static void
hbgihb_init(void *dummy)
{
HB_SYMBOL_UNUSED(dummy);
if (!s_pDyns__CLSNEW) {
PHB_SYMB pExecSym = hb_symbolNew("__CLSADDMSG");
pExecSym->value.pFunPtr = HB_FUNCNAME(__CLSADDMSG);
s_pDyns__CLSADDMSG = hb_dynsymNew(pExecSym);
pExecSym = hb_symbolNew("__CLSNEW");
pExecSym->value.pFunPtr = HB_FUNCNAME(__CLSNEW);
s_pDyns__CLSNEW = hb_dynsymNew(pExecSym);
}
}
PHB_DYNS hb_dynsymGetWithNamespaces( const char * szName, const char * pNamespaces ) /* finds and creates a symbol if not found CASE INSENSITIVE! */
{
HB_THREAD_STUB_STACK
PHB_DYNS pDynSym;
HB_TRACE( HB_TR_DEBUG, ( "hb_dynsymGetCase(%s)", szName ) );
/* TraceLog( NULL, "Searching: %s\n", szName );
*/
/* JC1: read the notice for hb_dynsymGet() */
hb_dynsymLock();
pDynSym = hb_dynsymFindNameWithNamespaces( szName, pNamespaces );
if( ! pDynSym ) /* Does it exists ? */
{
/* TraceLog( NULL, "Creating: %s\n", szName );
*/
pDynSym = hb_dynsymNew( hb_symbolNew( szName ), HB_GETMODULESYM() ); /* Make new symbol */
pDynSym->pSymbol->scope.value = HB_FS_PUBLIC;
}
hb_dynsymUnlock();
/* TraceLog( NULL, "Returning: %p\n", pDynSym );
*/
return pDynSym;
}
HB_BOOL
hbgi_hb_clsAddMsg(HB_USHORT uiClass, const char *szMessage, HB_USHORT uiType, HB_USHORT uiScope, PHB_FUNC pFuncPtr, PHB_ITEM pInit)
{
PHB_SYMB pExecSym = hb_symbolNew("");
PHB_ITEM pFuncItem;
pExecSym->value.pFunPtr = pFuncPtr;
pFuncItem = hb_itemPutSymbol(NULL, pExecSym);
hbgi_hb_clsAddMsgNative(uiClass, szMessage, uiType, uiScope, pFuncItem, pInit);
hb_itemRelease(pFuncItem);
return HB_TRUE;
}
PHB_DYNS hb_dynsymGet( const char * szName ) /* finds and creates a symbol if not found */
{
HB_THREAD_STUB_STACK
/* make a copy as we may get a const string, then turn it to uppercase */
char szUprName[ HB_SYMBOL_NAME_LEN + 1 ];
PHB_DYNS pDynSym;
HB_TRACE( HB_TR_DEBUG, ( "hb_dynsymGet(%s)", szName ) );
{
register int iLen = HB_SYMBOL_NAME_LEN;
char * pDest = szUprName;
do
{
register char cChar = *szName++;
if( cChar == 0 || cChar == ' ' || cChar == '\t' )
break;
else if( cChar >= 'a' && cChar <= 'z' )
*pDest++ = cChar - ( 'a' - 'A' );
else
*pDest++ = cChar;
}
while( --iLen );
*pDest = '\0';
}
/* JC1: Notice, locking this function MAY seem useless but it is not.
Suppose two threads calling this functon with the same szUprName: both
of them may find ! pDynSym, and both of them may proceed to hb_dynsymNew().
Although this operation would suceed, one of the threas would get an
invalid reference, and we would have a memory leak, as one of the
two dynsymNew() would be overriden
*/
hb_dynsymLock();
pDynSym = hb_dynsymFind( ( char * ) szUprName );
if( ! pDynSym ) /* Does it exists ? */
{
/* TraceLog( NULL, "*** Did NOT find >%s< - CREATED New!\n", szUprName );
*/
pDynSym = hb_dynsymNew( hb_symbolNew( ( char * ) szUprName ), HB_GETMODULESYM() ); /* Make new symbol */
pDynSym->pSymbol->scope.value = HB_FS_PUBLIC;
}
hb_dynsymUnlock();
return pDynSym;
}
PHB_DYNS hb_dynsymNew( PHB_SYMB pSymbol, PSYMBOLS pModuleSymbols ) /* creates a new dynamic symbol */
{
HB_THREAD_STUB
PHB_DYNS pDynSym;
HB_TRACE( HB_TR_DEBUG, ( "hb_dynsymNew(%p, %p)", pSymbol, pModuleSymbols ) );
hb_dynsymLock();
pDynSym = hb_dynsymFind( pSymbol->szName ); /* Find position */
if( pDynSym ) /* If name exists */
{
assert( 0 );
if( ( pSymbol->scope.value & HB_FS_LOCAL ) == HB_FS_LOCAL )
{
#if 0
assert( pModuleSymbols );
if( pDynSym->pModuleSymbols )
TraceLog( NULL, "Symbol: '%s' was previously defined at Module: '%s'\n", pSymbol->szName, pDynSym->pModuleSymbols->szModuleName );
#endif
/* if( pSymbol->value.pFunPtr && pDynSym->pSymbol->value.pFunPtr == NULL )
*/
{
#if 0
/* reenabled - it's still wrong, Druzus */
/* see note below */
/* register only non static functions */
if( ( pSymbol->scope.value & ( HB_FS_STATIC | HB_FS_INITEXIT ) ) == HB_FS_STATIC )
{
assert( 0 );
TraceLog( NULL, "Rejecting: %s in %s\n", pSymbol->szName, pModuleSymbols ? pModuleSymbols->szModuleName : "" );
}
else
#endif
{
/* This is the symbol of the function definition module.
*/
assert( pSymbol->value.pFunPtr );
pDynSym->pSymbol = pSymbol;
}
}
pDynSym->pModuleSymbols = pModuleSymbols;
/* TraceLog( NULL, "Symbol: '%s' DEFINED in Module: '%s'\n", pSymbol->szName, pModuleSymbols ? pModuleSymbols->szModuleName : "" );
*/
}
pSymbol->pDynSym = pDynSym; /* place a pointer to DynSym */
hb_dynsymUnlock();
return pDynSym; /* Return pointer to DynSym */
}
if( s_uiDynSymbols == 0 ) /* Do we have any symbols ? */
{
pDynSym = s_pDynItems[ 0 ].pDynSym; /* Point to first symbol */
/* *<1>* Remember we already got this one */
}
else /* We want more symbols ! */
{
s_pDynItems = ( PDYNHB_ITEM ) hb_xrealloc( s_pDynItems, ( s_uiDynSymbols + 1 ) * sizeof( DYNHB_ITEM ) );
if( s_uiClosestDynSym <= s_uiDynSymbols ) /* Closest < current !! */
{ /* Here it goes :-) */
register UINT uiPos;
for( uiPos = 0; uiPos < ( UINT ) ( s_uiDynSymbols - s_uiClosestDynSym ); uiPos++ )
{
/* Insert element in array */
HB_MEMCPY( &s_pDynItems[ s_uiDynSymbols - uiPos ], &s_pDynItems[ s_uiDynSymbols - uiPos - 1 ], sizeof( DYNHB_ITEM ) );
}
}
pDynSym = ( PHB_DYNS ) hb_xgrab( sizeof( HB_DYNS ) );
s_pDynItems[ s_uiClosestDynSym ].pDynSym = pDynSym; /* Enter DynSym */
}
s_uiDynSymbols++; /* Got one more symbol */
pDynSym->hMemvar = 0;
pDynSym->hArea = 0;
#ifndef HB_NO_PROFILER
pDynSym->ulCalls = 0; /* profiler support */
pDynSym->ulTime = 0; /* profiler support */
pDynSym->ulRecurse = 0;
#endif
#if 0
/* now the compiler creates separate symbols for functions and
* fields/memvars/aliases so we should not have any problem here
* and this code is not necessary but I decide to left it here
* disabled at least for debugging.
*/
if( pSymbol->value.pFunPtr && ( pSymbol->scope.value & ( HB_FS_STATIC | HB_FS_INITEXIT ) ) == HB_FS_STATIC )
{
/*
* This symbol points to static function - we cannot register
* such symbols in global dynsyms because we may have more
* static functions with the same name and non static one
* registered later - the static function should be directly
* accessible _ONLY_ from their modules.
* So we will clone this symbol.
*/
assert( 0 );
TraceLog( NULL, "Cloned: %s in %s\n", pSymbol->szName, pModuleSymbols ? pModuleSymbols->szModuleName : "" );
pSymbol->pDynSym = pDynSym; /* place a pointer to DynSym in original symbol */
pSymbol = hb_symbolNew( pSymbol->szName ); /* clone the symbol */
}
#endif
/* TraceLog( NULL, "Symbol: '%s' IMPORTED in Module: '%s'\n", pSymbol->szName, pModuleSymbols ? pModuleSymbols->szModuleName : "" );
*/
if( ( pSymbol->scope.value & HB_FS_LOCAL ) == HB_FS_LOCAL )
{
/* This is the true local symbol
*/
assert( pSymbol->value.pFunPtr );
assert( pModuleSymbols );
pDynSym->pModuleSymbols = pModuleSymbols;
/* TraceLog( NULL, "Symbol: '%s' DEFINED in Module: '%s'\n", pSymbol->szName, pModuleSymbols ? pModuleSymbols->szModuleName : "" );
*/
}
else
{
pDynSym->pModuleSymbols = NULL;
}
pDynSym->pSymbol = pSymbol;
pSymbol->pDynSym = pDynSym; /* place a pointer to DynSym */
hb_dynsymUnlock();
return pDynSym;
}
