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 //===----------------------------------------------------------------------===//
17 #include "CXTranslationUnit.h"
20 #include "CXSourceLocation.h"
21 #include "CIndexDiagnostic.h"
23 #include "clang/Basic/Version.h"
25 #include "clang/AST/DeclVisitor.h"
26 #include "clang/AST/StmtVisitor.h"
27 #include "clang/AST/TypeLocVisitor.h"
28 #include "clang/Basic/Diagnostic.h"
29 #include "clang/Frontend/ASTUnit.h"
30 #include "clang/Frontend/CompilerInstance.h"
31 #include "clang/Frontend/FrontendDiagnostic.h"
32 #include "clang/Lex/Lexer.h"
33 #include "clang/Lex/HeaderSearch.h"
34 #include "clang/Lex/PreprocessingRecord.h"
35 #include "clang/Lex/Preprocessor.h"
36 #include "llvm/ADT/STLExtras.h"
37 #include "llvm/ADT/Optional.h"
38 #include "llvm/ADT/StringSwitch.h"
39 #include "clang/Analysis/Support/SaveAndRestore.h"
40 #include "llvm/Support/CrashRecoveryContext.h"
41 #include "llvm/Support/PrettyStackTrace.h"
42 #include "llvm/Support/MemoryBuffer.h"
43 #include "llvm/Support/raw_ostream.h"
44 #include "llvm/Support/Timer.h"
45 #include "llvm/Support/Mutex.h"
46 #include "llvm/Support/Program.h"
47 #include "llvm/Support/Signals.h"
48 #include "llvm/Support/Threading.h"
49 #include "llvm/Support/Compiler.h"
51 using namespace clang;
52 using namespace clang::cxcursor;
53 using namespace clang::cxstring;
54 using namespace clang::cxtu;
56 CXTranslationUnit cxtu::MakeCXTranslationUnit(ASTUnit *TU) {
59 CXTranslationUnit D = new CXTranslationUnitImpl();
61 D->StringPool = createCXStringPool();
65 /// \brief The result of comparing two source ranges.
66 enum RangeComparisonResult {
67 /// \brief Either the ranges overlap or one of the ranges is invalid.
70 /// \brief The first range ends before the second range starts.
73 /// \brief The first range starts after the second range ends.
77 /// \brief Compare two source ranges to determine their relative position in
78 /// the translation unit.
79 static RangeComparisonResult RangeCompare(SourceManager &SM,
82 assert(R1.isValid() && "First range is invalid?");
83 assert(R2.isValid() && "Second range is invalid?");
84 if (R1.getEnd() != R2.getBegin() &&
85 SM.isBeforeInTranslationUnit(R1.getEnd(), R2.getBegin()))
87 if (R2.getEnd() != R1.getBegin() &&
88 SM.isBeforeInTranslationUnit(R2.getEnd(), R1.getBegin()))
93 /// \brief Determine if a source location falls within, before, or after a
94 /// a given source range.
95 static RangeComparisonResult LocationCompare(SourceManager &SM,
96 SourceLocation L, SourceRange R) {
97 assert(R.isValid() && "First range is invalid?");
98 assert(L.isValid() && "Second range is invalid?");
99 if (L == R.getBegin() || L == R.getEnd())
101 if (SM.isBeforeInTranslationUnit(L, R.getBegin()))
103 if (SM.isBeforeInTranslationUnit(R.getEnd(), L))
108 /// \brief Translate a Clang source range into a CIndex source range.
110 /// Clang internally represents ranges where the end location points to the
111 /// start of the token at the end. However, for external clients it is more
112 /// useful to have a CXSourceRange be a proper half-open interval. This routine
113 /// does the appropriate translation.
114 CXSourceRange cxloc::translateSourceRange(const SourceManager &SM,
115 const LangOptions &LangOpts,
116 const CharSourceRange &R) {
117 // We want the last character in this location, so we will adjust the
118 // location accordingly.
119 SourceLocation EndLoc = R.getEnd();
120 if (EndLoc.isValid() && EndLoc.isMacroID())
121 EndLoc = SM.getExpansionRange(EndLoc).second;
122 if (R.isTokenRange() && !EndLoc.isInvalid() && EndLoc.isFileID()) {
123 unsigned Length = Lexer::MeasureTokenLength(EndLoc, SM, LangOpts);
124 EndLoc = EndLoc.getLocWithOffset(Length);
127 CXSourceRange Result = { { (void *)&SM, (void *)&LangOpts },
128 R.getBegin().getRawEncoding(),
129 EndLoc.getRawEncoding() };
133 //===----------------------------------------------------------------------===//
135 //===----------------------------------------------------------------------===//
141 enum Kind { DeclVisitKind, StmtVisitKind, MemberExprPartsKind,
142 TypeLocVisitKind, OverloadExprPartsKind,
143 DeclRefExprPartsKind, LabelRefVisitKind,
144 ExplicitTemplateArgsVisitKind,
145 NestedNameSpecifierLocVisitKind,
146 DeclarationNameInfoVisitKind,
147 MemberRefVisitKind, SizeOfPackExprPartsKind };
152 VisitorJob(CXCursor C, Kind k, void *d1, void *d2 = 0, void *d3 = 0)
159 Kind getKind() const { return K; }
160 const CXCursor &getParent() const { return parent; }
161 static bool classof(VisitorJob *VJ) { return true; }
164 typedef SmallVector<VisitorJob, 10> VisitorWorkList;
167 class CursorVisitor : public DeclVisitor<CursorVisitor, bool>,
168 public TypeLocVisitor<CursorVisitor, bool>
170 /// \brief The translation unit we are traversing.
171 CXTranslationUnit TU;
174 /// \brief The parent cursor whose children we are traversing.
177 /// \brief The declaration that serves at the parent of any statement or
178 /// expression nodes.
181 /// \brief The visitor function.
182 CXCursorVisitor Visitor;
184 /// \brief The opaque client data, to be passed along to the visitor.
185 CXClientData ClientData;
187 /// \brief Whether we should visit the preprocessing record entries last,
188 /// after visiting other declarations.
189 bool VisitPreprocessorLast;
191 /// \brief When valid, a source range to which the cursor should restrict
193 SourceRange RegionOfInterest;
195 // FIXME: Eventually remove. This part of a hack to support proper
196 // iteration over all Decls contained lexically within an ObjC container.
197 DeclContext::decl_iterator *DI_current;
198 DeclContext::decl_iterator DE_current;
200 // Cache of pre-allocated worklists for data-recursion walk of Stmts.
201 SmallVector<VisitorWorkList*, 5> WorkListFreeList;
202 SmallVector<VisitorWorkList*, 5> WorkListCache;
204 using DeclVisitor<CursorVisitor, bool>::Visit;
205 using TypeLocVisitor<CursorVisitor, bool>::Visit;
207 /// \brief Determine whether this particular source range comes before, comes
208 /// after, or overlaps the region of interest.
210 /// \param R a half-open source range retrieved from the abstract syntax tree.
211 RangeComparisonResult CompareRegionOfInterest(SourceRange R);
213 class SetParentRAII {
219 SetParentRAII(CXCursor &Parent, Decl *&StmtParent, CXCursor NewParent)
220 : Parent(Parent), StmtParent(StmtParent), OldParent(Parent)
223 if (clang_isDeclaration(Parent.kind))
224 StmtParent = getCursorDecl(Parent);
229 if (clang_isDeclaration(Parent.kind))
230 StmtParent = getCursorDecl(Parent);
235 CursorVisitor(CXTranslationUnit TU, CXCursorVisitor Visitor,
236 CXClientData ClientData,
237 bool VisitPreprocessorLast,
238 SourceRange RegionOfInterest = SourceRange())
239 : TU(TU), AU(static_cast<ASTUnit*>(TU->TUData)),
240 Visitor(Visitor), ClientData(ClientData),
241 VisitPreprocessorLast(VisitPreprocessorLast),
242 RegionOfInterest(RegionOfInterest), DI_current(0)
244 Parent.kind = CXCursor_NoDeclFound;
252 // Free the pre-allocated worklists for data-recursion.
253 for (SmallVectorImpl<VisitorWorkList*>::iterator
254 I = WorkListCache.begin(), E = WorkListCache.end(); I != E; ++I) {
259 ASTUnit *getASTUnit() const { return static_cast<ASTUnit*>(TU->TUData); }
260 CXTranslationUnit getTU() const { return TU; }
262 bool Visit(CXCursor Cursor, bool CheckedRegionOfInterest = false);
264 bool visitPreprocessedEntitiesInRegion();
266 template<typename InputIterator>
267 bool visitPreprocessedEntities(InputIterator First, InputIterator Last);
269 bool VisitChildren(CXCursor Parent);
271 // Declaration visitors
272 bool VisitTypeAliasDecl(TypeAliasDecl *D);
273 bool VisitAttributes(Decl *D);
274 bool VisitBlockDecl(BlockDecl *B);
275 bool VisitCXXRecordDecl(CXXRecordDecl *D);
276 llvm::Optional<bool> shouldVisitCursor(CXCursor C);
277 bool VisitDeclContext(DeclContext *DC);
278 bool VisitTranslationUnitDecl(TranslationUnitDecl *D);
279 bool VisitTypedefDecl(TypedefDecl *D);
280 bool VisitTagDecl(TagDecl *D);
281 bool VisitClassTemplateSpecializationDecl(ClassTemplateSpecializationDecl *D);
282 bool VisitClassTemplatePartialSpecializationDecl(
283 ClassTemplatePartialSpecializationDecl *D);
284 bool VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D);
285 bool VisitEnumConstantDecl(EnumConstantDecl *D);
286 bool VisitDeclaratorDecl(DeclaratorDecl *DD);
287 bool VisitFunctionDecl(FunctionDecl *ND);
288 bool VisitFieldDecl(FieldDecl *D);
289 bool VisitVarDecl(VarDecl *);
290 bool VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D);
291 bool VisitFunctionTemplateDecl(FunctionTemplateDecl *D);
292 bool VisitClassTemplateDecl(ClassTemplateDecl *D);
293 bool VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D);
294 bool VisitObjCMethodDecl(ObjCMethodDecl *ND);
295 bool VisitObjCContainerDecl(ObjCContainerDecl *D);
296 bool VisitObjCCategoryDecl(ObjCCategoryDecl *ND);
297 bool VisitObjCProtocolDecl(ObjCProtocolDecl *PID);
298 bool VisitObjCPropertyDecl(ObjCPropertyDecl *PD);
299 bool VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
300 bool VisitObjCImplDecl(ObjCImplDecl *D);
301 bool VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
302 bool VisitObjCImplementationDecl(ObjCImplementationDecl *D);
303 // FIXME: ObjCCompatibleAliasDecl requires aliased-class locations.
304 bool VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D);
305 bool VisitObjCClassDecl(ObjCClassDecl *D);
306 bool VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PD);
307 bool VisitLinkageSpecDecl(LinkageSpecDecl *D);
308 bool VisitNamespaceDecl(NamespaceDecl *D);
309 bool VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
310 bool VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
311 bool VisitUsingDecl(UsingDecl *D);
312 bool VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D);
313 bool VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D);
316 bool VisitDeclarationNameInfo(DeclarationNameInfo Name);
317 bool VisitNestedNameSpecifier(NestedNameSpecifier *NNS, SourceRange Range);
318 bool VisitNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS);
321 bool VisitTemplateParameters(const TemplateParameterList *Params);
322 bool VisitTemplateName(TemplateName Name, SourceLocation Loc);
323 bool VisitTemplateArgumentLoc(const TemplateArgumentLoc &TAL);
326 #define ABSTRACT_TYPELOC(CLASS, PARENT)
327 #define TYPELOC(CLASS, PARENT) \
328 bool Visit##CLASS##TypeLoc(CLASS##TypeLoc TyLoc);
329 #include "clang/AST/TypeLocNodes.def"
331 bool VisitTagTypeLoc(TagTypeLoc TL);
332 bool VisitArrayTypeLoc(ArrayTypeLoc TL);
333 bool VisitFunctionTypeLoc(FunctionTypeLoc TL, bool SkipResultType = false);
335 // Data-recursive visitor functions.
336 bool IsInRegionOfInterest(CXCursor C);
337 bool RunVisitorWorkList(VisitorWorkList &WL);
338 void EnqueueWorkList(VisitorWorkList &WL, Stmt *S);
339 LLVM_ATTRIBUTE_NOINLINE bool Visit(Stmt *S);
342 } // end anonymous namespace
344 static SourceRange getRawCursorExtent(CXCursor C);
345 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr);
348 RangeComparisonResult CursorVisitor::CompareRegionOfInterest(SourceRange R) {
349 return RangeCompare(AU->getSourceManager(), R, RegionOfInterest);
352 /// \brief Visit the given cursor and, if requested by the visitor,
355 /// \param Cursor the cursor to visit.
357 /// \param CheckRegionOfInterest if true, then the caller already checked that
358 /// this cursor is within the region of interest.
360 /// \returns true if the visitation should be aborted, false if it
362 bool CursorVisitor::Visit(CXCursor Cursor, bool CheckedRegionOfInterest) {
363 if (clang_isInvalid(Cursor.kind))
366 if (clang_isDeclaration(Cursor.kind)) {
367 Decl *D = getCursorDecl(Cursor);
368 assert(D && "Invalid declaration cursor");
369 // Ignore implicit declarations, unless it's an objc method because
370 // currently we should report implicit methods for properties when indexing.
371 if (D->isImplicit() && !isa<ObjCMethodDecl>(D))
375 // If we have a range of interest, and this cursor doesn't intersect with it,
377 if (RegionOfInterest.isValid() && !CheckedRegionOfInterest) {
378 SourceRange Range = getRawCursorExtent(Cursor);
379 if (Range.isInvalid() || CompareRegionOfInterest(Range))
383 switch (Visitor(Cursor, Parent, ClientData)) {
384 case CXChildVisit_Break:
387 case CXChildVisit_Continue:
390 case CXChildVisit_Recurse:
391 return VisitChildren(Cursor);
397 bool CursorVisitor::visitPreprocessedEntitiesInRegion() {
398 PreprocessingRecord &PPRec
399 = *AU->getPreprocessor().getPreprocessingRecord();
401 if (RegionOfInterest.isValid()) {
402 SourceRange MappedRange = AU->mapRangeToPreamble(RegionOfInterest);
403 std::pair<PreprocessingRecord::iterator, PreprocessingRecord::iterator>
404 Entities = PPRec.getPreprocessedEntitiesInRange(MappedRange);
405 return visitPreprocessedEntities(Entities.first, Entities.second);
409 = !AU->isMainFileAST() && AU->getOnlyLocalDecls();
412 return visitPreprocessedEntities(PPRec.local_begin(), PPRec.local_end());
414 return visitPreprocessedEntities(PPRec.begin(), PPRec.end());
417 template<typename InputIterator>
418 bool CursorVisitor::visitPreprocessedEntities(InputIterator First,
419 InputIterator Last) {
420 for (; First != Last; ++First) {
421 if (MacroExpansion *ME = dyn_cast<MacroExpansion>(*First)) {
422 if (Visit(MakeMacroExpansionCursor(ME, TU)))
428 if (MacroDefinition *MD = dyn_cast<MacroDefinition>(*First)) {
429 if (Visit(MakeMacroDefinitionCursor(MD, TU)))
435 if (InclusionDirective *ID = dyn_cast<InclusionDirective>(*First)) {
436 if (Visit(MakeInclusionDirectiveCursor(ID, TU)))
446 /// \brief Visit the children of the given cursor.
448 /// \returns true if the visitation should be aborted, false if it
450 bool CursorVisitor::VisitChildren(CXCursor Cursor) {
451 if (clang_isReference(Cursor.kind) &&
452 Cursor.kind != CXCursor_CXXBaseSpecifier) {
453 // By definition, references have no children.
457 // Set the Parent field to Cursor, then back to its old value once we're
459 SetParentRAII SetParent(Parent, StmtParent, Cursor);
461 if (clang_isDeclaration(Cursor.kind)) {
462 Decl *D = getCursorDecl(Cursor);
466 return VisitAttributes(D) || Visit(D);
469 if (clang_isStatement(Cursor.kind)) {
470 if (Stmt *S = getCursorStmt(Cursor))
476 if (clang_isExpression(Cursor.kind)) {
477 if (Expr *E = getCursorExpr(Cursor))
483 if (clang_isTranslationUnit(Cursor.kind)) {
484 CXTranslationUnit tu = getCursorTU(Cursor);
485 ASTUnit *CXXUnit = static_cast<ASTUnit*>(tu->TUData);
487 int VisitOrder[2] = { VisitPreprocessorLast, !VisitPreprocessorLast };
488 for (unsigned I = 0; I != 2; ++I) {
490 if (!CXXUnit->isMainFileAST() && CXXUnit->getOnlyLocalDecls() &&
491 RegionOfInterest.isInvalid()) {
492 for (ASTUnit::top_level_iterator TL = CXXUnit->top_level_begin(),
493 TLEnd = CXXUnit->top_level_end();
495 if (Visit(MakeCXCursor(*TL, tu, RegionOfInterest), true))
498 } else if (VisitDeclContext(
499 CXXUnit->getASTContext().getTranslationUnitDecl()))
504 // Walk the preprocessing record.
505 if (CXXUnit->getPreprocessor().getPreprocessingRecord())
506 visitPreprocessedEntitiesInRegion();
512 if (Cursor.kind == CXCursor_CXXBaseSpecifier) {
513 if (CXXBaseSpecifier *Base = getCursorCXXBaseSpecifier(Cursor)) {
514 if (TypeSourceInfo *BaseTSInfo = Base->getTypeSourceInfo()) {
515 return Visit(BaseTSInfo->getTypeLoc());
520 if (Cursor.kind == CXCursor_IBOutletCollectionAttr) {
521 IBOutletCollectionAttr *A =
522 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(Cursor));
523 if (const ObjCInterfaceType *InterT = A->getInterface()->getAs<ObjCInterfaceType>())
524 return Visit(cxcursor::MakeCursorObjCClassRef(InterT->getInterface(),
525 A->getInterfaceLoc(), TU));
528 // Nothing to visit at the moment.
532 bool CursorVisitor::VisitBlockDecl(BlockDecl *B) {
533 if (TypeSourceInfo *TSInfo = B->getSignatureAsWritten())
534 if (Visit(TSInfo->getTypeLoc()))
537 if (Stmt *Body = B->getBody())
538 return Visit(MakeCXCursor(Body, StmtParent, TU, RegionOfInterest));
543 llvm::Optional<bool> CursorVisitor::shouldVisitCursor(CXCursor Cursor) {
544 if (RegionOfInterest.isValid()) {
545 SourceRange Range = getFullCursorExtent(Cursor, AU->getSourceManager());
546 if (Range.isInvalid())
547 return llvm::Optional<bool>();
549 switch (CompareRegionOfInterest(Range)) {
551 // This declaration comes before the region of interest; skip it.
552 return llvm::Optional<bool>();
555 // This declaration comes after the region of interest; we're done.
559 // This declaration overlaps the region of interest; visit it.
566 bool CursorVisitor::VisitDeclContext(DeclContext *DC) {
567 DeclContext::decl_iterator I = DC->decls_begin(), E = DC->decls_end();
569 // FIXME: Eventually remove. This part of a hack to support proper
570 // iteration over all Decls contained lexically within an ObjC container.
571 SaveAndRestore<DeclContext::decl_iterator*> DI_saved(DI_current, &I);
572 SaveAndRestore<DeclContext::decl_iterator> DE_saved(DE_current, E);
574 for ( ; I != E; ++I) {
576 if (D->getLexicalDeclContext() != DC)
578 CXCursor Cursor = MakeCXCursor(D, TU, RegionOfInterest);
579 const llvm::Optional<bool> &V = shouldVisitCursor(Cursor);
584 if (Visit(Cursor, true))
590 bool CursorVisitor::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
591 llvm_unreachable("Translation units are visited directly by Visit()");
595 bool CursorVisitor::VisitTypeAliasDecl(TypeAliasDecl *D) {
596 if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
597 return Visit(TSInfo->getTypeLoc());
602 bool CursorVisitor::VisitTypedefDecl(TypedefDecl *D) {
603 if (TypeSourceInfo *TSInfo = D->getTypeSourceInfo())
604 return Visit(TSInfo->getTypeLoc());
609 bool CursorVisitor::VisitTagDecl(TagDecl *D) {
610 return VisitDeclContext(D);
613 bool CursorVisitor::VisitClassTemplateSpecializationDecl(
614 ClassTemplateSpecializationDecl *D) {
615 bool ShouldVisitBody = false;
616 switch (D->getSpecializationKind()) {
618 case TSK_ImplicitInstantiation:
622 case TSK_ExplicitInstantiationDeclaration:
623 case TSK_ExplicitInstantiationDefinition:
626 case TSK_ExplicitSpecialization:
627 ShouldVisitBody = true;
631 // Visit the template arguments used in the specialization.
632 if (TypeSourceInfo *SpecType = D->getTypeAsWritten()) {
633 TypeLoc TL = SpecType->getTypeLoc();
634 if (TemplateSpecializationTypeLoc *TSTLoc
635 = dyn_cast<TemplateSpecializationTypeLoc>(&TL)) {
636 for (unsigned I = 0, N = TSTLoc->getNumArgs(); I != N; ++I)
637 if (VisitTemplateArgumentLoc(TSTLoc->getArgLoc(I)))
642 if (ShouldVisitBody && VisitCXXRecordDecl(D))
648 bool CursorVisitor::VisitClassTemplatePartialSpecializationDecl(
649 ClassTemplatePartialSpecializationDecl *D) {
650 // FIXME: Visit the "outer" template parameter lists on the TagDecl
651 // before visiting these template parameters.
652 if (VisitTemplateParameters(D->getTemplateParameters()))
655 // Visit the partial specialization arguments.
656 const TemplateArgumentLoc *TemplateArgs = D->getTemplateArgsAsWritten();
657 for (unsigned I = 0, N = D->getNumTemplateArgsAsWritten(); I != N; ++I)
658 if (VisitTemplateArgumentLoc(TemplateArgs[I]))
661 return VisitCXXRecordDecl(D);
664 bool CursorVisitor::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
665 // Visit the default argument.
666 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
667 if (TypeSourceInfo *DefArg = D->getDefaultArgumentInfo())
668 if (Visit(DefArg->getTypeLoc()))
674 bool CursorVisitor::VisitEnumConstantDecl(EnumConstantDecl *D) {
675 if (Expr *Init = D->getInitExpr())
676 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
680 bool CursorVisitor::VisitDeclaratorDecl(DeclaratorDecl *DD) {
681 if (TypeSourceInfo *TSInfo = DD->getTypeSourceInfo())
682 if (Visit(TSInfo->getTypeLoc()))
685 // Visit the nested-name-specifier, if present.
686 if (NestedNameSpecifierLoc QualifierLoc = DD->getQualifierLoc())
687 if (VisitNestedNameSpecifierLoc(QualifierLoc))
693 /// \brief Compare two base or member initializers based on their source order.
694 static int CompareCXXCtorInitializers(const void* Xp, const void *Yp) {
695 CXXCtorInitializer const * const *X
696 = static_cast<CXXCtorInitializer const * const *>(Xp);
697 CXXCtorInitializer const * const *Y
698 = static_cast<CXXCtorInitializer const * const *>(Yp);
700 if ((*X)->getSourceOrder() < (*Y)->getSourceOrder())
702 else if ((*X)->getSourceOrder() > (*Y)->getSourceOrder())
708 bool CursorVisitor::VisitFunctionDecl(FunctionDecl *ND) {
709 if (TypeSourceInfo *TSInfo = ND->getTypeSourceInfo()) {
710 // Visit the function declaration's syntactic components in the order
711 // written. This requires a bit of work.
712 TypeLoc TL = TSInfo->getTypeLoc().IgnoreParens();
713 FunctionTypeLoc *FTL = dyn_cast<FunctionTypeLoc>(&TL);
715 // If we have a function declared directly (without the use of a typedef),
716 // visit just the return type. Otherwise, just visit the function's type
718 if ((FTL && !isa<CXXConversionDecl>(ND) && Visit(FTL->getResultLoc())) ||
722 // Visit the nested-name-specifier, if present.
723 if (NestedNameSpecifierLoc QualifierLoc = ND->getQualifierLoc())
724 if (VisitNestedNameSpecifierLoc(QualifierLoc))
727 // Visit the declaration name.
728 if (VisitDeclarationNameInfo(ND->getNameInfo()))
731 // FIXME: Visit explicitly-specified template arguments!
733 // Visit the function parameters, if we have a function type.
734 if (FTL && VisitFunctionTypeLoc(*FTL, true))
737 // FIXME: Attributes?
740 if (ND->doesThisDeclarationHaveABody() && !ND->isLateTemplateParsed()) {
741 if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(ND)) {
742 // Find the initializers that were written in the source.
743 SmallVector<CXXCtorInitializer *, 4> WrittenInits;
744 for (CXXConstructorDecl::init_iterator I = Constructor->init_begin(),
745 IEnd = Constructor->init_end();
747 if (!(*I)->isWritten())
750 WrittenInits.push_back(*I);
753 // Sort the initializers in source order
754 llvm::array_pod_sort(WrittenInits.begin(), WrittenInits.end(),
755 &CompareCXXCtorInitializers);
757 // Visit the initializers in source order
758 for (unsigned I = 0, N = WrittenInits.size(); I != N; ++I) {
759 CXXCtorInitializer *Init = WrittenInits[I];
760 if (Init->isAnyMemberInitializer()) {
761 if (Visit(MakeCursorMemberRef(Init->getAnyMember(),
762 Init->getMemberLocation(), TU)))
764 } else if (TypeSourceInfo *BaseInfo = Init->getBaseClassInfo()) {
765 if (Visit(BaseInfo->getTypeLoc()))
769 // Visit the initializer value.
770 if (Expr *Initializer = Init->getInit())
771 if (Visit(MakeCXCursor(Initializer, ND, TU, RegionOfInterest)))
776 if (Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest)))
783 bool CursorVisitor::VisitFieldDecl(FieldDecl *D) {
784 if (VisitDeclaratorDecl(D))
787 if (Expr *BitWidth = D->getBitWidth())
788 return Visit(MakeCXCursor(BitWidth, StmtParent, TU, RegionOfInterest));
793 bool CursorVisitor::VisitVarDecl(VarDecl *D) {
794 if (VisitDeclaratorDecl(D))
797 if (Expr *Init = D->getInit())
798 return Visit(MakeCXCursor(Init, StmtParent, TU, RegionOfInterest));
803 bool CursorVisitor::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
804 if (VisitDeclaratorDecl(D))
807 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited())
808 if (Expr *DefArg = D->getDefaultArgument())
809 return Visit(MakeCXCursor(DefArg, StmtParent, TU, RegionOfInterest));
814 bool CursorVisitor::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
815 // FIXME: Visit the "outer" template parameter lists on the FunctionDecl
816 // before visiting these template parameters.
817 if (VisitTemplateParameters(D->getTemplateParameters()))
820 return VisitFunctionDecl(D->getTemplatedDecl());
823 bool CursorVisitor::VisitClassTemplateDecl(ClassTemplateDecl *D) {
824 // FIXME: Visit the "outer" template parameter lists on the TagDecl
825 // before visiting these template parameters.
826 if (VisitTemplateParameters(D->getTemplateParameters()))
829 return VisitCXXRecordDecl(D->getTemplatedDecl());
832 bool CursorVisitor::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
833 if (VisitTemplateParameters(D->getTemplateParameters()))
836 if (D->hasDefaultArgument() && !D->defaultArgumentWasInherited() &&
837 VisitTemplateArgumentLoc(D->getDefaultArgument()))
843 bool CursorVisitor::VisitObjCMethodDecl(ObjCMethodDecl *ND) {
844 if (TypeSourceInfo *TSInfo = ND->getResultTypeSourceInfo())
845 if (Visit(TSInfo->getTypeLoc()))
848 for (ObjCMethodDecl::param_iterator P = ND->param_begin(),
849 PEnd = ND->param_end();
851 if (Visit(MakeCXCursor(*P, TU, RegionOfInterest)))
855 if (ND->isThisDeclarationADefinition() &&
856 Visit(MakeCXCursor(ND->getBody(), StmtParent, TU, RegionOfInterest)))
863 struct ContainerDeclsSort {
865 ContainerDeclsSort(SourceManager &sm) : SM(sm) {}
866 bool operator()(Decl *A, Decl *B) {
867 SourceLocation L_A = A->getLocStart();
868 SourceLocation L_B = B->getLocStart();
869 assert(L_A.isValid() && L_B.isValid());
870 return SM.isBeforeInTranslationUnit(L_A, L_B);
875 bool CursorVisitor::VisitObjCContainerDecl(ObjCContainerDecl *D) {
876 // FIXME: Eventually convert back to just 'VisitDeclContext()'. Essentially
877 // an @implementation can lexically contain Decls that are not properly
878 // nested in the AST. When we identify such cases, we need to retrofit
879 // this nesting here.
881 return VisitDeclContext(D);
883 // Scan the Decls that immediately come after the container
884 // in the current DeclContext. If any fall within the
885 // container's lexical region, stash them into a vector
886 // for later processing.
887 SmallVector<Decl *, 24> DeclsInContainer;
888 SourceLocation EndLoc = D->getSourceRange().getEnd();
889 SourceManager &SM = AU->getSourceManager();
890 if (EndLoc.isValid()) {
891 DeclContext::decl_iterator next = *DI_current;
892 while (++next != DE_current) {
893 Decl *D_next = *next;
896 SourceLocation L = D_next->getLocStart();
899 if (SM.isBeforeInTranslationUnit(L, EndLoc)) {
901 DeclsInContainer.push_back(D_next);
909 if (DeclsInContainer.empty())
910 return VisitDeclContext(D);
912 // Get all the Decls in the DeclContext, and sort them with the
913 // additional ones we've collected. Then visit them.
914 for (DeclContext::decl_iterator I = D->decls_begin(), E = D->decls_end();
917 if (!subDecl || subDecl->getLexicalDeclContext() != D ||
918 subDecl->getLocStart().isInvalid())
920 DeclsInContainer.push_back(subDecl);
923 // Now sort the Decls so that they appear in lexical order.
924 std::sort(DeclsInContainer.begin(), DeclsInContainer.end(),
925 ContainerDeclsSort(SM));
927 // Now visit the decls.
928 for (SmallVectorImpl<Decl*>::iterator I = DeclsInContainer.begin(),
929 E = DeclsInContainer.end(); I != E; ++I) {
930 CXCursor Cursor = MakeCXCursor(*I, TU, RegionOfInterest);
931 const llvm::Optional<bool> &V = shouldVisitCursor(Cursor);
936 if (Visit(Cursor, true))
942 bool CursorVisitor::VisitObjCCategoryDecl(ObjCCategoryDecl *ND) {
943 if (Visit(MakeCursorObjCClassRef(ND->getClassInterface(), ND->getLocation(),
947 ObjCCategoryDecl::protocol_loc_iterator PL = ND->protocol_loc_begin();
948 for (ObjCCategoryDecl::protocol_iterator I = ND->protocol_begin(),
949 E = ND->protocol_end(); I != E; ++I, ++PL)
950 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
953 return VisitObjCContainerDecl(ND);
956 bool CursorVisitor::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
957 ObjCProtocolDecl::protocol_loc_iterator PL = PID->protocol_loc_begin();
958 for (ObjCProtocolDecl::protocol_iterator I = PID->protocol_begin(),
959 E = PID->protocol_end(); I != E; ++I, ++PL)
960 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
963 return VisitObjCContainerDecl(PID);
966 bool CursorVisitor::VisitObjCPropertyDecl(ObjCPropertyDecl *PD) {
967 if (PD->getTypeSourceInfo() && Visit(PD->getTypeSourceInfo()->getTypeLoc()))
970 // FIXME: This implements a workaround with @property declarations also being
971 // installed in the DeclContext for the @interface. Eventually this code
972 // should be removed.
973 ObjCCategoryDecl *CDecl = dyn_cast<ObjCCategoryDecl>(PD->getDeclContext());
974 if (!CDecl || !CDecl->IsClassExtension())
977 ObjCInterfaceDecl *ID = CDecl->getClassInterface();
981 IdentifierInfo *PropertyId = PD->getIdentifier();
982 ObjCPropertyDecl *prevDecl =
983 ObjCPropertyDecl::findPropertyDecl(cast<DeclContext>(ID), PropertyId);
988 // Visit synthesized methods since they will be skipped when visiting
990 if (ObjCMethodDecl *MD = prevDecl->getGetterMethodDecl())
991 if (MD->isSynthesized() && MD->getLexicalDeclContext() == CDecl)
992 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
995 if (ObjCMethodDecl *MD = prevDecl->getSetterMethodDecl())
996 if (MD->isSynthesized() && MD->getLexicalDeclContext() == CDecl)
997 if (Visit(MakeCXCursor(MD, TU, RegionOfInterest)))
1003 bool CursorVisitor::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) {
1004 // Issue callbacks for super class.
1005 if (D->getSuperClass() &&
1006 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1007 D->getSuperClassLoc(),
1011 ObjCInterfaceDecl::protocol_loc_iterator PL = D->protocol_loc_begin();
1012 for (ObjCInterfaceDecl::protocol_iterator I = D->protocol_begin(),
1013 E = D->protocol_end(); I != E; ++I, ++PL)
1014 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1017 return VisitObjCContainerDecl(D);
1020 bool CursorVisitor::VisitObjCImplDecl(ObjCImplDecl *D) {
1021 return VisitObjCContainerDecl(D);
1024 bool CursorVisitor::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
1025 // 'ID' could be null when dealing with invalid code.
1026 if (ObjCInterfaceDecl *ID = D->getClassInterface())
1027 if (Visit(MakeCursorObjCClassRef(ID, D->getLocation(), TU)))
1030 return VisitObjCImplDecl(D);
1033 bool CursorVisitor::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
1035 // Issue callbacks for super class.
1036 // FIXME: No source location information!
1037 if (D->getSuperClass() &&
1038 Visit(MakeCursorObjCSuperClassRef(D->getSuperClass(),
1039 D->getSuperClassLoc(),
1044 return VisitObjCImplDecl(D);
1047 bool CursorVisitor::VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D) {
1048 ObjCForwardProtocolDecl::protocol_loc_iterator PL = D->protocol_loc_begin();
1049 for (ObjCForwardProtocolDecl::protocol_iterator I = D->protocol_begin(),
1050 E = D->protocol_end();
1052 if (Visit(MakeCursorObjCProtocolRef(*I, *PL, TU)))
1058 bool CursorVisitor::VisitObjCClassDecl(ObjCClassDecl *D) {
1059 if (Visit(MakeCursorObjCClassRef(D->getForwardInterfaceDecl(),
1060 D->getForwardDecl()->getLocation(), TU)))
1065 bool CursorVisitor::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PD) {
1066 if (ObjCIvarDecl *Ivar = PD->getPropertyIvarDecl())
1067 return Visit(MakeCursorMemberRef(Ivar, PD->getPropertyIvarDeclLoc(), TU));
1072 bool CursorVisitor::VisitNamespaceDecl(NamespaceDecl *D) {
1073 return VisitDeclContext(D);
1076 bool CursorVisitor::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
1077 // Visit nested-name-specifier.
1078 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1079 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1082 return Visit(MakeCursorNamespaceRef(D->getAliasedNamespace(),
1083 D->getTargetNameLoc(), TU));
1086 bool CursorVisitor::VisitUsingDecl(UsingDecl *D) {
1087 // Visit nested-name-specifier.
1088 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1089 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1093 if (Visit(MakeCursorOverloadedDeclRef(D, D->getLocation(), TU)))
1096 return VisitDeclarationNameInfo(D->getNameInfo());
1099 bool CursorVisitor::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
1100 // Visit nested-name-specifier.
1101 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1102 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1105 return Visit(MakeCursorNamespaceRef(D->getNominatedNamespaceAsWritten(),
1106 D->getIdentLocation(), TU));
1109 bool CursorVisitor::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
1110 // Visit nested-name-specifier.
1111 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc()) {
1112 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1116 return VisitDeclarationNameInfo(D->getNameInfo());
1119 bool CursorVisitor::VisitUnresolvedUsingTypenameDecl(
1120 UnresolvedUsingTypenameDecl *D) {
1121 // Visit nested-name-specifier.
1122 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1123 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1129 bool CursorVisitor::VisitDeclarationNameInfo(DeclarationNameInfo Name) {
1130 switch (Name.getName().getNameKind()) {
1131 case clang::DeclarationName::Identifier:
1132 case clang::DeclarationName::CXXLiteralOperatorName:
1133 case clang::DeclarationName::CXXOperatorName:
1134 case clang::DeclarationName::CXXUsingDirective:
1137 case clang::DeclarationName::CXXConstructorName:
1138 case clang::DeclarationName::CXXDestructorName:
1139 case clang::DeclarationName::CXXConversionFunctionName:
1140 if (TypeSourceInfo *TSInfo = Name.getNamedTypeInfo())
1141 return Visit(TSInfo->getTypeLoc());
1144 case clang::DeclarationName::ObjCZeroArgSelector:
1145 case clang::DeclarationName::ObjCOneArgSelector:
1146 case clang::DeclarationName::ObjCMultiArgSelector:
1147 // FIXME: Per-identifier location info?
1154 bool CursorVisitor::VisitNestedNameSpecifier(NestedNameSpecifier *NNS,
1155 SourceRange Range) {
1156 // FIXME: This whole routine is a hack to work around the lack of proper
1157 // source information in nested-name-specifiers (PR5791). Since we do have
1158 // a beginning source location, we can visit the first component of the
1159 // nested-name-specifier, if it's a single-token component.
1163 // Get the first component in the nested-name-specifier.
1164 while (NestedNameSpecifier *Prefix = NNS->getPrefix())
1167 switch (NNS->getKind()) {
1168 case NestedNameSpecifier::Namespace:
1169 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(), Range.getBegin(),
1172 case NestedNameSpecifier::NamespaceAlias:
1173 return Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1174 Range.getBegin(), TU));
1176 case NestedNameSpecifier::TypeSpec: {
1177 // If the type has a form where we know that the beginning of the source
1178 // range matches up with a reference cursor. Visit the appropriate reference
1180 const Type *T = NNS->getAsType();
1181 if (const TypedefType *Typedef = dyn_cast<TypedefType>(T))
1182 return Visit(MakeCursorTypeRef(Typedef->getDecl(), Range.getBegin(), TU));
1183 if (const TagType *Tag = dyn_cast<TagType>(T))
1184 return Visit(MakeCursorTypeRef(Tag->getDecl(), Range.getBegin(), TU));
1185 if (const TemplateSpecializationType *TST
1186 = dyn_cast<TemplateSpecializationType>(T))
1187 return VisitTemplateName(TST->getTemplateName(), Range.getBegin());
1191 case NestedNameSpecifier::TypeSpecWithTemplate:
1192 case NestedNameSpecifier::Global:
1193 case NestedNameSpecifier::Identifier:
1201 CursorVisitor::VisitNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1202 SmallVector<NestedNameSpecifierLoc, 4> Qualifiers;
1203 for (; Qualifier; Qualifier = Qualifier.getPrefix())
1204 Qualifiers.push_back(Qualifier);
1206 while (!Qualifiers.empty()) {
1207 NestedNameSpecifierLoc Q = Qualifiers.pop_back_val();
1208 NestedNameSpecifier *NNS = Q.getNestedNameSpecifier();
1209 switch (NNS->getKind()) {
1210 case NestedNameSpecifier::Namespace:
1211 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespace(),
1212 Q.getLocalBeginLoc(),
1218 case NestedNameSpecifier::NamespaceAlias:
1219 if (Visit(MakeCursorNamespaceRef(NNS->getAsNamespaceAlias(),
1220 Q.getLocalBeginLoc(),
1226 case NestedNameSpecifier::TypeSpec:
1227 case NestedNameSpecifier::TypeSpecWithTemplate:
1228 if (Visit(Q.getTypeLoc()))
1233 case NestedNameSpecifier::Global:
1234 case NestedNameSpecifier::Identifier:
1242 bool CursorVisitor::VisitTemplateParameters(
1243 const TemplateParameterList *Params) {
1247 for (TemplateParameterList::const_iterator P = Params->begin(),
1248 PEnd = Params->end();
1250 if (Visit(MakeCXCursor(*P, TU, RegionOfInterest)))
1257 bool CursorVisitor::VisitTemplateName(TemplateName Name, SourceLocation Loc) {
1258 switch (Name.getKind()) {
1259 case TemplateName::Template:
1260 return Visit(MakeCursorTemplateRef(Name.getAsTemplateDecl(), Loc, TU));
1262 case TemplateName::OverloadedTemplate:
1263 // Visit the overloaded template set.
1264 if (Visit(MakeCursorOverloadedDeclRef(Name, Loc, TU)))
1269 case TemplateName::DependentTemplate:
1270 // FIXME: Visit nested-name-specifier.
1273 case TemplateName::QualifiedTemplate:
1274 // FIXME: Visit nested-name-specifier.
1275 return Visit(MakeCursorTemplateRef(
1276 Name.getAsQualifiedTemplateName()->getDecl(),
1279 case TemplateName::SubstTemplateTemplateParm:
1280 return Visit(MakeCursorTemplateRef(
1281 Name.getAsSubstTemplateTemplateParm()->getParameter(),
1284 case TemplateName::SubstTemplateTemplateParmPack:
1285 return Visit(MakeCursorTemplateRef(
1286 Name.getAsSubstTemplateTemplateParmPack()->getParameterPack(),
1293 bool CursorVisitor::VisitTemplateArgumentLoc(const TemplateArgumentLoc &TAL) {
1294 switch (TAL.getArgument().getKind()) {
1295 case TemplateArgument::Null:
1296 case TemplateArgument::Integral:
1297 case TemplateArgument::Pack:
1300 case TemplateArgument::Type:
1301 if (TypeSourceInfo *TSInfo = TAL.getTypeSourceInfo())
1302 return Visit(TSInfo->getTypeLoc());
1305 case TemplateArgument::Declaration:
1306 if (Expr *E = TAL.getSourceDeclExpression())
1307 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1310 case TemplateArgument::Expression:
1311 if (Expr *E = TAL.getSourceExpression())
1312 return Visit(MakeCXCursor(E, StmtParent, TU, RegionOfInterest));
1315 case TemplateArgument::Template:
1316 case TemplateArgument::TemplateExpansion:
1317 if (VisitNestedNameSpecifierLoc(TAL.getTemplateQualifierLoc()))
1320 return VisitTemplateName(TAL.getArgument().getAsTemplateOrTemplatePattern(),
1321 TAL.getTemplateNameLoc());
1327 bool CursorVisitor::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
1328 return VisitDeclContext(D);
1331 bool CursorVisitor::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) {
1332 return Visit(TL.getUnqualifiedLoc());
1335 bool CursorVisitor::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) {
1336 ASTContext &Context = AU->getASTContext();
1338 // Some builtin types (such as Objective-C's "id", "sel", and
1339 // "Class") have associated declarations. Create cursors for those.
1341 switch (TL.getType()->getAs<BuiltinType>()->getKind()) {
1342 case BuiltinType::Void:
1343 case BuiltinType::Bool:
1344 case BuiltinType::Char_U:
1345 case BuiltinType::UChar:
1346 case BuiltinType::Char16:
1347 case BuiltinType::Char32:
1348 case BuiltinType::UShort:
1349 case BuiltinType::UInt:
1350 case BuiltinType::ULong:
1351 case BuiltinType::ULongLong:
1352 case BuiltinType::UInt128:
1353 case BuiltinType::Char_S:
1354 case BuiltinType::SChar:
1355 case BuiltinType::WChar_U:
1356 case BuiltinType::WChar_S:
1357 case BuiltinType::Short:
1358 case BuiltinType::Int:
1359 case BuiltinType::Long:
1360 case BuiltinType::LongLong:
1361 case BuiltinType::Int128:
1362 case BuiltinType::Half:
1363 case BuiltinType::Float:
1364 case BuiltinType::Double:
1365 case BuiltinType::LongDouble:
1366 case BuiltinType::NullPtr:
1367 case BuiltinType::Overload:
1368 case BuiltinType::BoundMember:
1369 case BuiltinType::Dependent:
1370 case BuiltinType::UnknownAny:
1373 case BuiltinType::ObjCId:
1374 VisitType = Context.getObjCIdType();
1377 case BuiltinType::ObjCClass:
1378 VisitType = Context.getObjCClassType();
1381 case BuiltinType::ObjCSel:
1382 VisitType = Context.getObjCSelType();
1386 if (!VisitType.isNull()) {
1387 if (const TypedefType *Typedef = VisitType->getAs<TypedefType>())
1388 return Visit(MakeCursorTypeRef(Typedef->getDecl(), TL.getBuiltinLoc(),
1395 bool CursorVisitor::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
1396 return Visit(MakeCursorTypeRef(TL.getTypedefNameDecl(), TL.getNameLoc(), TU));
1399 bool CursorVisitor::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
1400 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1403 bool CursorVisitor::VisitTagTypeLoc(TagTypeLoc TL) {
1404 if (TL.isDefinition())
1405 return Visit(MakeCXCursor(TL.getDecl(), TU, RegionOfInterest));
1407 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1410 bool CursorVisitor::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
1411 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1414 bool CursorVisitor::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
1415 if (Visit(MakeCursorObjCClassRef(TL.getIFaceDecl(), TL.getNameLoc(), TU)))
1421 bool CursorVisitor::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
1422 if (TL.hasBaseTypeAsWritten() && Visit(TL.getBaseLoc()))
1425 for (unsigned I = 0, N = TL.getNumProtocols(); I != N; ++I) {
1426 if (Visit(MakeCursorObjCProtocolRef(TL.getProtocol(I), TL.getProtocolLoc(I),
1434 bool CursorVisitor::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
1435 return Visit(TL.getPointeeLoc());
1438 bool CursorVisitor::VisitParenTypeLoc(ParenTypeLoc TL) {
1439 return Visit(TL.getInnerLoc());
1442 bool CursorVisitor::VisitPointerTypeLoc(PointerTypeLoc TL) {
1443 return Visit(TL.getPointeeLoc());
1446 bool CursorVisitor::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
1447 return Visit(TL.getPointeeLoc());
1450 bool CursorVisitor::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
1451 return Visit(TL.getPointeeLoc());
1454 bool CursorVisitor::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
1455 return Visit(TL.getPointeeLoc());
1458 bool CursorVisitor::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
1459 return Visit(TL.getPointeeLoc());
1462 bool CursorVisitor::VisitAttributedTypeLoc(AttributedTypeLoc TL) {
1463 return Visit(TL.getModifiedLoc());
1466 bool CursorVisitor::VisitFunctionTypeLoc(FunctionTypeLoc TL,
1467 bool SkipResultType) {
1468 if (!SkipResultType && Visit(TL.getResultLoc()))
1471 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1472 if (Decl *D = TL.getArg(I))
1473 if (Visit(MakeCXCursor(D, TU, RegionOfInterest)))
1479 bool CursorVisitor::VisitArrayTypeLoc(ArrayTypeLoc TL) {
1480 if (Visit(TL.getElementLoc()))
1483 if (Expr *Size = TL.getSizeExpr())
1484 return Visit(MakeCXCursor(Size, StmtParent, TU, RegionOfInterest));
1489 bool CursorVisitor::VisitTemplateSpecializationTypeLoc(
1490 TemplateSpecializationTypeLoc TL) {
1491 // Visit the template name.
1492 if (VisitTemplateName(TL.getTypePtr()->getTemplateName(),
1493 TL.getTemplateNameLoc()))
1496 // Visit the template arguments.
1497 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1498 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1504 bool CursorVisitor::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
1505 return Visit(MakeCXCursor(TL.getUnderlyingExpr(), StmtParent, TU));
1508 bool CursorVisitor::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
1509 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1510 return Visit(TSInfo->getTypeLoc());
1515 bool CursorVisitor::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) {
1516 if (TypeSourceInfo *TSInfo = TL.getUnderlyingTInfo())
1517 return Visit(TSInfo->getTypeLoc());
1522 bool CursorVisitor::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) {
1523 if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1529 bool CursorVisitor::VisitDependentTemplateSpecializationTypeLoc(
1530 DependentTemplateSpecializationTypeLoc TL) {
1531 // Visit the nested-name-specifier, if there is one.
1532 if (TL.getQualifierLoc() &&
1533 VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1536 // Visit the template arguments.
1537 for (unsigned I = 0, N = TL.getNumArgs(); I != N; ++I)
1538 if (VisitTemplateArgumentLoc(TL.getArgLoc(I)))
1544 bool CursorVisitor::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
1545 if (VisitNestedNameSpecifierLoc(TL.getQualifierLoc()))
1548 return Visit(TL.getNamedTypeLoc());
1551 bool CursorVisitor::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) {
1552 return Visit(TL.getPatternLoc());
1555 bool CursorVisitor::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
1556 if (Expr *E = TL.getUnderlyingExpr())
1557 return Visit(MakeCXCursor(E, StmtParent, TU));
1562 bool CursorVisitor::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) {
1563 return Visit(MakeCursorTypeRef(TL.getDecl(), TL.getNameLoc(), TU));
1566 bool CursorVisitor::VisitAtomicTypeLoc(AtomicTypeLoc TL) {
1567 return Visit(TL.getValueLoc());
1570 #define DEFAULT_TYPELOC_IMPL(CLASS, PARENT) \
1571 bool CursorVisitor::Visit##CLASS##TypeLoc(CLASS##TypeLoc TL) { \
1572 return Visit##PARENT##Loc(TL); \
1575 DEFAULT_TYPELOC_IMPL(Complex, Type)
1576 DEFAULT_TYPELOC_IMPL(ConstantArray, ArrayType)
1577 DEFAULT_TYPELOC_IMPL(IncompleteArray, ArrayType)
1578 DEFAULT_TYPELOC_IMPL(VariableArray, ArrayType)
1579 DEFAULT_TYPELOC_IMPL(DependentSizedArray, ArrayType)
1580 DEFAULT_TYPELOC_IMPL(DependentSizedExtVector, Type)
1581 DEFAULT_TYPELOC_IMPL(Vector, Type)
1582 DEFAULT_TYPELOC_IMPL(ExtVector, VectorType)
1583 DEFAULT_TYPELOC_IMPL(FunctionProto, FunctionType)
1584 DEFAULT_TYPELOC_IMPL(FunctionNoProto, FunctionType)
1585 DEFAULT_TYPELOC_IMPL(Record, TagType)
1586 DEFAULT_TYPELOC_IMPL(Enum, TagType)
1587 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParm, Type)
1588 DEFAULT_TYPELOC_IMPL(SubstTemplateTypeParmPack, Type)
1589 DEFAULT_TYPELOC_IMPL(Auto, Type)
1591 bool CursorVisitor::VisitCXXRecordDecl(CXXRecordDecl *D) {
1592 // Visit the nested-name-specifier, if present.
1593 if (NestedNameSpecifierLoc QualifierLoc = D->getQualifierLoc())
1594 if (VisitNestedNameSpecifierLoc(QualifierLoc))
1597 if (D->isCompleteDefinition()) {
1598 for (CXXRecordDecl::base_class_iterator I = D->bases_begin(),
1599 E = D->bases_end(); I != E; ++I) {
1600 if (Visit(cxcursor::MakeCursorCXXBaseSpecifier(I, TU)))
1605 return VisitTagDecl(D);
1608 bool CursorVisitor::VisitAttributes(Decl *D) {
1609 for (AttrVec::const_iterator i = D->attr_begin(), e = D->attr_end();
1611 if (Visit(MakeCXCursor(*i, D, TU)))
1617 //===----------------------------------------------------------------------===//
1618 // Data-recursive visitor methods.
1619 //===----------------------------------------------------------------------===//
1622 #define DEF_JOB(NAME, DATA, KIND)\
1623 class NAME : public VisitorJob {\
1625 NAME(DATA *d, CXCursor parent) : VisitorJob(parent, VisitorJob::KIND, d) {} \
1626 static bool classof(const VisitorJob *VJ) { return VJ->getKind() == KIND; }\
1627 DATA *get() const { return static_cast<DATA*>(data[0]); }\
1630 DEF_JOB(StmtVisit, Stmt, StmtVisitKind)
1631 DEF_JOB(MemberExprParts, MemberExpr, MemberExprPartsKind)
1632 DEF_JOB(DeclRefExprParts, DeclRefExpr, DeclRefExprPartsKind)
1633 DEF_JOB(OverloadExprParts, OverloadExpr, OverloadExprPartsKind)
1634 DEF_JOB(ExplicitTemplateArgsVisit, ASTTemplateArgumentListInfo,
1635 ExplicitTemplateArgsVisitKind)
1636 DEF_JOB(SizeOfPackExprParts, SizeOfPackExpr, SizeOfPackExprPartsKind)
1639 class DeclVisit : public VisitorJob {
1641 DeclVisit(Decl *d, CXCursor parent, bool isFirst) :
1642 VisitorJob(parent, VisitorJob::DeclVisitKind,
1643 d, isFirst ? (void*) 1 : (void*) 0) {}
1644 static bool classof(const VisitorJob *VJ) {
1645 return VJ->getKind() == DeclVisitKind;
1647 Decl *get() const { return static_cast<Decl*>(data[0]); }
1648 bool isFirst() const { return data[1] ? true : false; }
1650 class TypeLocVisit : public VisitorJob {
1652 TypeLocVisit(TypeLoc tl, CXCursor parent) :
1653 VisitorJob(parent, VisitorJob::TypeLocVisitKind,
1654 tl.getType().getAsOpaquePtr(), tl.getOpaqueData()) {}
1656 static bool classof(const VisitorJob *VJ) {
1657 return VJ->getKind() == TypeLocVisitKind;
1660 TypeLoc get() const {
1661 QualType T = QualType::getFromOpaquePtr(data[0]);
1662 return TypeLoc(T, data[1]);
1666 class LabelRefVisit : public VisitorJob {
1668 LabelRefVisit(LabelDecl *LD, SourceLocation labelLoc, CXCursor parent)
1669 : VisitorJob(parent, VisitorJob::LabelRefVisitKind, LD,
1670 labelLoc.getPtrEncoding()) {}
1672 static bool classof(const VisitorJob *VJ) {
1673 return VJ->getKind() == VisitorJob::LabelRefVisitKind;
1675 LabelDecl *get() const { return static_cast<LabelDecl*>(data[0]); }
1676 SourceLocation getLoc() const {
1677 return SourceLocation::getFromPtrEncoding(data[1]); }
1680 class NestedNameSpecifierLocVisit : public VisitorJob {
1682 NestedNameSpecifierLocVisit(NestedNameSpecifierLoc Qualifier, CXCursor parent)
1683 : VisitorJob(parent, VisitorJob::NestedNameSpecifierLocVisitKind,
1684 Qualifier.getNestedNameSpecifier(),
1685 Qualifier.getOpaqueData()) { }
1687 static bool classof(const VisitorJob *VJ) {
1688 return VJ->getKind() == VisitorJob::NestedNameSpecifierLocVisitKind;
1691 NestedNameSpecifierLoc get() const {
1692 return NestedNameSpecifierLoc(static_cast<NestedNameSpecifier*>(data[0]),
1697 class DeclarationNameInfoVisit : public VisitorJob {
1699 DeclarationNameInfoVisit(Stmt *S, CXCursor parent)
1700 : VisitorJob(parent, VisitorJob::DeclarationNameInfoVisitKind, S) {}
1701 static bool classof(const VisitorJob *VJ) {
1702 return VJ->getKind() == VisitorJob::DeclarationNameInfoVisitKind;
1704 DeclarationNameInfo get() const {
1705 Stmt *S = static_cast<Stmt*>(data[0]);
1706 switch (S->getStmtClass()) {
1708 llvm_unreachable("Unhandled Stmt");
1709 case Stmt::CXXDependentScopeMemberExprClass:
1710 return cast<CXXDependentScopeMemberExpr>(S)->getMemberNameInfo();
1711 case Stmt::DependentScopeDeclRefExprClass:
1712 return cast<DependentScopeDeclRefExpr>(S)->getNameInfo();
1716 class MemberRefVisit : public VisitorJob {
1718 MemberRefVisit(FieldDecl *D, SourceLocation L, CXCursor parent)
1719 : VisitorJob(parent, VisitorJob::MemberRefVisitKind, D,
1720 L.getPtrEncoding()) {}
1721 static bool classof(const VisitorJob *VJ) {
1722 return VJ->getKind() == VisitorJob::MemberRefVisitKind;
1724 FieldDecl *get() const {
1725 return static_cast<FieldDecl*>(data[0]);
1727 SourceLocation getLoc() const {
1728 return SourceLocation::getFromRawEncoding((unsigned)(uintptr_t) data[1]);
1731 class EnqueueVisitor : public StmtVisitor<EnqueueVisitor, void> {
1732 VisitorWorkList &WL;
1735 EnqueueVisitor(VisitorWorkList &wl, CXCursor parent)
1736 : WL(wl), Parent(parent) {}
1738 void VisitAddrLabelExpr(AddrLabelExpr *E);
1739 void VisitBlockExpr(BlockExpr *B);
1740 void VisitCompoundLiteralExpr(CompoundLiteralExpr *E);
1741 void VisitCompoundStmt(CompoundStmt *S);
1742 void VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) { /* Do nothing. */ }
1743 void VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E);
1744 void VisitCXXNewExpr(CXXNewExpr *E);
1745 void VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E);
1746 void VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E);
1747 void VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E);
1748 void VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E);
1749 void VisitCXXTypeidExpr(CXXTypeidExpr *E);
1750 void VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E);
1751 void VisitCXXUuidofExpr(CXXUuidofExpr *E);
1752 void VisitDeclRefExpr(DeclRefExpr *D);
1753 void VisitDeclStmt(DeclStmt *S);
1754 void VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E);
1755 void VisitDesignatedInitExpr(DesignatedInitExpr *E);
1756 void VisitExplicitCastExpr(ExplicitCastExpr *E);
1757 void VisitForStmt(ForStmt *FS);
1758 void VisitGotoStmt(GotoStmt *GS);
1759 void VisitIfStmt(IfStmt *If);
1760 void VisitInitListExpr(InitListExpr *IE);
1761 void VisitMemberExpr(MemberExpr *M);
1762 void VisitOffsetOfExpr(OffsetOfExpr *E);
1763 void VisitObjCEncodeExpr(ObjCEncodeExpr *E);
1764 void VisitObjCMessageExpr(ObjCMessageExpr *M);
1765 void VisitOverloadExpr(OverloadExpr *E);
1766 void VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E);
1767 void VisitStmt(Stmt *S);
1768 void VisitSwitchStmt(SwitchStmt *S);
1769 void VisitWhileStmt(WhileStmt *W);
1770 void VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E);
1771 void VisitBinaryTypeTraitExpr(BinaryTypeTraitExpr *E);
1772 void VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E);
1773 void VisitExpressionTraitExpr(ExpressionTraitExpr *E);
1774 void VisitUnresolvedMemberExpr(UnresolvedMemberExpr *U);
1775 void VisitVAArgExpr(VAArgExpr *E);
1776 void VisitSizeOfPackExpr(SizeOfPackExpr *E);
1779 void AddDeclarationNameInfo(Stmt *S);
1780 void AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier);
1781 void AddExplicitTemplateArgs(const ASTTemplateArgumentListInfo *A);
1782 void AddMemberRef(FieldDecl *D, SourceLocation L);
1783 void AddStmt(Stmt *S);
1784 void AddDecl(Decl *D, bool isFirst = true);
1785 void AddTypeLoc(TypeSourceInfo *TI);
1786 void EnqueueChildren(Stmt *S);
1788 } // end anonyous namespace
1790 void EnqueueVisitor::AddDeclarationNameInfo(Stmt *S) {
1791 // 'S' should always be non-null, since it comes from the
1792 // statement we are visiting.
1793 WL.push_back(DeclarationNameInfoVisit(S, Parent));
1797 EnqueueVisitor::AddNestedNameSpecifierLoc(NestedNameSpecifierLoc Qualifier) {
1799 WL.push_back(NestedNameSpecifierLocVisit(Qualifier, Parent));
1802 void EnqueueVisitor::AddStmt(Stmt *S) {
1804 WL.push_back(StmtVisit(S, Parent));
1806 void EnqueueVisitor::AddDecl(Decl *D, bool isFirst) {
1808 WL.push_back(DeclVisit(D, Parent, isFirst));
1810 void EnqueueVisitor::
1811 AddExplicitTemplateArgs(const ASTTemplateArgumentListInfo *A) {
1813 WL.push_back(ExplicitTemplateArgsVisit(
1814 const_cast<ASTTemplateArgumentListInfo*>(A), Parent));
1816 void EnqueueVisitor::AddMemberRef(FieldDecl *D, SourceLocation L) {
1818 WL.push_back(MemberRefVisit(D, L, Parent));
1820 void EnqueueVisitor::AddTypeLoc(TypeSourceInfo *TI) {
1822 WL.push_back(TypeLocVisit(TI->getTypeLoc(), Parent));
1824 void EnqueueVisitor::EnqueueChildren(Stmt *S) {
1825 unsigned size = WL.size();
1826 for (Stmt::child_range Child = S->children(); Child; ++Child) {
1829 if (size == WL.size())
1831 // Now reverse the entries we just added. This will match the DFS
1832 // ordering performed by the worklist.
1833 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
1836 void EnqueueVisitor::VisitAddrLabelExpr(AddrLabelExpr *E) {
1837 WL.push_back(LabelRefVisit(E->getLabel(), E->getLabelLoc(), Parent));
1839 void EnqueueVisitor::VisitBlockExpr(BlockExpr *B) {
1840 AddDecl(B->getBlockDecl());
1842 void EnqueueVisitor::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
1844 AddTypeLoc(E->getTypeSourceInfo());
1846 void EnqueueVisitor::VisitCompoundStmt(CompoundStmt *S) {
1847 for (CompoundStmt::reverse_body_iterator I = S->body_rbegin(),
1848 E = S->body_rend(); I != E; ++I) {
1852 void EnqueueVisitor::
1853 VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E) {
1854 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
1855 AddDeclarationNameInfo(E);
1856 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
1857 AddNestedNameSpecifierLoc(QualifierLoc);
1858 if (!E->isImplicitAccess())
1859 AddStmt(E->getBase());
1861 void EnqueueVisitor::VisitCXXNewExpr(CXXNewExpr *E) {
1862 // Enqueue the initializer or constructor arguments.
1863 for (unsigned I = E->getNumConstructorArgs(); I > 0; --I)
1864 AddStmt(E->getConstructorArg(I-1));
1865 // Enqueue the array size, if any.
1866 AddStmt(E->getArraySize());
1867 // Enqueue the allocated type.
1868 AddTypeLoc(E->getAllocatedTypeSourceInfo());
1869 // Enqueue the placement arguments.
1870 for (unsigned I = E->getNumPlacementArgs(); I > 0; --I)
1871 AddStmt(E->getPlacementArg(I-1));
1873 void EnqueueVisitor::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *CE) {
1874 for (unsigned I = CE->getNumArgs(); I > 1 /* Yes, this is 1 */; --I)
1875 AddStmt(CE->getArg(I-1));
1876 AddStmt(CE->getCallee());
1877 AddStmt(CE->getArg(0));
1879 void EnqueueVisitor::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
1880 // Visit the name of the type being destroyed.
1881 AddTypeLoc(E->getDestroyedTypeInfo());
1882 // Visit the scope type that looks disturbingly like the nested-name-specifier
1884 AddTypeLoc(E->getScopeTypeInfo());
1885 // Visit the nested-name-specifier.
1886 if (NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc())
1887 AddNestedNameSpecifierLoc(QualifierLoc);
1888 // Visit base expression.
1889 AddStmt(E->getBase());
1891 void EnqueueVisitor::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) {
1892 AddTypeLoc(E->getTypeSourceInfo());
1894 void EnqueueVisitor::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) {
1896 AddTypeLoc(E->getTypeSourceInfo());
1898 void EnqueueVisitor::VisitCXXTypeidExpr(CXXTypeidExpr *E) {
1900 if (E->isTypeOperand())
1901 AddTypeLoc(E->getTypeOperandSourceInfo());
1904 void EnqueueVisitor::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr
1907 AddTypeLoc(E->getTypeSourceInfo());
1909 void EnqueueVisitor::VisitCXXUuidofExpr(CXXUuidofExpr *E) {
1911 if (E->isTypeOperand())
1912 AddTypeLoc(E->getTypeOperandSourceInfo());
1914 void EnqueueVisitor::VisitDeclRefExpr(DeclRefExpr *DR) {
1915 if (DR->hasExplicitTemplateArgs()) {
1916 AddExplicitTemplateArgs(&DR->getExplicitTemplateArgs());
1918 WL.push_back(DeclRefExprParts(DR, Parent));
1920 void EnqueueVisitor::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) {
1921 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
1922 AddDeclarationNameInfo(E);
1923 AddNestedNameSpecifierLoc(E->getQualifierLoc());
1925 void EnqueueVisitor::VisitDeclStmt(DeclStmt *S) {
1926 unsigned size = WL.size();
1927 bool isFirst = true;
1928 for (DeclStmt::decl_iterator D = S->decl_begin(), DEnd = S->decl_end();
1930 AddDecl(*D, isFirst);
1933 if (size == WL.size())
1935 // Now reverse the entries we just added. This will match the DFS
1936 // ordering performed by the worklist.
1937 VisitorWorkList::iterator I = WL.begin() + size, E = WL.end();
1940 void EnqueueVisitor::VisitDesignatedInitExpr(DesignatedInitExpr *E) {
1941 AddStmt(E->getInit());
1942 typedef DesignatedInitExpr::Designator Designator;
1943 for (DesignatedInitExpr::reverse_designators_iterator
1944 D = E->designators_rbegin(), DEnd = E->designators_rend();
1946 if (D->isFieldDesignator()) {
1947 if (FieldDecl *Field = D->getField())
1948 AddMemberRef(Field, D->getFieldLoc());
1951 if (D->isArrayDesignator()) {
1952 AddStmt(E->getArrayIndex(*D));
1955 assert(D->isArrayRangeDesignator() && "Unknown designator kind");
1956 AddStmt(E->getArrayRangeEnd(*D));
1957 AddStmt(E->getArrayRangeStart(*D));
1960 void EnqueueVisitor::VisitExplicitCastExpr(ExplicitCastExpr *E) {
1962 AddTypeLoc(E->getTypeInfoAsWritten());
1964 void EnqueueVisitor::VisitForStmt(ForStmt *FS) {
1965 AddStmt(FS->getBody());
1966 AddStmt(FS->getInc());
1967 AddStmt(FS->getCond());
1968 AddDecl(FS->getConditionVariable());
1969 AddStmt(FS->getInit());
1971 void EnqueueVisitor::VisitGotoStmt(GotoStmt *GS) {
1972 WL.push_back(LabelRefVisit(GS->getLabel(), GS->getLabelLoc(), Parent));
1974 void EnqueueVisitor::VisitIfStmt(IfStmt *If) {
1975 AddStmt(If->getElse());
1976 AddStmt(If->getThen());
1977 AddStmt(If->getCond());
1978 AddDecl(If->getConditionVariable());
1980 void EnqueueVisitor::VisitInitListExpr(InitListExpr *IE) {
1981 // We care about the syntactic form of the initializer list, only.
1982 if (InitListExpr *Syntactic = IE->getSyntacticForm())
1984 EnqueueChildren(IE);
1986 void EnqueueVisitor::VisitMemberExpr(MemberExpr *M) {
1987 WL.push_back(MemberExprParts(M, Parent));
1989 // If the base of the member access expression is an implicit 'this', don't
1991 // FIXME: If we ever want to show these implicit accesses, this will be
1992 // unfortunate. However, clang_getCursor() relies on this behavior.
1993 if (!M->isImplicitAccess())
1994 AddStmt(M->getBase());
1996 void EnqueueVisitor::VisitObjCEncodeExpr(ObjCEncodeExpr *E) {
1997 AddTypeLoc(E->getEncodedTypeSourceInfo());
1999 void EnqueueVisitor::VisitObjCMessageExpr(ObjCMessageExpr *M) {
2001 AddTypeLoc(M->getClassReceiverTypeInfo());
2003 void EnqueueVisitor::VisitOffsetOfExpr(OffsetOfExpr *E) {
2004 // Visit the components of the offsetof expression.
2005 for (unsigned N = E->getNumComponents(), I = N; I > 0; --I) {
2006 typedef OffsetOfExpr::OffsetOfNode OffsetOfNode;
2007 const OffsetOfNode &Node = E->getComponent(I-1);
2008 switch (Node.getKind()) {
2009 case OffsetOfNode::Array:
2010 AddStmt(E->getIndexExpr(Node.getArrayExprIndex()));
2012 case OffsetOfNode::Field:
2013 AddMemberRef(Node.getField(), Node.getSourceRange().getEnd());
2015 case OffsetOfNode::Identifier:
2016 case OffsetOfNode::Base:
2020 // Visit the type into which we're computing the offset.
2021 AddTypeLoc(E->getTypeSourceInfo());
2023 void EnqueueVisitor::VisitOverloadExpr(OverloadExpr *E) {
2024 AddExplicitTemplateArgs(E->getOptionalExplicitTemplateArgs());
2025 WL.push_back(OverloadExprParts(E, Parent));
2027 void EnqueueVisitor::VisitUnaryExprOrTypeTraitExpr(
2028 UnaryExprOrTypeTraitExpr *E) {
2030 if (E->isArgumentType())
2031 AddTypeLoc(E->getArgumentTypeInfo());
2033 void EnqueueVisitor::VisitStmt(Stmt *S) {
2036 void EnqueueVisitor::VisitSwitchStmt(SwitchStmt *S) {
2037 AddStmt(S->getBody());
2038 AddStmt(S->getCond());
2039 AddDecl(S->getConditionVariable());
2042 void EnqueueVisitor::VisitWhileStmt(WhileStmt *W) {
2043 AddStmt(W->getBody());
2044 AddStmt(W->getCond());
2045 AddDecl(W->getConditionVariable());
2048 void EnqueueVisitor::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) {
2049 AddTypeLoc(E->getQueriedTypeSourceInfo());
2052 void EnqueueVisitor::VisitBinaryTypeTraitExpr(BinaryTypeTraitExpr *E) {
2053 AddTypeLoc(E->getRhsTypeSourceInfo());
2054 AddTypeLoc(E->getLhsTypeSourceInfo());
2057 void EnqueueVisitor::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) {
2058 AddTypeLoc(E->getQueriedTypeSourceInfo());
2061 void EnqueueVisitor::VisitExpressionTraitExpr(ExpressionTraitExpr *E) {
2065 void EnqueueVisitor::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *U) {
2066 VisitOverloadExpr(U);
2067 if (!U->isImplicitAccess())
2068 AddStmt(U->getBase());
2070 void EnqueueVisitor::VisitVAArgExpr(VAArgExpr *E) {
2071 AddStmt(E->getSubExpr());
2072 AddTypeLoc(E->getWrittenTypeInfo());
2074 void EnqueueVisitor::VisitSizeOfPackExpr(SizeOfPackExpr *E) {
2075 WL.push_back(SizeOfPackExprParts(E, Parent));
2078 void CursorVisitor::EnqueueWorkList(VisitorWorkList &WL, Stmt *S) {
2079 EnqueueVisitor(WL, MakeCXCursor(S, StmtParent, TU,RegionOfInterest)).Visit(S);
2082 bool CursorVisitor::IsInRegionOfInterest(CXCursor C) {
2083 if (RegionOfInterest.isValid()) {
2084 SourceRange Range = getRawCursorExtent(C);
2085 if (Range.isInvalid() || CompareRegionOfInterest(Range))
2091 bool CursorVisitor::RunVisitorWorkList(VisitorWorkList &WL) {
2092 while (!WL.empty()) {
2093 // Dequeue the worklist item.
2094 VisitorJob LI = WL.back();
2097 // Set the Parent field, then back to its old value once we're done.
2098 SetParentRAII SetParent(Parent, StmtParent, LI.getParent());
2100 switch (LI.getKind()) {
2101 case VisitorJob::DeclVisitKind: {
2102 Decl *D = cast<DeclVisit>(&LI)->get();
2106 // For now, perform default visitation for Decls.
2107 if (Visit(MakeCXCursor(D, TU, RegionOfInterest,
2108 cast<DeclVisit>(&LI)->isFirst())))
2113 case VisitorJob::ExplicitTemplateArgsVisitKind: {
2114 const ASTTemplateArgumentListInfo *ArgList =
2115 cast<ExplicitTemplateArgsVisit>(&LI)->get();
2116 for (const TemplateArgumentLoc *Arg = ArgList->getTemplateArgs(),
2117 *ArgEnd = Arg + ArgList->NumTemplateArgs;
2118 Arg != ArgEnd; ++Arg) {
2119 if (VisitTemplateArgumentLoc(*Arg))
2124 case VisitorJob::TypeLocVisitKind: {
2125 // Perform default visitation for TypeLocs.
2126 if (Visit(cast<TypeLocVisit>(&LI)->get()))
2130 case VisitorJob::LabelRefVisitKind: {
2131 LabelDecl *LS = cast<LabelRefVisit>(&LI)->get();
2132 if (LabelStmt *stmt = LS->getStmt()) {
2133 if (Visit(MakeCursorLabelRef(stmt, cast<LabelRefVisit>(&LI)->getLoc(),
2141 case VisitorJob::NestedNameSpecifierLocVisitKind: {
2142 NestedNameSpecifierLocVisit *V = cast<NestedNameSpecifierLocVisit>(&LI);
2143 if (VisitNestedNameSpecifierLoc(V->get()))
2148 case VisitorJob::DeclarationNameInfoVisitKind: {
2149 if (VisitDeclarationNameInfo(cast<DeclarationNameInfoVisit>(&LI)
2154 case VisitorJob::MemberRefVisitKind: {
2155 MemberRefVisit *V = cast<MemberRefVisit>(&LI);
2156 if (Visit(MakeCursorMemberRef(V->get(), V->getLoc(), TU)))
2160 case VisitorJob::StmtVisitKind: {
2161 Stmt *S = cast<StmtVisit>(&LI)->get();
2165 // Update the current cursor.
2166 CXCursor Cursor = MakeCXCursor(S, StmtParent, TU, RegionOfInterest);
2167 if (!IsInRegionOfInterest(Cursor))
2169 switch (Visitor(Cursor, Parent, ClientData)) {
2170 case CXChildVisit_Break: return true;
2171 case CXChildVisit_Continue: break;
2172 case CXChildVisit_Recurse:
2173 EnqueueWorkList(WL, S);
2178 case VisitorJob::MemberExprPartsKind: {
2179 // Handle the other pieces in the MemberExpr besides the base.
2180 MemberExpr *M = cast<MemberExprParts>(&LI)->get();
2182 // Visit the nested-name-specifier
2183 if (NestedNameSpecifierLoc QualifierLoc = M->getQualifierLoc())
2184 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2187 // Visit the declaration name.
2188 if (VisitDeclarationNameInfo(M->getMemberNameInfo()))
2191 // Visit the explicitly-specified template arguments, if any.
2192 if (M->hasExplicitTemplateArgs()) {
2193 for (const TemplateArgumentLoc *Arg = M->getTemplateArgs(),
2194 *ArgEnd = Arg + M->getNumTemplateArgs();
2195 Arg != ArgEnd; ++Arg) {
2196 if (VisitTemplateArgumentLoc(*Arg))
2202 case VisitorJob::DeclRefExprPartsKind: {
2203 DeclRefExpr *DR = cast<DeclRefExprParts>(&LI)->get();
2204 // Visit nested-name-specifier, if present.
2205 if (NestedNameSpecifierLoc QualifierLoc = DR->getQualifierLoc())
2206 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2208 // Visit declaration name.
2209 if (VisitDeclarationNameInfo(DR->getNameInfo()))
2213 case VisitorJob::OverloadExprPartsKind: {
2214 OverloadExpr *O = cast<OverloadExprParts>(&LI)->get();
2215 // Visit the nested-name-specifier.
2216 if (NestedNameSpecifierLoc QualifierLoc = O->getQualifierLoc())
2217 if (VisitNestedNameSpecifierLoc(QualifierLoc))
2219 // Visit the declaration name.
2220 if (VisitDeclarationNameInfo(O->getNameInfo()))
2222 // Visit the overloaded declaration reference.
2223 if (Visit(MakeCursorOverloadedDeclRef(O, TU)))
2227 case VisitorJob::SizeOfPackExprPartsKind: {
2228 SizeOfPackExpr *E = cast<SizeOfPackExprParts>(&LI)->get();
2229 NamedDecl *Pack = E->getPack();
2230 if (isa<TemplateTypeParmDecl>(Pack)) {
2231 if (Visit(MakeCursorTypeRef(cast<TemplateTypeParmDecl>(Pack),
2232 E->getPackLoc(), TU)))
2238 if (isa<TemplateTemplateParmDecl>(Pack)) {
2239 if (Visit(MakeCursorTemplateRef(cast<TemplateTemplateParmDecl>(Pack),
2240 E->getPackLoc(), TU)))
2246 // Non-type template parameter packs and function parameter packs are
2247 // treated like DeclRefExpr cursors.
2255 bool CursorVisitor::Visit(Stmt *S) {
2256 VisitorWorkList *WL = 0;
2257 if (!WorkListFreeList.empty()) {
2258 WL = WorkListFreeList.back();
2260 WorkListFreeList.pop_back();
2263 WL = new VisitorWorkList();
2264 WorkListCache.push_back(WL);
2266 EnqueueWorkList(*WL, S);
2267 bool result = RunVisitorWorkList(*WL);
2268 WorkListFreeList.push_back(WL);
2273 typedef llvm::SmallVector<SourceRange, 4> RefNamePieces;
2274 RefNamePieces buildPieces(unsigned NameFlags, bool IsMemberRefExpr,
2275 const DeclarationNameInfo &NI,
2276 const SourceRange &QLoc,
2277 const ASTTemplateArgumentListInfo *TemplateArgs = 0){
2278 const bool WantQualifier = NameFlags & CXNameRange_WantQualifier;
2279 const bool WantTemplateArgs = NameFlags & CXNameRange_WantTemplateArgs;
2280 const bool WantSinglePiece = NameFlags & CXNameRange_WantSinglePiece;
2282 const DeclarationName::NameKind Kind = NI.getName().getNameKind();
2284 RefNamePieces Pieces;
2286 if (WantQualifier && QLoc.isValid())
2287 Pieces.push_back(QLoc);
2289 if (Kind != DeclarationName::CXXOperatorName || IsMemberRefExpr)
2290 Pieces.push_back(NI.getLoc());
2292 if (WantTemplateArgs && TemplateArgs)
2293 Pieces.push_back(SourceRange(TemplateArgs->LAngleLoc,
2294 TemplateArgs->RAngleLoc));
2296 if (Kind == DeclarationName::CXXOperatorName) {
2297 Pieces.push_back(SourceLocation::getFromRawEncoding(
2298 NI.getInfo().CXXOperatorName.BeginOpNameLoc));
2299 Pieces.push_back(SourceLocation::getFromRawEncoding(
2300 NI.getInfo().CXXOperatorName.EndOpNameLoc));
2303 if (WantSinglePiece) {
2304 SourceRange R(Pieces.front().getBegin(), Pieces.back().getEnd());
2306 Pieces.push_back(R);
2313 //===----------------------------------------------------------------------===//
2315 //===----------------------------------------------------------------------===//
2317 static llvm::sys::Mutex EnableMultithreadingMutex;
2318 static bool EnabledMultithreading;
2321 CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
2322 int displayDiagnostics) {
2323 // Disable pretty stack trace functionality, which will otherwise be a very
2324 // poor citizen of the world and set up all sorts of signal handlers.
2325 llvm::DisablePrettyStackTrace = true;
2327 // We use crash recovery to make some of our APIs more reliable, implicitly
2329 llvm::CrashRecoveryContext::Enable();
2331 // Enable support for multithreading in LLVM.
2333 llvm::sys::ScopedLock L(EnableMultithreadingMutex);
2334 if (!EnabledMultithreading) {
2335 llvm::llvm_start_multithreaded();
2336 EnabledMultithreading = true;
2340 CIndexer *CIdxr = new CIndexer();
2341 if (excludeDeclarationsFromPCH)
2342 CIdxr->setOnlyLocalDecls();
2343 if (displayDiagnostics)
2344 CIdxr->setDisplayDiagnostics();
2348 void clang_disposeIndex(CXIndex CIdx) {
2350 delete static_cast<CIndexer *>(CIdx);
2353 void clang_toggleCrashRecovery(unsigned isEnabled) {
2355 llvm::CrashRecoveryContext::Enable();
2357 llvm::CrashRecoveryContext::Disable();
2360 CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
2361 const char *ast_filename) {
2365 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
2366 FileSystemOptions FileSystemOpts;
2367 FileSystemOpts.WorkingDir = CXXIdx->getWorkingDirectory();
2369 llvm::IntrusiveRefCntPtr<DiagnosticsEngine> Diags;
2370 ASTUnit *TU = ASTUnit::LoadFromASTFile(ast_filename, Diags, FileSystemOpts,
2371 CXXIdx->getOnlyLocalDecls(),
2373 return MakeCXTranslationUnit(TU);
2376 unsigned clang_defaultEditingTranslationUnitOptions() {
2377 return CXTranslationUnit_PrecompiledPreamble |
2378 CXTranslationUnit_CacheCompletionResults;
2382 clang_createTranslationUnitFromSourceFile(CXIndex CIdx,
2383 const char *source_filename,
2384 int num_command_line_args,
2385 const char * const *command_line_args,
2386 unsigned num_unsaved_files,
2387 struct CXUnsavedFile *unsaved_files) {
2388 unsigned Options = CXTranslationUnit_DetailedPreprocessingRecord |
2389 CXTranslationUnit_NestedMacroExpansions;
2390 return clang_parseTranslationUnit(CIdx, source_filename,
2391 command_line_args, num_command_line_args,
2392 unsaved_files, num_unsaved_files,
2396 struct ParseTranslationUnitInfo {
2398 const char *source_filename;
2399 const char *const *command_line_args;
2400 int num_command_line_args;
2401 struct CXUnsavedFile *unsaved_files;
2402 unsigned num_unsaved_files;
2404 CXTranslationUnit result;
2406 static void clang_parseTranslationUnit_Impl(void *UserData) {
2407 ParseTranslationUnitInfo *PTUI =
2408 static_cast<ParseTranslationUnitInfo*>(UserData);
2409 CXIndex CIdx = PTUI->CIdx;
2410 const char *source_filename = PTUI->source_filename;
2411 const char * const *command_line_args = PTUI->command_line_args;
2412 int num_command_line_args = PTUI->num_command_line_args;
2413 struct CXUnsavedFile *unsaved_files = PTUI->unsaved_files;
2414 unsigned num_unsaved_files = PTUI->num_unsaved_files;
2415 unsigned options = PTUI->options;
2421 CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
2423 bool PrecompilePreamble = options & CXTranslationUnit_PrecompiledPreamble;
2424 // FIXME: Add a flag for modules.
2425 TranslationUnitKind TUKind
2426 = (options & CXTranslationUnit_Incomplete)? TU_Prefix : TU_Complete;
2427 bool CacheCodeCompetionResults
2428 = options & CXTranslationUnit_CacheCompletionResults;
2430 // Configure the diagnostics.
2431 DiagnosticOptions DiagOpts;
2432 llvm::IntrusiveRefCntPtr<DiagnosticsEngine>
2433 Diags(CompilerInstance::createDiagnostics(DiagOpts, num_command_line_args,
2434 command_line_args));
2436 // Recover resources if we crash before exiting this function.
2437 llvm::CrashRecoveryContextCleanupRegistrar<DiagnosticsEngine,
2438 llvm::CrashRecoveryContextReleaseRefCleanup<DiagnosticsEngine> >
2439 DiagCleanup(Diags.getPtr());
2441 llvm::OwningPtr<std::vector<ASTUnit::RemappedFile> >
2442 RemappedFiles(new std::vector<ASTUnit::RemappedFile>());
2444 // Recover resources if we crash before exiting this function.
2445 llvm::CrashRecoveryContextCleanupRegistrar<
2446 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
2448 for (unsigned I = 0; I != num_unsaved_files; ++I) {
2449 StringRef Data(unsaved_files[I].Contents, unsaved_files[I].Length);
2450 const llvm::MemoryBuffer *Buffer
2451 = llvm::MemoryBuffer::getMemBufferCopy(Data, unsaved_files[I].Filename);
2452 RemappedFiles->push_back(std::make_pair(unsaved_files[I].Filename,
2456 llvm::OwningPtr<std::vector<const char *> >
2457 Args(new std::vector<const char*>());
2459 // Recover resources if we crash before exiting this method.
2460 llvm::CrashRecoveryContextCleanupRegistrar<std::vector<const char*> >
2461 ArgsCleanup(Args.get());
2463 // Since the Clang C library is primarily used by batch tools dealing with
2464 // (often very broken) source code, where spell-checking can have a
2465 // significant negative impact on performance (particularly when
2466 // precompiled headers are involved), we disable it by default.
2467 // Only do this if we haven't found a spell-checking-related argument.
2468 bool FoundSpellCheckingArgument = false;
2469 for (int I = 0; I != num_command_line_args; ++I) {
2470 if (strcmp(command_line_args[I], "-fno-spell-checking") == 0 ||
2471 strcmp(command_line_args[I], "-fspell-checking") == 0) {
2472 FoundSpellCheckingArgument = true;
2476 if (!FoundSpellCheckingArgument)
2477 Args->push_back("-fno-spell-checking");
2479 Args->insert(Args->end(), command_line_args,
2480 command_line_args + num_command_line_args);
2482 // The 'source_filename' argument is optional. If the caller does not
2483 // specify it then it is assumed that the source file is specified
2484 // in the actual argument list.
2485 // Put the source file after command_line_args otherwise if '-x' flag is
2486 // present it will be unused.
2487 if (source_filename)
2488 Args->push_back(source_filename);
2490 // Do we need the detailed preprocessing record?
2491 bool NestedMacroExpansions = false;
2492 if (options & CXTranslationUnit_DetailedPreprocessingRecord) {
2493 Args->push_back("-Xclang");
2494 Args->push_back("-detailed-preprocessing-record");
2495 NestedMacroExpansions
2496 = (options & CXTranslationUnit_NestedMacroExpansions);
2499 unsigned NumErrors = Diags->getClient()->getNumErrors();
2500 llvm::OwningPtr<ASTUnit> Unit(
2501 ASTUnit::LoadFromCommandLine(Args->size() ? &(*Args)[0] : 0
2502 /* vector::data() not portable */,
2503 Args->size() ? (&(*Args)[0] + Args->size()) :0,
2505 CXXIdx->getClangResourcesPath(),
2506 CXXIdx->getOnlyLocalDecls(),
2507 /*CaptureDiagnostics=*/true,
2508 RemappedFiles->size() ? &(*RemappedFiles)[0]:0,
2509 RemappedFiles->size(),
2510 /*RemappedFilesKeepOriginalName=*/true,
2513 CacheCodeCompetionResults,
2514 NestedMacroExpansions));
2516 if (NumErrors != Diags->getClient()->getNumErrors()) {
2517 // Make sure to check that 'Unit' is non-NULL.
2518 if (CXXIdx->getDisplayDiagnostics() && Unit.get()) {
2519 for (ASTUnit::stored_diag_iterator D = Unit->stored_diag_begin(),
2520 DEnd = Unit->stored_diag_end();
2522 CXStoredDiagnostic Diag(*D, Unit->getASTContext().getLangOptions());
2523 CXString Msg = clang_formatDiagnostic(&Diag,
2524 clang_defaultDiagnosticDisplayOptions());
2525 fprintf(stderr, "%s\n", clang_getCString(Msg));
2526 clang_disposeString(Msg);
2528 #ifdef LLVM_ON_WIN32
2529 // On Windows, force a flush, since there may be multiple copies of
2530 // stderr and stdout in the file system, all with different buffers
2531 // but writing to the same device.
2537 PTUI->result = MakeCXTranslationUnit(Unit.take());
2539 CXTranslationUnit clang_parseTranslationUnit(CXIndex CIdx,
2540 const char *source_filename,
2541 const char * const *command_line_args,
2542 int num_command_line_args,
2543 struct CXUnsavedFile *unsaved_files,
2544 unsigned num_unsaved_files,
2546 ParseTranslationUnitInfo PTUI = { CIdx, source_filename, command_line_args,
2547 num_command_line_args, unsaved_files,
2548 num_unsaved_files, options, 0 };
2549 llvm::CrashRecoveryContext CRC;
2551 if (!RunSafely(CRC, clang_parseTranslationUnit_Impl, &PTUI)) {
2552 fprintf(stderr, "libclang: crash detected during parsing: {\n");
2553 fprintf(stderr, " 'source_filename' : '%s'\n", source_filename);
2554 fprintf(stderr, " 'command_line_args' : [");
2555 for (int i = 0; i != num_command_line_args; ++i) {
2557 fprintf(stderr, ", ");
2558 fprintf(stderr, "'%s'", command_line_args[i]);
2560 fprintf(stderr, "],\n");
2561 fprintf(stderr, " 'unsaved_files' : [");
2562 for (unsigned i = 0; i != num_unsaved_files; ++i) {
2564 fprintf(stderr, ", ");
2565 fprintf(stderr, "('%s', '...', %ld)", unsaved_files[i].Filename,
2566 unsaved_files[i].Length);
2568 fprintf(stderr, "],\n");
2569 fprintf(stderr, " 'options' : %d,\n", options);
2570 fprintf(stderr, "}\n");
2573 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
2574 PrintLibclangResourceUsage(PTUI.result);
2580 unsigned clang_defaultSaveOptions(CXTranslationUnit TU) {
2581 return CXSaveTranslationUnit_None;
2584 int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
2587 return CXSaveError_InvalidTU;
2589 CXSaveError result = static_cast<ASTUnit *>(TU->TUData)->Save(FileName);
2590 if (getenv("LIBCLANG_RESOURCE_USAGE"))
2591 PrintLibclangResourceUsage(TU);
2595 void clang_disposeTranslationUnit(CXTranslationUnit CTUnit) {
2597 // If the translation unit has been marked as unsafe to free, just discard
2599 if (static_cast<ASTUnit *>(CTUnit->TUData)->isUnsafeToFree())
2602 delete static_cast<ASTUnit *>(CTUnit->TUData);
2603 disposeCXStringPool(CTUnit->StringPool);
2608 unsigned clang_defaultReparseOptions(CXTranslationUnit TU) {
2609 return CXReparse_None;
2612 struct ReparseTranslationUnitInfo {
2613 CXTranslationUnit TU;
2614 unsigned num_unsaved_files;
2615 struct CXUnsavedFile *unsaved_files;
2620 static void clang_reparseTranslationUnit_Impl(void *UserData) {
2621 ReparseTranslationUnitInfo *RTUI =
2622 static_cast<ReparseTranslationUnitInfo*>(UserData);
2623 CXTranslationUnit TU = RTUI->TU;
2624 unsigned num_unsaved_files = RTUI->num_unsaved_files;
2625 struct CXUnsavedFile *unsaved_files = RTUI->unsaved_files;
2626 unsigned options = RTUI->options;
2633 ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
2634 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
2636 llvm::OwningPtr<std::vector<ASTUnit::RemappedFile> >
2637 RemappedFiles(new std::vector<ASTUnit::RemappedFile>());
2639 // Recover resources if we crash before exiting this function.
2640 llvm::CrashRecoveryContextCleanupRegistrar<
2641 std::vector<ASTUnit::RemappedFile> > RemappedCleanup(RemappedFiles.get());
2643 for (unsigned I = 0; I != num_unsaved_files; ++I) {
2644 StringRef Data(unsaved_files[I].Contents, unsaved_files[I].Length);
2645 const llvm::MemoryBuffer *Buffer
2646 = llvm::MemoryBuffer::getMemBufferCopy(Data, unsaved_files[I].Filename);
2647 RemappedFiles->push_back(std::make_pair(unsaved_files[I].Filename,
2651 if (!CXXUnit->Reparse(RemappedFiles->size() ? &(*RemappedFiles)[0] : 0,
2652 RemappedFiles->size()))
2656 int clang_reparseTranslationUnit(CXTranslationUnit TU,
2657 unsigned num_unsaved_files,
2658 struct CXUnsavedFile *unsaved_files,
2660 ReparseTranslationUnitInfo RTUI = { TU, num_unsaved_files, unsaved_files,
2662 llvm::CrashRecoveryContext CRC;
2664 if (!RunSafely(CRC, clang_reparseTranslationUnit_Impl, &RTUI)) {
2665 fprintf(stderr, "libclang: crash detected during reparsing\n");
2666 static_cast<ASTUnit *>(TU->TUData)->setUnsafeToFree(true);
2668 } else if (getenv("LIBCLANG_RESOURCE_USAGE"))
2669 PrintLibclangResourceUsage(TU);
2675 CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
2677 return createCXString("");
2679 ASTUnit *CXXUnit = static_cast<ASTUnit *>(CTUnit->TUData);
2680 return createCXString(CXXUnit->getOriginalSourceFileName(), true);
2683 CXCursor clang_getTranslationUnitCursor(CXTranslationUnit TU) {
2684 CXCursor Result = { CXCursor_TranslationUnit, 0, { 0, 0, TU } };
2688 } // end: extern "C"
2690 //===----------------------------------------------------------------------===//
2691 // CXSourceLocation and CXSourceRange Operations.
2692 //===----------------------------------------------------------------------===//
2695 CXSourceLocation clang_getNullLocation() {
2696 CXSourceLocation Result = { { 0, 0 }, 0 };
2700 unsigned clang_equalLocations(CXSourceLocation loc1, CXSourceLocation loc2) {
2701 return (loc1.ptr_data[0] == loc2.ptr_data[0] &&
2702 loc1.ptr_data[1] == loc2.ptr_data[1] &&
2703 loc1.int_data == loc2.int_data);
2706 CXSourceLocation clang_getLocation(CXTranslationUnit tu,
2711 return clang_getNullLocation();
2713 bool Logging = ::getenv("LIBCLANG_LOGGING");
2714 ASTUnit *CXXUnit = static_cast<ASTUnit *>(tu->TUData);
2715 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
2716 const FileEntry *File = static_cast<const FileEntry *>(file);
2717 SourceLocation SLoc = CXXUnit->getLocation(File, line, column);
2718 if (SLoc.isInvalid()) {
2720 llvm::errs() << "clang_getLocation(\"" << File->getName()
2721 << "\", " << line << ", " << column << ") = invalid\n";
2722 return clang_getNullLocation();
2726 llvm::errs() << "clang_getLocation(\"" << File->getName()
2727 << "\", " << line << ", " << column << ") = "
2728 << SLoc.getRawEncoding() << "\n";
2730 return cxloc::translateSourceLocation(CXXUnit->getASTContext(), SLoc);
2733 CXSourceLocation clang_getLocationForOffset(CXTranslationUnit tu,
2737 return clang_getNullLocation();
2739 ASTUnit *CXXUnit = static_cast<ASTUnit *>(tu->TUData);
2741 = CXXUnit->getLocation(static_cast<const FileEntry *>(file), offset);
2742 if (SLoc.isInvalid()) return clang_getNullLocation();
2744 return cxloc::translateSourceLocation(CXXUnit->getASTContext(), SLoc);
2747 CXSourceRange clang_getNullRange() {
2748 CXSourceRange Result = { { 0, 0 }, 0, 0 };
2752 CXSourceRange clang_getRange(CXSourceLocation begin, CXSourceLocation end) {
2753 if (begin.ptr_data[0] != end.ptr_data[0] ||
2754 begin.ptr_data[1] != end.ptr_data[1])
2755 return clang_getNullRange();
2757 CXSourceRange Result = { { begin.ptr_data[0], begin.ptr_data[1] },
2758 begin.int_data, end.int_data };
2762 unsigned clang_equalRanges(CXSourceRange range1, CXSourceRange range2)
2764 return range1.ptr_data[0] == range2.ptr_data[0]
2765 && range1.ptr_data[1] == range2.ptr_data[1]
2766 && range1.begin_int_data == range2.begin_int_data
2767 && range1.end_int_data == range2.end_int_data;
2770 int clang_Range_isNull(CXSourceRange range) {
2771 return clang_equalRanges(range, clang_getNullRange());
2774 } // end: extern "C"
2776 static void createNullLocation(CXFile *file, unsigned *line,
2777 unsigned *column, unsigned *offset) {
2790 void clang_getExpansionLocation(CXSourceLocation location,
2795 SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data);
2797 if (!location.ptr_data[0] || Loc.isInvalid()) {
2798 createNullLocation(file, line, column, offset);
2802 const SourceManager &SM =
2803 *static_cast<const SourceManager*>(location.ptr_data[0]);
2804 SourceLocation ExpansionLoc = SM.getExpansionLoc(Loc);
2806 // Check that the FileID is invalid on the expansion location.
2807 // This can manifest in invalid code.
2808 FileID fileID = SM.getFileID(ExpansionLoc);
2809 bool Invalid = false;
2810 const SrcMgr::SLocEntry &sloc = SM.getSLocEntry(fileID, &Invalid);
2811 if (!sloc.isFile() || Invalid) {
2812 createNullLocation(file, line, column, offset);
2817 *file = (void *)SM.getFileEntryForSLocEntry(sloc);
2819 *line = SM.getExpansionLineNumber(ExpansionLoc);
2821 *column = SM.getExpansionColumnNumber(ExpansionLoc);
2823 *offset = SM.getDecomposedLoc(ExpansionLoc).second;
2826 void clang_getPresumedLocation(CXSourceLocation location,
2830 SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data);
2832 if (!location.ptr_data[0] || Loc.isInvalid()) {
2834 *filename = createCXString("");
2841 const SourceManager &SM =
2842 *static_cast<const SourceManager*>(location.ptr_data[0]);
2843 PresumedLoc PreLoc = SM.getPresumedLoc(Loc);
2846 *filename = createCXString(PreLoc.getFilename());
2848 *line = PreLoc.getLine();
2850 *column = PreLoc.getColumn();
2854 void clang_getInstantiationLocation(CXSourceLocation location,
2859 // Redirect to new API.
2860 clang_getExpansionLocation(location, file, line, column, offset);
2863 void clang_getSpellingLocation(CXSourceLocation location,
2868 SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data);
2870 if (!location.ptr_data[0] || Loc.isInvalid())
2871 return createNullLocation(file, line, column, offset);
2873 const SourceManager &SM =
2874 *static_cast<const SourceManager*>(location.ptr_data[0]);
2875 SourceLocation SpellLoc = Loc;
2876 if (SpellLoc.isMacroID()) {
2877 SourceLocation SimpleSpellingLoc = SM.getImmediateSpellingLoc(SpellLoc);
2878 if (SimpleSpellingLoc.isFileID() &&
2879 SM.getFileEntryForID(SM.getDecomposedLoc(SimpleSpellingLoc).first))
2880 SpellLoc = SimpleSpellingLoc;
2882 SpellLoc = SM.getExpansionLoc(SpellLoc);
2885 std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(SpellLoc);
2886 FileID FID = LocInfo.first;
2887 unsigned FileOffset = LocInfo.second;
2889 if (FID.isInvalid())
2890 return createNullLocation(file, line, column, offset);
2893 *file = (void *)SM.getFileEntryForID(FID);
2895 *line = SM.getLineNumber(FID, FileOffset);
2897 *column = SM.getColumnNumber(FID, FileOffset);
2899 *offset = FileOffset;
2902 CXSourceLocation clang_getRangeStart(CXSourceRange range) {
2903 CXSourceLocation Result = { { range.ptr_data[0], range.ptr_data[1] },
2904 range.begin_int_data };
2908 CXSourceLocation clang_getRangeEnd(CXSourceRange range) {
2909 CXSourceLocation Result = { { range.ptr_data[0], range.ptr_data[1] },
2910 range.end_int_data };
2914 } // end: extern "C"
2916 //===----------------------------------------------------------------------===//
2917 // CXFile Operations.
2918 //===----------------------------------------------------------------------===//
2921 CXString clang_getFileName(CXFile SFile) {
2923 return createCXString((const char*)NULL);
2925 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
2926 return createCXString(FEnt->getName());
2929 time_t clang_getFileTime(CXFile SFile) {
2933 FileEntry *FEnt = static_cast<FileEntry *>(SFile);
2934 return FEnt->getModificationTime();
2937 CXFile clang_getFile(CXTranslationUnit tu, const char *file_name) {
2941 ASTUnit *CXXUnit = static_cast<ASTUnit *>(tu->TUData);
2943 FileManager &FMgr = CXXUnit->getFileManager();
2944 return const_cast<FileEntry *>(FMgr.getFile(file_name));
2947 unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit tu, CXFile file) {
2951 ASTUnit *CXXUnit = static_cast<ASTUnit *>(tu->TUData);
2952 FileEntry *FEnt = static_cast<FileEntry *>(file);
2953 return CXXUnit->getPreprocessor().getHeaderSearchInfo()
2954 .isFileMultipleIncludeGuarded(FEnt);
2957 } // end: extern "C"
2959 //===----------------------------------------------------------------------===//
2960 // CXCursor Operations.
2961 //===----------------------------------------------------------------------===//
2963 static Decl *getDeclFromExpr(Stmt *E) {
2964 if (ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
2965 return getDeclFromExpr(CE->getSubExpr());
2967 if (DeclRefExpr *RefExpr = dyn_cast<DeclRefExpr>(E))
2968 return RefExpr->getDecl();
2969 if (BlockDeclRefExpr *RefExpr = dyn_cast<BlockDeclRefExpr>(E))
2970 return RefExpr->getDecl();
2971 if (MemberExpr *ME = dyn_cast<MemberExpr>(E))
2972 return ME->getMemberDecl();
2973 if (ObjCIvarRefExpr *RE = dyn_cast<ObjCIvarRefExpr>(E))
2974 return RE->getDecl();
2975 if (ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(E))
2976 return PRE->isExplicitProperty() ? PRE->getExplicitProperty() : 0;
2978 if (CallExpr *CE = dyn_cast<CallExpr>(E))
2979 return getDeclFromExpr(CE->getCallee());
2980 if (CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E))
2981 if (!CE->isElidable())
2982 return CE->getConstructor();
2983 if (ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(E))
2984 return OME->getMethodDecl();
2986 if (ObjCProtocolExpr *PE = dyn_cast<ObjCProtocolExpr>(E))
2987 return PE->getProtocol();
2988 if (SubstNonTypeTemplateParmPackExpr *NTTP
2989 = dyn_cast<SubstNonTypeTemplateParmPackExpr>(E))
2990 return NTTP->getParameterPack();
2991 if (SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
2992 if (isa<NonTypeTemplateParmDecl>(SizeOfPack->getPack()) ||
2993 isa<ParmVarDecl>(SizeOfPack->getPack()))
2994 return SizeOfPack->getPack();
2999 static SourceLocation getLocationFromExpr(Expr *E) {
3000 if (ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E))
3001 return getLocationFromExpr(CE->getSubExpr());
3003 if (ObjCMessageExpr *Msg = dyn_cast<ObjCMessageExpr>(E))
3004 return /*FIXME:*/Msg->getLeftLoc();
3005 if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E))
3006 return DRE->getLocation();
3007 if (BlockDeclRefExpr *RefExpr = dyn_cast<BlockDeclRefExpr>(E))
3008 return RefExpr->getLocation();
3009 if (MemberExpr *Member = dyn_cast<MemberExpr>(E))
3010 return Member->getMemberLoc();
3011 if (ObjCIvarRefExpr *Ivar = dyn_cast<ObjCIvarRefExpr>(E))
3012 return Ivar->getLocation();
3013 if (SizeOfPackExpr *SizeOfPack = dyn_cast<SizeOfPackExpr>(E))
3014 return SizeOfPack->getPackLoc();
3016 return E->getLocStart();
3021 unsigned clang_visitChildren(CXCursor parent,
3022 CXCursorVisitor visitor,
3023 CXClientData client_data) {
3024 CursorVisitor CursorVis(getCursorTU(parent), visitor, client_data,
3026 return CursorVis.VisitChildren(parent);
3029 #ifndef __has_feature
3030 #define __has_feature(x) 0
3032 #if __has_feature(blocks)
3033 typedef enum CXChildVisitResult
3034 (^CXCursorVisitorBlock)(CXCursor cursor, CXCursor parent);
3036 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
3037 CXClientData client_data) {
3038 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
3039 return block(cursor, parent);
3042 // If we are compiled with a compiler that doesn't have native blocks support,
3043 // define and call the block manually, so the
3044 typedef struct _CXChildVisitResult
3049 enum CXChildVisitResult(*invoke)(struct _CXChildVisitResult*, CXCursor,
3051 } *CXCursorVisitorBlock;
3053 static enum CXChildVisitResult visitWithBlock(CXCursor cursor, CXCursor parent,
3054 CXClientData client_data) {
3055 CXCursorVisitorBlock block = (CXCursorVisitorBlock)client_data;
3056 return block->invoke(block, cursor, parent);
3061 unsigned clang_visitChildrenWithBlock(CXCursor parent,
3062 CXCursorVisitorBlock block) {
3063 return clang_visitChildren(parent, visitWithBlock, block);
3066 static CXString getDeclSpelling(Decl *D) {
3067 NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D);
3069 if (ObjCPropertyImplDecl *PropImpl =dyn_cast<ObjCPropertyImplDecl>(D))
3070 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
3071 return createCXString(Property->getIdentifier()->getName());
3073 return createCXString("");
3076 if (ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(ND))
3077 return createCXString(OMD->getSelector().getAsString());
3079 if (ObjCCategoryImplDecl *CIMP = dyn_cast<ObjCCategoryImplDecl>(ND))
3080 // No, this isn't the same as the code below. getIdentifier() is non-virtual
3081 // and returns different names. NamedDecl returns the class name and
3082 // ObjCCategoryImplDecl returns the category name.
3083 return createCXString(CIMP->getIdentifier()->getNameStart());
3085 if (isa<UsingDirectiveDecl>(D))
3086 return createCXString("");
3088 llvm::SmallString<1024> S;
3089 llvm::raw_svector_ostream os(S);
3092 return createCXString(os.str());
3095 CXString clang_getCursorSpelling(CXCursor C) {
3096 if (clang_isTranslationUnit(C.kind))
3097 return clang_getTranslationUnitSpelling(
3098 static_cast<CXTranslationUnit>(C.data[2]));
3100 if (clang_isReference(C.kind)) {
3102 case CXCursor_ObjCSuperClassRef: {
3103 ObjCInterfaceDecl *Super = getCursorObjCSuperClassRef(C).first;
3104 return createCXString(Super->getIdentifier()->getNameStart());
3106 case CXCursor_ObjCClassRef: {
3107 ObjCInterfaceDecl *Class = getCursorObjCClassRef(C).first;
3108 return createCXString(Class->getIdentifier()->getNameStart());
3110 case CXCursor_ObjCProtocolRef: {
3111 ObjCProtocolDecl *OID = getCursorObjCProtocolRef(C).first;
3112 assert(OID && "getCursorSpelling(): Missing protocol decl");
3113 return createCXString(OID->getIdentifier()->getNameStart());
3115 case CXCursor_CXXBaseSpecifier: {
3116 CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
3117 return createCXString(B->getType().getAsString());
3119 case CXCursor_TypeRef: {
3120 TypeDecl *Type = getCursorTypeRef(C).first;
3121 assert(Type && "Missing type decl");
3123 return createCXString(getCursorContext(C).getTypeDeclType(Type).
3126 case CXCursor_TemplateRef: {
3127 TemplateDecl *Template = getCursorTemplateRef(C).first;
3128 assert(Template && "Missing template decl");
3130 return createCXString(Template->getNameAsString());
3133 case CXCursor_NamespaceRef: {
3134 NamedDecl *NS = getCursorNamespaceRef(C).first;
3135 assert(NS && "Missing namespace decl");
3137 return createCXString(NS->getNameAsString());
3140 case CXCursor_MemberRef: {
3141 FieldDecl *Field = getCursorMemberRef(C).first;
3142 assert(Field && "Missing member decl");
3144 return createCXString(Field->getNameAsString());
3147 case CXCursor_LabelRef: {
3148 LabelStmt *Label = getCursorLabelRef(C).first;
3149 assert(Label && "Missing label");
3151 return createCXString(Label->getName());
3154 case CXCursor_OverloadedDeclRef: {
3155 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
3156 if (Decl *D = Storage.dyn_cast<Decl *>()) {
3157 if (NamedDecl *ND = dyn_cast<NamedDecl>(D))
3158 return createCXString(ND->getNameAsString());
3159 return createCXString("");
3161 if (OverloadExpr *E = Storage.dyn_cast<OverloadExpr *>())
3162 return createCXString(E->getName().getAsString());
3163 OverloadedTemplateStorage *Ovl
3164 = Storage.get<OverloadedTemplateStorage*>();
3165 if (Ovl->size() == 0)
3166 return createCXString("");
3167 return createCXString((*Ovl->begin())->getNameAsString());
3171 return createCXString("<not implemented>");
3175 if (clang_isExpression(C.kind)) {
3176 Decl *D = getDeclFromExpr(getCursorExpr(C));
3178 return getDeclSpelling(D);
3179 return createCXString("");
3182 if (clang_isStatement(C.kind)) {
3183 Stmt *S = getCursorStmt(C);
3184 if (LabelStmt *Label = dyn_cast_or_null<LabelStmt>(S))
3185 return createCXString(Label->getName());
3187 return createCXString("");
3190 if (C.kind == CXCursor_MacroExpansion)
3191 return createCXString(getCursorMacroExpansion(C)->getName()
3194 if (C.kind == CXCursor_MacroDefinition)
3195 return createCXString(getCursorMacroDefinition(C)->getName()
3198 if (C.kind == CXCursor_InclusionDirective)
3199 return createCXString(getCursorInclusionDirective(C)->getFileName());
3201 if (clang_isDeclaration(C.kind))
3202 return getDeclSpelling(getCursorDecl(C));
3204 if (C.kind == CXCursor_AnnotateAttr) {
3205 AnnotateAttr *AA = cast<AnnotateAttr>(cxcursor::getCursorAttr(C));
3206 return createCXString(AA->getAnnotation());
3209 return createCXString("");
3212 CXString clang_getCursorDisplayName(CXCursor C) {
3213 if (!clang_isDeclaration(C.kind))
3214 return clang_getCursorSpelling(C);
3216 Decl *D = getCursorDecl(C);
3218 return createCXString("");
3220 PrintingPolicy Policy = getCursorContext(C).getPrintingPolicy();
3221 if (FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(D))
3222 D = FunTmpl->getTemplatedDecl();
3224 if (FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
3225 llvm::SmallString<64> Str;
3226 llvm::raw_svector_ostream OS(Str);
3227 OS << Function->getNameAsString();
3228 if (Function->getPrimaryTemplate())
3231 for (unsigned I = 0, N = Function->getNumParams(); I != N; ++I) {
3234 OS << Function->getParamDecl(I)->getType().getAsString(Policy);
3237 if (Function->isVariadic()) {
3238 if (Function->getNumParams())
3243 return createCXString(OS.str());
3246 if (ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(D)) {
3247 llvm::SmallString<64> Str;
3248 llvm::raw_svector_ostream OS(Str);
3249 OS << ClassTemplate->getNameAsString();
3251 TemplateParameterList *Params = ClassTemplate->getTemplateParameters();
3252 for (unsigned I = 0, N = Params->size(); I != N; ++I) {
3256 NamedDecl *Param = Params->getParam(I);
3257 if (Param->getIdentifier()) {
3258 OS << Param->getIdentifier()->getName();
3262 // There is no parameter name, which makes this tricky. Try to come up
3263 // with something useful that isn't too long.
3264 if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Param))
3265 OS << (TTP->wasDeclaredWithTypename()? "typename" : "class");
3266 else if (NonTypeTemplateParmDecl *NTTP
3267 = dyn_cast<NonTypeTemplateParmDecl>(Param))
3268 OS << NTTP->getType().getAsString(Policy);
3270 OS << "template<...> class";
3274 return createCXString(OS.str());
3277 if (ClassTemplateSpecializationDecl *ClassSpec
3278 = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
3279 // If the type was explicitly written, use that.
3280 if (TypeSourceInfo *TSInfo = ClassSpec->getTypeAsWritten())
3281 return createCXString(TSInfo->getType().getAsString(Policy));
3283 llvm::SmallString<64> Str;
3284 llvm::raw_svector_ostream OS(Str);
3285 OS << ClassSpec->getNameAsString();
3286 OS << TemplateSpecializationType::PrintTemplateArgumentList(
3287 ClassSpec->getTemplateArgs().data(),
3288 ClassSpec->getTemplateArgs().size(),
3290 return createCXString(OS.str());
3293 return clang_getCursorSpelling(C);
3296 CXString clang_getCursorKindSpelling(enum CXCursorKind Kind) {
3298 case CXCursor_FunctionDecl:
3299 return createCXString("FunctionDecl");
3300 case CXCursor_TypedefDecl:
3301 return createCXString("TypedefDecl");
3302 case CXCursor_EnumDecl:
3303 return createCXString("EnumDecl");
3304 case CXCursor_EnumConstantDecl:
3305 return createCXString("EnumConstantDecl");
3306 case CXCursor_StructDecl:
3307 return createCXString("StructDecl");
3308 case CXCursor_UnionDecl:
3309 return createCXString("UnionDecl");
3310 case CXCursor_ClassDecl:
3311 return createCXString("ClassDecl");
3312 case CXCursor_FieldDecl:
3313 return createCXString("FieldDecl");
3314 case CXCursor_VarDecl:
3315 return createCXString("VarDecl");
3316 case CXCursor_ParmDecl:
3317 return createCXString("ParmDecl");
3318 case CXCursor_ObjCInterfaceDecl:
3319 return createCXString("ObjCInterfaceDecl");
3320 case CXCursor_ObjCCategoryDecl:
3321 return createCXString("ObjCCategoryDecl");
3322 case CXCursor_ObjCProtocolDecl:
3323 return createCXString("ObjCProtocolDecl");
3324 case CXCursor_ObjCPropertyDecl:
3325 return createCXString("ObjCPropertyDecl");
3326 case CXCursor_ObjCIvarDecl:
3327 return createCXString("ObjCIvarDecl");
3328 case CXCursor_ObjCInstanceMethodDecl:
3329 return createCXString("ObjCInstanceMethodDecl");
3330 case CXCursor_ObjCClassMethodDecl:
3331 return createCXString("ObjCClassMethodDecl");
3332 case CXCursor_ObjCImplementationDecl:
3333 return createCXString("ObjCImplementationDecl");
3334 case CXCursor_ObjCCategoryImplDecl:
3335 return createCXString("ObjCCategoryImplDecl");
3336 case CXCursor_CXXMethod:
3337 return createCXString("CXXMethod");
3338 case CXCursor_UnexposedDecl:
3339 return createCXString("UnexposedDecl");
3340 case CXCursor_ObjCSuperClassRef:
3341 return createCXString("ObjCSuperClassRef");
3342 case CXCursor_ObjCProtocolRef:
3343 return createCXString("ObjCProtocolRef");
3344 case CXCursor_ObjCClassRef:
3345 return createCXString("ObjCClassRef");
3346 case CXCursor_TypeRef:
3347 return createCXString("TypeRef");
3348 case CXCursor_TemplateRef:
3349 return createCXString("TemplateRef");
3350 case CXCursor_NamespaceRef:
3351 return createCXString("NamespaceRef");
3352 case CXCursor_MemberRef:
3353 return createCXString("MemberRef");
3354 case CXCursor_LabelRef:
3355 return createCXString("LabelRef");
3356 case CXCursor_OverloadedDeclRef:
3357 return createCXString("OverloadedDeclRef");
3358 case CXCursor_IntegerLiteral:
3359 return createCXString("IntegerLiteral");
3360 case CXCursor_FloatingLiteral:
3361 return createCXString("FloatingLiteral");
3362 case CXCursor_ImaginaryLiteral:
3363 return createCXString("ImaginaryLiteral");
3364 case CXCursor_StringLiteral:
3365 return createCXString("StringLiteral");
3366 case CXCursor_CharacterLiteral:
3367 return createCXString("CharacterLiteral");
3368 case CXCursor_ParenExpr:
3369 return createCXString("ParenExpr");
3370 case CXCursor_UnaryOperator:
3371 return createCXString("UnaryOperator");
3372 case CXCursor_ArraySubscriptExpr:
3373 return createCXString("ArraySubscriptExpr");
3374 case CXCursor_BinaryOperator:
3375 return createCXString("BinaryOperator");
3376 case CXCursor_CompoundAssignOperator:
3377 return createCXString("CompoundAssignOperator");
3378 case CXCursor_ConditionalOperator:
3379 return createCXString("ConditionalOperator");
3380 case CXCursor_CStyleCastExpr:
3381 return createCXString("CStyleCastExpr");
3382 case CXCursor_CompoundLiteralExpr:
3383 return createCXString("CompoundLiteralExpr");
3384 case CXCursor_InitListExpr:
3385 return createCXString("InitListExpr");
3386 case CXCursor_AddrLabelExpr:
3387 return createCXString("AddrLabelExpr");
3388 case CXCursor_StmtExpr:
3389 return createCXString("StmtExpr");
3390 case CXCursor_GenericSelectionExpr:
3391 return createCXString("GenericSelectionExpr");
3392 case CXCursor_GNUNullExpr:
3393 return createCXString("GNUNullExpr");
3394 case CXCursor_CXXStaticCastExpr:
3395 return createCXString("CXXStaticCastExpr");
3396 case CXCursor_CXXDynamicCastExpr:
3397 return createCXString("CXXDynamicCastExpr");
3398 case CXCursor_CXXReinterpretCastExpr:
3399 return createCXString("CXXReinterpretCastExpr");
3400 case CXCursor_CXXConstCastExpr:
3401 return createCXString("CXXConstCastExpr");
3402 case CXCursor_CXXFunctionalCastExpr:
3403 return createCXString("CXXFunctionalCastExpr");
3404 case CXCursor_CXXTypeidExpr:
3405 return createCXString("CXXTypeidExpr");
3406 case CXCursor_CXXBoolLiteralExpr:
3407 return createCXString("CXXBoolLiteralExpr");
3408 case CXCursor_CXXNullPtrLiteralExpr:
3409 return createCXString("CXXNullPtrLiteralExpr");
3410 case CXCursor_CXXThisExpr:
3411 return createCXString("CXXThisExpr");
3412 case CXCursor_CXXThrowExpr:
3413 return createCXString("CXXThrowExpr");
3414 case CXCursor_CXXNewExpr:
3415 return createCXString("CXXNewExpr");
3416 case CXCursor_CXXDeleteExpr:
3417 return createCXString("CXXDeleteExpr");
3418 case CXCursor_UnaryExpr:
3419 return createCXString("UnaryExpr");
3420 case CXCursor_ObjCStringLiteral:
3421 return createCXString("ObjCStringLiteral");
3422 case CXCursor_ObjCEncodeExpr:
3423 return createCXString("ObjCEncodeExpr");
3424 case CXCursor_ObjCSelectorExpr:
3425 return createCXString("ObjCSelectorExpr");
3426 case CXCursor_ObjCProtocolExpr:
3427 return createCXString("ObjCProtocolExpr");
3428 case CXCursor_ObjCBridgedCastExpr:
3429 return createCXString("ObjCBridgedCastExpr");
3430 case CXCursor_BlockExpr:
3431 return createCXString("BlockExpr");
3432 case CXCursor_PackExpansionExpr:
3433 return createCXString("PackExpansionExpr");
3434 case CXCursor_SizeOfPackExpr:
3435 return createCXString("SizeOfPackExpr");
3436 case CXCursor_UnexposedExpr:
3437 return createCXString("UnexposedExpr");
3438 case CXCursor_DeclRefExpr:
3439 return createCXString("DeclRefExpr");
3440 case CXCursor_MemberRefExpr:
3441 return createCXString("MemberRefExpr");
3442 case CXCursor_CallExpr:
3443 return createCXString("CallExpr");
3444 case CXCursor_ObjCMessageExpr:
3445 return createCXString("ObjCMessageExpr");
3446 case CXCursor_UnexposedStmt:
3447 return createCXString("UnexposedStmt");
3448 case CXCursor_DeclStmt:
3449 return createCXString("DeclStmt");
3450 case CXCursor_LabelStmt:
3451 return createCXString("LabelStmt");
3452 case CXCursor_CompoundStmt:
3453 return createCXString("CompoundStmt");
3454 case CXCursor_CaseStmt:
3455 return createCXString("CaseStmt");
3456 case CXCursor_DefaultStmt:
3457 return createCXString("DefaultStmt");
3458 case CXCursor_IfStmt:
3459 return createCXString("IfStmt");
3460 case CXCursor_SwitchStmt:
3461 return createCXString("SwitchStmt");
3462 case CXCursor_WhileStmt:
3463 return createCXString("WhileStmt");
3464 case CXCursor_DoStmt:
3465 return createCXString("DoStmt");
3466 case CXCursor_ForStmt:
3467 return createCXString("ForStmt");
3468 case CXCursor_GotoStmt:
3469 return createCXString("GotoStmt");
3470 case CXCursor_IndirectGotoStmt:
3471 return createCXString("IndirectGotoStmt");
3472 case CXCursor_ContinueStmt:
3473 return createCXString("ContinueStmt");
3474 case CXCursor_BreakStmt:
3475 return createCXString("BreakStmt");
3476 case CXCursor_ReturnStmt:
3477 return createCXString("ReturnStmt");
3478 case CXCursor_AsmStmt:
3479 return createCXString("AsmStmt");
3480 case CXCursor_ObjCAtTryStmt:
3481 return createCXString("ObjCAtTryStmt");
3482 case CXCursor_ObjCAtCatchStmt:
3483 return createCXString("ObjCAtCatchStmt");
3484 case CXCursor_ObjCAtFinallyStmt:
3485 return createCXString("ObjCAtFinallyStmt");
3486 case CXCursor_ObjCAtThrowStmt:
3487 return createCXString("ObjCAtThrowStmt");
3488 case CXCursor_ObjCAtSynchronizedStmt:
3489 return createCXString("ObjCAtSynchronizedStmt");
3490 case CXCursor_ObjCAutoreleasePoolStmt:
3491 return createCXString("ObjCAutoreleasePoolStmt");
3492 case CXCursor_ObjCForCollectionStmt:
3493 return createCXString("ObjCForCollectionStmt");
3494 case CXCursor_CXXCatchStmt:
3495 return createCXString("CXXCatchStmt");
3496 case CXCursor_CXXTryStmt:
3497 return createCXString("CXXTryStmt");
3498 case CXCursor_CXXForRangeStmt:
3499 return createCXString("CXXForRangeStmt");
3500 case CXCursor_SEHTryStmt:
3501 return createCXString("SEHTryStmt");
3502 case CXCursor_SEHExceptStmt:
3503 return createCXString("SEHExceptStmt");
3504 case CXCursor_SEHFinallyStmt:
3505 return createCXString("SEHFinallyStmt");
3506 case CXCursor_NullStmt:
3507 return createCXString("NullStmt");
3508 case CXCursor_InvalidFile:
3509 return createCXString("InvalidFile");
3510 case CXCursor_InvalidCode:
3511 return createCXString("InvalidCode");
3512 case CXCursor_NoDeclFound:
3513 return createCXString("NoDeclFound");
3514 case CXCursor_NotImplemented:
3515 return createCXString("NotImplemented");
3516 case CXCursor_TranslationUnit:
3517 return createCXString("TranslationUnit");
3518 case CXCursor_UnexposedAttr:
3519 return createCXString("UnexposedAttr");
3520 case CXCursor_IBActionAttr:
3521 return createCXString("attribute(ibaction)");
3522 case CXCursor_IBOutletAttr:
3523 return createCXString("attribute(iboutlet)");
3524 case CXCursor_IBOutletCollectionAttr:
3525 return createCXString("attribute(iboutletcollection)");
3526 case CXCursor_CXXFinalAttr:
3527 return createCXString("attribute(final)");
3528 case CXCursor_CXXOverrideAttr:
3529 return createCXString("attribute(override)");
3530 case CXCursor_AnnotateAttr:
3531 return createCXString("attribute(annotate)");
3532 case CXCursor_PreprocessingDirective:
3533 return createCXString("preprocessing directive");
3534 case CXCursor_MacroDefinition:
3535 return createCXString("macro definition");
3536 case CXCursor_MacroExpansion:
3537 return createCXString("macro expansion");
3538 case CXCursor_InclusionDirective:
3539 return createCXString("inclusion directive");
3540 case CXCursor_Namespace:
3541 return createCXString("Namespace");
3542 case CXCursor_LinkageSpec:
3543 return createCXString("LinkageSpec");
3544 case CXCursor_CXXBaseSpecifier:
3545 return createCXString("C++ base class specifier");
3546 case CXCursor_Constructor:
3547 return createCXString("CXXConstructor");
3548 case CXCursor_Destructor:
3549 return createCXString("CXXDestructor");
3550 case CXCursor_ConversionFunction:
3551 return createCXString("CXXConversion");
3552 case CXCursor_TemplateTypeParameter:
3553 return createCXString("TemplateTypeParameter");
3554 case CXCursor_NonTypeTemplateParameter:
3555 return createCXString("NonTypeTemplateParameter");
3556 case CXCursor_TemplateTemplateParameter:
3557 return createCXString("TemplateTemplateParameter");
3558 case CXCursor_FunctionTemplate:
3559 return createCXString("FunctionTemplate");
3560 case CXCursor_ClassTemplate:
3561 return createCXString("ClassTemplate");
3562 case CXCursor_ClassTemplatePartialSpecialization:
3563 return createCXString("ClassTemplatePartialSpecialization");
3564 case CXCursor_NamespaceAlias:
3565 return createCXString("NamespaceAlias");
3566 case CXCursor_UsingDirective:
3567 return createCXString("UsingDirective");
3568 case CXCursor_UsingDeclaration:
3569 return createCXString("UsingDeclaration");
3570 case CXCursor_TypeAliasDecl:
3571 return createCXString("TypeAliasDecl");
3572 case CXCursor_ObjCSynthesizeDecl:
3573 return createCXString("ObjCSynthesizeDecl");
3574 case CXCursor_ObjCDynamicDecl:
3575 return createCXString("ObjCDynamicDecl");
3576 case CXCursor_CXXAccessSpecifier:
3577 return createCXString("CXXAccessSpecifier");
3580 llvm_unreachable("Unhandled CXCursorKind");
3581 return createCXString((const char*) 0);
3584 struct GetCursorData {
3585 SourceLocation TokenBeginLoc;
3586 bool PointsAtMacroArgExpansion;
3587 CXCursor &BestCursor;
3589 GetCursorData(SourceManager &SM,
3590 SourceLocation tokenBegin, CXCursor &outputCursor)
3591 : TokenBeginLoc(tokenBegin), BestCursor(outputCursor) {
3592 PointsAtMacroArgExpansion = SM.isMacroArgExpansion(tokenBegin);
3596 static enum CXChildVisitResult GetCursorVisitor(CXCursor cursor,
3598 CXClientData client_data) {
3599 GetCursorData *Data = static_cast<GetCursorData *>(client_data);
3600 CXCursor *BestCursor = &Data->BestCursor;
3602 // If we point inside a macro argument we should provide info of what the
3603 // token is so use the actual cursor, don't replace it with a macro expansion
3605 if (cursor.kind == CXCursor_MacroExpansion && Data->PointsAtMacroArgExpansion)
3606 return CXChildVisit_Recurse;
3608 if (clang_isDeclaration(cursor.kind)) {
3609 // Avoid having the implicit methods override the property decls.
3610 if (ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(getCursorDecl(cursor)))
3611 if (MD->isImplicit())
3612 return CXChildVisit_Break;
3615 if (clang_isExpression(cursor.kind) &&
3616 clang_isDeclaration(BestCursor->kind)) {
3617 Decl *D = getCursorDecl(*BestCursor);
3619 // Avoid having the cursor of an expression replace the declaration cursor
3620 // when the expression source range overlaps the declaration range.
3621 // This can happen for C++ constructor expressions whose range generally
3622 // include the variable declaration, e.g.:
3623 // MyCXXClass foo; // Make sure pointing at 'foo' returns a VarDecl cursor.
3624 if (D->getLocation().isValid() && Data->TokenBeginLoc.isValid() &&
3625 D->getLocation() == Data->TokenBeginLoc)
3626 return CXChildVisit_Break;
3629 // If our current best cursor is the construction of a temporary object,
3630 // don't replace that cursor with a type reference, because we want
3631 // clang_getCursor() to point at the constructor.
3632 if (clang_isExpression(BestCursor->kind) &&
3633 isa<CXXTemporaryObjectExpr>(getCursorExpr(*BestCursor)) &&
3634 cursor.kind == CXCursor_TypeRef) {
3635 // Keep the cursor pointing at CXXTemporaryObjectExpr but also mark it
3636 // as having the actual point on the type reference.
3637 *BestCursor = getTypeRefedCallExprCursor(*BestCursor);
3638 return CXChildVisit_Recurse;
3641 *BestCursor = cursor;
3642 return CXChildVisit_Recurse;
3645 CXCursor clang_getCursor(CXTranslationUnit TU, CXSourceLocation Loc) {
3647 return clang_getNullCursor();
3649 ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
3650 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
3652 SourceLocation SLoc = cxloc::translateSourceLocation(Loc);
3653 CXCursor Result = cxcursor::getCursor(TU, SLoc);
3655 bool Logging = getenv("LIBCLANG_LOGGING");
3658 unsigned SearchLine, SearchColumn;
3660 unsigned ResultLine, ResultColumn;
3661 CXString SearchFileName, ResultFileName, KindSpelling, USR;
3662 const char *IsDef = clang_isCursorDefinition(Result)? " (Definition)" : "";
3663 CXSourceLocation ResultLoc = clang_getCursorLocation(Result);
3665 clang_getExpansionLocation(Loc, &SearchFile, &SearchLine, &SearchColumn, 0);
3666 clang_getExpansionLocation(ResultLoc, &ResultFile, &ResultLine,
3668 SearchFileName = clang_getFileName(SearchFile);
3669 ResultFileName = clang_getFileName(ResultFile);
3670 KindSpelling = clang_getCursorKindSpelling(Result.kind);
3671 USR = clang_getCursorUSR(Result);
3672 fprintf(stderr, "clang_getCursor(%s:%d:%d) = %s(%s:%d:%d):%s%s\n",
3673 clang_getCString(SearchFileName), SearchLine, SearchColumn,
3674 clang_getCString(KindSpelling),
3675 clang_getCString(ResultFileName), ResultLine, ResultColumn,
3676 clang_getCString(USR), IsDef);
3677 clang_disposeString(SearchFileName);
3678 clang_disposeString(ResultFileName);
3679 clang_disposeString(KindSpelling);
3680 clang_disposeString(USR);
3682 CXCursor Definition = clang_getCursorDefinition(Result);
3683 if (!clang_equalCursors(Definition, clang_getNullCursor())) {
3684 CXSourceLocation DefinitionLoc = clang_getCursorLocation(Definition);
3685 CXString DefinitionKindSpelling
3686 = clang_getCursorKindSpelling(Definition.kind);
3687 CXFile DefinitionFile;
3688 unsigned DefinitionLine, DefinitionColumn;
3689 clang_getExpansionLocation(DefinitionLoc, &DefinitionFile,
3690 &DefinitionLine, &DefinitionColumn, 0);
3691 CXString DefinitionFileName = clang_getFileName(DefinitionFile);
3692 fprintf(stderr, " -> %s(%s:%d:%d)\n",
3693 clang_getCString(DefinitionKindSpelling),
3694 clang_getCString(DefinitionFileName),
3695 DefinitionLine, DefinitionColumn);
3696 clang_disposeString(DefinitionFileName);
3697 clang_disposeString(DefinitionKindSpelling);
3704 CXCursor clang_getNullCursor(void) {
3705 return MakeCXCursorInvalid(CXCursor_InvalidFile);
3708 unsigned clang_equalCursors(CXCursor X, CXCursor Y) {
3712 unsigned clang_hashCursor(CXCursor C) {
3714 if (clang_isExpression(C.kind) || clang_isStatement(C.kind))
3717 return llvm::DenseMapInfo<std::pair<unsigned, void*> >::getHashValue(
3718 std::make_pair(C.kind, C.data[Index]));
3721 unsigned clang_isInvalid(enum CXCursorKind K) {
3722 return K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid;
3725 unsigned clang_isDeclaration(enum CXCursorKind K) {
3726 return K >= CXCursor_FirstDecl && K <= CXCursor_LastDecl;
3729 unsigned clang_isReference(enum CXCursorKind K) {
3730 return K >= CXCursor_FirstRef && K <= CXCursor_LastRef;
3733 unsigned clang_isExpression(enum CXCursorKind K) {
3734 return K >= CXCursor_FirstExpr && K <= CXCursor_LastExpr;
3737 unsigned clang_isStatement(enum CXCursorKind K) {
3738 return K >= CXCursor_FirstStmt && K <= CXCursor_LastStmt;
3741 unsigned clang_isAttribute(enum CXCursorKind K) {
3742 return K >= CXCursor_FirstAttr && K <= CXCursor_LastAttr;
3745 unsigned clang_isTranslationUnit(enum CXCursorKind K) {
3746 return K == CXCursor_TranslationUnit;
3749 unsigned clang_isPreprocessing(enum CXCursorKind K) {
3750 return K >= CXCursor_FirstPreprocessing && K <= CXCursor_LastPreprocessing;
3753 unsigned clang_isUnexposed(enum CXCursorKind K) {
3755 case CXCursor_UnexposedDecl:
3756 case CXCursor_UnexposedExpr:
3757 case CXCursor_UnexposedStmt:
3758 case CXCursor_UnexposedAttr:
3765 CXCursorKind clang_getCursorKind(CXCursor C) {
3769 CXSourceLocation clang_getCursorLocation(CXCursor C) {
3770 if (clang_isReference(C.kind)) {
3772 case CXCursor_ObjCSuperClassRef: {
3773 std::pair<ObjCInterfaceDecl *, SourceLocation> P
3774 = getCursorObjCSuperClassRef(C);
3775 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
3778 case CXCursor_ObjCProtocolRef: {
3779 std::pair<ObjCProtocolDecl *, SourceLocation> P
3780 = getCursorObjCProtocolRef(C);
3781 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
3784 case CXCursor_ObjCClassRef: {
3785 std::pair<ObjCInterfaceDecl *, SourceLocation> P
3786 = getCursorObjCClassRef(C);
3787 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
3790 case CXCursor_TypeRef: {
3791 std::pair<TypeDecl *, SourceLocation> P = getCursorTypeRef(C);
3792 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
3795 case CXCursor_TemplateRef: {
3796 std::pair<TemplateDecl *, SourceLocation> P = getCursorTemplateRef(C);
3797 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
3800 case CXCursor_NamespaceRef: {
3801 std::pair<NamedDecl *, SourceLocation> P = getCursorNamespaceRef(C);
3802 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
3805 case CXCursor_MemberRef: {
3806 std::pair<FieldDecl *, SourceLocation> P = getCursorMemberRef(C);
3807 return cxloc::translateSourceLocation(P.first->getASTContext(), P.second);
3810 case CXCursor_CXXBaseSpecifier: {
3811 CXXBaseSpecifier *BaseSpec = getCursorCXXBaseSpecifier(C);
3813 return clang_getNullLocation();
3815 if (TypeSourceInfo *TSInfo = BaseSpec->getTypeSourceInfo())
3816 return cxloc::translateSourceLocation(getCursorContext(C),
3817 TSInfo->getTypeLoc().getBeginLoc());
3819 return cxloc::translateSourceLocation(getCursorContext(C),
3820 BaseSpec->getSourceRange().getBegin());
3823 case CXCursor_LabelRef: {
3824 std::pair<LabelStmt *, SourceLocation> P = getCursorLabelRef(C);
3825 return cxloc::translateSourceLocation(getCursorContext(C), P.second);
3828 case CXCursor_OverloadedDeclRef:
3829 return cxloc::translateSourceLocation(getCursorContext(C),
3830 getCursorOverloadedDeclRef(C).second);
3833 // FIXME: Need a way to enumerate all non-reference cases.
3834 llvm_unreachable("Missed a reference kind");
3838 if (clang_isExpression(C.kind))
3839 return cxloc::translateSourceLocation(getCursorContext(C),
3840 getLocationFromExpr(getCursorExpr(C)));
3842 if (clang_isStatement(C.kind))
3843 return cxloc::translateSourceLocation(getCursorContext(C),
3844 getCursorStmt(C)->getLocStart());
3846 if (C.kind == CXCursor_PreprocessingDirective) {
3847 SourceLocation L = cxcursor::getCursorPreprocessingDirective(C).getBegin();
3848 return cxloc::translateSourceLocation(getCursorContext(C), L);
3851 if (C.kind == CXCursor_MacroExpansion) {
3853 = cxcursor::getCursorMacroExpansion(C)->getSourceRange().getBegin();
3854 return cxloc::translateSourceLocation(getCursorContext(C), L);
3857 if (C.kind == CXCursor_MacroDefinition) {
3858 SourceLocation L = cxcursor::getCursorMacroDefinition(C)->getLocation();
3859 return cxloc::translateSourceLocation(getCursorContext(C), L);
3862 if (C.kind == CXCursor_InclusionDirective) {
3864 = cxcursor::getCursorInclusionDirective(C)->getSourceRange().getBegin();
3865 return cxloc::translateSourceLocation(getCursorContext(C), L);
3868 if (C.kind < CXCursor_FirstDecl || C.kind > CXCursor_LastDecl)
3869 return clang_getNullLocation();
3871 Decl *D = getCursorDecl(C);
3872 SourceLocation Loc = D->getLocation();
3873 // FIXME: Multiple variables declared in a single declaration
3874 // currently lack the information needed to correctly determine their
3875 // ranges when accounting for the type-specifier. We use context
3876 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
3877 // and if so, whether it is the first decl.
3878 if (VarDecl *VD = dyn_cast<VarDecl>(D)) {
3879 if (!cxcursor::isFirstInDeclGroup(C))
3880 Loc = VD->getLocation();
3883 return cxloc::translateSourceLocation(getCursorContext(C), Loc);
3888 CXCursor cxcursor::getCursor(CXTranslationUnit TU, SourceLocation SLoc) {
3891 // Guard against an invalid SourceLocation, or we may assert in one
3892 // of the following calls.
3893 if (SLoc.isInvalid())
3894 return clang_getNullCursor();
3896 ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
3898 // Translate the given source location to make it point at the beginning of
3899 // the token under the cursor.
3900 SLoc = Lexer::GetBeginningOfToken(SLoc, CXXUnit->getSourceManager(),
3901 CXXUnit->getASTContext().getLangOptions());
3903 CXCursor Result = MakeCXCursorInvalid(CXCursor_NoDeclFound);
3904 if (SLoc.isValid()) {
3905 // FIXME: Would be great to have a "hint" cursor, then walk from that
3906 // hint cursor upward until we find a cursor whose source range encloses
3907 // the region of interest, rather than starting from the translation unit.
3908 GetCursorData ResultData(CXXUnit->getSourceManager(), SLoc, Result);
3909 CXCursor Parent = clang_getTranslationUnitCursor(TU);
3910 CursorVisitor CursorVis(TU, GetCursorVisitor, &ResultData,
3911 /*VisitPreprocessorLast=*/true,
3912 SourceLocation(SLoc));
3913 CursorVis.VisitChildren(Parent);
3919 static SourceRange getRawCursorExtent(CXCursor C) {
3920 if (clang_isReference(C.kind)) {
3922 case CXCursor_ObjCSuperClassRef:
3923 return getCursorObjCSuperClassRef(C).second;
3925 case CXCursor_ObjCProtocolRef:
3926 return getCursorObjCProtocolRef(C).second;
3928 case CXCursor_ObjCClassRef:
3929 return getCursorObjCClassRef(C).second;
3931 case CXCursor_TypeRef:
3932 return getCursorTypeRef(C).second;
3934 case CXCursor_TemplateRef:
3935 return getCursorTemplateRef(C).second;
3937 case CXCursor_NamespaceRef:
3938 return getCursorNamespaceRef(C).second;
3940 case CXCursor_MemberRef:
3941 return getCursorMemberRef(C).second;
3943 case CXCursor_CXXBaseSpecifier:
3944 return getCursorCXXBaseSpecifier(C)->getSourceRange();
3946 case CXCursor_LabelRef:
3947 return getCursorLabelRef(C).second;
3949 case CXCursor_OverloadedDeclRef:
3950 return getCursorOverloadedDeclRef(C).second;
3953 // FIXME: Need a way to enumerate all non-reference cases.
3954 llvm_unreachable("Missed a reference kind");
3958 if (clang_isExpression(C.kind))
3959 return getCursorExpr(C)->getSourceRange();
3961 if (clang_isStatement(C.kind))
3962 return getCursorStmt(C)->getSourceRange();
3964 if (clang_isAttribute(C.kind))
3965 return getCursorAttr(C)->getRange();
3967 if (C.kind == CXCursor_PreprocessingDirective)
3968 return cxcursor::getCursorPreprocessingDirective(C);
3970 if (C.kind == CXCursor_MacroExpansion) {
3971 ASTUnit *TU = getCursorASTUnit(C);
3972 SourceRange Range = cxcursor::getCursorMacroExpansion(C)->getSourceRange();
3973 return TU->mapRangeFromPreamble(Range);
3976 if (C.kind == CXCursor_MacroDefinition) {
3977 ASTUnit *TU = getCursorASTUnit(C);
3978 SourceRange Range = cxcursor::getCursorMacroDefinition(C)->getSourceRange();
3979 return TU->mapRangeFromPreamble(Range);
3982 if (C.kind == CXCursor_InclusionDirective) {
3983 ASTUnit *TU = getCursorASTUnit(C);
3984 SourceRange Range = cxcursor::getCursorInclusionDirective(C)->getSourceRange();
3985 return TU->mapRangeFromPreamble(Range);
3988 if (C.kind >= CXCursor_FirstDecl && C.kind <= CXCursor_LastDecl) {
3989 Decl *D = cxcursor::getCursorDecl(C);
3990 SourceRange R = D->getSourceRange();
3991 // FIXME: Multiple variables declared in a single declaration
3992 // currently lack the information needed to correctly determine their
3993 // ranges when accounting for the type-specifier. We use context
3994 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
3995 // and if so, whether it is the first decl.
3996 if (VarDecl *VD = dyn_cast<VarDecl>(D)) {
3997 if (!cxcursor::isFirstInDeclGroup(C))
3998 R.setBegin(VD->getLocation());
4002 return SourceRange();
4005 /// \brief Retrieves the "raw" cursor extent, which is then extended to include
4006 /// the decl-specifier-seq for declarations.
4007 static SourceRange getFullCursorExtent(CXCursor C, SourceManager &SrcMgr) {
4008 if (C.kind >= CXCursor_FirstDecl && C.kind <= CXCursor_LastDecl) {
4009 Decl *D = cxcursor::getCursorDecl(C);
4010 SourceRange R = D->getSourceRange();
4012 // Adjust the start of the location for declarations preceded by
4013 // declaration specifiers.
4014 SourceLocation StartLoc;
4015 if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
4016 if (TypeSourceInfo *TI = DD->getTypeSourceInfo())
4017 StartLoc = TI->getTypeLoc().getSourceRange().getBegin();
4018 } else if (TypedefDecl *Typedef = dyn_cast<TypedefDecl>(D)) {
4019 if (TypeSourceInfo *TI = Typedef->getTypeSourceInfo())
4020 StartLoc = TI->getTypeLoc().getSourceRange().getBegin();
4023 if (StartLoc.isValid() && R.getBegin().isValid() &&
4024 SrcMgr.isBeforeInTranslationUnit(StartLoc, R.getBegin()))
4025 R.setBegin(StartLoc);
4027 // FIXME: Multiple variables declared in a single declaration
4028 // currently lack the information needed to correctly determine their
4029 // ranges when accounting for the type-specifier. We use context
4030 // stored in the CXCursor to determine if the VarDecl is in a DeclGroup,
4031 // and if so, whether it is the first decl.
4032 if (VarDecl *VD = dyn_cast<VarDecl>(D)) {
4033 if (!cxcursor::isFirstInDeclGroup(C))
4034 R.setBegin(VD->getLocation());
4040 return getRawCursorExtent(C);
4045 CXSourceRange clang_getCursorExtent(CXCursor C) {
4046 SourceRange R = getRawCursorExtent(C);
4048 return clang_getNullRange();
4050 return cxloc::translateSourceRange(getCursorContext(C), R);
4053 CXCursor clang_getCursorReferenced(CXCursor C) {
4054 if (clang_isInvalid(C.kind))
4055 return clang_getNullCursor();
4057 CXTranslationUnit tu = getCursorTU(C);
4058 if (clang_isDeclaration(C.kind)) {
4059 Decl *D = getCursorDecl(C);
4060 if (UsingDecl *Using = dyn_cast<UsingDecl>(D))
4061 return MakeCursorOverloadedDeclRef(Using, D->getLocation(), tu);
4062 if (ObjCClassDecl *Classes = dyn_cast<ObjCClassDecl>(D))
4063 return MakeCursorOverloadedDeclRef(Classes, D->getLocation(), tu);
4064 if (ObjCForwardProtocolDecl *Protocols
4065 = dyn_cast<ObjCForwardProtocolDecl>(D))
4066 return MakeCursorOverloadedDeclRef(Protocols, D->getLocation(), tu);
4067 if (ObjCPropertyImplDecl *PropImpl =dyn_cast<ObjCPropertyImplDecl>(D))
4068 if (ObjCPropertyDecl *Property = PropImpl->getPropertyDecl())
4069 return MakeCXCursor(Property, tu);
4074 if (clang_isExpression(C.kind)) {
4075 Expr *E = getCursorExpr(C);
4076 Decl *D = getDeclFromExpr(E);
4078 CXCursor declCursor = MakeCXCursor(D, tu);
4079 declCursor = getSelectorIdentifierCursor(getSelectorIdentifierIndex(C),
4084 if (OverloadExpr *Ovl = dyn_cast_or_null<OverloadExpr>(E))
4085 return MakeCursorOverloadedDeclRef(Ovl, tu);
4087 return clang_getNullCursor();
4090 if (clang_isStatement(C.kind)) {
4091 Stmt *S = getCursorStmt(C);
4092 if (GotoStmt *Goto = dyn_cast_or_null<GotoStmt>(S))
4093 if (LabelDecl *label = Goto->getLabel())
4094 if (LabelStmt *labelS = label->getStmt())
4095 return MakeCXCursor(labelS, getCursorDecl(C), tu);
4097 return clang_getNullCursor();
4100 if (C.kind == CXCursor_MacroExpansion) {
4101 if (MacroDefinition *Def = getCursorMacroExpansion(C)->getDefinition())
4102 return MakeMacroDefinitionCursor(Def, tu);
4105 if (!clang_isReference(C.kind))
4106 return clang_getNullCursor();
4109 case CXCursor_ObjCSuperClassRef:
4110 return MakeCXCursor(getCursorObjCSuperClassRef(C).first, tu);
4112 case CXCursor_ObjCProtocolRef: {
4113 return MakeCXCursor(getCursorObjCProtocolRef(C).first, tu);
4115 case CXCursor_ObjCClassRef:
4116 return MakeCXCursor(getCursorObjCClassRef(C).first, tu );
4118 case CXCursor_TypeRef:
4119 return MakeCXCursor(getCursorTypeRef(C).first, tu );
4121 case CXCursor_TemplateRef:
4122 return MakeCXCursor(getCursorTemplateRef(C).first, tu );
4124 case CXCursor_NamespaceRef:
4125 return MakeCXCursor(getCursorNamespaceRef(C).first, tu );
4127 case CXCursor_MemberRef:
4128 return MakeCXCursor(getCursorMemberRef(C).first, tu );
4130 case CXCursor_CXXBaseSpecifier: {
4131 CXXBaseSpecifier *B = cxcursor::getCursorCXXBaseSpecifier(C);
4132 return clang_getTypeDeclaration(cxtype::MakeCXType(B->getType(),
4136 case CXCursor_LabelRef:
4137 // FIXME: We end up faking the "parent" declaration here because we
4138 // don't want to make CXCursor larger.
4139 return MakeCXCursor(getCursorLabelRef(C).first,
4140 static_cast<ASTUnit*>(tu->TUData)->getASTContext()
4141 .getTranslationUnitDecl(),
4144 case CXCursor_OverloadedDeclRef:
4148 // We would prefer to enumerate all non-reference cursor kinds here.
4149 llvm_unreachable("Unhandled reference cursor kind");
4154 return clang_getNullCursor();
4157 CXCursor clang_getCursorDefinition(CXCursor C) {
4158 if (clang_isInvalid(C.kind))
4159 return clang_getNullCursor();
4161 CXTranslationUnit TU = getCursorTU(C);
4163 bool WasReference = false;
4164 if (clang_isReference(C.kind) || clang_isExpression(C.kind)) {
4165 C = clang_getCursorReferenced(C);
4166 WasReference = true;
4169 if (C.kind == CXCursor_MacroExpansion)
4170 return clang_getCursorReferenced(C);
4172 if (!clang_isDeclaration(C.kind))
4173 return clang_getNullCursor();
4175 Decl *D = getCursorDecl(C);
4177 return clang_getNullCursor();
4179 switch (D->getKind()) {
4180 // Declaration kinds that don't really separate the notions of
4181 // declaration and definition.
4182 case Decl::Namespace:
4184 case Decl::TypeAlias:
4185 case Decl::TypeAliasTemplate:
4186 case Decl::TemplateTypeParm:
4187 case Decl::EnumConstant:
4189 case Decl::IndirectField:
4190 case Decl::ObjCIvar:
4191 case Decl::ObjCAtDefsField:
4192 case Decl::ImplicitParam:
4194 case Decl::NonTypeTemplateParm:
4195 case Decl::TemplateTemplateParm:
4196 case Decl::ObjCCategoryImpl:
4197 case Decl::ObjCImplementation:
4198 case Decl::AccessSpec:
4199 case Decl::LinkageSpec:
4200 case Decl::ObjCPropertyImpl:
4201 case Decl::FileScopeAsm:
4202 case Decl::StaticAssert:
4204 case Decl::Label: // FIXME: Is this right??
4205 case Decl::ClassScopeFunctionSpecialization:
4208 // Declaration kinds that don't make any sense here, but are
4209 // nonetheless harmless.
4210 case Decl::TranslationUnit:
4213 // Declaration kinds for which the definition is not resolvable.
4214 case Decl::UnresolvedUsingTypename:
4215 case Decl::UnresolvedUsingValue:
4218 case Decl::UsingDirective:
4219 return MakeCXCursor(cast<UsingDirectiveDecl>(D)->getNominatedNamespace(),
4222 case Decl::NamespaceAlias:
4223 return MakeCXCursor(cast<NamespaceAliasDecl>(D)->getNamespace(), TU);
4227 case Decl::CXXRecord:
4228 case Decl::ClassTemplateSpecialization:
4229 case Decl::ClassTemplatePartialSpecialization:
4230 if (TagDecl *Def = cast<TagDecl>(D)->getDefinition())
4231 return MakeCXCursor(Def, TU);
4232 return clang_getNullCursor();
4234 case Decl::Function:
4235 case Decl::CXXMethod:
4236 case Decl::CXXConstructor:
4237 case Decl::CXXDestructor:
4238 case Decl::CXXConversion: {
4239 const FunctionDecl *Def = 0;
4240 if (cast<FunctionDecl>(D)->getBody(Def))
4241 return MakeCXCursor(const_cast<FunctionDecl *>(Def), TU);
4242 return clang_getNullCursor();
4246 // Ask the variable if it has a definition.
4247 if (VarDecl *Def = cast<VarDecl>(D)->getDefinition())
4248 return MakeCXCursor(Def, TU);
4249 return clang_getNullCursor();
4252 case Decl::FunctionTemplate: {
4253 const FunctionDecl *Def = 0;
4254 if (cast<FunctionTemplateDecl>(D)->getTemplatedDecl()->getBody(Def))
4255 return MakeCXCursor(Def->getDescribedFunctionTemplate(), TU);
4256 return clang_getNullCursor();
4259 case Decl::ClassTemplate: {
4260 if (RecordDecl *Def = cast<ClassTemplateDecl>(D)->getTemplatedDecl()
4262 return MakeCXCursor(cast<CXXRecordDecl>(Def)->getDescribedClassTemplate(),
4264 return clang_getNullCursor();
4268 return MakeCursorOverloadedDeclRef(cast<UsingDecl>(D),
4269 D->getLocation(), TU);
4271 case Decl::UsingShadow:
4272 return clang_getCursorDefinition(
4273 MakeCXCursor(cast<UsingShadowDecl>(D)->getTargetDecl(),
4276 case Decl::ObjCMethod: {
4277 ObjCMethodDecl *Method = cast<ObjCMethodDecl>(D);
4278 if (Method->isThisDeclarationADefinition())
4281 // Dig out the method definition in the associated
4282 // @implementation, if we have it.
4283 // FIXME: The ASTs should make finding the definition easier.
4284 if (ObjCInterfaceDecl *Class
4285 = dyn_cast<ObjCInterfaceDecl>(Method->getDeclContext()))
4286 if (ObjCImplementationDecl *ClassImpl = Class->getImplementation())
4287 if (ObjCMethodDecl *Def = ClassImpl->getMethod(Method->getSelector(),
4288 Method->isInstanceMethod()))
4289 if (Def->isThisDeclarationADefinition())
4290 return MakeCXCursor(Def, TU);
4292 return clang_getNullCursor();
4295 case Decl::ObjCCategory:
4296 if (ObjCCategoryImplDecl *Impl
4297 = cast<ObjCCategoryDecl>(D)->getImplementation())
4298 return MakeCXCursor(Impl, TU);
4299 return clang_getNullCursor();
4301 case Decl::ObjCProtocol:
4302 if (!cast<ObjCProtocolDecl>(D)->isForwardDecl())
4304 return clang_getNullCursor();
4306 case Decl::ObjCInterface:
4307 // There are two notions of a "definition" for an Objective-C
4308 // class: the interface and its implementation. When we resolved a
4309 // reference to an Objective-C class, produce the @interface as
4310 // the definition; when we were provided with the interface,
4311 // produce the @implementation as the definition.
4313 if (!cast<ObjCInterfaceDecl>(D)->isForwardDecl())
4315 } else if (ObjCImplementationDecl *Impl
4316 = cast<ObjCInterfaceDecl>(D)->getImplementation())
4317 return MakeCXCursor(Impl, TU);
4318 return clang_getNullCursor();
4320 case Decl::ObjCProperty:
4321 // FIXME: We don't really know where to find the
4322 // ObjCPropertyImplDecls that implement this property.
4323 return clang_getNullCursor();
4325 case Decl::ObjCCompatibleAlias:
4326 if (ObjCInterfaceDecl *Class
4327 = cast<ObjCCompatibleAliasDecl>(D)->getClassInterface())
4328 if (!Class->isForwardDecl())
4329 return MakeCXCursor(Class, TU);
4331 return clang_getNullCursor();
4333 case Decl::ObjCForwardProtocol:
4334 return MakeCursorOverloadedDeclRef(cast<ObjCForwardProtocolDecl>(D),
4335 D->getLocation(), TU);
4337 case Decl::ObjCClass:
4338 return MakeCursorOverloadedDeclRef(cast<ObjCClassDecl>(D), D->getLocation(),
4342 if (NamedDecl *Friend = cast<FriendDecl>(D)->getFriendDecl())
4343 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
4344 return clang_getNullCursor();
4346 case Decl::FriendTemplate:
4347 if (NamedDecl *Friend = cast<FriendTemplateDecl>(D)->getFriendDecl())
4348 return clang_getCursorDefinition(MakeCXCursor(Friend, TU));
4349 return clang_getNullCursor();
4352 return clang_getNullCursor();
4355 unsigned clang_isCursorDefinition(CXCursor C) {
4356 if (!clang_isDeclaration(C.kind))
4359 return clang_getCursorDefinition(C) == C;
4362 CXCursor clang_getCanonicalCursor(CXCursor C) {
4363 if (!clang_isDeclaration(C.kind))
4366 if (Decl *D = getCursorDecl(C)) {
4367 if (ObjCCategoryImplDecl *CatImplD = dyn_cast<ObjCCategoryImplDecl>(D))
4368 if (ObjCCategoryDecl *CatD = CatImplD->getCategoryDecl())
4369 return MakeCXCursor(CatD, getCursorTU(C));
4371 if (ObjCImplDecl *ImplD = dyn_cast<ObjCImplDecl>(D))
4372 if (ObjCInterfaceDecl *IFD = ImplD->getClassInterface())
4373 return MakeCXCursor(IFD, getCursorTU(C));
4375 return MakeCXCursor(D->getCanonicalDecl(), getCursorTU(C));
4381 unsigned clang_getNumOverloadedDecls(CXCursor C) {
4382 if (C.kind != CXCursor_OverloadedDeclRef)
4385 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(C).first;
4386 if (OverloadExpr *E = Storage.dyn_cast<OverloadExpr *>())
4387 return E->getNumDecls();
4389 if (OverloadedTemplateStorage *S
4390 = Storage.dyn_cast<OverloadedTemplateStorage*>())
4393 Decl *D = Storage.get<Decl*>();
4394 if (UsingDecl *Using = dyn_cast<UsingDecl>(D))
4395 return Using->shadow_size();
4396 if (isa<ObjCClassDecl>(D))
4398 if (ObjCForwardProtocolDecl *Protocols =dyn_cast<ObjCForwardProtocolDecl>(D))
4399 return Protocols->protocol_size();
4404 CXCursor clang_getOverloadedDecl(CXCursor cursor, unsigned index) {
4405 if (cursor.kind != CXCursor_OverloadedDeclRef)
4406 return clang_getNullCursor();
4408 if (index >= clang_getNumOverloadedDecls(cursor))
4409 return clang_getNullCursor();
4411 CXTranslationUnit TU = getCursorTU(cursor);
4412 OverloadedDeclRefStorage Storage = getCursorOverloadedDeclRef(cursor).first;
4413 if (OverloadExpr *E = Storage.dyn_cast<OverloadExpr *>())
4414 return MakeCXCursor(E->decls_begin()[index], TU);
4416 if (OverloadedTemplateStorage *S
4417 = Storage.dyn_cast<OverloadedTemplateStorage*>())
4418 return MakeCXCursor(S->begin()[index], TU);
4420 Decl *D = Storage.get<Decl*>();
4421 if (UsingDecl *Using = dyn_cast<UsingDecl>(D)) {
4422 // FIXME: This is, unfortunately, linear time.
4423 UsingDecl::shadow_iterator Pos = Using->shadow_begin();
4424 std::advance(Pos, index);
4425 return MakeCXCursor(cast<UsingShadowDecl>(*Pos)->getTargetDecl(), TU);
4427 if (ObjCClassDecl *Classes = dyn_cast<ObjCClassDecl>(D))
4428 return MakeCXCursor(Classes->getForwardInterfaceDecl(), TU);
4429 if (ObjCForwardProtocolDecl *Protocols = dyn_cast<ObjCForwardProtocolDecl>(D))
4430 return MakeCXCursor(Protocols->protocol_begin()[index], TU);
4432 return clang_getNullCursor();
4435 void clang_getDefinitionSpellingAndExtent(CXCursor C,
4436 const char **startBuf,
4437 const char **endBuf,
4438 unsigned *startLine,
4439 unsigned *startColumn,
4441 unsigned *endColumn) {
4442 assert(getCursorDecl(C) && "CXCursor has null decl");
4443 NamedDecl *ND = static_cast<NamedDecl *>(getCursorDecl(C));
4444 FunctionDecl *FD = dyn_cast<FunctionDecl>(ND);
4445 CompoundStmt *Body = dyn_cast<CompoundStmt>(FD->getBody());
4447 SourceManager &SM = FD->getASTContext().getSourceManager();
4448 *startBuf = SM.getCharacterData(Body->getLBracLoc());
4449 *endBuf = SM.getCharacterData(Body->getRBracLoc());
4450 *startLine = SM.getSpellingLineNumber(Body->getLBracLoc());
4451 *startColumn = SM.getSpellingColumnNumber(Body->getLBracLoc());
4452 *endLine = SM.getSpellingLineNumber(Body->getRBracLoc());
4453 *endColumn = SM.getSpellingColumnNumber(Body->getRBracLoc());
4457 CXSourceRange clang_getCursorReferenceNameRange(CXCursor C, unsigned NameFlags,
4458 unsigned PieceIndex) {
4459 RefNamePieces Pieces;
4462 case CXCursor_MemberRefExpr:
4463 if (MemberExpr *E = dyn_cast<MemberExpr>(getCursorExpr(C)))
4464 Pieces = buildPieces(NameFlags, true, E->getMemberNameInfo(),
4465 E->getQualifierLoc().getSourceRange());
4468 case CXCursor_DeclRefExpr:
4469 if (DeclRefExpr *E = dyn_cast<DeclRefExpr>(getCursorExpr(C)))
4470 Pieces = buildPieces(NameFlags, false, E->getNameInfo(),
4471 E->getQualifierLoc().getSourceRange(),
4472 E->getExplicitTemplateArgsOpt());
4475 case CXCursor_CallExpr:
4476 if (CXXOperatorCallExpr *OCE =
4477 dyn_cast<CXXOperatorCallExpr>(getCursorExpr(C))) {
4478 Expr *Callee = OCE->getCallee();
4479 if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Callee))
4480 Callee = ICE->getSubExpr();
4482 if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Callee))
4483 Pieces = buildPieces(NameFlags, false, DRE->getNameInfo(),
4484 DRE->getQualifierLoc().getSourceRange());
4492 if (Pieces.empty()) {
4493 if (PieceIndex == 0)
4494 return clang_getCursorExtent(C);
4495 } else if (PieceIndex < Pieces.size()) {
4496 SourceRange R = Pieces[PieceIndex];
4498 return cxloc::translateSourceRange(getCursorContext(C), R);
4501 return clang_getNullRange();
4504 void clang_enableStackTraces(void) {
4505 llvm::sys::PrintStackTraceOnErrorSignal();
4508 void clang_executeOnThread(void (*fn)(void*), void *user_data,
4509 unsigned stack_size) {
4510 llvm::llvm_execute_on_thread(fn, user_data, stack_size);
4513 } // end: extern "C"
4515 //===----------------------------------------------------------------------===//
4516 // Token-based Operations.
4517 //===----------------------------------------------------------------------===//
4520 * int_data[0]: a CXTokenKind
4521 * int_data[1]: starting token location
4522 * int_data[2]: token length
4523 * int_data[3]: reserved
4524 * ptr_data: for identifiers and keywords, an IdentifierInfo*.
4529 CXTokenKind clang_getTokenKind(CXToken CXTok) {
4530 return static_cast<CXTokenKind>(CXTok.int_data[0]);
4533 CXString clang_getTokenSpelling(CXTranslationUnit TU, CXToken CXTok) {
4534 switch (clang_getTokenKind(CXTok)) {
4535 case CXToken_Identifier:
4536 case CXToken_Keyword:
4537 // We know we have an IdentifierInfo*, so use that.
4538 return createCXString(static_cast<IdentifierInfo *>(CXTok.ptr_data)
4541 case CXToken_Literal: {
4542 // We have stashed the starting pointer in the ptr_data field. Use it.
4543 const char *Text = static_cast<const char *>(CXTok.ptr_data);
4544 return createCXString(StringRef(Text, CXTok.int_data[2]));
4547 case CXToken_Punctuation:
4548 case CXToken_Comment:
4552 // We have to find the starting buffer pointer the hard way, by
4553 // deconstructing the source location.
4554 ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
4556 return createCXString("");
4558 SourceLocation Loc = SourceLocation::getFromRawEncoding(CXTok.int_data[1]);
4559 std::pair<FileID, unsigned> LocInfo
4560 = CXXUnit->getSourceManager().getDecomposedSpellingLoc(Loc);
4561 bool Invalid = false;
4563 = CXXUnit->getSourceManager().getBufferData(LocInfo.first, &Invalid);
4565 return createCXString("");
4567 return createCXString(Buffer.substr(LocInfo.second, CXTok.int_data[2]));
4570 CXSourceLocation clang_getTokenLocation(CXTranslationUnit TU, CXToken CXTok) {
4571 ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
4573 return clang_getNullLocation();
4575 return cxloc::translateSourceLocation(CXXUnit->getASTContext(),
4576 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
4579 CXSourceRange clang_getTokenExtent(CXTranslationUnit TU, CXToken CXTok) {
4580 ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
4582 return clang_getNullRange();
4584 return cxloc::translateSourceRange(CXXUnit->getASTContext(),
4585 SourceLocation::getFromRawEncoding(CXTok.int_data[1]));
4588 static void getTokens(ASTUnit *CXXUnit, SourceRange Range,
4589 SmallVectorImpl<CXToken> &CXTokens) {
4590 SourceManager &SourceMgr = CXXUnit->getSourceManager();
4591 std::pair<FileID, unsigned> BeginLocInfo
4592 = SourceMgr.getDecomposedLoc(Range.getBegin());
4593 std::pair<FileID, unsigned> EndLocInfo
4594 = SourceMgr.getDecomposedLoc(Range.getEnd());
4596 // Cannot tokenize across files.
4597 if (BeginLocInfo.first != EndLocInfo.first)
4601 bool Invalid = false;
4603 = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
4607 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
4608 CXXUnit->getASTContext().getLangOptions(),
4609 Buffer.begin(), Buffer.data() + BeginLocInfo.second, Buffer.end());
4610 Lex.SetCommentRetentionState(true);
4612 // Lex tokens until we hit the end of the range.
4613 const char *EffectiveBufferEnd = Buffer.data() + EndLocInfo.second;
4615 bool previousWasAt = false;
4617 // Lex the next token
4618 Lex.LexFromRawLexer(Tok);
4619 if (Tok.is(tok::eof))
4622 // Initialize the CXToken.
4626 CXTok.int_data[1] = Tok.getLocation().getRawEncoding();
4627 CXTok.int_data[2] = Tok.getLength();
4628 CXTok.int_data[3] = 0;
4630 // - Kind-specific fields
4631 if (Tok.isLiteral()) {
4632 CXTok.int_data[0] = CXToken_Literal;
4633 CXTok.ptr_data = (void *)Tok.getLiteralData();
4634 } else if (Tok.is(tok::raw_identifier)) {
4635 // Lookup the identifier to determine whether we have a keyword.
4637 = CXXUnit->getPreprocessor().LookUpIdentifierInfo(Tok);
4639 if ((II->getObjCKeywordID() != tok::objc_not_keyword) && previousWasAt) {
4640 CXTok.int_data[0] = CXToken_Keyword;
4643 CXTok.int_data[0] = Tok.is(tok::identifier)
4644 ? CXToken_Identifier
4647 CXTok.ptr_data = II;
4648 } else if (Tok.is(tok::comment)) {
4649 CXTok.int_data[0] = CXToken_Comment;
4652 CXTok.int_data[0] = CXToken_Punctuation;
4655 CXTokens.push_back(CXTok);
4656 previousWasAt = Tok.is(tok::at);
4657 } while (Lex.getBufferLocation() <= EffectiveBufferEnd);
4660 void clang_tokenize(CXTranslationUnit TU, CXSourceRange Range,
4661 CXToken **Tokens, unsigned *NumTokens) {
4667 ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
4668 if (!CXXUnit || !Tokens || !NumTokens)
4671 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
4673 SourceRange R = cxloc::translateCXSourceRange(Range);
4677 SmallVector<CXToken, 32> CXTokens;
4678 getTokens(CXXUnit, R, CXTokens);
4680 if (CXTokens.empty())
4683 *Tokens = (CXToken *)malloc(sizeof(CXToken) * CXTokens.size());
4684 memmove(*Tokens, CXTokens.data(), sizeof(CXToken) * CXTokens.size());
4685 *NumTokens = CXTokens.size();
4688 void clang_disposeTokens(CXTranslationUnit TU,
4689 CXToken *Tokens, unsigned NumTokens) {
4693 } // end: extern "C"
4695 //===----------------------------------------------------------------------===//
4696 // Token annotation APIs.
4697 //===----------------------------------------------------------------------===//
4699 typedef llvm::DenseMap<unsigned, CXCursor> AnnotateTokensData;
4700 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
4702 CXClientData client_data);
4704 class AnnotateTokensWorker {
4705 AnnotateTokensData &Annotated;
4710 unsigned PreprocessingTokIdx;
4711 CursorVisitor AnnotateVis;
4712 SourceManager &SrcMgr;
4713 bool HasContextSensitiveKeywords;
4715 bool MoreTokens() const { return TokIdx < NumTokens; }
4716 unsigned NextToken() const { return TokIdx; }
4717 void AdvanceToken() { ++TokIdx; }
4718 SourceLocation GetTokenLoc(unsigned tokI) {
4719 return SourceLocation::getFromRawEncoding(Tokens[tokI].int_data[1]);
4721 bool isFunctionMacroToken(unsigned tokI) const {
4722 return Tokens[tokI].int_data[3] != 0;
4724 SourceLocation getFunctionMacroTokenLoc(unsigned tokI) const {
4725 return SourceLocation::getFromRawEncoding(Tokens[tokI].int_data[3]);
4728 void annotateAndAdvanceTokens(CXCursor, RangeComparisonResult, SourceRange);
4729 void annotateAndAdvanceFunctionMacroTokens(CXCursor, RangeComparisonResult,
4733 AnnotateTokensWorker(AnnotateTokensData &annotated,
4734 CXToken *tokens, CXCursor *cursors, unsigned numTokens,
4735 CXTranslationUnit tu, SourceRange RegionOfInterest)
4736 : Annotated(annotated), Tokens(tokens), Cursors(cursors),
4737 NumTokens(numTokens), TokIdx(0), PreprocessingTokIdx(0),
4739 AnnotateTokensVisitor, this, true, RegionOfInterest),
4740 SrcMgr(static_cast<ASTUnit*>(tu->TUData)->getSourceManager()),
4741 HasContextSensitiveKeywords(false) { }
4743 void VisitChildren(CXCursor C) { AnnotateVis.VisitChildren(C); }
4744 enum CXChildVisitResult Visit(CXCursor cursor, CXCursor parent);
4745 void AnnotateTokens(CXCursor parent);
4746 void AnnotateTokens() {
4747 AnnotateTokens(clang_getTranslationUnitCursor(AnnotateVis.getTU()));
4750 /// \brief Determine whether the annotator saw any cursors that have
4751 /// context-sensitive keywords.
4752 bool hasContextSensitiveKeywords() const {
4753 return HasContextSensitiveKeywords;
4758 void AnnotateTokensWorker::AnnotateTokens(CXCursor parent) {
4759 // Walk the AST within the region of interest, annotating tokens
4761 VisitChildren(parent);
4763 for (unsigned I = 0 ; I < TokIdx ; ++I) {
4764 AnnotateTokensData::iterator Pos = Annotated.find(Tokens[I].int_data[1]);
4765 if (Pos != Annotated.end() &&
4766 (clang_isInvalid(Cursors[I].kind) ||
4767 Pos->second.kind != CXCursor_PreprocessingDirective))
4768 Cursors[I] = Pos->second;
4771 // Finish up annotating any tokens left.
4775 const CXCursor &C = clang_getNullCursor();
4776 for (unsigned I = TokIdx ; I < NumTokens ; ++I) {
4777 AnnotateTokensData::iterator Pos = Annotated.find(Tokens[I].int_data[1]);
4778 Cursors[I] = (Pos == Annotated.end()) ? C : Pos->second;
4782 /// \brief It annotates and advances tokens with a cursor until the comparison
4783 //// between the cursor location and the source range is the same as
4784 /// \arg compResult.
4786 /// Pass RangeBefore to annotate tokens with a cursor until a range is reached.
4787 /// Pass RangeOverlap to annotate tokens inside a range.
4788 void AnnotateTokensWorker::annotateAndAdvanceTokens(CXCursor updateC,
4789 RangeComparisonResult compResult,
4790 SourceRange range) {
4791 while (MoreTokens()) {
4792 const unsigned I = NextToken();
4793 if (isFunctionMacroToken(I))
4794 return annotateAndAdvanceFunctionMacroTokens(updateC, compResult, range);
4796 SourceLocation TokLoc = GetTokenLoc(I);
4797 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
4798 Cursors[I] = updateC;
4806 /// \brief Special annotation handling for macro argument tokens.
4807 void AnnotateTokensWorker::annotateAndAdvanceFunctionMacroTokens(
4809 RangeComparisonResult compResult,
4810 SourceRange range) {
4811 assert(MoreTokens());
4812 assert(isFunctionMacroToken(NextToken()) &&
4813 "Should be called only for macro arg tokens");
4815 // This works differently than annotateAndAdvanceTokens; because expanded
4816 // macro arguments can have arbitrary translation-unit source order, we do not
4817 // advance the token index one by one until a token fails the range test.
4818 // We only advance once past all of the macro arg tokens if all of them
4819 // pass the range test. If one of them fails we keep the token index pointing
4820 // at the start of the macro arg tokens so that the failing token will be
4821 // annotated by a subsequent annotation try.
4823 bool atLeastOneCompFail = false;
4825 unsigned I = NextToken();
4826 for (; I < NumTokens && isFunctionMacroToken(I); ++I) {
4827 SourceLocation TokLoc = getFunctionMacroTokenLoc(I);
4828 if (TokLoc.isFileID())
4829 continue; // not macro arg token, it's parens or comma.
4830 if (LocationCompare(SrcMgr, TokLoc, range) == compResult) {
4831 if (clang_isInvalid(clang_getCursorKind(Cursors[I])))
4832 Cursors[I] = updateC;
4834 atLeastOneCompFail = true;
4837 if (!atLeastOneCompFail)
4838 TokIdx = I; // All of the tokens were handled, advance beyond all of them.
4841 enum CXChildVisitResult
4842 AnnotateTokensWorker::Visit(CXCursor cursor, CXCursor parent) {
4843 CXSourceLocation Loc = clang_getCursorLocation(cursor);
4844 SourceRange cursorRange = getRawCursorExtent(cursor);
4845 if (cursorRange.isInvalid())
4846 return CXChildVisit_Recurse;
4848 if (!HasContextSensitiveKeywords) {
4849 // Objective-C properties can have context-sensitive keywords.
4850 if (cursor.kind == CXCursor_ObjCPropertyDecl) {
4851 if (ObjCPropertyDecl *Property
4852 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(cursor)))
4853 HasContextSensitiveKeywords = Property->getPropertyAttributesAsWritten() != 0;
4855 // Objective-C methods can have context-sensitive keywords.
4856 else if (cursor.kind == CXCursor_ObjCInstanceMethodDecl ||
4857 cursor.kind == CXCursor_ObjCClassMethodDecl) {
4858 if (ObjCMethodDecl *Method
4859 = dyn_cast_or_null<ObjCMethodDecl>(getCursorDecl(cursor))) {
4860 if (Method->getObjCDeclQualifier())
4861 HasContextSensitiveKeywords = true;
4863 for (ObjCMethodDecl::param_iterator P = Method->param_begin(),
4864 PEnd = Method->param_end();
4866 if ((*P)->getObjCDeclQualifier()) {
4867 HasContextSensitiveKeywords = true;
4874 // C++ methods can have context-sensitive keywords.
4875 else if (cursor.kind == CXCursor_CXXMethod) {
4876 if (CXXMethodDecl *Method
4877 = dyn_cast_or_null<CXXMethodDecl>(getCursorDecl(cursor))) {
4878 if (Method->hasAttr<FinalAttr>() || Method->hasAttr<OverrideAttr>())
4879 HasContextSensitiveKeywords = true;
4882 // C++ classes can have context-sensitive keywords.
4883 else if (cursor.kind == CXCursor_StructDecl ||
4884 cursor.kind == CXCursor_ClassDecl ||
4885 cursor.kind == CXCursor_ClassTemplate ||
4886 cursor.kind == CXCursor_ClassTemplatePartialSpecialization) {
4887 if (Decl *D = getCursorDecl(cursor))
4888 if (D->hasAttr<FinalAttr>())
4889 HasContextSensitiveKeywords = true;
4893 if (clang_isPreprocessing(cursor.kind)) {
4894 // For macro expansions, just note where the beginning of the macro
4895 // expansion occurs.
4896 if (cursor.kind == CXCursor_MacroExpansion) {
4897 Annotated[Loc.int_data] = cursor;
4898 return CXChildVisit_Recurse;
4901 // Items in the preprocessing record are kept separate from items in
4902 // declarations, so we keep a separate token index.
4903 unsigned SavedTokIdx = TokIdx;
4904 TokIdx = PreprocessingTokIdx;
4906 // Skip tokens up until we catch up to the beginning of the preprocessing
4908 while (MoreTokens()) {
4909 const unsigned I = NextToken();
4910 SourceLocation TokLoc = GetTokenLoc(I);
4911 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
4922 // Look at all of the tokens within this range.
4923 while (MoreTokens()) {
4924 const unsigned I = NextToken();
4925 SourceLocation TokLoc = GetTokenLoc(I);
4926 switch (LocationCompare(SrcMgr, TokLoc, cursorRange)) {
4928 llvm_unreachable("Infeasible");
4932 Cursors[I] = cursor;
4939 // Save the preprocessing token index; restore the non-preprocessing
4941 PreprocessingTokIdx = TokIdx;
4942 TokIdx = SavedTokIdx;
4943 return CXChildVisit_Recurse;
4946 if (cursorRange.isInvalid())
4947 return CXChildVisit_Continue;
4949 SourceLocation L = SourceLocation::getFromRawEncoding(Loc.int_data);
4951 // Adjust the annotated range based specific declarations.
4952 const enum CXCursorKind cursorK = clang_getCursorKind(cursor);
4953 if (cursorK >= CXCursor_FirstDecl && cursorK <= CXCursor_LastDecl) {
4954 Decl *D = cxcursor::getCursorDecl(cursor);
4956 SourceLocation StartLoc;
4957 if (const DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
4958 if (TypeSourceInfo *TI = DD->getTypeSourceInfo())
4959 StartLoc = TI->getTypeLoc().getSourceRange().getBegin();
4960 } else if (TypedefDecl *Typedef = dyn_cast<TypedefDecl>(D)) {
4961 if (TypeSourceInfo *TI = Typedef->getTypeSourceInfo())
4962 StartLoc = TI->getTypeLoc().getSourceRange().getBegin();
4965 if (StartLoc.isValid() && L.isValid() &&
4966 SrcMgr.isBeforeInTranslationUnit(StartLoc, L))
4967 cursorRange.setBegin(StartLoc);
4970 // If the location of the cursor occurs within a macro instantiation, record
4971 // the spelling location of the cursor in our annotation map. We can then
4972 // paper over the token labelings during a post-processing step to try and
4973 // get cursor mappings for tokens that are the *arguments* of a macro
4975 if (L.isMacroID()) {
4976 unsigned rawEncoding = SrcMgr.getSpellingLoc(L).getRawEncoding();
4977 // Only invalidate the old annotation if it isn't part of a preprocessing
4978 // directive. Here we assume that the default construction of CXCursor
4979 // results in CXCursor.kind being an initialized value (i.e., 0). If
4980 // this isn't the case, we can fix by doing lookup + insertion.
4982 CXCursor &oldC = Annotated[rawEncoding];
4983 if (!clang_isPreprocessing(oldC.kind))
4987 const enum CXCursorKind K = clang_getCursorKind(parent);
4988 const CXCursor updateC =
4989 (clang_isInvalid(K) || K == CXCursor_TranslationUnit)
4990 ? clang_getNullCursor() : parent;
4992 annotateAndAdvanceTokens(updateC, RangeBefore, cursorRange);
4994 // Avoid having the cursor of an expression "overwrite" the annotation of the
4995 // variable declaration that it belongs to.
4996 // This can happen for C++ constructor expressions whose range generally
4997 // include the variable declaration, e.g.:
4998 // MyCXXClass foo; // Make sure we don't annotate 'foo' as a CallExpr cursor.
4999 if (clang_isExpression(cursorK)) {
5000 Expr *E = getCursorExpr(cursor);
5001 if (Decl *D = getCursorParentDecl(cursor)) {
5002 const unsigned I = NextToken();
5003 if (E->getLocStart().isValid() && D->getLocation().isValid() &&
5004 E->getLocStart() == D->getLocation() &&
5005 E->getLocStart() == GetTokenLoc(I)) {
5006 Cursors[I] = updateC;
5012 // Visit children to get their cursor information.
5013 const unsigned BeforeChildren = NextToken();
5014 VisitChildren(cursor);
5015 const unsigned AfterChildren = NextToken();
5017 // Scan the tokens that are at the end of the cursor, but are not captured
5018 // but the child cursors.
5019 annotateAndAdvanceTokens(cursor, RangeOverlap, cursorRange);
5021 // Scan the tokens that are at the beginning of the cursor, but are not
5022 // capture by the child cursors.
5023 for (unsigned I = BeforeChildren; I != AfterChildren; ++I) {
5024 if (!clang_isInvalid(clang_getCursorKind(Cursors[I])))
5027 Cursors[I] = cursor;
5030 return CXChildVisit_Continue;
5033 static enum CXChildVisitResult AnnotateTokensVisitor(CXCursor cursor,
5035 CXClientData client_data) {
5036 return static_cast<AnnotateTokensWorker*>(client_data)->Visit(cursor, parent);
5041 /// \brief Uses the macro expansions in the preprocessing record to find
5042 /// and mark tokens that are macro arguments. This info is used by the
5043 /// AnnotateTokensWorker.
5044 class MarkMacroArgTokensVisitor {
5051 MarkMacroArgTokensVisitor(SourceManager &SM,
5052 CXToken *tokens, unsigned numTokens)
5053 : SM(SM), Tokens(tokens), NumTokens(numTokens), CurIdx(0) { }
5055 CXChildVisitResult visit(CXCursor cursor, CXCursor parent) {
5056 if (cursor.kind != CXCursor_MacroExpansion)
5057 return CXChildVisit_Continue;
5059 SourceRange macroRange = getCursorMacroExpansion(cursor)->getSourceRange();
5060 if (macroRange.getBegin() == macroRange.getEnd())
5061 return CXChildVisit_Continue; // it's not a function macro.
5063 for (; CurIdx < NumTokens; ++CurIdx) {
5064 if (!SM.isBeforeInTranslationUnit(getTokenLoc(CurIdx),
5065 macroRange.getBegin()))
5069 if (CurIdx == NumTokens)
5070 return CXChildVisit_Break;
5072 for (; CurIdx < NumTokens; ++CurIdx) {
5073 SourceLocation tokLoc = getTokenLoc(CurIdx);
5074 if (!SM.isBeforeInTranslationUnit(tokLoc, macroRange.getEnd()))
5077 setFunctionMacroTokenLoc(CurIdx, SM.getMacroArgExpandedLocation(tokLoc));
5080 if (CurIdx == NumTokens)
5081 return CXChildVisit_Break;
5083 return CXChildVisit_Continue;
5087 SourceLocation getTokenLoc(unsigned tokI) {
5088 return SourceLocation::getFromRawEncoding(Tokens[tokI].int_data[1]);
5091 void setFunctionMacroTokenLoc(unsigned tokI, SourceLocation loc) {
5092 // The third field is reserved and currently not used. Use it here
5093 // to mark macro arg expanded tokens with their expanded locations.
5094 Tokens[tokI].int_data[3] = loc.getRawEncoding();
5098 } // end anonymous namespace
5100 static CXChildVisitResult
5101 MarkMacroArgTokensVisitorDelegate(CXCursor cursor, CXCursor parent,
5102 CXClientData client_data) {
5103 return static_cast<MarkMacroArgTokensVisitor*>(client_data)->visit(cursor,
5108 struct clang_annotateTokens_Data {
5109 CXTranslationUnit TU;
5117 static void annotatePreprocessorTokens(CXTranslationUnit TU,
5118 SourceRange RegionOfInterest,
5119 AnnotateTokensData &Annotated) {
5120 ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
5122 SourceManager &SourceMgr = CXXUnit->getSourceManager();
5123 std::pair<FileID, unsigned> BeginLocInfo
5124 = SourceMgr.getDecomposedLoc(RegionOfInterest.getBegin());
5125 std::pair<FileID, unsigned> EndLocInfo
5126 = SourceMgr.getDecomposedLoc(RegionOfInterest.getEnd());
5128 if (BeginLocInfo.first != EndLocInfo.first)
5132 bool Invalid = false;
5133 Buffer = SourceMgr.getBufferData(BeginLocInfo.first, &Invalid);
5134 if (Buffer.empty() || Invalid)
5137 Lexer Lex(SourceMgr.getLocForStartOfFile(BeginLocInfo.first),
5138 CXXUnit->getASTContext().getLangOptions(),
5139 Buffer.begin(), Buffer.data() + BeginLocInfo.second,
5141 Lex.SetCommentRetentionState(true);
5143 // Lex tokens in raw mode until we hit the end of the range, to avoid
5144 // entering #includes or expanding macros.
5147 Lex.LexFromRawLexer(Tok);
5150 if (Tok.is(tok::hash) && Tok.isAtStartOfLine()) {
5151 // We have found a preprocessing directive. Gobble it up so that we
5152 // don't see it while preprocessing these tokens later, but keep track
5153 // of all of the token locations inside this preprocessing directive so
5154 // that we can annotate them appropriately.
5156 // FIXME: Some simple tests here could identify macro definitions and
5157 // #undefs, to provide specific cursor kinds for those.
5158 SmallVector<SourceLocation, 32> Locations;
5160 Locations.push_back(Tok.getLocation());
5161 Lex.LexFromRawLexer(Tok);
5162 } while (!Tok.isAtStartOfLine() && !Tok.is(tok::eof));
5164 using namespace cxcursor;
5166 = MakePreprocessingDirectiveCursor(SourceRange(Locations.front(),
5169 for (unsigned I = 0, N = Locations.size(); I != N; ++I) {
5170 Annotated[Locations[I].getRawEncoding()] = Cursor;
5173 if (Tok.isAtStartOfLine())
5179 if (Tok.is(tok::eof))
5184 // This gets run a separate thread to avoid stack blowout.
5185 static void clang_annotateTokensImpl(void *UserData) {
5186 CXTranslationUnit TU = ((clang_annotateTokens_Data*)UserData)->TU;
5187 ASTUnit *CXXUnit = ((clang_annotateTokens_Data*)UserData)->CXXUnit;
5188 CXToken *Tokens = ((clang_annotateTokens_Data*)UserData)->Tokens;
5189 const unsigned NumTokens = ((clang_annotateTokens_Data*)UserData)->NumTokens;
5190 CXCursor *Cursors = ((clang_annotateTokens_Data*)UserData)->Cursors;
5192 // Determine the region of interest, which contains all of the tokens.
5193 SourceRange RegionOfInterest;
5194 RegionOfInterest.setBegin(
5195 cxloc::translateSourceLocation(clang_getTokenLocation(TU, Tokens[0])));
5196 RegionOfInterest.setEnd(
5197 cxloc::translateSourceLocation(clang_getTokenLocation(TU,
5198 Tokens[NumTokens-1])));
5200 // A mapping from the source locations found when re-lexing or traversing the
5201 // region of interest to the corresponding cursors.
5202 AnnotateTokensData Annotated;
5204 // Relex the tokens within the source range to look for preprocessing
5206 annotatePreprocessorTokens(TU, RegionOfInterest, Annotated);
5208 if (CXXUnit->getPreprocessor().getPreprocessingRecord()) {
5209 // Search and mark tokens that are macro argument expansions.
5210 MarkMacroArgTokensVisitor Visitor(CXXUnit->getSourceManager(),
5212 CursorVisitor MacroArgMarker(TU,
5213 MarkMacroArgTokensVisitorDelegate, &Visitor,
5214 true, RegionOfInterest);
5215 MacroArgMarker.visitPreprocessedEntitiesInRegion();
5218 // Annotate all of the source locations in the region of interest that map to
5219 // a specific cursor.
5220 AnnotateTokensWorker W(Annotated, Tokens, Cursors, NumTokens,
5221 TU, RegionOfInterest);
5223 // FIXME: We use a ridiculous stack size here because the data-recursion
5224 // algorithm uses a large stack frame than the non-data recursive version,
5225 // and AnnotationTokensWorker currently transforms the data-recursion
5226 // algorithm back into a traditional recursion by explicitly calling
5227 // VisitChildren(). We will need to remove this explicit recursive call.
5230 // If we ran into any entities that involve context-sensitive keywords,
5231 // take another pass through the tokens to mark them as such.
5232 if (W.hasContextSensitiveKeywords()) {
5233 for (unsigned I = 0; I != NumTokens; ++I) {
5234 if (clang_getTokenKind(Tokens[I]) != CXToken_Identifier)
5237 if (Cursors[I].kind == CXCursor_ObjCPropertyDecl) {
5238 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
5239 if (ObjCPropertyDecl *Property
5240 = dyn_cast_or_null<ObjCPropertyDecl>(getCursorDecl(Cursors[I]))) {
5241 if (Property->getPropertyAttributesAsWritten() != 0 &&
5242 llvm::StringSwitch<bool>(II->getName())
5243 .Case("readonly", true)
5244 .Case("assign", true)
5245 .Case("unsafe_unretained", true)
5246 .Case("readwrite", true)
5247 .Case("retain", true)
5249 .Case("nonatomic", true)
5250 .Case("atomic", true)
5251 .Case("getter", true)
5252 .Case("setter", true)
5253 .Case("strong", true)
5256 Tokens[I].int_data[0] = CXToken_Keyword;
5261 if (Cursors[I].kind == CXCursor_ObjCInstanceMethodDecl ||
5262 Cursors[I].kind == CXCursor_ObjCClassMethodDecl) {
5263 IdentifierInfo *II = static_cast<IdentifierInfo *>(Tokens[I].ptr_data);
5264 if (llvm::StringSwitch<bool>(II->getName())
5267 .Case("inout", true)
5268 .Case("oneway", true)
5269 .Case("bycopy", true)
5270 .Case("byref", true)
5272 Tokens[I].int_data[0] = CXToken_Keyword;
5276 if (Cursors[I].kind == CXCursor_CXXFinalAttr ||
5277 Cursors[I].kind == CXCursor_CXXOverrideAttr) {
5278 Tokens[I].int_data[0] = CXToken_Keyword;
5287 void clang_annotateTokens(CXTranslationUnit TU,
5288 CXToken *Tokens, unsigned NumTokens,
5289 CXCursor *Cursors) {
5291 if (NumTokens == 0 || !Tokens || !Cursors)
5294 // Any token we don't specifically annotate will have a NULL cursor.
5295 CXCursor C = clang_getNullCursor();
5296 for (unsigned I = 0; I != NumTokens; ++I)
5299 ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU->TUData);
5303 ASTUnit::ConcurrencyCheck Check(*CXXUnit);
5305 clang_annotateTokens_Data data = { TU, CXXUnit, Tokens, NumTokens, Cursors };
5306 llvm::CrashRecoveryContext CRC;
5307 if (!RunSafely(CRC, clang_annotateTokensImpl, &data,
5308 GetSafetyThreadStackSize() * 2)) {
5309 fprintf(stderr, "libclang: crash detected while annotating tokens\n");
5313 } // end: extern "C"
5315 //===----------------------------------------------------------------------===//
5316 // Operations for querying linkage of a cursor.
5317 //===----------------------------------------------------------------------===//
5320 CXLinkageKind clang_getCursorLinkage(CXCursor cursor) {
5321 if (!clang_isDeclaration(cursor.kind))
5322 return CXLinkage_Invalid;
5324 Decl *D = cxcursor::getCursorDecl(cursor);
5325 if (NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
5326 switch (ND->getLinkage()) {
5327 case NoLinkage: return CXLinkage_NoLinkage;
5328 case InternalLinkage: return CXLinkage_Internal;
5329 case UniqueExternalLinkage: return CXLinkage_UniqueExternal;
5330 case ExternalLinkage: return CXLinkage_External;
5333 return CXLinkage_Invalid;
5335 } // end: extern "C"
5337 //===----------------------------------------------------------------------===//
5338 // Operations for querying language of a cursor.
5339 //===----------------------------------------------------------------------===//
5341 static CXLanguageKind getDeclLanguage(const Decl *D) {
5342 switch (D->getKind()) {
5345 case Decl::ImplicitParam:
5346 case Decl::ObjCAtDefsField:
5347 case Decl::ObjCCategory:
5348 case Decl::ObjCCategoryImpl:
5349 case Decl::ObjCClass:
5350 case Decl::ObjCCompatibleAlias:
5351 case Decl::ObjCForwardProtocol:
5352 case Decl::ObjCImplementation:
5353 case Decl::ObjCInterface:
5354 case Decl::ObjCIvar:
5355 case Decl::ObjCMethod:
5356 case Decl::ObjCProperty:
5357 case Decl::ObjCPropertyImpl:
5358 case Decl::ObjCProtocol:
5359 return CXLanguage_ObjC;
5360 case Decl::CXXConstructor:
5361 case Decl::CXXConversion:
5362 case Decl::CXXDestructor:
5363 case Decl::CXXMethod:
5364 case Decl::CXXRecord:
5365 case Decl::ClassTemplate:
5366 case Decl::ClassTemplatePartialSpecialization:
5367 case Decl::ClassTemplateSpecialization:
5369 case Decl::FriendTemplate:
5370 case Decl::FunctionTemplate:
5371 case Decl::LinkageSpec:
5372 case Decl::Namespace:
5373 case Decl::NamespaceAlias:
5374 case Decl::NonTypeTemplateParm:
5375 case Decl::StaticAssert:
5376 case Decl::TemplateTemplateParm:
5377 case Decl::TemplateTypeParm:
5378 case Decl::UnresolvedUsingTypename:
5379 case Decl::UnresolvedUsingValue:
5381 case Decl::UsingDirective:
5382 case Decl::UsingShadow:
5383 return CXLanguage_CPlusPlus;
5386 return CXLanguage_C;
5391 enum CXAvailabilityKind clang_getCursorAvailability(CXCursor cursor) {
5392 if (clang_isDeclaration(cursor.kind))
5393 if (Decl *D = cxcursor::getCursorDecl(cursor)) {
5394 if (isa<FunctionDecl>(D) && cast<FunctionDecl>(D)->isDeleted())
5395 return CXAvailability_Available;
5397 switch (D->getAvailability()) {
5399 case AR_NotYetIntroduced:
5400 return CXAvailability_Available;
5403 return CXAvailability_Deprecated;
5405 case AR_Unavailable:
5406 return CXAvailability_NotAvailable;
5410 return CXAvailability_Available;
5413 CXLanguageKind clang_getCursorLanguage(CXCursor cursor) {
5414 if (clang_isDeclaration(cursor.kind))
5415 return getDeclLanguage(cxcursor::getCursorDecl(cursor));
5417 return CXLanguage_Invalid;
5420 /// \brief If the given cursor is the "templated" declaration
5421 /// descibing a class or function template, return the class or
5422 /// function template.
5423 static Decl *maybeGetTemplateCursor(Decl *D) {
5427 if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
5428 if (FunctionTemplateDecl *FunTmpl = FD->getDescribedFunctionTemplate())
5431 if (CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D))
5432 if (ClassTemplateDecl *ClassTmpl = RD->getDescribedClassTemplate())
5438 CXCursor clang_getCursorSemanticParent(CXCursor cursor) {
5439 if (clang_isDeclaration(cursor.kind)) {
5440 if (Decl *D = getCursorDecl(cursor)) {
5441 DeclContext *DC = D->getDeclContext();
5443 return clang_getNullCursor();
5445 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
5446 getCursorTU(cursor));
5450 if (clang_isStatement(cursor.kind) || clang_isExpression(cursor.kind)) {
5451 if (Decl *D = getCursorDecl(cursor))
5452 return MakeCXCursor(D, getCursorTU(cursor));
5455 return clang_getNullCursor();
5458 CXCursor clang_getCursorLexicalParent(CXCursor cursor) {
5459 if (clang_isDeclaration(cursor.kind)) {
5460 if (Decl *D = getCursorDecl(cursor)) {
5461 DeclContext *DC = D->getLexicalDeclContext();
5463 return clang_getNullCursor();
5465 return MakeCXCursor(maybeGetTemplateCursor(cast<Decl>(DC)),
5466 getCursorTU(cursor));
5470 // FIXME: Note that we can't easily compute the lexical context of a
5471 // statement or expression, so we return nothing.
5472 return clang_getNullCursor();
5475 void clang_getOverriddenCursors(CXCursor cursor,
5476 CXCursor **overridden,
5477 unsigned *num_overridden) {
5481 *num_overridden = 0;
5482 if (!overridden || !num_overridden)
5485 SmallVector<CXCursor, 8> Overridden;
5486 cxcursor::getOverriddenCursors(cursor, Overridden);
5488 *num_overridden = Overridden.size();
5489 *overridden = new CXCursor [Overridden.size()];
5490 std::copy(Overridden.begin(), Overridden.end(), *overridden);
5493 void clang_disposeOverriddenCursors(CXCursor *overridden) {
5494 delete [] overridden;
5497 CXFile clang_getIncludedFile(CXCursor cursor) {
5498 if (cursor.kind != CXCursor_InclusionDirective)
5501 InclusionDirective *ID = getCursorInclusionDirective(cursor);
5502 return (void *)ID->getFile();
5505 } // end: extern "C"
5508 //===----------------------------------------------------------------------===//
5509 // C++ AST instrospection.
5510 //===----------------------------------------------------------------------===//
5513 unsigned clang_CXXMethod_isStatic(CXCursor C) {
5514 if (!clang_isDeclaration(C.kind))
5517 CXXMethodDecl *Method = 0;
5518 Decl *D = cxcursor::getCursorDecl(C);
5519 if (FunctionTemplateDecl *FunTmpl = dyn_cast_or_null<FunctionTemplateDecl>(D))
5520 Method = dyn_cast<CXXMethodDecl>(FunTmpl->getTemplatedDecl());
5522 Method = dyn_cast_or_null<CXXMethodDecl>(D);
5523 return (Method && Method->isStatic()) ? 1 : 0;
5526 unsigned clang_CXXMethod_isVirtual(CXCursor C) {
5527 if (!clang_isDeclaration(C.kind))
5530 CXXMethodDecl *Method = 0;
5531 Decl *D = cxcursor::getCursorDecl(C);
5532 if (FunctionTemplateDecl *FunTmpl = dyn_cast_or_null<FunctionTemplateDecl>(D))
5533 Method = dyn_cast<CXXMethodDecl>(FunTmpl->getTemplatedDecl());
5535 Method = dyn_cast_or_null<CXXMethodDecl>(D);
5536 return (Method && Method->isVirtual()) ? 1 : 0;
5538 } // end: extern "C"
5540 //===----------------------------------------------------------------------===//
5541 // Attribute introspection.
5542 //===----------------------------------------------------------------------===//
5545 CXType clang_getIBOutletCollectionType(CXCursor C) {
5546 if (C.kind != CXCursor_IBOutletCollectionAttr)
5547 return cxtype::MakeCXType(QualType(), cxcursor::getCursorTU(C));
5549 IBOutletCollectionAttr *A =
5550 cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
5552 return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorTU(C));
5554 } // end: extern "C"
5556 //===----------------------------------------------------------------------===//
5557 // Inspecting memory usage.
5558 //===----------------------------------------------------------------------===//
5560 typedef std::vector<CXTUResourceUsageEntry> MemUsageEntries;
5562 static inline void createCXTUResourceUsageEntry(MemUsageEntries &entries,
5563 enum CXTUResourceUsageKind k,
5564 unsigned long amount) {
5565 CXTUResourceUsageEntry entry = { k, amount };
5566 entries.push_back(entry);
5571 const char *clang_getTUResourceUsageName(CXTUResourceUsageKind kind) {
5572 const char *str = "";
5574 case CXTUResourceUsage_AST:
5575 str = "ASTContext: expressions, declarations, and types";
5577 case CXTUResourceUsage_Identifiers:
5578 str = "ASTContext: identifiers";
5580 case CXTUResourceUsage_Selectors:
5581 str = "ASTContext: selectors";
5583 case CXTUResourceUsage_GlobalCompletionResults:
5584 str = "Code completion: cached global results";
5586 case CXTUResourceUsage_SourceManagerContentCache:
5587 str = "SourceManager: content cache allocator";
5589 case CXTUResourceUsage_AST_SideTables:
5590 str = "ASTContext: side tables";
5592 case CXTUResourceUsage_SourceManager_Membuffer_Malloc:
5593 str = "SourceManager: malloc'ed memory buffers";
5595 case CXTUResourceUsage_SourceManager_Membuffer_MMap:
5596 str = "SourceManager: mmap'ed memory buffers";
5598 case CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc:
5599 str = "ExternalASTSource: malloc'ed memory buffers";
5601 case CXTUResourceUsage_ExternalASTSource_Membuffer_MMap:
5602 str = "ExternalASTSource: mmap'ed memory buffers";
5604 case CXTUResourceUsage_Preprocessor:
5605 str = "Preprocessor: malloc'ed memory";
5607 case CXTUResourceUsage_PreprocessingRecord:
5608 str = "Preprocessor: PreprocessingRecord";
5610 case CXTUResourceUsage_SourceManager_DataStructures:
5611 str = "SourceManager: data structures and tables";
5613 case CXTUResourceUsage_Preprocessor_HeaderSearch:
5614 str = "Preprocessor: header search tables";
5620 CXTUResourceUsage clang_getCXTUResourceUsage(CXTranslationUnit TU) {
5622 CXTUResourceUsage usage = { (void*) 0, 0, 0 };
5626 ASTUnit *astUnit = static_cast<ASTUnit*>(TU->TUData);
5627 llvm::OwningPtr<MemUsageEntries> entries(new MemUsageEntries());
5628 ASTContext &astContext = astUnit->getASTContext();
5630 // How much memory is used by AST nodes and types?
5631 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST,
5632 (unsigned long) astContext.getASTAllocatedMemory());
5634 // How much memory is used by identifiers?
5635 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Identifiers,
5636 (unsigned long) astContext.Idents.getAllocator().getTotalMemory());
5638 // How much memory is used for selectors?
5639 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_Selectors,
5640 (unsigned long) astContext.Selectors.getTotalMemory());
5642 // How much memory is used by ASTContext's side tables?
5643 createCXTUResourceUsageEntry(*entries, CXTUResourceUsage_AST_SideTables,
5644 (unsigned long) astContext.getSideTableAllocatedMemory());
5646 // How much memory is used for caching global code completion results?
5647 unsigned long completionBytes = 0;
5648 if (GlobalCodeCompletionAllocator *completionAllocator =
5649 astUnit->getCachedCompletionAllocator().getPtr()) {
5650 completionBytes = completionAllocator->getTotalMemory();
5652 createCXTUResourceUsageEntry(*entries,
5653 CXTUResourceUsage_GlobalCompletionResults,
5656 // How much memory is being used by SourceManager's content cache?
5657 createCXTUResourceUsageEntry(*entries,
5658 CXTUResourceUsage_SourceManagerContentCache,
5659 (unsigned long) astContext.getSourceManager().getContentCacheSize());
5661 // How much memory is being used by the MemoryBuffer's in SourceManager?
5662 const SourceManager::MemoryBufferSizes &srcBufs =
5663 astUnit->getSourceManager().getMemoryBufferSizes();
5665 createCXTUResourceUsageEntry(*entries,
5666 CXTUResourceUsage_SourceManager_Membuffer_Malloc,
5667 (unsigned long) srcBufs.malloc_bytes);
5668 createCXTUResourceUsageEntry(*entries,
5669 CXTUResourceUsage_SourceManager_Membuffer_MMap,
5670 (unsigned long) srcBufs.mmap_bytes);
5671 createCXTUResourceUsageEntry(*entries,
5672 CXTUResourceUsage_SourceManager_DataStructures,
5673 (unsigned long) astContext.getSourceManager()
5674 .getDataStructureSizes());
5676 // How much memory is being used by the ExternalASTSource?
5677 if (ExternalASTSource *esrc = astContext.getExternalSource()) {
5678 const ExternalASTSource::MemoryBufferSizes &sizes =
5679 esrc->getMemoryBufferSizes();
5681 createCXTUResourceUsageEntry(*entries,
5682 CXTUResourceUsage_ExternalASTSource_Membuffer_Malloc,
5683 (unsigned long) sizes.malloc_bytes);
5684 createCXTUResourceUsageEntry(*entries,
5685 CXTUResourceUsage_ExternalASTSource_Membuffer_MMap,
5686 (unsigned long) sizes.mmap_bytes);
5689 // How much memory is being used by the Preprocessor?
5690 Preprocessor &pp = astUnit->getPreprocessor();
5691 createCXTUResourceUsageEntry(*entries,
5692 CXTUResourceUsage_Preprocessor,
5693 pp.getTotalMemory());
5695 if (PreprocessingRecord *pRec = pp.getPreprocessingRecord()) {
5696 createCXTUResourceUsageEntry(*entries,
5697 CXTUResourceUsage_PreprocessingRecord,
5698 pRec->getTotalMemory());
5701 createCXTUResourceUsageEntry(*entries,
5702 CXTUResourceUsage_Preprocessor_HeaderSearch,
5703 pp.getHeaderSearchInfo().getTotalMemory());
5705 CXTUResourceUsage usage = { (void*) entries.get(),
5706 (unsigned) entries->size(),
5707 entries->size() ? &(*entries)[0] : 0 };
5712 void clang_disposeCXTUResourceUsage(CXTUResourceUsage usage) {
5714 delete (MemUsageEntries*) usage.data;
5719 void clang::PrintLibclangResourceUsage(CXTranslationUnit TU) {
5720 CXTUResourceUsage Usage = clang_getCXTUResourceUsage(TU);
5721 for (unsigned I = 0; I != Usage.numEntries; ++I)
5722 fprintf(stderr, " %s: %lu\n",
5723 clang_getTUResourceUsageName(Usage.entries[I].kind),
5724 Usage.entries[I].amount);
5726 clang_disposeCXTUResourceUsage(Usage);
5729 //===----------------------------------------------------------------------===//
5730 // Misc. utility functions.
5731 //===----------------------------------------------------------------------===//
5733 /// Default to using an 8 MB stack size on "safety" threads.
5734 static unsigned SafetyStackThreadSize = 8 << 20;
5738 bool RunSafely(llvm::CrashRecoveryContext &CRC,
5739 void (*Fn)(void*), void *UserData,
5742 Size = GetSafetyThreadStackSize();
5744 return CRC.RunSafelyOnThread(Fn, UserData, Size);
5745 return CRC.RunSafely(Fn, UserData);
5748 unsigned GetSafetyThreadStackSize() {
5749 return SafetyStackThreadSize;
5752 void SetSafetyThreadStackSize(unsigned Value) {
5753 SafetyStackThreadSize = Value;
5760 CXString clang_getClangVersion() {
5761 return createCXString(getClangFullVersion());
5764 } // end: extern "C"