pgc.c

关系型数据库 Postgresql 6.5.2

/* A lexical scanner generated by flex */

/* Scanner skeleton version:
 * $FreeBSD: src/usr.bin/lex/skel.c,v 1.2.2.1 1999/08/29 15:29:33 peter Exp $
 */

#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5

#include <stdio.h>


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


#ifdef __cplusplus

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

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

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

#else	/* ! __cplusplus */

#if __STDC__

#define YY_USE_PROTOS
#define YY_USE_CONST

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

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

#ifdef YY_USE_CONST
#define yyconst const
#else
#define yyconst
#endif


#ifdef YY_USE_PROTOS
#define YY_PROTO(proto) proto
#else
#define YY_PROTO(proto) ()
#endif

/* Returned upon end-of-file. */
#define YY_NULL 0

/* Promotes a possibly negative, possibly signed char to an unsigned
 * integer for use as an array index.  If the signed char is negative,
 * we want to instead treat it as an 8-bit unsigned char, hence the
 * double cast.
 */
#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)

/* Enter a start condition.  This macro really ought to take a parameter,
 * but we do it the disgusting crufty way forced on us by the ()-less
 * definition of BEGIN.
 */
#define BEGIN yy_start = 1 + 2 *

/* Translate the current start state into a value that can be later handed
 * to BEGIN to return to the state.  The YYSTATE alias is for lex
 * compatibility.
 */
#define YY_START ((yy_start - 1) / 2)
#define YYSTATE YY_START

/* Action number for EOF rule of a given start state. */
#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)

/* Special action meaning "start processing a new file". */
#define YY_NEW_FILE yyrestart( yyin )

#define YY_END_OF_BUFFER_CHAR 0

/* Size of default input buffer. */
#define YY_BUF_SIZE 65536

typedef struct yy_buffer_state *YY_BUFFER_STATE;

extern int yyleng;
extern FILE *yyin, *yyout;

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

/* The funky do-while in the following #define is used to turn the definition
 * int a single C statement (which needs a semi-colon terminator).  This
 * avoids problems with code like:
 *
 * 	if ( condition_holds )
 *		yyless( 5 );
 *	else
 *		do_something_else();
 *
 * Prior to using the do-while the compiler would get upset at the
 * "else" because it interpreted the "if" statement as being all
 * done when it reached the ';' after the yyless() call.
 */

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

#define yyless(n) \
	do \
		{ \
		/* Undo effects of setting up yytext. */ \
		*yy_cp = yy_hold_char; \
		YY_RESTORE_YY_MORE_OFFSET \
		yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
		} \
	while ( 0 )

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

/* The following is because we cannot portably get our hands on size_t
 * (without autoconf's help, which isn't available because we want
 * flex-generated scanners to compile on their own).
 */
typedef unsigned int yy_size_t;


struct yy_buffer_state
	{
	FILE *yy_input_file;

	char *yy_ch_buf;		/* input buffer */
	char *yy_buf_pos;		/* current position in input buffer */

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

	/* Number of characters read into yy_ch_buf, not including EOB
	 * characters.
	 */
	int yy_n_chars;

	/* Whether we "own" the buffer - i.e., we know we created it,
	 * and can realloc() it to grow it, and should free() it to
	 * delete it.
	 */
	int yy_is_our_buffer;

	/* Whether this is an "interactive" input source; if so, and
	 * if we're using stdio for input, then we want to use getc()
	 * instead of fread(), to make sure we stop fetching input after
	 * each newline.
	 */
	int yy_is_interactive;

	/* Whether we're considered to be at the beginning of a line.
	 * If so, '^' rules will be active on the next match, otherwise
	 * not.
	 */
	int yy_at_bol;

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

	int yy_buffer_status;
#define YY_BUFFER_NEW 0
#define YY_BUFFER_NORMAL 1
	/* When an EOF's been seen but there's still some text to process
	 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
	 * shouldn't try reading from the input source any more.  We might
	 * still have a bunch of tokens to match, though, because of
	 * possible backing-up.
	 *
	 * When we actually see the EOF, we change the status to "new"
	 * (via yyrestart()), so that the user can continue scanning by
	 * just pointing yyin at a new input file.
	 */
#define YY_BUFFER_EOF_PENDING 2
	};

static YY_BUFFER_STATE yy_current_buffer = 0;

/* We provide macros for accessing buffer states in case in the
 * future we want to put the buffer states in a more general
 * "scanner state".
 */
#define YY_CURRENT_BUFFER yy_current_buffer


/* yy_hold_char holds the character lost when yytext is formed. */
static char yy_hold_char;

static int yy_n_chars;		/* number of characters read into yy_ch_buf */


int yyleng;

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

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

void yyrestart YY_PROTO(( FILE *input_file ));

void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
void yy_load_buffer_state YY_PROTO(( void ));
YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )

YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));

static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
static void yy_flex_free YY_PROTO(( void * ));

#define yy_new_buffer yy_create_buffer

#define yy_set_interactive(is_interactive) \
	{ \
	if ( ! yy_current_buffer ) \
		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
	yy_current_buffer->yy_is_interactive = is_interactive; \
	}

#define yy_set_bol(at_bol) \
	{ \
	if ( ! yy_current_buffer ) \
		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
	yy_current_buffer->yy_at_bol = at_bol; \
	}

#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)


#define YY_USES_REJECT
typedef unsigned char YY_CHAR;
FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
typedef int yy_state_type;
extern int yylineno;
int yylineno = 1;
extern char *yytext;
#define yytext_ptr yytext

static yy_state_type yy_get_previous_state YY_PROTO(( void ));
static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
static int yy_get_next_buffer YY_PROTO(( void ));
static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));

/* Done after the current pattern has been matched and before the
 * corresponding action - sets up yytext.
 */
#define YY_DO_BEFORE_ACTION \
	yytext_ptr = yy_bp; \
	yyleng = (int) (yy_cp - yy_bp); \
	yy_hold_char = *yy_cp; \
	*yy_cp = '\0'; \
	yy_c_buf_p = yy_cp;

#define YY_NUM_RULES 76
#define YY_END_OF_BUFFER 77
static yyconst short int yy_acclist[366] =
    {   0,
       10,   10,    6,    6,   23,   23,   26,   26,    9,    9,
       27,   27,   18,   18,   77,   76,   24,   76,   76,   76,
       76,   76,   65,   76,   59,   65,   76,   59,   76,   24,
       65,   76,   48,   65,   76,   53,   65,   76,   57,   65,
       76,   58,   65,   76,   52,   65,   76,   55,   65,   76,
       51,   65,   76,   56,   65,   76,   65,   76,   54,   65,
       76,   39,   65,   76,16420,   50,   65,   76,   64,   65,
       76,   49,   65,   76,   49,   65,   76,   62,   65,   76,
       63,   65,   76,   60,   65,   76,   61,   65,   76,   45,
       76,   44,   45,   76,   44,   76,   33,   45,   76,   21,

       24,   45,   76,   31,   33,   45,   76,   31,   33,   45,
       76,   15,   45,   76,   31,   45,   76,   31,   33,   45,
       76,   31,   45,   76,   31,   33,   45,   76,   39,   45,
       76,16420,   31,   33,   45,   76,   43,   45,   76,16419,
       43,   45,   76,16419,   43,   45,   76,16419,   74,   76,
       73,   76,   73,   74,   76,   24,   74,   76,   74,   76,
       74,   76,   74,   76,   74,   76,   74,   75,   76,   71,
       76,   69,   71,   76,   71,   76,   71,   76,   71,   76,
       71,   76,   70,   76,   67,   76,   68,   76,   10,   76,
        8,   76,    3,    6,   76,    3,    6,   76,    3,   76,

        6,   76,   23,   76,   22,   76,   26,   76,   25,   76,
       26,   76,    9,   76,   14,   76,   27,   76,   28,   76,
       18,   76,   16,   76,   76,   40,16421,    4,   40,16421,
       48,   48,   48,   48,   39,16420,   40,16421,   40,16421,
       49,   49,   33,   33,   33,   34,   33,   33,    4,   33,
       33,   29,   33,   42,   43,16419,    7,   13,   74,   74,
       74,   40,   74,16421,    4,   74,   40,   74,16421,   68,
       10,    6,    6,    5,   23,   26,   26,   26,    9,   27,
       18,   17,   19,    4,    4,   40,16421,   48,   48,   47,
     8228,   40,16421,   41,16422,   49,   32,   30,   32,   30,

       32,   34,   30,    1,   33,   33,   30,   32,    4,   33,
        4,   33,    4,   33,   42, 8227,   74,   74,   74,    4,
       74,    4,   74,   40,   74,16421,   12,    5,   11,   20,
     8229,    2,    4,   49,   32,    2,    4,   33,   32,   42,
     8229,   74,   74,    2,    4,   74,    2,    2,    2,   48,
     8230,   49,   42,    2,   74,    2,   74,    2,   49,   46,
       49,   46,   46,   66,   72
    } ;

static yyconst short int yy_accept[273] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    2,    3,    4,    5,    6,    7,    8,
        9,   10,   11,   12,   13,   14,   15,   16,   17,   19,
       20,   21,   22,   23,   25,   28,   30,   33,   36,   39,
       42,   45,   48,   51,   54,   57,   59,   62,   66,   69,
       72,   75,   78,   81,   84,   87,   90,   92,   95,   97,
      100,  104,  108,  112,  115,  118,  122,  125,  129,  133,
      137,  141,  145,  149,  151,  153,  156,  159,  161,  163,
      165,  167,  170,  172,  175,  177,  179,  181,  183,  185,
      187,  189,  191,  193,  196,  199,  201,  203,  205,  207,

      209,  211,  213,  215,  217,  219,  221,  223,  225,  226,
      226,  226,  228,  229,  231,  231,  232,  233,  234,  235,
      235,  237,  239,  239,  239,  239,  241,  241,  242,  243,
      244,  245,  245,  246,  247,  248,  248,  249,  251,  252,
      254,  255,  255,  255,  257,  258,  259,  260,  261,  262,
      265,  267,  270,  271,  272,  272,  272,  273,  274,  274,
      274,  275,  276,  277,  278,  279,  280,  280,  280,  281,
      282,  282,  282,  283,  284,  284,  284,  284,  285,  286,
      288,  289,  290,  290,  291,  292,  294,  294,  296,  297,
      298,  300,  303,  304,  304,  305,  306,  307,  309,  311,

      313,  315,  315,  315,  316,  317,  318,  319,  320,  322,
      324,  327,  327,  327,  328,  329,  329,  329,  330,  330,
      330,  331,  332,  332,  334,  334,  334,  334,  334,  335,
      336,  339,  340,  341,  343,  344,  347,  348,  349,  350,
      351,  352,  352,  353,  354,  356,  358,  359,  359,  359,
      360,  360,  360,  362,  362,  363,  364,  364,  364,  364,
      364,  364,  364,  364,  364,  364,  364,  364,  365,  365,
      366,  366
    } ;

static yyconst int yy_ec[256] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
        1,    4,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    5,    1,    1,
        1,    2,    5,    6,    7,    8,    9,    5,   10,   11,
       12,   13,   14,   15,   16,   17,   18,   19,   19,   19,
       19,   19,   19,   19,   19,   19,   19,   20,   21,   22,
       23,   24,    5,    5,   25,   26,   27,   28,   29,   30,
       25,   25,   31,   25,   25,   32,   25,   33,   25,   25,
       34,   25,   35,   25,   36,   25,   25,   37,   25,   25,
       38,   39,   40,    5,   25,    1,   25,   26,   27,   28,

       29,   30,   25,   25,   31,   25,   25,   32,   25,   33,
       25,   25,   34,   25,   35,   25,   36,   25,   25,   37,
       25,   25,   41,   22,   42,    5,    1,   25,   25,   25,
       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,

       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
       25,   25,   25,   25,   25
    } ;

static yyconst int yy_meta[43] =
    {   0,
        1,    2,    3,    4,    5,    6,    5,    5,    5,    7,
        1,    1,    8,    5,    1,    9,   10,    5,   11,    5,
        1,    5,    5,    5,   12,   12,   12,   12,   12,   12,
       12,   12,   12,   12,   12,   12,   12,    1,   13,    1,
        1,    1
    } ;

static yyconst short int yy_base[302] =
    {   0,
        0,    4,   23,    0,   65,    0,  106,  126,  146,  166,
      186,    0,  597,  588,  219,  239,  589,  584,  107,  112,
      575,  570,  117,  137,  116,  121,  572, 1138, 1138,   97,
      552,  556,   98, 1138,    0,  154, 1138,  132, 1138, 1138,
     1138, 1138, 1138, 1138,  117,  549,  141,  262, 1138, 1138,
        0,  521, 1138, 1138, 1138, 1138, 1138, 1138, 1138,  540,
     1138,  175,  157, 1138,  193,  182,  266,  258,    0,  290,
      284,  326,  544,    0, 1138,    0,    0,  189,  533,  528,
      212,    0, 1138, 1138,  217,  518,  523,  221, 1138, 1138,
        0,    0,    9,    0,  338,  162,    0,    0, 1138,  495,

     1138,  168,    0,  247,  329, 1138,    0,  361,    0,  510,
      237,  364,  379,  375,  337,  257,  270,  522,  346,  505,
        0,  402,  516,  406,  397,  421,  356,    0,  487,  495,
      318,  425,  288,  490,  336,  340,  448,  468,  490,  491,
      121,  430,  501,  495, 1138, 1138,    0,  477,  357,  519,
      537,  524,    0,    0,  440,  560,    0,    0,  168,  481,
      445,    0,  450,  219,  448,    0,  476,  563,  498,    0,
      529,  572, 1138, 1138,  575,  567,  472,  592,  465,  615,
      585,  590,  471, 1138, 1138,  619,  450,  623,  436, 1138,
     1138,  441, 1138,  456, 1138,    0,  379,  451,    0,  434,