/*
wxSocketBase_ReadBase
Teo. Mexico 2009
*/
void wxSocketBase_ReadBase( HB_BYTE type )
{
PHB_ITEM pSelf = hb_stackSelfItem();
wx_SocketBase* socketBase = (wx_SocketBase*) xho_itemListGet_XHO( pSelf );
PHB_ITEM pBuffer = hb_param( 1, HB_IT_STRING );
if( pBuffer == NULL || !HB_ISBYREF( 1 ) )
{
hb_errRT_BASE_SubstR( EG_ARG, WXH_ERRBASE + 10, NULL, HB_ERR_FUNCNAME, HB_ERR_ARGS_BASEPARAMS );
return;
}
if( socketBase )
{
pBuffer = hb_itemUnShareString( pBuffer );
wxUint32 nbytes = HB_ISNIL( 2 ) ? hb_itemGetCLen( pBuffer ) : hb_parnl( 2 );
if( nbytes > 0 )
{
if( nbytes > hb_itemGetCLen( pBuffer ) )
hb_itemReSizeString( pBuffer, nbytes );
if( type == '0' )
socketBase->Read( (char *) hb_itemGetCPtr( pBuffer ), nbytes );
else
socketBase->ReadMsg( (char *) hb_itemGetCPtr( pBuffer ), nbytes );
wxUint32 uiLastCount = socketBase->LastCount();
if( uiLastCount < hb_itemGetCLen( pBuffer ) )
// hb_itemGetCLen( pBuffer ) = uiLastCount;
hb_itemReSizeString( pBuffer, uiLastCount );
}else
hb_errRT_BASE_SubstR( EG_ARG, WXH_ERRBASE + 10, NULL, HB_ERR_FUNCNAME, HB_ERR_ARGS_BASEPARAMS );
hb_itemReturn( pSelf );
}
}
/* Creates the codeblock structure
*
* pBuffer -> the buffer with pcodes (without HB_P_PUSHBLOCK)
* wLocals -> number of local variables referenced in a codeblock
* pLocalPosTable -> a table with positions on eval stack for referenced variables
* pSymbols -> a pointer to the module symbol table
*
* Note: pLocalPosTable cannot be used if uiLocals is ZERO
*/
PHB_CODEBLOCK hb_codeblockNew( const HB_BYTE * pBuffer,
HB_USHORT uiLocals,
const HB_BYTE * pLocalPosTable,
PHB_SYMB pSymbols,
HB_SIZE nLen )
{
HB_STACK_TLS_PRELOAD
PHB_CODEBLOCK pCBlock;
PHB_ITEM pLocals, pBase;
const HB_BYTE * pCode;
HB_TRACE( HB_TR_DEBUG, ( "hb_codeblockNew(%p, %hu, %p, %p, %" HB_PFS "u)", pBuffer, uiLocals, pLocalPosTable, pSymbols, nLen ) );
/* Allocate memory for code block body and detach items hb_gcAllocRaw()
* to be safe for automatic GC activation in hb_xgrab() without
* calling hb_gcLock()/hb_gcUnlock(). [druzus]
*/
if( nLen )
{
/* The codeblock pcode is stored in dynamically allocated memory that
* can be deallocated after creation of a codeblock. We have to duplicate
* the passed buffer
*/
pCode = ( const HB_BYTE * ) memcpy( hb_xgrab( nLen ), pBuffer, nLen );
}
else
{
/* The codeblock pcode is stored in static segment.
* The only allowed operation on a codeblock is evaluating it then
* there is no need to duplicate its pcode - just store the pointer to it
*/
pCode = pBuffer;
}
if( uiLocals )
{
/* NOTE: if a codeblock will be created by macro compiler then
* uiLocal have to be ZERO
* uiLocal will be also ZERO if it is a nested codeblock
*/
HB_USHORT ui = 1;
PHB_ITEM pLocal;
/* Create a table that will store the values of local variables
* accessed in a codeblock
* The element 0 is unused
* NOTE: This table can be shared by codeblocks created during
* evaluation of this codeblock
*/
pLocals = ( PHB_ITEM ) hb_xgrab( ( uiLocals + 1 ) * sizeof( HB_ITEM ) );
pLocals[ 0 ].type = HB_IT_NIL;
do
{
/* Swap the current value of local variable with the reference to this
* value.
*/
int iLocal = HB_PCODE_MKUSHORT( pLocalPosTable );
pLocal = hb_stackLocalVariable( iLocal );
pLocalPosTable += 2;
pLocal = hb_memvarDetachLocal( pLocal );
hb_itemRawCpy( pLocals + ui, pLocal );
/* Increment the reference counter so this value will not be
* released if other codeblock will be deleted
*/
hb_memvarValueIncRef( pLocal->item.asMemvar.value );
}
while( ++ui <= uiLocals );
}
else
{
/* Check if this codeblock is created during evaluation of another
* codeblock - all inner codeblocks use the local variables table
* created during creation of the outermost codeblock
*/
PHB_ITEM pLocal;
pLocal = hb_stackSelfItem();
if( HB_IS_BLOCK( pLocal ) )
{
PHB_CODEBLOCK pOwner = pLocal->item.asBlock.value;
uiLocals = pOwner->uiLocals;
pLocals = pOwner->pLocals;
if( pLocals )
hb_xRefInc( pLocals );
}
else
pLocals = NULL;
}
pBase = hb_stackBaseItem();
pCBlock = ( PHB_CODEBLOCK ) hb_gcAllocRaw( sizeof( HB_CODEBLOCK ), &s_gcCodeblockFuncs );
pCBlock->pCode = pCode;
pCBlock->dynBuffer = nLen != 0;
pCBlock->pDefSymb = pBase->item.asSymbol.stackstate->uiClass ?
hb_clsMethodSym( pBase ) : pBase->item.asSymbol.value;
pCBlock->pSymbols = pSymbols;
pCBlock->pStatics = hb_stackGetStaticsBase();
pCBlock->uiLocals = uiLocals;
pCBlock->pLocals = pLocals;
HB_TRACE( HB_TR_INFO, ( "codeblock created %p", pCBlock ) );
return pCBlock;
}
