1 //===- CIndex.cpp - Clang-C Source Indexing Library -----------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the main API hooks in the Clang-C Source Indexing
13 //===----------------------------------------------------------------------===//
16 #include "CIndexDiagnostic.h"
19 #include "CXSourceLocation.h"
21 #include "CXTranslationUnit.h"
23 #include "CursorVisitor.h"
24 #include "clang/AST/Attr.h"
25 #include "clang/AST/Mangle.h"
26 #include "clang/AST/StmtVisitor.h"
27 #include "clang/Basic/Diagnostic.h"
28 #include "clang/Basic/DiagnosticCategories.h"
29 #include "clang/Basic/DiagnosticIDs.h"
30 #include "clang/Basic/TargetInfo.h"
31 #include "clang/Basic/Version.h"
32 #include "clang/Frontend/ASTUnit.h"
33 #include "clang/Frontend/CompilerInstance.h"
34 #include "clang/Frontend/FrontendDiagnostic.h"
35 #include "clang/Index/CommentToXML.h"
36 #include "clang/Lex/HeaderSearch.h"
37 #include "clang/Lex/Lexer.h"
38 #include "clang/Lex/PreprocessingRecord.h"
39 #include "clang/Lex/Preprocessor.h"
40 #include "clang/Serialization/SerializationDiagnostic.h"
41 #include "llvm/ADT/Optional.h"
42 #include "llvm/ADT/STLExtras.h"
43 #include "llvm/ADT/StringSwitch.h"
44 #include "llvm/Config/llvm-config.h"
45 #include "llvm/IR/DataLayout.h"
46 #include "llvm/IR/Mangler.h"
47 #include "llvm/Support/Compiler.h"
48 #include "llvm/Support/CrashRecoveryContext.h"
49 #include "llvm/Support/Format.h"
50 #include "llvm/Support/ManagedStatic.h"
51 #include "llvm/Support/MemoryBuffer.h"
52 #include "llvm/Support/Mutex.h"
53 #include "llvm/Support/Program.h"
54 #include "llvm/Support/SaveAndRestore.h"
55 #include "llvm/Support/Signals.h"
56 #include "llvm/Support/TargetSelect.h"
57 #include "llvm/Support/Threading.h"
58 #include "llvm/Support/Timer.h"
59 #include "llvm/Support/raw_ostream.h"
61 #if LLVM_ENABLE_THREADS != 0 && defined(__APPLE__)
62 #define USE_DARWIN_THREADS
65 #ifdef USE_DARWIN_THREADS
69 using namespace clang;
70 using namespace clang::cxcursor;
71 using namespace clang::cxtu;
72 using namespace clang::cxindex;
74 CXTranslationUnit cxtu::MakeCXTranslationUnit(CIndexer *CIdx, ASTUnit *AU) {
78 CXTranslationUnit D = new CXTranslationUnitImpl();
81 D->StringPool = new cxstring::CXStringPool();
82 D->Diagnostics = nullptr;
83 D->OverridenCursorsPool = createOverridenCXCursorsPool();
84 D->CommentToXML = nullptr;
88 bool cxtu::isASTReadError(ASTUnit *AU) {
89 for (ASTUnit::stored_diag_iterator D = AU->stored_diag_begin(),
90 DEnd = AU->stored_diag_end();
92 if (D->getLevel() >= DiagnosticsEngine::Error &&
93 DiagnosticIDs::getCategoryNumberForDiag(D->getID()) ==
94 diag::DiagCat_AST_Deserialization_Issue)
100 cxtu::CXTUOwner::~CXTUOwner() {
102 clang_disposeTranslationUnit(TU);
105 /// \brief Compare two source ranges to determine their relative position in
106 /// the translation unit.
107 static RangeComparisonResult RangeCompare(SourceManager &SM,
110 assert(R1.isValid() && "First range is invalid?");
111 assert(R2.isValid() && "Second range is invalid?");
112 if (R1.getEnd() != R2.getBegin() &&
113 SM.isBeforeInTranslationUnit(R1.getEnd(), R2.getBegin()))
115 if (R2.getEnd() != R1.getBegin() &&
116 SM.isBeforeInTranslationUnit(R2.getEnd(), R1.getBegin()))
121 /// \brief Determine if a source location falls within, before, or after a
122 /// a given source range.
123 static RangeComparisonResult LocationCompare(SourceManager &SM,
124 SourceLocation L, SourceRange R) {
125 assert(R.isValid() && "First range is invalid?");
126 assert(L.isValid() && "Second range is invalid?");
127 if (L == R.getBegin() || L == R.getEnd())
129 if (SM.isBeforeInTranslationUnit(L, R.getBegin()))
131 if (SM.isBeforeInTranslationUnit(R.getEnd(), L))
136 /// \brief Translate a Clang source range into a CIndex source range.
138 /// Clang internally represents ranges where the end location points to the
139 /// start of the token at the end. However, for external clients it is more
140 /// useful to have a CXSourceRange be a proper half-open interval. This routine
141 /// does the appropriate translation.
142 CXSourceRange cxloc::translateSourceRange(const SourceManager &SM,
143 const LangOptions &LangOpts,
144 const CharSourceRange &R) {
145 // We want the last character in this location, so we will adjust the
146 // location accordingly.
147 SourceLocation EndLoc = R.getEnd();
148 if (EndLoc.isValid() && EndLoc.isMacroID() && !SM.isMacroArgExpansion(EndLoc))
149 EndLoc = SM.getExpansionRange(EndLoc).second;
150 if (R.isTokenRange() && EndLoc.isValid()) {
151 unsigned Length = Lexer::MeasureTokenLength(SM.getSpellingLoc(EndLoc),
153 EndLoc = EndLoc.getLocWithOffset(Length);
156 CXSourceRange Result = {
158 R.getBegin().getRawEncoding(),
159 EndLoc.getRawEncoding()
164 //===----------------------------------------------------------------------===//
166 //===----------------------------------------------------------------------===//
168 static SourceRange getRawCursorExtent(CXCursor C);
169 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr);
172 RangeComparisonResult CursorVisitor::CompareRegionOfInterest(SourceRange R) {
173 return RangeCompare(AU->getSourceManager(), R, RegionOfInterest);
176 /// \brief Visit the given cursor and, if requested by the visitor,
179 /// \param Cursor the cursor to visit.
181 /// \param CheckedRegionOfInterest if true, then the caller already checked
182 /// that this cursor is within the region of interest.
184 /// \returns true if the visitation should be aborted, false if it
186 bool CursorVisitor::Visit(CXCursor Cursor, bool CheckedRegionOfInterest) {
187 if (clang_isInvalid(Cursor.kind))
190 if (clang_isDeclaration(Cursor.kind)) {
191 const Decl *D = getCursorDecl(Cursor);
193 assert(0 && "Invalid declaration cursor");
194 return true; // abort.
197 // Ignore implicit declarations, unless it's an objc method because
198 // currently we should report implicit methods for properties when indexing.
199 if (D->isImplicit() && !isa<ObjCMethodDecl>(D))
203 // If we have a range of interest, and this cursor doesn't intersect with it,
205 if (RegionOfInterest.isValid() && !CheckedRegionOfInterest) {
206 SourceRange Range = getRawCursorExtent(Cursor);
207 if (Range.isInvalid() || CompareRegionOfInterest(Range))
211 switch (Visitor(Cursor, Parent, ClientData)) {
212 case CXChildVisit_Break:
215 case CXChildVisit_Continue:
218 case CXChildVisit_Recurse: {
219 bool ret = VisitChildren(Cursor);
220 if (PostChildrenVisitor)
221 if (PostChildrenVisitor(Cursor, ClientData))
227 llvm_unreachable("Invalid CXChildVisitResult!");
230 static bool visitPreprocessedEntitiesInRange(SourceRange R,
231 PreprocessingRecord &PPRec,
232 CursorVisitor &Visitor) {
233 SourceManager &SM = Visitor.getASTUnit()->getSourceManager();
236 if (!Visitor.shouldVisitIncludedEntities()) {
237 // If the begin/end of the range lie in the same FileID, do the optimization
238 // where we skip preprocessed entities that do not come from the same FileID.
239 FID = SM.getFileID(SM.getFileLoc(R.getBegin()));
240 if (FID != SM.getFileID(SM.getFileLoc(R.getEnd())))
244 const auto &Entities = PPRec.getPreprocessedEntitiesInRange(R);
245 return Visitor.visitPreprocessedEntities(Entities.begin(), Entities.end(),
249 bool CursorVisitor::visitFileRegion() {
250 if (RegionOfInterest.isInvalid())
253 ASTUnit *Unit = cxtu::getASTUnit(TU);
254 SourceManager &SM = Unit->getSourceManager();
256 std::pair<FileID, unsigned>
257 Begin = SM.getDecomposedLoc(SM.getFileLoc(RegionOfInterest.getBegin())),
258 End = SM.getDecomposedLoc(SM.getFileLoc(RegionOfInterest.getEnd()));
260 if (End.first != Begin.first) {
261 // If the end does not reside in the same file, try to recover by
262 // picking the end of the file of begin location.
263 End.first = Begin.first;
264 End.second = SM.getFileIDSize(Begin.first);
267 assert(Begin.first == End.first);
268 if (Begin.second > End.second)
271 FileID File = Begin.first;
272 unsigned Offset = Begin.second;
273 unsigned Length = End.second - Begin.second;
275 if (!VisitDeclsOnly && !VisitPreprocessorLast)
276 if (visitPreprocessedEntitiesInRegion())
277 return true; // visitation break.
279 if (visitDeclsFromFileRegion(File, Offset, Length))
280 return true; // visitation break.
282 if (!VisitDeclsOnly && VisitPreprocessorLast)
283 return visitPreprocessedEntitiesInRegion();
288 static bool isInLexicalContext(Decl *D, DeclContext *DC) {
292 for (DeclContext *DeclDC = D->getLexicalDeclContext();
293 DeclDC; DeclDC = DeclDC->getLexicalParent()) {
300 bool CursorVisitor::visitDeclsFromFileRegion(FileID File,
301 unsigned Offset, unsigned Length) {
302 ASTUnit *Unit = cxtu::getASTUnit(TU);
303 SourceManager &SM = Unit->getSourceManager();
304 SourceRange Range = RegionOfInterest;
306 SmallVector<Decl *, 16> Decls;
307 Unit->findFileRegionDecls(File, Offset, Length, Decls);
309 // If we didn't find any file level decls for the file, try looking at the
310 // file that it was included from.
311 while (Decls.empty() || Decls.front()->isTopLevelDeclInObjCContainer()) {
312 bool Invalid = false;
313 const SrcMgr::SLocEntry &SLEntry = SM.getSLocEntry(File, &Invalid);
317 SourceLocation Outer;
318 if (SLEntry.isFile())
319 Outer = SLEntry.getFile().getIncludeLoc();
321 Outer = SLEntry.getExpansion().getExpansionLocStart();
322 if (Outer.isInvalid())
325 std::tie(File, Offset) = SM.getDecomposedExpansionLoc(Outer);
327 Unit->findFileRegionDecls(File, Offset, Length, Decls);
330 assert(!Decls.empty());
332 bool VisitedAtLeastOnce = false;
333 DeclContext *CurDC = nullptr;
334 SmallVectorImpl<Decl *>::iterator DIt = Decls.begin();
335 for (SmallVectorImpl<Decl *>::iterator DE = Decls.end(); DIt != DE; ++DIt) {
337 if (D->getSourceRange().isInvalid())
340 if (isInLexicalContext(D, CurDC))
343 CurDC = dyn_cast<DeclContext>(D);
345 if (TagDecl *TD = dyn_cast<TagDecl>(D))
346 if (!TD->isFreeStanding())
349 RangeComparisonResult CompRes = RangeCompare(SM, D->getSourceRange(),Range);
350 if (CompRes == RangeBefore)
352 if (CompRes == RangeAfter)
355 assert(CompRes == RangeOverlap);
356 VisitedAtLeastOnce = true;
358 if (isa<ObjCContainerDecl>(D)) {
359 FileDI_current = &DIt;
362 FileDI_current = nullptr;
365 if (Visit(MakeCXCursor(D, TU, Range), /*CheckedRegionOfInterest=*/true))
366 return true; // visitation break.
369 if (VisitedAtLeastOnce)
372 // No Decls overlapped with the range. Move up the lexical context until there
373 // is a context that contains the range or we reach the translation unit
375 DeclContext *DC = DIt == Decls.begin() ? (*DIt)->getLexicalDeclContext()
376 : (*(DIt-1))->getLexicalDeclContext();
378 while (DC && !DC->isTranslationUnit()) {
379 Decl *D = cast<Decl>(DC);
380 SourceRange CurDeclRange = D->getSourceRange();
381 if (CurDeclRange.isInvalid())
384 if (RangeCompare(SM, CurDeclRange, Range) == RangeOverlap) {
385 if (Visit(MakeCXCursor(D, TU, Range), /*CheckedRegionOfInterest=*/true))
386 return true; // visitation break.
389 DC = D->getLexicalDeclContext();
395 bool CursorVisitor::visitPreprocessedEntitiesInRegion() {
396 if (!AU->getPreprocessor().getPreprocessingRecord())
399 PreprocessingRecord &PPRec
400 = *AU->getPreprocessor().getPreprocessingRecord();
401 SourceManager &SM = AU->getSourceManager();
403 if (RegionOfInterest.isValid()) {
404 SourceRange MappedRange = AU->mapRangeToPreamble(RegionOfInterest);
405 SourceLocation B = MappedRange.getBegin();
406 SourceLocation E = MappedRange.getEnd();
408 if (AU->isInPreambleFileID(B)) {
409 if (SM.isLoadedSourceLocation(E))
410 return visitPreprocessedEntitiesInRange(SourceRange(B, E),
413 // Beginning of range lies in the preamble but it also extends beyond
414 // it into the main file. Split the range into 2 parts, one covering
415 // the preamble and another covering the main file. This allows subsequent
416 // calls to visitPreprocessedEntitiesInRange to accept a source range that
417 // lies in the same FileID, allowing it to skip preprocessed entities that
418 // do not come from the same FileID.
420 visitPreprocessedEntitiesInRange(
421 SourceRange(B, AU->getEndOfPreambleFileID()),
423 if (breaked) return true;
424 return visitPreprocessedEntitiesInRange(
425 SourceRange(AU->getStartOfMainFileID(), E),
429 return visitPreprocessedEntitiesInRange(SourceRange(B, E), PPRec, *this);
433 = !AU->isMainFileAST() && AU->getOnlyLocalDecls();
436 return visitPreprocessedEntities(PPRec.local_begin(), PPRec.local_end(),
439 return visitPreprocessedEntities(PPRec.begin(), PPRec.end(), PPRec);
442 template<typename InputIterator>
443 bool CursorVisitor::visitPreprocessedEntities(InputIterator First,
445 PreprocessingRecord &PPRec,
447 for (; First != Last; ++First) {
448 if (!FID.isInvalid() && !PPRec.isEntityInFileID(First, FID))
451 PreprocessedEntity *PPE = *First;
455 if (MacroExpansion *ME = dyn_cast<MacroExpansion>(PPE)) {
456 if (Visit(MakeMacroExpansionCursor(ME, TU)))
462 if (MacroDefinitionRecord *MD = dyn_cast<MacroDefinitionRecord>(PPE)) {
463 if (Visit(MakeMacroDefinitionCursor(MD, TU)))
469 if (InclusionDirective *ID = dyn_cast<InclusionDirective>(PPE)) {
470 if (Visit(MakeInclusionDirectiveCursor(ID, TU)))
480 /// \brief Visit the children of the given cursor.
482 /// \returns true if the visitation should be aborted, false if it
484 bool CursorVisitor::VisitChildren(CXCursor Cursor) {
485 if (clang_isReference(Cursor.kind) &&
486 Cursor.kind != CXCursor_CXXBaseSpecifier) {
487 // By definition, references have no children.
491 // Set the Parent field to Cursor, then back to its old value once we're
493 SetParentRAII SetParent(Parent, StmtParent, Cursor);
495 if (clang_isDeclaration(Cursor.kind)) {
496 Decl *D = const_cast<Decl *>(getCursorDecl(Cursor));
500 return VisitAttributes(D) || Visit(D);
503 if (clang_isStatement(Cursor.kind)) {
504 if (const Stmt *S = getCursorStmt(Cursor))
510 if (clang_isExpression(Cursor.kind)) {
511 if (const Expr *E = getCursorExpr(Cursor))
517 if (clang_isTranslationUnit(Cursor.kind)) {
518 CXTranslationUnit TU = getCursorTU(Cursor);
519 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
521 int VisitOrder[2] = { VisitPreprocessorLast, !VisitPreprocessorLast };
522 for (unsigned I = 0; I != 2; ++I) {
524 if (!CXXUnit->isMainFileAST() && CXXUnit->getOnlyLocalDecls() &&
525 RegionOfInterest.isInvalid()) {
526 for (ASTUnit::top_level_iterator TL = CXXUnit->top_level_begin(),
527 TLEnd = CXXUnit->top_level_end();
529 if (Visit(MakeCXCursor(*TL, TU, RegionOfInterest), true))
532 } else if (VisitDeclContext(
533 CXXUnit->getASTContext().getTranslationUnitDecl()))
538 // Walk the preprocessing record.
539 if (CXXUnit->getPreprocessor().getPreprocessingRecord())
540 visitPreprocessedEntitiesInRegion();
546 if (Cursor.kind == CXCursor_CXXBaseSpecifier) {
547 if (const CXXBaseSpecifier *Base = getCursorCXXBaseSpecifier(Cursor)) {
548 if (TypeSourceInfo *BaseTSInfo = Base->getTypeSourceInfo()) {
549 return Visit(BaseTSInfo->getTypeLoc());
554 if (Cursor.kind == CXCursor_IBOutletCollectionAttr) {
555 const IBOutletCollectionAttr *A =
556 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(Cursor));
557 if (const ObjCObjectType *ObjT = A->getInterface()->getAs<ObjCObjectType>())
558 return Visit(cxcursor::MakeCursorObjCClassRef(
559 ObjT->getInterface(),
560 A->getInterfaceLoc()->getTypeLoc().getLocStart(), TU));
563 // If pointing inside a macro definition, check if the token is an identifier
564 // that was ever defined as a macro. In such a case, create a "pseudo" macro
565 // expansion cursor for that token.
566 SourceLocation BeginLoc = RegionOfInterest.getBegin();
567 if (Cursor.kind == CXCursor_MacroDefinition &&
568 BeginLoc == RegionOfInterest.getEnd()) {
569 SourceLocation Loc = AU->mapLocationToPreamble(BeginLoc);
570 const MacroInfo *MI =
571 getMacroInfo(cxcursor::getCursorMacroDefinition(Cursor), TU);
572 if (MacroDefinitionRecord *MacroDef =
573 checkForMacroInMacroDefinition(MI, Loc, TU))
574 return Visit(cxcursor::MakeMacroExpansionCursor(MacroDef, BeginLoc, TU));
577 // Nothing to visit at the moment.
581 bool CursorVisitor::VisitBlockDecl(BlockDecl *B) {
582 if (TypeSourceInfo *TSInfo = B->getSignatureAsWritten())
583 if (Visit(TSInfo->getTypeLoc()))
586 if (Stmt *Body = B->getBody())
587 return Visit(MakeCXCursor(Body, StmtParent, TU, RegionOfInterest));
592 Optional<bool> CursorVisitor::shouldVisitCursor(CXCursor Cursor) {
593 if (RegionOfInterest.isValid()) {
594 SourceRange Range = getFullCursorExtent(Cursor, AU->getSourceManager());
595 if (Range.isInvalid())
598 switch (CompareRegionOfInterest(Range)) {
600 // This declaration comes before the region of interest; skip it.
604 // This declaration comes after the region of interest; we're done.
608 // This declaration overlaps the region of interest; visit it.
615 bool CursorVisitor::VisitDeclContext(DeclContext *DC) {
616 DeclContext::decl_iterator I = DC->decls_begin(), E = DC->decls_end();
618 // FIXME: Eventually remove. This part of a hack to support proper
619 // iteration over all Decls contained lexically within an ObjC container.
620 SaveAndRestore<DeclContext::decl_iterator*> DI_saved(DI_current, &I);
621 SaveAndRestore<DeclContext::decl_iterator> DE_saved(DE_current, E);
623 for ( ; I != E; ++I) {
625 if (D->getLexicalDeclContext() != DC)
627 CXCursor Cursor = MakeCXCursor(D, TU, RegionOfInterest);
629 // Ignore synthesized ivars here, otherwise if we have something like:
630 // @synthesize prop = _prop;
631 // and '_prop' is not declared, we will encounter a '_prop' ivar before
632 // encountering the 'prop' synthesize declaration and we will think that
633 // we passed the region-of-interest.
634 if (ObjCIvarDecl *ivarD = dyn_cast<ObjCIvarDecl>(D)) {
635 if (ivarD->getSynthesize())
639 // FIXME: ObjCClassRef/ObjCProtocolRef for forward class/protocol
640 // declarations is a mismatch with the compiler semantics.
641 if (Cursor.kind == CXCursor_ObjCInterfaceDecl) {
642 ObjCInterfaceDecl *ID = cast<ObjCInterfaceDecl>(D);
643 if (!ID->isThisDeclarationADefinition())
644 Cursor = MakeCursorObjCClassRef(ID, ID->getLocation(), TU);
646 } else if (Cursor.kind == CXCursor_ObjCProtocolDecl) {
647 ObjCProtocolDecl *PD = cast<ObjCProtocolDecl>(D);
648 if (!PD->isThisDeclarationADefinition())
649 Cursor = MakeCursorObjCProtocolRef(PD, PD->getLocation(), TU);
652 const Optional<bool> &V = shouldVisitCursor(Cursor);
657 if (Visit(Cursor, true))
663 bool CursorVisitor::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
664 llvm_unreachable("Translation units are visited directly by Visit()");
667 bool CursorVisitor::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) {
668 if (VisitTemplateParameters(D->getTemplateParameters()))
671 return Visit(MakeCXCursor(D->getTemplatedDecl(), TU, RegionOfInterest));
674 bool CursorVisitor::VisitTypeAliasDecl(TypeAliasDecl *D) {
675 if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
676 return Visit(TSInfo->getTypeLoc());
681 bool CursorVisitor::VisitTypedefDecl(TypedefDecl *D) {
682 if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
683 return Visit(TSInfo->getTypeLoc());
688 bool CursorVisitor::VisitTagDecl(TagDecl *D) {
689 return VisitDeclContext(D);
692 bool CursorVisitor::VisitClassTemplateSpecializationDecl(
693 ClassTemplateSpecializationDecl *D) {
694 bool ShouldVisitBody = false;
695 switch (D->getSpecializationKind()) {
697 case TSK_ImplicitInstantiation:
701 case TSK_ExplicitInstantiationDeclaration:
702 case TSK_ExplicitInstantiationDefinition:
705 case TSK_ExplicitSpecialization:
706 ShouldVisitBody = true;
710 // Visit the template arguments used in the specialization.
711 if (TypeSourceInfo *SpecType = D->getTypeAsWritten()) {
712 TypeLoc TL = SpecType->getTypeLoc();
713 if (TemplateSpecializationTypeLoc TSTLoc =
714 TL.getAs<TemplateSpecializationTypeLoc>()) {
715 for (unsigned I = 0, N = TSTLoc.getNumArgs(); I != N; ++I)
716 if (VisitTemplateArgumentLoc(TSTLoc.getArgLoc(I)))
721 return ShouldVisitBody && VisitCXXRecordDecl(D);
724 bool CursorVisitor::VisitClassTemplatePartialSpecializationDecl(
725 ClassTemplatePartialSpecializationDecl *D) {
726 // FIXME: Visit the "outer" template parameter lists on the TagDecl
727 // before visiting these template parameters.
728 if (VisitTemplateParameters(D->getTemplateParameters()))
731 // Visit the partial specialization arguments.
732 const ASTTemplateArgumentListInfo *Info = D->getTemplateArgsAsWritten();
733 const TemplateArgumentLoc *TemplateArgs = Info->getTemplateArgs();
734 for (unsigned I = 0, N = Info->NumTemplateArgs; I != N; ++I)
735 if (VisitTemplateArgumentLoc(TemplateArgs[I]))
738 return VisitCXXRecordDecl(D);
741 bool CursorVisitor::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
742 // Visit the default argument.
743 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
744 if (TypeSourceInfo *DefArg = D->getDefaultArgumentInfo())
745 if (Visit(DefArg->getTypeLoc()))
751 bool CursorVisitor::VisitEnumConstantDecl(EnumConstantDecl *D) {
752 if (Expr *Init = D->getInitExpr())
753 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
757 bool CursorVisitor::VisitDeclaratorDecl(DeclaratorDecl *DD) {
758 unsigned NumParamList = DD->getNumTemplateParameterLists();
759 for (unsigned i = 0; i < NumParamList; i++) {
760 TemplateParameterList* Params = DD->getTemplateParameterList(i);
761 if (VisitTemplateParameters(Params))
765 if (TypeSourceInfo *TSInfo = DD->getTypeSourceInfo())
766 if (Visit(TSInfo->getTypeLoc()))
769 // Visit the nested-name-specifier, if present.
770 if (NestedNameSpecifierLoc QualifierLoc = DD->getQualifierLoc())
771 if (VisitNestedNameSpecifierLoc(QualifierLoc))
777 /// \brief Compare two base or member initializers based on their source order.
778 static int CompareCXXCtorInitializers(CXXCtorInitializer *const *X,
779 CXXCtorInitializer *const *Y) {
780 return (*X)->getSourceOrder() - (*Y)->getSourceOrder();
783 bool CursorVisitor::VisitFunctionDecl(FunctionDecl *ND) {
784 unsigned NumParamList = ND->getNumTemplateParameterLists();
785 for (unsigned i = 0; i < NumParamList; i++) {
786 TemplateParameterList* Params = ND->getTemplateParameterList(i);
787 if (VisitTemplateParameters(Params))
791 if (TypeSourceInfo *TSInfo = ND->getTypeSourceInfo()) {
792 // Visit the function declaration's syntactic components in the order
793 // written. This requires a bit of work.
794 TypeLoc TL = TSInfo->getTypeLoc().IgnoreParens();
795 FunctionTypeLoc FTL = TL.getAs<FunctionTypeLoc>();
797 // If we have a function declared directly (without the use of a typedef),
798 // visit just the return type. Otherwise, just visit the function's type
800 if ((FTL && !isa<CXXConversionDecl>(ND) && Visit(FTL.getReturnLoc())) ||
804 // Visit the nested-name-specifier, if present.
805 if (NestedNameSpecifierLoc QualifierLoc = ND->getQualifierLoc())
806 if (VisitNestedNameSpecifierLoc(QualifierLoc))
809 // Visit the declaration name.
810 if (!isa<CXXDestructorDecl>(ND))
811 if (VisitDeclarationNameInfo(ND->getNameInfo()))
814 // FIXME: Visit explicitly-specified template arguments!
816 // Visit the function parameters, if we have a function type.
817 if (FTL && VisitFunctionTypeLoc(FTL, true))
820 // FIXME: Attributes?
823 if (ND->doesThisDeclarationHaveABody() && !ND->isLateTemplateParsed()) {
824 if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(ND)) {
825 // Find the initializers that were written in the source.
826 SmallVector<CXXCtorInitializer *, 4> WrittenInits;
827 for (auto *I : Constructor->inits()) {
831 WrittenInits.push_back(I);
834 // Sort the initializers in source order
835 llvm::array_pod_sort(WrittenInits.begin(), WrittenInits.end(),
836 &CompareCXXCtorInitializers);
838 // Visit the initializers in source order
839 for (unsigned I = 0, N = WrittenInits.size(); I != N; ++I) {
840 CXXCtorInitializer *Init = WrittenInits[I];
841 if (Init->isAnyMemberInitializer()) {
842 if (Visit(MakeCursorMemberRef(Init->getAnyMember(),
843 Init->getMemberLocation(), TU)))
845 } else if (TypeSourceInfo *TInfo = Init->getTypeSourceInfo()) {
846 if (Visit(TInfo->getTypeLoc()))
850 // Visit the initializer value.
851 if (Expr *Initializer = Init->getInit())
852 if (Visit(MakeCXCursor(Initializer, ND, TU, RegionOfInterest)))
857 if (Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest)))
864 bool CursorVisitor::VisitFieldDecl(FieldDecl *D) {
865 if (VisitDeclaratorDecl(D))
868 if (Expr *BitWidth = D->getBitWidth())
869 return Visit(MakeCXCursor(BitWidth, StmtParent, TU, RegionOfInterest));
874 bool CursorVisitor::VisitVarDecl(VarDecl *D) {
875 if (VisitDeclaratorDecl(D))
878 if (Expr *Init = D->getInit())
879 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
884 bool CursorVisitor::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
885 if (VisitDeclaratorDecl(D))
888 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
889 if (Expr *DefArg = D->getDefaultArgument())
890 return Visit(MakeCXCursor(DefArg, StmtParent, TU, RegionOfInterest));
895 bool CursorVisitor::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
896 // FIXME: Visit the "outer" template parameter lists on the FunctionDecl
897 // before visiting these template parameters.
898 if (VisitTemplateParameters(D->getTemplateParameters()))
901 return VisitFunctionDecl(D->getTemplatedDecl());
904 bool CursorVisitor::VisitClassTemplateDecl(ClassTemplateDecl *D) {
905 // FIXME: Visit the "outer" template parameter lists on the TagDecl
906 // before visiting these template parameters.
907 if (VisitTemplateParameters(D->getTemplateParameters()))
910 return VisitCXXRecordDecl(D->getTemplatedDecl());
913 bool CursorVisitor::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
914 if (VisitTemplateParameters(D->getTemplateParameters()))
917 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited() &&
918 VisitTemplateArgumentLoc(D->getDefaultArgument()))
924 bool CursorVisitor::VisitObjCTypeParamDecl(ObjCTypeParamDecl *D) {
925 // Visit the bound, if it's explicit.
926 if (D->hasExplicitBound()) {
927 if (auto TInfo = D->getTypeSourceInfo()) {
928 if (Visit(TInfo->getTypeLoc()))
936 bool CursorVisitor::VisitObjCMethodDecl(ObjCMethodDecl *ND) {
937 if (TypeSourceInfo *TSInfo = ND->getReturnTypeSourceInfo())
938 if (Visit(TSInfo->getTypeLoc()))
941 for (const auto *P : ND->params()) {
942 if (Visit(MakeCXCursor(P, TU, RegionOfInterest)))
946 return ND->isThisDeclarationADefinition() &&
947 Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest));
950 template <typename DeclIt>
951 static void addRangedDeclsInContainer(DeclIt *DI_current, DeclIt DE_current,
952 SourceManager &SM, SourceLocation EndLoc,
953 SmallVectorImpl<Decl *> &Decls) {
954 DeclIt next = *DI_current;
955 while (++next != DE_current) {
956 Decl *D_next = *next;
959 SourceLocation L = D_next->getLocStart();
962 if (SM.isBeforeInTranslationUnit(L, EndLoc)) {
964 Decls.push_back(D_next);
971 bool CursorVisitor::VisitObjCContainerDecl(ObjCContainerDecl *D) {
972 // FIXME: Eventually convert back to just 'VisitDeclContext()'. Essentially
973 // an @implementation can lexically contain Decls that are not properly
974 // nested in the AST. When we identify such cases, we need to retrofit
975 // this nesting here.
976 if (!DI_current && !FileDI_current)
977 return VisitDeclContext(D);
979 // Scan the Decls that immediately come after the container
980 // in the current DeclContext. If any fall within the
981 // container's lexical region, stash them into a vector
982 // for later processing.
983 SmallVector<Decl *, 24> DeclsInContainer;
984 SourceLocation EndLoc = D->getSourceRange().getEnd();
985 SourceManager &SM = AU->getSourceManager();
986 if (EndLoc.isValid()) {
988 addRangedDeclsInContainer(DI_current, DE_current, SM, EndLoc,
991 addRangedDeclsInContainer(FileDI_current, FileDE_current, SM, EndLoc,
997 if (DeclsInContainer.empty())
998 return VisitDeclContext(D);
1000 // Get all the Decls in the DeclContext, and sort them with the
1001 // additional ones we've collected. Then visit them.
1002 for (auto *SubDecl : D->decls()) {
1003 if (!SubDecl || SubDecl->getLexicalDeclContext() != D ||
1004 SubDecl->getLocStart().isInvalid())
1006 DeclsInContainer.push_back(SubDecl);
1009 // Now sort the Decls so that they appear in lexical order.
1010 std::sort(DeclsInContainer.begin(), DeclsInContainer.end(),
1011 [&SM](Decl *A, Decl *B) {
1012 SourceLocation L_A = A->getLocStart();
1013 SourceLocation L_B = B->getLocStart();
1014 assert(L_A.isValid() && L_B.isValid());
1015 return SM.isBeforeInTranslationUnit(L_A, L_B);
1018 // Now visit the decls.
1019 for (SmallVectorImpl<Decl*>::iterator I = DeclsInContainer.begin(),
1020 E = DeclsInContainer.end(); I != E; ++I) {
1021 CXCursor Cursor = MakeCXCursor(*I, TU, RegionOfInterest);
1022 const Optional<bool> &V = shouldVisitCursor(Cursor);
1027 if (Visit(Cursor, true))
1033 bool CursorVisitor::VisitObjCCategoryDecl(ObjCCategoryDecl *ND) {
1034 if (Visit(MakeCursorObjCClassRef(ND->getClassInterface(), ND->getLocation(),
1038 if (VisitObjCTypeParamList(ND->getTypeParamList()))
1041 ObjCCategoryDecl::protocol_loc_iterator PL = ND->protocol_loc_begin();
1042 for (ObjCCategoryDecl::protocol_iterator I = ND->protocol_begin(),
1043 E = ND->protocol_end(); I != E; ++I, ++PL)
1044 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1047 return VisitObjCContainerDecl(ND);
1050 bool CursorVisitor::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
1051 if (!PID->isThisDeclarationADefinition())
1052 return Visit(MakeCursorObjCProtocolRef(PID, PID->getLocation(), TU));
1054 ObjCProtocolDecl::protocol_loc_iterator PL = PID->protocol_loc_begin();
1055 for (ObjCProtocolDecl::protocol_iterator I = PID->protocol_begin(),
1056 E = PID->protocol_end(); I != E; ++I, ++PL)
1057 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1060 return VisitObjCContainerDecl(PID);
1063 bool CursorVisitor::VisitObjCPropertyDecl(ObjCPropertyDecl *PD) {
1064 if (PD->getTypeSourceInfo() && Visit(PD->getTypeSourceInfo()->getTypeLoc()))
1067 // FIXME: This implements a workaround with @property declarations also being
1068 // installed in the DeclContext for the @interface. Eventually this code
1069 // should be removed.
1070 ObjCCategoryDecl *CDecl = dyn_cast<ObjCCategoryDecl>(PD->getDeclContext());
1071 if (!CDecl || !CDecl->IsClassExtension())
1074 ObjCInterfaceDecl *ID = CDecl->getClassInterface();
1078 IdentifierInfo *PropertyId = PD->getIdentifier();
1079 ObjCPropertyDecl *prevDecl =
1080 ObjCPropertyDecl::findPropertyDecl(cast<DeclContext>(ID), PropertyId);
1085 // Visit synthesized methods since they will be skipped when visiting
1087 if (ObjCMethodDecl *MD = prevDecl->getGetterMethodDecl())
1088 if (MD->isPropertyAccessor() && MD->getLexicalDeclContext() == CDecl)
1089 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
1092 if (ObjCMethodDecl *MD = prevDecl->getSetterMethodDecl())
1093 if (MD->isPropertyAccessor() && MD->getLexicalDeclContext() == CDecl)
1094 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
1100 bool CursorVisitor::VisitObjCTypeParamList(ObjCTypeParamList *typeParamList) {
1104 for (auto *typeParam : *typeParamList) {
1105 // Visit the type parameter.
1106 if (Visit(MakeCXCursor(typeParam, TU, RegionOfInterest)))
1113 bool CursorVisitor::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) {
1114 if (!D->isThisDeclarationADefinition()) {
1115 // Forward declaration is treated like a reference.
1116 return Visit(MakeCursorObjCClassRef(D, D->getLocation(), TU));
1119 // Objective-C type parameters.
1120 if (VisitObjCTypeParamList(D->getTypeParamListAsWritten()))
1123 // Issue callbacks for super class.
1124 if (D->getSuperClass() &&
1125 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1126 D->getSuperClassLoc(),
1130 if (TypeSourceInfo *SuperClassTInfo = D->getSuperClassTInfo())
1131 if (Visit(SuperClassTInfo->getTypeLoc()))
1134 ObjCInterfaceDecl::protocol_loc_iterator PL = D->protocol_loc_begin();
1135 for (ObjCInterfaceDecl::protocol_iterator I = D->protocol_begin(),
1136 E = D->protocol_end(); I != E; ++I, ++PL)
1137 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1140 return VisitObjCContainerDecl(D);
1143 bool CursorVisitor::VisitObjCImplDecl(ObjCImplDecl *D) {
1144 return VisitObjCContainerDecl(D);
1147 bool CursorVisitor::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
1148 // 'ID' could be null when dealing with invalid code.
1149 if (ObjCInterfaceDecl *ID = D->getClassInterface())
1150 if (Visit(MakeCursorObjCClassRef(ID, D->getLocation(), TU)))
1153 return VisitObjCImplDecl(D);
1156 bool CursorVisitor::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
1158 // Issue callbacks for super class.
1159 // FIXME: No source location information!
1160 if (D->getSuperClass() &&
1161 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1162 D->getSuperClassLoc(),
1167 return VisitObjCImplDecl(D);
1170 bool CursorVisitor::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PD) {
1171 if (ObjCIvarDecl *Ivar = PD->getPropertyIvarDecl())
1172 if (PD->isIvarNameSpecified())
1173 return Visit(MakeCursorMemberRef(Ivar, PD->getPropertyIvarDeclLoc(), TU));
1178 bool CursorVisitor::VisitNamespaceDecl(NamespaceDecl *D) {
1179 return VisitDeclContext(D);
1182 bool CursorVisitor::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
1183 // Visit nested-name-specifier.
1184 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1185 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1188 return Visit(MakeCursorNamespaceRef(D->getAliasedNamespace(),
1189 D->getTargetNameLoc(), TU));
1192 bool CursorVisitor::VisitUsingDecl(UsingDecl *D) {
1193 // Visit nested-name-specifier.
1194 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1195 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1199 if (Visit(MakeCursorOverloadedDeclRef(D, D->getLocation(), TU)))
1202 return VisitDeclarationNameInfo(D->getNameInfo());
1205 bool CursorVisitor::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
1206 // Visit nested-name-specifier.
1207 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1208 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1211 return Visit(MakeCursorNamespaceRef(D->getNominatedNamespaceAsWritten(),
1212 D->getIdentLocation(), TU));
1215 bool CursorVisitor::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
1216 // Visit nested-name-specifier.
1217 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1218 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1222 return VisitDeclarationNameInfo(D->getNameInfo());
1225 bool CursorVisitor::VisitUnresolvedUsingTypenameDecl(
1226 UnresolvedUsingTypenameDecl *D) {
1227 // Visit nested-name-specifier.
1228 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1229 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1235 bool CursorVisitor::VisitDeclarationNameInfo(DeclarationNameInfo Name) {
1236 switch (Name.getName().getNameKind()) {
1237 case clang::DeclarationName::Identifier:
1238 case clang::DeclarationName::CXXLiteralOperatorName:
1239 case clang::DeclarationName::CXXOperatorName:
1240 case clang::DeclarationName::CXXUsingDirective:
1243 case clang::DeclarationName::CXXConstructorName:
1244 case clang::DeclarationName::CXXDestructorName:
1245 case clang::DeclarationName::CXXConversionFunctionName:
1246 if (TypeSourceInfo *TSInfo = Name.getNamedTypeInfo())
1247 return Visit(TSInfo->getTypeLoc());
1250 case clang::DeclarationName::ObjCZeroArgSelector:
1251 case clang::DeclarationName::ObjCOneArgSelector:
1252 case clang::DeclarationName::ObjCMultiArgSelector:
1253 // FIXME: Per-identifier location info?
1257 llvm_unreachable("Invalid DeclarationName::Kind!");
1260 bool CursorVisitor::VisitNestedNameSpecifier(NestedNameSpecifier *NNS,
1261 SourceRange Range) {
1262 // FIXME: This whole routine is a hack to work around the lack of proper
1263 // source information in nested-name-specifiers (PR5791). Since we do have
1264 // a beginning source location, we can visit the first component of the
1265 // nested-name-specifier, if it's a single-token component.
1269 // Get the first component in the nested-name-specifier.
1270 while (NestedNameSpecifier *Prefix = NNS->getPrefix())
1273 switch (NNS->getKind()) {
1274 case NestedNameSpecifier::Namespace:
1275 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(), Range.getBegin(),
1278 case NestedNameSpecifier::NamespaceAlias:
1279 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1280 Range.getBegin(), TU));
1282 case NestedNameSpecifier::TypeSpec: {
1283 // If the type has a form where we know that the beginning of the source
1284 // range matches up with a reference cursor. Visit the appropriate reference
1286 const Type *T = NNS->getAsType();
1287 if (const TypedefType *Typedef = dyn_cast<TypedefType>(T))
1288 return Visit(MakeCursorTypeRef(Typedef->getDecl(), Range.getBegin(), TU));
1289 if (const TagType *Tag = dyn_cast<TagType>(T))
1290 return Visit(MakeCursorTypeRef(Tag->getDecl(), Range.getBegin(), TU));
1291 if (const TemplateSpecializationType *TST
1292 = dyn_cast<TemplateSpecializationType>(T))
1293 return VisitTemplateName(TST->getTemplateName(), Range.getBegin());
1297 case NestedNameSpecifier::TypeSpecWithTemplate:
1298 case NestedNameSpecifier::Global:
1299 case NestedNameSpecifier::Identifier:
1300 case NestedNameSpecifier::Super:
1308 CursorVisitor::VisitNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1309 SmallVector<NestedNameSpecifierLoc, 4> Qualifiers;
1310 for (; Qualifier; Qualifier = Qualifier.getPrefix())
1311 Qualifiers.push_back(Qualifier);
1313 while (!Qualifiers.empty()) {
1314 NestedNameSpecifierLoc Q = Qualifiers.pop_back_val();
1315 NestedNameSpecifier *NNS = Q.getNestedNameSpecifier();
1316 switch (NNS->getKind()) {
1317 case NestedNameSpecifier::Namespace:
1318 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(),
1319 Q.getLocalBeginLoc(),
1325 case NestedNameSpecifier::NamespaceAlias:
1326 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1327 Q.getLocalBeginLoc(),
1333 case NestedNameSpecifier::TypeSpec:
1334 case NestedNameSpecifier::TypeSpecWithTemplate:
1335 if (Visit(Q.getTypeLoc()))
1340 case NestedNameSpecifier::Global:
1341 case NestedNameSpecifier::Identifier:
1342 case NestedNameSpecifier::Super:
1350 bool CursorVisitor::VisitTemplateParameters(
1351 const TemplateParameterList *Params) {
1355 for (TemplateParameterList::const_iterator P = Params->begin(),
1356 PEnd = Params->end();
1358 if (Visit(MakeCXCursor(*P, TU, RegionOfInterest)))
1365 bool CursorVisitor::VisitTemplateName(TemplateName Name, SourceLocation Loc) {
1366 switch (Name.getKind()) {
1367 case TemplateName::Template:
1368 return Visit(MakeCursorTemplateRef(Name.getAsTemplateDecl(), Loc, TU));
1370 case TemplateName::OverloadedTemplate:
1371 // Visit the overloaded template set.
1372 if (Visit(MakeCursorOverloadedDeclRef(Name, Loc, TU)))
1377 case TemplateName::DependentTemplate:
1378 // FIXME: Visit nested-name-specifier.
1381 case TemplateName::QualifiedTemplate:
1382 // FIXME: Visit nested-name-specifier.
1383 return Visit(MakeCursorTemplateRef(
1384 Name.getAsQualifiedTemplateName()->getDecl(),
1387 case TemplateName::SubstTemplateTemplateParm:
1388 return Visit(MakeCursorTemplateRef(
1389 Name.getAsSubstTemplateTemplateParm()->getParameter(),
1392 case TemplateName::SubstTemplateTemplateParmPack:
1393 return Visit(MakeCursorTemplateRef(
1394 Name.getAsSubstTemplateTemplateParmPack()->getParameterPack(),
1398 llvm_unreachable("Invalid TemplateName::Kind!");
1401 bool CursorVisitor::VisitTemplateArgumentLoc(const TemplateArgumentLoc &TAL) {
1402 switch (TAL.getArgument().getKind()) {
1403 case TemplateArgument::Null:
1404 case TemplateArgument::Integral:
1405 case TemplateArgument::Pack:
1408 case TemplateArgument::Type:
1409 if (TypeSourceInfo *TSInfo = TAL.getTypeSourceInfo())
1410 return Visit(TSInfo->getTypeLoc());
1413 case TemplateArgument::Declaration:
1414 if (Expr *E = TAL.getSourceDeclExpression())
1415 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1418 case TemplateArgument::NullPtr:
1419 if (Expr *E = TAL.getSourceNullPtrExpression())
1420 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1423 case TemplateArgument::Expression:
1424 if (Expr *E = TAL.getSourceExpression())
1425 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1428 case TemplateArgument::Template:
1429 case TemplateArgument::TemplateExpansion:
1430 if (VisitNestedNameSpecifierLoc(TAL.getTemplateQualifierLoc()))
1433 return VisitTemplateName(TAL.getArgument().getAsTemplateOrTemplatePattern(),
1434 TAL.getTemplateNameLoc());
1437 llvm_unreachable("Invalid TemplateArgument::Kind!");
1440 bool CursorVisitor::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
1441 return VisitDeclContext(D);
1444 bool CursorVisitor::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) {
1445 return Visit(TL.getUnqualifiedLoc());
1448 bool CursorVisitor::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) {
1449 ASTContext &Context = AU->getASTContext();
1451 // Some builtin types (such as Objective-C's "id", "sel", and
1452 // "Class") have associated declarations. Create cursors for those.
1454 switch (TL.getTypePtr()->getKind()) {
1456 case BuiltinType::Void:
1457 case BuiltinType::NullPtr:
1458 case BuiltinType::Dependent:
1459 case BuiltinType::OCLImage1d:
1460 case BuiltinType::OCLImage1dArray:
1461 case BuiltinType::OCLImage1dBuffer:
1462 case BuiltinType::OCLImage2d:
1463 case BuiltinType::OCLImage2dArray:
1464 case BuiltinType::OCLImage2dDepth:
1465 case BuiltinType::OCLImage2dArrayDepth:
1466 case BuiltinType::OCLImage2dMSAA:
1467 case BuiltinType::OCLImage2dArrayMSAA:
1468 case BuiltinType::OCLImage2dMSAADepth:
1469 case BuiltinType::OCLImage2dArrayMSAADepth:
1470 case BuiltinType::OCLImage3d:
1471 case BuiltinType::OCLSampler:
1472 case BuiltinType::OCLEvent:
1473 case BuiltinType::OCLClkEvent:
1474 case BuiltinType::OCLQueue:
1475 case BuiltinType::OCLNDRange:
1476 case BuiltinType::OCLReserveID:
1477 #define BUILTIN_TYPE(Id, SingletonId)
1478 #define SIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1479 #define UNSIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1480 #define FLOATING_TYPE(Id, SingletonId) case BuiltinType::Id:
1481 #define PLACEHOLDER_TYPE(Id, SingletonId) case BuiltinType::Id:
1482 #include "clang/AST/BuiltinTypes.def"
1485 case BuiltinType::ObjCId:
1486 VisitType = Context.getObjCIdType();
1489 case BuiltinType::ObjCClass:
1490 VisitType = Context.getObjCClassType();
1493 case BuiltinType::ObjCSel:
1494 VisitType = Context.getObjCSelType();
1498 if (!VisitType.isNull()) {
1499 if (const TypedefType *Typedef = VisitType->getAs<TypedefType>())
1500 return Visit(MakeCursorTypeRef(Typedef->getDecl(), TL.getBuiltinLoc(),
1507 bool CursorVisitor::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
1508 return Visit(MakeCursorTypeRef(TL.getTypedefNameDecl(), TL.getNameLoc(), TU));
1511 bool CursorVisitor::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
1512 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1515 bool CursorVisitor::VisitTagTypeLoc(TagTypeLoc TL) {
1516 if (TL.isDefinition())
1517 return Visit(MakeCXCursor(TL.getDecl(), TU, RegionOfInterest));
1519 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1522 bool CursorVisitor::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
1523 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1526 bool CursorVisitor::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
1527 return Visit(MakeCursorObjCClassRef(TL.getIFaceDecl(), TL.getNameLoc(), TU));
1530 bool CursorVisitor::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
1531 if (TL.hasBaseTypeAsWritten() && Visit(TL.getBaseLoc()))
1534 for (unsigned I = 0, N = TL.getNumTypeArgs(); I != N; ++I) {
1535 if (Visit(TL.getTypeArgTInfo(I)->getTypeLoc()))
1539 for (unsigned I = 0, N = TL.getNumProtocols(); I != N; ++I) {
1540 if (Visit(MakeCursorObjCProtocolRef(TL.getProtocol(I), TL.getProtocolLoc(I),
1548 bool CursorVisitor::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
1549 return Visit(TL.getPointeeLoc());
1552 bool CursorVisitor::VisitParenTypeLoc(ParenTypeLoc TL) {
1553 return Visit(TL.getInnerLoc());
1556 bool CursorVisitor::VisitPointerTypeLoc(PointerTypeLoc TL) {
1557 return Visit(TL.getPointeeLoc());
1560 bool CursorVisitor::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
1561 return Visit(TL.getPointeeLoc());
1564 bool CursorVisitor::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
1565 return Visit(TL.getPointeeLoc());
1568 bool CursorVisitor::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
1569 return Visit(TL.getPointeeLoc());
1572 bool CursorVisitor::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
1573 return Visit(TL.getPointeeLoc());
1576 bool CursorVisitor::VisitAttributedTypeLoc(AttributedTypeLoc TL) {
1577 return Visit(TL.getModifiedLoc());
1580 bool CursorVisitor::VisitFunctionTypeLoc(FunctionTypeLoc TL,
1581 bool SkipResultType) {
1582 if (!SkipResultType && Visit(TL.getReturnLoc()))
1585 for (unsigned I = 0, N = TL.getNumParams(); I != N; ++I)
1586 if (Decl *D = TL.getParam(I))
1587 if (Visit(MakeCXCursor(D, TU, RegionOfInterest)))
1593 bool CursorVisitor::VisitArrayTypeLoc(ArrayTypeLoc TL) {
1594 if (Visit(TL.getElementLoc()))
1597 if (Expr *Size = TL.getSizeExpr())
1598 return Visit(MakeCXCursor(Size, StmtParent, TU, RegionOfInterest));
1603 bool CursorVisitor::VisitDecayedTypeLoc(DecayedTypeLoc TL) {
1604 return Visit(TL.getOriginalLoc());
1607 bool CursorVisitor::VisitAdjustedTypeLoc(AdjustedTypeLoc TL) {
1608 return Visit(TL.getOriginalLoc());
1611 bool CursorVisitor::VisitTemplateSpecializationTypeLoc(
1612 TemplateSpecializationTypeLoc TL) {
1613 // Visit the template name.
1614 if (VisitTemplateName(TL.getTypePtr()->getTemplateName(),
1615 TL.getTemplateNameLoc()))
1618 // Visit the template arguments.
1619 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1620 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1626 bool CursorVisitor::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
1627 return Visit(MakeCXCursor(TL.getUnderlyingExpr(), StmtParent, TU));
1630 bool CursorVisitor::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
1631 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1632 return Visit(TSInfo->getTypeLoc());
1637 bool CursorVisitor::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) {
1638 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1639 return Visit(TSInfo->getTypeLoc());
1644 bool CursorVisitor::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) {
1645 return VisitNestedNameSpecifierLoc(TL.getQualifierLoc());
1648 bool CursorVisitor::VisitDependentTemplateSpecializationTypeLoc(
1649 DependentTemplateSpecializationTypeLoc TL) {
1650 // Visit the nested-name-specifier, if there is one.
1651 if (TL.getQualifierLoc() &&
1652 VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1655 // Visit the template arguments.
1656 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1657 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1663 bool CursorVisitor::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
1664 if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1667 return Visit(TL.getNamedTypeLoc());
1670 bool CursorVisitor::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) {
1671 return Visit(TL.getPatternLoc());
1674 bool CursorVisitor::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
1675 if (Expr *E = TL.getUnderlyingExpr())
1676 return Visit(MakeCXCursor(E, StmtParent, TU));
1681 bool CursorVisitor::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) {
1682 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1685 bool CursorVisitor::VisitAtomicTypeLoc(AtomicTypeLoc TL) {
1686 return Visit(TL.getValueLoc());
1689 bool CursorVisitor::VisitPipeTypeLoc(PipeTypeLoc TL) {
1690 return Visit(TL.getValueLoc());
1693 #define DEFAULT_TYPELOC_IMPL(CLASS, PARENT) \
1694 bool CursorVisitor::Visit##CLASS##TypeLoc(CLASS##TypeLoc TL) { \
1695 return Visit##PARENT##Loc(TL); \
1698 DEFAULT_TYPELOC_IMPL(Complex, Type)
1699 DEFAULT_TYPELOC_IMPL(ConstantArray, ArrayType)
1700 DEFAULT_TYPELOC_IMPL(IncompleteArray, ArrayType)
1701 DEFAULT_TYPELOC_IMPL(VariableArray, ArrayType)
1702 DEFAULT_TYPELOC_IMPL(DependentSizedArray, ArrayType)
1703 DEFAULT_TYPELOC_IMPL(DependentSizedExtVector, Type)
1704 DEFAULT_TYPELOC_IMPL(Vector, Type)
1705 DEFAULT_TYPELOC_IMPL(ExtVector, VectorType)
1706 DEFAULT_TYPELOC_IMPL(FunctionProto, FunctionType)
1707 DEFAULT_TYPELOC_IMPL(FunctionNoProto, FunctionType)
1708 DEFAULT_TYPELOC_IMPL(Record, TagType)
1709 DEFAULT_TYPELOC_IMPL(Enum, TagType)
1710 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParm, Type)
1711 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParmPack, Type)
1712 DEFAULT_TYPELOC_IMPL(Auto, Type)
1714 bool CursorVisitor::VisitCXXRecordDecl(CXXRecordDecl *D) {
1715 // Visit the nested-name-specifier, if present.
1716 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1717 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1720 if (D->isCompleteDefinition()) {
1721 for (const auto &I : D->bases()) {
1722 if (Visit(cxcursor::MakeCursorCXXBaseSpecifier(&I, TU)))
1727 return VisitTagDecl(D);
1730 bool CursorVisitor::VisitAttributes(Decl *D) {
1731 for (const auto *I : D->attrs())
1732 if (Visit(MakeCXCursor(I, D, TU)))
1738 //===----------------------------------------------------------------------===//
1739 // Data-recursive visitor methods.
1740 //===----------------------------------------------------------------------===//
1743 #define DEF_JOB(NAME, DATA, KIND)\
1744 class NAME : public VisitorJob {\
1746 NAME(const DATA *d, CXCursor parent) : \
1747 VisitorJob(parent, VisitorJob::KIND, d) {} \
1748 static bool classof(const VisitorJob *VJ) { return VJ->getKind() == KIND; }\
1749 const DATA *get() const { return static_cast<const DATA*>(data[0]); }\
1752 DEF_JOB(StmtVisit, Stmt, StmtVisitKind)
1753 DEF_JOB(MemberExprParts, MemberExpr, MemberExprPartsKind)
1754 DEF_JOB(DeclRefExprParts, DeclRefExpr, DeclRefExprPartsKind)
1755 DEF_JOB(OverloadExprParts, OverloadExpr, OverloadExprPartsKind)
1756 DEF_JOB(SizeOfPackExprParts, SizeOfPackExpr, SizeOfPackExprPartsKind)
1757 DEF_JOB(LambdaExprParts, LambdaExpr, LambdaExprPartsKind)
1758 DEF_JOB(PostChildrenVisit, void, PostChildrenVisitKind)
1761 class ExplicitTemplateArgsVisit : public VisitorJob {
1763 ExplicitTemplateArgsVisit(const TemplateArgumentLoc *Begin,
1764 const TemplateArgumentLoc *End, CXCursor parent)
1765 : VisitorJob(parent, VisitorJob::ExplicitTemplateArgsVisitKind, Begin,
1767 static bool classof(const VisitorJob *VJ) {
1768 return VJ->getKind() == ExplicitTemplateArgsVisitKind;
1770 const TemplateArgumentLoc *begin() const {
1771 return static_cast<const TemplateArgumentLoc *>(data[0]);
1773 const TemplateArgumentLoc *end() {
1774 return static_cast<const TemplateArgumentLoc *>(data[1]);
1777 class DeclVisit : public VisitorJob {
1779 DeclVisit(const Decl *D, CXCursor parent, bool isFirst) :
1780 VisitorJob(parent, VisitorJob::DeclVisitKind,
1781 D, isFirst ? (void*) 1 : (void*) nullptr) {}
1782 static bool classof(const VisitorJob *VJ) {
1783 return VJ->getKind() == DeclVisitKind;
1785 const Decl *get() const { return static_cast<const Decl *>(data[0]); }
1786 bool isFirst() const { return data[1] != nullptr; }
1788 class TypeLocVisit : public VisitorJob {
1790 TypeLocVisit(TypeLoc tl, CXCursor parent) :
1791 VisitorJob(parent, VisitorJob::TypeLocVisitKind,
1792 tl.getType().getAsOpaquePtr(), tl.getOpaqueData()) {}
1794 static bool classof(const VisitorJob *VJ) {
1795 return VJ->getKind() == TypeLocVisitKind;
1798 TypeLoc get() const {
1799 QualType T = QualType::getFromOpaquePtr(data[0]);
1800 return TypeLoc(T, const_cast<void *>(data[1]));
1804 class LabelRefVisit : public VisitorJob {
1806 LabelRefVisit(LabelDecl *LD, SourceLocation labelLoc, CXCursor parent)
1807 : VisitorJob(parent, VisitorJob::LabelRefVisitKind, LD,
1808 labelLoc.getPtrEncoding()) {}
1810 static bool classof(const VisitorJob *VJ) {
1811 return VJ->getKind() == VisitorJob::LabelRefVisitKind;
1813 const LabelDecl *get() const {
1814 return static_cast<const LabelDecl *>(data[0]);
1816 SourceLocation getLoc() const {
1817 return SourceLocation::getFromPtrEncoding(data[1]); }
1820 class NestedNameSpecifierLocVisit : public VisitorJob {
1822 NestedNameSpecifierLocVisit(NestedNameSpecifierLoc Qualifier, CXCursor parent)
1823 : VisitorJob(parent, VisitorJob::NestedNameSpecifierLocVisitKind,
1824 Qualifier.getNestedNameSpecifier(),
1825 Qualifier.getOpaqueData()) { }
1827 static bool classof(const VisitorJob *VJ) {
1828 return VJ->getKind() == VisitorJob::NestedNameSpecifierLocVisitKind;
1831 NestedNameSpecifierLoc get() const {
1832 return NestedNameSpecifierLoc(
1833 const_cast<NestedNameSpecifier *>(
1834 static_cast<const NestedNameSpecifier *>(data[0])),
1835 const_cast<void *>(data[1]));
1839 class DeclarationNameInfoVisit : public VisitorJob {
1841 DeclarationNameInfoVisit(const Stmt *S, CXCursor parent)
1842 : VisitorJob(parent, VisitorJob::DeclarationNameInfoVisitKind, S) {}
1843 static bool classof(const VisitorJob *VJ) {
1844 return VJ->getKind() == VisitorJob::DeclarationNameInfoVisitKind;
1846 DeclarationNameInfo get() const {
1847 const Stmt *S = static_cast<const Stmt *>(data[0]);
1848 switch (S->getStmtClass()) {
1850 llvm_unreachable("Unhandled Stmt");
1851 case clang::Stmt::MSDependentExistsStmtClass:
1852 return cast<MSDependentExistsStmt>(S)->getNameInfo();
1853 case Stmt::CXXDependentScopeMemberExprClass:
1854 return cast<CXXDependentScopeMemberExpr>(S)->getMemberNameInfo();
1855 case Stmt::DependentScopeDeclRefExprClass:
1856 return cast<DependentScopeDeclRefExpr>(S)->getNameInfo();
1857 case Stmt::OMPCriticalDirectiveClass:
1858 return cast<OMPCriticalDirective>(S)->getDirectiveName();
1862 class MemberRefVisit : public VisitorJob {
1864 MemberRefVisit(const FieldDecl *D, SourceLocation L, CXCursor parent)
1865 : VisitorJob(parent, VisitorJob::MemberRefVisitKind, D,
1866 L.getPtrEncoding()) {}
1867 static bool classof(const VisitorJob *VJ) {
1868 return VJ->getKind() == VisitorJob::MemberRefVisitKind;
1870 const FieldDecl *get() const {
1871 return static_cast<const FieldDecl *>(data[0]);
1873 SourceLocation getLoc() const {
1874 return SourceLocation::getFromRawEncoding((unsigned)(uintptr_t) data[1]);
1877 class EnqueueVisitor : public ConstStmtVisitor<EnqueueVisitor, void> {
1878 friend class OMPClauseEnqueue;
1879 VisitorWorkList &WL;
1882 EnqueueVisitor(VisitorWorkList &wl, CXCursor parent)
1883 : WL(wl), Parent(parent) {}
1885 void VisitAddrLabelExpr(const AddrLabelExpr *E);
1886 void VisitBlockExpr(const BlockExpr *B);
1887 void VisitCompoundLiteralExpr(const CompoundLiteralExpr *E);
1888 void VisitCompoundStmt(const CompoundStmt *S);
1889 void VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *E) { /* Do nothing. */ }
1890 void VisitMSDependentExistsStmt(const MSDependentExistsStmt *S);
1891 void VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E);
1892 void VisitCXXNewExpr(const CXXNewExpr *E);
1893 void VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *E);
1894 void VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *E);
1895 void VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *E);
1896 void VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *E);
1897 void VisitCXXTypeidExpr(const CXXTypeidExpr *E);
1898 void VisitCXXUnresolvedConstructExpr(const CXXUnresolvedConstructExpr *E);
1899 void VisitCXXUuidofExpr(const CXXUuidofExpr *E);
1900 void VisitCXXCatchStmt(const CXXCatchStmt *S);
1901 void VisitCXXForRangeStmt(const CXXForRangeStmt *S);
1902 void VisitDeclRefExpr(const DeclRefExpr *D);
1903 void VisitDeclStmt(const DeclStmt *S);
1904 void VisitDependentScopeDeclRefExpr(const DependentScopeDeclRefExpr *E);
1905 void VisitDesignatedInitExpr(const DesignatedInitExpr *E);
1906 void VisitExplicitCastExpr(const ExplicitCastExpr *E);
1907 void VisitForStmt(const ForStmt *FS);
1908 void VisitGotoStmt(const GotoStmt *GS);
1909 void VisitIfStmt(const IfStmt *If);
1910 void VisitInitListExpr(const InitListExpr *IE);
1911 void VisitMemberExpr(const MemberExpr *M);
1912 void VisitOffsetOfExpr(const OffsetOfExpr *E);
1913 void VisitObjCEncodeExpr(const ObjCEncodeExpr *E);
1914 void VisitObjCMessageExpr(const ObjCMessageExpr *M);
1915 void VisitOverloadExpr(const OverloadExpr *E);
1916 void VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *E);
1917 void VisitStmt(const Stmt *S);
1918 void VisitSwitchStmt(const SwitchStmt *S);
1919 void VisitWhileStmt(const WhileStmt *W);
1920 void VisitTypeTraitExpr(const TypeTraitExpr *E);
1921 void VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E);
1922 void VisitExpressionTraitExpr(const ExpressionTraitExpr *E);
1923 void VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U);
1924 void VisitVAArgExpr(const VAArgExpr *E);
1925 void VisitSizeOfPackExpr(const SizeOfPackExpr *E);
1926 void VisitPseudoObjectExpr(const PseudoObjectExpr *E);
1927 void VisitOpaqueValueExpr(const OpaqueValueExpr *E);
1928 void VisitLambdaExpr(const LambdaExpr *E);
1929 void VisitOMPExecutableDirective(const OMPExecutableDirective *D);
1930 void VisitOMPLoopDirective(const OMPLoopDirective *D);
1931 void VisitOMPParallelDirective(const OMPParallelDirective *D);
1932 void VisitOMPSimdDirective(const OMPSimdDirective *D);
1933 void VisitOMPForDirective(const OMPForDirective *D);
1934 void VisitOMPForSimdDirective(const OMPForSimdDirective *D);
1935 void VisitOMPSectionsDirective(const OMPSectionsDirective *D);
1936 void VisitOMPSectionDirective(const OMPSectionDirective *D);
1937 void VisitOMPSingleDirective(const OMPSingleDirective *D);
1938 void VisitOMPMasterDirective(const OMPMasterDirective *D);
1939 void VisitOMPCriticalDirective(const OMPCriticalDirective *D);
1940 void VisitOMPParallelForDirective(const OMPParallelForDirective *D);
1941 void VisitOMPParallelForSimdDirective(const OMPParallelForSimdDirective *D);
1942 void VisitOMPParallelSectionsDirective(const OMPParallelSectionsDirective *D);
1943 void VisitOMPTaskDirective(const OMPTaskDirective *D);
1944 void VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D);
1945 void VisitOMPBarrierDirective(const OMPBarrierDirective *D);
1946 void VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D);
1947 void VisitOMPTaskgroupDirective(const OMPTaskgroupDirective *D);
1949 VisitOMPCancellationPointDirective(const OMPCancellationPointDirective *D);
1950 void VisitOMPCancelDirective(const OMPCancelDirective *D);
1951 void VisitOMPFlushDirective(const OMPFlushDirective *D);
1952 void VisitOMPOrderedDirective(const OMPOrderedDirective *D);
1953 void VisitOMPAtomicDirective(const OMPAtomicDirective *D);
1954 void VisitOMPTargetDirective(const OMPTargetDirective *D);
1955 void VisitOMPTargetDataDirective(const OMPTargetDataDirective *D);
1956 void VisitOMPTeamsDirective(const OMPTeamsDirective *D);
1957 void VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *D);
1958 void VisitOMPTaskLoopSimdDirective(const OMPTaskLoopSimdDirective *D);
1959 void VisitOMPDistributeDirective(const OMPDistributeDirective *D);
1962 void AddDeclarationNameInfo(const Stmt *S);
1963 void AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier);
1964 void AddExplicitTemplateArgs(const TemplateArgumentLoc *A,
1965 unsigned NumTemplateArgs);
1966 void AddMemberRef(const FieldDecl *D, SourceLocation L);
1967 void AddStmt(const Stmt *S);
1968 void AddDecl(const Decl *D, bool isFirst = true);
1969 void AddTypeLoc(TypeSourceInfo *TI);
1970 void EnqueueChildren(const Stmt *S);
1971 void EnqueueChildren(const OMPClause *S);
1973 } // end anonyous namespace
1975 void EnqueueVisitor::AddDeclarationNameInfo(const Stmt *S) {
1976 // 'S' should always be non-null, since it comes from the
1977 // statement we are visiting.
1978 WL.push_back(DeclarationNameInfoVisit(S, Parent));
1982 EnqueueVisitor::AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1984 WL.push_back(NestedNameSpecifierLocVisit(Qualifier, Parent));
1987 void EnqueueVisitor::AddStmt(const Stmt *S) {
1989 WL.push_back(StmtVisit(S, Parent));
1991 void EnqueueVisitor::AddDecl(const Decl *D, bool isFirst) {
1993 WL.push_back(DeclVisit(D, Parent, isFirst));
1995 void EnqueueVisitor::AddExplicitTemplateArgs(const TemplateArgumentLoc *A,
1996 unsigned NumTemplateArgs) {
1997 WL.push_back(ExplicitTemplateArgsVisit(A, A + NumTemplateArgs, Parent));
1999 void EnqueueVisitor::AddMemberRef(const FieldDecl *D, SourceLocation L) {
2001 WL.push_back(MemberRefVisit(D, L, Parent));
2003 void EnqueueVisitor::AddTypeLoc(TypeSourceInfo *TI) {
2005 WL.push_back(TypeLocVisit(TI->getTypeLoc(), Parent));
2007 void EnqueueVisitor::EnqueueChildren(const Stmt *S) {
2008 unsigned size = WL.size();
2009 for (const Stmt *SubStmt : S->children()) {
2012 if (size == WL.size())
2014 // Now reverse the entries we just added. This will match the DFS
2015 // ordering performed by the worklist.
2016 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2020 class OMPClauseEnqueue : public ConstOMPClauseVisitor<OMPClauseEnqueue> {
2021 EnqueueVisitor *Visitor;
2022 /// \brief Process clauses with list of variables.
2023 template <typename T>
2024 void VisitOMPClauseList(T *Node);
2026 OMPClauseEnqueue(EnqueueVisitor *Visitor) : Visitor(Visitor) { }
2027 #define OPENMP_CLAUSE(Name, Class) \
2028 void Visit##Class(const Class *C);
2029 #include "clang/Basic/OpenMPKinds.def"
2032 void OMPClauseEnqueue::VisitOMPIfClause(const OMPIfClause *C) {
2033 Visitor->AddStmt(C->getCondition());
2036 void OMPClauseEnqueue::VisitOMPFinalClause(const OMPFinalClause *C) {
2037 Visitor->AddStmt(C->getCondition());
2040 void OMPClauseEnqueue::VisitOMPNumThreadsClause(const OMPNumThreadsClause *C) {
2041 Visitor->AddStmt(C->getNumThreads());
2044 void OMPClauseEnqueue::VisitOMPSafelenClause(const OMPSafelenClause *C) {
2045 Visitor->AddStmt(C->getSafelen());
2048 void OMPClauseEnqueue::VisitOMPSimdlenClause(const OMPSimdlenClause *C) {
2049 Visitor->AddStmt(C->getSimdlen());
2052 void OMPClauseEnqueue::VisitOMPCollapseClause(const OMPCollapseClause *C) {
2053 Visitor->AddStmt(C->getNumForLoops());
2056 void OMPClauseEnqueue::VisitOMPDefaultClause(const OMPDefaultClause *C) { }
2058 void OMPClauseEnqueue::VisitOMPProcBindClause(const OMPProcBindClause *C) { }
2060 void OMPClauseEnqueue::VisitOMPScheduleClause(const OMPScheduleClause *C) {
2061 Visitor->AddStmt(C->getChunkSize());
2062 Visitor->AddStmt(C->getHelperChunkSize());
2065 void OMPClauseEnqueue::VisitOMPOrderedClause(const OMPOrderedClause *C) {
2066 Visitor->AddStmt(C->getNumForLoops());
2069 void OMPClauseEnqueue::VisitOMPNowaitClause(const OMPNowaitClause *) {}
2071 void OMPClauseEnqueue::VisitOMPUntiedClause(const OMPUntiedClause *) {}
2073 void OMPClauseEnqueue::VisitOMPMergeableClause(const OMPMergeableClause *) {}
2075 void OMPClauseEnqueue::VisitOMPReadClause(const OMPReadClause *) {}
2077 void OMPClauseEnqueue::VisitOMPWriteClause(const OMPWriteClause *) {}
2079 void OMPClauseEnqueue::VisitOMPUpdateClause(const OMPUpdateClause *) {}
2081 void OMPClauseEnqueue::VisitOMPCaptureClause(const OMPCaptureClause *) {}
2083 void OMPClauseEnqueue::VisitOMPSeqCstClause(const OMPSeqCstClause *) {}
2085 void OMPClauseEnqueue::VisitOMPThreadsClause(const OMPThreadsClause *) {}
2087 void OMPClauseEnqueue::VisitOMPSIMDClause(const OMPSIMDClause *) {}
2089 void OMPClauseEnqueue::VisitOMPNogroupClause(const OMPNogroupClause *) {}
2091 void OMPClauseEnqueue::VisitOMPDeviceClause(const OMPDeviceClause *C) {
2092 Visitor->AddStmt(C->getDevice());
2095 void OMPClauseEnqueue::VisitOMPNumTeamsClause(const OMPNumTeamsClause *C) {
2096 Visitor->AddStmt(C->getNumTeams());
2099 void OMPClauseEnqueue::VisitOMPThreadLimitClause(const OMPThreadLimitClause *C) {
2100 Visitor->AddStmt(C->getThreadLimit());
2103 void OMPClauseEnqueue::VisitOMPPriorityClause(const OMPPriorityClause *C) {
2104 Visitor->AddStmt(C->getPriority());
2107 void OMPClauseEnqueue::VisitOMPGrainsizeClause(const OMPGrainsizeClause *C) {
2108 Visitor->AddStmt(C->getGrainsize());
2111 void OMPClauseEnqueue::VisitOMPNumTasksClause(const OMPNumTasksClause *C) {
2112 Visitor->AddStmt(C->getNumTasks());
2115 void OMPClauseEnqueue::VisitOMPHintClause(const OMPHintClause *C) {
2116 Visitor->AddStmt(C->getHint());
2119 template<typename T>
2120 void OMPClauseEnqueue::VisitOMPClauseList(T *Node) {
2121 for (const auto *I : Node->varlists()) {
2122 Visitor->AddStmt(I);
2126 void OMPClauseEnqueue::VisitOMPPrivateClause(const OMPPrivateClause *C) {
2127 VisitOMPClauseList(C);
2128 for (const auto *E : C->private_copies()) {
2129 Visitor->AddStmt(E);
2132 void OMPClauseEnqueue::VisitOMPFirstprivateClause(
2133 const OMPFirstprivateClause *C) {
2134 VisitOMPClauseList(C);
2136 void OMPClauseEnqueue::VisitOMPLastprivateClause(
2137 const OMPLastprivateClause *C) {
2138 VisitOMPClauseList(C);
2139 for (auto *E : C->private_copies()) {
2140 Visitor->AddStmt(E);
2142 for (auto *E : C->source_exprs()) {
2143 Visitor->AddStmt(E);
2145 for (auto *E : C->destination_exprs()) {
2146 Visitor->AddStmt(E);
2148 for (auto *E : C->assignment_ops()) {
2149 Visitor->AddStmt(E);
2152 void OMPClauseEnqueue::VisitOMPSharedClause(const OMPSharedClause *C) {
2153 VisitOMPClauseList(C);
2155 void OMPClauseEnqueue::VisitOMPReductionClause(const OMPReductionClause *C) {
2156 VisitOMPClauseList(C);
2157 for (auto *E : C->privates()) {
2158 Visitor->AddStmt(E);
2160 for (auto *E : C->lhs_exprs()) {
2161 Visitor->AddStmt(E);
2163 for (auto *E : C->rhs_exprs()) {
2164 Visitor->AddStmt(E);
2166 for (auto *E : C->reduction_ops()) {
2167 Visitor->AddStmt(E);
2170 void OMPClauseEnqueue::VisitOMPLinearClause(const OMPLinearClause *C) {
2171 VisitOMPClauseList(C);
2172 for (const auto *E : C->privates()) {
2173 Visitor->AddStmt(E);
2175 for (const auto *E : C->inits()) {
2176 Visitor->AddStmt(E);
2178 for (const auto *E : C->updates()) {
2179 Visitor->AddStmt(E);
2181 for (const auto *E : C->finals()) {
2182 Visitor->AddStmt(E);
2184 Visitor->AddStmt(C->getStep());
2185 Visitor->AddStmt(C->getCalcStep());
2187 void OMPClauseEnqueue::VisitOMPAlignedClause(const OMPAlignedClause *C) {
2188 VisitOMPClauseList(C);
2189 Visitor->AddStmt(C->getAlignment());
2191 void OMPClauseEnqueue::VisitOMPCopyinClause(const OMPCopyinClause *C) {
2192 VisitOMPClauseList(C);
2193 for (auto *E : C->source_exprs()) {
2194 Visitor->AddStmt(E);
2196 for (auto *E : C->destination_exprs()) {
2197 Visitor->AddStmt(E);
2199 for (auto *E : C->assignment_ops()) {
2200 Visitor->AddStmt(E);
2204 OMPClauseEnqueue::VisitOMPCopyprivateClause(const OMPCopyprivateClause *C) {
2205 VisitOMPClauseList(C);
2206 for (auto *E : C->source_exprs()) {
2207 Visitor->AddStmt(E);
2209 for (auto *E : C->destination_exprs()) {
2210 Visitor->AddStmt(E);
2212 for (auto *E : C->assignment_ops()) {
2213 Visitor->AddStmt(E);
2216 void OMPClauseEnqueue::VisitOMPFlushClause(const OMPFlushClause *C) {
2217 VisitOMPClauseList(C);
2219 void OMPClauseEnqueue::VisitOMPDependClause(const OMPDependClause *C) {
2220 VisitOMPClauseList(C);
2222 void OMPClauseEnqueue::VisitOMPMapClause(const OMPMapClause *C) {
2223 VisitOMPClauseList(C);
2225 void OMPClauseEnqueue::VisitOMPDistScheduleClause(
2226 const OMPDistScheduleClause *C) {
2227 Visitor->AddStmt(C->getChunkSize());
2228 Visitor->AddStmt(C->getHelperChunkSize());
2232 void EnqueueVisitor::EnqueueChildren(const OMPClause *S) {
2233 unsigned size = WL.size();
2234 OMPClauseEnqueue Visitor(this);
2236 if (size == WL.size())
2238 // Now reverse the entries we just added. This will match the DFS
2239 // ordering performed by the worklist.
2240 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2243 void EnqueueVisitor::VisitAddrLabelExpr(const AddrLabelExpr *E) {
2244 WL.push_back(LabelRefVisit(E->getLabel(), E->getLabelLoc(), Parent));
2246 void EnqueueVisitor::VisitBlockExpr(const BlockExpr *B) {
2247 AddDecl(B->getBlockDecl());
2249 void EnqueueVisitor::VisitCompoundLiteralExpr(const CompoundLiteralExpr *E) {
2251 AddTypeLoc(E->getTypeSourceInfo());
2253 void EnqueueVisitor::VisitCompoundStmt(const CompoundStmt *S) {
2254 for (auto &I : llvm::reverse(S->body()))
2257 void EnqueueVisitor::
2258 VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
2259 AddStmt(S->getSubStmt());
2260 AddDeclarationNameInfo(S);
2261 if (NestedNameSpecifierLoc QualifierLoc = S->getQualifierLoc())
2262 AddNestedNameSpecifierLoc(QualifierLoc);
2265 void EnqueueVisitor::
2266 VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E) {
2267 if (E->hasExplicitTemplateArgs())
2268 AddExplicitTemplateArgs(E->getTemplateArgs(), E->getNumTemplateArgs());
2269 AddDeclarationNameInfo(E);
2270 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2271 AddNestedNameSpecifierLoc(QualifierLoc);
2272 if (!E->isImplicitAccess())
2273 AddStmt(E->getBase());
2275 void EnqueueVisitor::VisitCXXNewExpr(const CXXNewExpr *E) {
2276 // Enqueue the initializer , if any.
2277 AddStmt(E->getInitializer());
2278 // Enqueue the array size, if any.
2279 AddStmt(E->getArraySize());
2280 // Enqueue the allocated type.
2281 AddTypeLoc(E->getAllocatedTypeSourceInfo());
2282 // Enqueue the placement arguments.
2283 for (unsigned I = E->getNumPlacementArgs(); I > 0; --I)
2284 AddStmt(E->getPlacementArg(I-1));
2286 void EnqueueVisitor::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *CE) {
2287 for (unsigned I = CE->getNumArgs(); I > 1 /* Yes, this is 1 */; --I)
2288 AddStmt(CE->getArg(I-1));
2289 AddStmt(CE->getCallee());
2290 AddStmt(CE->getArg(0));
2292 void EnqueueVisitor::VisitCXXPseudoDestructorExpr(
2293 const CXXPseudoDestructorExpr *E) {
2294 // Visit the name of the type being destroyed.
2295 AddTypeLoc(E->getDestroyedTypeInfo());
2296 // Visit the scope type that looks disturbingly like the nested-name-specifier
2298 AddTypeLoc(E->getScopeTypeInfo());
2299 // Visit the nested-name-specifier.
2300 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2301 AddNestedNameSpecifierLoc(QualifierLoc);
2302 // Visit base expression.
2303 AddStmt(E->getBase());
2305 void EnqueueVisitor::VisitCXXScalarValueInitExpr(
2306 const CXXScalarValueInitExpr *E) {
2307 AddTypeLoc(E->getTypeSourceInfo());
2309 void EnqueueVisitor::VisitCXXTemporaryObjectExpr(
2310 const CXXTemporaryObjectExpr *E) {
2312 AddTypeLoc(E->getTypeSourceInfo());
2314 void EnqueueVisitor::VisitCXXTypeidExpr(const CXXTypeidExpr *E) {
2316 if (E->isTypeOperand())
2317 AddTypeLoc(E->getTypeOperandSourceInfo());
2320 void EnqueueVisitor::VisitCXXUnresolvedConstructExpr(
2321 const CXXUnresolvedConstructExpr *E) {
2323 AddTypeLoc(E->getTypeSourceInfo());
2325 void EnqueueVisitor::VisitCXXUuidofExpr(const CXXUuidofExpr *E) {
2327 if (E->isTypeOperand())
2328 AddTypeLoc(E->getTypeOperandSourceInfo());
2331 void EnqueueVisitor::VisitCXXCatchStmt(const CXXCatchStmt *S) {
2333 AddDecl(S->getExceptionDecl());
2336 void EnqueueVisitor::VisitCXXForRangeStmt(const CXXForRangeStmt *S) {
2337 AddStmt(S->getBody());
2338 AddStmt(S->getRangeInit());
2339 AddDecl(S->getLoopVariable());
2342 void EnqueueVisitor::VisitDeclRefExpr(const DeclRefExpr *DR) {
2343 if (DR->hasExplicitTemplateArgs())
2344 AddExplicitTemplateArgs(DR->getTemplateArgs(), DR->getNumTemplateArgs());
2345 WL.push_back(DeclRefExprParts(DR, Parent));
2347 void EnqueueVisitor::VisitDependentScopeDeclRefExpr(
2348 const DependentScopeDeclRefExpr *E) {
2349 if (E->hasExplicitTemplateArgs())
2350 AddExplicitTemplateArgs(E->getTemplateArgs(), E->getNumTemplateArgs());
2351 AddDeclarationNameInfo(E);
2352 AddNestedNameSpecifierLoc(E->getQualifierLoc());
2354 void EnqueueVisitor::VisitDeclStmt(const DeclStmt *S) {
2355 unsigned size = WL.size();
2356 bool isFirst = true;
2357 for (const auto *D : S->decls()) {
2358 AddDecl(D, isFirst);
2361 if (size == WL.size())
2363 // Now reverse the entries we just added. This will match the DFS
2364 // ordering performed by the worklist.
2365 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2368 void EnqueueVisitor::VisitDesignatedInitExpr(const DesignatedInitExpr *E) {
2369 AddStmt(E->getInit());
2370 for (DesignatedInitExpr::const_reverse_designators_iterator
2371 D = E->designators_rbegin(), DEnd = E->designators_rend();
2373 if (D->isFieldDesignator()) {
2374 if (FieldDecl *Field = D->getField())
2375 AddMemberRef(Field, D->getFieldLoc());
2378 if (D->isArrayDesignator()) {
2379 AddStmt(E->getArrayIndex(*D));
2382 assert(D->isArrayRangeDesignator() && "Unknown designator kind");
2383 AddStmt(E->getArrayRangeEnd(*D));
2384 AddStmt(E->getArrayRangeStart(*D));
2387 void EnqueueVisitor::VisitExplicitCastExpr(const ExplicitCastExpr *E) {
2389 AddTypeLoc(E->getTypeInfoAsWritten());
2391 void EnqueueVisitor::VisitForStmt(const ForStmt *FS) {
2392 AddStmt(FS->getBody());
2393 AddStmt(FS->getInc());
2394 AddStmt(FS->getCond());
2395 AddDecl(FS->getConditionVariable());
2396 AddStmt(FS->getInit());
2398 void EnqueueVisitor::VisitGotoStmt(const GotoStmt *GS) {
2399 WL.push_back(LabelRefVisit(GS->getLabel(), GS->getLabelLoc(), Parent));
2401 void EnqueueVisitor::VisitIfStmt(const IfStmt *If) {
2402 AddStmt(If->getElse());
2403 AddStmt(If->getThen());
2404 AddStmt(If->getCond());
2405 AddDecl(If->getConditionVariable());
2407 void EnqueueVisitor::VisitInitListExpr(const InitListExpr *IE) {
2408 // We care about the syntactic form of the initializer list, only.
2409 if (InitListExpr *Syntactic = IE->getSyntacticForm())
2411 EnqueueChildren(IE);
2413 void EnqueueVisitor::VisitMemberExpr(const MemberExpr *M) {
2414 WL.push_back(MemberExprParts(M, Parent));
2416 // If the base of the member access expression is an implicit 'this', don't
2418 // FIXME: If we ever want to show these implicit accesses, this will be
2419 // unfortunate. However, clang_getCursor() relies on this behavior.
2420 if (M->isImplicitAccess())
2423 // Ignore base anonymous struct/union fields, otherwise they will shadow the
2424 // real field that that we are interested in.
2425 if (auto *SubME = dyn_cast<MemberExpr>(M->getBase())) {
2426 if (auto *FD = dyn_cast_or_null<FieldDecl>(SubME->getMemberDecl())) {
2427 if (FD->isAnonymousStructOrUnion()) {
2428 AddStmt(SubME->getBase());
2434 AddStmt(M->getBase());
2436 void EnqueueVisitor::VisitObjCEncodeExpr(const ObjCEncodeExpr *E) {
2437 AddTypeLoc(E->getEncodedTypeSourceInfo());
2439 void EnqueueVisitor::VisitObjCMessageExpr(const ObjCMessageExpr *M) {
2441 AddTypeLoc(M->getClassReceiverTypeInfo());
2443 void EnqueueVisitor::VisitOffsetOfExpr(const OffsetOfExpr *E) {
2444 // Visit the components of the offsetof expression.
2445 for (unsigned N = E->getNumComponents(), I = N; I > 0; --I) {
2446 const OffsetOfNode &Node = E->getComponent(I-1);
2447 switch (Node.getKind()) {
2448 case OffsetOfNode::Array:
2449 AddStmt(E->getIndexExpr(Node.getArrayExprIndex()));
2451 case OffsetOfNode::Field:
2452 AddMemberRef(Node.getField(), Node.getSourceRange().getEnd());
2454 case OffsetOfNode::Identifier:
2455 case OffsetOfNode::Base:
2459 // Visit the type into which we're computing the offset.
2460 AddTypeLoc(E->getTypeSourceInfo());
2462 void EnqueueVisitor::VisitOverloadExpr(const OverloadExpr *E) {
2463 if (E->hasExplicitTemplateArgs())
2464 AddExplicitTemplateArgs(E->getTemplateArgs(), E->getNumTemplateArgs());
2465 WL.push_back(OverloadExprParts(E, Parent));
2467 void EnqueueVisitor::VisitUnaryExprOrTypeTraitExpr(
2468 const UnaryExprOrTypeTraitExpr *E) {
2470 if (E->isArgumentType())
2471 AddTypeLoc(E->getArgumentTypeInfo());
2473 void EnqueueVisitor::VisitStmt(const Stmt *S) {
2476 void EnqueueVisitor::VisitSwitchStmt(const SwitchStmt *S) {
2477 AddStmt(S->getBody());
2478 AddStmt(S->getCond());
2479 AddDecl(S->getConditionVariable());
2482 void EnqueueVisitor::VisitWhileStmt(const WhileStmt *W) {
2483 AddStmt(W->getBody());
2484 AddStmt(W->getCond());
2485 AddDecl(W->getConditionVariable());
2488 void EnqueueVisitor::VisitTypeTraitExpr(const TypeTraitExpr *E) {
2489 for (unsigned I = E->getNumArgs(); I > 0; --I)
2490 AddTypeLoc(E->getArg(I-1));
2493 void EnqueueVisitor::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E) {
2494 AddTypeLoc(E->getQueriedTypeSourceInfo());
2497 void EnqueueVisitor::VisitExpressionTraitExpr(const ExpressionTraitExpr *E) {
2501 void EnqueueVisitor::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U) {
2502 VisitOverloadExpr(U);
2503 if (!U->isImplicitAccess())
2504 AddStmt(U->getBase());
2506 void EnqueueVisitor::VisitVAArgExpr(const VAArgExpr *E) {
2507 AddStmt(E->getSubExpr());
2508 AddTypeLoc(E->getWrittenTypeInfo());
2510 void EnqueueVisitor::VisitSizeOfPackExpr(const SizeOfPackExpr *E) {
2511 WL.push_back(SizeOfPackExprParts(E, Parent));
2513 void EnqueueVisitor::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
2514 // If the opaque value has a source expression, just transparently
2515 // visit that. This is useful for (e.g.) pseudo-object expressions.
2516 if (Expr *SourceExpr = E->getSourceExpr())
2517 return Visit(SourceExpr);
2519 void EnqueueVisitor::VisitLambdaExpr(const LambdaExpr *E) {
2520 AddStmt(E->getBody());
2521 WL.push_back(LambdaExprParts(E, Parent));
2523 void EnqueueVisitor::VisitPseudoObjectExpr(const PseudoObjectExpr *E) {
2524 // Treat the expression like its syntactic form.
2525 Visit(E->getSyntacticForm());
2528 void EnqueueVisitor::VisitOMPExecutableDirective(
2529 const OMPExecutableDirective *D) {
2531 for (ArrayRef<OMPClause *>::iterator I = D->clauses().begin(),
2532 E = D->clauses().end();
2534 EnqueueChildren(*I);
2537 void EnqueueVisitor::VisitOMPLoopDirective(const OMPLoopDirective *D) {
2538 VisitOMPExecutableDirective(D);
2541 void EnqueueVisitor::VisitOMPParallelDirective(const OMPParallelDirective *D) {
2542 VisitOMPExecutableDirective(D);
2545 void EnqueueVisitor::VisitOMPSimdDirective(const OMPSimdDirective *D) {
2546 VisitOMPLoopDirective(D);
2549 void EnqueueVisitor::VisitOMPForDirective(const OMPForDirective *D) {
2550 VisitOMPLoopDirective(D);
2553 void EnqueueVisitor::VisitOMPForSimdDirective(const OMPForSimdDirective *D) {
2554 VisitOMPLoopDirective(D);
2557 void EnqueueVisitor::VisitOMPSectionsDirective(const OMPSectionsDirective *D) {
2558 VisitOMPExecutableDirective(D);
2561 void EnqueueVisitor::VisitOMPSectionDirective(const OMPSectionDirective *D) {
2562 VisitOMPExecutableDirective(D);
2565 void EnqueueVisitor::VisitOMPSingleDirective(const OMPSingleDirective *D) {
2566 VisitOMPExecutableDirective(D);
2569 void EnqueueVisitor::VisitOMPMasterDirective(const OMPMasterDirective *D) {
2570 VisitOMPExecutableDirective(D);
2573 void EnqueueVisitor::VisitOMPCriticalDirective(const OMPCriticalDirective *D) {
2574 VisitOMPExecutableDirective(D);
2575 AddDeclarationNameInfo(D);
2579 EnqueueVisitor::VisitOMPParallelForDirective(const OMPParallelForDirective *D) {
2580 VisitOMPLoopDirective(D);
2583 void EnqueueVisitor::VisitOMPParallelForSimdDirective(
2584 const OMPParallelForSimdDirective *D) {
2585 VisitOMPLoopDirective(D);
2588 void EnqueueVisitor::VisitOMPParallelSectionsDirective(
2589 const OMPParallelSectionsDirective *D) {
2590 VisitOMPExecutableDirective(D);
2593 void EnqueueVisitor::VisitOMPTaskDirective(const OMPTaskDirective *D) {
2594 VisitOMPExecutableDirective(D);
2598 EnqueueVisitor::VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D) {
2599 VisitOMPExecutableDirective(D);
2602 void EnqueueVisitor::VisitOMPBarrierDirective(const OMPBarrierDirective *D) {
2603 VisitOMPExecutableDirective(D);
2606 void EnqueueVisitor::VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D) {
2607 VisitOMPExecutableDirective(D);
2610 void EnqueueVisitor::VisitOMPTaskgroupDirective(
2611 const OMPTaskgroupDirective *D) {
2612 VisitOMPExecutableDirective(D);
2615 void EnqueueVisitor::VisitOMPFlushDirective(const OMPFlushDirective *D) {
2616 VisitOMPExecutableDirective(D);
2619 void EnqueueVisitor::VisitOMPOrderedDirective(const OMPOrderedDirective *D) {
2620 VisitOMPExecutableDirective(D);
2623 void EnqueueVisitor::VisitOMPAtomicDirective(const OMPAtomicDirective *D) {
2624 VisitOMPExecutableDirective(D);
2627 void EnqueueVisitor::VisitOMPTargetDirective(const OMPTargetDirective *D) {
2628 VisitOMPExecutableDirective(D);
2631 void EnqueueVisitor::VisitOMPTargetDataDirective(const
2632 OMPTargetDataDirective *D) {
2633 VisitOMPExecutableDirective(D);
2636 void EnqueueVisitor::VisitOMPTeamsDirective(const OMPTeamsDirective *D) {
2637 VisitOMPExecutableDirective(D);
2640 void EnqueueVisitor::VisitOMPCancellationPointDirective(
2641 const OMPCancellationPointDirective *D) {
2642 VisitOMPExecutableDirective(D);
2645 void EnqueueVisitor::VisitOMPCancelDirective(const OMPCancelDirective *D) {
2646 VisitOMPExecutableDirective(D);
2649 void EnqueueVisitor::VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *D) {
2650 VisitOMPLoopDirective(D);
2653 void EnqueueVisitor::VisitOMPTaskLoopSimdDirective(
2654 const OMPTaskLoopSimdDirective *D) {
2655 VisitOMPLoopDirective(D);
2658 void EnqueueVisitor::VisitOMPDistributeDirective(
2659 const OMPDistributeDirective *D) {
2660 VisitOMPLoopDirective(D);
2663 void CursorVisitor::EnqueueWorkList(VisitorWorkList &WL, const Stmt *S) {
2664 EnqueueVisitor(WL, MakeCXCursor(S, StmtParent, TU,RegionOfInterest)).Visit(S);
2667 bool CursorVisitor::IsInRegionOfInterest(CXCursor C) {
2668 if (RegionOfInterest.isValid()) {
2669 SourceRange Range = getRawCursorExtent(C);
2670 if (Range.isInvalid() || CompareRegionOfInterest(Range))
2676 bool CursorVisitor::RunVisitorWorkList(VisitorWorkList &WL) {
2677 while (!WL.empty()) {
2678 // Dequeue the worklist item.
2679 VisitorJob LI = WL.pop_back_val();
2681 // Set the Parent field, then back to its old value once we're done.
2682 SetParentRAII SetParent(Parent, StmtParent, LI.getParent());
2684 switch (LI.getKind()) {
2685 case VisitorJob::DeclVisitKind: {
2686 const Decl *D = cast<DeclVisit>(&LI)->get();
2690 // For now, perform default visitation for Decls.
2691 if (Visit(MakeCXCursor(D, TU, RegionOfInterest,
2692 cast<DeclVisit>(&LI)->isFirst())))
2697 case VisitorJob::ExplicitTemplateArgsVisitKind: {
2698 for (const TemplateArgumentLoc &Arg :
2699 *cast<ExplicitTemplateArgsVisit>(&LI)) {
2700 if (VisitTemplateArgumentLoc(Arg))
2705 case VisitorJob::TypeLocVisitKind: {
2706 // Perform default visitation for TypeLocs.
2707 if (Visit(cast<TypeLocVisit>(&LI)->get()))
2711 case VisitorJob::LabelRefVisitKind: {
2712 const LabelDecl *LS = cast<LabelRefVisit>(&LI)->get();
2713 if (LabelStmt *stmt = LS->getStmt()) {
2714 if (Visit(MakeCursorLabelRef(stmt, cast<LabelRefVisit>(&LI)->getLoc(),
2722 case VisitorJob::NestedNameSpecifierLocVisitKind: {
2723 NestedNameSpecifierLocVisit *V = cast<NestedNameSpecifierLocVisit>(&LI);
2724 if (VisitNestedNameSpecifierLoc(V->get()))
2729 case VisitorJob::DeclarationNameInfoVisitKind: {
2730 if (VisitDeclarationNameInfo(cast<DeclarationNameInfoVisit>(&LI)
2735 case VisitorJob::MemberRefVisitKind: {
2736 MemberRefVisit *V = cast<MemberRefVisit>(&LI);
2737 if (Visit(MakeCursorMemberRef(V->get(), V->getLoc(), TU)))
2741 case VisitorJob::StmtVisitKind: {
2742 const Stmt *S = cast<StmtVisit>(&LI)->get();
2746 // Update the current cursor.
2747 CXCursor Cursor = MakeCXCursor(S, StmtParent, TU, RegionOfInterest);
2748 if (!IsInRegionOfInterest(Cursor))
2750 switch (Visitor(Cursor, Parent, ClientData)) {
2751 case CXChildVisit_Break: return true;
2752 case CXChildVisit_Continue: break;
2753 case CXChildVisit_Recurse:
2754 if (PostChildrenVisitor)
2755 WL.push_back(PostChildrenVisit(nullptr, Cursor));
2756 EnqueueWorkList(WL, S);
2761 case VisitorJob::MemberExprPartsKind: {
2762 // Handle the other pieces in the MemberExpr besides the base.
2763 const MemberExpr *M = cast<MemberExprParts>(&LI)->get();
2765 // Visit the nested-name-specifier
2766 if (NestedNameSpecifierLoc QualifierLoc = M->getQualifierLoc())
2767 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2770 // Visit the declaration name.
2771 if (VisitDeclarationNameInfo(M->getMemberNameInfo()))
2774 // Visit the explicitly-specified template arguments, if any.
2775 if (M->hasExplicitTemplateArgs()) {
2776 for (const TemplateArgumentLoc *Arg = M->getTemplateArgs(),
2777 *ArgEnd = Arg + M->getNumTemplateArgs();
2778 Arg != ArgEnd; ++Arg) {
2779 if (VisitTemplateArgumentLoc(*Arg))
2785 case VisitorJob::DeclRefExprPartsKind: {
2786 const DeclRefExpr *DR = cast<DeclRefExprParts>(&LI)->get();
2787 // Visit nested-name-specifier, if present.
2788 if (NestedNameSpecifierLoc QualifierLoc = DR->getQualifierLoc())
2789 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2791 // Visit declaration name.
2792 if (VisitDeclarationNameInfo(DR->getNameInfo()))
2796 case VisitorJob::OverloadExprPartsKind: {
2797 const OverloadExpr *O = cast<OverloadExprParts>(&LI)->get();
2798 // Visit the nested-name-specifier.
2799 if (NestedNameSpecifierLoc QualifierLoc = O->getQualifierLoc())
2800 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2802 // Visit the declaration name.
2803 if (VisitDeclarationNameInfo(O->getNameInfo()))
2805 // Visit the overloaded declaration reference.
2806 if (Visit(MakeCursorOverloadedDeclRef(O, TU)))
2810 case VisitorJob::SizeOfPackExprPartsKind: {
2811 const SizeOfPackExpr *E = cast<SizeOfPackExprParts>(&LI)->get();
2812 NamedDecl *Pack = E->getPack();
2813 if (isa<TemplateTypeParmDecl>(Pack)) {
2814 if (Visit(MakeCursorTypeRef(cast<TemplateTypeParmDecl>(Pack),
2815 E->getPackLoc(), TU)))
2821 if (isa<TemplateTemplateParmDecl>(Pack)) {
2822 if (Visit(MakeCursorTemplateRef(cast<TemplateTemplateParmDecl>(Pack),
2823 E->getPackLoc(), TU)))
2829 // Non-type template parameter packs and function parameter packs are
2830 // treated like DeclRefExpr cursors.
2834 case VisitorJob::LambdaExprPartsKind: {
2836 const LambdaExpr *E = cast<LambdaExprParts>(&LI)->get();
2837 for (LambdaExpr::capture_iterator C = E->explicit_capture_begin(),
2838 CEnd = E->explicit_capture_end();
2840 // FIXME: Lambda init-captures.
2841 if (!C->capturesVariable())
2844 if (Visit(MakeCursorVariableRef(C->getCapturedVar(),
2850 // Visit parameters and return type, if present.
2851 if (E->hasExplicitParameters() || E->hasExplicitResultType()) {
2852 TypeLoc TL = E->getCallOperator()->getTypeSourceInfo()->getTypeLoc();
2853 if (E->hasExplicitParameters() && E->hasExplicitResultType()) {
2854 // Visit the whole type.
2857 } else if (FunctionProtoTypeLoc Proto =
2858 TL.getAs<FunctionProtoTypeLoc>()) {
2859 if (E->hasExplicitParameters()) {
2860 // Visit parameters.
2861 for (unsigned I = 0, N = Proto.getNumParams(); I != N; ++I)
2862 if (Visit(MakeCXCursor(Proto.getParam(I), TU)))
2865 // Visit result type.
2866 if (Visit(Proto.getReturnLoc()))
2874 case VisitorJob::PostChildrenVisitKind:
2875 if (PostChildrenVisitor(Parent, ClientData))
2883 bool CursorVisitor::Visit(const Stmt *S) {
2884 VisitorWorkList *WL = nullptr;
2885 if (!WorkListFreeList.empty()) {
2886 WL = WorkListFreeList.back();
2888 WorkListFreeList.pop_back();
2891 WL = new VisitorWorkList();
2892 WorkListCache.push_back(WL);
2894 EnqueueWorkList(*WL, S);
2895 bool result = RunVisitorWorkList(*WL);
2896 WorkListFreeList.push_back(WL);
2901 typedef SmallVector<SourceRange, 4> RefNamePieces;
2902 RefNamePieces buildPieces(unsigned NameFlags, bool IsMemberRefExpr,
2903 const DeclarationNameInfo &NI, SourceRange QLoc,
2904 const SourceRange *TemplateArgsLoc = nullptr) {
2905 const bool WantQualifier = NameFlags & CXNameRange_WantQualifier;
2906 const bool WantTemplateArgs = NameFlags & CXNameRange_WantTemplateArgs;
2907 const bool WantSinglePiece = NameFlags & CXNameRange_WantSinglePiece;
2909 const DeclarationName::NameKind Kind = NI.getName().getNameKind();
2911 RefNamePieces Pieces;
2913 if (WantQualifier && QLoc.isValid())
2914 Pieces.push_back(QLoc);
2916 if (Kind != DeclarationName::CXXOperatorName || IsMemberRefExpr)
2917 Pieces.push_back(NI.getLoc());
2919 if (WantTemplateArgs && TemplateArgsLoc && TemplateArgsLoc->isValid())
2920 Pieces.push_back(*TemplateArgsLoc);
2922 if (Kind == DeclarationName::CXXOperatorName) {
2923 Pieces.push_back(SourceLocation::getFromRawEncoding(
2924 NI.getInfo().CXXOperatorName.BeginOpNameLoc));
2925 Pieces.push_back(SourceLocation::getFromRawEncoding(
2926 NI.getInfo().CXXOperatorName.EndOpNameLoc));
2929 if (WantSinglePiece) {
2930 SourceRange R(Pieces.front().getBegin(), Pieces.back().getEnd());
2932 Pieces.push_back(R);
2939 //===----------------------------------------------------------------------===//
2941 //===----------------------------------------------------------------------===//
2943 static void fatal_error_handler(void *user_data, const std::string& reason,
2944 bool gen_crash_diag) {
2945 // Write the result out to stderr avoiding errs() because raw_ostreams can
2946 // call report_fatal_error.
2947 fprintf(stderr, "LIBCLANG FATAL ERROR: %s\n", reason.c_str());
2952 struct RegisterFatalErrorHandler {
2953 RegisterFatalErrorHandler() {
2954 llvm::install_fatal_error_handler(fatal_error_handler, nullptr);
2959 static llvm::ManagedStatic<RegisterFatalErrorHandler> RegisterFatalErrorHandlerOnce;
2962 CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
2963 int displayDiagnostics) {
2964 // We use crash recovery to make some of our APIs more reliable, implicitly
2966 if (!getenv("LIBCLANG_DISABLE_CRASH_RECOVERY"))
2967 llvm::CrashRecoveryContext::Enable();
2969 // Look through the managed static to trigger construction of the managed
2970 // static which registers our fatal error handler. This ensures it is only
2972 (void)*RegisterFatalErrorHandlerOnce;
2974 // Initialize targets for clang module support.
2975 llvm::InitializeAllTargets();
2976 llvm::InitializeAllTargetMCs();
2977 llvm::InitializeAllAsmPrinters();
2978 llvm::InitializeAllAsmParsers();
2980 CIndexer *CIdxr = new CIndexer();
2982 if (excludeDeclarationsFromPCH)
2983 CIdxr->setOnlyLocalDecls();
2984 if (displayDiagnostics)
2985 CIdxr->setDisplayDiagnostics();
2987 if (getenv("LIBCLANG_BGPRIO_INDEX"))
2988 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
2989 CXGlobalOpt_ThreadBackgroundPriorityForIndexing);
2990 if (getenv("LIBCLANG_BGPRIO_EDIT"))
2991 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
2992 CXGlobalOpt_ThreadBackgroundPriorityForEditing);
2997 void clang_disposeIndex(CXIndex CIdx) {
2999 delete static_cast<CIndexer *>(CIdx);
3002 void clang_CXIndex_setGlobalOptions(CXIndex CIdx, unsigned options) {
3004 static_cast<CIndexer *>(CIdx)->setCXGlobalOptFlags(options);
3007 unsigned clang_CXIndex_getGlobalOptions(CXIndex CIdx) {
3009 return static_cast<CIndexer *>(CIdx)->getCXGlobalOptFlags();
3013 void clang_toggleCrashRecovery(unsigned isEnabled) {
3015 llvm::CrashRecoveryContext::Enable();
3017 llvm::CrashRecoveryContext::Disable();
3020 CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
3021 const char *ast_filename) {
3022 CXTranslationUnit TU;
3023 enum CXErrorCode Result =
3024 clang_createTranslationUnit2(CIdx, ast_filename, &TU);
3026 assert((TU && Result == CXError_Success) ||
3027 (!TU && Result != CXError_Success));
3031 enum CXErrorCode clang_createTranslationUnit2(CXIndex CIdx,
3032 const char *ast_filename,
3033 CXTranslationUnit *out_TU) {
3037 if (!CIdx || !ast_filename || !out_TU)
3038 return CXError_InvalidArguments;
3041 *Log << ast_filename;
3044 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3045 FileSystemOptions FileSystemOpts;
3047 IntrusiveRefCntPtr<DiagnosticsEngine> Diags =
3048 CompilerInstance::createDiagnostics(new DiagnosticOptions());
3049 std::unique_ptr<ASTUnit> AU = ASTUnit::LoadFromASTFile(
3050 ast_filename, CXXIdx->getPCHContainerOperations()->getRawReader(), Diags,
3051 FileSystemOpts, /*UseDebugInfo=*/false,
3052 CXXIdx->getOnlyLocalDecls(), None,
3053 /*CaptureDiagnostics=*/true,
3054 /*AllowPCHWithCompilerErrors=*/true,
3055 /*UserFilesAreVolatile=*/true);
3056 *out_TU = MakeCXTranslationUnit(CXXIdx, AU.release());
3057 return *out_TU ? CXError_Success : CXError_Failure;
3060 unsigned clang_defaultEditingTranslationUnitOptions() {
3061 return CXTranslationUnit_PrecompiledPreamble |
3062 CXTranslationUnit_CacheCompletionResults;
3066 clang_createTranslationUnitFromSourceFile(CXIndex CIdx,
3067 const char *source_filename,
3068 int num_command_line_args,
3069 const char * const *command_line_args,
3070 unsigned num_unsaved_files,
3071 struct CXUnsavedFile *unsaved_files) {
3072 unsigned Options = CXTranslationUnit_DetailedPreprocessingRecord;
3073 return clang_parseTranslationUnit(CIdx, source_filename,
3074 command_line_args, num_command_line_args,
3075 unsaved_files, num_unsaved_files,
3080 clang_parseTranslationUnit_Impl(CXIndex CIdx, const char *source_filename,
3081 const char *const *command_line_args,
3082 int num_command_line_args,
3083 ArrayRef<CXUnsavedFile> unsaved_files,
3084 unsigned options, CXTranslationUnit *out_TU) {
3085 // Set up the initial return values.
3090 if (!CIdx || !out_TU)
3091 return CXError_InvalidArguments;
3093 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3095 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3096 setThreadBackgroundPriority();
3098 bool PrecompilePreamble = options & CXTranslationUnit_PrecompiledPreamble;
3099 bool CreatePreambleOnFirstParse =
3100 options & CXTranslationUnit_CreatePreambleOnFirstParse;
3101 // FIXME: Add a flag for modules.
3102 TranslationUnitKind TUKind
3103 = (options & CXTranslationUnit_Incomplete)? TU_Prefix : TU_Complete;
3104 bool CacheCodeCompletionResults
3105 = options & CXTranslationUnit_CacheCompletionResults;
3106 bool IncludeBriefCommentsInCodeCompletion
3107 = options & CXTranslationUnit_IncludeBriefCommentsInCodeCompletion;
3108 bool SkipFunctionBodies = options & CXTranslationUnit_SkipFunctionBodies;
3109 bool ForSerialization = options & CXTranslationUnit_ForSerialization;
3111 // Configure the diagnostics.
3112 IntrusiveRefCntPtr<DiagnosticsEngine>
3113 Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions));
3115 // Recover resources if we crash before exiting this function.
3116 llvm::CrashRecoveryContextCleanupRegistrar<DiagnosticsEngine,
3117 llvm::CrashRecoveryContextReleaseRefCleanup<DiagnosticsEngine> >
3118 DiagCleanup(Diags.get());
3120 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3121 new std::vector<ASTUnit::RemappedFile>());
3123 // Recover resources if we crash before exiting this function.
3124 llvm::CrashRecoveryContextCleanupRegistrar<
3125 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3127 for (auto &UF : unsaved_files) {
3128 std::unique_ptr<llvm::MemoryBuffer> MB =
3129 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3130 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3133 std::unique_ptr<std::vector<const char *>> Args(
3134 new std::vector<const char *>());
3136 // Recover resources if we crash before exiting this method.
3137 llvm::CrashRecoveryContextCleanupRegistrar<std::vector<const char*> >
3138 ArgsCleanup(Args.get());
3140 // Since the Clang C library is primarily used by batch tools dealing with
3141 // (often very broken) source code, where spell-checking can have a
3142 // significant negative impact on performance (particularly when
3143 // precompiled headers are involved), we disable it by default.
3144 // Only do this if we haven't found a spell-checking-related argument.
3145 bool FoundSpellCheckingArgument = false;
3146 for (int I = 0; I != num_command_line_args; ++I) {
3147 if (strcmp(command_line_args[I], "-fno-spell-checking") == 0 ||
3148 strcmp(command_line_args[I], "-fspell-checking") == 0) {
3149 FoundSpellCheckingArgument = true;
3153 Args->insert(Args->end(), command_line_args,
3154 command_line_args + num_command_line_args);
3156 if (!FoundSpellCheckingArgument)
3157 Args->insert(Args->begin() + 1, "-fno-spell-checking");
3159 // The 'source_filename' argument is optional. If the caller does not
3160 // specify it then it is assumed that the source file is specified
3161 // in the actual argument list.
3162 // Put the source file after command_line_args otherwise if '-x' flag is
3163 // present it will be unused.
3164 if (source_filename)
3165 Args->push_back(source_filename);
3167 // Do we need the detailed preprocessing record?
3168 if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
3169 Args->push_back("-Xclang");
3170 Args->push_back("-detailed-preprocessing-record");
3173 unsigned NumErrors = Diags->getClient()->getNumErrors();
3174 std::unique_ptr<ASTUnit> ErrUnit;
3175 // Unless the user specified that they want the preamble on the first parse
3176 // set it up to be created on the first reparse. This makes the first parse
3177 // faster, trading for a slower (first) reparse.
3178 unsigned PrecompilePreambleAfterNParses =
3179 !PrecompilePreamble ? 0 : 2 - CreatePreambleOnFirstParse;
3180 std::unique_ptr<ASTUnit> Unit(ASTUnit::LoadFromCommandLine(
3181 Args->data(), Args->data() + Args->size(),
3182 CXXIdx->getPCHContainerOperations(), Diags,
3183 CXXIdx->getClangResourcesPath(), CXXIdx->getOnlyLocalDecls(),
3184 /*CaptureDiagnostics=*/true, *RemappedFiles.get(),
3185 /*RemappedFilesKeepOriginalName=*/true, PrecompilePreambleAfterNParses,
3186 TUKind, CacheCodeCompletionResults, IncludeBriefCommentsInCodeCompletion,
3187 /*AllowPCHWithCompilerErrors=*/true, SkipFunctionBodies,
3188 /*UserFilesAreVolatile=*/true, ForSerialization,
3189 CXXIdx->getPCHContainerOperations()->getRawReader().getFormat(),
3192 // Early failures in LoadFromCommandLine may return with ErrUnit unset.
3193 if (!Unit && !ErrUnit)
3194 return CXError_ASTReadError;
3196 if (NumErrors != Diags->getClient()->getNumErrors()) {
3197 // Make sure to check that 'Unit' is non-NULL.
3198 if (CXXIdx->getDisplayDiagnostics())
3199 printDiagsToStderr(Unit ? Unit.get() : ErrUnit.get());
3202 if (isASTReadError(Unit ? Unit.get() : ErrUnit.get()))
3203 return CXError_ASTReadError;
3205 *out_TU = MakeCXTranslationUnit(CXXIdx, Unit.release());
3206 return *out_TU ? CXError_Success : CXError_Failure;
3210 clang_parseTranslationUnit(CXIndex CIdx,
3211 const char *source_filename,
3212 const char *const *command_line_args,
3213 int num_command_line_args,
3214 struct CXUnsavedFile *unsaved_files,
3215 unsigned num_unsaved_files,
3217 CXTranslationUnit TU;
3218 enum CXErrorCode Result = clang_parseTranslationUnit2(
3219 CIdx, source_filename, command_line_args, num_command_line_args,
3220 unsaved_files, num_unsaved_files, options, &TU);
3222 assert((TU && Result == CXError_Success) ||
3223 (!TU && Result != CXError_Success));
3227 enum CXErrorCode clang_parseTranslationUnit2(
3228 CXIndex CIdx, const char *source_filename,
3229 const char *const *command_line_args, int num_command_line_args,
3230 struct CXUnsavedFile *unsaved_files, unsigned num_unsaved_files,
3231 unsigned options, CXTranslationUnit *out_TU) {
3232 SmallVector<const char *, 4> Args;
3233 Args.push_back("clang");
3234 Args.append(command_line_args, command_line_args + num_command_line_args);
3235 return clang_parseTranslationUnit2FullArgv(
3236 CIdx, source_filename, Args.data(), Args.size(), unsaved_files,
3237 num_unsaved_files, options, out_TU);
3240 enum CXErrorCode clang_parseTranslationUnit2FullArgv(
3241 CXIndex CIdx, const char *source_filename,
3242 const char *const *command_line_args, int num_command_line_args,
3243 struct CXUnsavedFile *unsaved_files, unsigned num_unsaved_files,
3244 unsigned options, CXTranslationUnit *out_TU) {
3246 *Log << source_filename << ": ";
3247 for (int i = 0; i != num_command_line_args; ++i)
3248 *Log << command_line_args[i] << " ";
3251 if (num_unsaved_files && !unsaved_files)
3252 return CXError_InvalidArguments;
3254 CXErrorCode result = CXError_Failure;
3255 auto ParseTranslationUnitImpl = [=, &result] {
3256 result = clang_parseTranslationUnit_Impl(
3257 CIdx, source_filename, command_line_args, num_command_line_args,
3258 llvm::makeArrayRef(unsaved_files, num_unsaved_files), options, out_TU);
3260 llvm::CrashRecoveryContext CRC;
3262 if (!RunSafely(CRC, ParseTranslationUnitImpl)) {
3263 fprintf(stderr, "libclang: crash detected during parsing: {\n");
3264 fprintf(stderr, " 'source_filename' : '%s'\n", source_filename);
3265 fprintf(stderr, " 'command_line_args' : [");
3266 for (int i = 0; i != num_command_line_args; ++i) {
3268 fprintf(stderr, ", ");
3269 fprintf(stderr, "'%s'", command_line_args[i]);
3271 fprintf(stderr, "],\n");
3272 fprintf(stderr, " 'unsaved_files' : [");
3273 for (unsigned i = 0; i != num_unsaved_files; ++i) {
3275 fprintf(stderr, ", ");
3276 fprintf(stderr, "('%s', '...', %ld)", unsaved_files[i].Filename,
3277 unsaved_files[i].Length);
3279 fprintf(stderr, "],\n");
3280 fprintf(stderr, " 'options' : %d,\n", options);
3281 fprintf(stderr, "}\n");
3283 return CXError_Crashed;
3284 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3285 if (CXTranslationUnit *TU = out_TU)
3286 PrintLibclangResourceUsage(*TU);
3292 CXString clang_Type_getObjCEncoding(CXType CT) {
3293 CXTranslationUnit tu = static_cast<CXTranslationUnit>(CT.data[1]);
3294 ASTContext &Ctx = getASTUnit(tu)->getASTContext();
3295 std::string encoding;
3296 Ctx.getObjCEncodingForType(QualType::getFromOpaquePtr(CT.data[0]),
3299 return cxstring::createDup(encoding);
3302 static const IdentifierInfo *getMacroIdentifier(CXCursor C) {
3303 if (C.kind == CXCursor_MacroDefinition) {
3304 if (const MacroDefinitionRecord *MDR = getCursorMacroDefinition(C))
3305 return MDR->getName();
3306 } else if (C.kind == CXCursor_MacroExpansion) {
3307 MacroExpansionCursor ME = getCursorMacroExpansion(C);
3308 return ME.getName();
3313 unsigned clang_Cursor_isMacroFunctionLike(CXCursor C) {
3314 const IdentifierInfo *II = getMacroIdentifier(C);
3318 ASTUnit *ASTU = getCursorASTUnit(C);
3319 Preprocessor &PP = ASTU->getPreprocessor();
3320 if (const MacroInfo *MI = PP.getMacroInfo(II))
3321 return MI->isFunctionLike();
3325 unsigned clang_Cursor_isMacroBuiltin(CXCursor C) {
3326 const IdentifierInfo *II = getMacroIdentifier(C);
3330 ASTUnit *ASTU = getCursorASTUnit(C);
3331 Preprocessor &PP = ASTU->getPreprocessor();
3332 if (const MacroInfo *MI = PP.getMacroInfo(II))
3333 return MI->isBuiltinMacro();
3337 unsigned clang_Cursor_isFunctionInlined(CXCursor C) {
3338 const Decl *D = getCursorDecl(C);
3339 const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D);
3343 return FD->isInlined();
3346 static StringLiteral* getCFSTR_value(CallExpr *callExpr) {
3347 if (callExpr->getNumArgs() != 1) {
3351 StringLiteral *S = nullptr;
3352 auto *arg = callExpr->getArg(0);
3353 if (arg->getStmtClass() == Stmt::ImplicitCastExprClass) {
3354 ImplicitCastExpr *I = static_cast<ImplicitCastExpr *>(arg);
3355 auto *subExpr = I->getSubExprAsWritten();
3357 if(subExpr->getStmtClass() != Stmt::StringLiteralClass){
3361 S = static_cast<StringLiteral *>(I->getSubExprAsWritten());
3362 } else if (arg->getStmtClass() == Stmt::StringLiteralClass) {
3363 S = static_cast<StringLiteral *>(callExpr->getArg(0));
3371 CXEvalResultKind EvalType;
3379 void clang_EvalResult_dispose(CXEvalResult E) {
3380 ExprEvalResult *ER = (ExprEvalResult *)E;
3382 CXEvalResultKind evalType = ER->EvalType;
3384 if (evalType != CXEval_UnExposed && evalType != CXEval_Float &&
3385 evalType != CXEval_Int && ER->EvalData.stringVal) {
3386 free((void *) ER->EvalData.stringVal);
3392 CXEvalResultKind clang_EvalResult_getKind(CXEvalResult E) {
3394 return CXEval_UnExposed;
3396 return ((ExprEvalResult *)E)->EvalType;
3399 int clang_EvalResult_getAsInt(CXEvalResult E) {
3403 return ((ExprEvalResult *)E)->EvalData.intVal;
3406 double clang_EvalResult_getAsDouble(CXEvalResult E) {
3410 return ((ExprEvalResult *)E)->EvalData.floatVal;
3413 const char* clang_EvalResult_getAsStr(CXEvalResult E) {
3417 return ((ExprEvalResult *)E)->EvalData.stringVal;
3420 static const ExprEvalResult* evaluateExpr(Expr *expr, CXCursor C) {
3421 Expr::EvalResult ER;
3422 ASTContext &ctx = getCursorContext(C);
3426 expr = expr->IgnoreParens();
3427 bool res = expr->EvaluateAsRValue(ER, ctx);
3430 ExprEvalResult *result = (ExprEvalResult *) malloc(sizeof(ExprEvalResult));
3434 result->EvalType = CXEval_UnExposed;
3438 if (ER.Val.isInt()) {
3439 result->EvalType = CXEval_Int;
3440 result->EvalData.intVal = ER.Val.getInt().getExtValue();
3442 } else if (ER.Val.isFloat()) {
3444 llvm::SmallVector<char, 100> Buffer;
3445 ER.Val.getFloat().toString(Buffer);
3446 std::string floatStr(Buffer.data(), Buffer.size());
3447 result->EvalType = CXEval_Float;
3449 llvm::APFloat apFloat = ER.Val.getFloat();
3450 apFloat.convert(llvm::APFloat::IEEEdouble,
3451 llvm::APFloat::rmNearestTiesToEven, &ignored);
3452 result->EvalData.floatVal = apFloat.convertToDouble();
3455 } else if (expr->getStmtClass() == Stmt::ImplicitCastExprClass) {
3457 const ImplicitCastExpr *I = dyn_cast<ImplicitCastExpr>(expr);
3458 auto *subExpr = I->getSubExprAsWritten();
3459 if (subExpr->getStmtClass() == Stmt::StringLiteralClass ||
3460 subExpr->getStmtClass() == Stmt::ObjCStringLiteralClass) {
3462 const StringLiteral *StrE = nullptr;
3463 const ObjCStringLiteral *ObjCExpr;
3464 ObjCExpr = dyn_cast<ObjCStringLiteral>(subExpr);
3467 StrE = ObjCExpr->getString();
3468 result->EvalType = CXEval_ObjCStrLiteral;
3470 StrE = cast<StringLiteral>(I->getSubExprAsWritten());
3471 result->EvalType = CXEval_StrLiteral;
3474 std::string strRef(StrE->getString().str());
3475 result->EvalData.stringVal = (char *)malloc(strRef.size()+1);
3476 strncpy((char*)result->EvalData.stringVal, strRef.c_str(),
3478 result->EvalData.stringVal[strRef.size()] = '\0';
3482 } else if (expr->getStmtClass() == Stmt::ObjCStringLiteralClass ||
3483 expr->getStmtClass() == Stmt::StringLiteralClass) {
3485 const StringLiteral *StrE = nullptr;
3486 const ObjCStringLiteral *ObjCExpr;
3487 ObjCExpr = dyn_cast<ObjCStringLiteral>(expr);
3490 StrE = ObjCExpr->getString();
3491 result->EvalType = CXEval_ObjCStrLiteral;
3493 StrE = cast<StringLiteral>(expr);
3494 result->EvalType = CXEval_StrLiteral;
3497 std::string strRef(StrE->getString().str());
3498 result->EvalData.stringVal = (char *)malloc(strRef.size()+1);
3499 strncpy((char*)result->EvalData.stringVal, strRef.c_str(),
3501 result->EvalData.stringVal[strRef.size()] = '\0';
3504 } else if (expr->getStmtClass() == Stmt::CStyleCastExprClass) {
3506 CStyleCastExpr *CC = static_cast<CStyleCastExpr *>(expr);
3508 rettype = CC->getType();
3509 if (rettype.getAsString() == "CFStringRef" &&
3510 CC->getSubExpr()->getStmtClass() == Stmt::CallExprClass) {
3512 callExpr = static_cast<CallExpr *>(CC->getSubExpr());
3513 StringLiteral* S = getCFSTR_value(callExpr);
3515 std::string strLiteral(S->getString().str());
3516 result->EvalType = CXEval_CFStr;
3518 result->EvalData.stringVal = (char *)malloc(strLiteral.size()+1);
3519 strncpy((char*)result->EvalData.stringVal, strLiteral.c_str(),
3521 result->EvalData.stringVal[strLiteral.size()] = '\0';
3526 } else if (expr->getStmtClass() == Stmt::CallExprClass) {
3528 callExpr = static_cast<CallExpr *>(expr);
3529 rettype = callExpr->getCallReturnType(ctx);
3531 if (rettype->isVectorType() || callExpr->getNumArgs() > 1) {
3534 if (rettype->isIntegralType(ctx) || rettype->isRealFloatingType()) {
3535 if(callExpr->getNumArgs() == 1 &&
3536 !callExpr->getArg(0)->getType()->isIntegralType(ctx)){
3540 } else if(rettype.getAsString() == "CFStringRef") {
3542 StringLiteral* S = getCFSTR_value(callExpr);
3544 std::string strLiteral(S->getString().str());
3545 result->EvalType = CXEval_CFStr;
3546 result->EvalData.stringVal = (char *)malloc(strLiteral.size()+1);
3547 strncpy((char*)result->EvalData.stringVal, strLiteral.c_str(),
3549 result->EvalData.stringVal[strLiteral.size()] = '\0';
3554 } else if (expr->getStmtClass() == Stmt::DeclRefExprClass) {
3556 DeclRefExpr *D = static_cast<DeclRefExpr *>(expr);
3557 ValueDecl *V = D->getDecl();
3558 if (V->getKind() == Decl::Function) {
3559 std::string strName(V->getNameAsString());
3560 result->EvalType = CXEval_Other;
3561 result->EvalData.stringVal = (char *)malloc(strName.size()+1);
3562 strncpy((char*)result->EvalData.stringVal, strName.c_str(),
3564 result->EvalData.stringVal[strName.size()] = '\0';
3571 clang_EvalResult_dispose((CXEvalResult *)result);
3575 CXEvalResult clang_Cursor_Evaluate(CXCursor C) {
3576 const Decl *D = getCursorDecl(C);
3578 const Expr *expr = nullptr;
3579 if (auto *Var = dyn_cast<VarDecl>(D)) {
3580 expr = Var->getInit();
3581 } else if (auto *Field = dyn_cast<FieldDecl>(D)) {
3582 expr = Field->getInClassInitializer();
3585 return (CXEvalResult)evaluateExpr((Expr *)expr, C);
3589 const CompoundStmt *compoundStmt = dyn_cast_or_null<CompoundStmt>(getCursorStmt(C));
3591 Expr *expr = nullptr;
3592 for (auto *bodyIterator : compoundStmt->body()) {
3593 if ((expr = dyn_cast<Expr>(bodyIterator))) {
3598 return (CXEvalResult)evaluateExpr(expr, C);
3603 unsigned clang_Cursor_hasAttrs(CXCursor C) {
3604 const Decl *D = getCursorDecl(C);
3609 if (D->hasAttrs()) {
3615 unsigned clang_defaultSaveOptions(CXTranslationUnit TU) {
3616 return CXSaveTranslationUnit_None;
3619 static CXSaveError clang_saveTranslationUnit_Impl(CXTranslationUnit TU,
3620 const char *FileName,
3622 CIndexer *CXXIdx = TU->CIdx;
3623 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3624 setThreadBackgroundPriority();
3626 bool hadError = cxtu::getASTUnit(TU)->Save(FileName);
3627 return hadError ? CXSaveError_Unknown : CXSaveError_None;
3630 int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
3633 *Log << TU << ' ' << FileName;
3636 if (isNotUsableTU(TU)) {
3638 return CXSaveError_InvalidTU;
3641 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3642 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3643 if (!CXXUnit->hasSema())
3644 return CXSaveError_InvalidTU;
3647 auto SaveTranslationUnitImpl = [=, &result]() {
3648 result = clang_saveTranslationUnit_Impl(TU, FileName, options);
3651 if (!CXXUnit->getDiagnostics().hasUnrecoverableErrorOccurred() ||
3652 getenv("LIBCLANG_NOTHREADS")) {
3653 SaveTranslationUnitImpl();
3655 if (getenv("LIBCLANG_RESOURCE_USAGE"))
3656 PrintLibclangResourceUsage(TU);
3661 // We have an AST that has invalid nodes due to compiler errors.
3662 // Use a crash recovery thread for protection.
3664 llvm::CrashRecoveryContext CRC;
3666 if (!RunSafely(CRC, SaveTranslationUnitImpl)) {
3667 fprintf(stderr, "libclang: crash detected during AST saving: {\n");
3668 fprintf(stderr, " 'filename' : '%s'\n", FileName);
3669 fprintf(stderr, " 'options' : %d,\n", options);
3670 fprintf(stderr, "}\n");
3672 return CXSaveError_Unknown;
3674 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3675 PrintLibclangResourceUsage(TU);
3681 void clang_disposeTranslationUnit(CXTranslationUnit CTUnit) {
3683 // If the translation unit has been marked as unsafe to free, just discard
3685 ASTUnit *Unit = cxtu::getASTUnit(CTUnit);
3686 if (Unit && Unit->isUnsafeToFree())
3689 delete cxtu::getASTUnit(CTUnit);
3690 delete CTUnit->StringPool;
3691 delete static_cast<CXDiagnosticSetImpl *>(CTUnit->Diagnostics);
3692 disposeOverridenCXCursorsPool(CTUnit->OverridenCursorsPool);
3693 delete CTUnit->CommentToXML;
3698 unsigned clang_defaultReparseOptions(CXTranslationUnit TU) {
3699 return CXReparse_None;
3703 clang_reparseTranslationUnit_Impl(CXTranslationUnit TU,
3704 ArrayRef<CXUnsavedFile> unsaved_files,
3707 if (isNotUsableTU(TU)) {
3709 return CXError_InvalidArguments;
3712 // Reset the associated diagnostics.
3713 delete static_cast<CXDiagnosticSetImpl*>(TU->Diagnostics);
3714 TU->Diagnostics = nullptr;
3716 CIndexer *CXXIdx = TU->CIdx;
3717 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
3718 setThreadBackgroundPriority();
3720 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3721 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3723 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3724 new std::vector<ASTUnit::RemappedFile>());
3726 // Recover resources if we crash before exiting this function.
3727 llvm::CrashRecoveryContextCleanupRegistrar<
3728 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3730 for (auto &UF : unsaved_files) {
3731 std::unique_ptr<llvm::MemoryBuffer> MB =
3732 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3733 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3736 if (!CXXUnit->Reparse(CXXIdx->getPCHContainerOperations(),
3737 *RemappedFiles.get()))
3738 return CXError_Success;
3739 if (isASTReadError(CXXUnit))
3740 return CXError_ASTReadError;
3741 return CXError_Failure;
3744 int clang_reparseTranslationUnit(CXTranslationUnit TU,
3745 unsigned num_unsaved_files,
3746 struct CXUnsavedFile *unsaved_files,
3752 if (num_unsaved_files && !unsaved_files)
3753 return CXError_InvalidArguments;
3756 auto ReparseTranslationUnitImpl = [=, &result]() {
3757 result = clang_reparseTranslationUnit_Impl(
3758 TU, llvm::makeArrayRef(unsaved_files, num_unsaved_files), options);
3761 if (getenv("LIBCLANG_NOTHREADS")) {
3762 ReparseTranslationUnitImpl();
3766 llvm::CrashRecoveryContext CRC;
3768 if (!RunSafely(CRC, ReparseTranslationUnitImpl)) {
3769 fprintf(stderr, "libclang: crash detected during reparsing\n");
3770 cxtu::getASTUnit(TU)->setUnsafeToFree(true);
3771 return CXError_Crashed;
3772 } else if (getenv("LIBCLANG_RESOURCE_USAGE"))
3773 PrintLibclangResourceUsage(TU);
3779 CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
3780 if (isNotUsableTU(CTUnit)) {
3782 return cxstring::createEmpty();
3785 ASTUnit *CXXUnit = cxtu::getASTUnit(CTUnit);
3786 return cxstring::createDup(CXXUnit->getOriginalSourceFileName());
3789 CXCursor clang_getTranslationUnitCursor(CXTranslationUnit TU) {
3790 if (isNotUsableTU(TU)) {
3792 return clang_getNullCursor();
3795 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3796 return MakeCXCursor(CXXUnit->getASTContext().getTranslationUnitDecl(), TU);
3799 } // end: extern "C"
3801 //===----------------------------------------------------------------------===//
3802 // CXFile Operations.
3803 //===----------------------------------------------------------------------===//
3806 CXString clang_getFileName(CXFile SFile) {
3808 return cxstring::createNull();
3810 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3811 return cxstring::createRef(FEnt->getName());
3814 time_t clang_getFileTime(CXFile SFile) {
3818 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3819 return FEnt->getModificationTime();
3822 CXFile clang_getFile(CXTranslationUnit TU, const char *file_name) {
3823 if (isNotUsableTU(TU)) {
3828 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3830 FileManager &FMgr = CXXUnit->getFileManager();
3831 return const_cast<FileEntry *>(FMgr.getFile(file_name));
3834 unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit TU,
3836 if (isNotUsableTU(TU)) {
3844 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3845 FileEntry *FEnt = static_cast<FileEntry *>(file);
3846 return CXXUnit->getPreprocessor().getHeaderSearchInfo()
3847 .isFileMultipleIncludeGuarded(FEnt);
3850 int clang_getFileUniqueID(CXFile file, CXFileUniqueID *outID) {
3851 if (!file || !outID)
3854 FileEntry *FEnt = static_cast<FileEntry *>(file);
3855 const llvm::sys::fs::UniqueID &ID = FEnt->getUniqueID();
3856 outID->data[0] = ID.getDevice();
3857 outID->data[1] = ID.getFile();
3858 outID->data[2] = FEnt->getModificationTime();
3862 int clang_File_isEqual(CXFile file1, CXFile file2) {
3866 if (!file1 || !file2)
3869 FileEntry *FEnt1 = static_cast<FileEntry *>(file1);
3870 FileEntry *FEnt2 = static_cast<FileEntry *>(file2);
3871 return FEnt1->getUniqueID() == FEnt2->getUniqueID();
3874 } // end: extern "C"
3876 //===----------------------------------------------------------------------===//
3877 // CXCursor Operations.
3878 //===----------------------------------------------------------------------===//
3880 static const Decl *getDeclFromExpr(const Stmt *E) {
3881 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3882 return getDeclFromExpr(CE->getSubExpr());
3884 if (const DeclRefExpr *RefExpr = dyn_cast<DeclRefExpr>(E))
3885 return RefExpr->getDecl();
3886 if (const MemberExpr *ME = dyn_cast<MemberExpr>(E))
3887 return ME->getMemberDecl();
3888 if (const ObjCIvarRefExpr *RE = dyn_cast<ObjCIvarRefExpr>(E))
3889 return RE->getDecl();
3890 if (const ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(E)) {
3891 if (PRE->isExplicitProperty())
3892 return PRE->getExplicitProperty();
3893 // It could be messaging both getter and setter as in:
3895 // in which case prefer to associate the setter since it is less obvious
3896 // from inspecting the source that the setter is going to get called.
3897 if (PRE->isMessagingSetter())
3898 return PRE->getImplicitPropertySetter();
3899 return PRE->getImplicitPropertyGetter();
3901 if (const PseudoObjectExpr *POE = dyn_cast<PseudoObjectExpr>(E))
3902 return getDeclFromExpr(POE->getSyntacticForm());
3903 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E))
3904 if (Expr *Src = OVE->getSourceExpr())
3905 return getDeclFromExpr(Src);
3907 if (const CallExpr *CE = dyn_cast<CallExpr>(E))
3908 return getDeclFromExpr(CE->getCallee());
3909 if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E))
3910 if (!CE->isElidable())
3911 return CE->getConstructor();
3912 if (const ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(E))
3913 return OME->getMethodDecl();
3915 if (const ObjCProtocolExpr *PE = dyn_cast<ObjCProtocolExpr>(E))
3916 return PE->getProtocol();
3917 if (const SubstNonTypeTemplateParmPackExpr *NTTP
3918 = dyn_cast<SubstNonTypeTemplateParmPackExpr>(E))
3919 return NTTP->getParameterPack();
3920 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3921 if (isa<NonTypeTemplateParmDecl>(SizeOfPack->getPack()) ||
3922 isa<ParmVarDecl>(SizeOfPack->getPack()))
3923 return SizeOfPack->getPack();
3928 static SourceLocation getLocationFromExpr(const Expr *E) {
3929 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3930 return getLocationFromExpr(CE->getSubExpr());
3932 if (const ObjCMessageExpr *Msg = dyn_cast<ObjCMessageExpr>(E))
3933 return /*FIXME:*/Msg->getLeftLoc();
3934 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E))
3935 return DRE->getLocation();
3936 if (const MemberExpr *Member = dyn_cast<MemberExpr>(E))
3937 return Member->getMemberLoc();
3938 if (const ObjCIvarRefExpr *Ivar = dyn_cast<ObjCIvarRefExpr>(E))
3939 return Ivar->getLocation();
3940 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3941 return SizeOfPack->getPackLoc();
3942 if (const ObjCPropertyRefExpr *PropRef = dyn_cast<ObjCPropertyRefExpr>(E))
3943 return PropRef->getLocation();
3945 return E->getLocStart();
3948 static std::string getMangledStructor(std::unique_ptr<MangleContext> &M,
3949 std::unique_ptr<llvm::DataLayout> &DL,
3950 const NamedDecl *ND,
3951 unsigned StructorType) {
3952 std::string FrontendBuf;
3953 llvm::raw_string_ostream FOS(FrontendBuf);
3955 if (const auto *CD = dyn_cast_or_null<CXXConstructorDecl>(ND))
3956 M->mangleCXXCtor(CD, static_cast<CXXCtorType>(StructorType), FOS);
3957 else if (const auto *DD = dyn_cast_or_null<CXXDestructorDecl>(ND))
3958 M->mangleCXXDtor(DD, static_cast<CXXDtorType>(StructorType), FOS);
3960 std::string BackendBuf;
3961 llvm::raw_string_ostream BOS(BackendBuf);
3963 llvm::Mangler::getNameWithPrefix(BOS, llvm::Twine(FOS.str()), *DL);
3970 unsigned clang_visitChildren(CXCursor parent,
3971 CXCursorVisitor visitor,
3972 CXClientData client_data) {
3973 CursorVisitor CursorVis(getCursorTU(parent), visitor, client_data,
3974 /*VisitPreprocessorLast=*/false);
3975 return CursorVis.VisitChildren(parent);
3978 #ifndef __has_feature
3979 #define __has_feature(x) 0
3981 #if __has_feature(blocks)
3982 typedef enum CXChildVisitResult
3983 (^CXCursorVisitorBlock)(CXCursor cursor, CXCursor parent);
3985 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
3986 CXClientData client_data) {
3987 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
3988 return block(cursor, parent);
3991 // If we are compiled with a compiler that doesn't have native blocks support,
3992 // define and call the block manually, so the
3993 typedef struct _CXChildVisitResult
3998 enum CXChildVisitResult(*invoke)(struct _CXChildVisitResult*, CXCursor,
4000 } *CXCursorVisitorBlock;
4002 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
4003 CXClientData client_data) {
4004 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
4005 return block->invoke(block, cursor, parent);
4010 unsigned clang_visitChildrenWithBlock(CXCursor parent,
4011 CXCursorVisitorBlock block) {
4012 return clang_visitChildren(parent, visitWithBlock, block);
4015 static CXString getDeclSpelling(const Decl *D) {
4017 return cxstring::createEmpty();
4019 const NamedDecl *ND = dyn_cast<NamedDecl>(D);
4021 if (const ObjCPropertyImplDecl *PropImpl =
4022 dyn_cast<ObjCPropertyImplDecl>(D))
4023 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
4024 return cxstring::createDup(Property->getIdentifier()->getName());
4026 if (const ImportDecl *ImportD = dyn_cast<ImportDecl>(D))
4027 if (Module *Mod = ImportD->getImportedModule())
4028 return cxstring::createDup(Mod->getFullModuleName());
4030 return cxstring::createEmpty();
4033 if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(ND))
4034 return cxstring::createDup(OMD->getSelector().getAsString());
4036 if (const ObjCCategoryImplDecl *CIMP = dyn_cast<ObjCCategoryImplDecl>(ND))
4037 // No, this isn't the same as the code below. getIdentifier() is non-virtual
4038 // and returns different names. NamedDecl returns the class name and
4039 // ObjCCategoryImplDecl returns the category name.
4040 return cxstring::createRef(CIMP->getIdentifier()->getNameStart());
4042 if (isa<UsingDirectiveDecl>(D))
4043 return cxstring::createEmpty();
4045 SmallString<1024> S;
4046 llvm::raw_svector_ostream os(S);
4049 return cxstring::createDup(os.str());
4052 CXString clang_getCursorSpelling(CXCursor C) {
4053 if (clang_isTranslationUnit(C.kind))
4054 return clang_getTranslationUnitSpelling(getCursorTU(C));
4056 if (clang_isReference(C.kind)) {
4058 case CXCursor_ObjCSuperClassRef: {
4059 const ObjCInterfaceDecl *Super = getCursorObjCSuperClassRef(C).first;
4060 return cxstring::createRef(Super->getIdentifier()->getNameStart());
4062 case CXCursor_ObjCClassRef: {
4063 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
4064 return cxstring::createRef(Class->getIdentifier()->getNameStart());
4066 case CXCursor_ObjCProtocolRef: {
4067 const ObjCProtocolDecl *OID = getCursorObjCProtocolRef(C).first;
4068 assert(OID && "getCursorSpelling(): Missing protocol decl");
4069 return cxstring::createRef(OID->getIdentifier()->getNameStart());
4071 case CXCursor_CXXBaseSpecifier: {
4072 const CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
4073 return cxstring::createDup(B->getType().getAsString());
4075 case CXCursor_TypeRef: {
4076 const TypeDecl *Type = getCursorTypeRef(C).first;
4077 assert(Type && "Missing type decl");
4079 return cxstring::createDup(getCursorContext(C).getTypeDeclType(Type).
4082 case CXCursor_TemplateRef: {
4083 const TemplateDecl *Template = getCursorTemplateRef(C).first;
4084 assert(Template && "Missing template decl");
4086 return cxstring::createDup(Template->getNameAsString());
4089 case CXCursor_NamespaceRef: {
4090 const NamedDecl *NS = getCursorNamespaceRef(C).first;
4091 assert(NS && "Missing namespace decl");
4093 return cxstring::createDup(NS->getNameAsString());
4096 case CXCursor_MemberRef: {
4097 const FieldDecl *Field = getCursorMemberRef(C).first;
4098 assert(Field && "Missing member decl");
4100 return cxstring::createDup(Field->getNameAsString());
4103 case CXCursor_LabelRef: {
4104 const LabelStmt *Label = getCursorLabelRef(C).first;
4105 assert(Label && "Missing label");
4107 return cxstring::createRef(Label->getName());
4110 case CXCursor_OverloadedDeclRef: {
4111 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
4112 if (const Decl *D = Storage.dyn_cast<const Decl *>()) {
4113 if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
4114 return cxstring::createDup(ND->getNameAsString());
4115 return cxstring::createEmpty();
4117 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
4118 return cxstring::createDup(E->getName().getAsString());
4119 OverloadedTemplateStorage *Ovl
4120 = Storage.get<OverloadedTemplateStorage*>();
4121 if (Ovl->size() == 0)
4122 return cxstring::createEmpty();
4123 return cxstring::createDup((*Ovl->begin())->getNameAsString());
4126 case CXCursor_VariableRef: {
4127 const VarDecl *Var = getCursorVariableRef(C).first;
4128 assert(Var && "Missing variable decl");
4130 return cxstring::createDup(Var->getNameAsString());
4134 return cxstring::createRef("<not implemented>");
4138 if (clang_isExpression(C.kind)) {
4139 const Expr *E = getCursorExpr(C);
4141 if (C.kind == CXCursor_ObjCStringLiteral ||
4142 C.kind == CXCursor_StringLiteral) {
4143 const StringLiteral *SLit;
4144 if (const ObjCStringLiteral *OSL = dyn_cast<ObjCStringLiteral>(E)) {
4145 SLit = OSL->getString();
4147 SLit = cast<StringLiteral>(E);
4149 SmallString<256> Buf;
4150 llvm::raw_svector_ostream OS(Buf);
4151 SLit->outputString(OS);
4152 return cxstring::createDup(OS.str());
4155 const Decl *D = getDeclFromExpr(getCursorExpr(C));
4157 return getDeclSpelling(D);
4158 return cxstring::createEmpty();
4161 if (clang_isStatement(C.kind)) {
4162 const Stmt *S = getCursorStmt(C);
4163 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S))
4164 return cxstring::createRef(Label->getName());
4166 return cxstring::createEmpty();
4169 if (C.kind == CXCursor_MacroExpansion)
4170 return cxstring::createRef(getCursorMacroExpansion(C).getName()
4173 if (C.kind == CXCursor_MacroDefinition)
4174 return cxstring::createRef(getCursorMacroDefinition(C)->getName()
4177 if (C.kind == CXCursor_InclusionDirective)
4178 return cxstring::createDup(getCursorInclusionDirective(C)->getFileName());
4180 if (clang_isDeclaration(C.kind))
4181 return getDeclSpelling(getCursorDecl(C));
4183 if (C.kind == CXCursor_AnnotateAttr) {
4184 const AnnotateAttr *AA = cast<AnnotateAttr>(cxcursor::getCursorAttr(C));
4185 return cxstring::createDup(AA->getAnnotation());
4188 if (C.kind == CXCursor_AsmLabelAttr) {
4189 const AsmLabelAttr *AA = cast<AsmLabelAttr>(cxcursor::getCursorAttr(C));
4190 return cxstring::createDup(AA->getLabel());
4193 if (C.kind == CXCursor_PackedAttr) {
4194 return cxstring::createRef("packed");
4197 if (C.kind == CXCursor_VisibilityAttr) {
4198 const VisibilityAttr *AA = cast<VisibilityAttr>(cxcursor::getCursorAttr(C));
4199 switch (AA->getVisibility()) {
4200 case VisibilityAttr::VisibilityType::Default:
4201 return cxstring::createRef("default");
4202 case VisibilityAttr::VisibilityType::Hidden:
4203 return cxstring::createRef("hidden");
4204 case VisibilityAttr::VisibilityType::Protected:
4205 return cxstring::createRef("protected");
4207 llvm_unreachable("unknown visibility type");
4210 return cxstring::createEmpty();
4213 CXSourceRange clang_Cursor_getSpellingNameRange(CXCursor C,
4214 unsigned pieceIndex,
4216 if (clang_Cursor_isNull(C))
4217 return clang_getNullRange();
4219 ASTContext &Ctx = getCursorContext(C);
4221 if (clang_isStatement(C.kind)) {
4222 const Stmt *S = getCursorStmt(C);
4223 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S)) {
4225 return clang_getNullRange();
4226 return cxloc::translateSourceRange(Ctx, Label->getIdentLoc());
4229 return clang_getNullRange();
4232 if (C.kind == CXCursor_ObjCMessageExpr) {
4233 if (const ObjCMessageExpr *
4234 ME = dyn_cast_or_null<ObjCMessageExpr>(getCursorExpr(C))) {
4235 if (pieceIndex >= ME->getNumSelectorLocs())
4236 return clang_getNullRange();
4237 return cxloc::translateSourceRange(Ctx, ME->getSelectorLoc(pieceIndex));
4241 if (C.kind == CXCursor_ObjCInstanceMethodDecl ||
4242 C.kind == CXCursor_ObjCClassMethodDecl) {
4243 if (const ObjCMethodDecl *
4244 MD = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(C))) {
4245 if (pieceIndex >= MD->getNumSelectorLocs())
4246 return clang_getNullRange();
4247 return cxloc::translateSourceRange(Ctx, MD->getSelectorLoc(pieceIndex));
4251 if (C.kind == CXCursor_ObjCCategoryDecl ||
4252 C.kind == CXCursor_ObjCCategoryImplDecl) {
4254 return clang_getNullRange();
4255 if (const ObjCCategoryDecl *
4256 CD = dyn_cast_or_null<ObjCCategoryDecl>(getCursorDecl(C)))
4257 return cxloc::translateSourceRange(Ctx, CD->getCategoryNameLoc());
4258 if (const ObjCCategoryImplDecl *
4259 CID = dyn_cast_or_null<ObjCCategoryImplDecl>(getCursorDecl(C)))
4260 return cxloc::translateSourceRange(Ctx, CID->getCategoryNameLoc());
4263 if (C.kind == CXCursor_ModuleImportDecl) {
4265 return clang_getNullRange();
4266 if (const ImportDecl *ImportD =
4267 dyn_cast_or_null<ImportDecl>(getCursorDecl(C))) {
4268 ArrayRef<SourceLocation> Locs = ImportD->getIdentifierLocs();
4270 return cxloc::translateSourceRange(Ctx,
4271 SourceRange(Locs.front(), Locs.back()));
4273 return clang_getNullRange();
4276 if (C.kind == CXCursor_CXXMethod || C.kind == CXCursor_Destructor ||
4277 C.kind == CXCursor_ConversionFunction) {
4279 return clang_getNullRange();
4280 if (const FunctionDecl *FD =
4281 dyn_cast_or_null<FunctionDecl>(getCursorDecl(C))) {
4282 DeclarationNameInfo FunctionName = FD->getNameInfo();
4283 return cxloc::translateSourceRange(Ctx, FunctionName.getSourceRange());
4285 return clang_getNullRange();
4288 // FIXME: A CXCursor_InclusionDirective should give the location of the
4289 // filename, but we don't keep track of this.
4291 // FIXME: A CXCursor_AnnotateAttr should give the location of the annotation
4292 // but we don't keep track of this.
4294 // FIXME: A CXCursor_AsmLabelAttr should give the location of the label
4295 // but we don't keep track of this.
4297 // Default handling, give the location of the cursor.
4300 return clang_getNullRange();
4302 CXSourceLocation CXLoc = clang_getCursorLocation(C);
4303 SourceLocation Loc = cxloc::translateSourceLocation(CXLoc);
4304 return cxloc::translateSourceRange(Ctx, Loc);
4307 CXString clang_Cursor_getMangling(CXCursor C) {
4308 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
4309 return cxstring::createEmpty();
4311 // Mangling only works for functions and variables.
4312 const Decl *D = getCursorDecl(C);
4313 if (!D || !(isa<FunctionDecl>(D) || isa<VarDecl>(D)))
4314 return cxstring::createEmpty();
4316 // First apply frontend mangling.
4317 const NamedDecl *ND = cast<NamedDecl>(D);
4318 ASTContext &Ctx = ND->getASTContext();
4319 std::unique_ptr<MangleContext> MC(Ctx.createMangleContext());
4321 std::string FrontendBuf;
4322 llvm::raw_string_ostream FrontendBufOS(FrontendBuf);
4323 if (MC->shouldMangleDeclName(ND)) {
4324 MC->mangleName(ND, FrontendBufOS);
4326 ND->printName(FrontendBufOS);
4329 // Now apply backend mangling.
4330 std::unique_ptr<llvm::DataLayout> DL(
4331 new llvm::DataLayout(Ctx.getTargetInfo().getDataLayoutString()));
4333 std::string FinalBuf;
4334 llvm::raw_string_ostream FinalBufOS(FinalBuf);
4335 llvm::Mangler::getNameWithPrefix(FinalBufOS, llvm::Twine(FrontendBufOS.str()),
4338 return cxstring::createDup(FinalBufOS.str());
4341 CXStringSet *clang_Cursor_getCXXManglings(CXCursor C) {
4342 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
4345 const Decl *D = getCursorDecl(C);
4346 if (!(isa<CXXRecordDecl>(D) || isa<CXXMethodDecl>(D)))
4349 const NamedDecl *ND = cast<NamedDecl>(D);
4351 ASTContext &Ctx = ND->getASTContext();
4352 std::unique_ptr<MangleContext> M(Ctx.createMangleContext());
4353 std::unique_ptr<llvm::DataLayout> DL(
4354 new llvm::DataLayout(Ctx.getTargetInfo().getDataLayoutString()));
4356 std::vector<std::string> Manglings;
4358 auto hasDefaultCXXMethodCC = [](ASTContext &C, const CXXMethodDecl *MD) {
4359 auto DefaultCC = C.getDefaultCallingConvention(/*IsVariadic=*/false,
4360 /*IsCSSMethod=*/true);
4361 auto CC = MD->getType()->getAs<FunctionProtoType>()->getCallConv();
4362 return CC == DefaultCC;
4365 if (const auto *CD = dyn_cast_or_null<CXXConstructorDecl>(ND)) {
4366 Manglings.emplace_back(getMangledStructor(M, DL, CD, Ctor_Base));
4368 if (Ctx.getTargetInfo().getCXXABI().isItaniumFamily())
4369 if (!CD->getParent()->isAbstract())
4370 Manglings.emplace_back(getMangledStructor(M, DL, CD, Ctor_Complete));
4372 if (Ctx.getTargetInfo().getCXXABI().isMicrosoft())
4373 if (CD->hasAttr<DLLExportAttr>() && CD->isDefaultConstructor())
4374 if (!(hasDefaultCXXMethodCC(Ctx, CD) && CD->getNumParams() == 0))
4375 Manglings.emplace_back(getMangledStructor(M, DL, CD,
4376 Ctor_DefaultClosure));
4377 } else if (const auto *DD = dyn_cast_or_null<CXXDestructorDecl>(ND)) {
4378 Manglings.emplace_back(getMangledStructor(M, DL, DD, Dtor_Base));
4379 if (Ctx.getTargetInfo().getCXXABI().isItaniumFamily()) {
4380 Manglings.emplace_back(getMangledStructor(M, DL, DD, Dtor_Complete));
4381 if (DD->isVirtual())
4382 Manglings.emplace_back(getMangledStructor(M, DL, DD, Dtor_Deleting));
4386 return cxstring::createSet(Manglings);
4389 CXString clang_getCursorDisplayName(CXCursor C) {
4390 if (!clang_isDeclaration(C.kind))
4391 return clang_getCursorSpelling(C);
4393 const Decl *D = getCursorDecl(C);
4395 return cxstring::createEmpty();
4397 PrintingPolicy Policy = getCursorContext(C).getPrintingPolicy();
4398 if (const FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(D))
4399 D = FunTmpl->getTemplatedDecl();
4401 if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
4402 SmallString<64> Str;
4403 llvm::raw_svector_ostream OS(Str);
4405 if (Function->getPrimaryTemplate())
4408 for (unsigned I = 0, N = Function->getNumParams(); I != N; ++I) {
4411 OS << Function->getParamDecl(I)->getType().getAsString(Policy);
4414 if (Function->isVariadic()) {
4415 if (Function->getNumParams())
4420 return cxstring::createDup(OS.str());
4423 if (const ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(D)) {
4424 SmallString<64> Str;
4425 llvm::raw_svector_ostream OS(Str);
4426 OS << *ClassTemplate;
4428 TemplateParameterList *Params = ClassTemplate->getTemplateParameters();
4429 for (unsigned I = 0, N = Params->size(); I != N; ++I) {
4433 NamedDecl *Param = Params->getParam(I);
4434 if (Param->getIdentifier()) {
4435 OS << Param->getIdentifier()->getName();
4439 // There is no parameter name, which makes this tricky. Try to come up
4440 // with something useful that isn't too long.
4441 if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Param))
4442 OS << (TTP->wasDeclaredWithTypename()? "typename" : "class");
4443 else if (NonTypeTemplateParmDecl *NTTP
4444 = dyn_cast<NonTypeTemplateParmDecl>(Param))
4445 OS << NTTP->getType().getAsString(Policy);
4447 OS << "template<...> class";
4451 return cxstring::createDup(OS.str());
4454 if (const ClassTemplateSpecializationDecl *ClassSpec
4455 = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
4456 // If the type was explicitly written, use that.
4457 if (TypeSourceInfo *TSInfo = ClassSpec->getTypeAsWritten())
4458 return cxstring::createDup(TSInfo->getType().getAsString(Policy));
4460 SmallString<128> Str;
4461 llvm::raw_svector_ostream OS(Str);
4463 TemplateSpecializationType::PrintTemplateArgumentList(OS,
4464 ClassSpec->getTemplateArgs().data(),
4465 ClassSpec->getTemplateArgs().size(),
4467 return cxstring::createDup(OS.str());
4470 return clang_getCursorSpelling(C);
4473 CXString clang_getCursorKindSpelling(enum CXCursorKind Kind) {
4475 case CXCursor_FunctionDecl:
4476 return cxstring::createRef("FunctionDecl");
4477 case CXCursor_TypedefDecl:
4478 return cxstring::createRef("TypedefDecl");
4479 case CXCursor_EnumDecl:
4480 return cxstring::createRef("EnumDecl");
4481 case CXCursor_EnumConstantDecl:
4482 return cxstring::createRef("EnumConstantDecl");
4483 case CXCursor_StructDecl:
4484 return cxstring::createRef("StructDecl");
4485 case CXCursor_UnionDecl:
4486 return cxstring::createRef("UnionDecl");
4487 case CXCursor_ClassDecl:
4488 return cxstring::createRef("ClassDecl");
4489 case CXCursor_FieldDecl:
4490 return cxstring::createRef("FieldDecl");
4491 case CXCursor_VarDecl:
4492 return cxstring::createRef("VarDecl");
4493 case CXCursor_ParmDecl:
4494 return cxstring::createRef("ParmDecl");
4495 case CXCursor_ObjCInterfaceDecl:
4496 return cxstring::createRef("ObjCInterfaceDecl");
4497 case CXCursor_ObjCCategoryDecl:
4498 return cxstring::createRef("ObjCCategoryDecl");
4499 case CXCursor_ObjCProtocolDecl:
4500 return cxstring::createRef("ObjCProtocolDecl");
4501 case CXCursor_ObjCPropertyDecl:
4502 return cxstring::createRef("ObjCPropertyDecl");
4503 case CXCursor_ObjCIvarDecl:
4504 return cxstring::createRef("ObjCIvarDecl");
4505 case CXCursor_ObjCInstanceMethodDecl:
4506 return cxstring::createRef("ObjCInstanceMethodDecl");
4507 case CXCursor_ObjCClassMethodDecl:
4508 return cxstring::createRef("ObjCClassMethodDecl");
4509 case CXCursor_ObjCImplementationDecl:
4510 return cxstring::createRef("ObjCImplementationDecl");
4511 case CXCursor_ObjCCategoryImplDecl:
4512 return cxstring::createRef("ObjCCategoryImplDecl");
4513 case CXCursor_CXXMethod:
4514 return cxstring::createRef("CXXMethod");
4515 case CXCursor_UnexposedDecl:
4516 return cxstring::createRef("UnexposedDecl");
4517 case CXCursor_ObjCSuperClassRef:
4518 return cxstring::createRef("ObjCSuperClassRef");
4519 case CXCursor_ObjCProtocolRef:
4520 return cxstring::createRef("ObjCProtocolRef");
4521 case CXCursor_ObjCClassRef:
4522 return cxstring::createRef("ObjCClassRef");
4523 case CXCursor_TypeRef:
4524 return cxstring::createRef("TypeRef");
4525 case CXCursor_TemplateRef:
4526 return cxstring::createRef("TemplateRef");
4527 case CXCursor_NamespaceRef:
4528 return cxstring::createRef("NamespaceRef");
4529 case CXCursor_MemberRef:
4530 return cxstring::createRef("MemberRef");
4531 case CXCursor_LabelRef:
4532 return cxstring::createRef("LabelRef");
4533 case CXCursor_OverloadedDeclRef:
4534 return cxstring::createRef("OverloadedDeclRef");
4535 case CXCursor_VariableRef:
4536 return cxstring::createRef("VariableRef");
4537 case CXCursor_IntegerLiteral:
4538 return cxstring::createRef("IntegerLiteral");
4539 case CXCursor_FloatingLiteral:
4540 return cxstring::createRef("FloatingLiteral");
4541 case CXCursor_ImaginaryLiteral:
4542 return cxstring::createRef("ImaginaryLiteral");
4543 case CXCursor_StringLiteral:
4544 return cxstring::createRef("StringLiteral");
4545 case CXCursor_CharacterLiteral:
4546 return cxstring::createRef("CharacterLiteral");
4547 case CXCursor_ParenExpr:
4548 return cxstring::createRef("ParenExpr");
4549 case CXCursor_UnaryOperator:
4550 return cxstring::createRef("UnaryOperator");
4551 case CXCursor_ArraySubscriptExpr:
4552 return cxstring::createRef("ArraySubscriptExpr");
4553 case CXCursor_OMPArraySectionExpr:
4554 return cxstring::createRef("OMPArraySectionExpr");
4555 case CXCursor_BinaryOperator:
4556 return cxstring::createRef("BinaryOperator");
4557 case CXCursor_CompoundAssignOperator:
4558 return cxstring::createRef("CompoundAssignOperator");
4559 case CXCursor_ConditionalOperator:
4560 return cxstring::createRef("ConditionalOperator");
4561 case CXCursor_CStyleCastExpr:
4562 return cxstring::createRef("CStyleCastExpr");
4563 case CXCursor_CompoundLiteralExpr:
4564 return cxstring::createRef("CompoundLiteralExpr");
4565 case CXCursor_InitListExpr:
4566 return cxstring::createRef("InitListExpr");
4567 case CXCursor_AddrLabelExpr:
4568 return cxstring::createRef("AddrLabelExpr");
4569 case CXCursor_StmtExpr:
4570 return cxstring::createRef("StmtExpr");
4571 case CXCursor_GenericSelectionExpr:
4572 return cxstring::createRef("GenericSelectionExpr");
4573 case CXCursor_GNUNullExpr:
4574 return cxstring::createRef("GNUNullExpr");
4575 case CXCursor_CXXStaticCastExpr:
4576 return cxstring::createRef("CXXStaticCastExpr");
4577 case CXCursor_CXXDynamicCastExpr:
4578 return cxstring::createRef("CXXDynamicCastExpr");
4579 case CXCursor_CXXReinterpretCastExpr:
4580 return cxstring::createRef("CXXReinterpretCastExpr");
4581 case CXCursor_CXXConstCastExpr:
4582 return cxstring::createRef("CXXConstCastExpr");
4583 case CXCursor_CXXFunctionalCastExpr:
4584 return cxstring::createRef("CXXFunctionalCastExpr");
4585 case CXCursor_CXXTypeidExpr:
4586 return cxstring::createRef("CXXTypeidExpr");
4587 case CXCursor_CXXBoolLiteralExpr:
4588 return cxstring::createRef("CXXBoolLiteralExpr");
4589 case CXCursor_CXXNullPtrLiteralExpr:
4590 return cxstring::createRef("CXXNullPtrLiteralExpr");
4591 case CXCursor_CXXThisExpr:
4592 return cxstring::createRef("CXXThisExpr");
4593 case CXCursor_CXXThrowExpr:
4594 return cxstring::createRef("CXXThrowExpr");
4595 case CXCursor_CXXNewExpr:
4596 return cxstring::createRef("CXXNewExpr");
4597 case CXCursor_CXXDeleteExpr:
4598 return cxstring::createRef("CXXDeleteExpr");
4599 case CXCursor_UnaryExpr:
4600 return cxstring::createRef("UnaryExpr");
4601 case CXCursor_ObjCStringLiteral:
4602 return cxstring::createRef("ObjCStringLiteral");
4603 case CXCursor_ObjCBoolLiteralExpr:
4604 return cxstring::createRef("ObjCBoolLiteralExpr");
4605 case CXCursor_ObjCSelfExpr:
4606 return cxstring::createRef("ObjCSelfExpr");
4607 case CXCursor_ObjCEncodeExpr:
4608 return cxstring::createRef("ObjCEncodeExpr");
4609 case CXCursor_ObjCSelectorExpr:
4610 return cxstring::createRef("ObjCSelectorExpr");
4611 case CXCursor_ObjCProtocolExpr:
4612 return cxstring::createRef("ObjCProtocolExpr");
4613 case CXCursor_ObjCBridgedCastExpr:
4614 return cxstring::createRef("ObjCBridgedCastExpr");
4615 case CXCursor_BlockExpr:
4616 return cxstring::createRef("BlockExpr");
4617 case CXCursor_PackExpansionExpr:
4618 return cxstring::createRef("PackExpansionExpr");
4619 case CXCursor_SizeOfPackExpr:
4620 return cxstring::createRef("SizeOfPackExpr");
4621 case CXCursor_LambdaExpr:
4622 return cxstring::createRef("LambdaExpr");
4623 case CXCursor_UnexposedExpr:
4624 return cxstring::createRef("UnexposedExpr");
4625 case CXCursor_DeclRefExpr:
4626 return cxstring::createRef("DeclRefExpr");
4627 case CXCursor_MemberRefExpr:
4628 return cxstring::createRef("MemberRefExpr");
4629 case CXCursor_CallExpr:
4630 return cxstring::createRef("CallExpr");
4631 case CXCursor_ObjCMessageExpr:
4632 return cxstring::createRef("ObjCMessageExpr");
4633 case CXCursor_UnexposedStmt:
4634 return cxstring::createRef("UnexposedStmt");
4635 case CXCursor_DeclStmt:
4636 return cxstring::createRef("DeclStmt");
4637 case CXCursor_LabelStmt:
4638 return cxstring::createRef("LabelStmt");
4639 case CXCursor_CompoundStmt:
4640 return cxstring::createRef("CompoundStmt");
4641 case CXCursor_CaseStmt:
4642 return cxstring::createRef("CaseStmt");
4643 case CXCursor_DefaultStmt:
4644 return cxstring::createRef("DefaultStmt");
4645 case CXCursor_IfStmt:
4646 return cxstring::createRef("IfStmt");
4647 case CXCursor_SwitchStmt:
4648 return cxstring::createRef("SwitchStmt");
4649 case CXCursor_WhileStmt:
4650 return cxstring::createRef("WhileStmt");
4651 case CXCursor_DoStmt:
4652 return cxstring::createRef("DoStmt");
4653 case CXCursor_ForStmt:
4654 return cxstring::createRef("ForStmt");
4655 case CXCursor_GotoStmt:
4656 return cxstring::createRef("GotoStmt");
4657 case CXCursor_IndirectGotoStmt:
4658 return cxstring::createRef("IndirectGotoStmt");
4659 case CXCursor_ContinueStmt:
4660 return cxstring::createRef("ContinueStmt");
4661 case CXCursor_BreakStmt:
4662 return cxstring::createRef("BreakStmt");
4663 case CXCursor_ReturnStmt:
4664 return cxstring::createRef("ReturnStmt");
4665 case CXCursor_GCCAsmStmt:
4666 return cxstring::createRef("GCCAsmStmt");
4667 case CXCursor_MSAsmStmt:
4668 return cxstring::createRef("MSAsmStmt");
4669 case CXCursor_ObjCAtTryStmt:
4670 return cxstring::createRef("ObjCAtTryStmt");
4671 case CXCursor_ObjCAtCatchStmt:
4672 return cxstring::createRef("ObjCAtCatchStmt");
4673 case CXCursor_ObjCAtFinallyStmt:
4674 return cxstring::createRef("ObjCAtFinallyStmt");
4675 case CXCursor_ObjCAtThrowStmt:
4676 return cxstring::createRef("ObjCAtThrowStmt");
4677 case CXCursor_ObjCAtSynchronizedStmt:
4678 return cxstring::createRef("ObjCAtSynchronizedStmt");
4679 case CXCursor_ObjCAutoreleasePoolStmt:
4680 return cxstring::createRef("ObjCAutoreleasePoolStmt");
4681 case CXCursor_ObjCForCollectionStmt:
4682 return cxstring::createRef("ObjCForCollectionStmt");
4683 case CXCursor_CXXCatchStmt:
4684 return cxstring::createRef("CXXCatchStmt");
4685 case CXCursor_CXXTryStmt:
4686 return cxstring::createRef("CXXTryStmt");
4687 case CXCursor_CXXForRangeStmt:
4688 return cxstring::createRef("CXXForRangeStmt");
4689 case CXCursor_SEHTryStmt:
4690 return cxstring::createRef("SEHTryStmt");
4691 case CXCursor_SEHExceptStmt:
4692 return cxstring::createRef("SEHExceptStmt");
4693 case CXCursor_SEHFinallyStmt:
4694 return cxstring::createRef("SEHFinallyStmt");
4695 case CXCursor_SEHLeaveStmt:
4696 return cxstring::createRef("SEHLeaveStmt");
4697 case CXCursor_NullStmt:
4698 return cxstring::createRef("NullStmt");
4699 case CXCursor_InvalidFile:
4700 return cxstring::createRef("InvalidFile");
4701 case CXCursor_InvalidCode:
4702 return cxstring::createRef("InvalidCode");
4703 case CXCursor_NoDeclFound:
4704 return cxstring::createRef("NoDeclFound");
4705 case CXCursor_NotImplemented:
4706 return cxstring::createRef("NotImplemented");
4707 case CXCursor_TranslationUnit:
4708 return cxstring::createRef("TranslationUnit");
4709 case CXCursor_UnexposedAttr:
4710 return cxstring::createRef("UnexposedAttr");
4711 case CXCursor_IBActionAttr:
4712 return cxstring::createRef("attribute(ibaction)");
4713 case CXCursor_IBOutletAttr:
4714 return cxstring::createRef("attribute(iboutlet)");
4715 case CXCursor_IBOutletCollectionAttr:
4716 return cxstring::createRef("attribute(iboutletcollection)");
4717 case CXCursor_CXXFinalAttr:
4718 return cxstring::createRef("attribute(final)");
4719 case CXCursor_CXXOverrideAttr:
4720 return cxstring::createRef("attribute(override)");
4721 case CXCursor_AnnotateAttr:
4722 return cxstring::createRef("attribute(annotate)");
4723 case CXCursor_AsmLabelAttr:
4724 return cxstring::createRef("asm label");
4725 case CXCursor_PackedAttr:
4726 return cxstring::createRef("attribute(packed)");
4727 case CXCursor_PureAttr:
4728 return cxstring::createRef("attribute(pure)");
4729 case CXCursor_ConstAttr:
4730 return cxstring::createRef("attribute(const)");
4731 case CXCursor_NoDuplicateAttr:
4732 return cxstring::createRef("attribute(noduplicate)");
4733 case CXCursor_CUDAConstantAttr:
4734 return cxstring::createRef("attribute(constant)");
4735 case CXCursor_CUDADeviceAttr:
4736 return cxstring::createRef("attribute(device)");
4737 case CXCursor_CUDAGlobalAttr:
4738 return cxstring::createRef("attribute(global)");
4739 case CXCursor_CUDAHostAttr:
4740 return cxstring::createRef("attribute(host)");
4741 case CXCursor_CUDASharedAttr:
4742 return cxstring::createRef("attribute(shared)");
4743 case CXCursor_VisibilityAttr:
4744 return cxstring::createRef("attribute(visibility)");
4745 case CXCursor_DLLExport:
4746 return cxstring::createRef("attribute(dllexport)");
4747 case CXCursor_DLLImport:
4748 return cxstring::createRef("attribute(dllimport)");
4749 case CXCursor_PreprocessingDirective:
4750 return cxstring::createRef("preprocessing directive");
4751 case CXCursor_MacroDefinition:
4752 return cxstring::createRef("macro definition");
4753 case CXCursor_MacroExpansion:
4754 return cxstring::createRef("macro expansion");
4755 case CXCursor_InclusionDirective:
4756 return cxstring::createRef("inclusion directive");
4757 case CXCursor_Namespace:
4758 return cxstring::createRef("Namespace");
4759 case CXCursor_LinkageSpec:
4760 return cxstring::createRef("LinkageSpec");
4761 case CXCursor_CXXBaseSpecifier:
4762 return cxstring::createRef("C++ base class specifier");
4763 case CXCursor_Constructor:
4764 return cxstring::createRef("CXXConstructor");
4765 case CXCursor_Destructor:
4766 return cxstring::createRef("CXXDestructor");
4767 case CXCursor_ConversionFunction:
4768 return cxstring::createRef("CXXConversion");
4769 case CXCursor_TemplateTypeParameter:
4770 return cxstring::createRef("TemplateTypeParameter");
4771 case CXCursor_NonTypeTemplateParameter:
4772 return cxstring::createRef("NonTypeTemplateParameter");
4773 case CXCursor_TemplateTemplateParameter:
4774 return cxstring::createRef("TemplateTemplateParameter");
4775 case CXCursor_FunctionTemplate:
4776 return cxstring::createRef("FunctionTemplate");
4777 case CXCursor_ClassTemplate:
4778 return cxstring::createRef("ClassTemplate");
4779 case CXCursor_ClassTemplatePartialSpecialization:
4780 return cxstring::createRef("ClassTemplatePartialSpecialization");
4781 case CXCursor_NamespaceAlias:
4782 return cxstring::createRef("NamespaceAlias");
4783 case CXCursor_UsingDirective:
4784 return cxstring::createRef("UsingDirective");
4785 case CXCursor_UsingDeclaration:
4786 return cxstring::createRef("UsingDeclaration");
4787 case CXCursor_TypeAliasDecl:
4788 return cxstring::createRef("TypeAliasDecl");
4789 case CXCursor_ObjCSynthesizeDecl:
4790 return cxstring::createRef("ObjCSynthesizeDecl");
4791 case CXCursor_ObjCDynamicDecl:
4792 return cxstring::createRef("ObjCDynamicDecl");
4793 case CXCursor_CXXAccessSpecifier:
4794 return cxstring::createRef("CXXAccessSpecifier");
4795 case CXCursor_ModuleImportDecl:
4796 return cxstring::createRef("ModuleImport");
4797 case CXCursor_OMPParallelDirective:
4798 return cxstring::createRef("OMPParallelDirective");
4799 case CXCursor_OMPSimdDirective:
4800 return cxstring::createRef("OMPSimdDirective");
4801 case CXCursor_OMPForDirective:
4802 return cxstring::createRef("OMPForDirective");
4803 case CXCursor_OMPForSimdDirective:
4804 return cxstring::createRef("OMPForSimdDirective");
4805 case CXCursor_OMPSectionsDirective:
4806 return cxstring::createRef("OMPSectionsDirective");
4807 case CXCursor_OMPSectionDirective:
4808 return cxstring::createRef("OMPSectionDirective");
4809 case CXCursor_OMPSingleDirective:
4810 return cxstring::createRef("OMPSingleDirective");
4811 case CXCursor_OMPMasterDirective:
4812 return cxstring::createRef("OMPMasterDirective");
4813 case CXCursor_OMPCriticalDirective:
4814 return cxstring::createRef("OMPCriticalDirective");
4815 case CXCursor_OMPParallelForDirective:
4816 return cxstring::createRef("OMPParallelForDirective");
4817 case CXCursor_OMPParallelForSimdDirective:
4818 return cxstring::createRef("OMPParallelForSimdDirective");
4819 case CXCursor_OMPParallelSectionsDirective:
4820 return cxstring::createRef("OMPParallelSectionsDirective");
4821 case CXCursor_OMPTaskDirective:
4822 return cxstring::createRef("OMPTaskDirective");
4823 case CXCursor_OMPTaskyieldDirective:
4824 return cxstring::createRef("OMPTaskyieldDirective");
4825 case CXCursor_OMPBarrierDirective:
4826 return cxstring::createRef("OMPBarrierDirective");
4827 case CXCursor_OMPTaskwaitDirective:
4828 return cxstring::createRef("OMPTaskwaitDirective");
4829 case CXCursor_OMPTaskgroupDirective:
4830 return cxstring::createRef("OMPTaskgroupDirective");
4831 case CXCursor_OMPFlushDirective:
4832 return cxstring::createRef("OMPFlushDirective");
4833 case CXCursor_OMPOrderedDirective:
4834 return cxstring::createRef("OMPOrderedDirective");
4835 case CXCursor_OMPAtomicDirective:
4836 return cxstring::createRef("OMPAtomicDirective");
4837 case CXCursor_OMPTargetDirective:
4838 return cxstring::createRef("OMPTargetDirective");
4839 case CXCursor_OMPTargetDataDirective:
4840 return cxstring::createRef("OMPTargetDataDirective");
4841 case CXCursor_OMPTeamsDirective:
4842 return cxstring::createRef("OMPTeamsDirective");
4843 case CXCursor_OMPCancellationPointDirective:
4844 return cxstring::createRef("OMPCancellationPointDirective");
4845 case CXCursor_OMPCancelDirective:
4846 return cxstring::createRef("OMPCancelDirective");
4847 case CXCursor_OMPTaskLoopDirective:
4848 return cxstring::createRef("OMPTaskLoopDirective");
4849 case CXCursor_OMPTaskLoopSimdDirective:
4850 return cxstring::createRef("OMPTaskLoopSimdDirective");
4851 case CXCursor_OMPDistributeDirective:
4852 return cxstring::createRef("OMPDistributeDirective");
4853 case CXCursor_OverloadCandidate:
4854 return cxstring::createRef("OverloadCandidate");
4855 case CXCursor_TypeAliasTemplateDecl:
4856 return cxstring::createRef("TypeAliasTemplateDecl");
4859 llvm_unreachable("Unhandled CXCursorKind");
4862 struct GetCursorData {
4863 SourceLocation TokenBeginLoc;
4864 bool PointsAtMacroArgExpansion;
4865 bool VisitedObjCPropertyImplDecl;
4866 SourceLocation VisitedDeclaratorDeclStartLoc;
4867 CXCursor &BestCursor;
4869 GetCursorData(SourceManager &SM,
4870 SourceLocation tokenBegin, CXCursor &outputCursor)
4871 : TokenBeginLoc(tokenBegin), BestCursor(outputCursor) {
4872 PointsAtMacroArgExpansion = SM.isMacroArgExpansion(tokenBegin);
4873 VisitedObjCPropertyImplDecl = false;
4877 static enum CXChildVisitResult GetCursorVisitor(CXCursor cursor,
4879 CXClientData client_data) {
4880 GetCursorData *Data = static_cast<GetCursorData *>(client_data);
4881 CXCursor *BestCursor = &Data->BestCursor;
4883 // If we point inside a macro argument we should provide info of what the
4884 // token is so use the actual cursor, don't replace it with a macro expansion
4886 if (cursor.kind == CXCursor_MacroExpansion && Data->PointsAtMacroArgExpansion)
4887 return CXChildVisit_Recurse;
4889 if (clang_isDeclaration(cursor.kind)) {
4890 // Avoid having the implicit methods override the property decls.
4891 if (const ObjCMethodDecl *MD
4892 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
4893 if (MD->isImplicit())
4894 return CXChildVisit_Break;
4896 } else if (const ObjCInterfaceDecl *ID
4897 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(cursor))) {
4898 // Check that when we have multiple @class references in the same line,
4899 // that later ones do not override the previous ones.
4902 // source ranges for both start at '@', so 'Bar' will end up overriding
4903 // 'Foo' even though the cursor location was at 'Foo'.
4904 if (BestCursor->kind == CXCursor_ObjCInterfaceDecl ||
4905 BestCursor->kind == CXCursor_ObjCClassRef)
4906 if (const ObjCInterfaceDecl *PrevID
4907 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(*BestCursor))){
4909 !PrevID->isThisDeclarationADefinition() &&
4910 !ID->isThisDeclarationADefinition())
4911 return CXChildVisit_Break;
4914 } else if (const DeclaratorDecl *DD
4915 = dyn_cast_or_null<DeclaratorDecl>(getCursorDecl(cursor))) {
4916 SourceLocation StartLoc = DD->getSourceRange().getBegin();
4917 // Check that when we have multiple declarators in the same line,
4918 // that later ones do not override the previous ones.
4921 // source ranges for both start at 'int', so 'Bar' will end up overriding
4922 // 'Foo' even though the cursor location was at 'Foo'.
4923 if (Data->VisitedDeclaratorDeclStartLoc == StartLoc)
4924 return CXChildVisit_Break;
4925 Data->VisitedDeclaratorDeclStartLoc = StartLoc;
4927 } else if (const ObjCPropertyImplDecl *PropImp
4928 = dyn_cast_or_null<ObjCPropertyImplDecl>(getCursorDecl(cursor))) {
4930 // Check that when we have multiple @synthesize in the same line,
4931 // that later ones do not override the previous ones.
4933 // @synthesize Foo, Bar;
4934 // source ranges for both start at '@', so 'Bar' will end up overriding
4935 // 'Foo' even though the cursor location was at 'Foo'.
4936 if (Data->VisitedObjCPropertyImplDecl)
4937 return CXChildVisit_Break;
4938 Data->VisitedObjCPropertyImplDecl = true;
4942 if (clang_isExpression(cursor.kind) &&
4943 clang_isDeclaration(BestCursor->kind)) {
4944 if (const Decl *D = getCursorDecl(*BestCursor)) {
4945 // Avoid having the cursor of an expression replace the declaration cursor
4946 // when the expression source range overlaps the declaration range.
4947 // This can happen for C++ constructor expressions whose range generally
4948 // include the variable declaration, e.g.:
4949 // MyCXXClass foo; // Make sure pointing at 'foo' returns a VarDecl cursor.
4950 if (D->getLocation().isValid() && Data->TokenBeginLoc.isValid() &&
4951 D->getLocation() == Data->TokenBeginLoc)
4952 return CXChildVisit_Break;
4956 // If our current best cursor is the construction of a temporary object,
4957 // don't replace that cursor with a type reference, because we want
4958 // clang_getCursor() to point at the constructor.
4959 if (clang_isExpression(BestCursor->kind) &&
4960 isa<CXXTemporaryObjectExpr>(getCursorExpr(*BestCursor)) &&
4961 cursor.kind == CXCursor_TypeRef) {
4962 // Keep the cursor pointing at CXXTemporaryObjectExpr but also mark it
4963 // as having the actual point on the type reference.
4964 *BestCursor = getTypeRefedCallExprCursor(*BestCursor);
4965 return CXChildVisit_Recurse;
4968 // If we already have an Objective-C superclass reference, don't
4969 // update it further.
4970 if (BestCursor->kind == CXCursor_ObjCSuperClassRef)
4971 return CXChildVisit_Break;
4973 *BestCursor = cursor;
4974 return CXChildVisit_Recurse;
4977 CXCursor clang_getCursor(CXTranslationUnit TU, CXSourceLocation Loc) {
4978 if (isNotUsableTU(TU)) {
4980 return clang_getNullCursor();
4983 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4984 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
4986 SourceLocation SLoc = cxloc::translateSourceLocation(Loc);
4987 CXCursor Result = cxcursor::getCursor(TU, SLoc);
4991 unsigned SearchLine, SearchColumn;
4993 unsigned ResultLine, ResultColumn;
4994 CXString SearchFileName, ResultFileName, KindSpelling, USR;
4995 const char *IsDef = clang_isCursorDefinition(Result)? " (Definition)" : "";
4996 CXSourceLocation ResultLoc = clang_getCursorLocation(Result);
4998 clang_getFileLocation(Loc, &SearchFile, &SearchLine, &SearchColumn,
5000 clang_getFileLocation(ResultLoc, &ResultFile, &ResultLine,
5001 &ResultColumn, nullptr);
5002 SearchFileName = clang_getFileName(SearchFile);
5003 ResultFileName = clang_getFileName(ResultFile);
5004 KindSpelling = clang_getCursorKindSpelling(Result.kind);
5005 USR = clang_getCursorUSR(Result);
5006 *Log << llvm::format("(%s:%d:%d) = %s",
5007 clang_getCString(SearchFileName), SearchLine, SearchColumn,
5008 clang_getCString(KindSpelling))
5009 << llvm::format("(%s:%d:%d):%s%s",
5010 clang_getCString(ResultFileName), ResultLine, ResultColumn,
5011 clang_getCString(USR), IsDef);
5012 clang_disposeString(SearchFileName);
5013 clang_disposeString(ResultFileName);
5014 clang_disposeString(KindSpelling);
5015 clang_disposeString(USR);
5017 CXCursor Definition = clang_getCursorDefinition(Result);
5018 if (!clang_equalCursors(Definition, clang_getNullCursor())) {
5019 CXSourceLocation DefinitionLoc = clang_getCursorLocation(Definition);
5020 CXString DefinitionKindSpelling
5021 = clang_getCursorKindSpelling(Definition.kind);
5022 CXFile DefinitionFile;
5023 unsigned DefinitionLine, DefinitionColumn;
5024 clang_getFileLocation(DefinitionLoc, &DefinitionFile,
5025 &DefinitionLine, &DefinitionColumn, nullptr);
5026 CXString DefinitionFileName = clang_getFileName(DefinitionFile);
5027 *Log << llvm::format(" -> %s(%s:%d:%d)",
5028 clang_getCString(DefinitionKindSpelling),
5029 clang_getCString(DefinitionFileName),
5030 DefinitionLine, DefinitionColumn);
5031 clang_disposeString(DefinitionFileName);
5032 clang_disposeString(DefinitionKindSpelling);
5039 CXCursor clang_getNullCursor(void) {
5040 return MakeCXCursorInvalid(CXCursor_InvalidFile);
5043 unsigned clang_equalCursors(CXCursor X, CXCursor Y) {
5044 // Clear out the "FirstInDeclGroup" part in a declaration cursor, since we
5045 // can't set consistently. For example, when visiting a DeclStmt we will set
5046 // it but we don't set it on the result of clang_getCursorDefinition for
5047 // a reference of the same declaration.
5048 // FIXME: Setting "FirstInDeclGroup" in CXCursors is a hack that only works
5049 // when visiting a DeclStmt currently, the AST should be enhanced to be able
5050 // to provide that kind of info.
5051 if (clang_isDeclaration(X.kind))
5052 X.data[1] = nullptr;
5053 if (clang_isDeclaration(Y.kind))
5054 Y.data[1] = nullptr;
5059 unsigned clang_hashCursor(CXCursor C) {
5061 if (clang_isExpression(C.kind) || clang_isStatement(C.kind))
5064 return llvm::DenseMapInfo<std::pair<unsigned, const void*> >::getHashValue(
5065 std::make_pair(C.kind, C.data[Index]));
5068 unsigned clang_isInvalid(enum CXCursorKind K) {
5069 return K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid;
5072 unsigned clang_isDeclaration(enum CXCursorKind K) {
5073 return (K >= CXCursor_FirstDecl && K <= CXCursor_LastDecl) ||
5074 (K >= CXCursor_FirstExtraDecl && K <= CXCursor_LastExtraDecl);
5077 unsigned clang_isReference(enum CXCursorKind K) {
5078 return K >= CXCursor_FirstRef && K <= CXCursor_LastRef;
5081 unsigned clang_isExpression(enum CXCursorKind K) {
5082 return K >= CXCursor_FirstExpr && K <= CXCursor_LastExpr;
5085 unsigned clang_isStatement(enum CXCursorKind K) {
5086 return K >= CXCursor_FirstStmt && K <= CXCursor_LastStmt;
5089 unsigned clang_isAttribute(enum CXCursorKind K) {
5090 return K >= CXCursor_FirstAttr && K <= CXCursor_LastAttr;
5093 unsigned clang_isTranslationUnit(enum CXCursorKind K) {
5094 return K == CXCursor_TranslationUnit;
5097 unsigned clang_isPreprocessing(enum CXCursorKind K) {
5098 return K >= CXCursor_FirstPreprocessing && K <= CXCursor_LastPreprocessing;
5101 unsigned clang_isUnexposed(enum CXCursorKind K) {
5103 case CXCursor_UnexposedDecl:
5104 case CXCursor_UnexposedExpr:
5105 case CXCursor_UnexposedStmt:
5106 case CXCursor_UnexposedAttr:
5113 CXCursorKind clang_getCursorKind(CXCursor C) {
5117 CXSourceLocation clang_getCursorLocation(CXCursor C) {
5118 if (clang_isReference(C.kind)) {
5120 case CXCursor_ObjCSuperClassRef: {
5121 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
5122 = getCursorObjCSuperClassRef(C);
5123 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5126 case CXCursor_ObjCProtocolRef: {
5127 std::pair<const ObjCProtocolDecl *, SourceLocation> P
5128 = getCursorObjCProtocolRef(C);
5129 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5132 case CXCursor_ObjCClassRef: {
5133 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
5134 = getCursorObjCClassRef(C);
5135 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5138 case CXCursor_TypeRef: {
5139 std::pair<const TypeDecl *, SourceLocation> P = getCursorTypeRef(C);
5140 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5143 case CXCursor_TemplateRef: {
5144 std::pair<const TemplateDecl *, SourceLocation> P =
5145 getCursorTemplateRef(C);
5146 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5149 case CXCursor_NamespaceRef: {
5150 std::pair<const NamedDecl *, SourceLocation> P = getCursorNamespaceRef(C);
5151 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5154 case CXCursor_MemberRef: {
5155 std::pair<const FieldDecl *, SourceLocation> P = getCursorMemberRef(C);
5156 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5159 case CXCursor_VariableRef: {
5160 std::pair<const VarDecl *, SourceLocation> P = getCursorVariableRef(C);
5161 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5164 case CXCursor_CXXBaseSpecifier: {
5165 const CXXBaseSpecifier *BaseSpec = getCursorCXXBaseSpecifier(C);
5167 return clang_getNullLocation();
5169 if (TypeSourceInfo *TSInfo = BaseSpec->getTypeSourceInfo())
5170 return cxloc::translateSourceLocation(getCursorContext(C),
5171 TSInfo->getTypeLoc().getBeginLoc());
5173 return cxloc::translateSourceLocation(getCursorContext(C),
5174 BaseSpec->getLocStart());
5177 case CXCursor_LabelRef: {
5178 std::pair<const LabelStmt *, SourceLocation> P = getCursorLabelRef(C);
5179 return cxloc::translateSourceLocation(getCursorContext(C), P.second);
5182 case CXCursor_OverloadedDeclRef:
5183 return cxloc::translateSourceLocation(getCursorContext(C),
5184 getCursorOverloadedDeclRef(C).second);
5187 // FIXME: Need a way to enumerate all non-reference cases.
5188 llvm_unreachable("Missed a reference kind");
5192 if (clang_isExpression(C.kind))
5193 return cxloc::translateSourceLocation(getCursorContext(C),
5194 getLocationFromExpr(getCursorExpr(C)));
5196 if (clang_isStatement(C.kind))
5197 return cxloc::translateSourceLocation(getCursorContext(C),
5198 getCursorStmt(C)->getLocStart());
5200 if (C.kind == CXCursor_PreprocessingDirective) {
5201 SourceLocation L = cxcursor::getCursorPreprocessingDirective(C).getBegin();
5202 return cxloc::translateSourceLocation(getCursorContext(C), L);
5205 if (C.kind == CXCursor_MacroExpansion) {
5207 = cxcursor::getCursorMacroExpansion(C).getSourceRange().getBegin();
5208 return cxloc::translateSourceLocation(getCursorContext(C), L);
5211 if (C.kind == CXCursor_MacroDefinition) {
5212 SourceLocation L = cxcursor::getCursorMacroDefinition(C)->getLocation();
5213 return cxloc::translateSourceLocation(getCursorContext(C), L);
5216 if (C.kind == CXCursor_InclusionDirective) {
5218 = cxcursor::getCursorInclusionDirective(C)->getSourceRange().getBegin();
5219 return cxloc::translateSourceLocation(getCursorContext(C), L);
5222 if (clang_isAttribute(C.kind)) {
5224 = cxcursor::getCursorAttr(C)->getLocation();
5225 return cxloc::translateSourceLocation(getCursorContext(C), L);
5228 if (!clang_isDeclaration(C.kind))
5229 return clang_getNullLocation();
5231 const Decl *D = getCursorDecl(C);
5233 return clang_getNullLocation();
5235 SourceLocation Loc = D->getLocation();
5236 // FIXME: Multiple variables declared in a single declaration
5237 // currently lack the information needed to correctly determine their
5238 // ranges when accounting for the type-specifier. We use context
5239 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5240 // and if so, whether it is the first decl.
5241 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5242 if (!cxcursor::isFirstInDeclGroup(C))
5243 Loc = VD->getLocation();
5246 // For ObjC methods, give the start location of the method name.
5247 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
5248 Loc = MD->getSelectorStartLoc();
5250 return cxloc::translateSourceLocation(getCursorContext(C), Loc);
5255 CXCursor cxcursor::getCursor(CXTranslationUnit TU, SourceLocation SLoc) {
5258 // Guard against an invalid SourceLocation, or we may assert in one
5259 // of the following calls.
5260 if (SLoc.isInvalid())
5261 return clang_getNullCursor();
5263 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5265 // Translate the given source location to make it point at the beginning of
5266 // the token under the cursor.
5267 SLoc = Lexer::GetBeginningOfToken(SLoc, CXXUnit->getSourceManager(),
5268 CXXUnit->getASTContext().getLangOpts());
5270 CXCursor Result = MakeCXCursorInvalid(CXCursor_NoDeclFound);
5271 if (SLoc.isValid()) {
5272 GetCursorData ResultData(CXXUnit->getSourceManager(), SLoc, Result);
5273 CursorVisitor CursorVis(TU, GetCursorVisitor, &ResultData,
5274 /*VisitPreprocessorLast=*/true,
5275 /*VisitIncludedEntities=*/false,
5276 SourceLocation(SLoc));
5277 CursorVis.visitFileRegion();
5283 static SourceRange getRawCursorExtent(CXCursor C) {
5284 if (clang_isReference(C.kind)) {
5286 case CXCursor_ObjCSuperClassRef:
5287 return getCursorObjCSuperClassRef(C).second;
5289 case CXCursor_ObjCProtocolRef:
5290 return getCursorObjCProtocolRef(C).second;
5292 case CXCursor_ObjCClassRef:
5293 return getCursorObjCClassRef(C).second;
5295 case CXCursor_TypeRef:
5296 return getCursorTypeRef(C).second;
5298 case CXCursor_TemplateRef:
5299 return getCursorTemplateRef(C).second;
5301 case CXCursor_NamespaceRef:
5302 return getCursorNamespaceRef(C).second;
5304 case CXCursor_MemberRef:
5305 return getCursorMemberRef(C).second;
5307 case CXCursor_CXXBaseSpecifier:
5308 return getCursorCXXBaseSpecifier(C)->getSourceRange();
5310 case CXCursor_LabelRef:
5311 return getCursorLabelRef(C).second;
5313 case CXCursor_OverloadedDeclRef:
5314 return getCursorOverloadedDeclRef(C).second;
5316 case CXCursor_VariableRef:
5317 return getCursorVariableRef(C).second;
5320 // FIXME: Need a way to enumerate all non-reference cases.
5321 llvm_unreachable("Missed a reference kind");
5325 if (clang_isExpression(C.kind))
5326 return getCursorExpr(C)->getSourceRange();
5328 if (clang_isStatement(C.kind))
5329 return getCursorStmt(C)->getSourceRange();
5331 if (clang_isAttribute(C.kind))
5332 return getCursorAttr(C)->getRange();
5334 if (C.kind == CXCursor_PreprocessingDirective)
5335 return cxcursor::getCursorPreprocessingDirective(C);
5337 if (C.kind == CXCursor_MacroExpansion) {
5338 ASTUnit *TU = getCursorASTUnit(C);
5339 SourceRange Range = cxcursor::getCursorMacroExpansion(C).getSourceRange();
5340 return TU->mapRangeFromPreamble(Range);
5343 if (C.kind == CXCursor_MacroDefinition) {
5344 ASTUnit *TU = getCursorASTUnit(C);
5345 SourceRange Range = cxcursor::getCursorMacroDefinition(C)->getSourceRange();
5346 return TU->mapRangeFromPreamble(Range);
5349 if (C.kind == CXCursor_InclusionDirective) {
5350 ASTUnit *TU = getCursorASTUnit(C);
5351 SourceRange Range = cxcursor::getCursorInclusionDirective(C)->getSourceRange();
5352 return TU->mapRangeFromPreamble(Range);
5355 if (C.kind == CXCursor_TranslationUnit) {
5356 ASTUnit *TU = getCursorASTUnit(C);
5357 FileID MainID = TU->getSourceManager().getMainFileID();
5358 SourceLocation Start = TU->getSourceManager().getLocForStartOfFile(MainID);
5359 SourceLocation End = TU->getSourceManager().getLocForEndOfFile(MainID);
5360 return SourceRange(Start, End);
5363 if (clang_isDeclaration(C.kind)) {
5364 const Decl *D = cxcursor::getCursorDecl(C);
5366 return SourceRange();
5368 SourceRange R = D->getSourceRange();
5369 // FIXME: Multiple variables declared in a single declaration
5370 // currently lack the information needed to correctly determine their
5371 // ranges when accounting for the type-specifier. We use context
5372 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5373 // and if so, whether it is the first decl.
5374 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5375 if (!cxcursor::isFirstInDeclGroup(C))
5376 R.setBegin(VD->getLocation());
5380 return SourceRange();
5383 /// \brief Retrieves the "raw" cursor extent, which is then extended to include
5384 /// the decl-specifier-seq for declarations.
5385 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr) {
5386 if (clang_isDeclaration(C.kind)) {
5387 const Decl *D = cxcursor::getCursorDecl(C);
5389 return SourceRange();
5391 SourceRange R = D->getSourceRange();
5393 // Adjust the start of the location for declarations preceded by
5394 // declaration specifiers.
5395 SourceLocation StartLoc;
5396 if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
5397 if (TypeSourceInfo *TI = DD->getTypeSourceInfo())
5398 StartLoc = TI->getTypeLoc().getLocStart();
5399 } else if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(D)) {
5400 if (TypeSourceInfo *TI = Typedef->getTypeSourceInfo())
5401 StartLoc = TI->getTypeLoc().getLocStart();
5404 if (StartLoc.isValid() && R.getBegin().isValid() &&
5405 SrcMgr.isBeforeInTranslationUnit(StartLoc, R.getBegin()))
5406 R.setBegin(StartLoc);
5408 // FIXME: Multiple variables declared in a single declaration
5409 // currently lack the information needed to correctly determine their
5410 // ranges when accounting for the type-specifier. We use context
5411 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5412 // and if so, whether it is the first decl.
5413 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5414 if (!cxcursor::isFirstInDeclGroup(C))
5415 R.setBegin(VD->getLocation());
5421 return getRawCursorExtent(C);
5426 CXSourceRange clang_getCursorExtent(CXCursor C) {
5427 SourceRange R = getRawCursorExtent(C);
5429 return clang_getNullRange();
5431 return cxloc::translateSourceRange(getCursorContext(C), R);
5434 CXCursor clang_getCursorReferenced(CXCursor C) {
5435 if (clang_isInvalid(C.kind))
5436 return clang_getNullCursor();
5438 CXTranslationUnit tu = getCursorTU(C);
5439 if (clang_isDeclaration(C.kind)) {
5440 const Decl *D = getCursorDecl(C);
5442 return clang_getNullCursor();
5443 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5444 return MakeCursorOverloadedDeclRef(Using, D->getLocation(), tu);
5445 if (const ObjCPropertyImplDecl *PropImpl =
5446 dyn_cast<ObjCPropertyImplDecl>(D))
5447 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
5448 return MakeCXCursor(Property, tu);
5453 if (clang_isExpression(C.kind)) {
5454 const Expr *E = getCursorExpr(C);
5455 const Decl *D = getDeclFromExpr(E);
5457 CXCursor declCursor = MakeCXCursor(D, tu);
5458 declCursor = getSelectorIdentifierCursor(getSelectorIdentifierIndex(C),
5463 if (const OverloadExpr *Ovl = dyn_cast_or_null<OverloadExpr>(E))
5464 return MakeCursorOverloadedDeclRef(Ovl, tu);
5466 return clang_getNullCursor();
5469 if (clang_isStatement(C.kind)) {
5470 const Stmt *S = getCursorStmt(C);
5471 if (const GotoStmt *Goto = dyn_cast_or_null<GotoStmt>(S))
5472 if (LabelDecl *label = Goto->getLabel())
5473 if (LabelStmt *labelS = label->getStmt())
5474 return MakeCXCursor(labelS, getCursorDecl(C), tu);
5476 return clang_getNullCursor();
5479 if (C.kind == CXCursor_MacroExpansion) {
5480 if (const MacroDefinitionRecord *Def =
5481 getCursorMacroExpansion(C).getDefinition())
5482 return MakeMacroDefinitionCursor(Def, tu);
5485 if (!clang_isReference(C.kind))
5486 return clang_getNullCursor();
5489 case CXCursor_ObjCSuperClassRef:
5490 return MakeCXCursor(getCursorObjCSuperClassRef(C).first, tu);
5492 case CXCursor_ObjCProtocolRef: {
5493 const ObjCProtocolDecl *Prot = getCursorObjCProtocolRef(C).first;
5494 if (const ObjCProtocolDecl *Def = Prot->getDefinition())
5495 return MakeCXCursor(Def, tu);
5497 return MakeCXCursor(Prot, tu);
5500 case CXCursor_ObjCClassRef: {
5501 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
5502 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5503 return MakeCXCursor(Def, tu);
5505 return MakeCXCursor(Class, tu);
5508 case CXCursor_TypeRef:
5509 return MakeCXCursor(getCursorTypeRef(C).first, tu );
5511 case CXCursor_TemplateRef:
5512 return MakeCXCursor(getCursorTemplateRef(C).first, tu );
5514 case CXCursor_NamespaceRef:
5515 return MakeCXCursor(getCursorNamespaceRef(C).first, tu );
5517 case CXCursor_MemberRef:
5518 return MakeCXCursor(getCursorMemberRef(C).first, tu );
5520 case CXCursor_CXXBaseSpecifier: {
5521 const CXXBaseSpecifier *B = cxcursor::getCursorCXXBaseSpecifier(C);
5522 return clang_getTypeDeclaration(cxtype::MakeCXType(B->getType(),
5526 case CXCursor_LabelRef:
5527 // FIXME: We end up faking the "parent" declaration here because we
5528 // don't want to make CXCursor larger.
5529 return MakeCXCursor(getCursorLabelRef(C).first,
5530 cxtu::getASTUnit(tu)->getASTContext()
5531 .getTranslationUnitDecl(),
5534 case CXCursor_OverloadedDeclRef:
5537 case CXCursor_VariableRef:
5538 return MakeCXCursor(getCursorVariableRef(C).first, tu);
5541 // We would prefer to enumerate all non-reference cursor kinds here.
5542 llvm_unreachable("Unhandled reference cursor kind");
5546 CXCursor clang_getCursorDefinition(CXCursor C) {
5547 if (clang_isInvalid(C.kind))
5548 return clang_getNullCursor();
5550 CXTranslationUnit TU = getCursorTU(C);
5552 bool WasReference = false;
5553 if (clang_isReference(C.kind) || clang_isExpression(C.kind)) {
5554 C = clang_getCursorReferenced(C);
5555 WasReference = true;
5558 if (C.kind == CXCursor_MacroExpansion)
5559 return clang_getCursorReferenced(C);
5561 if (!clang_isDeclaration(C.kind))
5562 return clang_getNullCursor();
5564 const Decl *D = getCursorDecl(C);
5566 return clang_getNullCursor();
5568 switch (D->getKind()) {
5569 // Declaration kinds that don't really separate the notions of
5570 // declaration and definition.
5571 case Decl::Namespace:
5573 case Decl::TypeAlias:
5574 case Decl::TypeAliasTemplate:
5575 case Decl::TemplateTypeParm:
5576 case Decl::EnumConstant:
5578 case Decl::MSProperty:
5579 case Decl::IndirectField:
5580 case Decl::ObjCIvar:
5581 case Decl::ObjCAtDefsField:
5582 case Decl::ImplicitParam:
5584 case Decl::NonTypeTemplateParm:
5585 case Decl::TemplateTemplateParm:
5586 case Decl::ObjCCategoryImpl:
5587 case Decl::ObjCImplementation:
5588 case Decl::AccessSpec:
5589 case Decl::LinkageSpec:
5590 case Decl::ObjCPropertyImpl:
5591 case Decl::FileScopeAsm:
5592 case Decl::StaticAssert:
5594 case Decl::Captured:
5595 case Decl::Label: // FIXME: Is this right??
5596 case Decl::ClassScopeFunctionSpecialization:
5598 case Decl::OMPThreadPrivate:
5599 case Decl::ObjCTypeParam:
5600 case Decl::BuiltinTemplate:
5603 // Declaration kinds that don't make any sense here, but are
5604 // nonetheless harmless.
5606 case Decl::TranslationUnit:
5607 case Decl::ExternCContext:
5610 // Declaration kinds for which the definition is not resolvable.
5611 case Decl::UnresolvedUsingTypename:
5612 case Decl::UnresolvedUsingValue:
5615 case Decl::UsingDirective:
5616 return MakeCXCursor(cast<UsingDirectiveDecl>(D)->getNominatedNamespace(),
5619 case Decl::NamespaceAlias:
5620 return MakeCXCursor(cast<NamespaceAliasDecl>(D)->getNamespace(), TU);
5624 case Decl::CXXRecord:
5625 case Decl::ClassTemplateSpecialization:
5626 case Decl::ClassTemplatePartialSpecialization:
5627 if (TagDecl *Def = cast<TagDecl>(D)->getDefinition())
5628 return MakeCXCursor(Def, TU);
5629 return clang_getNullCursor();
5631 case Decl::Function:
5632 case Decl::CXXMethod:
5633 case Decl::CXXConstructor:
5634 case Decl::CXXDestructor:
5635 case Decl::CXXConversion: {
5636 const FunctionDecl *Def = nullptr;
5637 if (cast<FunctionDecl>(D)->getBody(Def))
5638 return MakeCXCursor(Def, TU);
5639 return clang_getNullCursor();
5643 case Decl::VarTemplateSpecialization:
5644 case Decl::VarTemplatePartialSpecialization: {
5645 // Ask the variable if it has a definition.
5646 if (const VarDecl *Def = cast<VarDecl>(D)->getDefinition())
5647 return MakeCXCursor(Def, TU);
5648 return clang_getNullCursor();
5651 case Decl::FunctionTemplate: {
5652 const FunctionDecl *Def = nullptr;
5653 if (cast<FunctionTemplateDecl>(D)->getTemplatedDecl()->getBody(Def))
5654 return MakeCXCursor(Def->getDescribedFunctionTemplate(), TU);
5655 return clang_getNullCursor();
5658 case Decl::ClassTemplate: {
5659 if (RecordDecl *Def = cast<ClassTemplateDecl>(D)->getTemplatedDecl()
5661 return MakeCXCursor(cast<CXXRecordDecl>(Def)->getDescribedClassTemplate(),
5663 return clang_getNullCursor();
5666 case Decl::VarTemplate: {
5668 cast<VarTemplateDecl>(D)->getTemplatedDecl()->getDefinition())
5669 return MakeCXCursor(cast<VarDecl>(Def)->getDescribedVarTemplate(), TU);
5670 return clang_getNullCursor();
5674 return MakeCursorOverloadedDeclRef(cast<UsingDecl>(D),
5675 D->getLocation(), TU);
5677 case Decl::UsingShadow:
5678 return clang_getCursorDefinition(
5679 MakeCXCursor(cast<UsingShadowDecl>(D)->getTargetDecl(),
5682 case Decl::ObjCMethod: {
5683 const ObjCMethodDecl *Method = cast<ObjCMethodDecl>(D);
5684 if (Method->isThisDeclarationADefinition())
5687 // Dig out the method definition in the associated
5688 // @implementation, if we have it.
5689 // FIXME: The ASTs should make finding the definition easier.
5690 if (const ObjCInterfaceDecl *Class
5691 = dyn_cast<ObjCInterfaceDecl>(Method->getDeclContext()))
5692 if (ObjCImplementationDecl *ClassImpl = Class->getImplementation())
5693 if (ObjCMethodDecl *Def = ClassImpl->getMethod(Method->getSelector(),
5694 Method->isInstanceMethod()))
5695 if (Def->isThisDeclarationADefinition())
5696 return MakeCXCursor(Def, TU);
5698 return clang_getNullCursor();
5701 case Decl::ObjCCategory:
5702 if (ObjCCategoryImplDecl *Impl
5703 = cast<ObjCCategoryDecl>(D)->getImplementation())
5704 return MakeCXCursor(Impl, TU);
5705 return clang_getNullCursor();
5707 case Decl::ObjCProtocol:
5708 if (const ObjCProtocolDecl *Def = cast<ObjCProtocolDecl>(D)->getDefinition())
5709 return MakeCXCursor(Def, TU);
5710 return clang_getNullCursor();
5712 case Decl::ObjCInterface: {
5713 // There are two notions of a "definition" for an Objective-C
5714 // class: the interface and its implementation. When we resolved a
5715 // reference to an Objective-C class, produce the @interface as
5716 // the definition; when we were provided with the interface,
5717 // produce the @implementation as the definition.
5718 const ObjCInterfaceDecl *IFace = cast<ObjCInterfaceDecl>(D);
5720 if (const ObjCInterfaceDecl *Def = IFace->getDefinition())
5721 return MakeCXCursor(Def, TU);
5722 } else if (ObjCImplementationDecl *Impl = IFace->getImplementation())
5723 return MakeCXCursor(Impl, TU);
5724 return clang_getNullCursor();
5727 case Decl::ObjCProperty:
5728 // FIXME: We don't really know where to find the
5729 // ObjCPropertyImplDecls that implement this property.
5730 return clang_getNullCursor();
5732 case Decl::ObjCCompatibleAlias:
5733 if (const ObjCInterfaceDecl *Class
5734 = cast<ObjCCompatibleAliasDecl>(D)->getClassInterface())
5735 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5736 return MakeCXCursor(Def, TU);
5738 return clang_getNullCursor();
5741 if (NamedDecl *Friend = cast<FriendDecl>(D)->getFriendDecl())
5742 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5743 return clang_getNullCursor();
5745 case Decl::FriendTemplate:
5746 if (NamedDecl *Friend = cast<FriendTemplateDecl>(D)->getFriendDecl())
5747 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5748 return clang_getNullCursor();
5751 return clang_getNullCursor();
5754 unsigned clang_isCursorDefinition(CXCursor C) {
5755 if (!clang_isDeclaration(C.kind))
5758 return clang_getCursorDefinition(C) == C;
5761 CXCursor clang_getCanonicalCursor(CXCursor C) {
5762 if (!clang_isDeclaration(C.kind))
5765 if (const Decl *D = getCursorDecl(C)) {
5766 if (const ObjCCategoryImplDecl *CatImplD = dyn_cast<ObjCCategoryImplDecl>(D))
5767 if (ObjCCategoryDecl *CatD = CatImplD->getCategoryDecl())
5768 return MakeCXCursor(CatD, getCursorTU(C));
5770 if (const ObjCImplDecl *ImplD = dyn_cast<ObjCImplDecl>(D))
5771 if (const ObjCInterfaceDecl *IFD = ImplD->getClassInterface())
5772 return MakeCXCursor(IFD, getCursorTU(C));
5774 return MakeCXCursor(D->getCanonicalDecl(), getCursorTU(C));
5780 int clang_Cursor_getObjCSelectorIndex(CXCursor cursor) {
5781 return cxcursor::getSelectorIdentifierIndexAndLoc(cursor).first;
5784 unsigned clang_getNumOverloadedDecls(CXCursor C) {
5785 if (C.kind != CXCursor_OverloadedDeclRef)
5788 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
5789 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5790 return E->getNumDecls();
5792 if (OverloadedTemplateStorage *S
5793 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5796 const Decl *D = Storage.get<const Decl *>();
5797 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5798 return Using->shadow_size();
5803 CXCursor clang_getOverloadedDecl(CXCursor cursor, unsigned index) {
5804 if (cursor.kind != CXCursor_OverloadedDeclRef)
5805 return clang_getNullCursor();
5807 if (index >= clang_getNumOverloadedDecls(cursor))
5808 return clang_getNullCursor();
5810 CXTranslationUnit TU = getCursorTU(cursor);
5811 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(cursor).first;
5812 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5813 return MakeCXCursor(E->decls_begin()[index], TU);
5815 if (OverloadedTemplateStorage *S
5816 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5817 return MakeCXCursor(S->begin()[index], TU);
5819 const Decl *D = Storage.get<const Decl *>();
5820 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D)) {
5821 // FIXME: This is, unfortunately, linear time.
5822 UsingDecl::shadow_iterator Pos = Using->shadow_begin();
5823 std::advance(Pos, index);
5824 return MakeCXCursor(cast<UsingShadowDecl>(*Pos)->getTargetDecl(), TU);
5827 return clang_getNullCursor();
5830 void clang_getDefinitionSpellingAndExtent(CXCursor C,
5831 const char **startBuf,
5832 const char **endBuf,
5833 unsigned *startLine,
5834 unsigned *startColumn,
5836 unsigned *endColumn) {
5837 assert(getCursorDecl(C) && "CXCursor has null decl");
5838 const FunctionDecl *FD = dyn_cast<FunctionDecl>(getCursorDecl(C));
5839 CompoundStmt *Body = dyn_cast<CompoundStmt>(FD->getBody());
5841 SourceManager &SM = FD->getASTContext().getSourceManager();
5842 *startBuf = SM.getCharacterData(Body->getLBracLoc());
5843 *endBuf = SM.getCharacterData(Body->getRBracLoc());
5844 *startLine = SM.getSpellingLineNumber(Body->getLBracLoc());
5845 *startColumn = SM.getSpellingColumnNumber(Body->getLBracLoc());
5846 *endLine = SM.getSpellingLineNumber(Body->getRBracLoc());
5847 *endColumn = SM.getSpellingColumnNumber(Body->getRBracLoc());
5851 CXSourceRange clang_getCursorReferenceNameRange(CXCursor C, unsigned NameFlags,
5852 unsigned PieceIndex) {
5853 RefNamePieces Pieces;
5856 case CXCursor_MemberRefExpr:
5857 if (const MemberExpr *E = dyn_cast<MemberExpr>(getCursorExpr(C)))
5858 Pieces = buildPieces(NameFlags, true, E->getMemberNameInfo(),
5859 E->getQualifierLoc().getSourceRange());
5862 case CXCursor_DeclRefExpr:
5863 if (const DeclRefExpr *E = dyn_cast<DeclRefExpr>(getCursorExpr(C))) {
5864 SourceRange TemplateArgLoc(E->getLAngleLoc(), E->getRAngleLoc());
5866 buildPieces(NameFlags, false, E->getNameInfo(),
5867 E->getQualifierLoc().getSourceRange(), &TemplateArgLoc);
5871 case CXCursor_CallExpr:
5872 if (const CXXOperatorCallExpr *OCE =
5873 dyn_cast<CXXOperatorCallExpr>(getCursorExpr(C))) {
5874 const Expr *Callee = OCE->getCallee();
5875 if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Callee))
5876 Callee = ICE->getSubExpr();
5878 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Callee))
5879 Pieces = buildPieces(NameFlags, false, DRE->getNameInfo(),
5880 DRE->getQualifierLoc().getSourceRange());
5888 if (Pieces.empty()) {
5889 if (PieceIndex == 0)
5890 return clang_getCursorExtent(C);
5891 } else if (PieceIndex < Pieces.size()) {
5892 SourceRange R = Pieces[PieceIndex];
5894 return cxloc::translateSourceRange(getCursorContext(C), R);
5897 return clang_getNullRange();
5900 void clang_enableStackTraces(void) {
5901 llvm::sys::PrintStackTraceOnErrorSignal();
5904 void clang_executeOnThread(void (*fn)(void*), void *user_data,
5905 unsigned stack_size) {
5906 llvm::llvm_execute_on_thread(fn, user_data, stack_size);
5909 } // end: extern "C"
5911 //===----------------------------------------------------------------------===//
5912 // Token-based Operations.
5913 //===----------------------------------------------------------------------===//
5916 * int_data[0]: a CXTokenKind
5917 * int_data[1]: starting token location
5918 * int_data[2]: token length
5919 * int_data[3]: reserved
5920 * ptr_data: for identifiers and keywords, an IdentifierInfo*.
5925 CXTokenKind clang_getTokenKind(CXToken CXTok) {
5926 return static_cast<CXTokenKind>(CXTok.int_data[0]);
5929 CXString clang_getTokenSpelling(CXTranslationUnit TU, CXToken CXTok) {
5930 switch (clang_getTokenKind(CXTok)) {
5931 case CXToken_Identifier:
5932 case CXToken_Keyword:
5933 // We know we have an IdentifierInfo*, so use that.
5934 return cxstring::createRef(static_cast<IdentifierInfo *>(CXTok.ptr_data)
5937 case CXToken_Literal: {
5938 // We have stashed the starting pointer in the ptr_data field. Use it.
5939 const char *Text = static_cast<const char *>(CXTok.ptr_data);
5940 return cxstring::createDup(StringRef(Text, CXTok.int_data[2]));
5943 case CXToken_Punctuation:
5944 case CXToken_Comment:
5948 if (isNotUsableTU(TU)) {
5950 return cxstring::createEmpty();
5953 // We have to find the starting buffer pointer the hard way, by
5954 // deconstructing the source location.
5955 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5957 return cxstring::createEmpty();
5959 SourceLocation Loc = SourceLocation::getFromRawEncoding(CXTok.int_data[1]);
5960 std::pair<FileID, unsigned> LocInfo
5961 = CXXUnit->getSourceManager().getDecomposedSpellingLoc(Loc);
5962 bool Invalid = false;
5964 = CXXUnit->getSourceManager().getBufferData(LocInfo.first, &Invalid);
5966 return cxstring::createEmpty();
5968 return cxstring::createDup(Buffer.substr(LocInfo.second, CXTok.int_data[2]));
5971 CXSourceLocation clang_getTokenLocation(CXTranslationUnit TU, CXToken CXTok) {
5972 if (isNotUsableTU(TU)) {
5974 return clang_getNullLocation();
5977 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5979 return clang_getNullLocation();
5981 return cxloc::translateSourceLocation(CXXUnit->getASTContext(),
5982 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5985 CXSourceRange clang_getTokenExtent(CXTranslationUnit TU, CXToken CXTok) {
5986 if (isNotUsableTU(TU)) {
5988 return clang_getNullRange();
5991 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5993 return clang_getNullRange();
5995 return cxloc::translateSourceRange(CXXUnit->getASTContext(),
5996 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5999 static void getTokens(ASTUnit *CXXUnit, SourceRange Range,
6000 SmallVectorImpl<CXToken> &CXTokens) {
6001 SourceManager &SourceMgr = CXXUnit->getSourceManager();
6002 std::pair<FileID, unsigned> BeginLocInfo
6003 = SourceMgr.getDecomposedSpellingLoc(Range.getBegin());
6004 std::pair<FileID, unsigned> EndLocInfo
6005 = SourceMgr.getDecomposedSpellingLoc(Range.getEnd());
6007 // Cannot tokenize across files.
6008 if (BeginLocInfo.first != EndLocInfo.first)
6012 bool Invalid = false;
6014 = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
6018 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
6019 CXXUnit->getASTContext().getLangOpts(),
6020 Buffer.begin(), Buffer.data() + BeginLocInfo.second, Buffer.end());
6021 Lex.SetCommentRetentionState(true);
6023 // Lex tokens until we hit the end of the range.
6024 const char *EffectiveBufferEnd = Buffer.data() + EndLocInfo.second;
6026 bool previousWasAt = false;
6028 // Lex the next token
6029 Lex.LexFromRawLexer(Tok);
6030 if (Tok.is(tok::eof))
6033 // Initialize the CXToken.
6037 CXTok.int_data[1] = Tok.getLocation().getRawEncoding();
6038 CXTok.int_data[2] = Tok.getLength();
6039 CXTok.int_data[3] = 0;
6041 // - Kind-specific fields
6042 if (Tok.isLiteral()) {
6043 CXTok.int_data[0] = CXToken_Literal;
6044 CXTok.ptr_data = const_cast<char *>(Tok.getLiteralData());
6045 } else if (Tok.is(tok::raw_identifier)) {
6046 // Lookup the identifier to determine whether we have a keyword.
6048 = CXXUnit->getPreprocessor().LookUpIdentifierInfo(Tok);
6050 if ((II->getObjCKeywordID() != tok::objc_not_keyword) && previousWasAt) {
6051 CXTok.int_data[0] = CXToken_Keyword;
6054 CXTok.int_data[0] = Tok.is(tok::identifier)
6055 ? CXToken_Identifier
6058 CXTok.ptr_data = II;
6059 } else if (Tok.is(tok::comment)) {
6060 CXTok.int_data[0] = CXToken_Comment;
6061 CXTok.ptr_data = nullptr;
6063 CXTok.int_data[0] = CXToken_Punctuation;
6064 CXTok.ptr_data = nullptr;
6066 CXTokens.push_back(CXTok);
6067 previousWasAt = Tok.is(tok::at);
6068 } while (Lex.getBufferLocation() <= EffectiveBufferEnd);
6071 void clang_tokenize(CXTranslationUnit TU, CXSourceRange Range,
6072 CXToken **Tokens, unsigned *NumTokens) {
6074 *Log << TU << ' ' << Range;
6082 if (isNotUsableTU(TU)) {
6087 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6088 if (!CXXUnit || !Tokens || !NumTokens)
6091 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
6093 SourceRange R = cxloc::translateCXSourceRange(Range);
6097 SmallVector<CXToken, 32> CXTokens;
6098 getTokens(CXXUnit, R, CXTokens);
6100 if (CXTokens.empty())
6103 *Tokens = (CXToken *)malloc(sizeof(CXToken) * CXTokens.size());
6104 memmove(*Tokens, CXTokens.data(), sizeof(CXToken) * CXTokens.size());
6105 *NumTokens = CXTokens.size();
6108 void clang_disposeTokens(CXTranslationUnit TU,
6109 CXToken *Tokens, unsigned NumTokens) {
6113 } // end: extern "C"
6115 //===----------------------------------------------------------------------===//
6116 // Token annotation APIs.
6117 //===----------------------------------------------------------------------===//
6119 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
6121 CXClientData client_data);
6122 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
6123 CXClientData client_data);
6126 class AnnotateTokensWorker {
6131 unsigned PreprocessingTokIdx;
6132 CursorVisitor AnnotateVis;
6133 SourceManager &SrcMgr;
6134 bool HasContextSensitiveKeywords;
6136 struct PostChildrenInfo {
6138 SourceRange CursorRange;
6139 unsigned BeforeReachingCursorIdx;
6140 unsigned BeforeChildrenTokenIdx;
6142 SmallVector<PostChildrenInfo, 8> PostChildrenInfos;
6144 CXToken &getTok(unsigned Idx) {
6145 assert(Idx < NumTokens);
6148 const CXToken &getTok(unsigned Idx) const {
6149 assert(Idx < NumTokens);
6152 bool MoreTokens() const { return TokIdx < NumTokens; }
6153 unsigned NextToken() const { return TokIdx; }
6154 void AdvanceToken() { ++TokIdx; }
6155 SourceLocation GetTokenLoc(unsigned tokI) {
6156 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
6158 bool isFunctionMacroToken(unsigned tokI) const {
6159 return getTok(tokI).int_data[3] != 0;
6161 SourceLocation getFunctionMacroTokenLoc(unsigned tokI) const {
6162 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[3]);
6165 void annotateAndAdvanceTokens(CXCursor, RangeComparisonResult, SourceRange);
6166 bool annotateAndAdvanceFunctionMacroTokens(CXCursor, RangeComparisonResult,
6170 AnnotateTokensWorker(CXToken *tokens, CXCursor *cursors, unsigned numTokens,
6171 CXTranslationUnit TU, SourceRange RegionOfInterest)
6172 : Tokens(tokens), Cursors(cursors),
6173 NumTokens(numTokens), TokIdx(0), PreprocessingTokIdx(0),
6175 AnnotateTokensVisitor, this,
6176 /*VisitPreprocessorLast=*/true,
6177 /*VisitIncludedEntities=*/false,
6179 /*VisitDeclsOnly=*/false,
6180 AnnotateTokensPostChildrenVisitor),
6181 SrcMgr(cxtu::getASTUnit(TU)->getSourceManager()),
6182 HasContextSensitiveKeywords(false) { }
6184 void VisitChildren(CXCursor C) { AnnotateVis.VisitChildren(C); }
6185 enum CXChildVisitResult Visit(CXCursor cursor, CXCursor parent);
6186 bool postVisitChildren(CXCursor cursor);
6187 void AnnotateTokens();
6189 /// \brief Determine whether the annotator saw any cursors that have
6190 /// context-sensitive keywords.
6191 bool hasContextSensitiveKeywords() const {
6192 return HasContextSensitiveKeywords;
6195 ~AnnotateTokensWorker() {
6196 assert(PostChildrenInfos.empty());
6201 void AnnotateTokensWorker::AnnotateTokens() {
6202 // Walk the AST within the region of interest, annotating tokens
6204 AnnotateVis.visitFileRegion();
6207 static inline void updateCursorAnnotation(CXCursor &Cursor,
6208 const CXCursor &updateC) {
6209 if (clang_isInvalid(updateC.kind) || !clang_isInvalid(Cursor.kind))
6214 /// \brief It annotates and advances tokens with a cursor until the comparison
6215 //// between the cursor location and the source range is the same as
6216 /// \arg compResult.
6218 /// Pass RangeBefore to annotate tokens with a cursor until a range is reached.
6219 /// Pass RangeOverlap to annotate tokens inside a range.
6220 void AnnotateTokensWorker::annotateAndAdvanceTokens(CXCursor updateC,
6221 RangeComparisonResult compResult,
6222 SourceRange range) {
6223 while (MoreTokens()) {
6224 const unsigned I = NextToken();
6225 if (isFunctionMacroToken(I))
6226 if (!annotateAndAdvanceFunctionMacroTokens(updateC, compResult, range))
6229 SourceLocation TokLoc = GetTokenLoc(I);
6230 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
6231 updateCursorAnnotation(Cursors[I], updateC);
6239 /// \brief Special annotation handling for macro argument tokens.
6240 /// \returns true if it advanced beyond all macro tokens, false otherwise.
6241 bool AnnotateTokensWorker::annotateAndAdvanceFunctionMacroTokens(
6243 RangeComparisonResult compResult,
6244 SourceRange range) {
6245 assert(MoreTokens());
6246 assert(isFunctionMacroToken(NextToken()) &&
6247 "Should be called only for macro arg tokens");
6249 // This works differently than annotateAndAdvanceTokens; because expanded
6250 // macro arguments can have arbitrary translation-unit source order, we do not
6251 // advance the token index one by one until a token fails the range test.
6252 // We only advance once past all of the macro arg tokens if all of them
6253 // pass the range test. If one of them fails we keep the token index pointing
6254 // at the start of the macro arg tokens so that the failing token will be
6255 // annotated by a subsequent annotation try.
6257 bool atLeastOneCompFail = false;
6259 unsigned I = NextToken();
6260 for (; I < NumTokens && isFunctionMacroToken(I); ++I) {
6261 SourceLocation TokLoc = getFunctionMacroTokenLoc(I);
6262 if (TokLoc.isFileID())
6263 continue; // not macro arg token, it's parens or comma.
6264 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
6265 if (clang_isInvalid(clang_getCursorKind(Cursors[I])))
6266 Cursors[I] = updateC;
6268 atLeastOneCompFail = true;
6271 if (atLeastOneCompFail)
6274 TokIdx = I; // All of the tokens were handled, advance beyond all of them.
6278 enum CXChildVisitResult
6279 AnnotateTokensWorker::Visit(CXCursor cursor, CXCursor parent) {
6280 SourceRange cursorRange = getRawCursorExtent(cursor);
6281 if (cursorRange.isInvalid())
6282 return CXChildVisit_Recurse;
6284 if (!HasContextSensitiveKeywords) {
6285 // Objective-C properties can have context-sensitive keywords.
6286 if (cursor.kind == CXCursor_ObjCPropertyDecl) {
6287 if (const ObjCPropertyDecl *Property
6288 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(cursor)))
6289 HasContextSensitiveKeywords = Property->getPropertyAttributesAsWritten() != 0;
6291 // Objective-C methods can have context-sensitive keywords.
6292 else if (cursor.kind == CXCursor_ObjCInstanceMethodDecl ||
6293 cursor.kind == CXCursor_ObjCClassMethodDecl) {
6294 if (const ObjCMethodDecl *Method
6295 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
6296 if (Method->getObjCDeclQualifier())
6297 HasContextSensitiveKeywords = true;
6299 for (const auto *P : Method->params()) {
6300 if (P->getObjCDeclQualifier()) {
6301 HasContextSensitiveKeywords = true;
6308 // C++ methods can have context-sensitive keywords.
6309 else if (cursor.kind == CXCursor_CXXMethod) {
6310 if (const CXXMethodDecl *Method
6311 = dyn_cast_or_null<CXXMethodDecl>(getCursorDecl(cursor))) {
6312 if (Method->hasAttr<FinalAttr>() || Method->hasAttr<OverrideAttr>())
6313 HasContextSensitiveKeywords = true;
6316 // C++ classes can have context-sensitive keywords.
6317 else if (cursor.kind == CXCursor_StructDecl ||
6318 cursor.kind == CXCursor_ClassDecl ||
6319 cursor.kind == CXCursor_ClassTemplate ||
6320 cursor.kind == CXCursor_ClassTemplatePartialSpecialization) {
6321 if (const Decl *D = getCursorDecl(cursor))
6322 if (D->hasAttr<FinalAttr>())
6323 HasContextSensitiveKeywords = true;
6327 // Don't override a property annotation with its getter/setter method.
6328 if (cursor.kind == CXCursor_ObjCInstanceMethodDecl &&
6329 parent.kind == CXCursor_ObjCPropertyDecl)
6330 return CXChildVisit_Continue;
6332 if (clang_isPreprocessing(cursor.kind)) {
6333 // Items in the preprocessing record are kept separate from items in
6334 // declarations, so we keep a separate token index.
6335 unsigned SavedTokIdx = TokIdx;
6336 TokIdx = PreprocessingTokIdx;
6338 // Skip tokens up until we catch up to the beginning of the preprocessing
6340 while (MoreTokens()) {
6341 const unsigned I = NextToken();
6342 SourceLocation TokLoc = GetTokenLoc(I);
6343 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
6354 // Look at all of the tokens within this range.
6355 while (MoreTokens()) {
6356 const unsigned I = NextToken();
6357 SourceLocation TokLoc = GetTokenLoc(I);
6358 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
6360 llvm_unreachable("Infeasible");
6364 // For macro expansions, just note where the beginning of the macro
6365 // expansion occurs.
6366 if (cursor.kind == CXCursor_MacroExpansion) {
6367 if (TokLoc == cursorRange.getBegin())
6368 Cursors[I] = cursor;
6372 // We may have already annotated macro names inside macro definitions.
6373 if (Cursors[I].kind != CXCursor_MacroExpansion)
6374 Cursors[I] = cursor;
6381 // Save the preprocessing token index; restore the non-preprocessing
6383 PreprocessingTokIdx = TokIdx;
6384 TokIdx = SavedTokIdx;
6385 return CXChildVisit_Recurse;
6388 if (cursorRange.isInvalid())
6389 return CXChildVisit_Continue;
6391 unsigned BeforeReachingCursorIdx = NextToken();
6392 const enum CXCursorKind cursorK = clang_getCursorKind(cursor);
6393 const enum CXCursorKind K = clang_getCursorKind(parent);
6394 const CXCursor updateC =
6395 (clang_isInvalid(K) || K == CXCursor_TranslationUnit ||
6396 // Attributes are annotated out-of-order, skip tokens until we reach it.
6397 clang_isAttribute(cursor.kind))
6398 ? clang_getNullCursor() : parent;
6400 annotateAndAdvanceTokens(updateC, RangeBefore, cursorRange);
6402 // Avoid having the cursor of an expression "overwrite" the annotation of the
6403 // variable declaration that it belongs to.
6404 // This can happen for C++ constructor expressions whose range generally
6405 // include the variable declaration, e.g.:
6406 // MyCXXClass foo; // Make sure we don't annotate 'foo' as a CallExpr cursor.
6407 if (clang_isExpression(cursorK) && MoreTokens()) {
6408 const Expr *E = getCursorExpr(cursor);
6409 if (const Decl *D = getCursorParentDecl(cursor)) {
6410 const unsigned I = NextToken();
6411 if (E->getLocStart().isValid() && D->getLocation().isValid() &&
6412 E->getLocStart() == D->getLocation() &&
6413 E->getLocStart() == GetTokenLoc(I)) {
6414 updateCursorAnnotation(Cursors[I], updateC);
6420 // Before recursing into the children keep some state that we are going
6421 // to use in the AnnotateTokensWorker::postVisitChildren callback to do some
6422 // extra work after the child nodes are visited.
6423 // Note that we don't call VisitChildren here to avoid traversing statements
6424 // code-recursively which can blow the stack.
6426 PostChildrenInfo Info;
6427 Info.Cursor = cursor;
6428 Info.CursorRange = cursorRange;
6429 Info.BeforeReachingCursorIdx = BeforeReachingCursorIdx;
6430 Info.BeforeChildrenTokenIdx = NextToken();
6431 PostChildrenInfos.push_back(Info);
6433 return CXChildVisit_Recurse;
6436 bool AnnotateTokensWorker::postVisitChildren(CXCursor cursor) {
6437 if (PostChildrenInfos.empty())
6439 const PostChildrenInfo &Info = PostChildrenInfos.back();
6440 if (!clang_equalCursors(Info.Cursor, cursor))
6443 const unsigned BeforeChildren = Info.BeforeChildrenTokenIdx;
6444 const unsigned AfterChildren = NextToken();
6445 SourceRange cursorRange = Info.CursorRange;
6447 // Scan the tokens that are at the end of the cursor, but are not captured
6448 // but the child cursors.
6449 annotateAndAdvanceTokens(cursor, RangeOverlap, cursorRange);
6451 // Scan the tokens that are at the beginning of the cursor, but are not
6452 // capture by the child cursors.
6453 for (unsigned I = BeforeChildren; I != AfterChildren; ++I) {
6454 if (!clang_isInvalid(clang_getCursorKind(Cursors[I])))
6457 Cursors[I] = cursor;
6460 // Attributes are annotated out-of-order, rewind TokIdx to when we first
6461 // encountered the attribute cursor.
6462 if (clang_isAttribute(cursor.kind))
6463 TokIdx = Info.BeforeReachingCursorIdx;
6465 PostChildrenInfos.pop_back();
6469 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
6471 CXClientData client_data) {
6472 return static_cast<AnnotateTokensWorker*>(client_data)->Visit(cursor, parent);
6475 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
6476 CXClientData client_data) {
6477 return static_cast<AnnotateTokensWorker*>(client_data)->
6478 postVisitChildren(cursor);
6483 /// \brief Uses the macro expansions in the preprocessing record to find
6484 /// and mark tokens that are macro arguments. This info is used by the
6485 /// AnnotateTokensWorker.
6486 class MarkMacroArgTokensVisitor {
6493 MarkMacroArgTokensVisitor(SourceManager &SM,
6494 CXToken *tokens, unsigned numTokens)
6495 : SM(SM), Tokens(tokens), NumTokens(numTokens), CurIdx(0) { }
6497 CXChildVisitResult visit(CXCursor cursor, CXCursor parent) {
6498 if (cursor.kind != CXCursor_MacroExpansion)
6499 return CXChildVisit_Continue;
6501 SourceRange macroRange = getCursorMacroExpansion(cursor).getSourceRange();
6502 if (macroRange.getBegin() == macroRange.getEnd())
6503 return CXChildVisit_Continue; // it's not a function macro.
6505 for (; CurIdx < NumTokens; ++CurIdx) {
6506 if (!SM.isBeforeInTranslationUnit(getTokenLoc(CurIdx),
6507 macroRange.getBegin()))
6511 if (CurIdx == NumTokens)
6512 return CXChildVisit_Break;
6514 for (; CurIdx < NumTokens; ++CurIdx) {
6515 SourceLocation tokLoc = getTokenLoc(CurIdx);
6516 if (!SM.isBeforeInTranslationUnit(tokLoc, macroRange.getEnd()))
6519 setFunctionMacroTokenLoc(CurIdx, SM.getMacroArgExpandedLocation(tokLoc));
6522 if (CurIdx == NumTokens)
6523 return CXChildVisit_Break;
6525 return CXChildVisit_Continue;
6529 CXToken &getTok(unsigned Idx) {
6530 assert(Idx < NumTokens);
6533 const CXToken &getTok(unsigned Idx) const {
6534 assert(Idx < NumTokens);
6538 SourceLocation getTokenLoc(unsigned tokI) {
6539 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
6542 void setFunctionMacroTokenLoc(unsigned tokI, SourceLocation loc) {
6543 // The third field is reserved and currently not used. Use it here
6544 // to mark macro arg expanded tokens with their expanded locations.
6545 getTok(tokI).int_data[3] = loc.getRawEncoding();
6549 } // end anonymous namespace
6551 static CXChildVisitResult
6552 MarkMacroArgTokensVisitorDelegate(CXCursor cursor, CXCursor parent,
6553 CXClientData client_data) {
6554 return static_cast<MarkMacroArgTokensVisitor*>(client_data)->visit(cursor,
6558 /// \brief Used by \c annotatePreprocessorTokens.
6559 /// \returns true if lexing was finished, false otherwise.
6560 static bool lexNext(Lexer &Lex, Token &Tok,
6561 unsigned &NextIdx, unsigned NumTokens) {
6562 if (NextIdx >= NumTokens)
6566 Lex.LexFromRawLexer(Tok);
6567 return Tok.is(tok::eof);
6570 static void annotatePreprocessorTokens(CXTranslationUnit TU,
6571 SourceRange RegionOfInterest,
6574 unsigned NumTokens) {
6575 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6577 Preprocessor &PP = CXXUnit->getPreprocessor();
6578 SourceManager &SourceMgr = CXXUnit->getSourceManager();
6579 std::pair<FileID, unsigned> BeginLocInfo
6580 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getBegin());
6581 std::pair<FileID, unsigned> EndLocInfo
6582 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getEnd());
6584 if (BeginLocInfo.first != EndLocInfo.first)
6588 bool Invalid = false;
6589 Buffer = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
6590 if (Buffer.empty() || Invalid)
6593 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
6594 CXXUnit->getASTContext().getLangOpts(),
6595 Buffer.begin(), Buffer.data() + BeginLocInfo.second,
6597 Lex.SetCommentRetentionState(true);
6599 unsigned NextIdx = 0;
6600 // Lex tokens in raw mode until we hit the end of the range, to avoid
6601 // entering #includes or expanding macros.
6604 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6606 unsigned TokIdx = NextIdx-1;
6607 assert(Tok.getLocation() ==
6608 SourceLocation::getFromRawEncoding(Tokens[TokIdx].int_data[1]));
6611 if (Tok.is(tok::hash) && Tok.isAtStartOfLine()) {
6612 // We have found a preprocessing directive. Annotate the tokens
6615 // FIXME: Some simple tests here could identify macro definitions and
6616 // #undefs, to provide specific cursor kinds for those.
6618 SourceLocation BeginLoc = Tok.getLocation();
6619 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6622 MacroInfo *MI = nullptr;
6623 if (Tok.is(tok::raw_identifier) && Tok.getRawIdentifier() == "define") {
6624 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6627 if (Tok.is(tok::raw_identifier)) {
6628 IdentifierInfo &II =
6629 PP.getIdentifierTable().get(Tok.getRawIdentifier());
6630 SourceLocation MappedTokLoc =
6631 CXXUnit->mapLocationToPreamble(Tok.getLocation());
6632 MI = getMacroInfo(II, MappedTokLoc, TU);
6636 bool finished = false;
6638 if (lexNext(Lex, Tok, NextIdx, NumTokens)) {
6642 // If we are in a macro definition, check if the token was ever a
6643 // macro name and annotate it if that's the case.
6645 SourceLocation SaveLoc = Tok.getLocation();
6646 Tok.setLocation(CXXUnit->mapLocationToPreamble(SaveLoc));
6647 MacroDefinitionRecord *MacroDef =
6648 checkForMacroInMacroDefinition(MI, Tok, TU);
6649 Tok.setLocation(SaveLoc);
6651 Cursors[NextIdx - 1] =
6652 MakeMacroExpansionCursor(MacroDef, Tok.getLocation(), TU);
6654 } while (!Tok.isAtStartOfLine());
6656 unsigned LastIdx = finished ? NextIdx-1 : NextIdx-2;
6657 assert(TokIdx <= LastIdx);
6658 SourceLocation EndLoc =
6659 SourceLocation::getFromRawEncoding(Tokens[LastIdx].int_data[1]);
6661 MakePreprocessingDirectiveCursor(SourceRange(BeginLoc, EndLoc), TU);
6663 for (; TokIdx <= LastIdx; ++TokIdx)
6664 updateCursorAnnotation(Cursors[TokIdx], Cursor);
6673 // This gets run a separate thread to avoid stack blowout.
6674 static void clang_annotateTokensImpl(CXTranslationUnit TU, ASTUnit *CXXUnit,
6675 CXToken *Tokens, unsigned NumTokens,
6676 CXCursor *Cursors) {
6677 CIndexer *CXXIdx = TU->CIdx;
6678 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
6679 setThreadBackgroundPriority();
6681 // Determine the region of interest, which contains all of the tokens.
6682 SourceRange RegionOfInterest;
6683 RegionOfInterest.setBegin(
6684 cxloc::translateSourceLocation(clang_getTokenLocation(TU, Tokens[0])));
6685 RegionOfInterest.setEnd(
6686 cxloc::translateSourceLocation(clang_getTokenLocation(TU,
6687 Tokens[NumTokens-1])));
6689 // Relex the tokens within the source range to look for preprocessing
6691 annotatePreprocessorTokens(TU, RegionOfInterest, Cursors, Tokens, NumTokens);
6693 // If begin location points inside a macro argument, set it to the expansion
6694 // location so we can have the full context when annotating semantically.
6696 SourceManager &SM = CXXUnit->getSourceManager();
6697 SourceLocation Loc =
6698 SM.getMacroArgExpandedLocation(RegionOfInterest.getBegin());
6699 if (Loc.isMacroID())
6700 RegionOfInterest.setBegin(SM.getExpansionLoc(Loc));
6703 if (CXXUnit->getPreprocessor().getPreprocessingRecord()) {
6704 // Search and mark tokens that are macro argument expansions.
6705 MarkMacroArgTokensVisitor Visitor(CXXUnit->getSourceManager(),
6707 CursorVisitor MacroArgMarker(TU,
6708 MarkMacroArgTokensVisitorDelegate, &Visitor,
6709 /*VisitPreprocessorLast=*/true,
6710 /*VisitIncludedEntities=*/false,
6712 MacroArgMarker.visitPreprocessedEntitiesInRegion();
6715 // Annotate all of the source locations in the region of interest that map to
6716 // a specific cursor.
6717 AnnotateTokensWorker W(Tokens, Cursors, NumTokens, TU, RegionOfInterest);
6719 // FIXME: We use a ridiculous stack size here because the data-recursion
6720 // algorithm uses a large stack frame than the non-data recursive version,
6721 // and AnnotationTokensWorker currently transforms the data-recursion
6722 // algorithm back into a traditional recursion by explicitly calling
6723 // VisitChildren(). We will need to remove this explicit recursive call.
6726 // If we ran into any entities that involve context-sensitive keywords,
6727 // take another pass through the tokens to mark them as such.
6728 if (W.hasContextSensitiveKeywords()) {
6729 for (unsigned I = 0; I != NumTokens; ++I) {
6730 if (clang_getTokenKind(Tokens[I]) != CXToken_Identifier)
6733 if (Cursors[I].kind == CXCursor_ObjCPropertyDecl) {
6734 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6735 if (const ObjCPropertyDecl *Property
6736 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(Cursors[I]))) {
6737 if (Property->getPropertyAttributesAsWritten() != 0 &&
6738 llvm::StringSwitch<bool>(II->getName())
6739 .Case("readonly", true)
6740 .Case("assign", true)
6741 .Case("unsafe_unretained", true)
6742 .Case("readwrite", true)
6743 .Case("retain", true)
6745 .Case("nonatomic", true)
6746 .Case("atomic", true)
6747 .Case("getter", true)
6748 .Case("setter", true)
6749 .Case("strong", true)
6752 Tokens[I].int_data[0] = CXToken_Keyword;
6757 if (Cursors[I].kind == CXCursor_ObjCInstanceMethodDecl ||
6758 Cursors[I].kind == CXCursor_ObjCClassMethodDecl) {
6759 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6760 if (llvm::StringSwitch<bool>(II->getName())
6763 .Case("inout", true)
6764 .Case("oneway", true)
6765 .Case("bycopy", true)
6766 .Case("byref", true)
6768 Tokens[I].int_data[0] = CXToken_Keyword;
6772 if (Cursors[I].kind == CXCursor_CXXFinalAttr ||
6773 Cursors[I].kind == CXCursor_CXXOverrideAttr) {
6774 Tokens[I].int_data[0] = CXToken_Keyword;
6783 void clang_annotateTokens(CXTranslationUnit TU,
6784 CXToken *Tokens, unsigned NumTokens,
6785 CXCursor *Cursors) {
6786 if (isNotUsableTU(TU)) {
6790 if (NumTokens == 0 || !Tokens || !Cursors) {
6791 LOG_FUNC_SECTION { *Log << "<null input>"; }
6797 CXSourceLocation bloc = clang_getTokenLocation(TU, Tokens[0]);
6798 CXSourceLocation eloc = clang_getTokenLocation(TU, Tokens[NumTokens-1]);
6799 *Log << clang_getRange(bloc, eloc);
6802 // Any token we don't specifically annotate will have a NULL cursor.
6803 CXCursor C = clang_getNullCursor();
6804 for (unsigned I = 0; I != NumTokens; ++I)
6807 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6811 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
6813 auto AnnotateTokensImpl = [=]() {
6814 clang_annotateTokensImpl(TU, CXXUnit, Tokens, NumTokens, Cursors);
6816 llvm::CrashRecoveryContext CRC;
6817 if (!RunSafely(CRC, AnnotateTokensImpl, GetSafetyThreadStackSize() * 2)) {
6818 fprintf(stderr, "libclang: crash detected while annotating tokens\n");
6822 } // end: extern "C"
6824 //===----------------------------------------------------------------------===//
6825 // Operations for querying linkage of a cursor.
6826 //===----------------------------------------------------------------------===//
6829 CXLinkageKind clang_getCursorLinkage(CXCursor cursor) {
6830 if (!clang_isDeclaration(cursor.kind))
6831 return CXLinkage_Invalid;
6833 const Decl *D = cxcursor::getCursorDecl(cursor);
6834 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6835 switch (ND->getLinkageInternal()) {
6837 case VisibleNoLinkage: return CXLinkage_NoLinkage;
6838 case InternalLinkage: return CXLinkage_Internal;
6839 case UniqueExternalLinkage: return CXLinkage_UniqueExternal;
6840 case ExternalLinkage: return CXLinkage_External;
6843 return CXLinkage_Invalid;
6845 } // end: extern "C"
6847 //===----------------------------------------------------------------------===//
6848 // Operations for querying visibility of a cursor.
6849 //===----------------------------------------------------------------------===//
6852 CXVisibilityKind clang_getCursorVisibility(CXCursor cursor) {
6853 if (!clang_isDeclaration(cursor.kind))
6854 return CXVisibility_Invalid;
6856 const Decl *D = cxcursor::getCursorDecl(cursor);
6857 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6858 switch (ND->getVisibility()) {
6859 case HiddenVisibility: return CXVisibility_Hidden;
6860 case ProtectedVisibility: return CXVisibility_Protected;
6861 case DefaultVisibility: return CXVisibility_Default;
6864 return CXVisibility_Invalid;
6866 } // end: extern "C"
6868 //===----------------------------------------------------------------------===//
6869 // Operations for querying language of a cursor.
6870 //===----------------------------------------------------------------------===//
6872 static CXLanguageKind getDeclLanguage(const Decl *D) {
6874 return CXLanguage_C;
6876 switch (D->getKind()) {
6879 case Decl::ImplicitParam:
6880 case Decl::ObjCAtDefsField:
6881 case Decl::ObjCCategory:
6882 case Decl::ObjCCategoryImpl:
6883 case Decl::ObjCCompatibleAlias:
6884 case Decl::ObjCImplementation:
6885 case Decl::ObjCInterface:
6886 case Decl::ObjCIvar:
6887 case Decl::ObjCMethod:
6888 case Decl::ObjCProperty:
6889 case Decl::ObjCPropertyImpl:
6890 case Decl::ObjCProtocol:
6891 case Decl::ObjCTypeParam:
6892 return CXLanguage_ObjC;
6893 case Decl::CXXConstructor:
6894 case Decl::CXXConversion:
6895 case Decl::CXXDestructor:
6896 case Decl::CXXMethod:
6897 case Decl::CXXRecord:
6898 case Decl::ClassTemplate:
6899 case Decl::ClassTemplatePartialSpecialization:
6900 case Decl::ClassTemplateSpecialization:
6902 case Decl::FriendTemplate:
6903 case Decl::FunctionTemplate:
6904 case Decl::LinkageSpec:
6905 case Decl::Namespace:
6906 case Decl::NamespaceAlias:
6907 case Decl::NonTypeTemplateParm:
6908 case Decl::StaticAssert:
6909 case Decl::TemplateTemplateParm:
6910 case Decl::TemplateTypeParm:
6911 case Decl::UnresolvedUsingTypename:
6912 case Decl::UnresolvedUsingValue:
6914 case Decl::UsingDirective:
6915 case Decl::UsingShadow:
6916 return CXLanguage_CPlusPlus;
6919 return CXLanguage_C;
6924 static CXAvailabilityKind getCursorAvailabilityForDecl(const Decl *D) {
6925 if (isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->isDeleted())
6926 return CXAvailability_NotAvailable;
6928 switch (D->getAvailability()) {
6930 case AR_NotYetIntroduced:
6931 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6932 return getCursorAvailabilityForDecl(
6933 cast<Decl>(EnumConst->getDeclContext()));
6934 return CXAvailability_Available;
6937 return CXAvailability_Deprecated;
6939 case AR_Unavailable:
6940 return CXAvailability_NotAvailable;
6943 llvm_unreachable("Unknown availability kind!");
6946 enum CXAvailabilityKind clang_getCursorAvailability(CXCursor cursor) {
6947 if (clang_isDeclaration(cursor.kind))
6948 if (const Decl *D = cxcursor::getCursorDecl(cursor))
6949 return getCursorAvailabilityForDecl(D);
6951 return CXAvailability_Available;
6954 static CXVersion convertVersion(VersionTuple In) {
6955 CXVersion Out = { -1, -1, -1 };
6959 Out.Major = In.getMajor();
6961 Optional<unsigned> Minor = In.getMinor();
6962 if (Minor.hasValue())
6967 Optional<unsigned> Subminor = In.getSubminor();
6968 if (Subminor.hasValue())
6969 Out.Subminor = *Subminor;
6974 static int getCursorPlatformAvailabilityForDecl(const Decl *D,
6975 int *always_deprecated,
6976 CXString *deprecated_message,
6977 int *always_unavailable,
6978 CXString *unavailable_message,
6979 CXPlatformAvailability *availability,
6980 int availability_size) {
6981 bool HadAvailAttr = false;
6983 for (auto A : D->attrs()) {
6984 if (DeprecatedAttr *Deprecated = dyn_cast<DeprecatedAttr>(A)) {
6985 HadAvailAttr = true;
6986 if (always_deprecated)
6987 *always_deprecated = 1;
6988 if (deprecated_message) {
6989 clang_disposeString(*deprecated_message);
6990 *deprecated_message = cxstring::createDup(Deprecated->getMessage());
6995 if (UnavailableAttr *Unavailable = dyn_cast<UnavailableAttr>(A)) {
6996 HadAvailAttr = true;
6997 if (always_unavailable)
6998 *always_unavailable = 1;
6999 if (unavailable_message) {
7000 clang_disposeString(*unavailable_message);
7001 *unavailable_message = cxstring::createDup(Unavailable->getMessage());
7006 if (AvailabilityAttr *Avail = dyn_cast<AvailabilityAttr>(A)) {
7007 HadAvailAttr = true;
7008 if (N < availability_size) {
7009 availability[N].Platform
7010 = cxstring::createDup(Avail->getPlatform()->getName());
7011 availability[N].Introduced = convertVersion(Avail->getIntroduced());
7012 availability[N].Deprecated = convertVersion(Avail->getDeprecated());
7013 availability[N].Obsoleted = convertVersion(Avail->getObsoleted());
7014 availability[N].Unavailable = Avail->getUnavailable();
7015 availability[N].Message = cxstring::createDup(Avail->getMessage());
7022 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
7023 return getCursorPlatformAvailabilityForDecl(
7024 cast<Decl>(EnumConst->getDeclContext()),
7028 unavailable_message,
7035 int clang_getCursorPlatformAvailability(CXCursor cursor,
7036 int *always_deprecated,
7037 CXString *deprecated_message,
7038 int *always_unavailable,
7039 CXString *unavailable_message,
7040 CXPlatformAvailability *availability,
7041 int availability_size) {
7042 if (always_deprecated)
7043 *always_deprecated = 0;
7044 if (deprecated_message)
7045 *deprecated_message = cxstring::createEmpty();
7046 if (always_unavailable)
7047 *always_unavailable = 0;
7048 if (unavailable_message)
7049 *unavailable_message = cxstring::createEmpty();
7051 if (!clang_isDeclaration(cursor.kind))
7054 const Decl *D = cxcursor::getCursorDecl(cursor);
7058 return getCursorPlatformAvailabilityForDecl(D, always_deprecated,
7061 unavailable_message,
7066 void clang_disposeCXPlatformAvailability(CXPlatformAvailability *availability) {
7067 clang_disposeString(availability->Platform);
7068 clang_disposeString(availability->Message);
7071 CXLanguageKind clang_getCursorLanguage(CXCursor cursor) {
7072 if (clang_isDeclaration(cursor.kind))
7073 return getDeclLanguage(cxcursor::getCursorDecl(cursor));
7075 return CXLanguage_Invalid;
7078 /// \brief If the given cursor is the "templated" declaration
7079 /// descibing a class or function template, return the class or
7080 /// function template.
7081 static const Decl *maybeGetTemplateCursor(const Decl *D) {
7085 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
7086 if (FunctionTemplateDecl *FunTmpl = FD->getDescribedFunctionTemplate())
7089 if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D))
7090 if (ClassTemplateDecl *ClassTmpl = RD->getDescribedClassTemplate())
7097 enum CX_StorageClass clang_Cursor_getStorageClass(CXCursor C) {
7098 StorageClass sc = SC_None;
7099 const Decl *D = getCursorDecl(C);
7101 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
7102 sc = FD->getStorageClass();
7103 } else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
7104 sc = VD->getStorageClass();
7106 return CX_SC_Invalid;
7109 return CX_SC_Invalid;
7115 return CX_SC_Extern;
7117 return CX_SC_Static;
7118 case SC_PrivateExtern:
7119 return CX_SC_PrivateExtern;
7123 return CX_SC_Register;
7125 llvm_unreachable("Unhandled storage class!");
7128 CXCursor clang_getCursorSemanticParent(CXCursor cursor) {
7129 if (clang_isDeclaration(cursor.kind)) {
7130 if (const Decl *D = getCursorDecl(cursor)) {
7131 const DeclContext *DC = D->getDeclContext();
7133 return clang_getNullCursor();
7135 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
7136 getCursorTU(cursor));
7140 if (clang_isStatement(cursor.kind) || clang_isExpression(cursor.kind)) {
7141 if (const Decl *D = getCursorDecl(cursor))
7142 return MakeCXCursor(D, getCursorTU(cursor));
7145 return clang_getNullCursor();
7148 CXCursor clang_getCursorLexicalParent(CXCursor cursor) {
7149 if (clang_isDeclaration(cursor.kind)) {
7150 if (const Decl *D = getCursorDecl(cursor)) {
7151 const DeclContext *DC = D->getLexicalDeclContext();
7153 return clang_getNullCursor();
7155 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
7156 getCursorTU(cursor));
7160 // FIXME: Note that we can't easily compute the lexical context of a
7161 // statement or expression, so we return nothing.
7162 return clang_getNullCursor();
7165 CXFile clang_getIncludedFile(CXCursor cursor) {
7166 if (cursor.kind != CXCursor_InclusionDirective)
7169 const InclusionDirective *ID = getCursorInclusionDirective(cursor);
7170 return const_cast<FileEntry *>(ID->getFile());
7173 unsigned clang_Cursor_getObjCPropertyAttributes(CXCursor C, unsigned reserved) {
7174 if (C.kind != CXCursor_ObjCPropertyDecl)
7175 return CXObjCPropertyAttr_noattr;
7177 unsigned Result = CXObjCPropertyAttr_noattr;
7178 const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(getCursorDecl(C));
7179 ObjCPropertyDecl::PropertyAttributeKind Attr =
7180 PD->getPropertyAttributesAsWritten();
7182 #define SET_CXOBJCPROP_ATTR(A) \
7183 if (Attr & ObjCPropertyDecl::OBJC_PR_##A) \
7184 Result |= CXObjCPropertyAttr_##A
7185 SET_CXOBJCPROP_ATTR(readonly);
7186 SET_CXOBJCPROP_ATTR(getter);
7187 SET_CXOBJCPROP_ATTR(assign);
7188 SET_CXOBJCPROP_ATTR(readwrite);
7189 SET_CXOBJCPROP_ATTR(retain);
7190 SET_CXOBJCPROP_ATTR(copy);
7191 SET_CXOBJCPROP_ATTR(nonatomic);
7192 SET_CXOBJCPROP_ATTR(setter);
7193 SET_CXOBJCPROP_ATTR(atomic);
7194 SET_CXOBJCPROP_ATTR(weak);
7195 SET_CXOBJCPROP_ATTR(strong);
7196 SET_CXOBJCPROP_ATTR(unsafe_unretained);
7197 #undef SET_CXOBJCPROP_ATTR
7202 unsigned clang_Cursor_getObjCDeclQualifiers(CXCursor C) {
7203 if (!clang_isDeclaration(C.kind))
7204 return CXObjCDeclQualifier_None;
7206 Decl::ObjCDeclQualifier QT = Decl::OBJC_TQ_None;
7207 const Decl *D = getCursorDecl(C);
7208 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
7209 QT = MD->getObjCDeclQualifier();
7210 else if (const ParmVarDecl *PD = dyn_cast<ParmVarDecl>(D))
7211 QT = PD->getObjCDeclQualifier();
7212 if (QT == Decl::OBJC_TQ_None)
7213 return CXObjCDeclQualifier_None;
7215 unsigned Result = CXObjCDeclQualifier_None;
7216 if (QT & Decl::OBJC_TQ_In) Result |= CXObjCDeclQualifier_In;
7217 if (QT & Decl::OBJC_TQ_Inout) Result |= CXObjCDeclQualifier_Inout;
7218 if (QT & Decl::OBJC_TQ_Out) Result |= CXObjCDeclQualifier_Out;
7219 if (QT & Decl::OBJC_TQ_Bycopy) Result |= CXObjCDeclQualifier_Bycopy;
7220 if (QT & Decl::OBJC_TQ_Byref) Result |= CXObjCDeclQualifier_Byref;
7221 if (QT & Decl::OBJC_TQ_Oneway) Result |= CXObjCDeclQualifier_Oneway;
7226 unsigned clang_Cursor_isObjCOptional(CXCursor C) {
7227 if (!clang_isDeclaration(C.kind))
7230 const Decl *D = getCursorDecl(C);
7231 if (const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(D))
7232 return PD->getPropertyImplementation() == ObjCPropertyDecl::Optional;
7233 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
7234 return MD->getImplementationControl() == ObjCMethodDecl::Optional;
7239 unsigned clang_Cursor_isVariadic(CXCursor C) {
7240 if (!clang_isDeclaration(C.kind))
7243 const Decl *D = getCursorDecl(C);
7244 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
7245 return FD->isVariadic();
7246 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
7247 return MD->isVariadic();
7252 CXSourceRange clang_Cursor_getCommentRange(CXCursor C) {
7253 if (!clang_isDeclaration(C.kind))
7254 return clang_getNullRange();
7256 const Decl *D = getCursorDecl(C);
7257 ASTContext &Context = getCursorContext(C);
7258 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
7260 return clang_getNullRange();
7262 return cxloc::translateSourceRange(Context, RC->getSourceRange());
7265 CXString clang_Cursor_getRawCommentText(CXCursor C) {
7266 if (!clang_isDeclaration(C.kind))
7267 return cxstring::createNull();
7269 const Decl *D = getCursorDecl(C);
7270 ASTContext &Context = getCursorContext(C);
7271 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
7272 StringRef RawText = RC ? RC->getRawText(Context.getSourceManager()) :
7275 // Don't duplicate the string because RawText points directly into source
7277 return cxstring::createRef(RawText);
7280 CXString clang_Cursor_getBriefCommentText(CXCursor C) {
7281 if (!clang_isDeclaration(C.kind))
7282 return cxstring::createNull();
7284 const Decl *D = getCursorDecl(C);
7285 const ASTContext &Context = getCursorContext(C);
7286 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
7289 StringRef BriefText = RC->getBriefText(Context);
7291 // Don't duplicate the string because RawComment ensures that this memory
7292 // will not go away.
7293 return cxstring::createRef(BriefText);
7296 return cxstring::createNull();
7299 CXModule clang_Cursor_getModule(CXCursor C) {
7300 if (C.kind == CXCursor_ModuleImportDecl) {
7301 if (const ImportDecl *ImportD =
7302 dyn_cast_or_null<ImportDecl>(getCursorDecl(C)))
7303 return ImportD->getImportedModule();
7309 CXModule clang_getModuleForFile(CXTranslationUnit TU, CXFile File) {
7310 if (isNotUsableTU(TU)) {
7316 FileEntry *FE = static_cast<FileEntry *>(File);
7318 ASTUnit &Unit = *cxtu::getASTUnit(TU);
7319 HeaderSearch &HS = Unit.getPreprocessor().getHeaderSearchInfo();
7320 ModuleMap::KnownHeader Header = HS.findModuleForHeader(FE);
7322 return Header.getModule();
7325 CXFile clang_Module_getASTFile(CXModule CXMod) {
7328 Module *Mod = static_cast<Module*>(CXMod);
7329 return const_cast<FileEntry *>(Mod->getASTFile());
7332 CXModule clang_Module_getParent(CXModule CXMod) {
7335 Module *Mod = static_cast<Module*>(CXMod);
7339 CXString clang_Module_getName(CXModule CXMod) {
7341 return cxstring::createEmpty();
7342 Module *Mod = static_cast<Module*>(CXMod);
7343 return cxstring::createDup(Mod->Name);
7346 CXString clang_Module_getFullName(CXModule CXMod) {
7348 return cxstring::createEmpty();
7349 Module *Mod = static_cast<Module*>(CXMod);
7350 return cxstring::createDup(Mod->getFullModuleName());
7353 int clang_Module_isSystem(CXModule CXMod) {
7356 Module *Mod = static_cast<Module*>(CXMod);
7357 return Mod->IsSystem;
7360 unsigned clang_Module_getNumTopLevelHeaders(CXTranslationUnit TU,
7362 if (isNotUsableTU(TU)) {
7368 Module *Mod = static_cast<Module*>(CXMod);
7369 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7370 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7371 return TopHeaders.size();
7374 CXFile clang_Module_getTopLevelHeader(CXTranslationUnit TU,
7375 CXModule CXMod, unsigned Index) {
7376 if (isNotUsableTU(TU)) {
7382 Module *Mod = static_cast<Module*>(CXMod);
7383 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7385 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7386 if (Index < TopHeaders.size())
7387 return const_cast<FileEntry *>(TopHeaders[Index]);
7392 } // end: extern "C"
7394 //===----------------------------------------------------------------------===//
7395 // C++ AST instrospection.
7396 //===----------------------------------------------------------------------===//
7399 unsigned clang_CXXField_isMutable(CXCursor C) {
7400 if (!clang_isDeclaration(C.kind))
7403 if (const auto D = cxcursor::getCursorDecl(C))
7404 if (const auto FD = dyn_cast_or_null<FieldDecl>(D))
7405 return FD->isMutable() ? 1 : 0;
7409 unsigned clang_CXXMethod_isPureVirtual(CXCursor C) {
7410 if (!clang_isDeclaration(C.kind))
7413 const Decl *D = cxcursor::getCursorDecl(C);
7414 const CXXMethodDecl *Method =
7415 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7416 return (Method && Method->isVirtual() && Method->isPure()) ? 1 : 0;
7419 unsigned clang_CXXMethod_isConst(CXCursor C) {
7420 if (!clang_isDeclaration(C.kind))
7423 const Decl *D = cxcursor::getCursorDecl(C);
7424 const CXXMethodDecl *Method =
7425 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7426 return (Method && (Method->getTypeQualifiers() & Qualifiers::Const)) ? 1 : 0;
7429 unsigned clang_CXXMethod_isStatic(CXCursor C) {
7430 if (!clang_isDeclaration(C.kind))
7433 const Decl *D = cxcursor::getCursorDecl(C);
7434 const CXXMethodDecl *Method =
7435 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7436 return (Method && Method->isStatic()) ? 1 : 0;
7439 unsigned clang_CXXMethod_isVirtual(CXCursor C) {
7440 if (!clang_isDeclaration(C.kind))
7443 const Decl *D = cxcursor::getCursorDecl(C);
7444 const CXXMethodDecl *Method =
7445 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7446 return (Method && Method->isVirtual()) ? 1 : 0;
7448 } // end: extern "C"
7450 //===----------------------------------------------------------------------===//
7451 // Attribute introspection.
7452 //===----------------------------------------------------------------------===//
7455 CXType clang_getIBOutletCollectionType(CXCursor C) {
7456 if (C.kind != CXCursor_IBOutletCollectionAttr)
7457 return cxtype::MakeCXType(QualType(), cxcursor::getCursorTU(C));
7459 const IBOutletCollectionAttr *A =
7460 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
7462 return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorTU(C));
7464 } // end: extern "C"
7466 //===----------------------------------------------------------------------===//
7467 // Inspecting memory usage.
7468 //===----------------------------------------------------------------------===//
7470 typedef std::vector<CXTUResourceUsageEntry> MemUsageEntries;
7472 static inline void createCXTUResourceUsageEntry(MemUsageEntries &entries,
7473 enum CXTUResourceUsageKind k,
7474 unsigned long amount) {
7475 CXTUResourceUsageEntry entry = { k, amount };
7476 entries.push_back(entry);
7481 const char *clang_getTUResourceUsageName(CXTUResourceUsageKind kind) {
7482 const char *str = "";
7484 case CXTUResourceUsage_AST:
7485 str = "ASTContext: expressions, declarations, and types";
7487 case CXTUResourceUsage_Identifiers:
7488 str = "ASTContext: identifiers";
7490 case CXTUResourceUsage_Selectors:
7491 str = "ASTContext: selectors";
7493 case CXTUResourceUsage_GlobalCompletionResults:
7494 str = "Code completion: cached global results";
7496 case CXTUResourceUsage_SourceManagerContentCache:
7497 str = "SourceManager: content cache allocator";
7499 case CXTUResourceUsage_AST_SideTables:
7500 str = "ASTContext: side tables";
7502 case CXTUResourceUsage_SourceManager_Membuffer_Malloc:
7503 str = "SourceManager: malloc'ed memory buffers";
7505 case CXTUResourceUsage_SourceManager_Membuffer_MMap:
7506 str = "SourceManager: mmap'ed memory buffers";
7508 case CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc:
7509 str = "ExternalASTSource: malloc'ed memory buffers";
7511 case CXTUResourceUsage_ExternalASTSource_Membuffer_MMap:
7512 str = "ExternalASTSource: mmap'ed memory buffers";
7514 case CXTUResourceUsage_Preprocessor:
7515 str = "Preprocessor: malloc'ed memory";
7517 case CXTUResourceUsage_PreprocessingRecord:
7518 str = "Preprocessor: PreprocessingRecord";
7520 case CXTUResourceUsage_SourceManager_DataStructures:
7521 str = "SourceManager: data structures and tables";
7523 case CXTUResourceUsage_Preprocessor_HeaderSearch:
7524 str = "Preprocessor: header search tables";
7530 CXTUResourceUsage clang_getCXTUResourceUsage(CXTranslationUnit TU) {
7531 if (isNotUsableTU(TU)) {
7533 CXTUResourceUsage usage = { (void*) nullptr, 0, nullptr };
7537 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7538 std::unique_ptr<MemUsageEntries> entries(new MemUsageEntries());
7539 ASTContext &astContext = astUnit->getASTContext();
7541 // How much memory is used by AST nodes and types?
7542 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST,
7543 (unsigned long) astContext.getASTAllocatedMemory());
7545 // How much memory is used by identifiers?
7546 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Identifiers,
7547 (unsigned long) astContext.Idents.getAllocator().getTotalMemory());
7549 // How much memory is used for selectors?
7550 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Selectors,
7551 (unsigned long) astContext.Selectors.getTotalMemory());
7553 // How much memory is used by ASTContext's side tables?
7554 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST_SideTables,
7555 (unsigned long) astContext.getSideTableAllocatedMemory());
7557 // How much memory is used for caching global code completion results?
7558 unsigned long completionBytes = 0;
7559 if (GlobalCodeCompletionAllocator *completionAllocator =
7560 astUnit->getCachedCompletionAllocator().get()) {
7561 completionBytes = completionAllocator->getTotalMemory();
7563 createCXTUResourceUsageEntry(*entries,
7564 CXTUResourceUsage_GlobalCompletionResults,
7567 // How much memory is being used by SourceManager's content cache?
7568 createCXTUResourceUsageEntry(*entries,
7569 CXTUResourceUsage_SourceManagerContentCache,
7570 (unsigned long) astContext.getSourceManager().getContentCacheSize());
7572 // How much memory is being used by the MemoryBuffer's in SourceManager?
7573 const SourceManager::MemoryBufferSizes &srcBufs =
7574 astUnit->getSourceManager().getMemoryBufferSizes();
7576 createCXTUResourceUsageEntry(*entries,
7577 CXTUResourceUsage_SourceManager_Membuffer_Malloc,
7578 (unsigned long) srcBufs.malloc_bytes);
7579 createCXTUResourceUsageEntry(*entries,
7580 CXTUResourceUsage_SourceManager_Membuffer_MMap,
7581 (unsigned long) srcBufs.mmap_bytes);
7582 createCXTUResourceUsageEntry(*entries,
7583 CXTUResourceUsage_SourceManager_DataStructures,
7584 (unsigned long) astContext.getSourceManager()
7585 .getDataStructureSizes());
7587 // How much memory is being used by the ExternalASTSource?
7588 if (ExternalASTSource *esrc = astContext.getExternalSource()) {
7589 const ExternalASTSource::MemoryBufferSizes &sizes =
7590 esrc->getMemoryBufferSizes();
7592 createCXTUResourceUsageEntry(*entries,
7593 CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc,
7594 (unsigned long) sizes.malloc_bytes);
7595 createCXTUResourceUsageEntry(*entries,
7596 CXTUResourceUsage_ExternalASTSource_Membuffer_MMap,
7597 (unsigned long) sizes.mmap_bytes);
7600 // How much memory is being used by the Preprocessor?
7601 Preprocessor &pp = astUnit->getPreprocessor();
7602 createCXTUResourceUsageEntry(*entries,
7603 CXTUResourceUsage_Preprocessor,
7604 pp.getTotalMemory());
7606 if (PreprocessingRecord *pRec = pp.getPreprocessingRecord()) {
7607 createCXTUResourceUsageEntry(*entries,
7608 CXTUResourceUsage_PreprocessingRecord,
7609 pRec->getTotalMemory());
7612 createCXTUResourceUsageEntry(*entries,
7613 CXTUResourceUsage_Preprocessor_HeaderSearch,
7614 pp.getHeaderSearchInfo().getTotalMemory());
7616 CXTUResourceUsage usage = { (void*) entries.get(),
7617 (unsigned) entries->size(),
7618 !entries->empty() ? &(*entries)[0] : nullptr };
7623 void clang_disposeCXTUResourceUsage(CXTUResourceUsage usage) {
7625 delete (MemUsageEntries*) usage.data;
7628 CXSourceRangeList *clang_getSkippedRanges(CXTranslationUnit TU, CXFile file) {
7629 CXSourceRangeList *skipped = new CXSourceRangeList;
7631 skipped->ranges = nullptr;
7633 if (isNotUsableTU(TU)) {
7641 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7642 PreprocessingRecord *ppRec = astUnit->getPreprocessor().getPreprocessingRecord();
7646 ASTContext &Ctx = astUnit->getASTContext();
7647 SourceManager &sm = Ctx.getSourceManager();
7648 FileEntry *fileEntry = static_cast<FileEntry *>(file);
7649 FileID wantedFileID = sm.translateFile(fileEntry);
7651 const std::vector<SourceRange> &SkippedRanges = ppRec->getSkippedRanges();
7652 std::vector<SourceRange> wantedRanges;
7653 for (std::vector<SourceRange>::const_iterator i = SkippedRanges.begin(), ei = SkippedRanges.end();
7655 if (sm.getFileID(i->getBegin()) == wantedFileID || sm.getFileID(i->getEnd()) == wantedFileID)
7656 wantedRanges.push_back(*i);
7659 skipped->count = wantedRanges.size();
7660 skipped->ranges = new CXSourceRange[skipped->count];
7661 for (unsigned i = 0, ei = skipped->count; i != ei; ++i)
7662 skipped->ranges[i] = cxloc::translateSourceRange(Ctx, wantedRanges[i]);
7667 void clang_disposeSourceRangeList(CXSourceRangeList *ranges) {
7669 delete[] ranges->ranges;
7676 void clang::PrintLibclangResourceUsage(CXTranslationUnit TU) {
7677 CXTUResourceUsage Usage = clang_getCXTUResourceUsage(TU);
7678 for (unsigned I = 0; I != Usage.numEntries; ++I)
7679 fprintf(stderr, " %s: %lu\n",
7680 clang_getTUResourceUsageName(Usage.entries[I].kind),
7681 Usage.entries[I].amount);
7683 clang_disposeCXTUResourceUsage(Usage);
7686 //===----------------------------------------------------------------------===//
7687 // Misc. utility functions.
7688 //===----------------------------------------------------------------------===//
7690 /// Default to using an 8 MB stack size on "safety" threads.
7691 static unsigned SafetyStackThreadSize = 8 << 20;
7695 bool RunSafely(llvm::CrashRecoveryContext &CRC, llvm::function_ref<void()> Fn,
7698 Size = GetSafetyThreadStackSize();
7700 return CRC.RunSafelyOnThread(Fn, Size);
7701 return CRC.RunSafely(Fn);
7704 unsigned GetSafetyThreadStackSize() {
7705 return SafetyStackThreadSize;
7708 void SetSafetyThreadStackSize(unsigned Value) {
7709 SafetyStackThreadSize = Value;
7714 void clang::setThreadBackgroundPriority() {
7715 if (getenv("LIBCLANG_BGPRIO_DISABLE"))
7718 #ifdef USE_DARWIN_THREADS
7719 setpriority(PRIO_DARWIN_THREAD, 0, PRIO_DARWIN_BG);
7723 void cxindex::printDiagsToStderr(ASTUnit *Unit) {
7727 for (ASTUnit::stored_diag_iterator D = Unit->stored_diag_begin(),
7728 DEnd = Unit->stored_diag_end();
7730 CXStoredDiagnostic Diag(*D, Unit->getLangOpts());
7731 CXString Msg = clang_formatDiagnostic(&Diag,
7732 clang_defaultDiagnosticDisplayOptions());
7733 fprintf(stderr, "%s\n", clang_getCString(Msg));
7734 clang_disposeString(Msg);
7736 #ifdef LLVM_ON_WIN32
7737 // On Windows, force a flush, since there may be multiple copies of
7738 // stderr and stdout in the file system, all with different buffers
7739 // but writing to the same device.
7744 MacroInfo *cxindex::getMacroInfo(const IdentifierInfo &II,
7745 SourceLocation MacroDefLoc,
7746 CXTranslationUnit TU){
7747 if (MacroDefLoc.isInvalid() || !TU)
7749 if (!II.hadMacroDefinition())
7752 ASTUnit *Unit = cxtu::getASTUnit(TU);
7753 Preprocessor &PP = Unit->getPreprocessor();
7754 MacroDirective *MD = PP.getLocalMacroDirectiveHistory(&II);
7756 for (MacroDirective::DefInfo
7757 Def = MD->getDefinition(); Def; Def = Def.getPreviousDefinition()) {
7758 if (MacroDefLoc == Def.getMacroInfo()->getDefinitionLoc())
7759 return Def.getMacroInfo();
7766 const MacroInfo *cxindex::getMacroInfo(const MacroDefinitionRecord *MacroDef,
7767 CXTranslationUnit TU) {
7768 if (!MacroDef || !TU)
7770 const IdentifierInfo *II = MacroDef->getName();
7774 return getMacroInfo(*II, MacroDef->getLocation(), TU);
7777 MacroDefinitionRecord *
7778 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, const Token &Tok,
7779 CXTranslationUnit TU) {
7782 if (Tok.isNot(tok::raw_identifier))
7785 if (MI->getNumTokens() == 0)
7787 SourceRange DefRange(MI->getReplacementToken(0).getLocation(),
7788 MI->getDefinitionEndLoc());
7789 ASTUnit *Unit = cxtu::getASTUnit(TU);
7791 // Check that the token is inside the definition and not its argument list.
7792 SourceManager &SM = Unit->getSourceManager();
7793 if (SM.isBeforeInTranslationUnit(Tok.getLocation(), DefRange.getBegin()))
7795 if (SM.isBeforeInTranslationUnit(DefRange.getEnd(), Tok.getLocation()))
7798 Preprocessor &PP = Unit->getPreprocessor();
7799 PreprocessingRecord *PPRec = PP.getPreprocessingRecord();
7803 IdentifierInfo &II = PP.getIdentifierTable().get(Tok.getRawIdentifier());
7804 if (!II.hadMacroDefinition())
7807 // Check that the identifier is not one of the macro arguments.
7808 if (std::find(MI->arg_begin(), MI->arg_end(), &II) != MI->arg_end())
7811 MacroDirective *InnerMD = PP.getLocalMacroDirectiveHistory(&II);
7815 return PPRec->findMacroDefinition(InnerMD->getMacroInfo());
7818 MacroDefinitionRecord *
7819 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, SourceLocation Loc,
7820 CXTranslationUnit TU) {
7821 if (Loc.isInvalid() || !MI || !TU)
7824 if (MI->getNumTokens() == 0)
7826 ASTUnit *Unit = cxtu::getASTUnit(TU);
7827 Preprocessor &PP = Unit->getPreprocessor();
7828 if (!PP.getPreprocessingRecord())
7830 Loc = Unit->getSourceManager().getSpellingLoc(Loc);
7832 if (PP.getRawToken(Loc, Tok))
7835 return checkForMacroInMacroDefinition(MI, Tok, TU);
7840 CXString clang_getClangVersion() {
7841 return cxstring::createDup(getClangFullVersion());
7844 } // end: extern "C"
7846 Logger &cxindex::Logger::operator<<(CXTranslationUnit TU) {
7848 if (ASTUnit *Unit = cxtu::getASTUnit(TU)) {
7849 LogOS << '<' << Unit->getMainFileName() << '>';
7850 if (Unit->isMainFileAST())
7851 LogOS << " (" << Unit->getASTFileName() << ')';
7855 LogOS << "<NULL TU>";
7860 Logger &cxindex::Logger::operator<<(const FileEntry *FE) {
7861 *this << FE->getName();
7865 Logger &cxindex::Logger::operator<<(CXCursor cursor) {
7866 CXString cursorName = clang_getCursorDisplayName(cursor);
7867 *this << cursorName << "@" << clang_getCursorLocation(cursor);
7868 clang_disposeString(cursorName);
7872 Logger &cxindex::Logger::operator<<(CXSourceLocation Loc) {
7874 unsigned Line, Column;
7875 clang_getFileLocation(Loc, &File, &Line, &Column, nullptr);
7876 CXString FileName = clang_getFileName(File);
7877 *this << llvm::format("(%s:%d:%d)", clang_getCString(FileName), Line, Column);
7878 clang_disposeString(FileName);
7882 Logger &cxindex::Logger::operator<<(CXSourceRange range) {
7883 CXSourceLocation BLoc = clang_getRangeStart(range);
7884 CXSourceLocation ELoc = clang_getRangeEnd(range);
7887 unsigned BLine, BColumn;
7888 clang_getFileLocation(BLoc, &BFile, &BLine, &BColumn, nullptr);
7891 unsigned ELine, EColumn;
7892 clang_getFileLocation(ELoc, &EFile, &ELine, &EColumn, nullptr);
7894 CXString BFileName = clang_getFileName(BFile);
7895 if (BFile == EFile) {
7896 *this << llvm::format("[%s %d:%d-%d:%d]", clang_getCString(BFileName),
7897 BLine, BColumn, ELine, EColumn);
7899 CXString EFileName = clang_getFileName(EFile);
7900 *this << llvm::format("[%s:%d:%d - ", clang_getCString(BFileName),
7902 << llvm::format("%s:%d:%d]", clang_getCString(EFileName),
7904 clang_disposeString(EFileName);
7906 clang_disposeString(BFileName);
7910 Logger &cxindex::Logger::operator<<(CXString Str) {
7911 *this << clang_getCString(Str);
7915 Logger &cxindex::Logger::operator<<(const llvm::format_object_base &Fmt) {
7920 static llvm::ManagedStatic<llvm::sys::Mutex> LoggingMutex;
7922 cxindex::Logger::~Logger() {
7923 llvm::sys::ScopedLock L(*LoggingMutex);
7925 static llvm::TimeRecord sBeginTR = llvm::TimeRecord::getCurrentTime();
7927 raw_ostream &OS = llvm::errs();
7928 OS << "[libclang:" << Name << ':';
7930 #ifdef USE_DARWIN_THREADS
7931 // TODO: Portability.
7932 mach_port_t tid = pthread_mach_thread_np(pthread_self());
7936 llvm::TimeRecord TR = llvm::TimeRecord::getCurrentTime();
7937 OS << llvm::format("%7.4f] ", TR.getWallTime() - sBeginTR.getWallTime());
7941 llvm::sys::PrintStackTrace(OS);
7942 OS << "--------------------------------------------------\n";