[8833] | 1 | /* stack.h - structed access to object stacks |
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| 2 | Copyright (C) 1988 Free Software Foundation, Inc. |
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| 3 | Contributed by Michael Tiemann (tiemann@cygnus.com). |
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| 4 | |
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| 5 | This program is free software; you can redistribute it and/or modify it |
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| 6 | under the terms of the GNU General Public License as published by the |
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| 7 | Free Software Foundation; either version 2, or (at your option) any |
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| 8 | later version. |
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| 9 | |
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| 10 | This program is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | GNU General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU General Public License |
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| 16 | along with this program; if not, write to the Free Software |
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| 17 | Foundation, 59 Temple Place - Suite 330, |
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| 18 | Boston, MA 02111-1307, USA. */ |
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| 19 | |
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| 20 | /* Summary: this file contains additional structures that layer |
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| 21 | on top of obstacks for GNU C++. */ |
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| 22 | |
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| 23 | /* Stack of data placed on obstacks. */ |
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| 24 | |
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| 25 | struct stack_level |
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| 26 | { |
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| 27 | /* Pointer back to previous such level. */ |
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| 28 | struct stack_level *prev; |
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| 29 | |
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| 30 | /* Point to obstack we should return to. */ |
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| 31 | struct obstack *obstack; |
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| 32 | |
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| 33 | /* First place we start putting data. */ |
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| 34 | tree *first; |
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| 35 | |
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| 36 | /* Number of entries we can have from `first'. |
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| 37 | Right now we are dumb: if we overflow, abort. */ |
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| 38 | int limit; |
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| 39 | }; |
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| 40 | |
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| 41 | struct stack_level *push_stack_level PROTO((struct obstack *, char *, int)); |
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| 42 | struct stack_level *pop_stack_level PROTO((struct stack_level *)); |
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