Val Eval(HashMap<String, Val> state) {
// Make it work like a like list.
ExpList t = expList;
Val i = null;
if (t != null) {
i = t.exp.Eval(state);
t = t.expList;
if (i.getClass() == ErrVal.class) {
return i;
}
if (i.getClass() == BoolVal.class) {
return new ErrVal(">= operator cannot be applied to non-number: " + i.toString());
}
}
while (t != null) {
Val e = t.exp.Eval(state);
Class eClass = e.getClass();
Class iClass = i.getClass();
if (i.getClass() == ErrVal.class) {
return i;
}
if (e.getClass() == BoolVal.class) {
return new ErrVal(">= operator cannot be applied to non-number: " + e.toString());
}
if (iClass == IntVal.class && eClass == IntVal.class) {
if (((IntVal) i).val <= ((IntVal) e).val) {
return new BoolVal(false);
}
} else if (iClass == IntVal.class) // eClass == FloatVal.class
{
if (((IntVal) i).val <= ((FloatVal) e).val) {
return new BoolVal(false);
}
} else // termClass == FloatVal.class
{
if (((FloatVal) i).val <= ((FloatVal) e).val) {
return new BoolVal(false);
}
}
t = t.expList;
e = i;
}
return new BoolVal(true);
}
