252 lines
6.9 KiB
C
252 lines
6.9 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Debugging functions for LOCAL and STATIC variables
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*
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* Copyright 1999 Eddie Runia <eddie@runia.com>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version, with one exception:
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*
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* The exception is that if you link the Harbour Runtime Library (HRL)
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* and/or the Harbour Virtual Machine (HVM) with other files to produce
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* an executable, this does not by itself cause the resulting executable
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* to be covered by the GNU General Public License. Your use of that
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* executable is in no way restricted on account of linking the HRL
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* and/or HVM code into it.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
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* their web site at http://www.gnu.org/).
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*
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*/
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/* $Doc$
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* $Description$ Debug functions.
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* $Requirement$ source\rtl\itemapi.c (1999/05/04)
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* $Date$ 1999/05/06
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* $End$ */
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#include "extend.h"
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#include "itemapi.h"
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/* $Doc$
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* $FuncName$ <aStat> __aStatic()
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* $Description$ Return the statics array
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*
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* Please aClone before assignments
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* $End$ */
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HARBOUR HB___ASTATIC( void )
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{
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PHB_ITEM pStatics = hb_arrayClone( &aStatics );
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hb_itemCopy( &stack.Return, pStatics );
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hb_itemRelease( pStatics );
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}
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/* $Doc$
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* $FuncName$ <xStat> __Static(<nStatic>)
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* $Description$ Return a specified statics
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* $End$ */
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HARBOUR HB___STATIC( void )
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{
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USHORT uiStatic = hb_parni( 1 );
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PHB_ITEM pStatic = aStatics.item.asArray.value->pItems +
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stack.iStatics + uiStatic - 1;
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hb_itemReturn( pStatic );
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}
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/* $Doc$
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* $FuncName$ AddToArray( <pItem>, <pReturn>, <uiPos> )
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* $Description$ Add <pItem> to array <pReturn> at pos <uiPos>
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* $End$ */
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static void AddToArray( PHB_ITEM pItem, PHB_ITEM pReturn, ULONG ulPos )
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{
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PHB_ITEM pTemp;
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if( pItem->type == IT_SYMBOL )
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{ /* Symbol is pushed as text */
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pTemp = hb_itemNew( NULL ); /* Create temporary string */
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pTemp->type = IT_STRING;
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pTemp->item.asString.length = strlen( pItem->item.asSymbol.value->szName ) + 2;
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pTemp->item.asString.value = ( char * ) hb_xgrab( pTemp->item.asString.length + 1 );
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sprintf( pTemp->item.asString.value, "[%s]", pItem->item.asSymbol.value->szName );
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hb_itemArrayPut( pReturn, ulPos, pTemp );
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hb_itemRelease( pTemp ); /* Get rid of temporary str.*/
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}
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else /* Normal types */
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hb_itemArrayPut( pReturn, ulPos, pItem );
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}
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/* $Doc$
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* $FuncName$ <nVars> __GlobalStackLen()
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* $Description$ Returns the length of the global stack
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* $End$ */
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static USHORT GlobalStackLen( void )
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{
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PHB_ITEM pItem;
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USHORT uiCount = 0;
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for( pItem = stack.pItems; pItem++ <= stack.pPos; uiCount++ );
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return uiCount;
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}
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HARBOUR HB___GLOBALSTACKLEN( void )
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{
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hb_retni( GlobalStackLen() );
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}
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/* $Doc$
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* $FuncName$ <aStack> __aGlobalStack()
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* $Description$ Returns the global stack
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* $End$ */
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HARBOUR HB___AGLOBALSTACK( void )
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{
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PHB_ITEM pReturn;
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PHB_ITEM pItem;
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USHORT uiLen = GlobalStackLen();
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USHORT uiPos = 1;
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pReturn = hb_itemArrayNew( uiLen ); /* Create a transfer array */
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for( pItem = stack.pItems; pItem <= stack.pPos; pItem++ )
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AddToArray( pItem, pReturn, uiPos++ );
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hb_itemReturn( pReturn );
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hb_itemRelease( pReturn );
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}
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/* $Doc$
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* $FuncName$ <nVars> __StackLen()
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* $Description$ Returns the length of the stack of the calling function
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* $End$ */
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static USHORT StackLen( void )
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{
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PHB_ITEM pItem;
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PHB_ITEM pBase = stack.pItems + stack.pBase->item.asSymbol.stackbase;
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USHORT uiCount = 0;
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for( pItem = pBase; pItem < stack.pBase; pItem++, uiCount++ );
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return uiCount;
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}
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HARBOUR HB___STACKLEN( void )
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{
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hb_retni( StackLen() );
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}
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/* $Doc$
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* $FuncName$ <aStack> __aStack()
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* $Description$ Returns the stack of the calling function
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* "[<symbol>]" Means symbol.
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*
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* [1] Symbol of current function
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* [2] Self | NIL
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* [3 .. x] Parameters
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* [x+1 .. y] Locals
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* [y+1 ..] Pushed data
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* $End$ */
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HARBOUR HB___ASTACK( void )
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{
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PHB_ITEM pReturn;
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PHB_ITEM pItem;
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PHB_ITEM pBase = stack.pItems + stack.pBase->item.asSymbol.stackbase;
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USHORT uiLen = StackLen();
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USHORT uiPos = 1;
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pReturn = hb_itemArrayNew( uiLen ); /* Create a transfer array */
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for( pItem = pBase; pItem < stack.pBase; pItem++ )
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AddToArray( pItem, pReturn, uiPos++ );
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hb_itemReturn( pReturn );
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hb_itemRelease( pReturn );
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}
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/* $Doc$
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* $FuncName$ <aParam> __aParam()
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* $Description$ Returns the passed parameters of the calling function
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* $End$ */
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/* TODO : put bLocals / bParams */
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/* somewhere for declared parameters */
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/* and locals */
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HARBOUR HB___APARAM( void )
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{
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PHB_ITEM pReturn;
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PHB_ITEM pItem;
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PHB_ITEM pBase = stack.pItems + stack.pBase->item.asSymbol.stackbase;
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/* Skip function + self */
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USHORT uiLen = pBase->item.asSymbol.paramcnt;
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USHORT uiPos = 1;
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pReturn = hb_itemArrayNew( uiLen ); /* Create a transfer array */
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for( pItem = pBase + 2; uiLen--; pItem++ )
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AddToArray( pItem, pReturn, uiPos++ );
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hb_itemReturn( pReturn );
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hb_itemRelease( pReturn );
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}
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/* -------------------------------------------------------------------------- */
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/* $DOC$
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* $FUNCNAME$
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* __GETLOCAL()
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* $CATEGORY$
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* Variable management
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* $ONELINER$
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* $SYNTAX$
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* __GETLOCAL( <nProcLevel>, <nLocal> )
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* $ARGUMENTS$
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* <nProcLevel> Is the procedure level, same as used in ProcName()
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* and ProcLine(), from which a local variable containts is going to
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* be retrieved.
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* <nLocal> Is the index of the local variable to retrieve.
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* $RETURNS$
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* The containts of a specific local variable
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* $DESCRIPTION$
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* This function is used from the debugger
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* $STATUS$
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*
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* $COMPLIANCE$
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*
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* $SEEALSO$
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*
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* $END$
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*/
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HARBOUR HB___GETLOCAL( void )
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{
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int iLevel = hb_parni( 1 ) + 1;
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PHB_ITEM pBase = stack.pBase;
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while( ( iLevel-- > 0 ) && pBase != stack.pItems )
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pBase = stack.pItems + pBase->item.asSymbol.stackbase;
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hb_itemReturn( pBase + 1 + hb_parni( 2 ) );
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}
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