Mono.CSharp.NewDelegate.DoResolve C# (CSharp) Method

		protected override Expression DoResolve (ResolveContext ec)
		{
			if (Arguments == null || Arguments.Count != 1) {
				ec.Report.Error (149, loc, "Method name expected");
				return null;
			}

			Argument a = Arguments [0];
			if (!a.ResolveMethodGroup (ec))
				return null;

			Expression e = a.Expr;

			AnonymousMethodExpression ame = e as AnonymousMethodExpression;
			if (ame != null && RootContext.Version != LanguageVersion.ISO_1) {
				e = ame.Compatible (ec, type);
				if (e == null)
					return null;

				return e.Resolve (ec);
			}

			method_group = e as MethodGroupExpr;
			if (method_group == null) {
				if (e.Type == InternalType.Dynamic) {
					e = Convert.ImplicitConversionRequired (ec, e, type, loc);
				} else if (!e.Type.IsDelegate) {
					e.Error_UnexpectedKind (ec, ResolveFlags.MethodGroup | ResolveFlags.Type, loc);
					return null;
				}

				//
				// An argument is not a method but another delegate
				//
				method_group = new MethodGroupExpr (Delegate.GetInvokeMethod (ec.Compiler, e.Type), e.Type, loc);
				method_group.InstanceExpression = e;
			}

			return base.DoResolve (ec);
		}
	}