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Diffstat (limited to 'src/script/qscriptfunction.cpp')
-rw-r--r-- | src/script/qscriptfunction.cpp | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/src/script/qscriptfunction.cpp b/src/script/qscriptfunction.cpp new file mode 100644 index 0000000..55d5e61 --- /dev/null +++ b/src/script/qscriptfunction.cpp @@ -0,0 +1,171 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qscriptfunction_p.h" + +#ifndef QT_NO_SCRIPT + +#include "qscriptengine_p.h" +#include "qscriptvalueimpl_p.h" +#include "qscriptcontext_p.h" +#include "qscriptmember_p.h" +#include "qscriptobject_p.h" + +QT_BEGIN_NAMESPACE + +QScriptFunction::~QScriptFunction() +{ +} + +QString QScriptFunction::toString(QScriptContextPrivate *) const +{ + QString result; + result += QLatin1String("function () { [native] }"); + return result; +} + +QString QScriptFunction::fileName() const +{ + return QString(); +} + +QString QScriptFunction::functionName() const +{ + return QString(); +} + +int QScriptFunction::startLineNumber() const +{ + return -1; +} + +int QScriptFunction::endLineNumber() const +{ + return -1; +} + +void QScriptFunction::mark(QScriptEnginePrivate *engine, int generation) +{ + for (int i = 0; i < formals.count(); ++i) + engine->markString(formals.at(i), generation); +} + +// public API function +void QScript::CFunction::execute(QScriptContextPrivate *context) +{ + QScriptEnginePrivate *eng_p = context->engine(); + + context->m_result = eng_p->undefinedValue(); + +#ifndef Q_SCRIPT_NO_EVENT_NOTIFY + eng_p->notifyFunctionEntry(context); +#endif + + QScriptContext *publicContext = QScriptContextPrivate::get(eng_p->currentContext()); + QScriptEngine *publicEngine = QScriptEnginePrivate::get(eng_p); + QScriptValueImpl result = eng_p->toImpl((*m_funPtr)(publicContext, publicEngine)); + if (result.isValid() && !eng_p->shouldAbort() + && (context->state() == QScriptContext::NormalState)) { + context->m_result = result; + } + +#ifndef Q_SCRIPT_NO_EVENT_NOTIFY + eng_p->notifyFunctionExit(context); +#endif +} + +QString QScript::CFunction::functionName() const +{ + return QString(); +} + +// internal API function +void QScript::C2Function::execute(QScriptContextPrivate *context) +{ + QScriptEnginePrivate *eng_p = context->engine(); + + bool blocked = eng_p->blockGC(true); + +#ifndef Q_SCRIPT_NO_EVENT_NOTIFY + eng_p->notifyFunctionEntry(context); +#endif + + context->m_result = (*m_funPtr)(context, eng_p, m_classInfo); + Q_ASSERT(context->m_result.isValid()); + +#ifndef Q_SCRIPT_NO_EVENT_NOTIFY + eng_p->notifyFunctionExit(context); +#endif + + eng_p->blockGC(blocked); +} + +QString QScript::C2Function::functionName() const +{ + if (!m_name.isEmpty()) + return m_name; + return QString(); +} + +void QScript::C3Function::execute(QScriptContextPrivate *context) +{ + QScriptEnginePrivate *eng_p = context->engine(); + + context->m_result = eng_p->undefinedValue(); + +#ifndef Q_SCRIPT_NO_EVENT_NOTIFY + eng_p->notifyFunctionEntry(context); +#endif + + QScriptContext *publicContext = QScriptContextPrivate::get(eng_p->currentContext()); + QScriptEngine *publicEngine = QScriptEnginePrivate::get(eng_p); + QScriptValueImpl result = eng_p->toImpl((*m_funPtr)(publicContext, publicEngine, m_arg)); + if (result.isValid() && !eng_p->shouldAbort()) + context->m_result = result; + +#ifndef Q_SCRIPT_NO_EVENT_NOTIFY + eng_p->notifyFunctionExit(context); +#endif +} + +QT_END_NAMESPACE + +#endif // QT_NO_SCRIPT |