path: root/lib/Sema/SemaTemplateInstantiate.cpp

//===------- SemaTemplateInstantiate.cpp - C++ Template Instantiation ------===/
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//===----------------------------------------------------------------------===/
//
//  This file implements C++ template instantiation.
//
//===----------------------------------------------------------------------===/

#include "Sema.h"
#include "TreeTransform.h"
#include "Lookup.h"
#include "clang/AST/ASTConsumer.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Expr.h"
#include "clang/AST/DeclTemplate.h"
#include "clang/Parse/DeclSpec.h"
#include "clang/Basic/LangOptions.h"
#include "llvm/Support/Compiler.h"

using namespace clang;

//===----------------------------------------------------------------------===/
// Template Instantiation Support
//===----------------------------------------------------------------------===/

/// \brief Retrieve the template argument list(s) that should be used to
/// instantiate the definition of the given declaration.
///
/// \param D the declaration for which we are computing template instantiation
/// arguments.
///
/// \param Innermost if non-NULL, the innermost template argument list.
MultiLevelTemplateArgumentList
Sema::getTemplateInstantiationArgs(NamedDecl *D, 
                                   const TemplateArgumentList *Innermost) {
  // Accumulate the set of template argument lists in this structure.
  MultiLevelTemplateArgumentList Result;

  if (Innermost)
    Result.addOuterTemplateArguments(Innermost);
  
  DeclContext *Ctx = dyn_cast<DeclContext>(D);
  if (!Ctx)
    Ctx = D->getDeclContext();

  while (!Ctx