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ExprIntrp.tab.c

/*  A Bison parser, made from j:/kas/c40/ros/src/exprintrp/exprintrp.yacc
 by  GNU Bison version 1.25
  */

#define YYBISON 1  /* Identify Bison output.  */

#define yyparse ExprIntrpparse
#define yylex ExprIntrplex
#define yyerror ExprIntrperror
#define yylval ExprIntrplval
#define yychar ExprIntrpchar
#define yydebug ExprIntrpdebug
#define yynerrs ExprIntrpnerrs
#define     SUMOP 258
#define     MINUSOP     259
#define     DIVIDEOP    260
#define     EXPOP 261
#define     MULTOP      262
#define     PARENTHESIS 263
#define     BRACKET     264
#define     ENDPARENTHESIS    265
#define     ENDBRACKET  266
#define     VALUE 267
#define     IDENTIFIER  268
#define     COMMA 269
#define     DIFFERENTIAL      270
#define     DERIVATE    271
#define     DERIVKEY    272
#define     ASSIGNOP    273
#define     DEASSIGNKEY 274
#define     EQUALOP     275
#define     RELSEPARATOR      276
#define     CONSTKEY    277
#define     SUMKEY      278
#define     PRODKEY     279

#line 1 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"

extern void ExprIntrp_EndOfFuncDef();
extern void ExprIntrp_EndOfRelation();
extern void ExprIntrp_AssignVariable();
extern void ExprIntrp_EndOfAssign();
extern void ExprIntrp_Deassign();
extern void ExprIntrp_SumOperator();
extern void ExprIntrp_MinusOperator();
extern void ExprIntrp_ProductOperator();
extern void ExprIntrp_DivideOperator();
extern void ExprIntrp_ExpOperator();
extern void ExprIntrp_UnaryMinusOperator();
extern void ExprIntrp_VariableIdentifier();
extern void ExprIntrp_NumValue();
extern void ExprIntrp_EndFunction();
extern void ExprIntrp_EndDerFunction();
extern void ExprIntrp_EndDifferential();
extern void ExprIntrp_EndDiffFunction();
extern void ExprIntrp_EndFuncArg();
extern void ExprIntrp_NextFuncArg();
extern void ExprIntrp_StartFunction();
extern void ExprIntrp_DefineFunction();
extern void ExprIntrp_StartDerivate();
extern void ExprIntrp_EndDerivate();
extern void ExprIntrp_DiffVar();
extern void ExprIntrp_DiffDegree();
extern void ExprIntrp_VerDiffDegree();
extern void ExprIntrp_DiffDegreeVar();
extern void ExprIntrp_StartDifferential();
extern void ExprIntrp_StartFunction();
extern void ExprIntrp_EndFuncArg();
extern void ExprIntrp_NextFuncArg();
extern void ExprIntrp_VariableIdentifier();
extern void ExprIntrp_Derivation();
extern void ExprIntrp_EndDerivation();
extern void ExprIntrp_DerivationValue();
extern void ExprIntrp_ConstantIdentifier();
extern void ExprIntrp_ConstantDefinition();
extern void ExprIntrp_VariableIdentifier();
extern void ExprIntrp_NumValue();
extern void ExprIntrp_Sumator();
extern void ExprIntrp_VariableIdentifier();
extern void ExprIntrp_Productor();
extern void ExprIntrp_EndOfEqual();
#line 52 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"

#ifndef YYSTYPE
#define YYSTYPE int
#endif
#include <stdio.h>

#ifndef __cplusplus
#ifndef __STDC__
#define const
#endif
#endif



#define     YYFINAL           147
#define     YYFLAG            -32768
#define     YYNTBASE    26

#define YYTRANSLATE(x) ((unsigned)(x) <= 279 ? yytranslate[x] : 67)

static const char yytranslate[] = {     0,
     2,     2,     2,     2,     2,     2,     2,     2,     2,    25,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     1,     2,     3,     4,     5,
     6,     7,     8,     9,    10,    11,    12,    13,    14,    15,
    16,    17,    18,    19,    20,    21,    22,    23,    24
};

#if YYDEBUG != 0
static const short yyprhs[] = {     0,
     0,     2,     4,     6,     8,    10,    11,    16,    17,    23,
    27,    31,    35,    39,    43,    47,    51,    54,    56,    58,
    60,    62,    64,    66,    68,    70,    72,    77,    82,    83,
    89,    91,    92,    97,    99,   100,   105,   106,   110,   116,
   117,   118,   128,   130,   132,   133,   139,   141,   142,   147,
   149,   150,   158,   159,   160,   171,   172,   173,   182,   183,
   184,   199,   200,   201,   216,   218,   222,   226
};

static const short yyrhs[] = {    31,
     0,    27,     0,    29,     0,    39,     0,    65,     0,     0,
    13,    28,    18,    31,     0,     0,    19,     9,    13,    30,
    11,     0,    31,     3,    31,     0,    31,     4,    31,     0,
    31,     7,    31,     0,    31,     5,    31,     0,    31,     6,
    31,     0,     8,    31,    10,     0,     9,    31,    11,     0,
     4,    31,     0,    32,     0,    52,     0,    56,     0,    59,
     0,    62,     0,    33,     0,    34,     0,    13,     0,    12,
     0,    38,     8,    36,    10,     0,    41,     8,    36,    10,
     0,     0,    43,    35,     8,    36,    10,     0,    31,     0,
     0,    31,    14,    37,    36,     0,    13,     0,     0,    47,
    40,    18,    31,     0,     0,    13,    42,    16,     0,    15,
    46,     5,    15,    13,     0,     0,     0,    15,    12,    44,
    46,     5,    15,    12,    45,    13,     0,    13,     0,    43,
     0,     0,    13,    48,     9,    49,    11,     0,    51,     0,
     0,    51,    14,    50,    49,     0,    13,     0,     0,    17,
     9,    31,    14,    13,    53,    11,     0,     0,     0,    17,
     9,    31,    14,    13,    54,    14,    12,    55,    11,     0,
     0,     0,    22,     9,    13,    57,    14,    12,    58,    11,
     0,     0,     0,    23,     9,    31,    14,    13,    60,    14,
    31,    14,    31,    14,    12,    61,    11,     0,     0,     0,
    24,     9,    31,    14,    13,    63,    14,    31,    14,    31,
    14,    12,    64,    11,     0,    66,     0,    66,    21,    65,
     0,    66,    25,    65,     0,    31,    20,    31,     0
};

#endif

#if YYDEBUG != 0
static const short yyrline[] = { 0,
    56,    57,    58,    59,    60,    63,    63,    66,    67,    69,
    70,    71,    72,    73,    74,    75,    76,    77,    78,    79,
    80,    81,    84,    85,    89,    90,    93,    94,    95,    95,
    98,    99,   100,   102,   105,   105,   108,   108,   111,   112,
   112,   112,   115,   116,   119,   119,   122,   123,   124,   126,
   129,   129,   130,   130,   130,   133,   133,   134,   136,   136,
   136,   139,   139,   139,   142,   143,   144,   147
};
#endif


#if YYDEBUG != 0 || defined (YYERROR_VERBOSE)

static const char * const yytname[] = {   "$","error","$undefined.","SUMOP",
"MINUSOP","DIVIDEOP","EXPOP","MULTOP","PARENTHESIS","BRACKET","ENDPARENTHESIS",
"ENDBRACKET","VALUE","IDENTIFIER","COMMA","DIFFERENTIAL","DERIVATE","DERIVKEY",
"ASSIGNOP","DEASSIGNKEY","EQUALOP","RELSEPARATOR","CONSTKEY","SUMKEY","PRODKEY",
"'\\n'","exprentry","Assignment","@1","Deassignment","@2","GenExpr","SingleExpr",
"Single","Function","@3","ListGenExpr","@4","funcident","FunctionDefinition",
"@5","DerFunctionId","@6","DiffFuncId","@7","@8","DiffId","FunctionDef","@9",
"ListArg","@10","unarg","Derivation","@11","@12","@13","ConstantDefinition",
"@14","@15","Sumator","@16","@17","Productor","@18","@19","RelationList","SingleRelation", NULL
};
#endif

static const short yyr1[] = {     0,
    26,    26,    26,    26,    26,    28,    27,    30,    29,    31,
    31,    31,    31,    31,    31,    31,    31,    31,    31,    31,
    31,    31,    32,    32,    33,    33,    34,    34,    35,    34,
    36,    37,    36,    38,    40,    39,    42,    41,    43,    44,
    45,    43,    46,    46,    48,    47,    49,    50,    49,    51,
    53,    52,    54,    55,    52,    57,    58,    56,    60,    61,
    59,    63,    64,    62,    65,    65,    65,    66
};

static const short yyr2[] = {     0,
     1,     1,     1,     1,     1,     0,     4,     0,     5,     3,
     3,     3,     3,     3,     3,     3,     2,     1,     1,     1,
     1,     1,     1,     1,     1,     1,     4,     4,     0,     5,
     1,     0,     4,     1,     0,     4,     0,     3,     5,     0,
     0,     9,     1,     1,     0,     5,     1,     0,     4,     1,
     0,     7,     0,     0,    10,     0,     0,     8,     0,     0,
    14,     0,     0,    14,     1,     3,     3,     3
};

static const short yydefact[] = {     0,
     0,     0,     0,    26,    25,     0,     0,     0,     0,     0,
     0,     2,     3,     1,    18,    23,    24,     0,     4,     0,
    29,    35,    19,    20,    21,    22,     5,    65,    25,    17,
     0,     0,     0,     0,     0,    40,    43,    44,     0,     0,
     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
     0,     0,     0,     0,     0,     0,    15,    16,     0,    38,
     0,     0,     0,     0,     8,    56,     0,     0,    10,    11,
    13,    14,    12,    68,    31,     0,     0,     0,     0,     0,
    66,    67,     7,    50,     0,    47,     0,     0,     0,     0,
     0,     0,     0,    32,    27,    28,     0,    36,    46,    48,
     0,    39,    51,     9,     0,    59,    62,     0,    30,     0,
     0,     0,     0,    57,     0,     0,    33,    49,    41,    52,
     0,     0,     0,     0,     0,    54,    58,     0,     0,    42,
     0,     0,     0,    55,     0,     0,     0,     0,    60,    63,
     0,     0,    61,    64,     0,     0,     0
};

static const short yydefgoto[] = {   145,
    12,    33,    13,    90,    75,    15,    16,    17,    53,    76,
   108,    18,    19,    54,    20,    34,    21,    62,   125,    39,
    22,    35,    85,   110,    86,    23,   112,   113,   131,    24,
    91,   122,    25,   115,   141,    26,   116,   142,    27,    28
};

static const short yypact[] = {     2,
    54,    54,    54,-32768,     4,    60,     9,    18,    20,    24,
    30,-32768,-32768,    31,-32768,-32768,-32768,     8,-32768,    49,
-32768,-32768,-32768,-32768,-32768,-32768,-32768,     7,    15,    47,
   161,   152,   -10,    48,    56,-32768,-32768,-32768,    63,    54,
    57,    61,    54,    54,    54,    54,    54,    54,    54,    54,
    54,    54,    84,    72,    54,    54,-32768,-32768,    54,-32768,
    80,    -6,    79,    77,-32768,-32768,    82,    94,    47,    47,
    89,-32768,    89,   169,    99,    97,   100,    54,    54,    31,
-32768,-32768,   169,-32768,    98,   105,   106,   107,   108,   101,
   117,   109,   121,-32768,-32768,-32768,   125,   169,-32768,-32768,
   133,-32768,   122,-32768,   138,-32768,-32768,    54,-32768,    80,
   139,   141,   146,-32768,   147,   148,-32768,-32768,-32768,-32768,
   157,   142,    54,    54,   164,-32768,-32768,   111,   123,-32768,
   159,    54,    54,-32768,   135,   140,   166,   167,-32768,-32768,
   170,   171,-32768,-32768,   180,   183,-32768
};

static const short yypgoto[] = {-32768,
-32768,-32768,-32768,-32768,     0,-32768,-32768,-32768,-32768,   -48,
-32768,-32768,-32768,-32768,-32768,-32768,    -1,-32768,-32768,   124,
-32768,-32768,    74,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,   -14,-32768
};


#define     YYLAST            186


static const short yytable[] = {    14,
    30,    31,    32,    77,    38,     1,    37,    59,     6,     2,
     3,   -34,   -45,     4,     5,    51,     6,    40,     7,   -37,
     8,    -6,   -34,     9,    10,    11,    41,    55,    42,    97,
   -37,    56,    43,    45,    46,    47,    48,    49,    44,    64,
    81,    82,    67,    68,    69,    70,    71,    72,    73,    74,
    50,    47,    48,    49,    80,    80,    52,     1,    83,   117,
    38,     2,     3,    60,    61,     4,    29,    63,     6,    65,
     7,    36,    37,    66,     6,     9,    10,    11,    98,    45,
    46,    47,    48,    49,    45,    46,    47,    48,    49,    79,
    89,    78,    84,    88,    48,    92,    45,    46,    47,    48,
    49,    45,    46,    47,    48,    49,    95,    93,    99,    96,
   101,   104,    94,    45,    46,    47,    48,    49,   100,   102,
   103,   106,   128,   129,   132,    45,    46,    47,    48,    49,
   105,   135,   136,   107,   109,   -53,   133,    45,    46,    47,
    48,    49,    45,    46,    47,    48,    49,   111,   137,   114,
   119,   120,   127,   138,    45,    46,    47,    48,    49,   121,
   123,   124,    58,    45,    46,    47,    48,    49,   126,   134,
    57,    45,    46,    47,    48,    49,   130,   139,   140,   146,
   143,   144,   147,   118,     0,    87
};

static const short yycheck[] = {     0,
     1,     2,     3,    52,     6,     4,    13,    18,    15,     8,
     9,     8,     9,    12,    13,     8,    15,     9,    17,    16,
    19,    18,     8,    22,    23,    24,     9,    21,     9,    78,
    16,    25,     9,     3,     4,     5,     6,     7,     9,    40,
    55,    56,    43,    44,    45,    46,    47,    48,    49,    50,
    20,     5,     6,     7,    55,    56,     8,     4,    59,   108,
    62,     8,     9,    16,     9,    12,    13,     5,    15,    13,
    17,    12,    13,    13,    15,    22,    23,    24,    79,     3,
     4,     5,     6,     7,     3,     4,     5,     6,     7,    18,
    14,     8,    13,    15,     6,    14,     3,     4,     5,     6,
     7,     3,     4,     5,     6,     7,    10,    14,    11,    10,
     5,    11,    14,     3,     4,     5,     6,     7,    14,    13,
    13,    13,   123,   124,    14,     3,     4,     5,     6,     7,
    14,   132,   133,    13,    10,    14,    14,     3,     4,     5,
     6,     7,     3,     4,     5,     6,     7,    15,    14,    12,
    12,    11,    11,    14,     3,     4,     5,     6,     7,    14,
    14,    14,    11,     3,     4,     5,     6,     7,    12,    11,
    10,     3,     4,     5,     6,     7,    13,    12,    12,     0,
    11,    11,     0,   110,    -1,    62
};
/* -*-C-*-  Note some compilers choke on comments on `#line' lines.  */
#line 3 "bison.simple"

/* Skeleton output parser for bison,
   Copyright (C) 1984, 1989, 1990 Bob Corbett and Richard Stallman

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 1, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */


#ifndef alloca
#ifdef __GNUC__
#define alloca __builtin_alloca
#else /* not GNU C.  */
#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
#include <alloca.h>
#else /* not sparc */
#if (  defined( MSDOS ) || defined( WNT )  ) && !defined (__TURBOC__)
#include <malloc.h>
#else /* not MSDOS, or __TURBOC__ */
#if defined(_AIX)
#include <malloc.h>
 #pragma alloca
#else /* not MSDOS, __TURBOC__, or _AIX */
#ifdef __hpux
#include <malloc.h>
#define alloca malloc
#endif /* __hpux */
#endif /* not _AIX */
#endif /* not MSDOS, or __TURBOC__ */
#endif /* not sparc.  */
#endif /* not GNU C.  */
#endif /* alloca not defined.  */

/* This is the parser code that is written into each bison parser
  when the %semantic_parser declaration is not specified in the grammar.
  It was written by Richard Stallman by simplifying the hairy parser
  used when %semantic_parser is specified.  */

/* Note: there must be only one dollar sign in this file.
   It is replaced by the list of actions, each action
   as one case of the switch.  */

#define yyerrok         (yyerrstatus = 0)
#define yyclearin (yychar = YYEMPTY)
#define YYEMPTY         -2
#define YYEOF           0
#define YYACCEPT  return(0)
#define YYABORT   return(1)
#define YYERROR         goto yyerrlab1
/* Like YYERROR except do call yyerror.
   This remains here temporarily to ease the
   transition to the new meaning of YYERROR, for GCC.
   Once GCC version 2 has supplanted version 1, this can go.  */
#define YYFAIL          goto yyerrlab
#define YYRECOVERING()  (!!yyerrstatus)
#define YYBACKUP(token, value) \
do                                              \
  if (yychar == YYEMPTY && yylen == 1)                      \
    { yychar = (token), yylval = (value);             \
      yychar1 = YYTRANSLATE (yychar);                       \
      YYPOPSTACK;                               \
      goto yybackup;                                  \
    }                                           \
  else                                                \
    { yyerror ("syntax error: cannot back up"); YYERROR; }  \
while (0)

#define YYTERROR  1
#define YYERRCODE 256

#ifndef YYPURE
#define YYLEX           yylex()
#endif

#ifdef YYPURE
#ifdef YYLSP_NEEDED
#ifdef YYLEX_PARAM
#define YYLEX           yylex(&yylval, &yylloc, YYLEX_PARAM)
#else
#define YYLEX           yylex(&yylval, &yylloc)
#endif
#else /* not YYLSP_NEEDED */
#ifdef YYLEX_PARAM
#define YYLEX           yylex(&yylval, YYLEX_PARAM)
#else
#define YYLEX           yylex(&yylval)
#endif
#endif /* not YYLSP_NEEDED */
#endif

/* If nonreentrant, generate the variables here */

#ifndef YYPURE

int   yychar;                 /*  the lookahead symbol            */
YYSTYPE     yylval;                 /*  the semantic value of the       */
                        /*  lookahead symbol                */

#ifdef YYLSP_NEEDED
YYLTYPE yylloc;               /*  location data for the lookahead */
                        /*  symbol                    */
#endif

int yynerrs;                  /*  number of parse errors so far       */
#endif  /* not YYPURE */

#if YYDEBUG != 0
int yydebug;                  /*  nonzero means print parse trace */
/* Since this is uninitialized, it does not stop multiple parsers
   from coexisting.  */
#endif

/*  YYINITDEPTH indicates the initial size of the parser's stacks */

#ifndef     YYINITDEPTH
#define YYINITDEPTH 200
#endif

/*  YYMAXDEPTH is the maximum size the stacks can grow to
    (effective only if the built-in stack extension method is used).  */

#if YYMAXDEPTH == 0
#undef YYMAXDEPTH
#endif

#ifndef YYMAXDEPTH
#define YYMAXDEPTH 10000
#endif

/* Prevent warning if -Wstrict-prototypes.  */
#ifdef __GNUC__
int yyparse (void);
#endif

#if __GNUC__ > 1        /* GNU C and GNU C++ define this.  */
#if defined( WNT )
#define __yy_bcopy(FROM,TO,COUNT)   __builtin_memcpy(TO,FROM,COUNT)
#else                   /* not GNU C or C++ */
#define __yy_memcpy(TO,FROM,COUNT)  __builtin_memcpy(TO,FROM,COUNT)
#endif
#else                   /* not GNU C or C++ */
#ifndef __cplusplus

/* This is the most reliable way to avoid incompatibilities
   in available built-in functions on various systems.  */
static void
#if defined( WNT )
__yy_bcopy (__from, __to, __count)
     char *__from;
     char *__to;
     int __count;
#else
__yy_memcpy (to, from, count)
     char *to;
     char *from;
     int count;
#endif
{
#ifdef WNT 
  register char *f = __from;
  register char *t = __to;
  register int i = __count;
#else
  register char *f = from;
  register char *t = to;
  register int i = count;
#endif
  while (i-- > 0)
    *t++ = *f++;
}

#else /* __cplusplus */

/* This is the most reliable way to avoid incompatibilities
   in available built-in functions on various systems.  */
static void
#if defined(WNT)
__yy_bcopy (char *__from, char *__to, int __count)
#else
__yy_memcpy (char *to, char *from, int count)
#endif
{
#if defined(WNT)
  register char *f = __from;
  register char *t = __to;
  register int i = __count;
#else
  register char *f = from;
  register char *t = to;
  register int i = count;
#endif

  while (i-- > 0)
    *t++ = *f++;
}

#endif
#endif

#line 196 "/PRODUCTS/flexbis-253-125/share/bison.simple"

/* The user can define YYPARSE_PARAM as the name of an argument to be passed
   into yyparse.  The argument should have type void *.
   It should actually point to an object.
   Grammar actions can access the variable by casting it
   to the proper pointer type.  */

#ifdef YYPARSE_PARAM
#ifdef __cplusplus
#define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
#define YYPARSE_PARAM_DECL
#else /* not __cplusplus */
#define YYPARSE_PARAM_ARG YYPARSE_PARAM
#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
#endif /* not __cplusplus */
#else /* not YYPARSE_PARAM */
#define YYPARSE_PARAM_ARG
#define YYPARSE_PARAM_DECL
#endif /* not YYPARSE_PARAM */

int
#if defined(WNT)
yyparse()
#else
yyparse(YYPARSE_PARAM_ARG)
     YYPARSE_PARAM_DECL
#endif
{
  register int yystate;
  register int yyn;
  register short *yyssp;
  register YYSTYPE *yyvsp;
  int yyerrstatus;      /*  number of tokens to shift before error messages enabled */
  int yychar1 = 0;            /*  lookahead token as an internal (translated) token number */

  short     yyssa[YYINITDEPTH];     /*  the state stack                 */
  YYSTYPE yyvsa[YYINITDEPTH]; /*  the semantic value stack        */

  short *yyss = yyssa;        /*  refer to the stacks thru separate pointers */
  YYSTYPE *yyvs = yyvsa;      /*  to allow yyoverflow to reallocate them elsewhere */

#ifdef YYLSP_NEEDED
  YYLTYPE yylsa[YYINITDEPTH]; /*  the location stack              */
  YYLTYPE *yyls = yylsa;
  YYLTYPE *yylsp;

#define YYPOPSTACK   (yyvsp--, yyssp--, yylsp--)
#else
#define YYPOPSTACK   (yyvsp--, yyssp--)
#endif

  int yystacksize = YYINITDEPTH;

#ifdef YYPURE
  int yychar;
  YYSTYPE yylval;
  int yynerrs;
#ifdef YYLSP_NEEDED
  YYLTYPE yylloc;
#endif
#endif

  YYSTYPE yyval;        /*  the variable used to return           */
                        /*  semantic values from the action */
                        /*  routines                        */

  int yylen;

#if YYDEBUG != 0
  if (yydebug)
    fprintf(stderr, "Starting parse\n");
#endif

  yystate = 0;
  yyerrstatus = 0;
  yynerrs = 0;
  yychar = YYEMPTY;           /* Cause a token to be read.  */

  /* Initialize stack pointers.
     Waste one element of value and location stack
     so that they stay on the same level as the state stack.
     The wasted elements are never initialized.  */

  yyssp = yyss - 1;
  yyvsp = yyvs;
#ifdef YYLSP_NEEDED
  yylsp = yyls;
#endif

/* Push a new state, which is found in  yystate  .  */
/* In all cases, when you get here, the value and location stacks
   have just been pushed. so pushing a state here evens the stacks.  */
yynewstate:

  *++yyssp = yystate;

  if (yyssp >= yyss + yystacksize - 1)
    {
      /* Give user a chance to reallocate the stack */
      /* Use copies of these so that the &'s don't force the real ones into memory. */
      YYSTYPE *yyvs1 = yyvs;
      short *yyss1 = yyss;
#ifdef YYLSP_NEEDED
      YYLTYPE *yyls1 = yyls;
#endif

      /* Get the current used size of the three stacks, in elements.  */
      int size = yyssp - yyss + 1;

#ifdef yyoverflow
      /* Each stack pointer address is followed by the size of
       the data in use in that stack, in bytes.  */
#ifdef YYLSP_NEEDED
      /* This used to be a conditional around just the two extra args,
       but that might be undefined if yyoverflow is a macro.  */
      yyoverflow("parser stack overflow",
             &yyss1, size * sizeof (*yyssp),
             &yyvs1, size * sizeof (*yyvsp),
             &yyls1, size * sizeof (*yylsp),
             &yystacksize);
#else
      yyoverflow("parser stack overflow",
             &yyss1, size * sizeof (*yyssp),
             &yyvs1, size * sizeof (*yyvsp),
             &yystacksize);
#endif

      yyss = yyss1; yyvs = yyvs1;
#ifdef YYLSP_NEEDED
      yyls = yyls1;
#endif
#else /* no yyoverflow */
      /* Extend the stack our own way.  */
      if (yystacksize >= YYMAXDEPTH)
      {
        yyerror("parser stack overflow");
        return 2;
      }
      yystacksize *= 2;
      if (yystacksize > YYMAXDEPTH)
      yystacksize = YYMAXDEPTH;
      yyss = (short *) alloca (yystacksize * sizeof (*yyssp));
#if defined(WNT)
      __yy_bcopy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp));
#else
      __yy_memcpy ((char *)yyss, (char *)yyss1, size * sizeof (*yyssp));
#endif
      yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
#if defined(WNT)
      __yy_bcopy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp));
#else
      __yy_memcpy ((char *)yyvs, (char *)yyvs1, size * sizeof (*yyvsp));
#endif
#ifdef YYLSP_NEEDED
      yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
#if defined(WNT)
      __yy_bcopy ((char *)yyls1, (char *)yyls, size * sizeof (*yylsp));
#else
      __yy_memcpy ((char *)yyls, (char *)yyls1, size * sizeof (*yylsp));
#endif
#endif
#endif /* no yyoverflow */

      yyssp = yyss + size - 1;
      yyvsp = yyvs + size - 1;
#ifdef YYLSP_NEEDED
      yylsp = yyls + size - 1;
#endif

#if YYDEBUG != 0
      if (yydebug)
      fprintf(stderr, "Stack size increased to %d\n", yystacksize);
#endif

      if (yyssp >= yyss + yystacksize - 1)
      YYABORT;
    }

#if YYDEBUG != 0
  if (yydebug)
    fprintf(stderr, "Entering state %d\n", yystate);
#endif

  goto yybackup;
 yybackup:

/* Do appropriate processing given the current state.  */
/* Read a lookahead token if we need one and don't already have one.  */
/* yyresume: */

  /* First try to decide what to do without reference to lookahead token.  */

  yyn = yypact[yystate];
  if (yyn == YYFLAG)
    goto yydefault;

  /* Not known => get a lookahead token if don't already have one.  */

  /* yychar is either YYEMPTY or YYEOF
     or a valid token in external form.  */

  if (yychar == YYEMPTY)
    {
#if YYDEBUG != 0
      if (yydebug)
      fprintf(stderr, "Reading a token: ");
#endif
      yychar = YYLEX;
    }

  /* Convert token to internal form (in yychar1) for indexing tables with */

  if (yychar <= 0)            /* This means end of input. */
    {
      yychar1 = 0;
      yychar = YYEOF;         /* Don't call YYLEX any more */

#if YYDEBUG != 0
      if (yydebug)
      fprintf(stderr, "Now at end of input.\n");
#endif
    }
  else
    {
      yychar1 = YYTRANSLATE(yychar);

#if YYDEBUG != 0
      if (yydebug)
      {
        fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
        /* Give the individual parser a way to print the precise meaning
           of a token, for further debugging info.  */
#ifdef YYPRINT
        YYPRINT (stderr, yychar, yylval);
#endif
        fprintf (stderr, ")\n");
      }
#endif
    }

  yyn += yychar1;
  if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
    goto yydefault;

  yyn = yytable[yyn];

  /* yyn is what to do for this token type in this state.
     Negative => reduce, -yyn is rule number.
     Positive => shift, yyn is new state.
       New state is final state => don't bother to shift,
       just return success.
     0, or most negative number => error.  */

  if (yyn < 0)
    {
      if (yyn == YYFLAG)
      goto yyerrlab;
      yyn = -yyn;
      goto yyreduce;
    }
  else if (yyn == 0)
    goto yyerrlab;

  if (yyn == YYFINAL)
    YYACCEPT;

  /* Shift the lookahead token.  */

#if YYDEBUG != 0
  if (yydebug)
    fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
#endif

  /* Discard the token being shifted unless it is eof.  */
  if (yychar != YYEOF)
    yychar = YYEMPTY;

  *++yyvsp = yylval;
#ifdef YYLSP_NEEDED
  *++yylsp = yylloc;
#endif

  /* count tokens shifted since error; after three, turn off error status.  */
  if (yyerrstatus) yyerrstatus--;

  yystate = yyn;
  goto yynewstate;

/* Do the default action for the current state.  */
yydefault:

  yyn = yydefact[yystate];
  if (yyn == 0)
    goto yyerrlab;

/* Do a reduction.  yyn is the number of a rule to reduce with.  */
yyreduce:
  yylen = yyr2[yyn];
  if (yylen > 0)
    yyval = yyvsp[1-yylen]; /* implement default value of the action */

#if YYDEBUG != 0
  if (yydebug)
    {
      int i;

      fprintf (stderr, "Reducing via rule %d (line %d), ",
             yyn, yyrline[yyn]);

      /* Print the symbols being reduced, and their result.  */
      for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
      fprintf (stderr, "%s ", yytname[yyrhs[i]]);
      fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
    }
#endif


  switch (yyn) {

case 4:
#line 59 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_EndOfFuncDef();;
    break;}
case 5:
#line 60 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_EndOfRelation();;
    break;}
case 6:
#line 63 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_AssignVariable();;
    break;}
case 7:
#line 63 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_EndOfAssign();;
    break;}
case 8:
#line 66 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_Deassign();;
    break;}
case 10:
#line 69 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_SumOperator();;
    break;}
case 11:
#line 70 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_MinusOperator();;
    break;}
case 12:
#line 71 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_ProductOperator();;
    break;}
case 13:
#line 72 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_DivideOperator();;
    break;}
case 14:
#line 73 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_ExpOperator();;
    break;}
case 17:
#line 76 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_UnaryMinusOperator();;
    break;}
case 25:
#line 89 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_VariableIdentifier();;
    break;}
case 26:
#line 90 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_NumValue();;
    break;}
case 27:
#line 93 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_EndFunction();;
    break;}
case 28:
#line 94 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_EndDerFunction();;
    break;}
case 29:
#line 95 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_EndDifferential();;
    break;}
case 30:
#line 95 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_EndDiffFunction();;
    break;}
case 31:
#line 98 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_EndFuncArg();;
    break;}
case 32:
#line 99 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_NextFuncArg();;
    break;}
case 34:
#line 102 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_StartFunction();;
    break;}
case 35:
#line 105 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_DefineFunction();;
    break;}
case 37:
#line 108 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_StartDerivate();;
    break;}
case 38:
#line 108 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_EndDerivate();;
    break;}
case 39:
#line 111 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_DiffVar();;
    break;}
case 40:
#line 112 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_DiffDegree();;
    break;}
case 41:
#line 112 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_VerDiffDegree();;
    break;}
case 42:
#line 112 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_DiffDegreeVar();;
    break;}
case 43:
#line 115 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_StartDifferential();;
    break;}
case 45:
#line 119 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_StartFunction();;
    break;}
case 47:
#line 122 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_EndFuncArg();;
    break;}
case 48:
#line 123 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_NextFuncArg();;
    break;}
case 50:
#line 126 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_VariableIdentifier();;
    break;}
case 51:
#line 129 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_Derivation();;
    break;}
case 52:
#line 129 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_EndDerivation();;
    break;}
case 53:
#line 130 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_Derivation();;
    break;}
case 54:
#line 130 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_DerivationValue();;
    break;}
case 55:
#line 130 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_EndDerivation();;
    break;}
case 56:
#line 133 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_ConstantIdentifier();;
    break;}
case 57:
#line 133 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_ConstantDefinition();;
    break;}
case 59:
#line 136 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_VariableIdentifier();;
    break;}
case 60:
#line 136 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_NumValue();;
    break;}
case 61:
#line 136 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_Sumator();;
    break;}
case 62:
#line 139 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_VariableIdentifier();;
    break;}
case 63:
#line 139 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_NumValue();;
    break;}
case 64:
#line 139 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_Productor();;
    break;}
case 68:
#line 147 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"
{ExprIntrp_EndOfEqual();;
    break;}
}
   /* the action file gets copied in in place of this dollarsign */
#line 442 "bison.simple"

  yyvsp -= yylen;
  yyssp -= yylen;
#ifdef YYLSP_NEEDED
  yylsp -= yylen;
#endif

#if YYDEBUG != 0
  if (yydebug)
    {
      short *ssp1 = yyss - 1;
      fprintf (stderr, "state stack now");
      while (ssp1 != yyssp)
      fprintf (stderr, " %d", *++ssp1);
      fprintf (stderr, "\n");
    }
#endif

  *++yyvsp = yyval;

#ifdef YYLSP_NEEDED
  yylsp++;
  if (yylen == 0)
    {
      yylsp->first_line = yylloc.first_line;
      yylsp->first_column = yylloc.first_column;
      yylsp->last_line = (yylsp-1)->last_line;
      yylsp->last_column = (yylsp-1)->last_column;
      yylsp->text = 0;
    }
  else
    {
      yylsp->last_line = (yylsp+yylen-1)->last_line;
      yylsp->last_column = (yylsp+yylen-1)->last_column;
    }
#endif

  /* Now "shift" the result of the reduction.
     Determine what state that goes to,
     based on the state we popped back to
     and the rule number reduced by.  */

  yyn = yyr1[yyn];

  yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
  if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
    yystate = yytable[yystate];
  else
    yystate = yydefgoto[yyn - YYNTBASE];

  goto yynewstate;

yyerrlab:   /* here on detecting error */

  if (! yyerrstatus)
    /* If not already recovering from an error, report this error.  */
    {
      ++yynerrs;

#ifdef YYERROR_VERBOSE
      yyn = yypact[yystate];

      if (yyn > YYFLAG && yyn < YYLAST)
      {
        int size = 0;
        char *msg;
        int x, count;

        count = 0;
        /* Start X at -yyn if nec to avoid negative indexes in yycheck.  */
        for (x = (yyn < 0 ? -yyn : 0);
             x < (sizeof(yytname) / sizeof(char *)); x++)
          if (yycheck[x + yyn] == x)
            size += strlen(yytname[x]) + 15, count++;
        msg = (char *) malloc(size + 15);
        if (msg != 0)
          {
            strcpy(msg, "parse error");

            if (count < 5)
            {
              count = 0;
              for (x = (yyn < 0 ? -yyn : 0);
                   x < (sizeof(yytname) / sizeof(char *)); x++)
                if (yycheck[x + yyn] == x)
                  {
                  strcat(msg, count == 0 ? ", expecting `" : " or `");
                  strcat(msg, yytname[x]);
                  strcat(msg, "'");
                  count++;
                  }
            }
            yyerror(msg);
            free(msg);
          }
        else
          yyerror ("parse error; also virtual memory exceeded");
      }
      else
#endif /* YYERROR_VERBOSE */
      yyerror("parse error");
    }

  goto yyerrlab1;
yyerrlab1:   /* here on error raised explicitly by an action */

  if (yyerrstatus == 3)
    {
      /* if just tried and failed to reuse lookahead token after an error, discard it.  */

      /* return failure if at end of input */
      if (yychar == YYEOF)
      YYABORT;

#if YYDEBUG != 0
      if (yydebug)
      fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
#endif

      yychar = YYEMPTY;
    }

  /* Else will try to reuse lookahead token
     after shifting the error token.  */

  yyerrstatus = 3;            /* Each real token shifted decrements this */

  goto yyerrhandle;

yyerrdefault:  /* current state does not do anything special for the error token. */

#if 0
  /* This is wrong; only states that explicitly want error tokens
     should shift them.  */
  yyn = yydefact[yystate];  /* If its default is to accept any token, ok.  Otherwise pop it.*/
  if (yyn) goto yydefault;
#endif

yyerrpop:   /* pop the current state because it cannot handle the error token */

  if (yyssp == yyss) YYABORT;
  yyvsp--;
  yystate = *--yyssp;
#ifdef YYLSP_NEEDED
  yylsp--;
#endif

#if YYDEBUG != 0
  if (yydebug)
    {
      short *ssp1 = yyss - 1;
      fprintf (stderr, "Error: state stack now");
      while (ssp1 != yyssp)
      fprintf (stderr, " %d", *++ssp1);
      fprintf (stderr, "\n");
    }
#endif

yyerrhandle:

  yyn = yypact[yystate];
  if (yyn == YYFLAG)
    goto yyerrdefault;

  yyn += YYTERROR;
  if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
    goto yyerrdefault;

  yyn = yytable[yyn];
  if (yyn < 0)
    {
      if (yyn == YYFLAG)
      goto yyerrpop;
      yyn = -yyn;
      goto yyreduce;
    }
  else if (yyn == 0)
    goto yyerrpop;

  if (yyn == YYFINAL)
    YYACCEPT;

#if YYDEBUG != 0
  if (yydebug)
    fprintf(stderr, "Shifting error token, ");
#endif

  *++yyvsp = yylval;
#ifdef YYLSP_NEEDED
  *++yylsp = yylloc;
#endif

  yystate = yyn;
  goto yynewstate;
}
#line 150 "j:/kas/c40/ros/src/exprintrp/exprintrp.yacc"

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