AstTools

Tools for RubyVM::AST, available after ruby 2.6.0-preview2(exerimental).

Installation

Add this line to your application's Gemfile:

gem 'ast_tools'

And then execute:

$ bundle

Or install it yourself as:

$ gem install ast_tools

Usage

RubyVM::AST.parse("1 + 2").children
# => [nil, #<RubyVM::AST::Node(NODE_OPCALL(36) 1:0, 1:5): >]

AstTools::Hash.convert(RubyVM::AST.parse("1 + 2").children)
# => {"node_opcall"=>#<RubyVM::AST::Node(NODE_OPCALL(36) 1:0, 1:5): >}

# or refinement

module Foo
  using AstTools::Hash
  def self.foo
    RubyVM::AST.parse("1 + 2").children
    # => {"node_opcall"=>#<RubyVM::AST::Node(NODE_OPCALL(36) 1:0, 1:5): >}
  end
end

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 tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/hkdnet/ast_tools.

License

The gem is available as open source under the terms of the MIT License.