qt-creator/src/libs/qmljs/qmljsvalueowner.h

/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** 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.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
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#ifndef QMLJS_VALUEOWNER_H
#define QMLJS_VALUEOWNER_H

#include "qmljs_global.h"
#include "qmljsinterpreter.h"

#include <QtCore/QList>

namespace QmlJS {

////////////////////////////////////////////////////////////////////////////////
// Forward declarations
////////////////////////////////////////////////////////////////////////////////
class Value;
class NullValue;
class UndefinedValue;
class NumberValue;
class IntValue;
class RealValue;
class BooleanValue;
class StringValue;
class UrlValue;
class ObjectValue;
class FunctionValue;
class Reference;
class ColorValue;
class AnchorLineValue;
class Imports;
class TypeScope;
class JSImportScope;
class Function;

class QMLJS_EXPORT ValueOwner
{
    Q_DISABLE_COPY(ValueOwner)

public:
    ValueOwner();
    ~ValueOwner();

    const NullValue *nullValue() const;
    const UndefinedValue *undefinedValue() const;
    const NumberValue *numberValue() const;
    const RealValue *realValue() const;
    const IntValue *intValue() const;
    const BooleanValue *booleanValue() const;
    const StringValue *stringValue() const;
    const UrlValue *urlValue() const;
    const ColorValue *colorValue() const;
    const AnchorLineValue *anchorLineValue() const;

    ObjectValue *newObject(const ObjectValue *prototype);
    ObjectValue *newObject();
    Function *newFunction();
    const Value *newArray(); // ### remove me

    // QML objects
    const ObjectValue *qmlKeysObject();
    const ObjectValue *qmlFontObject();
    const ObjectValue *qmlPointObject();
    const ObjectValue *qmlSizeObject();
    const ObjectValue *qmlRectObject();
    const ObjectValue *qmlVector3DObject();

    const Value *defaultValueForBuiltinType(const QString &typeName) const;

    // global object
    ObjectValue *globalObject() const;
    const ObjectValue *mathObject() const;
    const ObjectValue *qtObject() const;

    // prototypes
    ObjectValue *objectPrototype() const;
    ObjectValue *functionPrototype() const;
    ObjectValue *numberPrototype() const;
    ObjectValue *booleanPrototype() const;
    ObjectValue *stringPrototype() const;
    ObjectValue *arrayPrototype() const;
    ObjectValue *datePrototype() const;
    ObjectValue *regexpPrototype() const;

    // ctors
    const FunctionValue *objectCtor() const;
    const FunctionValue *functionCtor() const;
    const FunctionValue *arrayCtor() const;
    const FunctionValue *stringCtor() const;
    const FunctionValue *booleanCtor() const;
    const FunctionValue *numberCtor() const;
    const FunctionValue *dateCtor() const;
    const FunctionValue *regexpCtor() const;

    // operators
    const Value *convertToBoolean(const Value *value);
    const Value *convertToNumber(const Value *value);
    const Value *convertToString(const Value *value);
    const Value *convertToObject(const Value *value);
    QString typeId(const Value *value);

    // typing:
    CppQmlTypes &cppQmlTypes()
    { return _cppQmlTypes; }
    const CppQmlTypes &cppQmlTypes() const
    { return _cppQmlTypes; }

    void registerValue(Value *value); // internal

private:
    void initializePrototypes();

    Function *addFunction(ObjectValue *object, const QString &name, const Value *result, int argumentCount = 0);
    Function *addFunction(ObjectValue *object, const QString &name, int argumentCount = 0);

private:
    ObjectValue *_objectPrototype;
    ObjectValue *_functionPrototype;
    ObjectValue *_numberPrototype;
    ObjectValue *_booleanPrototype;
    ObjectValue *_stringPrototype;
    ObjectValue *_arrayPrototype;
    ObjectValue *_datePrototype;
    ObjectValue *_regexpPrototype;

    Function *_objectCtor;
    Function *_functionCtor;
    Function *_arrayCtor;
    Function *_stringCtor;
    Function *_booleanCtor;
    Function *_numberCtor;
    Function *_dateCtor;
    Function *_regexpCtor;

    ObjectValue *_globalObject;
    ObjectValue *_mathObject;
    ObjectValue *_qtObject;
    ObjectValue *_qmlKeysObject;
    ObjectValue *_qmlFontObject;
    ObjectValue *_qmlPointObject;
    ObjectValue *_qmlSizeObject;
    ObjectValue *_qmlRectObject;
    ObjectValue *_qmlVector3DObject;

    NullValue _nullValue;
    UndefinedValue _undefinedValue;
    NumberValue _numberValue;
    RealValue _realValue;
    IntValue _intValue;
    BooleanValue _booleanValue;
    StringValue _stringValue;
    UrlValue _urlValue;
    ColorValue _colorValue;
    AnchorLineValue _anchorLineValue;
    QList<Value *> _registeredValues;

    ConvertToNumber _convertToNumber;
    ConvertToString _convertToString;
    ConvertToObject _convertToObject;
    TypeId _typeId;

    CppQmlTypes _cppQmlTypes;

    QMutex _mutex;
};

} // namespace QmlJS

#endif // QMLJS_VALUEOWNER_H