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harbour-core/harbour/include/hbclass.ch
1999-12-15 09:58:43 +00:00

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/*
* $Id$
*/
/*
* Harbour Project source code:
* Header file for Class commands
*
* Copyright 1999 Antonio Linares <alinares@fivetech.com>
* 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/).
*
*/
#ifndef HB_CLASS_CH_
#define HB_CLASS_CH_
#xcommand CLASS <ClassName> [ <frm: FROM, INHERIT> <SuperClass> ] => ;
function <ClassName>() ;;
static oClass ;;
if oClass == nil ;;
oClass = TClass():New( <(ClassName)> [,<(SuperClass)>] ) ;;
#define _CLASS_NAME_ <ClassName> ;;
#translate CLSMETH <ClassName> <MethodName>() => @<ClassName>_<MethodName>() ;
[ ; #translate Super : => ::<SuperClass>: ] ;
[ ; extern <SuperClass> ]
#xcommand DATA <DataName1> [,<DataNameN>] [ AS <type> ] [ INIT <uValue> ] => ;
[ oClass:SetType( <(type)> ) ; ][ oClass:SetInit( <uValue> ) ; ] ;
oClass:AddData( <(DataName1)> ) ;
[; oClass:AddData( <(DataNameN)> ) ] ;
[; oClass:SetInit(,<uValue>) ] [ ; oClass:SetType(,<(type)>) ]
// Note the use of commas ',' on the above two rules to avoid their call
// if there are no AS ... or INIT clauses specified. As we just use
// those methods first parameter, the second one supplied acts as a dummy one
#xcommand CLASSDATA <DataName1> [,<DataNameN>] [ AS <type> ] [ INIT <uValue> ] => ;
[ oClass:SetType( <(type)> ) ; ][ oClass:SetInit( <uValue> ) ; ] ;
oClass:AddClassData( <(DataName1)> ) ;
[; oClass:AddClassData( <(DataNameN)> ) ] ;
[; oClass:SetInit(,<uValue>) ] [ ; oClass:SetType(,<(type)>) ]
// Note the use of commas ',' on the above two rules to avoid their call
// if there are no AS ... or INIT clauses specified. As we just use
// those methods first parameter, the second one supplied acts as a dummy one
#xcommand METHOD <MethodName>( [<params,...>] ) [ CONSTRUCTOR ] => ;
oClass:AddMethod( <(MethodName)>, CLSMETH _CLASS_NAME_ <MethodName>() )
#xcommand METHOD <MethodName>( [<params,...>] ) BLOCK <CodeBlock> => ;
oClass:AddInline( <(MethodName)>, <CodeBlock> )
#xcommand METHOD <MethodName>( [<params,...>] ) EXTERN <FuncName>( [<params,...>] ) => ;
oClass:AddMethod( <(MethodName)>, @<FuncName>() )
#xcommand METHOD <MethodName>( [<params,...>] ) INLINE <Code,...> => ;
oClass:AddInline( <(MethodName)>, {|Self [,<params>] | <Code> } )
#xcommand METHOD <MethodName>( [<params,...>] ) VIRTUAL => ;
oClass:AddVirtual( <(MethodName)> )
#xcommand METHOD <MethodName>( [<params,...>] ) SETGET => ;
oClass:AddMethod( <(MethodName)>, CLSMETH _CLASS_NAME_ <MethodName>() ) ;;
oClass:AddMethod( "_" + <(MethodName)>, CLSMETH _CLASS_NAME_ <MethodName>() )
#xcommand METHOD <MethodName>( [<param>] ) OPERATOR <op> => ;
oClass:AddMethod( <(MethodName)>, CLSMETH _CLASS_NAME_ <MethodName>() ) ;;
oClass:AddInline( <(op)>, {|Self [,<param>] | ::<MethodName>( [<param>] ) } )
#xcommand MESSAGE <MessageName> METHOD <MethodName>( [<params,...>] ) => ;
oClass:AddMethod( <(MessageName)>, CLSMETH _CLASS_NAME_ <MethodName>() )
#xcommand MESSAGE <MessageName>() METHOD <MethodName>( [<params,...>] ) => ;
oClass:AddMethod( <(MessageName)>, CLSMETH _CLASS_NAME_ <MethodName>() )
#xcommand ERROR HANDLER <MethodName>( [<params,...>] ) => ;
oClass:SetOnError( CLSMETH _CLASS_NAME_ <MethodName>() )
#xcommand ON ERROR <MethodName>( [<params,...>] ) => ;
oClass:SetOnError( CLSMETH _CLASS_NAME_ <MethodName>() )
#xcommand ENDCLASS => oClass:Create() ;;
endif ;;
return oClass:Instance()
#xcommand METHOD <MethodName>( [<params,...>] ) CLASS <ClassName> => ;
static function <ClassName>_<MethodName>( [<params>] ) ;;
local Self := QSelf()
#endif /* HB_CLASS_CH_ */