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 if (ShouldVisitBody && VisitCXXRecordDecl(D))
727 bool CursorVisitor::VisitClassTemplatePartialSpecializationDecl(
728 ClassTemplatePartialSpecializationDecl *D) {
729 // FIXME: Visit the "outer" template parameter lists on the TagDecl
730 // before visiting these template parameters.
731 if (VisitTemplateParameters(D->getTemplateParameters()))
734 // Visit the partial specialization arguments.
735 const ASTTemplateArgumentListInfo *Info = D->getTemplateArgsAsWritten();
736 const TemplateArgumentLoc *TemplateArgs = Info->getTemplateArgs();
737 for (unsigned I = 0, N = Info->NumTemplateArgs; I != N; ++I)
738 if (VisitTemplateArgumentLoc(TemplateArgs[I]))
741 return VisitCXXRecordDecl(D);
744 bool CursorVisitor::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
745 // Visit the default argument.
746 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
747 if (TypeSourceInfo *DefArg = D->getDefaultArgumentInfo())
748 if (Visit(DefArg->getTypeLoc()))
754 bool CursorVisitor::VisitEnumConstantDecl(EnumConstantDecl *D) {
755 if (Expr *Init = D->getInitExpr())
756 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
760 bool CursorVisitor::VisitDeclaratorDecl(DeclaratorDecl *DD) {
761 unsigned NumParamList = DD->getNumTemplateParameterLists();
762 for (unsigned i = 0; i < NumParamList; i++) {
763 TemplateParameterList* Params = DD->getTemplateParameterList(i);
764 if (VisitTemplateParameters(Params))
768 if (TypeSourceInfo *TSInfo = DD->getTypeSourceInfo())
769 if (Visit(TSInfo->getTypeLoc()))
772 // Visit the nested-name-specifier, if present.
773 if (NestedNameSpecifierLoc QualifierLoc = DD->getQualifierLoc())
774 if (VisitNestedNameSpecifierLoc(QualifierLoc))
780 /// \brief Compare two base or member initializers based on their source order.
781 static int CompareCXXCtorInitializers(CXXCtorInitializer *const *X,
782 CXXCtorInitializer *const *Y) {
783 return (*X)->getSourceOrder() - (*Y)->getSourceOrder();
786 bool CursorVisitor::VisitFunctionDecl(FunctionDecl *ND) {
787 unsigned NumParamList = ND->getNumTemplateParameterLists();
788 for (unsigned i = 0; i < NumParamList; i++) {
789 TemplateParameterList* Params = ND->getTemplateParameterList(i);
790 if (VisitTemplateParameters(Params))
794 if (TypeSourceInfo *TSInfo = ND->getTypeSourceInfo()) {
795 // Visit the function declaration's syntactic components in the order
796 // written. This requires a bit of work.
797 TypeLoc TL = TSInfo->getTypeLoc().IgnoreParens();
798 FunctionTypeLoc FTL = TL.getAs<FunctionTypeLoc>();
800 // If we have a function declared directly (without the use of a typedef),
801 // visit just the return type. Otherwise, just visit the function's type
803 if ((FTL && !isa<CXXConversionDecl>(ND) && Visit(FTL.getReturnLoc())) ||
807 // Visit the nested-name-specifier, if present.
808 if (NestedNameSpecifierLoc QualifierLoc = ND->getQualifierLoc())
809 if (VisitNestedNameSpecifierLoc(QualifierLoc))
812 // Visit the declaration name.
813 if (!isa<CXXDestructorDecl>(ND))
814 if (VisitDeclarationNameInfo(ND->getNameInfo()))
817 // FIXME: Visit explicitly-specified template arguments!
819 // Visit the function parameters, if we have a function type.
820 if (FTL && VisitFunctionTypeLoc(FTL, true))
823 // FIXME: Attributes?
826 if (ND->doesThisDeclarationHaveABody() && !ND->isLateTemplateParsed()) {
827 if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(ND)) {
828 // Find the initializers that were written in the source.
829 SmallVector<CXXCtorInitializer *, 4> WrittenInits;
830 for (auto *I : Constructor->inits()) {
834 WrittenInits.push_back(I);
837 // Sort the initializers in source order
838 llvm::array_pod_sort(WrittenInits.begin(), WrittenInits.end(),
839 &CompareCXXCtorInitializers);
841 // Visit the initializers in source order
842 for (unsigned I = 0, N = WrittenInits.size(); I != N; ++I) {
843 CXXCtorInitializer *Init = WrittenInits[I];
844 if (Init->isAnyMemberInitializer()) {
845 if (Visit(MakeCursorMemberRef(Init->getAnyMember(),
846 Init->getMemberLocation(), TU)))
848 } else if (TypeSourceInfo *TInfo = Init->getTypeSourceInfo()) {
849 if (Visit(TInfo->getTypeLoc()))
853 // Visit the initializer value.
854 if (Expr *Initializer = Init->getInit())
855 if (Visit(MakeCXCursor(Initializer, ND, TU, RegionOfInterest)))
860 if (Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest)))
867 bool CursorVisitor::VisitFieldDecl(FieldDecl *D) {
868 if (VisitDeclaratorDecl(D))
871 if (Expr *BitWidth = D->getBitWidth())
872 return Visit(MakeCXCursor(BitWidth, StmtParent, TU, RegionOfInterest));
877 bool CursorVisitor::VisitVarDecl(VarDecl *D) {
878 if (VisitDeclaratorDecl(D))
881 if (Expr *Init = D->getInit())
882 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
887 bool CursorVisitor::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
888 if (VisitDeclaratorDecl(D))
891 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
892 if (Expr *DefArg = D->getDefaultArgument())
893 return Visit(MakeCXCursor(DefArg, StmtParent, TU, RegionOfInterest));
898 bool CursorVisitor::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
899 // FIXME: Visit the "outer" template parameter lists on the FunctionDecl
900 // before visiting these template parameters.
901 if (VisitTemplateParameters(D->getTemplateParameters()))
904 return VisitFunctionDecl(D->getTemplatedDecl());
907 bool CursorVisitor::VisitClassTemplateDecl(ClassTemplateDecl *D) {
908 // FIXME: Visit the "outer" template parameter lists on the TagDecl
909 // before visiting these template parameters.
910 if (VisitTemplateParameters(D->getTemplateParameters()))
913 return VisitCXXRecordDecl(D->getTemplatedDecl());
916 bool CursorVisitor::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
917 if (VisitTemplateParameters(D->getTemplateParameters()))
920 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited() &&
921 VisitTemplateArgumentLoc(D->getDefaultArgument()))
927 bool CursorVisitor::VisitObjCTypeParamDecl(ObjCTypeParamDecl *D) {
928 // Visit the bound, if it's explicit.
929 if (D->hasExplicitBound()) {
930 if (auto TInfo = D->getTypeSourceInfo()) {
931 if (Visit(TInfo->getTypeLoc()))
939 bool CursorVisitor::VisitObjCMethodDecl(ObjCMethodDecl *ND) {
940 if (TypeSourceInfo *TSInfo = ND->getReturnTypeSourceInfo())
941 if (Visit(TSInfo->getTypeLoc()))
944 for (const auto *P : ND->params()) {
945 if (Visit(MakeCXCursor(P, TU, RegionOfInterest)))
949 if (ND->isThisDeclarationADefinition() &&
950 Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest)))
956 template <typename DeclIt>
957 static void addRangedDeclsInContainer(DeclIt *DI_current, DeclIt DE_current,
958 SourceManager &SM, SourceLocation EndLoc,
959 SmallVectorImpl<Decl *> &Decls) {
960 DeclIt next = *DI_current;
961 while (++next != DE_current) {
962 Decl *D_next = *next;
965 SourceLocation L = D_next->getLocStart();
968 if (SM.isBeforeInTranslationUnit(L, EndLoc)) {
970 Decls.push_back(D_next);
977 bool CursorVisitor::VisitObjCContainerDecl(ObjCContainerDecl *D) {
978 // FIXME: Eventually convert back to just 'VisitDeclContext()'. Essentially
979 // an @implementation can lexically contain Decls that are not properly
980 // nested in the AST. When we identify such cases, we need to retrofit
981 // this nesting here.
982 if (!DI_current && !FileDI_current)
983 return VisitDeclContext(D);
985 // Scan the Decls that immediately come after the container
986 // in the current DeclContext. If any fall within the
987 // container's lexical region, stash them into a vector
988 // for later processing.
989 SmallVector<Decl *, 24> DeclsInContainer;
990 SourceLocation EndLoc = D->getSourceRange().getEnd();
991 SourceManager &SM = AU->getSourceManager();
992 if (EndLoc.isValid()) {
994 addRangedDeclsInContainer(DI_current, DE_current, SM, EndLoc,
997 addRangedDeclsInContainer(FileDI_current, FileDE_current, SM, EndLoc,
1003 if (DeclsInContainer.empty())
1004 return VisitDeclContext(D);
1006 // Get all the Decls in the DeclContext, and sort them with the
1007 // additional ones we've collected. Then visit them.
1008 for (auto *SubDecl : D->decls()) {
1009 if (!SubDecl || SubDecl->getLexicalDeclContext() != D ||
1010 SubDecl->getLocStart().isInvalid())
1012 DeclsInContainer.push_back(SubDecl);
1015 // Now sort the Decls so that they appear in lexical order.
1016 std::sort(DeclsInContainer.begin(), DeclsInContainer.end(),
1017 [&SM](Decl *A, Decl *B) {
1018 SourceLocation L_A = A->getLocStart();
1019 SourceLocation L_B = B->getLocStart();
1020 assert(L_A.isValid() && L_B.isValid());
1021 return SM.isBeforeInTranslationUnit(L_A, L_B);
1024 // Now visit the decls.
1025 for (SmallVectorImpl<Decl*>::iterator I = DeclsInContainer.begin(),
1026 E = DeclsInContainer.end(); I != E; ++I) {
1027 CXCursor Cursor = MakeCXCursor(*I, TU, RegionOfInterest);
1028 const Optional<bool> &V = shouldVisitCursor(Cursor);
1033 if (Visit(Cursor, true))
1039 bool CursorVisitor::VisitObjCCategoryDecl(ObjCCategoryDecl *ND) {
1040 if (Visit(MakeCursorObjCClassRef(ND->getClassInterface(), ND->getLocation(),
1044 if (VisitObjCTypeParamList(ND->getTypeParamList()))
1047 ObjCCategoryDecl::protocol_loc_iterator PL = ND->protocol_loc_begin();
1048 for (ObjCCategoryDecl::protocol_iterator I = ND->protocol_begin(),
1049 E = ND->protocol_end(); I != E; ++I, ++PL)
1050 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1053 return VisitObjCContainerDecl(ND);
1056 bool CursorVisitor::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
1057 if (!PID->isThisDeclarationADefinition())
1058 return Visit(MakeCursorObjCProtocolRef(PID, PID->getLocation(), TU));
1060 ObjCProtocolDecl::protocol_loc_iterator PL = PID->protocol_loc_begin();
1061 for (ObjCProtocolDecl::protocol_iterator I = PID->protocol_begin(),
1062 E = PID->protocol_end(); I != E; ++I, ++PL)
1063 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1066 return VisitObjCContainerDecl(PID);
1069 bool CursorVisitor::VisitObjCPropertyDecl(ObjCPropertyDecl *PD) {
1070 if (PD->getTypeSourceInfo() && Visit(PD->getTypeSourceInfo()->getTypeLoc()))
1073 // FIXME: This implements a workaround with @property declarations also being
1074 // installed in the DeclContext for the @interface. Eventually this code
1075 // should be removed.
1076 ObjCCategoryDecl *CDecl = dyn_cast<ObjCCategoryDecl>(PD->getDeclContext());
1077 if (!CDecl || !CDecl->IsClassExtension())
1080 ObjCInterfaceDecl *ID = CDecl->getClassInterface();
1084 IdentifierInfo *PropertyId = PD->getIdentifier();
1085 ObjCPropertyDecl *prevDecl =
1086 ObjCPropertyDecl::findPropertyDecl(cast<DeclContext>(ID), PropertyId);
1091 // Visit synthesized methods since they will be skipped when visiting
1093 if (ObjCMethodDecl *MD = prevDecl->getGetterMethodDecl())
1094 if (MD->isPropertyAccessor() && MD->getLexicalDeclContext() == CDecl)
1095 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
1098 if (ObjCMethodDecl *MD = prevDecl->getSetterMethodDecl())
1099 if (MD->isPropertyAccessor() && MD->getLexicalDeclContext() == CDecl)
1100 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
1106 bool CursorVisitor::VisitObjCTypeParamList(ObjCTypeParamList *typeParamList) {
1110 for (auto *typeParam : *typeParamList) {
1111 // Visit the type parameter.
1112 if (Visit(MakeCXCursor(typeParam, TU, RegionOfInterest)))
1119 bool CursorVisitor::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) {
1120 if (!D->isThisDeclarationADefinition()) {
1121 // Forward declaration is treated like a reference.
1122 return Visit(MakeCursorObjCClassRef(D, D->getLocation(), TU));
1125 // Objective-C type parameters.
1126 if (VisitObjCTypeParamList(D->getTypeParamListAsWritten()))
1129 // Issue callbacks for super class.
1130 if (D->getSuperClass() &&
1131 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1132 D->getSuperClassLoc(),
1136 if (TypeSourceInfo *SuperClassTInfo = D->getSuperClassTInfo())
1137 if (Visit(SuperClassTInfo->getTypeLoc()))
1140 ObjCInterfaceDecl::protocol_loc_iterator PL = D->protocol_loc_begin();
1141 for (ObjCInterfaceDecl::protocol_iterator I = D->protocol_begin(),
1142 E = D->protocol_end(); I != E; ++I, ++PL)
1143 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1146 return VisitObjCContainerDecl(D);
1149 bool CursorVisitor::VisitObjCImplDecl(ObjCImplDecl *D) {
1150 return VisitObjCContainerDecl(D);
1153 bool CursorVisitor::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
1154 // 'ID' could be null when dealing with invalid code.
1155 if (ObjCInterfaceDecl *ID = D->getClassInterface())
1156 if (Visit(MakeCursorObjCClassRef(ID, D->getLocation(), TU)))
1159 return VisitObjCImplDecl(D);
1162 bool CursorVisitor::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
1164 // Issue callbacks for super class.
1165 // FIXME: No source location information!
1166 if (D->getSuperClass() &&
1167 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1168 D->getSuperClassLoc(),
1173 return VisitObjCImplDecl(D);
1176 bool CursorVisitor::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PD) {
1177 if (ObjCIvarDecl *Ivar = PD->getPropertyIvarDecl())
1178 if (PD->isIvarNameSpecified())
1179 return Visit(MakeCursorMemberRef(Ivar, PD->getPropertyIvarDeclLoc(), TU));
1184 bool CursorVisitor::VisitNamespaceDecl(NamespaceDecl *D) {
1185 return VisitDeclContext(D);
1188 bool CursorVisitor::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
1189 // Visit nested-name-specifier.
1190 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1191 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1194 return Visit(MakeCursorNamespaceRef(D->getAliasedNamespace(),
1195 D->getTargetNameLoc(), TU));
1198 bool CursorVisitor::VisitUsingDecl(UsingDecl *D) {
1199 // Visit nested-name-specifier.
1200 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1201 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1205 if (Visit(MakeCursorOverloadedDeclRef(D, D->getLocation(), TU)))
1208 return VisitDeclarationNameInfo(D->getNameInfo());
1211 bool CursorVisitor::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
1212 // Visit nested-name-specifier.
1213 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1214 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1217 return Visit(MakeCursorNamespaceRef(D->getNominatedNamespaceAsWritten(),
1218 D->getIdentLocation(), TU));
1221 bool CursorVisitor::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
1222 // Visit nested-name-specifier.
1223 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1224 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1228 return VisitDeclarationNameInfo(D->getNameInfo());
1231 bool CursorVisitor::VisitUnresolvedUsingTypenameDecl(
1232 UnresolvedUsingTypenameDecl *D) {
1233 // Visit nested-name-specifier.
1234 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1235 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1241 bool CursorVisitor::VisitDeclarationNameInfo(DeclarationNameInfo Name) {
1242 switch (Name.getName().getNameKind()) {
1243 case clang::DeclarationName::Identifier:
1244 case clang::DeclarationName::CXXLiteralOperatorName:
1245 case clang::DeclarationName::CXXOperatorName:
1246 case clang::DeclarationName::CXXUsingDirective:
1249 case clang::DeclarationName::CXXConstructorName:
1250 case clang::DeclarationName::CXXDestructorName:
1251 case clang::DeclarationName::CXXConversionFunctionName:
1252 if (TypeSourceInfo *TSInfo = Name.getNamedTypeInfo())
1253 return Visit(TSInfo->getTypeLoc());
1256 case clang::DeclarationName::ObjCZeroArgSelector:
1257 case clang::DeclarationName::ObjCOneArgSelector:
1258 case clang::DeclarationName::ObjCMultiArgSelector:
1259 // FIXME: Per-identifier location info?
1263 llvm_unreachable("Invalid DeclarationName::Kind!");
1266 bool CursorVisitor::VisitNestedNameSpecifier(NestedNameSpecifier *NNS,
1267 SourceRange Range) {
1268 // FIXME: This whole routine is a hack to work around the lack of proper
1269 // source information in nested-name-specifiers (PR5791). Since we do have
1270 // a beginning source location, we can visit the first component of the
1271 // nested-name-specifier, if it's a single-token component.
1275 // Get the first component in the nested-name-specifier.
1276 while (NestedNameSpecifier *Prefix = NNS->getPrefix())
1279 switch (NNS->getKind()) {
1280 case NestedNameSpecifier::Namespace:
1281 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(), Range.getBegin(),
1284 case NestedNameSpecifier::NamespaceAlias:
1285 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1286 Range.getBegin(), TU));
1288 case NestedNameSpecifier::TypeSpec: {
1289 // If the type has a form where we know that the beginning of the source
1290 // range matches up with a reference cursor. Visit the appropriate reference
1292 const Type *T = NNS->getAsType();
1293 if (const TypedefType *Typedef = dyn_cast<TypedefType>(T))
1294 return Visit(MakeCursorTypeRef(Typedef->getDecl(), Range.getBegin(), TU));
1295 if (const TagType *Tag = dyn_cast<TagType>(T))
1296 return Visit(MakeCursorTypeRef(Tag->getDecl(), Range.getBegin(), TU));
1297 if (const TemplateSpecializationType *TST
1298 = dyn_cast<TemplateSpecializationType>(T))
1299 return VisitTemplateName(TST->getTemplateName(), Range.getBegin());
1303 case NestedNameSpecifier::TypeSpecWithTemplate:
1304 case NestedNameSpecifier::Global:
1305 case NestedNameSpecifier::Identifier:
1306 case NestedNameSpecifier::Super:
1314 CursorVisitor::VisitNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1315 SmallVector<NestedNameSpecifierLoc, 4> Qualifiers;
1316 for (; Qualifier; Qualifier = Qualifier.getPrefix())
1317 Qualifiers.push_back(Qualifier);
1319 while (!Qualifiers.empty()) {
1320 NestedNameSpecifierLoc Q = Qualifiers.pop_back_val();
1321 NestedNameSpecifier *NNS = Q.getNestedNameSpecifier();
1322 switch (NNS->getKind()) {
1323 case NestedNameSpecifier::Namespace:
1324 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(),
1325 Q.getLocalBeginLoc(),
1331 case NestedNameSpecifier::NamespaceAlias:
1332 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1333 Q.getLocalBeginLoc(),
1339 case NestedNameSpecifier::TypeSpec:
1340 case NestedNameSpecifier::TypeSpecWithTemplate:
1341 if (Visit(Q.getTypeLoc()))
1346 case NestedNameSpecifier::Global:
1347 case NestedNameSpecifier::Identifier:
1348 case NestedNameSpecifier::Super:
1356 bool CursorVisitor::VisitTemplateParameters(
1357 const TemplateParameterList *Params) {
1361 for (TemplateParameterList::const_iterator P = Params->begin(),
1362 PEnd = Params->end();
1364 if (Visit(MakeCXCursor(*P, TU, RegionOfInterest)))
1371 bool CursorVisitor::VisitTemplateName(TemplateName Name, SourceLocation Loc) {
1372 switch (Name.getKind()) {
1373 case TemplateName::Template:
1374 return Visit(MakeCursorTemplateRef(Name.getAsTemplateDecl(), Loc, TU));
1376 case TemplateName::OverloadedTemplate:
1377 // Visit the overloaded template set.
1378 if (Visit(MakeCursorOverloadedDeclRef(Name, Loc, TU)))
1383 case TemplateName::DependentTemplate:
1384 // FIXME: Visit nested-name-specifier.
1387 case TemplateName::QualifiedTemplate:
1388 // FIXME: Visit nested-name-specifier.
1389 return Visit(MakeCursorTemplateRef(
1390 Name.getAsQualifiedTemplateName()->getDecl(),
1393 case TemplateName::SubstTemplateTemplateParm:
1394 return Visit(MakeCursorTemplateRef(
1395 Name.getAsSubstTemplateTemplateParm()->getParameter(),
1398 case TemplateName::SubstTemplateTemplateParmPack:
1399 return Visit(MakeCursorTemplateRef(
1400 Name.getAsSubstTemplateTemplateParmPack()->getParameterPack(),
1404 llvm_unreachable("Invalid TemplateName::Kind!");
1407 bool CursorVisitor::VisitTemplateArgumentLoc(const TemplateArgumentLoc &TAL) {
1408 switch (TAL.getArgument().getKind()) {
1409 case TemplateArgument::Null:
1410 case TemplateArgument::Integral:
1411 case TemplateArgument::Pack:
1414 case TemplateArgument::Type:
1415 if (TypeSourceInfo *TSInfo = TAL.getTypeSourceInfo())
1416 return Visit(TSInfo->getTypeLoc());
1419 case TemplateArgument::Declaration:
1420 if (Expr *E = TAL.getSourceDeclExpression())
1421 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1424 case TemplateArgument::NullPtr:
1425 if (Expr *E = TAL.getSourceNullPtrExpression())
1426 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1429 case TemplateArgument::Expression:
1430 if (Expr *E = TAL.getSourceExpression())
1431 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1434 case TemplateArgument::Template:
1435 case TemplateArgument::TemplateExpansion:
1436 if (VisitNestedNameSpecifierLoc(TAL.getTemplateQualifierLoc()))
1439 return VisitTemplateName(TAL.getArgument().getAsTemplateOrTemplatePattern(),
1440 TAL.getTemplateNameLoc());
1443 llvm_unreachable("Invalid TemplateArgument::Kind!");
1446 bool CursorVisitor::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
1447 return VisitDeclContext(D);
1450 bool CursorVisitor::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) {
1451 return Visit(TL.getUnqualifiedLoc());
1454 bool CursorVisitor::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) {
1455 ASTContext &Context = AU->getASTContext();
1457 // Some builtin types (such as Objective-C's "id", "sel", and
1458 // "Class") have associated declarations. Create cursors for those.
1460 switch (TL.getTypePtr()->getKind()) {
1462 case BuiltinType::Void:
1463 case BuiltinType::NullPtr:
1464 case BuiltinType::Dependent:
1465 case BuiltinType::OCLImage1d:
1466 case BuiltinType::OCLImage1dArray:
1467 case BuiltinType::OCLImage1dBuffer:
1468 case BuiltinType::OCLImage2d:
1469 case BuiltinType::OCLImage2dArray:
1470 case BuiltinType::OCLImage2dDepth:
1471 case BuiltinType::OCLImage2dArrayDepth:
1472 case BuiltinType::OCLImage2dMSAA:
1473 case BuiltinType::OCLImage2dArrayMSAA:
1474 case BuiltinType::OCLImage2dMSAADepth:
1475 case BuiltinType::OCLImage2dArrayMSAADepth:
1476 case BuiltinType::OCLImage3d:
1477 case BuiltinType::OCLSampler:
1478 case BuiltinType::OCLEvent:
1479 case BuiltinType::OCLClkEvent:
1480 case BuiltinType::OCLQueue:
1481 case BuiltinType::OCLNDRange:
1482 case BuiltinType::OCLReserveID:
1483 #define BUILTIN_TYPE(Id, SingletonId)
1484 #define SIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1485 #define UNSIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1486 #define FLOATING_TYPE(Id, SingletonId) case BuiltinType::Id:
1487 #define PLACEHOLDER_TYPE(Id, SingletonId) case BuiltinType::Id:
1488 #include "clang/AST/BuiltinTypes.def"
1491 case BuiltinType::ObjCId:
1492 VisitType = Context.getObjCIdType();
1495 case BuiltinType::ObjCClass:
1496 VisitType = Context.getObjCClassType();
1499 case BuiltinType::ObjCSel:
1500 VisitType = Context.getObjCSelType();
1504 if (!VisitType.isNull()) {
1505 if (const TypedefType *Typedef = VisitType->getAs<TypedefType>())
1506 return Visit(MakeCursorTypeRef(Typedef->getDecl(), TL.getBuiltinLoc(),
1513 bool CursorVisitor::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
1514 return Visit(MakeCursorTypeRef(TL.getTypedefNameDecl(), TL.getNameLoc(), TU));
1517 bool CursorVisitor::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
1518 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1521 bool CursorVisitor::VisitTagTypeLoc(TagTypeLoc TL) {
1522 if (TL.isDefinition())
1523 return Visit(MakeCXCursor(TL.getDecl(), TU, RegionOfInterest));
1525 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1528 bool CursorVisitor::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
1529 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1532 bool CursorVisitor::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
1533 return Visit(MakeCursorObjCClassRef(TL.getIFaceDecl(), TL.getNameLoc(), TU));
1536 bool CursorVisitor::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
1537 if (TL.hasBaseTypeAsWritten() && Visit(TL.getBaseLoc()))
1540 for (unsigned I = 0, N = TL.getNumTypeArgs(); I != N; ++I) {
1541 if (Visit(TL.getTypeArgTInfo(I)->getTypeLoc()))
1545 for (unsigned I = 0, N = TL.getNumProtocols(); I != N; ++I) {
1546 if (Visit(MakeCursorObjCProtocolRef(TL.getProtocol(I), TL.getProtocolLoc(I),
1554 bool CursorVisitor::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
1555 return Visit(TL.getPointeeLoc());
1558 bool CursorVisitor::VisitParenTypeLoc(ParenTypeLoc TL) {
1559 return Visit(TL.getInnerLoc());
1562 bool CursorVisitor::VisitPointerTypeLoc(PointerTypeLoc TL) {
1563 return Visit(TL.getPointeeLoc());
1566 bool CursorVisitor::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
1567 return Visit(TL.getPointeeLoc());
1570 bool CursorVisitor::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
1571 return Visit(TL.getPointeeLoc());
1574 bool CursorVisitor::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
1575 return Visit(TL.getPointeeLoc());
1578 bool CursorVisitor::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
1579 return Visit(TL.getPointeeLoc());
1582 bool CursorVisitor::VisitAttributedTypeLoc(AttributedTypeLoc TL) {
1583 return Visit(TL.getModifiedLoc());
1586 bool CursorVisitor::VisitFunctionTypeLoc(FunctionTypeLoc TL,
1587 bool SkipResultType) {
1588 if (!SkipResultType && Visit(TL.getReturnLoc()))
1591 for (unsigned I = 0, N = TL.getNumParams(); I != N; ++I)
1592 if (Decl *D = TL.getParam(I))
1593 if (Visit(MakeCXCursor(D, TU, RegionOfInterest)))
1599 bool CursorVisitor::VisitArrayTypeLoc(ArrayTypeLoc TL) {
1600 if (Visit(TL.getElementLoc()))
1603 if (Expr *Size = TL.getSizeExpr())
1604 return Visit(MakeCXCursor(Size, StmtParent, TU, RegionOfInterest));
1609 bool CursorVisitor::VisitDecayedTypeLoc(DecayedTypeLoc TL) {
1610 return Visit(TL.getOriginalLoc());
1613 bool CursorVisitor::VisitAdjustedTypeLoc(AdjustedTypeLoc TL) {
1614 return Visit(TL.getOriginalLoc());
1617 bool CursorVisitor::VisitTemplateSpecializationTypeLoc(
1618 TemplateSpecializationTypeLoc TL) {
1619 // Visit the template name.
1620 if (VisitTemplateName(TL.getTypePtr()->getTemplateName(),
1621 TL.getTemplateNameLoc()))
1624 // Visit the template arguments.
1625 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1626 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1632 bool CursorVisitor::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
1633 return Visit(MakeCXCursor(TL.getUnderlyingExpr(), StmtParent, TU));
1636 bool CursorVisitor::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
1637 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1638 return Visit(TSInfo->getTypeLoc());
1643 bool CursorVisitor::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) {
1644 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1645 return Visit(TSInfo->getTypeLoc());
1650 bool CursorVisitor::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) {
1651 return VisitNestedNameSpecifierLoc(TL.getQualifierLoc());
1654 bool CursorVisitor::VisitDependentTemplateSpecializationTypeLoc(
1655 DependentTemplateSpecializationTypeLoc TL) {
1656 // Visit the nested-name-specifier, if there is one.
1657 if (TL.getQualifierLoc() &&
1658 VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1661 // Visit the template arguments.
1662 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1663 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1669 bool CursorVisitor::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
1670 if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1673 return Visit(TL.getNamedTypeLoc());
1676 bool CursorVisitor::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) {
1677 return Visit(TL.getPatternLoc());
1680 bool CursorVisitor::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
1681 if (Expr *E = TL.getUnderlyingExpr())
1682 return Visit(MakeCXCursor(E, StmtParent, TU));
1687 bool CursorVisitor::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) {
1688 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1691 bool CursorVisitor::VisitAtomicTypeLoc(AtomicTypeLoc TL) {
1692 return Visit(TL.getValueLoc());
1695 #define DEFAULT_TYPELOC_IMPL(CLASS, PARENT) \
1696 bool CursorVisitor::Visit##CLASS##TypeLoc(CLASS##TypeLoc TL) { \
1697 return Visit##PARENT##Loc(TL); \
1700 DEFAULT_TYPELOC_IMPL(Complex, Type)
1701 DEFAULT_TYPELOC_IMPL(ConstantArray, ArrayType)
1702 DEFAULT_TYPELOC_IMPL(IncompleteArray, ArrayType)
1703 DEFAULT_TYPELOC_IMPL(VariableArray, ArrayType)
1704 DEFAULT_TYPELOC_IMPL(DependentSizedArray, ArrayType)
1705 DEFAULT_TYPELOC_IMPL(DependentSizedExtVector, Type)
1706 DEFAULT_TYPELOC_IMPL(Vector, Type)
1707 DEFAULT_TYPELOC_IMPL(ExtVector, VectorType)
1708 DEFAULT_TYPELOC_IMPL(FunctionProto, FunctionType)
1709 DEFAULT_TYPELOC_IMPL(FunctionNoProto, FunctionType)
1710 DEFAULT_TYPELOC_IMPL(Record, TagType)
1711 DEFAULT_TYPELOC_IMPL(Enum, TagType)
1712 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParm, Type)
1713 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParmPack, Type)
1714 DEFAULT_TYPELOC_IMPL(Auto, Type)
1716 bool CursorVisitor::VisitCXXRecordDecl(CXXRecordDecl *D) {
1717 // Visit the nested-name-specifier, if present.
1718 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1719 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1722 if (D->isCompleteDefinition()) {
1723 for (const auto &I : D->bases()) {
1724 if (Visit(cxcursor::MakeCursorCXXBaseSpecifier(&I, TU)))
1729 return VisitTagDecl(D);
1732 bool CursorVisitor::VisitAttributes(Decl *D) {
1733 for (const auto *I : D->attrs())
1734 if (Visit(MakeCXCursor(I, D, TU)))
1740 //===----------------------------------------------------------------------===//
1741 // Data-recursive visitor methods.
1742 //===----------------------------------------------------------------------===//
1745 #define DEF_JOB(NAME, DATA, KIND)\
1746 class NAME : public VisitorJob {\
1748 NAME(const DATA *d, CXCursor parent) : \
1749 VisitorJob(parent, VisitorJob::KIND, d) {} \
1750 static bool classof(const VisitorJob *VJ) { return VJ->getKind() == KIND; }\
1751 const DATA *get() const { return static_cast<const DATA*>(data[0]); }\
1754 DEF_JOB(StmtVisit, Stmt, StmtVisitKind)
1755 DEF_JOB(MemberExprParts, MemberExpr, MemberExprPartsKind)
1756 DEF_JOB(DeclRefExprParts, DeclRefExpr, DeclRefExprPartsKind)
1757 DEF_JOB(OverloadExprParts, OverloadExpr, OverloadExprPartsKind)
1758 DEF_JOB(ExplicitTemplateArgsVisit, ASTTemplateArgumentListInfo,
1759 ExplicitTemplateArgsVisitKind)
1760 DEF_JOB(SizeOfPackExprParts, SizeOfPackExpr, SizeOfPackExprPartsKind)
1761 DEF_JOB(LambdaExprParts, LambdaExpr, LambdaExprPartsKind)
1762 DEF_JOB(PostChildrenVisit, void, PostChildrenVisitKind)
1765 class DeclVisit : public VisitorJob {
1767 DeclVisit(const Decl *D, CXCursor parent, bool isFirst) :
1768 VisitorJob(parent, VisitorJob::DeclVisitKind,
1769 D, isFirst ? (void*) 1 : (void*) nullptr) {}
1770 static bool classof(const VisitorJob *VJ) {
1771 return VJ->getKind() == DeclVisitKind;
1773 const Decl *get() const { return static_cast<const Decl *>(data[0]); }
1774 bool isFirst() const { return data[1] != nullptr; }
1776 class TypeLocVisit : public VisitorJob {
1778 TypeLocVisit(TypeLoc tl, CXCursor parent) :
1779 VisitorJob(parent, VisitorJob::TypeLocVisitKind,
1780 tl.getType().getAsOpaquePtr(), tl.getOpaqueData()) {}
1782 static bool classof(const VisitorJob *VJ) {
1783 return VJ->getKind() == TypeLocVisitKind;
1786 TypeLoc get() const {
1787 QualType T = QualType::getFromOpaquePtr(data[0]);
1788 return TypeLoc(T, const_cast<void *>(data[1]));
1792 class LabelRefVisit : public VisitorJob {
1794 LabelRefVisit(LabelDecl *LD, SourceLocation labelLoc, CXCursor parent)
1795 : VisitorJob(parent, VisitorJob::LabelRefVisitKind, LD,
1796 labelLoc.getPtrEncoding()) {}
1798 static bool classof(const VisitorJob *VJ) {
1799 return VJ->getKind() == VisitorJob::LabelRefVisitKind;
1801 const LabelDecl *get() const {
1802 return static_cast<const LabelDecl *>(data[0]);
1804 SourceLocation getLoc() const {
1805 return SourceLocation::getFromPtrEncoding(data[1]); }
1808 class NestedNameSpecifierLocVisit : public VisitorJob {
1810 NestedNameSpecifierLocVisit(NestedNameSpecifierLoc Qualifier, CXCursor parent)
1811 : VisitorJob(parent, VisitorJob::NestedNameSpecifierLocVisitKind,
1812 Qualifier.getNestedNameSpecifier(),
1813 Qualifier.getOpaqueData()) { }
1815 static bool classof(const VisitorJob *VJ) {
1816 return VJ->getKind() == VisitorJob::NestedNameSpecifierLocVisitKind;
1819 NestedNameSpecifierLoc get() const {
1820 return NestedNameSpecifierLoc(
1821 const_cast<NestedNameSpecifier *>(
1822 static_cast<const NestedNameSpecifier *>(data[0])),
1823 const_cast<void *>(data[1]));
1827 class DeclarationNameInfoVisit : public VisitorJob {
1829 DeclarationNameInfoVisit(const Stmt *S, CXCursor parent)
1830 : VisitorJob(parent, VisitorJob::DeclarationNameInfoVisitKind, S) {}
1831 static bool classof(const VisitorJob *VJ) {
1832 return VJ->getKind() == VisitorJob::DeclarationNameInfoVisitKind;
1834 DeclarationNameInfo get() const {
1835 const Stmt *S = static_cast<const Stmt *>(data[0]);
1836 switch (S->getStmtClass()) {
1838 llvm_unreachable("Unhandled Stmt");
1839 case clang::Stmt::MSDependentExistsStmtClass:
1840 return cast<MSDependentExistsStmt>(S)->getNameInfo();
1841 case Stmt::CXXDependentScopeMemberExprClass:
1842 return cast<CXXDependentScopeMemberExpr>(S)->getMemberNameInfo();
1843 case Stmt::DependentScopeDeclRefExprClass:
1844 return cast<DependentScopeDeclRefExpr>(S)->getNameInfo();
1845 case Stmt::OMPCriticalDirectiveClass:
1846 return cast<OMPCriticalDirective>(S)->getDirectiveName();
1850 class MemberRefVisit : public VisitorJob {
1852 MemberRefVisit(const FieldDecl *D, SourceLocation L, CXCursor parent)
1853 : VisitorJob(parent, VisitorJob::MemberRefVisitKind, D,
1854 L.getPtrEncoding()) {}
1855 static bool classof(const VisitorJob *VJ) {
1856 return VJ->getKind() == VisitorJob::MemberRefVisitKind;
1858 const FieldDecl *get() const {
1859 return static_cast<const FieldDecl *>(data[0]);
1861 SourceLocation getLoc() const {
1862 return SourceLocation::getFromRawEncoding((unsigned)(uintptr_t) data[1]);
1865 class EnqueueVisitor : public ConstStmtVisitor<EnqueueVisitor, void> {
1866 friend class OMPClauseEnqueue;
1867 VisitorWorkList &WL;
1870 EnqueueVisitor(VisitorWorkList &wl, CXCursor parent)
1871 : WL(wl), Parent(parent) {}
1873 void VisitAddrLabelExpr(const AddrLabelExpr *E);
1874 void VisitBlockExpr(const BlockExpr *B);
1875 void VisitCompoundLiteralExpr(const CompoundLiteralExpr *E);
1876 void VisitCompoundStmt(const CompoundStmt *S);
1877 void VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *E) { /* Do nothing. */ }
1878 void VisitMSDependentExistsStmt(const MSDependentExistsStmt *S);
1879 void VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E);
1880 void VisitCXXNewExpr(const CXXNewExpr *E);
1881 void VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *E);
1882 void VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *E);
1883 void VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *E);
1884 void VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *E);
1885 void VisitCXXTypeidExpr(const CXXTypeidExpr *E);
1886 void VisitCXXUnresolvedConstructExpr(const CXXUnresolvedConstructExpr *E);
1887 void VisitCXXUuidofExpr(const CXXUuidofExpr *E);
1888 void VisitCXXCatchStmt(const CXXCatchStmt *S);
1889 void VisitCXXForRangeStmt(const CXXForRangeStmt *S);
1890 void VisitDeclRefExpr(const DeclRefExpr *D);
1891 void VisitDeclStmt(const DeclStmt *S);
1892 void VisitDependentScopeDeclRefExpr(const DependentScopeDeclRefExpr *E);
1893 void VisitDesignatedInitExpr(const DesignatedInitExpr *E);
1894 void VisitExplicitCastExpr(const ExplicitCastExpr *E);
1895 void VisitForStmt(const ForStmt *FS);
1896 void VisitGotoStmt(const GotoStmt *GS);
1897 void VisitIfStmt(const IfStmt *If);
1898 void VisitInitListExpr(const InitListExpr *IE);
1899 void VisitMemberExpr(const MemberExpr *M);
1900 void VisitOffsetOfExpr(const OffsetOfExpr *E);
1901 void VisitObjCEncodeExpr(const ObjCEncodeExpr *E);
1902 void VisitObjCMessageExpr(const ObjCMessageExpr *M);
1903 void VisitOverloadExpr(const OverloadExpr *E);
1904 void VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *E);
1905 void VisitStmt(const Stmt *S);
1906 void VisitSwitchStmt(const SwitchStmt *S);
1907 void VisitWhileStmt(const WhileStmt *W);
1908 void VisitTypeTraitExpr(const TypeTraitExpr *E);
1909 void VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E);
1910 void VisitExpressionTraitExpr(const ExpressionTraitExpr *E);
1911 void VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U);
1912 void VisitVAArgExpr(const VAArgExpr *E);
1913 void VisitSizeOfPackExpr(const SizeOfPackExpr *E);
1914 void VisitPseudoObjectExpr(const PseudoObjectExpr *E);
1915 void VisitOpaqueValueExpr(const OpaqueValueExpr *E);
1916 void VisitLambdaExpr(const LambdaExpr *E);
1917 void VisitOMPExecutableDirective(const OMPExecutableDirective *D);
1918 void VisitOMPLoopDirective(const OMPLoopDirective *D);
1919 void VisitOMPParallelDirective(const OMPParallelDirective *D);
1920 void VisitOMPSimdDirective(const OMPSimdDirective *D);
1921 void VisitOMPForDirective(const OMPForDirective *D);
1922 void VisitOMPForSimdDirective(const OMPForSimdDirective *D);
1923 void VisitOMPSectionsDirective(const OMPSectionsDirective *D);
1924 void VisitOMPSectionDirective(const OMPSectionDirective *D);
1925 void VisitOMPSingleDirective(const OMPSingleDirective *D);
1926 void VisitOMPMasterDirective(const OMPMasterDirective *D);
1927 void VisitOMPCriticalDirective(const OMPCriticalDirective *D);
1928 void VisitOMPParallelForDirective(const OMPParallelForDirective *D);
1929 void VisitOMPParallelForSimdDirective(const OMPParallelForSimdDirective *D);
1930 void VisitOMPParallelSectionsDirective(const OMPParallelSectionsDirective *D);
1931 void VisitOMPTaskDirective(const OMPTaskDirective *D);
1932 void VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D);
1933 void VisitOMPBarrierDirective(const OMPBarrierDirective *D);
1934 void VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D);
1935 void VisitOMPTaskgroupDirective(const OMPTaskgroupDirective *D);
1937 VisitOMPCancellationPointDirective(const OMPCancellationPointDirective *D);
1938 void VisitOMPCancelDirective(const OMPCancelDirective *D);
1939 void VisitOMPFlushDirective(const OMPFlushDirective *D);
1940 void VisitOMPOrderedDirective(const OMPOrderedDirective *D);
1941 void VisitOMPAtomicDirective(const OMPAtomicDirective *D);
1942 void VisitOMPTargetDirective(const OMPTargetDirective *D);
1943 void VisitOMPTargetDataDirective(const OMPTargetDataDirective *D);
1944 void VisitOMPTeamsDirective(const OMPTeamsDirective *D);
1945 void VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *D);
1946 void VisitOMPTaskLoopSimdDirective(const OMPTaskLoopSimdDirective *D);
1949 void AddDeclarationNameInfo(const Stmt *S);
1950 void AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier);
1951 void AddExplicitTemplateArgs(const ASTTemplateArgumentListInfo *A);
1952 void AddMemberRef(const FieldDecl *D, SourceLocation L);
1953 void AddStmt(const Stmt *S);
1954 void AddDecl(const Decl *D, bool isFirst = true);
1955 void AddTypeLoc(TypeSourceInfo *TI);
1956 void EnqueueChildren(const Stmt *S);
1957 void EnqueueChildren(const OMPClause *S);
1959 } // end anonyous namespace
1961 void EnqueueVisitor::AddDeclarationNameInfo(const Stmt *S) {
1962 // 'S' should always be non-null, since it comes from the
1963 // statement we are visiting.
1964 WL.push_back(DeclarationNameInfoVisit(S, Parent));
1968 EnqueueVisitor::AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1970 WL.push_back(NestedNameSpecifierLocVisit(Qualifier, Parent));
1973 void EnqueueVisitor::AddStmt(const Stmt *S) {
1975 WL.push_back(StmtVisit(S, Parent));
1977 void EnqueueVisitor::AddDecl(const Decl *D, bool isFirst) {
1979 WL.push_back(DeclVisit(D, Parent, isFirst));
1981 void EnqueueVisitor::
1982 AddExplicitTemplateArgs(const ASTTemplateArgumentListInfo *A) {
1984 WL.push_back(ExplicitTemplateArgsVisit(A, Parent));
1986 void EnqueueVisitor::AddMemberRef(const FieldDecl *D, SourceLocation L) {
1988 WL.push_back(MemberRefVisit(D, L, Parent));
1990 void EnqueueVisitor::AddTypeLoc(TypeSourceInfo *TI) {
1992 WL.push_back(TypeLocVisit(TI->getTypeLoc(), Parent));
1994 void EnqueueVisitor::EnqueueChildren(const Stmt *S) {
1995 unsigned size = WL.size();
1996 for (const Stmt *SubStmt : S->children()) {
1999 if (size == WL.size())
2001 // Now reverse the entries we just added. This will match the DFS
2002 // ordering performed by the worklist.
2003 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2007 class OMPClauseEnqueue : public ConstOMPClauseVisitor<OMPClauseEnqueue> {
2008 EnqueueVisitor *Visitor;
2009 /// \brief Process clauses with list of variables.
2010 template <typename T>
2011 void VisitOMPClauseList(T *Node);
2013 OMPClauseEnqueue(EnqueueVisitor *Visitor) : Visitor(Visitor) { }
2014 #define OPENMP_CLAUSE(Name, Class) \
2015 void Visit##Class(const Class *C);
2016 #include "clang/Basic/OpenMPKinds.def"
2019 void OMPClauseEnqueue::VisitOMPIfClause(const OMPIfClause *C) {
2020 Visitor->AddStmt(C->getCondition());
2023 void OMPClauseEnqueue::VisitOMPFinalClause(const OMPFinalClause *C) {
2024 Visitor->AddStmt(C->getCondition());
2027 void OMPClauseEnqueue::VisitOMPNumThreadsClause(const OMPNumThreadsClause *C) {
2028 Visitor->AddStmt(C->getNumThreads());
2031 void OMPClauseEnqueue::VisitOMPSafelenClause(const OMPSafelenClause *C) {
2032 Visitor->AddStmt(C->getSafelen());
2035 void OMPClauseEnqueue::VisitOMPSimdlenClause(const OMPSimdlenClause *C) {
2036 Visitor->AddStmt(C->getSimdlen());
2039 void OMPClauseEnqueue::VisitOMPCollapseClause(const OMPCollapseClause *C) {
2040 Visitor->AddStmt(C->getNumForLoops());
2043 void OMPClauseEnqueue::VisitOMPDefaultClause(const OMPDefaultClause *C) { }
2045 void OMPClauseEnqueue::VisitOMPProcBindClause(const OMPProcBindClause *C) { }
2047 void OMPClauseEnqueue::VisitOMPScheduleClause(const OMPScheduleClause *C) {
2048 Visitor->AddStmt(C->getChunkSize());
2049 Visitor->AddStmt(C->getHelperChunkSize());
2052 void OMPClauseEnqueue::VisitOMPOrderedClause(const OMPOrderedClause *C) {
2053 Visitor->AddStmt(C->getNumForLoops());
2056 void OMPClauseEnqueue::VisitOMPNowaitClause(const OMPNowaitClause *) {}
2058 void OMPClauseEnqueue::VisitOMPUntiedClause(const OMPUntiedClause *) {}
2060 void OMPClauseEnqueue::VisitOMPMergeableClause(const OMPMergeableClause *) {}
2062 void OMPClauseEnqueue::VisitOMPReadClause(const OMPReadClause *) {}
2064 void OMPClauseEnqueue::VisitOMPWriteClause(const OMPWriteClause *) {}
2066 void OMPClauseEnqueue::VisitOMPUpdateClause(const OMPUpdateClause *) {}
2068 void OMPClauseEnqueue::VisitOMPCaptureClause(const OMPCaptureClause *) {}
2070 void OMPClauseEnqueue::VisitOMPSeqCstClause(const OMPSeqCstClause *) {}
2072 void OMPClauseEnqueue::VisitOMPThreadsClause(const OMPThreadsClause *) {}
2074 void OMPClauseEnqueue::VisitOMPSIMDClause(const OMPSIMDClause *) {}
2076 void OMPClauseEnqueue::VisitOMPNogroupClause(const OMPNogroupClause *) {}
2078 void OMPClauseEnqueue::VisitOMPDeviceClause(const OMPDeviceClause *C) {
2079 Visitor->AddStmt(C->getDevice());
2082 void OMPClauseEnqueue::VisitOMPNumTeamsClause(const OMPNumTeamsClause *C) {
2083 Visitor->AddStmt(C->getNumTeams());
2086 void OMPClauseEnqueue::VisitOMPThreadLimitClause(const OMPThreadLimitClause *C) {
2087 Visitor->AddStmt(C->getThreadLimit());
2090 void OMPClauseEnqueue::VisitOMPPriorityClause(const OMPPriorityClause *C) {
2091 Visitor->AddStmt(C->getPriority());
2094 void OMPClauseEnqueue::VisitOMPGrainsizeClause(const OMPGrainsizeClause *C) {
2095 Visitor->AddStmt(C->getGrainsize());
2098 void OMPClauseEnqueue::VisitOMPNumTasksClause(const OMPNumTasksClause *C) {
2099 Visitor->AddStmt(C->getNumTasks());
2102 template<typename T>
2103 void OMPClauseEnqueue::VisitOMPClauseList(T *Node) {
2104 for (const auto *I : Node->varlists()) {
2105 Visitor->AddStmt(I);
2109 void OMPClauseEnqueue::VisitOMPPrivateClause(const OMPPrivateClause *C) {
2110 VisitOMPClauseList(C);
2111 for (const auto *E : C->private_copies()) {
2112 Visitor->AddStmt(E);
2115 void OMPClauseEnqueue::VisitOMPFirstprivateClause(
2116 const OMPFirstprivateClause *C) {
2117 VisitOMPClauseList(C);
2119 void OMPClauseEnqueue::VisitOMPLastprivateClause(
2120 const OMPLastprivateClause *C) {
2121 VisitOMPClauseList(C);
2122 for (auto *E : C->private_copies()) {
2123 Visitor->AddStmt(E);
2125 for (auto *E : C->source_exprs()) {
2126 Visitor->AddStmt(E);
2128 for (auto *E : C->destination_exprs()) {
2129 Visitor->AddStmt(E);
2131 for (auto *E : C->assignment_ops()) {
2132 Visitor->AddStmt(E);
2135 void OMPClauseEnqueue::VisitOMPSharedClause(const OMPSharedClause *C) {
2136 VisitOMPClauseList(C);
2138 void OMPClauseEnqueue::VisitOMPReductionClause(const OMPReductionClause *C) {
2139 VisitOMPClauseList(C);
2140 for (auto *E : C->privates()) {
2141 Visitor->AddStmt(E);
2143 for (auto *E : C->lhs_exprs()) {
2144 Visitor->AddStmt(E);
2146 for (auto *E : C->rhs_exprs()) {
2147 Visitor->AddStmt(E);
2149 for (auto *E : C->reduction_ops()) {
2150 Visitor->AddStmt(E);
2153 void OMPClauseEnqueue::VisitOMPLinearClause(const OMPLinearClause *C) {
2154 VisitOMPClauseList(C);
2155 for (const auto *E : C->privates()) {
2156 Visitor->AddStmt(E);
2158 for (const auto *E : C->inits()) {
2159 Visitor->AddStmt(E);
2161 for (const auto *E : C->updates()) {
2162 Visitor->AddStmt(E);
2164 for (const auto *E : C->finals()) {
2165 Visitor->AddStmt(E);
2167 Visitor->AddStmt(C->getStep());
2168 Visitor->AddStmt(C->getCalcStep());
2170 void OMPClauseEnqueue::VisitOMPAlignedClause(const OMPAlignedClause *C) {
2171 VisitOMPClauseList(C);
2172 Visitor->AddStmt(C->getAlignment());
2174 void OMPClauseEnqueue::VisitOMPCopyinClause(const OMPCopyinClause *C) {
2175 VisitOMPClauseList(C);
2176 for (auto *E : C->source_exprs()) {
2177 Visitor->AddStmt(E);
2179 for (auto *E : C->destination_exprs()) {
2180 Visitor->AddStmt(E);
2182 for (auto *E : C->assignment_ops()) {
2183 Visitor->AddStmt(E);
2187 OMPClauseEnqueue::VisitOMPCopyprivateClause(const OMPCopyprivateClause *C) {
2188 VisitOMPClauseList(C);
2189 for (auto *E : C->source_exprs()) {
2190 Visitor->AddStmt(E);
2192 for (auto *E : C->destination_exprs()) {
2193 Visitor->AddStmt(E);
2195 for (auto *E : C->assignment_ops()) {
2196 Visitor->AddStmt(E);
2199 void OMPClauseEnqueue::VisitOMPFlushClause(const OMPFlushClause *C) {
2200 VisitOMPClauseList(C);
2202 void OMPClauseEnqueue::VisitOMPDependClause(const OMPDependClause *C) {
2203 VisitOMPClauseList(C);
2205 void OMPClauseEnqueue::VisitOMPMapClause(const OMPMapClause *C) {
2206 VisitOMPClauseList(C);
2210 void EnqueueVisitor::EnqueueChildren(const OMPClause *S) {
2211 unsigned size = WL.size();
2212 OMPClauseEnqueue Visitor(this);
2214 if (size == WL.size())
2216 // Now reverse the entries we just added. This will match the DFS
2217 // ordering performed by the worklist.
2218 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2221 void EnqueueVisitor::VisitAddrLabelExpr(const AddrLabelExpr *E) {
2222 WL.push_back(LabelRefVisit(E->getLabel(), E->getLabelLoc(), Parent));
2224 void EnqueueVisitor::VisitBlockExpr(const BlockExpr *B) {
2225 AddDecl(B->getBlockDecl());
2227 void EnqueueVisitor::VisitCompoundLiteralExpr(const CompoundLiteralExpr *E) {
2229 AddTypeLoc(E->getTypeSourceInfo());
2231 void EnqueueVisitor::VisitCompoundStmt(const CompoundStmt *S) {
2232 for (auto &I : llvm::reverse(S->body()))
2235 void EnqueueVisitor::
2236 VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
2237 AddStmt(S->getSubStmt());
2238 AddDeclarationNameInfo(S);
2239 if (NestedNameSpecifierLoc QualifierLoc = S->getQualifierLoc())
2240 AddNestedNameSpecifierLoc(QualifierLoc);
2243 void EnqueueVisitor::
2244 VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E) {
2245 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
2246 AddDeclarationNameInfo(E);
2247 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2248 AddNestedNameSpecifierLoc(QualifierLoc);
2249 if (!E->isImplicitAccess())
2250 AddStmt(E->getBase());
2252 void EnqueueVisitor::VisitCXXNewExpr(const CXXNewExpr *E) {
2253 // Enqueue the initializer , if any.
2254 AddStmt(E->getInitializer());
2255 // Enqueue the array size, if any.
2256 AddStmt(E->getArraySize());
2257 // Enqueue the allocated type.
2258 AddTypeLoc(E->getAllocatedTypeSourceInfo());
2259 // Enqueue the placement arguments.
2260 for (unsigned I = E->getNumPlacementArgs(); I > 0; --I)
2261 AddStmt(E->getPlacementArg(I-1));
2263 void EnqueueVisitor::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *CE) {
2264 for (unsigned I = CE->getNumArgs(); I > 1 /* Yes, this is 1 */; --I)
2265 AddStmt(CE->getArg(I-1));
2266 AddStmt(CE->getCallee());
2267 AddStmt(CE->getArg(0));
2269 void EnqueueVisitor::VisitCXXPseudoDestructorExpr(
2270 const CXXPseudoDestructorExpr *E) {
2271 // Visit the name of the type being destroyed.
2272 AddTypeLoc(E->getDestroyedTypeInfo());
2273 // Visit the scope type that looks disturbingly like the nested-name-specifier
2275 AddTypeLoc(E->getScopeTypeInfo());
2276 // Visit the nested-name-specifier.
2277 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2278 AddNestedNameSpecifierLoc(QualifierLoc);
2279 // Visit base expression.
2280 AddStmt(E->getBase());
2282 void EnqueueVisitor::VisitCXXScalarValueInitExpr(
2283 const CXXScalarValueInitExpr *E) {
2284 AddTypeLoc(E->getTypeSourceInfo());
2286 void EnqueueVisitor::VisitCXXTemporaryObjectExpr(
2287 const CXXTemporaryObjectExpr *E) {
2289 AddTypeLoc(E->getTypeSourceInfo());
2291 void EnqueueVisitor::VisitCXXTypeidExpr(const CXXTypeidExpr *E) {
2293 if (E->isTypeOperand())
2294 AddTypeLoc(E->getTypeOperandSourceInfo());
2297 void EnqueueVisitor::VisitCXXUnresolvedConstructExpr(
2298 const CXXUnresolvedConstructExpr *E) {
2300 AddTypeLoc(E->getTypeSourceInfo());
2302 void EnqueueVisitor::VisitCXXUuidofExpr(const CXXUuidofExpr *E) {
2304 if (E->isTypeOperand())
2305 AddTypeLoc(E->getTypeOperandSourceInfo());
2308 void EnqueueVisitor::VisitCXXCatchStmt(const CXXCatchStmt *S) {
2310 AddDecl(S->getExceptionDecl());
2313 void EnqueueVisitor::VisitCXXForRangeStmt(const CXXForRangeStmt *S) {
2314 AddStmt(S->getBody());
2315 AddStmt(S->getRangeInit());
2316 AddDecl(S->getLoopVariable());
2319 void EnqueueVisitor::VisitDeclRefExpr(const DeclRefExpr *DR) {
2320 if (DR->hasExplicitTemplateArgs()) {
2321 AddExplicitTemplateArgs(&DR->getExplicitTemplateArgs());
2323 WL.push_back(DeclRefExprParts(DR, Parent));
2325 void EnqueueVisitor::VisitDependentScopeDeclRefExpr(
2326 const DependentScopeDeclRefExpr *E) {
2327 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
2328 AddDeclarationNameInfo(E);
2329 AddNestedNameSpecifierLoc(E->getQualifierLoc());
2331 void EnqueueVisitor::VisitDeclStmt(const DeclStmt *S) {
2332 unsigned size = WL.size();
2333 bool isFirst = true;
2334 for (const auto *D : S->decls()) {
2335 AddDecl(D, isFirst);
2338 if (size == WL.size())
2340 // Now reverse the entries we just added. This will match the DFS
2341 // ordering performed by the worklist.
2342 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2345 void EnqueueVisitor::VisitDesignatedInitExpr(const DesignatedInitExpr *E) {
2346 AddStmt(E->getInit());
2347 for (DesignatedInitExpr::const_reverse_designators_iterator
2348 D = E->designators_rbegin(), DEnd = E->designators_rend();
2350 if (D->isFieldDesignator()) {
2351 if (FieldDecl *Field = D->getField())
2352 AddMemberRef(Field, D->getFieldLoc());
2355 if (D->isArrayDesignator()) {
2356 AddStmt(E->getArrayIndex(*D));
2359 assert(D->isArrayRangeDesignator() && "Unknown designator kind");
2360 AddStmt(E->getArrayRangeEnd(*D));
2361 AddStmt(E->getArrayRangeStart(*D));
2364 void EnqueueVisitor::VisitExplicitCastExpr(const ExplicitCastExpr *E) {
2366 AddTypeLoc(E->getTypeInfoAsWritten());
2368 void EnqueueVisitor::VisitForStmt(const ForStmt *FS) {
2369 AddStmt(FS->getBody());
2370 AddStmt(FS->getInc());
2371 AddStmt(FS->getCond());
2372 AddDecl(FS->getConditionVariable());
2373 AddStmt(FS->getInit());
2375 void EnqueueVisitor::VisitGotoStmt(const GotoStmt *GS) {
2376 WL.push_back(LabelRefVisit(GS->getLabel(), GS->getLabelLoc(), Parent));
2378 void EnqueueVisitor::VisitIfStmt(const IfStmt *If) {
2379 AddStmt(If->getElse());
2380 AddStmt(If->getThen());
2381 AddStmt(If->getCond());
2382 AddDecl(If->getConditionVariable());
2384 void EnqueueVisitor::VisitInitListExpr(const InitListExpr *IE) {
2385 // We care about the syntactic form of the initializer list, only.
2386 if (InitListExpr *Syntactic = IE->getSyntacticForm())
2388 EnqueueChildren(IE);
2390 void EnqueueVisitor::VisitMemberExpr(const MemberExpr *M) {
2391 WL.push_back(MemberExprParts(M, Parent));
2393 // If the base of the member access expression is an implicit 'this', don't
2395 // FIXME: If we ever want to show these implicit accesses, this will be
2396 // unfortunate. However, clang_getCursor() relies on this behavior.
2397 if (M->isImplicitAccess())
2400 // Ignore base anonymous struct/union fields, otherwise they will shadow the
2401 // real field that that we are interested in.
2402 if (auto *SubME = dyn_cast<MemberExpr>(M->getBase())) {
2403 if (auto *FD = dyn_cast_or_null<FieldDecl>(SubME->getMemberDecl())) {
2404 if (FD->isAnonymousStructOrUnion()) {
2405 AddStmt(SubME->getBase());
2411 AddStmt(M->getBase());
2413 void EnqueueVisitor::VisitObjCEncodeExpr(const ObjCEncodeExpr *E) {
2414 AddTypeLoc(E->getEncodedTypeSourceInfo());
2416 void EnqueueVisitor::VisitObjCMessageExpr(const ObjCMessageExpr *M) {
2418 AddTypeLoc(M->getClassReceiverTypeInfo());
2420 void EnqueueVisitor::VisitOffsetOfExpr(const OffsetOfExpr *E) {
2421 // Visit the components of the offsetof expression.
2422 for (unsigned N = E->getNumComponents(), I = N; I > 0; --I) {
2423 typedef OffsetOfExpr::OffsetOfNode OffsetOfNode;
2424 const OffsetOfNode &Node = E->getComponent(I-1);
2425 switch (Node.getKind()) {
2426 case OffsetOfNode::Array:
2427 AddStmt(E->getIndexExpr(Node.getArrayExprIndex()));
2429 case OffsetOfNode::Field:
2430 AddMemberRef(Node.getField(), Node.getSourceRange().getEnd());
2432 case OffsetOfNode::Identifier:
2433 case OffsetOfNode::Base:
2437 // Visit the type into which we're computing the offset.
2438 AddTypeLoc(E->getTypeSourceInfo());
2440 void EnqueueVisitor::VisitOverloadExpr(const OverloadExpr *E) {
2441 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
2442 WL.push_back(OverloadExprParts(E, Parent));
2444 void EnqueueVisitor::VisitUnaryExprOrTypeTraitExpr(
2445 const UnaryExprOrTypeTraitExpr *E) {
2447 if (E->isArgumentType())
2448 AddTypeLoc(E->getArgumentTypeInfo());
2450 void EnqueueVisitor::VisitStmt(const Stmt *S) {
2453 void EnqueueVisitor::VisitSwitchStmt(const SwitchStmt *S) {
2454 AddStmt(S->getBody());
2455 AddStmt(S->getCond());
2456 AddDecl(S->getConditionVariable());
2459 void EnqueueVisitor::VisitWhileStmt(const WhileStmt *W) {
2460 AddStmt(W->getBody());
2461 AddStmt(W->getCond());
2462 AddDecl(W->getConditionVariable());
2465 void EnqueueVisitor::VisitTypeTraitExpr(const TypeTraitExpr *E) {
2466 for (unsigned I = E->getNumArgs(); I > 0; --I)
2467 AddTypeLoc(E->getArg(I-1));
2470 void EnqueueVisitor::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E) {
2471 AddTypeLoc(E->getQueriedTypeSourceInfo());
2474 void EnqueueVisitor::VisitExpressionTraitExpr(const ExpressionTraitExpr *E) {
2478 void EnqueueVisitor::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U) {
2479 VisitOverloadExpr(U);
2480 if (!U->isImplicitAccess())
2481 AddStmt(U->getBase());
2483 void EnqueueVisitor::VisitVAArgExpr(const VAArgExpr *E) {
2484 AddStmt(E->getSubExpr());
2485 AddTypeLoc(E->getWrittenTypeInfo());
2487 void EnqueueVisitor::VisitSizeOfPackExpr(const SizeOfPackExpr *E) {
2488 WL.push_back(SizeOfPackExprParts(E, Parent));
2490 void EnqueueVisitor::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
2491 // If the opaque value has a source expression, just transparently
2492 // visit that. This is useful for (e.g.) pseudo-object expressions.
2493 if (Expr *SourceExpr = E->getSourceExpr())
2494 return Visit(SourceExpr);
2496 void EnqueueVisitor::VisitLambdaExpr(const LambdaExpr *E) {
2497 AddStmt(E->getBody());
2498 WL.push_back(LambdaExprParts(E, Parent));
2500 void EnqueueVisitor::VisitPseudoObjectExpr(const PseudoObjectExpr *E) {
2501 // Treat the expression like its syntactic form.
2502 Visit(E->getSyntacticForm());
2505 void EnqueueVisitor::VisitOMPExecutableDirective(
2506 const OMPExecutableDirective *D) {
2508 for (ArrayRef<OMPClause *>::iterator I = D->clauses().begin(),
2509 E = D->clauses().end();
2511 EnqueueChildren(*I);
2514 void EnqueueVisitor::VisitOMPLoopDirective(const OMPLoopDirective *D) {
2515 VisitOMPExecutableDirective(D);
2518 void EnqueueVisitor::VisitOMPParallelDirective(const OMPParallelDirective *D) {
2519 VisitOMPExecutableDirective(D);
2522 void EnqueueVisitor::VisitOMPSimdDirective(const OMPSimdDirective *D) {
2523 VisitOMPLoopDirective(D);
2526 void EnqueueVisitor::VisitOMPForDirective(const OMPForDirective *D) {
2527 VisitOMPLoopDirective(D);
2530 void EnqueueVisitor::VisitOMPForSimdDirective(const OMPForSimdDirective *D) {
2531 VisitOMPLoopDirective(D);
2534 void EnqueueVisitor::VisitOMPSectionsDirective(const OMPSectionsDirective *D) {
2535 VisitOMPExecutableDirective(D);
2538 void EnqueueVisitor::VisitOMPSectionDirective(const OMPSectionDirective *D) {
2539 VisitOMPExecutableDirective(D);
2542 void EnqueueVisitor::VisitOMPSingleDirective(const OMPSingleDirective *D) {
2543 VisitOMPExecutableDirective(D);
2546 void EnqueueVisitor::VisitOMPMasterDirective(const OMPMasterDirective *D) {
2547 VisitOMPExecutableDirective(D);
2550 void EnqueueVisitor::VisitOMPCriticalDirective(const OMPCriticalDirective *D) {
2551 VisitOMPExecutableDirective(D);
2552 AddDeclarationNameInfo(D);
2556 EnqueueVisitor::VisitOMPParallelForDirective(const OMPParallelForDirective *D) {
2557 VisitOMPLoopDirective(D);
2560 void EnqueueVisitor::VisitOMPParallelForSimdDirective(
2561 const OMPParallelForSimdDirective *D) {
2562 VisitOMPLoopDirective(D);
2565 void EnqueueVisitor::VisitOMPParallelSectionsDirective(
2566 const OMPParallelSectionsDirective *D) {
2567 VisitOMPExecutableDirective(D);
2570 void EnqueueVisitor::VisitOMPTaskDirective(const OMPTaskDirective *D) {
2571 VisitOMPExecutableDirective(D);
2575 EnqueueVisitor::VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D) {
2576 VisitOMPExecutableDirective(D);
2579 void EnqueueVisitor::VisitOMPBarrierDirective(const OMPBarrierDirective *D) {
2580 VisitOMPExecutableDirective(D);
2583 void EnqueueVisitor::VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D) {
2584 VisitOMPExecutableDirective(D);
2587 void EnqueueVisitor::VisitOMPTaskgroupDirective(
2588 const OMPTaskgroupDirective *D) {
2589 VisitOMPExecutableDirective(D);
2592 void EnqueueVisitor::VisitOMPFlushDirective(const OMPFlushDirective *D) {
2593 VisitOMPExecutableDirective(D);
2596 void EnqueueVisitor::VisitOMPOrderedDirective(const OMPOrderedDirective *D) {
2597 VisitOMPExecutableDirective(D);
2600 void EnqueueVisitor::VisitOMPAtomicDirective(const OMPAtomicDirective *D) {
2601 VisitOMPExecutableDirective(D);
2604 void EnqueueVisitor::VisitOMPTargetDirective(const OMPTargetDirective *D) {
2605 VisitOMPExecutableDirective(D);
2608 void EnqueueVisitor::VisitOMPTargetDataDirective(const
2609 OMPTargetDataDirective *D) {
2610 VisitOMPExecutableDirective(D);
2613 void EnqueueVisitor::VisitOMPTeamsDirective(const OMPTeamsDirective *D) {
2614 VisitOMPExecutableDirective(D);
2617 void EnqueueVisitor::VisitOMPCancellationPointDirective(
2618 const OMPCancellationPointDirective *D) {
2619 VisitOMPExecutableDirective(D);
2622 void EnqueueVisitor::VisitOMPCancelDirective(const OMPCancelDirective *D) {
2623 VisitOMPExecutableDirective(D);
2626 void EnqueueVisitor::VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *D) {
2627 VisitOMPLoopDirective(D);
2630 void EnqueueVisitor::VisitOMPTaskLoopSimdDirective(
2631 const OMPTaskLoopSimdDirective *D) {
2632 VisitOMPLoopDirective(D);
2635 void CursorVisitor::EnqueueWorkList(VisitorWorkList &WL, const Stmt *S) {
2636 EnqueueVisitor(WL, MakeCXCursor(S, StmtParent, TU,RegionOfInterest)).Visit(S);
2639 bool CursorVisitor::IsInRegionOfInterest(CXCursor C) {
2640 if (RegionOfInterest.isValid()) {
2641 SourceRange Range = getRawCursorExtent(C);
2642 if (Range.isInvalid() || CompareRegionOfInterest(Range))
2648 bool CursorVisitor::RunVisitorWorkList(VisitorWorkList &WL) {
2649 while (!WL.empty()) {
2650 // Dequeue the worklist item.
2651 VisitorJob LI = WL.pop_back_val();
2653 // Set the Parent field, then back to its old value once we're done.
2654 SetParentRAII SetParent(Parent, StmtParent, LI.getParent());
2656 switch (LI.getKind()) {
2657 case VisitorJob::DeclVisitKind: {
2658 const Decl *D = cast<DeclVisit>(&LI)->get();
2662 // For now, perform default visitation for Decls.
2663 if (Visit(MakeCXCursor(D, TU, RegionOfInterest,
2664 cast<DeclVisit>(&LI)->isFirst())))
2669 case VisitorJob::ExplicitTemplateArgsVisitKind: {
2670 const ASTTemplateArgumentListInfo *ArgList =
2671 cast<ExplicitTemplateArgsVisit>(&LI)->get();
2672 for (const TemplateArgumentLoc *Arg = ArgList->getTemplateArgs(),
2673 *ArgEnd = Arg + ArgList->NumTemplateArgs;
2674 Arg != ArgEnd; ++Arg) {
2675 if (VisitTemplateArgumentLoc(*Arg))
2680 case VisitorJob::TypeLocVisitKind: {
2681 // Perform default visitation for TypeLocs.
2682 if (Visit(cast<TypeLocVisit>(&LI)->get()))
2686 case VisitorJob::LabelRefVisitKind: {
2687 const LabelDecl *LS = cast<LabelRefVisit>(&LI)->get();
2688 if (LabelStmt *stmt = LS->getStmt()) {
2689 if (Visit(MakeCursorLabelRef(stmt, cast<LabelRefVisit>(&LI)->getLoc(),
2697 case VisitorJob::NestedNameSpecifierLocVisitKind: {
2698 NestedNameSpecifierLocVisit *V = cast<NestedNameSpecifierLocVisit>(&LI);
2699 if (VisitNestedNameSpecifierLoc(V->get()))
2704 case VisitorJob::DeclarationNameInfoVisitKind: {
2705 if (VisitDeclarationNameInfo(cast<DeclarationNameInfoVisit>(&LI)
2710 case VisitorJob::MemberRefVisitKind: {
2711 MemberRefVisit *V = cast<MemberRefVisit>(&LI);
2712 if (Visit(MakeCursorMemberRef(V->get(), V->getLoc(), TU)))
2716 case VisitorJob::StmtVisitKind: {
2717 const Stmt *S = cast<StmtVisit>(&LI)->get();
2721 // Update the current cursor.
2722 CXCursor Cursor = MakeCXCursor(S, StmtParent, TU, RegionOfInterest);
2723 if (!IsInRegionOfInterest(Cursor))
2725 switch (Visitor(Cursor, Parent, ClientData)) {
2726 case CXChildVisit_Break: return true;
2727 case CXChildVisit_Continue: break;
2728 case CXChildVisit_Recurse:
2729 if (PostChildrenVisitor)
2730 WL.push_back(PostChildrenVisit(nullptr, Cursor));
2731 EnqueueWorkList(WL, S);
2736 case VisitorJob::MemberExprPartsKind: {
2737 // Handle the other pieces in the MemberExpr besides the base.
2738 const MemberExpr *M = cast<MemberExprParts>(&LI)->get();
2740 // Visit the nested-name-specifier
2741 if (NestedNameSpecifierLoc QualifierLoc = M->getQualifierLoc())
2742 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2745 // Visit the declaration name.
2746 if (VisitDeclarationNameInfo(M->getMemberNameInfo()))
2749 // Visit the explicitly-specified template arguments, if any.
2750 if (M->hasExplicitTemplateArgs()) {
2751 for (const TemplateArgumentLoc *Arg = M->getTemplateArgs(),
2752 *ArgEnd = Arg + M->getNumTemplateArgs();
2753 Arg != ArgEnd; ++Arg) {
2754 if (VisitTemplateArgumentLoc(*Arg))
2760 case VisitorJob::DeclRefExprPartsKind: {
2761 const DeclRefExpr *DR = cast<DeclRefExprParts>(&LI)->get();
2762 // Visit nested-name-specifier, if present.
2763 if (NestedNameSpecifierLoc QualifierLoc = DR->getQualifierLoc())
2764 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2766 // Visit declaration name.
2767 if (VisitDeclarationNameInfo(DR->getNameInfo()))
2771 case VisitorJob::OverloadExprPartsKind: {
2772 const OverloadExpr *O = cast<OverloadExprParts>(&LI)->get();
2773 // Visit the nested-name-specifier.
2774 if (NestedNameSpecifierLoc QualifierLoc = O->getQualifierLoc())
2775 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2777 // Visit the declaration name.
2778 if (VisitDeclarationNameInfo(O->getNameInfo()))
2780 // Visit the overloaded declaration reference.
2781 if (Visit(MakeCursorOverloadedDeclRef(O, TU)))
2785 case VisitorJob::SizeOfPackExprPartsKind: {
2786 const SizeOfPackExpr *E = cast<SizeOfPackExprParts>(&LI)->get();
2787 NamedDecl *Pack = E->getPack();
2788 if (isa<TemplateTypeParmDecl>(Pack)) {
2789 if (Visit(MakeCursorTypeRef(cast<TemplateTypeParmDecl>(Pack),
2790 E->getPackLoc(), TU)))
2796 if (isa<TemplateTemplateParmDecl>(Pack)) {
2797 if (Visit(MakeCursorTemplateRef(cast<TemplateTemplateParmDecl>(Pack),
2798 E->getPackLoc(), TU)))
2804 // Non-type template parameter packs and function parameter packs are
2805 // treated like DeclRefExpr cursors.
2809 case VisitorJob::LambdaExprPartsKind: {
2811 const LambdaExpr *E = cast<LambdaExprParts>(&LI)->get();
2812 for (LambdaExpr::capture_iterator C = E->explicit_capture_begin(),
2813 CEnd = E->explicit_capture_end();
2815 // FIXME: Lambda init-captures.
2816 if (!C->capturesVariable())
2819 if (Visit(MakeCursorVariableRef(C->getCapturedVar(),
2825 // Visit parameters and return type, if present.
2826 if (E->hasExplicitParameters() || E->hasExplicitResultType()) {
2827 TypeLoc TL = E->getCallOperator()->getTypeSourceInfo()->getTypeLoc();
2828 if (E->hasExplicitParameters() && E->hasExplicitResultType()) {
2829 // Visit the whole type.
2832 } else if (FunctionProtoTypeLoc Proto =
2833 TL.getAs<FunctionProtoTypeLoc>()) {
2834 if (E->hasExplicitParameters()) {
2835 // Visit parameters.
2836 for (unsigned I = 0, N = Proto.getNumParams(); I != N; ++I)
2837 if (Visit(MakeCXCursor(Proto.getParam(I), TU)))
2840 // Visit result type.
2841 if (Visit(Proto.getReturnLoc()))
2849 case VisitorJob::PostChildrenVisitKind:
2850 if (PostChildrenVisitor(Parent, ClientData))
2858 bool CursorVisitor::Visit(const Stmt *S) {
2859 VisitorWorkList *WL = nullptr;
2860 if (!WorkListFreeList.empty()) {
2861 WL = WorkListFreeList.back();
2863 WorkListFreeList.pop_back();
2866 WL = new VisitorWorkList();
2867 WorkListCache.push_back(WL);
2869 EnqueueWorkList(*WL, S);
2870 bool result = RunVisitorWorkList(*WL);
2871 WorkListFreeList.push_back(WL);
2876 typedef SmallVector<SourceRange, 4> RefNamePieces;
2878 buildPieces(unsigned NameFlags, bool IsMemberRefExpr,
2879 const DeclarationNameInfo &NI, SourceRange QLoc,
2880 const ASTTemplateArgumentListInfo *TemplateArgs = nullptr) {
2881 const bool WantQualifier = NameFlags & CXNameRange_WantQualifier;
2882 const bool WantTemplateArgs = NameFlags & CXNameRange_WantTemplateArgs;
2883 const bool WantSinglePiece = NameFlags & CXNameRange_WantSinglePiece;
2885 const DeclarationName::NameKind Kind = NI.getName().getNameKind();
2887 RefNamePieces Pieces;
2889 if (WantQualifier && QLoc.isValid())
2890 Pieces.push_back(QLoc);
2892 if (Kind != DeclarationName::CXXOperatorName || IsMemberRefExpr)
2893 Pieces.push_back(NI.getLoc());
2895 if (WantTemplateArgs && TemplateArgs)
2896 Pieces.push_back(SourceRange(TemplateArgs->LAngleLoc,
2897 TemplateArgs->RAngleLoc));
2899 if (Kind == DeclarationName::CXXOperatorName) {
2900 Pieces.push_back(SourceLocation::getFromRawEncoding(
2901 NI.getInfo().CXXOperatorName.BeginOpNameLoc));
2902 Pieces.push_back(SourceLocation::getFromRawEncoding(
2903 NI.getInfo().CXXOperatorName.EndOpNameLoc));
2906 if (WantSinglePiece) {
2907 SourceRange R(Pieces.front().getBegin(), Pieces.back().getEnd());
2909 Pieces.push_back(R);
2916 //===----------------------------------------------------------------------===//
2918 //===----------------------------------------------------------------------===//
2920 static void fatal_error_handler(void *user_data, const std::string& reason,
2921 bool gen_crash_diag) {
2922 // Write the result out to stderr avoiding errs() because raw_ostreams can
2923 // call report_fatal_error.
2924 fprintf(stderr, "LIBCLANG FATAL ERROR: %s\n", reason.c_str());
2929 struct RegisterFatalErrorHandler {
2930 RegisterFatalErrorHandler() {
2931 llvm::install_fatal_error_handler(fatal_error_handler, nullptr);
2936 static llvm::ManagedStatic<RegisterFatalErrorHandler> RegisterFatalErrorHandlerOnce;
2939 CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
2940 int displayDiagnostics) {
2941 // We use crash recovery to make some of our APIs more reliable, implicitly
2943 if (!getenv("LIBCLANG_DISABLE_CRASH_RECOVERY"))
2944 llvm::CrashRecoveryContext::Enable();
2946 // Look through the managed static to trigger construction of the managed
2947 // static which registers our fatal error handler. This ensures it is only
2949 (void)*RegisterFatalErrorHandlerOnce;
2951 // Initialize targets for clang module support.
2952 llvm::InitializeAllTargets();
2953 llvm::InitializeAllTargetMCs();
2954 llvm::InitializeAllAsmPrinters();
2955 llvm::InitializeAllAsmParsers();
2957 CIndexer *CIdxr = new CIndexer();
2959 if (excludeDeclarationsFromPCH)
2960 CIdxr->setOnlyLocalDecls();
2961 if (displayDiagnostics)
2962 CIdxr->setDisplayDiagnostics();
2964 if (getenv("LIBCLANG_BGPRIO_INDEX"))
2965 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
2966 CXGlobalOpt_ThreadBackgroundPriorityForIndexing);
2967 if (getenv("LIBCLANG_BGPRIO_EDIT"))
2968 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
2969 CXGlobalOpt_ThreadBackgroundPriorityForEditing);
2974 void clang_disposeIndex(CXIndex CIdx) {
2976 delete static_cast<CIndexer *>(CIdx);
2979 void clang_CXIndex_setGlobalOptions(CXIndex CIdx, unsigned options) {
2981 static_cast<CIndexer *>(CIdx)->setCXGlobalOptFlags(options);
2984 unsigned clang_CXIndex_getGlobalOptions(CXIndex CIdx) {
2986 return static_cast<CIndexer *>(CIdx)->getCXGlobalOptFlags();
2990 void clang_toggleCrashRecovery(unsigned isEnabled) {
2992 llvm::CrashRecoveryContext::Enable();
2994 llvm::CrashRecoveryContext::Disable();
2997 CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
2998 const char *ast_filename) {
2999 CXTranslationUnit TU;
3000 enum CXErrorCode Result =
3001 clang_createTranslationUnit2(CIdx, ast_filename, &TU);
3003 assert((TU && Result == CXError_Success) ||
3004 (!TU && Result != CXError_Success));
3008 enum CXErrorCode clang_createTranslationUnit2(CXIndex CIdx,
3009 const char *ast_filename,
3010 CXTranslationUnit *out_TU) {
3014 if (!CIdx || !ast_filename || !out_TU)
3015 return CXError_InvalidArguments;
3018 *Log << ast_filename;
3021 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3022 FileSystemOptions FileSystemOpts;
3024 IntrusiveRefCntPtr<DiagnosticsEngine> Diags =
3025 CompilerInstance::createDiagnostics(new DiagnosticOptions());
3026 std::unique_ptr<ASTUnit> AU = ASTUnit::LoadFromASTFile(
3027 ast_filename, CXXIdx->getPCHContainerOperations()->getRawReader(), Diags,
3028 FileSystemOpts, /*UseDebugInfo=*/false,
3029 CXXIdx->getOnlyLocalDecls(), None,
3030 /*CaptureDiagnostics=*/true,
3031 /*AllowPCHWithCompilerErrors=*/true,
3032 /*UserFilesAreVolatile=*/true);
3033 *out_TU = MakeCXTranslationUnit(CXXIdx, AU.release());
3034 return *out_TU ? CXError_Success : CXError_Failure;
3037 unsigned clang_defaultEditingTranslationUnitOptions() {
3038 return CXTranslationUnit_PrecompiledPreamble |
3039 CXTranslationUnit_CacheCompletionResults;
3043 clang_createTranslationUnitFromSourceFile(CXIndex CIdx,
3044 const char *source_filename,
3045 int num_command_line_args,
3046 const char * const *command_line_args,
3047 unsigned num_unsaved_files,
3048 struct CXUnsavedFile *unsaved_files) {
3049 unsigned Options = CXTranslationUnit_DetailedPreprocessingRecord;
3050 return clang_parseTranslationUnit(CIdx, source_filename,
3051 command_line_args, num_command_line_args,
3052 unsaved_files, num_unsaved_files,
3057 clang_parseTranslationUnit_Impl(CXIndex CIdx, const char *source_filename,
3058 const char *const *command_line_args,
3059 int num_command_line_args,
3060 ArrayRef<CXUnsavedFile> unsaved_files,
3061 unsigned options, CXTranslationUnit *out_TU) {
3062 // Set up the initial return values.
3067 if (!CIdx || !out_TU)
3068 return CXError_InvalidArguments;
3070 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3072 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3073 setThreadBackgroundPriority();
3075 bool PrecompilePreamble = options & CXTranslationUnit_PrecompiledPreamble;
3076 // FIXME: Add a flag for modules.
3077 TranslationUnitKind TUKind
3078 = (options & CXTranslationUnit_Incomplete)? TU_Prefix : TU_Complete;
3079 bool CacheCodeCompletionResults
3080 = options & CXTranslationUnit_CacheCompletionResults;
3081 bool IncludeBriefCommentsInCodeCompletion
3082 = options & CXTranslationUnit_IncludeBriefCommentsInCodeCompletion;
3083 bool SkipFunctionBodies = options & CXTranslationUnit_SkipFunctionBodies;
3084 bool ForSerialization = options & CXTranslationUnit_ForSerialization;
3086 // Configure the diagnostics.
3087 IntrusiveRefCntPtr<DiagnosticsEngine>
3088 Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions));
3090 // Recover resources if we crash before exiting this function.
3091 llvm::CrashRecoveryContextCleanupRegistrar<DiagnosticsEngine,
3092 llvm::CrashRecoveryContextReleaseRefCleanup<DiagnosticsEngine> >
3093 DiagCleanup(Diags.get());
3095 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3096 new std::vector<ASTUnit::RemappedFile>());
3098 // Recover resources if we crash before exiting this function.
3099 llvm::CrashRecoveryContextCleanupRegistrar<
3100 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3102 for (auto &UF : unsaved_files) {
3103 std::unique_ptr<llvm::MemoryBuffer> MB =
3104 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3105 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3108 std::unique_ptr<std::vector<const char *>> Args(
3109 new std::vector<const char *>());
3111 // Recover resources if we crash before exiting this method.
3112 llvm::CrashRecoveryContextCleanupRegistrar<std::vector<const char*> >
3113 ArgsCleanup(Args.get());
3115 // Since the Clang C library is primarily used by batch tools dealing with
3116 // (often very broken) source code, where spell-checking can have a
3117 // significant negative impact on performance (particularly when
3118 // precompiled headers are involved), we disable it by default.
3119 // Only do this if we haven't found a spell-checking-related argument.
3120 bool FoundSpellCheckingArgument = false;
3121 for (int I = 0; I != num_command_line_args; ++I) {
3122 if (strcmp(command_line_args[I], "-fno-spell-checking") == 0 ||
3123 strcmp(command_line_args[I], "-fspell-checking") == 0) {
3124 FoundSpellCheckingArgument = true;
3128 Args->insert(Args->end(), command_line_args,
3129 command_line_args + num_command_line_args);
3131 if (!FoundSpellCheckingArgument)
3132 Args->insert(Args->begin() + 1, "-fno-spell-checking");
3134 // The 'source_filename' argument is optional. If the caller does not
3135 // specify it then it is assumed that the source file is specified
3136 // in the actual argument list.
3137 // Put the source file after command_line_args otherwise if '-x' flag is
3138 // present it will be unused.
3139 if (source_filename)
3140 Args->push_back(source_filename);
3142 // Do we need the detailed preprocessing record?
3143 if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
3144 Args->push_back("-Xclang");
3145 Args->push_back("-detailed-preprocessing-record");
3148 unsigned NumErrors = Diags->getClient()->getNumErrors();
3149 std::unique_ptr<ASTUnit> ErrUnit;
3150 std::unique_ptr<ASTUnit> Unit(ASTUnit::LoadFromCommandLine(
3151 Args->data(), Args->data() + Args->size(),
3152 CXXIdx->getPCHContainerOperations(), Diags,
3153 CXXIdx->getClangResourcesPath(), CXXIdx->getOnlyLocalDecls(),
3154 /*CaptureDiagnostics=*/true, *RemappedFiles.get(),
3155 /*RemappedFilesKeepOriginalName=*/true, PrecompilePreamble, TUKind,
3156 CacheCodeCompletionResults, IncludeBriefCommentsInCodeCompletion,
3157 /*AllowPCHWithCompilerErrors=*/true, SkipFunctionBodies,
3158 /*UserFilesAreVolatile=*/true, ForSerialization,
3159 CXXIdx->getPCHContainerOperations()->getRawReader().getFormat(),
3162 // Early failures in LoadFromCommandLine may return with ErrUnit unset.
3163 if (!Unit && !ErrUnit)
3164 return CXError_ASTReadError;
3166 if (NumErrors != Diags->getClient()->getNumErrors()) {
3167 // Make sure to check that 'Unit' is non-NULL.
3168 if (CXXIdx->getDisplayDiagnostics())
3169 printDiagsToStderr(Unit ? Unit.get() : ErrUnit.get());
3172 if (isASTReadError(Unit ? Unit.get() : ErrUnit.get()))
3173 return CXError_ASTReadError;
3175 *out_TU = MakeCXTranslationUnit(CXXIdx, Unit.release());
3176 return *out_TU ? CXError_Success : CXError_Failure;
3180 clang_parseTranslationUnit(CXIndex CIdx,
3181 const char *source_filename,
3182 const char *const *command_line_args,
3183 int num_command_line_args,
3184 struct CXUnsavedFile *unsaved_files,
3185 unsigned num_unsaved_files,
3187 CXTranslationUnit TU;
3188 enum CXErrorCode Result = clang_parseTranslationUnit2(
3189 CIdx, source_filename, command_line_args, num_command_line_args,
3190 unsaved_files, num_unsaved_files, options, &TU);
3192 assert((TU && Result == CXError_Success) ||
3193 (!TU && Result != CXError_Success));
3197 enum CXErrorCode clang_parseTranslationUnit2(
3198 CXIndex CIdx, const char *source_filename,
3199 const char *const *command_line_args, int num_command_line_args,
3200 struct CXUnsavedFile *unsaved_files, unsigned num_unsaved_files,
3201 unsigned options, CXTranslationUnit *out_TU) {
3202 SmallVector<const char *, 4> Args;
3203 Args.push_back("clang");
3204 Args.append(command_line_args, command_line_args + num_command_line_args);
3205 return clang_parseTranslationUnit2FullArgv(
3206 CIdx, source_filename, Args.data(), Args.size(), unsaved_files,
3207 num_unsaved_files, options, out_TU);
3210 enum CXErrorCode clang_parseTranslationUnit2FullArgv(
3211 CXIndex CIdx, const char *source_filename,
3212 const char *const *command_line_args, int num_command_line_args,
3213 struct CXUnsavedFile *unsaved_files, unsigned num_unsaved_files,
3214 unsigned options, CXTranslationUnit *out_TU) {
3216 *Log << source_filename << ": ";
3217 for (int i = 0; i != num_command_line_args; ++i)
3218 *Log << command_line_args[i] << " ";
3221 if (num_unsaved_files && !unsaved_files)
3222 return CXError_InvalidArguments;
3224 CXErrorCode result = CXError_Failure;
3225 auto ParseTranslationUnitImpl = [=, &result] {
3226 result = clang_parseTranslationUnit_Impl(
3227 CIdx, source_filename, command_line_args, num_command_line_args,
3228 llvm::makeArrayRef(unsaved_files, num_unsaved_files), options, out_TU);
3230 llvm::CrashRecoveryContext CRC;
3232 if (!RunSafely(CRC, ParseTranslationUnitImpl)) {
3233 fprintf(stderr, "libclang: crash detected during parsing: {\n");
3234 fprintf(stderr, " 'source_filename' : '%s'\n", source_filename);
3235 fprintf(stderr, " 'command_line_args' : [");
3236 for (int i = 0; i != num_command_line_args; ++i) {
3238 fprintf(stderr, ", ");
3239 fprintf(stderr, "'%s'", command_line_args[i]);
3241 fprintf(stderr, "],\n");
3242 fprintf(stderr, " 'unsaved_files' : [");
3243 for (unsigned i = 0; i != num_unsaved_files; ++i) {
3245 fprintf(stderr, ", ");
3246 fprintf(stderr, "('%s', '...', %ld)", unsaved_files[i].Filename,
3247 unsaved_files[i].Length);
3249 fprintf(stderr, "],\n");
3250 fprintf(stderr, " 'options' : %d,\n", options);
3251 fprintf(stderr, "}\n");
3253 return CXError_Crashed;
3254 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3255 if (CXTranslationUnit *TU = out_TU)
3256 PrintLibclangResourceUsage(*TU);
3262 unsigned clang_defaultSaveOptions(CXTranslationUnit TU) {
3263 return CXSaveTranslationUnit_None;
3266 static CXSaveError clang_saveTranslationUnit_Impl(CXTranslationUnit TU,
3267 const char *FileName,
3269 CIndexer *CXXIdx = TU->CIdx;
3270 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3271 setThreadBackgroundPriority();
3273 bool hadError = cxtu::getASTUnit(TU)->Save(FileName);
3274 return hadError ? CXSaveError_Unknown : CXSaveError_None;
3277 int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
3280 *Log << TU << ' ' << FileName;
3283 if (isNotUsableTU(TU)) {
3285 return CXSaveError_InvalidTU;
3288 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3289 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3290 if (!CXXUnit->hasSema())
3291 return CXSaveError_InvalidTU;
3294 auto SaveTranslationUnitImpl = [=, &result]() {
3295 result = clang_saveTranslationUnit_Impl(TU, FileName, options);
3298 if (!CXXUnit->getDiagnostics().hasUnrecoverableErrorOccurred() ||
3299 getenv("LIBCLANG_NOTHREADS")) {
3300 SaveTranslationUnitImpl();
3302 if (getenv("LIBCLANG_RESOURCE_USAGE"))
3303 PrintLibclangResourceUsage(TU);
3308 // We have an AST that has invalid nodes due to compiler errors.
3309 // Use a crash recovery thread for protection.
3311 llvm::CrashRecoveryContext CRC;
3313 if (!RunSafely(CRC, SaveTranslationUnitImpl)) {
3314 fprintf(stderr, "libclang: crash detected during AST saving: {\n");
3315 fprintf(stderr, " 'filename' : '%s'\n", FileName);
3316 fprintf(stderr, " 'options' : %d,\n", options);
3317 fprintf(stderr, "}\n");
3319 return CXSaveError_Unknown;
3321 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3322 PrintLibclangResourceUsage(TU);
3328 void clang_disposeTranslationUnit(CXTranslationUnit CTUnit) {
3330 // If the translation unit has been marked as unsafe to free, just discard
3332 ASTUnit *Unit = cxtu::getASTUnit(CTUnit);
3333 if (Unit && Unit->isUnsafeToFree())
3336 delete cxtu::getASTUnit(CTUnit);
3337 delete CTUnit->StringPool;
3338 delete static_cast<CXDiagnosticSetImpl *>(CTUnit->Diagnostics);
3339 disposeOverridenCXCursorsPool(CTUnit->OverridenCursorsPool);
3340 delete CTUnit->CommentToXML;
3345 unsigned clang_defaultReparseOptions(CXTranslationUnit TU) {
3346 return CXReparse_None;
3350 clang_reparseTranslationUnit_Impl(CXTranslationUnit TU,
3351 ArrayRef<CXUnsavedFile> unsaved_files,
3354 if (isNotUsableTU(TU)) {
3356 return CXError_InvalidArguments;
3359 // Reset the associated diagnostics.
3360 delete static_cast<CXDiagnosticSetImpl*>(TU->Diagnostics);
3361 TU->Diagnostics = nullptr;
3363 CIndexer *CXXIdx = TU->CIdx;
3364 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
3365 setThreadBackgroundPriority();
3367 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3368 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3370 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3371 new std::vector<ASTUnit::RemappedFile>());
3373 // Recover resources if we crash before exiting this function.
3374 llvm::CrashRecoveryContextCleanupRegistrar<
3375 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3377 for (auto &UF : unsaved_files) {
3378 std::unique_ptr<llvm::MemoryBuffer> MB =
3379 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3380 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3383 if (!CXXUnit->Reparse(CXXIdx->getPCHContainerOperations(),
3384 *RemappedFiles.get()))
3385 return CXError_Success;
3386 if (isASTReadError(CXXUnit))
3387 return CXError_ASTReadError;
3388 return CXError_Failure;
3391 int clang_reparseTranslationUnit(CXTranslationUnit TU,
3392 unsigned num_unsaved_files,
3393 struct CXUnsavedFile *unsaved_files,
3399 if (num_unsaved_files && !unsaved_files)
3400 return CXError_InvalidArguments;
3403 auto ReparseTranslationUnitImpl = [=, &result]() {
3404 result = clang_reparseTranslationUnit_Impl(
3405 TU, llvm::makeArrayRef(unsaved_files, num_unsaved_files), options);
3408 if (getenv("LIBCLANG_NOTHREADS")) {
3409 ReparseTranslationUnitImpl();
3413 llvm::CrashRecoveryContext CRC;
3415 if (!RunSafely(CRC, ReparseTranslationUnitImpl)) {
3416 fprintf(stderr, "libclang: crash detected during reparsing\n");
3417 cxtu::getASTUnit(TU)->setUnsafeToFree(true);
3418 return CXError_Crashed;
3419 } else if (getenv("LIBCLANG_RESOURCE_USAGE"))
3420 PrintLibclangResourceUsage(TU);
3426 CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
3427 if (isNotUsableTU(CTUnit)) {
3429 return cxstring::createEmpty();
3432 ASTUnit *CXXUnit = cxtu::getASTUnit(CTUnit);
3433 return cxstring::createDup(CXXUnit->getOriginalSourceFileName());
3436 CXCursor clang_getTranslationUnitCursor(CXTranslationUnit TU) {
3437 if (isNotUsableTU(TU)) {
3439 return clang_getNullCursor();
3442 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3443 return MakeCXCursor(CXXUnit->getASTContext().getTranslationUnitDecl(), TU);
3446 } // end: extern "C"
3448 //===----------------------------------------------------------------------===//
3449 // CXFile Operations.
3450 //===----------------------------------------------------------------------===//
3453 CXString clang_getFileName(CXFile SFile) {
3455 return cxstring::createNull();
3457 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3458 return cxstring::createRef(FEnt->getName());
3461 time_t clang_getFileTime(CXFile SFile) {
3465 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3466 return FEnt->getModificationTime();
3469 CXFile clang_getFile(CXTranslationUnit TU, const char *file_name) {
3470 if (isNotUsableTU(TU)) {
3475 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3477 FileManager &FMgr = CXXUnit->getFileManager();
3478 return const_cast<FileEntry *>(FMgr.getFile(file_name));
3481 unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit TU,
3483 if (isNotUsableTU(TU)) {
3491 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3492 FileEntry *FEnt = static_cast<FileEntry *>(file);
3493 return CXXUnit->getPreprocessor().getHeaderSearchInfo()
3494 .isFileMultipleIncludeGuarded(FEnt);
3497 int clang_getFileUniqueID(CXFile file, CXFileUniqueID *outID) {
3498 if (!file || !outID)
3501 FileEntry *FEnt = static_cast<FileEntry *>(file);
3502 const llvm::sys::fs::UniqueID &ID = FEnt->getUniqueID();
3503 outID->data[0] = ID.getDevice();
3504 outID->data[1] = ID.getFile();
3505 outID->data[2] = FEnt->getModificationTime();
3509 int clang_File_isEqual(CXFile file1, CXFile file2) {
3513 if (!file1 || !file2)
3516 FileEntry *FEnt1 = static_cast<FileEntry *>(file1);
3517 FileEntry *FEnt2 = static_cast<FileEntry *>(file2);
3518 return FEnt1->getUniqueID() == FEnt2->getUniqueID();
3521 } // end: extern "C"
3523 //===----------------------------------------------------------------------===//
3524 // CXCursor Operations.
3525 //===----------------------------------------------------------------------===//
3527 static const Decl *getDeclFromExpr(const Stmt *E) {
3528 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3529 return getDeclFromExpr(CE->getSubExpr());
3531 if (const DeclRefExpr *RefExpr = dyn_cast<DeclRefExpr>(E))
3532 return RefExpr->getDecl();
3533 if (const MemberExpr *ME = dyn_cast<MemberExpr>(E))
3534 return ME->getMemberDecl();
3535 if (const ObjCIvarRefExpr *RE = dyn_cast<ObjCIvarRefExpr>(E))
3536 return RE->getDecl();
3537 if (const ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(E)) {
3538 if (PRE->isExplicitProperty())
3539 return PRE->getExplicitProperty();
3540 // It could be messaging both getter and setter as in:
3542 // in which case prefer to associate the setter since it is less obvious
3543 // from inspecting the source that the setter is going to get called.
3544 if (PRE->isMessagingSetter())
3545 return PRE->getImplicitPropertySetter();
3546 return PRE->getImplicitPropertyGetter();
3548 if (const PseudoObjectExpr *POE = dyn_cast<PseudoObjectExpr>(E))
3549 return getDeclFromExpr(POE->getSyntacticForm());
3550 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E))
3551 if (Expr *Src = OVE->getSourceExpr())
3552 return getDeclFromExpr(Src);
3554 if (const CallExpr *CE = dyn_cast<CallExpr>(E))
3555 return getDeclFromExpr(CE->getCallee());
3556 if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E))
3557 if (!CE->isElidable())
3558 return CE->getConstructor();
3559 if (const ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(E))
3560 return OME->getMethodDecl();
3562 if (const ObjCProtocolExpr *PE = dyn_cast<ObjCProtocolExpr>(E))
3563 return PE->getProtocol();
3564 if (const SubstNonTypeTemplateParmPackExpr *NTTP
3565 = dyn_cast<SubstNonTypeTemplateParmPackExpr>(E))
3566 return NTTP->getParameterPack();
3567 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3568 if (isa<NonTypeTemplateParmDecl>(SizeOfPack->getPack()) ||
3569 isa<ParmVarDecl>(SizeOfPack->getPack()))
3570 return SizeOfPack->getPack();
3575 static SourceLocation getLocationFromExpr(const Expr *E) {
3576 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3577 return getLocationFromExpr(CE->getSubExpr());
3579 if (const ObjCMessageExpr *Msg = dyn_cast<ObjCMessageExpr>(E))
3580 return /*FIXME:*/Msg->getLeftLoc();
3581 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E))
3582 return DRE->getLocation();
3583 if (const MemberExpr *Member = dyn_cast<MemberExpr>(E))
3584 return Member->getMemberLoc();
3585 if (const ObjCIvarRefExpr *Ivar = dyn_cast<ObjCIvarRefExpr>(E))
3586 return Ivar->getLocation();
3587 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3588 return SizeOfPack->getPackLoc();
3589 if (const ObjCPropertyRefExpr *PropRef = dyn_cast<ObjCPropertyRefExpr>(E))
3590 return PropRef->getLocation();
3592 return E->getLocStart();
3595 static std::string getMangledStructor(std::unique_ptr<MangleContext> &M,
3596 std::unique_ptr<llvm::DataLayout> &DL,
3597 const NamedDecl *ND,
3598 unsigned StructorType) {
3599 std::string FrontendBuf;
3600 llvm::raw_string_ostream FOS(FrontendBuf);
3602 if (const auto *CD = dyn_cast_or_null<CXXConstructorDecl>(ND))
3603 M->mangleCXXCtor(CD, static_cast<CXXCtorType>(StructorType), FOS);
3604 else if (const auto *DD = dyn_cast_or_null<CXXDestructorDecl>(ND))
3605 M->mangleCXXDtor(DD, static_cast<CXXDtorType>(StructorType), FOS);
3607 std::string BackendBuf;
3608 llvm::raw_string_ostream BOS(BackendBuf);
3610 llvm::Mangler::getNameWithPrefix(BOS, llvm::Twine(FOS.str()), *DL);
3617 unsigned clang_visitChildren(CXCursor parent,
3618 CXCursorVisitor visitor,
3619 CXClientData client_data) {
3620 CursorVisitor CursorVis(getCursorTU(parent), visitor, client_data,
3621 /*VisitPreprocessorLast=*/false);
3622 return CursorVis.VisitChildren(parent);
3625 #ifndef __has_feature
3626 #define __has_feature(x) 0
3628 #if __has_feature(blocks)
3629 typedef enum CXChildVisitResult
3630 (^CXCursorVisitorBlock)(CXCursor cursor, CXCursor parent);
3632 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
3633 CXClientData client_data) {
3634 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
3635 return block(cursor, parent);
3638 // If we are compiled with a compiler that doesn't have native blocks support,
3639 // define and call the block manually, so the
3640 typedef struct _CXChildVisitResult
3645 enum CXChildVisitResult(*invoke)(struct _CXChildVisitResult*, CXCursor,
3647 } *CXCursorVisitorBlock;
3649 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
3650 CXClientData client_data) {
3651 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
3652 return block->invoke(block, cursor, parent);
3657 unsigned clang_visitChildrenWithBlock(CXCursor parent,
3658 CXCursorVisitorBlock block) {
3659 return clang_visitChildren(parent, visitWithBlock, block);
3662 static CXString getDeclSpelling(const Decl *D) {
3664 return cxstring::createEmpty();
3666 const NamedDecl *ND = dyn_cast<NamedDecl>(D);
3668 if (const ObjCPropertyImplDecl *PropImpl =
3669 dyn_cast<ObjCPropertyImplDecl>(D))
3670 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
3671 return cxstring::createDup(Property->getIdentifier()->getName());
3673 if (const ImportDecl *ImportD = dyn_cast<ImportDecl>(D))
3674 if (Module *Mod = ImportD->getImportedModule())
3675 return cxstring::createDup(Mod->getFullModuleName());
3677 return cxstring::createEmpty();
3680 if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(ND))
3681 return cxstring::createDup(OMD->getSelector().getAsString());
3683 if (const ObjCCategoryImplDecl *CIMP = dyn_cast<ObjCCategoryImplDecl>(ND))
3684 // No, this isn't the same as the code below. getIdentifier() is non-virtual
3685 // and returns different names. NamedDecl returns the class name and
3686 // ObjCCategoryImplDecl returns the category name.
3687 return cxstring::createRef(CIMP->getIdentifier()->getNameStart());
3689 if (isa<UsingDirectiveDecl>(D))
3690 return cxstring::createEmpty();
3692 SmallString<1024> S;
3693 llvm::raw_svector_ostream os(S);
3696 return cxstring::createDup(os.str());
3699 CXString clang_getCursorSpelling(CXCursor C) {
3700 if (clang_isTranslationUnit(C.kind))
3701 return clang_getTranslationUnitSpelling(getCursorTU(C));
3703 if (clang_isReference(C.kind)) {
3705 case CXCursor_ObjCSuperClassRef: {
3706 const ObjCInterfaceDecl *Super = getCursorObjCSuperClassRef(C).first;
3707 return cxstring::createRef(Super->getIdentifier()->getNameStart());
3709 case CXCursor_ObjCClassRef: {
3710 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
3711 return cxstring::createRef(Class->getIdentifier()->getNameStart());
3713 case CXCursor_ObjCProtocolRef: {
3714 const ObjCProtocolDecl *OID = getCursorObjCProtocolRef(C).first;
3715 assert(OID && "getCursorSpelling(): Missing protocol decl");
3716 return cxstring::createRef(OID->getIdentifier()->getNameStart());
3718 case CXCursor_CXXBaseSpecifier: {
3719 const CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
3720 return cxstring::createDup(B->getType().getAsString());
3722 case CXCursor_TypeRef: {
3723 const TypeDecl *Type = getCursorTypeRef(C).first;
3724 assert(Type && "Missing type decl");
3726 return cxstring::createDup(getCursorContext(C).getTypeDeclType(Type).
3729 case CXCursor_TemplateRef: {
3730 const TemplateDecl *Template = getCursorTemplateRef(C).first;
3731 assert(Template && "Missing template decl");
3733 return cxstring::createDup(Template->getNameAsString());
3736 case CXCursor_NamespaceRef: {
3737 const NamedDecl *NS = getCursorNamespaceRef(C).first;
3738 assert(NS && "Missing namespace decl");
3740 return cxstring::createDup(NS->getNameAsString());
3743 case CXCursor_MemberRef: {
3744 const FieldDecl *Field = getCursorMemberRef(C).first;
3745 assert(Field && "Missing member decl");
3747 return cxstring::createDup(Field->getNameAsString());
3750 case CXCursor_LabelRef: {
3751 const LabelStmt *Label = getCursorLabelRef(C).first;
3752 assert(Label && "Missing label");
3754 return cxstring::createRef(Label->getName());
3757 case CXCursor_OverloadedDeclRef: {
3758 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
3759 if (const Decl *D = Storage.dyn_cast<const Decl *>()) {
3760 if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
3761 return cxstring::createDup(ND->getNameAsString());
3762 return cxstring::createEmpty();
3764 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
3765 return cxstring::createDup(E->getName().getAsString());
3766 OverloadedTemplateStorage *Ovl
3767 = Storage.get<OverloadedTemplateStorage*>();
3768 if (Ovl->size() == 0)
3769 return cxstring::createEmpty();
3770 return cxstring::createDup((*Ovl->begin())->getNameAsString());
3773 case CXCursor_VariableRef: {
3774 const VarDecl *Var = getCursorVariableRef(C).first;
3775 assert(Var && "Missing variable decl");
3777 return cxstring::createDup(Var->getNameAsString());
3781 return cxstring::createRef("<not implemented>");
3785 if (clang_isExpression(C.kind)) {
3786 const Expr *E = getCursorExpr(C);
3788 if (C.kind == CXCursor_ObjCStringLiteral ||
3789 C.kind == CXCursor_StringLiteral) {
3790 const StringLiteral *SLit;
3791 if (const ObjCStringLiteral *OSL = dyn_cast<ObjCStringLiteral>(E)) {
3792 SLit = OSL->getString();
3794 SLit = cast<StringLiteral>(E);
3796 SmallString<256> Buf;
3797 llvm::raw_svector_ostream OS(Buf);
3798 SLit->outputString(OS);
3799 return cxstring::createDup(OS.str());
3802 const Decl *D = getDeclFromExpr(getCursorExpr(C));
3804 return getDeclSpelling(D);
3805 return cxstring::createEmpty();
3808 if (clang_isStatement(C.kind)) {
3809 const Stmt *S = getCursorStmt(C);
3810 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S))
3811 return cxstring::createRef(Label->getName());
3813 return cxstring::createEmpty();
3816 if (C.kind == CXCursor_MacroExpansion)
3817 return cxstring::createRef(getCursorMacroExpansion(C).getName()
3820 if (C.kind == CXCursor_MacroDefinition)
3821 return cxstring::createRef(getCursorMacroDefinition(C)->getName()
3824 if (C.kind == CXCursor_InclusionDirective)
3825 return cxstring::createDup(getCursorInclusionDirective(C)->getFileName());
3827 if (clang_isDeclaration(C.kind))
3828 return getDeclSpelling(getCursorDecl(C));
3830 if (C.kind == CXCursor_AnnotateAttr) {
3831 const AnnotateAttr *AA = cast<AnnotateAttr>(cxcursor::getCursorAttr(C));
3832 return cxstring::createDup(AA->getAnnotation());
3835 if (C.kind == CXCursor_AsmLabelAttr) {
3836 const AsmLabelAttr *AA = cast<AsmLabelAttr>(cxcursor::getCursorAttr(C));
3837 return cxstring::createDup(AA->getLabel());
3840 if (C.kind == CXCursor_PackedAttr) {
3841 return cxstring::createRef("packed");
3844 if (C.kind == CXCursor_VisibilityAttr) {
3845 const VisibilityAttr *AA = cast<VisibilityAttr>(cxcursor::getCursorAttr(C));
3846 switch (AA->getVisibility()) {
3847 case VisibilityAttr::VisibilityType::Default:
3848 return cxstring::createRef("default");
3849 case VisibilityAttr::VisibilityType::Hidden:
3850 return cxstring::createRef("hidden");
3851 case VisibilityAttr::VisibilityType::Protected:
3852 return cxstring::createRef("protected");
3854 llvm_unreachable("unknown visibility type");
3857 return cxstring::createEmpty();
3860 CXSourceRange clang_Cursor_getSpellingNameRange(CXCursor C,
3861 unsigned pieceIndex,
3863 if (clang_Cursor_isNull(C))
3864 return clang_getNullRange();
3866 ASTContext &Ctx = getCursorContext(C);
3868 if (clang_isStatement(C.kind)) {
3869 const Stmt *S = getCursorStmt(C);
3870 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S)) {
3872 return clang_getNullRange();
3873 return cxloc::translateSourceRange(Ctx, Label->getIdentLoc());
3876 return clang_getNullRange();
3879 if (C.kind == CXCursor_ObjCMessageExpr) {
3880 if (const ObjCMessageExpr *
3881 ME = dyn_cast_or_null<ObjCMessageExpr>(getCursorExpr(C))) {
3882 if (pieceIndex >= ME->getNumSelectorLocs())
3883 return clang_getNullRange();
3884 return cxloc::translateSourceRange(Ctx, ME->getSelectorLoc(pieceIndex));
3888 if (C.kind == CXCursor_ObjCInstanceMethodDecl ||
3889 C.kind == CXCursor_ObjCClassMethodDecl) {
3890 if (const ObjCMethodDecl *
3891 MD = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(C))) {
3892 if (pieceIndex >= MD->getNumSelectorLocs())
3893 return clang_getNullRange();
3894 return cxloc::translateSourceRange(Ctx, MD->getSelectorLoc(pieceIndex));
3898 if (C.kind == CXCursor_ObjCCategoryDecl ||
3899 C.kind == CXCursor_ObjCCategoryImplDecl) {
3901 return clang_getNullRange();
3902 if (const ObjCCategoryDecl *
3903 CD = dyn_cast_or_null<ObjCCategoryDecl>(getCursorDecl(C)))
3904 return cxloc::translateSourceRange(Ctx, CD->getCategoryNameLoc());
3905 if (const ObjCCategoryImplDecl *
3906 CID = dyn_cast_or_null<ObjCCategoryImplDecl>(getCursorDecl(C)))
3907 return cxloc::translateSourceRange(Ctx, CID->getCategoryNameLoc());
3910 if (C.kind == CXCursor_ModuleImportDecl) {
3912 return clang_getNullRange();
3913 if (const ImportDecl *ImportD =
3914 dyn_cast_or_null<ImportDecl>(getCursorDecl(C))) {
3915 ArrayRef<SourceLocation> Locs = ImportD->getIdentifierLocs();
3917 return cxloc::translateSourceRange(Ctx,
3918 SourceRange(Locs.front(), Locs.back()));
3920 return clang_getNullRange();
3923 if (C.kind == CXCursor_CXXMethod || C.kind == CXCursor_Destructor ||
3924 C.kind == CXCursor_ConversionFunction) {
3926 return clang_getNullRange();
3927 if (const FunctionDecl *FD =
3928 dyn_cast_or_null<FunctionDecl>(getCursorDecl(C))) {
3929 DeclarationNameInfo FunctionName = FD->getNameInfo();
3930 return cxloc::translateSourceRange(Ctx, FunctionName.getSourceRange());
3932 return clang_getNullRange();
3935 // FIXME: A CXCursor_InclusionDirective should give the location of the
3936 // filename, but we don't keep track of this.
3938 // FIXME: A CXCursor_AnnotateAttr should give the location of the annotation
3939 // but we don't keep track of this.
3941 // FIXME: A CXCursor_AsmLabelAttr should give the location of the label
3942 // but we don't keep track of this.
3944 // Default handling, give the location of the cursor.
3947 return clang_getNullRange();
3949 CXSourceLocation CXLoc = clang_getCursorLocation(C);
3950 SourceLocation Loc = cxloc::translateSourceLocation(CXLoc);
3951 return cxloc::translateSourceRange(Ctx, Loc);
3954 CXString clang_Cursor_getMangling(CXCursor C) {
3955 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
3956 return cxstring::createEmpty();
3958 // Mangling only works for functions and variables.
3959 const Decl *D = getCursorDecl(C);
3960 if (!D || !(isa<FunctionDecl>(D) || isa<VarDecl>(D)))
3961 return cxstring::createEmpty();
3963 // First apply frontend mangling.
3964 const NamedDecl *ND = cast<NamedDecl>(D);
3965 ASTContext &Ctx = ND->getASTContext();
3966 std::unique_ptr<MangleContext> MC(Ctx.createMangleContext());
3968 std::string FrontendBuf;
3969 llvm::raw_string_ostream FrontendBufOS(FrontendBuf);
3970 if (MC->shouldMangleDeclName(ND)) {
3971 MC->mangleName(ND, FrontendBufOS);
3973 ND->printName(FrontendBufOS);
3976 // Now apply backend mangling.
3977 std::unique_ptr<llvm::DataLayout> DL(
3978 new llvm::DataLayout(Ctx.getTargetInfo().getDataLayoutString()));
3980 std::string FinalBuf;
3981 llvm::raw_string_ostream FinalBufOS(FinalBuf);
3982 llvm::Mangler::getNameWithPrefix(FinalBufOS, llvm::Twine(FrontendBufOS.str()),
3985 return cxstring::createDup(FinalBufOS.str());
3988 CXStringSet *clang_Cursor_getCXXManglings(CXCursor C) {
3989 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
3992 const Decl *D = getCursorDecl(C);
3993 if (!(isa<CXXRecordDecl>(D) || isa<CXXMethodDecl>(D)))
3996 const NamedDecl *ND = cast<NamedDecl>(D);
3998 ASTContext &Ctx = ND->getASTContext();
3999 std::unique_ptr<MangleContext> M(Ctx.createMangleContext());
4000 std::unique_ptr<llvm::DataLayout> DL(
4001 new llvm::DataLayout(Ctx.getTargetInfo().getDataLayoutString()));
4003 std::vector<std::string> Manglings;
4005 auto hasDefaultCXXMethodCC = [](ASTContext &C, const CXXMethodDecl *MD) {
4006 auto DefaultCC = C.getDefaultCallingConvention(/*IsVariadic=*/false,
4007 /*IsCSSMethod=*/true);
4008 auto CC = MD->getType()->getAs<FunctionProtoType>()->getCallConv();
4009 return CC == DefaultCC;
4012 if (const auto *CD = dyn_cast_or_null<CXXConstructorDecl>(ND)) {
4013 Manglings.emplace_back(getMangledStructor(M, DL, CD, Ctor_Base));
4015 if (Ctx.getTargetInfo().getCXXABI().isItaniumFamily())
4016 if (!CD->getParent()->isAbstract())
4017 Manglings.emplace_back(getMangledStructor(M, DL, CD, Ctor_Complete));
4019 if (Ctx.getTargetInfo().getCXXABI().isMicrosoft())
4020 if (CD->hasAttr<DLLExportAttr>() && CD->isDefaultConstructor())
4021 if (!(hasDefaultCXXMethodCC(Ctx, CD) && CD->getNumParams() == 0))
4022 Manglings.emplace_back(getMangledStructor(M, DL, CD,
4023 Ctor_DefaultClosure));
4024 } else if (const auto *DD = dyn_cast_or_null<CXXDestructorDecl>(ND)) {
4025 Manglings.emplace_back(getMangledStructor(M, DL, DD, Dtor_Base));
4026 if (Ctx.getTargetInfo().getCXXABI().isItaniumFamily()) {
4027 Manglings.emplace_back(getMangledStructor(M, DL, DD, Dtor_Complete));
4028 if (DD->isVirtual())
4029 Manglings.emplace_back(getMangledStructor(M, DL, DD, Dtor_Deleting));
4033 return cxstring::createSet(Manglings);
4036 CXString clang_getCursorDisplayName(CXCursor C) {
4037 if (!clang_isDeclaration(C.kind))
4038 return clang_getCursorSpelling(C);
4040 const Decl *D = getCursorDecl(C);
4042 return cxstring::createEmpty();
4044 PrintingPolicy Policy = getCursorContext(C).getPrintingPolicy();
4045 if (const FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(D))
4046 D = FunTmpl->getTemplatedDecl();
4048 if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
4049 SmallString<64> Str;
4050 llvm::raw_svector_ostream OS(Str);
4052 if (Function->getPrimaryTemplate())
4055 for (unsigned I = 0, N = Function->getNumParams(); I != N; ++I) {
4058 OS << Function->getParamDecl(I)->getType().getAsString(Policy);
4061 if (Function->isVariadic()) {
4062 if (Function->getNumParams())
4067 return cxstring::createDup(OS.str());
4070 if (const ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(D)) {
4071 SmallString<64> Str;
4072 llvm::raw_svector_ostream OS(Str);
4073 OS << *ClassTemplate;
4075 TemplateParameterList *Params = ClassTemplate->getTemplateParameters();
4076 for (unsigned I = 0, N = Params->size(); I != N; ++I) {
4080 NamedDecl *Param = Params->getParam(I);
4081 if (Param->getIdentifier()) {
4082 OS << Param->getIdentifier()->getName();
4086 // There is no parameter name, which makes this tricky. Try to come up
4087 // with something useful that isn't too long.
4088 if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Param))
4089 OS << (TTP->wasDeclaredWithTypename()? "typename" : "class");
4090 else if (NonTypeTemplateParmDecl *NTTP
4091 = dyn_cast<NonTypeTemplateParmDecl>(Param))
4092 OS << NTTP->getType().getAsString(Policy);
4094 OS << "template<...> class";
4098 return cxstring::createDup(OS.str());
4101 if (const ClassTemplateSpecializationDecl *ClassSpec
4102 = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
4103 // If the type was explicitly written, use that.
4104 if (TypeSourceInfo *TSInfo = ClassSpec->getTypeAsWritten())
4105 return cxstring::createDup(TSInfo->getType().getAsString(Policy));
4107 SmallString<128> Str;
4108 llvm::raw_svector_ostream OS(Str);
4110 TemplateSpecializationType::PrintTemplateArgumentList(OS,
4111 ClassSpec->getTemplateArgs().data(),
4112 ClassSpec->getTemplateArgs().size(),
4114 return cxstring::createDup(OS.str());
4117 return clang_getCursorSpelling(C);
4120 CXString clang_getCursorKindSpelling(enum CXCursorKind Kind) {
4122 case CXCursor_FunctionDecl:
4123 return cxstring::createRef("FunctionDecl");
4124 case CXCursor_TypedefDecl:
4125 return cxstring::createRef("TypedefDecl");
4126 case CXCursor_EnumDecl:
4127 return cxstring::createRef("EnumDecl");
4128 case CXCursor_EnumConstantDecl:
4129 return cxstring::createRef("EnumConstantDecl");
4130 case CXCursor_StructDecl:
4131 return cxstring::createRef("StructDecl");
4132 case CXCursor_UnionDecl:
4133 return cxstring::createRef("UnionDecl");
4134 case CXCursor_ClassDecl:
4135 return cxstring::createRef("ClassDecl");
4136 case CXCursor_FieldDecl:
4137 return cxstring::createRef("FieldDecl");
4138 case CXCursor_VarDecl:
4139 return cxstring::createRef("VarDecl");
4140 case CXCursor_ParmDecl:
4141 return cxstring::createRef("ParmDecl");
4142 case CXCursor_ObjCInterfaceDecl:
4143 return cxstring::createRef("ObjCInterfaceDecl");
4144 case CXCursor_ObjCCategoryDecl:
4145 return cxstring::createRef("ObjCCategoryDecl");
4146 case CXCursor_ObjCProtocolDecl:
4147 return cxstring::createRef("ObjCProtocolDecl");
4148 case CXCursor_ObjCPropertyDecl:
4149 return cxstring::createRef("ObjCPropertyDecl");
4150 case CXCursor_ObjCIvarDecl:
4151 return cxstring::createRef("ObjCIvarDecl");
4152 case CXCursor_ObjCInstanceMethodDecl:
4153 return cxstring::createRef("ObjCInstanceMethodDecl");
4154 case CXCursor_ObjCClassMethodDecl:
4155 return cxstring::createRef("ObjCClassMethodDecl");
4156 case CXCursor_ObjCImplementationDecl:
4157 return cxstring::createRef("ObjCImplementationDecl");
4158 case CXCursor_ObjCCategoryImplDecl:
4159 return cxstring::createRef("ObjCCategoryImplDecl");
4160 case CXCursor_CXXMethod:
4161 return cxstring::createRef("CXXMethod");
4162 case CXCursor_UnexposedDecl:
4163 return cxstring::createRef("UnexposedDecl");
4164 case CXCursor_ObjCSuperClassRef:
4165 return cxstring::createRef("ObjCSuperClassRef");
4166 case CXCursor_ObjCProtocolRef:
4167 return cxstring::createRef("ObjCProtocolRef");
4168 case CXCursor_ObjCClassRef:
4169 return cxstring::createRef("ObjCClassRef");
4170 case CXCursor_TypeRef:
4171 return cxstring::createRef("TypeRef");
4172 case CXCursor_TemplateRef:
4173 return cxstring::createRef("TemplateRef");
4174 case CXCursor_NamespaceRef:
4175 return cxstring::createRef("NamespaceRef");
4176 case CXCursor_MemberRef:
4177 return cxstring::createRef("MemberRef");
4178 case CXCursor_LabelRef:
4179 return cxstring::createRef("LabelRef");
4180 case CXCursor_OverloadedDeclRef:
4181 return cxstring::createRef("OverloadedDeclRef");
4182 case CXCursor_VariableRef:
4183 return cxstring::createRef("VariableRef");
4184 case CXCursor_IntegerLiteral:
4185 return cxstring::createRef("IntegerLiteral");
4186 case CXCursor_FloatingLiteral:
4187 return cxstring::createRef("FloatingLiteral");
4188 case CXCursor_ImaginaryLiteral:
4189 return cxstring::createRef("ImaginaryLiteral");
4190 case CXCursor_StringLiteral:
4191 return cxstring::createRef("StringLiteral");
4192 case CXCursor_CharacterLiteral:
4193 return cxstring::createRef("CharacterLiteral");
4194 case CXCursor_ParenExpr:
4195 return cxstring::createRef("ParenExpr");
4196 case CXCursor_UnaryOperator:
4197 return cxstring::createRef("UnaryOperator");
4198 case CXCursor_ArraySubscriptExpr:
4199 return cxstring::createRef("ArraySubscriptExpr");
4200 case CXCursor_OMPArraySectionExpr:
4201 return cxstring::createRef("OMPArraySectionExpr");
4202 case CXCursor_BinaryOperator:
4203 return cxstring::createRef("BinaryOperator");
4204 case CXCursor_CompoundAssignOperator:
4205 return cxstring::createRef("CompoundAssignOperator");
4206 case CXCursor_ConditionalOperator:
4207 return cxstring::createRef("ConditionalOperator");
4208 case CXCursor_CStyleCastExpr:
4209 return cxstring::createRef("CStyleCastExpr");
4210 case CXCursor_CompoundLiteralExpr:
4211 return cxstring::createRef("CompoundLiteralExpr");
4212 case CXCursor_InitListExpr:
4213 return cxstring::createRef("InitListExpr");
4214 case CXCursor_AddrLabelExpr:
4215 return cxstring::createRef("AddrLabelExpr");
4216 case CXCursor_StmtExpr:
4217 return cxstring::createRef("StmtExpr");
4218 case CXCursor_GenericSelectionExpr:
4219 return cxstring::createRef("GenericSelectionExpr");
4220 case CXCursor_GNUNullExpr:
4221 return cxstring::createRef("GNUNullExpr");
4222 case CXCursor_CXXStaticCastExpr:
4223 return cxstring::createRef("CXXStaticCastExpr");
4224 case CXCursor_CXXDynamicCastExpr:
4225 return cxstring::createRef("CXXDynamicCastExpr");
4226 case CXCursor_CXXReinterpretCastExpr:
4227 return cxstring::createRef("CXXReinterpretCastExpr");
4228 case CXCursor_CXXConstCastExpr:
4229 return cxstring::createRef("CXXConstCastExpr");
4230 case CXCursor_CXXFunctionalCastExpr:
4231 return cxstring::createRef("CXXFunctionalCastExpr");
4232 case CXCursor_CXXTypeidExpr:
4233 return cxstring::createRef("CXXTypeidExpr");
4234 case CXCursor_CXXBoolLiteralExpr:
4235 return cxstring::createRef("CXXBoolLiteralExpr");
4236 case CXCursor_CXXNullPtrLiteralExpr:
4237 return cxstring::createRef("CXXNullPtrLiteralExpr");
4238 case CXCursor_CXXThisExpr:
4239 return cxstring::createRef("CXXThisExpr");
4240 case CXCursor_CXXThrowExpr:
4241 return cxstring::createRef("CXXThrowExpr");
4242 case CXCursor_CXXNewExpr:
4243 return cxstring::createRef("CXXNewExpr");
4244 case CXCursor_CXXDeleteExpr:
4245 return cxstring::createRef("CXXDeleteExpr");
4246 case CXCursor_UnaryExpr:
4247 return cxstring::createRef("UnaryExpr");
4248 case CXCursor_ObjCStringLiteral:
4249 return cxstring::createRef("ObjCStringLiteral");
4250 case CXCursor_ObjCBoolLiteralExpr:
4251 return cxstring::createRef("ObjCBoolLiteralExpr");
4252 case CXCursor_ObjCSelfExpr:
4253 return cxstring::createRef("ObjCSelfExpr");
4254 case CXCursor_ObjCEncodeExpr:
4255 return cxstring::createRef("ObjCEncodeExpr");
4256 case CXCursor_ObjCSelectorExpr:
4257 return cxstring::createRef("ObjCSelectorExpr");
4258 case CXCursor_ObjCProtocolExpr:
4259 return cxstring::createRef("ObjCProtocolExpr");
4260 case CXCursor_ObjCBridgedCastExpr:
4261 return cxstring::createRef("ObjCBridgedCastExpr");
4262 case CXCursor_BlockExpr:
4263 return cxstring::createRef("BlockExpr");
4264 case CXCursor_PackExpansionExpr:
4265 return cxstring::createRef("PackExpansionExpr");
4266 case CXCursor_SizeOfPackExpr:
4267 return cxstring::createRef("SizeOfPackExpr");
4268 case CXCursor_LambdaExpr:
4269 return cxstring::createRef("LambdaExpr");
4270 case CXCursor_UnexposedExpr:
4271 return cxstring::createRef("UnexposedExpr");
4272 case CXCursor_DeclRefExpr:
4273 return cxstring::createRef("DeclRefExpr");
4274 case CXCursor_MemberRefExpr:
4275 return cxstring::createRef("MemberRefExpr");
4276 case CXCursor_CallExpr:
4277 return cxstring::createRef("CallExpr");
4278 case CXCursor_ObjCMessageExpr:
4279 return cxstring::createRef("ObjCMessageExpr");
4280 case CXCursor_UnexposedStmt:
4281 return cxstring::createRef("UnexposedStmt");
4282 case CXCursor_DeclStmt:
4283 return cxstring::createRef("DeclStmt");
4284 case CXCursor_LabelStmt:
4285 return cxstring::createRef("LabelStmt");
4286 case CXCursor_CompoundStmt:
4287 return cxstring::createRef("CompoundStmt");
4288 case CXCursor_CaseStmt:
4289 return cxstring::createRef("CaseStmt");
4290 case CXCursor_DefaultStmt:
4291 return cxstring::createRef("DefaultStmt");
4292 case CXCursor_IfStmt:
4293 return cxstring::createRef("IfStmt");
4294 case CXCursor_SwitchStmt:
4295 return cxstring::createRef("SwitchStmt");
4296 case CXCursor_WhileStmt:
4297 return cxstring::createRef("WhileStmt");
4298 case CXCursor_DoStmt:
4299 return cxstring::createRef("DoStmt");
4300 case CXCursor_ForStmt:
4301 return cxstring::createRef("ForStmt");
4302 case CXCursor_GotoStmt:
4303 return cxstring::createRef("GotoStmt");
4304 case CXCursor_IndirectGotoStmt:
4305 return cxstring::createRef("IndirectGotoStmt");
4306 case CXCursor_ContinueStmt:
4307 return cxstring::createRef("ContinueStmt");
4308 case CXCursor_BreakStmt:
4309 return cxstring::createRef("BreakStmt");
4310 case CXCursor_ReturnStmt:
4311 return cxstring::createRef("ReturnStmt");
4312 case CXCursor_GCCAsmStmt:
4313 return cxstring::createRef("GCCAsmStmt");
4314 case CXCursor_MSAsmStmt:
4315 return cxstring::createRef("MSAsmStmt");
4316 case CXCursor_ObjCAtTryStmt:
4317 return cxstring::createRef("ObjCAtTryStmt");
4318 case CXCursor_ObjCAtCatchStmt:
4319 return cxstring::createRef("ObjCAtCatchStmt");
4320 case CXCursor_ObjCAtFinallyStmt:
4321 return cxstring::createRef("ObjCAtFinallyStmt");
4322 case CXCursor_ObjCAtThrowStmt:
4323 return cxstring::createRef("ObjCAtThrowStmt");
4324 case CXCursor_ObjCAtSynchronizedStmt:
4325 return cxstring::createRef("ObjCAtSynchronizedStmt");
4326 case CXCursor_ObjCAutoreleasePoolStmt:
4327 return cxstring::createRef("ObjCAutoreleasePoolStmt");
4328 case CXCursor_ObjCForCollectionStmt:
4329 return cxstring::createRef("ObjCForCollectionStmt");
4330 case CXCursor_CXXCatchStmt:
4331 return cxstring::createRef("CXXCatchStmt");
4332 case CXCursor_CXXTryStmt:
4333 return cxstring::createRef("CXXTryStmt");
4334 case CXCursor_CXXForRangeStmt:
4335 return cxstring::createRef("CXXForRangeStmt");
4336 case CXCursor_SEHTryStmt:
4337 return cxstring::createRef("SEHTryStmt");
4338 case CXCursor_SEHExceptStmt:
4339 return cxstring::createRef("SEHExceptStmt");
4340 case CXCursor_SEHFinallyStmt:
4341 return cxstring::createRef("SEHFinallyStmt");
4342 case CXCursor_SEHLeaveStmt:
4343 return cxstring::createRef("SEHLeaveStmt");
4344 case CXCursor_NullStmt:
4345 return cxstring::createRef("NullStmt");
4346 case CXCursor_InvalidFile:
4347 return cxstring::createRef("InvalidFile");
4348 case CXCursor_InvalidCode:
4349 return cxstring::createRef("InvalidCode");
4350 case CXCursor_NoDeclFound:
4351 return cxstring::createRef("NoDeclFound");
4352 case CXCursor_NotImplemented:
4353 return cxstring::createRef("NotImplemented");
4354 case CXCursor_TranslationUnit:
4355 return cxstring::createRef("TranslationUnit");
4356 case CXCursor_UnexposedAttr:
4357 return cxstring::createRef("UnexposedAttr");
4358 case CXCursor_IBActionAttr:
4359 return cxstring::createRef("attribute(ibaction)");
4360 case CXCursor_IBOutletAttr:
4361 return cxstring::createRef("attribute(iboutlet)");
4362 case CXCursor_IBOutletCollectionAttr:
4363 return cxstring::createRef("attribute(iboutletcollection)");
4364 case CXCursor_CXXFinalAttr:
4365 return cxstring::createRef("attribute(final)");
4366 case CXCursor_CXXOverrideAttr:
4367 return cxstring::createRef("attribute(override)");
4368 case CXCursor_AnnotateAttr:
4369 return cxstring::createRef("attribute(annotate)");
4370 case CXCursor_AsmLabelAttr:
4371 return cxstring::createRef("asm label");
4372 case CXCursor_PackedAttr:
4373 return cxstring::createRef("attribute(packed)");
4374 case CXCursor_PureAttr:
4375 return cxstring::createRef("attribute(pure)");
4376 case CXCursor_ConstAttr:
4377 return cxstring::createRef("attribute(const)");
4378 case CXCursor_NoDuplicateAttr:
4379 return cxstring::createRef("attribute(noduplicate)");
4380 case CXCursor_CUDAConstantAttr:
4381 return cxstring::createRef("attribute(constant)");
4382 case CXCursor_CUDADeviceAttr:
4383 return cxstring::createRef("attribute(device)");
4384 case CXCursor_CUDAGlobalAttr:
4385 return cxstring::createRef("attribute(global)");
4386 case CXCursor_CUDAHostAttr:
4387 return cxstring::createRef("attribute(host)");
4388 case CXCursor_CUDASharedAttr:
4389 return cxstring::createRef("attribute(shared)");
4390 case CXCursor_VisibilityAttr:
4391 return cxstring::createRef("attribute(visibility)");
4392 case CXCursor_PreprocessingDirective:
4393 return cxstring::createRef("preprocessing directive");
4394 case CXCursor_MacroDefinition:
4395 return cxstring::createRef("macro definition");
4396 case CXCursor_MacroExpansion:
4397 return cxstring::createRef("macro expansion");
4398 case CXCursor_InclusionDirective:
4399 return cxstring::createRef("inclusion directive");
4400 case CXCursor_Namespace:
4401 return cxstring::createRef("Namespace");
4402 case CXCursor_LinkageSpec:
4403 return cxstring::createRef("LinkageSpec");
4404 case CXCursor_CXXBaseSpecifier:
4405 return cxstring::createRef("C++ base class specifier");
4406 case CXCursor_Constructor:
4407 return cxstring::createRef("CXXConstructor");
4408 case CXCursor_Destructor:
4409 return cxstring::createRef("CXXDestructor");
4410 case CXCursor_ConversionFunction:
4411 return cxstring::createRef("CXXConversion");
4412 case CXCursor_TemplateTypeParameter:
4413 return cxstring::createRef("TemplateTypeParameter");
4414 case CXCursor_NonTypeTemplateParameter:
4415 return cxstring::createRef("NonTypeTemplateParameter");
4416 case CXCursor_TemplateTemplateParameter:
4417 return cxstring::createRef("TemplateTemplateParameter");
4418 case CXCursor_FunctionTemplate:
4419 return cxstring::createRef("FunctionTemplate");
4420 case CXCursor_ClassTemplate:
4421 return cxstring::createRef("ClassTemplate");
4422 case CXCursor_ClassTemplatePartialSpecialization:
4423 return cxstring::createRef("ClassTemplatePartialSpecialization");
4424 case CXCursor_NamespaceAlias:
4425 return cxstring::createRef("NamespaceAlias");
4426 case CXCursor_UsingDirective:
4427 return cxstring::createRef("UsingDirective");
4428 case CXCursor_UsingDeclaration:
4429 return cxstring::createRef("UsingDeclaration");
4430 case CXCursor_TypeAliasDecl:
4431 return cxstring::createRef("TypeAliasDecl");
4432 case CXCursor_ObjCSynthesizeDecl:
4433 return cxstring::createRef("ObjCSynthesizeDecl");
4434 case CXCursor_ObjCDynamicDecl:
4435 return cxstring::createRef("ObjCDynamicDecl");
4436 case CXCursor_CXXAccessSpecifier:
4437 return cxstring::createRef("CXXAccessSpecifier");
4438 case CXCursor_ModuleImportDecl:
4439 return cxstring::createRef("ModuleImport");
4440 case CXCursor_OMPParallelDirective:
4441 return cxstring::createRef("OMPParallelDirective");
4442 case CXCursor_OMPSimdDirective:
4443 return cxstring::createRef("OMPSimdDirective");
4444 case CXCursor_OMPForDirective:
4445 return cxstring::createRef("OMPForDirective");
4446 case CXCursor_OMPForSimdDirective:
4447 return cxstring::createRef("OMPForSimdDirective");
4448 case CXCursor_OMPSectionsDirective:
4449 return cxstring::createRef("OMPSectionsDirective");
4450 case CXCursor_OMPSectionDirective:
4451 return cxstring::createRef("OMPSectionDirective");
4452 case CXCursor_OMPSingleDirective:
4453 return cxstring::createRef("OMPSingleDirective");
4454 case CXCursor_OMPMasterDirective:
4455 return cxstring::createRef("OMPMasterDirective");
4456 case CXCursor_OMPCriticalDirective:
4457 return cxstring::createRef("OMPCriticalDirective");
4458 case CXCursor_OMPParallelForDirective:
4459 return cxstring::createRef("OMPParallelForDirective");
4460 case CXCursor_OMPParallelForSimdDirective:
4461 return cxstring::createRef("OMPParallelForSimdDirective");
4462 case CXCursor_OMPParallelSectionsDirective:
4463 return cxstring::createRef("OMPParallelSectionsDirective");
4464 case CXCursor_OMPTaskDirective:
4465 return cxstring::createRef("OMPTaskDirective");
4466 case CXCursor_OMPTaskyieldDirective:
4467 return cxstring::createRef("OMPTaskyieldDirective");
4468 case CXCursor_OMPBarrierDirective:
4469 return cxstring::createRef("OMPBarrierDirective");
4470 case CXCursor_OMPTaskwaitDirective:
4471 return cxstring::createRef("OMPTaskwaitDirective");
4472 case CXCursor_OMPTaskgroupDirective:
4473 return cxstring::createRef("OMPTaskgroupDirective");
4474 case CXCursor_OMPFlushDirective:
4475 return cxstring::createRef("OMPFlushDirective");
4476 case CXCursor_OMPOrderedDirective:
4477 return cxstring::createRef("OMPOrderedDirective");
4478 case CXCursor_OMPAtomicDirective:
4479 return cxstring::createRef("OMPAtomicDirective");
4480 case CXCursor_OMPTargetDirective:
4481 return cxstring::createRef("OMPTargetDirective");
4482 case CXCursor_OMPTargetDataDirective:
4483 return cxstring::createRef("OMPTargetDataDirective");
4484 case CXCursor_OMPTeamsDirective:
4485 return cxstring::createRef("OMPTeamsDirective");
4486 case CXCursor_OMPCancellationPointDirective:
4487 return cxstring::createRef("OMPCancellationPointDirective");
4488 case CXCursor_OMPCancelDirective:
4489 return cxstring::createRef("OMPCancelDirective");
4490 case CXCursor_OMPTaskLoopDirective:
4491 return cxstring::createRef("OMPTaskLoopDirective");
4492 case CXCursor_OMPTaskLoopSimdDirective:
4493 return cxstring::createRef("OMPTaskLoopSimdDirective");
4494 case CXCursor_OverloadCandidate:
4495 return cxstring::createRef("OverloadCandidate");
4496 case CXCursor_TypeAliasTemplateDecl:
4497 return cxstring::createRef("TypeAliasTemplateDecl");
4500 llvm_unreachable("Unhandled CXCursorKind");
4503 struct GetCursorData {
4504 SourceLocation TokenBeginLoc;
4505 bool PointsAtMacroArgExpansion;
4506 bool VisitedObjCPropertyImplDecl;
4507 SourceLocation VisitedDeclaratorDeclStartLoc;
4508 CXCursor &BestCursor;
4510 GetCursorData(SourceManager &SM,
4511 SourceLocation tokenBegin, CXCursor &outputCursor)
4512 : TokenBeginLoc(tokenBegin), BestCursor(outputCursor) {
4513 PointsAtMacroArgExpansion = SM.isMacroArgExpansion(tokenBegin);
4514 VisitedObjCPropertyImplDecl = false;
4518 static enum CXChildVisitResult GetCursorVisitor(CXCursor cursor,
4520 CXClientData client_data) {
4521 GetCursorData *Data = static_cast<GetCursorData *>(client_data);
4522 CXCursor *BestCursor = &Data->BestCursor;
4524 // If we point inside a macro argument we should provide info of what the
4525 // token is so use the actual cursor, don't replace it with a macro expansion
4527 if (cursor.kind == CXCursor_MacroExpansion && Data->PointsAtMacroArgExpansion)
4528 return CXChildVisit_Recurse;
4530 if (clang_isDeclaration(cursor.kind)) {
4531 // Avoid having the implicit methods override the property decls.
4532 if (const ObjCMethodDecl *MD
4533 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
4534 if (MD->isImplicit())
4535 return CXChildVisit_Break;
4537 } else if (const ObjCInterfaceDecl *ID
4538 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(cursor))) {
4539 // Check that when we have multiple @class references in the same line,
4540 // that later ones do not override the previous ones.
4543 // source ranges for both start at '@', so 'Bar' will end up overriding
4544 // 'Foo' even though the cursor location was at 'Foo'.
4545 if (BestCursor->kind == CXCursor_ObjCInterfaceDecl ||
4546 BestCursor->kind == CXCursor_ObjCClassRef)
4547 if (const ObjCInterfaceDecl *PrevID
4548 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(*BestCursor))){
4550 !PrevID->isThisDeclarationADefinition() &&
4551 !ID->isThisDeclarationADefinition())
4552 return CXChildVisit_Break;
4555 } else if (const DeclaratorDecl *DD
4556 = dyn_cast_or_null<DeclaratorDecl>(getCursorDecl(cursor))) {
4557 SourceLocation StartLoc = DD->getSourceRange().getBegin();
4558 // Check that when we have multiple declarators in the same line,
4559 // that later ones do not override the previous ones.
4562 // source ranges for both start at 'int', so 'Bar' will end up overriding
4563 // 'Foo' even though the cursor location was at 'Foo'.
4564 if (Data->VisitedDeclaratorDeclStartLoc == StartLoc)
4565 return CXChildVisit_Break;
4566 Data->VisitedDeclaratorDeclStartLoc = StartLoc;
4568 } else if (const ObjCPropertyImplDecl *PropImp
4569 = dyn_cast_or_null<ObjCPropertyImplDecl>(getCursorDecl(cursor))) {
4571 // Check that when we have multiple @synthesize in the same line,
4572 // that later ones do not override the previous ones.
4574 // @synthesize Foo, Bar;
4575 // source ranges for both start at '@', so 'Bar' will end up overriding
4576 // 'Foo' even though the cursor location was at 'Foo'.
4577 if (Data->VisitedObjCPropertyImplDecl)
4578 return CXChildVisit_Break;
4579 Data->VisitedObjCPropertyImplDecl = true;
4583 if (clang_isExpression(cursor.kind) &&
4584 clang_isDeclaration(BestCursor->kind)) {
4585 if (const Decl *D = getCursorDecl(*BestCursor)) {
4586 // Avoid having the cursor of an expression replace the declaration cursor
4587 // when the expression source range overlaps the declaration range.
4588 // This can happen for C++ constructor expressions whose range generally
4589 // include the variable declaration, e.g.:
4590 // MyCXXClass foo; // Make sure pointing at 'foo' returns a VarDecl cursor.
4591 if (D->getLocation().isValid() && Data->TokenBeginLoc.isValid() &&
4592 D->getLocation() == Data->TokenBeginLoc)
4593 return CXChildVisit_Break;
4597 // If our current best cursor is the construction of a temporary object,
4598 // don't replace that cursor with a type reference, because we want
4599 // clang_getCursor() to point at the constructor.
4600 if (clang_isExpression(BestCursor->kind) &&
4601 isa<CXXTemporaryObjectExpr>(getCursorExpr(*BestCursor)) &&
4602 cursor.kind == CXCursor_TypeRef) {
4603 // Keep the cursor pointing at CXXTemporaryObjectExpr but also mark it
4604 // as having the actual point on the type reference.
4605 *BestCursor = getTypeRefedCallExprCursor(*BestCursor);
4606 return CXChildVisit_Recurse;
4609 // If we already have an Objective-C superclass reference, don't
4610 // update it further.
4611 if (BestCursor->kind == CXCursor_ObjCSuperClassRef)
4612 return CXChildVisit_Break;
4614 *BestCursor = cursor;
4615 return CXChildVisit_Recurse;
4618 CXCursor clang_getCursor(CXTranslationUnit TU, CXSourceLocation Loc) {
4619 if (isNotUsableTU(TU)) {
4621 return clang_getNullCursor();
4624 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4625 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
4627 SourceLocation SLoc = cxloc::translateSourceLocation(Loc);
4628 CXCursor Result = cxcursor::getCursor(TU, SLoc);
4632 unsigned SearchLine, SearchColumn;
4634 unsigned ResultLine, ResultColumn;
4635 CXString SearchFileName, ResultFileName, KindSpelling, USR;
4636 const char *IsDef = clang_isCursorDefinition(Result)? " (Definition)" : "";
4637 CXSourceLocation ResultLoc = clang_getCursorLocation(Result);
4639 clang_getFileLocation(Loc, &SearchFile, &SearchLine, &SearchColumn,
4641 clang_getFileLocation(ResultLoc, &ResultFile, &ResultLine,
4642 &ResultColumn, nullptr);
4643 SearchFileName = clang_getFileName(SearchFile);
4644 ResultFileName = clang_getFileName(ResultFile);
4645 KindSpelling = clang_getCursorKindSpelling(Result.kind);
4646 USR = clang_getCursorUSR(Result);
4647 *Log << llvm::format("(%s:%d:%d) = %s",
4648 clang_getCString(SearchFileName), SearchLine, SearchColumn,
4649 clang_getCString(KindSpelling))
4650 << llvm::format("(%s:%d:%d):%s%s",
4651 clang_getCString(ResultFileName), ResultLine, ResultColumn,
4652 clang_getCString(USR), IsDef);
4653 clang_disposeString(SearchFileName);
4654 clang_disposeString(ResultFileName);
4655 clang_disposeString(KindSpelling);
4656 clang_disposeString(USR);
4658 CXCursor Definition = clang_getCursorDefinition(Result);
4659 if (!clang_equalCursors(Definition, clang_getNullCursor())) {
4660 CXSourceLocation DefinitionLoc = clang_getCursorLocation(Definition);
4661 CXString DefinitionKindSpelling
4662 = clang_getCursorKindSpelling(Definition.kind);
4663 CXFile DefinitionFile;
4664 unsigned DefinitionLine, DefinitionColumn;
4665 clang_getFileLocation(DefinitionLoc, &DefinitionFile,
4666 &DefinitionLine, &DefinitionColumn, nullptr);
4667 CXString DefinitionFileName = clang_getFileName(DefinitionFile);
4668 *Log << llvm::format(" -> %s(%s:%d:%d)",
4669 clang_getCString(DefinitionKindSpelling),
4670 clang_getCString(DefinitionFileName),
4671 DefinitionLine, DefinitionColumn);
4672 clang_disposeString(DefinitionFileName);
4673 clang_disposeString(DefinitionKindSpelling);
4680 CXCursor clang_getNullCursor(void) {
4681 return MakeCXCursorInvalid(CXCursor_InvalidFile);
4684 unsigned clang_equalCursors(CXCursor X, CXCursor Y) {
4685 // Clear out the "FirstInDeclGroup" part in a declaration cursor, since we
4686 // can't set consistently. For example, when visiting a DeclStmt we will set
4687 // it but we don't set it on the result of clang_getCursorDefinition for
4688 // a reference of the same declaration.
4689 // FIXME: Setting "FirstInDeclGroup" in CXCursors is a hack that only works
4690 // when visiting a DeclStmt currently, the AST should be enhanced to be able
4691 // to provide that kind of info.
4692 if (clang_isDeclaration(X.kind))
4693 X.data[1] = nullptr;
4694 if (clang_isDeclaration(Y.kind))
4695 Y.data[1] = nullptr;
4700 unsigned clang_hashCursor(CXCursor C) {
4702 if (clang_isExpression(C.kind) || clang_isStatement(C.kind))
4705 return llvm::DenseMapInfo<std::pair<unsigned, const void*> >::getHashValue(
4706 std::make_pair(C.kind, C.data[Index]));
4709 unsigned clang_isInvalid(enum CXCursorKind K) {
4710 return K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid;
4713 unsigned clang_isDeclaration(enum CXCursorKind K) {
4714 return (K >= CXCursor_FirstDecl && K <= CXCursor_LastDecl) ||
4715 (K >= CXCursor_FirstExtraDecl && K <= CXCursor_LastExtraDecl);
4718 unsigned clang_isReference(enum CXCursorKind K) {
4719 return K >= CXCursor_FirstRef && K <= CXCursor_LastRef;
4722 unsigned clang_isExpression(enum CXCursorKind K) {
4723 return K >= CXCursor_FirstExpr && K <= CXCursor_LastExpr;
4726 unsigned clang_isStatement(enum CXCursorKind K) {
4727 return K >= CXCursor_FirstStmt && K <= CXCursor_LastStmt;
4730 unsigned clang_isAttribute(enum CXCursorKind K) {
4731 return K >= CXCursor_FirstAttr && K <= CXCursor_LastAttr;
4734 unsigned clang_isTranslationUnit(enum CXCursorKind K) {
4735 return K == CXCursor_TranslationUnit;
4738 unsigned clang_isPreprocessing(enum CXCursorKind K) {
4739 return K >= CXCursor_FirstPreprocessing && K <= CXCursor_LastPreprocessing;
4742 unsigned clang_isUnexposed(enum CXCursorKind K) {
4744 case CXCursor_UnexposedDecl:
4745 case CXCursor_UnexposedExpr:
4746 case CXCursor_UnexposedStmt:
4747 case CXCursor_UnexposedAttr:
4754 CXCursorKind clang_getCursorKind(CXCursor C) {
4758 CXSourceLocation clang_getCursorLocation(CXCursor C) {
4759 if (clang_isReference(C.kind)) {
4761 case CXCursor_ObjCSuperClassRef: {
4762 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
4763 = getCursorObjCSuperClassRef(C);
4764 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4767 case CXCursor_ObjCProtocolRef: {
4768 std::pair<const ObjCProtocolDecl *, SourceLocation> P
4769 = getCursorObjCProtocolRef(C);
4770 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4773 case CXCursor_ObjCClassRef: {
4774 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
4775 = getCursorObjCClassRef(C);
4776 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4779 case CXCursor_TypeRef: {
4780 std::pair<const TypeDecl *, SourceLocation> P = getCursorTypeRef(C);
4781 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4784 case CXCursor_TemplateRef: {
4785 std::pair<const TemplateDecl *, SourceLocation> P =
4786 getCursorTemplateRef(C);
4787 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4790 case CXCursor_NamespaceRef: {
4791 std::pair<const NamedDecl *, SourceLocation> P = getCursorNamespaceRef(C);
4792 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4795 case CXCursor_MemberRef: {
4796 std::pair<const FieldDecl *, SourceLocation> P = getCursorMemberRef(C);
4797 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4800 case CXCursor_VariableRef: {
4801 std::pair<const VarDecl *, SourceLocation> P = getCursorVariableRef(C);
4802 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4805 case CXCursor_CXXBaseSpecifier: {
4806 const CXXBaseSpecifier *BaseSpec = getCursorCXXBaseSpecifier(C);
4808 return clang_getNullLocation();
4810 if (TypeSourceInfo *TSInfo = BaseSpec->getTypeSourceInfo())
4811 return cxloc::translateSourceLocation(getCursorContext(C),
4812 TSInfo->getTypeLoc().getBeginLoc());
4814 return cxloc::translateSourceLocation(getCursorContext(C),
4815 BaseSpec->getLocStart());
4818 case CXCursor_LabelRef: {
4819 std::pair<const LabelStmt *, SourceLocation> P = getCursorLabelRef(C);
4820 return cxloc::translateSourceLocation(getCursorContext(C), P.second);
4823 case CXCursor_OverloadedDeclRef:
4824 return cxloc::translateSourceLocation(getCursorContext(C),
4825 getCursorOverloadedDeclRef(C).second);
4828 // FIXME: Need a way to enumerate all non-reference cases.
4829 llvm_unreachable("Missed a reference kind");
4833 if (clang_isExpression(C.kind))
4834 return cxloc::translateSourceLocation(getCursorContext(C),
4835 getLocationFromExpr(getCursorExpr(C)));
4837 if (clang_isStatement(C.kind))
4838 return cxloc::translateSourceLocation(getCursorContext(C),
4839 getCursorStmt(C)->getLocStart());
4841 if (C.kind == CXCursor_PreprocessingDirective) {
4842 SourceLocation L = cxcursor::getCursorPreprocessingDirective(C).getBegin();
4843 return cxloc::translateSourceLocation(getCursorContext(C), L);
4846 if (C.kind == CXCursor_MacroExpansion) {
4848 = cxcursor::getCursorMacroExpansion(C).getSourceRange().getBegin();
4849 return cxloc::translateSourceLocation(getCursorContext(C), L);
4852 if (C.kind == CXCursor_MacroDefinition) {
4853 SourceLocation L = cxcursor::getCursorMacroDefinition(C)->getLocation();
4854 return cxloc::translateSourceLocation(getCursorContext(C), L);
4857 if (C.kind == CXCursor_InclusionDirective) {
4859 = cxcursor::getCursorInclusionDirective(C)->getSourceRange().getBegin();
4860 return cxloc::translateSourceLocation(getCursorContext(C), L);
4863 if (clang_isAttribute(C.kind)) {
4865 = cxcursor::getCursorAttr(C)->getLocation();
4866 return cxloc::translateSourceLocation(getCursorContext(C), L);
4869 if (!clang_isDeclaration(C.kind))
4870 return clang_getNullLocation();
4872 const Decl *D = getCursorDecl(C);
4874 return clang_getNullLocation();
4876 SourceLocation Loc = D->getLocation();
4877 // FIXME: Multiple variables declared in a single declaration
4878 // currently lack the information needed to correctly determine their
4879 // ranges when accounting for the type-specifier. We use context
4880 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
4881 // and if so, whether it is the first decl.
4882 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
4883 if (!cxcursor::isFirstInDeclGroup(C))
4884 Loc = VD->getLocation();
4887 // For ObjC methods, give the start location of the method name.
4888 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
4889 Loc = MD->getSelectorStartLoc();
4891 return cxloc::translateSourceLocation(getCursorContext(C), Loc);
4896 CXCursor cxcursor::getCursor(CXTranslationUnit TU, SourceLocation SLoc) {
4899 // Guard against an invalid SourceLocation, or we may assert in one
4900 // of the following calls.
4901 if (SLoc.isInvalid())
4902 return clang_getNullCursor();
4904 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4906 // Translate the given source location to make it point at the beginning of
4907 // the token under the cursor.
4908 SLoc = Lexer::GetBeginningOfToken(SLoc, CXXUnit->getSourceManager(),
4909 CXXUnit->getASTContext().getLangOpts());
4911 CXCursor Result = MakeCXCursorInvalid(CXCursor_NoDeclFound);
4912 if (SLoc.isValid()) {
4913 GetCursorData ResultData(CXXUnit->getSourceManager(), SLoc, Result);
4914 CursorVisitor CursorVis(TU, GetCursorVisitor, &ResultData,
4915 /*VisitPreprocessorLast=*/true,
4916 /*VisitIncludedEntities=*/false,
4917 SourceLocation(SLoc));
4918 CursorVis.visitFileRegion();
4924 static SourceRange getRawCursorExtent(CXCursor C) {
4925 if (clang_isReference(C.kind)) {
4927 case CXCursor_ObjCSuperClassRef:
4928 return getCursorObjCSuperClassRef(C).second;
4930 case CXCursor_ObjCProtocolRef:
4931 return getCursorObjCProtocolRef(C).second;
4933 case CXCursor_ObjCClassRef:
4934 return getCursorObjCClassRef(C).second;
4936 case CXCursor_TypeRef:
4937 return getCursorTypeRef(C).second;
4939 case CXCursor_TemplateRef:
4940 return getCursorTemplateRef(C).second;
4942 case CXCursor_NamespaceRef:
4943 return getCursorNamespaceRef(C).second;
4945 case CXCursor_MemberRef:
4946 return getCursorMemberRef(C).second;
4948 case CXCursor_CXXBaseSpecifier:
4949 return getCursorCXXBaseSpecifier(C)->getSourceRange();
4951 case CXCursor_LabelRef:
4952 return getCursorLabelRef(C).second;
4954 case CXCursor_OverloadedDeclRef:
4955 return getCursorOverloadedDeclRef(C).second;
4957 case CXCursor_VariableRef:
4958 return getCursorVariableRef(C).second;
4961 // FIXME: Need a way to enumerate all non-reference cases.
4962 llvm_unreachable("Missed a reference kind");
4966 if (clang_isExpression(C.kind))
4967 return getCursorExpr(C)->getSourceRange();
4969 if (clang_isStatement(C.kind))
4970 return getCursorStmt(C)->getSourceRange();
4972 if (clang_isAttribute(C.kind))
4973 return getCursorAttr(C)->getRange();
4975 if (C.kind == CXCursor_PreprocessingDirective)
4976 return cxcursor::getCursorPreprocessingDirective(C);
4978 if (C.kind == CXCursor_MacroExpansion) {
4979 ASTUnit *TU = getCursorASTUnit(C);
4980 SourceRange Range = cxcursor::getCursorMacroExpansion(C).getSourceRange();
4981 return TU->mapRangeFromPreamble(Range);
4984 if (C.kind == CXCursor_MacroDefinition) {
4985 ASTUnit *TU = getCursorASTUnit(C);
4986 SourceRange Range = cxcursor::getCursorMacroDefinition(C)->getSourceRange();
4987 return TU->mapRangeFromPreamble(Range);
4990 if (C.kind == CXCursor_InclusionDirective) {
4991 ASTUnit *TU = getCursorASTUnit(C);
4992 SourceRange Range = cxcursor::getCursorInclusionDirective(C)->getSourceRange();
4993 return TU->mapRangeFromPreamble(Range);
4996 if (C.kind == CXCursor_TranslationUnit) {
4997 ASTUnit *TU = getCursorASTUnit(C);
4998 FileID MainID = TU->getSourceManager().getMainFileID();
4999 SourceLocation Start = TU->getSourceManager().getLocForStartOfFile(MainID);
5000 SourceLocation End = TU->getSourceManager().getLocForEndOfFile(MainID);
5001 return SourceRange(Start, End);
5004 if (clang_isDeclaration(C.kind)) {
5005 const Decl *D = cxcursor::getCursorDecl(C);
5007 return SourceRange();
5009 SourceRange R = D->getSourceRange();
5010 // FIXME: Multiple variables declared in a single declaration
5011 // currently lack the information needed to correctly determine their
5012 // ranges when accounting for the type-specifier. We use context
5013 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5014 // and if so, whether it is the first decl.
5015 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5016 if (!cxcursor::isFirstInDeclGroup(C))
5017 R.setBegin(VD->getLocation());
5021 return SourceRange();
5024 /// \brief Retrieves the "raw" cursor extent, which is then extended to include
5025 /// the decl-specifier-seq for declarations.
5026 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr) {
5027 if (clang_isDeclaration(C.kind)) {
5028 const Decl *D = cxcursor::getCursorDecl(C);
5030 return SourceRange();
5032 SourceRange R = D->getSourceRange();
5034 // Adjust the start of the location for declarations preceded by
5035 // declaration specifiers.
5036 SourceLocation StartLoc;
5037 if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
5038 if (TypeSourceInfo *TI = DD->getTypeSourceInfo())
5039 StartLoc = TI->getTypeLoc().getLocStart();
5040 } else if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(D)) {
5041 if (TypeSourceInfo *TI = Typedef->getTypeSourceInfo())
5042 StartLoc = TI->getTypeLoc().getLocStart();
5045 if (StartLoc.isValid() && R.getBegin().isValid() &&
5046 SrcMgr.isBeforeInTranslationUnit(StartLoc, R.getBegin()))
5047 R.setBegin(StartLoc);
5049 // FIXME: Multiple variables declared in a single declaration
5050 // currently lack the information needed to correctly determine their
5051 // ranges when accounting for the type-specifier. We use context
5052 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5053 // and if so, whether it is the first decl.
5054 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5055 if (!cxcursor::isFirstInDeclGroup(C))
5056 R.setBegin(VD->getLocation());
5062 return getRawCursorExtent(C);
5067 CXSourceRange clang_getCursorExtent(CXCursor C) {
5068 SourceRange R = getRawCursorExtent(C);
5070 return clang_getNullRange();
5072 return cxloc::translateSourceRange(getCursorContext(C), R);
5075 CXCursor clang_getCursorReferenced(CXCursor C) {
5076 if (clang_isInvalid(C.kind))
5077 return clang_getNullCursor();
5079 CXTranslationUnit tu = getCursorTU(C);
5080 if (clang_isDeclaration(C.kind)) {
5081 const Decl *D = getCursorDecl(C);
5083 return clang_getNullCursor();
5084 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5085 return MakeCursorOverloadedDeclRef(Using, D->getLocation(), tu);
5086 if (const ObjCPropertyImplDecl *PropImpl =
5087 dyn_cast<ObjCPropertyImplDecl>(D))
5088 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
5089 return MakeCXCursor(Property, tu);
5094 if (clang_isExpression(C.kind)) {
5095 const Expr *E = getCursorExpr(C);
5096 const Decl *D = getDeclFromExpr(E);
5098 CXCursor declCursor = MakeCXCursor(D, tu);
5099 declCursor = getSelectorIdentifierCursor(getSelectorIdentifierIndex(C),
5104 if (const OverloadExpr *Ovl = dyn_cast_or_null<OverloadExpr>(E))
5105 return MakeCursorOverloadedDeclRef(Ovl, tu);
5107 return clang_getNullCursor();
5110 if (clang_isStatement(C.kind)) {
5111 const Stmt *S = getCursorStmt(C);
5112 if (const GotoStmt *Goto = dyn_cast_or_null<GotoStmt>(S))
5113 if (LabelDecl *label = Goto->getLabel())
5114 if (LabelStmt *labelS = label->getStmt())
5115 return MakeCXCursor(labelS, getCursorDecl(C), tu);
5117 return clang_getNullCursor();
5120 if (C.kind == CXCursor_MacroExpansion) {
5121 if (const MacroDefinitionRecord *Def =
5122 getCursorMacroExpansion(C).getDefinition())
5123 return MakeMacroDefinitionCursor(Def, tu);
5126 if (!clang_isReference(C.kind))
5127 return clang_getNullCursor();
5130 case CXCursor_ObjCSuperClassRef:
5131 return MakeCXCursor(getCursorObjCSuperClassRef(C).first, tu);
5133 case CXCursor_ObjCProtocolRef: {
5134 const ObjCProtocolDecl *Prot = getCursorObjCProtocolRef(C).first;
5135 if (const ObjCProtocolDecl *Def = Prot->getDefinition())
5136 return MakeCXCursor(Def, tu);
5138 return MakeCXCursor(Prot, tu);
5141 case CXCursor_ObjCClassRef: {
5142 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
5143 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5144 return MakeCXCursor(Def, tu);
5146 return MakeCXCursor(Class, tu);
5149 case CXCursor_TypeRef:
5150 return MakeCXCursor(getCursorTypeRef(C).first, tu );
5152 case CXCursor_TemplateRef:
5153 return MakeCXCursor(getCursorTemplateRef(C).first, tu );
5155 case CXCursor_NamespaceRef:
5156 return MakeCXCursor(getCursorNamespaceRef(C).first, tu );
5158 case CXCursor_MemberRef:
5159 return MakeCXCursor(getCursorMemberRef(C).first, tu );
5161 case CXCursor_CXXBaseSpecifier: {
5162 const CXXBaseSpecifier *B = cxcursor::getCursorCXXBaseSpecifier(C);
5163 return clang_getTypeDeclaration(cxtype::MakeCXType(B->getType(),
5167 case CXCursor_LabelRef:
5168 // FIXME: We end up faking the "parent" declaration here because we
5169 // don't want to make CXCursor larger.
5170 return MakeCXCursor(getCursorLabelRef(C).first,
5171 cxtu::getASTUnit(tu)->getASTContext()
5172 .getTranslationUnitDecl(),
5175 case CXCursor_OverloadedDeclRef:
5178 case CXCursor_VariableRef:
5179 return MakeCXCursor(getCursorVariableRef(C).first, tu);
5182 // We would prefer to enumerate all non-reference cursor kinds here.
5183 llvm_unreachable("Unhandled reference cursor kind");
5187 CXCursor clang_getCursorDefinition(CXCursor C) {
5188 if (clang_isInvalid(C.kind))
5189 return clang_getNullCursor();
5191 CXTranslationUnit TU = getCursorTU(C);
5193 bool WasReference = false;
5194 if (clang_isReference(C.kind) || clang_isExpression(C.kind)) {
5195 C = clang_getCursorReferenced(C);
5196 WasReference = true;
5199 if (C.kind == CXCursor_MacroExpansion)
5200 return clang_getCursorReferenced(C);
5202 if (!clang_isDeclaration(C.kind))
5203 return clang_getNullCursor();
5205 const Decl *D = getCursorDecl(C);
5207 return clang_getNullCursor();
5209 switch (D->getKind()) {
5210 // Declaration kinds that don't really separate the notions of
5211 // declaration and definition.
5212 case Decl::Namespace:
5214 case Decl::TypeAlias:
5215 case Decl::TypeAliasTemplate:
5216 case Decl::TemplateTypeParm:
5217 case Decl::EnumConstant:
5219 case Decl::MSProperty:
5220 case Decl::IndirectField:
5221 case Decl::ObjCIvar:
5222 case Decl::ObjCAtDefsField:
5223 case Decl::ImplicitParam:
5225 case Decl::NonTypeTemplateParm:
5226 case Decl::TemplateTemplateParm:
5227 case Decl::ObjCCategoryImpl:
5228 case Decl::ObjCImplementation:
5229 case Decl::AccessSpec:
5230 case Decl::LinkageSpec:
5231 case Decl::ObjCPropertyImpl:
5232 case Decl::FileScopeAsm:
5233 case Decl::StaticAssert:
5235 case Decl::Captured:
5236 case Decl::Label: // FIXME: Is this right??
5237 case Decl::ClassScopeFunctionSpecialization:
5239 case Decl::OMPThreadPrivate:
5240 case Decl::ObjCTypeParam:
5241 case Decl::BuiltinTemplate:
5244 // Declaration kinds that don't make any sense here, but are
5245 // nonetheless harmless.
5247 case Decl::TranslationUnit:
5248 case Decl::ExternCContext:
5251 // Declaration kinds for which the definition is not resolvable.
5252 case Decl::UnresolvedUsingTypename:
5253 case Decl::UnresolvedUsingValue:
5256 case Decl::UsingDirective:
5257 return MakeCXCursor(cast<UsingDirectiveDecl>(D)->getNominatedNamespace(),
5260 case Decl::NamespaceAlias:
5261 return MakeCXCursor(cast<NamespaceAliasDecl>(D)->getNamespace(), TU);
5265 case Decl::CXXRecord:
5266 case Decl::ClassTemplateSpecialization:
5267 case Decl::ClassTemplatePartialSpecialization:
5268 if (TagDecl *Def = cast<TagDecl>(D)->getDefinition())
5269 return MakeCXCursor(Def, TU);
5270 return clang_getNullCursor();
5272 case Decl::Function:
5273 case Decl::CXXMethod:
5274 case Decl::CXXConstructor:
5275 case Decl::CXXDestructor:
5276 case Decl::CXXConversion: {
5277 const FunctionDecl *Def = nullptr;
5278 if (cast<FunctionDecl>(D)->getBody(Def))
5279 return MakeCXCursor(Def, TU);
5280 return clang_getNullCursor();
5284 case Decl::VarTemplateSpecialization:
5285 case Decl::VarTemplatePartialSpecialization: {
5286 // Ask the variable if it has a definition.
5287 if (const VarDecl *Def = cast<VarDecl>(D)->getDefinition())
5288 return MakeCXCursor(Def, TU);
5289 return clang_getNullCursor();
5292 case Decl::FunctionTemplate: {
5293 const FunctionDecl *Def = nullptr;
5294 if (cast<FunctionTemplateDecl>(D)->getTemplatedDecl()->getBody(Def))
5295 return MakeCXCursor(Def->getDescribedFunctionTemplate(), TU);
5296 return clang_getNullCursor();
5299 case Decl::ClassTemplate: {
5300 if (RecordDecl *Def = cast<ClassTemplateDecl>(D)->getTemplatedDecl()
5302 return MakeCXCursor(cast<CXXRecordDecl>(Def)->getDescribedClassTemplate(),
5304 return clang_getNullCursor();
5307 case Decl::VarTemplate: {
5309 cast<VarTemplateDecl>(D)->getTemplatedDecl()->getDefinition())
5310 return MakeCXCursor(cast<VarDecl>(Def)->getDescribedVarTemplate(), TU);
5311 return clang_getNullCursor();
5315 return MakeCursorOverloadedDeclRef(cast<UsingDecl>(D),
5316 D->getLocation(), TU);
5318 case Decl::UsingShadow:
5319 return clang_getCursorDefinition(
5320 MakeCXCursor(cast<UsingShadowDecl>(D)->getTargetDecl(),
5323 case Decl::ObjCMethod: {
5324 const ObjCMethodDecl *Method = cast<ObjCMethodDecl>(D);
5325 if (Method->isThisDeclarationADefinition())
5328 // Dig out the method definition in the associated
5329 // @implementation, if we have it.
5330 // FIXME: The ASTs should make finding the definition easier.
5331 if (const ObjCInterfaceDecl *Class
5332 = dyn_cast<ObjCInterfaceDecl>(Method->getDeclContext()))
5333 if (ObjCImplementationDecl *ClassImpl = Class->getImplementation())
5334 if (ObjCMethodDecl *Def = ClassImpl->getMethod(Method->getSelector(),
5335 Method->isInstanceMethod()))
5336 if (Def->isThisDeclarationADefinition())
5337 return MakeCXCursor(Def, TU);
5339 return clang_getNullCursor();
5342 case Decl::ObjCCategory:
5343 if (ObjCCategoryImplDecl *Impl
5344 = cast<ObjCCategoryDecl>(D)->getImplementation())
5345 return MakeCXCursor(Impl, TU);
5346 return clang_getNullCursor();
5348 case Decl::ObjCProtocol:
5349 if (const ObjCProtocolDecl *Def = cast<ObjCProtocolDecl>(D)->getDefinition())
5350 return MakeCXCursor(Def, TU);
5351 return clang_getNullCursor();
5353 case Decl::ObjCInterface: {
5354 // There are two notions of a "definition" for an Objective-C
5355 // class: the interface and its implementation. When we resolved a
5356 // reference to an Objective-C class, produce the @interface as
5357 // the definition; when we were provided with the interface,
5358 // produce the @implementation as the definition.
5359 const ObjCInterfaceDecl *IFace = cast<ObjCInterfaceDecl>(D);
5361 if (const ObjCInterfaceDecl *Def = IFace->getDefinition())
5362 return MakeCXCursor(Def, TU);
5363 } else if (ObjCImplementationDecl *Impl = IFace->getImplementation())
5364 return MakeCXCursor(Impl, TU);
5365 return clang_getNullCursor();
5368 case Decl::ObjCProperty:
5369 // FIXME: We don't really know where to find the
5370 // ObjCPropertyImplDecls that implement this property.
5371 return clang_getNullCursor();
5373 case Decl::ObjCCompatibleAlias:
5374 if (const ObjCInterfaceDecl *Class
5375 = cast<ObjCCompatibleAliasDecl>(D)->getClassInterface())
5376 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5377 return MakeCXCursor(Def, TU);
5379 return clang_getNullCursor();
5382 if (NamedDecl *Friend = cast<FriendDecl>(D)->getFriendDecl())
5383 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5384 return clang_getNullCursor();
5386 case Decl::FriendTemplate:
5387 if (NamedDecl *Friend = cast<FriendTemplateDecl>(D)->getFriendDecl())
5388 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5389 return clang_getNullCursor();
5392 return clang_getNullCursor();
5395 unsigned clang_isCursorDefinition(CXCursor C) {
5396 if (!clang_isDeclaration(C.kind))
5399 return clang_getCursorDefinition(C) == C;
5402 CXCursor clang_getCanonicalCursor(CXCursor C) {
5403 if (!clang_isDeclaration(C.kind))
5406 if (const Decl *D = getCursorDecl(C)) {
5407 if (const ObjCCategoryImplDecl *CatImplD = dyn_cast<ObjCCategoryImplDecl>(D))
5408 if (ObjCCategoryDecl *CatD = CatImplD->getCategoryDecl())
5409 return MakeCXCursor(CatD, getCursorTU(C));
5411 if (const ObjCImplDecl *ImplD = dyn_cast<ObjCImplDecl>(D))
5412 if (const ObjCInterfaceDecl *IFD = ImplD->getClassInterface())
5413 return MakeCXCursor(IFD, getCursorTU(C));
5415 return MakeCXCursor(D->getCanonicalDecl(), getCursorTU(C));
5421 int clang_Cursor_getObjCSelectorIndex(CXCursor cursor) {
5422 return cxcursor::getSelectorIdentifierIndexAndLoc(cursor).first;
5425 unsigned clang_getNumOverloadedDecls(CXCursor C) {
5426 if (C.kind != CXCursor_OverloadedDeclRef)
5429 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
5430 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5431 return E->getNumDecls();
5433 if (OverloadedTemplateStorage *S
5434 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5437 const Decl *D = Storage.get<const Decl *>();
5438 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5439 return Using->shadow_size();
5444 CXCursor clang_getOverloadedDecl(CXCursor cursor, unsigned index) {
5445 if (cursor.kind != CXCursor_OverloadedDeclRef)
5446 return clang_getNullCursor();
5448 if (index >= clang_getNumOverloadedDecls(cursor))
5449 return clang_getNullCursor();
5451 CXTranslationUnit TU = getCursorTU(cursor);
5452 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(cursor).first;
5453 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5454 return MakeCXCursor(E->decls_begin()[index], TU);
5456 if (OverloadedTemplateStorage *S
5457 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5458 return MakeCXCursor(S->begin()[index], TU);
5460 const Decl *D = Storage.get<const Decl *>();
5461 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D)) {
5462 // FIXME: This is, unfortunately, linear time.
5463 UsingDecl::shadow_iterator Pos = Using->shadow_begin();
5464 std::advance(Pos, index);
5465 return MakeCXCursor(cast<UsingShadowDecl>(*Pos)->getTargetDecl(), TU);
5468 return clang_getNullCursor();
5471 void clang_getDefinitionSpellingAndExtent(CXCursor C,
5472 const char **startBuf,
5473 const char **endBuf,
5474 unsigned *startLine,
5475 unsigned *startColumn,
5477 unsigned *endColumn) {
5478 assert(getCursorDecl(C) && "CXCursor has null decl");
5479 const FunctionDecl *FD = dyn_cast<FunctionDecl>(getCursorDecl(C));
5480 CompoundStmt *Body = dyn_cast<CompoundStmt>(FD->getBody());
5482 SourceManager &SM = FD->getASTContext().getSourceManager();
5483 *startBuf = SM.getCharacterData(Body->getLBracLoc());
5484 *endBuf = SM.getCharacterData(Body->getRBracLoc());
5485 *startLine = SM.getSpellingLineNumber(Body->getLBracLoc());
5486 *startColumn = SM.getSpellingColumnNumber(Body->getLBracLoc());
5487 *endLine = SM.getSpellingLineNumber(Body->getRBracLoc());
5488 *endColumn = SM.getSpellingColumnNumber(Body->getRBracLoc());
5492 CXSourceRange clang_getCursorReferenceNameRange(CXCursor C, unsigned NameFlags,
5493 unsigned PieceIndex) {
5494 RefNamePieces Pieces;
5497 case CXCursor_MemberRefExpr:
5498 if (const MemberExpr *E = dyn_cast<MemberExpr>(getCursorExpr(C)))
5499 Pieces = buildPieces(NameFlags, true, E->getMemberNameInfo(),
5500 E->getQualifierLoc().getSourceRange());
5503 case CXCursor_DeclRefExpr:
5504 if (const DeclRefExpr *E = dyn_cast<DeclRefExpr>(getCursorExpr(C)))
5505 Pieces = buildPieces(NameFlags, false, E->getNameInfo(),
5506 E->getQualifierLoc().getSourceRange(),
5507 E->getOptionalExplicitTemplateArgs());
5510 case CXCursor_CallExpr:
5511 if (const CXXOperatorCallExpr *OCE =
5512 dyn_cast<CXXOperatorCallExpr>(getCursorExpr(C))) {
5513 const Expr *Callee = OCE->getCallee();
5514 if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Callee))
5515 Callee = ICE->getSubExpr();
5517 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Callee))
5518 Pieces = buildPieces(NameFlags, false, DRE->getNameInfo(),
5519 DRE->getQualifierLoc().getSourceRange());
5527 if (Pieces.empty()) {
5528 if (PieceIndex == 0)
5529 return clang_getCursorExtent(C);
5530 } else if (PieceIndex < Pieces.size()) {
5531 SourceRange R = Pieces[PieceIndex];
5533 return cxloc::translateSourceRange(getCursorContext(C), R);
5536 return clang_getNullRange();
5539 void clang_enableStackTraces(void) {
5540 llvm::sys::PrintStackTraceOnErrorSignal();
5543 void clang_executeOnThread(void (*fn)(void*), void *user_data,
5544 unsigned stack_size) {
5545 llvm::llvm_execute_on_thread(fn, user_data, stack_size);
5548 } // end: extern "C"
5550 //===----------------------------------------------------------------------===//
5551 // Token-based Operations.
5552 //===----------------------------------------------------------------------===//
5555 * int_data[0]: a CXTokenKind
5556 * int_data[1]: starting token location
5557 * int_data[2]: token length
5558 * int_data[3]: reserved
5559 * ptr_data: for identifiers and keywords, an IdentifierInfo*.
5564 CXTokenKind clang_getTokenKind(CXToken CXTok) {
5565 return static_cast<CXTokenKind>(CXTok.int_data[0]);
5568 CXString clang_getTokenSpelling(CXTranslationUnit TU, CXToken CXTok) {
5569 switch (clang_getTokenKind(CXTok)) {
5570 case CXToken_Identifier:
5571 case CXToken_Keyword:
5572 // We know we have an IdentifierInfo*, so use that.
5573 return cxstring::createRef(static_cast<IdentifierInfo *>(CXTok.ptr_data)
5576 case CXToken_Literal: {
5577 // We have stashed the starting pointer in the ptr_data field. Use it.
5578 const char *Text = static_cast<const char *>(CXTok.ptr_data);
5579 return cxstring::createDup(StringRef(Text, CXTok.int_data[2]));
5582 case CXToken_Punctuation:
5583 case CXToken_Comment:
5587 if (isNotUsableTU(TU)) {
5589 return cxstring::createEmpty();
5592 // We have to find the starting buffer pointer the hard way, by
5593 // deconstructing the source location.
5594 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5596 return cxstring::createEmpty();
5598 SourceLocation Loc = SourceLocation::getFromRawEncoding(CXTok.int_data[1]);
5599 std::pair<FileID, unsigned> LocInfo
5600 = CXXUnit->getSourceManager().getDecomposedSpellingLoc(Loc);
5601 bool Invalid = false;
5603 = CXXUnit->getSourceManager().getBufferData(LocInfo.first, &Invalid);
5605 return cxstring::createEmpty();
5607 return cxstring::createDup(Buffer.substr(LocInfo.second, CXTok.int_data[2]));
5610 CXSourceLocation clang_getTokenLocation(CXTranslationUnit TU, CXToken CXTok) {
5611 if (isNotUsableTU(TU)) {
5613 return clang_getNullLocation();
5616 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5618 return clang_getNullLocation();
5620 return cxloc::translateSourceLocation(CXXUnit->getASTContext(),
5621 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5624 CXSourceRange clang_getTokenExtent(CXTranslationUnit TU, CXToken CXTok) {
5625 if (isNotUsableTU(TU)) {
5627 return clang_getNullRange();
5630 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5632 return clang_getNullRange();
5634 return cxloc::translateSourceRange(CXXUnit->getASTContext(),
5635 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5638 static void getTokens(ASTUnit *CXXUnit, SourceRange Range,
5639 SmallVectorImpl<CXToken> &CXTokens) {
5640 SourceManager &SourceMgr = CXXUnit->getSourceManager();
5641 std::pair<FileID, unsigned> BeginLocInfo
5642 = SourceMgr.getDecomposedSpellingLoc(Range.getBegin());
5643 std::pair<FileID, unsigned> EndLocInfo
5644 = SourceMgr.getDecomposedSpellingLoc(Range.getEnd());
5646 // Cannot tokenize across files.
5647 if (BeginLocInfo.first != EndLocInfo.first)
5651 bool Invalid = false;
5653 = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
5657 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
5658 CXXUnit->getASTContext().getLangOpts(),
5659 Buffer.begin(), Buffer.data() + BeginLocInfo.second, Buffer.end());
5660 Lex.SetCommentRetentionState(true);
5662 // Lex tokens until we hit the end of the range.
5663 const char *EffectiveBufferEnd = Buffer.data() + EndLocInfo.second;
5665 bool previousWasAt = false;
5667 // Lex the next token
5668 Lex.LexFromRawLexer(Tok);
5669 if (Tok.is(tok::eof))
5672 // Initialize the CXToken.
5676 CXTok.int_data[1] = Tok.getLocation().getRawEncoding();
5677 CXTok.int_data[2] = Tok.getLength();
5678 CXTok.int_data[3] = 0;
5680 // - Kind-specific fields
5681 if (Tok.isLiteral()) {
5682 CXTok.int_data[0] = CXToken_Literal;
5683 CXTok.ptr_data = const_cast<char *>(Tok.getLiteralData());
5684 } else if (Tok.is(tok::raw_identifier)) {
5685 // Lookup the identifier to determine whether we have a keyword.
5687 = CXXUnit->getPreprocessor().LookUpIdentifierInfo(Tok);
5689 if ((II->getObjCKeywordID() != tok::objc_not_keyword) && previousWasAt) {
5690 CXTok.int_data[0] = CXToken_Keyword;
5693 CXTok.int_data[0] = Tok.is(tok::identifier)
5694 ? CXToken_Identifier
5697 CXTok.ptr_data = II;
5698 } else if (Tok.is(tok::comment)) {
5699 CXTok.int_data[0] = CXToken_Comment;
5700 CXTok.ptr_data = nullptr;
5702 CXTok.int_data[0] = CXToken_Punctuation;
5703 CXTok.ptr_data = nullptr;
5705 CXTokens.push_back(CXTok);
5706 previousWasAt = Tok.is(tok::at);
5707 } while (Lex.getBufferLocation() <= EffectiveBufferEnd);
5710 void clang_tokenize(CXTranslationUnit TU, CXSourceRange Range,
5711 CXToken **Tokens, unsigned *NumTokens) {
5713 *Log << TU << ' ' << Range;
5721 if (isNotUsableTU(TU)) {
5726 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5727 if (!CXXUnit || !Tokens || !NumTokens)
5730 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
5732 SourceRange R = cxloc::translateCXSourceRange(Range);
5736 SmallVector<CXToken, 32> CXTokens;
5737 getTokens(CXXUnit, R, CXTokens);
5739 if (CXTokens.empty())
5742 *Tokens = (CXToken *)malloc(sizeof(CXToken) * CXTokens.size());
5743 memmove(*Tokens, CXTokens.data(), sizeof(CXToken) * CXTokens.size());
5744 *NumTokens = CXTokens.size();
5747 void clang_disposeTokens(CXTranslationUnit TU,
5748 CXToken *Tokens, unsigned NumTokens) {
5752 } // end: extern "C"
5754 //===----------------------------------------------------------------------===//
5755 // Token annotation APIs.
5756 //===----------------------------------------------------------------------===//
5758 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
5760 CXClientData client_data);
5761 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
5762 CXClientData client_data);
5765 class AnnotateTokensWorker {
5770 unsigned PreprocessingTokIdx;
5771 CursorVisitor AnnotateVis;
5772 SourceManager &SrcMgr;
5773 bool HasContextSensitiveKeywords;
5775 struct PostChildrenInfo {
5777 SourceRange CursorRange;
5778 unsigned BeforeReachingCursorIdx;
5779 unsigned BeforeChildrenTokenIdx;
5781 SmallVector<PostChildrenInfo, 8> PostChildrenInfos;
5783 CXToken &getTok(unsigned Idx) {
5784 assert(Idx < NumTokens);
5787 const CXToken &getTok(unsigned Idx) const {
5788 assert(Idx < NumTokens);
5791 bool MoreTokens() const { return TokIdx < NumTokens; }
5792 unsigned NextToken() const { return TokIdx; }
5793 void AdvanceToken() { ++TokIdx; }
5794 SourceLocation GetTokenLoc(unsigned tokI) {
5795 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
5797 bool isFunctionMacroToken(unsigned tokI) const {
5798 return getTok(tokI).int_data[3] != 0;
5800 SourceLocation getFunctionMacroTokenLoc(unsigned tokI) const {
5801 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[3]);
5804 void annotateAndAdvanceTokens(CXCursor, RangeComparisonResult, SourceRange);
5805 bool annotateAndAdvanceFunctionMacroTokens(CXCursor, RangeComparisonResult,
5809 AnnotateTokensWorker(CXToken *tokens, CXCursor *cursors, unsigned numTokens,
5810 CXTranslationUnit TU, SourceRange RegionOfInterest)
5811 : Tokens(tokens), Cursors(cursors),
5812 NumTokens(numTokens), TokIdx(0), PreprocessingTokIdx(0),
5814 AnnotateTokensVisitor, this,
5815 /*VisitPreprocessorLast=*/true,
5816 /*VisitIncludedEntities=*/false,
5818 /*VisitDeclsOnly=*/false,
5819 AnnotateTokensPostChildrenVisitor),
5820 SrcMgr(cxtu::getASTUnit(TU)->getSourceManager()),
5821 HasContextSensitiveKeywords(false) { }
5823 void VisitChildren(CXCursor C) { AnnotateVis.VisitChildren(C); }
5824 enum CXChildVisitResult Visit(CXCursor cursor, CXCursor parent);
5825 bool postVisitChildren(CXCursor cursor);
5826 void AnnotateTokens();
5828 /// \brief Determine whether the annotator saw any cursors that have
5829 /// context-sensitive keywords.
5830 bool hasContextSensitiveKeywords() const {
5831 return HasContextSensitiveKeywords;
5834 ~AnnotateTokensWorker() {
5835 assert(PostChildrenInfos.empty());
5840 void AnnotateTokensWorker::AnnotateTokens() {
5841 // Walk the AST within the region of interest, annotating tokens
5843 AnnotateVis.visitFileRegion();
5846 static inline void updateCursorAnnotation(CXCursor &Cursor,
5847 const CXCursor &updateC) {
5848 if (clang_isInvalid(updateC.kind) || !clang_isInvalid(Cursor.kind))
5853 /// \brief It annotates and advances tokens with a cursor until the comparison
5854 //// between the cursor location and the source range is the same as
5855 /// \arg compResult.
5857 /// Pass RangeBefore to annotate tokens with a cursor until a range is reached.
5858 /// Pass RangeOverlap to annotate tokens inside a range.
5859 void AnnotateTokensWorker::annotateAndAdvanceTokens(CXCursor updateC,
5860 RangeComparisonResult compResult,
5861 SourceRange range) {
5862 while (MoreTokens()) {
5863 const unsigned I = NextToken();
5864 if (isFunctionMacroToken(I))
5865 if (!annotateAndAdvanceFunctionMacroTokens(updateC, compResult, range))
5868 SourceLocation TokLoc = GetTokenLoc(I);
5869 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
5870 updateCursorAnnotation(Cursors[I], updateC);
5878 /// \brief Special annotation handling for macro argument tokens.
5879 /// \returns true if it advanced beyond all macro tokens, false otherwise.
5880 bool AnnotateTokensWorker::annotateAndAdvanceFunctionMacroTokens(
5882 RangeComparisonResult compResult,
5883 SourceRange range) {
5884 assert(MoreTokens());
5885 assert(isFunctionMacroToken(NextToken()) &&
5886 "Should be called only for macro arg tokens");
5888 // This works differently than annotateAndAdvanceTokens; because expanded
5889 // macro arguments can have arbitrary translation-unit source order, we do not
5890 // advance the token index one by one until a token fails the range test.
5891 // We only advance once past all of the macro arg tokens if all of them
5892 // pass the range test. If one of them fails we keep the token index pointing
5893 // at the start of the macro arg tokens so that the failing token will be
5894 // annotated by a subsequent annotation try.
5896 bool atLeastOneCompFail = false;
5898 unsigned I = NextToken();
5899 for (; I < NumTokens && isFunctionMacroToken(I); ++I) {
5900 SourceLocation TokLoc = getFunctionMacroTokenLoc(I);
5901 if (TokLoc.isFileID())
5902 continue; // not macro arg token, it's parens or comma.
5903 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
5904 if (clang_isInvalid(clang_getCursorKind(Cursors[I])))
5905 Cursors[I] = updateC;
5907 atLeastOneCompFail = true;
5910 if (atLeastOneCompFail)
5913 TokIdx = I; // All of the tokens were handled, advance beyond all of them.
5917 enum CXChildVisitResult
5918 AnnotateTokensWorker::Visit(CXCursor cursor, CXCursor parent) {
5919 SourceRange cursorRange = getRawCursorExtent(cursor);
5920 if (cursorRange.isInvalid())
5921 return CXChildVisit_Recurse;
5923 if (!HasContextSensitiveKeywords) {
5924 // Objective-C properties can have context-sensitive keywords.
5925 if (cursor.kind == CXCursor_ObjCPropertyDecl) {
5926 if (const ObjCPropertyDecl *Property
5927 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(cursor)))
5928 HasContextSensitiveKeywords = Property->getPropertyAttributesAsWritten() != 0;
5930 // Objective-C methods can have context-sensitive keywords.
5931 else if (cursor.kind == CXCursor_ObjCInstanceMethodDecl ||
5932 cursor.kind == CXCursor_ObjCClassMethodDecl) {
5933 if (const ObjCMethodDecl *Method
5934 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
5935 if (Method->getObjCDeclQualifier())
5936 HasContextSensitiveKeywords = true;
5938 for (const auto *P : Method->params()) {
5939 if (P->getObjCDeclQualifier()) {
5940 HasContextSensitiveKeywords = true;
5947 // C++ methods can have context-sensitive keywords.
5948 else if (cursor.kind == CXCursor_CXXMethod) {
5949 if (const CXXMethodDecl *Method
5950 = dyn_cast_or_null<CXXMethodDecl>(getCursorDecl(cursor))) {
5951 if (Method->hasAttr<FinalAttr>() || Method->hasAttr<OverrideAttr>())
5952 HasContextSensitiveKeywords = true;
5955 // C++ classes can have context-sensitive keywords.
5956 else if (cursor.kind == CXCursor_StructDecl ||
5957 cursor.kind == CXCursor_ClassDecl ||
5958 cursor.kind == CXCursor_ClassTemplate ||
5959 cursor.kind == CXCursor_ClassTemplatePartialSpecialization) {
5960 if (const Decl *D = getCursorDecl(cursor))
5961 if (D->hasAttr<FinalAttr>())
5962 HasContextSensitiveKeywords = true;
5966 // Don't override a property annotation with its getter/setter method.
5967 if (cursor.kind == CXCursor_ObjCInstanceMethodDecl &&
5968 parent.kind == CXCursor_ObjCPropertyDecl)
5969 return CXChildVisit_Continue;
5971 if (clang_isPreprocessing(cursor.kind)) {
5972 // Items in the preprocessing record are kept separate from items in
5973 // declarations, so we keep a separate token index.
5974 unsigned SavedTokIdx = TokIdx;
5975 TokIdx = PreprocessingTokIdx;
5977 // Skip tokens up until we catch up to the beginning of the preprocessing
5979 while (MoreTokens()) {
5980 const unsigned I = NextToken();
5981 SourceLocation TokLoc = GetTokenLoc(I);
5982 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
5993 // Look at all of the tokens within this range.
5994 while (MoreTokens()) {
5995 const unsigned I = NextToken();
5996 SourceLocation TokLoc = GetTokenLoc(I);
5997 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
5999 llvm_unreachable("Infeasible");
6003 // For macro expansions, just note where the beginning of the macro
6004 // expansion occurs.
6005 if (cursor.kind == CXCursor_MacroExpansion) {
6006 if (TokLoc == cursorRange.getBegin())
6007 Cursors[I] = cursor;
6011 // We may have already annotated macro names inside macro definitions.
6012 if (Cursors[I].kind != CXCursor_MacroExpansion)
6013 Cursors[I] = cursor;
6020 // Save the preprocessing token index; restore the non-preprocessing
6022 PreprocessingTokIdx = TokIdx;
6023 TokIdx = SavedTokIdx;
6024 return CXChildVisit_Recurse;
6027 if (cursorRange.isInvalid())
6028 return CXChildVisit_Continue;
6030 unsigned BeforeReachingCursorIdx = NextToken();
6031 const enum CXCursorKind cursorK = clang_getCursorKind(cursor);
6032 const enum CXCursorKind K = clang_getCursorKind(parent);
6033 const CXCursor updateC =
6034 (clang_isInvalid(K) || K == CXCursor_TranslationUnit ||
6035 // Attributes are annotated out-of-order, skip tokens until we reach it.
6036 clang_isAttribute(cursor.kind))
6037 ? clang_getNullCursor() : parent;
6039 annotateAndAdvanceTokens(updateC, RangeBefore, cursorRange);
6041 // Avoid having the cursor of an expression "overwrite" the annotation of the
6042 // variable declaration that it belongs to.
6043 // This can happen for C++ constructor expressions whose range generally
6044 // include the variable declaration, e.g.:
6045 // MyCXXClass foo; // Make sure we don't annotate 'foo' as a CallExpr cursor.
6046 if (clang_isExpression(cursorK) && MoreTokens()) {
6047 const Expr *E = getCursorExpr(cursor);
6048 if (const Decl *D = getCursorParentDecl(cursor)) {
6049 const unsigned I = NextToken();
6050 if (E->getLocStart().isValid() && D->getLocation().isValid() &&
6051 E->getLocStart() == D->getLocation() &&
6052 E->getLocStart() == GetTokenLoc(I)) {
6053 updateCursorAnnotation(Cursors[I], updateC);
6059 // Before recursing into the children keep some state that we are going
6060 // to use in the AnnotateTokensWorker::postVisitChildren callback to do some
6061 // extra work after the child nodes are visited.
6062 // Note that we don't call VisitChildren here to avoid traversing statements
6063 // code-recursively which can blow the stack.
6065 PostChildrenInfo Info;
6066 Info.Cursor = cursor;
6067 Info.CursorRange = cursorRange;
6068 Info.BeforeReachingCursorIdx = BeforeReachingCursorIdx;
6069 Info.BeforeChildrenTokenIdx = NextToken();
6070 PostChildrenInfos.push_back(Info);
6072 return CXChildVisit_Recurse;
6075 bool AnnotateTokensWorker::postVisitChildren(CXCursor cursor) {
6076 if (PostChildrenInfos.empty())
6078 const PostChildrenInfo &Info = PostChildrenInfos.back();
6079 if (!clang_equalCursors(Info.Cursor, cursor))
6082 const unsigned BeforeChildren = Info.BeforeChildrenTokenIdx;
6083 const unsigned AfterChildren = NextToken();
6084 SourceRange cursorRange = Info.CursorRange;
6086 // Scan the tokens that are at the end of the cursor, but are not captured
6087 // but the child cursors.
6088 annotateAndAdvanceTokens(cursor, RangeOverlap, cursorRange);
6090 // Scan the tokens that are at the beginning of the cursor, but are not
6091 // capture by the child cursors.
6092 for (unsigned I = BeforeChildren; I != AfterChildren; ++I) {
6093 if (!clang_isInvalid(clang_getCursorKind(Cursors[I])))
6096 Cursors[I] = cursor;
6099 // Attributes are annotated out-of-order, rewind TokIdx to when we first
6100 // encountered the attribute cursor.
6101 if (clang_isAttribute(cursor.kind))
6102 TokIdx = Info.BeforeReachingCursorIdx;
6104 PostChildrenInfos.pop_back();
6108 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
6110 CXClientData client_data) {
6111 return static_cast<AnnotateTokensWorker*>(client_data)->Visit(cursor, parent);
6114 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
6115 CXClientData client_data) {
6116 return static_cast<AnnotateTokensWorker*>(client_data)->
6117 postVisitChildren(cursor);
6122 /// \brief Uses the macro expansions in the preprocessing record to find
6123 /// and mark tokens that are macro arguments. This info is used by the
6124 /// AnnotateTokensWorker.
6125 class MarkMacroArgTokensVisitor {
6132 MarkMacroArgTokensVisitor(SourceManager &SM,
6133 CXToken *tokens, unsigned numTokens)
6134 : SM(SM), Tokens(tokens), NumTokens(numTokens), CurIdx(0) { }
6136 CXChildVisitResult visit(CXCursor cursor, CXCursor parent) {
6137 if (cursor.kind != CXCursor_MacroExpansion)
6138 return CXChildVisit_Continue;
6140 SourceRange macroRange = getCursorMacroExpansion(cursor).getSourceRange();
6141 if (macroRange.getBegin() == macroRange.getEnd())
6142 return CXChildVisit_Continue; // it's not a function macro.
6144 for (; CurIdx < NumTokens; ++CurIdx) {
6145 if (!SM.isBeforeInTranslationUnit(getTokenLoc(CurIdx),
6146 macroRange.getBegin()))
6150 if (CurIdx == NumTokens)
6151 return CXChildVisit_Break;
6153 for (; CurIdx < NumTokens; ++CurIdx) {
6154 SourceLocation tokLoc = getTokenLoc(CurIdx);
6155 if (!SM.isBeforeInTranslationUnit(tokLoc, macroRange.getEnd()))
6158 setFunctionMacroTokenLoc(CurIdx, SM.getMacroArgExpandedLocation(tokLoc));
6161 if (CurIdx == NumTokens)
6162 return CXChildVisit_Break;
6164 return CXChildVisit_Continue;
6168 CXToken &getTok(unsigned Idx) {
6169 assert(Idx < NumTokens);
6172 const CXToken &getTok(unsigned Idx) const {
6173 assert(Idx < NumTokens);
6177 SourceLocation getTokenLoc(unsigned tokI) {
6178 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
6181 void setFunctionMacroTokenLoc(unsigned tokI, SourceLocation loc) {
6182 // The third field is reserved and currently not used. Use it here
6183 // to mark macro arg expanded tokens with their expanded locations.
6184 getTok(tokI).int_data[3] = loc.getRawEncoding();
6188 } // end anonymous namespace
6190 static CXChildVisitResult
6191 MarkMacroArgTokensVisitorDelegate(CXCursor cursor, CXCursor parent,
6192 CXClientData client_data) {
6193 return static_cast<MarkMacroArgTokensVisitor*>(client_data)->visit(cursor,
6197 /// \brief Used by \c annotatePreprocessorTokens.
6198 /// \returns true if lexing was finished, false otherwise.
6199 static bool lexNext(Lexer &Lex, Token &Tok,
6200 unsigned &NextIdx, unsigned NumTokens) {
6201 if (NextIdx >= NumTokens)
6205 Lex.LexFromRawLexer(Tok);
6206 if (Tok.is(tok::eof))
6212 static void annotatePreprocessorTokens(CXTranslationUnit TU,
6213 SourceRange RegionOfInterest,
6216 unsigned NumTokens) {
6217 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6219 Preprocessor &PP = CXXUnit->getPreprocessor();
6220 SourceManager &SourceMgr = CXXUnit->getSourceManager();
6221 std::pair<FileID, unsigned> BeginLocInfo
6222 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getBegin());
6223 std::pair<FileID, unsigned> EndLocInfo
6224 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getEnd());
6226 if (BeginLocInfo.first != EndLocInfo.first)
6230 bool Invalid = false;
6231 Buffer = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
6232 if (Buffer.empty() || Invalid)
6235 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
6236 CXXUnit->getASTContext().getLangOpts(),
6237 Buffer.begin(), Buffer.data() + BeginLocInfo.second,
6239 Lex.SetCommentRetentionState(true);
6241 unsigned NextIdx = 0;
6242 // Lex tokens in raw mode until we hit the end of the range, to avoid
6243 // entering #includes or expanding macros.
6246 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6248 unsigned TokIdx = NextIdx-1;
6249 assert(Tok.getLocation() ==
6250 SourceLocation::getFromRawEncoding(Tokens[TokIdx].int_data[1]));
6253 if (Tok.is(tok::hash) && Tok.isAtStartOfLine()) {
6254 // We have found a preprocessing directive. Annotate the tokens
6257 // FIXME: Some simple tests here could identify macro definitions and
6258 // #undefs, to provide specific cursor kinds for those.
6260 SourceLocation BeginLoc = Tok.getLocation();
6261 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6264 MacroInfo *MI = nullptr;
6265 if (Tok.is(tok::raw_identifier) && Tok.getRawIdentifier() == "define") {
6266 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6269 if (Tok.is(tok::raw_identifier)) {
6270 IdentifierInfo &II =
6271 PP.getIdentifierTable().get(Tok.getRawIdentifier());
6272 SourceLocation MappedTokLoc =
6273 CXXUnit->mapLocationToPreamble(Tok.getLocation());
6274 MI = getMacroInfo(II, MappedTokLoc, TU);
6278 bool finished = false;
6280 if (lexNext(Lex, Tok, NextIdx, NumTokens)) {
6284 // If we are in a macro definition, check if the token was ever a
6285 // macro name and annotate it if that's the case.
6287 SourceLocation SaveLoc = Tok.getLocation();
6288 Tok.setLocation(CXXUnit->mapLocationToPreamble(SaveLoc));
6289 MacroDefinitionRecord *MacroDef =
6290 checkForMacroInMacroDefinition(MI, Tok, TU);
6291 Tok.setLocation(SaveLoc);
6293 Cursors[NextIdx - 1] =
6294 MakeMacroExpansionCursor(MacroDef, Tok.getLocation(), TU);
6296 } while (!Tok.isAtStartOfLine());
6298 unsigned LastIdx = finished ? NextIdx-1 : NextIdx-2;
6299 assert(TokIdx <= LastIdx);
6300 SourceLocation EndLoc =
6301 SourceLocation::getFromRawEncoding(Tokens[LastIdx].int_data[1]);
6303 MakePreprocessingDirectiveCursor(SourceRange(BeginLoc, EndLoc), TU);
6305 for (; TokIdx <= LastIdx; ++TokIdx)
6306 updateCursorAnnotation(Cursors[TokIdx], Cursor);
6315 // This gets run a separate thread to avoid stack blowout.
6316 static void clang_annotateTokensImpl(CXTranslationUnit TU, ASTUnit *CXXUnit,
6317 CXToken *Tokens, unsigned NumTokens,
6318 CXCursor *Cursors) {
6319 CIndexer *CXXIdx = TU->CIdx;
6320 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
6321 setThreadBackgroundPriority();
6323 // Determine the region of interest, which contains all of the tokens.
6324 SourceRange RegionOfInterest;
6325 RegionOfInterest.setBegin(
6326 cxloc::translateSourceLocation(clang_getTokenLocation(TU, Tokens[0])));
6327 RegionOfInterest.setEnd(
6328 cxloc::translateSourceLocation(clang_getTokenLocation(TU,
6329 Tokens[NumTokens-1])));
6331 // Relex the tokens within the source range to look for preprocessing
6333 annotatePreprocessorTokens(TU, RegionOfInterest, Cursors, Tokens, NumTokens);
6335 // If begin location points inside a macro argument, set it to the expansion
6336 // location so we can have the full context when annotating semantically.
6338 SourceManager &SM = CXXUnit->getSourceManager();
6339 SourceLocation Loc =
6340 SM.getMacroArgExpandedLocation(RegionOfInterest.getBegin());
6341 if (Loc.isMacroID())
6342 RegionOfInterest.setBegin(SM.getExpansionLoc(Loc));
6345 if (CXXUnit->getPreprocessor().getPreprocessingRecord()) {
6346 // Search and mark tokens that are macro argument expansions.
6347 MarkMacroArgTokensVisitor Visitor(CXXUnit->getSourceManager(),
6349 CursorVisitor MacroArgMarker(TU,
6350 MarkMacroArgTokensVisitorDelegate, &Visitor,
6351 /*VisitPreprocessorLast=*/true,
6352 /*VisitIncludedEntities=*/false,
6354 MacroArgMarker.visitPreprocessedEntitiesInRegion();
6357 // Annotate all of the source locations in the region of interest that map to
6358 // a specific cursor.
6359 AnnotateTokensWorker W(Tokens, Cursors, NumTokens, TU, RegionOfInterest);
6361 // FIXME: We use a ridiculous stack size here because the data-recursion
6362 // algorithm uses a large stack frame than the non-data recursive version,
6363 // and AnnotationTokensWorker currently transforms the data-recursion
6364 // algorithm back into a traditional recursion by explicitly calling
6365 // VisitChildren(). We will need to remove this explicit recursive call.
6368 // If we ran into any entities that involve context-sensitive keywords,
6369 // take another pass through the tokens to mark them as such.
6370 if (W.hasContextSensitiveKeywords()) {
6371 for (unsigned I = 0; I != NumTokens; ++I) {
6372 if (clang_getTokenKind(Tokens[I]) != CXToken_Identifier)
6375 if (Cursors[I].kind == CXCursor_ObjCPropertyDecl) {
6376 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6377 if (const ObjCPropertyDecl *Property
6378 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(Cursors[I]))) {
6379 if (Property->getPropertyAttributesAsWritten() != 0 &&
6380 llvm::StringSwitch<bool>(II->getName())
6381 .Case("readonly", true)
6382 .Case("assign", true)
6383 .Case("unsafe_unretained", true)
6384 .Case("readwrite", true)
6385 .Case("retain", true)
6387 .Case("nonatomic", true)
6388 .Case("atomic", true)
6389 .Case("getter", true)
6390 .Case("setter", true)
6391 .Case("strong", true)
6394 Tokens[I].int_data[0] = CXToken_Keyword;
6399 if (Cursors[I].kind == CXCursor_ObjCInstanceMethodDecl ||
6400 Cursors[I].kind == CXCursor_ObjCClassMethodDecl) {
6401 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6402 if (llvm::StringSwitch<bool>(II->getName())
6405 .Case("inout", true)
6406 .Case("oneway", true)
6407 .Case("bycopy", true)
6408 .Case("byref", true)
6410 Tokens[I].int_data[0] = CXToken_Keyword;
6414 if (Cursors[I].kind == CXCursor_CXXFinalAttr ||
6415 Cursors[I].kind == CXCursor_CXXOverrideAttr) {
6416 Tokens[I].int_data[0] = CXToken_Keyword;
6425 void clang_annotateTokens(CXTranslationUnit TU,
6426 CXToken *Tokens, unsigned NumTokens,
6427 CXCursor *Cursors) {
6428 if (isNotUsableTU(TU)) {
6432 if (NumTokens == 0 || !Tokens || !Cursors) {
6433 LOG_FUNC_SECTION { *Log << "<null input>"; }
6439 CXSourceLocation bloc = clang_getTokenLocation(TU, Tokens[0]);
6440 CXSourceLocation eloc = clang_getTokenLocation(TU, Tokens[NumTokens-1]);
6441 *Log << clang_getRange(bloc, eloc);
6444 // Any token we don't specifically annotate will have a NULL cursor.
6445 CXCursor C = clang_getNullCursor();
6446 for (unsigned I = 0; I != NumTokens; ++I)
6449 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6453 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
6455 auto AnnotateTokensImpl = [=]() {
6456 clang_annotateTokensImpl(TU, CXXUnit, Tokens, NumTokens, Cursors);
6458 llvm::CrashRecoveryContext CRC;
6459 if (!RunSafely(CRC, AnnotateTokensImpl, GetSafetyThreadStackSize() * 2)) {
6460 fprintf(stderr, "libclang: crash detected while annotating tokens\n");
6464 } // end: extern "C"
6466 //===----------------------------------------------------------------------===//
6467 // Operations for querying linkage of a cursor.
6468 //===----------------------------------------------------------------------===//
6471 CXLinkageKind clang_getCursorLinkage(CXCursor cursor) {
6472 if (!clang_isDeclaration(cursor.kind))
6473 return CXLinkage_Invalid;
6475 const Decl *D = cxcursor::getCursorDecl(cursor);
6476 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6477 switch (ND->getLinkageInternal()) {
6479 case VisibleNoLinkage: return CXLinkage_NoLinkage;
6480 case InternalLinkage: return CXLinkage_Internal;
6481 case UniqueExternalLinkage: return CXLinkage_UniqueExternal;
6482 case ExternalLinkage: return CXLinkage_External;
6485 return CXLinkage_Invalid;
6487 } // end: extern "C"
6489 //===----------------------------------------------------------------------===//
6490 // Operations for querying visibility of a cursor.
6491 //===----------------------------------------------------------------------===//
6494 CXVisibilityKind clang_getCursorVisibility(CXCursor cursor) {
6495 if (!clang_isDeclaration(cursor.kind))
6496 return CXVisibility_Invalid;
6498 const Decl *D = cxcursor::getCursorDecl(cursor);
6499 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6500 switch (ND->getVisibility()) {
6501 case HiddenVisibility: return CXVisibility_Hidden;
6502 case ProtectedVisibility: return CXVisibility_Protected;
6503 case DefaultVisibility: return CXVisibility_Default;
6506 return CXVisibility_Invalid;
6508 } // end: extern "C"
6510 //===----------------------------------------------------------------------===//
6511 // Operations for querying language of a cursor.
6512 //===----------------------------------------------------------------------===//
6514 static CXLanguageKind getDeclLanguage(const Decl *D) {
6516 return CXLanguage_C;
6518 switch (D->getKind()) {
6521 case Decl::ImplicitParam:
6522 case Decl::ObjCAtDefsField:
6523 case Decl::ObjCCategory:
6524 case Decl::ObjCCategoryImpl:
6525 case Decl::ObjCCompatibleAlias:
6526 case Decl::ObjCImplementation:
6527 case Decl::ObjCInterface:
6528 case Decl::ObjCIvar:
6529 case Decl::ObjCMethod:
6530 case Decl::ObjCProperty:
6531 case Decl::ObjCPropertyImpl:
6532 case Decl::ObjCProtocol:
6533 case Decl::ObjCTypeParam:
6534 return CXLanguage_ObjC;
6535 case Decl::CXXConstructor:
6536 case Decl::CXXConversion:
6537 case Decl::CXXDestructor:
6538 case Decl::CXXMethod:
6539 case Decl::CXXRecord:
6540 case Decl::ClassTemplate:
6541 case Decl::ClassTemplatePartialSpecialization:
6542 case Decl::ClassTemplateSpecialization:
6544 case Decl::FriendTemplate:
6545 case Decl::FunctionTemplate:
6546 case Decl::LinkageSpec:
6547 case Decl::Namespace:
6548 case Decl::NamespaceAlias:
6549 case Decl::NonTypeTemplateParm:
6550 case Decl::StaticAssert:
6551 case Decl::TemplateTemplateParm:
6552 case Decl::TemplateTypeParm:
6553 case Decl::UnresolvedUsingTypename:
6554 case Decl::UnresolvedUsingValue:
6556 case Decl::UsingDirective:
6557 case Decl::UsingShadow:
6558 return CXLanguage_CPlusPlus;
6561 return CXLanguage_C;
6566 static CXAvailabilityKind getCursorAvailabilityForDecl(const Decl *D) {
6567 if (isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->isDeleted())
6568 return CXAvailability_NotAvailable;
6570 switch (D->getAvailability()) {
6572 case AR_NotYetIntroduced:
6573 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6574 return getCursorAvailabilityForDecl(
6575 cast<Decl>(EnumConst->getDeclContext()));
6576 return CXAvailability_Available;
6579 return CXAvailability_Deprecated;
6581 case AR_Unavailable:
6582 return CXAvailability_NotAvailable;
6585 llvm_unreachable("Unknown availability kind!");
6588 enum CXAvailabilityKind clang_getCursorAvailability(CXCursor cursor) {
6589 if (clang_isDeclaration(cursor.kind))
6590 if (const Decl *D = cxcursor::getCursorDecl(cursor))
6591 return getCursorAvailabilityForDecl(D);
6593 return CXAvailability_Available;
6596 static CXVersion convertVersion(VersionTuple In) {
6597 CXVersion Out = { -1, -1, -1 };
6601 Out.Major = In.getMajor();
6603 Optional<unsigned> Minor = In.getMinor();
6604 if (Minor.hasValue())
6609 Optional<unsigned> Subminor = In.getSubminor();
6610 if (Subminor.hasValue())
6611 Out.Subminor = *Subminor;
6616 static int getCursorPlatformAvailabilityForDecl(const Decl *D,
6617 int *always_deprecated,
6618 CXString *deprecated_message,
6619 int *always_unavailable,
6620 CXString *unavailable_message,
6621 CXPlatformAvailability *availability,
6622 int availability_size) {
6623 bool HadAvailAttr = false;
6625 for (auto A : D->attrs()) {
6626 if (DeprecatedAttr *Deprecated = dyn_cast<DeprecatedAttr>(A)) {
6627 HadAvailAttr = true;
6628 if (always_deprecated)
6629 *always_deprecated = 1;
6630 if (deprecated_message) {
6631 clang_disposeString(*deprecated_message);
6632 *deprecated_message = cxstring::createDup(Deprecated->getMessage());
6637 if (UnavailableAttr *Unavailable = dyn_cast<UnavailableAttr>(A)) {
6638 HadAvailAttr = true;
6639 if (always_unavailable)
6640 *always_unavailable = 1;
6641 if (unavailable_message) {
6642 clang_disposeString(*unavailable_message);
6643 *unavailable_message = cxstring::createDup(Unavailable->getMessage());
6648 if (AvailabilityAttr *Avail = dyn_cast<AvailabilityAttr>(A)) {
6649 HadAvailAttr = true;
6650 if (N < availability_size) {
6651 availability[N].Platform
6652 = cxstring::createDup(Avail->getPlatform()->getName());
6653 availability[N].Introduced = convertVersion(Avail->getIntroduced());
6654 availability[N].Deprecated = convertVersion(Avail->getDeprecated());
6655 availability[N].Obsoleted = convertVersion(Avail->getObsoleted());
6656 availability[N].Unavailable = Avail->getUnavailable();
6657 availability[N].Message = cxstring::createDup(Avail->getMessage());
6664 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6665 return getCursorPlatformAvailabilityForDecl(
6666 cast<Decl>(EnumConst->getDeclContext()),
6670 unavailable_message,
6677 int clang_getCursorPlatformAvailability(CXCursor cursor,
6678 int *always_deprecated,
6679 CXString *deprecated_message,
6680 int *always_unavailable,
6681 CXString *unavailable_message,
6682 CXPlatformAvailability *availability,
6683 int availability_size) {
6684 if (always_deprecated)
6685 *always_deprecated = 0;
6686 if (deprecated_message)
6687 *deprecated_message = cxstring::createEmpty();
6688 if (always_unavailable)
6689 *always_unavailable = 0;
6690 if (unavailable_message)
6691 *unavailable_message = cxstring::createEmpty();
6693 if (!clang_isDeclaration(cursor.kind))
6696 const Decl *D = cxcursor::getCursorDecl(cursor);
6700 return getCursorPlatformAvailabilityForDecl(D, always_deprecated,
6703 unavailable_message,
6708 void clang_disposeCXPlatformAvailability(CXPlatformAvailability *availability) {
6709 clang_disposeString(availability->Platform);
6710 clang_disposeString(availability->Message);
6713 CXLanguageKind clang_getCursorLanguage(CXCursor cursor) {
6714 if (clang_isDeclaration(cursor.kind))
6715 return getDeclLanguage(cxcursor::getCursorDecl(cursor));
6717 return CXLanguage_Invalid;
6720 /// \brief If the given cursor is the "templated" declaration
6721 /// descibing a class or function template, return the class or
6722 /// function template.
6723 static const Decl *maybeGetTemplateCursor(const Decl *D) {
6727 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
6728 if (FunctionTemplateDecl *FunTmpl = FD->getDescribedFunctionTemplate())
6731 if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D))
6732 if (ClassTemplateDecl *ClassTmpl = RD->getDescribedClassTemplate())
6739 enum CX_StorageClass clang_Cursor_getStorageClass(CXCursor C) {
6740 StorageClass sc = SC_None;
6741 const Decl *D = getCursorDecl(C);
6743 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
6744 sc = FD->getStorageClass();
6745 } else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
6746 sc = VD->getStorageClass();
6748 return CX_SC_Invalid;
6751 return CX_SC_Invalid;
6757 return CX_SC_Extern;
6759 return CX_SC_Static;
6760 case SC_PrivateExtern:
6761 return CX_SC_PrivateExtern;
6765 return CX_SC_Register;
6767 llvm_unreachable("Unhandled storage class!");
6770 CXCursor clang_getCursorSemanticParent(CXCursor cursor) {
6771 if (clang_isDeclaration(cursor.kind)) {
6772 if (const Decl *D = getCursorDecl(cursor)) {
6773 const DeclContext *DC = D->getDeclContext();
6775 return clang_getNullCursor();
6777 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
6778 getCursorTU(cursor));
6782 if (clang_isStatement(cursor.kind) || clang_isExpression(cursor.kind)) {
6783 if (const Decl *D = getCursorDecl(cursor))
6784 return MakeCXCursor(D, getCursorTU(cursor));
6787 return clang_getNullCursor();
6790 CXCursor clang_getCursorLexicalParent(CXCursor cursor) {
6791 if (clang_isDeclaration(cursor.kind)) {
6792 if (const Decl *D = getCursorDecl(cursor)) {
6793 const DeclContext *DC = D->getLexicalDeclContext();
6795 return clang_getNullCursor();
6797 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
6798 getCursorTU(cursor));
6802 // FIXME: Note that we can't easily compute the lexical context of a
6803 // statement or expression, so we return nothing.
6804 return clang_getNullCursor();
6807 CXFile clang_getIncludedFile(CXCursor cursor) {
6808 if (cursor.kind != CXCursor_InclusionDirective)
6811 const InclusionDirective *ID = getCursorInclusionDirective(cursor);
6812 return const_cast<FileEntry *>(ID->getFile());
6815 unsigned clang_Cursor_getObjCPropertyAttributes(CXCursor C, unsigned reserved) {
6816 if (C.kind != CXCursor_ObjCPropertyDecl)
6817 return CXObjCPropertyAttr_noattr;
6819 unsigned Result = CXObjCPropertyAttr_noattr;
6820 const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(getCursorDecl(C));
6821 ObjCPropertyDecl::PropertyAttributeKind Attr =
6822 PD->getPropertyAttributesAsWritten();
6824 #define SET_CXOBJCPROP_ATTR(A) \
6825 if (Attr & ObjCPropertyDecl::OBJC_PR_##A) \
6826 Result |= CXObjCPropertyAttr_##A
6827 SET_CXOBJCPROP_ATTR(readonly);
6828 SET_CXOBJCPROP_ATTR(getter);
6829 SET_CXOBJCPROP_ATTR(assign);
6830 SET_CXOBJCPROP_ATTR(readwrite);
6831 SET_CXOBJCPROP_ATTR(retain);
6832 SET_CXOBJCPROP_ATTR(copy);
6833 SET_CXOBJCPROP_ATTR(nonatomic);
6834 SET_CXOBJCPROP_ATTR(setter);
6835 SET_CXOBJCPROP_ATTR(atomic);
6836 SET_CXOBJCPROP_ATTR(weak);
6837 SET_CXOBJCPROP_ATTR(strong);
6838 SET_CXOBJCPROP_ATTR(unsafe_unretained);
6839 #undef SET_CXOBJCPROP_ATTR
6844 unsigned clang_Cursor_getObjCDeclQualifiers(CXCursor C) {
6845 if (!clang_isDeclaration(C.kind))
6846 return CXObjCDeclQualifier_None;
6848 Decl::ObjCDeclQualifier QT = Decl::OBJC_TQ_None;
6849 const Decl *D = getCursorDecl(C);
6850 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
6851 QT = MD->getObjCDeclQualifier();
6852 else if (const ParmVarDecl *PD = dyn_cast<ParmVarDecl>(D))
6853 QT = PD->getObjCDeclQualifier();
6854 if (QT == Decl::OBJC_TQ_None)
6855 return CXObjCDeclQualifier_None;
6857 unsigned Result = CXObjCDeclQualifier_None;
6858 if (QT & Decl::OBJC_TQ_In) Result |= CXObjCDeclQualifier_In;
6859 if (QT & Decl::OBJC_TQ_Inout) Result |= CXObjCDeclQualifier_Inout;
6860 if (QT & Decl::OBJC_TQ_Out) Result |= CXObjCDeclQualifier_Out;
6861 if (QT & Decl::OBJC_TQ_Bycopy) Result |= CXObjCDeclQualifier_Bycopy;
6862 if (QT & Decl::OBJC_TQ_Byref) Result |= CXObjCDeclQualifier_Byref;
6863 if (QT & Decl::OBJC_TQ_Oneway) Result |= CXObjCDeclQualifier_Oneway;
6868 unsigned clang_Cursor_isObjCOptional(CXCursor C) {
6869 if (!clang_isDeclaration(C.kind))
6872 const Decl *D = getCursorDecl(C);
6873 if (const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(D))
6874 return PD->getPropertyImplementation() == ObjCPropertyDecl::Optional;
6875 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
6876 return MD->getImplementationControl() == ObjCMethodDecl::Optional;
6881 unsigned clang_Cursor_isVariadic(CXCursor C) {
6882 if (!clang_isDeclaration(C.kind))
6885 const Decl *D = getCursorDecl(C);
6886 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
6887 return FD->isVariadic();
6888 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
6889 return MD->isVariadic();
6894 CXSourceRange clang_Cursor_getCommentRange(CXCursor C) {
6895 if (!clang_isDeclaration(C.kind))
6896 return clang_getNullRange();
6898 const Decl *D = getCursorDecl(C);
6899 ASTContext &Context = getCursorContext(C);
6900 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6902 return clang_getNullRange();
6904 return cxloc::translateSourceRange(Context, RC->getSourceRange());
6907 CXString clang_Cursor_getRawCommentText(CXCursor C) {
6908 if (!clang_isDeclaration(C.kind))
6909 return cxstring::createNull();
6911 const Decl *D = getCursorDecl(C);
6912 ASTContext &Context = getCursorContext(C);
6913 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6914 StringRef RawText = RC ? RC->getRawText(Context.getSourceManager()) :
6917 // Don't duplicate the string because RawText points directly into source
6919 return cxstring::createRef(RawText);
6922 CXString clang_Cursor_getBriefCommentText(CXCursor C) {
6923 if (!clang_isDeclaration(C.kind))
6924 return cxstring::createNull();
6926 const Decl *D = getCursorDecl(C);
6927 const ASTContext &Context = getCursorContext(C);
6928 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6931 StringRef BriefText = RC->getBriefText(Context);
6933 // Don't duplicate the string because RawComment ensures that this memory
6934 // will not go away.
6935 return cxstring::createRef(BriefText);
6938 return cxstring::createNull();
6941 CXModule clang_Cursor_getModule(CXCursor C) {
6942 if (C.kind == CXCursor_ModuleImportDecl) {
6943 if (const ImportDecl *ImportD =
6944 dyn_cast_or_null<ImportDecl>(getCursorDecl(C)))
6945 return ImportD->getImportedModule();
6951 CXModule clang_getModuleForFile(CXTranslationUnit TU, CXFile File) {
6952 if (isNotUsableTU(TU)) {
6958 FileEntry *FE = static_cast<FileEntry *>(File);
6960 ASTUnit &Unit = *cxtu::getASTUnit(TU);
6961 HeaderSearch &HS = Unit.getPreprocessor().getHeaderSearchInfo();
6962 ModuleMap::KnownHeader Header = HS.findModuleForHeader(FE);
6964 return Header.getModule();
6967 CXFile clang_Module_getASTFile(CXModule CXMod) {
6970 Module *Mod = static_cast<Module*>(CXMod);
6971 return const_cast<FileEntry *>(Mod->getASTFile());
6974 CXModule clang_Module_getParent(CXModule CXMod) {
6977 Module *Mod = static_cast<Module*>(CXMod);
6981 CXString clang_Module_getName(CXModule CXMod) {
6983 return cxstring::createEmpty();
6984 Module *Mod = static_cast<Module*>(CXMod);
6985 return cxstring::createDup(Mod->Name);
6988 CXString clang_Module_getFullName(CXModule CXMod) {
6990 return cxstring::createEmpty();
6991 Module *Mod = static_cast<Module*>(CXMod);
6992 return cxstring::createDup(Mod->getFullModuleName());
6995 int clang_Module_isSystem(CXModule CXMod) {
6998 Module *Mod = static_cast<Module*>(CXMod);
6999 return Mod->IsSystem;
7002 unsigned clang_Module_getNumTopLevelHeaders(CXTranslationUnit TU,
7004 if (isNotUsableTU(TU)) {
7010 Module *Mod = static_cast<Module*>(CXMod);
7011 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7012 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7013 return TopHeaders.size();
7016 CXFile clang_Module_getTopLevelHeader(CXTranslationUnit TU,
7017 CXModule CXMod, unsigned Index) {
7018 if (isNotUsableTU(TU)) {
7024 Module *Mod = static_cast<Module*>(CXMod);
7025 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7027 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7028 if (Index < TopHeaders.size())
7029 return const_cast<FileEntry *>(TopHeaders[Index]);
7034 } // end: extern "C"
7036 //===----------------------------------------------------------------------===//
7037 // C++ AST instrospection.
7038 //===----------------------------------------------------------------------===//
7041 unsigned clang_CXXField_isMutable(CXCursor C) {
7042 if (!clang_isDeclaration(C.kind))
7045 if (const auto D = cxcursor::getCursorDecl(C))
7046 if (const auto FD = dyn_cast_or_null<FieldDecl>(D))
7047 return FD->isMutable() ? 1 : 0;
7051 unsigned clang_CXXMethod_isPureVirtual(CXCursor C) {
7052 if (!clang_isDeclaration(C.kind))
7055 const Decl *D = cxcursor::getCursorDecl(C);
7056 const CXXMethodDecl *Method =
7057 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7058 return (Method && Method->isVirtual() && Method->isPure()) ? 1 : 0;
7061 unsigned clang_CXXMethod_isConst(CXCursor C) {
7062 if (!clang_isDeclaration(C.kind))
7065 const Decl *D = cxcursor::getCursorDecl(C);
7066 const CXXMethodDecl *Method =
7067 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7068 return (Method && (Method->getTypeQualifiers() & Qualifiers::Const)) ? 1 : 0;
7071 unsigned clang_CXXMethod_isStatic(CXCursor C) {
7072 if (!clang_isDeclaration(C.kind))
7075 const Decl *D = cxcursor::getCursorDecl(C);
7076 const CXXMethodDecl *Method =
7077 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7078 return (Method && Method->isStatic()) ? 1 : 0;
7081 unsigned clang_CXXMethod_isVirtual(CXCursor C) {
7082 if (!clang_isDeclaration(C.kind))
7085 const Decl *D = cxcursor::getCursorDecl(C);
7086 const CXXMethodDecl *Method =
7087 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7088 return (Method && Method->isVirtual()) ? 1 : 0;
7090 } // end: extern "C"
7092 //===----------------------------------------------------------------------===//
7093 // Attribute introspection.
7094 //===----------------------------------------------------------------------===//
7097 CXType clang_getIBOutletCollectionType(CXCursor C) {
7098 if (C.kind != CXCursor_IBOutletCollectionAttr)
7099 return cxtype::MakeCXType(QualType(), cxcursor::getCursorTU(C));
7101 const IBOutletCollectionAttr *A =
7102 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
7104 return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorTU(C));
7106 } // end: extern "C"
7108 //===----------------------------------------------------------------------===//
7109 // Inspecting memory usage.
7110 //===----------------------------------------------------------------------===//
7112 typedef std::vector<CXTUResourceUsageEntry> MemUsageEntries;
7114 static inline void createCXTUResourceUsageEntry(MemUsageEntries &entries,
7115 enum CXTUResourceUsageKind k,
7116 unsigned long amount) {
7117 CXTUResourceUsageEntry entry = { k, amount };
7118 entries.push_back(entry);
7123 const char *clang_getTUResourceUsageName(CXTUResourceUsageKind kind) {
7124 const char *str = "";
7126 case CXTUResourceUsage_AST:
7127 str = "ASTContext: expressions, declarations, and types";
7129 case CXTUResourceUsage_Identifiers:
7130 str = "ASTContext: identifiers";
7132 case CXTUResourceUsage_Selectors:
7133 str = "ASTContext: selectors";
7135 case CXTUResourceUsage_GlobalCompletionResults:
7136 str = "Code completion: cached global results";
7138 case CXTUResourceUsage_SourceManagerContentCache:
7139 str = "SourceManager: content cache allocator";
7141 case CXTUResourceUsage_AST_SideTables:
7142 str = "ASTContext: side tables";
7144 case CXTUResourceUsage_SourceManager_Membuffer_Malloc:
7145 str = "SourceManager: malloc'ed memory buffers";
7147 case CXTUResourceUsage_SourceManager_Membuffer_MMap:
7148 str = "SourceManager: mmap'ed memory buffers";
7150 case CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc:
7151 str = "ExternalASTSource: malloc'ed memory buffers";
7153 case CXTUResourceUsage_ExternalASTSource_Membuffer_MMap:
7154 str = "ExternalASTSource: mmap'ed memory buffers";
7156 case CXTUResourceUsage_Preprocessor:
7157 str = "Preprocessor: malloc'ed memory";
7159 case CXTUResourceUsage_PreprocessingRecord:
7160 str = "Preprocessor: PreprocessingRecord";
7162 case CXTUResourceUsage_SourceManager_DataStructures:
7163 str = "SourceManager: data structures and tables";
7165 case CXTUResourceUsage_Preprocessor_HeaderSearch:
7166 str = "Preprocessor: header search tables";
7172 CXTUResourceUsage clang_getCXTUResourceUsage(CXTranslationUnit TU) {
7173 if (isNotUsableTU(TU)) {
7175 CXTUResourceUsage usage = { (void*) nullptr, 0, nullptr };
7179 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7180 std::unique_ptr<MemUsageEntries> entries(new MemUsageEntries());
7181 ASTContext &astContext = astUnit->getASTContext();
7183 // How much memory is used by AST nodes and types?
7184 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST,
7185 (unsigned long) astContext.getASTAllocatedMemory());
7187 // How much memory is used by identifiers?
7188 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Identifiers,
7189 (unsigned long) astContext.Idents.getAllocator().getTotalMemory());
7191 // How much memory is used for selectors?
7192 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Selectors,
7193 (unsigned long) astContext.Selectors.getTotalMemory());
7195 // How much memory is used by ASTContext's side tables?
7196 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST_SideTables,
7197 (unsigned long) astContext.getSideTableAllocatedMemory());
7199 // How much memory is used for caching global code completion results?
7200 unsigned long completionBytes = 0;
7201 if (GlobalCodeCompletionAllocator *completionAllocator =
7202 astUnit->getCachedCompletionAllocator().get()) {
7203 completionBytes = completionAllocator->getTotalMemory();
7205 createCXTUResourceUsageEntry(*entries,
7206 CXTUResourceUsage_GlobalCompletionResults,
7209 // How much memory is being used by SourceManager's content cache?
7210 createCXTUResourceUsageEntry(*entries,
7211 CXTUResourceUsage_SourceManagerContentCache,
7212 (unsigned long) astContext.getSourceManager().getContentCacheSize());
7214 // How much memory is being used by the MemoryBuffer's in SourceManager?
7215 const SourceManager::MemoryBufferSizes &srcBufs =
7216 astUnit->getSourceManager().getMemoryBufferSizes();
7218 createCXTUResourceUsageEntry(*entries,
7219 CXTUResourceUsage_SourceManager_Membuffer_Malloc,
7220 (unsigned long) srcBufs.malloc_bytes);
7221 createCXTUResourceUsageEntry(*entries,
7222 CXTUResourceUsage_SourceManager_Membuffer_MMap,
7223 (unsigned long) srcBufs.mmap_bytes);
7224 createCXTUResourceUsageEntry(*entries,
7225 CXTUResourceUsage_SourceManager_DataStructures,
7226 (unsigned long) astContext.getSourceManager()
7227 .getDataStructureSizes());
7229 // How much memory is being used by the ExternalASTSource?
7230 if (ExternalASTSource *esrc = astContext.getExternalSource()) {
7231 const ExternalASTSource::MemoryBufferSizes &sizes =
7232 esrc->getMemoryBufferSizes();
7234 createCXTUResourceUsageEntry(*entries,
7235 CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc,
7236 (unsigned long) sizes.malloc_bytes);
7237 createCXTUResourceUsageEntry(*entries,
7238 CXTUResourceUsage_ExternalASTSource_Membuffer_MMap,
7239 (unsigned long) sizes.mmap_bytes);
7242 // How much memory is being used by the Preprocessor?
7243 Preprocessor &pp = astUnit->getPreprocessor();
7244 createCXTUResourceUsageEntry(*entries,
7245 CXTUResourceUsage_Preprocessor,
7246 pp.getTotalMemory());
7248 if (PreprocessingRecord *pRec = pp.getPreprocessingRecord()) {
7249 createCXTUResourceUsageEntry(*entries,
7250 CXTUResourceUsage_PreprocessingRecord,
7251 pRec->getTotalMemory());
7254 createCXTUResourceUsageEntry(*entries,
7255 CXTUResourceUsage_Preprocessor_HeaderSearch,
7256 pp.getHeaderSearchInfo().getTotalMemory());
7258 CXTUResourceUsage usage = { (void*) entries.get(),
7259 (unsigned) entries->size(),
7260 !entries->empty() ? &(*entries)[0] : nullptr };
7265 void clang_disposeCXTUResourceUsage(CXTUResourceUsage usage) {
7267 delete (MemUsageEntries*) usage.data;
7270 CXSourceRangeList *clang_getSkippedRanges(CXTranslationUnit TU, CXFile file) {
7271 CXSourceRangeList *skipped = new CXSourceRangeList;
7273 skipped->ranges = nullptr;
7275 if (isNotUsableTU(TU)) {
7283 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7284 PreprocessingRecord *ppRec = astUnit->getPreprocessor().getPreprocessingRecord();
7288 ASTContext &Ctx = astUnit->getASTContext();
7289 SourceManager &sm = Ctx.getSourceManager();
7290 FileEntry *fileEntry = static_cast<FileEntry *>(file);
7291 FileID wantedFileID = sm.translateFile(fileEntry);
7293 const std::vector<SourceRange> &SkippedRanges = ppRec->getSkippedRanges();
7294 std::vector<SourceRange> wantedRanges;
7295 for (std::vector<SourceRange>::const_iterator i = SkippedRanges.begin(), ei = SkippedRanges.end();
7297 if (sm.getFileID(i->getBegin()) == wantedFileID || sm.getFileID(i->getEnd()) == wantedFileID)
7298 wantedRanges.push_back(*i);
7301 skipped->count = wantedRanges.size();
7302 skipped->ranges = new CXSourceRange[skipped->count];
7303 for (unsigned i = 0, ei = skipped->count; i != ei; ++i)
7304 skipped->ranges[i] = cxloc::translateSourceRange(Ctx, wantedRanges[i]);
7309 void clang_disposeSourceRangeList(CXSourceRangeList *ranges) {
7311 delete[] ranges->ranges;
7318 void clang::PrintLibclangResourceUsage(CXTranslationUnit TU) {
7319 CXTUResourceUsage Usage = clang_getCXTUResourceUsage(TU);
7320 for (unsigned I = 0; I != Usage.numEntries; ++I)
7321 fprintf(stderr, " %s: %lu\n",
7322 clang_getTUResourceUsageName(Usage.entries[I].kind),
7323 Usage.entries[I].amount);
7325 clang_disposeCXTUResourceUsage(Usage);
7328 //===----------------------------------------------------------------------===//
7329 // Misc. utility functions.
7330 //===----------------------------------------------------------------------===//
7332 /// Default to using an 8 MB stack size on "safety" threads.
7333 static unsigned SafetyStackThreadSize = 8 << 20;
7337 bool RunSafely(llvm::CrashRecoveryContext &CRC, llvm::function_ref<void()> Fn,
7340 Size = GetSafetyThreadStackSize();
7342 return CRC.RunSafelyOnThread(Fn, Size);
7343 return CRC.RunSafely(Fn);
7346 unsigned GetSafetyThreadStackSize() {
7347 return SafetyStackThreadSize;
7350 void SetSafetyThreadStackSize(unsigned Value) {
7351 SafetyStackThreadSize = Value;
7356 void clang::setThreadBackgroundPriority() {
7357 if (getenv("LIBCLANG_BGPRIO_DISABLE"))
7360 #ifdef USE_DARWIN_THREADS
7361 setpriority(PRIO_DARWIN_THREAD, 0, PRIO_DARWIN_BG);
7365 void cxindex::printDiagsToStderr(ASTUnit *Unit) {
7369 for (ASTUnit::stored_diag_iterator D = Unit->stored_diag_begin(),
7370 DEnd = Unit->stored_diag_end();
7372 CXStoredDiagnostic Diag(*D, Unit->getLangOpts());
7373 CXString Msg = clang_formatDiagnostic(&Diag,
7374 clang_defaultDiagnosticDisplayOptions());
7375 fprintf(stderr, "%s\n", clang_getCString(Msg));
7376 clang_disposeString(Msg);
7378 #ifdef LLVM_ON_WIN32
7379 // On Windows, force a flush, since there may be multiple copies of
7380 // stderr and stdout in the file system, all with different buffers
7381 // but writing to the same device.
7386 MacroInfo *cxindex::getMacroInfo(const IdentifierInfo &II,
7387 SourceLocation MacroDefLoc,
7388 CXTranslationUnit TU){
7389 if (MacroDefLoc.isInvalid() || !TU)
7391 if (!II.hadMacroDefinition())
7394 ASTUnit *Unit = cxtu::getASTUnit(TU);
7395 Preprocessor &PP = Unit->getPreprocessor();
7396 MacroDirective *MD = PP.getLocalMacroDirectiveHistory(&II);
7398 for (MacroDirective::DefInfo
7399 Def = MD->getDefinition(); Def; Def = Def.getPreviousDefinition()) {
7400 if (MacroDefLoc == Def.getMacroInfo()->getDefinitionLoc())
7401 return Def.getMacroInfo();
7408 const MacroInfo *cxindex::getMacroInfo(const MacroDefinitionRecord *MacroDef,
7409 CXTranslationUnit TU) {
7410 if (!MacroDef || !TU)
7412 const IdentifierInfo *II = MacroDef->getName();
7416 return getMacroInfo(*II, MacroDef->getLocation(), TU);
7419 MacroDefinitionRecord *
7420 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, const Token &Tok,
7421 CXTranslationUnit TU) {
7424 if (Tok.isNot(tok::raw_identifier))
7427 if (MI->getNumTokens() == 0)
7429 SourceRange DefRange(MI->getReplacementToken(0).getLocation(),
7430 MI->getDefinitionEndLoc());
7431 ASTUnit *Unit = cxtu::getASTUnit(TU);
7433 // Check that the token is inside the definition and not its argument list.
7434 SourceManager &SM = Unit->getSourceManager();
7435 if (SM.isBeforeInTranslationUnit(Tok.getLocation(), DefRange.getBegin()))
7437 if (SM.isBeforeInTranslationUnit(DefRange.getEnd(), Tok.getLocation()))
7440 Preprocessor &PP = Unit->getPreprocessor();
7441 PreprocessingRecord *PPRec = PP.getPreprocessingRecord();
7445 IdentifierInfo &II = PP.getIdentifierTable().get(Tok.getRawIdentifier());
7446 if (!II.hadMacroDefinition())
7449 // Check that the identifier is not one of the macro arguments.
7450 if (std::find(MI->arg_begin(), MI->arg_end(), &II) != MI->arg_end())
7453 MacroDirective *InnerMD = PP.getLocalMacroDirectiveHistory(&II);
7457 return PPRec->findMacroDefinition(InnerMD->getMacroInfo());
7460 MacroDefinitionRecord *
7461 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, SourceLocation Loc,
7462 CXTranslationUnit TU) {
7463 if (Loc.isInvalid() || !MI || !TU)
7466 if (MI->getNumTokens() == 0)
7468 ASTUnit *Unit = cxtu::getASTUnit(TU);
7469 Preprocessor &PP = Unit->getPreprocessor();
7470 if (!PP.getPreprocessingRecord())
7472 Loc = Unit->getSourceManager().getSpellingLoc(Loc);
7474 if (PP.getRawToken(Loc, Tok))
7477 return checkForMacroInMacroDefinition(MI, Tok, TU);
7482 CXString clang_getClangVersion() {
7483 return cxstring::createDup(getClangFullVersion());
7486 } // end: extern "C"
7488 Logger &cxindex::Logger::operator<<(CXTranslationUnit TU) {
7490 if (ASTUnit *Unit = cxtu::getASTUnit(TU)) {
7491 LogOS << '<' << Unit->getMainFileName() << '>';
7492 if (Unit->isMainFileAST())
7493 LogOS << " (" << Unit->getASTFileName() << ')';
7497 LogOS << "<NULL TU>";
7502 Logger &cxindex::Logger::operator<<(const FileEntry *FE) {
7503 *this << FE->getName();
7507 Logger &cxindex::Logger::operator<<(CXCursor cursor) {
7508 CXString cursorName = clang_getCursorDisplayName(cursor);
7509 *this << cursorName << "@" << clang_getCursorLocation(cursor);
7510 clang_disposeString(cursorName);
7514 Logger &cxindex::Logger::operator<<(CXSourceLocation Loc) {
7516 unsigned Line, Column;
7517 clang_getFileLocation(Loc, &File, &Line, &Column, nullptr);
7518 CXString FileName = clang_getFileName(File);
7519 *this << llvm::format("(%s:%d:%d)", clang_getCString(FileName), Line, Column);
7520 clang_disposeString(FileName);
7524 Logger &cxindex::Logger::operator<<(CXSourceRange range) {
7525 CXSourceLocation BLoc = clang_getRangeStart(range);
7526 CXSourceLocation ELoc = clang_getRangeEnd(range);
7529 unsigned BLine, BColumn;
7530 clang_getFileLocation(BLoc, &BFile, &BLine, &BColumn, nullptr);
7533 unsigned ELine, EColumn;
7534 clang_getFileLocation(ELoc, &EFile, &ELine, &EColumn, nullptr);
7536 CXString BFileName = clang_getFileName(BFile);
7537 if (BFile == EFile) {
7538 *this << llvm::format("[%s %d:%d-%d:%d]", clang_getCString(BFileName),
7539 BLine, BColumn, ELine, EColumn);
7541 CXString EFileName = clang_getFileName(EFile);
7542 *this << llvm::format("[%s:%d:%d - ", clang_getCString(BFileName),
7544 << llvm::format("%s:%d:%d]", clang_getCString(EFileName),
7546 clang_disposeString(EFileName);
7548 clang_disposeString(BFileName);
7552 Logger &cxindex::Logger::operator<<(CXString Str) {
7553 *this << clang_getCString(Str);
7557 Logger &cxindex::Logger::operator<<(const llvm::format_object_base &Fmt) {
7562 static llvm::ManagedStatic<llvm::sys::Mutex> LoggingMutex;
7564 cxindex::Logger::~Logger() {
7565 llvm::sys::ScopedLock L(*LoggingMutex);
7567 static llvm::TimeRecord sBeginTR = llvm::TimeRecord::getCurrentTime();
7569 raw_ostream &OS = llvm::errs();
7570 OS << "[libclang:" << Name << ':';
7572 #ifdef USE_DARWIN_THREADS
7573 // TODO: Portability.
7574 mach_port_t tid = pthread_mach_thread_np(pthread_self());
7578 llvm::TimeRecord TR = llvm::TimeRecord::getCurrentTime();
7579 OS << llvm::format("%7.4f] ", TR.getWallTime() - sBeginTR.getWallTime());
7583 llvm::sys::PrintStackTrace(OS);
7584 OS << "--------------------------------------------------\n";