private static IList <SyntaxNode> CreateEqualsMethodStatements( ISyntaxFactoryService factory, Compilation compilation, INamedTypeSymbol containingType, IEnumerable <ISymbol> members, CancellationToken cancellationToken) { var statements = new List <SyntaxNode>(); var parts = StringBreaker.BreakIntoWordParts(containingType.Name); string localName = "v"; for (int i = parts.Count - 1; i >= 0; i--) { var p = parts[i]; if (char.IsLetter(containingType.Name[p.Start])) { localName = containingType.Name.Substring(p.Start, p.Length).ToCamelCase(); break; } } var localNameExpression = factory.CreateIdentifierName(localName); var objNameExpression = factory.CreateIdentifierName(ObjName); var expressions = new List <SyntaxNode>(); if (containingType.IsValueType) { #if false if (!(obj is MyType)) { return(false); } #endif var ifStatement = factory.CreateIfStatement( factory.CreateLogicalNotExpression( factory.CreateIsExpression( objNameExpression, containingType)), new[] { factory.CreateReturnStatement(factory.CreateFalseExpression()) }); #if false var myType = (MyType)obj; #endif var localDeclaration = factory.CreateLocalDeclarationStatement( factory.CreateVariableDeclarator(localName, factory.CreateCastExpression(containingType, objNameExpression))); statements.Add(ifStatement); statements.Add(localDeclaration); } else { #if false var myType = obj as MyType; #endif var localDeclaration = factory.CreateLocalDeclarationStatement( factory.CreateVariableDeclarator(localName, factory.CreateAsExpression(objNameExpression, containingType))); statements.Add(localDeclaration); #if false myType != null #endif expressions.Add(factory.CreateReferenceNotEqualsExpression(localNameExpression, factory.CreateNullExpression())); if (HasExistingBaseEqualsMethod(containingType, cancellationToken)) { #if false base.Equals(obj) #endif expressions.Add(factory.CreateInvocationExpression( factory.CreateMemberAccessExpression( factory.CreateBaseExpression(), factory.CreateIdentifierName(EqualsName)), objNameExpression)); } } foreach (var member in members) { var symbolNameExpression = factory.CreateIdentifierName(member.Name); var thisSymbol = factory.CreateMemberAccessExpression(factory.CreateThisExpression(), symbolNameExpression).WithAdditionalAnnotations(Simplification.Simplifier.Annotation); var otherSymbol = factory.CreateMemberAccessExpression(localNameExpression, symbolNameExpression); #if false EqualityComparer <SType> .Default.Equals(this.S1, myType.S1) #endif var expression = factory.CreateInvocationExpression( factory.CreateMemberAccessExpression( GetDefaultEqualityComparer(factory, compilation, member), factory.CreateIdentifierName(EqualsName)), thisSymbol, otherSymbol); expressions.Add(expression); } #if false return(myType != null && base.Equals(obj) && EqualityComparer <int> .Default.Equals(this.S1, myType.S1) &&...); #endif statements.Add(factory.CreateReturnStatement( expressions.Aggregate(factory.CreateLogicalAndExpression))); return(statements); }
private static IList<SyntaxNode> CreateEqualsMethodStatements( ISyntaxFactoryService factory, Compilation compilation, INamedTypeSymbol containingType, IEnumerable<ISymbol> members, CancellationToken cancellationToken) { var statements = new List<SyntaxNode>(); var parts = StringBreaker.BreakIntoWordParts(containingType.Name); string localName = "v"; for (int i = parts.Count - 1; i >= 0; i--) { var p = parts[i]; if (char.IsLetter(containingType.Name[p.Start])) { localName = containingType.Name.Substring(p.Start, p.Length).ToCamelCase(); break; } } var localNameExpression = factory.CreateIdentifierName(localName); var objNameExpression = factory.CreateIdentifierName(ObjName); var expressions = new List<SyntaxNode>(); if (containingType.IsValueType) { #if false if (!(obj is MyType)) { return false; } #endif var ifStatement = factory.CreateIfStatement( factory.CreateLogicalNotExpression( factory.CreateIsExpression( objNameExpression, containingType)), new[] { factory.CreateReturnStatement(factory.CreateFalseExpression()) }); #if false var myType = (MyType)obj; #endif var localDeclaration = factory.CreateLocalDeclarationStatement( factory.CreateVariableDeclarator(localName, factory.CreateCastExpression(containingType, objNameExpression))); statements.Add(ifStatement); statements.Add(localDeclaration); } else { #if false var myType = obj as MyType; #endif var localDeclaration = factory.CreateLocalDeclarationStatement( factory.CreateVariableDeclarator(localName, factory.CreateAsExpression(objNameExpression, containingType))); statements.Add(localDeclaration); #if false myType != null #endif expressions.Add(factory.CreateReferenceNotEqualsExpression(localNameExpression, factory.CreateNullExpression())); if (HasExistingBaseEqualsMethod(containingType, cancellationToken)) { #if false base.Equals(obj) #endif expressions.Add(factory.CreateInvocationExpression( factory.CreateMemberAccessExpression( factory.CreateBaseExpression(), factory.CreateIdentifierName(EqualsName)), objNameExpression)); } } foreach (var member in members) { var symbolNameExpression = factory.CreateIdentifierName(member.Name); var thisSymbol = factory.CreateMemberAccessExpression(factory.CreateThisExpression(), symbolNameExpression).WithAdditionalAnnotations(Simplification.Simplifier.Annotation); var otherSymbol = factory.CreateMemberAccessExpression(localNameExpression, symbolNameExpression); #if false EqualityComparer<SType>.Default.Equals(this.S1, myType.S1) #endif var expression = factory.CreateInvocationExpression( factory.CreateMemberAccessExpression( GetDefaultEqualityComparer(factory, compilation, member), factory.CreateIdentifierName(EqualsName)), thisSymbol, otherSymbol); expressions.Add(expression); } #if false return myType != null && base.Equals(obj) && EqualityComparer<int>.Default.Equals(this.S1, myType.S1) && ...; #endif statements.Add(factory.CreateReturnStatement( expressions.Aggregate(factory.CreateLogicalAndExpression))); return statements; }