From: mmitchel <mmitchel@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 23 Mar 2007 04:39:08 +0000 (+0000)
Subject: 	* cp-tree.h (current_tempalte_parms): Improve documentation.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df476b3b715126a236b381c02bf841eb77c75bce;p=thirdparty%2Fgcc.git

	* cp-tree.h (current_tempalte_parms): Improve documentation.
	* pt.c (current_template_args): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@123153 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 523d52b85f07..42a57d035ac8 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,8 @@
 2007-03-22  Mark Mitchell  <mark@codesourcery.com>
 
+	* cp-tree.h (current_tempalte_parms): Improve documentation.
+	* pt.c (current_template_args): Likewise.
+
 	PR c++/30863
 	* parser.c (cp_parser_parse_and_diagnose_invalid_type_name): Do
 	not consume tokens when failing.
diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h
index b9b35006643e..18f2cfbc639b 100644
--- a/gcc/cp/cp-tree.h
+++ b/gcc/cp/cp-tree.h
@@ -742,8 +742,12 @@ struct saved_scope GTY(())
 #define current_lang_base scope_chain->lang_base
 #define current_lang_name scope_chain->lang_name
 
-/* Parsing a function declarator leaves a list of parameter names
-   or a chain or parameter decls here.  */
+/* When parsing a template declaration, a TREE_LIST representing the
+   active template parametesr.  Each node in the list represents one
+   level of template parameters.  The innermost level is first in the
+   list.  The depth of each level is stored as an INTEGER_CST in the
+   TREE_PURPOSE of each node.  The parameters for that level are
+   stored in the TREE_VALUE.  */
 
 #define current_template_parms scope_chain->template_parms
 
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index 575057fd3ef5..69c60b4f5af2 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -2991,8 +2991,10 @@ end_template_decl (void)
   current_template_parms = TREE_CHAIN (current_template_parms);
 }
 
-/* Given a template argument vector containing the template PARMS.
-   The innermost PARMS are given first.  */
+/* Within the declaration of a template, return all levels of template
+   parameters that apply.  The template parameters are represented as
+   a TREE_VEC, in the form documented in cp-tree.h for template
+   arguments.  */
 
 static tree
 current_template_args (void)