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//===--- TemplateName.h - C++ Template Name Representation-------*- 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 TemplateName interface and subclasses.
//
//===----------------------------------------------------------------------===//
#include "clang/AST/TemplateName.h"
#include "clang/AST/DeclTemplate.h"
#include "clang/AST/NestedNameSpecifier.h"
#include "clang/AST/PrettyPrinter.h"
#include "clang/Basic/LangOptions.h"
#include "llvm/Support/raw_ostream.h"
using namespace clang;
TemplateDecl *TemplateName::getAsTemplateDecl() const {
if (TemplateDecl *Template = Storage.dyn_cast<TemplateDecl *>())
return Template;
if (QualifiedTemplateName *QTN = getAsQualifiedTemplateName())
return QTN->getTemplateDecl();
return 0;
}
OverloadedFunctionDecl *TemplateName::getAsOverloadedFunctionDecl() const {
if (OverloadedFunctionDecl *Ovl
= Storage.dyn_cast<OverloadedFunctionDecl *>())
return Ovl;
if (QualifiedTemplateName *QTN = getAsQualifiedTemplateName())
return QTN->getOverloadedFunctionDecl();
return 0;
}
bool TemplateName::isDependent() const {
if (TemplateDecl *Template = getAsTemplateDecl()) {
return isa<TemplateTemplateParmDecl>(Template) ||
Template->getDeclContext()->isDependentContext();
}
if (OverloadedFunctionDecl *Ovl = getAsOverloadedFunctionDecl())
return Ovl->getDeclContext()->isDependentContext();
return true;
}
void
TemplateName::print(llvm::raw_ostream &OS, const PrintingPolicy &Policy,
bool SuppressNNS) const {
if (TemplateDecl *Template = Storage.dyn_cast<TemplateDecl *>())
OS << Template->getIdentifier()->getName();
else if (OverloadedFunctionDecl *Ovl
= Storage.dyn_cast<OverloadedFunctionDecl *>())
OS << Ovl->getNameAsString();
else if (QualifiedTemplateName *QTN = getAsQualifiedTemplateName()) {
if (!SuppressNNS)
QTN->getQualifier()->print(OS, Policy);
if (QTN->hasTemplateKeyword())
OS << "template ";
OS << QTN->getDecl()->getNameAsString();
} else if (DependentTemplateName *DTN = getAsDependentTemplateName()) {
if (!SuppressNNS && DTN->getQualifier())
DTN->getQualifier()->print(OS, Policy);
OS << "template ";
// FIXME: Shouldn't we have a more general kind of name?
OS << DTN->getName()->getName();
}
}
void TemplateName::dump() const {
LangOptions LO; // FIXME!
LO.CPlusPlus = true;
LO.Bool = true;
print(llvm::errs(), PrintingPolicy(LO));
}
TemplateDecl *QualifiedTemplateName::getTemplateDecl() const {
return dyn_cast<TemplateDecl>(Template);
}
OverloadedFunctionDecl *
QualifiedTemplateName::getOverloadedFunctionDecl() const {
return dyn_cast<OverloadedFunctionDecl>(Template);
}
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