| 1 |
/* original parser id follows */ |
| 2 |
/* yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93" */ |
| 3 |
/* (use YYMAJOR/YYMINOR for ifdefs dependent of 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 calc_parse |
| 22 |
#endif /* yyparse */ |
| 23 |
|
| 24 |
#ifndef yylex |
| 25 |
#define yylex calc_lex |
| 26 |
#endif /* yylex */ |
| 27 |
|
| 28 |
#ifndef yyerror |
| 29 |
#define yyerror calc_error |
| 30 |
#endif /* yyerror */ |
| 31 |
|
| 32 |
#ifndef yychar |
| 33 |
#define yychar calc_char |
| 34 |
#endif /* yychar */ |
| 35 |
|
| 36 |
#ifndef yyval |
| 37 |
#define yyval calc_val |
| 38 |
#endif /* yyval */ |
| 39 |
|
| 40 |
#ifndef yylval |
| 41 |
#define yylval calc_lval |
| 42 |
#endif /* yylval */ |
| 43 |
|
| 44 |
#ifndef yydebug |
| 45 |
#define yydebug calc_debug |
| 46 |
#endif /* yydebug */ |
| 47 |
|
| 48 |
#ifndef yynerrs |
| 49 |
#define yynerrs calc_nerrs |
| 50 |
#endif /* yynerrs */ |
| 51 |
|
| 52 |
#ifndef yyerrflag |
| 53 |
#define yyerrflag calc_errflag |
| 54 |
#endif /* yyerrflag */ |
| 55 |
|
| 56 |
#ifndef yylhs |
| 57 |
#define yylhs calc_lhs |
| 58 |
#endif /* yylhs */ |
| 59 |
|
| 60 |
#ifndef yylen |
| 61 |
#define yylen calc_len |
| 62 |
#endif /* yylen */ |
| 63 |
|
| 64 |
#ifndef yydefred |
| 65 |
#define yydefred calc_defred |
| 66 |
#endif /* yydefred */ |
| 67 |
|
| 68 |
#ifndef yystos |
| 69 |
#define yystos calc_stos |
| 70 |
#endif /* yystos */ |
| 71 |
|
| 72 |
#ifndef yydgoto |
| 73 |
#define yydgoto calc_dgoto |
| 74 |
#endif /* yydgoto */ |
| 75 |
|
| 76 |
#ifndef yysindex |
| 77 |
#define yysindex calc_sindex |
| 78 |
#endif /* yysindex */ |
| 79 |
|
| 80 |
#ifndef yyrindex |
| 81 |
#define yyrindex calc_rindex |
| 82 |
#endif /* yyrindex */ |
| 83 |
|
| 84 |
#ifndef yygindex |
| 85 |
#define yygindex calc_gindex |
| 86 |
#endif /* yygindex */ |
| 87 |
|
| 88 |
#ifndef yytable |
| 89 |
#define yytable calc_table |
| 90 |
#endif /* yytable */ |
| 91 |
|
| 92 |
#ifndef yycheck |
| 93 |
#define yycheck calc_check |
| 94 |
#endif /* yycheck */ |
| 95 |
|
| 96 |
#ifndef yyname |
| 97 |
#define yyname calc_name |
| 98 |
#endif /* yyname */ |
| 99 |
|
| 100 |
#ifndef yyrule |
| 101 |
#define yyrule calc_rule |
| 102 |
#endif /* yyrule */ |
| 103 |
|
| 104 |
#if YYBTYACC |
| 105 |
|
| 106 |
#ifndef yycindex |
| 107 |
#define yycindex calc_cindex |
| 108 |
#endif /* yycindex */ |
| 109 |
|
| 110 |
#ifndef yyctable |
| 111 |
#define yyctable calc_ctable |
| 112 |
#endif /* yyctable */ |
| 113 |
|
| 114 |
#endif /* YYBTYACC */ |
| 115 |
|
| 116 |
#define YYPREFIX "calc_" |
| 117 |
|
| 118 |
#define YYPURE 0 |
| 119 |
|
| 120 |
#line 2 "calc.y" |
| 121 |
# include <stdio.h> |
| 122 |
# include <ctype.h> |
| 123 |
|
| 124 |
int regs[26]; |
| 125 |
int base; |
| 126 |
|
| 127 |
extern int yylex(void); |
| 128 |
static void yyerror(const char *s); |
| 129 |
|
| 130 |
#line 131 "calc.tab.c" |
| 131 |
|
| 132 |
#if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED) |
| 133 |
/* Default: YYSTYPE is the semantic value type. */ |
| 134 |
typedef int YYSTYPE; |
| 135 |
# define YYSTYPE_IS_DECLARED 1 |
| 136 |
#endif |
| 137 |
|
| 138 |
/* compatibility with bison */ |
| 139 |
#ifdef YYPARSE_PARAM |
| 140 |
/* compatibility with FreeBSD */ |
| 141 |
# ifdef YYPARSE_PARAM_TYPE |
| 142 |
# define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM) |
| 143 |
# else |
| 144 |
# define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM) |
| 145 |
# endif |
| 146 |
#else |
| 147 |
# define YYPARSE_DECL() yyparse(void) |
| 148 |
#endif |
| 149 |
|
| 150 |
/* Parameters sent to lex. */ |
| 151 |
#ifdef YYLEX_PARAM |
| 152 |
# define YYLEX_DECL() yylex(void *YYLEX_PARAM) |
| 153 |
# define YYLEX yylex(YYLEX_PARAM) |
| 154 |
#else |
| 155 |
# define YYLEX_DECL() yylex(void) |
| 156 |
# define YYLEX yylex() |
| 157 |
#endif |
| 158 |
|
| 159 |
/* Parameters sent to yyerror. */ |
| 160 |
#ifndef YYERROR_DECL |
| 161 |
#define YYERROR_DECL() yyerror(const char *s) |
| 162 |
#endif |
| 163 |
#ifndef YYERROR_CALL |
| 164 |
#define YYERROR_CALL(msg) yyerror(msg) |
| 165 |
#endif |
| 166 |
|
| 167 |
extern int YYPARSE_DECL(); |
| 168 |
|
| 169 |
#define DIGIT 257 |
| 170 |
#define LETTER 258 |
| 171 |
#define UMINUS 259 |
| 172 |
#define YYERRCODE 256 |
| 173 |
typedef short YYINT; |
| 174 |
static const YYINT calc_lhs[] = { -1, |
| 175 |
0, 0, 0, 1, 1, 2, 2, 2, 2, 2, |
| 176 |
2, 2, 2, 2, 2, 2, 3, 3, |
| 177 |
}; |
| 178 |
static const YYINT calc_len[] = { 2, |
| 179 |
0, 3, 3, 1, 3, 3, 3, 3, 3, 3, |
| 180 |
3, 3, 3, 2, 1, 1, 1, 2, |
| 181 |
}; |
| 182 |
static const YYINT calc_defred[] = { 1, |
| 183 |
0, 0, 17, 0, 0, 0, 0, 0, 0, 3, |
| 184 |
0, 15, 14, 0, 2, 0, 0, 0, 0, 0, |
| 185 |
0, 0, 18, 0, 6, 0, 0, 0, 0, 9, |
| 186 |
10, 11, |
| 187 |
}; |
| 188 |
static const YYINT calc_stos[] = { 0, |
| 189 |
261, 256, 257, 258, 45, 40, 262, 263, 264, 10, |
| 190 |
61, 258, 263, 263, 10, 124, 38, 43, 45, 42, |
| 191 |
47, 37, 257, 263, 41, 263, 263, 263, 263, 263, |
| 192 |
263, 263, |
| 193 |
}; |
| 194 |
static const YYINT calc_dgoto[] = { 1, |
| 195 |
7, 8, 9, |
| 196 |
}; |
| 197 |
static const YYINT calc_sindex[] = { 0, |
| 198 |
-40, -7, 0, -55, -38, -38, 1, -29, -247, 0, |
| 199 |
-38, 0, 0, 22, 0, -38, -38, -38, -38, -38, |
| 200 |
-38, -38, 0, -29, 0, 51, 60, -20, -20, 0, |
| 201 |
0, 0, |
| 202 |
}; |
| 203 |
static const YYINT calc_rindex[] = { 0, |
| 204 |
0, 0, 0, 2, 0, 0, 0, 9, -9, 0, |
| 205 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 206 |
0, 0, 0, 10, 0, -6, 14, 5, 13, 0, |
| 207 |
0, 0, |
| 208 |
}; |
| 209 |
#if YYBTYACC |
| 210 |
static const YYINT calc_cindex[] = { 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, |
| 215 |
}; |
| 216 |
#endif |
| 217 |
static const YYINT calc_gindex[] = { 0, |
| 218 |
0, 65, 0, |
| 219 |
}; |
| 220 |
#define YYTABLESIZE 220 |
| 221 |
static const YYINT calc_table[] = { 6, |
| 222 |
16, 6, 10, 13, 5, 11, 5, 22, 17, 23, |
| 223 |
15, 15, 20, 18, 7, 19, 22, 21, 4, 5, |
| 224 |
0, 20, 8, 12, 0, 0, 21, 16, 16, 0, |
| 225 |
0, 16, 16, 16, 13, 16, 0, 16, 15, 15, |
| 226 |
0, 0, 7, 15, 15, 7, 15, 7, 15, 7, |
| 227 |
8, 12, 0, 8, 12, 8, 0, 8, 22, 17, |
| 228 |
0, 0, 25, 20, 18, 0, 19, 0, 21, 13, |
| 229 |
14, 0, 0, 0, 0, 24, 0, 0, 0, 0, |
| 230 |
26, 27, 28, 29, 30, 31, 32, 22, 17, 0, |
| 231 |
0, 0, 20, 18, 16, 19, 22, 21, 0, 0, |
| 232 |
0, 20, 18, 0, 19, 0, 21, 0, 0, 0, |
| 233 |
0, 0, 0, 0, 16, 0, 0, 13, 0, 0, |
| 234 |
0, 0, 0, 0, 0, 15, 0, 0, 7, 0, |
| 235 |
0, 0, 0, 0, 0, 0, 8, 12, 0, 0, |
| 236 |
0, 0, 0, 0, 0, 16, 0, 0, 0, 0, |
| 237 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 238 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 239 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 240 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 241 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 242 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 243 |
0, 0, 0, 0, 0, 2, 3, 4, 3, 12, |
| 244 |
}; |
| 245 |
static const YYINT calc_check[] = { 40, |
| 246 |
10, 40, 10, 10, 45, 61, 45, 37, 38, 257, |
| 247 |
10, 10, 42, 43, 10, 45, 37, 47, 10, 10, |
| 248 |
-1, 42, 10, 10, -1, -1, 47, 37, 38, -1, |
| 249 |
-1, 41, 42, 43, 41, 45, -1, 47, 37, 38, |
| 250 |
-1, -1, 38, 42, 43, 41, 45, 43, 47, 45, |
| 251 |
38, 38, -1, 41, 41, 43, -1, 45, 37, 38, |
| 252 |
-1, -1, 41, 42, 43, -1, 45, -1, 47, 5, |
| 253 |
6, -1, -1, -1, -1, 11, -1, -1, -1, -1, |
| 254 |
16, 17, 18, 19, 20, 21, 22, 37, 38, -1, |
| 255 |
-1, -1, 42, 43, 124, 45, 37, 47, -1, -1, |
| 256 |
-1, 42, 43, -1, 45, -1, 47, -1, -1, -1, |
| 257 |
-1, -1, -1, -1, 124, -1, -1, 124, -1, -1, |
| 258 |
-1, -1, -1, -1, -1, 124, -1, -1, 124, -1, |
| 259 |
-1, -1, -1, -1, -1, -1, 124, 124, -1, -1, |
| 260 |
-1, -1, -1, -1, -1, 124, -1, -1, -1, -1, |
| 261 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 262 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 263 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 264 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 265 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 266 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 267 |
-1, -1, -1, -1, -1, 256, 257, 258, 257, 258, |
| 268 |
}; |
| 269 |
#if YYBTYACC |
| 270 |
static const YYINT calc_ctable[] = { -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, -1, -1, -1, -1, -1, |
| 275 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 276 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 277 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 278 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 279 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 280 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 281 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 282 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 283 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 284 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 285 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 286 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 287 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 288 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 289 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 290 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 291 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 292 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 293 |
}; |
| 294 |
#endif |
| 295 |
#define YYFINAL 1 |
| 296 |
#ifndef YYDEBUG |
| 297 |
#define YYDEBUG 0 |
| 298 |
#endif |
| 299 |
#define YYMAXTOKEN 259 |
| 300 |
#define YYUNDFTOKEN 265 |
| 301 |
#define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a)) |
| 302 |
#if YYDEBUG |
| 303 |
static const char *const calc_name[] = { |
| 304 |
|
| 305 |
"$end",0,0,0,0,0,0,0,0,0,"'\\n'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 306 |
0,0,0,"'%'","'&'",0,"'('","')'","'*'","'+'",0,"'-'",0,"'/'",0,0,0,0,0,0,0,0,0,0, |
| 307 |
0,0,0,"'='",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 308 |
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'|'",0,0,0,0,0,0,0,0,0, |
| 309 |
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 310 |
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 311 |
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 312 |
0,0,"error","DIGIT","LETTER","UMINUS","$accept","list","stat","expr","number", |
| 313 |
"illegal-symbol", |
| 314 |
}; |
| 315 |
static const char *const calc_rule[] = { |
| 316 |
"$accept : list", |
| 317 |
"list :", |
| 318 |
"list : list stat '\\n'", |
| 319 |
"list : list error '\\n'", |
| 320 |
"stat : expr", |
| 321 |
"stat : LETTER '=' expr", |
| 322 |
"expr : '(' expr ')'", |
| 323 |
"expr : expr '+' expr", |
| 324 |
"expr : expr '-' expr", |
| 325 |
"expr : expr '*' expr", |
| 326 |
"expr : expr '/' expr", |
| 327 |
"expr : expr '%' expr", |
| 328 |
"expr : expr '&' expr", |
| 329 |
"expr : expr '|' expr", |
| 330 |
"expr : '-' expr", |
| 331 |
"expr : LETTER", |
| 332 |
"expr : number", |
| 333 |
"number : DIGIT", |
| 334 |
"number : number DIGIT", |
| 335 |
|
| 336 |
}; |
| 337 |
#endif |
| 338 |
|
| 339 |
int yydebug; |
| 340 |
int yynerrs; |
| 341 |
|
| 342 |
int yyerrflag; |
| 343 |
int yychar; |
| 344 |
YYSTYPE yyval; |
| 345 |
YYSTYPE yylval; |
| 346 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 347 |
YYLTYPE yyloc; /* position returned by actions */ |
| 348 |
YYLTYPE yylloc; /* position from the lexer */ |
| 349 |
#endif |
| 350 |
|
| 351 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 352 |
#ifndef YYLLOC_DEFAULT |
| 353 |
#define YYLLOC_DEFAULT(loc, rhs, n) \ |
| 354 |
do \ |
| 355 |
{ \ |
| 356 |
if (n == 0) \ |
| 357 |
{ \ |
| 358 |
(loc).first_line = ((rhs)[-1]).last_line; \ |
| 359 |
(loc).first_column = ((rhs)[-1]).last_column; \ |
| 360 |
(loc).last_line = ((rhs)[-1]).last_line; \ |
| 361 |
(loc).last_column = ((rhs)[-1]).last_column; \ |
| 362 |
} \ |
| 363 |
else \ |
| 364 |
{ \ |
| 365 |
(loc).first_line = ((rhs)[ 0 ]).first_line; \ |
| 366 |
(loc).first_column = ((rhs)[ 0 ]).first_column; \ |
| 367 |
(loc).last_line = ((rhs)[n-1]).last_line; \ |
| 368 |
(loc).last_column = ((rhs)[n-1]).last_column; \ |
| 369 |
} \ |
| 370 |
} while (0) |
| 371 |
#endif /* YYLLOC_DEFAULT */ |
| 372 |
#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ |
| 373 |
#if YYBTYACC |
| 374 |
|
| 375 |
#ifndef YYLVQUEUEGROWTH |
| 376 |
#define YYLVQUEUEGROWTH 32 |
| 377 |
#endif |
| 378 |
#endif /* YYBTYACC */ |
| 379 |
|
| 380 |
/* define the initial stack-sizes */ |
| 381 |
#ifdef YYSTACKSIZE |
| 382 |
#undef YYMAXDEPTH |
| 383 |
#define YYMAXDEPTH YYSTACKSIZE |
| 384 |
#else |
| 385 |
#ifdef YYMAXDEPTH |
| 386 |
#define YYSTACKSIZE YYMAXDEPTH |
| 387 |
#else |
| 388 |
#define YYSTACKSIZE 10000 |
| 389 |
#define YYMAXDEPTH 10000 |
| 390 |
#endif |
| 391 |
#endif |
| 392 |
|
| 393 |
#ifndef YYINITSTACKSIZE |
| 394 |
#define YYINITSTACKSIZE 200 |
| 395 |
#endif |
| 396 |
|
| 397 |
typedef struct { |
| 398 |
unsigned stacksize; |
| 399 |
short *s_base; |
| 400 |
short *s_mark; |
| 401 |
short *s_last; |
| 402 |
YYSTYPE *l_base; |
| 403 |
YYSTYPE *l_mark; |
| 404 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 405 |
YYLTYPE *p_base; |
| 406 |
YYLTYPE *p_mark; |
| 407 |
#endif |
| 408 |
} YYSTACKDATA; |
| 409 |
#if YYBTYACC |
| 410 |
|
| 411 |
struct YYParseState_s |
| 412 |
{ |
| 413 |
struct YYParseState_s *save; /* Previously saved parser state */ |
| 414 |
YYSTACKDATA yystack; /* saved parser stack */ |
| 415 |
int state; /* saved parser state */ |
| 416 |
int errflag; /* saved error recovery status */ |
| 417 |
int lexeme; /* saved index of the conflict lexeme in the lexical queue */ |
| 418 |
YYINT ctry; /* saved index in yyctable[] for this conflict */ |
| 419 |
}; |
| 420 |
typedef struct YYParseState_s YYParseState; |
| 421 |
#endif /* YYBTYACC */ |
| 422 |
/* variables for the parser stack */ |
| 423 |
static YYSTACKDATA yystack; |
| 424 |
#if YYBTYACC |
| 425 |
|
| 426 |
/* Current parser state */ |
| 427 |
static YYParseState *yyps = 0; |
| 428 |
|
| 429 |
/* yypath != NULL: do the full parse, starting at *yypath parser state. */ |
| 430 |
static YYParseState *yypath = 0; |
| 431 |
|
| 432 |
/* Base of the lexical value queue */ |
| 433 |
static YYSTYPE *yylvals = 0; |
| 434 |
|
| 435 |
/* Current position at lexical value queue */ |
| 436 |
static YYSTYPE *yylvp = 0; |
| 437 |
|
| 438 |
/* End position of lexical value queue */ |
| 439 |
static YYSTYPE *yylve = 0; |
| 440 |
|
| 441 |
/* The last allocated position at the lexical value queue */ |
| 442 |
static YYSTYPE *yylvlim = 0; |
| 443 |
|
| 444 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 445 |
/* Base of the lexical position queue */ |
| 446 |
static YYLTYPE *yylpsns = 0; |
| 447 |
|
| 448 |
/* Current position at lexical position queue */ |
| 449 |
static YYLTYPE *yylpp = 0; |
| 450 |
|
| 451 |
/* End position of lexical position queue */ |
| 452 |
static YYLTYPE *yylpe = 0; |
| 453 |
|
| 454 |
/* The last allocated position at the lexical position queue */ |
| 455 |
static YYLTYPE *yylplim = 0; |
| 456 |
#endif |
| 457 |
|
| 458 |
/* Current position at lexical token queue */ |
| 459 |
static short *yylexp = 0; |
| 460 |
|
| 461 |
static short *yylexemes = 0; |
| 462 |
#endif /* YYBTYACC */ |
| 463 |
#line 66 "calc.y" |
| 464 |
/* start of programs */ |
| 465 |
|
| 466 |
int |
| 467 |
main (void) |
| 468 |
{ |
| 469 |
while(!feof(stdin)) { |
| 470 |
yyparse(); |
| 471 |
} |
| 472 |
return 0; |
| 473 |
} |
| 474 |
|
| 475 |
static void |
| 476 |
yyerror(const char *s) |
| 477 |
{ |
| 478 |
fprintf(stderr, "%s\n", s); |
| 479 |
} |
| 480 |
|
| 481 |
int |
| 482 |
yylex(void) |
| 483 |
{ |
| 484 |
/* lexical analysis routine */ |
| 485 |
/* returns LETTER for a lower case letter, yylval = 0 through 25 */ |
| 486 |
/* return DIGIT for a digit, yylval = 0 through 9 */ |
| 487 |
/* all other characters are returned immediately */ |
| 488 |
|
| 489 |
int c; |
| 490 |
|
| 491 |
while( (c=getchar()) == ' ' ) { /* skip blanks */ } |
| 492 |
|
| 493 |
/* c is now nonblank */ |
| 494 |
|
| 495 |
if( islower( c )) { |
| 496 |
yylval = c - 'a'; |
| 497 |
return ( LETTER ); |
| 498 |
} |
| 499 |
if( isdigit( c )) { |
| 500 |
yylval = c - '0'; |
| 501 |
return ( DIGIT ); |
| 502 |
} |
| 503 |
return( c ); |
| 504 |
} |
| 505 |
#line 506 "calc.tab.c" |
| 506 |
|
| 507 |
/* For use in generated program */ |
| 508 |
#define yydepth (int)(yystack.s_mark - yystack.s_base) |
| 509 |
#if YYBTYACC |
| 510 |
#define yytrial (yyps->save) |
| 511 |
#endif /* YYBTYACC */ |
| 512 |
|
| 513 |
#if YYDEBUG |
| 514 |
#include <stdio.h> /* needed for printf */ |
| 515 |
#endif |
| 516 |
|
| 517 |
#include <stdlib.h> /* needed for malloc, etc */ |
| 518 |
#include <string.h> /* needed for memset */ |
| 519 |
|
| 520 |
/* allocate initial stack or double stack size, up to YYMAXDEPTH */ |
| 521 |
static int yygrowstack(YYSTACKDATA *data) |
| 522 |
{ |
| 523 |
int i; |
| 524 |
unsigned newsize; |
| 525 |
short *newss; |
| 526 |
YYSTYPE *newvs; |
| 527 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 528 |
YYLTYPE *newps; |
| 529 |
#endif |
| 530 |
|
| 531 |
if ((newsize = data->stacksize) == 0) |
| 532 |
newsize = YYINITSTACKSIZE; |
| 533 |
else if (newsize >= YYMAXDEPTH) |
| 534 |
return YYENOMEM; |
| 535 |
else if ((newsize *= 2) > YYMAXDEPTH) |
| 536 |
newsize = YYMAXDEPTH; |
| 537 |
|
| 538 |
i = (int) (data->s_mark - data->s_base); |
| 539 |
newss = (short *)realloc(data->s_base, newsize * sizeof(*newss)); |
| 540 |
if (newss == 0) |
| 541 |
return YYENOMEM; |
| 542 |
|
| 543 |
data->s_base = newss; |
| 544 |
data->s_mark = newss + i; |
| 545 |
|
| 546 |
newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs)); |
| 547 |
if (newvs == 0) |
| 548 |
return YYENOMEM; |
| 549 |
|
| 550 |
data->l_base = newvs; |
| 551 |
data->l_mark = newvs + i; |
| 552 |
|
| 553 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 554 |
newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps)); |
| 555 |
if (newps == 0) |
| 556 |
return YYENOMEM; |
| 557 |
|
| 558 |
data->p_base = newps; |
| 559 |
data->p_mark = newps + i; |
| 560 |
#endif |
| 561 |
|
| 562 |
data->stacksize = newsize; |
| 563 |
data->s_last = data->s_base + newsize - 1; |
| 564 |
|
| 565 |
#if YYDEBUG |
| 566 |
if (yydebug) |
| 567 |
fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize); |
| 568 |
#endif |
| 569 |
return 0; |
| 570 |
} |
| 571 |
|
| 572 |
#if YYPURE || defined(YY_NO_LEAKS) |
| 573 |
static void yyfreestack(YYSTACKDATA *data) |
| 574 |
{ |
| 575 |
free(data->s_base); |
| 576 |
free(data->l_base); |
| 577 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 578 |
free(data->p_base); |
| 579 |
#endif |
| 580 |
memset(data, 0, sizeof(*data)); |
| 581 |
} |
| 582 |
#else |
| 583 |
#define yyfreestack(data) /* nothing */ |
| 584 |
#endif /* YYPURE || defined(YY_NO_LEAKS) */ |
| 585 |
#if YYBTYACC |
| 586 |
|
| 587 |
static YYParseState * |
| 588 |
yyNewState(unsigned size) |
| 589 |
{ |
| 590 |
YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState)); |
| 591 |
if (p == NULL) return NULL; |
| 592 |
|
| 593 |
p->yystack.stacksize = size; |
| 594 |
if (size == 0) |
| 595 |
{ |
| 596 |
p->yystack.s_base = NULL; |
| 597 |
p->yystack.l_base = NULL; |
| 598 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 599 |
p->yystack.p_base = NULL; |
| 600 |
#endif |
| 601 |
return p; |
| 602 |
} |
| 603 |
p->yystack.s_base = (short *) malloc(size * sizeof(short)); |
| 604 |
if (p->yystack.s_base == NULL) return NULL; |
| 605 |
p->yystack.l_base = (YYSTYPE *) malloc(size * sizeof(YYSTYPE)); |
| 606 |
if (p->yystack.l_base == NULL) return NULL; |
| 607 |
memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE)); |
| 608 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 609 |
p->yystack.p_base = (YYLTYPE *) malloc(size * sizeof(YYLTYPE)); |
| 610 |
if (p->yystack.p_base == NULL) return NULL; |
| 611 |
memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE)); |
| 612 |
#endif |
| 613 |
|
| 614 |
return p; |
| 615 |
} |
| 616 |
|
| 617 |
static void |
| 618 |
yyFreeState(YYParseState *p) |
| 619 |
{ |
| 620 |
yyfreestack(&p->yystack); |
| 621 |
free(p); |
| 622 |
} |
| 623 |
#endif /* YYBTYACC */ |
| 624 |
|
| 625 |
#define YYABORT goto yyabort |
| 626 |
#define YYREJECT goto yyabort |
| 627 |
#define YYACCEPT goto yyaccept |
| 628 |
#define YYERROR goto yyerrlab |
| 629 |
#if YYBTYACC |
| 630 |
#define YYVALID do { if (yyps->save) goto yyvalid; } while(0) |
| 631 |
#define YYVALID_NESTED do { if (yyps->save && \ |
| 632 |
yyps->save->save == 0) goto yyvalid; } while(0) |
| 633 |
#endif /* YYBTYACC */ |
| 634 |
|
| 635 |
int |
| 636 |
YYPARSE_DECL() |
| 637 |
{ |
| 638 |
int yym, yyn, yystate, yyresult; |
| 639 |
#if YYBTYACC |
| 640 |
int yynewerrflag; |
| 641 |
YYParseState *yyerrctx = NULL; |
| 642 |
#endif /* YYBTYACC */ |
| 643 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 644 |
YYLTYPE yyerror_loc_range[2]; /* position of error start & end */ |
| 645 |
#endif |
| 646 |
#if YYDEBUG |
| 647 |
const char *yys; |
| 648 |
|
| 649 |
if ((yys = getenv("YYDEBUG")) != 0) |
| 650 |
{ |
| 651 |
yyn = *yys; |
| 652 |
if (yyn >= '0' && yyn <= '9') |
| 653 |
yydebug = yyn - '0'; |
| 654 |
} |
| 655 |
if (yydebug) |
| 656 |
fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX); |
| 657 |
#endif |
| 658 |
|
| 659 |
#if YYBTYACC |
| 660 |
yyps = yyNewState(0); if (yyps == 0) goto yyenomem; |
| 661 |
yyps->save = 0; |
| 662 |
#endif /* YYBTYACC */ |
| 663 |
yynerrs = 0; |
| 664 |
yyerrflag = 0; |
| 665 |
yychar = YYEMPTY; |
| 666 |
yystate = 0; |
| 667 |
|
| 668 |
#if YYPURE |
| 669 |
memset(&yystack, 0, sizeof(yystack)); |
| 670 |
#endif |
| 671 |
|
| 672 |
if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; |
| 673 |
yystack.s_mark = yystack.s_base; |
| 674 |
yystack.l_mark = yystack.l_base; |
| 675 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 676 |
yystack.p_mark = yystack.p_base; |
| 677 |
#endif |
| 678 |
yystate = 0; |
| 679 |
*yystack.s_mark = 0; |
| 680 |
|
| 681 |
yyloop: |
| 682 |
if ((yyn = yydefred[yystate]) != 0) goto yyreduce; |
| 683 |
if (yychar < 0) |
| 684 |
{ |
| 685 |
#if YYBTYACC |
| 686 |
do { |
| 687 |
if (yylvp < yylve) |
| 688 |
{ |
| 689 |
/* we're currently re-reading tokens */ |
| 690 |
yylval = *yylvp++; |
| 691 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 692 |
yylloc = *yylpp++; |
| 693 |
#endif |
| 694 |
yychar = *yylexp++; |
| 695 |
break; |
| 696 |
} |
| 697 |
if (yyps->save) |
| 698 |
{ |
| 699 |
/* in trial mode; save scanner results for future parse attempts */ |
| 700 |
if (yylvp == yylvlim) |
| 701 |
{ /* Enlarge lexical value queue */ |
| 702 |
size_t p = (size_t) (yylvp - yylvals); |
| 703 |
size_t s = (size_t) (yylvlim - yylvals); |
| 704 |
|
| 705 |
s += YYLVQUEUEGROWTH; |
| 706 |
if ((yylexemes = (short *) realloc(yylexemes, s * sizeof(short))) == NULL) goto yyenomem; |
| 707 |
if ((yylvals = (YYSTYPE *) realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem; |
| 708 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 709 |
if ((yylpsns = (YYLTYPE *) realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem; |
| 710 |
#endif |
| 711 |
yylvp = yylve = yylvals + p; |
| 712 |
yylvlim = yylvals + s; |
| 713 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 714 |
yylpp = yylpe = yylpsns + p; |
| 715 |
yylplim = yylpsns + s; |
| 716 |
#endif |
| 717 |
yylexp = yylexemes + p; |
| 718 |
} |
| 719 |
*yylexp = (short) YYLEX; |
| 720 |
*yylvp++ = yylval; |
| 721 |
yylve++; |
| 722 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 723 |
*yylpp++ = yylloc; |
| 724 |
yylpe++; |
| 725 |
#endif |
| 726 |
yychar = *yylexp++; |
| 727 |
break; |
| 728 |
} |
| 729 |
/* normal operation, no conflict encountered */ |
| 730 |
#endif /* YYBTYACC */ |
| 731 |
yychar = YYLEX; |
| 732 |
#if YYBTYACC |
| 733 |
} while (0); |
| 734 |
#endif /* YYBTYACC */ |
| 735 |
if (yychar < 0) yychar = YYEOF; |
| 736 |
/* if ((yychar = YYLEX) < 0) yychar = YYEOF; */ |
| 737 |
#if YYDEBUG |
| 738 |
if (yydebug) |
| 739 |
{ |
| 740 |
yys = yyname[YYTRANSLATE(yychar)]; |
| 741 |
fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)", |
| 742 |
YYDEBUGSTR, yydepth, yystate, yychar, yys); |
| 743 |
#ifdef YYSTYPE_TOSTRING |
| 744 |
#if YYBTYACC |
| 745 |
if (!yytrial) |
| 746 |
#endif /* YYBTYACC */ |
| 747 |
fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval)); |
| 748 |
#endif |
| 749 |
fputc('\n', stderr); |
| 750 |
} |
| 751 |
#endif |
| 752 |
} |
| 753 |
#if YYBTYACC |
| 754 |
|
| 755 |
/* Do we have a conflict? */ |
| 756 |
if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 && |
| 757 |
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) |
| 758 |
{ |
| 759 |
YYINT ctry; |
| 760 |
|
| 761 |
if (yypath) |
| 762 |
{ |
| 763 |
YYParseState *save; |
| 764 |
#if YYDEBUG |
| 765 |
if (yydebug) |
| 766 |
fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n", |
| 767 |
YYDEBUGSTR, yydepth, yystate); |
| 768 |
#endif |
| 769 |
/* Switch to the next conflict context */ |
| 770 |
save = yypath; |
| 771 |
yypath = save->save; |
| 772 |
save->save = NULL; |
| 773 |
ctry = save->ctry; |
| 774 |
if (save->state != yystate) YYABORT; |
| 775 |
yyFreeState(save); |
| 776 |
|
| 777 |
} |
| 778 |
else |
| 779 |
{ |
| 780 |
|
| 781 |
/* Unresolved conflict - start/continue trial parse */ |
| 782 |
YYParseState *save; |
| 783 |
#if YYDEBUG |
| 784 |
if (yydebug) |
| 785 |
{ |
| 786 |
fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate); |
| 787 |
if (yyps->save) |
| 788 |
fputs("ALREADY in conflict, continuing trial parse.\n", stderr); |
| 789 |
else |
| 790 |
fputs("Starting trial parse.\n", stderr); |
| 791 |
} |
| 792 |
#endif |
| 793 |
save = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1)); |
| 794 |
if (save == NULL) goto yyenomem; |
| 795 |
save->save = yyps->save; |
| 796 |
save->state = yystate; |
| 797 |
save->errflag = yyerrflag; |
| 798 |
save->yystack.s_mark = save->yystack.s_base + (yystack.s_mark - yystack.s_base); |
| 799 |
memcpy (save->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(short)); |
| 800 |
save->yystack.l_mark = save->yystack.l_base + (yystack.l_mark - yystack.l_base); |
| 801 |
memcpy (save->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); |
| 802 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 803 |
save->yystack.p_mark = save->yystack.p_base + (yystack.p_mark - yystack.p_base); |
| 804 |
memcpy (save->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); |
| 805 |
#endif |
| 806 |
ctry = yytable[yyn]; |
| 807 |
if (yyctable[ctry] == -1) |
| 808 |
{ |
| 809 |
#if YYDEBUG |
| 810 |
if (yydebug && yychar >= YYEOF) |
| 811 |
fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth); |
| 812 |
#endif |
| 813 |
ctry++; |
| 814 |
} |
| 815 |
save->ctry = ctry; |
| 816 |
if (yyps->save == NULL) |
| 817 |
{ |
| 818 |
/* If this is a first conflict in the stack, start saving lexemes */ |
| 819 |
if (!yylexemes) |
| 820 |
{ |
| 821 |
yylexemes = (short *) malloc((YYLVQUEUEGROWTH) * sizeof(short)); |
| 822 |
if (yylexemes == NULL) goto yyenomem; |
| 823 |
yylvals = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE)); |
| 824 |
if (yylvals == NULL) goto yyenomem; |
| 825 |
yylvlim = yylvals + YYLVQUEUEGROWTH; |
| 826 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 827 |
yylpsns = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE)); |
| 828 |
if (yylpsns == NULL) goto yyenomem; |
| 829 |
yylplim = yylpsns + YYLVQUEUEGROWTH; |
| 830 |
#endif |
| 831 |
} |
| 832 |
if (yylvp == yylve) |
| 833 |
{ |
| 834 |
yylvp = yylve = yylvals; |
| 835 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 836 |
yylpp = yylpe = yylpsns; |
| 837 |
#endif |
| 838 |
yylexp = yylexemes; |
| 839 |
if (yychar >= YYEOF) |
| 840 |
{ |
| 841 |
*yylve++ = yylval; |
| 842 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 843 |
*yylpe++ = yylloc; |
| 844 |
#endif |
| 845 |
*yylexp = (short) yychar; |
| 846 |
yychar = YYEMPTY; |
| 847 |
} |
| 848 |
} |
| 849 |
} |
| 850 |
if (yychar >= YYEOF) |
| 851 |
{ |
| 852 |
yylvp--; |
| 853 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 854 |
yylpp--; |
| 855 |
#endif |
| 856 |
yylexp--; |
| 857 |
yychar = YYEMPTY; |
| 858 |
} |
| 859 |
save->lexeme = (int) (yylvp - yylvals); |
| 860 |
yyps->save = save; |
| 861 |
} |
| 862 |
if (yytable[yyn] == ctry) |
| 863 |
{ |
| 864 |
#if YYDEBUG |
| 865 |
if (yydebug) |
| 866 |
fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n", |
| 867 |
YYDEBUGSTR, yydepth, yystate, yyctable[ctry]); |
| 868 |
#endif |
| 869 |
if (yychar < 0) |
| 870 |
{ |
| 871 |
yylvp++; |
| 872 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 873 |
yylpp++; |
| 874 |
#endif |
| 875 |
yylexp++; |
| 876 |
} |
| 877 |
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) |
| 878 |
goto yyoverflow; |
| 879 |
yystate = yyctable[ctry]; |
| 880 |
*++yystack.s_mark = (short) yystate; |
| 881 |
*++yystack.l_mark = yylval; |
| 882 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 883 |
*++yystack.p_mark = yylloc; |
| 884 |
#endif |
| 885 |
yychar = YYEMPTY; |
| 886 |
if (yyerrflag > 0) --yyerrflag; |
| 887 |
goto yyloop; |
| 888 |
} |
| 889 |
else |
| 890 |
{ |
| 891 |
yyn = yyctable[ctry]; |
| 892 |
goto yyreduce; |
| 893 |
} |
| 894 |
} /* End of code dealing with conflicts */ |
| 895 |
#endif /* YYBTYACC */ |
| 896 |
if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 && |
| 897 |
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) |
| 898 |
{ |
| 899 |
#if YYDEBUG |
| 900 |
if (yydebug) |
| 901 |
fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n", |
| 902 |
YYDEBUGSTR, yydepth, yystate, yytable[yyn]); |
| 903 |
#endif |
| 904 |
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; |
| 905 |
yystate = yytable[yyn]; |
| 906 |
*++yystack.s_mark = yytable[yyn]; |
| 907 |
*++yystack.l_mark = yylval; |
| 908 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 909 |
*++yystack.p_mark = yylloc; |
| 910 |
#endif |
| 911 |
yychar = YYEMPTY; |
| 912 |
if (yyerrflag > 0) --yyerrflag; |
| 913 |
goto yyloop; |
| 914 |
} |
| 915 |
if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 && |
| 916 |
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) |
| 917 |
{ |
| 918 |
yyn = yytable[yyn]; |
| 919 |
goto yyreduce; |
| 920 |
} |
| 921 |
if (yyerrflag != 0) goto yyinrecovery; |
| 922 |
#if YYBTYACC |
| 923 |
|
| 924 |
yynewerrflag = 1; |
| 925 |
goto yyerrhandler; |
| 926 |
goto yyerrlab; |
| 927 |
|
| 928 |
yyerrlab: |
| 929 |
yynewerrflag = 0; |
| 930 |
yyerrhandler: |
| 931 |
while (yyps->save) |
| 932 |
{ |
| 933 |
int ctry; |
| 934 |
YYParseState *save = yyps->save; |
| 935 |
#if YYDEBUG |
| 936 |
if (yydebug) |
| 937 |
fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n", |
| 938 |
YYDEBUGSTR, yydepth, yystate, yyps->save->state, |
| 939 |
(int)(yylvp - yylvals - yyps->save->lexeme)); |
| 940 |
#endif |
| 941 |
/* Memorize most forward-looking error state in case it's really an error. */ |
| 942 |
if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals) |
| 943 |
{ |
| 944 |
/* Free old saved error context state */ |
| 945 |
if (yyerrctx) yyFreeState(yyerrctx); |
| 946 |
/* Create and fill out new saved error context state */ |
| 947 |
yyerrctx = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1)); |
| 948 |
if (yyerrctx == NULL) goto yyenomem; |
| 949 |
yyerrctx->save = yyps->save; |
| 950 |
yyerrctx->state = yystate; |
| 951 |
yyerrctx->errflag = yyerrflag; |
| 952 |
yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base); |
| 953 |
memcpy (yyerrctx->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(short)); |
| 954 |
yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base); |
| 955 |
memcpy (yyerrctx->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); |
| 956 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 957 |
yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base); |
| 958 |
memcpy (yyerrctx->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); |
| 959 |
#endif |
| 960 |
yyerrctx->lexeme = (int) (yylvp - yylvals); |
| 961 |
} |
| 962 |
yylvp = yylvals + save->lexeme; |
| 963 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 964 |
yylpp = yylpsns + save->lexeme; |
| 965 |
#endif |
| 966 |
yylexp = yylexemes + save->lexeme; |
| 967 |
yychar = YYEMPTY; |
| 968 |
yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base); |
| 969 |
memcpy (yystack.s_base, save->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(short)); |
| 970 |
yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base); |
| 971 |
memcpy (yystack.l_base, save->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); |
| 972 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 973 |
yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base); |
| 974 |
memcpy (yystack.p_base, save->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); |
| 975 |
#endif |
| 976 |
ctry = ++save->ctry; |
| 977 |
yystate = save->state; |
| 978 |
/* We tried shift, try reduce now */ |
| 979 |
if ((yyn = yyctable[ctry]) >= 0) goto yyreduce; |
| 980 |
yyps->save = save->save; |
| 981 |
save->save = NULL; |
| 982 |
yyFreeState(save); |
| 983 |
|
| 984 |
/* Nothing left on the stack -- error */ |
| 985 |
if (!yyps->save) |
| 986 |
{ |
| 987 |
#if YYDEBUG |
| 988 |
if (yydebug) |
| 989 |
fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n", |
| 990 |
YYPREFIX, yydepth); |
| 991 |
#endif |
| 992 |
/* Restore state as it was in the most forward-advanced error */ |
| 993 |
yylvp = yylvals + yyerrctx->lexeme; |
| 994 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 995 |
yylpp = yylpsns + yyerrctx->lexeme; |
| 996 |
#endif |
| 997 |
yylexp = yylexemes + yyerrctx->lexeme; |
| 998 |
yychar = yylexp[-1]; |
| 999 |
yylval = yylvp[-1]; |
| 1000 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1001 |
yylloc = yylpp[-1]; |
| 1002 |
#endif |
| 1003 |
yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base); |
| 1004 |
memcpy (yystack.s_base, yyerrctx->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(short)); |
| 1005 |
yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base); |
| 1006 |
memcpy (yystack.l_base, yyerrctx->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); |
| 1007 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1008 |
yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base); |
| 1009 |
memcpy (yystack.p_base, yyerrctx->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); |
| 1010 |
#endif |
| 1011 |
yystate = yyerrctx->state; |
| 1012 |
yyFreeState(yyerrctx); |
| 1013 |
yyerrctx = NULL; |
| 1014 |
} |
| 1015 |
yynewerrflag = 1; |
| 1016 |
} |
| 1017 |
if (yynewerrflag == 0) goto yyinrecovery; |
| 1018 |
#endif /* YYBTYACC */ |
| 1019 |
|
| 1020 |
YYERROR_CALL("syntax error"); |
| 1021 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1022 |
yyerror_loc_range[0] = yylloc; /* lookahead position is error start position */ |
| 1023 |
#endif |
| 1024 |
|
| 1025 |
#if !YYBTYACC |
| 1026 |
goto yyerrlab; |
| 1027 |
yyerrlab: |
| 1028 |
#endif |
| 1029 |
++yynerrs; |
| 1030 |
|
| 1031 |
yyinrecovery: |
| 1032 |
if (yyerrflag < 3) |
| 1033 |
{ |
| 1034 |
yyerrflag = 3; |
| 1035 |
for (;;) |
| 1036 |
{ |
| 1037 |
if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 && |
| 1038 |
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE) |
| 1039 |
{ |
| 1040 |
#if YYDEBUG |
| 1041 |
if (yydebug) |
| 1042 |
fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n", |
| 1043 |
YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]); |
| 1044 |
#endif |
| 1045 |
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; |
| 1046 |
yystate = yytable[yyn]; |
| 1047 |
*++yystack.s_mark = yytable[yyn]; |
| 1048 |
*++yystack.l_mark = yylval; |
| 1049 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1050 |
/* lookahead position is error end position */ |
| 1051 |
yyerror_loc_range[1] = yylloc; |
| 1052 |
YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */ |
| 1053 |
*++yystack.p_mark = yyloc; |
| 1054 |
#endif |
| 1055 |
goto yyloop; |
| 1056 |
} |
| 1057 |
else |
| 1058 |
{ |
| 1059 |
#if YYDEBUG |
| 1060 |
if (yydebug) |
| 1061 |
fprintf(stderr, "%s[%d]: error recovery discarding state %d\n", |
| 1062 |
YYDEBUGSTR, yydepth, *yystack.s_mark); |
| 1063 |
#endif |
| 1064 |
if (yystack.s_mark <= yystack.s_base) goto yyabort; |
| 1065 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1066 |
/* the current TOS position is the error start position */ |
| 1067 |
yyerror_loc_range[0] = *yystack.p_mark; |
| 1068 |
#endif |
| 1069 |
#if defined(YYDESTRUCT_CALL) |
| 1070 |
#if YYBTYACC |
| 1071 |
if (!yytrial) |
| 1072 |
#endif /* YYBTYACC */ |
| 1073 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1074 |
YYDESTRUCT_CALL("error: discarding state", |
| 1075 |
yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark); |
| 1076 |
#else |
| 1077 |
YYDESTRUCT_CALL("error: discarding state", |
| 1078 |
yystos[*yystack.s_mark], yystack.l_mark); |
| 1079 |
#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ |
| 1080 |
#endif /* defined(YYDESTRUCT_CALL) */ |
| 1081 |
--yystack.s_mark; |
| 1082 |
--yystack.l_mark; |
| 1083 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1084 |
--yystack.p_mark; |
| 1085 |
#endif |
| 1086 |
} |
| 1087 |
} |
| 1088 |
} |
| 1089 |
else |
| 1090 |
{ |
| 1091 |
if (yychar == YYEOF) goto yyabort; |
| 1092 |
#if YYDEBUG |
| 1093 |
if (yydebug) |
| 1094 |
{ |
| 1095 |
yys = yyname[YYTRANSLATE(yychar)]; |
| 1096 |
fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n", |
| 1097 |
YYDEBUGSTR, yydepth, yystate, yychar, yys); |
| 1098 |
} |
| 1099 |
#endif |
| 1100 |
#if defined(YYDESTRUCT_CALL) |
| 1101 |
#if YYBTYACC |
| 1102 |
if (!yytrial) |
| 1103 |
#endif /* YYBTYACC */ |
| 1104 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1105 |
YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc); |
| 1106 |
#else |
| 1107 |
YYDESTRUCT_CALL("error: discarding token", yychar, &yylval); |
| 1108 |
#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ |
| 1109 |
#endif /* defined(YYDESTRUCT_CALL) */ |
| 1110 |
yychar = YYEMPTY; |
| 1111 |
goto yyloop; |
| 1112 |
} |
| 1113 |
|
| 1114 |
yyreduce: |
| 1115 |
yym = yylen[yyn]; |
| 1116 |
#if YYDEBUG |
| 1117 |
if (yydebug) |
| 1118 |
{ |
| 1119 |
fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)", |
| 1120 |
YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]); |
| 1121 |
#ifdef YYSTYPE_TOSTRING |
| 1122 |
#if YYBTYACC |
| 1123 |
if (!yytrial) |
| 1124 |
#endif /* YYBTYACC */ |
| 1125 |
if (yym > 0) |
| 1126 |
{ |
| 1127 |
int i; |
| 1128 |
fputc('<', stderr); |
| 1129 |
for (i = yym; i > 0; i--) |
| 1130 |
{ |
| 1131 |
if (i != yym) fputs(", ", stderr); |
| 1132 |
fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]], |
| 1133 |
yystack.l_mark[1-i]), stderr); |
| 1134 |
} |
| 1135 |
fputc('>', stderr); |
| 1136 |
} |
| 1137 |
#endif |
| 1138 |
fputc('\n', stderr); |
| 1139 |
} |
| 1140 |
#endif |
| 1141 |
if (yym > 0) |
| 1142 |
yyval = yystack.l_mark[1-yym]; |
| 1143 |
else |
| 1144 |
memset(&yyval, 0, sizeof yyval); |
| 1145 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1146 |
|
| 1147 |
/* Perform position reduction */ |
| 1148 |
memset(&yyloc, 0, sizeof(yyloc)); |
| 1149 |
#if YYBTYACC |
| 1150 |
if (!yytrial) |
| 1151 |
#endif /* YYBTYACC */ |
| 1152 |
{ |
| 1153 |
YYLLOC_DEFAULT(yyloc, &yystack.p_mark[1-yym], yym); |
| 1154 |
/* just in case YYERROR is invoked within the action, save |
| 1155 |
the start of the rhs as the error start position */ |
| 1156 |
yyerror_loc_range[0] = yystack.p_mark[1-yym]; |
| 1157 |
} |
| 1158 |
#endif |
| 1159 |
|
| 1160 |
switch (yyn) |
| 1161 |
{ |
| 1162 |
case 3: |
| 1163 |
#line 28 "calc.y" |
| 1164 |
{ yyerrok ; } |
| 1165 |
break; |
| 1166 |
case 4: |
| 1167 |
#line 32 "calc.y" |
| 1168 |
{ printf("%d\n",yystack.l_mark[0]);} |
| 1169 |
break; |
| 1170 |
case 5: |
| 1171 |
#line 34 "calc.y" |
| 1172 |
{ regs[yystack.l_mark[-2]] = yystack.l_mark[0]; } |
| 1173 |
break; |
| 1174 |
case 6: |
| 1175 |
#line 38 "calc.y" |
| 1176 |
{ yyval = yystack.l_mark[-1]; } |
| 1177 |
break; |
| 1178 |
case 7: |
| 1179 |
#line 40 "calc.y" |
| 1180 |
{ yyval = yystack.l_mark[-2] + yystack.l_mark[0]; } |
| 1181 |
break; |
| 1182 |
case 8: |
| 1183 |
#line 42 "calc.y" |
| 1184 |
{ yyval = yystack.l_mark[-2] - yystack.l_mark[0]; } |
| 1185 |
break; |
| 1186 |
case 9: |
| 1187 |
#line 44 "calc.y" |
| 1188 |
{ yyval = yystack.l_mark[-2] * yystack.l_mark[0]; } |
| 1189 |
break; |
| 1190 |
case 10: |
| 1191 |
#line 46 "calc.y" |
| 1192 |
{ yyval = yystack.l_mark[-2] / yystack.l_mark[0]; } |
| 1193 |
break; |
| 1194 |
case 11: |
| 1195 |
#line 48 "calc.y" |
| 1196 |
{ yyval = yystack.l_mark[-2] % yystack.l_mark[0]; } |
| 1197 |
break; |
| 1198 |
case 12: |
| 1199 |
#line 50 "calc.y" |
| 1200 |
{ yyval = yystack.l_mark[-2] & yystack.l_mark[0]; } |
| 1201 |
break; |
| 1202 |
case 13: |
| 1203 |
#line 52 "calc.y" |
| 1204 |
{ yyval = yystack.l_mark[-2] | yystack.l_mark[0]; } |
| 1205 |
break; |
| 1206 |
case 14: |
| 1207 |
#line 54 "calc.y" |
| 1208 |
{ yyval = - yystack.l_mark[0]; } |
| 1209 |
break; |
| 1210 |
case 15: |
| 1211 |
#line 56 "calc.y" |
| 1212 |
{ yyval = regs[yystack.l_mark[0]]; } |
| 1213 |
break; |
| 1214 |
case 17: |
| 1215 |
#line 61 "calc.y" |
| 1216 |
{ yyval = yystack.l_mark[0]; base = (yystack.l_mark[0]==0) ? 8 : 10; } |
| 1217 |
break; |
| 1218 |
case 18: |
| 1219 |
#line 63 "calc.y" |
| 1220 |
{ yyval = base * yystack.l_mark[-1] + yystack.l_mark[0]; } |
| 1221 |
break; |
| 1222 |
#line 1223 "calc.tab.c" |
| 1223 |
default: |
| 1224 |
break; |
| 1225 |
} |
| 1226 |
yystack.s_mark -= yym; |
| 1227 |
yystate = *yystack.s_mark; |
| 1228 |
yystack.l_mark -= yym; |
| 1229 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1230 |
yystack.p_mark -= yym; |
| 1231 |
#endif |
| 1232 |
yym = yylhs[yyn]; |
| 1233 |
if (yystate == 0 && yym == 0) |
| 1234 |
{ |
| 1235 |
#if YYDEBUG |
| 1236 |
if (yydebug) |
| 1237 |
{ |
| 1238 |
fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth); |
| 1239 |
#ifdef YYSTYPE_TOSTRING |
| 1240 |
#if YYBTYACC |
| 1241 |
if (!yytrial) |
| 1242 |
#endif /* YYBTYACC */ |
| 1243 |
fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval)); |
| 1244 |
#endif |
| 1245 |
fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL); |
| 1246 |
} |
| 1247 |
#endif |
| 1248 |
yystate = YYFINAL; |
| 1249 |
*++yystack.s_mark = YYFINAL; |
| 1250 |
*++yystack.l_mark = yyval; |
| 1251 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1252 |
*++yystack.p_mark = yyloc; |
| 1253 |
#endif |
| 1254 |
if (yychar < 0) |
| 1255 |
{ |
| 1256 |
#if YYBTYACC |
| 1257 |
do { |
| 1258 |
if (yylvp < yylve) |
| 1259 |
{ |
| 1260 |
/* we're currently re-reading tokens */ |
| 1261 |
yylval = *yylvp++; |
| 1262 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1263 |
yylloc = *yylpp++; |
| 1264 |
#endif |
| 1265 |
yychar = *yylexp++; |
| 1266 |
break; |
| 1267 |
} |
| 1268 |
if (yyps->save) |
| 1269 |
{ |
| 1270 |
/* in trial mode; save scanner results for future parse attempts */ |
| 1271 |
if (yylvp == yylvlim) |
| 1272 |
{ /* Enlarge lexical value queue */ |
| 1273 |
size_t p = (size_t) (yylvp - yylvals); |
| 1274 |
size_t s = (size_t) (yylvlim - yylvals); |
| 1275 |
|
| 1276 |
s += YYLVQUEUEGROWTH; |
| 1277 |
if ((yylexemes = (short *) realloc(yylexemes, s * sizeof(short))) == NULL) |
| 1278 |
goto yyenomem; |
| 1279 |
if ((yylvals = (YYSTYPE *) realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) |
| 1280 |
goto yyenomem; |
| 1281 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1282 |
if ((yylpsns = (YYLTYPE *) realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) |
| 1283 |
goto yyenomem; |
| 1284 |
#endif |
| 1285 |
yylvp = yylve = yylvals + p; |
| 1286 |
yylvlim = yylvals + s; |
| 1287 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1288 |
yylpp = yylpe = yylpsns + p; |
| 1289 |
yylplim = yylpsns + s; |
| 1290 |
#endif |
| 1291 |
yylexp = yylexemes + p; |
| 1292 |
} |
| 1293 |
*yylexp = (short) YYLEX; |
| 1294 |
*yylvp++ = yylval; |
| 1295 |
yylve++; |
| 1296 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1297 |
*yylpp++ = yylloc; |
| 1298 |
yylpe++; |
| 1299 |
#endif |
| 1300 |
yychar = *yylexp++; |
| 1301 |
break; |
| 1302 |
} |
| 1303 |
/* normal operation, no conflict encountered */ |
| 1304 |
#endif /* YYBTYACC */ |
| 1305 |
yychar = YYLEX; |
| 1306 |
#if YYBTYACC |
| 1307 |
} while (0); |
| 1308 |
#endif /* YYBTYACC */ |
| 1309 |
if (yychar < 0) yychar = YYEOF; |
| 1310 |
/* if ((yychar = YYLEX) < 0) yychar = YYEOF; */ |
| 1311 |
#if YYDEBUG |
| 1312 |
if (yydebug) |
| 1313 |
{ |
| 1314 |
yys = yyname[YYTRANSLATE(yychar)]; |
| 1315 |
fprintf(stderr, "%s[%d]: state %d, reading %d (%s)\n", |
| 1316 |
YYDEBUGSTR, yydepth, YYFINAL, yychar, yys); |
| 1317 |
} |
| 1318 |
#endif |
| 1319 |
} |
| 1320 |
if (yychar == YYEOF) goto yyaccept; |
| 1321 |
goto yyloop; |
| 1322 |
} |
| 1323 |
if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 && |
| 1324 |
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate) |
| 1325 |
yystate = yytable[yyn]; |
| 1326 |
else |
| 1327 |
yystate = yydgoto[yym]; |
| 1328 |
#if YYDEBUG |
| 1329 |
if (yydebug) |
| 1330 |
{ |
| 1331 |
fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth); |
| 1332 |
#ifdef YYSTYPE_TOSTRING |
| 1333 |
#if YYBTYACC |
| 1334 |
if (!yytrial) |
| 1335 |
#endif /* YYBTYACC */ |
| 1336 |
fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval)); |
| 1337 |
#endif |
| 1338 |
fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate); |
| 1339 |
} |
| 1340 |
#endif |
| 1341 |
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; |
| 1342 |
*++yystack.s_mark = (short) yystate; |
| 1343 |
*++yystack.l_mark = yyval; |
| 1344 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1345 |
*++yystack.p_mark = yyloc; |
| 1346 |
#endif |
| 1347 |
goto yyloop; |
| 1348 |
#if YYBTYACC |
| 1349 |
|
| 1350 |
/* Reduction declares that this path is valid. Set yypath and do a full parse */ |
| 1351 |
yyvalid: |
| 1352 |
if (yypath) YYABORT; |
| 1353 |
while (yyps->save) |
| 1354 |
{ |
| 1355 |
YYParseState *save = yyps->save; |
| 1356 |
yyps->save = save->save; |
| 1357 |
save->save = yypath; |
| 1358 |
yypath = save; |
| 1359 |
} |
| 1360 |
#if YYDEBUG |
| 1361 |
if (yydebug) |
| 1362 |
fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n", |
| 1363 |
YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme)); |
| 1364 |
#endif |
| 1365 |
if (yyerrctx) |
| 1366 |
{ |
| 1367 |
yyFreeState(yyerrctx); |
| 1368 |
yyerrctx = NULL; |
| 1369 |
} |
| 1370 |
yylvp = yylvals + yypath->lexeme; |
| 1371 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1372 |
yylpp = yylpsns + yypath->lexeme; |
| 1373 |
#endif |
| 1374 |
yylexp = yylexemes + yypath->lexeme; |
| 1375 |
yychar = YYEMPTY; |
| 1376 |
yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base); |
| 1377 |
memcpy (yystack.s_base, yypath->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(short)); |
| 1378 |
yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base); |
| 1379 |
memcpy (yystack.l_base, yypath->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); |
| 1380 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1381 |
yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base); |
| 1382 |
memcpy (yystack.p_base, yypath->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); |
| 1383 |
#endif |
| 1384 |
yystate = yypath->state; |
| 1385 |
goto yyloop; |
| 1386 |
#endif /* YYBTYACC */ |
| 1387 |
|
| 1388 |
yyoverflow: |
| 1389 |
YYERROR_CALL("yacc stack overflow"); |
| 1390 |
#if YYBTYACC |
| 1391 |
goto yyabort_nomem; |
| 1392 |
yyenomem: |
| 1393 |
YYERROR_CALL("memory exhausted"); |
| 1394 |
yyabort_nomem: |
| 1395 |
#endif /* YYBTYACC */ |
| 1396 |
yyresult = 2; |
| 1397 |
goto yyreturn; |
| 1398 |
|
| 1399 |
yyabort: |
| 1400 |
yyresult = 1; |
| 1401 |
goto yyreturn; |
| 1402 |
|
| 1403 |
yyaccept: |
| 1404 |
#if YYBTYACC |
| 1405 |
if (yyps->save) goto yyvalid; |
| 1406 |
#endif /* YYBTYACC */ |
| 1407 |
yyresult = 0; |
| 1408 |
|
| 1409 |
yyreturn: |
| 1410 |
#if defined(YYDESTRUCT_CALL) |
| 1411 |
if (yychar != YYEOF && yychar != YYEMPTY) |
| 1412 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1413 |
YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc); |
| 1414 |
#else |
| 1415 |
YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval); |
| 1416 |
#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ |
| 1417 |
|
| 1418 |
{ |
| 1419 |
YYSTYPE *pv; |
| 1420 |
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) |
| 1421 |
YYLTYPE *pp; |
| 1422 |
|
| 1423 |
for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp) |
| 1424 |
YYDESTRUCT_CALL("cleanup: discarding state", |
| 1425 |
yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp); |
| 1426 |
#else |
| 1427 |
for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv) |
| 1428 |
YYDESTRUCT_CALL("cleanup: discarding state", |
| 1429 |
yystos[*(yystack.s_base + (pv - yystack.l_base))], pv); |
| 1430 |
#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ |
| 1431 |
} |
| 1432 |
#endif /* defined(YYDESTRUCT_CALL) */ |
| 1433 |
|
| 1434 |
#if YYBTYACC |
| 1435 |
if (yyerrctx) |
| 1436 |
{ |
| 1437 |
yyFreeState(yyerrctx); |
| 1438 |
yyerrctx = NULL; |
| 1439 |
} |
| 1440 |
while (yyps) |
| 1441 |
{ |
| 1442 |
YYParseState *save = yyps; |
| 1443 |
yyps = save->save; |
| 1444 |
save->save = NULL; |
| 1445 |
yyFreeState(save); |
| 1446 |
} |
| 1447 |
while (yypath) |
| 1448 |
{ |
| 1449 |
YYParseState *save = yypath; |
| 1450 |
yypath = save->save; |
| 1451 |
save->save = NULL; |
| 1452 |
yyFreeState(save); |
| 1453 |
} |
| 1454 |
#endif /* YYBTYACC */ |
| 1455 |
yyfreestack(&yystack); |
| 1456 |
return (yyresult); |
| 1457 |
} |
