67 lines
1.5 KiB
Ruby
67 lines
1.5 KiB
Ruby
# frozen_string_literal: false
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#
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# push-ws.rb -
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# $Release Version: 0.9.6$
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# $Revision$
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# by Keiju ISHITSUKA(keiju@ruby-lang.org)
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#
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# --
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#
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#
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#
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module IRB # :nodoc:
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class Context
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# Size of the current WorkSpace stack
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def irb_level
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workspace_stack.size
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end
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# WorkSpaces in the current stack
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def workspaces
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if defined? @workspaces
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@workspaces
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else
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@workspaces = []
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end
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end
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# Creates a new workspace with the given object or binding, and appends it
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# onto the current #workspaces stack.
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#
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# See IRB::Context#change_workspace and IRB::WorkSpace.new for more
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# information.
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def push_workspace(*_main)
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if _main.empty?
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if workspaces.empty?
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print "No other workspace\n"
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return nil
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end
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ws = workspaces.pop
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workspaces.push @workspace
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@workspace = ws
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return workspaces
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end
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workspaces.push @workspace
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@workspace = WorkSpace.new(@workspace.binding, _main[0])
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if !(class<<main;ancestors;end).include?(ExtendCommandBundle)
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main.extend ExtendCommandBundle
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end
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end
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# Removes the last element from the current #workspaces stack and returns
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# it, or +nil+ if the current workspace stack is empty.
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#
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# Also, see #push_workspace.
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def pop_workspace
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if workspaces.empty?
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print "workspace stack empty\n"
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return
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end
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@workspace = workspaces.pop
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end
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end
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end
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