flex.c

Linux下VB解释器

/* Scanner skeleton version:
 * $Header: /home/daffy/u0/vern/flex/RCS/flex.skl,v 2.91 96/09/10 16:58:48 vern 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>

/* 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)


#define YY_USES_REJECT

#define yywrap() 1
#define YY_SKIP_YYWRAP
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; \
	yytext_ptr -= yy_more_len; \
	yyleng = (int) (yy_cp - yytext_ptr); \
	yy_hold_char = *yy_cp; \
	*yy_cp = '\0'; \
	yy_c_buf_p = yy_cp;

#define YY_NUM_RULES 208
#define YY_END_OF_BUFFER 209
static yyconst short int yy_acclist[889] = { 0,
  16386, 4, 4, 209, 207, 208, 1, 207, 208, 7,
  208, 196, 207, 208, 207, 208, 197, 207, 208, 197,
  207, 208, 197, 199, 207, 208, 197, 207, 208, 198,
  199, 207, 208, 8, 197, 207, 208, 194, 207, 208,
  193, 207, 208, 195, 207, 208, 79, 207, 208, 174,
  207, 208, 188, 207, 208, 204, 207, 208, 204, 207,
  208, 204, 207, 208, 204, 207, 208, 204, 207, 208,
  204, 207, 208, 204, 207, 208, 204, 207, 208, 204,
  207, 208, 204, 207, 208, 204, 207, 208, 204, 207,
  208, 204, 207, 208, 204, 207, 208, 204, 207, 208,

  204, 207, 208, 204, 207, 208, 204, 207, 208, 204,
  207, 208, 204, 207, 208, 204, 207, 208, 204, 207,
  208, 1, 207, 208, 16386, 207, 208, 207, 208, 8194,
  198, 199, 207, 208, 208, 3, 208, 4, 208, 5,
  208, 208, 15, 208, 1, 6, 206, 206, 189, 199,
  10, 199, 198, 199, 191, 190, 192, 205, 204, 204,
  204, 204, 204, 42, 204, 173, 204, 204, 204, 204,
  204, 204, 204, 204, 204, 204, 204, 204, 204, 204,
  204, 40, 204, 204, 204, 204, 204, 204, 204, 204,
  67, 204, 204, 204, 204, 204, 204, 204, 61, 204,

  204, 204, 204, 204, 204, 204, 204, 204, 204, 204,
  204, 204, 204, 57, 204, 204, 90, 204, 204, 204,
  200, 204, 204, 204, 204, 204, 204, 204, 204, 204,
  204, 204, 204, 204, 204, 204, 204, 204, 204, 204,
  204, 204, 204, 204, 41, 204, 204, 204, 204, 204,
  204, 204, 204, 204, 204, 204, 204, 1, 16386, 8194,
  17, 18, 8194, 198, 199, 3, 4, 14, 199, 10,
  204, 141, 204, 204, 89, 204, 204, 169, 204, 204,
  204, 204, 204, 204, 204, 204, 108, 204, 204, 204,
  204, 204, 204, 204, 204, 204, 204, 131, 204, 204,

  204, 172, 204, 204, 82, 204, 16, 204, 97, 204,
  204, 84, 204, 159, 204, 92, 204, 204, 204, 204,
  204, 135, 204, 204, 204, 34, 204, 204, 204, 204,
  204, 204, 204, 204, 204, 204, 204, 139, 204, 204,
  204, 157, 204, 123, 204, 204, 204, 136, 204, 204,
  204, 204, 146, 204, 204, 145, 204, 143, 204, 204,
  117, 204, 204, 91, 204, 204, 204, 204, 204, 204,
  204, 204, 204, 144, 204, 204, 204, 204, 12, 204,
  204, 204, 204, 204, 204, 204, 204, 204, 204, 204,
  142, 204, 129, 204, 204, 204, 138, 204, 204, 204,

  204, 53, 204, 204, 204, 133, 204, 204, 204, 204,
  204, 204, 204, 204, 204, 204, 204, 158, 204, 204,
  204, 204, 204, 204, 93, 204, 14, 204, 132, 204,
  204, 130, 204, 134, 204, 204, 122, 204, 121, 204,
  171, 205, 128, 204, 204, 204, 37, 204, 168, 205,
  204, 204, 204, 204, 204, 204, 204, 87, 204, 204,
  204, 16, 16, 204, 63, 204, 204, 204, 204, 204,
  204, 85, 204, 204, 204, 103, 204, 140, 204, 204,
  204, 187, 204, 204, 51, 204, 170, 205, 204, 204,
  204, 204, 204, 204, 204, 98, 204, 204, 39, 204,

  204, 204, 149, 205, 204, 46, 204, 204, 68, 204,
  204, 204, 180, 204, 182, 204, 204, 204, 204, 86,
  204, 107, 204, 204, 9, 11, 204, 204, 204, 204,
  204, 204, 204, 204, 204, 70, 204, 204, 204, 137,
  204, 204, 45, 204, 160, 205, 204, 204, 204, 71,
  204, 105, 204, 62, 204, 204, 204, 204, 204, 202,
  204, 204, 204, 204, 118, 204, 48, 204, 204, 204,
  204, 14, 204, 204, 204, 35, 204, 204, 102, 204,
  69, 204, 75, 204, 204, 204, 204, 99, 204, 178,
  205, 204, 16, 16, 204, 204, 64, 204, 66, 204,

  33, 204, 201, 204, 204, 204, 203, 204, 204, 204,
  204, 52, 204, 204, 204, 80, 204, 155, 204, 204,
  60, 204, 147, 205, 55, 204, 204, 204, 204, 204,
  204, 119, 204, 181, 205, 72, 204, 204, 204, 204,
  204, 83, 204, 9, 9, 204, 204, 204, 204, 204,
  204, 204, 204, 204, 120, 204, 185, 204, 204, 204,
  204, 204, 179, 205, 183, 204, 204, 154, 205, 50,
  204, 204, 73, 204, 47, 204, 204, 204, 14, 204,
  204, 204, 204, 110, 204, 100, 204, 76, 204, 204,
  204, 204, 204, 65, 204, 24, 25, 204, 32, 204,

  104, 204, 204, 204, 13, 204, 161, 205, 204, 150,
  205, 152, 205, 164, 204, 204, 162, 204, 163, 204,
  204, 95, 204, 204, 111, 204, 204, 204, 204, 49,
  204, 204, 81, 204, 204, 148, 205, 156, 204, 153,
  205, 204, 175, 204, 186, 205, 56, 204, 204, 36,
  204, 177, 204, 184, 205, 204, 151, 205, 94, 204,
  204, 204, 204, 204, 109, 204, 112, 205, 21, 204,
  204, 38, 204, 204, 23, 19, 204, 114, 205, 204,
  204, 204, 204, 204, 96, 204, 204, 43, 204, 204,
  88, 204, 74, 204, 204, 204, 176, 205, 204, 44,

  204, 124, 204, 204, 204, 113, 205, 59, 204, 204,
  20, 205, 204, 204, 204, 166, 204, 127, 204, 204,
  204, 204, 204, 101, 204, 204, 126, 204, 77, 204,
  204, 204, 26, 27, 204, 58, 204, 204, 204, 127,
  204, 115, 204, 106, 204, 204, 204, 204, 78, 204,
  204, 28, 29, 116, 205, 204, 204, 127, 204, 54,
  204, 204, 204, 30, 31, 165, 204, 204, 204, 204,
  204, 204, 204, 204, 16, 204, 167, 204, 204, 125,
  204, 204, 204, 204, 204, 204, 22, 204
};

static yyconst short int yy_accept[669] = { 0,
  1, 1, 2, 2, 2, 3, 4, 4, 4, 4,
  4, 5, 7, 10, 12, 15, 17, 20, 23, 27,
  30, 34, 38, 41, 44, 47, 50, 53, 56, 59,
  62, 65, 68, 71, 74, 77, 80, 83, 86, 89,
  92, 95, 98, 101, 104, 107, 110, 113, 116, 119,
  122, 126, 128, 130, 135, 136, 138, 140, 142, 143,
  145, 146, 147, 147, 148, 149, 150, 151, 151, 152,
  153, 155, 156, 157, 158, 159, 159, 160, 161, 162,
  163, 164, 166, 168, 169, 170, 171, 172, 173, 174,
  175, 176, 177, 178, 179, 180, 181, 182, 184, 185,

  186, 187, 188, 189, 190, 191, 193, 194, 195, 196,
  197, 198, 199, 201, 202, 203, 204, 205, 206, 207,
  208, 209, 210, 211, 212, 213, 214, 216, 217, 219,
  220, 221, 223, 224, 225, 226, 227, 228, 229, 230,
  231, 232, 233, 234, 235, 236, 237, 238, 239, 240,