TemplateName.cpp revision 3b6afbb99a1c44b4076f8e15fb7311405941b306
17532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor//===--- TemplateName.h - C++ Template Name Representation-------*- C++ -*-===// 27532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor// 37532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor// The LLVM Compiler Infrastructure 47532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor// 57532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor// This file is distributed under the University of Illinois Open Source 67532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor// License. See LICENSE.TXT for details. 77532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor// 87532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor//===----------------------------------------------------------------------===// 97532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor// 107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor// This file defines the TemplateName interface and subclasses. 117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor// 127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor//===----------------------------------------------------------------------===// 13c960ee31c7e22a157a8cd31c92d9a9aa945e1e96Chris Lattner 147532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/DeclTemplate.h" 167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 17d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor#include "clang/AST/PrettyPrinter.h" 18e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner#include "clang/Basic/LangOptions.h" 197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "llvm/Support/raw_ostream.h" 207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregorusing namespace clang; 217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorTemplateDecl *TemplateName::getAsTemplateDecl() const { 237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (TemplateDecl *Template = Storage.dyn_cast<TemplateDecl *>()) 247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return Template; 257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QualifiedTemplateName *QTN = getAsQualifiedTemplateName()) 277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return QTN->getTemplateDecl(); 287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return 0; 307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 32d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas GregorOverloadedFunctionDecl *TemplateName::getAsOverloadedFunctionDecl() const { 33d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (OverloadedFunctionDecl *Ovl 34d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor = Storage.dyn_cast<OverloadedFunctionDecl *>()) 35d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return Ovl; 36d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 37d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (QualifiedTemplateName *QTN = getAsQualifiedTemplateName()) 38d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return QTN->getOverloadedFunctionDecl(); 39d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 40d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return 0; 41d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 42d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregorbool TemplateName::isDependent() const { 447532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (TemplateDecl *Template = getAsTemplateDecl()) { 45d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return isa<TemplateTemplateParmDecl>(Template) || 46d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor Template->getDeclContext()->isDependentContext(); 477532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 487532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 49d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (OverloadedFunctionDecl *Ovl = getAsOverloadedFunctionDecl()) 50d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return Ovl->getDeclContext()->isDependentContext(); 51d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 527532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return true; 537532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 547532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 55d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregorvoid 56d249e1d1f1498b81314459ceda19d6ff25c278adDouglas GregorTemplateName::print(llvm::raw_ostream &OS, const PrintingPolicy &Policy, 57d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor bool SuppressNNS) const { 587532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (TemplateDecl *Template = Storage.dyn_cast<TemplateDecl *>()) 597532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor OS << Template->getIdentifier()->getName(); 60d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor else if (OverloadedFunctionDecl *Ovl 61d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor = Storage.dyn_cast<OverloadedFunctionDecl *>()) 62d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor OS << Ovl->getNameAsString(); 637532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor else if (QualifiedTemplateName *QTN = getAsQualifiedTemplateName()) { 641734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (!SuppressNNS) 65d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor QTN->getQualifier()->print(OS, Policy); 667532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN->hasTemplateKeyword()) 677532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor OS << "template "; 68d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor OS << QTN->getDecl()->getNameAsString(); 697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else if (DependentTemplateName *DTN = getAsDependentTemplateName()) { 703b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor if (!SuppressNNS && DTN->getQualifier()) 71d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor DTN->getQualifier()->print(OS, Policy); 727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor OS << "template "; 73d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor // FIXME: Shouldn't we have a more general kind of name? 747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor OS << DTN->getName()->getName(); 757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 77de650ae96b53eb6109f29fdb5ee51c514259e6e4Douglas Gregor 789bde77309fd2f9f7a53446e374472c48c81f5182Douglas Gregorvoid TemplateName::dump() const { 79e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner LangOptions LO; // FIXME! 80e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner LO.CPlusPlus = true; 81e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner LO.Bool = true; 82e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner print(llvm::errs(), PrintingPolicy(LO)); 83de650ae96b53eb6109f29fdb5ee51c514259e6e4Douglas Gregor} 84d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 85d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas GregorTemplateDecl *QualifiedTemplateName::getTemplateDecl() const { 86d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return dyn_cast<TemplateDecl>(Template); 87d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 88d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 89d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas GregorOverloadedFunctionDecl * 90d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas GregorQualifiedTemplateName::getOverloadedFunctionDecl() const { 91d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return dyn_cast<OverloadedFunctionDecl>(Template); 92d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 93d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 94