lex.kn.c

#line 3 "lex.kn.c"

#define  YY_INT_ALIGNED short int

/* A lexical scanner generated by flex */

#define yy_create_buffer kn_create_buffer
#define yy_delete_buffer kn_delete_buffer
#define yy_flex_debug kn_flex_debug
#define yy_init_buffer kn_init_buffer
#define yy_flush_buffer kn_flush_buffer
#define yy_load_buffer_state kn_load_buffer_state
#define yy_switch_to_buffer kn_switch_to_buffer
#define yyin knin
#define yyleng knleng
#define yylex knlex
#define yylineno knlineno
#define yyout knout
#define yyrestart knrestart
#define yytext kntext
#define yywrap knwrap
#define yyalloc knalloc
#define yyrealloc knrealloc
#define yyfree knfree

#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 6
#define YY_FLEX_SUBMINOR_VERSION 1
#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#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

#endif /* ! C99 */

#endif /* ! FLEXINT_H */

/* 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 unsigned
 * integer for use as an array index.  If the signed char is negative,
 * we want to instead treat it as an 8-bit unsigned char, hence the
 * double cast.
 */
#define YY_SC_TO_UI(c) ((unsigned int) (unsigned 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 knrestart(knin  )

#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 knleng;

extern FILE *knin, *knout;

#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 knlex.
     *       One obvious solution it to make yy_act a global. I tried that, and saw
     *       a 5% performance hit in a non-knlineno 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 < knleng; ++yyl )\
                    if ( kntext[yyl] == '\n' )\
                        --knlineno;\
            }while(0)
    #define YY_LINENO_REWIND_TO(dst) \
            do {\
                const char *p;\
                for ( p = yy_cp-1; p >= (dst); --p)\
                    if ( *p == '\n' )\
                        --knlineno;\
            }while(0)
    
/* Return all but the first "n" matched characters back to the input stream. */
#define yyless(n) \
	do \
		{ \
		/* Undo effects of setting up kntext. */ \
        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 kntext 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 knrestart()), so that the user can continue scanning by
	 * just pointing knin 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 kntext is formed. */
static char yy_hold_char;
static int yy_n_chars;		/* number of characters read into yy_ch_buf */
int knleng;

/* 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 knwrap()'s to do buffer switches
 * instead of setting up a fresh knin.  A bit of a hack ...
 */
static int yy_did_buffer_switch_on_eof;

void knrestart (FILE *input_file  );
void kn_switch_to_buffer (YY_BUFFER_STATE new_buffer  );
YY_BUFFER_STATE kn_create_buffer (FILE *file,int size  );
void kn_delete_buffer (YY_BUFFER_STATE b  );
void kn_flush_buffer (YY_BUFFER_STATE b  );
void knpush_buffer_state (YY_BUFFER_STATE new_buffer  );
void knpop_buffer_state (void );

static void knensure_buffer_stack (void );
static void kn_load_buffer_state (void );
static void kn_init_buffer (YY_BUFFER_STATE b,FILE *file  );

#define YY_FLUSH_BUFFER kn_flush_buffer(YY_CURRENT_BUFFER )

YY_BUFFER_STATE kn_scan_buffer (char *base,yy_size_t size  );
YY_BUFFER_STATE kn_scan_string (yyconst char *yy_str  );
YY_BUFFER_STATE kn_scan_bytes (yyconst char *bytes,int len  );

void *knalloc (yy_size_t  );
void *knrealloc (void *,yy_size_t  );
void knfree (void *  );

#define yy_new_buffer kn_create_buffer

#define yy_set_interactive(is_interactive) \
	{ \
	if ( ! YY_CURRENT_BUFFER ){ \
        knensure_buffer_stack (); \
		YY_CURRENT_BUFFER_LVALUE =    \
            kn_create_buffer(knin,YY_BUF_SIZE ); \
	} \
	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
	}

#define yy_set_bol(at_bol) \
	{ \
	if ( ! YY_CURRENT_BUFFER ){\
        knensure_buffer_stack (); \
		YY_CURRENT_BUFFER_LVALUE =    \
            kn_create_buffer(knin,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 knwrap() (/*CONSTCOND*/1)
#define YY_SKIP_YYWRAP

typedef unsigned char YY_CHAR;

FILE *knin = NULL, *knout = NULL;

typedef int yy_state_type;

extern int knlineno;

int knlineno = 1;

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

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 (yyconst char* msg  );

/* Done after the current pattern has been matched and before the
 * corresponding action - sets up kntext.
 */
#define YY_DO_BEFORE_ACTION \
	(yytext_ptr) = yy_bp; \
	knleng = (int) (yy_cp - yy_bp); \
	(yy_hold_char) = *yy_cp; \
	*yy_cp = '\0'; \
	(yy_c_buf_p) = yy_cp;

#define YY_NUM_RULES 40
#define YY_END_OF_BUFFER 41
/* 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 yyconst flex_int16_t yy_acclist[123] =
    {   0,
       41,   39,   40,   38,   39,   40,   38,   40,   39,   40,
       27,   39,   40,   31,   39,   40,   24,   39,   40,   11,
       39,   40,   22,   39,   40,   33,   39,   40,    2,   39,
       40,    3,   39,   40,   20,   39,   40,    6,   39,   40,
       19,   39,   40,   21,   39,   40,   36,   39,   40,   10,
       39,   40,   15,   39,   40,   39,   40,   16,   39,   40,
       32,   39,   40,   30,   39,   40,   30,   39,   40,   30,
       39,   40,   23,   39,   40,    8,   39,   40,   39,   40,
        9,   39,   40,   39,   40,   28,   39,   40,   39,   40,
       29,   39,   40,   39,   40,   35,   39,   40,   37,   27,

       14,    4,    7,   36,   17,   13,   18,   30,   30,   30,
        5,   12,   35,   34,   30,   30,   30,   25,   30,    1,
       26,   30
    } ;

static yyconst flex_int16_t yy_accept[79] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    2,    4,    7,    9,   11,   14,   17,
       20,   23,   26,   29,   32,   35,   38,   41,   44,   47,
       50,   53,   56,   58,   61,   64,   67,   70,   73,   76,
       79,   81,   84,   86,   89,   91,   94,   96,   99,   99,
      100,  100,  101,  102,  103,  104,  104,  105,  106,  107,
      108,  109,  110,  111,  112,  113,  113,  113,  114,  115,
      116,  117,  117,  118,  120,  121,  123,  123
    } ;

static yyconst flex_uint16_t yy_base[82] =
    {   0,
        0,    5,   43,    0,  137,  195,  289,  380,  438,  496,
       13,  346,  203, 1463, 1463, 1463,    9,    0, 1463, 1463,
      139, 1463,  145, 1463, 1463, 1463, 1463,  119, 1463,  160,
     1463,  115,   75,   74, 1463,    0,    9,   57, 1463, 1463,
       10, 1463,   10, 1463,    0, 1463,  219,  250,  138, 1463,
        1,    0, 1463, 1463, 1463,  312,  403, 1463, 1463, 1463,
        0,   97,  110, 1463, 1463,  123,  462,  519,  551,  143,
      208,  208,  211,    0, 1463,    0, 1463,  622,  877, 1132,
     1340
    } ;

static yyconst flex_int16_t yy_def[82] =
    {   0,
       78,   78,   78,    3,    3,    3,    3,    3,    3,    3,
       78,   78,   77,   77,   77,   77,   79,   80,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   81,   81,   81,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   79,   77,
       79,   80,   77,   77,   77,   77,   77,   77,   77,   77,
       81,   81,   81,   77,   77,   77,   77,   77,   77,   81,
       81,   77,   81,   81,   77,   81,    0,   77,   77,   77,
       77
    } ;

static yyconst flex_uint16_t yy_nxt[1720] =
    {   0,
       77,   77,   77,   77,   77,   77,   77,   77,   15,   16,
       49,   77,   77,   15,   16,   77,   77,   77,   77,   77,
       77,   15,   16,   77,   77,   77,   77,   77,   77,   77,
       77,   15,   77,   17,   18,   19,   15,   54,   17,   18,
       19,   77,   50,   77,   15,   20,   17,   18,   19,   77,
       20,   15,   16,   77,   77,   77,   77,   77,   20,   77,
       48,   48,   48,   48,   48,   48,   48,   48,   48,   48,
       65,   77,   77,   62,   15,   21,   17,   18,   19,   22,
       23,   77,   24,   25,   26,   27,   77,   28,   20,   29,
       30,   30,   30,   30,   30,   30,   30,   30,   30,   30,

       51,   31,   32,   33,   34,   62,   35,   36,   36,   36,
       36,   36,   37,   36,   36,   36,   36,   36,   36,   36,
       36,   36,   36,   36,   36,   36,   38,   36,   36,   36,
       36,   36,   36,   64,   60,   59,   39,   36,   63,   36,
       36,   36,   36,   36,   37,   36,   36,   36,   36,   36,
       36,   36,   36,   36,   36,   36,   36,   36,   38,   36,
       36,   36,   36,   36,   36,   40,   41,   42,   43,   14,
       63,   50,   70,   14,   14,   58,   14,   14,   14,   14,
       55,   14,   54,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   71,   14,   14,   44,   14,   53,

       14,   72,   77,   77,   70,   56,   36,   57,   57,   57,
       57,   57,   57,   57,   57,   57,   57,   77,   77,   77,
       36,   77,   77,   77,   77,   73,   71,   14,   77,   51,
       14,   14,   14,   72,   14,   14,   14,   14,   36,   14,
       77,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   36,   14,   14,   44,   14,   73,   14,   14,
       14,   14,   14,   66,   36,   77,   67,   67,   67,   67,
       67,   67,   67,   67,   67,   67,   74,   75,   36,   76,
       77,   77,   77,   77,   77,   77,   77,   77,   14,   77,
       77,   77,   77,   77,   77,   77,   36,   68,   68,   68,

       68,   68,   68,   68,   68,   68,   68,   77,   74,   75,
       36,   76,   77,   77,   77,   77,   77,   14,   14,   14,
       14,   14,   77,   77,   77,   14,   45,   77,   77,   77,
       14,   14,   46,   14,   77,   14,   14,   47,   47,   47,
       47,   47,   47,   47,   47,   47,   77,   14,   14,   14,
       14,   77,   14,   77,   15,   16,   77,   77,   36,   69,
       69,   69,   69,   69,   69,   69,   69,   69,   69,   77,
       77,   77,   36,   77,   77,   77,   77,   15,   77,   17,
       18,   19,   14,   77,   77,   77,   77,   77,   77,   77,
       36,   20,   77,   48,   48,   48,   48,   48,   48,   48,

       48,   48,   48,   77,   36,   77,   77,   77,   77,   77,
       77,   14,   14,   14,   14,   77,   14,   45,   77,   77,
       77,   14,   14,   46,   14,   77,   14,   14,   47,   47,
       47,   47,   47,   47,   47,   47,   47,   77,   14,   14,
       14,   14,   77,   14,   77,   77,   77,   77,   56,   36,
       57,   57,   57,   57,   57,   57,   57,   57,   57,   57,
       77,   77,   77,   36,   77,   77,   77,   77,   77,   77,
       14,   77,   77,   14,   14,   14,   77,   14,   14,   14,
       14,   36,   14,   77,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   36,   14,   14,   14,   14,

       77,   14,   14,   77,   14,   14,   66,   36,   77,   67,
       67,   67,   67,   67,   67,   67,   67,   67,   67,   77,
       77,   36,   77,   77,   77,   77,   77,   77,   14,   77,
       77,   14,   14,   14,   77,   14,   14,   14,   14,   36,
       14,   77,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   36,   14,   14,   14,   14,   77,   14,
       14,   14,   14,   14,   77,   36,   68,   68,   68,   68,
       68,   68,   68,   68,   68,   68,   77,   77,   77,   36,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   14,
       77,   77,   77,   77,   77,   77,   77,   36,   69,   69,

       69,   69,   69,   69,   69,   69,   69,   69,   77,   77,
       77,   36,   77,   77,   77,   77,   77,   77,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,

       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,

       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,   14,   14,   14,   14,   14,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   77,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,

       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,

       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,

       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
       49,   49,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   77,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,

       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,

       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   52,   52,   52,   52,   52,   61,   61,   61,
       61,   61,   61,   61,   61,   61,   61,   77,   77,   77,

       77,   77,   77,   77,   61,   61,   61,   61,   61,   61,
       61,   61,   61,   61,   61,   61,   61,   61,   61,   61,
       61,   61,   61,   61,   61,   61,   61,   61,   61,   61,
       77,   77,   77,   77,   61,   77,   61,   61,   61,   61,
       61,   61,   61,   61,   61,   61,   61,   61,   61,   61,
       61,   61,   61,   61,   61,   61,   61,   61,   61,   61,
       61,   61,   13,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,

       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,

       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,

       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77
    } ;

static yyconst flex_int16_t yy_chk[1720] =
    {   0,
        0,    0,    0,    0,    0,    0,    0,    0,    1,    1,
       51,    0,    0,    2,    2,    0,    0,    0,    0,    0,
        0,   11,   11,    0,    0,    0,    0,    0,    0,    0,
        0,    1,    0,    1,    1,    1,    2,   45,    2,    2,
        2,    0,   17,    0,   11,    1,   11,   11,   11,    0,
        2,    3,    3,    0,    0,    0,    0,    0,   11,    0,
       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
       43,    0,    0,   37,    3,    3,    3,    3,    3,    3,
        3,    0,    3,    3,    3,    3,    0,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,

       17,    3,    3,    3,    3,   37,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,   41,   34,   33,    3,    3,   38,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    5,
       38,   49,   62,    5,    5,   32,    5,    5,    5,    5,
       28,    5,   23,    5,    5,    5,    5,    5,    5,    5,
        5,    5,    5,    5,   63,    5,    5,    5,    5,   21,

        5,   66,   13,    0,   62,   30,    5,   30,   30,   30,
       30,   30,   30,   30,   30,   30,   30,    0,    0,    0,
        5,    0,    0,    0,    0,   70,   63,    6,    0,   49,
        5,    6,    6,   66,    6,    6,    6,    6,    5,    6,
        0,    6,    6,    6,    6,    6,    6,    6,    6,    6,
        6,    6,    5,    6,    6,    6,    6,   70,    6,    5,
        5,    5,    5,   47,    6,    0,   47,   47,   47,   47,
       47,   47,   47,   47,   47,   47,   71,   72,    6,   73,
        0,    0,    0,    0,    0,    0,    0,    0,    6,    0,
        0,    0,    0,    0,    0,    0,    6,   48,   48,   48,

       48,   48,   48,   48,   48,   48,   48,    0,   71,   72,
        6,   73,    0,    0,    0,    0,    0,    6,    6,    6,
        6,    7,    0,    0,    0,    7,    7,    0,    0,    0,
        7,    7,    7,    7,    0,    7,    7,    7,    7,    7,
        7,    7,    7,    7,    7,    7,    0,    7,    7,    7,
        7,    0,    7,    0,   12,   12,    0,    0,    7,   56,
       56,   56,   56,   56,   56,   56,   56,   56,   56,    0,
        0,    0,    7,    0,    0,    0,    0,   12,    0,   12,
       12,   12,    7,    0,    0,    0,    0,    0,    0,    0,
        7,   12,    0,   12,   12,   12,   12,   12,   12,   12,

       12,   12,   12,    0,    7,    0,    0,    0,    0,    0,
        0,    7,    8,    7,    7,    0,    8,    8,    0,    0,
        0,    8,    8,    8,    8,    0,    8,    8,    8,    8,
        8,    8,    8,    8,    8,    8,    8,    0,    8,    8,
        8,    8,    0,    8,    0,    0,    0,    0,   57,    8,
       57,   57,   57,   57,   57,   57,   57,   57,   57,   57,
        0,    0,    0,    8,    0,    0,    0,    0,    0,    0,
        9,    0,    0,    8,    9,    9,    0,    9,    9,    9,
        9,    8,    9,    0,    9,    9,    9,    9,    9,    9,
        9,    9,    9,    9,    9,    8,    9,    9,    9,    9,

        0,    9,    8,    0,    8,    8,   67,    9,    0,   67,
       67,   67,   67,   67,   67,   67,   67,   67,   67,    0,
        0,    9,    0,    0,    0,    0,    0,    0,   10,    0,
        0,    9,   10,   10,    0,   10,   10,   10,   10,    9,
       10,    0,   10,   10,   10,   10,   10,   10,   10,   10,
       10,   10,   10,    9,   10,   10,   10,   10,    0,   10,
        9,    9,    9,    9,    0,   10,   68,   68,   68,   68,
       68,   68,   68,   68,   68,   68,    0,    0,    0,   10,
        0,    0,    0,    0,    0,    0,    0,    0,    0,   10,
        0,    0,    0,    0,    0,    0,    0,   10,   69,   69,

       69,   69,   69,   69,   69,   69,   69,   69,    0,    0,
        0,   10,    0,    0,    0,    0,    0,    0,   10,   10,
       10,   10,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,

       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,

       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   78,   78,   78,
       78,   78,   78,   78,   78,   78,   78,   79,   79,   79,
       79,   79,   79,   79,   79,   79,    0,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,

       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,

       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,

       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   79,   79,   79,   79,   79,   79,   79,   79,
       79,   79,   80,   80,   80,   80,   80,   80,   80,   80,
       80,    0,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,

       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,

       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   80,   80,   80,
       80,   80,   80,   80,   80,   80,   80,   81,   81,   81,
       81,   81,   81,   81,   81,   81,   81,    0,    0,    0,

        0,    0,    0,    0,   81,   81,   81,   81,   81,   81,
       81,   81,   81,   81,   81,   81,   81,   81,   81,   81,
       81,   81,   81,   81,   81,   81,   81,   81,   81,   81,
        0,    0,    0,    0,   81,    0,   81,   81,   81,   81,
       81,   81,   81,   81,   81,   81,   81,   81,   81,   81,
       81,   81,   81,   81,   81,   81,   81,   81,   81,   81,
       81,   81,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,

       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,

       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,

       77,   77,   77,   77,   77,   77,   77,   77,   77,   77,
       77,   77,   77,   77,   77,   77,   77,   77,   77
    } ;

/* Table of booleans, true if rule could match eol. */
static yyconst flex_int32_t yy_rule_can_match_eol[41] =
    {   0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 
    0,     };

static yyconst yy_state_type yy_NUL_trans[77] =
    {   0,
       14,   14,   14,   14,   14,   14,   14,   14,   14,   14,
       14,   14,    0,    0,    0,    0,   49,   52,    0,    0,
        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
        0,    0,    0,    0,    0,    0,    0,    0,   49,    0,
       49,   52,    0,    0,    0,    0,    0,    0,    0,    0,
        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
        0,    0,    0,    0,    0,    0
    } ;

extern int kn_flex_debug;
int kn_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 kntext */ \
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 *kntext;
#line 1 "keynote.l"
#line 2 "keynote.l"
/*
 * The author of this code is Angelos D. Keromytis (angelos@dsl.cis.upenn.edu)
 *
 * This code was written by Angelos D. Keromytis in Philadelphia, PA, USA,
 * in April-May 1998
 *
 * Copyright (C) 1998, 1999 by Angelos D. Keromytis.
 *	
 * Permission to use, copy, and modify this software without fee
 * is hereby granted, provided that this entire notice is included in
 * all copies of any software which is or includes a copy or
 * modification of this software. 
 *
 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTY. IN PARTICULAR, THE AUTHORS MAKES NO
 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
 * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
 * PURPOSE.
 */

#if HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */

#include <sys/types.h>
#include <ctype.h>

#if STDC_HEADERS
#include <string.h>
#endif /* STDC_HEADERS */

#if HAVE_UNISTD_H
#include <unistd.h>
#endif /* HAVE_UNISTD_H */

#if TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#else
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#else
#include <time.h>
#endif
#endif

#include "k.tab.h"
#include "header.h"
#include "keynote.h"
#include "assertion.h"

static void mystrncpy(char *, char *, int);

struct lex_list
{
    int   lex_type;
    void *lex_s;
};

static struct lex_list *keynote_lex_list = (struct lex_list *) NULL;
static int    keynote_max_lex_list = 32;
static int    keynote_lex_counter = 0;
static int    first_tok = 0;

#line 959 "lex.kn.c"

#define INITIAL 0
#define ACTIONSTRING 1
#define LOCALINIT 2
#define KEYPREDICATE 3
#define SIGNERINIT 4
#define KEYNOTEVERSION 5

#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 knlex_destroy (void );

int knget_debug (void );

void knset_debug (int debug_flag  );

YY_EXTRA_TYPE knget_extra (void );

void knset_extra (YY_EXTRA_TYPE user_defined  );

FILE *knget_in (void );

void knset_in  (FILE * _in_str  );

FILE *knget_out (void );

void knset_out  (FILE * _out_str  );

			int knget_leng (void );

char *knget_text (void );

int knget_lineno (void );

void knset_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 knwrap (void );
#else
extern int knwrap (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 *,yyconst char *,int );
#endif

#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (yyconst 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( kntext, (size_t) knleng, 1, knout )) {} } 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) \
	errno=0; \
	while ( (result = (int) read( fileno(knin), buf, max_size )) < 0 ) \
	{ \
		if( errno != EINTR) \
		{ \
			YY_FATAL_ERROR( "input in flex scanner failed" ); \
			break; \
		} \
		errno=0; \
		clearerr(knin); \
	}\
\

#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 knlex (void);

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

/* Code executed at the beginning of each rule, after kntext and knleng
 * 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 \
	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 *)knalloc(YY_STATE_BUF_SIZE  );
            if ( ! (yy_state_buf) )
                YY_FATAL_ERROR( "out of dynamic memory in knlex()" );

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

		if ( ! knin )
			knin = stdin;

		if ( ! knout )
			knout = stdout;

		if ( ! YY_CURRENT_BUFFER ) {
			knensure_buffer_stack ();
			YY_CURRENT_BUFFER_LVALUE =
				kn_create_buffer(knin,YY_BUF_SIZE );
		}

		kn_load_buffer_state( );
		}

	{
#line 77 "keynote.l"


    /*
     * Return a preset token, so we can have more than one grammars
     * in yacc.
     */
    extern int first_tok;
    
    if (first_tok)
    {
	int holdtok = first_tok;
	
	first_tok = 0;
	return holdtok;
    }


#line 1190 "lex.kn.c"

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

		/* Support of kntext. */
		*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_state_ptr) = (yy_state_buf);
		*(yy_state_ptr)++ = yy_current_state;

yy_match:
		do
			{
			YY_CHAR yy_c = 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];
				}
			yy_current_state = yy_nxt[yy_base[yy_current_state] + (flex_int16_t) yy_c];
			*(yy_state_ptr)++ = yy_current_state;
			++yy_cp;
			}
		while ( yy_current_state != 77 );

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 < knleng; ++yyl )
				if ( kntext[yyl] == '\n' )
					
    knlineno++;
;
			}

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

		switch ( yy_act )
	{ /* beginning of action switch */
case 1:
YY_RULE_SETUP
#line 94 "keynote.l"
{
					  knlval.intval = atoi(kntext);
					  return KOF;
					}
	YY_BREAK
case 2:
YY_RULE_SETUP
#line 98 "keynote.l"
return OPENPAREN;
	YY_BREAK
case 3:
YY_RULE_SETUP
#line 99 "keynote.l"
return CLOSEPAREN;
	YY_BREAK
case 4:
YY_RULE_SETUP
#line 100 "keynote.l"
return AND;
	YY_BREAK
case 5:
YY_RULE_SETUP
#line 101 "keynote.l"
return OR;
	YY_BREAK
case 6:
YY_RULE_SETUP
#line 102 "keynote.l"
return PLUS;
	YY_BREAK
case 7:
YY_RULE_SETUP
#line 103 "keynote.l"
return HINT;
	YY_BREAK
case 8:
YY_RULE_SETUP
#line 104 "keynote.l"
return OPENBLOCK;
	YY_BREAK
case 9:
YY_RULE_SETUP
#line 105 "keynote.l"
return CLOSEBLOCK;
	YY_BREAK
case 10:
YY_RULE_SETUP
#line 106 "keynote.l"
return SEMICOLON;
	YY_BREAK
case 11:
YY_RULE_SETUP
#line 107 "keynote.l"
return NOT;
	YY_BREAK
case 12:
YY_RULE_SETUP
#line 108 "keynote.l"
return REGEXP;
	YY_BREAK
case 13:
YY_RULE_SETUP
#line 109 "keynote.l"
return EQ;
	YY_BREAK
case 14:
YY_RULE_SETUP
#line 110 "keynote.l"
return NE;
	YY_BREAK
case 15:
YY_RULE_SETUP
#line 111 "keynote.l"
return LT;
	YY_BREAK
case 16:
YY_RULE_SETUP
#line 112 "keynote.l"
return GT;
	YY_BREAK
case 17:
YY_RULE_SETUP
#line 113 "keynote.l"
return LE;
	YY_BREAK
case 18:
YY_RULE_SETUP
#line 114 "keynote.l"
return GE;
	YY_BREAK
case 19:
YY_RULE_SETUP
#line 115 "keynote.l"
return MINUS;
	YY_BREAK
case 20:
YY_RULE_SETUP
#line 116 "keynote.l"
return MULT;
	YY_BREAK
case 21:
YY_RULE_SETUP
#line 117 "keynote.l"
return DIV;
	YY_BREAK
case 22:
YY_RULE_SETUP
#line 118 "keynote.l"
return MOD;
	YY_BREAK
case 23:
YY_RULE_SETUP
#line 119 "keynote.l"
return EXP;
	YY_BREAK
case 24:
YY_RULE_SETUP
#line 120 "keynote.l"
return DOTT;
	YY_BREAK
case 25:
YY_RULE_SETUP
#line 121 "keynote.l"
return TRUE;
	YY_BREAK
case 26:
YY_RULE_SETUP
#line 122 "keynote.l"
return FALSE;
	YY_BREAK
case 27:
YY_RULE_SETUP
#line 123 "keynote.l"
/* eat up comments */
	YY_BREAK
case 28:
YY_RULE_SETUP
#line 124 "keynote.l"
return EQQ;
	YY_BREAK
case 29:
YY_RULE_SETUP
#line 125 "keynote.l"
return COMMA;
	YY_BREAK
case 30:
YY_RULE_SETUP
#line 126 "keynote.l"
{
                                        if (keynote_exceptionflag ||
					    keynote_donteval)
					{
					    knlval.string = (char *) NULL;
					    return VARIABLE;
					}

					knlval.string = calloc(strlen(kntext)
							       + 1,
							       sizeof(char));
                                        if (knlval.string == (char *) NULL)
					{
					    keynote_errno = ERROR_MEMORY;
					    return -1;
					}
		  	          	strcpy(knlval.string, kntext);
					if (keynote_lex_add(knlval.string,
							    LEXTYPE_CHAR) ==
					    -1)
					  return -1;
		  	         	return VARIABLE;
			      	      }
	YY_BREAK
case 31:
YY_RULE_SETUP
#line 149 "keynote.l"
return DEREF;
	YY_BREAK
case 32:
YY_RULE_SETUP
#line 150 "keynote.l"
return OPENNUM;
	YY_BREAK
case 33:
YY_RULE_SETUP
#line 151 "keynote.l"
return OPENFLT;
	YY_BREAK
case 34:
YY_RULE_SETUP
#line 152 "keynote.l"
{
				knlval.doubval = atof(kntext);
				return FLOAT;
			      }
	YY_BREAK
case 35:
YY_RULE_SETUP
#line 156 "keynote.l"
{
                                if (keynote_exceptionflag ||
				    keynote_donteval)
				{
				    knlval.string = (char *) NULL;
				    return STRING;
				}

				knlval.string = calloc(strlen(kntext) + 1,
						       sizeof(char));
                                if (knlval.string == (char *) NULL)
				{
				    keynote_errno = ERROR_MEMORY;
				    return -1;
				}
		  	        strcpy(knlval.string, kntext);
				if (keynote_lex_add(knlval.string,
						    LEXTYPE_CHAR) == -1)
				  return -1;
		  	        return STRING;
			      }
	YY_BREAK
case 36:
YY_RULE_SETUP
#line 177 "keynote.l"
{
				knlval.intval = atoi(kntext);
				return NUM;
			      }
	YY_BREAK
case 37:
/* rule 37 can match eol */
YY_RULE_SETUP
#line 181 "keynote.l"
{
                                if (keynote_exceptionflag ||
				    keynote_donteval)
				{
				    knlval.string = (char *) NULL;
				    return STRING;
				}
    
				knlval.string = calloc(strlen(kntext) - 1,
						       sizeof(char));
                                if (knlval.string == (char *) NULL)
				{
				    keynote_errno = ERROR_MEMORY;
				    return -1;
				}

				mystrncpy(knlval.string, kntext + 1, 
					  strlen(kntext) - 2);

				if (keynote_lex_add(knlval.string,
						    LEXTYPE_CHAR) == -1)
				  return -1;
				return STRING;
                              }
	YY_BREAK
case 38:
/* rule 38 can match eol */
YY_RULE_SETUP
#line 205 "keynote.l"

	YY_BREAK
case 39:
YY_RULE_SETUP
#line 206 "keynote.l"
{ keynote_errno = ERROR_SYNTAX; 
                                return -1;
				REJECT; /* Avoid -Wall warning. Not reached */
                              }
	YY_BREAK
case 40:
YY_RULE_SETUP
#line 210 "keynote.l"
YY_FATAL_ERROR( "flex scanner jammed" );
	YY_BREAK
#line 1537 "lex.kn.c"
			case YY_STATE_EOF(INITIAL):
			case YY_STATE_EOF(ACTIONSTRING):
			case YY_STATE_EOF(LOCALINIT):
			case YY_STATE_EOF(KEYPREDICATE):
			case YY_STATE_EOF(SIGNERINIT):
			case YY_STATE_EOF(KEYNOTEVERSION):
				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 knin at a new source and called
			 * knlex().  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 = knin;
			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 ( knwrap( ) )
					{
					/* Note: because we've taken care in
					 * yy_get_next_buffer() to have set up
					 * kntext, 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 knlex */

/* 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;
			knrestart(knin  );
			}

		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 *) knrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size  );
		if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
			YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
	}

	(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_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 )
		{
		if ( *yy_cp )
			{
			YY_CHAR yy_c = 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];
				}
			yy_current_state = yy_nxt[yy_base[yy_current_state] + (flex_int16_t) yy_c];
			}
		else
			yy_current_state = yy_NUL_trans[yy_current_state];
		*(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_current_state = yy_NUL_trans[yy_current_state];
	yy_is_jam = (yy_current_state == 0);

		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 kntext */
	*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' ){
        --knlineno;
    }

	(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 = (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. */
					knrestart(knin );

					/*FALLTHROUGH*/

				case EOB_ACT_END_OF_FILE:
					{
					if ( knwrap( ) )
						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 kntext */
	(yy_hold_char) = *++(yy_c_buf_p);

	if ( c == '\n' )
		
    knlineno++;
;

	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 knrestart  (FILE * input_file )
{
    
	if ( ! YY_CURRENT_BUFFER ){
        knensure_buffer_stack ();
		YY_CURRENT_BUFFER_LVALUE =
            kn_create_buffer(knin,YY_BUF_SIZE );
	}

	kn_init_buffer(YY_CURRENT_BUFFER,input_file );
	kn_load_buffer_state( );
}

/** Switch to a different input buffer.
 * @param new_buffer The new input buffer.
 * 
 */
    void kn_switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
{
    
	/* TODO. We should be able to replace this entire function body
	 * with
	 *		knpop_buffer_state();
	 *		knpush_buffer_state(new_buffer);
     */
	knensure_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;
	kn_load_buffer_state( );

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

static void kn_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;
	knin = 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 kn_create_buffer  (FILE * file, int  size )
{
	YY_BUFFER_STATE b;
    
	b = (YY_BUFFER_STATE) knalloc(sizeof( struct yy_buffer_state )  );
	if ( ! b )
		YY_FATAL_ERROR( "out of dynamic memory in kn_create_buffer()" );

	b->yy_buf_size = (yy_size_t)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 *) knalloc(b->yy_buf_size + 2  );
	if ( ! b->yy_ch_buf )
		YY_FATAL_ERROR( "out of dynamic memory in kn_create_buffer()" );

	b->yy_is_our_buffer = 1;

	kn_init_buffer(b,file );

	return b;
}

/** Destroy the buffer.
 * @param b a buffer created with kn_create_buffer()
 * 
 */
    void kn_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 )
		knfree((void *) b->yy_ch_buf  );

	knfree((void *) b  );
}

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

{
	int oerrno = errno;
    
	kn_flush_buffer(b );

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

    /* If b is the current buffer, then kn_init_buffer was _probably_
     * called from knrestart() 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 = 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 kn_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 )
		kn_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 knpush_buffer_state (YY_BUFFER_STATE new_buffer )
{
    	if (new_buffer == NULL)
		return;

	knensure_buffer_stack();

	/* This block is copied from kn_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 kn_switch_to_buffer. */
	kn_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 knpop_buffer_state (void)
{
    	if (!YY_CURRENT_BUFFER)
		return;

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

	if (YY_CURRENT_BUFFER) {
		kn_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 knensure_buffer_stack (void)
{
	int 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**)knalloc
								(num_to_alloc * sizeof(struct yy_buffer_state*)
								);
		if ( ! (yy_buffer_stack) )
			YY_FATAL_ERROR( "out of dynamic memory in knensure_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**)knrealloc
								((yy_buffer_stack),
								num_to_alloc * sizeof(struct yy_buffer_state*)
								);
		if ( ! (yy_buffer_stack) )
			YY_FATAL_ERROR( "out of dynamic memory in knensure_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 kn_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) knalloc(sizeof( struct yy_buffer_state )  );
	if ( ! b )
		YY_FATAL_ERROR( "out of dynamic memory in kn_scan_buffer()" );

	b->yy_buf_size = 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;

	kn_switch_to_buffer(b  );

	return b;
}

/** Setup the input buffer state to scan a string. The next call to knlex() 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
 *       kn_scan_bytes() instead.
 */
YY_BUFFER_STATE kn_scan_string (yyconst char * yystr )
{
    
	return kn_scan_bytes(yystr,(int) strlen(yystr) );
}

/** Setup the input buffer state to scan the given bytes. The next call to knlex() 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 kn_scan_bytes  (yyconst 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 *) knalloc(n  );
	if ( ! buf )
		YY_FATAL_ERROR( "out of dynamic memory in kn_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 = kn_scan_buffer(buf,n );
	if ( ! b )
		YY_FATAL_ERROR( "bad buffer in kn_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 (yyconst char* msg )
{
			(void) 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 kntext. */ \
        int yyless_macro_arg = (n); \
        YY_LESS_LINENO(yyless_macro_arg);\
		kntext[knleng] = (yy_hold_char); \
		(yy_c_buf_p) = kntext + yyless_macro_arg; \
		(yy_hold_char) = *(yy_c_buf_p); \
		*(yy_c_buf_p) = '\0'; \
		knleng = yyless_macro_arg; \
		} \
	while ( 0 )

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

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

/** Get the input stream.
 * 
 */
FILE *knget_in  (void)
{
        return knin;
}

/** Get the output stream.
 * 
 */
FILE *knget_out  (void)
{
        return knout;
}

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

/** Get the current token.
 * 
 */

char *knget_text  (void)
{
        return kntext;
}

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

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

void knset_out (FILE *  _out_str )
{
        knout = _out_str ;
}

int knget_debug  (void)
{
        return kn_flex_debug;
}

void knset_debug (int  _bdebug )
{
        kn_flex_debug = _bdebug ;
}

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

    /* We do not touch knlineno unless the option is enabled. */
    knlineno =  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
    knin = stdin;
    knout = stdout;
#else
    knin = NULL;
    knout = NULL;
#endif

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

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

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

    knfree ( (yy_state_buf) );
    (yy_state_buf)  = NULL;

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

    return 0;
}

/*
 * Internal utility routines.
 */

#ifndef yytext_ptr
static void yy_flex_strncpy (char* s1, yyconst 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 (yyconst char * s )
{
	int n;
	for ( n = 0; s[n]; ++n )
		;

	return n;
}
#endif

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

void *knrealloc  (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 knfree (void * ptr )
{
			free( (char *) ptr );	/* see knrealloc() for (char *) cast */
}

#define YYTABLES_NAME "yytables"

#line 210 "keynote.l"



/*
 * Zap everything.
 */
static void
keynote_lex_zap(void)
{
    int i;
    
    if (keynote_lex_counter == 0)
      return;

    for (i = 0; i < keynote_max_lex_list; i++)
      if (keynote_lex_list[i].lex_s != (void *) NULL)
      {
	  switch (keynote_lex_list[i].lex_type)
	  {
	      case LEXTYPE_CHAR:
	          free(keynote_lex_list[i].lex_s);
		  break;
	  }

	  keynote_lex_counter--;
	  keynote_lex_list[i].lex_s = (void *) NULL;
	  keynote_lex_list[i].lex_type = 0;
      }
}
	
/*
 * Initialize.
 */
static int
keynote_lex_init(void)
{
    if (keynote_lex_list != (struct lex_list *) NULL)
      memset(keynote_lex_list, 0,
	     keynote_max_lex_list * sizeof(struct lex_list));
    else
    {
	keynote_lex_list = (struct lex_list *) calloc(keynote_max_lex_list,
					              sizeof(struct lex_list));
        if (keynote_lex_list == (struct lex_list *) NULL)
	{
	    keynote_errno = ERROR_MEMORY;
	    return -1;
	}
    }

    return RESULT_TRUE;
}

/*
 * Add the string in a list of allocated but "dangling" memory references.
 * If out of memory, free the string and return -1 (and set keynote_errno).
 */
int
keynote_lex_add(void *s, int type)
{
    struct lex_list *p;
    int i;

    if (s == (void *) NULL)
      return RESULT_TRUE;

    for (i = 0; i < keynote_max_lex_list; i++)
      if (keynote_lex_list[i].lex_s == (void *) NULL)
      {
    	  keynote_lex_list[i].lex_s = (void *) s;
	  keynote_lex_list[i].lex_type = type;
	  keynote_lex_counter++;
     	  return RESULT_TRUE;
      }

    /* Not enough space, increase the size of the array */
    keynote_max_lex_list *= 2;

    p = (struct lex_list *) realloc(keynote_lex_list,
				    keynote_max_lex_list *
				    sizeof(struct lex_list));
    if (p == (struct lex_list *) NULL)
    {
	switch (type)
	{
	    case LEXTYPE_CHAR:
	        free(s);
		break;
	}

        keynote_max_lex_list /= 2;
	keynote_errno = ERROR_MEMORY;
        return -1;
    }

    if (p != keynote_lex_list)
    {
	free(keynote_lex_list);
        keynote_lex_list = p;
    }

    keynote_lex_list[i].lex_s = s;
    keynote_lex_list[i++].lex_type = type;
    keynote_lex_counter++;

    /* Zero out the rest */
    memset(&(keynote_lex_list[i]), 0,
	   (keynote_max_lex_list - i) * sizeof(struct lex_list));

    return RESULT_TRUE;
}

/*
 * Remove string.
 */
void
keynote_lex_remove(void *s)
{
    int i;

    for (i = 0; i < keynote_max_lex_list; i++)
      if (keynote_lex_list[i].lex_s == s)
      {
	  memset(&(keynote_lex_list[i]), 0, sizeof(struct lex_list));
	  keynote_lex_counter--;
	  return;
      }
}

/*
 * Return RESULT_TRUE if character is octal digit, RESULT_FALSE otherwise.
 */
static int
is_octal(char c)
{
    switch (c)
    {
	case '0': case '1': case '2': case '3':
	case '4': case '5': case '6': case '7':
	    return RESULT_TRUE;

	default:
	    return RESULT_FALSE;
    }
}

/*
 * Return octal value (non-zero) if argument starts with such a
 * representation, otherwise 0.
 */
static unsigned char
get_octal(char *s, int len, int *adv)
{
    unsigned char res = 0;

    if (*s == '0')
    {
	if (len > 0)
	{
	    if (is_octal(*(s + 1)))
	    {
		res = *(s + 1) - '0';
		*adv = 2;

		if (is_octal(*(s + 2)) && (len - 1 > 0))
		{
		    res = res * 8 + (*(s + 2) - '0');
		    *adv = 3;
		}
	    }
	}
    }
    else
      if (is_octal(*s) && (len - 1 > 0))  /* Non-zero leading */
      {
	  if (is_octal(*(s + 1)) &&
	      is_octal(*(s + 2)))
	  {
	      *adv = 3;
	      res = (((*s) - '0') * 64) +
		    (((*(s + 1)) - '0') * 8) +
		    ((*(s + 2)) - '0');
	  }
      }

    return res;
}

/*
 * Copy at most len characters to string s1 from string s2, taking
 * care of escaped characters in the process. String s1 is assumed
 * to have enough space, and be zero'ed.
 */
static void
mystrncpy(char *s1, char *s2, int len)
{
    unsigned char c;
    int advance;

    if (len == 0)
      return;

    while (len-- > 0)
    {
        if (*s2 == '\\')
	{
	    s2++;

	    if (len-- <= 0)
	      break;

	    if (*s2 == '\n')
	    {
		while (isspace((int) *(++s2)) && (len-- > 0))
		  ;
	    }
	    else
	      if ((c = get_octal(s2, len, &advance)) != 0)
	      {
		  len -= advance - 1;
		  s2 += advance;
		  *s1++ = c;
	      }
	      else
		if (*s2 == 'n')  /* Newline */
		{
		    *s1++ = '\n';
		    s2++;
		}
		else
		  if (*s2 == 't')  /* Tab */
		  {
		      *s1++ = '\t';
		      s2++;
		  }
		  else
		    if (*s2 == 'r')  /* Linefeed */
		    {
			*s1++ = '\r';
			s2++;
		    }
		    else
		      if (*s2 == 'f')  /* Formfeed */
		      {
			  *s1++ = '\f';
			  s2++;
		      }
		      else
			if ((*s1++ = *s2++) == 0)
			  break;

	    continue;
	}

        if ((*s1++ = *s2++) == 0)
	  break;
     }
}

/* 
 * Evaluate an assertion, with as->as_result holding the result.
 * Return RESULT_TRUE if all ok. Also return the result.
 */
int
keynote_evaluate_assertion(struct assertion *as)
{
    YY_BUFFER_STATE keynote_bs;

    /* Non-existant Conditions field means highest return value */
    if (as->as_conditions_s == (char *) NULL)
    {
	as->as_result = keynote_current_session->ks_values_num - 1;
	return RESULT_TRUE;
    }

    if (keynote_lex_init() != RESULT_TRUE)
      return -1;

    keynote_used_variable = 0;
    keynote_init_list = as->as_env;     /* Setup the local-init var list */

    keynote_bs = kn_scan_bytes(as->as_conditions_s,
			       as->as_conditions_e - as->as_conditions_s);
    BEGIN(ACTIONSTRING);	/* We're doing conditions-string parsing */
    first_tok = ACTSTR;
    as->as_result = 0;
    keynote_returnvalue = 0;
    
    switch (knparse())
    {
	case 1:  /* Fall through */
	    keynote_errno = ERROR_SYNTAX;
	case -1:
	    as->as_result = 0;
	    break;
	    
	case 0:
	    as->as_result = keynote_returnvalue;
	    break;
    }

    keynote_env_cleanup(&keynote_temp_list, 1);
    keynote_lex_zap();
    kn_delete_buffer(keynote_bs);

    keynote_used_variable = 0;
    keynote_returnvalue = 0;
    keynote_temp_list = (struct environment *) NULL;
    keynote_init_list = (struct environment *) NULL;

    if (keynote_errno != 0)
      return -1;
    else
      return RESULT_TRUE;
}

/* 
 * Parse/evaluate a key predicate field. 
 * Store keys in key predicate as keylist in as->as_keylist, if second
 * argument is true.
 */
int
keynote_parse_keypred(struct assertion *as, int record)
{
    YY_BUFFER_STATE keypred_state;
    int p = 0, err;

    if (as->as_keypred_s == (char *) NULL)
      return keynote_current_session->ks_values_num - 1;

    if (keynote_lex_init() != RESULT_TRUE)
      return -1;

    keynote_used_variable = 0;
    keynote_returnvalue = 0;
    keynote_justrecord = record; /* Just want the list of keys in predicate */
    keynote_init_list = as->as_env;

    keypred_state = kn_scan_bytes(as->as_keypred_s,
				  as->as_keypred_e - as->as_keypred_s);
    BEGIN(KEYPREDICATE);
    first_tok = KEYPRE;

    err = knparse();
    if (err != 0)
      if (keynote_errno == 0)
	keynote_errno = ERROR_SYNTAX;

    kn_delete_buffer(keypred_state);
    keynote_lex_zap(); 
    keynote_cleanup_kth();

    keynote_init_list = (struct environment *) NULL;
    keynote_justrecord = 0;
    p = keynote_returnvalue;
    keynote_returnvalue = 0;

    if (record)
    {
	if (keynote_errno != 0)
	{
	    keynote_keylist_free(keynote_keypred_keylist);
	    keynote_keypred_keylist = (struct keylist *) NULL;
	    return -1;
	}
	else
	{
	    /* Mark for re-processing if/when environment changes */
	    if (keynote_used_variable)
	    {
		keynote_used_variable = 0;
		as->as_internalflags |= ASSERT_IFLAG_WEIRDLICS;
	    }

	    if (as->as_keylist)
              keynote_keylist_free(as->as_keylist);
	    as->as_keylist = keynote_keypred_keylist;
	    keynote_keypred_keylist = (struct keylist *) NULL;
	    return RESULT_TRUE;
	}
    }
    else
      return p;
}

/* Evaluate an authorizer or signature field. Return RESULT_TRUE on success.
 * Store key in as->as_authorizer. Second argument is set only for Authorizer
 * field parsing.
 */
int
keynote_evaluate_authorizer(struct assertion *as, int flag)
{
    YY_BUFFER_STATE authorizer_state;
    int err;

    if (keynote_lex_init() != RESULT_TRUE)
      return -1;

    keynote_init_list = as->as_env;
    keynote_justrecord = 1;
    keynote_used_variable = 0;

    if ((flag) && (as->as_authorizer != (void *) NULL))
    {
	keynote_free_key(as->as_authorizer, as->as_signeralgorithm);
	as->as_authorizer = (void *) NULL;
    }

    if (flag)
      authorizer_state = kn_scan_bytes(as->as_authorizer_string_s,
				       as->as_authorizer_string_e -
				       as->as_authorizer_string_s);
    else
      authorizer_state = kn_scan_bytes(as->as_signature_string_s,
				       as->as_signature_string_e -
				       as->as_signature_string_s);

    BEGIN(SIGNERINIT);
    if (flag)
      first_tok = SIGNERKEY;
    else
      first_tok = SIGNATUREENTRY;

    err = knparse();
    if ((err != 0) && (keynote_errno == 0))
      keynote_errno = ERROR_SYNTAX;

    kn_delete_buffer(authorizer_state);
    keynote_lex_zap();

    keynote_justrecord = 0;
    keynote_init_list = (struct environment *) NULL;
    keynote_returnvalue = 0;

    if (keynote_keypred_keylist != (struct keylist *) NULL)
    {
	if (flag)
	{
	    if (keynote_used_variable)
	      as->as_internalflags |= ASSERT_IFLAG_WEIRDAUTH;

	    as->as_authorizer = keynote_keypred_keylist->key_key;
	    as->as_signeralgorithm = keynote_keypred_keylist->key_alg;
	}
	else
	{
	    if (keynote_used_variable)
	      as->as_internalflags |= ASSERT_IFLAG_WEIRDSIG;

	    as->as_signature = keynote_keypred_keylist->key_key;
	}
	
	keynote_keypred_keylist->key_key = (char *) NULL;
	keynote_keylist_free(keynote_keypred_keylist);
	keynote_keypred_keylist = (struct keylist *) NULL;
    }

    keynote_used_variable = 0;

    if (keynote_errno != 0)
      return -1;
    else
      return RESULT_TRUE;
}

/*
 * Exportable front-end to keynote_get_private_key().
 */
char *
kn_get_string(char *buf)
{
    return keynote_get_private_key(buf);
}

/*
 * Parse a private key -- actually, it can deal with any kind of string.
 */
char *
keynote_get_private_key(char *buf)
{
    YY_BUFFER_STATE pkey;
    char *s;
    int err;

    if (keynote_lex_init() != RESULT_TRUE)
      return (char *) NULL;

    keynote_privkey = (char *) NULL;
    pkey = kn_scan_bytes(buf, strlen(buf));
    first_tok = PRIVATEKEY;
    err = knparse();
    kn_delete_buffer(pkey);
    keynote_lex_zap();

    if (err != 0)
    {
	if (keynote_privkey != (char *) NULL)
	{
	    free(keynote_privkey);
	    keynote_privkey = (char *) NULL;
	}

	if (keynote_errno == 0)
	  keynote_errno = ERROR_SYNTAX;

	return (char *) NULL;
    }

    s = keynote_privkey;
    keynote_privkey = (char *) NULL;
    return s;
}

/*
 * Parse Local-Constants and KeyNote-Version fields.
 */
struct environment *
keynote_get_envlist(char *buf, char *bufend, int whichfield)
{
    struct environment *en = (struct environment *) NULL;
    YY_BUFFER_STATE localinit_state;
    int err;

    if (keynote_lex_init() != RESULT_TRUE)
      return (struct environment *) NULL;

    localinit_state = kn_scan_bytes(buf, bufend - buf);
    if (whichfield == 0)
    {
	BEGIN(LOCALINIT);	/* We're doing Local-Constants parsing */
	first_tok = LOCINI;
    }
    else
    {
	BEGIN(KEYNOTEVERSION);	/* KeyNote-Version parsing */
      	first_tok = KNVERSION;
    }

    err = knparse();
    if (err != 0)
      if (keynote_errno == 0)
	keynote_errno = ERROR_SYNTAX;

    kn_delete_buffer(localinit_state);
    keynote_lex_zap();

    if (!whichfield)
    {
	if (keynote_errno != 0)
	  keynote_env_cleanup(&keynote_init_list, 1);
	else
	  en = keynote_init_list;

    	keynote_init_list = (struct environment *) NULL;
    }

    /* Avoid compiler (-Wall) warnings. Never reached. */
    if (0)
    {
	yyunput(0, NULL);
	yy_flex_realloc(0, NULL);
    }

    return en;
}