BindGetMember() 공개 메소드

Performs the binding of the dynamic get member operation.
public BindGetMember ( GetMemberBinder binder ) : DynamicMetaObject
binder GetMemberBinder An instance of the that represents the details of the dynamic operation.
리턴 DynamicMetaObject
예제 #1
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        public static bool TryBindGetMember(GetMemberBinder binder, DynamicMetaObject instance, out DynamicMetaObject result, bool delayInvocation) {
            ContractUtils.RequiresNotNull(binder, "binder");
            ContractUtils.RequiresNotNull(instance, "instance");

            if (TryGetMetaObject(ref instance)) {
                //
                // Demand Full Trust to proceed with the binding.
                //

                new PermissionSet(PermissionState.Unrestricted).Demand();

                var comGetMember = new ComGetMemberBinder(binder, delayInvocation);
                result = instance.BindGetMember(comGetMember);
                if (result.Expression.Type.IsValueType) {
                    result = new DynamicMetaObject(
                        Expression.Convert(result.Expression, typeof(object)),
                        result.Restrictions
                    );
                }
                return true;
            } else {
                result = null;
                return false;
            }
        }
        /// <summary>
        /// Performs the binding of the dynamic get member operation.
        /// </summary>
        /// <param name="target">The target of the dynamic get member operation.</param>
        /// <param name="args">An array of arguments of the dynamic get member operation.</param>
        /// <returns>The <see cref="DynamicMetaObject"/> representing the result of the binding.</returns>
        public sealed override DynamicMetaObject Bind(DynamicMetaObject target, params DynamicMetaObject[] args)
        {
            ContractUtils.RequiresNotNull(target, "target");
            ContractUtils.Requires(args == null || args.Length == 0, "args");

            return(target.BindGetMember(this));
        }
예제 #3
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        /// <summary>
        /// Performs the binding of the dynamic get member operation.
        /// </summary>
        /// <param name="target">The target of the dynamic get member operation.</param>
        /// <param name="args">An array of arguments of the dynamic get member operation.</param>
        /// <returns>The <see cref="DynamicMetaObject"/> representing the result of the binding.</returns>
        public sealed override DynamicMetaObject Bind(DynamicMetaObject target, params DynamicMetaObject[]?args)
        {
            ArgumentNullException.ThrowIfNull(target);
            ContractUtils.Requires(args == null || args.Length == 0, nameof(args));

            return(target.BindGetMember(this));
        }
예제 #4
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        /// <summary>
        /// Performs the binding of the dynamic get member operation.
        /// </summary>
        /// <param name="target">The target of the dynamic get member operation.</param>
        /// <param name="args">An array of arguments of the dynamic get member operation.</param>
        /// <returns>The <see cref="DynamicMetaObject"/> representing the result of the binding.</returns>
        public sealed override DynamicMetaObject Bind(DynamicMetaObject target, params DynamicMetaObject[] args)
        {
            ContractUtils.RequiresNotNull(target, nameof(target));
            ContractUtils.Requires(args == null || args.Length == 0, nameof(args));

            return target.BindGetMember(this);
        }
예제 #5
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 /// <summary>
 /// Tries to perform binding of the dynamic get member operation.
 /// </summary>
 /// <param name="binder">An instance of the <see cref="GetMemberBinder"/> that represents the details of the dynamic operation.</param>
 /// <param name="instance">The target of the dynamic operation. </param>
 /// <param name="result">The new <see cref="DynamicMetaObject"/> representing the result of the binding.</param>
 /// <returns>true if operation was bound successfully; otherwise, false.</returns>
 public static bool TryBindGetMember(GetMemberBinder binder, DynamicMetaObject instance, out DynamicMetaObject result) {
     if (TryGetMetaObject(ref instance)) {
         result = instance.BindGetMember(binder);
         return true;
     } else {
         result = null;
         return false;
     }
 }
예제 #6
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파일: ComBinder.cs 프로젝트: toddb/ironruby
 /// <summary>
 /// Tries to perform binding of the dynamic get member operation.
 /// </summary>
 /// <param name="binder">An instance of the <see cref="GetMemberBinder"/> that represents the details of the dynamic operation.</param>
 /// <param name="instance">The target of the dynamic operation. </param>
 /// <param name="result">The new <see cref="DynamicMetaObject"/> representing the result of the binding.</param>
 /// <param name="delayInvocation">true if member evaluation may be delayed.</param>
 /// <returns>true if operation was bound successfully; otherwise, false.</returns>
 public static bool TryBindGetMember(GetMemberBinder binder, DynamicMetaObject instance, out DynamicMetaObject result, bool delayInvocation) {
     if (TryGetMetaObject(ref instance)) {
         var comGetMember = new ComGetMemberBinder(binder, delayInvocation);
         result = instance.BindGetMember(comGetMember);
         return true;
     } else {
         result = null;
         return false;
     }
 }
예제 #7
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파일: ComBinder.cs 프로젝트: TerabyteX/main
        /// <summary>
        /// Tries to perform binding of the dynamic get member operation.
        /// </summary>
        /// <param name="binder">An instance of the <see cref="GetMemberBinder"/> that represents the details of the dynamic operation.</param>
        /// <param name="instance">The target of the dynamic operation. </param>
        /// <param name="result">The new <see cref="DynamicMetaObject"/> representing the result of the binding.</param>
        /// <param name="delayInvocation">true if member evaluation may be delayed.</param>
        /// <returns>true if operation was bound successfully; otherwise, false.</returns>
        public static bool TryBindGetMember(GetMemberBinder binder, DynamicMetaObject instance, out DynamicMetaObject result, bool delayInvocation) {
            ContractUtils.RequiresNotNull(binder, "binder");
            ContractUtils.RequiresNotNull(instance, "instance");

            if (TryGetMetaObject(ref instance)) {
                var comGetMember = new ComGetMemberBinder(binder, delayInvocation);
                result = instance.BindGetMember(comGetMember);
                if (result.Expression.Type.IsValueType) {
                    result = new DynamicMetaObject(
                        Expression.Convert(result.Expression, typeof(object)),
                        result.Restrictions
                    );
                }
                return true;
            } else {
                result = null;
                return false;
            }
        }
            public static void TestMetaObject(DynamicMetaObject target, string name, bool isValid = true)
            {
                string expectedMethodSignature = "System.Json.JsonValue GetValue(System.String)";

                GetMemberBinder binder = new TestGetMemberBinder(name);

                DynamicMetaObject result = target.BindGetMember(binder);
                Assert.IsNotNull(result);

                MethodCallExpression expression = result.Expression as MethodCallExpression;
                Assert.IsNotNull(expression);
                Assert.AreEqual<string>(expectedMethodSignature, expression.Method.ToString());
            }
 public static void TestBindParams(DynamicMetaObject target)
 {
     GetMemberBinder binder = new TestGetMemberBinder("AnyProperty");
     ExceptionTestHelper.ExpectException<ArgumentNullException>(() => { var result = target.BindGetMember(null); });
 }
 public sealed override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
 {
     ContractUtils.RequiresNotNull(target, "target");
     ContractUtils.Requires((args == null) || (args.Length == 0), "args");
     return target.BindGetMember(this);
 }