DTREG_OBJ* DtregObj( // LOCATE RW_DTREG_OBJ SYMBOL
FN_CTL* fctl ) // - current function information
{
DTREG_OBJ* curr; // - current entry
DTREG_OBJ* obj; // - entry for function
obj = NULL;
RingIterBeg( ringDtregObj, curr ) {
if( ! curr->in_use ) {
obj = curr;
break;
}
} RingIterEnd( curr )
if( obj == NULL ) {
obj = RingCarveAlloc( carveDTREG_OBJ, &ringDtregObj );
obj->cg_sym = NULL;
}
if( ! DtmTabular( fctl ) ) {
obj->sym = NULL;
} else {
if( obj->cg_sym == NULL ) {
obj->cg_sym = CgVarRw( 3 * CgbkInfo.size_data_ptr, SC_AUTO );
AutoRelRegister( obj->cg_sym, &obj->offset );
}
obj->sym = obj->cg_sym;
}
obj->in_use = TRUE;
return obj;
}
static cg_name genCtorFlagClr( // CLEAR CTOR FLAGGING
cg_name expr, // - current expression
cg_type type, // - expression type
SE* se ) // - state entry for ctor'ed object
{
FN_CTL* fctl = FnCtlTop(); // - function information
CTOR_FLAG_SET* cfs; // - call-back data
if( DtmTabular( fctl ) ) {
cfs = CarveAlloc( carve_ctor_flag );
cfs->se = se;
expr = CgComma( ctorFlagSet( fctl, O_AND, &cfs->ph_clr )
, expr
, type );
expr = CgCallBackRight( expr, &callBackCtorFlag, cfs, type );
}
return expr;
}
SE* DtorForDelBeg( // DTORING AREA TO BE DELETED: start
FN_CTL* fctl, // - function information
target_size_t elem_size, // - size of one element in area
unsigned dlt1, // - entry type when one arg
unsigned dlt2, // - entry type when two args
SYMBOL op_del ) // - operator delete to be used
{
SE* se_dlt; // - entry allocated
SYMBOL var; // - var containing address of delete area
cg_name top_expr; // - top expression
cg_type top_type; // - type of top expression
cg_name emit; // - expression for state update
patch_handle patch; // - patch handle for area
if( DtmTabular( fctl ) ) {
if( 2 == SymFuncArgList( op_del )->num_args ) {
se_dlt = SeAlloc( dlt2 );
se_dlt->del_2_array.size = elem_size;
} else {
se_dlt = SeAlloc( dlt1 );
}
se_dlt->del_1_array.op_del = op_del;
var = CgVarRw( TY_POINTER, SC_AUTO );
if( se_dlt->base.gen ) {
AutoRelRegister( var, &se_dlt->del_1_array.offset );
}
top_expr = CgExprPopType( &top_type );
top_expr = CGLVAssign( CgSymbol( var ), top_expr, top_type );
top_expr = CgFetchType( top_expr, top_type );
emit = emitPatch( &patch );
top_expr = emitPatchCallBack( top_expr
, emit
, top_type
, &patchForDtorDelBeg
, patch
, se_dlt );
CgExprPush( top_expr, top_type );
DbgSetState( "patchForDtorDelBeg", se_dlt );
} else {
se_dlt = NULL;
}
return se_dlt;
}
void DtorForDelEnd( // DTORING AREA TO BE DELETED: end
FN_CTL* fctl, // - function information
SE* se_dlt ) // - entry
{
cg_name emit; // - expression for state update
patch_handle patch; // - patch handle for area
cg_name top_expr; // - top expression
cg_type top_type; // - type of top expression
if( DtmTabular( fctl ) ) {
DbgVerify( se_dlt != NULL, "DtorForDelEnd -- NULL entry" );
emit = emitPatch( &patch );
top_expr = CgExprPopType( &top_type );
top_expr = emitPatchCallBack( top_expr
, emit
, top_type
, &patchForDtorDelEnd
, patch
, se_dlt );
CgExprPush( top_expr, top_type );
}
}