forked from OSchip/llvm-project
35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
//===--- NestedNameSpecifier.cpp - C++ nested name specifiers -----*- C++ -*-=//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines the NestedNameSpecifier class, which represents
|
|
// a C++ nested-name-specifier.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
#include "clang/AST/NestedNameSpecifier.h"
|
|
#include "clang/AST/ASTContext.h"
|
|
#include "clang/AST/Decl.h"
|
|
#include "clang/AST/Type.h"
|
|
using namespace clang;
|
|
|
|
DeclContext *
|
|
NestedNameSpecifier::computeDeclContext(ASTContext &Context) const {
|
|
// The simple case: we're storing a DeclContext
|
|
if ((Data & 0x01) == 0)
|
|
return reinterpret_cast<DeclContext *>(Data);
|
|
|
|
Type *T = getAsType();
|
|
if (!T)
|
|
return 0;
|
|
|
|
// Retrieve the DeclContext associated with this type.
|
|
const TagType *TagT = T->getAsTagType();
|
|
assert(TagT && "No DeclContext from a non-tag type");
|
|
return TagT->getDecl();
|
|
}
|