snaplex.c

一个学习SNMP项目：tmoerlan.

/* A lexical scanner generated by flex */

/* Scanner skeleton version:
 * $Header: /cvsroot/studprojects/tmoerlan/snap/utils/snaplex.c,v 1.2 2003/09/17 11:26:10 tmoerlan Exp $
 * $FreeBSD: src/usr.bin/lex/flex.skl,v 1.7 2002/09/09 02:58:42 obrien Exp $
 */

#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5

#include <stdio.h>


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


#ifdef __cplusplus

#include <stdlib.h>
#include <unistd.h>

/* Use prototypes in function declarations. */
#define YY_USE_PROTOS

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

#else	/* ! __cplusplus */

#if __STDC__

#define YY_USE_PROTOS
#define YY_USE_CONST

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

#ifdef __TURBOC__
 #pragma warn -rch
 #pragma warn -use
#include <io.h>
#include <stdlib.h>
#define YY_USE_CONST
#define YY_USE_PROTOS
#endif

#ifdef YY_USE_CONST
#define yyconst const
#else
#define yyconst
#endif


#ifdef YY_USE_PROTOS
#define YY_PROTO(proto) proto
#else
#define YY_PROTO(proto) ()
#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 yyrestart( yyin )

#define YY_END_OF_BUFFER_CHAR 0

/* Size of default input buffer. */
#define YY_BUF_SIZE 16384

typedef struct yy_buffer_state *YY_BUFFER_STATE;

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

/* The funky do-while in the following #define is used to turn the definition
 * int a single C statement (which needs a semi-colon terminator).  This
 * avoids problems with code like:
 *
 * 	if ( condition_holds )
 *		yyless( 5 );
 *	else
 *		do_something_else();
 *
 * Prior to using the do-while the compiler would get upset at the
 * "else" because it interpreted the "if" statement as being all
 * done when it reached the ';' after the yyless() call.
 */

/* Return all but the first 'n' matched characters back to the input stream. */

#define yyless(n) \
	do \
		{ \
		/* Undo effects of setting up yytext. */ \
		*yy_cp = yy_hold_char; \
		YY_RESTORE_YY_MORE_OFFSET \
		yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
		} \
	while ( 0 )

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

/* The following is because we cannot portably get our hands on size_t
 * (without autoconf's help, which isn't available because we want
 * flex-generated scanners to compile on their own).
 */
typedef unsigned int yy_size_t;


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.
	 */
	yy_size_t 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;

	/* 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
	};

static YY_BUFFER_STATE yy_current_buffer = 0;

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


/* yy_hold_char holds the character lost when yytext is formed. */
static 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 = (char *) 0;
static int yy_init = 1;		/* whether we need to initialize */
static int yy_start = 0;	/* start state number */

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

void yyrestart YY_PROTO(( FILE *input_file ));

void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
void yy_load_buffer_state YY_PROTO(( void ));
YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )

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

static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
static void yy_flex_free YY_PROTO(( void * ));

#define yy_new_buffer yy_create_buffer

#define yy_set_interactive(is_interactive) \
	{ \
	if ( ! yy_current_buffer ) \
		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
	yy_current_buffer->yy_is_interactive = is_interactive; \
	}

#define yy_set_bol(at_bol) \
	{ \
	if ( ! yy_current_buffer ) \
		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
	yy_current_buffer->yy_at_bol = at_bol; \
	}

#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)

typedef unsigned char YY_CHAR;
FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
typedef int yy_state_type;
extern char *yytext;
#define yytext_ptr yytext

static yy_state_type yy_get_previous_state YY_PROTO(( void ));
static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
static int yy_get_next_buffer YY_PROTO(( void ));
static void yy_fatal_error YY_PROTO(( yyconst 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 102
#define YY_END_OF_BUFFER 103
static yyconst short int yy_accept[468] =
    {   0,
        0,    0,  103,  102,    1,  102,  102,   89,   90,   87,
       91,   88,  102,   95,  102,  102,  102,  102,  102,  102,
      102,  102,  102,  102,  102,  102,  102,  102,  102,  102,
      102,  102,  102,  100,  100,  100,  100,  100,  100,  100,
      100,  100,  100,  100,  100,  100,  100,  100,  100,  100,
      100,  100,  102,    1,    0,   98,    0,    0,    0,   95,
       96,    0,   95,   97,    0,    2,    0,    0,    0,    0,
        0,    0,    0,    0,    0,    0,   10,    0,    0,    0,
        0,   69,    0,    0,    0,   13,    0,    0,    0,   71,
        0,    0,    0,    0,    0,    0,   34,    0,   61,    0,

        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
        0,    0,  100,  101,  100,  100,  100,  100,  100,  100,
      100,  100,  100,  100,   10,  100,  100,  100,   69,  100,
      100,  100,   13,  100,  100,  100,   71,  100,  100,  100,
      100,  100,  100,  100,   34,  100,   61,  100,  100,  100,
      100,  100,  100,  100,  100,  100,  100,  100,  100,  100,
        0,    0,    0,   96,   19,   32,    0,   16,   17,    0,
        0,    0,   25,    0,    9,    0,   99,    0,   68,    0,
       73,    0,   55,    0,    0,   45,   64,   70,    0,    0,
       75,    0,   27,    0,   28,   12,   29,   63,   33,   14,

        6,    0,    0,    0,    0,    0,    0,    0,    0,    0,
        0,    0,    0,   21,    0,    0,   19,   32,  100,   16,
       17,  100,  100,  100,   25,  100,    9,  100,  100,   68,
      100,   73,  100,   55,  100,  100,   45,   64,   70,  100,
      100,   75,  100,   27,  100,  100,   28,   12,   29,   63,
       33,   14,    6,  100,  100,  100,  100,  100,  100,  100,
      100,  100,  100,  100,  100,   21,  100,  100,   94,    0,
        0,    0,   18,   31,    0,    0,    0,    0,   24,    0,
        3,   56,   72,    0,    0,    0,    0,   50,    0,    0,
       74,   30,   36,    0,   26,   23,   11,    5,    0,    7,

        4,    0,    0,   40,   38,    0,   54,    0,   42,    0,
        0,   20,   66,   15,   18,   31,  100,  100,  100,  100,
       24,  100,    3,   56,   72,  100,  100,  100,  100,   50,
      100,  100,   74,   30,   36,  100,   26,   23,  100,   11,
        5,  100,    7,    4,  100,  100,   40,   38,  100,   54,
      100,   42,  100,  100,   20,   66,   15,   79,    0,   44,
       67,   59,   81,   80,    0,    0,   76,   46,    0,    0,
        0,   65,   35,   62,   22,   60,    0,    0,   52,   39,
       37,   53,   77,   41,    0,    8,   44,   67,   59,   81,
       80,  100,  100,   76,   46,  100,  100,  100,   65,   35,

       62,   22,   86,   60,  100,  100,   52,   39,   37,   53,
       77,   41,  100,    8,    0,   43,   58,    0,   57,   48,
       49,   47,   51,    0,   78,    0,    0,   43,   58,  100,
       57,   48,   49,   47,   51,  100,   78,  100,  100,   92,
       82,    0,    0,    0,   82,  100,  100,  100,    0,    0,
        0,    0,  100,  100,  100,   93,   85,    0,    0,   85,
      100,  100,   84,   83,   84,   83,    0
    } ;

static yyconst int yy_ec[256] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    2,    1,    4,    5,    1,    1,    1,    1,    6,
        7,    1,    8,    9,   10,   11,    1,   12,   12,   12,
       12,   12,   12,   12,   12,   12,   12,   13,   14,    1,
        1,    1,    1,    1,   15,   16,   17,   18,   19,   20,
       21,   22,   23,   24,   25,   26,   27,   28,   29,   30,
       31,   32,   33,   34,   35,   36,   37,   38,   39,   40,
        1,   41,    1,    1,   42,    1,   43,   44,   45,   46,

       47,   48,   49,   50,   51,   52,   53,   54,   55,   56,
       57,   58,   59,   60,   61,   62,   63,   64,   65,   66,
       67,   68,    1,   69,    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,    1,    1
    } ;

static yyconst int yy_meta[70] =
    {   0,
        1,    1,    2,    1,    1,    1,    1,    1,    1,    1,
        1,    3,    3,    1,    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,
        1,    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,    1
    } ;

static yyconst short int yy_base[471] =
    {   0,
        0,    0, 1104, 1105,   68,   68,   55, 1105, 1105, 1105,
     1105,   63, 1091,   65, 1099,   60,   63,   64,   64,   54,
       57,   70,   74,   57,   71,  105,  101,  108,   63,  128,
      147,  158,   98,  122,  170,  131,  183,  169,  140,  199,
      182,  166,  200, 1088,  219,  229,  236,  211,  286,  276,
      337,  227, 1088,   96,  143, 1105,  272,  226, 1087,  137,
     1086, 1085,  225, 1105, 1093, 1105,  227,  232,  244,  222,
      248,  242,  247,  250,  258,  278,  285,  288, 1083,  280,
      283,  297,  291,  294,  319, 1105,  299,  297,  313,  324,
      325,  342,  335,  343,  328,  344,  344,  344, 1105,  340,

      353,  353,  354,  343,  358,  364,  363,  364,  388,  393,
      395,  398, 1077, 1105,  402,  403,  409,  410,  413,  416,
      417,  405,  415,  414,  423,  430,  422,  425,  434,  426,
      450,  454, 1074,  462,  442,  451,  482,  455,  478,  481,
      121,  498,  464,  484,  487,  489, 1073,  501,  499,  510,
      502,  514,  515,  526,  517,  527,  539,  542,  543,  548,
       90, 1073,  508,  454,  525,  539,  533, 1105, 1105,  541,
      534,  543,  555,  552, 1105,  547, 1072,  546,  561,  567,
     1105,  568, 1105,  570,  557, 1105, 1105,  575,  567,  576,
     1105,  569,  582,  573, 1105,  587, 1105, 1105, 1105, 1105,

      591,  588,  592,  597,  589,  589,  610,  605,  613,  596,
      603,  622,  608,  618,  607,  621,  635,  643,  641, 1070,
     1068,  644,  642,  647,  659,  648, 1067,  650,  662,  665,
      682, 1066,  670, 1065,  672,  668, 1064, 1063,  667,  679,
      680, 1061,  674,  688,  710,  250, 1060,  707, 1059, 1058,
     1057, 1056,  709,  712,  720,  713,  716,  711,  735,  734,
      738,  741,  725,  749,  739,  742,  744,  751, 1105, 1056,
      752, 1055, 1105, 1105,  735,  737,  738,  745, 1105,  765,
     1105,  751, 1105,  753,  770,  774,  770, 1105,  759,  762,
     1105, 1105,  773,  771, 1105,  782, 1105, 1105,  772,  776,

     1105,  793,  796,  794,  798,  786, 1105,  801,  802,  801,
      808, 1105, 1105, 1105, 1053, 1051,  818,  823,  819,  822,
     1050,  826, 1049,  828, 1048,  825,  829,  847,  835, 1044,
      851,  848, 1043, 1039,  853,  858, 1038,  856, 1037, 1035,
     1031,  855,  861, 1030,  879,  883,  886,  887,  869, 1027,
      890,  895,  888,  901, 1026, 1025, 1023, 1105,  685,  874,
     1105,  892,  885, 1105,  892,  889, 1105, 1105,  890,  910,
      909, 1105, 1105, 1105, 1105, 1105,  895,  893, 1105, 1105,
     1105, 1105, 1105, 1105,  915, 1105,  922, 1022,  931,  929,
     1019,  937,  940,  926,  923,  945,  948,  951,  868,  864,

      860,  857, 1105,  833,  954,  958,  708,  636,  519,  496,
      490,  470,  959,  456,  332, 1105, 1105,  940, 1105, 1105,
     1105, 1105, 1105,  960, 1105,  948,  953,  291,  287,  955,
      275,  264,  243,  235,  212,  968,  206,  972,  973,  977,
     1105,  970,  957,  965,  197,  996,  986,  997,  163,  989,
      989,  984, 1006, 1009, 1013,  139, 1105,  991,  991,  128,
     1020, 1021, 1105, 1105,  116,   92, 1105, 1088, 1091,   78
    } ;

static yyconst short int yy_def[471] =
    {   0,
      467,    1,  467,  467,  467,  468,  467,  467,  467,  467,
      467,  467,  467,  467,  469,  467,  467,  467,  467,  467,
      467,  467,  467,  467,  467,  467,  467,  467,  467,  467,
      467,  467,  467,  470,  470,  470,  470,  470,  470,  470,
      470,  470,  470,  470,  470,  470,  470,  470,  470,  470,
      470,  470,  467,  467,  468,  467,  467,  467,  467,  467,
      467,  467,  467,  467,  469,  467,  467,  467,  467,  467,
      467,  467,  467,  467,  467,  467,  467,  467,  467,  467,
      467,  467,  467,  467,  467,  467,  467,  467,  467,  467,