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Device.clp
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209 lines (192 loc) · 5.6 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.
;------------------------------------------------------------------------------
; Device.clp - Common class concept for external address wrappers
;------------------------------------------------------------------------------
(defclass MAIN::device
"An interface for providing read and write functionality"
(is-a USER)
(role abstract)
(pattern-match non-reactive)
(message-handler read primary)
(message-handler write primary))
(defclass MAIN::external-device
(is-a external-address-wrapper
device)
(role abstract)
(pattern-match non-reactive))
(defgeneric MAIN::move
"Move a value from one place to another, meant for multiple devices")
(defgeneric MAIN::swap
"swap a value from one place to another, meant for multiple devices")
(defmethod MAIN::move
"transfer data from one device to another"
((?src device)
(?src-address INTEGER)
(?dest device
(neq ?src
?current-argument))
(?dest-address INTEGER))
(send ?dest
write
?dest-address
(send ?src
read
?src-address)))
(defmethod MAIN::move
"call move when the two devices are the same"
((?src device)
(?src-address INTEGER)
(?dest device
(eq ?src
?current-argument))
(?dest-address INTEGER))
(send ?src
move
?src-address
?dest-address))
(defmethod MAIN::move
"transfer data from one device to another"
((?src EXTERNAL-ADDRESS)
(?src-address INTEGER)
(?dest EXTERNAL-ADDRESS
(neq ?src
?current-argument))
(?dest-address INTEGER))
(call ?dest
write
?dest-address
(call ?src
read
?src-address)))
(defmethod MAIN::move
"call move when the two devices are the same"
((?src EXTERNAL-ADDRESS)
(?src-address INTEGER)
(?dest EXTERNAL-ADDRESS
(eq ?src
?current-argument))
(?dest-address INTEGER))
(call ?src
move
?src-address
?dest-address))
(defmethod MAIN::swap
"transfer data from one device to another"
((?src EXTERNAL-ADDRESS)
(?src-address INTEGER)
(?dest EXTERNAL-ADDRESS
(neq ?src
?current-argument))
(?dest-address INTEGER))
(bind ?dest-value
(call ?dest
read
?dest-address))
(call ?dest
write
?dest-address
(call ?src
read
?src-address))
(call ?src
write
?src-address
?dest-value))
(defmethod MAIN::swap
"call swap when the two devices are the same"
((?src EXTERNAL-ADDRESS)
(?src-address INTEGER)
(?dest EXTERNAL-ADDRESS
(eq ?src
?current-argument))
(?dest-address INTEGER))
(call ?src
swap
?src-address
?dest-address))
(defmethod MAIN::swap
"swap data between two different memory blocks"
((?src device)
(?src-address INTEGER)
(?dest device
(neq ?src
?current-argument))
(?dest-address INTEGER))
(bind ?dest-value
(send ?dest
read
?dest-address))
(send ?dest
write
?dest-address
(send ?src
read
?src-address))
(send ?src
write
?src-address
?dest-value))
(defmethod MAIN::swap
"call swap when the two devices are the same"
((?src device)
(?src-address INTEGER)
(?dest device
(eq ?src
?current-argument))
(?dest-address INTEGER))
(send ?src
swap
?src-address
?dest-address))
(defgeneric MAIN::load-value)
(defgeneric MAIN::store-value)
(defmethod MAIN::load-value
((?memory EXTERNAL-ADDRESS)
(?address INTEGER))
(call ?memory
read
?address))
(defmethod MAIN::load-value
((?memory device)
(?address INTEGER))
(send ?memory
read
?address))
(defmethod MAIN::store-value
((?memory EXTERNAL-ADDRESS)
(?address INTEGER)
(?value INTEGER))
(call ?memory
write
?address
?value))
(defmethod MAIN::store-value
((?memory device)
(?address INTEGER)
(?value INTEGER))
(send ?memory
write
?address
?value))