include.c

#line 2 "include.c"

#line 4 "include.c"

#define  YY_INT_ALIGNED short int

/* A lexical scanner generated by flex */

#define yy_create_buffer inc_create_buffer
#define yy_delete_buffer inc_delete_buffer
#define yy_scan_buffer inc_scan_buffer
#define yy_scan_string inc_scan_string
#define yy_scan_bytes inc_scan_bytes
#define yy_init_buffer inc_init_buffer
#define yy_flush_buffer inc_flush_buffer
#define yy_load_buffer_state inc_load_buffer_state
#define yy_switch_to_buffer inc_switch_to_buffer
#define yypush_buffer_state incpush_buffer_state
#define yypop_buffer_state incpop_buffer_state
#define yyensure_buffer_stack incensure_buffer_stack
#define yy_flex_debug inc_flex_debug
#define yyin incin
#define yyleng incleng
#define yylex inclex
#define yylineno inclineno
#define yyout incout
#define yyrestart increstart
#define yytext inctext
#define yywrap incwrap
#define yyalloc incalloc
#define yyrealloc increalloc
#define yyfree incfree

#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 6
#define YY_FLEX_SUBMINOR_VERSION 4
#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#endif

#ifdef yy_create_buffer
#define inc_create_buffer_ALREADY_DEFINED
#else
#define yy_create_buffer inc_create_buffer
#endif

#ifdef yy_delete_buffer
#define inc_delete_buffer_ALREADY_DEFINED
#else
#define yy_delete_buffer inc_delete_buffer
#endif

#ifdef yy_scan_buffer
#define inc_scan_buffer_ALREADY_DEFINED
#else
#define yy_scan_buffer inc_scan_buffer
#endif

#ifdef yy_scan_string
#define inc_scan_string_ALREADY_DEFINED
#else
#define yy_scan_string inc_scan_string
#endif

#ifdef yy_scan_bytes
#define inc_scan_bytes_ALREADY_DEFINED
#else
#define yy_scan_bytes inc_scan_bytes
#endif

#ifdef yy_init_buffer
#define inc_init_buffer_ALREADY_DEFINED
#else
#define yy_init_buffer inc_init_buffer
#endif

#ifdef yy_flush_buffer
#define inc_flush_buffer_ALREADY_DEFINED
#else
#define yy_flush_buffer inc_flush_buffer
#endif

#ifdef yy_load_buffer_state
#define inc_load_buffer_state_ALREADY_DEFINED
#else
#define yy_load_buffer_state inc_load_buffer_state
#endif

#ifdef yy_switch_to_buffer
#define inc_switch_to_buffer_ALREADY_DEFINED
#else
#define yy_switch_to_buffer inc_switch_to_buffer
#endif

#ifdef yypush_buffer_state
#define incpush_buffer_state_ALREADY_DEFINED
#else
#define yypush_buffer_state incpush_buffer_state
#endif

#ifdef yypop_buffer_state
#define incpop_buffer_state_ALREADY_DEFINED
#else
#define yypop_buffer_state incpop_buffer_state
#endif

#ifdef yyensure_buffer_stack
#define incensure_buffer_stack_ALREADY_DEFINED
#else
#define yyensure_buffer_stack incensure_buffer_stack
#endif

#ifdef yylex
#define inclex_ALREADY_DEFINED
#else
#define yylex inclex
#endif

#ifdef yyrestart
#define increstart_ALREADY_DEFINED
#else
#define yyrestart increstart
#endif

#ifdef yylex_init
#define inclex_init_ALREADY_DEFINED
#else
#define yylex_init inclex_init
#endif

#ifdef yylex_init_extra
#define inclex_init_extra_ALREADY_DEFINED
#else
#define yylex_init_extra inclex_init_extra
#endif

#ifdef yylex_destroy
#define inclex_destroy_ALREADY_DEFINED
#else
#define yylex_destroy inclex_destroy
#endif

#ifdef yyget_debug
#define incget_debug_ALREADY_DEFINED
#else
#define yyget_debug incget_debug
#endif

#ifdef yyset_debug
#define incset_debug_ALREADY_DEFINED
#else
#define yyset_debug incset_debug
#endif

#ifdef yyget_extra
#define incget_extra_ALREADY_DEFINED
#else
#define yyget_extra incget_extra
#endif

#ifdef yyset_extra
#define incset_extra_ALREADY_DEFINED
#else
#define yyset_extra incset_extra
#endif

#ifdef yyget_in
#define incget_in_ALREADY_DEFINED
#else
#define yyget_in incget_in
#endif

#ifdef yyset_in
#define incset_in_ALREADY_DEFINED
#else
#define yyset_in incset_in
#endif

#ifdef yyget_out
#define incget_out_ALREADY_DEFINED
#else
#define yyget_out incget_out
#endif

#ifdef yyset_out
#define incset_out_ALREADY_DEFINED
#else
#define yyset_out incset_out
#endif

#ifdef yyget_leng
#define incget_leng_ALREADY_DEFINED
#else
#define yyget_leng incget_leng
#endif

#ifdef yyget_text
#define incget_text_ALREADY_DEFINED
#else
#define yyget_text incget_text
#endif

#ifdef yyget_lineno
#define incget_lineno_ALREADY_DEFINED
#else
#define yyget_lineno incget_lineno
#endif

#ifdef yyset_lineno
#define incset_lineno_ALREADY_DEFINED
#else
#define yyset_lineno incset_lineno
#endif

#ifdef yywrap
#define incwrap_ALREADY_DEFINED
#else
#define yywrap incwrap
#endif

#ifdef yyalloc
#define incalloc_ALREADY_DEFINED
#else
#define yyalloc incalloc
#endif

#ifdef yyrealloc
#define increalloc_ALREADY_DEFINED
#else
#define yyrealloc increalloc
#endif

#ifdef yyfree
#define incfree_ALREADY_DEFINED
#else
#define yyfree incfree
#endif

#ifdef yytext
#define inctext_ALREADY_DEFINED
#else
#define yytext inctext
#endif

#ifdef yyleng
#define incleng_ALREADY_DEFINED
#else
#define yyleng incleng
#endif

#ifdef yyin
#define incin_ALREADY_DEFINED
#else
#define yyin incin
#endif

#ifdef yyout
#define incout_ALREADY_DEFINED
#else
#define yyout incout
#endif

#ifdef yy_flex_debug
#define inc_flex_debug_ALREADY_DEFINED
#else
#define yy_flex_debug inc_flex_debug
#endif

#ifdef yylineno
#define inclineno_ALREADY_DEFINED
#else
#define yylineno inclineno
#endif

/* First, we deal with  platform-specific or compiler-specific issues. */

/* begin standard C headers. */
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>

/* end standard C headers. */

/* flex integer type definitions */

#ifndef FLEXINT_H
#define FLEXINT_H

/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */

#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L

/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
 * if you want the limit (max/min) macros for int types. 
 */
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS 1
#endif

#include <inttypes.h>
typedef int8_t flex_int8_t;
typedef uint8_t flex_uint8_t;
typedef int16_t flex_int16_t;
typedef uint16_t flex_uint16_t;
typedef int32_t flex_int32_t;
typedef uint32_t flex_uint32_t;
#else
typedef signed char flex_int8_t;
typedef short int flex_int16_t;
typedef int flex_int32_t;
typedef unsigned char flex_uint8_t; 
typedef unsigned short int flex_uint16_t;
typedef unsigned int flex_uint32_t;

/* Limits of integral types. */
#ifndef INT8_MIN
#define INT8_MIN               (-128)
#endif
#ifndef INT16_MIN
#define INT16_MIN              (-32767-1)
#endif
#ifndef INT32_MIN
#define INT32_MIN              (-2147483647-1)
#endif
#ifndef INT8_MAX
#define INT8_MAX               (127)
#endif
#ifndef INT16_MAX
#define INT16_MAX              (32767)
#endif
#ifndef INT32_MAX
#define INT32_MAX              (2147483647)
#endif
#ifndef UINT8_MAX
#define UINT8_MAX              (255U)
#endif
#ifndef UINT16_MAX
#define UINT16_MAX             (65535U)
#endif
#ifndef UINT32_MAX
#define UINT32_MAX             (4294967295U)
#endif

#ifndef SIZE_MAX
#define SIZE_MAX               (~(size_t)0)
#endif

#endif /* ! C99 */

#endif /* ! FLEXINT_H */

/* begin standard C++ headers. */

/* TODO: this is always defined, so inline it */
#define yyconst const

#if defined(__GNUC__) && __GNUC__ >= 3
#define yynoreturn __attribute__((__noreturn__))
#else
#define yynoreturn
#endif

/* Returned upon end-of-file. */
#define YY_NULL 0

/* Promotes a possibly negative, possibly signed char to an
 *   integer in range [0..255] for use as an array index.
 */
#define YY_SC_TO_UI(c) ((YY_CHAR) (c))

/* 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 *
/* Translate the current start state into a value that can be later handed
 * to BEGIN to return to the state.  The YYSTATE alias is for lex
 * compatibility.
 */
#define YY_START (((yy_start) - 1) / 2)
#define YYSTATE YY_START
/* 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 yyrestart( yyin  )
#define YY_END_OF_BUFFER_CHAR 0

/* Size of default input buffer. */
#ifndef YY_BUF_SIZE
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k.
 * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
 * Ditto for the __ia64__ case accordingly.
 */
#define YY_BUF_SIZE 32768
#else
#define YY_BUF_SIZE 16384
#endif /* __ia64__ */
#endif

/* The state buf must be large enough to hold one state per character in the main buffer.
 */
#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))

#ifndef YY_TYPEDEF_YY_BUFFER_STATE
#define YY_TYPEDEF_YY_BUFFER_STATE
typedef struct yy_buffer_state *YY_BUFFER_STATE;
#endif

#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
typedef size_t yy_size_t;
#endif

extern int yyleng;

extern FILE *yyin, *yyout;

#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2
    
    /* Note: We specifically omit the test for yy_rule_can_match_eol because it requires
     *       access to the local variable yy_act. Since yyless() is a macro, it would break
     *       existing scanners that call yyless() from OUTSIDE yylex.
     *       One obvious solution it to make yy_act a global. I tried that, and saw
     *       a 5% performance hit in a non-yylineno scanner, because yy_act is
     *       normally declared as a register variable-- so it is not worth it.
     */
    #define  YY_LESS_LINENO(n) \
            do { \
                int yyl;\
                for ( yyl = n; yyl < yyleng; ++yyl )\
                    if ( yytext[yyl] == '\n' )\
                        --yylineno;\
            }while(0)
    #define YY_LINENO_REWIND_TO(dst) \
            do {\
                const char *p;\
                for ( p = yy_cp-1; p >= (dst); --p)\
                    if ( *p == '\n' )\
                        --yylineno;\
            }while(0)
    
/* Return all but the first "n" matched characters back to the input stream. */
#define yyless(n) \
	do \
		{ \
		/* Undo effects of setting up yytext. */ \
        int yyless_macro_arg = (n); \
        YY_LESS_LINENO(yyless_macro_arg);\
		*yy_cp = (yy_hold_char); \
		YY_RESTORE_YY_MORE_OFFSET \
		(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
		} \
	while ( 0 )
#define unput(c) yyunput( c, (yytext_ptr)  )

#ifndef YY_STRUCT_YY_BUFFER_STATE
#define YY_STRUCT_YY_BUFFER_STATE
struct yy_buffer_state
	{
	FILE *yy_input_file;

	char *yy_ch_buf;		/* input buffer */
	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;

	/* Whether we "own" the buffer - i.e., we know we created it,
	 * and can realloc() it to grow it, and should free() it to
	 * delete it.
	 */
	int yy_is_our_buffer;

	/* Whether this is an "interactive" input source; if so, and
	 * if we're using stdio for input, then we want to use getc()
	 * instead of fread(), to make sure we stop fetching input after
	 * each newline.
	 */
	int yy_is_interactive;

	/* Whether we're considered to be at the beginning of a line.
	 * If so, '^' rules will be active on the next match, otherwise
	 * not.
	 */
	int yy_at_bol;

    int yy_bs_lineno; /**< The line count. */
    int yy_bs_column; /**< The column count. */

	/* Whether to try to fill the input buffer when we reach the
	 * end of it.
	 */
	int yy_fill_buffer;

	int yy_buffer_status;

#define YY_BUFFER_NEW 0
#define YY_BUFFER_NORMAL 1
	/* When an EOF's been seen but there's still some text to process
	 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
	 * shouldn't try reading from the input source any more.  We might
	 * still have a bunch of tokens to match, though, because of
	 * possible backing-up.
	 *
	 * When we actually see the EOF, we change the status to "new"
	 * (via yyrestart()), so that the user can continue scanning by
	 * just pointing yyin at a new input file.
	 */
#define YY_BUFFER_EOF_PENDING 2

	};
#endif /* !YY_STRUCT_YY_BUFFER_STATE */

/* Stack of input buffers. */
static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
static YY_BUFFER_STATE * yy_buffer_stack = NULL; /**< Stack as an array. */

/* 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".
 *
 * Returns the top of the stack, or NULL.
 */
#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
                          ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
                          : NULL)
/* Same as previous macro, but useful when we know that the buffer stack is not
 * NULL or when we need an lvalue. For internal use only.
 */
#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]

/* yy_hold_char holds the character lost when yytext is formed. */
static char yy_hold_char;
static int yy_n_chars;		/* number of characters read into yy_ch_buf */
int yyleng;

/* Points to current character in buffer. */
static char *yy_c_buf_p = NULL;
static int yy_init = 0;		/* 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;

void yyrestart ( FILE *input_file  );
void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer  );
YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size  );
void yy_delete_buffer ( YY_BUFFER_STATE b  );
void yy_flush_buffer ( YY_BUFFER_STATE b  );
void yypush_buffer_state ( YY_BUFFER_STATE new_buffer  );
void yypop_buffer_state ( void );

static void yyensure_buffer_stack ( void );
static void yy_load_buffer_state ( void );
static void yy_init_buffer ( YY_BUFFER_STATE b, FILE *file  );
#define YY_FLUSH_BUFFER yy_flush_buffer( YY_CURRENT_BUFFER )

YY_BUFFER_STATE yy_scan_buffer ( char *base, yy_size_t size  );
YY_BUFFER_STATE yy_scan_string ( const char *yy_str  );
YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len  );

void *yyalloc ( yy_size_t  );
void *yyrealloc ( void *, yy_size_t  );
void yyfree ( void *  );

#define yy_new_buffer yy_create_buffer
#define yy_set_interactive(is_interactive) \
	{ \
	if ( ! YY_CURRENT_BUFFER ){ \
        yyensure_buffer_stack (); \
		YY_CURRENT_BUFFER_LVALUE =    \
            yy_create_buffer( yyin, YY_BUF_SIZE ); \
	} \
	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
	}
#define yy_set_bol(at_bol) \
	{ \
	if ( ! YY_CURRENT_BUFFER ){\
        yyensure_buffer_stack (); \
		YY_CURRENT_BUFFER_LVALUE =    \
            yy_create_buffer( yyin, YY_BUF_SIZE ); \
	} \
	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
	}
#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

/* Begin user sect3 */

#define incwrap() (/*CONSTCOND*/1)
#define YY_SKIP_YYWRAP
typedef flex_uint8_t YY_CHAR;

FILE *yyin = NULL, *yyout = NULL;

typedef int yy_state_type;

extern int yylineno;
int yylineno = 1;

extern char *yytext;
#ifdef yytext_ptr
#undef yytext_ptr
#endif
#define yytext_ptr yytext

static yy_state_type yy_get_previous_state ( void );
static yy_state_type yy_try_NUL_trans ( yy_state_type current_state  );
static int yy_get_next_buffer ( void );
static void yynoreturn yy_fatal_error ( const char* msg  );

/* Done after the current pattern has been matched and before the
 * corresponding action - sets up yytext.
 */
#define YY_DO_BEFORE_ACTION \
	(yytext_ptr) = yy_bp; \
	yyleng = (int) (yy_cp - yy_bp); \
	(yy_hold_char) = *yy_cp; \
	*yy_cp = '\0'; \
	(yy_c_buf_p) = yy_cp;
#define YY_NUM_RULES 20
#define YY_END_OF_BUFFER 21
/* This struct is not used in this scanner,
   but its presence is necessary. */
struct yy_trans_info
	{
	flex_int32_t yy_verify;
	flex_int32_t yy_nxt;
	};
static const flex_int16_t yy_acclist[75] =
    {   0,
       21,   17,   20,   17,   20,   18,   20,   17,   20,   17,
       20,   17,   20,   14,   17,   20,   14,   17,   20,    4,
       17,   20,    5,   17,   20,   17,   20,   17,   20,   14,
       17,   20,   14,   17,   20,   14,   17,   20,   17,   20,
       19,   15,   16,   14,   13,   14,   14,   14,   14,   19,
       19,    3,   16,   14,   14,   14,   11,   14,    2,   14,
       14,    1,    2,   14,   14,   14,   14,   12,   12,    6,
        7,   10,    9,    8
    } ;

static const flex_int16_t yy_accept[150] =
    {   0,
        1,    1,    1,    2,    4,    6,    8,   10,   12,   14,
       17,   20,   23,   26,   28,   30,   33,   36,   39,   41,
       41,   41,   42,   42,   42,   43,   44,   44,   45,   46,
       47,   47,   47,   47,   47,   47,   47,   47,   47,   48,
       49,   49,   50,   50,   51,   52,   52,   52,   53,   54,
       55,   55,   55,   55,   55,   55,   56,   56,   56,   56,
       57,   57,   57,   57,   58,   58,   59,   59,   60,   60,
       60,   60,   60,   60,   61,   61,   61,   62,   62,   64,
       64,   65,   65,   65,   66,   66,   67,   67,   67,   68,
       68,   69,   69,   69,   70,   70,   70,   70,   70,   70,

       70,   70,   70,   70,   70,   70,   70,   70,   70,   70,
       70,   70,   70,   70,   70,   70,   70,   70,   70,   70,
       71,   71,   71,   71,   71,   71,   71,   71,   71,   71,
       71,   71,   71,   71,   71,   71,   71,   71,   72,   72,
       73,   73,   73,   74,   74,   74,   74,   75,   75
    } ;

static const YY_CHAR yy_ec[256] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
        4,    4,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    2,    1,    5,    6,    1,    1,    1,    7,    8,
        1,    9,    1,    1,    1,    1,   10,   11,   12,   13,
       14,   11,   11,   11,   11,   15,   15,    1,   16,    1,
        1,    1,   17,    1,   18,   19,   15,   20,   21,   15,
       22,   23,   24,   25,   25,   26,   27,   28,   29,   30,
       25,   31,   32,   33,   25,   25,   25,   25,   34,   25,
        1,   35,    1,    1,   25,    1,   36,   37,   38,   39,

       40,   41,   25,   25,   42,   25,   25,   43,   44,   45,
       46,   47,   25,   48,   49,   50,   51,   52,   25,   53,
       54,   25,   55,    1,   56,   57,    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,    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,
        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,    1,    1,    1
    } ;

static const YY_CHAR yy_meta[58] =
    {   0,
        1,    2,    3,    4,    5,    6,    7,    1,    8,    1,
        9,    9,    9,    9,   10,    4,    7,   10,   10,   10,
       10,    2,    2,    2,    2,    2,    2,    2,    2,    2,
        2,    2,    2,    2,    7,    9,    9,   10,   10,   10,
        9,    2,    2,    2,   11,    2,    2,   11,    2,   11,
        2,   11,   11,    2,    1,    1,    1
    } ;

static const flex_int16_t yy_base[164] =
    {   0,
        0,   57,  442,  535,  432,  535,    6,    0,    3,   16,
       21,  535,  535,   24,   12,   36,   67,   75,  379,   37,
       63,   44,   82,  428,  535,    0,   99,  102,  535,  106,
       80,   78,  121,   86,  394,  377,  129,   13,  138,  146,
      354,  154,  326,  162,  169,  170,    0,  535,    0,  183,
      186,  341,  343,  204,  212,  215,  189,  224,  255,  194,
      338,  336,  240,  535,   19,  248,  375,  535,  374,   97,
      242,   76,    0,  237,  322,  315,  298,  355,  535,   40,
      301,  316,  310,  306,  140,  309,  344,  300,  317,  113,
      325,  329,  337,  341,  116,  315,  301,  312,  282,   29,

      118,  300,  294,  282,  262,  293,  190,  268,  266,  263,
      225,  253,  251,  131,  215,  206,  191,  166,  206,  535,
      171,  182,  162,  142,  147,  150,  259,  109,  279,  125,
      350,   98,  357,  332,  134,    8,  157,  361,  223,  535,
      369,  269,  535,  372,  276,  286,  535,  535,  386,  397,
      408,  419,  429,  439,  449,  456,  467,  477,  480,  490,
      501,  512,  523
    } ;

static const flex_int16_t yy_def[164] =
    {   0,
      149,  150,  148,  148,  148,  148,  151,  152,  148,  153,
      153,  148,  148,  154,  148,  155,  155,  155,  148,  151,
      151,  148,  156,  148,  148,  157,  148,  153,  148,  153,
      154,  148,  154,  148,  148,  148,  158,  148,  155,  155,
      148,  155,  148,  148,  148,  151,  159,  148,  157,  153,
      158,  148,  148,  158,  158,  155,  160,  151,  151,  153,
      148,  148,  158,  148,  148,  155,  160,  148,  161,  160,
      160,  151,   59,  153,  148,  148,  155,  161,  148,  160,
      153,  148,  148,  155,  160,  153,  148,  148,  155,  160,
      148,  148,  148,  158,  160,  148,  148,  148,  148,  148,

      160,  148,  148,  148,  148,  162,  160,  148,  148,  148,
      148,  162,  163,  160,  148,  148,  148,  148,  163,  148,
      148,  148,  148,  148,  148,  148,  148,  148,  148,  148,
      148,  148,  148,  148,  148,  148,  148,  148,  148,  148,
      148,  148,  148,  148,  148,  148,  148,    0,  148,  148,
      148,  148,  148,  148,  148,  148,  148,  148,  148,  148,
      148,  148,  148
    } ;

static const flex_int16_t yy_nxt[593] =
    {   0,
        4,    5,    6,    4,    7,    4,    8,    4,    4,    9,
       22,   25,   26,   34,   55,    4,    4,   27,   27,   27,
       55,   38,   27,   27,   27,   31,  148,   65,   20,   32,
      100,   29,  148,  106,    4,  148,   29,   37,   27,   27,
       23,   22,   68,  148,   38,   44,   45,   45,   20,   11,
       35,   29,  141,   36,   12,   13,    4,    4,   14,    6,
        4,    7,   15,    8,    4,    4,    9,   22,   37,   27,
       27,   23,    4,    4,   30,   38,   37,   27,   27,   34,
       22,   31,   29,   38,  148,   32,   17,   34,   17,   85,
       29,    4,   46,   46,   46,   46,   40,   23,   40,   68,

       27,   27,   27,   27,   27,   27,   18,   27,   27,   27,
       23,   12,   13,   19,   29,   68,   35,   29,   68,   36,
       68,   29,   51,   41,   35,  148,  148,   36,   42,   38,
       37,   27,   27,   68,   47,  139,  140,   38,   80,   37,
       27,   27,   68,  136,   29,  134,   38,   37,   27,   27,
      132,  101,   50,   29,   38,   37,   27,   27,  142,  143,
       95,   29,   38,   44,   45,   45,   20,  107,   69,   29,
       44,   45,   45,   20,   22,   40,  130,   40,  129,   90,
       58,   58,   58,   58,   27,   27,   27,   51,  148,  148,
      128,   68,   68,  127,   38,   27,   27,   27,   29,  126,

       56,  148,   41,  125,   23,   63,  148,  148,  120,   29,
      124,   64,   65,   55,  148,  148,   37,   27,   27,  148,
      148,  123,   60,   38,  139,  140,   69,  148,   22,  114,
       29,   70,   74,  122,   72,   72,   72,   72,   27,   27,
       27,   63,  148,  148,   68,   71,  121,   64,   65,   37,
       27,   27,   29,  120,   66,  148,   38,  113,   23,   22,
      131,  131,  131,   29,  118,   73,   73,   73,   73,   73,
      142,  143,   73,   73,   73,   73,   81,  146,  147,   69,
      133,  133,  133,  117,   70,  116,   77,  146,  147,   23,
       73,   73,   73,   73,   73,   73,  115,  113,   71,   37,

       27,   27,   27,   27,   27,  111,   38,   37,   27,   27,
       91,   91,   91,   29,   38,  110,   29,  109,   94,   91,
       91,   29,  108,  105,   29,   38,   91,   91,   91,  104,
       92,  103,   29,  138,  138,  138,  102,   84,  100,   93,
       29,   86,   94,   91,   91,   92,   89,   96,   88,   38,
       97,  131,  131,  131,   98,   87,   29,   79,  133,  133,
      133,  135,  138,  138,  138,   83,   82,   99,  137,  137,
      144,  144,  144,  144,  144,  144,   79,   68,   76,   75,
       62,   61,   57,  145,  145,  145,   10,   10,   10,   10,
       10,   10,   10,   10,   10,   10,   10,   16,   16,   16,

       16,   16,   16,   16,   16,   16,   16,   16,   21,   21,
       43,   21,   21,   21,   21,   21,   21,   21,   21,   24,
       24,   53,   24,   24,   24,   24,   24,   24,   24,   24,
       28,   28,   28,   52,   48,   43,   20,   28,   28,   28,
       33,  148,  148,   33,   33,  148,  148,   33,   33,   33,
       39,   39,   39,  148,  148,  148,   39,   39,   39,   39,
       21,  148,   21,  148,   21,  148,   21,   49,   49,  148,
       49,   49,   49,   49,   49,   49,   49,   49,   54,   54,
       54,  148,  148,  148,   54,   54,   54,   54,   59,   59,
       67,   67,   67,   67,   67,   67,   67,   67,   67,   67,

       67,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,  112,  112,  112,  112,  112,  112,  112,  112,
      112,  112,  112,  119,  119,  119,  119,  119,  119,  119,
      119,  119,  119,  119,    3,  148,  148,  148,  148,  148,
      148,  148,  148,  148,  148,  148,  148,  148,  148,  148,
      148,  148,  148,  148,  148,  148,  148,  148,  148,  148,
      148,  148,  148,  148,  148,  148,  148,  148,  148,  148,
      148,  148,  148,  148,  148,  148,  148,  148,  148,  148,
      148,  148,  148,  148,  148,  148,  148,  148,  148,  148,
      148,  148

    } ;

static const flex_int16_t yy_chk[593] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        7,    9,    9,   15,   38,    1,    1,   10,   10,   10,
       65,   38,   11,   11,   11,   14,    0,   65,   14,   14,
      100,   10,    0,  100,    1,    0,   11,   16,   16,   16,
        7,   20,   80,    0,   16,   22,   22,   22,   22,    1,
       15,   16,  136,   15,    1,    1,    1,    2,    2,    2,
        2,    2,    2,    2,    2,    2,    2,   21,   17,   17,
       17,   20,    2,    2,   11,   17,   18,   18,   18,   32,
       72,   31,   17,   18,   31,   31,    2,   34,    2,   80,
       18,    2,   23,   23,   23,   23,   17,   21,   17,   70,

       27,   27,   27,   28,   28,   28,    2,   30,   30,   30,
       72,    2,    2,    2,   27,   90,   32,   28,   95,   32,
      101,   30,   33,   17,   34,   33,   33,   34,   18,   33,
       37,   37,   37,  114,   23,  135,  135,   37,   70,   39,
       39,   39,   85,  132,   37,  130,   39,   40,   40,   40,
      128,   95,   30,   39,   40,   42,   42,   42,  137,  137,
       90,   40,   42,   44,   44,   44,   44,  101,  114,   42,
       45,   45,   45,   45,   46,   40,  126,   40,  125,   85,
       46,   46,   46,   46,   50,   50,   50,   51,   51,   51,
      124,   57,  107,  123,   51,   60,   60,   60,   50,  122,

       42,   51,   40,  121,   46,   54,   54,   54,  119,   60,
      118,   54,   54,   55,   55,   55,   56,   56,   56,   54,
       55,  117,   50,   56,  139,  139,   57,   55,   58,  107,
       56,   57,   60,  116,   58,   58,   58,   58,   74,   74,
       74,   63,   63,   63,   71,   57,  115,   63,   63,   66,
       66,   66,   74,  113,   56,   63,   66,  112,   58,   59,
      127,  127,  127,   66,  111,   59,   59,   59,   59,   59,
      142,  142,   59,   59,   59,   59,   74,  145,  145,   71,
      129,  129,  129,  110,   71,  109,   66,  146,  146,   59,
       59,   59,   59,   59,   59,   59,  108,  106,   71,   77,

       77,   77,   81,   81,   81,  105,   77,   84,   84,   84,
       86,   86,   86,   77,   84,  104,   81,  103,   89,   89,
       89,   84,  102,   99,   86,   89,   91,   91,   91,   98,
       92,   97,   89,  134,  134,  134,   96,   77,   93,   88,
       91,   81,   94,   94,   94,   87,   84,   92,   83,   94,
       92,  131,  131,  131,   92,   82,   94,   78,  133,  133,
      133,  131,  138,  138,  138,   76,   75,   92,  133,  133,
      141,  141,  141,  144,  144,  144,   69,   67,   62,   61,
       53,   52,   43,  144,  144,  144,  149,  149,  149,  149,
      149,  149,  149,  149,  149,  149,  149,  150,  150,  150,

      150,  150,  150,  150,  150,  150,  150,  150,  151,  151,
       41,  151,  151,  151,  151,  151,  151,  151,  151,  152,
      152,   36,  152,  152,  152,  152,  152,  152,  152,  152,
      153,  153,  153,   35,   24,   19,    5,  153,  153,  153,
      154,    3,    0,  154,  154,    0,    0,  154,  154,  154,
      155,  155,  155,    0,    0,    0,  155,  155,  155,  155,
      156,    0,  156,    0,  156,    0,  156,  157,  157,    0,
      157,  157,  157,  157,  157,  157,  157,  157,  158,  158,
      158,    0,    0,    0,  158,  158,  158,  158,  159,  159,
      160,  160,  160,  160,  160,  160,  160,  160,  160,  160,

      160,  161,  161,  161,  161,  161,  161,  161,  161,  161,
      161,  161,  162,  162,  162,  162,  162,  162,  162,  162,
      162,  162,  162,  163,  163,  163,  163,  163,  163,  163,
      163,  163,  163,  163,  148,  148,  148,  148,  148,  148,
      148,  148,  148,  148,  148,  148,  148,  148,  148,  148,
      148,  148,  148,  148,  148,  148,  148,  148,  148,  148,
      148,  148,  148,  148,  148,  148,  148,  148,  148,  148,
      148,  148,  148,  148,  148,  148,  148,  148,  148,  148,
      148,  148,  148,  148,  148,  148,  148,  148,  148,  148,
      148,  148

    } ;

/* Table of booleans, true if rule could match eol. */
static const flex_int32_t yy_rule_can_match_eol[21] =
    {   0,
1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 
    0,     };

extern int yy_flex_debug;
int yy_flex_debug = 0;

static yy_state_type *yy_state_buf=0, *yy_state_ptr=0;
static char *yy_full_match;
static int yy_lp;
#define REJECT \
{ \
*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */ \
yy_cp = (yy_full_match); /* restore poss. backed-over text */ \
++(yy_lp); \
goto find_rule; \
}

#define yymore() yymore_used_but_not_detected
#define YY_MORE_ADJ 0
#define YY_RESTORE_YY_MORE_OFFSET
char *yytext;
#line 1 "include.lex"
#line 4 "include.lex"
  #include <assert.h>
  #include <sys/stat.h>
  #include <sys/types.h>
  #include "ast/allocator.h"
  
  enum { FUNCTION, TYPEDEF };

  typedef struct {
    char * id, * file;
    int line, type;
  } Tag;

  static Tag * tagsa = NULL;
  static int ntags = 0, target = 1, keywords_only = 0, scope = 0, intypedef = 0;
  static int warninclude = 0;
  static FILE * swigfp = NULL;
  static Allocator * alloc = NULL;
  
  static void append_tag (Tag t) {
    ntags++;
    tagsa = realloc (tagsa, ntags*sizeof(Tag));
    tagsa[ntags-1] = t;
    tagsa[ntags-1].id = strdup (t.id);
    tagsa[ntags-1].file = strdup (t.file);
    tagsa[ntags-1].type = t.type;
    char * page = strstr (tagsa[ntags-1].file, ".page");
    if (page) *page = '\0';
  }

  static Tag * lookup_tag (const char * id) {
    int i;
    for (i = 0; i < ntags; i++)
      if (!strcmp(tagsa[i].id, id))
	return &tagsa[i];
    return NULL;
  }

  static FILE * fdepend = NULL, * ftags = NULL, * myout = NULL;
  static char * fname;
  
  static char * paths[100] = { LIBDIR }, grid[80] = "quadtree";
  static int npath = 1, hasgrid = 0, debug = 0;
  static int dimension = 0, bghosts = 0, layers = 0;
  static int incode;    // are we in code (or in a code block)?
  
  static char * strip_path (char * s) {
    char * s1 = s;
    do {
      while (*s1 != '/' && *s1 != '\0') s1++;
      if (*s1 == '\0') return s;
    } while (*(++s1) != '/');
    while (*s1 == '/') s1++;
    return s1;
  }
  
  static char * _stack[100]; int stack = -1;

  static char * push (char * s) {
    assert (stack + 1 < 100);
    char * f = allocate (alloc, strlen (s) + 1);
    strcpy (f, s);
    _stack[++stack] = f;
    return f;    
  }

  static int strcmps (char * s1, char * s2) {
    while (*s1 != '\0' && *s2 != '\0') {
      if (*s1 != *s2)
	return 1;
      if (*s1 == '/') {
	while (*s1 == '/') s1++;
	while (*s2 == '/') s2++;
      }
      else
	s1++, s2++;
    }
    return !(*s1 == '\0' && *s2 == '\0');
  }

  static void push_once (char * s) {
    static char * _processed[100];
    static int processed = 0;
    int i;
    char * s1 = strip_path (s);
    for (i = 0; i < processed; i++)
      if (!strcmps (s1, strip_path (_processed[i])))
	return; // already processed    
    assert (processed < 100);
    _processed[processed++] = push (s);
  }
  
  #define pop()  _stack[stack--];

  static void singleslash (char * path, FILE * fp)
  {
    char * s = path, slash = 0;
    while (*s != '\0') {
      if (*s == '/') {
	if (!slash)
	  fputc (*s, fp);
	slash = 1;
      }
      else {
	slash = 0;
	fputc (*s, fp);
      }
      s++;
    }
  }

  static FILE * openpath (const char * name, const char * mode, char ** path) {
    int i;
    for (i = npath; i >= 0; i--) {
      char * p = allocate (alloc, strlen (paths[i]) + strlen (name) + 3);
      strcpy (p, paths[i]); strcat (p, "//"); strcat (p, name);
      FILE * fp = fopen (p, mode);
      if (fp) {
	if (fdepend) {
	  fputc ('\t', fdepend); singleslash (p, fdepend);
	  fputs (" \\\n", fdepend);
	}
	*path = p;
	return fp;
      }
    }
    return NULL;
  }

#define nonspace(s) { while (strchr(" \t\v\n\f", *s)) s++; }
#define space(s) { while (!strchr(" \t\v\n\f", *s)) s++; }

  static char * shortpath (char * path) {
    char * file = strstr (path, LIBDIR);
    if (file == path)
      return file + strlen(LIBDIR) - strlen("src") - 1; // remove root
    else
      return path;
  }

  static void check_tag (char * text) {
    if (ftags && keywords_only && incode) {
      Tag * t;
      if (target && (t = lookup_tag(text))) {
	switch (t->type) {
	case FUNCTION:
	  if (debug)
	    fprintf (stderr, "%s:%d: function call '%s'\n", 
		     fname, yylineno, text);
	  break;
	case TYPEDEF:
	  if (debug)
	    fprintf (stderr, "%s:%d: typedef reference '%s'\n", 
		     fname, yylineno, text);
	  break;
	}
	fprintf (ftags, "call %s %s %s\n", 
		 t->id, shortpath (t->file), t->id);
      }
    }
  }

  static int yyerror(const char * s);
  static int comment(void);
  static void echo() {
    if (myout) {
      if (incode)
	fputs (yytext, myout);
      else { // only keep newlines
	char * s = yytext;
	while (*s != '\0') {
	  if (*s == '\n')
	    fputc ('\n', myout);
	  s++;
	}
      }
    }
  }

  static void echo_c (int c) {
    if (myout) {
      if (incode)
	fputc (c, myout);
      else if (c == '\n') // only keep newlines
	fputc ('\n', myout);
    }
  }
#line 1116 "include.c"
#line 1117 "include.c"

#define INITIAL 0

#ifndef YY_NO_UNISTD_H
/* Special case for "unistd.h", since it is non-ANSI. We include it way
 * down here because we want the user's section 1 to have been scanned first.
 * The user has a chance to override it with an option.
 */
#include <unistd.h>
#endif

#ifndef YY_EXTRA_TYPE
#define YY_EXTRA_TYPE void *
#endif

static int yy_init_globals ( void );

/* Accessor methods to globals.
   These are made visible to non-reentrant scanners for convenience. */

int yylex_destroy ( void );

int yyget_debug ( void );

void yyset_debug ( int debug_flag  );

YY_EXTRA_TYPE yyget_extra ( void );

void yyset_extra ( YY_EXTRA_TYPE user_defined  );

FILE *yyget_in ( void );

void yyset_in  ( FILE * _in_str  );

FILE *yyget_out ( void );

void yyset_out  ( FILE * _out_str  );

			int yyget_leng ( void );

char *yyget_text ( void );

int yyget_lineno ( void );

void yyset_lineno ( int _line_number  );

/* Macros after this point can all be overridden by user definitions in
 * section 1.
 */

#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int yywrap ( void );
#else
extern int yywrap ( void );
#endif
#endif

#ifndef YY_NO_UNPUT
    
    static void yyunput ( int c, char *buf_ptr  );
    
#endif

#ifndef yytext_ptr
static void yy_flex_strncpy ( char *, const char *, int );
#endif

#ifdef YY_NEED_STRLEN
static int yy_flex_strlen ( const char * );
#endif

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

#endif

/* Amount of stuff to slurp up with each read. */
#ifndef YY_READ_BUF_SIZE
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k */
#define YY_READ_BUF_SIZE 16384
#else
#define YY_READ_BUF_SIZE 8192
#endif /* __ia64__ */
#endif

/* Copy whatever the last rule matched to the standard output. */
#ifndef ECHO
/* This used to be an fputs(), but since the string might contain NUL's,
 * we now use fwrite().
 */
#define ECHO do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0)
#endif

/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
 * is returned in "result".
 */
#ifndef YY_INPUT
#define YY_INPUT(buf,result,max_size) \
	if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
		{ \
		int c = '*'; \
		int n; \
		for ( n = 0; n < max_size && \
			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
			buf[n] = (char) c; \
		if ( c == '\n' ) \
			buf[n++] = (char) c; \
		if ( c == EOF && ferror( yyin ) ) \
			YY_FATAL_ERROR( "input in flex scanner failed" ); \
		result = n; \
		} \
	else \
		{ \
		errno=0; \
		while ( (result = (int) fread(buf, 1, (yy_size_t) max_size, yyin)) == 0 && ferror(yyin)) \
			{ \
			if( errno != EINTR) \
				{ \
				YY_FATAL_ERROR( "input in flex scanner failed" ); \
				break; \
				} \
			errno=0; \
			clearerr(yyin); \
			} \
		}\
\

#endif

/* 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.
 */
#ifndef yyterminate
#define yyterminate() return YY_NULL
#endif

/* Number of entries by which start-condition stack grows. */
#ifndef YY_START_STACK_INCR
#define YY_START_STACK_INCR 25
#endif

/* Report a fatal error. */
#ifndef YY_FATAL_ERROR
#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
#endif

/* end tables serialization structures and prototypes */

/* Default declaration of generated scanner - a define so the user can
 * easily add parameters.
 */
#ifndef YY_DECL
#define YY_DECL_IS_OURS 1

extern int yylex (void);

#define YY_DECL int yylex (void)
#endif /* !YY_DECL */

/* Code executed at the beginning of each rule, after yytext and yyleng
 * have been set up.
 */
#ifndef YY_USER_ACTION
#define YY_USER_ACTION
#endif

/* Code executed at the end of each rule. */
#ifndef YY_BREAK
#define YY_BREAK /*LINTED*/break;
#endif

#define YY_RULE_SETUP \
	if ( yyleng > 0 ) \
		YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \
				(yytext[yyleng - 1] == '\n'); \
	YY_USER_ACTION

/** The main scanner function which does all the work.
 */
YY_DECL
{
	yy_state_type yy_current_state;
	char *yy_cp, *yy_bp;
	int yy_act;
    
	if ( !(yy_init) )
		{
		(yy_init) = 1;

#ifdef YY_USER_INIT
		YY_USER_INIT;
#endif

        /* Create the reject buffer large enough to save one state per allowed character. */
        if ( ! (yy_state_buf) )
            (yy_state_buf) = (yy_state_type *)yyalloc(YY_STATE_BUF_SIZE  );
            if ( ! (yy_state_buf) )
                YY_FATAL_ERROR( "out of dynamic memory in yylex()" );

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

		if ( ! yyin )
			yyin = stdin;

		if ( ! yyout )
			yyout = stdout;

		if ( ! YY_CURRENT_BUFFER ) {
			yyensure_buffer_stack ();
			YY_CURRENT_BUFFER_LVALUE =
				yy_create_buffer( yyin, YY_BUF_SIZE );
		}

		yy_load_buffer_state(  );
		}

	{
#line 200 "include.lex"


#line 1346 "include.c"

	while ( /*CONSTCOND*/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);
		yy_current_state += YY_AT_BOL();

		(yy_state_ptr) = (yy_state_buf);
		*(yy_state_ptr)++ = yy_current_state;

yy_match:
		do
			{
			YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ;
			while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
				{
				yy_current_state = (int) yy_def[yy_current_state];
				if ( yy_current_state >= 149 )
					yy_c = yy_meta[yy_c];
				}
			yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
			*(yy_state_ptr)++ = yy_current_state;
			++yy_cp;
			}
		while ( yy_base[yy_current_state] != 535 );

yy_find_action:
		yy_current_state = *--(yy_state_ptr);
		(yy_lp) = yy_accept[yy_current_state];

find_rule: /* we branch to this label when backing up */

		for ( ; ; ) /* until we find what rule we matched */
			{
			if ( (yy_lp) && (yy_lp) < yy_accept[yy_current_state + 1] )
				{
				yy_act = yy_acclist[(yy_lp)];
					{
					(yy_full_match) = yy_cp;
					break;
					}
				}
			--yy_cp;
			yy_current_state = *--(yy_state_ptr);
			(yy_lp) = yy_accept[yy_current_state];
			}

		YY_DO_BEFORE_ACTION;

		if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] )
			{
			int yyl;
			for ( yyl = 0; yyl < yyleng; ++yyl )
				if ( yytext[yyl] == '\n' )
					
    yylineno++;
;
			}

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

		switch ( yy_act )
	{ /* beginning of action switch */
case 1:
/* rule 1 can match eol */
YY_RULE_SETUP
#line 202 "include.lex"
{
  if (incode) {
    yylineno--;
    return yyerror ("code blocks cannot be nested");
  }
  incode = 1;
  if (myout) fputc ('\n', myout);
}
	YY_BREAK
case 2:
/* rule 2 can match eol */
YY_RULE_SETUP
#line 211 "include.lex"
{
  if (incode) {
    incode = 0;
    if (myout) fputc ('\n', myout);
  }
}
	YY_BREAK
case 3:
YY_RULE_SETUP
#line 218 "include.lex"
{
  echo(); // quoted character
}
	YY_BREAK
case 4:
YY_RULE_SETUP
#line 222 "include.lex"
{
  scope++;
}
	YY_BREAK
case 5:
YY_RULE_SETUP
#line 226 "include.lex"
{
  scope--;
  if (scope < 0) {
    if (warninclude)
      fprintf (stderr, "%s:%d: warning: mismatched '}'\n", fname, yylineno);
    else {
      fprintf (stderr, "%s:%d: error: mismatched '}'\n", fname, yylineno);
      exit (1);
    }
    scope = 0;
  }
}
	YY_BREAK
case 6:
/* rule 6 can match eol */
YY_RULE_SETUP
#line 239 "include.lex"
{
  // include "..."
  if (fdepend && strstr (yytext, "// nodep"))
    return 0;
  echo();
  if (!keywords_only) {
    char * s = strchr(yytext, '"');
    s++;
    char * e = &s[strlen(s) - 1];
    while (*e != '"') {
      *e = '\0'; e--;
    }
    *e = '\0';
    char * path;
    FILE * fp = openpath (s, "r", &path);
    if (fp != NULL) {
      push_once (path);
      if (ftags && target) {
	fputs ("incl ", ftags);
	singleslash (shortpath(path), ftags);
	fprintf (ftags, " %s %d\n", fname, yylineno - 1);
      }
      if (swigfp && target) {
	char * dot = strstr (path, ".h");
	if (dot) {
	  strcpy (dot, ".i");
	  fputs ("%include \"", swigfp);
	  singleslash (path, swigfp);
	  fputs ("\"\n", swigfp);
	}
      }
      fclose (fp);
    }
    else {
      fprintf (stderr, "%s:%d: %s: %s: No such file or directory\n", 
	       fname, yylineno - 1, warninclude ? "warning" : "error", s);
      if (!warninclude)
	return 1;
    }
  }
}
	YY_BREAK
case 7:
/* rule 7 can match eol */
YY_RULE_SETUP
#line 281 "include.lex"
{
    echo();
    hasgrid = 1;
    char * s = fname;
    while (strchr (s, '/')) s = strchr (s, '/') + 1;
    strcpy (grid, s);
    if ((s = strchr (grid, '.'))) *s = '\0';
}
	YY_BREAK
case 8:
/* rule 8 can match eol */
*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */
YY_LINENO_REWIND_TO(yy_cp - 1);
(yy_c_buf_p) = yy_cp -= 1;
YY_DO_BEFORE_ACTION; /* set up yytext again */
YY_RULE_SETUP
#line 290 "include.lex"
{
  char * s = strstr (yytext, "dimension");
  space(s); nonspace(s);
  dimension = atoi(s);
}
	YY_BREAK
case 9:
/* rule 9 can match eol */
*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */
YY_LINENO_REWIND_TO(yy_cp - 1);
(yy_c_buf_p) = yy_cp -= 1;
YY_DO_BEFORE_ACTION; /* set up yytext again */
YY_RULE_SETUP
#line 296 "include.lex"
{
  char * s = strstr (yytext, "BGHOSTS");
  space(s); nonspace(s);
  bghosts = atoi(s);
}
	YY_BREAK
case 10:
/* rule 10 can match eol */
*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */
YY_LINENO_REWIND_TO(yy_cp - 1);
(yy_c_buf_p) = yy_cp -= 1;
YY_DO_BEFORE_ACTION; /* set up yytext again */
YY_RULE_SETUP
#line 302 "include.lex"
{
  layers = 1;
}
	YY_BREAK
case 11:
YY_RULE_SETUP
#line 306 "include.lex"
{
  // function definition
  echo();
  if (ftags && scope == 0) {
    //    fprintf (stderr, "'%s'\n", yytext);
    char * s = yytext; int nl = 0;
    int fstatic = 0;
    s = strtok (s, " \t\v\n\f(");
    char * id = s;
    while (s) {
#if 0 // ignore static functions
      if (!strcmp (s, "static"))
	fstatic = 1;
#endif
      id = s;
      s = strtok (NULL, " \t\v\n\f(");
      if (s)
	check_tag (id);
    }
    s = strdup (id);
    if (!fstatic && !keywords_only && strcmp(s, "if")) {
      //      fprintf (stderr, "id: '%s'\n", s);
      Tag t = { s, fname, yylineno - nl, FUNCTION};
      int p = 0, para = 1, c;
      while (para > p && (c = input())) {
	echo_c (c);
	if (c == '(') para++;
	else if (c == ')') para--;
      }
      if (c == ')') {
	while ((c = input())) {
	  echo_c (c);
	  if (c == '{' || c == ';')
	    break;
	  if (!strchr(" \t\v\n\f", c))
	    break;
	}
	if (c == '{') {
	  scope++;
	  append_tag (t);
	  if (debug)
	    fprintf (stderr, "%s:%d: function declaration '%s'\n", 
		     tagsa[ntags-1].file, tagsa[ntags-1].line, 
		     tagsa[ntags-1].id);
	  if (target)
	    fprintf (ftags, "decl %s %s %d\n", 
		     tagsa[ntags-1].id, tagsa[ntags-1].file, 
		     tagsa[ntags-1].line);  
	}
      }
    }
    free (s);
  }
}
	YY_BREAK
case 12:
/* rule 12 can match eol */
YY_RULE_SETUP
#line 361 "include.lex"
{
  echo();
  if (ftags && !keywords_only)
    intypedef = scope + 1;
}
	YY_BREAK
case 13:
/* rule 13 can match eol */
YY_RULE_SETUP
#line 367 "include.lex"
{
  if (intypedef && scope == intypedef - 1) {
    echo();
    char * s = yytext; space(s); *s-- = '\0';
    if (*s == ';')
      *s = '\0';
    Tag t = { yytext, fname, yylineno, TYPEDEF};
    append_tag (t);
    if (debug)
      fprintf (stderr, "%s:%d: typedef '%s'\n", 
	       tagsa[ntags-1].file, tagsa[ntags-1].line, tagsa[ntags-1].id);
    if (target)
      fprintf (ftags, "decl %s %s %d\n", 
	       tagsa[ntags-1].id, tagsa[ntags-1].file, tagsa[ntags-1].line);
    intypedef = 0;
  }
  else
    REJECT;  
}
	YY_BREAK
case 14:
YY_RULE_SETUP
#line 387 "include.lex"
{
  // keyword in target
  echo();
  check_tag (yytext);
}
	YY_BREAK
case 15:
YY_RULE_SETUP
#line 393 "include.lex"
{ echo(); if (incode && comment()) return 1; }
	YY_BREAK
case 16:
YY_RULE_SETUP
#line 394 "include.lex"
{
  if (!incode)
    REJECT;
  /* consume //-comment */
  echo();
}
	YY_BREAK
case 17:
YY_RULE_SETUP
#line 400 "include.lex"
echo();
	YY_BREAK
case 18:
/* rule 18 can match eol */
YY_RULE_SETUP
#line 401 "include.lex"
echo();
	YY_BREAK
case 19:
/* rule 19 can match eol */
YY_RULE_SETUP
#line 402 "include.lex"
echo(); /* STRING_LITERAL */
	YY_BREAK
case 20:
YY_RULE_SETUP
#line 404 "include.lex"
ECHO;
	YY_BREAK
#line 1710 "include.c"
			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 = (int) (yy_cp - (yytext_ptr)) - 1;

		/* Undo the effects of YY_DO_BEFORE_ACTION. */
		*yy_cp = (yy_hold_char);
		YY_RESTORE_YY_MORE_OFFSET

		if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
			{
			/* We're scanning a new file or input source.  It's
			 * possible that this happened because the user
			 * just pointed yyin at a new source and called
			 * yylex().  If so, then we have to assure
			 * consistency between YY_CURRENT_BUFFER and our
			 * globals.  Here is the right place to do so, because
			 * this is the first action (other than possibly a
			 * back-up) that will match for the new input source.
			 */
			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
			YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
			}

		/* 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 input().
		 */
		if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
			{ /* This was really a NUL. */
			yy_state_type yy_next_state;

			(yy_c_buf_p) = (yytext_ptr) + 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_ptr) + 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_c_buf_p);
				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_ptr) + YY_MORE_ADJ;

					yy_act = YY_STATE_EOF(YY_START);
					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_ptr) + yy_amount_of_matched_text;

				yy_current_state = yy_get_previous_state(  );

				yy_cp = (yy_c_buf_p);
				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
				goto yy_match;

			case EOB_ACT_LAST_MATCH:
				(yy_c_buf_p) =
				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];

				yy_current_state = yy_get_previous_state(  );

				yy_cp = (yy_c_buf_p);
				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
				goto yy_find_action;
			}
		break;
		}

	default:
		YY_FATAL_ERROR(
			"fatal flex scanner internal error--no action found" );
	} /* end of action switch */
		} /* end of scanning one token */
	} /* end of user's declarations */
} /* end of yylex */

/* yy_get_next_buffer - try to read in a new 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 (void)
{
    	char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
	char *source = (yytext_ptr);
	int number_to_move, i;
	int ret_val;

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

	if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
		{ /* Don't try to fill the buffer, so this is an EOF. */
		if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
			{
			/* We matched a single character, the EOB, so
			 * treat this as a final EOF.
			 */
			return EOB_ACT_END_OF_FILE;
			}

		else
			{
			/* We matched some text prior to the EOB, first
			 * process it.
			 */
			return EOB_ACT_LAST_MATCH;
			}
		}

	/* Try to read more data. */

	/* First move last chars to start of buffer. */
	number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr) - 1);

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

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

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

		while ( num_to_read <= 0 )
			{ /* Not enough room in the buffer - grow it. */

			YY_FATAL_ERROR(
"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );

			}

		if ( num_to_read > YY_READ_BUF_SIZE )
			num_to_read = YY_READ_BUF_SIZE;

		/* Read in more data. */
		YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
			(yy_n_chars), num_to_read );

		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
		}

	if ( (yy_n_chars) == 0 )
		{
		if ( number_to_move == YY_MORE_ADJ )
			{
			ret_val = EOB_ACT_END_OF_FILE;
			yyrestart( yyin  );
			}

		else
			{
			ret_val = EOB_ACT_LAST_MATCH;
			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
				YY_BUFFER_EOF_PENDING;
			}
		}

	else
		ret_val = EOB_ACT_CONTINUE_SCAN;

	if (((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
		/* Extend the array by 50%, plus the number we really need. */
		int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
		YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc(
			(void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, (yy_size_t) new_size  );
		if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
			YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
		/* "- 2" to take care of EOB's */
		YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2);
	}

	(yy_n_chars) += number_to_move;
	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;

	(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];

	return ret_val;
}

/* yy_get_previous_state - get the state just before the EOB char was reached */

    static yy_state_type yy_get_previous_state (void)
{
	yy_state_type yy_current_state;
	char *yy_cp;
    
	yy_current_state = (yy_start);
	yy_current_state += YY_AT_BOL();

	(yy_state_ptr) = (yy_state_buf);
	*(yy_state_ptr)++ = yy_current_state;

	for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
		{
		YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
		while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
			{
			yy_current_state = (int) yy_def[yy_current_state];
			if ( yy_current_state >= 149 )
				yy_c = yy_meta[yy_c];
			}
		yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
		*(yy_state_ptr)++ = yy_current_state;
		}

	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 );
 */
    static yy_state_type yy_try_NUL_trans  (yy_state_type yy_current_state )
{
	int yy_is_jam;
    
	YY_CHAR yy_c = 1;
	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
		{
		yy_current_state = (int) yy_def[yy_current_state];
		if ( yy_current_state >= 149 )
			yy_c = yy_meta[yy_c];
		}
	yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
	yy_is_jam = (yy_current_state == 148);
	if ( ! yy_is_jam )
		*(yy_state_ptr)++ = yy_current_state;

		return yy_is_jam ? 0 : yy_current_state;
}

#ifndef YY_NO_UNPUT

    static void yyunput (int c, char * yy_bp )
{
	char *yy_cp;
    
    yy_cp = (yy_c_buf_p);

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

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

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

		yy_cp += (int) (dest - source);
		yy_bp += (int) (dest - source);
		YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
			(yy_n_chars) = (int) YY_CURRENT_BUFFER_LVALUE->yy_buf_size;

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

	*--yy_cp = (char) c;

    if ( c == '\n' ){
        --yylineno;
    }

	(yytext_ptr) = yy_bp;
	(yy_hold_char) = *yy_cp;
	(yy_c_buf_p) = yy_cp;
}

#endif

#ifndef YY_NO_INPUT
#ifdef __cplusplus
    static int yyinput (void)
#else
    static int input  (void)
#endif

{
	int c;
    
	*(yy_c_buf_p) = (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_LVALUE->yy_ch_buf[(yy_n_chars)] )
			/* This was really a NUL. */
			*(yy_c_buf_p) = '\0';

		else
			{ /* need more input */
			int offset = (int) ((yy_c_buf_p) - (yytext_ptr));
			++(yy_c_buf_p);

			switch ( yy_get_next_buffer(  ) )
				{
				case EOB_ACT_LAST_MATCH:
					/* This happens because yy_g_n_b()
					 * sees that we've accumulated a
					 * token and flags that we need to
					 * try matching the token before
					 * proceeding.  But for input(),
					 * there's no matching to consider.
					 * So convert the EOB_ACT_LAST_MATCH
					 * to EOB_ACT_END_OF_FILE.
					 */

					/* Reset buffer status. */
					yyrestart( yyin );

					/*FALLTHROUGH*/

				case EOB_ACT_END_OF_FILE:
					{
					if ( yywrap(  ) )
						return 0;

					if ( ! (yy_did_buffer_switch_on_eof) )
						YY_NEW_FILE;
#ifdef __cplusplus
					return yyinput();
#else
					return input();
#endif
					}

				case EOB_ACT_CONTINUE_SCAN:
					(yy_c_buf_p) = (yytext_ptr) + offset;
					break;
				}
			}
		}

	c = *(unsigned char *) (yy_c_buf_p);	/* cast for 8-bit char's */
	*(yy_c_buf_p) = '\0';	/* preserve yytext */
	(yy_hold_char) = *++(yy_c_buf_p);

	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n');
	if ( YY_CURRENT_BUFFER_LVALUE->yy_at_bol )
		
    yylineno++;
;

	return c;
}
#endif	/* ifndef YY_NO_INPUT */

/** Immediately switch to a different input stream.
 * @param input_file A readable stream.
 * 
 * @note This function does not reset the start condition to @c INITIAL .
 */
    void yyrestart  (FILE * input_file )
{
    
	if ( ! YY_CURRENT_BUFFER ){
        yyensure_buffer_stack ();
		YY_CURRENT_BUFFER_LVALUE =
            yy_create_buffer( yyin, YY_BUF_SIZE );
	}

	yy_init_buffer( YY_CURRENT_BUFFER, input_file );
	yy_load_buffer_state(  );
}

/** Switch to a different input buffer.
 * @param new_buffer The new input buffer.
 * 
 */
    void yy_switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
{
    
	/* TODO. We should be able to replace this entire function body
	 * with
	 *		yypop_buffer_state();
	 *		yypush_buffer_state(new_buffer);
     */
	yyensure_buffer_stack ();
	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_LVALUE->yy_buf_pos = (yy_c_buf_p);
		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
		}

	YY_CURRENT_BUFFER_LVALUE = 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;
}

static void yy_load_buffer_state  (void)
{
    	(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
	(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
	yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
	(yy_hold_char) = *(yy_c_buf_p);
}

/** Allocate and initialize an input buffer state.
 * @param file A readable stream.
 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
 * 
 * @return the allocated buffer state.
 */
    YY_BUFFER_STATE yy_create_buffer  (FILE * file, int  size )
{
	YY_BUFFER_STATE b;
    
	b = (YY_BUFFER_STATE) yyalloc( 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 = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2)  );
	if ( ! b->yy_ch_buf )
		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );

	b->yy_is_our_buffer = 1;

	yy_init_buffer( b, file );

	return b;
}

/** Destroy the buffer.
 * @param b a buffer created with yy_create_buffer()
 * 
 */
    void yy_delete_buffer (YY_BUFFER_STATE  b )
{
    
	if ( ! b )
		return;

	if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
		YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;

	if ( b->yy_is_our_buffer )
		yyfree( (void *) b->yy_ch_buf  );

	yyfree( (void *) b  );
}

/* Initializes or reinitializes a buffer.
 * This function is sometimes called more than once on the same buffer,
 * such as during a yyrestart() or at EOF.
 */
    static void yy_init_buffer  (YY_BUFFER_STATE  b, FILE * file )

{
	int oerrno = errno;
    
	yy_flush_buffer( b );

	b->yy_input_file = file;
	b->yy_fill_buffer = 1;

    /* If b is the current buffer, then yy_init_buffer was _probably_
     * called from yyrestart() or through yy_get_next_buffer.
     * In that case, we don't want to reset the lineno or column.
     */
    if (b != YY_CURRENT_BUFFER){
        b->yy_bs_lineno = 1;
        b->yy_bs_column = 0;
    }

        b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
    
	errno = oerrno;
}

/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
 * 
 */
    void yy_flush_buffer (YY_BUFFER_STATE  b )
{
    	if ( ! b )
		return;

	b->yy_n_chars = 0;

	/* 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[0] = YY_END_OF_BUFFER_CHAR;
	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;

	b->yy_buf_pos = &b->yy_ch_buf[0];

	b->yy_at_bol = 1;
	b->yy_buffer_status = YY_BUFFER_NEW;

	if ( b == YY_CURRENT_BUFFER )
		yy_load_buffer_state(  );
}

/** Pushes the new state onto the stack. The new state becomes
 *  the current state. This function will allocate the stack
 *  if necessary.
 *  @param new_buffer The new state.
 *  
 */
void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
{
    	if (new_buffer == NULL)
		return;

	yyensure_buffer_stack();

	/* This block is copied from yy_switch_to_buffer. */
	if ( YY_CURRENT_BUFFER )
		{
		/* Flush out information for old buffer. */
		*(yy_c_buf_p) = (yy_hold_char);
		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
		}

	/* Only push if top exists. Otherwise, replace top. */
	if (YY_CURRENT_BUFFER)
		(yy_buffer_stack_top)++;
	YY_CURRENT_BUFFER_LVALUE = new_buffer;

	/* copied from yy_switch_to_buffer. */
	yy_load_buffer_state(  );
	(yy_did_buffer_switch_on_eof) = 1;
}

/** Removes and deletes the top of the stack, if present.
 *  The next element becomes the new top.
 *  
 */
void yypop_buffer_state (void)
{
    	if (!YY_CURRENT_BUFFER)
		return;

	yy_delete_buffer(YY_CURRENT_BUFFER );
	YY_CURRENT_BUFFER_LVALUE = NULL;
	if ((yy_buffer_stack_top) > 0)
		--(yy_buffer_stack_top);

	if (YY_CURRENT_BUFFER) {
		yy_load_buffer_state(  );
		(yy_did_buffer_switch_on_eof) = 1;
	}
}

/* Allocates the stack if it does not exist.
 *  Guarantees space for at least one push.
 */
static void yyensure_buffer_stack (void)
{
	yy_size_t num_to_alloc;
    
	if (!(yy_buffer_stack)) {

		/* First allocation is just for 2 elements, since we don't know if this
		 * scanner will even need a stack. We use 2 instead of 1 to avoid an
		 * immediate realloc on the next call.
         */
      num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */
		(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
								(num_to_alloc * sizeof(struct yy_buffer_state*)
								);
		if ( ! (yy_buffer_stack) )
			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );

		memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));

		(yy_buffer_stack_max) = num_to_alloc;
		(yy_buffer_stack_top) = 0;
		return;
	}

	if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){

		/* Increase the buffer to prepare for a possible push. */
		yy_size_t grow_size = 8 /* arbitrary grow size */;

		num_to_alloc = (yy_buffer_stack_max) + grow_size;
		(yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
								((yy_buffer_stack),
								num_to_alloc * sizeof(struct yy_buffer_state*)
								);
		if ( ! (yy_buffer_stack) )
			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );

		/* zero only the new slots.*/
		memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
		(yy_buffer_stack_max) = num_to_alloc;
	}
}

/** Setup the input buffer state to scan directly from a user-specified character buffer.
 * @param base the character buffer
 * @param size the size in bytes of the character buffer
 * 
 * @return the newly allocated buffer state object.
 */
YY_BUFFER_STATE yy_scan_buffer  (char * base, yy_size_t  size )
{
	YY_BUFFER_STATE b;
    
	if ( size < 2 ||
	     base[size-2] != YY_END_OF_BUFFER_CHAR ||
	     base[size-1] != YY_END_OF_BUFFER_CHAR )
		/* They forgot to leave room for the EOB's. */
		return NULL;

	b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state )  );
	if ( ! b )
		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );

	b->yy_buf_size = (int) (size - 2);	/* "- 2" to take care of EOB's */
	b->yy_buf_pos = b->yy_ch_buf = base;
	b->yy_is_our_buffer = 0;
	b->yy_input_file = NULL;
	b->yy_n_chars = b->yy_buf_size;
	b->yy_is_interactive = 0;
	b->yy_at_bol = 1;
	b->yy_fill_buffer = 0;
	b->yy_buffer_status = YY_BUFFER_NEW;

	yy_switch_to_buffer( b  );

	return b;
}

/** Setup the input buffer state to scan a string. The next call to yylex() will
 * scan from a @e copy of @a str.
 * @param yystr a NUL-terminated string to scan
 * 
 * @return the newly allocated buffer state object.
 * @note If you want to scan bytes that may contain NUL values, then use
 *       yy_scan_bytes() instead.
 */
YY_BUFFER_STATE yy_scan_string (const char * yystr )
{
    
	return yy_scan_bytes( yystr, (int) strlen(yystr) );
}

/** Setup the input buffer state to scan the given bytes. The next call to yylex() will
 * scan from a @e copy of @a bytes.
 * @param yybytes the byte buffer to scan
 * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
 * 
 * @return the newly allocated buffer state object.
 */
YY_BUFFER_STATE yy_scan_bytes  (const char * yybytes, int  _yybytes_len )
{
	YY_BUFFER_STATE b;
	char *buf;
	yy_size_t n;
	int i;
    
	/* Get memory for full buffer, including space for trailing EOB's. */
	n = (yy_size_t) (_yybytes_len + 2);
	buf = (char *) yyalloc( n  );
	if ( ! buf )
		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );

	for ( i = 0; i < _yybytes_len; ++i )
		buf[i] = yybytes[i];

	buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;

	b = yy_scan_buffer( buf, n );
	if ( ! b )
		YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );

	/* It's okay to grow etc. this buffer, and we should throw it
	 * away when we're done.
	 */
	b->yy_is_our_buffer = 1;

	return b;
}

#ifndef YY_EXIT_FAILURE
#define YY_EXIT_FAILURE 2
#endif

static void yynoreturn yy_fatal_error (const char* msg )
{
			fprintf( stderr, "%s\n", msg );
	exit( YY_EXIT_FAILURE );
}

/* Redefine yyless() so it works in section 3 code. */

#undef yyless
#define yyless(n) \
	do \
		{ \
		/* Undo effects of setting up yytext. */ \
        int yyless_macro_arg = (n); \
        YY_LESS_LINENO(yyless_macro_arg);\
		yytext[yyleng] = (yy_hold_char); \
		(yy_c_buf_p) = yytext + yyless_macro_arg; \
		(yy_hold_char) = *(yy_c_buf_p); \
		*(yy_c_buf_p) = '\0'; \
		yyleng = yyless_macro_arg; \
		} \
	while ( 0 )

/* Accessor  methods (get/set functions) to struct members. */

/** Get the current line number.
 * 
 */
int yyget_lineno  (void)
{
    
    return yylineno;
}

/** Get the input stream.
 * 
 */
FILE *yyget_in  (void)
{
        return yyin;
}

/** Get the output stream.
 * 
 */
FILE *yyget_out  (void)
{
        return yyout;
}

/** Get the length of the current token.
 * 
 */
int yyget_leng  (void)
{
        return yyleng;
}

/** Get the current token.
 * 
 */

char *yyget_text  (void)
{
        return yytext;
}

/** Set the current line number.
 * @param _line_number line number
 * 
 */
void yyset_lineno (int  _line_number )
{
    
    yylineno = _line_number;
}

/** Set the input stream. This does not discard the current
 * input buffer.
 * @param _in_str A readable stream.
 * 
 * @see yy_switch_to_buffer
 */
void yyset_in (FILE *  _in_str )
{
        yyin = _in_str ;
}

void yyset_out (FILE *  _out_str )
{
        yyout = _out_str ;
}

int yyget_debug  (void)
{
        return yy_flex_debug;
}

void yyset_debug (int  _bdebug )
{
        yy_flex_debug = _bdebug ;
}

static int yy_init_globals (void)
{
        /* Initialization is the same as for the non-reentrant scanner.
     * This function is called from yylex_destroy(), so don't allocate here.
     */

    /* We do not touch yylineno unless the option is enabled. */
    yylineno =  1;
    
    (yy_buffer_stack) = NULL;
    (yy_buffer_stack_top) = 0;
    (yy_buffer_stack_max) = 0;
    (yy_c_buf_p) = NULL;
    (yy_init) = 0;
    (yy_start) = 0;

    (yy_state_buf) = 0;
    (yy_state_ptr) = 0;
    (yy_full_match) = 0;
    (yy_lp) = 0;

/* Defined in main.c */
#ifdef YY_STDINIT
    yyin = stdin;
    yyout = stdout;
#else
    yyin = NULL;
    yyout = NULL;
#endif

    /* For future reference: Set errno on error, since we are called by
     * yylex_init()
     */
    return 0;
}

/* yylex_destroy is for both reentrant and non-reentrant scanners. */
int yylex_destroy  (void)
{
    
    /* Pop the buffer stack, destroying each element. */
	while(YY_CURRENT_BUFFER){
		yy_delete_buffer( YY_CURRENT_BUFFER  );
		YY_CURRENT_BUFFER_LVALUE = NULL;
		yypop_buffer_state();
	}

	/* Destroy the stack itself. */
	yyfree((yy_buffer_stack) );
	(yy_buffer_stack) = NULL;

    yyfree ( (yy_state_buf) );
    (yy_state_buf)  = NULL;

    /* Reset the globals. This is important in a non-reentrant scanner so the next time
     * yylex() is called, initialization will occur. */
    yy_init_globals( );

    return 0;
}

/*
 * Internal utility routines.
 */

#ifndef yytext_ptr
static void yy_flex_strncpy (char* s1, const char * s2, int n )
{
		
	int i;
	for ( i = 0; i < n; ++i )
		s1[i] = s2[i];
}
#endif

#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (const char * s )
{
	int n;
	for ( n = 0; s[n]; ++n )
		;

	return n;
}
#endif

void *yyalloc (yy_size_t  size )
{
			return malloc(size);
}

void *yyrealloc  (void * ptr, yy_size_t  size )
{
		
	/* The cast to (char *) in the following accommodates both
	 * implementations that use char* generic pointers, and those
	 * that use void* generic pointers.  It works with the latter
	 * because both ANSI C and C++ allow castless assignment from
	 * any pointer type to void*, and deal with argument conversions
	 * as though doing an assignment.
	 */
	return realloc(ptr, size);
}

void yyfree (void * ptr )
{
			free( (char *) ptr );	/* see yyrealloc() for (char *) cast */
}

#define YYTABLES_NAME "yytables"

#line 404 "include.lex"


int yyerror (const char * s)
{
  if (0) yyunput (0, NULL); // just prevents 'yyunput unused' compiler warning
  fprintf (stderr, "%s:%d: error: %s\n", fname, yylineno, s);
  return 1;
}

static int getput(void)
{
  int c = input();
  if (myout)
    fputc (c, myout);
  return c;
}

static int comment(void)
{
  int c, lineno = yylineno;
  while ((c = getput())) {
    if (c == '*') {
      while ((c = getput()) == '*')
	;
      if (c == '/')
	return 0;
      if (c == 0)
	break;
    }
  }
  fprintf (stderr, "%s:%d: warning: unterminated comment\n", fname, lineno);
  return 0;
}

void stripname (char * path)
{
  char * s = &path[strlen(path)];
  while (s != path && *s != '/')
    *s-- = '\0';
  if (s == path)
    strcpy (path, ".");
  else
    *s = '\0';
}

char * stripslash (char * path)
{
  char * strip = malloc (strlen (path) + 1), * s = path, * o = strip;
  int slash = 0;
  do {
    if (*s == '/') {
      if (!slash)
	*o++ = *s;
      slash = 1;
    }
    else {
      *o++ = *s;
      slash = 0;
    }
  } while (*s++ != '\0');
  return strip;
}

static int is_code (const char * file)
{
  // check whether file has a .c or .h extension
  char * s = strstr (file, ".c");
  if (!s)
    s = strstr (file, ".h");
  return s && (s[2] == '\0' || s[2] == '.');
}

static int include (char * file, FILE * fin, FILE * fout)
{
  fname = stripslash (file);
  paths[npath] = allocate (alloc, strlen (file) + 1);
  strcpy (paths[npath], file);
  stripname (paths[npath]);
  yyin = fin;
  myout = fout;
  yylineno = 1;
  scope = intypedef = 0;
  long header = fout ? ftell (fout) : 0;
  incode = is_code (file);
  //  yy_flex_debug = 1;
  int ret = yylex();
  yylex_destroy();
  if (fout && incode) {
    // Assume the entire file is pure code
    fseek (fout, header, SEEK_SET);
    rewind (fin);
    char s[81];
    while (fgets (s, 81, fin))
      fputs (s, fout);
  }
  free (fname);
  return ret;
}

FILE * writepath (char * path, const char * mode);

static void compdir (char * file, const char * dir)
{
  push (file);
  while (stack >= 0) {
    char * path = pop();
    FILE * fin = fopen (path, "r");
    if (fin == NULL) {
      perror (path);
      exit (1);
    }
    FILE * fout = NULL;
    if (dir) {
      char * file = strstr (path, "//");
      if (file) file += 2; else file = path;
      char * out = malloc (strlen (dir) + strlen (file) + 2);
      strcpy (out, dir);
      strcat (out, "/");
      strcat (out, file);
      fout = writepath (out, "w");
      if (fout == NULL) {
	perror (out);
	exit (1);
      }
      free (out);

      // all headers are included once only
      static int nf = 0;
      fprintf (fout, 
	       "#ifndef BASILISK_HEADER_%d\n"
	       "#define BASILISK_HEADER_%d\n", nf, nf);
      nf++;

      fputs ("#line 1 \"", fout);
      singleslash (path, fout);
      fputs ("\"\n", fout);
    }
    if (include (path, fin, fout))
      exit (1);
    fclose (fin);
    if (fout) {
      fputs ("\n#endif\n", fout);
      fclose (fout);
    }
    target = 0;
  }
}

static void prepend_path (char * path)
{
  int j;
  for (j = npath; j > 0; j--)
    paths[j] = paths[j-1];
  paths[0] = path;
  npath++;
}

void includes (int argc, char ** argv,
	       char ** grid1, int * default_grid,
	       int * dim, int * bg, int * lyrs,
	       const char * dir)
{
  int depend = 0, tags = 0, swig = 0;
  char * file = NULL, * output = NULL;
  int i;
  warninclude = 0;
  alloc = new_allocator();
  char * basilisk_include_path = getenv ("BASILISK_INCLUDE_PATH");
  if (basilisk_include_path) {
    basilisk_include_path = strdup (basilisk_include_path);
    char * s = strtok (basilisk_include_path, ":");
    while (s) {
      prepend_path (s);
      s = strtok (NULL, ":");
    }
  }
  for (i = 1; i < argc; i++) {
    if (!strncmp (argv[i], "-grid=", 6))
      strcpy (grid, &argv[i][6]);
    else if (!strcmp (argv[i], "-MD"))
      depend = warninclude = 1;
    else if (!strcmp (argv[i], "-tags"))
      tags = warninclude = 1;
    else if (!strcmp (argv[i], "-python"))
      swig = 1;
    else if (!strcmp (argv[i], "-debug"))
      debug = 1;
    else if (!strcmp (argv[i], "-o"))
      output = argv[++i];
    else if (!strncmp (argv[i], "-I", 2))
      prepend_path (argv[i] + 2);
    else if (argv[i][0] != '-' && \
	     (tags || !strcmp (&argv[i][strlen(argv[i]) - 2], ".c"))) {
      if (file) {
	fprintf (stderr, "usage: include [OPTIONS] FILE.c\n");
	exit (1);
      }
      file = argv[i];
    }
  }
  if (depend && file) {
    if (!output) output = file;
    char ndep[80], * s = &output[strlen(output)-1];
    while (*s != '.' && s != output) s--;
    if (output != file || s == output)
      /* generate dep files with suffixes included for -o option */
      strcpy (ndep, output);
    else {
      *s = '\0';
      strcpy (ndep, output);
      *s = '.';
    }
    if (strlen(ndep) < 2 || strcmp (&ndep[strlen(ndep)-2], ".d")) {
      if (tags)
	strcat (ndep, ".tags.d");
      else
	strcat (ndep, ".d");
    }
    else
      output[strlen(ndep)-2] = '\0'; // strip trailing ".d";
    fdepend = fopen (ndep, "w");
    if (!fdepend) {
      perror (ndep);
      exit (1);
    }
    char * page = strstr (output, ".page");
    if (tags && page) {
      *page = '\0';
      fprintf (fdepend, "%s.tags:\t\\\n", output);
      *page = '.';
    }
    else
      fprintf (fdepend, "%s:\t\\\n", output);
  }
  else if (tags && file) {
    if (!output) output = file;
    char ndep[80];
    // strip trailing .page
    strcpy (ndep, output);
    char * page = strstr (ndep, ".page");
    if (page)
      *page = '\0';
    strcat (ndep, ".tags");
    ftags = fopen (ndep, "w");
    if (!ftags) {
      perror (ndep);
      exit (1);
    }
  }
  if (file) {
    if (swig) {
      char swigname[80];
      strcpy (swigname, file);
      char * dot = strchr (swigname, '.');
      *dot = '\0'; strcat (swigname, ".i");
      swigfp = fopen (swigname, "w");
      if (!swigfp) {
	fprintf (stderr, "include: could not open '%s': ", swigname);
	perror ("");
	exit (1);
      }
      *dot = '\0';
      fprintf (swigfp, "%%module %s\n", swigname);
      fputs ("%include \"", swigfp);
      fputs (LIBDIR, swigfp);
      fputs ("/common.i\"\n", swigfp);
    }
    target = 1;
    compdir (file, dir);
    if (!hasgrid && is_code (file)) {
      char * path, gridpath[80] = "grid/";
      strcat (gridpath, grid); strcat (gridpath, ".h");
      FILE * fp = openpath (gridpath, "r", &path);
      if (!fp) {
	fprintf (stderr, "include: invalid grid '%s': ", grid);
	perror ("");
	exit (1);
      }
      fclose (fp);
      target = 0;
      compdir (path, dir);
      hasgrid = 0;
    }
    if (swigfp) {
      char * path, pythonpath[80] = "python.h";
      FILE * fp = openpath (pythonpath, "r", &path);
      if (!fp) {
	perror (pythonpath);
	exit (1);
      }
      fclose (fp);
      target = 0;
      compdir (path, dir);
    }
    if (ftags) {
      // reprocess the target file for keywords
      keywords_only = target = 1;
      compdir (file, dir);
    }
    char * path;    
    FILE * fp = openpath ("common.h", "r", &path);
    assert (fp);
    fclose (fp);
  }
  if (fdepend) {
    fputc ('\n', fdepend);
    fclose (fdepend);
  }
  if (ftags)
    fclose (ftags);
  if (swigfp)
    fclose (swigfp);
  *grid1 = grid;
  *default_grid = !hasgrid;
  if (dimension > 0)
    *dim = dimension;
  *bg = bghosts;
  *lyrs = layers;
  free (basilisk_include_path);
  free_allocator (alloc);
}