xref: /freebsd/contrib/byacc/test/yacc/rename_debug.c (revision ff0ba87247820afbdfdc1b307c803f7923d0e4d3)
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     yynerrs = 0;
204     yyerrflag = 0;
205     yychar = YYEMPTY;
206     yystate = 0;
207 
208 #if YYPURE
209     memset(&yystack, 0, sizeof(yystack));
210 #endif
211 
212     if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
213     yystack.s_mark = yystack.s_base;
214     yystack.l_mark = yystack.l_base;
215     yystate = 0;
216     *yystack.s_mark = 0;
217 
218 yyloop:
219     if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
220     if (yychar < 0)
221     {
222         if ((yychar = YYLEX) < 0) yychar = YYEOF;
223 #if YYDEBUG
224         if (yydebug)
225         {
226             yys = yyname[YYTRANSLATE(yychar)];
227             printf("%sdebug: state %d, reading %d (%s)\n",
228                     YYPREFIX, yystate, yychar, yys);
229         }
230 #endif
231     }
232     if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
233             yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
234     {
235 #if YYDEBUG
236         if (yydebug)
237             printf("%sdebug: state %d, shifting to state %d\n",
238                     YYPREFIX, yystate, yytable[yyn]);
239 #endif
240         if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
241         {
242             goto yyoverflow;
243         }
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]) && (yyn += yychar) >= 0 &&
252             yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
253     {
254         yyn = yytable[yyn];
255         goto yyreduce;
256     }
257     if (yyerrflag) goto yyinrecovery;
258 
259     YYERROR_CALL("syntax error");
260 
261     goto yyerrlab;
262 
263 yyerrlab:
264     ++yynerrs;
265 
266 yyinrecovery:
267     if (yyerrflag < 3)
268     {
269         yyerrflag = 3;
270         for (;;)
271         {
272             if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 &&
273                     yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
274             {
275 #if YYDEBUG
276                 if (yydebug)
277                     printf("%sdebug: state %d, error recovery shifting\
278  to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
279 #endif
280                 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
281                 {
282                     goto yyoverflow;
283                 }
284                 yystate = yytable[yyn];
285                 *++yystack.s_mark = yytable[yyn];
286                 *++yystack.l_mark = yylval;
287                 goto yyloop;
288             }
289             else
290             {
291 #if YYDEBUG
292                 if (yydebug)
293                     printf("%sdebug: error recovery discarding state %d\n",
294                             YYPREFIX, *yystack.s_mark);
295 #endif
296                 if (yystack.s_mark <= yystack.s_base) goto yyabort;
297                 --yystack.s_mark;
298                 --yystack.l_mark;
299             }
300         }
301     }
302     else
303     {
304         if (yychar == YYEOF) goto yyabort;
305 #if YYDEBUG
306         if (yydebug)
307         {
308             yys = yyname[YYTRANSLATE(yychar)];
309             printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
310                     YYPREFIX, yystate, yychar, yys);
311         }
312 #endif
313         yychar = YYEMPTY;
314         goto yyloop;
315     }
316 
317 yyreduce:
318 #if YYDEBUG
319     if (yydebug)
320         printf("%sdebug: state %d, reducing by rule %d (%s)\n",
321                 YYPREFIX, yystate, yyn, yyrule[yyn]);
322 #endif
323     yym = yylen[yyn];
324     if (yym)
325         yyval = yystack.l_mark[1-yym];
326     else
327         memset(&yyval, 0, sizeof yyval);
328     switch (yyn)
329     {
330     }
331     yystack.s_mark -= yym;
332     yystate = *yystack.s_mark;
333     yystack.l_mark -= yym;
334     yym = yylhs[yyn];
335     if (yystate == 0 && yym == 0)
336     {
337 #if YYDEBUG
338         if (yydebug)
339             printf("%sdebug: after reduction, shifting from state 0 to\
340  state %d\n", YYPREFIX, YYFINAL);
341 #endif
342         yystate = YYFINAL;
343         *++yystack.s_mark = YYFINAL;
344         *++yystack.l_mark = yyval;
345         if (yychar < 0)
346         {
347             if ((yychar = YYLEX) < 0) yychar = YYEOF;
348 #if YYDEBUG
349             if (yydebug)
350             {
351                 yys = yyname[YYTRANSLATE(yychar)];
352                 printf("%sdebug: state %d, reading %d (%s)\n",
353                         YYPREFIX, YYFINAL, yychar, yys);
354             }
355 #endif
356         }
357         if (yychar == YYEOF) goto yyaccept;
358         goto yyloop;
359     }
360     if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
361             yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
362         yystate = yytable[yyn];
363     else
364         yystate = yydgoto[yym];
365 #if YYDEBUG
366     if (yydebug)
367         printf("%sdebug: after reduction, shifting from state %d \
368 to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
369 #endif
370     if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
371     {
372         goto yyoverflow;
373     }
374     *++yystack.s_mark = (YYINT) yystate;
375     *++yystack.l_mark = yyval;
376     goto yyloop;
377 
378 yyoverflow:
379     YYERROR_CALL("yacc stack overflow");
380 
381 yyabort:
382     yyfreestack(&yystack);
383     return (1);
384 
385 yyaccept:
386     yyfreestack(&yystack);
387     return (0);
388 }
389