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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
123 lines
4.2 KiB
C++
123 lines
4.2 KiB
C++
//===- CIndexCXX.cpp - Clang-C Source Indexing Library --------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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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unsigned clang_isVirtualBase(CXCursor C) {
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if (C.kind != CXCursor_CXXBaseSpecifier)
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return 0;
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const 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 || clang_isDeclaration(C.kind))
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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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llvm_unreachable("Invalid AccessSpecifier!");
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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 (const TemplateDecl *Template
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= dyn_cast_or_null<TemplateDecl>(getCursorDecl(C)))
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return MakeCXCursor(Template->getTemplatedDecl(), getCursorTU(C)).kind;
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break;
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case CXCursor_ClassTemplatePartialSpecialization:
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if (const 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_Interface:
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case TTK_Struct: return CXCursor_StructDecl;
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case TTK_Class: return CXCursor_ClassDecl;
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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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const Decl *D = getCursorDecl(C);
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if (!D)
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return clang_getNullCursor();
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Decl *Template = nullptr;
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if (const CXXRecordDecl *CXXRecord = dyn_cast<CXXRecordDecl>(D)) {
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if (const ClassTemplatePartialSpecializationDecl *PartialSpec
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= dyn_cast<ClassTemplatePartialSpecializationDecl>(CXXRecord))
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Template = PartialSpec->getSpecializedTemplate();
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else if (const 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 (const 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 (const 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 (const 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, getCursorTU(C));
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}
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