xref: /freebsd/contrib/byacc/test/yacc/rename_debug.c (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145)
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 2
7 #define YYMINOR 0
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 #if YYDEBUG
70 int      yydebug;
71 #endif
72 
73 int      yyerrflag;
74 int      yychar;
75 YYSTYPE  yyval;
76 YYSTYPE  yylval;
77 int      yynerrs;
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
113 main(void)
114 {
115     printf("yyparse() = %d\n", yyparse());
116     return 0;
117 }
118 
119 int
120 yylex(void)
121 {
122     return -1;
123 }
124 
125 static void
126 yyerror(const char* s)
127 {
128     printf("%s\n", s);
129 }
130 #line 132 "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 */
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 == NULL)
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 == NULL)
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)
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
191 YYPARSE_DECL()
192 {
193     int yym, yyn, yystate;
194 #if YYDEBUG
195     const char *yys;
196 
197     if ((yys = getenv("YYDEBUG")) != NULL)
198     {
199         yyn = *yys;
200         if (yyn >= '0' && yyn <= '9')
201             yydebug = yyn - '0';
202     }
203 #endif
204 
205     /* yym is set below */
206     /* yyn is set below */
207     yynerrs = 0;
208     yyerrflag = 0;
209     yychar = YYEMPTY;
210     yystate = 0;
211 
212 #if YYPURE
213     memset(&yystack, 0, sizeof(yystack));
214 #endif
215 
216     if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
217     yystack.s_mark = yystack.s_base;
218     yystack.l_mark = yystack.l_base;
219     yystate = 0;
220     *yystack.s_mark = 0;
221 
222 yyloop:
223     if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
224     if (yychar < 0)
225     {
226         yychar = YYLEX;
227         if (yychar < 0) yychar = YYEOF;
228 #if YYDEBUG
229         if (yydebug)
230         {
231             if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
232             printf("%sdebug: state %d, reading %d (%s)\n",
233                     YYPREFIX, yystate, yychar, yys);
234         }
235 #endif
236     }
237     if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
238             yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
239     {
240 #if YYDEBUG
241         if (yydebug)
242             printf("%sdebug: state %d, shifting to state %d\n",
243                     YYPREFIX, yystate, yytable[yyn]);
244 #endif
245         if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
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]) != 0) && (yyn += yychar) >= 0 &&
254             yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
255     {
256         yyn = yytable[yyn];
257         goto yyreduce;
258     }
259     if (yyerrflag != 0) goto yyinrecovery;
260 
261     YYERROR_CALL("syntax error");
262 
263     goto yyerrlab; /* redundant goto avoids 'unused label' warning */
264 yyerrlab:
265     ++yynerrs;
266 
267 yyinrecovery:
268     if (yyerrflag < 3)
269     {
270         yyerrflag = 3;
271         for (;;)
272         {
273             if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
274                     yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
275             {
276 #if YYDEBUG
277                 if (yydebug)
278                     printf("%sdebug: state %d, error recovery shifting\
279  to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
280 #endif
281                 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
282                 yystate = yytable[yyn];
283                 *++yystack.s_mark = yytable[yyn];
284                 *++yystack.l_mark = yylval;
285                 goto yyloop;
286             }
287             else
288             {
289 #if YYDEBUG
290                 if (yydebug)
291                     printf("%sdebug: error recovery discarding state %d\n",
292                             YYPREFIX, *yystack.s_mark);
293 #endif
294                 if (yystack.s_mark <= yystack.s_base) goto yyabort;
295                 --yystack.s_mark;
296                 --yystack.l_mark;
297             }
298         }
299     }
300     else
301     {
302         if (yychar == YYEOF) goto yyabort;
303 #if YYDEBUG
304         if (yydebug)
305         {
306             if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
307             printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
308                     YYPREFIX, yystate, yychar, yys);
309         }
310 #endif
311         yychar = YYEMPTY;
312         goto yyloop;
313     }
314 
315 yyreduce:
316 #if YYDEBUG
317     if (yydebug)
318         printf("%sdebug: state %d, reducing by rule %d (%s)\n",
319                 YYPREFIX, yystate, yyn, yyrule[yyn]);
320 #endif
321     yym = yylen[yyn];
322     if (yym > 0)
323         yyval = yystack.l_mark[1-yym];
324     else
325         memset(&yyval, 0, sizeof yyval);
326 
327     switch (yyn)
328     {
329     }
330     yystack.s_mark -= yym;
331     yystate = *yystack.s_mark;
332     yystack.l_mark -= yym;
333     yym = yylhs[yyn];
334     if (yystate == 0 && yym == 0)
335     {
336 #if YYDEBUG
337         if (yydebug)
338             printf("%sdebug: after reduction, shifting from state 0 to\
339  state %d\n", YYPREFIX, YYFINAL);
340 #endif
341         yystate = YYFINAL;
342         *++yystack.s_mark = YYFINAL;
343         *++yystack.l_mark = yyval;
344         if (yychar < 0)
345         {
346             yychar = YYLEX;
347             if (yychar < 0) yychar = YYEOF;
348 #if YYDEBUG
349             if (yydebug)
350             {
351                 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
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]) != 0) && (yyn += yystate) >= 0 &&
361             yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) 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) goto yyoverflow;
371     *++yystack.s_mark = (YYINT) yystate;
372     *++yystack.l_mark = yyval;
373     goto yyloop;
374 
375 yyoverflow:
376     YYERROR_CALL("yacc stack overflow");
377 
378 yyabort:
379     yyfreestack(&yystack);
380     return (1);
381 
382 yyaccept:
383     yyfreestack(&yystack);
384     return (0);
385 }
386