source: trunk/third/gcc/stack.h @ 8834

Revision 8834, 1.4 KB checked in by ghudson, 28 years ago (diff)
This commit was generated by cvs2svn to compensate for changes in r8833, which included commits to RCS files with non-trunk default branches.
Line 
1/* stack.h - structed access to object stacks
2   Copyright (C) 1988 Free Software Foundation, Inc.
3   Contributed by Michael Tiemann (tiemann@cygnus.com).
4
5This program is free software; you can redistribute it and/or modify it
6under the terms of the GNU General Public License as published by the
7Free Software Foundation; either version 2, or (at your option) any
8later version.
9
10This program is distributed in the hope that it will be useful,
11but WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13GNU General Public License for more details.
14
15You should have received a copy of the GNU General Public License
16along with this program; if not, write to the Free Software
17Foundation, 59 Temple Place - Suite 330,
18Boston, MA 02111-1307, USA.  */
19
20/* Summary: this file contains additional structures that layer
21   on top of obstacks for GNU C++.  */
22
23/* Stack of data placed on obstacks.  */
24   
25struct stack_level
26{
27  /* Pointer back to previous such level.  */
28  struct stack_level *prev;
29
30  /* Point to obstack we should return to.  */
31  struct obstack *obstack;
32
33  /* First place we start putting data.  */
34  tree *first;
35
36  /* Number of entries we can have from `first'.
37     Right now we are dumb: if we overflow, abort.  */
38  int limit;
39};
40
41struct stack_level *push_stack_level PROTO((struct obstack *, char *, int));
42struct stack_level *pop_stack_level PROTO((struct stack_level *));
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