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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