Class: Ripper::SexpBuilder

Do not use. This class is for internal use only.

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Subclasses: SexpBuilderPP
Super Chains via Extension / Inclusion / Inheritance
Class Chain: self, ::Ripper
Instance Chain: self, ::Ripper
Inherits:	Ripper ::Object Ripper Ripper::SexpBuilder
Defined in:	ext/ripper/lib/ripper/sexp.rb

Constant Summary

::Ripper - Inherited

EVENTS, PARSER_EVENTS, SCANNER_EVENTS, Version

Class Method Summary

::Ripper - Inherited

.dedent_string,
.lex	Tokenizes the Ruby program and returns an array of an array, which is formatted like `[[lineno, column], type, token, state]`.
.lex_state_name,
.new	Create a new ::Ripper object.
.parse	Parses the given Ruby program read from `src`.
.sexp	EXPERIMENTAL Parses `src` and create S-exp tree.
.sexp_raw	EXPERIMENTAL Parses `src` and create S-exp tree.
.slice	EXPERIMENTAL Parses `src` and return a string which was matched to `pattern`.
.tokenize	Tokenizes the Ruby program and returns an array of strings.
.token_match

Instance Attribute Summary

::Ripper - Inherited

#end_seen?	Return true if parsed source ended by `_END_`.
#error?	Return true if parsed source has errors.
#yydebug	Get yydebug.
#yydebug=	Set yydebug.

Instance Method Summary

#dedent_element(e, width) private
#on_heredoc_dedent(val, width) private

::Ripper - Inherited

#column	Return column number of current parsing line.
#encoding	Return encoding of the source.
#filename	Return current parsing filename.
#lineno	Return line number of current parsing line.
#parse	Start parsing and returns the value of the root action.
#state	Return scanner state of current token.
#_dispatch_0, #_dispatch_1, #_dispatch_2, #_dispatch_3, #_dispatch_4, #_dispatch_5, #_dispatch_6, #_dispatch_7,
#compile_error	This method is called when the parser found syntax error.
#dedent_string	Alias for dedent_string.
#warn	This method is called when weak warning is produced by the parser.
#warning	This method is called when strong warning is produced by the parser.

Constructor Details

This class inherits a constructor from Ripper

Instance Method Details

#dedent_element(e, width) (private)

[ GitHub ]

# File 'ext/ripper/lib/ripper/sexp.rb', line 66


def dedent_element(e, width)
  if (n = dedent_string(e[1], width)) > 0
    e[2][1] += n
  end
  e
end

#on_heredoc_dedent(val, width) (private)

[ GitHub ]

# File 'ext/ripper/lib/ripper/sexp.rb', line 73


def on_heredoc_dedent(val, width)
  sub = proc do |cont|
    cont.map! do |e|
      if Array === e
        case e[0]
        when :@tstring_content
          e = dedent_element(e, width)
        when /_add\z/
          e[1] = sub[e[1]]
        end
      elsif String === e
        dedent_string(e, width)
      end
      e
    end
  end
  sub[val]
  val
end