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Class: IRB::SLex

Do not use. This class is for internal use only.
Relationships & Source Files
Namespace Children
Classes:
Node
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Exception2MessageMapper
Inherits: Object
Defined in: lib/irb/slex.rb

Constant Summary

Class Method Summary

Instance Method Summary

Constructor Details

.new ⇒ SLex

[ GitHub ] 

  


# File 'lib/irb/slex.rb', line 31



def initialize
  @head = Node.new("")
end


  







Instance Method Details



  

    #create(token, preproc = nil, postproc = nil)  
  

  [ GitHub ]


  

  


# File 'lib/irb/slex.rb', line 66



def create(token, preproc = nil, postproc = nil)
  @head.create_subnode(token.split(//), preproc, postproc)
end


  








  

    #def_rule(token, preproc = nil, postproc = nil, &block)  
  

  [ GitHub ]


  

  


# File 'lib/irb/slex.rb', line 35



def def_rule(token, preproc = nil, postproc = nil, &block)
  D_DETAIL.pp token

  postproc = block if block_given?
  create(token, preproc, postproc)
end


  








  

    #def_rules(*tokens, &block)  
  

  [ GitHub ]


  

  


# File 'lib/irb/slex.rb', line 42



def def_rules(*tokens, &block)
  if block_given?
    p = block
  end
  for token in tokens
    def_rule(token, nil, p)
  end
end


  








  

    #inspect  
  

  [ GitHub ]


  

  


# File 'lib/irb/slex.rb', line 83



def inspect
  format("<SLex: @head = %s>", @head.inspect)
end


  








  

    #match(token)  
  

  [ GitHub ]


  

  


# File 'lib/irb/slex.rb', line 70



def match(token)
  case token
  when Array
  when String
    return match(token.split(//))
  else
    return @head.match_io(token)
  end
  ret = @head.match(token)
  D_DETAIL.exec_if{D_DETAIL.printf "match end: %s:%s\n", ret, token.inspect}
  ret
end


  








  

    #postproc(token)  
  



  

    

need a check?


  



  [ GitHub ]


  

  


# File 'lib/irb/slex.rb', line 57



def postproc(token)
  node = search(token, proc)
  node.postproc=proc
end


  








  

    #preproc(token, proc)  
  

  [ GitHub ]


  

  


# File 'lib/irb/slex.rb', line 51



def preproc(token, proc)
  node = search(token)
  node.preproc=proc
end


  








  

    #search(token)  
  

  [ GitHub ]


  

  


# File 'lib/irb/slex.rb', line 62



def search(token)
  @head.search(token.split(//))
end