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harbour-core/harbour/include/hbapiitm.h
Ryszard Glab d947f68c8e 2005-11-07 14:35 UTC+0100 Ryszard Glab <rglab@imid.med.pl> 
* include/hbapi.h
   * include/hbapiitm.h
   * include/hbcomp.h
   * include/hberrors.h
   * include/hbexpra.c
   * include/hbpcode.h
   * include/hbsetup.h
   * source/common/expropt1.c
   * source/compiler/expropta.c
   * source/compiler/genc.c
   * source/compiler/gencli.c
   * source/compiler/harbour.c
   * source/compiler/harbour.l
   * source/compiler/harbour.y
   * source/compiler/hbfix.c
   * source/compiler/hbgenerr.c
   * source/compiler/hbpcode.c
   * source/macro/macroa.c
   * source/vm/hvm.c
   * source/vm/itemapi.c
   + tests/foreach.prg
      + added support for FOR EACH loop
         FOR EACH var1 [,var255] IN expr1 [,expr255] [DESCEND]
         NEXT

         Note:
            -expr can be a string or an array
               if it is a string then assigments to the control
               variable does not change the string
            -after the loop the controlling variable(s) store the
             value which they had before entering the loop
            -the controlling variable supports the following properties
             :__enumindex - the loop counter for variable
             :__enumbase  - the value that is being traversed
             :__enumvalue - the value of variable
            -see tests/foreach.prg for examples

      + added warnings in cases of duplicated loop variables
       eg. FOR i:=1 TO 5
            FOR i:=i TO i+5

      -removed strong typing in the compiler (xHarbour too)
      (reactivate it by compiling with -DHB_COMP_STRONG_TYPES)

NOTE:
   The new pcodes were added - rebuild everything
2005-11-07 13:28:40 +00:00

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/*
* $Id$
*/
/*
* Harbour Project source code:
* Header file for the Item API
*
* 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, 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.
*
*/
#ifndef HB_APIITM_H_
#define HB_APIITM_H_
#include "hbapi.h"
HB_EXTERN_BEGIN
#define HB_EVAL_PARAM_MAX_ 9
typedef struct
{
USHORT paramCount;
PHB_ITEM pItems[ HB_EVAL_PARAM_MAX_ + 1 ];
} EVALINFO, * PEVALINFO, * EVALINFO_PTR;
extern PHB_ITEM hb_evalLaunch ( PEVALINFO pEvalInfo );
extern BOOL hb_evalNew ( PEVALINFO pEvalInfo, PHB_ITEM pItem );
extern BOOL hb_evalPutParam ( PEVALINFO pEvalInfo, PHB_ITEM pItem );
extern BOOL hb_evalRelease ( PEVALINFO pEvalInfo );
extern PHB_ITEM hb_itemDo ( PHB_ITEM pItem, ULONG ulPCount, ... );
extern PHB_ITEM hb_itemDoC ( char * szFunc, ULONG ulPCount, ... );
extern PHB_ITEM hb_itemArrayGet ( PHB_ITEM pArray, ULONG ulIndex );
extern PHB_ITEM hb_itemArrayNew ( ULONG ulLen );
extern PHB_ITEM hb_itemArrayPut ( PHB_ITEM pArray, ULONG ulIndex, PHB_ITEM pItem );
extern ULONG hb_itemCopyC ( PHB_ITEM pItem, char * szBuffer, ULONG ulLen );
extern BOOL hb_itemFreeC ( char * szText );
extern char * hb_itemGetC ( PHB_ITEM pItem );
extern char * hb_itemGetCPtr ( PHB_ITEM pItem );
extern ULONG hb_itemGetCLen ( PHB_ITEM pItem );
extern char * hb_itemGetDS ( PHB_ITEM pItem, char * szDate );
extern long hb_itemGetDL ( PHB_ITEM pItem );
extern BOOL hb_itemGetL ( PHB_ITEM pItem );
extern double hb_itemGetND ( PHB_ITEM pItem );
extern int hb_itemGetNI ( PHB_ITEM pItem );
extern long hb_itemGetNL ( PHB_ITEM pItem );
extern HB_LONG hb_itemGetNInt ( PHB_ITEM pItem );
extern void hb_itemGetNLen ( PHB_ITEM pItem, int * piWidth, int * piDec );
extern void * hb_itemGetPtr ( PHB_ITEM pItem );
extern PHB_ITEM hb_itemNew ( PHB_ITEM pNull );
extern void hb_itemInit ( PHB_ITEM pItem );
extern USHORT hb_itemPCount ( void );
extern PHB_ITEM hb_itemParam ( USHORT uiParam );
extern PHB_ITEM hb_itemPutC ( PHB_ITEM pItem, const char * szText );
extern PHB_ITEM hb_itemPutCConst( PHB_ITEM pItem, const char * szText );
extern PHB_ITEM hb_itemPutCL ( PHB_ITEM pItem, const char * szText, ULONG ulLen );
extern PHB_ITEM hb_itemPutCPtr ( PHB_ITEM pItem, char * szText, ULONG ulLen );
extern void hb_itemSetCMemo ( PHB_ITEM pItem );
extern PHB_ITEM hb_itemPutD ( PHB_ITEM pItem, int iYear, int iMonth, int iDay );
extern PHB_ITEM hb_itemPutDS ( PHB_ITEM pItem, const char * szDate );
extern PHB_ITEM hb_itemPutDL ( PHB_ITEM pItem, long lJulian );
extern PHB_ITEM hb_itemPutL ( PHB_ITEM pItem, BOOL bValue );
extern PHB_ITEM hb_itemPutND ( PHB_ITEM pItem, double dNumber );
extern PHB_ITEM hb_itemPutNI ( PHB_ITEM pItem, int iNumber );
extern PHB_ITEM hb_itemPutNL ( PHB_ITEM pItem, long lNumber );
extern PHB_ITEM hb_itemPutNInt ( PHB_ITEM pItem, HB_LONG lNumber );
extern PHB_ITEM hb_itemPutNIntLen( PHB_ITEM pItem, HB_LONG lNumber, int iWidth );
extern PHB_ITEM hb_itemPutNLen ( PHB_ITEM pItem, double dNumber, int iWidth, int iDec );
extern PHB_ITEM hb_itemPutNDLen ( PHB_ITEM pItem, double dNumber, int iWidth, int iDec );
extern PHB_ITEM hb_itemPutNILen ( PHB_ITEM pItem, int iNumber, int iWidth );
extern PHB_ITEM hb_itemPutNLLen ( PHB_ITEM pItem, long lNumber, int iWidth );
extern PHB_ITEM hb_itemPutPtr ( PHB_ITEM pItem, void * pValue );
extern BOOL hb_itemRelease ( PHB_ITEM pItem );
extern PHB_ITEM hb_itemReturn ( PHB_ITEM pItem );
extern PHB_ITEM hb_itemReturnForward( PHB_ITEM pItem );
extern ULONG hb_itemSize ( PHB_ITEM pItem );
extern HB_TYPE hb_itemType ( PHB_ITEM pItem );
extern char * hb_itemTypeStr ( PHB_ITEM pItem );
#ifndef HB_LONG_LONG_OFF
extern LONGLONG hb_itemGetNLL ( PHB_ITEM pItem );
extern PHB_ITEM hb_itemPutNLL ( PHB_ITEM pItem, LONGLONG lNumber );
extern PHB_ITEM hb_itemPutNLLLen( PHB_ITEM pItem, LONGLONG lNumber, int iWidth );
#endif
/* Non Clipper compliant internal API */
extern PHB_ITEM hb_itemParamPtr ( USHORT uiParam, long lMask );
extern int hb_itemStrCmp ( PHB_ITEM pFirst, PHB_ITEM pSecond, BOOL bForceExact ); /* our string compare */
extern void hb_itemCopy ( PHB_ITEM pDest, PHB_ITEM pSource ); /* copies an item to one place to another respecting its containts */
extern void hb_itemForwardValue( PHB_ITEM pDest, PHB_ITEM pSource ); /* copies the value of an item without incrementing of reference counters */
extern void hb_itemMove ( PHB_ITEM pDest, PHB_ITEM pSource );
extern void hb_itemClear ( PHB_ITEM pItem );
extern PHB_ITEM hb_itemUnRef ( PHB_ITEM pItem ); /* de-references passed variable */
extern PHB_ITEM hb_itemUnRefOnce( PHB_ITEM pItem ); /* de-references passed variable, one step*/
extern PHB_ITEM hb_itemUnRefRefer( PHB_ITEM pItem ); /* de-references passed variable, leaving the last reference */
extern char * hb_itemStr ( PHB_ITEM pNumber, PHB_ITEM pWidth, PHB_ITEM pDec ); /* convert a number to a string */
extern char * hb_itemString ( PHB_ITEM pItem, ULONG * ulLen, BOOL * bFreeReq ); /* Convert any scalar to a string */
extern BOOL hb_itemStrBuf ( char *szResult, PHB_ITEM pNumber, int iSize, int iDec ); /* convert a number to a string */
extern PHB_ITEM hb_itemValToStr ( PHB_ITEM pItem ); /* Convert any scalar to a string */
extern char * hb_itemPadConv ( PHB_ITEM pItem, ULONG * pulSize, BOOL * bFreeReq );
extern void hb_itemSwap ( PHB_ITEM pItem1, PHB_ITEM pItem2 );
HB_EXTERN_END
#endif /* HB_APIITM_H_ */
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