| //===- CIndexHigh.cpp - Higher level API functions ------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "IndexingContext.h" |
| |
| #include "clang/AST/DeclVisitor.h" |
| |
| using namespace clang; |
| using namespace cxindex; |
| |
| namespace { |
| |
| class IndexingDeclVisitor : public DeclVisitor<IndexingDeclVisitor, bool> { |
| IndexingContext &IndexCtx; |
| |
| public: |
| explicit IndexingDeclVisitor(IndexingContext &indexCtx) |
| : IndexCtx(indexCtx) { } |
| |
| void handleDeclarator(DeclaratorDecl *D, const NamedDecl *Parent = 0) { |
| if (!Parent) Parent = D; |
| |
| if (!IndexCtx.shouldIndexFunctionLocalSymbols()) { |
| IndexCtx.indexTypeSourceInfo(D->getTypeSourceInfo(), Parent); |
| IndexCtx.indexNestedNameSpecifierLoc(D->getQualifierLoc(), Parent); |
| } else { |
| if (ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) { |
| IndexCtx.handleVar(Parm); |
| } else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { |
| for (FunctionDecl::param_iterator |
| PI = FD->param_begin(), PE = FD->param_end(); PI != PE; ++PI) { |
| IndexCtx.handleVar(*PI); |
| } |
| } |
| } |
| } |
| |
| void handleObjCMethod(ObjCMethodDecl *D) { |
| IndexCtx.handleObjCMethod(D); |
| if (D->isImplicit()) |
| return; |
| |
| IndexCtx.indexTypeSourceInfo(D->getResultTypeSourceInfo(), D); |
| for (ObjCMethodDecl::param_iterator |
| I = D->param_begin(), E = D->param_end(); I != E; ++I) |
| handleDeclarator(*I, D); |
| |
| if (D->isThisDeclarationADefinition()) { |
| const Stmt *Body = D->getBody(); |
| if (Body) { |
| IndexCtx.indexBody(Body, D, D); |
| } |
| } |
| } |
| |
| bool VisitFunctionDecl(FunctionDecl *D) { |
| IndexCtx.handleFunction(D); |
| handleDeclarator(D); |
| |
| if (CXXConstructorDecl *Ctor = dyn_cast<CXXConstructorDecl>(D)) { |
| // Constructor initializers. |
| for (CXXConstructorDecl::init_iterator I = Ctor->init_begin(), |
| E = Ctor->init_end(); |
| I != E; ++I) { |
| CXXCtorInitializer *Init = *I; |
| if (Init->isWritten()) { |
| IndexCtx.indexTypeSourceInfo(Init->getTypeSourceInfo(), D); |
| if (const FieldDecl *Member = Init->getAnyMember()) |
| IndexCtx.handleReference(Member, Init->getMemberLocation(), D, D); |
| IndexCtx.indexBody(Init->getInit(), D, D); |
| } |
| } |
| } |
| |
| if (D->isThisDeclarationADefinition()) { |
| const Stmt *Body = D->getBody(); |
| if (Body) { |
| IndexCtx.indexBody(Body, D, D); |
| } |
| } |
| return true; |
| } |
| |
| bool VisitVarDecl(VarDecl *D) { |
| IndexCtx.handleVar(D); |
| handleDeclarator(D); |
| IndexCtx.indexBody(D->getInit(), D); |
| return true; |
| } |
| |
| bool VisitFieldDecl(FieldDecl *D) { |
| IndexCtx.handleField(D); |
| handleDeclarator(D); |
| if (D->isBitField()) |
| IndexCtx.indexBody(D->getBitWidth(), D); |
| else if (D->hasInClassInitializer()) |
| IndexCtx.indexBody(D->getInClassInitializer(), D); |
| return true; |
| } |
| |
| bool VisitEnumConstantDecl(EnumConstantDecl *D) { |
| IndexCtx.handleEnumerator(D); |
| IndexCtx.indexBody(D->getInitExpr(), D); |
| return true; |
| } |
| |
| bool VisitTypedefNameDecl(TypedefNameDecl *D) { |
| IndexCtx.handleTypedefName(D); |
| IndexCtx.indexTypeSourceInfo(D->getTypeSourceInfo(), D); |
| return true; |
| } |
| |
| bool VisitTagDecl(TagDecl *D) { |
| // Non-free standing tags are handled in indexTypeSourceInfo. |
| if (D->isFreeStanding()) |
| IndexCtx.indexTagDecl(D); |
| return true; |
| } |
| |
| bool VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) { |
| IndexCtx.handleObjCInterface(D); |
| |
| if (D->isThisDeclarationADefinition()) { |
| IndexCtx.indexTUDeclsInObjCContainer(); |
| IndexCtx.indexDeclContext(D); |
| } |
| return true; |
| } |
| |
| bool VisitObjCProtocolDecl(ObjCProtocolDecl *D) { |
| IndexCtx.handleObjCProtocol(D); |
| |
| if (D->isThisDeclarationADefinition()) { |
| IndexCtx.indexTUDeclsInObjCContainer(); |
| IndexCtx.indexDeclContext(D); |
| } |
| return true; |
| } |
| |
| bool VisitObjCImplementationDecl(ObjCImplementationDecl *D) { |
| const ObjCInterfaceDecl *Class = D->getClassInterface(); |
| if (!Class) |
| return true; |
| |
| if (Class->isImplicitInterfaceDecl()) |
| IndexCtx.handleObjCInterface(Class); |
| |
| IndexCtx.handleObjCImplementation(D); |
| |
| IndexCtx.indexTUDeclsInObjCContainer(); |
| |
| // Index the ivars first to make sure the synthesized ivars are indexed |
| // before indexing the methods that can reference them. |
| for (ObjCImplementationDecl::ivar_iterator |
| IvarI = D->ivar_begin(), |
| IvarE = D->ivar_end(); IvarI != IvarE; ++IvarI) { |
| IndexCtx.indexDecl(*IvarI); |
| } |
| for (DeclContext::decl_iterator |
| I = D->decls_begin(), E = D->decls_end(); I != E; ++I) { |
| if (!isa<ObjCIvarDecl>(*I)) |
| IndexCtx.indexDecl(*I); |
| } |
| |
| return true; |
| } |
| |
| bool VisitObjCCategoryDecl(ObjCCategoryDecl *D) { |
| IndexCtx.handleObjCCategory(D); |
| |
| IndexCtx.indexTUDeclsInObjCContainer(); |
| IndexCtx.indexDeclContext(D); |
| return true; |
| } |
| |
| bool VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) { |
| const ObjCCategoryDecl *Cat = D->getCategoryDecl(); |
| if (!Cat) |
| return true; |
| |
| IndexCtx.handleObjCCategoryImpl(D); |
| |
| IndexCtx.indexTUDeclsInObjCContainer(); |
| IndexCtx.indexDeclContext(D); |
| return true; |
| } |
| |
| bool VisitObjCMethodDecl(ObjCMethodDecl *D) { |
| // Methods associated with a property, even user-declared ones, are |
| // handled when we handle the property. |
| if (D->isSynthesized()) |
| return true; |
| |
| handleObjCMethod(D); |
| return true; |
| } |
| |
| bool VisitObjCPropertyDecl(ObjCPropertyDecl *D) { |
| if (ObjCMethodDecl *MD = D->getGetterMethodDecl()) |
| if (MD->getLexicalDeclContext() == D->getLexicalDeclContext()) |
| handleObjCMethod(MD); |
| if (ObjCMethodDecl *MD = D->getSetterMethodDecl()) |
| if (MD->getLexicalDeclContext() == D->getLexicalDeclContext()) |
| handleObjCMethod(MD); |
| IndexCtx.handleObjCProperty(D); |
| IndexCtx.indexTypeSourceInfo(D->getTypeSourceInfo(), D); |
| return true; |
| } |
| |
| bool VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) { |
| ObjCPropertyDecl *PD = D->getPropertyDecl(); |
| IndexCtx.handleSynthesizedObjCProperty(D); |
| |
| if (D->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) |
| return true; |
| assert(D->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize); |
| |
| if (ObjCIvarDecl *IvarD = D->getPropertyIvarDecl()) { |
| if (!IvarD->getSynthesize()) |
| IndexCtx.handleReference(IvarD, D->getPropertyIvarDeclLoc(), 0, |
| D->getDeclContext()); |
| } |
| |
| if (ObjCMethodDecl *MD = PD->getGetterMethodDecl()) { |
| if (MD->isSynthesized()) |
| IndexCtx.handleSynthesizedObjCMethod(MD, D->getLocation(), |
| D->getLexicalDeclContext()); |
| } |
| if (ObjCMethodDecl *MD = PD->getSetterMethodDecl()) { |
| if (MD->isSynthesized()) |
| IndexCtx.handleSynthesizedObjCMethod(MD, D->getLocation(), |
| D->getLexicalDeclContext()); |
| } |
| return true; |
| } |
| |
| bool VisitNamespaceDecl(NamespaceDecl *D) { |
| IndexCtx.handleNamespace(D); |
| IndexCtx.indexDeclContext(D); |
| return true; |
| } |
| |
| bool VisitUsingDecl(UsingDecl *D) { |
| // FIXME: Parent for the following is CXIdxEntity_Unexposed with no USR, |
| // we should do better. |
| |
| IndexCtx.indexNestedNameSpecifierLoc(D->getQualifierLoc(), D); |
| for (UsingDecl::shadow_iterator |
| I = D->shadow_begin(), E = D->shadow_end(); I != E; ++I) { |
| IndexCtx.handleReference((*I)->getUnderlyingDecl(), D->getLocation(), |
| D, D->getLexicalDeclContext()); |
| } |
| return true; |
| } |
| |
| bool VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { |
| // FIXME: Parent for the following is CXIdxEntity_Unexposed with no USR, |
| // we should do better. |
| |
| IndexCtx.indexNestedNameSpecifierLoc(D->getQualifierLoc(), D); |
| IndexCtx.handleReference(D->getNominatedNamespaceAsWritten(), |
| D->getLocation(), D, D->getLexicalDeclContext()); |
| return true; |
| } |
| |
| bool VisitClassTemplateDecl(ClassTemplateDecl *D) { |
| IndexCtx.handleClassTemplate(D); |
| if (D->isThisDeclarationADefinition()) |
| IndexCtx.indexDeclContext(D->getTemplatedDecl()); |
| return true; |
| } |
| |
| bool VisitClassTemplateSpecializationDecl( |
| ClassTemplateSpecializationDecl *D) { |
| // FIXME: Notify subsequent callbacks if info comes from implicit |
| // instantiation. |
| if (D->isThisDeclarationADefinition() && |
| (IndexCtx.shouldIndexImplicitTemplateInsts() || |
| !IndexCtx.isTemplateImplicitInstantiation(D))) |
| IndexCtx.indexTagDecl(D); |
| return true; |
| } |
| |
| bool VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { |
| IndexCtx.handleFunctionTemplate(D); |
| FunctionDecl *FD = D->getTemplatedDecl(); |
| handleDeclarator(FD, D); |
| if (FD->isThisDeclarationADefinition()) { |
| const Stmt *Body = FD->getBody(); |
| if (Body) { |
| IndexCtx.indexBody(Body, D, FD); |
| } |
| } |
| return true; |
| } |
| |
| bool VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) { |
| IndexCtx.handleTypeAliasTemplate(D); |
| IndexCtx.indexTypeSourceInfo(D->getTemplatedDecl()->getTypeSourceInfo(), D); |
| return true; |
| } |
| }; |
| |
| } // anonymous namespace |
| |
| void IndexingContext::indexDecl(const Decl *D) { |
| if (D->isImplicit() && shouldIgnoreIfImplicit(D)) |
| return; |
| |
| bool Handled = IndexingDeclVisitor(*this).Visit(const_cast<Decl*>(D)); |
| if (!Handled && isa<DeclContext>(D)) |
| indexDeclContext(cast<DeclContext>(D)); |
| } |
| |
| void IndexingContext::indexDeclContext(const DeclContext *DC) { |
| for (DeclContext::decl_iterator |
| I = DC->decls_begin(), E = DC->decls_end(); I != E; ++I) { |
| indexDecl(*I); |
| } |
| } |
| |
| void IndexingContext::indexTopLevelDecl(const Decl *D) { |
| if (isNotFromSourceFile(D->getLocation())) |
| return; |
| |
| if (isa<ObjCMethodDecl>(D)) |
| return; // Wait for the objc container. |
| |
| indexDecl(D); |
| } |
| |
| void IndexingContext::indexDeclGroupRef(DeclGroupRef DG) { |
| for (DeclGroupRef::iterator I = DG.begin(), E = DG.end(); I != E; ++I) |
| indexTopLevelDecl(*I); |
| } |
| |
| void IndexingContext::indexTUDeclsInObjCContainer() { |
| while (!TUDeclsInObjCContainer.empty()) { |
| DeclGroupRef DG = TUDeclsInObjCContainer.front(); |
| TUDeclsInObjCContainer.pop_front(); |
| indexDeclGroupRef(DG); |
| } |
| } |