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Viewing changes to Core/src/NRefactory/NRefactoryASTGenerator/Attributes.cs

  • Committer: Bazaar Package Importer
  • Author(s): Sebastian Dröge
  • Date: 2006-08-18 00:51:23 UTC
  • mfrom: (1.1.3 upstream)
  • Revision ID: james.westby@ubuntu.com-20060818005123-5iit07y0j7wjg55f
Tags: 0.11+svn20060818-0ubuntu1
* New SVN snapshot
  + Works with Gtk# 2.9.0
* debian/control:
  + Updated Build-Depends
* debian/patches/use_nunit2.2.dpatch,
  debian/patches/use_real_libs.dpatch:
  + Updated
* debian/patches/versioncontrol_buildfix.dpatch:
  + Fix build failure in the version control addin

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Core/src/NRefactory/NRefactoryASTGenerator/Attributes.cs
 
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// <file>
 
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//     <copyright see="prj:///doc/copyright.txt"/>
 
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//     <license see="prj:///doc/license.txt"/>
 
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//     <owner name="Daniel Grunwald" email="daniel@danielgrunwald.de"/>
 
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//     <version>$Revision: 979 $</version>
 
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// </file>
 
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using System;
 
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using System.CodeDom;
 
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namespace NRefactoryASTGenerator
 
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{
 
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        public enum NullableImplementation
 
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        {
 
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                /// <summary>
 
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                /// Implement INullable with a virtual bool IsNull, create Null class and static instance
 
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                /// of it.
 
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                /// </summary>
 
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                Default,
 
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                /// <summary>
 
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                /// Create Null class and a static instance using the "new" modifier.
 
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                /// </summary>
 
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                Shadow,
 
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                /// <summary>
 
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                /// Implement INullable with a virtual bool IsNull.
 
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                /// </summary>
 
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                Abstract,
 
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                /// <summary>
 
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                /// Complete an abstract nullable implementation by creating the Null class
 
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                /// and the static instance.
 
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                /// </summary>
 
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                CompleteAbstract
 
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        }
 
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        public abstract class TypeImplementationModifierAttribute : Attribute
 
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        {
 
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                public abstract void ModifyImplementation(CodeNamespace cns, CodeTypeDeclaration ctd, Type type);
 
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        }
 
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        [AttributeUsage(AttributeTargets.Class)]
 
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        public class CustomImplementationAttribute : Attribute
 
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        {
 
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        }
 
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        [AttributeUsage(AttributeTargets.Class)]
 
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        public class HasChildrenAttribute : Attribute
 
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        {
 
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        }
 
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        [AttributeUsage(AttributeTargets.Field)]
 
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        public class QuestionMarkDefaultAttribute : Attribute
 
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        {
 
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        }
 
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        [AttributeUsage(AttributeTargets.Class)]
 
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        public class FixOperatorDeclarationAttribute : TypeImplementationModifierAttribute
 
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        {
 
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                public override void ModifyImplementation(CodeNamespace cns, CodeTypeDeclaration ctd, Type type)
 
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                {
 
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                        foreach (object o in ctd.Members) {
 
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                                CodeConstructor cc = o as CodeConstructor;
 
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                                if (cc != null) {
 
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                                        cc.BaseConstructorArgs[0] = new CodePrimitiveExpression(null);
 
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                                }
 
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                        }
 
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                }
 
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        }
 
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        [AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
 
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        public class IncludeMemberAttribute : TypeImplementationModifierAttribute
 
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        {
 
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                string code;
 
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                public IncludeMemberAttribute(string code)
 
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                {
 
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                        this.code = code;
 
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                }
 
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                public override void ModifyImplementation(CodeNamespace cns, CodeTypeDeclaration ctd, Type type)
 
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                {
 
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                        ctd.Members.Add(new CodeSnippetTypeMember(code));
 
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                }
 
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        }
 
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        [AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
 
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        public class IncludeBoolPropertyAttribute : TypeImplementationModifierAttribute
 
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        {
 
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                string name;
 
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                string code;
 
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                public IncludeBoolPropertyAttribute(string name, string code)
 
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                {
 
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                        this.name = name;
 
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                        this.code = code;
 
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                }
 
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                public override void ModifyImplementation(CodeNamespace cns, CodeTypeDeclaration ctd, Type type)
 
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                {
 
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                        CodeMemberProperty prop = new CodeMemberProperty();
 
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                        prop.Name = name;
 
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                        prop.Type = new CodeTypeReference(typeof(bool));
 
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                        prop.Attributes = MemberAttributes.Public | MemberAttributes.Final;
 
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                        prop.GetStatements.Add(new CodeSnippetStatement("\t\t\t\t" + code));
 
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                        ctd.Members.Add(prop);
 
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                }
 
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        }
 
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        [AttributeUsage(AttributeTargets.Class)]
 
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        public class ImplementNullableAttribute : TypeImplementationModifierAttribute
 
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        {
 
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                NullableImplementation implementation;
 
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                public ImplementNullableAttribute()
 
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                {
 
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                        this.implementation = NullableImplementation.Default;
 
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                }
 
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                public ImplementNullableAttribute(NullableImplementation implementation)
 
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                {
 
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                        this.implementation = implementation;
 
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                }
 
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                public override void ModifyImplementation(CodeNamespace cns, CodeTypeDeclaration ctd, Type type)
 
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                {
 
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                        if (implementation == NullableImplementation.Default || implementation == NullableImplementation.Abstract) {
 
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                                ctd.BaseTypes.Add(new CodeTypeReference("INullable"));
 
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                                CodeMemberProperty prop = new CodeMemberProperty();
 
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                                prop.Name = "IsNull";
 
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                                prop.Type = new CodeTypeReference(typeof(bool));
 
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                                prop.Attributes = MemberAttributes.Public;
 
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                                prop.GetStatements.Add(new CodeMethodReturnStatement(new CodePrimitiveExpression(false)));
 
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                                ctd.Members.Add(prop);
 
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                        }
 
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                        if (implementation != NullableImplementation.Abstract) {
 
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                                CodeTypeDeclaration newType = new CodeTypeDeclaration("Null" + ctd.Name);
 
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                                newType.BaseTypes.Add(new CodeTypeReference(ctd.Name));
 
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                                cns.Types.Add(newType);
 
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                                System.Reflection.ConstructorInfo baseCtor = MainClass.GetBaseCtor(type);
 
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                                CodeConstructor ctor = new CodeConstructor();
 
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                                ctor.Attributes = MemberAttributes.Private;
 
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                                if (baseCtor != null) {
 
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                                        foreach (object o in baseCtor.GetParameters()) {
 
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                                                ctor.BaseConstructorArgs.Add(new CodePrimitiveExpression(null));
 
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                                        }
 
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                                }
 
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                                newType.Members.Add(ctor);
 
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                                CodeMemberField field = new CodeMemberField(newType.Name, "instance");
 
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                                field.Attributes = MemberAttributes.Static;
 
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                                field.InitExpression = new CodeObjectCreateExpression(new CodeTypeReference(newType.Name));
 
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                                newType.Members.Add(field);
 
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                                CodeMemberProperty prop = new CodeMemberProperty();
 
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                                prop.Name = "Instance";
 
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                                prop.Type = new CodeTypeReference(newType.Name);
 
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                                prop.Attributes = MemberAttributes.Public | MemberAttributes.Static;
 
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                                prop.GetStatements.Add(new CodeMethodReturnStatement(new CodeVariableReferenceExpression("instance")));
 
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                                newType.Members.Add(prop);
 
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                                prop = new CodeMemberProperty();
 
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                                prop.Name = "IsNull";
 
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                                prop.Type = new CodeTypeReference(typeof(bool));
 
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                                prop.Attributes = MemberAttributes.Public | MemberAttributes.Override;
 
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                                prop.GetStatements.Add(new CodeMethodReturnStatement(new CodePrimitiveExpression(true)));
 
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                                newType.Members.Add(prop);
 
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                                CodeMemberMethod method = new CodeMemberMethod();
 
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                                method.Name = "AcceptVisitor";
 
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                                method.Attributes = MemberAttributes.Public | MemberAttributes.Override;
 
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                                method.Parameters.Add(new CodeParameterDeclarationExpression("IAstVisitor", "visitor"));
 
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                                method.Parameters.Add(new CodeParameterDeclarationExpression(typeof(object), "data"));
 
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                                method.ReturnType = new CodeTypeReference(typeof(object));
 
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                                method.Statements.Add(new CodeMethodReturnStatement(new CodePrimitiveExpression(null)));
 
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                                newType.Members.Add(method);
 
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                                method = new CodeMemberMethod();
 
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                                method.Name = "ToString";
 
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                                method.Attributes = MemberAttributes.Public | MemberAttributes.Override;
 
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                                method.ReturnType = new CodeTypeReference(typeof(string));
 
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                                method.Statements.Add(new CodeMethodReturnStatement(new CodePrimitiveExpression("[" + newType.Name + "]")));
 
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                                newType.Members.Add(method);
 
183
                                
 
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                                prop = new CodeMemberProperty();
 
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                                prop.Name = "Null";
 
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                                prop.Type = new CodeTypeReference(ctd.Name);
 
187
                                prop.Attributes = MemberAttributes.Public | MemberAttributes.Static;
 
188
                                if (implementation == NullableImplementation.Shadow) {
 
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                                        prop.Attributes |= MemberAttributes.New;
 
190
                                }
 
191
                                CodeExpression ex = new CodeTypeReferenceExpression(newType.Name);
 
192
                                ex = new CodePropertyReferenceExpression(ex, "Instance");
 
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                                prop.GetStatements.Add(new CodeMethodReturnStatement(ex));
 
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                                ctd.Members.Add(prop);
 
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                        }
 
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                }
 
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        }
 
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}