forked from OSchip/llvm-project
287 lines
9.6 KiB
C++
287 lines
9.6 KiB
C++
//===--- IndexSymbol.cpp - Types and functions for indexing symbols -------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Index/IndexSymbol.h"
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#include "clang/AST/DeclCXX.h"
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#include "clang/AST/DeclObjC.h"
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#include "clang/AST/DeclTemplate.h"
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using namespace clang;
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using namespace clang::index;
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SymbolInfo index::getSymbolInfo(const Decl *D) {
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assert(D);
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SymbolInfo Info;
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Info.Kind = SymbolKind::Unknown;
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Info.TemplateKind = SymbolCXXTemplateKind::NonTemplate;
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Info.Lang = SymbolLanguage::C;
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if (const TagDecl *TD = dyn_cast<TagDecl>(D)) {
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switch (TD->getTagKind()) {
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case TTK_Struct:
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Info.Kind = SymbolKind::Struct; break;
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case TTK_Union:
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Info.Kind = SymbolKind::Union; break;
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case TTK_Class:
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Info.Kind = SymbolKind::CXXClass;
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Info.Lang = SymbolLanguage::CXX;
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break;
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case TTK_Interface:
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Info.Kind = SymbolKind::CXXInterface;
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Info.Lang = SymbolLanguage::CXX;
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break;
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case TTK_Enum:
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Info.Kind = SymbolKind::Enum; break;
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}
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if (const CXXRecordDecl *CXXRec = dyn_cast<CXXRecordDecl>(D))
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if (!CXXRec->isCLike())
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Info.Lang = SymbolLanguage::CXX;
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if (isa<ClassTemplatePartialSpecializationDecl>(D)) {
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Info.TemplateKind = SymbolCXXTemplateKind::TemplatePartialSpecialization;
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} else if (isa<ClassTemplateSpecializationDecl>(D)) {
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Info.TemplateKind = SymbolCXXTemplateKind::TemplateSpecialization;
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}
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} else {
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switch (D->getKind()) {
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case Decl::Typedef:
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Info.Kind = SymbolKind::Typedef; break;
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case Decl::Function:
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Info.Kind = SymbolKind::Function;
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break;
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case Decl::ParmVar:
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Info.Kind = SymbolKind::Variable;
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break;
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case Decl::Var:
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Info.Kind = SymbolKind::Variable;
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if (isa<CXXRecordDecl>(D->getDeclContext())) {
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Info.Kind = SymbolKind::CXXStaticVariable;
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Info.Lang = SymbolLanguage::CXX;
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}
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break;
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case Decl::Field:
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Info.Kind = SymbolKind::Field;
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if (const CXXRecordDecl *
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CXXRec = dyn_cast<CXXRecordDecl>(D->getDeclContext())) {
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if (!CXXRec->isCLike())
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Info.Lang = SymbolLanguage::CXX;
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}
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break;
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case Decl::EnumConstant:
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Info.Kind = SymbolKind::EnumConstant; break;
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case Decl::ObjCInterface:
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case Decl::ObjCImplementation:
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Info.Kind = SymbolKind::ObjCClass;
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Info.Lang = SymbolLanguage::ObjC;
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break;
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case Decl::ObjCProtocol:
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Info.Kind = SymbolKind::ObjCProtocol;
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Info.Lang = SymbolLanguage::ObjC;
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break;
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case Decl::ObjCCategory:
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case Decl::ObjCCategoryImpl:
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Info.Kind = SymbolKind::ObjCCategory;
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Info.Lang = SymbolLanguage::ObjC;
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break;
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case Decl::ObjCMethod:
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if (cast<ObjCMethodDecl>(D)->isInstanceMethod())
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Info.Kind = SymbolKind::ObjCInstanceMethod;
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else
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Info.Kind = SymbolKind::ObjCClassMethod;
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Info.Lang = SymbolLanguage::ObjC;
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break;
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case Decl::ObjCProperty:
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Info.Kind = SymbolKind::ObjCProperty;
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Info.Lang = SymbolLanguage::ObjC;
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break;
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case Decl::ObjCIvar:
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Info.Kind = SymbolKind::ObjCIvar;
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Info.Lang = SymbolLanguage::ObjC;
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break;
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case Decl::Namespace:
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Info.Kind = SymbolKind::CXXNamespace;
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Info.Lang = SymbolLanguage::CXX;
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break;
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case Decl::NamespaceAlias:
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Info.Kind = SymbolKind::CXXNamespaceAlias;
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Info.Lang = SymbolLanguage::CXX;
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break;
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case Decl::CXXConstructor:
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Info.Kind = SymbolKind::CXXConstructor;
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Info.Lang = SymbolLanguage::CXX;
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break;
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case Decl::CXXDestructor:
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Info.Kind = SymbolKind::CXXDestructor;
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Info.Lang = SymbolLanguage::CXX;
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break;
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case Decl::CXXConversion:
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Info.Kind = SymbolKind::CXXConversionFunction;
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Info.Lang = SymbolLanguage::CXX;
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break;
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case Decl::CXXMethod: {
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const CXXMethodDecl *MD = cast<CXXMethodDecl>(D);
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if (MD->isStatic())
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Info.Kind = SymbolKind::CXXStaticMethod;
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else
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Info.Kind = SymbolKind::CXXInstanceMethod;
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Info.Lang = SymbolLanguage::CXX;
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break;
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}
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case Decl::ClassTemplate:
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Info.Kind = SymbolKind::CXXClass;
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Info.TemplateKind = SymbolCXXTemplateKind::Template;
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break;
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case Decl::FunctionTemplate:
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Info.Kind = SymbolKind::Function;
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Info.TemplateKind = SymbolCXXTemplateKind::Template;
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if (const CXXMethodDecl *MD = dyn_cast_or_null<CXXMethodDecl>(
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cast<FunctionTemplateDecl>(D)->getTemplatedDecl())) {
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if (isa<CXXConstructorDecl>(MD))
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Info.Kind = SymbolKind::CXXConstructor;
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else if (isa<CXXDestructorDecl>(MD))
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Info.Kind = SymbolKind::CXXDestructor;
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else if (isa<CXXConversionDecl>(MD))
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Info.Kind = SymbolKind::CXXConversionFunction;
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else {
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if (MD->isStatic())
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Info.Kind = SymbolKind::CXXStaticMethod;
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else
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Info.Kind = SymbolKind::CXXInstanceMethod;
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}
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}
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break;
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case Decl::TypeAliasTemplate:
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Info.Kind = SymbolKind::CXXTypeAlias;
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Info.TemplateKind = SymbolCXXTemplateKind::Template;
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break;
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case Decl::TypeAlias:
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Info.Kind = SymbolKind::CXXTypeAlias;
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Info.Lang = SymbolLanguage::CXX;
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break;
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default:
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break;
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}
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}
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if (Info.Kind == SymbolKind::Unknown)
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return Info;
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if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
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if (FD->getTemplatedKind() ==
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FunctionDecl::TK_FunctionTemplateSpecialization)
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Info.TemplateKind = SymbolCXXTemplateKind::TemplateSpecialization;
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}
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if (Info.TemplateKind != SymbolCXXTemplateKind::NonTemplate)
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Info.Lang = SymbolLanguage::CXX;
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return Info;
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}
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void index::applyForEachSymbolRole(SymbolRoleSet Roles,
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llvm::function_ref<void(SymbolRole)> Fn) {
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#define APPLY_FOR_ROLE(Role) \
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if (Roles & (unsigned)SymbolRole::Role) \
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Fn(SymbolRole::Role)
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APPLY_FOR_ROLE(Declaration);
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APPLY_FOR_ROLE(Definition);
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APPLY_FOR_ROLE(Reference);
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APPLY_FOR_ROLE(Read);
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APPLY_FOR_ROLE(Write);
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APPLY_FOR_ROLE(Call);
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APPLY_FOR_ROLE(Dynamic);
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APPLY_FOR_ROLE(AddressOf);
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APPLY_FOR_ROLE(Implicit);
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APPLY_FOR_ROLE(RelationChildOf);
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APPLY_FOR_ROLE(RelationBaseOf);
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APPLY_FOR_ROLE(RelationOverrideOf);
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APPLY_FOR_ROLE(RelationReceivedBy);
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#undef APPLY_FOR_ROLE
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}
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void index::printSymbolRoles(SymbolRoleSet Roles, raw_ostream &OS) {
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bool VisitedOnce = false;
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applyForEachSymbolRole(Roles, [&](SymbolRole Role) {
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if (VisitedOnce)
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OS << '/';
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else
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VisitedOnce = true;
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switch (Role) {
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case SymbolRole::Declaration: OS << "Decl"; break;
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case SymbolRole::Definition: OS << "Def"; break;
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case SymbolRole::Reference: OS << "Ref"; break;
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case SymbolRole::Read: OS << "Read"; break;
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case SymbolRole::Write: OS << "Writ"; break;
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case SymbolRole::Call: OS << "Call"; break;
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case SymbolRole::Dynamic: OS << "Dyn"; break;
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case SymbolRole::AddressOf: OS << "Addr"; break;
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case SymbolRole::Implicit: OS << "Impl"; break;
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case SymbolRole::RelationChildOf: OS << "RelChild"; break;
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case SymbolRole::RelationBaseOf: OS << "RelBase"; break;
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case SymbolRole::RelationOverrideOf: OS << "RelOver"; break;
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case SymbolRole::RelationReceivedBy: OS << "RelRec"; break;
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}
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});
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}
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StringRef index::getSymbolKindString(SymbolKind K) {
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switch (K) {
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case SymbolKind::Unknown: return "<unknown>";
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case SymbolKind::Module: return "module";
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case SymbolKind::Macro: return "macro";
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case SymbolKind::Enum: return "enum";
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case SymbolKind::Struct: return "struct";
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case SymbolKind::Union: return "union";
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case SymbolKind::Typedef: return "typedef";
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case SymbolKind::Function: return "function";
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case SymbolKind::Variable: return "variable";
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case SymbolKind::Field: return "field";
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case SymbolKind::EnumConstant: return "enumerator";
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case SymbolKind::ObjCClass: return "objc-class";
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case SymbolKind::ObjCProtocol: return "objc-protocol";
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case SymbolKind::ObjCCategory: return "objc-category";
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case SymbolKind::ObjCInstanceMethod: return "objc-instance-method";
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case SymbolKind::ObjCClassMethod: return "objc-class-method";
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case SymbolKind::ObjCProperty: return "objc-property";
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case SymbolKind::ObjCIvar: return "objc-ivar";
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case SymbolKind::CXXClass: return "c++-class";
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case SymbolKind::CXXNamespace: return "namespace";
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case SymbolKind::CXXNamespaceAlias: return "namespace-alias";
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case SymbolKind::CXXStaticVariable: return "c++-static-var";
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case SymbolKind::CXXStaticMethod: return "c++-static-method";
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case SymbolKind::CXXInstanceMethod: return "c++-instance-method";
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case SymbolKind::CXXConstructor: return "constructor";
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case SymbolKind::CXXDestructor: return "destructor";
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case SymbolKind::CXXConversionFunction: return "coversion-func";
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case SymbolKind::CXXTypeAlias: return "type-alias";
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case SymbolKind::CXXInterface: return "c++-__interface";
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}
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}
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StringRef index::getTemplateKindStr(SymbolCXXTemplateKind TK) {
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switch (TK) {
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case SymbolCXXTemplateKind::NonTemplate: return "NT";
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case SymbolCXXTemplateKind::Template : return "T";
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case SymbolCXXTemplateKind::TemplatePartialSpecialization : return "TPS";
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case SymbolCXXTemplateKind::TemplateSpecialization: return "TS";
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}
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}
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StringRef index::getSymbolLanguageString(SymbolLanguage K) {
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switch (K) {
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case SymbolLanguage::C: return "C";
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case SymbolLanguage::ObjC: return "ObjC";
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case SymbolLanguage::CXX: return "C++";
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}
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}
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