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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
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

USE OF RIPPER LIBRARY ONLY.
.lex

Tokenizes the Ruby program and returns an array of an array, which is formatted like [[lineno, column], type, token, state].
.lex_state_name

Returns a string representation of lex_state.
.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

#debug_output

Get debug output.
#debug_output=

Set debug output.
#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

::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.
#token

Return the current token string.
#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.
#assert_Qundef, #rawVALUE, #validate_object, #_dispatch_0, #_dispatch_1, #_dispatch_2, #_dispatch_3, #_dispatch_4, #_dispatch_5, #_dispatch_6, #_dispatch_7

Constructor Details

This class inherits a constructor from Ripper

Instance Attribute Details

#error (readonly)

[ GitHub ] 

  


# File 'ext/ripper/lib/ripper/sexp.rb', line 84



attr_reader :error


  







Instance Method Details



  

    #compile_error(mesg)   (private)
  



  

    

Alias for #on_error.


  



  [ GitHub ]


  

  


# File 'ext/ripper/lib/ripper/sexp.rb', line 138



alias compile_error on_error


  








  

    #dedent_element(e, width)   (private)
  

  [ GitHub ]


  

  


# File 'ext/ripper/lib/ripper/sexp.rb', line 88



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


  








  

    #on_error(mesg)   (private)
    Also known as: #on_parse_error, #compile_error
  

  [ GitHub ]


  

  


# File 'ext/ripper/lib/ripper/sexp.rb', line 133



def on_error(mesg)
  @error = mesg
end


  








  

    #on_heredoc_dedent(val, width)   (private)
  

  [ GitHub ]


  

  


# File 'ext/ripper/lib/ripper/sexp.rb', line 95



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


  








  

    #on_parse_error(mesg)   (private)
  



  

    

Alias for #on_error.


  



  [ GitHub ]


  

  


# File 'ext/ripper/lib/ripper/sexp.rb', line 137



alias on_parse_error on_error