pry--pry/lib/pry/rbx_path.rb

class Pry
  module RbxPath
    module_function
    def is_core_path?(path)
      path.start_with?("kernel")
    end

    def convert_path_to_full(path)
      if rvm_ruby?(Rubinius::BIN_PATH)
        rvm_convert_path_to_full(path)
      else
        std_convert_path_to_full(path)
      end
    end

    def rvm_ruby?(path)
      !!(path =~ /\.rvm/)
    end

    def rvm_convert_path_to_full(path)
      ruby_name = File.dirname(Rubinius::BIN_PATH).split("/").last
      source_path = File.join(File.dirname(File.dirname(File.dirname(Rubinius::BIN_PATH))),  "src", ruby_name)
      file_name = File.join(source_path, path)
      raise "Cannot find rbx core source" if !File.exists?(file_name)
      file_name
    end

    def std_convert_path_to_full(path)
      file_name = File.join(Rubinius::BIN_PATH, "..", path)
      raise "Cannot find rbx core source" if !File.exists?(file_name)
      file_name
    end
  end
end