1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QLALR module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:GPL-EXCEPT$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU
19** General Public License version 3 as published by the Free Software
20** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
21** included in the packaging of this file. Please review the following
22** information to ensure the GNU General Public License requirements will
23** be met: https://www.gnu.org/licenses/gpl-3.0.html.
24**
25** $QT_END_LICENSE$
26**
27****************************************************************************/
28
29#ifndef CPPGENERATOR_H
30#define CPPGENERATOR_H
31
32#include "lalr.h"
33#include "compress.h"
34
35class Grammar;
36class Automaton;
37class Recognizer;
38
39class CppGenerator
40{
41public:
42 CppGenerator(const Recognizer &p, Grammar &grammar, Automaton &aut, bool verbose):
43 p (p),
44 grammar (grammar),
45 aut (aut),
46 verbose (verbose),
47 debug_info (false),
48 copyright (false) {}
49
50 void operator () ();
51
52 bool debugInfo () const { return debug_info; }
53 void setDebugInfo (bool d) { debug_info = d; }
54
55 void setCopyright (bool t) { copyright = t; }
56
57private:
58 void generateDecl (QTextStream &out);
59 void generateImpl (QTextStream &out);
60
61 QString debugInfoProt() const;
62 QString copyrightHeader() const;
63 QString privateCopyrightHeader() const;
64
65private:
66 static QString startIncludeGuard(const QString &fileName);
67 static QString endIncludeGuard(const QString &fileName);
68
69 const Recognizer &p;
70 Grammar &grammar;
71 Automaton &aut;
72 bool verbose;
73 int accept_state;
74 int state_count;
75 int terminal_count;
76 int non_terminal_count;
77 bool debug_info;
78 bool copyright;
79 Compress compressed_action;
80 Compress compressed_goto;
81 QVector<int> count;
82 QVector<int> defgoto;
83};
84
85#endif // CPPGENERATOR_H
86

source code of qtbase/src/tools/qlalr/cppgenerator.h