aboutsummaryrefslogtreecommitdiffstats
path: root/src/plugins/qtscripteditor/parser/javascriptengine_p.h
blob: 82e1b957590fac1a75fe169ede6967b414013f94 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
**
**************************************************************************/

#ifndef JAVASCRIPTENGINE_P_H
#define JAVASCRIPTENGINE_P_H

#include "javascriptvalue.h"
#include <QString>
#include <QSet>

QT_BEGIN_NAMESPACE

namespace JavaScript {

class Node;
class Lexer;
class NodePool;

namespace AST {

class Node;

} // end of namespace AST

namespace Ecma {

class RegExp
{
public:
    enum RegExpFlag {
        Global     = 0x01,
        IgnoreCase = 0x02,
        Multiline  = 0x04
    };

public:
  static int flagFromChar(const QChar &);
};

} // end of namespace Ecma

} // end of namespace JavaScript



class JavaScriptNameIdImpl
{
    QString _text;

public:
    JavaScriptNameIdImpl(const QChar *u, int s)
        : _text(u, s)
    { }

    const QString asString() const
    { return _text; }

    bool operator == (const JavaScriptNameIdImpl &other) const
    { return _text == other._text; }

    bool operator != (const JavaScriptNameIdImpl &other) const
    { return _text != other._text; }

    bool operator < (const JavaScriptNameIdImpl &other) const
    { return _text < other._text; }
};

inline uint qHash(const JavaScriptNameIdImpl &id)
{ return qHash(id.asString()); }

class JavaScriptEnginePrivate
{
    JavaScript::Lexer *_lexer;
    JavaScript::NodePool *_nodePool;
    JavaScript::AST::Node *_ast;
    QSet<JavaScriptNameIdImpl> _literals;

public:
    JavaScriptEnginePrivate()
        : _lexer(0), _nodePool(0), _ast(0)
    { }

    QSet<JavaScriptNameIdImpl> literals() const
    { return _literals; }

    JavaScriptNameIdImpl *intern(const QChar *u, int s)
    { return const_cast<JavaScriptNameIdImpl *>(&*_literals.insert(JavaScriptNameIdImpl(u, s))); }

    JavaScript::Lexer *lexer() const
    { return _lexer; }

    void setLexer(JavaScript::Lexer *lexer)
    { _lexer = lexer; }

    JavaScript::NodePool *nodePool() const
    { return _nodePool; }

    void setNodePool(JavaScript::NodePool *nodePool)
    { _nodePool = nodePool; }

    JavaScript::AST::Node *ast() const
    { return _ast; }

    JavaScript::AST::Node *changeAbstractSyntaxTree(JavaScript::AST::Node *node)
    {
        JavaScript::AST::Node *previousAST = _ast;
        _ast = node;
        return previousAST;
    }
};

QT_END_NAMESPACE

#endif // JAVASCRIPTENGINE_P_H