/// <summary>
        /// Initializes a new instance of the <see cref="CSharpOverLoopInstruction"/> class.
        /// </summary>
        /// <param name="context">The creation context.</param>
        /// <param name="parentFeature">The parent feature.</param>
        /// <param name="source">The Easly instruction from which the C# instruction is created.</param>
        protected CSharpOverLoopInstruction(ICSharpContext context, ICSharpFeature parentFeature, IOverLoopInstruction source)
            : base(context, parentFeature, source)
        {
            OverList         = CSharpExpression.Create(context, (IExpression)source.OverList);
            LoopInstructions = CSharpScope.Create(context, parentFeature, (IScope)source.LoopInstructions);

            foreach (IName Name in source.IndexerList)
            {
                string IndexerName = Name.ValidText.Item;
                IScopeAttributeFeature IndexerFeature = Source.InnerLoopScope[IndexerName];

                ICSharpScopeAttributeFeature NewIndexer = CSharpScopeAttributeFeature.Create(context, ParentFeature.Owner, IndexerFeature);
                IndexerList.Add(NewIndexer);
            }

            if (source.ExitEntityName.IsAssigned)
            {
                ExitEntityName = ((IIdentifier)source.ExitEntityName.Item).ValidText.Item;
            }

            foreach (IAssertion Item in Source.InvariantList)
            {
                ICSharpAssertion NewAssertion = CSharpAssertion.Create(context, Item);
                InvariantList.Add(NewAssertion);
            }
        }
        private void WriteCSharpImplementationEffective(ICSharpWriter writer, ICSharpEffectiveBody effectiveBody, bool isOverride, string nameString, CSharpExports exportStatus, bool isConstructor, ref bool isFirstFeature, ref bool isMultiline)
        {
            CSharpArgument.BuildParameterList(writer, ParameterList, out string ParameterEntityList, out string ParameterNameList);

            CSharpAssertion.WriteContract(writer, effectiveBody.RequireList, effectiveBody.EnsureList, CSharpContractLocations.Other, true, ref isFirstFeature, ref isMultiline);

            bool SkipFirstInstruction = false;

            if (isConstructor)
            {
                WriteCSharpImplementationConstructor(writer, isOverride, nameString, exportStatus, ref isFirstFeature, ref isMultiline, ref SkipFirstInstruction);
            }
            else
            {
                string ExportStatusText = CSharpNames.ComposedExportStatus(isOverride, false, false, exportStatus);

                writer.WriteIndentedLine($"{ExportStatusText} void {nameString}({ParameterEntityList})");
            }

            ICSharpEffectiveBody AsEffectiveBody = Body as ICSharpEffectiveBody;

            AsEffectiveBody.WriteCSharp(writer, CSharpBodyFlags.MandatoryCurlyBrackets, string.Empty, SkipFirstInstruction, new List <string>());

            isMultiline = true;
        }
Esempio n. 3
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        /// <summary>
        /// Initializes the feature overloads and bodies.
        /// </summary>
        /// <param name="context">The initialization context.</param>
        public override void InitOverloadsAndBodies(ICSharpContext context)
        {
            Type = CSharpType.Create(context, Source.ResolvedEntityType.Item);

            foreach (IAssertion Assertion in Source.EnsureList)
            {
                ICSharpAssertion NewAssertion = CSharpAssertion.Create(context, Assertion);
                EnsureList.Add(NewAssertion);
            }
        }
        private void WriteCSharpImplementationDeferred(ICSharpWriter writer, ICSharpDeferredBody deferredBody, bool isOverride, string nameString, CSharpExports exportStatus, bool isConstructor, ref bool isFirstFeature, ref bool isMultiline)
        {
            CSharpArgument.BuildParameterList(writer, ParameterList, out string ParameterEntityList, out string ParameterNameList);

            CSharpAssertion.WriteContract(writer, deferredBody.RequireList, deferredBody.EnsureList, CSharpContractLocations.Other, true, ref isFirstFeature, ref isMultiline);

            string ExportStatusText = CSharpNames.ComposedExportStatus(false, true, false, exportStatus);

            writer.WriteIndentedLine($"{ExportStatusText} void {nameString}({ParameterEntityList});");

            isMultiline = false;
        }
Esempio n. 5
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        private void WriteCSharpImplementation(ICSharpWriter writer, CSharpExports exportStatus, ref bool isFirstFeature, ref bool isMultiline)
        {
            bool IsEvent = false;

            if (Type is ICSharpClassType AsClassType)
            {
                ICSharpClass Class = AsClassType.Class;
                if (Class.InheritFromDotNetEvent)
                {
                    IsEvent = true;
                }
            }

            writer.WriteDocumentation(Source);

            CSharpAssertion.WriteContract(writer, new List <ICSharpAssertion>(), EnsureList, CSharpContractLocations.Other, false, ref isFirstFeature, ref isMultiline);

            string TypeString      = Type.Type2CSharpString(writer, CSharpTypeFormats.AsInterface, CSharpNamespaceFormats.None);
            string AttributeString = CSharpNames.ToCSharpIdentifier(Name);
            string ExportString    = CSharpNames.ComposedExportStatus(false, false, true, exportStatus);

            if (IsEvent)
            {
                writer.WriteIndentedLine($"{ExportString} event {TypeString} {AttributeString};");
            }
            else if (Type.GetSingletonString(writer, CSharpTypeFormats.Normal, CSharpNamespaceFormats.None, out string SingletonString))
            {
                writer.WriteIndentedLine($"{ExportString} {TypeString} {AttributeString} {{ get {{ return {SingletonString}; }} }}");
            }
            else if (EnsureList.Count > 0)
            {
                writer.WriteIndentedLine($"{ExportString} {TypeString} {AttributeString} {{ get; private set; }}");
                writer.WriteIndentedLine($"protected void Set_{AttributeString}({TypeString} value)");
                writer.WriteIndentedLine("{");
                writer.IncreaseIndent();

                writer.WriteIndentedLine($"{AttributeString} = value;");

                writer.WriteEmptyLine();
                foreach (ICSharpAssertion Assertion in EnsureList)
                {
                    Assertion.WriteCSharp(writer);
                }

                writer.DecreaseIndent();
                writer.WriteIndentedLine("}");
            }
            else
            {
                writer.WriteIndentedLine($"{ExportString} {TypeString} {AttributeString} {{ get; protected set; }}");
            }
        }
Esempio n. 6
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        /// <summary>
        /// Initializes a new instance of the <see cref="CSharpBody"/> class.
        /// </summary>
        /// <param name="context">The creation context.</param>
        /// <param name="parentFeature">The parent feature.</param>
        /// <param name="source">The Easly body from which the C# body is created.</param>
        protected CSharpBody(ICSharpContext context, ICSharpFeature parentFeature, IBody source)
        {
            Debug.Assert(source != null);

            ParentFeature = parentFeature;
            Source        = source;

            foreach (IAssertion Assertion in source.RequireList)
            {
                ICSharpAssertion NewAssertion = CSharpAssertion.Create(context, Assertion);
                RequireList.Add(NewAssertion);
            }

            foreach (IAssertion Assertion in source.EnsureList)
            {
                ICSharpAssertion NewAssertion = CSharpAssertion.Create(context, Assertion);
                EnsureList.Add(NewAssertion);
            }
        }
        /// <summary>
        /// Initializes a new instance of the <see cref="CSharpForLoopInstruction"/> class.
        /// </summary>
        /// <param name="context">The creation context.</param>
        /// <param name="parentFeature">The parent feature.</param>
        /// <param name="source">The Easly instruction from which the C# instruction is created.</param>
        protected CSharpForLoopInstruction(ICSharpContext context, ICSharpFeature parentFeature, IForLoopInstruction source)
            : base(context, parentFeature, source)
        {
            foreach (IEntityDeclaration Declaration in source.EntityDeclarationList)
            {
                ICSharpScopeAttributeFeature NewDeclaration = CSharpScopeAttributeFeature.Create(context, parentFeature.Owner, Declaration.ValidEntity.Item);
                EntityDeclarationList.Add(NewDeclaration);
            }

            foreach (IInstruction Instruction in source.InitInstructionList)
            {
                ICSharpInstruction NewInstruction = Create(context, parentFeature, Instruction);
                InitInstructionList.Add(NewInstruction);
            }

            WhileCondition = CSharpExpression.Create(context, (IExpression)source.WhileCondition);

            foreach (IInstruction Instruction in source.LoopInstructionList)
            {
                ICSharpInstruction NewInstruction = Create(context, parentFeature, Instruction);
                LoopInstructionList.Add(NewInstruction);
            }

            foreach (IInstruction Instruction in source.IterationInstructionList)
            {
                ICSharpInstruction NewInstruction = Create(context, parentFeature, Instruction);
                IterationInstructionList.Add(NewInstruction);
            }

            if (source.Variant.IsAssigned)
            {
                VariantExpression = CSharpExpression.Create(context, (IExpression)source.Variant.Item);
            }

            foreach (IAssertion Item in Source.InvariantList)
            {
                ICSharpAssertion NewAssertion = CSharpAssertion.Create(context, Item);
                InvariantList.Add(NewAssertion);
            }
        }
Esempio n. 8
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        /// <summary>
        /// Writes down the C# overload of a feature.
        /// </summary>
        /// <param name="writer">The stream on which to write.</param>
        /// <param name="featureTextType">The write mode.</param>
        /// <param name="isOverride">True if the feature is an override.</param>
        /// <param name="nameString">The composed feature name.</param>
        /// <param name="exportStatus">The feature export status.</param>
        /// <param name="isConstructor">True if the feature is a constructor.</param>
        /// <param name="isFirstFeature">True if the feature is the first in a list.</param>
        /// <param name="isMultiline">True if there is a separating line above.</param>
        public void WriteCSharp(ICSharpWriter writer, CSharpFeatureTextTypes featureTextType, bool isOverride, string nameString, CSharpExports exportStatus, bool isConstructor, ref bool isFirstFeature, ref bool isMultiline)
        {
            Debug.Assert(WriteDown);

            IList <ICSharpParameter> SelectedParameterList = ParameterList;
            IList <ICSharpParameter> SelectedResultList    = ResultList;

            if (isOverride && Precursor != null)
            {
                SelectedParameterList = Precursor.ParameterList;
                SelectedResultList    = Precursor.ResultList;
            }

            CSharpArgument.BuildParameterList(writer, SelectedParameterList, SelectedResultList, featureTextType, out string ArgumentEntityList, out string ArgumentNameList, out string ResultType);
            string ExportStatusText;

            if (featureTextType == CSharpFeatureTextTypes.Implementation)
            {
                bool IsHandled = false;

                switch (Body)
                {
                case ICSharpDeferredBody AsDeferredBody:
                    CSharpAssertion.WriteContract(writer, AsDeferredBody.RequireList, AsDeferredBody.EnsureList, CSharpContractLocations.Other, true, ref isFirstFeature, ref isMultiline);
                    ExportStatusText = CSharpNames.ComposedExportStatus(false, true, false, exportStatus);
                    writer.WriteIndentedLine($"{ExportStatusText} {ResultType} {nameString}({ArgumentEntityList});");
                    isMultiline = false;
                    IsHandled   = true;
                    break;

                case ICSharpEffectiveBody AsEffectiveBody:
                    CSharpAssertion.WriteContract(writer, AsEffectiveBody.RequireList, AsEffectiveBody.EnsureList, CSharpContractLocations.Other, true, ref isFirstFeature, ref isMultiline);

                    CSharpBodyFlags Flags                    = CSharpBodyFlags.MandatoryCurlyBrackets;
                    string          ResultString             = string.Empty;
                    List <string>   InitialisationStringList = new List <string>();

                    if (ResultList.Count == 1)
                    {
                        Flags |= CSharpBodyFlags.HasResult;
                        ICSharpParameter Result = ResultList[0];
                        ResultString = Result.Feature.Type.Type2CSharpString(writer, CSharpTypeFormats.AsInterface, CSharpNamespaceFormats.None);
                    }
                    else
                    {
                        if (ResultType != "void")
                        {
                            Flags       |= CSharpBodyFlags.HasResult;
                            ResultString = ResultType;
                        }

                        foreach (ICSharpParameter Item in ResultList)
                        {
                            string InitValueString;

                            ICSharpType ResultEntityType = Item.Feature.Type;

                            if (ResultEntityType is ICSharpClassType AsClassType)
                            {
                                // TODO: when the type inherit from Enumeration
                                if (AsClassType.Class.Source.ClassGuid == LanguageClasses.AnyOptionalReference.Guid)
                                {
                                    InitValueString = "new OptionalReference<>(null)";     // TODO
                                }
                                else if (AsClassType.Class.Source.ClassGuid == LanguageClasses.String.Guid)
                                {
                                    InitValueString = "\"\"";
                                }

                                else if (AsClassType.Class.Source.ClassGuid == LanguageClasses.Boolean.Guid)
                                {
                                    InitValueString = "false";
                                }

                                else if (AsClassType.Class.Source.ClassGuid == LanguageClasses.Character.Guid)
                                {
                                    InitValueString = "'\0'";
                                }

                                else if (AsClassType.Class.Source.ClassGuid == LanguageClasses.Number.Guid)
                                {
                                    InitValueString = "0";
                                }

                                else
                                {
                                    InitValueString = "null";
                                }
                            }

                            else
                            {
                                InitValueString = "null";     // TODO : tuples
                            }
                            string InitNameString = CSharpNames.ToCSharpIdentifier(Item.Name);

                            InitialisationStringList.Add($"{InitNameString} = {InitValueString};");
                        }
                    }

                    ExportStatusText = CSharpNames.ComposedExportStatus(isOverride, false, false, exportStatus);
                    writer.WriteIndentedLine($"{ExportStatusText} {ResultType} {nameString}({ArgumentEntityList})");

                    AsEffectiveBody.WriteCSharp(writer, Flags, ResultString, false, InitialisationStringList);
                    isMultiline = true;
                    IsHandled   = true;
                    break;

                case ICSharpPrecursorBody AsPrecursorBody:
                    if (isMultiline)
                    {
                        writer.WriteEmptyLine();
                    }

                    ExportStatusText = CSharpNames.ComposedExportStatus(true, false, false, exportStatus);
                    writer.WriteIndentedLine($"{ExportStatusText} {ResultType} {nameString}({ArgumentEntityList})");
                    writer.WriteIndentedLine("{");
                    writer.IncreaseIndent();
                    writer.WriteIndentedLine($"return base.{nameString}({ArgumentNameList});");
                    writer.DecreaseIndent();
                    writer.WriteIndentedLine("}");
                    isMultiline = true;
                    IsHandled   = true;
                    break;
                }

                Debug.Assert(IsHandled);
            }
            else
            {
                writer.WriteIndentedLine($"{ResultType} {nameString}({ArgumentEntityList});");
                isMultiline = false;
            }
        }
        private void WriteCSharpForcedReadWriteProperty(ICSharpWriter writer, bool isOverride, CSharpExports exportStatus, string propertyName, string resultType, ref bool isFirstFeature, ref bool isMultiline)
        {
            bool IsDeferred  = false;
            bool IsPrecursor = false;

            isFirstFeature = false;

            if (GetterBody != null)
            {
                if (GetterBody is ICSharpDeferredBody)
                {
                    IsDeferred = true;
                }

                if (GetterBody is ICSharpPrecursorBody)
                {
                    IsPrecursor = true;
                }
            }

            if (SetterBody != null)
            {
                if (SetterBody is ICSharpDeferredBody)
                {
                    IsDeferred = true;
                }

                if (SetterBody is ICSharpPrecursorBody)
                {
                    IsPrecursor = true;
                }
            }

            if (GetterBody != null || SetterBody != null)
            {
                if (IsDeferred)
                {
                    bool IsGetterMultiline = isMultiline;
                    bool IsSetterMultiline = isMultiline;

                    if (GetterBody != null)
                    {
                        ICSharpDeferredBody DeferredGetterBody = GetterBody as ICSharpDeferredBody;
                        Debug.Assert(DeferredGetterBody != null);

                        CSharpAssertion.WriteContract(writer, DeferredGetterBody.RequireList, DeferredGetterBody.EnsureList, CSharpContractLocations.Getter, false, ref isFirstFeature, ref IsGetterMultiline);
                        IsSetterMultiline = false;
                    }

                    if (SetterBody != null)
                    {
                        ICSharpDeferredBody DeferredSetterBody = SetterBody as ICSharpDeferredBody;
                        Debug.Assert(DeferredSetterBody != null);

                        CSharpAssertion.WriteContract(writer, DeferredSetterBody.RequireList, DeferredSetterBody.EnsureList, CSharpContractLocations.Setter, false, ref isFirstFeature, ref IsSetterMultiline);
                    }

                    string ExportStatusText = CSharpNames.ComposedExportStatus(false, true, false, exportStatus);
                    writer.WriteIndentedLine($"{ExportStatusText} {resultType} {propertyName} {{ get; set; }}");

                    isMultiline = IsGetterMultiline || IsSetterMultiline;
                }
                else
                {
                    if (isMultiline)
                    {
                        writer.WriteEmptyLine();
                    }

                    string ExportStatusText = CSharpNames.ComposedExportStatus(IsOverride, false, false, exportStatus);
                    writer.WriteIndentedLine($"{ExportStatusText} {resultType} {propertyName}");
                    writer.WriteIndentedLine("{");
                    writer.IncreaseIndent();

                    if (IsPrecursor)
                    {
                        if (Source.PropertyKind != BaseNode.UtilityType.WriteOnly)
                        {
                            writer.WriteIndentedLine($"get {{ return base.{propertyName}; }}");
                        }
                        else
                        {
                            writer.WriteIndentedLine($"get {{ throw new InvalidOperationException(); }}");
                        }

                        if (Source.PropertyKind != BaseNode.UtilityType.ReadOnly)
                        {
                            writer.WriteIndentedLine($"set {{ base.{propertyName} = value; }}");
                        }
                        else
                        {
                            writer.WriteIndentedLine($"set {{ throw new InvalidOperationException(); }}");
                        }
                    }
                    else
                    {
                        if (GetterBody != null)
                        {
                            ICSharpEffectiveBody EffectiveGetterBody = GetterBody as ICSharpEffectiveBody;
                            Debug.Assert(EffectiveGetterBody != null);

                            isMultiline = false;
                            CSharpAssertion.WriteContract(writer, EffectiveGetterBody.RequireList, EffectiveGetterBody.EnsureList, CSharpContractLocations.Other, false, ref isFirstFeature, ref isMultiline);

                            writer.WriteIndentedLine("get");
                            EffectiveGetterBody.WriteCSharp(writer, CSharpBodyFlags.MandatoryCurlyBrackets | CSharpBodyFlags.HasResult, resultType, false, new List <string>());
                        }
                        else
                        {
                            writer.WriteIndentedLine($"get {{ throw new InvalidOperationException(); }}");
                        }

                        if (SetterBody != null)
                        {
                            ICSharpEffectiveBody EffectiveSetterBody = SetterBody as ICSharpEffectiveBody;
                            Debug.Assert(EffectiveSetterBody != null);

                            isMultiline = false;
                            CSharpAssertion.WriteContract(writer, EffectiveSetterBody.RequireList, EffectiveSetterBody.EnsureList, CSharpContractLocations.Other, false, ref isFirstFeature, ref isMultiline);

                            writer.WriteIndentedLine("set");
                            EffectiveSetterBody.WriteCSharp(writer, CSharpBodyFlags.MandatoryCurlyBrackets | CSharpBodyFlags.HasValue, string.Empty, false, new List <string>());
                        }
                        else
                        {
                            writer.WriteIndentedLine($"set {{ throw new InvalidOperationException(); }}");
                        }
                    }

                    writer.DecreaseIndent();
                    writer.WriteIndentedLine("}");
                    isMultiline = true;
                }
            }

            else
            {
                if (isMultiline)
                {
                    writer.WriteEmptyLine();
                }

                string ExportStatusText = CSharpNames.ComposedExportStatus(IsOverride, false, false, exportStatus);
                writer.WriteIndentedLine($"{ExportStatusText} {resultType} {propertyName}");
                writer.WriteIndentedLine("{");
                writer.IncreaseIndent();

                if (Source.PropertyKind != BaseNode.UtilityType.WriteOnly)
                {
                    writer.WriteIndentedLine($"get {{ return _{propertyName}; }}");
                }
                else
                {
                    writer.WriteIndentedLine($"get {{ throw new InvalidOperationException(); }}");
                }

                if (Source.PropertyKind != BaseNode.UtilityType.ReadOnly)
                {
                    writer.WriteIndentedLine($"set {{ _{propertyName} = value; }}");
                }
                else
                {
                    writer.WriteIndentedLine($"set {{ throw new InvalidOperationException(); }}");
                }

                writer.DecreaseIndent();
                writer.WriteIndentedLine("}");
                isMultiline = true;
            }
        }
        private void WriteCSharpWriteOnlyProperty(ICSharpWriter writer, bool isOverride, CSharpExports exportStatus, string propertyName, string resultType, ref bool isFirstFeature, ref bool isMultiline)
        {
            bool IsDeferred  = false;
            bool IsPrecursor = false;

            isFirstFeature = false;

            if (SetterBody != null)
            {
                if (SetterBody is ICSharpDeferredBody)
                {
                    IsDeferred = true;
                }

                if (SetterBody is ICSharpPrecursorBody)
                {
                    IsPrecursor = true;
                }
            }

            if (SetterBody != null)
            {
                if (IsDeferred)
                {
                    ICSharpDeferredBody DeferredSetterBody = SetterBody as ICSharpDeferredBody;
                    Debug.Assert(DeferredSetterBody != null);

                    CSharpAssertion.WriteContract(writer, DeferredSetterBody.RequireList, DeferredSetterBody.EnsureList, CSharpContractLocations.Other, false, ref isFirstFeature, ref isMultiline);

                    string ExportStatusText = CSharpNames.ComposedExportStatus(false, true, false, exportStatus);
                    writer.WriteIndentedLine($"{ExportStatusText} {resultType} {propertyName} {{ protected get; set; }}");

                    isMultiline = false;
                }
                else
                {
                    if (isMultiline)
                    {
                        writer.WriteEmptyLine();
                    }

                    string ExportStatusText = CSharpNames.ComposedExportStatus(IsOverride, false, false, exportStatus);
                    writer.WriteIndentedLine($"{ExportStatusText} {resultType} {propertyName}");

                    if (IsPrecursor)
                    {
                        writer.WriteIndentedLine("{");
                        writer.IncreaseIndent();
                        writer.WriteIndentedLine($"set {{ base.{propertyName} = value; }}");
                        writer.DecreaseIndent();
                        writer.WriteIndentedLine("}");
                    }

                    else
                    {
                        writer.WriteIndentedLine("{");
                        writer.IncreaseIndent();
                        writer.WriteIndentedLine($"protected get {{ return _{propertyName}; }}");

                        ICSharpEffectiveBody EffectiveSetterBody = SetterBody as ICSharpEffectiveBody;
                        Debug.Assert(EffectiveSetterBody != null);

                        isMultiline = false;
                        CSharpAssertion.WriteContract(writer, EffectiveSetterBody.RequireList, EffectiveSetterBody.EnsureList, CSharpContractLocations.Other, false, ref isFirstFeature, ref isMultiline);

                        writer.WriteIndentedLine("set");
                        EffectiveSetterBody.WriteCSharp(writer, CSharpBodyFlags.MandatoryCurlyBrackets | CSharpBodyFlags.HasValue, string.Empty, false, new List <string>());

                        writer.DecreaseIndent();
                        writer.WriteIndentedLine("}");
                    }

                    isMultiline = true;
                }
            }

            else
            {
                if (isMultiline)
                {
                    writer.WriteEmptyLine();
                }

                string ExportStatusText = CSharpNames.ComposedExportStatus(IsOverride, false, false, exportStatus);
                writer.WriteIndentedLine($"{ExportStatusText} {resultType} {propertyName} {{ protected get; set; }}");

                isMultiline = false;
            }
        }
Esempio n. 11
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        private void WriteCSharpImplementation(ICSharpWriter writer, CSharpExports exportStatus, bool isLocal, ref bool isFirstFeature, ref bool isMultiline)
        {
            writer.WriteDocumentation(Source);

            string ResultType = EntityType.Type2CSharpString(writer, CSharpTypeFormats.AsInterface, CSharpNamespaceFormats.None);

            CSharpArgument.BuildParameterList(writer, IndexParameterList, out string ParameterEntityList, out string ParameterNameList);

            string Accessors;

            if (!IsForcedReadWrite && SetterBody == null)
            {
                Accessors = "{ get; }";
            }

            else if (!IsForcedReadWrite && GetterBody == null)
            {
                Accessors = "{ set; }";
            }

            else
            {
                Accessors = "{ get; set; }";
            }

            bool IsDeferred = false;

            if (GetterBody != null)
            {
                if (GetterBody is ICSharpDeferredBody)
                {
                    IsDeferred = true;
                }
                else
                {
                    IsDeferred = false;
                }
            }
            else if (SetterBody != null)
            {
                if (SetterBody is ICSharpDeferredBody)
                {
                    IsDeferred = true;
                }
                else
                {
                    IsDeferred = false;
                }
            }

            if (IsDeferred)
            {
                if (GetterBody is ICSharpDeferredBody AsDeferredGetterBody)
                {
                    CSharpAssertion.WriteContract(writer, AsDeferredGetterBody.RequireList, AsDeferredGetterBody.EnsureList, CSharpContractLocations.Getter, false, ref isFirstFeature, ref isMultiline);
                    isMultiline = false;
                }

                if (SetterBody is ICSharpDeferredBody AsDeferredSetterBody)
                {
                    CSharpAssertion.WriteContract(writer, AsDeferredSetterBody.RequireList, AsDeferredSetterBody.EnsureList, CSharpContractLocations.Setter, false, ref isFirstFeature, ref isMultiline);
                }

                string ExportStatusText = CSharpNames.ComposedExportStatus(false, true, false, exportStatus);
                writer.WriteIndentedLine($"{ExportStatusText} {ResultType} this[{ParameterEntityList}] {Accessors}");

                isMultiline = false;
            }
            else
            {
                string ExportStatusText = CSharpNames.ComposedExportStatus(IsOverride, false, false, exportStatus);

                writer.WriteIndentedLine($"{ExportStatusText} {ResultType} this[{ParameterEntityList}]");
                writer.WriteIndentedLine("{");
                writer.IncreaseIndent();

                bool IsPrecursor = false;
                if (GetterBody != null)
                {
                    if (GetterBody is ICSharpPrecursorBody)
                    {
                        IsPrecursor = true;
                    }
                    else
                    {
                        IsPrecursor = false;
                    }
                }
                else if (SetterBody != null)
                {
                    if (GetterBody is ICSharpPrecursorBody)
                    {
                        IsPrecursor = true;
                    }
                    else
                    {
                        IsPrecursor = false;
                    }
                }

                if (IsPrecursor)
                {
                    if (GetterBody is ICSharpPrecursorBody AsPrecursorGetterBody)
                    {
                        isMultiline = false;

                        CSharpAssertion.WriteContract(writer, AsPrecursorGetterBody.RequireList, AsPrecursorGetterBody.EnsureList, CSharpContractLocations.Other, false, ref isFirstFeature, ref isMultiline);
                        writer.WriteIndentedLine("get");
                        writer.WriteIndentedLine("{");
                        writer.IncreaseIndent();
                        writer.WriteIndentedLine($"return base[{ParameterEntityList}];");
                        writer.DecreaseIndent();
                        writer.WriteIndentedLine("}");
                    }
                    else if (IsForcedReadWrite)
                    {
                        writer.WriteIndentedLine("get { throw new InvalidOperationException(); }");
                    }

                    if (SetterBody is ICSharpPrecursorBody AsPrecursorSetterBody)
                    {
                        isMultiline = false;

                        CSharpAssertion.WriteContract(writer, AsPrecursorSetterBody.RequireList, AsPrecursorSetterBody.EnsureList, CSharpContractLocations.Other, false, ref isFirstFeature, ref isMultiline);
                        writer.WriteIndentedLine("set");
                        writer.WriteIndentedLine("{");
                        writer.IncreaseIndent();
                        writer.WriteIndentedLine($"base[{ParameterEntityList}] = value;");
                        writer.DecreaseIndent();
                        writer.WriteIndentedLine("}");
                    }

                    else if (IsForcedReadWrite)
                    {
                        writer.WriteIndentedLine("set { throw new InvalidOperationException(); }");
                    }
                }
                else
                {
                    if (GetterBody != null)
                    {
                        if (GetterBody is ICSharpEffectiveBody AsEffectiveGetterBody)
                        {
                            isMultiline = false;

                            CSharpAssertion.WriteContract(writer, AsEffectiveGetterBody.RequireList, AsEffectiveGetterBody.EnsureList, CSharpContractLocations.Other, false, ref isFirstFeature, ref isMultiline);
                            writer.WriteIndentedLine("get");
                            AsEffectiveGetterBody.WriteCSharp(writer, CSharpBodyFlags.MandatoryCurlyBrackets | CSharpBodyFlags.HasResult, ResultType, false, new List <string>());
                        }
                    }
                    else if (IsForcedReadWrite)
                    {
                        writer.WriteIndentedLine("get { throw new InvalidOperationException(); }");
                    }

                    if (SetterBody != null)
                    {
                        if (SetterBody is ICSharpEffectiveBody AsEffectiveSetterBody)
                        {
                            isMultiline = false;

                            CSharpAssertion.WriteContract(writer, AsEffectiveSetterBody.RequireList, AsEffectiveSetterBody.EnsureList, CSharpContractLocations.Other, false, ref isFirstFeature, ref isMultiline);
                            writer.WriteIndentedLine("set");
                            AsEffectiveSetterBody.WriteCSharp(writer, CSharpBodyFlags.MandatoryCurlyBrackets | CSharpBodyFlags.HasValue, string.Empty, false, new List <string>());
                        }
                    }
                    else if (IsForcedReadWrite)
                    {
                        writer.WriteIndentedLine("set { throw new InvalidOperationException(); }");
                    }
                }

                writer.DecreaseIndent();
                writer.WriteIndentedLine("}");

                isMultiline = true;
            }
        }