<commit_before>module GnuplotRB
  ##
  # Just a new error name
  class GnuplotError < ArgumentError
  end

  ##
  # Mixin for classes that need to run subprocess and
  # handle errors from its stderr.
  module ErrorHandling
    ##
    # ====== Overview
    # Check if there were errors in previous commands.
    # Throws GnuplotError in case of any errors.
    def check_errors
      return if @err_array.empty?
      command = ''
      rest = ''
      @semaphore.synchronize do
        command = @err_array.first
        rest = @err_array[1..-1].join('; ')
        @err_array.clear
      end
      message = "Error in previous command (\"#{command}\"): \"#{rest}\""
      fail GnuplotError, message
      self
    end

    private

    ##
    # ====== Overview
    # Start new thread that will read stderr given as stream
    # and add errors into @err_array.
    def handle_stderr(stream)
      @err_array = []
      # synchronize access to @err_array
      @semaphore = Mutex.new
      Thread.new do<commit_msg>remove unnecessary self<commit_after>module GnuplotRB
  ##
  # Just a new error name
  class GnuplotError < ArgumentError
  end

  ##
  # Mixin for classes that need to run subprocess and
  # handle errors from its stderr.
  module ErrorHandling
    ##
    # ====== Overview
    # Check if there were errors in previous commands.
    # Throws GnuplotError in case of any errors.
    def check_errors
      return if @err_array.empty?
      command = ''
      rest = ''
      @semaphore.synchronize do
        command = @err_array.first
        rest = @err_array[1..-1].join('; ')
        @err_array.clear
      end
      message = "Error in previous command (\"#{command}\"): \"#{rest}\""
      fail GnuplotError, message
    end

    private

    ##
    # ====== Overview
    # Start new thread that will read stderr given as stream
    # and add errors into @err_array.
    def handle_stderr(stream)
      @err_array = []
      # synchronize access to @err_array
      @semaphore = Mutex.new
      Thread.new do
{'fraction_non_alphanumeric': 0.0986679822397632, 'fraction_numerical': 0.001973359644795264, 'mean_word_length': 2.335526315789474, 'pattern_counts': {'":': 0, '<': 5, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '2256917', 'n_tokens_mistral': 620, 'n_tokens_neox': 611, 'n_words': 196}