类 IRB::ExtendCommand::ShowSource

# File lib/irb/cmd/show_source.rb, line 15
def transform_args(args)
  # Return a string literal as is for backward compatibility
  if args.empty? || string_literal?(args)
    args
  else # Otherwise, consider the input as a String for convenience
    args.strip.dump
  end
end

# File lib/irb/cmd/show_source.rb, line 25
def execute(str = nil)
  unless str.is_a?(String)
    puts "Error: Expected a string but got #{str.inspect}"
    return
  end

  str, esses = str.split(" -")
  super_level = esses ? esses.count("s") : 0
  source = SourceFinder.new(@irb_context).find_source(str, super_level)

  if source
    show_source(source)
  elsif super_level > 0
    puts "Error: Couldn't locate a super definition for #{str}"
  else
    puts "Error: Couldn't locate a definition for #{str}"
  end
  nil
end

# File lib/irb/cmd/show_source.rb, line 60
def bold(str)
  Color.colorize(str, [:BOLD])
end

# File lib/irb/cmd/show_source.rb, line 47
      def show_source(source)
        file_content = IRB::Color.colorize_code(File.read(source.file))
        code = file_content.lines[(source.first_line - 1)...source.last_line].join
        content = <<~CONTENT

          #{bold("From")}: #{source.file}:#{source.first_line}

          #{code}
        CONTENT

        Pager.page_content(content)
      end