module Byebug::Helpers::ToggleHelper

Utilities to assist breakpoint/display enabling/disabling.

Public Instance Methods

enable_disable_breakpoints(is_enable, args) click to toggle source
# File lib/byebug/helpers/toggle.rb, line 11
def enable_disable_breakpoints(is_enable, args)
  raise pr('toggle.errors.no_breakpoints') if Breakpoint.none?

  select_breakpoints(is_enable, args).each do |b|
    enabled = (is_enable == 'enable')
    if enabled && !syntax_valid?(b.expr)
      raise pr('toggle.errors.expression', expr: b.expr)
    end

    puts pr('toggle.messages.toggled', bpnum: b.id,
                                       endis: enabled ? 'en' : 'dis')
    b.enabled = enabled
  end
end
enable_disable_display(is_enable, args) click to toggle source
# File lib/byebug/helpers/toggle.rb, line 26
def enable_disable_display(is_enable, args)
  raise pr('toggle.errors.no_display') if n_displays.zero?

  selected_displays = args ? args.split(/ +/) : [1..n_displays + 1]

  selected_displays.each do |pos|
    pos, err = get_int(pos, "#{is_enable} display", 1, n_displays)
    raise err unless err.nil?

    Byebug.displays[pos - 1][0] = (is_enable == 'enable')
  end
end

Private Instance Methods

n_displays() click to toggle source
# File lib/byebug/helpers/toggle.rb, line 57
def n_displays
  Byebug.displays.size
end
select_breakpoints(is_enable, args) click to toggle source
# File lib/byebug/helpers/toggle.rb, line 41
def select_breakpoints(is_enable, args)
  all_breakpoints = Byebug.breakpoints.sort_by(&:id)
  return all_breakpoints if args.nil?

  selected_ids = []
  args.split(/ +/).each do |pos|
    last_id = all_breakpoints.last.id
    pos, err = get_int(pos, "#{is_enable} breakpoints", 1, last_id)
    raise(ArgumentError, err) unless pos

    selected_ids << pos
  end

  all_breakpoints.select { |b| selected_ids.include?(b.id) }
end