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 unsigned clang_defaultSaveOptions(CXTranslationUnit TU) {
3293 return CXSaveTranslationUnit_None;
3296 static CXSaveError clang_saveTranslationUnit_Impl(CXTranslationUnit TU,
3297 const char *FileName,
3299 CIndexer *CXXIdx = TU->CIdx;
3300 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3301 setThreadBackgroundPriority();
3303 bool hadError = cxtu::getASTUnit(TU)->Save(FileName);
3304 return hadError ? CXSaveError_Unknown : CXSaveError_None;
3307 int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
3310 *Log << TU << ' ' << FileName;
3313 if (isNotUsableTU(TU)) {
3315 return CXSaveError_InvalidTU;
3318 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3319 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3320 if (!CXXUnit->hasSema())
3321 return CXSaveError_InvalidTU;
3324 auto SaveTranslationUnitImpl = [=, &result]() {
3325 result = clang_saveTranslationUnit_Impl(TU, FileName, options);
3328 if (!CXXUnit->getDiagnostics().hasUnrecoverableErrorOccurred() ||
3329 getenv("LIBCLANG_NOTHREADS")) {
3330 SaveTranslationUnitImpl();
3332 if (getenv("LIBCLANG_RESOURCE_USAGE"))
3333 PrintLibclangResourceUsage(TU);
3338 // We have an AST that has invalid nodes due to compiler errors.
3339 // Use a crash recovery thread for protection.
3341 llvm::CrashRecoveryContext CRC;
3343 if (!RunSafely(CRC, SaveTranslationUnitImpl)) {
3344 fprintf(stderr, "libclang: crash detected during AST saving: {\n");
3345 fprintf(stderr, " 'filename' : '%s'\n", FileName);
3346 fprintf(stderr, " 'options' : %d,\n", options);
3347 fprintf(stderr, "}\n");
3349 return CXSaveError_Unknown;
3351 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3352 PrintLibclangResourceUsage(TU);
3358 void clang_disposeTranslationUnit(CXTranslationUnit CTUnit) {
3360 // If the translation unit has been marked as unsafe to free, just discard
3362 ASTUnit *Unit = cxtu::getASTUnit(CTUnit);
3363 if (Unit && Unit->isUnsafeToFree())
3366 delete cxtu::getASTUnit(CTUnit);
3367 delete CTUnit->StringPool;
3368 delete static_cast<CXDiagnosticSetImpl *>(CTUnit->Diagnostics);
3369 disposeOverridenCXCursorsPool(CTUnit->OverridenCursorsPool);
3370 delete CTUnit->CommentToXML;
3375 unsigned clang_defaultReparseOptions(CXTranslationUnit TU) {
3376 return CXReparse_None;
3380 clang_reparseTranslationUnit_Impl(CXTranslationUnit TU,
3381 ArrayRef<CXUnsavedFile> unsaved_files,
3384 if (isNotUsableTU(TU)) {
3386 return CXError_InvalidArguments;
3389 // Reset the associated diagnostics.
3390 delete static_cast<CXDiagnosticSetImpl*>(TU->Diagnostics);
3391 TU->Diagnostics = nullptr;
3393 CIndexer *CXXIdx = TU->CIdx;
3394 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
3395 setThreadBackgroundPriority();
3397 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3398 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3400 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3401 new std::vector<ASTUnit::RemappedFile>());
3403 // Recover resources if we crash before exiting this function.
3404 llvm::CrashRecoveryContextCleanupRegistrar<
3405 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3407 for (auto &UF : unsaved_files) {
3408 std::unique_ptr<llvm::MemoryBuffer> MB =
3409 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3410 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3413 if (!CXXUnit->Reparse(CXXIdx->getPCHContainerOperations(),
3414 *RemappedFiles.get()))
3415 return CXError_Success;
3416 if (isASTReadError(CXXUnit))
3417 return CXError_ASTReadError;
3418 return CXError_Failure;
3421 int clang_reparseTranslationUnit(CXTranslationUnit TU,
3422 unsigned num_unsaved_files,
3423 struct CXUnsavedFile *unsaved_files,
3429 if (num_unsaved_files && !unsaved_files)
3430 return CXError_InvalidArguments;
3433 auto ReparseTranslationUnitImpl = [=, &result]() {
3434 result = clang_reparseTranslationUnit_Impl(
3435 TU, llvm::makeArrayRef(unsaved_files, num_unsaved_files), options);
3438 if (getenv("LIBCLANG_NOTHREADS")) {
3439 ReparseTranslationUnitImpl();
3443 llvm::CrashRecoveryContext CRC;
3445 if (!RunSafely(CRC, ReparseTranslationUnitImpl)) {
3446 fprintf(stderr, "libclang: crash detected during reparsing\n");
3447 cxtu::getASTUnit(TU)->setUnsafeToFree(true);
3448 return CXError_Crashed;
3449 } else if (getenv("LIBCLANG_RESOURCE_USAGE"))
3450 PrintLibclangResourceUsage(TU);
3456 CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
3457 if (isNotUsableTU(CTUnit)) {
3459 return cxstring::createEmpty();
3462 ASTUnit *CXXUnit = cxtu::getASTUnit(CTUnit);
3463 return cxstring::createDup(CXXUnit->getOriginalSourceFileName());
3466 CXCursor clang_getTranslationUnitCursor(CXTranslationUnit TU) {
3467 if (isNotUsableTU(TU)) {
3469 return clang_getNullCursor();
3472 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3473 return MakeCXCursor(CXXUnit->getASTContext().getTranslationUnitDecl(), TU);
3476 } // end: extern "C"
3478 //===----------------------------------------------------------------------===//
3479 // CXFile Operations.
3480 //===----------------------------------------------------------------------===//
3483 CXString clang_getFileName(CXFile SFile) {
3485 return cxstring::createNull();
3487 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3488 return cxstring::createRef(FEnt->getName());
3491 time_t clang_getFileTime(CXFile SFile) {
3495 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3496 return FEnt->getModificationTime();
3499 CXFile clang_getFile(CXTranslationUnit TU, const char *file_name) {
3500 if (isNotUsableTU(TU)) {
3505 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3507 FileManager &FMgr = CXXUnit->getFileManager();
3508 return const_cast<FileEntry *>(FMgr.getFile(file_name));
3511 unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit TU,
3513 if (isNotUsableTU(TU)) {
3521 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3522 FileEntry *FEnt = static_cast<FileEntry *>(file);
3523 return CXXUnit->getPreprocessor().getHeaderSearchInfo()
3524 .isFileMultipleIncludeGuarded(FEnt);
3527 int clang_getFileUniqueID(CXFile file, CXFileUniqueID *outID) {
3528 if (!file || !outID)
3531 FileEntry *FEnt = static_cast<FileEntry *>(file);
3532 const llvm::sys::fs::UniqueID &ID = FEnt->getUniqueID();
3533 outID->data[0] = ID.getDevice();
3534 outID->data[1] = ID.getFile();
3535 outID->data[2] = FEnt->getModificationTime();
3539 int clang_File_isEqual(CXFile file1, CXFile file2) {
3543 if (!file1 || !file2)
3546 FileEntry *FEnt1 = static_cast<FileEntry *>(file1);
3547 FileEntry *FEnt2 = static_cast<FileEntry *>(file2);
3548 return FEnt1->getUniqueID() == FEnt2->getUniqueID();
3551 } // end: extern "C"
3553 //===----------------------------------------------------------------------===//
3554 // CXCursor Operations.
3555 //===----------------------------------------------------------------------===//
3557 static const Decl *getDeclFromExpr(const Stmt *E) {
3558 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3559 return getDeclFromExpr(CE->getSubExpr());
3561 if (const DeclRefExpr *RefExpr = dyn_cast<DeclRefExpr>(E))
3562 return RefExpr->getDecl();
3563 if (const MemberExpr *ME = dyn_cast<MemberExpr>(E))
3564 return ME->getMemberDecl();
3565 if (const ObjCIvarRefExpr *RE = dyn_cast<ObjCIvarRefExpr>(E))
3566 return RE->getDecl();
3567 if (const ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(E)) {
3568 if (PRE->isExplicitProperty())
3569 return PRE->getExplicitProperty();
3570 // It could be messaging both getter and setter as in:
3572 // in which case prefer to associate the setter since it is less obvious
3573 // from inspecting the source that the setter is going to get called.
3574 if (PRE->isMessagingSetter())
3575 return PRE->getImplicitPropertySetter();
3576 return PRE->getImplicitPropertyGetter();
3578 if (const PseudoObjectExpr *POE = dyn_cast<PseudoObjectExpr>(E))
3579 return getDeclFromExpr(POE->getSyntacticForm());
3580 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E))
3581 if (Expr *Src = OVE->getSourceExpr())
3582 return getDeclFromExpr(Src);
3584 if (const CallExpr *CE = dyn_cast<CallExpr>(E))
3585 return getDeclFromExpr(CE->getCallee());
3586 if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E))
3587 if (!CE->isElidable())
3588 return CE->getConstructor();
3589 if (const ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(E))
3590 return OME->getMethodDecl();
3592 if (const ObjCProtocolExpr *PE = dyn_cast<ObjCProtocolExpr>(E))
3593 return PE->getProtocol();
3594 if (const SubstNonTypeTemplateParmPackExpr *NTTP
3595 = dyn_cast<SubstNonTypeTemplateParmPackExpr>(E))
3596 return NTTP->getParameterPack();
3597 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3598 if (isa<NonTypeTemplateParmDecl>(SizeOfPack->getPack()) ||
3599 isa<ParmVarDecl>(SizeOfPack->getPack()))
3600 return SizeOfPack->getPack();
3605 static SourceLocation getLocationFromExpr(const Expr *E) {
3606 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3607 return getLocationFromExpr(CE->getSubExpr());
3609 if (const ObjCMessageExpr *Msg = dyn_cast<ObjCMessageExpr>(E))
3610 return /*FIXME:*/Msg->getLeftLoc();
3611 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E))
3612 return DRE->getLocation();
3613 if (const MemberExpr *Member = dyn_cast<MemberExpr>(E))
3614 return Member->getMemberLoc();
3615 if (const ObjCIvarRefExpr *Ivar = dyn_cast<ObjCIvarRefExpr>(E))
3616 return Ivar->getLocation();
3617 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3618 return SizeOfPack->getPackLoc();
3619 if (const ObjCPropertyRefExpr *PropRef = dyn_cast<ObjCPropertyRefExpr>(E))
3620 return PropRef->getLocation();
3622 return E->getLocStart();
3625 static std::string getMangledStructor(std::unique_ptr<MangleContext> &M,
3626 std::unique_ptr<llvm::DataLayout> &DL,
3627 const NamedDecl *ND,
3628 unsigned StructorType) {
3629 std::string FrontendBuf;
3630 llvm::raw_string_ostream FOS(FrontendBuf);
3632 if (const auto *CD = dyn_cast_or_null<CXXConstructorDecl>(ND))
3633 M->mangleCXXCtor(CD, static_cast<CXXCtorType>(StructorType), FOS);
3634 else if (const auto *DD = dyn_cast_or_null<CXXDestructorDecl>(ND))
3635 M->mangleCXXDtor(DD, static_cast<CXXDtorType>(StructorType), FOS);
3637 std::string BackendBuf;
3638 llvm::raw_string_ostream BOS(BackendBuf);
3640 llvm::Mangler::getNameWithPrefix(BOS, llvm::Twine(FOS.str()), *DL);
3647 unsigned clang_visitChildren(CXCursor parent,
3648 CXCursorVisitor visitor,
3649 CXClientData client_data) {
3650 CursorVisitor CursorVis(getCursorTU(parent), visitor, client_data,
3651 /*VisitPreprocessorLast=*/false);
3652 return CursorVis.VisitChildren(parent);
3655 #ifndef __has_feature
3656 #define __has_feature(x) 0
3658 #if __has_feature(blocks)
3659 typedef enum CXChildVisitResult
3660 (^CXCursorVisitorBlock)(CXCursor cursor, CXCursor parent);
3662 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
3663 CXClientData client_data) {
3664 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
3665 return block(cursor, parent);
3668 // If we are compiled with a compiler that doesn't have native blocks support,
3669 // define and call the block manually, so the
3670 typedef struct _CXChildVisitResult
3675 enum CXChildVisitResult(*invoke)(struct _CXChildVisitResult*, CXCursor,
3677 } *CXCursorVisitorBlock;
3679 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
3680 CXClientData client_data) {
3681 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
3682 return block->invoke(block, cursor, parent);
3687 unsigned clang_visitChildrenWithBlock(CXCursor parent,
3688 CXCursorVisitorBlock block) {
3689 return clang_visitChildren(parent, visitWithBlock, block);
3692 static CXString getDeclSpelling(const Decl *D) {
3694 return cxstring::createEmpty();
3696 const NamedDecl *ND = dyn_cast<NamedDecl>(D);
3698 if (const ObjCPropertyImplDecl *PropImpl =
3699 dyn_cast<ObjCPropertyImplDecl>(D))
3700 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
3701 return cxstring::createDup(Property->getIdentifier()->getName());
3703 if (const ImportDecl *ImportD = dyn_cast<ImportDecl>(D))
3704 if (Module *Mod = ImportD->getImportedModule())
3705 return cxstring::createDup(Mod->getFullModuleName());
3707 return cxstring::createEmpty();
3710 if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(ND))
3711 return cxstring::createDup(OMD->getSelector().getAsString());
3713 if (const ObjCCategoryImplDecl *CIMP = dyn_cast<ObjCCategoryImplDecl>(ND))
3714 // No, this isn't the same as the code below. getIdentifier() is non-virtual
3715 // and returns different names. NamedDecl returns the class name and
3716 // ObjCCategoryImplDecl returns the category name.
3717 return cxstring::createRef(CIMP->getIdentifier()->getNameStart());
3719 if (isa<UsingDirectiveDecl>(D))
3720 return cxstring::createEmpty();
3722 SmallString<1024> S;
3723 llvm::raw_svector_ostream os(S);
3726 return cxstring::createDup(os.str());
3729 CXString clang_getCursorSpelling(CXCursor C) {
3730 if (clang_isTranslationUnit(C.kind))
3731 return clang_getTranslationUnitSpelling(getCursorTU(C));
3733 if (clang_isReference(C.kind)) {
3735 case CXCursor_ObjCSuperClassRef: {
3736 const ObjCInterfaceDecl *Super = getCursorObjCSuperClassRef(C).first;
3737 return cxstring::createRef(Super->getIdentifier()->getNameStart());
3739 case CXCursor_ObjCClassRef: {
3740 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
3741 return cxstring::createRef(Class->getIdentifier()->getNameStart());
3743 case CXCursor_ObjCProtocolRef: {
3744 const ObjCProtocolDecl *OID = getCursorObjCProtocolRef(C).first;
3745 assert(OID && "getCursorSpelling(): Missing protocol decl");
3746 return cxstring::createRef(OID->getIdentifier()->getNameStart());
3748 case CXCursor_CXXBaseSpecifier: {
3749 const CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
3750 return cxstring::createDup(B->getType().getAsString());
3752 case CXCursor_TypeRef: {
3753 const TypeDecl *Type = getCursorTypeRef(C).first;
3754 assert(Type && "Missing type decl");
3756 return cxstring::createDup(getCursorContext(C).getTypeDeclType(Type).
3759 case CXCursor_TemplateRef: {
3760 const TemplateDecl *Template = getCursorTemplateRef(C).first;
3761 assert(Template && "Missing template decl");
3763 return cxstring::createDup(Template->getNameAsString());
3766 case CXCursor_NamespaceRef: {
3767 const NamedDecl *NS = getCursorNamespaceRef(C).first;
3768 assert(NS && "Missing namespace decl");
3770 return cxstring::createDup(NS->getNameAsString());
3773 case CXCursor_MemberRef: {
3774 const FieldDecl *Field = getCursorMemberRef(C).first;
3775 assert(Field && "Missing member decl");
3777 return cxstring::createDup(Field->getNameAsString());
3780 case CXCursor_LabelRef: {
3781 const LabelStmt *Label = getCursorLabelRef(C).first;
3782 assert(Label && "Missing label");
3784 return cxstring::createRef(Label->getName());
3787 case CXCursor_OverloadedDeclRef: {
3788 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
3789 if (const Decl *D = Storage.dyn_cast<const Decl *>()) {
3790 if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
3791 return cxstring::createDup(ND->getNameAsString());
3792 return cxstring::createEmpty();
3794 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
3795 return cxstring::createDup(E->getName().getAsString());
3796 OverloadedTemplateStorage *Ovl
3797 = Storage.get<OverloadedTemplateStorage*>();
3798 if (Ovl->size() == 0)
3799 return cxstring::createEmpty();
3800 return cxstring::createDup((*Ovl->begin())->getNameAsString());
3803 case CXCursor_VariableRef: {
3804 const VarDecl *Var = getCursorVariableRef(C).first;
3805 assert(Var && "Missing variable decl");
3807 return cxstring::createDup(Var->getNameAsString());
3811 return cxstring::createRef("<not implemented>");
3815 if (clang_isExpression(C.kind)) {
3816 const Expr *E = getCursorExpr(C);
3818 if (C.kind == CXCursor_ObjCStringLiteral ||
3819 C.kind == CXCursor_StringLiteral) {
3820 const StringLiteral *SLit;
3821 if (const ObjCStringLiteral *OSL = dyn_cast<ObjCStringLiteral>(E)) {
3822 SLit = OSL->getString();
3824 SLit = cast<StringLiteral>(E);
3826 SmallString<256> Buf;
3827 llvm::raw_svector_ostream OS(Buf);
3828 SLit->outputString(OS);
3829 return cxstring::createDup(OS.str());
3832 const Decl *D = getDeclFromExpr(getCursorExpr(C));
3834 return getDeclSpelling(D);
3835 return cxstring::createEmpty();
3838 if (clang_isStatement(C.kind)) {
3839 const Stmt *S = getCursorStmt(C);
3840 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S))
3841 return cxstring::createRef(Label->getName());
3843 return cxstring::createEmpty();
3846 if (C.kind == CXCursor_MacroExpansion)
3847 return cxstring::createRef(getCursorMacroExpansion(C).getName()
3850 if (C.kind == CXCursor_MacroDefinition)
3851 return cxstring::createRef(getCursorMacroDefinition(C)->getName()
3854 if (C.kind == CXCursor_InclusionDirective)
3855 return cxstring::createDup(getCursorInclusionDirective(C)->getFileName());
3857 if (clang_isDeclaration(C.kind))
3858 return getDeclSpelling(getCursorDecl(C));
3860 if (C.kind == CXCursor_AnnotateAttr) {
3861 const AnnotateAttr *AA = cast<AnnotateAttr>(cxcursor::getCursorAttr(C));
3862 return cxstring::createDup(AA->getAnnotation());
3865 if (C.kind == CXCursor_AsmLabelAttr) {
3866 const AsmLabelAttr *AA = cast<AsmLabelAttr>(cxcursor::getCursorAttr(C));
3867 return cxstring::createDup(AA->getLabel());
3870 if (C.kind == CXCursor_PackedAttr) {
3871 return cxstring::createRef("packed");
3874 if (C.kind == CXCursor_VisibilityAttr) {
3875 const VisibilityAttr *AA = cast<VisibilityAttr>(cxcursor::getCursorAttr(C));
3876 switch (AA->getVisibility()) {
3877 case VisibilityAttr::VisibilityType::Default:
3878 return cxstring::createRef("default");
3879 case VisibilityAttr::VisibilityType::Hidden:
3880 return cxstring::createRef("hidden");
3881 case VisibilityAttr::VisibilityType::Protected:
3882 return cxstring::createRef("protected");
3884 llvm_unreachable("unknown visibility type");
3887 return cxstring::createEmpty();
3890 CXSourceRange clang_Cursor_getSpellingNameRange(CXCursor C,
3891 unsigned pieceIndex,
3893 if (clang_Cursor_isNull(C))
3894 return clang_getNullRange();
3896 ASTContext &Ctx = getCursorContext(C);
3898 if (clang_isStatement(C.kind)) {
3899 const Stmt *S = getCursorStmt(C);
3900 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S)) {
3902 return clang_getNullRange();
3903 return cxloc::translateSourceRange(Ctx, Label->getIdentLoc());
3906 return clang_getNullRange();
3909 if (C.kind == CXCursor_ObjCMessageExpr) {
3910 if (const ObjCMessageExpr *
3911 ME = dyn_cast_or_null<ObjCMessageExpr>(getCursorExpr(C))) {
3912 if (pieceIndex >= ME->getNumSelectorLocs())
3913 return clang_getNullRange();
3914 return cxloc::translateSourceRange(Ctx, ME->getSelectorLoc(pieceIndex));
3918 if (C.kind == CXCursor_ObjCInstanceMethodDecl ||
3919 C.kind == CXCursor_ObjCClassMethodDecl) {
3920 if (const ObjCMethodDecl *
3921 MD = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(C))) {
3922 if (pieceIndex >= MD->getNumSelectorLocs())
3923 return clang_getNullRange();
3924 return cxloc::translateSourceRange(Ctx, MD->getSelectorLoc(pieceIndex));
3928 if (C.kind == CXCursor_ObjCCategoryDecl ||
3929 C.kind == CXCursor_ObjCCategoryImplDecl) {
3931 return clang_getNullRange();
3932 if (const ObjCCategoryDecl *
3933 CD = dyn_cast_or_null<ObjCCategoryDecl>(getCursorDecl(C)))
3934 return cxloc::translateSourceRange(Ctx, CD->getCategoryNameLoc());
3935 if (const ObjCCategoryImplDecl *
3936 CID = dyn_cast_or_null<ObjCCategoryImplDecl>(getCursorDecl(C)))
3937 return cxloc::translateSourceRange(Ctx, CID->getCategoryNameLoc());
3940 if (C.kind == CXCursor_ModuleImportDecl) {
3942 return clang_getNullRange();
3943 if (const ImportDecl *ImportD =
3944 dyn_cast_or_null<ImportDecl>(getCursorDecl(C))) {
3945 ArrayRef<SourceLocation> Locs = ImportD->getIdentifierLocs();
3947 return cxloc::translateSourceRange(Ctx,
3948 SourceRange(Locs.front(), Locs.back()));
3950 return clang_getNullRange();
3953 if (C.kind == CXCursor_CXXMethod || C.kind == CXCursor_Destructor ||
3954 C.kind == CXCursor_ConversionFunction) {
3956 return clang_getNullRange();
3957 if (const FunctionDecl *FD =
3958 dyn_cast_or_null<FunctionDecl>(getCursorDecl(C))) {
3959 DeclarationNameInfo FunctionName = FD->getNameInfo();
3960 return cxloc::translateSourceRange(Ctx, FunctionName.getSourceRange());
3962 return clang_getNullRange();
3965 // FIXME: A CXCursor_InclusionDirective should give the location of the
3966 // filename, but we don't keep track of this.
3968 // FIXME: A CXCursor_AnnotateAttr should give the location of the annotation
3969 // but we don't keep track of this.
3971 // FIXME: A CXCursor_AsmLabelAttr should give the location of the label
3972 // but we don't keep track of this.
3974 // Default handling, give the location of the cursor.
3977 return clang_getNullRange();
3979 CXSourceLocation CXLoc = clang_getCursorLocation(C);
3980 SourceLocation Loc = cxloc::translateSourceLocation(CXLoc);
3981 return cxloc::translateSourceRange(Ctx, Loc);
3984 CXString clang_Cursor_getMangling(CXCursor C) {
3985 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
3986 return cxstring::createEmpty();
3988 // Mangling only works for functions and variables.
3989 const Decl *D = getCursorDecl(C);
3990 if (!D || !(isa<FunctionDecl>(D) || isa<VarDecl>(D)))
3991 return cxstring::createEmpty();
3993 // First apply frontend mangling.
3994 const NamedDecl *ND = cast<NamedDecl>(D);
3995 ASTContext &Ctx = ND->getASTContext();
3996 std::unique_ptr<MangleContext> MC(Ctx.createMangleContext());
3998 std::string FrontendBuf;
3999 llvm::raw_string_ostream FrontendBufOS(FrontendBuf);
4000 if (MC->shouldMangleDeclName(ND)) {
4001 MC->mangleName(ND, FrontendBufOS);
4003 ND->printName(FrontendBufOS);
4006 // Now apply backend mangling.
4007 std::unique_ptr<llvm::DataLayout> DL(
4008 new llvm::DataLayout(Ctx.getTargetInfo().getDataLayoutString()));
4010 std::string FinalBuf;
4011 llvm::raw_string_ostream FinalBufOS(FinalBuf);
4012 llvm::Mangler::getNameWithPrefix(FinalBufOS, llvm::Twine(FrontendBufOS.str()),
4015 return cxstring::createDup(FinalBufOS.str());
4018 CXStringSet *clang_Cursor_getCXXManglings(CXCursor C) {
4019 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
4022 const Decl *D = getCursorDecl(C);
4023 if (!(isa<CXXRecordDecl>(D) || isa<CXXMethodDecl>(D)))
4026 const NamedDecl *ND = cast<NamedDecl>(D);
4028 ASTContext &Ctx = ND->getASTContext();
4029 std::unique_ptr<MangleContext> M(Ctx.createMangleContext());
4030 std::unique_ptr<llvm::DataLayout> DL(
4031 new llvm::DataLayout(Ctx.getTargetInfo().getDataLayoutString()));
4033 std::vector<std::string> Manglings;
4035 auto hasDefaultCXXMethodCC = [](ASTContext &C, const CXXMethodDecl *MD) {
4036 auto DefaultCC = C.getDefaultCallingConvention(/*IsVariadic=*/false,
4037 /*IsCSSMethod=*/true);
4038 auto CC = MD->getType()->getAs<FunctionProtoType>()->getCallConv();
4039 return CC == DefaultCC;
4042 if (const auto *CD = dyn_cast_or_null<CXXConstructorDecl>(ND)) {
4043 Manglings.emplace_back(getMangledStructor(M, DL, CD, Ctor_Base));
4045 if (Ctx.getTargetInfo().getCXXABI().isItaniumFamily())
4046 if (!CD->getParent()->isAbstract())
4047 Manglings.emplace_back(getMangledStructor(M, DL, CD, Ctor_Complete));
4049 if (Ctx.getTargetInfo().getCXXABI().isMicrosoft())
4050 if (CD->hasAttr<DLLExportAttr>() && CD->isDefaultConstructor())
4051 if (!(hasDefaultCXXMethodCC(Ctx, CD) && CD->getNumParams() == 0))
4052 Manglings.emplace_back(getMangledStructor(M, DL, CD,
4053 Ctor_DefaultClosure));
4054 } else if (const auto *DD = dyn_cast_or_null<CXXDestructorDecl>(ND)) {
4055 Manglings.emplace_back(getMangledStructor(M, DL, DD, Dtor_Base));
4056 if (Ctx.getTargetInfo().getCXXABI().isItaniumFamily()) {
4057 Manglings.emplace_back(getMangledStructor(M, DL, DD, Dtor_Complete));
4058 if (DD->isVirtual())
4059 Manglings.emplace_back(getMangledStructor(M, DL, DD, Dtor_Deleting));
4063 return cxstring::createSet(Manglings);
4066 CXString clang_getCursorDisplayName(CXCursor C) {
4067 if (!clang_isDeclaration(C.kind))
4068 return clang_getCursorSpelling(C);
4070 const Decl *D = getCursorDecl(C);
4072 return cxstring::createEmpty();
4074 PrintingPolicy Policy = getCursorContext(C).getPrintingPolicy();
4075 if (const FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(D))
4076 D = FunTmpl->getTemplatedDecl();
4078 if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
4079 SmallString<64> Str;
4080 llvm::raw_svector_ostream OS(Str);
4082 if (Function->getPrimaryTemplate())
4085 for (unsigned I = 0, N = Function->getNumParams(); I != N; ++I) {
4088 OS << Function->getParamDecl(I)->getType().getAsString(Policy);
4091 if (Function->isVariadic()) {
4092 if (Function->getNumParams())
4097 return cxstring::createDup(OS.str());
4100 if (const ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(D)) {
4101 SmallString<64> Str;
4102 llvm::raw_svector_ostream OS(Str);
4103 OS << *ClassTemplate;
4105 TemplateParameterList *Params = ClassTemplate->getTemplateParameters();
4106 for (unsigned I = 0, N = Params->size(); I != N; ++I) {
4110 NamedDecl *Param = Params->getParam(I);
4111 if (Param->getIdentifier()) {
4112 OS << Param->getIdentifier()->getName();
4116 // There is no parameter name, which makes this tricky. Try to come up
4117 // with something useful that isn't too long.
4118 if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Param))
4119 OS << (TTP->wasDeclaredWithTypename()? "typename" : "class");
4120 else if (NonTypeTemplateParmDecl *NTTP
4121 = dyn_cast<NonTypeTemplateParmDecl>(Param))
4122 OS << NTTP->getType().getAsString(Policy);
4124 OS << "template<...> class";
4128 return cxstring::createDup(OS.str());
4131 if (const ClassTemplateSpecializationDecl *ClassSpec
4132 = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
4133 // If the type was explicitly written, use that.
4134 if (TypeSourceInfo *TSInfo = ClassSpec->getTypeAsWritten())
4135 return cxstring::createDup(TSInfo->getType().getAsString(Policy));
4137 SmallString<128> Str;
4138 llvm::raw_svector_ostream OS(Str);
4140 TemplateSpecializationType::PrintTemplateArgumentList(OS,
4141 ClassSpec->getTemplateArgs().data(),
4142 ClassSpec->getTemplateArgs().size(),
4144 return cxstring::createDup(OS.str());
4147 return clang_getCursorSpelling(C);
4150 CXString clang_getCursorKindSpelling(enum CXCursorKind Kind) {
4152 case CXCursor_FunctionDecl:
4153 return cxstring::createRef("FunctionDecl");
4154 case CXCursor_TypedefDecl:
4155 return cxstring::createRef("TypedefDecl");
4156 case CXCursor_EnumDecl:
4157 return cxstring::createRef("EnumDecl");
4158 case CXCursor_EnumConstantDecl:
4159 return cxstring::createRef("EnumConstantDecl");
4160 case CXCursor_StructDecl:
4161 return cxstring::createRef("StructDecl");
4162 case CXCursor_UnionDecl:
4163 return cxstring::createRef("UnionDecl");
4164 case CXCursor_ClassDecl:
4165 return cxstring::createRef("ClassDecl");
4166 case CXCursor_FieldDecl:
4167 return cxstring::createRef("FieldDecl");
4168 case CXCursor_VarDecl:
4169 return cxstring::createRef("VarDecl");
4170 case CXCursor_ParmDecl:
4171 return cxstring::createRef("ParmDecl");
4172 case CXCursor_ObjCInterfaceDecl:
4173 return cxstring::createRef("ObjCInterfaceDecl");
4174 case CXCursor_ObjCCategoryDecl:
4175 return cxstring::createRef("ObjCCategoryDecl");
4176 case CXCursor_ObjCProtocolDecl:
4177 return cxstring::createRef("ObjCProtocolDecl");
4178 case CXCursor_ObjCPropertyDecl:
4179 return cxstring::createRef("ObjCPropertyDecl");
4180 case CXCursor_ObjCIvarDecl:
4181 return cxstring::createRef("ObjCIvarDecl");
4182 case CXCursor_ObjCInstanceMethodDecl:
4183 return cxstring::createRef("ObjCInstanceMethodDecl");
4184 case CXCursor_ObjCClassMethodDecl:
4185 return cxstring::createRef("ObjCClassMethodDecl");
4186 case CXCursor_ObjCImplementationDecl:
4187 return cxstring::createRef("ObjCImplementationDecl");
4188 case CXCursor_ObjCCategoryImplDecl:
4189 return cxstring::createRef("ObjCCategoryImplDecl");
4190 case CXCursor_CXXMethod:
4191 return cxstring::createRef("CXXMethod");
4192 case CXCursor_UnexposedDecl:
4193 return cxstring::createRef("UnexposedDecl");
4194 case CXCursor_ObjCSuperClassRef:
4195 return cxstring::createRef("ObjCSuperClassRef");
4196 case CXCursor_ObjCProtocolRef:
4197 return cxstring::createRef("ObjCProtocolRef");
4198 case CXCursor_ObjCClassRef:
4199 return cxstring::createRef("ObjCClassRef");
4200 case CXCursor_TypeRef:
4201 return cxstring::createRef("TypeRef");
4202 case CXCursor_TemplateRef:
4203 return cxstring::createRef("TemplateRef");
4204 case CXCursor_NamespaceRef:
4205 return cxstring::createRef("NamespaceRef");
4206 case CXCursor_MemberRef:
4207 return cxstring::createRef("MemberRef");
4208 case CXCursor_LabelRef:
4209 return cxstring::createRef("LabelRef");
4210 case CXCursor_OverloadedDeclRef:
4211 return cxstring::createRef("OverloadedDeclRef");
4212 case CXCursor_VariableRef:
4213 return cxstring::createRef("VariableRef");
4214 case CXCursor_IntegerLiteral:
4215 return cxstring::createRef("IntegerLiteral");
4216 case CXCursor_FloatingLiteral:
4217 return cxstring::createRef("FloatingLiteral");
4218 case CXCursor_ImaginaryLiteral:
4219 return cxstring::createRef("ImaginaryLiteral");
4220 case CXCursor_StringLiteral:
4221 return cxstring::createRef("StringLiteral");
4222 case CXCursor_CharacterLiteral:
4223 return cxstring::createRef("CharacterLiteral");
4224 case CXCursor_ParenExpr:
4225 return cxstring::createRef("ParenExpr");
4226 case CXCursor_UnaryOperator:
4227 return cxstring::createRef("UnaryOperator");
4228 case CXCursor_ArraySubscriptExpr:
4229 return cxstring::createRef("ArraySubscriptExpr");
4230 case CXCursor_OMPArraySectionExpr:
4231 return cxstring::createRef("OMPArraySectionExpr");
4232 case CXCursor_BinaryOperator:
4233 return cxstring::createRef("BinaryOperator");
4234 case CXCursor_CompoundAssignOperator:
4235 return cxstring::createRef("CompoundAssignOperator");
4236 case CXCursor_ConditionalOperator:
4237 return cxstring::createRef("ConditionalOperator");
4238 case CXCursor_CStyleCastExpr:
4239 return cxstring::createRef("CStyleCastExpr");
4240 case CXCursor_CompoundLiteralExpr:
4241 return cxstring::createRef("CompoundLiteralExpr");
4242 case CXCursor_InitListExpr:
4243 return cxstring::createRef("InitListExpr");
4244 case CXCursor_AddrLabelExpr:
4245 return cxstring::createRef("AddrLabelExpr");
4246 case CXCursor_StmtExpr:
4247 return cxstring::createRef("StmtExpr");
4248 case CXCursor_GenericSelectionExpr:
4249 return cxstring::createRef("GenericSelectionExpr");
4250 case CXCursor_GNUNullExpr:
4251 return cxstring::createRef("GNUNullExpr");
4252 case CXCursor_CXXStaticCastExpr:
4253 return cxstring::createRef("CXXStaticCastExpr");
4254 case CXCursor_CXXDynamicCastExpr:
4255 return cxstring::createRef("CXXDynamicCastExpr");
4256 case CXCursor_CXXReinterpretCastExpr:
4257 return cxstring::createRef("CXXReinterpretCastExpr");
4258 case CXCursor_CXXConstCastExpr:
4259 return cxstring::createRef("CXXConstCastExpr");
4260 case CXCursor_CXXFunctionalCastExpr:
4261 return cxstring::createRef("CXXFunctionalCastExpr");
4262 case CXCursor_CXXTypeidExpr:
4263 return cxstring::createRef("CXXTypeidExpr");
4264 case CXCursor_CXXBoolLiteralExpr:
4265 return cxstring::createRef("CXXBoolLiteralExpr");
4266 case CXCursor_CXXNullPtrLiteralExpr:
4267 return cxstring::createRef("CXXNullPtrLiteralExpr");
4268 case CXCursor_CXXThisExpr:
4269 return cxstring::createRef("CXXThisExpr");
4270 case CXCursor_CXXThrowExpr:
4271 return cxstring::createRef("CXXThrowExpr");
4272 case CXCursor_CXXNewExpr:
4273 return cxstring::createRef("CXXNewExpr");
4274 case CXCursor_CXXDeleteExpr:
4275 return cxstring::createRef("CXXDeleteExpr");
4276 case CXCursor_UnaryExpr:
4277 return cxstring::createRef("UnaryExpr");
4278 case CXCursor_ObjCStringLiteral:
4279 return cxstring::createRef("ObjCStringLiteral");
4280 case CXCursor_ObjCBoolLiteralExpr:
4281 return cxstring::createRef("ObjCBoolLiteralExpr");
4282 case CXCursor_ObjCSelfExpr:
4283 return cxstring::createRef("ObjCSelfExpr");
4284 case CXCursor_ObjCEncodeExpr:
4285 return cxstring::createRef("ObjCEncodeExpr");
4286 case CXCursor_ObjCSelectorExpr:
4287 return cxstring::createRef("ObjCSelectorExpr");
4288 case CXCursor_ObjCProtocolExpr:
4289 return cxstring::createRef("ObjCProtocolExpr");
4290 case CXCursor_ObjCBridgedCastExpr:
4291 return cxstring::createRef("ObjCBridgedCastExpr");
4292 case CXCursor_BlockExpr:
4293 return cxstring::createRef("BlockExpr");
4294 case CXCursor_PackExpansionExpr:
4295 return cxstring::createRef("PackExpansionExpr");
4296 case CXCursor_SizeOfPackExpr:
4297 return cxstring::createRef("SizeOfPackExpr");
4298 case CXCursor_LambdaExpr:
4299 return cxstring::createRef("LambdaExpr");
4300 case CXCursor_UnexposedExpr:
4301 return cxstring::createRef("UnexposedExpr");
4302 case CXCursor_DeclRefExpr:
4303 return cxstring::createRef("DeclRefExpr");
4304 case CXCursor_MemberRefExpr:
4305 return cxstring::createRef("MemberRefExpr");
4306 case CXCursor_CallExpr:
4307 return cxstring::createRef("CallExpr");
4308 case CXCursor_ObjCMessageExpr:
4309 return cxstring::createRef("ObjCMessageExpr");
4310 case CXCursor_UnexposedStmt:
4311 return cxstring::createRef("UnexposedStmt");
4312 case CXCursor_DeclStmt:
4313 return cxstring::createRef("DeclStmt");
4314 case CXCursor_LabelStmt:
4315 return cxstring::createRef("LabelStmt");
4316 case CXCursor_CompoundStmt:
4317 return cxstring::createRef("CompoundStmt");
4318 case CXCursor_CaseStmt:
4319 return cxstring::createRef("CaseStmt");
4320 case CXCursor_DefaultStmt:
4321 return cxstring::createRef("DefaultStmt");
4322 case CXCursor_IfStmt:
4323 return cxstring::createRef("IfStmt");
4324 case CXCursor_SwitchStmt:
4325 return cxstring::createRef("SwitchStmt");
4326 case CXCursor_WhileStmt:
4327 return cxstring::createRef("WhileStmt");
4328 case CXCursor_DoStmt:
4329 return cxstring::createRef("DoStmt");
4330 case CXCursor_ForStmt:
4331 return cxstring::createRef("ForStmt");
4332 case CXCursor_GotoStmt:
4333 return cxstring::createRef("GotoStmt");
4334 case CXCursor_IndirectGotoStmt:
4335 return cxstring::createRef("IndirectGotoStmt");
4336 case CXCursor_ContinueStmt:
4337 return cxstring::createRef("ContinueStmt");
4338 case CXCursor_BreakStmt:
4339 return cxstring::createRef("BreakStmt");
4340 case CXCursor_ReturnStmt:
4341 return cxstring::createRef("ReturnStmt");
4342 case CXCursor_GCCAsmStmt:
4343 return cxstring::createRef("GCCAsmStmt");
4344 case CXCursor_MSAsmStmt:
4345 return cxstring::createRef("MSAsmStmt");
4346 case CXCursor_ObjCAtTryStmt:
4347 return cxstring::createRef("ObjCAtTryStmt");
4348 case CXCursor_ObjCAtCatchStmt:
4349 return cxstring::createRef("ObjCAtCatchStmt");
4350 case CXCursor_ObjCAtFinallyStmt:
4351 return cxstring::createRef("ObjCAtFinallyStmt");
4352 case CXCursor_ObjCAtThrowStmt:
4353 return cxstring::createRef("ObjCAtThrowStmt");
4354 case CXCursor_ObjCAtSynchronizedStmt:
4355 return cxstring::createRef("ObjCAtSynchronizedStmt");
4356 case CXCursor_ObjCAutoreleasePoolStmt:
4357 return cxstring::createRef("ObjCAutoreleasePoolStmt");
4358 case CXCursor_ObjCForCollectionStmt:
4359 return cxstring::createRef("ObjCForCollectionStmt");
4360 case CXCursor_CXXCatchStmt:
4361 return cxstring::createRef("CXXCatchStmt");
4362 case CXCursor_CXXTryStmt:
4363 return cxstring::createRef("CXXTryStmt");
4364 case CXCursor_CXXForRangeStmt:
4365 return cxstring::createRef("CXXForRangeStmt");
4366 case CXCursor_SEHTryStmt:
4367 return cxstring::createRef("SEHTryStmt");
4368 case CXCursor_SEHExceptStmt:
4369 return cxstring::createRef("SEHExceptStmt");
4370 case CXCursor_SEHFinallyStmt:
4371 return cxstring::createRef("SEHFinallyStmt");
4372 case CXCursor_SEHLeaveStmt:
4373 return cxstring::createRef("SEHLeaveStmt");
4374 case CXCursor_NullStmt:
4375 return cxstring::createRef("NullStmt");
4376 case CXCursor_InvalidFile:
4377 return cxstring::createRef("InvalidFile");
4378 case CXCursor_InvalidCode:
4379 return cxstring::createRef("InvalidCode");
4380 case CXCursor_NoDeclFound:
4381 return cxstring::createRef("NoDeclFound");
4382 case CXCursor_NotImplemented:
4383 return cxstring::createRef("NotImplemented");
4384 case CXCursor_TranslationUnit:
4385 return cxstring::createRef("TranslationUnit");
4386 case CXCursor_UnexposedAttr:
4387 return cxstring::createRef("UnexposedAttr");
4388 case CXCursor_IBActionAttr:
4389 return cxstring::createRef("attribute(ibaction)");
4390 case CXCursor_IBOutletAttr:
4391 return cxstring::createRef("attribute(iboutlet)");
4392 case CXCursor_IBOutletCollectionAttr:
4393 return cxstring::createRef("attribute(iboutletcollection)");
4394 case CXCursor_CXXFinalAttr:
4395 return cxstring::createRef("attribute(final)");
4396 case CXCursor_CXXOverrideAttr:
4397 return cxstring::createRef("attribute(override)");
4398 case CXCursor_AnnotateAttr:
4399 return cxstring::createRef("attribute(annotate)");
4400 case CXCursor_AsmLabelAttr:
4401 return cxstring::createRef("asm label");
4402 case CXCursor_PackedAttr:
4403 return cxstring::createRef("attribute(packed)");
4404 case CXCursor_PureAttr:
4405 return cxstring::createRef("attribute(pure)");
4406 case CXCursor_ConstAttr:
4407 return cxstring::createRef("attribute(const)");
4408 case CXCursor_NoDuplicateAttr:
4409 return cxstring::createRef("attribute(noduplicate)");
4410 case CXCursor_CUDAConstantAttr:
4411 return cxstring::createRef("attribute(constant)");
4412 case CXCursor_CUDADeviceAttr:
4413 return cxstring::createRef("attribute(device)");
4414 case CXCursor_CUDAGlobalAttr:
4415 return cxstring::createRef("attribute(global)");
4416 case CXCursor_CUDAHostAttr:
4417 return cxstring::createRef("attribute(host)");
4418 case CXCursor_CUDASharedAttr:
4419 return cxstring::createRef("attribute(shared)");
4420 case CXCursor_VisibilityAttr:
4421 return cxstring::createRef("attribute(visibility)");
4422 case CXCursor_DLLExport:
4423 return cxstring::createRef("attribute(dllexport)");
4424 case CXCursor_DLLImport:
4425 return cxstring::createRef("attribute(dllimport)");
4426 case CXCursor_PreprocessingDirective:
4427 return cxstring::createRef("preprocessing directive");
4428 case CXCursor_MacroDefinition:
4429 return cxstring::createRef("macro definition");
4430 case CXCursor_MacroExpansion:
4431 return cxstring::createRef("macro expansion");
4432 case CXCursor_InclusionDirective:
4433 return cxstring::createRef("inclusion directive");
4434 case CXCursor_Namespace:
4435 return cxstring::createRef("Namespace");
4436 case CXCursor_LinkageSpec:
4437 return cxstring::createRef("LinkageSpec");
4438 case CXCursor_CXXBaseSpecifier:
4439 return cxstring::createRef("C++ base class specifier");
4440 case CXCursor_Constructor:
4441 return cxstring::createRef("CXXConstructor");
4442 case CXCursor_Destructor:
4443 return cxstring::createRef("CXXDestructor");
4444 case CXCursor_ConversionFunction:
4445 return cxstring::createRef("CXXConversion");
4446 case CXCursor_TemplateTypeParameter:
4447 return cxstring::createRef("TemplateTypeParameter");
4448 case CXCursor_NonTypeTemplateParameter:
4449 return cxstring::createRef("NonTypeTemplateParameter");
4450 case CXCursor_TemplateTemplateParameter:
4451 return cxstring::createRef("TemplateTemplateParameter");
4452 case CXCursor_FunctionTemplate:
4453 return cxstring::createRef("FunctionTemplate");
4454 case CXCursor_ClassTemplate:
4455 return cxstring::createRef("ClassTemplate");
4456 case CXCursor_ClassTemplatePartialSpecialization:
4457 return cxstring::createRef("ClassTemplatePartialSpecialization");
4458 case CXCursor_NamespaceAlias:
4459 return cxstring::createRef("NamespaceAlias");
4460 case CXCursor_UsingDirective:
4461 return cxstring::createRef("UsingDirective");
4462 case CXCursor_UsingDeclaration:
4463 return cxstring::createRef("UsingDeclaration");
4464 case CXCursor_TypeAliasDecl:
4465 return cxstring::createRef("TypeAliasDecl");
4466 case CXCursor_ObjCSynthesizeDecl:
4467 return cxstring::createRef("ObjCSynthesizeDecl");
4468 case CXCursor_ObjCDynamicDecl:
4469 return cxstring::createRef("ObjCDynamicDecl");
4470 case CXCursor_CXXAccessSpecifier:
4471 return cxstring::createRef("CXXAccessSpecifier");
4472 case CXCursor_ModuleImportDecl:
4473 return cxstring::createRef("ModuleImport");
4474 case CXCursor_OMPParallelDirective:
4475 return cxstring::createRef("OMPParallelDirective");
4476 case CXCursor_OMPSimdDirective:
4477 return cxstring::createRef("OMPSimdDirective");
4478 case CXCursor_OMPForDirective:
4479 return cxstring::createRef("OMPForDirective");
4480 case CXCursor_OMPForSimdDirective:
4481 return cxstring::createRef("OMPForSimdDirective");
4482 case CXCursor_OMPSectionsDirective:
4483 return cxstring::createRef("OMPSectionsDirective");
4484 case CXCursor_OMPSectionDirective:
4485 return cxstring::createRef("OMPSectionDirective");
4486 case CXCursor_OMPSingleDirective:
4487 return cxstring::createRef("OMPSingleDirective");
4488 case CXCursor_OMPMasterDirective:
4489 return cxstring::createRef("OMPMasterDirective");
4490 case CXCursor_OMPCriticalDirective:
4491 return cxstring::createRef("OMPCriticalDirective");
4492 case CXCursor_OMPParallelForDirective:
4493 return cxstring::createRef("OMPParallelForDirective");
4494 case CXCursor_OMPParallelForSimdDirective:
4495 return cxstring::createRef("OMPParallelForSimdDirective");
4496 case CXCursor_OMPParallelSectionsDirective:
4497 return cxstring::createRef("OMPParallelSectionsDirective");
4498 case CXCursor_OMPTaskDirective:
4499 return cxstring::createRef("OMPTaskDirective");
4500 case CXCursor_OMPTaskyieldDirective:
4501 return cxstring::createRef("OMPTaskyieldDirective");
4502 case CXCursor_OMPBarrierDirective:
4503 return cxstring::createRef("OMPBarrierDirective");
4504 case CXCursor_OMPTaskwaitDirective:
4505 return cxstring::createRef("OMPTaskwaitDirective");
4506 case CXCursor_OMPTaskgroupDirective:
4507 return cxstring::createRef("OMPTaskgroupDirective");
4508 case CXCursor_OMPFlushDirective:
4509 return cxstring::createRef("OMPFlushDirective");
4510 case CXCursor_OMPOrderedDirective:
4511 return cxstring::createRef("OMPOrderedDirective");
4512 case CXCursor_OMPAtomicDirective:
4513 return cxstring::createRef("OMPAtomicDirective");
4514 case CXCursor_OMPTargetDirective:
4515 return cxstring::createRef("OMPTargetDirective");
4516 case CXCursor_OMPTargetDataDirective:
4517 return cxstring::createRef("OMPTargetDataDirective");
4518 case CXCursor_OMPTeamsDirective:
4519 return cxstring::createRef("OMPTeamsDirective");
4520 case CXCursor_OMPCancellationPointDirective:
4521 return cxstring::createRef("OMPCancellationPointDirective");
4522 case CXCursor_OMPCancelDirective:
4523 return cxstring::createRef("OMPCancelDirective");
4524 case CXCursor_OMPTaskLoopDirective:
4525 return cxstring::createRef("OMPTaskLoopDirective");
4526 case CXCursor_OMPTaskLoopSimdDirective:
4527 return cxstring::createRef("OMPTaskLoopSimdDirective");
4528 case CXCursor_OMPDistributeDirective:
4529 return cxstring::createRef("OMPDistributeDirective");
4530 case CXCursor_OverloadCandidate:
4531 return cxstring::createRef("OverloadCandidate");
4532 case CXCursor_TypeAliasTemplateDecl:
4533 return cxstring::createRef("TypeAliasTemplateDecl");
4536 llvm_unreachable("Unhandled CXCursorKind");
4539 struct GetCursorData {
4540 SourceLocation TokenBeginLoc;
4541 bool PointsAtMacroArgExpansion;
4542 bool VisitedObjCPropertyImplDecl;
4543 SourceLocation VisitedDeclaratorDeclStartLoc;
4544 CXCursor &BestCursor;
4546 GetCursorData(SourceManager &SM,
4547 SourceLocation tokenBegin, CXCursor &outputCursor)
4548 : TokenBeginLoc(tokenBegin), BestCursor(outputCursor) {
4549 PointsAtMacroArgExpansion = SM.isMacroArgExpansion(tokenBegin);
4550 VisitedObjCPropertyImplDecl = false;
4554 static enum CXChildVisitResult GetCursorVisitor(CXCursor cursor,
4556 CXClientData client_data) {
4557 GetCursorData *Data = static_cast<GetCursorData *>(client_data);
4558 CXCursor *BestCursor = &Data->BestCursor;
4560 // If we point inside a macro argument we should provide info of what the
4561 // token is so use the actual cursor, don't replace it with a macro expansion
4563 if (cursor.kind == CXCursor_MacroExpansion && Data->PointsAtMacroArgExpansion)
4564 return CXChildVisit_Recurse;
4566 if (clang_isDeclaration(cursor.kind)) {
4567 // Avoid having the implicit methods override the property decls.
4568 if (const ObjCMethodDecl *MD
4569 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
4570 if (MD->isImplicit())
4571 return CXChildVisit_Break;
4573 } else if (const ObjCInterfaceDecl *ID
4574 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(cursor))) {
4575 // Check that when we have multiple @class references in the same line,
4576 // that later ones do not override the previous ones.
4579 // source ranges for both start at '@', so 'Bar' will end up overriding
4580 // 'Foo' even though the cursor location was at 'Foo'.
4581 if (BestCursor->kind == CXCursor_ObjCInterfaceDecl ||
4582 BestCursor->kind == CXCursor_ObjCClassRef)
4583 if (const ObjCInterfaceDecl *PrevID
4584 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(*BestCursor))){
4586 !PrevID->isThisDeclarationADefinition() &&
4587 !ID->isThisDeclarationADefinition())
4588 return CXChildVisit_Break;
4591 } else if (const DeclaratorDecl *DD
4592 = dyn_cast_or_null<DeclaratorDecl>(getCursorDecl(cursor))) {
4593 SourceLocation StartLoc = DD->getSourceRange().getBegin();
4594 // Check that when we have multiple declarators in the same line,
4595 // that later ones do not override the previous ones.
4598 // source ranges for both start at 'int', so 'Bar' will end up overriding
4599 // 'Foo' even though the cursor location was at 'Foo'.
4600 if (Data->VisitedDeclaratorDeclStartLoc == StartLoc)
4601 return CXChildVisit_Break;
4602 Data->VisitedDeclaratorDeclStartLoc = StartLoc;
4604 } else if (const ObjCPropertyImplDecl *PropImp
4605 = dyn_cast_or_null<ObjCPropertyImplDecl>(getCursorDecl(cursor))) {
4607 // Check that when we have multiple @synthesize in the same line,
4608 // that later ones do not override the previous ones.
4610 // @synthesize Foo, Bar;
4611 // source ranges for both start at '@', so 'Bar' will end up overriding
4612 // 'Foo' even though the cursor location was at 'Foo'.
4613 if (Data->VisitedObjCPropertyImplDecl)
4614 return CXChildVisit_Break;
4615 Data->VisitedObjCPropertyImplDecl = true;
4619 if (clang_isExpression(cursor.kind) &&
4620 clang_isDeclaration(BestCursor->kind)) {
4621 if (const Decl *D = getCursorDecl(*BestCursor)) {
4622 // Avoid having the cursor of an expression replace the declaration cursor
4623 // when the expression source range overlaps the declaration range.
4624 // This can happen for C++ constructor expressions whose range generally
4625 // include the variable declaration, e.g.:
4626 // MyCXXClass foo; // Make sure pointing at 'foo' returns a VarDecl cursor.
4627 if (D->getLocation().isValid() && Data->TokenBeginLoc.isValid() &&
4628 D->getLocation() == Data->TokenBeginLoc)
4629 return CXChildVisit_Break;
4633 // If our current best cursor is the construction of a temporary object,
4634 // don't replace that cursor with a type reference, because we want
4635 // clang_getCursor() to point at the constructor.
4636 if (clang_isExpression(BestCursor->kind) &&
4637 isa<CXXTemporaryObjectExpr>(getCursorExpr(*BestCursor)) &&
4638 cursor.kind == CXCursor_TypeRef) {
4639 // Keep the cursor pointing at CXXTemporaryObjectExpr but also mark it
4640 // as having the actual point on the type reference.
4641 *BestCursor = getTypeRefedCallExprCursor(*BestCursor);
4642 return CXChildVisit_Recurse;
4645 // If we already have an Objective-C superclass reference, don't
4646 // update it further.
4647 if (BestCursor->kind == CXCursor_ObjCSuperClassRef)
4648 return CXChildVisit_Break;
4650 *BestCursor = cursor;
4651 return CXChildVisit_Recurse;
4654 CXCursor clang_getCursor(CXTranslationUnit TU, CXSourceLocation Loc) {
4655 if (isNotUsableTU(TU)) {
4657 return clang_getNullCursor();
4660 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4661 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
4663 SourceLocation SLoc = cxloc::translateSourceLocation(Loc);
4664 CXCursor Result = cxcursor::getCursor(TU, SLoc);
4668 unsigned SearchLine, SearchColumn;
4670 unsigned ResultLine, ResultColumn;
4671 CXString SearchFileName, ResultFileName, KindSpelling, USR;
4672 const char *IsDef = clang_isCursorDefinition(Result)? " (Definition)" : "";
4673 CXSourceLocation ResultLoc = clang_getCursorLocation(Result);
4675 clang_getFileLocation(Loc, &SearchFile, &SearchLine, &SearchColumn,
4677 clang_getFileLocation(ResultLoc, &ResultFile, &ResultLine,
4678 &ResultColumn, nullptr);
4679 SearchFileName = clang_getFileName(SearchFile);
4680 ResultFileName = clang_getFileName(ResultFile);
4681 KindSpelling = clang_getCursorKindSpelling(Result.kind);
4682 USR = clang_getCursorUSR(Result);
4683 *Log << llvm::format("(%s:%d:%d) = %s",
4684 clang_getCString(SearchFileName), SearchLine, SearchColumn,
4685 clang_getCString(KindSpelling))
4686 << llvm::format("(%s:%d:%d):%s%s",
4687 clang_getCString(ResultFileName), ResultLine, ResultColumn,
4688 clang_getCString(USR), IsDef);
4689 clang_disposeString(SearchFileName);
4690 clang_disposeString(ResultFileName);
4691 clang_disposeString(KindSpelling);
4692 clang_disposeString(USR);
4694 CXCursor Definition = clang_getCursorDefinition(Result);
4695 if (!clang_equalCursors(Definition, clang_getNullCursor())) {
4696 CXSourceLocation DefinitionLoc = clang_getCursorLocation(Definition);
4697 CXString DefinitionKindSpelling
4698 = clang_getCursorKindSpelling(Definition.kind);
4699 CXFile DefinitionFile;
4700 unsigned DefinitionLine, DefinitionColumn;
4701 clang_getFileLocation(DefinitionLoc, &DefinitionFile,
4702 &DefinitionLine, &DefinitionColumn, nullptr);
4703 CXString DefinitionFileName = clang_getFileName(DefinitionFile);
4704 *Log << llvm::format(" -> %s(%s:%d:%d)",
4705 clang_getCString(DefinitionKindSpelling),
4706 clang_getCString(DefinitionFileName),
4707 DefinitionLine, DefinitionColumn);
4708 clang_disposeString(DefinitionFileName);
4709 clang_disposeString(DefinitionKindSpelling);
4716 CXCursor clang_getNullCursor(void) {
4717 return MakeCXCursorInvalid(CXCursor_InvalidFile);
4720 unsigned clang_equalCursors(CXCursor X, CXCursor Y) {
4721 // Clear out the "FirstInDeclGroup" part in a declaration cursor, since we
4722 // can't set consistently. For example, when visiting a DeclStmt we will set
4723 // it but we don't set it on the result of clang_getCursorDefinition for
4724 // a reference of the same declaration.
4725 // FIXME: Setting "FirstInDeclGroup" in CXCursors is a hack that only works
4726 // when visiting a DeclStmt currently, the AST should be enhanced to be able
4727 // to provide that kind of info.
4728 if (clang_isDeclaration(X.kind))
4729 X.data[1] = nullptr;
4730 if (clang_isDeclaration(Y.kind))
4731 Y.data[1] = nullptr;
4736 unsigned clang_hashCursor(CXCursor C) {
4738 if (clang_isExpression(C.kind) || clang_isStatement(C.kind))
4741 return llvm::DenseMapInfo<std::pair<unsigned, const void*> >::getHashValue(
4742 std::make_pair(C.kind, C.data[Index]));
4745 unsigned clang_isInvalid(enum CXCursorKind K) {
4746 return K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid;
4749 unsigned clang_isDeclaration(enum CXCursorKind K) {
4750 return (K >= CXCursor_FirstDecl && K <= CXCursor_LastDecl) ||
4751 (K >= CXCursor_FirstExtraDecl && K <= CXCursor_LastExtraDecl);
4754 unsigned clang_isReference(enum CXCursorKind K) {
4755 return K >= CXCursor_FirstRef && K <= CXCursor_LastRef;
4758 unsigned clang_isExpression(enum CXCursorKind K) {
4759 return K >= CXCursor_FirstExpr && K <= CXCursor_LastExpr;
4762 unsigned clang_isStatement(enum CXCursorKind K) {
4763 return K >= CXCursor_FirstStmt && K <= CXCursor_LastStmt;
4766 unsigned clang_isAttribute(enum CXCursorKind K) {
4767 return K >= CXCursor_FirstAttr && K <= CXCursor_LastAttr;
4770 unsigned clang_isTranslationUnit(enum CXCursorKind K) {
4771 return K == CXCursor_TranslationUnit;
4774 unsigned clang_isPreprocessing(enum CXCursorKind K) {
4775 return K >= CXCursor_FirstPreprocessing && K <= CXCursor_LastPreprocessing;
4778 unsigned clang_isUnexposed(enum CXCursorKind K) {
4780 case CXCursor_UnexposedDecl:
4781 case CXCursor_UnexposedExpr:
4782 case CXCursor_UnexposedStmt:
4783 case CXCursor_UnexposedAttr:
4790 CXCursorKind clang_getCursorKind(CXCursor C) {
4794 CXSourceLocation clang_getCursorLocation(CXCursor C) {
4795 if (clang_isReference(C.kind)) {
4797 case CXCursor_ObjCSuperClassRef: {
4798 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
4799 = getCursorObjCSuperClassRef(C);
4800 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4803 case CXCursor_ObjCProtocolRef: {
4804 std::pair<const ObjCProtocolDecl *, SourceLocation> P
4805 = getCursorObjCProtocolRef(C);
4806 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4809 case CXCursor_ObjCClassRef: {
4810 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
4811 = getCursorObjCClassRef(C);
4812 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4815 case CXCursor_TypeRef: {
4816 std::pair<const TypeDecl *, SourceLocation> P = getCursorTypeRef(C);
4817 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4820 case CXCursor_TemplateRef: {
4821 std::pair<const TemplateDecl *, SourceLocation> P =
4822 getCursorTemplateRef(C);
4823 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4826 case CXCursor_NamespaceRef: {
4827 std::pair<const NamedDecl *, SourceLocation> P = getCursorNamespaceRef(C);
4828 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4831 case CXCursor_MemberRef: {
4832 std::pair<const FieldDecl *, SourceLocation> P = getCursorMemberRef(C);
4833 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4836 case CXCursor_VariableRef: {
4837 std::pair<const VarDecl *, SourceLocation> P = getCursorVariableRef(C);
4838 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4841 case CXCursor_CXXBaseSpecifier: {
4842 const CXXBaseSpecifier *BaseSpec = getCursorCXXBaseSpecifier(C);
4844 return clang_getNullLocation();
4846 if (TypeSourceInfo *TSInfo = BaseSpec->getTypeSourceInfo())
4847 return cxloc::translateSourceLocation(getCursorContext(C),
4848 TSInfo->getTypeLoc().getBeginLoc());
4850 return cxloc::translateSourceLocation(getCursorContext(C),
4851 BaseSpec->getLocStart());
4854 case CXCursor_LabelRef: {
4855 std::pair<const LabelStmt *, SourceLocation> P = getCursorLabelRef(C);
4856 return cxloc::translateSourceLocation(getCursorContext(C), P.second);
4859 case CXCursor_OverloadedDeclRef:
4860 return cxloc::translateSourceLocation(getCursorContext(C),
4861 getCursorOverloadedDeclRef(C).second);
4864 // FIXME: Need a way to enumerate all non-reference cases.
4865 llvm_unreachable("Missed a reference kind");
4869 if (clang_isExpression(C.kind))
4870 return cxloc::translateSourceLocation(getCursorContext(C),
4871 getLocationFromExpr(getCursorExpr(C)));
4873 if (clang_isStatement(C.kind))
4874 return cxloc::translateSourceLocation(getCursorContext(C),
4875 getCursorStmt(C)->getLocStart());
4877 if (C.kind == CXCursor_PreprocessingDirective) {
4878 SourceLocation L = cxcursor::getCursorPreprocessingDirective(C).getBegin();
4879 return cxloc::translateSourceLocation(getCursorContext(C), L);
4882 if (C.kind == CXCursor_MacroExpansion) {
4884 = cxcursor::getCursorMacroExpansion(C).getSourceRange().getBegin();
4885 return cxloc::translateSourceLocation(getCursorContext(C), L);
4888 if (C.kind == CXCursor_MacroDefinition) {
4889 SourceLocation L = cxcursor::getCursorMacroDefinition(C)->getLocation();
4890 return cxloc::translateSourceLocation(getCursorContext(C), L);
4893 if (C.kind == CXCursor_InclusionDirective) {
4895 = cxcursor::getCursorInclusionDirective(C)->getSourceRange().getBegin();
4896 return cxloc::translateSourceLocation(getCursorContext(C), L);
4899 if (clang_isAttribute(C.kind)) {
4901 = cxcursor::getCursorAttr(C)->getLocation();
4902 return cxloc::translateSourceLocation(getCursorContext(C), L);
4905 if (!clang_isDeclaration(C.kind))
4906 return clang_getNullLocation();
4908 const Decl *D = getCursorDecl(C);
4910 return clang_getNullLocation();
4912 SourceLocation Loc = D->getLocation();
4913 // FIXME: Multiple variables declared in a single declaration
4914 // currently lack the information needed to correctly determine their
4915 // ranges when accounting for the type-specifier. We use context
4916 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
4917 // and if so, whether it is the first decl.
4918 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
4919 if (!cxcursor::isFirstInDeclGroup(C))
4920 Loc = VD->getLocation();
4923 // For ObjC methods, give the start location of the method name.
4924 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
4925 Loc = MD->getSelectorStartLoc();
4927 return cxloc::translateSourceLocation(getCursorContext(C), Loc);
4932 CXCursor cxcursor::getCursor(CXTranslationUnit TU, SourceLocation SLoc) {
4935 // Guard against an invalid SourceLocation, or we may assert in one
4936 // of the following calls.
4937 if (SLoc.isInvalid())
4938 return clang_getNullCursor();
4940 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4942 // Translate the given source location to make it point at the beginning of
4943 // the token under the cursor.
4944 SLoc = Lexer::GetBeginningOfToken(SLoc, CXXUnit->getSourceManager(),
4945 CXXUnit->getASTContext().getLangOpts());
4947 CXCursor Result = MakeCXCursorInvalid(CXCursor_NoDeclFound);
4948 if (SLoc.isValid()) {
4949 GetCursorData ResultData(CXXUnit->getSourceManager(), SLoc, Result);
4950 CursorVisitor CursorVis(TU, GetCursorVisitor, &ResultData,
4951 /*VisitPreprocessorLast=*/true,
4952 /*VisitIncludedEntities=*/false,
4953 SourceLocation(SLoc));
4954 CursorVis.visitFileRegion();
4960 static SourceRange getRawCursorExtent(CXCursor C) {
4961 if (clang_isReference(C.kind)) {
4963 case CXCursor_ObjCSuperClassRef:
4964 return getCursorObjCSuperClassRef(C).second;
4966 case CXCursor_ObjCProtocolRef:
4967 return getCursorObjCProtocolRef(C).second;
4969 case CXCursor_ObjCClassRef:
4970 return getCursorObjCClassRef(C).second;
4972 case CXCursor_TypeRef:
4973 return getCursorTypeRef(C).second;
4975 case CXCursor_TemplateRef:
4976 return getCursorTemplateRef(C).second;
4978 case CXCursor_NamespaceRef:
4979 return getCursorNamespaceRef(C).second;
4981 case CXCursor_MemberRef:
4982 return getCursorMemberRef(C).second;
4984 case CXCursor_CXXBaseSpecifier:
4985 return getCursorCXXBaseSpecifier(C)->getSourceRange();
4987 case CXCursor_LabelRef:
4988 return getCursorLabelRef(C).second;
4990 case CXCursor_OverloadedDeclRef:
4991 return getCursorOverloadedDeclRef(C).second;
4993 case CXCursor_VariableRef:
4994 return getCursorVariableRef(C).second;
4997 // FIXME: Need a way to enumerate all non-reference cases.
4998 llvm_unreachable("Missed a reference kind");
5002 if (clang_isExpression(C.kind))
5003 return getCursorExpr(C)->getSourceRange();
5005 if (clang_isStatement(C.kind))
5006 return getCursorStmt(C)->getSourceRange();
5008 if (clang_isAttribute(C.kind))
5009 return getCursorAttr(C)->getRange();
5011 if (C.kind == CXCursor_PreprocessingDirective)
5012 return cxcursor::getCursorPreprocessingDirective(C);
5014 if (C.kind == CXCursor_MacroExpansion) {
5015 ASTUnit *TU = getCursorASTUnit(C);
5016 SourceRange Range = cxcursor::getCursorMacroExpansion(C).getSourceRange();
5017 return TU->mapRangeFromPreamble(Range);
5020 if (C.kind == CXCursor_MacroDefinition) {
5021 ASTUnit *TU = getCursorASTUnit(C);
5022 SourceRange Range = cxcursor::getCursorMacroDefinition(C)->getSourceRange();
5023 return TU->mapRangeFromPreamble(Range);
5026 if (C.kind == CXCursor_InclusionDirective) {
5027 ASTUnit *TU = getCursorASTUnit(C);
5028 SourceRange Range = cxcursor::getCursorInclusionDirective(C)->getSourceRange();
5029 return TU->mapRangeFromPreamble(Range);
5032 if (C.kind == CXCursor_TranslationUnit) {
5033 ASTUnit *TU = getCursorASTUnit(C);
5034 FileID MainID = TU->getSourceManager().getMainFileID();
5035 SourceLocation Start = TU->getSourceManager().getLocForStartOfFile(MainID);
5036 SourceLocation End = TU->getSourceManager().getLocForEndOfFile(MainID);
5037 return SourceRange(Start, End);
5040 if (clang_isDeclaration(C.kind)) {
5041 const Decl *D = cxcursor::getCursorDecl(C);
5043 return SourceRange();
5045 SourceRange R = D->getSourceRange();
5046 // FIXME: Multiple variables declared in a single declaration
5047 // currently lack the information needed to correctly determine their
5048 // ranges when accounting for the type-specifier. We use context
5049 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5050 // and if so, whether it is the first decl.
5051 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5052 if (!cxcursor::isFirstInDeclGroup(C))
5053 R.setBegin(VD->getLocation());
5057 return SourceRange();
5060 /// \brief Retrieves the "raw" cursor extent, which is then extended to include
5061 /// the decl-specifier-seq for declarations.
5062 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr) {
5063 if (clang_isDeclaration(C.kind)) {
5064 const Decl *D = cxcursor::getCursorDecl(C);
5066 return SourceRange();
5068 SourceRange R = D->getSourceRange();
5070 // Adjust the start of the location for declarations preceded by
5071 // declaration specifiers.
5072 SourceLocation StartLoc;
5073 if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
5074 if (TypeSourceInfo *TI = DD->getTypeSourceInfo())
5075 StartLoc = TI->getTypeLoc().getLocStart();
5076 } else if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(D)) {
5077 if (TypeSourceInfo *TI = Typedef->getTypeSourceInfo())
5078 StartLoc = TI->getTypeLoc().getLocStart();
5081 if (StartLoc.isValid() && R.getBegin().isValid() &&
5082 SrcMgr.isBeforeInTranslationUnit(StartLoc, R.getBegin()))
5083 R.setBegin(StartLoc);
5085 // FIXME: Multiple variables declared in a single declaration
5086 // currently lack the information needed to correctly determine their
5087 // ranges when accounting for the type-specifier. We use context
5088 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5089 // and if so, whether it is the first decl.
5090 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5091 if (!cxcursor::isFirstInDeclGroup(C))
5092 R.setBegin(VD->getLocation());
5098 return getRawCursorExtent(C);
5103 CXSourceRange clang_getCursorExtent(CXCursor C) {
5104 SourceRange R = getRawCursorExtent(C);
5106 return clang_getNullRange();
5108 return cxloc::translateSourceRange(getCursorContext(C), R);
5111 CXCursor clang_getCursorReferenced(CXCursor C) {
5112 if (clang_isInvalid(C.kind))
5113 return clang_getNullCursor();
5115 CXTranslationUnit tu = getCursorTU(C);
5116 if (clang_isDeclaration(C.kind)) {
5117 const Decl *D = getCursorDecl(C);
5119 return clang_getNullCursor();
5120 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5121 return MakeCursorOverloadedDeclRef(Using, D->getLocation(), tu);
5122 if (const ObjCPropertyImplDecl *PropImpl =
5123 dyn_cast<ObjCPropertyImplDecl>(D))
5124 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
5125 return MakeCXCursor(Property, tu);
5130 if (clang_isExpression(C.kind)) {
5131 const Expr *E = getCursorExpr(C);
5132 const Decl *D = getDeclFromExpr(E);
5134 CXCursor declCursor = MakeCXCursor(D, tu);
5135 declCursor = getSelectorIdentifierCursor(getSelectorIdentifierIndex(C),
5140 if (const OverloadExpr *Ovl = dyn_cast_or_null<OverloadExpr>(E))
5141 return MakeCursorOverloadedDeclRef(Ovl, tu);
5143 return clang_getNullCursor();
5146 if (clang_isStatement(C.kind)) {
5147 const Stmt *S = getCursorStmt(C);
5148 if (const GotoStmt *Goto = dyn_cast_or_null<GotoStmt>(S))
5149 if (LabelDecl *label = Goto->getLabel())
5150 if (LabelStmt *labelS = label->getStmt())
5151 return MakeCXCursor(labelS, getCursorDecl(C), tu);
5153 return clang_getNullCursor();
5156 if (C.kind == CXCursor_MacroExpansion) {
5157 if (const MacroDefinitionRecord *Def =
5158 getCursorMacroExpansion(C).getDefinition())
5159 return MakeMacroDefinitionCursor(Def, tu);
5162 if (!clang_isReference(C.kind))
5163 return clang_getNullCursor();
5166 case CXCursor_ObjCSuperClassRef:
5167 return MakeCXCursor(getCursorObjCSuperClassRef(C).first, tu);
5169 case CXCursor_ObjCProtocolRef: {
5170 const ObjCProtocolDecl *Prot = getCursorObjCProtocolRef(C).first;
5171 if (const ObjCProtocolDecl *Def = Prot->getDefinition())
5172 return MakeCXCursor(Def, tu);
5174 return MakeCXCursor(Prot, tu);
5177 case CXCursor_ObjCClassRef: {
5178 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
5179 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5180 return MakeCXCursor(Def, tu);
5182 return MakeCXCursor(Class, tu);
5185 case CXCursor_TypeRef:
5186 return MakeCXCursor(getCursorTypeRef(C).first, tu );
5188 case CXCursor_TemplateRef:
5189 return MakeCXCursor(getCursorTemplateRef(C).first, tu );
5191 case CXCursor_NamespaceRef:
5192 return MakeCXCursor(getCursorNamespaceRef(C).first, tu );
5194 case CXCursor_MemberRef:
5195 return MakeCXCursor(getCursorMemberRef(C).first, tu );
5197 case CXCursor_CXXBaseSpecifier: {
5198 const CXXBaseSpecifier *B = cxcursor::getCursorCXXBaseSpecifier(C);
5199 return clang_getTypeDeclaration(cxtype::MakeCXType(B->getType(),
5203 case CXCursor_LabelRef:
5204 // FIXME: We end up faking the "parent" declaration here because we
5205 // don't want to make CXCursor larger.
5206 return MakeCXCursor(getCursorLabelRef(C).first,
5207 cxtu::getASTUnit(tu)->getASTContext()
5208 .getTranslationUnitDecl(),
5211 case CXCursor_OverloadedDeclRef:
5214 case CXCursor_VariableRef:
5215 return MakeCXCursor(getCursorVariableRef(C).first, tu);
5218 // We would prefer to enumerate all non-reference cursor kinds here.
5219 llvm_unreachable("Unhandled reference cursor kind");
5223 CXCursor clang_getCursorDefinition(CXCursor C) {
5224 if (clang_isInvalid(C.kind))
5225 return clang_getNullCursor();
5227 CXTranslationUnit TU = getCursorTU(C);
5229 bool WasReference = false;
5230 if (clang_isReference(C.kind) || clang_isExpression(C.kind)) {
5231 C = clang_getCursorReferenced(C);
5232 WasReference = true;
5235 if (C.kind == CXCursor_MacroExpansion)
5236 return clang_getCursorReferenced(C);
5238 if (!clang_isDeclaration(C.kind))
5239 return clang_getNullCursor();
5241 const Decl *D = getCursorDecl(C);
5243 return clang_getNullCursor();
5245 switch (D->getKind()) {
5246 // Declaration kinds that don't really separate the notions of
5247 // declaration and definition.
5248 case Decl::Namespace:
5250 case Decl::TypeAlias:
5251 case Decl::TypeAliasTemplate:
5252 case Decl::TemplateTypeParm:
5253 case Decl::EnumConstant:
5255 case Decl::MSProperty:
5256 case Decl::IndirectField:
5257 case Decl::ObjCIvar:
5258 case Decl::ObjCAtDefsField:
5259 case Decl::ImplicitParam:
5261 case Decl::NonTypeTemplateParm:
5262 case Decl::TemplateTemplateParm:
5263 case Decl::ObjCCategoryImpl:
5264 case Decl::ObjCImplementation:
5265 case Decl::AccessSpec:
5266 case Decl::LinkageSpec:
5267 case Decl::ObjCPropertyImpl:
5268 case Decl::FileScopeAsm:
5269 case Decl::StaticAssert:
5271 case Decl::Captured:
5272 case Decl::Label: // FIXME: Is this right??
5273 case Decl::ClassScopeFunctionSpecialization:
5275 case Decl::OMPThreadPrivate:
5276 case Decl::ObjCTypeParam:
5277 case Decl::BuiltinTemplate:
5280 // Declaration kinds that don't make any sense here, but are
5281 // nonetheless harmless.
5283 case Decl::TranslationUnit:
5284 case Decl::ExternCContext:
5287 // Declaration kinds for which the definition is not resolvable.
5288 case Decl::UnresolvedUsingTypename:
5289 case Decl::UnresolvedUsingValue:
5292 case Decl::UsingDirective:
5293 return MakeCXCursor(cast<UsingDirectiveDecl>(D)->getNominatedNamespace(),
5296 case Decl::NamespaceAlias:
5297 return MakeCXCursor(cast<NamespaceAliasDecl>(D)->getNamespace(), TU);
5301 case Decl::CXXRecord:
5302 case Decl::ClassTemplateSpecialization:
5303 case Decl::ClassTemplatePartialSpecialization:
5304 if (TagDecl *Def = cast<TagDecl>(D)->getDefinition())
5305 return MakeCXCursor(Def, TU);
5306 return clang_getNullCursor();
5308 case Decl::Function:
5309 case Decl::CXXMethod:
5310 case Decl::CXXConstructor:
5311 case Decl::CXXDestructor:
5312 case Decl::CXXConversion: {
5313 const FunctionDecl *Def = nullptr;
5314 if (cast<FunctionDecl>(D)->getBody(Def))
5315 return MakeCXCursor(Def, TU);
5316 return clang_getNullCursor();
5320 case Decl::VarTemplateSpecialization:
5321 case Decl::VarTemplatePartialSpecialization: {
5322 // Ask the variable if it has a definition.
5323 if (const VarDecl *Def = cast<VarDecl>(D)->getDefinition())
5324 return MakeCXCursor(Def, TU);
5325 return clang_getNullCursor();
5328 case Decl::FunctionTemplate: {
5329 const FunctionDecl *Def = nullptr;
5330 if (cast<FunctionTemplateDecl>(D)->getTemplatedDecl()->getBody(Def))
5331 return MakeCXCursor(Def->getDescribedFunctionTemplate(), TU);
5332 return clang_getNullCursor();
5335 case Decl::ClassTemplate: {
5336 if (RecordDecl *Def = cast<ClassTemplateDecl>(D)->getTemplatedDecl()
5338 return MakeCXCursor(cast<CXXRecordDecl>(Def)->getDescribedClassTemplate(),
5340 return clang_getNullCursor();
5343 case Decl::VarTemplate: {
5345 cast<VarTemplateDecl>(D)->getTemplatedDecl()->getDefinition())
5346 return MakeCXCursor(cast<VarDecl>(Def)->getDescribedVarTemplate(), TU);
5347 return clang_getNullCursor();
5351 return MakeCursorOverloadedDeclRef(cast<UsingDecl>(D),
5352 D->getLocation(), TU);
5354 case Decl::UsingShadow:
5355 return clang_getCursorDefinition(
5356 MakeCXCursor(cast<UsingShadowDecl>(D)->getTargetDecl(),
5359 case Decl::ObjCMethod: {
5360 const ObjCMethodDecl *Method = cast<ObjCMethodDecl>(D);
5361 if (Method->isThisDeclarationADefinition())
5364 // Dig out the method definition in the associated
5365 // @implementation, if we have it.
5366 // FIXME: The ASTs should make finding the definition easier.
5367 if (const ObjCInterfaceDecl *Class
5368 = dyn_cast<ObjCInterfaceDecl>(Method->getDeclContext()))
5369 if (ObjCImplementationDecl *ClassImpl = Class->getImplementation())
5370 if (ObjCMethodDecl *Def = ClassImpl->getMethod(Method->getSelector(),
5371 Method->isInstanceMethod()))
5372 if (Def->isThisDeclarationADefinition())
5373 return MakeCXCursor(Def, TU);
5375 return clang_getNullCursor();
5378 case Decl::ObjCCategory:
5379 if (ObjCCategoryImplDecl *Impl
5380 = cast<ObjCCategoryDecl>(D)->getImplementation())
5381 return MakeCXCursor(Impl, TU);
5382 return clang_getNullCursor();
5384 case Decl::ObjCProtocol:
5385 if (const ObjCProtocolDecl *Def = cast<ObjCProtocolDecl>(D)->getDefinition())
5386 return MakeCXCursor(Def, TU);
5387 return clang_getNullCursor();
5389 case Decl::ObjCInterface: {
5390 // There are two notions of a "definition" for an Objective-C
5391 // class: the interface and its implementation. When we resolved a
5392 // reference to an Objective-C class, produce the @interface as
5393 // the definition; when we were provided with the interface,
5394 // produce the @implementation as the definition.
5395 const ObjCInterfaceDecl *IFace = cast<ObjCInterfaceDecl>(D);
5397 if (const ObjCInterfaceDecl *Def = IFace->getDefinition())
5398 return MakeCXCursor(Def, TU);
5399 } else if (ObjCImplementationDecl *Impl = IFace->getImplementation())
5400 return MakeCXCursor(Impl, TU);
5401 return clang_getNullCursor();
5404 case Decl::ObjCProperty:
5405 // FIXME: We don't really know where to find the
5406 // ObjCPropertyImplDecls that implement this property.
5407 return clang_getNullCursor();
5409 case Decl::ObjCCompatibleAlias:
5410 if (const ObjCInterfaceDecl *Class
5411 = cast<ObjCCompatibleAliasDecl>(D)->getClassInterface())
5412 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5413 return MakeCXCursor(Def, TU);
5415 return clang_getNullCursor();
5418 if (NamedDecl *Friend = cast<FriendDecl>(D)->getFriendDecl())
5419 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5420 return clang_getNullCursor();
5422 case Decl::FriendTemplate:
5423 if (NamedDecl *Friend = cast<FriendTemplateDecl>(D)->getFriendDecl())
5424 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5425 return clang_getNullCursor();
5428 return clang_getNullCursor();
5431 unsigned clang_isCursorDefinition(CXCursor C) {
5432 if (!clang_isDeclaration(C.kind))
5435 return clang_getCursorDefinition(C) == C;
5438 CXCursor clang_getCanonicalCursor(CXCursor C) {
5439 if (!clang_isDeclaration(C.kind))
5442 if (const Decl *D = getCursorDecl(C)) {
5443 if (const ObjCCategoryImplDecl *CatImplD = dyn_cast<ObjCCategoryImplDecl>(D))
5444 if (ObjCCategoryDecl *CatD = CatImplD->getCategoryDecl())
5445 return MakeCXCursor(CatD, getCursorTU(C));
5447 if (const ObjCImplDecl *ImplD = dyn_cast<ObjCImplDecl>(D))
5448 if (const ObjCInterfaceDecl *IFD = ImplD->getClassInterface())
5449 return MakeCXCursor(IFD, getCursorTU(C));
5451 return MakeCXCursor(D->getCanonicalDecl(), getCursorTU(C));
5457 int clang_Cursor_getObjCSelectorIndex(CXCursor cursor) {
5458 return cxcursor::getSelectorIdentifierIndexAndLoc(cursor).first;
5461 unsigned clang_getNumOverloadedDecls(CXCursor C) {
5462 if (C.kind != CXCursor_OverloadedDeclRef)
5465 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
5466 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5467 return E->getNumDecls();
5469 if (OverloadedTemplateStorage *S
5470 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5473 const Decl *D = Storage.get<const Decl *>();
5474 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5475 return Using->shadow_size();
5480 CXCursor clang_getOverloadedDecl(CXCursor cursor, unsigned index) {
5481 if (cursor.kind != CXCursor_OverloadedDeclRef)
5482 return clang_getNullCursor();
5484 if (index >= clang_getNumOverloadedDecls(cursor))
5485 return clang_getNullCursor();
5487 CXTranslationUnit TU = getCursorTU(cursor);
5488 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(cursor).first;
5489 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5490 return MakeCXCursor(E->decls_begin()[index], TU);
5492 if (OverloadedTemplateStorage *S
5493 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5494 return MakeCXCursor(S->begin()[index], TU);
5496 const Decl *D = Storage.get<const Decl *>();
5497 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D)) {
5498 // FIXME: This is, unfortunately, linear time.
5499 UsingDecl::shadow_iterator Pos = Using->shadow_begin();
5500 std::advance(Pos, index);
5501 return MakeCXCursor(cast<UsingShadowDecl>(*Pos)->getTargetDecl(), TU);
5504 return clang_getNullCursor();
5507 void clang_getDefinitionSpellingAndExtent(CXCursor C,
5508 const char **startBuf,
5509 const char **endBuf,
5510 unsigned *startLine,
5511 unsigned *startColumn,
5513 unsigned *endColumn) {
5514 assert(getCursorDecl(C) && "CXCursor has null decl");
5515 const FunctionDecl *FD = dyn_cast<FunctionDecl>(getCursorDecl(C));
5516 CompoundStmt *Body = dyn_cast<CompoundStmt>(FD->getBody());
5518 SourceManager &SM = FD->getASTContext().getSourceManager();
5519 *startBuf = SM.getCharacterData(Body->getLBracLoc());
5520 *endBuf = SM.getCharacterData(Body->getRBracLoc());
5521 *startLine = SM.getSpellingLineNumber(Body->getLBracLoc());
5522 *startColumn = SM.getSpellingColumnNumber(Body->getLBracLoc());
5523 *endLine = SM.getSpellingLineNumber(Body->getRBracLoc());
5524 *endColumn = SM.getSpellingColumnNumber(Body->getRBracLoc());
5528 CXSourceRange clang_getCursorReferenceNameRange(CXCursor C, unsigned NameFlags,
5529 unsigned PieceIndex) {
5530 RefNamePieces Pieces;
5533 case CXCursor_MemberRefExpr:
5534 if (const MemberExpr *E = dyn_cast<MemberExpr>(getCursorExpr(C)))
5535 Pieces = buildPieces(NameFlags, true, E->getMemberNameInfo(),
5536 E->getQualifierLoc().getSourceRange());
5539 case CXCursor_DeclRefExpr:
5540 if (const DeclRefExpr *E = dyn_cast<DeclRefExpr>(getCursorExpr(C))) {
5541 SourceRange TemplateArgLoc(E->getLAngleLoc(), E->getRAngleLoc());
5543 buildPieces(NameFlags, false, E->getNameInfo(),
5544 E->getQualifierLoc().getSourceRange(), &TemplateArgLoc);
5548 case CXCursor_CallExpr:
5549 if (const CXXOperatorCallExpr *OCE =
5550 dyn_cast<CXXOperatorCallExpr>(getCursorExpr(C))) {
5551 const Expr *Callee = OCE->getCallee();
5552 if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Callee))
5553 Callee = ICE->getSubExpr();
5555 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Callee))
5556 Pieces = buildPieces(NameFlags, false, DRE->getNameInfo(),
5557 DRE->getQualifierLoc().getSourceRange());
5565 if (Pieces.empty()) {
5566 if (PieceIndex == 0)
5567 return clang_getCursorExtent(C);
5568 } else if (PieceIndex < Pieces.size()) {
5569 SourceRange R = Pieces[PieceIndex];
5571 return cxloc::translateSourceRange(getCursorContext(C), R);
5574 return clang_getNullRange();
5577 void clang_enableStackTraces(void) {
5578 llvm::sys::PrintStackTraceOnErrorSignal();
5581 void clang_executeOnThread(void (*fn)(void*), void *user_data,
5582 unsigned stack_size) {
5583 llvm::llvm_execute_on_thread(fn, user_data, stack_size);
5586 } // end: extern "C"
5588 //===----------------------------------------------------------------------===//
5589 // Token-based Operations.
5590 //===----------------------------------------------------------------------===//
5593 * int_data[0]: a CXTokenKind
5594 * int_data[1]: starting token location
5595 * int_data[2]: token length
5596 * int_data[3]: reserved
5597 * ptr_data: for identifiers and keywords, an IdentifierInfo*.
5602 CXTokenKind clang_getTokenKind(CXToken CXTok) {
5603 return static_cast<CXTokenKind>(CXTok.int_data[0]);
5606 CXString clang_getTokenSpelling(CXTranslationUnit TU, CXToken CXTok) {
5607 switch (clang_getTokenKind(CXTok)) {
5608 case CXToken_Identifier:
5609 case CXToken_Keyword:
5610 // We know we have an IdentifierInfo*, so use that.
5611 return cxstring::createRef(static_cast<IdentifierInfo *>(CXTok.ptr_data)
5614 case CXToken_Literal: {
5615 // We have stashed the starting pointer in the ptr_data field. Use it.
5616 const char *Text = static_cast<const char *>(CXTok.ptr_data);
5617 return cxstring::createDup(StringRef(Text, CXTok.int_data[2]));
5620 case CXToken_Punctuation:
5621 case CXToken_Comment:
5625 if (isNotUsableTU(TU)) {
5627 return cxstring::createEmpty();
5630 // We have to find the starting buffer pointer the hard way, by
5631 // deconstructing the source location.
5632 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5634 return cxstring::createEmpty();
5636 SourceLocation Loc = SourceLocation::getFromRawEncoding(CXTok.int_data[1]);
5637 std::pair<FileID, unsigned> LocInfo
5638 = CXXUnit->getSourceManager().getDecomposedSpellingLoc(Loc);
5639 bool Invalid = false;
5641 = CXXUnit->getSourceManager().getBufferData(LocInfo.first, &Invalid);
5643 return cxstring::createEmpty();
5645 return cxstring::createDup(Buffer.substr(LocInfo.second, CXTok.int_data[2]));
5648 CXSourceLocation clang_getTokenLocation(CXTranslationUnit TU, CXToken CXTok) {
5649 if (isNotUsableTU(TU)) {
5651 return clang_getNullLocation();
5654 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5656 return clang_getNullLocation();
5658 return cxloc::translateSourceLocation(CXXUnit->getASTContext(),
5659 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5662 CXSourceRange clang_getTokenExtent(CXTranslationUnit TU, CXToken CXTok) {
5663 if (isNotUsableTU(TU)) {
5665 return clang_getNullRange();
5668 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5670 return clang_getNullRange();
5672 return cxloc::translateSourceRange(CXXUnit->getASTContext(),
5673 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5676 static void getTokens(ASTUnit *CXXUnit, SourceRange Range,
5677 SmallVectorImpl<CXToken> &CXTokens) {
5678 SourceManager &SourceMgr = CXXUnit->getSourceManager();
5679 std::pair<FileID, unsigned> BeginLocInfo
5680 = SourceMgr.getDecomposedSpellingLoc(Range.getBegin());
5681 std::pair<FileID, unsigned> EndLocInfo
5682 = SourceMgr.getDecomposedSpellingLoc(Range.getEnd());
5684 // Cannot tokenize across files.
5685 if (BeginLocInfo.first != EndLocInfo.first)
5689 bool Invalid = false;
5691 = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
5695 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
5696 CXXUnit->getASTContext().getLangOpts(),
5697 Buffer.begin(), Buffer.data() + BeginLocInfo.second, Buffer.end());
5698 Lex.SetCommentRetentionState(true);
5700 // Lex tokens until we hit the end of the range.
5701 const char *EffectiveBufferEnd = Buffer.data() + EndLocInfo.second;
5703 bool previousWasAt = false;
5705 // Lex the next token
5706 Lex.LexFromRawLexer(Tok);
5707 if (Tok.is(tok::eof))
5710 // Initialize the CXToken.
5714 CXTok.int_data[1] = Tok.getLocation().getRawEncoding();
5715 CXTok.int_data[2] = Tok.getLength();
5716 CXTok.int_data[3] = 0;
5718 // - Kind-specific fields
5719 if (Tok.isLiteral()) {
5720 CXTok.int_data[0] = CXToken_Literal;
5721 CXTok.ptr_data = const_cast<char *>(Tok.getLiteralData());
5722 } else if (Tok.is(tok::raw_identifier)) {
5723 // Lookup the identifier to determine whether we have a keyword.
5725 = CXXUnit->getPreprocessor().LookUpIdentifierInfo(Tok);
5727 if ((II->getObjCKeywordID() != tok::objc_not_keyword) && previousWasAt) {
5728 CXTok.int_data[0] = CXToken_Keyword;
5731 CXTok.int_data[0] = Tok.is(tok::identifier)
5732 ? CXToken_Identifier
5735 CXTok.ptr_data = II;
5736 } else if (Tok.is(tok::comment)) {
5737 CXTok.int_data[0] = CXToken_Comment;
5738 CXTok.ptr_data = nullptr;
5740 CXTok.int_data[0] = CXToken_Punctuation;
5741 CXTok.ptr_data = nullptr;
5743 CXTokens.push_back(CXTok);
5744 previousWasAt = Tok.is(tok::at);
5745 } while (Lex.getBufferLocation() <= EffectiveBufferEnd);
5748 void clang_tokenize(CXTranslationUnit TU, CXSourceRange Range,
5749 CXToken **Tokens, unsigned *NumTokens) {
5751 *Log << TU << ' ' << Range;
5759 if (isNotUsableTU(TU)) {
5764 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5765 if (!CXXUnit || !Tokens || !NumTokens)
5768 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
5770 SourceRange R = cxloc::translateCXSourceRange(Range);
5774 SmallVector<CXToken, 32> CXTokens;
5775 getTokens(CXXUnit, R, CXTokens);
5777 if (CXTokens.empty())
5780 *Tokens = (CXToken *)malloc(sizeof(CXToken) * CXTokens.size());
5781 memmove(*Tokens, CXTokens.data(), sizeof(CXToken) * CXTokens.size());
5782 *NumTokens = CXTokens.size();
5785 void clang_disposeTokens(CXTranslationUnit TU,
5786 CXToken *Tokens, unsigned NumTokens) {
5790 } // end: extern "C"
5792 //===----------------------------------------------------------------------===//
5793 // Token annotation APIs.
5794 //===----------------------------------------------------------------------===//
5796 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
5798 CXClientData client_data);
5799 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
5800 CXClientData client_data);
5803 class AnnotateTokensWorker {
5808 unsigned PreprocessingTokIdx;
5809 CursorVisitor AnnotateVis;
5810 SourceManager &SrcMgr;
5811 bool HasContextSensitiveKeywords;
5813 struct PostChildrenInfo {
5815 SourceRange CursorRange;
5816 unsigned BeforeReachingCursorIdx;
5817 unsigned BeforeChildrenTokenIdx;
5819 SmallVector<PostChildrenInfo, 8> PostChildrenInfos;
5821 CXToken &getTok(unsigned Idx) {
5822 assert(Idx < NumTokens);
5825 const CXToken &getTok(unsigned Idx) const {
5826 assert(Idx < NumTokens);
5829 bool MoreTokens() const { return TokIdx < NumTokens; }
5830 unsigned NextToken() const { return TokIdx; }
5831 void AdvanceToken() { ++TokIdx; }
5832 SourceLocation GetTokenLoc(unsigned tokI) {
5833 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
5835 bool isFunctionMacroToken(unsigned tokI) const {
5836 return getTok(tokI).int_data[3] != 0;
5838 SourceLocation getFunctionMacroTokenLoc(unsigned tokI) const {
5839 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[3]);
5842 void annotateAndAdvanceTokens(CXCursor, RangeComparisonResult, SourceRange);
5843 bool annotateAndAdvanceFunctionMacroTokens(CXCursor, RangeComparisonResult,
5847 AnnotateTokensWorker(CXToken *tokens, CXCursor *cursors, unsigned numTokens,
5848 CXTranslationUnit TU, SourceRange RegionOfInterest)
5849 : Tokens(tokens), Cursors(cursors),
5850 NumTokens(numTokens), TokIdx(0), PreprocessingTokIdx(0),
5852 AnnotateTokensVisitor, this,
5853 /*VisitPreprocessorLast=*/true,
5854 /*VisitIncludedEntities=*/false,
5856 /*VisitDeclsOnly=*/false,
5857 AnnotateTokensPostChildrenVisitor),
5858 SrcMgr(cxtu::getASTUnit(TU)->getSourceManager()),
5859 HasContextSensitiveKeywords(false) { }
5861 void VisitChildren(CXCursor C) { AnnotateVis.VisitChildren(C); }
5862 enum CXChildVisitResult Visit(CXCursor cursor, CXCursor parent);
5863 bool postVisitChildren(CXCursor cursor);
5864 void AnnotateTokens();
5866 /// \brief Determine whether the annotator saw any cursors that have
5867 /// context-sensitive keywords.
5868 bool hasContextSensitiveKeywords() const {
5869 return HasContextSensitiveKeywords;
5872 ~AnnotateTokensWorker() {
5873 assert(PostChildrenInfos.empty());
5878 void AnnotateTokensWorker::AnnotateTokens() {
5879 // Walk the AST within the region of interest, annotating tokens
5881 AnnotateVis.visitFileRegion();
5884 static inline void updateCursorAnnotation(CXCursor &Cursor,
5885 const CXCursor &updateC) {
5886 if (clang_isInvalid(updateC.kind) || !clang_isInvalid(Cursor.kind))
5891 /// \brief It annotates and advances tokens with a cursor until the comparison
5892 //// between the cursor location and the source range is the same as
5893 /// \arg compResult.
5895 /// Pass RangeBefore to annotate tokens with a cursor until a range is reached.
5896 /// Pass RangeOverlap to annotate tokens inside a range.
5897 void AnnotateTokensWorker::annotateAndAdvanceTokens(CXCursor updateC,
5898 RangeComparisonResult compResult,
5899 SourceRange range) {
5900 while (MoreTokens()) {
5901 const unsigned I = NextToken();
5902 if (isFunctionMacroToken(I))
5903 if (!annotateAndAdvanceFunctionMacroTokens(updateC, compResult, range))
5906 SourceLocation TokLoc = GetTokenLoc(I);
5907 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
5908 updateCursorAnnotation(Cursors[I], updateC);
5916 /// \brief Special annotation handling for macro argument tokens.
5917 /// \returns true if it advanced beyond all macro tokens, false otherwise.
5918 bool AnnotateTokensWorker::annotateAndAdvanceFunctionMacroTokens(
5920 RangeComparisonResult compResult,
5921 SourceRange range) {
5922 assert(MoreTokens());
5923 assert(isFunctionMacroToken(NextToken()) &&
5924 "Should be called only for macro arg tokens");
5926 // This works differently than annotateAndAdvanceTokens; because expanded
5927 // macro arguments can have arbitrary translation-unit source order, we do not
5928 // advance the token index one by one until a token fails the range test.
5929 // We only advance once past all of the macro arg tokens if all of them
5930 // pass the range test. If one of them fails we keep the token index pointing
5931 // at the start of the macro arg tokens so that the failing token will be
5932 // annotated by a subsequent annotation try.
5934 bool atLeastOneCompFail = false;
5936 unsigned I = NextToken();
5937 for (; I < NumTokens && isFunctionMacroToken(I); ++I) {
5938 SourceLocation TokLoc = getFunctionMacroTokenLoc(I);
5939 if (TokLoc.isFileID())
5940 continue; // not macro arg token, it's parens or comma.
5941 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
5942 if (clang_isInvalid(clang_getCursorKind(Cursors[I])))
5943 Cursors[I] = updateC;
5945 atLeastOneCompFail = true;
5948 if (atLeastOneCompFail)
5951 TokIdx = I; // All of the tokens were handled, advance beyond all of them.
5955 enum CXChildVisitResult
5956 AnnotateTokensWorker::Visit(CXCursor cursor, CXCursor parent) {
5957 SourceRange cursorRange = getRawCursorExtent(cursor);
5958 if (cursorRange.isInvalid())
5959 return CXChildVisit_Recurse;
5961 if (!HasContextSensitiveKeywords) {
5962 // Objective-C properties can have context-sensitive keywords.
5963 if (cursor.kind == CXCursor_ObjCPropertyDecl) {
5964 if (const ObjCPropertyDecl *Property
5965 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(cursor)))
5966 HasContextSensitiveKeywords = Property->getPropertyAttributesAsWritten() != 0;
5968 // Objective-C methods can have context-sensitive keywords.
5969 else if (cursor.kind == CXCursor_ObjCInstanceMethodDecl ||
5970 cursor.kind == CXCursor_ObjCClassMethodDecl) {
5971 if (const ObjCMethodDecl *Method
5972 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
5973 if (Method->getObjCDeclQualifier())
5974 HasContextSensitiveKeywords = true;
5976 for (const auto *P : Method->params()) {
5977 if (P->getObjCDeclQualifier()) {
5978 HasContextSensitiveKeywords = true;
5985 // C++ methods can have context-sensitive keywords.
5986 else if (cursor.kind == CXCursor_CXXMethod) {
5987 if (const CXXMethodDecl *Method
5988 = dyn_cast_or_null<CXXMethodDecl>(getCursorDecl(cursor))) {
5989 if (Method->hasAttr<FinalAttr>() || Method->hasAttr<OverrideAttr>())
5990 HasContextSensitiveKeywords = true;
5993 // C++ classes can have context-sensitive keywords.
5994 else if (cursor.kind == CXCursor_StructDecl ||
5995 cursor.kind == CXCursor_ClassDecl ||
5996 cursor.kind == CXCursor_ClassTemplate ||
5997 cursor.kind == CXCursor_ClassTemplatePartialSpecialization) {
5998 if (const Decl *D = getCursorDecl(cursor))
5999 if (D->hasAttr<FinalAttr>())
6000 HasContextSensitiveKeywords = true;
6004 // Don't override a property annotation with its getter/setter method.
6005 if (cursor.kind == CXCursor_ObjCInstanceMethodDecl &&
6006 parent.kind == CXCursor_ObjCPropertyDecl)
6007 return CXChildVisit_Continue;
6009 if (clang_isPreprocessing(cursor.kind)) {
6010 // Items in the preprocessing record are kept separate from items in
6011 // declarations, so we keep a separate token index.
6012 unsigned SavedTokIdx = TokIdx;
6013 TokIdx = PreprocessingTokIdx;
6015 // Skip tokens up until we catch up to the beginning of the preprocessing
6017 while (MoreTokens()) {
6018 const unsigned I = NextToken();
6019 SourceLocation TokLoc = GetTokenLoc(I);
6020 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
6031 // Look at all of the tokens within this range.
6032 while (MoreTokens()) {
6033 const unsigned I = NextToken();
6034 SourceLocation TokLoc = GetTokenLoc(I);
6035 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
6037 llvm_unreachable("Infeasible");
6041 // For macro expansions, just note where the beginning of the macro
6042 // expansion occurs.
6043 if (cursor.kind == CXCursor_MacroExpansion) {
6044 if (TokLoc == cursorRange.getBegin())
6045 Cursors[I] = cursor;
6049 // We may have already annotated macro names inside macro definitions.
6050 if (Cursors[I].kind != CXCursor_MacroExpansion)
6051 Cursors[I] = cursor;
6058 // Save the preprocessing token index; restore the non-preprocessing
6060 PreprocessingTokIdx = TokIdx;
6061 TokIdx = SavedTokIdx;
6062 return CXChildVisit_Recurse;
6065 if (cursorRange.isInvalid())
6066 return CXChildVisit_Continue;
6068 unsigned BeforeReachingCursorIdx = NextToken();
6069 const enum CXCursorKind cursorK = clang_getCursorKind(cursor);
6070 const enum CXCursorKind K = clang_getCursorKind(parent);
6071 const CXCursor updateC =
6072 (clang_isInvalid(K) || K == CXCursor_TranslationUnit ||
6073 // Attributes are annotated out-of-order, skip tokens until we reach it.
6074 clang_isAttribute(cursor.kind))
6075 ? clang_getNullCursor() : parent;
6077 annotateAndAdvanceTokens(updateC, RangeBefore, cursorRange);
6079 // Avoid having the cursor of an expression "overwrite" the annotation of the
6080 // variable declaration that it belongs to.
6081 // This can happen for C++ constructor expressions whose range generally
6082 // include the variable declaration, e.g.:
6083 // MyCXXClass foo; // Make sure we don't annotate 'foo' as a CallExpr cursor.
6084 if (clang_isExpression(cursorK) && MoreTokens()) {
6085 const Expr *E = getCursorExpr(cursor);
6086 if (const Decl *D = getCursorParentDecl(cursor)) {
6087 const unsigned I = NextToken();
6088 if (E->getLocStart().isValid() && D->getLocation().isValid() &&
6089 E->getLocStart() == D->getLocation() &&
6090 E->getLocStart() == GetTokenLoc(I)) {
6091 updateCursorAnnotation(Cursors[I], updateC);
6097 // Before recursing into the children keep some state that we are going
6098 // to use in the AnnotateTokensWorker::postVisitChildren callback to do some
6099 // extra work after the child nodes are visited.
6100 // Note that we don't call VisitChildren here to avoid traversing statements
6101 // code-recursively which can blow the stack.
6103 PostChildrenInfo Info;
6104 Info.Cursor = cursor;
6105 Info.CursorRange = cursorRange;
6106 Info.BeforeReachingCursorIdx = BeforeReachingCursorIdx;
6107 Info.BeforeChildrenTokenIdx = NextToken();
6108 PostChildrenInfos.push_back(Info);
6110 return CXChildVisit_Recurse;
6113 bool AnnotateTokensWorker::postVisitChildren(CXCursor cursor) {
6114 if (PostChildrenInfos.empty())
6116 const PostChildrenInfo &Info = PostChildrenInfos.back();
6117 if (!clang_equalCursors(Info.Cursor, cursor))
6120 const unsigned BeforeChildren = Info.BeforeChildrenTokenIdx;
6121 const unsigned AfterChildren = NextToken();
6122 SourceRange cursorRange = Info.CursorRange;
6124 // Scan the tokens that are at the end of the cursor, but are not captured
6125 // but the child cursors.
6126 annotateAndAdvanceTokens(cursor, RangeOverlap, cursorRange);
6128 // Scan the tokens that are at the beginning of the cursor, but are not
6129 // capture by the child cursors.
6130 for (unsigned I = BeforeChildren; I != AfterChildren; ++I) {
6131 if (!clang_isInvalid(clang_getCursorKind(Cursors[I])))
6134 Cursors[I] = cursor;
6137 // Attributes are annotated out-of-order, rewind TokIdx to when we first
6138 // encountered the attribute cursor.
6139 if (clang_isAttribute(cursor.kind))
6140 TokIdx = Info.BeforeReachingCursorIdx;
6142 PostChildrenInfos.pop_back();
6146 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
6148 CXClientData client_data) {
6149 return static_cast<AnnotateTokensWorker*>(client_data)->Visit(cursor, parent);
6152 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
6153 CXClientData client_data) {
6154 return static_cast<AnnotateTokensWorker*>(client_data)->
6155 postVisitChildren(cursor);
6160 /// \brief Uses the macro expansions in the preprocessing record to find
6161 /// and mark tokens that are macro arguments. This info is used by the
6162 /// AnnotateTokensWorker.
6163 class MarkMacroArgTokensVisitor {
6170 MarkMacroArgTokensVisitor(SourceManager &SM,
6171 CXToken *tokens, unsigned numTokens)
6172 : SM(SM), Tokens(tokens), NumTokens(numTokens), CurIdx(0) { }
6174 CXChildVisitResult visit(CXCursor cursor, CXCursor parent) {
6175 if (cursor.kind != CXCursor_MacroExpansion)
6176 return CXChildVisit_Continue;
6178 SourceRange macroRange = getCursorMacroExpansion(cursor).getSourceRange();
6179 if (macroRange.getBegin() == macroRange.getEnd())
6180 return CXChildVisit_Continue; // it's not a function macro.
6182 for (; CurIdx < NumTokens; ++CurIdx) {
6183 if (!SM.isBeforeInTranslationUnit(getTokenLoc(CurIdx),
6184 macroRange.getBegin()))
6188 if (CurIdx == NumTokens)
6189 return CXChildVisit_Break;
6191 for (; CurIdx < NumTokens; ++CurIdx) {
6192 SourceLocation tokLoc = getTokenLoc(CurIdx);
6193 if (!SM.isBeforeInTranslationUnit(tokLoc, macroRange.getEnd()))
6196 setFunctionMacroTokenLoc(CurIdx, SM.getMacroArgExpandedLocation(tokLoc));
6199 if (CurIdx == NumTokens)
6200 return CXChildVisit_Break;
6202 return CXChildVisit_Continue;
6206 CXToken &getTok(unsigned Idx) {
6207 assert(Idx < NumTokens);
6210 const CXToken &getTok(unsigned Idx) const {
6211 assert(Idx < NumTokens);
6215 SourceLocation getTokenLoc(unsigned tokI) {
6216 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
6219 void setFunctionMacroTokenLoc(unsigned tokI, SourceLocation loc) {
6220 // The third field is reserved and currently not used. Use it here
6221 // to mark macro arg expanded tokens with their expanded locations.
6222 getTok(tokI).int_data[3] = loc.getRawEncoding();
6226 } // end anonymous namespace
6228 static CXChildVisitResult
6229 MarkMacroArgTokensVisitorDelegate(CXCursor cursor, CXCursor parent,
6230 CXClientData client_data) {
6231 return static_cast<MarkMacroArgTokensVisitor*>(client_data)->visit(cursor,
6235 /// \brief Used by \c annotatePreprocessorTokens.
6236 /// \returns true if lexing was finished, false otherwise.
6237 static bool lexNext(Lexer &Lex, Token &Tok,
6238 unsigned &NextIdx, unsigned NumTokens) {
6239 if (NextIdx >= NumTokens)
6243 Lex.LexFromRawLexer(Tok);
6244 return Tok.is(tok::eof);
6247 static void annotatePreprocessorTokens(CXTranslationUnit TU,
6248 SourceRange RegionOfInterest,
6251 unsigned NumTokens) {
6252 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6254 Preprocessor &PP = CXXUnit->getPreprocessor();
6255 SourceManager &SourceMgr = CXXUnit->getSourceManager();
6256 std::pair<FileID, unsigned> BeginLocInfo
6257 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getBegin());
6258 std::pair<FileID, unsigned> EndLocInfo
6259 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getEnd());
6261 if (BeginLocInfo.first != EndLocInfo.first)
6265 bool Invalid = false;
6266 Buffer = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
6267 if (Buffer.empty() || Invalid)
6270 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
6271 CXXUnit->getASTContext().getLangOpts(),
6272 Buffer.begin(), Buffer.data() + BeginLocInfo.second,
6274 Lex.SetCommentRetentionState(true);
6276 unsigned NextIdx = 0;
6277 // Lex tokens in raw mode until we hit the end of the range, to avoid
6278 // entering #includes or expanding macros.
6281 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6283 unsigned TokIdx = NextIdx-1;
6284 assert(Tok.getLocation() ==
6285 SourceLocation::getFromRawEncoding(Tokens[TokIdx].int_data[1]));
6288 if (Tok.is(tok::hash) && Tok.isAtStartOfLine()) {
6289 // We have found a preprocessing directive. Annotate the tokens
6292 // FIXME: Some simple tests here could identify macro definitions and
6293 // #undefs, to provide specific cursor kinds for those.
6295 SourceLocation BeginLoc = Tok.getLocation();
6296 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6299 MacroInfo *MI = nullptr;
6300 if (Tok.is(tok::raw_identifier) && Tok.getRawIdentifier() == "define") {
6301 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6304 if (Tok.is(tok::raw_identifier)) {
6305 IdentifierInfo &II =
6306 PP.getIdentifierTable().get(Tok.getRawIdentifier());
6307 SourceLocation MappedTokLoc =
6308 CXXUnit->mapLocationToPreamble(Tok.getLocation());
6309 MI = getMacroInfo(II, MappedTokLoc, TU);
6313 bool finished = false;
6315 if (lexNext(Lex, Tok, NextIdx, NumTokens)) {
6319 // If we are in a macro definition, check if the token was ever a
6320 // macro name and annotate it if that's the case.
6322 SourceLocation SaveLoc = Tok.getLocation();
6323 Tok.setLocation(CXXUnit->mapLocationToPreamble(SaveLoc));
6324 MacroDefinitionRecord *MacroDef =
6325 checkForMacroInMacroDefinition(MI, Tok, TU);
6326 Tok.setLocation(SaveLoc);
6328 Cursors[NextIdx - 1] =
6329 MakeMacroExpansionCursor(MacroDef, Tok.getLocation(), TU);
6331 } while (!Tok.isAtStartOfLine());
6333 unsigned LastIdx = finished ? NextIdx-1 : NextIdx-2;
6334 assert(TokIdx <= LastIdx);
6335 SourceLocation EndLoc =
6336 SourceLocation::getFromRawEncoding(Tokens[LastIdx].int_data[1]);
6338 MakePreprocessingDirectiveCursor(SourceRange(BeginLoc, EndLoc), TU);
6340 for (; TokIdx <= LastIdx; ++TokIdx)
6341 updateCursorAnnotation(Cursors[TokIdx], Cursor);
6350 // This gets run a separate thread to avoid stack blowout.
6351 static void clang_annotateTokensImpl(CXTranslationUnit TU, ASTUnit *CXXUnit,
6352 CXToken *Tokens, unsigned NumTokens,
6353 CXCursor *Cursors) {
6354 CIndexer *CXXIdx = TU->CIdx;
6355 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
6356 setThreadBackgroundPriority();
6358 // Determine the region of interest, which contains all of the tokens.
6359 SourceRange RegionOfInterest;
6360 RegionOfInterest.setBegin(
6361 cxloc::translateSourceLocation(clang_getTokenLocation(TU, Tokens[0])));
6362 RegionOfInterest.setEnd(
6363 cxloc::translateSourceLocation(clang_getTokenLocation(TU,
6364 Tokens[NumTokens-1])));
6366 // Relex the tokens within the source range to look for preprocessing
6368 annotatePreprocessorTokens(TU, RegionOfInterest, Cursors, Tokens, NumTokens);
6370 // If begin location points inside a macro argument, set it to the expansion
6371 // location so we can have the full context when annotating semantically.
6373 SourceManager &SM = CXXUnit->getSourceManager();
6374 SourceLocation Loc =
6375 SM.getMacroArgExpandedLocation(RegionOfInterest.getBegin());
6376 if (Loc.isMacroID())
6377 RegionOfInterest.setBegin(SM.getExpansionLoc(Loc));
6380 if (CXXUnit->getPreprocessor().getPreprocessingRecord()) {
6381 // Search and mark tokens that are macro argument expansions.
6382 MarkMacroArgTokensVisitor Visitor(CXXUnit->getSourceManager(),
6384 CursorVisitor MacroArgMarker(TU,
6385 MarkMacroArgTokensVisitorDelegate, &Visitor,
6386 /*VisitPreprocessorLast=*/true,
6387 /*VisitIncludedEntities=*/false,
6389 MacroArgMarker.visitPreprocessedEntitiesInRegion();
6392 // Annotate all of the source locations in the region of interest that map to
6393 // a specific cursor.
6394 AnnotateTokensWorker W(Tokens, Cursors, NumTokens, TU, RegionOfInterest);
6396 // FIXME: We use a ridiculous stack size here because the data-recursion
6397 // algorithm uses a large stack frame than the non-data recursive version,
6398 // and AnnotationTokensWorker currently transforms the data-recursion
6399 // algorithm back into a traditional recursion by explicitly calling
6400 // VisitChildren(). We will need to remove this explicit recursive call.
6403 // If we ran into any entities that involve context-sensitive keywords,
6404 // take another pass through the tokens to mark them as such.
6405 if (W.hasContextSensitiveKeywords()) {
6406 for (unsigned I = 0; I != NumTokens; ++I) {
6407 if (clang_getTokenKind(Tokens[I]) != CXToken_Identifier)
6410 if (Cursors[I].kind == CXCursor_ObjCPropertyDecl) {
6411 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6412 if (const ObjCPropertyDecl *Property
6413 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(Cursors[I]))) {
6414 if (Property->getPropertyAttributesAsWritten() != 0 &&
6415 llvm::StringSwitch<bool>(II->getName())
6416 .Case("readonly", true)
6417 .Case("assign", true)
6418 .Case("unsafe_unretained", true)
6419 .Case("readwrite", true)
6420 .Case("retain", true)
6422 .Case("nonatomic", true)
6423 .Case("atomic", true)
6424 .Case("getter", true)
6425 .Case("setter", true)
6426 .Case("strong", true)
6429 Tokens[I].int_data[0] = CXToken_Keyword;
6434 if (Cursors[I].kind == CXCursor_ObjCInstanceMethodDecl ||
6435 Cursors[I].kind == CXCursor_ObjCClassMethodDecl) {
6436 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6437 if (llvm::StringSwitch<bool>(II->getName())
6440 .Case("inout", true)
6441 .Case("oneway", true)
6442 .Case("bycopy", true)
6443 .Case("byref", true)
6445 Tokens[I].int_data[0] = CXToken_Keyword;
6449 if (Cursors[I].kind == CXCursor_CXXFinalAttr ||
6450 Cursors[I].kind == CXCursor_CXXOverrideAttr) {
6451 Tokens[I].int_data[0] = CXToken_Keyword;
6460 void clang_annotateTokens(CXTranslationUnit TU,
6461 CXToken *Tokens, unsigned NumTokens,
6462 CXCursor *Cursors) {
6463 if (isNotUsableTU(TU)) {
6467 if (NumTokens == 0 || !Tokens || !Cursors) {
6468 LOG_FUNC_SECTION { *Log << "<null input>"; }
6474 CXSourceLocation bloc = clang_getTokenLocation(TU, Tokens[0]);
6475 CXSourceLocation eloc = clang_getTokenLocation(TU, Tokens[NumTokens-1]);
6476 *Log << clang_getRange(bloc, eloc);
6479 // Any token we don't specifically annotate will have a NULL cursor.
6480 CXCursor C = clang_getNullCursor();
6481 for (unsigned I = 0; I != NumTokens; ++I)
6484 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6488 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
6490 auto AnnotateTokensImpl = [=]() {
6491 clang_annotateTokensImpl(TU, CXXUnit, Tokens, NumTokens, Cursors);
6493 llvm::CrashRecoveryContext CRC;
6494 if (!RunSafely(CRC, AnnotateTokensImpl, GetSafetyThreadStackSize() * 2)) {
6495 fprintf(stderr, "libclang: crash detected while annotating tokens\n");
6499 } // end: extern "C"
6501 //===----------------------------------------------------------------------===//
6502 // Operations for querying linkage of a cursor.
6503 //===----------------------------------------------------------------------===//
6506 CXLinkageKind clang_getCursorLinkage(CXCursor cursor) {
6507 if (!clang_isDeclaration(cursor.kind))
6508 return CXLinkage_Invalid;
6510 const Decl *D = cxcursor::getCursorDecl(cursor);
6511 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6512 switch (ND->getLinkageInternal()) {
6514 case VisibleNoLinkage: return CXLinkage_NoLinkage;
6515 case InternalLinkage: return CXLinkage_Internal;
6516 case UniqueExternalLinkage: return CXLinkage_UniqueExternal;
6517 case ExternalLinkage: return CXLinkage_External;
6520 return CXLinkage_Invalid;
6522 } // end: extern "C"
6524 //===----------------------------------------------------------------------===//
6525 // Operations for querying visibility of a cursor.
6526 //===----------------------------------------------------------------------===//
6529 CXVisibilityKind clang_getCursorVisibility(CXCursor cursor) {
6530 if (!clang_isDeclaration(cursor.kind))
6531 return CXVisibility_Invalid;
6533 const Decl *D = cxcursor::getCursorDecl(cursor);
6534 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6535 switch (ND->getVisibility()) {
6536 case HiddenVisibility: return CXVisibility_Hidden;
6537 case ProtectedVisibility: return CXVisibility_Protected;
6538 case DefaultVisibility: return CXVisibility_Default;
6541 return CXVisibility_Invalid;
6543 } // end: extern "C"
6545 //===----------------------------------------------------------------------===//
6546 // Operations for querying language of a cursor.
6547 //===----------------------------------------------------------------------===//
6549 static CXLanguageKind getDeclLanguage(const Decl *D) {
6551 return CXLanguage_C;
6553 switch (D->getKind()) {
6556 case Decl::ImplicitParam:
6557 case Decl::ObjCAtDefsField:
6558 case Decl::ObjCCategory:
6559 case Decl::ObjCCategoryImpl:
6560 case Decl::ObjCCompatibleAlias:
6561 case Decl::ObjCImplementation:
6562 case Decl::ObjCInterface:
6563 case Decl::ObjCIvar:
6564 case Decl::ObjCMethod:
6565 case Decl::ObjCProperty:
6566 case Decl::ObjCPropertyImpl:
6567 case Decl::ObjCProtocol:
6568 case Decl::ObjCTypeParam:
6569 return CXLanguage_ObjC;
6570 case Decl::CXXConstructor:
6571 case Decl::CXXConversion:
6572 case Decl::CXXDestructor:
6573 case Decl::CXXMethod:
6574 case Decl::CXXRecord:
6575 case Decl::ClassTemplate:
6576 case Decl::ClassTemplatePartialSpecialization:
6577 case Decl::ClassTemplateSpecialization:
6579 case Decl::FriendTemplate:
6580 case Decl::FunctionTemplate:
6581 case Decl::LinkageSpec:
6582 case Decl::Namespace:
6583 case Decl::NamespaceAlias:
6584 case Decl::NonTypeTemplateParm:
6585 case Decl::StaticAssert:
6586 case Decl::TemplateTemplateParm:
6587 case Decl::TemplateTypeParm:
6588 case Decl::UnresolvedUsingTypename:
6589 case Decl::UnresolvedUsingValue:
6591 case Decl::UsingDirective:
6592 case Decl::UsingShadow:
6593 return CXLanguage_CPlusPlus;
6596 return CXLanguage_C;
6601 static CXAvailabilityKind getCursorAvailabilityForDecl(const Decl *D) {
6602 if (isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->isDeleted())
6603 return CXAvailability_NotAvailable;
6605 switch (D->getAvailability()) {
6607 case AR_NotYetIntroduced:
6608 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6609 return getCursorAvailabilityForDecl(
6610 cast<Decl>(EnumConst->getDeclContext()));
6611 return CXAvailability_Available;
6614 return CXAvailability_Deprecated;
6616 case AR_Unavailable:
6617 return CXAvailability_NotAvailable;
6620 llvm_unreachable("Unknown availability kind!");
6623 enum CXAvailabilityKind clang_getCursorAvailability(CXCursor cursor) {
6624 if (clang_isDeclaration(cursor.kind))
6625 if (const Decl *D = cxcursor::getCursorDecl(cursor))
6626 return getCursorAvailabilityForDecl(D);
6628 return CXAvailability_Available;
6631 static CXVersion convertVersion(VersionTuple In) {
6632 CXVersion Out = { -1, -1, -1 };
6636 Out.Major = In.getMajor();
6638 Optional<unsigned> Minor = In.getMinor();
6639 if (Minor.hasValue())
6644 Optional<unsigned> Subminor = In.getSubminor();
6645 if (Subminor.hasValue())
6646 Out.Subminor = *Subminor;
6651 static int getCursorPlatformAvailabilityForDecl(const Decl *D,
6652 int *always_deprecated,
6653 CXString *deprecated_message,
6654 int *always_unavailable,
6655 CXString *unavailable_message,
6656 CXPlatformAvailability *availability,
6657 int availability_size) {
6658 bool HadAvailAttr = false;
6660 for (auto A : D->attrs()) {
6661 if (DeprecatedAttr *Deprecated = dyn_cast<DeprecatedAttr>(A)) {
6662 HadAvailAttr = true;
6663 if (always_deprecated)
6664 *always_deprecated = 1;
6665 if (deprecated_message) {
6666 clang_disposeString(*deprecated_message);
6667 *deprecated_message = cxstring::createDup(Deprecated->getMessage());
6672 if (UnavailableAttr *Unavailable = dyn_cast<UnavailableAttr>(A)) {
6673 HadAvailAttr = true;
6674 if (always_unavailable)
6675 *always_unavailable = 1;
6676 if (unavailable_message) {
6677 clang_disposeString(*unavailable_message);
6678 *unavailable_message = cxstring::createDup(Unavailable->getMessage());
6683 if (AvailabilityAttr *Avail = dyn_cast<AvailabilityAttr>(A)) {
6684 HadAvailAttr = true;
6685 if (N < availability_size) {
6686 availability[N].Platform
6687 = cxstring::createDup(Avail->getPlatform()->getName());
6688 availability[N].Introduced = convertVersion(Avail->getIntroduced());
6689 availability[N].Deprecated = convertVersion(Avail->getDeprecated());
6690 availability[N].Obsoleted = convertVersion(Avail->getObsoleted());
6691 availability[N].Unavailable = Avail->getUnavailable();
6692 availability[N].Message = cxstring::createDup(Avail->getMessage());
6699 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6700 return getCursorPlatformAvailabilityForDecl(
6701 cast<Decl>(EnumConst->getDeclContext()),
6705 unavailable_message,
6712 int clang_getCursorPlatformAvailability(CXCursor cursor,
6713 int *always_deprecated,
6714 CXString *deprecated_message,
6715 int *always_unavailable,
6716 CXString *unavailable_message,
6717 CXPlatformAvailability *availability,
6718 int availability_size) {
6719 if (always_deprecated)
6720 *always_deprecated = 0;
6721 if (deprecated_message)
6722 *deprecated_message = cxstring::createEmpty();
6723 if (always_unavailable)
6724 *always_unavailable = 0;
6725 if (unavailable_message)
6726 *unavailable_message = cxstring::createEmpty();
6728 if (!clang_isDeclaration(cursor.kind))
6731 const Decl *D = cxcursor::getCursorDecl(cursor);
6735 return getCursorPlatformAvailabilityForDecl(D, always_deprecated,
6738 unavailable_message,
6743 void clang_disposeCXPlatformAvailability(CXPlatformAvailability *availability) {
6744 clang_disposeString(availability->Platform);
6745 clang_disposeString(availability->Message);
6748 CXLanguageKind clang_getCursorLanguage(CXCursor cursor) {
6749 if (clang_isDeclaration(cursor.kind))
6750 return getDeclLanguage(cxcursor::getCursorDecl(cursor));
6752 return CXLanguage_Invalid;
6755 /// \brief If the given cursor is the "templated" declaration
6756 /// descibing a class or function template, return the class or
6757 /// function template.
6758 static const Decl *maybeGetTemplateCursor(const Decl *D) {
6762 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
6763 if (FunctionTemplateDecl *FunTmpl = FD->getDescribedFunctionTemplate())
6766 if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D))
6767 if (ClassTemplateDecl *ClassTmpl = RD->getDescribedClassTemplate())
6774 enum CX_StorageClass clang_Cursor_getStorageClass(CXCursor C) {
6775 StorageClass sc = SC_None;
6776 const Decl *D = getCursorDecl(C);
6778 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
6779 sc = FD->getStorageClass();
6780 } else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
6781 sc = VD->getStorageClass();
6783 return CX_SC_Invalid;
6786 return CX_SC_Invalid;
6792 return CX_SC_Extern;
6794 return CX_SC_Static;
6795 case SC_PrivateExtern:
6796 return CX_SC_PrivateExtern;
6800 return CX_SC_Register;
6802 llvm_unreachable("Unhandled storage class!");
6805 CXCursor clang_getCursorSemanticParent(CXCursor cursor) {
6806 if (clang_isDeclaration(cursor.kind)) {
6807 if (const Decl *D = getCursorDecl(cursor)) {
6808 const DeclContext *DC = D->getDeclContext();
6810 return clang_getNullCursor();
6812 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
6813 getCursorTU(cursor));
6817 if (clang_isStatement(cursor.kind) || clang_isExpression(cursor.kind)) {
6818 if (const Decl *D = getCursorDecl(cursor))
6819 return MakeCXCursor(D, getCursorTU(cursor));
6822 return clang_getNullCursor();
6825 CXCursor clang_getCursorLexicalParent(CXCursor cursor) {
6826 if (clang_isDeclaration(cursor.kind)) {
6827 if (const Decl *D = getCursorDecl(cursor)) {
6828 const DeclContext *DC = D->getLexicalDeclContext();
6830 return clang_getNullCursor();
6832 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
6833 getCursorTU(cursor));
6837 // FIXME: Note that we can't easily compute the lexical context of a
6838 // statement or expression, so we return nothing.
6839 return clang_getNullCursor();
6842 CXFile clang_getIncludedFile(CXCursor cursor) {
6843 if (cursor.kind != CXCursor_InclusionDirective)
6846 const InclusionDirective *ID = getCursorInclusionDirective(cursor);
6847 return const_cast<FileEntry *>(ID->getFile());
6850 unsigned clang_Cursor_getObjCPropertyAttributes(CXCursor C, unsigned reserved) {
6851 if (C.kind != CXCursor_ObjCPropertyDecl)
6852 return CXObjCPropertyAttr_noattr;
6854 unsigned Result = CXObjCPropertyAttr_noattr;
6855 const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(getCursorDecl(C));
6856 ObjCPropertyDecl::PropertyAttributeKind Attr =
6857 PD->getPropertyAttributesAsWritten();
6859 #define SET_CXOBJCPROP_ATTR(A) \
6860 if (Attr & ObjCPropertyDecl::OBJC_PR_##A) \
6861 Result |= CXObjCPropertyAttr_##A
6862 SET_CXOBJCPROP_ATTR(readonly);
6863 SET_CXOBJCPROP_ATTR(getter);
6864 SET_CXOBJCPROP_ATTR(assign);
6865 SET_CXOBJCPROP_ATTR(readwrite);
6866 SET_CXOBJCPROP_ATTR(retain);
6867 SET_CXOBJCPROP_ATTR(copy);
6868 SET_CXOBJCPROP_ATTR(nonatomic);
6869 SET_CXOBJCPROP_ATTR(setter);
6870 SET_CXOBJCPROP_ATTR(atomic);
6871 SET_CXOBJCPROP_ATTR(weak);
6872 SET_CXOBJCPROP_ATTR(strong);
6873 SET_CXOBJCPROP_ATTR(unsafe_unretained);
6874 #undef SET_CXOBJCPROP_ATTR
6879 unsigned clang_Cursor_getObjCDeclQualifiers(CXCursor C) {
6880 if (!clang_isDeclaration(C.kind))
6881 return CXObjCDeclQualifier_None;
6883 Decl::ObjCDeclQualifier QT = Decl::OBJC_TQ_None;
6884 const Decl *D = getCursorDecl(C);
6885 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
6886 QT = MD->getObjCDeclQualifier();
6887 else if (const ParmVarDecl *PD = dyn_cast<ParmVarDecl>(D))
6888 QT = PD->getObjCDeclQualifier();
6889 if (QT == Decl::OBJC_TQ_None)
6890 return CXObjCDeclQualifier_None;
6892 unsigned Result = CXObjCDeclQualifier_None;
6893 if (QT & Decl::OBJC_TQ_In) Result |= CXObjCDeclQualifier_In;
6894 if (QT & Decl::OBJC_TQ_Inout) Result |= CXObjCDeclQualifier_Inout;
6895 if (QT & Decl::OBJC_TQ_Out) Result |= CXObjCDeclQualifier_Out;
6896 if (QT & Decl::OBJC_TQ_Bycopy) Result |= CXObjCDeclQualifier_Bycopy;
6897 if (QT & Decl::OBJC_TQ_Byref) Result |= CXObjCDeclQualifier_Byref;
6898 if (QT & Decl::OBJC_TQ_Oneway) Result |= CXObjCDeclQualifier_Oneway;
6903 unsigned clang_Cursor_isObjCOptional(CXCursor C) {
6904 if (!clang_isDeclaration(C.kind))
6907 const Decl *D = getCursorDecl(C);
6908 if (const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(D))
6909 return PD->getPropertyImplementation() == ObjCPropertyDecl::Optional;
6910 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
6911 return MD->getImplementationControl() == ObjCMethodDecl::Optional;
6916 unsigned clang_Cursor_isVariadic(CXCursor C) {
6917 if (!clang_isDeclaration(C.kind))
6920 const Decl *D = getCursorDecl(C);
6921 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
6922 return FD->isVariadic();
6923 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
6924 return MD->isVariadic();
6929 CXSourceRange clang_Cursor_getCommentRange(CXCursor C) {
6930 if (!clang_isDeclaration(C.kind))
6931 return clang_getNullRange();
6933 const Decl *D = getCursorDecl(C);
6934 ASTContext &Context = getCursorContext(C);
6935 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6937 return clang_getNullRange();
6939 return cxloc::translateSourceRange(Context, RC->getSourceRange());
6942 CXString clang_Cursor_getRawCommentText(CXCursor C) {
6943 if (!clang_isDeclaration(C.kind))
6944 return cxstring::createNull();
6946 const Decl *D = getCursorDecl(C);
6947 ASTContext &Context = getCursorContext(C);
6948 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6949 StringRef RawText = RC ? RC->getRawText(Context.getSourceManager()) :
6952 // Don't duplicate the string because RawText points directly into source
6954 return cxstring::createRef(RawText);
6957 CXString clang_Cursor_getBriefCommentText(CXCursor C) {
6958 if (!clang_isDeclaration(C.kind))
6959 return cxstring::createNull();
6961 const Decl *D = getCursorDecl(C);
6962 const ASTContext &Context = getCursorContext(C);
6963 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6966 StringRef BriefText = RC->getBriefText(Context);
6968 // Don't duplicate the string because RawComment ensures that this memory
6969 // will not go away.
6970 return cxstring::createRef(BriefText);
6973 return cxstring::createNull();
6976 CXModule clang_Cursor_getModule(CXCursor C) {
6977 if (C.kind == CXCursor_ModuleImportDecl) {
6978 if (const ImportDecl *ImportD =
6979 dyn_cast_or_null<ImportDecl>(getCursorDecl(C)))
6980 return ImportD->getImportedModule();
6986 CXModule clang_getModuleForFile(CXTranslationUnit TU, CXFile File) {
6987 if (isNotUsableTU(TU)) {
6993 FileEntry *FE = static_cast<FileEntry *>(File);
6995 ASTUnit &Unit = *cxtu::getASTUnit(TU);
6996 HeaderSearch &HS = Unit.getPreprocessor().getHeaderSearchInfo();
6997 ModuleMap::KnownHeader Header = HS.findModuleForHeader(FE);
6999 return Header.getModule();
7002 CXFile clang_Module_getASTFile(CXModule CXMod) {
7005 Module *Mod = static_cast<Module*>(CXMod);
7006 return const_cast<FileEntry *>(Mod->getASTFile());
7009 CXModule clang_Module_getParent(CXModule CXMod) {
7012 Module *Mod = static_cast<Module*>(CXMod);
7016 CXString clang_Module_getName(CXModule CXMod) {
7018 return cxstring::createEmpty();
7019 Module *Mod = static_cast<Module*>(CXMod);
7020 return cxstring::createDup(Mod->Name);
7023 CXString clang_Module_getFullName(CXModule CXMod) {
7025 return cxstring::createEmpty();
7026 Module *Mod = static_cast<Module*>(CXMod);
7027 return cxstring::createDup(Mod->getFullModuleName());
7030 int clang_Module_isSystem(CXModule CXMod) {
7033 Module *Mod = static_cast<Module*>(CXMod);
7034 return Mod->IsSystem;
7037 unsigned clang_Module_getNumTopLevelHeaders(CXTranslationUnit TU,
7039 if (isNotUsableTU(TU)) {
7045 Module *Mod = static_cast<Module*>(CXMod);
7046 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7047 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7048 return TopHeaders.size();
7051 CXFile clang_Module_getTopLevelHeader(CXTranslationUnit TU,
7052 CXModule CXMod, unsigned Index) {
7053 if (isNotUsableTU(TU)) {
7059 Module *Mod = static_cast<Module*>(CXMod);
7060 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7062 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7063 if (Index < TopHeaders.size())
7064 return const_cast<FileEntry *>(TopHeaders[Index]);
7069 } // end: extern "C"
7071 //===----------------------------------------------------------------------===//
7072 // C++ AST instrospection.
7073 //===----------------------------------------------------------------------===//
7076 unsigned clang_CXXField_isMutable(CXCursor C) {
7077 if (!clang_isDeclaration(C.kind))
7080 if (const auto D = cxcursor::getCursorDecl(C))
7081 if (const auto FD = dyn_cast_or_null<FieldDecl>(D))
7082 return FD->isMutable() ? 1 : 0;
7086 unsigned clang_CXXMethod_isPureVirtual(CXCursor C) {
7087 if (!clang_isDeclaration(C.kind))
7090 const Decl *D = cxcursor::getCursorDecl(C);
7091 const CXXMethodDecl *Method =
7092 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7093 return (Method && Method->isVirtual() && Method->isPure()) ? 1 : 0;
7096 unsigned clang_CXXMethod_isConst(CXCursor C) {
7097 if (!clang_isDeclaration(C.kind))
7100 const Decl *D = cxcursor::getCursorDecl(C);
7101 const CXXMethodDecl *Method =
7102 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7103 return (Method && (Method->getTypeQualifiers() & Qualifiers::Const)) ? 1 : 0;
7106 unsigned clang_CXXMethod_isStatic(CXCursor C) {
7107 if (!clang_isDeclaration(C.kind))
7110 const Decl *D = cxcursor::getCursorDecl(C);
7111 const CXXMethodDecl *Method =
7112 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7113 return (Method && Method->isStatic()) ? 1 : 0;
7116 unsigned clang_CXXMethod_isVirtual(CXCursor C) {
7117 if (!clang_isDeclaration(C.kind))
7120 const Decl *D = cxcursor::getCursorDecl(C);
7121 const CXXMethodDecl *Method =
7122 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7123 return (Method && Method->isVirtual()) ? 1 : 0;
7125 } // end: extern "C"
7127 //===----------------------------------------------------------------------===//
7128 // Attribute introspection.
7129 //===----------------------------------------------------------------------===//
7132 CXType clang_getIBOutletCollectionType(CXCursor C) {
7133 if (C.kind != CXCursor_IBOutletCollectionAttr)
7134 return cxtype::MakeCXType(QualType(), cxcursor::getCursorTU(C));
7136 const IBOutletCollectionAttr *A =
7137 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
7139 return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorTU(C));
7141 } // end: extern "C"
7143 //===----------------------------------------------------------------------===//
7144 // Inspecting memory usage.
7145 //===----------------------------------------------------------------------===//
7147 typedef std::vector<CXTUResourceUsageEntry> MemUsageEntries;
7149 static inline void createCXTUResourceUsageEntry(MemUsageEntries &entries,
7150 enum CXTUResourceUsageKind k,
7151 unsigned long amount) {
7152 CXTUResourceUsageEntry entry = { k, amount };
7153 entries.push_back(entry);
7158 const char *clang_getTUResourceUsageName(CXTUResourceUsageKind kind) {
7159 const char *str = "";
7161 case CXTUResourceUsage_AST:
7162 str = "ASTContext: expressions, declarations, and types";
7164 case CXTUResourceUsage_Identifiers:
7165 str = "ASTContext: identifiers";
7167 case CXTUResourceUsage_Selectors:
7168 str = "ASTContext: selectors";
7170 case CXTUResourceUsage_GlobalCompletionResults:
7171 str = "Code completion: cached global results";
7173 case CXTUResourceUsage_SourceManagerContentCache:
7174 str = "SourceManager: content cache allocator";
7176 case CXTUResourceUsage_AST_SideTables:
7177 str = "ASTContext: side tables";
7179 case CXTUResourceUsage_SourceManager_Membuffer_Malloc:
7180 str = "SourceManager: malloc'ed memory buffers";
7182 case CXTUResourceUsage_SourceManager_Membuffer_MMap:
7183 str = "SourceManager: mmap'ed memory buffers";
7185 case CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc:
7186 str = "ExternalASTSource: malloc'ed memory buffers";
7188 case CXTUResourceUsage_ExternalASTSource_Membuffer_MMap:
7189 str = "ExternalASTSource: mmap'ed memory buffers";
7191 case CXTUResourceUsage_Preprocessor:
7192 str = "Preprocessor: malloc'ed memory";
7194 case CXTUResourceUsage_PreprocessingRecord:
7195 str = "Preprocessor: PreprocessingRecord";
7197 case CXTUResourceUsage_SourceManager_DataStructures:
7198 str = "SourceManager: data structures and tables";
7200 case CXTUResourceUsage_Preprocessor_HeaderSearch:
7201 str = "Preprocessor: header search tables";
7207 CXTUResourceUsage clang_getCXTUResourceUsage(CXTranslationUnit TU) {
7208 if (isNotUsableTU(TU)) {
7210 CXTUResourceUsage usage = { (void*) nullptr, 0, nullptr };
7214 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7215 std::unique_ptr<MemUsageEntries> entries(new MemUsageEntries());
7216 ASTContext &astContext = astUnit->getASTContext();
7218 // How much memory is used by AST nodes and types?
7219 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST,
7220 (unsigned long) astContext.getASTAllocatedMemory());
7222 // How much memory is used by identifiers?
7223 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Identifiers,
7224 (unsigned long) astContext.Idents.getAllocator().getTotalMemory());
7226 // How much memory is used for selectors?
7227 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Selectors,
7228 (unsigned long) astContext.Selectors.getTotalMemory());
7230 // How much memory is used by ASTContext's side tables?
7231 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST_SideTables,
7232 (unsigned long) astContext.getSideTableAllocatedMemory());
7234 // How much memory is used for caching global code completion results?
7235 unsigned long completionBytes = 0;
7236 if (GlobalCodeCompletionAllocator *completionAllocator =
7237 astUnit->getCachedCompletionAllocator().get()) {
7238 completionBytes = completionAllocator->getTotalMemory();
7240 createCXTUResourceUsageEntry(*entries,
7241 CXTUResourceUsage_GlobalCompletionResults,
7244 // How much memory is being used by SourceManager's content cache?
7245 createCXTUResourceUsageEntry(*entries,
7246 CXTUResourceUsage_SourceManagerContentCache,
7247 (unsigned long) astContext.getSourceManager().getContentCacheSize());
7249 // How much memory is being used by the MemoryBuffer's in SourceManager?
7250 const SourceManager::MemoryBufferSizes &srcBufs =
7251 astUnit->getSourceManager().getMemoryBufferSizes();
7253 createCXTUResourceUsageEntry(*entries,
7254 CXTUResourceUsage_SourceManager_Membuffer_Malloc,
7255 (unsigned long) srcBufs.malloc_bytes);
7256 createCXTUResourceUsageEntry(*entries,
7257 CXTUResourceUsage_SourceManager_Membuffer_MMap,
7258 (unsigned long) srcBufs.mmap_bytes);
7259 createCXTUResourceUsageEntry(*entries,
7260 CXTUResourceUsage_SourceManager_DataStructures,
7261 (unsigned long) astContext.getSourceManager()
7262 .getDataStructureSizes());
7264 // How much memory is being used by the ExternalASTSource?
7265 if (ExternalASTSource *esrc = astContext.getExternalSource()) {
7266 const ExternalASTSource::MemoryBufferSizes &sizes =
7267 esrc->getMemoryBufferSizes();
7269 createCXTUResourceUsageEntry(*entries,
7270 CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc,
7271 (unsigned long) sizes.malloc_bytes);
7272 createCXTUResourceUsageEntry(*entries,
7273 CXTUResourceUsage_ExternalASTSource_Membuffer_MMap,
7274 (unsigned long) sizes.mmap_bytes);
7277 // How much memory is being used by the Preprocessor?
7278 Preprocessor &pp = astUnit->getPreprocessor();
7279 createCXTUResourceUsageEntry(*entries,
7280 CXTUResourceUsage_Preprocessor,
7281 pp.getTotalMemory());
7283 if (PreprocessingRecord *pRec = pp.getPreprocessingRecord()) {
7284 createCXTUResourceUsageEntry(*entries,
7285 CXTUResourceUsage_PreprocessingRecord,
7286 pRec->getTotalMemory());
7289 createCXTUResourceUsageEntry(*entries,
7290 CXTUResourceUsage_Preprocessor_HeaderSearch,
7291 pp.getHeaderSearchInfo().getTotalMemory());
7293 CXTUResourceUsage usage = { (void*) entries.get(),
7294 (unsigned) entries->size(),
7295 !entries->empty() ? &(*entries)[0] : nullptr };
7300 void clang_disposeCXTUResourceUsage(CXTUResourceUsage usage) {
7302 delete (MemUsageEntries*) usage.data;
7305 CXSourceRangeList *clang_getSkippedRanges(CXTranslationUnit TU, CXFile file) {
7306 CXSourceRangeList *skipped = new CXSourceRangeList;
7308 skipped->ranges = nullptr;
7310 if (isNotUsableTU(TU)) {
7318 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7319 PreprocessingRecord *ppRec = astUnit->getPreprocessor().getPreprocessingRecord();
7323 ASTContext &Ctx = astUnit->getASTContext();
7324 SourceManager &sm = Ctx.getSourceManager();
7325 FileEntry *fileEntry = static_cast<FileEntry *>(file);
7326 FileID wantedFileID = sm.translateFile(fileEntry);
7328 const std::vector<SourceRange> &SkippedRanges = ppRec->getSkippedRanges();
7329 std::vector<SourceRange> wantedRanges;
7330 for (std::vector<SourceRange>::const_iterator i = SkippedRanges.begin(), ei = SkippedRanges.end();
7332 if (sm.getFileID(i->getBegin()) == wantedFileID || sm.getFileID(i->getEnd()) == wantedFileID)
7333 wantedRanges.push_back(*i);
7336 skipped->count = wantedRanges.size();
7337 skipped->ranges = new CXSourceRange[skipped->count];
7338 for (unsigned i = 0, ei = skipped->count; i != ei; ++i)
7339 skipped->ranges[i] = cxloc::translateSourceRange(Ctx, wantedRanges[i]);
7344 void clang_disposeSourceRangeList(CXSourceRangeList *ranges) {
7346 delete[] ranges->ranges;
7353 void clang::PrintLibclangResourceUsage(CXTranslationUnit TU) {
7354 CXTUResourceUsage Usage = clang_getCXTUResourceUsage(TU);
7355 for (unsigned I = 0; I != Usage.numEntries; ++I)
7356 fprintf(stderr, " %s: %lu\n",
7357 clang_getTUResourceUsageName(Usage.entries[I].kind),
7358 Usage.entries[I].amount);
7360 clang_disposeCXTUResourceUsage(Usage);
7363 //===----------------------------------------------------------------------===//
7364 // Misc. utility functions.
7365 //===----------------------------------------------------------------------===//
7367 /// Default to using an 8 MB stack size on "safety" threads.
7368 static unsigned SafetyStackThreadSize = 8 << 20;
7372 bool RunSafely(llvm::CrashRecoveryContext &CRC, llvm::function_ref<void()> Fn,
7375 Size = GetSafetyThreadStackSize();
7377 return CRC.RunSafelyOnThread(Fn, Size);
7378 return CRC.RunSafely(Fn);
7381 unsigned GetSafetyThreadStackSize() {
7382 return SafetyStackThreadSize;
7385 void SetSafetyThreadStackSize(unsigned Value) {
7386 SafetyStackThreadSize = Value;
7391 void clang::setThreadBackgroundPriority() {
7392 if (getenv("LIBCLANG_BGPRIO_DISABLE"))
7395 #ifdef USE_DARWIN_THREADS
7396 setpriority(PRIO_DARWIN_THREAD, 0, PRIO_DARWIN_BG);
7400 void cxindex::printDiagsToStderr(ASTUnit *Unit) {
7404 for (ASTUnit::stored_diag_iterator D = Unit->stored_diag_begin(),
7405 DEnd = Unit->stored_diag_end();
7407 CXStoredDiagnostic Diag(*D, Unit->getLangOpts());
7408 CXString Msg = clang_formatDiagnostic(&Diag,
7409 clang_defaultDiagnosticDisplayOptions());
7410 fprintf(stderr, "%s\n", clang_getCString(Msg));
7411 clang_disposeString(Msg);
7413 #ifdef LLVM_ON_WIN32
7414 // On Windows, force a flush, since there may be multiple copies of
7415 // stderr and stdout in the file system, all with different buffers
7416 // but writing to the same device.
7421 MacroInfo *cxindex::getMacroInfo(const IdentifierInfo &II,
7422 SourceLocation MacroDefLoc,
7423 CXTranslationUnit TU){
7424 if (MacroDefLoc.isInvalid() || !TU)
7426 if (!II.hadMacroDefinition())
7429 ASTUnit *Unit = cxtu::getASTUnit(TU);
7430 Preprocessor &PP = Unit->getPreprocessor();
7431 MacroDirective *MD = PP.getLocalMacroDirectiveHistory(&II);
7433 for (MacroDirective::DefInfo
7434 Def = MD->getDefinition(); Def; Def = Def.getPreviousDefinition()) {
7435 if (MacroDefLoc == Def.getMacroInfo()->getDefinitionLoc())
7436 return Def.getMacroInfo();
7443 const MacroInfo *cxindex::getMacroInfo(const MacroDefinitionRecord *MacroDef,
7444 CXTranslationUnit TU) {
7445 if (!MacroDef || !TU)
7447 const IdentifierInfo *II = MacroDef->getName();
7451 return getMacroInfo(*II, MacroDef->getLocation(), TU);
7454 MacroDefinitionRecord *
7455 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, const Token &Tok,
7456 CXTranslationUnit TU) {
7459 if (Tok.isNot(tok::raw_identifier))
7462 if (MI->getNumTokens() == 0)
7464 SourceRange DefRange(MI->getReplacementToken(0).getLocation(),
7465 MI->getDefinitionEndLoc());
7466 ASTUnit *Unit = cxtu::getASTUnit(TU);
7468 // Check that the token is inside the definition and not its argument list.
7469 SourceManager &SM = Unit->getSourceManager();
7470 if (SM.isBeforeInTranslationUnit(Tok.getLocation(), DefRange.getBegin()))
7472 if (SM.isBeforeInTranslationUnit(DefRange.getEnd(), Tok.getLocation()))
7475 Preprocessor &PP = Unit->getPreprocessor();
7476 PreprocessingRecord *PPRec = PP.getPreprocessingRecord();
7480 IdentifierInfo &II = PP.getIdentifierTable().get(Tok.getRawIdentifier());
7481 if (!II.hadMacroDefinition())
7484 // Check that the identifier is not one of the macro arguments.
7485 if (std::find(MI->arg_begin(), MI->arg_end(), &II) != MI->arg_end())
7488 MacroDirective *InnerMD = PP.getLocalMacroDirectiveHistory(&II);
7492 return PPRec->findMacroDefinition(InnerMD->getMacroInfo());
7495 MacroDefinitionRecord *
7496 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, SourceLocation Loc,
7497 CXTranslationUnit TU) {
7498 if (Loc.isInvalid() || !MI || !TU)
7501 if (MI->getNumTokens() == 0)
7503 ASTUnit *Unit = cxtu::getASTUnit(TU);
7504 Preprocessor &PP = Unit->getPreprocessor();
7505 if (!PP.getPreprocessingRecord())
7507 Loc = Unit->getSourceManager().getSpellingLoc(Loc);
7509 if (PP.getRawToken(Loc, Tok))
7512 return checkForMacroInMacroDefinition(MI, Tok, TU);
7517 CXString clang_getClangVersion() {
7518 return cxstring::createDup(getClangFullVersion());
7521 } // end: extern "C"
7523 Logger &cxindex::Logger::operator<<(CXTranslationUnit TU) {
7525 if (ASTUnit *Unit = cxtu::getASTUnit(TU)) {
7526 LogOS << '<' << Unit->getMainFileName() << '>';
7527 if (Unit->isMainFileAST())
7528 LogOS << " (" << Unit->getASTFileName() << ')';
7532 LogOS << "<NULL TU>";
7537 Logger &cxindex::Logger::operator<<(const FileEntry *FE) {
7538 *this << FE->getName();
7542 Logger &cxindex::Logger::operator<<(CXCursor cursor) {
7543 CXString cursorName = clang_getCursorDisplayName(cursor);
7544 *this << cursorName << "@" << clang_getCursorLocation(cursor);
7545 clang_disposeString(cursorName);
7549 Logger &cxindex::Logger::operator<<(CXSourceLocation Loc) {
7551 unsigned Line, Column;
7552 clang_getFileLocation(Loc, &File, &Line, &Column, nullptr);
7553 CXString FileName = clang_getFileName(File);
7554 *this << llvm::format("(%s:%d:%d)", clang_getCString(FileName), Line, Column);
7555 clang_disposeString(FileName);
7559 Logger &cxindex::Logger::operator<<(CXSourceRange range) {
7560 CXSourceLocation BLoc = clang_getRangeStart(range);
7561 CXSourceLocation ELoc = clang_getRangeEnd(range);
7564 unsigned BLine, BColumn;
7565 clang_getFileLocation(BLoc, &BFile, &BLine, &BColumn, nullptr);
7568 unsigned ELine, EColumn;
7569 clang_getFileLocation(ELoc, &EFile, &ELine, &EColumn, nullptr);
7571 CXString BFileName = clang_getFileName(BFile);
7572 if (BFile == EFile) {
7573 *this << llvm::format("[%s %d:%d-%d:%d]", clang_getCString(BFileName),
7574 BLine, BColumn, ELine, EColumn);
7576 CXString EFileName = clang_getFileName(EFile);
7577 *this << llvm::format("[%s:%d:%d - ", clang_getCString(BFileName),
7579 << llvm::format("%s:%d:%d]", clang_getCString(EFileName),
7581 clang_disposeString(EFileName);
7583 clang_disposeString(BFileName);
7587 Logger &cxindex::Logger::operator<<(CXString Str) {
7588 *this << clang_getCString(Str);
7592 Logger &cxindex::Logger::operator<<(const llvm::format_object_base &Fmt) {
7597 static llvm::ManagedStatic<llvm::sys::Mutex> LoggingMutex;
7599 cxindex::Logger::~Logger() {
7600 llvm::sys::ScopedLock L(*LoggingMutex);
7602 static llvm::TimeRecord sBeginTR = llvm::TimeRecord::getCurrentTime();
7604 raw_ostream &OS = llvm::errs();
7605 OS << "[libclang:" << Name << ':';
7607 #ifdef USE_DARWIN_THREADS
7608 // TODO: Portability.
7609 mach_port_t tid = pthread_mach_thread_np(pthread_self());
7613 llvm::TimeRecord TR = llvm::TimeRecord::getCurrentTime();
7614 OS << llvm::format("%7.4f] ", TR.getWallTime() - sBeginTR.getWallTime());
7618 llvm::sys::PrintStackTrace(OS);
7619 OS << "--------------------------------------------------\n";