Contents

module Antlr4ruby

  class DFAState
    INITIAL_NUM_TRANSITIONS = 4

    INVALID_TYPE = 0
    BASIC = 1
    RULE_START = 2
    BLOCK_START = 3
    PLUS_BLOCK_START = 4
    STAR_BLOCK_START = 5
    TOKEN_START = 6
    RULE_STOP = 7
    BLOCK_END = 8
    STAR_LOOP_BACK = 9
    STAR_LOOP_ENTRY = 10
    PLUS_LOOP_BACK = 11
    LOOP_END = 12

    attr_accessor :state_number,
                  :configs,
                  :edges,
                  :is_accept_state,
                  :prediction,
                  :lexer_action_executor,
                  :requires_full_context,
                  :predicates

    class PredPrediction
      def initialize(pred, alt)
        @alt = alt
        @pred = pred
      end

      def to_s
        # todo
      end
    end

    def initialize(configs)
      @configs = ATNConfigSet.new
      @state_number = -1
      @edges = []
      @is_accept_state = false
      @prediction = 0
      @predicates = []

      if configs
        if configs.instance_of?(Integer)
          @state_number = configs
        elsif configs.instance_of?(ATNConfigSet)
          @configs = configs
        end
      end
    end

    def get_alt_set
      alts = Set.new
      if @configs
        # todo
      end
      if alts.empty?
        return nil
      end
      alts
    end

    def hash
      # todo
    end

    def eql?(other)
      # todo
    end

    def to_s
      # todo
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
antlr4ruby-0.1.0	lib/antlr4ruby/dfa/dfa_state.rb