Parse support for C++0x type parameter packs.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73247 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 14 insertions, 5 deletions

diff --git a/lib/Parse/ParseTemplate.cpp b/lib/Parse/ParseTemplate.cpp
index 2a79b99d29..30924b217f 100644
--- a/lib/Parse/ParseTemplate.cpp
+++ b/lib/Parse/ParseTemplate.cpp
@@ -290,11 +290,11 @@ Parser::ParseTemplateParameterList(unsigned Depth,
 ///         parameter-declaration
 ///
 ///       type-parameter: (see below)
-///         'class' identifier[opt]
+///         'class' ...[opt] identifier[opt]
 ///         'class' identifier[opt] '=' type-id
-///         'typename' identifier[opt]
+///         'typename' ...[opt] identifier[opt]
 ///         'typename' identifier[opt] '=' type-id
-///         'template' '<' template-parameter-list '>' 'class' identifier[opt]
+///         'template' ...[opt] '<' template-parameter-list '>' 'class' identifier[opt]
 ///         'template' '<' template-parameter-list '>' 'class' identifier[opt] = id-expression
 Parser::DeclPtrTy 
 Parser::ParseTemplateParameter(unsigned Depth, unsigned Position) {
@@ -319,9 +319,9 @@ Parser::ParseTemplateParameter(unsigned Depth, unsigned Position) {
 /// ParseTemplateTemplateParameter and ParseNonTypeTemplateParameter.
 ///
 ///       type-parameter:     [C++ temp.param]
-///         'class' identifier[opt]
+///         'class' ...[opt] identifier[opt]
 ///         'class' identifier[opt] '=' type-id
-///         'typename' identifier[opt]
+///         'typename' ...[opt] identifier[opt]
 ///         'typename' identifier[opt] '=' type-id
 Parser::DeclPtrTy Parser::ParseTypeParameter(unsigned Depth, unsigned Position){
   assert((Tok.is(tok::kw_class) || Tok.is(tok::kw_typename)) &&
@@ -331,6 +331,14 @@ Parser::DeclPtrTy Parser::ParseTypeParameter(unsigned Depth, unsigned Position){
   bool TypenameKeyword = Tok.is(tok::kw_typename);
   SourceLocation KeyLoc = ConsumeToken();
 
+  // Grab the ellipsis (if given).
+  bool Ellipsis = false;
+  SourceLocation EllipsisLoc;
+  if (getLang().CPlusPlus0x && Tok.is(tok::ellipsis)) {
+    Ellipsis = true;
+    EllipsisLoc = ConsumeToken();
+  }
+  
   // Grab the template parameter name (if given)
   SourceLocation NameLoc;
   IdentifierInfo* ParamName = 0;
@@ -347,6 +355,7 @@ Parser::DeclPtrTy Parser::ParseTypeParameter(unsigned Depth, unsigned Position){
   }
   
   DeclPtrTy TypeParam = Actions.ActOnTypeParameter(CurScope, TypenameKeyword,
+                                                   Ellipsis, EllipsisLoc,
                                                    KeyLoc, ParamName, NameLoc,
                                                    Depth, Position);