* c-exp.y (%union) <type_stack>: New field.

	(abs_decl, direct_abs_decl): Use <type_stack> type.  Update.
	(ptr_operator_ts): New production.
	(ptype): Update.
	* parse.c (type_stack_reserve): New function.
	(check_type_stack_depth): Use it.
	(pop_type_stack, append_type_stack, push_type_stack)
	(get_type_stack, type_stack_cleanup): New functions.
	(follow_types): Handle tp_type_stack.
	(_initialize_parse): Simplify initialization.
	* parser-defs.h (enum type_pieces) <tp_type_stack>: New
	constant.
	(union type_stack_elt) <stack_val>: New field.
	(get_type_stack, append_type_stack, push_type_stack)
	(type_stack_cleanup): Declare.
testsuite
	* gdb.base/whatis.exp: Add tests.

1 files changed, 12 insertions, 1 deletions

diff --git a/gdb/parser-defs.h b/gdb/parser-defs.h
index de283d04fbd..06491893ddc 100644
--- a/gdb/parser-defs.h
+++ b/gdb/parser-defs.h
@@ -119,13 +119,15 @@ enum type_pieces
     tp_function, 
     tp_const, 
     tp_volatile, 
-    tp_space_identifier
+    tp_space_identifier,
+    tp_type_stack
   };
 /* The stack can contain either an enum type_pieces or an int.  */
 union type_stack_elt
   {
     enum type_pieces piece;
     int int_val;
+    struct type_stack *stack_val;
   };
 
 /* The type stack is an instance of this structure.  */
@@ -214,6 +216,15 @@ extern enum type_pieces pop_type (void);
 
 extern int pop_type_int (void);
 
+extern struct type_stack *get_type_stack (void);
+
+extern struct type_stack *append_type_stack (struct type_stack *to,
+					     struct type_stack *from);
+
+extern void push_type_stack (struct type_stack *stack);
+
+extern void type_stack_cleanup (void *arg);
+
 extern int length_of_subexp (struct expression *, int);
 
 extern int dump_subexp (struct expression *, struct ui_file *, int);