Contents

module Antlr4ruby
  class EmptyPredictionContext < SingletonPredictionContext
    INSTANCE = EmptyPredictionContext.new

    def initialize
      super(nil, EMPTY_RETURN_STATE)
    end

    def is_empty?
      true
    end

    def size
      1
    end

    def get_parent(index)
      nil
    end

    def get_return_state(index)
      return_state
    end

    def eql?(other)
      # todo
    end

    def to_s
      '$'
    end



  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
antlr4ruby-0.1.0	lib/antlr4ruby/atn/context/empty_prediction_context.rb