Class: Byebug::SetCommand

Inherits:
Command
  • Object
show all
Defined in:
lib/byebug/commands/set.rb

Overview

Implements byebug “set” command.

Defined Under Namespace

Classes: SubcmdStruct2

Constant Summary collapse

Subcommands = 
[
   ['args', 2, false,
    'Set argument list to the program being debugged when it is started'],
   ['autoeval', 4, true, 'Evaluate every unrecognized command'],
   ['autolist', 4, true, 'Execute "list" command on every breakpoint'],
   ['autoirb', 4, true, 'Invoke IRB on every stop'],
   ['autoreload', 4, true, 'Reload source code when changed'],
   ['basename', 1, true, 'Set filename display style'],
   ['callstyle', 2, false, 'Set how you want call parameters displayed'],
   ['testing', 2, false, 'Used when testing byebug'],
   ['forcestep', 2, true,
    'Make sure "next/step" commands always move to a new line'],
   ['fullpath', 2, true, 'Display full file names in frames'],
   ['history', 2, false, 'Command for setting command history parameters',
    'History parameters are "filename", "save" and "size"'],
   ['linetrace', 3, true, 'Enable line execution tracing'],
   ['linetrace_plus', 10, true,
    'Set line execution tracing to show different lines'],
   ['listsize', 3, false, 'Set number of source lines to list by default'],
   ['post_mortem', 2, true, 'Enable post-mortem mode'],
   ['stack_on_error', 1, true,
    'Display stack trace when "eval" raises exception'],
   ['verbose', 1, true,
    'Enable verbose output of TracePoint API events is enabled'],
   ['width', 1, false,
    'Number of characters per line for byebug\'s output']
  ].map do |name, min, is_bool, short_help, long_help|
  SubcmdStruct2.new(name, min, is_bool, short_help, long_help)
end
SetHistorySubcommands = 
[
 ['filename', 1, 'Set the filename in which to record command history'],
 ['save', 1, 'Set saving of the history record on exit'],
 ['size', 1, 'Set the size of the command history']
].map do |name, min, short_help, long_help|
  Subcmd.new(name, min, short_help, long_help)
end

Constants inherited from Command

Command::DEF_OPTIONS

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Command

command_exists?, commands, find, format_subcmd, format_subcmds, help, inherited, #initialize, load_commands, #match, method_missing, options, register_setting_get, register_setting_set, register_setting_var, settings, settings_map, terminal_width

Constructor Details

This class inherits a constructor from Byebug::Command

Class Method Details

.description ⇒ Object 



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# File 'lib/byebug/commands/set.rb', line 150

def description
  %{Modifies parts of byebug environment. Boolean values take on, off, 1
    or 0. You can see these environment settings with the "show" command.}
end

.names ⇒ Object 



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# File 'lib/byebug/commands/set.rb', line 146

def names
  %w(set)
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/byebug/commands/set.rb', line 118

def execute
  return print SetCommand.help(nil) if SetCommand.names.include?(@match[0])

  args = @match[1].split(/[ \t]+/)
  try_subcmd = args.shift
  try_subcmd.downcase!
  if try_subcmd =~ /^no/i
    set_on = false
    try_subcmd = try_subcmd[2..-1]
  else
    set_on = true
  end

  subcmd = Command.find(Subcommands, try_subcmd)
  return print "Unknown set command \"#{try_subcmd}\"\n" unless subcmd

  begin
    set_on = get_onoff(args[0]) if subcmd.is_bool and args.size > 0
  rescue RuntimeError
    return
  end

  set_setting(subcmd.name, set_on, args)

  return print "#{show_setting(subcmd.name)}\n"
end

#regexp ⇒ Object 



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# File 'lib/byebug/commands/set.rb', line 114

def regexp
  /^\s* set (?:\s+(.*))? \s*$/x
end