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harbour-core/contrib/xhb/cstruct.ch
vszakats 9687850865 2013-03-16 02:10 UTC+0100 Viktor Szakats (harbour syenar.net)
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2013-03-16 02:11:42 +01:00

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/*
* xHarbour Project source code:
*
* Copyright 2000 Ron Pinkas <ronpinkas@profit-master.com>
* www - http://www.xharbour.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, or (at your option)
* any later version.
*
* 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 software; see the file COPYING.txt. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries 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 Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
#include "hbctypes.ch"
#ifndef __HBCSTRUCT_CH_
#define __HBCSTRUCT_CH_
// Exclude from C compilation
#ifdef _SET_CH
#xtranslate __ClsSetModule( <x> ) => Empty( <x> )
#xcommand C STRUCTURE <!stru!> [ALIGN <align> ] => ;
INIT PROCEDURE __INIT_<stru>; ;
__ActiveStructure( #<stru>, <align> ) ; ;
#xtranslate IS <stru> \[ \<x: :=, INIT> { \<initlist,...> } ] => := hb_CStructure( #<stru> ):Init( {\<initlist>} ); ;
#xtranslate IS <stru> FROM \<pointer> => := hb_CStructure( #<stru> ):Buffer( \<pointer> )
// <elem> instead of <!elem!> to allow ElemName[n] syntax.
#xcommand MEMBER <elem> IS <type> => hb_Member( #<elem>, <type> )
/*
Will match:
MEMBER <elem> IS <!stru!>
due to expansion of:
#xtranslate IS <stru> [...] => := hb_CStructure( #<stru> ):Init( {} )
as established by C STRUCTURE <!stru!> #xcommand for the given structure.
*/
#xcommand MEMBER <elem> := hb_CStructure( <literalstru> ):Init( {} ) => ;
hb_Member( #<elem>, hb_CStructureId( <literalstru>, .T. ) )
#xcommand MEMBER <!elem!> IS <type> ( <nlen> ) => hb_Member( #<elem>, hb_CTypeArrayId( <type>, <nlen> ) )
#xcommand MEMBER <!elem!> AS <!stru!> => ;
hb_Member( #<elem>, hb_CStructureId( #<stru>, .F. ) )
#xcommand END C STRUCTURE [<!stru!>] => ; ;
__ClsSetModule( __ActiveStructure() ); ;
RETURN
#xcommand IMPORT C STRUCTURE <!stru!> => ;
#xtranslate IS <stru> \[ \<x: :=, INIT> { \<initlist,...> } ] => := hb_CStructure( #<stru> ):Init( {\<initlist>} ); ;
#xtranslate IS <stru> FROM \<pointer> => := hb_CStructure( #<stru> ):Buffer( \<pointer> )
//----------------------------- C Syntax support ---------------------------------//
/* NOTES:
1. #pragma pack(<x>) needs to be translated to pragma pack(<X>) without the <#>.
2. First line must end with <;> so the whole definition is a single PRG line!
*/
#define __PACK 8
#xcommand typedef struct [<!tag!>] { [[struct] <elem>] } <!stru!> [, <*synon*>] => ;
INIT PROCEDURE __INIT_<stru>; ;
hb_CStructureCSyntax( #<stru>, {[#<elem>,]}, <(tag)>, <"synon">, __PACK ); ;
__ClsSetModule( __ActiveStructure() ); ;
RETURN; ;
#xtranslate IS <stru> \[ \<x: :=, INIT> { \<initlist,...> } ] => := hb_CStructure( #<stru> ):Init( {\<initlist>} ); ;
#xtranslate IS <stru> FROM \<pointer> => := hb_CStructure( #<stru> ):Buffer( \<pointer> )
#xcommand pragma pack( <pack> ) => #undef __PACK; #define __PACK <pack>
#xcommand pragma pack() => #undef __PACK; #define __PACK 8
#xtranslate ( struct <stru> ) [<buffer>] => hb_CStructure( #<stru> ):Buffer( <buffer> )
#xtranslate ( struct <stru>* ) <pointer> => hb_CStructure( #<stru> ):Pointer( <pointer> )
#endif
#endif /* __HBCSTRUCT_CH_ */