2 * Copyright (c) 1989 The Regents of the University of California.
5 * This code is derived from software contributed to Berkeley by
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * @(#)defs.h 5.6 (Berkeley) 5/24/93
46 /* Quiet warnings which might bother rpm */
48 #pragma GCC diagnostic ignored "-Wimplicit-function-declaration"
49 #pragma GCC diagnostic ignored "-Wreturn-type"
52 /* machine-dependent definitions */
53 /* the following definitions are for the Tahoe */
54 /* they might have to be changed for other machines */
56 /* MAXCHAR is the largest unsigned character value */
57 /* MAXSHORT is the largest value of a C short */
58 /* MINSHORT is the most negative value of a C short */
59 /* MAXTABLE is the maximum table size */
60 /* BITS_PER_WORD is the number of bits in a C unsigned */
61 /* WORDSIZE computes the number of words needed to */
63 /* BIT returns the value of the n-th bit starting */
64 /* from r (0-indexed) */
65 /* SETBIT sets the n-th bit starting from r */
68 #define MAXSHORT 32767
69 #define MINSHORT -32768
70 #define MAXTABLE 32500
71 #define BITS_PER_WORD 32
72 #define WORDSIZE(n) (((n)+(BITS_PER_WORD-1))/BITS_PER_WORD)
73 #define BIT(r, n) ((((r)[(n)>>5])>>((n)&31))&1)
74 #define SETBIT(r, n) ((r)[(n)>>5]|=((unsigned)1<<((n)&31)))
79 #define NUL '\0' /* the null character */
80 #define NEWLINE '\n' /* line feed */
81 #define SP ' ' /* space */
82 #define BS '\b' /* backspace */
83 #define HT '\t' /* horizontal tab */
84 #define VT '\013' /* vertical tab */
85 #define CR '\r' /* carriage return */
86 #define FF '\f' /* form feed */
87 #define QUOTE '\'' /* single quote */
88 #define DOUBLE_QUOTE '\"' /* double quote */
89 #define BACKSLASH '\\' /* backslash */
92 /* defines for constructing filenames */
94 #define CODE_SUFFIX ".code.c"
95 #define DEFINES_SUFFIX ".tab.h"
96 #define OUTPUT_SUFFIX ".tab.c"
97 #define VERBOSE_SUFFIX ".output"
119 /* the undefined value */
121 #define UNDEFINED (-1)
130 /* character macros */
132 #define IS_IDENT(c) (isalnum(c) || (c) == '_' || (c) == '.' || (c) == '$')
133 #define IS_OCTAL(c) ((c) >= '0' && (c) <= '7')
134 #define NUMERIC_VALUE(c) ((c) - '0')
139 #define ISTOKEN(s) ((s) < start_symbol)
140 #define ISVAR(s) ((s) >= start_symbol)
143 /* storage allocation macros */
145 #define CALLOC(k,n) (calloc((unsigned)(k),(unsigned)(n)))
146 #define FREE(x) (free((char*)(x)))
147 #define MALLOC(n) (malloc((unsigned)(n)))
148 #define NEW(t) ((t*)allocate(sizeof(t)))
149 #define NEW2(n,t) ((t*)allocate((unsigned)((n)*sizeof(t))))
150 #define REALLOC(p,n) (realloc((char*)(p),(unsigned)(n)))
153 /* the structure of a symbol table entry */
155 typedef struct bucket bucket;
170 /* the structure of the LR(0) state machine */
172 typedef struct core core;
178 short accessing_symbol;
184 /* the structure used to record shifts */
186 typedef struct shifts shifts;
196 /* the structure used to store reductions */
198 typedef struct reductions reductions;
201 struct reductions *next;
208 /* the structure used to represent parser actions */
210 typedef struct action action;
223 /* global variables */
234 extern char *action_file_name;
235 extern char *input_file_name;
236 extern char *prolog_file_name;
237 extern char *local_file_name;
238 extern char *verbose_file_name;
240 extern FILE *action_file;
241 extern FILE *input_file;
242 extern FILE *prolog_file;
243 extern FILE *local_file;
244 extern FILE *verbose_file;
254 extern char *line_format;
255 extern char *default_line_format;
257 extern int start_symbol;
258 extern char **symbol_name;
259 extern short *symbol_value;
260 extern short *symbol_prec;
261 extern char *symbol_assoc;
262 extern char **methods;
270 extern short **derives;
271 extern char *nullable;
273 extern bucket *first_symbol;
274 extern bucket *last_symbol;
277 extern core *first_state;
278 extern shifts *first_shift;
279 extern reductions *first_reduction;
280 extern short *accessing_symbol;
281 extern core **state_table;
282 extern shifts **shift_table;
283 extern reductions **reduction_table;
285 extern short *LAruleno;
286 extern short *lookaheads;
287 extern short *goto_map;
288 extern short *from_state;
289 extern short *to_state;
291 extern action **parser;
294 extern short *SRconflicts;
295 extern short *RRconflicts;
296 extern short *defred;
297 extern short *rules_used;
298 extern short nunused;
299 extern short final_state;
301 /* global functions */
303 extern char *allocate();
304 extern bucket *lookup();
305 extern bucket *make_bucket();