extern "C" closure builtin_function_reapply(OperationArgs& Args)
{
int index1 = Args.reference(0).as_index_var();
int R1 = Args.current_closure().lookup_in_env( index1 );
int index2 = Args.reference(1).as_index_var();
int R2 = Args.current_closure().lookup_in_env( index2 );
expression_ref apply_E;
{
expression_ref fE = index_var(1);
expression_ref argE = index_var(0);
apply_E = (fE, argE);
}
// %1 %0 {R1,R2}
int apply_reg = Args.allocate({apply_E,{R1, R2}});
// FIXME - aren't we trying to eliminate general evaluation of regs that aren't children? See below:
// Evaluate the newly create application reg - and depend upon it!
if (Args.evaluate_changeables())
Args.evaluate_reg_to_object(apply_reg);
return {index_var(0),{apply_reg}};
}
extern "C" closure builtin_function_new_random_modifiable(OperationArgs& Args)
{
// assert(not Args.evaluate_changeables());
reg_heap& M = Args.memory();
int R1 = Args.reg_for_slot(0);
int R2 = Args.reg_for_slot(1);
int V = Args.reg_for_slot(2);
int rate = Args.reg_for_slot(3);
// Allocate a reg, and fill it with a modifiable of the correct index
expression_ref E(new expression(modifiable(),{index_var(2),index_var(1),index_var(0)}));
closure C{E,{R2,R1,rate}};
int r = Args.allocate(std::move(C));
M.make_reg_changeable(r);
M.set_shared_value(r,V);
M.add_random_modifiable(r);
// Return a reference to the new modifiable.
return {index_var(0),{r}};
}
extern "C" closure builtin_function_new_modifiable(OperationArgs& Args)
{
assert(not Args.evaluate_changeables());
reg_heap& M = Args.memory();
int D = Args.reg_for_slot(0);
// Allocate a reg, and fill it with a modifiable of the correct index
expression_ref E(new expression(modifiable(),{index_var(0)}));
closure C{E,{D}};
int R1 = Args.allocate(std::move(C));
M.make_reg_changeable(R1);
// Return a reference to the new modifiable.
return {index_var(0),{R1}};
}