/* A lexical scanner generated by flex */

/* scanner skeleton version:
 * $Header: /usr/fsys/odin/a/vern/flex/RCS/flex.skel,v 2.16 90/08/03 14:09:36 vern Exp $
 */

#define FLEX_SCANNER

#include <stdio.h>


/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
#ifdef c_plusplus
#ifndef __cplusplus
#define __cplusplus
#endif
#endif


#ifdef __cplusplus

#include <stdlib.h>
#include <osfcn.h>

/* use prototypes in function declarations */
#define YY_USE_PROTOS

/* the "const" storage-class-modifier is valid */
#define YY_USE_CONST

#else	/* ! __cplusplus */

#ifdef __STDC__

#ifdef __GNUC__
#include <stddef.h>
void *malloc( size_t );
void free( void* );
#else
#include <stdlib.h>
#endif	/* __GNUC__ */

#define YY_USE_PROTOS
#define YY_USE_CONST

#endif	/* __STDC__ */
#endif	/* ! __cplusplus */


#ifdef __TURBOC__
#define YY_USE_CONST
#endif


#ifndef YY_USE_CONST
#define const
#endif


#ifdef YY_USE_PROTOS
#define YY_PROTO(proto) proto
#else
#define YY_PROTO(proto) ()
/* we can't get here if it's an ANSI C compiler, or a C++ compiler,
 * so it's got to be a K&R compiler, and therefore there's no standard
 * place from which to include these definitions
 */
# ifndef __hpux
char *malloc();
int free();
int read();
# endif
#endif


/* amount of stuff to slurp up with each read */
#ifndef YY_READ_BUF_SIZE
#define YY_READ_BUF_SIZE 8192
#endif

/* returned upon end-of-file */
#define YY_END_TOK 0

/* copy whatever the last rule matched to the standard output */

/* cast to (char *) is because for 8-bit chars, yytext is (unsigned char *) */
/* this used to be an fputs(), but since the string might contain NUL's,
 * we now use fwrite()
 */
#define ECHO (void) fwrite( (char *) yytext, yyleng, 1, yyout )

/* gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
 * is returned in "result".
 */
#define YY_INPUT(buf,result,max_size) \
	if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \
	    YY_FATAL_ERROR( "read() in flex scanner failed" );
#define YY_NULL 0

/* no semi-colon after return; correct usage is to write "yyterminate();" -
 * we don't want an extra ';' after the "return" because that will cause
 * some compilers to complain about unreachable statements.
 */
#define yyterminate() return ( YY_NULL )

/* report a fatal error */

/* The funky do-while is used to turn this macro definition into
 * a single C statement (which needs a semi-colon terminator).
 * This avoids problems with code like:
 *
 * 	if ( something_happens )
 *		YY_FATAL_ERROR( "oops, the something happened" );
 *	else
 *		everything_okay();
 *
 * Prior to using the do-while the compiler would get upset at the
 * "else" because it interpreted the "if" statement as being all
 * done when it reached the ';' after the YY_FATAL_ERROR() call.
 */

#define YY_FATAL_ERROR(msg) \
	do \
		{ \
		(void) fputs( msg, stderr ); \
		(void) putc( '\n', stderr ); \
		exit( 1 ); \
		} \
	while ( 0 )

/* default yywrap function - always treat EOF as an EOF */
#define yywrap() 1

/* enter a start condition.  This macro really ought to take a parameter,
 * but we do it the disgusting crufty way forced on us by the ()-less
 * definition of BEGIN
 */
#define BEGIN yy_start = 1 + 2 *

/* action number for EOF rule of a given start state */
#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)

/* special action meaning "start processing a new file" */
#define YY_NEW_FILE \
	do \
		{ \
		yy_init_buffer( yy_current_buffer, yyin ); \
		yy_load_buffer_state(); \
		} \
	while ( 0 )

/* default declaration of generated scanner - a define so the user can
 * easily add parameters
 */
#define YY_DECL int yylex YY_PROTO(( void )) 

/* code executed at the end of each rule */
#define YY_BREAK break;

#define YY_END_OF_BUFFER_CHAR 0

#ifndef YY_BUF_SIZE
#define YY_BUF_SIZE (YY_READ_BUF_SIZE * 2) /* size of default input buffer */
#endif

typedef struct yy_buffer_state *YY_BUFFER_STATE;

#define YY_CHAR char
# line 1 "lexer.l"
#define INITIAL 0
# line 2 "lexer.l"
/*
    This file is part of the FElt finite element analysis package.
    Copyright (C) 1993 Jason I. Gobat and Darren C. Atkinson

    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 of the License, 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.
*/

/************************************************************************
 * File:	lexer.l							*
 *									*
 * Description:	This file contains the flex specification for the	*
 *		input file lexical analyzer.				*
 *									*
 * History:	V1.0 by Jason Gobat and Darren C. Atkinson		*
 ************************************************************************/

# include <stdlib.h>
# include <string.h>
# include "generator.h"
# include "error.h"
# include "y.tab.h"


/************************************************************************
 * Function:	 yylex							*
 *									*
 * Parameters:	 none							*
 *									*
 * Return value: next token						*
 *									*
 * Calls:	 none							*
 *									*
 * Called by:	 yyparse						*
 *									*
 * Global data:	 yytext is modified					*
 *									*
 * Description:	 Yylex is the input file lexical analyzer generated	*
 *		 by flex.						*
 ************************************************************************/

# line 67 "lexer.l"

/* done after the current pattern has been matched and before the
 * corresponding action - sets up yytext
 */
#define YY_DO_BEFORE_ACTION \
	yytext = yy_bp; \
	yyleng = yy_cp - yy_bp; \
	yy_hold_char = *yy_cp; \
	*yy_cp = '\0'; \
	yy_c_buf_p = yy_cp;

#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2

/* return all but the first 'n' matched characters back to the input stream */
#define yyless(n) \
	do \
		{ \
		/* undo effects of setting up yytext */ \
		*yy_cp = yy_hold_char; \
		yy_c_buf_p = yy_cp = yy_bp + n; \
		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
		} \
	while ( 0 )

#define unput(c) yyunput( c, yytext )


struct yy_buffer_state
    {
    FILE *yy_input_file;

    YY_CHAR *yy_ch_buf;		/* input buffer */
    YY_CHAR *yy_buf_pos;	/* current position in input buffer */

    /* size of input buffer in bytes, not including room for EOB characters*/
    int yy_buf_size;	

    /* number of characters read into yy_ch_buf, not including EOB characters */
    int yy_n_chars;

    int yy_eof_status;		/* whether we've seen an EOF on this buffer */
#define EOF_NOT_SEEN 0
    /* "pending" happens when the EOF has been seen but there's still
     * some text process
     */
#define EOF_PENDING 1
#define EOF_DONE 2
    };

static YY_BUFFER_STATE yy_current_buffer;

/* we provide macros for accessing buffer states in case in the
 * future we want to put the buffer states in a more general
 * "scanner state"
 */
#define YY_CURRENT_BUFFER yy_current_buffer


/* yy_hold_char holds the character lost when yytext is formed */
static YY_CHAR yy_hold_char;

static int yy_n_chars;		/* number of characters read into yy_ch_buf */



#ifndef YY_USER_ACTION
#define YY_USER_ACTION
#endif

#ifndef YY_USER_INIT
#define YY_USER_INIT
#endif

extern YY_CHAR *yytext;
extern int yyleng;
extern FILE *yyin, *yyout;

YY_CHAR *yytext;
int yyleng;

FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;

#define YY_END_OF_BUFFER 45
typedef int yy_state_type;
static const short int yy_accept[371] =
    {   0,
        0,    0,   45,   39,   41,   43,   42,   42,   42,   39,
       42,   31,   39,   39,   39,   39,   39,   39,   39,   39,
       39,   39,   39,   39,   39,   39,   39,   39,   39,   39,
       37,   41,   42,   37,   30,   37,   37,   37,   37,   37,
       37,   37,   37,   37,   37,   37,   37,   37,   37,   37,
       37,   37,   37,   39,    0,   40,    0,   35,   34,   36,
       33,   31,   39,   39,   39,   39,   39,   39,   39,   39,
       39,   39,   39,   39,   39,   39,   39,   39,   39,   39,
       39,   39,   39,   39,   39,   39,   37,   37,    0,    0,
       30,    0,   38,   34,   33,   30,   37,   37,   37,   37,

       37,   37,   37,   37,   37,   37,   37,   37,   37,   37,
       37,   37,   37,   37,   37,   37,   37,   37,   37,   37,
       39,   33,   39,    0,   32,   39,   39,   28,   39,   20,
       39,   39,   39,   39,   39,   39,   39,   39,   39,   39,
       39,   27,   29,   39,   39,   39,   39,   39,    0,   38,
       37,   33,   37,   32,   37,   37,   28,   37,   20,   37,
       37,   37,   37,   37,   37,   37,   37,   37,   37,   37,
       27,   29,   37,   37,   37,   37,   37,    0,   34,   39,
        0,   33,   32,   39,   39,   39,   39,   39,   39,   39,
       25,   39,   39,   39,    0,   16,    0,   17,   39,   39,

       39,   39,   39,   39,   39,   39,   34,   37,   33,   37,
       37,   37,   37,   37,   37,   37,   25,   37,   37,   37,
       37,   37,   37,   37,   37,   37,   37,   37,   34,    0,
       33,   33,   39,   39,   39,    0,   15,   39,   39,   22,
       39,   39,    0,   10,   21,   39,    0,    0,   39,   39,
       39,   39,   39,   39,   33,   37,   37,   37,   37,   37,
       22,   37,   37,   21,   37,   37,   37,   37,   37,   37,
       37,   33,   39,   39,   39,    0,    9,   39,    0,    2,
        0,    3,    0,   14,    0,    1,   39,    0,    0,    0,
       11,   39,   39,   39,   39,   39,   37,   37,   37,   37,

       37,   37,   37,   37,   37,   37,    0,   12,    0,   13,
       39,   39,    0,    5,    0,    0,   39,   39,   39,   39,
       39,   37,   37,   37,   37,   37,   37,   37,   24,   39,
        0,   19,   39,   39,    0,    6,    0,    7,    0,    8,
       24,   37,   37,   37,   39,    0,   23,   39,   37,   23,
       37,   39,    0,    0,    4,   37,    0,   18,    0,    0,
        0,    0,    0,    0,    0,    0,    0,    0,   26,    0
    } ;

static const YY_CHAR yy_ec[128] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    2,    1,    4,    5,    1,    1,    1,    1,    6,
        6,    7,    8,    6,    8,    9,   10,   11,   11,   11,
       11,   11,   11,   11,   11,   11,   11,    1,    1,    1,
       12,    1,    1,    1,   13,    1,    1,    1,   14,    1,
       15,    1,   16,    1,    1,   17,    1,   18,   19,    1,
        1,   20,    1,    1,    1,    1,    1,    1,    1,    1,
        6,    1,    6,    1,    1,    1,   21,   22,   23,   24,

       25,   26,   27,   28,   29,    1,   30,   31,   32,   33,
       34,   35,    1,   36,   37,   38,   39,    1,    1,   40,
       41,   42,    1,    1,    1,    1,    1
    } ;

static const YY_CHAR yy_meta[43] =
    {   0,
        1,    2,    3,    2,    3,    3,    3,    3,    1,    3,
        1,    3,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1
    } ;

static const short int yy_base[378] =
    {   0,
        0,   42,  602,    0,  603,  603,  597,  597,  603,  588,
      591,   76,  564,  562,  561,  562,  560,  563,   61,  557,
      569,   67,   70,  550,  549,  558,   68,  553,  552,  551,
        0,   96,  579,  571,   94,  548,  546,  545,  546,  544,
      547,   70,  541,  553,   88,   89,  534,  533,  542,   90,
      537,  536,  535,    0,  563,  603,  563,  603,  102,  603,
      109,  119,  104,  538,  525,  526,  533,  537,  524,  526,
      529,  526,  521,  518,  521,  513,  519,  519,  519,  516,
      515,  516,  517,  506,  505,  504,    0,   90,  127,  538,
      135,  537,  603,  111,  129,  136,  124,  513,  500,  501,

      508,  512,  499,  501,  504,  501,  496,  493,  496,  488,
      494,  494,  494,  491,  490,  491,  492,  481,  480,  479,
      140,  138,  145,  506,  505,  104,  482,    0,  481,    0,
      476,  487,  487,  485,  474,  470,  482,  155,  157,  484,
      480,    0,    0,  475,  134,  471,  470,  469,  496,  603,
      154,  157,  162,  488,  137,  465,    0,  464,    0,  459,
      470,  470,  468,  457,  453,  465,  174,  176,  467,  463,
        0,    0,  458,  151,  454,  453,  452,  472,  471,  173,
      470,  469,  468,  443,  443,  452,  187,  437,  438,  436,
      435,  450,  189,  433,  191,  603,  193,  603,  444,  195,

      435,  434,  441,  443,  442,  441,  451,  198,  450,  425,
      425,  434,  208,  419,  420,  418,  417,  432,  210,  415,
      426,  212,  417,  416,  423,  425,  424,  423,  433,  432,
      431,  430,  417,  408,  417,  214,  603,  216,  416,  227,
      229,  231,  233,  603,  235,  400,  246,  248,  250,  408,
      397,  408,  407,  406,  404,  391,  382,  391,  252,  390,
      254,  257,  265,  268,  374,  270,  382,  371,  382,  381,
      380,  393,  272,  283,  367,  285,  603,  364,  287,  603,
      289,  603,  291,  603,  302,  603,  304,  306,  296,  308,
      603,  370,  372,  362,  361,  360,  315,  319,  349,  342,

      326,  347,  339,  325,  320,  318,  330,  603,  332,  603,
      302,  312,  337,  603,  167,  309,  301,  294,  343,  345,
      348,  259,  269,  271,  258,  350,  356,  361,    0,  247,
      288,  603,  241,  239,  363,  603,  367,  603,  369,  603,
        0,  229,  224,  209,  211,  361,    0,  374,  209,    0,
      381,  385,  144,  387,  603,  389,  392,  603,  215,  190,
      202,  187,  192,  173,  166,  173,  153,   88,  603,  603,
      113,  416,  419,   92,  422,  424,  427
    } ;

static const short int yy_def[378] =
    {   0,
      370,  370,  370,  371,  370,  370,  372,  373,  370,  371,
      370,  371,  371,  371,  371,  371,  371,  371,  371,  371,
      371,  371,  371,  371,  371,  371,  371,  371,  371,  371,
      374,  375,  376,  374,  374,  374,  374,  374,  374,  374,
      374,  374,  374,  374,  374,  374,  374,  374,  374,  374,
      374,  374,  374,  371,  372,  370,  373,  370,  371,  370,
      371,  371,  371,  371,  371,  371,  371,  371,  371,  371,
      371,  371,  371,  371,  371,  371,  371,  371,  371,  371,
      371,  371,  371,  371,  371,  371,  374,  375,  375,  377,
      375,  376,  370,  374,  374,  374,  374,  374,  374,  374,

      374,  374,  374,  374,  374,  374,  374,  374,  374,  374,
      374,  374,  374,  374,  374,  374,  374,  374,  374,  374,
      371,  371,  371,  370,  371,  371,  371,  371,  371,  371,
      371,  371,  371,  371,  371,  371,  371,  371,  371,  371,
      371,  371,  371,  371,  371,  371,  371,  371,  377,  370,
      374,  374,  374,  374,  374,  374,  374,  374,  374,  374,
      374,  374,  374,  374,  374,  374,  374,  374,  374,  374,
      374,  374,  374,  374,  374,  374,  374,  370,  371,  371,
      370,  371,  370,  371,  371,  371,  371,  371,  371,  371,
      371,  371,  371,  371,  370,  370,  370,  370,  371,  371,

      371,  371,  371,  371,  371,  371,  374,  374,  374,  374,
      374,  374,  374,  374,  374,  374,  374,  374,  374,  374,
      374,  374,  374,  374,  374,  374,  374,  374,  370,  370,
      371,  370,  371,  371,  371,  370,  370,  371,  371,  371,
      371,  371,  370,  370,  371,  371,  370,  370,  371,  371,
      371,  371,  371,  371,  374,  374,  374,  374,  374,  374,
      374,  374,  374,  374,  374,  374,  374,  374,  374,  374,
      374,  370,  371,  371,  371,  370,  370,  371,  370,  370,
      370,  370,  370,  370,  370,  370,  371,  370,  370,  370,
      370,  371,  371,  371,  371,  371,  374,  374,  374,  374,

      374,  374,  374,  374,  374,  374,  370,  370,  370,  370,
      371,  371,  370,  370,  370,  370,  371,  371,  371,  371,
      371,  374,  374,  374,  374,  374,  374,  374,  371,  371,
      370,  370,  371,  371,  370,  370,  370,  370,  370,  370,
      374,  374,  374,  374,  371,  370,  371,  371,  374,  374,
      374,  371,  370,  370,  370,  374,  370,  370,  370,  370,
      370,  370,  370,  370,  370,  370,  370,  370,  370,    0,
      370,  370,  370,  370,  370,  370,  370
    } ;

static const short int yy_nxt[646] =
    {   0,
        4,    5,    6,    7,    8,    9,    9,    9,   10,   11,
       12,    9,    4,    4,    4,    4,    4,    4,    4,    4,
       13,   14,   15,   16,   17,   18,   19,   20,    4,   21,
       22,   23,   24,    4,    4,   25,   26,   27,    4,   28,
       29,   30,   31,   32,    6,   33,    8,    9,    9,    9,
       34,   11,   35,    9,   31,   31,   31,   31,   31,   31,
       31,   31,   36,   37,   38,   39,   40,   41,   42,   43,
       31,   44,   45,   46,   47,   31,   31,   48,   49,   50,
       31,   51,   52,   53,   61,   70,   62,   74,   81,   63,
       76,  370,   87,  370,  104,   75,   71,   89,   77,   90,

       63,   82,   95,   83,   96,  105,   91,   97,  108,  110,
      115,  124,   59,   54,  125,  121,  109,  111,   97,  122,
      369,   94,  123,  116,  151,  117,  121,   61,   89,   62,
       90,  124,   63,  123,  154,  151,  370,   91,  370,  152,
      184,  185,  153,   63,   95,   91,   96,  178,  122,   97,
      179,  180,  181,  153,  202,  182,  195,  195,  197,  197,
       97,  178,  180,  358,  207,  203,  196,  152,  198,  181,
      208,  224,  209,  210,  211,  195,  195,  197,  197,  358,
      230,  208,  225,  231,  331,  196,  368,  198,  236,  236,
      243,  243,  195,  195,  197,  197,  247,  247,  237,  331,

      244,  367,  196,  366,  198,  230,  248,  365,  255,  236,
      236,  243,  243,  247,  247,  236,  236,  276,  276,  237,
      364,  244,  363,  248,  362,  237,  361,  277,  279,  279,
      281,  281,  283,  283,  243,  243,  285,  285,  280,  360,
      282,  356,  284,  352,  244,  351,  286,  247,  247,  288,
      288,  290,  290,  276,  276,  279,  279,  248,  281,  281,
      350,  291,  349,  277,  289,  280,  283,  283,  282,  285,
      285,  290,  290,  307,  307,  348,  284,  347,  289,  286,
      345,  291,  344,  308,  309,  309,  276,  276,  279,  279,
      281,  281,  283,  283,  310,  343,  277,  342,  280,  341,

      282,  346,  284,  285,  285,  313,  313,  288,  288,  290,
      290,  315,  346,  286,  316,  314,  307,  307,  334,  291,
      309,  309,  289,  332,  315,  333,  308,  313,  313,  316,
      310,  307,  307,  309,  309,  332,  289,  314,  313,  313,
      330,  308,  329,  310,  335,  335,  337,  337,  314,  339,
      339,  335,  335,  328,  336,  327,  338,  337,  337,  340,
      326,  336,  339,  339,  335,  335,  325,  338,  337,  337,
      339,  339,  340,  353,  336,  354,  354,  324,  338,  323,
      340,  353,  354,  354,  322,  355,  357,  357,  354,  354,
      357,  357,  355,  357,  357,  321,  320,  319,  355,  318,

      317,  312,  311,  272,  306,  305,  304,  303,  302,  301,
      300,  299,  298,  297,  255,  359,   55,   55,   55,   57,
       57,   57,   88,   88,   92,   92,   92,  149,  149,  149,
      296,  295,  294,  293,  292,  287,  278,  275,  274,  273,
      232,  231,  272,  229,  271,  270,  269,  268,  267,  266,
      265,  264,  263,  262,  261,  260,  259,  258,  257,  256,
      209,  207,  254,  253,  252,  251,  250,  249,  246,  245,
      242,  241,  240,  239,  238,  235,  234,  233,  183,  182,
      232,  179,  229,  228,  227,  226,  223,  222,  221,  220,
      219,  218,  217,  216,  215,  214,  213,  212,  154,  150,

      206,  205,  204,  201,  200,  199,  194,  193,  192,  191,
      190,  189,  188,  187,  186,  125,  183,  177,  176,  175,
      174,  173,  172,  171,  170,  169,  168,  167,  166,  165,
      164,  163,  162,  161,  160,  159,  158,  157,  156,  155,
       93,  150,  148,  147,  146,  145,  144,  143,  142,  141,
      140,  139,  138,  137,  136,  135,  134,  133,  132,  131,
      130,  129,  128,  127,  126,   58,   56,  120,  119,  118,
      114,  113,  112,  107,  106,  103,  102,  101,  100,   99,
       98,   94,   93,   86,   85,   84,   80,   79,   78,   73,
       72,   69,   68,   67,   66,   65,   64,   60,   59,   58,

       56,  370,    3,  370,  370,  370,  370,  370,  370,  370,
      370,  370,  370,  370,  370,  370,  370,  370,  370,  370,
      370,  370,  370,  370,  370,  370,  370,  370,  370,  370,
      370,  370,  370,  370,  370,  370,  370,  370,  370,  370,
      370,  370,  370,  370,  370
    } ;

static const short int yy_chk[646] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    2,    2,    2,    2,    2,    2,    2,    2,
        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
        2,    2,    2,    2,   12,   19,   12,   22,   27,   12,
       23,   88,  374,   88,   42,   22,   19,   32,   23,   32,

       12,   27,   35,   27,   35,   42,   32,   35,   45,   46,
       50,   63,   59,  371,   63,   59,   45,   46,   35,   61,
      368,   94,   61,   50,   94,   50,   59,   62,   89,   62,
       89,   97,   62,   61,   97,   94,   91,   89,   91,   95,
      126,  126,   95,   62,   96,   91,   96,  121,  122,   96,
      121,  122,  123,   95,  145,  123,  138,  138,  139,  139,
       96,  151,  122,  353,  151,  145,  138,  152,  139,  153,
      152,  174,  153,  155,  155,  167,  167,  168,  168,  353,
      180,  152,  174,  180,  315,  167,  367,  168,  187,  187,
      193,  193,  195,  195,  197,  197,  200,  200,  187,  315,

      193,  366,  195,  365,  197,  208,  200,  364,  208,  213,
      213,  219,  219,  222,  222,  236,  236,  238,  238,  213,
      363,  219,  362,  222,  361,  236,  360,  238,  240,  240,
      241,  241,  242,  242,  243,  243,  245,  245,  240,  359,
      241,  349,  242,  345,  243,  344,  245,  247,  247,  248,
      248,  249,  249,  259,  259,  261,  261,  247,  262,  262,
      343,  249,  342,  259,  248,  261,  263,  263,  262,  264,
      264,  266,  266,  273,  273,  334,  263,  333,  248,  264,
      330,  266,  325,  273,  274,  274,  276,  276,  279,  279,
      281,  281,  283,  283,  274,  324,  276,  323,  279,  322,

      281,  331,  283,  285,  285,  287,  287,  288,  288,  290,
      290,  289,  331,  285,  289,  287,  297,  297,  318,  290,
      298,  298,  288,  316,  289,  317,  297,  301,  301,  289,
      298,  307,  307,  309,  309,  316,  288,  301,  313,  313,
      312,  307,  311,  309,  319,  319,  320,  320,  313,  321,
      321,  326,  326,  306,  319,  305,  320,  327,  327,  321,
      304,  326,  328,  328,  335,  335,  303,  327,  337,  337,
      339,  339,  328,  346,  335,  348,  348,  302,  337,  300,
      339,  346,  351,  351,  299,  348,  352,  352,  354,  354,
      356,  356,  351,  357,  357,  296,  295,  294,  354,  293,

      292,  278,  275,  272,  271,  270,  269,  268,  267,  265,
      260,  258,  257,  256,  255,  357,  372,  372,  372,  373,
      373,  373,  375,  375,  376,  376,  376,  377,  377,  377,
      254,  253,  252,  251,  250,  246,  239,  235,  234,  233,
      232,  231,  230,  229,  228,  227,  226,  225,  224,  223,
      221,  220,  218,  217,  216,  215,  214,  212,  211,  210,
      209,  207,  206,  205,  204,  203,  202,  201,  199,  194,
      192,  191,  190,  189,  188,  186,  185,  184,  183,  182,
      181,  179,  178,  177,  176,  175,  173,  170,  169,  166,
      165,  164,  163,  162,  161,  160,  158,  156,  154,  149,

      148,  147,  146,  144,  141,  140,  137,  136,  135,  134,
      133,  132,  131,  129,  127,  125,  124,  120,  119,  118,
      117,  116,  115,  114,  113,  112,  111,  110,  109,  108,
      107,  106,  105,  104,  103,  102,  101,  100,   99,   98,
       92,   90,   86,   85,   84,   83,   82,   81,   80,   79,
       78,   77,   76,   75,   74,   73,   72,   71,   70,   69,
       68,   67,   66,   65,   64,   57,   55,   53,   52,   51,
       49,   48,   47,   44,   43,   41,   40,   39,   38,   37,
       36,   34,   33,   30,   29,   28,   26,   25,   24,   21,
       20,   18,   17,   16,   15,   14,   13,   11,   10,    8,

        7,    3,  370,  370,  370,  370,  370,  370,  370,  370,
      370,  370,  370,  370,  370,  370,  370,  370,  370,  370,
      370,  370,  370,  370,  370,  370,  370,  370,  370,  370,
      370,  370,  370,  370,  370,  370,  370,  370,  370,  370,
      370,  370,  370,  370,  370
    } ;

static yy_state_type yy_last_accepting_state;
static YY_CHAR *yy_last_accepting_cpos;

/* the intent behind this definition is that it'll catch
 * any uses of REJECT which flex missed
 */
#define REJECT reject_used_but_not_detected
#define yymore() yymore_used_but_not_detected
#define YY_MORE_ADJ 0

/* these variables are all declared out here so that section 3 code can
 * manipulate them
 */
/* points to current character in buffer */
static YY_CHAR *yy_c_buf_p = (YY_CHAR *) 0;
static int yy_init = 1;		/* whether we need to initialize */
static int yy_start = 0;	/* start state number */

/* flag which is used to allow yywrap()'s to do buffer switches
 * instead of setting up a fresh yyin.  A bit of a hack ...
 */
static int yy_did_buffer_switch_on_eof;

static yy_state_type yy_get_previous_state YY_PROTO(( void ));
static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
static int yy_get_next_buffer YY_PROTO(( void ));
static void yyunput YY_PROTO(( YY_CHAR c, YY_CHAR *buf_ptr ));
void yyrestart YY_PROTO(( FILE *input_file ));
void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
void yy_load_buffer_state YY_PROTO(( void ));
YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));

#define yy_new_buffer yy_create_buffer

#ifdef __cplusplus
static int yyinput YY_PROTO(( void ));
#else
static int input YY_PROTO(( void ));
#endif

YY_DECL
    {
    register yy_state_type yy_current_state;
    register YY_CHAR *yy_cp, *yy_bp;
    register int yy_act;




    if ( yy_init )
	{
	YY_USER_INIT;

	if ( ! yy_start )
	    yy_start = 1;	/* first start state */

	if ( ! yyin )
	    yyin = stdin;

	if ( ! yyout )
	    yyout = stdout;

	if ( yy_current_buffer )
	    yy_init_buffer( yy_current_buffer, yyin );
	else
	    yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );

	yy_load_buffer_state();

	yy_init = 0;
	}

    while ( 1 )		/* loops until end-of-file is reached */
	{
	yy_cp = yy_c_buf_p;

	/* support of yytext */
	*yy_cp = yy_hold_char;

	/* yy_bp points to the position in yy_ch_buf of the start of the
	 * current run.
	 */
	yy_bp = yy_cp;

	yy_current_state = yy_start;
	if ( yy_bp[-1] == '\n' )
	    ++yy_current_state;
yy_match:
	do
	    {
	    register YY_CHAR yy_c = yy_ec[*yy_cp];
	    if ( yy_accept[yy_current_state] )
		{
		yy_last_accepting_state = yy_current_state;
		yy_last_accepting_cpos = yy_cp;
		}
	    while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
		{
		yy_current_state = yy_def[yy_current_state];
		if ( yy_current_state >= 371 )
		    yy_c = yy_meta[yy_c];
		}
	    yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
	    ++yy_cp;
	    }
	while ( yy_current_state != 370 );
	yy_cp = yy_last_accepting_cpos;
	yy_current_state = yy_last_accepting_state;

yy_find_action:
	yy_act = yy_accept[yy_current_state];

	YY_DO_BEFORE_ACTION;
	YY_USER_ACTION;

do_action:	/* this label is used only to access EOF actions */


	switch ( yy_act )
	    {
	    case 0: /* must backtrack */
	    /* undo the effects of YY_DO_BEFORE_ACTION */
	    *yy_cp = yy_hold_char;
	    yy_cp = yy_last_accepting_cpos;
	    yy_current_state = yy_last_accepting_state;
	    goto yy_find_action;


/* Assignments */

case 1:
# line 73 "lexer.l"
{return LINES_EQ;}
	YY_BREAK
case 2:
# line 74 "lexer.l"
{return GRIDS_EQ;}
	YY_BREAK
case 3:
# line 75 "lexer.l"
{return HOLES_EQ;}
	YY_BREAK
case 4:
# line 76 "lexer.l"
{return TRIANGLES_EQ;}
	YY_BREAK
case 5:
# line 77 "lexer.l"
{return NUMBER_EQ;}
	YY_BREAK
case 6:
# line 78 "lexer.l"
{return XNUMBER_EQ;}
	YY_BREAK
case 7:
# line 79 "lexer.l"
{return YNUMBER_EQ;}
	YY_BREAK
case 8:
# line 80 "lexer.l"
{return ZNUMBER_EQ;}
	YY_BREAK
case 9:
# line 81 "lexer.l"
{return FIRST_EQ;}
	YY_BREAK
case 10:
# line 82 "lexer.l"
{return LAST_EQ;}
	YY_BREAK
case 11:
# line 83 "lexer.l"
{return TOLIN_EQ;}
	YY_BREAK
case 12:
# line 84 "lexer.l"
{return ANGSPC_EQ;}
	YY_BREAK
case 13:
# line 85 "lexer.l"
{return ANGTOL_EQ;}
	YY_BREAK
case 14:
# line 86 "lexer.l"
{return KAPPA_EQ;}
	YY_BREAK
case 15:
# line 87 "lexer.l"
{return DMIN_EQ;}
	YY_BREAK
case 16:
# line 88 "lexer.l"
{return MAX_EQ;}
	YY_BREAK
case 17:
# line 89 "lexer.l"
{return MIN_EQ;}
	YY_BREAK
case 18:
# line 90 "lexer.l"
{yylval.i = 'i'; return RULE_EQ;}
	YY_BREAK
case 19:
# line 91 "lexer.l"
{yylval.i = 'o'; return RULE_EQ;}
	YY_BREAK

/* Keywords */

case 20:
# line 98 "lexer.l"
{return END;}
	YY_BREAK
case 21:
# line 99 "lexer.l"
{return LINES;}
	YY_BREAK
case 22:
# line 100 "lexer.l"
{return GRIDS;}
	YY_BREAK
case 23:
# line 101 "lexer.l"
{return TRIANGLE;}
	YY_BREAK
case 24:
# line 102 "lexer.l"
{return BOUNDARY;}
	YY_BREAK
case 25:
# line 103 "lexer.l"
{return HOLE;}
	YY_BREAK
case 26:
# line 104 "lexer.l"
{return PROBLEM;}
	YY_BREAK

/* Functions */

case 27:
# line 111 "lexer.l"
{return SIN;}
	YY_BREAK
case 28:
# line 112 "lexer.l"
{return COS;}
	YY_BREAK
case 29:
# line 113 "lexer.l"
{return TAN;}
	YY_BREAK

/* Numbers */

case 30:
# line 119 "lexer.l"
{yylval.i = atoi (yytext); return BOLINTEGER;}
	YY_BREAK
case 31:
# line 120 "lexer.l"
{yylval.i = atoi (yytext); return INTEGER;}
	YY_BREAK
case 32:
# line 121 "lexer.l"
{yylval.d = atof (yytext); return DOUBLE;}
	YY_BREAK
case 33:
# line 122 "lexer.l"
{yylval.d = atof (yytext); return DOUBLE;}
	YY_BREAK
case 34:
# line 123 "lexer.l"
{yylval.d = atof (yytext); return DOUBLE;}
	YY_BREAK

/* Comments or remaining preprocessor lines */

case 35:
*yy_cp = yy_hold_char; /* undo effects of setting up yytext */
yy_c_buf_p = yy_cp -= 1;
YY_DO_BEFORE_ACTION; /* set up yytext again */
# line 130 "lexer.l"
{}
	YY_BREAK
case 36:
# line 131 "lexer.l"
{char c;
			 	 while (1) {
				    while ((c = input ( )) != '*' && c > 0);
				    if (c <= 0 || (c = input ( )) == '/')
					break;
				    unput (c);
				 }}
	YY_BREAK

/* Strings and single characters */

case 37:
# line 144 "lexer.l"
{yylval.s = strdup (yytext); return BOLSTRING;}
	YY_BREAK
case 38:
# line 145 "lexer.l"
{yylval.s = strdup (yytext + 1);
				 yylval.s [yyleng - 2] = 0; return BOLSTRING;}
	YY_BREAK
case 39:
# line 148 "lexer.l"
{yylval.s = strdup (yytext); return STRING;}
	YY_BREAK
case 40:
# line 149 "lexer.l"
{yylval.s = strdup (yytext + 1);
				 yylval.s [yyleng - 2] = 0; return STRING;}
	YY_BREAK
case 41:
# line 152 "lexer.l"
{}
	YY_BREAK
case 42:
# line 153 "lexer.l"
{return *yytext;}
	YY_BREAK
case 43:
# line 154 "lexer.l"
{generator.line ++;}
	YY_BREAK
case 44:
# line 155 "lexer.l"
ECHO;
	YY_BREAK
case YY_STATE_EOF(INITIAL):
    yyterminate();

	    case YY_END_OF_BUFFER:
		{
		/* amount of text matched not including the EOB char */
		int yy_amount_of_matched_text = yy_cp - yytext - 1;

		/* undo the effects of YY_DO_BEFORE_ACTION */
		*yy_cp = yy_hold_char;

		/* note that here we test for yy_c_buf_p "<=" to the position
		 * of the first EOB in the buffer, since yy_c_buf_p will
		 * already have been incremented past the NUL character
		 * (since all states make transitions on EOB to the end-
		 * of-buffer state).  Contrast this with the test in yyinput().
		 */
		if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
		    /* this was really a NUL */
		    {
		    yy_state_type yy_next_state;

		    yy_c_buf_p = yytext + yy_amount_of_matched_text;

		    yy_current_state = yy_get_previous_state();

		    /* okay, we're now positioned to make the
		     * NUL transition.  We couldn't have
		     * yy_get_previous_state() go ahead and do it
		     * for us because it doesn't know how to deal
		     * with the possibility of jamming (and we
		     * don't want to build jamming into it because
		     * then it will run more slowly)
		     */

		    yy_next_state = yy_try_NUL_trans( yy_current_state );

		    yy_bp = yytext + YY_MORE_ADJ;

		    if ( yy_next_state )
			{
			/* consume the NUL */
			yy_cp = ++yy_c_buf_p;
			yy_current_state = yy_next_state;
			goto yy_match;
			}

		    else
			{
			    yy_cp = yy_last_accepting_cpos;
			    yy_current_state = yy_last_accepting_state;
			goto yy_find_action;
			}
		    }

		else switch ( yy_get_next_buffer() )
		    {
		    case EOB_ACT_END_OF_FILE:
			{
			yy_did_buffer_switch_on_eof = 0;

			if ( yywrap() )
			    {
			    /* note: because we've taken care in
			     * yy_get_next_buffer() to have set up yytext,
			     * we can now set up yy_c_buf_p so that if some
			     * total hoser (like flex itself) wants
			     * to call the scanner after we return the
			     * YY_NULL, it'll still work - another YY_NULL
			     * will get returned.
			     */
			    yy_c_buf_p = yytext + YY_MORE_ADJ;

			    yy_act = YY_STATE_EOF((yy_start - 1) / 2);
			    goto do_action;
			    }

			else
			    {
			    if ( ! yy_did_buffer_switch_on_eof )
				YY_NEW_FILE;
			    }
			}
			break;

		    case EOB_ACT_CONTINUE_SCAN:
			yy_c_buf_p = yytext + yy_amount_of_matched_text;

			yy_current_state = yy_get_previous_state();

			yy_cp = yy_c_buf_p;
			yy_bp = yytext + YY_MORE_ADJ;
			goto yy_match;

		    case EOB_ACT_LAST_MATCH:
			yy_c_buf_p =
			    &yy_current_buffer->yy_ch_buf[yy_n_chars];

			yy_current_state = yy_get_previous_state();

			yy_cp = yy_c_buf_p;
			yy_bp = yytext + YY_MORE_ADJ;
			goto yy_find_action;
		    }
		break;
		}

	    default:
#ifdef FLEX_DEBUG
		printf( "action # %d\n", yy_act );
#endif
		YY_FATAL_ERROR(
			"fatal flex scanner internal error--no action found" );
	    }
	}
    }


/* yy_get_next_buffer - try to read in a new buffer
 *
 * synopsis
 *     int yy_get_next_buffer();
 *     
 * returns a code representing an action
 *     EOB_ACT_LAST_MATCH - 
 *     EOB_ACT_CONTINUE_SCAN - continue scanning from current position
 *     EOB_ACT_END_OF_FILE - end of file
 */

static int yy_get_next_buffer()

    {
    register YY_CHAR *dest = yy_current_buffer->yy_ch_buf;
    register YY_CHAR *source = yytext - 1; /* copy prev. char, too */
    register int number_to_move, i;
    int ret_val;

    if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
	YY_FATAL_ERROR(
		"fatal flex scanner internal error--end of buffer missed" );

    /* try to read more data */

    /* first move last chars to start of buffer */
    number_to_move = yy_c_buf_p - yytext;

    for ( i = 0; i < number_to_move; ++i )
	*(dest++) = *(source++);

    if ( yy_current_buffer->yy_eof_status != EOF_NOT_SEEN )
	/* don't do the read, it's not guaranteed to return an EOF,
	 * just force an EOF
	 */
	yy_n_chars = 0;

    else
	{
	int num_to_read = yy_current_buffer->yy_buf_size - number_to_move - 1;

	if ( num_to_read > YY_READ_BUF_SIZE )
	    num_to_read = YY_READ_BUF_SIZE;

	else if ( num_to_read <= 0 )
	    YY_FATAL_ERROR( "fatal error - scanner input buffer overflow" );

	/* read in more data */
	YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
		  yy_n_chars, num_to_read );
	}

    if ( yy_n_chars == 0 )
	{
	if ( number_to_move == 1 )
	    {
	    ret_val = EOB_ACT_END_OF_FILE;
	    yy_current_buffer->yy_eof_status = EOF_DONE;
	    }

	else
	    {
	    ret_val = EOB_ACT_LAST_MATCH;
	    yy_current_buffer->yy_eof_status = EOF_PENDING;
	    }
	}

    else
	ret_val = EOB_ACT_CONTINUE_SCAN;

    yy_n_chars += number_to_move;
    yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
    yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;

    /* yytext begins at the second character in yy_ch_buf; the first
     * character is the one which preceded it before reading in the latest
     * buffer; it needs to be kept around in case it's a newline, so
     * yy_get_previous_state() will have with '^' rules active
     */

    yytext = &yy_current_buffer->yy_ch_buf[1];

    return ( ret_val );
    }


/* yy_get_previous_state - get the state just before the EOB char was reached
 *
 * synopsis
 *     yy_state_type yy_get_previous_state();
 */

static yy_state_type yy_get_previous_state()

    {
    register yy_state_type yy_current_state;
    register YY_CHAR *yy_cp;

    register YY_CHAR *yy_bp = yytext;

    yy_current_state = yy_start;
    if ( yy_bp[-1] == '\n' )
	++yy_current_state;

    for ( yy_cp = yytext + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
	{
	register YY_CHAR yy_c = (*yy_cp ? yy_ec[*yy_cp] : 1);
	if ( yy_accept[yy_current_state] )
	    {
	    yy_last_accepting_state = yy_current_state;
	    yy_last_accepting_cpos = yy_cp;
	    }
	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
	    {
	    yy_current_state = yy_def[yy_current_state];
	    if ( yy_current_state >= 371 )
		yy_c = yy_meta[yy_c];
	    }
	yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
	}

    return ( yy_current_state );
    }


/* yy_try_NUL_trans - try to make a transition on the NUL character
 *
 * synopsis
 *     next_state = yy_try_NUL_trans( current_state );
 */

#ifdef YY_USE_PROTOS
static yy_state_type yy_try_NUL_trans( register yy_state_type yy_current_state )
#else
static yy_state_type yy_try_NUL_trans( yy_current_state )
register yy_state_type yy_current_state;
#endif

    {
    register int yy_is_jam;
    register YY_CHAR *yy_cp = yy_c_buf_p;

    register YY_CHAR yy_c = 1;
    if ( yy_accept[yy_current_state] )
	{
	yy_last_accepting_state = yy_current_state;
	yy_last_accepting_cpos = yy_cp;
	}
    while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
	{
	yy_current_state = yy_def[yy_current_state];
	if ( yy_current_state >= 371 )
	    yy_c = yy_meta[yy_c];
	}
    yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
    yy_is_jam = (yy_current_state == 370);

    return ( yy_is_jam ? 0 : yy_current_state );
    }


#ifdef YY_USE_PROTOS
static void yyunput( YY_CHAR c, register YY_CHAR *yy_bp )
#else
static void yyunput( c, yy_bp )
YY_CHAR c;
register YY_CHAR *yy_bp;
#endif

    {
    register YY_CHAR *yy_cp = yy_c_buf_p;

    /* undo effects of setting up yytext */
    *yy_cp = yy_hold_char;

    if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
	{ /* need to shift things up to make room */
	register int number_to_move = yy_n_chars + 2; /* +2 for EOB chars */
	register YY_CHAR *dest =
	    &yy_current_buffer->yy_ch_buf[yy_current_buffer->yy_buf_size + 2];
	register YY_CHAR *source =
	    &yy_current_buffer->yy_ch_buf[number_to_move];

	while ( source > yy_current_buffer->yy_ch_buf )
	    *--dest = *--source;

	yy_cp += dest - source;
	yy_bp += dest - source;
	yy_n_chars = yy_current_buffer->yy_buf_size;

	if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
	    YY_FATAL_ERROR( "flex scanner push-back overflow" );
	}

    if ( yy_cp > yy_bp && yy_cp[-1] == '\n' )
	yy_cp[-2] = '\n';

    *--yy_cp = c;

    /* note: the formal parameter *must* be called "yy_bp" for this
     *       macro to now work correctly
     */
    YY_DO_BEFORE_ACTION; /* set up yytext again */
    }


#ifdef __cplusplus
static int yyinput()
#else
static int input()
#endif

    {
    int c;
    YY_CHAR *yy_cp = yy_c_buf_p;

    *yy_cp = yy_hold_char;

    if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
	{
	/* yy_c_buf_p now points to the character we want to return.
	 * If this occurs *before* the EOB characters, then it's a
	 * valid NUL; if not, then we've hit the end of the buffer.
	 */
	if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
	    /* this was really a NUL */
	    *yy_c_buf_p = '\0';

	else
	    { /* need more input */
	    yytext = yy_c_buf_p;
	    ++yy_c_buf_p;

	    switch ( yy_get_next_buffer() )
		{
		case EOB_ACT_END_OF_FILE:
		    {
		    if ( yywrap() )
			{
			yy_c_buf_p = yytext + YY_MORE_ADJ;
			return ( EOF );
			}

		    YY_NEW_FILE;

#ifdef __cplusplus
		    return ( yyinput() );
#else
		    return ( input() );
#endif
		    }
		    break;

		case EOB_ACT_CONTINUE_SCAN:
		    yy_c_buf_p = yytext + YY_MORE_ADJ;
		    break;

		case EOB_ACT_LAST_MATCH:
#ifdef __cplusplus
		    YY_FATAL_ERROR( "unexpected last match in yyinput()" );
#else
		    YY_FATAL_ERROR( "unexpected last match in input()" );
#endif
		}
	    }
	}

    c = *yy_c_buf_p;
    yy_hold_char = *++yy_c_buf_p;

    return ( c );
    }


#ifdef YY_USE_PROTOS
void yyrestart( FILE *input_file )
#else
void yyrestart( input_file )
FILE *input_file;
#endif

    {
    yy_init_buffer( yy_current_buffer, input_file );
    yy_load_buffer_state();
    }


#ifdef YY_USE_PROTOS
void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
#else
void yy_switch_to_buffer( new_buffer )
YY_BUFFER_STATE new_buffer;
#endif

    {
    if ( yy_current_buffer == new_buffer )
	return;

    if ( yy_current_buffer )
	{
	/* flush out information for old buffer */
	*yy_c_buf_p = yy_hold_char;
	yy_current_buffer->yy_buf_pos = yy_c_buf_p;
	yy_current_buffer->yy_n_chars = yy_n_chars;
	}

    yy_current_buffer = new_buffer;
    yy_load_buffer_state();

    /* we don't actually know whether we did this switch during
     * EOF (yywrap()) processing, but the only time this flag
     * is looked at is after yywrap() is called, so it's safe
     * to go ahead and always set it.
     */
    yy_did_buffer_switch_on_eof = 1;
    }


#ifdef YY_USE_PROTOS
void yy_load_buffer_state( void )
#else
void yy_load_buffer_state()
#endif

    {
    yy_n_chars = yy_current_buffer->yy_n_chars;
    yytext = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
    yyin = yy_current_buffer->yy_input_file;
    yy_hold_char = *yy_c_buf_p;
    }


#ifdef YY_USE_PROTOS
YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
#else
YY_BUFFER_STATE yy_create_buffer( file, size )
FILE *file;
int size;
#endif

    {
    YY_BUFFER_STATE b;

    b = (YY_BUFFER_STATE) malloc( sizeof( struct yy_buffer_state ) );

    if ( ! b )
	YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );

    b->yy_buf_size = size;

    /* yy_ch_buf has to be 2 characters longer than the size given because
     * we need to put in 2 end-of-buffer characters.
     */
    b->yy_ch_buf = (YY_CHAR *) malloc( (unsigned) (b->yy_buf_size + 2) );

    if ( ! b->yy_ch_buf )
	YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );

    yy_init_buffer( b, file );

    return ( b );
    }


#ifdef YY_USE_PROTOS
void yy_delete_buffer( YY_BUFFER_STATE b )
#else
void yy_delete_buffer( b )
YY_BUFFER_STATE b;
#endif

    {
    if ( b == yy_current_buffer )
	yy_current_buffer = (YY_BUFFER_STATE) 0;

    free( (char *) b->yy_ch_buf );
    free( (char *) b );
    }


#ifdef YY_USE_PROTOS
void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
#else
void yy_init_buffer( b, file )
YY_BUFFER_STATE b;
FILE *file;
#endif

    {
    b->yy_input_file = file;

    /* we put in the '\n' and start reading from [1] so that an
     * initial match-at-newline will be true.
     */

    b->yy_ch_buf[0] = '\n';
    b->yy_n_chars = 1;

    /* we always need two end-of-buffer characters.  The first causes
     * a transition to the end-of-buffer state.  The second causes
     * a jam in that state.
     */
    b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
    b->yy_ch_buf[2] = YY_END_OF_BUFFER_CHAR;

    b->yy_buf_pos = &b->yy_ch_buf[1];

    b->yy_eof_status = EOF_NOT_SEEN;
    }
# line 155 "lexer.l"



/************************************************************************
 * Function:	 yyerror						*
 *									*
 * Parameters:	 msg - error message					*
 *									*
 * Return value: none							*
 *									*
 * Calls:	 none							*
 *									*
 * Called by:	 yyparse						*
 *									*
 * Global data:	 yytext and yychar are used				*
 *		 generator is modified					*
 *									*
 * Description:	 Yyerror is used to write an error message when a	*
 *		 syntax error occurs.					*
 ************************************************************************/

void yyerror (msg)
    char *msg;
{
    extern int yychar;


    if (yychar)
	error ("%s (%s unexpected near line %d)", msg, yytext, generator.line);
    else
	error ("%s (end of input unexpected)", msg);

    generator.numerrors ++;
}


/************************************************************************
 * Function:	 RestartLexer						*
 *									*
 * Parameters:	 fp - pointer to input stream				*
 *									*
 * Return value: none							*
 *									*
 * Calls:	 none							*
 *									*
 * Called by:	 GetProblem						*
 *									*
 * Global data:	 generator is partially initialized			*
 *									*
 * Description:	 RestartLexer restarts the lexical analyzer by		*
 *		 initializing the file pointer.				*
 ************************************************************************/

void RestartLexer (fp)
    FILE *fp;
{
    static int firsttime = 1;

# ifdef FLEX_SCANNER
    if (!firsttime)
	yyrestart (fp);
    else {
	firsttime = 0;
	yyin = fp;
    }
# else
    yyin = fp;
# endif

    generator.numlines = 0;
    generator.numgrids = 0;
    generator.numtrimeshes = 0;
    generator.line = 0;
}
