1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/sdl/expr.cpp	Sun Mar 04 21:06:50 2012 -0600
     1.3 @@ -0,0 +1,998 @@
     1.4 +
     1.5 +/*  A Bison parser, made from expr.y
     1.6 +    by GNU Bison version 1.28  */
     1.7 +
     1.8 +#define YYBISON 1  /* Identify Bison output.  */
     1.9 +
    1.10 +#define TOKEN_IDENTIFIER        257
    1.11 +#define TOKEN_DOT       258
    1.12 +#define TOKEN_STAR      259
    1.13 +#define TOKEN_ARROW     260
    1.14 +#define TOKEN_ADDR      261
    1.15 +#define TOKEN_SIZEOF    262
    1.16 +#define TOKEN_NUMBER    263
    1.17 +
    1.18 +#line 1 "expr.y"
    1.19 +
    1.20 +namespace std {  
    1.21 +#include <stdio.h>
    1.22 +#include <memory.h>
    1.23 +#include <stdlib.h>
    1.24 +#include <string.h>
    1.25 +}
    1.26 +
    1.27 +using namespace std;
    1.28 + 
    1.29 +#include "../common/System.h"
    1.30 +#include "../gba/elf.h"
    1.31 +#include "exprNode.h" 
    1.32 +
    1.33 +extern int yyerror(char *);
    1.34 +extern int yylex(); 
    1.35 +extern char *yytext;
    1.36 +
    1.37 +  
    1.38 +//#define YYERROR_VERBOSE 1
    1.39 +//#define YYDEBUG 1
    1.40 +
    1.41 + Node *result = NULL;
    1.42 +#ifndef YYSTYPE
    1.43 +#define YYSTYPE int
    1.44 +#endif
    1.45 +#include <stdio.h>
    1.46 +
    1.47 +#ifndef __cplusplus
    1.48 +#ifndef __STDC__
    1.49 +#define const
    1.50 +#endif
    1.51 +#endif
    1.52 +
    1.53 +
    1.54 +
    1.55 +#define YYFINAL         26
    1.56 +#define YYFLAG          -32768
    1.57 +#define YYNTBASE        14
    1.58 +
    1.59 +#define YYTRANSLATE(x) ((unsigned)(x) <= 263 ? yytranslate[x] : 19)
    1.60 +
    1.61 +static const char yytranslate[] = {     0,
    1.62 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.63 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.64 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.65 +     2,     2,     2,     2,     2,     2,     2,     2,     2,    11,
    1.66 +    12,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.67 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.68 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.69 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.70 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.71 +    10,     2,    13,     2,     2,     2,     2,     2,     2,     2,
    1.72 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.73 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.74 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.75 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.76 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.77 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.78 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.79 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.80 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.81 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.82 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.83 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.84 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.85 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.86 +     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    1.87 +     2,     2,     2,     2,     2,     1,     3,     4,     5,     6,
    1.88 +     7,     8,     9
    1.89 +};
    1.90 +
    1.91 +#if YYDEBUG != 0
    1.92 +static const short yyprhs[] = {     0,
    1.93 +     0,     2,     4,     8,    12,    16,    21,    23,    26,    29,
    1.94 +    34,    36
    1.95 +};
    1.96 +
    1.97 +static const short yyrhs[] = {    15,
    1.98 +     0,    16,     0,    11,    15,    12,     0,    15,     4,    18,
    1.99 +     0,    15,     6,    18,     0,    15,    10,    17,    13,     0,
   1.100 +    18,     0,     5,    15,     0,     7,    15,     0,     8,    11,
   1.101 +    15,    12,     0,     9,     0,     3,     0
   1.102 +};
   1.103 +
   1.104 +#endif
   1.105 +
   1.106 +#if YYDEBUG != 0
   1.107 +static const short yyrline[] = { 0,
   1.108 +    32,    35,    36,    37,    38,    39,    42,    43,    44,    45,
   1.109 +    49,    53
   1.110 +};
   1.111 +#endif
   1.112 +
   1.113 +
   1.114 +#if YYDEBUG != 0 || defined (YYERROR_VERBOSE)
   1.115 +
   1.116 +static const char * const yytname[] = {   "$","error","$undefined.","TOKEN_IDENTIFIER",
   1.117 +"TOKEN_DOT","TOKEN_STAR","TOKEN_ARROW","TOKEN_ADDR","TOKEN_SIZEOF","TOKEN_NUMBER",
   1.118 +"'['","'('","')'","']'","final","expression","simple_expression","number","ident", NULL
   1.119 +};
   1.120 +#endif
   1.121 +
   1.122 +static const short yyr1[] = {     0,
   1.123 +    14,    15,    15,    15,    15,    15,    16,    16,    16,    16,
   1.124 +    17,    18
   1.125 +};
   1.126 +
   1.127 +static const short yyr2[] = {     0,
   1.128 +     1,     1,     3,     3,     3,     4,     1,     2,     2,     4,
   1.129 +     1,     1
   1.130 +};
   1.131 +
   1.132 +static const short yydefact[] = {     0,
   1.133 +    12,     0,     0,     0,     0,     1,     2,     7,     8,     9,
   1.134 +     0,     0,     0,     0,     0,     0,     3,     4,     5,    11,
   1.135 +     0,    10,     6,     0,     0,     0
   1.136 +};
   1.137 +
   1.138 +static const short yydefgoto[] = {    24,
   1.139 +     6,     7,    21,     8
   1.140 +};
   1.141 +
   1.142 +static const short yypact[] = {    -1,
   1.143 +-32768,    -1,    -1,    -6,    -1,    17,-32768,-32768,    17,    17,
   1.144 +    -1,     7,     5,     5,    13,     8,-32768,-32768,-32768,-32768,
   1.145 +    11,-32768,-32768,    25,    26,-32768
   1.146 +};
   1.147 +
   1.148 +static const short yypgoto[] = {-32768,
   1.149 +    -2,-32768,-32768,     2
   1.150 +};
   1.151 +
   1.152 +
   1.153 +#define YYLAST          27
   1.154 +
   1.155 +
   1.156 +static const short yytable[] = {     9,
   1.157 +    10,     1,    12,     2,    11,     3,     4,     1,    16,     5,
   1.158 +    13,    13,    14,    14,    18,    19,    15,    15,    17,    22,
   1.159 +    13,    20,    14,    23,    25,    26,    15
   1.160 +};
   1.161 +
   1.162 +static const short yycheck[] = {     2,
   1.163 +     3,     3,     5,     5,    11,     7,     8,     3,    11,    11,
   1.164 +     4,     4,     6,     6,    13,    14,    10,    10,    12,    12,
   1.165 +     4,     9,     6,    13,     0,     0,    10
   1.166 +};
   1.167 +/* -*-C-*-  Note some compilers choke on comments on `#line' lines.  */
   1.168 +#line 3 "/usr/lib/bison.simple"
   1.169 +/* This file comes from bison-1.28.  */
   1.170 +
   1.171 +/* Skeleton output parser for bison,
   1.172 +   Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
   1.173 +
   1.174 +   This program is free software; you can redistribute it and/or modify
   1.175 +   it under the terms of the GNU General Public License as published by
   1.176 +   the Free Software Foundation; either version 2, or (at your option)
   1.177 +   any later version.
   1.178 +
   1.179 +   This program is distributed in the hope that it will be useful,
   1.180 +   but WITHOUT ANY WARRANTY; without even the implied warranty of
   1.181 +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   1.182 +   GNU General Public License for more details.
   1.183 +
   1.184 +   You should have received a copy of the GNU General Public License
   1.185 +   along with this program; if not, write to the Free Software
   1.186 +   Foundation, Inc., 59 Temple Place - Suite 330,
   1.187 +   Boston, MA 02111-1307, USA.  */
   1.188 +
   1.189 +/* As a special exception, when this file is copied by Bison into a
   1.190 +   Bison output file, you may use that output file without restriction.
   1.191 +   This special exception was added by the Free Software Foundation
   1.192 +   in version 1.24 of Bison.  */
   1.193 +
   1.194 +/* This is the parser code that is written into each bison parser
   1.195 +  when the %semantic_parser declaration is not specified in the grammar.
   1.196 +  It was written by Richard Stallman by simplifying the hairy parser
   1.197 +  used when %semantic_parser is specified.  */
   1.198 +
   1.199 +#ifndef YYSTACK_USE_ALLOCA
   1.200 +#ifdef alloca
   1.201 +#define YYSTACK_USE_ALLOCA
   1.202 +#else /* alloca not defined */
   1.203 +#ifdef __GNUC__
   1.204 +#define YYSTACK_USE_ALLOCA
   1.205 +#define alloca __builtin_alloca
   1.206 +#else /* not GNU C.  */
   1.207 +#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386))
   1.208 +#define YYSTACK_USE_ALLOCA
   1.209 +#include <alloca.h>
   1.210 +#else /* not sparc */
   1.211 +/* We think this test detects Watcom and Microsoft C.  */
   1.212 +/* This used to test MSDOS, but that is a bad idea
   1.213 +   since that symbol is in the user namespace.  */
   1.214 +#if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__)
   1.215 +#if 0 /* No need for malloc.h, which pollutes the namespace;
   1.216 +         instead, just don't use alloca.  */
   1.217 +#include <malloc.h>
   1.218 +#endif
   1.219 +#else /* not MSDOS, or __TURBOC__ */
   1.220 +#if defined(_AIX)
   1.221 +/* I don't know what this was needed for, but it pollutes the namespace.
   1.222 +   So I turned it off.   rms, 2 May 1997.  */
   1.223 +/* #include <malloc.h>  */
   1.224 + #pragma alloca
   1.225 +#define YYSTACK_USE_ALLOCA
   1.226 +#else /* not MSDOS, or __TURBOC__, or _AIX */
   1.227 +#if 0
   1.228 +#ifdef __hpux /* haible@ilog.fr says this works for HPUX 9.05 and up,
   1.229 +                 and on HPUX 10.  Eventually we can turn this on.  */
   1.230 +#define YYSTACK_USE_ALLOCA
   1.231 +#define alloca __builtin_alloca
   1.232 +#endif /* __hpux */
   1.233 +#endif
   1.234 +#endif /* not _AIX */
   1.235 +#endif /* not MSDOS, or __TURBOC__ */
   1.236 +#endif /* not sparc */
   1.237 +#endif /* not GNU C */
   1.238 +#endif /* alloca not defined */
   1.239 +#endif /* YYSTACK_USE_ALLOCA not defined */
   1.240 +
   1.241 +#ifdef YYSTACK_USE_ALLOCA
   1.242 +#define YYSTACK_ALLOC alloca
   1.243 +#else
   1.244 +#define YYSTACK_ALLOC malloc
   1.245 +#endif
   1.246 +
   1.247 +/* Note: there must be only one dollar sign in this file.
   1.248 +   It is replaced by the list of actions, each action
   1.249 +   as one case of the switch.  */
   1.250 +
   1.251 +#define yyerrok         (yyerrstatus = 0)
   1.252 +#define yyclearin       (yychar = YYEMPTY)
   1.253 +#define YYEMPTY         -2
   1.254 +#define YYEOF           0
   1.255 +#define YYACCEPT        goto yyacceptlab
   1.256 +#define YYABORT         goto yyabortlab
   1.257 +#define YYERROR         goto yyerrlab1
   1.258 +/* Like YYERROR except do call yyerror.
   1.259 +   This remains here temporarily to ease the
   1.260 +   transition to the new meaning of YYERROR, for GCC.
   1.261 +   Once GCC version 2 has supplanted version 1, this can go.  */
   1.262 +#define YYFAIL          goto yyerrlab
   1.263 +#define YYRECOVERING()  (!!yyerrstatus)
   1.264 +#define YYBACKUP(token, value) \
   1.265 +do                                                              \
   1.266 +  if (yychar == YYEMPTY && yylen == 1)                          \
   1.267 +    { yychar = (token), yylval = (value);                       \
   1.268 +      yychar1 = YYTRANSLATE (yychar);                           \
   1.269 +      YYPOPSTACK;                                               \
   1.270 +      goto yybackup;                                            \
   1.271 +    }                                                           \
   1.272 +  else                                                          \
   1.273 +    { yyerror ("syntax error: cannot back up"); YYERROR; }      \
   1.274 +while (0)
   1.275 +
   1.276 +#define YYTERROR        1
   1.277 +#define YYERRCODE       256
   1.278 +
   1.279 +#ifndef YYPURE
   1.280 +#define YYLEX           yylex()
   1.281 +#endif
   1.282 +
   1.283 +#ifdef YYPURE
   1.284 +#ifdef YYLSP_NEEDED
   1.285 +#ifdef YYLEX_PARAM
   1.286 +#define YYLEX           yylex(&yylval, &yylloc, YYLEX_PARAM)
   1.287 +#else
   1.288 +#define YYLEX           yylex(&yylval, &yylloc)
   1.289 +#endif
   1.290 +#else /* not YYLSP_NEEDED */
   1.291 +#ifdef YYLEX_PARAM
   1.292 +#define YYLEX           yylex(&yylval, YYLEX_PARAM)
   1.293 +#else
   1.294 +#define YYLEX           yylex(&yylval)
   1.295 +#endif
   1.296 +#endif /* not YYLSP_NEEDED */
   1.297 +#endif
   1.298 +
   1.299 +/* If nonreentrant, generate the variables here */
   1.300 +
   1.301 +#ifndef YYPURE
   1.302 +
   1.303 +int     yychar;                 /*  the lookahead symbol                */
   1.304 +YYSTYPE yylval;                 /*  the semantic value of the           */
   1.305 +                                /*  lookahead symbol                    */
   1.306 +
   1.307 +#ifdef YYLSP_NEEDED
   1.308 +YYLTYPE yylloc;                 /*  location data for the lookahead     */
   1.309 +                                /*  symbol                              */
   1.310 +#endif
   1.311 +
   1.312 +int yynerrs;                    /*  number of parse errors so far       */
   1.313 +#endif  /* not YYPURE */
   1.314 +
   1.315 +#if YYDEBUG != 0
   1.316 +int yydebug;                    /*  nonzero means print parse trace     */
   1.317 +/* Since this is uninitialized, it does not stop multiple parsers
   1.318 +   from coexisting.  */
   1.319 +#endif
   1.320 +
   1.321 +/*  YYINITDEPTH indicates the initial size of the parser's stacks       */
   1.322 +
   1.323 +#ifndef YYINITDEPTH
   1.324 +#define YYINITDEPTH 200
   1.325 +#endif
   1.326 +
   1.327 +/*  YYMAXDEPTH is the maximum size the stacks can grow to
   1.328 +    (effective only if the built-in stack extension method is used).  */
   1.329 +
   1.330 +#if YYMAXDEPTH == 0
   1.331 +#undef YYMAXDEPTH
   1.332 +#endif
   1.333 +
   1.334 +#ifndef YYMAXDEPTH
   1.335 +#define YYMAXDEPTH 10000
   1.336 +#endif
   1.337 +
   1.338 +/* Define __yy_memcpy.  Note that the size argument
   1.339 +   should be passed with type unsigned int, because that is what the non-GCC
   1.340 +   definitions require.  With GCC, __builtin_memcpy takes an arg
   1.341 +   of type size_t, but it can handle unsigned int.  */
   1.342 +
   1.343 +#if __GNUC__ > 1                /* GNU C and GNU C++ define this.  */
   1.344 +#define __yy_memcpy(TO,FROM,COUNT)      __builtin_memcpy(TO,FROM,COUNT)
   1.345 +#else                           /* not GNU C or C++ */
   1.346 +#ifndef __cplusplus
   1.347 +
   1.348 +/* This is the most reliable way to avoid incompatibilities
   1.349 +   in available built-in functions on various systems.  */
   1.350 +static void
   1.351 +__yy_memcpy (to, from, count)
   1.352 +     char *to;
   1.353 +     char *from;
   1.354 +     unsigned int count;
   1.355 +{
   1.356 +  register char *f = from;
   1.357 +  register char *t = to;
   1.358 +  register int i = count;
   1.359 +
   1.360 +  while (i-- > 0)
   1.361 +    *t++ = *f++;
   1.362 +}
   1.363 +
   1.364 +#else /* __cplusplus */
   1.365 +
   1.366 +/* This is the most reliable way to avoid incompatibilities
   1.367 +   in available built-in functions on various systems.  */
   1.368 +static void
   1.369 +__yy_memcpy (char *to, char *from, unsigned int count)
   1.370 +{
   1.371 +  register char *t = to;
   1.372 +  register char *f = from;
   1.373 +  register int i = count;
   1.374 +
   1.375 +  while (i-- > 0)
   1.376 +    *t++ = *f++;
   1.377 +}
   1.378 +
   1.379 +#endif
   1.380 +#endif
   1.381 +
   1.382 +#line 217 "/usr/lib/bison.simple"
   1.383 +
   1.384 +/* The user can define YYPARSE_PARAM as the name of an argument to be passed
   1.385 +   into yyparse.  The argument should have type void *.
   1.386 +   It should actually point to an object.
   1.387 +   Grammar actions can access the variable by casting it
   1.388 +   to the proper pointer type.  */
   1.389 +
   1.390 +#ifdef YYPARSE_PARAM
   1.391 +#ifdef __cplusplus
   1.392 +#define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
   1.393 +#define YYPARSE_PARAM_DECL
   1.394 +#else /* not __cplusplus */
   1.395 +#define YYPARSE_PARAM_ARG YYPARSE_PARAM
   1.396 +#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
   1.397 +#endif /* not __cplusplus */
   1.398 +#else /* not YYPARSE_PARAM */
   1.399 +#define YYPARSE_PARAM_ARG
   1.400 +#define YYPARSE_PARAM_DECL
   1.401 +#endif /* not YYPARSE_PARAM */
   1.402 +
   1.403 +/* Prevent warning if -Wstrict-prototypes.  */
   1.404 +#ifdef __GNUC__
   1.405 +#ifdef YYPARSE_PARAM
   1.406 +int yyparse (void *);
   1.407 +#else
   1.408 +int yyparse (void);
   1.409 +#endif
   1.410 +#endif
   1.411 +
   1.412 +int
   1.413 +yyparse(YYPARSE_PARAM_ARG)
   1.414 +     YYPARSE_PARAM_DECL
   1.415 +{
   1.416 +  register int yystate;
   1.417 +  register int yyn;
   1.418 +  register short *yyssp;
   1.419 +  register YYSTYPE *yyvsp;
   1.420 +  int yyerrstatus;      /*  number of tokens to shift before error messages enabled */
   1.421 +  int yychar1 = 0;              /*  lookahead token as an internal (translated) token number */
   1.422 +
   1.423 +  short yyssa[YYINITDEPTH];     /*  the state stack                     */
   1.424 +  YYSTYPE yyvsa[YYINITDEPTH];   /*  the semantic value stack            */
   1.425 +
   1.426 +  short *yyss = yyssa;          /*  refer to the stacks thru separate pointers */
   1.427 +  YYSTYPE *yyvs = yyvsa;        /*  to allow yyoverflow to reallocate them elsewhere */
   1.428 +
   1.429 +#ifdef YYLSP_NEEDED
   1.430 +  YYLTYPE yylsa[YYINITDEPTH];   /*  the location stack                  */
   1.431 +  YYLTYPE *yyls = yylsa;
   1.432 +  YYLTYPE *yylsp;
   1.433 +
   1.434 +#define YYPOPSTACK   (yyvsp--, yyssp--, yylsp--)
   1.435 +#else
   1.436 +#define YYPOPSTACK   (yyvsp--, yyssp--)
   1.437 +#endif
   1.438 +
   1.439 +  int yystacksize = YYINITDEPTH;
   1.440 +  int yyfree_stacks = 0;
   1.441 +
   1.442 +#ifdef YYPURE
   1.443 +  int yychar;
   1.444 +  YYSTYPE yylval;
   1.445 +  int yynerrs;
   1.446 +#ifdef YYLSP_NEEDED
   1.447 +  YYLTYPE yylloc;
   1.448 +#endif
   1.449 +#endif
   1.450 +
   1.451 +  YYSTYPE yyval;                /*  the variable used to return         */
   1.452 +                                /*  semantic values from the action     */
   1.453 +                                /*  routines                            */
   1.454 +
   1.455 +  int yylen;
   1.456 +
   1.457 +#if YYDEBUG != 0
   1.458 +  if (yydebug)
   1.459 +    fprintf(stderr, "Starting parse\n");
   1.460 +#endif
   1.461 +
   1.462 +  yystate = 0;
   1.463 +  yyerrstatus = 0;
   1.464 +  yynerrs = 0;
   1.465 +  yychar = YYEMPTY;             /* Cause a token to be read.  */
   1.466 +
   1.467 +  /* Initialize stack pointers.
   1.468 +     Waste one element of value and location stack
   1.469 +     so that they stay on the same level as the state stack.
   1.470 +     The wasted elements are never initialized.  */
   1.471 +
   1.472 +  yyssp = yyss - 1;
   1.473 +  yyvsp = yyvs;
   1.474 +#ifdef YYLSP_NEEDED
   1.475 +  yylsp = yyls;
   1.476 +#endif
   1.477 +
   1.478 +/* Push a new state, which is found in  yystate  .  */
   1.479 +/* In all cases, when you get here, the value and location stacks
   1.480 +   have just been pushed. so pushing a state here evens the stacks.  */
   1.481 +yynewstate:
   1.482 +
   1.483 +  *++yyssp = yystate;
   1.484 +
   1.485 +  if (yyssp >= yyss + yystacksize - 1)
   1.486 +    {
   1.487 +      /* Give user a chance to reallocate the stack */
   1.488 +      /* Use copies of these so that the &'s don't force the real ones into memory. */
   1.489 +      YYSTYPE *yyvs1 = yyvs;
   1.490 +      short *yyss1 = yyss;
   1.491 +#ifdef YYLSP_NEEDED
   1.492 +      YYLTYPE *yyls1 = yyls;
   1.493 +#endif
   1.494 +
   1.495 +      /* Get the current used size of the three stacks, in elements.  */
   1.496 +      int size = yyssp - yyss + 1;
   1.497 +
   1.498 +#ifdef yyoverflow
   1.499 +      /* Each stack pointer address is followed by the size of
   1.500 +         the data in use in that stack, in bytes.  */
   1.501 +#ifdef YYLSP_NEEDED
   1.502 +      /* This used to be a conditional around just the two extra args,
   1.503 +         but that might be undefined if yyoverflow is a macro.  */
   1.504 +      yyoverflow("parser stack overflow",
   1.505 +                 &yyss1, size * sizeof (*yyssp),
   1.506 +                 &yyvs1, size * sizeof (*yyvsp),
   1.507 +                 &yyls1, size * sizeof (*yylsp),
   1.508 +                 &yystacksize);
   1.509 +#else
   1.510 +      yyoverflow("parser stack overflow",
   1.511 +                 &yyss1, size * sizeof (*yyssp),
   1.512 +                 &yyvs1, size * sizeof (*yyvsp),
   1.513 +                 &yystacksize);
   1.514 +#endif
   1.515 +
   1.516 +      yyss = yyss1; yyvs = yyvs1;
   1.517 +#ifdef YYLSP_NEEDED
   1.518 +      yyls = yyls1;
   1.519 +#endif
   1.520 +#else /* no yyoverflow */
   1.521 +      /* Extend the stack our own way.  */
   1.522 +      if (yystacksize >= YYMAXDEPTH)
   1.523 +        {
   1.524 +          yyerror("parser stack overflow");
   1.525 +          if (yyfree_stacks)
   1.526 +            {
   1.527 +              free (yyss);
   1.528 +              free (yyvs);
   1.529 +#ifdef YYLSP_NEEDED
   1.530 +              free (yyls);
   1.531 +#endif
   1.532 +            }
   1.533 +          return 2;
   1.534 +        }
   1.535 +      yystacksize *= 2;
   1.536 +      if (yystacksize > YYMAXDEPTH)
   1.537 +        yystacksize = YYMAXDEPTH;
   1.538 +#ifndef YYSTACK_USE_ALLOCA
   1.539 +      yyfree_stacks = 1;
   1.540 +#endif
   1.541 +      yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp));
   1.542 +      __yy_memcpy ((char *)yyss, (char *)yyss1,
   1.543 +                   size * (unsigned int) sizeof (*yyssp));
   1.544 +      yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp));
   1.545 +      __yy_memcpy ((char *)yyvs, (char *)yyvs1,
   1.546 +                   size * (unsigned int) sizeof (*yyvsp));
   1.547 +#ifdef YYLSP_NEEDED
   1.548 +      yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp));
   1.549 +      __yy_memcpy ((char *)yyls, (char *)yyls1,
   1.550 +                   size * (unsigned int) sizeof (*yylsp));
   1.551 +#endif
   1.552 +#endif /* no yyoverflow */
   1.553 +
   1.554 +      yyssp = yyss + size - 1;
   1.555 +      yyvsp = yyvs + size - 1;
   1.556 +#ifdef YYLSP_NEEDED
   1.557 +      yylsp = yyls + size - 1;
   1.558 +#endif
   1.559 +
   1.560 +#if YYDEBUG != 0
   1.561 +      if (yydebug)
   1.562 +        fprintf(stderr, "Stack size increased to %d\n", yystacksize);
   1.563 +#endif
   1.564 +
   1.565 +      if (yyssp >= yyss + yystacksize - 1)
   1.566 +        YYABORT;
   1.567 +    }
   1.568 +
   1.569 +#if YYDEBUG != 0
   1.570 +  if (yydebug)
   1.571 +    fprintf(stderr, "Entering state %d\n", yystate);
   1.572 +#endif
   1.573 +
   1.574 +  goto yybackup;
   1.575 + yybackup:
   1.576 +
   1.577 +/* Do appropriate processing given the current state.  */
   1.578 +/* Read a lookahead token if we need one and don't already have one.  */
   1.579 +/* yyresume: */
   1.580 +
   1.581 +  /* First try to decide what to do without reference to lookahead token.  */
   1.582 +
   1.583 +  yyn = yypact[yystate];
   1.584 +  if (yyn == YYFLAG)
   1.585 +    goto yydefault;
   1.586 +
   1.587 +  /* Not known => get a lookahead token if don't already have one.  */
   1.588 +
   1.589 +  /* yychar is either YYEMPTY or YYEOF
   1.590 +     or a valid token in external form.  */
   1.591 +
   1.592 +  if (yychar == YYEMPTY)
   1.593 +    {
   1.594 +#if YYDEBUG != 0
   1.595 +      if (yydebug)
   1.596 +        fprintf(stderr, "Reading a token: ");
   1.597 +#endif
   1.598 +      yychar = YYLEX;
   1.599 +    }
   1.600 +
   1.601 +  /* Convert token to internal form (in yychar1) for indexing tables with */
   1.602 +
   1.603 +  if (yychar <= 0)              /* This means end of input. */
   1.604 +    {
   1.605 +      yychar1 = 0;
   1.606 +      yychar = YYEOF;           /* Don't call YYLEX any more */
   1.607 +
   1.608 +#if YYDEBUG != 0
   1.609 +      if (yydebug)
   1.610 +        fprintf(stderr, "Now at end of input.\n");
   1.611 +#endif
   1.612 +    }
   1.613 +  else
   1.614 +    {
   1.615 +      yychar1 = YYTRANSLATE(yychar);
   1.616 +
   1.617 +#if YYDEBUG != 0
   1.618 +      if (yydebug)
   1.619 +        {
   1.620 +          fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
   1.621 +          /* Give the individual parser a way to print the precise meaning
   1.622 +             of a token, for further debugging info.  */
   1.623 +#ifdef YYPRINT
   1.624 +          YYPRINT (stderr, yychar, yylval);
   1.625 +#endif
   1.626 +          fprintf (stderr, ")\n");
   1.627 +        }
   1.628 +#endif
   1.629 +    }
   1.630 +
   1.631 +  yyn += yychar1;
   1.632 +  if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
   1.633 +    goto yydefault;
   1.634 +
   1.635 +  yyn = yytable[yyn];
   1.636 +
   1.637 +  /* yyn is what to do for this token type in this state.
   1.638 +     Negative => reduce, -yyn is rule number.
   1.639 +     Positive => shift, yyn is new state.
   1.640 +       New state is final state => don't bother to shift,
   1.641 +       just return success.
   1.642 +     0, or most negative number => error.  */
   1.643 +
   1.644 +  if (yyn < 0)
   1.645 +    {
   1.646 +      if (yyn == YYFLAG)
   1.647 +        goto yyerrlab;
   1.648 +      yyn = -yyn;
   1.649 +      goto yyreduce;
   1.650 +    }
   1.651 +  else if (yyn == 0)
   1.652 +    goto yyerrlab;
   1.653 +
   1.654 +  if (yyn == YYFINAL)
   1.655 +    YYACCEPT;
   1.656 +
   1.657 +  /* Shift the lookahead token.  */
   1.658 +
   1.659 +#if YYDEBUG != 0
   1.660 +  if (yydebug)
   1.661 +    fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
   1.662 +#endif
   1.663 +
   1.664 +  /* Discard the token being shifted unless it is eof.  */
   1.665 +  if (yychar != YYEOF)
   1.666 +    yychar = YYEMPTY;
   1.667 +
   1.668 +  *++yyvsp = yylval;
   1.669 +#ifdef YYLSP_NEEDED
   1.670 +  *++yylsp = yylloc;
   1.671 +#endif
   1.672 +
   1.673 +  /* count tokens shifted since error; after three, turn off error status.  */
   1.674 +  if (yyerrstatus) yyerrstatus--;
   1.675 +
   1.676 +  yystate = yyn;
   1.677 +  goto yynewstate;
   1.678 +
   1.679 +/* Do the default action for the current state.  */
   1.680 +yydefault:
   1.681 +
   1.682 +  yyn = yydefact[yystate];
   1.683 +  if (yyn == 0)
   1.684 +    goto yyerrlab;
   1.685 +
   1.686 +/* Do a reduction.  yyn is the number of a rule to reduce with.  */
   1.687 +yyreduce:
   1.688 +  yylen = yyr2[yyn];
   1.689 +  if (yylen > 0)
   1.690 +    yyval = yyvsp[1-yylen]; /* implement default value of the action */
   1.691 +
   1.692 +#if YYDEBUG != 0
   1.693 +  if (yydebug)
   1.694 +    {
   1.695 +      int i;
   1.696 +
   1.697 +      fprintf (stderr, "Reducing via rule %d (line %d), ",
   1.698 +               yyn, yyrline[yyn]);
   1.699 +
   1.700 +      /* Print the symbols being reduced, and their result.  */
   1.701 +      for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
   1.702 +        fprintf (stderr, "%s ", yytname[yyrhs[i]]);
   1.703 +      fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
   1.704 +    }
   1.705 +#endif
   1.706 +
   1.707 +
   1.708 +  switch (yyn) {
   1.709 +
   1.710 +case 1:
   1.711 +#line 32 "expr.y"
   1.712 +{ result = yyvsp[0]; ;
   1.713 +    break;}
   1.714 +case 2:
   1.715 +#line 36 "expr.y"
   1.716 +{ yyval = yyvsp[0]; ;
   1.717 +    break;}
   1.718 +case 3:
   1.719 +#line 37 "expr.y"
   1.720 +{ yyval = yyvsp[-1]; ;
   1.721 +    break;}
   1.722 +case 4:
   1.723 +#line 38 "expr.y"
   1.724 +{ yyval = exprNodeDot(yyvsp[-2], yyvsp[0]); ;
   1.725 +    break;}
   1.726 +case 5:
   1.727 +#line 39 "expr.y"
   1.728 +{ yyval = exprNodeArrow(yyvsp[-2], yyvsp[0]); ;
   1.729 +    break;}
   1.730 +case 6:
   1.731 +#line 40 "expr.y"
   1.732 +{ yyval = exprNodeArray(yyvsp[-3], yyvsp[-1]); ;
   1.733 +    break;}
   1.734 +case 7:
   1.735 +#line 43 "expr.y"
   1.736 +{ yyval = yyvsp[0]; ;
   1.737 +    break;}
   1.738 +case 8:
   1.739 +#line 44 "expr.y"
   1.740 +{ yyval = exprNodeStar(yyvsp[0]); ;
   1.741 +    break;}
   1.742 +case 9:
   1.743 +#line 45 "expr.y"
   1.744 +{ yyval = exprNodeAddr(yyvsp[0]); ;
   1.745 +    break;}
   1.746 +case 10:
   1.747 +#line 46 "expr.y"
   1.748 +{ yyval = exprNodeSizeof(yyvsp[-1]); ;
   1.749 +    break;}
   1.750 +case 11:
   1.751 +#line 50 "expr.y"
   1.752 +{ yyval = exprNodeNumber(); ;
   1.753 +    break;}
   1.754 +case 12:
   1.755 +#line 54 "expr.y"
   1.756 +{yyval = exprNodeIdentifier(); ;
   1.757 +    break;}
   1.758 +}
   1.759 +   /* the action file gets copied in in place of this dollarsign */
   1.760 +#line 543 "/usr/lib/bison.simple"
   1.761 +
   1.762 +  yyvsp -= yylen;
   1.763 +  yyssp -= yylen;
   1.764 +#ifdef YYLSP_NEEDED
   1.765 +  yylsp -= yylen;
   1.766 +#endif
   1.767 +
   1.768 +#if YYDEBUG != 0
   1.769 +  if (yydebug)
   1.770 +    {
   1.771 +      short *ssp1 = yyss - 1;
   1.772 +      fprintf (stderr, "state stack now");
   1.773 +      while (ssp1 != yyssp)
   1.774 +        fprintf (stderr, " %d", *++ssp1);
   1.775 +      fprintf (stderr, "\n");
   1.776 +    }
   1.777 +#endif
   1.778 +
   1.779 +  *++yyvsp = yyval;
   1.780 +
   1.781 +#ifdef YYLSP_NEEDED
   1.782 +  yylsp++;
   1.783 +  if (yylen == 0)
   1.784 +    {
   1.785 +      yylsp->first_line = yylloc.first_line;
   1.786 +      yylsp->first_column = yylloc.first_column;
   1.787 +      yylsp->last_line = (yylsp-1)->last_line;
   1.788 +      yylsp->last_column = (yylsp-1)->last_column;
   1.789 +      yylsp->text = 0;
   1.790 +    }
   1.791 +  else
   1.792 +    {
   1.793 +      yylsp->last_line = (yylsp+yylen-1)->last_line;
   1.794 +      yylsp->last_column = (yylsp+yylen-1)->last_column;
   1.795 +    }
   1.796 +#endif
   1.797 +
   1.798 +  /* Now "shift" the result of the reduction.
   1.799 +     Determine what state that goes to,
   1.800 +     based on the state we popped back to
   1.801 +     and the rule number reduced by.  */
   1.802 +
   1.803 +  yyn = yyr1[yyn];
   1.804 +
   1.805 +  yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
   1.806 +  if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
   1.807 +    yystate = yytable[yystate];
   1.808 +  else
   1.809 +    yystate = yydefgoto[yyn - YYNTBASE];
   1.810 +
   1.811 +  goto yynewstate;
   1.812 +
   1.813 +yyerrlab:   /* here on detecting error */
   1.814 +
   1.815 +  if (! yyerrstatus)
   1.816 +    /* If not already recovering from an error, report this error.  */
   1.817 +    {
   1.818 +      ++yynerrs;
   1.819 +
   1.820 +#ifdef YYERROR_VERBOSE
   1.821 +      yyn = yypact[yystate];
   1.822 +
   1.823 +      if (yyn > YYFLAG && yyn < YYLAST)
   1.824 +        {
   1.825 +          int size = 0;
   1.826 +          char *msg;
   1.827 +          int x, count;
   1.828 +
   1.829 +          count = 0;
   1.830 +          /* Start X at -yyn if nec to avoid negative indexes in yycheck.  */
   1.831 +          for (x = (yyn < 0 ? -yyn : 0);
   1.832 +               x < (sizeof(yytname) / sizeof(char *)); x++)
   1.833 +            if (yycheck[x + yyn] == x)
   1.834 +              size += strlen(yytname[x]) + 15, count++;
   1.835 +          msg = (char *) malloc(size + 15);
   1.836 +          if (msg != 0)
   1.837 +            {
   1.838 +              strcpy(msg, "parse error");
   1.839 +
   1.840 +              if (count < 5)
   1.841 +                {
   1.842 +                  count = 0;
   1.843 +                  for (x = (yyn < 0 ? -yyn : 0);
   1.844 +                       x < (sizeof(yytname) / sizeof(char *)); x++)
   1.845 +                    if (yycheck[x + yyn] == x)
   1.846 +                      {
   1.847 +                        strcat(msg, count == 0 ? ", expecting `" : " or `");
   1.848 +                        strcat(msg, yytname[x]);
   1.849 +                        strcat(msg, "'");
   1.850 +                        count++;
   1.851 +                      }
   1.852 +                }
   1.853 +              yyerror(msg);
   1.854 +              free(msg);
   1.855 +            }
   1.856 +          else
   1.857 +            yyerror ("parse error; also virtual memory exceeded");
   1.858 +        }
   1.859 +      else
   1.860 +#endif /* YYERROR_VERBOSE */
   1.861 +        yyerror("parse error");
   1.862 +    }
   1.863 +
   1.864 +  goto yyerrlab1;
   1.865 +yyerrlab1:   /* here on error raised explicitly by an action */
   1.866 +
   1.867 +  if (yyerrstatus == 3)
   1.868 +    {
   1.869 +      /* if just tried and failed to reuse lookahead token after an error, discard it.  */
   1.870 +
   1.871 +      /* return failure if at end of input */
   1.872 +      if (yychar == YYEOF)
   1.873 +        YYABORT;
   1.874 +
   1.875 +#if YYDEBUG != 0
   1.876 +      if (yydebug)
   1.877 +        fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
   1.878 +#endif
   1.879 +
   1.880 +      yychar = YYEMPTY;
   1.881 +    }
   1.882 +
   1.883 +  /* Else will try to reuse lookahead token
   1.884 +     after shifting the error token.  */
   1.885 +
   1.886 +  yyerrstatus = 3;              /* Each real token shifted decrements this */
   1.887 +
   1.888 +  goto yyerrhandle;
   1.889 +
   1.890 +yyerrdefault:  /* current state does not do anything special for the error token. */
   1.891 +
   1.892 +#if 0
   1.893 +  /* This is wrong; only states that explicitly want error tokens
   1.894 +     should shift them.  */
   1.895 +  yyn = yydefact[yystate];  /* If its default is to accept any token, ok.  Otherwise pop it.*/
   1.896 +  if (yyn) goto yydefault;
   1.897 +#endif
   1.898 +
   1.899 +yyerrpop:   /* pop the current state because it cannot handle the error token */
   1.900 +
   1.901 +  if (yyssp == yyss) YYABORT;
   1.902 +  yyvsp--;
   1.903 +  yystate = *--yyssp;
   1.904 +#ifdef YYLSP_NEEDED
   1.905 +  yylsp--;
   1.906 +#endif
   1.907 +
   1.908 +#if YYDEBUG != 0
   1.909 +  if (yydebug)
   1.910 +    {
   1.911 +      short *ssp1 = yyss - 1;
   1.912 +      fprintf (stderr, "Error: state stack now");
   1.913 +      while (ssp1 != yyssp)
   1.914 +        fprintf (stderr, " %d", *++ssp1);
   1.915 +      fprintf (stderr, "\n");
   1.916 +    }
   1.917 +#endif
   1.918 +
   1.919 +yyerrhandle:
   1.920 +
   1.921 +  yyn = yypact[yystate];
   1.922 +  if (yyn == YYFLAG)
   1.923 +    goto yyerrdefault;
   1.924 +
   1.925 +  yyn += YYTERROR;
   1.926 +  if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
   1.927 +    goto yyerrdefault;
   1.928 +
   1.929 +  yyn = yytable[yyn];
   1.930 +  if (yyn < 0)
   1.931 +    {
   1.932 +      if (yyn == YYFLAG)
   1.933 +        goto yyerrpop;
   1.934 +      yyn = -yyn;
   1.935 +      goto yyreduce;
   1.936 +    }
   1.937 +  else if (yyn == 0)
   1.938 +    goto yyerrpop;
   1.939 +
   1.940 +  if (yyn == YYFINAL)
   1.941 +    YYACCEPT;
   1.942 +
   1.943 +#if YYDEBUG != 0
   1.944 +  if (yydebug)
   1.945 +    fprintf(stderr, "Shifting error token, ");
   1.946 +#endif
   1.947 +
   1.948 +  *++yyvsp = yylval;
   1.949 +#ifdef YYLSP_NEEDED
   1.950 +  *++yylsp = yylloc;
   1.951 +#endif
   1.952 +
   1.953 +  yystate = yyn;
   1.954 +  goto yynewstate;
   1.955 +
   1.956 + yyacceptlab:
   1.957 +  /* YYACCEPT comes here.  */
   1.958 +  if (yyfree_stacks)
   1.959 +    {
   1.960 +      free (yyss);
   1.961 +      free (yyvs);
   1.962 +#ifdef YYLSP_NEEDED
   1.963 +      free (yyls);
   1.964 +#endif
   1.965 +    }
   1.966 +  return 0;
   1.967 +
   1.968 + yyabortlab:
   1.969 +  /* YYABORT comes here.  */
   1.970 +  if (yyfree_stacks)
   1.971 +    {
   1.972 +      free (yyss);
   1.973 +      free (yyvs);
   1.974 +#ifdef YYLSP_NEEDED
   1.975 +      free (yyls);
   1.976 +#endif
   1.977 +    }
   1.978 +  return 1;
   1.979 +}
   1.980 +#line 57 "expr.y"
   1.981 +
   1.982 +
   1.983 +int yyerror(char *s)
   1.984 +{
   1.985 +  return 0;
   1.986 +}
   1.987 +
   1.988 +#ifndef SDL
   1.989 +extern FILE *yyin;
   1.990 +int main(int argc, char **argv)
   1.991 +{
   1.992 +  //  yydebug = 1;
   1.993 +  ++argv, --argc;
   1.994 +  if(argc > 0)
   1.995 +    yyin = fopen(argv[0], "r");
   1.996 +  else
   1.997 +    yyin = stdin;
   1.998 +  if(!yyparse())
   1.999 +    result->print();
  1.1000 +}
  1.1001 +#endif