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# frozen_string_literal: false
#
# push-ws.rb -
# $Release Version: 0.9.6$
# $Revision: 53141 $
# by Keiju ISHITSUKA(keiju@ruby-lang.org)
#
# --
#
#
#
module IRB # :nodoc:
class Context
# Size of the current WorkSpace stack
def irb_level
workspace_stack.size
end
# WorkSpaces in the current stack
def workspaces
if defined? @workspaces
@workspaces
else
@workspaces = []
end
end
# Creates a new workspace with the given object or binding, and appends it
# onto the current #workspaces stack.
#
# See IRB::Context#change_workspace and IRB::WorkSpace.new for more
# information.
def push_workspace(*_main)
if _main.empty?
if workspaces.empty?
print "No other workspace\n"
return nil
end
ws = workspaces.pop
workspaces.push @workspace
@workspace = ws
return workspaces
end
workspaces.push @workspace
@workspace = WorkSpace.new(@workspace.binding, _main[0])
if !(class<<main;ancestors;end).include?(ExtendCommandBundle)
main.extend ExtendCommandBundle
end
end
# Removes the last element from the current #workspaces stack and returns
# it, or +nil+ if the current workspace stack is empty.
#
# Also, see #push_workspace.
def pop_workspace
if workspaces.empty?
print "workspace stack empty\n"
return
end
@workspace = workspaces.pop
end
end
end
Mini Shell