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# function.h

    00001 // -*- c-basic-offset: 2 -*-
    00002 /*
    00003  *  This file is part of the KDE libraries
    00004  *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
    00005  *
    00006  *  This library is free software; you can redistribute it and/or
    00007  *  modify it under the terms of the GNU Lesser General Public
    00008  *  License as published by the Free Software Foundation; either
    00009  *  version 2 of the License, or (at your option) any later version.
    00010  *
    00011  *  This library is distributed in the hope that it will be useful,
    00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00014  *  Lesser General Public License for more details.
    00015  *
    00016  *  You should have received a copy of the GNU Lesser General Public License
    00017  *  along with this library; see the file COPYING.LIB.  If not, write to
    00018  *  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00019  *  Boston, MA 02111-1307, USA.
    00020  *
    00021  *  $Id: function.h,v 1.28.2.1 2003/05/17 11:19:24 mueller Exp $
    00022  */
    00023
    00024 #ifndef _KJS_FUNCTION_H_
    00025 #define _KJS_FUNCTION_H_
    00026
    00027 #include "internal.h"
    00028
    00029 namespace KJS {
    00030
    00031   class Parameter;
    00032
    00036   class FunctionImp : public InternalFunctionImp {
    00037     friend class Function;
    00038     friend class ActivationImp;
    00039   public:
    00040     FunctionImp(ExecState *exec, const UString &n = UString::null);
    00041     virtual ~FunctionImp();
    00042
    00043     virtual void mark();
    00044
    00045     virtual bool implementsCall() const;
    00046     virtual Value call(ExecState *exec, Object &thisObj, const List &args);
    00047
    00048     void addParameter(const UString &n);
    00049     // parameters in string representation, e.g. (a, b, c)
    00050     UString parameterString() const;
    00051     virtual CodeType codeType() const = 0;
    00052
    00053     virtual Completion execute(ExecState *exec) = 0;
    00054     UString name() const { return ident; }
    00055
    00056     virtual const ClassInfo *classInfo() const { return &info; }
    00057     static const ClassInfo info;
    00058   protected:
    00059     Parameter *param;
    00060     UString ident;
    00061
    00062   private:
    00063     void processParameters(ExecState *exec, const List &);
    00064     virtual void processVarDecls(ExecState *exec);
    00065
    00066     void pushArgs(ExecState *exec, const Object &args);
    00067     void popArgs(ExecState *exec);
    00068     ListImp *argStack;
    00069   };
    00070
    00071   class DeclaredFunctionImp : public FunctionImp {
    00072   public:
    00073     DeclaredFunctionImp(ExecState *exec, const UString &n,
    00074                         FunctionBodyNode *b, const List &sc);
    00075     ~DeclaredFunctionImp();
    00076
    00077     bool implementsConstruct() const;
    00078     Object construct(ExecState *exec, const List &args);
    00079
    00080     virtual Completion execute(ExecState *exec);
    00081     CodeType codeType() const { return FunctionCode; }
    00082     FunctionBodyNode *body;
    00083
    00084     virtual const ClassInfo *classInfo() const { return &info; }
    00085     static const ClassInfo info;
    00086   private:
    00087     virtual void processVarDecls(ExecState *exec);
    00088   };
    00089
    00090
    00091
    00092
    00093   class ArgumentsImp : public ObjectImp {
    00094   public:
    00095     ArgumentsImp(ExecState *exec, FunctionImp *func, const List &args);
    00096
    00097     virtual const ClassInfo *classInfo() const { return &info; }
    00098     static const ClassInfo info;
    00099   };
    00100
    00101   class ActivationImp : public ObjectImp {
    00102   public:
    00103     ActivationImp(ExecState *exec, FunctionImp *f, const List &args);
    00104     ~ActivationImp();
    00105
    00106     Object argumentsObject() { return Object(arguments); }
    00107
    00108     virtual const ClassInfo *classInfo() const { return &info; }
    00109     static const ClassInfo info;
    00110   private:
    00111     ObjectImp* arguments;
    00112   };
    00113
    00114   class GlobalFuncImp : public InternalFunctionImp {
    00115   public:
    00116     GlobalFuncImp(ExecState *exec, FunctionPrototypeImp *funcProto, int i, int len);
    00117     virtual bool implementsCall() const;
    00118     virtual Value call(ExecState *exec, Object &thisObj, const List &args);
    00119     virtual CodeType codeType() const;
    00120     enum { Eval, ParseInt, ParseFloat, IsNaN, IsFinite, Escape, UnEscape };
    00121   private:
    00122     int id;
    00123   };
    00124
    00125
    00126
    00127 } // namespace
    00128
    00129 #endif

This file is part of the documentation for kdelibs Version 3.1.5.
Documentation copyright © 1996-2002 the KDE developers.
Generated on Wed Jan 28 13:08:20 2004 by doxygen 1.3.4 written by Dimitri van Heesch, © 1997-2001