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

Installation

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

Usage

require 'parser/current'
require 'parser_node_ext'

Development

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.

Contributing

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