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ruby--ruby/lib/irb/ext/change-ws.rb
zzak 8983315238 * lib/irb*: merge doc from doc/irb/ird.rd and improve overall
documentation of IRB
* doc/irb/irb.rd: remove stale documentation


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38358 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2012-12-13 05:22:30 +00:00

68 lines
1.4 KiB
Ruby

#
# irb/ext/cb.rb -
# $Release Version: 0.9.6$
# $Revision$
# by Keiju ISHITSUKA(keiju@ruby-lang.org)
#
# --
#
#
#
module IRB # :nodoc:
class Context
def home_workspace
if defined? @home_workspace
@home_workspace
else
@home_workspace = @workspace
end
end
# Changes the current workspace to given object or binding.
#
# If the optional argument is omitted, the workspace will be
# #home_workspace which is inherited from +TOPLEVEL_BINDING+ or the main
# object, <code>IRB.conf[:MAIN_CONTEXT]</code> when irb was initialized.
#
# See IRB::WorkSpace.new for more information.
def change_workspace(*_main)
if _main.empty?
@workspace = home_workspace
return main
end
@workspace = WorkSpace.new(_main[0])
if !(class<<main;ancestors;end).include?(ExtendCommandBundle)
main.extend ExtendCommandBundle
end
end
# def change_binding(*_main)
# back = @workspace
# @workspace = WorkSpace.new(*_main)
# unless _main.empty?
# begin
# main.extend ExtendCommandBundle
# rescue
# print "can't change binding to: ", main.inspect, "\n"
# @workspace = back
# return nil
# end
# end
# @irb_level += 1
# begin
# catch(:SU_EXIT) do
# @irb.eval_input
# end
# ensure
# @irb_level -= 1
# @workspace = back
# end
# end
# alias change_workspace change_binding
end
end