public static Field RunSequence(Runner runner, Node block)
{
if (block.Count < 1)
{
throw new ArgumentException();
}
Field result = default;
foreach (var child in block)
{
result = runner.Eval(child);
var field = runner.GetFieldOrInit(Convert.ToString(child));
if (field.FieldType == FieldType.BuiltInFunction &&
field.Value == index["return"])
{
return(result);
}
}
return(result);
}
public static Field SetValue(Runner runner, Node block)
{
if (block.Count < 2)
{
throw new ArgumentException();
}
var tag = Convert.ToString(block[0]);
if (block.Count == 2)
{
return(runner.SetField(tag, runner.Eval(block[1])));
}
Field field = runner.GetFieldOrInit(tag, FieldType.Object);
for (int i = 1, l = block.Count - 2; i < l; i++)
{
field = field.GetAndEnsureType(runner.Eval(block[i]), FieldType.Object);
}
return(field[runner.Eval(block[block.Count - 2])] =
runner.Eval(block[block.Count - 1]));
}