source: trunk/tools/porting/src/rpplexer.h@ 500

Last change on this file since 500 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 3.1 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5** Copyright (C) 2001-2004 Roberto Raggi
6**
7** This file is part of the qt3to4 porting application of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain
25** additional rights. These rights are described in the Nokia Qt LGPL
26** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
27** package.
28**
29** GNU General Public License Usage
30** Alternatively, this file may be used under the terms of the GNU
31** General Public License version 3.0 as published by the Free Software
32** Foundation and appearing in the file LICENSE.GPL included in the
33** packaging of this file. Please review the following information to
34** ensure the GNU General Public License version 3.0 requirements will be
35** met: http://www.gnu.org/copyleft/gpl.html.
36**
37** If you are unsure which license is appropriate for your use, please
38** contact the sales department at [email protected].
39** $QT_END_LICENSE$
40**
41****************************************************************************/
42
43#ifndef RPPLEXER_H
44#define RPPLEXER_H
45
46#include "tokens.h"
47#include "tokenengine.h"
48#include <QByteArray>
49#include <QVector>
50
51QT_BEGIN_NAMESPACE
52
53namespace Rpp {
54
55class RppLexer
56{
57public:
58
59 RppLexer();
60 QVector<Type> lex(const TokenEngine::TokenContainer &tokenContainer);
61private:
62 Type indentify(int pos, int length);
63 void setupScanTable();
64
65 void scanChar(int *kind);
66 void scanUnicodeChar(int *kind);
67 void scanNewline(int *kind);
68 void scanWhiteSpaces(int *kind);
69 void scanCharLiteral(int *kind);
70 void scanStringLiteral(int *kind);
71 void scanNumberLiteral(int *kind);
72 void scanIdentifier(int *kind);
73 void scanPreprocessor(int *kind);
74 void scanComment(int *kind);
75 void scanOperator(int *kind);
76 void scanKeyword(int *kind);
77
78 bool match(const char *buf, int len);
79 typedef void (RppLexer::*scan_fun_ptr)(int *kind);
80 RppLexer::scan_fun_ptr s_scan_table[128+1];
81 int s_attr_table[256];
82
83 enum
84 {
85 A_Alpha = 0x01,
86 A_Digit = 0x02,
87 A_Alphanum = A_Alpha | A_Digit,
88 A_Whitespace = 0x04
89 };
90
91 const char *m_buffer;
92 int m_ptr;
93 int m_len;
94};
95
96} //namespace Rpp
97
98QT_END_NAMESPACE
99
100#endif
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