goomsl_lex.c

来自「linux下的MPEG1」· C语言 代码 · 共 2,109 行 · 第 1/4 页

#line 2 "goomsl_lex.c"

#line 4 "goomsl_lex.c"

#define  YY_INT_ALIGNED short int

/* A lexical scanner generated by flex */

#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5
#define YY_FLEX_SUBMINOR_VERSION 31
#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
#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;
#endif /* ! C99 */

/* 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 /* ! FLEXINT_H */

#ifdef __cplusplus

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

#else	/* ! __cplusplus */

#if __STDC__

#define YY_USE_CONST

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

#ifdef YY_USE_CONST
#define yyconst const
#else
#define yyconst
#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. */
#ifndef YY_BUF_SIZE
#define YY_BUF_SIZE 16384
#endif

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

extern int yyleng;

extern FILE *yyin, *yyout;

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

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

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

/* 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).
 */

#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
typedef unsigned int yy_size_t;
#endif

#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.
	 */
	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;

    int yy_bs_lineno; /**< The line count. */
    int yy_bs_column; /**< The column count. */
    
	/* Whether to try to fill the input buffer when we reach the
	 * end of it.
	 */
	int yy_fill_buffer;

	int yy_buffer_status;

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

	};
#endif /* !YY_STRUCT_YY_BUFFER_STATE */

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

/* We provide macros for accessing buffer states in case in the
 * future we want to put the buffer states in a more general
 * "scanner state".
 *
 * Returns the top of the stack, or NULL.
 */
#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
                          ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
                          : NULL)

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

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

/* Points to current character in buffer. */
static char *yy_c_buf_p = (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 (FILE *input_file  );
void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer  );
YY_BUFFER_STATE yy_create_buffer (FILE *file,int size  );
void yy_delete_buffer (YY_BUFFER_STATE b  );
void yy_flush_buffer (YY_BUFFER_STATE b  );
void yypush_buffer_state (YY_BUFFER_STATE new_buffer  );
void yypop_buffer_state (void );

static void yyensure_buffer_stack (void );
static void yy_load_buffer_state (void );
static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file  );

#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER )

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

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

#define yy_new_buffer yy_create_buffer

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

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

#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

/* Begin user sect3 */

typedef unsigned char YY_CHAR;

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

typedef int yy_state_type;

#define YY_FLEX_LEX_COMPAT
extern int yylineno;

int yylineno = 1;

extern char yytext[];

static yy_state_type yy_get_previous_state (void );
static yy_state_type yy_try_NUL_trans (yy_state_type current_state  );
static int yy_get_next_buffer (void );
static void yy_fatal_error (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 = (size_t) (yy_cp - yy_bp); \
	(yy_hold_char) = *yy_cp; \
	*yy_cp = '\0'; \
	if ( yyleng + (yy_more_offset) >= YYLMAX ) \
		YY_FATAL_ERROR( "token too large, exceeds YYLMAX" ); \
	yy_flex_strncpy( &yytext[(yy_more_offset)], (yytext_ptr), yyleng + 1 ); \
	yyleng += (yy_more_offset); \
	(yy_prev_more_offset) = (yy_more_offset); \
	(yy_more_offset) = 0; \
	(yy_c_buf_p) = yy_cp;

#define YY_NUM_RULES 49
#define YY_END_OF_BUFFER 50
/* 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[214] =
    {   0,
       50,   48,   49,   47,   48,   49,    4,   49,   48,   49,
       13,   48,   49,   10,   48,   49,   33,   48,   49,   48,
       49,   48,   49,   48,   49,   48,   49,   48,   49,   34,
       48,   49,   34,   48,   49,   48,   49,   48,   49,   33,
       48,   49,   33,   48,   49,   33,   48,   49,   33,   48,
       49,   33,   48,   49,   33,   48,   49,   33,   48,   49,
       33,   48,   49,   33,   48,   49,   33,   48,   49,   47,
       48,   49,    1,    4,   49,   48,   49,    7,   49,    6,
       49,    7,   49,    7,   49,    1,    6,   49,    7,   49,
        3,   49,    1,    3,   49,   17,   49,   49,   16,   17,

       49,   17,   49,   47,   45,   10,   10,   10,   33,   40,
       39,   41,   11,   12,   42,   38,   37,   34,   43,   46,
       44,   33,   33,   28,   33,   33,   33,   33,   33,   30,
       33,   33,   33,   33,   33,   33,   47,    1,   12,    5,
       15,   14,   10,   10,   35,   37,   36,   33,   33,   33,
       33,   33,   29,   33,   19,   33,   26,   33,   21,   33,
       33,   33,   33,    2,   10,   10,   33,   33,   33,   33,
       33,   33,   33,   31,   33,   33,   10,   10,   33,   33,
       33,   32,   33,   18,   33,   33,   33,   27,   33,   10,
       10,   33,   33,   33,   22,   33,   25,   33,   10,    9,

       10,   10,   20,   33,   23,   33,   33,   10,   24,   33,
       10,    8,   10
    } ;

static yyconst flex_int16_t yy_accept[152] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    2,
        4,    7,    9,   11,   14,   17,   20,   22,   24,   26,
       28,   30,   33,   36,   38,   40,   43,   46,   49,   52,
       55,   58,   61,   64,   67,   70,   73,   76,   78,   80,
       82,   84,   86,   89,   91,   93,   96,   98,   99,  102,
      104,  105,  106,  107,  108,  109,  110,  110,  111,  112,
      113,  114,  115,  116,  117,  118,  119,  119,  120,  121,
      122,  123,  124,  126,  127,  128,  129,  130,  132,  133,
      134,  135,  136,  137,  138,  139,  139,  140,  141,  141,
      141,  142,  143,  144,  145,  146,  147,  148,  149,  150,

      151,  152,  153,  155,  157,  159,  161,  162,  163,  164,
      164,  165,  166,  167,  168,  169,  170,  171,  172,  173,
      174,  176,  177,  178,  179,  180,  181,  182,  184,  186,
      187,  188,  190,  191,  192,  193,  194,  195,  197,  199,
      200,  202,  203,  205,  207,  208,  209,  211,  212,  214,
      214
    } ;

static yyconst flex_int32_t 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,    4,    5,    6,    7,    1,    8,    9,   10,    1,
        1,   11,   12,    1,   13,   14,   15,   16,   17,   17,
       17,   17,   17,   17,   17,   17,   17,    1,    1,   18,
       19,   20,    1,    9,   21,   21,   21,   21,   22,   23,
       21,   21,   24,   21,   21,   25,   21,   26,   21,   21,
       21,   27,   28,   29,   21,   21,   21,   21,   21,   21,
        1,   30,    1,    1,   31,    1,   32,   33,   34,   35,

       36,   37,   38,   39,   40,   21,   21,   41,   21,   42,
       43,   44,   21,   45,   46,   47,   48,   21,   49,   50,
       21,   21,    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,    1,    1
    } ;

static yyconst flex_int32_t yy_meta[51] =
    {   0,
        1,    1,    2,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    3,    1,    4,    4,    1,    1,    1,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    1,
        3,    4,    4,    4,    4,    4,    4,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3
    } ;

static yyconst flex_int16_t yy_base[159] =
    {   0,
        0,   49,   51,   54,  221,   57,   60,   64,  223,  225,
       69,  225,  203,  225,   51,    0,    0,  202,  201,  200,
       64,   68,   72,   72,  199,  174,   57,  166,   55,  173,
      171,  166,  165,  166,  171,   99,  225,   93,  225,  225,
      194,  107,  225,  193,  225,  225,  225,  225,  225,   71,
       93,  225,    0,  183,  178,    0,  195,  225,  225,  225,
      225,  225,  225,  225,   89,  107,    0,  225,  225,  225,
      161,  169,    0,  155,  160,  157,  154,  151,  150,  151,
      150,  146,  153,  123,  225,  177,  188,  225,  126,  187,
      225,  225,  164,  159,  225,  100,    0,  146,  145,  149,

      138,  151,    0,    0,    0,    0,   59,  146,  140,  177,
      225,  157,  147,  141,  144,  130,  138,  126,  130,  137,
        0,  134,  165,  143,  133,  112,  109,    0,    0,  102,
       92,    0,  130,  112,   93,   98,  101,    0,    0,  125,
      124,   94,    0,    0,   78,   59,    0,   61,    0,  225,
      141,  145,  149,  151,  155,   51,  159,  163
    } ;

static yyconst flex_int16_t yy_def[159] =
    {   0,
      150,    1,  151,  151,  151,  151,  152,  152,  150,  150,
      150,  150,  150,  150,  153,  154,  155,  150,  150,  150,
      150,  150,  150,  150,  150,  154,  154,  154,  154,  154,
      154,  154,  154,  154,  154,  150,  150,  150,  150,  150,
      150,  150,  150,  150,  150,  150,  150,  150,  150,  150,
      150,  150,  153,  153,  153,  154,  150,  150,  150,  150,
      150,  150,  150,  150,  150,  150,  156,  150,  150,  150,
      154,  154,  154,  154,  154,  154,  154,  154,  154,  154,
      154,  154,  154,  150,  150,  150,  157,  150,  150,  157,
      150,  150,  153,  153,  150,  150,  156,  154,  154,  154,

      154,  154,  154,  154,  154,  154,  154,  154,  154,  157,
      150,  153,  153,  154,  154,  154,  154,  154,  154,  154,
      154,  154,  153,  153,  154,  154,  154,  154,  154,  154,
      154,  154,  158,  153,  154,  154,  154,  154,  154,  158,
      158,  153,  154,  154,  154,  153,  154,  153,  153,    0,
      150,  150,  150,  150,  150,  150,  150,  150
    } ;

static yyconst flex_int16_t yy_nxt[276] =
    {   0,
       10,   11,   12,   11,   13,   14,   15,   10,   16,   17,
       18,   19,   20,   10,   21,   22,   23,   24,   10,   25,
       16,   16,   16,   16,   16,   16,   16,   16,   16,   10,
       16,   16,   26,   16,   27,   28,   29,   16,   16,   30,
       16,   31,   16,   32,   16,   33,   34,   16,   35,   16,
       36,   37,   36,   40,   97,   42,   43,   42,   42,   46,
       42,   41,   48,   38,   41,   49,   48,  149,   44,   49,
       51,   44,   51,   54,   61,   64,   91,   55,   62,   64,
      148,   65,   63,   66,   66,   65,   75,   66,   66,   50,
       68,   69,   72,   50,   51,   76,   51,   77,  119,   73,

       84,   85,   84,   61,   96,   96,  120,   87,   89,   85,