source: trunk/src/script/qscriptasm.cpp@ 447

Last change on this file since 447 was 2, checked in by Dmitry A. Kuminov, 16 years ago

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

File size: 3.2 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the QtScript module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include <QtCore/QTextStream>
43
44#ifndef QT_NO_SCRIPT
45
46#include "qscriptasm_p.h"
47#include "qscriptvalueimpl_p.h"
48#include "qscriptengine_p.h"
49#include "qscriptcontext_p.h"
50#include "qscriptmember_p.h"
51#include "qscriptobject_p.h"
52
53QT_BEGIN_NAMESPACE
54
55const char *QScriptInstruction::opcode[] = {
56#define STR(a) #a
57#define Q_SCRIPT_DEFINE_OPERATOR(op) STR(i##op) ,
58#include "instruction.table"
59#undef Q_SCRIPT_DEFINE_OPERATOR
60#undef STR
61};
62
63void QScriptInstruction::print(QTextStream &out) const
64{
65 out << opcode[op];
66
67 if (! operand[0].isValid())
68 return;
69
70 out << '(' << operand[0].toString();
71
72 if (operand[1].isValid())
73 out << ", " << operand[1].toString();
74
75 out << ')';
76}
77
78namespace QScript {
79
80Code::Code():
81 optimized(false),
82 firstInstruction(0),
83 lastInstruction(0),
84 astPool(0)
85{
86}
87
88Code::~Code()
89{
90 delete[] firstInstruction;
91}
92
93void Code::init(const CompilationUnit &compilation, NodePool *pool)
94{
95 optimized = false;
96 const QVector<QScriptInstruction> ilist = compilation.instructions();
97 firstInstruction = new QScriptInstruction[ilist.count()];
98 lastInstruction = firstInstruction + ilist.count();
99 qCopy(ilist.begin(), ilist.end(), firstInstruction);