mix_eval_scanner.c

汇编语言编程源代码

#line 2 "lex.yy.c"
/* A lexical scanner generated by flex */

/* 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>
#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

#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; \
	yyleng = (int) (yy_cp - yy_bp); \
	yy_hold_char = *yy_cp; \
	*yy_cp = '\0'; \
	yy_c_buf_p = yy_cp;

#define YY_NUM_RULES 19
#define YY_END_OF_BUFFER 20
static yyconst short int yy_acclist[94] =
    {   0,
       20,    2,   19,    1,    2,   19,    3,   19,   18,   19,
       17,   18,   19,   17,   19,   14,   18,   19,   18,   19,
       18,   19,   15,   18,   19,   18,   19,   16,   18,   19,
       10,   19,    9,   10,   19,    9,   19,   10,   19,16391,
       10,   19,   10,   19,   10,   19,16390,16391,   10,   19,
    16391,    1,   13,   11,   12,   11,   15,   15,   16,   16,
       16, 8199,16391,16390,16391,16391,    8,    8,    8, 8198,
     8199,    4, 8198, 8199,    5, 8198, 8199,16391,16391,   12,
       12,16391,16391,16391,    8,    8,16391,16391,    8,    8,
        8,    8,    8

    } ;

static yyconst short int yy_accept[73] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    2,    4,    7,
        9,   11,   14,   16,   19,   21,   23,   26,   28,   31,
       33,   36,   38,   41,   43,   45,   49,   52,   53,   54,
       55,   56,   58,   58,   59,   60,   61,   62,   62,   63,
       63,   63,   64,   66,   67,   68,   68,   69,   70,   70,
       72,   75,   78,   79,   80,   81,   82,   83,   84,   85,
       85,   85,   86,   87,   88,   89,   90,   91,   92,   93,
       94,   94
    } ;

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,    1,    1,    1,    1,    1,    1,    4,
        5,    6,    7,    8,    9,    1,   10,   11,   11,   11,
       11,   11,   11,   11,   11,   11,   11,   12,    1,    1,
        1,    1,    1,    1,   13,   13,   13,   13,   13,   13,
       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
        1,    1,    1,    1,    1,    1,   13,   13,   13,   13,

       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
       13,   13,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    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[14] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1
    } ;

static yyconst short int yy_base[73] =
    {   0,
        0,    2,    5,    0,   18,    0,   63,  159,   59,  159,
      159,  159,  159,   26,   49,   49,   29,    0,   32,  159,
      159,  159,   44,   51,   59,   71,   74,   56,  159,   49,
       77,   33,    0,    0,    0,   28,    0,   89,  159,   87,
       28,    0,    0,   90,   98,  105,  108,  111,  123,  159,
      159,  159,  116,  119,   23,    0,    0,  122,  125,  133,
       25,   21,    0,  136,  139,    0,  142,  145,   20,    0,
      159,    0
    } ;

static yyconst short int yy_def[73] =
    {   0,
       72,   72,   71,    3,   71,    5,   71,   71,   71,   71,
       71,   71,   71,   71,   14,   14,   71,   14,   71,   71,
       71,   71,   71,   71,   71,   71,   23,   71,   71,   14,
       71,   30,   14,   17,   19,   19,   19,   71,   71,   71,
       40,   23,   26,   23,   71,   71,   45,   45,   71,   71,
       71,   71,   23,   23,   31,   31,   23,   23,   23,   71,
       60,   48,   48,   23,   23,   45,   45,   45,   68,   68,
        0,   71
    } ;

static yyconst short int yy_nxt[173] =
    {   0,
        8,    9,   10,    9,   10,   11,   12,   13,   12,   12,
       14,   15,   12,   15,   16,   17,   18,   19,   20,   21,
       22,   20,   20,   23,   24,   25,   24,   20,   26,   20,
       27,   29,   69,   62,   60,   55,   30,   40,   31,   34,
       36,   35,   36,   32,   37,   38,   39,   39,   39,   40,
       40,   39,   40,   41,   71,   40,   42,   28,   33,   32,
       28,   43,   71,   44,   45,   46,   71,   46,   71,   47,
       71,   48,   49,   50,   51,   52,   40,   40,   50,   40,
       41,   43,   40,   44,   53,   71,   54,   55,   71,   56,
       38,   39,   57,   71,   71,   71,   71,   58,   71,   59,

       53,   71,   54,   60,   60,   71,   60,   61,   71,   60,
       45,   71,   71,   71,   71,   47,   71,   48,   47,   71,
       48,   62,   71,   63,   49,   50,   53,   71,   53,   53,
       71,   54,   58,   71,   59,   64,   71,   65,   66,   71,
       71,   71,   71,   67,   71,   68,   64,   71,   64,   64,
       71,   65,   67,   71,   68,   69,   71,   70,    7,   71,
       71,   71,   71,   71,   71,   71,   71,   71,   71,   71,
       71,   71
    } ;

static yyconst short int yy_chk[173] =
    {   0,
       72,    1,    1,    2,    2,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    5,    5,
        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
        5,   14,   69,   62,   61,   55,   14,   41,   14,   17,
       36,   17,   19,   32,   19,   23,   23,   23,   23,   23,
       23,   23,   23,   23,   30,   23,   24,   28,   16,   15,
        9,   24,    7,   24,   25,   25,    0,   25,    0,   25,
        0,   25,   26,   26,   26,   26,   26,   26,   26,   26,
       26,   26,   26,   26,   27,    0,   27,   31,    0,   31,
       38,   38,   40,    0,    0,    0,    0,   40,    0,   40,

       44,    0,   44,   45,   45,    0,   45,   45,    0,   45,
       46,    0,    0,    0,    0,   46,    0,   46,   47,    0,
       47,   48,    0,   48,   49,   49,   53,    0,   53,   54,
        0,   54,   58,    0,   58,   59,    0,   59,   60,    0,
        0,    0,    0,   60,    0,   60,   64,    0,   64,   65,
        0,   65,   67,    0,   67,   68,    0,   68,   71,   71,
       71,   71,   71,   71,   71,   71,   71,   71,   71,   71,
       71,   71
    } ;

static yy_state_type yy_state_buf[YY_BUF_SIZE + 2], *yy_state_ptr;
static char *yy_full_match;
static int yy_lp;
static int yy_looking_for_trail_begin = 0;
static int yy_full_lp;
static int *yy_full_state;
#define YY_TRAILING_MASK 0x2000
#define YY_TRAILING_HEAD_MASK 0x4000
#define REJECT \
{ \
*yy_cp = yy_hold_char; /* undo effects of setting up yytext */ \
yy_cp = yy_full_match; /* restore poss. backed-over text */ \
yy_lp = yy_full_lp; /* restore orig. accepting pos. */ \
yy_state_ptr = yy_full_state; /* restore orig. state */ \
yy_current_state = *yy_state_ptr; /* restore curr. state */ \
++yy_lp; \
goto find_rule; \
}
#define yymore() yymore_used_but_not_detected
#define YY_MORE_ADJ 0
#define YY_RESTORE_YY_MORE_OFFSET
char *yytext;
#line 1 "mix_eval_scanner.l"
#define INITIAL 0
/* -*-c-*- ------------------ mix_eval_scanner.l :
 * scanner used by mix_eval_t
 * ------------------------------------------------------------------
 *  Last change: Time-stamp: <01/04/01 15:08:21 jose>
 * ------------------------------------------------------------------
 * Copyright (C) 2000 Free Software Foundation, Inc.
 *  
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *  
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *  
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *  
 */
#line 25 "mix_eval_scanner.l"
#include <string.h>
#include "mix.h"
#include "xmix_eval.h"