
/*  A Bison parser, made from ./m2-exp.y with Bison version GNU Bison version 1.24
  */

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

#define	INT	258
#define	HEX	259
#define	ERROR	260
#define	UINT	261
#define	M2_TRUE	262
#define	M2_FALSE	263
#define	CHAR	264
#define	FLOAT	265
#define	STRING	266
#define	NAME	267
#define	BLOCKNAME	268
#define	IDENT	269
#define	VARNAME	270
#define	TYPENAME	271
#define	SIZE	272
#define	CAP	273
#define	ORD	274
#define	HIGH	275
#define	ABS	276
#define	MIN_FUNC	277
#define	MAX_FUNC	278
#define	FLOAT_FUNC	279
#define	VAL	280
#define	CHR	281
#define	ODD	282
#define	TRUNC	283
#define	INC	284
#define	DEC	285
#define	INCL	286
#define	EXCL	287
#define	COLONCOLON	288
#define	LAST	289
#define	REGNAME	290
#define	INTERNAL_VAR	291
#define	ABOVE_COMMA	292
#define	ASSIGN	293
#define	LEQ	294
#define	GEQ	295
#define	NOTEQUAL	296
#define	IN	297
#define	OROR	298
#define	LOGICAL_AND	299
#define	DIV	300
#define	MOD	301
#define	UNARY	302
#define	DOT	303
#define	NOT	304
#define	QID	305

#line 40 "./m2-exp.y"


#include "defs.h"
#include <string.h>
#include "expression.h"
#include "language.h"
#include "value.h"
#include "parser-defs.h"
#include "m2-lang.h"
#include "bfd.h" /* Required by objfiles.h.  */
#include "symfile.h" /* Required by objfiles.h.  */
#include "objfiles.h" /* For have_full_symbols and have_partial_symbols */

/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
   as well as gratuitiously global symbol names, so we can have multiple
   yacc generated parsers in gdb.  Note that these are only the variables
   produced by yacc.  If other parser generators (bison, byacc, etc) produce
   additional global names that conflict at link time, then those parser
   generators need to be fixed instead of adding those names to this list. */

#define	yymaxdepth m2_maxdepth
#define	yyparse	m2_parse
#define	yylex	m2_lex
#define	yyerror	m2_error
#define	yylval	m2_lval
#define	yychar	m2_char
#define	yydebug	m2_debug
#define	yypact	m2_pact
#define	yyr1	m2_r1
#define	yyr2	m2_r2
#define	yydef	m2_def
#define	yychk	m2_chk
#define	yypgo	m2_pgo
#define	yyact	m2_act
#define	yyexca	m2_exca
#define	yyerrflag m2_errflag
#define	yynerrs	m2_nerrs
#define	yyps	m2_ps
#define	yypv	m2_pv
#define	yys	m2_s
#define	yy_yys	m2_yys
#define	yystate	m2_state
#define	yytmp	m2_tmp
#define	yyv	m2_v
#define	yy_yyv	m2_yyv
#define	yyval	m2_val
#define	yylloc	m2_lloc
#define	yyreds	m2_reds		/* With YYDEBUG defined */
#define	yytoks	m2_toks		/* With YYDEBUG defined */
#define yylhs	m2_yylhs
#define yylen	m2_yylen
#define yydefred m2_yydefred
#define yydgoto	m2_yydgoto
#define yysindex m2_yysindex
#define yyrindex m2_yyrindex
#define yygindex m2_yygindex
#define yytable	 m2_yytable
#define yycheck	 m2_yycheck

#ifndef YYDEBUG
#define	YYDEBUG	0		/* Default to no yydebug support */
#endif

int
yyparse PARAMS ((void));

static int
yylex PARAMS ((void));

void
yyerror PARAMS ((char *));

#if 0
static char *
make_qualname PARAMS ((char *, char *));
#endif

static int
parse_number PARAMS ((int));

/* The sign of the number being parsed. */
static int number_sign = 1;

/* The block that the module specified by the qualifer on an identifer is
   contained in, */
#if 0
static struct block *modblock=0;
#endif


#line 135 "./m2-exp.y"
typedef union
  {
    LONGEST lval;
    unsigned LONGEST ulval;
    double dval;
    struct symbol *sym;
    struct type *tval;
    struct stoken sval;
    int voidval;
    struct block *bval;
    enum exp_opcode opcode;
    struct internalvar *ivar;

    struct type **tvec;
    int *ivec;
  } YYSTYPE;

#ifndef YYLTYPE
typedef
  struct yyltype
    {
      int timestamp;
      int first_line;
      int first_column;
      int last_line;
      int last_column;
      char *text;
   }
  yyltype;

#define YYLTYPE yyltype
#endif

#include <stdio.h>

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



#define	YYFINAL		183
#define	YYFLAG		-32768
#define	YYNTBASE	70

#define YYTRANSLATE(x) ((unsigned)(x) <= 305 ? yytranslate[x] : 84)

static const char yytranslate[] = {     0,
     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,    46,     2,     2,    50,     2,    62,
    66,    54,    52,    37,    53,     2,    55,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,    40,
    44,    41,     2,    51,     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,
    61,     2,    69,    59,     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,    67,     2,    68,    64,     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,    25,
    26,    27,    28,    29,    30,    31,    32,    33,    34,    35,
    36,    38,    39,    42,    43,    45,    47,    48,    49,    56,
    57,    58,    60,    63,    65
};

#if YYDEBUG != 0
static const short yyprhs[] = {     0,
     0,     2,     4,     6,     9,    10,    14,    17,    20,    22,
    24,    29,    34,    39,    44,    49,    54,    59,    66,    71,
    76,    81,    84,    89,    96,   101,   108,   112,   114,   118,
   125,   132,   136,   141,   142,   148,   149,   155,   156,   158,
   162,   164,   168,   173,   178,   182,   186,   190,   194,   198,
   202,   206,   210,   214,   218,   222,   226,   230,   234,   238,
   242,   246,   250,   252,   254,   256,   258,   260,   262,   264,
   266,   268,   273,   275,   277,   279,   283,   285,   287,   291,
   293
};

static const short yyrhs[] = {    72,
     0,    71,     0,    83,     0,    72,    59,     0,     0,    53,
    73,    72,     0,    52,    72,     0,    74,    72,     0,    63,
     0,    64,     0,    18,    62,    72,    66,     0,    19,    62,
    72,    66,     0,    21,    62,    72,    66,     0,    20,    62,
    72,    66,     0,    22,    62,    83,    66,     0,    23,    62,
    83,    66,     0,    24,    62,    72,    66,     0,    25,    62,
    83,    37,    72,    66,     0,    26,    62,    72,    66,     0,
    27,    62,    72,    66,     0,    28,    62,    72,    66,     0,
    17,    72,     0,    29,    62,    72,    66,     0,    29,    62,
    72,    37,    72,    66,     0,    30,    62,    72,    66,     0,
    30,    62,    72,    37,    72,    66,     0,    72,    60,    12,
     0,    75,     0,    72,    47,    75,     0,    31,    62,    72,
    37,    72,    66,     0,    32,    62,    72,    37,    72,    66,
     0,    67,    78,    68,     0,    83,    67,    78,    68,     0,
     0,    72,    61,    76,    79,    69,     0,     0,    72,    62,
    77,    78,    66,     0,     0,    72,     0,    78,    37,    72,
     0,    72,     0,    79,    37,    72,     0,    67,    83,    68,
    72,     0,    83,    62,    72,    66,     0,    62,    72,    66,
     0,    72,    51,    72,     0,    72,    54,    72,     0,    72,
    55,    72,     0,    72,    56,    72,     0,    72,    57,    72,
     0,    72,    52,    72,     0,    72,    53,    72,     0,    72,
    44,    72,     0,    72,    45,    72,     0,    72,    46,    72,
     0,    72,    42,    72,     0,    72,    43,    72,     0,    72,
    40,    72,     0,    72,    41,    72,     0,    72,    49,    72,
     0,    72,    48,    72,     0,    72,    39,    72,     0,     7,
     0,     8,     0,     3,     0,     6,     0,     9,     0,    10,
     0,    82,     0,    34,     0,    35,     0,    17,    62,    83,
    66,     0,    11,     0,    81,     0,    13,     0,    80,    33,
    13,     0,    81,     0,    36,     0,    80,    33,    12,     0,
    12,     0,    16,     0
};

#endif

#if YYDEBUG != 0
static const short yyrline[] = { 0,
   206,   207,   210,   219,   222,   224,   229,   233,   237,   238,
   241,   245,   249,   253,   257,   263,   269,   273,   279,   283,
   287,   291,   296,   300,   306,   310,   316,   322,   325,   329,
   333,   336,   338,   344,   349,   355,   359,   365,   368,   372,
   377,   382,   387,   393,   399,   407,   411,   415,   419,   423,
   427,   431,   435,   439,   441,   445,   449,   453,   457,   461,
   465,   469,   476,   482,   488,   495,   504,   512,   519,   523,
   529,   535,   542,   549,   553,   562,   574,   582,   589,   605,
   656
};

static const char * const yytname[] = {   "$","error","$undefined.","INT","HEX",
"ERROR","UINT","M2_TRUE","M2_FALSE","CHAR","FLOAT","STRING","NAME","BLOCKNAME",
"IDENT","VARNAME","TYPENAME","SIZE","CAP","ORD","HIGH","ABS","MIN_FUNC","MAX_FUNC",
"FLOAT_FUNC","VAL","CHR","ODD","TRUNC","INC","DEC","INCL","EXCL","COLONCOLON",
"LAST","REGNAME","INTERNAL_VAR","','","ABOVE_COMMA","ASSIGN","'<'","'>'","LEQ",
"GEQ","'='","NOTEQUAL","'#'","IN","OROR","LOGICAL_AND","'&'","'@'","'+'","'-'",
"'*'","'/'","DIV","MOD","UNARY","'^'","DOT","'['","'('","NOT","'~'","QID","')'",
"'{'","'}'","']'","start","type_exp","exp","@1","not_exp","set","@2","@3","arglist",
"non_empty_arglist","block","fblock","variable","type",""
};
#endif

static const short yyr1[] = {     0,
    70,    70,    71,    72,    73,    72,    72,    72,    74,    74,
    72,    72,    72,    72,    72,    72,    72,    72,    72,    72,
    72,    72,    72,    72,    72,    72,    72,    72,    72,    72,
    72,    75,    75,    76,    72,    77,    72,    78,    78,    78,
    79,    79,    72,    72,    72,    72,    72,    72,    72,    72,
    72,    72,    72,    72,    72,    72,    72,    72,    72,    72,
    72,    72,    72,    72,    72,    72,    72,    72,    72,    72,
    72,    72,    72,    80,    81,    81,    82,    82,    82,    82,
    83
};

static const short yyr2[] = {     0,
     1,     1,     1,     2,     0,     3,     2,     2,     1,     1,
     4,     4,     4,     4,     4,     4,     4,     6,     4,     4,
     4,     2,     4,     6,     4,     6,     3,     1,     3,     6,
     6,     3,     4,     0,     5,     0,     5,     0,     1,     3,
     1,     3,     4,     4,     3,     3,     3,     3,     3,     3,
     3,     3,     3,     3,     3,     3,     3,     3,     3,     3,
     3,     3,     1,     1,     1,     1,     1,     1,     1,     1,
     1,     4,     1,     1,     1,     3,     1,     1,     3,     1,
     1
};

static const short yydefact[] = {     0,
    65,    66,    63,    64,    67,    68,    73,    80,    75,    81,
     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
     0,     0,     0,     0,     0,     0,    70,    71,    78,     0,
     5,     0,     9,    10,    38,     2,     1,     0,    28,     0,
    77,    69,     3,     0,    22,     0,     0,     0,     0,     0,
     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
     0,     7,     0,     0,    39,     0,     0,     0,     0,     0,
     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
     0,     0,     0,     0,     0,     4,     0,    34,    36,     8,
     0,     0,    38,     0,     0,     0,     0,     0,     0,     0,
     0,     0,     0,     0,     0,     0,     0,     0,     0,     6,
    45,     0,    32,     0,    62,    58,    59,    56,    57,    53,
    54,    55,    38,    29,     0,    61,    60,    46,    51,    52,
    47,    48,    49,    50,    27,     0,    38,    79,    76,     0,
     0,    72,    11,    12,    14,    13,    15,    16,    17,     0,
    19,    20,    21,     0,    23,     0,    25,     0,     0,    40,
    43,    41,     0,     0,    44,    33,     0,     0,     0,     0,
     0,     0,    35,    37,    18,    24,    26,    30,    31,    42,
     0,     0,     0
};

static const short yydefgoto[] = {   181,
    36,    65,    63,    38,    39,   136,   137,    66,   163,    40,
    41,    42,    46
};

static const short yypact[] = {   157,
-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
   219,   -35,   -28,   -19,   -17,    -8,     2,     3,     4,     5,
    14,    25,    26,    28,    29,    34,-32768,-32768,-32768,   157,
-32768,   157,-32768,-32768,   157,-32768,   774,   157,-32768,    -4,
    65,-32768,   -36,   157,   -20,   -36,   157,   157,   157,   157,
    12,    12,   157,    12,   157,   157,   157,   157,   157,   157,
   157,   -20,   157,   304,   774,   -32,   -43,   157,   157,   157,
   157,   157,   157,   157,   157,   -15,   157,   157,   157,   157,
   157,   157,   157,   157,   157,-32768,    50,-32768,-32768,   -20,
    -5,   157,   157,    27,   332,   360,   388,   416,    31,    33,
   444,    63,   472,   500,   528,   248,   276,   724,   750,   -20,
-32768,   157,-32768,   157,   798,   -39,   -39,   -39,   -39,   -39,
   -39,   -39,   157,-32768,    37,    64,    78,   142,    87,    87,
   -20,   -20,   -20,   -20,-32768,   157,   157,-32768,-32768,   556,
   -31,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,   157,
-32768,-32768,-32768,   157,-32768,   157,-32768,   157,   157,   774,
   -20,   774,   -34,   -33,-32768,-32768,   584,   612,   640,   668,
   696,   157,-32768,-32768,-32768,-32768,-32768,-32768,-32768,   774,
   101,   106,-32768
};

static const short yypgoto[] = {-32768,
-32768,     0,-32768,-32768,    32,-32768,-32768,   -91,-32768,-32768,
-32768,-32768,    51
};


#define	YYLAST		860


static const short yytable[] = {    37,
    10,   141,   172,   112,   112,   112,   138,   139,    77,    78,
    45,    79,    80,    81,    82,    83,    84,    85,    92,    86,
    87,    88,    89,    93,   114,    92,    47,    10,    91,    62,
    93,    64,   174,    48,   173,   113,   166,    90,    86,    87,
    88,    89,    49,    64,    50,   164,    95,    96,    97,    98,
    43,   123,   101,    51,   103,   104,   105,   106,   107,   108,
   109,   135,   110,    52,    53,    54,    55,   115,   116,   117,
   118,   119,   120,   121,   122,    56,   126,   127,   128,   129,
   130,   131,   132,   133,   134,    67,    57,    58,    92,    59,
    60,   140,   142,    93,    94,    61,   147,   -74,   148,   150,
   182,    99,   100,    93,   102,   183,     0,   124,     0,     0,
     0,   160,    78,   161,    79,    80,    81,    82,    83,    84,
    85,     0,    86,    87,    88,    89,   125,     0,    79,    80,
    81,    82,    83,    84,    85,   162,    86,    87,    88,    89,
    82,    83,    84,    85,     0,    86,    87,    88,    89,   167,
     0,     0,     0,   168,     0,   169,     0,   170,   171,     1,
     0,     0,     2,     3,     4,     5,     6,     7,     8,     9,
     0,   180,    10,    11,    12,    13,    14,    15,    16,    17,
    18,    19,    20,    21,    22,    23,    24,    25,    26,     0,
    27,    28,    29,    80,    81,    82,    83,    84,    85,     0,
    86,    87,    88,    89,     0,     0,     0,     0,    30,    31,
     0,     0,     0,     0,     0,     0,     0,     0,    32,    33,
    34,     1,     0,    35,     2,     3,     4,     5,     6,     7,
     8,     9,     0,     0,    10,    11,    12,    13,    14,    15,
    16,    17,    18,    19,    20,    21,    22,    23,    24,    25,
    26,     0,    27,    28,    29,     0,     0,     0,     0,     0,
     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
    30,    31,     0,     0,     0,     0,     0,     0,     0,     0,
    44,    33,    34,     0,   154,    35,    68,    69,    70,    71,
    72,    73,    74,    75,    76,    77,    78,     0,    79,    80,
    81,    82,    83,    84,    85,     0,    86,    87,    88,    89,
     0,     0,   156,   155,    68,    69,    70,    71,    72,    73,
    74,    75,    76,    77,    78,     0,    79,    80,    81,    82,
    83,    84,    85,     0,    86,    87,    88,    89,     0,     0,
     0,   157,    68,    69,    70,    71,    72,    73,    74,    75,
    76,    77,    78,     0,    79,    80,    81,    82,    83,    84,
    85,     0,    86,    87,    88,    89,     0,     0,     0,   111,
    68,    69,    70,    71,    72,    73,    74,    75,    76,    77,
    78,     0,    79,    80,    81,    82,    83,    84,    85,     0,
    86,    87,    88,    89,     0,     0,     0,   143,    68,    69,
    70,    71,    72,    73,    74,    75,    76,    77,    78,     0,
    79,    80,    81,    82,    83,    84,    85,     0,    86,    87,
    88,    89,     0,     0,     0,   144,    68,    69,    70,    71,
    72,    73,    74,    75,    76,    77,    78,     0,    79,    80,
    81,    82,    83,    84,    85,     0,    86,    87,    88,    89,
     0,     0,     0,   145,    68,    69,    70,    71,    72,    73,
    74,    75,    76,    77,    78,     0,    79,    80,    81,    82,
    83,    84,    85,     0,    86,    87,    88,    89,     0,     0,
     0,   146,    68,    69,    70,    71,    72,    73,    74,    75,
    76,    77,    78,     0,    79,    80,    81,    82,    83,    84,
    85,     0,    86,    87,    88,    89,     0,     0,     0,   149,
    68,    69,    70,    71,    72,    73,    74,    75,    76,    77,
    78,     0,    79,    80,    81,    82,    83,    84,    85,     0,
    86,    87,    88,    89,     0,     0,     0,   151,    68,    69,
    70,    71,    72,    73,    74,    75,    76,    77,    78,     0,
    79,    80,    81,    82,    83,    84,    85,     0,    86,    87,
    88,    89,     0,     0,     0,   152,    68,    69,    70,    71,
    72,    73,    74,    75,    76,    77,    78,     0,    79,    80,
    81,    82,    83,    84,    85,     0,    86,    87,    88,    89,
     0,     0,     0,   153,    68,    69,    70,    71,    72,    73,
    74,    75,    76,    77,    78,     0,    79,    80,    81,    82,
    83,    84,    85,     0,    86,    87,    88,    89,     0,     0,
     0,   165,    68,    69,    70,    71,    72,    73,    74,    75,
    76,    77,    78,     0,    79,    80,    81,    82,    83,    84,
    85,     0,    86,    87,    88,    89,     0,     0,     0,   175,
    68,    69,    70,    71,    72,    73,    74,    75,    76,    77,
    78,     0,    79,    80,    81,    82,    83,    84,    85,     0,
    86,    87,    88,    89,     0,     0,     0,   176,    68,    69,
    70,    71,    72,    73,    74,    75,    76,    77,    78,     0,
    79,    80,    81,    82,    83,    84,    85,     0,    86,    87,
    88,    89,     0,     0,     0,   177,    68,    69,    70,    71,
    72,    73,    74,    75,    76,    77,    78,     0,    79,    80,
    81,    82,    83,    84,    85,     0,    86,    87,    88,    89,
     0,     0,     0,   178,    68,    69,    70,    71,    72,    73,
    74,    75,    76,    77,    78,     0,    79,    80,    81,    82,
    83,    84,    85,     0,    86,    87,    88,    89,     0,     0,
   158,   179,    68,    69,    70,    71,    72,    73,    74,    75,
    76,    77,    78,     0,    79,    80,    81,    82,    83,    84,
    85,     0,    86,    87,    88,    89,   159,     0,    68,    69,
    70,    71,    72,    73,    74,    75,    76,    77,    78,     0,
    79,    80,    81,    82,    83,    84,    85,     0,    86,    87,
    88,    89,    68,    69,    70,    71,    72,    73,    74,    75,
    76,    77,    78,     0,    79,    80,    81,    82,    83,    84,
    85,     0,    86,    87,    88,    89,-32768,    69,    70,    71,
    72,    73,    74,    75,    76,    77,    78,     0,    79,    80,
    81,    82,    83,    84,    85,     0,    86,    87,    88,    89
};

static const short yycheck[] = {     0,
    16,    93,    37,    37,    37,    37,    12,    13,    48,    49,
    11,    51,    52,    53,    54,    55,    56,    57,    62,    59,
    60,    61,    62,    67,    68,    62,    62,    16,    33,    30,
    67,    32,    66,    62,    69,    68,    68,    38,    59,    60,
    61,    62,    62,    44,    62,   137,    47,    48,    49,    50,
     0,    67,    53,    62,    55,    56,    57,    58,    59,    60,
    61,    12,    63,    62,    62,    62,    62,    68,    69,    70,
    71,    72,    73,    74,    75,    62,    77,    78,    79,    80,
    81,    82,    83,    84,    85,    35,    62,    62,    62,    62,
    62,    92,    66,    67,    44,    62,    66,    33,    66,    37,
     0,    51,    52,    67,    54,     0,    -1,    76,    -1,    -1,
    -1,   112,    49,   114,    51,    52,    53,    54,    55,    56,
    57,    -1,    59,    60,    61,    62,    76,    -1,    51,    52,
    53,    54,    55,    56,    57,   136,    59,    60,    61,    62,
    54,    55,    56,    57,    -1,    59,    60,    61,    62,   150,
    -1,    -1,    -1,   154,    -1,   156,    -1,   158,   159,     3,
    -1,    -1,     6,     7,     8,     9,    10,    11,    12,    13,
    -1,   172,    16,    17,    18,    19,    20,    21,    22,    23,
    24,    25,    26,    27,    28,    29,    30,    31,    32,    -1,
    34,    35,    36,    52,    53,    54,    55,    56,    57,    -1,
    59,    60,    61,    62,    -1,    -1,    -1,    -1,    52,    53,
    -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    62,    63,
    64,     3,    -1,    67,     6,     7,     8,     9,    10,    11,
    12,    13,    -1,    -1,    16,    17,    18,    19,    20,    21,
    22,    23,    24,    25,    26,    27,    28,    29,    30,    31,
    32,    -1,    34,    35,    36,    -1,    -1,    -1,    -1,    -1,
    -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,
    52,    53,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,
    62,    63,    64,    -1,    37,    67,    39,    40,    41,    42,
    43,    44,    45,    46,    47,    48,    49,    -1,    51,    52,
    53,    54,    55,    56,    57,    -1,    59,    60,    61,    62,
    -1,    -1,    37,    66,    39,    40,    41,    42,    43,    44,
    45,    46,    47,    48,    49,    -1,    51,    52,    53,    54,
    55,    56,    57,    -1,    59,    60,    61,    62,    -1,    -1,
    -1,    66,    39,    40,    41,    42,    43,    44,    45,    46,
    47,    48,    49,    -1,    51,    52,    53,    54,    55,    56,
    57,    -1,    59,    60,    61,    62,    -1,    -1,    -1,    66,
    39,    40,    41,    42,    43,    44,    45,    46,    47,    48,
    49,    -1,    51,    52,    53,    54,    55,    56,    57,    -1,
    59,    60,    61,    62,    -1,    -1,    -1,    66,    39,    40,
    41,    42,    43,    44,    45,    46,    47,    48,    49,    -1,
    51,    52,    53,    54,    55,    56,    57,    -1,    59,    60,
    61,    62,    -1,    -1,    -1,    66,    39,    40,    41,    42,
    43,    44,    45,    46,    47,    48,    49,    -1,    51,    52,
    53,    54,    55,    56,    57,    -1,    59,    60,    61,    62,
    -1,    -1,    -1,    66,    39,    40,    41,    42,    43,    44,
    45,    46,    47,    48,    49,    -1,    51,    52,    53,    54,
    55,    56,    57,    -1,    59,    60,    61,    62,    -1,    -1,
    -1,    66,    39,    40,    41,    42,    43,    44,    45,    46,
    47,    48,    49,    -1,    51,    52,    53,    54,    55,    56,
    57,    -1,    59,    60,    61,    62,    -1,    -1,    -1,    66,
    39,    40,    41,    42,    43,    44,    45,    46,    47,    48,
    49,    -1,    51,    52,    53,    54,    55,    56,    57,    -1,
    59,    60,    61,    62,    -1,    -1,    -1,    66,    39,    40,
    41,    42,    43,    44,    45,    46,    47,    48,    49,    -1,
    51,    52,    53,    54,    55,    56,    57,    -1,    59,    60,
    61,    62,    -1,    -1,    -1,    66,    39,    40,    41,    42,
    43,    44,    45,    46,    47,    48,    49,    -1,    51,    52,
    53,    54,    55,    56,    57,    -1,    59,    60,    61,    62,
    -1,    -1,    -1,    66,    39,    40,    41,    42,    43,    44,
    45,    46,    47,    48,    49,    -1,    51,    52,    53,    54,
    55,    56,    57,    -1,    59,    60,    61,    62,    -1,    -1,
    -1,    66,    39,    40,    41,    42,    43,    44,    45,    46,
    47,    48,    49,    -1,    51,    52,    53,    54,    55,    56,
    57,    -1,    59,    60,    61,    62,    -1,    -1,    -1,    66,
    39,    40,    41,    42,    43,    44,    45,    46,    47,    48,
    49,    -1,    51,    52,    53,    54,    55,    56,    57,    -1,
    59,    60,    61,    62,    -1,    -1,    -1,    66,    39,    40,
    41,    42,    43,    44,    45,    46,    47,    48,    49,    -1,
    51,    52,    53,    54,    55,    56,    57,    -1,    59,    60,
    61,    62,    -1,    -1,    -1,    66,    39,    40,    41,    42,
    43,    44,    45,    46,    47,    48,    49,    -1,    51,    52,
    53,    54,    55,    56,    57,    -1,    59,    60,    61,    62,
    -1,    -1,    -1,    66,    39,    40,    41,    42,    43,    44,
    45,    46,    47,    48,    49,    -1,    51,    52,    53,    54,
    55,    56,    57,    -1,    59,    60,    61,    62,    -1,    -1,
    37,    66,    39,    40,    41,    42,    43,    44,    45,    46,
    47,    48,    49,    -1,    51,    52,    53,    54,    55,    56,
    57,    -1,    59,    60,    61,    62,    37,    -1,    39,    40,
    41,    42,    43,    44,    45,    46,    47,    48,    49,    -1,
    51,    52,    53,    54,    55,    56,    57,    -1,    59,    60,
    61,    62,    39,    40,    41,    42,    43,    44,    45,    46,
    47,    48,    49,    -1,    51,    52,    53,    54,    55,    56,
    57,    -1,    59,    60,    61,    62,    39,    40,    41,    42,
    43,    44,    45,    46,    47,    48,    49,    -1,    51,    52,
    53,    54,    55,    56,    57,    -1,    59,    60,    61,    62
};
/* -*-C-*-  Note some compilers choke on comments on `#line' lines.  */
#line 3 "/usr/unsupported/share/bison.simple"

/* Skeleton output parser for bison,
   Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.

   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 2, 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.  */

/* As a special exception, when this file is copied by Bison into a
   Bison output file, you may use that output file without restriction.
   This special exception was added by the Free Software Foundation
   in version 1.24 of Bison.  */

#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 (__TURBOC__)
#else /* not MSDOS, or __TURBOC__ */
#if defined(_AIX)
 #pragma alloca
#else /* not MSDOS, __TURBOC__, or _AIX */
#ifdef __hpux
#ifdef __cplusplus
extern "C" {
void *alloca (unsigned int);
};
#else /* not __cplusplus */
void *alloca ();
#endif /* not __cplusplus */
#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.  */
#define __yy_memcpy(FROM,TO,COUNT)	__builtin_memcpy(TO,FROM,COUNT)
#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
__yy_memcpy (from, to, count)
     char *from;
     char *to;
     int count;
{
  register char *f = from;
  register char *t = to;
  register int i = count;

  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
__yy_memcpy (char *from, char *to, int count)
{
  register char *f = from;
  register char *t = to;
  register int i = count;

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

#endif
#endif

#line 192 "/usr/unsupported/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
#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
#else
#define YYPARSE_PARAM
#define YYPARSE_PARAM_DECL
#endif

int
yyparse(YYPARSE_PARAM)
     YYPARSE_PARAM_DECL
{
  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 xreallocate 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 xreallocate 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));
      __yy_memcpy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp));
      yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
      __yy_memcpy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp));
#ifdef YYLSP_NEEDED
      yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
      __yy_memcpy ((char *)yyls1, (char *)yyls, size * sizeof (*yylsp));
#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 3:
#line 211 "./m2-exp.y"
{ write_exp_elt_opcode(OP_TYPE);
		  write_exp_elt_type(yyvsp[0].tval);
		  write_exp_elt_opcode(OP_TYPE);
		;
    break;}
case 4:
#line 220 "./m2-exp.y"
{ write_exp_elt_opcode (UNOP_IND); ;
    break;}
case 5:
#line 223 "./m2-exp.y"
{ number_sign = -1; ;
    break;}
case 6:
#line 225 "./m2-exp.y"
{ number_sign = 1;
			  write_exp_elt_opcode (UNOP_NEG); ;
    break;}
case 7:
#line 230 "./m2-exp.y"
{ write_exp_elt_opcode(UNOP_PLUS); ;
    break;}
case 8:
#line 234 "./m2-exp.y"
{ write_exp_elt_opcode (UNOP_LOGICAL_NOT); ;
    break;}
case 11:
#line 242 "./m2-exp.y"
{ write_exp_elt_opcode (UNOP_CAP); ;
    break;}
case 12:
#line 246 "./m2-exp.y"
{ write_exp_elt_opcode (UNOP_ORD); ;
    break;}
case 13:
#line 250 "./m2-exp.y"
{ write_exp_elt_opcode (UNOP_ABS); ;
    break;}
case 14:
#line 254 "./m2-exp.y"
{ write_exp_elt_opcode (UNOP_HIGH); ;
    break;}
case 15:
#line 258 "./m2-exp.y"
{ write_exp_elt_opcode (UNOP_MIN);
			  write_exp_elt_type (yyvsp[-1].tval);
			  write_exp_elt_opcode (UNOP_MIN); ;
    break;}
case 16:
#line 264 "./m2-exp.y"
{ write_exp_elt_opcode (UNOP_MAX);
			  write_exp_elt_type (yyvsp[-1].tval);
			  write_exp_elt_opcode (UNOP_MIN); ;
    break;}
case 17:
#line 270 "./m2-exp.y"
{ write_exp_elt_opcode (UNOP_FLOAT); ;
    break;}
case 18:
#line 274 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_VAL);
			  write_exp_elt_type (yyvsp[-3].tval);
			  write_exp_elt_opcode (BINOP_VAL); ;
    break;}
case 19:
#line 280 "./m2-exp.y"
{ write_exp_elt_opcode (UNOP_CHR); ;
    break;}
case 20:
#line 284 "./m2-exp.y"
{ write_exp_elt_opcode (UNOP_ODD); ;
    break;}
case 21:
#line 288 "./m2-exp.y"
{ write_exp_elt_opcode (UNOP_TRUNC); ;
    break;}
case 22:
#line 292 "./m2-exp.y"
{ write_exp_elt_opcode (UNOP_SIZEOF); ;
    break;}
case 23:
#line 297 "./m2-exp.y"
{ write_exp_elt_opcode(UNOP_PREINCREMENT); ;
    break;}
case 24:
#line 301 "./m2-exp.y"
{ write_exp_elt_opcode(BINOP_ASSIGN_MODIFY);
			  write_exp_elt_opcode(BINOP_ADD);
			  write_exp_elt_opcode(BINOP_ASSIGN_MODIFY); ;
    break;}
case 25:
#line 307 "./m2-exp.y"
{ write_exp_elt_opcode(UNOP_PREDECREMENT);;
    break;}
case 26:
#line 311 "./m2-exp.y"
{ write_exp_elt_opcode(BINOP_ASSIGN_MODIFY);
			  write_exp_elt_opcode(BINOP_SUB);
			  write_exp_elt_opcode(BINOP_ASSIGN_MODIFY); ;
    break;}
case 27:
#line 317 "./m2-exp.y"
{ write_exp_elt_opcode (STRUCTOP_STRUCT);
			  write_exp_string (yyvsp[0].sval);
			  write_exp_elt_opcode (STRUCTOP_STRUCT); ;
    break;}
case 29:
#line 326 "./m2-exp.y"
{ error("Sets are not implemented.");;
    break;}
case 30:
#line 330 "./m2-exp.y"
{ error("Sets are not implemented.");;
    break;}
case 31:
#line 334 "./m2-exp.y"
{ error("Sets are not implemented.");;
    break;}
case 32:
#line 337 "./m2-exp.y"
{ error("Sets are not implemented.");;
    break;}
case 33:
#line 339 "./m2-exp.y"
{ error("Sets are not implemented.");;
    break;}
case 34:
#line 348 "./m2-exp.y"
{ start_arglist(); ;
    break;}
case 35:
#line 350 "./m2-exp.y"
{ write_exp_elt_opcode (MULTI_SUBSCRIPT);
			  write_exp_elt_longcst ((LONGEST) end_arglist());
			  write_exp_elt_opcode (MULTI_SUBSCRIPT); ;
    break;}
case 36:
#line 358 "./m2-exp.y"
{ start_arglist (); ;
    break;}
case 37:
#line 360 "./m2-exp.y"
{ write_exp_elt_opcode (OP_FUNCALL);
			  write_exp_elt_longcst ((LONGEST) end_arglist ());
			  write_exp_elt_opcode (OP_FUNCALL); ;
    break;}
case 39:
#line 369 "./m2-exp.y"
{ arglist_len = 1; ;
    break;}
case 40:
#line 373 "./m2-exp.y"
{ arglist_len++; ;
    break;}
case 41:
#line 378 "./m2-exp.y"
{ arglist_len = 1; ;
    break;}
case 42:
#line 383 "./m2-exp.y"
{ arglist_len++; ;
    break;}
case 43:
#line 388 "./m2-exp.y"
{ write_exp_elt_opcode (UNOP_MEMVAL);
			  write_exp_elt_type (yyvsp[-2].tval);
			  write_exp_elt_opcode (UNOP_MEMVAL); ;
    break;}
case 44:
#line 394 "./m2-exp.y"
{ write_exp_elt_opcode (UNOP_CAST);
			  write_exp_elt_type (yyvsp[-3].tval);
			  write_exp_elt_opcode (UNOP_CAST); ;
    break;}
case 45:
#line 400 "./m2-exp.y"
{ ;
    break;}
case 46:
#line 408 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_REPEAT); ;
    break;}
case 47:
#line 412 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_MUL); ;
    break;}
case 48:
#line 416 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_DIV); ;
    break;}
case 49:
#line 420 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_INTDIV); ;
    break;}
case 50:
#line 424 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_REM); ;
    break;}
case 51:
#line 428 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_ADD); ;
    break;}
case 52:
#line 432 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_SUB); ;
    break;}
case 53:
#line 436 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_EQUAL); ;
    break;}
case 54:
#line 440 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_NOTEQUAL); ;
    break;}
case 55:
#line 442 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_NOTEQUAL); ;
    break;}
case 56:
#line 446 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_LEQ); ;
    break;}
case 57:
#line 450 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_GEQ); ;
    break;}
case 58:
#line 454 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_LESS); ;
    break;}
case 59:
#line 458 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_GTR); ;
    break;}
case 60:
#line 462 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_LOGICAL_AND); ;
    break;}
case 61:
#line 466 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_LOGICAL_OR); ;
    break;}
case 62:
#line 470 "./m2-exp.y"
{ write_exp_elt_opcode (BINOP_ASSIGN); ;
    break;}
case 63:
#line 477 "./m2-exp.y"
{ write_exp_elt_opcode (OP_BOOL);
			  write_exp_elt_longcst ((LONGEST) yyvsp[0].ulval);
			  write_exp_elt_opcode (OP_BOOL); ;
    break;}
case 64:
#line 483 "./m2-exp.y"
{ write_exp_elt_opcode (OP_BOOL);
			  write_exp_elt_longcst ((LONGEST) yyvsp[0].ulval);
			  write_exp_elt_opcode (OP_BOOL); ;
    break;}
case 65:
#line 489 "./m2-exp.y"
{ write_exp_elt_opcode (OP_LONG);
			  write_exp_elt_type (builtin_type_m2_int);
			  write_exp_elt_longcst ((LONGEST) yyvsp[0].lval);
			  write_exp_elt_opcode (OP_LONG); ;
    break;}
case 66:
#line 496 "./m2-exp.y"
{
			  write_exp_elt_opcode (OP_LONG);
			  write_exp_elt_type (builtin_type_m2_card);
			  write_exp_elt_longcst ((LONGEST) yyvsp[0].ulval);
			  write_exp_elt_opcode (OP_LONG);
			;
    break;}
case 67:
#line 505 "./m2-exp.y"
{ write_exp_elt_opcode (OP_LONG);
			  write_exp_elt_type (builtin_type_m2_char);
			  write_exp_elt_longcst ((LONGEST) yyvsp[0].ulval);
			  write_exp_elt_opcode (OP_LONG); ;
    break;}
case 68:
#line 513 "./m2-exp.y"
{ write_exp_elt_opcode (OP_DOUBLE);
			  write_exp_elt_type (builtin_type_m2_real);
			  write_exp_elt_dblcst (yyvsp[0].dval);
			  write_exp_elt_opcode (OP_DOUBLE); ;
    break;}
case 70:
#line 524 "./m2-exp.y"
{ write_exp_elt_opcode (OP_LAST);
			  write_exp_elt_longcst ((LONGEST) yyvsp[0].lval);
			  write_exp_elt_opcode (OP_LAST); ;
    break;}
case 71:
#line 530 "./m2-exp.y"
{ write_exp_elt_opcode (OP_REGISTER);
			  write_exp_elt_longcst ((LONGEST) yyvsp[0].lval);
			  write_exp_elt_opcode (OP_REGISTER); ;
    break;}
case 72:
#line 536 "./m2-exp.y"
{ write_exp_elt_opcode (OP_LONG);
			  write_exp_elt_type (builtin_type_int);
			  write_exp_elt_longcst ((LONGEST) TYPE_LENGTH (yyvsp[-1].tval));
			  write_exp_elt_opcode (OP_LONG); ;
    break;}
case 73:
#line 543 "./m2-exp.y"
{ write_exp_elt_opcode (OP_M2_STRING);
			  write_exp_string (yyvsp[0].sval);
			  write_exp_elt_opcode (OP_M2_STRING); ;
    break;}
case 74:
#line 550 "./m2-exp.y"
{ yyval.bval = SYMBOL_BLOCK_VALUE(yyvsp[0].sym); ;
    break;}
case 75:
#line 554 "./m2-exp.y"
{ struct symbol *sym
			    = lookup_symbol (copy_name (yyvsp[0].sval), expression_context_block,
					     VAR_NAMESPACE, 0, NULL);
			  yyval.sym = sym;;
    break;}
case 76:
#line 563 "./m2-exp.y"
{ struct symbol *tem
			    = lookup_symbol (copy_name (yyvsp[0].sval), yyvsp[-2].bval,
					     VAR_NAMESPACE, 0, NULL);
			  if (!tem || SYMBOL_CLASS (tem) != LOC_BLOCK)
			    error ("No function \"%s\" in specified context.",
				   copy_name (yyvsp[0].sval));
			  yyval.sym = tem;
			;
    break;}
case 77:
#line 575 "./m2-exp.y"
{ write_exp_elt_opcode(OP_VAR_VALUE);
			  write_exp_elt_block (NULL);
			  write_exp_elt_sym (yyvsp[0].sym);
			  write_exp_elt_opcode (OP_VAR_VALUE); ;
    break;}
case 78:
#line 583 "./m2-exp.y"
{ write_exp_elt_opcode (OP_INTERNALVAR);
			  write_exp_elt_intern (yyvsp[0].ivar);
			  write_exp_elt_opcode (OP_INTERNALVAR); ;
    break;}
case 79:
#line 590 "./m2-exp.y"
{ struct symbol *sym;
			  sym = lookup_symbol (copy_name (yyvsp[0].sval), yyvsp[-2].bval,
					       VAR_NAMESPACE, 0, NULL);
			  if (sym == 0)
			    error ("No symbol \"%s\" in specified context.",
				   copy_name (yyvsp[0].sval));

			  write_exp_elt_opcode (OP_VAR_VALUE);
			  /* block_found is set by lookup_symbol.  */
			  write_exp_elt_block (block_found);
			  write_exp_elt_sym (sym);
			  write_exp_elt_opcode (OP_VAR_VALUE); ;
    break;}
case 80:
#line 606 "./m2-exp.y"
{ struct symbol *sym;
			  int is_a_field_of_this;

 			  sym = lookup_symbol (copy_name (yyvsp[0].sval),
					       expression_context_block,
					       VAR_NAMESPACE,
					       &is_a_field_of_this,
					       NULL);
			  if (sym)
			    {
			      if (symbol_read_needs_frame (sym))
				{
				  if (innermost_block == 0 ||
				      contained_in (block_found, 
						    innermost_block))
				    innermost_block = block_found;
				}

			      write_exp_elt_opcode (OP_VAR_VALUE);
			      /* We want to use the selected frame, not
				 another more inner frame which happens to
				 be in the same block.  */
			      write_exp_elt_block (NULL);
			      write_exp_elt_sym (sym);
			      write_exp_elt_opcode (OP_VAR_VALUE);
			    }
			  else
			    {
			      struct minimal_symbol *msymbol;
			      register char *arg = copy_name (yyvsp[0].sval);

			      msymbol =
				lookup_minimal_symbol (arg, NULL, NULL);
			      if (msymbol != NULL)
				{
				  write_exp_msymbol
				    (msymbol,
				     lookup_function_type (builtin_type_int),
				     builtin_type_int);
				}
			      else if (!have_full_symbols () && !have_partial_symbols ())
				error ("No symbol table is loaded.  Use the \"symbol-file\" command.");
			      else
				error ("No symbol \"%s\" in current context.",
				       copy_name (yyvsp[0].sval));
			    }
			;
    break;}
case 81:
#line 657 "./m2-exp.y"
{ yyval.tval = lookup_typename (copy_name (yyvsp[0].sval),
						expression_context_block, 0); ;
    break;}
}
   /* the action file gets copied in in place of this dollarsign */
#line 487 "/usr/unsupported/share/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 *) xmalloc(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 662 "./m2-exp.y"


#if 0  /* FIXME! */
int
overflow(a,b)
   long a,b;
{
   return (MAX_OF_TYPE(builtin_type_m2_int) - b) < a;
}

int
uoverflow(a,b)
   unsigned long a,b;
{
   return (MAX_OF_TYPE(builtin_type_m2_card) - b) < a;
}
#endif /* FIXME */

/* Take care of parsing a number (anything that starts with a digit).
   Set yylval and return the token type; update lexptr.
   LEN is the number of characters in it.  */

/*** Needs some error checking for the float case ***/

static int
parse_number (olen)
     int olen;
{
  register char *p = lexptr;
  register LONGEST n = 0;
  register LONGEST prevn = 0;
  register int c,i,ischar=0;
  register int base = input_radix;
  register int len = olen;
  int unsigned_p = number_sign == 1 ? 1 : 0;

  if(p[len-1] == 'H')
  {
     base = 16;
     len--;
  }
  else if(p[len-1] == 'C' || p[len-1] == 'B')
  {
     base = 8;
     ischar = p[len-1] == 'C';
     len--;
  }

  /* Scan the number */
  for (c = 0; c < len; c++)
  {
    if (p[c] == '.' && base == 10)
      {
	/* It's a float since it contains a point.  */
	yylval.dval = atof (p);
	lexptr += len;
	return FLOAT;
      }
    if (p[c] == '.' && base != 10)
       error("Floating point numbers must be base 10.");
    if (base == 10 && (p[c] < '0' || p[c] > '9'))
       error("Invalid digit \'%c\' in number.",p[c]);
 }

  while (len-- > 0)
    {
      c = *p++;
      n *= base;
      if( base == 8 && (c == '8' || c == '9'))
	 error("Invalid digit \'%c\' in octal number.",c);
      if (c >= '0' && c <= '9')
	i = c - '0';
      else
	{
	  if (base == 16 && c >= 'A' && c <= 'F')
	    i = c - 'A' + 10;
	  else
	     return ERROR;
	}
      n+=i;
      if(i >= base)
	 return ERROR;
      if(!unsigned_p && number_sign == 1 && (prevn >= n))
	 unsigned_p=1;		/* Try something unsigned */
      /* Don't do the range check if n==i and i==0, since that special
	 case will give an overflow error. */
      if(RANGE_CHECK && n!=i && i)
      {
	 if((unsigned_p && (unsigned)prevn >= (unsigned)n) ||
	    ((!unsigned_p && number_sign==-1) && -prevn <= -n))
	    range_error("Overflow on numeric constant.");
      }
	 prevn=n;
    }

  lexptr = p;
  if(*p == 'B' || *p == 'C' || *p == 'H')
     lexptr++;			/* Advance past B,C or H */

  if (ischar)
  {
     yylval.ulval = n;
     return CHAR;
  }
  else if ( unsigned_p && number_sign == 1)
  {
     yylval.ulval = n;
     return UINT;
  }
  else if((unsigned_p && (n<0))) {
     range_error("Overflow on numeric constant -- number too large.");
     /* But, this can return if range_check == range_warn.  */
  }
  yylval.lval = n;
  return INT;
}


/* Some tokens */

static struct
{
   char name[2];
   int token;
} tokentab2[] =
{
    { {'<', '>'},    NOTEQUAL 	},
    { {':', '='},    ASSIGN	},
    { {'<', '='},    LEQ	},
    { {'>', '='},    GEQ	},
    { {':', ':'},    COLONCOLON },

};

/* Some specific keywords */

struct keyword {
   char keyw[10];
   int token;
};

static struct keyword keytab[] =
{
    {"OR" ,   OROR	 },
    {"IN",    IN         },/* Note space after IN */
    {"AND",   LOGICAL_AND},
    {"ABS",   ABS	 },
    {"CHR",   CHR	 },
    {"DEC",   DEC	 },
    {"NOT",   NOT	 },
    {"DIV",   DIV    	 },
    {"INC",   INC	 },
    {"MAX",   MAX_FUNC	 },
    {"MIN",   MIN_FUNC	 },
    {"MOD",   MOD	 },
    {"ODD",   ODD	 },
    {"CAP",   CAP	 },
    {"ORD",   ORD	 },
    {"VAL",   VAL	 },
    {"EXCL",  EXCL	 },
    {"HIGH",  HIGH       },
    {"INCL",  INCL	 },
    {"SIZE",  SIZE       },
    {"FLOAT", FLOAT_FUNC },
    {"TRUNC", TRUNC	 },
};


/* Read one token, getting characters through lexptr.  */

/* This is where we will check to make sure that the language and the operators used are
   compatible  */

static int
yylex ()
{
  register int c;
  register int namelen;
  register int i;
  register char *tokstart;
  register char quote;

 retry:

  tokstart = lexptr;


  /* See if it is a special token of length 2 */
  for( i = 0 ; i < sizeof tokentab2 / sizeof tokentab2[0] ; i++)
     if(STREQN(tokentab2[i].name, tokstart, 2))
     {
	lexptr += 2;
	return tokentab2[i].token;
     }

  switch (c = *tokstart)
    {
    case 0:
      return 0;

    case ' ':
    case '\t':
    case '\n':
      lexptr++;
      goto retry;

    case '(':
      paren_depth++;
      lexptr++;
      return c;

    case ')':
      if (paren_depth == 0)
	return 0;
      paren_depth--;
      lexptr++;
      return c;

    case ',':
      if (comma_terminates && paren_depth == 0)
	return 0;
      lexptr++;
      return c;

    case '.':
      /* Might be a floating point number.  */
      if (lexptr[1] >= '0' && lexptr[1] <= '9')
	break;			/* Falls into number code.  */
      else
      {
	 lexptr++;
	 return DOT;
      }

/* These are character tokens that appear as-is in the YACC grammar */
    case '+':
    case '-':
    case '*':
    case '/':
    case '^':
    case '<':
    case '>':
    case '[':
    case ']':
    case '=':
    case '{':
    case '}':
    case '#':
    case '@':
    case '~':
    case '&':
      lexptr++;
      return c;

    case '\'' :
    case '"':
      quote = c;
      for (namelen = 1; (c = tokstart[namelen]) != quote && c != '\0'; namelen++)
	if (c == '\\')
	  {
	    c = tokstart[++namelen];
	    if (c >= '0' && c <= '9')
	      {
		c = tokstart[++namelen];
		if (c >= '0' && c <= '9')
		  c = tokstart[++namelen];
	      }
	  }
      if(c != quote)
	 error("Unterminated string or character constant.");
      yylval.sval.ptr = tokstart + 1;
      yylval.sval.length = namelen - 1;
      lexptr += namelen + 1;

      if(namelen == 2)  	/* Single character */
      {
	   yylval.ulval = tokstart[1];
	   return CHAR;
      }
      else
	 return STRING;
    }

  /* Is it a number?  */
  /* Note:  We have already dealt with the case of the token '.'.
     See case '.' above.  */
  if ((c >= '0' && c <= '9'))
    {
      /* It's a number.  */
      int got_dot = 0, got_e = 0;
      register char *p = tokstart;
      int toktype;

      for (++p ;; ++p)
	{
	  if (!got_e && (*p == 'e' || *p == 'E'))
	    got_dot = got_e = 1;
	  else if (!got_dot && *p == '.')
	    got_dot = 1;
	  else if (got_e && (p[-1] == 'e' || p[-1] == 'E')
		   && (*p == '-' || *p == '+'))
	    /* This is the sign of the exponent, not the end of the
	       number.  */
	    continue;
	  else if ((*p < '0' || *p > '9') &&
		   (*p < 'A' || *p > 'F') &&
		   (*p != 'H'))  /* Modula-2 hexadecimal number */
	    break;
	}
	toktype = parse_number (p - tokstart);
        if (toktype == ERROR)
	  {
	    char *err_copy = (char *) alloca (p - tokstart + 1);

	    memcpy (err_copy, tokstart, p - tokstart);
	    err_copy[p - tokstart] = 0;
	    error ("Invalid number \"%s\".", err_copy);
	  }
	lexptr = p;
	return toktype;
    }

  if (!(c == '_' || c == '$'
	|| (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')))
    /* We must have come across a bad character (e.g. ';').  */
    error ("Invalid character '%c' in expression.", c);

  /* It's a name.  See how long it is.  */
  namelen = 0;
  for (c = tokstart[namelen];
       (c == '_' || c == '$' || (c >= '0' && c <= '9')
	|| (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'));
       c = tokstart[++namelen])
    ;

  /* The token "if" terminates the expression and is NOT
     removed from the input stream.  */
  if (namelen == 2 && tokstart[0] == 'i' && tokstart[1] == 'f')
    {
      return 0;
    }

  lexptr += namelen;

  /* Handle the tokens $digits; also $ (short for $0) and $$ (short for $$1)
     and $$digits (equivalent to $<-digits> if you could type that).
     Make token type LAST, and put the number (the digits) in yylval.  */

  if (*tokstart == '$')
    {
      register int negate = 0;
      c = 1;
      /* Double dollar means negate the number and add -1 as well.
	 Thus $$ alone means -1.  */
      if (namelen >= 2 && tokstart[1] == '$')
	{
	  negate = 1;
	  c = 2;
	}
      if (c == namelen)
	{
	  /* Just dollars (one or two) */
	  yylval.lval = - negate;
	  return LAST;
	}
      /* Is the rest of the token digits?  */
      for (; c < namelen; c++)
	if (!(tokstart[c] >= '0' && tokstart[c] <= '9'))
	  break;
      if (c == namelen)
	{
	  yylval.lval = atoi (tokstart + 1 + negate);
	  if (negate)
	    yylval.lval = - yylval.lval;
	  return LAST;
	}
    }

  /* Handle tokens that refer to machine registers:
     $ followed by a register name.  */

  if (*tokstart == '$') {
    for (c = 0; c < NUM_REGS; c++)
      if (namelen - 1 == strlen (reg_names[c])
	  && STREQN (tokstart + 1, reg_names[c], namelen - 1))
	{
	  yylval.lval = c;
	  return REGNAME;
	}
    for (c = 0; c < num_std_regs; c++)
     if (namelen - 1 == strlen (std_regs[c].name)
	 && STREQN (tokstart + 1, std_regs[c].name, namelen - 1))
       {
	 yylval.lval = std_regs[c].regnum;
	 return REGNAME;
       }
  }


  /*  Lookup special keywords */
  for(i = 0 ; i < sizeof(keytab) / sizeof(keytab[0]) ; i++)
     if(namelen == strlen(keytab[i].keyw) && STREQN(tokstart,keytab[i].keyw,namelen))
	   return keytab[i].token;

  yylval.sval.ptr = tokstart;
  yylval.sval.length = namelen;

  /* Any other names starting in $ are debugger internal variables.  */

  if (*tokstart == '$')
    {
      yylval.ivar = (struct internalvar *) lookup_internalvar (copy_name (yylval.sval) + 1);
      return INTERNAL_VAR;
    }


  /* Use token-type BLOCKNAME for symbols that happen to be defined as
     functions.  If this is not so, then ...
     Use token-type TYPENAME for symbols that happen to be defined
     currently as names of types; NAME for other symbols.
     The caller is not constrained to care about the distinction.  */
 {


    char *tmp = copy_name (yylval.sval);
    struct symbol *sym;

    if (lookup_partial_symtab (tmp))
      return BLOCKNAME;
    sym = lookup_symbol (tmp, expression_context_block,
			 VAR_NAMESPACE, 0, NULL);
    if (sym && SYMBOL_CLASS (sym) == LOC_BLOCK)
      return BLOCKNAME;
    if (lookup_typename (copy_name (yylval.sval), expression_context_block, 1))
      return TYPENAME;

    if(sym)
    {
       switch(sym->aclass)
       {
       case LOC_STATIC:
       case LOC_REGISTER:
       case LOC_ARG:
       case LOC_REF_ARG:
       case LOC_REGPARM:
       case LOC_REGPARM_ADDR:
       case LOC_LOCAL:
       case LOC_LOCAL_ARG:
       case LOC_BASEREG:
       case LOC_BASEREG_ARG:
       case LOC_CONST:
       case LOC_CONST_BYTES:
       case LOC_OPTIMIZED_OUT:
	  return NAME;

       case LOC_TYPEDEF:
	  return TYPENAME;

       case LOC_BLOCK:
	  return BLOCKNAME;

       case LOC_UNDEF:
	  error("internal:  Undefined class in m2lex()");

       case LOC_LABEL:
	  error("internal:  Unforseen case in m2lex()");
       }
    }
    else
    {
       /* Built-in BOOLEAN type.  This is sort of a hack. */
       if(STREQN(tokstart,"TRUE",4))
       {
	  yylval.ulval = 1;
	  return M2_TRUE;
       }
       else if(STREQN(tokstart,"FALSE",5))
       {
	  yylval.ulval = 0;
	  return M2_FALSE;
       }
    }

    /* Must be another type of name... */
    return NAME;
 }
}

#if 0		/* Unused */
static char *
make_qualname(mod,ident)
   char *mod, *ident;
{
   char *new = xmalloc(strlen(mod)+strlen(ident)+2);

   strcpy(new,mod);
   strcat(new,".");
   strcat(new,ident);
   return new;
}
#endif  /* 0 */

void
yyerror (msg)
     char *msg;
{
  error ("A %s in expression, near `%s'.", (msg ? msg : "error"), lexptr);
}
