mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
132 lines
5.0 KiB
132 lines
5.0 KiB
/*++
|
|
|
|
|
|
|
|
// Copyright (c) 1995-2001 Microsoft Corporation, All Rights Reserved
|
|
|
|
Module Name:
|
|
|
|
sqllex.cpp
|
|
|
|
Abstract:
|
|
|
|
SQL Level 1 DFA Table
|
|
|
|
History:
|
|
|
|
|
|
--*/
|
|
|
|
#include "precomp.h"
|
|
|
|
#include <genlex.h>
|
|
#include <sqllex.h>
|
|
|
|
#define ST_STRING 23
|
|
#define ST_IDENT 28
|
|
#define ST_GE 34
|
|
#define ST_LE 36
|
|
#define ST_NE 39
|
|
#define ST_NUMERIC 41
|
|
#define ST_REAL 44
|
|
#define ST_STRING2 50
|
|
#define ST_STRING_ESC 55
|
|
#define ST_STRING2_ESC 56
|
|
|
|
// DFA State Table for SQL Level 1 lexical symbols.
|
|
// ================================================
|
|
|
|
LexEl Sql_1_LexTable[] =
|
|
{
|
|
|
|
// State First Last New state, Return tok, Instructions
|
|
// =======================================================================
|
|
/* 0 */ L'A', L'Z', ST_IDENT, 0, GLEX_ACCEPT,
|
|
/* 1 */ L'a', L'z', ST_IDENT, 0, GLEX_ACCEPT,
|
|
/* 2 */ L'_', GLEX_EMPTY, ST_IDENT, 0, GLEX_ACCEPT,
|
|
/* 3 */ 0x80, 0xfffd, ST_IDENT, 0, GLEX_ACCEPT,
|
|
|
|
/* 4 */ L'(', GLEX_EMPTY, 0, SQL_1_TOK_OPEN_PAREN, GLEX_ACCEPT,
|
|
/* 5 */ L')', GLEX_EMPTY, 0, SQL_1_TOK_CLOSE_PAREN, GLEX_ACCEPT,
|
|
/* 6 */ L'.', GLEX_EMPTY, 0, SQL_1_TOK_DOT, GLEX_ACCEPT,
|
|
/* 7 */ L'*', GLEX_EMPTY, 0, SQL_1_TOK_ASTERISK, GLEX_ACCEPT,
|
|
/* 8 */ L'=', GLEX_EMPTY, 0, SQL_1_TOK_EQ, GLEX_ACCEPT,
|
|
|
|
/* 9 */ L'>', GLEX_EMPTY, ST_GE, 0, GLEX_ACCEPT,
|
|
/* 10 */ L'<', GLEX_EMPTY, ST_LE, 0, GLEX_ACCEPT,
|
|
/* 11 */ L'0', L'9', ST_NUMERIC, 0, GLEX_ACCEPT,
|
|
/* 12 */ L'"', GLEX_EMPTY, ST_STRING, 0, GLEX_CONSUME,
|
|
/* 13 */ L'\'', GLEX_EMPTY, ST_STRING2, 0, GLEX_CONSUME,
|
|
/* 14 */ L'!', GLEX_EMPTY, ST_NE, 0, GLEX_ACCEPT,
|
|
/* 15 */ L'-', GLEX_EMPTY, ST_NUMERIC, 0, GLEX_ACCEPT,
|
|
|
|
// Whitespace, newlines, etc.
|
|
/* 16 */ L' ', GLEX_EMPTY, 0, 0, GLEX_CONSUME,
|
|
/* 17 */ L'\t', GLEX_EMPTY, 0, 0, GLEX_CONSUME,
|
|
/* 18 */ L'\n', GLEX_EMPTY, 0, 0, GLEX_CONSUME|GLEX_LINEFEED,
|
|
/* 19 */ L'\r', GLEX_EMPTY, 0, 0, GLEX_CONSUME,
|
|
/* 20 */ 0, GLEX_EMPTY, 0, SQL_1_TOK_EOF, GLEX_CONSUME|GLEX_RETURN, // Note forced return
|
|
/* 21 */ L',', GLEX_EMPTY, 0, SQL_1_TOK_COMMA, GLEX_ACCEPT,
|
|
|
|
// Unknown characters
|
|
|
|
/* 22 */ GLEX_ANY, GLEX_EMPTY, 0, SQL_1_TOK_ERROR, GLEX_ACCEPT|GLEX_RETURN,
|
|
|
|
// ST_STRING
|
|
/* 23 */ L'\n', GLEX_EMPTY, 0, SQL_1_TOK_ERROR, GLEX_ACCEPT|GLEX_LINEFEED,
|
|
/* 24 */ L'\r', GLEX_EMPTY, 0, SQL_1_TOK_ERROR, GLEX_ACCEPT|GLEX_LINEFEED,
|
|
/* 25 */ L'"', GLEX_EMPTY, 0, SQL_1_TOK_QSTRING, GLEX_CONSUME,
|
|
/* 26 */ L'\\', GLEX_EMPTY, ST_STRING_ESC, 0, GLEX_CONSUME,
|
|
/* 27 */ GLEX_ANY, GLEX_EMPTY, ST_STRING, 0, GLEX_ACCEPT,
|
|
|
|
// ST_IDENT
|
|
|
|
/* 28 */ L'a', L'z', ST_IDENT, 0, GLEX_ACCEPT,
|
|
/* 29 */ L'A', L'Z', ST_IDENT, 0, GLEX_ACCEPT,
|
|
/* 30 */ L'_', GLEX_EMPTY, ST_IDENT, 0, GLEX_ACCEPT,
|
|
/* 31 */ L'0', L'9', ST_IDENT, 0, GLEX_ACCEPT,
|
|
/* 32 */ 0x80, 0xfffd, ST_IDENT, 0, GLEX_ACCEPT,
|
|
/* 33 */ GLEX_ANY, GLEX_EMPTY, 0, SQL_1_TOK_IDENT, GLEX_PUSHBACK|GLEX_RETURN,
|
|
|
|
// ST_GE
|
|
/* 34 */ L'=', GLEX_EMPTY, 0, SQL_1_TOK_GE, GLEX_ACCEPT,
|
|
/* 35 */ GLEX_ANY, GLEX_EMPTY, 0, SQL_1_TOK_GT, GLEX_PUSHBACK|GLEX_RETURN,
|
|
|
|
// ST_LE
|
|
/* 36 */ L'=', GLEX_EMPTY, 0, SQL_1_TOK_LE, GLEX_ACCEPT,
|
|
/* 37 */ L'>', GLEX_EMPTY, 0, SQL_1_TOK_NE, GLEX_ACCEPT,
|
|
/* 38 */ GLEX_ANY, GLEX_EMPTY, 0, SQL_1_TOK_LT, GLEX_PUSHBACK|GLEX_RETURN,
|
|
|
|
// ST_NE
|
|
/* 39 */ L'=', GLEX_EMPTY, 0, SQL_1_TOK_NE, GLEX_ACCEPT,
|
|
/* 40 */ GLEX_ANY, GLEX_EMPTY, 0, SQL_1_TOK_ERROR, GLEX_ACCEPT|GLEX_RETURN,
|
|
|
|
// ST_NUMERIC
|
|
/* 41 */ L'0', L'9', ST_NUMERIC, 0, GLEX_ACCEPT,
|
|
/* 42 */ L'.', GLEX_EMPTY, ST_REAL, 0, GLEX_ACCEPT,
|
|
/* 43 */ GLEX_ANY, GLEX_EMPTY, 0, SQL_1_TOK_INT, GLEX_PUSHBACK|GLEX_RETURN,
|
|
|
|
// ST_REAL
|
|
/* 44 */ L'0', L'9', ST_REAL, 0, GLEX_ACCEPT,
|
|
/* 45 */ L'E', GLEX_EMPTY, ST_REAL, 0, GLEX_ACCEPT,
|
|
/* 46 */ L'e', GLEX_EMPTY, ST_REAL, 0, GLEX_ACCEPT,
|
|
/* 47 */ L'+', GLEX_EMPTY, ST_REAL, 0, GLEX_ACCEPT,
|
|
/* 48 */ L'-', GLEX_EMPTY, ST_REAL, 0, GLEX_ACCEPT,
|
|
/* 49 */ GLEX_ANY, GLEX_EMPTY, 0, SQL_1_TOK_REAL, GLEX_PUSHBACK|GLEX_RETURN,
|
|
|
|
// ST_STRING2
|
|
/* 50 */ L'\n', GLEX_EMPTY, 0, SQL_1_TOK_ERROR, GLEX_ACCEPT|GLEX_LINEFEED,
|
|
/* 51 */ L'\r', GLEX_EMPTY, 0, SQL_1_TOK_ERROR, GLEX_ACCEPT|GLEX_LINEFEED,
|
|
/* 52 */ L'\'', GLEX_EMPTY, 0, SQL_1_TOK_QSTRING, GLEX_CONSUME,
|
|
/* 53 */ L'\\', GLEX_EMPTY, ST_STRING2_ESC, 0, GLEX_CONSUME,
|
|
/* 54 */ GLEX_ANY, GLEX_EMPTY, ST_STRING2, 0, GLEX_ACCEPT,
|
|
|
|
// ST_STRING_ESC
|
|
/* 55 */ GLEX_ANY, GLEX_EMPTY, ST_STRING, 0, GLEX_ACCEPT,
|
|
|
|
// ST_STRING2_ESC
|
|
/* 56 */ GLEX_ANY, GLEX_EMPTY, ST_STRING2, 0, GLEX_ACCEPT,
|
|
|
|
};
|
|
|
|
|