1 |
|
|
/* $OpenBSD: skeleton.c,v 1.39 2015/12/31 23:22:39 guenther Exp $ */ |
2 |
|
|
/* $NetBSD: skeleton.c,v 1.10 1996/03/25 00:36:18 mrg Exp $ */ |
3 |
|
|
|
4 |
|
|
/* |
5 |
|
|
* Copyright (c) 1989 The Regents of the University of California. |
6 |
|
|
* All rights reserved. |
7 |
|
|
* |
8 |
|
|
* This code is derived from software contributed to Berkeley by |
9 |
|
|
* Robert Paul Corbett. |
10 |
|
|
* |
11 |
|
|
* Redistribution and use in source and binary forms, with or without |
12 |
|
|
* modification, are permitted provided that the following conditions |
13 |
|
|
* are met: |
14 |
|
|
* 1. Redistributions of source code must retain the above copyright |
15 |
|
|
* notice, this list of conditions and the following disclaimer. |
16 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright |
17 |
|
|
* notice, this list of conditions and the following disclaimer in the |
18 |
|
|
* documentation and/or other materials provided with the distribution. |
19 |
|
|
* 3. Neither the name of the University nor the names of its contributors |
20 |
|
|
* may be used to endorse or promote products derived from this software |
21 |
|
|
* without specific prior written permission. |
22 |
|
|
* |
23 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
24 |
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
25 |
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
26 |
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
27 |
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
28 |
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
29 |
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
30 |
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
31 |
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
32 |
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
33 |
|
|
* SUCH DAMAGE. |
34 |
|
|
*/ |
35 |
|
|
|
36 |
|
|
#include "defs.h" |
37 |
|
|
|
38 |
|
|
/* The definition of yysccsid in the banner should be replaced with */ |
39 |
|
|
/* a #pragma ident directive if the target C compiler supports */ |
40 |
|
|
/* #pragma ident directives. */ |
41 |
|
|
/* */ |
42 |
|
|
/* If the skeleton is changed, the banner should be changed so that */ |
43 |
|
|
/* the altered version can be easily distinguished from the original. */ |
44 |
|
|
/* */ |
45 |
|
|
/* The #defines included with the banner are there because they are */ |
46 |
|
|
/* useful in subsequent code. The macros #defined in the header or */ |
47 |
|
|
/* the body either are not useful outside of semantic actions or */ |
48 |
|
|
/* are conditional. */ |
49 |
|
|
|
50 |
|
|
char *banner[] = |
51 |
|
|
{ |
52 |
|
|
"#include <stdlib.h>", |
53 |
|
|
"#include <string.h>", |
54 |
|
|
"#define YYBYACC 1", |
55 |
|
|
"#define YYMAJOR 1", |
56 |
|
|
"#define YYMINOR 9", |
57 |
|
|
"#define YYLEX yylex()", |
58 |
|
|
"#define YYEMPTY -1", |
59 |
|
|
"#define yyclearin (yychar=(YYEMPTY))", |
60 |
|
|
"#define yyerrok (yyerrflag=0)", |
61 |
|
|
"#define YYRECOVERING() (yyerrflag!=0)", |
62 |
|
|
NULL |
63 |
|
|
}; |
64 |
|
|
|
65 |
|
|
|
66 |
|
|
char *tables[] = |
67 |
|
|
{ |
68 |
|
|
"extern const short yylhs[];", |
69 |
|
|
"extern const short yylen[];", |
70 |
|
|
"extern const short yydefred[];", |
71 |
|
|
"extern const short yydgoto[];", |
72 |
|
|
"extern const short yysindex[];", |
73 |
|
|
"extern const short yyrindex[];", |
74 |
|
|
"extern const short yygindex[];", |
75 |
|
|
"extern const short yytable[];", |
76 |
|
|
"extern const short yycheck[];", |
77 |
|
|
"#if YYDEBUG", |
78 |
|
|
"extern const char *const yyname[];", |
79 |
|
|
"extern const char *const yyrule[];", |
80 |
|
|
"#endif", |
81 |
|
|
NULL |
82 |
|
|
}; |
83 |
|
|
|
84 |
|
|
|
85 |
|
|
char *header[] = |
86 |
|
|
{ |
87 |
|
|
"#ifdef YYSTACKSIZE", |
88 |
|
|
"#undef YYMAXDEPTH", |
89 |
|
|
"#define YYMAXDEPTH YYSTACKSIZE", |
90 |
|
|
"#else", |
91 |
|
|
"#ifdef YYMAXDEPTH", |
92 |
|
|
"#define YYSTACKSIZE YYMAXDEPTH", |
93 |
|
|
"#else", |
94 |
|
|
"#define YYSTACKSIZE 10000", |
95 |
|
|
"#define YYMAXDEPTH 10000", |
96 |
|
|
"#endif", |
97 |
|
|
"#endif", |
98 |
|
|
"#define YYINITSTACKSIZE 200", |
99 |
|
|
"/* LINTUSED */", |
100 |
|
|
"int yydebug;", |
101 |
|
|
"int yynerrs;", |
102 |
|
|
"int yyerrflag;", |
103 |
|
|
"int yychar;", |
104 |
|
|
"short *yyssp;", |
105 |
|
|
"YYSTYPE *yyvsp;", |
106 |
|
|
"YYSTYPE yyval;", |
107 |
|
|
"YYSTYPE yylval;", |
108 |
|
|
"short *yyss;", |
109 |
|
|
"short *yysslim;", |
110 |
|
|
"YYSTYPE *yyvs;", |
111 |
|
|
"unsigned int yystacksize;", |
112 |
|
|
"int yyparse(void);", |
113 |
|
|
NULL |
114 |
|
|
}; |
115 |
|
|
|
116 |
|
|
|
117 |
|
|
char *body[] = |
118 |
|
|
{ |
119 |
|
|
"/* allocate initial stack or double stack size, up to YYMAXDEPTH */", |
120 |
|
|
"static int yygrowstack(void)", |
121 |
|
|
"{", |
122 |
|
|
" unsigned int newsize;", |
123 |
|
|
" long sslen;", |
124 |
|
|
" short *newss;", |
125 |
|
|
" YYSTYPE *newvs;", |
126 |
|
|
"", |
127 |
|
|
" if ((newsize = yystacksize) == 0)", |
128 |
|
|
" newsize = YYINITSTACKSIZE;", |
129 |
|
|
" else if (newsize >= YYMAXDEPTH)", |
130 |
|
|
" return -1;", |
131 |
|
|
" else if ((newsize *= 2) > YYMAXDEPTH)", |
132 |
|
|
" newsize = YYMAXDEPTH;", |
133 |
|
|
" sslen = yyssp - yyss;", |
134 |
|
|
"#ifdef SIZE_MAX", |
135 |
|
|
"#define YY_SIZE_MAX SIZE_MAX", |
136 |
|
|
"#else", |
137 |
|
|
"#define YY_SIZE_MAX 0xffffffffU", |
138 |
|
|
"#endif", |
139 |
|
|
" if (newsize && YY_SIZE_MAX / newsize < sizeof *newss)", |
140 |
|
|
" goto bail;", |
141 |
|
|
" newss = yyss ? (short *)realloc(yyss, newsize * sizeof *newss) :", |
142 |
|
|
" (short *)malloc(newsize * sizeof *newss); /* overflow check above */", |
143 |
|
|
" if (newss == NULL)", |
144 |
|
|
" goto bail;", |
145 |
|
|
" yyss = newss;", |
146 |
|
|
" yyssp = newss + sslen;", |
147 |
|
|
" if (newsize && YY_SIZE_MAX / newsize < sizeof *newvs)", |
148 |
|
|
" goto bail;", |
149 |
|
|
" newvs = yyvs ? (YYSTYPE *)realloc(yyvs, newsize * sizeof *newvs) :", |
150 |
|
|
" (YYSTYPE *)malloc(newsize * sizeof *newvs); /* overflow check above */", |
151 |
|
|
" if (newvs == NULL)", |
152 |
|
|
" goto bail;", |
153 |
|
|
" yyvs = newvs;", |
154 |
|
|
" yyvsp = newvs + sslen;", |
155 |
|
|
" yystacksize = newsize;", |
156 |
|
|
" yysslim = yyss + newsize - 1;", |
157 |
|
|
" return 0;", |
158 |
|
|
"bail:", |
159 |
|
|
" if (yyss)", |
160 |
|
|
" free(yyss);", |
161 |
|
|
" if (yyvs)", |
162 |
|
|
" free(yyvs);", |
163 |
|
|
" yyss = yyssp = NULL;", |
164 |
|
|
" yyvs = yyvsp = NULL;", |
165 |
|
|
" yystacksize = 0;", |
166 |
|
|
" return -1;", |
167 |
|
|
"}", |
168 |
|
|
"", |
169 |
|
|
"#define YYABORT goto yyabort", |
170 |
|
|
"#define YYREJECT goto yyabort", |
171 |
|
|
"#define YYACCEPT goto yyaccept", |
172 |
|
|
"#define YYERROR goto yyerrlab", |
173 |
|
|
"int", |
174 |
|
|
"yyparse(void)", |
175 |
|
|
"{", |
176 |
|
|
" int yym, yyn, yystate;", |
177 |
|
|
"#if YYDEBUG", |
178 |
|
|
" const char *yys;", |
179 |
|
|
"", |
180 |
|
|
" if ((yys = getenv(\"YYDEBUG\")))", |
181 |
|
|
" {", |
182 |
|
|
" yyn = *yys;", |
183 |
|
|
" if (yyn >= '0' && yyn <= '9')", |
184 |
|
|
" yydebug = yyn - '0';", |
185 |
|
|
" }", |
186 |
|
|
"#endif /* YYDEBUG */", |
187 |
|
|
"", |
188 |
|
|
" yynerrs = 0;", |
189 |
|
|
" yyerrflag = 0;", |
190 |
|
|
" yychar = (-1);", |
191 |
|
|
"", |
192 |
|
|
" if (yyss == NULL && yygrowstack()) goto yyoverflow;", |
193 |
|
|
" yyssp = yyss;", |
194 |
|
|
" yyvsp = yyvs;", |
195 |
|
|
" *yyssp = yystate = 0;", |
196 |
|
|
"", |
197 |
|
|
"yyloop:", |
198 |
|
|
" if ((yyn = yydefred[yystate]) != 0) goto yyreduce;", |
199 |
|
|
" if (yychar < 0)", |
200 |
|
|
" {", |
201 |
|
|
" if ((yychar = yylex()) < 0) yychar = 0;", |
202 |
|
|
"#if YYDEBUG", |
203 |
|
|
" if (yydebug)", |
204 |
|
|
" {", |
205 |
|
|
" yys = 0;", |
206 |
|
|
" if (yychar <= YYMAXTOKEN) yys = yyname[yychar];", |
207 |
|
|
" if (!yys) yys = \"illegal-symbol\";", |
208 |
|
|
" printf(\"%sdebug: state %d, reading %d (%s)\\n\",", |
209 |
|
|
" YYPREFIX, yystate, yychar, yys);", |
210 |
|
|
" }", |
211 |
|
|
"#endif", |
212 |
|
|
" }", |
213 |
|
|
" if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&", |
214 |
|
|
" yyn <= YYTABLESIZE && yycheck[yyn] == yychar)", |
215 |
|
|
" {", |
216 |
|
|
"#if YYDEBUG", |
217 |
|
|
" if (yydebug)", |
218 |
|
|
" printf(\"%sdebug: state %d, shifting to state %d\\n\",", |
219 |
|
|
" YYPREFIX, yystate, yytable[yyn]);", |
220 |
|
|
"#endif", |
221 |
|
|
" if (yyssp >= yysslim && yygrowstack())", |
222 |
|
|
" {", |
223 |
|
|
" goto yyoverflow;", |
224 |
|
|
" }", |
225 |
|
|
" *++yyssp = yystate = yytable[yyn];", |
226 |
|
|
" *++yyvsp = yylval;", |
227 |
|
|
" yychar = (-1);", |
228 |
|
|
" if (yyerrflag > 0) --yyerrflag;", |
229 |
|
|
" goto yyloop;", |
230 |
|
|
" }", |
231 |
|
|
" if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&", |
232 |
|
|
" yyn <= YYTABLESIZE && yycheck[yyn] == yychar)", |
233 |
|
|
" {", |
234 |
|
|
" yyn = yytable[yyn];", |
235 |
|
|
" goto yyreduce;", |
236 |
|
|
" }", |
237 |
|
|
" if (yyerrflag) goto yyinrecovery;", |
238 |
|
|
"#if defined(__GNUC__)", |
239 |
|
|
" goto yynewerror;", |
240 |
|
|
"#endif", |
241 |
|
|
"yynewerror:", |
242 |
|
|
" yyerror(\"syntax error\");", |
243 |
|
|
"#if defined(__GNUC__)", |
244 |
|
|
" goto yyerrlab;", |
245 |
|
|
"#endif", |
246 |
|
|
"yyerrlab:", |
247 |
|
|
" ++yynerrs;", |
248 |
|
|
"yyinrecovery:", |
249 |
|
|
" if (yyerrflag < 3)", |
250 |
|
|
" {", |
251 |
|
|
" yyerrflag = 3;", |
252 |
|
|
" for (;;)", |
253 |
|
|
" {", |
254 |
|
|
" if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 &&", |
255 |
|
|
" yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)", |
256 |
|
|
" {", |
257 |
|
|
"#if YYDEBUG", |
258 |
|
|
" if (yydebug)", |
259 |
|
|
" printf(\"%sdebug: state %d, error recovery shifting\\", |
260 |
|
|
" to state %d\\n\", YYPREFIX, *yyssp, yytable[yyn]);", |
261 |
|
|
"#endif", |
262 |
|
|
" if (yyssp >= yysslim && yygrowstack())", |
263 |
|
|
" {", |
264 |
|
|
" goto yyoverflow;", |
265 |
|
|
" }", |
266 |
|
|
" *++yyssp = yystate = yytable[yyn];", |
267 |
|
|
" *++yyvsp = yylval;", |
268 |
|
|
" goto yyloop;", |
269 |
|
|
" }", |
270 |
|
|
" else", |
271 |
|
|
" {", |
272 |
|
|
"#if YYDEBUG", |
273 |
|
|
" if (yydebug)", |
274 |
|
|
" printf(\"%sdebug: error recovery discarding state %d\ |
275 |
|
|
\\n\",", |
276 |
|
|
" YYPREFIX, *yyssp);", |
277 |
|
|
"#endif", |
278 |
|
|
" if (yyssp <= yyss) goto yyabort;", |
279 |
|
|
" --yyssp;", |
280 |
|
|
" --yyvsp;", |
281 |
|
|
" }", |
282 |
|
|
" }", |
283 |
|
|
" }", |
284 |
|
|
" else", |
285 |
|
|
" {", |
286 |
|
|
" if (yychar == 0) goto yyabort;", |
287 |
|
|
"#if YYDEBUG", |
288 |
|
|
" if (yydebug)", |
289 |
|
|
" {", |
290 |
|
|
" yys = 0;", |
291 |
|
|
" if (yychar <= YYMAXTOKEN) yys = yyname[yychar];", |
292 |
|
|
" if (!yys) yys = \"illegal-symbol\";", |
293 |
|
|
" printf(\"%sdebug: state %d, error recovery discards token %d\ |
294 |
|
|
(%s)\\n\",", |
295 |
|
|
" YYPREFIX, yystate, yychar, yys);", |
296 |
|
|
" }", |
297 |
|
|
"#endif", |
298 |
|
|
" yychar = (-1);", |
299 |
|
|
" goto yyloop;", |
300 |
|
|
" }", |
301 |
|
|
"yyreduce:", |
302 |
|
|
"#if YYDEBUG", |
303 |
|
|
" if (yydebug)", |
304 |
|
|
" printf(\"%sdebug: state %d, reducing by rule %d (%s)\\n\",", |
305 |
|
|
" YYPREFIX, yystate, yyn, yyrule[yyn]);", |
306 |
|
|
"#endif", |
307 |
|
|
" yym = yylen[yyn];", |
308 |
|
|
" if (yym)", |
309 |
|
|
" yyval = yyvsp[1-yym];", |
310 |
|
|
" else", |
311 |
|
|
" memset(&yyval, 0, sizeof yyval);", |
312 |
|
|
" switch (yyn)", |
313 |
|
|
" {", |
314 |
|
|
NULL |
315 |
|
|
}; |
316 |
|
|
|
317 |
|
|
|
318 |
|
|
char *trailer[] = |
319 |
|
|
{ |
320 |
|
|
" }", |
321 |
|
|
" yyssp -= yym;", |
322 |
|
|
" yystate = *yyssp;", |
323 |
|
|
" yyvsp -= yym;", |
324 |
|
|
" yym = yylhs[yyn];", |
325 |
|
|
" if (yystate == 0 && yym == 0)", |
326 |
|
|
" {", |
327 |
|
|
"#if YYDEBUG", |
328 |
|
|
" if (yydebug)", |
329 |
|
|
" printf(\"%sdebug: after reduction, shifting from state 0 to\\", |
330 |
|
|
" state %d\\n\", YYPREFIX, YYFINAL);", |
331 |
|
|
"#endif", |
332 |
|
|
" yystate = YYFINAL;", |
333 |
|
|
" *++yyssp = YYFINAL;", |
334 |
|
|
" *++yyvsp = yyval;", |
335 |
|
|
" if (yychar < 0)", |
336 |
|
|
" {", |
337 |
|
|
" if ((yychar = yylex()) < 0) yychar = 0;", |
338 |
|
|
"#if YYDEBUG", |
339 |
|
|
" if (yydebug)", |
340 |
|
|
" {", |
341 |
|
|
" yys = 0;", |
342 |
|
|
" if (yychar <= YYMAXTOKEN) yys = yyname[yychar];", |
343 |
|
|
" if (!yys) yys = \"illegal-symbol\";", |
344 |
|
|
" printf(\"%sdebug: state %d, reading %d (%s)\\n\",", |
345 |
|
|
" YYPREFIX, YYFINAL, yychar, yys);", |
346 |
|
|
" }", |
347 |
|
|
"#endif", |
348 |
|
|
" }", |
349 |
|
|
" if (yychar == 0) goto yyaccept;", |
350 |
|
|
" goto yyloop;", |
351 |
|
|
" }", |
352 |
|
|
" if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&", |
353 |
|
|
" yyn <= YYTABLESIZE && yycheck[yyn] == yystate)", |
354 |
|
|
" yystate = yytable[yyn];", |
355 |
|
|
" else", |
356 |
|
|
" yystate = yydgoto[yym];", |
357 |
|
|
"#if YYDEBUG", |
358 |
|
|
" if (yydebug)", |
359 |
|
|
" printf(\"%sdebug: after reduction, shifting from state %d \\", |
360 |
|
|
"to state %d\\n\", YYPREFIX, *yyssp, yystate);", |
361 |
|
|
"#endif", |
362 |
|
|
" if (yyssp >= yysslim && yygrowstack())", |
363 |
|
|
" {", |
364 |
|
|
" goto yyoverflow;", |
365 |
|
|
" }", |
366 |
|
|
" *++yyssp = yystate;", |
367 |
|
|
" *++yyvsp = yyval;", |
368 |
|
|
" goto yyloop;", |
369 |
|
|
"yyoverflow:", |
370 |
|
|
" yyerror(\"yacc stack overflow\");", |
371 |
|
|
"yyabort:", |
372 |
|
|
" if (yyss)", |
373 |
|
|
" free(yyss);", |
374 |
|
|
" if (yyvs)", |
375 |
|
|
" free(yyvs);", |
376 |
|
|
" yyss = yyssp = NULL;", |
377 |
|
|
" yyvs = yyvsp = NULL;", |
378 |
|
|
" yystacksize = 0;", |
379 |
|
|
" return (1);", |
380 |
|
|
"yyaccept:", |
381 |
|
|
" if (yyss)", |
382 |
|
|
" free(yyss);", |
383 |
|
|
" if (yyvs)", |
384 |
|
|
" free(yyvs);", |
385 |
|
|
" yyss = yyssp = NULL;", |
386 |
|
|
" yyvs = yyvsp = NULL;", |
387 |
|
|
" yystacksize = 0;", |
388 |
|
|
" return (0);", |
389 |
|
|
"}", |
390 |
|
|
NULL |
391 |
|
|
}; |
392 |
|
|
|
393 |
|
|
|
394 |
|
|
void |
395 |
|
|
write_section(char *section[]) |
396 |
|
84 |
{ |
397 |
|
|
int i; |
398 |
|
|
char *s; |
399 |
|
|
|
400 |
✓✓ |
6363 |
for (i = 0; (s = section[i]); ++i) { |
401 |
|
6279 |
++outline; |
402 |
|
6279 |
fputs(s, code_file); |
403 |
✓✗ |
6279 |
putc('\n', code_file); |
404 |
|
|
} |
405 |
|
84 |
} |