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err_syntax18.tab.c revision 1.1.1.2 
      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 
     17 #ifndef yyparse
     18 #define yyparse    err_syntax18_parse
     19 #endif /* yyparse */
     20 
     21 #ifndef yylex
     22 #define yylex      err_syntax18_lex
     23 #endif /* yylex */
     24 
     25 #ifndef yyerror
     26 #define yyerror    err_syntax18_error
     27 #endif /* yyerror */
     28 
     29 #ifndef yychar
     30 #define yychar     err_syntax18_char
     31 #endif /* yychar */
     32 
     33 #ifndef yyval
     34 #define yyval      err_syntax18_val
     35 #endif /* yyval */
     36 
     37 #ifndef yylval
     38 #define yylval     err_syntax18_lval
     39 #endif /* yylval */
     40 
     41 #ifndef yydebug
     42 #define yydebug    err_syntax18_debug
     43 #endif /* yydebug */
     44 
     45 #ifndef yynerrs
     46 #define yynerrs    err_syntax18_nerrs
     47 #endif /* yynerrs */
     48 
     49 #ifndef yyerrflag
     50 #define yyerrflag  err_syntax18_errflag
     51 #endif /* yyerrflag */
     52 
     53 #ifndef yylhs
     54 #define yylhs      err_syntax18_lhs
     55 #endif /* yylhs */
     56 
     57 #ifndef yylen
     58 #define yylen      err_syntax18_len
     59 #endif /* yylen */
     60 
     61 #ifndef yydefred
     62 #define yydefred   err_syntax18_defred
     63 #endif /* yydefred */
     64 
     65 #ifndef yydgoto
     66 #define yydgoto    err_syntax18_dgoto
     67 #endif /* yydgoto */
     68 
     69 #ifndef yysindex
     70 #define yysindex   err_syntax18_sindex
     71 #endif /* yysindex */
     72 
     73 #ifndef yyrindex
     74 #define yyrindex   err_syntax18_rindex
     75 #endif /* yyrindex */
     76 
     77 #ifndef yygindex
     78 #define yygindex   err_syntax18_gindex
     79 #endif /* yygindex */
     80 
     81 #ifndef yytable
     82 #define yytable    err_syntax18_table
     83 #endif /* yytable */
     84 
     85 #ifndef yycheck
     86 #define yycheck    err_syntax18_check
     87 #endif /* yycheck */
     88 
     89 #ifndef yyname
     90 #define yyname     err_syntax18_name
     91 #endif /* yyname */
     92 
     93 #ifndef yyrule
     94 #define yyrule     err_syntax18_rule
     95 #endif /* yyrule */
     96 #define YYPREFIX "err_syntax18_"
     97 
     98 #define YYPURE 0
     99 
    100 #line 2 "err_syntax18.y"
    101 int yylex(void);
    102 static void yyerror(const char *);
    103 #line 104 "err_syntax18.tab.c"
    104 
    105 #if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
    106 /* Default: YYSTYPE is the semantic value type. */
    107 typedef int YYSTYPE;
    108 # define YYSTYPE_IS_DECLARED 1
    109 #endif
    110 
    111 /* compatibility with bison */
    112 #ifdef YYPARSE_PARAM
    113 /* compatibility with FreeBSD */
    114 # ifdef YYPARSE_PARAM_TYPE
    115 #  define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
    116 # else
    117 #  define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
    118 # endif
    119 #else
    120 # define YYPARSE_DECL() yyparse(void)
    121 #endif
    122 
    123 /* Parameters sent to lex. */
    124 #ifdef YYLEX_PARAM
    125 # define YYLEX_DECL() yylex(void *YYLEX_PARAM)
    126 # define YYLEX yylex(YYLEX_PARAM)
    127 #else
    128 # define YYLEX_DECL() yylex(void)
    129 # define YYLEX yylex()
    130 #endif
    131 
    132 /* Parameters sent to yyerror. */
    133 #ifndef YYERROR_DECL
    134 #define YYERROR_DECL() yyerror(const char *s)
    135 #endif
    136 #ifndef YYERROR_CALL
    137 #define YYERROR_CALL(msg) yyerror(msg)
    138 #endif
    139 
    140 extern int YYPARSE_DECL();
    141 
    142 #define YYERRCODE 256
    143 typedef short YYINT;
    144 static const YYINT err_syntax18_lhs[] = {                -1,
    145     0,
    146 };
    147 static const YYINT err_syntax18_len[] = {                 2,
    148     3,
    149 };
    150 static const YYINT err_syntax18_defred[] = {              0,
    151     0,    0,    0,    1,
    152 };
    153 static const YYINT err_syntax18_dgoto[] = {               2,
    154 };
    155 static const YYINT err_syntax18_sindex[] = {            -40,
    156   -40,    0,  -39,    0,
    157 };
    158 static const YYINT err_syntax18_rindex[] = {              0,
    159     0,    0,    0,    0,
    160 };
    161 static const YYINT err_syntax18_gindex[] = {              2,
    162 };
    163 #define YYTABLESIZE 3
    164 static const YYINT err_syntax18_table[] = {               1,
    165     0,    4,    3,
    166 };
    167 static const YYINT err_syntax18_check[] = {              40,
    168    -1,   41,    1,
    169 };
    170 #define YYFINAL 2
    171 #ifndef YYDEBUG
    172 #define YYDEBUG 0
    173 #endif
    174 #define YYMAXTOKEN 256
    175 #define YYUNDFTOKEN 259
    176 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
    177 #if YYDEBUG
    178 static const char *const err_syntax18_name[] = {
    179 
    180 "end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    181 0,0,0,0,0,0,"'('","')'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    182 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    183 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    184 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    185 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    186 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"illegal-symbol",
    187 };
    188 static const char *const err_syntax18_rule[] = {
    189 "$accept : expr",
    190 "expr : '(' expr ')'",
    191 
    192 };
    193 #endif
    194 
    195 int      yydebug;
    196 int      yynerrs;
    197 
    198 int      yyerrflag;
    199 int      yychar;
    200 YYSTYPE  yyval;
    201 YYSTYPE  yylval;
    202 
    203 /* define the initial stack-sizes */
    204 #ifdef YYSTACKSIZE
    205 #undef YYMAXDEPTH
    206 #define YYMAXDEPTH  YYSTACKSIZE
    207 #else
    208 #ifdef YYMAXDEPTH
    209 #define YYSTACKSIZE YYMAXDEPTH
    210 #else
    211 #define YYSTACKSIZE 10000
    212 #define YYMAXDEPTH  10000
    213 #endif
    214 #endif
    215 
    216 #define YYINITSTACKSIZE 200
    217 
    218 typedef struct {
    219     unsigned stacksize;
    220     YYINT    *s_base;
    221     YYINT    *s_mark;
    222     YYINT    *s_last;
    223     YYSTYPE  *l_base;
    224     YYSTYPE  *l_mark;
    225 } YYSTACKDATA;
    226 /* variables for the parser stack */
    227 static YYSTACKDATA yystack;
    228 #line 13 "err_syntax18.y"
    229 
    230 #include <stdio.h>
    231 
    232 int
    233 main(void)
    234 {
    235     printf("yyparse() = %d\n", yyparse());
    236     return 0;
    237 }
    238 
    239 int
    240 yylex(void)
    241 {
    242     return -1;
    243 }
    244 
    245 static void
    246 yyerror(const char* s)
    247 {
    248     printf("%s\n", s);
    249 }
    250 #line 251 "err_syntax18.tab.c"
    251 
    252 #if YYDEBUG
    253 #include <stdio.h>		/* needed for printf */
    254 #endif
    255 
    256 #include <stdlib.h>	/* needed for malloc, etc */
    257 #include <string.h>	/* needed for memset */
    258 
    259 /* allocate initial stack or double stack size, up to YYMAXDEPTH */
    260 static int yygrowstack(YYSTACKDATA *data)
    261 {
    262     int i;
    263     unsigned newsize;
    264     YYINT *newss;
    265     YYSTYPE *newvs;
    266 
    267     if ((newsize = data->stacksize) == 0)
    268         newsize = YYINITSTACKSIZE;
    269     else if (newsize >= YYMAXDEPTH)
    270         return YYENOMEM;
    271     else if ((newsize *= 2) > YYMAXDEPTH)
    272         newsize = YYMAXDEPTH;
    273 
    274     i = (int) (data->s_mark - data->s_base);
    275     newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
    276     if (newss == 0)
    277         return YYENOMEM;
    278 
    279     data->s_base = newss;
    280     data->s_mark = newss + i;
    281 
    282     newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
    283     if (newvs == 0)
    284         return YYENOMEM;
    285 
    286     data->l_base = newvs;
    287     data->l_mark = newvs + i;
    288 
    289     data->stacksize = newsize;
    290     data->s_last = data->s_base + newsize - 1;
    291     return 0;
    292 }
    293 
    294 #if YYPURE || defined(YY_NO_LEAKS)
    295 static void yyfreestack(YYSTACKDATA *data)
    296 {
    297     free(data->s_base);
    298     free(data->l_base);
    299     memset(data, 0, sizeof(*data));
    300 }
    301 #else
    302 #define yyfreestack(data) /* nothing */
    303 #endif
    304 
    305 #define YYABORT  goto yyabort
    306 #define YYREJECT goto yyabort
    307 #define YYACCEPT goto yyaccept
    308 #define YYERROR  goto yyerrlab
    309 
    310 int
    311 YYPARSE_DECL()
    312 {
    313     int yym, yyn, yystate;
    314 #if YYDEBUG
    315     const char *yys;
    316 
    317     if ((yys = getenv("YYDEBUG")) != 0)
    318     {
    319         yyn = *yys;
    320         if (yyn >= '0' && yyn <= '9')
    321             yydebug = yyn - '0';
    322     }
    323 #endif
    324 
    325     yynerrs = 0;
    326     yyerrflag = 0;
    327     yychar = YYEMPTY;
    328     yystate = 0;
    329 
    330 #if YYPURE
    331     memset(&yystack, 0, sizeof(yystack));
    332 #endif
    333 
    334     if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
    335     yystack.s_mark = yystack.s_base;
    336     yystack.l_mark = yystack.l_base;
    337     yystate = 0;
    338     *yystack.s_mark = 0;
    339 
    340 yyloop:
    341     if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
    342     if (yychar < 0)
    343     {
    344         if ((yychar = YYLEX) < 0) yychar = YYEOF;
    345 #if YYDEBUG
    346         if (yydebug)
    347         {
    348             yys = yyname[YYTRANSLATE(yychar)];
    349             printf("%sdebug: state %d, reading %d (%s)\n",
    350                     YYPREFIX, yystate, yychar, yys);
    351         }
    352 #endif
    353     }
    354     if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
    355             yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
    356     {
    357 #if YYDEBUG
    358         if (yydebug)
    359             printf("%sdebug: state %d, shifting to state %d\n",
    360                     YYPREFIX, yystate, yytable[yyn]);
    361 #endif
    362         if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
    363         {
    364             goto yyoverflow;
    365         }
    366         yystate = yytable[yyn];
    367         *++yystack.s_mark = yytable[yyn];
    368         *++yystack.l_mark = yylval;
    369         yychar = YYEMPTY;
    370         if (yyerrflag > 0)  --yyerrflag;
    371         goto yyloop;
    372     }
    373     if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
    374             yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
    375     {
    376         yyn = yytable[yyn];
    377         goto yyreduce;
    378     }
    379     if (yyerrflag) goto yyinrecovery;
    380 
    381     YYERROR_CALL("syntax error");
    382 
    383     goto yyerrlab;
    384 
    385 yyerrlab:
    386     ++yynerrs;
    387 
    388 yyinrecovery:
    389     if (yyerrflag < 3)
    390     {
    391         yyerrflag = 3;
    392         for (;;)
    393         {
    394             if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 &&
    395                     yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
    396             {
    397 #if YYDEBUG
    398                 if (yydebug)
    399                     printf("%sdebug: state %d, error recovery shifting\
    400  to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
    401 #endif
    402                 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
    403                 {
    404                     goto yyoverflow;
    405                 }
    406                 yystate = yytable[yyn];
    407                 *++yystack.s_mark = yytable[yyn];
    408                 *++yystack.l_mark = yylval;
    409                 goto yyloop;
    410             }
    411             else
    412             {
    413 #if YYDEBUG
    414                 if (yydebug)
    415                     printf("%sdebug: error recovery discarding state %d\n",
    416                             YYPREFIX, *yystack.s_mark);
    417 #endif
    418                 if (yystack.s_mark <= yystack.s_base) goto yyabort;
    419                 --yystack.s_mark;
    420                 --yystack.l_mark;
    421             }
    422         }
    423     }
    424     else
    425     {
    426         if (yychar == YYEOF) goto yyabort;
    427 #if YYDEBUG
    428         if (yydebug)
    429         {
    430             yys = yyname[YYTRANSLATE(yychar)];
    431             printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
    432                     YYPREFIX, yystate, yychar, yys);
    433         }
    434 #endif
    435         yychar = YYEMPTY;
    436         goto yyloop;
    437     }
    438 
    439 yyreduce:
    440 #if YYDEBUG
    441     if (yydebug)
    442         printf("%sdebug: state %d, reducing by rule %d (%s)\n",
    443                 YYPREFIX, yystate, yyn, yyrule[yyn]);
    444 #endif
    445     yym = yylen[yyn];
    446     if (yym)
    447         yyval = yystack.l_mark[1-yym];
    448     else
    449         memset(&yyval, 0, sizeof yyval);
    450     switch (yyn)
    451     {
    452 case 1:
    453 #line 9 "err_syntax18.y"
    454 	{  yyval = yystack.l_mark[1]; }
    455 break;
    456 #line 457 "err_syntax18.tab.c"
    457     }
    458     yystack.s_mark -= yym;
    459     yystate = *yystack.s_mark;
    460     yystack.l_mark -= yym;
    461     yym = yylhs[yyn];
    462     if (yystate == 0 && yym == 0)
    463     {
    464 #if YYDEBUG
    465         if (yydebug)
    466             printf("%sdebug: after reduction, shifting from state 0 to\
    467  state %d\n", YYPREFIX, YYFINAL);
    468 #endif
    469         yystate = YYFINAL;
    470         *++yystack.s_mark = YYFINAL;
    471         *++yystack.l_mark = yyval;
    472         if (yychar < 0)
    473         {
    474             if ((yychar = YYLEX) < 0) yychar = YYEOF;
    475 #if YYDEBUG
    476             if (yydebug)
    477             {
    478                 yys = yyname[YYTRANSLATE(yychar)];
    479                 printf("%sdebug: state %d, reading %d (%s)\n",
    480                         YYPREFIX, YYFINAL, yychar, yys);
    481             }
    482 #endif
    483         }
    484         if (yychar == YYEOF) goto yyaccept;
    485         goto yyloop;
    486     }
    487     if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
    488             yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
    489         yystate = yytable[yyn];
    490     else
    491         yystate = yydgoto[yym];
    492 #if YYDEBUG
    493     if (yydebug)
    494         printf("%sdebug: after reduction, shifting from state %d \
    495 to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
    496 #endif
    497     if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
    498     {
    499         goto yyoverflow;
    500     }
    501     *++yystack.s_mark = (YYINT) yystate;
    502     *++yystack.l_mark = yyval;
    503     goto yyloop;
    504 
    505 yyoverflow:
    506     YYERROR_CALL("yacc stack overflow");
    507 
    508 yyabort:
    509     yyfreestack(&yystack);
    510     return (1);
    511 
    512 yyaccept:
    513     yyfreestack(&yystack);
    514     return (0);
    515 }
    516