TemplateName.cpp revision 7532dc66648cfe7432c9fe66dec5225f0ab301c6 
1//===--- TemplateName.h - C++ Template Name Representation-------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10//  This file defines the TemplateName interface and subclasses.
11//
12//===----------------------------------------------------------------------===//
13#include "clang/AST/TemplateName.h"
14#include "clang/AST/DeclTemplate.h"
15#include "clang/AST/NestedNameSpecifier.h"
16#include "llvm/Support/raw_ostream.h"
17
18using namespace clang;
19
20TemplateDecl *TemplateName::getAsTemplateDecl() const {
21  if (TemplateDecl *Template = Storage.dyn_cast<TemplateDecl *>())
22    return Template;
23
24  if (QualifiedTemplateName *QTN = getAsQualifiedTemplateName())
25    return QTN->getTemplateDecl();
26
27  return 0;
28}
29
30bool TemplateName::isDependent() const {
31  if (TemplateDecl *Template = getAsTemplateDecl()) {
32    // FIXME: We don't yet have a notion of dependent
33    // declarations. When we do, check that. This hack won't last
34    // long!.
35    return isa<TemplateTemplateParmDecl>(Template);
36  }
37
38  return true;
39}
40
41void TemplateName::Print(llvm::raw_ostream &OS) const {
42  if (TemplateDecl *Template = Storage.dyn_cast<TemplateDecl *>())
43    OS << Template->getIdentifier()->getName();
44  else if (QualifiedTemplateName *QTN = getAsQualifiedTemplateName()) {
45    QTN->getQualifier()->Print(OS);
46    if (QTN->hasTemplateKeyword())
47      OS << "template ";
48    OS << QTN->getTemplateDecl()->getIdentifier()->getName();
49  } else if (DependentTemplateName *DTN = getAsDependentTemplateName()) {
50    DTN->getQualifier()->Print(OS);
51    OS << "template ";
52    OS << DTN->getName()->getName();
53  }
54}
55