diff options
Diffstat (limited to 'lib/irb/extend-command.rb')
| -rw-r--r-- | lib/irb/extend-command.rb | 54 |
1 files changed, 51 insertions, 3 deletions
diff --git a/lib/irb/extend-command.rb b/lib/irb/extend-command.rb index 5477ef6bf4..c330d1bd3b 100644 --- a/lib/irb/extend-command.rb +++ b/lib/irb/extend-command.rb @@ -1,9 +1,9 @@ # -# irb/extend-command.rb - irb command extend -# $Release Version: 0.9$ +# irb/extend-command.rb - irb extend command +# $Release Version: 0.9.5$ # $Revision$ # $Date$ -# by Keiju ISHITSUKA(keiju@ishitsuka.com) +# by Keiju ISHITSUKA(keiju@ruby-lang.org) # # -- # @@ -100,6 +100,10 @@ module IRB [:fg, NO_OVERRIDE]], [:irb_kill, :Kill, "irb/cmd/subirb", [:kill, OVERRIDE_PRIVATE_ONLY]], + + [:irb_help, :Help, "irb/cmd/help", + [:help, NO_OVERRIDE]], + ] def EXCB.install_extend_commands @@ -189,6 +193,7 @@ module IRB [:use_tracer=, "irb/ext/tracer.rb"], [:math_mode=, "irb/ext/math-mode.rb"], [:use_loader=, "irb/ext/use-loader.rb"], + [:save_history=, "irb/ext/save-history.rb"], ] def CE.install_extend_commands @@ -212,5 +217,48 @@ module IRB CE.install_extend_commands end + + module MethodExtender + def def_pre_proc(base_method, extend_method) + base_method = base_method.to_s + extend_method = extend_method.to_s + + alias_name = new_alias_name(base_method) + module_eval %[ + alias_method alias_name, base_method + def #{base_method}(*opts) + send :#{extend_method}, *opts + send :#{alias_name}, *opts + end + ] + end + + def def_post_proc(base_method, extend_method) + base_method = base_method.to_s + extend_method = extend_method.to_s + + alias_name = new_alias_name(base_method) + module_eval %[ + alias_method alias_name, base_method + def #{base_method}(*opts) + send :#{alias_name}, *opts + send :#{extend_method}, *opts + end + ] + end + + # return #{prefix}#{name}#{postfix}<num> + def new_alias_name(name, prefix = "__alias_of__", postfix = "__") + base_name = "#{prefix}#{name}#{postfix}" + all_methods = instance_methods(true) + private_instance_methods(true) + same_methods = all_methods.grep(/^#{Regexp.quote(base_name)}[0-9]*$/) + return base_name if same_methods.empty? + no = same_methods.size + while !same_methods.include?(alias_name = base_name + no) + no += 1 + end + alias_name + end + end end |