Class: Gherkin3::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/gherkin3/parser.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ast_builder = AstBuilder.new) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/gherkin3/parser.rb', line 63

def initialize(ast_builder=AstBuilder.new)
  @ast_builder = ast_builder
end

Instance Attribute Details

#stop_at_first_error ⇒ Object

Returns the value of attribute stop_at_first_error.



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# File 'lib/gherkin3/parser.rb', line 61

def stop_at_first_error
  @stop_at_first_error
end

Instance Method Details

#add_error(context, error) ⇒ Object

Raises:



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# File 'lib/gherkin3/parser.rb', line 100

def add_error(context, error)
  context.errors.push(error)
  raise CompositeParserException, context.errors if context.errors.length > 10
end

#build(context, token) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 94

def build(context, token)
  handle_ast_error(context) do
    @ast_builder.build(token)
  end
end

#end_rule(context, rule_type) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 111

def end_rule(context, rule_type)
  handle_ast_error(context) do
    @ast_builder.end_rule(rule_type)
  end
end

#get_result ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 117

def get_result()
  @ast_builder.get_result
end

#lookahead_0(context, currentToken) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 1866

def lookahead_0(context, currentToken)
  currentToken.detach
  token = nil
  queue = []
  match = false
  loop do
    token = read_token(context)
    token.detach
    queue.push(token)

    if (false || match_ExamplesLine(context, token))
      match = true
      break
    end

    break unless (false || match_Empty(context, token)|| match_Comment(context, token)|| match_TagLine(context, token))
  end

  context.token_queue.concat(queue)

  return match
end

#match_BackgroundLine(context, token) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 160

def match_BackgroundLine( context, token)
  return false if token.eof?
  return handle_external_error(context, false) do
    context.token_matcher.match_BackgroundLine(token)
  end
end

#match_Comment(context, token) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 139

def match_Comment( context, token)
  return false if token.eof?
  return handle_external_error(context, false) do
    context.token_matcher.match_Comment(token)
  end
end

#match_DocStringSeparator(context, token) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 195

def match_DocStringSeparator( context, token)
  return false if token.eof?
  return handle_external_error(context, false) do
    context.token_matcher.match_DocStringSeparator(token)
  end
end

#match_Empty(context, token) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 132

def match_Empty( context, token)
  return false if token.eof?
  return handle_external_error(context, false) do
    context.token_matcher.match_Empty(token)
  end
end

#match_EOF(context, token) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 126

def match_EOF( context, token)
  return handle_external_error(context, false) do
    context.token_matcher.match_EOF(token)
  end
end

#match_ExamplesLine(context, token) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 181

def match_ExamplesLine( context, token)
  return false if token.eof?
  return handle_external_error(context, false) do
    context.token_matcher.match_ExamplesLine(token)
  end
end

#match_FeatureLine(context, token) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 153

def match_FeatureLine( context, token)
  return false if token.eof?
  return handle_external_error(context, false) do
    context.token_matcher.match_FeatureLine(token)
  end
end

#match_Language(context, token) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 209

def match_Language( context, token)
  return false if token.eof?
  return handle_external_error(context, false) do
    context.token_matcher.match_Language(token)
  end
end

#match_Other(context, token) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 216

def match_Other( context, token)
  return false if token.eof?
  return handle_external_error(context, false) do
    context.token_matcher.match_Other(token)
  end
end

#match_ScenarioLine(context, token) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 167

def match_ScenarioLine( context, token)
  return false if token.eof?
  return handle_external_error(context, false) do
    context.token_matcher.match_ScenarioLine(token)
  end
end

#match_ScenarioOutlineLine(context, token) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 174

def match_ScenarioOutlineLine( context, token)
  return false if token.eof?
  return handle_external_error(context, false) do
    context.token_matcher.match_ScenarioOutlineLine(token)
  end
end

#match_StepLine(context, token) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 188

def match_StepLine( context, token)
  return false if token.eof?
  return handle_external_error(context, false) do
    context.token_matcher.match_StepLine(token)
  end
end

#match_TableRow(context, token) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 202

def match_TableRow( context, token)
  return false if token.eof?
  return handle_external_error(context, false) do
    context.token_matcher.match_TableRow(token)
  end
end

#match_TagLine(context, token) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 146

def match_TagLine( context, token)
  return false if token.eof?
  return handle_external_error(context, false) do
    context.token_matcher.match_TagLine(token)
  end
end

#match_token(state, token, context) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 223

def match_token(state, token, context)
  case state
  when 0
    match_token_at_0(token, context)
  when 1
    match_token_at_1(token, context)
  when 2
    match_token_at_2(token, context)
  when 3
    match_token_at_3(token, context)
  when 4
    match_token_at_4(token, context)
  when 5
    match_token_at_5(token, context)
  when 6
    match_token_at_6(token, context)
  when 7
    match_token_at_7(token, context)
  when 8
    match_token_at_8(token, context)
  when 9
    match_token_at_9(token, context)
  when 10
    match_token_at_10(token, context)
  when 11
    match_token_at_11(token, context)
  when 12
    match_token_at_12(token, context)
  when 13
    match_token_at_13(token, context)
  when 14
    match_token_at_14(token, context)
  when 15
    match_token_at_15(token, context)
  when 16
    match_token_at_16(token, context)
  when 17
    match_token_at_17(token, context)
  when 18
    match_token_at_18(token, context)
  when 19
    match_token_at_19(token, context)
  when 20
    match_token_at_20(token, context)
  when 21
    match_token_at_21(token, context)
  when 22
    match_token_at_22(token, context)
  when 23
    match_token_at_23(token, context)
  when 24
    match_token_at_24(token, context)
  when 25
    match_token_at_25(token, context)
  when 26
    match_token_at_26(token, context)
  when 27
    match_token_at_27(token, context)
  when 29
    match_token_at_29(token, context)
  when 30
    match_token_at_30(token, context)
  when 31
    match_token_at_31(token, context)
  when 32
    match_token_at_32(token, context)
  when 33
    match_token_at_33(token, context)
  when 34
    match_token_at_34(token, context)
  else
    raise InvalidOperationException, "Unknown state: #{state}"
  end
end

#match_token_at_0(token, context) ⇒ Object

Start



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# File 'lib/gherkin3/parser.rb', line 300

def match_token_at_0(token, context)
  if match_Language(context, token)
    start_rule(context, :Feature_Header);
    build(context, token);
    return 1
  end
  if match_TagLine(context, token)
    start_rule(context, :Feature_Header);
    start_rule(context, :Tags);
    build(context, token);
    return 2
  end
  if match_FeatureLine(context, token)
    start_rule(context, :Feature_Header);
    build(context, token);
    return 3
  end
  if match_Comment(context, token)
    build(context, token);
    return 0
  end
  if match_Empty(context, token)
    build(context, token);
    return 0
  end
  
  state_comment = "State: 0 - Start"
  token.detach
  expected_tokens = ["#Language", "#TagLine", "#FeatureLine", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 0
end

#match_token_at_1(token, context) ⇒ Object

Feature:0>Feature_Header:0>#Language:0



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# File 'lib/gherkin3/parser.rb', line 336

def match_token_at_1(token, context)
  if match_TagLine(context, token)
    start_rule(context, :Tags);
    build(context, token);
    return 2
  end
  if match_FeatureLine(context, token)
    build(context, token);
    return 3
  end
  if match_Comment(context, token)
    build(context, token);
    return 1
  end
  if match_Empty(context, token)
    build(context, token);
    return 1
  end
  
  state_comment = "State: 1 - Feature:0>Feature_Header:0>#Language:0"
  token.detach
  expected_tokens = ["#TagLine", "#FeatureLine", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 1
end

#match_token_at_10(token, context) ⇒ Object

Feature:1>Background:2>Scenario_Step:0>Step:1>Step_Arg:0>__alt1:0>DataTable:0>#TableRow:0



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# File 'lib/gherkin3/parser.rb', line 791

def match_token_at_10(token, context)
  if match_EOF(context, token)
    end_rule(context, :DataTable);
    end_rule(context, :Step);
    end_rule(context, :Background);
    build(context, token);
    return 28
  end
  if match_TableRow(context, token)
    build(context, token);
    return 10
  end
  if match_StepLine(context, token)
    end_rule(context, :DataTable);
    end_rule(context, :Step);
    start_rule(context, :Step);
    build(context, token);
    return 9
  end
  if match_TagLine(context, token)
    end_rule(context, :DataTable);
    end_rule(context, :Step);
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :DataTable);
    end_rule(context, :Step);
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :DataTable);
    end_rule(context, :Step);
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Comment(context, token)
    build(context, token);
    return 10
  end
  if match_Empty(context, token)
    build(context, token);
    return 10
  end
  
  state_comment = "State: 10 - Feature:1>Background:2>Scenario_Step:0>Step:1>Step_Arg:0>__alt1:0>DataTable:0>#TableRow:0"
  token.detach
  expected_tokens = ["#EOF", "#TableRow", "#StepLine", "#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 10
end

#match_token_at_11(token, context) ⇒ Object

Feature:2>Scenario_Definition:0>Tags:0>#TagLine:0



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# File 'lib/gherkin3/parser.rb', line 856

def match_token_at_11(token, context)
  if match_TagLine(context, token)
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :Tags);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :Tags);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Comment(context, token)
    build(context, token);
    return 11
  end
  if match_Empty(context, token)
    build(context, token);
    return 11
  end
  
  state_comment = "State: 11 - Feature:2>Scenario_Definition:0>Tags:0>#TagLine:0"
  token.detach
  expected_tokens = ["#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 11
end

#match_token_at_12(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:0>Scenario:0>#ScenarioLine:0



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# File 'lib/gherkin3/parser.rb', line 892

def match_token_at_12(token, context)
  if match_EOF(context, token)
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    build(context, token);
    return 28
  end
  if match_Empty(context, token)
    build(context, token);
    return 12
  end
  if match_Comment(context, token)
    build(context, token);
    return 14
  end
  if match_StepLine(context, token)
    start_rule(context, :Step);
    build(context, token);
    return 15
  end
  if match_TagLine(context, token)
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Other(context, token)
    start_rule(context, :Description);
    build(context, token);
    return 13
  end
  
  state_comment = "State: 12 - Feature:2>Scenario_Definition:1>__alt0:0>Scenario:0>#ScenarioLine:0"
  token.detach
  expected_tokens = ["#EOF", "#Empty", "#Comment", "#StepLine", "#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Other"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 12
end

#match_token_at_13(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:0>Scenario:1>Scenario_Description:0>Description_Helper:1>Description:0>#Other:0



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# File 'lib/gherkin3/parser.rb', line 952

def match_token_at_13(token, context)
  if match_EOF(context, token)
    end_rule(context, :Description);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    build(context, token);
    return 28
  end
  if match_Comment(context, token)
    end_rule(context, :Description);
    build(context, token);
    return 14
  end
  if match_StepLine(context, token)
    end_rule(context, :Description);
    start_rule(context, :Step);
    build(context, token);
    return 15
  end
  if match_TagLine(context, token)
    end_rule(context, :Description);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :Description);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :Description);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Other(context, token)
    build(context, token);
    return 13
  end
  
  state_comment = "State: 13 - Feature:2>Scenario_Definition:1>__alt0:0>Scenario:1>Scenario_Description:0>Description_Helper:1>Description:0>#Other:0"
  token.detach
  expected_tokens = ["#EOF", "#Comment", "#StepLine", "#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Other"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 13
end

#match_token_at_14(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:0>Scenario:1>Scenario_Description:0>Description_Helper:2>#Comment:0



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# File 'lib/gherkin3/parser.rb', line 1013

def match_token_at_14(token, context)
  if match_EOF(context, token)
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    build(context, token);
    return 28
  end
  if match_Comment(context, token)
    build(context, token);
    return 14
  end
  if match_StepLine(context, token)
    start_rule(context, :Step);
    build(context, token);
    return 15
  end
  if match_TagLine(context, token)
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Empty(context, token)
    build(context, token);
    return 14
  end
  
  state_comment = "State: 14 - Feature:2>Scenario_Definition:1>__alt0:0>Scenario:1>Scenario_Description:0>Description_Helper:2>#Comment:0"
  token.detach
  expected_tokens = ["#EOF", "#Comment", "#StepLine", "#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 14
end

#match_token_at_15(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:0>Scenario:2>Scenario_Step:0>Step:0>#StepLine:0



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# File 'lib/gherkin3/parser.rb', line 1068

def match_token_at_15(token, context)
  if match_EOF(context, token)
    end_rule(context, :Step);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    build(context, token);
    return 28
  end
  if match_TableRow(context, token)
    start_rule(context, :DataTable);
    build(context, token);
    return 16
  end
  if match_DocStringSeparator(context, token)
    start_rule(context, :DocString);
    build(context, token);
    return 31
  end
  if match_StepLine(context, token)
    end_rule(context, :Step);
    start_rule(context, :Step);
    build(context, token);
    return 15
  end
  if match_TagLine(context, token)
    end_rule(context, :Step);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :Step);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :Step);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Comment(context, token)
    build(context, token);
    return 15
  end
  if match_Empty(context, token)
    build(context, token);
    return 15
  end
  
  state_comment = "State: 15 - Feature:2>Scenario_Definition:1>__alt0:0>Scenario:2>Scenario_Step:0>Step:0>#StepLine:0"
  token.detach
  expected_tokens = ["#EOF", "#TableRow", "#DocStringSeparator", "#StepLine", "#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 15
end

#match_token_at_16(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:0>Scenario:2>Scenario_Step:0>Step:1>Step_Arg:0>__alt1:0>DataTable:0>#TableRow:0



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# File 'lib/gherkin3/parser.rb', line 1138

def match_token_at_16(token, context)
  if match_EOF(context, token)
    end_rule(context, :DataTable);
    end_rule(context, :Step);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    build(context, token);
    return 28
  end
  if match_TableRow(context, token)
    build(context, token);
    return 16
  end
  if match_StepLine(context, token)
    end_rule(context, :DataTable);
    end_rule(context, :Step);
    start_rule(context, :Step);
    build(context, token);
    return 15
  end
  if match_TagLine(context, token)
    end_rule(context, :DataTable);
    end_rule(context, :Step);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :DataTable);
    end_rule(context, :Step);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :DataTable);
    end_rule(context, :Step);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Comment(context, token)
    build(context, token);
    return 16
  end
  if match_Empty(context, token)
    build(context, token);
    return 16
  end
  
  state_comment = "State: 16 - Feature:2>Scenario_Definition:1>__alt0:0>Scenario:2>Scenario_Step:0>Step:1>Step_Arg:0>__alt1:0>DataTable:0>#TableRow:0"
  token.detach
  expected_tokens = ["#EOF", "#TableRow", "#StepLine", "#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 16
end

#match_token_at_17(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:0>#ScenarioOutlineLine:0



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# File 'lib/gherkin3/parser.rb', line 1207

def match_token_at_17(token, context)
  if match_Empty(context, token)
    build(context, token);
    return 17
  end
  if match_Comment(context, token)
    build(context, token);
    return 19
  end
  if match_StepLine(context, token)
    start_rule(context, :Step);
    build(context, token);
    return 20
  end
  if match_TagLine(context, token)
    start_rule(context, :Examples_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 22
  end
  if match_ExamplesLine(context, token)
    start_rule(context, :Examples_Definition);
    start_rule(context, :Examples);
    build(context, token);
    return 23
  end
  if match_Other(context, token)
    start_rule(context, :Description);
    build(context, token);
    return 18
  end
  
  state_comment = "State: 17 - Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:0>#ScenarioOutlineLine:0"
  token.detach
  expected_tokens = ["#Empty", "#Comment", "#StepLine", "#TagLine", "#ExamplesLine", "#Other"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 17
end

#match_token_at_18(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:1>ScenarioOutline_Description:0>Description_Helper:1>Description:0>#Other:0



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# File 'lib/gherkin3/parser.rb', line 1249

def match_token_at_18(token, context)
  if match_Comment(context, token)
    end_rule(context, :Description);
    build(context, token);
    return 19
  end
  if match_StepLine(context, token)
    end_rule(context, :Description);
    start_rule(context, :Step);
    build(context, token);
    return 20
  end
  if match_TagLine(context, token)
    end_rule(context, :Description);
    start_rule(context, :Examples_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 22
  end
  if match_ExamplesLine(context, token)
    end_rule(context, :Description);
    start_rule(context, :Examples_Definition);
    start_rule(context, :Examples);
    build(context, token);
    return 23
  end
  if match_Other(context, token)
    build(context, token);
    return 18
  end
  
  state_comment = "State: 18 - Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:1>ScenarioOutline_Description:0>Description_Helper:1>Description:0>#Other:0"
  token.detach
  expected_tokens = ["#Comment", "#StepLine", "#TagLine", "#ExamplesLine", "#Other"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 18
end

#match_token_at_19(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:1>ScenarioOutline_Description:0>Description_Helper:2>#Comment:0



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# File 'lib/gherkin3/parser.rb', line 1290

def match_token_at_19(token, context)
  if match_Comment(context, token)
    build(context, token);
    return 19
  end
  if match_StepLine(context, token)
    start_rule(context, :Step);
    build(context, token);
    return 20
  end
  if match_TagLine(context, token)
    start_rule(context, :Examples_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 22
  end
  if match_ExamplesLine(context, token)
    start_rule(context, :Examples_Definition);
    start_rule(context, :Examples);
    build(context, token);
    return 23
  end
  if match_Empty(context, token)
    build(context, token);
    return 19
  end
  
  state_comment = "State: 19 - Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:1>ScenarioOutline_Description:0>Description_Helper:2>#Comment:0"
  token.detach
  expected_tokens = ["#Comment", "#StepLine", "#TagLine", "#ExamplesLine", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 19
end

#match_token_at_2(token, context) ⇒ Object

Feature:0>Feature_Header:1>Tags:0>#TagLine:0



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# File 'lib/gherkin3/parser.rb', line 365

def match_token_at_2(token, context)
  if match_TagLine(context, token)
    build(context, token);
    return 2
  end
  if match_FeatureLine(context, token)
    end_rule(context, :Tags);
    build(context, token);
    return 3
  end
  if match_Comment(context, token)
    build(context, token);
    return 2
  end
  if match_Empty(context, token)
    build(context, token);
    return 2
  end
  
  state_comment = "State: 2 - Feature:0>Feature_Header:1>Tags:0>#TagLine:0"
  token.detach
  expected_tokens = ["#TagLine", "#FeatureLine", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 2
end

#match_token_at_20(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:2>ScenarioOutline_Step:0>Step:0>#StepLine:0



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# File 'lib/gherkin3/parser.rb', line 1327

def match_token_at_20(token, context)
  if match_TableRow(context, token)
    start_rule(context, :DataTable);
    build(context, token);
    return 21
  end
  if match_DocStringSeparator(context, token)
    start_rule(context, :DocString);
    build(context, token);
    return 29
  end
  if match_StepLine(context, token)
    end_rule(context, :Step);
    start_rule(context, :Step);
    build(context, token);
    return 20
  end
  if match_TagLine(context, token)
    end_rule(context, :Step);
    start_rule(context, :Examples_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 22
  end
  if match_ExamplesLine(context, token)
    end_rule(context, :Step);
    start_rule(context, :Examples_Definition);
    start_rule(context, :Examples);
    build(context, token);
    return 23
  end
  if match_Comment(context, token)
    build(context, token);
    return 20
  end
  if match_Empty(context, token)
    build(context, token);
    return 20
  end
  
  state_comment = "State: 20 - Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:2>ScenarioOutline_Step:0>Step:0>#StepLine:0"
  token.detach
  expected_tokens = ["#TableRow", "#DocStringSeparator", "#StepLine", "#TagLine", "#ExamplesLine", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 20
end

#match_token_at_21(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:2>ScenarioOutline_Step:0>Step:1>Step_Arg:0>__alt1:0>DataTable:0>#TableRow:0



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# File 'lib/gherkin3/parser.rb', line 1377

def match_token_at_21(token, context)
  if match_TableRow(context, token)
    build(context, token);
    return 21
  end
  if match_StepLine(context, token)
    end_rule(context, :DataTable);
    end_rule(context, :Step);
    start_rule(context, :Step);
    build(context, token);
    return 20
  end
  if match_TagLine(context, token)
    end_rule(context, :DataTable);
    end_rule(context, :Step);
    start_rule(context, :Examples_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 22
  end
  if match_ExamplesLine(context, token)
    end_rule(context, :DataTable);
    end_rule(context, :Step);
    start_rule(context, :Examples_Definition);
    start_rule(context, :Examples);
    build(context, token);
    return 23
  end
  if match_Comment(context, token)
    build(context, token);
    return 21
  end
  if match_Empty(context, token)
    build(context, token);
    return 21
  end
  
  state_comment = "State: 21 - Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:2>ScenarioOutline_Step:0>Step:1>Step_Arg:0>__alt1:0>DataTable:0>#TableRow:0"
  token.detach
  expected_tokens = ["#TableRow", "#StepLine", "#TagLine", "#ExamplesLine", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 21
end

#match_token_at_22(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:3>Examples_Definition:0>Tags:0>#TagLine:0



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# File 'lib/gherkin3/parser.rb', line 1424

def match_token_at_22(token, context)
  if match_TagLine(context, token)
    build(context, token);
    return 22
  end
  if match_ExamplesLine(context, token)
    end_rule(context, :Tags);
    start_rule(context, :Examples);
    build(context, token);
    return 23
  end
  if match_Comment(context, token)
    build(context, token);
    return 22
  end
  if match_Empty(context, token)
    build(context, token);
    return 22
  end
  
  state_comment = "State: 22 - Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:3>Examples_Definition:0>Tags:0>#TagLine:0"
  token.detach
  expected_tokens = ["#TagLine", "#ExamplesLine", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 22
end

#match_token_at_23(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:3>Examples_Definition:1>Examples:0>#ExamplesLine:0



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# File 'lib/gherkin3/parser.rb', line 1454

def match_token_at_23(token, context)
  if match_Empty(context, token)
    build(context, token);
    return 23
  end
  if match_Comment(context, token)
    build(context, token);
    return 25
  end
  if match_TableRow(context, token)
    build(context, token);
    return 26
  end
  if match_Other(context, token)
    start_rule(context, :Description);
    build(context, token);
    return 24
  end
  
  state_comment = "State: 23 - Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:3>Examples_Definition:1>Examples:0>#ExamplesLine:0"
  token.detach
  expected_tokens = ["#Empty", "#Comment", "#TableRow", "#Other"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 23
end

#match_token_at_24(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:3>Examples_Definition:1>Examples:1>Examples_Description:0>Description_Helper:1>Description:0>#Other:0



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# File 'lib/gherkin3/parser.rb', line 1483

def match_token_at_24(token, context)
  if match_Comment(context, token)
    end_rule(context, :Description);
    build(context, token);
    return 25
  end
  if match_TableRow(context, token)
    end_rule(context, :Description);
    build(context, token);
    return 26
  end
  if match_Other(context, token)
    build(context, token);
    return 24
  end
  
  state_comment = "State: 24 - Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:3>Examples_Definition:1>Examples:1>Examples_Description:0>Description_Helper:1>Description:0>#Other:0"
  token.detach
  expected_tokens = ["#Comment", "#TableRow", "#Other"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 24
end

#match_token_at_25(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:3>Examples_Definition:1>Examples:1>Examples_Description:0>Description_Helper:2>#Comment:0



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# File 'lib/gherkin3/parser.rb', line 1509

def match_token_at_25(token, context)
  if match_Comment(context, token)
    build(context, token);
    return 25
  end
  if match_TableRow(context, token)
    build(context, token);
    return 26
  end
  if match_Empty(context, token)
    build(context, token);
    return 25
  end
  
  state_comment = "State: 25 - Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:3>Examples_Definition:1>Examples:1>Examples_Description:0>Description_Helper:2>#Comment:0"
  token.detach
  expected_tokens = ["#Comment", "#TableRow", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 25
end

#match_token_at_26(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:3>Examples_Definition:1>Examples:2>#TableRow:0



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# File 'lib/gherkin3/parser.rb', line 1533

def match_token_at_26(token, context)
  if match_TableRow(context, token)
    build(context, token);
    return 27
  end
  if match_Comment(context, token)
    build(context, token);
    return 26
  end
  if match_Empty(context, token)
    build(context, token);
    return 26
  end
  
  state_comment = "State: 26 - Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:3>Examples_Definition:1>Examples:2>#TableRow:0"
  token.detach
  expected_tokens = ["#TableRow", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 26
end

#match_token_at_27(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:3>Examples_Definition:1>Examples:3>#TableRow:0



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# File 'lib/gherkin3/parser.rb', line 1557

def match_token_at_27(token, context)
  if match_EOF(context, token)
    end_rule(context, :Examples);
    end_rule(context, :Examples_Definition);
    end_rule(context, :ScenarioOutline);
    end_rule(context, :Scenario_Definition);
    build(context, token);
    return 28
  end
  if match_TableRow(context, token)
    build(context, token);
    return 27
  end
  if match_TagLine(context, token)
    if lookahead_0(context, token)
    end_rule(context, :Examples);
    end_rule(context, :Examples_Definition);
    start_rule(context, :Examples_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 22
    end
  end
  if match_TagLine(context, token)
    end_rule(context, :Examples);
    end_rule(context, :Examples_Definition);
    end_rule(context, :ScenarioOutline);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ExamplesLine(context, token)
    end_rule(context, :Examples);
    end_rule(context, :Examples_Definition);
    start_rule(context, :Examples_Definition);
    start_rule(context, :Examples);
    build(context, token);
    return 23
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :Examples);
    end_rule(context, :Examples_Definition);
    end_rule(context, :ScenarioOutline);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :Examples);
    end_rule(context, :Examples_Definition);
    end_rule(context, :ScenarioOutline);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Comment(context, token)
    build(context, token);
    return 27
  end
  if match_Empty(context, token)
    build(context, token);
    return 27
  end
  
  state_comment = "State: 27 - Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:3>Examples_Definition:1>Examples:3>#TableRow:0"
  token.detach
  expected_tokens = ["#EOF", "#TableRow", "#TagLine", "#ExamplesLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 27
end

#match_token_at_29(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:2>ScenarioOutline_Step:0>Step:1>Step_Arg:0>__alt1:1>DocString:0>#DocStringSeparator:0



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# File 'lib/gherkin3/parser.rb', line 1637

def match_token_at_29(token, context)
  if match_DocStringSeparator(context, token)
    build(context, token);
    return 30
  end
  if match_Other(context, token)
    build(context, token);
    return 29
  end
  
  state_comment = "State: 29 - Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:2>ScenarioOutline_Step:0>Step:1>Step_Arg:0>__alt1:1>DocString:0>#DocStringSeparator:0"
  token.detach
  expected_tokens = ["#DocStringSeparator", "#Other"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 29
end

#match_token_at_3(token, context) ⇒ Object

Feature:0>Feature_Header:2>#FeatureLine:0



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# File 'lib/gherkin3/parser.rb', line 394

def match_token_at_3(token, context)
  if match_EOF(context, token)
    end_rule(context, :Feature_Header);
    build(context, token);
    return 28
  end
  if match_Empty(context, token)
    build(context, token);
    return 3
  end
  if match_Comment(context, token)
    build(context, token);
    return 5
  end
  if match_BackgroundLine(context, token)
    end_rule(context, :Feature_Header);
    start_rule(context, :Background);
    build(context, token);
    return 6
  end
  if match_TagLine(context, token)
    end_rule(context, :Feature_Header);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :Feature_Header);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :Feature_Header);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Other(context, token)
    start_rule(context, :Description);
    build(context, token);
    return 4
  end
  
  state_comment = "State: 3 - Feature:0>Feature_Header:2>#FeatureLine:0"
  token.detach
  expected_tokens = ["#EOF", "#Empty", "#Comment", "#BackgroundLine", "#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Other"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 3
end

#match_token_at_30(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:2>ScenarioOutline_Step:0>Step:1>Step_Arg:0>__alt1:1>DocString:2>#DocStringSeparator:0



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# File 'lib/gherkin3/parser.rb', line 1657

def match_token_at_30(token, context)
  if match_StepLine(context, token)
    end_rule(context, :DocString);
    end_rule(context, :Step);
    start_rule(context, :Step);
    build(context, token);
    return 20
  end
  if match_TagLine(context, token)
    end_rule(context, :DocString);
    end_rule(context, :Step);
    start_rule(context, :Examples_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 22
  end
  if match_ExamplesLine(context, token)
    end_rule(context, :DocString);
    end_rule(context, :Step);
    start_rule(context, :Examples_Definition);
    start_rule(context, :Examples);
    build(context, token);
    return 23
  end
  if match_Comment(context, token)
    build(context, token);
    return 30
  end
  if match_Empty(context, token)
    build(context, token);
    return 30
  end
  
  state_comment = "State: 30 - Feature:2>Scenario_Definition:1>__alt0:1>ScenarioOutline:2>ScenarioOutline_Step:0>Step:1>Step_Arg:0>__alt1:1>DocString:2>#DocStringSeparator:0"
  token.detach
  expected_tokens = ["#StepLine", "#TagLine", "#ExamplesLine", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 30
end

#match_token_at_31(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:0>Scenario:2>Scenario_Step:0>Step:1>Step_Arg:0>__alt1:1>DocString:0>#DocStringSeparator:0



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# File 'lib/gherkin3/parser.rb', line 1700

def match_token_at_31(token, context)
  if match_DocStringSeparator(context, token)
    build(context, token);
    return 32
  end
  if match_Other(context, token)
    build(context, token);
    return 31
  end
  
  state_comment = "State: 31 - Feature:2>Scenario_Definition:1>__alt0:0>Scenario:2>Scenario_Step:0>Step:1>Step_Arg:0>__alt1:1>DocString:0>#DocStringSeparator:0"
  token.detach
  expected_tokens = ["#DocStringSeparator", "#Other"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 31
end

#match_token_at_32(token, context) ⇒ Object

Feature:2>Scenario_Definition:1>__alt0:0>Scenario:2>Scenario_Step:0>Step:1>Step_Arg:0>__alt1:1>DocString:2>#DocStringSeparator:0



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# File 'lib/gherkin3/parser.rb', line 1720

def match_token_at_32(token, context)
  if match_EOF(context, token)
    end_rule(context, :DocString);
    end_rule(context, :Step);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    build(context, token);
    return 28
  end
  if match_StepLine(context, token)
    end_rule(context, :DocString);
    end_rule(context, :Step);
    start_rule(context, :Step);
    build(context, token);
    return 15
  end
  if match_TagLine(context, token)
    end_rule(context, :DocString);
    end_rule(context, :Step);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :DocString);
    end_rule(context, :Step);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :DocString);
    end_rule(context, :Step);
    end_rule(context, :Scenario);
    end_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Comment(context, token)
    build(context, token);
    return 32
  end
  if match_Empty(context, token)
    build(context, token);
    return 32
  end
  
  state_comment = "State: 32 - Feature:2>Scenario_Definition:1>__alt0:0>Scenario:2>Scenario_Step:0>Step:1>Step_Arg:0>__alt1:1>DocString:2>#DocStringSeparator:0"
  token.detach
  expected_tokens = ["#EOF", "#StepLine", "#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 32
end

#match_token_at_33(token, context) ⇒ Object

Feature:1>Background:2>Scenario_Step:0>Step:1>Step_Arg:0>__alt1:1>DocString:0>#DocStringSeparator:0



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# File 'lib/gherkin3/parser.rb', line 1785

def match_token_at_33(token, context)
  if match_DocStringSeparator(context, token)
    build(context, token);
    return 34
  end
  if match_Other(context, token)
    build(context, token);
    return 33
  end
  
  state_comment = "State: 33 - Feature:1>Background:2>Scenario_Step:0>Step:1>Step_Arg:0>__alt1:1>DocString:0>#DocStringSeparator:0"
  token.detach
  expected_tokens = ["#DocStringSeparator", "#Other"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 33
end

#match_token_at_34(token, context) ⇒ Object

Feature:1>Background:2>Scenario_Step:0>Step:1>Step_Arg:0>__alt1:1>DocString:2>#DocStringSeparator:0



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# File 'lib/gherkin3/parser.rb', line 1805

def match_token_at_34(token, context)
  if match_EOF(context, token)
    end_rule(context, :DocString);
    end_rule(context, :Step);
    end_rule(context, :Background);
    build(context, token);
    return 28
  end
  if match_StepLine(context, token)
    end_rule(context, :DocString);
    end_rule(context, :Step);
    start_rule(context, :Step);
    build(context, token);
    return 9
  end
  if match_TagLine(context, token)
    end_rule(context, :DocString);
    end_rule(context, :Step);
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :DocString);
    end_rule(context, :Step);
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :DocString);
    end_rule(context, :Step);
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Comment(context, token)
    build(context, token);
    return 34
  end
  if match_Empty(context, token)
    build(context, token);
    return 34
  end
  
  state_comment = "State: 34 - Feature:1>Background:2>Scenario_Step:0>Step:1>Step_Arg:0>__alt1:1>DocString:2>#DocStringSeparator:0"
  token.detach
  expected_tokens = ["#EOF", "#StepLine", "#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 34
end

#match_token_at_4(token, context) ⇒ Object

Feature:0>Feature_Header:3>Feature_Description:0>Description_Helper:1>Description:0>#Other:0



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# File 'lib/gherkin3/parser.rb', line 451

def match_token_at_4(token, context)
  if match_EOF(context, token)
    end_rule(context, :Description);
    end_rule(context, :Feature_Header);
    build(context, token);
    return 28
  end
  if match_Comment(context, token)
    end_rule(context, :Description);
    build(context, token);
    return 5
  end
  if match_BackgroundLine(context, token)
    end_rule(context, :Description);
    end_rule(context, :Feature_Header);
    start_rule(context, :Background);
    build(context, token);
    return 6
  end
  if match_TagLine(context, token)
    end_rule(context, :Description);
    end_rule(context, :Feature_Header);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :Description);
    end_rule(context, :Feature_Header);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :Description);
    end_rule(context, :Feature_Header);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Other(context, token)
    build(context, token);
    return 4
  end
  
  state_comment = "State: 4 - Feature:0>Feature_Header:3>Feature_Description:0>Description_Helper:1>Description:0>#Other:0"
  token.detach
  expected_tokens = ["#EOF", "#Comment", "#BackgroundLine", "#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Other"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 4
end

#match_token_at_5(token, context) ⇒ Object

Feature:0>Feature_Header:3>Feature_Description:0>Description_Helper:2>#Comment:0



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# File 'lib/gherkin3/parser.rb', line 509

def match_token_at_5(token, context)
  if match_EOF(context, token)
    end_rule(context, :Feature_Header);
    build(context, token);
    return 28
  end
  if match_Comment(context, token)
    build(context, token);
    return 5
  end
  if match_BackgroundLine(context, token)
    end_rule(context, :Feature_Header);
    start_rule(context, :Background);
    build(context, token);
    return 6
  end
  if match_TagLine(context, token)
    end_rule(context, :Feature_Header);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :Feature_Header);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :Feature_Header);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Empty(context, token)
    build(context, token);
    return 5
  end
  
  state_comment = "State: 5 - Feature:0>Feature_Header:3>Feature_Description:0>Description_Helper:2>#Comment:0"
  token.detach
  expected_tokens = ["#EOF", "#Comment", "#BackgroundLine", "#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 5
end

#match_token_at_6(token, context) ⇒ Object

Feature:1>Background:0>#BackgroundLine:0



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# File 'lib/gherkin3/parser.rb', line 561

def match_token_at_6(token, context)
  if match_EOF(context, token)
    end_rule(context, :Background);
    build(context, token);
    return 28
  end
  if match_Empty(context, token)
    build(context, token);
    return 6
  end
  if match_Comment(context, token)
    build(context, token);
    return 8
  end
  if match_StepLine(context, token)
    start_rule(context, :Step);
    build(context, token);
    return 9
  end
  if match_TagLine(context, token)
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Other(context, token)
    start_rule(context, :Description);
    build(context, token);
    return 7
  end
  
  state_comment = "State: 6 - Feature:1>Background:0>#BackgroundLine:0"
  token.detach
  expected_tokens = ["#EOF", "#Empty", "#Comment", "#StepLine", "#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Other"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 6
end

#match_token_at_7(token, context) ⇒ Object

Feature:1>Background:1>Background_Description:0>Description_Helper:1>Description:0>#Other:0



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# File 'lib/gherkin3/parser.rb', line 617

def match_token_at_7(token, context)
  if match_EOF(context, token)
    end_rule(context, :Description);
    end_rule(context, :Background);
    build(context, token);
    return 28
  end
  if match_Comment(context, token)
    end_rule(context, :Description);
    build(context, token);
    return 8
  end
  if match_StepLine(context, token)
    end_rule(context, :Description);
    start_rule(context, :Step);
    build(context, token);
    return 9
  end
  if match_TagLine(context, token)
    end_rule(context, :Description);
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :Description);
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :Description);
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Other(context, token)
    build(context, token);
    return 7
  end
  
  state_comment = "State: 7 - Feature:1>Background:1>Background_Description:0>Description_Helper:1>Description:0>#Other:0"
  token.detach
  expected_tokens = ["#EOF", "#Comment", "#StepLine", "#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Other"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 7
end

#match_token_at_8(token, context) ⇒ Object

Feature:1>Background:1>Background_Description:0>Description_Helper:2>#Comment:0



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# File 'lib/gherkin3/parser.rb', line 674

def match_token_at_8(token, context)
  if match_EOF(context, token)
    end_rule(context, :Background);
    build(context, token);
    return 28
  end
  if match_Comment(context, token)
    build(context, token);
    return 8
  end
  if match_StepLine(context, token)
    start_rule(context, :Step);
    build(context, token);
    return 9
  end
  if match_TagLine(context, token)
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Empty(context, token)
    build(context, token);
    return 8
  end
  
  state_comment = "State: 8 - Feature:1>Background:1>Background_Description:0>Description_Helper:2>#Comment:0"
  token.detach
  expected_tokens = ["#EOF", "#Comment", "#StepLine", "#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 8
end

#match_token_at_9(token, context) ⇒ Object

Feature:1>Background:2>Scenario_Step:0>Step:0>#StepLine:0



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# File 'lib/gherkin3/parser.rb', line 725

def match_token_at_9(token, context)
  if match_EOF(context, token)
    end_rule(context, :Step);
    end_rule(context, :Background);
    build(context, token);
    return 28
  end
  if match_TableRow(context, token)
    start_rule(context, :DataTable);
    build(context, token);
    return 10
  end
  if match_DocStringSeparator(context, token)
    start_rule(context, :DocString);
    build(context, token);
    return 33
  end
  if match_StepLine(context, token)
    end_rule(context, :Step);
    start_rule(context, :Step);
    build(context, token);
    return 9
  end
  if match_TagLine(context, token)
    end_rule(context, :Step);
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Tags);
    build(context, token);
    return 11
  end
  if match_ScenarioLine(context, token)
    end_rule(context, :Step);
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :Scenario);
    build(context, token);
    return 12
  end
  if match_ScenarioOutlineLine(context, token)
    end_rule(context, :Step);
    end_rule(context, :Background);
    start_rule(context, :Scenario_Definition);
    start_rule(context, :ScenarioOutline);
    build(context, token);
    return 17
  end
  if match_Comment(context, token)
    build(context, token);
    return 9
  end
  if match_Empty(context, token)
    build(context, token);
    return 9
  end
  
  state_comment = "State: 9 - Feature:1>Background:2>Scenario_Step:0>Step:0>#StepLine:0"
  token.detach
  expected_tokens = ["#EOF", "#TableRow", "#DocStringSeparator", "#StepLine", "#TagLine", "#ScenarioLine", "#ScenarioOutlineLine", "#Comment", "#Empty"]
  error = token.eof? ? UnexpectedEOFException.new(token, expected_tokens, state_comment) : UnexpectedTokenException.new(token, expected_tokens, state_comment)
  raise error if (stop_at_first_error)
  add_error(context, error)
  return 9
end

#parse(token_scanner, token_matcher = TokenMatcher.new) ⇒ Object

Raises:



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# File 'lib/gherkin3/parser.rb', line 67

def parse(token_scanner, token_matcher=TokenMatcher.new)
  token_scanner = token_scanner.is_a?(TokenScanner) ? token_scanner : TokenScanner.new(token_scanner)

  @ast_builder.reset
  token_matcher.reset
  context = ParserContext.new(
    token_scanner,
    token_matcher,
    [],
    []
  )

  start_rule(context, :Feature);
  state = 0
  token = nil
  begin
    token = read_token(context)
    state = match_token(state, token, context)
  end until(token.eof?)

  end_rule(context, :Feature)

  raise CompositeParserException.new(context.errors) if context.errors.any?

  get_result()
end

#read_token(context) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 121

def read_token(context)
  context.token_queue.any? ? context.token_queue.shift : context.token_scanner.read
end

#start_rule(context, rule_type) ⇒ Object 



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# File 'lib/gherkin3/parser.rb', line 105

def start_rule(context, rule_type)
  handle_ast_error(context) do
    @ast_builder.start_rule(rule_type)
  end
end