parser

A Ruby parser written in pure Ruby.

$gem install parser

Official docs outline

Extra Credit builds an outline of parser's docs the first time your work uses it. Until then, start at the official documentation.

unicode-display_width [Unicode 18.0.0] Determines the monospace display width of a string using EastAsianWidth.txt, Unicode general category, Emoji specification,
builder Builder provides a number of builder objects that make creating structured data simple to do. Currently the following builder objects are s
multipart-post A multipart form post accessory for Net::HTTP.
mime-types The mime-types library provides a library and registry for information about MIME content type definitions. It can be used to determine defi
activemodel A toolkit for building modeling frameworks like Active Record. Rich support for attributes, callbacks, validations, serialization, internati
mini_mime A minimal mime type library
activerecord Databases on Rails. Build a persistent domain model by mapping database tables to Ruby classes. Strong conventions for associations, validat
rexml An XML toolkit for Ruby
parallel Run any kind of code in parallel processes
actionpack Web apps on Rails. Simple, battle-tested conventions for building and testing MVC web applications. Works with any Rack-compatible server.
jwt A pure ruby implementation of the RFC 7519 OAuth JSON Web Token (JWT) standard.
rack-test Rack::Test is a small, simple testing API for Rack apps. It can be used on its own or as a reusable starting point for Web frameworks and te