1994-08-02 20:15:59 +00:00
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/* stack.h - structed access to object stacks
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Copyright (C) 1988 Free Software Foundation, Inc.
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Contributed by Michael Tiemann (tiemann@cygnus.com).
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Summary: this file contains additional structures that layer
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on top of obstacks for GNU C++. */
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/* Stack of data placed on obstacks. */
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1995-05-30 05:05:38 +00:00
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1994-08-02 20:15:59 +00:00
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struct stack_level
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{
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/* Pointer back to previous such level. */
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struct stack_level *prev;
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/* Point to obstack we should return to. */
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struct obstack *obstack;
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/* First place we start putting data. */
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tree *first;
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/* Number of entries we can have from `first'.
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Right now we are dumb: if we overflow, abort. */
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int limit;
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};
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struct stack_level *push_stack_level PROTO((struct obstack *, char *, int));
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struct stack_level *pop_stack_level PROTO((struct stack_level *));
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