private MethodBindResult BindMethodInternal(string name, Type[] typeArgs, object[] args, object[] bindArgs)
{
// create C# member invocation binder
const CSharpBinderFlags binderFlags = CSharpBinderFlags.InvokeSimpleName | CSharpBinderFlags.ResultDiscarded;
var binder = Binder.InvokeMember(binderFlags, name, typeArgs, accessContext ?? engine.AccessContext, CreateArgInfoEnum(bindArgs));
// perform default binding
var binding = DynamicHelpers.Bind((DynamicMetaObjectBinder)binder, target, bindArgs);
var rawResult = (new MethodBindingVisitor(target.InvokeTarget, name, binding.Expression)).Result;
var result = MethodBindResult.Create(name, rawResult, target, args);
if (!(result is MethodBindSuccess) && !(target is HostType) && target.Type.IsInterface)
{
// binding through interface failed; try base interfaces
foreach (var interfaceType in target.Type.GetInterfaces())
{
var tempTarget = HostObject.Wrap(target.InvokeTarget, interfaceType);
binding = DynamicHelpers.Bind((DynamicMetaObjectBinder)binder, tempTarget, bindArgs);
rawResult = (new MethodBindingVisitor(target.InvokeTarget, name, binding.Expression)).Result;
var tempResult = MethodBindResult.Create(name, rawResult, target, args);
if (tempResult is MethodBindSuccess)
{
return(tempResult);
}
}
// binding through base interfaces failed; try System.Object
var objectTarget = HostObject.Wrap(target.InvokeTarget, typeof(object));
binding = DynamicHelpers.Bind((DynamicMetaObjectBinder)binder, objectTarget, bindArgs);
rawResult = (new MethodBindingVisitor(target.InvokeTarget, name, binding.Expression)).Result;
var objectResult = MethodBindResult.Create(name, rawResult, target, args);
if (objectResult is MethodBindSuccess)
{
return(objectResult);
}
}
return(result);
}
private static MethodBindResult BindMethodCore(Type bindContext, BindingFlags bindFlags, HostTarget target, string name, Type[] typeArgs, object[] args, object[] bindArgs)
{
Interlocked.Increment(ref coreBindCount);
// create C# member invocation binder
const CSharpBinderFlags binderFlags = CSharpBinderFlags.InvokeSimpleName | CSharpBinderFlags.ResultDiscarded;
var binder = (InvokeMemberBinder)Binder.InvokeMember(binderFlags, name, typeArgs, bindContext, CreateArgInfoEnum(target, bindArgs));
// perform default binding
var rawResult = BindMethodRaw(bindFlags, binder, target, bindArgs);
var result = MethodBindResult.Create(name, rawResult, target, args);
if ((result is MethodBindFailure) && !(target is HostType) && target.Type.IsInterface)
{
// binding through interface failed; try base interfaces
foreach (var interfaceType in target.Type.GetInterfaces())
{
var baseInterfaceTarget = HostObject.Wrap(target.InvokeTarget, interfaceType);
rawResult = BindMethodRaw(bindFlags, binder, baseInterfaceTarget, bindArgs);
var baseInterfaceResult = MethodBindResult.Create(name, rawResult, target, args);
if (baseInterfaceResult is MethodBindSuccess)
{
return(baseInterfaceResult);
}
}
// binding through base interfaces failed; try System.Object
var objectTarget = HostObject.Wrap(target.InvokeTarget, typeof(object));
rawResult = BindMethodRaw(bindFlags, binder, objectTarget, bindArgs);
var objectResult = MethodBindResult.Create(name, rawResult, target, args);
if (objectResult is MethodBindSuccess)
{
return(objectResult);
}
}
return(result);
}
private object CreateAsyncEnumerator <T>(IEnumerable <T> enumerable)
{
return(HostObject.Wrap(enumerable.GetEnumerator().ToAsyncEnumerator(Engine), typeof(IAsyncEnumeratorPromise <T>)));
}
