1 //===- CIndex.cpp - Clang-C Source Indexing Library -----------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the main API hooks in the Clang-C Source Indexing
13 //===----------------------------------------------------------------------===//
16 #include "CIndexDiagnostic.h"
19 #include "CXSourceLocation.h"
21 #include "CXTranslationUnit.h"
23 #include "CursorVisitor.h"
24 #include "clang/AST/Attr.h"
25 #include "clang/AST/StmtVisitor.h"
26 #include "clang/Basic/Diagnostic.h"
27 #include "clang/Basic/DiagnosticCategories.h"
28 #include "clang/Basic/DiagnosticIDs.h"
29 #include "clang/Basic/Version.h"
30 #include "clang/Frontend/ASTUnit.h"
31 #include "clang/Frontend/CompilerInstance.h"
32 #include "clang/Frontend/FrontendDiagnostic.h"
33 #include "clang/Index/CodegenNameGenerator.h"
34 #include "clang/Index/CommentToXML.h"
35 #include "clang/Lex/HeaderSearch.h"
36 #include "clang/Lex/Lexer.h"
37 #include "clang/Lex/PreprocessingRecord.h"
38 #include "clang/Lex/Preprocessor.h"
39 #include "clang/Serialization/SerializationDiagnostic.h"
40 #include "llvm/ADT/Optional.h"
41 #include "llvm/ADT/STLExtras.h"
42 #include "llvm/ADT/StringSwitch.h"
43 #include "llvm/Config/llvm-config.h"
44 #include "llvm/Support/Compiler.h"
45 #include "llvm/Support/CrashRecoveryContext.h"
46 #include "llvm/Support/Format.h"
47 #include "llvm/Support/ManagedStatic.h"
48 #include "llvm/Support/MemoryBuffer.h"
49 #include "llvm/Support/Mutex.h"
50 #include "llvm/Support/Program.h"
51 #include "llvm/Support/SaveAndRestore.h"
52 #include "llvm/Support/Signals.h"
53 #include "llvm/Support/TargetSelect.h"
54 #include "llvm/Support/Threading.h"
55 #include "llvm/Support/Timer.h"
56 #include "llvm/Support/raw_ostream.h"
58 #if LLVM_ENABLE_THREADS != 0 && defined(__APPLE__)
59 #define USE_DARWIN_THREADS
62 #ifdef USE_DARWIN_THREADS
66 using namespace clang;
67 using namespace clang::cxcursor;
68 using namespace clang::cxtu;
69 using namespace clang::cxindex;
71 CXTranslationUnit cxtu::MakeCXTranslationUnit(CIndexer *CIdx, ASTUnit *AU) {
75 CXTranslationUnit D = new CXTranslationUnitImpl();
78 D->StringPool = new cxstring::CXStringPool();
79 D->Diagnostics = nullptr;
80 D->OverridenCursorsPool = createOverridenCXCursorsPool();
81 D->CommentToXML = nullptr;
85 bool cxtu::isASTReadError(ASTUnit *AU) {
86 for (ASTUnit::stored_diag_iterator D = AU->stored_diag_begin(),
87 DEnd = AU->stored_diag_end();
89 if (D->getLevel() >= DiagnosticsEngine::Error &&
90 DiagnosticIDs::getCategoryNumberForDiag(D->getID()) ==
91 diag::DiagCat_AST_Deserialization_Issue)
97 cxtu::CXTUOwner::~CXTUOwner() {
99 clang_disposeTranslationUnit(TU);
102 /// \brief Compare two source ranges to determine their relative position in
103 /// the translation unit.
104 static RangeComparisonResult RangeCompare(SourceManager &SM,
107 assert(R1.isValid() && "First range is invalid?");
108 assert(R2.isValid() && "Second range is invalid?");
109 if (R1.getEnd() != R2.getBegin() &&
110 SM.isBeforeInTranslationUnit(R1.getEnd(), R2.getBegin()))
112 if (R2.getEnd() != R1.getBegin() &&
113 SM.isBeforeInTranslationUnit(R2.getEnd(), R1.getBegin()))
118 /// \brief Determine if a source location falls within, before, or after a
119 /// a given source range.
120 static RangeComparisonResult LocationCompare(SourceManager &SM,
121 SourceLocation L, SourceRange R) {
122 assert(R.isValid() && "First range is invalid?");
123 assert(L.isValid() && "Second range is invalid?");
124 if (L == R.getBegin() || L == R.getEnd())
126 if (SM.isBeforeInTranslationUnit(L, R.getBegin()))
128 if (SM.isBeforeInTranslationUnit(R.getEnd(), L))
133 /// \brief Translate a Clang source range into a CIndex source range.
135 /// Clang internally represents ranges where the end location points to the
136 /// start of the token at the end. However, for external clients it is more
137 /// useful to have a CXSourceRange be a proper half-open interval. This routine
138 /// does the appropriate translation.
139 CXSourceRange cxloc::translateSourceRange(const SourceManager &SM,
140 const LangOptions &LangOpts,
141 const CharSourceRange &R) {
142 // We want the last character in this location, so we will adjust the
143 // location accordingly.
144 SourceLocation EndLoc = R.getEnd();
145 if (EndLoc.isValid() && EndLoc.isMacroID() && !SM.isMacroArgExpansion(EndLoc))
146 EndLoc = SM.getExpansionRange(EndLoc).second;
147 if (R.isTokenRange() && EndLoc.isValid()) {
148 unsigned Length = Lexer::MeasureTokenLength(SM.getSpellingLoc(EndLoc),
150 EndLoc = EndLoc.getLocWithOffset(Length);
153 CXSourceRange Result = {
155 R.getBegin().getRawEncoding(),
156 EndLoc.getRawEncoding()
161 //===----------------------------------------------------------------------===//
163 //===----------------------------------------------------------------------===//
165 static SourceRange getRawCursorExtent(CXCursor C);
166 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr);
169 RangeComparisonResult CursorVisitor::CompareRegionOfInterest(SourceRange R) {
170 return RangeCompare(AU->getSourceManager(), R, RegionOfInterest);
173 /// \brief Visit the given cursor and, if requested by the visitor,
176 /// \param Cursor the cursor to visit.
178 /// \param CheckedRegionOfInterest if true, then the caller already checked
179 /// that this cursor is within the region of interest.
181 /// \returns true if the visitation should be aborted, false if it
183 bool CursorVisitor::Visit(CXCursor Cursor, bool CheckedRegionOfInterest) {
184 if (clang_isInvalid(Cursor.kind))
187 if (clang_isDeclaration(Cursor.kind)) {
188 const Decl *D = getCursorDecl(Cursor);
190 assert(0 && "Invalid declaration cursor");
191 return true; // abort.
194 // Ignore implicit declarations, unless it's an objc method because
195 // currently we should report implicit methods for properties when indexing.
196 if (D->isImplicit() && !isa<ObjCMethodDecl>(D))
200 // If we have a range of interest, and this cursor doesn't intersect with it,
202 if (RegionOfInterest.isValid() && !CheckedRegionOfInterest) {
203 SourceRange Range = getRawCursorExtent(Cursor);
204 if (Range.isInvalid() || CompareRegionOfInterest(Range))
208 switch (Visitor(Cursor, Parent, ClientData)) {
209 case CXChildVisit_Break:
212 case CXChildVisit_Continue:
215 case CXChildVisit_Recurse: {
216 bool ret = VisitChildren(Cursor);
217 if (PostChildrenVisitor)
218 if (PostChildrenVisitor(Cursor, ClientData))
224 llvm_unreachable("Invalid CXChildVisitResult!");
227 static bool visitPreprocessedEntitiesInRange(SourceRange R,
228 PreprocessingRecord &PPRec,
229 CursorVisitor &Visitor) {
230 SourceManager &SM = Visitor.getASTUnit()->getSourceManager();
233 if (!Visitor.shouldVisitIncludedEntities()) {
234 // If the begin/end of the range lie in the same FileID, do the optimization
235 // where we skip preprocessed entities that do not come from the same FileID.
236 FID = SM.getFileID(SM.getFileLoc(R.getBegin()));
237 if (FID != SM.getFileID(SM.getFileLoc(R.getEnd())))
241 const auto &Entities = PPRec.getPreprocessedEntitiesInRange(R);
242 return Visitor.visitPreprocessedEntities(Entities.begin(), Entities.end(),
246 bool CursorVisitor::visitFileRegion() {
247 if (RegionOfInterest.isInvalid())
250 ASTUnit *Unit = cxtu::getASTUnit(TU);
251 SourceManager &SM = Unit->getSourceManager();
253 std::pair<FileID, unsigned>
254 Begin = SM.getDecomposedLoc(SM.getFileLoc(RegionOfInterest.getBegin())),
255 End = SM.getDecomposedLoc(SM.getFileLoc(RegionOfInterest.getEnd()));
257 if (End.first != Begin.first) {
258 // If the end does not reside in the same file, try to recover by
259 // picking the end of the file of begin location.
260 End.first = Begin.first;
261 End.second = SM.getFileIDSize(Begin.first);
264 assert(Begin.first == End.first);
265 if (Begin.second > End.second)
268 FileID File = Begin.first;
269 unsigned Offset = Begin.second;
270 unsigned Length = End.second - Begin.second;
272 if (!VisitDeclsOnly && !VisitPreprocessorLast)
273 if (visitPreprocessedEntitiesInRegion())
274 return true; // visitation break.
276 if (visitDeclsFromFileRegion(File, Offset, Length))
277 return true; // visitation break.
279 if (!VisitDeclsOnly && VisitPreprocessorLast)
280 return visitPreprocessedEntitiesInRegion();
285 static bool isInLexicalContext(Decl *D, DeclContext *DC) {
289 for (DeclContext *DeclDC = D->getLexicalDeclContext();
290 DeclDC; DeclDC = DeclDC->getLexicalParent()) {
297 bool CursorVisitor::visitDeclsFromFileRegion(FileID File,
298 unsigned Offset, unsigned Length) {
299 ASTUnit *Unit = cxtu::getASTUnit(TU);
300 SourceManager &SM = Unit->getSourceManager();
301 SourceRange Range = RegionOfInterest;
303 SmallVector<Decl *, 16> Decls;
304 Unit->findFileRegionDecls(File, Offset, Length, Decls);
306 // If we didn't find any file level decls for the file, try looking at the
307 // file that it was included from.
308 while (Decls.empty() || Decls.front()->isTopLevelDeclInObjCContainer()) {
309 bool Invalid = false;
310 const SrcMgr::SLocEntry &SLEntry = SM.getSLocEntry(File, &Invalid);
314 SourceLocation Outer;
315 if (SLEntry.isFile())
316 Outer = SLEntry.getFile().getIncludeLoc();
318 Outer = SLEntry.getExpansion().getExpansionLocStart();
319 if (Outer.isInvalid())
322 std::tie(File, Offset) = SM.getDecomposedExpansionLoc(Outer);
324 Unit->findFileRegionDecls(File, Offset, Length, Decls);
327 assert(!Decls.empty());
329 bool VisitedAtLeastOnce = false;
330 DeclContext *CurDC = nullptr;
331 SmallVectorImpl<Decl *>::iterator DIt = Decls.begin();
332 for (SmallVectorImpl<Decl *>::iterator DE = Decls.end(); DIt != DE; ++DIt) {
334 if (D->getSourceRange().isInvalid())
337 if (isInLexicalContext(D, CurDC))
340 CurDC = dyn_cast<DeclContext>(D);
342 if (TagDecl *TD = dyn_cast<TagDecl>(D))
343 if (!TD->isFreeStanding())
346 RangeComparisonResult CompRes = RangeCompare(SM, D->getSourceRange(),Range);
347 if (CompRes == RangeBefore)
349 if (CompRes == RangeAfter)
352 assert(CompRes == RangeOverlap);
353 VisitedAtLeastOnce = true;
355 if (isa<ObjCContainerDecl>(D)) {
356 FileDI_current = &DIt;
359 FileDI_current = nullptr;
362 if (Visit(MakeCXCursor(D, TU, Range), /*CheckedRegionOfInterest=*/true))
363 return true; // visitation break.
366 if (VisitedAtLeastOnce)
369 // No Decls overlapped with the range. Move up the lexical context until there
370 // is a context that contains the range or we reach the translation unit
372 DeclContext *DC = DIt == Decls.begin() ? (*DIt)->getLexicalDeclContext()
373 : (*(DIt-1))->getLexicalDeclContext();
375 while (DC && !DC->isTranslationUnit()) {
376 Decl *D = cast<Decl>(DC);
377 SourceRange CurDeclRange = D->getSourceRange();
378 if (CurDeclRange.isInvalid())
381 if (RangeCompare(SM, CurDeclRange, Range) == RangeOverlap) {
382 if (Visit(MakeCXCursor(D, TU, Range), /*CheckedRegionOfInterest=*/true))
383 return true; // visitation break.
386 DC = D->getLexicalDeclContext();
392 bool CursorVisitor::visitPreprocessedEntitiesInRegion() {
393 if (!AU->getPreprocessor().getPreprocessingRecord())
396 PreprocessingRecord &PPRec
397 = *AU->getPreprocessor().getPreprocessingRecord();
398 SourceManager &SM = AU->getSourceManager();
400 if (RegionOfInterest.isValid()) {
401 SourceRange MappedRange = AU->mapRangeToPreamble(RegionOfInterest);
402 SourceLocation B = MappedRange.getBegin();
403 SourceLocation E = MappedRange.getEnd();
405 if (AU->isInPreambleFileID(B)) {
406 if (SM.isLoadedSourceLocation(E))
407 return visitPreprocessedEntitiesInRange(SourceRange(B, E),
410 // Beginning of range lies in the preamble but it also extends beyond
411 // it into the main file. Split the range into 2 parts, one covering
412 // the preamble and another covering the main file. This allows subsequent
413 // calls to visitPreprocessedEntitiesInRange to accept a source range that
414 // lies in the same FileID, allowing it to skip preprocessed entities that
415 // do not come from the same FileID.
417 visitPreprocessedEntitiesInRange(
418 SourceRange(B, AU->getEndOfPreambleFileID()),
420 if (breaked) return true;
421 return visitPreprocessedEntitiesInRange(
422 SourceRange(AU->getStartOfMainFileID(), E),
426 return visitPreprocessedEntitiesInRange(SourceRange(B, E), PPRec, *this);
430 = !AU->isMainFileAST() && AU->getOnlyLocalDecls();
433 return visitPreprocessedEntities(PPRec.local_begin(), PPRec.local_end(),
436 return visitPreprocessedEntities(PPRec.begin(), PPRec.end(), PPRec);
439 template<typename InputIterator>
440 bool CursorVisitor::visitPreprocessedEntities(InputIterator First,
442 PreprocessingRecord &PPRec,
444 for (; First != Last; ++First) {
445 if (!FID.isInvalid() && !PPRec.isEntityInFileID(First, FID))
448 PreprocessedEntity *PPE = *First;
452 if (MacroExpansion *ME = dyn_cast<MacroExpansion>(PPE)) {
453 if (Visit(MakeMacroExpansionCursor(ME, TU)))
459 if (MacroDefinitionRecord *MD = dyn_cast<MacroDefinitionRecord>(PPE)) {
460 if (Visit(MakeMacroDefinitionCursor(MD, TU)))
466 if (InclusionDirective *ID = dyn_cast<InclusionDirective>(PPE)) {
467 if (Visit(MakeInclusionDirectiveCursor(ID, TU)))
477 /// \brief Visit the children of the given cursor.
479 /// \returns true if the visitation should be aborted, false if it
481 bool CursorVisitor::VisitChildren(CXCursor Cursor) {
482 if (clang_isReference(Cursor.kind) &&
483 Cursor.kind != CXCursor_CXXBaseSpecifier) {
484 // By definition, references have no children.
488 // Set the Parent field to Cursor, then back to its old value once we're
490 SetParentRAII SetParent(Parent, StmtParent, Cursor);
492 if (clang_isDeclaration(Cursor.kind)) {
493 Decl *D = const_cast<Decl *>(getCursorDecl(Cursor));
497 return VisitAttributes(D) || Visit(D);
500 if (clang_isStatement(Cursor.kind)) {
501 if (const Stmt *S = getCursorStmt(Cursor))
507 if (clang_isExpression(Cursor.kind)) {
508 if (const Expr *E = getCursorExpr(Cursor))
514 if (clang_isTranslationUnit(Cursor.kind)) {
515 CXTranslationUnit TU = getCursorTU(Cursor);
516 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
518 int VisitOrder[2] = { VisitPreprocessorLast, !VisitPreprocessorLast };
519 for (unsigned I = 0; I != 2; ++I) {
521 if (!CXXUnit->isMainFileAST() && CXXUnit->getOnlyLocalDecls() &&
522 RegionOfInterest.isInvalid()) {
523 for (ASTUnit::top_level_iterator TL = CXXUnit->top_level_begin(),
524 TLEnd = CXXUnit->top_level_end();
526 if (Visit(MakeCXCursor(*TL, TU, RegionOfInterest), true))
529 } else if (VisitDeclContext(
530 CXXUnit->getASTContext().getTranslationUnitDecl()))
535 // Walk the preprocessing record.
536 if (CXXUnit->getPreprocessor().getPreprocessingRecord())
537 visitPreprocessedEntitiesInRegion();
543 if (Cursor.kind == CXCursor_CXXBaseSpecifier) {
544 if (const CXXBaseSpecifier *Base = getCursorCXXBaseSpecifier(Cursor)) {
545 if (TypeSourceInfo *BaseTSInfo = Base->getTypeSourceInfo()) {
546 return Visit(BaseTSInfo->getTypeLoc());
551 if (Cursor.kind == CXCursor_IBOutletCollectionAttr) {
552 const IBOutletCollectionAttr *A =
553 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(Cursor));
554 if (const ObjCObjectType *ObjT = A->getInterface()->getAs<ObjCObjectType>())
555 return Visit(cxcursor::MakeCursorObjCClassRef(
556 ObjT->getInterface(),
557 A->getInterfaceLoc()->getTypeLoc().getLocStart(), TU));
560 // If pointing inside a macro definition, check if the token is an identifier
561 // that was ever defined as a macro. In such a case, create a "pseudo" macro
562 // expansion cursor for that token.
563 SourceLocation BeginLoc = RegionOfInterest.getBegin();
564 if (Cursor.kind == CXCursor_MacroDefinition &&
565 BeginLoc == RegionOfInterest.getEnd()) {
566 SourceLocation Loc = AU->mapLocationToPreamble(BeginLoc);
567 const MacroInfo *MI =
568 getMacroInfo(cxcursor::getCursorMacroDefinition(Cursor), TU);
569 if (MacroDefinitionRecord *MacroDef =
570 checkForMacroInMacroDefinition(MI, Loc, TU))
571 return Visit(cxcursor::MakeMacroExpansionCursor(MacroDef, BeginLoc, TU));
574 // Nothing to visit at the moment.
578 bool CursorVisitor::VisitBlockDecl(BlockDecl *B) {
579 if (TypeSourceInfo *TSInfo = B->getSignatureAsWritten())
580 if (Visit(TSInfo->getTypeLoc()))
583 if (Stmt *Body = B->getBody())
584 return Visit(MakeCXCursor(Body, StmtParent, TU, RegionOfInterest));
589 Optional<bool> CursorVisitor::shouldVisitCursor(CXCursor Cursor) {
590 if (RegionOfInterest.isValid()) {
591 SourceRange Range = getFullCursorExtent(Cursor, AU->getSourceManager());
592 if (Range.isInvalid())
595 switch (CompareRegionOfInterest(Range)) {
597 // This declaration comes before the region of interest; skip it.
601 // This declaration comes after the region of interest; we're done.
605 // This declaration overlaps the region of interest; visit it.
612 bool CursorVisitor::VisitDeclContext(DeclContext *DC) {
613 DeclContext::decl_iterator I = DC->decls_begin(), E = DC->decls_end();
615 // FIXME: Eventually remove. This part of a hack to support proper
616 // iteration over all Decls contained lexically within an ObjC container.
617 SaveAndRestore<DeclContext::decl_iterator*> DI_saved(DI_current, &I);
618 SaveAndRestore<DeclContext::decl_iterator> DE_saved(DE_current, E);
620 for ( ; I != E; ++I) {
622 if (D->getLexicalDeclContext() != DC)
624 CXCursor Cursor = MakeCXCursor(D, TU, RegionOfInterest);
626 // Ignore synthesized ivars here, otherwise if we have something like:
627 // @synthesize prop = _prop;
628 // and '_prop' is not declared, we will encounter a '_prop' ivar before
629 // encountering the 'prop' synthesize declaration and we will think that
630 // we passed the region-of-interest.
631 if (ObjCIvarDecl *ivarD = dyn_cast<ObjCIvarDecl>(D)) {
632 if (ivarD->getSynthesize())
636 // FIXME: ObjCClassRef/ObjCProtocolRef for forward class/protocol
637 // declarations is a mismatch with the compiler semantics.
638 if (Cursor.kind == CXCursor_ObjCInterfaceDecl) {
639 ObjCInterfaceDecl *ID = cast<ObjCInterfaceDecl>(D);
640 if (!ID->isThisDeclarationADefinition())
641 Cursor = MakeCursorObjCClassRef(ID, ID->getLocation(), TU);
643 } else if (Cursor.kind == CXCursor_ObjCProtocolDecl) {
644 ObjCProtocolDecl *PD = cast<ObjCProtocolDecl>(D);
645 if (!PD->isThisDeclarationADefinition())
646 Cursor = MakeCursorObjCProtocolRef(PD, PD->getLocation(), TU);
649 const Optional<bool> &V = shouldVisitCursor(Cursor);
654 if (Visit(Cursor, true))
660 bool CursorVisitor::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
661 llvm_unreachable("Translation units are visited directly by Visit()");
664 bool CursorVisitor::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) {
665 if (VisitTemplateParameters(D->getTemplateParameters()))
668 return Visit(MakeCXCursor(D->getTemplatedDecl(), TU, RegionOfInterest));
671 bool CursorVisitor::VisitTypeAliasDecl(TypeAliasDecl *D) {
672 if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
673 return Visit(TSInfo->getTypeLoc());
678 bool CursorVisitor::VisitTypedefDecl(TypedefDecl *D) {
679 if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
680 return Visit(TSInfo->getTypeLoc());
685 bool CursorVisitor::VisitTagDecl(TagDecl *D) {
686 return VisitDeclContext(D);
689 bool CursorVisitor::VisitClassTemplateSpecializationDecl(
690 ClassTemplateSpecializationDecl *D) {
691 bool ShouldVisitBody = false;
692 switch (D->getSpecializationKind()) {
694 case TSK_ImplicitInstantiation:
698 case TSK_ExplicitInstantiationDeclaration:
699 case TSK_ExplicitInstantiationDefinition:
702 case TSK_ExplicitSpecialization:
703 ShouldVisitBody = true;
707 // Visit the template arguments used in the specialization.
708 if (TypeSourceInfo *SpecType = D->getTypeAsWritten()) {
709 TypeLoc TL = SpecType->getTypeLoc();
710 if (TemplateSpecializationTypeLoc TSTLoc =
711 TL.getAs<TemplateSpecializationTypeLoc>()) {
712 for (unsigned I = 0, N = TSTLoc.getNumArgs(); I != N; ++I)
713 if (VisitTemplateArgumentLoc(TSTLoc.getArgLoc(I)))
718 return ShouldVisitBody && VisitCXXRecordDecl(D);
721 bool CursorVisitor::VisitClassTemplatePartialSpecializationDecl(
722 ClassTemplatePartialSpecializationDecl *D) {
723 // FIXME: Visit the "outer" template parameter lists on the TagDecl
724 // before visiting these template parameters.
725 if (VisitTemplateParameters(D->getTemplateParameters()))
728 // Visit the partial specialization arguments.
729 const ASTTemplateArgumentListInfo *Info = D->getTemplateArgsAsWritten();
730 const TemplateArgumentLoc *TemplateArgs = Info->getTemplateArgs();
731 for (unsigned I = 0, N = Info->NumTemplateArgs; I != N; ++I)
732 if (VisitTemplateArgumentLoc(TemplateArgs[I]))
735 return VisitCXXRecordDecl(D);
738 bool CursorVisitor::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
739 // Visit the default argument.
740 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
741 if (TypeSourceInfo *DefArg = D->getDefaultArgumentInfo())
742 if (Visit(DefArg->getTypeLoc()))
748 bool CursorVisitor::VisitEnumConstantDecl(EnumConstantDecl *D) {
749 if (Expr *Init = D->getInitExpr())
750 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
754 bool CursorVisitor::VisitDeclaratorDecl(DeclaratorDecl *DD) {
755 unsigned NumParamList = DD->getNumTemplateParameterLists();
756 for (unsigned i = 0; i < NumParamList; i++) {
757 TemplateParameterList* Params = DD->getTemplateParameterList(i);
758 if (VisitTemplateParameters(Params))
762 if (TypeSourceInfo *TSInfo = DD->getTypeSourceInfo())
763 if (Visit(TSInfo->getTypeLoc()))
766 // Visit the nested-name-specifier, if present.
767 if (NestedNameSpecifierLoc QualifierLoc = DD->getQualifierLoc())
768 if (VisitNestedNameSpecifierLoc(QualifierLoc))
774 /// \brief Compare two base or member initializers based on their source order.
775 static int CompareCXXCtorInitializers(CXXCtorInitializer *const *X,
776 CXXCtorInitializer *const *Y) {
777 return (*X)->getSourceOrder() - (*Y)->getSourceOrder();
780 bool CursorVisitor::VisitFunctionDecl(FunctionDecl *ND) {
781 unsigned NumParamList = ND->getNumTemplateParameterLists();
782 for (unsigned i = 0; i < NumParamList; i++) {
783 TemplateParameterList* Params = ND->getTemplateParameterList(i);
784 if (VisitTemplateParameters(Params))
788 if (TypeSourceInfo *TSInfo = ND->getTypeSourceInfo()) {
789 // Visit the function declaration's syntactic components in the order
790 // written. This requires a bit of work.
791 TypeLoc TL = TSInfo->getTypeLoc().IgnoreParens();
792 FunctionTypeLoc FTL = TL.getAs<FunctionTypeLoc>();
794 // If we have a function declared directly (without the use of a typedef),
795 // visit just the return type. Otherwise, just visit the function's type
797 if ((FTL && !isa<CXXConversionDecl>(ND) && Visit(FTL.getReturnLoc())) ||
801 // Visit the nested-name-specifier, if present.
802 if (NestedNameSpecifierLoc QualifierLoc = ND->getQualifierLoc())
803 if (VisitNestedNameSpecifierLoc(QualifierLoc))
806 // Visit the declaration name.
807 if (!isa<CXXDestructorDecl>(ND))
808 if (VisitDeclarationNameInfo(ND->getNameInfo()))
811 // FIXME: Visit explicitly-specified template arguments!
813 // Visit the function parameters, if we have a function type.
814 if (FTL && VisitFunctionTypeLoc(FTL, true))
817 // FIXME: Attributes?
820 if (ND->doesThisDeclarationHaveABody() && !ND->isLateTemplateParsed()) {
821 if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(ND)) {
822 // Find the initializers that were written in the source.
823 SmallVector<CXXCtorInitializer *, 4> WrittenInits;
824 for (auto *I : Constructor->inits()) {
828 WrittenInits.push_back(I);
831 // Sort the initializers in source order
832 llvm::array_pod_sort(WrittenInits.begin(), WrittenInits.end(),
833 &CompareCXXCtorInitializers);
835 // Visit the initializers in source order
836 for (unsigned I = 0, N = WrittenInits.size(); I != N; ++I) {
837 CXXCtorInitializer *Init = WrittenInits[I];
838 if (Init->isAnyMemberInitializer()) {
839 if (Visit(MakeCursorMemberRef(Init->getAnyMember(),
840 Init->getMemberLocation(), TU)))
842 } else if (TypeSourceInfo *TInfo = Init->getTypeSourceInfo()) {
843 if (Visit(TInfo->getTypeLoc()))
847 // Visit the initializer value.
848 if (Expr *Initializer = Init->getInit())
849 if (Visit(MakeCXCursor(Initializer, ND, TU, RegionOfInterest)))
854 if (Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest)))
861 bool CursorVisitor::VisitFieldDecl(FieldDecl *D) {
862 if (VisitDeclaratorDecl(D))
865 if (Expr *BitWidth = D->getBitWidth())
866 return Visit(MakeCXCursor(BitWidth, StmtParent, TU, RegionOfInterest));
871 bool CursorVisitor::VisitVarDecl(VarDecl *D) {
872 if (VisitDeclaratorDecl(D))
875 if (Expr *Init = D->getInit())
876 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
881 bool CursorVisitor::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
882 if (VisitDeclaratorDecl(D))
885 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
886 if (Expr *DefArg = D->getDefaultArgument())
887 return Visit(MakeCXCursor(DefArg, StmtParent, TU, RegionOfInterest));
892 bool CursorVisitor::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
893 // FIXME: Visit the "outer" template parameter lists on the FunctionDecl
894 // before visiting these template parameters.
895 if (VisitTemplateParameters(D->getTemplateParameters()))
898 return VisitFunctionDecl(D->getTemplatedDecl());
901 bool CursorVisitor::VisitClassTemplateDecl(ClassTemplateDecl *D) {
902 // FIXME: Visit the "outer" template parameter lists on the TagDecl
903 // before visiting these template parameters.
904 if (VisitTemplateParameters(D->getTemplateParameters()))
907 return VisitCXXRecordDecl(D->getTemplatedDecl());
910 bool CursorVisitor::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
911 if (VisitTemplateParameters(D->getTemplateParameters()))
914 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited() &&
915 VisitTemplateArgumentLoc(D->getDefaultArgument()))
921 bool CursorVisitor::VisitObjCTypeParamDecl(ObjCTypeParamDecl *D) {
922 // Visit the bound, if it's explicit.
923 if (D->hasExplicitBound()) {
924 if (auto TInfo = D->getTypeSourceInfo()) {
925 if (Visit(TInfo->getTypeLoc()))
933 bool CursorVisitor::VisitObjCMethodDecl(ObjCMethodDecl *ND) {
934 if (TypeSourceInfo *TSInfo = ND->getReturnTypeSourceInfo())
935 if (Visit(TSInfo->getTypeLoc()))
938 for (const auto *P : ND->params()) {
939 if (Visit(MakeCXCursor(P, TU, RegionOfInterest)))
943 return ND->isThisDeclarationADefinition() &&
944 Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest));
947 template <typename DeclIt>
948 static void addRangedDeclsInContainer(DeclIt *DI_current, DeclIt DE_current,
949 SourceManager &SM, SourceLocation EndLoc,
950 SmallVectorImpl<Decl *> &Decls) {
951 DeclIt next = *DI_current;
952 while (++next != DE_current) {
953 Decl *D_next = *next;
956 SourceLocation L = D_next->getLocStart();
959 if (SM.isBeforeInTranslationUnit(L, EndLoc)) {
961 Decls.push_back(D_next);
968 bool CursorVisitor::VisitObjCContainerDecl(ObjCContainerDecl *D) {
969 // FIXME: Eventually convert back to just 'VisitDeclContext()'. Essentially
970 // an @implementation can lexically contain Decls that are not properly
971 // nested in the AST. When we identify such cases, we need to retrofit
972 // this nesting here.
973 if (!DI_current && !FileDI_current)
974 return VisitDeclContext(D);
976 // Scan the Decls that immediately come after the container
977 // in the current DeclContext. If any fall within the
978 // container's lexical region, stash them into a vector
979 // for later processing.
980 SmallVector<Decl *, 24> DeclsInContainer;
981 SourceLocation EndLoc = D->getSourceRange().getEnd();
982 SourceManager &SM = AU->getSourceManager();
983 if (EndLoc.isValid()) {
985 addRangedDeclsInContainer(DI_current, DE_current, SM, EndLoc,
988 addRangedDeclsInContainer(FileDI_current, FileDE_current, SM, EndLoc,
994 if (DeclsInContainer.empty())
995 return VisitDeclContext(D);
997 // Get all the Decls in the DeclContext, and sort them with the
998 // additional ones we've collected. Then visit them.
999 for (auto *SubDecl : D->decls()) {
1000 if (!SubDecl || SubDecl->getLexicalDeclContext() != D ||
1001 SubDecl->getLocStart().isInvalid())
1003 DeclsInContainer.push_back(SubDecl);
1006 // Now sort the Decls so that they appear in lexical order.
1007 std::sort(DeclsInContainer.begin(), DeclsInContainer.end(),
1008 [&SM](Decl *A, Decl *B) {
1009 SourceLocation L_A = A->getLocStart();
1010 SourceLocation L_B = B->getLocStart();
1011 assert(L_A.isValid() && L_B.isValid());
1012 return SM.isBeforeInTranslationUnit(L_A, L_B);
1015 // Now visit the decls.
1016 for (SmallVectorImpl<Decl*>::iterator I = DeclsInContainer.begin(),
1017 E = DeclsInContainer.end(); I != E; ++I) {
1018 CXCursor Cursor = MakeCXCursor(*I, TU, RegionOfInterest);
1019 const Optional<bool> &V = shouldVisitCursor(Cursor);
1024 if (Visit(Cursor, true))
1030 bool CursorVisitor::VisitObjCCategoryDecl(ObjCCategoryDecl *ND) {
1031 if (Visit(MakeCursorObjCClassRef(ND->getClassInterface(), ND->getLocation(),
1035 if (VisitObjCTypeParamList(ND->getTypeParamList()))
1038 ObjCCategoryDecl::protocol_loc_iterator PL = ND->protocol_loc_begin();
1039 for (ObjCCategoryDecl::protocol_iterator I = ND->protocol_begin(),
1040 E = ND->protocol_end(); I != E; ++I, ++PL)
1041 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1044 return VisitObjCContainerDecl(ND);
1047 bool CursorVisitor::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
1048 if (!PID->isThisDeclarationADefinition())
1049 return Visit(MakeCursorObjCProtocolRef(PID, PID->getLocation(), TU));
1051 ObjCProtocolDecl::protocol_loc_iterator PL = PID->protocol_loc_begin();
1052 for (ObjCProtocolDecl::protocol_iterator I = PID->protocol_begin(),
1053 E = PID->protocol_end(); I != E; ++I, ++PL)
1054 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1057 return VisitObjCContainerDecl(PID);
1060 bool CursorVisitor::VisitObjCPropertyDecl(ObjCPropertyDecl *PD) {
1061 if (PD->getTypeSourceInfo() && Visit(PD->getTypeSourceInfo()->getTypeLoc()))
1064 // FIXME: This implements a workaround with @property declarations also being
1065 // installed in the DeclContext for the @interface. Eventually this code
1066 // should be removed.
1067 ObjCCategoryDecl *CDecl = dyn_cast<ObjCCategoryDecl>(PD->getDeclContext());
1068 if (!CDecl || !CDecl->IsClassExtension())
1071 ObjCInterfaceDecl *ID = CDecl->getClassInterface();
1075 IdentifierInfo *PropertyId = PD->getIdentifier();
1076 ObjCPropertyDecl *prevDecl =
1077 ObjCPropertyDecl::findPropertyDecl(cast<DeclContext>(ID), PropertyId,
1078 PD->getQueryKind());
1083 // Visit synthesized methods since they will be skipped when visiting
1085 if (ObjCMethodDecl *MD = prevDecl->getGetterMethodDecl())
1086 if (MD->isPropertyAccessor() && MD->getLexicalDeclContext() == CDecl)
1087 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
1090 if (ObjCMethodDecl *MD = prevDecl->getSetterMethodDecl())
1091 if (MD->isPropertyAccessor() && MD->getLexicalDeclContext() == CDecl)
1092 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
1098 bool CursorVisitor::VisitObjCTypeParamList(ObjCTypeParamList *typeParamList) {
1102 for (auto *typeParam : *typeParamList) {
1103 // Visit the type parameter.
1104 if (Visit(MakeCXCursor(typeParam, TU, RegionOfInterest)))
1111 bool CursorVisitor::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) {
1112 if (!D->isThisDeclarationADefinition()) {
1113 // Forward declaration is treated like a reference.
1114 return Visit(MakeCursorObjCClassRef(D, D->getLocation(), TU));
1117 // Objective-C type parameters.
1118 if (VisitObjCTypeParamList(D->getTypeParamListAsWritten()))
1121 // Issue callbacks for super class.
1122 if (D->getSuperClass() &&
1123 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1124 D->getSuperClassLoc(),
1128 if (TypeSourceInfo *SuperClassTInfo = D->getSuperClassTInfo())
1129 if (Visit(SuperClassTInfo->getTypeLoc()))
1132 ObjCInterfaceDecl::protocol_loc_iterator PL = D->protocol_loc_begin();
1133 for (ObjCInterfaceDecl::protocol_iterator I = D->protocol_begin(),
1134 E = D->protocol_end(); I != E; ++I, ++PL)
1135 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1138 return VisitObjCContainerDecl(D);
1141 bool CursorVisitor::VisitObjCImplDecl(ObjCImplDecl *D) {
1142 return VisitObjCContainerDecl(D);
1145 bool CursorVisitor::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
1146 // 'ID' could be null when dealing with invalid code.
1147 if (ObjCInterfaceDecl *ID = D->getClassInterface())
1148 if (Visit(MakeCursorObjCClassRef(ID, D->getLocation(), TU)))
1151 return VisitObjCImplDecl(D);
1154 bool CursorVisitor::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
1156 // Issue callbacks for super class.
1157 // FIXME: No source location information!
1158 if (D->getSuperClass() &&
1159 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1160 D->getSuperClassLoc(),
1165 return VisitObjCImplDecl(D);
1168 bool CursorVisitor::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PD) {
1169 if (ObjCIvarDecl *Ivar = PD->getPropertyIvarDecl())
1170 if (PD->isIvarNameSpecified())
1171 return Visit(MakeCursorMemberRef(Ivar, PD->getPropertyIvarDeclLoc(), TU));
1176 bool CursorVisitor::VisitNamespaceDecl(NamespaceDecl *D) {
1177 return VisitDeclContext(D);
1180 bool CursorVisitor::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
1181 // Visit nested-name-specifier.
1182 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1183 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1186 return Visit(MakeCursorNamespaceRef(D->getAliasedNamespace(),
1187 D->getTargetNameLoc(), TU));
1190 bool CursorVisitor::VisitUsingDecl(UsingDecl *D) {
1191 // Visit nested-name-specifier.
1192 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1193 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1197 if (Visit(MakeCursorOverloadedDeclRef(D, D->getLocation(), TU)))
1200 return VisitDeclarationNameInfo(D->getNameInfo());
1203 bool CursorVisitor::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
1204 // Visit nested-name-specifier.
1205 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1206 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1209 return Visit(MakeCursorNamespaceRef(D->getNominatedNamespaceAsWritten(),
1210 D->getIdentLocation(), TU));
1213 bool CursorVisitor::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
1214 // Visit nested-name-specifier.
1215 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1216 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1220 return VisitDeclarationNameInfo(D->getNameInfo());
1223 bool CursorVisitor::VisitUnresolvedUsingTypenameDecl(
1224 UnresolvedUsingTypenameDecl *D) {
1225 // Visit nested-name-specifier.
1226 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1227 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1233 bool CursorVisitor::VisitDeclarationNameInfo(DeclarationNameInfo Name) {
1234 switch (Name.getName().getNameKind()) {
1235 case clang::DeclarationName::Identifier:
1236 case clang::DeclarationName::CXXLiteralOperatorName:
1237 case clang::DeclarationName::CXXOperatorName:
1238 case clang::DeclarationName::CXXUsingDirective:
1241 case clang::DeclarationName::CXXConstructorName:
1242 case clang::DeclarationName::CXXDestructorName:
1243 case clang::DeclarationName::CXXConversionFunctionName:
1244 if (TypeSourceInfo *TSInfo = Name.getNamedTypeInfo())
1245 return Visit(TSInfo->getTypeLoc());
1248 case clang::DeclarationName::ObjCZeroArgSelector:
1249 case clang::DeclarationName::ObjCOneArgSelector:
1250 case clang::DeclarationName::ObjCMultiArgSelector:
1251 // FIXME: Per-identifier location info?
1255 llvm_unreachable("Invalid DeclarationName::Kind!");
1258 bool CursorVisitor::VisitNestedNameSpecifier(NestedNameSpecifier *NNS,
1259 SourceRange Range) {
1260 // FIXME: This whole routine is a hack to work around the lack of proper
1261 // source information in nested-name-specifiers (PR5791). Since we do have
1262 // a beginning source location, we can visit the first component of the
1263 // nested-name-specifier, if it's a single-token component.
1267 // Get the first component in the nested-name-specifier.
1268 while (NestedNameSpecifier *Prefix = NNS->getPrefix())
1271 switch (NNS->getKind()) {
1272 case NestedNameSpecifier::Namespace:
1273 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(), Range.getBegin(),
1276 case NestedNameSpecifier::NamespaceAlias:
1277 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1278 Range.getBegin(), TU));
1280 case NestedNameSpecifier::TypeSpec: {
1281 // If the type has a form where we know that the beginning of the source
1282 // range matches up with a reference cursor. Visit the appropriate reference
1284 const Type *T = NNS->getAsType();
1285 if (const TypedefType *Typedef = dyn_cast<TypedefType>(T))
1286 return Visit(MakeCursorTypeRef(Typedef->getDecl(), Range.getBegin(), TU));
1287 if (const TagType *Tag = dyn_cast<TagType>(T))
1288 return Visit(MakeCursorTypeRef(Tag->getDecl(), Range.getBegin(), TU));
1289 if (const TemplateSpecializationType *TST
1290 = dyn_cast<TemplateSpecializationType>(T))
1291 return VisitTemplateName(TST->getTemplateName(), Range.getBegin());
1295 case NestedNameSpecifier::TypeSpecWithTemplate:
1296 case NestedNameSpecifier::Global:
1297 case NestedNameSpecifier::Identifier:
1298 case NestedNameSpecifier::Super:
1306 CursorVisitor::VisitNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1307 SmallVector<NestedNameSpecifierLoc, 4> Qualifiers;
1308 for (; Qualifier; Qualifier = Qualifier.getPrefix())
1309 Qualifiers.push_back(Qualifier);
1311 while (!Qualifiers.empty()) {
1312 NestedNameSpecifierLoc Q = Qualifiers.pop_back_val();
1313 NestedNameSpecifier *NNS = Q.getNestedNameSpecifier();
1314 switch (NNS->getKind()) {
1315 case NestedNameSpecifier::Namespace:
1316 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(),
1317 Q.getLocalBeginLoc(),
1323 case NestedNameSpecifier::NamespaceAlias:
1324 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1325 Q.getLocalBeginLoc(),
1331 case NestedNameSpecifier::TypeSpec:
1332 case NestedNameSpecifier::TypeSpecWithTemplate:
1333 if (Visit(Q.getTypeLoc()))
1338 case NestedNameSpecifier::Global:
1339 case NestedNameSpecifier::Identifier:
1340 case NestedNameSpecifier::Super:
1348 bool CursorVisitor::VisitTemplateParameters(
1349 const TemplateParameterList *Params) {
1353 for (TemplateParameterList::const_iterator P = Params->begin(),
1354 PEnd = Params->end();
1356 if (Visit(MakeCXCursor(*P, TU, RegionOfInterest)))
1363 bool CursorVisitor::VisitTemplateName(TemplateName Name, SourceLocation Loc) {
1364 switch (Name.getKind()) {
1365 case TemplateName::Template:
1366 return Visit(MakeCursorTemplateRef(Name.getAsTemplateDecl(), Loc, TU));
1368 case TemplateName::OverloadedTemplate:
1369 // Visit the overloaded template set.
1370 if (Visit(MakeCursorOverloadedDeclRef(Name, Loc, TU)))
1375 case TemplateName::DependentTemplate:
1376 // FIXME: Visit nested-name-specifier.
1379 case TemplateName::QualifiedTemplate:
1380 // FIXME: Visit nested-name-specifier.
1381 return Visit(MakeCursorTemplateRef(
1382 Name.getAsQualifiedTemplateName()->getDecl(),
1385 case TemplateName::SubstTemplateTemplateParm:
1386 return Visit(MakeCursorTemplateRef(
1387 Name.getAsSubstTemplateTemplateParm()->getParameter(),
1390 case TemplateName::SubstTemplateTemplateParmPack:
1391 return Visit(MakeCursorTemplateRef(
1392 Name.getAsSubstTemplateTemplateParmPack()->getParameterPack(),
1396 llvm_unreachable("Invalid TemplateName::Kind!");
1399 bool CursorVisitor::VisitTemplateArgumentLoc(const TemplateArgumentLoc &TAL) {
1400 switch (TAL.getArgument().getKind()) {
1401 case TemplateArgument::Null:
1402 case TemplateArgument::Integral:
1403 case TemplateArgument::Pack:
1406 case TemplateArgument::Type:
1407 if (TypeSourceInfo *TSInfo = TAL.getTypeSourceInfo())
1408 return Visit(TSInfo->getTypeLoc());
1411 case TemplateArgument::Declaration:
1412 if (Expr *E = TAL.getSourceDeclExpression())
1413 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1416 case TemplateArgument::NullPtr:
1417 if (Expr *E = TAL.getSourceNullPtrExpression())
1418 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1421 case TemplateArgument::Expression:
1422 if (Expr *E = TAL.getSourceExpression())
1423 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1426 case TemplateArgument::Template:
1427 case TemplateArgument::TemplateExpansion:
1428 if (VisitNestedNameSpecifierLoc(TAL.getTemplateQualifierLoc()))
1431 return VisitTemplateName(TAL.getArgument().getAsTemplateOrTemplatePattern(),
1432 TAL.getTemplateNameLoc());
1435 llvm_unreachable("Invalid TemplateArgument::Kind!");
1438 bool CursorVisitor::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
1439 return VisitDeclContext(D);
1442 bool CursorVisitor::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) {
1443 return Visit(TL.getUnqualifiedLoc());
1446 bool CursorVisitor::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) {
1447 ASTContext &Context = AU->getASTContext();
1449 // Some builtin types (such as Objective-C's "id", "sel", and
1450 // "Class") have associated declarations. Create cursors for those.
1452 switch (TL.getTypePtr()->getKind()) {
1454 case BuiltinType::Void:
1455 case BuiltinType::NullPtr:
1456 case BuiltinType::Dependent:
1457 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
1458 case BuiltinType::Id:
1459 #include "clang/Basic/OpenCLImageTypes.def"
1460 case BuiltinType::OCLSampler:
1461 case BuiltinType::OCLEvent:
1462 case BuiltinType::OCLClkEvent:
1463 case BuiltinType::OCLQueue:
1464 case BuiltinType::OCLNDRange:
1465 case BuiltinType::OCLReserveID:
1466 #define BUILTIN_TYPE(Id, SingletonId)
1467 #define SIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1468 #define UNSIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1469 #define FLOATING_TYPE(Id, SingletonId) case BuiltinType::Id:
1470 #define PLACEHOLDER_TYPE(Id, SingletonId) case BuiltinType::Id:
1471 #include "clang/AST/BuiltinTypes.def"
1474 case BuiltinType::ObjCId:
1475 VisitType = Context.getObjCIdType();
1478 case BuiltinType::ObjCClass:
1479 VisitType = Context.getObjCClassType();
1482 case BuiltinType::ObjCSel:
1483 VisitType = Context.getObjCSelType();
1487 if (!VisitType.isNull()) {
1488 if (const TypedefType *Typedef = VisitType->getAs<TypedefType>())
1489 return Visit(MakeCursorTypeRef(Typedef->getDecl(), TL.getBuiltinLoc(),
1496 bool CursorVisitor::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
1497 return Visit(MakeCursorTypeRef(TL.getTypedefNameDecl(), TL.getNameLoc(), TU));
1500 bool CursorVisitor::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
1501 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1504 bool CursorVisitor::VisitTagTypeLoc(TagTypeLoc TL) {
1505 if (TL.isDefinition())
1506 return Visit(MakeCXCursor(TL.getDecl(), TU, RegionOfInterest));
1508 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1511 bool CursorVisitor::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
1512 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1515 bool CursorVisitor::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
1516 return Visit(MakeCursorObjCClassRef(TL.getIFaceDecl(), TL.getNameLoc(), TU));
1519 bool CursorVisitor::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
1520 if (TL.hasBaseTypeAsWritten() && Visit(TL.getBaseLoc()))
1523 for (unsigned I = 0, N = TL.getNumTypeArgs(); I != N; ++I) {
1524 if (Visit(TL.getTypeArgTInfo(I)->getTypeLoc()))
1528 for (unsigned I = 0, N = TL.getNumProtocols(); I != N; ++I) {
1529 if (Visit(MakeCursorObjCProtocolRef(TL.getProtocol(I), TL.getProtocolLoc(I),
1537 bool CursorVisitor::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
1538 return Visit(TL.getPointeeLoc());
1541 bool CursorVisitor::VisitParenTypeLoc(ParenTypeLoc TL) {
1542 return Visit(TL.getInnerLoc());
1545 bool CursorVisitor::VisitPointerTypeLoc(PointerTypeLoc TL) {
1546 return Visit(TL.getPointeeLoc());
1549 bool CursorVisitor::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
1550 return Visit(TL.getPointeeLoc());
1553 bool CursorVisitor::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
1554 return Visit(TL.getPointeeLoc());
1557 bool CursorVisitor::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
1558 return Visit(TL.getPointeeLoc());
1561 bool CursorVisitor::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
1562 return Visit(TL.getPointeeLoc());
1565 bool CursorVisitor::VisitAttributedTypeLoc(AttributedTypeLoc TL) {
1566 return Visit(TL.getModifiedLoc());
1569 bool CursorVisitor::VisitFunctionTypeLoc(FunctionTypeLoc TL,
1570 bool SkipResultType) {
1571 if (!SkipResultType && Visit(TL.getReturnLoc()))
1574 for (unsigned I = 0, N = TL.getNumParams(); I != N; ++I)
1575 if (Decl *D = TL.getParam(I))
1576 if (Visit(MakeCXCursor(D, TU, RegionOfInterest)))
1582 bool CursorVisitor::VisitArrayTypeLoc(ArrayTypeLoc TL) {
1583 if (Visit(TL.getElementLoc()))
1586 if (Expr *Size = TL.getSizeExpr())
1587 return Visit(MakeCXCursor(Size, StmtParent, TU, RegionOfInterest));
1592 bool CursorVisitor::VisitDecayedTypeLoc(DecayedTypeLoc TL) {
1593 return Visit(TL.getOriginalLoc());
1596 bool CursorVisitor::VisitAdjustedTypeLoc(AdjustedTypeLoc TL) {
1597 return Visit(TL.getOriginalLoc());
1600 bool CursorVisitor::VisitTemplateSpecializationTypeLoc(
1601 TemplateSpecializationTypeLoc TL) {
1602 // Visit the template name.
1603 if (VisitTemplateName(TL.getTypePtr()->getTemplateName(),
1604 TL.getTemplateNameLoc()))
1607 // Visit the template arguments.
1608 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1609 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1615 bool CursorVisitor::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
1616 return Visit(MakeCXCursor(TL.getUnderlyingExpr(), StmtParent, TU));
1619 bool CursorVisitor::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
1620 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1621 return Visit(TSInfo->getTypeLoc());
1626 bool CursorVisitor::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) {
1627 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1628 return Visit(TSInfo->getTypeLoc());
1633 bool CursorVisitor::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) {
1634 return VisitNestedNameSpecifierLoc(TL.getQualifierLoc());
1637 bool CursorVisitor::VisitDependentTemplateSpecializationTypeLoc(
1638 DependentTemplateSpecializationTypeLoc TL) {
1639 // Visit the nested-name-specifier, if there is one.
1640 if (TL.getQualifierLoc() &&
1641 VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1644 // Visit the template arguments.
1645 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1646 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1652 bool CursorVisitor::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
1653 if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1656 return Visit(TL.getNamedTypeLoc());
1659 bool CursorVisitor::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) {
1660 return Visit(TL.getPatternLoc());
1663 bool CursorVisitor::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
1664 if (Expr *E = TL.getUnderlyingExpr())
1665 return Visit(MakeCXCursor(E, StmtParent, TU));
1670 bool CursorVisitor::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) {
1671 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1674 bool CursorVisitor::VisitAtomicTypeLoc(AtomicTypeLoc TL) {
1675 return Visit(TL.getValueLoc());
1678 bool CursorVisitor::VisitPipeTypeLoc(PipeTypeLoc TL) {
1679 return Visit(TL.getValueLoc());
1682 #define DEFAULT_TYPELOC_IMPL(CLASS, PARENT) \
1683 bool CursorVisitor::Visit##CLASS##TypeLoc(CLASS##TypeLoc TL) { \
1684 return Visit##PARENT##Loc(TL); \
1687 DEFAULT_TYPELOC_IMPL(Complex, Type)
1688 DEFAULT_TYPELOC_IMPL(ConstantArray, ArrayType)
1689 DEFAULT_TYPELOC_IMPL(IncompleteArray, ArrayType)
1690 DEFAULT_TYPELOC_IMPL(VariableArray, ArrayType)
1691 DEFAULT_TYPELOC_IMPL(DependentSizedArray, ArrayType)
1692 DEFAULT_TYPELOC_IMPL(DependentSizedExtVector, Type)
1693 DEFAULT_TYPELOC_IMPL(Vector, Type)
1694 DEFAULT_TYPELOC_IMPL(ExtVector, VectorType)
1695 DEFAULT_TYPELOC_IMPL(FunctionProto, FunctionType)
1696 DEFAULT_TYPELOC_IMPL(FunctionNoProto, FunctionType)
1697 DEFAULT_TYPELOC_IMPL(Record, TagType)
1698 DEFAULT_TYPELOC_IMPL(Enum, TagType)
1699 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParm, Type)
1700 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParmPack, Type)
1701 DEFAULT_TYPELOC_IMPL(Auto, Type)
1703 bool CursorVisitor::VisitCXXRecordDecl(CXXRecordDecl *D) {
1704 // Visit the nested-name-specifier, if present.
1705 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1706 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1709 if (D->isCompleteDefinition()) {
1710 for (const auto &I : D->bases()) {
1711 if (Visit(cxcursor::MakeCursorCXXBaseSpecifier(&I, TU)))
1716 return VisitTagDecl(D);
1719 bool CursorVisitor::VisitAttributes(Decl *D) {
1720 for (const auto *I : D->attrs())
1721 if (Visit(MakeCXCursor(I, D, TU)))
1727 //===----------------------------------------------------------------------===//
1728 // Data-recursive visitor methods.
1729 //===----------------------------------------------------------------------===//
1732 #define DEF_JOB(NAME, DATA, KIND)\
1733 class NAME : public VisitorJob {\
1735 NAME(const DATA *d, CXCursor parent) : \
1736 VisitorJob(parent, VisitorJob::KIND, d) {} \
1737 static bool classof(const VisitorJob *VJ) { return VJ->getKind() == KIND; }\
1738 const DATA *get() const { return static_cast<const DATA*>(data[0]); }\
1741 DEF_JOB(StmtVisit, Stmt, StmtVisitKind)
1742 DEF_JOB(MemberExprParts, MemberExpr, MemberExprPartsKind)
1743 DEF_JOB(DeclRefExprParts, DeclRefExpr, DeclRefExprPartsKind)
1744 DEF_JOB(OverloadExprParts, OverloadExpr, OverloadExprPartsKind)
1745 DEF_JOB(SizeOfPackExprParts, SizeOfPackExpr, SizeOfPackExprPartsKind)
1746 DEF_JOB(LambdaExprParts, LambdaExpr, LambdaExprPartsKind)
1747 DEF_JOB(PostChildrenVisit, void, PostChildrenVisitKind)
1750 class ExplicitTemplateArgsVisit : public VisitorJob {
1752 ExplicitTemplateArgsVisit(const TemplateArgumentLoc *Begin,
1753 const TemplateArgumentLoc *End, CXCursor parent)
1754 : VisitorJob(parent, VisitorJob::ExplicitTemplateArgsVisitKind, Begin,
1756 static bool classof(const VisitorJob *VJ) {
1757 return VJ->getKind() == ExplicitTemplateArgsVisitKind;
1759 const TemplateArgumentLoc *begin() const {
1760 return static_cast<const TemplateArgumentLoc *>(data[0]);
1762 const TemplateArgumentLoc *end() {
1763 return static_cast<const TemplateArgumentLoc *>(data[1]);
1766 class DeclVisit : public VisitorJob {
1768 DeclVisit(const Decl *D, CXCursor parent, bool isFirst) :
1769 VisitorJob(parent, VisitorJob::DeclVisitKind,
1770 D, isFirst ? (void*) 1 : (void*) nullptr) {}
1771 static bool classof(const VisitorJob *VJ) {
1772 return VJ->getKind() == DeclVisitKind;
1774 const Decl *get() const { return static_cast<const Decl *>(data[0]); }
1775 bool isFirst() const { return data[1] != nullptr; }
1777 class TypeLocVisit : public VisitorJob {
1779 TypeLocVisit(TypeLoc tl, CXCursor parent) :
1780 VisitorJob(parent, VisitorJob::TypeLocVisitKind,
1781 tl.getType().getAsOpaquePtr(), tl.getOpaqueData()) {}
1783 static bool classof(const VisitorJob *VJ) {
1784 return VJ->getKind() == TypeLocVisitKind;
1787 TypeLoc get() const {
1788 QualType T = QualType::getFromOpaquePtr(data[0]);
1789 return TypeLoc(T, const_cast<void *>(data[1]));
1793 class LabelRefVisit : public VisitorJob {
1795 LabelRefVisit(LabelDecl *LD, SourceLocation labelLoc, CXCursor parent)
1796 : VisitorJob(parent, VisitorJob::LabelRefVisitKind, LD,
1797 labelLoc.getPtrEncoding()) {}
1799 static bool classof(const VisitorJob *VJ) {
1800 return VJ->getKind() == VisitorJob::LabelRefVisitKind;
1802 const LabelDecl *get() const {
1803 return static_cast<const LabelDecl *>(data[0]);
1805 SourceLocation getLoc() const {
1806 return SourceLocation::getFromPtrEncoding(data[1]); }
1809 class NestedNameSpecifierLocVisit : public VisitorJob {
1811 NestedNameSpecifierLocVisit(NestedNameSpecifierLoc Qualifier, CXCursor parent)
1812 : VisitorJob(parent, VisitorJob::NestedNameSpecifierLocVisitKind,
1813 Qualifier.getNestedNameSpecifier(),
1814 Qualifier.getOpaqueData()) { }
1816 static bool classof(const VisitorJob *VJ) {
1817 return VJ->getKind() == VisitorJob::NestedNameSpecifierLocVisitKind;
1820 NestedNameSpecifierLoc get() const {
1821 return NestedNameSpecifierLoc(
1822 const_cast<NestedNameSpecifier *>(
1823 static_cast<const NestedNameSpecifier *>(data[0])),
1824 const_cast<void *>(data[1]));
1828 class DeclarationNameInfoVisit : public VisitorJob {
1830 DeclarationNameInfoVisit(const Stmt *S, CXCursor parent)
1831 : VisitorJob(parent, VisitorJob::DeclarationNameInfoVisitKind, S) {}
1832 static bool classof(const VisitorJob *VJ) {
1833 return VJ->getKind() == VisitorJob::DeclarationNameInfoVisitKind;
1835 DeclarationNameInfo get() const {
1836 const Stmt *S = static_cast<const Stmt *>(data[0]);
1837 switch (S->getStmtClass()) {
1839 llvm_unreachable("Unhandled Stmt");
1840 case clang::Stmt::MSDependentExistsStmtClass:
1841 return cast<MSDependentExistsStmt>(S)->getNameInfo();
1842 case Stmt::CXXDependentScopeMemberExprClass:
1843 return cast<CXXDependentScopeMemberExpr>(S)->getMemberNameInfo();
1844 case Stmt::DependentScopeDeclRefExprClass:
1845 return cast<DependentScopeDeclRefExpr>(S)->getNameInfo();
1846 case Stmt::OMPCriticalDirectiveClass:
1847 return cast<OMPCriticalDirective>(S)->getDirectiveName();
1851 class MemberRefVisit : public VisitorJob {
1853 MemberRefVisit(const FieldDecl *D, SourceLocation L, CXCursor parent)
1854 : VisitorJob(parent, VisitorJob::MemberRefVisitKind, D,
1855 L.getPtrEncoding()) {}
1856 static bool classof(const VisitorJob *VJ) {
1857 return VJ->getKind() == VisitorJob::MemberRefVisitKind;
1859 const FieldDecl *get() const {
1860 return static_cast<const FieldDecl *>(data[0]);
1862 SourceLocation getLoc() const {
1863 return SourceLocation::getFromRawEncoding((unsigned)(uintptr_t) data[1]);
1866 class EnqueueVisitor : public ConstStmtVisitor<EnqueueVisitor, void> {
1867 friend class OMPClauseEnqueue;
1868 VisitorWorkList &WL;
1871 EnqueueVisitor(VisitorWorkList &wl, CXCursor parent)
1872 : WL(wl), Parent(parent) {}
1874 void VisitAddrLabelExpr(const AddrLabelExpr *E);
1875 void VisitBlockExpr(const BlockExpr *B);
1876 void VisitCompoundLiteralExpr(const CompoundLiteralExpr *E);
1877 void VisitCompoundStmt(const CompoundStmt *S);
1878 void VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *E) { /* Do nothing. */ }
1879 void VisitMSDependentExistsStmt(const MSDependentExistsStmt *S);
1880 void VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E);
1881 void VisitCXXNewExpr(const CXXNewExpr *E);
1882 void VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *E);
1883 void VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *E);
1884 void VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *E);
1885 void VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *E);
1886 void VisitCXXTypeidExpr(const CXXTypeidExpr *E);
1887 void VisitCXXUnresolvedConstructExpr(const CXXUnresolvedConstructExpr *E);
1888 void VisitCXXUuidofExpr(const CXXUuidofExpr *E);
1889 void VisitCXXCatchStmt(const CXXCatchStmt *S);
1890 void VisitCXXForRangeStmt(const CXXForRangeStmt *S);
1891 void VisitDeclRefExpr(const DeclRefExpr *D);
1892 void VisitDeclStmt(const DeclStmt *S);
1893 void VisitDependentScopeDeclRefExpr(const DependentScopeDeclRefExpr *E);
1894 void VisitDesignatedInitExpr(const DesignatedInitExpr *E);
1895 void VisitExplicitCastExpr(const ExplicitCastExpr *E);
1896 void VisitForStmt(const ForStmt *FS);
1897 void VisitGotoStmt(const GotoStmt *GS);
1898 void VisitIfStmt(const IfStmt *If);
1899 void VisitInitListExpr(const InitListExpr *IE);
1900 void VisitMemberExpr(const MemberExpr *M);
1901 void VisitOffsetOfExpr(const OffsetOfExpr *E);
1902 void VisitObjCEncodeExpr(const ObjCEncodeExpr *E);
1903 void VisitObjCMessageExpr(const ObjCMessageExpr *M);
1904 void VisitOverloadExpr(const OverloadExpr *E);
1905 void VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *E);
1906 void VisitStmt(const Stmt *S);
1907 void VisitSwitchStmt(const SwitchStmt *S);
1908 void VisitWhileStmt(const WhileStmt *W);
1909 void VisitTypeTraitExpr(const TypeTraitExpr *E);
1910 void VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E);
1911 void VisitExpressionTraitExpr(const ExpressionTraitExpr *E);
1912 void VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U);
1913 void VisitVAArgExpr(const VAArgExpr *E);
1914 void VisitSizeOfPackExpr(const SizeOfPackExpr *E);
1915 void VisitPseudoObjectExpr(const PseudoObjectExpr *E);
1916 void VisitOpaqueValueExpr(const OpaqueValueExpr *E);
1917 void VisitLambdaExpr(const LambdaExpr *E);
1918 void VisitOMPExecutableDirective(const OMPExecutableDirective *D);
1919 void VisitOMPLoopDirective(const OMPLoopDirective *D);
1920 void VisitOMPParallelDirective(const OMPParallelDirective *D);
1921 void VisitOMPSimdDirective(const OMPSimdDirective *D);
1922 void VisitOMPForDirective(const OMPForDirective *D);
1923 void VisitOMPForSimdDirective(const OMPForSimdDirective *D);
1924 void VisitOMPSectionsDirective(const OMPSectionsDirective *D);
1925 void VisitOMPSectionDirective(const OMPSectionDirective *D);
1926 void VisitOMPSingleDirective(const OMPSingleDirective *D);
1927 void VisitOMPMasterDirective(const OMPMasterDirective *D);
1928 void VisitOMPCriticalDirective(const OMPCriticalDirective *D);
1929 void VisitOMPParallelForDirective(const OMPParallelForDirective *D);
1930 void VisitOMPParallelForSimdDirective(const OMPParallelForSimdDirective *D);
1931 void VisitOMPParallelSectionsDirective(const OMPParallelSectionsDirective *D);
1932 void VisitOMPTaskDirective(const OMPTaskDirective *D);
1933 void VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D);
1934 void VisitOMPBarrierDirective(const OMPBarrierDirective *D);
1935 void VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D);
1936 void VisitOMPTaskgroupDirective(const OMPTaskgroupDirective *D);
1938 VisitOMPCancellationPointDirective(const OMPCancellationPointDirective *D);
1939 void VisitOMPCancelDirective(const OMPCancelDirective *D);
1940 void VisitOMPFlushDirective(const OMPFlushDirective *D);
1941 void VisitOMPOrderedDirective(const OMPOrderedDirective *D);
1942 void VisitOMPAtomicDirective(const OMPAtomicDirective *D);
1943 void VisitOMPTargetDirective(const OMPTargetDirective *D);
1944 void VisitOMPTargetDataDirective(const OMPTargetDataDirective *D);
1945 void VisitOMPTargetEnterDataDirective(const OMPTargetEnterDataDirective *D);
1946 void VisitOMPTargetExitDataDirective(const OMPTargetExitDataDirective *D);
1947 void VisitOMPTargetParallelDirective(const OMPTargetParallelDirective *D);
1949 VisitOMPTargetParallelForDirective(const OMPTargetParallelForDirective *D);
1950 void VisitOMPTeamsDirective(const OMPTeamsDirective *D);
1951 void VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *D);
1952 void VisitOMPTaskLoopSimdDirective(const OMPTaskLoopSimdDirective *D);
1953 void VisitOMPDistributeDirective(const OMPDistributeDirective *D);
1956 void AddDeclarationNameInfo(const Stmt *S);
1957 void AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier);
1958 void AddExplicitTemplateArgs(const TemplateArgumentLoc *A,
1959 unsigned NumTemplateArgs);
1960 void AddMemberRef(const FieldDecl *D, SourceLocation L);
1961 void AddStmt(const Stmt *S);
1962 void AddDecl(const Decl *D, bool isFirst = true);
1963 void AddTypeLoc(TypeSourceInfo *TI);
1964 void EnqueueChildren(const Stmt *S);
1965 void EnqueueChildren(const OMPClause *S);
1967 } // end anonyous namespace
1969 void EnqueueVisitor::AddDeclarationNameInfo(const Stmt *S) {
1970 // 'S' should always be non-null, since it comes from the
1971 // statement we are visiting.
1972 WL.push_back(DeclarationNameInfoVisit(S, Parent));
1976 EnqueueVisitor::AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1978 WL.push_back(NestedNameSpecifierLocVisit(Qualifier, Parent));
1981 void EnqueueVisitor::AddStmt(const Stmt *S) {
1983 WL.push_back(StmtVisit(S, Parent));
1985 void EnqueueVisitor::AddDecl(const Decl *D, bool isFirst) {
1987 WL.push_back(DeclVisit(D, Parent, isFirst));
1989 void EnqueueVisitor::AddExplicitTemplateArgs(const TemplateArgumentLoc *A,
1990 unsigned NumTemplateArgs) {
1991 WL.push_back(ExplicitTemplateArgsVisit(A, A + NumTemplateArgs, Parent));
1993 void EnqueueVisitor::AddMemberRef(const FieldDecl *D, SourceLocation L) {
1995 WL.push_back(MemberRefVisit(D, L, Parent));
1997 void EnqueueVisitor::AddTypeLoc(TypeSourceInfo *TI) {
1999 WL.push_back(TypeLocVisit(TI->getTypeLoc(), Parent));
2001 void EnqueueVisitor::EnqueueChildren(const Stmt *S) {
2002 unsigned size = WL.size();
2003 for (const Stmt *SubStmt : S->children()) {
2006 if (size == WL.size())
2008 // Now reverse the entries we just added. This will match the DFS
2009 // ordering performed by the worklist.
2010 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2014 class OMPClauseEnqueue : public ConstOMPClauseVisitor<OMPClauseEnqueue> {
2015 EnqueueVisitor *Visitor;
2016 /// \brief Process clauses with list of variables.
2017 template <typename T>
2018 void VisitOMPClauseList(T *Node);
2020 OMPClauseEnqueue(EnqueueVisitor *Visitor) : Visitor(Visitor) { }
2021 #define OPENMP_CLAUSE(Name, Class) \
2022 void Visit##Class(const Class *C);
2023 #include "clang/Basic/OpenMPKinds.def"
2024 void VisitOMPClauseWithPreInit(const OMPClauseWithPreInit *C);
2025 void VisitOMPClauseWithPostUpdate(const OMPClauseWithPostUpdate *C);
2028 void OMPClauseEnqueue::VisitOMPClauseWithPreInit(
2029 const OMPClauseWithPreInit *C) {
2030 Visitor->AddStmt(C->getPreInitStmt());
2033 void OMPClauseEnqueue::VisitOMPClauseWithPostUpdate(
2034 const OMPClauseWithPostUpdate *C) {
2035 VisitOMPClauseWithPreInit(C);
2036 Visitor->AddStmt(C->getPostUpdateExpr());
2039 void OMPClauseEnqueue::VisitOMPIfClause(const OMPIfClause *C) {
2040 Visitor->AddStmt(C->getCondition());
2043 void OMPClauseEnqueue::VisitOMPFinalClause(const OMPFinalClause *C) {
2044 Visitor->AddStmt(C->getCondition());
2047 void OMPClauseEnqueue::VisitOMPNumThreadsClause(const OMPNumThreadsClause *C) {
2048 Visitor->AddStmt(C->getNumThreads());
2051 void OMPClauseEnqueue::VisitOMPSafelenClause(const OMPSafelenClause *C) {
2052 Visitor->AddStmt(C->getSafelen());
2055 void OMPClauseEnqueue::VisitOMPSimdlenClause(const OMPSimdlenClause *C) {
2056 Visitor->AddStmt(C->getSimdlen());
2059 void OMPClauseEnqueue::VisitOMPCollapseClause(const OMPCollapseClause *C) {
2060 Visitor->AddStmt(C->getNumForLoops());
2063 void OMPClauseEnqueue::VisitOMPDefaultClause(const OMPDefaultClause *C) { }
2065 void OMPClauseEnqueue::VisitOMPProcBindClause(const OMPProcBindClause *C) { }
2067 void OMPClauseEnqueue::VisitOMPScheduleClause(const OMPScheduleClause *C) {
2068 VisitOMPClauseWithPreInit(C);
2069 Visitor->AddStmt(C->getChunkSize());
2072 void OMPClauseEnqueue::VisitOMPOrderedClause(const OMPOrderedClause *C) {
2073 Visitor->AddStmt(C->getNumForLoops());
2076 void OMPClauseEnqueue::VisitOMPNowaitClause(const OMPNowaitClause *) {}
2078 void OMPClauseEnqueue::VisitOMPUntiedClause(const OMPUntiedClause *) {}
2080 void OMPClauseEnqueue::VisitOMPMergeableClause(const OMPMergeableClause *) {}
2082 void OMPClauseEnqueue::VisitOMPReadClause(const OMPReadClause *) {}
2084 void OMPClauseEnqueue::VisitOMPWriteClause(const OMPWriteClause *) {}
2086 void OMPClauseEnqueue::VisitOMPUpdateClause(const OMPUpdateClause *) {}
2088 void OMPClauseEnqueue::VisitOMPCaptureClause(const OMPCaptureClause *) {}
2090 void OMPClauseEnqueue::VisitOMPSeqCstClause(const OMPSeqCstClause *) {}
2092 void OMPClauseEnqueue::VisitOMPThreadsClause(const OMPThreadsClause *) {}
2094 void OMPClauseEnqueue::VisitOMPSIMDClause(const OMPSIMDClause *) {}
2096 void OMPClauseEnqueue::VisitOMPNogroupClause(const OMPNogroupClause *) {}
2098 void OMPClauseEnqueue::VisitOMPDeviceClause(const OMPDeviceClause *C) {
2099 Visitor->AddStmt(C->getDevice());
2102 void OMPClauseEnqueue::VisitOMPNumTeamsClause(const OMPNumTeamsClause *C) {
2103 Visitor->AddStmt(C->getNumTeams());
2106 void OMPClauseEnqueue::VisitOMPThreadLimitClause(const OMPThreadLimitClause *C) {
2107 Visitor->AddStmt(C->getThreadLimit());
2110 void OMPClauseEnqueue::VisitOMPPriorityClause(const OMPPriorityClause *C) {
2111 Visitor->AddStmt(C->getPriority());
2114 void OMPClauseEnqueue::VisitOMPGrainsizeClause(const OMPGrainsizeClause *C) {
2115 Visitor->AddStmt(C->getGrainsize());
2118 void OMPClauseEnqueue::VisitOMPNumTasksClause(const OMPNumTasksClause *C) {
2119 Visitor->AddStmt(C->getNumTasks());
2122 void OMPClauseEnqueue::VisitOMPHintClause(const OMPHintClause *C) {
2123 Visitor->AddStmt(C->getHint());
2126 template<typename T>
2127 void OMPClauseEnqueue::VisitOMPClauseList(T *Node) {
2128 for (const auto *I : Node->varlists()) {
2129 Visitor->AddStmt(I);
2133 void OMPClauseEnqueue::VisitOMPPrivateClause(const OMPPrivateClause *C) {
2134 VisitOMPClauseList(C);
2135 for (const auto *E : C->private_copies()) {
2136 Visitor->AddStmt(E);
2139 void OMPClauseEnqueue::VisitOMPFirstprivateClause(
2140 const OMPFirstprivateClause *C) {
2141 VisitOMPClauseList(C);
2142 VisitOMPClauseWithPreInit(C);
2143 for (const auto *E : C->private_copies()) {
2144 Visitor->AddStmt(E);
2146 for (const auto *E : C->inits()) {
2147 Visitor->AddStmt(E);
2150 void OMPClauseEnqueue::VisitOMPLastprivateClause(
2151 const OMPLastprivateClause *C) {
2152 VisitOMPClauseList(C);
2153 VisitOMPClauseWithPostUpdate(C);
2154 for (auto *E : C->private_copies()) {
2155 Visitor->AddStmt(E);
2157 for (auto *E : C->source_exprs()) {
2158 Visitor->AddStmt(E);
2160 for (auto *E : C->destination_exprs()) {
2161 Visitor->AddStmt(E);
2163 for (auto *E : C->assignment_ops()) {
2164 Visitor->AddStmt(E);
2167 void OMPClauseEnqueue::VisitOMPSharedClause(const OMPSharedClause *C) {
2168 VisitOMPClauseList(C);
2170 void OMPClauseEnqueue::VisitOMPReductionClause(const OMPReductionClause *C) {
2171 VisitOMPClauseList(C);
2172 VisitOMPClauseWithPostUpdate(C);
2173 for (auto *E : C->privates()) {
2174 Visitor->AddStmt(E);
2176 for (auto *E : C->lhs_exprs()) {
2177 Visitor->AddStmt(E);
2179 for (auto *E : C->rhs_exprs()) {
2180 Visitor->AddStmt(E);
2182 for (auto *E : C->reduction_ops()) {
2183 Visitor->AddStmt(E);
2186 void OMPClauseEnqueue::VisitOMPLinearClause(const OMPLinearClause *C) {
2187 VisitOMPClauseList(C);
2188 VisitOMPClauseWithPostUpdate(C);
2189 for (const auto *E : C->privates()) {
2190 Visitor->AddStmt(E);
2192 for (const auto *E : C->inits()) {
2193 Visitor->AddStmt(E);
2195 for (const auto *E : C->updates()) {
2196 Visitor->AddStmt(E);
2198 for (const auto *E : C->finals()) {
2199 Visitor->AddStmt(E);
2201 Visitor->AddStmt(C->getStep());
2202 Visitor->AddStmt(C->getCalcStep());
2204 void OMPClauseEnqueue::VisitOMPAlignedClause(const OMPAlignedClause *C) {
2205 VisitOMPClauseList(C);
2206 Visitor->AddStmt(C->getAlignment());
2208 void OMPClauseEnqueue::VisitOMPCopyinClause(const OMPCopyinClause *C) {
2209 VisitOMPClauseList(C);
2210 for (auto *E : C->source_exprs()) {
2211 Visitor->AddStmt(E);
2213 for (auto *E : C->destination_exprs()) {
2214 Visitor->AddStmt(E);
2216 for (auto *E : C->assignment_ops()) {
2217 Visitor->AddStmt(E);
2221 OMPClauseEnqueue::VisitOMPCopyprivateClause(const OMPCopyprivateClause *C) {
2222 VisitOMPClauseList(C);
2223 for (auto *E : C->source_exprs()) {
2224 Visitor->AddStmt(E);
2226 for (auto *E : C->destination_exprs()) {
2227 Visitor->AddStmt(E);
2229 for (auto *E : C->assignment_ops()) {
2230 Visitor->AddStmt(E);
2233 void OMPClauseEnqueue::VisitOMPFlushClause(const OMPFlushClause *C) {
2234 VisitOMPClauseList(C);
2236 void OMPClauseEnqueue::VisitOMPDependClause(const OMPDependClause *C) {
2237 VisitOMPClauseList(C);
2239 void OMPClauseEnqueue::VisitOMPMapClause(const OMPMapClause *C) {
2240 VisitOMPClauseList(C);
2242 void OMPClauseEnqueue::VisitOMPDistScheduleClause(
2243 const OMPDistScheduleClause *C) {
2244 VisitOMPClauseWithPreInit(C);
2245 Visitor->AddStmt(C->getChunkSize());
2247 void OMPClauseEnqueue::VisitOMPDefaultmapClause(
2248 const OMPDefaultmapClause * /*C*/) {}
2251 void EnqueueVisitor::EnqueueChildren(const OMPClause *S) {
2252 unsigned size = WL.size();
2253 OMPClauseEnqueue Visitor(this);
2255 if (size == WL.size())
2257 // Now reverse the entries we just added. This will match the DFS
2258 // ordering performed by the worklist.
2259 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2262 void EnqueueVisitor::VisitAddrLabelExpr(const AddrLabelExpr *E) {
2263 WL.push_back(LabelRefVisit(E->getLabel(), E->getLabelLoc(), Parent));
2265 void EnqueueVisitor::VisitBlockExpr(const BlockExpr *B) {
2266 AddDecl(B->getBlockDecl());
2268 void EnqueueVisitor::VisitCompoundLiteralExpr(const CompoundLiteralExpr *E) {
2270 AddTypeLoc(E->getTypeSourceInfo());
2272 void EnqueueVisitor::VisitCompoundStmt(const CompoundStmt *S) {
2273 for (auto &I : llvm::reverse(S->body()))
2276 void EnqueueVisitor::
2277 VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
2278 AddStmt(S->getSubStmt());
2279 AddDeclarationNameInfo(S);
2280 if (NestedNameSpecifierLoc QualifierLoc = S->getQualifierLoc())
2281 AddNestedNameSpecifierLoc(QualifierLoc);
2284 void EnqueueVisitor::
2285 VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E) {
2286 if (E->hasExplicitTemplateArgs())
2287 AddExplicitTemplateArgs(E->getTemplateArgs(), E->getNumTemplateArgs());
2288 AddDeclarationNameInfo(E);
2289 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2290 AddNestedNameSpecifierLoc(QualifierLoc);
2291 if (!E->isImplicitAccess())
2292 AddStmt(E->getBase());
2294 void EnqueueVisitor::VisitCXXNewExpr(const CXXNewExpr *E) {
2295 // Enqueue the initializer , if any.
2296 AddStmt(E->getInitializer());
2297 // Enqueue the array size, if any.
2298 AddStmt(E->getArraySize());
2299 // Enqueue the allocated type.
2300 AddTypeLoc(E->getAllocatedTypeSourceInfo());
2301 // Enqueue the placement arguments.
2302 for (unsigned I = E->getNumPlacementArgs(); I > 0; --I)
2303 AddStmt(E->getPlacementArg(I-1));
2305 void EnqueueVisitor::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *CE) {
2306 for (unsigned I = CE->getNumArgs(); I > 1 /* Yes, this is 1 */; --I)
2307 AddStmt(CE->getArg(I-1));
2308 AddStmt(CE->getCallee());
2309 AddStmt(CE->getArg(0));
2311 void EnqueueVisitor::VisitCXXPseudoDestructorExpr(
2312 const CXXPseudoDestructorExpr *E) {
2313 // Visit the name of the type being destroyed.
2314 AddTypeLoc(E->getDestroyedTypeInfo());
2315 // Visit the scope type that looks disturbingly like the nested-name-specifier
2317 AddTypeLoc(E->getScopeTypeInfo());
2318 // Visit the nested-name-specifier.
2319 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2320 AddNestedNameSpecifierLoc(QualifierLoc);
2321 // Visit base expression.
2322 AddStmt(E->getBase());
2324 void EnqueueVisitor::VisitCXXScalarValueInitExpr(
2325 const CXXScalarValueInitExpr *E) {
2326 AddTypeLoc(E->getTypeSourceInfo());
2328 void EnqueueVisitor::VisitCXXTemporaryObjectExpr(
2329 const CXXTemporaryObjectExpr *E) {
2331 AddTypeLoc(E->getTypeSourceInfo());
2333 void EnqueueVisitor::VisitCXXTypeidExpr(const CXXTypeidExpr *E) {
2335 if (E->isTypeOperand())
2336 AddTypeLoc(E->getTypeOperandSourceInfo());
2339 void EnqueueVisitor::VisitCXXUnresolvedConstructExpr(
2340 const CXXUnresolvedConstructExpr *E) {
2342 AddTypeLoc(E->getTypeSourceInfo());
2344 void EnqueueVisitor::VisitCXXUuidofExpr(const CXXUuidofExpr *E) {
2346 if (E->isTypeOperand())
2347 AddTypeLoc(E->getTypeOperandSourceInfo());
2350 void EnqueueVisitor::VisitCXXCatchStmt(const CXXCatchStmt *S) {
2352 AddDecl(S->getExceptionDecl());
2355 void EnqueueVisitor::VisitCXXForRangeStmt(const CXXForRangeStmt *S) {
2356 AddStmt(S->getBody());
2357 AddStmt(S->getRangeInit());
2358 AddDecl(S->getLoopVariable());
2361 void EnqueueVisitor::VisitDeclRefExpr(const DeclRefExpr *DR) {
2362 if (DR->hasExplicitTemplateArgs())
2363 AddExplicitTemplateArgs(DR->getTemplateArgs(), DR->getNumTemplateArgs());
2364 WL.push_back(DeclRefExprParts(DR, Parent));
2366 void EnqueueVisitor::VisitDependentScopeDeclRefExpr(
2367 const DependentScopeDeclRefExpr *E) {
2368 if (E->hasExplicitTemplateArgs())
2369 AddExplicitTemplateArgs(E->getTemplateArgs(), E->getNumTemplateArgs());
2370 AddDeclarationNameInfo(E);
2371 AddNestedNameSpecifierLoc(E->getQualifierLoc());
2373 void EnqueueVisitor::VisitDeclStmt(const DeclStmt *S) {
2374 unsigned size = WL.size();
2375 bool isFirst = true;
2376 for (const auto *D : S->decls()) {
2377 AddDecl(D, isFirst);
2380 if (size == WL.size())
2382 // Now reverse the entries we just added. This will match the DFS
2383 // ordering performed by the worklist.
2384 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2387 void EnqueueVisitor::VisitDesignatedInitExpr(const DesignatedInitExpr *E) {
2388 AddStmt(E->getInit());
2389 for (DesignatedInitExpr::const_reverse_designators_iterator
2390 D = E->designators_rbegin(), DEnd = E->designators_rend();
2392 if (D->isFieldDesignator()) {
2393 if (FieldDecl *Field = D->getField())
2394 AddMemberRef(Field, D->getFieldLoc());
2397 if (D->isArrayDesignator()) {
2398 AddStmt(E->getArrayIndex(*D));
2401 assert(D->isArrayRangeDesignator() && "Unknown designator kind");
2402 AddStmt(E->getArrayRangeEnd(*D));
2403 AddStmt(E->getArrayRangeStart(*D));
2406 void EnqueueVisitor::VisitExplicitCastExpr(const ExplicitCastExpr *E) {
2408 AddTypeLoc(E->getTypeInfoAsWritten());
2410 void EnqueueVisitor::VisitForStmt(const ForStmt *FS) {
2411 AddStmt(FS->getBody());
2412 AddStmt(FS->getInc());
2413 AddStmt(FS->getCond());
2414 AddDecl(FS->getConditionVariable());
2415 AddStmt(FS->getInit());
2417 void EnqueueVisitor::VisitGotoStmt(const GotoStmt *GS) {
2418 WL.push_back(LabelRefVisit(GS->getLabel(), GS->getLabelLoc(), Parent));
2420 void EnqueueVisitor::VisitIfStmt(const IfStmt *If) {
2421 AddStmt(If->getElse());
2422 AddStmt(If->getThen());
2423 AddStmt(If->getCond());
2424 AddDecl(If->getConditionVariable());
2426 void EnqueueVisitor::VisitInitListExpr(const InitListExpr *IE) {
2427 // We care about the syntactic form of the initializer list, only.
2428 if (InitListExpr *Syntactic = IE->getSyntacticForm())
2430 EnqueueChildren(IE);
2432 void EnqueueVisitor::VisitMemberExpr(const MemberExpr *M) {
2433 WL.push_back(MemberExprParts(M, Parent));
2435 // If the base of the member access expression is an implicit 'this', don't
2437 // FIXME: If we ever want to show these implicit accesses, this will be
2438 // unfortunate. However, clang_getCursor() relies on this behavior.
2439 if (M->isImplicitAccess())
2442 // Ignore base anonymous struct/union fields, otherwise they will shadow the
2443 // real field that that we are interested in.
2444 if (auto *SubME = dyn_cast<MemberExpr>(M->getBase())) {
2445 if (auto *FD = dyn_cast_or_null<FieldDecl>(SubME->getMemberDecl())) {
2446 if (FD->isAnonymousStructOrUnion()) {
2447 AddStmt(SubME->getBase());
2453 AddStmt(M->getBase());
2455 void EnqueueVisitor::VisitObjCEncodeExpr(const ObjCEncodeExpr *E) {
2456 AddTypeLoc(E->getEncodedTypeSourceInfo());
2458 void EnqueueVisitor::VisitObjCMessageExpr(const ObjCMessageExpr *M) {
2460 AddTypeLoc(M->getClassReceiverTypeInfo());
2462 void EnqueueVisitor::VisitOffsetOfExpr(const OffsetOfExpr *E) {
2463 // Visit the components of the offsetof expression.
2464 for (unsigned N = E->getNumComponents(), I = N; I > 0; --I) {
2465 const OffsetOfNode &Node = E->getComponent(I-1);
2466 switch (Node.getKind()) {
2467 case OffsetOfNode::Array:
2468 AddStmt(E->getIndexExpr(Node.getArrayExprIndex()));
2470 case OffsetOfNode::Field:
2471 AddMemberRef(Node.getField(), Node.getSourceRange().getEnd());
2473 case OffsetOfNode::Identifier:
2474 case OffsetOfNode::Base:
2478 // Visit the type into which we're computing the offset.
2479 AddTypeLoc(E->getTypeSourceInfo());
2481 void EnqueueVisitor::VisitOverloadExpr(const OverloadExpr *E) {
2482 if (E->hasExplicitTemplateArgs())
2483 AddExplicitTemplateArgs(E->getTemplateArgs(), E->getNumTemplateArgs());
2484 WL.push_back(OverloadExprParts(E, Parent));
2486 void EnqueueVisitor::VisitUnaryExprOrTypeTraitExpr(
2487 const UnaryExprOrTypeTraitExpr *E) {
2489 if (E->isArgumentType())
2490 AddTypeLoc(E->getArgumentTypeInfo());
2492 void EnqueueVisitor::VisitStmt(const Stmt *S) {
2495 void EnqueueVisitor::VisitSwitchStmt(const SwitchStmt *S) {
2496 AddStmt(S->getBody());
2497 AddStmt(S->getCond());
2498 AddDecl(S->getConditionVariable());
2501 void EnqueueVisitor::VisitWhileStmt(const WhileStmt *W) {
2502 AddStmt(W->getBody());
2503 AddStmt(W->getCond());
2504 AddDecl(W->getConditionVariable());
2507 void EnqueueVisitor::VisitTypeTraitExpr(const TypeTraitExpr *E) {
2508 for (unsigned I = E->getNumArgs(); I > 0; --I)
2509 AddTypeLoc(E->getArg(I-1));
2512 void EnqueueVisitor::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E) {
2513 AddTypeLoc(E->getQueriedTypeSourceInfo());
2516 void EnqueueVisitor::VisitExpressionTraitExpr(const ExpressionTraitExpr *E) {
2520 void EnqueueVisitor::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U) {
2521 VisitOverloadExpr(U);
2522 if (!U->isImplicitAccess())
2523 AddStmt(U->getBase());
2525 void EnqueueVisitor::VisitVAArgExpr(const VAArgExpr *E) {
2526 AddStmt(E->getSubExpr());
2527 AddTypeLoc(E->getWrittenTypeInfo());
2529 void EnqueueVisitor::VisitSizeOfPackExpr(const SizeOfPackExpr *E) {
2530 WL.push_back(SizeOfPackExprParts(E, Parent));
2532 void EnqueueVisitor::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
2533 // If the opaque value has a source expression, just transparently
2534 // visit that. This is useful for (e.g.) pseudo-object expressions.
2535 if (Expr *SourceExpr = E->getSourceExpr())
2536 return Visit(SourceExpr);
2538 void EnqueueVisitor::VisitLambdaExpr(const LambdaExpr *E) {
2539 AddStmt(E->getBody());
2540 WL.push_back(LambdaExprParts(E, Parent));
2542 void EnqueueVisitor::VisitPseudoObjectExpr(const PseudoObjectExpr *E) {
2543 // Treat the expression like its syntactic form.
2544 Visit(E->getSyntacticForm());
2547 void EnqueueVisitor::VisitOMPExecutableDirective(
2548 const OMPExecutableDirective *D) {
2550 for (ArrayRef<OMPClause *>::iterator I = D->clauses().begin(),
2551 E = D->clauses().end();
2553 EnqueueChildren(*I);
2556 void EnqueueVisitor::VisitOMPLoopDirective(const OMPLoopDirective *D) {
2557 VisitOMPExecutableDirective(D);
2560 void EnqueueVisitor::VisitOMPParallelDirective(const OMPParallelDirective *D) {
2561 VisitOMPExecutableDirective(D);
2564 void EnqueueVisitor::VisitOMPSimdDirective(const OMPSimdDirective *D) {
2565 VisitOMPLoopDirective(D);
2568 void EnqueueVisitor::VisitOMPForDirective(const OMPForDirective *D) {
2569 VisitOMPLoopDirective(D);
2572 void EnqueueVisitor::VisitOMPForSimdDirective(const OMPForSimdDirective *D) {
2573 VisitOMPLoopDirective(D);
2576 void EnqueueVisitor::VisitOMPSectionsDirective(const OMPSectionsDirective *D) {
2577 VisitOMPExecutableDirective(D);
2580 void EnqueueVisitor::VisitOMPSectionDirective(const OMPSectionDirective *D) {
2581 VisitOMPExecutableDirective(D);
2584 void EnqueueVisitor::VisitOMPSingleDirective(const OMPSingleDirective *D) {
2585 VisitOMPExecutableDirective(D);
2588 void EnqueueVisitor::VisitOMPMasterDirective(const OMPMasterDirective *D) {
2589 VisitOMPExecutableDirective(D);
2592 void EnqueueVisitor::VisitOMPCriticalDirective(const OMPCriticalDirective *D) {
2593 VisitOMPExecutableDirective(D);
2594 AddDeclarationNameInfo(D);
2598 EnqueueVisitor::VisitOMPParallelForDirective(const OMPParallelForDirective *D) {
2599 VisitOMPLoopDirective(D);
2602 void EnqueueVisitor::VisitOMPParallelForSimdDirective(
2603 const OMPParallelForSimdDirective *D) {
2604 VisitOMPLoopDirective(D);
2607 void EnqueueVisitor::VisitOMPParallelSectionsDirective(
2608 const OMPParallelSectionsDirective *D) {
2609 VisitOMPExecutableDirective(D);
2612 void EnqueueVisitor::VisitOMPTaskDirective(const OMPTaskDirective *D) {
2613 VisitOMPExecutableDirective(D);
2617 EnqueueVisitor::VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D) {
2618 VisitOMPExecutableDirective(D);
2621 void EnqueueVisitor::VisitOMPBarrierDirective(const OMPBarrierDirective *D) {
2622 VisitOMPExecutableDirective(D);
2625 void EnqueueVisitor::VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D) {
2626 VisitOMPExecutableDirective(D);
2629 void EnqueueVisitor::VisitOMPTaskgroupDirective(
2630 const OMPTaskgroupDirective *D) {
2631 VisitOMPExecutableDirective(D);
2634 void EnqueueVisitor::VisitOMPFlushDirective(const OMPFlushDirective *D) {
2635 VisitOMPExecutableDirective(D);
2638 void EnqueueVisitor::VisitOMPOrderedDirective(const OMPOrderedDirective *D) {
2639 VisitOMPExecutableDirective(D);
2642 void EnqueueVisitor::VisitOMPAtomicDirective(const OMPAtomicDirective *D) {
2643 VisitOMPExecutableDirective(D);
2646 void EnqueueVisitor::VisitOMPTargetDirective(const OMPTargetDirective *D) {
2647 VisitOMPExecutableDirective(D);
2650 void EnqueueVisitor::VisitOMPTargetDataDirective(const
2651 OMPTargetDataDirective *D) {
2652 VisitOMPExecutableDirective(D);
2655 void EnqueueVisitor::VisitOMPTargetEnterDataDirective(
2656 const OMPTargetEnterDataDirective *D) {
2657 VisitOMPExecutableDirective(D);
2660 void EnqueueVisitor::VisitOMPTargetExitDataDirective(
2661 const OMPTargetExitDataDirective *D) {
2662 VisitOMPExecutableDirective(D);
2665 void EnqueueVisitor::VisitOMPTargetParallelDirective(
2666 const OMPTargetParallelDirective *D) {
2667 VisitOMPExecutableDirective(D);
2670 void EnqueueVisitor::VisitOMPTargetParallelForDirective(
2671 const OMPTargetParallelForDirective *D) {
2672 VisitOMPLoopDirective(D);
2675 void EnqueueVisitor::VisitOMPTeamsDirective(const OMPTeamsDirective *D) {
2676 VisitOMPExecutableDirective(D);
2679 void EnqueueVisitor::VisitOMPCancellationPointDirective(
2680 const OMPCancellationPointDirective *D) {
2681 VisitOMPExecutableDirective(D);
2684 void EnqueueVisitor::VisitOMPCancelDirective(const OMPCancelDirective *D) {
2685 VisitOMPExecutableDirective(D);
2688 void EnqueueVisitor::VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *D) {
2689 VisitOMPLoopDirective(D);
2692 void EnqueueVisitor::VisitOMPTaskLoopSimdDirective(
2693 const OMPTaskLoopSimdDirective *D) {
2694 VisitOMPLoopDirective(D);
2697 void EnqueueVisitor::VisitOMPDistributeDirective(
2698 const OMPDistributeDirective *D) {
2699 VisitOMPLoopDirective(D);
2702 void CursorVisitor::EnqueueWorkList(VisitorWorkList &WL, const Stmt *S) {
2703 EnqueueVisitor(WL, MakeCXCursor(S, StmtParent, TU,RegionOfInterest)).Visit(S);
2706 bool CursorVisitor::IsInRegionOfInterest(CXCursor C) {
2707 if (RegionOfInterest.isValid()) {
2708 SourceRange Range = getRawCursorExtent(C);
2709 if (Range.isInvalid() || CompareRegionOfInterest(Range))
2715 bool CursorVisitor::RunVisitorWorkList(VisitorWorkList &WL) {
2716 while (!WL.empty()) {
2717 // Dequeue the worklist item.
2718 VisitorJob LI = WL.pop_back_val();
2720 // Set the Parent field, then back to its old value once we're done.
2721 SetParentRAII SetParent(Parent, StmtParent, LI.getParent());
2723 switch (LI.getKind()) {
2724 case VisitorJob::DeclVisitKind: {
2725 const Decl *D = cast<DeclVisit>(&LI)->get();
2729 // For now, perform default visitation for Decls.
2730 if (Visit(MakeCXCursor(D, TU, RegionOfInterest,
2731 cast<DeclVisit>(&LI)->isFirst())))
2736 case VisitorJob::ExplicitTemplateArgsVisitKind: {
2737 for (const TemplateArgumentLoc &Arg :
2738 *cast<ExplicitTemplateArgsVisit>(&LI)) {
2739 if (VisitTemplateArgumentLoc(Arg))
2744 case VisitorJob::TypeLocVisitKind: {
2745 // Perform default visitation for TypeLocs.
2746 if (Visit(cast<TypeLocVisit>(&LI)->get()))
2750 case VisitorJob::LabelRefVisitKind: {
2751 const LabelDecl *LS = cast<LabelRefVisit>(&LI)->get();
2752 if (LabelStmt *stmt = LS->getStmt()) {
2753 if (Visit(MakeCursorLabelRef(stmt, cast<LabelRefVisit>(&LI)->getLoc(),
2761 case VisitorJob::NestedNameSpecifierLocVisitKind: {
2762 NestedNameSpecifierLocVisit *V = cast<NestedNameSpecifierLocVisit>(&LI);
2763 if (VisitNestedNameSpecifierLoc(V->get()))
2768 case VisitorJob::DeclarationNameInfoVisitKind: {
2769 if (VisitDeclarationNameInfo(cast<DeclarationNameInfoVisit>(&LI)
2774 case VisitorJob::MemberRefVisitKind: {
2775 MemberRefVisit *V = cast<MemberRefVisit>(&LI);
2776 if (Visit(MakeCursorMemberRef(V->get(), V->getLoc(), TU)))
2780 case VisitorJob::StmtVisitKind: {
2781 const Stmt *S = cast<StmtVisit>(&LI)->get();
2785 // Update the current cursor.
2786 CXCursor Cursor = MakeCXCursor(S, StmtParent, TU, RegionOfInterest);
2787 if (!IsInRegionOfInterest(Cursor))
2789 switch (Visitor(Cursor, Parent, ClientData)) {
2790 case CXChildVisit_Break: return true;
2791 case CXChildVisit_Continue: break;
2792 case CXChildVisit_Recurse:
2793 if (PostChildrenVisitor)
2794 WL.push_back(PostChildrenVisit(nullptr, Cursor));
2795 EnqueueWorkList(WL, S);
2800 case VisitorJob::MemberExprPartsKind: {
2801 // Handle the other pieces in the MemberExpr besides the base.
2802 const MemberExpr *M = cast<MemberExprParts>(&LI)->get();
2804 // Visit the nested-name-specifier
2805 if (NestedNameSpecifierLoc QualifierLoc = M->getQualifierLoc())
2806 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2809 // Visit the declaration name.
2810 if (VisitDeclarationNameInfo(M->getMemberNameInfo()))
2813 // Visit the explicitly-specified template arguments, if any.
2814 if (M->hasExplicitTemplateArgs()) {
2815 for (const TemplateArgumentLoc *Arg = M->getTemplateArgs(),
2816 *ArgEnd = Arg + M->getNumTemplateArgs();
2817 Arg != ArgEnd; ++Arg) {
2818 if (VisitTemplateArgumentLoc(*Arg))
2824 case VisitorJob::DeclRefExprPartsKind: {
2825 const DeclRefExpr *DR = cast<DeclRefExprParts>(&LI)->get();
2826 // Visit nested-name-specifier, if present.
2827 if (NestedNameSpecifierLoc QualifierLoc = DR->getQualifierLoc())
2828 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2830 // Visit declaration name.
2831 if (VisitDeclarationNameInfo(DR->getNameInfo()))
2835 case VisitorJob::OverloadExprPartsKind: {
2836 const OverloadExpr *O = cast<OverloadExprParts>(&LI)->get();
2837 // Visit the nested-name-specifier.
2838 if (NestedNameSpecifierLoc QualifierLoc = O->getQualifierLoc())
2839 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2841 // Visit the declaration name.
2842 if (VisitDeclarationNameInfo(O->getNameInfo()))
2844 // Visit the overloaded declaration reference.
2845 if (Visit(MakeCursorOverloadedDeclRef(O, TU)))
2849 case VisitorJob::SizeOfPackExprPartsKind: {
2850 const SizeOfPackExpr *E = cast<SizeOfPackExprParts>(&LI)->get();
2851 NamedDecl *Pack = E->getPack();
2852 if (isa<TemplateTypeParmDecl>(Pack)) {
2853 if (Visit(MakeCursorTypeRef(cast<TemplateTypeParmDecl>(Pack),
2854 E->getPackLoc(), TU)))
2860 if (isa<TemplateTemplateParmDecl>(Pack)) {
2861 if (Visit(MakeCursorTemplateRef(cast<TemplateTemplateParmDecl>(Pack),
2862 E->getPackLoc(), TU)))
2868 // Non-type template parameter packs and function parameter packs are
2869 // treated like DeclRefExpr cursors.
2873 case VisitorJob::LambdaExprPartsKind: {
2875 const LambdaExpr *E = cast<LambdaExprParts>(&LI)->get();
2876 for (LambdaExpr::capture_iterator C = E->explicit_capture_begin(),
2877 CEnd = E->explicit_capture_end();
2879 // FIXME: Lambda init-captures.
2880 if (!C->capturesVariable())
2883 if (Visit(MakeCursorVariableRef(C->getCapturedVar(),
2889 // Visit parameters and return type, if present.
2890 if (E->hasExplicitParameters() || E->hasExplicitResultType()) {
2891 TypeLoc TL = E->getCallOperator()->getTypeSourceInfo()->getTypeLoc();
2892 if (E->hasExplicitParameters() && E->hasExplicitResultType()) {
2893 // Visit the whole type.
2896 } else if (FunctionProtoTypeLoc Proto =
2897 TL.getAs<FunctionProtoTypeLoc>()) {
2898 if (E->hasExplicitParameters()) {
2899 // Visit parameters.
2900 for (unsigned I = 0, N = Proto.getNumParams(); I != N; ++I)
2901 if (Visit(MakeCXCursor(Proto.getParam(I), TU)))
2904 // Visit result type.
2905 if (Visit(Proto.getReturnLoc()))
2913 case VisitorJob::PostChildrenVisitKind:
2914 if (PostChildrenVisitor(Parent, ClientData))
2922 bool CursorVisitor::Visit(const Stmt *S) {
2923 VisitorWorkList *WL = nullptr;
2924 if (!WorkListFreeList.empty()) {
2925 WL = WorkListFreeList.back();
2927 WorkListFreeList.pop_back();
2930 WL = new VisitorWorkList();
2931 WorkListCache.push_back(WL);
2933 EnqueueWorkList(*WL, S);
2934 bool result = RunVisitorWorkList(*WL);
2935 WorkListFreeList.push_back(WL);
2940 typedef SmallVector<SourceRange, 4> RefNamePieces;
2941 RefNamePieces buildPieces(unsigned NameFlags, bool IsMemberRefExpr,
2942 const DeclarationNameInfo &NI, SourceRange QLoc,
2943 const SourceRange *TemplateArgsLoc = nullptr) {
2944 const bool WantQualifier = NameFlags & CXNameRange_WantQualifier;
2945 const bool WantTemplateArgs = NameFlags & CXNameRange_WantTemplateArgs;
2946 const bool WantSinglePiece = NameFlags & CXNameRange_WantSinglePiece;
2948 const DeclarationName::NameKind Kind = NI.getName().getNameKind();
2950 RefNamePieces Pieces;
2952 if (WantQualifier && QLoc.isValid())
2953 Pieces.push_back(QLoc);
2955 if (Kind != DeclarationName::CXXOperatorName || IsMemberRefExpr)
2956 Pieces.push_back(NI.getLoc());
2958 if (WantTemplateArgs && TemplateArgsLoc && TemplateArgsLoc->isValid())
2959 Pieces.push_back(*TemplateArgsLoc);
2961 if (Kind == DeclarationName::CXXOperatorName) {
2962 Pieces.push_back(SourceLocation::getFromRawEncoding(
2963 NI.getInfo().CXXOperatorName.BeginOpNameLoc));
2964 Pieces.push_back(SourceLocation::getFromRawEncoding(
2965 NI.getInfo().CXXOperatorName.EndOpNameLoc));
2968 if (WantSinglePiece) {
2969 SourceRange R(Pieces.front().getBegin(), Pieces.back().getEnd());
2971 Pieces.push_back(R);
2978 //===----------------------------------------------------------------------===//
2980 //===----------------------------------------------------------------------===//
2982 static void fatal_error_handler(void *user_data, const std::string& reason,
2983 bool gen_crash_diag) {
2984 // Write the result out to stderr avoiding errs() because raw_ostreams can
2985 // call report_fatal_error.
2986 fprintf(stderr, "LIBCLANG FATAL ERROR: %s\n", reason.c_str());
2991 struct RegisterFatalErrorHandler {
2992 RegisterFatalErrorHandler() {
2993 llvm::install_fatal_error_handler(fatal_error_handler, nullptr);
2998 static llvm::ManagedStatic<RegisterFatalErrorHandler> RegisterFatalErrorHandlerOnce;
3001 CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
3002 int displayDiagnostics) {
3003 // We use crash recovery to make some of our APIs more reliable, implicitly
3005 if (!getenv("LIBCLANG_DISABLE_CRASH_RECOVERY"))
3006 llvm::CrashRecoveryContext::Enable();
3008 // Look through the managed static to trigger construction of the managed
3009 // static which registers our fatal error handler. This ensures it is only
3011 (void)*RegisterFatalErrorHandlerOnce;
3013 // Initialize targets for clang module support.
3014 llvm::InitializeAllTargets();
3015 llvm::InitializeAllTargetMCs();
3016 llvm::InitializeAllAsmPrinters();
3017 llvm::InitializeAllAsmParsers();
3019 CIndexer *CIdxr = new CIndexer();
3021 if (excludeDeclarationsFromPCH)
3022 CIdxr->setOnlyLocalDecls();
3023 if (displayDiagnostics)
3024 CIdxr->setDisplayDiagnostics();
3026 if (getenv("LIBCLANG_BGPRIO_INDEX"))
3027 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
3028 CXGlobalOpt_ThreadBackgroundPriorityForIndexing);
3029 if (getenv("LIBCLANG_BGPRIO_EDIT"))
3030 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
3031 CXGlobalOpt_ThreadBackgroundPriorityForEditing);
3036 void clang_disposeIndex(CXIndex CIdx) {
3038 delete static_cast<CIndexer *>(CIdx);
3041 void clang_CXIndex_setGlobalOptions(CXIndex CIdx, unsigned options) {
3043 static_cast<CIndexer *>(CIdx)->setCXGlobalOptFlags(options);
3046 unsigned clang_CXIndex_getGlobalOptions(CXIndex CIdx) {
3048 return static_cast<CIndexer *>(CIdx)->getCXGlobalOptFlags();
3052 void clang_toggleCrashRecovery(unsigned isEnabled) {
3054 llvm::CrashRecoveryContext::Enable();
3056 llvm::CrashRecoveryContext::Disable();
3059 CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
3060 const char *ast_filename) {
3061 CXTranslationUnit TU;
3062 enum CXErrorCode Result =
3063 clang_createTranslationUnit2(CIdx, ast_filename, &TU);
3065 assert((TU && Result == CXError_Success) ||
3066 (!TU && Result != CXError_Success));
3070 enum CXErrorCode clang_createTranslationUnit2(CXIndex CIdx,
3071 const char *ast_filename,
3072 CXTranslationUnit *out_TU) {
3076 if (!CIdx || !ast_filename || !out_TU)
3077 return CXError_InvalidArguments;
3080 *Log << ast_filename;
3083 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3084 FileSystemOptions FileSystemOpts;
3086 IntrusiveRefCntPtr<DiagnosticsEngine> Diags =
3087 CompilerInstance::createDiagnostics(new DiagnosticOptions());
3088 std::unique_ptr<ASTUnit> AU = ASTUnit::LoadFromASTFile(
3089 ast_filename, CXXIdx->getPCHContainerOperations()->getRawReader(), Diags,
3090 FileSystemOpts, /*UseDebugInfo=*/false,
3091 CXXIdx->getOnlyLocalDecls(), None,
3092 /*CaptureDiagnostics=*/true,
3093 /*AllowPCHWithCompilerErrors=*/true,
3094 /*UserFilesAreVolatile=*/true);
3095 *out_TU = MakeCXTranslationUnit(CXXIdx, AU.release());
3096 return *out_TU ? CXError_Success : CXError_Failure;
3099 unsigned clang_defaultEditingTranslationUnitOptions() {
3100 return CXTranslationUnit_PrecompiledPreamble |
3101 CXTranslationUnit_CacheCompletionResults;
3105 clang_createTranslationUnitFromSourceFile(CXIndex CIdx,
3106 const char *source_filename,
3107 int num_command_line_args,
3108 const char * const *command_line_args,
3109 unsigned num_unsaved_files,
3110 struct CXUnsavedFile *unsaved_files) {
3111 unsigned Options = CXTranslationUnit_DetailedPreprocessingRecord;
3112 return clang_parseTranslationUnit(CIdx, source_filename,
3113 command_line_args, num_command_line_args,
3114 unsaved_files, num_unsaved_files,
3119 clang_parseTranslationUnit_Impl(CXIndex CIdx, const char *source_filename,
3120 const char *const *command_line_args,
3121 int num_command_line_args,
3122 ArrayRef<CXUnsavedFile> unsaved_files,
3123 unsigned options, CXTranslationUnit *out_TU) {
3124 // Set up the initial return values.
3129 if (!CIdx || !out_TU)
3130 return CXError_InvalidArguments;
3132 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3134 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3135 setThreadBackgroundPriority();
3137 bool PrecompilePreamble = options & CXTranslationUnit_PrecompiledPreamble;
3138 bool CreatePreambleOnFirstParse =
3139 options & CXTranslationUnit_CreatePreambleOnFirstParse;
3140 // FIXME: Add a flag for modules.
3141 TranslationUnitKind TUKind
3142 = (options & CXTranslationUnit_Incomplete)? TU_Prefix : TU_Complete;
3143 bool CacheCodeCompletionResults
3144 = options & CXTranslationUnit_CacheCompletionResults;
3145 bool IncludeBriefCommentsInCodeCompletion
3146 = options & CXTranslationUnit_IncludeBriefCommentsInCodeCompletion;
3147 bool SkipFunctionBodies = options & CXTranslationUnit_SkipFunctionBodies;
3148 bool ForSerialization = options & CXTranslationUnit_ForSerialization;
3150 // Configure the diagnostics.
3151 IntrusiveRefCntPtr<DiagnosticsEngine>
3152 Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions));
3154 if (options & CXTranslationUnit_KeepGoing)
3155 Diags->setFatalsAsError(true);
3157 // Recover resources if we crash before exiting this function.
3158 llvm::CrashRecoveryContextCleanupRegistrar<DiagnosticsEngine,
3159 llvm::CrashRecoveryContextReleaseRefCleanup<DiagnosticsEngine> >
3160 DiagCleanup(Diags.get());
3162 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3163 new std::vector<ASTUnit::RemappedFile>());
3165 // Recover resources if we crash before exiting this function.
3166 llvm::CrashRecoveryContextCleanupRegistrar<
3167 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3169 for (auto &UF : unsaved_files) {
3170 std::unique_ptr<llvm::MemoryBuffer> MB =
3171 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3172 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3175 std::unique_ptr<std::vector<const char *>> Args(
3176 new std::vector<const char *>());
3178 // Recover resources if we crash before exiting this method.
3179 llvm::CrashRecoveryContextCleanupRegistrar<std::vector<const char*> >
3180 ArgsCleanup(Args.get());
3182 // Since the Clang C library is primarily used by batch tools dealing with
3183 // (often very broken) source code, where spell-checking can have a
3184 // significant negative impact on performance (particularly when
3185 // precompiled headers are involved), we disable it by default.
3186 // Only do this if we haven't found a spell-checking-related argument.
3187 bool FoundSpellCheckingArgument = false;
3188 for (int I = 0; I != num_command_line_args; ++I) {
3189 if (strcmp(command_line_args[I], "-fno-spell-checking") == 0 ||
3190 strcmp(command_line_args[I], "-fspell-checking") == 0) {
3191 FoundSpellCheckingArgument = true;
3195 Args->insert(Args->end(), command_line_args,
3196 command_line_args + num_command_line_args);
3198 if (!FoundSpellCheckingArgument)
3199 Args->insert(Args->begin() + 1, "-fno-spell-checking");
3201 // The 'source_filename' argument is optional. If the caller does not
3202 // specify it then it is assumed that the source file is specified
3203 // in the actual argument list.
3204 // Put the source file after command_line_args otherwise if '-x' flag is
3205 // present it will be unused.
3206 if (source_filename)
3207 Args->push_back(source_filename);
3209 // Do we need the detailed preprocessing record?
3210 if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
3211 Args->push_back("-Xclang");
3212 Args->push_back("-detailed-preprocessing-record");
3215 unsigned NumErrors = Diags->getClient()->getNumErrors();
3216 std::unique_ptr<ASTUnit> ErrUnit;
3217 // Unless the user specified that they want the preamble on the first parse
3218 // set it up to be created on the first reparse. This makes the first parse
3219 // faster, trading for a slower (first) reparse.
3220 unsigned PrecompilePreambleAfterNParses =
3221 !PrecompilePreamble ? 0 : 2 - CreatePreambleOnFirstParse;
3222 std::unique_ptr<ASTUnit> Unit(ASTUnit::LoadFromCommandLine(
3223 Args->data(), Args->data() + Args->size(),
3224 CXXIdx->getPCHContainerOperations(), Diags,
3225 CXXIdx->getClangResourcesPath(), CXXIdx->getOnlyLocalDecls(),
3226 /*CaptureDiagnostics=*/true, *RemappedFiles.get(),
3227 /*RemappedFilesKeepOriginalName=*/true, PrecompilePreambleAfterNParses,
3228 TUKind, CacheCodeCompletionResults, IncludeBriefCommentsInCodeCompletion,
3229 /*AllowPCHWithCompilerErrors=*/true, SkipFunctionBodies,
3230 /*UserFilesAreVolatile=*/true, ForSerialization,
3231 CXXIdx->getPCHContainerOperations()->getRawReader().getFormat(),
3234 // Early failures in LoadFromCommandLine may return with ErrUnit unset.
3235 if (!Unit && !ErrUnit)
3236 return CXError_ASTReadError;
3238 if (NumErrors != Diags->getClient()->getNumErrors()) {
3239 // Make sure to check that 'Unit' is non-NULL.
3240 if (CXXIdx->getDisplayDiagnostics())
3241 printDiagsToStderr(Unit ? Unit.get() : ErrUnit.get());
3244 if (isASTReadError(Unit ? Unit.get() : ErrUnit.get()))
3245 return CXError_ASTReadError;
3247 *out_TU = MakeCXTranslationUnit(CXXIdx, Unit.release());
3248 return *out_TU ? CXError_Success : CXError_Failure;
3252 clang_parseTranslationUnit(CXIndex CIdx,
3253 const char *source_filename,
3254 const char *const *command_line_args,
3255 int num_command_line_args,
3256 struct CXUnsavedFile *unsaved_files,
3257 unsigned num_unsaved_files,
3259 CXTranslationUnit TU;
3260 enum CXErrorCode Result = clang_parseTranslationUnit2(
3261 CIdx, source_filename, command_line_args, num_command_line_args,
3262 unsaved_files, num_unsaved_files, options, &TU);
3264 assert((TU && Result == CXError_Success) ||
3265 (!TU && Result != CXError_Success));
3269 enum CXErrorCode clang_parseTranslationUnit2(
3270 CXIndex CIdx, const char *source_filename,
3271 const char *const *command_line_args, int num_command_line_args,
3272 struct CXUnsavedFile *unsaved_files, unsigned num_unsaved_files,
3273 unsigned options, CXTranslationUnit *out_TU) {
3274 SmallVector<const char *, 4> Args;
3275 Args.push_back("clang");
3276 Args.append(command_line_args, command_line_args + num_command_line_args);
3277 return clang_parseTranslationUnit2FullArgv(
3278 CIdx, source_filename, Args.data(), Args.size(), unsaved_files,
3279 num_unsaved_files, options, out_TU);
3282 enum CXErrorCode clang_parseTranslationUnit2FullArgv(
3283 CXIndex CIdx, const char *source_filename,
3284 const char *const *command_line_args, int num_command_line_args,
3285 struct CXUnsavedFile *unsaved_files, unsigned num_unsaved_files,
3286 unsigned options, CXTranslationUnit *out_TU) {
3288 *Log << source_filename << ": ";
3289 for (int i = 0; i != num_command_line_args; ++i)
3290 *Log << command_line_args[i] << " ";
3293 if (num_unsaved_files && !unsaved_files)
3294 return CXError_InvalidArguments;
3296 CXErrorCode result = CXError_Failure;
3297 auto ParseTranslationUnitImpl = [=, &result] {
3298 result = clang_parseTranslationUnit_Impl(
3299 CIdx, source_filename, command_line_args, num_command_line_args,
3300 llvm::makeArrayRef(unsaved_files, num_unsaved_files), options, out_TU);
3302 llvm::CrashRecoveryContext CRC;
3304 if (!RunSafely(CRC, ParseTranslationUnitImpl)) {
3305 fprintf(stderr, "libclang: crash detected during parsing: {\n");
3306 fprintf(stderr, " 'source_filename' : '%s'\n", source_filename);
3307 fprintf(stderr, " 'command_line_args' : [");
3308 for (int i = 0; i != num_command_line_args; ++i) {
3310 fprintf(stderr, ", ");
3311 fprintf(stderr, "'%s'", command_line_args[i]);
3313 fprintf(stderr, "],\n");
3314 fprintf(stderr, " 'unsaved_files' : [");
3315 for (unsigned i = 0; i != num_unsaved_files; ++i) {
3317 fprintf(stderr, ", ");
3318 fprintf(stderr, "('%s', '...', %ld)", unsaved_files[i].Filename,
3319 unsaved_files[i].Length);
3321 fprintf(stderr, "],\n");
3322 fprintf(stderr, " 'options' : %d,\n", options);
3323 fprintf(stderr, "}\n");
3325 return CXError_Crashed;
3326 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3327 if (CXTranslationUnit *TU = out_TU)
3328 PrintLibclangResourceUsage(*TU);
3334 CXString clang_Type_getObjCEncoding(CXType CT) {
3335 CXTranslationUnit tu = static_cast<CXTranslationUnit>(CT.data[1]);
3336 ASTContext &Ctx = getASTUnit(tu)->getASTContext();
3337 std::string encoding;
3338 Ctx.getObjCEncodingForType(QualType::getFromOpaquePtr(CT.data[0]),
3341 return cxstring::createDup(encoding);
3344 static const IdentifierInfo *getMacroIdentifier(CXCursor C) {
3345 if (C.kind == CXCursor_MacroDefinition) {
3346 if (const MacroDefinitionRecord *MDR = getCursorMacroDefinition(C))
3347 return MDR->getName();
3348 } else if (C.kind == CXCursor_MacroExpansion) {
3349 MacroExpansionCursor ME = getCursorMacroExpansion(C);
3350 return ME.getName();
3355 unsigned clang_Cursor_isMacroFunctionLike(CXCursor C) {
3356 const IdentifierInfo *II = getMacroIdentifier(C);
3360 ASTUnit *ASTU = getCursorASTUnit(C);
3361 Preprocessor &PP = ASTU->getPreprocessor();
3362 if (const MacroInfo *MI = PP.getMacroInfo(II))
3363 return MI->isFunctionLike();
3367 unsigned clang_Cursor_isMacroBuiltin(CXCursor C) {
3368 const IdentifierInfo *II = getMacroIdentifier(C);
3372 ASTUnit *ASTU = getCursorASTUnit(C);
3373 Preprocessor &PP = ASTU->getPreprocessor();
3374 if (const MacroInfo *MI = PP.getMacroInfo(II))
3375 return MI->isBuiltinMacro();
3379 unsigned clang_Cursor_isFunctionInlined(CXCursor C) {
3380 const Decl *D = getCursorDecl(C);
3381 const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D);
3385 return FD->isInlined();
3388 static StringLiteral* getCFSTR_value(CallExpr *callExpr) {
3389 if (callExpr->getNumArgs() != 1) {
3393 StringLiteral *S = nullptr;
3394 auto *arg = callExpr->getArg(0);
3395 if (arg->getStmtClass() == Stmt::ImplicitCastExprClass) {
3396 ImplicitCastExpr *I = static_cast<ImplicitCastExpr *>(arg);
3397 auto *subExpr = I->getSubExprAsWritten();
3399 if(subExpr->getStmtClass() != Stmt::StringLiteralClass){
3403 S = static_cast<StringLiteral *>(I->getSubExprAsWritten());
3404 } else if (arg->getStmtClass() == Stmt::StringLiteralClass) {
3405 S = static_cast<StringLiteral *>(callExpr->getArg(0));
3413 CXEvalResultKind EvalType;
3421 void clang_EvalResult_dispose(CXEvalResult E) {
3422 ExprEvalResult *ER = (ExprEvalResult *)E;
3424 CXEvalResultKind evalType = ER->EvalType;
3426 if (evalType != CXEval_UnExposed && evalType != CXEval_Float &&
3427 evalType != CXEval_Int && ER->EvalData.stringVal) {
3428 free((void *) ER->EvalData.stringVal);
3434 CXEvalResultKind clang_EvalResult_getKind(CXEvalResult E) {
3436 return CXEval_UnExposed;
3438 return ((ExprEvalResult *)E)->EvalType;
3441 int clang_EvalResult_getAsInt(CXEvalResult E) {
3445 return ((ExprEvalResult *)E)->EvalData.intVal;
3448 double clang_EvalResult_getAsDouble(CXEvalResult E) {
3452 return ((ExprEvalResult *)E)->EvalData.floatVal;
3455 const char* clang_EvalResult_getAsStr(CXEvalResult E) {
3459 return ((ExprEvalResult *)E)->EvalData.stringVal;
3462 static const ExprEvalResult* evaluateExpr(Expr *expr, CXCursor C) {
3463 Expr::EvalResult ER;
3464 ASTContext &ctx = getCursorContext(C);
3468 expr = expr->IgnoreParens();
3469 bool res = expr->EvaluateAsRValue(ER, ctx);
3472 ExprEvalResult *result = (ExprEvalResult *) malloc(sizeof(ExprEvalResult));
3476 result->EvalType = CXEval_UnExposed;
3480 if (ER.Val.isInt()) {
3481 result->EvalType = CXEval_Int;
3482 result->EvalData.intVal = ER.Val.getInt().getExtValue();
3484 } else if (ER.Val.isFloat()) {
3486 llvm::SmallVector<char, 100> Buffer;
3487 ER.Val.getFloat().toString(Buffer);
3488 std::string floatStr(Buffer.data(), Buffer.size());
3489 result->EvalType = CXEval_Float;
3491 llvm::APFloat apFloat = ER.Val.getFloat();
3492 apFloat.convert(llvm::APFloat::IEEEdouble,
3493 llvm::APFloat::rmNearestTiesToEven, &ignored);
3494 result->EvalData.floatVal = apFloat.convertToDouble();
3497 } else if (expr->getStmtClass() == Stmt::ImplicitCastExprClass) {
3499 const ImplicitCastExpr *I = dyn_cast<ImplicitCastExpr>(expr);
3500 auto *subExpr = I->getSubExprAsWritten();
3501 if (subExpr->getStmtClass() == Stmt::StringLiteralClass ||
3502 subExpr->getStmtClass() == Stmt::ObjCStringLiteralClass) {
3504 const StringLiteral *StrE = nullptr;
3505 const ObjCStringLiteral *ObjCExpr;
3506 ObjCExpr = dyn_cast<ObjCStringLiteral>(subExpr);
3509 StrE = ObjCExpr->getString();
3510 result->EvalType = CXEval_ObjCStrLiteral;
3512 StrE = cast<StringLiteral>(I->getSubExprAsWritten());
3513 result->EvalType = CXEval_StrLiteral;
3516 std::string strRef(StrE->getString().str());
3517 result->EvalData.stringVal = (char *)malloc(strRef.size()+1);
3518 strncpy((char*)result->EvalData.stringVal, strRef.c_str(),
3520 result->EvalData.stringVal[strRef.size()] = '\0';
3524 } else if (expr->getStmtClass() == Stmt::ObjCStringLiteralClass ||
3525 expr->getStmtClass() == Stmt::StringLiteralClass) {
3527 const StringLiteral *StrE = nullptr;
3528 const ObjCStringLiteral *ObjCExpr;
3529 ObjCExpr = dyn_cast<ObjCStringLiteral>(expr);
3532 StrE = ObjCExpr->getString();
3533 result->EvalType = CXEval_ObjCStrLiteral;
3535 StrE = cast<StringLiteral>(expr);
3536 result->EvalType = CXEval_StrLiteral;
3539 std::string strRef(StrE->getString().str());
3540 result->EvalData.stringVal = (char *)malloc(strRef.size()+1);
3541 strncpy((char*)result->EvalData.stringVal, strRef.c_str(),
3543 result->EvalData.stringVal[strRef.size()] = '\0';
3546 } else if (expr->getStmtClass() == Stmt::CStyleCastExprClass) {
3548 CStyleCastExpr *CC = static_cast<CStyleCastExpr *>(expr);
3550 rettype = CC->getType();
3551 if (rettype.getAsString() == "CFStringRef" &&
3552 CC->getSubExpr()->getStmtClass() == Stmt::CallExprClass) {
3554 callExpr = static_cast<CallExpr *>(CC->getSubExpr());
3555 StringLiteral* S = getCFSTR_value(callExpr);
3557 std::string strLiteral(S->getString().str());
3558 result->EvalType = CXEval_CFStr;
3560 result->EvalData.stringVal = (char *)malloc(strLiteral.size()+1);
3561 strncpy((char*)result->EvalData.stringVal, strLiteral.c_str(),
3563 result->EvalData.stringVal[strLiteral.size()] = '\0';
3568 } else if (expr->getStmtClass() == Stmt::CallExprClass) {
3570 callExpr = static_cast<CallExpr *>(expr);
3571 rettype = callExpr->getCallReturnType(ctx);
3573 if (rettype->isVectorType() || callExpr->getNumArgs() > 1) {
3574 clang_EvalResult_dispose((CXEvalResult *)result);
3577 if (rettype->isIntegralType(ctx) || rettype->isRealFloatingType()) {
3578 if(callExpr->getNumArgs() == 1 &&
3579 !callExpr->getArg(0)->getType()->isIntegralType(ctx)) {
3580 clang_EvalResult_dispose((CXEvalResult *)result);
3583 } else if(rettype.getAsString() == "CFStringRef") {
3585 StringLiteral* S = getCFSTR_value(callExpr);
3587 std::string strLiteral(S->getString().str());
3588 result->EvalType = CXEval_CFStr;
3589 result->EvalData.stringVal = (char *)malloc(strLiteral.size()+1);
3590 strncpy((char*)result->EvalData.stringVal, strLiteral.c_str(),
3592 result->EvalData.stringVal[strLiteral.size()] = '\0';
3597 } else if (expr->getStmtClass() == Stmt::DeclRefExprClass) {
3599 DeclRefExpr *D = static_cast<DeclRefExpr *>(expr);
3600 ValueDecl *V = D->getDecl();
3601 if (V->getKind() == Decl::Function) {
3602 std::string strName(V->getNameAsString());
3603 result->EvalType = CXEval_Other;
3604 result->EvalData.stringVal = (char *)malloc(strName.size()+1);
3605 strncpy((char*)result->EvalData.stringVal, strName.c_str(),
3607 result->EvalData.stringVal[strName.size()] = '\0';
3614 clang_EvalResult_dispose((CXEvalResult *)result);
3618 CXEvalResult clang_Cursor_Evaluate(CXCursor C) {
3619 const Decl *D = getCursorDecl(C);
3621 const Expr *expr = nullptr;
3622 if (auto *Var = dyn_cast<VarDecl>(D)) {
3623 expr = Var->getInit();
3624 } else if (auto *Field = dyn_cast<FieldDecl>(D)) {
3625 expr = Field->getInClassInitializer();
3628 return const_cast<CXEvalResult>(reinterpret_cast<const void *>(
3629 evaluateExpr(const_cast<Expr *>(expr), C)));
3633 const CompoundStmt *compoundStmt = dyn_cast_or_null<CompoundStmt>(getCursorStmt(C));
3635 Expr *expr = nullptr;
3636 for (auto *bodyIterator : compoundStmt->body()) {
3637 if ((expr = dyn_cast<Expr>(bodyIterator))) {
3642 return const_cast<CXEvalResult>(
3643 reinterpret_cast<const void *>(evaluateExpr(expr, C)));
3648 unsigned clang_Cursor_hasAttrs(CXCursor C) {
3649 const Decl *D = getCursorDecl(C);
3654 if (D->hasAttrs()) {
3660 unsigned clang_defaultSaveOptions(CXTranslationUnit TU) {
3661 return CXSaveTranslationUnit_None;
3664 static CXSaveError clang_saveTranslationUnit_Impl(CXTranslationUnit TU,
3665 const char *FileName,
3667 CIndexer *CXXIdx = TU->CIdx;
3668 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3669 setThreadBackgroundPriority();
3671 bool hadError = cxtu::getASTUnit(TU)->Save(FileName);
3672 return hadError ? CXSaveError_Unknown : CXSaveError_None;
3675 int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
3678 *Log << TU << ' ' << FileName;
3681 if (isNotUsableTU(TU)) {
3683 return CXSaveError_InvalidTU;
3686 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3687 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3688 if (!CXXUnit->hasSema())
3689 return CXSaveError_InvalidTU;
3692 auto SaveTranslationUnitImpl = [=, &result]() {
3693 result = clang_saveTranslationUnit_Impl(TU, FileName, options);
3696 if (!CXXUnit->getDiagnostics().hasUnrecoverableErrorOccurred() ||
3697 getenv("LIBCLANG_NOTHREADS")) {
3698 SaveTranslationUnitImpl();
3700 if (getenv("LIBCLANG_RESOURCE_USAGE"))
3701 PrintLibclangResourceUsage(TU);
3706 // We have an AST that has invalid nodes due to compiler errors.
3707 // Use a crash recovery thread for protection.
3709 llvm::CrashRecoveryContext CRC;
3711 if (!RunSafely(CRC, SaveTranslationUnitImpl)) {
3712 fprintf(stderr, "libclang: crash detected during AST saving: {\n");
3713 fprintf(stderr, " 'filename' : '%s'\n", FileName);
3714 fprintf(stderr, " 'options' : %d,\n", options);
3715 fprintf(stderr, "}\n");
3717 return CXSaveError_Unknown;
3719 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3720 PrintLibclangResourceUsage(TU);
3726 void clang_disposeTranslationUnit(CXTranslationUnit CTUnit) {
3728 // If the translation unit has been marked as unsafe to free, just discard
3730 ASTUnit *Unit = cxtu::getASTUnit(CTUnit);
3731 if (Unit && Unit->isUnsafeToFree())
3734 delete cxtu::getASTUnit(CTUnit);
3735 delete CTUnit->StringPool;
3736 delete static_cast<CXDiagnosticSetImpl *>(CTUnit->Diagnostics);
3737 disposeOverridenCXCursorsPool(CTUnit->OverridenCursorsPool);
3738 delete CTUnit->CommentToXML;
3743 unsigned clang_defaultReparseOptions(CXTranslationUnit TU) {
3744 return CXReparse_None;
3748 clang_reparseTranslationUnit_Impl(CXTranslationUnit TU,
3749 ArrayRef<CXUnsavedFile> unsaved_files,
3752 if (isNotUsableTU(TU)) {
3754 return CXError_InvalidArguments;
3757 // Reset the associated diagnostics.
3758 delete static_cast<CXDiagnosticSetImpl*>(TU->Diagnostics);
3759 TU->Diagnostics = nullptr;
3761 CIndexer *CXXIdx = TU->CIdx;
3762 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
3763 setThreadBackgroundPriority();
3765 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3766 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3768 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3769 new std::vector<ASTUnit::RemappedFile>());
3771 // Recover resources if we crash before exiting this function.
3772 llvm::CrashRecoveryContextCleanupRegistrar<
3773 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3775 for (auto &UF : unsaved_files) {
3776 std::unique_ptr<llvm::MemoryBuffer> MB =
3777 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3778 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3781 if (!CXXUnit->Reparse(CXXIdx->getPCHContainerOperations(),
3782 *RemappedFiles.get()))
3783 return CXError_Success;
3784 if (isASTReadError(CXXUnit))
3785 return CXError_ASTReadError;
3786 return CXError_Failure;
3789 int clang_reparseTranslationUnit(CXTranslationUnit TU,
3790 unsigned num_unsaved_files,
3791 struct CXUnsavedFile *unsaved_files,
3797 if (num_unsaved_files && !unsaved_files)
3798 return CXError_InvalidArguments;
3801 auto ReparseTranslationUnitImpl = [=, &result]() {
3802 result = clang_reparseTranslationUnit_Impl(
3803 TU, llvm::makeArrayRef(unsaved_files, num_unsaved_files), options);
3806 if (getenv("LIBCLANG_NOTHREADS")) {
3807 ReparseTranslationUnitImpl();
3811 llvm::CrashRecoveryContext CRC;
3813 if (!RunSafely(CRC, ReparseTranslationUnitImpl)) {
3814 fprintf(stderr, "libclang: crash detected during reparsing\n");
3815 cxtu::getASTUnit(TU)->setUnsafeToFree(true);
3816 return CXError_Crashed;
3817 } else if (getenv("LIBCLANG_RESOURCE_USAGE"))
3818 PrintLibclangResourceUsage(TU);
3824 CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
3825 if (isNotUsableTU(CTUnit)) {
3827 return cxstring::createEmpty();
3830 ASTUnit *CXXUnit = cxtu::getASTUnit(CTUnit);
3831 return cxstring::createDup(CXXUnit->getOriginalSourceFileName());
3834 CXCursor clang_getTranslationUnitCursor(CXTranslationUnit TU) {
3835 if (isNotUsableTU(TU)) {
3837 return clang_getNullCursor();
3840 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3841 return MakeCXCursor(CXXUnit->getASTContext().getTranslationUnitDecl(), TU);
3844 } // end: extern "C"
3846 //===----------------------------------------------------------------------===//
3847 // CXFile Operations.
3848 //===----------------------------------------------------------------------===//
3851 CXString clang_getFileName(CXFile SFile) {
3853 return cxstring::createNull();
3855 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3856 return cxstring::createRef(FEnt->getName());
3859 time_t clang_getFileTime(CXFile SFile) {
3863 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3864 return FEnt->getModificationTime();
3867 CXFile clang_getFile(CXTranslationUnit TU, const char *file_name) {
3868 if (isNotUsableTU(TU)) {
3873 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3875 FileManager &FMgr = CXXUnit->getFileManager();
3876 return const_cast<FileEntry *>(FMgr.getFile(file_name));
3879 unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit TU,
3881 if (isNotUsableTU(TU)) {
3889 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3890 FileEntry *FEnt = static_cast<FileEntry *>(file);
3891 return CXXUnit->getPreprocessor().getHeaderSearchInfo()
3892 .isFileMultipleIncludeGuarded(FEnt);
3895 int clang_getFileUniqueID(CXFile file, CXFileUniqueID *outID) {
3896 if (!file || !outID)
3899 FileEntry *FEnt = static_cast<FileEntry *>(file);
3900 const llvm::sys::fs::UniqueID &ID = FEnt->getUniqueID();
3901 outID->data[0] = ID.getDevice();
3902 outID->data[1] = ID.getFile();
3903 outID->data[2] = FEnt->getModificationTime();
3907 int clang_File_isEqual(CXFile file1, CXFile file2) {
3911 if (!file1 || !file2)
3914 FileEntry *FEnt1 = static_cast<FileEntry *>(file1);
3915 FileEntry *FEnt2 = static_cast<FileEntry *>(file2);
3916 return FEnt1->getUniqueID() == FEnt2->getUniqueID();
3919 } // end: extern "C"
3921 //===----------------------------------------------------------------------===//
3922 // CXCursor Operations.
3923 //===----------------------------------------------------------------------===//
3925 static const Decl *getDeclFromExpr(const Stmt *E) {
3926 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3927 return getDeclFromExpr(CE->getSubExpr());
3929 if (const DeclRefExpr *RefExpr = dyn_cast<DeclRefExpr>(E))
3930 return RefExpr->getDecl();
3931 if (const MemberExpr *ME = dyn_cast<MemberExpr>(E))
3932 return ME->getMemberDecl();
3933 if (const ObjCIvarRefExpr *RE = dyn_cast<ObjCIvarRefExpr>(E))
3934 return RE->getDecl();
3935 if (const ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(E)) {
3936 if (PRE->isExplicitProperty())
3937 return PRE->getExplicitProperty();
3938 // It could be messaging both getter and setter as in:
3940 // in which case prefer to associate the setter since it is less obvious
3941 // from inspecting the source that the setter is going to get called.
3942 if (PRE->isMessagingSetter())
3943 return PRE->getImplicitPropertySetter();
3944 return PRE->getImplicitPropertyGetter();
3946 if (const PseudoObjectExpr *POE = dyn_cast<PseudoObjectExpr>(E))
3947 return getDeclFromExpr(POE->getSyntacticForm());
3948 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E))
3949 if (Expr *Src = OVE->getSourceExpr())
3950 return getDeclFromExpr(Src);
3952 if (const CallExpr *CE = dyn_cast<CallExpr>(E))
3953 return getDeclFromExpr(CE->getCallee());
3954 if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E))
3955 if (!CE->isElidable())
3956 return CE->getConstructor();
3957 if (const ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(E))
3958 return OME->getMethodDecl();
3960 if (const ObjCProtocolExpr *PE = dyn_cast<ObjCProtocolExpr>(E))
3961 return PE->getProtocol();
3962 if (const SubstNonTypeTemplateParmPackExpr *NTTP
3963 = dyn_cast<SubstNonTypeTemplateParmPackExpr>(E))
3964 return NTTP->getParameterPack();
3965 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3966 if (isa<NonTypeTemplateParmDecl>(SizeOfPack->getPack()) ||
3967 isa<ParmVarDecl>(SizeOfPack->getPack()))
3968 return SizeOfPack->getPack();
3973 static SourceLocation getLocationFromExpr(const Expr *E) {
3974 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3975 return getLocationFromExpr(CE->getSubExpr());
3977 if (const ObjCMessageExpr *Msg = dyn_cast<ObjCMessageExpr>(E))
3978 return /*FIXME:*/Msg->getLeftLoc();
3979 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E))
3980 return DRE->getLocation();
3981 if (const MemberExpr *Member = dyn_cast<MemberExpr>(E))
3982 return Member->getMemberLoc();
3983 if (const ObjCIvarRefExpr *Ivar = dyn_cast<ObjCIvarRefExpr>(E))
3984 return Ivar->getLocation();
3985 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3986 return SizeOfPack->getPackLoc();
3987 if (const ObjCPropertyRefExpr *PropRef = dyn_cast<ObjCPropertyRefExpr>(E))
3988 return PropRef->getLocation();
3990 return E->getLocStart();
3995 unsigned clang_visitChildren(CXCursor parent,
3996 CXCursorVisitor visitor,
3997 CXClientData client_data) {
3998 CursorVisitor CursorVis(getCursorTU(parent), visitor, client_data,
3999 /*VisitPreprocessorLast=*/false);
4000 return CursorVis.VisitChildren(parent);
4003 #ifndef __has_feature
4004 #define __has_feature(x) 0
4006 #if __has_feature(blocks)
4007 typedef enum CXChildVisitResult
4008 (^CXCursorVisitorBlock)(CXCursor cursor, CXCursor parent);
4010 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
4011 CXClientData client_data) {
4012 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
4013 return block(cursor, parent);
4016 // If we are compiled with a compiler that doesn't have native blocks support,
4017 // define and call the block manually, so the
4018 typedef struct _CXChildVisitResult
4023 enum CXChildVisitResult(*invoke)(struct _CXChildVisitResult*, CXCursor,
4025 } *CXCursorVisitorBlock;
4027 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
4028 CXClientData client_data) {
4029 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
4030 return block->invoke(block, cursor, parent);
4035 unsigned clang_visitChildrenWithBlock(CXCursor parent,
4036 CXCursorVisitorBlock block) {
4037 return clang_visitChildren(parent, visitWithBlock, block);
4040 static CXString getDeclSpelling(const Decl *D) {
4042 return cxstring::createEmpty();
4044 const NamedDecl *ND = dyn_cast<NamedDecl>(D);
4046 if (const ObjCPropertyImplDecl *PropImpl =
4047 dyn_cast<ObjCPropertyImplDecl>(D))
4048 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
4049 return cxstring::createDup(Property->getIdentifier()->getName());
4051 if (const ImportDecl *ImportD = dyn_cast<ImportDecl>(D))
4052 if (Module *Mod = ImportD->getImportedModule())
4053 return cxstring::createDup(Mod->getFullModuleName());
4055 return cxstring::createEmpty();
4058 if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(ND))
4059 return cxstring::createDup(OMD->getSelector().getAsString());
4061 if (const ObjCCategoryImplDecl *CIMP = dyn_cast<ObjCCategoryImplDecl>(ND))
4062 // No, this isn't the same as the code below. getIdentifier() is non-virtual
4063 // and returns different names. NamedDecl returns the class name and
4064 // ObjCCategoryImplDecl returns the category name.
4065 return cxstring::createRef(CIMP->getIdentifier()->getNameStart());
4067 if (isa<UsingDirectiveDecl>(D))
4068 return cxstring::createEmpty();
4070 SmallString<1024> S;
4071 llvm::raw_svector_ostream os(S);
4074 return cxstring::createDup(os.str());
4077 CXString clang_getCursorSpelling(CXCursor C) {
4078 if (clang_isTranslationUnit(C.kind))
4079 return clang_getTranslationUnitSpelling(getCursorTU(C));
4081 if (clang_isReference(C.kind)) {
4083 case CXCursor_ObjCSuperClassRef: {
4084 const ObjCInterfaceDecl *Super = getCursorObjCSuperClassRef(C).first;
4085 return cxstring::createRef(Super->getIdentifier()->getNameStart());
4087 case CXCursor_ObjCClassRef: {
4088 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
4089 return cxstring::createRef(Class->getIdentifier()->getNameStart());
4091 case CXCursor_ObjCProtocolRef: {
4092 const ObjCProtocolDecl *OID = getCursorObjCProtocolRef(C).first;
4093 assert(OID && "getCursorSpelling(): Missing protocol decl");
4094 return cxstring::createRef(OID->getIdentifier()->getNameStart());
4096 case CXCursor_CXXBaseSpecifier: {
4097 const CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
4098 return cxstring::createDup(B->getType().getAsString());
4100 case CXCursor_TypeRef: {
4101 const TypeDecl *Type = getCursorTypeRef(C).first;
4102 assert(Type && "Missing type decl");
4104 return cxstring::createDup(getCursorContext(C).getTypeDeclType(Type).
4107 case CXCursor_TemplateRef: {
4108 const TemplateDecl *Template = getCursorTemplateRef(C).first;
4109 assert(Template && "Missing template decl");
4111 return cxstring::createDup(Template->getNameAsString());
4114 case CXCursor_NamespaceRef: {
4115 const NamedDecl *NS = getCursorNamespaceRef(C).first;
4116 assert(NS && "Missing namespace decl");
4118 return cxstring::createDup(NS->getNameAsString());
4121 case CXCursor_MemberRef: {
4122 const FieldDecl *Field = getCursorMemberRef(C).first;
4123 assert(Field && "Missing member decl");
4125 return cxstring::createDup(Field->getNameAsString());
4128 case CXCursor_LabelRef: {
4129 const LabelStmt *Label = getCursorLabelRef(C).first;
4130 assert(Label && "Missing label");
4132 return cxstring::createRef(Label->getName());
4135 case CXCursor_OverloadedDeclRef: {
4136 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
4137 if (const Decl *D = Storage.dyn_cast<const Decl *>()) {
4138 if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
4139 return cxstring::createDup(ND->getNameAsString());
4140 return cxstring::createEmpty();
4142 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
4143 return cxstring::createDup(E->getName().getAsString());
4144 OverloadedTemplateStorage *Ovl
4145 = Storage.get<OverloadedTemplateStorage*>();
4146 if (Ovl->size() == 0)
4147 return cxstring::createEmpty();
4148 return cxstring::createDup((*Ovl->begin())->getNameAsString());
4151 case CXCursor_VariableRef: {
4152 const VarDecl *Var = getCursorVariableRef(C).first;
4153 assert(Var && "Missing variable decl");
4155 return cxstring::createDup(Var->getNameAsString());
4159 return cxstring::createRef("<not implemented>");
4163 if (clang_isExpression(C.kind)) {
4164 const Expr *E = getCursorExpr(C);
4166 if (C.kind == CXCursor_ObjCStringLiteral ||
4167 C.kind == CXCursor_StringLiteral) {
4168 const StringLiteral *SLit;
4169 if (const ObjCStringLiteral *OSL = dyn_cast<ObjCStringLiteral>(E)) {
4170 SLit = OSL->getString();
4172 SLit = cast<StringLiteral>(E);
4174 SmallString<256> Buf;
4175 llvm::raw_svector_ostream OS(Buf);
4176 SLit->outputString(OS);
4177 return cxstring::createDup(OS.str());
4180 const Decl *D = getDeclFromExpr(getCursorExpr(C));
4182 return getDeclSpelling(D);
4183 return cxstring::createEmpty();
4186 if (clang_isStatement(C.kind)) {
4187 const Stmt *S = getCursorStmt(C);
4188 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S))
4189 return cxstring::createRef(Label->getName());
4191 return cxstring::createEmpty();
4194 if (C.kind == CXCursor_MacroExpansion)
4195 return cxstring::createRef(getCursorMacroExpansion(C).getName()
4198 if (C.kind == CXCursor_MacroDefinition)
4199 return cxstring::createRef(getCursorMacroDefinition(C)->getName()
4202 if (C.kind == CXCursor_InclusionDirective)
4203 return cxstring::createDup(getCursorInclusionDirective(C)->getFileName());
4205 if (clang_isDeclaration(C.kind))
4206 return getDeclSpelling(getCursorDecl(C));
4208 if (C.kind == CXCursor_AnnotateAttr) {
4209 const AnnotateAttr *AA = cast<AnnotateAttr>(cxcursor::getCursorAttr(C));
4210 return cxstring::createDup(AA->getAnnotation());
4213 if (C.kind == CXCursor_AsmLabelAttr) {
4214 const AsmLabelAttr *AA = cast<AsmLabelAttr>(cxcursor::getCursorAttr(C));
4215 return cxstring::createDup(AA->getLabel());
4218 if (C.kind == CXCursor_PackedAttr) {
4219 return cxstring::createRef("packed");
4222 if (C.kind == CXCursor_VisibilityAttr) {
4223 const VisibilityAttr *AA = cast<VisibilityAttr>(cxcursor::getCursorAttr(C));
4224 switch (AA->getVisibility()) {
4225 case VisibilityAttr::VisibilityType::Default:
4226 return cxstring::createRef("default");
4227 case VisibilityAttr::VisibilityType::Hidden:
4228 return cxstring::createRef("hidden");
4229 case VisibilityAttr::VisibilityType::Protected:
4230 return cxstring::createRef("protected");
4232 llvm_unreachable("unknown visibility type");
4235 return cxstring::createEmpty();
4238 CXSourceRange clang_Cursor_getSpellingNameRange(CXCursor C,
4239 unsigned pieceIndex,
4241 if (clang_Cursor_isNull(C))
4242 return clang_getNullRange();
4244 ASTContext &Ctx = getCursorContext(C);
4246 if (clang_isStatement(C.kind)) {
4247 const Stmt *S = getCursorStmt(C);
4248 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S)) {
4250 return clang_getNullRange();
4251 return cxloc::translateSourceRange(Ctx, Label->getIdentLoc());
4254 return clang_getNullRange();
4257 if (C.kind == CXCursor_ObjCMessageExpr) {
4258 if (const ObjCMessageExpr *
4259 ME = dyn_cast_or_null<ObjCMessageExpr>(getCursorExpr(C))) {
4260 if (pieceIndex >= ME->getNumSelectorLocs())
4261 return clang_getNullRange();
4262 return cxloc::translateSourceRange(Ctx, ME->getSelectorLoc(pieceIndex));
4266 if (C.kind == CXCursor_ObjCInstanceMethodDecl ||
4267 C.kind == CXCursor_ObjCClassMethodDecl) {
4268 if (const ObjCMethodDecl *
4269 MD = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(C))) {
4270 if (pieceIndex >= MD->getNumSelectorLocs())
4271 return clang_getNullRange();
4272 return cxloc::translateSourceRange(Ctx, MD->getSelectorLoc(pieceIndex));
4276 if (C.kind == CXCursor_ObjCCategoryDecl ||
4277 C.kind == CXCursor_ObjCCategoryImplDecl) {
4279 return clang_getNullRange();
4280 if (const ObjCCategoryDecl *
4281 CD = dyn_cast_or_null<ObjCCategoryDecl>(getCursorDecl(C)))
4282 return cxloc::translateSourceRange(Ctx, CD->getCategoryNameLoc());
4283 if (const ObjCCategoryImplDecl *
4284 CID = dyn_cast_or_null<ObjCCategoryImplDecl>(getCursorDecl(C)))
4285 return cxloc::translateSourceRange(Ctx, CID->getCategoryNameLoc());
4288 if (C.kind == CXCursor_ModuleImportDecl) {
4290 return clang_getNullRange();
4291 if (const ImportDecl *ImportD =
4292 dyn_cast_or_null<ImportDecl>(getCursorDecl(C))) {
4293 ArrayRef<SourceLocation> Locs = ImportD->getIdentifierLocs();
4295 return cxloc::translateSourceRange(Ctx,
4296 SourceRange(Locs.front(), Locs.back()));
4298 return clang_getNullRange();
4301 if (C.kind == CXCursor_CXXMethod || C.kind == CXCursor_Destructor ||
4302 C.kind == CXCursor_ConversionFunction) {
4304 return clang_getNullRange();
4305 if (const FunctionDecl *FD =
4306 dyn_cast_or_null<FunctionDecl>(getCursorDecl(C))) {
4307 DeclarationNameInfo FunctionName = FD->getNameInfo();
4308 return cxloc::translateSourceRange(Ctx, FunctionName.getSourceRange());
4310 return clang_getNullRange();
4313 // FIXME: A CXCursor_InclusionDirective should give the location of the
4314 // filename, but we don't keep track of this.
4316 // FIXME: A CXCursor_AnnotateAttr should give the location of the annotation
4317 // but we don't keep track of this.
4319 // FIXME: A CXCursor_AsmLabelAttr should give the location of the label
4320 // but we don't keep track of this.
4322 // Default handling, give the location of the cursor.
4325 return clang_getNullRange();
4327 CXSourceLocation CXLoc = clang_getCursorLocation(C);
4328 SourceLocation Loc = cxloc::translateSourceLocation(CXLoc);
4329 return cxloc::translateSourceRange(Ctx, Loc);
4332 CXString clang_Cursor_getMangling(CXCursor C) {
4333 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
4334 return cxstring::createEmpty();
4336 // Mangling only works for functions and variables.
4337 const Decl *D = getCursorDecl(C);
4338 if (!D || !(isa<FunctionDecl>(D) || isa<VarDecl>(D)))
4339 return cxstring::createEmpty();
4341 ASTContext &Ctx = D->getASTContext();
4342 index::CodegenNameGenerator CGNameGen(Ctx);
4343 return cxstring::createDup(CGNameGen.getName(D));
4346 CXStringSet *clang_Cursor_getCXXManglings(CXCursor C) {
4347 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
4350 const Decl *D = getCursorDecl(C);
4351 if (!(isa<CXXRecordDecl>(D) || isa<CXXMethodDecl>(D)))
4354 ASTContext &Ctx = D->getASTContext();
4355 index::CodegenNameGenerator CGNameGen(Ctx);
4356 std::vector<std::string> Manglings = CGNameGen.getAllManglings(D);
4357 return cxstring::createSet(Manglings);
4360 CXString clang_getCursorDisplayName(CXCursor C) {
4361 if (!clang_isDeclaration(C.kind))
4362 return clang_getCursorSpelling(C);
4364 const Decl *D = getCursorDecl(C);
4366 return cxstring::createEmpty();
4368 PrintingPolicy Policy = getCursorContext(C).getPrintingPolicy();
4369 if (const FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(D))
4370 D = FunTmpl->getTemplatedDecl();
4372 if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
4373 SmallString<64> Str;
4374 llvm::raw_svector_ostream OS(Str);
4376 if (Function->getPrimaryTemplate())
4379 for (unsigned I = 0, N = Function->getNumParams(); I != N; ++I) {
4382 OS << Function->getParamDecl(I)->getType().getAsString(Policy);
4385 if (Function->isVariadic()) {
4386 if (Function->getNumParams())
4391 return cxstring::createDup(OS.str());
4394 if (const ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(D)) {
4395 SmallString<64> Str;
4396 llvm::raw_svector_ostream OS(Str);
4397 OS << *ClassTemplate;
4399 TemplateParameterList *Params = ClassTemplate->getTemplateParameters();
4400 for (unsigned I = 0, N = Params->size(); I != N; ++I) {
4404 NamedDecl *Param = Params->getParam(I);
4405 if (Param->getIdentifier()) {
4406 OS << Param->getIdentifier()->getName();
4410 // There is no parameter name, which makes this tricky. Try to come up
4411 // with something useful that isn't too long.
4412 if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Param))
4413 OS << (TTP->wasDeclaredWithTypename()? "typename" : "class");
4414 else if (NonTypeTemplateParmDecl *NTTP
4415 = dyn_cast<NonTypeTemplateParmDecl>(Param))
4416 OS << NTTP->getType().getAsString(Policy);
4418 OS << "template<...> class";
4422 return cxstring::createDup(OS.str());
4425 if (const ClassTemplateSpecializationDecl *ClassSpec
4426 = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
4427 // If the type was explicitly written, use that.
4428 if (TypeSourceInfo *TSInfo = ClassSpec->getTypeAsWritten())
4429 return cxstring::createDup(TSInfo->getType().getAsString(Policy));
4431 SmallString<128> Str;
4432 llvm::raw_svector_ostream OS(Str);
4434 TemplateSpecializationType::PrintTemplateArgumentList(OS,
4435 ClassSpec->getTemplateArgs().data(),
4436 ClassSpec->getTemplateArgs().size(),
4438 return cxstring::createDup(OS.str());
4441 return clang_getCursorSpelling(C);
4444 CXString clang_getCursorKindSpelling(enum CXCursorKind Kind) {
4446 case CXCursor_FunctionDecl:
4447 return cxstring::createRef("FunctionDecl");
4448 case CXCursor_TypedefDecl:
4449 return cxstring::createRef("TypedefDecl");
4450 case CXCursor_EnumDecl:
4451 return cxstring::createRef("EnumDecl");
4452 case CXCursor_EnumConstantDecl:
4453 return cxstring::createRef("EnumConstantDecl");
4454 case CXCursor_StructDecl:
4455 return cxstring::createRef("StructDecl");
4456 case CXCursor_UnionDecl:
4457 return cxstring::createRef("UnionDecl");
4458 case CXCursor_ClassDecl:
4459 return cxstring::createRef("ClassDecl");
4460 case CXCursor_FieldDecl:
4461 return cxstring::createRef("FieldDecl");
4462 case CXCursor_VarDecl:
4463 return cxstring::createRef("VarDecl");
4464 case CXCursor_ParmDecl:
4465 return cxstring::createRef("ParmDecl");
4466 case CXCursor_ObjCInterfaceDecl:
4467 return cxstring::createRef("ObjCInterfaceDecl");
4468 case CXCursor_ObjCCategoryDecl:
4469 return cxstring::createRef("ObjCCategoryDecl");
4470 case CXCursor_ObjCProtocolDecl:
4471 return cxstring::createRef("ObjCProtocolDecl");
4472 case CXCursor_ObjCPropertyDecl:
4473 return cxstring::createRef("ObjCPropertyDecl");
4474 case CXCursor_ObjCIvarDecl:
4475 return cxstring::createRef("ObjCIvarDecl");
4476 case CXCursor_ObjCInstanceMethodDecl:
4477 return cxstring::createRef("ObjCInstanceMethodDecl");
4478 case CXCursor_ObjCClassMethodDecl:
4479 return cxstring::createRef("ObjCClassMethodDecl");
4480 case CXCursor_ObjCImplementationDecl:
4481 return cxstring::createRef("ObjCImplementationDecl");
4482 case CXCursor_ObjCCategoryImplDecl:
4483 return cxstring::createRef("ObjCCategoryImplDecl");
4484 case CXCursor_CXXMethod:
4485 return cxstring::createRef("CXXMethod");
4486 case CXCursor_UnexposedDecl:
4487 return cxstring::createRef("UnexposedDecl");
4488 case CXCursor_ObjCSuperClassRef:
4489 return cxstring::createRef("ObjCSuperClassRef");
4490 case CXCursor_ObjCProtocolRef:
4491 return cxstring::createRef("ObjCProtocolRef");
4492 case CXCursor_ObjCClassRef:
4493 return cxstring::createRef("ObjCClassRef");
4494 case CXCursor_TypeRef:
4495 return cxstring::createRef("TypeRef");
4496 case CXCursor_TemplateRef:
4497 return cxstring::createRef("TemplateRef");
4498 case CXCursor_NamespaceRef:
4499 return cxstring::createRef("NamespaceRef");
4500 case CXCursor_MemberRef:
4501 return cxstring::createRef("MemberRef");
4502 case CXCursor_LabelRef:
4503 return cxstring::createRef("LabelRef");
4504 case CXCursor_OverloadedDeclRef:
4505 return cxstring::createRef("OverloadedDeclRef");
4506 case CXCursor_VariableRef:
4507 return cxstring::createRef("VariableRef");
4508 case CXCursor_IntegerLiteral:
4509 return cxstring::createRef("IntegerLiteral");
4510 case CXCursor_FloatingLiteral:
4511 return cxstring::createRef("FloatingLiteral");
4512 case CXCursor_ImaginaryLiteral:
4513 return cxstring::createRef("ImaginaryLiteral");
4514 case CXCursor_StringLiteral:
4515 return cxstring::createRef("StringLiteral");
4516 case CXCursor_CharacterLiteral:
4517 return cxstring::createRef("CharacterLiteral");
4518 case CXCursor_ParenExpr:
4519 return cxstring::createRef("ParenExpr");
4520 case CXCursor_UnaryOperator:
4521 return cxstring::createRef("UnaryOperator");
4522 case CXCursor_ArraySubscriptExpr:
4523 return cxstring::createRef("ArraySubscriptExpr");
4524 case CXCursor_OMPArraySectionExpr:
4525 return cxstring::createRef("OMPArraySectionExpr");
4526 case CXCursor_BinaryOperator:
4527 return cxstring::createRef("BinaryOperator");
4528 case CXCursor_CompoundAssignOperator:
4529 return cxstring::createRef("CompoundAssignOperator");
4530 case CXCursor_ConditionalOperator:
4531 return cxstring::createRef("ConditionalOperator");
4532 case CXCursor_CStyleCastExpr:
4533 return cxstring::createRef("CStyleCastExpr");
4534 case CXCursor_CompoundLiteralExpr:
4535 return cxstring::createRef("CompoundLiteralExpr");
4536 case CXCursor_InitListExpr:
4537 return cxstring::createRef("InitListExpr");
4538 case CXCursor_AddrLabelExpr:
4539 return cxstring::createRef("AddrLabelExpr");
4540 case CXCursor_StmtExpr:
4541 return cxstring::createRef("StmtExpr");
4542 case CXCursor_GenericSelectionExpr:
4543 return cxstring::createRef("GenericSelectionExpr");
4544 case CXCursor_GNUNullExpr:
4545 return cxstring::createRef("GNUNullExpr");
4546 case CXCursor_CXXStaticCastExpr:
4547 return cxstring::createRef("CXXStaticCastExpr");
4548 case CXCursor_CXXDynamicCastExpr:
4549 return cxstring::createRef("CXXDynamicCastExpr");
4550 case CXCursor_CXXReinterpretCastExpr:
4551 return cxstring::createRef("CXXReinterpretCastExpr");
4552 case CXCursor_CXXConstCastExpr:
4553 return cxstring::createRef("CXXConstCastExpr");
4554 case CXCursor_CXXFunctionalCastExpr:
4555 return cxstring::createRef("CXXFunctionalCastExpr");
4556 case CXCursor_CXXTypeidExpr:
4557 return cxstring::createRef("CXXTypeidExpr");
4558 case CXCursor_CXXBoolLiteralExpr:
4559 return cxstring::createRef("CXXBoolLiteralExpr");
4560 case CXCursor_CXXNullPtrLiteralExpr:
4561 return cxstring::createRef("CXXNullPtrLiteralExpr");
4562 case CXCursor_CXXThisExpr:
4563 return cxstring::createRef("CXXThisExpr");
4564 case CXCursor_CXXThrowExpr:
4565 return cxstring::createRef("CXXThrowExpr");
4566 case CXCursor_CXXNewExpr:
4567 return cxstring::createRef("CXXNewExpr");
4568 case CXCursor_CXXDeleteExpr:
4569 return cxstring::createRef("CXXDeleteExpr");
4570 case CXCursor_UnaryExpr:
4571 return cxstring::createRef("UnaryExpr");
4572 case CXCursor_ObjCStringLiteral:
4573 return cxstring::createRef("ObjCStringLiteral");
4574 case CXCursor_ObjCBoolLiteralExpr:
4575 return cxstring::createRef("ObjCBoolLiteralExpr");
4576 case CXCursor_ObjCSelfExpr:
4577 return cxstring::createRef("ObjCSelfExpr");
4578 case CXCursor_ObjCEncodeExpr:
4579 return cxstring::createRef("ObjCEncodeExpr");
4580 case CXCursor_ObjCSelectorExpr:
4581 return cxstring::createRef("ObjCSelectorExpr");
4582 case CXCursor_ObjCProtocolExpr:
4583 return cxstring::createRef("ObjCProtocolExpr");
4584 case CXCursor_ObjCBridgedCastExpr:
4585 return cxstring::createRef("ObjCBridgedCastExpr");
4586 case CXCursor_BlockExpr:
4587 return cxstring::createRef("BlockExpr");
4588 case CXCursor_PackExpansionExpr:
4589 return cxstring::createRef("PackExpansionExpr");
4590 case CXCursor_SizeOfPackExpr:
4591 return cxstring::createRef("SizeOfPackExpr");
4592 case CXCursor_LambdaExpr:
4593 return cxstring::createRef("LambdaExpr");
4594 case CXCursor_UnexposedExpr:
4595 return cxstring::createRef("UnexposedExpr");
4596 case CXCursor_DeclRefExpr:
4597 return cxstring::createRef("DeclRefExpr");
4598 case CXCursor_MemberRefExpr:
4599 return cxstring::createRef("MemberRefExpr");
4600 case CXCursor_CallExpr:
4601 return cxstring::createRef("CallExpr");
4602 case CXCursor_ObjCMessageExpr:
4603 return cxstring::createRef("ObjCMessageExpr");
4604 case CXCursor_UnexposedStmt:
4605 return cxstring::createRef("UnexposedStmt");
4606 case CXCursor_DeclStmt:
4607 return cxstring::createRef("DeclStmt");
4608 case CXCursor_LabelStmt:
4609 return cxstring::createRef("LabelStmt");
4610 case CXCursor_CompoundStmt:
4611 return cxstring::createRef("CompoundStmt");
4612 case CXCursor_CaseStmt:
4613 return cxstring::createRef("CaseStmt");
4614 case CXCursor_DefaultStmt:
4615 return cxstring::createRef("DefaultStmt");
4616 case CXCursor_IfStmt:
4617 return cxstring::createRef("IfStmt");
4618 case CXCursor_SwitchStmt:
4619 return cxstring::createRef("SwitchStmt");
4620 case CXCursor_WhileStmt:
4621 return cxstring::createRef("WhileStmt");
4622 case CXCursor_DoStmt:
4623 return cxstring::createRef("DoStmt");
4624 case CXCursor_ForStmt:
4625 return cxstring::createRef("ForStmt");
4626 case CXCursor_GotoStmt:
4627 return cxstring::createRef("GotoStmt");
4628 case CXCursor_IndirectGotoStmt:
4629 return cxstring::createRef("IndirectGotoStmt");
4630 case CXCursor_ContinueStmt:
4631 return cxstring::createRef("ContinueStmt");
4632 case CXCursor_BreakStmt:
4633 return cxstring::createRef("BreakStmt");
4634 case CXCursor_ReturnStmt:
4635 return cxstring::createRef("ReturnStmt");
4636 case CXCursor_GCCAsmStmt:
4637 return cxstring::createRef("GCCAsmStmt");
4638 case CXCursor_MSAsmStmt:
4639 return cxstring::createRef("MSAsmStmt");
4640 case CXCursor_ObjCAtTryStmt:
4641 return cxstring::createRef("ObjCAtTryStmt");
4642 case CXCursor_ObjCAtCatchStmt:
4643 return cxstring::createRef("ObjCAtCatchStmt");
4644 case CXCursor_ObjCAtFinallyStmt:
4645 return cxstring::createRef("ObjCAtFinallyStmt");
4646 case CXCursor_ObjCAtThrowStmt:
4647 return cxstring::createRef("ObjCAtThrowStmt");
4648 case CXCursor_ObjCAtSynchronizedStmt:
4649 return cxstring::createRef("ObjCAtSynchronizedStmt");
4650 case CXCursor_ObjCAutoreleasePoolStmt:
4651 return cxstring::createRef("ObjCAutoreleasePoolStmt");
4652 case CXCursor_ObjCForCollectionStmt:
4653 return cxstring::createRef("ObjCForCollectionStmt");
4654 case CXCursor_CXXCatchStmt:
4655 return cxstring::createRef("CXXCatchStmt");
4656 case CXCursor_CXXTryStmt:
4657 return cxstring::createRef("CXXTryStmt");
4658 case CXCursor_CXXForRangeStmt:
4659 return cxstring::createRef("CXXForRangeStmt");
4660 case CXCursor_SEHTryStmt:
4661 return cxstring::createRef("SEHTryStmt");
4662 case CXCursor_SEHExceptStmt:
4663 return cxstring::createRef("SEHExceptStmt");
4664 case CXCursor_SEHFinallyStmt:
4665 return cxstring::createRef("SEHFinallyStmt");
4666 case CXCursor_SEHLeaveStmt:
4667 return cxstring::createRef("SEHLeaveStmt");
4668 case CXCursor_NullStmt:
4669 return cxstring::createRef("NullStmt");
4670 case CXCursor_InvalidFile:
4671 return cxstring::createRef("InvalidFile");
4672 case CXCursor_InvalidCode:
4673 return cxstring::createRef("InvalidCode");
4674 case CXCursor_NoDeclFound:
4675 return cxstring::createRef("NoDeclFound");
4676 case CXCursor_NotImplemented:
4677 return cxstring::createRef("NotImplemented");
4678 case CXCursor_TranslationUnit:
4679 return cxstring::createRef("TranslationUnit");
4680 case CXCursor_UnexposedAttr:
4681 return cxstring::createRef("UnexposedAttr");
4682 case CXCursor_IBActionAttr:
4683 return cxstring::createRef("attribute(ibaction)");
4684 case CXCursor_IBOutletAttr:
4685 return cxstring::createRef("attribute(iboutlet)");
4686 case CXCursor_IBOutletCollectionAttr:
4687 return cxstring::createRef("attribute(iboutletcollection)");
4688 case CXCursor_CXXFinalAttr:
4689 return cxstring::createRef("attribute(final)");
4690 case CXCursor_CXXOverrideAttr:
4691 return cxstring::createRef("attribute(override)");
4692 case CXCursor_AnnotateAttr:
4693 return cxstring::createRef("attribute(annotate)");
4694 case CXCursor_AsmLabelAttr:
4695 return cxstring::createRef("asm label");
4696 case CXCursor_PackedAttr:
4697 return cxstring::createRef("attribute(packed)");
4698 case CXCursor_PureAttr:
4699 return cxstring::createRef("attribute(pure)");
4700 case CXCursor_ConstAttr:
4701 return cxstring::createRef("attribute(const)");
4702 case CXCursor_NoDuplicateAttr:
4703 return cxstring::createRef("attribute(noduplicate)");
4704 case CXCursor_CUDAConstantAttr:
4705 return cxstring::createRef("attribute(constant)");
4706 case CXCursor_CUDADeviceAttr:
4707 return cxstring::createRef("attribute(device)");
4708 case CXCursor_CUDAGlobalAttr:
4709 return cxstring::createRef("attribute(global)");
4710 case CXCursor_CUDAHostAttr:
4711 return cxstring::createRef("attribute(host)");
4712 case CXCursor_CUDASharedAttr:
4713 return cxstring::createRef("attribute(shared)");
4714 case CXCursor_VisibilityAttr:
4715 return cxstring::createRef("attribute(visibility)");
4716 case CXCursor_DLLExport:
4717 return cxstring::createRef("attribute(dllexport)");
4718 case CXCursor_DLLImport:
4719 return cxstring::createRef("attribute(dllimport)");
4720 case CXCursor_PreprocessingDirective:
4721 return cxstring::createRef("preprocessing directive");
4722 case CXCursor_MacroDefinition:
4723 return cxstring::createRef("macro definition");
4724 case CXCursor_MacroExpansion:
4725 return cxstring::createRef("macro expansion");
4726 case CXCursor_InclusionDirective:
4727 return cxstring::createRef("inclusion directive");
4728 case CXCursor_Namespace:
4729 return cxstring::createRef("Namespace");
4730 case CXCursor_LinkageSpec:
4731 return cxstring::createRef("LinkageSpec");
4732 case CXCursor_CXXBaseSpecifier:
4733 return cxstring::createRef("C++ base class specifier");
4734 case CXCursor_Constructor:
4735 return cxstring::createRef("CXXConstructor");
4736 case CXCursor_Destructor:
4737 return cxstring::createRef("CXXDestructor");
4738 case CXCursor_ConversionFunction:
4739 return cxstring::createRef("CXXConversion");
4740 case CXCursor_TemplateTypeParameter:
4741 return cxstring::createRef("TemplateTypeParameter");
4742 case CXCursor_NonTypeTemplateParameter:
4743 return cxstring::createRef("NonTypeTemplateParameter");
4744 case CXCursor_TemplateTemplateParameter:
4745 return cxstring::createRef("TemplateTemplateParameter");
4746 case CXCursor_FunctionTemplate:
4747 return cxstring::createRef("FunctionTemplate");
4748 case CXCursor_ClassTemplate:
4749 return cxstring::createRef("ClassTemplate");
4750 case CXCursor_ClassTemplatePartialSpecialization:
4751 return cxstring::createRef("ClassTemplatePartialSpecialization");
4752 case CXCursor_NamespaceAlias:
4753 return cxstring::createRef("NamespaceAlias");
4754 case CXCursor_UsingDirective:
4755 return cxstring::createRef("UsingDirective");
4756 case CXCursor_UsingDeclaration:
4757 return cxstring::createRef("UsingDeclaration");
4758 case CXCursor_TypeAliasDecl:
4759 return cxstring::createRef("TypeAliasDecl");
4760 case CXCursor_ObjCSynthesizeDecl:
4761 return cxstring::createRef("ObjCSynthesizeDecl");
4762 case CXCursor_ObjCDynamicDecl:
4763 return cxstring::createRef("ObjCDynamicDecl");
4764 case CXCursor_CXXAccessSpecifier:
4765 return cxstring::createRef("CXXAccessSpecifier");
4766 case CXCursor_ModuleImportDecl:
4767 return cxstring::createRef("ModuleImport");
4768 case CXCursor_OMPParallelDirective:
4769 return cxstring::createRef("OMPParallelDirective");
4770 case CXCursor_OMPSimdDirective:
4771 return cxstring::createRef("OMPSimdDirective");
4772 case CXCursor_OMPForDirective:
4773 return cxstring::createRef("OMPForDirective");
4774 case CXCursor_OMPForSimdDirective:
4775 return cxstring::createRef("OMPForSimdDirective");
4776 case CXCursor_OMPSectionsDirective:
4777 return cxstring::createRef("OMPSectionsDirective");
4778 case CXCursor_OMPSectionDirective:
4779 return cxstring::createRef("OMPSectionDirective");
4780 case CXCursor_OMPSingleDirective:
4781 return cxstring::createRef("OMPSingleDirective");
4782 case CXCursor_OMPMasterDirective:
4783 return cxstring::createRef("OMPMasterDirective");
4784 case CXCursor_OMPCriticalDirective:
4785 return cxstring::createRef("OMPCriticalDirective");
4786 case CXCursor_OMPParallelForDirective:
4787 return cxstring::createRef("OMPParallelForDirective");
4788 case CXCursor_OMPParallelForSimdDirective:
4789 return cxstring::createRef("OMPParallelForSimdDirective");
4790 case CXCursor_OMPParallelSectionsDirective:
4791 return cxstring::createRef("OMPParallelSectionsDirective");
4792 case CXCursor_OMPTaskDirective:
4793 return cxstring::createRef("OMPTaskDirective");
4794 case CXCursor_OMPTaskyieldDirective:
4795 return cxstring::createRef("OMPTaskyieldDirective");
4796 case CXCursor_OMPBarrierDirective:
4797 return cxstring::createRef("OMPBarrierDirective");
4798 case CXCursor_OMPTaskwaitDirective:
4799 return cxstring::createRef("OMPTaskwaitDirective");
4800 case CXCursor_OMPTaskgroupDirective:
4801 return cxstring::createRef("OMPTaskgroupDirective");
4802 case CXCursor_OMPFlushDirective:
4803 return cxstring::createRef("OMPFlushDirective");
4804 case CXCursor_OMPOrderedDirective:
4805 return cxstring::createRef("OMPOrderedDirective");
4806 case CXCursor_OMPAtomicDirective:
4807 return cxstring::createRef("OMPAtomicDirective");
4808 case CXCursor_OMPTargetDirective:
4809 return cxstring::createRef("OMPTargetDirective");
4810 case CXCursor_OMPTargetDataDirective:
4811 return cxstring::createRef("OMPTargetDataDirective");
4812 case CXCursor_OMPTargetEnterDataDirective:
4813 return cxstring::createRef("OMPTargetEnterDataDirective");
4814 case CXCursor_OMPTargetExitDataDirective:
4815 return cxstring::createRef("OMPTargetExitDataDirective");
4816 case CXCursor_OMPTargetParallelDirective:
4817 return cxstring::createRef("OMPTargetParallelDirective");
4818 case CXCursor_OMPTargetParallelForDirective:
4819 return cxstring::createRef("OMPTargetParallelForDirective");
4820 case CXCursor_OMPTeamsDirective:
4821 return cxstring::createRef("OMPTeamsDirective");
4822 case CXCursor_OMPCancellationPointDirective:
4823 return cxstring::createRef("OMPCancellationPointDirective");
4824 case CXCursor_OMPCancelDirective:
4825 return cxstring::createRef("OMPCancelDirective");
4826 case CXCursor_OMPTaskLoopDirective:
4827 return cxstring::createRef("OMPTaskLoopDirective");
4828 case CXCursor_OMPTaskLoopSimdDirective:
4829 return cxstring::createRef("OMPTaskLoopSimdDirective");
4830 case CXCursor_OMPDistributeDirective:
4831 return cxstring::createRef("OMPDistributeDirective");
4832 case CXCursor_OverloadCandidate:
4833 return cxstring::createRef("OverloadCandidate");
4834 case CXCursor_TypeAliasTemplateDecl:
4835 return cxstring::createRef("TypeAliasTemplateDecl");
4838 llvm_unreachable("Unhandled CXCursorKind");
4841 struct GetCursorData {
4842 SourceLocation TokenBeginLoc;
4843 bool PointsAtMacroArgExpansion;
4844 bool VisitedObjCPropertyImplDecl;
4845 SourceLocation VisitedDeclaratorDeclStartLoc;
4846 CXCursor &BestCursor;
4848 GetCursorData(SourceManager &SM,
4849 SourceLocation tokenBegin, CXCursor &outputCursor)
4850 : TokenBeginLoc(tokenBegin), BestCursor(outputCursor) {
4851 PointsAtMacroArgExpansion = SM.isMacroArgExpansion(tokenBegin);
4852 VisitedObjCPropertyImplDecl = false;
4856 static enum CXChildVisitResult GetCursorVisitor(CXCursor cursor,
4858 CXClientData client_data) {
4859 GetCursorData *Data = static_cast<GetCursorData *>(client_data);
4860 CXCursor *BestCursor = &Data->BestCursor;
4862 // If we point inside a macro argument we should provide info of what the
4863 // token is so use the actual cursor, don't replace it with a macro expansion
4865 if (cursor.kind == CXCursor_MacroExpansion && Data->PointsAtMacroArgExpansion)
4866 return CXChildVisit_Recurse;
4868 if (clang_isDeclaration(cursor.kind)) {
4869 // Avoid having the implicit methods override the property decls.
4870 if (const ObjCMethodDecl *MD
4871 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
4872 if (MD->isImplicit())
4873 return CXChildVisit_Break;
4875 } else if (const ObjCInterfaceDecl *ID
4876 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(cursor))) {
4877 // Check that when we have multiple @class references in the same line,
4878 // that later ones do not override the previous ones.
4881 // source ranges for both start at '@', so 'Bar' will end up overriding
4882 // 'Foo' even though the cursor location was at 'Foo'.
4883 if (BestCursor->kind == CXCursor_ObjCInterfaceDecl ||
4884 BestCursor->kind == CXCursor_ObjCClassRef)
4885 if (const ObjCInterfaceDecl *PrevID
4886 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(*BestCursor))){
4888 !PrevID->isThisDeclarationADefinition() &&
4889 !ID->isThisDeclarationADefinition())
4890 return CXChildVisit_Break;
4893 } else if (const DeclaratorDecl *DD
4894 = dyn_cast_or_null<DeclaratorDecl>(getCursorDecl(cursor))) {
4895 SourceLocation StartLoc = DD->getSourceRange().getBegin();
4896 // Check that when we have multiple declarators in the same line,
4897 // that later ones do not override the previous ones.
4900 // source ranges for both start at 'int', so 'Bar' will end up overriding
4901 // 'Foo' even though the cursor location was at 'Foo'.
4902 if (Data->VisitedDeclaratorDeclStartLoc == StartLoc)
4903 return CXChildVisit_Break;
4904 Data->VisitedDeclaratorDeclStartLoc = StartLoc;
4906 } else if (const ObjCPropertyImplDecl *PropImp
4907 = dyn_cast_or_null<ObjCPropertyImplDecl>(getCursorDecl(cursor))) {
4909 // Check that when we have multiple @synthesize in the same line,
4910 // that later ones do not override the previous ones.
4912 // @synthesize Foo, Bar;
4913 // source ranges for both start at '@', so 'Bar' will end up overriding
4914 // 'Foo' even though the cursor location was at 'Foo'.
4915 if (Data->VisitedObjCPropertyImplDecl)
4916 return CXChildVisit_Break;
4917 Data->VisitedObjCPropertyImplDecl = true;
4921 if (clang_isExpression(cursor.kind) &&
4922 clang_isDeclaration(BestCursor->kind)) {
4923 if (const Decl *D = getCursorDecl(*BestCursor)) {
4924 // Avoid having the cursor of an expression replace the declaration cursor
4925 // when the expression source range overlaps the declaration range.
4926 // This can happen for C++ constructor expressions whose range generally
4927 // include the variable declaration, e.g.:
4928 // MyCXXClass foo; // Make sure pointing at 'foo' returns a VarDecl cursor.
4929 if (D->getLocation().isValid() && Data->TokenBeginLoc.isValid() &&
4930 D->getLocation() == Data->TokenBeginLoc)
4931 return CXChildVisit_Break;
4935 // If our current best cursor is the construction of a temporary object,
4936 // don't replace that cursor with a type reference, because we want
4937 // clang_getCursor() to point at the constructor.
4938 if (clang_isExpression(BestCursor->kind) &&
4939 isa<CXXTemporaryObjectExpr>(getCursorExpr(*BestCursor)) &&
4940 cursor.kind == CXCursor_TypeRef) {
4941 // Keep the cursor pointing at CXXTemporaryObjectExpr but also mark it
4942 // as having the actual point on the type reference.
4943 *BestCursor = getTypeRefedCallExprCursor(*BestCursor);
4944 return CXChildVisit_Recurse;
4947 // If we already have an Objective-C superclass reference, don't
4948 // update it further.
4949 if (BestCursor->kind == CXCursor_ObjCSuperClassRef)
4950 return CXChildVisit_Break;
4952 *BestCursor = cursor;
4953 return CXChildVisit_Recurse;
4956 CXCursor clang_getCursor(CXTranslationUnit TU, CXSourceLocation Loc) {
4957 if (isNotUsableTU(TU)) {
4959 return clang_getNullCursor();
4962 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4963 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
4965 SourceLocation SLoc = cxloc::translateSourceLocation(Loc);
4966 CXCursor Result = cxcursor::getCursor(TU, SLoc);
4970 unsigned SearchLine, SearchColumn;
4972 unsigned ResultLine, ResultColumn;
4973 CXString SearchFileName, ResultFileName, KindSpelling, USR;
4974 const char *IsDef = clang_isCursorDefinition(Result)? " (Definition)" : "";
4975 CXSourceLocation ResultLoc = clang_getCursorLocation(Result);
4977 clang_getFileLocation(Loc, &SearchFile, &SearchLine, &SearchColumn,
4979 clang_getFileLocation(ResultLoc, &ResultFile, &ResultLine,
4980 &ResultColumn, nullptr);
4981 SearchFileName = clang_getFileName(SearchFile);
4982 ResultFileName = clang_getFileName(ResultFile);
4983 KindSpelling = clang_getCursorKindSpelling(Result.kind);
4984 USR = clang_getCursorUSR(Result);
4985 *Log << llvm::format("(%s:%d:%d) = %s",
4986 clang_getCString(SearchFileName), SearchLine, SearchColumn,
4987 clang_getCString(KindSpelling))
4988 << llvm::format("(%s:%d:%d):%s%s",
4989 clang_getCString(ResultFileName), ResultLine, ResultColumn,
4990 clang_getCString(USR), IsDef);
4991 clang_disposeString(SearchFileName);
4992 clang_disposeString(ResultFileName);
4993 clang_disposeString(KindSpelling);
4994 clang_disposeString(USR);
4996 CXCursor Definition = clang_getCursorDefinition(Result);
4997 if (!clang_equalCursors(Definition, clang_getNullCursor())) {
4998 CXSourceLocation DefinitionLoc = clang_getCursorLocation(Definition);
4999 CXString DefinitionKindSpelling
5000 = clang_getCursorKindSpelling(Definition.kind);
5001 CXFile DefinitionFile;
5002 unsigned DefinitionLine, DefinitionColumn;
5003 clang_getFileLocation(DefinitionLoc, &DefinitionFile,
5004 &DefinitionLine, &DefinitionColumn, nullptr);
5005 CXString DefinitionFileName = clang_getFileName(DefinitionFile);
5006 *Log << llvm::format(" -> %s(%s:%d:%d)",
5007 clang_getCString(DefinitionKindSpelling),
5008 clang_getCString(DefinitionFileName),
5009 DefinitionLine, DefinitionColumn);
5010 clang_disposeString(DefinitionFileName);
5011 clang_disposeString(DefinitionKindSpelling);
5018 CXCursor clang_getNullCursor(void) {
5019 return MakeCXCursorInvalid(CXCursor_InvalidFile);
5022 unsigned clang_equalCursors(CXCursor X, CXCursor Y) {
5023 // Clear out the "FirstInDeclGroup" part in a declaration cursor, since we
5024 // can't set consistently. For example, when visiting a DeclStmt we will set
5025 // it but we don't set it on the result of clang_getCursorDefinition for
5026 // a reference of the same declaration.
5027 // FIXME: Setting "FirstInDeclGroup" in CXCursors is a hack that only works
5028 // when visiting a DeclStmt currently, the AST should be enhanced to be able
5029 // to provide that kind of info.
5030 if (clang_isDeclaration(X.kind))
5031 X.data[1] = nullptr;
5032 if (clang_isDeclaration(Y.kind))
5033 Y.data[1] = nullptr;
5038 unsigned clang_hashCursor(CXCursor C) {
5040 if (clang_isExpression(C.kind) || clang_isStatement(C.kind))
5043 return llvm::DenseMapInfo<std::pair<unsigned, const void*> >::getHashValue(
5044 std::make_pair(C.kind, C.data[Index]));
5047 unsigned clang_isInvalid(enum CXCursorKind K) {
5048 return K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid;
5051 unsigned clang_isDeclaration(enum CXCursorKind K) {
5052 return (K >= CXCursor_FirstDecl && K <= CXCursor_LastDecl) ||
5053 (K >= CXCursor_FirstExtraDecl && K <= CXCursor_LastExtraDecl);
5056 unsigned clang_isReference(enum CXCursorKind K) {
5057 return K >= CXCursor_FirstRef && K <= CXCursor_LastRef;
5060 unsigned clang_isExpression(enum CXCursorKind K) {
5061 return K >= CXCursor_FirstExpr && K <= CXCursor_LastExpr;
5064 unsigned clang_isStatement(enum CXCursorKind K) {
5065 return K >= CXCursor_FirstStmt && K <= CXCursor_LastStmt;
5068 unsigned clang_isAttribute(enum CXCursorKind K) {
5069 return K >= CXCursor_FirstAttr && K <= CXCursor_LastAttr;
5072 unsigned clang_isTranslationUnit(enum CXCursorKind K) {
5073 return K == CXCursor_TranslationUnit;
5076 unsigned clang_isPreprocessing(enum CXCursorKind K) {
5077 return K >= CXCursor_FirstPreprocessing && K <= CXCursor_LastPreprocessing;
5080 unsigned clang_isUnexposed(enum CXCursorKind K) {
5082 case CXCursor_UnexposedDecl:
5083 case CXCursor_UnexposedExpr:
5084 case CXCursor_UnexposedStmt:
5085 case CXCursor_UnexposedAttr:
5092 CXCursorKind clang_getCursorKind(CXCursor C) {
5096 CXSourceLocation clang_getCursorLocation(CXCursor C) {
5097 if (clang_isReference(C.kind)) {
5099 case CXCursor_ObjCSuperClassRef: {
5100 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
5101 = getCursorObjCSuperClassRef(C);
5102 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5105 case CXCursor_ObjCProtocolRef: {
5106 std::pair<const ObjCProtocolDecl *, SourceLocation> P
5107 = getCursorObjCProtocolRef(C);
5108 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5111 case CXCursor_ObjCClassRef: {
5112 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
5113 = getCursorObjCClassRef(C);
5114 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5117 case CXCursor_TypeRef: {
5118 std::pair<const TypeDecl *, SourceLocation> P = getCursorTypeRef(C);
5119 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5122 case CXCursor_TemplateRef: {
5123 std::pair<const TemplateDecl *, SourceLocation> P =
5124 getCursorTemplateRef(C);
5125 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5128 case CXCursor_NamespaceRef: {
5129 std::pair<const NamedDecl *, SourceLocation> P = getCursorNamespaceRef(C);
5130 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5133 case CXCursor_MemberRef: {
5134 std::pair<const FieldDecl *, SourceLocation> P = getCursorMemberRef(C);
5135 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5138 case CXCursor_VariableRef: {
5139 std::pair<const VarDecl *, SourceLocation> P = getCursorVariableRef(C);
5140 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5143 case CXCursor_CXXBaseSpecifier: {
5144 const CXXBaseSpecifier *BaseSpec = getCursorCXXBaseSpecifier(C);
5146 return clang_getNullLocation();
5148 if (TypeSourceInfo *TSInfo = BaseSpec->getTypeSourceInfo())
5149 return cxloc::translateSourceLocation(getCursorContext(C),
5150 TSInfo->getTypeLoc().getBeginLoc());
5152 return cxloc::translateSourceLocation(getCursorContext(C),
5153 BaseSpec->getLocStart());
5156 case CXCursor_LabelRef: {
5157 std::pair<const LabelStmt *, SourceLocation> P = getCursorLabelRef(C);
5158 return cxloc::translateSourceLocation(getCursorContext(C), P.second);
5161 case CXCursor_OverloadedDeclRef:
5162 return cxloc::translateSourceLocation(getCursorContext(C),
5163 getCursorOverloadedDeclRef(C).second);
5166 // FIXME: Need a way to enumerate all non-reference cases.
5167 llvm_unreachable("Missed a reference kind");
5171 if (clang_isExpression(C.kind))
5172 return cxloc::translateSourceLocation(getCursorContext(C),
5173 getLocationFromExpr(getCursorExpr(C)));
5175 if (clang_isStatement(C.kind))
5176 return cxloc::translateSourceLocation(getCursorContext(C),
5177 getCursorStmt(C)->getLocStart());
5179 if (C.kind == CXCursor_PreprocessingDirective) {
5180 SourceLocation L = cxcursor::getCursorPreprocessingDirective(C).getBegin();
5181 return cxloc::translateSourceLocation(getCursorContext(C), L);
5184 if (C.kind == CXCursor_MacroExpansion) {
5186 = cxcursor::getCursorMacroExpansion(C).getSourceRange().getBegin();
5187 return cxloc::translateSourceLocation(getCursorContext(C), L);
5190 if (C.kind == CXCursor_MacroDefinition) {
5191 SourceLocation L = cxcursor::getCursorMacroDefinition(C)->getLocation();
5192 return cxloc::translateSourceLocation(getCursorContext(C), L);
5195 if (C.kind == CXCursor_InclusionDirective) {
5197 = cxcursor::getCursorInclusionDirective(C)->getSourceRange().getBegin();
5198 return cxloc::translateSourceLocation(getCursorContext(C), L);
5201 if (clang_isAttribute(C.kind)) {
5203 = cxcursor::getCursorAttr(C)->getLocation();
5204 return cxloc::translateSourceLocation(getCursorContext(C), L);
5207 if (!clang_isDeclaration(C.kind))
5208 return clang_getNullLocation();
5210 const Decl *D = getCursorDecl(C);
5212 return clang_getNullLocation();
5214 SourceLocation Loc = D->getLocation();
5215 // FIXME: Multiple variables declared in a single declaration
5216 // currently lack the information needed to correctly determine their
5217 // ranges when accounting for the type-specifier. We use context
5218 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5219 // and if so, whether it is the first decl.
5220 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5221 if (!cxcursor::isFirstInDeclGroup(C))
5222 Loc = VD->getLocation();
5225 // For ObjC methods, give the start location of the method name.
5226 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
5227 Loc = MD->getSelectorStartLoc();
5229 return cxloc::translateSourceLocation(getCursorContext(C), Loc);
5234 CXCursor cxcursor::getCursor(CXTranslationUnit TU, SourceLocation SLoc) {
5237 // Guard against an invalid SourceLocation, or we may assert in one
5238 // of the following calls.
5239 if (SLoc.isInvalid())
5240 return clang_getNullCursor();
5242 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5244 // Translate the given source location to make it point at the beginning of
5245 // the token under the cursor.
5246 SLoc = Lexer::GetBeginningOfToken(SLoc, CXXUnit->getSourceManager(),
5247 CXXUnit->getASTContext().getLangOpts());
5249 CXCursor Result = MakeCXCursorInvalid(CXCursor_NoDeclFound);
5250 if (SLoc.isValid()) {
5251 GetCursorData ResultData(CXXUnit->getSourceManager(), SLoc, Result);
5252 CursorVisitor CursorVis(TU, GetCursorVisitor, &ResultData,
5253 /*VisitPreprocessorLast=*/true,
5254 /*VisitIncludedEntities=*/false,
5255 SourceLocation(SLoc));
5256 CursorVis.visitFileRegion();
5262 static SourceRange getRawCursorExtent(CXCursor C) {
5263 if (clang_isReference(C.kind)) {
5265 case CXCursor_ObjCSuperClassRef:
5266 return getCursorObjCSuperClassRef(C).second;
5268 case CXCursor_ObjCProtocolRef:
5269 return getCursorObjCProtocolRef(C).second;
5271 case CXCursor_ObjCClassRef:
5272 return getCursorObjCClassRef(C).second;
5274 case CXCursor_TypeRef:
5275 return getCursorTypeRef(C).second;
5277 case CXCursor_TemplateRef:
5278 return getCursorTemplateRef(C).second;
5280 case CXCursor_NamespaceRef:
5281 return getCursorNamespaceRef(C).second;
5283 case CXCursor_MemberRef:
5284 return getCursorMemberRef(C).second;
5286 case CXCursor_CXXBaseSpecifier:
5287 return getCursorCXXBaseSpecifier(C)->getSourceRange();
5289 case CXCursor_LabelRef:
5290 return getCursorLabelRef(C).second;
5292 case CXCursor_OverloadedDeclRef:
5293 return getCursorOverloadedDeclRef(C).second;
5295 case CXCursor_VariableRef:
5296 return getCursorVariableRef(C).second;
5299 // FIXME: Need a way to enumerate all non-reference cases.
5300 llvm_unreachable("Missed a reference kind");
5304 if (clang_isExpression(C.kind))
5305 return getCursorExpr(C)->getSourceRange();
5307 if (clang_isStatement(C.kind))
5308 return getCursorStmt(C)->getSourceRange();
5310 if (clang_isAttribute(C.kind))
5311 return getCursorAttr(C)->getRange();
5313 if (C.kind == CXCursor_PreprocessingDirective)
5314 return cxcursor::getCursorPreprocessingDirective(C);
5316 if (C.kind == CXCursor_MacroExpansion) {
5317 ASTUnit *TU = getCursorASTUnit(C);
5318 SourceRange Range = cxcursor::getCursorMacroExpansion(C).getSourceRange();
5319 return TU->mapRangeFromPreamble(Range);
5322 if (C.kind == CXCursor_MacroDefinition) {
5323 ASTUnit *TU = getCursorASTUnit(C);
5324 SourceRange Range = cxcursor::getCursorMacroDefinition(C)->getSourceRange();
5325 return TU->mapRangeFromPreamble(Range);
5328 if (C.kind == CXCursor_InclusionDirective) {
5329 ASTUnit *TU = getCursorASTUnit(C);
5330 SourceRange Range = cxcursor::getCursorInclusionDirective(C)->getSourceRange();
5331 return TU->mapRangeFromPreamble(Range);
5334 if (C.kind == CXCursor_TranslationUnit) {
5335 ASTUnit *TU = getCursorASTUnit(C);
5336 FileID MainID = TU->getSourceManager().getMainFileID();
5337 SourceLocation Start = TU->getSourceManager().getLocForStartOfFile(MainID);
5338 SourceLocation End = TU->getSourceManager().getLocForEndOfFile(MainID);
5339 return SourceRange(Start, End);
5342 if (clang_isDeclaration(C.kind)) {
5343 const Decl *D = cxcursor::getCursorDecl(C);
5345 return SourceRange();
5347 SourceRange R = D->getSourceRange();
5348 // FIXME: Multiple variables declared in a single declaration
5349 // currently lack the information needed to correctly determine their
5350 // ranges when accounting for the type-specifier. We use context
5351 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5352 // and if so, whether it is the first decl.
5353 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5354 if (!cxcursor::isFirstInDeclGroup(C))
5355 R.setBegin(VD->getLocation());
5359 return SourceRange();
5362 /// \brief Retrieves the "raw" cursor extent, which is then extended to include
5363 /// the decl-specifier-seq for declarations.
5364 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr) {
5365 if (clang_isDeclaration(C.kind)) {
5366 const Decl *D = cxcursor::getCursorDecl(C);
5368 return SourceRange();
5370 SourceRange R = D->getSourceRange();
5372 // Adjust the start of the location for declarations preceded by
5373 // declaration specifiers.
5374 SourceLocation StartLoc;
5375 if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
5376 if (TypeSourceInfo *TI = DD->getTypeSourceInfo())
5377 StartLoc = TI->getTypeLoc().getLocStart();
5378 } else if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(D)) {
5379 if (TypeSourceInfo *TI = Typedef->getTypeSourceInfo())
5380 StartLoc = TI->getTypeLoc().getLocStart();
5383 if (StartLoc.isValid() && R.getBegin().isValid() &&
5384 SrcMgr.isBeforeInTranslationUnit(StartLoc, R.getBegin()))
5385 R.setBegin(StartLoc);
5387 // FIXME: Multiple variables declared in a single declaration
5388 // currently lack the information needed to correctly determine their
5389 // ranges when accounting for the type-specifier. We use context
5390 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5391 // and if so, whether it is the first decl.
5392 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5393 if (!cxcursor::isFirstInDeclGroup(C))
5394 R.setBegin(VD->getLocation());
5400 return getRawCursorExtent(C);
5405 CXSourceRange clang_getCursorExtent(CXCursor C) {
5406 SourceRange R = getRawCursorExtent(C);
5408 return clang_getNullRange();
5410 return cxloc::translateSourceRange(getCursorContext(C), R);
5413 CXCursor clang_getCursorReferenced(CXCursor C) {
5414 if (clang_isInvalid(C.kind))
5415 return clang_getNullCursor();
5417 CXTranslationUnit tu = getCursorTU(C);
5418 if (clang_isDeclaration(C.kind)) {
5419 const Decl *D = getCursorDecl(C);
5421 return clang_getNullCursor();
5422 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5423 return MakeCursorOverloadedDeclRef(Using, D->getLocation(), tu);
5424 if (const ObjCPropertyImplDecl *PropImpl =
5425 dyn_cast<ObjCPropertyImplDecl>(D))
5426 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
5427 return MakeCXCursor(Property, tu);
5432 if (clang_isExpression(C.kind)) {
5433 const Expr *E = getCursorExpr(C);
5434 const Decl *D = getDeclFromExpr(E);
5436 CXCursor declCursor = MakeCXCursor(D, tu);
5437 declCursor = getSelectorIdentifierCursor(getSelectorIdentifierIndex(C),
5442 if (const OverloadExpr *Ovl = dyn_cast_or_null<OverloadExpr>(E))
5443 return MakeCursorOverloadedDeclRef(Ovl, tu);
5445 return clang_getNullCursor();
5448 if (clang_isStatement(C.kind)) {
5449 const Stmt *S = getCursorStmt(C);
5450 if (const GotoStmt *Goto = dyn_cast_or_null<GotoStmt>(S))
5451 if (LabelDecl *label = Goto->getLabel())
5452 if (LabelStmt *labelS = label->getStmt())
5453 return MakeCXCursor(labelS, getCursorDecl(C), tu);
5455 return clang_getNullCursor();
5458 if (C.kind == CXCursor_MacroExpansion) {
5459 if (const MacroDefinitionRecord *Def =
5460 getCursorMacroExpansion(C).getDefinition())
5461 return MakeMacroDefinitionCursor(Def, tu);
5464 if (!clang_isReference(C.kind))
5465 return clang_getNullCursor();
5468 case CXCursor_ObjCSuperClassRef:
5469 return MakeCXCursor(getCursorObjCSuperClassRef(C).first, tu);
5471 case CXCursor_ObjCProtocolRef: {
5472 const ObjCProtocolDecl *Prot = getCursorObjCProtocolRef(C).first;
5473 if (const ObjCProtocolDecl *Def = Prot->getDefinition())
5474 return MakeCXCursor(Def, tu);
5476 return MakeCXCursor(Prot, tu);
5479 case CXCursor_ObjCClassRef: {
5480 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
5481 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5482 return MakeCXCursor(Def, tu);
5484 return MakeCXCursor(Class, tu);
5487 case CXCursor_TypeRef:
5488 return MakeCXCursor(getCursorTypeRef(C).first, tu );
5490 case CXCursor_TemplateRef:
5491 return MakeCXCursor(getCursorTemplateRef(C).first, tu );
5493 case CXCursor_NamespaceRef:
5494 return MakeCXCursor(getCursorNamespaceRef(C).first, tu );
5496 case CXCursor_MemberRef:
5497 return MakeCXCursor(getCursorMemberRef(C).first, tu );
5499 case CXCursor_CXXBaseSpecifier: {
5500 const CXXBaseSpecifier *B = cxcursor::getCursorCXXBaseSpecifier(C);
5501 return clang_getTypeDeclaration(cxtype::MakeCXType(B->getType(),
5505 case CXCursor_LabelRef:
5506 // FIXME: We end up faking the "parent" declaration here because we
5507 // don't want to make CXCursor larger.
5508 return MakeCXCursor(getCursorLabelRef(C).first,
5509 cxtu::getASTUnit(tu)->getASTContext()
5510 .getTranslationUnitDecl(),
5513 case CXCursor_OverloadedDeclRef:
5516 case CXCursor_VariableRef:
5517 return MakeCXCursor(getCursorVariableRef(C).first, tu);
5520 // We would prefer to enumerate all non-reference cursor kinds here.
5521 llvm_unreachable("Unhandled reference cursor kind");
5525 CXCursor clang_getCursorDefinition(CXCursor C) {
5526 if (clang_isInvalid(C.kind))
5527 return clang_getNullCursor();
5529 CXTranslationUnit TU = getCursorTU(C);
5531 bool WasReference = false;
5532 if (clang_isReference(C.kind) || clang_isExpression(C.kind)) {
5533 C = clang_getCursorReferenced(C);
5534 WasReference = true;
5537 if (C.kind == CXCursor_MacroExpansion)
5538 return clang_getCursorReferenced(C);
5540 if (!clang_isDeclaration(C.kind))
5541 return clang_getNullCursor();
5543 const Decl *D = getCursorDecl(C);
5545 return clang_getNullCursor();
5547 switch (D->getKind()) {
5548 // Declaration kinds that don't really separate the notions of
5549 // declaration and definition.
5550 case Decl::Namespace:
5552 case Decl::TypeAlias:
5553 case Decl::TypeAliasTemplate:
5554 case Decl::TemplateTypeParm:
5555 case Decl::EnumConstant:
5557 case Decl::MSProperty:
5558 case Decl::IndirectField:
5559 case Decl::ObjCIvar:
5560 case Decl::ObjCAtDefsField:
5561 case Decl::ImplicitParam:
5563 case Decl::NonTypeTemplateParm:
5564 case Decl::TemplateTemplateParm:
5565 case Decl::ObjCCategoryImpl:
5566 case Decl::ObjCImplementation:
5567 case Decl::AccessSpec:
5568 case Decl::LinkageSpec:
5569 case Decl::ObjCPropertyImpl:
5570 case Decl::FileScopeAsm:
5571 case Decl::StaticAssert:
5573 case Decl::Captured:
5574 case Decl::OMPCapturedExpr:
5575 case Decl::Label: // FIXME: Is this right??
5576 case Decl::ClassScopeFunctionSpecialization:
5578 case Decl::OMPThreadPrivate:
5579 case Decl::OMPDeclareReduction:
5580 case Decl::ObjCTypeParam:
5581 case Decl::BuiltinTemplate:
5582 case Decl::PragmaComment:
5583 case Decl::PragmaDetectMismatch:
5586 // Declaration kinds that don't make any sense here, but are
5587 // nonetheless harmless.
5589 case Decl::TranslationUnit:
5590 case Decl::ExternCContext:
5593 // Declaration kinds for which the definition is not resolvable.
5594 case Decl::UnresolvedUsingTypename:
5595 case Decl::UnresolvedUsingValue:
5598 case Decl::UsingDirective:
5599 return MakeCXCursor(cast<UsingDirectiveDecl>(D)->getNominatedNamespace(),
5602 case Decl::NamespaceAlias:
5603 return MakeCXCursor(cast<NamespaceAliasDecl>(D)->getNamespace(), TU);
5607 case Decl::CXXRecord:
5608 case Decl::ClassTemplateSpecialization:
5609 case Decl::ClassTemplatePartialSpecialization:
5610 if (TagDecl *Def = cast<TagDecl>(D)->getDefinition())
5611 return MakeCXCursor(Def, TU);
5612 return clang_getNullCursor();
5614 case Decl::Function:
5615 case Decl::CXXMethod:
5616 case Decl::CXXConstructor:
5617 case Decl::CXXDestructor:
5618 case Decl::CXXConversion: {
5619 const FunctionDecl *Def = nullptr;
5620 if (cast<FunctionDecl>(D)->getBody(Def))
5621 return MakeCXCursor(Def, TU);
5622 return clang_getNullCursor();
5626 case Decl::VarTemplateSpecialization:
5627 case Decl::VarTemplatePartialSpecialization: {
5628 // Ask the variable if it has a definition.
5629 if (const VarDecl *Def = cast<VarDecl>(D)->getDefinition())
5630 return MakeCXCursor(Def, TU);
5631 return clang_getNullCursor();
5634 case Decl::FunctionTemplate: {
5635 const FunctionDecl *Def = nullptr;
5636 if (cast<FunctionTemplateDecl>(D)->getTemplatedDecl()->getBody(Def))
5637 return MakeCXCursor(Def->getDescribedFunctionTemplate(), TU);
5638 return clang_getNullCursor();
5641 case Decl::ClassTemplate: {
5642 if (RecordDecl *Def = cast<ClassTemplateDecl>(D)->getTemplatedDecl()
5644 return MakeCXCursor(cast<CXXRecordDecl>(Def)->getDescribedClassTemplate(),
5646 return clang_getNullCursor();
5649 case Decl::VarTemplate: {
5651 cast<VarTemplateDecl>(D)->getTemplatedDecl()->getDefinition())
5652 return MakeCXCursor(cast<VarDecl>(Def)->getDescribedVarTemplate(), TU);
5653 return clang_getNullCursor();
5657 return MakeCursorOverloadedDeclRef(cast<UsingDecl>(D),
5658 D->getLocation(), TU);
5660 case Decl::UsingShadow:
5661 return clang_getCursorDefinition(
5662 MakeCXCursor(cast<UsingShadowDecl>(D)->getTargetDecl(),
5665 case Decl::ObjCMethod: {
5666 const ObjCMethodDecl *Method = cast<ObjCMethodDecl>(D);
5667 if (Method->isThisDeclarationADefinition())
5670 // Dig out the method definition in the associated
5671 // @implementation, if we have it.
5672 // FIXME: The ASTs should make finding the definition easier.
5673 if (const ObjCInterfaceDecl *Class
5674 = dyn_cast<ObjCInterfaceDecl>(Method->getDeclContext()))
5675 if (ObjCImplementationDecl *ClassImpl = Class->getImplementation())
5676 if (ObjCMethodDecl *Def = ClassImpl->getMethod(Method->getSelector(),
5677 Method->isInstanceMethod()))
5678 if (Def->isThisDeclarationADefinition())
5679 return MakeCXCursor(Def, TU);
5681 return clang_getNullCursor();
5684 case Decl::ObjCCategory:
5685 if (ObjCCategoryImplDecl *Impl
5686 = cast<ObjCCategoryDecl>(D)->getImplementation())
5687 return MakeCXCursor(Impl, TU);
5688 return clang_getNullCursor();
5690 case Decl::ObjCProtocol:
5691 if (const ObjCProtocolDecl *Def = cast<ObjCProtocolDecl>(D)->getDefinition())
5692 return MakeCXCursor(Def, TU);
5693 return clang_getNullCursor();
5695 case Decl::ObjCInterface: {
5696 // There are two notions of a "definition" for an Objective-C
5697 // class: the interface and its implementation. When we resolved a
5698 // reference to an Objective-C class, produce the @interface as
5699 // the definition; when we were provided with the interface,
5700 // produce the @implementation as the definition.
5701 const ObjCInterfaceDecl *IFace = cast<ObjCInterfaceDecl>(D);
5703 if (const ObjCInterfaceDecl *Def = IFace->getDefinition())
5704 return MakeCXCursor(Def, TU);
5705 } else if (ObjCImplementationDecl *Impl = IFace->getImplementation())
5706 return MakeCXCursor(Impl, TU);
5707 return clang_getNullCursor();
5710 case Decl::ObjCProperty:
5711 // FIXME: We don't really know where to find the
5712 // ObjCPropertyImplDecls that implement this property.
5713 return clang_getNullCursor();
5715 case Decl::ObjCCompatibleAlias:
5716 if (const ObjCInterfaceDecl *Class
5717 = cast<ObjCCompatibleAliasDecl>(D)->getClassInterface())
5718 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5719 return MakeCXCursor(Def, TU);
5721 return clang_getNullCursor();
5724 if (NamedDecl *Friend = cast<FriendDecl>(D)->getFriendDecl())
5725 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5726 return clang_getNullCursor();
5728 case Decl::FriendTemplate:
5729 if (NamedDecl *Friend = cast<FriendTemplateDecl>(D)->getFriendDecl())
5730 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5731 return clang_getNullCursor();
5734 return clang_getNullCursor();
5737 unsigned clang_isCursorDefinition(CXCursor C) {
5738 if (!clang_isDeclaration(C.kind))
5741 return clang_getCursorDefinition(C) == C;
5744 CXCursor clang_getCanonicalCursor(CXCursor C) {
5745 if (!clang_isDeclaration(C.kind))
5748 if (const Decl *D = getCursorDecl(C)) {
5749 if (const ObjCCategoryImplDecl *CatImplD = dyn_cast<ObjCCategoryImplDecl>(D))
5750 if (ObjCCategoryDecl *CatD = CatImplD->getCategoryDecl())
5751 return MakeCXCursor(CatD, getCursorTU(C));
5753 if (const ObjCImplDecl *ImplD = dyn_cast<ObjCImplDecl>(D))
5754 if (const ObjCInterfaceDecl *IFD = ImplD->getClassInterface())
5755 return MakeCXCursor(IFD, getCursorTU(C));
5757 return MakeCXCursor(D->getCanonicalDecl(), getCursorTU(C));
5763 int clang_Cursor_getObjCSelectorIndex(CXCursor cursor) {
5764 return cxcursor::getSelectorIdentifierIndexAndLoc(cursor).first;
5767 unsigned clang_getNumOverloadedDecls(CXCursor C) {
5768 if (C.kind != CXCursor_OverloadedDeclRef)
5771 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
5772 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5773 return E->getNumDecls();
5775 if (OverloadedTemplateStorage *S
5776 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5779 const Decl *D = Storage.get<const Decl *>();
5780 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5781 return Using->shadow_size();
5786 CXCursor clang_getOverloadedDecl(CXCursor cursor, unsigned index) {
5787 if (cursor.kind != CXCursor_OverloadedDeclRef)
5788 return clang_getNullCursor();
5790 if (index >= clang_getNumOverloadedDecls(cursor))
5791 return clang_getNullCursor();
5793 CXTranslationUnit TU = getCursorTU(cursor);
5794 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(cursor).first;
5795 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5796 return MakeCXCursor(E->decls_begin()[index], TU);
5798 if (OverloadedTemplateStorage *S
5799 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5800 return MakeCXCursor(S->begin()[index], TU);
5802 const Decl *D = Storage.get<const Decl *>();
5803 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D)) {
5804 // FIXME: This is, unfortunately, linear time.
5805 UsingDecl::shadow_iterator Pos = Using->shadow_begin();
5806 std::advance(Pos, index);
5807 return MakeCXCursor(cast<UsingShadowDecl>(*Pos)->getTargetDecl(), TU);
5810 return clang_getNullCursor();
5813 void clang_getDefinitionSpellingAndExtent(CXCursor C,
5814 const char **startBuf,
5815 const char **endBuf,
5816 unsigned *startLine,
5817 unsigned *startColumn,
5819 unsigned *endColumn) {
5820 assert(getCursorDecl(C) && "CXCursor has null decl");
5821 const FunctionDecl *FD = dyn_cast<FunctionDecl>(getCursorDecl(C));
5822 CompoundStmt *Body = dyn_cast<CompoundStmt>(FD->getBody());
5824 SourceManager &SM = FD->getASTContext().getSourceManager();
5825 *startBuf = SM.getCharacterData(Body->getLBracLoc());
5826 *endBuf = SM.getCharacterData(Body->getRBracLoc());
5827 *startLine = SM.getSpellingLineNumber(Body->getLBracLoc());
5828 *startColumn = SM.getSpellingColumnNumber(Body->getLBracLoc());
5829 *endLine = SM.getSpellingLineNumber(Body->getRBracLoc());
5830 *endColumn = SM.getSpellingColumnNumber(Body->getRBracLoc());
5834 CXSourceRange clang_getCursorReferenceNameRange(CXCursor C, unsigned NameFlags,
5835 unsigned PieceIndex) {
5836 RefNamePieces Pieces;
5839 case CXCursor_MemberRefExpr:
5840 if (const MemberExpr *E = dyn_cast<MemberExpr>(getCursorExpr(C)))
5841 Pieces = buildPieces(NameFlags, true, E->getMemberNameInfo(),
5842 E->getQualifierLoc().getSourceRange());
5845 case CXCursor_DeclRefExpr:
5846 if (const DeclRefExpr *E = dyn_cast<DeclRefExpr>(getCursorExpr(C))) {
5847 SourceRange TemplateArgLoc(E->getLAngleLoc(), E->getRAngleLoc());
5849 buildPieces(NameFlags, false, E->getNameInfo(),
5850 E->getQualifierLoc().getSourceRange(), &TemplateArgLoc);
5854 case CXCursor_CallExpr:
5855 if (const CXXOperatorCallExpr *OCE =
5856 dyn_cast<CXXOperatorCallExpr>(getCursorExpr(C))) {
5857 const Expr *Callee = OCE->getCallee();
5858 if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Callee))
5859 Callee = ICE->getSubExpr();
5861 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Callee))
5862 Pieces = buildPieces(NameFlags, false, DRE->getNameInfo(),
5863 DRE->getQualifierLoc().getSourceRange());
5871 if (Pieces.empty()) {
5872 if (PieceIndex == 0)
5873 return clang_getCursorExtent(C);
5874 } else if (PieceIndex < Pieces.size()) {
5875 SourceRange R = Pieces[PieceIndex];
5877 return cxloc::translateSourceRange(getCursorContext(C), R);
5880 return clang_getNullRange();
5883 void clang_enableStackTraces(void) {
5884 llvm::sys::PrintStackTraceOnErrorSignal();
5887 void clang_executeOnThread(void (*fn)(void*), void *user_data,
5888 unsigned stack_size) {
5889 llvm::llvm_execute_on_thread(fn, user_data, stack_size);
5892 } // end: extern "C"
5894 //===----------------------------------------------------------------------===//
5895 // Token-based Operations.
5896 //===----------------------------------------------------------------------===//
5899 * int_data[0]: a CXTokenKind
5900 * int_data[1]: starting token location
5901 * int_data[2]: token length
5902 * int_data[3]: reserved
5903 * ptr_data: for identifiers and keywords, an IdentifierInfo*.
5908 CXTokenKind clang_getTokenKind(CXToken CXTok) {
5909 return static_cast<CXTokenKind>(CXTok.int_data[0]);
5912 CXString clang_getTokenSpelling(CXTranslationUnit TU, CXToken CXTok) {
5913 switch (clang_getTokenKind(CXTok)) {
5914 case CXToken_Identifier:
5915 case CXToken_Keyword:
5916 // We know we have an IdentifierInfo*, so use that.
5917 return cxstring::createRef(static_cast<IdentifierInfo *>(CXTok.ptr_data)
5920 case CXToken_Literal: {
5921 // We have stashed the starting pointer in the ptr_data field. Use it.
5922 const char *Text = static_cast<const char *>(CXTok.ptr_data);
5923 return cxstring::createDup(StringRef(Text, CXTok.int_data[2]));
5926 case CXToken_Punctuation:
5927 case CXToken_Comment:
5931 if (isNotUsableTU(TU)) {
5933 return cxstring::createEmpty();
5936 // We have to find the starting buffer pointer the hard way, by
5937 // deconstructing the source location.
5938 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5940 return cxstring::createEmpty();
5942 SourceLocation Loc = SourceLocation::getFromRawEncoding(CXTok.int_data[1]);
5943 std::pair<FileID, unsigned> LocInfo
5944 = CXXUnit->getSourceManager().getDecomposedSpellingLoc(Loc);
5945 bool Invalid = false;
5947 = CXXUnit->getSourceManager().getBufferData(LocInfo.first, &Invalid);
5949 return cxstring::createEmpty();
5951 return cxstring::createDup(Buffer.substr(LocInfo.second, CXTok.int_data[2]));
5954 CXSourceLocation clang_getTokenLocation(CXTranslationUnit TU, CXToken CXTok) {
5955 if (isNotUsableTU(TU)) {
5957 return clang_getNullLocation();
5960 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5962 return clang_getNullLocation();
5964 return cxloc::translateSourceLocation(CXXUnit->getASTContext(),
5965 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5968 CXSourceRange clang_getTokenExtent(CXTranslationUnit TU, CXToken CXTok) {
5969 if (isNotUsableTU(TU)) {
5971 return clang_getNullRange();
5974 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5976 return clang_getNullRange();
5978 return cxloc::translateSourceRange(CXXUnit->getASTContext(),
5979 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5982 static void getTokens(ASTUnit *CXXUnit, SourceRange Range,
5983 SmallVectorImpl<CXToken> &CXTokens) {
5984 SourceManager &SourceMgr = CXXUnit->getSourceManager();
5985 std::pair<FileID, unsigned> BeginLocInfo
5986 = SourceMgr.getDecomposedSpellingLoc(Range.getBegin());
5987 std::pair<FileID, unsigned> EndLocInfo
5988 = SourceMgr.getDecomposedSpellingLoc(Range.getEnd());
5990 // Cannot tokenize across files.
5991 if (BeginLocInfo.first != EndLocInfo.first)
5995 bool Invalid = false;
5997 = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
6001 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
6002 CXXUnit->getASTContext().getLangOpts(),
6003 Buffer.begin(), Buffer.data() + BeginLocInfo.second, Buffer.end());
6004 Lex.SetCommentRetentionState(true);
6006 // Lex tokens until we hit the end of the range.
6007 const char *EffectiveBufferEnd = Buffer.data() + EndLocInfo.second;
6009 bool previousWasAt = false;
6011 // Lex the next token
6012 Lex.LexFromRawLexer(Tok);
6013 if (Tok.is(tok::eof))
6016 // Initialize the CXToken.
6020 CXTok.int_data[1] = Tok.getLocation().getRawEncoding();
6021 CXTok.int_data[2] = Tok.getLength();
6022 CXTok.int_data[3] = 0;
6024 // - Kind-specific fields
6025 if (Tok.isLiteral()) {
6026 CXTok.int_data[0] = CXToken_Literal;
6027 CXTok.ptr_data = const_cast<char *>(Tok.getLiteralData());
6028 } else if (Tok.is(tok::raw_identifier)) {
6029 // Lookup the identifier to determine whether we have a keyword.
6031 = CXXUnit->getPreprocessor().LookUpIdentifierInfo(Tok);
6033 if ((II->getObjCKeywordID() != tok::objc_not_keyword) && previousWasAt) {
6034 CXTok.int_data[0] = CXToken_Keyword;
6037 CXTok.int_data[0] = Tok.is(tok::identifier)
6038 ? CXToken_Identifier
6041 CXTok.ptr_data = II;
6042 } else if (Tok.is(tok::comment)) {
6043 CXTok.int_data[0] = CXToken_Comment;
6044 CXTok.ptr_data = nullptr;
6046 CXTok.int_data[0] = CXToken_Punctuation;
6047 CXTok.ptr_data = nullptr;
6049 CXTokens.push_back(CXTok);
6050 previousWasAt = Tok.is(tok::at);
6051 } while (Lex.getBufferLocation() <= EffectiveBufferEnd);
6054 void clang_tokenize(CXTranslationUnit TU, CXSourceRange Range,
6055 CXToken **Tokens, unsigned *NumTokens) {
6057 *Log << TU << ' ' << Range;
6065 if (isNotUsableTU(TU)) {
6070 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6071 if (!CXXUnit || !Tokens || !NumTokens)
6074 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
6076 SourceRange R = cxloc::translateCXSourceRange(Range);
6080 SmallVector<CXToken, 32> CXTokens;
6081 getTokens(CXXUnit, R, CXTokens);
6083 if (CXTokens.empty())
6086 *Tokens = (CXToken *)malloc(sizeof(CXToken) * CXTokens.size());
6087 memmove(*Tokens, CXTokens.data(), sizeof(CXToken) * CXTokens.size());
6088 *NumTokens = CXTokens.size();
6091 void clang_disposeTokens(CXTranslationUnit TU,
6092 CXToken *Tokens, unsigned NumTokens) {
6096 } // end: extern "C"
6098 //===----------------------------------------------------------------------===//
6099 // Token annotation APIs.
6100 //===----------------------------------------------------------------------===//
6102 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
6104 CXClientData client_data);
6105 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
6106 CXClientData client_data);
6109 class AnnotateTokensWorker {
6114 unsigned PreprocessingTokIdx;
6115 CursorVisitor AnnotateVis;
6116 SourceManager &SrcMgr;
6117 bool HasContextSensitiveKeywords;
6119 struct PostChildrenInfo {
6121 SourceRange CursorRange;
6122 unsigned BeforeReachingCursorIdx;
6123 unsigned BeforeChildrenTokenIdx;
6125 SmallVector<PostChildrenInfo, 8> PostChildrenInfos;
6127 CXToken &getTok(unsigned Idx) {
6128 assert(Idx < NumTokens);
6131 const CXToken &getTok(unsigned Idx) const {
6132 assert(Idx < NumTokens);
6135 bool MoreTokens() const { return TokIdx < NumTokens; }
6136 unsigned NextToken() const { return TokIdx; }
6137 void AdvanceToken() { ++TokIdx; }
6138 SourceLocation GetTokenLoc(unsigned tokI) {
6139 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
6141 bool isFunctionMacroToken(unsigned tokI) const {
6142 return getTok(tokI).int_data[3] != 0;
6144 SourceLocation getFunctionMacroTokenLoc(unsigned tokI) const {
6145 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[3]);
6148 void annotateAndAdvanceTokens(CXCursor, RangeComparisonResult, SourceRange);
6149 bool annotateAndAdvanceFunctionMacroTokens(CXCursor, RangeComparisonResult,
6153 AnnotateTokensWorker(CXToken *tokens, CXCursor *cursors, unsigned numTokens,
6154 CXTranslationUnit TU, SourceRange RegionOfInterest)
6155 : Tokens(tokens), Cursors(cursors),
6156 NumTokens(numTokens), TokIdx(0), PreprocessingTokIdx(0),
6158 AnnotateTokensVisitor, this,
6159 /*VisitPreprocessorLast=*/true,
6160 /*VisitIncludedEntities=*/false,
6162 /*VisitDeclsOnly=*/false,
6163 AnnotateTokensPostChildrenVisitor),
6164 SrcMgr(cxtu::getASTUnit(TU)->getSourceManager()),
6165 HasContextSensitiveKeywords(false) { }
6167 void VisitChildren(CXCursor C) { AnnotateVis.VisitChildren(C); }
6168 enum CXChildVisitResult Visit(CXCursor cursor, CXCursor parent);
6169 bool postVisitChildren(CXCursor cursor);
6170 void AnnotateTokens();
6172 /// \brief Determine whether the annotator saw any cursors that have
6173 /// context-sensitive keywords.
6174 bool hasContextSensitiveKeywords() const {
6175 return HasContextSensitiveKeywords;
6178 ~AnnotateTokensWorker() {
6179 assert(PostChildrenInfos.empty());
6184 void AnnotateTokensWorker::AnnotateTokens() {
6185 // Walk the AST within the region of interest, annotating tokens
6187 AnnotateVis.visitFileRegion();
6190 static inline void updateCursorAnnotation(CXCursor &Cursor,
6191 const CXCursor &updateC) {
6192 if (clang_isInvalid(updateC.kind) || !clang_isInvalid(Cursor.kind))
6197 /// \brief It annotates and advances tokens with a cursor until the comparison
6198 //// between the cursor location and the source range is the same as
6199 /// \arg compResult.
6201 /// Pass RangeBefore to annotate tokens with a cursor until a range is reached.
6202 /// Pass RangeOverlap to annotate tokens inside a range.
6203 void AnnotateTokensWorker::annotateAndAdvanceTokens(CXCursor updateC,
6204 RangeComparisonResult compResult,
6205 SourceRange range) {
6206 while (MoreTokens()) {
6207 const unsigned I = NextToken();
6208 if (isFunctionMacroToken(I))
6209 if (!annotateAndAdvanceFunctionMacroTokens(updateC, compResult, range))
6212 SourceLocation TokLoc = GetTokenLoc(I);
6213 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
6214 updateCursorAnnotation(Cursors[I], updateC);
6222 /// \brief Special annotation handling for macro argument tokens.
6223 /// \returns true if it advanced beyond all macro tokens, false otherwise.
6224 bool AnnotateTokensWorker::annotateAndAdvanceFunctionMacroTokens(
6226 RangeComparisonResult compResult,
6227 SourceRange range) {
6228 assert(MoreTokens());
6229 assert(isFunctionMacroToken(NextToken()) &&
6230 "Should be called only for macro arg tokens");
6232 // This works differently than annotateAndAdvanceTokens; because expanded
6233 // macro arguments can have arbitrary translation-unit source order, we do not
6234 // advance the token index one by one until a token fails the range test.
6235 // We only advance once past all of the macro arg tokens if all of them
6236 // pass the range test. If one of them fails we keep the token index pointing
6237 // at the start of the macro arg tokens so that the failing token will be
6238 // annotated by a subsequent annotation try.
6240 bool atLeastOneCompFail = false;
6242 unsigned I = NextToken();
6243 for (; I < NumTokens && isFunctionMacroToken(I); ++I) {
6244 SourceLocation TokLoc = getFunctionMacroTokenLoc(I);
6245 if (TokLoc.isFileID())
6246 continue; // not macro arg token, it's parens or comma.
6247 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
6248 if (clang_isInvalid(clang_getCursorKind(Cursors[I])))
6249 Cursors[I] = updateC;
6251 atLeastOneCompFail = true;
6254 if (atLeastOneCompFail)
6257 TokIdx = I; // All of the tokens were handled, advance beyond all of them.
6261 enum CXChildVisitResult
6262 AnnotateTokensWorker::Visit(CXCursor cursor, CXCursor parent) {
6263 SourceRange cursorRange = getRawCursorExtent(cursor);
6264 if (cursorRange.isInvalid())
6265 return CXChildVisit_Recurse;
6267 if (!HasContextSensitiveKeywords) {
6268 // Objective-C properties can have context-sensitive keywords.
6269 if (cursor.kind == CXCursor_ObjCPropertyDecl) {
6270 if (const ObjCPropertyDecl *Property
6271 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(cursor)))
6272 HasContextSensitiveKeywords = Property->getPropertyAttributesAsWritten() != 0;
6274 // Objective-C methods can have context-sensitive keywords.
6275 else if (cursor.kind == CXCursor_ObjCInstanceMethodDecl ||
6276 cursor.kind == CXCursor_ObjCClassMethodDecl) {
6277 if (const ObjCMethodDecl *Method
6278 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
6279 if (Method->getObjCDeclQualifier())
6280 HasContextSensitiveKeywords = true;
6282 for (const auto *P : Method->params()) {
6283 if (P->getObjCDeclQualifier()) {
6284 HasContextSensitiveKeywords = true;
6291 // C++ methods can have context-sensitive keywords.
6292 else if (cursor.kind == CXCursor_CXXMethod) {
6293 if (const CXXMethodDecl *Method
6294 = dyn_cast_or_null<CXXMethodDecl>(getCursorDecl(cursor))) {
6295 if (Method->hasAttr<FinalAttr>() || Method->hasAttr<OverrideAttr>())
6296 HasContextSensitiveKeywords = true;
6299 // C++ classes can have context-sensitive keywords.
6300 else if (cursor.kind == CXCursor_StructDecl ||
6301 cursor.kind == CXCursor_ClassDecl ||
6302 cursor.kind == CXCursor_ClassTemplate ||
6303 cursor.kind == CXCursor_ClassTemplatePartialSpecialization) {
6304 if (const Decl *D = getCursorDecl(cursor))
6305 if (D->hasAttr<FinalAttr>())
6306 HasContextSensitiveKeywords = true;
6310 // Don't override a property annotation with its getter/setter method.
6311 if (cursor.kind == CXCursor_ObjCInstanceMethodDecl &&
6312 parent.kind == CXCursor_ObjCPropertyDecl)
6313 return CXChildVisit_Continue;
6315 if (clang_isPreprocessing(cursor.kind)) {
6316 // Items in the preprocessing record are kept separate from items in
6317 // declarations, so we keep a separate token index.
6318 unsigned SavedTokIdx = TokIdx;
6319 TokIdx = PreprocessingTokIdx;
6321 // Skip tokens up until we catch up to the beginning of the preprocessing
6323 while (MoreTokens()) {
6324 const unsigned I = NextToken();
6325 SourceLocation TokLoc = GetTokenLoc(I);
6326 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
6337 // Look at all of the tokens within this range.
6338 while (MoreTokens()) {
6339 const unsigned I = NextToken();
6340 SourceLocation TokLoc = GetTokenLoc(I);
6341 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
6343 llvm_unreachable("Infeasible");
6347 // For macro expansions, just note where the beginning of the macro
6348 // expansion occurs.
6349 if (cursor.kind == CXCursor_MacroExpansion) {
6350 if (TokLoc == cursorRange.getBegin())
6351 Cursors[I] = cursor;
6355 // We may have already annotated macro names inside macro definitions.
6356 if (Cursors[I].kind != CXCursor_MacroExpansion)
6357 Cursors[I] = cursor;
6364 // Save the preprocessing token index; restore the non-preprocessing
6366 PreprocessingTokIdx = TokIdx;
6367 TokIdx = SavedTokIdx;
6368 return CXChildVisit_Recurse;
6371 if (cursorRange.isInvalid())
6372 return CXChildVisit_Continue;
6374 unsigned BeforeReachingCursorIdx = NextToken();
6375 const enum CXCursorKind cursorK = clang_getCursorKind(cursor);
6376 const enum CXCursorKind K = clang_getCursorKind(parent);
6377 const CXCursor updateC =
6378 (clang_isInvalid(K) || K == CXCursor_TranslationUnit ||
6379 // Attributes are annotated out-of-order, skip tokens until we reach it.
6380 clang_isAttribute(cursor.kind))
6381 ? clang_getNullCursor() : parent;
6383 annotateAndAdvanceTokens(updateC, RangeBefore, cursorRange);
6385 // Avoid having the cursor of an expression "overwrite" the annotation of the
6386 // variable declaration that it belongs to.
6387 // This can happen for C++ constructor expressions whose range generally
6388 // include the variable declaration, e.g.:
6389 // MyCXXClass foo; // Make sure we don't annotate 'foo' as a CallExpr cursor.
6390 if (clang_isExpression(cursorK) && MoreTokens()) {
6391 const Expr *E = getCursorExpr(cursor);
6392 if (const Decl *D = getCursorParentDecl(cursor)) {
6393 const unsigned I = NextToken();
6394 if (E->getLocStart().isValid() && D->getLocation().isValid() &&
6395 E->getLocStart() == D->getLocation() &&
6396 E->getLocStart() == GetTokenLoc(I)) {
6397 updateCursorAnnotation(Cursors[I], updateC);
6403 // Before recursing into the children keep some state that we are going
6404 // to use in the AnnotateTokensWorker::postVisitChildren callback to do some
6405 // extra work after the child nodes are visited.
6406 // Note that we don't call VisitChildren here to avoid traversing statements
6407 // code-recursively which can blow the stack.
6409 PostChildrenInfo Info;
6410 Info.Cursor = cursor;
6411 Info.CursorRange = cursorRange;
6412 Info.BeforeReachingCursorIdx = BeforeReachingCursorIdx;
6413 Info.BeforeChildrenTokenIdx = NextToken();
6414 PostChildrenInfos.push_back(Info);
6416 return CXChildVisit_Recurse;
6419 bool AnnotateTokensWorker::postVisitChildren(CXCursor cursor) {
6420 if (PostChildrenInfos.empty())
6422 const PostChildrenInfo &Info = PostChildrenInfos.back();
6423 if (!clang_equalCursors(Info.Cursor, cursor))
6426 const unsigned BeforeChildren = Info.BeforeChildrenTokenIdx;
6427 const unsigned AfterChildren = NextToken();
6428 SourceRange cursorRange = Info.CursorRange;
6430 // Scan the tokens that are at the end of the cursor, but are not captured
6431 // but the child cursors.
6432 annotateAndAdvanceTokens(cursor, RangeOverlap, cursorRange);
6434 // Scan the tokens that are at the beginning of the cursor, but are not
6435 // capture by the child cursors.
6436 for (unsigned I = BeforeChildren; I != AfterChildren; ++I) {
6437 if (!clang_isInvalid(clang_getCursorKind(Cursors[I])))
6440 Cursors[I] = cursor;
6443 // Attributes are annotated out-of-order, rewind TokIdx to when we first
6444 // encountered the attribute cursor.
6445 if (clang_isAttribute(cursor.kind))
6446 TokIdx = Info.BeforeReachingCursorIdx;
6448 PostChildrenInfos.pop_back();
6452 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
6454 CXClientData client_data) {
6455 return static_cast<AnnotateTokensWorker*>(client_data)->Visit(cursor, parent);
6458 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
6459 CXClientData client_data) {
6460 return static_cast<AnnotateTokensWorker*>(client_data)->
6461 postVisitChildren(cursor);
6466 /// \brief Uses the macro expansions in the preprocessing record to find
6467 /// and mark tokens that are macro arguments. This info is used by the
6468 /// AnnotateTokensWorker.
6469 class MarkMacroArgTokensVisitor {
6476 MarkMacroArgTokensVisitor(SourceManager &SM,
6477 CXToken *tokens, unsigned numTokens)
6478 : SM(SM), Tokens(tokens), NumTokens(numTokens), CurIdx(0) { }
6480 CXChildVisitResult visit(CXCursor cursor, CXCursor parent) {
6481 if (cursor.kind != CXCursor_MacroExpansion)
6482 return CXChildVisit_Continue;
6484 SourceRange macroRange = getCursorMacroExpansion(cursor).getSourceRange();
6485 if (macroRange.getBegin() == macroRange.getEnd())
6486 return CXChildVisit_Continue; // it's not a function macro.
6488 for (; CurIdx < NumTokens; ++CurIdx) {
6489 if (!SM.isBeforeInTranslationUnit(getTokenLoc(CurIdx),
6490 macroRange.getBegin()))
6494 if (CurIdx == NumTokens)
6495 return CXChildVisit_Break;
6497 for (; CurIdx < NumTokens; ++CurIdx) {
6498 SourceLocation tokLoc = getTokenLoc(CurIdx);
6499 if (!SM.isBeforeInTranslationUnit(tokLoc, macroRange.getEnd()))
6502 setFunctionMacroTokenLoc(CurIdx, SM.getMacroArgExpandedLocation(tokLoc));
6505 if (CurIdx == NumTokens)
6506 return CXChildVisit_Break;
6508 return CXChildVisit_Continue;
6512 CXToken &getTok(unsigned Idx) {
6513 assert(Idx < NumTokens);
6516 const CXToken &getTok(unsigned Idx) const {
6517 assert(Idx < NumTokens);
6521 SourceLocation getTokenLoc(unsigned tokI) {
6522 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
6525 void setFunctionMacroTokenLoc(unsigned tokI, SourceLocation loc) {
6526 // The third field is reserved and currently not used. Use it here
6527 // to mark macro arg expanded tokens with their expanded locations.
6528 getTok(tokI).int_data[3] = loc.getRawEncoding();
6532 } // end anonymous namespace
6534 static CXChildVisitResult
6535 MarkMacroArgTokensVisitorDelegate(CXCursor cursor, CXCursor parent,
6536 CXClientData client_data) {
6537 return static_cast<MarkMacroArgTokensVisitor*>(client_data)->visit(cursor,
6541 /// \brief Used by \c annotatePreprocessorTokens.
6542 /// \returns true if lexing was finished, false otherwise.
6543 static bool lexNext(Lexer &Lex, Token &Tok,
6544 unsigned &NextIdx, unsigned NumTokens) {
6545 if (NextIdx >= NumTokens)
6549 Lex.LexFromRawLexer(Tok);
6550 return Tok.is(tok::eof);
6553 static void annotatePreprocessorTokens(CXTranslationUnit TU,
6554 SourceRange RegionOfInterest,
6557 unsigned NumTokens) {
6558 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6560 Preprocessor &PP = CXXUnit->getPreprocessor();
6561 SourceManager &SourceMgr = CXXUnit->getSourceManager();
6562 std::pair<FileID, unsigned> BeginLocInfo
6563 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getBegin());
6564 std::pair<FileID, unsigned> EndLocInfo
6565 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getEnd());
6567 if (BeginLocInfo.first != EndLocInfo.first)
6571 bool Invalid = false;
6572 Buffer = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
6573 if (Buffer.empty() || Invalid)
6576 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
6577 CXXUnit->getASTContext().getLangOpts(),
6578 Buffer.begin(), Buffer.data() + BeginLocInfo.second,
6580 Lex.SetCommentRetentionState(true);
6582 unsigned NextIdx = 0;
6583 // Lex tokens in raw mode until we hit the end of the range, to avoid
6584 // entering #includes or expanding macros.
6587 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6589 unsigned TokIdx = NextIdx-1;
6590 assert(Tok.getLocation() ==
6591 SourceLocation::getFromRawEncoding(Tokens[TokIdx].int_data[1]));
6594 if (Tok.is(tok::hash) && Tok.isAtStartOfLine()) {
6595 // We have found a preprocessing directive. Annotate the tokens
6598 // FIXME: Some simple tests here could identify macro definitions and
6599 // #undefs, to provide specific cursor kinds for those.
6601 SourceLocation BeginLoc = Tok.getLocation();
6602 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6605 MacroInfo *MI = nullptr;
6606 if (Tok.is(tok::raw_identifier) && Tok.getRawIdentifier() == "define") {
6607 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6610 if (Tok.is(tok::raw_identifier)) {
6611 IdentifierInfo &II =
6612 PP.getIdentifierTable().get(Tok.getRawIdentifier());
6613 SourceLocation MappedTokLoc =
6614 CXXUnit->mapLocationToPreamble(Tok.getLocation());
6615 MI = getMacroInfo(II, MappedTokLoc, TU);
6619 bool finished = false;
6621 if (lexNext(Lex, Tok, NextIdx, NumTokens)) {
6625 // If we are in a macro definition, check if the token was ever a
6626 // macro name and annotate it if that's the case.
6628 SourceLocation SaveLoc = Tok.getLocation();
6629 Tok.setLocation(CXXUnit->mapLocationToPreamble(SaveLoc));
6630 MacroDefinitionRecord *MacroDef =
6631 checkForMacroInMacroDefinition(MI, Tok, TU);
6632 Tok.setLocation(SaveLoc);
6634 Cursors[NextIdx - 1] =
6635 MakeMacroExpansionCursor(MacroDef, Tok.getLocation(), TU);
6637 } while (!Tok.isAtStartOfLine());
6639 unsigned LastIdx = finished ? NextIdx-1 : NextIdx-2;
6640 assert(TokIdx <= LastIdx);
6641 SourceLocation EndLoc =
6642 SourceLocation::getFromRawEncoding(Tokens[LastIdx].int_data[1]);
6644 MakePreprocessingDirectiveCursor(SourceRange(BeginLoc, EndLoc), TU);
6646 for (; TokIdx <= LastIdx; ++TokIdx)
6647 updateCursorAnnotation(Cursors[TokIdx], Cursor);
6656 // This gets run a separate thread to avoid stack blowout.
6657 static void clang_annotateTokensImpl(CXTranslationUnit TU, ASTUnit *CXXUnit,
6658 CXToken *Tokens, unsigned NumTokens,
6659 CXCursor *Cursors) {
6660 CIndexer *CXXIdx = TU->CIdx;
6661 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
6662 setThreadBackgroundPriority();
6664 // Determine the region of interest, which contains all of the tokens.
6665 SourceRange RegionOfInterest;
6666 RegionOfInterest.setBegin(
6667 cxloc::translateSourceLocation(clang_getTokenLocation(TU, Tokens[0])));
6668 RegionOfInterest.setEnd(
6669 cxloc::translateSourceLocation(clang_getTokenLocation(TU,
6670 Tokens[NumTokens-1])));
6672 // Relex the tokens within the source range to look for preprocessing
6674 annotatePreprocessorTokens(TU, RegionOfInterest, Cursors, Tokens, NumTokens);
6676 // If begin location points inside a macro argument, set it to the expansion
6677 // location so we can have the full context when annotating semantically.
6679 SourceManager &SM = CXXUnit->getSourceManager();
6680 SourceLocation Loc =
6681 SM.getMacroArgExpandedLocation(RegionOfInterest.getBegin());
6682 if (Loc.isMacroID())
6683 RegionOfInterest.setBegin(SM.getExpansionLoc(Loc));
6686 if (CXXUnit->getPreprocessor().getPreprocessingRecord()) {
6687 // Search and mark tokens that are macro argument expansions.
6688 MarkMacroArgTokensVisitor Visitor(CXXUnit->getSourceManager(),
6690 CursorVisitor MacroArgMarker(TU,
6691 MarkMacroArgTokensVisitorDelegate, &Visitor,
6692 /*VisitPreprocessorLast=*/true,
6693 /*VisitIncludedEntities=*/false,
6695 MacroArgMarker.visitPreprocessedEntitiesInRegion();
6698 // Annotate all of the source locations in the region of interest that map to
6699 // a specific cursor.
6700 AnnotateTokensWorker W(Tokens, Cursors, NumTokens, TU, RegionOfInterest);
6702 // FIXME: We use a ridiculous stack size here because the data-recursion
6703 // algorithm uses a large stack frame than the non-data recursive version,
6704 // and AnnotationTokensWorker currently transforms the data-recursion
6705 // algorithm back into a traditional recursion by explicitly calling
6706 // VisitChildren(). We will need to remove this explicit recursive call.
6709 // If we ran into any entities that involve context-sensitive keywords,
6710 // take another pass through the tokens to mark them as such.
6711 if (W.hasContextSensitiveKeywords()) {
6712 for (unsigned I = 0; I != NumTokens; ++I) {
6713 if (clang_getTokenKind(Tokens[I]) != CXToken_Identifier)
6716 if (Cursors[I].kind == CXCursor_ObjCPropertyDecl) {
6717 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6718 if (const ObjCPropertyDecl *Property
6719 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(Cursors[I]))) {
6720 if (Property->getPropertyAttributesAsWritten() != 0 &&
6721 llvm::StringSwitch<bool>(II->getName())
6722 .Case("readonly", true)
6723 .Case("assign", true)
6724 .Case("unsafe_unretained", true)
6725 .Case("readwrite", true)
6726 .Case("retain", true)
6728 .Case("nonatomic", true)
6729 .Case("atomic", true)
6730 .Case("getter", true)
6731 .Case("setter", true)
6732 .Case("strong", true)
6735 Tokens[I].int_data[0] = CXToken_Keyword;
6740 if (Cursors[I].kind == CXCursor_ObjCInstanceMethodDecl ||
6741 Cursors[I].kind == CXCursor_ObjCClassMethodDecl) {
6742 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6743 if (llvm::StringSwitch<bool>(II->getName())
6746 .Case("inout", true)
6747 .Case("oneway", true)
6748 .Case("bycopy", true)
6749 .Case("byref", true)
6751 Tokens[I].int_data[0] = CXToken_Keyword;
6755 if (Cursors[I].kind == CXCursor_CXXFinalAttr ||
6756 Cursors[I].kind == CXCursor_CXXOverrideAttr) {
6757 Tokens[I].int_data[0] = CXToken_Keyword;
6766 void clang_annotateTokens(CXTranslationUnit TU,
6767 CXToken *Tokens, unsigned NumTokens,
6768 CXCursor *Cursors) {
6769 if (isNotUsableTU(TU)) {
6773 if (NumTokens == 0 || !Tokens || !Cursors) {
6774 LOG_FUNC_SECTION { *Log << "<null input>"; }
6780 CXSourceLocation bloc = clang_getTokenLocation(TU, Tokens[0]);
6781 CXSourceLocation eloc = clang_getTokenLocation(TU, Tokens[NumTokens-1]);
6782 *Log << clang_getRange(bloc, eloc);
6785 // Any token we don't specifically annotate will have a NULL cursor.
6786 CXCursor C = clang_getNullCursor();
6787 for (unsigned I = 0; I != NumTokens; ++I)
6790 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6794 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
6796 auto AnnotateTokensImpl = [=]() {
6797 clang_annotateTokensImpl(TU, CXXUnit, Tokens, NumTokens, Cursors);
6799 llvm::CrashRecoveryContext CRC;
6800 if (!RunSafely(CRC, AnnotateTokensImpl, GetSafetyThreadStackSize() * 2)) {
6801 fprintf(stderr, "libclang: crash detected while annotating tokens\n");
6805 } // end: extern "C"
6807 //===----------------------------------------------------------------------===//
6808 // Operations for querying linkage of a cursor.
6809 //===----------------------------------------------------------------------===//
6812 CXLinkageKind clang_getCursorLinkage(CXCursor cursor) {
6813 if (!clang_isDeclaration(cursor.kind))
6814 return CXLinkage_Invalid;
6816 const Decl *D = cxcursor::getCursorDecl(cursor);
6817 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6818 switch (ND->getLinkageInternal()) {
6820 case VisibleNoLinkage: return CXLinkage_NoLinkage;
6821 case InternalLinkage: return CXLinkage_Internal;
6822 case UniqueExternalLinkage: return CXLinkage_UniqueExternal;
6823 case ExternalLinkage: return CXLinkage_External;
6826 return CXLinkage_Invalid;
6828 } // end: extern "C"
6830 //===----------------------------------------------------------------------===//
6831 // Operations for querying visibility of a cursor.
6832 //===----------------------------------------------------------------------===//
6835 CXVisibilityKind clang_getCursorVisibility(CXCursor cursor) {
6836 if (!clang_isDeclaration(cursor.kind))
6837 return CXVisibility_Invalid;
6839 const Decl *D = cxcursor::getCursorDecl(cursor);
6840 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6841 switch (ND->getVisibility()) {
6842 case HiddenVisibility: return CXVisibility_Hidden;
6843 case ProtectedVisibility: return CXVisibility_Protected;
6844 case DefaultVisibility: return CXVisibility_Default;
6847 return CXVisibility_Invalid;
6849 } // end: extern "C"
6851 //===----------------------------------------------------------------------===//
6852 // Operations for querying language of a cursor.
6853 //===----------------------------------------------------------------------===//
6855 static CXLanguageKind getDeclLanguage(const Decl *D) {
6857 return CXLanguage_C;
6859 switch (D->getKind()) {
6862 case Decl::ImplicitParam:
6863 case Decl::ObjCAtDefsField:
6864 case Decl::ObjCCategory:
6865 case Decl::ObjCCategoryImpl:
6866 case Decl::ObjCCompatibleAlias:
6867 case Decl::ObjCImplementation:
6868 case Decl::ObjCInterface:
6869 case Decl::ObjCIvar:
6870 case Decl::ObjCMethod:
6871 case Decl::ObjCProperty:
6872 case Decl::ObjCPropertyImpl:
6873 case Decl::ObjCProtocol:
6874 case Decl::ObjCTypeParam:
6875 return CXLanguage_ObjC;
6876 case Decl::CXXConstructor:
6877 case Decl::CXXConversion:
6878 case Decl::CXXDestructor:
6879 case Decl::CXXMethod:
6880 case Decl::CXXRecord:
6881 case Decl::ClassTemplate:
6882 case Decl::ClassTemplatePartialSpecialization:
6883 case Decl::ClassTemplateSpecialization:
6885 case Decl::FriendTemplate:
6886 case Decl::FunctionTemplate:
6887 case Decl::LinkageSpec:
6888 case Decl::Namespace:
6889 case Decl::NamespaceAlias:
6890 case Decl::NonTypeTemplateParm:
6891 case Decl::StaticAssert:
6892 case Decl::TemplateTemplateParm:
6893 case Decl::TemplateTypeParm:
6894 case Decl::UnresolvedUsingTypename:
6895 case Decl::UnresolvedUsingValue:
6897 case Decl::UsingDirective:
6898 case Decl::UsingShadow:
6899 return CXLanguage_CPlusPlus;
6902 return CXLanguage_C;
6907 static CXAvailabilityKind getCursorAvailabilityForDecl(const Decl *D) {
6908 if (isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->isDeleted())
6909 return CXAvailability_NotAvailable;
6911 switch (D->getAvailability()) {
6913 case AR_NotYetIntroduced:
6914 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6915 return getCursorAvailabilityForDecl(
6916 cast<Decl>(EnumConst->getDeclContext()));
6917 return CXAvailability_Available;
6920 return CXAvailability_Deprecated;
6922 case AR_Unavailable:
6923 return CXAvailability_NotAvailable;
6926 llvm_unreachable("Unknown availability kind!");
6929 enum CXAvailabilityKind clang_getCursorAvailability(CXCursor cursor) {
6930 if (clang_isDeclaration(cursor.kind))
6931 if (const Decl *D = cxcursor::getCursorDecl(cursor))
6932 return getCursorAvailabilityForDecl(D);
6934 return CXAvailability_Available;
6937 static CXVersion convertVersion(VersionTuple In) {
6938 CXVersion Out = { -1, -1, -1 };
6942 Out.Major = In.getMajor();
6944 Optional<unsigned> Minor = In.getMinor();
6945 if (Minor.hasValue())
6950 Optional<unsigned> Subminor = In.getSubminor();
6951 if (Subminor.hasValue())
6952 Out.Subminor = *Subminor;
6957 static int getCursorPlatformAvailabilityForDecl(const Decl *D,
6958 int *always_deprecated,
6959 CXString *deprecated_message,
6960 int *always_unavailable,
6961 CXString *unavailable_message,
6962 CXPlatformAvailability *availability,
6963 int availability_size) {
6964 bool HadAvailAttr = false;
6966 for (auto A : D->attrs()) {
6967 if (DeprecatedAttr *Deprecated = dyn_cast<DeprecatedAttr>(A)) {
6968 HadAvailAttr = true;
6969 if (always_deprecated)
6970 *always_deprecated = 1;
6971 if (deprecated_message) {
6972 clang_disposeString(*deprecated_message);
6973 *deprecated_message = cxstring::createDup(Deprecated->getMessage());
6978 if (UnavailableAttr *Unavailable = dyn_cast<UnavailableAttr>(A)) {
6979 HadAvailAttr = true;
6980 if (always_unavailable)
6981 *always_unavailable = 1;
6982 if (unavailable_message) {
6983 clang_disposeString(*unavailable_message);
6984 *unavailable_message = cxstring::createDup(Unavailable->getMessage());
6989 if (AvailabilityAttr *Avail = dyn_cast<AvailabilityAttr>(A)) {
6990 HadAvailAttr = true;
6991 if (N < availability_size) {
6992 availability[N].Platform
6993 = cxstring::createDup(Avail->getPlatform()->getName());
6994 availability[N].Introduced = convertVersion(Avail->getIntroduced());
6995 availability[N].Deprecated = convertVersion(Avail->getDeprecated());
6996 availability[N].Obsoleted = convertVersion(Avail->getObsoleted());
6997 availability[N].Unavailable = Avail->getUnavailable();
6998 availability[N].Message = cxstring::createDup(Avail->getMessage());
7005 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
7006 return getCursorPlatformAvailabilityForDecl(
7007 cast<Decl>(EnumConst->getDeclContext()),
7011 unavailable_message,
7018 int clang_getCursorPlatformAvailability(CXCursor cursor,
7019 int *always_deprecated,
7020 CXString *deprecated_message,
7021 int *always_unavailable,
7022 CXString *unavailable_message,
7023 CXPlatformAvailability *availability,
7024 int availability_size) {
7025 if (always_deprecated)
7026 *always_deprecated = 0;
7027 if (deprecated_message)
7028 *deprecated_message = cxstring::createEmpty();
7029 if (always_unavailable)
7030 *always_unavailable = 0;
7031 if (unavailable_message)
7032 *unavailable_message = cxstring::createEmpty();
7034 if (!clang_isDeclaration(cursor.kind))
7037 const Decl *D = cxcursor::getCursorDecl(cursor);
7041 return getCursorPlatformAvailabilityForDecl(D, always_deprecated,
7044 unavailable_message,
7049 void clang_disposeCXPlatformAvailability(CXPlatformAvailability *availability) {
7050 clang_disposeString(availability->Platform);
7051 clang_disposeString(availability->Message);
7054 CXLanguageKind clang_getCursorLanguage(CXCursor cursor) {
7055 if (clang_isDeclaration(cursor.kind))
7056 return getDeclLanguage(cxcursor::getCursorDecl(cursor));
7058 return CXLanguage_Invalid;
7061 /// \brief If the given cursor is the "templated" declaration
7062 /// descibing a class or function template, return the class or
7063 /// function template.
7064 static const Decl *maybeGetTemplateCursor(const Decl *D) {
7068 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
7069 if (FunctionTemplateDecl *FunTmpl = FD->getDescribedFunctionTemplate())
7072 if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D))
7073 if (ClassTemplateDecl *ClassTmpl = RD->getDescribedClassTemplate())
7080 enum CX_StorageClass clang_Cursor_getStorageClass(CXCursor C) {
7081 StorageClass sc = SC_None;
7082 const Decl *D = getCursorDecl(C);
7084 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
7085 sc = FD->getStorageClass();
7086 } else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
7087 sc = VD->getStorageClass();
7089 return CX_SC_Invalid;
7092 return CX_SC_Invalid;
7098 return CX_SC_Extern;
7100 return CX_SC_Static;
7101 case SC_PrivateExtern:
7102 return CX_SC_PrivateExtern;
7106 return CX_SC_Register;
7108 llvm_unreachable("Unhandled storage class!");
7111 CXCursor clang_getCursorSemanticParent(CXCursor cursor) {
7112 if (clang_isDeclaration(cursor.kind)) {
7113 if (const Decl *D = getCursorDecl(cursor)) {
7114 const DeclContext *DC = D->getDeclContext();
7116 return clang_getNullCursor();
7118 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
7119 getCursorTU(cursor));
7123 if (clang_isStatement(cursor.kind) || clang_isExpression(cursor.kind)) {
7124 if (const Decl *D = getCursorDecl(cursor))
7125 return MakeCXCursor(D, getCursorTU(cursor));
7128 return clang_getNullCursor();
7131 CXCursor clang_getCursorLexicalParent(CXCursor cursor) {
7132 if (clang_isDeclaration(cursor.kind)) {
7133 if (const Decl *D = getCursorDecl(cursor)) {
7134 const DeclContext *DC = D->getLexicalDeclContext();
7136 return clang_getNullCursor();
7138 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
7139 getCursorTU(cursor));
7143 // FIXME: Note that we can't easily compute the lexical context of a
7144 // statement or expression, so we return nothing.
7145 return clang_getNullCursor();
7148 CXFile clang_getIncludedFile(CXCursor cursor) {
7149 if (cursor.kind != CXCursor_InclusionDirective)
7152 const InclusionDirective *ID = getCursorInclusionDirective(cursor);
7153 return const_cast<FileEntry *>(ID->getFile());
7156 unsigned clang_Cursor_getObjCPropertyAttributes(CXCursor C, unsigned reserved) {
7157 if (C.kind != CXCursor_ObjCPropertyDecl)
7158 return CXObjCPropertyAttr_noattr;
7160 unsigned Result = CXObjCPropertyAttr_noattr;
7161 const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(getCursorDecl(C));
7162 ObjCPropertyDecl::PropertyAttributeKind Attr =
7163 PD->getPropertyAttributesAsWritten();
7165 #define SET_CXOBJCPROP_ATTR(A) \
7166 if (Attr & ObjCPropertyDecl::OBJC_PR_##A) \
7167 Result |= CXObjCPropertyAttr_##A
7168 SET_CXOBJCPROP_ATTR(readonly);
7169 SET_CXOBJCPROP_ATTR(getter);
7170 SET_CXOBJCPROP_ATTR(assign);
7171 SET_CXOBJCPROP_ATTR(readwrite);
7172 SET_CXOBJCPROP_ATTR(retain);
7173 SET_CXOBJCPROP_ATTR(copy);
7174 SET_CXOBJCPROP_ATTR(nonatomic);
7175 SET_CXOBJCPROP_ATTR(setter);
7176 SET_CXOBJCPROP_ATTR(atomic);
7177 SET_CXOBJCPROP_ATTR(weak);
7178 SET_CXOBJCPROP_ATTR(strong);
7179 SET_CXOBJCPROP_ATTR(unsafe_unretained);
7180 #undef SET_CXOBJCPROP_ATTR
7185 unsigned clang_Cursor_getObjCDeclQualifiers(CXCursor C) {
7186 if (!clang_isDeclaration(C.kind))
7187 return CXObjCDeclQualifier_None;
7189 Decl::ObjCDeclQualifier QT = Decl::OBJC_TQ_None;
7190 const Decl *D = getCursorDecl(C);
7191 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
7192 QT = MD->getObjCDeclQualifier();
7193 else if (const ParmVarDecl *PD = dyn_cast<ParmVarDecl>(D))
7194 QT = PD->getObjCDeclQualifier();
7195 if (QT == Decl::OBJC_TQ_None)
7196 return CXObjCDeclQualifier_None;
7198 unsigned Result = CXObjCDeclQualifier_None;
7199 if (QT & Decl::OBJC_TQ_In) Result |= CXObjCDeclQualifier_In;
7200 if (QT & Decl::OBJC_TQ_Inout) Result |= CXObjCDeclQualifier_Inout;
7201 if (QT & Decl::OBJC_TQ_Out) Result |= CXObjCDeclQualifier_Out;
7202 if (QT & Decl::OBJC_TQ_Bycopy) Result |= CXObjCDeclQualifier_Bycopy;
7203 if (QT & Decl::OBJC_TQ_Byref) Result |= CXObjCDeclQualifier_Byref;
7204 if (QT & Decl::OBJC_TQ_Oneway) Result |= CXObjCDeclQualifier_Oneway;
7209 unsigned clang_Cursor_isObjCOptional(CXCursor C) {
7210 if (!clang_isDeclaration(C.kind))
7213 const Decl *D = getCursorDecl(C);
7214 if (const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(D))
7215 return PD->getPropertyImplementation() == ObjCPropertyDecl::Optional;
7216 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
7217 return MD->getImplementationControl() == ObjCMethodDecl::Optional;
7222 unsigned clang_Cursor_isVariadic(CXCursor C) {
7223 if (!clang_isDeclaration(C.kind))
7226 const Decl *D = getCursorDecl(C);
7227 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
7228 return FD->isVariadic();
7229 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
7230 return MD->isVariadic();
7235 CXSourceRange clang_Cursor_getCommentRange(CXCursor C) {
7236 if (!clang_isDeclaration(C.kind))
7237 return clang_getNullRange();
7239 const Decl *D = getCursorDecl(C);
7240 ASTContext &Context = getCursorContext(C);
7241 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
7243 return clang_getNullRange();
7245 return cxloc::translateSourceRange(Context, RC->getSourceRange());
7248 CXString clang_Cursor_getRawCommentText(CXCursor C) {
7249 if (!clang_isDeclaration(C.kind))
7250 return cxstring::createNull();
7252 const Decl *D = getCursorDecl(C);
7253 ASTContext &Context = getCursorContext(C);
7254 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
7255 StringRef RawText = RC ? RC->getRawText(Context.getSourceManager()) :
7258 // Don't duplicate the string because RawText points directly into source
7260 return cxstring::createRef(RawText);
7263 CXString clang_Cursor_getBriefCommentText(CXCursor C) {
7264 if (!clang_isDeclaration(C.kind))
7265 return cxstring::createNull();
7267 const Decl *D = getCursorDecl(C);
7268 const ASTContext &Context = getCursorContext(C);
7269 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
7272 StringRef BriefText = RC->getBriefText(Context);
7274 // Don't duplicate the string because RawComment ensures that this memory
7275 // will not go away.
7276 return cxstring::createRef(BriefText);
7279 return cxstring::createNull();
7282 CXModule clang_Cursor_getModule(CXCursor C) {
7283 if (C.kind == CXCursor_ModuleImportDecl) {
7284 if (const ImportDecl *ImportD =
7285 dyn_cast_or_null<ImportDecl>(getCursorDecl(C)))
7286 return ImportD->getImportedModule();
7292 CXModule clang_getModuleForFile(CXTranslationUnit TU, CXFile File) {
7293 if (isNotUsableTU(TU)) {
7299 FileEntry *FE = static_cast<FileEntry *>(File);
7301 ASTUnit &Unit = *cxtu::getASTUnit(TU);
7302 HeaderSearch &HS = Unit.getPreprocessor().getHeaderSearchInfo();
7303 ModuleMap::KnownHeader Header = HS.findModuleForHeader(FE);
7305 return Header.getModule();
7308 CXFile clang_Module_getASTFile(CXModule CXMod) {
7311 Module *Mod = static_cast<Module*>(CXMod);
7312 return const_cast<FileEntry *>(Mod->getASTFile());
7315 CXModule clang_Module_getParent(CXModule CXMod) {
7318 Module *Mod = static_cast<Module*>(CXMod);
7322 CXString clang_Module_getName(CXModule CXMod) {
7324 return cxstring::createEmpty();
7325 Module *Mod = static_cast<Module*>(CXMod);
7326 return cxstring::createDup(Mod->Name);
7329 CXString clang_Module_getFullName(CXModule CXMod) {
7331 return cxstring::createEmpty();
7332 Module *Mod = static_cast<Module*>(CXMod);
7333 return cxstring::createDup(Mod->getFullModuleName());
7336 int clang_Module_isSystem(CXModule CXMod) {
7339 Module *Mod = static_cast<Module*>(CXMod);
7340 return Mod->IsSystem;
7343 unsigned clang_Module_getNumTopLevelHeaders(CXTranslationUnit TU,
7345 if (isNotUsableTU(TU)) {
7351 Module *Mod = static_cast<Module*>(CXMod);
7352 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7353 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7354 return TopHeaders.size();
7357 CXFile clang_Module_getTopLevelHeader(CXTranslationUnit TU,
7358 CXModule CXMod, unsigned Index) {
7359 if (isNotUsableTU(TU)) {
7365 Module *Mod = static_cast<Module*>(CXMod);
7366 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7368 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7369 if (Index < TopHeaders.size())
7370 return const_cast<FileEntry *>(TopHeaders[Index]);
7375 } // end: extern "C"
7377 //===----------------------------------------------------------------------===//
7378 // C++ AST instrospection.
7379 //===----------------------------------------------------------------------===//
7382 unsigned clang_CXXField_isMutable(CXCursor C) {
7383 if (!clang_isDeclaration(C.kind))
7386 if (const auto D = cxcursor::getCursorDecl(C))
7387 if (const auto FD = dyn_cast_or_null<FieldDecl>(D))
7388 return FD->isMutable() ? 1 : 0;
7392 unsigned clang_CXXMethod_isPureVirtual(CXCursor C) {
7393 if (!clang_isDeclaration(C.kind))
7396 const Decl *D = cxcursor::getCursorDecl(C);
7397 const CXXMethodDecl *Method =
7398 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7399 return (Method && Method->isVirtual() && Method->isPure()) ? 1 : 0;
7402 unsigned clang_CXXMethod_isConst(CXCursor C) {
7403 if (!clang_isDeclaration(C.kind))
7406 const Decl *D = cxcursor::getCursorDecl(C);
7407 const CXXMethodDecl *Method =
7408 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7409 return (Method && (Method->getTypeQualifiers() & Qualifiers::Const)) ? 1 : 0;
7412 unsigned clang_CXXMethod_isStatic(CXCursor C) {
7413 if (!clang_isDeclaration(C.kind))
7416 const Decl *D = cxcursor::getCursorDecl(C);
7417 const CXXMethodDecl *Method =
7418 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7419 return (Method && Method->isStatic()) ? 1 : 0;
7422 unsigned clang_CXXMethod_isVirtual(CXCursor C) {
7423 if (!clang_isDeclaration(C.kind))
7426 const Decl *D = cxcursor::getCursorDecl(C);
7427 const CXXMethodDecl *Method =
7428 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7429 return (Method && Method->isVirtual()) ? 1 : 0;
7431 } // end: extern "C"
7433 //===----------------------------------------------------------------------===//
7434 // Attribute introspection.
7435 //===----------------------------------------------------------------------===//
7438 CXType clang_getIBOutletCollectionType(CXCursor C) {
7439 if (C.kind != CXCursor_IBOutletCollectionAttr)
7440 return cxtype::MakeCXType(QualType(), cxcursor::getCursorTU(C));
7442 const IBOutletCollectionAttr *A =
7443 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
7445 return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorTU(C));
7447 } // end: extern "C"
7449 //===----------------------------------------------------------------------===//
7450 // Inspecting memory usage.
7451 //===----------------------------------------------------------------------===//
7453 typedef std::vector<CXTUResourceUsageEntry> MemUsageEntries;
7455 static inline void createCXTUResourceUsageEntry(MemUsageEntries &entries,
7456 enum CXTUResourceUsageKind k,
7457 unsigned long amount) {
7458 CXTUResourceUsageEntry entry = { k, amount };
7459 entries.push_back(entry);
7464 const char *clang_getTUResourceUsageName(CXTUResourceUsageKind kind) {
7465 const char *str = "";
7467 case CXTUResourceUsage_AST:
7468 str = "ASTContext: expressions, declarations, and types";
7470 case CXTUResourceUsage_Identifiers:
7471 str = "ASTContext: identifiers";
7473 case CXTUResourceUsage_Selectors:
7474 str = "ASTContext: selectors";
7476 case CXTUResourceUsage_GlobalCompletionResults:
7477 str = "Code completion: cached global results";
7479 case CXTUResourceUsage_SourceManagerContentCache:
7480 str = "SourceManager: content cache allocator";
7482 case CXTUResourceUsage_AST_SideTables:
7483 str = "ASTContext: side tables";
7485 case CXTUResourceUsage_SourceManager_Membuffer_Malloc:
7486 str = "SourceManager: malloc'ed memory buffers";
7488 case CXTUResourceUsage_SourceManager_Membuffer_MMap:
7489 str = "SourceManager: mmap'ed memory buffers";
7491 case CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc:
7492 str = "ExternalASTSource: malloc'ed memory buffers";
7494 case CXTUResourceUsage_ExternalASTSource_Membuffer_MMap:
7495 str = "ExternalASTSource: mmap'ed memory buffers";
7497 case CXTUResourceUsage_Preprocessor:
7498 str = "Preprocessor: malloc'ed memory";
7500 case CXTUResourceUsage_PreprocessingRecord:
7501 str = "Preprocessor: PreprocessingRecord";
7503 case CXTUResourceUsage_SourceManager_DataStructures:
7504 str = "SourceManager: data structures and tables";
7506 case CXTUResourceUsage_Preprocessor_HeaderSearch:
7507 str = "Preprocessor: header search tables";
7513 CXTUResourceUsage clang_getCXTUResourceUsage(CXTranslationUnit TU) {
7514 if (isNotUsableTU(TU)) {
7516 CXTUResourceUsage usage = { (void*) nullptr, 0, nullptr };
7520 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7521 std::unique_ptr<MemUsageEntries> entries(new MemUsageEntries());
7522 ASTContext &astContext = astUnit->getASTContext();
7524 // How much memory is used by AST nodes and types?
7525 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST,
7526 (unsigned long) astContext.getASTAllocatedMemory());
7528 // How much memory is used by identifiers?
7529 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Identifiers,
7530 (unsigned long) astContext.Idents.getAllocator().getTotalMemory());
7532 // How much memory is used for selectors?
7533 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Selectors,
7534 (unsigned long) astContext.Selectors.getTotalMemory());
7536 // How much memory is used by ASTContext's side tables?
7537 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST_SideTables,
7538 (unsigned long) astContext.getSideTableAllocatedMemory());
7540 // How much memory is used for caching global code completion results?
7541 unsigned long completionBytes = 0;
7542 if (GlobalCodeCompletionAllocator *completionAllocator =
7543 astUnit->getCachedCompletionAllocator().get()) {
7544 completionBytes = completionAllocator->getTotalMemory();
7546 createCXTUResourceUsageEntry(*entries,
7547 CXTUResourceUsage_GlobalCompletionResults,
7550 // How much memory is being used by SourceManager's content cache?
7551 createCXTUResourceUsageEntry(*entries,
7552 CXTUResourceUsage_SourceManagerContentCache,
7553 (unsigned long) astContext.getSourceManager().getContentCacheSize());
7555 // How much memory is being used by the MemoryBuffer's in SourceManager?
7556 const SourceManager::MemoryBufferSizes &srcBufs =
7557 astUnit->getSourceManager().getMemoryBufferSizes();
7559 createCXTUResourceUsageEntry(*entries,
7560 CXTUResourceUsage_SourceManager_Membuffer_Malloc,
7561 (unsigned long) srcBufs.malloc_bytes);
7562 createCXTUResourceUsageEntry(*entries,
7563 CXTUResourceUsage_SourceManager_Membuffer_MMap,
7564 (unsigned long) srcBufs.mmap_bytes);
7565 createCXTUResourceUsageEntry(*entries,
7566 CXTUResourceUsage_SourceManager_DataStructures,
7567 (unsigned long) astContext.getSourceManager()
7568 .getDataStructureSizes());
7570 // How much memory is being used by the ExternalASTSource?
7571 if (ExternalASTSource *esrc = astContext.getExternalSource()) {
7572 const ExternalASTSource::MemoryBufferSizes &sizes =
7573 esrc->getMemoryBufferSizes();
7575 createCXTUResourceUsageEntry(*entries,
7576 CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc,
7577 (unsigned long) sizes.malloc_bytes);
7578 createCXTUResourceUsageEntry(*entries,
7579 CXTUResourceUsage_ExternalASTSource_Membuffer_MMap,
7580 (unsigned long) sizes.mmap_bytes);
7583 // How much memory is being used by the Preprocessor?
7584 Preprocessor &pp = astUnit->getPreprocessor();
7585 createCXTUResourceUsageEntry(*entries,
7586 CXTUResourceUsage_Preprocessor,
7587 pp.getTotalMemory());
7589 if (PreprocessingRecord *pRec = pp.getPreprocessingRecord()) {
7590 createCXTUResourceUsageEntry(*entries,
7591 CXTUResourceUsage_PreprocessingRecord,
7592 pRec->getTotalMemory());
7595 createCXTUResourceUsageEntry(*entries,
7596 CXTUResourceUsage_Preprocessor_HeaderSearch,
7597 pp.getHeaderSearchInfo().getTotalMemory());
7599 CXTUResourceUsage usage = { (void*) entries.get(),
7600 (unsigned) entries->size(),
7601 !entries->empty() ? &(*entries)[0] : nullptr };
7606 void clang_disposeCXTUResourceUsage(CXTUResourceUsage usage) {
7608 delete (MemUsageEntries*) usage.data;
7611 CXSourceRangeList *clang_getSkippedRanges(CXTranslationUnit TU, CXFile file) {
7612 CXSourceRangeList *skipped = new CXSourceRangeList;
7614 skipped->ranges = nullptr;
7616 if (isNotUsableTU(TU)) {
7624 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7625 PreprocessingRecord *ppRec = astUnit->getPreprocessor().getPreprocessingRecord();
7629 ASTContext &Ctx = astUnit->getASTContext();
7630 SourceManager &sm = Ctx.getSourceManager();
7631 FileEntry *fileEntry = static_cast<FileEntry *>(file);
7632 FileID wantedFileID = sm.translateFile(fileEntry);
7634 const std::vector<SourceRange> &SkippedRanges = ppRec->getSkippedRanges();
7635 std::vector<SourceRange> wantedRanges;
7636 for (std::vector<SourceRange>::const_iterator i = SkippedRanges.begin(), ei = SkippedRanges.end();
7638 if (sm.getFileID(i->getBegin()) == wantedFileID || sm.getFileID(i->getEnd()) == wantedFileID)
7639 wantedRanges.push_back(*i);
7642 skipped->count = wantedRanges.size();
7643 skipped->ranges = new CXSourceRange[skipped->count];
7644 for (unsigned i = 0, ei = skipped->count; i != ei; ++i)
7645 skipped->ranges[i] = cxloc::translateSourceRange(Ctx, wantedRanges[i]);
7650 void clang_disposeSourceRangeList(CXSourceRangeList *ranges) {
7652 delete[] ranges->ranges;
7659 void clang::PrintLibclangResourceUsage(CXTranslationUnit TU) {
7660 CXTUResourceUsage Usage = clang_getCXTUResourceUsage(TU);
7661 for (unsigned I = 0; I != Usage.numEntries; ++I)
7662 fprintf(stderr, " %s: %lu\n",
7663 clang_getTUResourceUsageName(Usage.entries[I].kind),
7664 Usage.entries[I].amount);
7666 clang_disposeCXTUResourceUsage(Usage);
7669 //===----------------------------------------------------------------------===//
7670 // Misc. utility functions.
7671 //===----------------------------------------------------------------------===//
7673 /// Default to using an 8 MB stack size on "safety" threads.
7674 static unsigned SafetyStackThreadSize = 8 << 20;
7678 bool RunSafely(llvm::CrashRecoveryContext &CRC, llvm::function_ref<void()> Fn,
7681 Size = GetSafetyThreadStackSize();
7683 return CRC.RunSafelyOnThread(Fn, Size);
7684 return CRC.RunSafely(Fn);
7687 unsigned GetSafetyThreadStackSize() {
7688 return SafetyStackThreadSize;
7691 void SetSafetyThreadStackSize(unsigned Value) {
7692 SafetyStackThreadSize = Value;
7697 void clang::setThreadBackgroundPriority() {
7698 if (getenv("LIBCLANG_BGPRIO_DISABLE"))
7701 #ifdef USE_DARWIN_THREADS
7702 setpriority(PRIO_DARWIN_THREAD, 0, PRIO_DARWIN_BG);
7706 void cxindex::printDiagsToStderr(ASTUnit *Unit) {
7710 for (ASTUnit::stored_diag_iterator D = Unit->stored_diag_begin(),
7711 DEnd = Unit->stored_diag_end();
7713 CXStoredDiagnostic Diag(*D, Unit->getLangOpts());
7714 CXString Msg = clang_formatDiagnostic(&Diag,
7715 clang_defaultDiagnosticDisplayOptions());
7716 fprintf(stderr, "%s\n", clang_getCString(Msg));
7717 clang_disposeString(Msg);
7719 #ifdef LLVM_ON_WIN32
7720 // On Windows, force a flush, since there may be multiple copies of
7721 // stderr and stdout in the file system, all with different buffers
7722 // but writing to the same device.
7727 MacroInfo *cxindex::getMacroInfo(const IdentifierInfo &II,
7728 SourceLocation MacroDefLoc,
7729 CXTranslationUnit TU){
7730 if (MacroDefLoc.isInvalid() || !TU)
7732 if (!II.hadMacroDefinition())
7735 ASTUnit *Unit = cxtu::getASTUnit(TU);
7736 Preprocessor &PP = Unit->getPreprocessor();
7737 MacroDirective *MD = PP.getLocalMacroDirectiveHistory(&II);
7739 for (MacroDirective::DefInfo
7740 Def = MD->getDefinition(); Def; Def = Def.getPreviousDefinition()) {
7741 if (MacroDefLoc == Def.getMacroInfo()->getDefinitionLoc())
7742 return Def.getMacroInfo();
7749 const MacroInfo *cxindex::getMacroInfo(const MacroDefinitionRecord *MacroDef,
7750 CXTranslationUnit TU) {
7751 if (!MacroDef || !TU)
7753 const IdentifierInfo *II = MacroDef->getName();
7757 return getMacroInfo(*II, MacroDef->getLocation(), TU);
7760 MacroDefinitionRecord *
7761 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, const Token &Tok,
7762 CXTranslationUnit TU) {
7765 if (Tok.isNot(tok::raw_identifier))
7768 if (MI->getNumTokens() == 0)
7770 SourceRange DefRange(MI->getReplacementToken(0).getLocation(),
7771 MI->getDefinitionEndLoc());
7772 ASTUnit *Unit = cxtu::getASTUnit(TU);
7774 // Check that the token is inside the definition and not its argument list.
7775 SourceManager &SM = Unit->getSourceManager();
7776 if (SM.isBeforeInTranslationUnit(Tok.getLocation(), DefRange.getBegin()))
7778 if (SM.isBeforeInTranslationUnit(DefRange.getEnd(), Tok.getLocation()))
7781 Preprocessor &PP = Unit->getPreprocessor();
7782 PreprocessingRecord *PPRec = PP.getPreprocessingRecord();
7786 IdentifierInfo &II = PP.getIdentifierTable().get(Tok.getRawIdentifier());
7787 if (!II.hadMacroDefinition())
7790 // Check that the identifier is not one of the macro arguments.
7791 if (std::find(MI->arg_begin(), MI->arg_end(), &II) != MI->arg_end())
7794 MacroDirective *InnerMD = PP.getLocalMacroDirectiveHistory(&II);
7798 return PPRec->findMacroDefinition(InnerMD->getMacroInfo());
7801 MacroDefinitionRecord *
7802 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, SourceLocation Loc,
7803 CXTranslationUnit TU) {
7804 if (Loc.isInvalid() || !MI || !TU)
7807 if (MI->getNumTokens() == 0)
7809 ASTUnit *Unit = cxtu::getASTUnit(TU);
7810 Preprocessor &PP = Unit->getPreprocessor();
7811 if (!PP.getPreprocessingRecord())
7813 Loc = Unit->getSourceManager().getSpellingLoc(Loc);
7815 if (PP.getRawToken(Loc, Tok))
7818 return checkForMacroInMacroDefinition(MI, Tok, TU);
7823 CXString clang_getClangVersion() {
7824 return cxstring::createDup(getClangFullVersion());
7827 } // end: extern "C"
7829 Logger &cxindex::Logger::operator<<(CXTranslationUnit TU) {
7831 if (ASTUnit *Unit = cxtu::getASTUnit(TU)) {
7832 LogOS << '<' << Unit->getMainFileName() << '>';
7833 if (Unit->isMainFileAST())
7834 LogOS << " (" << Unit->getASTFileName() << ')';
7838 LogOS << "<NULL TU>";
7843 Logger &cxindex::Logger::operator<<(const FileEntry *FE) {
7844 *this << FE->getName();
7848 Logger &cxindex::Logger::operator<<(CXCursor cursor) {
7849 CXString cursorName = clang_getCursorDisplayName(cursor);
7850 *this << cursorName << "@" << clang_getCursorLocation(cursor);
7851 clang_disposeString(cursorName);
7855 Logger &cxindex::Logger::operator<<(CXSourceLocation Loc) {
7857 unsigned Line, Column;
7858 clang_getFileLocation(Loc, &File, &Line, &Column, nullptr);
7859 CXString FileName = clang_getFileName(File);
7860 *this << llvm::format("(%s:%d:%d)", clang_getCString(FileName), Line, Column);
7861 clang_disposeString(FileName);
7865 Logger &cxindex::Logger::operator<<(CXSourceRange range) {
7866 CXSourceLocation BLoc = clang_getRangeStart(range);
7867 CXSourceLocation ELoc = clang_getRangeEnd(range);
7870 unsigned BLine, BColumn;
7871 clang_getFileLocation(BLoc, &BFile, &BLine, &BColumn, nullptr);
7874 unsigned ELine, EColumn;
7875 clang_getFileLocation(ELoc, &EFile, &ELine, &EColumn, nullptr);
7877 CXString BFileName = clang_getFileName(BFile);
7878 if (BFile == EFile) {
7879 *this << llvm::format("[%s %d:%d-%d:%d]", clang_getCString(BFileName),
7880 BLine, BColumn, ELine, EColumn);
7882 CXString EFileName = clang_getFileName(EFile);
7883 *this << llvm::format("[%s:%d:%d - ", clang_getCString(BFileName),
7885 << llvm::format("%s:%d:%d]", clang_getCString(EFileName),
7887 clang_disposeString(EFileName);
7889 clang_disposeString(BFileName);
7893 Logger &cxindex::Logger::operator<<(CXString Str) {
7894 *this << clang_getCString(Str);
7898 Logger &cxindex::Logger::operator<<(const llvm::format_object_base &Fmt) {
7903 static llvm::ManagedStatic<llvm::sys::Mutex> LoggingMutex;
7905 cxindex::Logger::~Logger() {
7906 llvm::sys::ScopedLock L(*LoggingMutex);
7908 static llvm::TimeRecord sBeginTR = llvm::TimeRecord::getCurrentTime();
7910 raw_ostream &OS = llvm::errs();
7911 OS << "[libclang:" << Name << ':';
7913 #ifdef USE_DARWIN_THREADS
7914 // TODO: Portability.
7915 mach_port_t tid = pthread_mach_thread_np(pthread_self());
7919 llvm::TimeRecord TR = llvm::TimeRecord::getCurrentTime();
7920 OS << llvm::format("%7.4f] ", TR.getWallTime() - sBeginTR.getWallTime());
7924 llvm::sys::PrintStackTrace(OS);
7925 OS << "--------------------------------------------------\n";
7929 #ifdef CLANG_TOOL_EXTRA_BUILD
7930 // This anchor is used to force the linker to link the clang-tidy plugin.
7931 extern volatile int ClangTidyPluginAnchorSource;
7932 static int LLVM_ATTRIBUTE_UNUSED ClangTidyPluginAnchorDestination =
7933 ClangTidyPluginAnchorSource;