dump.c (cp_dump_tree, [...]): New case.

	* 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.

From-SVN: r41783

gcc/cp/ChangeLog

+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

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)

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;
     }

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;