void uninitialized_domaint::transform(
locationt from,
locationt to,
ai_baset &ai,
const namespacet &ns)
{
if(has_values.is_false())
return;
switch(from->type)
{
case DECL:
{
const irep_idt &identifier=
to_code_decl(from->code).get_identifier();
const symbolt &symbol=ns.lookup(identifier);
if(!symbol.is_static_lifetime)
uninitialized.insert(identifier);
}
break;
default:
{
std::list<exprt> read=expressions_read(*from);
std::list<exprt> written=expressions_written(*from);
forall_expr_list(it, written) assign(*it);
// we only care about the *first* uninitalized use
forall_expr_list(it, read) assign(*it);
}
}
}
void symex_slicet::slice(
symex_target_equationt &equation,
const expr_listt &exprs)
{
// collect dependencies
forall_expr_list(expr_it, exprs)
get_symbols(*expr_it);
slice(equation);
}
std::ostream &operator << (std::ostream &out, const guardt &g)
{
forall_expr_list(it, g.guard_list)
out << "*** " << it->pretty() << std::endl;
return out;
}
