forked from OSchip/llvm-project
129 lines
4.2 KiB
C++
129 lines
4.2 KiB
C++
//===- CIndexCXX.cpp - Clang-C Source Indexing Library --------------------===//
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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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//
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// This file implements the libclang support for C++ cursors.
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//
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//===----------------------------------------------------------------------===//
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#include "CIndexer.h"
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#include "CXCursor.h"
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#include "CXType.h"
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#include "clang/AST/DeclCXX.h"
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#include "clang/AST/DeclTemplate.h"
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using namespace clang;
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using namespace clang::cxcursor;
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extern "C" {
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unsigned clang_isVirtualBase(CXCursor C) {
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if (C.kind != CXCursor_CXXBaseSpecifier)
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return 0;
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CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
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return B->isVirtual();
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}
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enum CX_CXXAccessSpecifier clang_getCXXAccessSpecifier(CXCursor C) {
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AccessSpecifier spec = AS_none;
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if (C.kind == CXCursor_CXXAccessSpecifier)
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spec = getCursorDecl(C)->getAccess();
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else if (C.kind == CXCursor_CXXBaseSpecifier)
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spec = getCursorCXXBaseSpecifier(C)->getAccessSpecifier();
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else
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return CX_CXXInvalidAccessSpecifier;
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switch (spec) {
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case AS_public: return CX_CXXPublic;
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case AS_protected: return CX_CXXProtected;
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case AS_private: return CX_CXXPrivate;
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case AS_none: return CX_CXXInvalidAccessSpecifier;
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}
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// FIXME: Clang currently thinks this is reachable.
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return CX_CXXInvalidAccessSpecifier;
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}
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enum CXCursorKind clang_getTemplateCursorKind(CXCursor C) {
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using namespace clang::cxcursor;
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switch (C.kind) {
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case CXCursor_ClassTemplate:
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case CXCursor_FunctionTemplate:
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if (TemplateDecl *Template
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= dyn_cast_or_null<TemplateDecl>(getCursorDecl(C)))
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return MakeCXCursor(Template->getTemplatedDecl(),
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static_cast<CXTranslationUnit>(C.data[2])).kind;
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break;
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case CXCursor_ClassTemplatePartialSpecialization:
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if (ClassTemplateSpecializationDecl *PartialSpec
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= dyn_cast_or_null<ClassTemplatePartialSpecializationDecl>(
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getCursorDecl(C))) {
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switch (PartialSpec->getTagKind()) {
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case TTK_Class: return CXCursor_ClassDecl;
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case TTK_Struct: return CXCursor_StructDecl;
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case TTK_Union: return CXCursor_UnionDecl;
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case TTK_Enum: return CXCursor_NoDeclFound;
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}
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}
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break;
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default:
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break;
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}
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return CXCursor_NoDeclFound;
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}
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CXCursor clang_getSpecializedCursorTemplate(CXCursor C) {
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if (!clang_isDeclaration(C.kind))
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return clang_getNullCursor();
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Decl *D = getCursorDecl(C);
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if (!D)
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return clang_getNullCursor();
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Decl *Template = 0;
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if (CXXRecordDecl *CXXRecord = dyn_cast<CXXRecordDecl>(D)) {
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if (ClassTemplatePartialSpecializationDecl *PartialSpec
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= dyn_cast<ClassTemplatePartialSpecializationDecl>(CXXRecord))
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Template = PartialSpec->getSpecializedTemplate();
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else if (ClassTemplateSpecializationDecl *ClassSpec
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= dyn_cast<ClassTemplateSpecializationDecl>(CXXRecord)) {
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llvm::PointerUnion<ClassTemplateDecl *,
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ClassTemplatePartialSpecializationDecl *> Result
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= ClassSpec->getSpecializedTemplateOrPartial();
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if (Result.is<ClassTemplateDecl *>())
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Template = Result.get<ClassTemplateDecl *>();
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else
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Template = Result.get<ClassTemplatePartialSpecializationDecl *>();
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} else
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Template = CXXRecord->getInstantiatedFromMemberClass();
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} else if (FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
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Template = Function->getPrimaryTemplate();
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if (!Template)
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Template = Function->getInstantiatedFromMemberFunction();
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} else if (VarDecl *Var = dyn_cast<VarDecl>(D)) {
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if (Var->isStaticDataMember())
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Template = Var->getInstantiatedFromStaticDataMember();
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} else if (RedeclarableTemplateDecl *Tmpl
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= dyn_cast<RedeclarableTemplateDecl>(D))
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Template = Tmpl->getInstantiatedFromMemberTemplate();
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if (!Template)
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return clang_getNullCursor();
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return MakeCXCursor(Template, static_cast<CXTranslationUnit>(C.data[2]));
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}
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} // end extern "C"
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