晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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sh-3ll 1.0
DIR:/opt/alt/ruby32/share/ruby/syntax_suggest/
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Current File : //opt/alt/ruby32/share/ruby/syntax_suggest/lex_value.rb
# frozen_string_literal: true

module SyntaxSuggest
  # Value object for accessing lex values
  #
  # This lex:
  #
  #   [1, 0], :on_ident, "describe", CMDARG
  #
  # Would translate into:
  #
  #  lex.line # => 1
  #  lex.type # => :on_indent
  #  lex.token # => "describe"
  class LexValue
    attr_reader :line, :type, :token, :state

    def initialize(line, type, token, state, last_lex = nil)
      @line = line
      @type = type
      @token = token
      @state = state

      set_kw_end(last_lex)
    end

    private def set_kw_end(last_lex)
      @is_end = false
      @is_kw = false
      return if type != :on_kw
      #
      return if last_lex && last_lex.fname? # https://github.com/ruby/ruby/commit/776759e300e4659bb7468e2b97c8c2d4359a2953

      case token
      when "if", "unless", "while", "until"
        # Only count if/unless when it's not a "trailing" if/unless
        # https://github.com/ruby/ruby/blob/06b44f819eb7b5ede1ff69cecb25682b56a1d60c/lib/irb/ruby-lex.rb#L374-L375
        @is_kw = true unless expr_label?
      when "def", "case", "for", "begin", "class", "module", "do"
        @is_kw = true
      when "end"
        @is_end = true
      end
    end

    def fname?
      state.allbits?(Ripper::EXPR_FNAME)
    end

    def ignore_newline?
      type == :on_ignored_nl
    end

    def is_end?
      @is_end
    end

    def is_kw?
      @is_kw
    end

    def expr_beg?
      state.anybits?(Ripper::EXPR_BEG)
    end

    def expr_label?
      state.allbits?(Ripper::EXPR_LABEL)
    end
  end
end