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::OCLImage2dDepth:
1464 case BuiltinType::OCLImage2dArrayDepth:
1465 case BuiltinType::OCLImage2dMSAA:
1466 case BuiltinType::OCLImage2dArrayMSAA:
1467 case BuiltinType::OCLImage2dMSAADepth:
1468 case BuiltinType::OCLImage2dArrayMSAADepth:
1469 case BuiltinType::OCLImage3d:
1470 case BuiltinType::OCLSampler:
1471 case BuiltinType::OCLEvent:
1472 case BuiltinType::OCLClkEvent:
1473 case BuiltinType::OCLQueue:
1474 case BuiltinType::OCLNDRange:
1475 case BuiltinType::OCLReserveID:
1476 #define BUILTIN_TYPE(Id, SingletonId)
1477 #define SIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1478 #define UNSIGNED_TYPE(Id, SingletonId) case BuiltinType::Id:
1479 #define FLOATING_TYPE(Id, SingletonId) case BuiltinType::Id:
1480 #define PLACEHOLDER_TYPE(Id, SingletonId) case BuiltinType::Id:
1481 #include "clang/AST/BuiltinTypes.def"
1484 case BuiltinType::ObjCId:
1485 VisitType = Context.getObjCIdType();
1488 case BuiltinType::ObjCClass:
1489 VisitType = Context.getObjCClassType();
1492 case BuiltinType::ObjCSel:
1493 VisitType = Context.getObjCSelType();
1497 if (!VisitType.isNull()) {
1498 if (const TypedefType *Typedef = VisitType->getAs<TypedefType>())
1499 return Visit(MakeCursorTypeRef(Typedef->getDecl(), TL.getBuiltinLoc(),
1506 bool CursorVisitor::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
1507 return Visit(MakeCursorTypeRef(TL.getTypedefNameDecl(), TL.getNameLoc(), TU));
1510 bool CursorVisitor::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
1511 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1514 bool CursorVisitor::VisitTagTypeLoc(TagTypeLoc TL) {
1515 if (TL.isDefinition())
1516 return Visit(MakeCXCursor(TL.getDecl(), TU, RegionOfInterest));
1518 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1521 bool CursorVisitor::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
1522 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1525 bool CursorVisitor::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
1526 if (Visit(MakeCursorObjCClassRef(TL.getIFaceDecl(), TL.getNameLoc(), TU)))
1532 bool CursorVisitor::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
1533 if (TL.hasBaseTypeAsWritten() && Visit(TL.getBaseLoc()))
1536 for (unsigned I = 0, N = TL.getNumTypeArgs(); I != N; ++I) {
1537 if (Visit(TL.getTypeArgTInfo(I)->getTypeLoc()))
1541 for (unsigned I = 0, N = TL.getNumProtocols(); I != N; ++I) {
1542 if (Visit(MakeCursorObjCProtocolRef(TL.getProtocol(I), TL.getProtocolLoc(I),
1550 bool CursorVisitor::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
1551 return Visit(TL.getPointeeLoc());
1554 bool CursorVisitor::VisitParenTypeLoc(ParenTypeLoc TL) {
1555 return Visit(TL.getInnerLoc());
1558 bool CursorVisitor::VisitPointerTypeLoc(PointerTypeLoc TL) {
1559 return Visit(TL.getPointeeLoc());
1562 bool CursorVisitor::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
1563 return Visit(TL.getPointeeLoc());
1566 bool CursorVisitor::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
1567 return Visit(TL.getPointeeLoc());
1570 bool CursorVisitor::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
1571 return Visit(TL.getPointeeLoc());
1574 bool CursorVisitor::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
1575 return Visit(TL.getPointeeLoc());
1578 bool CursorVisitor::VisitAttributedTypeLoc(AttributedTypeLoc TL) {
1579 return Visit(TL.getModifiedLoc());
1582 bool CursorVisitor::VisitFunctionTypeLoc(FunctionTypeLoc TL,
1583 bool SkipResultType) {
1584 if (!SkipResultType && Visit(TL.getReturnLoc()))
1587 for (unsigned I = 0, N = TL.getNumParams(); I != N; ++I)
1588 if (Decl *D = TL.getParam(I))
1589 if (Visit(MakeCXCursor(D, TU, RegionOfInterest)))
1595 bool CursorVisitor::VisitArrayTypeLoc(ArrayTypeLoc TL) {
1596 if (Visit(TL.getElementLoc()))
1599 if (Expr *Size = TL.getSizeExpr())
1600 return Visit(MakeCXCursor(Size, StmtParent, TU, RegionOfInterest));
1605 bool CursorVisitor::VisitDecayedTypeLoc(DecayedTypeLoc TL) {
1606 return Visit(TL.getOriginalLoc());
1609 bool CursorVisitor::VisitAdjustedTypeLoc(AdjustedTypeLoc TL) {
1610 return Visit(TL.getOriginalLoc());
1613 bool CursorVisitor::VisitTemplateSpecializationTypeLoc(
1614 TemplateSpecializationTypeLoc TL) {
1615 // Visit the template name.
1616 if (VisitTemplateName(TL.getTypePtr()->getTemplateName(),
1617 TL.getTemplateNameLoc()))
1620 // Visit the template arguments.
1621 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1622 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1628 bool CursorVisitor::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
1629 return Visit(MakeCXCursor(TL.getUnderlyingExpr(), StmtParent, TU));
1632 bool CursorVisitor::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
1633 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1634 return Visit(TSInfo->getTypeLoc());
1639 bool CursorVisitor::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) {
1640 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1641 return Visit(TSInfo->getTypeLoc());
1646 bool CursorVisitor::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) {
1647 if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1653 bool CursorVisitor::VisitDependentTemplateSpecializationTypeLoc(
1654 DependentTemplateSpecializationTypeLoc TL) {
1655 // Visit the nested-name-specifier, if there is one.
1656 if (TL.getQualifierLoc() &&
1657 VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1660 // Visit the template arguments.
1661 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1662 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1668 bool CursorVisitor::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
1669 if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1672 return Visit(TL.getNamedTypeLoc());
1675 bool CursorVisitor::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) {
1676 return Visit(TL.getPatternLoc());
1679 bool CursorVisitor::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
1680 if (Expr *E = TL.getUnderlyingExpr())
1681 return Visit(MakeCXCursor(E, StmtParent, TU));
1686 bool CursorVisitor::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) {
1687 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1690 bool CursorVisitor::VisitAtomicTypeLoc(AtomicTypeLoc TL) {
1691 return Visit(TL.getValueLoc());
1694 #define DEFAULT_TYPELOC_IMPL(CLASS, PARENT) \
1695 bool CursorVisitor::Visit##CLASS##TypeLoc(CLASS##TypeLoc TL) { \
1696 return Visit##PARENT##Loc(TL); \
1699 DEFAULT_TYPELOC_IMPL(Complex, Type)
1700 DEFAULT_TYPELOC_IMPL(ConstantArray, ArrayType)
1701 DEFAULT_TYPELOC_IMPL(IncompleteArray, ArrayType)
1702 DEFAULT_TYPELOC_IMPL(VariableArray, ArrayType)
1703 DEFAULT_TYPELOC_IMPL(DependentSizedArray, ArrayType)
1704 DEFAULT_TYPELOC_IMPL(DependentSizedExtVector, Type)
1705 DEFAULT_TYPELOC_IMPL(Vector, Type)
1706 DEFAULT_TYPELOC_IMPL(ExtVector, VectorType)
1707 DEFAULT_TYPELOC_IMPL(FunctionProto, FunctionType)
1708 DEFAULT_TYPELOC_IMPL(FunctionNoProto, FunctionType)
1709 DEFAULT_TYPELOC_IMPL(Record, TagType)
1710 DEFAULT_TYPELOC_IMPL(Enum, TagType)
1711 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParm, Type)
1712 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParmPack, Type)
1713 DEFAULT_TYPELOC_IMPL(Auto, Type)
1715 bool CursorVisitor::VisitCXXRecordDecl(CXXRecordDecl *D) {
1716 // Visit the nested-name-specifier, if present.
1717 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1718 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1721 if (D->isCompleteDefinition()) {
1722 for (const auto &I : D->bases()) {
1723 if (Visit(cxcursor::MakeCursorCXXBaseSpecifier(&I, TU)))
1728 return VisitTagDecl(D);
1731 bool CursorVisitor::VisitAttributes(Decl *D) {
1732 for (const auto *I : D->attrs())
1733 if (Visit(MakeCXCursor(I, D, TU)))
1739 //===----------------------------------------------------------------------===//
1740 // Data-recursive visitor methods.
1741 //===----------------------------------------------------------------------===//
1744 #define DEF_JOB(NAME, DATA, KIND)\
1745 class NAME : public VisitorJob {\
1747 NAME(const DATA *d, CXCursor parent) : \
1748 VisitorJob(parent, VisitorJob::KIND, d) {} \
1749 static bool classof(const VisitorJob *VJ) { return VJ->getKind() == KIND; }\
1750 const DATA *get() const { return static_cast<const DATA*>(data[0]); }\
1753 DEF_JOB(StmtVisit, Stmt, StmtVisitKind)
1754 DEF_JOB(MemberExprParts, MemberExpr, MemberExprPartsKind)
1755 DEF_JOB(DeclRefExprParts, DeclRefExpr, DeclRefExprPartsKind)
1756 DEF_JOB(OverloadExprParts, OverloadExpr, OverloadExprPartsKind)
1757 DEF_JOB(ExplicitTemplateArgsVisit, ASTTemplateArgumentListInfo,
1758 ExplicitTemplateArgsVisitKind)
1759 DEF_JOB(SizeOfPackExprParts, SizeOfPackExpr, SizeOfPackExprPartsKind)
1760 DEF_JOB(LambdaExprParts, LambdaExpr, LambdaExprPartsKind)
1761 DEF_JOB(PostChildrenVisit, void, PostChildrenVisitKind)
1764 class DeclVisit : public VisitorJob {
1766 DeclVisit(const Decl *D, CXCursor parent, bool isFirst) :
1767 VisitorJob(parent, VisitorJob::DeclVisitKind,
1768 D, isFirst ? (void*) 1 : (void*) nullptr) {}
1769 static bool classof(const VisitorJob *VJ) {
1770 return VJ->getKind() == DeclVisitKind;
1772 const Decl *get() const { return static_cast<const Decl *>(data[0]); }
1773 bool isFirst() const { return data[1] != nullptr; }
1775 class TypeLocVisit : public VisitorJob {
1777 TypeLocVisit(TypeLoc tl, CXCursor parent) :
1778 VisitorJob(parent, VisitorJob::TypeLocVisitKind,
1779 tl.getType().getAsOpaquePtr(), tl.getOpaqueData()) {}
1781 static bool classof(const VisitorJob *VJ) {
1782 return VJ->getKind() == TypeLocVisitKind;
1785 TypeLoc get() const {
1786 QualType T = QualType::getFromOpaquePtr(data[0]);
1787 return TypeLoc(T, const_cast<void *>(data[1]));
1791 class LabelRefVisit : public VisitorJob {
1793 LabelRefVisit(LabelDecl *LD, SourceLocation labelLoc, CXCursor parent)
1794 : VisitorJob(parent, VisitorJob::LabelRefVisitKind, LD,
1795 labelLoc.getPtrEncoding()) {}
1797 static bool classof(const VisitorJob *VJ) {
1798 return VJ->getKind() == VisitorJob::LabelRefVisitKind;
1800 const LabelDecl *get() const {
1801 return static_cast<const LabelDecl *>(data[0]);
1803 SourceLocation getLoc() const {
1804 return SourceLocation::getFromPtrEncoding(data[1]); }
1807 class NestedNameSpecifierLocVisit : public VisitorJob {
1809 NestedNameSpecifierLocVisit(NestedNameSpecifierLoc Qualifier, CXCursor parent)
1810 : VisitorJob(parent, VisitorJob::NestedNameSpecifierLocVisitKind,
1811 Qualifier.getNestedNameSpecifier(),
1812 Qualifier.getOpaqueData()) { }
1814 static bool classof(const VisitorJob *VJ) {
1815 return VJ->getKind() == VisitorJob::NestedNameSpecifierLocVisitKind;
1818 NestedNameSpecifierLoc get() const {
1819 return NestedNameSpecifierLoc(
1820 const_cast<NestedNameSpecifier *>(
1821 static_cast<const NestedNameSpecifier *>(data[0])),
1822 const_cast<void *>(data[1]));
1826 class DeclarationNameInfoVisit : public VisitorJob {
1828 DeclarationNameInfoVisit(const Stmt *S, CXCursor parent)
1829 : VisitorJob(parent, VisitorJob::DeclarationNameInfoVisitKind, S) {}
1830 static bool classof(const VisitorJob *VJ) {
1831 return VJ->getKind() == VisitorJob::DeclarationNameInfoVisitKind;
1833 DeclarationNameInfo get() const {
1834 const Stmt *S = static_cast<const Stmt *>(data[0]);
1835 switch (S->getStmtClass()) {
1837 llvm_unreachable("Unhandled Stmt");
1838 case clang::Stmt::MSDependentExistsStmtClass:
1839 return cast<MSDependentExistsStmt>(S)->getNameInfo();
1840 case Stmt::CXXDependentScopeMemberExprClass:
1841 return cast<CXXDependentScopeMemberExpr>(S)->getMemberNameInfo();
1842 case Stmt::DependentScopeDeclRefExprClass:
1843 return cast<DependentScopeDeclRefExpr>(S)->getNameInfo();
1844 case Stmt::OMPCriticalDirectiveClass:
1845 return cast<OMPCriticalDirective>(S)->getDirectiveName();
1849 class MemberRefVisit : public VisitorJob {
1851 MemberRefVisit(const FieldDecl *D, SourceLocation L, CXCursor parent)
1852 : VisitorJob(parent, VisitorJob::MemberRefVisitKind, D,
1853 L.getPtrEncoding()) {}
1854 static bool classof(const VisitorJob *VJ) {
1855 return VJ->getKind() == VisitorJob::MemberRefVisitKind;
1857 const FieldDecl *get() const {
1858 return static_cast<const FieldDecl *>(data[0]);
1860 SourceLocation getLoc() const {
1861 return SourceLocation::getFromRawEncoding((unsigned)(uintptr_t) data[1]);
1864 class EnqueueVisitor : public ConstStmtVisitor<EnqueueVisitor, void> {
1865 friend class OMPClauseEnqueue;
1866 VisitorWorkList &WL;
1869 EnqueueVisitor(VisitorWorkList &wl, CXCursor parent)
1870 : WL(wl), Parent(parent) {}
1872 void VisitAddrLabelExpr(const AddrLabelExpr *E);
1873 void VisitBlockExpr(const BlockExpr *B);
1874 void VisitCompoundLiteralExpr(const CompoundLiteralExpr *E);
1875 void VisitCompoundStmt(const CompoundStmt *S);
1876 void VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *E) { /* Do nothing. */ }
1877 void VisitMSDependentExistsStmt(const MSDependentExistsStmt *S);
1878 void VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E);
1879 void VisitCXXNewExpr(const CXXNewExpr *E);
1880 void VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *E);
1881 void VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *E);
1882 void VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *E);
1883 void VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *E);
1884 void VisitCXXTypeidExpr(const CXXTypeidExpr *E);
1885 void VisitCXXUnresolvedConstructExpr(const CXXUnresolvedConstructExpr *E);
1886 void VisitCXXUuidofExpr(const CXXUuidofExpr *E);
1887 void VisitCXXCatchStmt(const CXXCatchStmt *S);
1888 void VisitCXXForRangeStmt(const CXXForRangeStmt *S);
1889 void VisitDeclRefExpr(const DeclRefExpr *D);
1890 void VisitDeclStmt(const DeclStmt *S);
1891 void VisitDependentScopeDeclRefExpr(const DependentScopeDeclRefExpr *E);
1892 void VisitDesignatedInitExpr(const DesignatedInitExpr *E);
1893 void VisitExplicitCastExpr(const ExplicitCastExpr *E);
1894 void VisitForStmt(const ForStmt *FS);
1895 void VisitGotoStmt(const GotoStmt *GS);
1896 void VisitIfStmt(const IfStmt *If);
1897 void VisitInitListExpr(const InitListExpr *IE);
1898 void VisitMemberExpr(const MemberExpr *M);
1899 void VisitOffsetOfExpr(const OffsetOfExpr *E);
1900 void VisitObjCEncodeExpr(const ObjCEncodeExpr *E);
1901 void VisitObjCMessageExpr(const ObjCMessageExpr *M);
1902 void VisitOverloadExpr(const OverloadExpr *E);
1903 void VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *E);
1904 void VisitStmt(const Stmt *S);
1905 void VisitSwitchStmt(const SwitchStmt *S);
1906 void VisitWhileStmt(const WhileStmt *W);
1907 void VisitTypeTraitExpr(const TypeTraitExpr *E);
1908 void VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E);
1909 void VisitExpressionTraitExpr(const ExpressionTraitExpr *E);
1910 void VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U);
1911 void VisitVAArgExpr(const VAArgExpr *E);
1912 void VisitSizeOfPackExpr(const SizeOfPackExpr *E);
1913 void VisitPseudoObjectExpr(const PseudoObjectExpr *E);
1914 void VisitOpaqueValueExpr(const OpaqueValueExpr *E);
1915 void VisitLambdaExpr(const LambdaExpr *E);
1916 void VisitOMPExecutableDirective(const OMPExecutableDirective *D);
1917 void VisitOMPLoopDirective(const OMPLoopDirective *D);
1918 void VisitOMPParallelDirective(const OMPParallelDirective *D);
1919 void VisitOMPSimdDirective(const OMPSimdDirective *D);
1920 void VisitOMPForDirective(const OMPForDirective *D);
1921 void VisitOMPForSimdDirective(const OMPForSimdDirective *D);
1922 void VisitOMPSectionsDirective(const OMPSectionsDirective *D);
1923 void VisitOMPSectionDirective(const OMPSectionDirective *D);
1924 void VisitOMPSingleDirective(const OMPSingleDirective *D);
1925 void VisitOMPMasterDirective(const OMPMasterDirective *D);
1926 void VisitOMPCriticalDirective(const OMPCriticalDirective *D);
1927 void VisitOMPParallelForDirective(const OMPParallelForDirective *D);
1928 void VisitOMPParallelForSimdDirective(const OMPParallelForSimdDirective *D);
1929 void VisitOMPParallelSectionsDirective(const OMPParallelSectionsDirective *D);
1930 void VisitOMPTaskDirective(const OMPTaskDirective *D);
1931 void VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D);
1932 void VisitOMPBarrierDirective(const OMPBarrierDirective *D);
1933 void VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D);
1934 void VisitOMPTaskgroupDirective(const OMPTaskgroupDirective *D);
1936 VisitOMPCancellationPointDirective(const OMPCancellationPointDirective *D);
1937 void VisitOMPCancelDirective(const OMPCancelDirective *D);
1938 void VisitOMPFlushDirective(const OMPFlushDirective *D);
1939 void VisitOMPOrderedDirective(const OMPOrderedDirective *D);
1940 void VisitOMPAtomicDirective(const OMPAtomicDirective *D);
1941 void VisitOMPTargetDirective(const OMPTargetDirective *D);
1942 void VisitOMPTargetDataDirective(const OMPTargetDataDirective *D);
1943 void VisitOMPTeamsDirective(const OMPTeamsDirective *D);
1946 void AddDeclarationNameInfo(const Stmt *S);
1947 void AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier);
1948 void AddExplicitTemplateArgs(const ASTTemplateArgumentListInfo *A);
1949 void AddMemberRef(const FieldDecl *D, SourceLocation L);
1950 void AddStmt(const Stmt *S);
1951 void AddDecl(const Decl *D, bool isFirst = true);
1952 void AddTypeLoc(TypeSourceInfo *TI);
1953 void EnqueueChildren(const Stmt *S);
1954 void EnqueueChildren(const OMPClause *S);
1956 } // end anonyous namespace
1958 void EnqueueVisitor::AddDeclarationNameInfo(const Stmt *S) {
1959 // 'S' should always be non-null, since it comes from the
1960 // statement we are visiting.
1961 WL.push_back(DeclarationNameInfoVisit(S, Parent));
1965 EnqueueVisitor::AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1967 WL.push_back(NestedNameSpecifierLocVisit(Qualifier, Parent));
1970 void EnqueueVisitor::AddStmt(const Stmt *S) {
1972 WL.push_back(StmtVisit(S, Parent));
1974 void EnqueueVisitor::AddDecl(const Decl *D, bool isFirst) {
1976 WL.push_back(DeclVisit(D, Parent, isFirst));
1978 void EnqueueVisitor::
1979 AddExplicitTemplateArgs(const ASTTemplateArgumentListInfo *A) {
1981 WL.push_back(ExplicitTemplateArgsVisit(A, Parent));
1983 void EnqueueVisitor::AddMemberRef(const FieldDecl *D, SourceLocation L) {
1985 WL.push_back(MemberRefVisit(D, L, Parent));
1987 void EnqueueVisitor::AddTypeLoc(TypeSourceInfo *TI) {
1989 WL.push_back(TypeLocVisit(TI->getTypeLoc(), Parent));
1991 void EnqueueVisitor::EnqueueChildren(const Stmt *S) {
1992 unsigned size = WL.size();
1993 for (const Stmt *SubStmt : S->children()) {
1996 if (size == WL.size())
1998 // Now reverse the entries we just added. This will match the DFS
1999 // ordering performed by the worklist.
2000 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2004 class OMPClauseEnqueue : public ConstOMPClauseVisitor<OMPClauseEnqueue> {
2005 EnqueueVisitor *Visitor;
2006 /// \brief Process clauses with list of variables.
2007 template <typename T>
2008 void VisitOMPClauseList(T *Node);
2010 OMPClauseEnqueue(EnqueueVisitor *Visitor) : Visitor(Visitor) { }
2011 #define OPENMP_CLAUSE(Name, Class) \
2012 void Visit##Class(const Class *C);
2013 #include "clang/Basic/OpenMPKinds.def"
2016 void OMPClauseEnqueue::VisitOMPIfClause(const OMPIfClause *C) {
2017 Visitor->AddStmt(C->getCondition());
2020 void OMPClauseEnqueue::VisitOMPFinalClause(const OMPFinalClause *C) {
2021 Visitor->AddStmt(C->getCondition());
2024 void OMPClauseEnqueue::VisitOMPNumThreadsClause(const OMPNumThreadsClause *C) {
2025 Visitor->AddStmt(C->getNumThreads());
2028 void OMPClauseEnqueue::VisitOMPSafelenClause(const OMPSafelenClause *C) {
2029 Visitor->AddStmt(C->getSafelen());
2032 void OMPClauseEnqueue::VisitOMPSimdlenClause(const OMPSimdlenClause *C) {
2033 Visitor->AddStmt(C->getSimdlen());
2036 void OMPClauseEnqueue::VisitOMPCollapseClause(const OMPCollapseClause *C) {
2037 Visitor->AddStmt(C->getNumForLoops());
2040 void OMPClauseEnqueue::VisitOMPDefaultClause(const OMPDefaultClause *C) { }
2042 void OMPClauseEnqueue::VisitOMPProcBindClause(const OMPProcBindClause *C) { }
2044 void OMPClauseEnqueue::VisitOMPScheduleClause(const OMPScheduleClause *C) {
2045 Visitor->AddStmt(C->getChunkSize());
2046 Visitor->AddStmt(C->getHelperChunkSize());
2049 void OMPClauseEnqueue::VisitOMPOrderedClause(const OMPOrderedClause *C) {
2050 Visitor->AddStmt(C->getNumForLoops());
2053 void OMPClauseEnqueue::VisitOMPNowaitClause(const OMPNowaitClause *) {}
2055 void OMPClauseEnqueue::VisitOMPUntiedClause(const OMPUntiedClause *) {}
2057 void OMPClauseEnqueue::VisitOMPMergeableClause(const OMPMergeableClause *) {}
2059 void OMPClauseEnqueue::VisitOMPReadClause(const OMPReadClause *) {}
2061 void OMPClauseEnqueue::VisitOMPWriteClause(const OMPWriteClause *) {}
2063 void OMPClauseEnqueue::VisitOMPUpdateClause(const OMPUpdateClause *) {}
2065 void OMPClauseEnqueue::VisitOMPCaptureClause(const OMPCaptureClause *) {}
2067 void OMPClauseEnqueue::VisitOMPSeqCstClause(const OMPSeqCstClause *) {}
2069 void OMPClauseEnqueue::VisitOMPDeviceClause(const OMPDeviceClause *C) {
2070 Visitor->AddStmt(C->getDevice());
2073 template<typename T>
2074 void OMPClauseEnqueue::VisitOMPClauseList(T *Node) {
2075 for (const auto *I : Node->varlists()) {
2076 Visitor->AddStmt(I);
2080 void OMPClauseEnqueue::VisitOMPPrivateClause(const OMPPrivateClause *C) {
2081 VisitOMPClauseList(C);
2082 for (const auto *E : C->private_copies()) {
2083 Visitor->AddStmt(E);
2086 void OMPClauseEnqueue::VisitOMPFirstprivateClause(
2087 const OMPFirstprivateClause *C) {
2088 VisitOMPClauseList(C);
2090 void OMPClauseEnqueue::VisitOMPLastprivateClause(
2091 const OMPLastprivateClause *C) {
2092 VisitOMPClauseList(C);
2093 for (auto *E : C->private_copies()) {
2094 Visitor->AddStmt(E);
2096 for (auto *E : C->source_exprs()) {
2097 Visitor->AddStmt(E);
2099 for (auto *E : C->destination_exprs()) {
2100 Visitor->AddStmt(E);
2102 for (auto *E : C->assignment_ops()) {
2103 Visitor->AddStmt(E);
2106 void OMPClauseEnqueue::VisitOMPSharedClause(const OMPSharedClause *C) {
2107 VisitOMPClauseList(C);
2109 void OMPClauseEnqueue::VisitOMPReductionClause(const OMPReductionClause *C) {
2110 VisitOMPClauseList(C);
2111 for (auto *E : C->lhs_exprs()) {
2112 Visitor->AddStmt(E);
2114 for (auto *E : C->rhs_exprs()) {
2115 Visitor->AddStmt(E);
2117 for (auto *E : C->reduction_ops()) {
2118 Visitor->AddStmt(E);
2121 void OMPClauseEnqueue::VisitOMPLinearClause(const OMPLinearClause *C) {
2122 VisitOMPClauseList(C);
2123 for (const auto *E : C->privates()) {
2124 Visitor->AddStmt(E);
2126 for (const auto *E : C->inits()) {
2127 Visitor->AddStmt(E);
2129 for (const auto *E : C->updates()) {
2130 Visitor->AddStmt(E);
2132 for (const auto *E : C->finals()) {
2133 Visitor->AddStmt(E);
2135 Visitor->AddStmt(C->getStep());
2136 Visitor->AddStmt(C->getCalcStep());
2138 void OMPClauseEnqueue::VisitOMPAlignedClause(const OMPAlignedClause *C) {
2139 VisitOMPClauseList(C);
2140 Visitor->AddStmt(C->getAlignment());
2142 void OMPClauseEnqueue::VisitOMPCopyinClause(const OMPCopyinClause *C) {
2143 VisitOMPClauseList(C);
2144 for (auto *E : C->source_exprs()) {
2145 Visitor->AddStmt(E);
2147 for (auto *E : C->destination_exprs()) {
2148 Visitor->AddStmt(E);
2150 for (auto *E : C->assignment_ops()) {
2151 Visitor->AddStmt(E);
2155 OMPClauseEnqueue::VisitOMPCopyprivateClause(const OMPCopyprivateClause *C) {
2156 VisitOMPClauseList(C);
2157 for (auto *E : C->source_exprs()) {
2158 Visitor->AddStmt(E);
2160 for (auto *E : C->destination_exprs()) {
2161 Visitor->AddStmt(E);
2163 for (auto *E : C->assignment_ops()) {
2164 Visitor->AddStmt(E);
2167 void OMPClauseEnqueue::VisitOMPFlushClause(const OMPFlushClause *C) {
2168 VisitOMPClauseList(C);
2170 void OMPClauseEnqueue::VisitOMPDependClause(const OMPDependClause *C) {
2171 VisitOMPClauseList(C);
2175 void EnqueueVisitor::EnqueueChildren(const OMPClause *S) {
2176 unsigned size = WL.size();
2177 OMPClauseEnqueue Visitor(this);
2179 if (size == WL.size())
2181 // Now reverse the entries we just added. This will match the DFS
2182 // ordering performed by the worklist.
2183 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2186 void EnqueueVisitor::VisitAddrLabelExpr(const AddrLabelExpr *E) {
2187 WL.push_back(LabelRefVisit(E->getLabel(), E->getLabelLoc(), Parent));
2189 void EnqueueVisitor::VisitBlockExpr(const BlockExpr *B) {
2190 AddDecl(B->getBlockDecl());
2192 void EnqueueVisitor::VisitCompoundLiteralExpr(const CompoundLiteralExpr *E) {
2194 AddTypeLoc(E->getTypeSourceInfo());
2196 void EnqueueVisitor::VisitCompoundStmt(const CompoundStmt *S) {
2197 for (auto &I : llvm::reverse(S->body()))
2200 void EnqueueVisitor::
2201 VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
2202 AddStmt(S->getSubStmt());
2203 AddDeclarationNameInfo(S);
2204 if (NestedNameSpecifierLoc QualifierLoc = S->getQualifierLoc())
2205 AddNestedNameSpecifierLoc(QualifierLoc);
2208 void EnqueueVisitor::
2209 VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr *E) {
2210 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
2211 AddDeclarationNameInfo(E);
2212 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2213 AddNestedNameSpecifierLoc(QualifierLoc);
2214 if (!E->isImplicitAccess())
2215 AddStmt(E->getBase());
2217 void EnqueueVisitor::VisitCXXNewExpr(const CXXNewExpr *E) {
2218 // Enqueue the initializer , if any.
2219 AddStmt(E->getInitializer());
2220 // Enqueue the array size, if any.
2221 AddStmt(E->getArraySize());
2222 // Enqueue the allocated type.
2223 AddTypeLoc(E->getAllocatedTypeSourceInfo());
2224 // Enqueue the placement arguments.
2225 for (unsigned I = E->getNumPlacementArgs(); I > 0; --I)
2226 AddStmt(E->getPlacementArg(I-1));
2228 void EnqueueVisitor::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *CE) {
2229 for (unsigned I = CE->getNumArgs(); I > 1 /* Yes, this is 1 */; --I)
2230 AddStmt(CE->getArg(I-1));
2231 AddStmt(CE->getCallee());
2232 AddStmt(CE->getArg(0));
2234 void EnqueueVisitor::VisitCXXPseudoDestructorExpr(
2235 const CXXPseudoDestructorExpr *E) {
2236 // Visit the name of the type being destroyed.
2237 AddTypeLoc(E->getDestroyedTypeInfo());
2238 // Visit the scope type that looks disturbingly like the nested-name-specifier
2240 AddTypeLoc(E->getScopeTypeInfo());
2241 // Visit the nested-name-specifier.
2242 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
2243 AddNestedNameSpecifierLoc(QualifierLoc);
2244 // Visit base expression.
2245 AddStmt(E->getBase());
2247 void EnqueueVisitor::VisitCXXScalarValueInitExpr(
2248 const CXXScalarValueInitExpr *E) {
2249 AddTypeLoc(E->getTypeSourceInfo());
2251 void EnqueueVisitor::VisitCXXTemporaryObjectExpr(
2252 const CXXTemporaryObjectExpr *E) {
2254 AddTypeLoc(E->getTypeSourceInfo());
2256 void EnqueueVisitor::VisitCXXTypeidExpr(const CXXTypeidExpr *E) {
2258 if (E->isTypeOperand())
2259 AddTypeLoc(E->getTypeOperandSourceInfo());
2262 void EnqueueVisitor::VisitCXXUnresolvedConstructExpr(
2263 const CXXUnresolvedConstructExpr *E) {
2265 AddTypeLoc(E->getTypeSourceInfo());
2267 void EnqueueVisitor::VisitCXXUuidofExpr(const CXXUuidofExpr *E) {
2269 if (E->isTypeOperand())
2270 AddTypeLoc(E->getTypeOperandSourceInfo());
2273 void EnqueueVisitor::VisitCXXCatchStmt(const CXXCatchStmt *S) {
2275 AddDecl(S->getExceptionDecl());
2278 void EnqueueVisitor::VisitCXXForRangeStmt(const CXXForRangeStmt *S) {
2279 AddStmt(S->getBody());
2280 AddStmt(S->getRangeInit());
2281 AddDecl(S->getLoopVariable());
2284 void EnqueueVisitor::VisitDeclRefExpr(const DeclRefExpr *DR) {
2285 if (DR->hasExplicitTemplateArgs()) {
2286 AddExplicitTemplateArgs(&DR->getExplicitTemplateArgs());
2288 WL.push_back(DeclRefExprParts(DR, Parent));
2290 void EnqueueVisitor::VisitDependentScopeDeclRefExpr(
2291 const DependentScopeDeclRefExpr *E) {
2292 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
2293 AddDeclarationNameInfo(E);
2294 AddNestedNameSpecifierLoc(E->getQualifierLoc());
2296 void EnqueueVisitor::VisitDeclStmt(const DeclStmt *S) {
2297 unsigned size = WL.size();
2298 bool isFirst = true;
2299 for (const auto *D : S->decls()) {
2300 AddDecl(D, isFirst);
2303 if (size == WL.size())
2305 // Now reverse the entries we just added. This will match the DFS
2306 // ordering performed by the worklist.
2307 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
2310 void EnqueueVisitor::VisitDesignatedInitExpr(const DesignatedInitExpr *E) {
2311 AddStmt(E->getInit());
2312 for (DesignatedInitExpr::const_reverse_designators_iterator
2313 D = E->designators_rbegin(), DEnd = E->designators_rend();
2315 if (D->isFieldDesignator()) {
2316 if (FieldDecl *Field = D->getField())
2317 AddMemberRef(Field, D->getFieldLoc());
2320 if (D->isArrayDesignator()) {
2321 AddStmt(E->getArrayIndex(*D));
2324 assert(D->isArrayRangeDesignator() && "Unknown designator kind");
2325 AddStmt(E->getArrayRangeEnd(*D));
2326 AddStmt(E->getArrayRangeStart(*D));
2329 void EnqueueVisitor::VisitExplicitCastExpr(const ExplicitCastExpr *E) {
2331 AddTypeLoc(E->getTypeInfoAsWritten());
2333 void EnqueueVisitor::VisitForStmt(const ForStmt *FS) {
2334 AddStmt(FS->getBody());
2335 AddStmt(FS->getInc());
2336 AddStmt(FS->getCond());
2337 AddDecl(FS->getConditionVariable());
2338 AddStmt(FS->getInit());
2340 void EnqueueVisitor::VisitGotoStmt(const GotoStmt *GS) {
2341 WL.push_back(LabelRefVisit(GS->getLabel(), GS->getLabelLoc(), Parent));
2343 void EnqueueVisitor::VisitIfStmt(const IfStmt *If) {
2344 AddStmt(If->getElse());
2345 AddStmt(If->getThen());
2346 AddStmt(If->getCond());
2347 AddDecl(If->getConditionVariable());
2349 void EnqueueVisitor::VisitInitListExpr(const InitListExpr *IE) {
2350 // We care about the syntactic form of the initializer list, only.
2351 if (InitListExpr *Syntactic = IE->getSyntacticForm())
2353 EnqueueChildren(IE);
2355 void EnqueueVisitor::VisitMemberExpr(const MemberExpr *M) {
2356 WL.push_back(MemberExprParts(M, Parent));
2358 // If the base of the member access expression is an implicit 'this', don't
2360 // FIXME: If we ever want to show these implicit accesses, this will be
2361 // unfortunate. However, clang_getCursor() relies on this behavior.
2362 if (M->isImplicitAccess())
2365 // Ignore base anonymous struct/union fields, otherwise they will shadow the
2366 // real field that that we are interested in.
2367 if (auto *SubME = dyn_cast<MemberExpr>(M->getBase())) {
2368 if (auto *FD = dyn_cast_or_null<FieldDecl>(SubME->getMemberDecl())) {
2369 if (FD->isAnonymousStructOrUnion()) {
2370 AddStmt(SubME->getBase());
2376 AddStmt(M->getBase());
2378 void EnqueueVisitor::VisitObjCEncodeExpr(const ObjCEncodeExpr *E) {
2379 AddTypeLoc(E->getEncodedTypeSourceInfo());
2381 void EnqueueVisitor::VisitObjCMessageExpr(const ObjCMessageExpr *M) {
2383 AddTypeLoc(M->getClassReceiverTypeInfo());
2385 void EnqueueVisitor::VisitOffsetOfExpr(const OffsetOfExpr *E) {
2386 // Visit the components of the offsetof expression.
2387 for (unsigned N = E->getNumComponents(), I = N; I > 0; --I) {
2388 typedef OffsetOfExpr::OffsetOfNode OffsetOfNode;
2389 const OffsetOfNode &Node = E->getComponent(I-1);
2390 switch (Node.getKind()) {
2391 case OffsetOfNode::Array:
2392 AddStmt(E->getIndexExpr(Node.getArrayExprIndex()));
2394 case OffsetOfNode::Field:
2395 AddMemberRef(Node.getField(), Node.getSourceRange().getEnd());
2397 case OffsetOfNode::Identifier:
2398 case OffsetOfNode::Base:
2402 // Visit the type into which we're computing the offset.
2403 AddTypeLoc(E->getTypeSourceInfo());
2405 void EnqueueVisitor::VisitOverloadExpr(const OverloadExpr *E) {
2406 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
2407 WL.push_back(OverloadExprParts(E, Parent));
2409 void EnqueueVisitor::VisitUnaryExprOrTypeTraitExpr(
2410 const UnaryExprOrTypeTraitExpr *E) {
2412 if (E->isArgumentType())
2413 AddTypeLoc(E->getArgumentTypeInfo());
2415 void EnqueueVisitor::VisitStmt(const Stmt *S) {
2418 void EnqueueVisitor::VisitSwitchStmt(const SwitchStmt *S) {
2419 AddStmt(S->getBody());
2420 AddStmt(S->getCond());
2421 AddDecl(S->getConditionVariable());
2424 void EnqueueVisitor::VisitWhileStmt(const WhileStmt *W) {
2425 AddStmt(W->getBody());
2426 AddStmt(W->getCond());
2427 AddDecl(W->getConditionVariable());
2430 void EnqueueVisitor::VisitTypeTraitExpr(const TypeTraitExpr *E) {
2431 for (unsigned I = E->getNumArgs(); I > 0; --I)
2432 AddTypeLoc(E->getArg(I-1));
2435 void EnqueueVisitor::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E) {
2436 AddTypeLoc(E->getQueriedTypeSourceInfo());
2439 void EnqueueVisitor::VisitExpressionTraitExpr(const ExpressionTraitExpr *E) {
2443 void EnqueueVisitor::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *U) {
2444 VisitOverloadExpr(U);
2445 if (!U->isImplicitAccess())
2446 AddStmt(U->getBase());
2448 void EnqueueVisitor::VisitVAArgExpr(const VAArgExpr *E) {
2449 AddStmt(E->getSubExpr());
2450 AddTypeLoc(E->getWrittenTypeInfo());
2452 void EnqueueVisitor::VisitSizeOfPackExpr(const SizeOfPackExpr *E) {
2453 WL.push_back(SizeOfPackExprParts(E, Parent));
2455 void EnqueueVisitor::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
2456 // If the opaque value has a source expression, just transparently
2457 // visit that. This is useful for (e.g.) pseudo-object expressions.
2458 if (Expr *SourceExpr = E->getSourceExpr())
2459 return Visit(SourceExpr);
2461 void EnqueueVisitor::VisitLambdaExpr(const LambdaExpr *E) {
2462 AddStmt(E->getBody());
2463 WL.push_back(LambdaExprParts(E, Parent));
2465 void EnqueueVisitor::VisitPseudoObjectExpr(const PseudoObjectExpr *E) {
2466 // Treat the expression like its syntactic form.
2467 Visit(E->getSyntacticForm());
2470 void EnqueueVisitor::VisitOMPExecutableDirective(
2471 const OMPExecutableDirective *D) {
2473 for (ArrayRef<OMPClause *>::iterator I = D->clauses().begin(),
2474 E = D->clauses().end();
2476 EnqueueChildren(*I);
2479 void EnqueueVisitor::VisitOMPLoopDirective(const OMPLoopDirective *D) {
2480 VisitOMPExecutableDirective(D);
2483 void EnqueueVisitor::VisitOMPParallelDirective(const OMPParallelDirective *D) {
2484 VisitOMPExecutableDirective(D);
2487 void EnqueueVisitor::VisitOMPSimdDirective(const OMPSimdDirective *D) {
2488 VisitOMPLoopDirective(D);
2491 void EnqueueVisitor::VisitOMPForDirective(const OMPForDirective *D) {
2492 VisitOMPLoopDirective(D);
2495 void EnqueueVisitor::VisitOMPForSimdDirective(const OMPForSimdDirective *D) {
2496 VisitOMPLoopDirective(D);
2499 void EnqueueVisitor::VisitOMPSectionsDirective(const OMPSectionsDirective *D) {
2500 VisitOMPExecutableDirective(D);
2503 void EnqueueVisitor::VisitOMPSectionDirective(const OMPSectionDirective *D) {
2504 VisitOMPExecutableDirective(D);
2507 void EnqueueVisitor::VisitOMPSingleDirective(const OMPSingleDirective *D) {
2508 VisitOMPExecutableDirective(D);
2511 void EnqueueVisitor::VisitOMPMasterDirective(const OMPMasterDirective *D) {
2512 VisitOMPExecutableDirective(D);
2515 void EnqueueVisitor::VisitOMPCriticalDirective(const OMPCriticalDirective *D) {
2516 VisitOMPExecutableDirective(D);
2517 AddDeclarationNameInfo(D);
2521 EnqueueVisitor::VisitOMPParallelForDirective(const OMPParallelForDirective *D) {
2522 VisitOMPLoopDirective(D);
2525 void EnqueueVisitor::VisitOMPParallelForSimdDirective(
2526 const OMPParallelForSimdDirective *D) {
2527 VisitOMPLoopDirective(D);
2530 void EnqueueVisitor::VisitOMPParallelSectionsDirective(
2531 const OMPParallelSectionsDirective *D) {
2532 VisitOMPExecutableDirective(D);
2535 void EnqueueVisitor::VisitOMPTaskDirective(const OMPTaskDirective *D) {
2536 VisitOMPExecutableDirective(D);
2540 EnqueueVisitor::VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *D) {
2541 VisitOMPExecutableDirective(D);
2544 void EnqueueVisitor::VisitOMPBarrierDirective(const OMPBarrierDirective *D) {
2545 VisitOMPExecutableDirective(D);
2548 void EnqueueVisitor::VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D) {
2549 VisitOMPExecutableDirective(D);
2552 void EnqueueVisitor::VisitOMPTaskgroupDirective(
2553 const OMPTaskgroupDirective *D) {
2554 VisitOMPExecutableDirective(D);
2557 void EnqueueVisitor::VisitOMPFlushDirective(const OMPFlushDirective *D) {
2558 VisitOMPExecutableDirective(D);
2561 void EnqueueVisitor::VisitOMPOrderedDirective(const OMPOrderedDirective *D) {
2562 VisitOMPExecutableDirective(D);
2565 void EnqueueVisitor::VisitOMPAtomicDirective(const OMPAtomicDirective *D) {
2566 VisitOMPExecutableDirective(D);
2569 void EnqueueVisitor::VisitOMPTargetDirective(const OMPTargetDirective *D) {
2570 VisitOMPExecutableDirective(D);
2573 void EnqueueVisitor::VisitOMPTargetDataDirective(const
2574 OMPTargetDataDirective *D) {
2575 VisitOMPExecutableDirective(D);
2578 void EnqueueVisitor::VisitOMPTeamsDirective(const OMPTeamsDirective *D) {
2579 VisitOMPExecutableDirective(D);
2582 void EnqueueVisitor::VisitOMPCancellationPointDirective(
2583 const OMPCancellationPointDirective *D) {
2584 VisitOMPExecutableDirective(D);
2587 void EnqueueVisitor::VisitOMPCancelDirective(const OMPCancelDirective *D) {
2588 VisitOMPExecutableDirective(D);
2591 void CursorVisitor::EnqueueWorkList(VisitorWorkList &WL, const Stmt *S) {
2592 EnqueueVisitor(WL, MakeCXCursor(S, StmtParent, TU,RegionOfInterest)).Visit(S);
2595 bool CursorVisitor::IsInRegionOfInterest(CXCursor C) {
2596 if (RegionOfInterest.isValid()) {
2597 SourceRange Range = getRawCursorExtent(C);
2598 if (Range.isInvalid() || CompareRegionOfInterest(Range))
2604 bool CursorVisitor::RunVisitorWorkList(VisitorWorkList &WL) {
2605 while (!WL.empty()) {
2606 // Dequeue the worklist item.
2607 VisitorJob LI = WL.pop_back_val();
2609 // Set the Parent field, then back to its old value once we're done.
2610 SetParentRAII SetParent(Parent, StmtParent, LI.getParent());
2612 switch (LI.getKind()) {
2613 case VisitorJob::DeclVisitKind: {
2614 const Decl *D = cast<DeclVisit>(&LI)->get();
2618 // For now, perform default visitation for Decls.
2619 if (Visit(MakeCXCursor(D, TU, RegionOfInterest,
2620 cast<DeclVisit>(&LI)->isFirst())))
2625 case VisitorJob::ExplicitTemplateArgsVisitKind: {
2626 const ASTTemplateArgumentListInfo *ArgList =
2627 cast<ExplicitTemplateArgsVisit>(&LI)->get();
2628 for (const TemplateArgumentLoc *Arg = ArgList->getTemplateArgs(),
2629 *ArgEnd = Arg + ArgList->NumTemplateArgs;
2630 Arg != ArgEnd; ++Arg) {
2631 if (VisitTemplateArgumentLoc(*Arg))
2636 case VisitorJob::TypeLocVisitKind: {
2637 // Perform default visitation for TypeLocs.
2638 if (Visit(cast<TypeLocVisit>(&LI)->get()))
2642 case VisitorJob::LabelRefVisitKind: {
2643 const LabelDecl *LS = cast<LabelRefVisit>(&LI)->get();
2644 if (LabelStmt *stmt = LS->getStmt()) {
2645 if (Visit(MakeCursorLabelRef(stmt, cast<LabelRefVisit>(&LI)->getLoc(),
2653 case VisitorJob::NestedNameSpecifierLocVisitKind: {
2654 NestedNameSpecifierLocVisit *V = cast<NestedNameSpecifierLocVisit>(&LI);
2655 if (VisitNestedNameSpecifierLoc(V->get()))
2660 case VisitorJob::DeclarationNameInfoVisitKind: {
2661 if (VisitDeclarationNameInfo(cast<DeclarationNameInfoVisit>(&LI)
2666 case VisitorJob::MemberRefVisitKind: {
2667 MemberRefVisit *V = cast<MemberRefVisit>(&LI);
2668 if (Visit(MakeCursorMemberRef(V->get(), V->getLoc(), TU)))
2672 case VisitorJob::StmtVisitKind: {
2673 const Stmt *S = cast<StmtVisit>(&LI)->get();
2677 // Update the current cursor.
2678 CXCursor Cursor = MakeCXCursor(S, StmtParent, TU, RegionOfInterest);
2679 if (!IsInRegionOfInterest(Cursor))
2681 switch (Visitor(Cursor, Parent, ClientData)) {
2682 case CXChildVisit_Break: return true;
2683 case CXChildVisit_Continue: break;
2684 case CXChildVisit_Recurse:
2685 if (PostChildrenVisitor)
2686 WL.push_back(PostChildrenVisit(nullptr, Cursor));
2687 EnqueueWorkList(WL, S);
2692 case VisitorJob::MemberExprPartsKind: {
2693 // Handle the other pieces in the MemberExpr besides the base.
2694 const MemberExpr *M = cast<MemberExprParts>(&LI)->get();
2696 // Visit the nested-name-specifier
2697 if (NestedNameSpecifierLoc QualifierLoc = M->getQualifierLoc())
2698 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2701 // Visit the declaration name.
2702 if (VisitDeclarationNameInfo(M->getMemberNameInfo()))
2705 // Visit the explicitly-specified template arguments, if any.
2706 if (M->hasExplicitTemplateArgs()) {
2707 for (const TemplateArgumentLoc *Arg = M->getTemplateArgs(),
2708 *ArgEnd = Arg + M->getNumTemplateArgs();
2709 Arg != ArgEnd; ++Arg) {
2710 if (VisitTemplateArgumentLoc(*Arg))
2716 case VisitorJob::DeclRefExprPartsKind: {
2717 const DeclRefExpr *DR = cast<DeclRefExprParts>(&LI)->get();
2718 // Visit nested-name-specifier, if present.
2719 if (NestedNameSpecifierLoc QualifierLoc = DR->getQualifierLoc())
2720 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2722 // Visit declaration name.
2723 if (VisitDeclarationNameInfo(DR->getNameInfo()))
2727 case VisitorJob::OverloadExprPartsKind: {
2728 const OverloadExpr *O = cast<OverloadExprParts>(&LI)->get();
2729 // Visit the nested-name-specifier.
2730 if (NestedNameSpecifierLoc QualifierLoc = O->getQualifierLoc())
2731 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2733 // Visit the declaration name.
2734 if (VisitDeclarationNameInfo(O->getNameInfo()))
2736 // Visit the overloaded declaration reference.
2737 if (Visit(MakeCursorOverloadedDeclRef(O, TU)))
2741 case VisitorJob::SizeOfPackExprPartsKind: {
2742 const SizeOfPackExpr *E = cast<SizeOfPackExprParts>(&LI)->get();
2743 NamedDecl *Pack = E->getPack();
2744 if (isa<TemplateTypeParmDecl>(Pack)) {
2745 if (Visit(MakeCursorTypeRef(cast<TemplateTypeParmDecl>(Pack),
2746 E->getPackLoc(), TU)))
2752 if (isa<TemplateTemplateParmDecl>(Pack)) {
2753 if (Visit(MakeCursorTemplateRef(cast<TemplateTemplateParmDecl>(Pack),
2754 E->getPackLoc(), TU)))
2760 // Non-type template parameter packs and function parameter packs are
2761 // treated like DeclRefExpr cursors.
2765 case VisitorJob::LambdaExprPartsKind: {
2767 const LambdaExpr *E = cast<LambdaExprParts>(&LI)->get();
2768 for (LambdaExpr::capture_iterator C = E->explicit_capture_begin(),
2769 CEnd = E->explicit_capture_end();
2771 // FIXME: Lambda init-captures.
2772 if (!C->capturesVariable())
2775 if (Visit(MakeCursorVariableRef(C->getCapturedVar(),
2781 // Visit parameters and return type, if present.
2782 if (E->hasExplicitParameters() || E->hasExplicitResultType()) {
2783 TypeLoc TL = E->getCallOperator()->getTypeSourceInfo()->getTypeLoc();
2784 if (E->hasExplicitParameters() && E->hasExplicitResultType()) {
2785 // Visit the whole type.
2788 } else if (FunctionProtoTypeLoc Proto =
2789 TL.getAs<FunctionProtoTypeLoc>()) {
2790 if (E->hasExplicitParameters()) {
2791 // Visit parameters.
2792 for (unsigned I = 0, N = Proto.getNumParams(); I != N; ++I)
2793 if (Visit(MakeCXCursor(Proto.getParam(I), TU)))
2796 // Visit result type.
2797 if (Visit(Proto.getReturnLoc()))
2805 case VisitorJob::PostChildrenVisitKind:
2806 if (PostChildrenVisitor(Parent, ClientData))
2814 bool CursorVisitor::Visit(const Stmt *S) {
2815 VisitorWorkList *WL = nullptr;
2816 if (!WorkListFreeList.empty()) {
2817 WL = WorkListFreeList.back();
2819 WorkListFreeList.pop_back();
2822 WL = new VisitorWorkList();
2823 WorkListCache.push_back(WL);
2825 EnqueueWorkList(*WL, S);
2826 bool result = RunVisitorWorkList(*WL);
2827 WorkListFreeList.push_back(WL);
2832 typedef SmallVector<SourceRange, 4> RefNamePieces;
2834 buildPieces(unsigned NameFlags, bool IsMemberRefExpr,
2835 const DeclarationNameInfo &NI, const SourceRange &QLoc,
2836 const ASTTemplateArgumentListInfo *TemplateArgs = nullptr) {
2837 const bool WantQualifier = NameFlags & CXNameRange_WantQualifier;
2838 const bool WantTemplateArgs = NameFlags & CXNameRange_WantTemplateArgs;
2839 const bool WantSinglePiece = NameFlags & CXNameRange_WantSinglePiece;
2841 const DeclarationName::NameKind Kind = NI.getName().getNameKind();
2843 RefNamePieces Pieces;
2845 if (WantQualifier && QLoc.isValid())
2846 Pieces.push_back(QLoc);
2848 if (Kind != DeclarationName::CXXOperatorName || IsMemberRefExpr)
2849 Pieces.push_back(NI.getLoc());
2851 if (WantTemplateArgs && TemplateArgs)
2852 Pieces.push_back(SourceRange(TemplateArgs->LAngleLoc,
2853 TemplateArgs->RAngleLoc));
2855 if (Kind == DeclarationName::CXXOperatorName) {
2856 Pieces.push_back(SourceLocation::getFromRawEncoding(
2857 NI.getInfo().CXXOperatorName.BeginOpNameLoc));
2858 Pieces.push_back(SourceLocation::getFromRawEncoding(
2859 NI.getInfo().CXXOperatorName.EndOpNameLoc));
2862 if (WantSinglePiece) {
2863 SourceRange R(Pieces.front().getBegin(), Pieces.back().getEnd());
2865 Pieces.push_back(R);
2872 //===----------------------------------------------------------------------===//
2874 //===----------------------------------------------------------------------===//
2876 static void fatal_error_handler(void *user_data, const std::string& reason,
2877 bool gen_crash_diag) {
2878 // Write the result out to stderr avoiding errs() because raw_ostreams can
2879 // call report_fatal_error.
2880 fprintf(stderr, "LIBCLANG FATAL ERROR: %s\n", reason.c_str());
2885 struct RegisterFatalErrorHandler {
2886 RegisterFatalErrorHandler() {
2887 llvm::install_fatal_error_handler(fatal_error_handler, nullptr);
2892 static llvm::ManagedStatic<RegisterFatalErrorHandler> RegisterFatalErrorHandlerOnce;
2895 CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
2896 int displayDiagnostics) {
2897 // We use crash recovery to make some of our APIs more reliable, implicitly
2899 if (!getenv("LIBCLANG_DISABLE_CRASH_RECOVERY"))
2900 llvm::CrashRecoveryContext::Enable();
2902 // Look through the managed static to trigger construction of the managed
2903 // static which registers our fatal error handler. This ensures it is only
2905 (void)*RegisterFatalErrorHandlerOnce;
2907 // Initialize targets for clang module support.
2908 llvm::InitializeAllTargets();
2909 llvm::InitializeAllTargetMCs();
2910 llvm::InitializeAllAsmPrinters();
2911 llvm::InitializeAllAsmParsers();
2913 CIndexer *CIdxr = new CIndexer();
2915 if (excludeDeclarationsFromPCH)
2916 CIdxr->setOnlyLocalDecls();
2917 if (displayDiagnostics)
2918 CIdxr->setDisplayDiagnostics();
2920 if (getenv("LIBCLANG_BGPRIO_INDEX"))
2921 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
2922 CXGlobalOpt_ThreadBackgroundPriorityForIndexing);
2923 if (getenv("LIBCLANG_BGPRIO_EDIT"))
2924 CIdxr->setCXGlobalOptFlags(CIdxr->getCXGlobalOptFlags() |
2925 CXGlobalOpt_ThreadBackgroundPriorityForEditing);
2930 void clang_disposeIndex(CXIndex CIdx) {
2932 delete static_cast<CIndexer *>(CIdx);
2935 void clang_CXIndex_setGlobalOptions(CXIndex CIdx, unsigned options) {
2937 static_cast<CIndexer *>(CIdx)->setCXGlobalOptFlags(options);
2940 unsigned clang_CXIndex_getGlobalOptions(CXIndex CIdx) {
2942 return static_cast<CIndexer *>(CIdx)->getCXGlobalOptFlags();
2946 void clang_toggleCrashRecovery(unsigned isEnabled) {
2948 llvm::CrashRecoveryContext::Enable();
2950 llvm::CrashRecoveryContext::Disable();
2953 CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
2954 const char *ast_filename) {
2955 CXTranslationUnit TU;
2956 enum CXErrorCode Result =
2957 clang_createTranslationUnit2(CIdx, ast_filename, &TU);
2959 assert((TU && Result == CXError_Success) ||
2960 (!TU && Result != CXError_Success));
2964 enum CXErrorCode clang_createTranslationUnit2(CXIndex CIdx,
2965 const char *ast_filename,
2966 CXTranslationUnit *out_TU) {
2970 if (!CIdx || !ast_filename || !out_TU)
2971 return CXError_InvalidArguments;
2974 *Log << ast_filename;
2977 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
2978 FileSystemOptions FileSystemOpts;
2980 IntrusiveRefCntPtr<DiagnosticsEngine> Diags =
2981 CompilerInstance::createDiagnostics(new DiagnosticOptions());
2982 std::unique_ptr<ASTUnit> AU = ASTUnit::LoadFromASTFile(
2983 ast_filename, CXXIdx->getPCHContainerOperations()->getRawReader(), Diags,
2984 FileSystemOpts, /*UseDebugInfo=*/false,
2985 CXXIdx->getOnlyLocalDecls(), None,
2986 /*CaptureDiagnostics=*/true,
2987 /*AllowPCHWithCompilerErrors=*/true,
2988 /*UserFilesAreVolatile=*/true);
2989 *out_TU = MakeCXTranslationUnit(CXXIdx, AU.release());
2990 return *out_TU ? CXError_Success : CXError_Failure;
2993 unsigned clang_defaultEditingTranslationUnitOptions() {
2994 return CXTranslationUnit_PrecompiledPreamble |
2995 CXTranslationUnit_CacheCompletionResults;
2999 clang_createTranslationUnitFromSourceFile(CXIndex CIdx,
3000 const char *source_filename,
3001 int num_command_line_args,
3002 const char * const *command_line_args,
3003 unsigned num_unsaved_files,
3004 struct CXUnsavedFile *unsaved_files) {
3005 unsigned Options = CXTranslationUnit_DetailedPreprocessingRecord;
3006 return clang_parseTranslationUnit(CIdx, source_filename,
3007 command_line_args, num_command_line_args,
3008 unsaved_files, num_unsaved_files,
3013 clang_parseTranslationUnit_Impl(CXIndex CIdx, const char *source_filename,
3014 const char *const *command_line_args,
3015 int num_command_line_args,
3016 ArrayRef<CXUnsavedFile> unsaved_files,
3017 unsigned options, CXTranslationUnit *out_TU) {
3018 // Set up the initial return values.
3023 if (!CIdx || !out_TU)
3024 return CXError_InvalidArguments;
3026 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
3028 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3029 setThreadBackgroundPriority();
3031 bool PrecompilePreamble = options & CXTranslationUnit_PrecompiledPreamble;
3032 // FIXME: Add a flag for modules.
3033 TranslationUnitKind TUKind
3034 = (options & CXTranslationUnit_Incomplete)? TU_Prefix : TU_Complete;
3035 bool CacheCodeCompletionResults
3036 = options & CXTranslationUnit_CacheCompletionResults;
3037 bool IncludeBriefCommentsInCodeCompletion
3038 = options & CXTranslationUnit_IncludeBriefCommentsInCodeCompletion;
3039 bool SkipFunctionBodies = options & CXTranslationUnit_SkipFunctionBodies;
3040 bool ForSerialization = options & CXTranslationUnit_ForSerialization;
3042 // Configure the diagnostics.
3043 IntrusiveRefCntPtr<DiagnosticsEngine>
3044 Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions));
3046 // Recover resources if we crash before exiting this function.
3047 llvm::CrashRecoveryContextCleanupRegistrar<DiagnosticsEngine,
3048 llvm::CrashRecoveryContextReleaseRefCleanup<DiagnosticsEngine> >
3049 DiagCleanup(Diags.get());
3051 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3052 new std::vector<ASTUnit::RemappedFile>());
3054 // Recover resources if we crash before exiting this function.
3055 llvm::CrashRecoveryContextCleanupRegistrar<
3056 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3058 for (auto &UF : unsaved_files) {
3059 std::unique_ptr<llvm::MemoryBuffer> MB =
3060 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3061 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3064 std::unique_ptr<std::vector<const char *>> Args(
3065 new std::vector<const char *>());
3067 // Recover resources if we crash before exiting this method.
3068 llvm::CrashRecoveryContextCleanupRegistrar<std::vector<const char*> >
3069 ArgsCleanup(Args.get());
3071 // Since the Clang C library is primarily used by batch tools dealing with
3072 // (often very broken) source code, where spell-checking can have a
3073 // significant negative impact on performance (particularly when
3074 // precompiled headers are involved), we disable it by default.
3075 // Only do this if we haven't found a spell-checking-related argument.
3076 bool FoundSpellCheckingArgument = false;
3077 for (int I = 0; I != num_command_line_args; ++I) {
3078 if (strcmp(command_line_args[I], "-fno-spell-checking") == 0 ||
3079 strcmp(command_line_args[I], "-fspell-checking") == 0) {
3080 FoundSpellCheckingArgument = true;
3084 if (!FoundSpellCheckingArgument)
3085 Args->push_back("-fno-spell-checking");
3087 Args->insert(Args->end(), command_line_args,
3088 command_line_args + num_command_line_args);
3090 // The 'source_filename' argument is optional. If the caller does not
3091 // specify it then it is assumed that the source file is specified
3092 // in the actual argument list.
3093 // Put the source file after command_line_args otherwise if '-x' flag is
3094 // present it will be unused.
3095 if (source_filename)
3096 Args->push_back(source_filename);
3098 // Do we need the detailed preprocessing record?
3099 if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
3100 Args->push_back("-Xclang");
3101 Args->push_back("-detailed-preprocessing-record");
3104 unsigned NumErrors = Diags->getClient()->getNumErrors();
3105 std::unique_ptr<ASTUnit> ErrUnit;
3106 std::unique_ptr<ASTUnit> Unit(ASTUnit::LoadFromCommandLine(
3107 Args->data(), Args->data() + Args->size(),
3108 CXXIdx->getPCHContainerOperations(), Diags,
3109 CXXIdx->getClangResourcesPath(), CXXIdx->getOnlyLocalDecls(),
3110 /*CaptureDiagnostics=*/true, *RemappedFiles.get(),
3111 /*RemappedFilesKeepOriginalName=*/true, PrecompilePreamble, TUKind,
3112 CacheCodeCompletionResults, IncludeBriefCommentsInCodeCompletion,
3113 /*AllowPCHWithCompilerErrors=*/true, SkipFunctionBodies,
3114 /*UserFilesAreVolatile=*/true, ForSerialization, &ErrUnit));
3116 // Early failures in LoadFromCommandLine may return with ErrUnit unset.
3117 if (!Unit && !ErrUnit)
3118 return CXError_ASTReadError;
3120 if (NumErrors != Diags->getClient()->getNumErrors()) {
3121 // Make sure to check that 'Unit' is non-NULL.
3122 if (CXXIdx->getDisplayDiagnostics())
3123 printDiagsToStderr(Unit ? Unit.get() : ErrUnit.get());
3126 if (isASTReadError(Unit ? Unit.get() : ErrUnit.get()))
3127 return CXError_ASTReadError;
3129 *out_TU = MakeCXTranslationUnit(CXXIdx, Unit.release());
3130 return *out_TU ? CXError_Success : CXError_Failure;
3134 clang_parseTranslationUnit(CXIndex CIdx,
3135 const char *source_filename,
3136 const char *const *command_line_args,
3137 int num_command_line_args,
3138 struct CXUnsavedFile *unsaved_files,
3139 unsigned num_unsaved_files,
3141 CXTranslationUnit TU;
3142 enum CXErrorCode Result = clang_parseTranslationUnit2(
3143 CIdx, source_filename, command_line_args, num_command_line_args,
3144 unsaved_files, num_unsaved_files, options, &TU);
3146 assert((TU && Result == CXError_Success) ||
3147 (!TU && Result != CXError_Success));
3151 enum CXErrorCode clang_parseTranslationUnit2(
3153 const char *source_filename,
3154 const char *const *command_line_args,
3155 int num_command_line_args,
3156 struct CXUnsavedFile *unsaved_files,
3157 unsigned num_unsaved_files,
3159 CXTranslationUnit *out_TU) {
3161 *Log << source_filename << ": ";
3162 for (int i = 0; i != num_command_line_args; ++i)
3163 *Log << command_line_args[i] << " ";
3166 if (num_unsaved_files && !unsaved_files)
3167 return CXError_InvalidArguments;
3169 CXErrorCode result = CXError_Failure;
3170 auto ParseTranslationUnitImpl = [=, &result] {
3171 result = clang_parseTranslationUnit_Impl(
3172 CIdx, source_filename, command_line_args, num_command_line_args,
3173 llvm::makeArrayRef(unsaved_files, num_unsaved_files), options, out_TU);
3175 llvm::CrashRecoveryContext CRC;
3177 if (!RunSafely(CRC, ParseTranslationUnitImpl)) {
3178 fprintf(stderr, "libclang: crash detected during parsing: {\n");
3179 fprintf(stderr, " 'source_filename' : '%s'\n", source_filename);
3180 fprintf(stderr, " 'command_line_args' : [");
3181 for (int i = 0; i != num_command_line_args; ++i) {
3183 fprintf(stderr, ", ");
3184 fprintf(stderr, "'%s'", command_line_args[i]);
3186 fprintf(stderr, "],\n");
3187 fprintf(stderr, " 'unsaved_files' : [");
3188 for (unsigned i = 0; i != num_unsaved_files; ++i) {
3190 fprintf(stderr, ", ");
3191 fprintf(stderr, "('%s', '...', %ld)", unsaved_files[i].Filename,
3192 unsaved_files[i].Length);
3194 fprintf(stderr, "],\n");
3195 fprintf(stderr, " 'options' : %d,\n", options);
3196 fprintf(stderr, "}\n");
3198 return CXError_Crashed;
3199 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3200 if (CXTranslationUnit *TU = out_TU)
3201 PrintLibclangResourceUsage(*TU);
3207 unsigned clang_defaultSaveOptions(CXTranslationUnit TU) {
3208 return CXSaveTranslationUnit_None;
3211 static CXSaveError clang_saveTranslationUnit_Impl(CXTranslationUnit TU,
3212 const char *FileName,
3214 CIndexer *CXXIdx = TU->CIdx;
3215 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
3216 setThreadBackgroundPriority();
3218 bool hadError = cxtu::getASTUnit(TU)->Save(FileName);
3219 return hadError ? CXSaveError_Unknown : CXSaveError_None;
3222 int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
3225 *Log << TU << ' ' << FileName;
3228 if (isNotUsableTU(TU)) {
3230 return CXSaveError_InvalidTU;
3233 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3234 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3235 if (!CXXUnit->hasSema())
3236 return CXSaveError_InvalidTU;
3239 auto SaveTranslationUnitImpl = [=, &result]() {
3240 result = clang_saveTranslationUnit_Impl(TU, FileName, options);
3243 if (!CXXUnit->getDiagnostics().hasUnrecoverableErrorOccurred() ||
3244 getenv("LIBCLANG_NOTHREADS")) {
3245 SaveTranslationUnitImpl();
3247 if (getenv("LIBCLANG_RESOURCE_USAGE"))
3248 PrintLibclangResourceUsage(TU);
3253 // We have an AST that has invalid nodes due to compiler errors.
3254 // Use a crash recovery thread for protection.
3256 llvm::CrashRecoveryContext CRC;
3258 if (!RunSafely(CRC, SaveTranslationUnitImpl)) {
3259 fprintf(stderr, "libclang: crash detected during AST saving: {\n");
3260 fprintf(stderr, " 'filename' : '%s'\n", FileName);
3261 fprintf(stderr, " 'options' : %d,\n", options);
3262 fprintf(stderr, "}\n");
3264 return CXSaveError_Unknown;
3266 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
3267 PrintLibclangResourceUsage(TU);
3273 void clang_disposeTranslationUnit(CXTranslationUnit CTUnit) {
3275 // If the translation unit has been marked as unsafe to free, just discard
3277 ASTUnit *Unit = cxtu::getASTUnit(CTUnit);
3278 if (Unit && Unit->isUnsafeToFree())
3281 delete cxtu::getASTUnit(CTUnit);
3282 delete CTUnit->StringPool;
3283 delete static_cast<CXDiagnosticSetImpl *>(CTUnit->Diagnostics);
3284 disposeOverridenCXCursorsPool(CTUnit->OverridenCursorsPool);
3285 delete CTUnit->CommentToXML;
3290 unsigned clang_defaultReparseOptions(CXTranslationUnit TU) {
3291 return CXReparse_None;
3295 clang_reparseTranslationUnit_Impl(CXTranslationUnit TU,
3296 ArrayRef<CXUnsavedFile> unsaved_files,
3299 if (isNotUsableTU(TU)) {
3301 return CXError_InvalidArguments;
3304 // Reset the associated diagnostics.
3305 delete static_cast<CXDiagnosticSetImpl*>(TU->Diagnostics);
3306 TU->Diagnostics = nullptr;
3308 CIndexer *CXXIdx = TU->CIdx;
3309 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
3310 setThreadBackgroundPriority();
3312 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3313 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3315 std::unique_ptr<std::vector<ASTUnit::RemappedFile>> RemappedFiles(
3316 new std::vector<ASTUnit::RemappedFile>());
3318 // Recover resources if we crash before exiting this function.
3319 llvm::CrashRecoveryContextCleanupRegistrar<
3320 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
3322 for (auto &UF : unsaved_files) {
3323 std::unique_ptr<llvm::MemoryBuffer> MB =
3324 llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename);
3325 RemappedFiles->push_back(std::make_pair(UF.Filename, MB.release()));
3328 if (!CXXUnit->Reparse(CXXIdx->getPCHContainerOperations(),
3329 *RemappedFiles.get()))
3330 return CXError_Success;
3331 if (isASTReadError(CXXUnit))
3332 return CXError_ASTReadError;
3333 return CXError_Failure;
3336 int clang_reparseTranslationUnit(CXTranslationUnit TU,
3337 unsigned num_unsaved_files,
3338 struct CXUnsavedFile *unsaved_files,
3344 if (num_unsaved_files && !unsaved_files)
3345 return CXError_InvalidArguments;
3348 auto ReparseTranslationUnitImpl = [=, &result]() {
3349 result = clang_reparseTranslationUnit_Impl(
3350 TU, llvm::makeArrayRef(unsaved_files, num_unsaved_files), options);
3353 if (getenv("LIBCLANG_NOTHREADS")) {
3354 ReparseTranslationUnitImpl();
3358 llvm::CrashRecoveryContext CRC;
3360 if (!RunSafely(CRC, ReparseTranslationUnitImpl)) {
3361 fprintf(stderr, "libclang: crash detected during reparsing\n");
3362 cxtu::getASTUnit(TU)->setUnsafeToFree(true);
3363 return CXError_Crashed;
3364 } else if (getenv("LIBCLANG_RESOURCE_USAGE"))
3365 PrintLibclangResourceUsage(TU);
3371 CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
3372 if (isNotUsableTU(CTUnit)) {
3374 return cxstring::createEmpty();
3377 ASTUnit *CXXUnit = cxtu::getASTUnit(CTUnit);
3378 return cxstring::createDup(CXXUnit->getOriginalSourceFileName());
3381 CXCursor clang_getTranslationUnitCursor(CXTranslationUnit TU) {
3382 if (isNotUsableTU(TU)) {
3384 return clang_getNullCursor();
3387 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3388 return MakeCXCursor(CXXUnit->getASTContext().getTranslationUnitDecl(), TU);
3391 } // end: extern "C"
3393 //===----------------------------------------------------------------------===//
3394 // CXFile Operations.
3395 //===----------------------------------------------------------------------===//
3398 CXString clang_getFileName(CXFile SFile) {
3400 return cxstring::createNull();
3402 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3403 return cxstring::createRef(FEnt->getName());
3406 time_t clang_getFileTime(CXFile SFile) {
3410 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
3411 return FEnt->getModificationTime();
3414 CXFile clang_getFile(CXTranslationUnit TU, const char *file_name) {
3415 if (isNotUsableTU(TU)) {
3420 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3422 FileManager &FMgr = CXXUnit->getFileManager();
3423 return const_cast<FileEntry *>(FMgr.getFile(file_name));
3426 unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit TU,
3428 if (isNotUsableTU(TU)) {
3436 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
3437 FileEntry *FEnt = static_cast<FileEntry *>(file);
3438 return CXXUnit->getPreprocessor().getHeaderSearchInfo()
3439 .isFileMultipleIncludeGuarded(FEnt);
3442 int clang_getFileUniqueID(CXFile file, CXFileUniqueID *outID) {
3443 if (!file || !outID)
3446 FileEntry *FEnt = static_cast<FileEntry *>(file);
3447 const llvm::sys::fs::UniqueID &ID = FEnt->getUniqueID();
3448 outID->data[0] = ID.getDevice();
3449 outID->data[1] = ID.getFile();
3450 outID->data[2] = FEnt->getModificationTime();
3454 int clang_File_isEqual(CXFile file1, CXFile file2) {
3458 if (!file1 || !file2)
3461 FileEntry *FEnt1 = static_cast<FileEntry *>(file1);
3462 FileEntry *FEnt2 = static_cast<FileEntry *>(file2);
3463 return FEnt1->getUniqueID() == FEnt2->getUniqueID();
3466 } // end: extern "C"
3468 //===----------------------------------------------------------------------===//
3469 // CXCursor Operations.
3470 //===----------------------------------------------------------------------===//
3472 static const Decl *getDeclFromExpr(const Stmt *E) {
3473 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3474 return getDeclFromExpr(CE->getSubExpr());
3476 if (const DeclRefExpr *RefExpr = dyn_cast<DeclRefExpr>(E))
3477 return RefExpr->getDecl();
3478 if (const MemberExpr *ME = dyn_cast<MemberExpr>(E))
3479 return ME->getMemberDecl();
3480 if (const ObjCIvarRefExpr *RE = dyn_cast<ObjCIvarRefExpr>(E))
3481 return RE->getDecl();
3482 if (const ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(E)) {
3483 if (PRE->isExplicitProperty())
3484 return PRE->getExplicitProperty();
3485 // It could be messaging both getter and setter as in:
3487 // in which case prefer to associate the setter since it is less obvious
3488 // from inspecting the source that the setter is going to get called.
3489 if (PRE->isMessagingSetter())
3490 return PRE->getImplicitPropertySetter();
3491 return PRE->getImplicitPropertyGetter();
3493 if (const PseudoObjectExpr *POE = dyn_cast<PseudoObjectExpr>(E))
3494 return getDeclFromExpr(POE->getSyntacticForm());
3495 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E))
3496 if (Expr *Src = OVE->getSourceExpr())
3497 return getDeclFromExpr(Src);
3499 if (const CallExpr *CE = dyn_cast<CallExpr>(E))
3500 return getDeclFromExpr(CE->getCallee());
3501 if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E))
3502 if (!CE->isElidable())
3503 return CE->getConstructor();
3504 if (const ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(E))
3505 return OME->getMethodDecl();
3507 if (const ObjCProtocolExpr *PE = dyn_cast<ObjCProtocolExpr>(E))
3508 return PE->getProtocol();
3509 if (const SubstNonTypeTemplateParmPackExpr *NTTP
3510 = dyn_cast<SubstNonTypeTemplateParmPackExpr>(E))
3511 return NTTP->getParameterPack();
3512 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3513 if (isa<NonTypeTemplateParmDecl>(SizeOfPack->getPack()) ||
3514 isa<ParmVarDecl>(SizeOfPack->getPack()))
3515 return SizeOfPack->getPack();
3520 static SourceLocation getLocationFromExpr(const Expr *E) {
3521 if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3522 return getLocationFromExpr(CE->getSubExpr());
3524 if (const ObjCMessageExpr *Msg = dyn_cast<ObjCMessageExpr>(E))
3525 return /*FIXME:*/Msg->getLeftLoc();
3526 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E))
3527 return DRE->getLocation();
3528 if (const MemberExpr *Member = dyn_cast<MemberExpr>(E))
3529 return Member->getMemberLoc();
3530 if (const ObjCIvarRefExpr *Ivar = dyn_cast<ObjCIvarRefExpr>(E))
3531 return Ivar->getLocation();
3532 if (const SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3533 return SizeOfPack->getPackLoc();
3534 if (const ObjCPropertyRefExpr *PropRef = dyn_cast<ObjCPropertyRefExpr>(E))
3535 return PropRef->getLocation();
3537 return E->getLocStart();
3542 unsigned clang_visitChildren(CXCursor parent,
3543 CXCursorVisitor visitor,
3544 CXClientData client_data) {
3545 CursorVisitor CursorVis(getCursorTU(parent), visitor, client_data,
3546 /*VisitPreprocessorLast=*/false);
3547 return CursorVis.VisitChildren(parent);
3550 #ifndef __has_feature
3551 #define __has_feature(x) 0
3553 #if __has_feature(blocks)
3554 typedef enum CXChildVisitResult
3555 (^CXCursorVisitorBlock)(CXCursor cursor, CXCursor parent);
3557 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
3558 CXClientData client_data) {
3559 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
3560 return block(cursor, parent);
3563 // If we are compiled with a compiler that doesn't have native blocks support,
3564 // define and call the block manually, so the
3565 typedef struct _CXChildVisitResult
3570 enum CXChildVisitResult(*invoke)(struct _CXChildVisitResult*, CXCursor,
3572 } *CXCursorVisitorBlock;
3574 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
3575 CXClientData client_data) {
3576 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
3577 return block->invoke(block, cursor, parent);
3582 unsigned clang_visitChildrenWithBlock(CXCursor parent,
3583 CXCursorVisitorBlock block) {
3584 return clang_visitChildren(parent, visitWithBlock, block);
3587 static CXString getDeclSpelling(const Decl *D) {
3589 return cxstring::createEmpty();
3591 const NamedDecl *ND = dyn_cast<NamedDecl>(D);
3593 if (const ObjCPropertyImplDecl *PropImpl =
3594 dyn_cast<ObjCPropertyImplDecl>(D))
3595 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
3596 return cxstring::createDup(Property->getIdentifier()->getName());
3598 if (const ImportDecl *ImportD = dyn_cast<ImportDecl>(D))
3599 if (Module *Mod = ImportD->getImportedModule())
3600 return cxstring::createDup(Mod->getFullModuleName());
3602 return cxstring::createEmpty();
3605 if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(ND))
3606 return cxstring::createDup(OMD->getSelector().getAsString());
3608 if (const ObjCCategoryImplDecl *CIMP = dyn_cast<ObjCCategoryImplDecl>(ND))
3609 // No, this isn't the same as the code below. getIdentifier() is non-virtual
3610 // and returns different names. NamedDecl returns the class name and
3611 // ObjCCategoryImplDecl returns the category name.
3612 return cxstring::createRef(CIMP->getIdentifier()->getNameStart());
3614 if (isa<UsingDirectiveDecl>(D))
3615 return cxstring::createEmpty();
3617 SmallString<1024> S;
3618 llvm::raw_svector_ostream os(S);
3621 return cxstring::createDup(os.str());
3624 CXString clang_getCursorSpelling(CXCursor C) {
3625 if (clang_isTranslationUnit(C.kind))
3626 return clang_getTranslationUnitSpelling(getCursorTU(C));
3628 if (clang_isReference(C.kind)) {
3630 case CXCursor_ObjCSuperClassRef: {
3631 const ObjCInterfaceDecl *Super = getCursorObjCSuperClassRef(C).first;
3632 return cxstring::createRef(Super->getIdentifier()->getNameStart());
3634 case CXCursor_ObjCClassRef: {
3635 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
3636 return cxstring::createRef(Class->getIdentifier()->getNameStart());
3638 case CXCursor_ObjCProtocolRef: {
3639 const ObjCProtocolDecl *OID = getCursorObjCProtocolRef(C).first;
3640 assert(OID && "getCursorSpelling(): Missing protocol decl");
3641 return cxstring::createRef(OID->getIdentifier()->getNameStart());
3643 case CXCursor_CXXBaseSpecifier: {
3644 const CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
3645 return cxstring::createDup(B->getType().getAsString());
3647 case CXCursor_TypeRef: {
3648 const TypeDecl *Type = getCursorTypeRef(C).first;
3649 assert(Type && "Missing type decl");
3651 return cxstring::createDup(getCursorContext(C).getTypeDeclType(Type).
3654 case CXCursor_TemplateRef: {
3655 const TemplateDecl *Template = getCursorTemplateRef(C).first;
3656 assert(Template && "Missing template decl");
3658 return cxstring::createDup(Template->getNameAsString());
3661 case CXCursor_NamespaceRef: {
3662 const NamedDecl *NS = getCursorNamespaceRef(C).first;
3663 assert(NS && "Missing namespace decl");
3665 return cxstring::createDup(NS->getNameAsString());
3668 case CXCursor_MemberRef: {
3669 const FieldDecl *Field = getCursorMemberRef(C).first;
3670 assert(Field && "Missing member decl");
3672 return cxstring::createDup(Field->getNameAsString());
3675 case CXCursor_LabelRef: {
3676 const LabelStmt *Label = getCursorLabelRef(C).first;
3677 assert(Label && "Missing label");
3679 return cxstring::createRef(Label->getName());
3682 case CXCursor_OverloadedDeclRef: {
3683 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
3684 if (const Decl *D = Storage.dyn_cast<const Decl *>()) {
3685 if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
3686 return cxstring::createDup(ND->getNameAsString());
3687 return cxstring::createEmpty();
3689 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
3690 return cxstring::createDup(E->getName().getAsString());
3691 OverloadedTemplateStorage *Ovl
3692 = Storage.get<OverloadedTemplateStorage*>();
3693 if (Ovl->size() == 0)
3694 return cxstring::createEmpty();
3695 return cxstring::createDup((*Ovl->begin())->getNameAsString());
3698 case CXCursor_VariableRef: {
3699 const VarDecl *Var = getCursorVariableRef(C).first;
3700 assert(Var && "Missing variable decl");
3702 return cxstring::createDup(Var->getNameAsString());
3706 return cxstring::createRef("<not implemented>");
3710 if (clang_isExpression(C.kind)) {
3711 const Expr *E = getCursorExpr(C);
3713 if (C.kind == CXCursor_ObjCStringLiteral ||
3714 C.kind == CXCursor_StringLiteral) {
3715 const StringLiteral *SLit;
3716 if (const ObjCStringLiteral *OSL = dyn_cast<ObjCStringLiteral>(E)) {
3717 SLit = OSL->getString();
3719 SLit = cast<StringLiteral>(E);
3721 SmallString<256> Buf;
3722 llvm::raw_svector_ostream OS(Buf);
3723 SLit->outputString(OS);
3724 return cxstring::createDup(OS.str());
3727 const Decl *D = getDeclFromExpr(getCursorExpr(C));
3729 return getDeclSpelling(D);
3730 return cxstring::createEmpty();
3733 if (clang_isStatement(C.kind)) {
3734 const Stmt *S = getCursorStmt(C);
3735 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S))
3736 return cxstring::createRef(Label->getName());
3738 return cxstring::createEmpty();
3741 if (C.kind == CXCursor_MacroExpansion)
3742 return cxstring::createRef(getCursorMacroExpansion(C).getName()
3745 if (C.kind == CXCursor_MacroDefinition)
3746 return cxstring::createRef(getCursorMacroDefinition(C)->getName()
3749 if (C.kind == CXCursor_InclusionDirective)
3750 return cxstring::createDup(getCursorInclusionDirective(C)->getFileName());
3752 if (clang_isDeclaration(C.kind))
3753 return getDeclSpelling(getCursorDecl(C));
3755 if (C.kind == CXCursor_AnnotateAttr) {
3756 const AnnotateAttr *AA = cast<AnnotateAttr>(cxcursor::getCursorAttr(C));
3757 return cxstring::createDup(AA->getAnnotation());
3760 if (C.kind == CXCursor_AsmLabelAttr) {
3761 const AsmLabelAttr *AA = cast<AsmLabelAttr>(cxcursor::getCursorAttr(C));
3762 return cxstring::createDup(AA->getLabel());
3765 if (C.kind == CXCursor_PackedAttr) {
3766 return cxstring::createRef("packed");
3769 if (C.kind == CXCursor_VisibilityAttr) {
3770 const VisibilityAttr *AA = cast<VisibilityAttr>(cxcursor::getCursorAttr(C));
3771 switch (AA->getVisibility()) {
3772 case VisibilityAttr::VisibilityType::Default:
3773 return cxstring::createRef("default");
3774 case VisibilityAttr::VisibilityType::Hidden:
3775 return cxstring::createRef("hidden");
3776 case VisibilityAttr::VisibilityType::Protected:
3777 return cxstring::createRef("protected");
3779 llvm_unreachable("unknown visibility type");
3782 return cxstring::createEmpty();
3785 CXSourceRange clang_Cursor_getSpellingNameRange(CXCursor C,
3786 unsigned pieceIndex,
3788 if (clang_Cursor_isNull(C))
3789 return clang_getNullRange();
3791 ASTContext &Ctx = getCursorContext(C);
3793 if (clang_isStatement(C.kind)) {
3794 const Stmt *S = getCursorStmt(C);
3795 if (const LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S)) {
3797 return clang_getNullRange();
3798 return cxloc::translateSourceRange(Ctx, Label->getIdentLoc());
3801 return clang_getNullRange();
3804 if (C.kind == CXCursor_ObjCMessageExpr) {
3805 if (const ObjCMessageExpr *
3806 ME = dyn_cast_or_null<ObjCMessageExpr>(getCursorExpr(C))) {
3807 if (pieceIndex >= ME->getNumSelectorLocs())
3808 return clang_getNullRange();
3809 return cxloc::translateSourceRange(Ctx, ME->getSelectorLoc(pieceIndex));
3813 if (C.kind == CXCursor_ObjCInstanceMethodDecl ||
3814 C.kind == CXCursor_ObjCClassMethodDecl) {
3815 if (const ObjCMethodDecl *
3816 MD = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(C))) {
3817 if (pieceIndex >= MD->getNumSelectorLocs())
3818 return clang_getNullRange();
3819 return cxloc::translateSourceRange(Ctx, MD->getSelectorLoc(pieceIndex));
3823 if (C.kind == CXCursor_ObjCCategoryDecl ||
3824 C.kind == CXCursor_ObjCCategoryImplDecl) {
3826 return clang_getNullRange();
3827 if (const ObjCCategoryDecl *
3828 CD = dyn_cast_or_null<ObjCCategoryDecl>(getCursorDecl(C)))
3829 return cxloc::translateSourceRange(Ctx, CD->getCategoryNameLoc());
3830 if (const ObjCCategoryImplDecl *
3831 CID = dyn_cast_or_null<ObjCCategoryImplDecl>(getCursorDecl(C)))
3832 return cxloc::translateSourceRange(Ctx, CID->getCategoryNameLoc());
3835 if (C.kind == CXCursor_ModuleImportDecl) {
3837 return clang_getNullRange();
3838 if (const ImportDecl *ImportD =
3839 dyn_cast_or_null<ImportDecl>(getCursorDecl(C))) {
3840 ArrayRef<SourceLocation> Locs = ImportD->getIdentifierLocs();
3842 return cxloc::translateSourceRange(Ctx,
3843 SourceRange(Locs.front(), Locs.back()));
3845 return clang_getNullRange();
3848 if (C.kind == CXCursor_CXXMethod || C.kind == CXCursor_Destructor ||
3849 C.kind == CXCursor_ConversionFunction) {
3851 return clang_getNullRange();
3852 if (const FunctionDecl *FD =
3853 dyn_cast_or_null<FunctionDecl>(getCursorDecl(C))) {
3854 DeclarationNameInfo FunctionName = FD->getNameInfo();
3855 return cxloc::translateSourceRange(Ctx, FunctionName.getSourceRange());
3857 return clang_getNullRange();
3860 // FIXME: A CXCursor_InclusionDirective should give the location of the
3861 // filename, but we don't keep track of this.
3863 // FIXME: A CXCursor_AnnotateAttr should give the location of the annotation
3864 // but we don't keep track of this.
3866 // FIXME: A CXCursor_AsmLabelAttr should give the location of the label
3867 // but we don't keep track of this.
3869 // Default handling, give the location of the cursor.
3872 return clang_getNullRange();
3874 CXSourceLocation CXLoc = clang_getCursorLocation(C);
3875 SourceLocation Loc = cxloc::translateSourceLocation(CXLoc);
3876 return cxloc::translateSourceRange(Ctx, Loc);
3879 CXString clang_Cursor_getMangling(CXCursor C) {
3880 if (clang_isInvalid(C.kind) || !clang_isDeclaration(C.kind))
3881 return cxstring::createEmpty();
3883 // Mangling only works for functions and variables.
3884 const Decl *D = getCursorDecl(C);
3885 if (!D || !(isa<FunctionDecl>(D) || isa<VarDecl>(D)))
3886 return cxstring::createEmpty();
3888 // First apply frontend mangling.
3889 const NamedDecl *ND = cast<NamedDecl>(D);
3890 ASTContext &Ctx = ND->getASTContext();
3891 std::unique_ptr<MangleContext> MC(Ctx.createMangleContext());
3893 std::string FrontendBuf;
3894 llvm::raw_string_ostream FrontendBufOS(FrontendBuf);
3895 MC->mangleName(ND, FrontendBufOS);
3897 // Now apply backend mangling.
3898 std::unique_ptr<llvm::DataLayout> DL(
3899 new llvm::DataLayout(Ctx.getTargetInfo().getDataLayoutString()));
3901 std::string FinalBuf;
3902 llvm::raw_string_ostream FinalBufOS(FinalBuf);
3903 llvm::Mangler::getNameWithPrefix(FinalBufOS, llvm::Twine(FrontendBufOS.str()),
3906 return cxstring::createDup(FinalBufOS.str());
3909 CXString clang_getCursorDisplayName(CXCursor C) {
3910 if (!clang_isDeclaration(C.kind))
3911 return clang_getCursorSpelling(C);
3913 const Decl *D = getCursorDecl(C);
3915 return cxstring::createEmpty();
3917 PrintingPolicy Policy = getCursorContext(C).getPrintingPolicy();
3918 if (const FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(D))
3919 D = FunTmpl->getTemplatedDecl();
3921 if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
3922 SmallString<64> Str;
3923 llvm::raw_svector_ostream OS(Str);
3925 if (Function->getPrimaryTemplate())
3928 for (unsigned I = 0, N = Function->getNumParams(); I != N; ++I) {
3931 OS << Function->getParamDecl(I)->getType().getAsString(Policy);
3934 if (Function->isVariadic()) {
3935 if (Function->getNumParams())
3940 return cxstring::createDup(OS.str());
3943 if (const ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(D)) {
3944 SmallString<64> Str;
3945 llvm::raw_svector_ostream OS(Str);
3946 OS << *ClassTemplate;
3948 TemplateParameterList *Params = ClassTemplate->getTemplateParameters();
3949 for (unsigned I = 0, N = Params->size(); I != N; ++I) {
3953 NamedDecl *Param = Params->getParam(I);
3954 if (Param->getIdentifier()) {
3955 OS << Param->getIdentifier()->getName();
3959 // There is no parameter name, which makes this tricky. Try to come up
3960 // with something useful that isn't too long.
3961 if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Param))
3962 OS << (TTP->wasDeclaredWithTypename()? "typename" : "class");
3963 else if (NonTypeTemplateParmDecl *NTTP
3964 = dyn_cast<NonTypeTemplateParmDecl>(Param))
3965 OS << NTTP->getType().getAsString(Policy);
3967 OS << "template<...> class";
3971 return cxstring::createDup(OS.str());
3974 if (const ClassTemplateSpecializationDecl *ClassSpec
3975 = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
3976 // If the type was explicitly written, use that.
3977 if (TypeSourceInfo *TSInfo = ClassSpec->getTypeAsWritten())
3978 return cxstring::createDup(TSInfo->getType().getAsString(Policy));
3980 SmallString<128> Str;
3981 llvm::raw_svector_ostream OS(Str);
3983 TemplateSpecializationType::PrintTemplateArgumentList(OS,
3984 ClassSpec->getTemplateArgs().data(),
3985 ClassSpec->getTemplateArgs().size(),
3987 return cxstring::createDup(OS.str());
3990 return clang_getCursorSpelling(C);
3993 CXString clang_getCursorKindSpelling(enum CXCursorKind Kind) {
3995 case CXCursor_FunctionDecl:
3996 return cxstring::createRef("FunctionDecl");
3997 case CXCursor_TypedefDecl:
3998 return cxstring::createRef("TypedefDecl");
3999 case CXCursor_EnumDecl:
4000 return cxstring::createRef("EnumDecl");
4001 case CXCursor_EnumConstantDecl:
4002 return cxstring::createRef("EnumConstantDecl");
4003 case CXCursor_StructDecl:
4004 return cxstring::createRef("StructDecl");
4005 case CXCursor_UnionDecl:
4006 return cxstring::createRef("UnionDecl");
4007 case CXCursor_ClassDecl:
4008 return cxstring::createRef("ClassDecl");
4009 case CXCursor_FieldDecl:
4010 return cxstring::createRef("FieldDecl");
4011 case CXCursor_VarDecl:
4012 return cxstring::createRef("VarDecl");
4013 case CXCursor_ParmDecl:
4014 return cxstring::createRef("ParmDecl");
4015 case CXCursor_ObjCInterfaceDecl:
4016 return cxstring::createRef("ObjCInterfaceDecl");
4017 case CXCursor_ObjCCategoryDecl:
4018 return cxstring::createRef("ObjCCategoryDecl");
4019 case CXCursor_ObjCProtocolDecl:
4020 return cxstring::createRef("ObjCProtocolDecl");
4021 case CXCursor_ObjCPropertyDecl:
4022 return cxstring::createRef("ObjCPropertyDecl");
4023 case CXCursor_ObjCIvarDecl:
4024 return cxstring::createRef("ObjCIvarDecl");
4025 case CXCursor_ObjCInstanceMethodDecl:
4026 return cxstring::createRef("ObjCInstanceMethodDecl");
4027 case CXCursor_ObjCClassMethodDecl:
4028 return cxstring::createRef("ObjCClassMethodDecl");
4029 case CXCursor_ObjCImplementationDecl:
4030 return cxstring::createRef("ObjCImplementationDecl");
4031 case CXCursor_ObjCCategoryImplDecl:
4032 return cxstring::createRef("ObjCCategoryImplDecl");
4033 case CXCursor_CXXMethod:
4034 return cxstring::createRef("CXXMethod");
4035 case CXCursor_UnexposedDecl:
4036 return cxstring::createRef("UnexposedDecl");
4037 case CXCursor_ObjCSuperClassRef:
4038 return cxstring::createRef("ObjCSuperClassRef");
4039 case CXCursor_ObjCProtocolRef:
4040 return cxstring::createRef("ObjCProtocolRef");
4041 case CXCursor_ObjCClassRef:
4042 return cxstring::createRef("ObjCClassRef");
4043 case CXCursor_TypeRef:
4044 return cxstring::createRef("TypeRef");
4045 case CXCursor_TemplateRef:
4046 return cxstring::createRef("TemplateRef");
4047 case CXCursor_NamespaceRef:
4048 return cxstring::createRef("NamespaceRef");
4049 case CXCursor_MemberRef:
4050 return cxstring::createRef("MemberRef");
4051 case CXCursor_LabelRef:
4052 return cxstring::createRef("LabelRef");
4053 case CXCursor_OverloadedDeclRef:
4054 return cxstring::createRef("OverloadedDeclRef");
4055 case CXCursor_VariableRef:
4056 return cxstring::createRef("VariableRef");
4057 case CXCursor_IntegerLiteral:
4058 return cxstring::createRef("IntegerLiteral");
4059 case CXCursor_FloatingLiteral:
4060 return cxstring::createRef("FloatingLiteral");
4061 case CXCursor_ImaginaryLiteral:
4062 return cxstring::createRef("ImaginaryLiteral");
4063 case CXCursor_StringLiteral:
4064 return cxstring::createRef("StringLiteral");
4065 case CXCursor_CharacterLiteral:
4066 return cxstring::createRef("CharacterLiteral");
4067 case CXCursor_ParenExpr:
4068 return cxstring::createRef("ParenExpr");
4069 case CXCursor_UnaryOperator:
4070 return cxstring::createRef("UnaryOperator");
4071 case CXCursor_ArraySubscriptExpr:
4072 return cxstring::createRef("ArraySubscriptExpr");
4073 case CXCursor_OMPArraySectionExpr:
4074 return cxstring::createRef("OMPArraySectionExpr");
4075 case CXCursor_BinaryOperator:
4076 return cxstring::createRef("BinaryOperator");
4077 case CXCursor_CompoundAssignOperator:
4078 return cxstring::createRef("CompoundAssignOperator");
4079 case CXCursor_ConditionalOperator:
4080 return cxstring::createRef("ConditionalOperator");
4081 case CXCursor_CStyleCastExpr:
4082 return cxstring::createRef("CStyleCastExpr");
4083 case CXCursor_CompoundLiteralExpr:
4084 return cxstring::createRef("CompoundLiteralExpr");
4085 case CXCursor_InitListExpr:
4086 return cxstring::createRef("InitListExpr");
4087 case CXCursor_AddrLabelExpr:
4088 return cxstring::createRef("AddrLabelExpr");
4089 case CXCursor_StmtExpr:
4090 return cxstring::createRef("StmtExpr");
4091 case CXCursor_GenericSelectionExpr:
4092 return cxstring::createRef("GenericSelectionExpr");
4093 case CXCursor_GNUNullExpr:
4094 return cxstring::createRef("GNUNullExpr");
4095 case CXCursor_CXXStaticCastExpr:
4096 return cxstring::createRef("CXXStaticCastExpr");
4097 case CXCursor_CXXDynamicCastExpr:
4098 return cxstring::createRef("CXXDynamicCastExpr");
4099 case CXCursor_CXXReinterpretCastExpr:
4100 return cxstring::createRef("CXXReinterpretCastExpr");
4101 case CXCursor_CXXConstCastExpr:
4102 return cxstring::createRef("CXXConstCastExpr");
4103 case CXCursor_CXXFunctionalCastExpr:
4104 return cxstring::createRef("CXXFunctionalCastExpr");
4105 case CXCursor_CXXTypeidExpr:
4106 return cxstring::createRef("CXXTypeidExpr");
4107 case CXCursor_CXXBoolLiteralExpr:
4108 return cxstring::createRef("CXXBoolLiteralExpr");
4109 case CXCursor_CXXNullPtrLiteralExpr:
4110 return cxstring::createRef("CXXNullPtrLiteralExpr");
4111 case CXCursor_CXXThisExpr:
4112 return cxstring::createRef("CXXThisExpr");
4113 case CXCursor_CXXThrowExpr:
4114 return cxstring::createRef("CXXThrowExpr");
4115 case CXCursor_CXXNewExpr:
4116 return cxstring::createRef("CXXNewExpr");
4117 case CXCursor_CXXDeleteExpr:
4118 return cxstring::createRef("CXXDeleteExpr");
4119 case CXCursor_UnaryExpr:
4120 return cxstring::createRef("UnaryExpr");
4121 case CXCursor_ObjCStringLiteral:
4122 return cxstring::createRef("ObjCStringLiteral");
4123 case CXCursor_ObjCBoolLiteralExpr:
4124 return cxstring::createRef("ObjCBoolLiteralExpr");
4125 case CXCursor_ObjCSelfExpr:
4126 return cxstring::createRef("ObjCSelfExpr");
4127 case CXCursor_ObjCEncodeExpr:
4128 return cxstring::createRef("ObjCEncodeExpr");
4129 case CXCursor_ObjCSelectorExpr:
4130 return cxstring::createRef("ObjCSelectorExpr");
4131 case CXCursor_ObjCProtocolExpr:
4132 return cxstring::createRef("ObjCProtocolExpr");
4133 case CXCursor_ObjCBridgedCastExpr:
4134 return cxstring::createRef("ObjCBridgedCastExpr");
4135 case CXCursor_BlockExpr:
4136 return cxstring::createRef("BlockExpr");
4137 case CXCursor_PackExpansionExpr:
4138 return cxstring::createRef("PackExpansionExpr");
4139 case CXCursor_SizeOfPackExpr:
4140 return cxstring::createRef("SizeOfPackExpr");
4141 case CXCursor_LambdaExpr:
4142 return cxstring::createRef("LambdaExpr");
4143 case CXCursor_UnexposedExpr:
4144 return cxstring::createRef("UnexposedExpr");
4145 case CXCursor_DeclRefExpr:
4146 return cxstring::createRef("DeclRefExpr");
4147 case CXCursor_MemberRefExpr:
4148 return cxstring::createRef("MemberRefExpr");
4149 case CXCursor_CallExpr:
4150 return cxstring::createRef("CallExpr");
4151 case CXCursor_ObjCMessageExpr:
4152 return cxstring::createRef("ObjCMessageExpr");
4153 case CXCursor_UnexposedStmt:
4154 return cxstring::createRef("UnexposedStmt");
4155 case CXCursor_DeclStmt:
4156 return cxstring::createRef("DeclStmt");
4157 case CXCursor_LabelStmt:
4158 return cxstring::createRef("LabelStmt");
4159 case CXCursor_CompoundStmt:
4160 return cxstring::createRef("CompoundStmt");
4161 case CXCursor_CaseStmt:
4162 return cxstring::createRef("CaseStmt");
4163 case CXCursor_DefaultStmt:
4164 return cxstring::createRef("DefaultStmt");
4165 case CXCursor_IfStmt:
4166 return cxstring::createRef("IfStmt");
4167 case CXCursor_SwitchStmt:
4168 return cxstring::createRef("SwitchStmt");
4169 case CXCursor_WhileStmt:
4170 return cxstring::createRef("WhileStmt");
4171 case CXCursor_DoStmt:
4172 return cxstring::createRef("DoStmt");
4173 case CXCursor_ForStmt:
4174 return cxstring::createRef("ForStmt");
4175 case CXCursor_GotoStmt:
4176 return cxstring::createRef("GotoStmt");
4177 case CXCursor_IndirectGotoStmt:
4178 return cxstring::createRef("IndirectGotoStmt");
4179 case CXCursor_ContinueStmt:
4180 return cxstring::createRef("ContinueStmt");
4181 case CXCursor_BreakStmt:
4182 return cxstring::createRef("BreakStmt");
4183 case CXCursor_ReturnStmt:
4184 return cxstring::createRef("ReturnStmt");
4185 case CXCursor_GCCAsmStmt:
4186 return cxstring::createRef("GCCAsmStmt");
4187 case CXCursor_MSAsmStmt:
4188 return cxstring::createRef("MSAsmStmt");
4189 case CXCursor_ObjCAtTryStmt:
4190 return cxstring::createRef("ObjCAtTryStmt");
4191 case CXCursor_ObjCAtCatchStmt:
4192 return cxstring::createRef("ObjCAtCatchStmt");
4193 case CXCursor_ObjCAtFinallyStmt:
4194 return cxstring::createRef("ObjCAtFinallyStmt");
4195 case CXCursor_ObjCAtThrowStmt:
4196 return cxstring::createRef("ObjCAtThrowStmt");
4197 case CXCursor_ObjCAtSynchronizedStmt:
4198 return cxstring::createRef("ObjCAtSynchronizedStmt");
4199 case CXCursor_ObjCAutoreleasePoolStmt:
4200 return cxstring::createRef("ObjCAutoreleasePoolStmt");
4201 case CXCursor_ObjCForCollectionStmt:
4202 return cxstring::createRef("ObjCForCollectionStmt");
4203 case CXCursor_CXXCatchStmt:
4204 return cxstring::createRef("CXXCatchStmt");
4205 case CXCursor_CXXTryStmt:
4206 return cxstring::createRef("CXXTryStmt");
4207 case CXCursor_CXXForRangeStmt:
4208 return cxstring::createRef("CXXForRangeStmt");
4209 case CXCursor_SEHTryStmt:
4210 return cxstring::createRef("SEHTryStmt");
4211 case CXCursor_SEHExceptStmt:
4212 return cxstring::createRef("SEHExceptStmt");
4213 case CXCursor_SEHFinallyStmt:
4214 return cxstring::createRef("SEHFinallyStmt");
4215 case CXCursor_SEHLeaveStmt:
4216 return cxstring::createRef("SEHLeaveStmt");
4217 case CXCursor_NullStmt:
4218 return cxstring::createRef("NullStmt");
4219 case CXCursor_InvalidFile:
4220 return cxstring::createRef("InvalidFile");
4221 case CXCursor_InvalidCode:
4222 return cxstring::createRef("InvalidCode");
4223 case CXCursor_NoDeclFound:
4224 return cxstring::createRef("NoDeclFound");
4225 case CXCursor_NotImplemented:
4226 return cxstring::createRef("NotImplemented");
4227 case CXCursor_TranslationUnit:
4228 return cxstring::createRef("TranslationUnit");
4229 case CXCursor_UnexposedAttr:
4230 return cxstring::createRef("UnexposedAttr");
4231 case CXCursor_IBActionAttr:
4232 return cxstring::createRef("attribute(ibaction)");
4233 case CXCursor_IBOutletAttr:
4234 return cxstring::createRef("attribute(iboutlet)");
4235 case CXCursor_IBOutletCollectionAttr:
4236 return cxstring::createRef("attribute(iboutletcollection)");
4237 case CXCursor_CXXFinalAttr:
4238 return cxstring::createRef("attribute(final)");
4239 case CXCursor_CXXOverrideAttr:
4240 return cxstring::createRef("attribute(override)");
4241 case CXCursor_AnnotateAttr:
4242 return cxstring::createRef("attribute(annotate)");
4243 case CXCursor_AsmLabelAttr:
4244 return cxstring::createRef("asm label");
4245 case CXCursor_PackedAttr:
4246 return cxstring::createRef("attribute(packed)");
4247 case CXCursor_PureAttr:
4248 return cxstring::createRef("attribute(pure)");
4249 case CXCursor_ConstAttr:
4250 return cxstring::createRef("attribute(const)");
4251 case CXCursor_NoDuplicateAttr:
4252 return cxstring::createRef("attribute(noduplicate)");
4253 case CXCursor_CUDAConstantAttr:
4254 return cxstring::createRef("attribute(constant)");
4255 case CXCursor_CUDADeviceAttr:
4256 return cxstring::createRef("attribute(device)");
4257 case CXCursor_CUDAGlobalAttr:
4258 return cxstring::createRef("attribute(global)");
4259 case CXCursor_CUDAHostAttr:
4260 return cxstring::createRef("attribute(host)");
4261 case CXCursor_CUDASharedAttr:
4262 return cxstring::createRef("attribute(shared)");
4263 case CXCursor_VisibilityAttr:
4264 return cxstring::createRef("attribute(visibility)");
4265 case CXCursor_PreprocessingDirective:
4266 return cxstring::createRef("preprocessing directive");
4267 case CXCursor_MacroDefinition:
4268 return cxstring::createRef("macro definition");
4269 case CXCursor_MacroExpansion:
4270 return cxstring::createRef("macro expansion");
4271 case CXCursor_InclusionDirective:
4272 return cxstring::createRef("inclusion directive");
4273 case CXCursor_Namespace:
4274 return cxstring::createRef("Namespace");
4275 case CXCursor_LinkageSpec:
4276 return cxstring::createRef("LinkageSpec");
4277 case CXCursor_CXXBaseSpecifier:
4278 return cxstring::createRef("C++ base class specifier");
4279 case CXCursor_Constructor:
4280 return cxstring::createRef("CXXConstructor");
4281 case CXCursor_Destructor:
4282 return cxstring::createRef("CXXDestructor");
4283 case CXCursor_ConversionFunction:
4284 return cxstring::createRef("CXXConversion");
4285 case CXCursor_TemplateTypeParameter:
4286 return cxstring::createRef("TemplateTypeParameter");
4287 case CXCursor_NonTypeTemplateParameter:
4288 return cxstring::createRef("NonTypeTemplateParameter");
4289 case CXCursor_TemplateTemplateParameter:
4290 return cxstring::createRef("TemplateTemplateParameter");
4291 case CXCursor_FunctionTemplate:
4292 return cxstring::createRef("FunctionTemplate");
4293 case CXCursor_ClassTemplate:
4294 return cxstring::createRef("ClassTemplate");
4295 case CXCursor_ClassTemplatePartialSpecialization:
4296 return cxstring::createRef("ClassTemplatePartialSpecialization");
4297 case CXCursor_NamespaceAlias:
4298 return cxstring::createRef("NamespaceAlias");
4299 case CXCursor_UsingDirective:
4300 return cxstring::createRef("UsingDirective");
4301 case CXCursor_UsingDeclaration:
4302 return cxstring::createRef("UsingDeclaration");
4303 case CXCursor_TypeAliasDecl:
4304 return cxstring::createRef("TypeAliasDecl");
4305 case CXCursor_ObjCSynthesizeDecl:
4306 return cxstring::createRef("ObjCSynthesizeDecl");
4307 case CXCursor_ObjCDynamicDecl:
4308 return cxstring::createRef("ObjCDynamicDecl");
4309 case CXCursor_CXXAccessSpecifier:
4310 return cxstring::createRef("CXXAccessSpecifier");
4311 case CXCursor_ModuleImportDecl:
4312 return cxstring::createRef("ModuleImport");
4313 case CXCursor_OMPParallelDirective:
4314 return cxstring::createRef("OMPParallelDirective");
4315 case CXCursor_OMPSimdDirective:
4316 return cxstring::createRef("OMPSimdDirective");
4317 case CXCursor_OMPForDirective:
4318 return cxstring::createRef("OMPForDirective");
4319 case CXCursor_OMPForSimdDirective:
4320 return cxstring::createRef("OMPForSimdDirective");
4321 case CXCursor_OMPSectionsDirective:
4322 return cxstring::createRef("OMPSectionsDirective");
4323 case CXCursor_OMPSectionDirective:
4324 return cxstring::createRef("OMPSectionDirective");
4325 case CXCursor_OMPSingleDirective:
4326 return cxstring::createRef("OMPSingleDirective");
4327 case CXCursor_OMPMasterDirective:
4328 return cxstring::createRef("OMPMasterDirective");
4329 case CXCursor_OMPCriticalDirective:
4330 return cxstring::createRef("OMPCriticalDirective");
4331 case CXCursor_OMPParallelForDirective:
4332 return cxstring::createRef("OMPParallelForDirective");
4333 case CXCursor_OMPParallelForSimdDirective:
4334 return cxstring::createRef("OMPParallelForSimdDirective");
4335 case CXCursor_OMPParallelSectionsDirective:
4336 return cxstring::createRef("OMPParallelSectionsDirective");
4337 case CXCursor_OMPTaskDirective:
4338 return cxstring::createRef("OMPTaskDirective");
4339 case CXCursor_OMPTaskyieldDirective:
4340 return cxstring::createRef("OMPTaskyieldDirective");
4341 case CXCursor_OMPBarrierDirective:
4342 return cxstring::createRef("OMPBarrierDirective");
4343 case CXCursor_OMPTaskwaitDirective:
4344 return cxstring::createRef("OMPTaskwaitDirective");
4345 case CXCursor_OMPTaskgroupDirective:
4346 return cxstring::createRef("OMPTaskgroupDirective");
4347 case CXCursor_OMPFlushDirective:
4348 return cxstring::createRef("OMPFlushDirective");
4349 case CXCursor_OMPOrderedDirective:
4350 return cxstring::createRef("OMPOrderedDirective");
4351 case CXCursor_OMPAtomicDirective:
4352 return cxstring::createRef("OMPAtomicDirective");
4353 case CXCursor_OMPTargetDirective:
4354 return cxstring::createRef("OMPTargetDirective");
4355 case CXCursor_OMPTargetDataDirective:
4356 return cxstring::createRef("OMPTargetDataDirective");
4357 case CXCursor_OMPTeamsDirective:
4358 return cxstring::createRef("OMPTeamsDirective");
4359 case CXCursor_OMPCancellationPointDirective:
4360 return cxstring::createRef("OMPCancellationPointDirective");
4361 case CXCursor_OMPCancelDirective:
4362 return cxstring::createRef("OMPCancelDirective");
4363 case CXCursor_OverloadCandidate:
4364 return cxstring::createRef("OverloadCandidate");
4367 llvm_unreachable("Unhandled CXCursorKind");
4370 struct GetCursorData {
4371 SourceLocation TokenBeginLoc;
4372 bool PointsAtMacroArgExpansion;
4373 bool VisitedObjCPropertyImplDecl;
4374 SourceLocation VisitedDeclaratorDeclStartLoc;
4375 CXCursor &BestCursor;
4377 GetCursorData(SourceManager &SM,
4378 SourceLocation tokenBegin, CXCursor &outputCursor)
4379 : TokenBeginLoc(tokenBegin), BestCursor(outputCursor) {
4380 PointsAtMacroArgExpansion = SM.isMacroArgExpansion(tokenBegin);
4381 VisitedObjCPropertyImplDecl = false;
4385 static enum CXChildVisitResult GetCursorVisitor(CXCursor cursor,
4387 CXClientData client_data) {
4388 GetCursorData *Data = static_cast<GetCursorData *>(client_data);
4389 CXCursor *BestCursor = &Data->BestCursor;
4391 // If we point inside a macro argument we should provide info of what the
4392 // token is so use the actual cursor, don't replace it with a macro expansion
4394 if (cursor.kind == CXCursor_MacroExpansion && Data->PointsAtMacroArgExpansion)
4395 return CXChildVisit_Recurse;
4397 if (clang_isDeclaration(cursor.kind)) {
4398 // Avoid having the implicit methods override the property decls.
4399 if (const ObjCMethodDecl *MD
4400 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
4401 if (MD->isImplicit())
4402 return CXChildVisit_Break;
4404 } else if (const ObjCInterfaceDecl *ID
4405 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(cursor))) {
4406 // Check that when we have multiple @class references in the same line,
4407 // that later ones do not override the previous ones.
4410 // source ranges for both start at '@', so 'Bar' will end up overriding
4411 // 'Foo' even though the cursor location was at 'Foo'.
4412 if (BestCursor->kind == CXCursor_ObjCInterfaceDecl ||
4413 BestCursor->kind == CXCursor_ObjCClassRef)
4414 if (const ObjCInterfaceDecl *PrevID
4415 = dyn_cast_or_null<ObjCInterfaceDecl>(getCursorDecl(*BestCursor))){
4417 !PrevID->isThisDeclarationADefinition() &&
4418 !ID->isThisDeclarationADefinition())
4419 return CXChildVisit_Break;
4422 } else if (const DeclaratorDecl *DD
4423 = dyn_cast_or_null<DeclaratorDecl>(getCursorDecl(cursor))) {
4424 SourceLocation StartLoc = DD->getSourceRange().getBegin();
4425 // Check that when we have multiple declarators in the same line,
4426 // that later ones do not override the previous ones.
4429 // source ranges for both start at 'int', so 'Bar' will end up overriding
4430 // 'Foo' even though the cursor location was at 'Foo'.
4431 if (Data->VisitedDeclaratorDeclStartLoc == StartLoc)
4432 return CXChildVisit_Break;
4433 Data->VisitedDeclaratorDeclStartLoc = StartLoc;
4435 } else if (const ObjCPropertyImplDecl *PropImp
4436 = dyn_cast_or_null<ObjCPropertyImplDecl>(getCursorDecl(cursor))) {
4438 // Check that when we have multiple @synthesize in the same line,
4439 // that later ones do not override the previous ones.
4441 // @synthesize Foo, Bar;
4442 // source ranges for both start at '@', so 'Bar' will end up overriding
4443 // 'Foo' even though the cursor location was at 'Foo'.
4444 if (Data->VisitedObjCPropertyImplDecl)
4445 return CXChildVisit_Break;
4446 Data->VisitedObjCPropertyImplDecl = true;
4450 if (clang_isExpression(cursor.kind) &&
4451 clang_isDeclaration(BestCursor->kind)) {
4452 if (const Decl *D = getCursorDecl(*BestCursor)) {
4453 // Avoid having the cursor of an expression replace the declaration cursor
4454 // when the expression source range overlaps the declaration range.
4455 // This can happen for C++ constructor expressions whose range generally
4456 // include the variable declaration, e.g.:
4457 // MyCXXClass foo; // Make sure pointing at 'foo' returns a VarDecl cursor.
4458 if (D->getLocation().isValid() && Data->TokenBeginLoc.isValid() &&
4459 D->getLocation() == Data->TokenBeginLoc)
4460 return CXChildVisit_Break;
4464 // If our current best cursor is the construction of a temporary object,
4465 // don't replace that cursor with a type reference, because we want
4466 // clang_getCursor() to point at the constructor.
4467 if (clang_isExpression(BestCursor->kind) &&
4468 isa<CXXTemporaryObjectExpr>(getCursorExpr(*BestCursor)) &&
4469 cursor.kind == CXCursor_TypeRef) {
4470 // Keep the cursor pointing at CXXTemporaryObjectExpr but also mark it
4471 // as having the actual point on the type reference.
4472 *BestCursor = getTypeRefedCallExprCursor(*BestCursor);
4473 return CXChildVisit_Recurse;
4476 // If we already have an Objective-C superclass reference, don't
4477 // update it further.
4478 if (BestCursor->kind == CXCursor_ObjCSuperClassRef)
4479 return CXChildVisit_Break;
4481 *BestCursor = cursor;
4482 return CXChildVisit_Recurse;
4485 CXCursor clang_getCursor(CXTranslationUnit TU, CXSourceLocation Loc) {
4486 if (isNotUsableTU(TU)) {
4488 return clang_getNullCursor();
4491 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4492 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
4494 SourceLocation SLoc = cxloc::translateSourceLocation(Loc);
4495 CXCursor Result = cxcursor::getCursor(TU, SLoc);
4499 unsigned SearchLine, SearchColumn;
4501 unsigned ResultLine, ResultColumn;
4502 CXString SearchFileName, ResultFileName, KindSpelling, USR;
4503 const char *IsDef = clang_isCursorDefinition(Result)? " (Definition)" : "";
4504 CXSourceLocation ResultLoc = clang_getCursorLocation(Result);
4506 clang_getFileLocation(Loc, &SearchFile, &SearchLine, &SearchColumn,
4508 clang_getFileLocation(ResultLoc, &ResultFile, &ResultLine,
4509 &ResultColumn, nullptr);
4510 SearchFileName = clang_getFileName(SearchFile);
4511 ResultFileName = clang_getFileName(ResultFile);
4512 KindSpelling = clang_getCursorKindSpelling(Result.kind);
4513 USR = clang_getCursorUSR(Result);
4514 *Log << llvm::format("(%s:%d:%d) = %s",
4515 clang_getCString(SearchFileName), SearchLine, SearchColumn,
4516 clang_getCString(KindSpelling))
4517 << llvm::format("(%s:%d:%d):%s%s",
4518 clang_getCString(ResultFileName), ResultLine, ResultColumn,
4519 clang_getCString(USR), IsDef);
4520 clang_disposeString(SearchFileName);
4521 clang_disposeString(ResultFileName);
4522 clang_disposeString(KindSpelling);
4523 clang_disposeString(USR);
4525 CXCursor Definition = clang_getCursorDefinition(Result);
4526 if (!clang_equalCursors(Definition, clang_getNullCursor())) {
4527 CXSourceLocation DefinitionLoc = clang_getCursorLocation(Definition);
4528 CXString DefinitionKindSpelling
4529 = clang_getCursorKindSpelling(Definition.kind);
4530 CXFile DefinitionFile;
4531 unsigned DefinitionLine, DefinitionColumn;
4532 clang_getFileLocation(DefinitionLoc, &DefinitionFile,
4533 &DefinitionLine, &DefinitionColumn, nullptr);
4534 CXString DefinitionFileName = clang_getFileName(DefinitionFile);
4535 *Log << llvm::format(" -> %s(%s:%d:%d)",
4536 clang_getCString(DefinitionKindSpelling),
4537 clang_getCString(DefinitionFileName),
4538 DefinitionLine, DefinitionColumn);
4539 clang_disposeString(DefinitionFileName);
4540 clang_disposeString(DefinitionKindSpelling);
4547 CXCursor clang_getNullCursor(void) {
4548 return MakeCXCursorInvalid(CXCursor_InvalidFile);
4551 unsigned clang_equalCursors(CXCursor X, CXCursor Y) {
4552 // Clear out the "FirstInDeclGroup" part in a declaration cursor, since we
4553 // can't set consistently. For example, when visiting a DeclStmt we will set
4554 // it but we don't set it on the result of clang_getCursorDefinition for
4555 // a reference of the same declaration.
4556 // FIXME: Setting "FirstInDeclGroup" in CXCursors is a hack that only works
4557 // when visiting a DeclStmt currently, the AST should be enhanced to be able
4558 // to provide that kind of info.
4559 if (clang_isDeclaration(X.kind))
4560 X.data[1] = nullptr;
4561 if (clang_isDeclaration(Y.kind))
4562 Y.data[1] = nullptr;
4567 unsigned clang_hashCursor(CXCursor C) {
4569 if (clang_isExpression(C.kind) || clang_isStatement(C.kind))
4572 return llvm::DenseMapInfo<std::pair<unsigned, const void*> >::getHashValue(
4573 std::make_pair(C.kind, C.data[Index]));
4576 unsigned clang_isInvalid(enum CXCursorKind K) {
4577 return K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid;
4580 unsigned clang_isDeclaration(enum CXCursorKind K) {
4581 return (K >= CXCursor_FirstDecl && K <= CXCursor_LastDecl) ||
4582 (K >= CXCursor_FirstExtraDecl && K <= CXCursor_LastExtraDecl);
4585 unsigned clang_isReference(enum CXCursorKind K) {
4586 return K >= CXCursor_FirstRef && K <= CXCursor_LastRef;
4589 unsigned clang_isExpression(enum CXCursorKind K) {
4590 return K >= CXCursor_FirstExpr && K <= CXCursor_LastExpr;
4593 unsigned clang_isStatement(enum CXCursorKind K) {
4594 return K >= CXCursor_FirstStmt && K <= CXCursor_LastStmt;
4597 unsigned clang_isAttribute(enum CXCursorKind K) {
4598 return K >= CXCursor_FirstAttr && K <= CXCursor_LastAttr;
4601 unsigned clang_isTranslationUnit(enum CXCursorKind K) {
4602 return K == CXCursor_TranslationUnit;
4605 unsigned clang_isPreprocessing(enum CXCursorKind K) {
4606 return K >= CXCursor_FirstPreprocessing && K <= CXCursor_LastPreprocessing;
4609 unsigned clang_isUnexposed(enum CXCursorKind K) {
4611 case CXCursor_UnexposedDecl:
4612 case CXCursor_UnexposedExpr:
4613 case CXCursor_UnexposedStmt:
4614 case CXCursor_UnexposedAttr:
4621 CXCursorKind clang_getCursorKind(CXCursor C) {
4625 CXSourceLocation clang_getCursorLocation(CXCursor C) {
4626 if (clang_isReference(C.kind)) {
4628 case CXCursor_ObjCSuperClassRef: {
4629 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
4630 = getCursorObjCSuperClassRef(C);
4631 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4634 case CXCursor_ObjCProtocolRef: {
4635 std::pair<const ObjCProtocolDecl *, SourceLocation> P
4636 = getCursorObjCProtocolRef(C);
4637 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4640 case CXCursor_ObjCClassRef: {
4641 std::pair<const ObjCInterfaceDecl *, SourceLocation> P
4642 = getCursorObjCClassRef(C);
4643 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4646 case CXCursor_TypeRef: {
4647 std::pair<const TypeDecl *, SourceLocation> P = getCursorTypeRef(C);
4648 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4651 case CXCursor_TemplateRef: {
4652 std::pair<const TemplateDecl *, SourceLocation> P =
4653 getCursorTemplateRef(C);
4654 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4657 case CXCursor_NamespaceRef: {
4658 std::pair<const NamedDecl *, SourceLocation> P = getCursorNamespaceRef(C);
4659 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4662 case CXCursor_MemberRef: {
4663 std::pair<const FieldDecl *, SourceLocation> P = getCursorMemberRef(C);
4664 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4667 case CXCursor_VariableRef: {
4668 std::pair<const VarDecl *, SourceLocation> P = getCursorVariableRef(C);
4669 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
4672 case CXCursor_CXXBaseSpecifier: {
4673 const CXXBaseSpecifier *BaseSpec = getCursorCXXBaseSpecifier(C);
4675 return clang_getNullLocation();
4677 if (TypeSourceInfo *TSInfo = BaseSpec->getTypeSourceInfo())
4678 return cxloc::translateSourceLocation(getCursorContext(C),
4679 TSInfo->getTypeLoc().getBeginLoc());
4681 return cxloc::translateSourceLocation(getCursorContext(C),
4682 BaseSpec->getLocStart());
4685 case CXCursor_LabelRef: {
4686 std::pair<const LabelStmt *, SourceLocation> P = getCursorLabelRef(C);
4687 return cxloc::translateSourceLocation(getCursorContext(C), P.second);
4690 case CXCursor_OverloadedDeclRef:
4691 return cxloc::translateSourceLocation(getCursorContext(C),
4692 getCursorOverloadedDeclRef(C).second);
4695 // FIXME: Need a way to enumerate all non-reference cases.
4696 llvm_unreachable("Missed a reference kind");
4700 if (clang_isExpression(C.kind))
4701 return cxloc::translateSourceLocation(getCursorContext(C),
4702 getLocationFromExpr(getCursorExpr(C)));
4704 if (clang_isStatement(C.kind))
4705 return cxloc::translateSourceLocation(getCursorContext(C),
4706 getCursorStmt(C)->getLocStart());
4708 if (C.kind == CXCursor_PreprocessingDirective) {
4709 SourceLocation L = cxcursor::getCursorPreprocessingDirective(C).getBegin();
4710 return cxloc::translateSourceLocation(getCursorContext(C), L);
4713 if (C.kind == CXCursor_MacroExpansion) {
4715 = cxcursor::getCursorMacroExpansion(C).getSourceRange().getBegin();
4716 return cxloc::translateSourceLocation(getCursorContext(C), L);
4719 if (C.kind == CXCursor_MacroDefinition) {
4720 SourceLocation L = cxcursor::getCursorMacroDefinition(C)->getLocation();
4721 return cxloc::translateSourceLocation(getCursorContext(C), L);
4724 if (C.kind == CXCursor_InclusionDirective) {
4726 = cxcursor::getCursorInclusionDirective(C)->getSourceRange().getBegin();
4727 return cxloc::translateSourceLocation(getCursorContext(C), L);
4730 if (clang_isAttribute(C.kind)) {
4732 = cxcursor::getCursorAttr(C)->getLocation();
4733 return cxloc::translateSourceLocation(getCursorContext(C), L);
4736 if (!clang_isDeclaration(C.kind))
4737 return clang_getNullLocation();
4739 const Decl *D = getCursorDecl(C);
4741 return clang_getNullLocation();
4743 SourceLocation Loc = D->getLocation();
4744 // FIXME: Multiple variables declared in a single declaration
4745 // currently lack the information needed to correctly determine their
4746 // ranges when accounting for the type-specifier. We use context
4747 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
4748 // and if so, whether it is the first decl.
4749 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
4750 if (!cxcursor::isFirstInDeclGroup(C))
4751 Loc = VD->getLocation();
4754 // For ObjC methods, give the start location of the method name.
4755 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
4756 Loc = MD->getSelectorStartLoc();
4758 return cxloc::translateSourceLocation(getCursorContext(C), Loc);
4763 CXCursor cxcursor::getCursor(CXTranslationUnit TU, SourceLocation SLoc) {
4766 // Guard against an invalid SourceLocation, or we may assert in one
4767 // of the following calls.
4768 if (SLoc.isInvalid())
4769 return clang_getNullCursor();
4771 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
4773 // Translate the given source location to make it point at the beginning of
4774 // the token under the cursor.
4775 SLoc = Lexer::GetBeginningOfToken(SLoc, CXXUnit->getSourceManager(),
4776 CXXUnit->getASTContext().getLangOpts());
4778 CXCursor Result = MakeCXCursorInvalid(CXCursor_NoDeclFound);
4779 if (SLoc.isValid()) {
4780 GetCursorData ResultData(CXXUnit->getSourceManager(), SLoc, Result);
4781 CursorVisitor CursorVis(TU, GetCursorVisitor, &ResultData,
4782 /*VisitPreprocessorLast=*/true,
4783 /*VisitIncludedEntities=*/false,
4784 SourceLocation(SLoc));
4785 CursorVis.visitFileRegion();
4791 static SourceRange getRawCursorExtent(CXCursor C) {
4792 if (clang_isReference(C.kind)) {
4794 case CXCursor_ObjCSuperClassRef:
4795 return getCursorObjCSuperClassRef(C).second;
4797 case CXCursor_ObjCProtocolRef:
4798 return getCursorObjCProtocolRef(C).second;
4800 case CXCursor_ObjCClassRef:
4801 return getCursorObjCClassRef(C).second;
4803 case CXCursor_TypeRef:
4804 return getCursorTypeRef(C).second;
4806 case CXCursor_TemplateRef:
4807 return getCursorTemplateRef(C).second;
4809 case CXCursor_NamespaceRef:
4810 return getCursorNamespaceRef(C).second;
4812 case CXCursor_MemberRef:
4813 return getCursorMemberRef(C).second;
4815 case CXCursor_CXXBaseSpecifier:
4816 return getCursorCXXBaseSpecifier(C)->getSourceRange();
4818 case CXCursor_LabelRef:
4819 return getCursorLabelRef(C).second;
4821 case CXCursor_OverloadedDeclRef:
4822 return getCursorOverloadedDeclRef(C).second;
4824 case CXCursor_VariableRef:
4825 return getCursorVariableRef(C).second;
4828 // FIXME: Need a way to enumerate all non-reference cases.
4829 llvm_unreachable("Missed a reference kind");
4833 if (clang_isExpression(C.kind))
4834 return getCursorExpr(C)->getSourceRange();
4836 if (clang_isStatement(C.kind))
4837 return getCursorStmt(C)->getSourceRange();
4839 if (clang_isAttribute(C.kind))
4840 return getCursorAttr(C)->getRange();
4842 if (C.kind == CXCursor_PreprocessingDirective)
4843 return cxcursor::getCursorPreprocessingDirective(C);
4845 if (C.kind == CXCursor_MacroExpansion) {
4846 ASTUnit *TU = getCursorASTUnit(C);
4847 SourceRange Range = cxcursor::getCursorMacroExpansion(C).getSourceRange();
4848 return TU->mapRangeFromPreamble(Range);
4851 if (C.kind == CXCursor_MacroDefinition) {
4852 ASTUnit *TU = getCursorASTUnit(C);
4853 SourceRange Range = cxcursor::getCursorMacroDefinition(C)->getSourceRange();
4854 return TU->mapRangeFromPreamble(Range);
4857 if (C.kind == CXCursor_InclusionDirective) {
4858 ASTUnit *TU = getCursorASTUnit(C);
4859 SourceRange Range = cxcursor::getCursorInclusionDirective(C)->getSourceRange();
4860 return TU->mapRangeFromPreamble(Range);
4863 if (C.kind == CXCursor_TranslationUnit) {
4864 ASTUnit *TU = getCursorASTUnit(C);
4865 FileID MainID = TU->getSourceManager().getMainFileID();
4866 SourceLocation Start = TU->getSourceManager().getLocForStartOfFile(MainID);
4867 SourceLocation End = TU->getSourceManager().getLocForEndOfFile(MainID);
4868 return SourceRange(Start, End);
4871 if (clang_isDeclaration(C.kind)) {
4872 const Decl *D = cxcursor::getCursorDecl(C);
4874 return SourceRange();
4876 SourceRange R = D->getSourceRange();
4877 // FIXME: Multiple variables declared in a single declaration
4878 // currently lack the information needed to correctly determine their
4879 // ranges when accounting for the type-specifier. We use context
4880 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
4881 // and if so, whether it is the first decl.
4882 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
4883 if (!cxcursor::isFirstInDeclGroup(C))
4884 R.setBegin(VD->getLocation());
4888 return SourceRange();
4891 /// \brief Retrieves the "raw" cursor extent, which is then extended to include
4892 /// the decl-specifier-seq for declarations.
4893 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr) {
4894 if (clang_isDeclaration(C.kind)) {
4895 const Decl *D = cxcursor::getCursorDecl(C);
4897 return SourceRange();
4899 SourceRange R = D->getSourceRange();
4901 // Adjust the start of the location for declarations preceded by
4902 // declaration specifiers.
4903 SourceLocation StartLoc;
4904 if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
4905 if (TypeSourceInfo *TI = DD->getTypeSourceInfo())
4906 StartLoc = TI->getTypeLoc().getLocStart();
4907 } else if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(D)) {
4908 if (TypeSourceInfo *TI = Typedef->getTypeSourceInfo())
4909 StartLoc = TI->getTypeLoc().getLocStart();
4912 if (StartLoc.isValid() && R.getBegin().isValid() &&
4913 SrcMgr.isBeforeInTranslationUnit(StartLoc, R.getBegin()))
4914 R.setBegin(StartLoc);
4916 // FIXME: Multiple variables declared in a single declaration
4917 // currently lack the information needed to correctly determine their
4918 // ranges when accounting for the type-specifier. We use context
4919 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
4920 // and if so, whether it is the first decl.
4921 if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
4922 if (!cxcursor::isFirstInDeclGroup(C))
4923 R.setBegin(VD->getLocation());
4929 return getRawCursorExtent(C);
4934 CXSourceRange clang_getCursorExtent(CXCursor C) {
4935 SourceRange R = getRawCursorExtent(C);
4937 return clang_getNullRange();
4939 return cxloc::translateSourceRange(getCursorContext(C), R);
4942 CXCursor clang_getCursorReferenced(CXCursor C) {
4943 if (clang_isInvalid(C.kind))
4944 return clang_getNullCursor();
4946 CXTranslationUnit tu = getCursorTU(C);
4947 if (clang_isDeclaration(C.kind)) {
4948 const Decl *D = getCursorDecl(C);
4950 return clang_getNullCursor();
4951 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
4952 return MakeCursorOverloadedDeclRef(Using, D->getLocation(), tu);
4953 if (const ObjCPropertyImplDecl *PropImpl =
4954 dyn_cast<ObjCPropertyImplDecl>(D))
4955 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
4956 return MakeCXCursor(Property, tu);
4961 if (clang_isExpression(C.kind)) {
4962 const Expr *E = getCursorExpr(C);
4963 const Decl *D = getDeclFromExpr(E);
4965 CXCursor declCursor = MakeCXCursor(D, tu);
4966 declCursor = getSelectorIdentifierCursor(getSelectorIdentifierIndex(C),
4971 if (const OverloadExpr *Ovl = dyn_cast_or_null<OverloadExpr>(E))
4972 return MakeCursorOverloadedDeclRef(Ovl, tu);
4974 return clang_getNullCursor();
4977 if (clang_isStatement(C.kind)) {
4978 const Stmt *S = getCursorStmt(C);
4979 if (const GotoStmt *Goto = dyn_cast_or_null<GotoStmt>(S))
4980 if (LabelDecl *label = Goto->getLabel())
4981 if (LabelStmt *labelS = label->getStmt())
4982 return MakeCXCursor(labelS, getCursorDecl(C), tu);
4984 return clang_getNullCursor();
4987 if (C.kind == CXCursor_MacroExpansion) {
4988 if (const MacroDefinitionRecord *Def =
4989 getCursorMacroExpansion(C).getDefinition())
4990 return MakeMacroDefinitionCursor(Def, tu);
4993 if (!clang_isReference(C.kind))
4994 return clang_getNullCursor();
4997 case CXCursor_ObjCSuperClassRef:
4998 return MakeCXCursor(getCursorObjCSuperClassRef(C).first, tu);
5000 case CXCursor_ObjCProtocolRef: {
5001 const ObjCProtocolDecl *Prot = getCursorObjCProtocolRef(C).first;
5002 if (const ObjCProtocolDecl *Def = Prot->getDefinition())
5003 return MakeCXCursor(Def, tu);
5005 return MakeCXCursor(Prot, tu);
5008 case CXCursor_ObjCClassRef: {
5009 const ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
5010 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5011 return MakeCXCursor(Def, tu);
5013 return MakeCXCursor(Class, tu);
5016 case CXCursor_TypeRef:
5017 return MakeCXCursor(getCursorTypeRef(C).first, tu );
5019 case CXCursor_TemplateRef:
5020 return MakeCXCursor(getCursorTemplateRef(C).first, tu );
5022 case CXCursor_NamespaceRef:
5023 return MakeCXCursor(getCursorNamespaceRef(C).first, tu );
5025 case CXCursor_MemberRef:
5026 return MakeCXCursor(getCursorMemberRef(C).first, tu );
5028 case CXCursor_CXXBaseSpecifier: {
5029 const CXXBaseSpecifier *B = cxcursor::getCursorCXXBaseSpecifier(C);
5030 return clang_getTypeDeclaration(cxtype::MakeCXType(B->getType(),
5034 case CXCursor_LabelRef:
5035 // FIXME: We end up faking the "parent" declaration here because we
5036 // don't want to make CXCursor larger.
5037 return MakeCXCursor(getCursorLabelRef(C).first,
5038 cxtu::getASTUnit(tu)->getASTContext()
5039 .getTranslationUnitDecl(),
5042 case CXCursor_OverloadedDeclRef:
5045 case CXCursor_VariableRef:
5046 return MakeCXCursor(getCursorVariableRef(C).first, tu);
5049 // We would prefer to enumerate all non-reference cursor kinds here.
5050 llvm_unreachable("Unhandled reference cursor kind");
5054 CXCursor clang_getCursorDefinition(CXCursor C) {
5055 if (clang_isInvalid(C.kind))
5056 return clang_getNullCursor();
5058 CXTranslationUnit TU = getCursorTU(C);
5060 bool WasReference = false;
5061 if (clang_isReference(C.kind) || clang_isExpression(C.kind)) {
5062 C = clang_getCursorReferenced(C);
5063 WasReference = true;
5066 if (C.kind == CXCursor_MacroExpansion)
5067 return clang_getCursorReferenced(C);
5069 if (!clang_isDeclaration(C.kind))
5070 return clang_getNullCursor();
5072 const Decl *D = getCursorDecl(C);
5074 return clang_getNullCursor();
5076 switch (D->getKind()) {
5077 // Declaration kinds that don't really separate the notions of
5078 // declaration and definition.
5079 case Decl::Namespace:
5081 case Decl::TypeAlias:
5082 case Decl::TypeAliasTemplate:
5083 case Decl::TemplateTypeParm:
5084 case Decl::EnumConstant:
5086 case Decl::MSProperty:
5087 case Decl::IndirectField:
5088 case Decl::ObjCIvar:
5089 case Decl::ObjCAtDefsField:
5090 case Decl::ImplicitParam:
5092 case Decl::NonTypeTemplateParm:
5093 case Decl::TemplateTemplateParm:
5094 case Decl::ObjCCategoryImpl:
5095 case Decl::ObjCImplementation:
5096 case Decl::AccessSpec:
5097 case Decl::LinkageSpec:
5098 case Decl::ObjCPropertyImpl:
5099 case Decl::FileScopeAsm:
5100 case Decl::StaticAssert:
5102 case Decl::Captured:
5103 case Decl::Label: // FIXME: Is this right??
5104 case Decl::ClassScopeFunctionSpecialization:
5106 case Decl::OMPThreadPrivate:
5107 case Decl::ObjCTypeParam:
5110 // Declaration kinds that don't make any sense here, but are
5111 // nonetheless harmless.
5113 case Decl::TranslationUnit:
5114 case Decl::ExternCContext:
5117 // Declaration kinds for which the definition is not resolvable.
5118 case Decl::UnresolvedUsingTypename:
5119 case Decl::UnresolvedUsingValue:
5122 case Decl::UsingDirective:
5123 return MakeCXCursor(cast<UsingDirectiveDecl>(D)->getNominatedNamespace(),
5126 case Decl::NamespaceAlias:
5127 return MakeCXCursor(cast<NamespaceAliasDecl>(D)->getNamespace(), TU);
5131 case Decl::CXXRecord:
5132 case Decl::ClassTemplateSpecialization:
5133 case Decl::ClassTemplatePartialSpecialization:
5134 if (TagDecl *Def = cast<TagDecl>(D)->getDefinition())
5135 return MakeCXCursor(Def, TU);
5136 return clang_getNullCursor();
5138 case Decl::Function:
5139 case Decl::CXXMethod:
5140 case Decl::CXXConstructor:
5141 case Decl::CXXDestructor:
5142 case Decl::CXXConversion: {
5143 const FunctionDecl *Def = nullptr;
5144 if (cast<FunctionDecl>(D)->getBody(Def))
5145 return MakeCXCursor(Def, TU);
5146 return clang_getNullCursor();
5150 case Decl::VarTemplateSpecialization:
5151 case Decl::VarTemplatePartialSpecialization: {
5152 // Ask the variable if it has a definition.
5153 if (const VarDecl *Def = cast<VarDecl>(D)->getDefinition())
5154 return MakeCXCursor(Def, TU);
5155 return clang_getNullCursor();
5158 case Decl::FunctionTemplate: {
5159 const FunctionDecl *Def = nullptr;
5160 if (cast<FunctionTemplateDecl>(D)->getTemplatedDecl()->getBody(Def))
5161 return MakeCXCursor(Def->getDescribedFunctionTemplate(), TU);
5162 return clang_getNullCursor();
5165 case Decl::ClassTemplate: {
5166 if (RecordDecl *Def = cast<ClassTemplateDecl>(D)->getTemplatedDecl()
5168 return MakeCXCursor(cast<CXXRecordDecl>(Def)->getDescribedClassTemplate(),
5170 return clang_getNullCursor();
5173 case Decl::VarTemplate: {
5175 cast<VarTemplateDecl>(D)->getTemplatedDecl()->getDefinition())
5176 return MakeCXCursor(cast<VarDecl>(Def)->getDescribedVarTemplate(), TU);
5177 return clang_getNullCursor();
5181 return MakeCursorOverloadedDeclRef(cast<UsingDecl>(D),
5182 D->getLocation(), TU);
5184 case Decl::UsingShadow:
5185 return clang_getCursorDefinition(
5186 MakeCXCursor(cast<UsingShadowDecl>(D)->getTargetDecl(),
5189 case Decl::ObjCMethod: {
5190 const ObjCMethodDecl *Method = cast<ObjCMethodDecl>(D);
5191 if (Method->isThisDeclarationADefinition())
5194 // Dig out the method definition in the associated
5195 // @implementation, if we have it.
5196 // FIXME: The ASTs should make finding the definition easier.
5197 if (const ObjCInterfaceDecl *Class
5198 = dyn_cast<ObjCInterfaceDecl>(Method->getDeclContext()))
5199 if (ObjCImplementationDecl *ClassImpl = Class->getImplementation())
5200 if (ObjCMethodDecl *Def = ClassImpl->getMethod(Method->getSelector(),
5201 Method->isInstanceMethod()))
5202 if (Def->isThisDeclarationADefinition())
5203 return MakeCXCursor(Def, TU);
5205 return clang_getNullCursor();
5208 case Decl::ObjCCategory:
5209 if (ObjCCategoryImplDecl *Impl
5210 = cast<ObjCCategoryDecl>(D)->getImplementation())
5211 return MakeCXCursor(Impl, TU);
5212 return clang_getNullCursor();
5214 case Decl::ObjCProtocol:
5215 if (const ObjCProtocolDecl *Def = cast<ObjCProtocolDecl>(D)->getDefinition())
5216 return MakeCXCursor(Def, TU);
5217 return clang_getNullCursor();
5219 case Decl::ObjCInterface: {
5220 // There are two notions of a "definition" for an Objective-C
5221 // class: the interface and its implementation. When we resolved a
5222 // reference to an Objective-C class, produce the @interface as
5223 // the definition; when we were provided with the interface,
5224 // produce the @implementation as the definition.
5225 const ObjCInterfaceDecl *IFace = cast<ObjCInterfaceDecl>(D);
5227 if (const ObjCInterfaceDecl *Def = IFace->getDefinition())
5228 return MakeCXCursor(Def, TU);
5229 } else if (ObjCImplementationDecl *Impl = IFace->getImplementation())
5230 return MakeCXCursor(Impl, TU);
5231 return clang_getNullCursor();
5234 case Decl::ObjCProperty:
5235 // FIXME: We don't really know where to find the
5236 // ObjCPropertyImplDecls that implement this property.
5237 return clang_getNullCursor();
5239 case Decl::ObjCCompatibleAlias:
5240 if (const ObjCInterfaceDecl *Class
5241 = cast<ObjCCompatibleAliasDecl>(D)->getClassInterface())
5242 if (const ObjCInterfaceDecl *Def = Class->getDefinition())
5243 return MakeCXCursor(Def, TU);
5245 return clang_getNullCursor();
5248 if (NamedDecl *Friend = cast<FriendDecl>(D)->getFriendDecl())
5249 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5250 return clang_getNullCursor();
5252 case Decl::FriendTemplate:
5253 if (NamedDecl *Friend = cast<FriendTemplateDecl>(D)->getFriendDecl())
5254 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
5255 return clang_getNullCursor();
5258 return clang_getNullCursor();
5261 unsigned clang_isCursorDefinition(CXCursor C) {
5262 if (!clang_isDeclaration(C.kind))
5265 return clang_getCursorDefinition(C) == C;
5268 CXCursor clang_getCanonicalCursor(CXCursor C) {
5269 if (!clang_isDeclaration(C.kind))
5272 if (const Decl *D = getCursorDecl(C)) {
5273 if (const ObjCCategoryImplDecl *CatImplD = dyn_cast<ObjCCategoryImplDecl>(D))
5274 if (ObjCCategoryDecl *CatD = CatImplD->getCategoryDecl())
5275 return MakeCXCursor(CatD, getCursorTU(C));
5277 if (const ObjCImplDecl *ImplD = dyn_cast<ObjCImplDecl>(D))
5278 if (const ObjCInterfaceDecl *IFD = ImplD->getClassInterface())
5279 return MakeCXCursor(IFD, getCursorTU(C));
5281 return MakeCXCursor(D->getCanonicalDecl(), getCursorTU(C));
5287 int clang_Cursor_getObjCSelectorIndex(CXCursor cursor) {
5288 return cxcursor::getSelectorIdentifierIndexAndLoc(cursor).first;
5291 unsigned clang_getNumOverloadedDecls(CXCursor C) {
5292 if (C.kind != CXCursor_OverloadedDeclRef)
5295 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
5296 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5297 return E->getNumDecls();
5299 if (OverloadedTemplateStorage *S
5300 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5303 const Decl *D = Storage.get<const Decl *>();
5304 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D))
5305 return Using->shadow_size();
5310 CXCursor clang_getOverloadedDecl(CXCursor cursor, unsigned index) {
5311 if (cursor.kind != CXCursor_OverloadedDeclRef)
5312 return clang_getNullCursor();
5314 if (index >= clang_getNumOverloadedDecls(cursor))
5315 return clang_getNullCursor();
5317 CXTranslationUnit TU = getCursorTU(cursor);
5318 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(cursor).first;
5319 if (const OverloadExpr *E = Storage.dyn_cast<const OverloadExpr *>())
5320 return MakeCXCursor(E->decls_begin()[index], TU);
5322 if (OverloadedTemplateStorage *S
5323 = Storage.dyn_cast<OverloadedTemplateStorage*>())
5324 return MakeCXCursor(S->begin()[index], TU);
5326 const Decl *D = Storage.get<const Decl *>();
5327 if (const UsingDecl *Using = dyn_cast<UsingDecl>(D)) {
5328 // FIXME: This is, unfortunately, linear time.
5329 UsingDecl::shadow_iterator Pos = Using->shadow_begin();
5330 std::advance(Pos, index);
5331 return MakeCXCursor(cast<UsingShadowDecl>(*Pos)->getTargetDecl(), TU);
5334 return clang_getNullCursor();
5337 void clang_getDefinitionSpellingAndExtent(CXCursor C,
5338 const char **startBuf,
5339 const char **endBuf,
5340 unsigned *startLine,
5341 unsigned *startColumn,
5343 unsigned *endColumn) {
5344 assert(getCursorDecl(C) && "CXCursor has null decl");
5345 const FunctionDecl *FD = dyn_cast<FunctionDecl>(getCursorDecl(C));
5346 CompoundStmt *Body = dyn_cast<CompoundStmt>(FD->getBody());
5348 SourceManager &SM = FD->getASTContext().getSourceManager();
5349 *startBuf = SM.getCharacterData(Body->getLBracLoc());
5350 *endBuf = SM.getCharacterData(Body->getRBracLoc());
5351 *startLine = SM.getSpellingLineNumber(Body->getLBracLoc());
5352 *startColumn = SM.getSpellingColumnNumber(Body->getLBracLoc());
5353 *endLine = SM.getSpellingLineNumber(Body->getRBracLoc());
5354 *endColumn = SM.getSpellingColumnNumber(Body->getRBracLoc());
5358 CXSourceRange clang_getCursorReferenceNameRange(CXCursor C, unsigned NameFlags,
5359 unsigned PieceIndex) {
5360 RefNamePieces Pieces;
5363 case CXCursor_MemberRefExpr:
5364 if (const MemberExpr *E = dyn_cast<MemberExpr>(getCursorExpr(C)))
5365 Pieces = buildPieces(NameFlags, true, E->getMemberNameInfo(),
5366 E->getQualifierLoc().getSourceRange());
5369 case CXCursor_DeclRefExpr:
5370 if (const DeclRefExpr *E = dyn_cast<DeclRefExpr>(getCursorExpr(C)))
5371 Pieces = buildPieces(NameFlags, false, E->getNameInfo(),
5372 E->getQualifierLoc().getSourceRange(),
5373 E->getOptionalExplicitTemplateArgs());
5376 case CXCursor_CallExpr:
5377 if (const CXXOperatorCallExpr *OCE =
5378 dyn_cast<CXXOperatorCallExpr>(getCursorExpr(C))) {
5379 const Expr *Callee = OCE->getCallee();
5380 if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Callee))
5381 Callee = ICE->getSubExpr();
5383 if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Callee))
5384 Pieces = buildPieces(NameFlags, false, DRE->getNameInfo(),
5385 DRE->getQualifierLoc().getSourceRange());
5393 if (Pieces.empty()) {
5394 if (PieceIndex == 0)
5395 return clang_getCursorExtent(C);
5396 } else if (PieceIndex < Pieces.size()) {
5397 SourceRange R = Pieces[PieceIndex];
5399 return cxloc::translateSourceRange(getCursorContext(C), R);
5402 return clang_getNullRange();
5405 void clang_enableStackTraces(void) {
5406 llvm::sys::PrintStackTraceOnErrorSignal();
5409 void clang_executeOnThread(void (*fn)(void*), void *user_data,
5410 unsigned stack_size) {
5411 llvm::llvm_execute_on_thread(fn, user_data, stack_size);
5414 } // end: extern "C"
5416 //===----------------------------------------------------------------------===//
5417 // Token-based Operations.
5418 //===----------------------------------------------------------------------===//
5421 * int_data[0]: a CXTokenKind
5422 * int_data[1]: starting token location
5423 * int_data[2]: token length
5424 * int_data[3]: reserved
5425 * ptr_data: for identifiers and keywords, an IdentifierInfo*.
5430 CXTokenKind clang_getTokenKind(CXToken CXTok) {
5431 return static_cast<CXTokenKind>(CXTok.int_data[0]);
5434 CXString clang_getTokenSpelling(CXTranslationUnit TU, CXToken CXTok) {
5435 switch (clang_getTokenKind(CXTok)) {
5436 case CXToken_Identifier:
5437 case CXToken_Keyword:
5438 // We know we have an IdentifierInfo*, so use that.
5439 return cxstring::createRef(static_cast<IdentifierInfo *>(CXTok.ptr_data)
5442 case CXToken_Literal: {
5443 // We have stashed the starting pointer in the ptr_data field. Use it.
5444 const char *Text = static_cast<const char *>(CXTok.ptr_data);
5445 return cxstring::createDup(StringRef(Text, CXTok.int_data[2]));
5448 case CXToken_Punctuation:
5449 case CXToken_Comment:
5453 if (isNotUsableTU(TU)) {
5455 return cxstring::createEmpty();
5458 // We have to find the starting buffer pointer the hard way, by
5459 // deconstructing the source location.
5460 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5462 return cxstring::createEmpty();
5464 SourceLocation Loc = SourceLocation::getFromRawEncoding(CXTok.int_data[1]);
5465 std::pair<FileID, unsigned> LocInfo
5466 = CXXUnit->getSourceManager().getDecomposedSpellingLoc(Loc);
5467 bool Invalid = false;
5469 = CXXUnit->getSourceManager().getBufferData(LocInfo.first, &Invalid);
5471 return cxstring::createEmpty();
5473 return cxstring::createDup(Buffer.substr(LocInfo.second, CXTok.int_data[2]));
5476 CXSourceLocation clang_getTokenLocation(CXTranslationUnit TU, CXToken CXTok) {
5477 if (isNotUsableTU(TU)) {
5479 return clang_getNullLocation();
5482 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5484 return clang_getNullLocation();
5486 return cxloc::translateSourceLocation(CXXUnit->getASTContext(),
5487 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5490 CXSourceRange clang_getTokenExtent(CXTranslationUnit TU, CXToken CXTok) {
5491 if (isNotUsableTU(TU)) {
5493 return clang_getNullRange();
5496 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5498 return clang_getNullRange();
5500 return cxloc::translateSourceRange(CXXUnit->getASTContext(),
5501 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
5504 static void getTokens(ASTUnit *CXXUnit, SourceRange Range,
5505 SmallVectorImpl<CXToken> &CXTokens) {
5506 SourceManager &SourceMgr = CXXUnit->getSourceManager();
5507 std::pair<FileID, unsigned> BeginLocInfo
5508 = SourceMgr.getDecomposedSpellingLoc(Range.getBegin());
5509 std::pair<FileID, unsigned> EndLocInfo
5510 = SourceMgr.getDecomposedSpellingLoc(Range.getEnd());
5512 // Cannot tokenize across files.
5513 if (BeginLocInfo.first != EndLocInfo.first)
5517 bool Invalid = false;
5519 = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
5523 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
5524 CXXUnit->getASTContext().getLangOpts(),
5525 Buffer.begin(), Buffer.data() + BeginLocInfo.second, Buffer.end());
5526 Lex.SetCommentRetentionState(true);
5528 // Lex tokens until we hit the end of the range.
5529 const char *EffectiveBufferEnd = Buffer.data() + EndLocInfo.second;
5531 bool previousWasAt = false;
5533 // Lex the next token
5534 Lex.LexFromRawLexer(Tok);
5535 if (Tok.is(tok::eof))
5538 // Initialize the CXToken.
5542 CXTok.int_data[1] = Tok.getLocation().getRawEncoding();
5543 CXTok.int_data[2] = Tok.getLength();
5544 CXTok.int_data[3] = 0;
5546 // - Kind-specific fields
5547 if (Tok.isLiteral()) {
5548 CXTok.int_data[0] = CXToken_Literal;
5549 CXTok.ptr_data = const_cast<char *>(Tok.getLiteralData());
5550 } else if (Tok.is(tok::raw_identifier)) {
5551 // Lookup the identifier to determine whether we have a keyword.
5553 = CXXUnit->getPreprocessor().LookUpIdentifierInfo(Tok);
5555 if ((II->getObjCKeywordID() != tok::objc_not_keyword) && previousWasAt) {
5556 CXTok.int_data[0] = CXToken_Keyword;
5559 CXTok.int_data[0] = Tok.is(tok::identifier)
5560 ? CXToken_Identifier
5563 CXTok.ptr_data = II;
5564 } else if (Tok.is(tok::comment)) {
5565 CXTok.int_data[0] = CXToken_Comment;
5566 CXTok.ptr_data = nullptr;
5568 CXTok.int_data[0] = CXToken_Punctuation;
5569 CXTok.ptr_data = nullptr;
5571 CXTokens.push_back(CXTok);
5572 previousWasAt = Tok.is(tok::at);
5573 } while (Lex.getBufferLocation() <= EffectiveBufferEnd);
5576 void clang_tokenize(CXTranslationUnit TU, CXSourceRange Range,
5577 CXToken **Tokens, unsigned *NumTokens) {
5579 *Log << TU << ' ' << Range;
5587 if (isNotUsableTU(TU)) {
5592 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
5593 if (!CXXUnit || !Tokens || !NumTokens)
5596 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
5598 SourceRange R = cxloc::translateCXSourceRange(Range);
5602 SmallVector<CXToken, 32> CXTokens;
5603 getTokens(CXXUnit, R, CXTokens);
5605 if (CXTokens.empty())
5608 *Tokens = (CXToken *)malloc(sizeof(CXToken) * CXTokens.size());
5609 memmove(*Tokens, CXTokens.data(), sizeof(CXToken) * CXTokens.size());
5610 *NumTokens = CXTokens.size();
5613 void clang_disposeTokens(CXTranslationUnit TU,
5614 CXToken *Tokens, unsigned NumTokens) {
5618 } // end: extern "C"
5620 //===----------------------------------------------------------------------===//
5621 // Token annotation APIs.
5622 //===----------------------------------------------------------------------===//
5624 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
5626 CXClientData client_data);
5627 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
5628 CXClientData client_data);
5631 class AnnotateTokensWorker {
5636 unsigned PreprocessingTokIdx;
5637 CursorVisitor AnnotateVis;
5638 SourceManager &SrcMgr;
5639 bool HasContextSensitiveKeywords;
5641 struct PostChildrenInfo {
5643 SourceRange CursorRange;
5644 unsigned BeforeReachingCursorIdx;
5645 unsigned BeforeChildrenTokenIdx;
5647 SmallVector<PostChildrenInfo, 8> PostChildrenInfos;
5649 CXToken &getTok(unsigned Idx) {
5650 assert(Idx < NumTokens);
5653 const CXToken &getTok(unsigned Idx) const {
5654 assert(Idx < NumTokens);
5657 bool MoreTokens() const { return TokIdx < NumTokens; }
5658 unsigned NextToken() const { return TokIdx; }
5659 void AdvanceToken() { ++TokIdx; }
5660 SourceLocation GetTokenLoc(unsigned tokI) {
5661 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
5663 bool isFunctionMacroToken(unsigned tokI) const {
5664 return getTok(tokI).int_data[3] != 0;
5666 SourceLocation getFunctionMacroTokenLoc(unsigned tokI) const {
5667 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[3]);
5670 void annotateAndAdvanceTokens(CXCursor, RangeComparisonResult, SourceRange);
5671 bool annotateAndAdvanceFunctionMacroTokens(CXCursor, RangeComparisonResult,
5675 AnnotateTokensWorker(CXToken *tokens, CXCursor *cursors, unsigned numTokens,
5676 CXTranslationUnit TU, SourceRange RegionOfInterest)
5677 : Tokens(tokens), Cursors(cursors),
5678 NumTokens(numTokens), TokIdx(0), PreprocessingTokIdx(0),
5680 AnnotateTokensVisitor, this,
5681 /*VisitPreprocessorLast=*/true,
5682 /*VisitIncludedEntities=*/false,
5684 /*VisitDeclsOnly=*/false,
5685 AnnotateTokensPostChildrenVisitor),
5686 SrcMgr(cxtu::getASTUnit(TU)->getSourceManager()),
5687 HasContextSensitiveKeywords(false) { }
5689 void VisitChildren(CXCursor C) { AnnotateVis.VisitChildren(C); }
5690 enum CXChildVisitResult Visit(CXCursor cursor, CXCursor parent);
5691 bool postVisitChildren(CXCursor cursor);
5692 void AnnotateTokens();
5694 /// \brief Determine whether the annotator saw any cursors that have
5695 /// context-sensitive keywords.
5696 bool hasContextSensitiveKeywords() const {
5697 return HasContextSensitiveKeywords;
5700 ~AnnotateTokensWorker() {
5701 assert(PostChildrenInfos.empty());
5706 void AnnotateTokensWorker::AnnotateTokens() {
5707 // Walk the AST within the region of interest, annotating tokens
5709 AnnotateVis.visitFileRegion();
5712 static inline void updateCursorAnnotation(CXCursor &Cursor,
5713 const CXCursor &updateC) {
5714 if (clang_isInvalid(updateC.kind) || !clang_isInvalid(Cursor.kind))
5719 /// \brief It annotates and advances tokens with a cursor until the comparison
5720 //// between the cursor location and the source range is the same as
5721 /// \arg compResult.
5723 /// Pass RangeBefore to annotate tokens with a cursor until a range is reached.
5724 /// Pass RangeOverlap to annotate tokens inside a range.
5725 void AnnotateTokensWorker::annotateAndAdvanceTokens(CXCursor updateC,
5726 RangeComparisonResult compResult,
5727 SourceRange range) {
5728 while (MoreTokens()) {
5729 const unsigned I = NextToken();
5730 if (isFunctionMacroToken(I))
5731 if (!annotateAndAdvanceFunctionMacroTokens(updateC, compResult, range))
5734 SourceLocation TokLoc = GetTokenLoc(I);
5735 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
5736 updateCursorAnnotation(Cursors[I], updateC);
5744 /// \brief Special annotation handling for macro argument tokens.
5745 /// \returns true if it advanced beyond all macro tokens, false otherwise.
5746 bool AnnotateTokensWorker::annotateAndAdvanceFunctionMacroTokens(
5748 RangeComparisonResult compResult,
5749 SourceRange range) {
5750 assert(MoreTokens());
5751 assert(isFunctionMacroToken(NextToken()) &&
5752 "Should be called only for macro arg tokens");
5754 // This works differently than annotateAndAdvanceTokens; because expanded
5755 // macro arguments can have arbitrary translation-unit source order, we do not
5756 // advance the token index one by one until a token fails the range test.
5757 // We only advance once past all of the macro arg tokens if all of them
5758 // pass the range test. If one of them fails we keep the token index pointing
5759 // at the start of the macro arg tokens so that the failing token will be
5760 // annotated by a subsequent annotation try.
5762 bool atLeastOneCompFail = false;
5764 unsigned I = NextToken();
5765 for (; I < NumTokens && isFunctionMacroToken(I); ++I) {
5766 SourceLocation TokLoc = getFunctionMacroTokenLoc(I);
5767 if (TokLoc.isFileID())
5768 continue; // not macro arg token, it's parens or comma.
5769 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
5770 if (clang_isInvalid(clang_getCursorKind(Cursors[I])))
5771 Cursors[I] = updateC;
5773 atLeastOneCompFail = true;
5776 if (atLeastOneCompFail)
5779 TokIdx = I; // All of the tokens were handled, advance beyond all of them.
5783 enum CXChildVisitResult
5784 AnnotateTokensWorker::Visit(CXCursor cursor, CXCursor parent) {
5785 SourceRange cursorRange = getRawCursorExtent(cursor);
5786 if (cursorRange.isInvalid())
5787 return CXChildVisit_Recurse;
5789 if (!HasContextSensitiveKeywords) {
5790 // Objective-C properties can have context-sensitive keywords.
5791 if (cursor.kind == CXCursor_ObjCPropertyDecl) {
5792 if (const ObjCPropertyDecl *Property
5793 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(cursor)))
5794 HasContextSensitiveKeywords = Property->getPropertyAttributesAsWritten() != 0;
5796 // Objective-C methods can have context-sensitive keywords.
5797 else if (cursor.kind == CXCursor_ObjCInstanceMethodDecl ||
5798 cursor.kind == CXCursor_ObjCClassMethodDecl) {
5799 if (const ObjCMethodDecl *Method
5800 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
5801 if (Method->getObjCDeclQualifier())
5802 HasContextSensitiveKeywords = true;
5804 for (const auto *P : Method->params()) {
5805 if (P->getObjCDeclQualifier()) {
5806 HasContextSensitiveKeywords = true;
5813 // C++ methods can have context-sensitive keywords.
5814 else if (cursor.kind == CXCursor_CXXMethod) {
5815 if (const CXXMethodDecl *Method
5816 = dyn_cast_or_null<CXXMethodDecl>(getCursorDecl(cursor))) {
5817 if (Method->hasAttr<FinalAttr>() || Method->hasAttr<OverrideAttr>())
5818 HasContextSensitiveKeywords = true;
5821 // C++ classes can have context-sensitive keywords.
5822 else if (cursor.kind == CXCursor_StructDecl ||
5823 cursor.kind == CXCursor_ClassDecl ||
5824 cursor.kind == CXCursor_ClassTemplate ||
5825 cursor.kind == CXCursor_ClassTemplatePartialSpecialization) {
5826 if (const Decl *D = getCursorDecl(cursor))
5827 if (D->hasAttr<FinalAttr>())
5828 HasContextSensitiveKeywords = true;
5832 // Don't override a property annotation with its getter/setter method.
5833 if (cursor.kind == CXCursor_ObjCInstanceMethodDecl &&
5834 parent.kind == CXCursor_ObjCPropertyDecl)
5835 return CXChildVisit_Continue;
5837 if (clang_isPreprocessing(cursor.kind)) {
5838 // Items in the preprocessing record are kept separate from items in
5839 // declarations, so we keep a separate token index.
5840 unsigned SavedTokIdx = TokIdx;
5841 TokIdx = PreprocessingTokIdx;
5843 // Skip tokens up until we catch up to the beginning of the preprocessing
5845 while (MoreTokens()) {
5846 const unsigned I = NextToken();
5847 SourceLocation TokLoc = GetTokenLoc(I);
5848 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
5859 // Look at all of the tokens within this range.
5860 while (MoreTokens()) {
5861 const unsigned I = NextToken();
5862 SourceLocation TokLoc = GetTokenLoc(I);
5863 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
5865 llvm_unreachable("Infeasible");
5869 // For macro expansions, just note where the beginning of the macro
5870 // expansion occurs.
5871 if (cursor.kind == CXCursor_MacroExpansion) {
5872 if (TokLoc == cursorRange.getBegin())
5873 Cursors[I] = cursor;
5877 // We may have already annotated macro names inside macro definitions.
5878 if (Cursors[I].kind != CXCursor_MacroExpansion)
5879 Cursors[I] = cursor;
5886 // Save the preprocessing token index; restore the non-preprocessing
5888 PreprocessingTokIdx = TokIdx;
5889 TokIdx = SavedTokIdx;
5890 return CXChildVisit_Recurse;
5893 if (cursorRange.isInvalid())
5894 return CXChildVisit_Continue;
5896 unsigned BeforeReachingCursorIdx = NextToken();
5897 const enum CXCursorKind cursorK = clang_getCursorKind(cursor);
5898 const enum CXCursorKind K = clang_getCursorKind(parent);
5899 const CXCursor updateC =
5900 (clang_isInvalid(K) || K == CXCursor_TranslationUnit ||
5901 // Attributes are annotated out-of-order, skip tokens until we reach it.
5902 clang_isAttribute(cursor.kind))
5903 ? clang_getNullCursor() : parent;
5905 annotateAndAdvanceTokens(updateC, RangeBefore, cursorRange);
5907 // Avoid having the cursor of an expression "overwrite" the annotation of the
5908 // variable declaration that it belongs to.
5909 // This can happen for C++ constructor expressions whose range generally
5910 // include the variable declaration, e.g.:
5911 // MyCXXClass foo; // Make sure we don't annotate 'foo' as a CallExpr cursor.
5912 if (clang_isExpression(cursorK) && MoreTokens()) {
5913 const Expr *E = getCursorExpr(cursor);
5914 if (const Decl *D = getCursorParentDecl(cursor)) {
5915 const unsigned I = NextToken();
5916 if (E->getLocStart().isValid() && D->getLocation().isValid() &&
5917 E->getLocStart() == D->getLocation() &&
5918 E->getLocStart() == GetTokenLoc(I)) {
5919 updateCursorAnnotation(Cursors[I], updateC);
5925 // Before recursing into the children keep some state that we are going
5926 // to use in the AnnotateTokensWorker::postVisitChildren callback to do some
5927 // extra work after the child nodes are visited.
5928 // Note that we don't call VisitChildren here to avoid traversing statements
5929 // code-recursively which can blow the stack.
5931 PostChildrenInfo Info;
5932 Info.Cursor = cursor;
5933 Info.CursorRange = cursorRange;
5934 Info.BeforeReachingCursorIdx = BeforeReachingCursorIdx;
5935 Info.BeforeChildrenTokenIdx = NextToken();
5936 PostChildrenInfos.push_back(Info);
5938 return CXChildVisit_Recurse;
5941 bool AnnotateTokensWorker::postVisitChildren(CXCursor cursor) {
5942 if (PostChildrenInfos.empty())
5944 const PostChildrenInfo &Info = PostChildrenInfos.back();
5945 if (!clang_equalCursors(Info.Cursor, cursor))
5948 const unsigned BeforeChildren = Info.BeforeChildrenTokenIdx;
5949 const unsigned AfterChildren = NextToken();
5950 SourceRange cursorRange = Info.CursorRange;
5952 // Scan the tokens that are at the end of the cursor, but are not captured
5953 // but the child cursors.
5954 annotateAndAdvanceTokens(cursor, RangeOverlap, cursorRange);
5956 // Scan the tokens that are at the beginning of the cursor, but are not
5957 // capture by the child cursors.
5958 for (unsigned I = BeforeChildren; I != AfterChildren; ++I) {
5959 if (!clang_isInvalid(clang_getCursorKind(Cursors[I])))
5962 Cursors[I] = cursor;
5965 // Attributes are annotated out-of-order, rewind TokIdx to when we first
5966 // encountered the attribute cursor.
5967 if (clang_isAttribute(cursor.kind))
5968 TokIdx = Info.BeforeReachingCursorIdx;
5970 PostChildrenInfos.pop_back();
5974 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
5976 CXClientData client_data) {
5977 return static_cast<AnnotateTokensWorker*>(client_data)->Visit(cursor, parent);
5980 static bool AnnotateTokensPostChildrenVisitor(CXCursor cursor,
5981 CXClientData client_data) {
5982 return static_cast<AnnotateTokensWorker*>(client_data)->
5983 postVisitChildren(cursor);
5988 /// \brief Uses the macro expansions in the preprocessing record to find
5989 /// and mark tokens that are macro arguments. This info is used by the
5990 /// AnnotateTokensWorker.
5991 class MarkMacroArgTokensVisitor {
5998 MarkMacroArgTokensVisitor(SourceManager &SM,
5999 CXToken *tokens, unsigned numTokens)
6000 : SM(SM), Tokens(tokens), NumTokens(numTokens), CurIdx(0) { }
6002 CXChildVisitResult visit(CXCursor cursor, CXCursor parent) {
6003 if (cursor.kind != CXCursor_MacroExpansion)
6004 return CXChildVisit_Continue;
6006 SourceRange macroRange = getCursorMacroExpansion(cursor).getSourceRange();
6007 if (macroRange.getBegin() == macroRange.getEnd())
6008 return CXChildVisit_Continue; // it's not a function macro.
6010 for (; CurIdx < NumTokens; ++CurIdx) {
6011 if (!SM.isBeforeInTranslationUnit(getTokenLoc(CurIdx),
6012 macroRange.getBegin()))
6016 if (CurIdx == NumTokens)
6017 return CXChildVisit_Break;
6019 for (; CurIdx < NumTokens; ++CurIdx) {
6020 SourceLocation tokLoc = getTokenLoc(CurIdx);
6021 if (!SM.isBeforeInTranslationUnit(tokLoc, macroRange.getEnd()))
6024 setFunctionMacroTokenLoc(CurIdx, SM.getMacroArgExpandedLocation(tokLoc));
6027 if (CurIdx == NumTokens)
6028 return CXChildVisit_Break;
6030 return CXChildVisit_Continue;
6034 CXToken &getTok(unsigned Idx) {
6035 assert(Idx < NumTokens);
6038 const CXToken &getTok(unsigned Idx) const {
6039 assert(Idx < NumTokens);
6043 SourceLocation getTokenLoc(unsigned tokI) {
6044 return SourceLocation::getFromRawEncoding(getTok(tokI).int_data[1]);
6047 void setFunctionMacroTokenLoc(unsigned tokI, SourceLocation loc) {
6048 // The third field is reserved and currently not used. Use it here
6049 // to mark macro arg expanded tokens with their expanded locations.
6050 getTok(tokI).int_data[3] = loc.getRawEncoding();
6054 } // end anonymous namespace
6056 static CXChildVisitResult
6057 MarkMacroArgTokensVisitorDelegate(CXCursor cursor, CXCursor parent,
6058 CXClientData client_data) {
6059 return static_cast<MarkMacroArgTokensVisitor*>(client_data)->visit(cursor,
6063 /// \brief Used by \c annotatePreprocessorTokens.
6064 /// \returns true if lexing was finished, false otherwise.
6065 static bool lexNext(Lexer &Lex, Token &Tok,
6066 unsigned &NextIdx, unsigned NumTokens) {
6067 if (NextIdx >= NumTokens)
6071 Lex.LexFromRawLexer(Tok);
6072 if (Tok.is(tok::eof))
6078 static void annotatePreprocessorTokens(CXTranslationUnit TU,
6079 SourceRange RegionOfInterest,
6082 unsigned NumTokens) {
6083 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6085 Preprocessor &PP = CXXUnit->getPreprocessor();
6086 SourceManager &SourceMgr = CXXUnit->getSourceManager();
6087 std::pair<FileID, unsigned> BeginLocInfo
6088 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getBegin());
6089 std::pair<FileID, unsigned> EndLocInfo
6090 = SourceMgr.getDecomposedSpellingLoc(RegionOfInterest.getEnd());
6092 if (BeginLocInfo.first != EndLocInfo.first)
6096 bool Invalid = false;
6097 Buffer = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
6098 if (Buffer.empty() || Invalid)
6101 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
6102 CXXUnit->getASTContext().getLangOpts(),
6103 Buffer.begin(), Buffer.data() + BeginLocInfo.second,
6105 Lex.SetCommentRetentionState(true);
6107 unsigned NextIdx = 0;
6108 // Lex tokens in raw mode until we hit the end of the range, to avoid
6109 // entering #includes or expanding macros.
6112 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6114 unsigned TokIdx = NextIdx-1;
6115 assert(Tok.getLocation() ==
6116 SourceLocation::getFromRawEncoding(Tokens[TokIdx].int_data[1]));
6119 if (Tok.is(tok::hash) && Tok.isAtStartOfLine()) {
6120 // We have found a preprocessing directive. Annotate the tokens
6123 // FIXME: Some simple tests here could identify macro definitions and
6124 // #undefs, to provide specific cursor kinds for those.
6126 SourceLocation BeginLoc = Tok.getLocation();
6127 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6130 MacroInfo *MI = nullptr;
6131 if (Tok.is(tok::raw_identifier) && Tok.getRawIdentifier() == "define") {
6132 if (lexNext(Lex, Tok, NextIdx, NumTokens))
6135 if (Tok.is(tok::raw_identifier)) {
6136 IdentifierInfo &II =
6137 PP.getIdentifierTable().get(Tok.getRawIdentifier());
6138 SourceLocation MappedTokLoc =
6139 CXXUnit->mapLocationToPreamble(Tok.getLocation());
6140 MI = getMacroInfo(II, MappedTokLoc, TU);
6144 bool finished = false;
6146 if (lexNext(Lex, Tok, NextIdx, NumTokens)) {
6150 // If we are in a macro definition, check if the token was ever a
6151 // macro name and annotate it if that's the case.
6153 SourceLocation SaveLoc = Tok.getLocation();
6154 Tok.setLocation(CXXUnit->mapLocationToPreamble(SaveLoc));
6155 MacroDefinitionRecord *MacroDef =
6156 checkForMacroInMacroDefinition(MI, Tok, TU);
6157 Tok.setLocation(SaveLoc);
6159 Cursors[NextIdx - 1] =
6160 MakeMacroExpansionCursor(MacroDef, Tok.getLocation(), TU);
6162 } while (!Tok.isAtStartOfLine());
6164 unsigned LastIdx = finished ? NextIdx-1 : NextIdx-2;
6165 assert(TokIdx <= LastIdx);
6166 SourceLocation EndLoc =
6167 SourceLocation::getFromRawEncoding(Tokens[LastIdx].int_data[1]);
6169 MakePreprocessingDirectiveCursor(SourceRange(BeginLoc, EndLoc), TU);
6171 for (; TokIdx <= LastIdx; ++TokIdx)
6172 updateCursorAnnotation(Cursors[TokIdx], Cursor);
6181 // This gets run a separate thread to avoid stack blowout.
6182 static void clang_annotateTokensImpl(CXTranslationUnit TU, ASTUnit *CXXUnit,
6183 CXToken *Tokens, unsigned NumTokens,
6184 CXCursor *Cursors) {
6185 CIndexer *CXXIdx = TU->CIdx;
6186 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForEditing))
6187 setThreadBackgroundPriority();
6189 // Determine the region of interest, which contains all of the tokens.
6190 SourceRange RegionOfInterest;
6191 RegionOfInterest.setBegin(
6192 cxloc::translateSourceLocation(clang_getTokenLocation(TU, Tokens[0])));
6193 RegionOfInterest.setEnd(
6194 cxloc::translateSourceLocation(clang_getTokenLocation(TU,
6195 Tokens[NumTokens-1])));
6197 // Relex the tokens within the source range to look for preprocessing
6199 annotatePreprocessorTokens(TU, RegionOfInterest, Cursors, Tokens, NumTokens);
6201 // If begin location points inside a macro argument, set it to the expansion
6202 // location so we can have the full context when annotating semantically.
6204 SourceManager &SM = CXXUnit->getSourceManager();
6205 SourceLocation Loc =
6206 SM.getMacroArgExpandedLocation(RegionOfInterest.getBegin());
6207 if (Loc.isMacroID())
6208 RegionOfInterest.setBegin(SM.getExpansionLoc(Loc));
6211 if (CXXUnit->getPreprocessor().getPreprocessingRecord()) {
6212 // Search and mark tokens that are macro argument expansions.
6213 MarkMacroArgTokensVisitor Visitor(CXXUnit->getSourceManager(),
6215 CursorVisitor MacroArgMarker(TU,
6216 MarkMacroArgTokensVisitorDelegate, &Visitor,
6217 /*VisitPreprocessorLast=*/true,
6218 /*VisitIncludedEntities=*/false,
6220 MacroArgMarker.visitPreprocessedEntitiesInRegion();
6223 // Annotate all of the source locations in the region of interest that map to
6224 // a specific cursor.
6225 AnnotateTokensWorker W(Tokens, Cursors, NumTokens, TU, RegionOfInterest);
6227 // FIXME: We use a ridiculous stack size here because the data-recursion
6228 // algorithm uses a large stack frame than the non-data recursive version,
6229 // and AnnotationTokensWorker currently transforms the data-recursion
6230 // algorithm back into a traditional recursion by explicitly calling
6231 // VisitChildren(). We will need to remove this explicit recursive call.
6234 // If we ran into any entities that involve context-sensitive keywords,
6235 // take another pass through the tokens to mark them as such.
6236 if (W.hasContextSensitiveKeywords()) {
6237 for (unsigned I = 0; I != NumTokens; ++I) {
6238 if (clang_getTokenKind(Tokens[I]) != CXToken_Identifier)
6241 if (Cursors[I].kind == CXCursor_ObjCPropertyDecl) {
6242 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6243 if (const ObjCPropertyDecl *Property
6244 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(Cursors[I]))) {
6245 if (Property->getPropertyAttributesAsWritten() != 0 &&
6246 llvm::StringSwitch<bool>(II->getName())
6247 .Case("readonly", true)
6248 .Case("assign", true)
6249 .Case("unsafe_unretained", true)
6250 .Case("readwrite", true)
6251 .Case("retain", true)
6253 .Case("nonatomic", true)
6254 .Case("atomic", true)
6255 .Case("getter", true)
6256 .Case("setter", true)
6257 .Case("strong", true)
6260 Tokens[I].int_data[0] = CXToken_Keyword;
6265 if (Cursors[I].kind == CXCursor_ObjCInstanceMethodDecl ||
6266 Cursors[I].kind == CXCursor_ObjCClassMethodDecl) {
6267 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
6268 if (llvm::StringSwitch<bool>(II->getName())
6271 .Case("inout", true)
6272 .Case("oneway", true)
6273 .Case("bycopy", true)
6274 .Case("byref", true)
6276 Tokens[I].int_data[0] = CXToken_Keyword;
6280 if (Cursors[I].kind == CXCursor_CXXFinalAttr ||
6281 Cursors[I].kind == CXCursor_CXXOverrideAttr) {
6282 Tokens[I].int_data[0] = CXToken_Keyword;
6291 void clang_annotateTokens(CXTranslationUnit TU,
6292 CXToken *Tokens, unsigned NumTokens,
6293 CXCursor *Cursors) {
6294 if (isNotUsableTU(TU)) {
6298 if (NumTokens == 0 || !Tokens || !Cursors) {
6299 LOG_FUNC_SECTION { *Log << "<null input>"; }
6305 CXSourceLocation bloc = clang_getTokenLocation(TU, Tokens[0]);
6306 CXSourceLocation eloc = clang_getTokenLocation(TU, Tokens[NumTokens-1]);
6307 *Log << clang_getRange(bloc, eloc);
6310 // Any token we don't specifically annotate will have a NULL cursor.
6311 CXCursor C = clang_getNullCursor();
6312 for (unsigned I = 0; I != NumTokens; ++I)
6315 ASTUnit *CXXUnit = cxtu::getASTUnit(TU);
6319 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
6321 auto AnnotateTokensImpl = [=]() {
6322 clang_annotateTokensImpl(TU, CXXUnit, Tokens, NumTokens, Cursors);
6324 llvm::CrashRecoveryContext CRC;
6325 if (!RunSafely(CRC, AnnotateTokensImpl, GetSafetyThreadStackSize() * 2)) {
6326 fprintf(stderr, "libclang: crash detected while annotating tokens\n");
6330 } // end: extern "C"
6332 //===----------------------------------------------------------------------===//
6333 // Operations for querying linkage of a cursor.
6334 //===----------------------------------------------------------------------===//
6337 CXLinkageKind clang_getCursorLinkage(CXCursor cursor) {
6338 if (!clang_isDeclaration(cursor.kind))
6339 return CXLinkage_Invalid;
6341 const Decl *D = cxcursor::getCursorDecl(cursor);
6342 if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
6343 switch (ND->getLinkageInternal()) {
6345 case VisibleNoLinkage: return CXLinkage_NoLinkage;
6346 case InternalLinkage: return CXLinkage_Internal;
6347 case UniqueExternalLinkage: return CXLinkage_UniqueExternal;
6348 case ExternalLinkage: return CXLinkage_External;
6351 return CXLinkage_Invalid;
6353 } // end: extern "C"
6355 //===----------------------------------------------------------------------===//
6356 // Operations for querying language of a cursor.
6357 //===----------------------------------------------------------------------===//
6359 static CXLanguageKind getDeclLanguage(const Decl *D) {
6361 return CXLanguage_C;
6363 switch (D->getKind()) {
6366 case Decl::ImplicitParam:
6367 case Decl::ObjCAtDefsField:
6368 case Decl::ObjCCategory:
6369 case Decl::ObjCCategoryImpl:
6370 case Decl::ObjCCompatibleAlias:
6371 case Decl::ObjCImplementation:
6372 case Decl::ObjCInterface:
6373 case Decl::ObjCIvar:
6374 case Decl::ObjCMethod:
6375 case Decl::ObjCProperty:
6376 case Decl::ObjCPropertyImpl:
6377 case Decl::ObjCProtocol:
6378 case Decl::ObjCTypeParam:
6379 return CXLanguage_ObjC;
6380 case Decl::CXXConstructor:
6381 case Decl::CXXConversion:
6382 case Decl::CXXDestructor:
6383 case Decl::CXXMethod:
6384 case Decl::CXXRecord:
6385 case Decl::ClassTemplate:
6386 case Decl::ClassTemplatePartialSpecialization:
6387 case Decl::ClassTemplateSpecialization:
6389 case Decl::FriendTemplate:
6390 case Decl::FunctionTemplate:
6391 case Decl::LinkageSpec:
6392 case Decl::Namespace:
6393 case Decl::NamespaceAlias:
6394 case Decl::NonTypeTemplateParm:
6395 case Decl::StaticAssert:
6396 case Decl::TemplateTemplateParm:
6397 case Decl::TemplateTypeParm:
6398 case Decl::UnresolvedUsingTypename:
6399 case Decl::UnresolvedUsingValue:
6401 case Decl::UsingDirective:
6402 case Decl::UsingShadow:
6403 return CXLanguage_CPlusPlus;
6406 return CXLanguage_C;
6411 static CXAvailabilityKind getCursorAvailabilityForDecl(const Decl *D) {
6412 if (isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->isDeleted())
6413 return CXAvailability_Available;
6415 switch (D->getAvailability()) {
6417 case AR_NotYetIntroduced:
6418 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6419 return getCursorAvailabilityForDecl(
6420 cast<Decl>(EnumConst->getDeclContext()));
6421 return CXAvailability_Available;
6424 return CXAvailability_Deprecated;
6426 case AR_Unavailable:
6427 return CXAvailability_NotAvailable;
6430 llvm_unreachable("Unknown availability kind!");
6433 enum CXAvailabilityKind clang_getCursorAvailability(CXCursor cursor) {
6434 if (clang_isDeclaration(cursor.kind))
6435 if (const Decl *D = cxcursor::getCursorDecl(cursor))
6436 return getCursorAvailabilityForDecl(D);
6438 return CXAvailability_Available;
6441 static CXVersion convertVersion(VersionTuple In) {
6442 CXVersion Out = { -1, -1, -1 };
6446 Out.Major = In.getMajor();
6448 Optional<unsigned> Minor = In.getMinor();
6449 if (Minor.hasValue())
6454 Optional<unsigned> Subminor = In.getSubminor();
6455 if (Subminor.hasValue())
6456 Out.Subminor = *Subminor;
6461 static int getCursorPlatformAvailabilityForDecl(const Decl *D,
6462 int *always_deprecated,
6463 CXString *deprecated_message,
6464 int *always_unavailable,
6465 CXString *unavailable_message,
6466 CXPlatformAvailability *availability,
6467 int availability_size) {
6468 bool HadAvailAttr = false;
6470 for (auto A : D->attrs()) {
6471 if (DeprecatedAttr *Deprecated = dyn_cast<DeprecatedAttr>(A)) {
6472 HadAvailAttr = true;
6473 if (always_deprecated)
6474 *always_deprecated = 1;
6475 if (deprecated_message) {
6476 clang_disposeString(*deprecated_message);
6477 *deprecated_message = cxstring::createDup(Deprecated->getMessage());
6482 if (UnavailableAttr *Unavailable = dyn_cast<UnavailableAttr>(A)) {
6483 HadAvailAttr = true;
6484 if (always_unavailable)
6485 *always_unavailable = 1;
6486 if (unavailable_message) {
6487 clang_disposeString(*unavailable_message);
6488 *unavailable_message = cxstring::createDup(Unavailable->getMessage());
6493 if (AvailabilityAttr *Avail = dyn_cast<AvailabilityAttr>(A)) {
6494 HadAvailAttr = true;
6495 if (N < availability_size) {
6496 availability[N].Platform
6497 = cxstring::createDup(Avail->getPlatform()->getName());
6498 availability[N].Introduced = convertVersion(Avail->getIntroduced());
6499 availability[N].Deprecated = convertVersion(Avail->getDeprecated());
6500 availability[N].Obsoleted = convertVersion(Avail->getObsoleted());
6501 availability[N].Unavailable = Avail->getUnavailable();
6502 availability[N].Message = cxstring::createDup(Avail->getMessage());
6509 if (const EnumConstantDecl *EnumConst = dyn_cast<EnumConstantDecl>(D))
6510 return getCursorPlatformAvailabilityForDecl(
6511 cast<Decl>(EnumConst->getDeclContext()),
6515 unavailable_message,
6522 int clang_getCursorPlatformAvailability(CXCursor cursor,
6523 int *always_deprecated,
6524 CXString *deprecated_message,
6525 int *always_unavailable,
6526 CXString *unavailable_message,
6527 CXPlatformAvailability *availability,
6528 int availability_size) {
6529 if (always_deprecated)
6530 *always_deprecated = 0;
6531 if (deprecated_message)
6532 *deprecated_message = cxstring::createEmpty();
6533 if (always_unavailable)
6534 *always_unavailable = 0;
6535 if (unavailable_message)
6536 *unavailable_message = cxstring::createEmpty();
6538 if (!clang_isDeclaration(cursor.kind))
6541 const Decl *D = cxcursor::getCursorDecl(cursor);
6545 return getCursorPlatformAvailabilityForDecl(D, always_deprecated,
6548 unavailable_message,
6553 void clang_disposeCXPlatformAvailability(CXPlatformAvailability *availability) {
6554 clang_disposeString(availability->Platform);
6555 clang_disposeString(availability->Message);
6558 CXLanguageKind clang_getCursorLanguage(CXCursor cursor) {
6559 if (clang_isDeclaration(cursor.kind))
6560 return getDeclLanguage(cxcursor::getCursorDecl(cursor));
6562 return CXLanguage_Invalid;
6565 /// \brief If the given cursor is the "templated" declaration
6566 /// descibing a class or function template, return the class or
6567 /// function template.
6568 static const Decl *maybeGetTemplateCursor(const Decl *D) {
6572 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
6573 if (FunctionTemplateDecl *FunTmpl = FD->getDescribedFunctionTemplate())
6576 if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D))
6577 if (ClassTemplateDecl *ClassTmpl = RD->getDescribedClassTemplate())
6584 enum CX_StorageClass clang_Cursor_getStorageClass(CXCursor C) {
6585 StorageClass sc = SC_None;
6586 const Decl *D = getCursorDecl(C);
6588 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
6589 sc = FD->getStorageClass();
6590 } else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
6591 sc = VD->getStorageClass();
6593 return CX_SC_Invalid;
6596 return CX_SC_Invalid;
6602 return CX_SC_Extern;
6604 return CX_SC_Static;
6605 case SC_PrivateExtern:
6606 return CX_SC_PrivateExtern;
6607 case SC_OpenCLWorkGroupLocal:
6608 return CX_SC_OpenCLWorkGroupLocal;
6612 return CX_SC_Register;
6614 llvm_unreachable("Unhandled storage class!");
6617 CXCursor clang_getCursorSemanticParent(CXCursor cursor) {
6618 if (clang_isDeclaration(cursor.kind)) {
6619 if (const Decl *D = getCursorDecl(cursor)) {
6620 const DeclContext *DC = D->getDeclContext();
6622 return clang_getNullCursor();
6624 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
6625 getCursorTU(cursor));
6629 if (clang_isStatement(cursor.kind) || clang_isExpression(cursor.kind)) {
6630 if (const Decl *D = getCursorDecl(cursor))
6631 return MakeCXCursor(D, getCursorTU(cursor));
6634 return clang_getNullCursor();
6637 CXCursor clang_getCursorLexicalParent(CXCursor cursor) {
6638 if (clang_isDeclaration(cursor.kind)) {
6639 if (const Decl *D = getCursorDecl(cursor)) {
6640 const DeclContext *DC = D->getLexicalDeclContext();
6642 return clang_getNullCursor();
6644 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
6645 getCursorTU(cursor));
6649 // FIXME: Note that we can't easily compute the lexical context of a
6650 // statement or expression, so we return nothing.
6651 return clang_getNullCursor();
6654 CXFile clang_getIncludedFile(CXCursor cursor) {
6655 if (cursor.kind != CXCursor_InclusionDirective)
6658 const InclusionDirective *ID = getCursorInclusionDirective(cursor);
6659 return const_cast<FileEntry *>(ID->getFile());
6662 unsigned clang_Cursor_getObjCPropertyAttributes(CXCursor C, unsigned reserved) {
6663 if (C.kind != CXCursor_ObjCPropertyDecl)
6664 return CXObjCPropertyAttr_noattr;
6666 unsigned Result = CXObjCPropertyAttr_noattr;
6667 const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(getCursorDecl(C));
6668 ObjCPropertyDecl::PropertyAttributeKind Attr =
6669 PD->getPropertyAttributesAsWritten();
6671 #define SET_CXOBJCPROP_ATTR(A) \
6672 if (Attr & ObjCPropertyDecl::OBJC_PR_##A) \
6673 Result |= CXObjCPropertyAttr_##A
6674 SET_CXOBJCPROP_ATTR(readonly);
6675 SET_CXOBJCPROP_ATTR(getter);
6676 SET_CXOBJCPROP_ATTR(assign);
6677 SET_CXOBJCPROP_ATTR(readwrite);
6678 SET_CXOBJCPROP_ATTR(retain);
6679 SET_CXOBJCPROP_ATTR(copy);
6680 SET_CXOBJCPROP_ATTR(nonatomic);
6681 SET_CXOBJCPROP_ATTR(setter);
6682 SET_CXOBJCPROP_ATTR(atomic);
6683 SET_CXOBJCPROP_ATTR(weak);
6684 SET_CXOBJCPROP_ATTR(strong);
6685 SET_CXOBJCPROP_ATTR(unsafe_unretained);
6686 #undef SET_CXOBJCPROP_ATTR
6691 unsigned clang_Cursor_getObjCDeclQualifiers(CXCursor C) {
6692 if (!clang_isDeclaration(C.kind))
6693 return CXObjCDeclQualifier_None;
6695 Decl::ObjCDeclQualifier QT = Decl::OBJC_TQ_None;
6696 const Decl *D = getCursorDecl(C);
6697 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
6698 QT = MD->getObjCDeclQualifier();
6699 else if (const ParmVarDecl *PD = dyn_cast<ParmVarDecl>(D))
6700 QT = PD->getObjCDeclQualifier();
6701 if (QT == Decl::OBJC_TQ_None)
6702 return CXObjCDeclQualifier_None;
6704 unsigned Result = CXObjCDeclQualifier_None;
6705 if (QT & Decl::OBJC_TQ_In) Result |= CXObjCDeclQualifier_In;
6706 if (QT & Decl::OBJC_TQ_Inout) Result |= CXObjCDeclQualifier_Inout;
6707 if (QT & Decl::OBJC_TQ_Out) Result |= CXObjCDeclQualifier_Out;
6708 if (QT & Decl::OBJC_TQ_Bycopy) Result |= CXObjCDeclQualifier_Bycopy;
6709 if (QT & Decl::OBJC_TQ_Byref) Result |= CXObjCDeclQualifier_Byref;
6710 if (QT & Decl::OBJC_TQ_Oneway) Result |= CXObjCDeclQualifier_Oneway;
6715 unsigned clang_Cursor_isObjCOptional(CXCursor C) {
6716 if (!clang_isDeclaration(C.kind))
6719 const Decl *D = getCursorDecl(C);
6720 if (const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(D))
6721 return PD->getPropertyImplementation() == ObjCPropertyDecl::Optional;
6722 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
6723 return MD->getImplementationControl() == ObjCMethodDecl::Optional;
6728 unsigned clang_Cursor_isVariadic(CXCursor C) {
6729 if (!clang_isDeclaration(C.kind))
6732 const Decl *D = getCursorDecl(C);
6733 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
6734 return FD->isVariadic();
6735 if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
6736 return MD->isVariadic();
6741 CXSourceRange clang_Cursor_getCommentRange(CXCursor C) {
6742 if (!clang_isDeclaration(C.kind))
6743 return clang_getNullRange();
6745 const Decl *D = getCursorDecl(C);
6746 ASTContext &Context = getCursorContext(C);
6747 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6749 return clang_getNullRange();
6751 return cxloc::translateSourceRange(Context, RC->getSourceRange());
6754 CXString clang_Cursor_getRawCommentText(CXCursor C) {
6755 if (!clang_isDeclaration(C.kind))
6756 return cxstring::createNull();
6758 const Decl *D = getCursorDecl(C);
6759 ASTContext &Context = getCursorContext(C);
6760 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6761 StringRef RawText = RC ? RC->getRawText(Context.getSourceManager()) :
6764 // Don't duplicate the string because RawText points directly into source
6766 return cxstring::createRef(RawText);
6769 CXString clang_Cursor_getBriefCommentText(CXCursor C) {
6770 if (!clang_isDeclaration(C.kind))
6771 return cxstring::createNull();
6773 const Decl *D = getCursorDecl(C);
6774 const ASTContext &Context = getCursorContext(C);
6775 const RawComment *RC = Context.getRawCommentForAnyRedecl(D);
6778 StringRef BriefText = RC->getBriefText(Context);
6780 // Don't duplicate the string because RawComment ensures that this memory
6781 // will not go away.
6782 return cxstring::createRef(BriefText);
6785 return cxstring::createNull();
6788 CXModule clang_Cursor_getModule(CXCursor C) {
6789 if (C.kind == CXCursor_ModuleImportDecl) {
6790 if (const ImportDecl *ImportD =
6791 dyn_cast_or_null<ImportDecl>(getCursorDecl(C)))
6792 return ImportD->getImportedModule();
6798 CXModule clang_getModuleForFile(CXTranslationUnit TU, CXFile File) {
6799 if (isNotUsableTU(TU)) {
6805 FileEntry *FE = static_cast<FileEntry *>(File);
6807 ASTUnit &Unit = *cxtu::getASTUnit(TU);
6808 HeaderSearch &HS = Unit.getPreprocessor().getHeaderSearchInfo();
6809 ModuleMap::KnownHeader Header = HS.findModuleForHeader(FE);
6811 return Header.getModule();
6814 CXFile clang_Module_getASTFile(CXModule CXMod) {
6817 Module *Mod = static_cast<Module*>(CXMod);
6818 return const_cast<FileEntry *>(Mod->getASTFile());
6821 CXModule clang_Module_getParent(CXModule CXMod) {
6824 Module *Mod = static_cast<Module*>(CXMod);
6828 CXString clang_Module_getName(CXModule CXMod) {
6830 return cxstring::createEmpty();
6831 Module *Mod = static_cast<Module*>(CXMod);
6832 return cxstring::createDup(Mod->Name);
6835 CXString clang_Module_getFullName(CXModule CXMod) {
6837 return cxstring::createEmpty();
6838 Module *Mod = static_cast<Module*>(CXMod);
6839 return cxstring::createDup(Mod->getFullModuleName());
6842 int clang_Module_isSystem(CXModule CXMod) {
6845 Module *Mod = static_cast<Module*>(CXMod);
6846 return Mod->IsSystem;
6849 unsigned clang_Module_getNumTopLevelHeaders(CXTranslationUnit TU,
6851 if (isNotUsableTU(TU)) {
6857 Module *Mod = static_cast<Module*>(CXMod);
6858 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
6859 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
6860 return TopHeaders.size();
6863 CXFile clang_Module_getTopLevelHeader(CXTranslationUnit TU,
6864 CXModule CXMod, unsigned Index) {
6865 if (isNotUsableTU(TU)) {
6871 Module *Mod = static_cast<Module*>(CXMod);
6872 FileManager &FileMgr = cxtu::getASTUnit(TU)->getFileManager();
6874 ArrayRef<const FileEntry *> TopHeaders = Mod->getTopHeaders(FileMgr);
6875 if (Index < TopHeaders.size())
6876 return const_cast<FileEntry *>(TopHeaders[Index]);
6881 } // end: extern "C"
6883 //===----------------------------------------------------------------------===//
6884 // C++ AST instrospection.
6885 //===----------------------------------------------------------------------===//
6888 unsigned clang_CXXMethod_isPureVirtual(CXCursor C) {
6889 if (!clang_isDeclaration(C.kind))
6892 const Decl *D = cxcursor::getCursorDecl(C);
6893 const CXXMethodDecl *Method =
6894 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
6895 return (Method && Method->isVirtual() && Method->isPure()) ? 1 : 0;
6898 unsigned clang_CXXMethod_isConst(CXCursor C) {
6899 if (!clang_isDeclaration(C.kind))
6902 const Decl *D = cxcursor::getCursorDecl(C);
6903 const CXXMethodDecl *Method =
6904 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
6905 return (Method && (Method->getTypeQualifiers() & Qualifiers::Const)) ? 1 : 0;
6908 unsigned clang_CXXMethod_isStatic(CXCursor C) {
6909 if (!clang_isDeclaration(C.kind))
6912 const Decl *D = cxcursor::getCursorDecl(C);
6913 const CXXMethodDecl *Method =
6914 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
6915 return (Method && Method->isStatic()) ? 1 : 0;
6918 unsigned clang_CXXMethod_isVirtual(CXCursor C) {
6919 if (!clang_isDeclaration(C.kind))
6922 const Decl *D = cxcursor::getCursorDecl(C);
6923 const CXXMethodDecl *Method =
6924 D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
6925 return (Method && Method->isVirtual()) ? 1 : 0;
6927 } // end: extern "C"
6929 //===----------------------------------------------------------------------===//
6930 // Attribute introspection.
6931 //===----------------------------------------------------------------------===//
6934 CXType clang_getIBOutletCollectionType(CXCursor C) {
6935 if (C.kind != CXCursor_IBOutletCollectionAttr)
6936 return cxtype::MakeCXType(QualType(), cxcursor::getCursorTU(C));
6938 const IBOutletCollectionAttr *A =
6939 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
6941 return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorTU(C));
6943 } // end: extern "C"
6945 //===----------------------------------------------------------------------===//
6946 // Inspecting memory usage.
6947 //===----------------------------------------------------------------------===//
6949 typedef std::vector<CXTUResourceUsageEntry> MemUsageEntries;
6951 static inline void createCXTUResourceUsageEntry(MemUsageEntries &entries,
6952 enum CXTUResourceUsageKind k,
6953 unsigned long amount) {
6954 CXTUResourceUsageEntry entry = { k, amount };
6955 entries.push_back(entry);
6960 const char *clang_getTUResourceUsageName(CXTUResourceUsageKind kind) {
6961 const char *str = "";
6963 case CXTUResourceUsage_AST:
6964 str = "ASTContext: expressions, declarations, and types";
6966 case CXTUResourceUsage_Identifiers:
6967 str = "ASTContext: identifiers";
6969 case CXTUResourceUsage_Selectors:
6970 str = "ASTContext: selectors";
6972 case CXTUResourceUsage_GlobalCompletionResults:
6973 str = "Code completion: cached global results";
6975 case CXTUResourceUsage_SourceManagerContentCache:
6976 str = "SourceManager: content cache allocator";
6978 case CXTUResourceUsage_AST_SideTables:
6979 str = "ASTContext: side tables";
6981 case CXTUResourceUsage_SourceManager_Membuffer_Malloc:
6982 str = "SourceManager: malloc'ed memory buffers";
6984 case CXTUResourceUsage_SourceManager_Membuffer_MMap:
6985 str = "SourceManager: mmap'ed memory buffers";
6987 case CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc:
6988 str = "ExternalASTSource: malloc'ed memory buffers";
6990 case CXTUResourceUsage_ExternalASTSource_Membuffer_MMap:
6991 str = "ExternalASTSource: mmap'ed memory buffers";
6993 case CXTUResourceUsage_Preprocessor:
6994 str = "Preprocessor: malloc'ed memory";
6996 case CXTUResourceUsage_PreprocessingRecord:
6997 str = "Preprocessor: PreprocessingRecord";
6999 case CXTUResourceUsage_SourceManager_DataStructures:
7000 str = "SourceManager: data structures and tables";
7002 case CXTUResourceUsage_Preprocessor_HeaderSearch:
7003 str = "Preprocessor: header search tables";
7009 CXTUResourceUsage clang_getCXTUResourceUsage(CXTranslationUnit TU) {
7010 if (isNotUsableTU(TU)) {
7012 CXTUResourceUsage usage = { (void*) nullptr, 0, nullptr };
7016 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7017 std::unique_ptr<MemUsageEntries> entries(new MemUsageEntries());
7018 ASTContext &astContext = astUnit->getASTContext();
7020 // How much memory is used by AST nodes and types?
7021 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST,
7022 (unsigned long) astContext.getASTAllocatedMemory());
7024 // How much memory is used by identifiers?
7025 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Identifiers,
7026 (unsigned long) astContext.Idents.getAllocator().getTotalMemory());
7028 // How much memory is used for selectors?
7029 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Selectors,
7030 (unsigned long) astContext.Selectors.getTotalMemory());
7032 // How much memory is used by ASTContext's side tables?
7033 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST_SideTables,
7034 (unsigned long) astContext.getSideTableAllocatedMemory());
7036 // How much memory is used for caching global code completion results?
7037 unsigned long completionBytes = 0;
7038 if (GlobalCodeCompletionAllocator *completionAllocator =
7039 astUnit->getCachedCompletionAllocator().get()) {
7040 completionBytes = completionAllocator->getTotalMemory();
7042 createCXTUResourceUsageEntry(*entries,
7043 CXTUResourceUsage_GlobalCompletionResults,
7046 // How much memory is being used by SourceManager's content cache?
7047 createCXTUResourceUsageEntry(*entries,
7048 CXTUResourceUsage_SourceManagerContentCache,
7049 (unsigned long) astContext.getSourceManager().getContentCacheSize());
7051 // How much memory is being used by the MemoryBuffer's in SourceManager?
7052 const SourceManager::MemoryBufferSizes &srcBufs =
7053 astUnit->getSourceManager().getMemoryBufferSizes();
7055 createCXTUResourceUsageEntry(*entries,
7056 CXTUResourceUsage_SourceManager_Membuffer_Malloc,
7057 (unsigned long) srcBufs.malloc_bytes);
7058 createCXTUResourceUsageEntry(*entries,
7059 CXTUResourceUsage_SourceManager_Membuffer_MMap,
7060 (unsigned long) srcBufs.mmap_bytes);
7061 createCXTUResourceUsageEntry(*entries,
7062 CXTUResourceUsage_SourceManager_DataStructures,
7063 (unsigned long) astContext.getSourceManager()
7064 .getDataStructureSizes());
7066 // How much memory is being used by the ExternalASTSource?
7067 if (ExternalASTSource *esrc = astContext.getExternalSource()) {
7068 const ExternalASTSource::MemoryBufferSizes &sizes =
7069 esrc->getMemoryBufferSizes();
7071 createCXTUResourceUsageEntry(*entries,
7072 CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc,
7073 (unsigned long) sizes.malloc_bytes);
7074 createCXTUResourceUsageEntry(*entries,
7075 CXTUResourceUsage_ExternalASTSource_Membuffer_MMap,
7076 (unsigned long) sizes.mmap_bytes);
7079 // How much memory is being used by the Preprocessor?
7080 Preprocessor &pp = astUnit->getPreprocessor();
7081 createCXTUResourceUsageEntry(*entries,
7082 CXTUResourceUsage_Preprocessor,
7083 pp.getTotalMemory());
7085 if (PreprocessingRecord *pRec = pp.getPreprocessingRecord()) {
7086 createCXTUResourceUsageEntry(*entries,
7087 CXTUResourceUsage_PreprocessingRecord,
7088 pRec->getTotalMemory());
7091 createCXTUResourceUsageEntry(*entries,
7092 CXTUResourceUsage_Preprocessor_HeaderSearch,
7093 pp.getHeaderSearchInfo().getTotalMemory());
7095 CXTUResourceUsage usage = { (void*) entries.get(),
7096 (unsigned) entries->size(),
7097 !entries->empty() ? &(*entries)[0] : nullptr };
7102 void clang_disposeCXTUResourceUsage(CXTUResourceUsage usage) {
7104 delete (MemUsageEntries*) usage.data;
7107 CXSourceRangeList *clang_getSkippedRanges(CXTranslationUnit TU, CXFile file) {
7108 CXSourceRangeList *skipped = new CXSourceRangeList;
7110 skipped->ranges = nullptr;
7112 if (isNotUsableTU(TU)) {
7120 ASTUnit *astUnit = cxtu::getASTUnit(TU);
7121 PreprocessingRecord *ppRec = astUnit->getPreprocessor().getPreprocessingRecord();
7125 ASTContext &Ctx = astUnit->getASTContext();
7126 SourceManager &sm = Ctx.getSourceManager();
7127 FileEntry *fileEntry = static_cast<FileEntry *>(file);
7128 FileID wantedFileID = sm.translateFile(fileEntry);
7130 const std::vector<SourceRange> &SkippedRanges = ppRec->getSkippedRanges();
7131 std::vector<SourceRange> wantedRanges;
7132 for (std::vector<SourceRange>::const_iterator i = SkippedRanges.begin(), ei = SkippedRanges.end();
7134 if (sm.getFileID(i->getBegin()) == wantedFileID || sm.getFileID(i->getEnd()) == wantedFileID)
7135 wantedRanges.push_back(*i);
7138 skipped->count = wantedRanges.size();
7139 skipped->ranges = new CXSourceRange[skipped->count];
7140 for (unsigned i = 0, ei = skipped->count; i != ei; ++i)
7141 skipped->ranges[i] = cxloc::translateSourceRange(Ctx, wantedRanges[i]);
7146 void clang_disposeSourceRangeList(CXSourceRangeList *ranges) {
7148 delete[] ranges->ranges;
7155 void clang::PrintLibclangResourceUsage(CXTranslationUnit TU) {
7156 CXTUResourceUsage Usage = clang_getCXTUResourceUsage(TU);
7157 for (unsigned I = 0; I != Usage.numEntries; ++I)
7158 fprintf(stderr, " %s: %lu\n",
7159 clang_getTUResourceUsageName(Usage.entries[I].kind),
7160 Usage.entries[I].amount);
7162 clang_disposeCXTUResourceUsage(Usage);
7165 //===----------------------------------------------------------------------===//
7166 // Misc. utility functions.
7167 //===----------------------------------------------------------------------===//
7169 /// Default to using an 8 MB stack size on "safety" threads.
7170 static unsigned SafetyStackThreadSize = 8 << 20;
7174 bool RunSafely(llvm::CrashRecoveryContext &CRC, llvm::function_ref<void()> Fn,
7177 Size = GetSafetyThreadStackSize();
7179 return CRC.RunSafelyOnThread(Fn, Size);
7180 return CRC.RunSafely(Fn);
7183 unsigned GetSafetyThreadStackSize() {
7184 return SafetyStackThreadSize;
7187 void SetSafetyThreadStackSize(unsigned Value) {
7188 SafetyStackThreadSize = Value;
7193 void clang::setThreadBackgroundPriority() {
7194 if (getenv("LIBCLANG_BGPRIO_DISABLE"))
7197 #ifdef USE_DARWIN_THREADS
7198 setpriority(PRIO_DARWIN_THREAD, 0, PRIO_DARWIN_BG);
7202 void cxindex::printDiagsToStderr(ASTUnit *Unit) {
7206 for (ASTUnit::stored_diag_iterator D = Unit->stored_diag_begin(),
7207 DEnd = Unit->stored_diag_end();
7209 CXStoredDiagnostic Diag(*D, Unit->getLangOpts());
7210 CXString Msg = clang_formatDiagnostic(&Diag,
7211 clang_defaultDiagnosticDisplayOptions());
7212 fprintf(stderr, "%s\n", clang_getCString(Msg));
7213 clang_disposeString(Msg);
7215 #ifdef LLVM_ON_WIN32
7216 // On Windows, force a flush, since there may be multiple copies of
7217 // stderr and stdout in the file system, all with different buffers
7218 // but writing to the same device.
7223 MacroInfo *cxindex::getMacroInfo(const IdentifierInfo &II,
7224 SourceLocation MacroDefLoc,
7225 CXTranslationUnit TU){
7226 if (MacroDefLoc.isInvalid() || !TU)
7228 if (!II.hadMacroDefinition())
7231 ASTUnit *Unit = cxtu::getASTUnit(TU);
7232 Preprocessor &PP = Unit->getPreprocessor();
7233 MacroDirective *MD = PP.getLocalMacroDirectiveHistory(&II);
7235 for (MacroDirective::DefInfo
7236 Def = MD->getDefinition(); Def; Def = Def.getPreviousDefinition()) {
7237 if (MacroDefLoc == Def.getMacroInfo()->getDefinitionLoc())
7238 return Def.getMacroInfo();
7245 const MacroInfo *cxindex::getMacroInfo(const MacroDefinitionRecord *MacroDef,
7246 CXTranslationUnit TU) {
7247 if (!MacroDef || !TU)
7249 const IdentifierInfo *II = MacroDef->getName();
7253 return getMacroInfo(*II, MacroDef->getLocation(), TU);
7256 MacroDefinitionRecord *
7257 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, const Token &Tok,
7258 CXTranslationUnit TU) {
7261 if (Tok.isNot(tok::raw_identifier))
7264 if (MI->getNumTokens() == 0)
7266 SourceRange DefRange(MI->getReplacementToken(0).getLocation(),
7267 MI->getDefinitionEndLoc());
7268 ASTUnit *Unit = cxtu::getASTUnit(TU);
7270 // Check that the token is inside the definition and not its argument list.
7271 SourceManager &SM = Unit->getSourceManager();
7272 if (SM.isBeforeInTranslationUnit(Tok.getLocation(), DefRange.getBegin()))
7274 if (SM.isBeforeInTranslationUnit(DefRange.getEnd(), Tok.getLocation()))
7277 Preprocessor &PP = Unit->getPreprocessor();
7278 PreprocessingRecord *PPRec = PP.getPreprocessingRecord();
7282 IdentifierInfo &II = PP.getIdentifierTable().get(Tok.getRawIdentifier());
7283 if (!II.hadMacroDefinition())
7286 // Check that the identifier is not one of the macro arguments.
7287 if (std::find(MI->arg_begin(), MI->arg_end(), &II) != MI->arg_end())
7290 MacroDirective *InnerMD = PP.getLocalMacroDirectiveHistory(&II);
7294 return PPRec->findMacroDefinition(InnerMD->getMacroInfo());
7297 MacroDefinitionRecord *
7298 cxindex::checkForMacroInMacroDefinition(const MacroInfo *MI, SourceLocation Loc,
7299 CXTranslationUnit TU) {
7300 if (Loc.isInvalid() || !MI || !TU)
7303 if (MI->getNumTokens() == 0)
7305 ASTUnit *Unit = cxtu::getASTUnit(TU);
7306 Preprocessor &PP = Unit->getPreprocessor();
7307 if (!PP.getPreprocessingRecord())
7309 Loc = Unit->getSourceManager().getSpellingLoc(Loc);
7311 if (PP.getRawToken(Loc, Tok))
7314 return checkForMacroInMacroDefinition(MI, Tok, TU);
7319 CXString clang_getClangVersion() {
7320 return cxstring::createDup(getClangFullVersion());
7323 } // end: extern "C"
7325 Logger &cxindex::Logger::operator<<(CXTranslationUnit TU) {
7327 if (ASTUnit *Unit = cxtu::getASTUnit(TU)) {
7328 LogOS << '<' << Unit->getMainFileName() << '>';
7329 if (Unit->isMainFileAST())
7330 LogOS << " (" << Unit->getASTFileName() << ')';
7334 LogOS << "<NULL TU>";
7339 Logger &cxindex::Logger::operator<<(const FileEntry *FE) {
7340 *this << FE->getName();
7344 Logger &cxindex::Logger::operator<<(CXCursor cursor) {
7345 CXString cursorName = clang_getCursorDisplayName(cursor);
7346 *this << cursorName << "@" << clang_getCursorLocation(cursor);
7347 clang_disposeString(cursorName);
7351 Logger &cxindex::Logger::operator<<(CXSourceLocation Loc) {
7353 unsigned Line, Column;
7354 clang_getFileLocation(Loc, &File, &Line, &Column, nullptr);
7355 CXString FileName = clang_getFileName(File);
7356 *this << llvm::format("(%s:%d:%d)", clang_getCString(FileName), Line, Column);
7357 clang_disposeString(FileName);
7361 Logger &cxindex::Logger::operator<<(CXSourceRange range) {
7362 CXSourceLocation BLoc = clang_getRangeStart(range);
7363 CXSourceLocation ELoc = clang_getRangeEnd(range);
7366 unsigned BLine, BColumn;
7367 clang_getFileLocation(BLoc, &BFile, &BLine, &BColumn, nullptr);
7370 unsigned ELine, EColumn;
7371 clang_getFileLocation(ELoc, &EFile, &ELine, &EColumn, nullptr);
7373 CXString BFileName = clang_getFileName(BFile);
7374 if (BFile == EFile) {
7375 *this << llvm::format("[%s %d:%d-%d:%d]", clang_getCString(BFileName),
7376 BLine, BColumn, ELine, EColumn);
7378 CXString EFileName = clang_getFileName(EFile);
7379 *this << llvm::format("[%s:%d:%d - ", clang_getCString(BFileName),
7381 << llvm::format("%s:%d:%d]", clang_getCString(EFileName),
7383 clang_disposeString(EFileName);
7385 clang_disposeString(BFileName);
7389 Logger &cxindex::Logger::operator<<(CXString Str) {
7390 *this << clang_getCString(Str);
7394 Logger &cxindex::Logger::operator<<(const llvm::format_object_base &Fmt) {
7399 static llvm::ManagedStatic<llvm::sys::Mutex> LoggingMutex;
7401 cxindex::Logger::~Logger() {
7402 llvm::sys::ScopedLock L(*LoggingMutex);
7404 static llvm::TimeRecord sBeginTR = llvm::TimeRecord::getCurrentTime();
7406 raw_ostream &OS = llvm::errs();
7407 OS << "[libclang:" << Name << ':';
7409 #ifdef USE_DARWIN_THREADS
7410 // TODO: Portability.
7411 mach_port_t tid = pthread_mach_thread_np(pthread_self());
7415 llvm::TimeRecord TR = llvm::TimeRecord::getCurrentTime();
7416 OS << llvm::format("%7.4f] ", TR.getWallTime() - sBeginTR.getWallTime());
7420 llvm::sys::PrintStackTrace(OS);
7421 OS << "--------------------------------------------------\n";