Improve the representation of template names in the AST. This

representation handles the various ways in which one can name a
template, including unqualified references ("vector"), qualified
references ("std::vector"), and dependent template names
("MetaFun::template apply").

One immediate effect of this change is that the representation of
nested-name-specifiers in type names for class template
specializations (e.g., std::vector<int>) is more accurate. Rather than
representing std::vector<int> as

  std::(vector<int>)

we represent it as

  (std::vector)<int>

which more closely follows the C++ grammar. 

Additionally, templates are no longer represented as declarations
(DeclPtrTy) in Parse-Sema interactions. Instead, I've introduced a new
OpaquePtr type (TemplateTy) that holds the representation of a
TemplateName. This will simplify the handling of dependent
template-names, once we get there.

llvm-svn: 68074

1 files changed, 1 insertions, 1 deletions

diff --git a/clang/lib/Parse/Parser.cpp b/clang/lib/Parse/Parser.cpp
index b34c241fd1b..a101aaa7326 100644
--- a/clang/lib/Parse/Parser.cpp
+++ b/clang/lib/Parse/Parser.cpp
@@ -885,7 +885,7 @@ bool Parser::TryAnnotateTypeOrScopeToken() {
     
     // If this is a template-id, annotate with a template-id or type token.
     if (NextToken().is(tok::less)) {
-      DeclPtrTy Template;
+      TemplateTy Template;
       if (TemplateNameKind TNK 
             = Actions.isTemplateName(*Tok.getIdentifierInfo(),
                                      CurScope, Template, &SS))