private static ExpressionSyntax VisitAnonymousClassCreationExpression(ConversionContext context, ObjectCreationExpr newExpr, List <BodyDeclaration> anonBody)
        {
            string baseTypeName = TypeHelper.ConvertType(newExpr.getType().getName());
            string anonTypeName = string.Empty;

            for (int i = 0; i <= 100; i++)
            {
                if (i == 100)
                {
                    throw new InvalidOperationException("Too many anonymous types");
                }

                anonTypeName = string.Format("Anonymous{0}{1}", baseTypeName, i == 0 ? string.Empty : i.ToString());

                if (!context.UsedAnonymousTypeNames.Contains(anonTypeName))
                {
                    context.UsedAnonymousTypeNames.Add(anonTypeName);
                    break; // go with this one
                }
            }

            var classSyntax = SyntaxFactory.ClassDeclaration(anonTypeName)
                              .AddModifiers(
                SyntaxFactory.Token(SyntaxKind.PrivateKeyword),
                SyntaxFactory.Token(SyntaxKind.SealedKeyword))
                              .WithBaseList(SyntaxFactory.BaseList(SyntaxFactory.SeparatedList(new List <BaseTypeSyntax>
            {
                SyntaxFactory.SimpleBaseType(SyntaxFactory.ParseTypeName(baseTypeName))
            })));

            var parentField = SyntaxFactory.FieldDeclaration(
                SyntaxFactory.VariableDeclaration(SyntaxFactory.ParseTypeName(context.LastTypeName)).AddVariables(SyntaxFactory.VariableDeclarator("parent")))
                              .AddModifiers(SyntaxFactory.Token(SyntaxKind.PrivateKeyword), SyntaxFactory.Token(SyntaxKind.ReadOnlyKeyword));

            var ctorSyntax = SyntaxFactory.ConstructorDeclaration(anonTypeName)
                             .AddModifiers(SyntaxFactory.Token(SyntaxKind.PublicKeyword))
                             .AddParameterListParameters(SyntaxFactory.Parameter(SyntaxFactory.ParseToken("parent")).WithType(SyntaxFactory.ParseTypeName(context.LastTypeName)))
                             .AddBodyStatements(SyntaxFactory.ExpressionStatement(SyntaxFactory.AssignmentExpression(SyntaxKind.SimpleAssignmentExpression, SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, SyntaxFactory.ThisExpression(), SyntaxFactory.IdentifierName("parent")), SyntaxFactory.IdentifierName("parent"))));

            classSyntax = classSyntax.AddMembers(ctorSyntax, parentField);

            foreach (var member in anonBody)
            {
                var memberSyntax = BodyDeclarationVisitor.VisitBodyDeclarationForClass(context, classSyntax, member);
                if (memberSyntax != null)
                {
                    classSyntax = classSyntax.AddMembers(memberSyntax);
                }
            }

            context.PendingAnonymousTypes.Enqueue(classSyntax);

            var args = newExpr.getArgs().ToList <Expression>();

            if (args == null || args.Count == 0)
            {
                return(SyntaxFactory.ObjectCreationExpression(SyntaxFactory.ParseTypeName(anonTypeName))
                       .AddArgumentListArguments(SyntaxFactory.Argument(SyntaxFactory.ThisExpression())));
            }

            var argSyntaxes = new List <ArgumentSyntax>();

            argSyntaxes.Add(SyntaxFactory.Argument(SyntaxFactory.ThisExpression()));

            foreach (var arg in args)
            {
                var argSyntax = ExpressionVisitor.VisitExpression(context, arg);
                argSyntaxes.Add(SyntaxFactory.Argument(argSyntax));
            }

            return(SyntaxFactory.ObjectCreationExpression(SyntaxFactory.ParseTypeName(anonTypeName), SyntaxFactory.ArgumentList(SyntaxFactory.SeparatedList(argSyntaxes, Enumerable.Repeat(SyntaxFactory.Token(SyntaxKind.CommaToken), argSyntaxes.Count - 1))), null));
        }
Esempio n. 2
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        public override ExpressionSyntax Visit(ConversionContext context, BinaryExpr binaryExpr)
        {
            var leftExpr   = binaryExpr.getLeft();
            var leftSyntax = ExpressionVisitor.VisitExpression(context, leftExpr);

            var rightExpr   = binaryExpr.getRight();
            var rightSyntax = ExpressionVisitor.VisitExpression(context, rightExpr);

            var        op   = binaryExpr.getOperator();
            SyntaxKind kind = SyntaxKind.None;

            if (op == BinaryExpr.Operator.and)
            {
                kind = SyntaxKind.LogicalAndExpression;
            }
            else if (op == BinaryExpr.Operator.binAnd)
            {
                kind = SyntaxKind.BitwiseAndExpression;
            }
            else if (op == BinaryExpr.Operator.binOr)
            {
                kind = SyntaxKind.BitwiseOrExpression;
            }
            else if (op == BinaryExpr.Operator.divide)
            {
                kind = SyntaxKind.DivideExpression;
            }
            else if (op == BinaryExpr.Operator.equals)
            {
                kind = SyntaxKind.EqualsExpression;
            }
            else if (op == BinaryExpr.Operator.greater)
            {
                kind = SyntaxKind.GreaterThanExpression;
            }
            else if (op == BinaryExpr.Operator.greaterEquals)
            {
                kind = SyntaxKind.GreaterThanOrEqualExpression;
            }
            else if (op == BinaryExpr.Operator.less)
            {
                kind = SyntaxKind.LessThanExpression;
            }
            else if (op == BinaryExpr.Operator.lessEquals)
            {
                kind = SyntaxKind.LessThanOrEqualExpression;
            }
            else if (op == BinaryExpr.Operator.lShift)
            {
                kind = SyntaxKind.LeftShiftExpression;
            }
            else if (op == BinaryExpr.Operator.minus)
            {
                kind = SyntaxKind.SubtractExpression;
            }
            else if (op == BinaryExpr.Operator.notEquals)
            {
                kind = SyntaxKind.NotEqualsExpression;
            }
            else if (op == BinaryExpr.Operator.or)
            {
                kind = SyntaxKind.LogicalOrExpression;
            }
            else if (op == BinaryExpr.Operator.plus)
            {
                kind = SyntaxKind.AddExpression;
            }
            else if (op == BinaryExpr.Operator.remainder)
            {
                kind = SyntaxKind.ModuloExpression;
            }
            else if (op == BinaryExpr.Operator.rSignedShift)
            {
                kind = SyntaxKind.RightShiftExpression;
            }
            else if (op == BinaryExpr.Operator.rUnsignedShift)
            {
                kind = SyntaxKind.RightShiftExpression;
                context.Options.Warning("Use of unsigned right shift in original code; verify correctness.", binaryExpr.getBegin().line);
            }
            else if (op == BinaryExpr.Operator.times)
            {
                kind = SyntaxKind.MultiplyExpression;
            }
            else if (op == BinaryExpr.Operator.xor)
            {
                kind = SyntaxKind.ExclusiveOrExpression;
            }

            return(SyntaxFactory.BinaryExpression(kind, leftSyntax, rightSyntax));
        }