public void Test_can_parse_parenthesized_expression_for_binary_expression_for_two_parenthesized_expressions()
{
CmsqlParser cmsqlParser =
CmsqlParserFactory.CreateParserForQuery(
"((jon != 'stark' and john = 'snow') or (arya = 'stark' and sansa = 'stark'))");
CmsqlParser.ParenthesizedExpressionContext parseTree =
(CmsqlParser.ParenthesizedExpressionContext)cmsqlParser.expression();
ExpressionVisitor visitor = new ExpressionVisitor();
CmsqlQueryBinaryExpression binaryExpression = (CmsqlQueryBinaryExpression)visitor.VisitParenthesizedExpression(parseTree);
binaryExpression.LeftExpression.Should().BeOfType <CmsqlQueryBinaryExpression>();
binaryExpression.LeftExpression.Should().NotBeNull();
binaryExpression.RightExpression.Should().BeOfType <CmsqlQueryBinaryExpression>();
binaryExpression.RightExpression.Should().NotBeNull();
CmsqlQueryBinaryExpression leftParenthesizedBinaryExpression = (CmsqlQueryBinaryExpression)binaryExpression.LeftExpression;
leftParenthesizedBinaryExpression.LeftExpression.Should().BeOfType <CmsqlQueryCondition>();
leftParenthesizedBinaryExpression.LeftExpression.Should().NotBeNull();
leftParenthesizedBinaryExpression.RightExpression.Should().BeOfType <CmsqlQueryCondition>();
leftParenthesizedBinaryExpression.RightExpression.Should().NotBeNull();
CmsqlQueryBinaryExpression rightParenthesizedBinaryExpression = (CmsqlQueryBinaryExpression)binaryExpression.RightExpression;
rightParenthesizedBinaryExpression.LeftExpression.Should().BeOfType <CmsqlQueryCondition>();
rightParenthesizedBinaryExpression.LeftExpression.Should().NotBeNull();
rightParenthesizedBinaryExpression.RightExpression.Should().BeOfType <CmsqlQueryCondition>();
rightParenthesizedBinaryExpression.RightExpression.Should().NotBeNull();
}
public void Test_can_parse_parenthesized_expression_containing_condition_expression()
{
CmsqlParser cmsqlParser = CmsqlParserFactory.CreateParserForQuery("(foo != 'bar')");
CmsqlParser.ParenthesizedExpressionContext parseTree =
(CmsqlParser.ParenthesizedExpressionContext)cmsqlParser.expression();
ExpressionVisitor visitor = new ExpressionVisitor();
ICmsqlQueryExpression expression = visitor.VisitParenthesizedExpression(parseTree);
expression.Should().BeOfType <CmsqlQueryCondition>();
expression.Should().NotBeNull();
}
public void Test_can_parse_parenthesized_expression_for_binary_expression()
{
CmsqlParser cmsqlParser = CmsqlParserFactory.CreateParserForQuery("(foo != 'bar' and bar = 'foo')");
CmsqlParser.ParenthesizedExpressionContext parseTree =
(CmsqlParser.ParenthesizedExpressionContext)cmsqlParser.expression();
ExpressionVisitor visitor = new ExpressionVisitor();
CmsqlQueryBinaryExpression binaryExpression = (CmsqlQueryBinaryExpression)visitor.VisitParenthesizedExpression(parseTree);
binaryExpression.LeftExpression.Should().BeOfType <CmsqlQueryCondition>();
binaryExpression.LeftExpression.Should().NotBeNull();
binaryExpression.RightExpression.Should().BeOfType <CmsqlQueryCondition>();
binaryExpression.RightExpression.Should().NotBeNull();
}
public override ICmsqlQueryExpression VisitParenthesizedExpression(CmsqlParser.ParenthesizedExpressionContext context)
{
ExpressionVisitor expressionVisitor = new ExpressionVisitor();
return(context.expression().Accept(expressionVisitor));
}