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_calc2_parse
22 #define yylex quote_calc2_lex
26 #define yyerror quote_calc2_error
30 #define yychar quote_calc2_char
34 #define yyval quote_calc2_val
38 #define yylval quote_calc2_lval
42 #define yydebug quote_calc2_debug
46 #define yynerrs quote_calc2_nerrs
50 #define yyerrflag quote_calc2_errflag
51 #endif /* yyerrflag */
54 #define yylhs quote_calc2_lhs
58 #define yylen quote_calc2_len
62 #define yydefred quote_calc2_defred
66 #define yydgoto quote_calc2_dgoto
70 #define yysindex quote_calc2_sindex
74 #define yyrindex quote_calc2_rindex
78 #define yygindex quote_calc2_gindex
82 #define yytable quote_calc2_table
86 #define yycheck quote_calc2_check
90 #define yyname quote_calc2_name
94 #define yyrule quote_calc2_rule
96 #define YYPREFIX "quote_calc2_"
100 #line 2 "quote_calc2.y"
108 static void yyerror(const char *s);
110 #line 111 "quote_calc2-s.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();
158 #define YYERRCODE 256
160 static const YYINT quote_calc2_lhs[] = { -1,
161 0, 0, 0, 1, 1, 2, 2, 2, 2, 2,
162 2, 2, 2, 2, 2, 2, 3, 3,
164 static const YYINT quote_calc2_len[] = { 2,
165 0, 3, 3, 1, 3, 3, 3, 3, 3, 3,
166 3, 3, 3, 2, 1, 1, 1, 2,
168 static const YYINT quote_calc2_defred[] = { 1,
169 0, 0, 0, 17, 0, 0, 0, 0, 0, 3,
170 15, 0, 0, 0, 2, 0, 0, 0, 0, 0,
171 0, 0, 18, 0, 6, 0, 0, 0, 0, 0,
174 static const YYINT quote_calc2_dgoto[] = { 1,
177 static const YYINT quote_calc2_sindex[] = { 0,
178 -38, 4, -36, 0, -51, -36, 6, -121, -249, 0,
179 0, -243, -36, -23, 0, -36, -36, -36, -36, -36,
180 -36, -36, 0, -121, 0, -121, -121, -121, -121, -121,
183 static const YYINT quote_calc2_rindex[] = { 0,
184 0, 0, 0, 0, -9, 0, 0, 12, -10, 0,
185 0, -5, 0, 0, 0, 0, 0, 0, 0, 0,
186 0, 0, 0, 14, 0, -3, -2, -1, 1, 2,
189 static const YYINT quote_calc2_gindex[] = { 0,
192 #define YYTABLESIZE 259
193 static const YYINT quote_calc2_table[] = { 16,
194 15, 6, 22, 6, 14, 13, 7, 8, 9, 13,
195 10, 11, 12, 10, 16, 15, 17, 25, 18, 23,
196 19, 4, 20, 5, 21, 0, 0, 0, 0, 0,
197 16, 0, 0, 0, 0, 14, 13, 7, 8, 9,
198 0, 10, 11, 12, 12, 0, 0, 14, 0, 0,
199 0, 0, 0, 0, 24, 0, 0, 26, 27, 28,
200 29, 30, 31, 32, 0, 0, 0, 0, 0, 0,
201 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
202 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
203 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
204 22, 0, 0, 0, 0, 0, 0, 0, 0, 0,
205 0, 0, 0, 16, 15, 0, 0, 0, 14, 13,
206 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
207 0, 0, 0, 0, 0, 0, 16, 0, 17, 0,
208 18, 0, 19, 0, 20, 0, 21, 0, 0, 0,
209 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
210 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
211 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
212 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
213 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
214 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
215 0, 0, 0, 0, 0, 0, 0, 2, 0, 0,
216 0, 3, 0, 3, 0, 0, 0, 0, 0, 0,
217 4, 5, 4, 11, 16, 0, 17, 0, 18, 0,
218 19, 0, 20, 0, 21, 0, 0, 16, 15, 16,
219 15, 16, 15, 16, 15, 16, 15, 16, 15,
221 static const YYINT quote_calc2_check[] = { 10,
222 10, 40, 124, 40, 10, 10, 10, 10, 10, 61,
223 10, 10, 10, 10, 258, 10, 260, 41, 262, 269,
224 264, 10, 266, 10, 268, -1, -1, -1, -1, -1,
225 41, -1, -1, -1, -1, 41, 41, 41, 41, 41,
226 -1, 41, 41, 41, 3, -1, -1, 6, -1, -1,
227 -1, -1, -1, -1, 13, -1, -1, 16, 17, 18,
228 19, 20, 21, 22, -1, -1, -1, -1, -1, -1,
229 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
230 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
231 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
232 124, -1, -1, -1, -1, -1, -1, -1, -1, -1,
233 -1, -1, -1, 124, 124, -1, -1, -1, 124, 124,
234 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
235 -1, -1, -1, -1, -1, -1, 258, -1, 260, -1,
236 262, -1, 264, -1, 266, -1, 268, -1, -1, -1,
237 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
238 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
239 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
240 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
241 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
242 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
243 -1, -1, -1, -1, -1, -1, -1, 256, -1, -1,
244 -1, 260, -1, 260, -1, -1, -1, -1, -1, -1,
245 269, 270, 269, 270, 258, -1, 260, -1, 262, -1,
246 264, -1, 266, -1, 268, -1, -1, 258, 258, 260,
247 260, 262, 262, 264, 264, 266, 266, 268, 268,
253 #define YYMAXTOKEN 271
254 #define YYUNDFTOKEN 277
255 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
257 static const char *const quote_calc2_name[] = {
259 "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,
260 0,0,0,0,0,0,"'%'","'&'",0,"'('","')'","'*'","'+'",0,"'-'",0,"'/'",0,0,0,0,0,0,0,
261 0,0,0,0,0,0,"'='",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
262 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'|'",0,0,0,0,0,0,
263 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
264 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
265 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
266 0,0,0,0,0,0,"OP_ADD","\"ADD\"","OP_SUB","\"SUB\"","OP_MUL","\"MUL\"","OP_DIV",
267 "\"DIV\"","OP_MOD","\"MOD\"","OP_AND","\"AND\"","DIGIT","LETTER","UMINUS",0,0,0,
268 0,0,"illegal-symbol",
270 static const char *const quote_calc2_rule[] = {
273 "list : list stat '\\n'",
274 "list : list error '\\n'",
276 "stat : LETTER '=' expr",
277 "expr : '(' expr ')'",
278 "expr : expr \"ADD\" expr",
279 "expr : expr \"SUB\" expr",
280 "expr : expr \"MUL\" expr",
281 "expr : expr \"DIV\" expr",
282 "expr : expr \"MOD\" expr",
283 "expr : expr \"AND\" expr",
284 "expr : expr '|' expr",
285 "expr : \"SUB\" expr",
289 "number : number DIGIT",
302 /* define the initial stack-sizes */
305 #define YYMAXDEPTH YYSTACKSIZE
308 #define YYSTACKSIZE YYMAXDEPTH
310 #define YYSTACKSIZE 10000
311 #define YYMAXDEPTH 10000
315 #define YYINITSTACKSIZE 200
325 /* variables for the parser stack */
326 static YYSTACKDATA yystack;
327 #line 73 "quote_calc2.y"
328 /* start of programs */
333 while(!feof(stdin)) {
340 yyerror(const char *s)
342 fprintf(stderr, "%s\n", s);
347 /* lexical analysis routine */
348 /* returns LETTER for a lower case letter, yylval = 0 through 25 */
349 /* return DIGIT for a digit, yylval = 0 through 9 */
350 /* all other characters are returned immediately */
354 while( (c=getchar()) == ' ' ) { /* skip blanks */ }
356 /* c is now nonblank */
368 #line 369 "quote_calc2-s.tab.c"
371 #include <stdio.h> /* needed for printf */
374 #include <stdlib.h> /* needed for malloc, etc */
375 #include <string.h> /* needed for memset */
377 /* allocate initial stack or double stack size, up to YYMAXDEPTH */
378 static int yygrowstack(YYSTACKDATA *data)
385 if ((newsize = data->stacksize) == 0)
386 newsize = YYINITSTACKSIZE;
387 else if (newsize >= YYMAXDEPTH)
389 else if ((newsize *= 2) > YYMAXDEPTH)
390 newsize = YYMAXDEPTH;
392 i = (int) (data->s_mark - data->s_base);
393 newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
397 data->s_base = newss;
398 data->s_mark = newss + i;
400 newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
404 data->l_base = newvs;
405 data->l_mark = newvs + i;
407 data->stacksize = newsize;
408 data->s_last = data->s_base + newsize - 1;
412 #if YYPURE || defined(YY_NO_LEAKS)
413 static void yyfreestack(YYSTACKDATA *data)
417 memset(data, 0, sizeof(*data));
420 #define yyfreestack(data) /* nothing */
423 #define YYABORT goto yyabort
424 #define YYREJECT goto yyabort
425 #define YYACCEPT goto yyaccept
426 #define YYERROR goto yyerrlab
431 int yym, yyn, yystate;
435 if ((yys = getenv("YYDEBUG")) != 0)
438 if (yyn >= '0' && yyn <= '9')
451 memset(&yystack, 0, sizeof(yystack));
454 if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
455 yystack.s_mark = yystack.s_base;
456 yystack.l_mark = yystack.l_base;
461 if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
465 if (yychar < 0) yychar = YYEOF;
469 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
470 printf("%sdebug: state %d, reading %d (%s)\n",
471 YYPREFIX, yystate, yychar, yys);
475 if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
476 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
480 printf("%sdebug: state %d, shifting to state %d\n",
481 YYPREFIX, yystate, yytable[yyn]);
483 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
484 yystate = yytable[yyn];
485 *++yystack.s_mark = yytable[yyn];
486 *++yystack.l_mark = yylval;
488 if (yyerrflag > 0) --yyerrflag;
491 if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
492 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
497 if (yyerrflag != 0) goto yyinrecovery;
499 YYERROR_CALL("syntax error");
501 goto yyerrlab; /* redundant goto avoids 'unused label' warning */
511 if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
512 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
516 printf("%sdebug: state %d, error recovery shifting\
517 to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
519 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
520 yystate = yytable[yyn];
521 *++yystack.s_mark = yytable[yyn];
522 *++yystack.l_mark = yylval;
529 printf("%sdebug: error recovery discarding state %d\n",
530 YYPREFIX, *yystack.s_mark);
532 if (yystack.s_mark <= yystack.s_base) goto yyabort;
540 if (yychar == YYEOF) goto yyabort;
544 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
545 printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
546 YYPREFIX, yystate, yychar, yys);
556 printf("%sdebug: state %d, reducing by rule %d (%s)\n",
557 YYPREFIX, yystate, yyn, yyrule[yyn]);
561 yyval = yystack.l_mark[1-yym];
563 memset(&yyval, 0, sizeof yyval);
568 #line 35 "quote_calc2.y"
572 #line 39 "quote_calc2.y"
573 { printf("%d\n",yystack.l_mark[0]);}
576 #line 41 "quote_calc2.y"
577 { regs[yystack.l_mark[-2]] = yystack.l_mark[0]; }
580 #line 45 "quote_calc2.y"
581 { yyval = yystack.l_mark[-1]; }
584 #line 47 "quote_calc2.y"
585 { yyval = yystack.l_mark[-2] + yystack.l_mark[0]; }
588 #line 49 "quote_calc2.y"
589 { yyval = yystack.l_mark[-2] - yystack.l_mark[0]; }
592 #line 51 "quote_calc2.y"
593 { yyval = yystack.l_mark[-2] * yystack.l_mark[0]; }
596 #line 53 "quote_calc2.y"
597 { yyval = yystack.l_mark[-2] / yystack.l_mark[0]; }
600 #line 55 "quote_calc2.y"
601 { yyval = yystack.l_mark[-2] % yystack.l_mark[0]; }
604 #line 57 "quote_calc2.y"
605 { yyval = yystack.l_mark[-2] & yystack.l_mark[0]; }
608 #line 59 "quote_calc2.y"
609 { yyval = yystack.l_mark[-2] | yystack.l_mark[0]; }
612 #line 61 "quote_calc2.y"
613 { yyval = - yystack.l_mark[0]; }
616 #line 63 "quote_calc2.y"
617 { yyval = regs[yystack.l_mark[0]]; }
620 #line 68 "quote_calc2.y"
621 { yyval = yystack.l_mark[0]; base = (yystack.l_mark[0]==0) ? 8 : 10; }
624 #line 70 "quote_calc2.y"
625 { yyval = base * yystack.l_mark[-1] + yystack.l_mark[0]; }
627 #line 628 "quote_calc2-s.tab.c"
629 yystack.s_mark -= yym;
630 yystate = *yystack.s_mark;
631 yystack.l_mark -= yym;
633 if (yystate == 0 && yym == 0)
637 printf("%sdebug: after reduction, shifting from state 0 to\
638 state %d\n", YYPREFIX, YYFINAL);
641 *++yystack.s_mark = YYFINAL;
642 *++yystack.l_mark = yyval;
646 if (yychar < 0) yychar = YYEOF;
650 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
651 printf("%sdebug: state %d, reading %d (%s)\n",
652 YYPREFIX, YYFINAL, yychar, yys);
656 if (yychar == YYEOF) goto yyaccept;
659 if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
660 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
661 yystate = yytable[yyn];
663 yystate = yydgoto[yym];
666 printf("%sdebug: after reduction, shifting from state %d \
667 to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
669 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
670 *++yystack.s_mark = (YYINT) yystate;
671 *++yystack.l_mark = yyval;
675 YYERROR_CALL("yacc stack overflow");
678 yyfreestack(&yystack);
682 yyfreestack(&yystack);