1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** Contact: Qt Software Information ([email protected])
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5 | **
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6 | ** This file is part of the QtScript module of the Qt Toolkit.
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7 | **
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8 | ** $QT_BEGIN_LICENSE:LGPL$
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9 | ** Commercial Usage
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10 | ** Licensees holding valid Qt Commercial licenses may use this file in
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11 | ** accordance with the Qt Commercial License Agreement provided with the
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12 | ** Software or, alternatively, in accordance with the terms contained in
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13 | ** a written agreement between you and Nokia.
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14 | **
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15 | ** GNU Lesser General Public License Usage
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16 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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17 | ** General Public License version 2.1 as published by the Free Software
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18 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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19 | ** packaging of this file. Please review the following information to
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20 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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21 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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22 | **
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23 | ** In addition, as a special exception, Nokia gives you certain
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24 | ** additional rights. These rights are described in the Nokia Qt LGPL
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25 | ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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26 | ** package.
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27 | **
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28 | ** GNU General Public License Usage
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29 | ** Alternatively, this file may be used under the terms of the GNU
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30 | ** General Public License version 3.0 as published by the Free Software
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31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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32 | ** packaging of this file. Please review the following information to
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33 | ** ensure the GNU General Public License version 3.0 requirements will be
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34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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35 | **
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36 | ** If you are unsure which license is appropriate for your use, please
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37 | ** contact the sales department at [email protected].
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38 | ** $QT_END_LICENSE$
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39 | **
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40 | ****************************************************************************/
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41 |
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42 | #ifndef QSCRIPTENGINE_P_H
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43 | #define QSCRIPTENGINE_P_H
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44 |
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45 | #include "qscriptenginefwd_p.h"
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46 |
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47 | #ifndef QT_NO_SCRIPT
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48 |
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49 | #include <QtCore/QDateTime>
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50 | #include <QtCore/QMutex>
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51 | #include <QtCore/QLinkedList>
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52 | #include <QtCore/QString>
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53 | #include <QtCore/QVector>
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54 | #include <QtCore/QHash>
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55 | #include <QtCore/qnumeric.h>
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56 |
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57 | #include "qscriptengine.h"
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58 | #include "qscriptnameid_p.h"
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59 | #include "qscriptobjectfwd_p.h"
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60 | #include "qscriptrepository_p.h"
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61 | #include "qscriptgc_p.h"
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62 | #include "qscriptecmaarray_p.h"
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63 | #include "qscriptecmadate_p.h"
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64 | #include "qscriptecmaobject_p.h"
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65 | #include "qscriptecmaboolean_p.h"
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66 | #include "qscriptecmanumber_p.h"
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67 | #include "qscriptecmastring_p.h"
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68 | #include "qscriptecmafunction_p.h"
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69 | #include "qscriptextvariant_p.h"
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70 | #include "qscriptextqobject_p.h"
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71 | #include "qscriptvalue_p.h"
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72 | #include "qscriptcontextfwd_p.h"
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73 |
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74 | #include <math.h>
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75 |
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76 | QT_BEGIN_NAMESPACE
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77 |
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78 | //
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79 | // W A R N I N G
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80 | // -------------
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81 | //
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82 | // This file is not part of the Qt API. It exists purely as an
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83 | // implementation detail. This header file may change from version to
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84 | // version without notice, or even be removed.
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85 | //
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86 | // We mean it.
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87 | //
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88 |
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89 | namespace QScript {
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90 |
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91 | class ArgumentsObjectData: public QScriptObjectData
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92 | {
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93 | public:
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94 | ArgumentsObjectData() : length(0) {}
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95 | virtual ~ArgumentsObjectData() {}
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96 |
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97 | public: // attributes
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98 | QScriptValueImpl activation;
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99 | uint length;
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100 | };
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101 |
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102 | } // namespace QScript
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103 |
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104 | inline QScriptEnginePrivate *QScriptEnginePrivate::get(QScriptEngine *q)
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105 | {
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106 | if (q)
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107 | return q->d_func();
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108 | return 0;
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109 | }
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110 |
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111 | inline const QScriptEnginePrivate *QScriptEnginePrivate::get(const QScriptEngine *q)
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112 | {
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113 | if (q)
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114 | return q->d_func();
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115 | return 0;
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116 | }
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117 |
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118 | inline QScriptEngine *QScriptEnginePrivate::get(QScriptEnginePrivate *d)
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119 | {
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120 | return d->q_func();
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121 | }
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122 |
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123 | inline QString QScriptEnginePrivate::toString(QScriptNameIdImpl *id)
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124 | {
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125 | if (! id)
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126 | return QString();
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127 |
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128 | return id->s;
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129 | }
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130 |
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131 | inline QString QScriptEnginePrivate::memberName(const QScript::Member &member) const
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132 | {
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133 | return toString(member.nameId());
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134 | }
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135 |
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136 | inline void QScriptEnginePrivate::newReference(QScriptValueImpl *o, int mode)
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137 | {
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138 | Q_ASSERT(o);
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139 | o->m_type = QScript::ReferenceType;
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140 | o->m_int_value = (mode);
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141 | }
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142 |
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143 | inline void QScriptEnginePrivate::newActivation(QScriptValueImpl *o)
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144 | {
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145 | Q_ASSERT(o);
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146 | newObject(o, nullValue(), m_class_activation);
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147 | }
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148 |
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149 | inline void QScriptEnginePrivate::newPointer(QScriptValueImpl *o, void *ptr)
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150 | {
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151 | Q_ASSERT(o);
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152 | o->m_type = QScript::PointerType;
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153 | o->m_ptr_value = ptr;
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154 | }
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155 |
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156 | inline void QScriptEnginePrivate::newInteger(QScriptValueImpl *o, int i)
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157 | {
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158 | Q_ASSERT(o);
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159 | o->m_type = QScript::IntegerType;
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160 | o->m_int_value = (i);
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161 | }
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162 |
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163 | inline void QScriptEnginePrivate::newNameId(QScriptValueImpl *o, const QString &s)
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164 | {
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165 | Q_ASSERT(o);
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166 | o->m_type = QScript::StringType;
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167 | o->m_string_value = (nameId(s, /*persistent=*/false));
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168 | }
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169 |
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170 | inline void QScriptEnginePrivate::newString(QScriptValueImpl *o, const QString &s)
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171 | {
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172 | Q_ASSERT(o);
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173 | o->m_type = QScript::StringType;
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174 | QScriptNameIdImpl *entry = new QScriptNameIdImpl(s);
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175 | m_tempStringRepository.append(entry);
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176 | o->m_string_value = (entry);
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177 | m_newAllocatedTempStringRepositoryChars += s.length();
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178 | }
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179 |
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180 | inline void QScriptEnginePrivate::newNameId(QScriptValueImpl *o, QScriptNameIdImpl *id)
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181 | {
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182 | Q_ASSERT(o);
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183 | o->m_type = QScript::StringType;
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184 | o->m_string_value = (id);
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185 | }
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186 |
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187 | inline const QScript::IdTable *QScriptEnginePrivate::idTable() const
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188 | {
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189 | return &m_id_table;
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190 | }
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191 |
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192 | inline qsreal QScriptEnginePrivate::convertToNativeDouble(const QScriptValueImpl &value)
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193 | {
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194 | Q_ASSERT (value.isValid());
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195 |
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196 | if (value.isNumber())
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197 | return value.m_number_value;
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198 |
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199 | return convertToNativeDouble_helper(value);
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200 | }
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201 |
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202 | inline qint32 QScriptEnginePrivate::convertToNativeInt32(const QScriptValueImpl &value)
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203 | {
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204 | Q_ASSERT (value.isValid());
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205 |
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206 | return toInt32 (convertToNativeDouble(value));
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207 | }
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208 |
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209 |
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210 | inline bool QScriptEnginePrivate::convertToNativeBoolean(const QScriptValueImpl &value)
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211 | {
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212 | Q_ASSERT (value.isValid());
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213 |
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214 | if (value.isBoolean())
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215 | return value.m_bool_value;
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216 |
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217 | return convertToNativeBoolean_helper(value);
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218 | }
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219 |
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220 | inline QString QScriptEnginePrivate::convertToNativeString(const QScriptValueImpl &value)
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221 | {
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222 | Q_ASSERT (value.isValid());
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223 |
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224 | if (value.isString())
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225 | return value.m_string_value->s;
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226 |
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227 | return convertToNativeString_helper(value);
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228 | }
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229 |
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230 | inline qsreal QScriptEnginePrivate::toInteger(qsreal n)
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231 | {
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232 | if (qIsNaN(n))
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233 | return 0;
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234 |
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235 | if (n == 0 || qIsInf(n))
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236 | return n;
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237 |
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238 | int sign = n < 0 ? -1 : 1;
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239 | return sign * ::floor(::fabs(n));
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240 | }
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241 |
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242 | inline qint32 QScriptEnginePrivate::toInt32(qsreal n)
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243 | {
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244 | if (qIsNaN(n) || qIsInf(n) || (n == 0))
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245 | return 0;
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246 |
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247 | double sign = (n < 0) ? -1.0 : 1.0;
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248 | qsreal abs_n = fabs(n);
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249 |
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250 | n = ::fmod(sign * ::floor(abs_n), D32);
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251 | const double D31 = D32 / 2.0;
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252 |
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253 | if (sign == -1 && n < -D31)
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254 | n += D32;
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255 |
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256 | else if (sign != -1 && n >= D31)
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257 | n -= D32;
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258 |
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259 | return qint32 (n);
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260 | }
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261 |
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262 | inline quint32 QScriptEnginePrivate::toUint32(qsreal n)
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263 | {
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264 | if (qIsNaN(n) || qIsInf(n) || (n == 0))
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265 | return 0;
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266 |
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267 | double sign = (n < 0) ? -1.0 : 1.0;
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268 | qsreal abs_n = fabs(n);
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269 |
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270 | n = ::fmod(sign * ::floor(abs_n), D32);
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271 |
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272 | if (n < 0)
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273 | n += D32;
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274 |
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275 | return quint32 (n);
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276 | }
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277 |
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278 | inline quint16 QScriptEnginePrivate::toUint16(qsreal n)
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279 | {
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280 | if (qIsNaN(n) || qIsInf(n) || (n == 0))
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281 | return 0;
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282 |
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283 | double sign = (n < 0) ? -1.0 : 1.0;
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284 | qsreal abs_n = fabs(n);
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285 |
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286 | n = ::fmod(sign * ::floor(abs_n), D16);
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287 |
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288 | if (n < 0)
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289 | n += D16;
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290 |
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291 | return quint16 (n);
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292 | }
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293 |
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294 | inline QScript::AST::Node *QScriptEnginePrivate::abstractSyntaxTree() const
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295 | {
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296 | return m_abstractSyntaxTree;
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297 | }
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298 |
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299 | inline QScript::MemoryPool *QScriptEnginePrivate::nodePool()
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300 | {
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301 | return m_pool;
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302 | }
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303 |
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304 | inline void QScriptEnginePrivate::setNodePool(QScript::MemoryPool *pool)
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305 | {
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306 | m_pool = pool;
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307 | }
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308 |
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309 | inline QScript::Lexer *QScriptEnginePrivate::lexer()
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310 | {
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311 | return m_lexer;
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312 | }
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313 |
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314 | inline void QScriptEnginePrivate::setLexer(QScript::Lexer *lexer)
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315 | {
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316 | m_lexer = lexer;
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317 | }
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318 |
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319 | inline QScriptObject *QScriptEnginePrivate::allocObject()
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320 | {
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321 | return objectAllocator(m_objectGeneration);
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322 | }
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323 |
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324 | inline QScriptContextPrivate *QScriptEnginePrivate::currentContext() const
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325 | {
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326 | return m_context;
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327 | }
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328 |
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329 | inline QScriptContextPrivate *QScriptEnginePrivate::pushContext()
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330 | {
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331 | QScriptContext *context = m_frameRepository.get();
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332 | QScriptContextPrivate *ctx_p = QScriptContextPrivate::get(context);
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333 | ctx_p->init(m_context);
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334 | m_context = ctx_p;
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335 | #ifndef Q_SCRIPT_NO_EVENT_NOTIFY
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336 | notifyContextPush();
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337 | #endif
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338 | return m_context;
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339 | }
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340 |
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341 | inline void QScriptEnginePrivate::popContext()
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342 | {
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343 | Q_ASSERT(m_context != 0);
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344 | #ifndef Q_SCRIPT_NO_EVENT_NOTIFY
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345 | notifyContextPop();
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346 | #endif
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347 | QScriptContextPrivate *context = m_context;
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348 | m_context = context->parentContext();
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349 | if (m_context) {
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350 | QScriptContextPrivate *p1 = m_context;
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351 | QScriptContextPrivate *p2 = context;
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352 | if ((p1->m_state != QScriptContext::ExceptionState)
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353 | || (p2->m_state == QScriptContext::ExceptionState)) {
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354 | // propagate the state
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355 | p1->m_result = p2->m_result;
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356 | p1->m_state = p2->m_state;
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357 | // only update errorLineNumber if there actually was an exception
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358 | if (p2->m_state == QScriptContext::ExceptionState) {
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359 | if (p2->errorLineNumber != -1)
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360 | p1->errorLineNumber = p2->errorLineNumber;
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361 | else
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362 | p1->errorLineNumber = p1->currentLine;
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363 | }
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364 | }
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365 | }
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366 | m_frameRepository.release(QScriptContextPrivate::get(context));
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367 | }
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368 |
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369 | inline void QScriptEnginePrivate::maybeGC()
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370 | {
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371 | if (objectAllocator.blocked())
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372 | return;
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373 |
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374 | bool do_string_gc = ((m_stringRepository.size() - m_oldStringRepositorySize) > 256)
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375 | || (m_newAllocatedStringRepositoryChars > 0x800000);
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376 | do_string_gc |= ((m_tempStringRepository.size() - m_oldTempStringRepositorySize) > 1024)
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377 | || (m_newAllocatedTempStringRepositoryChars > 0x800000);
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378 |
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379 | if (! do_string_gc && ! objectAllocator.poll())
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380 | return;
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381 |
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382 | maybeGC_helper(do_string_gc);
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383 | }
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384 |
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385 | inline void QScriptEnginePrivate::adjustBytesAllocated(int bytes)
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386 | {
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387 | objectAllocator.adjustBytesAllocated(bytes);
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388 | }
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389 |
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390 | inline bool QScriptEnginePrivate::blockGC(bool block)
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391 | {
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392 | return objectAllocator.blockGC(block);
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393 | }
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394 |
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395 | inline void QScriptEnginePrivate::markString(QScriptNameIdImpl *id, int /*generation*/)
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396 | {
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397 | id->used = true;
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398 | }
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399 |
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400 | inline QScriptValueImpl QScriptEnginePrivate::createFunction(QScriptFunction *fun)
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401 | {
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402 | QScriptValueImpl v;
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403 | newFunction(&v, fun);
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404 | return v;
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405 | }
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406 |
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407 | inline QScriptValueImpl QScriptEnginePrivate::newArray(const QScript::Array &value)
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408 | {
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409 | QScriptValueImpl v;
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410 | newArray(&v, value);
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411 | return v;
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412 | }
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413 |
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414 | inline QScriptValueImpl QScriptEnginePrivate::newArray(uint length)
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415 | {
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416 | QScriptValueImpl v;
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417 | QScript::Array a(this);
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418 | a.resize(length);
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419 | newArray(&v, a);
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420 | return v;
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421 | }
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422 |
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423 | inline QScriptClassInfo *QScriptEnginePrivate::registerClass(const QString &pname, int type)
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424 | {
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425 | if (type == -1)
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426 | type = ++m_class_prev_id;
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427 |
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428 | QScriptClassInfo *oc = new QScriptClassInfo(this, QScriptClassInfo::Type(type), pname);
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429 | m_allocated_classes.append(oc);
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430 |
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431 | return oc;
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432 | }
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433 |
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434 | inline QScriptClassInfo *QScriptEnginePrivate::registerClass(const QString &name)
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435 | {
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436 | return registerClass(name, -1);
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437 | }
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438 |
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439 | inline QScriptValueImpl QScriptEnginePrivate::createFunction(QScriptInternalFunctionSignature fun,
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440 | int length, QScriptClassInfo *classInfo, const QString &name)
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441 | {
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442 | return createFunction(new QScript::C2Function(fun, length, classInfo, name));
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443 | }
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444 |
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445 | inline void QScriptEnginePrivate::newFunction(QScriptValueImpl *o, QScriptFunction *function)
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446 | {
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447 | QScriptValueImpl proto;
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448 | if (functionConstructor)
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449 | proto = functionConstructor->publicPrototype;
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450 | else {
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451 | // creating the Function prototype object
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452 | Q_ASSERT(objectConstructor);
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453 | proto = objectConstructor->publicPrototype;
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454 | }
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455 | newObject(o, proto, m_class_function);
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456 | o->setObjectData(function);
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457 | }
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458 |
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459 | inline void QScriptEnginePrivate::newConstructor(QScriptValueImpl *ctor,
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460 | QScriptFunction *function,
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461 | QScriptValueImpl &proto)
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462 | {
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463 | newFunction(ctor, function);
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464 | ctor->setProperty(m_id_table.id_prototype, proto,
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465 | QScriptValue::Undeletable
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466 | | QScriptValue::ReadOnly
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467 | | QScriptValue::SkipInEnumeration);
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468 | proto.setProperty(m_id_table.id_constructor, *ctor,
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469 | QScriptValue::Undeletable
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470 | | QScriptValue::SkipInEnumeration);
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471 | }
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472 |
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473 | inline void QScriptEnginePrivate::newArguments(QScriptValueImpl *object,
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474 | const QScriptValueImpl &activation,
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475 | uint length,
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476 | const QScriptValueImpl &callee)
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477 | {
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478 | QScript::ArgumentsObjectData *data = new QScript::ArgumentsObjectData();
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479 | data->activation = activation;
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480 | data->length = length;
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---|
481 | newObject(object, m_class_arguments);
|
---|
482 | object->setObjectData(data);
|
---|
483 | object->setProperty(m_id_table.id_callee, callee,
|
---|
484 | QScriptValue::SkipInEnumeration);
|
---|
485 | object->setProperty(m_id_table.id_length, QScriptValueImpl(length),
|
---|
486 | QScriptValue::SkipInEnumeration);
|
---|
487 | }
|
---|
488 |
|
---|
489 | inline QScriptFunction *QScriptEnginePrivate::convertToNativeFunction(const QScriptValueImpl &object)
|
---|
490 | {
|
---|
491 | if (object.isFunction())
|
---|
492 | return static_cast<QScriptFunction*> (object.objectData());
|
---|
493 | return 0;
|
---|
494 | }
|
---|
495 |
|
---|
496 | inline QScriptValue QScriptEnginePrivate::toPublic(const QScriptValueImpl &value)
|
---|
497 | {
|
---|
498 | if (!value.isValid())
|
---|
499 | return QScriptValue();
|
---|
500 |
|
---|
501 | QScriptValuePrivate *p = registerValue(value);
|
---|
502 | QScriptValue v;
|
---|
503 | QScriptValuePrivate::init(v, p);
|
---|
504 | return v;
|
---|
505 | }
|
---|
506 |
|
---|
507 | inline QScriptValueImpl QScriptEnginePrivate::toImpl(const QScriptValue &value)
|
---|
508 | {
|
---|
509 | QScriptValuePrivate *p = QScriptValuePrivate::get(value);
|
---|
510 | if (!p)
|
---|
511 | return QScriptValueImpl();
|
---|
512 | if (p->value.type() == QScript::LazyStringType)
|
---|
513 | return toImpl_helper(value);
|
---|
514 | return p->value;
|
---|
515 | }
|
---|
516 |
|
---|
517 | inline QScriptValueImplList QScriptEnginePrivate::toImplList(const QScriptValueList &lst)
|
---|
518 | {
|
---|
519 | QScriptValueImplList result;
|
---|
520 | QScriptValueList::const_iterator it;
|
---|
521 | for (it = lst.constBegin(); it != lst.constEnd(); ++it)
|
---|
522 | result.append(toImpl(*it));
|
---|
523 | return result;
|
---|
524 | }
|
---|
525 |
|
---|
526 | inline QScriptValueImpl QScriptEnginePrivate::toObject(const QScriptValueImpl &value)
|
---|
527 | {
|
---|
528 | if (value.isObject() || !value.isValid())
|
---|
529 | return value;
|
---|
530 | return toObject_helper(value);
|
---|
531 | }
|
---|
532 |
|
---|
533 | inline QScriptValueImpl QScriptEnginePrivate::toPrimitive(const QScriptValueImpl &object,
|
---|
534 | QScriptValueImpl::TypeHint hint)
|
---|
535 | {
|
---|
536 | Q_ASSERT(object.isValid());
|
---|
537 |
|
---|
538 | if (! object.isObject())
|
---|
539 | return object;
|
---|
540 |
|
---|
541 | return toPrimitive_helper(object, hint);
|
---|
542 | }
|
---|
543 |
|
---|
544 | inline QDateTime QScriptEnginePrivate::toDateTime(const QScriptValueImpl &value) const
|
---|
545 | {
|
---|
546 | return dateConstructor->toDateTime(value);
|
---|
547 | }
|
---|
548 |
|
---|
549 | inline void QScriptEnginePrivate::newArray(QScriptValueImpl *object, const QScript::Array &value)
|
---|
550 | {
|
---|
551 | arrayConstructor->newArray(object, value);
|
---|
552 | }
|
---|
553 |
|
---|
554 | inline void QScriptEnginePrivate::newObject(QScriptValueImpl *o, const QScriptValueImpl &proto,
|
---|
555 | QScriptClassInfo *oc)
|
---|
556 | {
|
---|
557 | Q_ASSERT(o != 0);
|
---|
558 |
|
---|
559 | QScriptObject *od = allocObject();
|
---|
560 | od->reset();
|
---|
561 | od->m_id = ++m_next_object_id;
|
---|
562 | if (proto.isValid())
|
---|
563 | od->m_prototype = proto;
|
---|
564 | else {
|
---|
565 | Q_ASSERT(objectConstructor);
|
---|
566 | od->m_prototype = objectConstructor->publicPrototype;
|
---|
567 | }
|
---|
568 |
|
---|
569 | o->m_type = QScript::ObjectType;
|
---|
570 | od->m_class = (oc ? oc : m_class_object);
|
---|
571 | o->m_object_value = od;
|
---|
572 | }
|
---|
573 |
|
---|
574 | inline void QScriptEnginePrivate::newObject(QScriptValueImpl *o, QScriptClassInfo *oc)
|
---|
575 | {
|
---|
576 | newObject(o, objectConstructor->publicPrototype, oc);
|
---|
577 | }
|
---|
578 |
|
---|
579 | inline QScriptValueImpl QScriptEnginePrivate::newObject()
|
---|
580 | {
|
---|
581 | QScriptValueImpl v;
|
---|
582 | newObject(&v);
|
---|
583 | return v;
|
---|
584 | }
|
---|
585 |
|
---|
586 | inline void QScriptEnginePrivate::newVariant(QScriptValueImpl *out,
|
---|
587 | const QVariant &value,
|
---|
588 | bool setDefaultPrototype)
|
---|
589 | {
|
---|
590 | Q_ASSERT(variantConstructor != 0);
|
---|
591 | variantConstructor->newVariant(out, value);
|
---|
592 | if (setDefaultPrototype) {
|
---|
593 | QScriptValueImpl proto = defaultPrototype(value.userType());
|
---|
594 | if (proto.isValid())
|
---|
595 | out->setPrototype(proto);
|
---|
596 | }
|
---|
597 | }
|
---|
598 |
|
---|
599 | #ifndef QT_NO_QOBJECT
|
---|
600 | # ifndef Q_SCRIPT_NO_QMETAOBJECT_CACHE
|
---|
601 | inline QScriptMetaObject *QScriptEnginePrivate::cachedMetaObject(const QMetaObject *meta)
|
---|
602 | {
|
---|
603 | QScriptMetaObject *value = m_cachedMetaObjects.value(meta);
|
---|
604 | if (!value) {
|
---|
605 | value = new QScriptMetaObject;
|
---|
606 | m_cachedMetaObjects.insert(meta, value);
|
---|
607 | }
|
---|
608 | return value;
|
---|
609 | }
|
---|
610 | # endif
|
---|
611 | #endif // !QT_NO_QOBJECT
|
---|
612 |
|
---|
613 | inline QScriptNameIdImpl *QScriptEnginePrivate::nameId(const QString &str, bool persistent)
|
---|
614 | {
|
---|
615 | QScriptNameIdImpl *entry = toStringEntry(str);
|
---|
616 | if (! entry)
|
---|
617 | entry = insertStringEntry(str);
|
---|
618 |
|
---|
619 | Q_ASSERT(entry->unique);
|
---|
620 |
|
---|
621 | if (persistent)
|
---|
622 | entry->persistent = true;
|
---|
623 |
|
---|
624 | return entry;
|
---|
625 | }
|
---|
626 |
|
---|
627 | inline QScriptNameIdImpl *QScriptEnginePrivate::intern(const QChar *u, int s)
|
---|
628 | {
|
---|
629 | QString tmp(u, s);
|
---|
630 | return nameId(tmp, /*persistent=*/ true);
|
---|
631 | }
|
---|
632 |
|
---|
633 | inline QScriptValueImpl QScriptEnginePrivate::valueFromVariant(const QVariant &v)
|
---|
634 | {
|
---|
635 | QScriptValueImpl result = create(v.userType(), v.data());
|
---|
636 | Q_ASSERT(result.isValid());
|
---|
637 | return result;
|
---|
638 | }
|
---|
639 |
|
---|
640 | inline QScriptValueImpl QScriptEnginePrivate::undefinedValue()
|
---|
641 | {
|
---|
642 | return m_undefinedValue;
|
---|
643 | }
|
---|
644 |
|
---|
645 | inline QScriptValueImpl QScriptEnginePrivate::nullValue()
|
---|
646 | {
|
---|
647 | return m_nullValue;
|
---|
648 | }
|
---|
649 |
|
---|
650 | inline QScriptValueImpl QScriptEnginePrivate::defaultPrototype(int metaTypeId) const
|
---|
651 | {
|
---|
652 | QScriptCustomTypeInfo info = m_customTypes.value(metaTypeId);
|
---|
653 | return info.prototype;
|
---|
654 | }
|
---|
655 |
|
---|
656 | inline void QScriptEnginePrivate::setDefaultPrototype(int metaTypeId, const QScriptValueImpl &prototype)
|
---|
657 | {
|
---|
658 | QScriptCustomTypeInfo info = m_customTypes.value(metaTypeId);
|
---|
659 | info.prototype = prototype;
|
---|
660 | m_customTypes.insert(metaTypeId, info);
|
---|
661 | }
|
---|
662 |
|
---|
663 | inline uint _q_scriptHash(const QString &key)
|
---|
664 | {
|
---|
665 | const QChar *p = key.unicode();
|
---|
666 | int n = qMin(key.size(), 128);
|
---|
667 | uint h = key.size();
|
---|
668 | uint g;
|
---|
669 |
|
---|
670 | while (n--) {
|
---|
671 | h = (h << 4) + (*p++).unicode();
|
---|
672 | if ((g = (h & 0xf0000000)) != 0)
|
---|
673 | h ^= g >> 23;
|
---|
674 | h &= ~g;
|
---|
675 | }
|
---|
676 | return h;
|
---|
677 | }
|
---|
678 |
|
---|
679 | inline QScriptNameIdImpl *QScriptEnginePrivate::toStringEntry(const QString &s)
|
---|
680 | {
|
---|
681 | uint h = _q_scriptHash(s) % m_string_hash_size;
|
---|
682 |
|
---|
683 | for (QScriptNameIdImpl *entry = m_string_hash_base[h]; entry && entry->h == h; entry = entry->next) {
|
---|
684 | if (entry->s == s)
|
---|
685 | return entry;
|
---|
686 | }
|
---|
687 |
|
---|
688 | return 0;
|
---|
689 | }
|
---|
690 |
|
---|
691 | inline bool QScriptEnginePrivate::lessThan(const QScriptValueImpl &lhs, const QScriptValueImpl &rhs)
|
---|
692 | {
|
---|
693 | return QScriptContextPrivate::lt_cmp(lhs, rhs);
|
---|
694 | }
|
---|
695 |
|
---|
696 | inline bool QScriptEnginePrivate::equals(const QScriptValueImpl &lhs, const QScriptValueImpl &rhs)
|
---|
697 | {
|
---|
698 | return QScriptContextPrivate::eq_cmp(lhs, rhs);
|
---|
699 | }
|
---|
700 |
|
---|
701 | inline bool QScriptEnginePrivate::strictlyEquals(const QScriptValueImpl &lhs, const QScriptValueImpl &rhs)
|
---|
702 | {
|
---|
703 | return QScriptContextPrivate::strict_eq_cmp(lhs, rhs);
|
---|
704 | }
|
---|
705 |
|
---|
706 | inline void QScriptEnginePrivate::unregisterValue(QScriptValuePrivate *p)
|
---|
707 | {
|
---|
708 | QScriptValueImpl &v = p->value;
|
---|
709 | Q_ASSERT(v.isValid());
|
---|
710 | if (v.isString()) {
|
---|
711 | QScriptNameIdImpl *id = v.stringValue();
|
---|
712 | m_stringHandles.remove(id);
|
---|
713 | } else if (v.isObject()) {
|
---|
714 | QScriptObject *instance = v.objectValue();
|
---|
715 | m_objectHandles.remove(instance);
|
---|
716 | } else {
|
---|
717 | int i = m_otherHandles.indexOf(p);
|
---|
718 | Q_ASSERT(i != -1);
|
---|
719 | m_otherHandles.remove(i);
|
---|
720 | }
|
---|
721 | m_handleRepository.release(p);
|
---|
722 | }
|
---|
723 |
|
---|
724 | inline QScriptValueImpl QScriptEnginePrivate::globalObject() const
|
---|
725 | {
|
---|
726 | return m_globalObject;
|
---|
727 | }
|
---|
728 |
|
---|
729 | inline bool QScriptEnginePrivate::hasUncaughtException() const
|
---|
730 | {
|
---|
731 | return (currentContext()->state() == QScriptContext::ExceptionState);
|
---|
732 | }
|
---|
733 |
|
---|
734 | inline QScriptValueImpl QScriptEnginePrivate::uncaughtException() const
|
---|
735 | {
|
---|
736 | if (!hasUncaughtException())
|
---|
737 | return QScriptValueImpl();
|
---|
738 | return currentContext()->returnValue();
|
---|
739 | }
|
---|
740 |
|
---|
741 | inline void QScriptEnginePrivate::maybeProcessEvents()
|
---|
742 | {
|
---|
743 | if (m_processEventsInterval > 0 && ++m_processEventIncr > 512) {
|
---|
744 | m_processEventIncr = 0;
|
---|
745 | processEvents();
|
---|
746 | }
|
---|
747 | }
|
---|
748 |
|
---|
749 | inline bool QScriptEnginePrivate::shouldAbort() const
|
---|
750 | {
|
---|
751 | return m_abort;
|
---|
752 | }
|
---|
753 |
|
---|
754 | inline void QScriptEnginePrivate::resetAbortFlag()
|
---|
755 | {
|
---|
756 | m_abort = false;
|
---|
757 | }
|
---|
758 |
|
---|
759 | #ifndef Q_SCRIPT_NO_EVENT_NOTIFY
|
---|
760 |
|
---|
761 | inline bool QScriptEnginePrivate::shouldNotify() const
|
---|
762 | {
|
---|
763 | return m_agent != 0;
|
---|
764 | }
|
---|
765 |
|
---|
766 | inline void QScriptEnginePrivate::notifyScriptLoad(
|
---|
767 | qint64 id, const QString &program,
|
---|
768 | const QString &fileName, int lineNumber)
|
---|
769 | {
|
---|
770 | if (shouldNotify())
|
---|
771 | notifyScriptLoad_helper(id, program, fileName, lineNumber);
|
---|
772 | }
|
---|
773 |
|
---|
774 | inline void QScriptEnginePrivate::notifyScriptUnload(qint64 id)
|
---|
775 | {
|
---|
776 | if (shouldNotify())
|
---|
777 | notifyScriptUnload_helper(id);
|
---|
778 | }
|
---|
779 |
|
---|
780 | inline void QScriptEnginePrivate::notifyPositionChange(QScriptContextPrivate *ctx)
|
---|
781 | {
|
---|
782 | Q_ASSERT(m_agent != 0);
|
---|
783 | notifyPositionChange_helper(ctx);
|
---|
784 | }
|
---|
785 |
|
---|
786 | inline void QScriptEnginePrivate::notifyContextPush()
|
---|
787 | {
|
---|
788 | if (shouldNotify())
|
---|
789 | notifyContextPush_helper();
|
---|
790 | }
|
---|
791 |
|
---|
792 | inline void QScriptEnginePrivate::notifyContextPop()
|
---|
793 | {
|
---|
794 | if (shouldNotify())
|
---|
795 | notifyContextPop_helper();
|
---|
796 | }
|
---|
797 |
|
---|
798 | inline void QScriptEnginePrivate::notifyFunctionEntry(QScriptContextPrivate *ctx)
|
---|
799 | {
|
---|
800 | if (shouldNotify())
|
---|
801 | notifyFunctionEntry_helper(ctx);
|
---|
802 | }
|
---|
803 |
|
---|
804 | inline void QScriptEnginePrivate::notifyFunctionExit(QScriptContextPrivate *ctx)
|
---|
805 | {
|
---|
806 | if (shouldNotify())
|
---|
807 | notifyFunctionExit_helper(ctx);
|
---|
808 | }
|
---|
809 |
|
---|
810 | inline void QScriptEnginePrivate::notifyException(QScriptContextPrivate *ctx)
|
---|
811 | {
|
---|
812 | if (shouldNotify())
|
---|
813 | notifyException_helper(ctx);
|
---|
814 | }
|
---|
815 |
|
---|
816 | inline void QScriptEnginePrivate::notifyExceptionCatch(QScriptContextPrivate *ctx)
|
---|
817 | {
|
---|
818 | if (shouldNotify())
|
---|
819 | notifyExceptionCatch_helper(ctx);
|
---|
820 | }
|
---|
821 |
|
---|
822 | #endif // Q_SCRIPT_NO_EVENT_NOTIFY
|
---|
823 |
|
---|
824 | QT_END_NAMESPACE
|
---|
825 |
|
---|
826 | #endif // QT_NO_SCRIPT
|
---|
827 |
|
---|
828 | #endif
|
---|