class Byebug::UndisplayCommand

Remove expressions from display list.

Public Class Methods

description() click to toggle source
# File lib/byebug/commands/undisplay.rb, line 17
def self.description
  <<-EOD
    undisp[lay][ nnn]

    #{short_description}

    Arguments are the code numbers of the expressions to stop displaying. No
    argument means cancel all automatic-display expressions. Type "info
    display" to see the current list of code numbers.
  EOD
end
regexp() click to toggle source
# File lib/byebug/commands/undisplay.rb, line 13
def self.regexp
  /^\s* undisp(?:lay)? (?:\s+(\S+))? \s*$/x
end
short_description() click to toggle source
# File lib/byebug/commands/undisplay.rb, line 29
def self.short_description
  'Stops displaying all or some expressions when program stops'
end

Public Instance Methods

execute() click to toggle source
# File lib/byebug/commands/undisplay.rb, line 33
def execute
  if @match[1]
    pos, err = get_int(@match[1], 'Undisplay', 1, Byebug.displays.size)
    return errmsg(err) unless err.nil?

    unless Byebug.displays[pos - 1]
      return errmsg(pr('display.errors.undefined', expr: pos))
    end

    Byebug.displays[pos - 1][0] = nil
  else
    return unless confirm(pr('display.confirmations.clear_all'))

    Byebug.displays.each { |d| d[0] = false }
  end
end