|
|
/* * This file is part of the KDE libraries * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef _KJS_FUNCTION_H_ #define _KJS_FUNCTION_H_ #include <assert.h> #include "object.h" #include "types.h" namespace KJS { enum CodeType { GlobalCode, EvalCode, FunctionCode, AnonymousCode, HostCode }; enum FunctionAttribute { ImplicitNone, ImplicitThis, ImplicitParents }; class Function; class Parameter; /** * @short Implementation class for Functions. */ class FunctionImp : public ObjectImp { friend class Function; public: FunctionImp(); FunctionImp(const UString &n); virtual ~FunctionImp(); virtual const TypeInfo* typeInfo() const { return &info; } static const TypeInfo info; virtual Completion execute(const List &) = 0; bool hasAttribute(FunctionAttribute a) const { return (attr & a) != 0; } virtual CodeType codeType() const = 0; KJSO thisValue() const; void addParameter(const UString &n); KJSO executeCall(Imp *thisV, const List *args); UString name() const; protected: UString ident; FunctionAttribute attr; Parameter *param; private: void processParameters(const List *); }; /** * @short Abstract base class for internal functions. */ class InternalFunctionImp : public FunctionImp { public: InternalFunctionImp(); InternalFunctionImp(int l); InternalFunctionImp(const UString &n); virtual ~InternalFunctionImp() { } virtual const TypeInfo* typeInfo() const { return &info; } static const TypeInfo info; virtual Completion execute(const List &); virtual CodeType codeType() const { return HostCode; } }; /** * @short Base class for Function objects. */ class Function : public KJSO { public: Function(Imp *); virtual ~Function() { } Completion execute(const List &); bool hasAttribute(FunctionAttribute a) const; CodeType codeType() const { return HostCode; } KJSO thisValue() const; }; /** * @short Implementation class for Constructors. */ class ConstructorImp : public InternalFunctionImp { public: ConstructorImp(); ConstructorImp(const UString &n); ConstructorImp(const KJSO &, int); ConstructorImp(const UString &n, const KJSO &p, int len); virtual ~ConstructorImp(); virtual const TypeInfo* typeInfo() const { return &info; } static const TypeInfo info; virtual Completion execute(const List &); virtual Object construct(const List &) = 0; }; /** * @short Constructor object for use with the 'new' operator */ class Constructor : public Function { public: Constructor(Imp *); virtual ~Constructor(); // Constructor(const Object& proto, int len); /** * @return @ref ConstructorType */ Completion execute(const List &); Object construct(const List &args); static Constructor dynamicCast(const KJSO &obj); }; }; // namespace #endif
Generated by: faure on ftp.kde.com on Wed Jun 20 13:27:18 2001, using kdoc 2.0a53. |