lex.zconf.c_shipped 57.1 KB
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#line 3 "scripts/kconfig/lex.zconf.c"
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#define  YY_INT_ALIGNED short int

/* A lexical scanner generated by flex */

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#define yy_create_buffer zconf_create_buffer
#define yy_delete_buffer zconf_delete_buffer
#define yy_flex_debug zconf_flex_debug
#define yy_init_buffer zconf_init_buffer
#define yy_flush_buffer zconf_flush_buffer
#define yy_load_buffer_state zconf_load_buffer_state
#define yy_switch_to_buffer zconf_switch_to_buffer
#define yyin zconfin
#define yyleng zconfleng
#define yylex zconflex
#define yylineno zconflineno
#define yyout zconfout
#define yyrestart zconfrestart
#define yytext zconftext
#define yywrap zconfwrap
#define yyalloc zconfalloc
#define yyrealloc zconfrealloc
#define yyfree zconffree

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#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5
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#define YY_FLEX_SUBMINOR_VERSION 35
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#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#endif

/* First, we deal with  platform-specific or compiler-specific issues. */

/* begin standard C headers. */
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>

/* end standard C headers. */

/* flex integer type definitions */

#ifndef FLEXINT_H
#define FLEXINT_H

/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */

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#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
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 * if you want the limit (max/min) macros for int types. 
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 */
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS 1
#endif

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#include <inttypes.h>
typedef int8_t flex_int8_t;
typedef uint8_t flex_uint8_t;
typedef int16_t flex_int16_t;
typedef uint16_t flex_uint16_t;
typedef int32_t flex_int32_t;
typedef uint32_t flex_uint32_t;
#else
typedef signed char flex_int8_t;
typedef short int flex_int16_t;
typedef int flex_int32_t;
typedef unsigned char flex_uint8_t; 
typedef unsigned short int flex_uint16_t;
typedef unsigned int flex_uint32_t;

/* Limits of integral types. */
#ifndef INT8_MIN
#define INT8_MIN               (-128)
#endif
#ifndef INT16_MIN
#define INT16_MIN              (-32767-1)
#endif
#ifndef INT32_MIN
#define INT32_MIN              (-2147483647-1)
#endif
#ifndef INT8_MAX
#define INT8_MAX               (127)
#endif
#ifndef INT16_MAX
#define INT16_MAX              (32767)
#endif
#ifndef INT32_MAX
#define INT32_MAX              (2147483647)
#endif
#ifndef UINT8_MAX
#define UINT8_MAX              (255U)
#endif
#ifndef UINT16_MAX
#define UINT16_MAX             (65535U)
#endif
#ifndef UINT32_MAX
#define UINT32_MAX             (4294967295U)
#endif

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#endif /* ! C99 */

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#endif /* ! FLEXINT_H */

#ifdef __cplusplus

/* The "const" storage-class-modifier is valid. */
#define YY_USE_CONST

#else	/* ! __cplusplus */

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/* C99 requires __STDC__ to be defined as 1. */
#if defined (__STDC__)
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#define YY_USE_CONST

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#endif	/* defined (__STDC__) */
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#endif	/* ! __cplusplus */

#ifdef YY_USE_CONST
#define yyconst const
#else
#define yyconst
#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 zconfrestart(zconfin  )

#define YY_END_OF_BUFFER_CHAR 0

/* Size of default input buffer. */
#ifndef YY_BUF_SIZE
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#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k.
 * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
 * Ditto for the __ia64__ case accordingly.
 */
#define YY_BUF_SIZE 32768
#else
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#define YY_BUF_SIZE 16384
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#endif /* __ia64__ */
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#endif

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/* The state buf must be large enough to hold one state per character in the main buffer.
 */
#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))

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#ifndef YY_TYPEDEF_YY_BUFFER_STATE
#define YY_TYPEDEF_YY_BUFFER_STATE
typedef struct yy_buffer_state *YY_BUFFER_STATE;
#endif

extern int zconfleng;

extern FILE *zconfin, *zconfout;

#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2

    #define YY_LESS_LINENO(n)
    
/* Return all but the first "n" matched characters back to the input stream. */
#define yyless(n) \
	do \
		{ \
		/* Undo effects of setting up zconftext. */ \
        int yyless_macro_arg = (n); \
        YY_LESS_LINENO(yyless_macro_arg);\
		*yy_cp = (yy_hold_char); \
		YY_RESTORE_YY_MORE_OFFSET \
		(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
		YY_DO_BEFORE_ACTION; /* set up zconftext again */ \
		} \
	while ( 0 )

#define unput(c) yyunput( c, (yytext_ptr)  )

#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
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typedef size_t yy_size_t;
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#endif

#ifndef YY_STRUCT_YY_BUFFER_STATE
#define YY_STRUCT_YY_BUFFER_STATE
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;

    int yy_bs_lineno; /**< The line count. */
    int yy_bs_column; /**< The column count. */
    
	/* 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 zconfrestart()), so that the user can continue scanning by
	 * just pointing zconfin at a new input file.
	 */
#define YY_BUFFER_EOF_PENDING 2

	};
#endif /* !YY_STRUCT_YY_BUFFER_STATE */

/* Stack of input buffers. */
static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */

/* 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".
 *
 * Returns the top of the stack, or NULL.
 */
#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
                          ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
                          : NULL)

/* Same as previous macro, but useful when we know that the buffer stack is not
 * NULL or when we need an lvalue. For internal use only.
 */
#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]

/* yy_hold_char holds the character lost when zconftext is formed. */
static char yy_hold_char;
static int yy_n_chars;		/* number of characters read into yy_ch_buf */
int zconfleng;

/* Points to current character in buffer. */
static char *yy_c_buf_p = (char *) 0;
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static int yy_init = 0;		/* whether we need to initialize */
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static int yy_start = 0;	/* start state number */

/* Flag which is used to allow zconfwrap()'s to do buffer switches
 * instead of setting up a fresh zconfin.  A bit of a hack ...
 */
static int yy_did_buffer_switch_on_eof;

void zconfrestart (FILE *input_file  );
void zconf_switch_to_buffer (YY_BUFFER_STATE new_buffer  );
YY_BUFFER_STATE zconf_create_buffer (FILE *file,int size  );
void zconf_delete_buffer (YY_BUFFER_STATE b  );
void zconf_flush_buffer (YY_BUFFER_STATE b  );
void zconfpush_buffer_state (YY_BUFFER_STATE new_buffer  );
void zconfpop_buffer_state (void );

static void zconfensure_buffer_stack (void );
static void zconf_load_buffer_state (void );
static void zconf_init_buffer (YY_BUFFER_STATE b,FILE *file  );

#define YY_FLUSH_BUFFER zconf_flush_buffer(YY_CURRENT_BUFFER )

YY_BUFFER_STATE zconf_scan_buffer (char *base,yy_size_t size  );
YY_BUFFER_STATE zconf_scan_string (yyconst char *yy_str  );
YY_BUFFER_STATE zconf_scan_bytes (yyconst char *bytes,int len  );

void *zconfalloc (yy_size_t  );
void *zconfrealloc (void *,yy_size_t  );
void zconffree (void *  );

#define yy_new_buffer zconf_create_buffer

#define yy_set_interactive(is_interactive) \
	{ \
	if ( ! YY_CURRENT_BUFFER ){ \
        zconfensure_buffer_stack (); \
		YY_CURRENT_BUFFER_LVALUE =    \
            zconf_create_buffer(zconfin,YY_BUF_SIZE ); \
	} \
	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
	}

#define yy_set_bol(at_bol) \
	{ \
	if ( ! YY_CURRENT_BUFFER ){\
        zconfensure_buffer_stack (); \
		YY_CURRENT_BUFFER_LVALUE =    \
            zconf_create_buffer(zconfin,YY_BUF_SIZE ); \
	} \
	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
	}

#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

/* Begin user sect3 */

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#define zconfwrap(n) 1
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#define YY_SKIP_YYWRAP

typedef unsigned char YY_CHAR;

FILE *zconfin = (FILE *) 0, *zconfout = (FILE *) 0;

typedef int yy_state_type;

extern int zconflineno;

int zconflineno = 1;

extern char *zconftext;
#define yytext_ptr zconftext
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static yyconst flex_int16_t yy_nxt[][17] =
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    {
    {
        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
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        0,    0,    0,    0,    0,    0,    0
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    },

    {
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       11,   12,   13,   14,   12,   12,   15,   12,   12,   12,
       12,   12,   12,   12,   12,   12,   12
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    },

    {
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       11,   12,   13,   14,   12,   12,   15,   12,   12,   12,
       12,   12,   12,   12,   12,   12,   12
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    },

    {
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       11,   16,   16,   17,   16,   16,   16,   16,   16,   16,
       16,   16,   16,   18,   16,   16,   16
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    },

    {
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       11,   16,   16,   17,   16,   16,   16,   16,   16,   16,
       16,   16,   16,   18,   16,   16,   16
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    },

    {
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       11,   19,   20,   21,   19,   19,   19,   19,   19,   19,
       19,   19,   19,   19,   19,   19,   19
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    },

    {
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       19,   19,   19,   19,   19,   19,   19
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    },

    {
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       22,   22,   22,   22,   22,   25,   22
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    },

    {
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       22,   22,   22,   22,   22,   25,   22
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    },

    {
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       33,   34,   35,   35,   36,   37,   38
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    },

    {
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       33,   34,   35,   35,   36,   37,   38
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    },

    {
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      -11,  -11,  -11,  -11,  -11,  -11,  -11
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    {
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      -12,  -12,  -12,  -12,  -12,  -12,  -12
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    {
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      -13,  -13,  -13,  -13,  -13,  -13,  -13
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    {
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      -14,  -14,  -14,  -14,  -14,  -14,  -14
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    },

    {
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       42,   42,   42,   42,   42,   42,   42
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    {
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      -16,  -16,  -16,  -16,  -16,  -16,  -16
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    {
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      -17,  -17,  -17,  -17,  -17,  -17,  -17
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    {
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      -18,  -18,  -18,   44,  -18,  -18,  -18
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    {
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       11,   45,   45,  -19,   45,   45,   45,   45,   45,   45,
       45,   45,   45,   45,   45,   45,   45
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    },

    {
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       11,  -20,   46,   47,  -20,  -20,  -20,  -20,  -20,  -20,
      -20,  -20,  -20,  -20,  -20,  -20,  -20
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    {
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       48,   48,   48,   48,   48,   48,   48
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    {
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       49,   49,   49,   49,   49,  -22,   49
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    {
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      -23,  -23,  -23,  -23,  -23,  -23,  -23
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    {
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      -24,  -24,  -24,  -24,  -24,  -24,  -24
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    },

    {
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       51,   51,   51,   51,   51,   51,   51
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    },

    {
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      -26,  -26,  -26,  -26,  -26,  -26,  -26
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    },

    {
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      -27,  -27,  -27,  -27,  -27,  -27,  -27
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    },

    {
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      -28,  -28,  -28,  -28,   53,  -28,  -28
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    },

    {
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      -29,  -29,  -29,  -29,  -29,  -29,  -29
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    },

    {
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       54,   54,   54,   54,   54,   54,   54
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    },

    {
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       11,  -31,  -31,  -31,  -31,  -31,  -31,   55,  -31,  -31,
      -31,  -31,  -31,  -31,  -31,  -31,  -31
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    },

    {
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       11,  -32,  -32,  -32,  -32,  -32,  -32,  -32,  -32,  -32,
      -32,  -32,  -32,  -32,  -32,  -32,  -32
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    },

    {
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       11,  -33,  -33,  -33,  -33,  -33,  -33,  -33,  -33,  -33,
      -33,  -33,  -33,  -33,  -33,  -33,  -33
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    },

    {
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       11,  -34,  -34,  -34,  -34,  -34,  -34,  -34,  -34,  -34,
      -34,   56,   57,   57,  -34,  -34,  -34
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    },

    {
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       11,  -35,  -35,  -35,  -35,  -35,  -35,  -35,  -35,  -35,
      -35,   57,   57,   57,  -35,  -35,  -35
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    },

    {
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       11,  -36,  -36,  -36,  -36,  -36,  -36,  -36,  -36,  -36,
      -36,  -36,  -36,  -36,  -36,  -36,  -36
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    {
572 573
       11,  -37,  -37,   58,  -37,  -37,  -37,  -37,  -37,  -37,
      -37,  -37,  -37,  -37,  -37,  -37,  -37
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    },

    {
577 578
       11,  -38,  -38,  -38,  -38,  -38,  -38,  -38,  -38,  -38,
      -38,  -38,  -38,  -38,  -38,  -38,   59
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    },

    {
582 583
       11,  -39,   39,   40,  -39,  -39,   41,  -39,  -39,  -39,
      -39,  -39,  -39,  -39,  -39,  -39,  -39
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    },

    {
588 589
       11,  -40,  -40,  -40,  -40,  -40,  -40,  -40,  -40,  -40,
      -40,  -40,  -40,  -40,  -40,  -40,  -40
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    },

    {
593 594
       11,   42,   42,   43,   42,   42,   42,   42,   42,   42,
       42,   42,   42,   42,   42,   42,   42
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    },

    {
598 599
       11,   42,   42,   43,   42,   42,   42,   42,   42,   42,
       42,   42,   42,   42,   42,   42,   42
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    },

    {
603 604
       11,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,
      -43,  -43,  -43,  -43,  -43,  -43,  -43
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    },

    {
608 609
       11,  -44,  -44,  -44,  -44,  -44,  -44,  -44,  -44,  -44,
      -44,  -44,  -44,   44,  -44,  -44,  -44
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    },

    {
614 615
       11,   45,   45,  -45,   45,   45,   45,   45,   45,   45,
       45,   45,   45,   45,   45,   45,   45
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    },

    {
619 620
       11,  -46,   46,   47,  -46,  -46,  -46,  -46,  -46,  -46,
      -46,  -46,  -46,  -46,  -46,  -46,  -46
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    },

    {
624 625
       11,   48,  -47,  -47,   48,   48,   48,   48,   48,   48,
       48,   48,   48,   48,   48,   48,   48
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    },

    {
629 630
       11,  -48,  -48,  -48,  -48,  -48,  -48,  -48,  -48,  -48,
      -48,  -48,  -48,  -48,  -48,  -48,  -48
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    },

    {
634 635
       11,   49,   49,   50,   49,  -49,   49,   49,  -49,   49,
       49,   49,   49,   49,   49,  -49,   49
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    },

    {
640 641
       11,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
      -50,  -50,  -50,  -50,  -50,  -50,  -50
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    },

    {
645 646
       11,  -51,  -51,   52,  -51,  -51,  -51,  -51,  -51,  -51,
      -51,  -51,  -51,  -51,  -51,  -51,  -51
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    },

    {
650 651
       11,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,
      -52,  -52,  -52,  -52,  -52,  -52,  -52
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    },

    {
655 656
       11,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
      -53,  -53,  -53,  -53,  -53,  -53,  -53
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    },

    {
660 661
       11,   54,   54,  -54,   54,   54,   54,   54,   54,   54,
       54,   54,   54,   54,   54,   54,   54
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    },

    {
666 667
       11,  -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,
      -55,  -55,  -55,  -55,  -55,  -55,  -55
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    },

    {
671 672
       11,  -56,  -56,  -56,  -56,  -56,  -56,  -56,  -56,  -56,
      -56,   60,   57,   57,  -56,  -56,  -56
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    },

    {
676 677
       11,  -57,  -57,  -57,  -57,  -57,  -57,  -57,  -57,  -57,
      -57,   57,   57,   57,  -57,  -57,  -57
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    },

    {
681 682
       11,  -58,  -58,  -58,  -58,  -58,  -58,  -58,  -58,  -58,
      -58,  -58,  -58,  -58,  -58,  -58,  -58
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    },

    {
686 687
       11,  -59,  -59,  -59,  -59,  -59,  -59,  -59,  -59,  -59,
      -59,  -59,  -59,  -59,  -59,  -59,  -59
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    },

    {
692 693
       11,  -60,  -60,  -60,  -60,  -60,  -60,  -60,  -60,  -60,
      -60,   57,   57,   57,  -60,  -60,  -60
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    },

    } ;

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;

713 714
#define YY_NUM_RULES 33
#define YY_END_OF_BUFFER 34
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/* 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;
	};
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static yyconst flex_int16_t yy_accept[61] =
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    {   0,
        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
725
       34,    5,    4,    2,    3,    7,    8,    6,   32,   29,
726
       31,   24,   28,   27,   26,   22,   17,   13,   16,   20,
727 728
       22,   11,   12,   19,   19,   14,   22,   22,    4,    2,
        3,    3,    1,    6,   32,   29,   31,   30,   24,   23,
729
       26,   25,   15,   20,    9,   19,   19,   21,   10,   18
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    } ;

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,
743
        1,   15,    1,    1,   13,    1,   13,   13,   13,   13,
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745 746 747
       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,
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        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    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;
775
#define YY_NO_INPUT 1
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/*
 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
 * 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

793 794 795 796 797
static struct {
	struct file *file;
	int lineno;
} current_pos;

798
static char *text;
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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);
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static void zconf_endfile(void);
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813
static void new_string(void)
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{
	text = malloc(START_STRSIZE);
	text_asize = START_STRSIZE;
	text_size = 0;
818
	*text = 0;
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}

821
static void append_string(const char *str, int size)
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{
	int new_size = text_size + size + 1;
	if (new_size > text_asize) {
825 826
		new_size += START_STRSIZE - 1;
		new_size &= -START_STRSIZE;
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		text = realloc(text, new_size);
		text_asize = new_size;
	}
830
	memcpy(text + text_size, str, size);
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	text_size += size;
832
	text[text_size] = 0;
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}

835
static void alloc_string(const char *str, int size)
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{
	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

848
#ifndef YY_NO_UNISTD_H
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/* 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>
854
#endif
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#ifndef YY_EXTRA_TYPE
#define YY_EXTRA_TYPE void *
#endif

860 861
static int yy_init_globals (void );

862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890
/* Accessor methods to globals.
   These are made visible to non-reentrant scanners for convenience. */

int zconflex_destroy (void );

int zconfget_debug (void );

void zconfset_debug (int debug_flag  );

YY_EXTRA_TYPE zconfget_extra (void );

void zconfset_extra (YY_EXTRA_TYPE user_defined  );

FILE *zconfget_in (void );

void zconfset_in  (FILE * in_str  );

FILE *zconfget_out (void );

void zconfset_out  (FILE * out_str  );

int zconfget_leng (void );

char *zconfget_text (void );

int zconfget_lineno (void );

void zconfset_lineno (int line_number  );

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/* 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
925 926 927 928
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k */
#define YY_READ_BUF_SIZE 16384
#else
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#define YY_READ_BUF_SIZE 8192
930
#endif /* __ia64__ */
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#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().
 */
938
#define ECHO do { if (fwrite( zconftext, zconfleng, 1, zconfout )) {} } while (0)
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#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;

1018
	if ( !(yy_init) )
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		{
1020
		(yy_init) = 1;
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#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:
1075
/* rule 2 can match eol */
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YY_RULE_SETUP
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{
	current_file->lineno++;
	return T_EOL;
}
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	YY_BREAK
case 3:
YY_RULE_SETUP
1084

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	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
{
1103
		struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
1104 1105 1106
		BEGIN(PARAM);
		current_pos.file = current_file;
		current_pos.lineno = current_file->lineno;
1107
		if (id && id->flags & TF_COMMAND) {
1108
			zconflval.id = id;
1109 1110
			return id->token;
		}
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		alloc_string(zconftext, zconfleng);
		zconflval.string = text;
		return T_WORD;
	}
	YY_BREAK
1116
case 7:
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YY_RULE_SETUP

	YY_BREAK
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case 8:
/* rule 8 can match eol */
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YY_RULE_SETUP
1123 1124 1125 1126 1127
{
		BEGIN(INITIAL);
		current_file->lineno++;
		return T_EOL;
	}
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	YY_BREAK

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case 9:
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1131 1132 1133
YY_RULE_SETUP
return T_AND;
	YY_BREAK
1134
case 10:
L
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1135 1136 1137
YY_RULE_SETUP
return T_OR;
	YY_BREAK
1138
case 11:
L
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1139 1140 1141
YY_RULE_SETUP
return T_OPEN_PAREN;
	YY_BREAK
1142
case 12:
L
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1143 1144 1145
YY_RULE_SETUP
return T_CLOSE_PAREN;
	YY_BREAK
1146
case 13:
L
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1147 1148 1149
YY_RULE_SETUP
return T_NOT;
	YY_BREAK
1150
case 14:
L
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1151 1152 1153
YY_RULE_SETUP
return T_EQUAL;
	YY_BREAK
1154
case 15:
L
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1155 1156 1157
YY_RULE_SETUP
return T_UNEQUAL;
	YY_BREAK
1158
case 16:
L
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1159 1160 1161 1162 1163 1164 1165
YY_RULE_SETUP
{
		str = zconftext[0];
		new_string();
		BEGIN(STRING);
	}
	YY_BREAK
1166 1167
case 17:
/* rule 17 can match eol */
L
Linus Torvalds 已提交
1168 1169 1170
YY_RULE_SETUP
BEGIN(INITIAL); current_file->lineno++; return T_EOL;
	YY_BREAK
1171
case 18:
L
Linus Torvalds 已提交
1172 1173 1174
YY_RULE_SETUP
/* ignore */
	YY_BREAK
1175
case 19:
L
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1176 1177
YY_RULE_SETUP
{
1178
		struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
1179 1180
		if (id && id->flags & TF_PARAM) {
			zconflval.id = id;
1181
			return id->token;
1182
		}
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1183 1184 1185 1186 1187
		alloc_string(zconftext, zconfleng);
		zconflval.string = text;
		return T_WORD;
	}
	YY_BREAK
1188
case 20:
L
Linus Torvalds 已提交
1189 1190 1191
YY_RULE_SETUP
/* comment */
	YY_BREAK
1192 1193
case 21:
/* rule 21 can match eol */
L
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1194 1195 1196
YY_RULE_SETUP
current_file->lineno++;
	YY_BREAK
1197
case 22:
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1198 1199 1200 1201 1202 1203 1204 1205 1206
YY_RULE_SETUP

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

1207 1208
case 23:
/* rule 23 can match eol */
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1209 1210 1211 1212 1213 1214 1215 1216 1217 1218
*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
1219
case 24:
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Linus Torvalds 已提交
1220 1221 1222 1223 1224
YY_RULE_SETUP
{
		append_string(zconftext, zconfleng);
	}
	YY_BREAK
1225 1226
case 25:
/* rule 25 can match eol */
L
Linus Torvalds 已提交
1227 1228 1229 1230 1231 1232 1233 1234 1235 1236
*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;
		return T_WORD_QUOTE;
	}
	YY_BREAK
1237
case 26:
L
Linus Torvalds 已提交
1238 1239 1240 1241 1242
YY_RULE_SETUP
{
		append_string(zconftext + 1, zconfleng - 1);
	}
	YY_BREAK
1243
case 27:
L
Linus Torvalds 已提交
1244 1245 1246 1247 1248 1249 1250 1251 1252 1253
YY_RULE_SETUP
{
		if (str == zconftext[0]) {
			BEGIN(PARAM);
			zconflval.string = text;
			return T_WORD_QUOTE;
		} else
			append_string(zconftext, 1);
	}
	YY_BREAK
1254 1255
case 28:
/* rule 28 can match eol */
L
Linus Torvalds 已提交
1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269
YY_RULE_SETUP
{
		printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno());
		current_file->lineno++;
		BEGIN(INITIAL);
		return T_EOL;
	}
	YY_BREAK
case YY_STATE_EOF(STRING):
{
		BEGIN(INITIAL);
	}
	YY_BREAK

1270
case 29:
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Linus Torvalds 已提交
1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294
YY_RULE_SETUP
{
		ts = 0;
		for (i = 0; i < zconfleng; i++) {
			if (zconftext[i] == '\t')
				ts = (ts & ~7) + 8;
			else
				ts++;
		}
		last_ts = ts;
		if (first_ts) {
			if (ts < first_ts) {
				zconf_endhelp();
				return T_HELPTEXT;
			}
			ts -= first_ts;
			while (ts > 8) {
				append_string("        ", 8);
				ts -= 8;
			}
			append_string("        ", ts);
		}
	}
	YY_BREAK
1295 1296
case 30:
/* rule 30 can match eol */
L
Linus Torvalds 已提交
1297 1298 1299 1300 1301 1302 1303 1304 1305 1306
*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
{
		current_file->lineno++;
		zconf_endhelp();
		return T_HELPTEXT;
	}
	YY_BREAK
1307 1308
case 31:
/* rule 31 can match eol */
L
Linus Torvalds 已提交
1309 1310 1311 1312 1313 1314
YY_RULE_SETUP
{
		current_file->lineno++;
		append_string("\n", 1);
	}
	YY_BREAK
1315
case 32:
L
Linus Torvalds 已提交
1316 1317
YY_RULE_SETUP
{
E
EGRY Gabor 已提交
1318 1319 1320 1321 1322
		while (zconfleng) {
			if ((zconftext[zconfleng-1] != ' ') && (zconftext[zconfleng-1] != '\t'))
				break;
			zconfleng--;
		}
L
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1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337
		append_string(zconftext, zconfleng);
		if (!first_ts)
			first_ts = last_ts;
	}
	YY_BREAK
case YY_STATE_EOF(HELP):
{
		zconf_endhelp();
		return T_HELPTEXT;
	}
	YY_BREAK

case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(COMMAND):
{
1338
	if (current_file) {
L
Linus Torvalds 已提交
1339
		zconf_endfile();
1340
		return T_EOL;
L
Linus Torvalds 已提交
1341 1342 1343 1344 1345
	}
	fclose(zconfin);
	yyterminate();
}
	YY_BREAK
1346
case 33:
L
Linus Torvalds 已提交
1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532
YY_RULE_SETUP
YY_FATAL_ERROR( "flex scanner jammed" );
	YY_BREAK

	case YY_END_OF_BUFFER:
		{
		/* Amount of text matched not including the EOB char. */
		int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;

		/* Undo the effects of YY_DO_BEFORE_ACTION. */
		*yy_cp = (yy_hold_char);
		YY_RESTORE_YY_MORE_OFFSET

		if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
			{
			/* We're scanning a new file or input source.  It's
			 * possible that this happened because the user
			 * just pointed zconfin at a new source and called
			 * zconflex().  If so, then we have to assure
			 * consistency between YY_CURRENT_BUFFER and our
			 * globals.  Here is the right place to do so, because
			 * this is the first action (other than possibly a
			 * back-up) that will match for the new input source.
			 */
			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
			YY_CURRENT_BUFFER_LVALUE->yy_input_file = zconfin;
			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
			}

		/* Note that here we test for yy_c_buf_p "<=" to the position
		 * of the first EOB in the buffer, since yy_c_buf_p will
		 * already have been incremented past the NUL character
		 * (since all states make transitions on EOB to the
		 * end-of-buffer state).  Contrast this with the test
		 * in input().
		 */
		if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
			{ /* This was really a NUL. */
			yy_state_type yy_next_state;

			(yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;

			yy_current_state = yy_get_previous_state(  );

			/* Okay, we're now positioned to make the NUL
			 * transition.  We couldn't have
			 * yy_get_previous_state() go ahead and do it
			 * for us because it doesn't know how to deal
			 * with the possibility of jamming (and we don't
			 * want to build jamming into it because then it
			 * will run more slowly).
			 */

			yy_next_state = yy_try_NUL_trans( yy_current_state );

			yy_bp = (yytext_ptr) + YY_MORE_ADJ;

			if ( yy_next_state )
				{
				/* Consume the NUL. */
				yy_cp = ++(yy_c_buf_p);
				yy_current_state = yy_next_state;
				goto yy_match;
				}

			else
				{
				yy_cp = (yy_c_buf_p);
				goto yy_find_action;
				}
			}

		else switch ( yy_get_next_buffer(  ) )
			{
			case EOB_ACT_END_OF_FILE:
				{
				(yy_did_buffer_switch_on_eof) = 0;

				if ( zconfwrap( ) )
					{
					/* Note: because we've taken care in
					 * yy_get_next_buffer() to have set up
					 * zconftext, we can now set up
					 * yy_c_buf_p so that if some total
					 * hoser (like flex itself) wants to
					 * call the scanner after we return the
					 * YY_NULL, it'll still work - another
					 * YY_NULL will get returned.
					 */
					(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;

					yy_act = YY_STATE_EOF(YY_START);
					goto do_action;
					}

				else
					{
					if ( ! (yy_did_buffer_switch_on_eof) )
						YY_NEW_FILE;
					}
				break;
				}

			case EOB_ACT_CONTINUE_SCAN:
				(yy_c_buf_p) =
					(yytext_ptr) + yy_amount_of_matched_text;

				yy_current_state = yy_get_previous_state(  );

				yy_cp = (yy_c_buf_p);
				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
				goto yy_match;

			case EOB_ACT_LAST_MATCH:
				(yy_c_buf_p) =
				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];

				yy_current_state = yy_get_previous_state(  );

				yy_cp = (yy_c_buf_p);
				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
				goto yy_find_action;
			}
		break;
		}

	default:
		YY_FATAL_ERROR(
			"fatal flex scanner internal error--no action found" );
	} /* end of action switch */
		} /* end of scanning one token */
} /* end of zconflex */

/* yy_get_next_buffer - try to read in a new buffer
 *
 * Returns a code representing an action:
 *	EOB_ACT_LAST_MATCH -
 *	EOB_ACT_CONTINUE_SCAN - continue scanning from current position
 *	EOB_ACT_END_OF_FILE - end of file
 */
static int yy_get_next_buffer (void)
{
    	register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
	register char *source = (yytext_ptr);
	register int number_to_move, i;
	int ret_val;

	if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
		YY_FATAL_ERROR(
		"fatal flex scanner internal error--end of buffer missed" );

	if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
		{ /* Don't try to fill the buffer, so this is an EOF. */
		if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
			{
			/* We matched a single character, the EOB, so
			 * treat this as a final EOF.
			 */
			return EOB_ACT_END_OF_FILE;
			}

		else
			{
			/* We matched some text prior to the EOB, first
			 * process it.
			 */
			return EOB_ACT_LAST_MATCH;
			}
		}

	/* Try to read more data. */

	/* First move last chars to start of buffer. */
	number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;

	for ( i = 0; i < number_to_move; ++i )
		*(dest++) = *(source++);

	if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
		/* don't do the read, it's not guaranteed to return an EOF,
		 * just force an EOF
		 */
		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;

	else
		{
1533
			int num_to_read =
L
Linus Torvalds 已提交
1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577
			YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;

		while ( num_to_read <= 0 )
			{ /* Not enough room in the buffer - grow it. */

			/* just a shorter name for the current buffer */
			YY_BUFFER_STATE b = YY_CURRENT_BUFFER;

			int yy_c_buf_p_offset =
				(int) ((yy_c_buf_p) - b->yy_ch_buf);

			if ( b->yy_is_our_buffer )
				{
				int new_size = b->yy_buf_size * 2;

				if ( new_size <= 0 )
					b->yy_buf_size += b->yy_buf_size / 8;
				else
					b->yy_buf_size *= 2;

				b->yy_ch_buf = (char *)
					/* Include room in for 2 EOB chars. */
					zconfrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2  );
				}
			else
				/* Can't grow it, we don't own it. */
				b->yy_ch_buf = 0;

			if ( ! b->yy_ch_buf )
				YY_FATAL_ERROR(
				"fatal error - scanner input buffer overflow" );

			(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];

			num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
						number_to_move - 1;

			}

		if ( num_to_read > YY_READ_BUF_SIZE )
			num_to_read = YY_READ_BUF_SIZE;

		/* Read in more data. */
		YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
R
Roman Zippel 已提交
1578
			(yy_n_chars), (size_t) num_to_read );
L
Linus Torvalds 已提交
1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601

		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
		}

	if ( (yy_n_chars) == 0 )
		{
		if ( number_to_move == YY_MORE_ADJ )
			{
			ret_val = EOB_ACT_END_OF_FILE;
			zconfrestart(zconfin  );
			}

		else
			{
			ret_val = EOB_ACT_LAST_MATCH;
			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
				YY_BUFFER_EOF_PENDING;
			}
		}

	else
		ret_val = EOB_ACT_CONTINUE_SCAN;

1602 1603 1604 1605 1606 1607 1608 1609
	if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
		/* Extend the array by 50%, plus the number we really need. */
		yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
		YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) zconfrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size  );
		if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
			YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
	}

L
Linus Torvalds 已提交
1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995
	(yy_n_chars) += number_to_move;
	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;

	(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];

	return ret_val;
}

/* yy_get_previous_state - get the state just before the EOB char was reached */

    static yy_state_type yy_get_previous_state (void)
{
	register yy_state_type yy_current_state;
	register char *yy_cp;
    
	yy_current_state = (yy_start);

	for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
		{
		yy_current_state = yy_nxt[yy_current_state][(*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1)];
		}

	return yy_current_state;
}

/* yy_try_NUL_trans - try to make a transition on the NUL character
 *
 * synopsis
 *	next_state = yy_try_NUL_trans( current_state );
 */
    static yy_state_type yy_try_NUL_trans  (yy_state_type yy_current_state )
{
	register int yy_is_jam;
    
	yy_current_state = yy_nxt[yy_current_state][1];
	yy_is_jam = (yy_current_state <= 0);

	return yy_is_jam ? 0 : yy_current_state;
}

    static void yyunput (int c, register char * yy_bp )
{
	register char *yy_cp;
    
    yy_cp = (yy_c_buf_p);

	/* undo effects of setting up zconftext */
	*yy_cp = (yy_hold_char);

	if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
		{ /* need to shift things up to make room */
		/* +2 for EOB chars. */
		register int number_to_move = (yy_n_chars) + 2;
		register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
					YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
		register char *source =
				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];

		while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
			*--dest = *--source;

		yy_cp += (int) (dest - source);
		yy_bp += (int) (dest - source);
		YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;

		if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
			YY_FATAL_ERROR( "flex scanner push-back overflow" );
		}

	*--yy_cp = (char) c;

	(yytext_ptr) = yy_bp;
	(yy_hold_char) = *yy_cp;
	(yy_c_buf_p) = yy_cp;
}

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

{
	int c;
    
	*(yy_c_buf_p) = (yy_hold_char);

	if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
		{
		/* yy_c_buf_p now points to the character we want to return.
		 * If this occurs *before* the EOB characters, then it's a
		 * valid NUL; if not, then we've hit the end of the buffer.
		 */
		if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
			/* This was really a NUL. */
			*(yy_c_buf_p) = '\0';

		else
			{ /* need more input */
			int offset = (yy_c_buf_p) - (yytext_ptr);
			++(yy_c_buf_p);

			switch ( yy_get_next_buffer(  ) )
				{
				case EOB_ACT_LAST_MATCH:
					/* This happens because yy_g_n_b()
					 * sees that we've accumulated a
					 * token and flags that we need to
					 * try matching the token before
					 * proceeding.  But for input(),
					 * there's no matching to consider.
					 * So convert the EOB_ACT_LAST_MATCH
					 * to EOB_ACT_END_OF_FILE.
					 */

					/* Reset buffer status. */
					zconfrestart(zconfin );

					/*FALLTHROUGH*/

				case EOB_ACT_END_OF_FILE:
					{
					if ( zconfwrap( ) )
						return EOF;

					if ( ! (yy_did_buffer_switch_on_eof) )
						YY_NEW_FILE;
#ifdef __cplusplus
					return yyinput();
#else
					return input();
#endif
					}

				case EOB_ACT_CONTINUE_SCAN:
					(yy_c_buf_p) = (yytext_ptr) + offset;
					break;
				}
			}
		}

	c = *(unsigned char *) (yy_c_buf_p);	/* cast for 8-bit char's */
	*(yy_c_buf_p) = '\0';	/* preserve zconftext */
	(yy_hold_char) = *++(yy_c_buf_p);

	return c;
}
#endif	/* ifndef YY_NO_INPUT */

/** Immediately switch to a different input stream.
 * @param input_file A readable stream.
 * 
 * @note This function does not reset the start condition to @c INITIAL .
 */
    void zconfrestart  (FILE * input_file )
{
    
	if ( ! YY_CURRENT_BUFFER ){
        zconfensure_buffer_stack ();
		YY_CURRENT_BUFFER_LVALUE =
            zconf_create_buffer(zconfin,YY_BUF_SIZE );
	}

	zconf_init_buffer(YY_CURRENT_BUFFER,input_file );
	zconf_load_buffer_state( );
}

/** Switch to a different input buffer.
 * @param new_buffer The new input buffer.
 * 
 */
    void zconf_switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
{
    
	/* TODO. We should be able to replace this entire function body
	 * with
	 *		zconfpop_buffer_state();
	 *		zconfpush_buffer_state(new_buffer);
     */
	zconfensure_buffer_stack ();
	if ( YY_CURRENT_BUFFER == new_buffer )
		return;

	if ( YY_CURRENT_BUFFER )
		{
		/* Flush out information for old buffer. */
		*(yy_c_buf_p) = (yy_hold_char);
		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
		}

	YY_CURRENT_BUFFER_LVALUE = new_buffer;
	zconf_load_buffer_state( );

	/* We don't actually know whether we did this switch during
	 * EOF (zconfwrap()) processing, but the only time this flag
	 * is looked at is after zconfwrap() is called, so it's safe
	 * to go ahead and always set it.
	 */
	(yy_did_buffer_switch_on_eof) = 1;
}

static void zconf_load_buffer_state  (void)
{
    	(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
	(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
	zconfin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
	(yy_hold_char) = *(yy_c_buf_p);
}

/** Allocate and initialize an input buffer state.
 * @param file A readable stream.
 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
 * 
 * @return the allocated buffer state.
 */
    YY_BUFFER_STATE zconf_create_buffer  (FILE * file, int  size )
{
	YY_BUFFER_STATE b;
    
	b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state )  );
	if ( ! b )
		YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" );

	b->yy_buf_size = size;

	/* yy_ch_buf has to be 2 characters longer than the size given because
	 * we need to put in 2 end-of-buffer characters.
	 */
	b->yy_ch_buf = (char *) zconfalloc(b->yy_buf_size + 2  );
	if ( ! b->yy_ch_buf )
		YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" );

	b->yy_is_our_buffer = 1;

	zconf_init_buffer(b,file );

	return b;
}

/** Destroy the buffer.
 * @param b a buffer created with zconf_create_buffer()
 * 
 */
    void zconf_delete_buffer (YY_BUFFER_STATE  b )
{
    
	if ( ! b )
		return;

	if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
		YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;

	if ( b->yy_is_our_buffer )
		zconffree((void *) b->yy_ch_buf  );

	zconffree((void *) b  );
}

/* Initializes or reinitializes a buffer.
 * This function is sometimes called more than once on the same buffer,
 * such as during a zconfrestart() or at EOF.
 */
    static void zconf_init_buffer  (YY_BUFFER_STATE  b, FILE * file )

{
	int oerrno = errno;
    
	zconf_flush_buffer(b );

	b->yy_input_file = file;
	b->yy_fill_buffer = 1;

    /* If b is the current buffer, then zconf_init_buffer was _probably_
     * called from zconfrestart() or through yy_get_next_buffer.
     * In that case, we don't want to reset the lineno or column.
     */
    if (b != YY_CURRENT_BUFFER){
        b->yy_bs_lineno = 1;
        b->yy_bs_column = 0;
    }

        b->yy_is_interactive = 0;
    
	errno = oerrno;
}

/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
 * 
 */
    void zconf_flush_buffer (YY_BUFFER_STATE  b )
{
    	if ( ! b )
		return;

	b->yy_n_chars = 0;

	/* We always need two end-of-buffer characters.  The first causes
	 * a transition to the end-of-buffer state.  The second causes
	 * a jam in that state.
	 */
	b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;

	b->yy_buf_pos = &b->yy_ch_buf[0];

	b->yy_at_bol = 1;
	b->yy_buffer_status = YY_BUFFER_NEW;

	if ( b == YY_CURRENT_BUFFER )
		zconf_load_buffer_state( );
}

/** Pushes the new state onto the stack. The new state becomes
 *  the current state. This function will allocate the stack
 *  if necessary.
 *  @param new_buffer The new state.
 *  
 */
void zconfpush_buffer_state (YY_BUFFER_STATE new_buffer )
{
    	if (new_buffer == NULL)
		return;

	zconfensure_buffer_stack();

	/* This block is copied from zconf_switch_to_buffer. */
	if ( YY_CURRENT_BUFFER )
		{
		/* Flush out information for old buffer. */
		*(yy_c_buf_p) = (yy_hold_char);
		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
		}

	/* Only push if top exists. Otherwise, replace top. */
	if (YY_CURRENT_BUFFER)
		(yy_buffer_stack_top)++;
	YY_CURRENT_BUFFER_LVALUE = new_buffer;

	/* copied from zconf_switch_to_buffer. */
	zconf_load_buffer_state( );
	(yy_did_buffer_switch_on_eof) = 1;
}

/** Removes and deletes the top of the stack, if present.
 *  The next element becomes the new top.
 *  
 */
void zconfpop_buffer_state (void)
{
    	if (!YY_CURRENT_BUFFER)
		return;

	zconf_delete_buffer(YY_CURRENT_BUFFER );
	YY_CURRENT_BUFFER_LVALUE = NULL;
	if ((yy_buffer_stack_top) > 0)
		--(yy_buffer_stack_top);

	if (YY_CURRENT_BUFFER) {
		zconf_load_buffer_state( );
		(yy_did_buffer_switch_on_eof) = 1;
	}
}

/* Allocates the stack if it does not exist.
 *  Guarantees space for at least one push.
 */
static void zconfensure_buffer_stack (void)
{
	int num_to_alloc;
    
	if (!(yy_buffer_stack)) {

		/* First allocation is just for 2 elements, since we don't know if this
		 * scanner will even need a stack. We use 2 instead of 1 to avoid an
		 * immediate realloc on the next call.
         */
		num_to_alloc = 1;
		(yy_buffer_stack) = (struct yy_buffer_state**)zconfalloc
								(num_to_alloc * sizeof(struct yy_buffer_state*)
								);
1996 1997 1998
		if ( ! (yy_buffer_stack) )
			YY_FATAL_ERROR( "out of dynamic memory in zconfensure_buffer_stack()" );
								  
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		memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
				
		(yy_buffer_stack_max) = num_to_alloc;
		(yy_buffer_stack_top) = 0;
		return;
	}

	if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){

		/* Increase the buffer to prepare for a possible push. */
		int grow_size = 8 /* arbitrary grow size */;

		num_to_alloc = (yy_buffer_stack_max) + grow_size;
		(yy_buffer_stack) = (struct yy_buffer_state**)zconfrealloc
								((yy_buffer_stack),
								num_to_alloc * sizeof(struct yy_buffer_state*)
								);
2016 2017
		if ( ! (yy_buffer_stack) )
			YY_FATAL_ERROR( "out of dynamic memory in zconfensure_buffer_stack()" );
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		/* zero only the new slots.*/
		memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
		(yy_buffer_stack_max) = num_to_alloc;
	}
}

/** Setup the input buffer state to scan directly from a user-specified character buffer.
 * @param base the character buffer
 * @param size the size in bytes of the character buffer
 * 
 * @return the newly allocated buffer state object. 
 */
YY_BUFFER_STATE zconf_scan_buffer  (char * base, yy_size_t  size )
{
	YY_BUFFER_STATE b;
    
	if ( size < 2 ||
	     base[size-2] != YY_END_OF_BUFFER_CHAR ||
	     base[size-1] != YY_END_OF_BUFFER_CHAR )
		/* They forgot to leave room for the EOB's. */
		return 0;

	b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state )  );
	if ( ! b )
		YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_buffer()" );

	b->yy_buf_size = size - 2;	/* "- 2" to take care of EOB's */
	b->yy_buf_pos = b->yy_ch_buf = base;
	b->yy_is_our_buffer = 0;
	b->yy_input_file = 0;
	b->yy_n_chars = b->yy_buf_size;
	b->yy_is_interactive = 0;
	b->yy_at_bol = 1;
	b->yy_fill_buffer = 0;
	b->yy_buffer_status = YY_BUFFER_NEW;

	zconf_switch_to_buffer(b  );

	return b;
}

/** Setup the input buffer state to scan a string. The next call to zconflex() will
 * scan from a @e copy of @a str.
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 * @param yystr a NUL-terminated string to scan
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 * 
 * @return the newly allocated buffer state object.
 * @note If you want to scan bytes that may contain NUL values, then use
 *       zconf_scan_bytes() instead.
 */
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YY_BUFFER_STATE zconf_scan_string (yyconst char * yystr )
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{
    
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	return zconf_scan_bytes(yystr,strlen(yystr) );
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}

/** Setup the input buffer state to scan the given bytes. The next call to zconflex() will
 * scan from a @e copy of @a bytes.
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 * @param yybytes the byte buffer to scan
 * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
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 * 
 * @return the newly allocated buffer state object.
 */
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YY_BUFFER_STATE zconf_scan_bytes  (yyconst char * yybytes, int  _yybytes_len )
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{
	YY_BUFFER_STATE b;
	char *buf;
	yy_size_t n;
	int i;
    
	/* Get memory for full buffer, including space for trailing EOB's. */
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	n = _yybytes_len + 2;
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	buf = (char *) zconfalloc(n  );
	if ( ! buf )
		YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_bytes()" );

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	for ( i = 0; i < _yybytes_len; ++i )
		buf[i] = yybytes[i];
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	buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
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	b = zconf_scan_buffer(buf,n );
	if ( ! b )
		YY_FATAL_ERROR( "bad buffer in zconf_scan_bytes()" );

	/* It's okay to grow etc. this buffer, and we should throw it
	 * away when we're done.
	 */
	b->yy_is_our_buffer = 1;

	return b;
}

#ifndef YY_EXIT_FAILURE
#define YY_EXIT_FAILURE 2
#endif

static void yy_fatal_error (yyconst char* msg )
{
    	(void) fprintf( stderr, "%s\n", msg );
	exit( YY_EXIT_FAILURE );
}

/* Redefine yyless() so it works in section 3 code. */

#undef yyless
#define yyless(n) \
	do \
		{ \
		/* Undo effects of setting up zconftext. */ \
        int yyless_macro_arg = (n); \
        YY_LESS_LINENO(yyless_macro_arg);\
		zconftext[zconfleng] = (yy_hold_char); \
		(yy_c_buf_p) = zconftext + yyless_macro_arg; \
		(yy_hold_char) = *(yy_c_buf_p); \
		*(yy_c_buf_p) = '\0'; \
		zconfleng = yyless_macro_arg; \
		} \
	while ( 0 )

/* Accessor  methods (get/set functions) to struct members. */

/** Get the current line number.
 * 
 */
int zconfget_lineno  (void)
{
        
    return zconflineno;
}

/** Get the input stream.
 * 
 */
FILE *zconfget_in  (void)
{
        return zconfin;
}

/** Get the output stream.
 * 
 */
FILE *zconfget_out  (void)
{
        return zconfout;
}

/** Get the length of the current token.
 * 
 */
int zconfget_leng  (void)
{
        return zconfleng;
}

/** Get the current token.
 * 
 */

char *zconfget_text  (void)
{
        return zconftext;
}

/** Set the current line number.
 * @param line_number
 * 
 */
void zconfset_lineno (int  line_number )
{
    
    zconflineno = line_number;
}

/** Set the input stream. This does not discard the current
 * input buffer.
 * @param in_str A readable stream.
 * 
 * @see zconf_switch_to_buffer
 */
void zconfset_in (FILE *  in_str )
{
        zconfin = in_str ;
}

void zconfset_out (FILE *  out_str )
{
        zconfout = out_str ;
}

int zconfget_debug  (void)
{
        return zconf_flex_debug;
}

void zconfset_debug (int  bdebug )
{
        zconf_flex_debug = bdebug ;
}

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static int yy_init_globals (void)
{
        /* Initialization is the same as for the non-reentrant scanner.
     * This function is called from zconflex_destroy(), so don't allocate here.
     */

    (yy_buffer_stack) = 0;
    (yy_buffer_stack_top) = 0;
    (yy_buffer_stack_max) = 0;
    (yy_c_buf_p) = (char *) 0;
    (yy_init) = 0;
    (yy_start) = 0;

/* Defined in main.c */
#ifdef YY_STDINIT
    zconfin = stdin;
    zconfout = stdout;
#else
    zconfin = (FILE *) 0;
    zconfout = (FILE *) 0;
#endif

    /* For future reference: Set errno on error, since we are called by
     * zconflex_init()
     */
    return 0;
}

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/* zconflex_destroy is for both reentrant and non-reentrant scanners. */
int zconflex_destroy  (void)
{
    
    /* Pop the buffer stack, destroying each element. */
	while(YY_CURRENT_BUFFER){
		zconf_delete_buffer(YY_CURRENT_BUFFER  );
		YY_CURRENT_BUFFER_LVALUE = NULL;
		zconfpop_buffer_state();
	}

	/* Destroy the stack itself. */
	zconffree((yy_buffer_stack) );
	(yy_buffer_stack) = NULL;

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    /* Reset the globals. This is important in a non-reentrant scanner so the next time
     * zconflex() is called, initialization will occur. */
    yy_init_globals( );

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    return 0;
}

/*
 * Internal utility routines.
 */

#ifndef yytext_ptr
static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
{
	register int i;
2276
	for ( i = 0; i < n; ++i )
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		s1[i] = s2[i];
}
#endif

#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (yyconst char * s )
{
	register int n;
2285
	for ( n = 0; s[n]; ++n )
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		;

	return n;
}
#endif

void *zconfalloc (yy_size_t  size )
{
	return (void *) malloc( size );
}

void *zconfrealloc  (void * ptr, yy_size_t  size )
{
	/* The cast to (char *) in the following accommodates both
	 * implementations that use char* generic pointers, and those
	 * that use void* generic pointers.  It works with the latter
	 * because both ANSI C and C++ allow castless assignment from
	 * any pointer type to void*, and deal with argument conversions
	 * as though doing an assignment.
	 */
	return (void *) realloc( (char *) ptr, size );
}

void zconffree (void * ptr )
{
	free( (char *) ptr );	/* see zconfrealloc() for (char *) cast */
}

#define YYTABLES_NAME "yytables"

void zconf_starthelp(void)
{
	new_string();
	last_ts = first_ts = 0;
	BEGIN(HELP);
}

static void zconf_endhelp(void)
{
	zconflval.string = text;
	BEGIN(INITIAL);
}

/*
 * Try to open specified file with following names:
 * ./name
 * $(srctree)/name
 * The latter is used when srctree is separate from objtree
 * when compiling the kernel.
 * Return NULL if file is not found.
 */
FILE *zconf_fopen(const char *name)
{
	char *env, fullname[PATH_MAX+1];
	FILE *f;

	f = fopen(name, "r");
2343
	if (!f && name != NULL && name[0] != '/') {
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		env = getenv(SRCTREE);
		if (env) {
			sprintf(fullname, "%s/%s", env, name);
			f = fopen(fullname, "r");
		}
	}
	return f;
}

void zconf_initscan(const char *name)
{
	zconfin = zconf_fopen(name);
	if (!zconfin) {
		printf("can't find file %s\n", name);
		exit(1);
	}

	current_buf = malloc(sizeof(*current_buf));
	memset(current_buf, 0, sizeof(*current_buf));

	current_file = file_lookup(name);
	current_file->lineno = 1;
	current_file->flags = FILE_BUSY;
}

void zconf_nextfile(const char *name)
{
	struct file *file = file_lookup(name);
	struct buffer *buf = malloc(sizeof(*buf));
	memset(buf, 0, sizeof(*buf));

	current_buf->state = YY_CURRENT_BUFFER;
	zconfin = zconf_fopen(name);
	if (!zconfin) {
		printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), name);
		exit(1);
	}
	zconf_switch_to_buffer(zconf_create_buffer(zconfin,YY_BUF_SIZE));
	buf->parent = current_buf;
	current_buf = buf;

	if (file->flags & FILE_BUSY) {
2386 2387
		printf("%s:%d: do not source '%s' from itself\n",
		       zconf_curname(), zconf_lineno(), name);
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		exit(1);
	}
	if (file->flags & FILE_SCANNED) {
2391 2392 2393
		printf("%s:%d: file '%s' is already sourced from '%s'\n",
		       zconf_curname(), zconf_lineno(), name,
		       file->parent->name);
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		exit(1);
	}
	file->flags |= FILE_BUSY;
	file->lineno = 1;
	file->parent = current_file;
	current_file = file;
}

2402
static void zconf_endfile(void)
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{
	struct buffer *parent;

	current_file->flags |= FILE_SCANNED;
	current_file->flags &= ~FILE_BUSY;
	current_file = current_file->parent;

	parent = current_buf->parent;
	if (parent) {
		fclose(zconfin);
		zconf_delete_buffer(YY_CURRENT_BUFFER);
		zconf_switch_to_buffer(parent->state);
	}
	free(current_buf);
	current_buf = parent;
}

int zconf_lineno(void)
{
2422
	return current_pos.lineno;
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}

char *zconf_curname(void)
{
2427
	return current_pos.file ? current_pos.file->name : "<none>";
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}