Class: Byebug::MethodSigCommand

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

Overview

Implements byebug’s ‘method sig’ command.

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, 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/method.rb', line 34

def description
  %{m[ethod] sig[nature] <obj>\tshow the signature of a method}
end

.names ⇒ Object 



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# File 'lib/byebug/commands/method.rb', line 30

def names
  %w(method)
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/byebug/commands/method.rb', line 16

def execute
  obj = bb_eval('method(:%s)' % @match[1])
  if obj.is_a?(Method)
    begin
      print "%s\n", obj.signature.to_s
    rescue
      errmsg("Can't get signature for '#{@match[1]}'\n")
    end
  else
    errmsg("Can't make method out of '#{@match[1]}'\n")
  end
end

#regexp ⇒ Object 



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# File 'lib/byebug/commands/method.rb', line 12

def regexp
  /^\s* m(?:ethod)? \s+ sig(?:nature)? \s+ (\S+) \s*$/x
end