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calc2.tab.c revision 1.2.4.1
      1 /*	$NetBSD: calc2.tab.c,v 1.2.4.1 2017/07/18 18:09:43 snj Exp $	*/
      2 
      3 /* original parser id follows */
      4 /* yysccsid[] = "@(#)yaccpar	1.9 (Berkeley) 02/21/93" */
      5 /* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */
      6 
      7 #define YYBYACC 1
      8 #define YYMAJOR 1
      9 #define YYMINOR 9
     10 #define YYCHECK "yyyymmdd"
     11 
     12 #define YYEMPTY        (-1)
     13 #define yyclearin      (yychar = YYEMPTY)
     14 #define yyerrok        (yyerrflag = 0)
     15 #define YYRECOVERING() (yyerrflag != 0)
     16 #define YYENOMEM       (-2)
     17 #define YYEOF          0
     18 #undef YYBTYACC
     19 #define YYBTYACC 0
     20 #define YYDEBUGSTR YYPREFIX "debug"
     21 
     22 #ifndef yyparse
     23 #define yyparse    calc2_parse
     24 #endif /* yyparse */
     25 
     26 #ifndef yylex
     27 #define yylex      calc2_lex
     28 #endif /* yylex */
     29 
     30 #ifndef yyerror
     31 #define yyerror    calc2_error
     32 #endif /* yyerror */
     33 
     34 #ifndef yychar
     35 #define yychar     calc2_char
     36 #endif /* yychar */
     37 
     38 #ifndef yyval
     39 #define yyval      calc2_val
     40 #endif /* yyval */
     41 
     42 #ifndef yylval
     43 #define yylval     calc2_lval
     44 #endif /* yylval */
     45 
     46 #ifndef yydebug
     47 #define yydebug    calc2_debug
     48 #endif /* yydebug */
     49 
     50 #ifndef yynerrs
     51 #define yynerrs    calc2_nerrs
     52 #endif /* yynerrs */
     53 
     54 #ifndef yyerrflag
     55 #define yyerrflag  calc2_errflag
     56 #endif /* yyerrflag */
     57 
     58 #ifndef yylhs
     59 #define yylhs      calc2_lhs
     60 #endif /* yylhs */
     61 
     62 #ifndef yylen
     63 #define yylen      calc2_len
     64 #endif /* yylen */
     65 
     66 #ifndef yydefred
     67 #define yydefred   calc2_defred
     68 #endif /* yydefred */
     69 
     70 #ifndef yystos
     71 #define yystos     calc2_stos
     72 #endif /* yystos */
     73 
     74 #ifndef yydgoto
     75 #define yydgoto    calc2_dgoto
     76 #endif /* yydgoto */
     77 
     78 #ifndef yysindex
     79 #define yysindex   calc2_sindex
     80 #endif /* yysindex */
     81 
     82 #ifndef yyrindex
     83 #define yyrindex   calc2_rindex
     84 #endif /* yyrindex */
     85 
     86 #ifndef yygindex
     87 #define yygindex   calc2_gindex
     88 #endif /* yygindex */
     89 
     90 #ifndef yytable
     91 #define yytable    calc2_table
     92 #endif /* yytable */
     93 
     94 #ifndef yycheck
     95 #define yycheck    calc2_check
     96 #endif /* yycheck */
     97 
     98 #ifndef yyname
     99 #define yyname     calc2_name
    100 #endif /* yyname */
    101 
    102 #ifndef yyrule
    103 #define yyrule     calc2_rule
    104 #endif /* yyrule */
    105 
    106 #if YYBTYACC
    107 
    108 #ifndef yycindex
    109 #define yycindex   calc2_cindex
    110 #endif /* yycindex */
    111 
    112 #ifndef yyctable
    113 #define yyctable   calc2_ctable
    114 #endif /* yyctable */
    115 
    116 #endif /* YYBTYACC */
    117 
    118 #define YYPREFIX "calc2_"
    119 
    120 #define YYPURE 0
    121 
    122 #line 7 "calc2.y"
    123 # include <stdio.h>
    124 # include <ctype.h>
    125 
    126 #ifdef YYBISON
    127 #define YYLEX_PARAM base
    128 #define YYLEX_DECL() yylex(int *YYLEX_PARAM)
    129 #define YYERROR_DECL() yyerror(int regs[26], int *base, const char *s)
    130 int YYLEX_DECL();
    131 static void YYERROR_DECL();
    132 #endif
    133 
    134 #line 133 "calc2.tab.c"
    135 
    136 #if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
    137 /* Default: YYSTYPE is the semantic value type. */
    138 typedef int YYSTYPE;
    139 # define YYSTYPE_IS_DECLARED 1
    140 #endif
    141 
    142 /* compatibility with bison */
    143 #ifdef YYPARSE_PARAM
    144 /* compatibility with FreeBSD */
    145 # ifdef YYPARSE_PARAM_TYPE
    146 #  define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
    147 # else
    148 #  define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
    149 # endif
    150 #else
    151 # define YYPARSE_DECL() yyparse(int regs[26], int *base)
    152 #endif
    153 
    154 /* Parameters sent to lex. */
    155 #ifdef YYLEX_PARAM
    156 # define YYLEX_DECL() yylex(void *YYLEX_PARAM)
    157 # define YYLEX yylex(YYLEX_PARAM)
    158 #else
    159 # define YYLEX_DECL() yylex(int *base)
    160 # define YYLEX yylex(base)
    161 #endif
    162 
    163 /* Parameters sent to yyerror. */
    164 #ifndef YYERROR_DECL
    165 #define YYERROR_DECL() yyerror(int regs[26], int *base, const char *s)
    166 #endif
    167 #ifndef YYERROR_CALL
    168 #define YYERROR_CALL(msg) yyerror(regs, base, msg)
    169 #endif
    170 
    171 extern int YYPARSE_DECL();
    172 
    173 #define DIGIT 257
    174 #define LETTER 258
    175 #define UMINUS 259
    176 #define YYERRCODE 256
    177 typedef short YYINT;
    178 static const YYINT calc2_lhs[] = {                       -1,
    179     0,    0,    0,    1,    1,    2,    2,    2,    2,    2,
    180     2,    2,    2,    2,    2,    2,    3,    3,
    181 };
    182 static const YYINT calc2_len[] = {                        2,
    183     0,    3,    3,    1,    3,    3,    3,    3,    3,    3,
    184     3,    3,    3,    2,    1,    1,    1,    2,
    185 };
    186 static const YYINT calc2_defred[] = {                     1,
    187     0,    0,   17,    0,    0,    0,    0,    0,    0,    3,
    188     0,   15,   14,    0,    2,    0,    0,    0,    0,    0,
    189     0,    0,   18,    0,    6,    0,    0,    0,    0,    9,
    190    10,   11,
    191 };
    192 #if defined(YYDESTRUCT_CALL) || defined(YYSTYPE_TOSTRING)
    193 static const YYINT calc2_stos[] = {                       0,
    194   261,  256,  257,  258,   45,   40,  262,  263,  264,   10,
    195    61,  258,  263,  263,   10,  124,   38,   43,   45,   42,
    196    47,   37,  257,  263,   41,  263,  263,  263,  263,  263,
    197   263,  263,
    198 };
    199 #endif /* YYDESTRUCT_CALL || YYSTYPE_TOSTRING */
    200 static const YYINT calc2_dgoto[] = {                      1,
    201     7,    8,    9,
    202 };
    203 static const YYINT calc2_sindex[] = {                     0,
    204   -40,   -7,    0,  -55,  -38,  -38,    1,  -29, -247,    0,
    205   -38,    0,    0,   22,    0,  -38,  -38,  -38,  -38,  -38,
    206   -38,  -38,    0,  -29,    0,   51,   60,  -20,  -20,    0,
    207     0,    0,
    208 };
    209 static const YYINT calc2_rindex[] = {                     0,
    210     0,    0,    0,    2,    0,    0,    0,    9,   -9,    0,
    211     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    212     0,    0,    0,   10,    0,   -6,   14,    5,   13,    0,
    213     0,    0,
    214 };
    215 #if YYBTYACC
    216 static const YYINT calc2_cindex[] = {                     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,
    221 };
    222 #endif
    223 static const YYINT calc2_gindex[] = {                     0,
    224     0,   65,    0,
    225 };
    226 #define YYTABLESIZE 220
    227 static const YYINT calc2_table[] = {                      6,
    228    16,    6,   10,   13,    5,   11,    5,   22,   17,   23,
    229    15,   15,   20,   18,    7,   19,   22,   21,    4,    5,
    230     0,   20,    8,   12,    0,    0,   21,   16,   16,    0,
    231     0,   16,   16,   16,   13,   16,    0,   16,   15,   15,
    232     0,    0,    7,   15,   15,    7,   15,    7,   15,    7,
    233     8,   12,    0,    8,   12,    8,    0,    8,   22,   17,
    234     0,    0,   25,   20,   18,    0,   19,    0,   21,   13,
    235    14,    0,    0,    0,    0,   24,    0,    0,    0,    0,
    236    26,   27,   28,   29,   30,   31,   32,   22,   17,    0,
    237     0,    0,   20,   18,   16,   19,   22,   21,    0,    0,
    238     0,   20,   18,    0,   19,    0,   21,    0,    0,    0,
    239     0,    0,    0,    0,   16,    0,    0,   13,    0,    0,
    240     0,    0,    0,    0,    0,   15,    0,    0,    7,    0,
    241     0,    0,    0,    0,    0,    0,    8,   12,    0,    0,
    242     0,    0,    0,    0,    0,   16,    0,    0,    0,    0,
    243     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    244     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    245     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    246     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    247     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    248     0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    249     0,    0,    0,    0,    0,    2,    3,    4,    3,   12,
    250 };
    251 static const YYINT calc2_check[] = {                     40,
    252    10,   40,   10,   10,   45,   61,   45,   37,   38,  257,
    253    10,   10,   42,   43,   10,   45,   37,   47,   10,   10,
    254    -1,   42,   10,   10,   -1,   -1,   47,   37,   38,   -1,
    255    -1,   41,   42,   43,   41,   45,   -1,   47,   37,   38,
    256    -1,   -1,   38,   42,   43,   41,   45,   43,   47,   45,
    257    38,   38,   -1,   41,   41,   43,   -1,   45,   37,   38,
    258    -1,   -1,   41,   42,   43,   -1,   45,   -1,   47,    5,
    259     6,   -1,   -1,   -1,   -1,   11,   -1,   -1,   -1,   -1,
    260    16,   17,   18,   19,   20,   21,   22,   37,   38,   -1,
    261    -1,   -1,   42,   43,  124,   45,   37,   47,   -1,   -1,
    262    -1,   42,   43,   -1,   45,   -1,   47,   -1,   -1,   -1,
    263    -1,   -1,   -1,   -1,  124,   -1,   -1,  124,   -1,   -1,
    264    -1,   -1,   -1,   -1,   -1,  124,   -1,   -1,  124,   -1,
    265    -1,   -1,   -1,   -1,   -1,   -1,  124,  124,   -1,   -1,
    266    -1,   -1,   -1,   -1,   -1,  124,   -1,   -1,   -1,   -1,
    267    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
    268    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
    269    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
    270    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
    271    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
    272    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
    273    -1,   -1,   -1,   -1,   -1,  256,  257,  258,  257,  258,
    274 };
    275 #if YYBTYACC
    276 static const YYINT calc2_ctable[] = {                    -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,   -1,
    293    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
    294    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
    295    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
    296    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
    297    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
    298    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
    299 };
    300 #endif
    301 #define YYFINAL 1
    302 #ifndef YYDEBUG
    303 #define YYDEBUG 0
    304 #endif
    305 #define YYMAXTOKEN 259
    306 #define YYUNDFTOKEN 265
    307 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
    308 #if YYDEBUG
    309 static const char *const calc2_name[] = {
    310 
    311 "$end",0,0,0,0,0,0,0,0,0,"'\\n'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    312 0,0,0,"'%'","'&'",0,"'('","')'","'*'","'+'",0,"'-'",0,"'/'",0,0,0,0,0,0,0,0,0,0,
    313 0,0,0,"'='",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    314 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'|'",0,0,0,0,0,0,0,0,0,
    315 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    316 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    317 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    318 0,0,"error","DIGIT","LETTER","UMINUS","$accept","list","stat","expr","number",
    319 "illegal-symbol",
    320 };
    321 static const char *const calc2_rule[] = {
    322 "$accept : list",
    323 "list :",
    324 "list : list stat '\\n'",
    325 "list : list error '\\n'",
    326 "stat : expr",
    327 "stat : LETTER '=' expr",
    328 "expr : '(' expr ')'",
    329 "expr : expr '+' expr",
    330 "expr : expr '-' expr",
    331 "expr : expr '*' expr",
    332 "expr : expr '/' expr",
    333 "expr : expr '%' expr",
    334 "expr : expr '&' expr",
    335 "expr : expr '|' expr",
    336 "expr : '-' expr",
    337 "expr : LETTER",
    338 "expr : number",
    339 "number : DIGIT",
    340 "number : number DIGIT",
    341 
    342 };
    343 #endif
    344 
    345 int      yydebug;
    346 int      yynerrs;
    347 
    348 int      yyerrflag;
    349 int      yychar;
    350 YYSTYPE  yyval;
    351 YYSTYPE  yylval;
    352 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    353 YYLTYPE  yyloc; /* position returned by actions */
    354 YYLTYPE  yylloc; /* position from the lexer */
    355 #endif
    356 
    357 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    358 #ifndef YYLLOC_DEFAULT
    359 #define YYLLOC_DEFAULT(loc, rhs, n) \
    360 do \
    361 { \
    362     if (n == 0) \
    363     { \
    364         (loc).first_line   = ((rhs)[-1]).last_line; \
    365         (loc).first_column = ((rhs)[-1]).last_column; \
    366         (loc).last_line    = ((rhs)[-1]).last_line; \
    367         (loc).last_column  = ((rhs)[-1]).last_column; \
    368     } \
    369     else \
    370     { \
    371         (loc).first_line   = ((rhs)[ 0 ]).first_line; \
    372         (loc).first_column = ((rhs)[ 0 ]).first_column; \
    373         (loc).last_line    = ((rhs)[n-1]).last_line; \
    374         (loc).last_column  = ((rhs)[n-1]).last_column; \
    375     } \
    376 } while (0)
    377 #endif /* YYLLOC_DEFAULT */
    378 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
    379 #if YYBTYACC
    380 
    381 #ifndef YYLVQUEUEGROWTH
    382 #define YYLVQUEUEGROWTH 32
    383 #endif
    384 #endif /* YYBTYACC */
    385 
    386 /* define the initial stack-sizes */
    387 #ifdef YYSTACKSIZE
    388 #undef YYMAXDEPTH
    389 #define YYMAXDEPTH  YYSTACKSIZE
    390 #else
    391 #ifdef YYMAXDEPTH
    392 #define YYSTACKSIZE YYMAXDEPTH
    393 #else
    394 #define YYSTACKSIZE 10000
    395 #define YYMAXDEPTH  10000
    396 #endif
    397 #endif
    398 
    399 #ifndef YYINITSTACKSIZE
    400 #define YYINITSTACKSIZE 200
    401 #endif
    402 
    403 typedef struct {
    404     unsigned stacksize;
    405     YYINT    *s_base;
    406     YYINT    *s_mark;
    407     YYINT    *s_last;
    408     YYSTYPE  *l_base;
    409     YYSTYPE  *l_mark;
    410 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    411     YYLTYPE  *p_base;
    412     YYLTYPE  *p_mark;
    413 #endif
    414 } YYSTACKDATA;
    415 #if YYBTYACC
    416 
    417 struct YYParseState_s
    418 {
    419     struct YYParseState_s *save;    /* Previously saved parser state */
    420     YYSTACKDATA            yystack; /* saved parser stack */
    421     int                    state;   /* saved parser state */
    422     int                    errflag; /* saved error recovery status */
    423     int                    lexeme;  /* saved index of the conflict lexeme in the lexical queue */
    424     YYINT                  ctry;    /* saved index in yyctable[] for this conflict */
    425 };
    426 typedef struct YYParseState_s YYParseState;
    427 #endif /* YYBTYACC */
    428 /* variables for the parser stack */
    429 static YYSTACKDATA yystack;
    430 #if YYBTYACC
    431 
    432 /* Current parser state */
    433 static YYParseState *yyps = 0;
    434 
    435 /* yypath != NULL: do the full parse, starting at *yypath parser state. */
    436 static YYParseState *yypath = 0;
    437 
    438 /* Base of the lexical value queue */
    439 static YYSTYPE *yylvals = 0;
    440 
    441 /* Current position at lexical value queue */
    442 static YYSTYPE *yylvp = 0;
    443 
    444 /* End position of lexical value queue */
    445 static YYSTYPE *yylve = 0;
    446 
    447 /* The last allocated position at the lexical value queue */
    448 static YYSTYPE *yylvlim = 0;
    449 
    450 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    451 /* Base of the lexical position queue */
    452 static YYLTYPE *yylpsns = 0;
    453 
    454 /* Current position at lexical position queue */
    455 static YYLTYPE *yylpp = 0;
    456 
    457 /* End position of lexical position queue */
    458 static YYLTYPE *yylpe = 0;
    459 
    460 /* The last allocated position at the lexical position queue */
    461 static YYLTYPE *yylplim = 0;
    462 #endif
    463 
    464 /* Current position at lexical token queue */
    465 static YYINT  *yylexp = 0;
    466 
    467 static YYINT  *yylexemes = 0;
    468 #endif /* YYBTYACC */
    469 #line 73 "calc2.y"
    470  /* start of programs */
    471 
    472 #ifdef YYBYACC
    473 extern int YYLEX_DECL();
    474 #endif
    475 
    476 int
    477 main (void)
    478 {
    479     int regs[26];
    480     int base = 10;
    481 
    482     while(!feof(stdin)) {
    483 	yyparse(regs, &base);
    484     }
    485     return 0;
    486 }
    487 
    488 #define UNUSED(x) ((void)(x))
    489 
    490 static void
    491 YYERROR_DECL()
    492 {
    493     UNUSED(regs); /* %parse-param regs is not actually used here */
    494     UNUSED(base); /* %parse-param base is not actually used here */
    495     fprintf(stderr, "%s\n", s);
    496 }
    497 
    498 int
    499 YYLEX_DECL()
    500 {
    501 	/* lexical analysis routine */
    502 	/* returns LETTER for a lower case letter, yylval = 0 through 25 */
    503 	/* return DIGIT for a digit, yylval = 0 through 9 */
    504 	/* all other characters are returned immediately */
    505 
    506     int c;
    507 
    508     while( (c=getchar()) == ' ' )   { /* skip blanks */ }
    509 
    510     /* c is now nonblank */
    511 
    512     if( islower( c )) {
    513 	yylval = c - 'a';
    514 	return ( LETTER );
    515     }
    516     if( isdigit( c )) {
    517 	yylval = (c - '0') % (*base);
    518 	return ( DIGIT );
    519     }
    520     return( c );
    521 }
    522 #line 521 "calc2.tab.c"
    523 
    524 /* For use in generated program */
    525 #define yydepth (int)(yystack.s_mark - yystack.s_base)
    526 #if YYBTYACC
    527 #define yytrial (yyps->save)
    528 #endif /* YYBTYACC */
    529 
    530 #if YYDEBUG
    531 #include <stdio.h>	/* needed for printf */
    532 #endif
    533 
    534 #include <stdlib.h>	/* needed for malloc, etc */
    535 #include <string.h>	/* needed for memset */
    536 
    537 /* allocate initial stack or double stack size, up to YYMAXDEPTH */
    538 static int yygrowstack(YYSTACKDATA *data)
    539 {
    540     int i;
    541     unsigned newsize;
    542     YYINT *newss;
    543     YYSTYPE *newvs;
    544 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    545     YYLTYPE *newps;
    546 #endif
    547 
    548     if ((newsize = data->stacksize) == 0)
    549         newsize = YYINITSTACKSIZE;
    550     else if (newsize >= YYMAXDEPTH)
    551         return YYENOMEM;
    552     else if ((newsize *= 2) > YYMAXDEPTH)
    553         newsize = YYMAXDEPTH;
    554 
    555     i = (int) (data->s_mark - data->s_base);
    556     newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
    557     if (newss == 0)
    558         return YYENOMEM;
    559 
    560     data->s_base = newss;
    561     data->s_mark = newss + i;
    562 
    563     newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
    564     if (newvs == 0)
    565         return YYENOMEM;
    566 
    567     data->l_base = newvs;
    568     data->l_mark = newvs + i;
    569 
    570 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    571     newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps));
    572     if (newps == 0)
    573         return YYENOMEM;
    574 
    575     data->p_base = newps;
    576     data->p_mark = newps + i;
    577 #endif
    578 
    579     data->stacksize = newsize;
    580     data->s_last = data->s_base + newsize - 1;
    581 
    582 #if YYDEBUG
    583     if (yydebug)
    584         fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize);
    585 #endif
    586     return 0;
    587 }
    588 
    589 #if YYPURE || defined(YY_NO_LEAKS)
    590 static void yyfreestack(YYSTACKDATA *data)
    591 {
    592     free(data->s_base);
    593     free(data->l_base);
    594 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    595     free(data->p_base);
    596 #endif
    597     memset(data, 0, sizeof(*data));
    598 }
    599 #else
    600 #define yyfreestack(data) /* nothing */
    601 #endif /* YYPURE || defined(YY_NO_LEAKS) */
    602 #if YYBTYACC
    603 
    604 static YYParseState *
    605 yyNewState(unsigned size)
    606 {
    607     YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState));
    608     if (p == NULL) return NULL;
    609 
    610     p->yystack.stacksize = size;
    611     if (size == 0)
    612     {
    613         p->yystack.s_base = NULL;
    614         p->yystack.l_base = NULL;
    615 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    616         p->yystack.p_base = NULL;
    617 #endif
    618         return p;
    619     }
    620     p->yystack.s_base    = (YYINT *) malloc(size * sizeof(YYINT));
    621     if (p->yystack.s_base == NULL) return NULL;
    622     p->yystack.l_base    = (YYSTYPE *) malloc(size * sizeof(YYSTYPE));
    623     if (p->yystack.l_base == NULL) return NULL;
    624     memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE));
    625 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    626     p->yystack.p_base    = (YYLTYPE *) malloc(size * sizeof(YYLTYPE));
    627     if (p->yystack.p_base == NULL) return NULL;
    628     memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE));
    629 #endif
    630 
    631     return p;
    632 }
    633 
    634 static void
    635 yyFreeState(YYParseState *p)
    636 {
    637     yyfreestack(&p->yystack);
    638     free(p);
    639 }
    640 #endif /* YYBTYACC */
    641 
    642 #define YYABORT  goto yyabort
    643 #define YYREJECT goto yyabort
    644 #define YYACCEPT goto yyaccept
    645 #define YYERROR  goto yyerrlab
    646 #if YYBTYACC
    647 #define YYVALID        do { if (yyps->save)            goto yyvalid; } while(0)
    648 #define YYVALID_NESTED do { if (yyps->save && \
    649                                 yyps->save->save == 0) goto yyvalid; } while(0)
    650 #endif /* YYBTYACC */
    651 
    652 int
    653 YYPARSE_DECL()
    654 {
    655     int yym, yyn, yystate, yyresult;
    656 #if YYBTYACC
    657     int yynewerrflag;
    658     YYParseState *yyerrctx = NULL;
    659 #endif /* YYBTYACC */
    660 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    661     YYLTYPE  yyerror_loc_range[2]; /* position of error start & end */
    662 #endif
    663 #if YYDEBUG
    664     const char *yys;
    665 
    666     if ((yys = getenv("YYDEBUG")) != 0)
    667     {
    668         yyn = *yys;
    669         if (yyn >= '0' && yyn <= '9')
    670             yydebug = yyn - '0';
    671     }
    672     if (yydebug)
    673         fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX);
    674 #endif
    675 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    676     memset(yyerror_loc_range, 0, sizeof(yyerror_loc_range));
    677 #endif
    678 
    679 #if YYBTYACC
    680     yyps = yyNewState(0); if (yyps == 0) goto yyenomem;
    681     yyps->save = 0;
    682 #endif /* YYBTYACC */
    683     yym = 0;
    684     yyn = 0;
    685     yynerrs = 0;
    686     yyerrflag = 0;
    687     yychar = YYEMPTY;
    688     yystate = 0;
    689 
    690 #if YYPURE
    691     memset(&yystack, 0, sizeof(yystack));
    692 #endif
    693 
    694     if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
    695     yystack.s_mark = yystack.s_base;
    696     yystack.l_mark = yystack.l_base;
    697 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    698     yystack.p_mark = yystack.p_base;
    699 #endif
    700     yystate = 0;
    701     *yystack.s_mark = 0;
    702 
    703 yyloop:
    704     if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
    705     if (yychar < 0)
    706     {
    707 #if YYBTYACC
    708         do {
    709         if (yylvp < yylve)
    710         {
    711             /* we're currently re-reading tokens */
    712             yylval = *yylvp++;
    713 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    714             yylloc = *yylpp++;
    715 #endif
    716             yychar = *yylexp++;
    717             break;
    718         }
    719         if (yyps->save)
    720         {
    721             /* in trial mode; save scanner results for future parse attempts */
    722             if (yylvp == yylvlim)
    723             {   /* Enlarge lexical value queue */
    724                 size_t p = (size_t) (yylvp - yylvals);
    725                 size_t s = (size_t) (yylvlim - yylvals);
    726 
    727                 s += YYLVQUEUEGROWTH;
    728                 if ((yylexemes = realloc(yylexemes, s * sizeof(YYINT))) == NULL) goto yyenomem;
    729                 if ((yylvals   = realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem;
    730 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    731                 if ((yylpsns   = realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem;
    732 #endif
    733                 yylvp   = yylve = yylvals + p;
    734                 yylvlim = yylvals + s;
    735 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    736                 yylpp   = yylpe = yylpsns + p;
    737                 yylplim = yylpsns + s;
    738 #endif
    739                 yylexp  = yylexemes + p;
    740             }
    741             *yylexp = (YYINT) YYLEX;
    742             *yylvp++ = yylval;
    743             yylve++;
    744 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    745             *yylpp++ = yylloc;
    746             yylpe++;
    747 #endif
    748             yychar = *yylexp++;
    749             break;
    750         }
    751         /* normal operation, no conflict encountered */
    752 #endif /* YYBTYACC */
    753         yychar = YYLEX;
    754 #if YYBTYACC
    755         } while (0);
    756 #endif /* YYBTYACC */
    757         if (yychar < 0) yychar = YYEOF;
    758 #if YYDEBUG
    759         if (yydebug)
    760         {
    761             if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
    762             fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)",
    763                             YYDEBUGSTR, yydepth, yystate, yychar, yys);
    764 #ifdef YYSTYPE_TOSTRING
    765 #if YYBTYACC
    766             if (!yytrial)
    767 #endif /* YYBTYACC */
    768                 fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval));
    769 #endif
    770             fputc('\n', stderr);
    771         }
    772 #endif
    773     }
    774 #if YYBTYACC
    775 
    776     /* Do we have a conflict? */
    777     if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
    778         yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
    779     {
    780         YYINT ctry;
    781 
    782         if (yypath)
    783         {
    784             YYParseState *save;
    785 #if YYDEBUG
    786             if (yydebug)
    787                 fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n",
    788                                 YYDEBUGSTR, yydepth, yystate);
    789 #endif
    790             /* Switch to the next conflict context */
    791             save = yypath;
    792             yypath = save->save;
    793             save->save = NULL;
    794             ctry = save->ctry;
    795             if (save->state != yystate) YYABORT;
    796             yyFreeState(save);
    797 
    798         }
    799         else
    800         {
    801 
    802             /* Unresolved conflict - start/continue trial parse */
    803             YYParseState *save;
    804 #if YYDEBUG
    805             if (yydebug)
    806             {
    807                 fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate);
    808                 if (yyps->save)
    809                     fputs("ALREADY in conflict, continuing trial parse.\n", stderr);
    810                 else
    811                     fputs("Starting trial parse.\n", stderr);
    812             }
    813 #endif
    814             save                  = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
    815             if (save == NULL) goto yyenomem;
    816             save->save            = yyps->save;
    817             save->state           = yystate;
    818             save->errflag         = yyerrflag;
    819             save->yystack.s_mark  = save->yystack.s_base + (yystack.s_mark - yystack.s_base);
    820             memcpy (save->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
    821             save->yystack.l_mark  = save->yystack.l_base + (yystack.l_mark - yystack.l_base);
    822             memcpy (save->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
    823 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    824             save->yystack.p_mark  = save->yystack.p_base + (yystack.p_mark - yystack.p_base);
    825             memcpy (save->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
    826 #endif
    827             ctry                  = yytable[yyn];
    828             if (yyctable[ctry] == -1)
    829             {
    830 #if YYDEBUG
    831                 if (yydebug && yychar >= YYEOF)
    832                     fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth);
    833 #endif
    834                 ctry++;
    835             }
    836             save->ctry = ctry;
    837             if (yyps->save == NULL)
    838             {
    839                 /* If this is a first conflict in the stack, start saving lexemes */
    840                 if (!yylexemes)
    841                 {
    842                     yylexemes = malloc((YYLVQUEUEGROWTH) * sizeof(YYINT));
    843                     if (yylexemes == NULL) goto yyenomem;
    844                     yylvals   = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE));
    845                     if (yylvals == NULL) goto yyenomem;
    846                     yylvlim   = yylvals + YYLVQUEUEGROWTH;
    847 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    848                     yylpsns   = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE));
    849                     if (yylpsns == NULL) goto yyenomem;
    850                     yylplim   = yylpsns + YYLVQUEUEGROWTH;
    851 #endif
    852                 }
    853                 if (yylvp == yylve)
    854                 {
    855                     yylvp  = yylve = yylvals;
    856 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    857                     yylpp  = yylpe = yylpsns;
    858 #endif
    859                     yylexp = yylexemes;
    860                     if (yychar >= YYEOF)
    861                     {
    862                         *yylve++ = yylval;
    863 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    864                         *yylpe++ = yylloc;
    865 #endif
    866                         *yylexp  = (YYINT) yychar;
    867                         yychar   = YYEMPTY;
    868                     }
    869                 }
    870             }
    871             if (yychar >= YYEOF)
    872             {
    873                 yylvp--;
    874 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    875                 yylpp--;
    876 #endif
    877                 yylexp--;
    878                 yychar = YYEMPTY;
    879             }
    880             save->lexeme = (int) (yylvp - yylvals);
    881             yyps->save   = save;
    882         }
    883         if (yytable[yyn] == ctry)
    884         {
    885 #if YYDEBUG
    886             if (yydebug)
    887                 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
    888                                 YYDEBUGSTR, yydepth, yystate, yyctable[ctry]);
    889 #endif
    890             if (yychar < 0)
    891             {
    892                 yylvp++;
    893 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    894                 yylpp++;
    895 #endif
    896                 yylexp++;
    897             }
    898             if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
    899                 goto yyoverflow;
    900             yystate = yyctable[ctry];
    901             *++yystack.s_mark = (YYINT) yystate;
    902             *++yystack.l_mark = yylval;
    903 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    904             *++yystack.p_mark = yylloc;
    905 #endif
    906             yychar  = YYEMPTY;
    907             if (yyerrflag > 0) --yyerrflag;
    908             goto yyloop;
    909         }
    910         else
    911         {
    912             yyn = yyctable[ctry];
    913             goto yyreduce;
    914         }
    915     } /* End of code dealing with conflicts */
    916 #endif /* YYBTYACC */
    917     if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
    918             yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
    919     {
    920 #if YYDEBUG
    921         if (yydebug)
    922             fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
    923                             YYDEBUGSTR, yydepth, yystate, yytable[yyn]);
    924 #endif
    925         if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
    926         yystate = yytable[yyn];
    927         *++yystack.s_mark = yytable[yyn];
    928         *++yystack.l_mark = yylval;
    929 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    930         *++yystack.p_mark = yylloc;
    931 #endif
    932         yychar = YYEMPTY;
    933         if (yyerrflag > 0)  --yyerrflag;
    934         goto yyloop;
    935     }
    936     if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
    937             yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
    938     {
    939         yyn = yytable[yyn];
    940         goto yyreduce;
    941     }
    942     if (yyerrflag != 0) goto yyinrecovery;
    943 #if YYBTYACC
    944 
    945     yynewerrflag = 1;
    946     goto yyerrhandler;
    947     goto yyerrlab; /* redundant goto avoids 'unused label' warning */
    948 
    949 yyerrlab:
    950     /* explicit YYERROR from an action -- pop the rhs of the rule reduced
    951      * before looking for error recovery */
    952     yystack.s_mark -= yym;
    953     yystate = *yystack.s_mark;
    954     yystack.l_mark -= yym;
    955 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    956     yystack.p_mark -= yym;
    957 #endif
    958 
    959     yynewerrflag = 0;
    960 yyerrhandler:
    961     while (yyps->save)
    962     {
    963         int ctry;
    964         YYParseState *save = yyps->save;
    965 #if YYDEBUG
    966         if (yydebug)
    967             fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n",
    968                             YYDEBUGSTR, yydepth, yystate, yyps->save->state,
    969                     (int)(yylvp - yylvals - yyps->save->lexeme));
    970 #endif
    971         /* Memorize most forward-looking error state in case it's really an error. */
    972         if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals)
    973         {
    974             /* Free old saved error context state */
    975             if (yyerrctx) yyFreeState(yyerrctx);
    976             /* Create and fill out new saved error context state */
    977             yyerrctx                 = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
    978             if (yyerrctx == NULL) goto yyenomem;
    979             yyerrctx->save           = yyps->save;
    980             yyerrctx->state          = yystate;
    981             yyerrctx->errflag        = yyerrflag;
    982             yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base);
    983             memcpy (yyerrctx->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
    984             yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base);
    985             memcpy (yyerrctx->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
    986 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    987             yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base);
    988             memcpy (yyerrctx->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
    989 #endif
    990             yyerrctx->lexeme         = (int) (yylvp - yylvals);
    991         }
    992         yylvp          = yylvals   + save->lexeme;
    993 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
    994         yylpp          = yylpsns   + save->lexeme;
    995 #endif
    996         yylexp         = yylexemes + save->lexeme;
    997         yychar         = YYEMPTY;
    998         yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base);
    999         memcpy (yystack.s_base, save->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
   1000         yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base);
   1001         memcpy (yystack.l_base, save->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
   1002 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1003         yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base);
   1004         memcpy (yystack.p_base, save->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
   1005 #endif
   1006         ctry           = ++save->ctry;
   1007         yystate        = save->state;
   1008         /* We tried shift, try reduce now */
   1009         if ((yyn = yyctable[ctry]) >= 0) goto yyreduce;
   1010         yyps->save     = save->save;
   1011         save->save     = NULL;
   1012         yyFreeState(save);
   1013 
   1014         /* Nothing left on the stack -- error */
   1015         if (!yyps->save)
   1016         {
   1017 #if YYDEBUG
   1018             if (yydebug)
   1019                 fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n",
   1020                                 YYPREFIX, yydepth);
   1021 #endif
   1022             /* Restore state as it was in the most forward-advanced error */
   1023             yylvp          = yylvals   + yyerrctx->lexeme;
   1024 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1025             yylpp          = yylpsns   + yyerrctx->lexeme;
   1026 #endif
   1027             yylexp         = yylexemes + yyerrctx->lexeme;
   1028             yychar         = yylexp[-1];
   1029             yylval         = yylvp[-1];
   1030 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1031             yylloc         = yylpp[-1];
   1032 #endif
   1033             yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base);
   1034             memcpy (yystack.s_base, yyerrctx->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
   1035             yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base);
   1036             memcpy (yystack.l_base, yyerrctx->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
   1037 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1038             yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base);
   1039             memcpy (yystack.p_base, yyerrctx->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
   1040 #endif
   1041             yystate        = yyerrctx->state;
   1042             yyFreeState(yyerrctx);
   1043             yyerrctx       = NULL;
   1044         }
   1045         yynewerrflag = 1;
   1046     }
   1047     if (yynewerrflag == 0) goto yyinrecovery;
   1048 #endif /* YYBTYACC */
   1049 
   1050     YYERROR_CALL("syntax error");
   1051 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1052     yyerror_loc_range[0] = yylloc; /* lookahead position is error start position */
   1053 #endif
   1054 
   1055 #if !YYBTYACC
   1056     goto yyerrlab; /* redundant goto avoids 'unused label' warning */
   1057 yyerrlab:
   1058 #endif
   1059     ++yynerrs;
   1060 
   1061 yyinrecovery:
   1062     if (yyerrflag < 3)
   1063     {
   1064         yyerrflag = 3;
   1065         for (;;)
   1066         {
   1067             if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
   1068                     yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
   1069             {
   1070 #if YYDEBUG
   1071                 if (yydebug)
   1072                     fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n",
   1073                                     YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]);
   1074 #endif
   1075                 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
   1076                 yystate = yytable[yyn];
   1077                 *++yystack.s_mark = yytable[yyn];
   1078                 *++yystack.l_mark = yylval;
   1079 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1080                 /* lookahead position is error end position */
   1081                 yyerror_loc_range[1] = yylloc;
   1082                 YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */
   1083                 *++yystack.p_mark = yyloc;
   1084 #endif
   1085                 goto yyloop;
   1086             }
   1087             else
   1088             {
   1089 #if YYDEBUG
   1090                 if (yydebug)
   1091                     fprintf(stderr, "%s[%d]: error recovery discarding state %d\n",
   1092                                     YYDEBUGSTR, yydepth, *yystack.s_mark);
   1093 #endif
   1094                 if (yystack.s_mark <= yystack.s_base) goto yyabort;
   1095 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1096                 /* the current TOS position is the error start position */
   1097                 yyerror_loc_range[0] = *yystack.p_mark;
   1098 #endif
   1099 #if defined(YYDESTRUCT_CALL)
   1100 #if YYBTYACC
   1101                 if (!yytrial)
   1102 #endif /* YYBTYACC */
   1103 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1104                     YYDESTRUCT_CALL("error: discarding state",
   1105                                     yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark);
   1106 #else
   1107                     YYDESTRUCT_CALL("error: discarding state",
   1108                                     yystos[*yystack.s_mark], yystack.l_mark);
   1109 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
   1110 #endif /* defined(YYDESTRUCT_CALL) */
   1111                 --yystack.s_mark;
   1112                 --yystack.l_mark;
   1113 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1114                 --yystack.p_mark;
   1115 #endif
   1116             }
   1117         }
   1118     }
   1119     else
   1120     {
   1121         if (yychar == YYEOF) goto yyabort;
   1122 #if YYDEBUG
   1123         if (yydebug)
   1124         {
   1125             if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
   1126             fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n",
   1127                             YYDEBUGSTR, yydepth, yystate, yychar, yys);
   1128         }
   1129 #endif
   1130 #if defined(YYDESTRUCT_CALL)
   1131 #if YYBTYACC
   1132         if (!yytrial)
   1133 #endif /* YYBTYACC */
   1134 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1135             YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc);
   1136 #else
   1137             YYDESTRUCT_CALL("error: discarding token", yychar, &yylval);
   1138 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
   1139 #endif /* defined(YYDESTRUCT_CALL) */
   1140         yychar = YYEMPTY;
   1141         goto yyloop;
   1142     }
   1143 
   1144 yyreduce:
   1145     yym = yylen[yyn];
   1146 #if YYDEBUG
   1147     if (yydebug)
   1148     {
   1149         fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)",
   1150                         YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]);
   1151 #ifdef YYSTYPE_TOSTRING
   1152 #if YYBTYACC
   1153         if (!yytrial)
   1154 #endif /* YYBTYACC */
   1155             if (yym > 0)
   1156             {
   1157                 int i;
   1158                 fputc('<', stderr);
   1159                 for (i = yym; i > 0; i--)
   1160                 {
   1161                     if (i != yym) fputs(", ", stderr);
   1162                     fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]],
   1163                                            yystack.l_mark[1-i]), stderr);
   1164                 }
   1165                 fputc('>', stderr);
   1166             }
   1167 #endif
   1168         fputc('\n', stderr);
   1169     }
   1170 #endif
   1171     if (yym > 0)
   1172         yyval = yystack.l_mark[1-yym];
   1173     else
   1174         memset(&yyval, 0, sizeof yyval);
   1175 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1176 
   1177     /* Perform position reduction */
   1178     memset(&yyloc, 0, sizeof(yyloc));
   1179 #if YYBTYACC
   1180     if (!yytrial)
   1181 #endif /* YYBTYACC */
   1182     {
   1183         YYLLOC_DEFAULT(yyloc, &yystack.p_mark[1-yym], yym);
   1184         /* just in case YYERROR is invoked within the action, save
   1185            the start of the rhs as the error start position */
   1186         yyerror_loc_range[0] = yystack.p_mark[1-yym];
   1187     }
   1188 #endif
   1189 
   1190     switch (yyn)
   1191     {
   1192 case 3:
   1193 #line 35 "calc2.y"
   1194 	{  yyerrok ; }
   1195 break;
   1196 case 4:
   1197 #line 39 "calc2.y"
   1198 	{  printf("%d\n",yystack.l_mark[0]);}
   1199 break;
   1200 case 5:
   1201 #line 41 "calc2.y"
   1202 	{  regs[yystack.l_mark[-2]] = yystack.l_mark[0]; }
   1203 break;
   1204 case 6:
   1205 #line 45 "calc2.y"
   1206 	{  yyval = yystack.l_mark[-1]; }
   1207 break;
   1208 case 7:
   1209 #line 47 "calc2.y"
   1210 	{  yyval = yystack.l_mark[-2] + yystack.l_mark[0]; }
   1211 break;
   1212 case 8:
   1213 #line 49 "calc2.y"
   1214 	{  yyval = yystack.l_mark[-2] - yystack.l_mark[0]; }
   1215 break;
   1216 case 9:
   1217 #line 51 "calc2.y"
   1218 	{  yyval = yystack.l_mark[-2] * yystack.l_mark[0]; }
   1219 break;
   1220 case 10:
   1221 #line 53 "calc2.y"
   1222 	{  yyval = yystack.l_mark[-2] / yystack.l_mark[0]; }
   1223 break;
   1224 case 11:
   1225 #line 55 "calc2.y"
   1226 	{  yyval = yystack.l_mark[-2] % yystack.l_mark[0]; }
   1227 break;
   1228 case 12:
   1229 #line 57 "calc2.y"
   1230 	{  yyval = yystack.l_mark[-2] & yystack.l_mark[0]; }
   1231 break;
   1232 case 13:
   1233 #line 59 "calc2.y"
   1234 	{  yyval = yystack.l_mark[-2] | yystack.l_mark[0]; }
   1235 break;
   1236 case 14:
   1237 #line 61 "calc2.y"
   1238 	{  yyval = - yystack.l_mark[0]; }
   1239 break;
   1240 case 15:
   1241 #line 63 "calc2.y"
   1242 	{  yyval = regs[yystack.l_mark[0]]; }
   1243 break;
   1244 case 17:
   1245 #line 68 "calc2.y"
   1246 	{  yyval = yystack.l_mark[0]; (*base) = (yystack.l_mark[0]==0) ? 8 : 10; }
   1247 break;
   1248 case 18:
   1249 #line 70 "calc2.y"
   1250 	{  yyval = (*base) * yystack.l_mark[-1] + yystack.l_mark[0]; }
   1251 break;
   1252 #line 1251 "calc2.tab.c"
   1253     default:
   1254         break;
   1255     }
   1256     yystack.s_mark -= yym;
   1257     yystate = *yystack.s_mark;
   1258     yystack.l_mark -= yym;
   1259 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1260     yystack.p_mark -= yym;
   1261 #endif
   1262     yym = yylhs[yyn];
   1263     if (yystate == 0 && yym == 0)
   1264     {
   1265 #if YYDEBUG
   1266         if (yydebug)
   1267         {
   1268             fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
   1269 #ifdef YYSTYPE_TOSTRING
   1270 #if YYBTYACC
   1271             if (!yytrial)
   1272 #endif /* YYBTYACC */
   1273                 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval));
   1274 #endif
   1275             fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL);
   1276         }
   1277 #endif
   1278         yystate = YYFINAL;
   1279         *++yystack.s_mark = YYFINAL;
   1280         *++yystack.l_mark = yyval;
   1281 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1282         *++yystack.p_mark = yyloc;
   1283 #endif
   1284         if (yychar < 0)
   1285         {
   1286 #if YYBTYACC
   1287             do {
   1288             if (yylvp < yylve)
   1289             {
   1290                 /* we're currently re-reading tokens */
   1291                 yylval = *yylvp++;
   1292 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1293                 yylloc = *yylpp++;
   1294 #endif
   1295                 yychar = *yylexp++;
   1296                 break;
   1297             }
   1298             if (yyps->save)
   1299             {
   1300                 /* in trial mode; save scanner results for future parse attempts */
   1301                 if (yylvp == yylvlim)
   1302                 {   /* Enlarge lexical value queue */
   1303                     size_t p = (size_t) (yylvp - yylvals);
   1304                     size_t s = (size_t) (yylvlim - yylvals);
   1305 
   1306                     s += YYLVQUEUEGROWTH;
   1307                     if ((yylexemes = realloc(yylexemes, s * sizeof(YYINT))) == NULL)
   1308                         goto yyenomem;
   1309                     if ((yylvals   = realloc(yylvals, s * sizeof(YYSTYPE))) == NULL)
   1310                         goto yyenomem;
   1311 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1312                     if ((yylpsns   = realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL)
   1313                         goto yyenomem;
   1314 #endif
   1315                     yylvp   = yylve = yylvals + p;
   1316                     yylvlim = yylvals + s;
   1317 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1318                     yylpp   = yylpe = yylpsns + p;
   1319                     yylplim = yylpsns + s;
   1320 #endif
   1321                     yylexp  = yylexemes + p;
   1322                 }
   1323                 *yylexp = (YYINT) YYLEX;
   1324                 *yylvp++ = yylval;
   1325                 yylve++;
   1326 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1327                 *yylpp++ = yylloc;
   1328                 yylpe++;
   1329 #endif
   1330                 yychar = *yylexp++;
   1331                 break;
   1332             }
   1333             /* normal operation, no conflict encountered */
   1334 #endif /* YYBTYACC */
   1335             yychar = YYLEX;
   1336 #if YYBTYACC
   1337             } while (0);
   1338 #endif /* YYBTYACC */
   1339             if (yychar < 0) yychar = YYEOF;
   1340 #if YYDEBUG
   1341             if (yydebug)
   1342             {
   1343                 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
   1344                 fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)\n",
   1345                                 YYDEBUGSTR, yydepth, YYFINAL, yychar, yys);
   1346             }
   1347 #endif
   1348         }
   1349         if (yychar == YYEOF) goto yyaccept;
   1350         goto yyloop;
   1351     }
   1352     if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
   1353             yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
   1354         yystate = yytable[yyn];
   1355     else
   1356         yystate = yydgoto[yym];
   1357 #if YYDEBUG
   1358     if (yydebug)
   1359     {
   1360         fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
   1361 #ifdef YYSTYPE_TOSTRING
   1362 #if YYBTYACC
   1363         if (!yytrial)
   1364 #endif /* YYBTYACC */
   1365             fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval));
   1366 #endif
   1367         fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate);
   1368     }
   1369 #endif
   1370     if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
   1371     *++yystack.s_mark = (YYINT) yystate;
   1372     *++yystack.l_mark = yyval;
   1373 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1374     *++yystack.p_mark = yyloc;
   1375 #endif
   1376     goto yyloop;
   1377 #if YYBTYACC
   1378 
   1379     /* Reduction declares that this path is valid. Set yypath and do a full parse */
   1380 yyvalid:
   1381     if (yypath) YYABORT;
   1382     while (yyps->save)
   1383     {
   1384         YYParseState *save = yyps->save;
   1385         yyps->save = save->save;
   1386         save->save = yypath;
   1387         yypath = save;
   1388     }
   1389 #if YYDEBUG
   1390     if (yydebug)
   1391         fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n",
   1392                         YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme));
   1393 #endif
   1394     if (yyerrctx)
   1395     {
   1396         yyFreeState(yyerrctx);
   1397         yyerrctx = NULL;
   1398     }
   1399     yylvp          = yylvals + yypath->lexeme;
   1400 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1401     yylpp          = yylpsns + yypath->lexeme;
   1402 #endif
   1403     yylexp         = yylexemes + yypath->lexeme;
   1404     yychar         = YYEMPTY;
   1405     yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base);
   1406     memcpy (yystack.s_base, yypath->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
   1407     yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base);
   1408     memcpy (yystack.l_base, yypath->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
   1409 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1410     yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base);
   1411     memcpy (yystack.p_base, yypath->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
   1412 #endif
   1413     yystate        = yypath->state;
   1414     goto yyloop;
   1415 #endif /* YYBTYACC */
   1416 
   1417 yyoverflow:
   1418     YYERROR_CALL("yacc stack overflow");
   1419 #if YYBTYACC
   1420     goto yyabort_nomem;
   1421 yyenomem:
   1422     YYERROR_CALL("memory exhausted");
   1423 yyabort_nomem:
   1424 #endif /* YYBTYACC */
   1425     yyresult = 2;
   1426     goto yyreturn;
   1427 
   1428 yyabort:
   1429     yyresult = 1;
   1430     goto yyreturn;
   1431 
   1432 yyaccept:
   1433 #if YYBTYACC
   1434     if (yyps->save) goto yyvalid;
   1435 #endif /* YYBTYACC */
   1436     yyresult = 0;
   1437 
   1438 yyreturn:
   1439 #if defined(YYDESTRUCT_CALL)
   1440     if (yychar != YYEOF && yychar != YYEMPTY)
   1441 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1442         YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc);
   1443 #else
   1444         YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval);
   1445 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
   1446 
   1447     {
   1448         YYSTYPE *pv;
   1449 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
   1450         YYLTYPE *pp;
   1451 
   1452         for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp)
   1453              YYDESTRUCT_CALL("cleanup: discarding state",
   1454                              yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp);
   1455 #else
   1456         for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv)
   1457              YYDESTRUCT_CALL("cleanup: discarding state",
   1458                              yystos[*(yystack.s_base + (pv - yystack.l_base))], pv);
   1459 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
   1460     }
   1461 #endif /* defined(YYDESTRUCT_CALL) */
   1462 
   1463 #if YYBTYACC
   1464     if (yyerrctx)
   1465     {
   1466         yyFreeState(yyerrctx);
   1467         yyerrctx = NULL;
   1468     }
   1469     while (yyps)
   1470     {
   1471         YYParseState *save = yyps;
   1472         yyps = save->save;
   1473         save->save = NULL;
   1474         yyFreeState(save);
   1475     }
   1476     while (yypath)
   1477     {
   1478         YYParseState *save = yypath;
   1479         yypath = save->save;
   1480         save->save = NULL;
   1481         yyFreeState(save);
   1482     }
   1483 #endif /* YYBTYACC */
   1484     yyfreestack(&yystack);
   1485     return (yyresult);
   1486 }
   1487