->getSourceManager().getLocForEndOfFile(MainID);
5374 return SourceRange(Start, End);
5377 if (clang_isDeclaration(C.kind)) {
5378 const Decl *D = cxcursor::getCursorDecl(C);
5380 return SourceRange();
5382 SourceRange R = D->getSourceRange();
5383 // FIXME: Multiple variables declared in a single declaration
5384 // currently lack the information needed to correctly determine their
5385 // ranges when accounting for the type-specifier. We use context
5386 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5387 // and if so, whether it is the first decl.
5388 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5389 if (!cxcursor::isFirstInDeclGroup(C))
5390 R.setBegin(VD->getLocation());
5394 return SourceRange();
5397 /// \brief Retrieves the "raw" cursor extent, which is then extended to include
5398 /// the decl-specifier-seq for declarations.
5399 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr) {
5400 if (clang_isDeclaration(C.kind)) {
5401 const Decl *D = cxcursor::getCursorDecl(C);
5403 return SourceRange();
5405 SourceRange R = D->getSourceRange();
5407 // Adjust the start of the location for declarations preceded by
5408 // declaration specifiers.
5409 SourceLocation StartLoc;
5410 if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
5411 if (TypeSourceInfo *TI = DD->getTypeSourceInfo())
5412 StartLoc = TI->getTypeLoc().getLocStart();
5413 } else if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(D)) {
5414 if (TypeSourceInfo *TI = Typedef->getTypeSourceInfo())
5415 StartLoc = TI->getTypeLoc().getLocStart();
5418 if (StartLoc.isValid() && R.getBegin().isValid() &&
5419 SrcMgr.isBeforeInTranslationUnit(StartLoc, R.getBegin()))
5420 R.setBegin(StartLoc);
5422 // FIXME: Multiple variables declared in a single declaration
5423 // currently lack the information needed to correctly determine their
5424 // ranges when accounting for the type-specifier. We use context
5425 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5426 // and if so, whether it is the first decl.
5427 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5428 if (!cxcursor::isFirstInDeclGroup(C))
5429 R.setBegin(VD->getLocation());
5435 return getRawCursorExtent(C);
5440 CXSourceRange clang_getCursorExtent(CXCursor C) {
5441 SourceRange R = getRawCursorExtent(C);
5443 return clang_getNullRange();
5445 return cxloc::translateSourceRange(getCursorContext(C), R);
5448 CXCursor clang_getCursorReferenced(CXCursor C) {
5449 if (clang_isInvalid(C.kind))
5450 return clang_getNullCursor();
5452 CXTranslationUnit tu = getCursorTU(C);
5453 if (clang_isDeclaration(C.kind)) {
5454 const Decl *D = getCursorDecl(C);
5456 return clang_getNullCursor();
5457 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5458 return MakeCursorOverloadedDeclRef(Using, D->getLocation(), tu);
5459 if (const ObjCPropertyImplDecl *PropImpl =
5460 dyn_cast<ObjCPropertyImplDecl>(D))
5461 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
5462 return MakeCXCursor(Property, tu);
5467 if (clang_isExpression(C.kind)) {
5468 const Expr *E = getCursorExpr(C);
5469 const Decl *D = getDeclFromExpr(E);
5471 CXCursor declCursor = MakeCXCursor(D, tu);
5472 declCursor = getSelectorIdentifierCursor(getSelectorIdentifierIndex(C),
5477 if (const OverloadExpr *Ovl = dyn_cast_or_null<OverloadExpr>(E))
5478 return MakeCursorOverloadedDeclRef(Ovl, tu);
5480 return clang_getNullCursor();
5483 if (clang_isStatement(C.kind)) {
5484 const Stmt *S = getCursorStmt(C);
5485 if (const GotoStmt *Goto = dyn_cast_or_null<GotoStmt>(S))
5486 if (LabelDecl *label = Goto->getLabel())
5487 if (LabelStmt *labelS = label->getStmt())
5488 return MakeCXCursor(labelS, getCursorDecl(C), tu);
5490 return clang_getNullCursor();
5493 if (C.kind == CXCursor_MacroExpansion) {
5494 if (const MacroDefinitionRecord *Def =
5495 getCursorMacroExpansion(C).getDefinition())
5496 return MakeMacroDefinitionCursor(Def, tu);
5499 if (!clang_isReference(C.kind))
5500 return clang_getNullCursor();
5503 case CXCursor_ObjCSuperClassRef:
5504 return MakeCXCursor(getCursorObjCSuperClassRef(C).first, tu);
5506 case CXCursor_ObjCProtocolRef: {
5507 const ObjCProtocolDecl *Prot = getCursorObjCProtocolRef(C).first;
5508 if (const ObjCProtocolDecl *Def = Prot->getDefinition())
5509 return MakeCXCursor(Def, tu);
5511 return MakeCXCursor(Prot, tu);
5514 case CXCursor_ObjCClassRef: {
5515 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
5516 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5517 return MakeCXCursor(Def, tu);
5519 return MakeCXCursor(Class, tu);
5522 case CXCursor_TypeRef:
5523 return MakeCXCursor(getCursorTypeRef(C).first, tu );
5525 case CXCursor_TemplateRef:
5526 return MakeCXCursor(getCursorTemplateRef(C).first, tu );
5528 case CXCursor_NamespaceRef:
5529 return MakeCXCursor(getCursorNamespaceRef(C).first, tu );
5531 case CXCursor_MemberRef:
5532 return MakeCXCursor(getCursorMemberRef(C).first, tu );
5534 case CXCursor_CXXBaseSpecifier: {
5535 const CXXBaseSpecifier *B = cxcursor::getCursorCXXBaseSpecifier(C);
5536 return clang_getTypeDeclaration(cxtype::MakeCXType(B->getType(),
5540 case CXCursor_LabelRef:
5541 // FIXME: We end up faking the "parent" declaration here because we
5542 // don't want to make CXCursor larger.
5543 return MakeCXCursor(getCursorLabelRef(C).first,
5544 cxtu::getASTUnit(tu)->getASTContext()
5545 .getTranslationUnitDecl(),
5548 case CXCursor_OverloadedDeclRef:
5551 case CXCursor_VariableRef:
5552 return MakeCXCursor(getCursorVariableRef(C).first, tu);
5555 // We would prefer to enumerate all non-reference cursor kinds here.
5556 llvm_unreachable("Unhandled reference cursor kind");
5560 CXCursor clang_getCursorDefinition(CXCursor C) {
5561 if (clang_isInvalid(C.kind))
5562 return clang_getNullCursor();
5564 CXTranslationUnit TU = getCursorTU(C);
5566 bool WasReference = false;
5567 if (clang_isReference(C.kind) || clang_isExpression(C.kind)) {
5568 C = clang_getCursorReferenced(C);
5569 WasReference = true;
5572 if (C.kind == CXCursor_MacroExpansion)
5573 return clang_getCursorReferenced(C);
5575 if (!clang_isDeclaration(C.kind))
5576 return clang_getNullCursor();
5578 const Decl *D = getCursorDecl(C);
5580 return clang_getNullCursor();
5582 switch (D->getKind()) {
5583 // Declaration kinds that don't really separate the notions of
5584 // declaration and definition.
5585 case Decl::Namespace:
5587 case Decl::TypeAlias:
5588 case Decl::TypeAliasTemplate:
5589 case Decl::TemplateTypeParm:
5590 case Decl::EnumConstant:
5592 case Decl::MSProperty:
5593 case Decl::IndirectField:
5594 case Decl::ObjCIvar:
5595 case Decl::ObjCAtDefsField:
5596 case Decl::ImplicitParam:
5598 case Decl::NonTypeTemplateParm:
5599 case Decl::TemplateTemplateParm:
5600 case Decl::ObjCCategoryImpl:
5601 case Decl::ObjCImplementation:
5602 case Decl::AccessSpec:
5603 case Decl::LinkageSpec:
5604 case Decl::ObjCPropertyImpl:
5605 case Decl::FileScopeAsm:
5606 case Decl::StaticAssert:
5608 case Decl::Captured:
5609 case Decl::OMPCapturedExpr:
5610 case Decl::Label: // FIXME: Is this right??
5611 case Decl::ClassScopeFunctionSpecialization:
5613 case Decl::OMPThreadPrivate:
5614 case Decl::OMPDeclareReduction:
5615 case Decl::ObjCTypeParam:
5616 case Decl::BuiltinTemplate:
5617 case Decl::PragmaComment:
5618 case Decl::PragmaDetectMismatch:
5621 // Declaration kinds that don't make any sense here, but are
5622 // nonetheless harmless.
5624 case Decl::TranslationUnit:
5625 case Decl::ExternCContext:
5628 // Declaration kinds for which the definition is not resolvable.
5629 case Decl::UnresolvedUsingTypename:
5630 case Decl::UnresolvedUsingValue:
5633 case Decl::UsingDirective:
5634 return MakeCXCursor(cast<UsingDirectiveDecl>(D)->getNominatedNamespace(),
5637 case Decl::NamespaceAlias:
5638 return MakeCXCursor(cast<NamespaceAliasDecl>(D)->getNamespace(), TU);
5642 case Decl::CXXRecord:
5643 case Decl::ClassTemplateSpecialization:
5644 case Decl::ClassTemplatePartialSpecialization:
5645 if (TagDecl *Def = cast<TagDecl>(D)->getDefinition())
5646 return MakeCXCursor(Def, TU);
5647 return clang_getNullCursor();
5649 case Decl::Function:
5650 case Decl::CXXMethod:
5651 case Decl::CXXConstructor:
5652 case Decl::CXXDestructor:
5653 case Decl::CXXConversion: {
5654 const FunctionDecl *Def = nullptr;
5655 if (cast<FunctionDecl>(D)->getBody(Def))
5656 return MakeCXCursor(Def, TU);
5657 return clang_getNullCursor();
5661 case Decl::VarTemplateSpecialization:
5662 case Decl::VarTemplatePartialSpecialization: {
5663 // Ask the variable if it has a definition.
5664 if (const VarDecl *Def = cast<VarDecl>(D)->getDefinition())
5665 return MakeCXCursor(Def, TU);
5666 return clang_getNullCursor();
5669 case Decl::FunctionTemplate: {
5670 const FunctionDecl *Def = nullptr;
5671 if (cast<FunctionTemplateDecl>(D)->getTemplatedDecl()->getBody(Def))
5672 return MakeCXCursor(Def->getDescribedFunctionTemplate(), TU);
5673 return clang_getNullCursor();
5676 case Decl::ClassTemplate: {
5677 if (RecordDecl *Def = cast<ClassTemplateDecl>(D)->getTemplatedDecl()
5679 return MakeCXCursor(cast<CXXRecordDecl>(Def)->getDescribedClassTemplate(),
5681 return clang_getNullCursor();
5684 case Decl::VarTemplate: {
5686 cast<VarTemplateDecl>(D)->getTemplatedDecl()->getDefinition())
5687 return MakeCXCursor(cast<VarDecl>(Def)->getDescribedVarTemplate(), TU);
5688 return clang_getNullCursor();
5692 return MakeCursorOverloadedDeclRef(cast<UsingDecl>(D),
5693 D->getLocation(), TU);
5695 case Decl::UsingShadow:
5696 case Decl::ConstructorUsingShadow:
5697 return clang_getCursorDefinition(
5698 MakeCXCursor(cast<UsingShadowDecl>(D)->getTargetDecl(),
5701 case Decl::ObjCMethod: {
5702 const ObjCMethodDecl *Method = cast<ObjCMethodDecl>(D);
5703 if (Method->isThisDeclarationADefinition())
5706 // Dig out the method definition in the associated
5707 // @implementation, if we have it.
5708 // FIXME: The ASTs should make finding the definition easier.
5709 if (const ObjCInterfaceDecl *Class
5710 = dyn_cast<ObjCInterfaceDecl>(Method->getDeclContext()))
5711 if (ObjCImplementationDecl *ClassImpl = Class->getImplementation())
5712 if (ObjCMethodDecl *Def = ClassImpl->getMethod(Method->getSelector(),
5713 Method->isInstanceMethod()))
5714 if (Def->isThisDeclarationADefinition())
5715 return MakeCXCursor(Def, TU);
5717 return clang_getNullCursor();
5720 case Decl::ObjCCategory:
5721 if (ObjCCategoryImplDecl *Impl
5722 = cast<ObjCCategoryDecl>(D)->getImplementation())
5723 return MakeCXCursor(Impl, TU);
5724 return clang_getNullCursor();
5726 case Decl::ObjCProtocol:
5727 if (const ObjCProtocolDecl *Def = cast<ObjCProtocolDecl>(D)->getDefinition())
5728 return MakeCXCursor(Def, TU);
5729 return clang_getNullCursor();
5731 case Decl::ObjCInterface: {
5732 // There are two notions of a "definition" for an Objective-C
5733 // class: the interface and its implementation. When we resolved a
5734 // reference to an Objective-C class, produce the @interface as
5735 // the definition; when we were provided with the interface,
5736 // produce the @implementation as the definition.
5737 const ObjCInterfaceDecl *IFace = cast<ObjCInterfaceDecl>(D);
5739 if (const ObjCInterfaceDecl *Def = IFace->getDefinition())
5740 return MakeCXCursor(Def, TU);
5741 } else if (ObjCImplementationDecl *Impl = IFace->getImplementation())
5742 return MakeCXCursor(Impl, TU);
5743 return clang_getNullCursor();
5746 case Decl::ObjCProperty:
5747 // FIXME: We don't really know where to find the
5748 // ObjCPropertyImplDecls that implement this property.
5749 return clang_getNullCursor();
5751 case Decl::ObjCCompatibleAlias:
5752 if (const ObjCInterfaceDecl *Class
5753 = cast<ObjCCompatibleAliasDecl>(D)->getClassInterface())
5754 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5755 return MakeCXCursor(Def, TU);
5757 return clang_getNullCursor();
5760 if (NamedDecl *Friend = cast<FriendDecl>(D)->getFriendDecl())
5761 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5762 return clang_getNullCursor();
5764 case Decl::FriendTemplate:
5765 if (NamedDecl *Friend = cast<FriendTemplateDecl>(D)->getFriendDecl())
5766 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5767 return clang_getNullCursor();
5770 return clang_getNullCursor();
5773 unsigned clang_isCursorDefinition(CXCursor C) {
5774 if (!clang_isDeclaration(C.kind))
5777 return clang_getCursorDefinition(C) == C;
5780 CXCursor clang_getCanonicalCursor(CXCursor C) {
5781 if (!clang_isDeclaration(C.kind))
5784 if (const Decl *D = getCursorDecl(C)) {
5785 if (const ObjCCategoryImplDecl *CatImplD = dyn_cast<ObjCCategoryImplDecl>(D))
5786 if (ObjCCategoryDecl *CatD = CatImplD->getCategoryDecl())
5787 return MakeCXCursor(CatD, getCursorTU(C));
5789 if (const ObjCImplDecl *ImplD = dyn_cast<ObjCImplDecl>(D))
5790 if (const ObjCInterfaceDecl *IFD = ImplD->getClassInterface())
5791 return MakeCXCursor(IFD, getCursorTU(C));
5793 return MakeCXCursor(D->getCanonicalDecl(), getCursorTU(C));
5799 int clang_Cursor_getObjCSelectorIndex(CXCursor cursor) {
5800 return cxcursor::getSelectorIdentifierIndexAndLoc(cursor).first;
5803 unsigned clang_getNumOverloadedDecls(CXCursor C) {
5804 if (C.kind != CXCursor_OverloadedDeclRef)
5807 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
5808 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5809 return E->getNumDecls();
5811 if (OverloadedTemplateStorage *S
5812 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5815 const Decl *D = Storage.get<const Decl *>();
5816 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5817 return Using->shadow_size();
5822 CXCursor clang_getOverloadedDecl(CXCursor cursor, unsigned index) {
5823 if (cursor.kind != CXCursor_OverloadedDeclRef)
5824 return clang_getNullCursor();
5826 if (index >= clang_getNumOverloadedDecls(cursor))
5827 return clang_getNullCursor();
5829 CXTranslationUnit TU = getCursorTU(cursor);
5830 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(cursor).first;
5831 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5832 return MakeCXCursor(E->decls_begin()[index], TU);
5834 if (OverloadedTemplateStorage *S
5835 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5836 return MakeCXCursor(S->begin()[index], TU);
5838 const Decl *D = Storage.get<const Decl *>();
5839 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D)) {
5840 // FIXME: This is, unfortunately, linear time.
5841 UsingDecl::shadow_iterator Pos = Using->shadow_begin();
5842 std::advance(Pos, index);
5843 return MakeCXCursor(cast<UsingShadowDecl>(*Pos)->getTargetDecl(), TU);
5846 return clang_getNullCursor();
5849 void clang_getDefinitionSpellingAndExtent(CXCursor C,
5850 const char **startBuf,
5851 const char **endBuf,
5852 unsigned *startLine,
5853 unsigned *startColumn,
5855 unsigned *endColumn) {
5856 assert(getCursorDecl(C) && "CXCursor has null decl");
5857 const FunctionDecl *FD = dyn_cast<FunctionDecl>(getCursorDecl(C));
5858 CompoundStmt *Body = dyn_cast<CompoundStmt>(FD->getBody());
5860 SourceManager &SM = FD->getASTContext().getSourceManager();
5861 *startBuf = SM.getCharacterData(Body->getLBracLoc());
5862 *endBuf = SM.getCharacterData(Body->getRBracLoc());
5863 *startLine = SM.getSpellingLineNumber(Body->getLBracLoc());
5864 *startColumn = SM.getSpellingColumnNumber(Body->getLBracLoc());
5865 *endLine = SM.getSpellingLineNumber(Body->getRBracLoc());
5866 *endColumn = SM.getSpellingColumnNumber(Body->getRBracLoc());
5870 CXSourceRange clang_getCursorReferenceNameRange(CXCursor C, unsigned NameFlags,
5871 unsigned PieceIndex) {
5872 RefNamePieces Pieces;
5875 case CXCursor_MemberRefExpr:
5876 if (const MemberExpr *E = dyn_cast<MemberExpr>(getCursorExpr(C)))
5877 Pieces = buildPieces(NameFlags, true, E->getMemberNameInfo(),
5878 E->getQualifierLoc().getSourceRange());
5881 case CXCursor_DeclRefExpr:
5882 if (const DeclRefExpr *E = dyn_cast<DeclRefExpr>(getCursorExpr(C))) {
5883 SourceRange TemplateArgLoc(E->getLAngleLoc(), E->getRAngleLoc());
5885 buildPieces(NameFlags, false, E->getNameInfo(),
5886 E->getQualifierLoc().getSourceRange(), &TemplateArgLoc);
5890 case CXCursor_CallExpr:
5891 if (const CXXOperatorCallExpr *OCE =
5892 dyn_cast<CXXOperatorCallExpr>(getCursorExpr(C))) {
5893 const Expr *Callee = OCE->getCallee();
5894 if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Callee))
5895 Callee = ICE->getSubExpr();
5897 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Callee))
5898 Pieces = buildPieces(NameFlags, false, DRE->getNameInfo(),
5899 DRE->getQualifierLoc().getSourceRange());
5907 if (Pieces.empty()) {
5908 if (PieceIndex == 0)
5909 return clang_getCursorExtent(C);
5910 } else if (PieceIndex < Pieces.size()) {
5911 SourceRange R = Pieces[PieceIndex];
5913 return cxloc::translateSourceRange(getCursorContext(C), R);
5916 return clang_getNullRange();
5919 void clang_enableStackTraces(void) {
5920 // FIXME: Provide an argv0 here so we can find llvm-symbolizer.
5921 llvm::sys::PrintStackTraceOnErrorSignal(StringRef());
5924 void clang_executeOnThread(void (*fn)(void*), void *user_data,
5925 unsigned stack_size) {
5926 llvm::llvm_execute_on_thread(fn, user_data, stack_size);
5929 } // end: extern "C"
5931 //===----------------------------------------------------------------------===//
5932 // Token-based Operations.
5933 //===----------------------------------------------------------------------===//
5936 * int_data[0]: a CXTokenKind
5937 * int_data[1]: starting token location
5938 * int_data[2]: token length
5939 * int_data[3]: reserved
5940 * ptr_data: for identifiers and keywords, an IdentifierInfo*.
5945 CXTokenKind clang_getTokenKind(CXToken CXTok) {
5946 return static_cast<CXTokenKind>(CXTok.int_data[0]);
5949 CXString clang_getTokenSpelling(CXTranslationUnit TU, CXToken CXTok) {
5950 switch (clang_getTokenKind(CXTok)) {
5951 case CXToken_Identifier:
5952 case CXToken_Keyword:
5953 // We know we have an IdentifierInfo*, so use that.
5954 return cxstring::createRef(static_cast<IdentifierInfo *>(CXTok.ptr_data)
5957 case CXToken_Literal: {
5958 // We have stashed the starting pointer in the ptr_data field. Use it.
5959 const char *Text = static_cast<const char *>(CXTok.ptr_data);
5960 return cxstring::createDup(StringRef(Text, CXTok.int_data[2]));
5963 case CXToken_Punctuation:
5964 case CXToken_Comment:
5968 if (isNotUsableTU(TU)) {
5970 return cxstring::createEmpty();
5973 // We have to find the starting buffer pointer the hard way, by
5974 // deconstructing the source location.
5975 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5977 return cxstring::createEmpty();
5979 SourceLocation Loc = SourceLocation::getFromRawEncoding(CXTok.int_data[1]);
5980 std::pair<FileID, unsigned> LocInfo
5981 = CXXUnit->getSourceManager().getDecomposedSpellingLoc(Loc);
5982 bool Invalid = false;
5984 = CXXUnit->getSourceManager().getBufferData(LocInfo.first, &Invalid);
5986 return cxstring::createEmpty();
5988 return cxstring::createDup(Buffer.substr(LocInfo.second, CXTok.int_data[2]));
5991 CXSourceLocation clang_getTokenLocation(CXTranslationUnit TU, CXToken CXTok) {
5992 if (isNotUsableTU(TU)) {
5994 return clang_getNullLocation();
5997 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5999 return clang_getNullLocation();
6001 return cxloc::translateSourceLocation(CXXUnit->getASTContext(),
6002 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
6005 CXSourceRange clang_getTokenExtent(CXTranslationUnit TU, CXToken CXTok) {
6006 if (isNotUsableTU(TU)) {
6008 return clang_getNullRange();
6011 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6013 return clang_getNullRange();
6015 return cxloc::translateSourceRange(CXXUnit->getASTContext(),
6016 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
6019 static void getTokens(ASTUnit *CXXUnit, SourceRange Range,
6020 SmallVectorImpl<CXToken> &CXTokens) {
6021 SourceManager &SourceMgr = CXXUnit->getSourceManager();
6022 std::pair<FileID, unsigned> BeginLocInfo
6023 = SourceMgr.getDecomposedSpellingLoc(Range.getBegin());
6024 std::pair<FileID, unsigned> EndLocInfo
6025 = SourceMgr.getDecomposedSpellingLoc(Range.getEnd());
6027 // Cannot tokenize across files.
6028 if (BeginLocInfo.first != EndLocInfo.first)
6032 bool Invalid = false;
6034 = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
6038 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
6039 CXXUnit->getASTContext().getLangOpts(),
6040 Buffer.begin(), Buffer.data() + BeginLocInfo.second, Buffer.end());
6041 Lex.SetCommentRetentionState(true);
6043 // Lex tokens until we hit the end of the range.
6044 const char *EffectiveBufferEnd = Buffer.data() + EndLocInfo.second;
6046 bool previousWasAt = false;
6048 // Lex the next token
6049 Lex.LexFromRawLexer(Tok);
6050 if (Tok.is(tok::eof))
6053 // Initialize the CXToken.
6057 CXTok.int_data[1] = Tok.getLocation().getRawEncoding();
6058 CXTok.int_data[2] = Tok.getLength();
6059 CXTok.int_data[3] = 0;
6061 // - Kind-specific fields
6062 if (Tok.isLiteral()) {
6063 CXTok.int_data[0] = CXToken_Literal;
6064 CXTok.ptr_data = const_cast<char *>(Tok.getLiteralData());
6065 } else if (Tok.is(tok::raw_identifier)) {
6066 // Lookup the identifier to determine whether we have a keyword.
6068 = CXXUnit->getPreprocessor().LookUpIdentifierInfo(Tok);
6070 if ((II->getObjCKeywordID() != tok::objc_not_keyword) && previousWasAt) {
6071 CXTok.int_data[0] = CXToken_Keyword;
6074 CXTok.int_data[0] = Tok.is(tok::identifier)
6075 ? CXToken_Identifier
6078 CXTok.ptr_data = II;
6079 } else if (Tok.is(tok::comment)) {
6080 CXTok.int_data[0] = CXToken_Comment;
6081 CXTok.ptr_data = nullptr;
6083 CXTok.int_data[0] = CXToken_Punctuation;
6084 CXTok.ptr_data = nullptr;
6086 CXTokens.push_back(CXTok);
6087 previousWasAt = Tok.is(tok::at);
6088 } while (Lex.getBufferLocation() <= EffectiveBufferEnd);
6091 void clang_tokenize(CXTranslationUnit TU, CXSourceRange Range,
6092 CXToken **Tokens, unsigned *NumTokens) {
6094 *Log << TU << ' ' << Range;
6102 if (isNotUsableTU(TU)) {
6107 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6108 if (!CXXUnit || !Tokens || !NumTokens)
6111 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
6113 SourceRange R = cxloc::translateCXSourceRange(Range);
6117 SmallVector<CXToken, 32> CXTokens;
6118 getTokens(CXXUnit, R, CXTokens);
6120 if (CXTokens.empty())
6123 *Tokens = (CXToken *)malloc(sizeof(CXToken) * CXTokens.size());
6124 memmove(*Tokens, CXTokens.data(), sizeof(CXToken) * CXTokens.size());
6125 *NumTokens = CXTokens.size();
6128 void clang_disposeTokens(CXTranslationUnit TU,
6129 CXToken *Tokens, unsigned NumTokens) {
6133 } // end: extern "C"
6135 //===----------------------------------------------------------------------===//
6136 // Token annotation APIs.
6137 //===----------------------------------------------------------------------===//
6139 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
6141 CXClientData client_data);
6142 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
6143 CXClientData client_data);
6146 class AnnotateTokensWorker {
6151 unsigned PreprocessingTokIdx;
6152 CursorVisitor AnnotateVis;
6153 SourceManager &SrcMgr;
6154 bool HasContextSensitiveKeywords;
6156 struct PostChildrenInfo {
6158 SourceRange CursorRange;
6159 unsigned BeforeReachingCursorIdx;
6160 unsigned BeforeChildrenTokenIdx;
6162 SmallVector<PostChildrenInfo, 8> PostChildrenInfos;
6164 CXToken &getTok(unsigned Idx) {
6165 assert(Idx < NumTokens);
6168 const CXToken &getTok(unsigned Idx) const {
6169 assert(Idx < NumTokens);
6172 bool MoreTokens() const { return TokIdx < NumTokens; }
6173 unsigned NextToken() const { return TokIdx; }
6174 void AdvanceToken() { ++TokIdx; }
6175 SourceLocation GetTokenLoc(unsigned tokI) {
6176 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
6178 bool isFunctionMacroToken(unsigned tokI) const {
6179 return getTok(tokI).int_data[3] != 0;
6181 SourceLocation getFunctionMacroTokenLoc(unsigned tokI) const {
6182 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[3]);
6185 void annotateAndAdvanceTokens(CXCursor, RangeComparisonResult, SourceRange);
6186 bool annotateAndAdvanceFunctionMacroTokens(CXCursor, RangeComparisonResult,
6190 AnnotateTokensWorker(CXToken *tokens, CXCursor *cursors, unsigned numTokens,
6191 CXTranslationUnit TU, SourceRange RegionOfInterest)
6192 : Tokens(tokens), Cursors(cursors),
6193 NumTokens(numTokens), TokIdx(0), PreprocessingTokIdx(0),
6195 AnnotateTokensVisitor, this,
6196 /*VisitPreprocessorLast=*/true,
6197 /*VisitIncludedEntities=*/false,
6199 /*VisitDeclsOnly=*/false,
6200 AnnotateTokensPostChildrenVisitor),
6201 SrcMgr(cxtu::getASTUnit(TU)->getSourceManager()),
6202 HasContextSensitiveKeywords(false) { }
6204 void VisitChildren(CXCursor C) { AnnotateVis.VisitChildren(C); }
6205 enum CXChildVisitResult Visit(CXCursor cursor, CXCursor parent);
6206 bool postVisitChildren(CXCursor cursor);
6207 void AnnotateTokens();
6209 /// \brief Determine whether the annotator saw any cursors that have
6210 /// context-sensitive keywords.
6211 bool hasContextSensitiveKeywords() const {
6212 return HasContextSensitiveKeywords;
6215 ~AnnotateTokensWorker() {
6216 assert(PostChildrenInfos.empty());
6221 void AnnotateTokensWorker::AnnotateTokens() {
6222 // Walk the AST within the region of interest, annotating tokens
6224 AnnotateVis.visitFileRegion();
6227 static inline void updateCursorAnnotation(CXCursor &Cursor,
6228 const CXCursor &updateC) {
6229 if (clang_isInvalid(updateC.kind) || !clang_isInvalid(Cursor.kind))
6234 /// \brief It annotates and advances tokens with a cursor until the comparison
6235 //// between the cursor location and the source range is the same as
6236 /// \arg compResult.
6238 /// Pass RangeBefore to annotate tokens with a cursor until a range is reached.
6239 /// Pass RangeOverlap to annotate tokens inside a range.
6240 void AnnotateTokensWorker::annotateAndAdvanceTokens(CXCursor updateC,
6241 RangeComparisonResult compResult,
6242 SourceRange range) {
6243 while (MoreTokens()) {
6244 const unsigned I = NextToken();
6245 if (isFunctionMacroToken(I))
6246 if (!annotateAndAdvanceFunctionMacroTokens(updateC, compResult, range))
6249 SourceLocation TokLoc = GetTokenLoc(I);
6250 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
6251 updateCursorAnnotation(Cursors[I], updateC);
6259 /// \brief Special annotation handling for macro argument tokens.
6260 /// \returns true if it advanced beyond all macro tokens, false otherwise.
6261 bool AnnotateTokensWorker::annotateAndAdvanceFunctionMacroTokens(
6263 RangeComparisonResult compResult,
6264 SourceRange range) {
6265 assert(MoreTokens());
6266 assert(isFunctionMacroToken(NextToken()) &&
6267 "Should be called only for macro arg tokens");
6269 // This works differently than annotateAndAdvanceTokens; because expanded
6270 // macro arguments can have arbitrary translation-unit source order, we do not
6271 // advance the token index one by one until a token fails the range test.
6272 // We only advance once past all of the macro arg tokens if all of them
6273 // pass the range test. If one of them fails we keep the token index pointing
6274 // at the start of the macro arg tokens so that the failing token will be
6275 // annotated by a subsequent annotation try.
6277 bool atLeastOneCompFail = false;
6279 unsigned I = NextToken();
6280 for (; I < NumTokens && isFunctionMacroToken(I); ++I) {
6281 SourceLocation TokLoc = getFunctionMacroTokenLoc(I);
6282 if (TokLoc.isFileID())
6283 continue; // not macro arg token, it's parens or comma.
6284 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
6285 if (clang_isInvalid(clang_getCursorKind(Cursors[I])))
6286 Cursors[I] = updateC;
6288 atLeastOneCompFail = true;
6291 if (atLeastOneCompFail)
6294 TokIdx = I; // All of the tokens were handled, advance beyond all of them.
6298 enum CXChildVisitResult
6299 AnnotateTokensWorker::Visit(CXCursor cursor, CXCursor parent) {
6300 SourceRange cursorRange = getRawCursorExtent(cursor);
6301 if (cursorRange.isInvalid())
6302 return CXChildVisit_Recurse;
6304 if (!HasContextSensitiveKeywords) {
6305 // Objective-C properties can have context-sensitive keywords.
6306 if (cursor.kind == CXCursor_ObjCPropertyDecl) {
6307 if (const ObjCPropertyDecl *Property
6308 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(cursor)))
6309 HasContextSensitiveKeywords = Property->getPropertyAttributesAsWritten() != 0;
6311 // Objective-C methods can have context-sensitive keywords.
6312 else if (cursor.kind == CXCursor_ObjCInstanceMethodDecl ||
6313 cursor.kind == CXCursor_ObjCClassMethodDecl) {
6314 if (const ObjCMethodDecl *Method
6315 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
6316 if (Method->getObjCDeclQualifier())
6317 HasContextSensitiveKeywords = true;
6319 for (const auto *P : Method->parameters()) {
6320 if (P->getObjCDeclQualifier()) {
6321 HasContextSensitiveKeywords = true;
6328 // C++ methods can have context-sensitive keywords.
6329 else if (cursor.kind == CXCursor_CXXMethod) {
6330 if (const CXXMethodDecl *Method
6331 = dyn_cast_or_null<CXXMethodDecl>(getCursorDecl(cursor))) {
6332 if (Method->hasAttr<FinalAttr>() || Method->hasAttr<OverrideAttr>())
6333 HasContextSensitiveKeywords = true;
6336 // C++ classes can have context-sensitive keywords.
6337 else if (cursor.kind == CXCursor_StructDecl ||
6338 cursor.kind == CXCursor_ClassDecl ||
6339 cursor.kind == CXCursor_ClassTemplate ||
6340 cursor.kind == CXCursor_ClassTemplatePartialSpecialization) {
6341 if (const Decl *D = getCursorDecl(cursor))
6342 if (D->hasAttr<FinalAttr>())
6343 HasContextSensitiveKeywords = true;
6347 // Don't override a property annotation with its getter/setter method.
6348 if (cursor.kind == CXCursor_ObjCInstanceMethodDecl &&
6349 parent.kind == CXCursor_ObjCPropertyDecl)
6350 return CXChildVisit_Continue;
6352 if (clang_isPreprocessing(cursor.kind)) {
6353 // Items in the preprocessing record are kept separate from items in
6354 // declarations, so we keep a separate token index.
6355 unsigned SavedTokIdx = TokIdx;
6356 TokIdx = PreprocessingTokIdx;
6358 // Skip tokens up until we catch up to the beginning of the preprocessing
6360 while (MoreTokens()) {
6361 const unsigned I = NextToken();
6362 SourceLocation TokLoc = GetTokenLoc(I);
6363 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
6374 // Look at all of the tokens within this range.
6375 while (MoreTokens()) {
6376 const unsigned I = NextToken();
6377 SourceLocation TokLoc = GetTokenLoc(I);
6378 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
6380 llvm_unreachable("Infeasible");
6384 // For macro expansions, just note where the beginning of the macro
6385 // expansion occurs.
6386 if (cursor.kind == CXCursor_MacroExpansion) {
6387 if (TokLoc == cursorRange.getBegin())
6388 Cursors[I] = cursor;
6392 // We may have already annotated macro names inside macro definitions.
6393 if (Cursors[I].kind != CXCursor_MacroExpansion)
6394 Cursors[I] = cursor;
6401 // Save the preprocessing token index; restore the non-preprocessing
6403 PreprocessingTokIdx = TokIdx;
6404 TokIdx = SavedTokIdx;
6405 return CXChildVisit_Recurse;
6408 if (cursorRange.isInvalid())
6409 return CXChildVisit_Continue;
6411 unsigned BeforeReachingCursorIdx = NextToken();
6412 const enum CXCursorKind cursorK = clang_getCursorKind(cursor);
6413 const enum CXCursorKind K = clang_getCursorKind(parent);
6414 const CXCursor updateC =
6415 (clang_isInvalid(K) || K == CXCursor_TranslationUnit ||
6416 // Attributes are annotated out-of-order, skip tokens until we reach it.
6417 clang_isAttribute(cursor.kind))
6418 ? clang_getNullCursor() : parent;
6420 annotateAndAdvanceTokens(updateC, RangeBefore, cursorRange);
6422 // Avoid having the cursor of an expression "overwrite" the annotation of the
6423 // variable declaration that it belongs to.
6424 // This can happen for C++ constructor expressions whose range generally
6425 // include the variable declaration, e.g.:
6426 // MyCXXClass foo; // Make sure we don't annotate 'foo' as a CallExpr cursor.
6427 if (clang_isExpression(cursorK) && MoreTokens()) {
6428 const Expr *E = getCursorExpr(cursor);
6429 if (const Decl *D = getCursorParentDecl(cursor)) {
6430 const unsigned I = NextToken();
6431 if (E->getLocStart().isValid() && D->getLocation().isValid() &&
6432 E->getLocStart() == D->getLocation() &&
6433 E->getLocStart() == GetTokenLoc(I)) {
6434 updateCursorAnnotation(Cursors[I], updateC);
6440 // Before recursing into the children keep some state that we are going
6441 // to use in the AnnotateTokensWorker::postVisitChildren callback to do some
6442 // extra work after the child nodes are visited.
6443 // Note that we don't call VisitChildren here to avoid traversing statements
6444 // code-recursively which can blow the stack.
6446 PostChildrenInfo Info;
6447 Info.Cursor = cursor;
6448 Info.CursorRange = cursorRange;
6449 Info.BeforeReachingCursorIdx = BeforeReachingCursorIdx;
6450 Info.BeforeChildrenTokenIdx = NextToken();
6451 PostChildrenInfos.push_back(Info);
6453 return CXChildVisit_Recurse;
6456 bool AnnotateTokensWorker::postVisitChildren(CXCursor cursor) {
6457 if (PostChildrenInfos.empty())
6459 const PostChildrenInfo &Info = PostChildrenInfos.back();
6460 if (!clang_equalCursors(Info.Cursor, cursor))
6463 const unsigned BeforeChildren = Info.BeforeChildrenTokenIdx;
6464 const unsigned AfterChildren = NextToken();
6465 SourceRange cursorRange = Info.CursorRange;
6467 // Scan the tokens that are at the end of the cursor, but are not captured
6468 // but the child cursors.
6469 annotateAndAdvanceTokens(cursor, RangeOverlap, cursorRange);
6471 // Scan the tokens that are at the beginning of the cursor, but are not
6472 // capture by the child cursors.
6473 for (unsigned I = BeforeChildren; I != AfterChildren; ++I) {
6474 if (!clang_isInvalid(clang_getCursorKind(Cursors[I])))
6477 Cursors[I] = cursor;
6480 // Attributes are annotated out-of-order, rewind TokIdx to when we first
6481 // encountered the attribute cursor.
6482 if (clang_isAttribute(cursor.kind))
6483 TokIdx = Info.BeforeReachingCursorIdx;
6485 PostChildrenInfos.pop_back();
6489 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
6491 CXClientData client_data) {
6492 return static_cast<AnnotateTokensWorker*>(client_data)->Visit(cursor, parent);
6495 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
6496 CXClientData client_data) {
6497 return static_cast<AnnotateTokensWorker*>(client_data)->
6498 postVisitChildren(cursor);
6503 /// \brief Uses the macro expansions in the preprocessing record to find
6504 /// and mark tokens that are macro arguments. This info is used by the
6505 /// AnnotateTokensWorker.
6506 class MarkMacroArgTokensVisitor {
6513 MarkMacroArgTokensVisitor(SourceManager &SM,
6514 CXToken *tokens, unsigned numTokens)
6515 : SM(SM), Tokens(tokens), NumTokens(numTokens), CurIdx(0) { }
6517 CXChildVisitResult visit(CXCursor cursor, CXCursor parent) {
6518 if (cursor.kind != CXCursor_MacroExpansion)
6519 return CXChildVisit_Continue;
6521 SourceRange macroRange = getCursorMacroExpansion(cursor).getSourceRange();
6522 if (macroRange.getBegin() == macroRange.getEnd())
6523 return CXChildVisit_Continue; // it's not a function macro.
6525 for (; CurIdx < NumTokens; ++CurIdx) {
6526 if (!SM.isBeforeInTranslationUnit(getTokenLoc(CurIdx),
6527 macroRange.getBegin()))
6531 if (CurIdx == NumTokens)
6532 return CXChildVisit_Break;
6534 for (; CurIdx < NumTokens; ++CurIdx) {
6535 SourceLocation tokLoc = getTokenLoc(CurIdx);
6536 if (!SM.isBeforeInTranslationUnit(tokLoc, macroRange.getEnd()))
6539 setFunctionMacroTokenLoc(CurIdx, SM.getMacroArgExpandedLocation(tokLoc));
6542 if (CurIdx == NumTokens)
6543 return CXChildVisit_Break;
6545 return CXChildVisit_Continue;
6549 CXToken &getTok(unsigned Idx) {
6550 assert(Idx < NumTokens);
6553 const CXToken &getTok(unsigned Idx) const {
6554 assert(Idx < NumTokens);
6558 SourceLocation getTokenLoc(unsigned tokI) {
6559 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
6562 void setFunctionMacroTokenLoc(unsigned tokI, SourceLocation loc) {
6563 // The third field is reserved and currently not used. Use it here
6564 // to mark macro arg expanded tokens with their expanded locations.
6565 getTok(tokI).int_data[3] = loc.getRawEncoding();
6569 } // end anonymous namespace
6571 static CXChildVisitResult
6572 MarkMacroArgTokensVisitorDelegate(CXCursor cursor, CXCursor parent,
6573 CXClientData client_data) {
6574 return static_cast<MarkMacroArgTokensVisitor*>(client_data)->visit(cursor,
6578 /// \brief Used by \c annotatePreprocessorTokens.
6579 /// \returns true if lexing was finished, false otherwise.
6580 static bool lexNext(Lexer &Lex, Token &Tok,
6581 unsigned &NextIdx, unsigned NumTokens) {
6582 if (NextIdx >= NumTokens)
6586 Lex.LexFromRawLexer(Tok);
6587 return Tok.is(tok::eof);
6590 static void annotatePreprocessorTokens(CXTranslationUnit TU,
6591 SourceRange RegionOfInterest,
6594 unsigned NumTokens) {
6595 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6597 Preprocessor &PP = CXXUnit->getPreprocessor();
6598 SourceManager &SourceMgr = CXXUnit->getSourceManager();
6599 std::pair<FileID, unsigned> BeginLocInfo
6600 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getBegin());
6601 std::pair<FileID, unsigned> EndLocInfo
6602 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getEnd());
6604 if (BeginLocInfo.first != EndLocInfo.first)
6608 bool Invalid = false;
6609 Buffer = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
6610 if (Buffer.empty() || Invalid)
6613 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
6614 CXXUnit->getASTContext().getLangOpts(),
6615 Buffer.begin(), Buffer.data() + BeginLocInfo.second,
6617 Lex.SetCommentRetentionState(true);
6619 unsigned NextIdx = 0;
6620 // Lex tokens in raw mode until we hit the end of the range, to avoid
6621 // entering #includes or expanding macros.
6624 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6626 unsigned TokIdx = NextIdx-1;
6627 assert(Tok.getLocation() ==
6628 SourceLocation::getFromRawEncoding(Tokens[TokIdx].int_data[1]));
6631 if (Tok.is(tok::hash) && Tok.isAtStartOfLine()) {
6632 // We have found a preprocessing directive. Annotate the tokens
6635 // FIXME: Some simple tests here could identify macro definitions and
6636 // #undefs, to provide specific cursor kinds for those.
6638 SourceLocation BeginLoc = Tok.getLocation();
6639 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6642 MacroInfo *MI = nullptr;
6643 if (Tok.is(tok::raw_identifier) && Tok.getRawIdentifier() == "define") {
6644 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6647 if (Tok.is(tok::raw_identifier)) {
6648 IdentifierInfo &II =
6649 PP.getIdentifierTable().get(Tok.getRawIdentifier());
6650 SourceLocation MappedTokLoc =
6651 CXXUnit->mapLocationToPreamble(Tok.getLocation());
6652 MI = getMacroInfo(II, MappedTokLoc, TU);
6656 bool finished = false;
6658 if (lexNext(Lex, Tok, NextIdx, NumTokens)) {
6662 // If we are in a macro definition, check if the token was ever a
6663 // macro name and annotate it if that's the case.
6665 SourceLocation SaveLoc = Tok.getLocation();
6666 Tok.setLocation(CXXUnit->mapLocationToPreamble(SaveLoc));
6667 MacroDefinitionRecord *MacroDef =
6668 checkForMacroInMacroDefinition(MI, Tok, TU);
6669 Tok.setLocation(SaveLoc);
6671 Cursors[NextIdx - 1] =
6672 MakeMacroExpansionCursor(MacroDef, Tok.getLocation(), TU);
6674 } while (!Tok.isAtStartOfLine());
6676 unsigned LastIdx = finished ? NextIdx-1 : NextIdx-2;
6677 assert(TokIdx <= LastIdx);
6678 SourceLocation EndLoc =
6679 SourceLocation::getFromRawEncoding(Tokens[LastIdx].int_data[1]);
6681 MakePreprocessingDirectiveCursor(SourceRange(BeginLoc, EndLoc), TU);
6683 for (; TokIdx <= LastIdx; ++TokIdx)
6684 updateCursorAnnotation(Cursors[TokIdx], Cursor);
6693 // This gets run a separate thread to avoid stack blowout.
6694 static void clang_annotateTokensImpl(CXTranslationUnit TU, ASTUnit *CXXUnit,
6695 CXToken *Tokens, unsigned NumTokens,
6696 CXCursor *Cursors) {
6697 CIndexer *CXXIdx = TU->CIdx;
6698 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
6699 setThreadBackgroundPriority();
6701 // Determine the region of interest, which contains all of the tokens.
6702 SourceRange RegionOfInterest;
6703 RegionOfInterest.setBegin(
6704 cxloc::translateSourceLocation(clang_getTokenLocation(TU, Tokens[0])));
6705 RegionOfInterest.setEnd(
6706 cxloc::translateSourceLocation(clang_getTokenLocation(TU,
6707 Tokens[NumTokens-1])));
6709 // Relex the tokens within the source range to look for preprocessing
6711 annotatePreprocessorTokens(TU, RegionOfInterest, Cursors, Tokens, NumTokens);
6713 // If begin location points inside a macro argument, set it to the expansion
6714 // location so we can have the full context when annotating semantically.
6716 SourceManager &SM = CXXUnit->getSourceManager();
6717 SourceLocation Loc =
6718 SM.getMacroArgExpandedLocation(RegionOfInterest.getBegin());
6719 if (Loc.isMacroID())
6720 RegionOfInterest.setBegin(SM.getExpansionLoc(Loc));
6723 if (CXXUnit->getPreprocessor().getPreprocessingRecord()) {
6724 // Search and mark tokens that are macro argument expansions.
6725 MarkMacroArgTokensVisitor Visitor(CXXUnit->getSourceManager(),
6727 CursorVisitor MacroArgMarker(TU,
6728 MarkMacroArgTokensVisitorDelegate, &Visitor,
6729 /*VisitPreprocessorLast=*/true,
6730 /*VisitIncludedEntities=*/false,
6732 MacroArgMarker.visitPreprocessedEntitiesInRegion();
6735 // Annotate all of the source locations in the region of interest that map to
6736 // a specific cursor.
6737 AnnotateTokensWorker W(Tokens, Cursors, NumTokens, TU, RegionOfInterest);
6739 // FIXME: We use a ridiculous stack size here because the data-recursion
6740 // algorithm uses a large stack frame than the non-data recursive version,
6741 // and AnnotationTokensWorker currently transforms the data-recursion
6742 // algorithm back into a traditional recursion by explicitly calling
6743 // VisitChildren(). We will need to remove this explicit recursive call.
6746 // If we ran into any entities that involve context-sensitive keywords,
6747 // take another pass through the tokens to mark them as such.
6748 if (W.hasContextSensitiveKeywords()) {
6749 for (unsigned I = 0; I != NumTokens; ++I) {
6750 if (clang_getTokenKind(Tokens[I]) != CXToken_Identifier)
6753 if (Cursors[I].kind == CXCursor_ObjCPropertyDecl) {
6754 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6755 if (const ObjCPropertyDecl *Property
6756 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(Cursors[I]))) {
6757 if (Property->getPropertyAttributesAsWritten() != 0 &&
6758 llvm::StringSwitch<bool>(II->getName())
6759 .Case("readonly", true)
6760 .Case("assign", true)
6761 .Case("unsafe_unretained", true)
6762 .Case("readwrite", true)
6763 .Case("retain", true)
6765 .Case("nonatomic", true)
6766 .Case("atomic", true)
6767 .Case("getter", true)
6768 .Case("setter", true)
6769 .Case("strong", true)
6771 .Case("class", true)
6773 Tokens[I].int_data[0] = CXToken_Keyword;
6778 if (Cursors[I].kind == CXCursor_ObjCInstanceMethodDecl ||
6779 Cursors[I].kind == CXCursor_ObjCClassMethodDecl) {
6780 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6781 if (llvm::StringSwitch<bool>(II->getName())
6784 .Case("inout", true)
6785 .Case("oneway", true)
6786 .Case("bycopy", true)
6787 .Case("byref", true)
6789 Tokens[I].int_data[0] = CXToken_Keyword;
6793 if (Cursors[I].kind == CXCursor_CXXFinalAttr ||
6794 Cursors[I].kind == CXCursor_CXXOverrideAttr) {
6795 Tokens[I].int_data[0] = CXToken_Keyword;
6804 void clang_annotateTokens(CXTranslationUnit TU,
6805 CXToken *Tokens, unsigned NumTokens,
6806 CXCursor *Cursors) {
6807 if (isNotUsableTU(TU)) {
6811 if (NumTokens == 0 || !Tokens || !Cursors) {
6812 LOG_FUNC_SECTION { *Log << "<null input>"; }
6818 CXSourceLocation bloc = clang_getTokenLocation(TU, Tokens[0]);
6819 CXSourceLocation eloc = clang_getTokenLocation(TU, Tokens[NumTokens-1]);
6820 *Log << clang_getRange(bloc, eloc);
6823 // Any token we don't specifically annotate will have a NULL cursor.
6824 CXCursor C = clang_getNullCursor();
6825 for (unsigned I = 0; I != NumTokens; ++I)
6828 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6832 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
6834 auto AnnotateTokensImpl = [=]() {
6835 clang_annotateTokensImpl(TU, CXXUnit, Tokens, NumTokens, Cursors);
6837 llvm::CrashRecoveryContext CRC;
6838 if (!RunSafely(CRC, AnnotateTokensImpl, GetSafetyThreadStackSize() * 2)) {
6839 fprintf(stderr, "libclang: crash detected while annotating tokens\n");
6843 } // end: extern "C"
6845 //===----------------------------------------------------------------------===//
6846 // Operations for querying linkage of a cursor.
6847 //===----------------------------------------------------------------------===//
6850 CXLinkageKind clang_getCursorLinkage(CXCursor cursor) {
6851 if (!clang_isDeclaration(cursor.kind))
6852 return CXLinkage_Invalid;
6854 const Decl *D = cxcursor::getCursorDecl(cursor);
6855 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6856 switch (ND->getLinkageInternal()) {
6858 case VisibleNoLinkage: return CXLinkage_NoLinkage;
6859 case InternalLinkage: return CXLinkage_Internal;
6860 case UniqueExternalLinkage: return CXLinkage_UniqueExternal;
6861 case ExternalLinkage: return CXLinkage_External;
6864 return CXLinkage_Invalid;
6866 } // end: extern "C"
6868 //===----------------------------------------------------------------------===//
6869 // Operations for querying visibility of a cursor.
6870 //===----------------------------------------------------------------------===//
6873 CXVisibilityKind clang_getCursorVisibility(CXCursor cursor) {
6874 if (!clang_isDeclaration(cursor.kind))
6875 return CXVisibility_Invalid;
6877 const Decl *D = cxcursor::getCursorDecl(cursor);
6878 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6879 switch (ND->getVisibility()) {
6880 case HiddenVisibility: return CXVisibility_Hidden;
6881 case ProtectedVisibility: return CXVisibility_Protected;
6882 case DefaultVisibility: return CXVisibility_Default;
6885 return CXVisibility_Invalid;
6887 } // end: extern "C"
6889 //===----------------------------------------------------------------------===//
6890 // Operations for querying language of a cursor.
6891 //===----------------------------------------------------------------------===//
6893 static CXLanguageKind getDeclLanguage(const Decl *D) {
6895 return CXLanguage_C;
6897 switch (D->getKind()) {
6900 case Decl::ImplicitParam:
6901 case Decl::ObjCAtDefsField:
6902 case Decl::ObjCCategory:
6903 case Decl::ObjCCategoryImpl:
6904 case Decl::ObjCCompatibleAlias:
6905 case Decl::ObjCImplementation:
6906 case Decl::ObjCInterface:
6907 case Decl::ObjCIvar:
6908 case Decl::ObjCMethod:
6909 case Decl::ObjCProperty:
6910 case Decl::ObjCPropertyImpl:
6911 case Decl::ObjCProtocol:
6912 case Decl::ObjCTypeParam:
6913 return CXLanguage_ObjC;
6914 case Decl::CXXConstructor:
6915 case Decl::CXXConversion:
6916 case Decl::CXXDestructor:
6917 case Decl::CXXMethod:
6918 case Decl::CXXRecord:
6919 case Decl::ClassTemplate:
6920 case Decl::ClassTemplatePartialSpecialization:
6921 case Decl::ClassTemplateSpecialization:
6923 case Decl::FriendTemplate:
6924 case Decl::FunctionTemplate:
6925 case Decl::LinkageSpec:
6926 case Decl::Namespace:
6927 case Decl::NamespaceAlias:
6928 case Decl::NonTypeTemplateParm:
6929 case Decl::StaticAssert:
6930 case Decl::TemplateTemplateParm:
6931 case Decl::TemplateTypeParm:
6932 case Decl::UnresolvedUsingTypename:
6933 case Decl::UnresolvedUsingValue:
6935 case Decl::UsingDirective:
6936 case Decl::UsingShadow:
6937 return CXLanguage_CPlusPlus;
6940 return CXLanguage_C;
6945 static CXAvailabilityKind getCursorAvailabilityForDecl(const Decl *D) {
6946 if (isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->isDeleted())
6947 return CXAvailability_NotAvailable;
6949 switch (D->getAvailability()) {
6951 case AR_NotYetIntroduced:
6952 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6953 return getCursorAvailabilityForDecl(
6954 cast<Decl>(EnumConst->getDeclContext()));
6955 return CXAvailability_Available;
6958 return CXAvailability_Deprecated;
6960 case AR_Unavailable:
6961 return CXAvailability_NotAvailable;
6964 llvm_unreachable("Unknown availability kind!");
6967 enum CXAvailabilityKind clang_getCursorAvailability(CXCursor cursor) {
6968 if (clang_isDeclaration(cursor.kind))
6969 if (const Decl *D = cxcursor::getCursorDecl(cursor))
6970 return getCursorAvailabilityForDecl(D);
6972 return CXAvailability_Available;
6975 static CXVersion convertVersion(VersionTuple In) {
6976 CXVersion Out = { -1, -1, -1 };
6980 Out.Major = In.getMajor();
6982 Optional<unsigned> Minor = In.getMinor();
6983 if (Minor.hasValue())
6988 Optional<unsigned> Subminor = In.getSubminor();
6989 if (Subminor.hasValue())
6990 Out.Subminor = *Subminor;
6995 static int getCursorPlatformAvailabilityForDecl(const Decl *D,
6996 int *always_deprecated,
6997 CXString *deprecated_message,
6998 int *always_unavailable,
6999 CXString *unavailable_message,
7000 CXPlatformAvailability *availability,
7001 int availability_size) {
7002 bool HadAvailAttr = false;
7004 for (auto A : D->attrs()) {
7005 if (DeprecatedAttr *Deprecated = dyn_cast<DeprecatedAttr>(A)) {
7006 HadAvailAttr = true;
7007 if (always_deprecated)
7008 *always_deprecated = 1;
7009 if (deprecated_message) {
7010 clang_disposeString(*deprecated_message);
7011 *deprecated_message = cxstring::createDup(Deprecated->getMessage());
7016 if (UnavailableAttr *Unavailable = dyn_cast<UnavailableAttr>(A)) {
7017 HadAvailAttr = true;
7018 if (always_unavailable)
7019 *always_unavailable = 1;
7020 if (unavailable_message) {
7021 clang_disposeString(*unavailable_message);
7022 *unavailable_message = cxstring::createDup(Unavailable->getMessage());
7027 if (AvailabilityAttr *Avail = dyn_cast<AvailabilityAttr>(A)) {
7028 HadAvailAttr = true;
7029 if (N < availability_size) {
7030 availability[N].Platform
7031 = cxstring::createDup(Avail->getPlatform()->getName());
7032 availability[N].Introduced = convertVersion(Avail->getIntroduced());
7033 availability[N].Deprecated = convertVersion(Avail->getDeprecated());
7034 availability[N].Obsoleted = convertVersion(Avail->getObsoleted());
7035 availability[N].Unavailable = Avail->getUnavailable();
7036 availability[N].Message = cxstring::createDup(Avail->getMessage());
7043 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
7044 return getCursorPlatformAvailabilityForDecl(
7045 cast<Decl>(EnumConst->getDeclContext()),
7049 unavailable_message,
7056 int clang_getCursorPlatformAvailability(CXCursor cursor,
7057 int *always_deprecated,
7058 CXString *deprecated_message,
7059 int *always_unavailable,
7060 CXString *unavailable_message,
7061 CXPlatformAvailability *availability,
7062 int availability_size) {
7063 if (always_deprecated)
7064 *always_deprecated = 0;
7065 if (deprecated_message)
7066 *deprecated_message = cxstring::createEmpty();
7067 if (always_unavailable)
7068 *always_unavailable = 0;
7069 if (unavailable_message)
7070 *unavailable_message = cxstring::createEmpty();
7072 if (!clang_isDeclaration(cursor.kind))
7075 const Decl *D = cxcursor::getCursorDecl(cursor);
7079 return getCursorPlatformAvailabilityForDecl(D, always_deprecated,
7082 unavailable_message,
7087 void clang_disposeCXPlatformAvailability(CXPlatformAvailability *availability) {
7088 clang_disposeString(availability->Platform);
7089 clang_disposeString(availability->Message);
7092 CXLanguageKind clang_getCursorLanguage(CXCursor cursor) {
7093 if (clang_isDeclaration(cursor.kind))
7094 return getDeclLanguage(cxcursor::getCursorDecl(cursor));
7096 return CXLanguage_Invalid;
7099 /// \brief If the given cursor is the "templated" declaration
7100 /// descibing a class or function template, return the class or
7101 /// function template.
7102 static const Decl *maybeGetTemplateCursor(const Decl *D) {
7106 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
7107 if (FunctionTemplateDecl *FunTmpl = FD->getDescribedFunctionTemplate())
7110 if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D))
7111 if (ClassTemplateDecl *ClassTmpl = RD->getDescribedClassTemplate())
7118 enum CX_StorageClass clang_Cursor_getStorageClass(CXCursor C) {
7119 StorageClass sc = SC_None;
7120 const Decl *D = getCursorDecl(C);
7122 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
7123 sc = FD->getStorageClass();
7124 } else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
7125 sc = VD->getStorageClass();
7127 return CX_SC_Invalid;
7130 return CX_SC_Invalid;
7136 return CX_SC_Extern;
7138 return CX_SC_Static;
7139 case SC_PrivateExtern:
7140 return CX_SC_PrivateExtern;
7144 return CX_SC_Register;
7146 llvm_unreachable("Unhandled storage class!");
7149 CXCursor clang_getCursorSemanticParent(CXCursor cursor) {
7150 if (clang_isDeclaration(cursor.kind)) {
7151 if (const Decl *D = getCursorDecl(cursor)) {
7152 const DeclContext *DC = D->getDeclContext();
7154 return clang_getNullCursor();
7156 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
7157 getCursorTU(cursor));
7161 if (clang_isStatement(cursor.kind) || clang_isExpression(cursor.kind)) {
7162 if (const Decl *D = getCursorDecl(cursor))
7163 return MakeCXCursor(D, getCursorTU(cursor));
7166 return clang_getNullCursor();
7169 CXCursor clang_getCursorLexicalParent(CXCursor cursor) {
7170 if (clang_isDeclaration(cursor.kind)) {
7171 if (const Decl *D = getCursorDecl(cursor)) {
7172 const DeclContext *DC = D->getLexicalDeclContext();
7174 return clang_getNullCursor();
7176 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
7177 getCursorTU(cursor));
7181 // FIXME: Note that we can't easily compute the lexical context of a
7182 // statement or expression, so we return nothing.
7183 return clang_getNullCursor();
7186 CXFile clang_getIncludedFile(CXCursor cursor) {
7187 if (cursor.kind != CXCursor_InclusionDirective)
7190 const InclusionDirective *ID = getCursorInclusionDirective(cursor);
7191 return const_cast<FileEntry *>(ID->getFile());
7194 unsigned clang_Cursor_getObjCPropertyAttributes(CXCursor C, unsigned reserved) {
7195 if (C.kind != CXCursor_ObjCPropertyDecl)
7196 return CXObjCPropertyAttr_noattr;
7198 unsigned Result = CXObjCPropertyAttr_noattr;
7199 const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(getCursorDecl(C));
7200 ObjCPropertyDecl::PropertyAttributeKind Attr =
7201 PD->getPropertyAttributesAsWritten();
7203 #define SET_CXOBJCPROP_ATTR(A) \
7204 if (Attr & ObjCPropertyDecl::OBJC_PR_##A) \
7205 Result |= CXObjCPropertyAttr_##A
7206 SET_CXOBJCPROP_ATTR(readonly);
7207 SET_CXOBJCPROP_ATTR(getter);
7208 SET_CXOBJCPROP_ATTR(assign);
7209 SET_CXOBJCPROP_ATTR(readwrite);
7210 SET_CXOBJCPROP_ATTR(retain);
7211 SET_CXOBJCPROP_ATTR(copy);
7212 SET_CXOBJCPROP_ATTR(nonatomic);
7213 SET_CXOBJCPROP_ATTR(setter);
7214 SET_CXOBJCPROP_ATTR(atomic);
7215 SET_CXOBJCPROP_ATTR(weak);
7216 SET_CXOBJCPROP_ATTR(strong);
7217 SET_CXOBJCPROP_ATTR(unsafe_unretained);
7218 SET_CXOBJCPROP_ATTR(class);
7219 #undef SET_CXOBJCPROP_ATTR
7224 unsigned clang_Cursor_getObjCDeclQualifiers(CXCursor C) {
7225 if (!clang_isDeclaration(C.kind))
7226 return CXObjCDeclQualifier_None;
7228 Decl::ObjCDeclQualifier QT = Decl::OBJC_TQ_None;
7229 const Decl *D = getCursorDecl(C);
7230 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
7231 QT = MD->getObjCDeclQualifier();
7232 else if (const ParmVarDecl *PD = dyn_cast<ParmVarDecl>(D))
7233 QT = PD->getObjCDeclQualifier();
7234 if (QT == Decl::OBJC_TQ_None)
7235 return CXObjCDeclQualifier_None;
7237 unsigned Result = CXObjCDeclQualifier_None;
7238 if (QT & Decl::OBJC_TQ_In) Result |= CXObjCDeclQualifier_In;
7239 if (QT & Decl::OBJC_TQ_Inout) Result |= CXObjCDeclQualifier_Inout;
7240 if (QT & Decl::OBJC_TQ_Out) Result |= CXObjCDeclQualifier_Out;
7241 if (QT & Decl::OBJC_TQ_Bycopy) Result |= CXObjCDeclQualifier_Bycopy;
7242 if (QT & Decl::OBJC_TQ_Byref) Result |= CXObjCDeclQualifier_Byref;
7243 if (QT & Decl::OBJC_TQ_Oneway) Result |= CXObjCDeclQualifier_Oneway;
7248 unsigned clang_Cursor_isObjCOptional(CXCursor C) {
7249 if (!clang_isDeclaration(C.kind))
7252 const Decl *D = getCursorDecl(C);
7253 if (const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(D))
7254 return PD->getPropertyImplementation() == ObjCPropertyDecl::Optional;
7255 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
7256 return MD->getImplementationControl() == ObjCMethodDecl::Optional;
7261 unsigned clang_Cursor_isVariadic(CXCursor C) {
7262 if (!clang_isDeclaration(C.kind))
7265 const Decl *D = getCursorDecl(C);
7266 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
7267 return FD->isVariadic();
7268 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
7269 return MD->isVariadic();
7274 CXSourceRange clang_Cursor_getCommentRange(CXCursor C) {
7275 if (!clang_isDeclaration(C.kind))
7276 return clang_getNullRange();
7278 const Decl *D = getCursorDecl(C);
7279 ASTContext &Context = getCursorContext(C);
7280 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
7282 return clang_getNullRange();
7284 return cxloc::translateSourceRange(Context, RC->getSourceRange());
7287 CXString clang_Cursor_getRawCommentText(CXCursor C) {
7288 if (!clang_isDeclaration(C.kind))
7289 return cxstring::createNull();
7291 const Decl *D = getCursorDecl(C);
7292 ASTContext &Context = getCursorContext(C);
7293 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
7294 StringRef RawText = RC ? RC->getRawText(Context.getSourceManager()) :
7297 // Don't duplicate the string because RawText points directly into source
7299 return cxstring::createRef(RawText);
7302 CXString clang_Cursor_getBriefCommentText(CXCursor C) {
7303 if (!clang_isDeclaration(C.kind))
7304 return cxstring::createNull();
7306 const Decl *D = getCursorDecl(C);
7307 const ASTContext &Context = getCursorContext(C);
7308 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
7311 StringRef BriefText = RC->getBriefText(Context);
7313 // Don't duplicate the string because RawComment ensures that this memory
7314 // will not go away.
7315 return cxstring::createRef(BriefText);
7318 return cxstring::createNull();
7321 CXModule clang_Cursor_getModule(CXCursor C) {
7322 if (C.kind == CXCursor_ModuleImportDecl) {
7323 if (const ImportDecl *ImportD =
7324 dyn_cast_or_null<ImportDecl>(getCursorDecl(C)))
7325 return ImportD->getImportedModule();
7331 CXModule clang_getModuleForFile(CXTranslationUnit TU, CXFile File) {
7332 if (isNotUsableTU(TU)) {
7338 FileEntry *FE = static_cast<FileEntry *>(File);
7340 ASTUnit &Unit = *cxtu::getASTUnit(TU);
7341 HeaderSearch &HS = Unit.getPreprocessor().getHeaderSearchInfo();
7342 ModuleMap::KnownHeader Header = HS.findModuleForHeader(FE);
7344 return Header.getModule();
7347 CXFile clang_Module_getASTFile(CXModule CXMod) {
7350 Module *Mod = static_cast<Module*>(CXMod);
7351 return const_cast<FileEntry *>(Mod->getASTFile());
7354 CXModule clang_Module_getParent(CXModule CXMod) {
7357 Module *Mod = static_cast<Module*>(CXMod);
7361 CXString clang_Module_getName(CXModule CXMod) {
7363 return cxstring::createEmpty();
7364 Module *Mod = static_cast<Module*>(CXMod);
7365 return cxstring::createDup(Mod->Name);
7368 CXString clang_Module_getFullName(CXModule CXMod) {
7370 return cxstring::createEmpty();
7371 Module *Mod = static_cast<Module*>(CXMod);
7372 return cxstring::createDup(Mod->getFullModuleName());
7375 int clang_Module_isSystem(CXModule CXMod) {
7378 Module *Mod = static_cast<Module*>(CXMod);
7379 return Mod->IsSystem;
7382 unsigned clang_Module_getNumTopLevelHeaders(CXTranslationUnit TU,
7384 if (isNotUsableTU(TU)) {
7390 Module *Mod = static_cast<Module*>(CXMod);
7391 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7392 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7393 return TopHeaders.size();
7396 CXFile clang_Module_getTopLevelHeader(CXTranslationUnit TU,
7397 CXModule CXMod, unsigned Index) {
7398 if (isNotUsableTU(TU)) {
7404 Module *Mod = static_cast<Module*>(CXMod);
7405 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7407 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7408 if (Index < TopHeaders.size())
7409 return const_cast<FileEntry *>(TopHeaders[Index]);
7414 } // end: extern "C"
7416 //===----------------------------------------------------------------------===//
7417 // C++ AST instrospection.
7418 //===----------------------------------------------------------------------===//
7422 unsigned clang_CXXConstructor_isDefaultConstructor(CXCursor C) {
7423 if (!clang_isDeclaration(C.kind))
7426 const Decl *D = cxcursor::getCursorDecl(C);
7427 const CXXConstructorDecl *Constructor =
7428 D ? dyn_cast_or_null<CXXConstructorDecl>(D->getAsFunction()) : nullptr;
7429 return (Constructor && Constructor->isDefaultConstructor()) ? 1 : 0;
7432 unsigned clang_CXXConstructor_isCopyConstructor(CXCursor C) {
7433 if (!clang_isDeclaration(C.kind))
7436 const Decl *D = cxcursor::getCursorDecl(C);
7437 const CXXConstructorDecl *Constructor =
7438 D ? dyn_cast_or_null<CXXConstructorDecl>(D->getAsFunction()) : nullptr;
7439 return (Constructor && Constructor->isCopyConstructor()) ? 1 : 0;
7442 unsigned clang_CXXConstructor_isMoveConstructor(CXCursor C) {
7443 if (!clang_isDeclaration(C.kind))
7446 const Decl *D = cxcursor::getCursorDecl(C);
7447 const CXXConstructorDecl *Constructor =
7448 D ? dyn_cast_or_null<CXXConstructorDecl>(D->getAsFunction()) : nullptr;
7449 return (Constructor && Constructor->isMoveConstructor()) ? 1 : 0;
7452 unsigned clang_CXXConstructor_isConvertingConstructor(CXCursor C) {
7453 if (!clang_isDeclaration(C.kind))
7456 const Decl *D = cxcursor::getCursorDecl(C);
7457 const CXXConstructorDecl *Constructor =
7458 D ? dyn_cast_or_null<CXXConstructorDecl>(D->getAsFunction()) : nullptr;
7459 // Passing 'false' excludes constructors marked 'explicit'.
7460 return (Constructor && Constructor->isConvertingConstructor(false)) ? 1 : 0;
7463 unsigned clang_CXXField_isMutable(CXCursor C) {
7464 if (!clang_isDeclaration(C.kind))
7467 if (const auto D = cxcursor::getCursorDecl(C))
7468 if (const auto FD = dyn_cast_or_null<FieldDecl>(D))
7469 return FD->isMutable() ? 1 : 0;
7473 unsigned clang_CXXMethod_isPureVirtual(CXCursor C) {
7474 if (!clang_isDeclaration(C.kind))
7477 const Decl *D = cxcursor::getCursorDecl(C);
7478 const CXXMethodDecl *Method =
7479 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7480 return (Method && Method->isVirtual() && Method->isPure()) ? 1 : 0;
7483 unsigned clang_CXXMethod_isConst(CXCursor C) {
7484 if (!clang_isDeclaration(C.kind))
7487 const Decl *D = cxcursor::getCursorDecl(C);
7488 const CXXMethodDecl *Method =
7489 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7490 return (Method && (Method->getTypeQualifiers() & Qualifiers::Const)) ? 1 : 0;
7493 unsigned clang_CXXMethod_isDefaulted(CXCursor C) {
7494 if (!clang_isDeclaration(C.kind))
7497 const Decl *D = cxcursor::getCursorDecl(C);
7498 const CXXMethodDecl *Method =
7499 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7500 return (Method && Method->isDefaulted()) ? 1 : 0;
7503 unsigned clang_CXXMethod_isStatic(CXCursor C) {
7504 if (!clang_isDeclaration(C.kind))
7507 const Decl *D = cxcursor::getCursorDecl(C);
7508 const CXXMethodDecl *Method =
7509 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7510 return (Method && Method->isStatic()) ? 1 : 0;
7513 unsigned clang_CXXMethod_isVirtual(CXCursor C) {
7514 if (!clang_isDeclaration(C.kind))
7517 const Decl *D = cxcursor::getCursorDecl(C);
7518 const CXXMethodDecl *Method =
7519 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7520 return (Method && Method->isVirtual()) ? 1 : 0;
7522 } // end: extern "C"
7524 //===----------------------------------------------------------------------===//
7525 // Attribute introspection.
7526 //===----------------------------------------------------------------------===//
7529 CXType clang_getIBOutletCollectionType(CXCursor C) {
7530 if (C.kind != CXCursor_IBOutletCollectionAttr)
7531 return cxtype::MakeCXType(QualType(), cxcursor::getCursorTU(C));
7533 const IBOutletCollectionAttr *A =
7534 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
7536 return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorTU(C));
7538 } // end: extern "C"
7540 //===----------------------------------------------------------------------===//
7541 // Inspecting memory usage.
7542 //===----------------------------------------------------------------------===//
7544 typedef std::vector<CXTUResourceUsageEntry> MemUsageEntries;
7546 static inline void createCXTUResourceUsageEntry(MemUsageEntries &entries,
7547 enum CXTUResourceUsageKind k,
7548 unsigned long amount) {
7549 CXTUResourceUsageEntry entry = { k, amount };
7550 entries.push_back(entry);
7555 const char *clang_getTUResourceUsageName(CXTUResourceUsageKind kind) {
7556 const char *str = "";
7558 case CXTUResourceUsage_AST:
7559 str = "ASTContext: expressions, declarations, and types";
7561 case CXTUResourceUsage_Identifiers:
7562 str = "ASTContext: identifiers";
7564 case CXTUResourceUsage_Selectors:
7565 str = "ASTContext: selectors";
7567 case CXTUResourceUsage_GlobalCompletionResults:
7568 str = "Code completion: cached global results";
7570 case CXTUResourceUsage_SourceManagerContentCache:
7571 str = "SourceManager: content cache allocator";
7573 case CXTUResourceUsage_AST_SideTables:
7574 str = "ASTContext: side tables";
7576 case CXTUResourceUsage_SourceManager_Membuffer_Malloc:
7577 str = "SourceManager: malloc'ed memory buffers";
7579 case CXTUResourceUsage_SourceManager_Membuffer_MMap:
7580 str = "SourceManager: mmap'ed memory buffers";
7582 case CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc:
7583 str = "ExternalASTSource: malloc'ed memory buffers";
7585 case CXTUResourceUsage_ExternalASTSource_Membuffer_MMap:
7586 str = "ExternalASTSource: mmap'ed memory buffers";
7588 case CXTUResourceUsage_Preprocessor:
7589 str = "Preprocessor: malloc'ed memory";
7591 case CXTUResourceUsage_PreprocessingRecord:
7592 str = "Preprocessor: PreprocessingRecord";
7594 case CXTUResourceUsage_SourceManager_DataStructures:
7595 str = "SourceManager: data structures and tables";
7597 case CXTUResourceUsage_Preprocessor_HeaderSearch:
7598 str = "Preprocessor: header search tables";
7604 CXTUResourceUsage clang_getCXTUResourceUsage(CXTranslationUnit TU) {
7605 if (isNotUsableTU(TU)) {
7607 CXTUResourceUsage usage = { (void*) nullptr, 0, nullptr };
7611 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7612 std::unique_ptr<MemUsageEntries> entries(new MemUsageEntries());
7613 ASTContext &astContext = astUnit->getASTContext();
7615 // How much memory is used by AST nodes and types?
7616 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST,
7617 (unsigned long) astContext.getASTAllocatedMemory());
7619 // How much memory is used by identifiers?
7620 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Identifiers,
7621 (unsigned long) astContext.Idents.getAllocator().getTotalMemory());
7623 // How much memory is used for selectors?
7624 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Selectors,
7625 (unsigned long) astContext.Selectors.getTotalMemory());
7627 // How much memory is used by ASTContext's side tables?
7628 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST_SideTables,
7629 (unsigned long) astContext.getSideTableAllocatedMemory());
7631 // How much memory is used for caching global code completion results?
7632 unsigned long completionBytes = 0;
7633 if (GlobalCodeCompletionAllocator *completionAllocator =
7634 astUnit->getCachedCompletionAllocator().get()) {
7635 completionBytes = completionAllocator->getTotalMemory();
7637 createCXTUResourceUsageEntry(*entries,
7638 CXTUResourceUsage_GlobalCompletionResults,
7641 // How much memory is being used by SourceManager's content cache?
7642 createCXTUResourceUsageEntry(*entries,
7643 CXTUResourceUsage_SourceManagerContentCache,
7644 (unsigned long) astContext.getSourceManager().getContentCacheSize());
7646 // How much memory is being used by the MemoryBuffer's in SourceManager?
7647 const SourceManager::MemoryBufferSizes &srcBufs =
7648 astUnit->getSourceManager().getMemoryBufferSizes();
7650 createCXTUResourceUsageEntry(*entries,
7651 CXTUResourceUsage_SourceManager_Membuffer_Malloc,
7652 (unsigned long) srcBufs.malloc_bytes);
7653 createCXTUResourceUsageEntry(*entries,
7654 CXTUResourceUsage_SourceManager_Membuffer_MMap,
7655 (unsigned long) srcBufs.mmap_bytes);
7656 createCXTUResourceUsageEntry(*entries,
7657 CXTUResourceUsage_SourceManager_DataStructures,
7658 (unsigned long) astContext.getSourceManager()
7659 .getDataStructureSizes());
7661 // How much memory is being used by the ExternalASTSource?
7662 if (ExternalASTSource *esrc = astContext.getExternalSource()) {
7663 const ExternalASTSource::MemoryBufferSizes &sizes =
7664 esrc->getMemoryBufferSizes();
7666 createCXTUResourceUsageEntry(*entries,
7667 CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc,
7668 (unsigned long) sizes.malloc_bytes);
7669 createCXTUResourceUsageEntry(*entries,
7670 CXTUResourceUsage_ExternalASTSource_Membuffer_MMap,
7671 (unsigned long) sizes.mmap_bytes);
7674 // How much memory is being used by the Preprocessor?
7675 Preprocessor &pp = astUnit->getPreprocessor();
7676 createCXTUResourceUsageEntry(*entries,
7677 CXTUResourceUsage_Preprocessor,
7678 pp.getTotalMemory());
7680 if (PreprocessingRecord *pRec = pp.getPreprocessingRecord()) {
7681 createCXTUResourceUsageEntry(*entries,
7682 CXTUResourceUsage_PreprocessingRecord,
7683 pRec->getTotalMemory());
7686 createCXTUResourceUsageEntry(*entries,
7687 CXTUResourceUsage_Preprocessor_HeaderSearch,
7688 pp.getHeaderSearchInfo().getTotalMemory());
7690 CXTUResourceUsage usage = { (void*) entries.get(),
7691 (unsigned) entries->size(),
7692 !entries->empty() ? &(*entries)[0] : nullptr };
7697 void clang_disposeCXTUResourceUsage(CXTUResourceUsage usage) {
7699 delete (MemUsageEntries*) usage.data;
7702 CXSourceRangeList *clang_getSkippedRanges(CXTranslationUnit TU, CXFile file) {
7703 CXSourceRangeList *skipped = new CXSourceRangeList;
7705 skipped->ranges = nullptr;
7707 if (isNotUsableTU(TU)) {
7715 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7716 PreprocessingRecord *ppRec = astUnit->getPreprocessor().getPreprocessingRecord();
7720 ASTContext &Ctx = astUnit->getASTContext();
7721 SourceManager &sm = Ctx.getSourceManager();
7722 FileEntry *fileEntry = static_cast<FileEntry *>(file);
7723 FileID wantedFileID = sm.translateFile(fileEntry);
7725 const std::vector<SourceRange> &SkippedRanges = ppRec->getSkippedRanges();
7726 std::vector<SourceRange> wantedRanges;
7727 for (std::vector<SourceRange>::const_iterator i = SkippedRanges.begin(), ei = SkippedRanges.end();
7729 if (sm.getFileID(i->getBegin()) == wantedFileID || sm.getFileID(i->getEnd()) == wantedFileID)
7730 wantedRanges.push_back(*i);
7733 skipped->count = wantedRanges.size();
7734 skipped->ranges = new CXSourceRange[skipped->count];
7735 for (unsigned i = 0, ei = skipped->count; i != ei; ++i)
7736 skipped->ranges[i] = cxloc::translateSourceRange(Ctx, wantedRanges[i]);
7741 void clang_disposeSourceRangeList(CXSourceRangeList *ranges) {
7743 delete[] ranges->ranges;
7750 void clang::PrintLibclangResourceUsage(CXTranslationUnit TU) {
7751 CXTUResourceUsage Usage = clang_getCXTUResourceUsage(TU);
7752 for (unsigned I = 0; I != Usage.numEntries; ++I)
7753 fprintf(stderr, " %s: %lu\n",
7754 clang_getTUResourceUsageName(Usage.entries[I].kind),
7755 Usage.entries[I].amount);
7757 clang_disposeCXTUResourceUsage(Usage);
7760 //===----------------------------------------------------------------------===//
7761 // Misc. utility functions.
7762 //===----------------------------------------------------------------------===//
7764 /// Default to using an 8 MB stack size on "safety" threads.
7765 static unsigned SafetyStackThreadSize = 8 << 20;
7769 bool RunSafely(llvm::CrashRecoveryContext &CRC, llvm::function_ref<void()> Fn,
7772 Size = GetSafetyThreadStackSize();
7774 return CRC.RunSafelyOnThread(Fn, Size);
7775 return CRC.RunSafely(Fn);
7778 unsigned GetSafetyThreadStackSize() {
7779 return SafetyStackThreadSize;
7782 void SetSafetyThreadStackSize(unsigned Value) {
7783 SafetyStackThreadSize = Value;
7788 void clang::setThreadBackgroundPriority() {
7789 if (getenv("LIBCLANG_BGPRIO_DISABLE"))
7792 #ifdef USE_DARWIN_THREADS
7793 setpriority(PRIO_DARWIN_THREAD, 0, PRIO_DARWIN_BG);
7797 void cxindex::printDiagsToStderr(ASTUnit *Unit) {
7801 for (ASTUnit::stored_diag_iterator D = Unit->stored_diag_begin(),
7802 DEnd = Unit->stored_diag_end();
7804 CXStoredDiagnostic Diag(*D, Unit->getLangOpts());
7805 CXString Msg = clang_formatDiagnostic(&Diag,
7806 clang_defaultDiagnosticDisplayOptions());
7807 fprintf(stderr, "%s\n", clang_getCString(Msg));
7808 clang_disposeString(Msg);
7810 #ifdef LLVM_ON_WIN32
7811 // On Windows, force a flush, since there may be multiple copies of
7812 // stderr and stdout in the file system, all with different buffers
7813 // but writing to the same device.
7818 MacroInfo *cxindex::getMacroInfo(const IdentifierInfo &II,
7819 SourceLocation MacroDefLoc,
7820 CXTranslationUnit TU){
7821 if (MacroDefLoc.isInvalid() || !TU)
7823 if (!II.hadMacroDefinition())
7826 ASTUnit *Unit = cxtu::getASTUnit(TU);
7827 Preprocessor &PP = Unit->getPreprocessor();
7828 MacroDirective *MD = PP.getLocalMacroDirectiveHistory(&II);
7830 for (MacroDirective::DefInfo
7831 Def = MD->getDefinition(); Def; Def = Def.getPreviousDefinition()) {
7832 if (MacroDefLoc == Def.getMacroInfo()->getDefinitionLoc())
7833 return Def.getMacroInfo();
7840 const MacroInfo *cxindex::getMacroInfo(const MacroDefinitionRecord *MacroDef,
7841 CXTranslationUnit TU) {
7842 if (!MacroDef || !TU)
7844 const IdentifierInfo *II = MacroDef->getName();
7848 return getMacroInfo(*II, MacroDef->getLocation(), TU);
7851 MacroDefinitionRecord *
7852 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, const Token &Tok,
7853 CXTranslationUnit TU) {
7856 if (Tok.isNot(tok::raw_identifier))
7859 if (MI->getNumTokens() == 0)
7861 SourceRange DefRange(MI->getReplacementToken(0).getLocation(),
7862 MI->getDefinitionEndLoc());
7863 ASTUnit *Unit = cxtu::getASTUnit(TU);
7865 // Check that the token is inside the definition and not its argument list.
7866 SourceManager &SM = Unit->getSourceManager();
7867 if (SM.isBeforeInTranslationUnit(Tok.getLocation(), DefRange.getBegin()))
7869 if (SM.isBeforeInTranslationUnit(DefRange.getEnd(), Tok.getLocation()))
7872 Preprocessor &PP = Unit->getPreprocessor();
7873 PreprocessingRecord *PPRec = PP.getPreprocessingRecord();
7877 IdentifierInfo &II = PP.getIdentifierTable().get(Tok.getRawIdentifier());
7878 if (!II.hadMacroDefinition())
7881 // Check that the identifier is not one of the macro arguments.
7882 if (std::find(MI->arg_begin(), MI->arg_end(), &II) != MI->arg_end())
7885 MacroDirective *InnerMD = PP.getLocalMacroDirectiveHistory(&II);
7889 return PPRec->findMacroDefinition(InnerMD->getMacroInfo());
7892 MacroDefinitionRecord *
7893 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, SourceLocation Loc,
7894 CXTranslationUnit TU) {
7895 if (Loc.isInvalid() || !MI || !TU)
7898 if (MI->getNumTokens() == 0)
7900 ASTUnit *Unit = cxtu::getASTUnit(TU);
7901 Preprocessor &PP = Unit->getPreprocessor();
7902 if (!PP.getPreprocessingRecord())
7904 Loc = Unit->getSourceManager().getSpellingLoc(Loc);
7906 if (PP.getRawToken(Loc, Tok))
7909 return checkForMacroInMacroDefinition(MI, Tok, TU);
7914 CXString clang_getClangVersion() {
7915 return cxstring::createDup(getClangFullVersion());
7918 } // end: extern "C"
7920 Logger &cxindex::Logger::operator<<(CXTranslationUnit TU) {
7922 if (ASTUnit *Unit = cxtu::getASTUnit(TU)) {
7923 LogOS << '<' << Unit->getMainFileName() << '>';
7924 if (Unit->isMainFileAST())
7925 LogOS << " (" << Unit->getASTFileName() << ')';
7929 LogOS << "<NULL TU>";
7934 Logger &cxindex::Logger::operator<<(const FileEntry *FE) {
7935 *this << FE->getName();
7939 Logger &cxindex::Logger::operator<<(CXCursor cursor) {
7940 CXString cursorName = clang_getCursorDisplayName(cursor);
7941 *this << cursorName << "@" << clang_getCursorLocation(cursor);
7942 clang_disposeString(cursorName);
7946 Logger &cxindex::Logger::operator<<(CXSourceLocation Loc) {
7948 unsigned Line, Column;
7949 clang_getFileLocation(Loc, &File, &Line, &Column, nullptr);
7950 CXString FileName = clang_getFileName(File);
7951 *this << llvm::format("(%s:%d:%d)", clang_getCString(FileName), Line, Column);
7952 clang_disposeString(FileName);
7956 Logger &cxindex::Logger::operator<<(CXSourceRange range) {
7957 CXSourceLocation BLoc = clang_getRangeStart(range);
7958 CXSourceLocation ELoc = clang_getRangeEnd(range);
7961 unsigned BLine, BColumn;
7962 clang_getFileLocation(BLoc, &BFile, &BLine, &BColumn, nullptr);
7965 unsigned ELine, EColumn;
7966 clang_getFileLocation(ELoc, &EFile, &ELine, &EColumn, nullptr);
7968 CXString BFileName = clang_getFileName(BFile);
7969 if (BFile == EFile) {
7970 *this << llvm::format("[%s %d:%d-%d:%d]", clang_getCString(BFileName),
7971 BLine, BColumn, ELine, EColumn);
7973 CXString EFileName = clang_getFileName(EFile);
7974 *this << llvm::format("[%s:%d:%d - ", clang_getCString(BFileName),
7976 << llvm::format("%s:%d:%d]", clang_getCString(EFileName),
7978 clang_disposeString(EFileName);
7980 clang_disposeString(BFileName);
7984 Logger &cxindex::Logger::operator<<(CXString Str) {
7985 *this << clang_getCString(Str);
7989 Logger &cxindex::Logger::operator<<(const llvm::format_object_base &Fmt) {
7994 static llvm::ManagedStatic<llvm::sys::Mutex> LoggingMutex;
7996 cxindex::Logger::~Logger() {
7997 llvm::sys::ScopedLock L(*LoggingMutex);
7999 static llvm::TimeRecord sBeginTR = llvm::TimeRecord::getCurrentTime();
8001 raw_ostream &OS = llvm::errs();
8002 OS << "[libclang:" << Name << ':';
8004 #ifdef USE_DARWIN_THREADS
8005 // TODO: Portability.
8006 mach_port_t tid = pthread_mach_thread_np(pthread_self());
8010 llvm::TimeRecord TR = llvm::TimeRecord::getCurrentTime();
8011 OS << llvm::format("%7.4f] ", TR.getWallTime() - sBeginTR.getWallTime());
8015 llvm::sys::PrintStackTrace(OS);
8016 OS << "--------------------------------------------------\n";
8020 #ifdef CLANG_TOOL_EXTRA_BUILD
8021 // This anchor is used to force the linker to link the clang-tidy plugin.
8022 extern volatile int ClangTidyPluginAnchorSource;
8023 static int LLVM_ATTRIBUTE_UNUSED ClangTidyPluginAnchorDestination =
8024 ClangTidyPluginAnchorSource;