689 lines
19 KiB
C
689 lines
19 KiB
C
/*
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* Wine Message Compiler lexical scanner
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*
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* Copyright 2000 Bertho A. Stultiens (BS)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <assert.h>
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#include <string.h>
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#include "wmc.h"
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#include "utils.h"
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#include "lang.h"
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#include "mcy.tab.h"
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/*
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* Keywords are case insensitive. All normal input is treated as
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* being in codepage iso-8859-1 for ascii input files (unicode
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* page 0) and as equivalent unicode if unicode input is selected.
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* All normal input, which is not part of a message text, is
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* enforced to be unicode page 0. Otherwise an error will be
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* generated. The normal file data should only be ASCII because
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* that is the basic definition of the grammar.
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*
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* Byteorder or unicode input is determined automatically by
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* reading the first 8 bytes and checking them against unicode
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* page 0 byteorder (hibyte must be 0).
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* -- FIXME --
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* Alternatively, the input is checked against a special byte
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* sequence to identify the file.
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* -- FIXME --
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*
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*
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* Keywords:
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* Codepages
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* Facility
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* FacilityNames
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* LanguageNames
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* MessageId
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* MessageIdTypedef
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* Severity
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* SeverityNames
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* SymbolicName
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*
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* Default added identifiers for classes:
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* SeverityNames:
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* Success = 0x0
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* Informational = 0x1
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* Warning = 0x2
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* Error = 0x3
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* FacilityNames:
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* System = 0x0FF
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* Application = 0xFFF
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*
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* The 'Codepages' keyword is a wmc extension.
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*/
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static const WCHAR ustr_application[] = { 'A', 'p', 'p', 'l', 'i', 'c', 'a', 't', 'i', 'o', 'n', 0 };
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static const WCHAR ustr_codepages[] = { 'C', 'o', 'd', 'e', 'p', 'a', 'g', 'e', 's', 0 };
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static const WCHAR ustr_english[] = { 'E', 'n', 'g', 'l', 'i', 's', 'h', 0 };
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static const WCHAR ustr_error[] = { 'E', 'r', 'r', 'o', 'r', 0 };
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static const WCHAR ustr_facility[] = { 'F', 'a', 'c', 'i', 'l', 'i', 't', 'y', 0 };
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static const WCHAR ustr_facilitynames[] = { 'F', 'a', 'c', 'i', 'l', 'i', 't', 'y', 'N', 'a', 'm', 'e', 's', 0 };
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static const WCHAR ustr_informational[] = { 'I', 'n', 'f', 'o', 'r', 'm', 'a', 't', 'i', 'o', 'n', 'a', 'l', 0 };
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static const WCHAR ustr_language[] = { 'L', 'a', 'n', 'g', 'u', 'a', 'g', 'e', 0};
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static const WCHAR ustr_languagenames[] = { 'L', 'a', 'n', 'g', 'u', 'a', 'g', 'e', 'N', 'a', 'm', 'e', 's', 0};
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static const WCHAR ustr_messageid[] = { 'M', 'e', 's', 's', 'a', 'g', 'e', 'I', 'd', 0 };
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static const WCHAR ustr_messageidtypedef[] = { 'M', 'e', 's', 's', 'a', 'g', 'e', 'I', 'd', 'T', 'y', 'p', 'e', 'd', 'e', 'f', 0 };
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static const WCHAR ustr_dxgi[] = { 'D', 'x', 'g', 'i', 0 };
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static const WCHAR ustr_null[] = { 'N', 'u', 'l', 'l', 0 };
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static const WCHAR ustr_outputbase[] = { 'O', 'u', 't', 'p', 'u', 't', 'B', 'a', 's', 'e', 0 };
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static const WCHAR ustr_severity[] = { 'S', 'e', 'v', 'e', 'r', 'i', 't', 'y', 0 };
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static const WCHAR ustr_severitynames[] = { 'S', 'e', 'v', 'e', 'r', 'i', 't', 'y', 'N', 'a', 'm', 'e', 's', 0 };
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static const WCHAR ustr_success[] = { 'S', 'u', 'c', 'c', 'e', 's', 's', 0 };
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static const WCHAR ustr_symbolicname[] = { 'S', 'y', 'm', 'b', 'o', 'l', 'i', 'c', 'N', 'a', 'm', 'e', 0 };
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static const WCHAR ustr_system[] = { 'S', 'y', 's', 't', 'e', 'm', 0 };
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static const WCHAR ustr_warning[] = { 'W', 'a', 'r', 'n', 'i', 'n', 'g', 0 };
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static const WCHAR ustr_msg00001[] = { 'm', 's', 'g', '0', '0', '0', '0', '1', 0 };
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/*
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* This table is to beat any form of "expression building" to check for
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* correct filename characters. It is also used for ident checks.
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* FIXME: use it more consistently.
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*/
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#define CH_SHORTNAME 0x01
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#define CH_LONGNAME 0x02
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#define CH_IDENT 0x04
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#define CH_NUMBER 0x08
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/*#define CH_WILDCARD 0x10*/
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/*#define CH_DOT 0x20*/
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#define CH_PUNCT 0x40
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#define CH_INVALID 0x80
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static const char char_table[256] = {
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, /* 0x00 - 0x07 */
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, /* 0x08 - 0x0F */
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, /* 0x10 - 0x17 */
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, /* 0x18 - 0x1F */
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0x80, 0x03, 0x80, 0x03, 0x03, 0x03, 0x03, 0x03, /* 0x20 - 0x27 " !"#$%&'" */
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0x43, 0x43, 0x10, 0x80, 0x03, 0x03, 0x22, 0x80, /* 0x28 - 0x2F "()*+,-./" */
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0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, /* 0x30 - 0x37 "01234567" */
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0x0b, 0x0b, 0xc0, 0x80, 0x80, 0x80, 0x80, 0x10, /* 0x38 - 0x3F "89:;<=>?" */
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0x03, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, /* 0x40 - 0x47 "@ABCDEFG" */
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0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, /* 0x48 - 0x4F "HIJKLMNO" */
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0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, /* 0x50 - 0x57 "PQRSTUVW" */
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0x07, 0x07, 0x07, 0x80, 0x80, 0x80, 0x80, 0x07, /* 0x58 - 0x5F "XYZ[\]^_" */
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0x03, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, /* 0x60 - 0x67 "`abcdefg" */
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0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, /* 0x68 - 0x6F "hijklmno" */
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0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, /* 0x70 - 0x77 "pqrstuvw" */
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0x07, 0x07, 0x07, 0x03, 0x80, 0x03, 0x03, 0x80, /* 0x78 - 0x7F "xyz{|}~ " */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0x80 - 0x87 */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0x88 - 0x8F */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0x90 - 0x97 */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0x98 - 0x9F */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xA0 - 0xA7 */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xA8 - 0xAF */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xB0 - 0xB7 */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xB8 - 0xBF */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xC0 - 0xC7 */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xC8 - 0xCF */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xD0 - 0xD7 */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xD8 - 0xDF */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xE0 - 0xE7 */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xE8 - 0xEF */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xF0 - 0xF7 */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x80, /* 0xF8 - 0xFF */
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};
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static int isisochar(int ch)
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{
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return !(ch & (~0xff));
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}
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static int codepage;
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void set_codepage(int cp)
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{
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codepage = cp;
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}
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/*
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* Input functions
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*/
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#define INPUTBUFFER_SIZE 2048 /* Must be larger than 4 and approx. large enough to hold a line */
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static int nungetstack = 0;
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static int allocungetstack = 0;
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static char *ungetstack = NULL;
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static int ninputbuffer = 0;
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static WCHAR inputbuffer[INPUTBUFFER_SIZE];
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/*
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* Fill the input buffer with *one* line of input.
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* The line is '\n' terminated so that scanning
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* messages with translation works as expected
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* (otherwise we cannot pre-translate because the
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* language is first known one line before the
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* actual message).
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*/
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static int fill_inputbuffer(void)
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{
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static enum input_mode { INPUT_UNKNOWN, INPUT_ASCII, INPUT_UTF8, INPUT_UNICODE } mode;
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static int swapped;
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static unsigned char utf8_bom[3] = { 0xef, 0xbb, 0xbf };
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WCHAR *wbuf;
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int i, pos = 0, len = 0;
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char buffer[INPUTBUFFER_SIZE];
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if (mode == INPUT_UNKNOWN)
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{
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len = fread( buffer, 1, 8, yyin );
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wbuf = (WCHAR *)buffer;
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if (len >= 3 && !memcmp( buffer, utf8_bom, 3 ))
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{
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mode = INPUT_UTF8;
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memmove( buffer, buffer + 3, len - 3 );
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len -= 3;
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}
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else if (len == 8)
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{
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if (wbuf[0] == 0xfeff || wbuf[0] == 0xfffe)
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{
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mode = INPUT_UNICODE;
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pos = 1;
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swapped = (wbuf[0] == 0xfffe);
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}
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else if (!((wbuf[0] | wbuf[1] | wbuf[2] | wbuf[3]) & 0xff00))
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{
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mode = INPUT_UNICODE;
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}
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else if (!((wbuf[0] | wbuf[1] | wbuf[2] | wbuf[3]) & 0x00ff))
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{
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mode = INPUT_UNICODE;
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swapped = 1;
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}
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}
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if (mode == INPUT_UNICODE)
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{
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len = 4 - pos;
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memcpy( inputbuffer, wbuf + pos, len * sizeof(WCHAR) );
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}
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else if (mode == INPUT_UNKNOWN) mode = unicodein ? INPUT_UTF8 : INPUT_ASCII;
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}
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switch (mode)
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{
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case INPUT_ASCII:
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if (!fgets( buffer + len, sizeof(buffer) - len, yyin )) break;
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wbuf = codepage_to_unicode( codepage, buffer, strlen(buffer), &ninputbuffer );
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memcpy( inputbuffer, wbuf, ninputbuffer * sizeof(WCHAR) );
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free( wbuf );
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return 1;
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case INPUT_UTF8:
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if (!fgets( buffer + len, sizeof(buffer) - len, yyin )) break;
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wbuf = utf8_to_unicode( buffer, strlen(buffer), &ninputbuffer );
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memcpy( inputbuffer, wbuf, ninputbuffer * sizeof(WCHAR) );
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free( wbuf );
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return 1;
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case INPUT_UNICODE:
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len += fread( inputbuffer + len, sizeof(WCHAR), INPUTBUFFER_SIZE - len, yyin );
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if (!len) break;
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if (swapped) for (i = 0; i < len; i++) inputbuffer[i] = (inputbuffer[i] << 8) | (inputbuffer[i] >> 8);
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ninputbuffer = len;
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return 1;
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case INPUT_UNKNOWN:
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break;
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}
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if (ferror(yyin)) xyyerror( "Fatal: reading input failed\n" );
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return 0;
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}
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static int get_unichar(void)
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{
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static WCHAR *b = NULL;
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char_number++;
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if(nungetstack)
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return ungetstack[--nungetstack];
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if(!ninputbuffer)
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{
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if(!fill_inputbuffer())
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return EOF;
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b = inputbuffer;
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}
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ninputbuffer--;
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return *b++;
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}
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static void unget_unichar(int ch)
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{
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if(ch == EOF)
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return;
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char_number--;
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if(nungetstack == allocungetstack)
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{
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allocungetstack += 32;
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ungetstack = xrealloc(ungetstack, allocungetstack * sizeof(*ungetstack));
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}
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ungetstack[nungetstack++] = (WCHAR)ch;
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}
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/*
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* Normal character stack.
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* Used for number scanning.
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*/
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static int ncharstack = 0;
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static int alloccharstack = 0;
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static char *charstack = NULL;
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static void empty_char_stack(void)
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{
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ncharstack = 0;
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}
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static void push_char(int ch)
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{
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if(ncharstack == alloccharstack)
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{
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alloccharstack += 32;
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charstack = xrealloc(charstack, alloccharstack * sizeof(*charstack));
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}
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charstack[ncharstack++] = (char)ch;
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}
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static int tos_char_stack(void)
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{
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if(!ncharstack)
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return 0;
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else
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return (int)(charstack[ncharstack-1] & 0xff);
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}
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static char *get_char_stack(void)
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{
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return charstack;
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}
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/*
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* Unicode character stack.
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* Used for general scanner.
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*/
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static int nunicharstack = 0;
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static int allocunicharstack = 0;
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static WCHAR *unicharstack = NULL;
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static void empty_unichar_stack(void)
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{
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nunicharstack = 0;
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}
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static void push_unichar(int ch)
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{
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if(nunicharstack == allocunicharstack)
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{
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allocunicharstack += 128;
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unicharstack = xrealloc(unicharstack, allocunicharstack * sizeof(*unicharstack));
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}
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unicharstack[nunicharstack++] = (WCHAR)ch;
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}
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#if 0
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static int tos_unichar_stack(void)
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{
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if(!nunicharstack)
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return 0;
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else
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return (int)(unicharstack[nunicharstack-1] & 0xffff);
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}
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#endif
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static WCHAR *get_unichar_stack(void)
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{
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return unicharstack;
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}
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/*
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* Number scanner
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*
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* state | ch | next state
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* ------+-----------------+--------------------------
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* 0 | [0] | 1
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* 0 | [1-9] | 4
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* 0 | . | error (should never occur)
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* 1 | [xX] | 2
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* 1 | [0-7] | 3
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* 1 | [89a-wyzA-WYZ_] | error invalid digit
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* 1 | . | return 0
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* 2 | [0-9a-fA-F] | 2
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* 2 | [g-zG-Z_] | error invalid hex digit
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* 2 | . | return (hex-number) if TOS != [xX] else error
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* 3 | [0-7] | 3
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* 3 | [89a-zA-Z_] | error invalid octal digit
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* 3 | . | return (octal-number)
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* 4 | [0-9] | 4
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* 4 | [a-zA-Z_] | error invalid decimal digit
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* 4 | . | return (decimal-number)
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*
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* All non-identifier characters [^a-zA-Z_0-9] terminate the scan
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* and return the value. This is not entirely correct, but close
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* enough (should check punctuators as trailing context, but the
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* char_table is not adapted to that and it is questionable whether
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* it is worth the trouble).
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* All non-iso-8859-1 characters are an error.
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*/
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static int scan_number(int ch)
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{
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int state = 0;
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int base = 10;
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empty_char_stack();
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while(1)
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{
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if(!isisochar(ch))
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xyyerror("Invalid digit\n");
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switch(state)
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{
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case 0:
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if(isdigit(ch))
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{
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push_char(ch);
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if(ch == '0')
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state = 1;
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else
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state = 4;
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}
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else
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internal_error(__FILE__, __LINE__, "Non-digit in first number-scanner state\n");
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break;
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case 1:
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if(ch == 'x' || ch == 'X')
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{
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push_char(ch);
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state = 2;
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}
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else if(ch >= '0' && ch <= '7')
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{
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push_char(ch);
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state = 3;
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}
|
|
else if(isalpha(ch) || ch == '_')
|
|
xyyerror("Invalid number digit\n");
|
|
else
|
|
{
|
|
unget_unichar(ch);
|
|
mcy_lval.num = 0;
|
|
return tNUMBER;
|
|
}
|
|
break;
|
|
case 2:
|
|
if(isxdigit(ch))
|
|
push_char(ch);
|
|
else if(isalpha(ch) || ch == '_' || !isxdigit(tos_char_stack()))
|
|
xyyerror("Invalid hex digit\n");
|
|
else
|
|
{
|
|
base = 16;
|
|
goto finish;
|
|
}
|
|
break;
|
|
case 3:
|
|
if(ch >= '0' && ch <= '7')
|
|
push_char(ch);
|
|
else if(isalnum(ch) || ch == '_')
|
|
xyyerror("Invalid octal digit\n");
|
|
else
|
|
{
|
|
base = 8;
|
|
goto finish;
|
|
}
|
|
break;
|
|
case 4:
|
|
if(isdigit(ch))
|
|
push_char(ch);
|
|
else if(isalnum(ch) || ch == '_')
|
|
xyyerror("Invalid decimal digit\n");
|
|
else
|
|
{
|
|
base = 10;
|
|
goto finish;
|
|
}
|
|
break;
|
|
default:
|
|
internal_error(__FILE__, __LINE__, "Invalid state in number-scanner\n");
|
|
}
|
|
ch = get_unichar();
|
|
}
|
|
finish:
|
|
unget_unichar(ch);
|
|
push_char(0);
|
|
mcy_lval.num = strtoul(get_char_stack(), NULL, base);
|
|
return tNUMBER;
|
|
}
|
|
|
|
static void newline(void)
|
|
{
|
|
line_number++;
|
|
char_number = 1;
|
|
}
|
|
|
|
static int unisort(const void *p1, const void *p2)
|
|
{
|
|
return unistricmp(((const struct token *)p1)->name, ((const struct token *)p2)->name);
|
|
}
|
|
|
|
static struct token *tokentable = NULL;
|
|
static int ntokentable = 0;
|
|
|
|
struct token *lookup_token(const WCHAR *s)
|
|
{
|
|
struct token tok;
|
|
|
|
tok.name = s;
|
|
return (struct token *)bsearch(&tok, tokentable, ntokentable, sizeof(*tokentable), unisort);
|
|
}
|
|
|
|
void add_token(enum tok_enum type, const WCHAR *name, int tok, int cp, const WCHAR *alias, int fix)
|
|
{
|
|
ntokentable++;
|
|
tokentable = xrealloc(tokentable, ntokentable * sizeof(*tokentable));
|
|
tokentable[ntokentable-1].type = type;
|
|
tokentable[ntokentable-1].name = name;
|
|
tokentable[ntokentable-1].token = tok;
|
|
tokentable[ntokentable-1].codepage = cp;
|
|
tokentable[ntokentable-1].alias = alias;
|
|
tokentable[ntokentable-1].fixed = fix;
|
|
qsort(tokentable, ntokentable, sizeof(*tokentable), unisort);
|
|
}
|
|
|
|
void get_tokentable(struct token **tab, int *len)
|
|
{
|
|
assert(tab != NULL);
|
|
assert(len != NULL);
|
|
*tab = tokentable;
|
|
*len = ntokentable;
|
|
}
|
|
|
|
/*
|
|
* The scanner
|
|
*
|
|
*/
|
|
int mcy_lex(void)
|
|
{
|
|
static const WCHAR ustr_dot1[] = { '.', '\n', 0 };
|
|
static const WCHAR ustr_dot2[] = { '.', '\r', '\n', 0 };
|
|
static int isinit = 0;
|
|
int ch;
|
|
|
|
if(!isinit)
|
|
{
|
|
isinit++;
|
|
set_codepage(WMC_DEFAULT_CODEPAGE);
|
|
add_token(tok_keyword, ustr_codepages, tCODEPAGE, 0, NULL, 0);
|
|
add_token(tok_keyword, ustr_facility, tFACILITY, 0, NULL, 1);
|
|
add_token(tok_keyword, ustr_facilitynames, tFACNAMES, 0, NULL, 1);
|
|
add_token(tok_keyword, ustr_language, tLANGUAGE, 0, NULL, 1);
|
|
add_token(tok_keyword, ustr_languagenames, tLANNAMES, 0, NULL, 1);
|
|
add_token(tok_keyword, ustr_messageid, tMSGID, 0, NULL, 1);
|
|
add_token(tok_keyword, ustr_messageidtypedef, tTYPEDEF, 0, NULL, 1);
|
|
add_token(tok_keyword, ustr_outputbase, tBASE, 0, NULL, 1);
|
|
add_token(tok_keyword, ustr_severity, tSEVERITY, 0, NULL, 1);
|
|
add_token(tok_keyword, ustr_severitynames, tSEVNAMES, 0, NULL, 1);
|
|
add_token(tok_keyword, ustr_symbolicname, tSYMNAME, 0, NULL, 1);
|
|
add_token(tok_severity, ustr_error, 0x03, 0, NULL, 0);
|
|
add_token(tok_severity, ustr_warning, 0x02, 0, NULL, 0);
|
|
add_token(tok_severity, ustr_informational, 0x01, 0, NULL, 0);
|
|
add_token(tok_severity, ustr_success, 0x00, 0, NULL, 0);
|
|
add_token(tok_facility, ustr_application, 0xFFF, 0, NULL, 0);
|
|
add_token(tok_facility, ustr_system, 0x0FF, 0, NULL, 0);
|
|
add_token(tok_facility, ustr_dxgi, 0x87a, 0, NULL, 0);
|
|
add_token(tok_facility, ustr_null, 0x000, 0, NULL, 0);
|
|
add_token(tok_language, ustr_english, 0x409, 437, ustr_msg00001, 0);
|
|
}
|
|
|
|
empty_unichar_stack();
|
|
|
|
while(1)
|
|
{
|
|
if(want_line)
|
|
{
|
|
while((ch = get_unichar()) != '\n')
|
|
{
|
|
if(ch == EOF)
|
|
xyyerror("Unexpected EOF\n");
|
|
push_unichar(ch);
|
|
}
|
|
newline();
|
|
push_unichar(ch);
|
|
push_unichar(0);
|
|
if(!unistrcmp(ustr_dot1, get_unichar_stack()) || !unistrcmp(ustr_dot2, get_unichar_stack()))
|
|
{
|
|
want_line = 0;
|
|
/* Reset the codepage to our default after each message */
|
|
set_codepage(WMC_DEFAULT_CODEPAGE);
|
|
return tMSGEND;
|
|
}
|
|
mcy_lval.str = xunistrdup(get_unichar_stack());
|
|
return tLINE;
|
|
}
|
|
|
|
ch = get_unichar();
|
|
|
|
if(ch == EOF)
|
|
return EOF;
|
|
|
|
if(ch == '\n')
|
|
{
|
|
newline();
|
|
if(want_nl)
|
|
{
|
|
want_nl = 0;
|
|
return tNL;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if(isisochar(ch))
|
|
{
|
|
if(want_file)
|
|
{
|
|
int n = 0;
|
|
while(n < 8 && isisochar(ch))
|
|
{
|
|
int t = char_table[ch];
|
|
if((t & CH_PUNCT) || !(t & CH_SHORTNAME))
|
|
break;
|
|
|
|
push_unichar(ch);
|
|
n++;
|
|
ch = get_unichar();
|
|
}
|
|
unget_unichar(ch);
|
|
push_unichar(0);
|
|
want_file = 0;
|
|
mcy_lval.str = xunistrdup(get_unichar_stack());
|
|
return tFILE;
|
|
}
|
|
|
|
if(char_table[ch] & CH_IDENT)
|
|
{
|
|
struct token *tok;
|
|
while(isisochar(ch) && (char_table[ch] & (CH_IDENT|CH_NUMBER)))
|
|
{
|
|
push_unichar(ch);
|
|
ch = get_unichar();
|
|
}
|
|
unget_unichar(ch);
|
|
push_unichar(0);
|
|
if(!(tok = lookup_token(get_unichar_stack())))
|
|
{
|
|
mcy_lval.str = xunistrdup(get_unichar_stack());
|
|
return tIDENT;
|
|
}
|
|
switch(tok->type)
|
|
{
|
|
case tok_keyword:
|
|
return tok->token;
|
|
|
|
case tok_language:
|
|
codepage = tok->codepage;
|
|
/* Fall through */
|
|
case tok_severity:
|
|
case tok_facility:
|
|
mcy_lval.tok = tok;
|
|
return tTOKEN;
|
|
|
|
default:
|
|
internal_error(__FILE__, __LINE__, "Invalid token type encountered\n");
|
|
}
|
|
}
|
|
|
|
if(isspace(ch)) /* Ignore space */
|
|
continue;
|
|
|
|
if(isdigit(ch))
|
|
return scan_number(ch);
|
|
}
|
|
|
|
switch(ch)
|
|
{
|
|
case ':':
|
|
case '=':
|
|
case '+':
|
|
case '(':
|
|
case ')':
|
|
return ch;
|
|
case ';':
|
|
while(ch != '\n' && ch != EOF)
|
|
{
|
|
push_unichar(ch);
|
|
ch = get_unichar();
|
|
}
|
|
newline();
|
|
push_unichar(ch); /* Include the newline */
|
|
push_unichar(0);
|
|
mcy_lval.str = xunistrdup(get_unichar_stack());
|
|
return tCOMMENT;
|
|
default:
|
|
xyyerror("Invalid character '%c' (0x%04x)\n", isisochar(ch) && isprint(ch) ? ch : '.', ch);
|
|
}
|
|
}
|
|
}
|