/* * $Id$ */ /* * Harbour Project source code: * Header file for Class commands * * Copyright 1999 Antonio Linares * www - http://www.harbour-project.org * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version, with one exception: * * The exception is that if you link the Harbour Runtime Library (HRL) * and/or the Harbour Virtual Machine (HVM) with other files to produce * an executable, this does not by itself cause the resulting executable * to be covered by the GNU General Public License. Your use of that * executable is in no way restricted on account of linking the HRL * and/or HVM code into it. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit * their web site at http://www.gnu.org/). * */ /* * The following parts are Copyright of the individual authors. * www - http://www.harbour-project.org * * Copyright 2000 JF Lefebvre and RA Cuylen * Support for Class(y), TopClass and Visual Object compatibility * Support for MI (multiple inheritance), * Scoping (Protect, Hidden and Readonly), * Delegating, DATA Shared * Support of 10 Chars limits * * See doc/license.txt for licensing terms. * */ #ifndef HB_CLASS_CH_ #define HB_CLASS_CH_ #include "hbsetup.ch" #include "hboo.ch" /* You can actually define one or all the syntax, they do not collide each other */ /* There is some difference with their original form and I hope I will have enough */ /* time to document it */ /* This is work in progress ... */ /* FWOBJECT AND CLASSY compatibility are the base of this work */ /* VO is just here as I like it's way of */ /* instanciating object but there is only a very few VO keywords here :-( */ /* TOPCLASS is better implemented because I like the way some Classy command */ /* are simplified */ /* There is also a big common block extending in fact each of the four base syntax */ /* it seem actually impossible to completely separate it without creating */ /* four differents include file (what I would not see in fact ) */ #ifndef HB_CLS_FWO #ifndef HB_CLS_CSY #ifndef HB_CLS_VO #ifndef HB_CLS_TOP /* IF NOTHING DECIDED BY THE PROGRAMER USE ALL */ #define HB_CLS_FWO #define HB_CLS_CSY #define HB_CLS_VO #define HB_CLS_TOP #endif #endif #endif #endif #xtranslate HBCLSCHOICE( , , ) => iif( , HB_OO_CLSTP_EXPORTED , iif( , HB_OO_CLSTP_PROTECTED, iif( , HB_OO_CLSTP_HIDDEN, nScope) ) ) /* CLASSY SYNTAX */ #IFDEF HB_CLS_CSY #xtranslate CREATE CLASS => CLASS #endif #ifndef HB_SHORTNAMES #xcommand CLASS [ [,] ] [] => ; function () ;; static s_oClass ;; local nScope := HB_OO_CLSTP_EXPORTED ;; if s_oClass == NIL ;; s_oClass := TClass():New( <(ClassName)>, __CLS_PARAM([ <(SuperClass1)> ] [ ,<(SuperClassN)> ] ) ) ;; #undef _CLASS_NAME_ ;; #define _CLASS_NAME_ ;; #translate CLSMETH () => @_() ; [ ; #translate Super( ) : => ::: ] ; [ ; #translate Super( ) : => ::: ] ; [ ; #translate Super() : => ::: ] ; [ ; #translate Super : => ::: ] ; [ ; REQUEST ] [ , ] #else #xcommand CLASS [ [,] ] [] => ; function () ;; static s_oClass ;; local nScope := HB_OO_CLSTP_EXPORTED ;; if s_oClass == NIL ;; s_oClass := TClass():New( <(ClassName)>, __CLS_PARAM([ <(SuperClass1)> ] [ ,<(SuperClassN)> ] ) ) ;; #undef _CLASS_NAME_ ;; #define _CLASS_NAME_ ;; #translate CLSMETH () => @() ; [ ; #translate Super( ) : => ::: ] ; [ ; #translate Super( ) : => ::: ] ; [ ; #translate Super() : => ::: ] ; [ ; #translate Super : => ::: ] ; [ ; REQUEST ] [ , ] #endif /* HB_SHORTNAMES */ /* CLASSY SYNTAX */ #IFDEF HB_CLS_CSY /* Classy compatibility */ #xtranslate :CLASS => #xtranslate :CLASS: => : #xcommand VAR [ TYPE ] [ ASSIGN ] [] [] [