pratt

= pratt

This is an implementation of a pratt parser, as described in https://journal.stuffwithstuff.com/2011/03/19/pratt-parsers-expression-parsing-made-easy/, code at https://github.com/munificent/bantam.

The library as it is provides the parsing engine. You need to describe the language that you are parsing before you can use it. The directory 'src/bantam' provides a description of the 'bantam' language, which is an example of how to use it. And please read the above site!

== Installation

1. Add the dependency to your shard.yml:

   dependencies:
     pratt:
       github: gundy818/pratt
   

2. Run shards install

== Usage

  require "pratt"

== Development

This is pretty much a word for word translation of the original Java source code. Crystal is my new favourite language, but I have not been using it for long. It is likely that there are many ways that this could be improved to make it more 'crystaline' / less 'javonic', and patches which do this are very welcome.

== Contributing

1. Fork it (https://github.com/gundy818/pratt/fork)
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

== Contributors

• Darryl - creator and maintainer
• [Bob Nystrom](https://github.com/munificent - original idea and Java implementation