number_object.h

/*
 *  This file is part of the KDE libraries
 *  Copyright (C) 1999-2000 Harri Porten ([email protected])
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */
 
#ifndef NUMBER_OBJECT_H_
#define NUMBER_OBJECT_H_
 
#include "function_object.h"
#include "JSWrapperObject.h"
 
namespace KJS
{
 
class NumberInstance : public JSWrapperObject
{
public:
    NumberInstance(JSObject *proto);
 
    const ClassInfo *classInfo() const override
    {
        return &info;
    }
    static const ClassInfo info;
 
    JSObject *valueClone(Interpreter *targetCtx) const override;
};
 
/**
 * @internal
 *
 * The initial value of Number.prototype (and thus all objects created
 * with the Number constructor
 */
class NumberPrototype : public NumberInstance
{
public:
    NumberPrototype(ExecState *exec,
                    ObjectPrototype *objProto,
                    FunctionPrototype *funcProto);
};
 
/**
 * @internal
 *
 * Class to implement all methods that are properties of the
 * Number.prototype object
 */
class NumberProtoFunc : public InternalFunctionImp
{
public:
    NumberProtoFunc(ExecState *, FunctionPrototype *, int i, int len, const Identifier &);
 
    JSValue *callAsFunction(ExecState *exec, JSObject *thisObj, const List &args) override;
 
    enum { ToString, ToLocaleString, ValueOf, ToFixed, ToExponential, ToPrecision };
private:
    int id;
};
 
/**
 * @internal
 *
 * The initial value of the global variable's "Number" property
 */
class NumberObjectImp : public InternalFunctionImp
{
    using InternalFunctionImp::construct;
public:
    NumberObjectImp(ExecState *exec,
                    FunctionPrototype *funcProto,
                    NumberPrototype *numberProto);
 
    bool implementsConstruct() const override;
    JSObject *construct(ExecState *exec, const List &args) override;
 
    JSValue *callAsFunction(ExecState *exec, JSObject *thisObj, const List &args) override;
 
    using KJS::JSObject::getOwnPropertySlot;
    bool getOwnPropertySlot(ExecState *, const Identifier &, PropertySlot &) override;
    JSValue *getValueProperty(ExecState *exec, int token) const;
 
    const ClassInfo *classInfo() const override
    {
        return &info;
    }
    static const ClassInfo info;
    enum { NaNValue, NegInfinity, PosInfinity, MaxValue, MinValue,
        //ES6 (Draft 08.11.2013)
        MaxSafeInteger, MinSafeInteger,
        IsFinite, IsInteger, IsNaN, IsSafeInteger, ParseInt, ParseFloat
    };
 
    Completion execute(const List &);
    JSObject *construct(const List &);
};
 
class NumberFuncImp : public InternalFunctionImp {
public:
    NumberFuncImp(ExecState *exec, int i, int l, const Identifier&);
    JSValue *callAsFunction(ExecState *exec, JSObject *thisObj, const List &args) override;
private:
    int id;
};
 
} // namespace
 
#endif