How to use match_token_at_0 method of Gherkin Package

...190    end191    def match_token(state, token, context)192      case state193      when 0194        match_token_at_0(token, context)195      when 1196        match_token_at_1(token, context)197      when 2198        match_token_at_2(token, context)199      when 3200        match_token_at_3(token, context)201      when 4202        match_token_at_4(token, context)203      when 5204        match_token_at_5(token, context)205      when 6206        match_token_at_6(token, context)207      when 7208        match_token_at_7(token, context)209      when 8210        match_token_at_8(token, context)211      when 9212        match_token_at_9(token, context)213      when 10214        match_token_at_10(token, context)215      when 11216        match_token_at_11(token, context)217      when 12218        match_token_at_12(token, context)219      when 13220        match_token_at_13(token, context)221      when 14222        match_token_at_14(token, context)223      when 15224        match_token_at_15(token, context)225      when 16226        match_token_at_16(token, context)227      when 17228        match_token_at_17(token, context)229      when 18230        match_token_at_18(token, context)231      when 19232        match_token_at_19(token, context)233      when 20234        match_token_at_20(token, context)235      when 21236        match_token_at_21(token, context)237      when 22238        match_token_at_22(token, context)239      when 23240        match_token_at_23(token, context)241      when 24242        match_token_at_24(token, context)243      when 25244        match_token_at_25(token, context)245      when 26246        match_token_at_26(token, context)247      when 28248        match_token_at_28(token, context)249      when 29250        match_token_at_29(token, context)251      when 30252        match_token_at_30(token, context)253      when 31254        match_token_at_31(token, context)255      when 32256        match_token_at_32(token, context)257      when 33258        match_token_at_33(token, context)259      else260        raise InvalidOperationException, "Unknown state: #{state}"261      end262    end263    # Start264    def match_token_at_0(token, context)265      if match_EOF(context, token)266        build(context, token);267        return 27268      end269      if match_Language(context, token)270        start_rule(context, :Feature);271        start_rule(context, :Feature_Header);272        build(context, token);273        return 1274      end275      if match_TagLine(context, token)276        start_rule(context, :Feature);277        start_rule(context, :Feature_Header);278        start_rule(context, :Tags);...

...189  def match_StepLine(context, token); end190  def match_TableRow(context, token); end191  def match_TagLine(context, token); end192  def match_token(state, token, context); end193  def match_token_at_0(token, context); end194  def match_token_at_1(token, context); end195  def match_token_at_10(token, context); end196  def match_token_at_11(token, context); end197  def match_token_at_12(token, context); end198  def match_token_at_13(token, context); end199  def match_token_at_14(token, context); end200  def match_token_at_15(token, context); end201  def match_token_at_16(token, context); end202  def match_token_at_17(token, context); end203  def match_token_at_18(token, context); end204  def match_token_at_19(token, context); end205  def match_token_at_2(token, context); end206  def match_token_at_20(token, context); end207  def match_token_at_21(token, context); end...

1file = File.open("gherkin.feature")2gherkin.parse(text)3token = gherkin.match_token_at_0(0)4token = gherkin.match_token_at_0(1)5token = gherkin.match_token_at_0(2)6token = gherkin.match_token_at_0(3)7token = gherkin.match_token_at_0(4)8token = gherkin.match_token_at_0(5)9token = gherkin.match_token_at_0(6)10token = gherkin.match_token_at_0(7)11token = gherkin.match_token_at_0(8)12token = gherkin.match_token_at_0(9)13token = gherkin.match_token_at_0(10)14token = gherkin.match_token_at_0(11)15token = gherkin.match_token_at_0(12)16token = gherkin.match_token_at_0(16)17token = gherkin.match_token_at_0(14)18token = gherkin.match_token_at_0(15)

1path = File.join(File.dirname(__FILE__), 'features', 'test.feature')2file = File.open(path, 'r')3lexer = Lexer.new(file)4  if matcher.match_token_at_0(token, TokenMatcher::COMMENT)

1source = File.read('my_gherkin_file.feature')2gherkin = Gherkin::Gherkin.new(source)3token = gherkin.match_token_at_0(Gherkin::Token::Feature)

1path = File.join(File.dirname(__FILE__), 'features', 'test.feature')2file = File.open(path, 'r')3lexer = Lexer.new(file)4  if matcher.match_token_at_0(token, TokenMatcher::COMMENT)

1source = File.read('my_gherkin_file.feature')2gherkin = Gherkin::Gherkin.new(source)3token = gherkin.match_token_at_0(Gherkin::Token::Feature)

1  Token.new('Feature', 'Feature', 1),2  Token.new('Feature', 'Feature', 1),3  Token.new('Feature', 'Feature', 1),4  Token.new('Feature', 'Feature', 1),5  Token.new('Feature', 'Feature', 1),6  Token.new('Feature', 'Feature', 1),7  Token.new('Feature', 'Feature', 1),8  Token.new('Feature', 'Feature', 1),9  Token.new('Feature', 'Feature', 1),10  Token.new('Feature', 'Feature', 1),11  Token.new('Feature', 'Feature', 1),12  Token.new('Feature', 'Feature', 1),13  Token.new('Feature', 'Feature', 1),14  Token.new('Feature', 'Feature', 1),15  Token.new('Feature', 'Feature', 1),16  Token.new('Feature', 'Feature', 1),17  Token.new('Feature', 'Feature', 1),18  Token.new('Feature', 'Feature', 1)19puts gherkin.match_token_at_0(tokens)

1def match_token_at_0(string)2match_token_at_0("Given")3match_token_at_0("Given ")4match_token_at_0("Given a")5match_token_at_0("Given an")6match_token_at_0("Given a ")7match_token_at_0("Given an ")8match_token_at_0("Given an apple")9match_token_at_0("Given an apple ")10match_token_at_0("Given an apple11match_token_at_0("Given an apple12match_token_at_0("Given an apple13match_token_at_0("Given an apple14match_token_at_0("Given an apple15match_token_at_0("Given an apple16match_token_at_0("Given an apple17match_token_at_0("Given an apple18match_token_at_0("Given an apple19match_token_at_0("Given an apple

1Gherkin.match_token_at_0(['Given', 'I', 'have', 'a', 'cat'])2Gherkin.match_token_at_0(['When', 'I', 'have', 'a', 'dog'])3Gherkin.match_token_at_0(['Then', 'I', 'have', 'a', 'parrot'])4Gherkin.match_token_at_0(['And', 'I', 'have', 'a', 'parrot'])5Gherkin.match_token_at_0(['But', 'I', 'have', 'a', 'parrot'])6Gherkin.match_token_at_0(['When', 'I', 'have', 'a', 'parrot'])7Gherkin.match_token_at_0(['Then', 'I', '