/// <inheritdoc />
protected override object ExecuteToken(ScriptContext context)
{
string typename = TargetType.Execute(context)?.ToString();
if (typename == null)
{
throw new ScriptRuntimeException("cannot cast to null", this);
}
Type type = TypeProvider.DetermineType(this, typename);
object value = Value.Execute(context);
if (IsDynamic?.Execute(context)?.ToBoolean() ?? false)
{
if (value == null)
{
if (type.IsValueType)
{
return(Activator.CreateInstance(type));
}
return(null);
}
if (type.IsInstanceOfType(value))
{
return(value);
}
return(null);
}
if (value == null)
{
if (type.IsValueType)
{
throw new ScriptRuntimeException($"null cannot get cast to '{typename}'", this);
}
return(null);
}
if (!type.IsInstanceOfType(value))
{
throw new ScriptRuntimeException($"Unable to cast {value} to '{typename}'", this);
}
return(value);
}