| 1 | /**************************************************************************** |
| 2 | ** |
| 3 | ** Copyright (C) 2015 The Qt Company Ltd. |
| 4 | ** Contact: http://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtScript module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ |
| 9 | ** Commercial License Usage |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | ** accordance with the commercial license agreement provided with the |
| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU Lesser General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
| 19 | ** General Public License version 3 as published by the Free Software |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| 21 | ** packaging of this file. Please review the following information to |
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
| 29 | ** Qt Foundation. The licenses are as published by the Free Software |
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| 31 | ** included in the packaging of this file. Please review the following |
| 32 | ** information to ensure the GNU General Public License requirements will |
| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. |
| 35 | ** |
| 36 | ** $QT_END_LICENSE$ |
| 37 | ** |
| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #include "config.h" |
| 41 | #include "qscriptglobalobject_p.h" |
| 42 | |
| 43 | #include "../api/qscriptengine.h" |
| 44 | #include "../api/qscriptengine_p.h" |
| 45 | |
| 46 | namespace JSC |
| 47 | { |
| 48 | QT_USE_NAMESPACE |
| 49 | |
| 50 | ASSERT_CLASS_FITS_IN_CELL(QScript::GlobalObject); |
| 51 | ASSERT_CLASS_FITS_IN_CELL(QScript::OriginalGlobalObjectProxy); |
| 52 | |
| 53 | } // namespace JSC |
| 54 | |
| 55 | QT_BEGIN_NAMESPACE |
| 56 | |
| 57 | namespace QScript |
| 58 | { |
| 59 | |
| 60 | GlobalObject::GlobalObject() |
| 61 | : JSC::JSGlobalObject(), customGlobalObject(0) |
| 62 | { |
| 63 | } |
| 64 | |
| 65 | GlobalObject::~GlobalObject() |
| 66 | { |
| 67 | } |
| 68 | |
| 69 | void GlobalObject::markChildren(JSC::MarkStack& markStack) |
| 70 | { |
| 71 | JSC::JSGlobalObject::markChildren(markStack); |
| 72 | if (customGlobalObject) |
| 73 | markStack.append(cell: customGlobalObject); |
| 74 | } |
| 75 | |
| 76 | bool GlobalObject::getOwnPropertySlot(JSC::ExecState* exec, |
| 77 | const JSC::Identifier& propertyName, |
| 78 | JSC::PropertySlot& slot) |
| 79 | { |
| 80 | QScriptEnginePrivate *engine = scriptEngineFromExec(exec); |
| 81 | if (propertyName == exec->propertyNames().arguments && engine->currentFrame->argumentCount() > 0) { |
| 82 | JSC::JSValue args = engine->scriptValueToJSCValue(value: engine->contextForFrame(frame: engine->currentFrame)->argumentsObject()); |
| 83 | slot.setValue(args); |
| 84 | return true; |
| 85 | } |
| 86 | if (customGlobalObject) |
| 87 | return customGlobalObject->getOwnPropertySlot(exec, propertyName, slot); |
| 88 | return JSC::JSGlobalObject::getOwnPropertySlot(exec, propertyName, slot); |
| 89 | } |
| 90 | |
| 91 | bool GlobalObject::getOwnPropertyDescriptor(JSC::ExecState* exec, |
| 92 | const JSC::Identifier& propertyName, |
| 93 | JSC::PropertyDescriptor& descriptor) |
| 94 | { |
| 95 | // Must match the logic of getOwnPropertySlot(). |
| 96 | QScriptEnginePrivate *engine = scriptEngineFromExec(exec); |
| 97 | if (propertyName == exec->propertyNames().arguments && engine->currentFrame->argumentCount() > 0) { |
| 98 | // ### Can we get rid of this special handling of the arguments property? |
| 99 | JSC::JSValue args = engine->scriptValueToJSCValue(value: engine->contextForFrame(frame: engine->currentFrame)->argumentsObject()); |
| 100 | descriptor.setValue(args); |
| 101 | return true; |
| 102 | } |
| 103 | if (customGlobalObject) |
| 104 | return customGlobalObject->getOwnPropertyDescriptor(exec, propertyName, descriptor); |
| 105 | return JSC::JSGlobalObject::getOwnPropertyDescriptor(exec, propertyName, descriptor); |
| 106 | } |
| 107 | |
| 108 | void GlobalObject::put(JSC::ExecState* exec, const JSC::Identifier& propertyName, |
| 109 | JSC::JSValue value, JSC::PutPropertySlot& slot) |
| 110 | { |
| 111 | if (customGlobalObject) |
| 112 | customGlobalObject->put(exec, propertyName, value, slot); |
| 113 | else |
| 114 | JSC::JSGlobalObject::put(exec, propertyName, value, slot); |
| 115 | } |
| 116 | |
| 117 | void GlobalObject::putWithAttributes(JSC::ExecState* exec, const JSC::Identifier& propertyName, |
| 118 | JSC::JSValue value, unsigned attributes) |
| 119 | { |
| 120 | if (customGlobalObject) |
| 121 | customGlobalObject->putWithAttributes(exec, propertyName, value, attributes); |
| 122 | else |
| 123 | JSC::JSGlobalObject::putWithAttributes(exec, propertyName, value, attributes); |
| 124 | } |
| 125 | |
| 126 | bool GlobalObject::deleteProperty(JSC::ExecState* exec, const JSC::Identifier& propertyName) |
| 127 | { |
| 128 | if (customGlobalObject) |
| 129 | return customGlobalObject->deleteProperty(exec, propertyName); |
| 130 | return JSC::JSGlobalObject::deleteProperty(exec, propertyName); |
| 131 | } |
| 132 | |
| 133 | void GlobalObject::getOwnPropertyNames(JSC::ExecState* exec, JSC::PropertyNameArray& propertyNames, |
| 134 | JSC::EnumerationMode mode) |
| 135 | { |
| 136 | if (customGlobalObject) |
| 137 | customGlobalObject->getOwnPropertyNames(exec, propertyNames, mode); |
| 138 | else |
| 139 | JSC::JSGlobalObject::getOwnPropertyNames(exec, propertyNames, mode); |
| 140 | } |
| 141 | |
| 142 | void GlobalObject::defineGetter(JSC::ExecState* exec, const JSC::Identifier& propertyName, JSC::JSObject* getterFunction, unsigned attributes) |
| 143 | { |
| 144 | if (customGlobalObject) |
| 145 | customGlobalObject->defineGetter(exec, propertyName, getterFunction, attributes); |
| 146 | else |
| 147 | JSC::JSGlobalObject::defineGetter(exec, propertyName, getterFunc: getterFunction, attributes); |
| 148 | } |
| 149 | |
| 150 | void GlobalObject::defineSetter(JSC::ExecState* exec, const JSC::Identifier& propertyName, JSC::JSObject* setterFunction, unsigned attributes) |
| 151 | { |
| 152 | if (customGlobalObject) |
| 153 | customGlobalObject->defineSetter(exec, propertyName, setterFunction, attributes); |
| 154 | else |
| 155 | JSC::JSGlobalObject::defineSetter(exec, propertyName, setterFunc: setterFunction, attributes); |
| 156 | } |
| 157 | |
| 158 | JSC::JSValue GlobalObject::lookupGetter(JSC::ExecState* exec, const JSC::Identifier& propertyName) |
| 159 | { |
| 160 | if (customGlobalObject) |
| 161 | return customGlobalObject->lookupGetter(exec, propertyName); |
| 162 | return JSC::JSGlobalObject::lookupGetter(exec, propertyName); |
| 163 | } |
| 164 | |
| 165 | JSC::JSValue GlobalObject::lookupSetter(JSC::ExecState* exec, const JSC::Identifier& propertyName) |
| 166 | { |
| 167 | if (customGlobalObject) |
| 168 | return customGlobalObject->lookupSetter(exec, propertyName); |
| 169 | return JSC::JSGlobalObject::lookupSetter(exec, propertyName); |
| 170 | } |
| 171 | |
| 172 | } // namespace QScript |
| 173 | |
| 174 | QT_END_NAMESPACE |
| 175 | |