Class: Opal::EofContent

Inherits:
Object
  • Object
show all
Defined in:
opal/lib/opal/eof_content.rb

Constant Summary collapse

DATA_SEPARATOR = 
"__END__\n"

Instance Method Summary collapse

Constructor Details

#initialize(tokens, source) ⇒ EofContent

Returns a new instance of EofContent.



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# File 'opal/lib/opal/eof_content.rb', line 7

def initialize(tokens, source)
  @tokens = tokens
  @source = source
end

Instance Method Details

#eof ⇒ Object 



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# File 'opal/lib/opal/eof_content.rb', line 12

def eof
  return nil if @tokens.empty?

  eof_content = @source[last_token_position..-1]
  return nil unless eof_content

  # On Windows token position is off a bit, because Parser does not seem to compensate for \r\n
  # The first eof_content line on Windows may be for example "end\r\n"
  # Must match for it and \r\n and \n
  eof_content = eof_content.lines.drop_while { |line| /\A.*\r?\n?\z/.match?(line) && !line.start_with?('__END__') }

  if /\A__END__\r?\n?\z/.match?(eof_content[0])
    eof_content = eof_content[1..-1] || []
    eof_content.join
  elsif eof_content == ['__END__']
    ''
  end
end