зеркало из https://github.com/microsoft/clang-1.git
97 строки
3.0 KiB
C++
97 строки
3.0 KiB
C++
//===--- TemplateName.h - C++ Template Name Representation-------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the TemplateName interface and subclasses.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/AST/TemplateName.h"
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#include "clang/AST/DeclTemplate.h"
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#include "clang/AST/NestedNameSpecifier.h"
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#include "clang/AST/PrettyPrinter.h"
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#include "clang/Basic/LangOptions.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace clang;
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TemplateDecl *TemplateName::getAsTemplateDecl() const {
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if (TemplateDecl *Template = Storage.dyn_cast<TemplateDecl *>())
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return Template;
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if (QualifiedTemplateName *QTN = getAsQualifiedTemplateName())
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return QTN->getTemplateDecl();
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return 0;
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}
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OverloadedFunctionDecl *TemplateName::getAsOverloadedFunctionDecl() const {
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if (OverloadedFunctionDecl *Ovl
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= Storage.dyn_cast<OverloadedFunctionDecl *>())
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return Ovl;
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if (QualifiedTemplateName *QTN = getAsQualifiedTemplateName())
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return QTN->getOverloadedFunctionDecl();
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return 0;
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}
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bool TemplateName::isDependent() const {
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if (TemplateDecl *Template = getAsTemplateDecl()) {
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return isa<TemplateTemplateParmDecl>(Template) ||
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Template->getDeclContext()->isDependentContext();
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}
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if (OverloadedFunctionDecl *Ovl = getAsOverloadedFunctionDecl())
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return Ovl->getDeclContext()->isDependentContext();
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return true;
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}
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void
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TemplateName::print(llvm::raw_ostream &OS, const PrintingPolicy &Policy,
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bool SuppressNNS) const {
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if (TemplateDecl *Template = Storage.dyn_cast<TemplateDecl *>())
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OS << Template->getNameAsString();
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else if (OverloadedFunctionDecl *Ovl
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= Storage.dyn_cast<OverloadedFunctionDecl *>())
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OS << Ovl->getNameAsString();
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else if (QualifiedTemplateName *QTN = getAsQualifiedTemplateName()) {
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if (!SuppressNNS)
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QTN->getQualifier()->print(OS, Policy);
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if (QTN->hasTemplateKeyword())
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OS << "template ";
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OS << QTN->getDecl()->getNameAsString();
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} else if (DependentTemplateName *DTN = getAsDependentTemplateName()) {
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if (!SuppressNNS && DTN->getQualifier())
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DTN->getQualifier()->print(OS, Policy);
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OS << "template ";
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if (DTN->isIdentifier())
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OS << DTN->getIdentifier()->getName();
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else
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OS << "operator " << getOperatorSpelling(DTN->getOperator());
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}
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}
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void TemplateName::dump() const {
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LangOptions LO; // FIXME!
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LO.CPlusPlus = true;
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LO.Bool = true;
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print(llvm::errs(), PrintingPolicy(LO));
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}
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TemplateDecl *QualifiedTemplateName::getTemplateDecl() const {
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return dyn_cast<TemplateDecl>(Template);
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}
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OverloadedFunctionDecl *
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QualifiedTemplateName::getOverloadedFunctionDecl() const {
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return dyn_cast<OverloadedFunctionDecl>(Template);
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}
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