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 case BuiltinType::OCLImage1d:
1458 case BuiltinType::OCLImage1dArray:
1459 case BuiltinType::OCLImage1dBuffer:
1460 case BuiltinType::OCLImage2d:
1461 case BuiltinType::OCLImage2dArray:
1462 case BuiltinType::OCLImage2dDepth:
1463 case BuiltinType::OCLImage2dArrayDepth:
1464 case BuiltinType::OCLImage2dMSAA:
1465 case BuiltinType::OCLImage2dArrayMSAA:
1466 case BuiltinType::OCLImage2dMSAADepth:
1467 case BuiltinType::OCLImage2dArrayMSAADepth:
1468 case BuiltinType::OCLImage3d:
1469 case BuiltinType::OCLSampler:
1470 case BuiltinType::OCLEvent:
1471 case BuiltinType::OCLClkEvent:
1472 case BuiltinType::OCLQueue:
1473 case BuiltinType::OCLNDRange:
1474 case BuiltinType::OCLReserveID:
1475 #define BUILTIN_TYPE(Id, SingletonId)
1476 #define SIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1477 #define UNSIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1478 #define FLOATING_TYPE(Id, SingletonId) case BuiltinType::Id:
1479 #define PLACEHOLDER_TYPE(Id, SingletonId) case BuiltinType::Id:
1480 #include "clang/AST/BuiltinTypes.def"
1483 case BuiltinType::ObjCId:
1484 VisitType = Context.getObjCIdType();
1487 case BuiltinType::ObjCClass:
1488 VisitType = Context.getObjCClassType();
1491 case BuiltinType::ObjCSel:
1492 VisitType = Context.getObjCSelType();
1496 if (!VisitType.isNull()) {
1497 if (const TypedefType *Typedef = VisitType->getAs<TypedefType>())
1498 return Visit(MakeCursorTypeRef(Typedef->getDecl(), TL.getBuiltinLoc(),
1505 bool CursorVisitor::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
1506 return Visit(MakeCursorTypeRef(TL.getTypedefNameDecl(), TL.getNameLoc(), TU));
1509 bool CursorVisitor::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
1510 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1513 bool CursorVisitor::VisitTagTypeLoc(TagTypeLoc TL) {
1514 if (TL.isDefinition())
1515 return Visit(MakeCXCursor(TL.getDecl(), TU, RegionOfInterest));
1517 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1520 bool CursorVisitor::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
1521 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1524 bool CursorVisitor::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
1525 return Visit(MakeCursorObjCClassRef(TL.getIFaceDecl(), TL.getNameLoc(), TU));
1528 bool CursorVisitor::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
1529 if (TL.hasBaseTypeAsWritten() && Visit(TL.getBaseLoc()))
1532 for (unsigned I = 0, N = TL.getNumTypeArgs(); I != N; ++I) {
1533 if (Visit(TL.getTypeArgTInfo(I)->getTypeLoc()))
1537 for (unsigned I = 0, N = TL.getNumProtocols(); I != N; ++I) {
1538 if (Visit(MakeCursorObjCProtocolRef(TL.getProtocol(I), TL.getProtocolLoc(I),
1546 bool CursorVisitor::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
1547 return Visit(TL.getPointeeLoc());
1550 bool CursorVisitor::VisitParenTypeLoc(ParenTypeLoc TL) {
1551 return Visit(TL.getInnerLoc());
1554 bool CursorVisitor::VisitPointerTypeLoc(PointerTypeLoc TL) {
1555 return Visit(TL.getPointeeLoc());
1558 bool CursorVisitor::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
1559 return Visit(TL.getPointeeLoc());
1562 bool CursorVisitor::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
1563 return Visit(TL.getPointeeLoc());
1566 bool CursorVisitor::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
1567 return Visit(TL.getPointeeLoc());
1570 bool CursorVisitor::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
1571 return Visit(TL.getPointeeLoc());
1574 bool CursorVisitor::VisitAttributedTypeLoc(AttributedTypeLoc TL) {
1575 return Visit(TL.getModifiedLoc());
1578 bool CursorVisitor::VisitFunctionTypeLoc(FunctionTypeLoc TL,
1579 bool SkipResultType) {
1580 if (!SkipResultType && Visit(TL.getReturnLoc()))
1583 for (unsigned I = 0, N = TL.getNumParams(); I != N; ++I)
1584 if (Decl *D = TL.getParam(I))
1585 if (Visit(MakeCXCursor(D, TU, RegionOfInterest)))
1591 bool CursorVisitor::VisitArrayTypeLoc(ArrayTypeLoc TL) {
1592 if (Visit(TL.getElementLoc()))
1595 if (Expr *Size = TL.getSizeExpr())
1596 return Visit(MakeCXCursor(Size, StmtParent, TU, RegionOfInterest));
1601 bool CursorVisitor::VisitDecayedTypeLoc(DecayedTypeLoc TL) {
1602 return Visit(TL.getOriginalLoc());
1605 bool CursorVisitor::VisitAdjustedTypeLoc(AdjustedTypeLoc TL) {
1606 return Visit(TL.getOriginalLoc());
1609 bool CursorVisitor::VisitTemplateSpecializationTypeLoc(
1610 TemplateSpecializationTypeLoc TL) {
1611 // Visit the template name.
1612 if (VisitTemplateName(TL.getTypePtr()->getTemplateName(),
1613 TL.getTemplateNameLoc()))
1616 // Visit the template arguments.
1617 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1618 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1624 bool CursorVisitor::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
1625 return Visit(MakeCXCursor(TL.getUnderlyingExpr(), StmtParent, TU));
1628 bool CursorVisitor::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
1629 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1630 return Visit(TSInfo->getTypeLoc());
1635 bool CursorVisitor::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) {
1636 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1637 return Visit(TSInfo->getTypeLoc());
1642 bool CursorVisitor::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) {
1643 return VisitNestedNameSpecifierLoc(TL.getQualifierLoc());
1646 bool CursorVisitor::VisitDependentTemplateSpecializationTypeLoc(
1647 DependentTemplateSpecializationTypeLoc TL) {
1648 // Visit the nested-name-specifier, if there is one.
1649 if (TL.getQualifierLoc() &&
1650 VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1653 // Visit the template arguments.
1654 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1655 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1661 bool CursorVisitor::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
1662 if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1665 return Visit(TL.getNamedTypeLoc());
1668 bool CursorVisitor::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) {
1669 return Visit(TL.getPatternLoc());
1672 bool CursorVisitor::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
1673 if (Expr *E = TL.getUnderlyingExpr())
1674 return Visit(MakeCXCursor(E, StmtParent, TU));
1679 bool CursorVisitor::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) {
1680 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1683 bool CursorVisitor::VisitAtomicTypeLoc(AtomicTypeLoc TL) {
1684 return Visit(TL.getValueLoc());
1687 bool CursorVisitor::VisitPipeTypeLoc(PipeTypeLoc TL) {
1688 return Visit(TL.getValueLoc());
1691 #define DEFAULT_TYPELOC_IMPL(CLASS, PARENT) \
1692 bool CursorVisitor::Visit##CLASS##TypeLoc(CLASS##TypeLoc TL) { \
1693 return Visit##PARENT##Loc(TL); \
1696 DEFAULT_TYPELOC_IMPL(Complex, Type)
1697 DEFAULT_TYPELOC_IMPL(ConstantArray, ArrayType)
1698 DEFAULT_TYPELOC_IMPL(IncompleteArray, ArrayType)
1699 DEFAULT_TYPELOC_IMPL(VariableArray, ArrayType)
1700 DEFAULT_TYPELOC_IMPL(DependentSizedArray, ArrayType)
1701 DEFAULT_TYPELOC_IMPL(DependentSizedExtVector, Type)
1702 DEFAULT_TYPELOC_IMPL(Vector, Type)
1703 DEFAULT_TYPELOC_IMPL(ExtVector, VectorType)
1704 DEFAULT_TYPELOC_IMPL(FunctionProto, FunctionType)
1705 DEFAULT_TYPELOC_IMPL(FunctionNoProto, FunctionType)
1706 DEFAULT_TYPELOC_IMPL(Record, TagType)
1707 DEFAULT_TYPELOC_IMPL(Enum, TagType)
1708 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParm, Type)
1709 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParmPack, Type)
1710 DEFAULT_TYPELOC_IMPL(Auto, Type)
1712 bool CursorVisitor::VisitCXXRecordDecl(CXXRecordDecl *D) {
1713 // Visit the nested-name-specifier, if present.
1714 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1715 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1718 if (D->isCompleteDefinition()) {
1719 for (const auto &I : D->bases()) {
1720 if (Visit(cxcursor::MakeCursorCXXBaseSpecifier(&I, TU)))
1725 return VisitTagDecl(D);
1728 bool CursorVisitor::VisitAttributes(Decl *D) {
1729 for (const auto *I : D->attrs())
1730 if (Visit(MakeCXCursor(I, D, TU)))
1736 //===----------------------------------------------------------------------===//
1737 // Data-recursive visitor methods.
1738 //===----------------------------------------------------------------------===//
1741 #define DEF_JOB(NAME, DATA, KIND)\
1742 class NAME : public VisitorJob {\
1744 NAME(const DATA *d, CXCursor parent) : \
1745 VisitorJob(parent, VisitorJob::KIND, d) {} \
1746 static bool classof(const VisitorJob *VJ) { return VJ->getKind() == KIND; }\
1747 const DATA *get() const { return static_cast<const DATA*>(data[0]); }\
1750 DEF_JOB(StmtVisit, Stmt, StmtVisitKind)
1751 DEF_JOB(MemberExprParts, MemberExpr, MemberExprPartsKind)
1752 DEF_JOB(DeclRefExprParts, DeclRefExpr, DeclRefExprPartsKind)
1753 DEF_JOB(OverloadExprParts, OverloadExpr, OverloadExprPartsKind)
1754 DEF_JOB(SizeOfPackExprParts, SizeOfPackExpr, SizeOfPackExprPartsKind)
1755 DEF_JOB(LambdaExprParts, LambdaExpr, LambdaExprPartsKind)
1756 DEF_JOB(PostChildrenVisit, void, PostChildrenVisitKind)
1759 class ExplicitTemplateArgsVisit : public VisitorJob {
1761 ExplicitTemplateArgsVisit(const TemplateArgumentLoc *Begin,
1762 const TemplateArgumentLoc *End, CXCursor parent)
1763 : VisitorJob(parent, VisitorJob::ExplicitTemplateArgsVisitKind, Begin,
1765 static bool classof(const VisitorJob *VJ) {
1766 return VJ->getKind() == ExplicitTemplateArgsVisitKind;
1768 const TemplateArgumentLoc *begin() const {
1769 return static_cast<const TemplateArgumentLoc *>(data[0]);
1771 const TemplateArgumentLoc *end() {
1772 return static_cast<const TemplateArgumentLoc *>(data[1]);
1775 class DeclVisit : public VisitorJob {
1777 DeclVisit(const Decl *D, CXCursor parent, bool isFirst) :
1778 VisitorJob(parent, VisitorJob::DeclVisitKind,
1779 D, isFirst ? (void*) 1 : (void*) nullptr) {}
1780 static bool classof(const VisitorJob *VJ) {
1781 return VJ->getKind() == DeclVisitKind;
1783 const Decl *get() const { return static_cast<const Decl *>(data[0]); }
1784 bool isFirst() const { return data[1] != nullptr; }
1786 class TypeLocVisit : public VisitorJob {
1788 TypeLocVisit(TypeLoc tl, CXCursor parent) :
1789 VisitorJob(parent, VisitorJob::TypeLocVisitKind,
1790 tl.getType().getAsOpaquePtr(), tl.getOpaqueData()) {}
1792 static bool classof(const VisitorJob *VJ) {
1793 return VJ->getKind() == TypeLocVisitKind;
1796 TypeLoc get() const {
1797 QualType T = QualType::getFromOpaquePtr(data[0]);
1798 return TypeLoc(T, const_cast<void *>(data[1]));
1802 class LabelRefVisit : public VisitorJob {
1804 LabelRefVisit(LabelDecl *LD, SourceLocation labelLoc, CXCursor parent)
1805 : VisitorJob(parent, VisitorJob::LabelRefVisitKind, LD,
1806 labelLoc.getPtrEncoding()) {}
1808 static bool classof(const VisitorJob *VJ) {
1809 return VJ->getKind() == VisitorJob::LabelRefVisitKind;
1811 const LabelDecl *get() const {
1812 return static_cast<const LabelDecl *>(data[0]);
1814 SourceLocation getLoc() const {
1815 return SourceLocation::getFromPtrEncoding(data[1]); }
1818 class NestedNameSpecifierLocVisit : public VisitorJob {
1820 NestedNameSpecifierLocVisit(NestedNameSpecifierLoc Qualifier, CXCursor parent)
1821 : VisitorJob(parent, VisitorJob::NestedNameSpecifierLocVisitKind,
1822 Qualifier.getNestedNameSpecifier(),
1823 Qualifier.getOpaqueData()) { }
1825 static bool classof(const VisitorJob *VJ) {
1826 return VJ->getKind() == VisitorJob::NestedNameSpecifierLocVisitKind;
1829 NestedNameSpecifierLoc get() const {
1830 return NestedNameSpecifierLoc(
1831 const_cast<NestedNameSpecifier *>(
1832 static_cast<const NestedNameSpecifier *>(data[0])),
1833 const_cast<void *>(data[1]));
1837 class DeclarationNameInfoVisit : public VisitorJob {
1839 DeclarationNameInfoVisit(const Stmt *S, CXCursor parent)
1840 : VisitorJob(parent, VisitorJob::DeclarationNameInfoVisitKind, S) {}
1841 static bool classof(const VisitorJob *VJ) {
1842 return VJ->getKind() == VisitorJob::DeclarationNameInfoVisitKind;
1844 DeclarationNameInfo get() const {
1845 const Stmt *S = static_cast<const Stmt *>(data[0]);
1846 switch (S->getStmtClass()) {
1848 llvm_unreachable("Unhandled Stmt");
1849 case clang::Stmt::MSDependentExistsStmtClass:
1850 return cast<MSDependentExistsStmt>(S)->getNameInfo();
1851 case Stmt::CXXDependentScopeMemberExprClass:
1852 return cast<CXXDependentScopeMemberExpr>(S)->getMemberNameInfo();
1853 case Stmt::DependentScopeDeclRefExprClass:
1854 return cast<DependentScopeDeclRefExpr>(S)->getNameInfo();
1855 case Stmt::OMPCriticalDirectiveClass:
1856 return cast<OMPCriticalDirective>(S)->getDirectiveName();
1860 class MemberRefVisit : public VisitorJob {
1862 MemberRefVisit(const FieldDecl *D, SourceLocation L, CXCursor parent)
1863 : VisitorJob(parent, VisitorJob::MemberRefVisitKind, D,
1864 L.getPtrEncoding()) {}
1865 static bool classof(const VisitorJob *VJ) {
1866 return VJ->getKind() == VisitorJob::MemberRefVisitKind;
1868 const FieldDecl *get() const {
1869 return static_cast<const FieldDecl *>(data[0]);
1871 SourceLocation getLoc() const {
1872 return SourceLocation::getFromRawEncoding((unsigned)(uintptr_t) data[1]);
1875 class EnqueueVisitor : public ConstStmtVisitor<EnqueueVisitor, void> {
1876 friend class OMPClauseEnqueue;
1877 VisitorWorkList &WL;
1880 EnqueueVisitor(VisitorWorkList &wl, CXCursor parent)
1881 : WL(wl), Parent(parent) {}
1883 void VisitAddrLabelExpr(const AddrLabelExpr *E);
1884 void VisitBlockExpr(const BlockExpr *B);
1885 void VisitCompoundLiteralExpr(const CompoundLiteralExpr *E);
1886 void VisitCompoundStmt(const CompoundStmt *S);
1887 void VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *E) { /* Do nothing. */ }
1888 void VisitMSDependentExistsStmt(const MSDependentExistsStmt *S);
1889 void VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E);
1890 void VisitCXXNewExpr(const CXXNewExpr *E);
1891 void VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *E);
1892 void VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *E);
1893 void VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *E);
1894 void VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *E);
1895 void VisitCXXTypeidExpr(const CXXTypeidExpr *E);
1896 void VisitCXXUnresolvedConstructExpr(const CXXUnresolvedConstructExpr *E);
1897 void VisitCXXUuidofExpr(const CXXUuidofExpr *E);
1898 void VisitCXXCatchStmt(const CXXCatchStmt *S);
1899 void VisitCXXForRangeStmt(const CXXForRangeStmt *S);
1900 void VisitDeclRefExpr(const DeclRefExpr *D);
1901 void VisitDeclStmt(const DeclStmt *S);
1902 void VisitDependentScopeDeclRefExpr(const DependentScopeDeclRefExpr *E);
1903 void VisitDesignatedInitExpr(const DesignatedInitExpr *E);
1904 void VisitExplicitCastExpr(const ExplicitCastExpr *E);
1905 void VisitForStmt(const ForStmt *FS);
1906 void VisitGotoStmt(const GotoStmt *GS);
1907 void VisitIfStmt(const IfStmt *If);
1908 void VisitInitListExpr(const InitListExpr *IE);
1909 void VisitMemberExpr(const MemberExpr *M);
1910 void VisitOffsetOfExpr(const OffsetOfExpr *E);
1911 void VisitObjCEncodeExpr(const ObjCEncodeExpr *E);
1912 void VisitObjCMessageExpr(const ObjCMessageExpr *M);
1913 void VisitOverloadExpr(const OverloadExpr *E);
1914 void VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *E);
1915 void VisitStmt(const Stmt *S);
1916 void VisitSwitchStmt(const SwitchStmt *S);
1917 void VisitWhileStmt(const WhileStmt *W);
1918 void VisitTypeTraitExpr(const TypeTraitExpr *E);
1919 void VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E);
1920 void VisitExpressionTraitExpr(const ExpressionTraitExpr *E);
1921 void VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U);
1922 void VisitVAArgExpr(const VAArgExpr *E);
1923 void VisitSizeOfPackExpr(const SizeOfPackExpr *E);
1924 void VisitPseudoObjectExpr(const PseudoObjectExpr *E);
1925 void VisitOpaqueValueExpr(const OpaqueValueExpr *E);
1926 void VisitLambdaExpr(const LambdaExpr *E);
1927 void VisitOMPExecutableDirective(const OMPExecutableDirective *D);
1928 void VisitOMPLoopDirective(const OMPLoopDirective *D);
1929 void VisitOMPParallelDirective(const OMPParallelDirective *D);
1930 void VisitOMPSimdDirective(const OMPSimdDirective *D);
1931 void VisitOMPForDirective(const OMPForDirective *D);
1932 void VisitOMPForSimdDirective(const OMPForSimdDirective *D);
1933 void VisitOMPSectionsDirective(const OMPSectionsDirective *D);
1934 void VisitOMPSectionDirective(const OMPSectionDirective *D);
1935 void VisitOMPSingleDirective(const OMPSingleDirective *D);
1936 void VisitOMPMasterDirective(const OMPMasterDirective *D);
1937 void VisitOMPCriticalDirective(const OMPCriticalDirective *D);
1938 void VisitOMPParallelForDirective(const OMPParallelForDirective *D);
1939 void VisitOMPParallelForSimdDirective(const OMPParallelForSimdDirective *D);
1940 void VisitOMPParallelSectionsDirective(const OMPParallelSectionsDirective *D);
1941 void VisitOMPTaskDirective(const OMPTaskDirective *D);
1942 void VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D);
1943 void VisitOMPBarrierDirective(const OMPBarrierDirective *D);
1944 void VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D);
1945 void VisitOMPTaskgroupDirective(const OMPTaskgroupDirective *D);
1947 VisitOMPCancellationPointDirective(const OMPCancellationPointDirective *D);
1948 void VisitOMPCancelDirective(const OMPCancelDirective *D);
1949 void VisitOMPFlushDirective(const OMPFlushDirective *D);
1950 void VisitOMPOrderedDirective(const OMPOrderedDirective *D);
1951 void VisitOMPAtomicDirective(const OMPAtomicDirective *D);
1952 void VisitOMPTargetDirective(const OMPTargetDirective *D);
1953 void VisitOMPTargetDataDirective(const OMPTargetDataDirective *D);
1954 void VisitOMPTargetEnterDataDirective(const OMPTargetEnterDataDirective *D);
1955 void VisitOMPTargetExitDataDirective(const OMPTargetExitDataDirective *D);
1956 void VisitOMPTargetParallelDirective(const OMPTargetParallelDirective *D);
1958 VisitOMPTargetParallelForDirective(const OMPTargetParallelForDirective *D);
1959 void VisitOMPTeamsDirective(const OMPTeamsDirective *D);
1960 void VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *D);
1961 void VisitOMPTaskLoopSimdDirective(const OMPTaskLoopSimdDirective *D);
1962 void VisitOMPDistributeDirective(const OMPDistributeDirective *D);
1965 void AddDeclarationNameInfo(const Stmt *S);
1966 void AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier);
1967 void AddExplicitTemplateArgs(const TemplateArgumentLoc *A,
1968 unsigned NumTemplateArgs);
1969 void AddMemberRef(const FieldDecl *D, SourceLocation L);
1970 void AddStmt(const Stmt *S);
1971 void AddDecl(const Decl *D, bool isFirst = true);
1972 void AddTypeLoc(TypeSourceInfo *TI);
1973 void EnqueueChildren(const Stmt *S);
1974 void EnqueueChildren(const OMPClause *S);
1976 } // end anonyous namespace
1978 void EnqueueVisitor::AddDeclarationNameInfo(const Stmt *S) {
1979 // 'S' should always be non-null, since it comes from the
1980 // statement we are visiting.
1981 WL.push_back(DeclarationNameInfoVisit(S, Parent));
1985 EnqueueVisitor::AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1987 WL.push_back(NestedNameSpecifierLocVisit(Qualifier, Parent));
1990 void EnqueueVisitor::AddStmt(const Stmt *S) {
1992 WL.push_back(StmtVisit(S, Parent));
1994 void EnqueueVisitor::AddDecl(const Decl *D, bool isFirst) {
1996 WL.push_back(DeclVisit(D, Parent, isFirst));
1998 void EnqueueVisitor::AddExplicitTemplateArgs(const TemplateArgumentLoc *A,
1999 unsigned NumTemplateArgs) {
2000 WL.push_back(ExplicitTemplateArgsVisit(A, A + NumTemplateArgs, Parent));
2002 void EnqueueVisitor::AddMemberRef(const FieldDecl *D, SourceLocation L) {
2004 WL.push_back(MemberRefVisit(D, L, Parent));
2006 void EnqueueVisitor::AddTypeLoc(TypeSourceInfo *TI) {
2008 WL.push_back(TypeLocVisit(TI->getTypeLoc(), Parent));
2010 void EnqueueVisitor::EnqueueChildren(const Stmt *S) {
2011 unsigned size = WL.size();
2012 for (const Stmt *SubStmt : S->children()) {
2015 if (size == WL.size())
2017 // Now reverse the entries we just added. This will match the DFS
2018 // ordering performed by the worklist.
2019 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2023 class OMPClauseEnqueue : public ConstOMPClauseVisitor<OMPClauseEnqueue> {
2024 EnqueueVisitor *Visitor;
2025 /// \brief Process clauses with list of variables.
2026 template <typename T>
2027 void VisitOMPClauseList(T *Node);
2029 OMPClauseEnqueue(EnqueueVisitor *Visitor) : Visitor(Visitor) { }
2030 #define OPENMP_CLAUSE(Name, Class) \
2031 void Visit##Class(const Class *C);
2032 #include "clang/Basic/OpenMPKinds.def"
2033 void VisitOMPClauseWithPreInit(const OMPClauseWithPreInit *C);
2036 void OMPClauseEnqueue::VisitOMPClauseWithPreInit(
2037 const OMPClauseWithPreInit *C) {
2038 Visitor->AddStmt(C->getPreInitStmt());
2041 void OMPClauseEnqueue::VisitOMPIfClause(const OMPIfClause *C) {
2042 Visitor->AddStmt(C->getCondition());
2045 void OMPClauseEnqueue::VisitOMPFinalClause(const OMPFinalClause *C) {
2046 Visitor->AddStmt(C->getCondition());
2049 void OMPClauseEnqueue::VisitOMPNumThreadsClause(const OMPNumThreadsClause *C) {
2050 Visitor->AddStmt(C->getNumThreads());
2053 void OMPClauseEnqueue::VisitOMPSafelenClause(const OMPSafelenClause *C) {
2054 Visitor->AddStmt(C->getSafelen());
2057 void OMPClauseEnqueue::VisitOMPSimdlenClause(const OMPSimdlenClause *C) {
2058 Visitor->AddStmt(C->getSimdlen());
2061 void OMPClauseEnqueue::VisitOMPCollapseClause(const OMPCollapseClause *C) {
2062 Visitor->AddStmt(C->getNumForLoops());
2065 void OMPClauseEnqueue::VisitOMPDefaultClause(const OMPDefaultClause *C) { }
2067 void OMPClauseEnqueue::VisitOMPProcBindClause(const OMPProcBindClause *C) { }
2069 void OMPClauseEnqueue::VisitOMPScheduleClause(const OMPScheduleClause *C) {
2070 VisitOMPClauseWithPreInit(C);
2071 Visitor->AddStmt(C->getChunkSize());
2074 void OMPClauseEnqueue::VisitOMPOrderedClause(const OMPOrderedClause *C) {
2075 Visitor->AddStmt(C->getNumForLoops());
2078 void OMPClauseEnqueue::VisitOMPNowaitClause(const OMPNowaitClause *) {}
2080 void OMPClauseEnqueue::VisitOMPUntiedClause(const OMPUntiedClause *) {}
2082 void OMPClauseEnqueue::VisitOMPMergeableClause(const OMPMergeableClause *) {}
2084 void OMPClauseEnqueue::VisitOMPReadClause(const OMPReadClause *) {}
2086 void OMPClauseEnqueue::VisitOMPWriteClause(const OMPWriteClause *) {}
2088 void OMPClauseEnqueue::VisitOMPUpdateClause(const OMPUpdateClause *) {}
2090 void OMPClauseEnqueue::VisitOMPCaptureClause(const OMPCaptureClause *) {}
2092 void OMPClauseEnqueue::VisitOMPSeqCstClause(const OMPSeqCstClause *) {}
2094 void OMPClauseEnqueue::VisitOMPThreadsClause(const OMPThreadsClause *) {}
2096 void OMPClauseEnqueue::VisitOMPSIMDClause(const OMPSIMDClause *) {}
2098 void OMPClauseEnqueue::VisitOMPNogroupClause(const OMPNogroupClause *) {}
2100 void OMPClauseEnqueue::VisitOMPDeviceClause(const OMPDeviceClause *C) {
2101 Visitor->AddStmt(C->getDevice());
2104 void OMPClauseEnqueue::VisitOMPNumTeamsClause(const OMPNumTeamsClause *C) {
2105 Visitor->AddStmt(C->getNumTeams());
2108 void OMPClauseEnqueue::VisitOMPThreadLimitClause(const OMPThreadLimitClause *C) {
2109 Visitor->AddStmt(C->getThreadLimit());
2112 void OMPClauseEnqueue::VisitOMPPriorityClause(const OMPPriorityClause *C) {
2113 Visitor->AddStmt(C->getPriority());
2116 void OMPClauseEnqueue::VisitOMPGrainsizeClause(const OMPGrainsizeClause *C) {
2117 Visitor->AddStmt(C->getGrainsize());
2120 void OMPClauseEnqueue::VisitOMPNumTasksClause(const OMPNumTasksClause *C) {
2121 Visitor->AddStmt(C->getNumTasks());
2124 void OMPClauseEnqueue::VisitOMPHintClause(const OMPHintClause *C) {
2125 Visitor->AddStmt(C->getHint());
2128 template<typename T>
2129 void OMPClauseEnqueue::VisitOMPClauseList(T *Node) {
2130 for (const auto *I : Node->varlists()) {
2131 Visitor->AddStmt(I);
2135 void OMPClauseEnqueue::VisitOMPPrivateClause(const OMPPrivateClause *C) {
2136 VisitOMPClauseList(C);
2137 for (const auto *E : C->private_copies()) {
2138 Visitor->AddStmt(E);
2141 void OMPClauseEnqueue::VisitOMPFirstprivateClause(
2142 const OMPFirstprivateClause *C) {
2143 VisitOMPClauseList(C);
2144 VisitOMPClauseWithPreInit(C);
2145 for (const auto *E : C->private_copies()) {
2146 Visitor->AddStmt(E);
2148 for (const auto *E : C->inits()) {
2149 Visitor->AddStmt(E);
2152 void OMPClauseEnqueue::VisitOMPLastprivateClause(
2153 const OMPLastprivateClause *C) {
2154 VisitOMPClauseList(C);
2155 for (auto *E : C->private_copies()) {
2156 Visitor->AddStmt(E);
2158 for (auto *E : C->source_exprs()) {
2159 Visitor->AddStmt(E);
2161 for (auto *E : C->destination_exprs()) {
2162 Visitor->AddStmt(E);
2164 for (auto *E : C->assignment_ops()) {
2165 Visitor->AddStmt(E);
2168 void OMPClauseEnqueue::VisitOMPSharedClause(const OMPSharedClause *C) {
2169 VisitOMPClauseList(C);
2171 void OMPClauseEnqueue::VisitOMPReductionClause(const OMPReductionClause *C) {
2172 VisitOMPClauseList(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 for (const auto *E : C->privates()) {
2189 Visitor->AddStmt(E);
2191 for (const auto *E : C->inits()) {
2192 Visitor->AddStmt(E);
2194 for (const auto *E : C->updates()) {
2195 Visitor->AddStmt(E);
2197 for (const auto *E : C->finals()) {
2198 Visitor->AddStmt(E);
2200 Visitor->AddStmt(C->getStep());
2201 Visitor->AddStmt(C->getCalcStep());
2203 void OMPClauseEnqueue::VisitOMPAlignedClause(const OMPAlignedClause *C) {
2204 VisitOMPClauseList(C);
2205 Visitor->AddStmt(C->getAlignment());
2207 void OMPClauseEnqueue::VisitOMPCopyinClause(const OMPCopyinClause *C) {
2208 VisitOMPClauseList(C);
2209 for (auto *E : C->source_exprs()) {
2210 Visitor->AddStmt(E);
2212 for (auto *E : C->destination_exprs()) {
2213 Visitor->AddStmt(E);
2215 for (auto *E : C->assignment_ops()) {
2216 Visitor->AddStmt(E);
2220 OMPClauseEnqueue::VisitOMPCopyprivateClause(const OMPCopyprivateClause *C) {
2221 VisitOMPClauseList(C);
2222 for (auto *E : C->source_exprs()) {
2223 Visitor->AddStmt(E);
2225 for (auto *E : C->destination_exprs()) {
2226 Visitor->AddStmt(E);
2228 for (auto *E : C->assignment_ops()) {
2229 Visitor->AddStmt(E);
2232 void OMPClauseEnqueue::VisitOMPFlushClause(const OMPFlushClause *C) {
2233 VisitOMPClauseList(C);
2235 void OMPClauseEnqueue::VisitOMPDependClause(const OMPDependClause *C) {
2236 VisitOMPClauseList(C);
2238 void OMPClauseEnqueue::VisitOMPMapClause(const OMPMapClause *C) {
2239 VisitOMPClauseList(C);
2241 void OMPClauseEnqueue::VisitOMPDistScheduleClause(
2242 const OMPDistScheduleClause *C) {
2243 VisitOMPClauseWithPreInit(C);
2244 Visitor->AddStmt(C->getChunkSize());
2246 void OMPClauseEnqueue::VisitOMPDefaultmapClause(
2247 const OMPDefaultmapClause * /*C*/) {}
2250 void EnqueueVisitor::EnqueueChildren(const OMPClause *S) {
2251 unsigned size = WL.size();
2252 OMPClauseEnqueue Visitor(this);
2254 if (size == WL.size())
2256 // Now reverse the entries we just added. This will match the DFS
2257 // ordering performed by the worklist.
2258 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2261 void EnqueueVisitor::VisitAddrLabelExpr(const AddrLabelExpr *E) {
2262 WL.push_back(LabelRefVisit(E->getLabel(), E->getLabelLoc(), Parent));
2264 void EnqueueVisitor::VisitBlockExpr(const BlockExpr *B) {
2265 AddDecl(B->getBlockDecl());
2267 void EnqueueVisitor::VisitCompoundLiteralExpr(const CompoundLiteralExpr *E) {
2269 AddTypeLoc(E->getTypeSourceInfo());
2271 void EnqueueVisitor::VisitCompoundStmt(const CompoundStmt *S) {
2272 for (auto &I : llvm::reverse(S->body()))
2275 void EnqueueVisitor::
2276 VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
2277 AddStmt(S->getSubStmt());
2278 AddDeclarationNameInfo(S);
2279 if (NestedNameSpecifierLoc QualifierLoc = S->getQualifierLoc())
2280 AddNestedNameSpecifierLoc(QualifierLoc);
2283 void EnqueueVisitor::
2284 VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E) {
2285 if (E->hasExplicitTemplateArgs())
2286 AddExplicitTemplateArgs(E->getTemplateArgs(), E->getNumTemplateArgs());
2287 AddDeclarationNameInfo(E);
2288 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2289 AddNestedNameSpecifierLoc(QualifierLoc);
2290 if (!E->isImplicitAccess())
2291 AddStmt(E->getBase());
2293 void EnqueueVisitor::VisitCXXNewExpr(const CXXNewExpr *E) {
2294 // Enqueue the initializer , if any.
2295 AddStmt(E->getInitializer());
2296 // Enqueue the array size, if any.
2297 AddStmt(E->getArraySize());
2298 // Enqueue the allocated type.
2299 AddTypeLoc(E->getAllocatedTypeSourceInfo());
2300 // Enqueue the placement arguments.
2301 for (unsigned I = E->getNumPlacementArgs(); I > 0; --I)
2302 AddStmt(E->getPlacementArg(I-1));
2304 void EnqueueVisitor::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *CE) {
2305 for (unsigned I = CE->getNumArgs(); I > 1 /* Yes, this is 1 */; --I)
2306 AddStmt(CE->getArg(I-1));
2307 AddStmt(CE->getCallee());
2308 AddStmt(CE->getArg(0));
2310 void EnqueueVisitor::VisitCXXPseudoDestructorExpr(
2311 const CXXPseudoDestructorExpr *E) {
2312 // Visit the name of the type being destroyed.
2313 AddTypeLoc(E->getDestroyedTypeInfo());
2314 // Visit the scope type that looks disturbingly like the nested-name-specifier
2316 AddTypeLoc(E->getScopeTypeInfo());
2317 // Visit the nested-name-specifier.
2318 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2319 AddNestedNameSpecifierLoc(QualifierLoc);
2320 // Visit base expression.
2321 AddStmt(E->getBase());
2323 void EnqueueVisitor::VisitCXXScalarValueInitExpr(
2324 const CXXScalarValueInitExpr *E) {
2325 AddTypeLoc(E->getTypeSourceInfo());
2327 void EnqueueVisitor::VisitCXXTemporaryObjectExpr(
2328 const CXXTemporaryObjectExpr *E) {
2330 AddTypeLoc(E->getTypeSourceInfo());
2332 void EnqueueVisitor::VisitCXXTypeidExpr(const CXXTypeidExpr *E) {
2334 if (E->isTypeOperand())
2335 AddTypeLoc(E->getTypeOperandSourceInfo());
2338 void EnqueueVisitor::VisitCXXUnresolvedConstructExpr(
2339 const CXXUnresolvedConstructExpr *E) {
2341 AddTypeLoc(E->getTypeSourceInfo());
2343 void EnqueueVisitor::VisitCXXUuidofExpr(const CXXUuidofExpr *E) {
2345 if (E->isTypeOperand())
2346 AddTypeLoc(E->getTypeOperandSourceInfo());
2349 void EnqueueVisitor::VisitCXXCatchStmt(const CXXCatchStmt *S) {
2351 AddDecl(S->getExceptionDecl());
2354 void EnqueueVisitor::VisitCXXForRangeStmt(const CXXForRangeStmt *S) {
2355 AddStmt(S->getBody());
2356 AddStmt(S->getRangeInit());
2357 AddDecl(S->getLoopVariable());
2360 void EnqueueVisitor::VisitDeclRefExpr(const DeclRefExpr *DR) {
2361 if (DR->hasExplicitTemplateArgs())
2362 AddExplicitTemplateArgs(DR->getTemplateArgs(), DR->getNumTemplateArgs());
2363 WL.push_back(DeclRefExprParts(DR, Parent));
2365 void EnqueueVisitor::VisitDependentScopeDeclRefExpr(
2366 const DependentScopeDeclRefExpr *E) {
2367 if (E->hasExplicitTemplateArgs())
2368 AddExplicitTemplateArgs(E->getTemplateArgs(), E->getNumTemplateArgs());
2369 AddDeclarationNameInfo(E);
2370 AddNestedNameSpecifierLoc(E->getQualifierLoc());
2372 void EnqueueVisitor::VisitDeclStmt(const DeclStmt *S) {
2373 unsigned size = WL.size();
2374 bool isFirst = true;
2375 for (const auto *D : S->decls()) {
2376 AddDecl(D, isFirst);
2379 if (size == WL.size())
2381 // Now reverse the entries we just added. This will match the DFS
2382 // ordering performed by the worklist.
2383 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2386 void EnqueueVisitor::VisitDesignatedInitExpr(const DesignatedInitExpr *E) {
2387 AddStmt(E->getInit());
2388 for (DesignatedInitExpr::const_reverse_designators_iterator
2389 D = E->designators_rbegin(), DEnd = E->designators_rend();
2391 if (D->isFieldDesignator()) {
2392 if (FieldDecl *Field = D->getField())
2393 AddMemberRef(Field, D->getFieldLoc());
2396 if (D->isArrayDesignator()) {
2397 AddStmt(E->getArrayIndex(*D));
2400 assert(D->isArrayRangeDesignator() && "Unknown designator kind");
2401 AddStmt(E->getArrayRangeEnd(*D));
2402 AddStmt(E->getArrayRangeStart(*D));
2405 void EnqueueVisitor::VisitExplicitCastExpr(const ExplicitCastExpr *E) {
2407 AddTypeLoc(E->getTypeInfoAsWritten());
2409 void EnqueueVisitor::VisitForStmt(const ForStmt *FS) {
2410 AddStmt(FS->getBody());
2411 AddStmt(FS->getInc());
2412 AddStmt(FS->getCond());
2413 AddDecl(FS->getConditionVariable());
2414 AddStmt(FS->getInit());
2416 void EnqueueVisitor::VisitGotoStmt(const GotoStmt *GS) {
2417 WL.push_back(LabelRefVisit(GS->getLabel(), GS->getLabelLoc(), Parent));
2419 void EnqueueVisitor::VisitIfStmt(const IfStmt *If) {
2420 AddStmt(If->getElse());
2421 AddStmt(If->getThen());
2422 AddStmt(If->getCond());
2423 AddDecl(If->getConditionVariable());
2425 void EnqueueVisitor::VisitInitListExpr(const InitListExpr *IE) {
2426 // We care about the syntactic form of the initializer list, only.
2427 if (InitListExpr *Syntactic = IE->getSyntacticForm())
2429 EnqueueChildren(IE);
2431 void EnqueueVisitor::VisitMemberExpr(const MemberExpr *M) {
2432 WL.push_back(MemberExprParts(M, Parent));
2434 // If the base of the member access expression is an implicit 'this', don't
2436 // FIXME: If we ever want to show these implicit accesses, this will be
2437 // unfortunate. However, clang_getCursor() relies on this behavior.
2438 if (M->isImplicitAccess())
2441 // Ignore base anonymous struct/union fields, otherwise they will shadow the
2442 // real field that that we are interested in.
2443 if (auto *SubME = dyn_cast<MemberExpr>(M->getBase())) {
2444 if (auto *FD = dyn_cast_or_null<FieldDecl>(SubME->getMemberDecl())) {
2445 if (FD->isAnonymousStructOrUnion()) {
2446 AddStmt(SubME->getBase());
2452 AddStmt(M->getBase());
2454 void EnqueueVisitor::VisitObjCEncodeExpr(const ObjCEncodeExpr *E) {
2455 AddTypeLoc(E->getEncodedTypeSourceInfo());
2457 void EnqueueVisitor::VisitObjCMessageExpr(const ObjCMessageExpr *M) {
2459 AddTypeLoc(M->getClassReceiverTypeInfo());
2461 void EnqueueVisitor::VisitOffsetOfExpr(const OffsetOfExpr *E) {
2462 // Visit the components of the offsetof expression.
2463 for (unsigned N = E->getNumComponents(), I = N; I > 0; --I) {
2464 const OffsetOfNode &Node = E->getComponent(I-1);
2465 switch (Node.getKind()) {
2466 case OffsetOfNode::Array:
2467 AddStmt(E->getIndexExpr(Node.getArrayExprIndex()));
2469 case OffsetOfNode::Field:
2470 AddMemberRef(Node.getField(), Node.getSourceRange().getEnd());
2472 case OffsetOfNode::Identifier:
2473 case OffsetOfNode::Base:
2477 // Visit the type into which we're computing the offset.
2478 AddTypeLoc(E->getTypeSourceInfo());
2480 void EnqueueVisitor::VisitOverloadExpr(const OverloadExpr *E) {
2481 if (E->hasExplicitTemplateArgs())
2482 AddExplicitTemplateArgs(E->getTemplateArgs(), E->getNumTemplateArgs());
2483 WL.push_back(OverloadExprParts(E, Parent));
2485 void EnqueueVisitor::VisitUnaryExprOrTypeTraitExpr(
2486 const UnaryExprOrTypeTraitExpr *E) {
2488 if (E->isArgumentType())
2489 AddTypeLoc(E->getArgumentTypeInfo());
2491 void EnqueueVisitor::VisitStmt(const Stmt *S) {
2494 void EnqueueVisitor::VisitSwitchStmt(const SwitchStmt *S) {
2495 AddStmt(S->getBody());
2496 AddStmt(S->getCond());
2497 AddDecl(S->getConditionVariable());
2500 void EnqueueVisitor::VisitWhileStmt(const WhileStmt *W) {
2501 AddStmt(W->getBody());
2502 AddStmt(W->getCond());
2503 AddDecl(W->getConditionVariable());
2506 void EnqueueVisitor::VisitTypeTraitExpr(const TypeTraitExpr *E) {
2507 for (unsigned I = E->getNumArgs(); I > 0; --I)
2508 AddTypeLoc(E->getArg(I-1));
2511 void EnqueueVisitor::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E) {
2512 AddTypeLoc(E->getQueriedTypeSourceInfo());
2515 void EnqueueVisitor::VisitExpressionTraitExpr(const ExpressionTraitExpr *E) {
2519 void EnqueueVisitor::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U) {
2520 VisitOverloadExpr(U);
2521 if (!U->isImplicitAccess())
2522 AddStmt(U->getBase());
2524 void EnqueueVisitor::VisitVAArgExpr(const VAArgExpr *E) {
2525 AddStmt(E->getSubExpr());
2526 AddTypeLoc(E->getWrittenTypeInfo());
2528 void EnqueueVisitor::VisitSizeOfPackExpr(const SizeOfPackExpr *E) {
2529 WL.push_back(SizeOfPackExprParts(E, Parent));
2531 void EnqueueVisitor::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
2532 // If the opaque value has a source expression, just transparently
2533 // visit that. This is useful for (e.g.) pseudo-object expressions.
2534 if (Expr *SourceExpr = E->getSourceExpr())
2535 return Visit(SourceExpr);
2537 void EnqueueVisitor::VisitLambdaExpr(const LambdaExpr *E) {
2538 AddStmt(E->getBody());
2539 WL.push_back(LambdaExprParts(E, Parent));
2541 void EnqueueVisitor::VisitPseudoObjectExpr(const PseudoObjectExpr *E) {
2542 // Treat the expression like its syntactic form.
2543 Visit(E->getSyntacticForm());
2546 void EnqueueVisitor::VisitOMPExecutableDirective(
2547 const OMPExecutableDirective *D) {
2549 for (ArrayRef<OMPClause *>::iterator I = D->clauses().begin(),
2550 E = D->clauses().end();
2552 EnqueueChildren(*I);
2555 void EnqueueVisitor::VisitOMPLoopDirective(const OMPLoopDirective *D) {
2556 VisitOMPExecutableDirective(D);
2559 void EnqueueVisitor::VisitOMPParallelDirective(const OMPParallelDirective *D) {
2560 VisitOMPExecutableDirective(D);
2563 void EnqueueVisitor::VisitOMPSimdDirective(const OMPSimdDirective *D) {
2564 VisitOMPLoopDirective(D);
2567 void EnqueueVisitor::VisitOMPForDirective(const OMPForDirective *D) {
2568 VisitOMPLoopDirective(D);
2571 void EnqueueVisitor::VisitOMPForSimdDirective(const OMPForSimdDirective *D) {
2572 VisitOMPLoopDirective(D);
2575 void EnqueueVisitor::VisitOMPSectionsDirective(const OMPSectionsDirective *D) {
2576 VisitOMPExecutableDirective(D);
2579 void EnqueueVisitor::VisitOMPSectionDirective(const OMPSectionDirective *D) {
2580 VisitOMPExecutableDirective(D);
2583 void EnqueueVisitor::VisitOMPSingleDirective(const OMPSingleDirective *D) {
2584 VisitOMPExecutableDirective(D);
2587 void EnqueueVisitor::VisitOMPMasterDirective(const OMPMasterDirective *D) {
2588 VisitOMPExecutableDirective(D);
2591 void EnqueueVisitor::VisitOMPCriticalDirective(const OMPCriticalDirective *D) {
2592 VisitOMPExecutableDirective(D);
2593 AddDeclarationNameInfo(D);
2597 EnqueueVisitor::VisitOMPParallelForDirective(const OMPParallelForDirective *D) {
2598 VisitOMPLoopDirective(D);
2601 void EnqueueVisitor::VisitOMPParallelForSimdDirective(
2602 const OMPParallelForSimdDirective *D) {
2603 VisitOMPLoopDirective(D);
2606 void EnqueueVisitor::VisitOMPParallelSectionsDirective(
2607 const OMPParallelSectionsDirective *D) {
2608 VisitOMPExecutableDirective(D);
2611 void EnqueueVisitor::VisitOMPTaskDirective(const OMPTaskDirective *D) {
2612 VisitOMPExecutableDirective(D);
2616 EnqueueVisitor::VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D) {
2617 VisitOMPExecutableDirective(D);
2620 void EnqueueVisitor::VisitOMPBarrierDirective(const OMPBarrierDirective *D) {
2621 VisitOMPExecutableDirective(D);
2624 void EnqueueVisitor::VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D) {
2625 VisitOMPExecutableDirective(D);
2628 void EnqueueVisitor::VisitOMPTaskgroupDirective(
2629 const OMPTaskgroupDirective *D) {
2630 VisitOMPExecutableDirective(D);
2633 void EnqueueVisitor::VisitOMPFlushDirective(const OMPFlushDirective *D) {
2634 VisitOMPExecutableDirective(D);
2637 void EnqueueVisitor::VisitOMPOrderedDirective(const OMPOrderedDirective *D) {
2638 VisitOMPExecutableDirective(D);
2641 void EnqueueVisitor::VisitOMPAtomicDirective(const OMPAtomicDirective *D) {
2642 VisitOMPExecutableDirective(D);
2645 void EnqueueVisitor::VisitOMPTargetDirective(const OMPTargetDirective *D) {
2646 VisitOMPExecutableDirective(D);
2649 void EnqueueVisitor::VisitOMPTargetDataDirective(const
2650 OMPTargetDataDirective *D) {
2651 VisitOMPExecutableDirective(D);
2654 void EnqueueVisitor::VisitOMPTargetEnterDataDirective(
2655 const OMPTargetEnterDataDirective *D) {
2656 VisitOMPExecutableDirective(D);
2659 void EnqueueVisitor::VisitOMPTargetExitDataDirective(
2660 const OMPTargetExitDataDirective *D) {
2661 VisitOMPExecutableDirective(D);
2664 void EnqueueVisitor::VisitOMPTargetParallelDirective(
2665 const OMPTargetParallelDirective *D) {
2666 VisitOMPExecutableDirective(D);
2669 void EnqueueVisitor::VisitOMPTargetParallelForDirective(
2670 const OMPTargetParallelForDirective *D) {
2671 VisitOMPLoopDirective(D);
2674 void EnqueueVisitor::VisitOMPTeamsDirective(const OMPTeamsDirective *D) {
2675 VisitOMPExecutableDirective(D);
2678 void EnqueueVisitor::VisitOMPCancellationPointDirective(
2679 const OMPCancellationPointDirective *D) {
2680 VisitOMPExecutableDirective(D);
2683 void EnqueueVisitor::VisitOMPCancelDirective(const OMPCancelDirective *D) {
2684 VisitOMPExecutableDirective(D);
2687 void EnqueueVisitor::VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *D) {
2688 VisitOMPLoopDirective(D);
2691 void EnqueueVisitor::VisitOMPTaskLoopSimdDirective(
2692 const OMPTaskLoopSimdDirective *D) {
2693 VisitOMPLoopDirective(D);
2696 void EnqueueVisitor::VisitOMPDistributeDirective(
2697 const OMPDistributeDirective *D) {
2698 VisitOMPLoopDirective(D);
2701 void CursorVisitor::EnqueueWorkList(VisitorWorkList &WL, const Stmt *S) {
2702 EnqueueVisitor(WL, MakeCXCursor(S, StmtParent, TU,RegionOfInterest)).Visit(S);
2705 bool CursorVisitor::IsInRegionOfInterest(CXCursor C) {
2706 if (RegionOfInterest.isValid()) {
2707 SourceRange Range = getRawCursorExtent(C);
2708 if (Range.isInvalid() || CompareRegionOfInterest(Range))
2714 bool CursorVisitor::RunVisitorWorkList(VisitorWorkList &WL) {
2715 while (!WL.empty()) {
2716 // Dequeue the worklist item.
2717 VisitorJob LI = WL.pop_back_val();
2719 // Set the Parent field, then back to its old value once we're done.
2720 SetParentRAII SetParent(Parent, StmtParent, LI.getParent());
2722 switch (LI.getKind()) {
2723 case VisitorJob::DeclVisitKind: {
2724 const Decl *D = cast<DeclVisit>(&LI)->get();
2728 // For now, perform default visitation for Decls.
2729 if (Visit(MakeCXCursor(D, TU, RegionOfInterest,
2730 cast<DeclVisit>(&LI)->isFirst())))
2735 case VisitorJob::ExplicitTemplateArgsVisitKind: {
2736 for (const TemplateArgumentLoc &Arg :
2737 *cast<ExplicitTemplateArgsVisit>(&LI)) {
2738 if (VisitTemplateArgumentLoc(Arg))
2743 case VisitorJob::TypeLocVisitKind: {
2744 // Perform default visitation for TypeLocs.
2745 if (Visit(cast<TypeLocVisit>(&LI)->get()))
2749 case VisitorJob::LabelRefVisitKind: {
2750 const LabelDecl *LS = cast<LabelRefVisit>(&LI)->get();
2751 if (LabelStmt *stmt = LS->getStmt()) {
2752 if (Visit(MakeCursorLabelRef(stmt, cast<LabelRefVisit>(&LI)->getLoc(),
2760 case VisitorJob::NestedNameSpecifierLocVisitKind: {
2761 NestedNameSpecifierLocVisit *V = cast<NestedNameSpecifierLocVisit>(&LI);
2762 if (VisitNestedNameSpecifierLoc(V->get()))
2767 case VisitorJob::DeclarationNameInfoVisitKind: {
2768 if (VisitDeclarationNameInfo(cast<DeclarationNameInfoVisit>(&LI)
2773 case VisitorJob::MemberRefVisitKind: {
2774 MemberRefVisit *V = cast<MemberRefVisit>(&LI);
2775 if (Visit(MakeCursorMemberRef(V->get(), V->getLoc(), TU)))
2779 case VisitorJob::StmtVisitKind: {
2780 const Stmt *S = cast<StmtVisit>(&LI)->get();
2784 // Update the current cursor.
2785 CXCursor Cursor = MakeCXCursor(S, StmtParent, TU, RegionOfInterest);
2786 if (!IsInRegionOfInterest(Cursor))
2788 switch (Visitor(Cursor, Parent, ClientData)) {
2789 case CXChildVisit_Break: return true;
2790 case CXChildVisit_Continue: break;
2791 case CXChildVisit_Recurse:
2792 if (PostChildrenVisitor)
2793 WL.push_back(PostChildrenVisit(nullptr, Cursor));
2794 EnqueueWorkList(WL, S);
2799 case VisitorJob::MemberExprPartsKind: {
2800 // Handle the other pieces in the MemberExpr besides the base.
2801 const MemberExpr *M = cast<MemberExprParts>(&LI)->get();
2803 // Visit the nested-name-specifier
2804 if (NestedNameSpecifierLoc QualifierLoc = M->getQualifierLoc())
2805 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2808 // Visit the declaration name.
2809 if (VisitDeclarationNameInfo(M->getMemberNameInfo()))
2812 // Visit the explicitly-specified template arguments, if any.
2813 if (M->hasExplicitTemplateArgs()) {
2814 for (const TemplateArgumentLoc *Arg = M->getTemplateArgs(),
2815 *ArgEnd = Arg + M->getNumTemplateArgs();
2816 Arg != ArgEnd; ++Arg) {
2817 if (VisitTemplateArgumentLoc(*Arg))
2823 case VisitorJob::DeclRefExprPartsKind: {
2824 const DeclRefExpr *DR = cast<DeclRefExprParts>(&LI)->get();
2825 // Visit nested-name-specifier, if present.
2826 if (NestedNameSpecifierLoc QualifierLoc = DR->getQualifierLoc())
2827 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2829 // Visit declaration name.
2830 if (VisitDeclarationNameInfo(DR->getNameInfo()))
2834 case VisitorJob::OverloadExprPartsKind: {
2835 const OverloadExpr *O = cast<OverloadExprParts>(&LI)->get();
2836 // Visit the nested-name-specifier.
2837 if (NestedNameSpecifierLoc QualifierLoc = O->getQualifierLoc())
2838 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2840 // Visit the declaration name.
2841 if (VisitDeclarationNameInfo(O->getNameInfo()))
2843 // Visit the overloaded declaration reference.
2844 if (Visit(MakeCursorOverloadedDeclRef(O, TU)))
2848 case VisitorJob::SizeOfPackExprPartsKind: {
2849 const SizeOfPackExpr *E = cast<SizeOfPackExprParts>(&LI)->get();
2850 NamedDecl *Pack = E->getPack();
2851 if (isa<TemplateTypeParmDecl>(Pack)) {
2852 if (Visit(MakeCursorTypeRef(cast<TemplateTypeParmDecl>(Pack),
2853 E->getPackLoc(), TU)))
2859 if (isa<TemplateTemplateParmDecl>(Pack)) {
2860 if (Visit(MakeCursorTemplateRef(cast<TemplateTemplateParmDecl>(Pack),
2861 E->getPackLoc(), TU)))
2867 // Non-type template parameter packs and function parameter packs are
2868 // treated like DeclRefExpr cursors.
2872 case VisitorJob::LambdaExprPartsKind: {
2874 const LambdaExpr *E = cast<LambdaExprParts>(&LI)->get();
2875 for (LambdaExpr::capture_iterator C = E->explicit_capture_begin(),
2876 CEnd = E->explicit_capture_end();
2878 // FIXME: Lambda init-captures.
2879 if (!C->capturesVariable())
2882 if (Visit(MakeCursorVariableRef(C->getCapturedVar(),
2888 // Visit parameters and return type, if present.
2889 if (E->hasExplicitParameters() || E->hasExplicitResultType()) {
2890 TypeLoc TL = E->getCallOperator()->getTypeSourceInfo()->getTypeLoc();
2891 if (E->hasExplicitParameters() && E->hasExplicitResultType()) {
2892 // Visit the whole type.
2895 } else if (FunctionProtoTypeLoc Proto =
2896 TL.getAs<FunctionProtoTypeLoc>()) {
2897 if (E->hasExplicitParameters()) {
2898 // Visit parameters.
2899 for (unsigned I = 0, N = Proto.getNumParams(); I != N; ++I)
2900 if (Visit(MakeCXCursor(Proto.getParam(I), TU)))
2903 // Visit result type.
2904 if (Visit(Proto.getReturnLoc()))
2912 case VisitorJob::PostChildrenVisitKind:
2913 if (PostChildrenVisitor(Parent, ClientData))
2921 bool CursorVisitor::Visit(const Stmt *S) {
2922 VisitorWorkList *WL = nullptr;
2923 if (!WorkListFreeList.empty()) {
2924 WL = WorkListFreeList.back();
2926 WorkListFreeList.pop_back();
2929 WL = new VisitorWorkList();
2930 WorkListCache.push_back(WL);
2932 EnqueueWorkList(*WL, S);
2933 bool result = RunVisitorWorkList(*WL);
2934 WorkListFreeList.push_back(WL);
2939 typedef SmallVector<SourceRange, 4> RefNamePieces;
2940 RefNamePieces buildPieces(unsigned NameFlags, bool IsMemberRefExpr,
2941 const DeclarationNameInfo &NI, SourceRange QLoc,
2942 const SourceRange *TemplateArgsLoc = nullptr) {
2943 const bool WantQualifier = NameFlags & CXNameRange_WantQualifier;
2944 const bool WantTemplateArgs = NameFlags & CXNameRange_WantTemplateArgs;
2945 const bool WantSinglePiece = NameFlags & CXNameRange_WantSinglePiece;
2947 const DeclarationName::NameKind Kind = NI.getName().getNameKind();
2949 RefNamePieces Pieces;
2951 if (WantQualifier && QLoc.isValid())
2952 Pieces.push_back(QLoc);
2954 if (Kind != DeclarationName::CXXOperatorName || IsMemberRefExpr)
2955 Pieces.push_back(NI.getLoc());
2957 if (WantTemplateArgs && TemplateArgsLoc && TemplateArgsLoc->isValid())
2958 Pieces.push_back(*TemplateArgsLoc);
2960 if (Kind == DeclarationName::CXXOperatorName) {
2961 Pieces.push_back(SourceLocation::getFromRawEncoding(
2962 NI.getInfo().CXXOperatorName.BeginOpNameLoc));
2963 Pieces.push_back(SourceLocation::getFromRawEncoding(
2964 NI.getInfo().CXXOperatorName.EndOpNameLoc));
2967 if (WantSinglePiece) {
2968 SourceRange R(Pieces.front().getBegin(), Pieces.back().getEnd());
2970 Pieces.push_back(R);
2977 //===----------------------------------------------------------------------===//
2979 //===----------------------------------------------------------------------===//
2981 static void fatal_error_handler(void *user_data, const std::string& reason,
2982 bool gen_crash_diag) {
2983 // Write the result out to stderr avoiding errs() because raw_ostreams can
2984 // call report_fatal_error.
2985 fprintf(stderr, "LIBCLANG FATAL ERROR: %s\n", reason.c_str());
2990 struct RegisterFatalErrorHandler {
2991 RegisterFatalErrorHandler() {
2992 llvm::install_fatal_error_handler(fatal_error_handler, nullptr);
2997 static llvm::ManagedStatic<RegisterFatalErrorHandler> RegisterFatalErrorHandlerOnce;
3000 CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
3001 int displayDiagnostics) {
3002 // We use crash recovery to make some of our APIs more reliable, implicitly
3004 if (!getenv("LIBCLANG_DISABLE_CRASH_RECOVERY"))
3005 llvm::CrashRecoveryContext::Enable();
3007 // Look through the managed static to trigger construction of the managed
3008 // static which registers our fatal error handler. This ensures it is only
3010 (void)*RegisterFatalErrorHandlerOnce;
3012 // Initialize targets for clang module support.
3013 llvm::InitializeAllTargets();
3014 llvm::InitializeAllTargetMCs();
3015 llvm::InitializeAllAsmPrinters();
3016 llvm::InitializeAllAsmParsers();
3018 CIndexer *CIdxr = new CIndexer();
3020 if (excludeDeclarationsFromPCH)
3021 CIdxr->setOnlyLocalDecls();
3022 if (displayDiagnostics)
3023 CIdxr->setDisplayDiagnostics();
3025 if (getenv("LIBCLANG_BGPRIO_INDEX"))
3026 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
3027 CXGlobalOpt_ThreadBackgroundPriorityForIndexing);
3028 if (getenv("LIBCLANG_BGPRIO_EDIT"))
3029 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
3030 CXGlobalOpt_ThreadBackgroundPriorityForEditing);
3035 void clang_disposeIndex(CXIndex CIdx) {
3037 delete static_cast<CIndexer *>(CIdx);
3040 void clang_CXIndex_setGlobalOptions(CXIndex CIdx, unsigned options) {
3042 static_cast<CIndexer *>(CIdx)->setCXGlobalOptFlags(options);
3045 unsigned clang_CXIndex_getGlobalOptions(CXIndex CIdx) {
3047 return static_cast<CIndexer *>(CIdx)->getCXGlobalOptFlags();
3051 void clang_toggleCrashRecovery(unsigned isEnabled) {
3053 llvm::CrashRecoveryContext::Enable();
3055 llvm::CrashRecoveryContext::Disable();
3058 CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
3059 const char *ast_filename) {
3060 CXTranslationUnit TU;
3061 enum CXErrorCode Result =
3062 clang_createTranslationUnit2(CIdx, ast_filename, &TU);
3064 assert((TU && Result == CXError_Success) ||
3065 (!TU && Result != CXError_Success));
3069 enum CXErrorCode clang_createTranslationUnit2(CXIndex CIdx,
3070 const char *ast_filename,
3071 CXTranslationUnit *out_TU) {
3075 if (!CIdx || !ast_filename || !out_TU)
3076 return CXError_InvalidArguments;
3079 *Log << ast_filename;
3082 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3083 FileSystemOptions FileSystemOpts;
3085 IntrusiveRefCntPtr<DiagnosticsEngine> Diags =
3086 CompilerInstance::createDiagnostics(new DiagnosticOptions());
3087 std::unique_ptr<ASTUnit> AU = ASTUnit::LoadFromASTFile(
3088 ast_filename, CXXIdx->getPCHContainerOperations()->getRawReader(), Diags,
3089 FileSystemOpts, /*UseDebugInfo=*/false,
3090 CXXIdx->getOnlyLocalDecls(), None,
3091 /*CaptureDiagnostics=*/true,
3092 /*AllowPCHWithCompilerErrors=*/true,
3093 /*UserFilesAreVolatile=*/true);
3094 *out_TU = MakeCXTranslationUnit(CXXIdx, AU.release());
3095 return *out_TU ? CXError_Success : CXError_Failure;
3098 unsigned clang_defaultEditingTranslationUnitOptions() {
3099 return CXTranslationUnit_PrecompiledPreamble |
3100 CXTranslationUnit_CacheCompletionResults;
3104 clang_createTranslationUnitFromSourceFile(CXIndex CIdx,
3105 const char *source_filename,
3106 int num_command_line_args,
3107 const char * const *command_line_args,
3108 unsigned num_unsaved_files,
3109 struct CXUnsavedFile *unsaved_files) {
3110 unsigned Options = CXTranslationUnit_DetailedPreprocessingRecord;
3111 return clang_parseTranslationUnit(CIdx, source_filename,
3112 command_line_args, num_command_line_args,
3113 unsaved_files, num_unsaved_files,
3118 clang_parseTranslationUnit_Impl(CXIndex CIdx, const char *source_filename,
3119 const char *const *command_line_args,
3120 int num_command_line_args,
3121 ArrayRef<CXUnsavedFile> unsaved_files,
3122 unsigned options, CXTranslationUnit *out_TU) {
3123 // Set up the initial return values.
3128 if (!CIdx || !out_TU)
3129 return CXError_InvalidArguments;
3131 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3133 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3134 setThreadBackgroundPriority();
3136 bool PrecompilePreamble = options & CXTranslationUnit_PrecompiledPreamble;
3137 bool CreatePreambleOnFirstParse =
3138 options & CXTranslationUnit_CreatePreambleOnFirstParse;
3139 // FIXME: Add a flag for modules.
3140 TranslationUnitKind TUKind
3141 = (options & CXTranslationUnit_Incomplete)? TU_Prefix : TU_Complete;
3142 bool CacheCodeCompletionResults
3143 = options & CXTranslationUnit_CacheCompletionResults;
3144 bool IncludeBriefCommentsInCodeCompletion
3145 = options & CXTranslationUnit_IncludeBriefCommentsInCodeCompletion;
3146 bool SkipFunctionBodies = options & CXTranslationUnit_SkipFunctionBodies;
3147 bool ForSerialization = options & CXTranslationUnit_ForSerialization;
3149 // Configure the diagnostics.
3150 IntrusiveRefCntPtr<DiagnosticsEngine>
3151 Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions));
3153 // Recover resources if we crash before exiting this function.
3154 llvm::CrashRecoveryContextCleanupRegistrar<DiagnosticsEngine,
3155 llvm::CrashRecoveryContextReleaseRefCleanup<DiagnosticsEngine> >
3156 DiagCleanup(Diags.get());
3158 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3159 new std::vector<ASTUnit::RemappedFile>());
3161 // Recover resources if we crash before exiting this function.
3162 llvm::CrashRecoveryContextCleanupRegistrar<
3163 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3165 for (auto &UF : unsaved_files) {
3166 std::unique_ptr<llvm::MemoryBuffer> MB =
3167 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3168 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3171 std::unique_ptr<std::vector<const char *>> Args(
3172 new std::vector<const char *>());
3174 // Recover resources if we crash before exiting this method.
3175 llvm::CrashRecoveryContextCleanupRegistrar<std::vector<const char*> >
3176 ArgsCleanup(Args.get());
3178 // Since the Clang C library is primarily used by batch tools dealing with
3179 // (often very broken) source code, where spell-checking can have a
3180 // significant negative impact on performance (particularly when
3181 // precompiled headers are involved), we disable it by default.
3182 // Only do this if we haven't found a spell-checking-related argument.
3183 bool FoundSpellCheckingArgument = false;
3184 for (int I = 0; I != num_command_line_args; ++I) {
3185 if (strcmp(command_line_args[I], "-fno-spell-checking") == 0 ||
3186 strcmp(command_line_args[I], "-fspell-checking") == 0) {
3187 FoundSpellCheckingArgument = true;
3191 Args->insert(Args->end(), command_line_args,
3192 command_line_args + num_command_line_args);
3194 if (!FoundSpellCheckingArgument)
3195 Args->insert(Args->begin() + 1, "-fno-spell-checking");
3197 // The 'source_filename' argument is optional. If the caller does not
3198 // specify it then it is assumed that the source file is specified
3199 // in the actual argument list.
3200 // Put the source file after command_line_args otherwise if '-x' flag is
3201 // present it will be unused.
3202 if (source_filename)
3203 Args->push_back(source_filename);
3205 // Do we need the detailed preprocessing record?
3206 if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
3207 Args->push_back("-Xclang");
3208 Args->push_back("-detailed-preprocessing-record");
3211 unsigned NumErrors = Diags->getClient()->getNumErrors();
3212 std::unique_ptr<ASTUnit> ErrUnit;
3213 // Unless the user specified that they want the preamble on the first parse
3214 // set it up to be created on the first reparse. This makes the first parse
3215 // faster, trading for a slower (first) reparse.
3216 unsigned PrecompilePreambleAfterNParses =
3217 !PrecompilePreamble ? 0 : 2 - CreatePreambleOnFirstParse;
3218 std::unique_ptr<ASTUnit> Unit(ASTUnit::LoadFromCommandLine(
3219 Args->data(), Args->data() + Args->size(),
3220 CXXIdx->getPCHContainerOperations(), Diags,
3221 CXXIdx->getClangResourcesPath(), CXXIdx->getOnlyLocalDecls(),
3222 /*CaptureDiagnostics=*/true, *RemappedFiles.get(),
3223 /*RemappedFilesKeepOriginalName=*/true, PrecompilePreambleAfterNParses,
3224 TUKind, CacheCodeCompletionResults, IncludeBriefCommentsInCodeCompletion,
3225 /*AllowPCHWithCompilerErrors=*/true, SkipFunctionBodies,
3226 /*UserFilesAreVolatile=*/true, ForSerialization,
3227 CXXIdx->getPCHContainerOperations()->getRawReader().getFormat(),
3230 // Early failures in LoadFromCommandLine may return with ErrUnit unset.
3231 if (!Unit && !ErrUnit)
3232 return CXError_ASTReadError;
3234 if (NumErrors != Diags->getClient()->getNumErrors()) {
3235 // Make sure to check that 'Unit' is non-NULL.
3236 if (CXXIdx->getDisplayDiagnostics())
3237 printDiagsToStderr(Unit ? Unit.get() : ErrUnit.get());
3240 if (isASTReadError(Unit ? Unit.get() : ErrUnit.get()))
3241 return CXError_ASTReadError;
3243 *out_TU = MakeCXTranslationUnit(CXXIdx, Unit.release());
3244 return *out_TU ? CXError_Success : CXError_Failure;
3248 clang_parseTranslationUnit(CXIndex CIdx,
3249 const char *source_filename,
3250 const char *const *command_line_args,
3251 int num_command_line_args,
3252 struct CXUnsavedFile *unsaved_files,
3253 unsigned num_unsaved_files,
3255 CXTranslationUnit TU;
3256 enum CXErrorCode Result = clang_parseTranslationUnit2(
3257 CIdx, source_filename, command_line_args, num_command_line_args,
3258 unsaved_files, num_unsaved_files, options, &TU);
3260 assert((TU && Result == CXError_Success) ||
3261 (!TU && Result != CXError_Success));
3265 enum CXErrorCode clang_parseTranslationUnit2(
3266 CXIndex CIdx, const char *source_filename,
3267 const char *const *command_line_args, int num_command_line_args,
3268 struct CXUnsavedFile *unsaved_files, unsigned num_unsaved_files,
3269 unsigned options, CXTranslationUnit *out_TU) {
3270 SmallVector<const char *, 4> Args;
3271 Args.push_back("clang");
3272 Args.append(command_line_args, command_line_args + num_command_line_args);
3273 return clang_parseTranslationUnit2FullArgv(
3274 CIdx, source_filename, Args.data(), Args.size(), unsaved_files,
3275 num_unsaved_files, options, out_TU);
3278 enum CXErrorCode clang_parseTranslationUnit2FullArgv(
3279 CXIndex CIdx, const char *source_filename,
3280 const char *const *command_line_args, int num_command_line_args,
3281 struct CXUnsavedFile *unsaved_files, unsigned num_unsaved_files,
3282 unsigned options, CXTranslationUnit *out_TU) {
3284 *Log << source_filename << ": ";
3285 for (int i = 0; i != num_command_line_args; ++i)
3286 *Log << command_line_args[i] << " ";
3289 if (num_unsaved_files && !unsaved_files)
3290 return CXError_InvalidArguments;
3292 CXErrorCode result = CXError_Failure;
3293 auto ParseTranslationUnitImpl = [=, &result] {
3294 result = clang_parseTranslationUnit_Impl(
3295 CIdx, source_filename, command_line_args, num_command_line_args,
3296 llvm::makeArrayRef(unsaved_files, num_unsaved_files), options, out_TU);
3298 llvm::CrashRecoveryContext CRC;
3300 if (!RunSafely(CRC, ParseTranslationUnitImpl)) {
3301 fprintf(stderr, "libclang: crash detected during parsing: {\n");
3302 fprintf(stderr, " 'source_filename' : '%s'\n", source_filename);
3303 fprintf(stderr, " 'command_line_args' : [");
3304 for (int i = 0; i != num_command_line_args; ++i) {
3306 fprintf(stderr, ", ");
3307 fprintf(stderr, "'%s'", command_line_args[i]);
3309 fprintf(stderr, "],\n");
3310 fprintf(stderr, " 'unsaved_files' : [");
3311 for (unsigned i = 0; i != num_unsaved_files; ++i) {
3313 fprintf(stderr, ", ");
3314 fprintf(stderr, "('%s', '...', %ld)", unsaved_files[i].Filename,
3315 unsaved_files[i].Length);
3317 fprintf(stderr, "],\n");
3318 fprintf(stderr, " 'options' : %d,\n", options);
3319 fprintf(stderr, "}\n");
3321 return CXError_Crashed;
3322 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3323 if (CXTranslationUnit *TU = out_TU)
3324 PrintLibclangResourceUsage(*TU);
3330 CXString clang_Type_getObjCEncoding(CXType CT) {
3331 CXTranslationUnit tu = static_cast<CXTranslationUnit>(CT.data[1]);
3332 ASTContext &Ctx = getASTUnit(tu)->getASTContext();
3333 std::string encoding;
3334 Ctx.getObjCEncodingForType(QualType::getFromOpaquePtr(CT.data[0]),
3337 return cxstring::createDup(encoding);
3340 static const IdentifierInfo *getMacroIdentifier(CXCursor C) {
3341 if (C.kind == CXCursor_MacroDefinition) {
3342 if (const MacroDefinitionRecord *MDR = getCursorMacroDefinition(C))
3343 return MDR->getName();
3344 } else if (C.kind == CXCursor_MacroExpansion) {
3345 MacroExpansionCursor ME = getCursorMacroExpansion(C);
3346 return ME.getName();
3351 unsigned clang_Cursor_isMacroFunctionLike(CXCursor C) {
3352 const IdentifierInfo *II = getMacroIdentifier(C);
3356 ASTUnit *ASTU = getCursorASTUnit(C);
3357 Preprocessor &PP = ASTU->getPreprocessor();
3358 if (const MacroInfo *MI = PP.getMacroInfo(II))
3359 return MI->isFunctionLike();
3363 unsigned clang_Cursor_isMacroBuiltin(CXCursor C) {
3364 const IdentifierInfo *II = getMacroIdentifier(C);
3368 ASTUnit *ASTU = getCursorASTUnit(C);
3369 Preprocessor &PP = ASTU->getPreprocessor();
3370 if (const MacroInfo *MI = PP.getMacroInfo(II))
3371 return MI->isBuiltinMacro();
3375 unsigned clang_Cursor_isFunctionInlined(CXCursor C) {
3376 const Decl *D = getCursorDecl(C);
3377 const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D);
3381 return FD->isInlined();
3384 static StringLiteral* getCFSTR_value(CallExpr *callExpr) {
3385 if (callExpr->getNumArgs() != 1) {
3389 StringLiteral *S = nullptr;
3390 auto *arg = callExpr->getArg(0);
3391 if (arg->getStmtClass() == Stmt::ImplicitCastExprClass) {
3392 ImplicitCastExpr *I = static_cast<ImplicitCastExpr *>(arg);
3393 auto *subExpr = I->getSubExprAsWritten();
3395 if(subExpr->getStmtClass() != Stmt::StringLiteralClass){
3399 S = static_cast<StringLiteral *>(I->getSubExprAsWritten());
3400 } else if (arg->getStmtClass() == Stmt::StringLiteralClass) {
3401 S = static_cast<StringLiteral *>(callExpr->getArg(0));
3409 CXEvalResultKind EvalType;
3417 void clang_EvalResult_dispose(CXEvalResult E) {
3418 ExprEvalResult *ER = (ExprEvalResult *)E;
3420 CXEvalResultKind evalType = ER->EvalType;
3422 if (evalType != CXEval_UnExposed && evalType != CXEval_Float &&
3423 evalType != CXEval_Int && ER->EvalData.stringVal) {
3424 free((void *) ER->EvalData.stringVal);
3430 CXEvalResultKind clang_EvalResult_getKind(CXEvalResult E) {
3432 return CXEval_UnExposed;
3434 return ((ExprEvalResult *)E)->EvalType;
3437 int clang_EvalResult_getAsInt(CXEvalResult E) {
3441 return ((ExprEvalResult *)E)->EvalData.intVal;
3444 double clang_EvalResult_getAsDouble(CXEvalResult E) {
3448 return ((ExprEvalResult *)E)->EvalData.floatVal;
3451 const char* clang_EvalResult_getAsStr(CXEvalResult E) {
3455 return ((ExprEvalResult *)E)->EvalData.stringVal;
3458 static const ExprEvalResult* evaluateExpr(Expr *expr, CXCursor C) {
3459 Expr::EvalResult ER;
3460 ASTContext &ctx = getCursorContext(C);
3464 expr = expr->IgnoreParens();
3465 bool res = expr->EvaluateAsRValue(ER, ctx);
3468 ExprEvalResult *result = (ExprEvalResult *) malloc(sizeof(ExprEvalResult));
3472 result->EvalType = CXEval_UnExposed;
3476 if (ER.Val.isInt()) {
3477 result->EvalType = CXEval_Int;
3478 result->EvalData.intVal = ER.Val.getInt().getExtValue();
3480 } else if (ER.Val.isFloat()) {
3482 llvm::SmallVector<char, 100> Buffer;
3483 ER.Val.getFloat().toString(Buffer);
3484 std::string floatStr(Buffer.data(), Buffer.size());
3485 result->EvalType = CXEval_Float;
3487 llvm::APFloat apFloat = ER.Val.getFloat();
3488 apFloat.convert(llvm::APFloat::IEEEdouble,
3489 llvm::APFloat::rmNearestTiesToEven, &ignored);
3490 result->EvalData.floatVal = apFloat.convertToDouble();
3493 } else if (expr->getStmtClass() == Stmt::ImplicitCastExprClass) {
3495 const ImplicitCastExpr *I = dyn_cast<ImplicitCastExpr>(expr);
3496 auto *subExpr = I->getSubExprAsWritten();
3497 if (subExpr->getStmtClass() == Stmt::StringLiteralClass ||
3498 subExpr->getStmtClass() == Stmt::ObjCStringLiteralClass) {
3500 const StringLiteral *StrE = nullptr;
3501 const ObjCStringLiteral *ObjCExpr;
3502 ObjCExpr = dyn_cast<ObjCStringLiteral>(subExpr);
3505 StrE = ObjCExpr->getString();
3506 result->EvalType = CXEval_ObjCStrLiteral;
3508 StrE = cast<StringLiteral>(I->getSubExprAsWritten());
3509 result->EvalType = CXEval_StrLiteral;
3512 std::string strRef(StrE->getString().str());
3513 result->EvalData.stringVal = (char *)malloc(strRef.size()+1);
3514 strncpy((char*)result->EvalData.stringVal, strRef.c_str(),
3516 result->EvalData.stringVal[strRef.size()] = '\0';
3520 } else if (expr->getStmtClass() == Stmt::ObjCStringLiteralClass ||
3521 expr->getStmtClass() == Stmt::StringLiteralClass) {
3523 const StringLiteral *StrE = nullptr;
3524 const ObjCStringLiteral *ObjCExpr;
3525 ObjCExpr = dyn_cast<ObjCStringLiteral>(expr);
3528 StrE = ObjCExpr->getString();
3529 result->EvalType = CXEval_ObjCStrLiteral;
3531 StrE = cast<StringLiteral>(expr);
3532 result->EvalType = CXEval_StrLiteral;
3535 std::string strRef(StrE->getString().str());
3536 result->EvalData.stringVal = (char *)malloc(strRef.size()+1);
3537 strncpy((char*)result->EvalData.stringVal, strRef.c_str(),
3539 result->EvalData.stringVal[strRef.size()] = '\0';
3542 } else if (expr->getStmtClass() == Stmt::CStyleCastExprClass) {
3544 CStyleCastExpr *CC = static_cast<CStyleCastExpr *>(expr);
3546 rettype = CC->getType();
3547 if (rettype.getAsString() == "CFStringRef" &&
3548 CC->getSubExpr()->getStmtClass() == Stmt::CallExprClass) {
3550 callExpr = static_cast<CallExpr *>(CC->getSubExpr());
3551 StringLiteral* S = getCFSTR_value(callExpr);
3553 std::string strLiteral(S->getString().str());
3554 result->EvalType = CXEval_CFStr;
3556 result->EvalData.stringVal = (char *)malloc(strLiteral.size()+1);
3557 strncpy((char*)result->EvalData.stringVal, strLiteral.c_str(),
3559 result->EvalData.stringVal[strLiteral.size()] = '\0';
3564 } else if (expr->getStmtClass() == Stmt::CallExprClass) {
3566 callExpr = static_cast<CallExpr *>(expr);
3567 rettype = callExpr->getCallReturnType(ctx);
3569 if (rettype->isVectorType() || callExpr->getNumArgs() > 1) {
3572 if (rettype->isIntegralType(ctx) || rettype->isRealFloatingType()) {
3573 if(callExpr->getNumArgs() == 1 &&
3574 !callExpr->getArg(0)->getType()->isIntegralType(ctx)){
3578 } else if(rettype.getAsString() == "CFStringRef") {
3580 StringLiteral* S = getCFSTR_value(callExpr);
3582 std::string strLiteral(S->getString().str());
3583 result->EvalType = CXEval_CFStr;
3584 result->EvalData.stringVal = (char *)malloc(strLiteral.size()+1);
3585 strncpy((char*)result->EvalData.stringVal, strLiteral.c_str(),
3587 result->EvalData.stringVal[strLiteral.size()] = '\0';
3592 } else if (expr->getStmtClass() == Stmt::DeclRefExprClass) {
3594 DeclRefExpr *D = static_cast<DeclRefExpr *>(expr);
3595 ValueDecl *V = D->getDecl();
3596 if (V->getKind() == Decl::Function) {
3597 std::string strName(V->getNameAsString());
3598 result->EvalType = CXEval_Other;
3599 result->EvalData.stringVal = (char *)malloc(strName.size()+1);
3600 strncpy((char*)result->EvalData.stringVal, strName.c_str(),
3602 result->EvalData.stringVal[strName.size()] = '\0';
3609 clang_EvalResult_dispose((CXEvalResult *)result);
3613 CXEvalResult clang_Cursor_Evaluate(CXCursor C) {
3614 const Decl *D = getCursorDecl(C);
3616 const Expr *expr = nullptr;
3617 if (auto *Var = dyn_cast<VarDecl>(D)) {
3618 expr = Var->getInit();
3619 } else if (auto *Field = dyn_cast<FieldDecl>(D)) {
3620 expr = Field->getInClassInitializer();
3623 return const_cast<CXEvalResult>(reinterpret_cast<const void *>(
3624 evaluateExpr(const_cast<Expr *>(expr), C)));
3628 const CompoundStmt *compoundStmt = dyn_cast_or_null<CompoundStmt>(getCursorStmt(C));
3630 Expr *expr = nullptr;
3631 for (auto *bodyIterator : compoundStmt->body()) {
3632 if ((expr = dyn_cast<Expr>(bodyIterator))) {
3637 return const_cast<CXEvalResult>(
3638 reinterpret_cast<const void *>(evaluateExpr(expr, C)));
3643 unsigned clang_Cursor_hasAttrs(CXCursor C) {
3644 const Decl *D = getCursorDecl(C);
3649 if (D->hasAttrs()) {
3655 unsigned clang_defaultSaveOptions(CXTranslationUnit TU) {
3656 return CXSaveTranslationUnit_None;
3659 static CXSaveError clang_saveTranslationUnit_Impl(CXTranslationUnit TU,
3660 const char *FileName,
3662 CIndexer *CXXIdx = TU->CIdx;
3663 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3664 setThreadBackgroundPriority();
3666 bool hadError = cxtu::getASTUnit(TU)->Save(FileName);
3667 return hadError ? CXSaveError_Unknown : CXSaveError_None;
3670 int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
3673 *Log << TU << ' ' << FileName;
3676 if (isNotUsableTU(TU)) {
3678 return CXSaveError_InvalidTU;
3681 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3682 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3683 if (!CXXUnit->hasSema())
3684 return CXSaveError_InvalidTU;
3687 auto SaveTranslationUnitImpl = [=, &result]() {
3688 result = clang_saveTranslationUnit_Impl(TU, FileName, options);
3691 if (!CXXUnit->getDiagnostics().hasUnrecoverableErrorOccurred() ||
3692 getenv("LIBCLANG_NOTHREADS")) {
3693 SaveTranslationUnitImpl();
3695 if (getenv("LIBCLANG_RESOURCE_USAGE"))
3696 PrintLibclangResourceUsage(TU);
3701 // We have an AST that has invalid nodes due to compiler errors.
3702 // Use a crash recovery thread for protection.
3704 llvm::CrashRecoveryContext CRC;
3706 if (!RunSafely(CRC, SaveTranslationUnitImpl)) {
3707 fprintf(stderr, "libclang: crash detected during AST saving: {\n");
3708 fprintf(stderr, " 'filename' : '%s'\n", FileName);
3709 fprintf(stderr, " 'options' : %d,\n", options);
3710 fprintf(stderr, "}\n");
3712 return CXSaveError_Unknown;
3714 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3715 PrintLibclangResourceUsage(TU);
3721 void clang_disposeTranslationUnit(CXTranslationUnit CTUnit) {
3723 // If the translation unit has been marked as unsafe to free, just discard
3725 ASTUnit *Unit = cxtu::getASTUnit(CTUnit);
3726 if (Unit && Unit->isUnsafeToFree())
3729 delete cxtu::getASTUnit(CTUnit);
3730 delete CTUnit->StringPool;
3731 delete static_cast<CXDiagnosticSetImpl *>(CTUnit->Diagnostics);
3732 disposeOverridenCXCursorsPool(CTUnit->OverridenCursorsPool);
3733 delete CTUnit->CommentToXML;
3738 unsigned clang_defaultReparseOptions(CXTranslationUnit TU) {
3739 return CXReparse_None;
3743 clang_reparseTranslationUnit_Impl(CXTranslationUnit TU,
3744 ArrayRef<CXUnsavedFile> unsaved_files,
3747 if (isNotUsableTU(TU)) {
3749 return CXError_InvalidArguments;
3752 // Reset the associated diagnostics.
3753 delete static_cast<CXDiagnosticSetImpl*>(TU->Diagnostics);
3754 TU->Diagnostics = nullptr;
3756 CIndexer *CXXIdx = TU->CIdx;
3757 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
3758 setThreadBackgroundPriority();
3760 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3761 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3763 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3764 new std::vector<ASTUnit::RemappedFile>());
3766 // Recover resources if we crash before exiting this function.
3767 llvm::CrashRecoveryContextCleanupRegistrar<
3768 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3770 for (auto &UF : unsaved_files) {
3771 std::unique_ptr<llvm::MemoryBuffer> MB =
3772 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3773 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3776 if (!CXXUnit->Reparse(CXXIdx->getPCHContainerOperations(),
3777 *RemappedFiles.get()))
3778 return CXError_Success;
3779 if (isASTReadError(CXXUnit))
3780 return CXError_ASTReadError;
3781 return CXError_Failure;
3784 int clang_reparseTranslationUnit(CXTranslationUnit TU,
3785 unsigned num_unsaved_files,
3786 struct CXUnsavedFile *unsaved_files,
3792 if (num_unsaved_files && !unsaved_files)
3793 return CXError_InvalidArguments;
3796 auto ReparseTranslationUnitImpl = [=, &result]() {
3797 result = clang_reparseTranslationUnit_Impl(
3798 TU, llvm::makeArrayRef(unsaved_files, num_unsaved_files), options);
3801 if (getenv("LIBCLANG_NOTHREADS")) {
3802 ReparseTranslationUnitImpl();
3806 llvm::CrashRecoveryContext CRC;
3808 if (!RunSafely(CRC, ReparseTranslationUnitImpl)) {
3809 fprintf(stderr, "libclang: crash detected during reparsing\n");
3810 cxtu::getASTUnit(TU)->setUnsafeToFree(true);
3811 return CXError_Crashed;
3812 } else if (getenv("LIBCLANG_RESOURCE_USAGE"))
3813 PrintLibclangResourceUsage(TU);
3819 CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
3820 if (isNotUsableTU(CTUnit)) {
3822 return cxstring::createEmpty();
3825 ASTUnit *CXXUnit = cxtu::getASTUnit(CTUnit);
3826 return cxstring::createDup(CXXUnit->getOriginalSourceFileName());
3829 CXCursor clang_getTranslationUnitCursor(CXTranslationUnit TU) {
3830 if (isNotUsableTU(TU)) {
3832 return clang_getNullCursor();
3835 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3836 return MakeCXCursor(CXXUnit->getASTContext().getTranslationUnitDecl(), TU);
3839 } // end: extern "C"
3841 //===----------------------------------------------------------------------===//
3842 // CXFile Operations.
3843 //===----------------------------------------------------------------------===//
3846 CXString clang_getFileName(CXFile SFile) {
3848 return cxstring::createNull();
3850 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3851 return cxstring::createRef(FEnt->getName());
3854 time_t clang_getFileTime(CXFile SFile) {
3858 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3859 return FEnt->getModificationTime();
3862 CXFile clang_getFile(CXTranslationUnit TU, const char *file_name) {
3863 if (isNotUsableTU(TU)) {
3868 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3870 FileManager &FMgr = CXXUnit->getFileManager();
3871 return const_cast<FileEntry *>(FMgr.getFile(file_name));
3874 unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit TU,
3876 if (isNotUsableTU(TU)) {
3884 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3885 FileEntry *FEnt = static_cast<FileEntry *>(file);
3886 return CXXUnit->getPreprocessor().getHeaderSearchInfo()
3887 .isFileMultipleIncludeGuarded(FEnt);
3890 int clang_getFileUniqueID(CXFile file, CXFileUniqueID *outID) {
3891 if (!file || !outID)
3894 FileEntry *FEnt = static_cast<FileEntry *>(file);
3895 const llvm::sys::fs::UniqueID &ID = FEnt->getUniqueID();
3896 outID->data[0] = ID.getDevice();
3897 outID->data[1] = ID.getFile();
3898 outID->data[2] = FEnt->getModificationTime();
3902 int clang_File_isEqual(CXFile file1, CXFile file2) {
3906 if (!file1 || !file2)
3909 FileEntry *FEnt1 = static_cast<FileEntry *>(file1);
3910 FileEntry *FEnt2 = static_cast<FileEntry *>(file2);
3911 return FEnt1->getUniqueID() == FEnt2->getUniqueID();
3914 } // end: extern "C"
3916 //===----------------------------------------------------------------------===//
3917 // CXCursor Operations.
3918 //===----------------------------------------------------------------------===//
3920 static const Decl *getDeclFromExpr(const Stmt *E) {
3921 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3922 return getDeclFromExpr(CE->getSubExpr());
3924 if (const DeclRefExpr *RefExpr = dyn_cast<DeclRefExpr>(E))
3925 return RefExpr->getDecl();
3926 if (const MemberExpr *ME = dyn_cast<MemberExpr>(E))
3927 return ME->getMemberDecl();
3928 if (const ObjCIvarRefExpr *RE = dyn_cast<ObjCIvarRefExpr>(E))
3929 return RE->getDecl();
3930 if (const ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(E)) {
3931 if (PRE->isExplicitProperty())
3932 return PRE->getExplicitProperty();
3933 // It could be messaging both getter and setter as in:
3935 // in which case prefer to associate the setter since it is less obvious
3936 // from inspecting the source that the setter is going to get called.
3937 if (PRE->isMessagingSetter())
3938 return PRE->getImplicitPropertySetter();
3939 return PRE->getImplicitPropertyGetter();
3941 if (const PseudoObjectExpr *POE = dyn_cast<PseudoObjectExpr>(E))
3942 return getDeclFromExpr(POE->getSyntacticForm());
3943 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E))
3944 if (Expr *Src = OVE->getSourceExpr())
3945 return getDeclFromExpr(Src);
3947 if (const CallExpr *CE = dyn_cast<CallExpr>(E))
3948 return getDeclFromExpr(CE->getCallee());
3949 if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E))
3950 if (!CE->isElidable())
3951 return CE->getConstructor();
3952 if (const ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(E))
3953 return OME->getMethodDecl();
3955 if (const ObjCProtocolExpr *PE = dyn_cast<ObjCProtocolExpr>(E))
3956 return PE->getProtocol();
3957 if (const SubstNonTypeTemplateParmPackExpr *NTTP
3958 = dyn_cast<SubstNonTypeTemplateParmPackExpr>(E))
3959 return NTTP->getParameterPack();
3960 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3961 if (isa<NonTypeTemplateParmDecl>(SizeOfPack->getPack()) ||
3962 isa<ParmVarDecl>(SizeOfPack->getPack()))
3963 return SizeOfPack->getPack();
3968 static SourceLocation getLocationFromExpr(const Expr *E) {
3969 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3970 return getLocationFromExpr(CE->getSubExpr());
3972 if (const ObjCMessageExpr *Msg = dyn_cast<ObjCMessageExpr>(E))
3973 return /*FIXME:*/Msg->getLeftLoc();
3974 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E))
3975 return DRE->getLocation();
3976 if (const MemberExpr *Member = dyn_cast<MemberExpr>(E))
3977 return Member->getMemberLoc();
3978 if (const ObjCIvarRefExpr *Ivar = dyn_cast<ObjCIvarRefExpr>(E))
3979 return Ivar->getLocation();
3980 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3981 return SizeOfPack->getPackLoc();
3982 if (const ObjCPropertyRefExpr *PropRef = dyn_cast<ObjCPropertyRefExpr>(E))
3983 return PropRef->getLocation();
3985 return E->getLocStart();
3990 unsigned clang_visitChildren(CXCursor parent,
3991 CXCursorVisitor visitor,
3992 CXClientData client_data) {
3993 CursorVisitor CursorVis(getCursorTU(parent), visitor, client_data,
3994 /*VisitPreprocessorLast=*/false);
3995 return CursorVis.VisitChildren(parent);
3998 #ifndef __has_feature
3999 #define __has_feature(x) 0
4001 #if __has_feature(blocks)
4002 typedef enum CXChildVisitResult
4003 (^CXCursorVisitorBlock)(CXCursor cursor, CXCursor parent);
4005 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
4006 CXClientData client_data) {
4007 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
4008 return block(cursor, parent);
4011 // If we are compiled with a compiler that doesn't have native blocks support,
4012 // define and call the block manually, so the
4013 typedef struct _CXChildVisitResult
4018 enum CXChildVisitResult(*invoke)(struct _CXChildVisitResult*, CXCursor,
4020 } *CXCursorVisitorBlock;
4022 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
4023 CXClientData client_data) {
4024 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
4025 return block->invoke(block, cursor, parent);
4030 unsigned clang_visitChildrenWithBlock(CXCursor parent,
4031 CXCursorVisitorBlock block) {
4032 return clang_visitChildren(parent, visitWithBlock, block);
4035 static CXString getDeclSpelling(const Decl *D) {
4037 return cxstring::createEmpty();
4039 const NamedDecl *ND = dyn_cast<NamedDecl>(D);
4041 if (const ObjCPropertyImplDecl *PropImpl =
4042 dyn_cast<ObjCPropertyImplDecl>(D))
4043 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
4044 return cxstring::createDup(Property->getIdentifier()->getName());
4046 if (const ImportDecl *ImportD = dyn_cast<ImportDecl>(D))
4047 if (Module *Mod = ImportD->getImportedModule())
4048 return cxstring::createDup(Mod->getFullModuleName());
4050 return cxstring::createEmpty();
4053 if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(ND))
4054 return cxstring::createDup(OMD->getSelector().getAsString());
4056 if (const ObjCCategoryImplDecl *CIMP = dyn_cast<ObjCCategoryImplDecl>(ND))
4057 // No, this isn't the same as the code below. getIdentifier() is non-virtual
4058 // and returns different names. NamedDecl returns the class name and
4059 // ObjCCategoryImplDecl returns the category name.
4060 return cxstring::createRef(CIMP->getIdentifier()->getNameStart());
4062 if (isa<UsingDirectiveDecl>(D))
4063 return cxstring::createEmpty();
4065 SmallString<1024> S;
4066 llvm::raw_svector_ostream os(S);
4069 return cxstring::createDup(os.str());
4072 CXString clang_getCursorSpelling(CXCursor C) {
4073 if (clang_isTranslationUnit(C.kind))
4074 return clang_getTranslationUnitSpelling(getCursorTU(C));
4076 if (clang_isReference(C.kind)) {
4078 case CXCursor_ObjCSuperClassRef: {
4079 const ObjCInterfaceDecl *Super = getCursorObjCSuperClassRef(C).first;
4080 return cxstring::createRef(Super->getIdentifier()->getNameStart());
4082 case CXCursor_ObjCClassRef: {
4083 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
4084 return cxstring::createRef(Class->getIdentifier()->getNameStart());
4086 case CXCursor_ObjCProtocolRef: {
4087 const ObjCProtocolDecl *OID = getCursorObjCProtocolRef(C).first;
4088 assert(OID && "getCursorSpelling(): Missing protocol decl");
4089 return cxstring::createRef(OID->getIdentifier()->getNameStart());
4091 case CXCursor_CXXBaseSpecifier: {
4092 const CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
4093 return cxstring::createDup(B->getType().getAsString());
4095 case CXCursor_TypeRef: {
4096 const TypeDecl *Type = getCursorTypeRef(C).first;
4097 assert(Type && "Missing type decl");
4099 return cxstring::createDup(getCursorContext(C).getTypeDeclType(Type).
4102 case CXCursor_TemplateRef: {
4103 const TemplateDecl *Template = getCursorTemplateRef(C).first;
4104 assert(Template && "Missing template decl");
4106 return cxstring::createDup(Template->getNameAsString());
4109 case CXCursor_NamespaceRef: {
4110 const NamedDecl *NS = getCursorNamespaceRef(C).first;
4111 assert(NS && "Missing namespace decl");
4113 return cxstring::createDup(NS->getNameAsString());
4116 case CXCursor_MemberRef: {
4117 const FieldDecl *Field = getCursorMemberRef(C).first;
4118 assert(Field && "Missing member decl");
4120 return cxstring::createDup(Field->getNameAsString());
4123 case CXCursor_LabelRef: {
4124 const LabelStmt *Label = getCursorLabelRef(C).first;
4125 assert(Label && "Missing label");
4127 return cxstring::createRef(Label->getName());
4130 case CXCursor_OverloadedDeclRef: {
4131 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
4132 if (const Decl *D = Storage.dyn_cast<const Decl *>()) {
4133 if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
4134 return cxstring::createDup(ND->getNameAsString());
4135 return cxstring::createEmpty();
4137 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
4138 return cxstring::createDup(E->getName().getAsString());
4139 OverloadedTemplateStorage *Ovl
4140 = Storage.get<OverloadedTemplateStorage*>();
4141 if (Ovl->size() == 0)
4142 return cxstring::createEmpty();
4143 return cxstring::createDup((*Ovl->begin())->getNameAsString());
4146 case CXCursor_VariableRef: {
4147 const VarDecl *Var = getCursorVariableRef(C).first;
4148 assert(Var && "Missing variable decl");
4150 return cxstring::createDup(Var->getNameAsString());
4154 return cxstring::createRef("<not implemented>");
4158 if (clang_isExpression(C.kind)) {
4159 const Expr *E = getCursorExpr(C);
4161 if (C.kind == CXCursor_ObjCStringLiteral ||
4162 C.kind == CXCursor_StringLiteral) {
4163 const StringLiteral *SLit;
4164 if (const ObjCStringLiteral *OSL = dyn_cast<ObjCStringLiteral>(E)) {
4165 SLit = OSL->getString();
4167 SLit = cast<StringLiteral>(E);
4169 SmallString<256> Buf;
4170 llvm::raw_svector_ostream OS(Buf);
4171 SLit->outputString(OS);
4172 return cxstring::createDup(OS.str());
4175 const Decl *D = getDeclFromExpr(getCursorExpr(C));
4177 return getDeclSpelling(D);
4178 return cxstring::createEmpty();
4181 if (clang_isStatement(C.kind)) {
4182 const Stmt *S = getCursorStmt(C);
4183 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S))
4184 return cxstring::createRef(Label->getName());
4186 return cxstring::createEmpty();
4189 if (C.kind == CXCursor_MacroExpansion)
4190 return cxstring::createRef(getCursorMacroExpansion(C).getName()
4193 if (C.kind == CXCursor_MacroDefinition)
4194 return cxstring::createRef(getCursorMacroDefinition(C)->getName()
4197 if (C.kind == CXCursor_InclusionDirective)
4198 return cxstring::createDup(getCursorInclusionDirective(C)->getFileName());
4200 if (clang_isDeclaration(C.kind))
4201 return getDeclSpelling(getCursorDecl(C));
4203 if (C.kind == CXCursor_AnnotateAttr) {
4204 const AnnotateAttr *AA = cast<AnnotateAttr>(cxcursor::getCursorAttr(C));
4205 return cxstring::createDup(AA->getAnnotation());
4208 if (C.kind == CXCursor_AsmLabelAttr) {
4209 const AsmLabelAttr *AA = cast<AsmLabelAttr>(cxcursor::getCursorAttr(C));
4210 return cxstring::createDup(AA->getLabel());
4213 if (C.kind == CXCursor_PackedAttr) {
4214 return cxstring::createRef("packed");
4217 if (C.kind == CXCursor_VisibilityAttr) {
4218 const VisibilityAttr *AA = cast<VisibilityAttr>(cxcursor::getCursorAttr(C));
4219 switch (AA->getVisibility()) {
4220 case VisibilityAttr::VisibilityType::Default:
4221 return cxstring::createRef("default");
4222 case VisibilityAttr::VisibilityType::Hidden:
4223 return cxstring::createRef("hidden");
4224 case VisibilityAttr::VisibilityType::Protected:
4225 return cxstring::createRef("protected");
4227 llvm_unreachable("unknown visibility type");
4230 return cxstring::createEmpty();
4233 CXSourceRange clang_Cursor_getSpellingNameRange(CXCursor C,
4234 unsigned pieceIndex,
4236 if (clang_Cursor_isNull(C))
4237 return clang_getNullRange();
4239 ASTContext &Ctx = getCursorContext(C);
4241 if (clang_isStatement(C.kind)) {
4242 const Stmt *S = getCursorStmt(C);
4243 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S)) {
4245 return clang_getNullRange();
4246 return cxloc::translateSourceRange(Ctx, Label->getIdentLoc());
4249 return clang_getNullRange();
4252 if (C.kind == CXCursor_ObjCMessageExpr) {
4253 if (const ObjCMessageExpr *
4254 ME = dyn_cast_or_null<ObjCMessageExpr>(getCursorExpr(C))) {
4255 if (pieceIndex >= ME->getNumSelectorLocs())
4256 return clang_getNullRange();
4257 return cxloc::translateSourceRange(Ctx, ME->getSelectorLoc(pieceIndex));
4261 if (C.kind == CXCursor_ObjCInstanceMethodDecl ||
4262 C.kind == CXCursor_ObjCClassMethodDecl) {
4263 if (const ObjCMethodDecl *
4264 MD = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(C))) {
4265 if (pieceIndex >= MD->getNumSelectorLocs())
4266 return clang_getNullRange();
4267 return cxloc::translateSourceRange(Ctx, MD->getSelectorLoc(pieceIndex));
4271 if (C.kind == CXCursor_ObjCCategoryDecl ||
4272 C.kind == CXCursor_ObjCCategoryImplDecl) {
4274 return clang_getNullRange();
4275 if (const ObjCCategoryDecl *
4276 CD = dyn_cast_or_null<ObjCCategoryDecl>(getCursorDecl(C)))
4277 return cxloc::translateSourceRange(Ctx, CD->getCategoryNameLoc());
4278 if (const ObjCCategoryImplDecl *
4279 CID = dyn_cast_or_null<ObjCCategoryImplDecl>(getCursorDecl(C)))
4280 return cxloc::translateSourceRange(Ctx, CID->getCategoryNameLoc());
4283 if (C.kind == CXCursor_ModuleImportDecl) {
4285 return clang_getNullRange();
4286 if (const ImportDecl *ImportD =
4287 dyn_cast_or_null<ImportDecl>(getCursorDecl(C))) {
4288 ArrayRef<SourceLocation> Locs = ImportD->getIdentifierLocs();
4290 return cxloc::translateSourceRange(Ctx,
4291 SourceRange(Locs.front(), Locs.back()));
4293 return clang_getNullRange();
4296 if (C.kind == CXCursor_CXXMethod || C.kind == CXCursor_Destructor ||
4297 C.kind == CXCursor_ConversionFunction) {
4299 return clang_getNullRange();
4300 if (const FunctionDecl *FD =
4301 dyn_cast_or_null<FunctionDecl>(getCursorDecl(C))) {
4302 DeclarationNameInfo FunctionName = FD->getNameInfo();
4303 return cxloc::translateSourceRange(Ctx, FunctionName.getSourceRange());
4305 return clang_getNullRange();
4308 // FIXME: A CXCursor_InclusionDirective should give the location of the
4309 // filename, but we don't keep track of this.
4311 // FIXME: A CXCursor_AnnotateAttr should give the location of the annotation
4312 // but we don't keep track of this.
4314 // FIXME: A CXCursor_AsmLabelAttr should give the location of the label
4315 // but we don't keep track of this.
4317 // Default handling, give the location of the cursor.
4320 return clang_getNullRange();
4322 CXSourceLocation CXLoc = clang_getCursorLocation(C);
4323 SourceLocation Loc = cxloc::translateSourceLocation(CXLoc);
4324 return cxloc::translateSourceRange(Ctx, Loc);
4327 CXString clang_Cursor_getMangling(CXCursor C) {
4328 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
4329 return cxstring::createEmpty();
4331 // Mangling only works for functions and variables.
4332 const Decl *D = getCursorDecl(C);
4333 if (!D || !(isa<FunctionDecl>(D) || isa<VarDecl>(D)))
4334 return cxstring::createEmpty();
4336 ASTContext &Ctx = D->getASTContext();
4337 index::CodegenNameGenerator CGNameGen(Ctx);
4338 return cxstring::createDup(CGNameGen.getName(D));
4341 CXStringSet *clang_Cursor_getCXXManglings(CXCursor C) {
4342 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
4345 const Decl *D = getCursorDecl(C);
4346 if (!(isa<CXXRecordDecl>(D) || isa<CXXMethodDecl>(D)))
4349 ASTContext &Ctx = D->getASTContext();
4350 index::CodegenNameGenerator CGNameGen(Ctx);
4351 std::vector<std::string> Manglings = CGNameGen.getAllManglings(D);
4352 return cxstring::createSet(Manglings);
4355 CXString clang_getCursorDisplayName(CXCursor C) {
4356 if (!clang_isDeclaration(C.kind))
4357 return clang_getCursorSpelling(C);
4359 const Decl *D = getCursorDecl(C);
4361 return cxstring::createEmpty();
4363 PrintingPolicy Policy = getCursorContext(C).getPrintingPolicy();
4364 if (const FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(D))
4365 D = FunTmpl->getTemplatedDecl();
4367 if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
4368 SmallString<64> Str;
4369 llvm::raw_svector_ostream OS(Str);
4371 if (Function->getPrimaryTemplate())
4374 for (unsigned I = 0, N = Function->getNumParams(); I != N; ++I) {
4377 OS << Function->getParamDecl(I)->getType().getAsString(Policy);
4380 if (Function->isVariadic()) {
4381 if (Function->getNumParams())
4386 return cxstring::createDup(OS.str());
4389 if (const ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(D)) {
4390 SmallString<64> Str;
4391 llvm::raw_svector_ostream OS(Str);
4392 OS << *ClassTemplate;
4394 TemplateParameterList *Params = ClassTemplate->getTemplateParameters();
4395 for (unsigned I = 0, N = Params->size(); I != N; ++I) {
4399 NamedDecl *Param = Params->getParam(I);
4400 if (Param->getIdentifier()) {
4401 OS << Param->getIdentifier()->getName();
4405 // There is no parameter name, which makes this tricky. Try to come up
4406 // with something useful that isn't too long.
4407 if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Param))
4408 OS << (TTP->wasDeclaredWithTypename()? "typename" : "class");
4409 else if (NonTypeTemplateParmDecl *NTTP
4410 = dyn_cast<NonTypeTemplateParmDecl>(Param))
4411 OS << NTTP->getType().getAsString(Policy);
4413 OS << "template<...> class";
4417 return cxstring::createDup(OS.str());
4420 if (const ClassTemplateSpecializationDecl *ClassSpec
4421 = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
4422 // If the type was explicitly written, use that.
4423 if (TypeSourceInfo *TSInfo = ClassSpec->getTypeAsWritten())
4424 return cxstring::createDup(TSInfo->getType().getAsString(Policy));
4426 SmallString<128> Str;
4427 llvm::raw_svector_ostream OS(Str);
4429 TemplateSpecializationType::PrintTemplateArgumentList(OS,
4430 ClassSpec->getTemplateArgs().data(),
4431 ClassSpec->getTemplateArgs().size(),
4433 return cxstring::createDup(OS.str());
4436 return clang_getCursorSpelling(C);
4439 CXString clang_getCursorKindSpelling(enum CXCursorKind Kind) {
4441 case CXCursor_FunctionDecl:
4442 return cxstring::createRef("FunctionDecl");
4443 case CXCursor_TypedefDecl:
4444 return cxstring::createRef("TypedefDecl");
4445 case CXCursor_EnumDecl:
4446 return cxstring::createRef("EnumDecl");
4447 case CXCursor_EnumConstantDecl:
4448 return cxstring::createRef("EnumConstantDecl");
4449 case CXCursor_StructDecl:
4450 return cxstring::createRef("StructDecl");
4451 case CXCursor_UnionDecl:
4452 return cxstring::createRef("UnionDecl");
4453 case CXCursor_ClassDecl:
4454 return cxstring::createRef("ClassDecl");
4455 case CXCursor_FieldDecl:
4456 return cxstring::createRef("FieldDecl");
4457 case CXCursor_VarDecl:
4458 return cxstring::createRef("VarDecl");
4459 case CXCursor_ParmDecl:
4460 return cxstring::createRef("ParmDecl");
4461 case CXCursor_ObjCInterfaceDecl:
4462 return cxstring::createRef("ObjCInterfaceDecl");
4463 case CXCursor_ObjCCategoryDecl:
4464 return cxstring::createRef("ObjCCategoryDecl");
4465 case CXCursor_ObjCProtocolDecl:
4466 return cxstring::createRef("ObjCProtocolDecl");
4467 case CXCursor_ObjCPropertyDecl:
4468 return cxstring::createRef("ObjCPropertyDecl");
4469 case CXCursor_ObjCIvarDecl:
4470 return cxstring::createRef("ObjCIvarDecl");
4471 case CXCursor_ObjCInstanceMethodDecl:
4472 return cxstring::createRef("ObjCInstanceMethodDecl");
4473 case CXCursor_ObjCClassMethodDecl:
4474 return cxstring::createRef("ObjCClassMethodDecl");
4475 case CXCursor_ObjCImplementationDecl:
4476 return cxstring::createRef("ObjCImplementationDecl");
4477 case CXCursor_ObjCCategoryImplDecl:
4478 return cxstring::createRef("ObjCCategoryImplDecl");
4479 case CXCursor_CXXMethod:
4480 return cxstring::createRef("CXXMethod");
4481 case CXCursor_UnexposedDecl:
4482 return cxstring::createRef("UnexposedDecl");
4483 case CXCursor_ObjCSuperClassRef:
4484 return cxstring::createRef("ObjCSuperClassRef");
4485 case CXCursor_ObjCProtocolRef:
4486 return cxstring::createRef("ObjCProtocolRef");
4487 case CXCursor_ObjCClassRef:
4488 return cxstring::createRef("ObjCClassRef");
4489 case CXCursor_TypeRef:
4490 return cxstring::createRef("TypeRef");
4491 case CXCursor_TemplateRef:
4492 return cxstring::createRef("TemplateRef");
4493 case CXCursor_NamespaceRef:
4494 return cxstring::createRef("NamespaceRef");
4495 case CXCursor_MemberRef:
4496 return cxstring::createRef("MemberRef");
4497 case CXCursor_LabelRef:
4498 return cxstring::createRef("LabelRef");
4499 case CXCursor_OverloadedDeclRef:
4500 return cxstring::createRef("OverloadedDeclRef");
4501 case CXCursor_VariableRef:
4502 return cxstring::createRef("VariableRef");
4503 case CXCursor_IntegerLiteral:
4504 return cxstring::createRef("IntegerLiteral");
4505 case CXCursor_FloatingLiteral:
4506 return cxstring::createRef("FloatingLiteral");
4507 case CXCursor_ImaginaryLiteral:
4508 return cxstring::createRef("ImaginaryLiteral");
4509 case CXCursor_StringLiteral:
4510 return cxstring::createRef("StringLiteral");
4511 case CXCursor_CharacterLiteral:
4512 return cxstring::createRef("CharacterLiteral");
4513 case CXCursor_ParenExpr:
4514 return cxstring::createRef("ParenExpr");
4515 case CXCursor_UnaryOperator:
4516 return cxstring::createRef("UnaryOperator");
4517 case CXCursor_ArraySubscriptExpr:
4518 return cxstring::createRef("ArraySubscriptExpr");
4519 case CXCursor_OMPArraySectionExpr:
4520 return cxstring::createRef("OMPArraySectionExpr");
4521 case CXCursor_BinaryOperator:
4522 return cxstring::createRef("BinaryOperator");
4523 case CXCursor_CompoundAssignOperator:
4524 return cxstring::createRef("CompoundAssignOperator");
4525 case CXCursor_ConditionalOperator:
4526 return cxstring::createRef("ConditionalOperator");
4527 case CXCursor_CStyleCastExpr:
4528 return cxstring::createRef("CStyleCastExpr");
4529 case CXCursor_CompoundLiteralExpr:
4530 return cxstring::createRef("CompoundLiteralExpr");
4531 case CXCursor_InitListExpr:
4532 return cxstring::createRef("InitListExpr");
4533 case CXCursor_AddrLabelExpr:
4534 return cxstring::createRef("AddrLabelExpr");
4535 case CXCursor_StmtExpr:
4536 return cxstring::createRef("StmtExpr");
4537 case CXCursor_GenericSelectionExpr:
4538 return cxstring::createRef("GenericSelectionExpr");
4539 case CXCursor_GNUNullExpr:
4540 return cxstring::createRef("GNUNullExpr");
4541 case CXCursor_CXXStaticCastExpr:
4542 return cxstring::createRef("CXXStaticCastExpr");
4543 case CXCursor_CXXDynamicCastExpr:
4544 return cxstring::createRef("CXXDynamicCastExpr");
4545 case CXCursor_CXXReinterpretCastExpr:
4546 return cxstring::createRef("CXXReinterpretCastExpr");
4547 case CXCursor_CXXConstCastExpr:
4548 return cxstring::createRef("CXXConstCastExpr");
4549 case CXCursor_CXXFunctionalCastExpr:
4550 return cxstring::createRef("CXXFunctionalCastExpr");
4551 case CXCursor_CXXTypeidExpr:
4552 return cxstring::createRef("CXXTypeidExpr");
4553 case CXCursor_CXXBoolLiteralExpr:
4554 return cxstring::createRef("CXXBoolLiteralExpr");
4555 case CXCursor_CXXNullPtrLiteralExpr:
4556 return cxstring::createRef("CXXNullPtrLiteralExpr");
4557 case CXCursor_CXXThisExpr:
4558 return cxstring::createRef("CXXThisExpr");
4559 case CXCursor_CXXThrowExpr:
4560 return cxstring::createRef("CXXThrowExpr");
4561 case CXCursor_CXXNewExpr:
4562 return cxstring::createRef("CXXNewExpr");
4563 case CXCursor_CXXDeleteExpr:
4564 return cxstring::createRef("CXXDeleteExpr");
4565 case CXCursor_UnaryExpr:
4566 return cxstring::createRef("UnaryExpr");
4567 case CXCursor_ObjCStringLiteral:
4568 return cxstring::createRef("ObjCStringLiteral");
4569 case CXCursor_ObjCBoolLiteralExpr:
4570 return cxstring::createRef("ObjCBoolLiteralExpr");
4571 case CXCursor_ObjCSelfExpr:
4572 return cxstring::createRef("ObjCSelfExpr");
4573 case CXCursor_ObjCEncodeExpr:
4574 return cxstring::createRef("ObjCEncodeExpr");
4575 case CXCursor_ObjCSelectorExpr:
4576 return cxstring::createRef("ObjCSelectorExpr");
4577 case CXCursor_ObjCProtocolExpr:
4578 return cxstring::createRef("ObjCProtocolExpr");
4579 case CXCursor_ObjCBridgedCastExpr:
4580 return cxstring::createRef("ObjCBridgedCastExpr");
4581 case CXCursor_BlockExpr:
4582 return cxstring::createRef("BlockExpr");
4583 case CXCursor_PackExpansionExpr:
4584 return cxstring::createRef("PackExpansionExpr");
4585 case CXCursor_SizeOfPackExpr:
4586 return cxstring::createRef("SizeOfPackExpr");
4587 case CXCursor_LambdaExpr:
4588 return cxstring::createRef("LambdaExpr");
4589 case CXCursor_UnexposedExpr:
4590 return cxstring::createRef("UnexposedExpr");
4591 case CXCursor_DeclRefExpr:
4592 return cxstring::createRef("DeclRefExpr");
4593 case CXCursor_MemberRefExpr:
4594 return cxstring::createRef("MemberRefExpr");
4595 case CXCursor_CallExpr:
4596 return cxstring::createRef("CallExpr");
4597 case CXCursor_ObjCMessageExpr:
4598 return cxstring::createRef("ObjCMessageExpr");
4599 case CXCursor_UnexposedStmt:
4600 return cxstring::createRef("UnexposedStmt");
4601 case CXCursor_DeclStmt:
4602 return cxstring::createRef("DeclStmt");
4603 case CXCursor_LabelStmt:
4604 return cxstring::createRef("LabelStmt");
4605 case CXCursor_CompoundStmt:
4606 return cxstring::createRef("CompoundStmt");
4607 case CXCursor_CaseStmt:
4608 return cxstring::createRef("CaseStmt");
4609 case CXCursor_DefaultStmt:
4610 return cxstring::createRef("DefaultStmt");
4611 case CXCursor_IfStmt:
4612 return cxstring::createRef("IfStmt");
4613 case CXCursor_SwitchStmt:
4614 return cxstring::createRef("SwitchStmt");
4615 case CXCursor_WhileStmt:
4616 return cxstring::createRef("WhileStmt");
4617 case CXCursor_DoStmt:
4618 return cxstring::createRef("DoStmt");
4619 case CXCursor_ForStmt:
4620 return cxstring::createRef("ForStmt");
4621 case CXCursor_GotoStmt:
4622 return cxstring::createRef("GotoStmt");
4623 case CXCursor_IndirectGotoStmt:
4624 return cxstring::createRef("IndirectGotoStmt");
4625 case CXCursor_ContinueStmt:
4626 return cxstring::createRef("ContinueStmt");
4627 case CXCursor_BreakStmt:
4628 return cxstring::createRef("BreakStmt");
4629 case CXCursor_ReturnStmt:
4630 return cxstring::createRef("ReturnStmt");
4631 case CXCursor_GCCAsmStmt:
4632 return cxstring::createRef("GCCAsmStmt");
4633 case CXCursor_MSAsmStmt:
4634 return cxstring::createRef("MSAsmStmt");
4635 case CXCursor_ObjCAtTryStmt:
4636 return cxstring::createRef("ObjCAtTryStmt");
4637 case CXCursor_ObjCAtCatchStmt:
4638 return cxstring::createRef("ObjCAtCatchStmt");
4639 case CXCursor_ObjCAtFinallyStmt:
4640 return cxstring::createRef("ObjCAtFinallyStmt");
4641 case CXCursor_ObjCAtThrowStmt:
4642 return cxstring::createRef("ObjCAtThrowStmt");
4643 case CXCursor_ObjCAtSynchronizedStmt:
4644 return cxstring::createRef("ObjCAtSynchronizedStmt");
4645 case CXCursor_ObjCAutoreleasePoolStmt:
4646 return cxstring::createRef("ObjCAutoreleasePoolStmt");
4647 case CXCursor_ObjCForCollectionStmt:
4648 return cxstring::createRef("ObjCForCollectionStmt");
4649 case CXCursor_CXXCatchStmt:
4650 return cxstring::createRef("CXXCatchStmt");
4651 case CXCursor_CXXTryStmt:
4652 return cxstring::createRef("CXXTryStmt");
4653 case CXCursor_CXXForRangeStmt:
4654 return cxstring::createRef("CXXForRangeStmt");
4655 case CXCursor_SEHTryStmt:
4656 return cxstring::createRef("SEHTryStmt");
4657 case CXCursor_SEHExceptStmt:
4658 return cxstring::createRef("SEHExceptStmt");
4659 case CXCursor_SEHFinallyStmt:
4660 return cxstring::createRef("SEHFinallyStmt");
4661 case CXCursor_SEHLeaveStmt:
4662 return cxstring::createRef("SEHLeaveStmt");
4663 case CXCursor_NullStmt:
4664 return cxstring::createRef("NullStmt");
4665 case CXCursor_InvalidFile:
4666 return cxstring::createRef("InvalidFile");
4667 case CXCursor_InvalidCode:
4668 return cxstring::createRef("InvalidCode");
4669 case CXCursor_NoDeclFound:
4670 return cxstring::createRef("NoDeclFound");
4671 case CXCursor_NotImplemented:
4672 return cxstring::createRef("NotImplemented");
4673 case CXCursor_TranslationUnit:
4674 return cxstring::createRef("TranslationUnit");
4675 case CXCursor_UnexposedAttr:
4676 return cxstring::createRef("UnexposedAttr");
4677 case CXCursor_IBActionAttr:
4678 return cxstring::createRef("attribute(ibaction)");
4679 case CXCursor_IBOutletAttr:
4680 return cxstring::createRef("attribute(iboutlet)");
4681 case CXCursor_IBOutletCollectionAttr:
4682 return cxstring::createRef("attribute(iboutletcollection)");
4683 case CXCursor_CXXFinalAttr:
4684 return cxstring::createRef("attribute(final)");
4685 case CXCursor_CXXOverrideAttr:
4686 return cxstring::createRef("attribute(override)");
4687 case CXCursor_AnnotateAttr:
4688 return cxstring::createRef("attribute(annotate)");
4689 case CXCursor_AsmLabelAttr:
4690 return cxstring::createRef("asm label");
4691 case CXCursor_PackedAttr:
4692 return cxstring::createRef("attribute(packed)");
4693 case CXCursor_PureAttr:
4694 return cxstring::createRef("attribute(pure)");
4695 case CXCursor_ConstAttr:
4696 return cxstring::createRef("attribute(const)");
4697 case CXCursor_NoDuplicateAttr:
4698 return cxstring::createRef("attribute(noduplicate)");
4699 case CXCursor_CUDAConstantAttr:
4700 return cxstring::createRef("attribute(constant)");
4701 case CXCursor_CUDADeviceAttr:
4702 return cxstring::createRef("attribute(device)");
4703 case CXCursor_CUDAGlobalAttr:
4704 return cxstring::createRef("attribute(global)");
4705 case CXCursor_CUDAHostAttr:
4706 return cxstring::createRef("attribute(host)");
4707 case CXCursor_CUDASharedAttr:
4708 return cxstring::createRef("attribute(shared)");
4709 case CXCursor_VisibilityAttr:
4710 return cxstring::createRef("attribute(visibility)");
4711 case CXCursor_DLLExport:
4712 return cxstring::createRef("attribute(dllexport)");
4713 case CXCursor_DLLImport:
4714 return cxstring::createRef("attribute(dllimport)");
4715 case CXCursor_PreprocessingDirective:
4716 return cxstring::createRef("preprocessing directive");
4717 case CXCursor_MacroDefinition:
4718 return cxstring::createRef("macro definition");
4719 case CXCursor_MacroExpansion:
4720 return cxstring::createRef("macro expansion");
4721 case CXCursor_InclusionDirective:
4722 return cxstring::createRef("inclusion directive");
4723 case CXCursor_Namespace:
4724 return cxstring::createRef("Namespace");
4725 case CXCursor_LinkageSpec:
4726 return cxstring::createRef("LinkageSpec");
4727 case CXCursor_CXXBaseSpecifier:
4728 return cxstring::createRef("C++ base class specifier");
4729 case CXCursor_Constructor:
4730 return cxstring::createRef("CXXConstructor");
4731 case CXCursor_Destructor:
4732 return cxstring::createRef("CXXDestructor");
4733 case CXCursor_ConversionFunction:
4734 return cxstring::createRef("CXXConversion");
4735 case CXCursor_TemplateTypeParameter:
4736 return cxstring::createRef("TemplateTypeParameter");
4737 case CXCursor_NonTypeTemplateParameter:
4738 return cxstring::createRef("NonTypeTemplateParameter");
4739 case CXCursor_TemplateTemplateParameter:
4740 return cxstring::createRef("TemplateTemplateParameter");
4741 case CXCursor_FunctionTemplate:
4742 return cxstring::createRef("FunctionTemplate");
4743 case CXCursor_ClassTemplate:
4744 return cxstring::createRef("ClassTemplate");
4745 case CXCursor_ClassTemplatePartialSpecialization:
4746 return cxstring::createRef("ClassTemplatePartialSpecialization");
4747 case CXCursor_NamespaceAlias:
4748 return cxstring::createRef("NamespaceAlias");
4749 case CXCursor_UsingDirective:
4750 return cxstring::createRef("UsingDirective");
4751 case CXCursor_UsingDeclaration:
4752 return cxstring::createRef("UsingDeclaration");
4753 case CXCursor_TypeAliasDecl:
4754 return cxstring::createRef("TypeAliasDecl");
4755 case CXCursor_ObjCSynthesizeDecl:
4756 return cxstring::createRef("ObjCSynthesizeDecl");
4757 case CXCursor_ObjCDynamicDecl:
4758 return cxstring::createRef("ObjCDynamicDecl");
4759 case CXCursor_CXXAccessSpecifier:
4760 return cxstring::createRef("CXXAccessSpecifier");
4761 case CXCursor_ModuleImportDecl:
4762 return cxstring::createRef("ModuleImport");
4763 case CXCursor_OMPParallelDirective:
4764 return cxstring::createRef("OMPParallelDirective");
4765 case CXCursor_OMPSimdDirective:
4766 return cxstring::createRef("OMPSimdDirective");
4767 case CXCursor_OMPForDirective:
4768 return cxstring::createRef("OMPForDirective");
4769 case CXCursor_OMPForSimdDirective:
4770 return cxstring::createRef("OMPForSimdDirective");
4771 case CXCursor_OMPSectionsDirective:
4772 return cxstring::createRef("OMPSectionsDirective");
4773 case CXCursor_OMPSectionDirective:
4774 return cxstring::createRef("OMPSectionDirective");
4775 case CXCursor_OMPSingleDirective:
4776 return cxstring::createRef("OMPSingleDirective");
4777 case CXCursor_OMPMasterDirective:
4778 return cxstring::createRef("OMPMasterDirective");
4779 case CXCursor_OMPCriticalDirective:
4780 return cxstring::createRef("OMPCriticalDirective");
4781 case CXCursor_OMPParallelForDirective:
4782 return cxstring::createRef("OMPParallelForDirective");
4783 case CXCursor_OMPParallelForSimdDirective:
4784 return cxstring::createRef("OMPParallelForSimdDirective");
4785 case CXCursor_OMPParallelSectionsDirective:
4786 return cxstring::createRef("OMPParallelSectionsDirective");
4787 case CXCursor_OMPTaskDirective:
4788 return cxstring::createRef("OMPTaskDirective");
4789 case CXCursor_OMPTaskyieldDirective:
4790 return cxstring::createRef("OMPTaskyieldDirective");
4791 case CXCursor_OMPBarrierDirective:
4792 return cxstring::createRef("OMPBarrierDirective");
4793 case CXCursor_OMPTaskwaitDirective:
4794 return cxstring::createRef("OMPTaskwaitDirective");
4795 case CXCursor_OMPTaskgroupDirective:
4796 return cxstring::createRef("OMPTaskgroupDirective");
4797 case CXCursor_OMPFlushDirective:
4798 return cxstring::createRef("OMPFlushDirective");
4799 case CXCursor_OMPOrderedDirective:
4800 return cxstring::createRef("OMPOrderedDirective");
4801 case CXCursor_OMPAtomicDirective:
4802 return cxstring::createRef("OMPAtomicDirective");
4803 case CXCursor_OMPTargetDirective:
4804 return cxstring::createRef("OMPTargetDirective");
4805 case CXCursor_OMPTargetDataDirective:
4806 return cxstring::createRef("OMPTargetDataDirective");
4807 case CXCursor_OMPTargetEnterDataDirective:
4808 return cxstring::createRef("OMPTargetEnterDataDirective");
4809 case CXCursor_OMPTargetExitDataDirective:
4810 return cxstring::createRef("OMPTargetExitDataDirective");
4811 case CXCursor_OMPTargetParallelDirective:
4812 return cxstring::createRef("OMPTargetParallelDirective");
4813 case CXCursor_OMPTargetParallelForDirective:
4814 return cxstring::createRef("OMPTargetParallelForDirective");
4815 case CXCursor_OMPTeamsDirective:
4816 return cxstring::createRef("OMPTeamsDirective");
4817 case CXCursor_OMPCancellationPointDirective:
4818 return cxstring::createRef("OMPCancellationPointDirective");
4819 case CXCursor_OMPCancelDirective:
4820 return cxstring::createRef("OMPCancelDirective");
4821 case CXCursor_OMPTaskLoopDirective:
4822 return cxstring::createRef("OMPTaskLoopDirective");
4823 case CXCursor_OMPTaskLoopSimdDirective:
4824 return cxstring::createRef("OMPTaskLoopSimdDirective");
4825 case CXCursor_OMPDistributeDirective:
4826 return cxstring::createRef("OMPDistributeDirective");
4827 case CXCursor_OverloadCandidate:
4828 return cxstring::createRef("OverloadCandidate");
4829 case CXCursor_TypeAliasTemplateDecl:
4830 return cxstring::createRef("TypeAliasTemplateDecl");
4833 llvm_unreachable("Unhandled CXCursorKind");
4836 struct GetCursorData {
4837 SourceLocation TokenBeginLoc;
4838 bool PointsAtMacroArgExpansion;
4839 bool VisitedObjCPropertyImplDecl;
4840 SourceLocation VisitedDeclaratorDeclStartLoc;
4841 CXCursor &BestCursor;
4843 GetCursorData(SourceManager &SM,
4844 SourceLocation tokenBegin, CXCursor &outputCursor)
4845 : TokenBeginLoc(tokenBegin), BestCursor(outputCursor) {
4846 PointsAtMacroArgExpansion = SM.isMacroArgExpansion(tokenBegin);
4847 VisitedObjCPropertyImplDecl = false;
4851 static enum CXChildVisitResult GetCursorVisitor(CXCursor cursor,
4853 CXClientData client_data) {
4854 GetCursorData *Data = static_cast<GetCursorData *>(client_data);
4855 CXCursor *BestCursor = &Data->BestCursor;
4857 // If we point inside a macro argument we should provide info of what the
4858 // token is so use the actual cursor, don't replace it with a macro expansion
4860 if (cursor.kind == CXCursor_MacroExpansion && Data->PointsAtMacroArgExpansion)
4861 return CXChildVisit_Recurse;
4863 if (clang_isDeclaration(cursor.kind)) {
4864 // Avoid having the implicit methods override the property decls.
4865 if (const ObjCMethodDecl *MD
4866 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
4867 if (MD->isImplicit())
4868 return CXChildVisit_Break;
4870 } else if (const ObjCInterfaceDecl *ID
4871 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(cursor))) {
4872 // Check that when we have multiple @class references in the same line,
4873 // that later ones do not override the previous ones.
4876 // source ranges for both start at '@', so 'Bar' will end up overriding
4877 // 'Foo' even though the cursor location was at 'Foo'.
4878 if (BestCursor->kind == CXCursor_ObjCInterfaceDecl ||
4879 BestCursor->kind == CXCursor_ObjCClassRef)
4880 if (const ObjCInterfaceDecl *PrevID
4881 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(*BestCursor))){
4883 !PrevID->isThisDeclarationADefinition() &&
4884 !ID->isThisDeclarationADefinition())
4885 return CXChildVisit_Break;
4888 } else if (const DeclaratorDecl *DD
4889 = dyn_cast_or_null<DeclaratorDecl>(getCursorDecl(cursor))) {
4890 SourceLocation StartLoc = DD->getSourceRange().getBegin();
4891 // Check that when we have multiple declarators in the same line,
4892 // that later ones do not override the previous ones.
4895 // source ranges for both start at 'int', so 'Bar' will end up overriding
4896 // 'Foo' even though the cursor location was at 'Foo'.
4897 if (Data->VisitedDeclaratorDeclStartLoc == StartLoc)
4898 return CXChildVisit_Break;
4899 Data->VisitedDeclaratorDeclStartLoc = StartLoc;
4901 } else if (const ObjCPropertyImplDecl *PropImp
4902 = dyn_cast_or_null<ObjCPropertyImplDecl>(getCursorDecl(cursor))) {
4904 // Check that when we have multiple @synthesize in the same line,
4905 // that later ones do not override the previous ones.
4907 // @synthesize Foo, Bar;
4908 // source ranges for both start at '@', so 'Bar' will end up overriding
4909 // 'Foo' even though the cursor location was at 'Foo'.
4910 if (Data->VisitedObjCPropertyImplDecl)
4911 return CXChildVisit_Break;
4912 Data->VisitedObjCPropertyImplDecl = true;
4916 if (clang_isExpression(cursor.kind) &&
4917 clang_isDeclaration(BestCursor->kind)) {
4918 if (const Decl *D = getCursorDecl(*BestCursor)) {
4919 // Avoid having the cursor of an expression replace the declaration cursor
4920 // when the expression source range overlaps the declaration range.
4921 // This can happen for C++ constructor expressions whose range generally
4922 // include the variable declaration, e.g.:
4923 // MyCXXClass foo; // Make sure pointing at 'foo' returns a VarDecl cursor.
4924 if (D->getLocation().isValid() && Data->TokenBeginLoc.isValid() &&
4925 D->getLocation() == Data->TokenBeginLoc)
4926 return CXChildVisit_Break;
4930 // If our current best cursor is the construction of a temporary object,
4931 // don't replace that cursor with a type reference, because we want
4932 // clang_getCursor() to point at the constructor.
4933 if (clang_isExpression(BestCursor->kind) &&
4934 isa<CXXTemporaryObjectExpr>(getCursorExpr(*BestCursor)) &&
4935 cursor.kind == CXCursor_TypeRef) {
4936 // Keep the cursor pointing at CXXTemporaryObjectExpr but also mark it
4937 // as having the actual point on the type reference.
4938 *BestCursor = getTypeRefedCallExprCursor(*BestCursor);
4939 return CXChildVisit_Recurse;
4942 // If we already have an Objective-C superclass reference, don't
4943 // update it further.
4944 if (BestCursor->kind == CXCursor_ObjCSuperClassRef)
4945 return CXChildVisit_Break;
4947 *BestCursor = cursor;
4948 return CXChildVisit_Recurse;
4951 CXCursor clang_getCursor(CXTranslationUnit TU, CXSourceLocation Loc) {
4952 if (isNotUsableTU(TU)) {
4954 return clang_getNullCursor();
4957 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4958 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
4960 SourceLocation SLoc = cxloc::translateSourceLocation(Loc);
4961 CXCursor Result = cxcursor::getCursor(TU, SLoc);
4965 unsigned SearchLine, SearchColumn;
4967 unsigned ResultLine, ResultColumn;
4968 CXString SearchFileName, ResultFileName, KindSpelling, USR;
4969 const char *IsDef = clang_isCursorDefinition(Result)? " (Definition)" : "";
4970 CXSourceLocation ResultLoc = clang_getCursorLocation(Result);
4972 clang_getFileLocation(Loc, &SearchFile, &SearchLine, &SearchColumn,
4974 clang_getFileLocation(ResultLoc, &ResultFile, &ResultLine,
4975 &ResultColumn, nullptr);
4976 SearchFileName = clang_getFileName(SearchFile);
4977 ResultFileName = clang_getFileName(ResultFile);
4978 KindSpelling = clang_getCursorKindSpelling(Result.kind);
4979 USR = clang_getCursorUSR(Result);
4980 *Log << llvm::format("(%s:%d:%d) = %s",
4981 clang_getCString(SearchFileName), SearchLine, SearchColumn,
4982 clang_getCString(KindSpelling))
4983 << llvm::format("(%s:%d:%d):%s%s",
4984 clang_getCString(ResultFileName), ResultLine, ResultColumn,
4985 clang_getCString(USR), IsDef);
4986 clang_disposeString(SearchFileName);
4987 clang_disposeString(ResultFileName);
4988 clang_disposeString(KindSpelling);
4989 clang_disposeString(USR);
4991 CXCursor Definition = clang_getCursorDefinition(Result);
4992 if (!clang_equalCursors(Definition, clang_getNullCursor())) {
4993 CXSourceLocation DefinitionLoc = clang_getCursorLocation(Definition);
4994 CXString DefinitionKindSpelling
4995 = clang_getCursorKindSpelling(Definition.kind);
4996 CXFile DefinitionFile;
4997 unsigned DefinitionLine, DefinitionColumn;
4998 clang_getFileLocation(DefinitionLoc, &DefinitionFile,
4999 &DefinitionLine, &DefinitionColumn, nullptr);
5000 CXString DefinitionFileName = clang_getFileName(DefinitionFile);
5001 *Log << llvm::format(" -> %s(%s:%d:%d)",
5002 clang_getCString(DefinitionKindSpelling),
5003 clang_getCString(DefinitionFileName),
5004 DefinitionLine, DefinitionColumn);
5005 clang_disposeString(DefinitionFileName);
5006 clang_disposeString(DefinitionKindSpelling);
5013 CXCursor clang_getNullCursor(void) {
5014 return MakeCXCursorInvalid(CXCursor_InvalidFile);
5017 unsigned clang_equalCursors(CXCursor X, CXCursor Y) {
5018 // Clear out the "FirstInDeclGroup" part in a declaration cursor, since we
5019 // can't set consistently. For example, when visiting a DeclStmt we will set
5020 // it but we don't set it on the result of clang_getCursorDefinition for
5021 // a reference of the same declaration.
5022 // FIXME: Setting "FirstInDeclGroup" in CXCursors is a hack that only works
5023 // when visiting a DeclStmt currently, the AST should be enhanced to be able
5024 // to provide that kind of info.
5025 if (clang_isDeclaration(X.kind))
5026 X.data[1] = nullptr;
5027 if (clang_isDeclaration(Y.kind))
5028 Y.data[1] = nullptr;
5033 unsigned clang_hashCursor(CXCursor C) {
5035 if (clang_isExpression(C.kind) || clang_isStatement(C.kind))
5038 return llvm::DenseMapInfo<std::pair<unsigned, const void*> >::getHashValue(
5039 std::make_pair(C.kind, C.data[Index]));
5042 unsigned clang_isInvalid(enum CXCursorKind K) {
5043 return K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid;
5046 unsigned clang_isDeclaration(enum CXCursorKind K) {
5047 return (K >= CXCursor_FirstDecl && K <= CXCursor_LastDecl) ||
5048 (K >= CXCursor_FirstExtraDecl && K <= CXCursor_LastExtraDecl);
5051 unsigned clang_isReference(enum CXCursorKind K) {
5052 return K >= CXCursor_FirstRef && K <= CXCursor_LastRef;
5055 unsigned clang_isExpression(enum CXCursorKind K) {
5056 return K >= CXCursor_FirstExpr && K <= CXCursor_LastExpr;
5059 unsigned clang_isStatement(enum CXCursorKind K) {
5060 return K >= CXCursor_FirstStmt && K <= CXCursor_LastStmt;
5063 unsigned clang_isAttribute(enum CXCursorKind K) {
5064 return K >= CXCursor_FirstAttr && K <= CXCursor_LastAttr;
5067 unsigned clang_isTranslationUnit(enum CXCursorKind K) {
5068 return K == CXCursor_TranslationUnit;
5071 unsigned clang_isPreprocessing(enum CXCursorKind K) {
5072 return K >= CXCursor_FirstPreprocessing && K <= CXCursor_LastPreprocessing;
5075 unsigned clang_isUnexposed(enum CXCursorKind K) {
5077 case CXCursor_UnexposedDecl:
5078 case CXCursor_UnexposedExpr:
5079 case CXCursor_UnexposedStmt:
5080 case CXCursor_UnexposedAttr:
5087 CXCursorKind clang_getCursorKind(CXCursor C) {
5091 CXSourceLocation clang_getCursorLocation(CXCursor C) {
5092 if (clang_isReference(C.kind)) {
5094 case CXCursor_ObjCSuperClassRef: {
5095 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
5096 = getCursorObjCSuperClassRef(C);
5097 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5100 case CXCursor_ObjCProtocolRef: {
5101 std::pair<const ObjCProtocolDecl *, SourceLocation> P
5102 = getCursorObjCProtocolRef(C);
5103 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5106 case CXCursor_ObjCClassRef: {
5107 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
5108 = getCursorObjCClassRef(C);
5109 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5112 case CXCursor_TypeRef: {
5113 std::pair<const TypeDecl *, SourceLocation> P = getCursorTypeRef(C);
5114 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5117 case CXCursor_TemplateRef: {
5118 std::pair<const TemplateDecl *, SourceLocation> P =
5119 getCursorTemplateRef(C);
5120 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5123 case CXCursor_NamespaceRef: {
5124 std::pair<const NamedDecl *, SourceLocation> P = getCursorNamespaceRef(C);
5125 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5128 case CXCursor_MemberRef: {
5129 std::pair<const FieldDecl *, SourceLocation> P = getCursorMemberRef(C);
5130 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5133 case CXCursor_VariableRef: {
5134 std::pair<const VarDecl *, SourceLocation> P = getCursorVariableRef(C);
5135 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
5138 case CXCursor_CXXBaseSpecifier: {
5139 const CXXBaseSpecifier *BaseSpec = getCursorCXXBaseSpecifier(C);
5141 return clang_getNullLocation();
5143 if (TypeSourceInfo *TSInfo = BaseSpec->getTypeSourceInfo())
5144 return cxloc::translateSourceLocation(getCursorContext(C),
5145 TSInfo->getTypeLoc().getBeginLoc());
5147 return cxloc::translateSourceLocation(getCursorContext(C),
5148 BaseSpec->getLocStart());
5151 case CXCursor_LabelRef: {
5152 std::pair<const LabelStmt *, SourceLocation> P = getCursorLabelRef(C);
5153 return cxloc::translateSourceLocation(getCursorContext(C), P.second);
5156 case CXCursor_OverloadedDeclRef:
5157 return cxloc::translateSourceLocation(getCursorContext(C),
5158 getCursorOverloadedDeclRef(C).second);
5161 // FIXME: Need a way to enumerate all non-reference cases.
5162 llvm_unreachable("Missed a reference kind");
5166 if (clang_isExpression(C.kind))
5167 return cxloc::translateSourceLocation(getCursorContext(C),
5168 getLocationFromExpr(getCursorExpr(C)));
5170 if (clang_isStatement(C.kind))
5171 return cxloc::translateSourceLocation(getCursorContext(C),
5172 getCursorStmt(C)->getLocStart());
5174 if (C.kind == CXCursor_PreprocessingDirective) {
5175 SourceLocation L = cxcursor::getCursorPreprocessingDirective(C).getBegin();
5176 return cxloc::translateSourceLocation(getCursorContext(C), L);
5179 if (C.kind == CXCursor_MacroExpansion) {
5181 = cxcursor::getCursorMacroExpansion(C).getSourceRange().getBegin();
5182 return cxloc::translateSourceLocation(getCursorContext(C), L);
5185 if (C.kind == CXCursor_MacroDefinition) {
5186 SourceLocation L = cxcursor::getCursorMacroDefinition(C)->getLocation();
5187 return cxloc::translateSourceLocation(getCursorContext(C), L);
5190 if (C.kind == CXCursor_InclusionDirective) {
5192 = cxcursor::getCursorInclusionDirective(C)->getSourceRange().getBegin();
5193 return cxloc::translateSourceLocation(getCursorContext(C), L);
5196 if (clang_isAttribute(C.kind)) {
5198 = cxcursor::getCursorAttr(C)->getLocation();
5199 return cxloc::translateSourceLocation(getCursorContext(C), L);
5202 if (!clang_isDeclaration(C.kind))
5203 return clang_getNullLocation();
5205 const Decl *D = getCursorDecl(C);
5207 return clang_getNullLocation();
5209 SourceLocation Loc = D->getLocation();
5210 // FIXME: Multiple variables declared in a single declaration
5211 // currently lack the information needed to correctly determine their
5212 // ranges when accounting for the type-specifier. We use context
5213 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5214 // and if so, whether it is the first decl.
5215 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5216 if (!cxcursor::isFirstInDeclGroup(C))
5217 Loc = VD->getLocation();
5220 // For ObjC methods, give the start location of the method name.
5221 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
5222 Loc = MD->getSelectorStartLoc();
5224 return cxloc::translateSourceLocation(getCursorContext(C), Loc);
5229 CXCursor cxcursor::getCursor(CXTranslationUnit TU, SourceLocation SLoc) {
5232 // Guard against an invalid SourceLocation, or we may assert in one
5233 // of the following calls.
5234 if (SLoc.isInvalid())
5235 return clang_getNullCursor();
5237 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5239 // Translate the given source location to make it point at the beginning of
5240 // the token under the cursor.
5241 SLoc = Lexer::GetBeginningOfToken(SLoc, CXXUnit->getSourceManager(),
5242 CXXUnit->getASTContext().getLangOpts());
5244 CXCursor Result = MakeCXCursorInvalid(CXCursor_NoDeclFound);
5245 if (SLoc.isValid()) {
5246 GetCursorData ResultData(CXXUnit->getSourceManager(), SLoc, Result);
5247 CursorVisitor CursorVis(TU, GetCursorVisitor, &ResultData,
5248 /*VisitPreprocessorLast=*/true,
5249 /*VisitIncludedEntities=*/false,
5250 SourceLocation(SLoc));
5251 CursorVis.visitFileRegion();
5257 static SourceRange getRawCursorExtent(CXCursor C) {
5258 if (clang_isReference(C.kind)) {
5260 case CXCursor_ObjCSuperClassRef:
5261 return getCursorObjCSuperClassRef(C).second;
5263 case CXCursor_ObjCProtocolRef:
5264 return getCursorObjCProtocolRef(C).second;
5266 case CXCursor_ObjCClassRef:
5267 return getCursorObjCClassRef(C).second;
5269 case CXCursor_TypeRef:
5270 return getCursorTypeRef(C).second;
5272 case CXCursor_TemplateRef:
5273 return getCursorTemplateRef(C).second;
5275 case CXCursor_NamespaceRef:
5276 return getCursorNamespaceRef(C).second;
5278 case CXCursor_MemberRef:
5279 return getCursorMemberRef(C).second;
5281 case CXCursor_CXXBaseSpecifier:
5282 return getCursorCXXBaseSpecifier(C)->getSourceRange();
5284 case CXCursor_LabelRef:
5285 return getCursorLabelRef(C).second;
5287 case CXCursor_OverloadedDeclRef:
5288 return getCursorOverloadedDeclRef(C).second;
5290 case CXCursor_VariableRef:
5291 return getCursorVariableRef(C).second;
5294 // FIXME: Need a way to enumerate all non-reference cases.
5295 llvm_unreachable("Missed a reference kind");
5299 if (clang_isExpression(C.kind))
5300 return getCursorExpr(C)->getSourceRange();
5302 if (clang_isStatement(C.kind))
5303 return getCursorStmt(C)->getSourceRange();
5305 if (clang_isAttribute(C.kind))
5306 return getCursorAttr(C)->getRange();
5308 if (C.kind == CXCursor_PreprocessingDirective)
5309 return cxcursor::getCursorPreprocessingDirective(C);
5311 if (C.kind == CXCursor_MacroExpansion) {
5312 ASTUnit *TU = getCursorASTUnit(C);
5313 SourceRange Range = cxcursor::getCursorMacroExpansion(C).getSourceRange();
5314 return TU->mapRangeFromPreamble(Range);
5317 if (C.kind == CXCursor_MacroDefinition) {
5318 ASTUnit *TU = getCursorASTUnit(C);
5319 SourceRange Range = cxcursor::getCursorMacroDefinition(C)->getSourceRange();
5320 return TU->mapRangeFromPreamble(Range);
5323 if (C.kind == CXCursor_InclusionDirective) {
5324 ASTUnit *TU = getCursorASTUnit(C);
5325 SourceRange Range = cxcursor::getCursorInclusionDirective(C)->getSourceRange();
5326 return TU->mapRangeFromPreamble(Range);
5329 if (C.kind == CXCursor_TranslationUnit) {
5330 ASTUnit *TU = getCursorASTUnit(C);
5331 FileID MainID = TU->getSourceManager().getMainFileID();
5332 SourceLocation Start = TU->getSourceManager().getLocForStartOfFile(MainID);
5333 SourceLocation End = TU->getSourceManager().getLocForEndOfFile(MainID);
5334 return SourceRange(Start, End);
5337 if (clang_isDeclaration(C.kind)) {
5338 const Decl *D = cxcursor::getCursorDecl(C);
5340 return SourceRange();
5342 SourceRange R = D->getSourceRange();
5343 // FIXME: Multiple variables declared in a single declaration
5344 // currently lack the information needed to correctly determine their
5345 // ranges when accounting for the type-specifier. We use context
5346 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5347 // and if so, whether it is the first decl.
5348 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5349 if (!cxcursor::isFirstInDeclGroup(C))
5350 R.setBegin(VD->getLocation());
5354 return SourceRange();
5357 /// \brief Retrieves the "raw" cursor extent, which is then extended to include
5358 /// the decl-specifier-seq for declarations.
5359 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr) {
5360 if (clang_isDeclaration(C.kind)) {
5361 const Decl *D = cxcursor::getCursorDecl(C);
5363 return SourceRange();
5365 SourceRange R = D->getSourceRange();
5367 // Adjust the start of the location for declarations preceded by
5368 // declaration specifiers.
5369 SourceLocation StartLoc;
5370 if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
5371 if (TypeSourceInfo *TI = DD->getTypeSourceInfo())
5372 StartLoc = TI->getTypeLoc().getLocStart();
5373 } else if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(D)) {
5374 if (TypeSourceInfo *TI = Typedef->getTypeSourceInfo())
5375 StartLoc = TI->getTypeLoc().getLocStart();
5378 if (StartLoc.isValid() && R.getBegin().isValid() &&
5379 SrcMgr.isBeforeInTranslationUnit(StartLoc, R.getBegin()))
5380 R.setBegin(StartLoc);
5382 // FIXME: Multiple variables declared in a single declaration
5383 // currently lack the information needed to correctly determine their
5384 // ranges when accounting for the type-specifier. We use context
5385 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
5386 // and if so, whether it is the first decl.
5387 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
5388 if (!cxcursor::isFirstInDeclGroup(C))
5389 R.setBegin(VD->getLocation());
5395 return getRawCursorExtent(C);
5400 CXSourceRange clang_getCursorExtent(CXCursor C) {
5401 SourceRange R = getRawCursorExtent(C);
5403 return clang_getNullRange();
5405 return cxloc::translateSourceRange(getCursorContext(C), R);
5408 CXCursor clang_getCursorReferenced(CXCursor C) {
5409 if (clang_isInvalid(C.kind))
5410 return clang_getNullCursor();
5412 CXTranslationUnit tu = getCursorTU(C);
5413 if (clang_isDeclaration(C.kind)) {
5414 const Decl *D = getCursorDecl(C);
5416 return clang_getNullCursor();
5417 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5418 return MakeCursorOverloadedDeclRef(Using, D->getLocation(), tu);
5419 if (const ObjCPropertyImplDecl *PropImpl =
5420 dyn_cast<ObjCPropertyImplDecl>(D))
5421 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
5422 return MakeCXCursor(Property, tu);
5427 if (clang_isExpression(C.kind)) {
5428 const Expr *E = getCursorExpr(C);
5429 const Decl *D = getDeclFromExpr(E);
5431 CXCursor declCursor = MakeCXCursor(D, tu);
5432 declCursor = getSelectorIdentifierCursor(getSelectorIdentifierIndex(C),
5437 if (const OverloadExpr *Ovl = dyn_cast_or_null<OverloadExpr>(E))
5438 return MakeCursorOverloadedDeclRef(Ovl, tu);
5440 return clang_getNullCursor();
5443 if (clang_isStatement(C.kind)) {
5444 const Stmt *S = getCursorStmt(C);
5445 if (const GotoStmt *Goto = dyn_cast_or_null<GotoStmt>(S))
5446 if (LabelDecl *label = Goto->getLabel())
5447 if (LabelStmt *labelS = label->getStmt())
5448 return MakeCXCursor(labelS, getCursorDecl(C), tu);
5450 return clang_getNullCursor();
5453 if (C.kind == CXCursor_MacroExpansion) {
5454 if (const MacroDefinitionRecord *Def =
5455 getCursorMacroExpansion(C).getDefinition())
5456 return MakeMacroDefinitionCursor(Def, tu);
5459 if (!clang_isReference(C.kind))
5460 return clang_getNullCursor();
5463 case CXCursor_ObjCSuperClassRef:
5464 return MakeCXCursor(getCursorObjCSuperClassRef(C).first, tu);
5466 case CXCursor_ObjCProtocolRef: {
5467 const ObjCProtocolDecl *Prot = getCursorObjCProtocolRef(C).first;
5468 if (const ObjCProtocolDecl *Def = Prot->getDefinition())
5469 return MakeCXCursor(Def, tu);
5471 return MakeCXCursor(Prot, tu);
5474 case CXCursor_ObjCClassRef: {
5475 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
5476 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5477 return MakeCXCursor(Def, tu);
5479 return MakeCXCursor(Class, tu);
5482 case CXCursor_TypeRef:
5483 return MakeCXCursor(getCursorTypeRef(C).first, tu );
5485 case CXCursor_TemplateRef:
5486 return MakeCXCursor(getCursorTemplateRef(C).first, tu );
5488 case CXCursor_NamespaceRef:
5489 return MakeCXCursor(getCursorNamespaceRef(C).first, tu );
5491 case CXCursor_MemberRef:
5492 return MakeCXCursor(getCursorMemberRef(C).first, tu );
5494 case CXCursor_CXXBaseSpecifier: {
5495 const CXXBaseSpecifier *B = cxcursor::getCursorCXXBaseSpecifier(C);
5496 return clang_getTypeDeclaration(cxtype::MakeCXType(B->getType(),
5500 case CXCursor_LabelRef:
5501 // FIXME: We end up faking the "parent" declaration here because we
5502 // don't want to make CXCursor larger.
5503 return MakeCXCursor(getCursorLabelRef(C).first,
5504 cxtu::getASTUnit(tu)->getASTContext()
5505 .getTranslationUnitDecl(),
5508 case CXCursor_OverloadedDeclRef:
5511 case CXCursor_VariableRef:
5512 return MakeCXCursor(getCursorVariableRef(C).first, tu);
5515 // We would prefer to enumerate all non-reference cursor kinds here.
5516 llvm_unreachable("Unhandled reference cursor kind");
5520 CXCursor clang_getCursorDefinition(CXCursor C) {
5521 if (clang_isInvalid(C.kind))
5522 return clang_getNullCursor();
5524 CXTranslationUnit TU = getCursorTU(C);
5526 bool WasReference = false;
5527 if (clang_isReference(C.kind) || clang_isExpression(C.kind)) {
5528 C = clang_getCursorReferenced(C);
5529 WasReference = true;
5532 if (C.kind == CXCursor_MacroExpansion)
5533 return clang_getCursorReferenced(C);
5535 if (!clang_isDeclaration(C.kind))
5536 return clang_getNullCursor();
5538 const Decl *D = getCursorDecl(C);
5540 return clang_getNullCursor();
5542 switch (D->getKind()) {
5543 // Declaration kinds that don't really separate the notions of
5544 // declaration and definition.
5545 case Decl::Namespace:
5547 case Decl::TypeAlias:
5548 case Decl::TypeAliasTemplate:
5549 case Decl::TemplateTypeParm:
5550 case Decl::EnumConstant:
5552 case Decl::MSProperty:
5553 case Decl::IndirectField:
5554 case Decl::ObjCIvar:
5555 case Decl::ObjCAtDefsField:
5556 case Decl::ImplicitParam:
5558 case Decl::NonTypeTemplateParm:
5559 case Decl::TemplateTemplateParm:
5560 case Decl::ObjCCategoryImpl:
5561 case Decl::ObjCImplementation:
5562 case Decl::AccessSpec:
5563 case Decl::LinkageSpec:
5564 case Decl::ObjCPropertyImpl:
5565 case Decl::FileScopeAsm:
5566 case Decl::StaticAssert:
5568 case Decl::Captured:
5569 case Decl::OMPCapturedExpr:
5570 case Decl::Label: // FIXME: Is this right??
5571 case Decl::ClassScopeFunctionSpecialization:
5573 case Decl::OMPThreadPrivate:
5574 case Decl::ObjCTypeParam:
5575 case Decl::BuiltinTemplate:
5578 // Declaration kinds that don't make any sense here, but are
5579 // nonetheless harmless.
5581 case Decl::TranslationUnit:
5582 case Decl::ExternCContext:
5585 // Declaration kinds for which the definition is not resolvable.
5586 case Decl::UnresolvedUsingTypename:
5587 case Decl::UnresolvedUsingValue:
5590 case Decl::UsingDirective:
5591 return MakeCXCursor(cast<UsingDirectiveDecl>(D)->getNominatedNamespace(),
5594 case Decl::NamespaceAlias:
5595 return MakeCXCursor(cast<NamespaceAliasDecl>(D)->getNamespace(), TU);
5599 case Decl::CXXRecord:
5600 case Decl::ClassTemplateSpecialization:
5601 case Decl::ClassTemplatePartialSpecialization:
5602 if (TagDecl *Def = cast<TagDecl>(D)->getDefinition())
5603 return MakeCXCursor(Def, TU);
5604 return clang_getNullCursor();
5606 case Decl::Function:
5607 case Decl::CXXMethod:
5608 case Decl::CXXConstructor:
5609 case Decl::CXXDestructor:
5610 case Decl::CXXConversion: {
5611 const FunctionDecl *Def = nullptr;
5612 if (cast<FunctionDecl>(D)->getBody(Def))
5613 return MakeCXCursor(Def, TU);
5614 return clang_getNullCursor();
5618 case Decl::VarTemplateSpecialization:
5619 case Decl::VarTemplatePartialSpecialization: {
5620 // Ask the variable if it has a definition.
5621 if (const VarDecl *Def = cast<VarDecl>(D)->getDefinition())
5622 return MakeCXCursor(Def, TU);
5623 return clang_getNullCursor();
5626 case Decl::FunctionTemplate: {
5627 const FunctionDecl *Def = nullptr;
5628 if (cast<FunctionTemplateDecl>(D)->getTemplatedDecl()->getBody(Def))
5629 return MakeCXCursor(Def->getDescribedFunctionTemplate(), TU);
5630 return clang_getNullCursor();
5633 case Decl::ClassTemplate: {
5634 if (RecordDecl *Def = cast<ClassTemplateDecl>(D)->getTemplatedDecl()
5636 return MakeCXCursor(cast<CXXRecordDecl>(Def)->getDescribedClassTemplate(),
5638 return clang_getNullCursor();
5641 case Decl::VarTemplate: {
5643 cast<VarTemplateDecl>(D)->getTemplatedDecl()->getDefinition())
5644 return MakeCXCursor(cast<VarDecl>(Def)->getDescribedVarTemplate(), TU);
5645 return clang_getNullCursor();
5649 return MakeCursorOverloadedDeclRef(cast<UsingDecl>(D),
5650 D->getLocation(), TU);
5652 case Decl::UsingShadow:
5653 return clang_getCursorDefinition(
5654 MakeCXCursor(cast<UsingShadowDecl>(D)->getTargetDecl(),
5657 case Decl::ObjCMethod: {
5658 const ObjCMethodDecl *Method = cast<ObjCMethodDecl>(D);
5659 if (Method->isThisDeclarationADefinition())
5662 // Dig out the method definition in the associated
5663 // @implementation, if we have it.
5664 // FIXME: The ASTs should make finding the definition easier.
5665 if (const ObjCInterfaceDecl *Class
5666 = dyn_cast<ObjCInterfaceDecl>(Method->getDeclContext()))
5667 if (ObjCImplementationDecl *ClassImpl = Class->getImplementation())
5668 if (ObjCMethodDecl *Def = ClassImpl->getMethod(Method->getSelector(),
5669 Method->isInstanceMethod()))
5670 if (Def->isThisDeclarationADefinition())
5671 return MakeCXCursor(Def, TU);
5673 return clang_getNullCursor();
5676 case Decl::ObjCCategory:
5677 if (ObjCCategoryImplDecl *Impl
5678 = cast<ObjCCategoryDecl>(D)->getImplementation())
5679 return MakeCXCursor(Impl, TU);
5680 return clang_getNullCursor();
5682 case Decl::ObjCProtocol:
5683 if (const ObjCProtocolDecl *Def = cast<ObjCProtocolDecl>(D)->getDefinition())
5684 return MakeCXCursor(Def, TU);
5685 return clang_getNullCursor();
5687 case Decl::ObjCInterface: {
5688 // There are two notions of a "definition" for an Objective-C
5689 // class: the interface and its implementation. When we resolved a
5690 // reference to an Objective-C class, produce the @interface as
5691 // the definition; when we were provided with the interface,
5692 // produce the @implementation as the definition.
5693 const ObjCInterfaceDecl *IFace = cast<ObjCInterfaceDecl>(D);
5695 if (const ObjCInterfaceDecl *Def = IFace->getDefinition())
5696 return MakeCXCursor(Def, TU);
5697 } else if (ObjCImplementationDecl *Impl = IFace->getImplementation())
5698 return MakeCXCursor(Impl, TU);
5699 return clang_getNullCursor();
5702 case Decl::ObjCProperty:
5703 // FIXME: We don't really know where to find the
5704 // ObjCPropertyImplDecls that implement this property.
5705 return clang_getNullCursor();
5707 case Decl::ObjCCompatibleAlias:
5708 if (const ObjCInterfaceDecl *Class
5709 = cast<ObjCCompatibleAliasDecl>(D)->getClassInterface())
5710 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5711 return MakeCXCursor(Def, TU);
5713 return clang_getNullCursor();
5716 if (NamedDecl *Friend = cast<FriendDecl>(D)->getFriendDecl())
5717 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5718 return clang_getNullCursor();
5720 case Decl::FriendTemplate:
5721 if (NamedDecl *Friend = cast<FriendTemplateDecl>(D)->getFriendDecl())
5722 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5723 return clang_getNullCursor();
5726 return clang_getNullCursor();
5729 unsigned clang_isCursorDefinition(CXCursor C) {
5730 if (!clang_isDeclaration(C.kind))
5733 return clang_getCursorDefinition(C) == C;
5736 CXCursor clang_getCanonicalCursor(CXCursor C) {
5737 if (!clang_isDeclaration(C.kind))
5740 if (const Decl *D = getCursorDecl(C)) {
5741 if (const ObjCCategoryImplDecl *CatImplD = dyn_cast<ObjCCategoryImplDecl>(D))
5742 if (ObjCCategoryDecl *CatD = CatImplD->getCategoryDecl())
5743 return MakeCXCursor(CatD, getCursorTU(C));
5745 if (const ObjCImplDecl *ImplD = dyn_cast<ObjCImplDecl>(D))
5746 if (const ObjCInterfaceDecl *IFD = ImplD->getClassInterface())
5747 return MakeCXCursor(IFD, getCursorTU(C));
5749 return MakeCXCursor(D->getCanonicalDecl(), getCursorTU(C));
5755 int clang_Cursor_getObjCSelectorIndex(CXCursor cursor) {
5756 return cxcursor::getSelectorIdentifierIndexAndLoc(cursor).first;
5759 unsigned clang_getNumOverloadedDecls(CXCursor C) {
5760 if (C.kind != CXCursor_OverloadedDeclRef)
5763 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
5764 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5765 return E->getNumDecls();
5767 if (OverloadedTemplateStorage *S
5768 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5771 const Decl *D = Storage.get<const Decl *>();
5772 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5773 return Using->shadow_size();
5778 CXCursor clang_getOverloadedDecl(CXCursor cursor, unsigned index) {
5779 if (cursor.kind != CXCursor_OverloadedDeclRef)
5780 return clang_getNullCursor();
5782 if (index >= clang_getNumOverloadedDecls(cursor))
5783 return clang_getNullCursor();
5785 CXTranslationUnit TU = getCursorTU(cursor);
5786 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(cursor).first;
5787 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5788 return MakeCXCursor(E->decls_begin()[index], TU);
5790 if (OverloadedTemplateStorage *S
5791 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5792 return MakeCXCursor(S->begin()[index], TU);
5794 const Decl *D = Storage.get<const Decl *>();
5795 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D)) {
5796 // FIXME: This is, unfortunately, linear time.
5797 UsingDecl::shadow_iterator Pos = Using->shadow_begin();
5798 std::advance(Pos, index);
5799 return MakeCXCursor(cast<UsingShadowDecl>(*Pos)->getTargetDecl(), TU);
5802 return clang_getNullCursor();
5805 void clang_getDefinitionSpellingAndExtent(CXCursor C,
5806 const char **startBuf,
5807 const char **endBuf,
5808 unsigned *startLine,
5809 unsigned *startColumn,
5811 unsigned *endColumn) {
5812 assert(getCursorDecl(C) && "CXCursor has null decl");
5813 const FunctionDecl *FD = dyn_cast<FunctionDecl>(getCursorDecl(C));
5814 CompoundStmt *Body = dyn_cast<CompoundStmt>(FD->getBody());
5816 SourceManager &SM = FD->getASTContext().getSourceManager();
5817 *startBuf = SM.getCharacterData(Body->getLBracLoc());
5818 *endBuf = SM.getCharacterData(Body->getRBracLoc());
5819 *startLine = SM.getSpellingLineNumber(Body->getLBracLoc());
5820 *startColumn = SM.getSpellingColumnNumber(Body->getLBracLoc());
5821 *endLine = SM.getSpellingLineNumber(Body->getRBracLoc());
5822 *endColumn = SM.getSpellingColumnNumber(Body->getRBracLoc());
5826 CXSourceRange clang_getCursorReferenceNameRange(CXCursor C, unsigned NameFlags,
5827 unsigned PieceIndex) {
5828 RefNamePieces Pieces;
5831 case CXCursor_MemberRefExpr:
5832 if (const MemberExpr *E = dyn_cast<MemberExpr>(getCursorExpr(C)))
5833 Pieces = buildPieces(NameFlags, true, E->getMemberNameInfo(),
5834 E->getQualifierLoc().getSourceRange());
5837 case CXCursor_DeclRefExpr:
5838 if (const DeclRefExpr *E = dyn_cast<DeclRefExpr>(getCursorExpr(C))) {
5839 SourceRange TemplateArgLoc(E->getLAngleLoc(), E->getRAngleLoc());
5841 buildPieces(NameFlags, false, E->getNameInfo(),
5842 E->getQualifierLoc().getSourceRange(), &TemplateArgLoc);
5846 case CXCursor_CallExpr:
5847 if (const CXXOperatorCallExpr *OCE =
5848 dyn_cast<CXXOperatorCallExpr>(getCursorExpr(C))) {
5849 const Expr *Callee = OCE->getCallee();
5850 if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Callee))
5851 Callee = ICE->getSubExpr();
5853 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Callee))
5854 Pieces = buildPieces(NameFlags, false, DRE->getNameInfo(),
5855 DRE->getQualifierLoc().getSourceRange());
5863 if (Pieces.empty()) {
5864 if (PieceIndex == 0)
5865 return clang_getCursorExtent(C);
5866 } else if (PieceIndex < Pieces.size()) {
5867 SourceRange R = Pieces[PieceIndex];
5869 return cxloc::translateSourceRange(getCursorContext(C), R);
5872 return clang_getNullRange();
5875 void clang_enableStackTraces(void) {
5876 llvm::sys::PrintStackTraceOnErrorSignal();
5879 void clang_executeOnThread(void (*fn)(void*), void *user_data,
5880 unsigned stack_size) {
5881 llvm::llvm_execute_on_thread(fn, user_data, stack_size);
5884 } // end: extern "C"
5886 //===----------------------------------------------------------------------===//
5887 // Token-based Operations.
5888 //===----------------------------------------------------------------------===//
5891 * int_data[0]: a CXTokenKind
5892 * int_data[1]: starting token location
5893 * int_data[2]: token length
5894 * int_data[3]: reserved
5895 * ptr_data: for identifiers and keywords, an IdentifierInfo*.
5900 CXTokenKind clang_getTokenKind(CXToken CXTok) {
5901 return static_cast<CXTokenKind>(CXTok.int_data[0]);
5904 CXString clang_getTokenSpelling(CXTranslationUnit TU, CXToken CXTok) {
5905 switch (clang_getTokenKind(CXTok)) {
5906 case CXToken_Identifier:
5907 case CXToken_Keyword:
5908 // We know we have an IdentifierInfo*, so use that.
5909 return cxstring::createRef(static_cast<IdentifierInfo *>(CXTok.ptr_data)
5912 case CXToken_Literal: {
5913 // We have stashed the starting pointer in the ptr_data field. Use it.
5914 const char *Text = static_cast<const char *>(CXTok.ptr_data);
5915 return cxstring::createDup(StringRef(Text, CXTok.int_data[2]));
5918 case CXToken_Punctuation:
5919 case CXToken_Comment:
5923 if (isNotUsableTU(TU)) {
5925 return cxstring::createEmpty();
5928 // We have to find the starting buffer pointer the hard way, by
5929 // deconstructing the source location.
5930 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5932 return cxstring::createEmpty();
5934 SourceLocation Loc = SourceLocation::getFromRawEncoding(CXTok.int_data[1]);
5935 std::pair<FileID, unsigned> LocInfo
5936 = CXXUnit->getSourceManager().getDecomposedSpellingLoc(Loc);
5937 bool Invalid = false;
5939 = CXXUnit->getSourceManager().getBufferData(LocInfo.first, &Invalid);
5941 return cxstring::createEmpty();
5943 return cxstring::createDup(Buffer.substr(LocInfo.second, CXTok.int_data[2]));
5946 CXSourceLocation clang_getTokenLocation(CXTranslationUnit TU, CXToken CXTok) {
5947 if (isNotUsableTU(TU)) {
5949 return clang_getNullLocation();
5952 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5954 return clang_getNullLocation();
5956 return cxloc::translateSourceLocation(CXXUnit->getASTContext(),
5957 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5960 CXSourceRange clang_getTokenExtent(CXTranslationUnit TU, CXToken CXTok) {
5961 if (isNotUsableTU(TU)) {
5963 return clang_getNullRange();
5966 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5968 return clang_getNullRange();
5970 return cxloc::translateSourceRange(CXXUnit->getASTContext(),
5971 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5974 static void getTokens(ASTUnit *CXXUnit, SourceRange Range,
5975 SmallVectorImpl<CXToken> &CXTokens) {
5976 SourceManager &SourceMgr = CXXUnit->getSourceManager();
5977 std::pair<FileID, unsigned> BeginLocInfo
5978 = SourceMgr.getDecomposedSpellingLoc(Range.getBegin());
5979 std::pair<FileID, unsigned> EndLocInfo
5980 = SourceMgr.getDecomposedSpellingLoc(Range.getEnd());
5982 // Cannot tokenize across files.
5983 if (BeginLocInfo.first != EndLocInfo.first)
5987 bool Invalid = false;
5989 = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
5993 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
5994 CXXUnit->getASTContext().getLangOpts(),
5995 Buffer.begin(), Buffer.data() + BeginLocInfo.second, Buffer.end());
5996 Lex.SetCommentRetentionState(true);
5998 // Lex tokens until we hit the end of the range.
5999 const char *EffectiveBufferEnd = Buffer.data() + EndLocInfo.second;
6001 bool previousWasAt = false;
6003 // Lex the next token
6004 Lex.LexFromRawLexer(Tok);
6005 if (Tok.is(tok::eof))
6008 // Initialize the CXToken.
6012 CXTok.int_data[1] = Tok.getLocation().getRawEncoding();
6013 CXTok.int_data[2] = Tok.getLength();
6014 CXTok.int_data[3] = 0;
6016 // - Kind-specific fields
6017 if (Tok.isLiteral()) {
6018 CXTok.int_data[0] = CXToken_Literal;
6019 CXTok.ptr_data = const_cast<char *>(Tok.getLiteralData());
6020 } else if (Tok.is(tok::raw_identifier)) {
6021 // Lookup the identifier to determine whether we have a keyword.
6023 = CXXUnit->getPreprocessor().LookUpIdentifierInfo(Tok);
6025 if ((II->getObjCKeywordID() != tok::objc_not_keyword) && previousWasAt) {
6026 CXTok.int_data[0] = CXToken_Keyword;
6029 CXTok.int_data[0] = Tok.is(tok::identifier)
6030 ? CXToken_Identifier
6033 CXTok.ptr_data = II;
6034 } else if (Tok.is(tok::comment)) {
6035 CXTok.int_data[0] = CXToken_Comment;
6036 CXTok.ptr_data = nullptr;
6038 CXTok.int_data[0] = CXToken_Punctuation;
6039 CXTok.ptr_data = nullptr;
6041 CXTokens.push_back(CXTok);
6042 previousWasAt = Tok.is(tok::at);
6043 } while (Lex.getBufferLocation() <= EffectiveBufferEnd);
6046 void clang_tokenize(CXTranslationUnit TU, CXSourceRange Range,
6047 CXToken **Tokens, unsigned *NumTokens) {
6049 *Log << TU << ' ' << Range;
6057 if (isNotUsableTU(TU)) {
6062 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6063 if (!CXXUnit || !Tokens || !NumTokens)
6066 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
6068 SourceRange R = cxloc::translateCXSourceRange(Range);
6072 SmallVector<CXToken, 32> CXTokens;
6073 getTokens(CXXUnit, R, CXTokens);
6075 if (CXTokens.empty())
6078 *Tokens = (CXToken *)malloc(sizeof(CXToken) * CXTokens.size());
6079 memmove(*Tokens, CXTokens.data(), sizeof(CXToken) * CXTokens.size());
6080 *NumTokens = CXTokens.size();
6083 void clang_disposeTokens(CXTranslationUnit TU,
6084 CXToken *Tokens, unsigned NumTokens) {
6088 } // end: extern "C"
6090 //===----------------------------------------------------------------------===//
6091 // Token annotation APIs.
6092 //===----------------------------------------------------------------------===//
6094 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
6096 CXClientData client_data);
6097 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
6098 CXClientData client_data);
6101 class AnnotateTokensWorker {
6106 unsigned PreprocessingTokIdx;
6107 CursorVisitor AnnotateVis;
6108 SourceManager &SrcMgr;
6109 bool HasContextSensitiveKeywords;
6111 struct PostChildrenInfo {
6113 SourceRange CursorRange;
6114 unsigned BeforeReachingCursorIdx;
6115 unsigned BeforeChildrenTokenIdx;
6117 SmallVector<PostChildrenInfo, 8> PostChildrenInfos;
6119 CXToken &getTok(unsigned Idx) {
6120 assert(Idx < NumTokens);
6123 const CXToken &getTok(unsigned Idx) const {
6124 assert(Idx < NumTokens);
6127 bool MoreTokens() const { return TokIdx < NumTokens; }
6128 unsigned NextToken() const { return TokIdx; }
6129 void AdvanceToken() { ++TokIdx; }
6130 SourceLocation GetTokenLoc(unsigned tokI) {
6131 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
6133 bool isFunctionMacroToken(unsigned tokI) const {
6134 return getTok(tokI).int_data[3] != 0;
6136 SourceLocation getFunctionMacroTokenLoc(unsigned tokI) const {
6137 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[3]);
6140 void annotateAndAdvanceTokens(CXCursor, RangeComparisonResult, SourceRange);
6141 bool annotateAndAdvanceFunctionMacroTokens(CXCursor, RangeComparisonResult,
6145 AnnotateTokensWorker(CXToken *tokens, CXCursor *cursors, unsigned numTokens,
6146 CXTranslationUnit TU, SourceRange RegionOfInterest)
6147 : Tokens(tokens), Cursors(cursors),
6148 NumTokens(numTokens), TokIdx(0), PreprocessingTokIdx(0),
6150 AnnotateTokensVisitor, this,
6151 /*VisitPreprocessorLast=*/true,
6152 /*VisitIncludedEntities=*/false,
6154 /*VisitDeclsOnly=*/false,
6155 AnnotateTokensPostChildrenVisitor),
6156 SrcMgr(cxtu::getASTUnit(TU)->getSourceManager()),
6157 HasContextSensitiveKeywords(false) { }
6159 void VisitChildren(CXCursor C) { AnnotateVis.VisitChildren(C); }
6160 enum CXChildVisitResult Visit(CXCursor cursor, CXCursor parent);
6161 bool postVisitChildren(CXCursor cursor);
6162 void AnnotateTokens();
6164 /// \brief Determine whether the annotator saw any cursors that have
6165 /// context-sensitive keywords.
6166 bool hasContextSensitiveKeywords() const {
6167 return HasContextSensitiveKeywords;
6170 ~AnnotateTokensWorker() {
6171 assert(PostChildrenInfos.empty());
6176 void AnnotateTokensWorker::AnnotateTokens() {
6177 // Walk the AST within the region of interest, annotating tokens
6179 AnnotateVis.visitFileRegion();
6182 static inline void updateCursorAnnotation(CXCursor &Cursor,
6183 const CXCursor &updateC) {
6184 if (clang_isInvalid(updateC.kind) || !clang_isInvalid(Cursor.kind))
6189 /// \brief It annotates and advances tokens with a cursor until the comparison
6190 //// between the cursor location and the source range is the same as
6191 /// \arg compResult.
6193 /// Pass RangeBefore to annotate tokens with a cursor until a range is reached.
6194 /// Pass RangeOverlap to annotate tokens inside a range.
6195 void AnnotateTokensWorker::annotateAndAdvanceTokens(CXCursor updateC,
6196 RangeComparisonResult compResult,
6197 SourceRange range) {
6198 while (MoreTokens()) {
6199 const unsigned I = NextToken();
6200 if (isFunctionMacroToken(I))
6201 if (!annotateAndAdvanceFunctionMacroTokens(updateC, compResult, range))
6204 SourceLocation TokLoc = GetTokenLoc(I);
6205 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
6206 updateCursorAnnotation(Cursors[I], updateC);
6214 /// \brief Special annotation handling for macro argument tokens.
6215 /// \returns true if it advanced beyond all macro tokens, false otherwise.
6216 bool AnnotateTokensWorker::annotateAndAdvanceFunctionMacroTokens(
6218 RangeComparisonResult compResult,
6219 SourceRange range) {
6220 assert(MoreTokens());
6221 assert(isFunctionMacroToken(NextToken()) &&
6222 "Should be called only for macro arg tokens");
6224 // This works differently than annotateAndAdvanceTokens; because expanded
6225 // macro arguments can have arbitrary translation-unit source order, we do not
6226 // advance the token index one by one until a token fails the range test.
6227 // We only advance once past all of the macro arg tokens if all of them
6228 // pass the range test. If one of them fails we keep the token index pointing
6229 // at the start of the macro arg tokens so that the failing token will be
6230 // annotated by a subsequent annotation try.
6232 bool atLeastOneCompFail = false;
6234 unsigned I = NextToken();
6235 for (; I < NumTokens && isFunctionMacroToken(I); ++I) {
6236 SourceLocation TokLoc = getFunctionMacroTokenLoc(I);
6237 if (TokLoc.isFileID())
6238 continue; // not macro arg token, it's parens or comma.
6239 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
6240 if (clang_isInvalid(clang_getCursorKind(Cursors[I])))
6241 Cursors[I] = updateC;
6243 atLeastOneCompFail = true;
6246 if (atLeastOneCompFail)
6249 TokIdx = I; // All of the tokens were handled, advance beyond all of them.
6253 enum CXChildVisitResult
6254 AnnotateTokensWorker::Visit(CXCursor cursor, CXCursor parent) {
6255 SourceRange cursorRange = getRawCursorExtent(cursor);
6256 if (cursorRange.isInvalid())
6257 return CXChildVisit_Recurse;
6259 if (!HasContextSensitiveKeywords) {
6260 // Objective-C properties can have context-sensitive keywords.
6261 if (cursor.kind == CXCursor_ObjCPropertyDecl) {
6262 if (const ObjCPropertyDecl *Property
6263 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(cursor)))
6264 HasContextSensitiveKeywords = Property->getPropertyAttributesAsWritten() != 0;
6266 // Objective-C methods can have context-sensitive keywords.
6267 else if (cursor.kind == CXCursor_ObjCInstanceMethodDecl ||
6268 cursor.kind == CXCursor_ObjCClassMethodDecl) {
6269 if (const ObjCMethodDecl *Method
6270 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
6271 if (Method->getObjCDeclQualifier())
6272 HasContextSensitiveKeywords = true;
6274 for (const auto *P : Method->params()) {
6275 if (P->getObjCDeclQualifier()) {
6276 HasContextSensitiveKeywords = true;
6283 // C++ methods can have context-sensitive keywords.
6284 else if (cursor.kind == CXCursor_CXXMethod) {
6285 if (const CXXMethodDecl *Method
6286 = dyn_cast_or_null<CXXMethodDecl>(getCursorDecl(cursor))) {
6287 if (Method->hasAttr<FinalAttr>() || Method->hasAttr<OverrideAttr>())
6288 HasContextSensitiveKeywords = true;
6291 // C++ classes can have context-sensitive keywords.
6292 else if (cursor.kind == CXCursor_StructDecl ||
6293 cursor.kind == CXCursor_ClassDecl ||
6294 cursor.kind == CXCursor_ClassTemplate ||
6295 cursor.kind == CXCursor_ClassTemplatePartialSpecialization) {
6296 if (const Decl *D = getCursorDecl(cursor))
6297 if (D->hasAttr<FinalAttr>())
6298 HasContextSensitiveKeywords = true;
6302 // Don't override a property annotation with its getter/setter method.
6303 if (cursor.kind == CXCursor_ObjCInstanceMethodDecl &&
6304 parent.kind == CXCursor_ObjCPropertyDecl)
6305 return CXChildVisit_Continue;
6307 if (clang_isPreprocessing(cursor.kind)) {
6308 // Items in the preprocessing record are kept separate from items in
6309 // declarations, so we keep a separate token index.
6310 unsigned SavedTokIdx = TokIdx;
6311 TokIdx = PreprocessingTokIdx;
6313 // Skip tokens up until we catch up to the beginning of the preprocessing
6315 while (MoreTokens()) {
6316 const unsigned I = NextToken();
6317 SourceLocation TokLoc = GetTokenLoc(I);
6318 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
6329 // Look at all of the tokens within this range.
6330 while (MoreTokens()) {
6331 const unsigned I = NextToken();
6332 SourceLocation TokLoc = GetTokenLoc(I);
6333 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
6335 llvm_unreachable("Infeasible");
6339 // For macro expansions, just note where the beginning of the macro
6340 // expansion occurs.
6341 if (cursor.kind == CXCursor_MacroExpansion) {
6342 if (TokLoc == cursorRange.getBegin())
6343 Cursors[I] = cursor;
6347 // We may have already annotated macro names inside macro definitions.
6348 if (Cursors[I].kind != CXCursor_MacroExpansion)
6349 Cursors[I] = cursor;
6356 // Save the preprocessing token index; restore the non-preprocessing
6358 PreprocessingTokIdx = TokIdx;
6359 TokIdx = SavedTokIdx;
6360 return CXChildVisit_Recurse;
6363 if (cursorRange.isInvalid())
6364 return CXChildVisit_Continue;
6366 unsigned BeforeReachingCursorIdx = NextToken();
6367 const enum CXCursorKind cursorK = clang_getCursorKind(cursor);
6368 const enum CXCursorKind K = clang_getCursorKind(parent);
6369 const CXCursor updateC =
6370 (clang_isInvalid(K) || K == CXCursor_TranslationUnit ||
6371 // Attributes are annotated out-of-order, skip tokens until we reach it.
6372 clang_isAttribute(cursor.kind))
6373 ? clang_getNullCursor() : parent;
6375 annotateAndAdvanceTokens(updateC, RangeBefore, cursorRange);
6377 // Avoid having the cursor of an expression "overwrite" the annotation of the
6378 // variable declaration that it belongs to.
6379 // This can happen for C++ constructor expressions whose range generally
6380 // include the variable declaration, e.g.:
6381 // MyCXXClass foo; // Make sure we don't annotate 'foo' as a CallExpr cursor.
6382 if (clang_isExpression(cursorK) && MoreTokens()) {
6383 const Expr *E = getCursorExpr(cursor);
6384 if (const Decl *D = getCursorParentDecl(cursor)) {
6385 const unsigned I = NextToken();
6386 if (E->getLocStart().isValid() && D->getLocation().isValid() &&
6387 E->getLocStart() == D->getLocation() &&
6388 E->getLocStart() == GetTokenLoc(I)) {
6389 updateCursorAnnotation(Cursors[I], updateC);
6395 // Before recursing into the children keep some state that we are going
6396 // to use in the AnnotateTokensWorker::postVisitChildren callback to do some
6397 // extra work after the child nodes are visited.
6398 // Note that we don't call VisitChildren here to avoid traversing statements
6399 // code-recursively which can blow the stack.
6401 PostChildrenInfo Info;
6402 Info.Cursor = cursor;
6403 Info.CursorRange = cursorRange;
6404 Info.BeforeReachingCursorIdx = BeforeReachingCursorIdx;
6405 Info.BeforeChildrenTokenIdx = NextToken();
6406 PostChildrenInfos.push_back(Info);
6408 return CXChildVisit_Recurse;
6411 bool AnnotateTokensWorker::postVisitChildren(CXCursor cursor) {
6412 if (PostChildrenInfos.empty())
6414 const PostChildrenInfo &Info = PostChildrenInfos.back();
6415 if (!clang_equalCursors(Info.Cursor, cursor))
6418 const unsigned BeforeChildren = Info.BeforeChildrenTokenIdx;
6419 const unsigned AfterChildren = NextToken();
6420 SourceRange cursorRange = Info.CursorRange;
6422 // Scan the tokens that are at the end of the cursor, but are not captured
6423 // but the child cursors.
6424 annotateAndAdvanceTokens(cursor, RangeOverlap, cursorRange);
6426 // Scan the tokens that are at the beginning of the cursor, but are not
6427 // capture by the child cursors.
6428 for (unsigned I = BeforeChildren; I != AfterChildren; ++I) {
6429 if (!clang_isInvalid(clang_getCursorKind(Cursors[I])))
6432 Cursors[I] = cursor;
6435 // Attributes are annotated out-of-order, rewind TokIdx to when we first
6436 // encountered the attribute cursor.
6437 if (clang_isAttribute(cursor.kind))
6438 TokIdx = Info.BeforeReachingCursorIdx;
6440 PostChildrenInfos.pop_back();
6444 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
6446 CXClientData client_data) {
6447 return static_cast<AnnotateTokensWorker*>(client_data)->Visit(cursor, parent);
6450 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
6451 CXClientData client_data) {
6452 return static_cast<AnnotateTokensWorker*>(client_data)->
6453 postVisitChildren(cursor);
6458 /// \brief Uses the macro expansions in the preprocessing record to find
6459 /// and mark tokens that are macro arguments. This info is used by the
6460 /// AnnotateTokensWorker.
6461 class MarkMacroArgTokensVisitor {
6468 MarkMacroArgTokensVisitor(SourceManager &SM,
6469 CXToken *tokens, unsigned numTokens)
6470 : SM(SM), Tokens(tokens), NumTokens(numTokens), CurIdx(0) { }
6472 CXChildVisitResult visit(CXCursor cursor, CXCursor parent) {
6473 if (cursor.kind != CXCursor_MacroExpansion)
6474 return CXChildVisit_Continue;
6476 SourceRange macroRange = getCursorMacroExpansion(cursor).getSourceRange();
6477 if (macroRange.getBegin() == macroRange.getEnd())
6478 return CXChildVisit_Continue; // it's not a function macro.
6480 for (; CurIdx < NumTokens; ++CurIdx) {
6481 if (!SM.isBeforeInTranslationUnit(getTokenLoc(CurIdx),
6482 macroRange.getBegin()))
6486 if (CurIdx == NumTokens)
6487 return CXChildVisit_Break;
6489 for (; CurIdx < NumTokens; ++CurIdx) {
6490 SourceLocation tokLoc = getTokenLoc(CurIdx);
6491 if (!SM.isBeforeInTranslationUnit(tokLoc, macroRange.getEnd()))
6494 setFunctionMacroTokenLoc(CurIdx, SM.getMacroArgExpandedLocation(tokLoc));
6497 if (CurIdx == NumTokens)
6498 return CXChildVisit_Break;
6500 return CXChildVisit_Continue;
6504 CXToken &getTok(unsigned Idx) {
6505 assert(Idx < NumTokens);
6508 const CXToken &getTok(unsigned Idx) const {
6509 assert(Idx < NumTokens);
6513 SourceLocation getTokenLoc(unsigned tokI) {
6514 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
6517 void setFunctionMacroTokenLoc(unsigned tokI, SourceLocation loc) {
6518 // The third field is reserved and currently not used. Use it here
6519 // to mark macro arg expanded tokens with their expanded locations.
6520 getTok(tokI).int_data[3] = loc.getRawEncoding();
6524 } // end anonymous namespace
6526 static CXChildVisitResult
6527 MarkMacroArgTokensVisitorDelegate(CXCursor cursor, CXCursor parent,
6528 CXClientData client_data) {
6529 return static_cast<MarkMacroArgTokensVisitor*>(client_data)->visit(cursor,
6533 /// \brief Used by \c annotatePreprocessorTokens.
6534 /// \returns true if lexing was finished, false otherwise.
6535 static bool lexNext(Lexer &Lex, Token &Tok,
6536 unsigned &NextIdx, unsigned NumTokens) {
6537 if (NextIdx >= NumTokens)
6541 Lex.LexFromRawLexer(Tok);
6542 return Tok.is(tok::eof);
6545 static void annotatePreprocessorTokens(CXTranslationUnit TU,
6546 SourceRange RegionOfInterest,
6549 unsigned NumTokens) {
6550 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6552 Preprocessor &PP = CXXUnit->getPreprocessor();
6553 SourceManager &SourceMgr = CXXUnit->getSourceManager();
6554 std::pair<FileID, unsigned> BeginLocInfo
6555 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getBegin());
6556 std::pair<FileID, unsigned> EndLocInfo
6557 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getEnd());
6559 if (BeginLocInfo.first != EndLocInfo.first)
6563 bool Invalid = false;
6564 Buffer = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
6565 if (Buffer.empty() || Invalid)
6568 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
6569 CXXUnit->getASTContext().getLangOpts(),
6570 Buffer.begin(), Buffer.data() + BeginLocInfo.second,
6572 Lex.SetCommentRetentionState(true);
6574 unsigned NextIdx = 0;
6575 // Lex tokens in raw mode until we hit the end of the range, to avoid
6576 // entering #includes or expanding macros.
6579 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6581 unsigned TokIdx = NextIdx-1;
6582 assert(Tok.getLocation() ==
6583 SourceLocation::getFromRawEncoding(Tokens[TokIdx].int_data[1]));
6586 if (Tok.is(tok::hash) && Tok.isAtStartOfLine()) {
6587 // We have found a preprocessing directive. Annotate the tokens
6590 // FIXME: Some simple tests here could identify macro definitions and
6591 // #undefs, to provide specific cursor kinds for those.
6593 SourceLocation BeginLoc = Tok.getLocation();
6594 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6597 MacroInfo *MI = nullptr;
6598 if (Tok.is(tok::raw_identifier) && Tok.getRawIdentifier() == "define") {
6599 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6602 if (Tok.is(tok::raw_identifier)) {
6603 IdentifierInfo &II =
6604 PP.getIdentifierTable().get(Tok.getRawIdentifier());
6605 SourceLocation MappedTokLoc =
6606 CXXUnit->mapLocationToPreamble(Tok.getLocation());
6607 MI = getMacroInfo(II, MappedTokLoc, TU);
6611 bool finished = false;
6613 if (lexNext(Lex, Tok, NextIdx, NumTokens)) {
6617 // If we are in a macro definition, check if the token was ever a
6618 // macro name and annotate it if that's the case.
6620 SourceLocation SaveLoc = Tok.getLocation();
6621 Tok.setLocation(CXXUnit->mapLocationToPreamble(SaveLoc));
6622 MacroDefinitionRecord *MacroDef =
6623 checkForMacroInMacroDefinition(MI, Tok, TU);
6624 Tok.setLocation(SaveLoc);
6626 Cursors[NextIdx - 1] =
6627 MakeMacroExpansionCursor(MacroDef, Tok.getLocation(), TU);
6629 } while (!Tok.isAtStartOfLine());
6631 unsigned LastIdx = finished ? NextIdx-1 : NextIdx-2;
6632 assert(TokIdx <= LastIdx);
6633 SourceLocation EndLoc =
6634 SourceLocation::getFromRawEncoding(Tokens[LastIdx].int_data[1]);
6636 MakePreprocessingDirectiveCursor(SourceRange(BeginLoc, EndLoc), TU);
6638 for (; TokIdx <= LastIdx; ++TokIdx)
6639 updateCursorAnnotation(Cursors[TokIdx], Cursor);
6648 // This gets run a separate thread to avoid stack blowout.
6649 static void clang_annotateTokensImpl(CXTranslationUnit TU, ASTUnit *CXXUnit,
6650 CXToken *Tokens, unsigned NumTokens,
6651 CXCursor *Cursors) {
6652 CIndexer *CXXIdx = TU->CIdx;
6653 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
6654 setThreadBackgroundPriority();
6656 // Determine the region of interest, which contains all of the tokens.
6657 SourceRange RegionOfInterest;
6658 RegionOfInterest.setBegin(
6659 cxloc::translateSourceLocation(clang_getTokenLocation(TU, Tokens[0])));
6660 RegionOfInterest.setEnd(
6661 cxloc::translateSourceLocation(clang_getTokenLocation(TU,
6662 Tokens[NumTokens-1])));
6664 // Relex the tokens within the source range to look for preprocessing
6666 annotatePreprocessorTokens(TU, RegionOfInterest, Cursors, Tokens, NumTokens);
6668 // If begin location points inside a macro argument, set it to the expansion
6669 // location so we can have the full context when annotating semantically.
6671 SourceManager &SM = CXXUnit->getSourceManager();
6672 SourceLocation Loc =
6673 SM.getMacroArgExpandedLocation(RegionOfInterest.getBegin());
6674 if (Loc.isMacroID())
6675 RegionOfInterest.setBegin(SM.getExpansionLoc(Loc));
6678 if (CXXUnit->getPreprocessor().getPreprocessingRecord()) {
6679 // Search and mark tokens that are macro argument expansions.
6680 MarkMacroArgTokensVisitor Visitor(CXXUnit->getSourceManager(),
6682 CursorVisitor MacroArgMarker(TU,
6683 MarkMacroArgTokensVisitorDelegate, &Visitor,
6684 /*VisitPreprocessorLast=*/true,
6685 /*VisitIncludedEntities=*/false,
6687 MacroArgMarker.visitPreprocessedEntitiesInRegion();
6690 // Annotate all of the source locations in the region of interest that map to
6691 // a specific cursor.
6692 AnnotateTokensWorker W(Tokens, Cursors, NumTokens, TU, RegionOfInterest);
6694 // FIXME: We use a ridiculous stack size here because the data-recursion
6695 // algorithm uses a large stack frame than the non-data recursive version,
6696 // and AnnotationTokensWorker currently transforms the data-recursion
6697 // algorithm back into a traditional recursion by explicitly calling
6698 // VisitChildren(). We will need to remove this explicit recursive call.
6701 // If we ran into any entities that involve context-sensitive keywords,
6702 // take another pass through the tokens to mark them as such.
6703 if (W.hasContextSensitiveKeywords()) {
6704 for (unsigned I = 0; I != NumTokens; ++I) {
6705 if (clang_getTokenKind(Tokens[I]) != CXToken_Identifier)
6708 if (Cursors[I].kind == CXCursor_ObjCPropertyDecl) {
6709 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6710 if (const ObjCPropertyDecl *Property
6711 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(Cursors[I]))) {
6712 if (Property->getPropertyAttributesAsWritten() != 0 &&
6713 llvm::StringSwitch<bool>(II->getName())
6714 .Case("readonly", true)
6715 .Case("assign", true)
6716 .Case("unsafe_unretained", true)
6717 .Case("readwrite", true)
6718 .Case("retain", true)
6720 .Case("nonatomic", true)
6721 .Case("atomic", true)
6722 .Case("getter", true)
6723 .Case("setter", true)
6724 .Case("strong", true)
6727 Tokens[I].int_data[0] = CXToken_Keyword;
6732 if (Cursors[I].kind == CXCursor_ObjCInstanceMethodDecl ||
6733 Cursors[I].kind == CXCursor_ObjCClassMethodDecl) {
6734 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6735 if (llvm::StringSwitch<bool>(II->getName())
6738 .Case("inout", true)
6739 .Case("oneway", true)
6740 .Case("bycopy", true)
6741 .Case("byref", true)
6743 Tokens[I].int_data[0] = CXToken_Keyword;
6747 if (Cursors[I].kind == CXCursor_CXXFinalAttr ||
6748 Cursors[I].kind == CXCursor_CXXOverrideAttr) {
6749 Tokens[I].int_data[0] = CXToken_Keyword;
6758 void clang_annotateTokens(CXTranslationUnit TU,
6759 CXToken *Tokens, unsigned NumTokens,
6760 CXCursor *Cursors) {
6761 if (isNotUsableTU(TU)) {
6765 if (NumTokens == 0 || !Tokens || !Cursors) {
6766 LOG_FUNC_SECTION { *Log << "<null input>"; }
6772 CXSourceLocation bloc = clang_getTokenLocation(TU, Tokens[0]);
6773 CXSourceLocation eloc = clang_getTokenLocation(TU, Tokens[NumTokens-1]);
6774 *Log << clang_getRange(bloc, eloc);
6777 // Any token we don't specifically annotate will have a NULL cursor.
6778 CXCursor C = clang_getNullCursor();
6779 for (unsigned I = 0; I != NumTokens; ++I)
6782 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6786 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
6788 auto AnnotateTokensImpl = [=]() {
6789 clang_annotateTokensImpl(TU, CXXUnit, Tokens, NumTokens, Cursors);
6791 llvm::CrashRecoveryContext CRC;
6792 if (!RunSafely(CRC, AnnotateTokensImpl, GetSafetyThreadStackSize() * 2)) {
6793 fprintf(stderr, "libclang: crash detected while annotating tokens\n");
6797 } // end: extern "C"
6799 //===----------------------------------------------------------------------===//
6800 // Operations for querying linkage of a cursor.
6801 //===----------------------------------------------------------------------===//
6804 CXLinkageKind clang_getCursorLinkage(CXCursor cursor) {
6805 if (!clang_isDeclaration(cursor.kind))
6806 return CXLinkage_Invalid;
6808 const Decl *D = cxcursor::getCursorDecl(cursor);
6809 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6810 switch (ND->getLinkageInternal()) {
6812 case VisibleNoLinkage: return CXLinkage_NoLinkage;
6813 case InternalLinkage: return CXLinkage_Internal;
6814 case UniqueExternalLinkage: return CXLinkage_UniqueExternal;
6815 case ExternalLinkage: return CXLinkage_External;
6818 return CXLinkage_Invalid;
6820 } // end: extern "C"
6822 //===----------------------------------------------------------------------===//
6823 // Operations for querying visibility of a cursor.
6824 //===----------------------------------------------------------------------===//
6827 CXVisibilityKind clang_getCursorVisibility(CXCursor cursor) {
6828 if (!clang_isDeclaration(cursor.kind))
6829 return CXVisibility_Invalid;
6831 const Decl *D = cxcursor::getCursorDecl(cursor);
6832 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6833 switch (ND->getVisibility()) {
6834 case HiddenVisibility: return CXVisibility_Hidden;
6835 case ProtectedVisibility: return CXVisibility_Protected;
6836 case DefaultVisibility: return CXVisibility_Default;
6839 return CXVisibility_Invalid;
6841 } // end: extern "C"
6843 //===----------------------------------------------------------------------===//
6844 // Operations for querying language of a cursor.
6845 //===----------------------------------------------------------------------===//
6847 static CXLanguageKind getDeclLanguage(const Decl *D) {
6849 return CXLanguage_C;
6851 switch (D->getKind()) {
6854 case Decl::ImplicitParam:
6855 case Decl::ObjCAtDefsField:
6856 case Decl::ObjCCategory:
6857 case Decl::ObjCCategoryImpl:
6858 case Decl::ObjCCompatibleAlias:
6859 case Decl::ObjCImplementation:
6860 case Decl::ObjCInterface:
6861 case Decl::ObjCIvar:
6862 case Decl::ObjCMethod:
6863 case Decl::ObjCProperty:
6864 case Decl::ObjCPropertyImpl:
6865 case Decl::ObjCProtocol:
6866 case Decl::ObjCTypeParam:
6867 return CXLanguage_ObjC;
6868 case Decl::CXXConstructor:
6869 case Decl::CXXConversion:
6870 case Decl::CXXDestructor:
6871 case Decl::CXXMethod:
6872 case Decl::CXXRecord:
6873 case Decl::ClassTemplate:
6874 case Decl::ClassTemplatePartialSpecialization:
6875 case Decl::ClassTemplateSpecialization:
6877 case Decl::FriendTemplate:
6878 case Decl::FunctionTemplate:
6879 case Decl::LinkageSpec:
6880 case Decl::Namespace:
6881 case Decl::NamespaceAlias:
6882 case Decl::NonTypeTemplateParm:
6883 case Decl::StaticAssert:
6884 case Decl::TemplateTemplateParm:
6885 case Decl::TemplateTypeParm:
6886 case Decl::UnresolvedUsingTypename:
6887 case Decl::UnresolvedUsingValue:
6889 case Decl::UsingDirective:
6890 case Decl::UsingShadow:
6891 return CXLanguage_CPlusPlus;
6894 return CXLanguage_C;
6899 static CXAvailabilityKind getCursorAvailabilityForDecl(const Decl *D) {
6900 if (isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->isDeleted())
6901 return CXAvailability_NotAvailable;
6903 switch (D->getAvailability()) {
6905 case AR_NotYetIntroduced:
6906 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6907 return getCursorAvailabilityForDecl(
6908 cast<Decl>(EnumConst->getDeclContext()));
6909 return CXAvailability_Available;
6912 return CXAvailability_Deprecated;
6914 case AR_Unavailable:
6915 return CXAvailability_NotAvailable;
6918 llvm_unreachable("Unknown availability kind!");
6921 enum CXAvailabilityKind clang_getCursorAvailability(CXCursor cursor) {
6922 if (clang_isDeclaration(cursor.kind))
6923 if (const Decl *D = cxcursor::getCursorDecl(cursor))
6924 return getCursorAvailabilityForDecl(D);
6926 return CXAvailability_Available;
6929 static CXVersion convertVersion(VersionTuple In) {
6930 CXVersion Out = { -1, -1, -1 };
6934 Out.Major = In.getMajor();
6936 Optional<unsigned> Minor = In.getMinor();
6937 if (Minor.hasValue())
6942 Optional<unsigned> Subminor = In.getSubminor();
6943 if (Subminor.hasValue())
6944 Out.Subminor = *Subminor;
6949 static int getCursorPlatformAvailabilityForDecl(const Decl *D,
6950 int *always_deprecated,
6951 CXString *deprecated_message,
6952 int *always_unavailable,
6953 CXString *unavailable_message,
6954 CXPlatformAvailability *availability,
6955 int availability_size) {
6956 bool HadAvailAttr = false;
6958 for (auto A : D->attrs()) {
6959 if (DeprecatedAttr *Deprecated = dyn_cast<DeprecatedAttr>(A)) {
6960 HadAvailAttr = true;
6961 if (always_deprecated)
6962 *always_deprecated = 1;
6963 if (deprecated_message) {
6964 clang_disposeString(*deprecated_message);
6965 *deprecated_message = cxstring::createDup(Deprecated->getMessage());
6970 if (UnavailableAttr *Unavailable = dyn_cast<UnavailableAttr>(A)) {
6971 HadAvailAttr = true;
6972 if (always_unavailable)
6973 *always_unavailable = 1;
6974 if (unavailable_message) {
6975 clang_disposeString(*unavailable_message);
6976 *unavailable_message = cxstring::createDup(Unavailable->getMessage());
6981 if (AvailabilityAttr *Avail = dyn_cast<AvailabilityAttr>(A)) {
6982 HadAvailAttr = true;
6983 if (N < availability_size) {
6984 availability[N].Platform
6985 = cxstring::createDup(Avail->getPlatform()->getName());
6986 availability[N].Introduced = convertVersion(Avail->getIntroduced());
6987 availability[N].Deprecated = convertVersion(Avail->getDeprecated());
6988 availability[N].Obsoleted = convertVersion(Avail->getObsoleted());
6989 availability[N].Unavailable = Avail->getUnavailable();
6990 availability[N].Message = cxstring::createDup(Avail->getMessage());
6997 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6998 return getCursorPlatformAvailabilityForDecl(
6999 cast<Decl>(EnumConst->getDeclContext()),
7003 unavailable_message,
7010 int clang_getCursorPlatformAvailability(CXCursor cursor,
7011 int *always_deprecated,
7012 CXString *deprecated_message,
7013 int *always_unavailable,
7014 CXString *unavailable_message,
7015 CXPlatformAvailability *availability,
7016 int availability_size) {
7017 if (always_deprecated)
7018 *always_deprecated = 0;
7019 if (deprecated_message)
7020 *deprecated_message = cxstring::createEmpty();
7021 if (always_unavailable)
7022 *always_unavailable = 0;
7023 if (unavailable_message)
7024 *unavailable_message = cxstring::createEmpty();
7026 if (!clang_isDeclaration(cursor.kind))
7029 const Decl *D = cxcursor::getCursorDecl(cursor);
7033 return getCursorPlatformAvailabilityForDecl(D, always_deprecated,
7036 unavailable_message,
7041 void clang_disposeCXPlatformAvailability(CXPlatformAvailability *availability) {
7042 clang_disposeString(availability->Platform);
7043 clang_disposeString(availability->Message);
7046 CXLanguageKind clang_getCursorLanguage(CXCursor cursor) {
7047 if (clang_isDeclaration(cursor.kind))
7048 return getDeclLanguage(cxcursor::getCursorDecl(cursor));
7050 return CXLanguage_Invalid;
7053 /// \brief If the given cursor is the "templated" declaration
7054 /// descibing a class or function template, return the class or
7055 /// function template.
7056 static const Decl *maybeGetTemplateCursor(const Decl *D) {
7060 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
7061 if (FunctionTemplateDecl *FunTmpl = FD->getDescribedFunctionTemplate())
7064 if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D))
7065 if (ClassTemplateDecl *ClassTmpl = RD->getDescribedClassTemplate())
7072 enum CX_StorageClass clang_Cursor_getStorageClass(CXCursor C) {
7073 StorageClass sc = SC_None;
7074 const Decl *D = getCursorDecl(C);
7076 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
7077 sc = FD->getStorageClass();
7078 } else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
7079 sc = VD->getStorageClass();
7081 return CX_SC_Invalid;
7084 return CX_SC_Invalid;
7090 return CX_SC_Extern;
7092 return CX_SC_Static;
7093 case SC_PrivateExtern:
7094 return CX_SC_PrivateExtern;
7098 return CX_SC_Register;
7100 llvm_unreachable("Unhandled storage class!");
7103 CXCursor clang_getCursorSemanticParent(CXCursor cursor) {
7104 if (clang_isDeclaration(cursor.kind)) {
7105 if (const Decl *D = getCursorDecl(cursor)) {
7106 const DeclContext *DC = D->getDeclContext();
7108 return clang_getNullCursor();
7110 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
7111 getCursorTU(cursor));
7115 if (clang_isStatement(cursor.kind) || clang_isExpression(cursor.kind)) {
7116 if (const Decl *D = getCursorDecl(cursor))
7117 return MakeCXCursor(D, getCursorTU(cursor));
7120 return clang_getNullCursor();
7123 CXCursor clang_getCursorLexicalParent(CXCursor cursor) {
7124 if (clang_isDeclaration(cursor.kind)) {
7125 if (const Decl *D = getCursorDecl(cursor)) {
7126 const DeclContext *DC = D->getLexicalDeclContext();
7128 return clang_getNullCursor();
7130 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
7131 getCursorTU(cursor));
7135 // FIXME: Note that we can't easily compute the lexical context of a
7136 // statement or expression, so we return nothing.
7137 return clang_getNullCursor();
7140 CXFile clang_getIncludedFile(CXCursor cursor) {
7141 if (cursor.kind != CXCursor_InclusionDirective)
7144 const InclusionDirective *ID = getCursorInclusionDirective(cursor);
7145 return const_cast<FileEntry *>(ID->getFile());
7148 unsigned clang_Cursor_getObjCPropertyAttributes(CXCursor C, unsigned reserved) {
7149 if (C.kind != CXCursor_ObjCPropertyDecl)
7150 return CXObjCPropertyAttr_noattr;
7152 unsigned Result = CXObjCPropertyAttr_noattr;
7153 const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(getCursorDecl(C));
7154 ObjCPropertyDecl::PropertyAttributeKind Attr =
7155 PD->getPropertyAttributesAsWritten();
7157 #define SET_CXOBJCPROP_ATTR(A) \
7158 if (Attr & ObjCPropertyDecl::OBJC_PR_##A) \
7159 Result |= CXObjCPropertyAttr_##A
7160 SET_CXOBJCPROP_ATTR(readonly);
7161 SET_CXOBJCPROP_ATTR(getter);
7162 SET_CXOBJCPROP_ATTR(assign);
7163 SET_CXOBJCPROP_ATTR(readwrite);
7164 SET_CXOBJCPROP_ATTR(retain);
7165 SET_CXOBJCPROP_ATTR(copy);
7166 SET_CXOBJCPROP_ATTR(nonatomic);
7167 SET_CXOBJCPROP_ATTR(setter);
7168 SET_CXOBJCPROP_ATTR(atomic);
7169 SET_CXOBJCPROP_ATTR(weak);
7170 SET_CXOBJCPROP_ATTR(strong);
7171 SET_CXOBJCPROP_ATTR(unsafe_unretained);
7172 #undef SET_CXOBJCPROP_ATTR
7177 unsigned clang_Cursor_getObjCDeclQualifiers(CXCursor C) {
7178 if (!clang_isDeclaration(C.kind))
7179 return CXObjCDeclQualifier_None;
7181 Decl::ObjCDeclQualifier QT = Decl::OBJC_TQ_None;
7182 const Decl *D = getCursorDecl(C);
7183 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
7184 QT = MD->getObjCDeclQualifier();
7185 else if (const ParmVarDecl *PD = dyn_cast<ParmVarDecl>(D))
7186 QT = PD->getObjCDeclQualifier();
7187 if (QT == Decl::OBJC_TQ_None)
7188 return CXObjCDeclQualifier_None;
7190 unsigned Result = CXObjCDeclQualifier_None;
7191 if (QT & Decl::OBJC_TQ_In) Result |= CXObjCDeclQualifier_In;
7192 if (QT & Decl::OBJC_TQ_Inout) Result |= CXObjCDeclQualifier_Inout;
7193 if (QT & Decl::OBJC_TQ_Out) Result |= CXObjCDeclQualifier_Out;
7194 if (QT & Decl::OBJC_TQ_Bycopy) Result |= CXObjCDeclQualifier_Bycopy;
7195 if (QT & Decl::OBJC_TQ_Byref) Result |= CXObjCDeclQualifier_Byref;
7196 if (QT & Decl::OBJC_TQ_Oneway) Result |= CXObjCDeclQualifier_Oneway;
7201 unsigned clang_Cursor_isObjCOptional(CXCursor C) {
7202 if (!clang_isDeclaration(C.kind))
7205 const Decl *D = getCursorDecl(C);
7206 if (const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(D))
7207 return PD->getPropertyImplementation() == ObjCPropertyDecl::Optional;
7208 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
7209 return MD->getImplementationControl() == ObjCMethodDecl::Optional;
7214 unsigned clang_Cursor_isVariadic(CXCursor C) {
7215 if (!clang_isDeclaration(C.kind))
7218 const Decl *D = getCursorDecl(C);
7219 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
7220 return FD->isVariadic();
7221 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
7222 return MD->isVariadic();
7227 CXSourceRange clang_Cursor_getCommentRange(CXCursor C) {
7228 if (!clang_isDeclaration(C.kind))
7229 return clang_getNullRange();
7231 const Decl *D = getCursorDecl(C);
7232 ASTContext &Context = getCursorContext(C);
7233 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
7235 return clang_getNullRange();
7237 return cxloc::translateSourceRange(Context, RC->getSourceRange());
7240 CXString clang_Cursor_getRawCommentText(CXCursor C) {
7241 if (!clang_isDeclaration(C.kind))
7242 return cxstring::createNull();
7244 const Decl *D = getCursorDecl(C);
7245 ASTContext &Context = getCursorContext(C);
7246 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
7247 StringRef RawText = RC ? RC->getRawText(Context.getSourceManager()) :
7250 // Don't duplicate the string because RawText points directly into source
7252 return cxstring::createRef(RawText);
7255 CXString clang_Cursor_getBriefCommentText(CXCursor C) {
7256 if (!clang_isDeclaration(C.kind))
7257 return cxstring::createNull();
7259 const Decl *D = getCursorDecl(C);
7260 const ASTContext &Context = getCursorContext(C);
7261 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
7264 StringRef BriefText = RC->getBriefText(Context);
7266 // Don't duplicate the string because RawComment ensures that this memory
7267 // will not go away.
7268 return cxstring::createRef(BriefText);
7271 return cxstring::createNull();
7274 CXModule clang_Cursor_getModule(CXCursor C) {
7275 if (C.kind == CXCursor_ModuleImportDecl) {
7276 if (const ImportDecl *ImportD =
7277 dyn_cast_or_null<ImportDecl>(getCursorDecl(C)))
7278 return ImportD->getImportedModule();
7284 CXModule clang_getModuleForFile(CXTranslationUnit TU, CXFile File) {
7285 if (isNotUsableTU(TU)) {
7291 FileEntry *FE = static_cast<FileEntry *>(File);
7293 ASTUnit &Unit = *cxtu::getASTUnit(TU);
7294 HeaderSearch &HS = Unit.getPreprocessor().getHeaderSearchInfo();
7295 ModuleMap::KnownHeader Header = HS.findModuleForHeader(FE);
7297 return Header.getModule();
7300 CXFile clang_Module_getASTFile(CXModule CXMod) {
7303 Module *Mod = static_cast<Module*>(CXMod);
7304 return const_cast<FileEntry *>(Mod->getASTFile());
7307 CXModule clang_Module_getParent(CXModule CXMod) {
7310 Module *Mod = static_cast<Module*>(CXMod);
7314 CXString clang_Module_getName(CXModule CXMod) {
7316 return cxstring::createEmpty();
7317 Module *Mod = static_cast<Module*>(CXMod);
7318 return cxstring::createDup(Mod->Name);
7321 CXString clang_Module_getFullName(CXModule CXMod) {
7323 return cxstring::createEmpty();
7324 Module *Mod = static_cast<Module*>(CXMod);
7325 return cxstring::createDup(Mod->getFullModuleName());
7328 int clang_Module_isSystem(CXModule CXMod) {
7331 Module *Mod = static_cast<Module*>(CXMod);
7332 return Mod->IsSystem;
7335 unsigned clang_Module_getNumTopLevelHeaders(CXTranslationUnit TU,
7337 if (isNotUsableTU(TU)) {
7343 Module *Mod = static_cast<Module*>(CXMod);
7344 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7345 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7346 return TopHeaders.size();
7349 CXFile clang_Module_getTopLevelHeader(CXTranslationUnit TU,
7350 CXModule CXMod, unsigned Index) {
7351 if (isNotUsableTU(TU)) {
7357 Module *Mod = static_cast<Module*>(CXMod);
7358 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
7360 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
7361 if (Index < TopHeaders.size())
7362 return const_cast<FileEntry *>(TopHeaders[Index]);
7367 } // end: extern "C"
7369 //===----------------------------------------------------------------------===//
7370 // C++ AST instrospection.
7371 //===----------------------------------------------------------------------===//
7374 unsigned clang_CXXField_isMutable(CXCursor C) {
7375 if (!clang_isDeclaration(C.kind))
7378 if (const auto D = cxcursor::getCursorDecl(C))
7379 if (const auto FD = dyn_cast_or_null<FieldDecl>(D))
7380 return FD->isMutable() ? 1 : 0;
7384 unsigned clang_CXXMethod_isPureVirtual(CXCursor C) {
7385 if (!clang_isDeclaration(C.kind))
7388 const Decl *D = cxcursor::getCursorDecl(C);
7389 const CXXMethodDecl *Method =
7390 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7391 return (Method && Method->isVirtual() && Method->isPure()) ? 1 : 0;
7394 unsigned clang_CXXMethod_isConst(CXCursor C) {
7395 if (!clang_isDeclaration(C.kind))
7398 const Decl *D = cxcursor::getCursorDecl(C);
7399 const CXXMethodDecl *Method =
7400 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7401 return (Method && (Method->getTypeQualifiers() & Qualifiers::Const)) ? 1 : 0;
7404 unsigned clang_CXXMethod_isStatic(CXCursor C) {
7405 if (!clang_isDeclaration(C.kind))
7408 const Decl *D = cxcursor::getCursorDecl(C);
7409 const CXXMethodDecl *Method =
7410 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7411 return (Method && Method->isStatic()) ? 1 : 0;
7414 unsigned clang_CXXMethod_isVirtual(CXCursor C) {
7415 if (!clang_isDeclaration(C.kind))
7418 const Decl *D = cxcursor::getCursorDecl(C);
7419 const CXXMethodDecl *Method =
7420 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
7421 return (Method && Method->isVirtual()) ? 1 : 0;
7423 } // end: extern "C"
7425 //===----------------------------------------------------------------------===//
7426 // Attribute introspection.
7427 //===----------------------------------------------------------------------===//
7430 CXType clang_getIBOutletCollectionType(CXCursor C) {
7431 if (C.kind != CXCursor_IBOutletCollectionAttr)
7432 return cxtype::MakeCXType(QualType(), cxcursor::getCursorTU(C));
7434 const IBOutletCollectionAttr *A =
7435 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
7437 return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorTU(C));
7439 } // end: extern "C"
7441 //===----------------------------------------------------------------------===//
7442 // Inspecting memory usage.
7443 //===----------------------------------------------------------------------===//
7445 typedef std::vector<CXTUResourceUsageEntry> MemUsageEntries;
7447 static inline void createCXTUResourceUsageEntry(MemUsageEntries &entries,
7448 enum CXTUResourceUsageKind k,
7449 unsigned long amount) {
7450 CXTUResourceUsageEntry entry = { k, amount };
7451 entries.push_back(entry);
7456 const char *clang_getTUResourceUsageName(CXTUResourceUsageKind kind) {
7457 const char *str = "";
7459 case CXTUResourceUsage_AST:
7460 str = "ASTContext: expressions, declarations, and types";
7462 case CXTUResourceUsage_Identifiers:
7463 str = "ASTContext: identifiers";
7465 case CXTUResourceUsage_Selectors:
7466 str = "ASTContext: selectors";
7468 case CXTUResourceUsage_GlobalCompletionResults:
7469 str = "Code completion: cached global results";
7471 case CXTUResourceUsage_SourceManagerContentCache:
7472 str = "SourceManager: content cache allocator";
7474 case CXTUResourceUsage_AST_SideTables:
7475 str = "ASTContext: side tables";
7477 case CXTUResourceUsage_SourceManager_Membuffer_Malloc:
7478 str = "SourceManager: malloc'ed memory buffers";
7480 case CXTUResourceUsage_SourceManager_Membuffer_MMap:
7481 str = "SourceManager: mmap'ed memory buffers";
7483 case CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc:
7484 str = "ExternalASTSource: malloc'ed memory buffers";
7486 case CXTUResourceUsage_ExternalASTSource_Membuffer_MMap:
7487 str = "ExternalASTSource: mmap'ed memory buffers";
7489 case CXTUResourceUsage_Preprocessor:
7490 str = "Preprocessor: malloc'ed memory";
7492 case CXTUResourceUsage_PreprocessingRecord:
7493 str = "Preprocessor: PreprocessingRecord";
7495 case CXTUResourceUsage_SourceManager_DataStructures:
7496 str = "SourceManager: data structures and tables";
7498 case CXTUResourceUsage_Preprocessor_HeaderSearch:
7499 str = "Preprocessor: header search tables";
7505 CXTUResourceUsage clang_getCXTUResourceUsage(CXTranslationUnit TU) {
7506 if (isNotUsableTU(TU)) {
7508 CXTUResourceUsage usage = { (void*) nullptr, 0, nullptr };
7512 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7513 std::unique_ptr<MemUsageEntries> entries(new MemUsageEntries());
7514 ASTContext &astContext = astUnit->getASTContext();
7516 // How much memory is used by AST nodes and types?
7517 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST,
7518 (unsigned long) astContext.getASTAllocatedMemory());
7520 // How much memory is used by identifiers?
7521 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Identifiers,
7522 (unsigned long) astContext.Idents.getAllocator().getTotalMemory());
7524 // How much memory is used for selectors?
7525 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Selectors,
7526 (unsigned long) astContext.Selectors.getTotalMemory());
7528 // How much memory is used by ASTContext's side tables?
7529 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST_SideTables,
7530 (unsigned long) astContext.getSideTableAllocatedMemory());
7532 // How much memory is used for caching global code completion results?
7533 unsigned long completionBytes = 0;
7534 if (GlobalCodeCompletionAllocator *completionAllocator =
7535 astUnit->getCachedCompletionAllocator().get()) {
7536 completionBytes = completionAllocator->getTotalMemory();
7538 createCXTUResourceUsageEntry(*entries,
7539 CXTUResourceUsage_GlobalCompletionResults,
7542 // How much memory is being used by SourceManager's content cache?
7543 createCXTUResourceUsageEntry(*entries,
7544 CXTUResourceUsage_SourceManagerContentCache,
7545 (unsigned long) astContext.getSourceManager().getContentCacheSize());
7547 // How much memory is being used by the MemoryBuffer's in SourceManager?
7548 const SourceManager::MemoryBufferSizes &srcBufs =
7549 astUnit->getSourceManager().getMemoryBufferSizes();
7551 createCXTUResourceUsageEntry(*entries,
7552 CXTUResourceUsage_SourceManager_Membuffer_Malloc,
7553 (unsigned long) srcBufs.malloc_bytes);
7554 createCXTUResourceUsageEntry(*entries,
7555 CXTUResourceUsage_SourceManager_Membuffer_MMap,
7556 (unsigned long) srcBufs.mmap_bytes);
7557 createCXTUResourceUsageEntry(*entries,
7558 CXTUResourceUsage_SourceManager_DataStructures,
7559 (unsigned long) astContext.getSourceManager()
7560 .getDataStructureSizes());
7562 // How much memory is being used by the ExternalASTSource?
7563 if (ExternalASTSource *esrc = astContext.getExternalSource()) {
7564 const ExternalASTSource::MemoryBufferSizes &sizes =
7565 esrc->getMemoryBufferSizes();
7567 createCXTUResourceUsageEntry(*entries,
7568 CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc,
7569 (unsigned long) sizes.malloc_bytes);
7570 createCXTUResourceUsageEntry(*entries,
7571 CXTUResourceUsage_ExternalASTSource_Membuffer_MMap,
7572 (unsigned long) sizes.mmap_bytes);
7575 // How much memory is being used by the Preprocessor?
7576 Preprocessor &pp = astUnit->getPreprocessor();
7577 createCXTUResourceUsageEntry(*entries,
7578 CXTUResourceUsage_Preprocessor,
7579 pp.getTotalMemory());
7581 if (PreprocessingRecord *pRec = pp.getPreprocessingRecord()) {
7582 createCXTUResourceUsageEntry(*entries,
7583 CXTUResourceUsage_PreprocessingRecord,
7584 pRec->getTotalMemory());
7587 createCXTUResourceUsageEntry(*entries,
7588 CXTUResourceUsage_Preprocessor_HeaderSearch,
7589 pp.getHeaderSearchInfo().getTotalMemory());
7591 CXTUResourceUsage usage = { (void*) entries.get(),
7592 (unsigned) entries->size(),
7593 !entries->empty() ? &(*entries)[0] : nullptr };
7598 void clang_disposeCXTUResourceUsage(CXTUResourceUsage usage) {
7600 delete (MemUsageEntries*) usage.data;
7603 CXSourceRangeList *clang_getSkippedRanges(CXTranslationUnit TU, CXFile file) {
7604 CXSourceRangeList *skipped = new CXSourceRangeList;
7606 skipped->ranges = nullptr;
7608 if (isNotUsableTU(TU)) {
7616 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7617 PreprocessingRecord *ppRec = astUnit->getPreprocessor().getPreprocessingRecord();
7621 ASTContext &Ctx = astUnit->getASTContext();
7622 SourceManager &sm = Ctx.getSourceManager();
7623 FileEntry *fileEntry = static_cast<FileEntry *>(file);
7624 FileID wantedFileID = sm.translateFile(fileEntry);
7626 const std::vector<SourceRange> &SkippedRanges = ppRec->getSkippedRanges();
7627 std::vector<SourceRange> wantedRanges;
7628 for (std::vector<SourceRange>::const_iterator i = SkippedRanges.begin(), ei = SkippedRanges.end();
7630 if (sm.getFileID(i->getBegin()) == wantedFileID || sm.getFileID(i->getEnd()) == wantedFileID)
7631 wantedRanges.push_back(*i);
7634 skipped->count = wantedRanges.size();
7635 skipped->ranges = new CXSourceRange[skipped->count];
7636 for (unsigned i = 0, ei = skipped->count; i != ei; ++i)
7637 skipped->ranges[i] = cxloc::translateSourceRange(Ctx, wantedRanges[i]);
7642 void clang_disposeSourceRangeList(CXSourceRangeList *ranges) {
7644 delete[] ranges->ranges;
7651 void clang::PrintLibclangResourceUsage(CXTranslationUnit TU) {
7652 CXTUResourceUsage Usage = clang_getCXTUResourceUsage(TU);
7653 for (unsigned I = 0; I != Usage.numEntries; ++I)
7654 fprintf(stderr, " %s: %lu\n",
7655 clang_getTUResourceUsageName(Usage.entries[I].kind),
7656 Usage.entries[I].amount);
7658 clang_disposeCXTUResourceUsage(Usage);
7661 //===----------------------------------------------------------------------===//
7662 // Misc. utility functions.
7663 //===----------------------------------------------------------------------===//
7665 /// Default to using an 8 MB stack size on "safety" threads.
7666 static unsigned SafetyStackThreadSize = 8 << 20;
7670 bool RunSafely(llvm::CrashRecoveryContext &CRC, llvm::function_ref<void()> Fn,
7673 Size = GetSafetyThreadStackSize();
7675 return CRC.RunSafelyOnThread(Fn, Size);
7676 return CRC.RunSafely(Fn);
7679 unsigned GetSafetyThreadStackSize() {
7680 return SafetyStackThreadSize;
7683 void SetSafetyThreadStackSize(unsigned Value) {
7684 SafetyStackThreadSize = Value;
7689 void clang::setThreadBackgroundPriority() {
7690 if (getenv("LIBCLANG_BGPRIO_DISABLE"))
7693 #ifdef USE_DARWIN_THREADS
7694 setpriority(PRIO_DARWIN_THREAD, 0, PRIO_DARWIN_BG);
7698 void cxindex::printDiagsToStderr(ASTUnit *Unit) {
7702 for (ASTUnit::stored_diag_iterator D = Unit->stored_diag_begin(),
7703 DEnd = Unit->stored_diag_end();
7705 CXStoredDiagnostic Diag(*D, Unit->getLangOpts());
7706 CXString Msg = clang_formatDiagnostic(&Diag,
7707 clang_defaultDiagnosticDisplayOptions());
7708 fprintf(stderr, "%s\n", clang_getCString(Msg));
7709 clang_disposeString(Msg);
7711 #ifdef LLVM_ON_WIN32
7712 // On Windows, force a flush, since there may be multiple copies of
7713 // stderr and stdout in the file system, all with different buffers
7714 // but writing to the same device.
7719 MacroInfo *cxindex::getMacroInfo(const IdentifierInfo &II,
7720 SourceLocation MacroDefLoc,
7721 CXTranslationUnit TU){
7722 if (MacroDefLoc.isInvalid() || !TU)
7724 if (!II.hadMacroDefinition())
7727 ASTUnit *Unit = cxtu::getASTUnit(TU);
7728 Preprocessor &PP = Unit->getPreprocessor();
7729 MacroDirective *MD = PP.getLocalMacroDirectiveHistory(&II);
7731 for (MacroDirective::DefInfo
7732 Def = MD->getDefinition(); Def; Def = Def.getPreviousDefinition()) {
7733 if (MacroDefLoc == Def.getMacroInfo()->getDefinitionLoc())
7734 return Def.getMacroInfo();
7741 const MacroInfo *cxindex::getMacroInfo(const MacroDefinitionRecord *MacroDef,
7742 CXTranslationUnit TU) {
7743 if (!MacroDef || !TU)
7745 const IdentifierInfo *II = MacroDef->getName();
7749 return getMacroInfo(*II, MacroDef->getLocation(), TU);
7752 MacroDefinitionRecord *
7753 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, const Token &Tok,
7754 CXTranslationUnit TU) {
7757 if (Tok.isNot(tok::raw_identifier))
7760 if (MI->getNumTokens() == 0)
7762 SourceRange DefRange(MI->getReplacementToken(0).getLocation(),
7763 MI->getDefinitionEndLoc());
7764 ASTUnit *Unit = cxtu::getASTUnit(TU);
7766 // Check that the token is inside the definition and not its argument list.
7767 SourceManager &SM = Unit->getSourceManager();
7768 if (SM.isBeforeInTranslationUnit(Tok.getLocation(), DefRange.getBegin()))
7770 if (SM.isBeforeInTranslationUnit(DefRange.getEnd(), Tok.getLocation()))
7773 Preprocessor &PP = Unit->getPreprocessor();
7774 PreprocessingRecord *PPRec = PP.getPreprocessingRecord();
7778 IdentifierInfo &II = PP.getIdentifierTable().get(Tok.getRawIdentifier());
7779 if (!II.hadMacroDefinition())
7782 // Check that the identifier is not one of the macro arguments.
7783 if (std::find(MI->arg_begin(), MI->arg_end(), &II) != MI->arg_end())
7786 MacroDirective *InnerMD = PP.getLocalMacroDirectiveHistory(&II);
7790 return PPRec->findMacroDefinition(InnerMD->getMacroInfo());
7793 MacroDefinitionRecord *
7794 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, SourceLocation Loc,
7795 CXTranslationUnit TU) {
7796 if (Loc.isInvalid() || !MI || !TU)
7799 if (MI->getNumTokens() == 0)
7801 ASTUnit *Unit = cxtu::getASTUnit(TU);
7802 Preprocessor &PP = Unit->getPreprocessor();
7803 if (!PP.getPreprocessingRecord())
7805 Loc = Unit->getSourceManager().getSpellingLoc(Loc);
7807 if (PP.getRawToken(Loc, Tok))
7810 return checkForMacroInMacroDefinition(MI, Tok, TU);
7815 CXString clang_getClangVersion() {
7816 return cxstring::createDup(getClangFullVersion());
7819 } // end: extern "C"
7821 Logger &cxindex::Logger::operator<<(CXTranslationUnit TU) {
7823 if (ASTUnit *Unit = cxtu::getASTUnit(TU)) {
7824 LogOS << '<' << Unit->getMainFileName() << '>';
7825 if (Unit->isMainFileAST())
7826 LogOS << " (" << Unit->getASTFileName() << ')';
7830 LogOS << "<NULL TU>";
7835 Logger &cxindex::Logger::operator<<(const FileEntry *FE) {
7836 *this << FE->getName();
7840 Logger &cxindex::Logger::operator<<(CXCursor cursor) {
7841 CXString cursorName = clang_getCursorDisplayName(cursor);
7842 *this << cursorName << "@" << clang_getCursorLocation(cursor);
7843 clang_disposeString(cursorName);
7847 Logger &cxindex::Logger::operator<<(CXSourceLocation Loc) {
7849 unsigned Line, Column;
7850 clang_getFileLocation(Loc, &File, &Line, &Column, nullptr);
7851 CXString FileName = clang_getFileName(File);
7852 *this << llvm::format("(%s:%d:%d)", clang_getCString(FileName), Line, Column);
7853 clang_disposeString(FileName);
7857 Logger &cxindex::Logger::operator<<(CXSourceRange range) {
7858 CXSourceLocation BLoc = clang_getRangeStart(range);
7859 CXSourceLocation ELoc = clang_getRangeEnd(range);
7862 unsigned BLine, BColumn;
7863 clang_getFileLocation(BLoc, &BFile, &BLine, &BColumn, nullptr);
7866 unsigned ELine, EColumn;
7867 clang_getFileLocation(ELoc, &EFile, &ELine, &EColumn, nullptr);
7869 CXString BFileName = clang_getFileName(BFile);
7870 if (BFile == EFile) {
7871 *this << llvm::format("[%s %d:%d-%d:%d]", clang_getCString(BFileName),
7872 BLine, BColumn, ELine, EColumn);
7874 CXString EFileName = clang_getFileName(EFile);
7875 *this << llvm::format("[%s:%d:%d - ", clang_getCString(BFileName),
7877 << llvm::format("%s:%d:%d]", clang_getCString(EFileName),
7879 clang_disposeString(EFileName);
7881 clang_disposeString(BFileName);
7885 Logger &cxindex::Logger::operator<<(CXString Str) {
7886 *this << clang_getCString(Str);
7890 Logger &cxindex::Logger::operator<<(const llvm::format_object_base &Fmt) {
7895 static llvm::ManagedStatic<llvm::sys::Mutex> LoggingMutex;
7897 cxindex::Logger::~Logger() {
7898 llvm::sys::ScopedLock L(*LoggingMutex);
7900 static llvm::TimeRecord sBeginTR = llvm::TimeRecord::getCurrentTime();
7902 raw_ostream &OS = llvm::errs();
7903 OS << "[libclang:" << Name << ':';
7905 #ifdef USE_DARWIN_THREADS
7906 // TODO: Portability.
7907 mach_port_t tid = pthread_mach_thread_np(pthread_self());
7911 llvm::TimeRecord TR = llvm::TimeRecord::getCurrentTime();
7912 OS << llvm::format("%7.4f] ", TR.getWallTime() - sBeginTR.getWallTime());
7916 llvm::sys::PrintStackTrace(OS);
7917 OS << "--------------------------------------------------\n";