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📄 lex.yy.c

📁 一个面向对像语言的编译器
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/* A lexical scanner generated by flex */

/* Scanner skeleton version:
 * $Header: /home/daffy/u0/vern/flex/RCS/flex.skl,v 2.85 95/04/24 10:48:47 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 <io.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_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 *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 FLEX_DEBUG
typedef unsigned char YY_CHAR;
FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
typedef int yy_state_type;

#define FLEX_DEBUG
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 45
#define YY_END_OF_BUFFER 46
static yyconst short int yy_accept[161] =
    {   0,
        0,    0,    0,    0,    7,    7,    1,    1,   46,   45,
        4,    2,    3,   45,   44,    4,    3,   36,   42,   36,
       44,   36,   38,   38,   36,   36,   36,   43,   43,   43,
       43,   43,   43,   43,   43,   43,   43,   43,   43,   43,
       43,   43,   43,   44,    7,    4,    3,    8,    8,    1,
        3,    5,   33,   42,   41,   34,    9,   40,   38,    0,
       30,   32,   31,   43,   43,   43,   43,   43,   43,   43,
       43,   43,   43,   43,   43,   21,   43,   43,   43,   43,
       43,   43,   43,   43,   35,    7,    3,    6,    1,    9,
       40,    0,   39,   25,   43,   43,   43,   43,   43,   43,

       43,   43,   43,   20,   11,   43,   43,   43,   43,   43,
       43,   43,    0,   40,   43,   43,   43,   13,   43,   43,
       43,   22,   43,   43,   15,   43,   43,   18,   37,   10,
       43,   43,   27,   43,   43,   24,   16,   43,   43,   43,
       43,   19,   43,   43,   43,   12,   43,   23,   14,   43,
       43,   43,   17,   26,   43,   29,   43,   43,   28,    0
    } ;

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

       33,   34,   35,   36,   37,   21,   38,   39,   21,   40,
       41,   21,   21,   42,   43,   44,   45,   46,   47,   48,
       49,   21,    7,   50,    7,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    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[51] =
    {   0,
        1,    2,    3,    1,    1,    1,    1,    1,    2,    1,
        1,    2,    4,    4,    1,    1,    1,    4,    4,    4,
        5,    5,    5,    5,    5,    5,    5,    5,    4,    4,
        4,    4,    4,    4,    5,    5,    5,    5,    5,    5,
        5,    5,    5,    5,    5,    5,    5,    5,    5,    1
    } ;

static yyconst short int yy_base[170] =
    {   0,
        0,    3,   15,    0,   64,   68,  234,  233,  235,  238,
      238,  238,  230,  224,  238,  238,  228,  215,  224,  238,
      221,    1,   68,   72,  212,  211,  210,    0,  192,  182,
      190,   33,  183,  180,   30,   55,   53,  175,  186,  174,
       52,  176,  180,  165,    0,  238,  210,  201,  203,    0,
      207,  238,  238,  204,  238,  238,    0,   77,   87,    0,
      238,  238,  238,    0,  162,  171,  178,  165,  172,  175,
      158,  159,  157,  161,  157,    0,  154,  158,  152,  153,
      157,  148,  155,  154,  238,    0,  186,  238,    0,    0,
       89,   94,    0,  171,  148,  155,  147,  156,  141,  153,

      149,  148,  137,    0,    0,  140,  133,  140,  133,  142,
      142,  134,   92,   98,  130,  127,   91,    0,  132,  126,
      129,    0,  127,  133,    0,  123,  124,    0,    0,    0,
      130,  120,    0,  121,  123,    0,    0,  124,  120,  107,
      111,    0,  111,   77,   80,    0,   76,    0,    0,   69,
       84,   82,    0,    0,   64,    0,   59,   47,    0,  238,
      122,  127,  132,  137,  139,  144,  149,  154,    4
    } ;

static yyconst short int yy_def[170] =
    {   0,
      161,  161,  160,    3,  162,  162,  163,  163,  160,  160,
      160,  160,  160,  160,  160,  160,  160,  160,  164,  160,
      160,  160,  160,  160,  160,  160,  160,  165,  165,  165,
      165,  165,  165,  165,  165,  165,  165,  165,  165,  165,
      165,  165,  165,  160,  166,  160,  166,  160,  160,  167,
      160,  160,  160,  164,  160,  160,  168,  160,  160,  169,
      160,  160,  160,  165,  165,  165,  165,  165,  165,  165,
      165,  165,  165,  165,  165,  165,  165,  165,  165,  165,
      165,  165,  165,  165,  160,  166,  166,  160,  167,  168,
      160,  160,  169,  165,  165,  165,  165,  165,  165,  165,

      165,  165,  165,  165,  165,  165,  165,  165,  165,  165,
      165,  165,  160,  160,  165,  165,  165,  165,  165,  165,
      165,  165,  165,  165,  165,  165,  165,  165,  165,  165,
      165,  165,  165,  165,  165,  165,  165,  165,  165,  165,
      165,  165,  165,  165,  165,  165,  165,  165,  165,  165,
      165,  165,  165,  165,  165,  165,  165,  165,  165,    0,
      160,  160,  160,  160,  160,  160,  160,  160,  160
    } ;

static yyconst short int yy_nxt[289] =
    {   0,
      160,   11,   12,   13,   11,   12,   13,   93,  160,   52,
      160,   14,   57,  160,   14,   15,   16,   12,   17,   18,
       19,   20,   21,   20,   20,   20,   22,   23,   24,   25,
       26,   27,   28,   28,   28,   28,   28,   28,   29,   30,
       31,   28,   15,   28,   32,   33,   34,   35,   36,   28,
       28,   37,   28,   28,   38,   28,   39,   40,   41,   28,
       42,   43,   28,   28,   44,   46,   12,   47,   72,   46,
       12,   47,   48,   68,   69,   49,   48,   73,   58,   49,
       59,   59,   58,   74,   59,   59,   76,   81,  159,   91,
       91,  158,   77,   82,   60,   75,   92,   58,  157,   59,

       59,   91,   91,  113,  114,  114,  114,  114,   92,   92,
      114,  114,  134,  135,  156,   60,  155,  154,  153,  152,
      151,   92,   10,   10,   10,   10,   10,   45,   45,   45,
       45,   45,   50,   50,   50,   50,   50,   54,   54,  150,
       54,   54,   64,   64,   86,  149,  148,   86,   86,   89,
       89,  147,   89,   89,   90,   90,  146,   90,   90,  145,
      144,  143,  142,  141,  140,  129,  139,  138,  137,  136,
      133,  132,  131,  130,  129,  128,  127,  126,  125,  124,
      123,  122,  121,  120,  119,  118,  117,  116,  115,   87,
      112,  111,  110,  109,  108,  107,  106,  105,  104,  103,

      102,  101,  100,   99,   98,   97,   96,   95,   94,   55,
       51,   52,   88,   87,   85,   84,   83,   80,   79,   78,
       71,   70,   67,   66,   65,   63,   62,   61,   56,   55,
       53,   51,   52,   51,  160,   12,   12,    9,  160,  160,
      160,  160,  160,  160,  160,  160,  160,  160,  160,  160,
      160,  160,  160,  160,  160,  160,  160,  160,  160,  160,
      160,  160,  160,  160,  160,  160,  160,  160,  160,  160,
      160,  160,  160,  160,  160,  160,  160,  160,  160,  160,
      160,  160,  160,  160,  160,  160,  160,  160
    } ;

static yyconst short int yy_chk[289] =
    {   0,
        0,    1,    1,    1,    2,    2,    2,  169,    0,   22,
        0,    1,   22,    0,    2,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    5,    5,    5,   35,    6,
        6,    6,    5,   32,   32,    5,    6,   35,   23,    6,
       23,   23,   24,   36,   24,   24,   37,   41,  158,   58,
       58,  157,   37,   41,   23,   36,   58,   59,  155,   59,

       59,   91,   91,   92,  113,  113,   92,   92,   91,   58,
      114,  114,  117,  117,  152,   23,  151,  150,  147,  145,
      144,   91,  161,  161,  161,  161,  161,  162,  162,  162,
      162,  162,  163,  163,  163,  163,  163,  164,  164,  143,
      164,  164,  165,  165,  166,  141,  140,  166,  166,  167,
      167,  139,  167,  167,  168,  168,  138,  168,  168,  135,
      134,  132,  131,  127,  126,  124,  123,  121,  120,  119,
      116,  115,  112,  111,  110,  109,  108,  107,  106,  103,
      102,  101,  100,   99,   98,   97,   96,   95,   94,   87,
       84,   83,   82,   81,   80,   79,   78,   77,   75,   74,

       73,   72,   71,   70,   69,   68,   67,   66,   65,   54,
       51,   49,   48,   47,   44,   43,   42,   40,   39,   38,
       34,   33,   31,   30,   29,   27,   26,   25,   21,   19,
       18,   17,   14,   13,    9,    8,    7,  160,  160,  160,
      160,  160,  160,  160,  160,  160,  160,  160,  160,  160,
      160,  160,  160,  160,  160,  160,  160,  160,  160,  160,
      160,  160,  160,  160,  160,  160,  160,  160,  160,  160,
      160,  160,  160,  160,  160,  160,  160,  160,  160,  160,
      160,  160,  160,  160,  160,  160,  160,  160
    } ;

static yy_state_type yy_last_accepting_state;
static char *yy_last_accepting_cpos;

extern int yy_flex_debug;
int yy_flex_debug = 1;

static yyconst short int yy_rule_linenum[45] =
    {   0,
       74,   78,   81,   82,   88,   89,   92,   93,   94,   98,
       99,  100,  101,  102,  103,  104,  105,  106,  107,  108,
      109,  110,  111,  112,  113,  114,  115,  116,  117,  122,
      123,  124,  125,  126,  127,  128,  132,  134,  136,  138,
      140,  142,  146,  157
    } ;

/* The intent behind this definition is that it'll catch
 * any uses of REJECT which flex missed.
 */
#define REJECT reject_used_but_not_detected
#define yymore() yymore_used_but_not_detected
#define YY_MORE_ADJ 0
char *yytext;
#line 1 "scanner.l"
#define INITIAL 0
/*
 * File:  scanner.l
 * ----------------
 * Lex inupt file to generate the scanner for the compiler.

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显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -