1 About this document A few months ago I began a personal project to learn a bit more about how parsers and compilers work. Here are some notes that I made during that project. Maybe they will be of use to you. 1.1 What I want... I'd like to learn how to write parsers and compilers. If I could write my own parsers and compilers, I could do things like: write compilers or parsers for my own little