public override DomainId <IAstNode> VisitTypeCheckExpression(QlParser.TypeCheckExpressionContext context) { var leftExpression = m_astFactory.CreateUntypedVariableName(context.leftIdentifier.Text); var rightExpression = m_astFactory.CreateUntypedVariableName(context.rightIdentifier.Text); return(CreateRelationalOperation( context.relationalOperator().chosenOperator.Type, context.GetText(), leftExpression, rightExpression, context.relationalOperator().chosenOperator.Text)); }