public static AwaitableInfo TryCreate([NotNull] Type type)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
var runtimeMethods = type.GetRuntimeMethods().ToArray();
var getAwaiterMethod = runtimeMethods.FirstOrDefault(z =>
z.Name == nameof(Task.GetAwaiter) &&
z.ReturnType != typeof(void) &&
z.GetParameters().Length == 0);
if (getAwaiterMethod == null)
{
return(null);
}
var awaiterType = getAwaiterMethod.ReturnType;
var awaiterInfo = AwaiterInfo.TryCreate(awaiterType.GetTypeInfo());
if (awaiterInfo == null)
{
return(null);
}
var info = new AwaitableInfo(type, getAwaiterMethod, awaiterInfo)
{
ConfigureAwaitMethod = runtimeMethods.FirstOrDefault(z =>
z.Name == nameof(Task.ConfigureAwait) &&
z.ReturnType != typeof(void) &&
z.GetParameters().Length == 1 &&
z.GetParameters()[0].ParameterType == typeof(bool))
};
return(info);
}
public TypedAwaitableAdapter(AwaitableInfo info, FunctionInvokerResolver funcResolver)
: base(info, funcResolver)
{
this._awaiterAdapter = new AwaiterAdapterImpl(info.AwaiterInfo, funcResolver);
}
protected AwaitableAdapter(AwaitableInfo info)
{
this.AwaitableInfo = info ?? throw new ArgumentNullException(nameof(info));
this._isValueType = info.AwaitableType.GetTypeInfo().IsValueType;
}
private Lazy <AwaitableInfo> CreateLazy(Type type)
{
return(new Lazy <AwaitableInfo>(() => AwaitableInfo.TryCreate(type)));
}
