DynamicMetaObject ResolveOverload(DynamicMetaObject target, DynamicMetaObject[] args, MethodInfo[] methods, BindingRestrictions additionalRestrictions = null) { OverloadResolver or; if (target != null) { List<DynamicMetaObject> tmp = args.ToList(); tmp.Insert(0, target); args = tmp.ToArray(); or = this._languageContext.OverloadResolverFactory.CreateOverloadResolver(args, new CallSignature(args.Length), CallTypes.None); } else { or = this._languageContext.OverloadResolverFactory.CreateOverloadResolver(args, new CallSignature(args.Length), CallTypes.None); } BindingTarget bt = or.ResolveOverload(this.Name, methods, NarrowingLevel.None, NarrowingLevel.All); BindingRestrictions restrictions = bt.RestrictedArguments != null ? bt.RestrictedArguments.GetAllRestrictions() : BindingRestrictions.Empty; if (!bt.Success) { foreach (DynamicMetaObject mo in args) restrictions = restrictions.Merge(BindingRestrictions.GetTypeRestriction(mo.Expression, mo.GetLimitType())); return DefaultBinder.MakeError(or.MakeInvalidParametersError(bt), restrictions, typeof(object)); } if(additionalRestrictions != null) restrictions = restrictions.Merge(additionalRestrictions); Expression callExpression = bt.MakeExpression(); if (callExpression.Type == typeof(void)) callExpression = Expression.Block(new[] { callExpression, Expression.Constant(null) }); else if (callExpression.Type != typeof(object)) callExpression = Expression.Convert(callExpression, typeof(object)); return new DynamicMetaObject(callExpression, restrictions); }