Module: Unparser

Defined in:
lib/unparser.rb,
lib/unparser/buffer.rb,
lib/unparser/emitter.rb,
lib/unparser/comments.rb,
lib/unparser/constants.rb,
lib/unparser/emitter/if.rb,
lib/unparser/emitter/def.rb,
lib/unparser/emitter/for.rb,
lib/unparser/emitter/case.rb,
lib/unparser/emitter/next.rb,
lib/unparser/emitter/redo.rb,
lib/unparser/emitter/root.rb,
lib/unparser/emitter/send.rb,
lib/unparser/emitter/alias.rb,
lib/unparser/emitter/begin.rb,
lib/unparser/emitter/block.rb,
lib/unparser/emitter/break.rb,
lib/unparser/emitter/cbase.rb,
lib/unparser/emitter/class.rb,
lib/unparser/emitter/empty.rb,
lib/unparser/emitter/match.rb,
lib/unparser/emitter/retry.rb,
lib/unparser/emitter/splat.rb,
lib/unparser/emitter/super.rb,
lib/unparser/emitter/undef.rb,
lib/unparser/emitter/yield.rb,
lib/unparser/emitter/binary.rb,
lib/unparser/emitter/ensure.rb,
lib/unparser/emitter/module.rb,
lib/unparser/emitter/rescue.rb,
lib/unparser/emitter/return.rb,
lib/unparser/emitter/defined.rb,
lib/unparser/emitter/hookexe.rb,
lib/unparser/emitter/literal.rb,
lib/unparser/emitter/resbody.rb,
lib/unparser/emitter/argument.rb,
lib/unparser/emitter/flipflop.rb,
lib/unparser/emitter/variable.rb,
lib/unparser/emitter/op_assign.rb,
lib/unparser/emitter/assignment.rb,
lib/unparser/emitter/repetition.rb,
lib/unparser/emitter/send/index.rb,
lib/unparser/emitter/send/unary.rb,
lib/unparser/emitter/send/binary.rb,
lib/unparser/emitter/send/regular.rb,
lib/unparser/emitter/literal/range.rb,
lib/unparser/emitter/literal/regexp.rb,
lib/unparser/emitter/literal/dynamic.rb,
lib/unparser/emitter/literal/composed.rb,
lib/unparser/emitter/literal/primitive.rb,
lib/unparser/emitter/literal/singleton.rb,
lib/unparser/emitter/literal/dynamic_body.rb,
lib/unparser/emitter/literal/execute_string.rb

Overview

Library namespace

Defined Under Namespace

Modules: Constants Classes: Buffer, Comments, Emitter

Constant Summary collapse

EMPTY_STRING = 
''.freeze
EMPTY_ARRAY = 
[].freeze

Class Method Summary collapse

Class Method Details

.transquote(raw_quoted, current_delimiter, target_delimiter) ⇒ String

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Transquote string

Parameters:

  • raw_quoted (String)
  • current_delimiter (String)
  • target_delimiter (String)

Returns:

  • (String) 


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# File 'lib/unparser.rb', line 42

def self.transquote(raw_quoted, current_delimiter, target_delimiter)
  raw = raw_quoted.gsub("\\#{current_delimiter}", current_delimiter)
  raw.gsub(target_delimiter, "\\#{target_delimiter}").freeze
end

.unparse(node, comment_array = []) ⇒ String

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Unparse an AST (and, optionally, comments) into a string

Parameters:

  • node (Parser::Node, nil)
  • comment_array (Array) (defaults to: [])

Returns:

  • (String) 


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# File 'lib/unparser.rb', line 21

def self.unparse(node, comment_array = [])
  if node.nil?
    node = Parser::AST::Node.new(:empty)
  end
  buffer = Buffer.new
  comments = Comments.new(comment_array)
  root = Emitter::Root.new(buffer, comments)
  Emitter.emitter(node, root).write_to_buffer
  buffer.content
end