Source File rpsl/inet6num.tab.c

    1    |
    2    | /*  A Bison parser, made from inet6num.y
    3    |     by GNU Bison version 1.28  */
    4    |
    5    | #define YYBISON 1  /* Identify Bison output.  */
    6    |
    7    | #define yyparse inet6numparse
    8    | #define yylex inet6numlex
    9    | #define yyerror inet6numerror
    10   | #define yylval inet6numlval
    11   | #define yychar inet6numchar
    12   | #define yydebug inet6numdebug
    13   | #define yynerrs inet6numnerrs
    14   | #define	TKN_IPV6	257
    15   |
    16   | #line 1 "inet6num.y"
    17   |
    18   | /*
    19   |   filename: inet6num.y
    20   |
    21   |   description:
    22   |     Defines the grammar for an RPSL inet6num attribute.
    23   |
    24   |   notes:
    25   |     Defines tokens for the associated lexer, inet6num.l.
    26   | */
    27   |
    28   | /******************
    29   |   Copyright (c) 2002                                        RIPE NCC
    30   |
    31   |   All Rights Reserved
    32   |
    33   |   Permission to use, copy, modify, and distribute this software and its
    34   |   documentation for any purpose and without fee is hereby granted,
    35   |   provided that the above copyright notice appear in all copies and that
    36   |   both that copyright notice and this permission notice appear in
    37   |   supporting documentation, and that the name of the author not be
    38   |   used in advertising or publicity pertaining to distribution of the
    39   |   software without specific, written prior permission.
    40   |
    41   |   THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
    42   |   ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS; IN NO EVENT SHALL
    43   |   AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
    44   |   DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
    45   |   AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    46   |   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
    47   |   ***************************************/
    48   |
    49   | #include <stdlib.h>
    50   |
    51   | int yyerror(const char *s);
    52   | #ifndef YYSTYPE
    53   | #define YYSTYPE int
    54   | #endif
    55   | #include <stdio.h>
    56   |
    57   | #ifndef __cplusplus
    58   | #ifndef __STDC__
    59   | #define const
    60   | #endif
    61   | #endif
    62   |
    63   |
    64   |
    65   | #define	YYFINAL		4
    66   | #define	YYFLAG		-32768
    67   | #define	YYNTBASE	4
    68   |
    69   | #define YYTRANSLATE(x) ((unsigned)(x) <= 257 ? yytranslate[x] : 5)
    70   |
    71   | static const char yytranslate[] = {     0,
    72   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    73   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    74   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    75   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    76   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    77   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    78   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    79   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    80   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    81   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    82   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    83   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    84   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    85   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    86   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    87   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    88   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    89   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    90   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    91   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    92   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    93   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    94   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    95   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    96   |      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    97   |      2,     2,     2,     2,     2,     1,     3
    98   | };
    99   |
    100  | #if YYDEBUG != 0
    101  | static const short yyprhs[] = {     0,
    102  |      0
    103  | };
    104  |
    105  | static const short yyrhs[] = {     3,
    106  |      0
    107  | };
    108  |
    109  | #endif
    110  |
    111  | #if YYDEBUG != 0
    112  | static const short yyrline[] = { 0,
    113  |     42
    114  | };
    115  | #endif
    116  |
    117  |
    118  | #if YYDEBUG != 0 || defined (YYERROR_VERBOSE)
    119  |
    120  | static const char * const yytname[] = {   "$","error","$undefined.","TKN_IPV6",
    121  | "inet6num", NULL
    122  | };
    123  | #endif
    124  |
    125  | static const short yyr1[] = {     0,
    126  |      4
    127  | };
    128  |
    129  | static const short yyr2[] = {     0,
    130  |      1
    131  | };
    132  |
    133  | static const short yydefact[] = {     0,
    134  |      1,     0,     0,     0
    135  | };
    136  |
    137  | static const short yydefgoto[] = {     2
    138  | };
    139  |
    140  | static const short yypact[] = {    -3,
    141  | -32768,     1,     2,-32768
    142  | };
    143  |
    144  | static const short yypgoto[] = {-32768
    145  | };
    146  |
    147  |
    148  | #define	YYLAST		2
    149  |
    150  |
    151  | static const short yytable[] = {     1,
    152  |      3,     4
    153  | };
    154  |
    155  | static const short yycheck[] = {     3,
    156  |      0,     0
    157  | };
    158  | /* -*-C-*-  Note some compilers choke on comments on `#line' lines.  */
    159  | #line 3 "/usr/local/share/bison.simple"
    160  | /* This file comes from bison-1.28.  */
    161  |
    162  | /* Skeleton output parser for bison,
    163  |    Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
    164  |
    165  |    This program is free software; you can redistribute it and/or modify
    166  |    it under the terms of the GNU General Public License as published by
    167  |    the Free Software Foundation; either version 2, or (at your option)
    168  |    any later version.
    169  |
    170  |    This program is distributed in the hope that it will be useful,
    171  |    but WITHOUT ANY WARRANTY; without even the implied warranty of
    172  |    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    173  |    GNU General Public License for more details.
    174  |
    175  |    You should have received a copy of the GNU General Public License
    176  |    along with this program; if not, write to the Free Software
    177  |    Foundation, Inc., 59 Temple Place - Suite 330,
    178  |    Boston, MA 02111-1307, USA.  */
    179  |
    180  | /* As a special exception, when this file is copied by Bison into a
    181  |    Bison output file, you may use that output file without restriction.
    182  |    This special exception was added by the Free Software Foundation
    183  |    in version 1.24 of Bison.  */
    184  |
    185  | /* This is the parser code that is written into each bison parser
    186  |   when the %semantic_parser declaration is not specified in the grammar.
    187  |   It was written by Richard Stallman by simplifying the hairy parser
    188  |   used when %semantic_parser is specified.  */
    189  |
    190  | #ifndef YYSTACK_USE_ALLOCA
    191  | #ifdef alloca
    192  | #define YYSTACK_USE_ALLOCA
    193  | #else /* alloca not defined */
    194  | #ifdef __GNUC__
    195  | #define YYSTACK_USE_ALLOCA
    196  | #define alloca __builtin_alloca
    197  | #else /* not GNU C.  */
    198  | #if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386))
    199  | #define YYSTACK_USE_ALLOCA
    200  | #include <alloca.h>
    201  | #else /* not sparc */
    202  | /* We think this test detects Watcom and Microsoft C.  */
    203  | /* This used to test MSDOS, but that is a bad idea
    204  |    since that symbol is in the user namespace.  */
    205  | #if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__)
    206  | #if 0 /* No need for malloc.h, which pollutes the namespace;
    207  | 	 instead, just don't use alloca.  */
    208  | #include <malloc.h>
    209  | #endif
    210  | #else /* not MSDOS, or __TURBOC__ */
    211  | #if defined(_AIX)
    212  | /* I don't know what this was needed for, but it pollutes the namespace.
    213  |    So I turned it off.   rms, 2 May 1997.  */
    214  | /* #include <malloc.h>  */
    215  |  #pragma alloca
    216  | #define YYSTACK_USE_ALLOCA
    217  | #else /* not MSDOS, or __TURBOC__, or _AIX */
    218  | #if 0
    219  | #ifdef __hpux /* haible@ilog.fr says this works for HPUX 9.05 and up,
    220  | 		 and on HPUX 10.  Eventually we can turn this on.  */
    221  | #define YYSTACK_USE_ALLOCA
    222  | #define alloca __builtin_alloca
    223  | #endif /* __hpux */
    224  | #endif
    225  | #endif /* not _AIX */
    226  | #endif /* not MSDOS, or __TURBOC__ */
    227  | #endif /* not sparc */
    228  | #endif /* not GNU C */
    229  | #endif /* alloca not defined */
    230  | #endif /* YYSTACK_USE_ALLOCA not defined */
    231  |
    232  | #ifdef YYSTACK_USE_ALLOCA
    233  | #define YYSTACK_ALLOC alloca
    234  | #else
    235  | #define YYSTACK_ALLOC malloc
    236  | #endif
    237  |
    238  | /* Note: there must be only one dollar sign in this file.
    239  |    It is replaced by the list of actions, each action
    240  |    as one case of the switch.  */
    241  |
    242  | #define yyerrok		(yyerrstatus = 0)
    243  | #define yyclearin	(yychar = YYEMPTY)
    244  | #define YYEMPTY		-2
    245  | #define YYEOF		0
    246  | #define YYACCEPT	goto yyacceptlab
    247  | #define YYABORT 	goto yyabortlab
    248  | #define YYERROR		goto yyerrlab1
    249  | /* Like YYERROR except do call yyerror.
    250  |    This remains here temporarily to ease the
    251  |    transition to the new meaning of YYERROR, for GCC.
    252  |    Once GCC version 2 has supplanted version 1, this can go.  */
    253  | #define YYFAIL		goto yyerrlab
    254  | #define YYRECOVERING()  (!!yyerrstatus)
    255  | #define YYBACKUP(token, value) \
    256  | do								\
    257  |   if (yychar == YYEMPTY && yylen == 1)				\
    258  |     { yychar = (token), yylval = (value);			\
    259  |       yychar1 = YYTRANSLATE (yychar);				\
    260  |       YYPOPSTACK;						\
    261  |       goto yybackup;						\
    262  |     }								\
    263  |   else								\
    264  |     { yyerror ("syntax error: cannot back up"); YYERROR; }	\
    265  | while (0)
    266  |
    267  | #define YYTERROR	1
    268  | #define YYERRCODE	256
    269  |
    270  | #ifndef YYPURE
    271  | #define YYLEX		yylex()
    272  | #endif
    273  |
    274  | #ifdef YYPURE
    275  | #ifdef YYLSP_NEEDED
    276  | #ifdef YYLEX_PARAM
    277  | #define YYLEX		yylex(&yylval, &yylloc, YYLEX_PARAM)
    278  | #else
    279  | #define YYLEX		yylex(&yylval, &yylloc)
    280  | #endif
    281  | #else /* not YYLSP_NEEDED */
    282  | #ifdef YYLEX_PARAM
    283  | #define YYLEX		yylex(&yylval, YYLEX_PARAM)
    284  | #else
    285  | #define YYLEX		yylex(&yylval)
    286  | #endif
    287  | #endif /* not YYLSP_NEEDED */
    288  | #endif
    289  |
    290  | /* If nonreentrant, generate the variables here */
    291  |
    292  | #ifndef YYPURE
    293  |
    294  | int	yychar;			/*  the lookahead symbol		*/
    295  | YYSTYPE	yylval;			/*  the semantic value of the		*/
    296  | 				/*  lookahead symbol			*/
    297  |
    298  | #ifdef YYLSP_NEEDED
    299  | YYLTYPE yylloc;			/*  location data for the lookahead	*/
    300  | 				/*  symbol				*/
    301  | #endif
    302  |
    303  | int yynerrs;			/*  number of parse errors so far       */
    304  | #endif  /* not YYPURE */
    305  |
    306  | #if YYDEBUG != 0
    307  | int yydebug;			/*  nonzero means print parse trace	*/
    308  | /* Since this is uninitialized, it does not stop multiple parsers
    309  |    from coexisting.  */
    310  | #endif
    311  |
    312  | /*  YYINITDEPTH indicates the initial size of the parser's stacks	*/
    313  |
    314  | #ifndef	YYINITDEPTH
    315  | #define YYINITDEPTH 200
    316  | #endif
    317  |
    318  | /*  YYMAXDEPTH is the maximum size the stacks can grow to
    319  |     (effective only if the built-in stack extension method is used).  */
    320  |
    321  | #if YYMAXDEPTH == 0
    322  | #undef YYMAXDEPTH
    323  | #endif
    324  |
    325  | #ifndef YYMAXDEPTH
    326  | #define YYMAXDEPTH 10000
    327  | #endif
    328  |
    329  | /* Define __yy_memcpy.  Note that the size argument
    330  |    should be passed with type unsigned int, because that is what the non-GCC
    331  |    definitions require.  With GCC, __builtin_memcpy takes an arg
    332  |    of type size_t, but it can handle unsigned int.  */
    333  |
    334  | #if __GNUC__ > 1		/* GNU C and GNU C++ define this.  */
    335  | #define __yy_memcpy(TO,FROM,COUNT)	__builtin_memcpy(TO,FROM,COUNT)
    336  | #else				/* not GNU C or C++ */
    337  | #ifndef __cplusplus
    338  |
    339  | /* This is the most reliable way to avoid incompatibilities
    340  |    in available built-in functions on various systems.  */
    341  | static void
    342  | __yy_memcpy (to, from, count)
    343  |      char *to;
    344  |      char *from;
    345  |      unsigned int count;
    346  | {
    347  |   register char *f = from;
    348  |   register char *t = to;
    349  |   register int i = count;
    350  |
    351  |   while (i-- > 0)
    352  |     *t++ = *f++;
    353  | }
    354  |
    355  | #else /* __cplusplus */
    356  |
    357  | /* This is the most reliable way to avoid incompatibilities
    358  |    in available built-in functions on various systems.  */
    359  | static void
    360  | __yy_memcpy (char *to, char *from, unsigned int count)
    361  | {
    362  |   register char *t = to;
    363  |   register char *f = from;
    364  |   register int i = count;
    365  |
    366  |   while (i-- > 0)
    367  |     *t++ = *f++;
    368  | }
    369  |
    370  | #endif
    371  | #endif
    372  |
    373  | #line 217 "/usr/local/share/bison.simple"
    374  |
    375  | /* The user can define YYPARSE_PARAM as the name of an argument to be passed
    376  |    into yyparse.  The argument should have type void *.
    377  |    It should actually point to an object.
    378  |    Grammar actions can access the variable by casting it
    379  |    to the proper pointer type.  */
    380  |
    381  | #ifdef YYPARSE_PARAM
    382  | #ifdef __cplusplus
    383  | #define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
    384  | #define YYPARSE_PARAM_DECL
    385  | #else /* not __cplusplus */
    386  | #define YYPARSE_PARAM_ARG YYPARSE_PARAM
    387  | #define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
    388  | #endif /* not __cplusplus */
    389  | #else /* not YYPARSE_PARAM */
    390  | #define YYPARSE_PARAM_ARG
    391  | #define YYPARSE_PARAM_DECL
    392  | #endif /* not YYPARSE_PARAM */
    393  |
    394  | /* Prevent warning if -Wstrict-prototypes.  */
    395  | #ifdef __GNUC__
    396  | #ifdef YYPARSE_PARAM
    397  | int yyparse (void *);
    398  | #else
    399  | int yyparse (void);
    400  | #endif
    401  | #endif
    402  |
    403  | int
    404  | yyparse(YYPARSE_PARAM_ARG)
    405  |      YYPARSE_PARAM_DECL
    406  | {
    407  |   register int yystate;
    408  |   register int yyn;
    409  |   register short *yyssp;
    410  |   register YYSTYPE *yyvsp;
    411  |   int yyerrstatus;	/*  number of tokens to shift before error messages enabled */
    412  |   int yychar1 = 0;		/*  lookahead token as an internal (translated) token number */
    413  |
    414  |   short	yyssa[YYINITDEPTH];	/*  the state stack			*/
    415  |   YYSTYPE yyvsa[YYINITDEPTH];	/*  the semantic value stack		*/
    416  |
    417  |   short *yyss = yyssa;		/*  refer to the stacks thru separate pointers */
    418  |   YYSTYPE *yyvs = yyvsa;	/*  to allow yyoverflow to reallocate them elsewhere */
    419  |
    420  | #ifdef YYLSP_NEEDED
    421  |   YYLTYPE yylsa[YYINITDEPTH];	/*  the location stack			*/
    422  |   YYLTYPE *yyls = yylsa;
    423  |   YYLTYPE *yylsp;
    424  |
    425  | #define YYPOPSTACK   (yyvsp--, yyssp--, yylsp--)
    426  | #else
    427  | #define YYPOPSTACK   (yyvsp--, yyssp--)
    428  | #endif
    429  |
    430  |   int yystacksize = YYINITDEPTH;
    431  |   int yyfree_stacks = 0;
    432  |
    433  | #ifdef YYPURE
    434  |   int yychar;
    435  |   YYSTYPE yylval;
    436  |   int yynerrs;
    437  | #ifdef YYLSP_NEEDED
    438  |   YYLTYPE yylloc;
    439  | #endif
    440  | #endif
    441  |
    442  |   YYSTYPE yyval;		/*  the variable used to return		*/
    443  | 				/*  semantic values from the action	*/
    444  | 				/*  routines				*/
    445  |
    446  |   int yylen;
    447  |
    448  | #if YYDEBUG != 0
    449  |   if (yydebug)
    450  |     fprintf(stderr, "Starting parse\n");
    451  | #endif
    452  |
    453  |   yystate = 0;
    454  |   yyerrstatus = 0;
    455  |   yynerrs = 0;
    456  |   yychar = YYEMPTY;		/* Cause a token to be read.  */
    457  |
    458  |   /* Initialize stack pointers.
    459  |      Waste one element of value and location stack
    460  |      so that they stay on the same level as the state stack.
    461  |      The wasted elements are never initialized.  */
    462  |
    463  |   yyssp = yyss - 1;
    464  |   yyvsp = yyvs;
    465  | #ifdef YYLSP_NEEDED
    466  |   yylsp = yyls;
    467  | #endif
    468  |
    469  | /* Push a new state, which is found in  yystate  .  */
    470  | /* In all cases, when you get here, the value and location stacks
    471  |    have just been pushed. so pushing a state here evens the stacks.  */
    472  | yynewstate:
    473  |
    474  |   *++yyssp = yystate;
    475  |
    476  |   if (yyssp >= yyss + yystacksize - 1)
    477  |     {
    478  |       /* Give user a chance to reallocate the stack */
    479  |       /* Use copies of these so that the &'s don't force the real ones into memory. */
    480  |       YYSTYPE *yyvs1 = yyvs;
    481  |       short *yyss1 = yyss;
    482  | #ifdef YYLSP_NEEDED
    483  |       YYLTYPE *yyls1 = yyls;
    484  | #endif
    485  |
    486  |       /* Get the current used size of the three stacks, in elements.  */
    487  |       int size = yyssp - yyss + 1;
    488  |
    489  | #ifdef yyoverflow
    490  |       /* Each stack pointer address is followed by the size of
    491  | 	 the data in use in that stack, in bytes.  */
    492  | #ifdef YYLSP_NEEDED
    493  |       /* This used to be a conditional around just the two extra args,
    494  | 	 but that might be undefined if yyoverflow is a macro.  */
    495  |       yyoverflow("parser stack overflow",
    496  | 		 &yyss1, size * sizeof (*yyssp),
    497  | 		 &yyvs1, size * sizeof (*yyvsp),
    498  | 		 &yyls1, size * sizeof (*yylsp),
    499  | 		 &yystacksize);
    500  | #else
    501  |       yyoverflow("parser stack overflow",
    502  | 		 &yyss1, size * sizeof (*yyssp),
    503  | 		 &yyvs1, size * sizeof (*yyvsp),
    504  | 		 &yystacksize);
    505  | #endif
    506  |
    507  |       yyss = yyss1; yyvs = yyvs1;
    508  | #ifdef YYLSP_NEEDED
    509  |       yyls = yyls1;
    510  | #endif
    511  | #else /* no yyoverflow */
    512  |       /* Extend the stack our own way.  */
    513  |       if (yystacksize >= YYMAXDEPTH)
    514  | 	{
    515  | 	  yyerror("parser stack overflow");
    516  | 	  if (yyfree_stacks)
    517  | 	    {
    518  | 	      free (yyss);
    519  | 	      free (yyvs);
    520  | #ifdef YYLSP_NEEDED
    521  | 	      free (yyls);
    522  | #endif
    523  | 	    }
    524  | 	  return 2;
    525  | 	}
    526  |       yystacksize *= 2;
    527  |       if (yystacksize > YYMAXDEPTH)
    528  | 	yystacksize = YYMAXDEPTH;
    529  | #ifndef YYSTACK_USE_ALLOCA
    530  |       yyfree_stacks = 1;
    531  | #endif
    532  |       yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp));
    533  |       __yy_memcpy ((char *)yyss, (char *)yyss1,
    534  | 		   size * (unsigned int) sizeof (*yyssp));
    535  |       yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp));
    536  |       __yy_memcpy ((char *)yyvs, (char *)yyvs1,
    537  | 		   size * (unsigned int) sizeof (*yyvsp));
    538  | #ifdef YYLSP_NEEDED
    539  |       yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp));
    540  |       __yy_memcpy ((char *)yyls, (char *)yyls1,
    541  | 		   size * (unsigned int) sizeof (*yylsp));
    542  | #endif
    543  | #endif /* no yyoverflow */
    544  |
    545  |       yyssp = yyss + size - 1;
    546  |       yyvsp = yyvs + size - 1;
    547  | #ifdef YYLSP_NEEDED
    548  |       yylsp = yyls + size - 1;
    549  | #endif
    550  |
    551  | #if YYDEBUG != 0
    552  |       if (yydebug)
    553  | 	fprintf(stderr, "Stack size increased to %d\n", yystacksize);
    554  | #endif
    555  |
    556  |       if (yyssp >= yyss + yystacksize - 1)
    557  | 	YYABORT;
    558  |     }
    559  |
    560  | #if YYDEBUG != 0
    561  |   if (yydebug)
    562  |     fprintf(stderr, "Entering state %d\n", yystate);
    563  | #endif
    564  |
    565  |   goto yybackup;
    566  |  yybackup:
    567  |
    568  | /* Do appropriate processing given the current state.  */
    569  | /* Read a lookahead token if we need one and don't already have one.  */
    570  | /* yyresume: */
    571  |
    572  |   /* First try to decide what to do without reference to lookahead token.  */
    573  |
    574  |   yyn = yypact[yystate];
    575  |   if (yyn == YYFLAG)
    576  |     goto yydefault;
    577  |
    578  |   /* Not known => get a lookahead token if don't already have one.  */
    579  |
    580  |   /* yychar is either YYEMPTY or YYEOF
    581  |      or a valid token in external form.  */
    582  |
    583  |   if (yychar == YYEMPTY)
    584  |     {
    585  | #if YYDEBUG != 0
    586  |       if (yydebug)
    587  | 	fprintf(stderr, "Reading a token: ");
    588  | #endif
    589  |       yychar = YYLEX;
    590  |     }
    591  |
    592  |   /* Convert token to internal form (in yychar1) for indexing tables with */
    593  |
    594  |   if (yychar <= 0)		/* This means end of input. */
    595  |     {
    596  |       yychar1 = 0;
    597  |       yychar = YYEOF;		/* Don't call YYLEX any more */
    598  |
    599  | #if YYDEBUG != 0
    600  |       if (yydebug)
    601  | 	fprintf(stderr, "Now at end of input.\n");
    602  | #endif
    603  |     }
    604  |   else
    605  |     {
    606  |       yychar1 = YYTRANSLATE(yychar);
    607  |
    608  | #if YYDEBUG != 0
    609  |       if (yydebug)
    610  | 	{
    611  | 	  fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
    612  | 	  /* Give the individual parser a way to print the precise meaning
    613  | 	     of a token, for further debugging info.  */
    614  | #ifdef YYPRINT
    615  | 	  YYPRINT (stderr, yychar, yylval);
    616  | #endif
    617  | 	  fprintf (stderr, ")\n");
    618  | 	}
    619  | #endif
    620  |     }
    621  |
    622  |   yyn += yychar1;
    623  |   if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
    624  |     goto yydefault;
    625  |
    626  |   yyn = yytable[yyn];
    627  |
    628  |   /* yyn is what to do for this token type in this state.
    629  |      Negative => reduce, -yyn is rule number.
    630  |      Positive => shift, yyn is new state.
    631  |        New state is final state => don't bother to shift,
    632  |        just return success.
    633  |      0, or most negative number => error.  */
    634  |
    635  |   if (yyn < 0)
    636  |     {
    637  |       if (yyn == YYFLAG)
    638  | 	goto yyerrlab;
    639  |       yyn = -yyn;
    640  |       goto yyreduce;
    641  |     }
    642  |   else if (yyn == 0)
    643  |     goto yyerrlab;
    644  |
    645  |   if (yyn == YYFINAL)
    646  |     YYACCEPT;
    647  |
    648  |   /* Shift the lookahead token.  */
    649  |
    650  | #if YYDEBUG != 0
    651  |   if (yydebug)
    652  |     fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
    653  | #endif
    654  |
    655  |   /* Discard the token being shifted unless it is eof.  */
    656  |   if (yychar != YYEOF)
    657  |     yychar = YYEMPTY;
    658  |
    659  |   *++yyvsp = yylval;
    660  | #ifdef YYLSP_NEEDED
    661  |   *++yylsp = yylloc;
    662  | #endif
    663  |
    664  |   /* count tokens shifted since error; after three, turn off error status.  */
    665  |   if (yyerrstatus) yyerrstatus--;
    666  |
    667  |   yystate = yyn;
    668  |   goto yynewstate;
    669  |
    670  | /* Do the default action for the current state.  */
    671  | yydefault:
    672  |
    673  |   yyn = yydefact[yystate];
    674  |   if (yyn == 0)
    675  |     goto yyerrlab;
    676  |
    677  | /* Do a reduction.  yyn is the number of a rule to reduce with.  */
    678  | yyreduce:
    679  |   yylen = yyr2[yyn];
    680  |   if (yylen > 0)
    681  |     yyval = yyvsp[1-yylen]; /* implement default value of the action */
    682  |
    683  | #if YYDEBUG != 0
    684  |   if (yydebug)
    685  |     {
    686  |       int i;
    687  |
    688  |       fprintf (stderr, "Reducing via rule %d (line %d), ",
    689  | 	       yyn, yyrline[yyn]);
    690  |
    691  |       /* Print the symbols being reduced, and their result.  */
    692  |       for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
    693  | 	fprintf (stderr, "%s ", yytname[yyrhs[i]]);
    694  |       fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
    695  |     }
    696  | #endif
    697  |
    698  |
    699  |   switch (yyn) {
    700  |
    701  | }
    702  |    /* the action file gets copied in in place of this dollarsign */
    703  | #line 543 "/usr/local/share/bison.simple"
    704  |
    705  |   yyvsp -= yylen;
    706  |   yyssp -= yylen;
    707  | #ifdef YYLSP_NEEDED
    708  |   yylsp -= yylen;
    709  | #endif
    710  |
    711  | #if YYDEBUG != 0
    712  |   if (yydebug)
    713  |     {
    714  |       short *ssp1 = yyss - 1;
    715  |       fprintf (stderr, "state stack now");
    716  |       while (ssp1 != yyssp)
    717  | 	fprintf (stderr, " %d", *++ssp1);
    718  |       fprintf (stderr, "\n");
    719  |     }
    720  | #endif
    721  |
    722  |   *++yyvsp = yyval;
    723  |
    724  | #ifdef YYLSP_NEEDED
    725  |   yylsp++;
    726  |   if (yylen == 0)
    727  |     {
    728  |       yylsp->first_line = yylloc.first_line;
    729  |       yylsp->first_column = yylloc.first_column;
    730  |       yylsp->last_line = (yylsp-1)->last_line;
    731  |       yylsp->last_column = (yylsp-1)->last_column;
    732  |       yylsp->text = 0;
    733  |     }
    734  |   else
    735  |     {
    736  |       yylsp->last_line = (yylsp+yylen-1)->last_line;
    737  |       yylsp->last_column = (yylsp+yylen-1)->last_column;
    738  |     }
    739  | #endif
    740  |
    741  |   /* Now "shift" the result of the reduction.
    742  |      Determine what state that goes to,
    743  |      based on the state we popped back to
    744  |      and the rule number reduced by.  */
    745  |
    746  |   yyn = yyr1[yyn];
    747  |
    748  |   yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
    749  |   if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
    750  |     yystate = yytable[yystate];
    751  |   else
    752  |     yystate = yydefgoto[yyn - YYNTBASE];
    753  |
    754  |   goto yynewstate;
    755  |
    756  | yyerrlab:   /* here on detecting error */
    757  |
    758  |   if (! yyerrstatus)
    759  |     /* If not already recovering from an error, report this error.  */
    760  |     {
    761  |       ++yynerrs;
    762  |
    763  | #ifdef YYERROR_VERBOSE
    764  |       yyn = yypact[yystate];
    765  |
    766  |       if (yyn > YYFLAG && yyn < YYLAST)
    767  | 	{
    768  | 	  int size = 0;
    769  | 	  char *msg;
    770  | 	  int x, count;
    771  |
    772  | 	  count = 0;
    773  | 	  /* Start X at -yyn if nec to avoid negative indexes in yycheck.  */
    774  | 	  for (x = (yyn < 0 ? -yyn : 0);
    775  | 	       x < (sizeof(yytname) / sizeof(char *)); x++)
    776  | 	    if (yycheck[x + yyn] == x)
    777  | 	      size += strlen(yytname[x]) + 15, count++;
    778  | 	  msg = (char *) malloc(size + 15);
    779  | 	  if (msg != 0)
    780  | 	    {
    781  | 	      strcpy(msg, "parse error");
    782  |
    783  | 	      if (count < 5)
    784  | 		{
    785  | 		  count = 0;
    786  | 		  for (x = (yyn < 0 ? -yyn : 0);
    787  | 		       x < (sizeof(yytname) / sizeof(char *)); x++)
    788  | 		    if (yycheck[x + yyn] == x)
    789  | 		      {
    790  | 			strcat(msg, count == 0 ? ", expecting `" : " or `");
    791  | 			strcat(msg, yytname[x]);
    792  | 			strcat(msg, "'");
    793  | 			count++;
    794  | 		      }
    795  | 		}
    796  | 	      yyerror(msg);
    797  | 	      free(msg);
    798  | 	    }
    799  | 	  else
    800  | 	    yyerror ("parse error; also virtual memory exceeded");
    801  | 	}
    802  |       else
    803  | #endif /* YYERROR_VERBOSE */
    804  | 	yyerror("parse error");
    805  |     }
    806  |
    807  |   goto yyerrlab1;
    808  | yyerrlab1:   /* here on error raised explicitly by an action */
    809  |
    810  |   if (yyerrstatus == 3)
    811  |     {
    812  |       /* if just tried and failed to reuse lookahead token after an error, discard it.  */
    813  |
    814  |       /* return failure if at end of input */
    815  |       if (yychar == YYEOF)
    816  | 	YYABORT;
    817  |
    818  | #if YYDEBUG != 0
    819  |       if (yydebug)
    820  | 	fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
    821  | #endif
    822  |
    823  |       yychar = YYEMPTY;
    824  |     }
    825  |
    826  |   /* Else will try to reuse lookahead token
    827  |      after shifting the error token.  */
    828  |
    829  |   yyerrstatus = 3;		/* Each real token shifted decrements this */
    830  |
    831  |   goto yyerrhandle;
    832  |
    833  | yyerrdefault:  /* current state does not do anything special for the error token. */
    834  |
    835  | #if 0
    836  |   /* This is wrong; only states that explicitly want error tokens
    837  |      should shift them.  */
    838  |   yyn = yydefact[yystate];  /* If its default is to accept any token, ok.  Otherwise pop it.*/
    839  |   if (yyn) goto yydefault;
    840  | #endif
    841  |
    842  | yyerrpop:   /* pop the current state because it cannot handle the error token */
    843  |
    844  |   if (yyssp == yyss) YYABORT;
    845  |   yyvsp--;
    846  |   yystate = *--yyssp;
    847  | #ifdef YYLSP_NEEDED
    848  |   yylsp--;
    849  | #endif
    850  |
    851  | #if YYDEBUG != 0
    852  |   if (yydebug)
    853  |     {
    854  |       short *ssp1 = yyss - 1;
    855  |       fprintf (stderr, "Error: state stack now");
    856  |       while (ssp1 != yyssp)
    857  | 	fprintf (stderr, " %d", *++ssp1);
    858  |       fprintf (stderr, "\n");
    859  |     }
    860  | #endif
    861  |
    862  | yyerrhandle:
    863  |
    864  |   yyn = yypact[yystate];
    865  |   if (yyn == YYFLAG)
    866  |     goto yyerrdefault;
    867  |
    868  |   yyn += YYTERROR;
    869  |   if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
    870  |     goto yyerrdefault;
    871  |
    872  |   yyn = yytable[yyn];
    873  |   if (yyn < 0)
    874  |     {
    875  |       if (yyn == YYFLAG)
    876  | 	goto yyerrpop;
    877  |       yyn = -yyn;
    878  |       goto yyreduce;
    879  |     }
    880  |   else if (yyn == 0)
    881  |     goto yyerrpop;
    882  |
    883  |   if (yyn == YYFINAL)
    884  |     YYACCEPT;
    885  |
    886  | #if YYDEBUG != 0
    887  |   if (yydebug)
    888  |     fprintf(stderr, "Shifting error token, ");
    889  | #endif
    890  |
    891  |   *++yyvsp = yylval;
    892  | #ifdef YYLSP_NEEDED
    893  |   *++yylsp = yylloc;
    894  | #endif
    895  |
    896  |   yystate = yyn;
    897  |   goto yynewstate;
    898  |
    899  |  yyacceptlab:
    900  |   /* YYACCEPT comes here.  */
    901  |   if (yyfree_stacks)
    902  |     {
    903  |       free (yyss);
    904  |       free (yyvs);
    905  | #ifdef YYLSP_NEEDED
    906  |       free (yyls);
    907  | #endif
    908  |     }
    909  |   return 0;
    910  |
    911  |  yyabortlab:
    912  |   /* YYABORT comes here.  */
    913  |   if (yyfree_stacks)
    914  |     {
    915  |       free (yyss);
    916  |       free (yyvs);
    917  | #ifdef YYLSP_NEEDED
    918  |       free (yyls);
    919  | #endif
    920  |     }
    921  |   return 1;
    922  | }
    923  | #line 45 "inet6num.y"
    924  |
    925  |
    926  | #undef inet6numerror
    927  | #undef yyerror
    928  |
    929  | int
    930  | inet6numerror (const char *s)
    931  | {
    932  |     yyerror(s);
    933  |     return 0;
    934  | }
    935  |