Files
harbour-core/harbour/source/vm/eval.c

87 lines
2.9 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* EVAL() functions and DO command
*
* Copyright 1999 Ryszard Glab <rglab@imid.med.pl>
* 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, 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. 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 "hbapi.h"
#include "hbapiitm.h"
#include "hbapierr.h"
#include "hbvm.h"
#include "hbstack.h"
HB_FUNC( EVAL )
{
PHB_ITEM pItem = hb_param( 1, HB_IT_BLOCK );
if( pItem )
{
USHORT uiPCount = hb_pcount();
USHORT uiParam;
hb_vmPushSymbol( &hb_symEval );
hb_vmPush( pItem );
/* NOTE: hb_param() function cannot be used for parameter access
* because we need to pass the references too.
* hb_param() is dereferencing the passed parameters
*/
for( uiParam = 2; uiParam <= uiPCount; uiParam++ )
{
hb_vmPush( hb_stackItemFromBase( uiParam ) );
}
hb_vmDo( uiPCount - 1 );
}
else
{
hb_errRT_BASE_SubstR( EG_NOMETHOD, 1004, NULL, "EVAL", 1, hb_paramError( 1 ) );
}
}