Mercurial > cpython-lru_cache-weakref

annotate Parser/parser.h @ 3044:7e7bb00a0a2e legacy-trunk

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Added functionality: locate CW projects, copy them, empty them and binhex them.
author Jack Jansen <jack.jansen@cwi.nl>
date Thu, 31 Aug 1995 13:47:14 +0000
parents 146890653a57
children 65d2d8e67da3
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1 #ifndef Py_PARSER_H
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2 #define Py_PARSER_H
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3 #ifdef __cplusplus
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4 extern "C" {
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5 #endif
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6
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7 /***********************************************************
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8 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
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9 The Netherlands.
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10
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11 All Rights Reserved
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12
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13 Permission to use, copy, modify, and distribute this software and its
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14 documentation for any purpose and without fee is hereby granted,
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15 provided that the above copyright notice appear in all copies and that
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16 both that copyright notice and this permission notice appear in
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17 supporting documentation, and that the names of Stichting Mathematisch
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18 Centrum or CWI not be used in advertising or publicity pertaining to
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19 distribution of the software without specific, written prior permission.
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20
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21 STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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22 THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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23 FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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24 FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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25 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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26 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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27 OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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28
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29 ******************************************************************/
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30
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31 /* Parser interface */
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32
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33 #define MAXSTACK 500
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35 typedef struct {
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36 int s_state; /* State in current DFA */
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37 dfa *s_dfa; /* Current DFA */
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38 struct _node *s_parent; /* Where to add next node */
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39 } stackentry;
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40
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41 typedef struct {
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42 stackentry *s_top; /* Top entry */
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43 stackentry s_base[MAXSTACK];/* Array of stack entries */
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44 /* NB The stack grows down */
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45 } stack;
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46
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47 typedef struct {
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48 stack p_stack; /* Stack of parser states */
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49 grammar *p_grammar; /* Grammar to use */
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50 node *p_tree; /* Top of parse tree */
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51 } parser_state;
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52
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53 parser_state *newparser PROTO((grammar *g, int start));
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54 void delparser PROTO((parser_state *ps));
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55 int addtoken PROTO((parser_state *ps, int type, char *str, int lineno));
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56 void addaccelerators PROTO((grammar *g));
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57
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58 #ifdef __cplusplus
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59 }
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60 #endif
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61 #endif /* !Py_PARSER_H */