1 //===- CIndex.cpp - Clang-C Source Indexing Library -----------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the main API hooks in the Clang-C Source Indexing
13 //===----------------------------------------------------------------------===//
16 #include "CIndexDiagnostic.h"
19 #include "CXSourceLocation.h"
21 #include "CXTranslationUnit.h"
23 #include "CursorVisitor.h"
24 #include "clang/AST/Attr.h"
25 #include "clang/AST/Mangle.h"
26 #include "clang/AST/StmtVisitor.h"
27 #include "clang/Basic/Diagnostic.h"
28 #include "clang/Basic/DiagnosticCategories.h"
29 #include "clang/Basic/DiagnosticIDs.h"
30 #include "clang/Basic/TargetInfo.h"
31 #include "clang/Basic/Version.h"
32 #include "clang/Frontend/ASTUnit.h"
33 #include "clang/Frontend/CompilerInstance.h"
34 #include "clang/Frontend/FrontendDiagnostic.h"
35 #include "clang/Index/CommentToXML.h"
36 #include "clang/Lex/HeaderSearch.h"
37 #include "clang/Lex/Lexer.h"
38 #include "clang/Lex/PreprocessingRecord.h"
39 #include "clang/Lex/Preprocessor.h"
40 #include "clang/Serialization/SerializationDiagnostic.h"
41 #include "llvm/ADT/Optional.h"
42 #include "llvm/ADT/STLExtras.h"
43 #include "llvm/ADT/StringSwitch.h"
44 #include "llvm/Config/llvm-config.h"
45 #include "llvm/IR/DataLayout.h"
46 #include "llvm/IR/Mangler.h"
47 #include "llvm/Support/Compiler.h"
48 #include "llvm/Support/CrashRecoveryContext.h"
49 #include "llvm/Support/Format.h"
50 #include "llvm/Support/ManagedStatic.h"
51 #include "llvm/Support/MemoryBuffer.h"
52 #include "llvm/Support/Mutex.h"
53 #include "llvm/Support/Program.h"
54 #include "llvm/Support/SaveAndRestore.h"
55 #include "llvm/Support/Signals.h"
56 #include "llvm/Support/TargetSelect.h"
57 #include "llvm/Support/Threading.h"
58 #include "llvm/Support/Timer.h"
59 #include "llvm/Support/raw_ostream.h"
61 #if LLVM_ENABLE_THREADS != 0 && defined(__APPLE__)
62 #define USE_DARWIN_THREADS
65 #ifdef USE_DARWIN_THREADS
69 using namespace clang;
70 using namespace clang::cxcursor;
71 using namespace clang::cxtu;
72 using namespace clang::cxindex;
74 CXTranslationUnit cxtu::MakeCXTranslationUnit(CIndexer *CIdx, ASTUnit *AU) {
78 CXTranslationUnit D = new CXTranslationUnitImpl();
81 D->StringPool = new cxstring::CXStringPool();
82 D->Diagnostics = nullptr;
83 D->OverridenCursorsPool = createOverridenCXCursorsPool();
84 D->CommentToXML = nullptr;
88 bool cxtu::isASTReadError(ASTUnit *AU) {
89 for (ASTUnit::stored_diag_iterator D = AU->stored_diag_begin(),
90 DEnd = AU->stored_diag_end();
92 if (D->getLevel() >= DiagnosticsEngine::Error &&
93 DiagnosticIDs::getCategoryNumberForDiag(D->getID()) ==
94 diag::DiagCat_AST_Deserialization_Issue)
100 cxtu::CXTUOwner::~CXTUOwner() {
102 clang_disposeTranslationUnit(TU);
105 /// \brief Compare two source ranges to determine their relative position in
106 /// the translation unit.
107 static RangeComparisonResult RangeCompare(SourceManager &SM,
110 assert(R1.isValid() && "First range is invalid?");
111 assert(R2.isValid() && "Second range is invalid?");
112 if (R1.getEnd() != R2.getBegin() &&
113 SM.isBeforeInTranslationUnit(R1.getEnd(), R2.getBegin()))
115 if (R2.getEnd() != R1.getBegin() &&
116 SM.isBeforeInTranslationUnit(R2.getEnd(), R1.getBegin()))
121 /// \brief Determine if a source location falls within, before, or after a
122 /// a given source range.
123 static RangeComparisonResult LocationCompare(SourceManager &SM,
124 SourceLocation L, SourceRange R) {
125 assert(R.isValid() && "First range is invalid?");
126 assert(L.isValid() && "Second range is invalid?");
127 if (L == R.getBegin() || L == R.getEnd())
129 if (SM.isBeforeInTranslationUnit(L, R.getBegin()))
131 if (SM.isBeforeInTranslationUnit(R.getEnd(), L))
136 /// \brief Translate a Clang source range into a CIndex source range.
138 /// Clang internally represents ranges where the end location points to the
139 /// start of the token at the end. However, for external clients it is more
140 /// useful to have a CXSourceRange be a proper half-open interval. This routine
141 /// does the appropriate translation.
142 CXSourceRange cxloc::translateSourceRange(const SourceManager &SM,
143 const LangOptions &LangOpts,
144 const CharSourceRange &R) {
145 // We want the last character in this location, so we will adjust the
146 // location accordingly.
147 SourceLocation EndLoc = R.getEnd();
148 if (EndLoc.isValid() && EndLoc.isMacroID() && !SM.isMacroArgExpansion(EndLoc))
149 EndLoc = SM.getExpansionRange(EndLoc).second;
150 if (R.isTokenRange() && !EndLoc.isInvalid()) {
151 unsigned Length = Lexer::MeasureTokenLength(SM.getSpellingLoc(EndLoc),
153 EndLoc = EndLoc.getLocWithOffset(Length);
156 CXSourceRange Result = {
158 R.getBegin().getRawEncoding(),
159 EndLoc.getRawEncoding()
164 //===----------------------------------------------------------------------===//
166 //===----------------------------------------------------------------------===//
168 static SourceRange getRawCursorExtent(CXCursor C);
169 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr);
172 RangeComparisonResult CursorVisitor::CompareRegionOfInterest(SourceRange R) {
173 return RangeCompare(AU->getSourceManager(), R, RegionOfInterest);
176 /// \brief Visit the given cursor and, if requested by the visitor,
179 /// \param Cursor the cursor to visit.
181 /// \param CheckedRegionOfInterest if true, then the caller already checked
182 /// that this cursor is within the region of interest.
184 /// \returns true if the visitation should be aborted, false if it
186 bool CursorVisitor::Visit(CXCursor Cursor, bool CheckedRegionOfInterest) {
187 if (clang_isInvalid(Cursor.kind))
190 if (clang_isDeclaration(Cursor.kind)) {
191 const Decl *D = getCursorDecl(Cursor);
193 assert(0 && "Invalid declaration cursor");
194 return true; // abort.
197 // Ignore implicit declarations, unless it's an objc method because
198 // currently we should report implicit methods for properties when indexing.
199 if (D->isImplicit() && !isa<ObjCMethodDecl>(D))
203 // If we have a range of interest, and this cursor doesn't intersect with it,
205 if (RegionOfInterest.isValid() && !CheckedRegionOfInterest) {
206 SourceRange Range = getRawCursorExtent(Cursor);
207 if (Range.isInvalid() || CompareRegionOfInterest(Range))
211 switch (Visitor(Cursor, Parent, ClientData)) {
212 case CXChildVisit_Break:
215 case CXChildVisit_Continue:
218 case CXChildVisit_Recurse: {
219 bool ret = VisitChildren(Cursor);
220 if (PostChildrenVisitor)
221 if (PostChildrenVisitor(Cursor, ClientData))
227 llvm_unreachable("Invalid CXChildVisitResult!");
230 static bool visitPreprocessedEntitiesInRange(SourceRange R,
231 PreprocessingRecord &PPRec,
232 CursorVisitor &Visitor) {
233 SourceManager &SM = Visitor.getASTUnit()->getSourceManager();
236 if (!Visitor.shouldVisitIncludedEntities()) {
237 // If the begin/end of the range lie in the same FileID, do the optimization
238 // where we skip preprocessed entities that do not come from the same FileID.
239 FID = SM.getFileID(SM.getFileLoc(R.getBegin()));
240 if (FID != SM.getFileID(SM.getFileLoc(R.getEnd())))
244 const auto &Entities = PPRec.getPreprocessedEntitiesInRange(R);
245 return Visitor.visitPreprocessedEntities(Entities.begin(), Entities.end(),
249 bool CursorVisitor::visitFileRegion() {
250 if (RegionOfInterest.isInvalid())
253 ASTUnit *Unit = cxtu::getASTUnit(TU);
254 SourceManager &SM = Unit->getSourceManager();
256 std::pair<FileID, unsigned>
257 Begin = SM.getDecomposedLoc(SM.getFileLoc(RegionOfInterest.getBegin())),
258 End = SM.getDecomposedLoc(SM.getFileLoc(RegionOfInterest.getEnd()));
260 if (End.first != Begin.first) {
261 // If the end does not reside in the same file, try to recover by
262 // picking the end of the file of begin location.
263 End.first = Begin.first;
264 End.second = SM.getFileIDSize(Begin.first);
267 assert(Begin.first == End.first);
268 if (Begin.second > End.second)
271 FileID File = Begin.first;
272 unsigned Offset = Begin.second;
273 unsigned Length = End.second - Begin.second;
275 if (!VisitDeclsOnly && !VisitPreprocessorLast)
276 if (visitPreprocessedEntitiesInRegion())
277 return true; // visitation break.
279 if (visitDeclsFromFileRegion(File, Offset, Length))
280 return true; // visitation break.
282 if (!VisitDeclsOnly && VisitPreprocessorLast)
283 return visitPreprocessedEntitiesInRegion();
288 static bool isInLexicalContext(Decl *D, DeclContext *DC) {
292 for (DeclContext *DeclDC = D->getLexicalDeclContext();
293 DeclDC; DeclDC = DeclDC->getLexicalParent()) {
300 bool CursorVisitor::visitDeclsFromFileRegion(FileID File,
301 unsigned Offset, unsigned Length) {
302 ASTUnit *Unit = cxtu::getASTUnit(TU);
303 SourceManager &SM = Unit->getSourceManager();
304 SourceRange Range = RegionOfInterest;
306 SmallVector<Decl *, 16> Decls;
307 Unit->findFileRegionDecls(File, Offset, Length, Decls);
309 // If we didn't find any file level decls for the file, try looking at the
310 // file that it was included from.
311 while (Decls.empty() || Decls.front()->isTopLevelDeclInObjCContainer()) {
312 bool Invalid = false;
313 const SrcMgr::SLocEntry &SLEntry = SM.getSLocEntry(File, &Invalid);
317 SourceLocation Outer;
318 if (SLEntry.isFile())
319 Outer = SLEntry.getFile().getIncludeLoc();
321 Outer = SLEntry.getExpansion().getExpansionLocStart();
322 if (Outer.isInvalid())
325 std::tie(File, Offset) = SM.getDecomposedExpansionLoc(Outer);
327 Unit->findFileRegionDecls(File, Offset, Length, Decls);
330 assert(!Decls.empty());
332 bool VisitedAtLeastOnce = false;
333 DeclContext *CurDC = nullptr;
334 SmallVectorImpl<Decl *>::iterator DIt = Decls.begin();
335 for (SmallVectorImpl<Decl *>::iterator DE = Decls.end(); DIt != DE; ++DIt) {
337 if (D->getSourceRange().isInvalid())
340 if (isInLexicalContext(D, CurDC))
343 CurDC = dyn_cast<DeclContext>(D);
345 if (TagDecl *TD = dyn_cast<TagDecl>(D))
346 if (!TD->isFreeStanding())
349 RangeComparisonResult CompRes = RangeCompare(SM, D->getSourceRange(),Range);
350 if (CompRes == RangeBefore)
352 if (CompRes == RangeAfter)
355 assert(CompRes == RangeOverlap);
356 VisitedAtLeastOnce = true;
358 if (isa<ObjCContainerDecl>(D)) {
359 FileDI_current = &DIt;
362 FileDI_current = nullptr;
365 if (Visit(MakeCXCursor(D, TU, Range), /*CheckedRegionOfInterest=*/true))
366 return true; // visitation break.
369 if (VisitedAtLeastOnce)
372 // No Decls overlapped with the range. Move up the lexical context until there
373 // is a context that contains the range or we reach the translation unit
375 DeclContext *DC = DIt == Decls.begin() ? (*DIt)->getLexicalDeclContext()
376 : (*(DIt-1))->getLexicalDeclContext();
378 while (DC && !DC->isTranslationUnit()) {
379 Decl *D = cast<Decl>(DC);
380 SourceRange CurDeclRange = D->getSourceRange();
381 if (CurDeclRange.isInvalid())
384 if (RangeCompare(SM, CurDeclRange, Range) == RangeOverlap) {
385 if (Visit(MakeCXCursor(D, TU, Range), /*CheckedRegionOfInterest=*/true))
386 return true; // visitation break.
389 DC = D->getLexicalDeclContext();
395 bool CursorVisitor::visitPreprocessedEntitiesInRegion() {
396 if (!AU->getPreprocessor().getPreprocessingRecord())
399 PreprocessingRecord &PPRec
400 = *AU->getPreprocessor().getPreprocessingRecord();
401 SourceManager &SM = AU->getSourceManager();
403 if (RegionOfInterest.isValid()) {
404 SourceRange MappedRange = AU->mapRangeToPreamble(RegionOfInterest);
405 SourceLocation B = MappedRange.getBegin();
406 SourceLocation E = MappedRange.getEnd();
408 if (AU->isInPreambleFileID(B)) {
409 if (SM.isLoadedSourceLocation(E))
410 return visitPreprocessedEntitiesInRange(SourceRange(B, E),
413 // Beginning of range lies in the preamble but it also extends beyond
414 // it into the main file. Split the range into 2 parts, one covering
415 // the preamble and another covering the main file. This allows subsequent
416 // calls to visitPreprocessedEntitiesInRange to accept a source range that
417 // lies in the same FileID, allowing it to skip preprocessed entities that
418 // do not come from the same FileID.
420 visitPreprocessedEntitiesInRange(
421 SourceRange(B, AU->getEndOfPreambleFileID()),
423 if (breaked) return true;
424 return visitPreprocessedEntitiesInRange(
425 SourceRange(AU->getStartOfMainFileID(), E),
429 return visitPreprocessedEntitiesInRange(SourceRange(B, E), PPRec, *this);
433 = !AU->isMainFileAST() && AU->getOnlyLocalDecls();
436 return visitPreprocessedEntities(PPRec.local_begin(), PPRec.local_end(),
439 return visitPreprocessedEntities(PPRec.begin(), PPRec.end(), PPRec);
442 template<typename InputIterator>
443 bool CursorVisitor::visitPreprocessedEntities(InputIterator First,
445 PreprocessingRecord &PPRec,
447 for (; First != Last; ++First) {
448 if (!FID.isInvalid() && !PPRec.isEntityInFileID(First, FID))
451 PreprocessedEntity *PPE = *First;
455 if (MacroExpansion *ME = dyn_cast<MacroExpansion>(PPE)) {
456 if (Visit(MakeMacroExpansionCursor(ME, TU)))
462 if (MacroDefinitionRecord *MD = dyn_cast<MacroDefinitionRecord>(PPE)) {
463 if (Visit(MakeMacroDefinitionCursor(MD, TU)))
469 if (InclusionDirective *ID = dyn_cast<InclusionDirective>(PPE)) {
470 if (Visit(MakeInclusionDirectiveCursor(ID, TU)))
480 /// \brief Visit the children of the given cursor.
482 /// \returns true if the visitation should be aborted, false if it
484 bool CursorVisitor::VisitChildren(CXCursor Cursor) {
485 if (clang_isReference(Cursor.kind) &&
486 Cursor.kind != CXCursor_CXXBaseSpecifier) {
487 // By definition, references have no children.
491 // Set the Parent field to Cursor, then back to its old value once we're
493 SetParentRAII SetParent(Parent, StmtParent, Cursor);
495 if (clang_isDeclaration(Cursor.kind)) {
496 Decl *D = const_cast<Decl *>(getCursorDecl(Cursor));
500 return VisitAttributes(D) || Visit(D);
503 if (clang_isStatement(Cursor.kind)) {
504 if (const Stmt *S = getCursorStmt(Cursor))
510 if (clang_isExpression(Cursor.kind)) {
511 if (const Expr *E = getCursorExpr(Cursor))
517 if (clang_isTranslationUnit(Cursor.kind)) {
518 CXTranslationUnit TU = getCursorTU(Cursor);
519 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
521 int VisitOrder[2] = { VisitPreprocessorLast, !VisitPreprocessorLast };
522 for (unsigned I = 0; I != 2; ++I) {
524 if (!CXXUnit->isMainFileAST() && CXXUnit->getOnlyLocalDecls() &&
525 RegionOfInterest.isInvalid()) {
526 for (ASTUnit::top_level_iterator TL = CXXUnit->top_level_begin(),
527 TLEnd = CXXUnit->top_level_end();
529 if (Visit(MakeCXCursor(*TL, TU, RegionOfInterest), true))
532 } else if (VisitDeclContext(
533 CXXUnit->getASTContext().getTranslationUnitDecl()))
538 // Walk the preprocessing record.
539 if (CXXUnit->getPreprocessor().getPreprocessingRecord())
540 visitPreprocessedEntitiesInRegion();
546 if (Cursor.kind == CXCursor_CXXBaseSpecifier) {
547 if (const CXXBaseSpecifier *Base = getCursorCXXBaseSpecifier(Cursor)) {
548 if (TypeSourceInfo *BaseTSInfo = Base->getTypeSourceInfo()) {
549 return Visit(BaseTSInfo->getTypeLoc());
554 if (Cursor.kind == CXCursor_IBOutletCollectionAttr) {
555 const IBOutletCollectionAttr *A =
556 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(Cursor));
557 if (const ObjCObjectType *ObjT = A->getInterface()->getAs<ObjCObjectType>())
558 return Visit(cxcursor::MakeCursorObjCClassRef(
559 ObjT->getInterface(),
560 A->getInterfaceLoc()->getTypeLoc().getLocStart(), TU));
563 // If pointing inside a macro definition, check if the token is an identifier
564 // that was ever defined as a macro. In such a case, create a "pseudo" macro
565 // expansion cursor for that token.
566 SourceLocation BeginLoc = RegionOfInterest.getBegin();
567 if (Cursor.kind == CXCursor_MacroDefinition &&
568 BeginLoc == RegionOfInterest.getEnd()) {
569 SourceLocation Loc = AU->mapLocationToPreamble(BeginLoc);
570 const MacroInfo *MI =
571 getMacroInfo(cxcursor::getCursorMacroDefinition(Cursor), TU);
572 if (MacroDefinitionRecord *MacroDef =
573 checkForMacroInMacroDefinition(MI, Loc, TU))
574 return Visit(cxcursor::MakeMacroExpansionCursor(MacroDef, BeginLoc, TU));
577 // Nothing to visit at the moment.
581 bool CursorVisitor::VisitBlockDecl(BlockDecl *B) {
582 if (TypeSourceInfo *TSInfo = B->getSignatureAsWritten())
583 if (Visit(TSInfo->getTypeLoc()))
586 if (Stmt *Body = B->getBody())
587 return Visit(MakeCXCursor(Body, StmtParent, TU, RegionOfInterest));
592 Optional<bool> CursorVisitor::shouldVisitCursor(CXCursor Cursor) {
593 if (RegionOfInterest.isValid()) {
594 SourceRange Range = getFullCursorExtent(Cursor, AU->getSourceManager());
595 if (Range.isInvalid())
598 switch (CompareRegionOfInterest(Range)) {
600 // This declaration comes before the region of interest; skip it.
604 // This declaration comes after the region of interest; we're done.
608 // This declaration overlaps the region of interest; visit it.
615 bool CursorVisitor::VisitDeclContext(DeclContext *DC) {
616 DeclContext::decl_iterator I = DC->decls_begin(), E = DC->decls_end();
618 // FIXME: Eventually remove. This part of a hack to support proper
619 // iteration over all Decls contained lexically within an ObjC container.
620 SaveAndRestore<DeclContext::decl_iterator*> DI_saved(DI_current, &I);
621 SaveAndRestore<DeclContext::decl_iterator> DE_saved(DE_current, E);
623 for ( ; I != E; ++I) {
625 if (D->getLexicalDeclContext() != DC)
627 CXCursor Cursor = MakeCXCursor(D, TU, RegionOfInterest);
629 // Ignore synthesized ivars here, otherwise if we have something like:
630 // @synthesize prop = _prop;
631 // and '_prop' is not declared, we will encounter a '_prop' ivar before
632 // encountering the 'prop' synthesize declaration and we will think that
633 // we passed the region-of-interest.
634 if (ObjCIvarDecl *ivarD = dyn_cast<ObjCIvarDecl>(D)) {
635 if (ivarD->getSynthesize())
639 // FIXME: ObjCClassRef/ObjCProtocolRef for forward class/protocol
640 // declarations is a mismatch with the compiler semantics.
641 if (Cursor.kind == CXCursor_ObjCInterfaceDecl) {
642 ObjCInterfaceDecl *ID = cast<ObjCInterfaceDecl>(D);
643 if (!ID->isThisDeclarationADefinition())
644 Cursor = MakeCursorObjCClassRef(ID, ID->getLocation(), TU);
646 } else if (Cursor.kind == CXCursor_ObjCProtocolDecl) {
647 ObjCProtocolDecl *PD = cast<ObjCProtocolDecl>(D);
648 if (!PD->isThisDeclarationADefinition())
649 Cursor = MakeCursorObjCProtocolRef(PD, PD->getLocation(), TU);
652 const Optional<bool> &V = shouldVisitCursor(Cursor);
657 if (Visit(Cursor, true))
663 bool CursorVisitor::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
664 llvm_unreachable("Translation units are visited directly by Visit()");
667 bool CursorVisitor::VisitTypeAliasDecl(TypeAliasDecl *D) {
668 if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
669 return Visit(TSInfo->getTypeLoc());
674 bool CursorVisitor::VisitTypedefDecl(TypedefDecl *D) {
675 if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
676 return Visit(TSInfo->getTypeLoc());
681 bool CursorVisitor::VisitTagDecl(TagDecl *D) {
682 return VisitDeclContext(D);
685 bool CursorVisitor::VisitClassTemplateSpecializationDecl(
686 ClassTemplateSpecializationDecl *D) {
687 bool ShouldVisitBody = false;
688 switch (D->getSpecializationKind()) {
690 case TSK_ImplicitInstantiation:
694 case TSK_ExplicitInstantiationDeclaration:
695 case TSK_ExplicitInstantiationDefinition:
698 case TSK_ExplicitSpecialization:
699 ShouldVisitBody = true;
703 // Visit the template arguments used in the specialization.
704 if (TypeSourceInfo *SpecType = D->getTypeAsWritten()) {
705 TypeLoc TL = SpecType->getTypeLoc();
706 if (TemplateSpecializationTypeLoc TSTLoc =
707 TL.getAs<TemplateSpecializationTypeLoc>()) {
708 for (unsigned I = 0, N = TSTLoc.getNumArgs(); I != N; ++I)
709 if (VisitTemplateArgumentLoc(TSTLoc.getArgLoc(I)))
714 if (ShouldVisitBody && VisitCXXRecordDecl(D))
720 bool CursorVisitor::VisitClassTemplatePartialSpecializationDecl(
721 ClassTemplatePartialSpecializationDecl *D) {
722 // FIXME: Visit the "outer" template parameter lists on the TagDecl
723 // before visiting these template parameters.
724 if (VisitTemplateParameters(D->getTemplateParameters()))
727 // Visit the partial specialization arguments.
728 const ASTTemplateArgumentListInfo *Info = D->getTemplateArgsAsWritten();
729 const TemplateArgumentLoc *TemplateArgs = Info->getTemplateArgs();
730 for (unsigned I = 0, N = Info->NumTemplateArgs; I != N; ++I)
731 if (VisitTemplateArgumentLoc(TemplateArgs[I]))
734 return VisitCXXRecordDecl(D);
737 bool CursorVisitor::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
738 // Visit the default argument.
739 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
740 if (TypeSourceInfo *DefArg = D->getDefaultArgumentInfo())
741 if (Visit(DefArg->getTypeLoc()))
747 bool CursorVisitor::VisitEnumConstantDecl(EnumConstantDecl *D) {
748 if (Expr *Init = D->getInitExpr())
749 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
753 bool CursorVisitor::VisitDeclaratorDecl(DeclaratorDecl *DD) {
754 unsigned NumParamList = DD->getNumTemplateParameterLists();
755 for (unsigned i = 0; i < NumParamList; i++) {
756 TemplateParameterList* Params = DD->getTemplateParameterList(i);
757 if (VisitTemplateParameters(Params))
761 if (TypeSourceInfo *TSInfo = DD->getTypeSourceInfo())
762 if (Visit(TSInfo->getTypeLoc()))
765 // Visit the nested-name-specifier, if present.
766 if (NestedNameSpecifierLoc QualifierLoc = DD->getQualifierLoc())
767 if (VisitNestedNameSpecifierLoc(QualifierLoc))
773 /// \brief Compare two base or member initializers based on their source order.
774 static int CompareCXXCtorInitializers(CXXCtorInitializer *const *X,
775 CXXCtorInitializer *const *Y) {
776 return (*X)->getSourceOrder() - (*Y)->getSourceOrder();
779 bool CursorVisitor::VisitFunctionDecl(FunctionDecl *ND) {
780 unsigned NumParamList = ND->getNumTemplateParameterLists();
781 for (unsigned i = 0; i < NumParamList; i++) {
782 TemplateParameterList* Params = ND->getTemplateParameterList(i);
783 if (VisitTemplateParameters(Params))
787 if (TypeSourceInfo *TSInfo = ND->getTypeSourceInfo()) {
788 // Visit the function declaration's syntactic components in the order
789 // written. This requires a bit of work.
790 TypeLoc TL = TSInfo->getTypeLoc().IgnoreParens();
791 FunctionTypeLoc FTL = TL.getAs<FunctionTypeLoc>();
793 // If we have a function declared directly (without the use of a typedef),
794 // visit just the return type. Otherwise, just visit the function's type
796 if ((FTL && !isa<CXXConversionDecl>(ND) && Visit(FTL.getReturnLoc())) ||
800 // Visit the nested-name-specifier, if present.
801 if (NestedNameSpecifierLoc QualifierLoc = ND->getQualifierLoc())
802 if (VisitNestedNameSpecifierLoc(QualifierLoc))
805 // Visit the declaration name.
806 if (!isa<CXXDestructorDecl>(ND))
807 if (VisitDeclarationNameInfo(ND->getNameInfo()))
810 // FIXME: Visit explicitly-specified template arguments!
812 // Visit the function parameters, if we have a function type.
813 if (FTL && VisitFunctionTypeLoc(FTL, true))
816 // FIXME: Attributes?
819 if (ND->doesThisDeclarationHaveABody() && !ND->isLateTemplateParsed()) {
820 if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(ND)) {
821 // Find the initializers that were written in the source.
822 SmallVector<CXXCtorInitializer *, 4> WrittenInits;
823 for (auto *I : Constructor->inits()) {
827 WrittenInits.push_back(I);
830 // Sort the initializers in source order
831 llvm::array_pod_sort(WrittenInits.begin(), WrittenInits.end(),
832 &CompareCXXCtorInitializers);
834 // Visit the initializers in source order
835 for (unsigned I = 0, N = WrittenInits.size(); I != N; ++I) {
836 CXXCtorInitializer *Init = WrittenInits[I];
837 if (Init->isAnyMemberInitializer()) {
838 if (Visit(MakeCursorMemberRef(Init->getAnyMember(),
839 Init->getMemberLocation(), TU)))
841 } else if (TypeSourceInfo *TInfo = Init->getTypeSourceInfo()) {
842 if (Visit(TInfo->getTypeLoc()))
846 // Visit the initializer value.
847 if (Expr *Initializer = Init->getInit())
848 if (Visit(MakeCXCursor(Initializer, ND, TU, RegionOfInterest)))
853 if (Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest)))
860 bool CursorVisitor::VisitFieldDecl(FieldDecl *D) {
861 if (VisitDeclaratorDecl(D))
864 if (Expr *BitWidth = D->getBitWidth())
865 return Visit(MakeCXCursor(BitWidth, StmtParent, TU, RegionOfInterest));
870 bool CursorVisitor::VisitVarDecl(VarDecl *D) {
871 if (VisitDeclaratorDecl(D))
874 if (Expr *Init = D->getInit())
875 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
880 bool CursorVisitor::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
881 if (VisitDeclaratorDecl(D))
884 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
885 if (Expr *DefArg = D->getDefaultArgument())
886 return Visit(MakeCXCursor(DefArg, StmtParent, TU, RegionOfInterest));
891 bool CursorVisitor::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
892 // FIXME: Visit the "outer" template parameter lists on the FunctionDecl
893 // before visiting these template parameters.
894 if (VisitTemplateParameters(D->getTemplateParameters()))
897 return VisitFunctionDecl(D->getTemplatedDecl());
900 bool CursorVisitor::VisitClassTemplateDecl(ClassTemplateDecl *D) {
901 // FIXME: Visit the "outer" template parameter lists on the TagDecl
902 // before visiting these template parameters.
903 if (VisitTemplateParameters(D->getTemplateParameters()))
906 return VisitCXXRecordDecl(D->getTemplatedDecl());
909 bool CursorVisitor::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
910 if (VisitTemplateParameters(D->getTemplateParameters()))
913 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited() &&
914 VisitTemplateArgumentLoc(D->getDefaultArgument()))
920 bool CursorVisitor::VisitObjCTypeParamDecl(ObjCTypeParamDecl *D) {
921 // Visit the bound, if it's explicit.
922 if (D->hasExplicitBound()) {
923 if (auto TInfo = D->getTypeSourceInfo()) {
924 if (Visit(TInfo->getTypeLoc()))
932 bool CursorVisitor::VisitObjCMethodDecl(ObjCMethodDecl *ND) {
933 if (TypeSourceInfo *TSInfo = ND->getReturnTypeSourceInfo())
934 if (Visit(TSInfo->getTypeLoc()))
937 for (const auto *P : ND->params()) {
938 if (Visit(MakeCXCursor(P, TU, RegionOfInterest)))
942 if (ND->isThisDeclarationADefinition() &&
943 Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest)))
949 template <typename DeclIt>
950 static void addRangedDeclsInContainer(DeclIt *DI_current, DeclIt DE_current,
951 SourceManager &SM, SourceLocation EndLoc,
952 SmallVectorImpl<Decl *> &Decls) {
953 DeclIt next = *DI_current;
954 while (++next != DE_current) {
955 Decl *D_next = *next;
958 SourceLocation L = D_next->getLocStart();
961 if (SM.isBeforeInTranslationUnit(L, EndLoc)) {
963 Decls.push_back(D_next);
970 bool CursorVisitor::VisitObjCContainerDecl(ObjCContainerDecl *D) {
971 // FIXME: Eventually convert back to just 'VisitDeclContext()'. Essentially
972 // an @implementation can lexically contain Decls that are not properly
973 // nested in the AST. When we identify such cases, we need to retrofit
974 // this nesting here.
975 if (!DI_current && !FileDI_current)
976 return VisitDeclContext(D);
978 // Scan the Decls that immediately come after the container
979 // in the current DeclContext. If any fall within the
980 // container's lexical region, stash them into a vector
981 // for later processing.
982 SmallVector<Decl *, 24> DeclsInContainer;
983 SourceLocation EndLoc = D->getSourceRange().getEnd();
984 SourceManager &SM = AU->getSourceManager();
985 if (EndLoc.isValid()) {
987 addRangedDeclsInContainer(DI_current, DE_current, SM, EndLoc,
990 addRangedDeclsInContainer(FileDI_current, FileDE_current, SM, EndLoc,
996 if (DeclsInContainer.empty())
997 return VisitDeclContext(D);
999 // Get all the Decls in the DeclContext, and sort them with the
1000 // additional ones we've collected. Then visit them.
1001 for (auto *SubDecl : D->decls()) {
1002 if (!SubDecl || SubDecl->getLexicalDeclContext() != D ||
1003 SubDecl->getLocStart().isInvalid())
1005 DeclsInContainer.push_back(SubDecl);
1008 // Now sort the Decls so that they appear in lexical order.
1009 std::sort(DeclsInContainer.begin(), DeclsInContainer.end(),
1010 [&SM](Decl *A, Decl *B) {
1011 SourceLocation L_A = A->getLocStart();
1012 SourceLocation L_B = B->getLocStart();
1013 assert(L_A.isValid() && L_B.isValid());
1014 return SM.isBeforeInTranslationUnit(L_A, L_B);
1017 // Now visit the decls.
1018 for (SmallVectorImpl<Decl*>::iterator I = DeclsInContainer.begin(),
1019 E = DeclsInContainer.end(); I != E; ++I) {
1020 CXCursor Cursor = MakeCXCursor(*I, TU, RegionOfInterest);
1021 const Optional<bool> &V = shouldVisitCursor(Cursor);
1026 if (Visit(Cursor, true))
1032 bool CursorVisitor::VisitObjCCategoryDecl(ObjCCategoryDecl *ND) {
1033 if (Visit(MakeCursorObjCClassRef(ND->getClassInterface(), ND->getLocation(),
1037 if (VisitObjCTypeParamList(ND->getTypeParamList()))
1040 ObjCCategoryDecl::protocol_loc_iterator PL = ND->protocol_loc_begin();
1041 for (ObjCCategoryDecl::protocol_iterator I = ND->protocol_begin(),
1042 E = ND->protocol_end(); I != E; ++I, ++PL)
1043 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1046 return VisitObjCContainerDecl(ND);
1049 bool CursorVisitor::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
1050 if (!PID->isThisDeclarationADefinition())
1051 return Visit(MakeCursorObjCProtocolRef(PID, PID->getLocation(), TU));
1053 ObjCProtocolDecl::protocol_loc_iterator PL = PID->protocol_loc_begin();
1054 for (ObjCProtocolDecl::protocol_iterator I = PID->protocol_begin(),
1055 E = PID->protocol_end(); I != E; ++I, ++PL)
1056 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1059 return VisitObjCContainerDecl(PID);
1062 bool CursorVisitor::VisitObjCPropertyDecl(ObjCPropertyDecl *PD) {
1063 if (PD->getTypeSourceInfo() && Visit(PD->getTypeSourceInfo()->getTypeLoc()))
1066 // FIXME: This implements a workaround with @property declarations also being
1067 // installed in the DeclContext for the @interface. Eventually this code
1068 // should be removed.
1069 ObjCCategoryDecl *CDecl = dyn_cast<ObjCCategoryDecl>(PD->getDeclContext());
1070 if (!CDecl || !CDecl->IsClassExtension())
1073 ObjCInterfaceDecl *ID = CDecl->getClassInterface();
1077 IdentifierInfo *PropertyId = PD->getIdentifier();
1078 ObjCPropertyDecl *prevDecl =
1079 ObjCPropertyDecl::findPropertyDecl(cast<DeclContext>(ID), PropertyId);
1084 // Visit synthesized methods since they will be skipped when visiting
1086 if (ObjCMethodDecl *MD = prevDecl->getGetterMethodDecl())
1087 if (MD->isPropertyAccessor() && MD->getLexicalDeclContext() == CDecl)
1088 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
1091 if (ObjCMethodDecl *MD = prevDecl->getSetterMethodDecl())
1092 if (MD->isPropertyAccessor() && MD->getLexicalDeclContext() == CDecl)
1093 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
1099 bool CursorVisitor::VisitObjCTypeParamList(ObjCTypeParamList *typeParamList) {
1103 for (auto *typeParam : *typeParamList) {
1104 // Visit the type parameter.
1105 if (Visit(MakeCXCursor(typeParam, TU, RegionOfInterest)))
1112 bool CursorVisitor::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) {
1113 if (!D->isThisDeclarationADefinition()) {
1114 // Forward declaration is treated like a reference.
1115 return Visit(MakeCursorObjCClassRef(D, D->getLocation(), TU));
1118 // Objective-C type parameters.
1119 if (VisitObjCTypeParamList(D->getTypeParamListAsWritten()))
1122 // Issue callbacks for super class.
1123 if (D->getSuperClass() &&
1124 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1125 D->getSuperClassLoc(),
1129 if (TypeSourceInfo *SuperClassTInfo = D->getSuperClassTInfo())
1130 if (Visit(SuperClassTInfo->getTypeLoc()))
1133 ObjCInterfaceDecl::protocol_loc_iterator PL = D->protocol_loc_begin();
1134 for (ObjCInterfaceDecl::protocol_iterator I = D->protocol_begin(),
1135 E = D->protocol_end(); I != E; ++I, ++PL)
1136 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1139 return VisitObjCContainerDecl(D);
1142 bool CursorVisitor::VisitObjCImplDecl(ObjCImplDecl *D) {
1143 return VisitObjCContainerDecl(D);
1146 bool CursorVisitor::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
1147 // 'ID' could be null when dealing with invalid code.
1148 if (ObjCInterfaceDecl *ID = D->getClassInterface())
1149 if (Visit(MakeCursorObjCClassRef(ID, D->getLocation(), TU)))
1152 return VisitObjCImplDecl(D);
1155 bool CursorVisitor::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
1157 // Issue callbacks for super class.
1158 // FIXME: No source location information!
1159 if (D->getSuperClass() &&
1160 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1161 D->getSuperClassLoc(),
1166 return VisitObjCImplDecl(D);
1169 bool CursorVisitor::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PD) {
1170 if (ObjCIvarDecl *Ivar = PD->getPropertyIvarDecl())
1171 if (PD->isIvarNameSpecified())
1172 return Visit(MakeCursorMemberRef(Ivar, PD->getPropertyIvarDeclLoc(), TU));
1177 bool CursorVisitor::VisitNamespaceDecl(NamespaceDecl *D) {
1178 return VisitDeclContext(D);
1181 bool CursorVisitor::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
1182 // Visit nested-name-specifier.
1183 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1184 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1187 return Visit(MakeCursorNamespaceRef(D->getAliasedNamespace(),
1188 D->getTargetNameLoc(), TU));
1191 bool CursorVisitor::VisitUsingDecl(UsingDecl *D) {
1192 // Visit nested-name-specifier.
1193 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1194 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1198 if (Visit(MakeCursorOverloadedDeclRef(D, D->getLocation(), TU)))
1201 return VisitDeclarationNameInfo(D->getNameInfo());
1204 bool CursorVisitor::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
1205 // Visit nested-name-specifier.
1206 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1207 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1210 return Visit(MakeCursorNamespaceRef(D->getNominatedNamespaceAsWritten(),
1211 D->getIdentLocation(), TU));
1214 bool CursorVisitor::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
1215 // Visit nested-name-specifier.
1216 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1217 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1221 return VisitDeclarationNameInfo(D->getNameInfo());
1224 bool CursorVisitor::VisitUnresolvedUsingTypenameDecl(
1225 UnresolvedUsingTypenameDecl *D) {
1226 // Visit nested-name-specifier.
1227 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1228 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1234 bool CursorVisitor::VisitDeclarationNameInfo(DeclarationNameInfo Name) {
1235 switch (Name.getName().getNameKind()) {
1236 case clang::DeclarationName::Identifier:
1237 case clang::DeclarationName::CXXLiteralOperatorName:
1238 case clang::DeclarationName::CXXOperatorName:
1239 case clang::DeclarationName::CXXUsingDirective:
1242 case clang::DeclarationName::CXXConstructorName:
1243 case clang::DeclarationName::CXXDestructorName:
1244 case clang::DeclarationName::CXXConversionFunctionName:
1245 if (TypeSourceInfo *TSInfo = Name.getNamedTypeInfo())
1246 return Visit(TSInfo->getTypeLoc());
1249 case clang::DeclarationName::ObjCZeroArgSelector:
1250 case clang::DeclarationName::ObjCOneArgSelector:
1251 case clang::DeclarationName::ObjCMultiArgSelector:
1252 // FIXME: Per-identifier location info?
1256 llvm_unreachable("Invalid DeclarationName::Kind!");
1259 bool CursorVisitor::VisitNestedNameSpecifier(NestedNameSpecifier *NNS,
1260 SourceRange Range) {
1261 // FIXME: This whole routine is a hack to work around the lack of proper
1262 // source information in nested-name-specifiers (PR5791). Since we do have
1263 // a beginning source location, we can visit the first component of the
1264 // nested-name-specifier, if it's a single-token component.
1268 // Get the first component in the nested-name-specifier.
1269 while (NestedNameSpecifier *Prefix = NNS->getPrefix())
1272 switch (NNS->getKind()) {
1273 case NestedNameSpecifier::Namespace:
1274 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(), Range.getBegin(),
1277 case NestedNameSpecifier::NamespaceAlias:
1278 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1279 Range.getBegin(), TU));
1281 case NestedNameSpecifier::TypeSpec: {
1282 // If the type has a form where we know that the beginning of the source
1283 // range matches up with a reference cursor. Visit the appropriate reference
1285 const Type *T = NNS->getAsType();
1286 if (const TypedefType *Typedef = dyn_cast<TypedefType>(T))
1287 return Visit(MakeCursorTypeRef(Typedef->getDecl(), Range.getBegin(), TU));
1288 if (const TagType *Tag = dyn_cast<TagType>(T))
1289 return Visit(MakeCursorTypeRef(Tag->getDecl(), Range.getBegin(), TU));
1290 if (const TemplateSpecializationType *TST
1291 = dyn_cast<TemplateSpecializationType>(T))
1292 return VisitTemplateName(TST->getTemplateName(), Range.getBegin());
1296 case NestedNameSpecifier::TypeSpecWithTemplate:
1297 case NestedNameSpecifier::Global:
1298 case NestedNameSpecifier::Identifier:
1299 case NestedNameSpecifier::Super:
1307 CursorVisitor::VisitNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1308 SmallVector<NestedNameSpecifierLoc, 4> Qualifiers;
1309 for (; Qualifier; Qualifier = Qualifier.getPrefix())
1310 Qualifiers.push_back(Qualifier);
1312 while (!Qualifiers.empty()) {
1313 NestedNameSpecifierLoc Q = Qualifiers.pop_back_val();
1314 NestedNameSpecifier *NNS = Q.getNestedNameSpecifier();
1315 switch (NNS->getKind()) {
1316 case NestedNameSpecifier::Namespace:
1317 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(),
1318 Q.getLocalBeginLoc(),
1324 case NestedNameSpecifier::NamespaceAlias:
1325 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1326 Q.getLocalBeginLoc(),
1332 case NestedNameSpecifier::TypeSpec:
1333 case NestedNameSpecifier::TypeSpecWithTemplate:
1334 if (Visit(Q.getTypeLoc()))
1339 case NestedNameSpecifier::Global:
1340 case NestedNameSpecifier::Identifier:
1341 case NestedNameSpecifier::Super:
1349 bool CursorVisitor::VisitTemplateParameters(
1350 const TemplateParameterList *Params) {
1354 for (TemplateParameterList::const_iterator P = Params->begin(),
1355 PEnd = Params->end();
1357 if (Visit(MakeCXCursor(*P, TU, RegionOfInterest)))
1364 bool CursorVisitor::VisitTemplateName(TemplateName Name, SourceLocation Loc) {
1365 switch (Name.getKind()) {
1366 case TemplateName::Template:
1367 return Visit(MakeCursorTemplateRef(Name.getAsTemplateDecl(), Loc, TU));
1369 case TemplateName::OverloadedTemplate:
1370 // Visit the overloaded template set.
1371 if (Visit(MakeCursorOverloadedDeclRef(Name, Loc, TU)))
1376 case TemplateName::DependentTemplate:
1377 // FIXME: Visit nested-name-specifier.
1380 case TemplateName::QualifiedTemplate:
1381 // FIXME: Visit nested-name-specifier.
1382 return Visit(MakeCursorTemplateRef(
1383 Name.getAsQualifiedTemplateName()->getDecl(),
1386 case TemplateName::SubstTemplateTemplateParm:
1387 return Visit(MakeCursorTemplateRef(
1388 Name.getAsSubstTemplateTemplateParm()->getParameter(),
1391 case TemplateName::SubstTemplateTemplateParmPack:
1392 return Visit(MakeCursorTemplateRef(
1393 Name.getAsSubstTemplateTemplateParmPack()->getParameterPack(),
1397 llvm_unreachable("Invalid TemplateName::Kind!");
1400 bool CursorVisitor::VisitTemplateArgumentLoc(const TemplateArgumentLoc &TAL) {
1401 switch (TAL.getArgument().getKind()) {
1402 case TemplateArgument::Null:
1403 case TemplateArgument::Integral:
1404 case TemplateArgument::Pack:
1407 case TemplateArgument::Type:
1408 if (TypeSourceInfo *TSInfo = TAL.getTypeSourceInfo())
1409 return Visit(TSInfo->getTypeLoc());
1412 case TemplateArgument::Declaration:
1413 if (Expr *E = TAL.getSourceDeclExpression())
1414 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1417 case TemplateArgument::NullPtr:
1418 if (Expr *E = TAL.getSourceNullPtrExpression())
1419 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1422 case TemplateArgument::Expression:
1423 if (Expr *E = TAL.getSourceExpression())
1424 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1427 case TemplateArgument::Template:
1428 case TemplateArgument::TemplateExpansion:
1429 if (VisitNestedNameSpecifierLoc(TAL.getTemplateQualifierLoc()))
1432 return VisitTemplateName(TAL.getArgument().getAsTemplateOrTemplatePattern(),
1433 TAL.getTemplateNameLoc());
1436 llvm_unreachable("Invalid TemplateArgument::Kind!");
1439 bool CursorVisitor::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
1440 return VisitDeclContext(D);
1443 bool CursorVisitor::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) {
1444 return Visit(TL.getUnqualifiedLoc());
1447 bool CursorVisitor::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) {
1448 ASTContext &Context = AU->getASTContext();
1450 // Some builtin types (such as Objective-C's "id", "sel", and
1451 // "Class") have associated declarations. Create cursors for those.
1453 switch (TL.getTypePtr()->getKind()) {
1455 case BuiltinType::Void:
1456 case BuiltinType::NullPtr:
1457 case BuiltinType::Dependent:
1458 case BuiltinType::OCLImage1d:
1459 case BuiltinType::OCLImage1dArray:
1460 case BuiltinType::OCLImage1dBuffer:
1461 case BuiltinType::OCLImage2d:
1462 case BuiltinType::OCLImage2dArray:
1463 case BuiltinType::OCLImage3d:
1464 case BuiltinType::OCLSampler:
1465 case BuiltinType::OCLEvent:
1466 #define BUILTIN_TYPE(Id, SingletonId)
1467 #define SIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1468 #define UNSIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1469 #define FLOATING_TYPE(Id, SingletonId) case BuiltinType::Id:
1470 #define PLACEHOLDER_TYPE(Id, SingletonId) case BuiltinType::Id:
1471 #include "clang/AST/BuiltinTypes.def"
1474 case BuiltinType::ObjCId:
1475 VisitType = Context.getObjCIdType();
1478 case BuiltinType::ObjCClass:
1479 VisitType = Context.getObjCClassType();
1482 case BuiltinType::ObjCSel:
1483 VisitType = Context.getObjCSelType();
1487 if (!VisitType.isNull()) {
1488 if (const TypedefType *Typedef = VisitType->getAs<TypedefType>())
1489 return Visit(MakeCursorTypeRef(Typedef->getDecl(), TL.getBuiltinLoc(),
1496 bool CursorVisitor::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
1497 return Visit(MakeCursorTypeRef(TL.getTypedefNameDecl(), TL.getNameLoc(), TU));
1500 bool CursorVisitor::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
1501 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1504 bool CursorVisitor::VisitTagTypeLoc(TagTypeLoc TL) {
1505 if (TL.isDefinition())
1506 return Visit(MakeCXCursor(TL.getDecl(), TU, RegionOfInterest));
1508 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1511 bool CursorVisitor::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
1512 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1515 bool CursorVisitor::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
1516 if (Visit(MakeCursorObjCClassRef(TL.getIFaceDecl(), TL.getNameLoc(), TU)))
1522 bool CursorVisitor::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
1523 if (TL.hasBaseTypeAsWritten() && Visit(TL.getBaseLoc()))
1526 for (unsigned I = 0, N = TL.getNumTypeArgs(); I != N; ++I) {
1527 if (Visit(TL.getTypeArgTInfo(I)->getTypeLoc()))
1531 for (unsigned I = 0, N = TL.getNumProtocols(); I != N; ++I) {
1532 if (Visit(MakeCursorObjCProtocolRef(TL.getProtocol(I), TL.getProtocolLoc(I),
1540 bool CursorVisitor::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
1541 return Visit(TL.getPointeeLoc());
1544 bool CursorVisitor::VisitParenTypeLoc(ParenTypeLoc TL) {
1545 return Visit(TL.getInnerLoc());
1548 bool CursorVisitor::VisitPointerTypeLoc(PointerTypeLoc TL) {
1549 return Visit(TL.getPointeeLoc());
1552 bool CursorVisitor::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
1553 return Visit(TL.getPointeeLoc());
1556 bool CursorVisitor::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
1557 return Visit(TL.getPointeeLoc());
1560 bool CursorVisitor::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
1561 return Visit(TL.getPointeeLoc());
1564 bool CursorVisitor::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
1565 return Visit(TL.getPointeeLoc());
1568 bool CursorVisitor::VisitAttributedTypeLoc(AttributedTypeLoc TL) {
1569 return Visit(TL.getModifiedLoc());
1572 bool CursorVisitor::VisitFunctionTypeLoc(FunctionTypeLoc TL,
1573 bool SkipResultType) {
1574 if (!SkipResultType && Visit(TL.getReturnLoc()))
1577 for (unsigned I = 0, N = TL.getNumParams(); I != N; ++I)
1578 if (Decl *D = TL.getParam(I))
1579 if (Visit(MakeCXCursor(D, TU, RegionOfInterest)))
1585 bool CursorVisitor::VisitArrayTypeLoc(ArrayTypeLoc TL) {
1586 if (Visit(TL.getElementLoc()))
1589 if (Expr *Size = TL.getSizeExpr())
1590 return Visit(MakeCXCursor(Size, StmtParent, TU, RegionOfInterest));
1595 bool CursorVisitor::VisitDecayedTypeLoc(DecayedTypeLoc TL) {
1596 return Visit(TL.getOriginalLoc());
1599 bool CursorVisitor::VisitAdjustedTypeLoc(AdjustedTypeLoc TL) {
1600 return Visit(TL.getOriginalLoc());
1603 bool CursorVisitor::VisitTemplateSpecializationTypeLoc(
1604 TemplateSpecializationTypeLoc TL) {
1605 // Visit the template name.
1606 if (VisitTemplateName(TL.getTypePtr()->getTemplateName(),
1607 TL.getTemplateNameLoc()))
1610 // Visit the template arguments.
1611 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1612 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1618 bool CursorVisitor::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
1619 return Visit(MakeCXCursor(TL.getUnderlyingExpr(), StmtParent, TU));
1622 bool CursorVisitor::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
1623 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1624 return Visit(TSInfo->getTypeLoc());
1629 bool CursorVisitor::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) {
1630 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1631 return Visit(TSInfo->getTypeLoc());
1636 bool CursorVisitor::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) {
1637 if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1643 bool CursorVisitor::VisitDependentTemplateSpecializationTypeLoc(
1644 DependentTemplateSpecializationTypeLoc TL) {
1645 // Visit the nested-name-specifier, if there is one.
1646 if (TL.getQualifierLoc() &&
1647 VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1650 // Visit the template arguments.
1651 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1652 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1658 bool CursorVisitor::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
1659 if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1662 return Visit(TL.getNamedTypeLoc());
1665 bool CursorVisitor::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) {
1666 return Visit(TL.getPatternLoc());
1669 bool CursorVisitor::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
1670 if (Expr *E = TL.getUnderlyingExpr())
1671 return Visit(MakeCXCursor(E, StmtParent, TU));
1676 bool CursorVisitor::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) {
1677 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1680 bool CursorVisitor::VisitAtomicTypeLoc(AtomicTypeLoc TL) {
1681 return Visit(TL.getValueLoc());
1684 #define DEFAULT_TYPELOC_IMPL(CLASS, PARENT) \
1685 bool CursorVisitor::Visit##CLASS##TypeLoc(CLASS##TypeLoc TL) { \
1686 return Visit##PARENT##Loc(TL); \
1689 DEFAULT_TYPELOC_IMPL(Complex, Type)
1690 DEFAULT_TYPELOC_IMPL(ConstantArray, ArrayType)
1691 DEFAULT_TYPELOC_IMPL(IncompleteArray, ArrayType)
1692 DEFAULT_TYPELOC_IMPL(VariableArray, ArrayType)
1693 DEFAULT_TYPELOC_IMPL(DependentSizedArray, ArrayType)
1694 DEFAULT_TYPELOC_IMPL(DependentSizedExtVector, Type)
1695 DEFAULT_TYPELOC_IMPL(Vector, Type)
1696 DEFAULT_TYPELOC_IMPL(ExtVector, VectorType)
1697 DEFAULT_TYPELOC_IMPL(FunctionProto, FunctionType)
1698 DEFAULT_TYPELOC_IMPL(FunctionNoProto, FunctionType)
1699 DEFAULT_TYPELOC_IMPL(Record, TagType)
1700 DEFAULT_TYPELOC_IMPL(Enum, TagType)
1701 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParm, Type)
1702 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParmPack, Type)
1703 DEFAULT_TYPELOC_IMPL(Auto, Type)
1705 bool CursorVisitor::VisitCXXRecordDecl(CXXRecordDecl *D) {
1706 // Visit the nested-name-specifier, if present.
1707 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1708 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1711 if (D->isCompleteDefinition()) {
1712 for (const auto &I : D->bases()) {
1713 if (Visit(cxcursor::MakeCursorCXXBaseSpecifier(&I, TU)))
1718 return VisitTagDecl(D);
1721 bool CursorVisitor::VisitAttributes(Decl *D) {
1722 for (const auto *I : D->attrs())
1723 if (Visit(MakeCXCursor(I, D, TU)))
1729 //===----------------------------------------------------------------------===//
1730 // Data-recursive visitor methods.
1731 //===----------------------------------------------------------------------===//
1734 #define DEF_JOB(NAME, DATA, KIND)\
1735 class NAME : public VisitorJob {\
1737 NAME(const DATA *d, CXCursor parent) : \
1738 VisitorJob(parent, VisitorJob::KIND, d) {} \
1739 static bool classof(const VisitorJob *VJ) { return VJ->getKind() == KIND; }\
1740 const DATA *get() const { return static_cast<const DATA*>(data[0]); }\
1743 DEF_JOB(StmtVisit, Stmt, StmtVisitKind)
1744 DEF_JOB(MemberExprParts, MemberExpr, MemberExprPartsKind)
1745 DEF_JOB(DeclRefExprParts, DeclRefExpr, DeclRefExprPartsKind)
1746 DEF_JOB(OverloadExprParts, OverloadExpr, OverloadExprPartsKind)
1747 DEF_JOB(ExplicitTemplateArgsVisit, ASTTemplateArgumentListInfo,
1748 ExplicitTemplateArgsVisitKind)
1749 DEF_JOB(SizeOfPackExprParts, SizeOfPackExpr, SizeOfPackExprPartsKind)
1750 DEF_JOB(LambdaExprParts, LambdaExpr, LambdaExprPartsKind)
1751 DEF_JOB(PostChildrenVisit, void, PostChildrenVisitKind)
1754 class DeclVisit : public VisitorJob {
1756 DeclVisit(const Decl *D, CXCursor parent, bool isFirst) :
1757 VisitorJob(parent, VisitorJob::DeclVisitKind,
1758 D, isFirst ? (void*) 1 : (void*) nullptr) {}
1759 static bool classof(const VisitorJob *VJ) {
1760 return VJ->getKind() == DeclVisitKind;
1762 const Decl *get() const { return static_cast<const Decl *>(data[0]); }
1763 bool isFirst() const { return data[1] != nullptr; }
1765 class TypeLocVisit : public VisitorJob {
1767 TypeLocVisit(TypeLoc tl, CXCursor parent) :
1768 VisitorJob(parent, VisitorJob::TypeLocVisitKind,
1769 tl.getType().getAsOpaquePtr(), tl.getOpaqueData()) {}
1771 static bool classof(const VisitorJob *VJ) {
1772 return VJ->getKind() == TypeLocVisitKind;
1775 TypeLoc get() const {
1776 QualType T = QualType::getFromOpaquePtr(data[0]);
1777 return TypeLoc(T, const_cast<void *>(data[1]));
1781 class LabelRefVisit : public VisitorJob {
1783 LabelRefVisit(LabelDecl *LD, SourceLocation labelLoc, CXCursor parent)
1784 : VisitorJob(parent, VisitorJob::LabelRefVisitKind, LD,
1785 labelLoc.getPtrEncoding()) {}
1787 static bool classof(const VisitorJob *VJ) {
1788 return VJ->getKind() == VisitorJob::LabelRefVisitKind;
1790 const LabelDecl *get() const {
1791 return static_cast<const LabelDecl *>(data[0]);
1793 SourceLocation getLoc() const {
1794 return SourceLocation::getFromPtrEncoding(data[1]); }
1797 class NestedNameSpecifierLocVisit : public VisitorJob {
1799 NestedNameSpecifierLocVisit(NestedNameSpecifierLoc Qualifier, CXCursor parent)
1800 : VisitorJob(parent, VisitorJob::NestedNameSpecifierLocVisitKind,
1801 Qualifier.getNestedNameSpecifier(),
1802 Qualifier.getOpaqueData()) { }
1804 static bool classof(const VisitorJob *VJ) {
1805 return VJ->getKind() == VisitorJob::NestedNameSpecifierLocVisitKind;
1808 NestedNameSpecifierLoc get() const {
1809 return NestedNameSpecifierLoc(
1810 const_cast<NestedNameSpecifier *>(
1811 static_cast<const NestedNameSpecifier *>(data[0])),
1812 const_cast<void *>(data[1]));
1816 class DeclarationNameInfoVisit : public VisitorJob {
1818 DeclarationNameInfoVisit(const Stmt *S, CXCursor parent)
1819 : VisitorJob(parent, VisitorJob::DeclarationNameInfoVisitKind, S) {}
1820 static bool classof(const VisitorJob *VJ) {
1821 return VJ->getKind() == VisitorJob::DeclarationNameInfoVisitKind;
1823 DeclarationNameInfo get() const {
1824 const Stmt *S = static_cast<const Stmt *>(data[0]);
1825 switch (S->getStmtClass()) {
1827 llvm_unreachable("Unhandled Stmt");
1828 case clang::Stmt::MSDependentExistsStmtClass:
1829 return cast<MSDependentExistsStmt>(S)->getNameInfo();
1830 case Stmt::CXXDependentScopeMemberExprClass:
1831 return cast<CXXDependentScopeMemberExpr>(S)->getMemberNameInfo();
1832 case Stmt::DependentScopeDeclRefExprClass:
1833 return cast<DependentScopeDeclRefExpr>(S)->getNameInfo();
1834 case Stmt::OMPCriticalDirectiveClass:
1835 return cast<OMPCriticalDirective>(S)->getDirectiveName();
1839 class MemberRefVisit : public VisitorJob {
1841 MemberRefVisit(const FieldDecl *D, SourceLocation L, CXCursor parent)
1842 : VisitorJob(parent, VisitorJob::MemberRefVisitKind, D,
1843 L.getPtrEncoding()) {}
1844 static bool classof(const VisitorJob *VJ) {
1845 return VJ->getKind() == VisitorJob::MemberRefVisitKind;
1847 const FieldDecl *get() const {
1848 return static_cast<const FieldDecl *>(data[0]);
1850 SourceLocation getLoc() const {
1851 return SourceLocation::getFromRawEncoding((unsigned)(uintptr_t) data[1]);
1854 class EnqueueVisitor : public ConstStmtVisitor<EnqueueVisitor, void> {
1855 friend class OMPClauseEnqueue;
1856 VisitorWorkList &WL;
1859 EnqueueVisitor(VisitorWorkList &wl, CXCursor parent)
1860 : WL(wl), Parent(parent) {}
1862 void VisitAddrLabelExpr(const AddrLabelExpr *E);
1863 void VisitBlockExpr(const BlockExpr *B);
1864 void VisitCompoundLiteralExpr(const CompoundLiteralExpr *E);
1865 void VisitCompoundStmt(const CompoundStmt *S);
1866 void VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *E) { /* Do nothing. */ }
1867 void VisitMSDependentExistsStmt(const MSDependentExistsStmt *S);
1868 void VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E);
1869 void VisitCXXNewExpr(const CXXNewExpr *E);
1870 void VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *E);
1871 void VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *E);
1872 void VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *E);
1873 void VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *E);
1874 void VisitCXXTypeidExpr(const CXXTypeidExpr *E);
1875 void VisitCXXUnresolvedConstructExpr(const CXXUnresolvedConstructExpr *E);
1876 void VisitCXXUuidofExpr(const CXXUuidofExpr *E);
1877 void VisitCXXCatchStmt(const CXXCatchStmt *S);
1878 void VisitCXXForRangeStmt(const CXXForRangeStmt *S);
1879 void VisitDeclRefExpr(const DeclRefExpr *D);
1880 void VisitDeclStmt(const DeclStmt *S);
1881 void VisitDependentScopeDeclRefExpr(const DependentScopeDeclRefExpr *E);
1882 void VisitDesignatedInitExpr(const DesignatedInitExpr *E);
1883 void VisitExplicitCastExpr(const ExplicitCastExpr *E);
1884 void VisitForStmt(const ForStmt *FS);
1885 void VisitGotoStmt(const GotoStmt *GS);
1886 void VisitIfStmt(const IfStmt *If);
1887 void VisitInitListExpr(const InitListExpr *IE);
1888 void VisitMemberExpr(const MemberExpr *M);
1889 void VisitOffsetOfExpr(const OffsetOfExpr *E);
1890 void VisitObjCEncodeExpr(const ObjCEncodeExpr *E);
1891 void VisitObjCMessageExpr(const ObjCMessageExpr *M);
1892 void VisitOverloadExpr(const OverloadExpr *E);
1893 void VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *E);
1894 void VisitStmt(const Stmt *S);
1895 void VisitSwitchStmt(const SwitchStmt *S);
1896 void VisitWhileStmt(const WhileStmt *W);
1897 void VisitTypeTraitExpr(const TypeTraitExpr *E);
1898 void VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E);
1899 void VisitExpressionTraitExpr(const ExpressionTraitExpr *E);
1900 void VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U);
1901 void VisitVAArgExpr(const VAArgExpr *E);
1902 void VisitSizeOfPackExpr(const SizeOfPackExpr *E);
1903 void VisitPseudoObjectExpr(const PseudoObjectExpr *E);
1904 void VisitOpaqueValueExpr(const OpaqueValueExpr *E);
1905 void VisitLambdaExpr(const LambdaExpr *E);
1906 void VisitOMPExecutableDirective(const OMPExecutableDirective *D);
1907 void VisitOMPLoopDirective(const OMPLoopDirective *D);
1908 void VisitOMPParallelDirective(const OMPParallelDirective *D);
1909 void VisitOMPSimdDirective(const OMPSimdDirective *D);
1910 void VisitOMPForDirective(const OMPForDirective *D);
1911 void VisitOMPForSimdDirective(const OMPForSimdDirective *D);
1912 void VisitOMPSectionsDirective(const OMPSectionsDirective *D);
1913 void VisitOMPSectionDirective(const OMPSectionDirective *D);
1914 void VisitOMPSingleDirective(const OMPSingleDirective *D);
1915 void VisitOMPMasterDirective(const OMPMasterDirective *D);
1916 void VisitOMPCriticalDirective(const OMPCriticalDirective *D);
1917 void VisitOMPParallelForDirective(const OMPParallelForDirective *D);
1918 void VisitOMPParallelForSimdDirective(const OMPParallelForSimdDirective *D);
1919 void VisitOMPParallelSectionsDirective(const OMPParallelSectionsDirective *D);
1920 void VisitOMPTaskDirective(const OMPTaskDirective *D);
1921 void VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D);
1922 void VisitOMPBarrierDirective(const OMPBarrierDirective *D);
1923 void VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D);
1924 void VisitOMPTaskgroupDirective(const OMPTaskgroupDirective *D);
1926 VisitOMPCancellationPointDirective(const OMPCancellationPointDirective *D);
1927 void VisitOMPCancelDirective(const OMPCancelDirective *D);
1928 void VisitOMPFlushDirective(const OMPFlushDirective *D);
1929 void VisitOMPOrderedDirective(const OMPOrderedDirective *D);
1930 void VisitOMPAtomicDirective(const OMPAtomicDirective *D);
1931 void VisitOMPTargetDirective(const OMPTargetDirective *D);
1932 void VisitOMPTargetDataDirective(const OMPTargetDataDirective *D);
1933 void VisitOMPTeamsDirective(const OMPTeamsDirective *D);
1936 void AddDeclarationNameInfo(const Stmt *S);
1937 void AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier);
1938 void AddExplicitTemplateArgs(const ASTTemplateArgumentListInfo *A);
1939 void AddMemberRef(const FieldDecl *D, SourceLocation L);
1940 void AddStmt(const Stmt *S);
1941 void AddDecl(const Decl *D, bool isFirst = true);
1942 void AddTypeLoc(TypeSourceInfo *TI);
1943 void EnqueueChildren(const Stmt *S);
1944 void EnqueueChildren(const OMPClause *S);
1946 } // end anonyous namespace
1948 void EnqueueVisitor::AddDeclarationNameInfo(const Stmt *S) {
1949 // 'S' should always be non-null, since it comes from the
1950 // statement we are visiting.
1951 WL.push_back(DeclarationNameInfoVisit(S, Parent));
1955 EnqueueVisitor::AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1957 WL.push_back(NestedNameSpecifierLocVisit(Qualifier, Parent));
1960 void EnqueueVisitor::AddStmt(const Stmt *S) {
1962 WL.push_back(StmtVisit(S, Parent));
1964 void EnqueueVisitor::AddDecl(const Decl *D, bool isFirst) {
1966 WL.push_back(DeclVisit(D, Parent, isFirst));
1968 void EnqueueVisitor::
1969 AddExplicitTemplateArgs(const ASTTemplateArgumentListInfo *A) {
1971 WL.push_back(ExplicitTemplateArgsVisit(A, Parent));
1973 void EnqueueVisitor::AddMemberRef(const FieldDecl *D, SourceLocation L) {
1975 WL.push_back(MemberRefVisit(D, L, Parent));
1977 void EnqueueVisitor::AddTypeLoc(TypeSourceInfo *TI) {
1979 WL.push_back(TypeLocVisit(TI->getTypeLoc(), Parent));
1981 void EnqueueVisitor::EnqueueChildren(const Stmt *S) {
1982 unsigned size = WL.size();
1983 for (const Stmt *SubStmt : S->children()) {
1986 if (size == WL.size())
1988 // Now reverse the entries we just added. This will match the DFS
1989 // ordering performed by the worklist.
1990 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
1994 class OMPClauseEnqueue : public ConstOMPClauseVisitor<OMPClauseEnqueue> {
1995 EnqueueVisitor *Visitor;
1996 /// \brief Process clauses with list of variables.
1997 template <typename T>
1998 void VisitOMPClauseList(T *Node);
2000 OMPClauseEnqueue(EnqueueVisitor *Visitor) : Visitor(Visitor) { }
2001 #define OPENMP_CLAUSE(Name, Class) \
2002 void Visit##Class(const Class *C);
2003 #include "clang/Basic/OpenMPKinds.def"
2006 void OMPClauseEnqueue::VisitOMPIfClause(const OMPIfClause *C) {
2007 Visitor->AddStmt(C->getCondition());
2010 void OMPClauseEnqueue::VisitOMPFinalClause(const OMPFinalClause *C) {
2011 Visitor->AddStmt(C->getCondition());
2014 void OMPClauseEnqueue::VisitOMPNumThreadsClause(const OMPNumThreadsClause *C) {
2015 Visitor->AddStmt(C->getNumThreads());
2018 void OMPClauseEnqueue::VisitOMPSafelenClause(const OMPSafelenClause *C) {
2019 Visitor->AddStmt(C->getSafelen());
2022 void OMPClauseEnqueue::VisitOMPSimdlenClause(const OMPSimdlenClause *C) {
2023 Visitor->AddStmt(C->getSimdlen());
2026 void OMPClauseEnqueue::VisitOMPCollapseClause(const OMPCollapseClause *C) {
2027 Visitor->AddStmt(C->getNumForLoops());
2030 void OMPClauseEnqueue::VisitOMPDefaultClause(const OMPDefaultClause *C) { }
2032 void OMPClauseEnqueue::VisitOMPProcBindClause(const OMPProcBindClause *C) { }
2034 void OMPClauseEnqueue::VisitOMPScheduleClause(const OMPScheduleClause *C) {
2035 Visitor->AddStmt(C->getChunkSize());
2036 Visitor->AddStmt(C->getHelperChunkSize());
2039 void OMPClauseEnqueue::VisitOMPOrderedClause(const OMPOrderedClause *C) {
2040 Visitor->AddStmt(C->getNumForLoops());
2043 void OMPClauseEnqueue::VisitOMPNowaitClause(const OMPNowaitClause *) {}
2045 void OMPClauseEnqueue::VisitOMPUntiedClause(const OMPUntiedClause *) {}
2047 void OMPClauseEnqueue::VisitOMPMergeableClause(const OMPMergeableClause *) {}
2049 void OMPClauseEnqueue::VisitOMPReadClause(const OMPReadClause *) {}
2051 void OMPClauseEnqueue::VisitOMPWriteClause(const OMPWriteClause *) {}
2053 void OMPClauseEnqueue::VisitOMPUpdateClause(const OMPUpdateClause *) {}
2055 void OMPClauseEnqueue::VisitOMPCaptureClause(const OMPCaptureClause *) {}
2057 void OMPClauseEnqueue::VisitOMPSeqCstClause(const OMPSeqCstClause *) {}
2059 void OMPClauseEnqueue::VisitOMPDeviceClause(const OMPDeviceClause *C) {
2060 Visitor->AddStmt(C->getDevice());
2063 template<typename T>
2064 void OMPClauseEnqueue::VisitOMPClauseList(T *Node) {
2065 for (const auto *I : Node->varlists()) {
2066 Visitor->AddStmt(I);
2070 void OMPClauseEnqueue::VisitOMPPrivateClause(const OMPPrivateClause *C) {
2071 VisitOMPClauseList(C);
2072 for (const auto *E : C->private_copies()) {
2073 Visitor->AddStmt(E);
2076 void OMPClauseEnqueue::VisitOMPFirstprivateClause(
2077 const OMPFirstprivateClause *C) {
2078 VisitOMPClauseList(C);
2080 void OMPClauseEnqueue::VisitOMPLastprivateClause(
2081 const OMPLastprivateClause *C) {
2082 VisitOMPClauseList(C);
2083 for (auto *E : C->private_copies()) {
2084 Visitor->AddStmt(E);
2086 for (auto *E : C->source_exprs()) {
2087 Visitor->AddStmt(E);
2089 for (auto *E : C->destination_exprs()) {
2090 Visitor->AddStmt(E);
2092 for (auto *E : C->assignment_ops()) {
2093 Visitor->AddStmt(E);
2096 void OMPClauseEnqueue::VisitOMPSharedClause(const OMPSharedClause *C) {
2097 VisitOMPClauseList(C);
2099 void OMPClauseEnqueue::VisitOMPReductionClause(const OMPReductionClause *C) {
2100 VisitOMPClauseList(C);
2101 for (auto *E : C->lhs_exprs()) {
2102 Visitor->AddStmt(E);
2104 for (auto *E : C->rhs_exprs()) {
2105 Visitor->AddStmt(E);
2107 for (auto *E : C->reduction_ops()) {
2108 Visitor->AddStmt(E);
2111 void OMPClauseEnqueue::VisitOMPLinearClause(const OMPLinearClause *C) {
2112 VisitOMPClauseList(C);
2113 for (const auto *E : C->privates()) {
2114 Visitor->AddStmt(E);
2116 for (const auto *E : C->inits()) {
2117 Visitor->AddStmt(E);
2119 for (const auto *E : C->updates()) {
2120 Visitor->AddStmt(E);
2122 for (const auto *E : C->finals()) {
2123 Visitor->AddStmt(E);
2125 Visitor->AddStmt(C->getStep());
2126 Visitor->AddStmt(C->getCalcStep());
2128 void OMPClauseEnqueue::VisitOMPAlignedClause(const OMPAlignedClause *C) {
2129 VisitOMPClauseList(C);
2130 Visitor->AddStmt(C->getAlignment());
2132 void OMPClauseEnqueue::VisitOMPCopyinClause(const OMPCopyinClause *C) {
2133 VisitOMPClauseList(C);
2134 for (auto *E : C->source_exprs()) {
2135 Visitor->AddStmt(E);
2137 for (auto *E : C->destination_exprs()) {
2138 Visitor->AddStmt(E);
2140 for (auto *E : C->assignment_ops()) {
2141 Visitor->AddStmt(E);
2145 OMPClauseEnqueue::VisitOMPCopyprivateClause(const OMPCopyprivateClause *C) {
2146 VisitOMPClauseList(C);
2147 for (auto *E : C->source_exprs()) {
2148 Visitor->AddStmt(E);
2150 for (auto *E : C->destination_exprs()) {
2151 Visitor->AddStmt(E);
2153 for (auto *E : C->assignment_ops()) {
2154 Visitor->AddStmt(E);
2157 void OMPClauseEnqueue::VisitOMPFlushClause(const OMPFlushClause *C) {
2158 VisitOMPClauseList(C);
2160 void OMPClauseEnqueue::VisitOMPDependClause(const OMPDependClause *C) {
2161 VisitOMPClauseList(C);
2165 void EnqueueVisitor::EnqueueChildren(const OMPClause *S) {
2166 unsigned size = WL.size();
2167 OMPClauseEnqueue Visitor(this);
2169 if (size == WL.size())
2171 // Now reverse the entries we just added. This will match the DFS
2172 // ordering performed by the worklist.
2173 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2176 void EnqueueVisitor::VisitAddrLabelExpr(const AddrLabelExpr *E) {
2177 WL.push_back(LabelRefVisit(E->getLabel(), E->getLabelLoc(), Parent));
2179 void EnqueueVisitor::VisitBlockExpr(const BlockExpr *B) {
2180 AddDecl(B->getBlockDecl());
2182 void EnqueueVisitor::VisitCompoundLiteralExpr(const CompoundLiteralExpr *E) {
2184 AddTypeLoc(E->getTypeSourceInfo());
2186 void EnqueueVisitor::VisitCompoundStmt(const CompoundStmt *S) {
2187 for (auto &I : llvm::reverse(S->body()))
2190 void EnqueueVisitor::
2191 VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
2192 AddStmt(S->getSubStmt());
2193 AddDeclarationNameInfo(S);
2194 if (NestedNameSpecifierLoc QualifierLoc = S->getQualifierLoc())
2195 AddNestedNameSpecifierLoc(QualifierLoc);
2198 void EnqueueVisitor::
2199 VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E) {
2200 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
2201 AddDeclarationNameInfo(E);
2202 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2203 AddNestedNameSpecifierLoc(QualifierLoc);
2204 if (!E->isImplicitAccess())
2205 AddStmt(E->getBase());
2207 void EnqueueVisitor::VisitCXXNewExpr(const CXXNewExpr *E) {
2208 // Enqueue the initializer , if any.
2209 AddStmt(E->getInitializer());
2210 // Enqueue the array size, if any.
2211 AddStmt(E->getArraySize());
2212 // Enqueue the allocated type.
2213 AddTypeLoc(E->getAllocatedTypeSourceInfo());
2214 // Enqueue the placement arguments.
2215 for (unsigned I = E->getNumPlacementArgs(); I > 0; --I)
2216 AddStmt(E->getPlacementArg(I-1));
2218 void EnqueueVisitor::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *CE) {
2219 for (unsigned I = CE->getNumArgs(); I > 1 /* Yes, this is 1 */; --I)
2220 AddStmt(CE->getArg(I-1));
2221 AddStmt(CE->getCallee());
2222 AddStmt(CE->getArg(0));
2224 void EnqueueVisitor::VisitCXXPseudoDestructorExpr(
2225 const CXXPseudoDestructorExpr *E) {
2226 // Visit the name of the type being destroyed.
2227 AddTypeLoc(E->getDestroyedTypeInfo());
2228 // Visit the scope type that looks disturbingly like the nested-name-specifier
2230 AddTypeLoc(E->getScopeTypeInfo());
2231 // Visit the nested-name-specifier.
2232 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2233 AddNestedNameSpecifierLoc(QualifierLoc);
2234 // Visit base expression.
2235 AddStmt(E->getBase());
2237 void EnqueueVisitor::VisitCXXScalarValueInitExpr(
2238 const CXXScalarValueInitExpr *E) {
2239 AddTypeLoc(E->getTypeSourceInfo());
2241 void EnqueueVisitor::VisitCXXTemporaryObjectExpr(
2242 const CXXTemporaryObjectExpr *E) {
2244 AddTypeLoc(E->getTypeSourceInfo());
2246 void EnqueueVisitor::VisitCXXTypeidExpr(const CXXTypeidExpr *E) {
2248 if (E->isTypeOperand())
2249 AddTypeLoc(E->getTypeOperandSourceInfo());
2252 void EnqueueVisitor::VisitCXXUnresolvedConstructExpr(
2253 const CXXUnresolvedConstructExpr *E) {
2255 AddTypeLoc(E->getTypeSourceInfo());
2257 void EnqueueVisitor::VisitCXXUuidofExpr(const CXXUuidofExpr *E) {
2259 if (E->isTypeOperand())
2260 AddTypeLoc(E->getTypeOperandSourceInfo());
2263 void EnqueueVisitor::VisitCXXCatchStmt(const CXXCatchStmt *S) {
2265 AddDecl(S->getExceptionDecl());
2268 void EnqueueVisitor::VisitCXXForRangeStmt(const CXXForRangeStmt *S) {
2269 AddStmt(S->getBody());
2270 AddStmt(S->getRangeInit());
2271 AddDecl(S->getLoopVariable());
2274 void EnqueueVisitor::VisitDeclRefExpr(const DeclRefExpr *DR) {
2275 if (DR->hasExplicitTemplateArgs()) {
2276 AddExplicitTemplateArgs(&DR->getExplicitTemplateArgs());
2278 WL.push_back(DeclRefExprParts(DR, Parent));
2280 void EnqueueVisitor::VisitDependentScopeDeclRefExpr(
2281 const DependentScopeDeclRefExpr *E) {
2282 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
2283 AddDeclarationNameInfo(E);
2284 AddNestedNameSpecifierLoc(E->getQualifierLoc());
2286 void EnqueueVisitor::VisitDeclStmt(const DeclStmt *S) {
2287 unsigned size = WL.size();
2288 bool isFirst = true;
2289 for (const auto *D : S->decls()) {
2290 AddDecl(D, isFirst);
2293 if (size == WL.size())
2295 // Now reverse the entries we just added. This will match the DFS
2296 // ordering performed by the worklist.
2297 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2300 void EnqueueVisitor::VisitDesignatedInitExpr(const DesignatedInitExpr *E) {
2301 AddStmt(E->getInit());
2302 for (DesignatedInitExpr::const_reverse_designators_iterator
2303 D = E->designators_rbegin(), DEnd = E->designators_rend();
2305 if (D->isFieldDesignator()) {
2306 if (FieldDecl *Field = D->getField())
2307 AddMemberRef(Field, D->getFieldLoc());
2310 if (D->isArrayDesignator()) {
2311 AddStmt(E->getArrayIndex(*D));
2314 assert(D->isArrayRangeDesignator() && "Unknown designator kind");
2315 AddStmt(E->getArrayRangeEnd(*D));
2316 AddStmt(E->getArrayRangeStart(*D));
2319 void EnqueueVisitor::VisitExplicitCastExpr(const ExplicitCastExpr *E) {
2321 AddTypeLoc(E->getTypeInfoAsWritten());
2323 void EnqueueVisitor::VisitForStmt(const ForStmt *FS) {
2324 AddStmt(FS->getBody());
2325 AddStmt(FS->getInc());
2326 AddStmt(FS->getCond());
2327 AddDecl(FS->getConditionVariable());
2328 AddStmt(FS->getInit());
2330 void EnqueueVisitor::VisitGotoStmt(const GotoStmt *GS) {
2331 WL.push_back(LabelRefVisit(GS->getLabel(), GS->getLabelLoc(), Parent));
2333 void EnqueueVisitor::VisitIfStmt(const IfStmt *If) {
2334 AddStmt(If->getElse());
2335 AddStmt(If->getThen());
2336 AddStmt(If->getCond());
2337 AddDecl(If->getConditionVariable());
2339 void EnqueueVisitor::VisitInitListExpr(const InitListExpr *IE) {
2340 // We care about the syntactic form of the initializer list, only.
2341 if (InitListExpr *Syntactic = IE->getSyntacticForm())
2343 EnqueueChildren(IE);
2345 void EnqueueVisitor::VisitMemberExpr(const MemberExpr *M) {
2346 WL.push_back(MemberExprParts(M, Parent));
2348 // If the base of the member access expression is an implicit 'this', don't
2350 // FIXME: If we ever want to show these implicit accesses, this will be
2351 // unfortunate. However, clang_getCursor() relies on this behavior.
2352 if (M->isImplicitAccess())
2355 // Ignore base anonymous struct/union fields, otherwise they will shadow the
2356 // real field that that we are interested in.
2357 if (auto *SubME = dyn_cast<MemberExpr>(M->getBase())) {
2358 if (auto *FD = dyn_cast_or_null<FieldDecl>(SubME->getMemberDecl())) {
2359 if (FD->isAnonymousStructOrUnion()) {
2360 AddStmt(SubME->getBase());
2366 AddStmt(M->getBase());
2368 void EnqueueVisitor::VisitObjCEncodeExpr(const ObjCEncodeExpr *E) {
2369 AddTypeLoc(E->getEncodedTypeSourceInfo());
2371 void EnqueueVisitor::VisitObjCMessageExpr(const ObjCMessageExpr *M) {
2373 AddTypeLoc(M->getClassReceiverTypeInfo());
2375 void EnqueueVisitor::VisitOffsetOfExpr(const OffsetOfExpr *E) {
2376 // Visit the components of the offsetof expression.
2377 for (unsigned N = E->getNumComponents(), I = N; I > 0; --I) {
2378 typedef OffsetOfExpr::OffsetOfNode OffsetOfNode;
2379 const OffsetOfNode &Node = E->getComponent(I-1);
2380 switch (Node.getKind()) {
2381 case OffsetOfNode::Array:
2382 AddStmt(E->getIndexExpr(Node.getArrayExprIndex()));
2384 case OffsetOfNode::Field:
2385 AddMemberRef(Node.getField(), Node.getSourceRange().getEnd());
2387 case OffsetOfNode::Identifier:
2388 case OffsetOfNode::Base:
2392 // Visit the type into which we're computing the offset.
2393 AddTypeLoc(E->getTypeSourceInfo());
2395 void EnqueueVisitor::VisitOverloadExpr(const OverloadExpr *E) {
2396 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
2397 WL.push_back(OverloadExprParts(E, Parent));
2399 void EnqueueVisitor::VisitUnaryExprOrTypeTraitExpr(
2400 const UnaryExprOrTypeTraitExpr *E) {
2402 if (E->isArgumentType())
2403 AddTypeLoc(E->getArgumentTypeInfo());
2405 void EnqueueVisitor::VisitStmt(const Stmt *S) {
2408 void EnqueueVisitor::VisitSwitchStmt(const SwitchStmt *S) {
2409 AddStmt(S->getBody());
2410 AddStmt(S->getCond());
2411 AddDecl(S->getConditionVariable());
2414 void EnqueueVisitor::VisitWhileStmt(const WhileStmt *W) {
2415 AddStmt(W->getBody());
2416 AddStmt(W->getCond());
2417 AddDecl(W->getConditionVariable());
2420 void EnqueueVisitor::VisitTypeTraitExpr(const TypeTraitExpr *E) {
2421 for (unsigned I = E->getNumArgs(); I > 0; --I)
2422 AddTypeLoc(E->getArg(I-1));
2425 void EnqueueVisitor::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E) {
2426 AddTypeLoc(E->getQueriedTypeSourceInfo());
2429 void EnqueueVisitor::VisitExpressionTraitExpr(const ExpressionTraitExpr *E) {
2433 void EnqueueVisitor::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U) {
2434 VisitOverloadExpr(U);
2435 if (!U->isImplicitAccess())
2436 AddStmt(U->getBase());
2438 void EnqueueVisitor::VisitVAArgExpr(const VAArgExpr *E) {
2439 AddStmt(E->getSubExpr());
2440 AddTypeLoc(E->getWrittenTypeInfo());
2442 void EnqueueVisitor::VisitSizeOfPackExpr(const SizeOfPackExpr *E) {
2443 WL.push_back(SizeOfPackExprParts(E, Parent));
2445 void EnqueueVisitor::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
2446 // If the opaque value has a source expression, just transparently
2447 // visit that. This is useful for (e.g.) pseudo-object expressions.
2448 if (Expr *SourceExpr = E->getSourceExpr())
2449 return Visit(SourceExpr);
2451 void EnqueueVisitor::VisitLambdaExpr(const LambdaExpr *E) {
2452 AddStmt(E->getBody());
2453 WL.push_back(LambdaExprParts(E, Parent));
2455 void EnqueueVisitor::VisitPseudoObjectExpr(const PseudoObjectExpr *E) {
2456 // Treat the expression like its syntactic form.
2457 Visit(E->getSyntacticForm());
2460 void EnqueueVisitor::VisitOMPExecutableDirective(
2461 const OMPExecutableDirective *D) {
2463 for (ArrayRef<OMPClause *>::iterator I = D->clauses().begin(),
2464 E = D->clauses().end();
2466 EnqueueChildren(*I);
2469 void EnqueueVisitor::VisitOMPLoopDirective(const OMPLoopDirective *D) {
2470 VisitOMPExecutableDirective(D);
2473 void EnqueueVisitor::VisitOMPParallelDirective(const OMPParallelDirective *D) {
2474 VisitOMPExecutableDirective(D);
2477 void EnqueueVisitor::VisitOMPSimdDirective(const OMPSimdDirective *D) {
2478 VisitOMPLoopDirective(D);
2481 void EnqueueVisitor::VisitOMPForDirective(const OMPForDirective *D) {
2482 VisitOMPLoopDirective(D);
2485 void EnqueueVisitor::VisitOMPForSimdDirective(const OMPForSimdDirective *D) {
2486 VisitOMPLoopDirective(D);
2489 void EnqueueVisitor::VisitOMPSectionsDirective(const OMPSectionsDirective *D) {
2490 VisitOMPExecutableDirective(D);
2493 void EnqueueVisitor::VisitOMPSectionDirective(const OMPSectionDirective *D) {
2494 VisitOMPExecutableDirective(D);
2497 void EnqueueVisitor::VisitOMPSingleDirective(const OMPSingleDirective *D) {
2498 VisitOMPExecutableDirective(D);
2501 void EnqueueVisitor::VisitOMPMasterDirective(const OMPMasterDirective *D) {
2502 VisitOMPExecutableDirective(D);
2505 void EnqueueVisitor::VisitOMPCriticalDirective(const OMPCriticalDirective *D) {
2506 VisitOMPExecutableDirective(D);
2507 AddDeclarationNameInfo(D);
2511 EnqueueVisitor::VisitOMPParallelForDirective(const OMPParallelForDirective *D) {
2512 VisitOMPLoopDirective(D);
2515 void EnqueueVisitor::VisitOMPParallelForSimdDirective(
2516 const OMPParallelForSimdDirective *D) {
2517 VisitOMPLoopDirective(D);
2520 void EnqueueVisitor::VisitOMPParallelSectionsDirective(
2521 const OMPParallelSectionsDirective *D) {
2522 VisitOMPExecutableDirective(D);
2525 void EnqueueVisitor::VisitOMPTaskDirective(const OMPTaskDirective *D) {
2526 VisitOMPExecutableDirective(D);
2530 EnqueueVisitor::VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D) {
2531 VisitOMPExecutableDirective(D);
2534 void EnqueueVisitor::VisitOMPBarrierDirective(const OMPBarrierDirective *D) {
2535 VisitOMPExecutableDirective(D);
2538 void EnqueueVisitor::VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D) {
2539 VisitOMPExecutableDirective(D);
2542 void EnqueueVisitor::VisitOMPTaskgroupDirective(
2543 const OMPTaskgroupDirective *D) {
2544 VisitOMPExecutableDirective(D);
2547 void EnqueueVisitor::VisitOMPFlushDirective(const OMPFlushDirective *D) {
2548 VisitOMPExecutableDirective(D);
2551 void EnqueueVisitor::VisitOMPOrderedDirective(const OMPOrderedDirective *D) {
2552 VisitOMPExecutableDirective(D);
2555 void EnqueueVisitor::VisitOMPAtomicDirective(const OMPAtomicDirective *D) {
2556 VisitOMPExecutableDirective(D);
2559 void EnqueueVisitor::VisitOMPTargetDirective(const OMPTargetDirective *D) {
2560 VisitOMPExecutableDirective(D);
2563 void EnqueueVisitor::VisitOMPTargetDataDirective(const
2564 OMPTargetDataDirective *D) {
2565 VisitOMPExecutableDirective(D);
2568 void EnqueueVisitor::VisitOMPTeamsDirective(const OMPTeamsDirective *D) {
2569 VisitOMPExecutableDirective(D);
2572 void EnqueueVisitor::VisitOMPCancellationPointDirective(
2573 const OMPCancellationPointDirective *D) {
2574 VisitOMPExecutableDirective(D);
2577 void EnqueueVisitor::VisitOMPCancelDirective(const OMPCancelDirective *D) {
2578 VisitOMPExecutableDirective(D);
2581 void CursorVisitor::EnqueueWorkList(VisitorWorkList &WL, const Stmt *S) {
2582 EnqueueVisitor(WL, MakeCXCursor(S, StmtParent, TU,RegionOfInterest)).Visit(S);
2585 bool CursorVisitor::IsInRegionOfInterest(CXCursor C) {
2586 if (RegionOfInterest.isValid()) {
2587 SourceRange Range = getRawCursorExtent(C);
2588 if (Range.isInvalid() || CompareRegionOfInterest(Range))
2594 bool CursorVisitor::RunVisitorWorkList(VisitorWorkList &WL) {
2595 while (!WL.empty()) {
2596 // Dequeue the worklist item.
2597 VisitorJob LI = WL.pop_back_val();
2599 // Set the Parent field, then back to its old value once we're done.
2600 SetParentRAII SetParent(Parent, StmtParent, LI.getParent());
2602 switch (LI.getKind()) {
2603 case VisitorJob::DeclVisitKind: {
2604 const Decl *D = cast<DeclVisit>(&LI)->get();
2608 // For now, perform default visitation for Decls.
2609 if (Visit(MakeCXCursor(D, TU, RegionOfInterest,
2610 cast<DeclVisit>(&LI)->isFirst())))
2615 case VisitorJob::ExplicitTemplateArgsVisitKind: {
2616 const ASTTemplateArgumentListInfo *ArgList =
2617 cast<ExplicitTemplateArgsVisit>(&LI)->get();
2618 for (const TemplateArgumentLoc *Arg = ArgList->getTemplateArgs(),
2619 *ArgEnd = Arg + ArgList->NumTemplateArgs;
2620 Arg != ArgEnd; ++Arg) {
2621 if (VisitTemplateArgumentLoc(*Arg))
2626 case VisitorJob::TypeLocVisitKind: {
2627 // Perform default visitation for TypeLocs.
2628 if (Visit(cast<TypeLocVisit>(&LI)->get()))
2632 case VisitorJob::LabelRefVisitKind: {
2633 const LabelDecl *LS = cast<LabelRefVisit>(&LI)->get();
2634 if (LabelStmt *stmt = LS->getStmt()) {
2635 if (Visit(MakeCursorLabelRef(stmt, cast<LabelRefVisit>(&LI)->getLoc(),
2643 case VisitorJob::NestedNameSpecifierLocVisitKind: {
2644 NestedNameSpecifierLocVisit *V = cast<NestedNameSpecifierLocVisit>(&LI);
2645 if (VisitNestedNameSpecifierLoc(V->get()))
2650 case VisitorJob::DeclarationNameInfoVisitKind: {
2651 if (VisitDeclarationNameInfo(cast<DeclarationNameInfoVisit>(&LI)
2656 case VisitorJob::MemberRefVisitKind: {
2657 MemberRefVisit *V = cast<MemberRefVisit>(&LI);
2658 if (Visit(MakeCursorMemberRef(V->get(), V->getLoc(), TU)))
2662 case VisitorJob::StmtVisitKind: {
2663 const Stmt *S = cast<StmtVisit>(&LI)->get();
2667 // Update the current cursor.
2668 CXCursor Cursor = MakeCXCursor(S, StmtParent, TU, RegionOfInterest);
2669 if (!IsInRegionOfInterest(Cursor))
2671 switch (Visitor(Cursor, Parent, ClientData)) {
2672 case CXChildVisit_Break: return true;
2673 case CXChildVisit_Continue: break;
2674 case CXChildVisit_Recurse:
2675 if (PostChildrenVisitor)
2676 WL.push_back(PostChildrenVisit(nullptr, Cursor));
2677 EnqueueWorkList(WL, S);
2682 case VisitorJob::MemberExprPartsKind: {
2683 // Handle the other pieces in the MemberExpr besides the base.
2684 const MemberExpr *M = cast<MemberExprParts>(&LI)->get();
2686 // Visit the nested-name-specifier
2687 if (NestedNameSpecifierLoc QualifierLoc = M->getQualifierLoc())
2688 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2691 // Visit the declaration name.
2692 if (VisitDeclarationNameInfo(M->getMemberNameInfo()))
2695 // Visit the explicitly-specified template arguments, if any.
2696 if (M->hasExplicitTemplateArgs()) {
2697 for (const TemplateArgumentLoc *Arg = M->getTemplateArgs(),
2698 *ArgEnd = Arg + M->getNumTemplateArgs();
2699 Arg != ArgEnd; ++Arg) {
2700 if (VisitTemplateArgumentLoc(*Arg))
2706 case VisitorJob::DeclRefExprPartsKind: {
2707 const DeclRefExpr *DR = cast<DeclRefExprParts>(&LI)->get();
2708 // Visit nested-name-specifier, if present.
2709 if (NestedNameSpecifierLoc QualifierLoc = DR->getQualifierLoc())
2710 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2712 // Visit declaration name.
2713 if (VisitDeclarationNameInfo(DR->getNameInfo()))
2717 case VisitorJob::OverloadExprPartsKind: {
2718 const OverloadExpr *O = cast<OverloadExprParts>(&LI)->get();
2719 // Visit the nested-name-specifier.
2720 if (NestedNameSpecifierLoc QualifierLoc = O->getQualifierLoc())
2721 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2723 // Visit the declaration name.
2724 if (VisitDeclarationNameInfo(O->getNameInfo()))
2726 // Visit the overloaded declaration reference.
2727 if (Visit(MakeCursorOverloadedDeclRef(O, TU)))
2731 case VisitorJob::SizeOfPackExprPartsKind: {
2732 const SizeOfPackExpr *E = cast<SizeOfPackExprParts>(&LI)->get();
2733 NamedDecl *Pack = E->getPack();
2734 if (isa<TemplateTypeParmDecl>(Pack)) {
2735 if (Visit(MakeCursorTypeRef(cast<TemplateTypeParmDecl>(Pack),
2736 E->getPackLoc(), TU)))
2742 if (isa<TemplateTemplateParmDecl>(Pack)) {
2743 if (Visit(MakeCursorTemplateRef(cast<TemplateTemplateParmDecl>(Pack),
2744 E->getPackLoc(), TU)))
2750 // Non-type template parameter packs and function parameter packs are
2751 // treated like DeclRefExpr cursors.
2755 case VisitorJob::LambdaExprPartsKind: {
2757 const LambdaExpr *E = cast<LambdaExprParts>(&LI)->get();
2758 for (LambdaExpr::capture_iterator C = E->explicit_capture_begin(),
2759 CEnd = E->explicit_capture_end();
2761 // FIXME: Lambda init-captures.
2762 if (!C->capturesVariable())
2765 if (Visit(MakeCursorVariableRef(C->getCapturedVar(),
2771 // Visit parameters and return type, if present.
2772 if (E->hasExplicitParameters() || E->hasExplicitResultType()) {
2773 TypeLoc TL = E->getCallOperator()->getTypeSourceInfo()->getTypeLoc();
2774 if (E->hasExplicitParameters() && E->hasExplicitResultType()) {
2775 // Visit the whole type.
2778 } else if (FunctionProtoTypeLoc Proto =
2779 TL.getAs<FunctionProtoTypeLoc>()) {
2780 if (E->hasExplicitParameters()) {
2781 // Visit parameters.
2782 for (unsigned I = 0, N = Proto.getNumParams(); I != N; ++I)
2783 if (Visit(MakeCXCursor(Proto.getParam(I), TU)))
2786 // Visit result type.
2787 if (Visit(Proto.getReturnLoc()))
2795 case VisitorJob::PostChildrenVisitKind:
2796 if (PostChildrenVisitor(Parent, ClientData))
2804 bool CursorVisitor::Visit(const Stmt *S) {
2805 VisitorWorkList *WL = nullptr;
2806 if (!WorkListFreeList.empty()) {
2807 WL = WorkListFreeList.back();
2809 WorkListFreeList.pop_back();
2812 WL = new VisitorWorkList();
2813 WorkListCache.push_back(WL);
2815 EnqueueWorkList(*WL, S);
2816 bool result = RunVisitorWorkList(*WL);
2817 WorkListFreeList.push_back(WL);
2822 typedef SmallVector<SourceRange, 4> RefNamePieces;
2824 buildPieces(unsigned NameFlags, bool IsMemberRefExpr,
2825 const DeclarationNameInfo &NI, const SourceRange &QLoc,
2826 const ASTTemplateArgumentListInfo *TemplateArgs = nullptr) {
2827 const bool WantQualifier = NameFlags & CXNameRange_WantQualifier;
2828 const bool WantTemplateArgs = NameFlags & CXNameRange_WantTemplateArgs;
2829 const bool WantSinglePiece = NameFlags & CXNameRange_WantSinglePiece;
2831 const DeclarationName::NameKind Kind = NI.getName().getNameKind();
2833 RefNamePieces Pieces;
2835 if (WantQualifier && QLoc.isValid())
2836 Pieces.push_back(QLoc);
2838 if (Kind != DeclarationName::CXXOperatorName || IsMemberRefExpr)
2839 Pieces.push_back(NI.getLoc());
2841 if (WantTemplateArgs && TemplateArgs)
2842 Pieces.push_back(SourceRange(TemplateArgs->LAngleLoc,
2843 TemplateArgs->RAngleLoc));
2845 if (Kind == DeclarationName::CXXOperatorName) {
2846 Pieces.push_back(SourceLocation::getFromRawEncoding(
2847 NI.getInfo().CXXOperatorName.BeginOpNameLoc));
2848 Pieces.push_back(SourceLocation::getFromRawEncoding(
2849 NI.getInfo().CXXOperatorName.EndOpNameLoc));
2852 if (WantSinglePiece) {
2853 SourceRange R(Pieces.front().getBegin(), Pieces.back().getEnd());
2855 Pieces.push_back(R);
2862 //===----------------------------------------------------------------------===//
2864 //===----------------------------------------------------------------------===//
2866 static void fatal_error_handler(void *user_data, const std::string& reason,
2867 bool gen_crash_diag) {
2868 // Write the result out to stderr avoiding errs() because raw_ostreams can
2869 // call report_fatal_error.
2870 fprintf(stderr, "LIBCLANG FATAL ERROR: %s\n", reason.c_str());
2875 struct RegisterFatalErrorHandler {
2876 RegisterFatalErrorHandler() {
2877 llvm::install_fatal_error_handler(fatal_error_handler, nullptr);
2882 static llvm::ManagedStatic<RegisterFatalErrorHandler> RegisterFatalErrorHandlerOnce;
2885 CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
2886 int displayDiagnostics) {
2887 // We use crash recovery to make some of our APIs more reliable, implicitly
2889 if (!getenv("LIBCLANG_DISABLE_CRASH_RECOVERY"))
2890 llvm::CrashRecoveryContext::Enable();
2892 // Look through the managed static to trigger construction of the managed
2893 // static which registers our fatal error handler. This ensures it is only
2895 (void)*RegisterFatalErrorHandlerOnce;
2897 // Initialize targets for clang module support.
2898 llvm::InitializeAllTargets();
2899 llvm::InitializeAllTargetMCs();
2900 llvm::InitializeAllAsmPrinters();
2901 llvm::InitializeAllAsmParsers();
2903 CIndexer *CIdxr = new CIndexer();
2905 if (excludeDeclarationsFromPCH)
2906 CIdxr->setOnlyLocalDecls();
2907 if (displayDiagnostics)
2908 CIdxr->setDisplayDiagnostics();
2910 if (getenv("LIBCLANG_BGPRIO_INDEX"))
2911 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
2912 CXGlobalOpt_ThreadBackgroundPriorityForIndexing);
2913 if (getenv("LIBCLANG_BGPRIO_EDIT"))
2914 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
2915 CXGlobalOpt_ThreadBackgroundPriorityForEditing);
2920 void clang_disposeIndex(CXIndex CIdx) {
2922 delete static_cast<CIndexer *>(CIdx);
2925 void clang_CXIndex_setGlobalOptions(CXIndex CIdx, unsigned options) {
2927 static_cast<CIndexer *>(CIdx)->setCXGlobalOptFlags(options);
2930 unsigned clang_CXIndex_getGlobalOptions(CXIndex CIdx) {
2932 return static_cast<CIndexer *>(CIdx)->getCXGlobalOptFlags();
2936 void clang_toggleCrashRecovery(unsigned isEnabled) {
2938 llvm::CrashRecoveryContext::Enable();
2940 llvm::CrashRecoveryContext::Disable();
2943 CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
2944 const char *ast_filename) {
2945 CXTranslationUnit TU;
2946 enum CXErrorCode Result =
2947 clang_createTranslationUnit2(CIdx, ast_filename, &TU);
2949 assert((TU && Result == CXError_Success) ||
2950 (!TU && Result != CXError_Success));
2954 enum CXErrorCode clang_createTranslationUnit2(CXIndex CIdx,
2955 const char *ast_filename,
2956 CXTranslationUnit *out_TU) {
2960 if (!CIdx || !ast_filename || !out_TU)
2961 return CXError_InvalidArguments;
2964 *Log << ast_filename;
2967 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
2968 FileSystemOptions FileSystemOpts;
2970 IntrusiveRefCntPtr<DiagnosticsEngine> Diags =
2971 CompilerInstance::createDiagnostics(new DiagnosticOptions());
2972 std::unique_ptr<ASTUnit> AU = ASTUnit::LoadFromASTFile(
2973 ast_filename, CXXIdx->getPCHContainerOperations()->getRawReader(), Diags,
2974 FileSystemOpts, /*UseDebugInfo=*/false,
2975 CXXIdx->getOnlyLocalDecls(), None,
2976 /*CaptureDiagnostics=*/true,
2977 /*AllowPCHWithCompilerErrors=*/true,
2978 /*UserFilesAreVolatile=*/true);
2979 *out_TU = MakeCXTranslationUnit(CXXIdx, AU.release());
2980 return *out_TU ? CXError_Success : CXError_Failure;
2983 unsigned clang_defaultEditingTranslationUnitOptions() {
2984 return CXTranslationUnit_PrecompiledPreamble |
2985 CXTranslationUnit_CacheCompletionResults;
2989 clang_createTranslationUnitFromSourceFile(CXIndex CIdx,
2990 const char *source_filename,
2991 int num_command_line_args,
2992 const char * const *command_line_args,
2993 unsigned num_unsaved_files,
2994 struct CXUnsavedFile *unsaved_files) {
2995 unsigned Options = CXTranslationUnit_DetailedPreprocessingRecord;
2996 return clang_parseTranslationUnit(CIdx, source_filename,
2997 command_line_args, num_command_line_args,
2998 unsaved_files, num_unsaved_files,
3003 clang_parseTranslationUnit_Impl(CXIndex CIdx, const char *source_filename,
3004 const char *const *command_line_args,
3005 int num_command_line_args,
3006 ArrayRef<CXUnsavedFile> unsaved_files,
3007 unsigned options, CXTranslationUnit *out_TU) {
3008 // Set up the initial return values.
3013 if (!CIdx || !out_TU)
3014 return CXError_InvalidArguments;
3016 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3018 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3019 setThreadBackgroundPriority();
3021 bool PrecompilePreamble = options & CXTranslationUnit_PrecompiledPreamble;
3022 // FIXME: Add a flag for modules.
3023 TranslationUnitKind TUKind
3024 = (options & CXTranslationUnit_Incomplete)? TU_Prefix : TU_Complete;
3025 bool CacheCodeCompletionResults
3026 = options & CXTranslationUnit_CacheCompletionResults;
3027 bool IncludeBriefCommentsInCodeCompletion
3028 = options & CXTranslationUnit_IncludeBriefCommentsInCodeCompletion;
3029 bool SkipFunctionBodies = options & CXTranslationUnit_SkipFunctionBodies;
3030 bool ForSerialization = options & CXTranslationUnit_ForSerialization;
3032 // Configure the diagnostics.
3033 IntrusiveRefCntPtr<DiagnosticsEngine>
3034 Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions));
3036 // Recover resources if we crash before exiting this function.
3037 llvm::CrashRecoveryContextCleanupRegistrar<DiagnosticsEngine,
3038 llvm::CrashRecoveryContextReleaseRefCleanup<DiagnosticsEngine> >
3039 DiagCleanup(Diags.get());
3041 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3042 new std::vector<ASTUnit::RemappedFile>());
3044 // Recover resources if we crash before exiting this function.
3045 llvm::CrashRecoveryContextCleanupRegistrar<
3046 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3048 for (auto &UF : unsaved_files) {
3049 std::unique_ptr<llvm::MemoryBuffer> MB =
3050 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3051 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3054 std::unique_ptr<std::vector<const char *>> Args(
3055 new std::vector<const char *>());
3057 // Recover resources if we crash before exiting this method.
3058 llvm::CrashRecoveryContextCleanupRegistrar<std::vector<const char*> >
3059 ArgsCleanup(Args.get());
3061 // Since the Clang C library is primarily used by batch tools dealing with
3062 // (often very broken) source code, where spell-checking can have a
3063 // significant negative impact on performance (particularly when
3064 // precompiled headers are involved), we disable it by default.
3065 // Only do this if we haven't found a spell-checking-related argument.
3066 bool FoundSpellCheckingArgument = false;
3067 for (int I = 0; I != num_command_line_args; ++I) {
3068 if (strcmp(command_line_args[I], "-fno-spell-checking") == 0 ||
3069 strcmp(command_line_args[I], "-fspell-checking") == 0) {
3070 FoundSpellCheckingArgument = true;
3074 if (!FoundSpellCheckingArgument)
3075 Args->push_back("-fno-spell-checking");
3077 Args->insert(Args->end(), command_line_args,
3078 command_line_args + num_command_line_args);
3080 // The 'source_filename' argument is optional. If the caller does not
3081 // specify it then it is assumed that the source file is specified
3082 // in the actual argument list.
3083 // Put the source file after command_line_args otherwise if '-x' flag is
3084 // present it will be unused.
3085 if (source_filename)
3086 Args->push_back(source_filename);
3088 // Do we need the detailed preprocessing record?
3089 if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
3090 Args->push_back("-Xclang");
3091 Args->push_back("-detailed-preprocessing-record");
3094 unsigned NumErrors = Diags->getClient()->getNumErrors();
3095 std::unique_ptr<ASTUnit> ErrUnit;
3096 std::unique_ptr<ASTUnit> Unit(ASTUnit::LoadFromCommandLine(
3097 Args->data(), Args->data() + Args->size(),
3098 CXXIdx->getPCHContainerOperations(), Diags,
3099 CXXIdx->getClangResourcesPath(), CXXIdx->getOnlyLocalDecls(),
3100 /*CaptureDiagnostics=*/true, *RemappedFiles.get(),
3101 /*RemappedFilesKeepOriginalName=*/true, PrecompilePreamble, TUKind,
3102 CacheCodeCompletionResults, IncludeBriefCommentsInCodeCompletion,
3103 /*AllowPCHWithCompilerErrors=*/true, SkipFunctionBodies,
3104 /*UserFilesAreVolatile=*/true, ForSerialization, &ErrUnit));
3106 // Early failures in LoadFromCommandLine may return with ErrUnit unset.
3107 if (!Unit && !ErrUnit)
3108 return CXError_ASTReadError;
3110 if (NumErrors != Diags->getClient()->getNumErrors()) {
3111 // Make sure to check that 'Unit' is non-NULL.
3112 if (CXXIdx->getDisplayDiagnostics())
3113 printDiagsToStderr(Unit ? Unit.get() : ErrUnit.get());
3116 if (isASTReadError(Unit ? Unit.get() : ErrUnit.get()))
3117 return CXError_ASTReadError;
3119 *out_TU = MakeCXTranslationUnit(CXXIdx, Unit.release());
3120 return *out_TU ? CXError_Success : CXError_Failure;
3124 clang_parseTranslationUnit(CXIndex CIdx,
3125 const char *source_filename,
3126 const char *const *command_line_args,
3127 int num_command_line_args,
3128 struct CXUnsavedFile *unsaved_files,
3129 unsigned num_unsaved_files,
3131 CXTranslationUnit TU;
3132 enum CXErrorCode Result = clang_parseTranslationUnit2(
3133 CIdx, source_filename, command_line_args, num_command_line_args,
3134 unsaved_files, num_unsaved_files, options, &TU);
3136 assert((TU && Result == CXError_Success) ||
3137 (!TU && Result != CXError_Success));
3141 enum CXErrorCode clang_parseTranslationUnit2(
3143 const char *source_filename,
3144 const char *const *command_line_args,
3145 int num_command_line_args,
3146 struct CXUnsavedFile *unsaved_files,
3147 unsigned num_unsaved_files,
3149 CXTranslationUnit *out_TU) {
3151 *Log << source_filename << ": ";
3152 for (int i = 0; i != num_command_line_args; ++i)
3153 *Log << command_line_args[i] << " ";
3156 if (num_unsaved_files && !unsaved_files)
3157 return CXError_InvalidArguments;
3159 CXErrorCode result = CXError_Failure;
3160 auto ParseTranslationUnitImpl = [=, &result] {
3161 result = clang_parseTranslationUnit_Impl(
3162 CIdx, source_filename, command_line_args, num_command_line_args,
3163 llvm::makeArrayRef(unsaved_files, num_unsaved_files), options, out_TU);
3165 llvm::CrashRecoveryContext CRC;
3167 if (!RunSafely(CRC, ParseTranslationUnitImpl)) {
3168 fprintf(stderr, "libclang: crash detected during parsing: {\n");
3169 fprintf(stderr, " 'source_filename' : '%s'\n", source_filename);
3170 fprintf(stderr, " 'command_line_args' : [");
3171 for (int i = 0; i != num_command_line_args; ++i) {
3173 fprintf(stderr, ", ");
3174 fprintf(stderr, "'%s'", command_line_args[i]);
3176 fprintf(stderr, "],\n");
3177 fprintf(stderr, " 'unsaved_files' : [");
3178 for (unsigned i = 0; i != num_unsaved_files; ++i) {
3180 fprintf(stderr, ", ");
3181 fprintf(stderr, "('%s', '...', %ld)", unsaved_files[i].Filename,
3182 unsaved_files[i].Length);
3184 fprintf(stderr, "],\n");
3185 fprintf(stderr, " 'options' : %d,\n", options);
3186 fprintf(stderr, "}\n");
3188 return CXError_Crashed;
3189 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3190 if (CXTranslationUnit *TU = out_TU)
3191 PrintLibclangResourceUsage(*TU);
3197 unsigned clang_defaultSaveOptions(CXTranslationUnit TU) {
3198 return CXSaveTranslationUnit_None;
3201 static CXSaveError clang_saveTranslationUnit_Impl(CXTranslationUnit TU,
3202 const char *FileName,
3204 CIndexer *CXXIdx = TU->CIdx;
3205 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3206 setThreadBackgroundPriority();
3208 bool hadError = cxtu::getASTUnit(TU)->Save(FileName);
3209 return hadError ? CXSaveError_Unknown : CXSaveError_None;
3212 int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
3215 *Log << TU << ' ' << FileName;
3218 if (isNotUsableTU(TU)) {
3220 return CXSaveError_InvalidTU;
3223 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3224 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3225 if (!CXXUnit->hasSema())
3226 return CXSaveError_InvalidTU;
3229 auto SaveTranslationUnitImpl = [=, &result]() {
3230 result = clang_saveTranslationUnit_Impl(TU, FileName, options);
3233 if (!CXXUnit->getDiagnostics().hasUnrecoverableErrorOccurred() ||
3234 getenv("LIBCLANG_NOTHREADS")) {
3235 SaveTranslationUnitImpl();
3237 if (getenv("LIBCLANG_RESOURCE_USAGE"))
3238 PrintLibclangResourceUsage(TU);
3243 // We have an AST that has invalid nodes due to compiler errors.
3244 // Use a crash recovery thread for protection.
3246 llvm::CrashRecoveryContext CRC;
3248 if (!RunSafely(CRC, SaveTranslationUnitImpl)) {
3249 fprintf(stderr, "libclang: crash detected during AST saving: {\n");
3250 fprintf(stderr, " 'filename' : '%s'\n", FileName);
3251 fprintf(stderr, " 'options' : %d,\n", options);
3252 fprintf(stderr, "}\n");
3254 return CXSaveError_Unknown;
3256 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3257 PrintLibclangResourceUsage(TU);
3263 void clang_disposeTranslationUnit(CXTranslationUnit CTUnit) {
3265 // If the translation unit has been marked as unsafe to free, just discard
3267 ASTUnit *Unit = cxtu::getASTUnit(CTUnit);
3268 if (Unit && Unit->isUnsafeToFree())
3271 delete cxtu::getASTUnit(CTUnit);
3272 delete CTUnit->StringPool;
3273 delete static_cast<CXDiagnosticSetImpl *>(CTUnit->Diagnostics);
3274 disposeOverridenCXCursorsPool(CTUnit->OverridenCursorsPool);
3275 delete CTUnit->CommentToXML;
3280 unsigned clang_defaultReparseOptions(CXTranslationUnit TU) {
3281 return CXReparse_None;
3285 clang_reparseTranslationUnit_Impl(CXTranslationUnit TU,
3286 ArrayRef<CXUnsavedFile> unsaved_files,
3289 if (isNotUsableTU(TU)) {
3291 return CXError_InvalidArguments;
3294 // Reset the associated diagnostics.
3295 delete static_cast<CXDiagnosticSetImpl*>(TU->Diagnostics);
3296 TU->Diagnostics = nullptr;
3298 CIndexer *CXXIdx = TU->CIdx;
3299 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
3300 setThreadBackgroundPriority();
3302 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3303 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3305 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3306 new std::vector<ASTUnit::RemappedFile>());
3308 // Recover resources if we crash before exiting this function.
3309 llvm::CrashRecoveryContextCleanupRegistrar<
3310 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3312 for (auto &UF : unsaved_files) {
3313 std::unique_ptr<llvm::MemoryBuffer> MB =
3314 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3315 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3318 if (!CXXUnit->Reparse(CXXIdx->getPCHContainerOperations(),
3319 *RemappedFiles.get()))
3320 return CXError_Success;
3321 if (isASTReadError(CXXUnit))
3322 return CXError_ASTReadError;
3323 return CXError_Failure;
3326 int clang_reparseTranslationUnit(CXTranslationUnit TU,
3327 unsigned num_unsaved_files,
3328 struct CXUnsavedFile *unsaved_files,
3334 if (num_unsaved_files && !unsaved_files)
3335 return CXError_InvalidArguments;
3338 auto ReparseTranslationUnitImpl = [=, &result]() {
3339 result = clang_reparseTranslationUnit_Impl(
3340 TU, llvm::makeArrayRef(unsaved_files, num_unsaved_files), options);
3343 if (getenv("LIBCLANG_NOTHREADS")) {
3344 ReparseTranslationUnitImpl();
3348 llvm::CrashRecoveryContext CRC;
3350 if (!RunSafely(CRC, ReparseTranslationUnitImpl)) {
3351 fprintf(stderr, "libclang: crash detected during reparsing\n");
3352 cxtu::getASTUnit(TU)->setUnsafeToFree(true);
3353 return CXError_Crashed;
3354 } else if (getenv("LIBCLANG_RESOURCE_USAGE"))
3355 PrintLibclangResourceUsage(TU);
3361 CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
3362 if (isNotUsableTU(CTUnit)) {
3364 return cxstring::createEmpty();
3367 ASTUnit *CXXUnit = cxtu::getASTUnit(CTUnit);
3368 return cxstring::createDup(CXXUnit->getOriginalSourceFileName());
3371 CXCursor clang_getTranslationUnitCursor(CXTranslationUnit TU) {
3372 if (isNotUsableTU(TU)) {
3374 return clang_getNullCursor();
3377 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3378 return MakeCXCursor(CXXUnit->getASTContext().getTranslationUnitDecl(), TU);
3381 } // end: extern "C"
3383 //===----------------------------------------------------------------------===//
3384 // CXFile Operations.
3385 //===----------------------------------------------------------------------===//
3388 CXString clang_getFileName(CXFile SFile) {
3390 return cxstring::createNull();
3392 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3393 return cxstring::createRef(FEnt->getName());
3396 time_t clang_getFileTime(CXFile SFile) {
3400 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3401 return FEnt->getModificationTime();
3404 CXFile clang_getFile(CXTranslationUnit TU, const char *file_name) {
3405 if (isNotUsableTU(TU)) {
3410 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3412 FileManager &FMgr = CXXUnit->getFileManager();
3413 return const_cast<FileEntry *>(FMgr.getFile(file_name));
3416 unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit TU,
3418 if (isNotUsableTU(TU)) {
3426 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3427 FileEntry *FEnt = static_cast<FileEntry *>(file);
3428 return CXXUnit->getPreprocessor().getHeaderSearchInfo()
3429 .isFileMultipleIncludeGuarded(FEnt);
3432 int clang_getFileUniqueID(CXFile file, CXFileUniqueID *outID) {
3433 if (!file || !outID)
3436 FileEntry *FEnt = static_cast<FileEntry *>(file);
3437 const llvm::sys::fs::UniqueID &ID = FEnt->getUniqueID();
3438 outID->data[0] = ID.getDevice();
3439 outID->data[1] = ID.getFile();
3440 outID->data[2] = FEnt->getModificationTime();
3444 int clang_File_isEqual(CXFile file1, CXFile file2) {
3448 if (!file1 || !file2)
3451 FileEntry *FEnt1 = static_cast<FileEntry *>(file1);
3452 FileEntry *FEnt2 = static_cast<FileEntry *>(file2);
3453 return FEnt1->getUniqueID() == FEnt2->getUniqueID();
3456 } // end: extern "C"
3458 //===----------------------------------------------------------------------===//
3459 // CXCursor Operations.
3460 //===----------------------------------------------------------------------===//
3462 static const Decl *getDeclFromExpr(const Stmt *E) {
3463 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3464 return getDeclFromExpr(CE->getSubExpr());
3466 if (const DeclRefExpr *RefExpr = dyn_cast<DeclRefExpr>(E))
3467 return RefExpr->getDecl();
3468 if (const MemberExpr *ME = dyn_cast<MemberExpr>(E))
3469 return ME->getMemberDecl();
3470 if (const ObjCIvarRefExpr *RE = dyn_cast<ObjCIvarRefExpr>(E))
3471 return RE->getDecl();
3472 if (const ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(E)) {
3473 if (PRE->isExplicitProperty())
3474 return PRE->getExplicitProperty();
3475 // It could be messaging both getter and setter as in:
3477 // in which case prefer to associate the setter since it is less obvious
3478 // from inspecting the source that the setter is going to get called.
3479 if (PRE->isMessagingSetter())
3480 return PRE->getImplicitPropertySetter();
3481 return PRE->getImplicitPropertyGetter();
3483 if (const PseudoObjectExpr *POE = dyn_cast<PseudoObjectExpr>(E))
3484 return getDeclFromExpr(POE->getSyntacticForm());
3485 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E))
3486 if (Expr *Src = OVE->getSourceExpr())
3487 return getDeclFromExpr(Src);
3489 if (const CallExpr *CE = dyn_cast<CallExpr>(E))
3490 return getDeclFromExpr(CE->getCallee());
3491 if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E))
3492 if (!CE->isElidable())
3493 return CE->getConstructor();
3494 if (const ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(E))
3495 return OME->getMethodDecl();
3497 if (const ObjCProtocolExpr *PE = dyn_cast<ObjCProtocolExpr>(E))
3498 return PE->getProtocol();
3499 if (const SubstNonTypeTemplateParmPackExpr *NTTP
3500 = dyn_cast<SubstNonTypeTemplateParmPackExpr>(E))
3501 return NTTP->getParameterPack();
3502 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3503 if (isa<NonTypeTemplateParmDecl>(SizeOfPack->getPack()) ||
3504 isa<ParmVarDecl>(SizeOfPack->getPack()))
3505 return SizeOfPack->getPack();
3510 static SourceLocation getLocationFromExpr(const Expr *E) {
3511 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3512 return getLocationFromExpr(CE->getSubExpr());
3514 if (const ObjCMessageExpr *Msg = dyn_cast<ObjCMessageExpr>(E))
3515 return /*FIXME:*/Msg->getLeftLoc();
3516 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E))
3517 return DRE->getLocation();
3518 if (const MemberExpr *Member = dyn_cast<MemberExpr>(E))
3519 return Member->getMemberLoc();
3520 if (const ObjCIvarRefExpr *Ivar = dyn_cast<ObjCIvarRefExpr>(E))
3521 return Ivar->getLocation();
3522 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3523 return SizeOfPack->getPackLoc();
3524 if (const ObjCPropertyRefExpr *PropRef = dyn_cast<ObjCPropertyRefExpr>(E))
3525 return PropRef->getLocation();
3527 return E->getLocStart();
3532 unsigned clang_visitChildren(CXCursor parent,
3533 CXCursorVisitor visitor,
3534 CXClientData client_data) {
3535 CursorVisitor CursorVis(getCursorTU(parent), visitor, client_data,
3536 /*VisitPreprocessorLast=*/false);
3537 return CursorVis.VisitChildren(parent);
3540 #ifndef __has_feature
3541 #define __has_feature(x) 0
3543 #if __has_feature(blocks)
3544 typedef enum CXChildVisitResult
3545 (^CXCursorVisitorBlock)(CXCursor cursor, CXCursor parent);
3547 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
3548 CXClientData client_data) {
3549 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
3550 return block(cursor, parent);
3553 // If we are compiled with a compiler that doesn't have native blocks support,
3554 // define and call the block manually, so the
3555 typedef struct _CXChildVisitResult
3560 enum CXChildVisitResult(*invoke)(struct _CXChildVisitResult*, CXCursor,
3562 } *CXCursorVisitorBlock;
3564 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
3565 CXClientData client_data) {
3566 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
3567 return block->invoke(block, cursor, parent);
3572 unsigned clang_visitChildrenWithBlock(CXCursor parent,
3573 CXCursorVisitorBlock block) {
3574 return clang_visitChildren(parent, visitWithBlock, block);
3577 static CXString getDeclSpelling(const Decl *D) {
3579 return cxstring::createEmpty();
3581 const NamedDecl *ND = dyn_cast<NamedDecl>(D);
3583 if (const ObjCPropertyImplDecl *PropImpl =
3584 dyn_cast<ObjCPropertyImplDecl>(D))
3585 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
3586 return cxstring::createDup(Property->getIdentifier()->getName());
3588 if (const ImportDecl *ImportD = dyn_cast<ImportDecl>(D))
3589 if (Module *Mod = ImportD->getImportedModule())
3590 return cxstring::createDup(Mod->getFullModuleName());
3592 return cxstring::createEmpty();
3595 if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(ND))
3596 return cxstring::createDup(OMD->getSelector().getAsString());
3598 if (const ObjCCategoryImplDecl *CIMP = dyn_cast<ObjCCategoryImplDecl>(ND))
3599 // No, this isn't the same as the code below. getIdentifier() is non-virtual
3600 // and returns different names. NamedDecl returns the class name and
3601 // ObjCCategoryImplDecl returns the category name.
3602 return cxstring::createRef(CIMP->getIdentifier()->getNameStart());
3604 if (isa<UsingDirectiveDecl>(D))
3605 return cxstring::createEmpty();
3607 SmallString<1024> S;
3608 llvm::raw_svector_ostream os(S);
3611 return cxstring::createDup(os.str());
3614 CXString clang_getCursorSpelling(CXCursor C) {
3615 if (clang_isTranslationUnit(C.kind))
3616 return clang_getTranslationUnitSpelling(getCursorTU(C));
3618 if (clang_isReference(C.kind)) {
3620 case CXCursor_ObjCSuperClassRef: {
3621 const ObjCInterfaceDecl *Super = getCursorObjCSuperClassRef(C).first;
3622 return cxstring::createRef(Super->getIdentifier()->getNameStart());
3624 case CXCursor_ObjCClassRef: {
3625 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
3626 return cxstring::createRef(Class->getIdentifier()->getNameStart());
3628 case CXCursor_ObjCProtocolRef: {
3629 const ObjCProtocolDecl *OID = getCursorObjCProtocolRef(C).first;
3630 assert(OID && "getCursorSpelling(): Missing protocol decl");
3631 return cxstring::createRef(OID->getIdentifier()->getNameStart());
3633 case CXCursor_CXXBaseSpecifier: {
3634 const CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
3635 return cxstring::createDup(B->getType().getAsString());
3637 case CXCursor_TypeRef: {
3638 const TypeDecl *Type = getCursorTypeRef(C).first;
3639 assert(Type && "Missing type decl");
3641 return cxstring::createDup(getCursorContext(C).getTypeDeclType(Type).
3644 case CXCursor_TemplateRef: {
3645 const TemplateDecl *Template = getCursorTemplateRef(C).first;
3646 assert(Template && "Missing template decl");
3648 return cxstring::createDup(Template->getNameAsString());
3651 case CXCursor_NamespaceRef: {
3652 const NamedDecl *NS = getCursorNamespaceRef(C).first;
3653 assert(NS && "Missing namespace decl");
3655 return cxstring::createDup(NS->getNameAsString());
3658 case CXCursor_MemberRef: {
3659 const FieldDecl *Field = getCursorMemberRef(C).first;
3660 assert(Field && "Missing member decl");
3662 return cxstring::createDup(Field->getNameAsString());
3665 case CXCursor_LabelRef: {
3666 const LabelStmt *Label = getCursorLabelRef(C).first;
3667 assert(Label && "Missing label");
3669 return cxstring::createRef(Label->getName());
3672 case CXCursor_OverloadedDeclRef: {
3673 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
3674 if (const Decl *D = Storage.dyn_cast<const Decl *>()) {
3675 if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
3676 return cxstring::createDup(ND->getNameAsString());
3677 return cxstring::createEmpty();
3679 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
3680 return cxstring::createDup(E->getName().getAsString());
3681 OverloadedTemplateStorage *Ovl
3682 = Storage.get<OverloadedTemplateStorage*>();
3683 if (Ovl->size() == 0)
3684 return cxstring::createEmpty();
3685 return cxstring::createDup((*Ovl->begin())->getNameAsString());
3688 case CXCursor_VariableRef: {
3689 const VarDecl *Var = getCursorVariableRef(C).first;
3690 assert(Var && "Missing variable decl");
3692 return cxstring::createDup(Var->getNameAsString());
3696 return cxstring::createRef("<not implemented>");
3700 if (clang_isExpression(C.kind)) {
3701 const Expr *E = getCursorExpr(C);
3703 if (C.kind == CXCursor_ObjCStringLiteral ||
3704 C.kind == CXCursor_StringLiteral) {
3705 const StringLiteral *SLit;
3706 if (const ObjCStringLiteral *OSL = dyn_cast<ObjCStringLiteral>(E)) {
3707 SLit = OSL->getString();
3709 SLit = cast<StringLiteral>(E);
3711 SmallString<256> Buf;
3712 llvm::raw_svector_ostream OS(Buf);
3713 SLit->outputString(OS);
3714 return cxstring::createDup(OS.str());
3717 const Decl *D = getDeclFromExpr(getCursorExpr(C));
3719 return getDeclSpelling(D);
3720 return cxstring::createEmpty();
3723 if (clang_isStatement(C.kind)) {
3724 const Stmt *S = getCursorStmt(C);
3725 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S))
3726 return cxstring::createRef(Label->getName());
3728 return cxstring::createEmpty();
3731 if (C.kind == CXCursor_MacroExpansion)
3732 return cxstring::createRef(getCursorMacroExpansion(C).getName()
3735 if (C.kind == CXCursor_MacroDefinition)
3736 return cxstring::createRef(getCursorMacroDefinition(C)->getName()
3739 if (C.kind == CXCursor_InclusionDirective)
3740 return cxstring::createDup(getCursorInclusionDirective(C)->getFileName());
3742 if (clang_isDeclaration(C.kind))
3743 return getDeclSpelling(getCursorDecl(C));
3745 if (C.kind == CXCursor_AnnotateAttr) {
3746 const AnnotateAttr *AA = cast<AnnotateAttr>(cxcursor::getCursorAttr(C));
3747 return cxstring::createDup(AA->getAnnotation());
3750 if (C.kind == CXCursor_AsmLabelAttr) {
3751 const AsmLabelAttr *AA = cast<AsmLabelAttr>(cxcursor::getCursorAttr(C));
3752 return cxstring::createDup(AA->getLabel());
3755 if (C.kind == CXCursor_PackedAttr) {
3756 return cxstring::createRef("packed");
3759 return cxstring::createEmpty();
3762 CXSourceRange clang_Cursor_getSpellingNameRange(CXCursor C,
3763 unsigned pieceIndex,
3765 if (clang_Cursor_isNull(C))
3766 return clang_getNullRange();
3768 ASTContext &Ctx = getCursorContext(C);
3770 if (clang_isStatement(C.kind)) {
3771 const Stmt *S = getCursorStmt(C);
3772 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S)) {
3774 return clang_getNullRange();
3775 return cxloc::translateSourceRange(Ctx, Label->getIdentLoc());
3778 return clang_getNullRange();
3781 if (C.kind == CXCursor_ObjCMessageExpr) {
3782 if (const ObjCMessageExpr *
3783 ME = dyn_cast_or_null<ObjCMessageExpr>(getCursorExpr(C))) {
3784 if (pieceIndex >= ME->getNumSelectorLocs())
3785 return clang_getNullRange();
3786 return cxloc::translateSourceRange(Ctx, ME->getSelectorLoc(pieceIndex));
3790 if (C.kind == CXCursor_ObjCInstanceMethodDecl ||
3791 C.kind == CXCursor_ObjCClassMethodDecl) {
3792 if (const ObjCMethodDecl *
3793 MD = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(C))) {
3794 if (pieceIndex >= MD->getNumSelectorLocs())
3795 return clang_getNullRange();
3796 return cxloc::translateSourceRange(Ctx, MD->getSelectorLoc(pieceIndex));
3800 if (C.kind == CXCursor_ObjCCategoryDecl ||
3801 C.kind == CXCursor_ObjCCategoryImplDecl) {
3803 return clang_getNullRange();
3804 if (const ObjCCategoryDecl *
3805 CD = dyn_cast_or_null<ObjCCategoryDecl>(getCursorDecl(C)))
3806 return cxloc::translateSourceRange(Ctx, CD->getCategoryNameLoc());
3807 if (const ObjCCategoryImplDecl *
3808 CID = dyn_cast_or_null<ObjCCategoryImplDecl>(getCursorDecl(C)))
3809 return cxloc::translateSourceRange(Ctx, CID->getCategoryNameLoc());
3812 if (C.kind == CXCursor_ModuleImportDecl) {
3814 return clang_getNullRange();
3815 if (const ImportDecl *ImportD =
3816 dyn_cast_or_null<ImportDecl>(getCursorDecl(C))) {
3817 ArrayRef<SourceLocation> Locs = ImportD->getIdentifierLocs();
3819 return cxloc::translateSourceRange(Ctx,
3820 SourceRange(Locs.front(), Locs.back()));
3822 return clang_getNullRange();
3825 if (C.kind == CXCursor_CXXMethod || C.kind == CXCursor_Destructor ||
3826 C.kind == CXCursor_ConversionFunction) {
3828 return clang_getNullRange();
3829 if (const FunctionDecl *FD =
3830 dyn_cast_or_null<FunctionDecl>(getCursorDecl(C))) {
3831 DeclarationNameInfo FunctionName = FD->getNameInfo();
3832 return cxloc::translateSourceRange(Ctx, FunctionName.getSourceRange());
3834 return clang_getNullRange();
3837 // FIXME: A CXCursor_InclusionDirective should give the location of the
3838 // filename, but we don't keep track of this.
3840 // FIXME: A CXCursor_AnnotateAttr should give the location of the annotation
3841 // but we don't keep track of this.
3843 // FIXME: A CXCursor_AsmLabelAttr should give the location of the label
3844 // but we don't keep track of this.
3846 // Default handling, give the location of the cursor.
3849 return clang_getNullRange();
3851 CXSourceLocation CXLoc = clang_getCursorLocation(C);
3852 SourceLocation Loc = cxloc::translateSourceLocation(CXLoc);
3853 return cxloc::translateSourceRange(Ctx, Loc);
3856 CXString clang_Cursor_getMangling(CXCursor C) {
3857 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
3858 return cxstring::createEmpty();
3860 // Mangling only works for functions and variables.
3861 const Decl *D = getCursorDecl(C);
3862 if (!D || !(isa<FunctionDecl>(D) || isa<VarDecl>(D)))
3863 return cxstring::createEmpty();
3865 // First apply frontend mangling.
3866 const NamedDecl *ND = cast<NamedDecl>(D);
3867 ASTContext &Ctx = ND->getASTContext();
3868 std::unique_ptr<MangleContext> MC(Ctx.createMangleContext());
3870 std::string FrontendBuf;
3871 llvm::raw_string_ostream FrontendBufOS(FrontendBuf);
3872 MC->mangleName(ND, FrontendBufOS);
3874 // Now apply backend mangling.
3875 std::unique_ptr<llvm::DataLayout> DL(
3876 new llvm::DataLayout(Ctx.getTargetInfo().getDataLayoutString()));
3878 std::string FinalBuf;
3879 llvm::raw_string_ostream FinalBufOS(FinalBuf);
3880 llvm::Mangler::getNameWithPrefix(FinalBufOS, llvm::Twine(FrontendBufOS.str()),
3883 return cxstring::createDup(FinalBufOS.str());
3886 CXString clang_getCursorDisplayName(CXCursor C) {
3887 if (!clang_isDeclaration(C.kind))
3888 return clang_getCursorSpelling(C);
3890 const Decl *D = getCursorDecl(C);
3892 return cxstring::createEmpty();
3894 PrintingPolicy Policy = getCursorContext(C).getPrintingPolicy();
3895 if (const FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(D))
3896 D = FunTmpl->getTemplatedDecl();
3898 if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
3899 SmallString<64> Str;
3900 llvm::raw_svector_ostream OS(Str);
3902 if (Function->getPrimaryTemplate())
3905 for (unsigned I = 0, N = Function->getNumParams(); I != N; ++I) {
3908 OS << Function->getParamDecl(I)->getType().getAsString(Policy);
3911 if (Function->isVariadic()) {
3912 if (Function->getNumParams())
3917 return cxstring::createDup(OS.str());
3920 if (const ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(D)) {
3921 SmallString<64> Str;
3922 llvm::raw_svector_ostream OS(Str);
3923 OS << *ClassTemplate;
3925 TemplateParameterList *Params = ClassTemplate->getTemplateParameters();
3926 for (unsigned I = 0, N = Params->size(); I != N; ++I) {
3930 NamedDecl *Param = Params->getParam(I);
3931 if (Param->getIdentifier()) {
3932 OS << Param->getIdentifier()->getName();
3936 // There is no parameter name, which makes this tricky. Try to come up
3937 // with something useful that isn't too long.
3938 if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Param))
3939 OS << (TTP->wasDeclaredWithTypename()? "typename" : "class");
3940 else if (NonTypeTemplateParmDecl *NTTP
3941 = dyn_cast<NonTypeTemplateParmDecl>(Param))
3942 OS << NTTP->getType().getAsString(Policy);
3944 OS << "template<...> class";
3948 return cxstring::createDup(OS.str());
3951 if (const ClassTemplateSpecializationDecl *ClassSpec
3952 = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
3953 // If the type was explicitly written, use that.
3954 if (TypeSourceInfo *TSInfo = ClassSpec->getTypeAsWritten())
3955 return cxstring::createDup(TSInfo->getType().getAsString(Policy));
3957 SmallString<128> Str;
3958 llvm::raw_svector_ostream OS(Str);
3960 TemplateSpecializationType::PrintTemplateArgumentList(OS,
3961 ClassSpec->getTemplateArgs().data(),
3962 ClassSpec->getTemplateArgs().size(),
3964 return cxstring::createDup(OS.str());
3967 return clang_getCursorSpelling(C);
3970 CXString clang_getCursorKindSpelling(enum CXCursorKind Kind) {
3972 case CXCursor_FunctionDecl:
3973 return cxstring::createRef("FunctionDecl");
3974 case CXCursor_TypedefDecl:
3975 return cxstring::createRef("TypedefDecl");
3976 case CXCursor_EnumDecl:
3977 return cxstring::createRef("EnumDecl");
3978 case CXCursor_EnumConstantDecl:
3979 return cxstring::createRef("EnumConstantDecl");
3980 case CXCursor_StructDecl:
3981 return cxstring::createRef("StructDecl");
3982 case CXCursor_UnionDecl:
3983 return cxstring::createRef("UnionDecl");
3984 case CXCursor_ClassDecl:
3985 return cxstring::createRef("ClassDecl");
3986 case CXCursor_FieldDecl:
3987 return cxstring::createRef("FieldDecl");
3988 case CXCursor_VarDecl:
3989 return cxstring::createRef("VarDecl");
3990 case CXCursor_ParmDecl:
3991 return cxstring::createRef("ParmDecl");
3992 case CXCursor_ObjCInterfaceDecl:
3993 return cxstring::createRef("ObjCInterfaceDecl");
3994 case CXCursor_ObjCCategoryDecl:
3995 return cxstring::createRef("ObjCCategoryDecl");
3996 case CXCursor_ObjCProtocolDecl:
3997 return cxstring::createRef("ObjCProtocolDecl");
3998 case CXCursor_ObjCPropertyDecl:
3999 return cxstring::createRef("ObjCPropertyDecl");
4000 case CXCursor_ObjCIvarDecl:
4001 return cxstring::createRef("ObjCIvarDecl");
4002 case CXCursor_ObjCInstanceMethodDecl:
4003 return cxstring::createRef("ObjCInstanceMethodDecl");
4004 case CXCursor_ObjCClassMethodDecl:
4005 return cxstring::createRef("ObjCClassMethodDecl");
4006 case CXCursor_ObjCImplementationDecl:
4007 return cxstring::createRef("ObjCImplementationDecl");
4008 case CXCursor_ObjCCategoryImplDecl:
4009 return cxstring::createRef("ObjCCategoryImplDecl");
4010 case CXCursor_CXXMethod:
4011 return cxstring::createRef("CXXMethod");
4012 case CXCursor_UnexposedDecl:
4013 return cxstring::createRef("UnexposedDecl");
4014 case CXCursor_ObjCSuperClassRef:
4015 return cxstring::createRef("ObjCSuperClassRef");
4016 case CXCursor_ObjCProtocolRef:
4017 return cxstring::createRef("ObjCProtocolRef");
4018 case CXCursor_ObjCClassRef:
4019 return cxstring::createRef("ObjCClassRef");
4020 case CXCursor_TypeRef:
4021 return cxstring::createRef("TypeRef");
4022 case CXCursor_TemplateRef:
4023 return cxstring::createRef("TemplateRef");
4024 case CXCursor_NamespaceRef:
4025 return cxstring::createRef("NamespaceRef");
4026 case CXCursor_MemberRef:
4027 return cxstring::createRef("MemberRef");
4028 case CXCursor_LabelRef:
4029 return cxstring::createRef("LabelRef");
4030 case CXCursor_OverloadedDeclRef:
4031 return cxstring::createRef("OverloadedDeclRef");
4032 case CXCursor_VariableRef:
4033 return cxstring::createRef("VariableRef");
4034 case CXCursor_IntegerLiteral:
4035 return cxstring::createRef("IntegerLiteral");
4036 case CXCursor_FloatingLiteral:
4037 return cxstring::createRef("FloatingLiteral");
4038 case CXCursor_ImaginaryLiteral:
4039 return cxstring::createRef("ImaginaryLiteral");
4040 case CXCursor_StringLiteral:
4041 return cxstring::createRef("StringLiteral");
4042 case CXCursor_CharacterLiteral:
4043 return cxstring::createRef("CharacterLiteral");
4044 case CXCursor_ParenExpr:
4045 return cxstring::createRef("ParenExpr");
4046 case CXCursor_UnaryOperator:
4047 return cxstring::createRef("UnaryOperator");
4048 case CXCursor_ArraySubscriptExpr:
4049 return cxstring::createRef("ArraySubscriptExpr");
4050 case CXCursor_OMPArraySectionExpr:
4051 return cxstring::createRef("OMPArraySectionExpr");
4052 case CXCursor_BinaryOperator:
4053 return cxstring::createRef("BinaryOperator");
4054 case CXCursor_CompoundAssignOperator:
4055 return cxstring::createRef("CompoundAssignOperator");
4056 case CXCursor_ConditionalOperator:
4057 return cxstring::createRef("ConditionalOperator");
4058 case CXCursor_CStyleCastExpr:
4059 return cxstring::createRef("CStyleCastExpr");
4060 case CXCursor_CompoundLiteralExpr:
4061 return cxstring::createRef("CompoundLiteralExpr");
4062 case CXCursor_InitListExpr:
4063 return cxstring::createRef("InitListExpr");
4064 case CXCursor_AddrLabelExpr:
4065 return cxstring::createRef("AddrLabelExpr");
4066 case CXCursor_StmtExpr:
4067 return cxstring::createRef("StmtExpr");
4068 case CXCursor_GenericSelectionExpr:
4069 return cxstring::createRef("GenericSelectionExpr");
4070 case CXCursor_GNUNullExpr:
4071 return cxstring::createRef("GNUNullExpr");
4072 case CXCursor_CXXStaticCastExpr:
4073 return cxstring::createRef("CXXStaticCastExpr");
4074 case CXCursor_CXXDynamicCastExpr:
4075 return cxstring::createRef("CXXDynamicCastExpr");
4076 case CXCursor_CXXReinterpretCastExpr:
4077 return cxstring::createRef("CXXReinterpretCastExpr");
4078 case CXCursor_CXXConstCastExpr:
4079 return cxstring::createRef("CXXConstCastExpr");
4080 case CXCursor_CXXFunctionalCastExpr:
4081 return cxstring::createRef("CXXFunctionalCastExpr");
4082 case CXCursor_CXXTypeidExpr:
4083 return cxstring::createRef("CXXTypeidExpr");
4084 case CXCursor_CXXBoolLiteralExpr:
4085 return cxstring::createRef("CXXBoolLiteralExpr");
4086 case CXCursor_CXXNullPtrLiteralExpr:
4087 return cxstring::createRef("CXXNullPtrLiteralExpr");
4088 case CXCursor_CXXThisExpr:
4089 return cxstring::createRef("CXXThisExpr");
4090 case CXCursor_CXXThrowExpr:
4091 return cxstring::createRef("CXXThrowExpr");
4092 case CXCursor_CXXNewExpr:
4093 return cxstring::createRef("CXXNewExpr");
4094 case CXCursor_CXXDeleteExpr:
4095 return cxstring::createRef("CXXDeleteExpr");
4096 case CXCursor_UnaryExpr:
4097 return cxstring::createRef("UnaryExpr");
4098 case CXCursor_ObjCStringLiteral:
4099 return cxstring::createRef("ObjCStringLiteral");
4100 case CXCursor_ObjCBoolLiteralExpr:
4101 return cxstring::createRef("ObjCBoolLiteralExpr");
4102 case CXCursor_ObjCSelfExpr:
4103 return cxstring::createRef("ObjCSelfExpr");
4104 case CXCursor_ObjCEncodeExpr:
4105 return cxstring::createRef("ObjCEncodeExpr");
4106 case CXCursor_ObjCSelectorExpr:
4107 return cxstring::createRef("ObjCSelectorExpr");
4108 case CXCursor_ObjCProtocolExpr:
4109 return cxstring::createRef("ObjCProtocolExpr");
4110 case CXCursor_ObjCBridgedCastExpr:
4111 return cxstring::createRef("ObjCBridgedCastExpr");
4112 case CXCursor_BlockExpr:
4113 return cxstring::createRef("BlockExpr");
4114 case CXCursor_PackExpansionExpr:
4115 return cxstring::createRef("PackExpansionExpr");
4116 case CXCursor_SizeOfPackExpr:
4117 return cxstring::createRef("SizeOfPackExpr");
4118 case CXCursor_LambdaExpr:
4119 return cxstring::createRef("LambdaExpr");
4120 case CXCursor_UnexposedExpr:
4121 return cxstring::createRef("UnexposedExpr");
4122 case CXCursor_DeclRefExpr:
4123 return cxstring::createRef("DeclRefExpr");
4124 case CXCursor_MemberRefExpr:
4125 return cxstring::createRef("MemberRefExpr");
4126 case CXCursor_CallExpr:
4127 return cxstring::createRef("CallExpr");
4128 case CXCursor_ObjCMessageExpr:
4129 return cxstring::createRef("ObjCMessageExpr");
4130 case CXCursor_UnexposedStmt:
4131 return cxstring::createRef("UnexposedStmt");
4132 case CXCursor_DeclStmt:
4133 return cxstring::createRef("DeclStmt");
4134 case CXCursor_LabelStmt:
4135 return cxstring::createRef("LabelStmt");
4136 case CXCursor_CompoundStmt:
4137 return cxstring::createRef("CompoundStmt");
4138 case CXCursor_CaseStmt:
4139 return cxstring::createRef("CaseStmt");
4140 case CXCursor_DefaultStmt:
4141 return cxstring::createRef("DefaultStmt");
4142 case CXCursor_IfStmt:
4143 return cxstring::createRef("IfStmt");
4144 case CXCursor_SwitchStmt:
4145 return cxstring::createRef("SwitchStmt");
4146 case CXCursor_WhileStmt:
4147 return cxstring::createRef("WhileStmt");
4148 case CXCursor_DoStmt:
4149 return cxstring::createRef("DoStmt");
4150 case CXCursor_ForStmt:
4151 return cxstring::createRef("ForStmt");
4152 case CXCursor_GotoStmt:
4153 return cxstring::createRef("GotoStmt");
4154 case CXCursor_IndirectGotoStmt:
4155 return cxstring::createRef("IndirectGotoStmt");
4156 case CXCursor_ContinueStmt:
4157 return cxstring::createRef("ContinueStmt");
4158 case CXCursor_BreakStmt:
4159 return cxstring::createRef("BreakStmt");
4160 case CXCursor_ReturnStmt:
4161 return cxstring::createRef("ReturnStmt");
4162 case CXCursor_GCCAsmStmt:
4163 return cxstring::createRef("GCCAsmStmt");
4164 case CXCursor_MSAsmStmt:
4165 return cxstring::createRef("MSAsmStmt");
4166 case CXCursor_ObjCAtTryStmt:
4167 return cxstring::createRef("ObjCAtTryStmt");
4168 case CXCursor_ObjCAtCatchStmt:
4169 return cxstring::createRef("ObjCAtCatchStmt");
4170 case CXCursor_ObjCAtFinallyStmt:
4171 return cxstring::createRef("ObjCAtFinallyStmt");
4172 case CXCursor_ObjCAtThrowStmt:
4173 return cxstring::createRef("ObjCAtThrowStmt");
4174 case CXCursor_ObjCAtSynchronizedStmt:
4175 return cxstring::createRef("ObjCAtSynchronizedStmt");
4176 case CXCursor_ObjCAutoreleasePoolStmt:
4177 return cxstring::createRef("ObjCAutoreleasePoolStmt");
4178 case CXCursor_ObjCForCollectionStmt:
4179 return cxstring::createRef("ObjCForCollectionStmt");
4180 case CXCursor_CXXCatchStmt:
4181 return cxstring::createRef("CXXCatchStmt");
4182 case CXCursor_CXXTryStmt:
4183 return cxstring::createRef("CXXTryStmt");
4184 case CXCursor_CXXForRangeStmt:
4185 return cxstring::createRef("CXXForRangeStmt");
4186 case CXCursor_SEHTryStmt:
4187 return cxstring::createRef("SEHTryStmt");
4188 case CXCursor_SEHExceptStmt:
4189 return cxstring::createRef("SEHExceptStmt");
4190 case CXCursor_SEHFinallyStmt:
4191 return cxstring::createRef("SEHFinallyStmt");
4192 case CXCursor_SEHLeaveStmt:
4193 return cxstring::createRef("SEHLeaveStmt");
4194 case CXCursor_NullStmt:
4195 return cxstring::createRef("NullStmt");
4196 case CXCursor_InvalidFile:
4197 return cxstring::createRef("InvalidFile");
4198 case CXCursor_InvalidCode:
4199 return cxstring::createRef("InvalidCode");
4200 case CXCursor_NoDeclFound:
4201 return cxstring::createRef("NoDeclFound");
4202 case CXCursor_NotImplemented:
4203 return cxstring::createRef("NotImplemented");
4204 case CXCursor_TranslationUnit:
4205 return cxstring::createRef("TranslationUnit");
4206 case CXCursor_UnexposedAttr:
4207 return cxstring::createRef("UnexposedAttr");
4208 case CXCursor_IBActionAttr:
4209 return cxstring::createRef("attribute(ibaction)");
4210 case CXCursor_IBOutletAttr:
4211 return cxstring::createRef("attribute(iboutlet)");
4212 case CXCursor_IBOutletCollectionAttr:
4213 return cxstring::createRef("attribute(iboutletcollection)");
4214 case CXCursor_CXXFinalAttr:
4215 return cxstring::createRef("attribute(final)");
4216 case CXCursor_CXXOverrideAttr:
4217 return cxstring::createRef("attribute(override)");
4218 case CXCursor_AnnotateAttr:
4219 return cxstring::createRef("attribute(annotate)");
4220 case CXCursor_AsmLabelAttr:
4221 return cxstring::createRef("asm label");
4222 case CXCursor_PackedAttr:
4223 return cxstring::createRef("attribute(packed)");
4224 case CXCursor_PureAttr:
4225 return cxstring::createRef("attribute(pure)");
4226 case CXCursor_ConstAttr:
4227 return cxstring::createRef("attribute(const)");
4228 case CXCursor_NoDuplicateAttr:
4229 return cxstring::createRef("attribute(noduplicate)");
4230 case CXCursor_CUDAConstantAttr:
4231 return cxstring::createRef("attribute(constant)");
4232 case CXCursor_CUDADeviceAttr:
4233 return cxstring::createRef("attribute(device)");
4234 case CXCursor_CUDAGlobalAttr:
4235 return cxstring::createRef("attribute(global)");
4236 case CXCursor_CUDAHostAttr:
4237 return cxstring::createRef("attribute(host)");
4238 case CXCursor_CUDASharedAttr:
4239 return cxstring::createRef("attribute(shared)");
4240 case CXCursor_PreprocessingDirective:
4241 return cxstring::createRef("preprocessing directive");
4242 case CXCursor_MacroDefinition:
4243 return cxstring::createRef("macro definition");
4244 case CXCursor_MacroExpansion:
4245 return cxstring::createRef("macro expansion");
4246 case CXCursor_InclusionDirective:
4247 return cxstring::createRef("inclusion directive");
4248 case CXCursor_Namespace:
4249 return cxstring::createRef("Namespace");
4250 case CXCursor_LinkageSpec:
4251 return cxstring::createRef("LinkageSpec");
4252 case CXCursor_CXXBaseSpecifier:
4253 return cxstring::createRef("C++ base class specifier");
4254 case CXCursor_Constructor:
4255 return cxstring::createRef("CXXConstructor");
4256 case CXCursor_Destructor:
4257 return cxstring::createRef("CXXDestructor");
4258 case CXCursor_ConversionFunction:
4259 return cxstring::createRef("CXXConversion");
4260 case CXCursor_TemplateTypeParameter:
4261 return cxstring::createRef("TemplateTypeParameter");
4262 case CXCursor_NonTypeTemplateParameter:
4263 return cxstring::createRef("NonTypeTemplateParameter");
4264 case CXCursor_TemplateTemplateParameter:
4265 return cxstring::createRef("TemplateTemplateParameter");
4266 case CXCursor_FunctionTemplate:
4267 return cxstring::createRef("FunctionTemplate");
4268 case CXCursor_ClassTemplate:
4269 return cxstring::createRef("ClassTemplate");
4270 case CXCursor_ClassTemplatePartialSpecialization:
4271 return cxstring::createRef("ClassTemplatePartialSpecialization");
4272 case CXCursor_NamespaceAlias:
4273 return cxstring::createRef("NamespaceAlias");
4274 case CXCursor_UsingDirective:
4275 return cxstring::createRef("UsingDirective");
4276 case CXCursor_UsingDeclaration:
4277 return cxstring::createRef("UsingDeclaration");
4278 case CXCursor_TypeAliasDecl:
4279 return cxstring::createRef("TypeAliasDecl");
4280 case CXCursor_ObjCSynthesizeDecl:
4281 return cxstring::createRef("ObjCSynthesizeDecl");
4282 case CXCursor_ObjCDynamicDecl:
4283 return cxstring::createRef("ObjCDynamicDecl");
4284 case CXCursor_CXXAccessSpecifier:
4285 return cxstring::createRef("CXXAccessSpecifier");
4286 case CXCursor_ModuleImportDecl:
4287 return cxstring::createRef("ModuleImport");
4288 case CXCursor_OMPParallelDirective:
4289 return cxstring::createRef("OMPParallelDirective");
4290 case CXCursor_OMPSimdDirective:
4291 return cxstring::createRef("OMPSimdDirective");
4292 case CXCursor_OMPForDirective:
4293 return cxstring::createRef("OMPForDirective");
4294 case CXCursor_OMPForSimdDirective:
4295 return cxstring::createRef("OMPForSimdDirective");
4296 case CXCursor_OMPSectionsDirective:
4297 return cxstring::createRef("OMPSectionsDirective");
4298 case CXCursor_OMPSectionDirective:
4299 return cxstring::createRef("OMPSectionDirective");
4300 case CXCursor_OMPSingleDirective:
4301 return cxstring::createRef("OMPSingleDirective");
4302 case CXCursor_OMPMasterDirective:
4303 return cxstring::createRef("OMPMasterDirective");
4304 case CXCursor_OMPCriticalDirective:
4305 return cxstring::createRef("OMPCriticalDirective");
4306 case CXCursor_OMPParallelForDirective:
4307 return cxstring::createRef("OMPParallelForDirective");
4308 case CXCursor_OMPParallelForSimdDirective:
4309 return cxstring::createRef("OMPParallelForSimdDirective");
4310 case CXCursor_OMPParallelSectionsDirective:
4311 return cxstring::createRef("OMPParallelSectionsDirective");
4312 case CXCursor_OMPTaskDirective:
4313 return cxstring::createRef("OMPTaskDirective");
4314 case CXCursor_OMPTaskyieldDirective:
4315 return cxstring::createRef("OMPTaskyieldDirective");
4316 case CXCursor_OMPBarrierDirective:
4317 return cxstring::createRef("OMPBarrierDirective");
4318 case CXCursor_OMPTaskwaitDirective:
4319 return cxstring::createRef("OMPTaskwaitDirective");
4320 case CXCursor_OMPTaskgroupDirective:
4321 return cxstring::createRef("OMPTaskgroupDirective");
4322 case CXCursor_OMPFlushDirective:
4323 return cxstring::createRef("OMPFlushDirective");
4324 case CXCursor_OMPOrderedDirective:
4325 return cxstring::createRef("OMPOrderedDirective");
4326 case CXCursor_OMPAtomicDirective:
4327 return cxstring::createRef("OMPAtomicDirective");
4328 case CXCursor_OMPTargetDirective:
4329 return cxstring::createRef("OMPTargetDirective");
4330 case CXCursor_OMPTargetDataDirective:
4331 return cxstring::createRef("OMPTargetDataDirective");
4332 case CXCursor_OMPTeamsDirective:
4333 return cxstring::createRef("OMPTeamsDirective");
4334 case CXCursor_OMPCancellationPointDirective:
4335 return cxstring::createRef("OMPCancellationPointDirective");
4336 case CXCursor_OMPCancelDirective:
4337 return cxstring::createRef("OMPCancelDirective");
4338 case CXCursor_OverloadCandidate:
4339 return cxstring::createRef("OverloadCandidate");
4342 llvm_unreachable("Unhandled CXCursorKind");
4345 struct GetCursorData {
4346 SourceLocation TokenBeginLoc;
4347 bool PointsAtMacroArgExpansion;
4348 bool VisitedObjCPropertyImplDecl;
4349 SourceLocation VisitedDeclaratorDeclStartLoc;
4350 CXCursor &BestCursor;
4352 GetCursorData(SourceManager &SM,
4353 SourceLocation tokenBegin, CXCursor &outputCursor)
4354 : TokenBeginLoc(tokenBegin), BestCursor(outputCursor) {
4355 PointsAtMacroArgExpansion = SM.isMacroArgExpansion(tokenBegin);
4356 VisitedObjCPropertyImplDecl = false;
4360 static enum CXChildVisitResult GetCursorVisitor(CXCursor cursor,
4362 CXClientData client_data) {
4363 GetCursorData *Data = static_cast<GetCursorData *>(client_data);
4364 CXCursor *BestCursor = &Data->BestCursor;
4366 // If we point inside a macro argument we should provide info of what the
4367 // token is so use the actual cursor, don't replace it with a macro expansion
4369 if (cursor.kind == CXCursor_MacroExpansion && Data->PointsAtMacroArgExpansion)
4370 return CXChildVisit_Recurse;
4372 if (clang_isDeclaration(cursor.kind)) {
4373 // Avoid having the implicit methods override the property decls.
4374 if (const ObjCMethodDecl *MD
4375 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
4376 if (MD->isImplicit())
4377 return CXChildVisit_Break;
4379 } else if (const ObjCInterfaceDecl *ID
4380 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(cursor))) {
4381 // Check that when we have multiple @class references in the same line,
4382 // that later ones do not override the previous ones.
4385 // source ranges for both start at '@', so 'Bar' will end up overriding
4386 // 'Foo' even though the cursor location was at 'Foo'.
4387 if (BestCursor->kind == CXCursor_ObjCInterfaceDecl ||
4388 BestCursor->kind == CXCursor_ObjCClassRef)
4389 if (const ObjCInterfaceDecl *PrevID
4390 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(*BestCursor))){
4392 !PrevID->isThisDeclarationADefinition() &&
4393 !ID->isThisDeclarationADefinition())
4394 return CXChildVisit_Break;
4397 } else if (const DeclaratorDecl *DD
4398 = dyn_cast_or_null<DeclaratorDecl>(getCursorDecl(cursor))) {
4399 SourceLocation StartLoc = DD->getSourceRange().getBegin();
4400 // Check that when we have multiple declarators in the same line,
4401 // that later ones do not override the previous ones.
4404 // source ranges for both start at 'int', so 'Bar' will end up overriding
4405 // 'Foo' even though the cursor location was at 'Foo'.
4406 if (Data->VisitedDeclaratorDeclStartLoc == StartLoc)
4407 return CXChildVisit_Break;
4408 Data->VisitedDeclaratorDeclStartLoc = StartLoc;
4410 } else if (const ObjCPropertyImplDecl *PropImp
4411 = dyn_cast_or_null<ObjCPropertyImplDecl>(getCursorDecl(cursor))) {
4413 // Check that when we have multiple @synthesize in the same line,
4414 // that later ones do not override the previous ones.
4416 // @synthesize Foo, Bar;
4417 // source ranges for both start at '@', so 'Bar' will end up overriding
4418 // 'Foo' even though the cursor location was at 'Foo'.
4419 if (Data->VisitedObjCPropertyImplDecl)
4420 return CXChildVisit_Break;
4421 Data->VisitedObjCPropertyImplDecl = true;
4425 if (clang_isExpression(cursor.kind) &&
4426 clang_isDeclaration(BestCursor->kind)) {
4427 if (const Decl *D = getCursorDecl(*BestCursor)) {
4428 // Avoid having the cursor of an expression replace the declaration cursor
4429 // when the expression source range overlaps the declaration range.
4430 // This can happen for C++ constructor expressions whose range generally
4431 // include the variable declaration, e.g.:
4432 // MyCXXClass foo; // Make sure pointing at 'foo' returns a VarDecl cursor.
4433 if (D->getLocation().isValid() && Data->TokenBeginLoc.isValid() &&
4434 D->getLocation() == Data->TokenBeginLoc)
4435 return CXChildVisit_Break;
4439 // If our current best cursor is the construction of a temporary object,
4440 // don't replace that cursor with a type reference, because we want
4441 // clang_getCursor() to point at the constructor.
4442 if (clang_isExpression(BestCursor->kind) &&
4443 isa<CXXTemporaryObjectExpr>(getCursorExpr(*BestCursor)) &&
4444 cursor.kind == CXCursor_TypeRef) {
4445 // Keep the cursor pointing at CXXTemporaryObjectExpr but also mark it
4446 // as having the actual point on the type reference.
4447 *BestCursor = getTypeRefedCallExprCursor(*BestCursor);
4448 return CXChildVisit_Recurse;
4451 // If we already have an Objective-C superclass reference, don't
4452 // update it further.
4453 if (BestCursor->kind == CXCursor_ObjCSuperClassRef)
4454 return CXChildVisit_Break;
4456 *BestCursor = cursor;
4457 return CXChildVisit_Recurse;
4460 CXCursor clang_getCursor(CXTranslationUnit TU, CXSourceLocation Loc) {
4461 if (isNotUsableTU(TU)) {
4463 return clang_getNullCursor();
4466 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4467 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
4469 SourceLocation SLoc = cxloc::translateSourceLocation(Loc);
4470 CXCursor Result = cxcursor::getCursor(TU, SLoc);
4474 unsigned SearchLine, SearchColumn;
4476 unsigned ResultLine, ResultColumn;
4477 CXString SearchFileName, ResultFileName, KindSpelling, USR;
4478 const char *IsDef = clang_isCursorDefinition(Result)? " (Definition)" : "";
4479 CXSourceLocation ResultLoc = clang_getCursorLocation(Result);
4481 clang_getFileLocation(Loc, &SearchFile, &SearchLine, &SearchColumn,
4483 clang_getFileLocation(ResultLoc, &ResultFile, &ResultLine,
4484 &ResultColumn, nullptr);
4485 SearchFileName = clang_getFileName(SearchFile);
4486 ResultFileName = clang_getFileName(ResultFile);
4487 KindSpelling = clang_getCursorKindSpelling(Result.kind);
4488 USR = clang_getCursorUSR(Result);
4489 *Log << llvm::format("(%s:%d:%d) = %s",
4490 clang_getCString(SearchFileName), SearchLine, SearchColumn,
4491 clang_getCString(KindSpelling))
4492 << llvm::format("(%s:%d:%d):%s%s",
4493 clang_getCString(ResultFileName), ResultLine, ResultColumn,
4494 clang_getCString(USR), IsDef);
4495 clang_disposeString(SearchFileName);
4496 clang_disposeString(ResultFileName);
4497 clang_disposeString(KindSpelling);
4498 clang_disposeString(USR);
4500 CXCursor Definition = clang_getCursorDefinition(Result);
4501 if (!clang_equalCursors(Definition, clang_getNullCursor())) {
4502 CXSourceLocation DefinitionLoc = clang_getCursorLocation(Definition);
4503 CXString DefinitionKindSpelling
4504 = clang_getCursorKindSpelling(Definition.kind);
4505 CXFile DefinitionFile;
4506 unsigned DefinitionLine, DefinitionColumn;
4507 clang_getFileLocation(DefinitionLoc, &DefinitionFile,
4508 &DefinitionLine, &DefinitionColumn, nullptr);
4509 CXString DefinitionFileName = clang_getFileName(DefinitionFile);
4510 *Log << llvm::format(" -> %s(%s:%d:%d)",
4511 clang_getCString(DefinitionKindSpelling),
4512 clang_getCString(DefinitionFileName),
4513 DefinitionLine, DefinitionColumn);
4514 clang_disposeString(DefinitionFileName);
4515 clang_disposeString(DefinitionKindSpelling);
4522 CXCursor clang_getNullCursor(void) {
4523 return MakeCXCursorInvalid(CXCursor_InvalidFile);
4526 unsigned clang_equalCursors(CXCursor X, CXCursor Y) {
4527 // Clear out the "FirstInDeclGroup" part in a declaration cursor, since we
4528 // can't set consistently. For example, when visiting a DeclStmt we will set
4529 // it but we don't set it on the result of clang_getCursorDefinition for
4530 // a reference of the same declaration.
4531 // FIXME: Setting "FirstInDeclGroup" in CXCursors is a hack that only works
4532 // when visiting a DeclStmt currently, the AST should be enhanced to be able
4533 // to provide that kind of info.
4534 if (clang_isDeclaration(X.kind))
4535 X.data[1] = nullptr;
4536 if (clang_isDeclaration(Y.kind))
4537 Y.data[1] = nullptr;
4542 unsigned clang_hashCursor(CXCursor C) {
4544 if (clang_isExpression(C.kind) || clang_isStatement(C.kind))
4547 return llvm::DenseMapInfo<std::pair<unsigned, const void*> >::getHashValue(
4548 std::make_pair(C.kind, C.data[Index]));
4551 unsigned clang_isInvalid(enum CXCursorKind K) {
4552 return K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid;
4555 unsigned clang_isDeclaration(enum CXCursorKind K) {
4556 return (K >= CXCursor_FirstDecl && K <= CXCursor_LastDecl) ||
4557 (K >= CXCursor_FirstExtraDecl && K <= CXCursor_LastExtraDecl);
4560 unsigned clang_isReference(enum CXCursorKind K) {
4561 return K >= CXCursor_FirstRef && K <= CXCursor_LastRef;
4564 unsigned clang_isExpression(enum CXCursorKind K) {
4565 return K >= CXCursor_FirstExpr && K <= CXCursor_LastExpr;
4568 unsigned clang_isStatement(enum CXCursorKind K) {
4569 return K >= CXCursor_FirstStmt && K <= CXCursor_LastStmt;
4572 unsigned clang_isAttribute(enum CXCursorKind K) {
4573 return K >= CXCursor_FirstAttr && K <= CXCursor_LastAttr;
4576 unsigned clang_isTranslationUnit(enum CXCursorKind K) {
4577 return K == CXCursor_TranslationUnit;
4580 unsigned clang_isPreprocessing(enum CXCursorKind K) {
4581 return K >= CXCursor_FirstPreprocessing && K <= CXCursor_LastPreprocessing;
4584 unsigned clang_isUnexposed(enum CXCursorKind K) {
4586 case CXCursor_UnexposedDecl:
4587 case CXCursor_UnexposedExpr:
4588 case CXCursor_UnexposedStmt:
4589 case CXCursor_UnexposedAttr:
4596 CXCursorKind clang_getCursorKind(CXCursor C) {
4600 CXSourceLocation clang_getCursorLocation(CXCursor C) {
4601 if (clang_isReference(C.kind)) {
4603 case CXCursor_ObjCSuperClassRef: {
4604 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
4605 = getCursorObjCSuperClassRef(C);
4606 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4609 case CXCursor_ObjCProtocolRef: {
4610 std::pair<const ObjCProtocolDecl *, SourceLocation> P
4611 = getCursorObjCProtocolRef(C);
4612 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4615 case CXCursor_ObjCClassRef: {
4616 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
4617 = getCursorObjCClassRef(C);
4618 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4621 case CXCursor_TypeRef: {
4622 std::pair<const TypeDecl *, SourceLocation> P = getCursorTypeRef(C);
4623 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4626 case CXCursor_TemplateRef: {
4627 std::pair<const TemplateDecl *, SourceLocation> P =
4628 getCursorTemplateRef(C);
4629 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4632 case CXCursor_NamespaceRef: {
4633 std::pair<const NamedDecl *, SourceLocation> P = getCursorNamespaceRef(C);
4634 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4637 case CXCursor_MemberRef: {
4638 std::pair<const FieldDecl *, SourceLocation> P = getCursorMemberRef(C);
4639 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4642 case CXCursor_VariableRef: {
4643 std::pair<const VarDecl *, SourceLocation> P = getCursorVariableRef(C);
4644 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4647 case CXCursor_CXXBaseSpecifier: {
4648 const CXXBaseSpecifier *BaseSpec = getCursorCXXBaseSpecifier(C);
4650 return clang_getNullLocation();
4652 if (TypeSourceInfo *TSInfo = BaseSpec->getTypeSourceInfo())
4653 return cxloc::translateSourceLocation(getCursorContext(C),
4654 TSInfo->getTypeLoc().getBeginLoc());
4656 return cxloc::translateSourceLocation(getCursorContext(C),
4657 BaseSpec->getLocStart());
4660 case CXCursor_LabelRef: {
4661 std::pair<const LabelStmt *, SourceLocation> P = getCursorLabelRef(C);
4662 return cxloc::translateSourceLocation(getCursorContext(C), P.second);
4665 case CXCursor_OverloadedDeclRef:
4666 return cxloc::translateSourceLocation(getCursorContext(C),
4667 getCursorOverloadedDeclRef(C).second);
4670 // FIXME: Need a way to enumerate all non-reference cases.
4671 llvm_unreachable("Missed a reference kind");
4675 if (clang_isExpression(C.kind))
4676 return cxloc::translateSourceLocation(getCursorContext(C),
4677 getLocationFromExpr(getCursorExpr(C)));
4679 if (clang_isStatement(C.kind))
4680 return cxloc::translateSourceLocation(getCursorContext(C),
4681 getCursorStmt(C)->getLocStart());
4683 if (C.kind == CXCursor_PreprocessingDirective) {
4684 SourceLocation L = cxcursor::getCursorPreprocessingDirective(C).getBegin();
4685 return cxloc::translateSourceLocation(getCursorContext(C), L);
4688 if (C.kind == CXCursor_MacroExpansion) {
4690 = cxcursor::getCursorMacroExpansion(C).getSourceRange().getBegin();
4691 return cxloc::translateSourceLocation(getCursorContext(C), L);
4694 if (C.kind == CXCursor_MacroDefinition) {
4695 SourceLocation L = cxcursor::getCursorMacroDefinition(C)->getLocation();
4696 return cxloc::translateSourceLocation(getCursorContext(C), L);
4699 if (C.kind == CXCursor_InclusionDirective) {
4701 = cxcursor::getCursorInclusionDirective(C)->getSourceRange().getBegin();
4702 return cxloc::translateSourceLocation(getCursorContext(C), L);
4705 if (clang_isAttribute(C.kind)) {
4707 = cxcursor::getCursorAttr(C)->getLocation();
4708 return cxloc::translateSourceLocation(getCursorContext(C), L);
4711 if (!clang_isDeclaration(C.kind))
4712 return clang_getNullLocation();
4714 const Decl *D = getCursorDecl(C);
4716 return clang_getNullLocation();
4718 SourceLocation Loc = D->getLocation();
4719 // FIXME: Multiple variables declared in a single declaration
4720 // currently lack the information needed to correctly determine their
4721 // ranges when accounting for the type-specifier. We use context
4722 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
4723 // and if so, whether it is the first decl.
4724 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
4725 if (!cxcursor::isFirstInDeclGroup(C))
4726 Loc = VD->getLocation();
4729 // For ObjC methods, give the start location of the method name.
4730 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
4731 Loc = MD->getSelectorStartLoc();
4733 return cxloc::translateSourceLocation(getCursorContext(C), Loc);
4738 CXCursor cxcursor::getCursor(CXTranslationUnit TU, SourceLocation SLoc) {
4741 // Guard against an invalid SourceLocation, or we may assert in one
4742 // of the following calls.
4743 if (SLoc.isInvalid())
4744 return clang_getNullCursor();
4746 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4748 // Translate the given source location to make it point at the beginning of
4749 // the token under the cursor.
4750 SLoc = Lexer::GetBeginningOfToken(SLoc, CXXUnit->getSourceManager(),
4751 CXXUnit->getASTContext().getLangOpts());
4753 CXCursor Result = MakeCXCursorInvalid(CXCursor_NoDeclFound);
4754 if (SLoc.isValid()) {
4755 GetCursorData ResultData(CXXUnit->getSourceManager(), SLoc, Result);
4756 CursorVisitor CursorVis(TU, GetCursorVisitor, &ResultData,
4757 /*VisitPreprocessorLast=*/true,
4758 /*VisitIncludedEntities=*/false,
4759 SourceLocation(SLoc));
4760 CursorVis.visitFileRegion();
4766 static SourceRange getRawCursorExtent(CXCursor C) {
4767 if (clang_isReference(C.kind)) {
4769 case CXCursor_ObjCSuperClassRef:
4770 return getCursorObjCSuperClassRef(C).second;
4772 case CXCursor_ObjCProtocolRef:
4773 return getCursorObjCProtocolRef(C).second;
4775 case CXCursor_ObjCClassRef:
4776 return getCursorObjCClassRef(C).second;
4778 case CXCursor_TypeRef:
4779 return getCursorTypeRef(C).second;
4781 case CXCursor_TemplateRef:
4782 return getCursorTemplateRef(C).second;
4784 case CXCursor_NamespaceRef:
4785 return getCursorNamespaceRef(C).second;
4787 case CXCursor_MemberRef:
4788 return getCursorMemberRef(C).second;
4790 case CXCursor_CXXBaseSpecifier:
4791 return getCursorCXXBaseSpecifier(C)->getSourceRange();
4793 case CXCursor_LabelRef:
4794 return getCursorLabelRef(C).second;
4796 case CXCursor_OverloadedDeclRef:
4797 return getCursorOverloadedDeclRef(C).second;
4799 case CXCursor_VariableRef:
4800 return getCursorVariableRef(C).second;
4803 // FIXME: Need a way to enumerate all non-reference cases.
4804 llvm_unreachable("Missed a reference kind");
4808 if (clang_isExpression(C.kind))
4809 return getCursorExpr(C)->getSourceRange();
4811 if (clang_isStatement(C.kind))
4812 return getCursorStmt(C)->getSourceRange();
4814 if (clang_isAttribute(C.kind))
4815 return getCursorAttr(C)->getRange();
4817 if (C.kind == CXCursor_PreprocessingDirective)
4818 return cxcursor::getCursorPreprocessingDirective(C);
4820 if (C.kind == CXCursor_MacroExpansion) {
4821 ASTUnit *TU = getCursorASTUnit(C);
4822 SourceRange Range = cxcursor::getCursorMacroExpansion(C).getSourceRange();
4823 return TU->mapRangeFromPreamble(Range);
4826 if (C.kind == CXCursor_MacroDefinition) {
4827 ASTUnit *TU = getCursorASTUnit(C);
4828 SourceRange Range = cxcursor::getCursorMacroDefinition(C)->getSourceRange();
4829 return TU->mapRangeFromPreamble(Range);
4832 if (C.kind == CXCursor_InclusionDirective) {
4833 ASTUnit *TU = getCursorASTUnit(C);
4834 SourceRange Range = cxcursor::getCursorInclusionDirective(C)->getSourceRange();
4835 return TU->mapRangeFromPreamble(Range);
4838 if (C.kind == CXCursor_TranslationUnit) {
4839 ASTUnit *TU = getCursorASTUnit(C);
4840 FileID MainID = TU->getSourceManager().getMainFileID();
4841 SourceLocation Start = TU->getSourceManager().getLocForStartOfFile(MainID);
4842 SourceLocation End = TU->getSourceManager().getLocForEndOfFile(MainID);
4843 return SourceRange(Start, End);
4846 if (clang_isDeclaration(C.kind)) {
4847 const Decl *D = cxcursor::getCursorDecl(C);
4849 return SourceRange();
4851 SourceRange R = D->getSourceRange();
4852 // FIXME: Multiple variables declared in a single declaration
4853 // currently lack the information needed to correctly determine their
4854 // ranges when accounting for the type-specifier. We use context
4855 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
4856 // and if so, whether it is the first decl.
4857 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
4858 if (!cxcursor::isFirstInDeclGroup(C))
4859 R.setBegin(VD->getLocation());
4863 return SourceRange();
4866 /// \brief Retrieves the "raw" cursor extent, which is then extended to include
4867 /// the decl-specifier-seq for declarations.
4868 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr) {
4869 if (clang_isDeclaration(C.kind)) {
4870 const Decl *D = cxcursor::getCursorDecl(C);
4872 return SourceRange();
4874 SourceRange R = D->getSourceRange();
4876 // Adjust the start of the location for declarations preceded by
4877 // declaration specifiers.
4878 SourceLocation StartLoc;
4879 if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
4880 if (TypeSourceInfo *TI = DD->getTypeSourceInfo())
4881 StartLoc = TI->getTypeLoc().getLocStart();
4882 } else if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(D)) {
4883 if (TypeSourceInfo *TI = Typedef->getTypeSourceInfo())
4884 StartLoc = TI->getTypeLoc().getLocStart();
4887 if (StartLoc.isValid() && R.getBegin().isValid() &&
4888 SrcMgr.isBeforeInTranslationUnit(StartLoc, R.getBegin()))
4889 R.setBegin(StartLoc);
4891 // FIXME: Multiple variables declared in a single declaration
4892 // currently lack the information needed to correctly determine their
4893 // ranges when accounting for the type-specifier. We use context
4894 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
4895 // and if so, whether it is the first decl.
4896 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
4897 if (!cxcursor::isFirstInDeclGroup(C))
4898 R.setBegin(VD->getLocation());
4904 return getRawCursorExtent(C);
4909 CXSourceRange clang_getCursorExtent(CXCursor C) {
4910 SourceRange R = getRawCursorExtent(C);
4912 return clang_getNullRange();
4914 return cxloc::translateSourceRange(getCursorContext(C), R);
4917 CXCursor clang_getCursorReferenced(CXCursor C) {
4918 if (clang_isInvalid(C.kind))
4919 return clang_getNullCursor();
4921 CXTranslationUnit tu = getCursorTU(C);
4922 if (clang_isDeclaration(C.kind)) {
4923 const Decl *D = getCursorDecl(C);
4925 return clang_getNullCursor();
4926 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
4927 return MakeCursorOverloadedDeclRef(Using, D->getLocation(), tu);
4928 if (const ObjCPropertyImplDecl *PropImpl =
4929 dyn_cast<ObjCPropertyImplDecl>(D))
4930 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
4931 return MakeCXCursor(Property, tu);
4936 if (clang_isExpression(C.kind)) {
4937 const Expr *E = getCursorExpr(C);
4938 const Decl *D = getDeclFromExpr(E);
4940 CXCursor declCursor = MakeCXCursor(D, tu);
4941 declCursor = getSelectorIdentifierCursor(getSelectorIdentifierIndex(C),
4946 if (const OverloadExpr *Ovl = dyn_cast_or_null<OverloadExpr>(E))
4947 return MakeCursorOverloadedDeclRef(Ovl, tu);
4949 return clang_getNullCursor();
4952 if (clang_isStatement(C.kind)) {
4953 const Stmt *S = getCursorStmt(C);
4954 if (const GotoStmt *Goto = dyn_cast_or_null<GotoStmt>(S))
4955 if (LabelDecl *label = Goto->getLabel())
4956 if (LabelStmt *labelS = label->getStmt())
4957 return MakeCXCursor(labelS, getCursorDecl(C), tu);
4959 return clang_getNullCursor();
4962 if (C.kind == CXCursor_MacroExpansion) {
4963 if (const MacroDefinitionRecord *Def =
4964 getCursorMacroExpansion(C).getDefinition())
4965 return MakeMacroDefinitionCursor(Def, tu);
4968 if (!clang_isReference(C.kind))
4969 return clang_getNullCursor();
4972 case CXCursor_ObjCSuperClassRef:
4973 return MakeCXCursor(getCursorObjCSuperClassRef(C).first, tu);
4975 case CXCursor_ObjCProtocolRef: {
4976 const ObjCProtocolDecl *Prot = getCursorObjCProtocolRef(C).first;
4977 if (const ObjCProtocolDecl *Def = Prot->getDefinition())
4978 return MakeCXCursor(Def, tu);
4980 return MakeCXCursor(Prot, tu);
4983 case CXCursor_ObjCClassRef: {
4984 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
4985 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
4986 return MakeCXCursor(Def, tu);
4988 return MakeCXCursor(Class, tu);
4991 case CXCursor_TypeRef:
4992 return MakeCXCursor(getCursorTypeRef(C).first, tu );
4994 case CXCursor_TemplateRef:
4995 return MakeCXCursor(getCursorTemplateRef(C).first, tu );
4997 case CXCursor_NamespaceRef:
4998 return MakeCXCursor(getCursorNamespaceRef(C).first, tu );
5000 case CXCursor_MemberRef:
5001 return MakeCXCursor(getCursorMemberRef(C).first, tu );
5003 case CXCursor_CXXBaseSpecifier: {
5004 const CXXBaseSpecifier *B = cxcursor::getCursorCXXBaseSpecifier(C);
5005 return clang_getTypeDeclaration(cxtype::MakeCXType(B->getType(),
5009 case CXCursor_LabelRef:
5010 // FIXME: We end up faking the "parent" declaration here because we
5011 // don't want to make CXCursor larger.
5012 return MakeCXCursor(getCursorLabelRef(C).first,
5013 cxtu::getASTUnit(tu)->getASTContext()
5014 .getTranslationUnitDecl(),
5017 case CXCursor_OverloadedDeclRef:
5020 case CXCursor_VariableRef:
5021 return MakeCXCursor(getCursorVariableRef(C).first, tu);
5024 // We would prefer to enumerate all non-reference cursor kinds here.
5025 llvm_unreachable("Unhandled reference cursor kind");
5029 CXCursor clang_getCursorDefinition(CXCursor C) {
5030 if (clang_isInvalid(C.kind))
5031 return clang_getNullCursor();
5033 CXTranslationUnit TU = getCursorTU(C);
5035 bool WasReference = false;
5036 if (clang_isReference(C.kind) || clang_isExpression(C.kind)) {
5037 C = clang_getCursorReferenced(C);
5038 WasReference = true;
5041 if (C.kind == CXCursor_MacroExpansion)
5042 return clang_getCursorReferenced(C);
5044 if (!clang_isDeclaration(C.kind))
5045 return clang_getNullCursor();
5047 const Decl *D = getCursorDecl(C);
5049 return clang_getNullCursor();
5051 switch (D->getKind()) {
5052 // Declaration kinds that don't really separate the notions of
5053 // declaration and definition.
5054 case Decl::Namespace:
5056 case Decl::TypeAlias:
5057 case Decl::TypeAliasTemplate:
5058 case Decl::TemplateTypeParm:
5059 case Decl::EnumConstant:
5061 case Decl::MSProperty:
5062 case Decl::IndirectField:
5063 case Decl::ObjCIvar:
5064 case Decl::ObjCAtDefsField:
5065 case Decl::ImplicitParam:
5067 case Decl::NonTypeTemplateParm:
5068 case Decl::TemplateTemplateParm:
5069 case Decl::ObjCCategoryImpl:
5070 case Decl::ObjCImplementation:
5071 case Decl::AccessSpec:
5072 case Decl::LinkageSpec:
5073 case Decl::ObjCPropertyImpl:
5074 case Decl::FileScopeAsm:
5075 case Decl::StaticAssert:
5077 case Decl::Captured:
5078 case Decl::Label: // FIXME: Is this right??
5079 case Decl::ClassScopeFunctionSpecialization:
5081 case Decl::OMPThreadPrivate:
5082 case Decl::ObjCTypeParam:
5085 // Declaration kinds that don't make any sense here, but are
5086 // nonetheless harmless.
5088 case Decl::TranslationUnit:
5089 case Decl::ExternCContext:
5092 // Declaration kinds for which the definition is not resolvable.
5093 case Decl::UnresolvedUsingTypename:
5094 case Decl::UnresolvedUsingValue:
5097 case Decl::UsingDirective:
5098 return MakeCXCursor(cast<UsingDirectiveDecl>(D)->getNominatedNamespace(),
5101 case Decl::NamespaceAlias:
5102 return MakeCXCursor(cast<NamespaceAliasDecl>(D)->getNamespace(), TU);
5106 case Decl::CXXRecord:
5107 case Decl::ClassTemplateSpecialization:
5108 case Decl::ClassTemplatePartialSpecialization:
5109 if (TagDecl *Def = cast<TagDecl>(D)->getDefinition())
5110 return MakeCXCursor(Def, TU);
5111 return clang_getNullCursor();
5113 case Decl::Function:
5114 case Decl::CXXMethod:
5115 case Decl::CXXConstructor:
5116 case Decl::CXXDestructor:
5117 case Decl::CXXConversion: {
5118 const FunctionDecl *Def = nullptr;
5119 if (cast<FunctionDecl>(D)->getBody(Def))
5120 return MakeCXCursor(Def, TU);
5121 return clang_getNullCursor();
5125 case Decl::VarTemplateSpecialization:
5126 case Decl::VarTemplatePartialSpecialization: {
5127 // Ask the variable if it has a definition.
5128 if (const VarDecl *Def = cast<VarDecl>(D)->getDefinition())
5129 return MakeCXCursor(Def, TU);
5130 return clang_getNullCursor();
5133 case Decl::FunctionTemplate: {
5134 const FunctionDecl *Def = nullptr;
5135 if (cast<FunctionTemplateDecl>(D)->getTemplatedDecl()->getBody(Def))
5136 return MakeCXCursor(Def->getDescribedFunctionTemplate(), TU);
5137 return clang_getNullCursor();
5140 case Decl::ClassTemplate: {
5141 if (RecordDecl *Def = cast<ClassTemplateDecl>(D)->getTemplatedDecl()
5143 return MakeCXCursor(cast<CXXRecordDecl>(Def)->getDescribedClassTemplate(),
5145 return clang_getNullCursor();
5148 case Decl::VarTemplate: {
5150 cast<VarTemplateDecl>(D)->getTemplatedDecl()->getDefinition())
5151 return MakeCXCursor(cast<VarDecl>(Def)->getDescribedVarTemplate(), TU);
5152 return clang_getNullCursor();
5156 return MakeCursorOverloadedDeclRef(cast<UsingDecl>(D),
5157 D->getLocation(), TU);
5159 case Decl::UsingShadow:
5160 return clang_getCursorDefinition(
5161 MakeCXCursor(cast<UsingShadowDecl>(D)->getTargetDecl(),
5164 case Decl::ObjCMethod: {
5165 const ObjCMethodDecl *Method = cast<ObjCMethodDecl>(D);
5166 if (Method->isThisDeclarationADefinition())
5169 // Dig out the method definition in the associated
5170 // @implementation, if we have it.
5171 // FIXME: The ASTs should make finding the definition easier.
5172 if (const ObjCInterfaceDecl *Class
5173 = dyn_cast<ObjCInterfaceDecl>(Method->getDeclContext()))
5174 if (ObjCImplementationDecl *ClassImpl = Class->getImplementation())
5175 if (ObjCMethodDecl *Def = ClassImpl->getMethod(Method->getSelector(),
5176 Method->isInstanceMethod()))
5177 if (Def->isThisDeclarationADefinition())
5178 return MakeCXCursor(Def, TU);
5180 return clang_getNullCursor();
5183 case Decl::ObjCCategory:
5184 if (ObjCCategoryImplDecl *Impl
5185 = cast<ObjCCategoryDecl>(D)->getImplementation())
5186 return MakeCXCursor(Impl, TU);
5187 return clang_getNullCursor();
5189 case Decl::ObjCProtocol:
5190 if (const ObjCProtocolDecl *Def = cast<ObjCProtocolDecl>(D)->getDefinition())
5191 return MakeCXCursor(Def, TU);
5192 return clang_getNullCursor();
5194 case Decl::ObjCInterface: {
5195 // There are two notions of a "definition" for an Objective-C
5196 // class: the interface and its implementation. When we resolved a
5197 // reference to an Objective-C class, produce the @interface as
5198 // the definition; when we were provided with the interface,
5199 // produce the @implementation as the definition.
5200 const ObjCInterfaceDecl *IFace = cast<ObjCInterfaceDecl>(D);
5202 if (const ObjCInterfaceDecl *Def = IFace->getDefinition())
5203 return MakeCXCursor(Def, TU);
5204 } else if (ObjCImplementationDecl *Impl = IFace->getImplementation())
5205 return MakeCXCursor(Impl, TU);
5206 return clang_getNullCursor();
5209 case Decl::ObjCProperty:
5210 // FIXME: We don't really know where to find the
5211 // ObjCPropertyImplDecls that implement this property.
5212 return clang_getNullCursor();
5214 case Decl::ObjCCompatibleAlias:
5215 if (const ObjCInterfaceDecl *Class
5216 = cast<ObjCCompatibleAliasDecl>(D)->getClassInterface())
5217 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5218 return MakeCXCursor(Def, TU);
5220 return clang_getNullCursor();
5223 if (NamedDecl *Friend = cast<FriendDecl>(D)->getFriendDecl())
5224 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5225 return clang_getNullCursor();
5227 case Decl::FriendTemplate:
5228 if (NamedDecl *Friend = cast<FriendTemplateDecl>(D)->getFriendDecl())
5229 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5230 return clang_getNullCursor();
5233 return clang_getNullCursor();
5236 unsigned clang_isCursorDefinition(CXCursor C) {
5237 if (!clang_isDeclaration(C.kind))
5240 return clang_getCursorDefinition(C) == C;
5243 CXCursor clang_getCanonicalCursor(CXCursor C) {
5244 if (!clang_isDeclaration(C.kind))
5247 if (const Decl *D = getCursorDecl(C)) {
5248 if (const ObjCCategoryImplDecl *CatImplD = dyn_cast<ObjCCategoryImplDecl>(D))
5249 if (ObjCCategoryDecl *CatD = CatImplD->getCategoryDecl())
5250 return MakeCXCursor(CatD, getCursorTU(C));
5252 if (const ObjCImplDecl *ImplD = dyn_cast<ObjCImplDecl>(D))
5253 if (const ObjCInterfaceDecl *IFD = ImplD->getClassInterface())
5254 return MakeCXCursor(IFD, getCursorTU(C));
5256 return MakeCXCursor(D->getCanonicalDecl(), getCursorTU(C));
5262 int clang_Cursor_getObjCSelectorIndex(CXCursor cursor) {
5263 return cxcursor::getSelectorIdentifierIndexAndLoc(cursor).first;
5266 unsigned clang_getNumOverloadedDecls(CXCursor C) {
5267 if (C.kind != CXCursor_OverloadedDeclRef)
5270 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
5271 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5272 return E->getNumDecls();
5274 if (OverloadedTemplateStorage *S
5275 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5278 const Decl *D = Storage.get<const Decl *>();
5279 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5280 return Using->shadow_size();
5285 CXCursor clang_getOverloadedDecl(CXCursor cursor, unsigned index) {
5286 if (cursor.kind != CXCursor_OverloadedDeclRef)
5287 return clang_getNullCursor();
5289 if (index >= clang_getNumOverloadedDecls(cursor))
5290 return clang_getNullCursor();
5292 CXTranslationUnit TU = getCursorTU(cursor);
5293 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(cursor).first;
5294 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5295 return MakeCXCursor(E->decls_begin()[index], TU);
5297 if (OverloadedTemplateStorage *S
5298 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5299 return MakeCXCursor(S->begin()[index], TU);
5301 const Decl *D = Storage.get<const Decl *>();
5302 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D)) {
5303 // FIXME: This is, unfortunately, linear time.
5304 UsingDecl::shadow_iterator Pos = Using->shadow_begin();
5305 std::advance(Pos, index);
5306 return MakeCXCursor(cast<UsingShadowDecl>(*Pos)->getTargetDecl(), TU);
5309 return clang_getNullCursor();
5312 void clang_getDefinitionSpellingAndExtent(CXCursor C,
5313 const char **startBuf,
5314 const char **endBuf,
5315 unsigned *startLine,
5316 unsigned *startColumn,
5318 unsigned *endColumn) {
5319 assert(getCursorDecl(C) && "CXCursor has null decl");
5320 const FunctionDecl *FD = dyn_cast<FunctionDecl>(getCursorDecl(C));
5321 CompoundStmt *Body = dyn_cast<CompoundStmt>(FD->getBody());
5323 SourceManager &SM = FD->getASTContext().getSourceManager();
5324 *startBuf = SM.getCharacterData(Body->getLBracLoc());
5325 *endBuf = SM.getCharacterData(Body->getRBracLoc());
5326 *startLine = SM.getSpellingLineNumber(Body->getLBracLoc());
5327 *startColumn = SM.getSpellingColumnNumber(Body->getLBracLoc());
5328 *endLine = SM.getSpellingLineNumber(Body->getRBracLoc());
5329 *endColumn = SM.getSpellingColumnNumber(Body->getRBracLoc());
5333 CXSourceRange clang_getCursorReferenceNameRange(CXCursor C, unsigned NameFlags,
5334 unsigned PieceIndex) {
5335 RefNamePieces Pieces;
5338 case CXCursor_MemberRefExpr:
5339 if (const MemberExpr *E = dyn_cast<MemberExpr>(getCursorExpr(C)))
5340 Pieces = buildPieces(NameFlags, true, E->getMemberNameInfo(),
5341 E->getQualifierLoc().getSourceRange());
5344 case CXCursor_DeclRefExpr:
5345 if (const DeclRefExpr *E = dyn_cast<DeclRefExpr>(getCursorExpr(C)))
5346 Pieces = buildPieces(NameFlags, false, E->getNameInfo(),
5347 E->getQualifierLoc().getSourceRange(),
5348 E->getOptionalExplicitTemplateArgs());
5351 case CXCursor_CallExpr:
5352 if (const CXXOperatorCallExpr *OCE =
5353 dyn_cast<CXXOperatorCallExpr>(getCursorExpr(C))) {
5354 const Expr *Callee = OCE->getCallee();
5355 if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Callee))
5356 Callee = ICE->getSubExpr();
5358 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Callee))
5359 Pieces = buildPieces(NameFlags, false, DRE->getNameInfo(),
5360 DRE->getQualifierLoc().getSourceRange());
5368 if (Pieces.empty()) {
5369 if (PieceIndex == 0)
5370 return clang_getCursorExtent(C);
5371 } else if (PieceIndex < Pieces.size()) {
5372 SourceRange R = Pieces[PieceIndex];
5374 return cxloc::translateSourceRange(getCursorContext(C), R);
5377 return clang_getNullRange();
5380 void clang_enableStackTraces(void) {
5381 llvm::sys::PrintStackTraceOnErrorSignal();
5384 void clang_executeOnThread(void (*fn)(void*), void *user_data,
5385 unsigned stack_size) {
5386 llvm::llvm_execute_on_thread(fn, user_data, stack_size);
5389 } // end: extern "C"
5391 //===----------------------------------------------------------------------===//
5392 // Token-based Operations.
5393 //===----------------------------------------------------------------------===//
5396 * int_data[0]: a CXTokenKind
5397 * int_data[1]: starting token location
5398 * int_data[2]: token length
5399 * int_data[3]: reserved
5400 * ptr_data: for identifiers and keywords, an IdentifierInfo*.
5405 CXTokenKind clang_getTokenKind(CXToken CXTok) {
5406 return static_cast<CXTokenKind>(CXTok.int_data[0]);
5409 CXString clang_getTokenSpelling(CXTranslationUnit TU, CXToken CXTok) {
5410 switch (clang_getTokenKind(CXTok)) {
5411 case CXToken_Identifier:
5412 case CXToken_Keyword:
5413 // We know we have an IdentifierInfo*, so use that.
5414 return cxstring::createRef(static_cast<IdentifierInfo *>(CXTok.ptr_data)
5417 case CXToken_Literal: {
5418 // We have stashed the starting pointer in the ptr_data field. Use it.
5419 const char *Text = static_cast<const char *>(CXTok.ptr_data);
5420 return cxstring::createDup(StringRef(Text, CXTok.int_data[2]));
5423 case CXToken_Punctuation:
5424 case CXToken_Comment:
5428 if (isNotUsableTU(TU)) {
5430 return cxstring::createEmpty();
5433 // We have to find the starting buffer pointer the hard way, by
5434 // deconstructing the source location.
5435 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5437 return cxstring::createEmpty();
5439 SourceLocation Loc = SourceLocation::getFromRawEncoding(CXTok.int_data[1]);
5440 std::pair<FileID, unsigned> LocInfo
5441 = CXXUnit->getSourceManager().getDecomposedSpellingLoc(Loc);
5442 bool Invalid = false;
5444 = CXXUnit->getSourceManager().getBufferData(LocInfo.first, &Invalid);
5446 return cxstring::createEmpty();
5448 return cxstring::createDup(Buffer.substr(LocInfo.second, CXTok.int_data[2]));
5451 CXSourceLocation clang_getTokenLocation(CXTranslationUnit TU, CXToken CXTok) {
5452 if (isNotUsableTU(TU)) {
5454 return clang_getNullLocation();
5457 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5459 return clang_getNullLocation();
5461 return cxloc::translateSourceLocation(CXXUnit->getASTContext(),
5462 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5465 CXSourceRange clang_getTokenExtent(CXTranslationUnit TU, CXToken CXTok) {
5466 if (isNotUsableTU(TU)) {
5468 return clang_getNullRange();
5471 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5473 return clang_getNullRange();
5475 return cxloc::translateSourceRange(CXXUnit->getASTContext(),
5476 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5479 static void getTokens(ASTUnit *CXXUnit, SourceRange Range,
5480 SmallVectorImpl<CXToken> &CXTokens) {
5481 SourceManager &SourceMgr = CXXUnit->getSourceManager();
5482 std::pair<FileID, unsigned> BeginLocInfo
5483 = SourceMgr.getDecomposedSpellingLoc(Range.getBegin());
5484 std::pair<FileID, unsigned> EndLocInfo
5485 = SourceMgr.getDecomposedSpellingLoc(Range.getEnd());
5487 // Cannot tokenize across files.
5488 if (BeginLocInfo.first != EndLocInfo.first)
5492 bool Invalid = false;
5494 = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
5498 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
5499 CXXUnit->getASTContext().getLangOpts(),
5500 Buffer.begin(), Buffer.data() + BeginLocInfo.second, Buffer.end());
5501 Lex.SetCommentRetentionState(true);
5503 // Lex tokens until we hit the end of the range.
5504 const char *EffectiveBufferEnd = Buffer.data() + EndLocInfo.second;
5506 bool previousWasAt = false;
5508 // Lex the next token
5509 Lex.LexFromRawLexer(Tok);
5510 if (Tok.is(tok::eof))
5513 // Initialize the CXToken.
5517 CXTok.int_data[1] = Tok.getLocation().getRawEncoding();
5518 CXTok.int_data[2] = Tok.getLength();
5519 CXTok.int_data[3] = 0;
5521 // - Kind-specific fields
5522 if (Tok.isLiteral()) {
5523 CXTok.int_data[0] = CXToken_Literal;
5524 CXTok.ptr_data = const_cast<char *>(Tok.getLiteralData());
5525 } else if (Tok.is(tok::raw_identifier)) {
5526 // Lookup the identifier to determine whether we have a keyword.
5528 = CXXUnit->getPreprocessor().LookUpIdentifierInfo(Tok);
5530 if ((II->getObjCKeywordID() != tok::objc_not_keyword) && previousWasAt) {
5531 CXTok.int_data[0] = CXToken_Keyword;
5534 CXTok.int_data[0] = Tok.is(tok::identifier)
5535 ? CXToken_Identifier
5538 CXTok.ptr_data = II;
5539 } else if (Tok.is(tok::comment)) {
5540 CXTok.int_data[0] = CXToken_Comment;
5541 CXTok.ptr_data = nullptr;
5543 CXTok.int_data[0] = CXToken_Punctuation;
5544 CXTok.ptr_data = nullptr;
5546 CXTokens.push_back(CXTok);
5547 previousWasAt = Tok.is(tok::at);
5548 } while (Lex.getBufferLocation() <= EffectiveBufferEnd);
5551 void clang_tokenize(CXTranslationUnit TU, CXSourceRange Range,
5552 CXToken **Tokens, unsigned *NumTokens) {
5554 *Log << TU << ' ' << Range;
5562 if (isNotUsableTU(TU)) {
5567 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5568 if (!CXXUnit || !Tokens || !NumTokens)
5571 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
5573 SourceRange R = cxloc::translateCXSourceRange(Range);
5577 SmallVector<CXToken, 32> CXTokens;
5578 getTokens(CXXUnit, R, CXTokens);
5580 if (CXTokens.empty())
5583 *Tokens = (CXToken *)malloc(sizeof(CXToken) * CXTokens.size());
5584 memmove(*Tokens, CXTokens.data(), sizeof(CXToken) * CXTokens.size());
5585 *NumTokens = CXTokens.size();
5588 void clang_disposeTokens(CXTranslationUnit TU,
5589 CXToken *Tokens, unsigned NumTokens) {
5593 } // end: extern "C"
5595 //===----------------------------------------------------------------------===//
5596 // Token annotation APIs.
5597 //===----------------------------------------------------------------------===//
5599 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
5601 CXClientData client_data);
5602 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
5603 CXClientData client_data);
5606 class AnnotateTokensWorker {
5611 unsigned PreprocessingTokIdx;
5612 CursorVisitor AnnotateVis;
5613 SourceManager &SrcMgr;
5614 bool HasContextSensitiveKeywords;
5616 struct PostChildrenInfo {
5618 SourceRange CursorRange;
5619 unsigned BeforeReachingCursorIdx;
5620 unsigned BeforeChildrenTokenIdx;
5622 SmallVector<PostChildrenInfo, 8> PostChildrenInfos;
5624 CXToken &getTok(unsigned Idx) {
5625 assert(Idx < NumTokens);
5628 const CXToken &getTok(unsigned Idx) const {
5629 assert(Idx < NumTokens);
5632 bool MoreTokens() const { return TokIdx < NumTokens; }
5633 unsigned NextToken() const { return TokIdx; }
5634 void AdvanceToken() { ++TokIdx; }
5635 SourceLocation GetTokenLoc(unsigned tokI) {
5636 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
5638 bool isFunctionMacroToken(unsigned tokI) const {
5639 return getTok(tokI).int_data[3] != 0;
5641 SourceLocation getFunctionMacroTokenLoc(unsigned tokI) const {
5642 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[3]);
5645 void annotateAndAdvanceTokens(CXCursor, RangeComparisonResult, SourceRange);
5646 bool annotateAndAdvanceFunctionMacroTokens(CXCursor, RangeComparisonResult,
5650 AnnotateTokensWorker(CXToken *tokens, CXCursor *cursors, unsigned numTokens,
5651 CXTranslationUnit TU, SourceRange RegionOfInterest)
5652 : Tokens(tokens), Cursors(cursors),
5653 NumTokens(numTokens), TokIdx(0), PreprocessingTokIdx(0),
5655 AnnotateTokensVisitor, this,
5656 /*VisitPreprocessorLast=*/true,
5657 /*VisitIncludedEntities=*/false,
5659 /*VisitDeclsOnly=*/false,
5660 AnnotateTokensPostChildrenVisitor),
5661 SrcMgr(cxtu::getASTUnit(TU)->getSourceManager()),
5662 HasContextSensitiveKeywords(false) { }
5664 void VisitChildren(CXCursor C) { AnnotateVis.VisitChildren(C); }
5665 enum CXChildVisitResult Visit(CXCursor cursor, CXCursor parent);
5666 bool postVisitChildren(CXCursor cursor);
5667 void AnnotateTokens();
5669 /// \brief Determine whether the annotator saw any cursors that have
5670 /// context-sensitive keywords.
5671 bool hasContextSensitiveKeywords() const {
5672 return HasContextSensitiveKeywords;
5675 ~AnnotateTokensWorker() {
5676 assert(PostChildrenInfos.empty());
5681 void AnnotateTokensWorker::AnnotateTokens() {
5682 // Walk the AST within the region of interest, annotating tokens
5684 AnnotateVis.visitFileRegion();
5687 static inline void updateCursorAnnotation(CXCursor &Cursor,
5688 const CXCursor &updateC) {
5689 if (clang_isInvalid(updateC.kind) || !clang_isInvalid(Cursor.kind))
5694 /// \brief It annotates and advances tokens with a cursor until the comparison
5695 //// between the cursor location and the source range is the same as
5696 /// \arg compResult.
5698 /// Pass RangeBefore to annotate tokens with a cursor until a range is reached.
5699 /// Pass RangeOverlap to annotate tokens inside a range.
5700 void AnnotateTokensWorker::annotateAndAdvanceTokens(CXCursor updateC,
5701 RangeComparisonResult compResult,
5702 SourceRange range) {
5703 while (MoreTokens()) {
5704 const unsigned I = NextToken();
5705 if (isFunctionMacroToken(I))
5706 if (!annotateAndAdvanceFunctionMacroTokens(updateC, compResult, range))
5709 SourceLocation TokLoc = GetTokenLoc(I);
5710 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
5711 updateCursorAnnotation(Cursors[I], updateC);
5719 /// \brief Special annotation handling for macro argument tokens.
5720 /// \returns true if it advanced beyond all macro tokens, false otherwise.
5721 bool AnnotateTokensWorker::annotateAndAdvanceFunctionMacroTokens(
5723 RangeComparisonResult compResult,
5724 SourceRange range) {
5725 assert(MoreTokens());
5726 assert(isFunctionMacroToken(NextToken()) &&
5727 "Should be called only for macro arg tokens");
5729 // This works differently than annotateAndAdvanceTokens; because expanded
5730 // macro arguments can have arbitrary translation-unit source order, we do not
5731 // advance the token index one by one until a token fails the range test.
5732 // We only advance once past all of the macro arg tokens if all of them
5733 // pass the range test. If one of them fails we keep the token index pointing
5734 // at the start of the macro arg tokens so that the failing token will be
5735 // annotated by a subsequent annotation try.
5737 bool atLeastOneCompFail = false;
5739 unsigned I = NextToken();
5740 for (; I < NumTokens && isFunctionMacroToken(I); ++I) {
5741 SourceLocation TokLoc = getFunctionMacroTokenLoc(I);
5742 if (TokLoc.isFileID())
5743 continue; // not macro arg token, it's parens or comma.
5744 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
5745 if (clang_isInvalid(clang_getCursorKind(Cursors[I])))
5746 Cursors[I] = updateC;
5748 atLeastOneCompFail = true;
5751 if (atLeastOneCompFail)
5754 TokIdx = I; // All of the tokens were handled, advance beyond all of them.
5758 enum CXChildVisitResult
5759 AnnotateTokensWorker::Visit(CXCursor cursor, CXCursor parent) {
5760 SourceRange cursorRange = getRawCursorExtent(cursor);
5761 if (cursorRange.isInvalid())
5762 return CXChildVisit_Recurse;
5764 if (!HasContextSensitiveKeywords) {
5765 // Objective-C properties can have context-sensitive keywords.
5766 if (cursor.kind == CXCursor_ObjCPropertyDecl) {
5767 if (const ObjCPropertyDecl *Property
5768 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(cursor)))
5769 HasContextSensitiveKeywords = Property->getPropertyAttributesAsWritten() != 0;
5771 // Objective-C methods can have context-sensitive keywords.
5772 else if (cursor.kind == CXCursor_ObjCInstanceMethodDecl ||
5773 cursor.kind == CXCursor_ObjCClassMethodDecl) {
5774 if (const ObjCMethodDecl *Method
5775 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
5776 if (Method->getObjCDeclQualifier())
5777 HasContextSensitiveKeywords = true;
5779 for (const auto *P : Method->params()) {
5780 if (P->getObjCDeclQualifier()) {
5781 HasContextSensitiveKeywords = true;
5788 // C++ methods can have context-sensitive keywords.
5789 else if (cursor.kind == CXCursor_CXXMethod) {
5790 if (const CXXMethodDecl *Method
5791 = dyn_cast_or_null<CXXMethodDecl>(getCursorDecl(cursor))) {
5792 if (Method->hasAttr<FinalAttr>() || Method->hasAttr<OverrideAttr>())
5793 HasContextSensitiveKeywords = true;
5796 // C++ classes can have context-sensitive keywords.
5797 else if (cursor.kind == CXCursor_StructDecl ||
5798 cursor.kind == CXCursor_ClassDecl ||
5799 cursor.kind == CXCursor_ClassTemplate ||
5800 cursor.kind == CXCursor_ClassTemplatePartialSpecialization) {
5801 if (const Decl *D = getCursorDecl(cursor))
5802 if (D->hasAttr<FinalAttr>())
5803 HasContextSensitiveKeywords = true;
5807 // Don't override a property annotation with its getter/setter method.
5808 if (cursor.kind == CXCursor_ObjCInstanceMethodDecl &&
5809 parent.kind == CXCursor_ObjCPropertyDecl)
5810 return CXChildVisit_Continue;
5812 if (clang_isPreprocessing(cursor.kind)) {
5813 // Items in the preprocessing record are kept separate from items in
5814 // declarations, so we keep a separate token index.
5815 unsigned SavedTokIdx = TokIdx;
5816 TokIdx = PreprocessingTokIdx;
5818 // Skip tokens up until we catch up to the beginning of the preprocessing
5820 while (MoreTokens()) {
5821 const unsigned I = NextToken();
5822 SourceLocation TokLoc = GetTokenLoc(I);
5823 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
5834 // Look at all of the tokens within this range.
5835 while (MoreTokens()) {
5836 const unsigned I = NextToken();
5837 SourceLocation TokLoc = GetTokenLoc(I);
5838 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
5840 llvm_unreachable("Infeasible");
5844 // For macro expansions, just note where the beginning of the macro
5845 // expansion occurs.
5846 if (cursor.kind == CXCursor_MacroExpansion) {
5847 if (TokLoc == cursorRange.getBegin())
5848 Cursors[I] = cursor;
5852 // We may have already annotated macro names inside macro definitions.
5853 if (Cursors[I].kind != CXCursor_MacroExpansion)
5854 Cursors[I] = cursor;
5861 // Save the preprocessing token index; restore the non-preprocessing
5863 PreprocessingTokIdx = TokIdx;
5864 TokIdx = SavedTokIdx;
5865 return CXChildVisit_Recurse;
5868 if (cursorRange.isInvalid())
5869 return CXChildVisit_Continue;
5871 unsigned BeforeReachingCursorIdx = NextToken();
5872 const enum CXCursorKind cursorK = clang_getCursorKind(cursor);
5873 const enum CXCursorKind K = clang_getCursorKind(parent);
5874 const CXCursor updateC =
5875 (clang_isInvalid(K) || K == CXCursor_TranslationUnit ||
5876 // Attributes are annotated out-of-order, skip tokens until we reach it.
5877 clang_isAttribute(cursor.kind))
5878 ? clang_getNullCursor() : parent;
5880 annotateAndAdvanceTokens(updateC, RangeBefore, cursorRange);
5882 // Avoid having the cursor of an expression "overwrite" the annotation of the
5883 // variable declaration that it belongs to.
5884 // This can happen for C++ constructor expressions whose range generally
5885 // include the variable declaration, e.g.:
5886 // MyCXXClass foo; // Make sure we don't annotate 'foo' as a CallExpr cursor.
5887 if (clang_isExpression(cursorK) && MoreTokens()) {
5888 const Expr *E = getCursorExpr(cursor);
5889 if (const Decl *D = getCursorParentDecl(cursor)) {
5890 const unsigned I = NextToken();
5891 if (E->getLocStart().isValid() && D->getLocation().isValid() &&
5892 E->getLocStart() == D->getLocation() &&
5893 E->getLocStart() == GetTokenLoc(I)) {
5894 updateCursorAnnotation(Cursors[I], updateC);
5900 // Before recursing into the children keep some state that we are going
5901 // to use in the AnnotateTokensWorker::postVisitChildren callback to do some
5902 // extra work after the child nodes are visited.
5903 // Note that we don't call VisitChildren here to avoid traversing statements
5904 // code-recursively which can blow the stack.
5906 PostChildrenInfo Info;
5907 Info.Cursor = cursor;
5908 Info.CursorRange = cursorRange;
5909 Info.BeforeReachingCursorIdx = BeforeReachingCursorIdx;
5910 Info.BeforeChildrenTokenIdx = NextToken();
5911 PostChildrenInfos.push_back(Info);
5913 return CXChildVisit_Recurse;
5916 bool AnnotateTokensWorker::postVisitChildren(CXCursor cursor) {
5917 if (PostChildrenInfos.empty())
5919 const PostChildrenInfo &Info = PostChildrenInfos.back();
5920 if (!clang_equalCursors(Info.Cursor, cursor))
5923 const unsigned BeforeChildren = Info.BeforeChildrenTokenIdx;
5924 const unsigned AfterChildren = NextToken();
5925 SourceRange cursorRange = Info.CursorRange;
5927 // Scan the tokens that are at the end of the cursor, but are not captured
5928 // but the child cursors.
5929 annotateAndAdvanceTokens(cursor, RangeOverlap, cursorRange);
5931 // Scan the tokens that are at the beginning of the cursor, but are not
5932 // capture by the child cursors.
5933 for (unsigned I = BeforeChildren; I != AfterChildren; ++I) {
5934 if (!clang_isInvalid(clang_getCursorKind(Cursors[I])))
5937 Cursors[I] = cursor;
5940 // Attributes are annotated out-of-order, rewind TokIdx to when we first
5941 // encountered the attribute cursor.
5942 if (clang_isAttribute(cursor.kind))
5943 TokIdx = Info.BeforeReachingCursorIdx;
5945 PostChildrenInfos.pop_back();
5949 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
5951 CXClientData client_data) {
5952 return static_cast<AnnotateTokensWorker*>(client_data)->Visit(cursor, parent);
5955 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
5956 CXClientData client_data) {
5957 return static_cast<AnnotateTokensWorker*>(client_data)->
5958 postVisitChildren(cursor);
5963 /// \brief Uses the macro expansions in the preprocessing record to find
5964 /// and mark tokens that are macro arguments. This info is used by the
5965 /// AnnotateTokensWorker.
5966 class MarkMacroArgTokensVisitor {
5973 MarkMacroArgTokensVisitor(SourceManager &SM,
5974 CXToken *tokens, unsigned numTokens)
5975 : SM(SM), Tokens(tokens), NumTokens(numTokens), CurIdx(0) { }
5977 CXChildVisitResult visit(CXCursor cursor, CXCursor parent) {
5978 if (cursor.kind != CXCursor_MacroExpansion)
5979 return CXChildVisit_Continue;
5981 SourceRange macroRange = getCursorMacroExpansion(cursor).getSourceRange();
5982 if (macroRange.getBegin() == macroRange.getEnd())
5983 return CXChildVisit_Continue; // it's not a function macro.
5985 for (; CurIdx < NumTokens; ++CurIdx) {
5986 if (!SM.isBeforeInTranslationUnit(getTokenLoc(CurIdx),
5987 macroRange.getBegin()))
5991 if (CurIdx == NumTokens)
5992 return CXChildVisit_Break;
5994 for (; CurIdx < NumTokens; ++CurIdx) {
5995 SourceLocation tokLoc = getTokenLoc(CurIdx);
5996 if (!SM.isBeforeInTranslationUnit(tokLoc, macroRange.getEnd()))
5999 setFunctionMacroTokenLoc(CurIdx, SM.getMacroArgExpandedLocation(tokLoc));
6002 if (CurIdx == NumTokens)
6003 return CXChildVisit_Break;
6005 return CXChildVisit_Continue;
6009 CXToken &getTok(unsigned Idx) {
6010 assert(Idx < NumTokens);
6013 const CXToken &getTok(unsigned Idx) const {
6014 assert(Idx < NumTokens);
6018 SourceLocation getTokenLoc(unsigned tokI) {
6019 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
6022 void setFunctionMacroTokenLoc(unsigned tokI, SourceLocation loc) {
6023 // The third field is reserved and currently not used. Use it here
6024 // to mark macro arg expanded tokens with their expanded locations.
6025 getTok(tokI).int_data[3] = loc.getRawEncoding();
6029 } // end anonymous namespace
6031 static CXChildVisitResult
6032 MarkMacroArgTokensVisitorDelegate(CXCursor cursor, CXCursor parent,
6033 CXClientData client_data) {
6034 return static_cast<MarkMacroArgTokensVisitor*>(client_data)->visit(cursor,
6038 /// \brief Used by \c annotatePreprocessorTokens.
6039 /// \returns true if lexing was finished, false otherwise.
6040 static bool lexNext(Lexer &Lex, Token &Tok,
6041 unsigned &NextIdx, unsigned NumTokens) {
6042 if (NextIdx >= NumTokens)
6046 Lex.LexFromRawLexer(Tok);
6047 if (Tok.is(tok::eof))
6053 static void annotatePreprocessorTokens(CXTranslationUnit TU,
6054 SourceRange RegionOfInterest,
6057 unsigned NumTokens) {
6058 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6060 Preprocessor &PP = CXXUnit->getPreprocessor();
6061 SourceManager &SourceMgr = CXXUnit->getSourceManager();
6062 std::pair<FileID, unsigned> BeginLocInfo
6063 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getBegin());
6064 std::pair<FileID, unsigned> EndLocInfo
6065 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getEnd());
6067 if (BeginLocInfo.first != EndLocInfo.first)
6071 bool Invalid = false;
6072 Buffer = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
6073 if (Buffer.empty() || Invalid)
6076 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
6077 CXXUnit->getASTContext().getLangOpts(),
6078 Buffer.begin(), Buffer.data() + BeginLocInfo.second,
6080 Lex.SetCommentRetentionState(true);
6082 unsigned NextIdx = 0;
6083 // Lex tokens in raw mode until we hit the end of the range, to avoid
6084 // entering #includes or expanding macros.
6087 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6089 unsigned TokIdx = NextIdx-1;
6090 assert(Tok.getLocation() ==
6091 SourceLocation::getFromRawEncoding(Tokens[TokIdx].int_data[1]));
6094 if (Tok.is(tok::hash) && Tok.isAtStartOfLine()) {
6095 // We have found a preprocessing directive. Annotate the tokens
6098 // FIXME: Some simple tests here could identify macro definitions and
6099 // #undefs, to provide specific cursor kinds for those.
6101 SourceLocation BeginLoc = Tok.getLocation();
6102 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6105 MacroInfo *MI = nullptr;
6106 if (Tok.is(tok::raw_identifier) && Tok.getRawIdentifier() == "define") {
6107 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6110 if (Tok.is(tok::raw_identifier)) {
6111 IdentifierInfo &II =
6112 PP.getIdentifierTable().get(Tok.getRawIdentifier());
6113 SourceLocation MappedTokLoc =
6114 CXXUnit->mapLocationToPreamble(Tok.getLocation());
6115 MI = getMacroInfo(II, MappedTokLoc, TU);
6119 bool finished = false;
6121 if (lexNext(Lex, Tok, NextIdx, NumTokens)) {
6125 // If we are in a macro definition, check if the token was ever a
6126 // macro name and annotate it if that's the case.
6128 SourceLocation SaveLoc = Tok.getLocation();
6129 Tok.setLocation(CXXUnit->mapLocationToPreamble(SaveLoc));
6130 MacroDefinitionRecord *MacroDef =
6131 checkForMacroInMacroDefinition(MI, Tok, TU);
6132 Tok.setLocation(SaveLoc);
6134 Cursors[NextIdx - 1] =
6135 MakeMacroExpansionCursor(MacroDef, Tok.getLocation(), TU);
6137 } while (!Tok.isAtStartOfLine());
6139 unsigned LastIdx = finished ? NextIdx-1 : NextIdx-2;
6140 assert(TokIdx <= LastIdx);
6141 SourceLocation EndLoc =
6142 SourceLocation::getFromRawEncoding(Tokens[LastIdx].int_data[1]);
6144 MakePreprocessingDirectiveCursor(SourceRange(BeginLoc, EndLoc), TU);
6146 for (; TokIdx <= LastIdx; ++TokIdx)
6147 updateCursorAnnotation(Cursors[TokIdx], Cursor);
6156 // This gets run a separate thread to avoid stack blowout.
6157 static void clang_annotateTokensImpl(CXTranslationUnit TU, ASTUnit *CXXUnit,
6158 CXToken *Tokens, unsigned NumTokens,
6159 CXCursor *Cursors) {
6160 CIndexer *CXXIdx = TU->CIdx;
6161 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
6162 setThreadBackgroundPriority();
6164 // Determine the region of interest, which contains all of the tokens.
6165 SourceRange RegionOfInterest;
6166 RegionOfInterest.setBegin(
6167 cxloc::translateSourceLocation(clang_getTokenLocation(TU, Tokens[0])));
6168 RegionOfInterest.setEnd(
6169 cxloc::translateSourceLocation(clang_getTokenLocation(TU,
6170 Tokens[NumTokens-1])));
6172 // Relex the tokens within the source range to look for preprocessing
6174 annotatePreprocessorTokens(TU, RegionOfInterest, Cursors, Tokens, NumTokens);
6176 // If begin location points inside a macro argument, set it to the expansion
6177 // location so we can have the full context when annotating semantically.
6179 SourceManager &SM = CXXUnit->getSourceManager();
6180 SourceLocation Loc =
6181 SM.getMacroArgExpandedLocation(RegionOfInterest.getBegin());
6182 if (Loc.isMacroID())
6183 RegionOfInterest.setBegin(SM.getExpansionLoc(Loc));
6186 if (CXXUnit->getPreprocessor().getPreprocessingRecord()) {
6187 // Search and mark tokens that are macro argument expansions.
6188 MarkMacroArgTokensVisitor Visitor(CXXUnit->getSourceManager(),
6190 CursorVisitor MacroArgMarker(TU,
6191 MarkMacroArgTokensVisitorDelegate, &Visitor,
6192 /*VisitPreprocessorLast=*/true,
6193 /*VisitIncludedEntities=*/false,
6195 MacroArgMarker.visitPreprocessedEntitiesInRegion();
6198 // Annotate all of the source locations in the region of interest that map to
6199 // a specific cursor.
6200 AnnotateTokensWorker W(Tokens, Cursors, NumTokens, TU, RegionOfInterest);
6202 // FIXME: We use a ridiculous stack size here because the data-recursion
6203 // algorithm uses a large stack frame than the non-data recursive version,
6204 // and AnnotationTokensWorker currently transforms the data-recursion
6205 // algorithm back into a traditional recursion by explicitly calling
6206 // VisitChildren(). We will need to remove this explicit recursive call.
6209 // If we ran into any entities that involve context-sensitive keywords,
6210 // take another pass through the tokens to mark them as such.
6211 if (W.hasContextSensitiveKeywords()) {
6212 for (unsigned I = 0; I != NumTokens; ++I) {
6213 if (clang_getTokenKind(Tokens[I]) != CXToken_Identifier)
6216 if (Cursors[I].kind == CXCursor_ObjCPropertyDecl) {
6217 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6218 if (const ObjCPropertyDecl *Property
6219 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(Cursors[I]))) {
6220 if (Property->getPropertyAttributesAsWritten() != 0 &&
6221 llvm::StringSwitch<bool>(II->getName())
6222 .Case("readonly", true)
6223 .Case("assign", true)
6224 .Case("unsafe_unretained", true)
6225 .Case("readwrite", true)
6226 .Case("retain", true)
6228 .Case("nonatomic", true)
6229 .Case("atomic", true)
6230 .Case("getter", true)
6231 .Case("setter", true)
6232 .Case("strong", true)
6235 Tokens[I].int_data[0] = CXToken_Keyword;
6240 if (Cursors[I].kind == CXCursor_ObjCInstanceMethodDecl ||
6241 Cursors[I].kind == CXCursor_ObjCClassMethodDecl) {
6242 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6243 if (llvm::StringSwitch<bool>(II->getName())
6246 .Case("inout", true)
6247 .Case("oneway", true)
6248 .Case("bycopy", true)
6249 .Case("byref", true)
6251 Tokens[I].int_data[0] = CXToken_Keyword;
6255 if (Cursors[I].kind == CXCursor_CXXFinalAttr ||
6256 Cursors[I].kind == CXCursor_CXXOverrideAttr) {
6257 Tokens[I].int_data[0] = CXToken_Keyword;
6266 void clang_annotateTokens(CXTranslationUnit TU,
6267 CXToken *Tokens, unsigned NumTokens,
6268 CXCursor *Cursors) {
6269 if (isNotUsableTU(TU)) {
6273 if (NumTokens == 0 || !Tokens || !Cursors) {
6274 LOG_FUNC_SECTION { *Log << "<null input>"; }
6280 CXSourceLocation bloc = clang_getTokenLocation(TU, Tokens[0]);
6281 CXSourceLocation eloc = clang_getTokenLocation(TU, Tokens[NumTokens-1]);
6282 *Log << clang_getRange(bloc, eloc);
6285 // Any token we don't specifically annotate will have a NULL cursor.
6286 CXCursor C = clang_getNullCursor();
6287 for (unsigned I = 0; I != NumTokens; ++I)
6290 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6294 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
6296 auto AnnotateTokensImpl = [=]() {
6297 clang_annotateTokensImpl(TU, CXXUnit, Tokens, NumTokens, Cursors);
6299 llvm::CrashRecoveryContext CRC;
6300 if (!RunSafely(CRC, AnnotateTokensImpl, GetSafetyThreadStackSize() * 2)) {
6301 fprintf(stderr, "libclang: crash detected while annotating tokens\n");
6305 } // end: extern "C"
6307 //===----------------------------------------------------------------------===//
6308 // Operations for querying linkage of a cursor.
6309 //===----------------------------------------------------------------------===//
6312 CXLinkageKind clang_getCursorLinkage(CXCursor cursor) {
6313 if (!clang_isDeclaration(cursor.kind))
6314 return CXLinkage_Invalid;
6316 const Decl *D = cxcursor::getCursorDecl(cursor);
6317 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6318 switch (ND->getLinkageInternal()) {
6320 case VisibleNoLinkage: return CXLinkage_NoLinkage;
6321 case InternalLinkage: return CXLinkage_Internal;
6322 case UniqueExternalLinkage: return CXLinkage_UniqueExternal;
6323 case ExternalLinkage: return CXLinkage_External;
6326 return CXLinkage_Invalid;
6328 } // end: extern "C"
6330 //===----------------------------------------------------------------------===//
6331 // Operations for querying language of a cursor.
6332 //===----------------------------------------------------------------------===//
6334 static CXLanguageKind getDeclLanguage(const Decl *D) {
6336 return CXLanguage_C;
6338 switch (D->getKind()) {
6341 case Decl::ImplicitParam:
6342 case Decl::ObjCAtDefsField:
6343 case Decl::ObjCCategory:
6344 case Decl::ObjCCategoryImpl:
6345 case Decl::ObjCCompatibleAlias:
6346 case Decl::ObjCImplementation:
6347 case Decl::ObjCInterface:
6348 case Decl::ObjCIvar:
6349 case Decl::ObjCMethod:
6350 case Decl::ObjCProperty:
6351 case Decl::ObjCPropertyImpl:
6352 case Decl::ObjCProtocol:
6353 case Decl::ObjCTypeParam:
6354 return CXLanguage_ObjC;
6355 case Decl::CXXConstructor:
6356 case Decl::CXXConversion:
6357 case Decl::CXXDestructor:
6358 case Decl::CXXMethod:
6359 case Decl::CXXRecord:
6360 case Decl::ClassTemplate:
6361 case Decl::ClassTemplatePartialSpecialization:
6362 case Decl::ClassTemplateSpecialization:
6364 case Decl::FriendTemplate:
6365 case Decl::FunctionTemplate:
6366 case Decl::LinkageSpec:
6367 case Decl::Namespace:
6368 case Decl::NamespaceAlias:
6369 case Decl::NonTypeTemplateParm:
6370 case Decl::StaticAssert:
6371 case Decl::TemplateTemplateParm:
6372 case Decl::TemplateTypeParm:
6373 case Decl::UnresolvedUsingTypename:
6374 case Decl::UnresolvedUsingValue:
6376 case Decl::UsingDirective:
6377 case Decl::UsingShadow:
6378 return CXLanguage_CPlusPlus;
6381 return CXLanguage_C;
6386 static CXAvailabilityKind getCursorAvailabilityForDecl(const Decl *D) {
6387 if (isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->isDeleted())
6388 return CXAvailability_Available;
6390 switch (D->getAvailability()) {
6392 case AR_NotYetIntroduced:
6393 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6394 return getCursorAvailabilityForDecl(
6395 cast<Decl>(EnumConst->getDeclContext()));
6396 return CXAvailability_Available;
6399 return CXAvailability_Deprecated;
6401 case AR_Unavailable:
6402 return CXAvailability_NotAvailable;
6405 llvm_unreachable("Unknown availability kind!");
6408 enum CXAvailabilityKind clang_getCursorAvailability(CXCursor cursor) {
6409 if (clang_isDeclaration(cursor.kind))
6410 if (const Decl *D = cxcursor::getCursorDecl(cursor))
6411 return getCursorAvailabilityForDecl(D);
6413 return CXAvailability_Available;
6416 static CXVersion convertVersion(VersionTuple In) {
6417 CXVersion Out = { -1, -1, -1 };
6421 Out.Major = In.getMajor();
6423 Optional<unsigned> Minor = In.getMinor();
6424 if (Minor.hasValue())
6429 Optional<unsigned> Subminor = In.getSubminor();
6430 if (Subminor.hasValue())
6431 Out.Subminor = *Subminor;
6436 static int getCursorPlatformAvailabilityForDecl(const Decl *D,
6437 int *always_deprecated,
6438 CXString *deprecated_message,
6439 int *always_unavailable,
6440 CXString *unavailable_message,
6441 CXPlatformAvailability *availability,
6442 int availability_size) {
6443 bool HadAvailAttr = false;
6445 for (auto A : D->attrs()) {
6446 if (DeprecatedAttr *Deprecated = dyn_cast<DeprecatedAttr>(A)) {
6447 HadAvailAttr = true;
6448 if (always_deprecated)
6449 *always_deprecated = 1;
6450 if (deprecated_message) {
6451 clang_disposeString(*deprecated_message);
6452 *deprecated_message = cxstring::createDup(Deprecated->getMessage());
6457 if (UnavailableAttr *Unavailable = dyn_cast<UnavailableAttr>(A)) {
6458 HadAvailAttr = true;
6459 if (always_unavailable)
6460 *always_unavailable = 1;
6461 if (unavailable_message) {
6462 clang_disposeString(*unavailable_message);
6463 *unavailable_message = cxstring::createDup(Unavailable->getMessage());
6468 if (AvailabilityAttr *Avail = dyn_cast<AvailabilityAttr>(A)) {
6469 HadAvailAttr = true;
6470 if (N < availability_size) {
6471 availability[N].Platform
6472 = cxstring::createDup(Avail->getPlatform()->getName());
6473 availability[N].Introduced = convertVersion(Avail->getIntroduced());
6474 availability[N].Deprecated = convertVersion(Avail->getDeprecated());
6475 availability[N].Obsoleted = convertVersion(Avail->getObsoleted());
6476 availability[N].Unavailable = Avail->getUnavailable();
6477 availability[N].Message = cxstring::createDup(Avail->getMessage());
6484 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6485 return getCursorPlatformAvailabilityForDecl(
6486 cast<Decl>(EnumConst->getDeclContext()),
6490 unavailable_message,
6497 int clang_getCursorPlatformAvailability(CXCursor cursor,
6498 int *always_deprecated,
6499 CXString *deprecated_message,
6500 int *always_unavailable,
6501 CXString *unavailable_message,
6502 CXPlatformAvailability *availability,
6503 int availability_size) {
6504 if (always_deprecated)
6505 *always_deprecated = 0;
6506 if (deprecated_message)
6507 *deprecated_message = cxstring::createEmpty();
6508 if (always_unavailable)
6509 *always_unavailable = 0;
6510 if (unavailable_message)
6511 *unavailable_message = cxstring::createEmpty();
6513 if (!clang_isDeclaration(cursor.kind))
6516 const Decl *D = cxcursor::getCursorDecl(cursor);
6520 return getCursorPlatformAvailabilityForDecl(D, always_deprecated,
6523 unavailable_message,
6528 void clang_disposeCXPlatformAvailability(CXPlatformAvailability *availability) {
6529 clang_disposeString(availability->Platform);
6530 clang_disposeString(availability->Message);
6533 CXLanguageKind clang_getCursorLanguage(CXCursor cursor) {
6534 if (clang_isDeclaration(cursor.kind))
6535 return getDeclLanguage(cxcursor::getCursorDecl(cursor));
6537 return CXLanguage_Invalid;
6540 /// \brief If the given cursor is the "templated" declaration
6541 /// descibing a class or function template, return the class or
6542 /// function template.
6543 static const Decl *maybeGetTemplateCursor(const Decl *D) {
6547 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
6548 if (FunctionTemplateDecl *FunTmpl = FD->getDescribedFunctionTemplate())
6551 if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D))
6552 if (ClassTemplateDecl *ClassTmpl = RD->getDescribedClassTemplate())
6559 enum CX_StorageClass clang_Cursor_getStorageClass(CXCursor C) {
6560 StorageClass sc = SC_None;
6561 const Decl *D = getCursorDecl(C);
6563 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
6564 sc = FD->getStorageClass();
6565 } else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
6566 sc = VD->getStorageClass();
6568 return CX_SC_Invalid;
6571 return CX_SC_Invalid;
6577 return CX_SC_Extern;
6579 return CX_SC_Static;
6580 case SC_PrivateExtern:
6581 return CX_SC_PrivateExtern;
6582 case SC_OpenCLWorkGroupLocal:
6583 return CX_SC_OpenCLWorkGroupLocal;
6587 return CX_SC_Register;
6589 llvm_unreachable("Unhandled storage class!");
6592 CXCursor clang_getCursorSemanticParent(CXCursor cursor) {
6593 if (clang_isDeclaration(cursor.kind)) {
6594 if (const Decl *D = getCursorDecl(cursor)) {
6595 const DeclContext *DC = D->getDeclContext();
6597 return clang_getNullCursor();
6599 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
6600 getCursorTU(cursor));
6604 if (clang_isStatement(cursor.kind) || clang_isExpression(cursor.kind)) {
6605 if (const Decl *D = getCursorDecl(cursor))
6606 return MakeCXCursor(D, getCursorTU(cursor));
6609 return clang_getNullCursor();
6612 CXCursor clang_getCursorLexicalParent(CXCursor cursor) {
6613 if (clang_isDeclaration(cursor.kind)) {
6614 if (const Decl *D = getCursorDecl(cursor)) {
6615 const DeclContext *DC = D->getLexicalDeclContext();
6617 return clang_getNullCursor();
6619 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
6620 getCursorTU(cursor));
6624 // FIXME: Note that we can't easily compute the lexical context of a
6625 // statement or expression, so we return nothing.
6626 return clang_getNullCursor();
6629 CXFile clang_getIncludedFile(CXCursor cursor) {
6630 if (cursor.kind != CXCursor_InclusionDirective)
6633 const InclusionDirective *ID = getCursorInclusionDirective(cursor);
6634 return const_cast<FileEntry *>(ID->getFile());
6637 unsigned clang_Cursor_getObjCPropertyAttributes(CXCursor C, unsigned reserved) {
6638 if (C.kind != CXCursor_ObjCPropertyDecl)
6639 return CXObjCPropertyAttr_noattr;
6641 unsigned Result = CXObjCPropertyAttr_noattr;
6642 const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(getCursorDecl(C));
6643 ObjCPropertyDecl::PropertyAttributeKind Attr =
6644 PD->getPropertyAttributesAsWritten();
6646 #define SET_CXOBJCPROP_ATTR(A) \
6647 if (Attr & ObjCPropertyDecl::OBJC_PR_##A) \
6648 Result |= CXObjCPropertyAttr_##A
6649 SET_CXOBJCPROP_ATTR(readonly);
6650 SET_CXOBJCPROP_ATTR(getter);
6651 SET_CXOBJCPROP_ATTR(assign);
6652 SET_CXOBJCPROP_ATTR(readwrite);
6653 SET_CXOBJCPROP_ATTR(retain);
6654 SET_CXOBJCPROP_ATTR(copy);
6655 SET_CXOBJCPROP_ATTR(nonatomic);
6656 SET_CXOBJCPROP_ATTR(setter);
6657 SET_CXOBJCPROP_ATTR(atomic);
6658 SET_CXOBJCPROP_ATTR(weak);
6659 SET_CXOBJCPROP_ATTR(strong);
6660 SET_CXOBJCPROP_ATTR(unsafe_unretained);
6661 #undef SET_CXOBJCPROP_ATTR
6666 unsigned clang_Cursor_getObjCDeclQualifiers(CXCursor C) {
6667 if (!clang_isDeclaration(C.kind))
6668 return CXObjCDeclQualifier_None;
6670 Decl::ObjCDeclQualifier QT = Decl::OBJC_TQ_None;
6671 const Decl *D = getCursorDecl(C);
6672 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
6673 QT = MD->getObjCDeclQualifier();
6674 else if (const ParmVarDecl *PD = dyn_cast<ParmVarDecl>(D))
6675 QT = PD->getObjCDeclQualifier();
6676 if (QT == Decl::OBJC_TQ_None)
6677 return CXObjCDeclQualifier_None;
6679 unsigned Result = CXObjCDeclQualifier_None;
6680 if (QT & Decl::OBJC_TQ_In) Result |= CXObjCDeclQualifier_In;
6681 if (QT & Decl::OBJC_TQ_Inout) Result |= CXObjCDeclQualifier_Inout;
6682 if (QT & Decl::OBJC_TQ_Out) Result |= CXObjCDeclQualifier_Out;
6683 if (QT & Decl::OBJC_TQ_Bycopy) Result |= CXObjCDeclQualifier_Bycopy;
6684 if (QT & Decl::OBJC_TQ_Byref) Result |= CXObjCDeclQualifier_Byref;
6685 if (QT & Decl::OBJC_TQ_Oneway) Result |= CXObjCDeclQualifier_Oneway;
6690 unsigned clang_Cursor_isObjCOptional(CXCursor C) {
6691 if (!clang_isDeclaration(C.kind))
6694 const Decl *D = getCursorDecl(C);
6695 if (const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(D))
6696 return PD->getPropertyImplementation() == ObjCPropertyDecl::Optional;
6697 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
6698 return MD->getImplementationControl() == ObjCMethodDecl::Optional;
6703 unsigned clang_Cursor_isVariadic(CXCursor C) {
6704 if (!clang_isDeclaration(C.kind))
6707 const Decl *D = getCursorDecl(C);
6708 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
6709 return FD->isVariadic();
6710 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
6711 return MD->isVariadic();
6716 CXSourceRange clang_Cursor_getCommentRange(CXCursor C) {
6717 if (!clang_isDeclaration(C.kind))
6718 return clang_getNullRange();
6720 const Decl *D = getCursorDecl(C);
6721 ASTContext &Context = getCursorContext(C);
6722 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6724 return clang_getNullRange();
6726 return cxloc::translateSourceRange(Context, RC->getSourceRange());
6729 CXString clang_Cursor_getRawCommentText(CXCursor C) {
6730 if (!clang_isDeclaration(C.kind))
6731 return cxstring::createNull();
6733 const Decl *D = getCursorDecl(C);
6734 ASTContext &Context = getCursorContext(C);
6735 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6736 StringRef RawText = RC ? RC->getRawText(Context.getSourceManager()) :
6739 // Don't duplicate the string because RawText points directly into source
6741 return cxstring::createRef(RawText);
6744 CXString clang_Cursor_getBriefCommentText(CXCursor C) {
6745 if (!clang_isDeclaration(C.kind))
6746 return cxstring::createNull();
6748 const Decl *D = getCursorDecl(C);
6749 const ASTContext &Context = getCursorContext(C);
6750 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6753 StringRef BriefText = RC->getBriefText(Context);
6755 // Don't duplicate the string because RawComment ensures that this memory
6756 // will not go away.
6757 return cxstring::createRef(BriefText);
6760 return cxstring::createNull();
6763 CXModule clang_Cursor_getModule(CXCursor C) {
6764 if (C.kind == CXCursor_ModuleImportDecl) {
6765 if (const ImportDecl *ImportD =
6766 dyn_cast_or_null<ImportDecl>(getCursorDecl(C)))
6767 return ImportD->getImportedModule();
6773 CXModule clang_getModuleForFile(CXTranslationUnit TU, CXFile File) {
6774 if (isNotUsableTU(TU)) {
6780 FileEntry *FE = static_cast<FileEntry *>(File);
6782 ASTUnit &Unit = *cxtu::getASTUnit(TU);
6783 HeaderSearch &HS = Unit.getPreprocessor().getHeaderSearchInfo();
6784 ModuleMap::KnownHeader Header = HS.findModuleForHeader(FE);
6786 return Header.getModule();
6789 CXFile clang_Module_getASTFile(CXModule CXMod) {
6792 Module *Mod = static_cast<Module*>(CXMod);
6793 return const_cast<FileEntry *>(Mod->getASTFile());
6796 CXModule clang_Module_getParent(CXModule CXMod) {
6799 Module *Mod = static_cast<Module*>(CXMod);
6803 CXString clang_Module_getName(CXModule CXMod) {
6805 return cxstring::createEmpty();
6806 Module *Mod = static_cast<Module*>(CXMod);
6807 return cxstring::createDup(Mod->Name);
6810 CXString clang_Module_getFullName(CXModule CXMod) {
6812 return cxstring::createEmpty();
6813 Module *Mod = static_cast<Module*>(CXMod);
6814 return cxstring::createDup(Mod->getFullModuleName());
6817 int clang_Module_isSystem(CXModule CXMod) {
6820 Module *Mod = static_cast<Module*>(CXMod);
6821 return Mod->IsSystem;
6824 unsigned clang_Module_getNumTopLevelHeaders(CXTranslationUnit TU,
6826 if (isNotUsableTU(TU)) {
6832 Module *Mod = static_cast<Module*>(CXMod);
6833 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
6834 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
6835 return TopHeaders.size();
6838 CXFile clang_Module_getTopLevelHeader(CXTranslationUnit TU,
6839 CXModule CXMod, unsigned Index) {
6840 if (isNotUsableTU(TU)) {
6846 Module *Mod = static_cast<Module*>(CXMod);
6847 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
6849 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
6850 if (Index < TopHeaders.size())
6851 return const_cast<FileEntry *>(TopHeaders[Index]);
6856 } // end: extern "C"
6858 //===----------------------------------------------------------------------===//
6859 // C++ AST instrospection.
6860 //===----------------------------------------------------------------------===//
6863 unsigned clang_CXXMethod_isPureVirtual(CXCursor C) {
6864 if (!clang_isDeclaration(C.kind))
6867 const Decl *D = cxcursor::getCursorDecl(C);
6868 const CXXMethodDecl *Method =
6869 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
6870 return (Method && Method->isVirtual() && Method->isPure()) ? 1 : 0;
6873 unsigned clang_CXXMethod_isConst(CXCursor C) {
6874 if (!clang_isDeclaration(C.kind))
6877 const Decl *D = cxcursor::getCursorDecl(C);
6878 const CXXMethodDecl *Method =
6879 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
6880 return (Method && (Method->getTypeQualifiers() & Qualifiers::Const)) ? 1 : 0;
6883 unsigned clang_CXXMethod_isStatic(CXCursor C) {
6884 if (!clang_isDeclaration(C.kind))
6887 const Decl *D = cxcursor::getCursorDecl(C);
6888 const CXXMethodDecl *Method =
6889 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
6890 return (Method && Method->isStatic()) ? 1 : 0;
6893 unsigned clang_CXXMethod_isVirtual(CXCursor C) {
6894 if (!clang_isDeclaration(C.kind))
6897 const Decl *D = cxcursor::getCursorDecl(C);
6898 const CXXMethodDecl *Method =
6899 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
6900 return (Method && Method->isVirtual()) ? 1 : 0;
6902 } // end: extern "C"
6904 //===----------------------------------------------------------------------===//
6905 // Attribute introspection.
6906 //===----------------------------------------------------------------------===//
6909 CXType clang_getIBOutletCollectionType(CXCursor C) {
6910 if (C.kind != CXCursor_IBOutletCollectionAttr)
6911 return cxtype::MakeCXType(QualType(), cxcursor::getCursorTU(C));
6913 const IBOutletCollectionAttr *A =
6914 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
6916 return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorTU(C));
6918 } // end: extern "C"
6920 //===----------------------------------------------------------------------===//
6921 // Inspecting memory usage.
6922 //===----------------------------------------------------------------------===//
6924 typedef std::vector<CXTUResourceUsageEntry> MemUsageEntries;
6926 static inline void createCXTUResourceUsageEntry(MemUsageEntries &entries,
6927 enum CXTUResourceUsageKind k,
6928 unsigned long amount) {
6929 CXTUResourceUsageEntry entry = { k, amount };
6930 entries.push_back(entry);
6935 const char *clang_getTUResourceUsageName(CXTUResourceUsageKind kind) {
6936 const char *str = "";
6938 case CXTUResourceUsage_AST:
6939 str = "ASTContext: expressions, declarations, and types";
6941 case CXTUResourceUsage_Identifiers:
6942 str = "ASTContext: identifiers";
6944 case CXTUResourceUsage_Selectors:
6945 str = "ASTContext: selectors";
6947 case CXTUResourceUsage_GlobalCompletionResults:
6948 str = "Code completion: cached global results";
6950 case CXTUResourceUsage_SourceManagerContentCache:
6951 str = "SourceManager: content cache allocator";
6953 case CXTUResourceUsage_AST_SideTables:
6954 str = "ASTContext: side tables";
6956 case CXTUResourceUsage_SourceManager_Membuffer_Malloc:
6957 str = "SourceManager: malloc'ed memory buffers";
6959 case CXTUResourceUsage_SourceManager_Membuffer_MMap:
6960 str = "SourceManager: mmap'ed memory buffers";
6962 case CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc:
6963 str = "ExternalASTSource: malloc'ed memory buffers";
6965 case CXTUResourceUsage_ExternalASTSource_Membuffer_MMap:
6966 str = "ExternalASTSource: mmap'ed memory buffers";
6968 case CXTUResourceUsage_Preprocessor:
6969 str = "Preprocessor: malloc'ed memory";
6971 case CXTUResourceUsage_PreprocessingRecord:
6972 str = "Preprocessor: PreprocessingRecord";
6974 case CXTUResourceUsage_SourceManager_DataStructures:
6975 str = "SourceManager: data structures and tables";
6977 case CXTUResourceUsage_Preprocessor_HeaderSearch:
6978 str = "Preprocessor: header search tables";
6984 CXTUResourceUsage clang_getCXTUResourceUsage(CXTranslationUnit TU) {
6985 if (isNotUsableTU(TU)) {
6987 CXTUResourceUsage usage = { (void*) nullptr, 0, nullptr };
6991 ASTUnit *astUnit = cxtu::getASTUnit(TU);
6992 std::unique_ptr<MemUsageEntries> entries(new MemUsageEntries());
6993 ASTContext &astContext = astUnit->getASTContext();
6995 // How much memory is used by AST nodes and types?
6996 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST,
6997 (unsigned long) astContext.getASTAllocatedMemory());
6999 // How much memory is used by identifiers?
7000 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Identifiers,
7001 (unsigned long) astContext.Idents.getAllocator().getTotalMemory());
7003 // How much memory is used for selectors?
7004 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Selectors,
7005 (unsigned long) astContext.Selectors.getTotalMemory());
7007 // How much memory is used by ASTContext's side tables?
7008 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST_SideTables,
7009 (unsigned long) astContext.getSideTableAllocatedMemory());
7011 // How much memory is used for caching global code completion results?
7012 unsigned long completionBytes = 0;
7013 if (GlobalCodeCompletionAllocator *completionAllocator =
7014 astUnit->getCachedCompletionAllocator().get()) {
7015 completionBytes = completionAllocator->getTotalMemory();
7017 createCXTUResourceUsageEntry(*entries,
7018 CXTUResourceUsage_GlobalCompletionResults,
7021 // How much memory is being used by SourceManager's content cache?
7022 createCXTUResourceUsageEntry(*entries,
7023 CXTUResourceUsage_SourceManagerContentCache,
7024 (unsigned long) astContext.getSourceManager().getContentCacheSize());
7026 // How much memory is being used by the MemoryBuffer's in SourceManager?
7027 const SourceManager::MemoryBufferSizes &srcBufs =
7028 astUnit->getSourceManager().getMemoryBufferSizes();
7030 createCXTUResourceUsageEntry(*entries,
7031 CXTUResourceUsage_SourceManager_Membuffer_Malloc,
7032 (unsigned long) srcBufs.malloc_bytes);
7033 createCXTUResourceUsageEntry(*entries,
7034 CXTUResourceUsage_SourceManager_Membuffer_MMap,
7035 (unsigned long) srcBufs.mmap_bytes);
7036 createCXTUResourceUsageEntry(*entries,
7037 CXTUResourceUsage_SourceManager_DataStructures,
7038 (unsigned long) astContext.getSourceManager()
7039 .getDataStructureSizes());
7041 // How much memory is being used by the ExternalASTSource?
7042 if (ExternalASTSource *esrc = astContext.getExternalSource()) {
7043 const ExternalASTSource::MemoryBufferSizes &sizes =
7044 esrc->getMemoryBufferSizes();
7046 createCXTUResourceUsageEntry(*entries,
7047 CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc,
7048 (unsigned long) sizes.malloc_bytes);
7049 createCXTUResourceUsageEntry(*entries,
7050 CXTUResourceUsage_ExternalASTSource_Membuffer_MMap,
7051 (unsigned long) sizes.mmap_bytes);
7054 // How much memory is being used by the Preprocessor?
7055 Preprocessor &pp = astUnit->getPreprocessor();
7056 createCXTUResourceUsageEntry(*entries,
7057 CXTUResourceUsage_Preprocessor,
7058 pp.getTotalMemory());
7060 if (PreprocessingRecord *pRec = pp.getPreprocessingRecord()) {
7061 createCXTUResourceUsageEntry(*entries,
7062 CXTUResourceUsage_PreprocessingRecord,
7063 pRec->getTotalMemory());
7066 createCXTUResourceUsageEntry(*entries,
7067 CXTUResourceUsage_Preprocessor_HeaderSearch,
7068 pp.getHeaderSearchInfo().getTotalMemory());
7070 CXTUResourceUsage usage = { (void*) entries.get(),
7071 (unsigned) entries->size(),
7072 !entries->empty() ? &(*entries)[0] : nullptr };
7077 void clang_disposeCXTUResourceUsage(CXTUResourceUsage usage) {
7079 delete (MemUsageEntries*) usage.data;
7082 CXSourceRangeList *clang_getSkippedRanges(CXTranslationUnit TU, CXFile file) {
7083 CXSourceRangeList *skipped = new CXSourceRangeList;
7085 skipped->ranges = nullptr;
7087 if (isNotUsableTU(TU)) {
7095 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7096 PreprocessingRecord *ppRec = astUnit->getPreprocessor().getPreprocessingRecord();
7100 ASTContext &Ctx = astUnit->getASTContext();
7101 SourceManager &sm = Ctx.getSourceManager();
7102 FileEntry *fileEntry = static_cast<FileEntry *>(file);
7103 FileID wantedFileID = sm.translateFile(fileEntry);
7105 const std::vector<SourceRange> &SkippedRanges = ppRec->getSkippedRanges();
7106 std::vector<SourceRange> wantedRanges;
7107 for (std::vector<SourceRange>::const_iterator i = SkippedRanges.begin(), ei = SkippedRanges.end();
7109 if (sm.getFileID(i->getBegin()) == wantedFileID || sm.getFileID(i->getEnd()) == wantedFileID)
7110 wantedRanges.push_back(*i);
7113 skipped->count = wantedRanges.size();
7114 skipped->ranges = new CXSourceRange[skipped->count];
7115 for (unsigned i = 0, ei = skipped->count; i != ei; ++i)
7116 skipped->ranges[i] = cxloc::translateSourceRange(Ctx, wantedRanges[i]);
7121 void clang_disposeSourceRangeList(CXSourceRangeList *ranges) {
7123 delete[] ranges->ranges;
7130 void clang::PrintLibclangResourceUsage(CXTranslationUnit TU) {
7131 CXTUResourceUsage Usage = clang_getCXTUResourceUsage(TU);
7132 for (unsigned I = 0; I != Usage.numEntries; ++I)
7133 fprintf(stderr, " %s: %lu\n",
7134 clang_getTUResourceUsageName(Usage.entries[I].kind),
7135 Usage.entries[I].amount);
7137 clang_disposeCXTUResourceUsage(Usage);
7140 //===----------------------------------------------------------------------===//
7141 // Misc. utility functions.
7142 //===----------------------------------------------------------------------===//
7144 /// Default to using an 8 MB stack size on "safety" threads.
7145 static unsigned SafetyStackThreadSize = 8 << 20;
7149 bool RunSafely(llvm::CrashRecoveryContext &CRC, llvm::function_ref<void()> Fn,
7152 Size = GetSafetyThreadStackSize();
7154 return CRC.RunSafelyOnThread(Fn, Size);
7155 return CRC.RunSafely(Fn);
7158 unsigned GetSafetyThreadStackSize() {
7159 return SafetyStackThreadSize;
7162 void SetSafetyThreadStackSize(unsigned Value) {
7163 SafetyStackThreadSize = Value;
7168 void clang::setThreadBackgroundPriority() {
7169 if (getenv("LIBCLANG_BGPRIO_DISABLE"))
7172 #ifdef USE_DARWIN_THREADS
7173 setpriority(PRIO_DARWIN_THREAD, 0, PRIO_DARWIN_BG);
7177 void cxindex::printDiagsToStderr(ASTUnit *Unit) {
7181 for (ASTUnit::stored_diag_iterator D = Unit->stored_diag_begin(),
7182 DEnd = Unit->stored_diag_end();
7184 CXStoredDiagnostic Diag(*D, Unit->getLangOpts());
7185 CXString Msg = clang_formatDiagnostic(&Diag,
7186 clang_defaultDiagnosticDisplayOptions());
7187 fprintf(stderr, "%s\n", clang_getCString(Msg));
7188 clang_disposeString(Msg);
7190 #ifdef LLVM_ON_WIN32
7191 // On Windows, force a flush, since there may be multiple copies of
7192 // stderr and stdout in the file system, all with different buffers
7193 // but writing to the same device.
7198 MacroInfo *cxindex::getMacroInfo(const IdentifierInfo &II,
7199 SourceLocation MacroDefLoc,
7200 CXTranslationUnit TU){
7201 if (MacroDefLoc.isInvalid() || !TU)
7203 if (!II.hadMacroDefinition())
7206 ASTUnit *Unit = cxtu::getASTUnit(TU);
7207 Preprocessor &PP = Unit->getPreprocessor();
7208 MacroDirective *MD = PP.getLocalMacroDirectiveHistory(&II);
7210 for (MacroDirective::DefInfo
7211 Def = MD->getDefinition(); Def; Def = Def.getPreviousDefinition()) {
7212 if (MacroDefLoc == Def.getMacroInfo()->getDefinitionLoc())
7213 return Def.getMacroInfo();
7220 const MacroInfo *cxindex::getMacroInfo(const MacroDefinitionRecord *MacroDef,
7221 CXTranslationUnit TU) {
7222 if (!MacroDef || !TU)
7224 const IdentifierInfo *II = MacroDef->getName();
7228 return getMacroInfo(*II, MacroDef->getLocation(), TU);
7231 MacroDefinitionRecord *
7232 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, const Token &Tok,
7233 CXTranslationUnit TU) {
7236 if (Tok.isNot(tok::raw_identifier))
7239 if (MI->getNumTokens() == 0)
7241 SourceRange DefRange(MI->getReplacementToken(0).getLocation(),
7242 MI->getDefinitionEndLoc());
7243 ASTUnit *Unit = cxtu::getASTUnit(TU);
7245 // Check that the token is inside the definition and not its argument list.
7246 SourceManager &SM = Unit->getSourceManager();
7247 if (SM.isBeforeInTranslationUnit(Tok.getLocation(), DefRange.getBegin()))
7249 if (SM.isBeforeInTranslationUnit(DefRange.getEnd(), Tok.getLocation()))
7252 Preprocessor &PP = Unit->getPreprocessor();
7253 PreprocessingRecord *PPRec = PP.getPreprocessingRecord();
7257 IdentifierInfo &II = PP.getIdentifierTable().get(Tok.getRawIdentifier());
7258 if (!II.hadMacroDefinition())
7261 // Check that the identifier is not one of the macro arguments.
7262 if (std::find(MI->arg_begin(), MI->arg_end(), &II) != MI->arg_end())
7265 MacroDirective *InnerMD = PP.getLocalMacroDirectiveHistory(&II);
7269 return PPRec->findMacroDefinition(InnerMD->getMacroInfo());
7272 MacroDefinitionRecord *
7273 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, SourceLocation Loc,
7274 CXTranslationUnit TU) {
7275 if (Loc.isInvalid() || !MI || !TU)
7278 if (MI->getNumTokens() == 0)
7280 ASTUnit *Unit = cxtu::getASTUnit(TU);
7281 Preprocessor &PP = Unit->getPreprocessor();
7282 if (!PP.getPreprocessingRecord())
7284 Loc = Unit->getSourceManager().getSpellingLoc(Loc);
7286 if (PP.getRawToken(Loc, Tok))
7289 return checkForMacroInMacroDefinition(MI, Tok, TU);
7294 CXString clang_getClangVersion() {
7295 return cxstring::createDup(getClangFullVersion());
7298 } // end: extern "C"
7300 Logger &cxindex::Logger::operator<<(CXTranslationUnit TU) {
7302 if (ASTUnit *Unit = cxtu::getASTUnit(TU)) {
7303 LogOS << '<' << Unit->getMainFileName() << '>';
7304 if (Unit->isMainFileAST())
7305 LogOS << " (" << Unit->getASTFileName() << ')';
7309 LogOS << "<NULL TU>";
7314 Logger &cxindex::Logger::operator<<(const FileEntry *FE) {
7315 *this << FE->getName();
7319 Logger &cxindex::Logger::operator<<(CXCursor cursor) {
7320 CXString cursorName = clang_getCursorDisplayName(cursor);
7321 *this << cursorName << "@" << clang_getCursorLocation(cursor);
7322 clang_disposeString(cursorName);
7326 Logger &cxindex::Logger::operator<<(CXSourceLocation Loc) {
7328 unsigned Line, Column;
7329 clang_getFileLocation(Loc, &File, &Line, &Column, nullptr);
7330 CXString FileName = clang_getFileName(File);
7331 *this << llvm::format("(%s:%d:%d)", clang_getCString(FileName), Line, Column);
7332 clang_disposeString(FileName);
7336 Logger &cxindex::Logger::operator<<(CXSourceRange range) {
7337 CXSourceLocation BLoc = clang_getRangeStart(range);
7338 CXSourceLocation ELoc = clang_getRangeEnd(range);
7341 unsigned BLine, BColumn;
7342 clang_getFileLocation(BLoc, &BFile, &BLine, &BColumn, nullptr);
7345 unsigned ELine, EColumn;
7346 clang_getFileLocation(ELoc, &EFile, &ELine, &EColumn, nullptr);
7348 CXString BFileName = clang_getFileName(BFile);
7349 if (BFile == EFile) {
7350 *this << llvm::format("[%s %d:%d-%d:%d]", clang_getCString(BFileName),
7351 BLine, BColumn, ELine, EColumn);
7353 CXString EFileName = clang_getFileName(EFile);
7354 *this << llvm::format("[%s:%d:%d - ", clang_getCString(BFileName),
7356 << llvm::format("%s:%d:%d]", clang_getCString(EFileName),
7358 clang_disposeString(EFileName);
7360 clang_disposeString(BFileName);
7364 Logger &cxindex::Logger::operator<<(CXString Str) {
7365 *this << clang_getCString(Str);
7369 Logger &cxindex::Logger::operator<<(const llvm::format_object_base &Fmt) {
7374 static llvm::ManagedStatic<llvm::sys::Mutex> LoggingMutex;
7376 cxindex::Logger::~Logger() {
7377 llvm::sys::ScopedLock L(*LoggingMutex);
7379 static llvm::TimeRecord sBeginTR = llvm::TimeRecord::getCurrentTime();
7381 raw_ostream &OS = llvm::errs();
7382 OS << "[libclang:" << Name << ':';
7384 #ifdef USE_DARWIN_THREADS
7385 // TODO: Portability.
7386 mach_port_t tid = pthread_mach_thread_np(pthread_self());
7390 llvm::TimeRecord TR = llvm::TimeRecord::getCurrentTime();
7391 OS << llvm::format("%7.4f] ", TR.getWallTime() - sBeginTR.getWallTime());
7395 llvm::sys::PrintStackTrace(OS);
7396 OS << "--------------------------------------------------\n";