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qv4function_p.h 3.67 KiB
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/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the QtQml module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QV4FUNCTION_H
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#define QV4FUNCTION_H
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#include "qv4global_p.h"
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#include <QtCore/QVector>
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#include <QtCore/QByteArray>
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#include <QtCore/qurl.h>
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#include "qv4value_p.h"
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#include <private/qv4compileddata_p.h>
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#include <private/qv4engine_p.h>
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QT_BEGIN_NAMESPACE
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namespace QV4 {
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struct String;
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struct Function;
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struct Object;
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struct FunctionObject;
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struct ExecutionContext;
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struct ExecutionEngine;
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class MemoryManager;
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struct ObjectPrototype;
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struct StringPrototype;
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struct NumberPrototype;
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struct BooleanPrototype;
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struct ArrayPrototype;
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struct FunctionPrototype;
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struct DatePrototype;
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struct ErrorPrototype;
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struct EvalErrorPrototype;
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struct RangeErrorPrototype;
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struct ReferenceErrorPrototype;
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struct SyntaxErrorPrototype;
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struct TypeErrorPrototype;
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struct URIErrorPrototype; struct InternalClass; struct Lookup; struct Q_QML_EXPORT Function { const CompiledData::Function *compiledFunction; CompiledData::CompilationUnit *compilationUnit; ReturnedValue (*code)(ExecutionContext *, const uchar *); const uchar *codeData; // first nArguments names in internalClass are the actual arguments InternalClass *internalClass; Function(ExecutionEngine *engine, CompiledData::CompilationUnit *unit, const CompiledData::Function *function, ReturnedValue (*codePtr)(ExecutionContext *, const uchar *)); ~Function(); inline String *name() { return compilationUnit->runtimeStrings[compiledFunction->nameIndex].getPointer(); } inline QString sourceFile() const { return compilationUnit->fileName(); } inline bool usesArgumentsObject() const { return compiledFunction->flags & CompiledData::Function::UsesArgumentsObject; } inline bool isStrict() const { return compiledFunction->flags & CompiledData::Function::IsStrict; } inline bool isNamedExpression() const { return compiledFunction->flags & CompiledData::Function::IsNamedExpression; } inline bool needsActivation() const { return compiledFunction->nInnerFunctions > 0 || (compiledFunction->flags & (CompiledData::Function::HasDirectEval | CompiledData::Function::UsesArgumentsObject)); } }; } QT_END_NAMESPACE #endif