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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qv4function_p.h"
#include "qv4managed_p.h"
#include "qv4string_p.h"
#include "qv4value_p.h"
#include "qv4engine_p.h"
#include "qv4lookup_p.h"
#include <private/qv4mm_p.h>
QT_BEGIN_NAMESPACE
using namespace QV4;
Function::Function(ExecutionEngine *engine, CompiledData::CompilationUnit *unit, const CompiledData::Function *function,
ReturnedValue (*codePtr)(ExecutionEngine *, const uchar *))
: compiledFunction(function)
, compilationUnit(unit)
, code(codePtr)
, codeData(0)
, hasQmlDependencies(function->hasQmlDependencies())
{
Q_UNUSED(engine);
internalClass = engine->internalClasses[EngineBase::Class_Empty];
const quint32_le *formalsIndices = compiledFunction->formalsTable();
// iterate backwards, so we get the right ordering for duplicate names
Scope scope(engine);
ScopedString arg(scope);
for (int i = static_cast<int>(compiledFunction->nFormals - 1); i >= 0; --i) {
arg = compilationUnit->runtimeStrings[formalsIndices[i]];
while (1) {
InternalClass *newClass = internalClass->addMember(arg, Attr_NotConfigurable);
if (newClass != internalClass) {
internalClass = newClass;
break;
}
// duplicate arguments, need some trick to store them
MemoryManager *mm = engine->memoryManager;
arg = mm->alloc<String>(arg->d(), engine->newString(QString(0xfffe)));
}
}
nFormals = compiledFunction->nFormals;
const quint32_le *localsIndices = compiledFunction->localsTable();
for (quint32 i = 0; i < compiledFunction->nLocals; ++i)
internalClass = internalClass->addMember(compilationUnit->runtimeStrings[localsIndices[i]]->identifier, Attr_NotConfigurable);
canUseSimpleCall = compiledFunction->flags & CompiledData::Function::CanUseSimpleCall;
}
Function::~Function()
{
}
void Function::updateInternalClass(ExecutionEngine *engine, const QList<QByteArray> ¶meters)
{
internalClass = engine->internalClasses[EngineBase::Class_Empty];
// iterate backwards, so we get the right ordering for duplicate names
Scope scope(engine);
ScopedString arg(scope);
for (int i = parameters.size() - 1; i >= 0; --i) {
arg = engine->newString(QString::fromUtf8(parameters.at(i)));
while (1) {
InternalClass *newClass = internalClass->addMember(arg, Attr_NotConfigurable);
if (newClass != internalClass) {
internalClass = newClass;
break;
}
// duplicate arguments, need some trick to store them
arg = engine->memoryManager->alloc<String>(arg->d(), engine->newString(QString(0xfffe)));
}
}
nFormals = parameters.size();
const quint32_le *localsIndices = compiledFunction->localsTable();
for (quint32 i = 0; i < compiledFunction->nLocals; ++i)
internalClass = internalClass->addMember(compilationUnit->runtimeStrings[localsIndices[i]]->identifier, Attr_NotConfigurable);
canUseSimpleCall = false;
}
QT_END_NAMESPACE
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