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////
//// EqualityMembersGenerator.cs
////
//// Author:
//// Mike Krüger <mkrueger@novell.com>
////
//// Copyright (c) 2009 Novell, Inc (http://www.novell.com)
////
//// Permission is hereby granted, free of charge, to any person obtaining a copy
//// of this software and associated documentation files (the "Software"), to deal
//// in the Software without restriction, including without limitation the rights
//// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//// copies of the Software, and to permit persons to whom the Software is
//// furnished to do so, subject to the following conditions:
////
//// The above copyright notice and this permission notice shall be included in
//// all copies or substantial portions of the Software.
////
//// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//// THE SOFTWARE.
//
//using System.Collections.Generic;
//using MonoDevelop.Core;
//using Microsoft.CodeAnalysis;
//using ICSharpCode.NRefactory.CSharp;
//using ICSharpCode.NRefactory6.CSharp;
//
//namespace MonoDevelop.CodeGeneration
//{
// class EqualityMembersGenerator : ICodeGenerator
// {
// public string Icon {
// get {
// return "md-newmethod";
// }
// }
//
// public string Text {
// get {
// return GettextCatalog.GetString ("Equality members");
// }
// }
//
// public string GenerateDescription {
// get {
// return GettextCatalog.GetString ("Select members to include in equality.");
// }
// }
//
// public bool IsValid (CodeGenerationOptions options)
// {
// return new CreateEquality (options).IsValid ();
// }
//
// public IGenerateAction InitalizeSelection (CodeGenerationOptions options, Gtk.TreeView treeView)
// {
// var createEventMethod = new CreateEquality (options);
// createEventMethod.Initialize (treeView);
// return createEventMethod;
// }
//
// class CreateEquality : AbstractGenerateAction
// {
// public CreateEquality (CodeGenerationOptions options) : base (options)
// {
// }
//
// protected override IEnumerable<object> GetValidMembers ()
// {
// if (Options.EnclosingType == null || Options.EnclosingMember != null)
// yield break;
// foreach (IFieldSymbol field in Options.EnclosingType.GetMembers ().OfType<IFieldSymbol> ()) {
// if (field.IsImplicitlyDeclared)
// continue;
// yield return field;
// }
//
// foreach (IPropertySymbol property in Options.EnclosingType.GetMembers ().OfType<IPropertySymbol> ()) {
// if (property.IsImplicitlyDeclared)
// continue;
// if (property.GetMethod != null)
// yield return property;
// }
// }
//
// protected override IEnumerable<string> GenerateCode (List<object> includedMembers)
// {
// // Genereate Equals
// var methodDeclaration = new MethodDeclaration ();
// methodDeclaration.Name = "Equals";
//
// methodDeclaration.ReturnType = new PrimitiveType ("bool");
// methodDeclaration.Modifiers = Modifiers.Public | Modifiers.Override;
// methodDeclaration.Body = new BlockStatement ();
// methodDeclaration.Parameters.Add (new ParameterDeclaration (new PrimitiveType ("object"), "obj"));
// var paramId = new IdentifierExpression ("obj");
// var ifStatement = new IfElseStatement ();
// ifStatement.Condition = new BinaryOperatorExpression (paramId, BinaryOperatorType.Equality, new PrimitiveExpression (null));
// ifStatement.TrueStatement = new ReturnStatement (new PrimitiveExpression (false));
// methodDeclaration.Body.Statements.Add (ifStatement);
//
// ifStatement = new IfElseStatement ();
// var arguments = new List<Expression> ();
// arguments.Add (new ThisReferenceExpression ());
// arguments.Add (paramId.Clone ());
// ifStatement.Condition = new InvocationExpression (new IdentifierExpression ("ReferenceEquals"), arguments);
// ifStatement.TrueStatement = new ReturnStatement (new PrimitiveExpression (true));
// methodDeclaration.Body.Statements.Add (ifStatement);
//
// ifStatement = new IfElseStatement ();
// ifStatement.Condition = new BinaryOperatorExpression (new InvocationExpression (new MemberReferenceExpression (paramId.Clone (), "GetType")), BinaryOperatorType.InEquality, new TypeOfExpression (new SimpleType (Options.EnclosingType.Name)));
// ifStatement.TrueStatement = new ReturnStatement (new PrimitiveExpression (false));
// methodDeclaration.Body.Statements.Add (ifStatement);
//
// var varType = new SimpleType (Options.EnclosingType.Name);
// var varDecl = new VariableDeclarationStatement (varType, "other", new CastExpression (varType.Clone (), paramId.Clone ()));
// methodDeclaration.Body.Statements.Add (varDecl);
//
// var otherId = new IdentifierExpression ("other");
// Expression binOp = null;
// foreach (ISymbol member in includedMembers) {
// Expression right = new BinaryOperatorExpression (new IdentifierExpression (member.Name), BinaryOperatorType.Equality, new MemberReferenceExpression (otherId.Clone (), member.Name));
// binOp = binOp == null ? right : new BinaryOperatorExpression (binOp, BinaryOperatorType.ConditionalAnd, right);
// }
//
// methodDeclaration.Body.Statements.Add (new ReturnStatement (binOp));
// yield return methodDeclaration.ToString ();
//
// methodDeclaration = new MethodDeclaration ();
// methodDeclaration.Name = "GetHashCode";
//
// methodDeclaration.ReturnType = new PrimitiveType ("int");
// methodDeclaration.Modifiers = Modifiers.Public | Modifiers.Override;
// methodDeclaration.Body = new BlockStatement ();
//
// binOp = null;
// foreach (ISymbol member in includedMembers) {
// Expression right;
// right = new InvocationExpression (new MemberReferenceExpression (new IdentifierExpression (member.Name), "GetHashCode"));
//
// var type = member.GetReturnType ();
// if (type != null && type.TypeKind != TypeKind.Struct && type.TypeKind != TypeKind.Enum)
// right = new ParenthesizedExpression (new ConditionalExpression (new BinaryOperatorExpression (new IdentifierExpression (member.Name), BinaryOperatorType.InEquality, new PrimitiveExpression (null)), right, new PrimitiveExpression (0)));
//
// binOp = binOp == null ? right : new BinaryOperatorExpression (binOp, BinaryOperatorType.ExclusiveOr, right);
// }
// var uncheckedBlock = new BlockStatement ();
// uncheckedBlock.Statements.Add (new ReturnStatement (binOp));
//
// methodDeclaration.Body.Statements.Add (new UncheckedStatement (uncheckedBlock));
// yield return methodDeclaration.ToString ();
// }
// }
// }
//}
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