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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 "qv4functionobject_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>
#include <private/qv4identifiertable_p.h>
#include <assembler/MacroAssemblerCodeRef.h>
QT_BEGIN_NAMESPACE
using namespace QV4;
Function::Function(ExecutionEngine *engine, CompiledData::CompilationUnit *unit, const CompiledData::Function *function, Code codePtr)
: compiledFunction(function)
, compilationUnit(unit)
, code(codePtr)
, codeData(function->code())
, jittedCode(nullptr)
, codeRef(nullptr)
, hasQmlDependencies(function->hasQmlDependencies())
{
Q_UNUSED(engine);
internalClass = engine->internalClasses[EngineBase::Class_CallContext];
// first locals
const quint32_le *localsIndices = compiledFunction->localsTable();
for (quint32 i = 0; i < compiledFunction->nLocals; ++i)
internalClass = internalClass->addMember(engine->identifierTable->identifier(compilationUnit->runtimeStrings[localsIndices[i]]), Attr_NotConfigurable);
const quint32_le *formalsIndices = compiledFunction->formalsTable();
for (quint32 i = 0; i < compiledFunction->nFormals; ++i)
internalClass = internalClass->addMember(engine->identifierTable->identifier(compilationUnit->runtimeStrings[formalsIndices[i]]), Attr_NotConfigurable);
nFormals = compiledFunction->nFormals;
}
Function::~Function()
{
delete codeRef;
}
void Function::updateInternalClass(ExecutionEngine *engine, const QList<QByteArray> ¶meters)
{
QStringList parameterNames;
// Resolve duplicate parameter names:
for (int i = 0, ei = parameters.count(); i != ei; ++i) {
const QByteArray ¶m = parameters.at(i);
int duplicate = -1;
for (int j = i - 1; j >= 0; --j) {
const QByteArray &prevParam = parameters.at(j);
if (param == prevParam) {
duplicate = j;
break;
}
}
if (duplicate == -1) {
parameterNames.append(QString::fromUtf8(param));
} else {
const QString &dup = parameterNames[duplicate];
parameterNames.append(dup);
parameterNames[duplicate] =
QString(0xfffe) + QString::number(duplicate) + dup;
}
}
internalClass = engine->internalClasses[EngineBase::Class_CallContext];
Scope scope(engine);
ScopedString arg(scope);
for (const QString ¶meterName : parameterNames) {
arg = engine->newString(parameterName);
internalClass = internalClass->addMember(arg, Attr_NotConfigurable);
}
nFormals = parameters.size();
const quint32_le *localsIndices = compiledFunction->localsTable();
for (quint32 i = 0; i < compiledFunction->nLocals; ++i)
internalClass = internalClass->addMember(engine->identifierTable->identifier(compilationUnit->runtimeStrings[localsIndices[i]]), Attr_NotConfigurable);
}
QT_END_NAMESPACE
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