lex.zconf.c_shipped

busybox最新版的源码:学习和应用的好东东,多的不说了,大家看后再说吧

    {
       11,  -46,   46,   47,  -46,  -46,  -46,  -46,  -46,  -46,
      -46,  -46,  -46,  -46,  -46,  -46,  -46
    },

    {
       11,   48,  -47,  -47,   48,   48,   48,   48,   48,   48,
       48,   48,   48,   48,   48,   48,   48
    },

    {
       11,  -48,  -48,  -48,  -48,  -48,  -48,  -48,  -48,  -48,
      -48,  -48,  -48,  -48,  -48,  -48,  -48
    },

    {
       11,   49,   49,   50,   49,  -49,   49,   49,  -49,   49,
       49,   49,   49,   49,   49,  -49,   49

    },

    {
       11,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
      -50,  -50,  -50,  -50,  -50,  -50,  -50
    },

    {
       11,  -51,  -51,   52,  -51,  -51,  -51,  -51,  -51,  -51,
      -51,  -51,  -51,  -51,  -51,  -51,  -51
    },

    {
       11,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,
      -52,  -52,  -52,  -52,  -52,  -52,  -52
    },

    {
       11,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
      -53,  -53,  -53,  -53,  -53,  -53,  -53
    },

    {
       11,   54,   54,  -54,   54,   54,   54,   54,   54,   54,
       54,   54,   54,   54,   54,   54,   54

    },

    {
       11,  -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,
      -55,  -55,  -55,  -55,  -55,  -55,  -55
    },

    {
       11,  -56,  -56,  -56,  -56,  -56,  -56,  -56,  -56,  -56,
      -56,   60,   57,   57,  -56,  -56,  -56
    },

    {
       11,  -57,  -57,  -57,  -57,  -57,  -57,  -57,  -57,  -57,
      -57,   57,   57,   57,  -57,  -57,  -57
    },

    {
       11,  -58,  -58,  -58,  -58,  -58,  -58,  -58,  -58,  -58,
      -58,  -58,  -58,  -58,  -58,  -58,  -58
    },

    {
       11,  -59,  -59,  -59,  -59,  -59,  -59,  -59,  -59,  -59,
      -59,  -59,  -59,  -59,  -59,  -59,  -59

    },

    {
       11,  -60,  -60,  -60,  -60,  -60,  -60,  -60,  -60,  -60,
      -60,   57,   57,   57,  -60,  -60,  -60
    },

    } ;

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 zconftext.
 */
#define YY_DO_BEFORE_ACTION \
	(yytext_ptr) = yy_bp; \
	zconfleng = (size_t) (yy_cp - yy_bp); \
	(yy_hold_char) = *yy_cp; \
	*yy_cp = '\0'; \
	(yy_c_buf_p) = yy_cp;

#define YY_NUM_RULES 33
#define YY_END_OF_BUFFER 34
/* 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_accept[61] =
    {   0,
        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
       34,    5,    4,    2,    3,    7,    8,    6,   32,   29,
       31,   24,   28,   27,   26,   22,   17,   13,   16,   20,
       22,   11,   12,   19,   19,   14,   22,   22,    4,    2,
        3,    3,    1,    6,   32,   29,   31,   30,   24,   23,
       26,   25,   15,   20,    9,   19,   19,   21,   10,   18
    } ;

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,    2,    4,    5,    6,    1,    1,    7,    8,    9,
       10,    1,    1,    1,   11,   12,   12,   13,   13,   13,
       13,   13,   13,   13,   13,   13,   13,    1,    1,    1,
       14,    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,   15,    1,    1,   13,    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,   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
    } ;

extern int zconf_flex_debug;
int zconf_flex_debug = 0;

/* 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
#define YY_RESTORE_YY_MORE_OFFSET
char *zconftext;

/*
 * Copyright (C) 2002 Roman Zippel <[e-mail]>
 * Released under the terms of the GNU GPL v2.0.
 */

#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#define LKC_DIRECT_LINK
#include "lkc.h"

#define START_STRSIZE	16

static struct {
	struct file *file;
	int lineno;
} current_pos;

static char *text;
static int text_size, text_asize;

struct buffer {
        struct buffer *parent;
        YY_BUFFER_STATE state;
};

struct buffer *current_buf;

static int last_ts, first_ts;

static void zconf_endhelp(void);
static void zconf_endfile(void);

void new_string(void)
{
	text = malloc(START_STRSIZE);
	text_asize = START_STRSIZE;
	text_size = 0;
	*text = 0;
}

void append_string(const char *str, int size)
{
	int new_size = text_size + size + 1;
	if (new_size > text_asize) {
		new_size += START_STRSIZE - 1;
		new_size &= -START_STRSIZE;
		text = realloc(text, new_size);
		text_asize = new_size;
	}
	memcpy(text + text_size, str, size);
	text_size += size;
	text[text_size] = 0;
}

void alloc_string(const char *str, int size)
{
	text = malloc(size + 1);
	memcpy(text, str, size);
	text[size] = 0;
}

#define INITIAL 0
#define COMMAND 1
#define HELP 2
#define STRING 3
#define PARAM 4

#ifndef YY_NO_UNISTD_H
/* Special case for "unistd.h", since it is non-ANSI. We include it way
 * down here because we want the user's section 1 to have been scanned first.
 * The user has a chance to override it with an option.
 */
#include <unistd.h>
#endif

#ifndef YY_EXTRA_TYPE
#define YY_EXTRA_TYPE void *
#endif

/* Macros after this point can all be overridden by user definitions in
 * section 1.
 */

#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int zconfwrap (void );
#else
extern int zconfwrap (void );
#endif
#endif

    static void yyunput (int c,char *buf_ptr  );

#ifndef yytext_ptr
static void yy_flex_strncpy (char *,yyconst char *,int );
#endif

#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (yyconst char * );
#endif

#ifndef YY_NO_INPUT

#ifdef __cplusplus
static int yyinput (void );
#else
static int input (void );
#endif

#endif

/* Amount of stuff to slurp up with each read. */
#ifndef YY_READ_BUF_SIZE
#define YY_READ_BUF_SIZE 8192
#endif

/* Copy whatever the last rule matched to the standard output. */
#ifndef ECHO
/* This used to be an fputs(), but since the string might contain NUL's,
 * we now use fwrite().
 */
#define ECHO (void) fwrite( zconftext, zconfleng, 1, zconfout )
#endif

/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
 * is returned in "result".
 */
#ifndef YY_INPUT
#define YY_INPUT(buf,result,max_size) \
	errno=0; \
	while ( (result = read( fileno(zconfin), (char *) buf, max_size )) < 0 ) \
	{ \
		if( errno != EINTR) \
		{ \
			YY_FATAL_ERROR( "input in flex scanner failed" ); \
			break; \
		} \
		errno=0; \
		clearerr(zconfin); \
	}\
\

#endif

/* No semi-colon after return; correct usage is to write "yyterminate();" -
 * we don't want an extra ';' after the "return" because that will cause
 * some compilers to complain about unreachable statements.
 */
#ifndef yyterminate
#define yyterminate() return YY_NULL
#endif

/* Number of entries by which start-condition stack grows. */
#ifndef YY_START_STACK_INCR
#define YY_START_STACK_INCR 25
#endif

/* Report a fatal error. */
#ifndef YY_FATAL_ERROR
#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
#endif

/* end tables serialization structures and prototypes */

/* Default declaration of generated scanner - a define so the user can
 * easily add parameters.
 */
#ifndef YY_DECL
#define YY_DECL_IS_OURS 1

extern int zconflex (void);

#define YY_DECL int zconflex (void)
#endif /* !YY_DECL */

/* Code executed at the beginning of each rule, after zconftext and zconfleng
 * have been set up.
 */
#ifndef YY_USER_ACTION
#define YY_USER_ACTION
#endif

/* Code executed at the end of each rule. */
#ifndef YY_BREAK
#define YY_BREAK break;
#endif

#define YY_RULE_SETUP \
	YY_USER_ACTION

/** The main scanner function which does all the work.
 */
YY_DECL
{
	register yy_state_type yy_current_state;
	register char *yy_cp, *yy_bp;
	register int yy_act;

	int str = 0;
	int ts, i;

	if ( (yy_init) )
		{
		(yy_init) = 0;

#ifdef YY_USER_INIT
		YY_USER_INIT;
#endif

		if ( ! (yy_start) )
			(yy_start) = 1;	/* first start state */

		if ( ! zconfin )
			zconfin = stdin;

		if ( ! zconfout )
			zconfout = stdout;

		if ( ! YY_CURRENT_BUFFER ) {
			zconfensure_buffer_stack ();
			YY_CURRENT_BUFFER_LVALUE =
				zconf_create_buffer(zconfin,YY_BUF_SIZE );
		}

		zconf_load_buffer_state( );
		}

	while ( 1 )		/* loops until end-of-file is reached */
		{
		yy_cp = (yy_c_buf_p);

		/* Support of zconftext. */
		*yy_cp = (yy_hold_char);

		/* yy_bp points to the position in yy_ch_buf of the start of
		 * the current run.
		 */
		yy_bp = yy_cp;

		yy_current_state = (yy_start);
yy_match:
		while ( (yy_current_state = yy_nxt[yy_current_state][ yy_ec[YY_SC_TO_UI(*yy_cp)]  ]) > 0 )
			++yy_cp;

		yy_current_state = -yy_current_state;

yy_find_action:
		yy_act = yy_accept[yy_current_state];

		YY_DO_BEFORE_ACTION;

do_action:	/* This label is used only to access EOF actions. */

		switch ( yy_act )
	{ /* beginning of action switch */
case 1:
/* rule 1 can match eol */
case 2:
/* rule 2 can match eol */
YY_RULE_SETUP
{
	current_file->lineno++;
	return T_EOL;
}
	YY_BREAK
case 3:
YY_RULE_SETUP

	YY_BREAK
case 4:
YY_RULE_SETUP
{
	BEGIN(COMMAND);
}
	YY_BREAK
case 5:
YY_RULE_SETUP
{
	unput(zconftext[0]);
	BEGIN(COMMAND);
}
	YY_BREAK

case 6:
YY_RULE_SETUP
{
		struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
		BEGIN(PARAM);
		current_pos.file = current_file;
		current_pos.lineno = current_file->lineno;
		if (id && id->flags & TF_COMMAND) {
			zconflval.id = id;
			return id->token;
		}
		alloc_string(zconftext, zconfleng);
		zconflval.string = text;
		return T_WORD;
	}
	YY_BREAK
case 7:
YY_RULE_SETUP

	YY_BREAK
case 8:
/* rule 8 can match eol */
YY_RULE_SETUP
{
		BEGIN(INITIAL);
		current_file->lineno++;
		return T_EOL;
	}
	YY_BREAK

case 9:
YY_RULE_SETUP
return T_AND;
	YY_BREAK
case 10:
YY_RULE_SETUP
return T_OR;
	YY_BREAK
case 11:
YY_RULE_SETUP
return T_OPEN_PAREN;
	YY_BREAK
case 12:
YY_RULE_SETUP
return T_CLOSE_PAREN;
	YY_BREAK
case 13:
YY_RULE_SETUP
return T_NOT;
	YY_BREAK
case 14:
YY_RULE_SETUP
return T_EQUAL;
	YY_BREAK
case 15:
YY_RULE_SETUP
return T_UNEQUAL;
	YY_BREAK
case 16:
YY_RULE_SETUP
{
		str = zconftext[0];
		new_string();
		BEGIN(STRING);
	}
	YY_BREAK
case 17:
/* rule 17 can match eol */
YY_RULE_SETUP
BEGIN(INITIAL); current_file->lineno++; return T_EOL;
	YY_BREAK
case 18:
YY_RULE_SETUP
/* ignore */
	YY_BREAK
case 19:
YY_RULE_SETUP
{
		struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
		if (id && id->flags & TF_PARAM) {
			zconflval.id = id;
			return id->token;
		}
		alloc_string(zconftext, zconfleng);
		zconflval.string = text;
		return T_WORD;
	}
	YY_BREAK
case 20:
YY_RULE_SETUP
/* comment */
	YY_BREAK
case 21:
/* rule 21 can match eol */
YY_RULE_SETUP
current_file->lineno++;
	YY_BREAK
case 22:
YY_RULE_SETUP

	YY_BREAK
case YY_STATE_EOF(PARAM):
{
		BEGIN(INITIAL);
	}
	YY_BREAK

case 23:
/* rule 23 can match eol */
*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
(yy_c_buf_p) = yy_cp -= 1;
YY_DO_BEFORE_ACTION; /* set up zconftext again */
YY_RULE_SETUP
{
		append_string(zconftext, zconfleng);
		zconflval.string = text;
		return T_WORD_QUOTE;
	}
	YY_BREAK
case 24:
YY_RULE_SETUP
{
		append_string(zconftext, zconfleng);
	}
	YY_BREAK
case 25:
/* rule 25 can match eol */
*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
(yy_c_buf_p) = yy_cp -= 1;
YY_DO_BEFORE_ACTION; /* set up zconftext again */
YY_RULE_SETUP
{
		append_string(zconftext + 1, zconfleng - 1);
		zconflval.string = text;