void symex_dereference_statet::get_value_set(
const exprt &expr,
value_setst::valuest &value_set)
{
renaming_nst renaming_ns(goto_symex.ns, state);
state.value_set.get_value_set(expr, value_set, renaming_ns);
#if 0
std::cout << "**************************\n";
state.value_set.output(std::cout, renaming_ns);
std::cout << "**************************\n";
#endif
#if 0
std::cout << "E: " << expr.pretty() << std::endl;
#endif
#if 0
std::cout << "**************************\n";
for(expr_sett::const_iterator it=value_set.begin();
it!=value_set.end();
it++)
std::cout << from_expr(renaming_ns, "", *it) << std::endl;
std::cout << "**************************\n";
#endif
}
bool symex_dereference_statet::has_failed_symbol(
const exprt &expr,
const symbolt *&symbol)
{
renaming_nst renaming_ns(goto_symex.ns, state);
if(expr.id()==ID_symbol)
{
const symbolt &ptr_symbol=
renaming_ns.lookup(to_symbol_expr(expr).get_identifier());
const irep_idt &failed_symbol=
ptr_symbol.type.get("#failed_symbol");
if(failed_symbol!="" &&
!renaming_ns.lookup(failed_symbol, symbol))
{
symbolt sym=*symbol;
symbolt *sym_ptr=0;
sym.name=state.rename(sym.name, renaming_ns, goto_symex_statet::L1);
goto_symex.new_symbol_table.move(sym, sym_ptr);
symbol=sym_ptr;
return true;
}
}
return false;
}
bool symex_dereference_statet::has_failed_symbol(
const exprt &expr,
const symbolt *&symbol)
{
renaming_nst renaming_ns(goto_symex.ns, state);
if(expr.id()==ID_symbol)
{
const symbolt &ptr_symbol=
renaming_ns.lookup(to_symbol_expr(expr).get_identifier());
const irep_idt &failed_symbol=
ptr_symbol.type.get("#failed_symbol");
if(failed_symbol=="") return false;
return !renaming_ns.lookup(failed_symbol, symbol);
}
return false;
}