Base library for a lexer that can be used in Top-Down, Recursive Descent Parsers.
Wrapper around PHP's tokenizer extension.
A small library for converting tokenized PHP source code into XML (and potentially other formats)
A validating SQL lexer and parser with a focus on MySQL dialect.
Syntax highlighting for Twig with the {% codeblock %} tag.
Smarty 3.1 lexer / parser generator
Translate a lexer file with a format similar to re2c (http://re2c.org) into a PHP 5 lexer for use with a parser.