1 /* original parser id follows */
2 /* yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93" */
3 /* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */
8 #define YYCHECK "yyyymmdd"
11 #define yyclearin (yychar = YYEMPTY)
12 #define yyerrok (yyerrflag = 0)
13 #define YYRECOVERING() (yyerrflag != 0)
18 #define yyparse quote_calc_parse
22 #define yylex quote_calc_lex
26 #define yyerror quote_calc_error
30 #define yychar quote_calc_char
34 #define yyval quote_calc_val
38 #define yylval quote_calc_lval
42 #define yydebug quote_calc_debug
46 #define yynerrs quote_calc_nerrs
50 #define yyerrflag quote_calc_errflag
51 #endif /* yyerrflag */
54 #define yylhs quote_calc_lhs
58 #define yylen quote_calc_len
62 #define yydefred quote_calc_defred
66 #define yydgoto quote_calc_dgoto
70 #define yysindex quote_calc_sindex
74 #define yyrindex quote_calc_rindex
78 #define yygindex quote_calc_gindex
82 #define yytable quote_calc_table
86 #define yycheck quote_calc_check
90 #define yyname quote_calc_name
94 #define yyrule quote_calc_rule
96 #define YYPREFIX "quote_calc_"
100 #line 2 "quote_calc.y"
108 static void yyerror(const char *s);
110 #line 111 "quote_calc.tab.c"
112 #if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
113 /* Default: YYSTYPE is the semantic value type. */
115 # define YYSTYPE_IS_DECLARED 1
118 /* compatibility with bison */
120 /* compatibility with FreeBSD */
121 # ifdef YYPARSE_PARAM_TYPE
122 # define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
124 # define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
127 # define YYPARSE_DECL() yyparse(void)
130 /* Parameters sent to lex. */
132 # define YYLEX_DECL() yylex(void *YYLEX_PARAM)
133 # define YYLEX yylex(YYLEX_PARAM)
135 # define YYLEX_DECL() yylex(void)
136 # define YYLEX yylex()
139 /* Parameters sent to yyerror. */
141 #define YYERROR_DECL() yyerror(const char *s)
144 #define YYERROR_CALL(msg) yyerror(msg)
147 extern int YYPARSE_DECL();
164 #define YYERRCODE 256
166 static const YYINT quote_calc_lhs[] = { -1,
167 0, 0, 0, 1, 1, 2, 2, 2, 2, 2,
168 2, 2, 2, 2, 2, 2, 3, 3,
170 static const YYINT quote_calc_len[] = { 2,
171 0, 3, 3, 1, 3, 3, 3, 3, 3, 3,
172 3, 3, 3, 2, 1, 1, 1, 2,
174 static const YYINT quote_calc_defred[] = { 1,
175 0, 0, 0, 17, 0, 0, 0, 0, 0, 3,
176 15, 0, 0, 0, 2, 0, 0, 0, 0, 0,
177 0, 0, 18, 0, 6, 0, 0, 0, 0, 0,
180 static const YYINT quote_calc_dgoto[] = { 1,
183 static const YYINT quote_calc_sindex[] = { 0,
184 -38, 5, -36, 0, -51, -36, 7, -121, -248, 0,
185 0, -243, -36, -22, 0, -36, -36, -36, -36, -36,
186 -36, -36, 0, -121, 0, -121, -121, -121, -121, -121,
189 static const YYINT quote_calc_rindex[] = { 0,
190 0, 0, 0, 0, -9, 0, 0, 13, -10, 0,
191 0, -5, 0, 0, 0, 0, 0, 0, 0, 0,
192 0, 0, 0, 15, 0, -3, -2, -1, 1, 2,
195 static const YYINT quote_calc_gindex[] = { 0,
198 #define YYTABLESIZE 258
199 static const YYINT quote_calc_table[] = { 16,
200 15, 6, 22, 6, 14, 13, 7, 8, 9, 13,
201 10, 11, 12, 16, 10, 17, 15, 18, 25, 19,
202 23, 20, 4, 21, 5, 0, 0, 0, 0, 0,
203 16, 0, 0, 0, 0, 14, 13, 7, 8, 9,
204 0, 10, 11, 12, 12, 0, 0, 14, 0, 0,
205 0, 0, 0, 0, 24, 0, 0, 26, 27, 28,
206 29, 30, 31, 32, 0, 0, 0, 0, 0, 0,
207 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
208 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
209 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
210 0, 22, 0, 0, 0, 0, 0, 0, 0, 0,
211 0, 0, 0, 16, 15, 0, 0, 0, 14, 13,
212 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
213 0, 0, 0, 0, 0, 16, 0, 17, 0, 18,
214 0, 19, 0, 20, 0, 21, 0, 0, 0, 0,
215 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
216 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
217 0, 0, 0, 0, 0, 0, 0, 0, 0, 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, 0, 0, 0, 0, 0, 2, 0, 0,
222 3, 0, 3, 0, 0, 0, 0, 0, 0, 0,
223 4, 5, 4, 11, 16, 0, 17, 0, 18, 0,
224 19, 0, 20, 0, 21, 0, 16, 15, 16, 15,
225 16, 15, 16, 15, 16, 15, 16, 15,
227 static const YYINT quote_calc_check[] = { 10,
228 10, 40, 124, 40, 10, 10, 10, 10, 10, 61,
229 10, 10, 10, 257, 10, 259, 10, 261, 41, 263,
230 269, 265, 10, 267, 10, -1, -1, -1, -1, -1,
231 41, -1, -1, -1, -1, 41, 41, 41, 41, 41,
232 -1, 41, 41, 41, 3, -1, -1, 6, -1, -1,
233 -1, -1, -1, -1, 13, -1, -1, 16, 17, 18,
234 19, 20, 21, 22, -1, -1, -1, -1, -1, -1,
235 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
236 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
237 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
238 -1, 124, -1, -1, -1, -1, -1, -1, -1, -1,
239 -1, -1, -1, 124, 124, -1, -1, -1, 124, 124,
240 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
241 -1, -1, -1, -1, -1, 257, -1, 259, -1, 261,
242 -1, 263, -1, 265, -1, 267, -1, -1, -1, -1,
243 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
244 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
245 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
246 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
247 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
248 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
249 -1, -1, -1, -1, -1, -1, -1, 256, -1, -1,
250 259, -1, 259, -1, -1, -1, -1, -1, -1, -1,
251 269, 270, 269, 270, 257, -1, 259, -1, 261, -1,
252 263, -1, 265, -1, 267, -1, 257, 257, 259, 259,
253 261, 261, 263, 263, 265, 265, 267, 267,
259 #define YYMAXTOKEN 271
260 #define YYUNDFTOKEN 277
261 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
263 static const char *const quote_calc_name[] = {
265 "end-of-file",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,
266 0,0,0,0,0,0,"'%'","'&'",0,"'('","')'","'*'","'+'",0,"'-'",0,"'/'",0,0,0,0,0,0,0,
267 0,0,0,0,0,0,"'='",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
268 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'|'",0,0,0,0,0,0,
269 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
270 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
271 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
272 0,0,0,0,0,0,"OP_ADD","\"ADD\"","OP_SUB","\"SUB\"","OP_MUL","\"MUL\"","OP_DIV",
273 "\"DIV\"","OP_MOD","\"MOD\"","OP_AND","\"AND\"","DIGIT","LETTER","UMINUS",0,0,0,
274 0,0,"illegal-symbol",
276 static const char *const quote_calc_rule[] = {
279 "list : list stat '\\n'",
280 "list : list error '\\n'",
282 "stat : LETTER '=' expr",
283 "expr : '(' expr ')'",
284 "expr : expr OP_ADD expr",
285 "expr : expr OP_SUB expr",
286 "expr : expr OP_MUL expr",
287 "expr : expr OP_DIV expr",
288 "expr : expr OP_MOD expr",
289 "expr : expr OP_AND expr",
290 "expr : expr '|' expr",
291 "expr : OP_SUB expr",
295 "number : number DIGIT",
308 /* define the initial stack-sizes */
311 #define YYMAXDEPTH YYSTACKSIZE
314 #define YYSTACKSIZE YYMAXDEPTH
316 #define YYSTACKSIZE 10000
317 #define YYMAXDEPTH 10000
321 #define YYINITSTACKSIZE 200
331 /* variables for the parser stack */
332 static YYSTACKDATA yystack;
333 #line 73 "quote_calc.y"
334 /* start of programs */
339 while(!feof(stdin)) {
346 yyerror(const char *s)
348 fprintf(stderr, "%s\n", s);
353 /* lexical analysis routine */
354 /* returns LETTER for a lower case letter, yylval = 0 through 25 */
355 /* return DIGIT for a digit, yylval = 0 through 9 */
356 /* all other characters are returned immediately */
360 while( (c=getchar()) == ' ' ) { /* skip blanks */ }
362 /* c is now nonblank */
374 #line 375 "quote_calc.tab.c"
377 #include <stdio.h> /* needed for printf */
380 #include <stdlib.h> /* needed for malloc, etc */
381 #include <string.h> /* needed for memset */
383 /* allocate initial stack or double stack size, up to YYMAXDEPTH */
384 static int yygrowstack(YYSTACKDATA *data)
391 if ((newsize = data->stacksize) == 0)
392 newsize = YYINITSTACKSIZE;
393 else if (newsize >= YYMAXDEPTH)
395 else if ((newsize *= 2) > YYMAXDEPTH)
396 newsize = YYMAXDEPTH;
398 i = (int) (data->s_mark - data->s_base);
399 newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
403 data->s_base = newss;
404 data->s_mark = newss + i;
406 newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
410 data->l_base = newvs;
411 data->l_mark = newvs + i;
413 data->stacksize = newsize;
414 data->s_last = data->s_base + newsize - 1;
418 #if YYPURE || defined(YY_NO_LEAKS)
419 static void yyfreestack(YYSTACKDATA *data)
423 memset(data, 0, sizeof(*data));
426 #define yyfreestack(data) /* nothing */
429 #define YYABORT goto yyabort
430 #define YYREJECT goto yyabort
431 #define YYACCEPT goto yyaccept
432 #define YYERROR goto yyerrlab
437 int yym, yyn, yystate;
441 if ((yys = getenv("YYDEBUG")) != 0)
444 if (yyn >= '0' && yyn <= '9')
455 memset(&yystack, 0, sizeof(yystack));
458 if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
459 yystack.s_mark = yystack.s_base;
460 yystack.l_mark = yystack.l_base;
465 if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
468 if ((yychar = YYLEX) < 0) yychar = YYEOF;
472 yys = yyname[YYTRANSLATE(yychar)];
473 printf("%sdebug: state %d, reading %d (%s)\n",
474 YYPREFIX, yystate, yychar, yys);
478 if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
479 yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
483 printf("%sdebug: state %d, shifting to state %d\n",
484 YYPREFIX, yystate, yytable[yyn]);
486 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
490 yystate = yytable[yyn];
491 *++yystack.s_mark = yytable[yyn];
492 *++yystack.l_mark = yylval;
494 if (yyerrflag > 0) --yyerrflag;
497 if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
498 yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
503 if (yyerrflag) goto yyinrecovery;
505 YYERROR_CALL("syntax error");
518 if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 &&
519 yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
523 printf("%sdebug: state %d, error recovery shifting\
524 to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
526 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
530 yystate = yytable[yyn];
531 *++yystack.s_mark = yytable[yyn];
532 *++yystack.l_mark = yylval;
539 printf("%sdebug: error recovery discarding state %d\n",
540 YYPREFIX, *yystack.s_mark);
542 if (yystack.s_mark <= yystack.s_base) goto yyabort;
550 if (yychar == YYEOF) goto yyabort;
554 yys = yyname[YYTRANSLATE(yychar)];
555 printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
556 YYPREFIX, yystate, yychar, yys);
566 printf("%sdebug: state %d, reducing by rule %d (%s)\n",
567 YYPREFIX, yystate, yyn, yyrule[yyn]);
571 yyval = yystack.l_mark[1-yym];
573 memset(&yyval, 0, sizeof yyval);
577 #line 35 "quote_calc.y"
581 #line 39 "quote_calc.y"
582 { printf("%d\n",yystack.l_mark[0]);}
585 #line 41 "quote_calc.y"
586 { regs[yystack.l_mark[-2]] = yystack.l_mark[0]; }
589 #line 45 "quote_calc.y"
590 { yyval = yystack.l_mark[-1]; }
593 #line 47 "quote_calc.y"
594 { yyval = yystack.l_mark[-2] + yystack.l_mark[0]; }
597 #line 49 "quote_calc.y"
598 { yyval = yystack.l_mark[-2] - yystack.l_mark[0]; }
601 #line 51 "quote_calc.y"
602 { yyval = yystack.l_mark[-2] * yystack.l_mark[0]; }
605 #line 53 "quote_calc.y"
606 { yyval = yystack.l_mark[-2] / yystack.l_mark[0]; }
609 #line 55 "quote_calc.y"
610 { yyval = yystack.l_mark[-2] % yystack.l_mark[0]; }
613 #line 57 "quote_calc.y"
614 { yyval = yystack.l_mark[-2] & yystack.l_mark[0]; }
617 #line 59 "quote_calc.y"
618 { yyval = yystack.l_mark[-2] | yystack.l_mark[0]; }
621 #line 61 "quote_calc.y"
622 { yyval = - yystack.l_mark[0]; }
625 #line 63 "quote_calc.y"
626 { yyval = regs[yystack.l_mark[0]]; }
629 #line 68 "quote_calc.y"
630 { yyval = yystack.l_mark[0]; base = (yystack.l_mark[0]==0) ? 8 : 10; }
633 #line 70 "quote_calc.y"
634 { yyval = base * yystack.l_mark[-1] + yystack.l_mark[0]; }
636 #line 637 "quote_calc.tab.c"
638 yystack.s_mark -= yym;
639 yystate = *yystack.s_mark;
640 yystack.l_mark -= yym;
642 if (yystate == 0 && yym == 0)
646 printf("%sdebug: after reduction, shifting from state 0 to\
647 state %d\n", YYPREFIX, YYFINAL);
650 *++yystack.s_mark = YYFINAL;
651 *++yystack.l_mark = yyval;
654 if ((yychar = YYLEX) < 0) yychar = YYEOF;
658 yys = yyname[YYTRANSLATE(yychar)];
659 printf("%sdebug: state %d, reading %d (%s)\n",
660 YYPREFIX, YYFINAL, yychar, yys);
664 if (yychar == YYEOF) goto yyaccept;
667 if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
668 yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
669 yystate = yytable[yyn];
671 yystate = yydgoto[yym];
674 printf("%sdebug: after reduction, shifting from state %d \
675 to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
677 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
681 *++yystack.s_mark = (YYINT) yystate;
682 *++yystack.l_mark = yyval;
686 YYERROR_CALL("yacc stack overflow");
689 yyfreestack(&yystack);
693 yyfreestack(&yystack);