Class: Ripper::Lexer::Elem

Inherits:
Object
  • Object
show all
Defined in:
lib/ripper/lexer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pos, event, tok, state, message = nil) ⇒ Elem

Returns a new instance of Elem.



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# File 'lib/ripper/lexer.rb', line 91

def initialize(pos, event, tok, state, message = nil)
  @pos = pos
  @event = event
  @tok = tok
  @state = State.new(state)
  @message = message
end

Instance Attribute Details

#event ⇒ Object

Returns the value of attribute event.



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# File 'lib/ripper/lexer.rb', line 89

def event
  @event
end

#message ⇒ Object

Returns the value of attribute message.



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# File 'lib/ripper/lexer.rb', line 89

def message
  @message
end

#pos ⇒ Object

Returns the value of attribute pos.



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# File 'lib/ripper/lexer.rb', line 89

def pos
  @pos
end

#state ⇒ Object

Returns the value of attribute state.



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# File 'lib/ripper/lexer.rb', line 89

def state
  @state
end

#tok ⇒ Object

Returns the value of attribute tok.



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# File 'lib/ripper/lexer.rb', line 89

def tok
  @tok
end

Instance Method Details

#[](index) ⇒ Object 



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# File 'lib/ripper/lexer.rb', line 99

def [](index)
  case index
  when 0, :pos
    @pos
  when 1, :event
    @event
  when 2, :tok
    @tok
  when 3, :state
    @state
  when 4, :message
    @message
  else
    nil
  end
end

#inspect ⇒ Object Also known as: to_s 



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# File 'lib/ripper/lexer.rb', line 116

def inspect
  "#<#{self.class}: #{event}@#{pos[0]}:#{pos[1]}:#{state}: #{tok.inspect}#{": " if message}#{message}>"
end

#pretty_print(q) ⇒ Object 



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# File 'lib/ripper/lexer.rb', line 122

def pretty_print(q)
  q.group(2, "#<#{self.class}:", ">") {
    q.breakable
    q.text("#{event}@#{pos[0]}:#{pos[1]}")
    q.breakable
    state.pretty_print(q)
    q.breakable
    q.text("token: ")
    tok.pretty_print(q)
    if message
      q.breakable
      q.text("message: ")
      q.text(message)
    end
  }
end

#to_a ⇒ Object 



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# File 'lib/ripper/lexer.rb', line 139

def to_a
  if @message
    [@pos, @event, @tok, @state, @message]
  else
    [@pos, @event, @tok, @state]
  end
end