private static Invoker TryCreateInstanceMethod(MethodInfo method)
{
if (method.DeclaringType == null)
{
return(null);
}
// try get from cache
var invoker = default(Invoker);
lock (InstanceMethods)
if (InstanceMethods.TryGetValue(method, out invoker))
{
return(invoker);
}
var creatorsByParamsCount = default(Dictionary <MethodCallSignature, InvokeOperationCreator>[]);
lock (InstanceMethodCreators)
if (InstanceMethodCreators.TryGetValue(method.DeclaringType, out creatorsByParamsCount) == false || creatorsByParamsCount == null)
{
goto cacheAndReturn;
}
var methodCallSignature = new MethodCallSignature(method);
if (creatorsByParamsCount.Length < methodCallSignature.Count || creatorsByParamsCount[methodCallSignature.Count] == null)
{
goto cacheAndReturn;
}
var creatorsBySignature = creatorsByParamsCount[methodCallSignature.Count];
var creator = default(InvokeOperationCreator);
lock (creatorsBySignature)
if (creatorsBySignature.TryGetValue(methodCallSignature, out creator) == false || creator == null)
{
goto cacheAndReturn;
}
invoker = creator(method, method.GetParameters());
cacheAndReturn:
// cache it
lock (InstanceMethods)
InstanceMethods[method] = invoker;
return(invoker);
}
public static void RegisterInstanceMethod <InstanceT, ResultT>()
{
const int PARAMS_INDEX = 0;
var creatorsByParamsCount = default(Dictionary <MethodCallSignature, InvokeOperationCreator>[]);
lock (InstanceMethodCreators)
if (InstanceMethodCreators.TryGetValue(typeof(InstanceT), out creatorsByParamsCount) == false)
{
InstanceMethodCreators[typeof(InstanceT)] = creatorsByParamsCount = new Dictionary <MethodCallSignature, InvokeOperationCreator> [4];
}
var creatorsBySignature = creatorsByParamsCount[PARAMS_INDEX];
if (creatorsBySignature == null)
{
creatorsByParamsCount[PARAMS_INDEX] = creatorsBySignature = new Dictionary <MethodCallSignature, InvokeOperationCreator>();
}
var methodCallSignature = new MethodCallSignature(typeof(ResultT));
lock (creatorsBySignature)
creatorsBySignature[methodCallSignature] = TryCreate <InstanceT, ResultT>;
}