Rename and add types and constants

From-SVN: r4159

gcc/objc/objc-tree.def

@@ -20,17 +20,17 @@ along with GNU CC; see the file COPYING.  If not, write to
 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 
-/* 
- * Objective-C types.
- */
-DEFTREECODE (INTERFACE_TYPE, "interface_type", "t", 0)
-DEFTREECODE (IMPLEMENTATION_TYPE, "implementation_type", "t", 0)
-DEFTREECODE (PROTOCOL_TYPE, "protocol_type", "t", 0)
-DEFTREECODE (CATEGORY_TYPE, "category_type", "t", 0)
-
-/* 
- * Objective-C decls.
- */
+/* Objective-C types.  */
+DEFTREECODE (CLASS_INTERFACE_TYPE, "class_interface_type", "t", 0)
+DEFTREECODE (CLASS_IMPLEMENTATION_TYPE, "class_implementation_type", "t", 0)
+DEFTREECODE (CATEGORY_INTERFACE_TYPE, "category_interface_type", "t", 0)
+DEFTREECODE (CATEGORY_IMPLEMENTATION_TYPE,"category_implementation_type","t",0)
+DEFTREECODE (PROTOCOL_INTERFACE_TYPE, "protocol_interface_type", "t", 0)
+
+/* Objective-C decls.  */
 DEFTREECODE (KEYWORD_DECL, "keyword_decl", "d", 0)
 DEFTREECODE (INSTANCE_METHOD_DECL, "instance_method_decl", "d", 0)
 DEFTREECODE (CLASS_METHOD_DECL, "class_method_decl", "d", 0)
+
+/* Objective-C constants.  */
+DEFTREECODE (OBJC_STRING_CST, "objc_string_cst", "c", 3)