예제 #1
0
        internal static Expression InvokeConverter(LanguagePrimitives.ConversionData conversion, Expression value, Type resultType, bool debase, Expression formatProvider)
        {
            Expression expression;

            if ((conversion.Rank == ConversionRank.Identity) || (conversion.Rank == ConversionRank.Assignable))
            {
                expression = debase ? Expression.Call(CachedReflectionInfo.PSObject_Base, value) : value;
            }
            else
            {
                Expression expression2;
                Expression nullPSObject;
                if (debase)
                {
                    expression2  = Expression.Call(CachedReflectionInfo.PSObject_Base, value);
                    nullPSObject = value.Cast(typeof(PSObject));
                }
                else
                {
                    expression2  = value.Cast(typeof(object));
                    nullPSObject = ExpressionCache.NullPSObject;
                }
                expression = Expression.Call(Expression.Constant(conversion.Converter), conversion.Converter.GetType().GetMethod("Invoke"), new Expression[] { expression2, Expression.Constant(resultType), ExpressionCache.Constant(true), nullPSObject, formatProvider, ExpressionCache.NullTypeTable });
            }
            if (expression.Type.Equals(resultType) || resultType.Equals(typeof(LanguagePrimitives.InternalPSCustomObject)))
            {
                return(expression);
            }
            if (resultType.IsValueType && (Nullable.GetUnderlyingType(resultType) == null))
            {
                return(Expression.Unbox(expression, resultType));
            }
            return(Expression.Convert(expression, resultType));
        }
예제 #2
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        private DynamicMetaObject GetIndexDictionary(DynamicMetaObject target, DynamicMetaObject[] indexes, Type idictionary)
        {
            bool flag;

            if (indexes.Length > 1)
            {
                return(null);
            }
            MethodInfo method = idictionary.GetMethod("TryGetValue");

            ParameterInfo[] parameters    = method.GetParameters();
            Type            parameterType = parameters[0].ParameterType;

            LanguagePrimitives.ConversionData conversion = LanguagePrimitives.FigureConversion(indexes[0].Value, parameterType, out flag);
            if (conversion.Rank == ConversionRank.None)
            {
                return(null);
            }
            if (indexes[0].LimitType.IsArray && !parameterType.IsArray)
            {
                return(null);
            }
            BindingRestrictions restrictions = target.CombineRestrictions(indexes).Merge(BinderUtils.GetOptionalVersionAndLanguageCheckForType(this, parameterType, this._version));
            Expression          expression   = PSConvertBinder.InvokeConverter(conversion, indexes[0].Expression, parameterType, flag, ExpressionCache.InvariantCulture);
            ParameterExpression expression2  = Expression.Parameter(parameters[1].ParameterType.GetElementType(), "outParam");

            return(new DynamicMetaObject(Expression.Block(new ParameterExpression[] { expression2 }, new Expression[] { Expression.Condition(Expression.Call(target.Expression.Cast(idictionary), method, expression, expression2), expression2.Cast(typeof(object)), this.GetNullResult()) }), restrictions));
        }
예제 #3
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        internal static object AsOperator(object left, Type type)
        {
            bool flag;

            if (type == null)
            {
                throw InterpreterError.NewInterpreterException(null, typeof(RuntimeException), null, "AsOperatorRequiresType", ParserStrings.AsOperatorRequiresType, new object[0]);
            }
            LanguagePrimitives.ConversionData data = LanguagePrimitives.FigureConversion(left, type, out flag);
            if (data.Rank == ConversionRank.None)
            {
                return(null);
            }
            try
            {
                if (flag)
                {
                    return(data.Invoke(PSObject.Base(left), type, false, (PSObject)left, NumberFormatInfo.InvariantInfo, null));
                }
                return(data.Invoke(left, type, false, null, NumberFormatInfo.InvariantInfo, null));
            }
            catch (PSInvalidCastException)
            {
                return(null);
            }
        }
예제 #4
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        internal static Expression ConvertIndex(DynamicMetaObject index, Type resultType)
        {
            bool flag;

            LanguagePrimitives.ConversionData conversion = LanguagePrimitives.FigureConversion(index.Value, resultType, out flag);
            if (conversion.Rank != ConversionRank.None)
            {
                return(PSConvertBinder.InvokeConverter(conversion, index.Expression, resultType, flag, ExpressionCache.InvariantCulture));
            }
            return(null);
        }
예제 #5
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        internal bool IsMatchingType(PSTypeName psTypeName)
        {
            Type fromType = psTypeName.Type;

            if (fromType != null)
            {
                bool flag = LanguagePrimitives.FigureConversion(typeof(object), this.ParameterType).Rank >= ConversionRank.AssignableS2A;
                if (fromType.Equals(typeof(object)))
                {
                    return(flag);
                }
                if (flag)
                {
                    return((psTypeName.Type != null) && psTypeName.Type.Equals(typeof(object)));
                }
                LanguagePrimitives.ConversionData data = LanguagePrimitives.FigureConversion(fromType, this.ParameterType);
                return((data != null) && (data.Rank >= ConversionRank.NumericImplicitS2A));
            }
            WildcardPattern pattern = new WildcardPattern("*" + (psTypeName.Name ?? ""), WildcardOptions.CultureInvariant | WildcardOptions.IgnoreCase);

            if (pattern.IsMatch(this.ParameterType.FullName))
            {
                return(true);
            }
            if (this.ParameterType.IsArray && pattern.IsMatch(this.ParameterType.GetElementType().FullName))
            {
                return(true);
            }
            if (this.Attributes != null)
            {
                PSTypeNameAttribute attribute = this.Attributes.OfType <PSTypeNameAttribute>().FirstOrDefault <PSTypeNameAttribute>();
                if ((attribute != null) && pattern.IsMatch(attribute.PSTypeName))
                {
                    return(true);
                }
            }
            return(false);
        }
예제 #6
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        public override DynamicMetaObject FallbackConvert(DynamicMetaObject target, DynamicMetaObject errorSuggestion)
        {
            bool flag;

            if (!target.HasValue)
            {
                return(base.Defer(target, new DynamicMetaObject[0]).WriteToDebugLog(this));
            }
            if (target.Value == AutomationNull.Value)
            {
                return(new DynamicMetaObject(Expression.Default(base.Type), target.PSGetTypeRestriction()).WriteToDebugLog(this));
            }
            Type resultType = base.Type;

            LanguagePrimitives.ConversionData conversion = LanguagePrimitives.FigureConversion(target.Value, resultType, out flag);
            if ((errorSuggestion != null) && (target.Value is DynamicObject))
            {
                return(errorSuggestion.WriteToDebugLog(this));
            }
            BindingRestrictions restrictions = target.PSGetTypeRestriction().Merge(BinderUtils.GetOptionalVersionAndLanguageCheckForType(this, resultType, this._version));

            return(new DynamicMetaObject(InvokeConverter(conversion, target.Expression, resultType, flag, ExpressionCache.InvariantCulture), restrictions).WriteToDebugLog(this));
        }
예제 #7
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        public override DynamicMetaObject FallbackSetMember(DynamicMetaObject target, DynamicMetaObject value, DynamicMetaObject errorSuggestion)
        {
            PSMemberInfo        info;
            BindingRestrictions restrictions2;
            bool flag3;
            Type type4;

            if (!target.HasValue || !value.HasValue)
            {
                return(base.Defer(target, new DynamicMetaObject[] { value }));
            }
            object obj2 = PSObject.Base(target.Value);

            if (obj2 == null)
            {
                return(target.ThrowRuntimeError(new DynamicMetaObject[] { value }, BindingRestrictions.Empty, "PropertyNotFound", ParserStrings.PropertyNotFound, new Expression[] { Expression.Constant(base.Name) }).WriteToDebugLog(this));
            }
            if (value.Value == AutomationNull.Value)
            {
                value = new DynamicMetaObject(ExpressionCache.NullConstant, value.PSGetTypeRestriction(), null);
            }
            if (this._getMemberBinder.HasInstanceMember && PSGetMemberBinder.TryGetInstanceMember(target.Value, base.Name, out info))
            {
                ParameterExpression   expression   = Expression.Variable(typeof(PSMemberInfo));
                ParameterExpression   expression2  = Expression.Variable(typeof(object));
                ConditionalExpression expression3  = Expression.Condition(Expression.Call(CachedReflectionInfo.PSGetMemberBinder_TryGetInstanceMember, target.Expression.Cast(typeof(object)), Expression.Constant(base.Name), expression), Expression.Assign(Expression.Property(expression, "Value"), value.Expression.Cast(typeof(object))), base.GetUpdateExpression(typeof(object)));
                BindingRestrictions   restrictions = BinderUtils.GetVersionCheck(this._getMemberBinder, this._getMemberBinder._version).Merge(value.PSGetTypeRestriction());
                return(new DynamicMetaObject(Expression.Block(new ParameterExpression[] { expression, expression2 }, new Expression[] { expression3 }), restrictions).WriteToDebugLog(this));
            }
            if (obj2 is IDictionary)
            {
                Type genericTypeArg = null;
                bool flag           = PSGetMemberBinder.IsGenericDictionary(obj2, ref genericTypeArg);
                if (!flag || (genericTypeArg != null))
                {
                    bool                flag2;
                    Type                type       = flag ? typeof(IDictionary <,>).MakeGenericType(new Type[] { typeof(string), genericTypeArg }) : typeof(IDictionary);
                    MethodInfo          method     = type.GetMethod("set_Item");
                    ParameterExpression left       = Expression.Variable(genericTypeArg ?? typeof(object));
                    Type                resultType = left.Type;
                    LanguagePrimitives.ConversionData conversion = LanguagePrimitives.FigureConversion(value.Value, resultType, out flag2);
                    if (conversion.Rank != ConversionRank.None)
                    {
                        Expression right = PSConvertBinder.InvokeConverter(conversion, value.Expression, resultType, flag2, ExpressionCache.InvariantCulture);
                        return(new DynamicMetaObject(Expression.Block(new ParameterExpression[] { left }, new Expression[] { Expression.Assign(left, right), Expression.Call(PSGetMemberBinder.GetTargetExpr(target).Cast(type), method, Expression.Constant(base.Name), right), right.Cast(typeof(object)) }), target.CombineRestrictions(new DynamicMetaObject[] { value })).WriteToDebugLog(this));
                    }
                }
            }
            info          = this._getMemberBinder.GetPSMemberInfo(target, out restrictions2, out flag3, out type4, null, null);
            restrictions2 = restrictions2.Merge(value.PSGetTypeRestriction());
            if (ExecutionContext.HasEverUsedConstrainedLanguage)
            {
                restrictions2 = restrictions2.Merge(BinderUtils.GetLanguageModeCheckIfHasEverUsedConstrainedLanguage());
                DynamicMetaObject obj3 = PSGetMemberBinder.EnsureAllowedInLanguageMode(LocalPipeline.GetExecutionContextFromTLS().LanguageMode, target, obj2, base.Name, this._static, new DynamicMetaObject[] { value }, restrictions2, "PropertySetterNotSupportedInConstrainedLanguage", ParserStrings.PropertySetConstrainedLanguage);
                if (obj3 != null)
                {
                    return(obj3.WriteToDebugLog(this));
                }
            }
            if (flag3)
            {
                if (info == null)
                {
                    return((errorSuggestion ?? new DynamicMetaObject(Compiler.ThrowRuntimeError("PropertyAssignmentException", ParserStrings.PropertyNotFound, this.ReturnType, new Expression[] { Expression.Constant(base.Name) }), restrictions2)).WriteToDebugLog(this));
                }
                PSPropertyInfo info3 = info as PSPropertyInfo;
                if (info3 != null)
                {
                    if (!info3.IsSettable)
                    {
                        Expression innerException = Expression.New(CachedReflectionInfo.SetValueException_ctor, new Expression[] { Expression.Constant("PropertyAssignmentException"), Expression.Constant(null, typeof(Exception)), Expression.Constant(ParserStrings.PropertyIsReadOnly), Expression.NewArrayInit(typeof(object), new Expression[] { Expression.Constant(base.Name) }) });
                        return(new DynamicMetaObject(Compiler.ThrowRuntimeErrorWithInnerException("PropertyAssignmentException", Expression.Constant(ParserStrings.PropertyIsReadOnly), innerException, this.ReturnType, new Expression[] { Expression.Constant(base.Name) }), restrictions2).WriteToDebugLog(this));
                    }
                    PSProperty property = info3 as PSProperty;
                    if (property != null)
                    {
                        DotNetAdapter.PropertyCacheEntry adapterData = property.adapterData as DotNetAdapter.PropertyCacheEntry;
                        if (adapterData != null)
                        {
                            Expression expression10;
                            Type       propertyType;
                            if (adapterData.member.DeclaringType.IsGenericTypeDefinition)
                            {
                                Expression expression9 = Expression.New(CachedReflectionInfo.SetValueException_ctor, new Expression[] { Expression.Constant("PropertyAssignmentException"), Expression.Constant(null, typeof(Exception)), Expression.Constant(ExtendedTypeSystem.CannotInvokeStaticMethodOnUninstantiatedGenericType), Expression.NewArrayInit(typeof(object), new Expression[] { Expression.Constant(adapterData.member.DeclaringType.FullName) }) });
                                return(new DynamicMetaObject(Compiler.ThrowRuntimeErrorWithInnerException("PropertyAssignmentException", Expression.Constant(ExtendedTypeSystem.CannotInvokeStaticMethodOnUninstantiatedGenericType), expression9, this.ReturnType, new Expression[] { Expression.Constant(adapterData.member.DeclaringType.FullName) }), restrictions2).WriteToDebugLog(this));
                            }
                            PropertyInfo member = adapterData.member as PropertyInfo;
                            if (member != null)
                            {
                                propertyType = member.PropertyType;
                                Expression expression11 = this._static ? null : PSGetMemberBinder.GetTargetExpr(target);
                                expression10 = Expression.Property(expression11, member);
                            }
                            else
                            {
                                FieldInfo field = (FieldInfo)adapterData.member;
                                propertyType = field.FieldType;
                                Expression expression12 = this._static ? null : PSGetMemberBinder.GetTargetExpr(target);
                                expression10 = Expression.Field(expression12, field);
                            }
                            Type underlyingType = Nullable.GetUnderlyingType(propertyType);
                            Type type7          = underlyingType ?? propertyType;
                            ParameterExpression expression13 = Expression.Variable(type7);
                            Expression          expression14 = (underlyingType != null) ? ((value.Value == null) ? ((Expression)Expression.Constant(null, propertyType)) : ((Expression)Expression.New(propertyType.GetConstructor(new Type[] { underlyingType }), new Expression[] { expression13 }))) : ((Expression)expression13);
                            Expression          expression15 = (type7.Equals(typeof(object)) && value.LimitType.Equals(typeof(PSObject))) ? Expression.Call(CachedReflectionInfo.PSObject_Base, value.Expression.Cast(typeof(PSObject))) : value.CastOrConvert(type7);
                            Expression          expr         = Expression.Block(new ParameterExpression[] { expression13 }, new Expression[] { Expression.Assign(expression13, expression15), Expression.Assign(expression10, expression14), expression13.Cast(typeof(object)) });
                            ParameterExpression variable     = Expression.Variable(typeof(Exception));
                            return(new DynamicMetaObject(Expression.TryCatch(expr.Cast(typeof(object)), new CatchBlock[] { Expression.Catch(variable, Expression.Block(Expression.Call(CachedReflectionInfo.ExceptionHandlingOps_ConvertToMethodInvocationException, variable, Expression.Constant(typeof(SetValueInvocationException)), Expression.Constant(base.Name), ExpressionCache.Constant(0), Expression.Constant(null, typeof(MemberInfo))), Expression.Rethrow(typeof(object)))) }), restrictions2).WriteToDebugLog(this));
                        }
                    }
                    PSCodeProperty property2 = info3 as PSCodeProperty;
                    if (property2 != null)
                    {
                        ParameterExpression expression17 = Expression.Variable(typeof(object));
                        return(new DynamicMetaObject(Expression.Block(new ParameterExpression[] { expression17 }, new Expression[] { Expression.Assign(expression17, value.CastOrConvert(expression17.Type)), PSInvokeMemberBinder.InvokeMethod(property2.SetterCodeReference, null, new DynamicMetaObject[] { target, value }, false), expression17 }), restrictions2).WriteToDebugLog(this));
                    }
                    PSScriptProperty property3 = info3 as PSScriptProperty;
                    if (property3 != null)
                    {
                        return(new DynamicMetaObject(Expression.Call(Expression.Constant(property3), CachedReflectionInfo.PSScriptProperty_InvokeSetter, PSGetMemberBinder.GetTargetExpr(target), value.Expression.Cast(typeof(object))), restrictions2).WriteToDebugLog(this));
                    }
                }
                if (errorSuggestion != null)
                {
                    return(errorSuggestion.WriteToDebugLog(this));
                }
            }
            return(new DynamicMetaObject(Expression.Call(CachedReflectionInfo.PSSetMemberBinder_SetAdaptedValue, PSGetMemberBinder.GetTargetExpr(target).Cast(typeof(object)), Expression.Constant(base.Name), value.Expression.Cast(typeof(object))), restrictions2).WriteToDebugLog(this));
        }
예제 #8
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        internal DynamicMetaObject BNot(DynamicMetaObject target, DynamicMetaObject errorSuggestion)
        {
            if (!target.HasValue)
            {
                return(base.Defer(target, new DynamicMetaObject[0]));
            }
            if ((target.Value is PSObject) && (PSObject.Base(target.Value) != target.Value))
            {
                return(this.DeferForPSObject(new DynamicMetaObject[] { target }));
            }
            if (target.Value == null)
            {
                return(new DynamicMetaObject(ExpressionCache.Constant(-1).Cast(typeof(object)), target.PSGetTypeRestriction()));
            }
            MethodInfo method = target.LimitType.GetMethod("op_OnesComplement", BindingFlags.Public | BindingFlags.Static, null, new Type[] { target.LimitType }, null);

            if (method != null)
            {
                return(new DynamicMetaObject(Expression.OnesComplement(target.Expression.Cast(target.LimitType), method).Cast(typeof(object)), target.PSGetTypeRestriction()));
            }
            if (target.LimitType.Equals(typeof(string)))
            {
                return(new DynamicMetaObject(Expression.Dynamic(this, this.ReturnType, PSBinaryOperationBinder.ConvertStringToNumber(target.Expression, typeof(int))), target.PSGetTypeRestriction()));
            }
            Expression expression = null;

            if (!target.LimitType.IsNumeric())
            {
                bool flag;
                Type resultType = typeof(int);
                LanguagePrimitives.ConversionData conversion = LanguagePrimitives.FigureConversion(target.Value, resultType, out flag);
                if (conversion.Rank != ConversionRank.None)
                {
                    expression = PSConvertBinder.InvokeConverter(conversion, target.Expression, resultType, flag, ExpressionCache.InvariantCulture);
                }
                else
                {
                    resultType = typeof(long);
                    conversion = LanguagePrimitives.FigureConversion(target.Value, resultType, out flag);
                    if (conversion.Rank != ConversionRank.None)
                    {
                        expression = PSConvertBinder.InvokeConverter(conversion, target.Expression, resultType, flag, ExpressionCache.InvariantCulture);
                    }
                }
            }
            else
            {
                TypeCode typeCode = LanguagePrimitives.GetTypeCode(target.LimitType);
                if (typeCode < TypeCode.Int32)
                {
                    expression = target.Expression.Cast(typeof(int));
                }
                else if (typeCode <= TypeCode.UInt64)
                {
                    expression = target.Expression.Cast(target.LimitType);
                }
                else
                {
                    Type type2 = (typeCode == TypeCode.Decimal) ? typeof(DecimalOps) : typeof(DoubleOps);
                    Type type  = (typeCode == TypeCode.Decimal) ? typeof(decimal) : typeof(double);
                    return(new DynamicMetaObject(Expression.Call(type2.GetMethod("BNot", BindingFlags.NonPublic | BindingFlags.Static), target.Expression.Convert(type)), target.PSGetTypeRestriction()));
                }
            }
            if ((expression == null) && (errorSuggestion == null))
            {
                return(PSConvertBinder.ThrowNoConversion(target, typeof(int), this, -1, new DynamicMetaObject[0]));
            }
            return(new DynamicMetaObject(Expression.OnesComplement(expression).Cast(typeof(object)), target.PSGetTypeRestriction()));
        }
예제 #9
0
        public override DynamicMetaObject FallbackCreateInstance(DynamicMetaObject target, DynamicMetaObject[] args, DynamicMetaObject errorSuggestion)
        {
            bool flag;
            Type type = (Type)target.Value;

            MethodInformation[] methodInformationArray = DotNetAdapter.GetMethodInformationArray(type.GetConstructors());
            target = new DynamicMetaObject(target.Expression, BindingRestrictions.GetInstanceRestriction(target.Expression, target.Value), target.Value);
            string            errorId     = null;
            string            errorMsg    = null;
            int               count       = base.CallInfo.ArgumentCount - base.CallInfo.ArgumentNames.Count;
            MethodInformation information = Adapter.FindBestMethod(methodInformationArray, null, (from arg in args.Take <DynamicMetaObject>(count) select arg.Value).ToArray <object>(), ref errorId, ref errorMsg, out flag);

            if (information == null)
            {
                if (errorSuggestion == null)
                {
                }
                return(new DynamicMetaObject(Expression.Throw(Expression.New(CachedReflectionInfo.MethodException_ctor, new Expression[] { Expression.Constant(errorId), Expression.Constant(null, typeof(Exception)), Expression.Constant(errorMsg), Expression.NewArrayInit(typeof(object), new Expression[] { Expression.Constant(".ctor").Cast(typeof(object)), ExpressionCache.Constant(count).Cast(typeof(object)) }) }), this.ReturnType), target.CombineRestrictions(args)));
            }
            ConstructorInfo method = (ConstructorInfo)information.method;

            ParameterInfo[] parameters = method.GetParameters();
            Expression[]    arguments  = new Expression[parameters.Length];
            int             index      = 0;

            while (index < parameters.Length)
            {
                bool flag3;
                Type parameterType = parameters[index].ParameterType;
                if (parameters[index].GetCustomAttributes(typeof(ParamArrayAttribute), true).Any <object>() && flag)
                {
                    Type elementType = parameters[index].ParameterType.GetElementType();
                    List <Expression> initializers = new List <Expression>();
                    int num3 = index;
                    int num4 = index;
                    while (num4 < count)
                    {
                        bool flag2;
                        LanguagePrimitives.ConversionData data = LanguagePrimitives.FigureConversion(args[index].Value, elementType, out flag2);
                        initializers.Add(PSConvertBinder.InvokeConverter(data, args[num4].Expression, elementType, flag2, ExpressionCache.InvariantCulture));
                        num4++;
                        index++;
                    }
                    arguments[num3] = Expression.NewArrayInit(elementType, initializers);
                    break;
                }
                LanguagePrimitives.ConversionData conversion = LanguagePrimitives.FigureConversion(args[index].Value, parameterType, out flag3);
                arguments[index] = PSConvertBinder.InvokeConverter(conversion, args[index].Expression, parameterType, flag3, ExpressionCache.InvariantCulture);
                index++;
            }
            Expression right = Expression.New(method, arguments);

            if (base.CallInfo.ArgumentNames.Any <string>())
            {
                ParameterExpression expr        = Expression.Parameter(right.Type);
                List <Expression>   expressions = new List <Expression>();
                foreach (string str3 in base.CallInfo.ArgumentNames)
                {
                    Expression   expression3;
                    Type         propertyType;
                    bool         flag4;
                    MemberInfo[] infoArray3 = type.GetMember(str3, MemberTypes.Property | MemberTypes.Field, BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance | BindingFlags.IgnoreCase);
                    if ((infoArray3.Length != 1) || (!(infoArray3[0] is PropertyInfo) && !(infoArray3[0] is FieldInfo)))
                    {
                        return(target.ThrowRuntimeError(args, BindingRestrictions.Empty, "PropertyNotFoundForType", ParserStrings.PropertyNotFoundForType, new Expression[] { Expression.Constant(str3), Expression.Constant(type) }));
                    }
                    MemberInfo info2 = infoArray3[0];
                    if (info2 is PropertyInfo)
                    {
                        PropertyInfo property = (PropertyInfo)info2;
                        if (property.GetSetMethod() == null)
                        {
                            return(target.ThrowRuntimeError(args, BindingRestrictions.Empty, "PropertyIsReadOnly", ParserStrings.PropertyIsReadOnly, new Expression[] { Expression.Constant(str3) }));
                        }
                        propertyType = property.PropertyType;
                        expression3  = Expression.Property(expr.Cast(info2.DeclaringType), property);
                    }
                    else
                    {
                        propertyType = ((FieldInfo)info2).FieldType;
                        expression3  = Expression.Field(expr.Cast(info2.DeclaringType), (FieldInfo)info2);
                    }
                    LanguagePrimitives.ConversionData data3 = LanguagePrimitives.FigureConversion(args[index].Value, propertyType, out flag4);
                    if (data3.Rank == ConversionRank.None)
                    {
                        return(PSConvertBinder.ThrowNoConversion(args[index], propertyType, this, -1, args.Except <DynamicMetaObject>(new DynamicMetaObject[] { args[index] }).Prepend <DynamicMetaObject>(target).ToArray <DynamicMetaObject>()));
                    }
                    expressions.Add(Expression.Assign(expression3, PSConvertBinder.InvokeConverter(data3, args[index].Expression, propertyType, flag4, ExpressionCache.InvariantCulture)));
                    index++;
                }
                ParameterExpression variable    = Expression.Parameter(typeof(Exception));
                BlockExpression     expression5 = Expression.Block(Expression.Assign(expr, right), Expression.TryCatch(Expression.Block(typeof(void), expressions), new CatchBlock[] { Expression.Catch(variable, Expression.Block(Expression.Call(CachedReflectionInfo.CommandProcessorBase_CheckForSevereException, variable), Compiler.ThrowRuntimeErrorWithInnerException("PropertyAssignmentException", Expression.Property(variable, "Message"), variable, typeof(void), new Expression[0]))) }), expr);
                right = Expression.Block(new ParameterExpression[] { expr }, new Expression[] { expression5 });
            }
            return(new DynamicMetaObject(right, target.CombineRestrictions(args)));
        }