xref: /freebsd/contrib/byacc/test/yacc/rename_debug.c (revision d6b92ffa) 
1 /* original parser id follows */
2 /* yysccsid[] = "@(#)yaccpar	1.9 (Berkeley) 02/21/93" */
3 /* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */
4 
5 #define YYBYACC 1
6 #define YYMAJOR 1
7 #define YYMINOR 9
8 #define YYCHECK "yyyymmdd"
9 
10 #define YYEMPTY        (-1)
11 #define yyclearin      (yychar = YYEMPTY)
12 #define yyerrok        (yyerrflag = 0)
13 #define YYRECOVERING() (yyerrflag != 0)
14 #define YYENOMEM       (-2)
15 #define YYEOF          0
16 #line 17 "rename_debug.c"
17 #include "rename_debug.i"
18 #include "rename_debug.h"
19 typedef int YYINT;
20 static const YYINT yylhs[] = {                           -1,
21     0,
22 };
23 static const YYINT yylen[] = {                            2,
24     1,
25 };
26 static const YYINT yydefred[] = {                         0,
27     1,    0,
28 };
29 static const YYINT yydgoto[] = {                          2,
30 };
31 static const YYINT yysindex[] = {                      -256,
32     0,    0,
33 };
34 static const YYINT yyrindex[] = {                         0,
35     0,    0,
36 };
37 static const YYINT yygindex[] = {                         0,
38 };
39 #define YYTABLESIZE 0
40 static const YYINT yytable[] = {                          1,
41 };
42 static const YYINT yycheck[] = {                        256,
43 };
44 #define YYFINAL 2
45 #ifndef YYDEBUG
46 #define YYDEBUG 1
47 #endif
48 #define YYMAXTOKEN 256
49 #define YYUNDFTOKEN 259
50 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
51 #if YYDEBUG
52 static const char *const yyname[] = {
53 
54 "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,
55 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,
56 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,
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,"illegal-symbol",
61 };
62 static const char *const yyrule[] = {
63 "$accept : S",
64 "S : error",
65 
66 };
67 #endif
68 
69 int      yydebug;
70 int      yynerrs;
71 
72 int      yyerrflag;
73 int      yychar;
74 YYSTYPE  yyval;
75 YYSTYPE  yylval;
76 
77 /* define the initial stack-sizes */
78 #ifdef YYSTACKSIZE
79 #undef YYMAXDEPTH
80 #define YYMAXDEPTH  YYSTACKSIZE
81 #else
82 #ifdef YYMAXDEPTH
83 #define YYSTACKSIZE YYMAXDEPTH
84 #else
85 #define YYSTACKSIZE 10000
86 #define YYMAXDEPTH  10000
87 #endif
88 #endif
89 
90 #define YYINITSTACKSIZE 200
91 
92 typedef struct {
93     unsigned stacksize;
94     YYINT    *s_base;
95     YYINT    *s_mark;
96     YYINT    *s_last;
97     YYSTYPE  *l_base;
98     YYSTYPE  *l_mark;
99 } YYSTACKDATA;
100 /* variables for the parser stack */
101 static YYSTACKDATA yystack;
102 #line 12 "code_debug.y"
103 
104 #include <stdio.h>
105 
106 #ifdef YYBYACC
107 extern int YYLEX_DECL();
108 #endif
109 
110 int
111 main(void)
112 {
113     printf("yyparse() = %d\n", yyparse());
114     return 0;
115 }
116 
117 int
118 yylex(void)
119 {
120     return -1;
121 }
122 
123 static void
124 yyerror(const char* s)
125 {
126     printf("%s\n", s);
127 }
128 #line 130 "rename_debug.c"
129 
130 #if YYDEBUG
131 #include <stdio.h>	/* needed for printf */
132 #endif
133 
134 #include <stdlib.h>	/* needed for malloc, etc */
135 #include <string.h>	/* needed for memset */
136 
137 /* allocate initial stack or double stack size, up to YYMAXDEPTH */
138 static int yygrowstack(YYSTACKDATA *data)
139 {
140     int i;
141     unsigned newsize;
142     YYINT *newss;
143     YYSTYPE *newvs;
144 
145     if ((newsize = data->stacksize) == 0)
146         newsize = YYINITSTACKSIZE;
147     else if (newsize >= YYMAXDEPTH)
148         return YYENOMEM;
149     else if ((newsize *= 2) > YYMAXDEPTH)
150         newsize = YYMAXDEPTH;
151 
152     i = (int) (data->s_mark - data->s_base);
153     newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
154     if (newss == 0)
155         return YYENOMEM;
156 
157     data->s_base = newss;
158     data->s_mark = newss + i;
159 
160     newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
161     if (newvs == 0)
162         return YYENOMEM;
163 
164     data->l_base = newvs;
165     data->l_mark = newvs + i;
166 
167     data->stacksize = newsize;
168     data->s_last = data->s_base + newsize - 1;
169     return 0;
170 }
171 
172 #if YYPURE || defined(YY_NO_LEAKS)
173 static void yyfreestack(YYSTACKDATA *data)
174 {
175     free(data->s_base);
176     free(data->l_base);
177     memset(data, 0, sizeof(*data));
178 }
179 #else
180 #define yyfreestack(data) /* nothing */
181 #endif
182 
183 #define YYABORT  goto yyabort
184 #define YYREJECT goto yyabort
185 #define YYACCEPT goto yyaccept
186 #define YYERROR  goto yyerrlab
187 
188 int
189 YYPARSE_DECL()
190 {
191     int yym, yyn, yystate;
192 #if YYDEBUG
193     const char *yys;
194 
195     if ((yys = getenv("YYDEBUG")) != 0)
196     {
197         yyn = *yys;
198         if (yyn >= '0' && yyn <= '9')
199             yydebug = yyn - '0';
200     }
201 #endif
202 
203     yym = 0;
204     yyn = 0;
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         yychar = YYLEX;
225         if (yychar < 0) yychar = YYEOF;
226 #if YYDEBUG
227         if (yydebug)
228         {
229             if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
230             printf("%sdebug: state %d, reading %d (%s)\n",
231                     YYPREFIX, yystate, yychar, yys);
232         }
233 #endif
234     }
235     if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
236             yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
237     {
238 #if YYDEBUG
239         if (yydebug)
240             printf("%sdebug: state %d, shifting to state %d\n",
241                     YYPREFIX, yystate, yytable[yyn]);
242 #endif
243         if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
244         yystate = yytable[yyn];
245         *++yystack.s_mark = yytable[yyn];
246         *++yystack.l_mark = yylval;
247         yychar = YYEMPTY;
248         if (yyerrflag > 0)  --yyerrflag;
249         goto yyloop;
250     }
251     if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
252             yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
253     {
254         yyn = yytable[yyn];
255         goto yyreduce;
256     }
257     if (yyerrflag != 0) goto yyinrecovery;
258 
259     YYERROR_CALL("syntax error");
260 
261     goto yyerrlab; /* redundant goto avoids 'unused label' warning */
262 yyerrlab:
263     ++yynerrs;
264 
265 yyinrecovery:
266     if (yyerrflag < 3)
267     {
268         yyerrflag = 3;
269         for (;;)
270         {
271             if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
272                     yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
273             {
274 #if YYDEBUG
275                 if (yydebug)
276                     printf("%sdebug: state %d, error recovery shifting\
277  to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
278 #endif
279                 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
280                 yystate = yytable[yyn];
281                 *++yystack.s_mark = yytable[yyn];
282                 *++yystack.l_mark = yylval;
283                 goto yyloop;
284             }
285             else
286             {
287 #if YYDEBUG
288                 if (yydebug)
289                     printf("%sdebug: error recovery discarding state %d\n",
290                             YYPREFIX, *yystack.s_mark);
291 #endif
292                 if (yystack.s_mark <= yystack.s_base) goto yyabort;
293                 --yystack.s_mark;
294                 --yystack.l_mark;
295             }
296         }
297     }
298     else
299     {
300         if (yychar == YYEOF) goto yyabort;
301 #if YYDEBUG
302         if (yydebug)
303         {
304             if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
305             printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
306                     YYPREFIX, yystate, yychar, yys);
307         }
308 #endif
309         yychar = YYEMPTY;
310         goto yyloop;
311     }
312 
313 yyreduce:
314 #if YYDEBUG
315     if (yydebug)
316         printf("%sdebug: state %d, reducing by rule %d (%s)\n",
317                 YYPREFIX, yystate, yyn, yyrule[yyn]);
318 #endif
319     yym = yylen[yyn];
320     if (yym > 0)
321         yyval = yystack.l_mark[1-yym];
322     else
323         memset(&yyval, 0, sizeof yyval);
324 
325     switch (yyn)
326     {
327     }
328     yystack.s_mark -= yym;
329     yystate = *yystack.s_mark;
330     yystack.l_mark -= yym;
331     yym = yylhs[yyn];
332     if (yystate == 0 && yym == 0)
333     {
334 #if YYDEBUG
335         if (yydebug)
336             printf("%sdebug: after reduction, shifting from state 0 to\
337  state %d\n", YYPREFIX, YYFINAL);
338 #endif
339         yystate = YYFINAL;
340         *++yystack.s_mark = YYFINAL;
341         *++yystack.l_mark = yyval;
342         if (yychar < 0)
343         {
344             yychar = YYLEX;
345             if (yychar < 0) yychar = YYEOF;
346 #if YYDEBUG
347             if (yydebug)
348             {
349                 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
350                 printf("%sdebug: state %d, reading %d (%s)\n",
351                         YYPREFIX, YYFINAL, yychar, yys);
352             }
353 #endif
354         }
355         if (yychar == YYEOF) goto yyaccept;
356         goto yyloop;
357     }
358     if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
359             yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
360         yystate = yytable[yyn];
361     else
362         yystate = yydgoto[yym];
363 #if YYDEBUG
364     if (yydebug)
365         printf("%sdebug: after reduction, shifting from state %d \
366 to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
367 #endif
368     if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
369     *++yystack.s_mark = (YYINT) yystate;
370     *++yystack.l_mark = yyval;
371     goto yyloop;
372 
373 yyoverflow:
374     YYERROR_CALL("yacc stack overflow");
375 
376 yyabort:
377     yyfreestack(&yystack);
378     return (1);
379 
380 yyaccept:
381     yyfreestack(&yystack);
382     return (0);
383 }
384