protected TMemberInfo MatchMethod(Type[] args, IEnumerable <TMemberInfo> members)
{
LinkedList <MethodMatch> matches = new LinkedList <MethodMatch>();
foreach (var m in members)
{
matches.AddLast(
new MethodMatch()
{
method = m,
parameters = Array.ConvertAll <ParameterInfo, Type>(
m.GetParameters(),
p => p.ParameterType
),
weight = 0
}
);
}
if (args != null)
{
for (int i = 0; i < args.Length; i++)
{
Type t = args[i];
for (var node = matches.First; node != null;)
{
var nextNode = node.Next;
if (t != null)
{
Type paramType = node.Value.parameters[i];
if (t.Equals(paramType))
{
node.Value.weight += 1;
}
else if (typeof(Delegate).IsAssignableFrom(paramType) && typeof(JsFunction).IsAssignableFrom(t))
{
// we can assing a js function to a delegate
}
else if (!m_marshaller.IsAssignable(paramType, t))
{
matches.Remove(node);
}
}
else
{
// we can't assign undefined or null values to a value types
if (node.Value.parameters[i].IsValueType)
{
matches.Remove(node);
}
}
node = nextNode;
}
}
}
MethodMatch best = null;
foreach (var match in matches)
{
best = best == null ? match : (best.weight < match.weight ? match : best);
}
return(best == null ? null : best.method);
}
