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ExternalAddressWrapper.clp
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71 lines (68 loc) · 2.91 KB
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;------------------------------------------------------------------------------
; syn
; Copyright (c) 2013-2017, Joshua Scoggins and Contributors
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without
; modification, are permitted provided that the following conditions are met:
; * Redistributions of source code must retain the above copyright
; notice, this list of conditions and the following disclaimer.
; * Redistributions in binary form must reproduce the above copyright
; notice, this list of conditions and the following disclaimer in the
; documentation and/or other materials provided with the distribution.
;
; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
; ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;------------------------------------------------------------------------------
; ExternalAddressWrapper.clp - Common class concept for external address wrappers
;------------------------------------------------------------------------------
(defclass MAIN::external-address-wrapper
(is-a USER)
(slot backing-type
(type SYMBOL)
(storage local)
(visibility public)
(default ?NONE))
(slot backing-store
(type EXTERNAL-ADDRESS)
(storage local)
(visibility public))
(multislot constructor-args
(storage local)
(visibility public))
(message-handler init around)
(message-handler call primary))
(defmessage-handler MAIN::external-address-wrapper init around
()
(call-next-handler)
(bind ?self:backing-store
(new (dynamic-get backing-type)
(expand$ (dynamic-get constructor-args)))))
(defmessage-handler MAIN::external-address-wrapper call primary
(?cmd $?args)
(call (dynamic-get backing-store)
?cmd
(expand$ ?args)))
(defmethod call
((?target external-address-wrapper)
(?cmd SYMBOL)
(?arguments MULTIFIELD))
(send ?target
call
?cmd
?arguments))
(defmethod call
((?target external-address-wrapper)
(?cmd SYMBOL)
$?arguments)
(call ?target
?cmd
?arguments))