llvm-project/clang/lib/Sema/SemaTemplateVariadic.cpp

47 lines
1.7 KiB
C++

//===------- SemaTemplateVariadic.cpp - C++ Variadic Templates ------------===/
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//===----------------------------------------------------------------------===/
//
// This file implements semantic analysis for C++0x variadic templates.
//===----------------------------------------------------------------------===/
#include "clang/Sema/Sema.h"
#include "clang/Sema/SemaInternal.h"
#include "clang/AST/Expr.h"
#include "clang/AST/TypeLoc.h"
using namespace clang;
bool Sema::DiagnoseUnexpandedParameterPack(SourceLocation Loc,
TypeSourceInfo *T,
UnexpandedParameterPackContext UPPC) {
// C++0x [temp.variadic]p5:
// An appearance of a name of a parameter pack that is not expanded is
// ill-formed.
if (!T->getType()->containsUnexpandedParameterPack())
return false;
// FIXME: Provide the names and locations of the unexpanded parameter packs.
Diag(Loc, diag::err_unexpanded_parameter_pack)
<< (int)UPPC << T->getTypeLoc().getSourceRange();
return true;
}
bool Sema::DiagnoseUnexpandedParameterPack(Expr *E,
UnexpandedParameterPackContext UPPC) {
// C++0x [temp.variadic]p5:
// An appearance of a name of a parameter pack that is not expanded is
// ill-formed.
if (!E->containsUnexpandedParameterPack())
return false;
// FIXME: Provide the names and locations of the unexpanded parameter packs.
Diag(E->getSourceRange().getBegin(), diag::err_unexpanded_parameter_pack)
<< (int)UPPC << E->getSourceRange();
return true;
}