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-rw-r--r--ruby_2_2/lib/irb/ext/change-ws.rb45
1 files changed, 45 insertions, 0 deletions
diff --git a/ruby_2_2/lib/irb/ext/change-ws.rb b/ruby_2_2/lib/irb/ext/change-ws.rb
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+#
+# irb/ext/cb.rb -
+# $Release Version: 0.9.6$
+# $Revision$
+# by Keiju ISHITSUKA(keiju@ruby-lang.org)
+#
+# --
+#
+#
+#
+
+module IRB # :nodoc:
+ class Context
+
+ # Inherited from +TOPLEVEL_BINDING+.
+ 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
+ end
+end
+