bootscanner.c

PostgreSQL 8.1.4的源码 适用于Linux下的开源数据库系统

/* A lexical scanner generated by flex */

/* Scanner skeleton version:
 * $Header: /home/daffy/u0/vern/flex/RCS/flex.skl,v 2.91 96/09/10 16:58:48 vern Exp $
 * $FreeBSD: src/usr.bin/lex/flex.skl,v 1.8 2004/01/06 19:03:44 nectar Exp $
 */

#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5

#include <stdio.h>


/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
#ifdef c_plusplus
#ifndef __cplusplus
#define __cplusplus
#endif
#endif


#ifdef __cplusplus

#include <stdlib.h>
#include <unistd.h>

/* Use prototypes in function declarations. */
#define YY_USE_PROTOS

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

#else	/* ! __cplusplus */

#if __STDC__

#define YY_USE_PROTOS
#define YY_USE_CONST

#endif	/* __STDC__ */
#endif	/* ! __cplusplus */

#ifdef __TURBOC__
 #pragma warn -rch
 #pragma warn -use
#include <io.h>
#include <stdlib.h>
#define YY_USE_CONST
#define YY_USE_PROTOS
#endif

#ifdef YY_USE_CONST
#define Int_yyconst const
#else
#define Int_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 Int_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 ((Int_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 Int_yyrestart( Int_yyin )

#define YY_END_OF_BUFFER_CHAR 0

/* Size of default input buffer. */
#define YY_BUF_SIZE 16384

typedef struct Int_yy_buffer_state *YY_BUFFER_STATE;

extern int Int_yyleng;
extern FILE *Int_yyin, *Int_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 )
 *		Int_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 Int_yyless() call.
 */

/* Return all but the first 'n' matched characters back to the input stream. */

#define Int_yyless(n) \
	do \
		{ \
		/* Undo effects of setting up Int_yytext. */ \
		*Int_yy_cp = Int_yy_hold_char; \
		YY_RESTORE_YY_MORE_OFFSET \
		Int_yy_c_buf_p = Int_yy_cp = Int_yy_bp + n - YY_MORE_ADJ; \
		YY_DO_BEFORE_ACTION; /* set up Int_yytext again */ \
		} \
	while ( 0 )

#define unput(c) Int_yyunput( c, Int_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 Int_yy_size_t;


struct Int_yy_buffer_state
	{
	FILE *Int_yy_input_file;

	char *Int_yy_ch_buf;		/* input buffer */
	char *Int_yy_buf_pos;		/* current position in input buffer */

	/* Size of input buffer in bytes, not including room for EOB
	 * characters.
	 */
	Int_yy_size_t Int_yy_buf_size;

	/* Number of characters read into Int_yy_ch_buf, not including EOB
	 * characters.
	 */
	int 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 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 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 Int_yy_at_bol;

	/* Whether to try to fill the input buffer when we reach the
	 * end of it.
	 */
	int Int_yy_fill_buffer;

	int 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 Int_yyrestart()), so that the user can continue scanning by
	 * just pointing Int_yyin at a new input file.
	 */
#define YY_BUFFER_EOF_PENDING 2
	};

static YY_BUFFER_STATE Int_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 Int_yy_current_buffer


/* Int_yy_hold_char holds the character lost when Int_yytext is formed. */
static char Int_yy_hold_char;

static int Int_yy_n_chars;		/* number of characters read into Int_yy_ch_buf */


int Int_yyleng;

/* Points to current character in buffer. */
static char *Int_yy_c_buf_p = (char *) 0;
static int Int_yy_init = 1;		/* whether we need to initialize */
static int Int_yy_start = 0;	/* start state number */

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

void Int_yyrestart YY_PROTO(( FILE *input_file ));

void Int_yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
void Int_yy_load_buffer_state YY_PROTO(( void ));
YY_BUFFER_STATE Int_yy_create_buffer YY_PROTO(( FILE *file, int size ));
void Int_yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
void Int_yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
void Int_yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
#define YY_FLUSH_BUFFER Int_yy_flush_buffer( Int_yy_current_buffer )

YY_BUFFER_STATE Int_yy_scan_buffer YY_PROTO(( char *base, Int_yy_size_t size ));
YY_BUFFER_STATE Int_yy_scan_string YY_PROTO(( Int_yyconst char *Int_yy_str ));
YY_BUFFER_STATE Int_yy_scan_bytes YY_PROTO(( Int_yyconst char *bytes, int len ));

static void *Int_yy_flex_alloc YY_PROTO(( Int_yy_size_t ));
static void *Int_yy_flex_realloc YY_PROTO(( void *, Int_yy_size_t ));
static void Int_yy_flex_free YY_PROTO(( void * ));

#define Int_yy_new_buffer Int_yy_create_buffer

#define Int_yy_set_interactive(is_interactive) \
	{ \
	if ( ! Int_yy_current_buffer ) \
		Int_yy_current_buffer = Int_yy_create_buffer( Int_yyin, YY_BUF_SIZE ); \
	Int_yy_current_buffer->Int_yy_is_interactive = is_interactive; \
	}

#define Int_yy_set_bol(at_bol) \
	{ \
	if ( ! Int_yy_current_buffer ) \
		Int_yy_current_buffer = Int_yy_create_buffer( Int_yyin, YY_BUF_SIZE ); \
	Int_yy_current_buffer->Int_yy_at_bol = at_bol; \
	}

#define YY_AT_BOL() (Int_yy_current_buffer->Int_yy_at_bol)


#define Int_yywrap() 1
#define YY_SKIP_YYWRAP
typedef unsigned char YY_CHAR;
FILE *Int_yyin = (FILE *) 0, *Int_yyout = (FILE *) 0;
typedef int Int_yy_state_type;
extern char *Int_yytext;
#define Int_yytext_ptr Int_yytext

static Int_yy_state_type Int_yy_get_previous_state YY_PROTO(( void ));
static Int_yy_state_type Int_yy_try_NUL_trans YY_PROTO(( Int_yy_state_type current_state ));
static int Int_yy_get_next_buffer YY_PROTO(( void ));
static void Int_yy_fatal_error YY_PROTO(( Int_yyconst char msg[] ));

/* Done after the current pattern has been matched and before the
 * corresponding action - sets up Int_yytext.
 */
#define YY_DO_BEFORE_ACTION \
	Int_yytext_ptr = Int_yy_bp; \
	Int_yyleng = (int) (Int_yy_cp - Int_yy_bp); \
	Int_yy_hold_char = *Int_yy_cp; \
	*Int_yy_cp = '\0'; \
	Int_yy_c_buf_p = Int_yy_cp;

#define YY_NUM_RULES 32
#define YY_END_OF_BUFFER 33
static Int_yyconst short int Int_yy_accept[147] =
    {   0,
        0,    0,   33,   31,   15,   14,   16,   31,   12,   13,
       10,   26,   31,   26,   11,   26,   26,   31,   26,   26,
       26,   26,   26,   26,   26,   26,   26,   17,    0,   27,
       26,    0,   26,    0,   29,   28,   26,   26,   26,    0,
       26,    0,   26,   26,   26,   26,   26,   26,   26,   23,
       26,   26,   26,   26,   26,   17,   26,    0,   28,    0,
        0,   26,   26,    0,   25,    4,    0,   26,   26,   26,
       26,   26,   26,   26,   26,   26,   26,   26,   26,   26,
       26,    0,   29,    0,    0,   28,   30,   26,   26,   26,
       26,   26,   26,   26,   26,   26,    1,   26,   26,   26,

       26,    0,   28,   26,   26,   19,    2,   26,   26,   22,
       26,   26,   26,   26,   24,   26,    8,   26,    3,   26,
       26,    9,   26,   21,   26,   26,   18,   20,   26,   26,
       26,   26,   26,    5,   26,   26,   26,   26,   26,   26,
       26,    7,   26,   26,    6,    0
    } ;

static Int_yyconst int 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,    1,    5,    6,    1,    1,    1,    1,    7,
        8,    1,    9,   10,   11,   12,    1,   13,   13,   13,
       13,   13,   13,   13,   13,   13,   13,    1,    1,    1,
       14,    1,    1,    1,   15,   15,   15,   16,   17,   15,
       15,   15,   18,   15,   15,   15,   15,   15,   19,   15,
       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
       20,   21,   22,    1,   23,    1,   24,   25,   26,   27,

       28,   15,   29,   30,   31,   15,   15,   32,   15,   33,
       34,   35,   36,   37,   38,   39,   40,   15,   41,   42,
       15,   15,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    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 Int_yyconst int Int_yy_meta[43] =
    {   0,
        1,    1,    2,    1,    1,    1,    1,    1,    1,    1,
        3,    3,    3,    1,    3,    3,    3,    3,    3,    4,
        3,    1,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3
    } ;

static Int_yyconst short int Int_yy_base[151] =
    {   0,
        0,  392,  377,  413,  413,  413,  413,  370,  413,  413,
      413,   31,  298,   42,  413,   36,   53,  223,   55,   57,
       47,   52,   49,   60,   68,   71,   72,    0,  221,  413,
       37,  203,  101,  188,   33,  102,  104,   11,  114,   77,
       94,  185,   67,   86,  102,   97,  107,  117,  112,  115,
      125,  132,  127,  129,  134,    0,  166,  171,  168,  177,
      181,  179,  149,  180,  413,  130,  163,  163,  165,  174,
      173,  185,  178,  189,  187,  197,  198,  188,  200,  209,
      229,  158,  132,  235,  127,  111,   83,  213,  217,  225,
      226,  222,  234,  229,  238,  233,  241,  248,  243,  250,

      246,   72,   59,  262,  253,  255,  257,  266,  264,  265,
      275,  273,  283,  280,  282,  284,  285,  292,  287,  300,
      297,  296,  310,  305,  307,  314,  309,  317,  318,  319,
      326,  328,  329,  330,  333,  340,  348,  349,  345,  352,
      347,  357,  359,  361,  362,  413,  402,   57,  404,  408
    } ;

static Int_yyconst short int Int_yy_def[151] =
    {   0,
      146,    1,  146,  146,  146,  146,  146,  147,  146,  146,
      146,  148,  146,  149,  146,  149,  149,  146,  149,  149,
       20,   20,   20,   20,   20,   20,   20,  150,  147,  146,
      148,  146,  148,  146,  146,  146,   20,   20,   20,  146,
       20,  146,   20,   20,   20,   20,   20,   20,   20,   20,
       20,   20,   20,   20,   20,  150,  148,  146,  146,  146,
      146,  148,   20,  146,  146,   20,  146,   20,   20,   20,
       20,   20,   20,   20,   20,   20,   20,   20,   20,   20,
      148,  146,  146,  146,  146,  146,  146,   20,   20,   20,
       20,   20,   20,   20,   20,   20,   20,   20,   20,   20,

       20,  146,  146,   20,   20,   20,   20,   20,   20,   20,
       20,   20,   20,   20,   20,   20,   20,   20,   20,   20,
       20,   20,   20,   20,   20,   20,   20,   20,   20,   20,
       20,   20,   20,   20,   20,   20,   20,   20,   20,   20,
       20,   20,   20,   20,   20,    0,  146,  146,  146,  146
    } ;

static Int_yyconst short int Int_yy_nxt[456] =
    {   0,
        4,    5,    6,    7,    8,    4,    9,   10,    4,   11,
       12,   13,   14,   15,   16,   16,   16,   16,   17,    4,
       18,    4,   19,   16,   20,   21,   22,   16,   16,   16,
       23,   16,   16,   24,   16,   16,   16,   25,   16,   26,
       27,   16,   32,   33,   38,   35,   31,  146,  146,   58,
       38,   34,   31,   36,   37,   40,   34,   34,   39,   31,
       58,   40,   34,   31,  146,   31,  146,   31,  146,   39,
       41,  103,   40,   34,   40,   34,   40,   34,   46,   48,
       38,   49,   38,   47,  103,   38,   38,   43,   38,   64,
       44,   38,   50,   38,   51,   87,   45,   52,   65,   38,

       38,   38,   55,   53,   38,   38,   68,   38,   54,   66,
       38,   38,   36,   33,   59,   36,   37,   57,   60,   69,
       39,   34,   61,   86,   62,   38,   63,   38,   57,   60,
       71,   39,   70,   38,   72,   38,   38,   38,   74,   86,
       38,   38,   73,   38,   83,   38,   38,   38,   38,   75,
       38,   38,   76,   38,   38,   77,   38,   78,   38,   79,
       38,   63,   38,   38,   38,   38,   38,   38,   38,   38,
       83,   38,   80,   38,   61,   31,   62,  146,   81,   82,
       59,   82,   38,   83,   84,   85,   34,   85,   38,   86,
      146,   81,   64,   87,   88,   84,   38,   67,   38,   34,

       42,   65,   38,   89,   38,   90,   38,   38,   92,   93,
       91,   38,   38,   38,   96,   35,   94,   38,   38,   95,
       38,   38,   38,   99,   38,   30,   38,   38,   38,   97,
       38,   38,  100,   38,   98,   42,   38,   38,  101,   38,
      146,   81,   38,  102,  104,  102,   38,  103,   38,   34,
       38,  106,   38,  107,  105,   38,   38,  109,   38,   38,
      108,   38,   38,  111,   38,   38,   38,   38,   38,  112,
      110,   38,   38,   38,   38,  113,   38,   38,  115,  116,
       38,   38,  114,   38,  117,   38,   38,   38,   38,   38,
       38,  118,   38,  119,   38,   38,   38,   38,   38,   38,

      120,   38,  121,   38,   38,   38,   38,  124,   38,  123,
       35,  122,   38,   38,   38,   38,   38,   38,   38,   38,
       38,   38,   38,  125,   38,   38,   38,  127,  126,   38,
       38,   38,  129,   38,  128,   38,   38,  131,   38,   38,
       38,  133,   38,   38,   38,  130,   38,   38,   38,   38,
       38,   38,   38,   38,  132,  135,   38,   38,   38,   38,
      134,   38,  136,   38,  137,   38,   38,   38,   38,   38,
      138,  139,   38,   38,   30,  140,  146,  143,   38,   38,
       38,   38,   38,  141,   38,   38,   38,   38,   38,  142,
       38,   38,  144,  145,   38,   38,   38,   28,   38,  146,

       38,   38,   29,   29,   29,   29,   38,   38,   56,  146,
       56,   56,    3,  146,  146,  146,  146,  146,  146,  146,
      146,  146,  146,  146,  146,  146,  146,  146,  146,  146,
      146,  146,  146,  146,  146,  146,  146,  146,  146,  146,
      146,  146,  146,  146,  146,  146,  146,  146,  146,  146,
      146,  146,  146,  146,  146
    } ;

static Int_yyconst short int Int_yy_chk[456] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,   12,   12,   38,   35,   16,   16,   31,   35,
       38,   12,   14,   14,   14,   16,   16,   31,   14,  148,
       35,   14,   14,   17,   17,   19,   19,   20,   20,   14,
       17,  103,   17,   17,   19,   19,   20,   20,   21,   22,
       21,   23,   23,   21,  102,   22,   21,   19,   23,   40,
       20,   22,   24,   24,   24,   87,   20,   25,   40,   24,

       43,   25,   27,   26,   26,   27,   43,   25,   26,   41,
       26,   27,   33,   33,   36,   37,   37,   33,   36,   44,
       37,   33,   39,   86,   39,   44,   39,   41,   33,   36,
       46,   37,   45,   41,   47,   45,   46,   37,   49,   85,
       47,   45,   48,   37,   83,   49,   47,   39,   50,   49,
       48,   49,   51,   39,   50,   52,   48,   53,   51,   54,
       53,   63,   54,   66,   51,   52,   53,   55,   54,   66,
       82,   52,   55,   55,   57,   67,   57,   57,   57,   58,
       59,   58,   63,   58,   59,   60,   57,   60,   63,   60,
       62,   62,   64,   61,   68,   59,   68,   42,   69,   62,