diff options
Diffstat (limited to 'src/script/api/qscriptengine_p.h')
| -rw-r--r-- | src/script/api/qscriptengine_p.h | 122 |
1 files changed, 94 insertions, 28 deletions
diff --git a/src/script/api/qscriptengine_p.h b/src/script/api/qscriptengine_p.h index cde116d..68bf8e0 100644 --- a/src/script/api/qscriptengine_p.h +++ b/src/script/api/qscriptengine_p.h @@ -6,35 +6,17 @@ ** ** This file is part of the QtScript module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** +** $QT_BEGIN_LICENSE:LGPL-ONLY$ ** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser +** This file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** ** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -70,6 +52,7 @@ namespace JSC { + class EvalExecutable; class ExecState; typedef ExecState CallFrame; class JSCell; @@ -101,11 +84,22 @@ namespace QScript class TimeoutCheckerProxy; //some conversion helper functions - QScriptEnginePrivate *scriptEngineFromExec(const JSC::ExecState *exec); + inline QScriptEnginePrivate *scriptEngineFromExec(const JSC::ExecState *exec); bool isFunction(JSC::JSValue value); class UStringSourceProviderWithFeedback; -} + +struct GlobalClientData : public JSC::JSGlobalData::ClientData +{ + GlobalClientData(QScriptEnginePrivate *e) + : engine(e) {} + virtual ~GlobalClientData() {} + virtual void mark(JSC::MarkStack& markStack); + + QScriptEnginePrivate *engine; +}; + +} // namespace QScript class QScriptEnginePrivate #ifndef QT_NO_QOBJECT @@ -147,22 +141,22 @@ public: JSC::JSValue defaultPrototype(int metaTypeId) const; void setDefaultPrototype(int metaTypeId, JSC::JSValue prototype); - static QScriptContext *contextForFrame(JSC::ExecState *frame); - static JSC::ExecState *frameForContext(QScriptContext *context); - static const JSC::ExecState *frameForContext(const QScriptContext *context); + static inline QScriptContext *contextForFrame(JSC::ExecState *frame); + static inline JSC::ExecState *frameForContext(QScriptContext *context); + static inline const JSC::ExecState *frameForContext(const QScriptContext *context); JSC::JSGlobalObject *originalGlobalObject() const; JSC::JSObject *getOriginalGlobalObjectProxy(); JSC::JSObject *customGlobalObject() const; JSC::JSObject *globalObject() const; void setGlobalObject(JSC::JSObject *object); - JSC::ExecState *globalExec() const; + inline JSC::ExecState *globalExec() const; JSC::JSValue toUsableValue(JSC::JSValue value); static JSC::JSValue thisForContext(JSC::ExecState *frame); static JSC::Register *thisRegisterForFrame(JSC::ExecState *frame); JSC::CallFrame *pushContext(JSC::CallFrame *exec, JSC::JSValue thisObject, const JSC::ArgList& args, - JSC::JSObject *callee, bool calledAsConstructor = false); + JSC::JSObject *callee, bool calledAsConstructor = false, bool clearScopeChain = false); void popContext(); void mark(JSC::MarkStack& markStack); @@ -200,6 +194,10 @@ public: const QByteArray &targetType, void **result); + JSC::JSValue evaluateHelper(JSC::ExecState *exec, intptr_t sourceId, + JSC::EvalExecutable *executable, + bool &compile); + QScript::QObjectData *qobjectData(QObject *object); void disposeQObject(QObject *object); void emitSignalHandlerException(); @@ -367,6 +365,11 @@ private: JSC::ExecState *oldFrame; }; +inline QScriptEnginePrivate *scriptEngineFromExec(const JSC::ExecState *exec) +{ + return static_cast<GlobalClientData*>(exec->globalData().clientData)->engine; +} + } // namespace QScript inline QScriptValuePrivate *QScriptEnginePrivate::allocateScriptValuePrivate(size_t size) @@ -451,7 +454,7 @@ inline void QScriptValuePrivate::initFrom(JSC::JSValue value) engine->registerScriptValue(this); } -inline void QScriptValuePrivate::initFrom(double value) +inline void QScriptValuePrivate::initFrom(qsreal value) { type = Number; numberValue = value; @@ -473,6 +476,28 @@ inline QScriptValue QScriptValuePrivate::property(const QString &name, int resol return property(JSC::Identifier(exec, name), resolveMode); } +inline QScriptValue QScriptValuePrivate::property(const JSC::Identifier &id, int resolveMode) const +{ + Q_ASSERT(isObject()); + JSC::ExecState *exec = engine->currentFrame; + JSC::JSObject *object = JSC::asObject(jscValue); + JSC::PropertySlot slot(object); + if ((resolveMode & QScriptValue::ResolvePrototype) && object->getPropertySlot(exec, id, slot)) + return engine->scriptValueFromJSCValue(slot.getValue(exec, id)); + return propertyHelper(id, resolveMode); +} + +inline QScriptValue QScriptValuePrivate::property(quint32 index, int resolveMode) const +{ + Q_ASSERT(isObject()); + JSC::ExecState *exec = engine->currentFrame; + JSC::JSObject *object = JSC::asObject(jscValue); + JSC::PropertySlot slot(object); + if ((resolveMode & QScriptValue::ResolvePrototype) && object->getPropertySlot(exec, index, slot)) + return engine->scriptValueFromJSCValue(slot.getValue(exec, index)); + return propertyHelper(index, resolveMode); +} + inline void* QScriptValuePrivate::operator new(size_t size, QScriptEnginePrivate *engine) { if (engine) @@ -489,6 +514,22 @@ inline void QScriptValuePrivate::operator delete(void *ptr) qFree(d); } +inline void QScriptValuePrivate::saveException(JSC::ExecState *exec, JSC::JSValue *val) +{ + if (exec) { + *val = exec->exception(); + exec->clearException(); + } else { + *val = JSC::JSValue(); + } +} + +inline void QScriptValuePrivate::restoreException(JSC::ExecState *exec, JSC::JSValue val) +{ + if (exec && val) + exec->setException(val); +} + inline void QScriptEnginePrivate::registerScriptString(QScriptStringPrivate *value) { Q_ASSERT(value->type == QScriptStringPrivate::HeapAllocated); @@ -512,6 +553,31 @@ inline void QScriptEnginePrivate::unregisterScriptString(QScriptStringPrivate *v value->next = 0; } +inline QScriptContext *QScriptEnginePrivate::contextForFrame(JSC::ExecState *frame) +{ + if (frame && frame->callerFrame()->hasHostCallFrameFlag() && !frame->callee() + && frame->callerFrame()->removeHostCallFrameFlag() == QScript::scriptEngineFromExec(frame)->globalExec()) { + //skip the "fake" context created in Interpreter::execute. + frame = frame->callerFrame()->removeHostCallFrameFlag(); + } + return reinterpret_cast<QScriptContext *>(frame); +} + +inline JSC::ExecState *QScriptEnginePrivate::frameForContext(QScriptContext *context) +{ + return reinterpret_cast<JSC::ExecState*>(context); +} + +inline const JSC::ExecState *QScriptEnginePrivate::frameForContext(const QScriptContext *context) +{ + return reinterpret_cast<const JSC::ExecState*>(context); +} + +inline JSC::ExecState *QScriptEnginePrivate::globalExec() const +{ + return originalGlobalObject()->globalExec(); +} + QT_END_NAMESPACE #endif |