1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** All rights reserved.
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5 | ** Contact: Nokia Corporation (qt-info@nokia.com)
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6 | **
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7 | ** This file is part of the QtScript module of the Qt Toolkit.
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8 | **
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9 | ** $QT_BEGIN_LICENSE:LGPL-ONLY$
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10 | ** GNU Lesser General Public License Usage
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11 | ** This file may be used under the terms of the GNU Lesser
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12 | ** General Public License version 2.1 as published by the Free Software
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13 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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14 | ** packaging of this file. Please review the following information to
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15 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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16 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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17 | **
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18 | ** If you have questions regarding the use of this file, please contact
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19 | ** Nokia at qt-info@nokia.com.
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20 | ** $QT_END_LICENSE$
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21 | **
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22 | ****************************************************************************/
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23 |
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24 | #include "config.h"
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25 | #include "qscriptqobject_p.h"
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26 |
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27 | #include <QtCore/qmetaobject.h>
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28 | #include <QtCore/qvarlengtharray.h>
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29 | #include <QtCore/qdebug.h>
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30 | #include <QtScript/qscriptable.h>
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31 | #include "../api/qscriptengine_p.h"
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32 | #include "../api/qscriptable_p.h"
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33 | #include "../api/qscriptcontext_p.h"
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34 | #include "qscriptfunction_p.h"
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35 |
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36 | #include "Error.h"
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37 | #include "PrototypeFunction.h"
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38 | #include "NativeFunctionWrapper.h"
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39 | #include "PropertyNameArray.h"
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40 | #include "JSFunction.h"
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41 | #include "JSString.h"
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42 | #include "JSValue.h"
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43 | #include "JSArray.h"
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44 | #include "RegExpObject.h"
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45 | #include "RegExpConstructor.h"
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46 |
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47 | namespace JSC
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48 | {
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49 | QT_USE_NAMESPACE
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50 | ASSERT_CLASS_FITS_IN_CELL(QScript::QObjectPrototype);
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51 | ASSERT_CLASS_FITS_IN_CELL(QScript::QMetaObjectWrapperObject);
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52 | ASSERT_CLASS_FITS_IN_CELL(QScript::QMetaObjectPrototype);
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53 | ASSERT_CLASS_FITS_IN_CELL(QScript::QtFunction);
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54 | ASSERT_CLASS_FITS_IN_CELL(QScript::QtPropertyFunction);
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55 | }
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56 |
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57 | QT_BEGIN_NAMESPACE
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58 |
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59 | namespace QScript
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60 | {
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61 |
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62 | struct QObjectConnection
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63 | {
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64 | int slotIndex;
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65 | JSC::JSValue receiver;
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66 | JSC::JSValue slot;
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67 | JSC::JSValue senderWrapper;
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68 |
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69 | QObjectConnection(int i, JSC::JSValue r, JSC::JSValue s,
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70 | JSC::JSValue sw)
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71 | : slotIndex(i), receiver(r), slot(s), senderWrapper(sw) {}
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72 | QObjectConnection() : slotIndex(-1) {}
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73 |
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74 | bool hasTarget(JSC::JSValue r, JSC::JSValue s) const
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75 | {
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76 | if ((r && r.isObject()) != (receiver && receiver.isObject()))
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77 | return false;
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78 | if (((r && r.isObject()) && (receiver && receiver.isObject()))
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79 | && (r != receiver)) {
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80 | return false;
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81 | }
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82 | return (s == slot);
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83 | }
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84 |
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85 | void mark(JSC::MarkStack& markStack)
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86 | {
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87 | if (senderWrapper) {
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88 | // see if the sender should be marked or not;
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89 | // if the C++ object is owned by script, we don't want
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90 | // it to stay alive due to a script connection.
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91 | Q_ASSERT(senderWrapper.inherits(&QScriptObject::info));
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92 | QScriptObject *scriptObject = static_cast<QScriptObject*>(JSC::asObject(senderWrapper));
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93 | if (!JSC::Heap::isCellMarked(scriptObject)) {
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94 | QScriptObjectDelegate *delegate = scriptObject->delegate();
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95 | Q_ASSERT(delegate && (delegate->type() == QScriptObjectDelegate::QtObject));
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96 | QObjectDelegate *inst = static_cast<QObjectDelegate*>(delegate);
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97 | if ((inst->ownership() == QScriptEngine::ScriptOwnership)
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98 | || ((inst->ownership() == QScriptEngine::AutoOwnership)
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99 | && inst->value() && !inst->value()->parent())) {
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100 | senderWrapper = JSC::JSValue();
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101 | } else {
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102 | markStack.append(senderWrapper);
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103 | }
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104 | }
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105 | }
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106 | if (receiver)
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107 | markStack.append(receiver);
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108 | if (slot)
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109 | markStack.append(slot);
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110 | }
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111 | };
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112 |
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113 | class QObjectNotifyCaller : public QObject
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114 | {
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115 | public:
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116 | void callConnectNotify(const char *signal)
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117 | { connectNotify(signal); }
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118 | void callDisconnectNotify(const char *signal)
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119 | { disconnectNotify(signal); }
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120 | };
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121 |
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122 | class QObjectConnectionManager: public QObject
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123 | {
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124 | public:
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125 | QObjectConnectionManager(QScriptEnginePrivate *engine);
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126 | ~QObjectConnectionManager();
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127 |
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128 | bool addSignalHandler(QObject *sender, int signalIndex,
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129 | JSC::JSValue receiver,
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130 | JSC::JSValue slot,
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131 | JSC::JSValue senderWrapper,
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132 | Qt::ConnectionType type);
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133 | bool removeSignalHandler(QObject *sender, int signalIndex,
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134 | JSC::JSValue receiver,
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135 | JSC::JSValue slot);
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136 |
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137 | static const QMetaObject staticMetaObject;
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138 | virtual const QMetaObject *metaObject() const;
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139 | virtual void *qt_metacast(const char *);
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140 | virtual int qt_metacall(QMetaObject::Call, int, void **argv);
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141 |
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142 | void execute(int slotIndex, void **argv);
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143 |
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144 | void mark(JSC::MarkStack&);
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145 |
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146 | private:
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147 | QScriptEnginePrivate *engine;
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148 | int slotCounter;
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149 | QVector<QVector<QObjectConnection> > connections;
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150 | };
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151 |
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152 | static bool hasMethodAccess(const QMetaMethod &method, int index, const QScriptEngine::QObjectWrapOptions &opt)
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153 | {
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154 | return (method.access() != QMetaMethod::Private)
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155 | && ((index != 2) || !(opt & QScriptEngine::ExcludeDeleteLater))
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156 | && (!(opt & QScriptEngine::ExcludeSlots) || (method.methodType() != QMetaMethod::Slot));
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157 | }
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158 |
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159 | static bool isEnumerableMetaProperty(const QMetaProperty &prop,
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160 | const QMetaObject *mo, int index)
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161 | {
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162 | return prop.isScriptable() && prop.isValid()
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163 | // the following lookup is to ensure that we have the
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164 | // "most derived" occurrence of the property with this name
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165 | && (mo->indexOfProperty(prop.name()) == index);
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166 | }
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167 |
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168 | /*! \internal
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169 | Calculates the length of the name of the given \a method by looking
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170 | for the first '(' character.
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171 | */
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172 | static inline int methodNameLength(const QMetaMethod &method)
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173 | {
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174 | const char *signature = method.signature();
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175 | const char *s = signature;
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176 | while (*s && (*s != '('))
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177 | ++s;
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178 | return s - signature;
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179 | }
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180 |
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181 | /*! \internal
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182 | Makes a deep copy of the first \a nameLength characters of the given
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183 | method \a signature and returns the copy.
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184 | */
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185 | static inline QByteArray methodName(const char *signature, int nameLength)
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186 | {
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187 | return QByteArray(signature, nameLength);
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188 | }
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189 |
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190 | /*! \internal
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191 |
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192 | Returns true if the name of the given \a method is the same as that
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193 | specified by the (signature, nameLength) pair, otherwise returns
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194 | false.
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195 | */
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196 | static inline bool methodNameEquals(const QMetaMethod &method,
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197 | const char *signature, int nameLength)
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198 | {
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199 | const char *otherSignature = method.signature();
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200 | return !qstrncmp(otherSignature, signature, nameLength)
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201 | && (otherSignature[nameLength] == '(');
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202 | }
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203 |
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204 | static QVariant variantFromValue(JSC::ExecState *exec, int targetType, JSC::JSValue value)
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205 | {
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206 | QVariant v(targetType, (void *)0);
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207 | if (QScriptEnginePrivate::convertValue(exec, value, targetType, v.data()))
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208 | return v;
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209 | if (uint(targetType) == QVariant::LastType)
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210 | return QScriptEnginePrivate::toVariant(exec, value);
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211 | if (QScriptEnginePrivate::isVariant(value)) {
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212 | v = QScriptEnginePrivate::variantValue(value);
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213 | if (v.canConvert(QVariant::Type(targetType))) {
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214 | v.convert(QVariant::Type(targetType));
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215 | return v;
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216 | }
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217 | QByteArray typeName = v.typeName();
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218 | if (typeName.endsWith('*')
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219 | && (QMetaType::type(typeName.left(typeName.size()-1)) == targetType)) {
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220 | return QVariant(targetType, *reinterpret_cast<void* *>(v.data()));
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221 | }
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222 | }
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223 |
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224 | return QVariant();
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225 | }
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226 |
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227 | static const bool GeneratePropertyFunctions = true;
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228 |
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229 | static unsigned flagsForMetaProperty(const QMetaProperty &prop)
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230 | {
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231 | return (JSC::DontDelete
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232 | | (!prop.isWritable() ? unsigned(JSC::ReadOnly) : unsigned(0))
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233 | | (GeneratePropertyFunctions
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234 | ? unsigned(JSC::Getter | JSC::Setter)
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235 | : unsigned(0))
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236 | | QObjectMemberAttribute);
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237 | }
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238 |
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239 | static int indexOfMetaEnum(const QMetaObject *meta, const QByteArray &str)
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240 | {
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241 | QByteArray scope;
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242 | QByteArray name;
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243 | int scopeIdx = str.lastIndexOf("::");
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244 | if (scopeIdx != -1) {
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245 | scope = str.left(scopeIdx);
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246 | name = str.mid(scopeIdx + 2);
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247 | } else {
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248 | name = str;
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249 | }
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250 | for (int i = meta->enumeratorCount() - 1; i >= 0; --i) {
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251 | QMetaEnum m = meta->enumerator(i);
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252 | if ((m.name() == name) && (scope.isEmpty() || (m.scope() == scope)))
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253 | return i;
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254 | }
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255 | return -1;
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256 | }
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257 |
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258 | static inline QScriptable *scriptableFromQObject(QObject *qobj)
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259 | {
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260 | void *ptr = qobj->qt_metacast("QScriptable");
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261 | return reinterpret_cast<QScriptable*>(ptr);
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262 | }
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263 |
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264 | QtFunction::QtFunction(JSC::JSValue object, int initialIndex, bool maybeOverloaded,
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265 | JSC::JSGlobalData *data, WTF::PassRefPtr<JSC::Structure> sid,
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266 | const JSC::Identifier &ident)
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267 | : JSC::InternalFunction(data, sid, ident),
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268 | data(new Data(object, initialIndex, maybeOverloaded))
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269 | {
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270 | }
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271 |
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272 | QtFunction::~QtFunction()
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273 | {
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274 | delete data;
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275 | }
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276 |
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277 | JSC::CallType QtFunction::getCallData(JSC::CallData &callData)
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278 | {
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279 | callData.native.function = call;
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280 | return JSC::CallTypeHost;
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281 | }
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282 |
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283 | void QtFunction::markChildren(JSC::MarkStack& markStack)
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284 | {
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285 | if (data->object)
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286 | markStack.append(data->object);
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287 | JSC::InternalFunction::markChildren(markStack);
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288 | }
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289 |
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290 | QScriptObject *QtFunction::wrapperObject() const
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291 | {
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292 | Q_ASSERT(JSC::asObject(data->object)->inherits(&QScriptObject::info));
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293 | return static_cast<QScriptObject*>(JSC::asObject(data->object));
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294 | }
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295 |
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296 | QObject *QtFunction::qobject() const
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297 | {
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298 | QScriptObject *scriptObject = wrapperObject();
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299 | QScriptObjectDelegate *delegate = scriptObject->delegate();
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300 | Q_ASSERT(delegate && (delegate->type() == QScriptObjectDelegate::QtObject));
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301 | return static_cast<QScript::QObjectDelegate*>(delegate)->value();
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302 | }
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303 |
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304 | const QMetaObject *QtFunction::metaObject() const
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305 | {
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306 | QObject *qobj = qobject();
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307 | if (!qobj)
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308 | return 0;
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309 | return qobj->metaObject();
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310 | }
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311 |
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312 | int QtFunction::initialIndex() const
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313 | {
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314 | return data->initialIndex;
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315 | }
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316 |
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317 | bool QtFunction::maybeOverloaded() const
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318 | {
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319 | return data->maybeOverloaded;
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320 | }
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321 |
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322 | int QtFunction::mostGeneralMethod(QMetaMethod *out) const
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323 | {
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324 | const QMetaObject *meta = metaObject();
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325 | if (!meta)
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326 | return -1;
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327 | int index = initialIndex();
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328 | QMetaMethod method = meta->method(index);
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329 | if (maybeOverloaded() && (method.attributes() & QMetaMethod::Cloned)) {
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330 | // find the most general method
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331 | do {
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332 | method = meta->method(--index);
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333 | } while (method.attributes() & QMetaMethod::Cloned);
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334 | }
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335 | if (out)
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336 | *out = method;
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337 | return index;
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338 | }
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339 |
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340 | QList<int> QScript::QtFunction::overloadedIndexes() const
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341 | {
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342 | if (!maybeOverloaded())
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343 | return QList<int>();
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344 | QList<int> result;
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345 | const QMetaObject *meta = metaObject();
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346 | QMetaMethod method = meta->method(initialIndex());
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347 | int nameLength = methodNameLength(method);
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348 | for (int index = mostGeneralMethod() - 1; index >= 0; --index) {
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349 | if (methodNameEquals(meta->method(index), method.signature(), nameLength))
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350 | result.append(index);
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351 | }
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352 | return result;
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353 | }
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354 |
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355 | class QScriptMetaType
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356 | {
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357 | public:
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358 | enum Kind {
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359 | Invalid,
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360 | Variant,
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361 | MetaType,
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362 | Unresolved,
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363 | MetaEnum
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364 | };
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365 |
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366 | inline QScriptMetaType()
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367 | : m_kind(Invalid) { }
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368 |
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369 | inline Kind kind() const
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370 | { return m_kind; }
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371 |
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372 | int typeId() const;
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373 |
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374 | inline bool isValid() const
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375 | { return (m_kind != Invalid); }
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376 |
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377 | inline bool isVariant() const
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378 | { return (m_kind == Variant); }
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379 |
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380 | inline bool isMetaType() const
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381 | { return (m_kind == MetaType); }
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382 |
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383 | inline bool isUnresolved() const
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384 | { return (m_kind == Unresolved); }
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385 |
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386 | inline bool isMetaEnum() const
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387 | { return (m_kind == MetaEnum); }
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388 |
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389 | QByteArray name() const;
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390 |
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391 | inline int enumeratorIndex() const
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392 | { Q_ASSERT(isMetaEnum()); return m_typeId; }
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393 |
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394 | inline bool operator==(const QScriptMetaType &other) const
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395 | {
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396 | return (m_kind == other.m_kind) && (m_typeId == other.m_typeId);
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397 | }
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398 |
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399 | static inline QScriptMetaType variant()
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400 | { return QScriptMetaType(Variant); }
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401 |
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402 | static inline QScriptMetaType metaType(int typeId, const QByteArray &name)
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403 | { return QScriptMetaType(MetaType, typeId, name); }
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404 |
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405 | static inline QScriptMetaType metaEnum(int enumIndex, const QByteArray &name)
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406 | { return QScriptMetaType(MetaEnum, enumIndex, name); }
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407 |
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408 | static inline QScriptMetaType unresolved(const QByteArray &name)
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409 | { return QScriptMetaType(Unresolved, /*typeId=*/0, name); }
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410 |
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411 | private:
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412 | inline QScriptMetaType(Kind kind, int typeId = 0, const QByteArray &name = QByteArray())
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413 | : m_kind(kind), m_typeId(typeId), m_name(name) { }
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414 |
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415 | Kind m_kind;
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416 | int m_typeId;
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417 | QByteArray m_name;
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418 | };
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419 |
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420 | int QScriptMetaType::typeId() const
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421 | {
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422 | if (isVariant())
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423 | return QMetaType::type("QVariant");
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424 | return isMetaEnum() ? 2/*int*/ : m_typeId;
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425 | }
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426 |
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427 | QByteArray QScriptMetaType::name() const
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428 | {
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429 | if (!m_name.isEmpty())
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430 | return m_name;
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431 | else if (m_kind == Variant)
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432 | return "QVariant";
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433 | return QMetaType::typeName(typeId());
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434 | }
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435 |
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436 | class QScriptMetaMethod
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437 | {
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438 | public:
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439 | inline QScriptMetaMethod()
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440 | { }
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441 | inline QScriptMetaMethod(const QVector<QScriptMetaType> &types)
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442 | : m_types(types), m_firstUnresolvedIndex(-1)
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443 | {
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444 | QVector<QScriptMetaType>::const_iterator it;
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445 | for (it = m_types.constBegin(); it != m_types.constEnd(); ++it) {
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446 | if ((*it).kind() == QScriptMetaType::Unresolved) {
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447 | m_firstUnresolvedIndex = it - m_types.constBegin();
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448 | break;
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449 | }
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450 | }
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451 | }
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452 | inline bool isValid() const
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453 | { return !m_types.isEmpty(); }
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454 |
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455 | inline QScriptMetaType returnType() const
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456 | { return m_types.at(0); }
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457 |
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458 | inline int argumentCount() const
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459 | { return m_types.count() - 1; }
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460 |
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461 | inline QScriptMetaType argumentType(int arg) const
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462 | { return m_types.at(arg + 1); }
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463 |
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464 | inline bool fullyResolved() const
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465 | { return m_firstUnresolvedIndex == -1; }
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466 |
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467 | inline bool hasUnresolvedReturnType() const
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468 | { return (m_firstUnresolvedIndex == 0); }
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469 |
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470 | inline int firstUnresolvedIndex() const
|
---|
471 | { return m_firstUnresolvedIndex; }
|
---|
472 |
|
---|
473 | inline int count() const
|
---|
474 | { return m_types.count(); }
|
---|
475 |
|
---|
476 | inline QScriptMetaType type(int index) const
|
---|
477 | { return m_types.at(index); }
|
---|
478 |
|
---|
479 | inline QVector<QScriptMetaType> types() const
|
---|
480 | { return m_types; }
|
---|
481 |
|
---|
482 | private:
|
---|
483 | QVector<QScriptMetaType> m_types;
|
---|
484 | int m_firstUnresolvedIndex;
|
---|
485 | };
|
---|
486 |
|
---|
487 | struct QScriptMetaArguments
|
---|
488 | {
|
---|
489 | int matchDistance;
|
---|
490 | int index;
|
---|
491 | QScriptMetaMethod method;
|
---|
492 | QVarLengthArray<QVariant, 9> args;
|
---|
493 |
|
---|
494 | inline QScriptMetaArguments(int dist, int idx, const QScriptMetaMethod &mtd,
|
---|
495 | const QVarLengthArray<QVariant, 9> &as)
|
---|
496 | : matchDistance(dist), index(idx), method(mtd), args(as) { }
|
---|
497 | inline QScriptMetaArguments()
|
---|
498 | : index(-1) { }
|
---|
499 |
|
---|
500 | inline bool isValid() const
|
---|
501 | { return (index != -1); }
|
---|
502 | };
|
---|
503 |
|
---|
504 | static QMetaMethod metaMethod(const QMetaObject *meta,
|
---|
505 | QMetaMethod::MethodType type,
|
---|
506 | int index)
|
---|
507 | {
|
---|
508 | if (type != QMetaMethod::Constructor)
|
---|
509 | return meta->method(index);
|
---|
510 | else
|
---|
511 | return meta->constructor(index);
|
---|
512 | }
|
---|
513 |
|
---|
514 | static JSC::JSValue callQtMethod(JSC::ExecState *exec, QMetaMethod::MethodType callType,
|
---|
515 | QObject *thisQObject, const JSC::ArgList &scriptArgs,
|
---|
516 | const QMetaObject *meta, int initialIndex,
|
---|
517 | bool maybeOverloaded)
|
---|
518 | {
|
---|
519 | QScriptMetaMethod chosenMethod;
|
---|
520 | int chosenIndex = -1;
|
---|
521 | QVarLengthArray<QVariant, 9> args;
|
---|
522 | QVector<QScriptMetaArguments> candidates;
|
---|
523 | QVector<QScriptMetaArguments> unresolved;
|
---|
524 | QVector<int> tooFewArgs;
|
---|
525 | QVector<int> conversionFailed;
|
---|
526 | int index;
|
---|
527 | int nameLength = 0;
|
---|
528 | const char *initialMethodSignature = 0;
|
---|
529 | exec->clearException();
|
---|
530 | QScriptEnginePrivate *engine = QScript::scriptEngineFromExec(exec);
|
---|
531 | for (index = initialIndex; index >= 0; --index) {
|
---|
532 | QMetaMethod method = metaMethod(meta, callType, index);
|
---|
533 |
|
---|
534 | if (index == initialIndex) {
|
---|
535 | initialMethodSignature = method.signature();
|
---|
536 | nameLength = methodNameLength(method);
|
---|
537 | } else {
|
---|
538 | if (!methodNameEquals(method, initialMethodSignature, nameLength))
|
---|
539 | continue;
|
---|
540 | }
|
---|
541 |
|
---|
542 | QList<QByteArray> parameterTypeNames = method.parameterTypes();
|
---|
543 |
|
---|
544 | QVector<QScriptMetaType> types;
|
---|
545 | types.resize(1 + parameterTypeNames.size());
|
---|
546 | QScriptMetaType *typesData = types.data();
|
---|
547 | // resolve return type
|
---|
548 | QByteArray returnTypeName = method.typeName();
|
---|
549 | int rtype = QMetaType::type(returnTypeName);
|
---|
550 | if ((rtype == 0) && !returnTypeName.isEmpty()) {
|
---|
551 | int enumIndex = indexOfMetaEnum(meta, returnTypeName);
|
---|
552 | if (enumIndex != -1)
|
---|
553 | typesData[0] = QScriptMetaType::metaEnum(enumIndex, returnTypeName);
|
---|
554 | else
|
---|
555 | typesData[0] = QScriptMetaType::unresolved(returnTypeName);
|
---|
556 | } else {
|
---|
557 | if (callType == QMetaMethod::Constructor)
|
---|
558 | typesData[0] = QScriptMetaType::metaType(QMetaType::QObjectStar, "QObject*");
|
---|
559 | else if (rtype == QMetaType::QVariant)
|
---|
560 | typesData[0] = QScriptMetaType::variant();
|
---|
561 | else
|
---|
562 | typesData[0] = QScriptMetaType::metaType(rtype, returnTypeName);
|
---|
563 | }
|
---|
564 |
|
---|
565 | // resolve argument types
|
---|
566 | for (int i = 0; i < parameterTypeNames.count(); ++i) {
|
---|
567 | QByteArray argTypeName = parameterTypeNames.at(i);
|
---|
568 | int atype = QMetaType::type(argTypeName);
|
---|
569 | if (atype == 0) {
|
---|
570 | int enumIndex = indexOfMetaEnum(meta, argTypeName);
|
---|
571 | if (enumIndex != -1)
|
---|
572 | typesData[1 + i] = QScriptMetaType::metaEnum(enumIndex, argTypeName);
|
---|
573 | else
|
---|
574 | typesData[1 + i] = QScriptMetaType::unresolved(argTypeName);
|
---|
575 | } else if (atype == QMetaType::QVariant) {
|
---|
576 | typesData[1 + i] = QScriptMetaType::variant();
|
---|
577 | } else {
|
---|
578 | typesData[1 + i] = QScriptMetaType::metaType(atype, argTypeName);
|
---|
579 | }
|
---|
580 | }
|
---|
581 |
|
---|
582 | QScriptMetaMethod mtd = QScriptMetaMethod(types);
|
---|
583 |
|
---|
584 | if (int(scriptArgs.size()) < mtd.argumentCount()) {
|
---|
585 | tooFewArgs.append(index);
|
---|
586 | continue;
|
---|
587 | }
|
---|
588 |
|
---|
589 | if (!mtd.fullyResolved()) {
|
---|
590 | // remember it so we can give an error message later, if necessary
|
---|
591 | unresolved.append(QScriptMetaArguments(/*matchDistance=*/INT_MAX, index,
|
---|
592 | mtd, QVarLengthArray<QVariant, 9>()));
|
---|
593 | if (mtd.hasUnresolvedReturnType())
|
---|
594 | continue;
|
---|
595 | }
|
---|
596 |
|
---|
597 | if (args.count() != mtd.count())
|
---|
598 | args.resize(mtd.count());
|
---|
599 |
|
---|
600 | QScriptMetaType retType = mtd.returnType();
|
---|
601 | args[0] = QVariant(retType.typeId(), (void *)0); // the result
|
---|
602 |
|
---|
603 | // try to convert arguments
|
---|
604 | bool converted = true;
|
---|
605 | int matchDistance = 0;
|
---|
606 | for (int i = 0; converted && i < mtd.argumentCount(); ++i) {
|
---|
607 | JSC::JSValue actual;
|
---|
608 | if (i < (int)scriptArgs.size())
|
---|
609 | actual = scriptArgs.at(i);
|
---|
610 | else
|
---|
611 | actual = JSC::jsUndefined();
|
---|
612 | QScriptMetaType argType = mtd.argumentType(i);
|
---|
613 | int tid = -1;
|
---|
614 | QVariant v;
|
---|
615 | if (argType.isUnresolved()) {
|
---|
616 | v = QVariant(QMetaType::QObjectStar, (void *)0);
|
---|
617 | converted = QScriptEnginePrivate::convertToNativeQObject(
|
---|
618 | exec, actual, argType.name(), reinterpret_cast<void* *>(v.data()));
|
---|
619 | } else if (argType.isVariant()) {
|
---|
620 | if (QScriptEnginePrivate::isVariant(actual)) {
|
---|
621 | v = QScriptEnginePrivate::variantValue(actual);
|
---|
622 | } else {
|
---|
623 | v = QScriptEnginePrivate::toVariant(exec, actual);
|
---|
624 | converted = v.isValid() || actual.isUndefined() || actual.isNull();
|
---|
625 | }
|
---|
626 | } else {
|
---|
627 | tid = argType.typeId();
|
---|
628 | v = QVariant(tid, (void *)0);
|
---|
629 | converted = QScriptEnginePrivate::convertValue(exec, actual, tid, v.data());
|
---|
630 | if (exec->hadException())
|
---|
631 | return exec->exception();
|
---|
632 | }
|
---|
633 |
|
---|
634 | if (!converted) {
|
---|
635 | if (QScriptEnginePrivate::isVariant(actual)) {
|
---|
636 | if (tid == -1)
|
---|
637 | tid = argType.typeId();
|
---|
638 | QVariant vv = QScriptEnginePrivate::variantValue(actual);
|
---|
639 | if (vv.canConvert(QVariant::Type(tid))) {
|
---|
640 | v = vv;
|
---|
641 | converted = v.convert(QVariant::Type(tid));
|
---|
642 | if (converted && (vv.userType() != tid))
|
---|
643 | matchDistance += 10;
|
---|
644 | } else {
|
---|
645 | QByteArray vvTypeName = vv.typeName();
|
---|
646 | if (vvTypeName.endsWith('*')
|
---|
647 | && (vvTypeName.left(vvTypeName.size()-1) == argType.name())) {
|
---|
648 | v = QVariant(tid, *reinterpret_cast<void* *>(vv.data()));
|
---|
649 | converted = true;
|
---|
650 | matchDistance += 10;
|
---|
651 | }
|
---|
652 | }
|
---|
653 | } else if (actual.isNumber() || actual.isString()) {
|
---|
654 | // see if it's an enum value
|
---|
655 | QMetaEnum m;
|
---|
656 | if (argType.isMetaEnum()) {
|
---|
657 | m = meta->enumerator(argType.enumeratorIndex());
|
---|
658 | } else {
|
---|
659 | int mi = indexOfMetaEnum(meta, argType.name());
|
---|
660 | if (mi != -1)
|
---|
661 | m = meta->enumerator(mi);
|
---|
662 | }
|
---|
663 | if (m.isValid()) {
|
---|
664 | if (actual.isNumber()) {
|
---|
665 | int ival = QScriptEnginePrivate::toInt32(exec, actual);
|
---|
666 | if (m.valueToKey(ival) != 0) {
|
---|
667 | qVariantSetValue(v, ival);
|
---|
668 | converted = true;
|
---|
669 | matchDistance += 10;
|
---|
670 | }
|
---|
671 | } else {
|
---|
672 | JSC::UString sval = QScriptEnginePrivate::toString(exec, actual);
|
---|
673 | int ival = m.keyToValue(convertToLatin1(sval));
|
---|
674 | if (ival != -1) {
|
---|
675 | qVariantSetValue(v, ival);
|
---|
676 | converted = true;
|
---|
677 | matchDistance += 10;
|
---|
678 | }
|
---|
679 | }
|
---|
680 | }
|
---|
681 | }
|
---|
682 | } else {
|
---|
683 | // determine how well the conversion matched
|
---|
684 | if (actual.isNumber()) {
|
---|
685 | switch (tid) {
|
---|
686 | case QMetaType::Double:
|
---|
687 | // perfect
|
---|
688 | break;
|
---|
689 | case QMetaType::Float:
|
---|
690 | matchDistance += 1;
|
---|
691 | break;
|
---|
692 | case QMetaType::LongLong:
|
---|
693 | case QMetaType::ULongLong:
|
---|
694 | matchDistance += 2;
|
---|
695 | break;
|
---|
696 | case QMetaType::Long:
|
---|
697 | case QMetaType::ULong:
|
---|
698 | matchDistance += 3;
|
---|
699 | break;
|
---|
700 | case QMetaType::Int:
|
---|
701 | case QMetaType::UInt:
|
---|
702 | matchDistance += 4;
|
---|
703 | break;
|
---|
704 | case QMetaType::Short:
|
---|
705 | case QMetaType::UShort:
|
---|
706 | matchDistance += 5;
|
---|
707 | break;
|
---|
708 | case QMetaType::Char:
|
---|
709 | case QMetaType::UChar:
|
---|
710 | matchDistance += 6;
|
---|
711 | break;
|
---|
712 | default:
|
---|
713 | matchDistance += 10;
|
---|
714 | break;
|
---|
715 | }
|
---|
716 | } else if (actual.isString()) {
|
---|
717 | switch (tid) {
|
---|
718 | case QMetaType::QString:
|
---|
719 | // perfect
|
---|
720 | break;
|
---|
721 | default:
|
---|
722 | matchDistance += 10;
|
---|
723 | break;
|
---|
724 | }
|
---|
725 | } else if (actual.isBoolean()) {
|
---|
726 | switch (tid) {
|
---|
727 | case QMetaType::Bool:
|
---|
728 | // perfect
|
---|
729 | break;
|
---|
730 | default:
|
---|
731 | matchDistance += 10;
|
---|
732 | break;
|
---|
733 | }
|
---|
734 | } else if (QScriptEnginePrivate::isDate(actual)) {
|
---|
735 | switch (tid) {
|
---|
736 | case QMetaType::QDateTime:
|
---|
737 | // perfect
|
---|
738 | break;
|
---|
739 | case QMetaType::QDate:
|
---|
740 | matchDistance += 1;
|
---|
741 | break;
|
---|
742 | case QMetaType::QTime:
|
---|
743 | matchDistance += 2;
|
---|
744 | break;
|
---|
745 | default:
|
---|
746 | matchDistance += 10;
|
---|
747 | break;
|
---|
748 | }
|
---|
749 | } else if (QScriptEnginePrivate::isRegExp(actual)) {
|
---|
750 | switch (tid) {
|
---|
751 | case QMetaType::QRegExp:
|
---|
752 | // perfect
|
---|
753 | break;
|
---|
754 | default:
|
---|
755 | matchDistance += 10;
|
---|
756 | break;
|
---|
757 | }
|
---|
758 | } else if (QScriptEnginePrivate::isVariant(actual)) {
|
---|
759 | if (argType.isVariant()
|
---|
760 | || (QScriptEnginePrivate::toVariant(exec, actual).userType() == tid)) {
|
---|
761 | // perfect
|
---|
762 | } else {
|
---|
763 | matchDistance += 10;
|
---|
764 | }
|
---|
765 | } else if (QScriptEnginePrivate::isArray(actual)) {
|
---|
766 | switch (tid) {
|
---|
767 | case QMetaType::QStringList:
|
---|
768 | case QMetaType::QVariantList:
|
---|
769 | matchDistance += 5;
|
---|
770 | break;
|
---|
771 | default:
|
---|
772 | matchDistance += 10;
|
---|
773 | break;
|
---|
774 | }
|
---|
775 | } else if (QScriptEnginePrivate::isQObject(actual)) {
|
---|
776 | switch (tid) {
|
---|
777 | case QMetaType::QObjectStar:
|
---|
778 | case QMetaType::QWidgetStar:
|
---|
779 | // perfect
|
---|
780 | break;
|
---|
781 | default:
|
---|
782 | matchDistance += 10;
|
---|
783 | break;
|
---|
784 | }
|
---|
785 | } else if (actual.isNull()) {
|
---|
786 | switch (tid) {
|
---|
787 | case QMetaType::VoidStar:
|
---|
788 | case QMetaType::QObjectStar:
|
---|
789 | case QMetaType::QWidgetStar:
|
---|
790 | // perfect
|
---|
791 | break;
|
---|
792 | default:
|
---|
793 | if (!argType.name().endsWith('*'))
|
---|
794 | matchDistance += 10;
|
---|
795 | break;
|
---|
796 | }
|
---|
797 | } else {
|
---|
798 | matchDistance += 10;
|
---|
799 | }
|
---|
800 | }
|
---|
801 |
|
---|
802 | if (converted)
|
---|
803 | args[i+1] = v;
|
---|
804 | }
|
---|
805 |
|
---|
806 | if (converted) {
|
---|
807 | if ((scriptArgs.size() == (size_t)mtd.argumentCount())
|
---|
808 | && (matchDistance == 0)) {
|
---|
809 | // perfect match, use this one
|
---|
810 | chosenMethod = mtd;
|
---|
811 | chosenIndex = index;
|
---|
812 | break;
|
---|
813 | } else {
|
---|
814 | bool redundant = false;
|
---|
815 | if ((callType != QMetaMethod::Constructor)
|
---|
816 | && (index < meta->methodOffset())) {
|
---|
817 | // it is possible that a virtual method is redeclared in a subclass,
|
---|
818 | // in which case we want to ignore the superclass declaration
|
---|
819 | for (int i = 0; i < candidates.size(); ++i) {
|
---|
820 | const QScriptMetaArguments &other = candidates.at(i);
|
---|
821 | if (mtd.types() == other.method.types()) {
|
---|
822 | redundant = true;
|
---|
823 | break;
|
---|
824 | }
|
---|
825 | }
|
---|
826 | }
|
---|
827 | if (!redundant) {
|
---|
828 | QScriptMetaArguments metaArgs(matchDistance, index, mtd, args);
|
---|
829 | if (candidates.isEmpty()) {
|
---|
830 | candidates.append(metaArgs);
|
---|
831 | } else {
|
---|
832 | const QScriptMetaArguments &otherArgs = candidates.at(0);
|
---|
833 | if ((args.count() > otherArgs.args.count())
|
---|
834 | || ((args.count() == otherArgs.args.count())
|
---|
835 | && (matchDistance <= otherArgs.matchDistance))) {
|
---|
836 | candidates.prepend(metaArgs);
|
---|
837 | } else {
|
---|
838 | candidates.append(metaArgs);
|
---|
839 | }
|
---|
840 | }
|
---|
841 | }
|
---|
842 | }
|
---|
843 | } else if (mtd.fullyResolved()) {
|
---|
844 | conversionFailed.append(index);
|
---|
845 | }
|
---|
846 |
|
---|
847 | if (!maybeOverloaded)
|
---|
848 | break;
|
---|
849 | }
|
---|
850 |
|
---|
851 | JSC::JSValue result;
|
---|
852 | if ((chosenIndex == -1) && candidates.isEmpty()) {
|
---|
853 | // context->calleeMetaIndex = initialIndex;
|
---|
854 | //#ifndef Q_SCRIPT_NO_EVENT_NOTIFY
|
---|
855 | // engine->notifyFunctionEntry(context);
|
---|
856 | //#endif
|
---|
857 | QString funName = QString::fromLatin1(methodName(initialMethodSignature, nameLength));
|
---|
858 | if (!conversionFailed.isEmpty()) {
|
---|
859 | QString message = QString::fromLatin1("incompatible type of argument(s) in call to %0(); candidates were\n")
|
---|
860 | .arg(funName);
|
---|
861 | for (int i = 0; i < conversionFailed.size(); ++i) {
|
---|
862 | if (i > 0)
|
---|
863 | message += QLatin1String("\n");
|
---|
864 | QMetaMethod mtd = metaMethod(meta, callType, conversionFailed.at(i));
|
---|
865 | message += QString::fromLatin1(" %0").arg(QString::fromLatin1(mtd.signature()));
|
---|
866 | }
|
---|
867 | result = JSC::throwError(exec, JSC::TypeError, message);
|
---|
868 | } else if (!unresolved.isEmpty()) {
|
---|
869 | QScriptMetaArguments argsInstance = unresolved.first();
|
---|
870 | int unresolvedIndex = argsInstance.method.firstUnresolvedIndex();
|
---|
871 | Q_ASSERT(unresolvedIndex != -1);
|
---|
872 | QScriptMetaType unresolvedType = argsInstance.method.type(unresolvedIndex);
|
---|
873 | QString unresolvedTypeName = QString::fromLatin1(unresolvedType.name());
|
---|
874 | QString message = QString::fromLatin1("cannot call %0(): ")
|
---|
875 | .arg(funName);
|
---|
876 | if (unresolvedIndex > 0) {
|
---|
877 | message.append(QString::fromLatin1("argument %0 has unknown type `%1'").
|
---|
878 | arg(unresolvedIndex).arg(unresolvedTypeName));
|
---|
879 | } else {
|
---|
880 | message.append(QString::fromLatin1("unknown return type `%0'")
|
---|
881 | .arg(unresolvedTypeName));
|
---|
882 | }
|
---|
883 | message.append(QString::fromLatin1(" (register the type with qScriptRegisterMetaType())"));
|
---|
884 | result = JSC::throwError(exec, JSC::TypeError, message);
|
---|
885 | } else {
|
---|
886 | QString message = QString::fromLatin1("too few arguments in call to %0(); candidates are\n")
|
---|
887 | .arg(funName);
|
---|
888 | for (int i = 0; i < tooFewArgs.size(); ++i) {
|
---|
889 | if (i > 0)
|
---|
890 | message += QLatin1String("\n");
|
---|
891 | QMetaMethod mtd = metaMethod(meta, callType, tooFewArgs.at(i));
|
---|
892 | message += QString::fromLatin1(" %0").arg(QString::fromLatin1(mtd.signature()));
|
---|
893 | }
|
---|
894 | result = JSC::throwError(exec, JSC::SyntaxError, message);
|
---|
895 | }
|
---|
896 | } else {
|
---|
897 | if (chosenIndex == -1) {
|
---|
898 | QScriptMetaArguments metaArgs = candidates.at(0);
|
---|
899 | if ((candidates.size() > 1)
|
---|
900 | && (metaArgs.args.count() == candidates.at(1).args.count())
|
---|
901 | && (metaArgs.matchDistance == candidates.at(1).matchDistance)) {
|
---|
902 | // ambiguous call
|
---|
903 | QByteArray funName = methodName(initialMethodSignature, nameLength);
|
---|
904 | QString message = QString::fromLatin1("ambiguous call of overloaded function %0(); candidates were\n")
|
---|
905 | .arg(QLatin1String(funName));
|
---|
906 | for (int i = 0; i < candidates.size(); ++i) {
|
---|
907 | if (i > 0)
|
---|
908 | message += QLatin1String("\n");
|
---|
909 | QMetaMethod mtd = metaMethod(meta, callType, candidates.at(i).index);
|
---|
910 | message += QString::fromLatin1(" %0").arg(QString::fromLatin1(mtd.signature()));
|
---|
911 | }
|
---|
912 | result = JSC::throwError(exec, JSC::TypeError, message);
|
---|
913 | } else {
|
---|
914 | chosenMethod = metaArgs.method;
|
---|
915 | chosenIndex = metaArgs.index;
|
---|
916 | args = metaArgs.args;
|
---|
917 | }
|
---|
918 | }
|
---|
919 |
|
---|
920 | if (chosenIndex != -1) {
|
---|
921 | // call it
|
---|
922 | // context->calleeMetaIndex = chosenIndex;
|
---|
923 |
|
---|
924 | QVarLengthArray<void*, 9> array(args.count());
|
---|
925 | void **params = array.data();
|
---|
926 | for (int i = 0; i < args.count(); ++i) {
|
---|
927 | const QVariant &v = args[i];
|
---|
928 | switch (chosenMethod.type(i).kind()) {
|
---|
929 | case QScriptMetaType::Variant:
|
---|
930 | params[i] = const_cast<QVariant*>(&v);
|
---|
931 | break;
|
---|
932 | case QScriptMetaType::MetaType:
|
---|
933 | case QScriptMetaType::MetaEnum:
|
---|
934 | case QScriptMetaType::Unresolved:
|
---|
935 | params[i] = const_cast<void*>(v.constData());
|
---|
936 | break;
|
---|
937 | default:
|
---|
938 | Q_ASSERT(0);
|
---|
939 | }
|
---|
940 | }
|
---|
941 |
|
---|
942 | QScriptable *scriptable = 0;
|
---|
943 | if (thisQObject)
|
---|
944 | scriptable = scriptableFromQObject(thisQObject);
|
---|
945 | QScriptEngine *oldEngine = 0;
|
---|
946 | if (scriptable) {
|
---|
947 | oldEngine = QScriptablePrivate::get(scriptable)->engine;
|
---|
948 | QScriptablePrivate::get(scriptable)->engine = QScriptEnginePrivate::get(engine);
|
---|
949 | }
|
---|
950 |
|
---|
951 | // ### fixme
|
---|
952 | //#ifndef Q_SCRIPT_NO_EVENT_NOTIFY
|
---|
953 | // engine->notifyFunctionEntry(context);
|
---|
954 | //#endif
|
---|
955 |
|
---|
956 | if (callType == QMetaMethod::Constructor) {
|
---|
957 | Q_ASSERT(meta != 0);
|
---|
958 | meta->static_metacall(QMetaObject::CreateInstance, chosenIndex, params);
|
---|
959 | } else {
|
---|
960 | QMetaObject::metacall(thisQObject, QMetaObject::InvokeMetaMethod, chosenIndex, params);
|
---|
961 | }
|
---|
962 |
|
---|
963 | if (scriptable)
|
---|
964 | QScriptablePrivate::get(scriptable)->engine = oldEngine;
|
---|
965 |
|
---|
966 | if (exec->hadException()) {
|
---|
967 | result = exec->exception() ; // propagate
|
---|
968 | } else {
|
---|
969 | QScriptMetaType retType = chosenMethod.returnType();
|
---|
970 | if (retType.isVariant()) {
|
---|
971 | result = QScriptEnginePrivate::jscValueFromVariant(exec, *(QVariant *)params[0]);
|
---|
972 | } else if (retType.typeId() != 0) {
|
---|
973 | result = QScriptEnginePrivate::create(exec, retType.typeId(), params[0]);
|
---|
974 | if (!result)
|
---|
975 | result = engine->newVariant(QVariant(retType.typeId(), params[0]));
|
---|
976 | } else {
|
---|
977 | result = JSC::jsUndefined();
|
---|
978 | }
|
---|
979 | }
|
---|
980 | }
|
---|
981 | }
|
---|
982 |
|
---|
983 | return result;
|
---|
984 | }
|
---|
985 |
|
---|
986 | JSC::JSValue QtFunction::execute(JSC::ExecState *exec, JSC::JSValue thisValue,
|
---|
987 | const JSC::ArgList &scriptArgs)
|
---|
988 | {
|
---|
989 | Q_ASSERT(data->object.inherits(&QScriptObject::info));
|
---|
990 | QScriptObject *scriptObject = static_cast<QScriptObject*>(JSC::asObject(data->object));
|
---|
991 | QScriptObjectDelegate *delegate = scriptObject->delegate();
|
---|
992 | Q_ASSERT(delegate && (delegate->type() == QScriptObjectDelegate::QtObject));
|
---|
993 | QObject *qobj = static_cast<QScript::QObjectDelegate*>(delegate)->value();
|
---|
994 | if (!qobj)
|
---|
995 | return JSC::throwError(exec, JSC::GeneralError, QString::fromLatin1("cannot call function of deleted QObject"));
|
---|
996 | QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
|
---|
997 |
|
---|
998 | const QMetaObject *meta = qobj->metaObject();
|
---|
999 | QObject *thisQObject = 0;
|
---|
1000 | thisValue = engine->toUsableValue(thisValue);
|
---|
1001 | if (thisValue.inherits(&QScriptObject::info)) {
|
---|
1002 | delegate = static_cast<QScriptObject*>(JSC::asObject(thisValue))->delegate();
|
---|
1003 | if (delegate && (delegate->type() == QScriptObjectDelegate::QtObject))
|
---|
1004 | thisQObject = static_cast<QScript::QObjectDelegate*>(delegate)->value();
|
---|
1005 | }
|
---|
1006 | if (!thisQObject)
|
---|
1007 | thisQObject = qobj; // ### TypeError
|
---|
1008 |
|
---|
1009 | if (!meta->cast(thisQObject)) {
|
---|
1010 | // invoking a function in the prototype
|
---|
1011 | thisQObject = qobj;
|
---|
1012 | }
|
---|
1013 |
|
---|
1014 | return callQtMethod(exec, QMetaMethod::Method, thisQObject, scriptArgs,
|
---|
1015 | meta, data->initialIndex, data->maybeOverloaded);
|
---|
1016 | }
|
---|
1017 |
|
---|
1018 | const JSC::ClassInfo QtFunction::info = { "QtFunction", &InternalFunction::info, 0, 0 };
|
---|
1019 |
|
---|
1020 | JSC::JSValue JSC_HOST_CALL QtFunction::call(JSC::ExecState *exec, JSC::JSObject *callee,
|
---|
1021 | JSC::JSValue thisValue, const JSC::ArgList &args)
|
---|
1022 | {
|
---|
1023 | if (!callee->inherits(&QtFunction::info))
|
---|
1024 | return throwError(exec, JSC::TypeError, "callee is not a QtFunction object");
|
---|
1025 | QtFunction *qfun = static_cast<QtFunction*>(callee);
|
---|
1026 | QScriptEnginePrivate *eng_p = scriptEngineFromExec(exec);
|
---|
1027 | JSC::ExecState *previousFrame = eng_p->currentFrame;
|
---|
1028 | eng_p->currentFrame = exec;
|
---|
1029 | eng_p->pushContext(exec, thisValue, args, callee);
|
---|
1030 | JSC::JSValue result = qfun->execute(eng_p->currentFrame, thisValue, args);
|
---|
1031 | eng_p->popContext();
|
---|
1032 | eng_p->currentFrame = previousFrame;
|
---|
1033 | return result;
|
---|
1034 | }
|
---|
1035 |
|
---|
1036 | const JSC::ClassInfo QtPropertyFunction::info = { "QtPropertyFunction", &InternalFunction::info, 0, 0 };
|
---|
1037 |
|
---|
1038 | QtPropertyFunction::QtPropertyFunction(const QMetaObject *meta, int index,
|
---|
1039 | JSC::JSGlobalData *data,
|
---|
1040 | WTF::PassRefPtr<JSC::Structure> sid,
|
---|
1041 | const JSC::Identifier &ident)
|
---|
1042 | : JSC::InternalFunction(data, sid, ident),
|
---|
1043 | data(new Data(meta, index))
|
---|
1044 | {
|
---|
1045 | }
|
---|
1046 |
|
---|
1047 | QtPropertyFunction::~QtPropertyFunction()
|
---|
1048 | {
|
---|
1049 | delete data;
|
---|
1050 | }
|
---|
1051 |
|
---|
1052 | JSC::CallType QtPropertyFunction::getCallData(JSC::CallData &callData)
|
---|
1053 | {
|
---|
1054 | callData.native.function = call;
|
---|
1055 | return JSC::CallTypeHost;
|
---|
1056 | }
|
---|
1057 |
|
---|
1058 | JSC::JSValue JSC_HOST_CALL QtPropertyFunction::call(
|
---|
1059 | JSC::ExecState *exec, JSC::JSObject *callee,
|
---|
1060 | JSC::JSValue thisValue, const JSC::ArgList &args)
|
---|
1061 | {
|
---|
1062 | if (!callee->inherits(&QtPropertyFunction::info))
|
---|
1063 | return throwError(exec, JSC::TypeError, "callee is not a QtPropertyFunction object");
|
---|
1064 | QtPropertyFunction *qfun = static_cast<QtPropertyFunction*>(callee);
|
---|
1065 | return qfun->execute(exec, thisValue, args);
|
---|
1066 | }
|
---|
1067 |
|
---|
1068 | JSC::JSValue QtPropertyFunction::execute(JSC::ExecState *exec,
|
---|
1069 | JSC::JSValue thisValue,
|
---|
1070 | const JSC::ArgList &args)
|
---|
1071 | {
|
---|
1072 | JSC::JSValue result = JSC::jsUndefined();
|
---|
1073 |
|
---|
1074 | QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
|
---|
1075 | JSC::ExecState *previousFrame = engine->currentFrame;
|
---|
1076 | engine->currentFrame = exec;
|
---|
1077 |
|
---|
1078 | JSC::JSValue qobjectValue = engine->toUsableValue(thisValue);
|
---|
1079 | QObject *qobject = QScriptEnginePrivate::toQObject(exec, qobjectValue);
|
---|
1080 | while ((!qobject || (qobject->metaObject() != data->meta))
|
---|
1081 | && JSC::asObject(qobjectValue)->prototype().isObject()) {
|
---|
1082 | qobjectValue = JSC::asObject(qobjectValue)->prototype();
|
---|
1083 | qobject = QScriptEnginePrivate::toQObject(exec, qobjectValue);
|
---|
1084 | }
|
---|
1085 | Q_ASSERT_X(qobject, Q_FUNC_INFO, "this-object must be a QObject");
|
---|
1086 |
|
---|
1087 | QMetaProperty prop = data->meta->property(data->index);
|
---|
1088 | Q_ASSERT(prop.isScriptable());
|
---|
1089 | if (args.size() == 0) {
|
---|
1090 | // get
|
---|
1091 | if (prop.isValid()) {
|
---|
1092 | QScriptable *scriptable = scriptableFromQObject(qobject);
|
---|
1093 | QScriptEngine *oldEngine = 0;
|
---|
1094 | if (scriptable) {
|
---|
1095 | engine->pushContext(exec, thisValue, args, this);
|
---|
1096 | oldEngine = QScriptablePrivate::get(scriptable)->engine;
|
---|
1097 | QScriptablePrivate::get(scriptable)->engine = QScriptEnginePrivate::get(engine);
|
---|
1098 | }
|
---|
1099 |
|
---|
1100 | QVariant v = prop.read(qobject);
|
---|
1101 |
|
---|
1102 | if (scriptable) {
|
---|
1103 | QScriptablePrivate::get(scriptable)->engine = oldEngine;
|
---|
1104 | engine->popContext();
|
---|
1105 | }
|
---|
1106 |
|
---|
1107 | result = QScriptEnginePrivate::jscValueFromVariant(exec, v);
|
---|
1108 | }
|
---|
1109 | } else {
|
---|
1110 | // set
|
---|
1111 | JSC::JSValue arg = args.at(0);
|
---|
1112 | QVariant v;
|
---|
1113 | if (prop.isEnumType() && arg.isString()
|
---|
1114 | && !engine->hasDemarshalFunction(prop.userType())) {
|
---|
1115 | // give QMetaProperty::write() a chance to convert from
|
---|
1116 | // string to enum value
|
---|
1117 | v = (QString)arg.toString(exec);
|
---|
1118 | } else {
|
---|
1119 | v = variantFromValue(exec, prop.userType(), arg);
|
---|
1120 | }
|
---|
1121 |
|
---|
1122 | QScriptable *scriptable = scriptableFromQObject(qobject);
|
---|
1123 | QScriptEngine *oldEngine = 0;
|
---|
1124 | if (scriptable) {
|
---|
1125 | engine->pushContext(exec, thisValue, args, this);
|
---|
1126 | oldEngine = QScriptablePrivate::get(scriptable)->engine;
|
---|
1127 | QScriptablePrivate::get(scriptable)->engine = QScriptEnginePrivate::get(engine);
|
---|
1128 | }
|
---|
1129 |
|
---|
1130 | prop.write(qobject, v);
|
---|
1131 |
|
---|
1132 | if (scriptable) {
|
---|
1133 | QScriptablePrivate::get(scriptable)->engine = oldEngine;
|
---|
1134 | engine->popContext();
|
---|
1135 | }
|
---|
1136 |
|
---|
1137 | result = arg;
|
---|
1138 | }
|
---|
1139 | engine->currentFrame = previousFrame;
|
---|
1140 | return result;
|
---|
1141 | }
|
---|
1142 |
|
---|
1143 | const QMetaObject *QtPropertyFunction::metaObject() const
|
---|
1144 | {
|
---|
1145 | return data->meta;
|
---|
1146 | }
|
---|
1147 |
|
---|
1148 | int QtPropertyFunction::propertyIndex() const
|
---|
1149 | {
|
---|
1150 | return data->index;
|
---|
1151 | }
|
---|
1152 |
|
---|
1153 |
|
---|
1154 | QObjectDelegate::QObjectDelegate(
|
---|
1155 | QObject *object, QScriptEngine::ValueOwnership ownership,
|
---|
1156 | const QScriptEngine::QObjectWrapOptions &options)
|
---|
1157 | : data(new Data(object, ownership, options))
|
---|
1158 | {
|
---|
1159 | }
|
---|
1160 |
|
---|
1161 | QObjectDelegate::~QObjectDelegate()
|
---|
1162 | {
|
---|
1163 | switch (data->ownership) {
|
---|
1164 | case QScriptEngine::QtOwnership:
|
---|
1165 | break;
|
---|
1166 | case QScriptEngine::ScriptOwnership:
|
---|
1167 | if (data->value)
|
---|
1168 | delete data->value; // ### fixme
|
---|
1169 | // eng->disposeQObject(value);
|
---|
1170 | break;
|
---|
1171 | case QScriptEngine::AutoOwnership:
|
---|
1172 | if (data->value && !data->value->parent())
|
---|
1173 | delete data->value; // ### fixme
|
---|
1174 | // eng->disposeQObject(value);
|
---|
1175 | break;
|
---|
1176 | }
|
---|
1177 | delete data;
|
---|
1178 | }
|
---|
1179 |
|
---|
1180 | QScriptObjectDelegate::Type QObjectDelegate::type() const
|
---|
1181 | {
|
---|
1182 | return QtObject;
|
---|
1183 | }
|
---|
1184 |
|
---|
1185 | bool QObjectDelegate::getOwnPropertySlot(QScriptObject *object, JSC::ExecState *exec,
|
---|
1186 | const JSC::Identifier &propertyName,
|
---|
1187 | JSC::PropertySlot &slot)
|
---|
1188 | {
|
---|
1189 | //Note: this has to be kept in sync with getOwnPropertyDescriptor
|
---|
1190 | #ifndef QT_NO_PROPERTIES
|
---|
1191 | QByteArray name = convertToLatin1(propertyName.ustring());
|
---|
1192 | QObject *qobject = data->value;
|
---|
1193 | if (!qobject) {
|
---|
1194 | QString message = QString::fromLatin1("cannot access member `%0' of deleted QObject")
|
---|
1195 | .arg(QString::fromLatin1(name));
|
---|
1196 | slot.setValue(JSC::throwError(exec, JSC::GeneralError, message));
|
---|
1197 | return true;
|
---|
1198 | }
|
---|
1199 |
|
---|
1200 | const QMetaObject *meta = qobject->metaObject();
|
---|
1201 | {
|
---|
1202 | QHash<QByteArray, JSC::JSValue>::const_iterator it = data->cachedMembers.constFind(name);
|
---|
1203 | if (it != data->cachedMembers.constEnd()) {
|
---|
1204 | if (GeneratePropertyFunctions && (meta->indexOfProperty(name) != -1))
|
---|
1205 | slot.setGetterSlot(JSC::asObject(it.value()));
|
---|
1206 | else
|
---|
1207 | slot.setValue(it.value());
|
---|
1208 | return true;
|
---|
1209 | }
|
---|
1210 | }
|
---|
1211 |
|
---|
1212 | const QScriptEngine::QObjectWrapOptions &opt = data->options;
|
---|
1213 | QScriptEnginePrivate *eng = scriptEngineFromExec(exec);
|
---|
1214 | int index = -1;
|
---|
1215 | if (name.contains('(')) {
|
---|
1216 | QByteArray normalized = QMetaObject::normalizedSignature(name);
|
---|
1217 | if (-1 != (index = meta->indexOfMethod(normalized))) {
|
---|
1218 | QMetaMethod method = meta->method(index);
|
---|
1219 | if (hasMethodAccess(method, index, opt)) {
|
---|
1220 | if (!(opt & QScriptEngine::ExcludeSuperClassMethods)
|
---|
1221 | || (index >= meta->methodOffset())) {
|
---|
1222 | QtFunction *fun = new (exec)QtFunction(
|
---|
1223 | object, index, /*maybeOverloaded=*/false,
|
---|
1224 | &exec->globalData(), eng->originalGlobalObject()->functionStructure(),
|
---|
1225 | propertyName);
|
---|
1226 | slot.setValue(fun);
|
---|
1227 | data->cachedMembers.insert(name, fun);
|
---|
1228 | return true;
|
---|
1229 | }
|
---|
1230 | }
|
---|
1231 | }
|
---|
1232 | }
|
---|
1233 |
|
---|
1234 | index = meta->indexOfProperty(name);
|
---|
1235 | if (index != -1) {
|
---|
1236 | QMetaProperty prop = meta->property(index);
|
---|
1237 | if (prop.isScriptable()) {
|
---|
1238 | if (!(opt & QScriptEngine::ExcludeSuperClassProperties)
|
---|
1239 | || (index >= meta->propertyOffset())) {
|
---|
1240 | if (GeneratePropertyFunctions) {
|
---|
1241 | QtPropertyFunction *fun = new (exec)QtPropertyFunction(
|
---|
1242 | meta, index, &exec->globalData(),
|
---|
1243 | eng->originalGlobalObject()->functionStructure(),
|
---|
1244 | propertyName);
|
---|
1245 | data->cachedMembers.insert(name, fun);
|
---|
1246 | slot.setGetterSlot(fun);
|
---|
1247 | } else {
|
---|
1248 | JSC::JSValue val;
|
---|
1249 | if (!prop.isValid())
|
---|
1250 | val = JSC::jsUndefined();
|
---|
1251 | else
|
---|
1252 | val = QScriptEnginePrivate::jscValueFromVariant(exec, prop.read(qobject));
|
---|
1253 | slot.setValue(val);
|
---|
1254 | }
|
---|
1255 | return true;
|
---|
1256 | }
|
---|
1257 | }
|
---|
1258 | }
|
---|
1259 |
|
---|
1260 | index = qobject->dynamicPropertyNames().indexOf(name);
|
---|
1261 | if (index != -1) {
|
---|
1262 | JSC::JSValue val = QScriptEnginePrivate::jscValueFromVariant(exec, qobject->property(name));
|
---|
1263 | slot.setValue(val);
|
---|
1264 | return true;
|
---|
1265 | }
|
---|
1266 |
|
---|
1267 | const int offset = (opt & QScriptEngine::ExcludeSuperClassMethods)
|
---|
1268 | ? meta->methodOffset() : 0;
|
---|
1269 | for (index = meta->methodCount() - 1; index >= offset; --index) {
|
---|
1270 | QMetaMethod method = meta->method(index);
|
---|
1271 | if (hasMethodAccess(method, index, opt)
|
---|
1272 | && methodNameEquals(method, name.constData(), name.length())) {
|
---|
1273 | QtFunction *fun = new (exec)QtFunction(
|
---|
1274 | object, index, /*maybeOverloaded=*/true,
|
---|
1275 | &exec->globalData(), eng->originalGlobalObject()->functionStructure(),
|
---|
1276 | propertyName);
|
---|
1277 | slot.setValue(fun);
|
---|
1278 | data->cachedMembers.insert(name, fun);
|
---|
1279 | return true;
|
---|
1280 | }
|
---|
1281 | }
|
---|
1282 |
|
---|
1283 | if (!(opt & QScriptEngine::ExcludeChildObjects)) {
|
---|
1284 | QList<QObject*> children = qobject->children();
|
---|
1285 | for (index = 0; index < children.count(); ++index) {
|
---|
1286 | QObject *child = children.at(index);
|
---|
1287 | if (child->objectName() == QString(propertyName.ustring())) {
|
---|
1288 | QScriptEngine::QObjectWrapOptions opt = QScriptEngine::PreferExistingWrapperObject;
|
---|
1289 | slot.setValue(eng->newQObject(child, QScriptEngine::QtOwnership, opt));
|
---|
1290 | return true;
|
---|
1291 | }
|
---|
1292 | }
|
---|
1293 | }
|
---|
1294 |
|
---|
1295 | return QScriptObjectDelegate::getOwnPropertySlot(object, exec, propertyName, slot);
|
---|
1296 | #else //QT_NO_PROPERTIES
|
---|
1297 | return false;
|
---|
1298 | #endif //QT_NO_PROPERTIES
|
---|
1299 | }
|
---|
1300 |
|
---|
1301 |
|
---|
1302 | bool QObjectDelegate::getOwnPropertyDescriptor(QScriptObject *object, JSC::ExecState *exec,
|
---|
1303 | const JSC::Identifier &propertyName,
|
---|
1304 | JSC::PropertyDescriptor &descriptor)
|
---|
1305 | {
|
---|
1306 | //Note: this has to be kept in sync with getOwnPropertySlot
|
---|
1307 | #ifndef QT_NO_PROPERTIES
|
---|
1308 | QByteArray name = convertToLatin1(propertyName.ustring());
|
---|
1309 | QObject *qobject = data->value;
|
---|
1310 | if (!qobject) {
|
---|
1311 | QString message = QString::fromLatin1("cannot access member `%0' of deleted QObject")
|
---|
1312 | .arg(QString::fromLatin1(name));
|
---|
1313 | descriptor.setValue(JSC::throwError(exec, JSC::GeneralError, message));
|
---|
1314 | return true;
|
---|
1315 | }
|
---|
1316 |
|
---|
1317 | const QScriptEngine::QObjectWrapOptions &opt = data->options;
|
---|
1318 |
|
---|
1319 | const QMetaObject *meta = qobject->metaObject();
|
---|
1320 | {
|
---|
1321 | QHash<QByteArray, JSC::JSValue>::const_iterator it = data->cachedMembers.constFind(name);
|
---|
1322 | if (it != data->cachedMembers.constEnd()) {
|
---|
1323 | int index;
|
---|
1324 | if (GeneratePropertyFunctions && ((index = meta->indexOfProperty(name)) != -1)) {
|
---|
1325 | QMetaProperty prop = meta->property(index);
|
---|
1326 | descriptor.setAccessorDescriptor(it.value(), it.value(), flagsForMetaProperty(prop));
|
---|
1327 | if (!prop.isWritable())
|
---|
1328 | descriptor.setWritable(false);
|
---|
1329 | } else {
|
---|
1330 | unsigned attributes = QObjectMemberAttribute;
|
---|
1331 | if (opt & QScriptEngine::SkipMethodsInEnumeration)
|
---|
1332 | attributes |= JSC::DontEnum;
|
---|
1333 | descriptor.setDescriptor(it.value(), attributes);
|
---|
1334 | }
|
---|
1335 | return true;
|
---|
1336 | }
|
---|
1337 | }
|
---|
1338 |
|
---|
1339 | QScriptEnginePrivate *eng = scriptEngineFromExec(exec);
|
---|
1340 | int index = -1;
|
---|
1341 | if (name.contains('(')) {
|
---|
1342 | QByteArray normalized = QMetaObject::normalizedSignature(name);
|
---|
1343 | if (-1 != (index = meta->indexOfMethod(normalized))) {
|
---|
1344 | QMetaMethod method = meta->method(index);
|
---|
1345 | if (hasMethodAccess(method, index, opt)) {
|
---|
1346 | if (!(opt & QScriptEngine::ExcludeSuperClassMethods)
|
---|
1347 | || (index >= meta->methodOffset())) {
|
---|
1348 | QtFunction *fun = new (exec)QtFunction(
|
---|
1349 | object, index, /*maybeOverloaded=*/false,
|
---|
1350 | &exec->globalData(), eng->originalGlobalObject()->functionStructure(),
|
---|
1351 | propertyName);
|
---|
1352 | data->cachedMembers.insert(name, fun);
|
---|
1353 | unsigned attributes = QObjectMemberAttribute;
|
---|
1354 | if (opt & QScriptEngine::SkipMethodsInEnumeration)
|
---|
1355 | attributes |= JSC::DontEnum;
|
---|
1356 | descriptor.setDescriptor(fun, attributes);
|
---|
1357 | return true;
|
---|
1358 | }
|
---|
1359 | }
|
---|
1360 | }
|
---|
1361 | }
|
---|
1362 |
|
---|
1363 | index = meta->indexOfProperty(name);
|
---|
1364 | if (index != -1) {
|
---|
1365 | QMetaProperty prop = meta->property(index);
|
---|
1366 | if (prop.isScriptable()) {
|
---|
1367 | if (!(opt & QScriptEngine::ExcludeSuperClassProperties)
|
---|
1368 | || (index >= meta->propertyOffset())) {
|
---|
1369 | unsigned attributes = flagsForMetaProperty(prop);
|
---|
1370 | if (GeneratePropertyFunctions) {
|
---|
1371 | QtPropertyFunction *fun = new (exec)QtPropertyFunction(
|
---|
1372 | meta, index, &exec->globalData(),
|
---|
1373 | eng->originalGlobalObject()->functionStructure(),
|
---|
1374 | propertyName);
|
---|
1375 | data->cachedMembers.insert(name, fun);
|
---|
1376 | descriptor.setAccessorDescriptor(fun, fun, attributes);
|
---|
1377 | if (attributes & JSC::ReadOnly)
|
---|
1378 | descriptor.setWritable(false);
|
---|
1379 | } else {
|
---|
1380 | JSC::JSValue val;
|
---|
1381 | if (!prop.isValid())
|
---|
1382 | val = JSC::jsUndefined();
|
---|
1383 | else
|
---|
1384 | val = QScriptEnginePrivate::jscValueFromVariant(exec, prop.read(qobject));
|
---|
1385 | descriptor.setDescriptor(val, attributes);
|
---|
1386 | }
|
---|
1387 | return true;
|
---|
1388 | }
|
---|
1389 | }
|
---|
1390 | }
|
---|
1391 |
|
---|
1392 | index = qobject->dynamicPropertyNames().indexOf(name);
|
---|
1393 | if (index != -1) {
|
---|
1394 | JSC::JSValue val = QScriptEnginePrivate::jscValueFromVariant(exec, qobject->property(name));
|
---|
1395 | descriptor.setDescriptor(val, QObjectMemberAttribute);
|
---|
1396 | return true;
|
---|
1397 | }
|
---|
1398 |
|
---|
1399 | const int offset = (opt & QScriptEngine::ExcludeSuperClassMethods)
|
---|
1400 | ? meta->methodOffset() : 0;
|
---|
1401 | for (index = meta->methodCount() - 1; index >= offset; --index) {
|
---|
1402 | QMetaMethod method = meta->method(index);
|
---|
1403 | if (hasMethodAccess(method, index, opt)
|
---|
1404 | && methodNameEquals(method, name.constData(), name.length())) {
|
---|
1405 | QtFunction *fun = new (exec)QtFunction(
|
---|
1406 | object, index, /*maybeOverloaded=*/true,
|
---|
1407 | &exec->globalData(), eng->originalGlobalObject()->functionStructure(),
|
---|
1408 | propertyName);
|
---|
1409 | unsigned attributes = QObjectMemberAttribute;
|
---|
1410 | if (opt & QScriptEngine::SkipMethodsInEnumeration)
|
---|
1411 | attributes |= JSC::DontEnum;
|
---|
1412 | descriptor.setDescriptor(fun, attributes);
|
---|
1413 | data->cachedMembers.insert(name, fun);
|
---|
1414 | return true;
|
---|
1415 | }
|
---|
1416 | }
|
---|
1417 |
|
---|
1418 | if (!(opt & QScriptEngine::ExcludeChildObjects)) {
|
---|
1419 | QList<QObject*> children = qobject->children();
|
---|
1420 | for (index = 0; index < children.count(); ++index) {
|
---|
1421 | QObject *child = children.at(index);
|
---|
1422 | if (child->objectName() == QString(propertyName.ustring())) {
|
---|
1423 | QScriptEngine::QObjectWrapOptions opt = QScriptEngine::PreferExistingWrapperObject;
|
---|
1424 | descriptor.setDescriptor(eng->newQObject(child, QScriptEngine::QtOwnership, opt),
|
---|
1425 | JSC::ReadOnly | JSC::DontDelete | JSC::DontEnum);
|
---|
1426 | return true;
|
---|
1427 | }
|
---|
1428 | }
|
---|
1429 | }
|
---|
1430 |
|
---|
1431 | return QScriptObjectDelegate::getOwnPropertyDescriptor(object, exec, propertyName, descriptor);
|
---|
1432 | #else //QT_NO_PROPERTIES
|
---|
1433 | return false;
|
---|
1434 | #endif //QT_NO_PROPERTIES
|
---|
1435 | }
|
---|
1436 |
|
---|
1437 | void QObjectDelegate::put(QScriptObject *object, JSC::ExecState* exec,
|
---|
1438 | const JSC::Identifier& propertyName,
|
---|
1439 | JSC::JSValue value, JSC::PutPropertySlot &slot)
|
---|
1440 | {
|
---|
1441 | #ifndef QT_NO_PROPERTIES
|
---|
1442 | QByteArray name = convertToLatin1(propertyName.ustring());
|
---|
1443 | QObject *qobject = data->value;
|
---|
1444 | if (!qobject) {
|
---|
1445 | QString message = QString::fromLatin1("cannot access member `%0' of deleted QObject")
|
---|
1446 | .arg(QString::fromLatin1(name));
|
---|
1447 | JSC::throwError(exec, JSC::GeneralError, message);
|
---|
1448 | return;
|
---|
1449 | }
|
---|
1450 |
|
---|
1451 | const QScriptEngine::QObjectWrapOptions &opt = data->options;
|
---|
1452 | const QMetaObject *meta = qobject->metaObject();
|
---|
1453 | QScriptEnginePrivate *eng = scriptEngineFromExec(exec);
|
---|
1454 | int index = -1;
|
---|
1455 | if (name.contains('(')) {
|
---|
1456 | QByteArray normalized = QMetaObject::normalizedSignature(name);
|
---|
1457 | if (-1 != (index = meta->indexOfMethod(normalized))) {
|
---|
1458 | QMetaMethod method = meta->method(index);
|
---|
1459 | if (hasMethodAccess(method, index, opt)) {
|
---|
1460 | if (!(opt & QScriptEngine::ExcludeSuperClassMethods)
|
---|
1461 | || (index >= meta->methodOffset())) {
|
---|
1462 | data->cachedMembers.insert(name, value);
|
---|
1463 | return;
|
---|
1464 | }
|
---|
1465 | }
|
---|
1466 | }
|
---|
1467 | }
|
---|
1468 |
|
---|
1469 | index = meta->indexOfProperty(name);
|
---|
1470 | if (index != -1) {
|
---|
1471 | QMetaProperty prop = meta->property(index);
|
---|
1472 | if (prop.isScriptable()) {
|
---|
1473 | if (!(opt & QScriptEngine::ExcludeSuperClassProperties)
|
---|
1474 | || (index >= meta->propertyOffset())) {
|
---|
1475 | if (GeneratePropertyFunctions) {
|
---|
1476 | // ### ideally JSC would do this for us already, i.e. find out
|
---|
1477 | // that the property is a setter and call the setter.
|
---|
1478 | // Maybe QtPropertyFunction needs to inherit JSC::GetterSetter.
|
---|
1479 | JSC::JSValue fun;
|
---|
1480 | QHash<QByteArray, JSC::JSValue>::const_iterator it;
|
---|
1481 | it = data->cachedMembers.constFind(name);
|
---|
1482 | if (it != data->cachedMembers.constEnd()) {
|
---|
1483 | fun = it.value();
|
---|
1484 | } else {
|
---|
1485 | fun = new (exec)QtPropertyFunction(
|
---|
1486 | meta, index, &exec->globalData(),
|
---|
1487 | eng->originalGlobalObject()->functionStructure(),
|
---|
1488 | propertyName);
|
---|
1489 | data->cachedMembers.insert(name, fun);
|
---|
1490 | }
|
---|
1491 | JSC::CallData callData;
|
---|
1492 | JSC::CallType callType = fun.getCallData(callData);
|
---|
1493 | JSC::JSValue argv[1] = { value };
|
---|
1494 | JSC::ArgList args(argv, 1);
|
---|
1495 | (void)JSC::call(exec, fun, callType, callData, object, args);
|
---|
1496 | } else {
|
---|
1497 | QVariant v;
|
---|
1498 | if (prop.isEnumType() && value.isString()
|
---|
1499 | && !eng->hasDemarshalFunction(prop.userType())) {
|
---|
1500 | // give QMetaProperty::write() a chance to convert from
|
---|
1501 | // string to enum value
|
---|
1502 | v = (QString)value.toString(exec);
|
---|
1503 | } else {
|
---|
1504 | v = QScriptEnginePrivate::jscValueToVariant(exec, value, prop.userType());
|
---|
1505 | }
|
---|
1506 | (void)prop.write(qobject, v);
|
---|
1507 | }
|
---|
1508 | return;
|
---|
1509 | }
|
---|
1510 | }
|
---|
1511 | }
|
---|
1512 |
|
---|
1513 | const int offset = (opt & QScriptEngine::ExcludeSuperClassMethods)
|
---|
1514 | ? meta->methodOffset() : 0;
|
---|
1515 | for (index = meta->methodCount() - 1; index >= offset; --index) {
|
---|
1516 | QMetaMethod method = meta->method(index);
|
---|
1517 | if (hasMethodAccess(method, index, opt)
|
---|
1518 | && methodNameEquals(method, name.constData(), name.length())) {
|
---|
1519 | data->cachedMembers.insert(name, value);
|
---|
1520 | return;
|
---|
1521 | }
|
---|
1522 | }
|
---|
1523 |
|
---|
1524 | index = qobject->dynamicPropertyNames().indexOf(name);
|
---|
1525 | if ((index != -1) || (opt & QScriptEngine::AutoCreateDynamicProperties)) {
|
---|
1526 | QVariant v = QScriptEnginePrivate::toVariant(exec, value);
|
---|
1527 | (void)qobject->setProperty(name, v);
|
---|
1528 | return;
|
---|
1529 | }
|
---|
1530 |
|
---|
1531 | QScriptObjectDelegate::put(object, exec, propertyName, value, slot);
|
---|
1532 | #endif //QT_NO_PROPERTIES
|
---|
1533 | }
|
---|
1534 |
|
---|
1535 | bool QObjectDelegate::deleteProperty(QScriptObject *object, JSC::ExecState *exec,
|
---|
1536 | const JSC::Identifier& propertyName)
|
---|
1537 | {
|
---|
1538 | #ifndef QT_NO_PROPERTIES
|
---|
1539 | QByteArray name = convertToLatin1(propertyName.ustring());
|
---|
1540 | QObject *qobject = data->value;
|
---|
1541 | if (!qobject) {
|
---|
1542 | QString message = QString::fromLatin1("cannot access member `%0' of deleted QObject")
|
---|
1543 | .arg(QString::fromLatin1(name));
|
---|
1544 | JSC::throwError(exec, JSC::GeneralError, message);
|
---|
1545 | return false;
|
---|
1546 | }
|
---|
1547 |
|
---|
1548 | const QMetaObject *meta = qobject->metaObject();
|
---|
1549 | {
|
---|
1550 | QHash<QByteArray, JSC::JSValue>::iterator it = data->cachedMembers.find(name);
|
---|
1551 | if (it != data->cachedMembers.end()) {
|
---|
1552 | if (GeneratePropertyFunctions && (meta->indexOfProperty(name) != -1))
|
---|
1553 | return false;
|
---|
1554 | data->cachedMembers.erase(it);
|
---|
1555 | return true;
|
---|
1556 | }
|
---|
1557 | }
|
---|
1558 |
|
---|
1559 | const QScriptEngine::QObjectWrapOptions &opt = data->options;
|
---|
1560 | int index = meta->indexOfProperty(name);
|
---|
1561 | if (index != -1) {
|
---|
1562 | QMetaProperty prop = meta->property(index);
|
---|
1563 | if (prop.isScriptable() &&
|
---|
1564 | (!(opt & QScriptEngine::ExcludeSuperClassProperties)
|
---|
1565 | || (index >= meta->propertyOffset()))) {
|
---|
1566 | return false;
|
---|
1567 | }
|
---|
1568 | }
|
---|
1569 |
|
---|
1570 | index = qobject->dynamicPropertyNames().indexOf(name);
|
---|
1571 | if (index != -1) {
|
---|
1572 | (void)qobject->setProperty(name, QVariant());
|
---|
1573 | return true;
|
---|
1574 | }
|
---|
1575 |
|
---|
1576 | return QScriptObjectDelegate::deleteProperty(object, exec, propertyName);
|
---|
1577 | #else //QT_NO_PROPERTIES
|
---|
1578 | return false;
|
---|
1579 | #endif //QT_NO_PROPERTIES
|
---|
1580 | }
|
---|
1581 |
|
---|
1582 | void QObjectDelegate::getOwnPropertyNames(QScriptObject *object, JSC::ExecState *exec,
|
---|
1583 | JSC::PropertyNameArray &propertyNames,
|
---|
1584 | JSC::EnumerationMode mode)
|
---|
1585 | {
|
---|
1586 | #ifndef QT_NO_PROPERTIES
|
---|
1587 | QObject *qobject = data->value;
|
---|
1588 | if (!qobject) {
|
---|
1589 | QString message = QString::fromLatin1("cannot get property names of deleted QObject");
|
---|
1590 | JSC::throwError(exec, JSC::GeneralError, message);
|
---|
1591 | return;
|
---|
1592 | }
|
---|
1593 |
|
---|
1594 | const QScriptEngine::QObjectWrapOptions &opt = data->options;
|
---|
1595 | const QMetaObject *meta = qobject->metaObject();
|
---|
1596 | {
|
---|
1597 | int i = (opt & QScriptEngine::ExcludeSuperClassProperties)
|
---|
1598 | ? meta->propertyOffset() : 0;
|
---|
1599 | for ( ; i < meta->propertyCount(); ++i) {
|
---|
1600 | QMetaProperty prop = meta->property(i);
|
---|
1601 | if (isEnumerableMetaProperty(prop, meta, i)) {
|
---|
1602 | QString name = QString::fromLatin1(prop.name());
|
---|
1603 | propertyNames.add(JSC::Identifier(exec, name));
|
---|
1604 | }
|
---|
1605 | }
|
---|
1606 | }
|
---|
1607 |
|
---|
1608 | {
|
---|
1609 | QList<QByteArray> dpNames = qobject->dynamicPropertyNames();
|
---|
1610 | for (int i = 0; i < dpNames.size(); ++i) {
|
---|
1611 | QString name = QString::fromLatin1(dpNames.at(i));
|
---|
1612 | propertyNames.add(JSC::Identifier(exec, name));
|
---|
1613 | }
|
---|
1614 | }
|
---|
1615 |
|
---|
1616 | if (!(opt & QScriptEngine::SkipMethodsInEnumeration)) {
|
---|
1617 | int i = (opt & QScriptEngine::ExcludeSuperClassMethods)
|
---|
1618 | ? meta->methodOffset() : 0;
|
---|
1619 | for ( ; i < meta->methodCount(); ++i) {
|
---|
1620 | QMetaMethod method = meta->method(i);
|
---|
1621 | if (hasMethodAccess(method, i, opt)) {
|
---|
1622 | QMetaMethod method = meta->method(i);
|
---|
1623 | QString sig = QString::fromLatin1(method.signature());
|
---|
1624 | propertyNames.add(JSC::Identifier(exec, sig));
|
---|
1625 | }
|
---|
1626 | }
|
---|
1627 | }
|
---|
1628 |
|
---|
1629 | QScriptObjectDelegate::getOwnPropertyNames(object, exec, propertyNames, mode);
|
---|
1630 | #endif //QT_NO_PROPERTIES
|
---|
1631 | }
|
---|
1632 |
|
---|
1633 | void QObjectDelegate::markChildren(QScriptObject *object, JSC::MarkStack& markStack)
|
---|
1634 | {
|
---|
1635 | QHash<QByteArray, JSC::JSValue>::const_iterator it;
|
---|
1636 | for (it = data->cachedMembers.constBegin(); it != data->cachedMembers.constEnd(); ++it) {
|
---|
1637 | JSC::JSValue val = it.value();
|
---|
1638 | if (val)
|
---|
1639 | markStack.append(val);
|
---|
1640 | }
|
---|
1641 |
|
---|
1642 | QScriptObjectDelegate::markChildren(object, markStack);
|
---|
1643 | }
|
---|
1644 |
|
---|
1645 | bool QObjectDelegate::compareToObject(QScriptObject *, JSC::ExecState *exec, JSC::JSObject *o2)
|
---|
1646 | {
|
---|
1647 | if (!o2->inherits(&QScriptObject::info))
|
---|
1648 | return false;
|
---|
1649 | QScriptObject *object = static_cast<QScriptObject*>(o2);
|
---|
1650 | QScriptObjectDelegate *delegate = object->delegate();
|
---|
1651 | if (!delegate || (delegate->type() != QScriptObjectDelegate::QtObject))
|
---|
1652 | return false;
|
---|
1653 | return value() == static_cast<QObjectDelegate *>(delegate)->value();
|
---|
1654 | }
|
---|
1655 |
|
---|
1656 | static JSC::JSValue JSC_HOST_CALL qobjectProtoFuncFindChild(JSC::ExecState *exec, JSC::JSObject*,
|
---|
1657 | JSC::JSValue thisValue, const JSC::ArgList &args)
|
---|
1658 | {
|
---|
1659 | QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
|
---|
1660 | thisValue = engine->toUsableValue(thisValue);
|
---|
1661 | if (!thisValue.inherits(&QScriptObject::info))
|
---|
1662 | return throwError(exec, JSC::TypeError, "this object is not a QObject");
|
---|
1663 | QScriptObject *scriptObject = static_cast<QScriptObject*>(JSC::asObject(thisValue));
|
---|
1664 | QScriptObjectDelegate *delegate = scriptObject->delegate();
|
---|
1665 | if (!delegate || (delegate->type() != QScriptObjectDelegate::QtObject))
|
---|
1666 | return throwError(exec, JSC::TypeError, "this object is not a QObject");
|
---|
1667 | QObject *obj = static_cast<QObjectDelegate*>(delegate)->value();
|
---|
1668 | QString name;
|
---|
1669 | if (args.size() != 0)
|
---|
1670 | name = args.at(0).toString(exec);
|
---|
1671 | QObject *child = qFindChild<QObject*>(obj, name);
|
---|
1672 | QScriptEngine::QObjectWrapOptions opt = QScriptEngine::PreferExistingWrapperObject;
|
---|
1673 | return engine->newQObject(child, QScriptEngine::QtOwnership, opt);
|
---|
1674 | }
|
---|
1675 |
|
---|
1676 | static JSC::JSValue JSC_HOST_CALL qobjectProtoFuncFindChildren(JSC::ExecState *exec, JSC::JSObject*,
|
---|
1677 | JSC::JSValue thisValue, const JSC::ArgList &args)
|
---|
1678 | {
|
---|
1679 | QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
|
---|
1680 | thisValue = engine->toUsableValue(thisValue);
|
---|
1681 | // extract the QObject
|
---|
1682 | if (!thisValue.inherits(&QScriptObject::info))
|
---|
1683 | return throwError(exec, JSC::TypeError, "this object is not a QObject");
|
---|
1684 | QScriptObject *scriptObject = static_cast<QScriptObject*>(JSC::asObject(thisValue));
|
---|
1685 | QScriptObjectDelegate *delegate = scriptObject->delegate();
|
---|
1686 | if (!delegate || (delegate->type() != QScriptObjectDelegate::QtObject))
|
---|
1687 | return throwError(exec, JSC::TypeError, "this object is not a QObject");
|
---|
1688 | const QObject *const obj = static_cast<QObjectDelegate*>(delegate)->value();
|
---|
1689 |
|
---|
1690 | // find the children
|
---|
1691 | QList<QObject *> children;
|
---|
1692 | if (args.size() != 0) {
|
---|
1693 | const JSC::JSValue arg = args.at(0);
|
---|
1694 | if (arg.inherits(&JSC::RegExpObject::info)) {
|
---|
1695 | const QObjectList allChildren= obj->children();
|
---|
1696 |
|
---|
1697 | JSC::RegExpObject *const regexp = JSC::asRegExpObject(arg);
|
---|
1698 |
|
---|
1699 | const int allChildrenCount = allChildren.size();
|
---|
1700 | for (int i = 0; i < allChildrenCount; ++i) {
|
---|
1701 | QObject *const child = allChildren.at(i);
|
---|
1702 | const JSC::UString childName = child->objectName();
|
---|
1703 | JSC::RegExpConstructor* regExpConstructor = engine->originalGlobalObject()->regExpConstructor();
|
---|
1704 | int position;
|
---|
1705 | int length;
|
---|
1706 | regExpConstructor->performMatch(regexp->regExp(), childName, 0, position, length);
|
---|
1707 | if (position >= 0)
|
---|
1708 | children.append(child);
|
---|
1709 | }
|
---|
1710 | } else {
|
---|
1711 | const QString name(args.at(0).toString(exec));
|
---|
1712 | children = qFindChildren<QObject*>(obj, name);
|
---|
1713 | }
|
---|
1714 | } else {
|
---|
1715 | children = qFindChildren<QObject*>(obj, QString());
|
---|
1716 | }
|
---|
1717 | // create the result array with the children
|
---|
1718 | const int length = children.size();
|
---|
1719 | JSC::JSArray *const result = JSC::constructEmptyArray(exec, length);
|
---|
1720 |
|
---|
1721 | QScriptEngine::QObjectWrapOptions opt = QScriptEngine::PreferExistingWrapperObject;
|
---|
1722 | for (int i = 0; i < length; ++i) {
|
---|
1723 | QObject *const child = children.at(i);
|
---|
1724 | result->put(exec, i, engine->newQObject(child, QScriptEngine::QtOwnership, opt));
|
---|
1725 | }
|
---|
1726 | return JSC::JSValue(result);
|
---|
1727 | }
|
---|
1728 |
|
---|
1729 | static JSC::JSValue JSC_HOST_CALL qobjectProtoFuncToString(JSC::ExecState *exec, JSC::JSObject*,
|
---|
1730 | JSC::JSValue thisValue, const JSC::ArgList&)
|
---|
1731 | {
|
---|
1732 | QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
|
---|
1733 | thisValue = engine->toUsableValue(thisValue);
|
---|
1734 | if (!thisValue.inherits(&QScriptObject::info))
|
---|
1735 | return JSC::jsUndefined();
|
---|
1736 | QScriptObject *scriptObject = static_cast<QScriptObject*>(JSC::asObject(thisValue));
|
---|
1737 | QScriptObjectDelegate *delegate = scriptObject->delegate();
|
---|
1738 | if (!delegate || (delegate->type() != QScriptObjectDelegate::QtObject))
|
---|
1739 | return JSC::jsUndefined();
|
---|
1740 | QObject *obj = static_cast<QObjectDelegate*>(delegate)->value();
|
---|
1741 | const QMetaObject *meta = obj ? obj->metaObject() : &QObject::staticMetaObject;
|
---|
1742 | QString name = obj ? obj->objectName() : QString::fromUtf8("unnamed");
|
---|
1743 | QString str = QString::fromUtf8("%0(name = \"%1\")")
|
---|
1744 | .arg(QLatin1String(meta->className())).arg(name);
|
---|
1745 | return JSC::jsString(exec, str);
|
---|
1746 | }
|
---|
1747 |
|
---|
1748 | QObjectPrototype::QObjectPrototype(JSC::ExecState* exec, WTF::PassRefPtr<JSC::Structure> structure,
|
---|
1749 | JSC::Structure* prototypeFunctionStructure)
|
---|
1750 | : QScriptObject(structure)
|
---|
1751 | {
|
---|
1752 | setDelegate(new QObjectDelegate(new QObjectPrototypeObject(), QScriptEngine::AutoOwnership,
|
---|
1753 | QScriptEngine::ExcludeSuperClassMethods
|
---|
1754 | | QScriptEngine::ExcludeSuperClassProperties
|
---|
1755 | | QScriptEngine::ExcludeChildObjects));
|
---|
1756 |
|
---|
1757 | putDirectFunction(exec, new (exec) JSC::NativeFunctionWrapper(exec, prototypeFunctionStructure, /*length=*/0, exec->propertyNames().toString, qobjectProtoFuncToString), JSC::DontEnum);
|
---|
1758 | putDirectFunction(exec, new (exec) JSC::NativeFunctionWrapper(exec, prototypeFunctionStructure, /*length=*/1, JSC::Identifier(exec, "findChild"), qobjectProtoFuncFindChild), JSC::DontEnum);
|
---|
1759 | putDirectFunction(exec, new (exec) JSC::NativeFunctionWrapper(exec, prototypeFunctionStructure, /*length=*/1, JSC::Identifier(exec, "findChildren"), qobjectProtoFuncFindChildren), JSC::DontEnum);
|
---|
1760 | this->structure()->setHasGetterSetterProperties(true);
|
---|
1761 | }
|
---|
1762 |
|
---|
1763 | const JSC::ClassInfo QMetaObjectWrapperObject::info = { "QMetaObject", 0, 0, 0 };
|
---|
1764 |
|
---|
1765 | QMetaObjectWrapperObject::QMetaObjectWrapperObject(
|
---|
1766 | JSC::ExecState *exec, const QMetaObject *metaObject, JSC::JSValue ctor,
|
---|
1767 | WTF::PassRefPtr<JSC::Structure> sid)
|
---|
1768 | : JSC::JSObject(sid),
|
---|
1769 | data(new Data(metaObject, ctor))
|
---|
1770 | {
|
---|
1771 | if (!ctor)
|
---|
1772 | data->prototype = new (exec)JSC::JSObject(exec->lexicalGlobalObject()->emptyObjectStructure());
|
---|
1773 | }
|
---|
1774 |
|
---|
1775 | QMetaObjectWrapperObject::~QMetaObjectWrapperObject()
|
---|
1776 | {
|
---|
1777 | delete data;
|
---|
1778 | }
|
---|
1779 |
|
---|
1780 | bool QMetaObjectWrapperObject::getOwnPropertySlot(
|
---|
1781 | JSC::ExecState *exec, const JSC::Identifier& propertyName,
|
---|
1782 | JSC::PropertySlot &slot)
|
---|
1783 | {
|
---|
1784 | const QMetaObject *meta = data->value;
|
---|
1785 | if (!meta)
|
---|
1786 | return false;
|
---|
1787 |
|
---|
1788 | if (propertyName == exec->propertyNames().prototype) {
|
---|
1789 | if (data->ctor)
|
---|
1790 | slot.setValue(data->ctor.get(exec, propertyName));
|
---|
1791 | else
|
---|
1792 | slot.setValue(data->prototype);
|
---|
1793 | return true;
|
---|
1794 | }
|
---|
1795 |
|
---|
1796 | QByteArray name = convertToLatin1(propertyName.ustring());
|
---|
1797 |
|
---|
1798 | for (int i = 0; i < meta->enumeratorCount(); ++i) {
|
---|
1799 | QMetaEnum e = meta->enumerator(i);
|
---|
1800 | for (int j = 0; j < e.keyCount(); ++j) {
|
---|
1801 | const char *key = e.key(j);
|
---|
1802 | if (!qstrcmp(key, name.constData())) {
|
---|
1803 | slot.setValue(JSC::JSValue(exec, e.value(j)));
|
---|
1804 | return true;
|
---|
1805 | }
|
---|
1806 | }
|
---|
1807 | }
|
---|
1808 |
|
---|
1809 | return JSC::JSObject::getOwnPropertySlot(exec, propertyName, slot);
|
---|
1810 | }
|
---|
1811 |
|
---|
1812 | bool QMetaObjectWrapperObject::getOwnPropertyDescriptor(
|
---|
1813 | JSC::ExecState* exec, const JSC::Identifier& propertyName,
|
---|
1814 | JSC::PropertyDescriptor& descriptor)
|
---|
1815 | {
|
---|
1816 | const QMetaObject *meta = data->value;
|
---|
1817 | if (!meta)
|
---|
1818 | return false;
|
---|
1819 |
|
---|
1820 | if (propertyName == exec->propertyNames().prototype) {
|
---|
1821 | descriptor.setDescriptor(data->ctor
|
---|
1822 | ? data->ctor.get(exec, propertyName)
|
---|
1823 | : data->prototype,
|
---|
1824 | JSC::DontDelete | JSC::DontEnum);
|
---|
1825 | return true;
|
---|
1826 | }
|
---|
1827 |
|
---|
1828 | QByteArray name = QString(propertyName.ustring()).toLatin1();
|
---|
1829 |
|
---|
1830 | for (int i = 0; i < meta->enumeratorCount(); ++i) {
|
---|
1831 | QMetaEnum e = meta->enumerator(i);
|
---|
1832 | for (int j = 0; j < e.keyCount(); ++j) {
|
---|
1833 | const char *key = e.key(j);
|
---|
1834 | if (!qstrcmp(key, name.constData())) {
|
---|
1835 | descriptor.setDescriptor(JSC::JSValue(exec, e.value(j)),
|
---|
1836 | JSC::ReadOnly | JSC::DontDelete);
|
---|
1837 | return true;
|
---|
1838 | }
|
---|
1839 | }
|
---|
1840 | }
|
---|
1841 |
|
---|
1842 | return JSC::JSObject::getOwnPropertyDescriptor(exec, propertyName, descriptor);
|
---|
1843 | }
|
---|
1844 |
|
---|
1845 | void QMetaObjectWrapperObject::put(JSC::ExecState* exec, const JSC::Identifier& propertyName,
|
---|
1846 | JSC::JSValue value, JSC::PutPropertySlot &slot)
|
---|
1847 | {
|
---|
1848 | if (propertyName == exec->propertyNames().prototype) {
|
---|
1849 | if (data->ctor)
|
---|
1850 | data->ctor.put(exec, propertyName, value, slot);
|
---|
1851 | else
|
---|
1852 | data->prototype = value;
|
---|
1853 | return;
|
---|
1854 | }
|
---|
1855 | const QMetaObject *meta = data->value;
|
---|
1856 | if (meta) {
|
---|
1857 | QByteArray name = convertToLatin1(propertyName.ustring());
|
---|
1858 | for (int i = 0; i < meta->enumeratorCount(); ++i) {
|
---|
1859 | QMetaEnum e = meta->enumerator(i);
|
---|
1860 | for (int j = 0; j < e.keyCount(); ++j) {
|
---|
1861 | if (!qstrcmp(e.key(j), name.constData()))
|
---|
1862 | return;
|
---|
1863 | }
|
---|
1864 | }
|
---|
1865 | }
|
---|
1866 | JSC::JSObject::put(exec, propertyName, value, slot);
|
---|
1867 | }
|
---|
1868 |
|
---|
1869 | bool QMetaObjectWrapperObject::deleteProperty(
|
---|
1870 | JSC::ExecState *exec, const JSC::Identifier& propertyName)
|
---|
1871 | {
|
---|
1872 | if (propertyName == exec->propertyNames().prototype)
|
---|
1873 | return false;
|
---|
1874 | const QMetaObject *meta = data->value;
|
---|
1875 | if (meta) {
|
---|
1876 | QByteArray name = convertToLatin1(propertyName.ustring());
|
---|
1877 | for (int i = 0; i < meta->enumeratorCount(); ++i) {
|
---|
1878 | QMetaEnum e = meta->enumerator(i);
|
---|
1879 | for (int j = 0; j < e.keyCount(); ++j) {
|
---|
1880 | if (!qstrcmp(e.key(j), name.constData()))
|
---|
1881 | return false;
|
---|
1882 | }
|
---|
1883 | }
|
---|
1884 | }
|
---|
1885 | return JSC::JSObject::deleteProperty(exec, propertyName);
|
---|
1886 | }
|
---|
1887 |
|
---|
1888 | void QMetaObjectWrapperObject::getOwnPropertyNames(JSC::ExecState *exec,
|
---|
1889 | JSC::PropertyNameArray &propertyNames,
|
---|
1890 | JSC::EnumerationMode mode)
|
---|
1891 | {
|
---|
1892 | const QMetaObject *meta = data->value;
|
---|
1893 | if (!meta)
|
---|
1894 | return;
|
---|
1895 | for (int i = 0; i < meta->enumeratorCount(); ++i) {
|
---|
1896 | QMetaEnum e = meta->enumerator(i);
|
---|
1897 | for (int j = 0; j < e.keyCount(); ++j)
|
---|
1898 | propertyNames.add(JSC::Identifier(exec, e.key(j)));
|
---|
1899 | }
|
---|
1900 | JSC::JSObject::getOwnPropertyNames(exec, propertyNames, mode);
|
---|
1901 | }
|
---|
1902 |
|
---|
1903 | void QMetaObjectWrapperObject::markChildren(JSC::MarkStack& markStack)
|
---|
1904 | {
|
---|
1905 | if (data->ctor)
|
---|
1906 | markStack.append(data->ctor);
|
---|
1907 | if (data->prototype)
|
---|
1908 | markStack.append(data->prototype);
|
---|
1909 | JSC::JSObject::markChildren(markStack);
|
---|
1910 | }
|
---|
1911 |
|
---|
1912 | JSC::CallType QMetaObjectWrapperObject::getCallData(JSC::CallData& callData)
|
---|
1913 | {
|
---|
1914 | callData.native.function = call;
|
---|
1915 | return JSC::CallTypeHost;
|
---|
1916 | }
|
---|
1917 |
|
---|
1918 | JSC::ConstructType QMetaObjectWrapperObject::getConstructData(JSC::ConstructData& constructData)
|
---|
1919 | {
|
---|
1920 | constructData.native.function = construct;
|
---|
1921 | return JSC::ConstructTypeHost;
|
---|
1922 | }
|
---|
1923 |
|
---|
1924 | JSC::JSValue JSC_HOST_CALL QMetaObjectWrapperObject::call(
|
---|
1925 | JSC::ExecState *exec, JSC::JSObject *callee,
|
---|
1926 | JSC::JSValue thisValue, const JSC::ArgList &args)
|
---|
1927 | {
|
---|
1928 | QScriptEnginePrivate *eng_p = scriptEngineFromExec(exec);
|
---|
1929 | thisValue = eng_p->toUsableValue(thisValue);
|
---|
1930 | if (!callee->inherits(&QMetaObjectWrapperObject::info))
|
---|
1931 | return throwError(exec, JSC::TypeError, "callee is not a QMetaObject");
|
---|
1932 | QMetaObjectWrapperObject *self = static_cast<QMetaObjectWrapperObject*>(callee);
|
---|
1933 | JSC::ExecState *previousFrame = eng_p->currentFrame;
|
---|
1934 | eng_p->pushContext(exec, thisValue, args, callee);
|
---|
1935 | JSC::JSValue result = self->execute(eng_p->currentFrame, args);
|
---|
1936 | eng_p->popContext();
|
---|
1937 | eng_p->currentFrame = previousFrame;
|
---|
1938 | return result;
|
---|
1939 | }
|
---|
1940 |
|
---|
1941 | JSC::JSObject* QMetaObjectWrapperObject::construct(JSC::ExecState *exec, JSC::JSObject *callee, const JSC::ArgList &args)
|
---|
1942 | {
|
---|
1943 | QMetaObjectWrapperObject *self = static_cast<QMetaObjectWrapperObject*>(callee);
|
---|
1944 | QScriptEnginePrivate *eng_p = scriptEngineFromExec(exec);
|
---|
1945 | JSC::ExecState *previousFrame = eng_p->currentFrame;
|
---|
1946 | eng_p->pushContext(exec, JSC::JSValue(), args, callee, true);
|
---|
1947 | JSC::JSValue result = self->execute(eng_p->currentFrame, args);
|
---|
1948 | eng_p->popContext();
|
---|
1949 | eng_p->currentFrame = previousFrame;
|
---|
1950 | if (!result || !result.isObject())
|
---|
1951 | return 0;
|
---|
1952 | return JSC::asObject(result);
|
---|
1953 | }
|
---|
1954 |
|
---|
1955 | JSC::JSValue QMetaObjectWrapperObject::execute(JSC::ExecState *exec,
|
---|
1956 | const JSC::ArgList &args)
|
---|
1957 | {
|
---|
1958 | if (data->ctor) {
|
---|
1959 | QScriptEnginePrivate *eng_p = QScript::scriptEngineFromExec(exec);
|
---|
1960 | QScriptContext *ctx = eng_p->contextForFrame(exec);
|
---|
1961 | JSC::CallData callData;
|
---|
1962 | JSC::CallType callType = data->ctor.getCallData(callData);
|
---|
1963 | Q_UNUSED(callType);
|
---|
1964 | Q_ASSERT_X(callType == JSC::CallTypeHost, Q_FUNC_INFO, "script constructors not supported");
|
---|
1965 | if (data->ctor.inherits(&FunctionWithArgWrapper::info)) {
|
---|
1966 | FunctionWithArgWrapper *wrapper = static_cast<FunctionWithArgWrapper*>(JSC::asObject(data->ctor));
|
---|
1967 | QScriptValue result = wrapper->function()(ctx, QScriptEnginePrivate::get(eng_p), wrapper->arg());
|
---|
1968 | return eng_p->scriptValueToJSCValue(result);
|
---|
1969 | } else {
|
---|
1970 | Q_ASSERT(data->ctor.inherits(&FunctionWrapper::info));
|
---|
1971 | FunctionWrapper *wrapper = static_cast<FunctionWrapper*>(JSC::asObject(data->ctor));
|
---|
1972 | QScriptValue result = wrapper->function()(ctx, QScriptEnginePrivate::get(eng_p));
|
---|
1973 | return eng_p->scriptValueToJSCValue(result);
|
---|
1974 | }
|
---|
1975 | } else {
|
---|
1976 | const QMetaObject *meta = data->value;
|
---|
1977 | if (meta->constructorCount() > 0) {
|
---|
1978 | JSC::JSValue result = callQtMethod(exec, QMetaMethod::Constructor, /*thisQObject=*/0,
|
---|
1979 | args, meta, meta->constructorCount()-1, /*maybeOverloaded=*/true);
|
---|
1980 | if (!exec->hadException()) {
|
---|
1981 | Q_ASSERT(result && result.inherits(&QScriptObject::info));
|
---|
1982 | QScriptObject *object = static_cast<QScriptObject*>(JSC::asObject(result));
|
---|
1983 | QScript::QObjectDelegate *delegate = static_cast<QScript::QObjectDelegate*>(object->delegate());
|
---|
1984 | delegate->setOwnership(QScriptEngine::AutoOwnership);
|
---|
1985 | if (data->prototype)
|
---|
1986 | object->setPrototype(data->prototype);
|
---|
1987 | }
|
---|
1988 | return result;
|
---|
1989 | } else {
|
---|
1990 | QString message = QString::fromLatin1("no constructor for %0")
|
---|
1991 | .arg(QLatin1String(meta->className()));
|
---|
1992 | return JSC::throwError(exec, JSC::TypeError, message);
|
---|
1993 | }
|
---|
1994 | }
|
---|
1995 | }
|
---|
1996 |
|
---|
1997 | struct StaticQtMetaObject : public QObject
|
---|
1998 | {
|
---|
1999 | static const QMetaObject *get()
|
---|
2000 | { return &static_cast<StaticQtMetaObject*> (0)->staticQtMetaObject; }
|
---|
2001 | };
|
---|
2002 |
|
---|
2003 | static JSC::JSValue JSC_HOST_CALL qmetaobjectProtoFuncClassName(
|
---|
2004 | JSC::ExecState *exec, JSC::JSObject*, JSC::JSValue thisValue, const JSC::ArgList&)
|
---|
2005 | {
|
---|
2006 | QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
|
---|
2007 | thisValue = engine->toUsableValue(thisValue);
|
---|
2008 | if (!thisValue.inherits(&QMetaObjectWrapperObject::info))
|
---|
2009 | return throwError(exec, JSC::TypeError, "this object is not a QMetaObject");
|
---|
2010 | const QMetaObject *meta = static_cast<QMetaObjectWrapperObject*>(JSC::asObject(thisValue))->value();
|
---|
2011 | return JSC::jsString(exec, meta->className());
|
---|
2012 | }
|
---|
2013 |
|
---|
2014 | QMetaObjectPrototype::QMetaObjectPrototype(
|
---|
2015 | JSC::ExecState *exec, WTF::PassRefPtr<JSC::Structure> structure,
|
---|
2016 | JSC::Structure* prototypeFunctionStructure)
|
---|
2017 | : QMetaObjectWrapperObject(exec, StaticQtMetaObject::get(), /*ctor=*/JSC::JSValue(), structure)
|
---|
2018 | {
|
---|
2019 | putDirectFunction(exec, new (exec) JSC::NativeFunctionWrapper(exec, prototypeFunctionStructure, /*length=*/0, JSC::Identifier(exec, "className"), qmetaobjectProtoFuncClassName), JSC::DontEnum);
|
---|
2020 | }
|
---|
2021 |
|
---|
2022 | static const uint qt_meta_data_QObjectConnectionManager[] = {
|
---|
2023 |
|
---|
2024 | // content:
|
---|
2025 | 1, // revision
|
---|
2026 | 0, // classname
|
---|
2027 | 0, 0, // classinfo
|
---|
2028 | 1, 10, // methods
|
---|
2029 | 0, 0, // properties
|
---|
2030 | 0, 0, // enums/sets
|
---|
2031 |
|
---|
2032 | // slots: signature, parameters, type, tag, flags
|
---|
2033 | 35, 34, 34, 34, 0x0a,
|
---|
2034 |
|
---|
2035 | 0 // eod
|
---|
2036 | };
|
---|
2037 |
|
---|
2038 | static const char qt_meta_stringdata_QObjectConnectionManager[] = {
|
---|
2039 | "QScript::QObjectConnectionManager\0\0execute()\0"
|
---|
2040 | };
|
---|
2041 |
|
---|
2042 | const QMetaObject QObjectConnectionManager::staticMetaObject = {
|
---|
2043 | { &QObject::staticMetaObject, qt_meta_stringdata_QObjectConnectionManager,
|
---|
2044 | qt_meta_data_QObjectConnectionManager, 0 }
|
---|
2045 | };
|
---|
2046 |
|
---|
2047 | const QMetaObject *QObjectConnectionManager::metaObject() const
|
---|
2048 | {
|
---|
2049 | return &staticMetaObject;
|
---|
2050 | }
|
---|
2051 |
|
---|
2052 | void *QObjectConnectionManager::qt_metacast(const char *_clname)
|
---|
2053 | {
|
---|
2054 | if (!_clname) return 0;
|
---|
2055 | if (!strcmp(_clname, qt_meta_stringdata_QObjectConnectionManager))
|
---|
2056 | return static_cast<void*>(const_cast<QObjectConnectionManager*>(this));
|
---|
2057 | return QObject::qt_metacast(_clname);
|
---|
2058 | }
|
---|
2059 |
|
---|
2060 | int QObjectConnectionManager::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
|
---|
2061 | {
|
---|
2062 | _id = QObject::qt_metacall(_c, _id, _a);
|
---|
2063 | if (_id < 0)
|
---|
2064 | return _id;
|
---|
2065 | if (_c == QMetaObject::InvokeMetaMethod) {
|
---|
2066 | execute(_id, _a);
|
---|
2067 | _id -= slotCounter;
|
---|
2068 | }
|
---|
2069 | return _id;
|
---|
2070 | }
|
---|
2071 |
|
---|
2072 | void QObjectConnectionManager::execute(int slotIndex, void **argv)
|
---|
2073 | {
|
---|
2074 | JSC::JSValue receiver;
|
---|
2075 | JSC::JSValue slot;
|
---|
2076 | JSC::JSValue senderWrapper;
|
---|
2077 | int signalIndex = -1;
|
---|
2078 | QScript::APIShim shim(engine);
|
---|
2079 | for (int i = 0; i < connections.size(); ++i) {
|
---|
2080 | const QVector<QObjectConnection> &cs = connections.at(i);
|
---|
2081 | for (int j = 0; j < cs.size(); ++j) {
|
---|
2082 | const QObjectConnection &c = cs.at(j);
|
---|
2083 | if (c.slotIndex == slotIndex) {
|
---|
2084 | receiver = c.receiver;
|
---|
2085 | slot = c.slot;
|
---|
2086 | senderWrapper = c.senderWrapper;
|
---|
2087 | signalIndex = i;
|
---|
2088 | break;
|
---|
2089 | }
|
---|
2090 | }
|
---|
2091 | }
|
---|
2092 | Q_ASSERT(slot && slot.isObject());
|
---|
2093 |
|
---|
2094 | if (engine->isCollecting()) {
|
---|
2095 | qWarning("QtScript: can't execute signal handler during GC");
|
---|
2096 | // we can't do a script function call during GC,
|
---|
2097 | // so we're forced to ignore this signal
|
---|
2098 | return;
|
---|
2099 | }
|
---|
2100 |
|
---|
2101 | #if 0
|
---|
2102 | QScriptFunction *fun = engine->convertToNativeFunction(slot);
|
---|
2103 | if (fun == 0) {
|
---|
2104 | // the signal handler has been GC'ed. This can only happen when
|
---|
2105 | // a QObject is owned by the engine, the engine is destroyed, and
|
---|
2106 | // there is a script function connected to the destroyed() signal
|
---|
2107 | Q_ASSERT(signalIndex <= 1); // destroyed(QObject*)
|
---|
2108 | return;
|
---|
2109 | }
|
---|
2110 | #endif
|
---|
2111 |
|
---|
2112 | const QMetaObject *meta = sender()->metaObject();
|
---|
2113 | const QMetaMethod method = meta->method(signalIndex);
|
---|
2114 |
|
---|
2115 | QList<QByteArray> parameterTypes = method.parameterTypes();
|
---|
2116 | int argc = parameterTypes.count();
|
---|
2117 |
|
---|
2118 | JSC::ExecState *exec = engine->currentFrame;
|
---|
2119 | QVarLengthArray<JSC::JSValue, 8> argsVector(argc);
|
---|
2120 | for (int i = 0; i < argc; ++i) {
|
---|
2121 | JSC::JSValue actual;
|
---|
2122 | void *arg = argv[i + 1];
|
---|
2123 | QByteArray typeName = parameterTypes.at(i);
|
---|
2124 | int argType = QMetaType::type(parameterTypes.at(i));
|
---|
2125 | if (!argType) {
|
---|
2126 | qWarning("QScriptEngine: Unable to handle unregistered datatype '%s' "
|
---|
2127 | "when invoking handler of signal %s::%s",
|
---|
2128 | typeName.constData(), meta->className(), method.signature());
|
---|
2129 | actual = JSC::jsUndefined();
|
---|
2130 | } else if (argType == QMetaType::QVariant) {
|
---|
2131 | actual = QScriptEnginePrivate::jscValueFromVariant(exec, *reinterpret_cast<QVariant*>(arg));
|
---|
2132 | } else {
|
---|
2133 | actual = QScriptEnginePrivate::create(exec, argType, arg);
|
---|
2134 | }
|
---|
2135 | argsVector[i] = actual;
|
---|
2136 | }
|
---|
2137 | JSC::ArgList jscArgs(argsVector.data(), argsVector.size());
|
---|
2138 |
|
---|
2139 | JSC::JSValue senderObject;
|
---|
2140 | if (senderWrapper && senderWrapper.inherits(&QScriptObject::info)) // ### check if it's actually a QObject wrapper
|
---|
2141 | senderObject = senderWrapper;
|
---|
2142 | else {
|
---|
2143 | QScriptEngine::QObjectWrapOptions opt = QScriptEngine::PreferExistingWrapperObject;
|
---|
2144 | senderObject = engine->newQObject(sender(), QScriptEngine::QtOwnership, opt);
|
---|
2145 | }
|
---|
2146 |
|
---|
2147 | JSC::JSValue thisObject;
|
---|
2148 | if (receiver && receiver.isObject())
|
---|
2149 | thisObject = receiver;
|
---|
2150 | else
|
---|
2151 | thisObject = engine->globalObject();
|
---|
2152 |
|
---|
2153 | JSC::CallData callData;
|
---|
2154 | JSC::CallType callType = slot.getCallData(callData);
|
---|
2155 | if (exec->hadException())
|
---|
2156 | exec->clearException(); // ### otherwise JSC asserts
|
---|
2157 | JSC::call(exec, slot, callType, callData, thisObject, jscArgs);
|
---|
2158 |
|
---|
2159 | if (exec->hadException()) {
|
---|
2160 | if (slot.inherits(&QtFunction::info) && !static_cast<QtFunction*>(JSC::asObject(slot))->qobject()) {
|
---|
2161 | // The function threw an error because the target QObject has been deleted.
|
---|
2162 | // The connections list is stale; remove the signal handler and ignore the exception.
|
---|
2163 | removeSignalHandler(sender(), signalIndex, receiver, slot);
|
---|
2164 | exec->clearException();
|
---|
2165 | } else {
|
---|
2166 | engine->emitSignalHandlerException();
|
---|
2167 | }
|
---|
2168 | }
|
---|
2169 | }
|
---|
2170 |
|
---|
2171 | QObjectConnectionManager::QObjectConnectionManager(QScriptEnginePrivate *eng)
|
---|
2172 | : engine(eng), slotCounter(0)
|
---|
2173 | {
|
---|
2174 | }
|
---|
2175 |
|
---|
2176 | QObjectConnectionManager::~QObjectConnectionManager()
|
---|
2177 | {
|
---|
2178 | }
|
---|
2179 |
|
---|
2180 | void QObjectConnectionManager::mark(JSC::MarkStack& markStack)
|
---|
2181 | {
|
---|
2182 | for (int i = 0; i < connections.size(); ++i) {
|
---|
2183 | QVector<QObjectConnection> &cs = connections[i];
|
---|
2184 | for (int j = 0; j < cs.size(); ++j)
|
---|
2185 | cs[j].mark(markStack);
|
---|
2186 | }
|
---|
2187 | }
|
---|
2188 |
|
---|
2189 | bool QObjectConnectionManager::addSignalHandler(
|
---|
2190 | QObject *sender, int signalIndex, JSC::JSValue receiver,
|
---|
2191 | JSC::JSValue function, JSC::JSValue senderWrapper,
|
---|
2192 | Qt::ConnectionType type)
|
---|
2193 | {
|
---|
2194 | if (connections.size() <= signalIndex)
|
---|
2195 | connections.resize(signalIndex+1);
|
---|
2196 | QVector<QObjectConnection> &cs = connections[signalIndex];
|
---|
2197 | int absSlotIndex = slotCounter + metaObject()->methodOffset();
|
---|
2198 | bool ok = QMetaObject::connect(sender, signalIndex, this, absSlotIndex, type);
|
---|
2199 | if (ok) {
|
---|
2200 | cs.append(QObjectConnection(slotCounter++, receiver, function, senderWrapper));
|
---|
2201 | QMetaMethod signal = sender->metaObject()->method(signalIndex);
|
---|
2202 | QByteArray signalString;
|
---|
2203 | signalString.append('2'); // signal code
|
---|
2204 | signalString.append(signal.signature());
|
---|
2205 | static_cast<QObjectNotifyCaller*>(sender)->callConnectNotify(signalString);
|
---|
2206 | }
|
---|
2207 | return ok;
|
---|
2208 | }
|
---|
2209 |
|
---|
2210 | bool QObjectConnectionManager::removeSignalHandler(
|
---|
2211 | QObject *sender, int signalIndex,
|
---|
2212 | JSC::JSValue receiver, JSC::JSValue slot)
|
---|
2213 | {
|
---|
2214 | if (connections.size() <= signalIndex)
|
---|
2215 | return false;
|
---|
2216 | QVector<QObjectConnection> &cs = connections[signalIndex];
|
---|
2217 | for (int i = 0; i < cs.size(); ++i) {
|
---|
2218 | const QObjectConnection &c = cs.at(i);
|
---|
2219 | if (c.hasTarget(receiver, slot)) {
|
---|
2220 | int absSlotIndex = c.slotIndex + metaObject()->methodOffset();
|
---|
2221 | bool ok = QMetaObject::disconnect(sender, signalIndex, this, absSlotIndex);
|
---|
2222 | if (ok) {
|
---|
2223 | cs.remove(i);
|
---|
2224 | QMetaMethod signal = sender->metaObject()->method(signalIndex);
|
---|
2225 | QByteArray signalString;
|
---|
2226 | signalString.append('2'); // signal code
|
---|
2227 | signalString.append(signal.signature());
|
---|
2228 | static_cast<QScript::QObjectNotifyCaller*>(sender)->callDisconnectNotify(signalString);
|
---|
2229 | }
|
---|
2230 | return ok;
|
---|
2231 | }
|
---|
2232 | }
|
---|
2233 | return false;
|
---|
2234 | }
|
---|
2235 |
|
---|
2236 | QObjectData::QObjectData(QScriptEnginePrivate *eng)
|
---|
2237 | : engine(eng), connectionManager(0)
|
---|
2238 | {
|
---|
2239 | }
|
---|
2240 |
|
---|
2241 | QObjectData::~QObjectData()
|
---|
2242 | {
|
---|
2243 | if (connectionManager) {
|
---|
2244 | delete connectionManager;
|
---|
2245 | connectionManager = 0;
|
---|
2246 | }
|
---|
2247 | }
|
---|
2248 |
|
---|
2249 | void QObjectData::mark(JSC::MarkStack& markStack)
|
---|
2250 | {
|
---|
2251 | if (connectionManager)
|
---|
2252 | connectionManager->mark(markStack);
|
---|
2253 | {
|
---|
2254 | QList<QScript::QObjectWrapperInfo>::iterator it;
|
---|
2255 | for (it = wrappers.begin(); it != wrappers.end(); ) {
|
---|
2256 | const QScript::QObjectWrapperInfo &info = *it;
|
---|
2257 | // ### don't mark if there are no other references.
|
---|
2258 | // we need something like isMarked()
|
---|
2259 | markStack.append(info.object);
|
---|
2260 | ++it;
|
---|
2261 | }
|
---|
2262 | }
|
---|
2263 | }
|
---|
2264 |
|
---|
2265 | bool QObjectData::addSignalHandler(QObject *sender,
|
---|
2266 | int signalIndex,
|
---|
2267 | JSC::JSValue receiver,
|
---|
2268 | JSC::JSValue slot,
|
---|
2269 | JSC::JSValue senderWrapper,
|
---|
2270 | Qt::ConnectionType type)
|
---|
2271 | {
|
---|
2272 | if (!connectionManager)
|
---|
2273 | connectionManager = new QObjectConnectionManager(engine);
|
---|
2274 | return connectionManager->addSignalHandler(
|
---|
2275 | sender, signalIndex, receiver, slot, senderWrapper, type);
|
---|
2276 | }
|
---|
2277 |
|
---|
2278 | bool QObjectData::removeSignalHandler(QObject *sender,
|
---|
2279 | int signalIndex,
|
---|
2280 | JSC::JSValue receiver,
|
---|
2281 | JSC::JSValue slot)
|
---|
2282 | {
|
---|
2283 | if (!connectionManager)
|
---|
2284 | return false;
|
---|
2285 | return connectionManager->removeSignalHandler(
|
---|
2286 | sender, signalIndex, receiver, slot);
|
---|
2287 | }
|
---|
2288 |
|
---|
2289 | QScriptObject *QObjectData::findWrapper(QScriptEngine::ValueOwnership ownership,
|
---|
2290 | const QScriptEngine::QObjectWrapOptions &options) const
|
---|
2291 | {
|
---|
2292 | for (int i = 0; i < wrappers.size(); ++i) {
|
---|
2293 | const QObjectWrapperInfo &info = wrappers.at(i);
|
---|
2294 | if ((info.ownership == ownership) && (info.options == options))
|
---|
2295 | return info.object;
|
---|
2296 | }
|
---|
2297 | return 0;
|
---|
2298 | }
|
---|
2299 |
|
---|
2300 | void QObjectData::registerWrapper(QScriptObject *wrapper,
|
---|
2301 | QScriptEngine::ValueOwnership ownership,
|
---|
2302 | const QScriptEngine::QObjectWrapOptions &options)
|
---|
2303 | {
|
---|
2304 | wrappers.append(QObjectWrapperInfo(wrapper, ownership, options));
|
---|
2305 | }
|
---|
2306 |
|
---|
2307 | } // namespace QScript
|
---|
2308 |
|
---|
2309 | QT_END_NAMESPACE
|
---|
2310 |
|
---|
2311 | namespace JSC
|
---|
2312 | {
|
---|
2313 | ASSERT_CLASS_FITS_IN_CELL(QScript::QtFunction);
|
---|
2314 | }
|
---|
2315 |
|
---|
2316 | #include "moc_qscriptqobject_p.cpp"
|
---|
2317 |
|
---|