ParserNodeExt

It assigns names to the child nodes of the parser.

# node is a send node
node.receiver # get the receiver of node
node.message # get the message of node
node.arguments # get the arguments of node

It also adds some helpers

# node is a hash node
node.foo_pair # get the pair node of hash foo key
node.foo_value # get the value node of the hash foo key
node.foo_source # get the source of the value node of the hash foo key
node.keys # get key nodes of the hash node
node.values # get value nodes of the hash node

# all nodes
node.to_value # get the value of the node, like `true`, `false`, `nil`, `1`, `"foo"`
node.to_source # get the source code of the node

Add this line to your application's Gemfile:

gem 'parser_node_ext'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install parser_node_ext

require 'parser/current'
require 'parser_node_ext'

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and the created tag, and push the .gem file to rubygems.org.

Bug reports and pull requests are welcome on GitHub at https://github.com/[USERNAME]/parser_node_ext.