RipperTree
RipperTree is like tree
command for Ripper#sexp.
Installation
$ gem install ripper_tree
Usage
You can use rtree
command.
sample.rb
1 + 1
exec rtree
command.
$ rtree sample.rb
result
:program
└──── :binary
├──── :@int ["1"] 1:0
├──── :+
└──── :@int ["1"] 1:4
if use in ruby code.
require 'ripper_tree'
require 'pp'
code =<<-CODE
puts "hello world"
CODE
pp Ripper.sexp(code)
puts
puts RipperTree.create(code)
result
[:program,
[[:command,
[:@ident, "puts", [1, 0]],
[:args_add_block,
[[:string_literal,
[:string_content, [:@tstring_content, "hello world", [1, 6]]]]],
false]]]]
:program
└──── :command
├──── :@ident ["puts"] 1:0
└──── :args_add_block
├──── :string_literal
│ └──── :string_content
│ └──── :@tstring_content ["hello world"] 1:6
└──── false
and can use -e "command"
option
$ rtree -e "1+2*3"
result
:program
└──── :binary
├──── :@int ["1"] 1:0
├──── :+
└──── :binary
├──── :@int ["2"] 1:2
├──── :*
└──── :@int ["3"] 1:4
Contributing
Bug reports and pull requests are welcome on GitHub at https://github.com/siman-man/ripper_tree. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.
License
The gem is available as open source under the terms of the MIT License.