public override object Call2(Class last_class, object recv, Frame caller, Proc block, object param0, object val)
{
Hash hash = ((Hash)recv);
Hash.rb_hash_modify(caller, hash);
Dictionary.Key key = new Dictionary.Key(param0);
hash.value[key] = val;
((Hash)recv).value[new Dictionary.Key(param0)] = val;
return val;
}
public override object Call0(Class last_class, object recv, Frame caller, Proc block)
{
Hash hash = (Hash)recv;
Dictionary dict = hash.value;
// Don't lock the original dictionary.
Dictionary.Key[] keys = new Dictionary.Key[dict.Count];
dict.Keys.CopyTo(keys, 0);
foreach (Dictionary.Key key in keys)
{
Proc.rb_yield(block, caller, key.key);
if (!object.ReferenceEquals(hash.value, dict))
throw new RuntimeError("rehash occurred during iteration").raise(caller);
}
return recv;
}
public override object Call0(Class last_class, object recv, Frame caller, Proc block)
{
ArrayList ary = ((Array)recv).value;
int count = ary.Count;
Dictionary passed = new Dictionary();
for (int i = 0; i < ary.Count; i++)
{
object o = ary[i];
Dictionary.Key key = new Dictionary.Key(o);
if (passed.ContainsKey(key))
{
ary.RemoveAt(i);
i--;
}
else
{
passed.Add(key, null);
}
}
if (count == ary.Count)
return null;
else
return recv;
}
public override object Call1(Class last_class, object recv, Frame caller, Proc block, object param0)
{
Hash hash = (Hash)recv;
Hash.rb_hash_modify(caller, hash);
Dictionary.Key key = new Dictionary.Key(param0);
Dictionary dict = hash.value;
object value;
if (dict.TryGetValue(key, out value))
{
dict.Remove(key);
return value;
}
else if (block != null)
{
return Proc.rb_yield(block, caller, param0);
}
else
{
return null;
}
}
public override object Call1(Class last_class, object recv, Frame caller, Proc block, object param0)
{
ArrayList ary = ((Array)recv).value;
ArrayList ary2 = Array.ArrayValue(param0, caller);
ArrayList result = new ArrayList(ary.Count);
Dictionary set = new Dictionary();
for (int i = 0; i < ary.Count; i++)
{
Dictionary.Key key = new Dictionary.Key(ary[i]);
if (!set.ContainsKey(key))
{
set.Add(key, null);
result.Add(ary[i]);
}
}
for (int i = 0; i < ary2.Count; i++)
{
Dictionary.Key key = new Dictionary.Key(ary2[i]);
if (!set.ContainsKey(key))
{
set.Add(key, null);
result.Add(ary2[i]);
}
}
return Array.CreateUsing(result);
}
