Varas 1.0

Pratt parser framework

Varas is a python Pratt parser framework, which aims to be general purpose and easy to use.

Pratt parsers (also known as top down operator precendence parsers) are simple to use and resonably efficent. There are a few articles describing them on the web:

http://javascript.crockford.com/tdop/tdop.html

http://eli.thegreenplace.net/2010/01/02/top-down-operator-precedence-parsing/

Installation

The source is available for download from github here:

https://github.com/JonCoppeard/varas/downloads

You can install it using python distutils:

$ python setup.py install