private void VisitBinaryConstantExpression(BinaryExpression expression)
{
ConstantExpression constant = expression.TryGetExpressionOfType <ConstantExpression>();
if (expression.HasExpressionOfType <MemberExpression>())
{
MemberExpression member = expression.TryGetExpressionOfType <MemberExpression>();
VisitBinaryMemberExpression(expression.NodeType, member, constant);
}
else if (expression.HasExpressionOfType <SubQueryExpression>())
{
SubQueryExpression subQuery = expression.TryGetExpressionOfType <SubQueryExpression>();
VisitBinarySubQueryExpression(expression.NodeType, subQuery, constant);
}
else if (expression.HasExpressionOfType <QuerySourceReferenceExpression>())
{
QuerySourceReferenceExpression querySource = expression.TryGetExpressionOfType <QuerySourceReferenceExpression>();
VisitBinaryQuerySourceReferenceExpression(expression.NodeType, querySource, constant);
}
else if (expression.HasExpressionOfType <MethodCallExpression>())
{
MethodCallExpression methodCall = expression.TryGetExpressionOfType <MethodCallExpression>();
VisitBinaryMethodCallExpression(expression.NodeType, methodCall, constant);
}
}
protected override Expression VisitBinary(BinaryExpression binary)
{
switch (binary.NodeType)
{
case ExpressionType.Equal:
case ExpressionType.NotEqual:
case ExpressionType.GreaterThan:
case ExpressionType.GreaterThanOrEqual:
case ExpressionType.LessThan:
case ExpressionType.LessThanOrEqual:
{
if (binary.HasExpressionOfType <ConstantExpression>())
{
VisitBinaryConstantExpression(binary);
}
break;
}
case ExpressionType.AndAlso:
{
VisitBinaryAndAlsoExpression(binary);
break;
}
case ExpressionType.OrElse:
{
VisitBinaryOrElseExpression(binary);
break;
}
}
return(binary);
}