Job Description Hello! To Apply you MUST have used Irony (http://irony.codeplex.com), and MUST ONLY mention relevant experience. I have a simple Query Language that looks something like this: (( Table1^Col2 >= "000000000" AND Table1^Col1 < 200 ) OR ( Table3^Col6 >= 2 AND Table3^Col5 LIKE "ABC%")) OR Table1^Col55 = Function(Table1^Col1,"234") I would like to use Irony to parse and generate AST You only need to send the actual C# code, I will be testing your code inside Irony Grammar Explorer 2010. Thanks Keywords: Scripts & Utilities, c#, .net, grammar