xref: /freebsd/contrib/byacc/test/btyacc/calc3.tab.c (revision 9ecd54f24fe9fa373e07c9fd7c052deb2188f545)
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 #undef YYBTYACC
17 #define YYBTYACC 0
18 #define YYDEBUGSTR YYPREFIX "debug"
19 
20 #ifndef yyparse
21 #define yyparse    calc3_parse
22 #endif /* yyparse */
23 
24 #ifndef yylex
25 #define yylex      calc3_lex
26 #endif /* yylex */
27 
28 #ifndef yyerror
29 #define yyerror    calc3_error
30 #endif /* yyerror */
31 
32 #ifndef yychar
33 #define yychar     calc3_char
34 #endif /* yychar */
35 
36 #ifndef yyval
37 #define yyval      calc3_val
38 #endif /* yyval */
39 
40 #ifndef yylval
41 #define yylval     calc3_lval
42 #endif /* yylval */
43 
44 #ifndef yydebug
45 #define yydebug    calc3_debug
46 #endif /* yydebug */
47 
48 #ifndef yynerrs
49 #define yynerrs    calc3_nerrs
50 #endif /* yynerrs */
51 
52 #ifndef yyerrflag
53 #define yyerrflag  calc3_errflag
54 #endif /* yyerrflag */
55 
56 #ifndef yylhs
57 #define yylhs      calc3_lhs
58 #endif /* yylhs */
59 
60 #ifndef yylen
61 #define yylen      calc3_len
62 #endif /* yylen */
63 
64 #ifndef yydefred
65 #define yydefred   calc3_defred
66 #endif /* yydefred */
67 
68 #ifndef yystos
69 #define yystos     calc3_stos
70 #endif /* yystos */
71 
72 #ifndef yydgoto
73 #define yydgoto    calc3_dgoto
74 #endif /* yydgoto */
75 
76 #ifndef yysindex
77 #define yysindex   calc3_sindex
78 #endif /* yysindex */
79 
80 #ifndef yyrindex
81 #define yyrindex   calc3_rindex
82 #endif /* yyrindex */
83 
84 #ifndef yygindex
85 #define yygindex   calc3_gindex
86 #endif /* yygindex */
87 
88 #ifndef yytable
89 #define yytable    calc3_table
90 #endif /* yytable */
91 
92 #ifndef yycheck
93 #define yycheck    calc3_check
94 #endif /* yycheck */
95 
96 #ifndef yyname
97 #define yyname     calc3_name
98 #endif /* yyname */
99 
100 #ifndef yyrule
101 #define yyrule     calc3_rule
102 #endif /* yyrule */
103 
104 #if YYBTYACC
105 
106 #ifndef yycindex
107 #define yycindex   calc3_cindex
108 #endif /* yycindex */
109 
110 #ifndef yyctable
111 #define yyctable   calc3_ctable
112 #endif /* yyctable */
113 
114 #endif /* YYBTYACC */
115 
116 #define YYPREFIX "calc3_"
117 
118 #define YYPURE 1
119 
120 #line 9 "calc3.y"
121 # include <stdio.h>
122 # include <ctype.h>
123 
124 #ifdef YYBISON
125 #define YYSTYPE int
126 #define YYLEX_PARAM base
127 #define YYLEX_DECL() yylex(YYSTYPE *yylval, int *YYLEX_PARAM)
128 #define YYERROR_DECL() yyerror(int regs[26], int *base, const char *s)
129 int YYLEX_DECL();
130 static void YYERROR_DECL();
131 #endif
132 
133 #line 134 "calc3.tab.c"
134 
135 #if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
136 /* Default: YYSTYPE is the semantic value type. */
137 typedef int YYSTYPE;
138 # define YYSTYPE_IS_DECLARED 1
139 #endif
140 
141 /* compatibility with bison */
142 #ifdef YYPARSE_PARAM
143 /* compatibility with FreeBSD */
144 # ifdef YYPARSE_PARAM_TYPE
145 #  define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
146 # else
147 #  define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
148 # endif
149 #else
150 # define YYPARSE_DECL() yyparse(int  regs[26], int * base)
151 #endif
152 
153 /* Parameters sent to lex. */
154 #ifdef YYLEX_PARAM
155 # ifdef YYLEX_PARAM_TYPE
156 #  define YYLEX_DECL() yylex(YYSTYPE *yylval, YYLEX_PARAM_TYPE YYLEX_PARAM)
157 # else
158 #  define YYLEX_DECL() yylex(YYSTYPE *yylval, void * YYLEX_PARAM)
159 # endif
160 # define YYLEX yylex(&yylval, YYLEX_PARAM)
161 #else
162 # define YYLEX_DECL() yylex(YYSTYPE *yylval, int * base)
163 # define YYLEX yylex(&yylval, base)
164 #endif
165 
166 /* Parameters sent to yyerror. */
167 #ifndef YYERROR_DECL
168 #define YYERROR_DECL() yyerror(int  regs[26], int * base, const char *s)
169 #endif
170 #ifndef YYERROR_CALL
171 #define YYERROR_CALL(msg) yyerror(regs, base, msg)
172 #endif
173 
174 extern int YYPARSE_DECL();
175 
176 #define DIGIT 257
177 #define LETTER 258
178 #define UMINUS 259
179 #define YYERRCODE 256
180 typedef short YYINT;
181 static const YYINT calc3_lhs[] = {                       -1,
182     0,    0,    0,    1,    1,    2,    2,    2,    2,    2,
183     2,    2,    2,    2,    2,    2,    3,    3,
184 };
185 static const YYINT calc3_len[] = {                        2,
186     0,    3,    3,    1,    3,    3,    3,    3,    3,    3,
187     3,    3,    3,    2,    1,    1,    1,    2,
188 };
189 static const YYINT calc3_defred[] = {                     1,
190     0,    0,   17,    0,    0,    0,    0,    0,    0,    3,
191     0,   15,   14,    0,    2,    0,    0,    0,    0,    0,
192     0,    0,   18,    0,    6,    0,    0,    0,    0,    9,
193    10,   11,
194 };
195 static const YYINT calc3_stos[] = {                       0,
196   261,  256,  257,  258,   45,   40,  262,  263,  264,   10,
197    61,  258,  263,  263,   10,  124,   38,   43,   45,   42,
198    47,   37,  257,  263,   41,  263,  263,  263,  263,  263,
199   263,  263,
200 };
201 static const YYINT calc3_dgoto[] = {                      1,
202     7,    8,    9,
203 };
204 static const YYINT calc3_sindex[] = {                     0,
205   -40,   -7,    0,  -55,  -38,  -38,    1,  -29, -247,    0,
206   -38,    0,    0,   22,    0,  -38,  -38,  -38,  -38,  -38,
207   -38,  -38,    0,  -29,    0,   51,   60,  -20,  -20,    0,
208     0,    0,
209 };
210 static const YYINT calc3_rindex[] = {                     0,
211     0,    0,    0,    2,    0,    0,    0,    9,   -9,    0,
212     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
213     0,    0,    0,   10,    0,   -6,   14,    5,   13,    0,
214     0,    0,
215 };
216 #if YYBTYACC
217 static const YYINT calc3_cindex[] = {                     0,
218     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
219     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
220     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
221     0,    0,
222 };
223 #endif
224 static const YYINT calc3_gindex[] = {                     0,
225     0,   65,    0,
226 };
227 #define YYTABLESIZE 220
228 static const YYINT calc3_table[] = {                      6,
229    16,    6,   10,   13,    5,   11,    5,   22,   17,   23,
230    15,   15,   20,   18,    7,   19,   22,   21,    4,    5,
231     0,   20,    8,   12,    0,    0,   21,   16,   16,    0,
232     0,   16,   16,   16,   13,   16,    0,   16,   15,   15,
233     0,    0,    7,   15,   15,    7,   15,    7,   15,    7,
234     8,   12,    0,    8,   12,    8,    0,    8,   22,   17,
235     0,    0,   25,   20,   18,    0,   19,    0,   21,   13,
236    14,    0,    0,    0,    0,   24,    0,    0,    0,    0,
237    26,   27,   28,   29,   30,   31,   32,   22,   17,    0,
238     0,    0,   20,   18,   16,   19,   22,   21,    0,    0,
239     0,   20,   18,    0,   19,    0,   21,    0,    0,    0,
240     0,    0,    0,    0,   16,    0,    0,   13,    0,    0,
241     0,    0,    0,    0,    0,   15,    0,    0,    7,    0,
242     0,    0,    0,    0,    0,    0,    8,   12,    0,    0,
243     0,    0,    0,    0,    0,   16,    0,    0,    0,    0,
244     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
245     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
246     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
247     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
248     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
249     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
250     0,    0,    0,    0,    0,    2,    3,    4,    3,   12,
251 };
252 static const YYINT calc3_check[] = {                     40,
253    10,   40,   10,   10,   45,   61,   45,   37,   38,  257,
254    10,   10,   42,   43,   10,   45,   37,   47,   10,   10,
255    -1,   42,   10,   10,   -1,   -1,   47,   37,   38,   -1,
256    -1,   41,   42,   43,   41,   45,   -1,   47,   37,   38,
257    -1,   -1,   38,   42,   43,   41,   45,   43,   47,   45,
258    38,   38,   -1,   41,   41,   43,   -1,   45,   37,   38,
259    -1,   -1,   41,   42,   43,   -1,   45,   -1,   47,    5,
260     6,   -1,   -1,   -1,   -1,   11,   -1,   -1,   -1,   -1,
261    16,   17,   18,   19,   20,   21,   22,   37,   38,   -1,
262    -1,   -1,   42,   43,  124,   45,   37,   47,   -1,   -1,
263    -1,   42,   43,   -1,   45,   -1,   47,   -1,   -1,   -1,
264    -1,   -1,   -1,   -1,  124,   -1,   -1,  124,   -1,   -1,
265    -1,   -1,   -1,   -1,   -1,  124,   -1,   -1,  124,   -1,
266    -1,   -1,   -1,   -1,   -1,   -1,  124,  124,   -1,   -1,
267    -1,   -1,   -1,   -1,   -1,  124,   -1,   -1,   -1,   -1,
268    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
269    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
270    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
271    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
272    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
273    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
274    -1,   -1,   -1,   -1,   -1,  256,  257,  258,  257,  258,
275 };
276 #define YYFINAL 1
277 #ifndef YYDEBUG
278 #define YYDEBUG 0
279 #endif
280 #define YYMAXTOKEN 259
281 #define YYUNDFTOKEN 265
282 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
283 #if YYDEBUG
284 static const char *const calc3_name[] = {
285 
286 "$end",0,0,0,0,0,0,0,0,0,"'\\n'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
287 0,0,0,"'%'","'&'",0,"'('","')'","'*'","'+'",0,"'-'",0,"'/'",0,0,0,0,0,0,0,0,0,0,
288 0,0,0,"'='",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
289 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'|'",0,0,0,0,0,0,0,0,0,
290 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
291 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
292 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
293 0,0,"error","DIGIT","LETTER","UMINUS","$accept","list","stat","expr","number",
294 "illegal-symbol",
295 };
296 static const char *const calc3_rule[] = {
297 "$accept : list",
298 "list :",
299 "list : list stat '\\n'",
300 "list : list error '\\n'",
301 "stat : expr",
302 "stat : LETTER '=' expr",
303 "expr : '(' expr ')'",
304 "expr : expr '+' expr",
305 "expr : expr '-' expr",
306 "expr : expr '*' expr",
307 "expr : expr '/' expr",
308 "expr : expr '%' expr",
309 "expr : expr '&' expr",
310 "expr : expr '|' expr",
311 "expr : '-' expr",
312 "expr : LETTER",
313 "expr : number",
314 "number : DIGIT",
315 "number : number DIGIT",
316 
317 };
318 #endif
319 
320 int      yydebug;
321 int      yynerrs;
322 
323 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
324 #ifndef YYLLOC_DEFAULT
325 #define YYLLOC_DEFAULT(loc, rhs, n) \
326 do \
327 { \
328     if (n == 0) \
329     { \
330         (loc).first_line   = ((rhs)[-1]).last_line; \
331         (loc).first_column = ((rhs)[-1]).last_column; \
332         (loc).last_line    = ((rhs)[-1]).last_line; \
333         (loc).last_column  = ((rhs)[-1]).last_column; \
334     } \
335     else \
336     { \
337         (loc).first_line   = ((rhs)[ 0 ]).first_line; \
338         (loc).first_column = ((rhs)[ 0 ]).first_column; \
339         (loc).last_line    = ((rhs)[n-1]).last_line; \
340         (loc).last_column  = ((rhs)[n-1]).last_column; \
341     } \
342 } while (0)
343 #endif /* YYLLOC_DEFAULT */
344 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
345 #if YYBTYACC
346 
347 #ifndef YYLVQUEUEGROWTH
348 #define YYLVQUEUEGROWTH 32
349 #endif
350 #endif /* YYBTYACC */
351 
352 /* define the initial stack-sizes */
353 #ifdef YYSTACKSIZE
354 #undef YYMAXDEPTH
355 #define YYMAXDEPTH  YYSTACKSIZE
356 #else
357 #ifdef YYMAXDEPTH
358 #define YYSTACKSIZE YYMAXDEPTH
359 #else
360 #define YYSTACKSIZE 10000
361 #define YYMAXDEPTH  10000
362 #endif
363 #endif
364 
365 #ifndef YYINITSTACKSIZE
366 #define YYINITSTACKSIZE 200
367 #endif
368 
369 typedef struct {
370     unsigned stacksize;
371     short    *s_base;
372     short    *s_mark;
373     short    *s_last;
374     YYSTYPE  *l_base;
375     YYSTYPE  *l_mark;
376 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
377     YYLTYPE  *p_base;
378     YYLTYPE  *p_mark;
379 #endif
380 } YYSTACKDATA;
381 #if YYBTYACC
382 
383 struct YYParseState_s
384 {
385     struct YYParseState_s *save;    /* Previously saved parser state */
386     YYSTACKDATA            yystack; /* saved parser stack */
387     int                    state;   /* saved parser state */
388     int                    errflag; /* saved error recovery status */
389     int                    lexeme;  /* saved index of the conflict lexeme in the lexical queue */
390     YYINT                  ctry;    /* saved index in yyctable[] for this conflict */
391 };
392 typedef struct YYParseState_s YYParseState;
393 #endif /* YYBTYACC */
394 #line 76 "calc3.y"
395  /* start of programs */
396 
397 #ifdef YYBYACC
398 extern int YYLEX_DECL();
399 #endif
400 
401 int
402 main (void)
403 {
404     int regs[26];
405     int base = 10;
406 
407     while(!feof(stdin)) {
408 	yyparse(regs, &base);
409     }
410     return 0;
411 }
412 
413 #define UNUSED(x) ((void)(x))
414 
415 static void
416 YYERROR_DECL()
417 {
418     UNUSED(regs); /* %parse-param regs is not actually used here */
419     UNUSED(base); /* %parse-param base is not actually used here */
420     fprintf(stderr, "%s\n", s);
421 }
422 
423 int
424 YYLEX_DECL()
425 {
426 	/* lexical analysis routine */
427 	/* returns LETTER for a lower case letter, yylval = 0 through 25 */
428 	/* return DIGIT for a digit, yylval = 0 through 9 */
429 	/* all other characters are returned immediately */
430 
431     int c;
432 
433     while( (c=getchar()) == ' ' )   { /* skip blanks */ }
434 
435     /* c is now nonblank */
436 
437     if( islower( c )) {
438 	*yylval = (c - 'a');
439 	return ( LETTER );
440     }
441     if( isdigit( c )) {
442 	*yylval = (c - '0') % (*base);
443 	return ( DIGIT );
444     }
445     return( c );
446 }
447 #line 448 "calc3.tab.c"
448 
449 /* For use in generated program */
450 #define yydepth (int)(yystack.s_mark - yystack.s_base)
451 #if YYBTYACC
452 #define yytrial (yyps->save)
453 #endif /* YYBTYACC */
454 
455 #if YYDEBUG
456 #include <stdio.h>		/* needed for printf */
457 #endif
458 
459 #include <stdlib.h>	/* needed for malloc, etc */
460 #include <string.h>	/* needed for memset */
461 
462 /* allocate initial stack or double stack size, up to YYMAXDEPTH */
463 static int yygrowstack(YYSTACKDATA *data)
464 {
465     int i;
466     unsigned newsize;
467     short *newss;
468     YYSTYPE *newvs;
469 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
470     YYLTYPE *newps;
471 #endif
472 
473     if ((newsize = data->stacksize) == 0)
474         newsize = YYINITSTACKSIZE;
475     else if (newsize >= YYMAXDEPTH)
476         return YYENOMEM;
477     else if ((newsize *= 2) > YYMAXDEPTH)
478         newsize = YYMAXDEPTH;
479 
480     i = (int) (data->s_mark - data->s_base);
481     newss = (short *)realloc(data->s_base, newsize * sizeof(*newss));
482     if (newss == 0)
483         return YYENOMEM;
484 
485     data->s_base = newss;
486     data->s_mark = newss + i;
487 
488     newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
489     if (newvs == 0)
490         return YYENOMEM;
491 
492     data->l_base = newvs;
493     data->l_mark = newvs + i;
494 
495 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
496     newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps));
497     if (newps == 0)
498         return YYENOMEM;
499 
500     data->p_base = newps;
501     data->p_mark = newps + i;
502 #endif
503 
504     data->stacksize = newsize;
505     data->s_last = data->s_base + newsize - 1;
506 
507 #if YYDEBUG
508     if (yydebug)
509         fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize);
510 #endif
511     return 0;
512 }
513 
514 #if YYPURE || defined(YY_NO_LEAKS)
515 static void yyfreestack(YYSTACKDATA *data)
516 {
517     free(data->s_base);
518     free(data->l_base);
519 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
520     free(data->p_base);
521 #endif
522     memset(data, 0, sizeof(*data));
523 }
524 #else
525 #define yyfreestack(data) /* nothing */
526 #endif /* YYPURE || defined(YY_NO_LEAKS) */
527 #if YYBTYACC
528 
529 static YYParseState *
530 yyNewState(unsigned size)
531 {
532     YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState));
533     if (p == NULL) return NULL;
534 
535     p->yystack.stacksize = size;
536     if (size == 0)
537     {
538         p->yystack.s_base = NULL;
539         p->yystack.l_base = NULL;
540 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
541         p->yystack.p_base = NULL;
542 #endif
543         return p;
544     }
545     p->yystack.s_base    = (short *) malloc(size * sizeof(short));
546     if (p->yystack.s_base == NULL) return NULL;
547     p->yystack.l_base    = (YYSTYPE *) malloc(size * sizeof(YYSTYPE));
548     if (p->yystack.l_base == NULL) return NULL;
549     memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE));
550 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
551     p->yystack.p_base    = (YYLTYPE *) malloc(size * sizeof(YYLTYPE));
552     if (p->yystack.p_base == NULL) return NULL;
553     memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE));
554 #endif
555 
556     return p;
557 }
558 
559 static void
560 yyFreeState(YYParseState *p)
561 {
562     yyfreestack(&p->yystack);
563     free(p);
564 }
565 #endif /* YYBTYACC */
566 
567 #define YYABORT  goto yyabort
568 #define YYREJECT goto yyabort
569 #define YYACCEPT goto yyaccept
570 #define YYERROR  goto yyerrlab
571 #if YYBTYACC
572 #define YYVALID        do { if (yyps->save)            goto yyvalid; } while(0)
573 #define YYVALID_NESTED do { if (yyps->save && \
574                                 yyps->save->save == 0) goto yyvalid; } while(0)
575 #endif /* YYBTYACC */
576 
577 int
578 YYPARSE_DECL()
579 {
580     int      yyerrflag;
581     int      yychar;
582     YYSTYPE  yyval;
583     YYSTYPE  yylval;
584 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
585     YYLTYPE  yyloc; /* position returned by actions */
586     YYLTYPE  yylloc; /* position from the lexer */
587 #endif
588 
589     /* variables for the parser stack */
590     YYSTACKDATA yystack;
591 #if YYBTYACC
592 
593     /* Current parser state */
594     static YYParseState *yyps = 0;
595 
596     /* yypath != NULL: do the full parse, starting at *yypath parser state. */
597     static YYParseState *yypath = 0;
598 
599     /* Base of the lexical value queue */
600     static YYSTYPE *yylvals = 0;
601 
602     /* Current position at lexical value queue */
603     static YYSTYPE *yylvp = 0;
604 
605     /* End position of lexical value queue */
606     static YYSTYPE *yylve = 0;
607 
608     /* The last allocated position at the lexical value queue */
609     static YYSTYPE *yylvlim = 0;
610 
611 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
612     /* Base of the lexical position queue */
613     static YYLTYPE *yylpsns = 0;
614 
615     /* Current position at lexical position queue */
616     static YYLTYPE *yylpp = 0;
617 
618     /* End position of lexical position queue */
619     static YYLTYPE *yylpe = 0;
620 
621     /* The last allocated position at the lexical position queue */
622     static YYLTYPE *yylplim = 0;
623 #endif
624 
625     /* Current position at lexical token queue */
626     static short  *yylexp = 0;
627 
628     static short  *yylexemes = 0;
629 #endif /* YYBTYACC */
630     int yym, yyn, yystate, yyresult;
631 #if YYBTYACC
632     int yynewerrflag;
633     YYParseState *yyerrctx = NULL;
634 #endif /* YYBTYACC */
635 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
636     YYLTYPE  yyerror_loc_range[2]; /* position of error start & end */
637 #endif
638 #if YYDEBUG
639     const char *yys;
640 
641     if ((yys = getenv("YYDEBUG")) != 0)
642     {
643         yyn = *yys;
644         if (yyn >= '0' && yyn <= '9')
645             yydebug = yyn - '0';
646     }
647     if (yydebug)
648         fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX);
649 #endif
650 
651 #if YYBTYACC
652     yyps = yyNewState(0); if (yyps == 0) goto yyenomem;
653     yyps->save = 0;
654 #endif /* YYBTYACC */
655     yynerrs = 0;
656     yyerrflag = 0;
657     yychar = YYEMPTY;
658     yystate = 0;
659 
660 #if YYPURE
661     memset(&yystack, 0, sizeof(yystack));
662 #endif
663 
664     if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
665     yystack.s_mark = yystack.s_base;
666     yystack.l_mark = yystack.l_base;
667 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
668     yystack.p_mark = yystack.p_base;
669 #endif
670     yystate = 0;
671     *yystack.s_mark = 0;
672 
673 yyloop:
674     if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
675     if (yychar < 0)
676     {
677 #if YYBTYACC
678         do {
679         if (yylvp < yylve)
680         {
681             /* we're currently re-reading tokens */
682             yylval = *yylvp++;
683 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
684             yylloc = *yylpp++;
685 #endif
686             yychar = *yylexp++;
687             break;
688         }
689         if (yyps->save)
690         {
691             /* in trial mode; save scanner results for future parse attempts */
692             if (yylvp == yylvlim)
693             {   /* Enlarge lexical value queue */
694                 int p = yylvp - yylvals;
695                 int s = yylvlim - yylvals;
696 
697                 s += YYLVQUEUEGROWTH;
698                 if ((yylexemes = (short *)   realloc(yylexemes, s * sizeof(short))) == NULL) goto yyenomem;
699                 if ((yylvals   = (YYSTYPE *) realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem;
700 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
701                 if ((yylpsns   = (YYLTYPE *) realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem;
702 #endif
703                 yylvp   = yylve = yylvals + p;
704                 yylvlim = yylvals + s;
705 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
706                 yylpp   = yylpe = yylpsns + p;
707                 yylplim = yylpsns + s;
708 #endif
709                 yylexp  = yylexemes + p;
710             }
711             *yylexp = (short) YYLEX;
712             *yylvp++ = yylval;
713             yylve++;
714 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
715             *yylpp++ = yylloc;
716             yylpe++;
717 #endif
718             yychar = *yylexp++;
719             break;
720         }
721         /* normal operation, no conflict encountered */
722 #endif /* YYBTYACC */
723         yychar = YYLEX;
724 #if YYBTYACC
725         } while (0);
726 #endif /* YYBTYACC */
727         if (yychar < 0) yychar = YYEOF;
728         /* if ((yychar = YYLEX) < 0) yychar = YYEOF; */
729 #if YYDEBUG
730         if (yydebug)
731         {
732             yys = yyname[YYTRANSLATE(yychar)];
733             fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)",
734                             YYDEBUGSTR, yydepth, yystate, yychar, yys);
735 #ifdef YYSTYPE_TOSTRING
736 #if YYBTYACC
737             if (!yytrial)
738 #endif /* YYBTYACC */
739                 fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval));
740 #endif
741             fputc('\n', stderr);
742         }
743 #endif
744     }
745 #if YYBTYACC
746 
747     /* Do we have a conflict? */
748     if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
749         yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
750     {
751         YYINT ctry;
752 
753         if (yypath)
754         {
755             YYParseState *save;
756 #if YYDEBUG
757             if (yydebug)
758                 fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n",
759                                 YYDEBUGSTR, yydepth, yystate);
760 #endif
761             /* Switch to the next conflict context */
762             save = yypath;
763             yypath = save->save;
764             save->save = NULL;
765             ctry = save->ctry;
766             if (save->state != yystate) YYABORT;
767             yyFreeState(save);
768 
769         }
770         else
771         {
772 
773             /* Unresolved conflict - start/continue trial parse */
774             YYParseState *save;
775 #if YYDEBUG
776             if (yydebug)
777             {
778                 fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate);
779                 if (yyps->save)
780                     fputs("ALREADY in conflict, continuing trial parse.\n", stderr);
781                 else
782                     fputs("Starting trial parse.\n", stderr);
783             }
784 #endif
785             save                  = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
786             if (save == NULL) goto yyenomem;
787             save->save            = yyps->save;
788             save->state           = yystate;
789             save->errflag         = yyerrflag;
790             save->yystack.s_mark  = save->yystack.s_base + (yystack.s_mark - yystack.s_base);
791             memcpy (save->yystack.s_base, yystack.s_base, (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
792             save->yystack.l_mark  = save->yystack.l_base + (yystack.l_mark - yystack.l_base);
793             memcpy (save->yystack.l_base, yystack.l_base, (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
794 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
795             save->yystack.p_mark  = save->yystack.p_base + (yystack.p_mark - yystack.p_base);
796             memcpy (save->yystack.p_base, yystack.p_base, (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
797 #endif
798             ctry                  = yytable[yyn];
799             if (yyctable[ctry] == -1)
800             {
801 #if YYDEBUG
802                 if (yydebug && yychar >= YYEOF)
803                     fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth);
804 #endif
805                 ctry++;
806             }
807             save->ctry = ctry;
808             if (yyps->save == NULL)
809             {
810                 /* If this is a first conflict in the stack, start saving lexemes */
811                 if (!yylexemes)
812                 {
813                     yylexemes = (short *) malloc((YYLVQUEUEGROWTH) * sizeof(short));
814                     if (yylexemes == NULL) goto yyenomem;
815                     yylvals   = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE));
816                     if (yylvals == NULL) goto yyenomem;
817                     yylvlim   = yylvals + YYLVQUEUEGROWTH;
818 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
819                     yylpsns   = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE));
820                     if (yylpsns == NULL) goto yyenomem;
821                     yylplim   = yylpsns + YYLVQUEUEGROWTH;
822 #endif
823                 }
824                 if (yylvp == yylve)
825                 {
826                     yylvp  = yylve = yylvals;
827 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
828                     yylpp  = yylpe = yylpsns;
829 #endif
830                     yylexp = yylexemes;
831                     if (yychar >= YYEOF)
832                     {
833                         *yylve++ = yylval;
834 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
835                         *yylpe++ = yylloc;
836 #endif
837                         *yylexp  = (short) yychar;
838                         yychar   = YYEMPTY;
839                     }
840                 }
841             }
842             if (yychar >= YYEOF)
843             {
844                 yylvp--;
845 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
846                 yylpp--;
847 #endif
848                 yylexp--;
849                 yychar = YYEMPTY;
850             }
851             save->lexeme = yylvp - yylvals;
852             yyps->save   = save;
853         }
854         if (yytable[yyn] == ctry)
855         {
856 #if YYDEBUG
857             if (yydebug)
858                 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
859                                 YYDEBUGSTR, yydepth, yystate, yyctable[ctry]);
860 #endif
861             if (yychar < 0)
862             {
863                 yylvp++;
864 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
865                 yylpp++;
866 #endif
867                 yylexp++;
868             }
869             if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
870                 goto yyoverflow;
871             yystate = yyctable[ctry];
872             *++yystack.s_mark = (short) yystate;
873             *++yystack.l_mark = yylval;
874 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
875             *++yystack.p_mark = yylloc;
876 #endif
877             yychar  = YYEMPTY;
878             if (yyerrflag > 0) --yyerrflag;
879             goto yyloop;
880         }
881         else
882         {
883             yyn = yyctable[ctry];
884             goto yyreduce;
885         }
886     } /* End of code dealing with conflicts */
887 #endif /* YYBTYACC */
888     if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
889             yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
890     {
891 #if YYDEBUG
892         if (yydebug)
893             fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
894                             YYDEBUGSTR, yydepth, yystate, yytable[yyn]);
895 #endif
896         if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
897         yystate = yytable[yyn];
898         *++yystack.s_mark = yytable[yyn];
899         *++yystack.l_mark = yylval;
900 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
901         *++yystack.p_mark = yylloc;
902 #endif
903         yychar = YYEMPTY;
904         if (yyerrflag > 0)  --yyerrflag;
905         goto yyloop;
906     }
907     if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
908             yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
909     {
910         yyn = yytable[yyn];
911         goto yyreduce;
912     }
913     if (yyerrflag != 0) goto yyinrecovery;
914 #if YYBTYACC
915 
916     yynewerrflag = 1;
917     goto yyerrhandler;
918     goto yyerrlab;
919 
920 yyerrlab:
921     yynewerrflag = 0;
922 yyerrhandler:
923     while (yyps->save)
924     {
925         int ctry;
926         YYParseState *save = yyps->save;
927 #if YYDEBUG
928         if (yydebug)
929             fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n",
930                             YYDEBUGSTR, yydepth, yystate, yyps->save->state,
931                     (int)(yylvp - yylvals - yyps->save->lexeme));
932 #endif
933         /* Memorize most forward-looking error state in case it's really an error. */
934         if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals)
935         {
936             /* Free old saved error context state */
937             if (yyerrctx) yyFreeState(yyerrctx);
938             /* Create and fill out new saved error context state */
939             yyerrctx                 = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
940             if (yyerrctx == NULL) goto yyenomem;
941             yyerrctx->save           = yyps->save;
942             yyerrctx->state          = yystate;
943             yyerrctx->errflag        = yyerrflag;
944             yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base);
945             memcpy (yyerrctx->yystack.s_base, yystack.s_base, (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
946             yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base);
947             memcpy (yyerrctx->yystack.l_base, yystack.l_base, (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
948 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
949             yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base);
950             memcpy (yyerrctx->yystack.p_base, yystack.p_base, (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
951 #endif
952             yyerrctx->lexeme         = yylvp - yylvals;
953         }
954         yylvp          = yylvals   + save->lexeme;
955 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
956         yylpp          = yylpsns   + save->lexeme;
957 #endif
958         yylexp         = yylexemes + save->lexeme;
959         yychar         = YYEMPTY;
960         yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base);
961         memcpy (yystack.s_base, save->yystack.s_base, (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
962         yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base);
963         memcpy (yystack.l_base, save->yystack.l_base, (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
964 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
965         yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base);
966         memcpy (yystack.p_base, save->yystack.p_base, (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
967 #endif
968         ctry           = ++save->ctry;
969         yystate        = save->state;
970         /* We tried shift, try reduce now */
971         if ((yyn = yyctable[ctry]) >= 0) goto yyreduce;
972         yyps->save     = save->save;
973         save->save     = NULL;
974         yyFreeState(save);
975 
976         /* Nothing left on the stack -- error */
977         if (!yyps->save)
978         {
979 #if YYDEBUG
980             if (yydebug)
981                 fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n",
982                                 YYPREFIX, yydepth);
983 #endif
984             /* Restore state as it was in the most forward-advanced error */
985             yylvp          = yylvals   + yyerrctx->lexeme;
986 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
987             yylpp          = yylpsns   + yyerrctx->lexeme;
988 #endif
989             yylexp         = yylexemes + yyerrctx->lexeme;
990             yychar         = yylexp[-1];
991             yylval         = yylvp[-1];
992 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
993             yylloc         = yylpp[-1];
994 #endif
995             yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base);
996             memcpy (yystack.s_base, yyerrctx->yystack.s_base, (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
997             yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base);
998             memcpy (yystack.l_base, yyerrctx->yystack.l_base, (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
999 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1000             yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base);
1001             memcpy (yystack.p_base, yyerrctx->yystack.p_base, (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
1002 #endif
1003             yystate        = yyerrctx->state;
1004             yyFreeState(yyerrctx);
1005             yyerrctx       = NULL;
1006         }
1007         yynewerrflag = 1;
1008     }
1009     if (yynewerrflag == 0) goto yyinrecovery;
1010 #endif /* YYBTYACC */
1011 
1012     YYERROR_CALL("syntax error");
1013 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1014     yyerror_loc_range[0] = yylloc; /* lookahead position is error start position */
1015 #endif
1016 
1017 #if !YYBTYACC
1018     goto yyerrlab;
1019 yyerrlab:
1020 #endif
1021     ++yynerrs;
1022 
1023 yyinrecovery:
1024     if (yyerrflag < 3)
1025     {
1026         yyerrflag = 3;
1027         for (;;)
1028         {
1029             if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
1030                     yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
1031             {
1032 #if YYDEBUG
1033                 if (yydebug)
1034                     fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n",
1035                                     YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]);
1036 #endif
1037                 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
1038                 yystate = yytable[yyn];
1039                 *++yystack.s_mark = yytable[yyn];
1040                 *++yystack.l_mark = yylval;
1041 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1042                 /* lookahead position is error end position */
1043                 yyerror_loc_range[1] = yylloc;
1044                 YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */
1045                 *++yystack.p_mark = yyloc;
1046 #endif
1047                 goto yyloop;
1048             }
1049             else
1050             {
1051 #if YYDEBUG
1052                 if (yydebug)
1053                     fprintf(stderr, "%s[%d]: error recovery discarding state %d\n",
1054                                     YYDEBUGSTR, yydepth, *yystack.s_mark);
1055 #endif
1056                 if (yystack.s_mark <= yystack.s_base) goto yyabort;
1057 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1058                 /* the current TOS position is the error start position */
1059                 yyerror_loc_range[0] = *yystack.p_mark;
1060 #endif
1061 #if defined(YYDESTRUCT_CALL)
1062 #if YYBTYACC
1063                 if (!yytrial)
1064 #endif /* YYBTYACC */
1065 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1066                     YYDESTRUCT_CALL("error: discarding state",
1067                                     yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark);
1068 #else
1069                     YYDESTRUCT_CALL("error: discarding state",
1070                                     yystos[*yystack.s_mark], yystack.l_mark);
1071 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1072 #endif /* defined(YYDESTRUCT_CALL) */
1073                 --yystack.s_mark;
1074                 --yystack.l_mark;
1075 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1076                 --yystack.p_mark;
1077 #endif
1078             }
1079         }
1080     }
1081     else
1082     {
1083         if (yychar == YYEOF) goto yyabort;
1084 #if YYDEBUG
1085         if (yydebug)
1086         {
1087             yys = yyname[YYTRANSLATE(yychar)];
1088             fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n",
1089                             YYDEBUGSTR, yydepth, yystate, yychar, yys);
1090         }
1091 #endif
1092 #if defined(YYDESTRUCT_CALL)
1093 #if YYBTYACC
1094         if (!yytrial)
1095 #endif /* YYBTYACC */
1096 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1097             YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc);
1098 #else
1099             YYDESTRUCT_CALL("error: discarding token", yychar, &yylval);
1100 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1101 #endif /* defined(YYDESTRUCT_CALL) */
1102         yychar = YYEMPTY;
1103         goto yyloop;
1104     }
1105 
1106 yyreduce:
1107     yym = yylen[yyn];
1108 #if YYDEBUG
1109     if (yydebug)
1110     {
1111         fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)",
1112                         YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]);
1113 #ifdef YYSTYPE_TOSTRING
1114 #if YYBTYACC
1115         if (!yytrial)
1116 #endif /* YYBTYACC */
1117             if (yym > 0)
1118             {
1119                 int i;
1120                 fputc('<', stderr);
1121                 for (i = yym; i > 0; i--)
1122                 {
1123                     if (i != yym) fputs(", ", stderr);
1124                     fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]],
1125                                            yystack.l_mark[1-i]), stderr);
1126                 }
1127                 fputc('>', stderr);
1128             }
1129 #endif
1130         fputc('\n', stderr);
1131     }
1132 #endif
1133     if (yym > 0)
1134         yyval = yystack.l_mark[1-yym];
1135     else
1136         memset(&yyval, 0, sizeof yyval);
1137 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1138 
1139     /* Perform position reduction */
1140     memset(&yyloc, 0, sizeof(yyloc));
1141 #if YYBTYACC
1142     if (!yytrial)
1143 #endif /* YYBTYACC */
1144     {
1145         YYLLOC_DEFAULT(yyloc, &yystack.p_mark[1-yym], yym);
1146         /* just in case YYERROR is invoked within the action, save
1147            the start of the rhs as the error start position */
1148         yyerror_loc_range[0] = yystack.p_mark[1-yym];
1149     }
1150 #endif
1151 
1152     switch (yyn)
1153     {
1154 case 3:
1155 #line 38 "calc3.y"
1156 	{  yyerrok ; }
1157 break;
1158 case 4:
1159 #line 42 "calc3.y"
1160 	{  printf("%d\n",yystack.l_mark[0]);}
1161 break;
1162 case 5:
1163 #line 44 "calc3.y"
1164 	{  regs[yystack.l_mark[-2]] = yystack.l_mark[0]; }
1165 break;
1166 case 6:
1167 #line 48 "calc3.y"
1168 	{  yyval = yystack.l_mark[-1]; }
1169 break;
1170 case 7:
1171 #line 50 "calc3.y"
1172 	{  yyval = yystack.l_mark[-2] + yystack.l_mark[0]; }
1173 break;
1174 case 8:
1175 #line 52 "calc3.y"
1176 	{  yyval = yystack.l_mark[-2] - yystack.l_mark[0]; }
1177 break;
1178 case 9:
1179 #line 54 "calc3.y"
1180 	{  yyval = yystack.l_mark[-2] * yystack.l_mark[0]; }
1181 break;
1182 case 10:
1183 #line 56 "calc3.y"
1184 	{  yyval = yystack.l_mark[-2] / yystack.l_mark[0]; }
1185 break;
1186 case 11:
1187 #line 58 "calc3.y"
1188 	{  yyval = yystack.l_mark[-2] % yystack.l_mark[0]; }
1189 break;
1190 case 12:
1191 #line 60 "calc3.y"
1192 	{  yyval = yystack.l_mark[-2] & yystack.l_mark[0]; }
1193 break;
1194 case 13:
1195 #line 62 "calc3.y"
1196 	{  yyval = yystack.l_mark[-2] | yystack.l_mark[0]; }
1197 break;
1198 case 14:
1199 #line 64 "calc3.y"
1200 	{  yyval = - yystack.l_mark[0]; }
1201 break;
1202 case 15:
1203 #line 66 "calc3.y"
1204 	{  yyval = regs[yystack.l_mark[0]]; }
1205 break;
1206 case 17:
1207 #line 71 "calc3.y"
1208 	{  yyval = yystack.l_mark[0]; (*base) = (yystack.l_mark[0]==0) ? 8 : 10; }
1209 break;
1210 case 18:
1211 #line 73 "calc3.y"
1212 	{  yyval = (*base) * yystack.l_mark[-1] + yystack.l_mark[0]; }
1213 break;
1214 #line 1215 "calc3.tab.c"
1215     default:
1216         break;
1217     }
1218     yystack.s_mark -= yym;
1219     yystate = *yystack.s_mark;
1220     yystack.l_mark -= yym;
1221 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1222     yystack.p_mark -= yym;
1223 #endif
1224     yym = yylhs[yyn];
1225     if (yystate == 0 && yym == 0)
1226     {
1227 #if YYDEBUG
1228         if (yydebug)
1229         {
1230             fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
1231 #ifdef YYSTYPE_TOSTRING
1232 #if YYBTYACC
1233             if (!yytrial)
1234 #endif /* YYBTYACC */
1235                 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval));
1236 #endif
1237             fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL);
1238         }
1239 #endif
1240         yystate = YYFINAL;
1241         *++yystack.s_mark = YYFINAL;
1242         *++yystack.l_mark = yyval;
1243 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1244         *++yystack.p_mark = yyloc;
1245 #endif
1246         if (yychar < 0)
1247         {
1248 #if YYBTYACC
1249             do {
1250             if (yylvp < yylve)
1251             {
1252                 /* we're currently re-reading tokens */
1253                 yylval = *yylvp++;
1254 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1255                 yylloc = *yylpp++;
1256 #endif
1257                 yychar = *yylexp++;
1258                 break;
1259             }
1260             if (yyps->save)
1261             {
1262                 /* in trial mode; save scanner results for future parse attempts */
1263                 if (yylvp == yylvlim)
1264                 {   /* Enlarge lexical value queue */
1265                     int p = yylvp - yylvals;
1266                     int s = yylvlim - yylvals;
1267 
1268                     s += YYLVQUEUEGROWTH;
1269                     if ((yylexemes = (short *)   realloc(yylexemes, s * sizeof(short))) == NULL)
1270                         goto yyenomem;
1271                     if ((yylvals   = (YYSTYPE *) realloc(yylvals, s * sizeof(YYSTYPE))) == NULL)
1272                         goto yyenomem;
1273 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1274                     if ((yylpsns   = (YYLTYPE *) realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL)
1275                         goto yyenomem;
1276 #endif
1277                     yylvp   = yylve = yylvals + p;
1278                     yylvlim = yylvals + s;
1279 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1280                     yylpp   = yylpe = yylpsns + p;
1281                     yylplim = yylpsns + s;
1282 #endif
1283                     yylexp  = yylexemes + p;
1284                 }
1285                 *yylexp = (short) YYLEX;
1286                 *yylvp++ = yylval;
1287                 yylve++;
1288 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1289                 *yylpp++ = yylloc;
1290                 yylpe++;
1291 #endif
1292                 yychar = *yylexp++;
1293                 break;
1294             }
1295             /* normal operation, no conflict encountered */
1296 #endif /* YYBTYACC */
1297             yychar = YYLEX;
1298 #if YYBTYACC
1299             } while (0);
1300 #endif /* YYBTYACC */
1301             if (yychar < 0) yychar = YYEOF;
1302             /* if ((yychar = YYLEX) < 0) yychar = YYEOF; */
1303 #if YYDEBUG
1304             if (yydebug)
1305             {
1306                 yys = yyname[YYTRANSLATE(yychar)];
1307                 fprintf(stderr, "%s[%d]: state %d, reading %d (%s)\n",
1308                                 YYDEBUGSTR, yydepth, YYFINAL, yychar, yys);
1309             }
1310 #endif
1311         }
1312         if (yychar == YYEOF) goto yyaccept;
1313         goto yyloop;
1314     }
1315     if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
1316             yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
1317         yystate = yytable[yyn];
1318     else
1319         yystate = yydgoto[yym];
1320 #if YYDEBUG
1321     if (yydebug)
1322     {
1323         fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
1324 #ifdef YYSTYPE_TOSTRING
1325 #if YYBTYACC
1326         if (!yytrial)
1327 #endif /* YYBTYACC */
1328             fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval));
1329 #endif
1330         fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate);
1331     }
1332 #endif
1333     if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
1334     *++yystack.s_mark = (short) yystate;
1335     *++yystack.l_mark = yyval;
1336 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1337     *++yystack.p_mark = yyloc;
1338 #endif
1339     goto yyloop;
1340 #if YYBTYACC
1341 
1342     /* Reduction declares that this path is valid. Set yypath and do a full parse */
1343 yyvalid:
1344     if (yypath) YYABORT;
1345     while (yyps->save)
1346     {
1347         YYParseState *save = yyps->save;
1348         yyps->save = save->save;
1349         save->save = yypath;
1350         yypath = save;
1351     }
1352 #if YYDEBUG
1353     if (yydebug)
1354         fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n",
1355                         YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme));
1356 #endif
1357     if (yyerrctx)
1358     {
1359         yyFreeState(yyerrctx);
1360         yyerrctx = NULL;
1361     }
1362     yylvp          = yylvals + yypath->lexeme;
1363 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1364     yylpp          = yylpsns + yypath->lexeme;
1365 #endif
1366     yylexp         = yylexemes + yypath->lexeme;
1367     yychar         = YYEMPTY;
1368     yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base);
1369     memcpy (yystack.s_base, yypath->yystack.s_base, (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
1370     yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base);
1371     memcpy (yystack.l_base, yypath->yystack.l_base, (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
1372 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1373     yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base);
1374     memcpy (yystack.p_base, yypath->yystack.p_base, (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
1375 #endif
1376     yystate        = yypath->state;
1377     goto yyloop;
1378 #endif /* YYBTYACC */
1379 
1380 yyoverflow:
1381     YYERROR_CALL("yacc stack overflow");
1382 #if YYBTYACC
1383     goto yyabort_nomem;
1384 yyenomem:
1385     YYERROR_CALL("memory exhausted");
1386 yyabort_nomem:
1387 #endif /* YYBTYACC */
1388     yyresult = 2;
1389     goto yyreturn;
1390 
1391 yyabort:
1392     yyresult = 1;
1393     goto yyreturn;
1394 
1395 yyaccept:
1396 #if YYBTYACC
1397     if (yyps->save) goto yyvalid;
1398 #endif /* YYBTYACC */
1399     yyresult = 0;
1400 
1401 yyreturn:
1402 #if defined(YYDESTRUCT_CALL)
1403     if (yychar != YYEOF && yychar != YYEMPTY)
1404 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1405         YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc);
1406 #else
1407         YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval);
1408 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1409 
1410     {
1411         YYSTYPE *pv;
1412 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1413         YYLTYPE *pp;
1414 
1415         for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp)
1416              YYDESTRUCT_CALL("cleanup: discarding state",
1417                              yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp);
1418 #else
1419         for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv)
1420              YYDESTRUCT_CALL("cleanup: discarding state",
1421                              yystos[*(yystack.s_base + (pv - yystack.l_base))], pv);
1422 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1423     }
1424 #endif /* defined(YYDESTRUCT_CALL) */
1425 
1426 #if YYBTYACC
1427     if (yyerrctx)
1428     {
1429         yyFreeState(yyerrctx);
1430         yyerrctx = NULL;
1431     }
1432     while (yyps)
1433     {
1434         YYParseState *save = yyps;
1435         yyps = save->save;
1436         save->save = NULL;
1437         yyFreeState(save);
1438     }
1439     while (yypath)
1440     {
1441         YYParseState *save = yypath;
1442         yypath = save->save;
1443         save->save = NULL;
1444         yyFreeState(save);
1445     }
1446 #endif /* YYBTYACC */
1447     yyfreestack(&yystack);
1448     return (yyresult);
1449 }
1450