yas-grammar.c

深入理解计算机系统 的lab

/* A lexical scanner generated by flex */

/* Scanner skeleton version:
 * $Header: /home/cvsroot2008/stu07302010037/lab4/sim/misc/yas-grammar.c,v 1.1.1.1 2009/03/11 01:57:44 root 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)


#define YY_USES_REJECT
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 15
#define YY_END_OF_BUFFER 16
static yyconst short int yy_acclist[281] =
    {   0,
       16,   13,   15,    5,   13,   15,    4,   15,    4,   15,
       13,   15,    6,   13,   15,   13,   15,   11,   13,   15,
       13,   15,   13,   15,   13,   15,    9,   13,   15,    9,
       13,   15,   12,   13,   15,   12,   13,   15,   12,   13,
       15,   12,   13,   15,   12,   13,   15,   12,   13,   15,
       12,   13,   15,   12,   13,   15,   12,   13,   15,   12,
       13,   15,   12,   13,   15,   12,   13,   15,   12,   13,
       15,   13,   15,    5,   13,   15,    1,    4,   15,    1,
        4,   15,   13,   15,    6,   13,   15,   13,   15,   11,
       13,   15,   13,   15,   13,   15,   13,   15,    9,   13,

       15,    9,   13,   15,   12,   13,   15,   12,   13,   15,
       12,   13,   15,   12,   13,   15,   12,   13,   15,   12,
       13,   15,   12,   13,   15,   12,   13,   15,   12,   13,
       15,   12,   13,   15,   12,   13,   15,   12,   13,   15,
       12,   13,   15,   15,   14,   15,   15,    5,    4,    4,
        2,    2,    6,    9,   12,   12,   12,   12,   12,   12,
       12,    7,   12,    7,   12,    7,   12,   12,   12,   12,
       12,   12,   12,   12,   12,   12,   12,   12,   12,    1,
        1,    5,    1,    4,    1,    4,    1,    2,    1,    2,
        6,    9,   12,   12,   12,   12,   12,   12,   12,    7,

       12,    7,   12,    7,   12,   12,   12,   12,   12,   12,
       12,   12,   12,   12,   12,   12,   12,   14,    3,    3,
       10,   12,   12,   12,   12,   12,   12,   12,   12,   12,
       12,   12,   12,   12,   12,    1,    3,    1,    3,   10,
       12,   12,   12,   12,   12,   12,   12,   12,   12,   12,
       12,   12,   12,   12,    8,    7,   12,   12,   12,   12,
       12,   12,   12,    8,    7,   12,   12,   12,   12,   12,
       12,   12,   12,   12,   12,   12,   12,   12,   12,   12
    } ;

static yyconst short int yy_accept[238] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    2,    4,    7,
        9,   11,   13,   16,   18,   21,   23,   25,   27,   30,
       33,   36,   39,   42,   45,   48,   51,   54,   57,   60,
       63,   66,   69,   72,   74,   77,   80,   83,   85,   88,
       90,   93,   95,   97,   99,  102,  105,  108,  111,  114,
      117,  120,  123,  126,  129,  132,  135,  138,  141,  144,
      145,  147,  148,  149,  150,  151,  151,  152,  153,  154,
      154,  155,  155,  155,  155,  155,  155,  155,  155,  156,
      157,  158,  159,  160,  161,  162,  164,  166,  168,  169,
      170,  171,  172,  173,  174,  175,  176,  177,  178,  179,

      180,  180,  181,  182,  183,  185,  187,  187,  189,  191,
      192,  192,  193,  193,  193,  193,  193,  193,  193,  193,
      194,  195,  196,  197,  198,  199,  200,  202,  204,  206,
      207,  208,  209,  210,  211,  212,  213,  214,  215,  216,
      217,  218,  218,  219,  219,  219,  219,  219,  219,  219,
      219,  219,  219,  219,  219,  220,  221,  222,  223,  224,
      225,  226,  227,  228,  229,  230,  231,  232,  233,  234,
      235,  236,  236,  236,  236,  236,  236,  236,  236,  236,
      236,  236,  236,  238,  240,  241,  242,  243,  244,  245,
      246,  247,  248,  249,  250,  251,  252,  253,  254,  255,

      256,  256,  256,  256,  257,  257,  258,  259,  260,  261,
      262,  263,  264,  265,  265,  265,  265,  266,  266,  267,
      268,  269,  270,  271,  272,  273,  273,  274,  275,  276,
      277,  277,  278,  279,  280,  281,  281
    } ;

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,    1,    5,    6,    7,    1,    1,    8,
        8,    9,    1,    8,   10,   11,   12,   13,   14,   14,
       14,   14,   14,   14,   14,   14,   14,    8,    1,    1,
        1,    1,    1,    1,   15,   15,   15,   15,   15,   15,
       16,   16,   16,   16,   16,   16,   16,   16,   16,   16,
       16,   16,   16,   16,   16,   16,   16,   17,   16,   16,
        1,    1,    1,    1,   18,    1,   19,   20,   21,   22,

       23,   15,   24,   25,   26,   27,   16,   28,   29,   30,
       31,   32,   16,   33,   34,   35,   36,   37,   38,   39,
       40,   16,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    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[41] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    2,    2,    2,    3,    3,    3,    2,    2,
        2,    2,    2,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3
    } ;

static yyconst short int yy_base[248] =
    {   0,
        0,   40,   78,   80,    0,    0,  606,  607,   83,  607,
       85,   87,  599,  581,  607,   79,   75,  594,   83,   85,
        0,   79,  583,  582,   83,   82,  577,  566,  567,   83,
       92,  561,  565,  114,  124,  607,  120,  126,  128,  132,
      134,  136,  153,  138,  148,  140,  191,  203,  141,  145,
      147,  160,  156,  194,  198,  200,  212,  196,  216,  142,
      607,  607,  246,  607,  155,  236,  607,  240,  589,  232,
      242,  566,  553,  561,  560,  559,  254,    0,    0,  567,
      566,  559,  558,  563,  555,    0,  560,  559,  549,  557,
      560,  549,  545,  544,  541,  539,  544,  543,  551,  537,

      256,  607,  258,  261,  607,  264,  266,  607,  268,  270,
      274,  276,  278,  280,  282,  284,  288,  294,  318,  146,
      277,  279,  282,  295,  281,  305,  294,  306,  320,  322,
      323,  329,  327,  333,  336,  296,  339,  342,  348,  353,
      354,  376,  607,  530,  328,  529,   94,  191,  541,  531,
      535,  500,  499,  378,  607,  382,    0,  503,  502,  501,
      484,  490,  478,  457,  460,  448,  448,  433,  429,  407,
      401,  385,  387,  389,  391,  395,  397,  399,  401,  403,
      405,  393,  607,  407,    0,  390,  411,  414,  410,  392,
      421,  424,  425,  435,  428,  437,  440,  444,  447,  607,

      401,  390,  338,  607,  325,  286,  268,  279,  263,  247,
      200,  184,  412,  475,  477,  479,  445,  482,  462,  465,
      466,  471,  483,  484,  485,  189,  146,  142,  120,   80,
      494,  488,  495,  498,  505,  607,  535,  538,  541,  543,
      546,  549,  552,  555,  558,  102,  561
    } ;

static yyconst short int yy_def[248] =
    {   0,
      236,  236,  237,  237,  238,  238,  236,  236,  236,  236,
      236,  239,  236,  236,  236,  236,  236,  236,  236,  236,
      240,  240,  240,  240,  240,  240,  240,  240,  240,  240,
      240,  240,  240,  241,  241,  236,  236,  242,  241,  241,
      241,  241,  241,  241,  241,  241,  243,  243,   48,   48,
       48,   48,   48,   48,   48,   48,   48,   48,   48,  244,
      236,  236,  236,  236,  236,  239,  236,  236,  236,  236,
      236,  236,  236,  236,  236,  236,  245,  246,  240,  240,
      240,  240,  240,  240,  240,  240,  240,  240,  240,  240,
      240,  240,  240,  240,  240,  240,  240,  240,  240,  240,

      241,  236,  236,  241,  236,  236,  242,  236,  236,  241,
      241,  241,  241,  241,  241,  241,  241,  247,  241,   48,
       48,   48,   48,   48,   48,   48,   48,   48,   48,   48,
       48,   48,   48,   48,   48,   48,   48,   48,   48,   48,
       48,  244,  236,  236,  236,  236,  236,  236,  236,  236,
      236,  236,  236,  245,  236,  236,  246,  240,  240,  240,
      240,  240,  240,  240,  240,  240,  240,  240,  240,  240,
      240,  241,  241,  241,  241,  241,  241,  241,  241,  241,
      241,  247,  236,  236,  119,   48,   48,   48,   48,   48,
       48,   48,   48,   48,   48,   48,   48,   48,   48,  236,

      236,  236,  236,  236,  236,  240,  240,  240,  240,  240,
      240,  240,  241,  241,  241,  241,  241,  241,   48,   48,
       48,   48,   48,   48,   48,  236,  240,  240,  240,  240,
      241,   48,   48,   48,   48,    0,  236,  236,  236,  236,
      236,  236,  236,  236,  236,  236,  236
    } ;

static yyconst short int yy_nxt[648] =
    {   0,
        8,    9,   10,   11,   12,   13,   14,   15,    8,   16,
       17,   18,   19,   20,   21,   21,   21,    8,   22,   21,
       23,   21,   21,   21,   24,   25,   26,   27,   28,   29,