From 85a363ce903a5fc373b75daaa5759793985c93c7 Mon Sep 17 00:00:00 2001
From: nathan <nathan@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 3 May 2001 11:02:26 +0000
Subject: [PATCH] 	* dump.c (cp_dump_tree, USING_STMT case): New case. 
 * tree.c (cp_statement_code_p): Add USING_STMT. 	* decl2.c
 (do_using_directive): Add the using directive statement.

	* tree.c (walk_tree): Reformat an if block.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41783 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/cp/ChangeLog |  8 ++++++++
 gcc/cp/decl2.c   |  2 ++
 gcc/cp/dump.c    |  6 ++++++
 gcc/cp/tree.c    | 23 +++++++++++++----------
 4 files changed, 29 insertions(+), 10 deletions(-)

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index cb625ed..e98d1ab 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,11 @@
+2001-05-03  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* dump.c (cp_dump_tree, USING_STMT case): New case.
+	* tree.c (cp_statement_code_p): Add USING_STMT.
+	* decl2.c (do_using_directive): Add the using directive statement.
+
+	* tree.c (walk_tree): Reformat an if block.
+
 2001-05-02  Mark Mitchell  <mark@codesourcery.com>
 
 	* decl.c (compute_array_index_type): Don't try to do anything with
diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c
index 9010092..768fd5f 100644
--- a/gcc/cp/decl2.c
+++ b/gcc/cp/decl2.c
@@ -5204,6 +5204,8 @@ do_using_directive (namespace)
 {
   if (namespace == fake_std_node)
     return;
+  if (building_stmt_tree ())
+    add_stmt (build_stmt (USING_STMT, namespace));
   
   /* using namespace A::B::C; */
   if (TREE_CODE (namespace) == SCOPE_REF)
diff --git a/gcc/cp/dump.c b/gcc/cp/dump.c
index a4033c3..3f0a118 100644
--- a/gcc/cp/dump.c
+++ b/gcc/cp/dump.c
@@ -252,6 +252,12 @@ cp_dump_tree (di, t)
       dump_next_stmt (di, t);
       break;
 
+    case USING_STMT:
+      dump_stmt (di, t);
+      dump_child ("nmsp", USING_STMT_NAMESPACE (t));
+      dump_next_stmt (di, t);
+      break;
+      
     default:
       break;
     }
diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c
index 73f67bb..5de2b5d 100644
--- a/gcc/cp/tree.c
+++ b/gcc/cp/tree.c
@@ -1038,6 +1038,7 @@ cp_statement_code_p (code)
     case TRY_BLOCK:
     case HANDLER:
     case EH_SPEC_BLOCK:
+    case USING_STMT:
       return 1;
 
     default:
@@ -1188,16 +1189,18 @@ walk_tree (tp, func, data, htab)
   if (!*tp)
     return NULL_TREE;
 
-  if (htab) {
-    void **slot;
-    /* Don't walk the same tree twice, if the user has requested that we
-       avoid doing so. */
-    if (htab_find (htab, *tp))
-      return NULL_TREE;
-    /* If we haven't already seen this node, add it to the table. */
-    slot = htab_find_slot (htab, *tp, INSERT);
-    *slot = *tp;
-  }
+  if (htab)
+    {
+      void **slot;
+      
+      /* Don't walk the same tree twice, if the user has requested
+         that we avoid doing so. */
+      if (htab_find (htab, *tp))
+	return NULL_TREE;
+      /* If we haven't already seen this node, add it to the table. */
+      slot = htab_find_slot (htab, *tp, INSERT);
+      *slot = *tp;
+    }
 
   /* Call the function.  */
   walk_subtrees = 1;
-- 
2.7.4