179 lines
7.5 KiB
C++
179 lines
7.5 KiB
C++
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/*++
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// Copyright (c) 1997-2001 Microsoft Corporation, All Rights Reserved
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Module Name:
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WQLLEX.CPP
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Abstract:
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WQL DFA Table
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History:
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raymcc 14-Sep-97 Created.
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raymcc 06-Oct-97 Single quote support
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--*/
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#include "precomp.h"
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#include <stdio.h>
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#include <genlex.h>
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#include <wqllex.h>
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#define ST_STRING 29
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#define ST_IDENT 34
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#define ST_GE 40
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#define ST_LE 42
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#define ST_NE 45
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#define ST_NUMERIC 47
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#define ST_REAL 54
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#define ST_STRING2 60
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#define ST_STRING_ESC 65
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#define ST_STRING2_ESC 66
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#define ST_SSTRING 67
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#define ST_DOT 71
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#define ST_BRACKETED_STR 74
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#define ST_NEGATIVE_NUM 76
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#define ST_POSITIVE_NUM 79
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#define ST_HEX_CONST 82
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// DFA State Table for QL Level 1 lexical symbols.
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// ================================================
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LexEl WQL_LexTable[] =
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{
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// State First Last New state, Return tok, Instructions
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// =======================================================================
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/* 0 */ L'A', L'Z', ST_IDENT, 0, GLEX_ACCEPT,
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/* 1 */ L'a', L'z', ST_IDENT, 0, GLEX_ACCEPT,
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/* 2 */ L'_', GLEX_EMPTY, ST_IDENT, 0, GLEX_ACCEPT,
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/* 3 */ 0x80, 0xfffd, ST_IDENT, 0, GLEX_ACCEPT,
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/* 4 */ L'(', GLEX_EMPTY, 0, WQL_TOK_OPEN_PAREN, GLEX_ACCEPT,
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/* 5 */ L')', GLEX_EMPTY, 0, WQL_TOK_CLOSE_PAREN, GLEX_ACCEPT,
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/* 6 */ L'.', GLEX_EMPTY, ST_DOT, 0, GLEX_ACCEPT,
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/* 7 */ L'*', GLEX_EMPTY, 0, WQL_TOK_ASTERISK, GLEX_ACCEPT,
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/* 8 */ L'=', GLEX_EMPTY, 0, WQL_TOK_EQ, GLEX_ACCEPT,
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/* 9 */ L'[', GLEX_EMPTY, ST_BRACKETED_STR, 0, GLEX_CONSUME,
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/* 10 */ L']', GLEX_EMPTY, 0, WQL_TOK_CLOSE_BRACKET, GLEX_ACCEPT,
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/* 11 */ L'{', GLEX_EMPTY, 0, WQL_TOK_OPEN_BRACE, GLEX_ACCEPT,
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/* 12 */ L'}', GLEX_EMPTY, 0, WQL_TOK_CLOSE_BRACE, GLEX_ACCEPT,
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/* 13 */ L'>', GLEX_EMPTY, ST_GE, 0, GLEX_ACCEPT,
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/* 14 */ L'<', GLEX_EMPTY, ST_LE, 0, GLEX_ACCEPT,
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/* 15 */ L'0', L'9', ST_NUMERIC, 0, GLEX_ACCEPT,
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/* 16 */ L'"', GLEX_EMPTY, ST_STRING, 0, GLEX_CONSUME,
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/* 17 */ L'\'', GLEX_EMPTY, ST_STRING2, 0, GLEX_CONSUME,
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/* 18 */ L'!', GLEX_EMPTY, ST_NE, 0, GLEX_ACCEPT,
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/* 19 */ L'-', GLEX_EMPTY, ST_NEGATIVE_NUM, 0, GLEX_ACCEPT,
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/* 20 */ L'\'', GLEX_EMPTY, ST_SSTRING, 0, GLEX_CONSUME,
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// Whitespace, newlines, etc.
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/* 21 */ L' ', GLEX_EMPTY, 0, 0, GLEX_CONSUME,
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/* 22 */ L'\t', GLEX_EMPTY, 0, 0, GLEX_CONSUME,
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/* 23 */ L'\n', GLEX_EMPTY, 0, 0, GLEX_CONSUME|GLEX_LINEFEED,
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/* 24 */ L'\r', GLEX_EMPTY, 0, 0, GLEX_CONSUME,
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/* 25 */ 0, GLEX_EMPTY, 0, WQL_TOK_EOF, GLEX_CONSUME|GLEX_RETURN, // Note forced return
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/* 26 */ L',', GLEX_EMPTY, 0, WQL_TOK_COMMA, GLEX_ACCEPT,
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/* 27 */ L'+', GLEX_EMPTY, ST_POSITIVE_NUM, 0, GLEX_CONSUME,
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// Unknown characters
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/* 28 */ GLEX_ANY, GLEX_EMPTY, 0, WQL_TOK_ERROR, GLEX_ACCEPT|GLEX_RETURN,
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// ST_STRING
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/* 29 */ L'\n', GLEX_EMPTY, 0, WQL_TOK_ERROR, GLEX_ACCEPT|GLEX_LINEFEED,
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/* 30 */ L'\r', GLEX_EMPTY, 0, WQL_TOK_ERROR, GLEX_ACCEPT|GLEX_LINEFEED,
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/* 31 */ L'"', GLEX_EMPTY, 0, WQL_TOK_QSTRING, GLEX_CONSUME,
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/* 32 */ L'\\', GLEX_EMPTY, ST_STRING_ESC, 0, GLEX_CONSUME,
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/* 33 */ GLEX_ANY, GLEX_EMPTY, ST_STRING, 0, GLEX_ACCEPT,
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// ST_IDENT
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/* 34 */ L'a', L'z', ST_IDENT, 0, GLEX_ACCEPT,
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/* 35 */ L'A', L'Z', ST_IDENT, 0, GLEX_ACCEPT,
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/* 36 */ L'_', GLEX_EMPTY, ST_IDENT, 0, GLEX_ACCEPT,
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/* 37 */ L'0', L'9', ST_IDENT, 0, GLEX_ACCEPT,
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/* 38 */ 0x80, 0xfffd, ST_IDENT, 0, GLEX_ACCEPT,
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/* 39 */ GLEX_ANY, GLEX_EMPTY, 0, WQL_TOK_IDENT, GLEX_PUSHBACK|GLEX_RETURN,
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// ST_GE
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/* 40 */ L'=', GLEX_EMPTY, 0, WQL_TOK_GE, GLEX_ACCEPT,
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/* 41 */ GLEX_ANY, GLEX_EMPTY, 0, WQL_TOK_GT, GLEX_PUSHBACK|GLEX_RETURN,
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// ST_LE
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/* 42 */ L'=', GLEX_EMPTY, 0, WQL_TOK_LE, GLEX_ACCEPT,
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/* 43 */ L'>', GLEX_EMPTY, 0, WQL_TOK_NE, GLEX_ACCEPT,
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/* 44 */ GLEX_ANY, GLEX_EMPTY, 0, WQL_TOK_LT, GLEX_PUSHBACK|GLEX_RETURN,
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// ST_NE
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/* 45 */ L'=', GLEX_EMPTY, 0, WQL_TOK_NE, GLEX_ACCEPT,
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/* 46 */ GLEX_ANY, GLEX_EMPTY, 0, WQL_TOK_ERROR, GLEX_ACCEPT|GLEX_RETURN,
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// ST_NUMERIC
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/* 47 */ L'0', L'9', ST_NUMERIC, 0, GLEX_ACCEPT,
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/* 48 */ L'.', GLEX_EMPTY, ST_REAL, 0, GLEX_ACCEPT,
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/* 49 */ L'E', GLEX_EMPTY, ST_REAL, 0, GLEX_ACCEPT,
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/* 50 */ L'e', GLEX_EMPTY, ST_REAL, 0, GLEX_ACCEPT,
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/* 51 */ L'x', GLEX_EMPTY, ST_HEX_CONST, 0, GLEX_ACCEPT,
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/* 52 */ L'X', GLEX_EMPTY, ST_HEX_CONST, 0, GLEX_ACCEPT,
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/* 53 */ GLEX_ANY, GLEX_EMPTY, 0, WQL_TOK_INT, GLEX_PUSHBACK|GLEX_RETURN,
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// ST_REAL
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/* 54 */ L'0', L'9', ST_REAL, 0, GLEX_ACCEPT,
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/* 55 */ L'E', GLEX_EMPTY, ST_REAL, 0, GLEX_ACCEPT,
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/* 56 */ L'e', GLEX_EMPTY, ST_REAL, 0, GLEX_ACCEPT,
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/* 57 */ L'+', GLEX_EMPTY, ST_REAL, 0, GLEX_ACCEPT,
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/* 58 */ L'-', GLEX_EMPTY, ST_REAL, 0, GLEX_ACCEPT,
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/* 59 */ GLEX_ANY, GLEX_EMPTY, 0, WQL_TOK_REAL, GLEX_PUSHBACK|GLEX_RETURN,
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// ST_STRING2
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/* 60 */ L'\n', GLEX_EMPTY, 0, WQL_TOK_ERROR, GLEX_ACCEPT|GLEX_LINEFEED,
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/* 61 */ L'\r', GLEX_EMPTY, 0, WQL_TOK_ERROR, GLEX_ACCEPT|GLEX_LINEFEED,
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/* 62 */ L'\'', GLEX_EMPTY, 0, WQL_TOK_QSTRING, GLEX_CONSUME,
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/* 63 */ L'\\', GLEX_EMPTY, ST_STRING2_ESC, 0, GLEX_CONSUME,
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/* 64 */ GLEX_ANY, GLEX_EMPTY, ST_STRING2, 0, GLEX_ACCEPT,
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// ST_STRING_ESC
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/* 65 */ GLEX_ANY, GLEX_EMPTY, ST_STRING, 0, GLEX_ACCEPT,
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// ST_STRING2_ESC
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/* 66 */ GLEX_ANY, GLEX_EMPTY, ST_STRING2, 0, GLEX_ACCEPT,
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// ST_SSTRING (Single quoted strings)
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/* 67 */ L'\n', GLEX_EMPTY, 0, WQL_TOK_ERROR, GLEX_ACCEPT|GLEX_LINEFEED,
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/* 68 */ L'\r', GLEX_EMPTY, 0, WQL_TOK_ERROR, GLEX_ACCEPT|GLEX_LINEFEED,
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/* 69 */ L'\'', GLEX_EMPTY, 0, WQL_TOK_QSTRING, GLEX_CONSUME,
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/* 70 */ L'\\', GLEX_EMPTY, ST_STRING_ESC, 0, GLEX_CONSUME,
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/* 71 */ GLEX_ANY, GLEX_EMPTY, ST_STRING, 0, GLEX_ACCEPT,
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// ST_DOT
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/* 72 */ L'0', L'9', ST_REAL, 0, GLEX_ACCEPT,
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/* 73 */ GLEX_ANY, GLEX_EMPTY, 0, WQL_TOK_DOT, GLEX_PUSHBACK|GLEX_RETURN,
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// ST_BRACKETED_STRING
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/* 74 */ L']', GLEX_EMPTY, 0, WQL_TOK_BRACKETED_STRING, GLEX_CONSUME,
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/* 75 */ GLEX_ANY, GLEX_EMPTY, ST_BRACKETED_STR, 0, GLEX_ACCEPT,
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// ST_NEGATIVE_NUM - Strips whitespace after '-'
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/* 76 */ L' ', GLEX_EMPTY, ST_NEGATIVE_NUM, 0, GLEX_CONSUME,
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/* 77 */ L'0', L'9', ST_NUMERIC, 0, GLEX_ACCEPT,
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/* 78 */ GLEX_ANY, GLEX_EMPTY, 0, WQL_TOK_ERROR, GLEX_ACCEPT|GLEX_RETURN,
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// ST_POSITIVE_NUM - Strips whitespace after '+'
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/* 79 */ L' ', GLEX_EMPTY, ST_POSITIVE_NUM, 0, GLEX_CONSUME,
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/* 80 */ L'0', L'9', ST_NUMERIC, 0, GLEX_ACCEPT,
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/* 81 */ GLEX_ANY, GLEX_EMPTY, 0, WQL_TOK_ERROR, GLEX_ACCEPT|GLEX_RETURN,
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// ST_HEX_CONST - Recognizes 0x hex constants
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/* 82 */ L'0', L'9', ST_HEX_CONST, 0, GLEX_ACCEPT,
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/* 83 */ GLEX_ANY, GLEX_EMPTY, 0, WQL_TOK_HEX_CONST, GLEX_PUSHBACK|GLEX_RETURN,
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};
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