/* stack.h - structed access to object stacks Copyright (C) 1988, 2000 Free Software Foundation, Inc. Contributed by Michael Tiemann (tiemann@cygnus.com). This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Summary: this file contains additional structures that layer on top of obstacks for GNU C++. */ /* Stack of data placed on obstacks. */ struct stack_level { /* Pointer back to previous such level. */ struct stack_level *prev; /* Point to obstack we should return to. */ struct obstack *obstack; /* First place we start putting data. */ tree *first; /* Number of entries we can have from `first'. Right now we are dumb: if we overflow, abort. */ int limit; }; struct stack_level *push_stack_level PARAMS ((struct obstack *, char *, int)); struct stack_level *pop_stack_level PARAMS ((struct stack_level *));