rclex.c

来自「基于4个mips核的noc设计」· C语言 代码 · 共 2,490 行 · 第 1/5 页

/* A lexical scanner generated by flex */

/* Scanner skeleton version:
 * $Header: /cvs/src/src/binutils/Attic/rclex.c,v 1.1.4.2 2001/06/10 15:37:28 pb 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 86
#define YY_END_OF_BUFFER 87
static yyconst short int yy_accept[470] =
    {   0,
        0,    0,   87,   85,   84,   83,   85,   78,   80,   82,
       82,   82,   82,   82,   82,   82,   82,   82,   82,   82,
       82,   82,   82,   82,   82,   82,   82,    2,    4,   84,
        0,   81,   78,   80,   79,   82,   82,   82,   82,   82,
       82,   82,   82,   82,   82,   82,   82,   82,   82,   82,
       82,   82,   82,   82,   82,   82,   82,   82,   82,   82,
       82,   82,   82,   82,   82,   82,   82,   82,   82,   82,
       82,   82,   82,   82,   82,   82,   82,   82,   82,   82,
       82,   82,   82,   81,    0,   82,   11,   82,   82,   82,
       82,   82,   82,   82,   82,   82,   82,   82,   82,   82,

       82,   82,   82,   82,   82,    3,   82,   82,   82,   82,
       82,   82,   82,   82,   82,   82,   82,   82,   82,   82,
       82,   82,   82,   82,   82,   82,   76,   82,   82,   82,
       82,   82,   82,   82,   82,   82,   82,   82,   82,   82,
       82,   82,   82,   82,   82,   82,   82,   82,   82,   82,
       82,   82,   82,   82,   82,   82,   82,   82,   82,   82,
       82,   82,   82,   82,   82,   82,   82,   41,   82,   82,
       82,   53,   42,   82,   82,   82,   82,   82,   82,   82,
       46,   82,   82,   82,   82,   82,   82,   71,   82,   82,
       82,   82,   82,   82,   82,   82,   82,   82,   82,   82,

       82,   82,   82,    7,   82,   82,   82,   38,    1,   82,
       82,   82,   82,   82,   18,   82,   82,   25,   82,   82,
       82,   82,   82,   82,   82,   82,   82,   82,   82,   70,
       82,   82,   39,   40,   82,   82,   82,   82,   82,   30,
       82,   82,   82,   82,   82,   82,   50,   82,   82,   82,
       82,   82,   34,   82,   82,    9,   82,   82,   19,   82,
       68,   82,   82,   82,   82,   82,   82,   12,    0,   82,
       82,   82,   82,   82,   82,   82,   13,   82,   14,   82,
       82,   82,   82,   65,   82,   82,   82,   52,   82,   72,
       82,   82,   82,   82,   82,   82,   47,   82,   82,   82,

       82,   82,   82,   82,   82,   82,   58,   82,   82,   36,
       82,   82,   82,   82,   82,   82,   82,   82,    0,   82,
        0,   77,   17,   82,   82,   51,   82,   10,   82,   82,
       82,   82,   16,   82,   82,   82,   82,   82,   82,   82,
       29,   82,   82,   82,   82,   82,   82,   82,   73,   82,
       31,   82,   82,   82,   82,   82,   82,   45,    6,   82,
       82,   82,   82,   77,   82,   23,   24,   82,   15,   82,
       27,   82,   82,   66,   82,   28,   54,   43,   82,   82,
       82,   48,   82,   69,    8,   82,   82,   82,   82,   82,
       82,   82,   82,   82,   82,   82,   82,   82,   82,   82,

       64,   82,   82,   82,   82,   56,   82,   82,   82,   82,
       35,   49,   82,   82,   82,   82,   20,   82,   82,   82,
       82,   82,   82,   82,   82,   74,   82,   82,   82,   32,
       82,   82,   37,   82,   82,   82,   82,   82,   82,   75,
       82,   67,   61,   82,   82,   82,   33,   59,   60,    5,
       21,   82,   82,   82,   82,   55,   57,   82,   82,   82,
       26,   63,   82,   82,   82,   62,   22,   44,    0
    } ;

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

       33,   33,   19,   19,   19,   19,   19,   19,   19,   19,
       19,   19,   19,   19,   19,   19,   19,   19,   19,   33,
       19,   19,   34,    1,   35,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    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[36] =
    {   0,
        1,    2,    3,    2,    1,    4,    2,    5,    5,    5,
        5,    5,    5,    5,    5,    1,    1,    1,    1,    1,
        5,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    5,    1,    1
    } ;

static yyconst short int yy_base[476] =
    {   0,
        0,    0,  515,  516,   34,  516,  509,    0,  492,   25,
       26,   45,   25,   28,   24,  486,  497,   49,    0,   40,
       43,  486,   51,   66,   67,  482,   35,  516,  516,   81,
      503,   84,    0,  486,  516,    0,  494,  477,  492,  475,
       74,  474,  477,  475,   46,  489,   69,  484,  471,  481,
       55,  477,  481,  466,   67,  469,   83,   83,  467,  477,
      464,  478,  464,  459,  475,  470,   74,  453,   81,  457,
       86,   76,  468,  467,  465,  452,  452,  458,   95,  461,
      453,  447,  446,  106,  466,  456,    0,  451,  444,  449,
      448,  443,  452,  435,  436,  449,  433,  448,  430,  426,

      429,  430,  433,  441,  424,    0,  423,  436,  435,  420,
      415,  417,  427,  419,  420,  424,  412,  428,  423,  410,
      424,  405,  406,  407,  419,  409,    0,  402,  409,  416,
      414,  410,  408,  415,  393,  399,  412,  406,  392,  401,
      397,  391,  387,  388,  386,  392,  394,  103,  383,  387,
      399,  388,  389,  396,  385,  377,  379,  376,  373,  376,
      370,  374,  387,  368,  363,   98,  381,    0,  379,  367,
      363,    0,    0,  362,  363,  360,  358,  375,  361,  356,
      105,  373,  372,  351,  355,  355,  349,    0,  366,  352,
      347,  346,  352,  346,  343,  356,  346,  354,  356,  352,

      347,  344,  349,    0,  335,  344,  350,    0,    0,  334,
      115,  334,  345,  119,    0,  345,  331,    0,  328,  326,
      336,  325,  336,  328,  327,  320,  317,  313,  330,    0,
      330,  331,    0,    0,  327,  322,  329,  314,  314,    0,
      114,  305,  307,  318,  322,  318,    0,  321,  318,  107,
      318,  318,    0,  306,  316,    0,  316,  308,    0,  294,
        0,  298,  307,  294,  291,  304,  304,    0,  132,  137,
      293,  287,  290,  300,  288,  290,    0,  293,  295,  295,
      276,  292,  295,    0,  293,  278,  276,    0,  277,    0,
      270,  283,  267,  285,  270,  281,    0,  280,  279,  271,

      265,  277,  261,  257,  259,  257,    0,  274,  256,    0,
      255,  254,  258,  248,  269,  268,  265,  258,  270,  143,
      269,  149,    0,  259,  241,    0,  240,    0,  259,  238,
      258,  239,    0,  250,  237,  250,  236,  231,  247,  246,
        0,  249,  247,  247,  234,  227,  240,  225,    0,  222,
        0,  223,  222,  239,  224,  237,  218,  227,    0,  216,
      215,  222,  217,  235,  213,    0,    0,  209,    0,  226,
        0,  209,  203,    0,  216,    0,    0,    0,  212,  206,
      211,    0,  220,    0,    0,  215,  204,  199,  200,  199,
      213,  199,  199,  197,  206,  208,  207,  199,  188,  194,

      192,  188,  188,  190,  196,    0,  198,  182,  184,  182,
        0,    0,  184,  181,  188,  176,    0,  177,  171,  172,
      170,  183,  186,  181,  171,    0,  183,  171,  164,    0,
      167,  175,    0,  164,  160,  155,  157,  156,  159,    0,
      155,    0,    0,  160,  165,  156,    0,    0,    0,    0,
        0,  141,  150,  141,  139,    0,    0,  128,  122,  126,
        0,    0,  109,   91,   79,    0,    0,    0,  516,  156,
      161,   65,  166,  171,  176
    } ;

static yyconst short int yy_def[476] =
    {   0,
      469,    1,  469,  469,  469,  469,  470,  471,  472,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  469,  469,  469,
      470,  469,  471,  472,  469,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  469,  470,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,

      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,

      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  469,  474,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,

      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  475,  474,
      475,  474,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  475,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,

      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,  473,  473,
      473,  473,  473,  473,  473,  473,  473,  473,    0,  469,
      469,  469,  469,  469,  469
    } ;

static yyconst short int yy_nxt[552] =
    {   0,
        4,    5,    6,    5,    7,    8,    4,    9,    9,   10,
       11,   12,   13,   14,   15,   16,   17,   18,   19,   19,
       20,   21,   22,   19,   23,   24,   25,   19,   26,   27,