xref: /minix3/external/bsd/byacc/dist/test/yacc/rename_debug.c (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1 /*	$NetBSD: rename_debug.c,v 1.1.1.1 2015/01/03 22:58:23 christos Exp $	*/
2 
3 /* original parser id follows */
4 /* yysccsid[] = "@(#)yaccpar	1.9 (Berkeley) 02/21/93" */
5 /* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */
6 
7 #define YYBYACC 1
8 #define YYMAJOR 1
9 #define YYMINOR 9
10 #define YYCHECK "yyyymmdd"
11 
12 #define YYEMPTY        (-1)
13 #define yyclearin      (yychar = YYEMPTY)
14 #define yyerrok        (yyerrflag = 0)
15 #define YYRECOVERING() (yyerrflag != 0)
16 #define YYENOMEM       (-2)
17 #define YYEOF          0
18 #line 17 "rename_debug.c"
19 #include "rename_debug.i"
20 #include "rename_debug.h"
21 typedef short YYINT;
22 static const YYINT yylhs[] = {                           -1,
23     0,
24 };
25 static const YYINT yylen[] = {                            2,
26     1,
27 };
28 static const YYINT yydefred[] = {                         0,
29     1,    0,
30 };
31 static const YYINT yydgoto[] = {                          2,
32 };
33 static const YYINT yysindex[] = {                      -256,
34     0,    0,
35 };
36 static const YYINT yyrindex[] = {                         0,
37     0,    0,
38 };
39 static const YYINT yygindex[] = {                         0,
40 };
41 #define YYTABLESIZE 0
42 static const YYINT yytable[] = {                          1,
43 };
44 static const YYINT yycheck[] = {                        256,
45 };
46 #define YYFINAL 2
47 #ifndef YYDEBUG
48 #define YYDEBUG 1
49 #endif
50 #define YYMAXTOKEN 256
51 #define YYUNDFTOKEN 259
52 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
53 #if YYDEBUG
54 static const char *const yyname[] = {
55 
56 "end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
57 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
58 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
59 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
60 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
61 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
62 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"illegal-symbol",
63 };
64 static const char *const yyrule[] = {
65 "$accept : S",
66 "S : error",
67 
68 };
69 #endif
70 
71 int      yydebug;
72 int      yynerrs;
73 
74 int      yyerrflag;
75 int      yychar;
76 YYSTYPE  yyval;
77 YYSTYPE  yylval;
78 
79 /* define the initial stack-sizes */
80 #ifdef YYSTACKSIZE
81 #undef YYMAXDEPTH
82 #define YYMAXDEPTH  YYSTACKSIZE
83 #else
84 #ifdef YYMAXDEPTH
85 #define YYSTACKSIZE YYMAXDEPTH
86 #else
87 #define YYSTACKSIZE 10000
88 #define YYMAXDEPTH  10000
89 #endif
90 #endif
91 
92 #define YYINITSTACKSIZE 200
93 
94 typedef struct {
95     unsigned stacksize;
96     YYINT    *s_base;
97     YYINT    *s_mark;
98     YYINT    *s_last;
99     YYSTYPE  *l_base;
100     YYSTYPE  *l_mark;
101 } YYSTACKDATA;
102 /* variables for the parser stack */
103 static YYSTACKDATA yystack;
104 #line 12 "code_debug.y"
105 
106 #include <stdio.h>
107 
108 #ifdef YYBYACC
109 extern int YYLEX_DECL();
110 #endif
111 
112 int
main(void)113 main(void)
114 {
115     printf("yyparse() = %d\n", yyparse());
116     return 0;
117 }
118 
119 int
yylex(void)120 yylex(void)
121 {
122     return -1;
123 }
124 
125 static void
yyerror(const char * s)126 yyerror(const char* s)
127 {
128     printf("%s\n", s);
129 }
130 #line 130 "rename_debug.c"
131 
132 #if YYDEBUG
133 #include <stdio.h>		/* needed for printf */
134 #endif
135 
136 #include <stdlib.h>	/* needed for malloc, etc */
137 #include <string.h>	/* needed for memset */
138 
139 /* allocate initial stack or double stack size, up to YYMAXDEPTH */
yygrowstack(YYSTACKDATA * data)140 static int yygrowstack(YYSTACKDATA *data)
141 {
142     int i;
143     unsigned newsize;
144     YYINT *newss;
145     YYSTYPE *newvs;
146 
147     if ((newsize = data->stacksize) == 0)
148         newsize = YYINITSTACKSIZE;
149     else if (newsize >= YYMAXDEPTH)
150         return YYENOMEM;
151     else if ((newsize *= 2) > YYMAXDEPTH)
152         newsize = YYMAXDEPTH;
153 
154     i = (int) (data->s_mark - data->s_base);
155     newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
156     if (newss == 0)
157         return YYENOMEM;
158 
159     data->s_base = newss;
160     data->s_mark = newss + i;
161 
162     newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
163     if (newvs == 0)
164         return YYENOMEM;
165 
166     data->l_base = newvs;
167     data->l_mark = newvs + i;
168 
169     data->stacksize = newsize;
170     data->s_last = data->s_base + newsize - 1;
171     return 0;
172 }
173 
174 #if YYPURE || defined(YY_NO_LEAKS)
yyfreestack(YYSTACKDATA * data)175 static void yyfreestack(YYSTACKDATA *data)
176 {
177     free(data->s_base);
178     free(data->l_base);
179     memset(data, 0, sizeof(*data));
180 }
181 #else
182 #define yyfreestack(data) /* nothing */
183 #endif
184 
185 #define YYABORT  goto yyabort
186 #define YYREJECT goto yyabort
187 #define YYACCEPT goto yyaccept
188 #define YYERROR  goto yyerrlab
189 
190 int
YYPARSE_DECL()191 YYPARSE_DECL()
192 {
193     int yym, yyn, yystate;
194 #if YYDEBUG
195     const char *yys;
196 
197     if ((yys = getenv("YYDEBUG")) != 0)
198     {
199         yyn = *yys;
200         if (yyn >= '0' && yyn <= '9')
201             yydebug = yyn - '0';
202     }
203 #endif
204 
205     yynerrs = 0;
206     yyerrflag = 0;
207     yychar = YYEMPTY;
208     yystate = 0;
209 
210 #if YYPURE
211     memset(&yystack, 0, sizeof(yystack));
212 #endif
213 
214     if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
215     yystack.s_mark = yystack.s_base;
216     yystack.l_mark = yystack.l_base;
217     yystate = 0;
218     *yystack.s_mark = 0;
219 
220 yyloop:
221     if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
222     if (yychar < 0)
223     {
224         if ((yychar = YYLEX) < 0) yychar = YYEOF;
225 #if YYDEBUG
226         if (yydebug)
227         {
228             yys = yyname[YYTRANSLATE(yychar)];
229             printf("%sdebug: state %d, reading %d (%s)\n",
230                     YYPREFIX, yystate, yychar, yys);
231         }
232 #endif
233     }
234     if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
235             yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
236     {
237 #if YYDEBUG
238         if (yydebug)
239             printf("%sdebug: state %d, shifting to state %d\n",
240                     YYPREFIX, yystate, yytable[yyn]);
241 #endif
242         if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
243         {
244             goto yyoverflow;
245         }
246         yystate = yytable[yyn];
247         *++yystack.s_mark = yytable[yyn];
248         *++yystack.l_mark = yylval;
249         yychar = YYEMPTY;
250         if (yyerrflag > 0)  --yyerrflag;
251         goto yyloop;
252     }
253     if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
254             yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
255     {
256         yyn = yytable[yyn];
257         goto yyreduce;
258     }
259     if (yyerrflag) goto yyinrecovery;
260 
261     YYERROR_CALL("syntax error");
262 
263     goto yyerrlab;
264 
265 yyerrlab:
266     ++yynerrs;
267 
268 yyinrecovery:
269     if (yyerrflag < 3)
270     {
271         yyerrflag = 3;
272         for (;;)
273         {
274             if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 &&
275                     yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
276             {
277 #if YYDEBUG
278                 if (yydebug)
279                     printf("%sdebug: state %d, error recovery shifting\
280  to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
281 #endif
282                 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
283                 {
284                     goto yyoverflow;
285                 }
286                 yystate = yytable[yyn];
287                 *++yystack.s_mark = yytable[yyn];
288                 *++yystack.l_mark = yylval;
289                 goto yyloop;
290             }
291             else
292             {
293 #if YYDEBUG
294                 if (yydebug)
295                     printf("%sdebug: error recovery discarding state %d\n",
296                             YYPREFIX, *yystack.s_mark);
297 #endif
298                 if (yystack.s_mark <= yystack.s_base) goto yyabort;
299                 --yystack.s_mark;
300                 --yystack.l_mark;
301             }
302         }
303     }
304     else
305     {
306         if (yychar == YYEOF) goto yyabort;
307 #if YYDEBUG
308         if (yydebug)
309         {
310             yys = yyname[YYTRANSLATE(yychar)];
311             printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
312                     YYPREFIX, yystate, yychar, yys);
313         }
314 #endif
315         yychar = YYEMPTY;
316         goto yyloop;
317     }
318 
319 yyreduce:
320 #if YYDEBUG
321     if (yydebug)
322         printf("%sdebug: state %d, reducing by rule %d (%s)\n",
323                 YYPREFIX, yystate, yyn, yyrule[yyn]);
324 #endif
325     yym = yylen[yyn];
326     if (yym)
327         yyval = yystack.l_mark[1-yym];
328     else
329         memset(&yyval, 0, sizeof yyval);
330     switch (yyn)
331     {
332     }
333     yystack.s_mark -= yym;
334     yystate = *yystack.s_mark;
335     yystack.l_mark -= yym;
336     yym = yylhs[yyn];
337     if (yystate == 0 && yym == 0)
338     {
339 #if YYDEBUG
340         if (yydebug)
341             printf("%sdebug: after reduction, shifting from state 0 to\
342  state %d\n", YYPREFIX, YYFINAL);
343 #endif
344         yystate = YYFINAL;
345         *++yystack.s_mark = YYFINAL;
346         *++yystack.l_mark = yyval;
347         if (yychar < 0)
348         {
349             if ((yychar = YYLEX) < 0) yychar = YYEOF;
350 #if YYDEBUG
351             if (yydebug)
352             {
353                 yys = yyname[YYTRANSLATE(yychar)];
354                 printf("%sdebug: state %d, reading %d (%s)\n",
355                         YYPREFIX, YYFINAL, yychar, yys);
356             }
357 #endif
358         }
359         if (yychar == YYEOF) goto yyaccept;
360         goto yyloop;
361     }
362     if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
363             yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
364         yystate = yytable[yyn];
365     else
366         yystate = yydgoto[yym];
367 #if YYDEBUG
368     if (yydebug)
369         printf("%sdebug: after reduction, shifting from state %d \
370 to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
371 #endif
372     if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
373     {
374         goto yyoverflow;
375     }
376     *++yystack.s_mark = (YYINT) yystate;
377     *++yystack.l_mark = yyval;
378     goto yyloop;
379 
380 yyoverflow:
381     YYERROR_CALL("yacc stack overflow");
382 
383 yyabort:
384     yyfreestack(&yystack);
385     return (1);
386 
387 yyaccept:
388     yyfreestack(&yystack);
389     return (0);
390 }
391