module Unparser::Writer

def self.included(descendant)
  descendant.class_eval do
    include Adamantium, Anima.new(:buffer, :comments, :explicit_encoding, :node, :local_variable_scope)
    extend DSL
  end
end

def emitter(node)
  Emitter.emitter(
    buffer:               buffer,
    comments:             comments,
    explicit_encoding:    explicit_encoding,
    local_variable_scope: local_variable_scope,
    node:                 node
  )
end

def round_trips?(source:)
  parser = Unparser.parser
  local_variable_scope.local_variables_for_node(node).each do |local_variable|
    parser.declare_local_variable(local_variable)
  end
  buffer = Buffer.new
  buffer.write_encoding(explicit_encoding) if explicit_encoding
  buffer.write(source)
  node.eql?(parser.parse(Unparser.buffer(buffer.content)))
rescue Parser::SyntaxError
  false
end