Example #1
0
        /// <summary>
        /// Invokes subtract assign with correct behavior for events.
        /// </summary>
        /// <param name="target">The target.</param>
        /// <param name="name">The name.</param>
        /// <param name="value">The value.</param>
        public static void InvokeSubtractAssignMember(object target, string name, object value)
        {
            target = target.GetTargetContext(out var context, out var staticContext);

            var args = new[] { value };

            args = Util.GetArgsAndNames(args, out var argNames);


            CallSite callSiteIsEvent = null;
            CallSite callSiteRemove  = null;
            CallSite callSiteGet     = null;
            CallSite callSiteSet     = null;


            InvokeHelper.InvokeSubtractAssignCallSite(target, name, args, argNames, context, staticContext, ref callSiteIsEvent, ref callSiteRemove, ref callSiteGet, ref callSiteSet);
        }
Example #2
0
        public override object Invoke(object target, params object[] args)
        {
            var tIContext = target as InvokeContext;

            if (tIContext != null)
            {
                target = tIContext.Target;
            }

            if (args == null)
            {
                args = new object[] { null };
            }


            if (args.Length != _argCount)
            {
                switch (Kind)
                {
                case InvocationKind.Convert:
                    if (args.Length > 0)
                    {
                        if (!Equals(args[0], _convertType))
                        {
                            throw new ArgumentException("CacheableInvocation can't change conversion type on invoke.", "args");
                        }
                    }
                    if (args.Length > 1)
                    {
                        if (!Equals(args[1], _convertExplicit))
                        {
                            throw new ArgumentException("CacheableInvocation can't change explict/implict conversion on invoke.", "args");
                        }
                    }

                    if (args.Length > 2)
                    {
                        goto default;
                    }
                    break;

                default:
                    throw new ArgumentException("args", string.Format("Incorrect number of Arguments for CachedInvocation, Expected:{0}", _argCount));
                }
            }

            switch (Kind)
            {
            case InvocationKind.Constructor:
                var tTarget = (Type)target;
                return(InvokeHelper.InvokeConstructorCallSite(tTarget, tTarget.IsValueType, args, _argNames,
                                                              ref _callSite));

            case InvocationKind.Convert:
                return(InvokeHelper.InvokeConvertCallSite(target, _convertExplicit, _convertType, _context,
                                                          ref _callSite));

            case InvocationKind.Get:
                return(InvokeHelper.InvokeGetCallSite(target, Name.Name, _context, _staticContext, ref _callSite));

            case InvocationKind.Set:
                InvokeHelper.InvokeSetCallSite(target, Name.Name, args[0], _context, _staticContext, ref _callSite);
                return(null);

            case InvocationKind.GetIndex:
                return(InvokeHelper.InvokeGetIndexCallSite(target, args, _argNames, _context, _staticContext, ref _callSite));

            case InvocationKind.SetIndex:
                Impromptu.InvokeSetIndex(target, args);
                return(null);

            case InvocationKind.InvokeMember:
                return(InvokeHelper.InvokeMemberCallSite(target, Name, args, _argNames, _context, _staticContext, ref _callSite));

            case InvocationKind.InvokeMemberAction:
                InvokeHelper.InvokeMemberActionCallSite(target, Name, args, _argNames, _context, _staticContext, ref _callSite);
                return(null);

            case InvocationKind.InvokeMemberUnknown:
            {
                try
                {
                    var tObj = InvokeHelper.InvokeMemberCallSite(target, Name, args, _argNames, _context, _staticContext, ref _callSite);
                    return(tObj);
                }
                catch (RuntimeBinderException)
                {
                    InvokeHelper.InvokeMemberActionCallSite(target, Name, args, _argNames, _context, _staticContext, ref _callSite2);
                    return(null);
                }
            }

            case InvocationKind.Invoke:
                return(InvokeHelper.InvokeDirectCallSite(target, args, _argNames, _context, _staticContext, ref _callSite));

            case InvocationKind.InvokeAction:
                InvokeHelper.InvokeDirectActionCallSite(target, args, _argNames, _context, _staticContext, ref _callSite);
                return(null);

            case InvocationKind.InvokeUnknown:
            {
                try
                {
                    var tObj = InvokeHelper.InvokeDirectCallSite(target, args, _argNames, _context, _staticContext, ref _callSite);
                    return(tObj);
                }
                catch (RuntimeBinderException)
                {
                    InvokeHelper.InvokeDirectActionCallSite(target, args, _argNames, _context, _staticContext, ref _callSite2);
                    return(null);
                }
            }

            case InvocationKind.AddAssign:
                InvokeHelper.InvokeAddAssignCallSite(target, Name.Name, args, _argNames, _context, _staticContext, ref _callSite, ref _callSite2, ref _callSite3, ref _callSite4);
                return(null);

            case InvocationKind.SubtractAssign:
                InvokeHelper.InvokeSubtractAssignCallSite(target, Name.Name, args, _argNames, _context, _staticContext, ref _callSite, ref _callSite2, ref _callSite3, ref _callSite4);
                return(null);

            case InvocationKind.IsEvent:
                return(InvokeHelper.InvokeIsEventCallSite(target, Name.Name, _context, ref _callSite));

            default:
                throw new InvalidOperationException("Unknown Invocation Kind: " + Kind);
            }
        }