class RuboCop::AST::ProcessedSource

def parser_class(ruby_version, parser_engine) # rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength
  case parser_engine
  when :parser_whitequark
    case ruby_version
    when 1.9
      require 'parser/ruby19'
      Parser::Ruby19
    when 2.0
      require 'parser/ruby20'
      Parser::Ruby20
    when 2.1
      require 'parser/ruby21'
      Parser::Ruby21
    when 2.2
      require 'parser/ruby22'
      Parser::Ruby22
    when 2.3
      require 'parser/ruby23'
      Parser::Ruby23
    when 2.4
      require 'parser/ruby24'
      Parser::Ruby24
    when 2.5
      require 'parser/ruby25'
      Parser::Ruby25
    when 2.6
      require 'parser/ruby26'
      Parser::Ruby26
    when 2.7
      require 'parser/ruby27'
      Parser::Ruby27
    when 2.8, 3.0
      require 'parser/ruby30'
      Parser::Ruby30
    when 3.1
      require 'parser/ruby31'
      Parser::Ruby31
    when 3.2
      require 'parser/ruby32'
      Parser::Ruby32
    when 3.3
      require 'parser/ruby33'
      Parser::Ruby33
    when 3.4
      require 'parser/ruby34'
      Parser::Ruby34
    else
      raise ArgumentError, "RuboCop found unknown Ruby version: #{ruby_version.inspect}"
    end
  when :parser_prism
    begin
      require 'prism'
    rescue LoadError
      warn "Error: Unable to load Prism. Add `gem 'prism'` to your Gemfile."
      exit!
    end
    case ruby_version
    when 3.3
      require 'prism/translation/parser33'
      Prism::Translation::Parser33
    when 3.4
      require 'prism/translation/parser34'
      Prism::Translation::Parser34
    else
      raise ArgumentError, 'RuboCop supports target Ruby versions 3.3 and above with Prism. ' \
                           "Specified target Ruby version: #{ruby_version.inspect}"
    end
  end
end