Douglas Gregor | c463335 | 2010-12-15 17:38:57 +0000 | [diff] [blame^] | 1 | //===------- SemaTemplateVariadic.cpp - C++ Variadic Templates ------------===/ |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | //===----------------------------------------------------------------------===/ |
| 8 | // |
| 9 | // This file implements semantic analysis for C++0x variadic templates. |
| 10 | //===----------------------------------------------------------------------===/ |
| 11 | |
| 12 | #include "clang/Sema/Sema.h" |
| 13 | #include "clang/Sema/SemaInternal.h" |
| 14 | #include "clang/AST/Expr.h" |
| 15 | #include "clang/AST/TypeLoc.h" |
| 16 | |
| 17 | using namespace clang; |
| 18 | |
| 19 | bool Sema::DiagnoseUnexpandedParameterPack(SourceLocation Loc, |
| 20 | TypeSourceInfo *T, |
| 21 | UnexpandedParameterPackContext UPPC) { |
| 22 | // C++0x [temp.variadic]p5: |
| 23 | // An appearance of a name of a parameter pack that is not expanded is |
| 24 | // ill-formed. |
| 25 | if (!T->getType()->containsUnexpandedParameterPack()) |
| 26 | return false; |
| 27 | |
| 28 | // FIXME: Provide the names and locations of the unexpanded parameter packs. |
| 29 | Diag(Loc, diag::err_unexpanded_parameter_pack) |
| 30 | << (int)UPPC << T->getTypeLoc().getSourceRange(); |
| 31 | return true; |
| 32 | } |
| 33 | |
| 34 | bool Sema::DiagnoseUnexpandedParameterPack(Expr *E, |
| 35 | UnexpandedParameterPackContext UPPC) { |
| 36 | // C++0x [temp.variadic]p5: |
| 37 | // An appearance of a name of a parameter pack that is not expanded is |
| 38 | // ill-formed. |
| 39 | if (!E->containsUnexpandedParameterPack()) |
| 40 | return false; |
| 41 | |
| 42 | // FIXME: Provide the names and locations of the unexpanded parameter packs. |
| 43 | Diag(E->getSourceRange().getBegin(), diag::err_unexpanded_parameter_pack) |
| 44 | << (int)UPPC << E->getSourceRange(); |
| 45 | return true; |
| 46 | } |