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)
  return errmsg(pr('toggle.errors.no_breakpoints')) if Breakpoint.none?

  all_breakpoints = Byebug.breakpoints.sort_by(&:id)
  if args.nil?
    selected_breakpoints = all_breakpoints
  else
    selected_ids = []
    args.split(/ +/).each do |pos|
      last_id = all_breakpoints.last.id
      pos, err = get_int(pos, "#{is_enable} breakpoints", 1, last_id)
      return errmsg(err) unless pos

      selected_ids << pos
    end
    selected_breakpoints = all_breakpoints.select do |b|
      selected_ids.include?(b.id)
    end
  end

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

    b.enabled = enabled
  end
end
enable_disable_display(is_enable, args) click to toggle source
# File lib/byebug/helpers/toggle.rb, line 41
def enable_disable_display(is_enable, args)
  return errmsg(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)
    return errmsg(err) unless err.nil?

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

Private Instance Methods

n_displays() click to toggle source
# File lib/byebug/helpers/toggle.rb, line 56
def n_displays
  Byebug.displays.size
end