pry--pry/lib/pry/default_commands/basic.rb

class Pry
  module DefaultCommands

    Basic = Pry::CommandSet.new do
      command "toggle-color", "Toggle syntax highlighting." do
        Pry.color = !Pry.color
        output.puts "Syntax highlighting #{Pry.color ? "on" : "off"}"
      end

      command "simple-prompt", "Toggle the simple prompt." do
        case Pry.active_instance.prompt
        when Pry::SIMPLE_PROMPT
          Pry.active_instance.pop_prompt
        else
          Pry.active_instance.push_prompt Pry::SIMPLE_PROMPT
        end
      end

      command "pry-version", "Show Pry version." do
        output.puts "Pry version: #{Pry::VERSION} on Ruby #{RUBY_VERSION}."
      end

      command "import-set", "Import a command set" do |command_set_name|
        next output.puts "Provide a command set name" if command_set.nil?

        set = target.eval(arg_string)
        Pry.active_instance.commands.import set
      end

      command "reload-method", "Reload the source file that contains the specified method" do |meth_name|
        if (meth = get_method_object(meth_name, target, {})).nil?
          output.puts "Invalid method name: #{meth_name}."
          next
        end

        if is_a_c_method?(meth)
          output.puts "Error: Can't reload a C method."
        elsif is_a_dynamically_defined_method?(meth)
          output.puts "Error: Can't reload an eval method."
        else
          file_name = meth.source_location.first
          load file_name
          output.puts "Reloaded #{file_name}."
        end
      end

      command "reset", "Reset the REPL to a clean state." do
        output.puts "Pry reset."
        exec "pry"
      end
    end

  end
end