TemplateName.cpp revision e4f2142d00fa5fdb580c4e2413da91882d955381 
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
14#include "clang/AST/TemplateName.h"
15#include "clang/AST/DeclTemplate.h"
16#include "clang/AST/NestedNameSpecifier.h"
17#include "clang/AST/PrettyPrinter.h"
18#include "clang/Basic/LangOptions.h"
19#include "llvm/Support/raw_ostream.h"
20using namespace clang;
21
22TemplateDecl *TemplateName::getAsTemplateDecl() const {
23  if (TemplateDecl *Template = Storage.dyn_cast<TemplateDecl *>())
24    return Template;
25
26  if (QualifiedTemplateName *QTN = getAsQualifiedTemplateName())
27    return QTN->getTemplateDecl();
28
29  return 0;
30}
31
32bool TemplateName::isDependent() const {
33  if (TemplateDecl *Template = getAsTemplateDecl()) {
34    // FIXME: We don't yet have a notion of dependent
35    // declarations. When we do, check that. This hack won't last
36    // long!.
37    return isa<TemplateTemplateParmDecl>(Template);
38  }
39
40  return true;
41}
42
43void
44TemplateName::print(llvm::raw_ostream &OS, const PrintingPolicy &Policy,
45                    bool SuppressNNS) const {
46  if (TemplateDecl *Template = Storage.dyn_cast<TemplateDecl *>())
47    OS << Template->getIdentifier()->getName();
48  else if (QualifiedTemplateName *QTN = getAsQualifiedTemplateName()) {
49    if (!SuppressNNS)
50      QTN->getQualifier()->print(OS, Policy);
51    if (QTN->hasTemplateKeyword())
52      OS << "template ";
53    OS << QTN->getTemplateDecl()->getIdentifier()->getName();
54  } else if (DependentTemplateName *DTN = getAsDependentTemplateName()) {
55    if (!SuppressNNS)
56      DTN->getQualifier()->print(OS, Policy);
57    OS << "template ";
58    OS << DTN->getName()->getName();
59  }
60}
61
62void TemplateName::dump() const {
63  LangOptions LO;  // FIXME!
64  LO.CPlusPlus = true;
65  LO.Bool = true;
66  print(llvm::errs(), PrintingPolicy(LO));
67}
68