Parsing Expressions With Xtext

Parsing simple XML-like, structural languages with Xtext is a no-brainer. However, parsing nested expressions is often considered a bit more complicated. This is due to their recursive nature and also because with Xtext you have to avoid left-recursive parser rules. As the…

Xtext Core — Less is More

In this post I want to give a short update of what we’ve been doing in Xtext and what the future plans are. As you probably know, Xtext has been around for a couple of years growing into a very mature framework for implementing full blown programming languages like Xtend as well as…

Taming The Lexer

Language parsing is traditionally split into two phases: Lexing and Parsing. In this post I want to talk about how a Lexer generally works and what you can do if it doesn’t.

What A Lexer Does