57 lines
1.6 KiB
Common Lisp
57 lines
1.6 KiB
Common Lisp
;;;; cl-scopes/csys/environ - communication system environment
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(defpackage :scopes/csys/environ
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(:use :common-lisp)
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(:local-nicknames (:actor :scopes/core/actor)
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(:csys :scopes/csys)
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(:index :scopes/util/index)
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(:message :scopes/core/message)
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(:shape :scopes/shape))
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(:export #:create
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#:actions
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#:forward))
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(in-package :scopes/csys/environ)
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(defclass scope (csys:scope)
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((cells :reader cells :initform (make-hash-table :test #'equal))))
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(defun create (proc app)
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(let ((prog (csys:make-program proc)))
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(csys:neuron (csys:scope prog app :cls 'scope :categ '(:env :c00)))))
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;;;; action handlers, public callables
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(defun actions ()
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'(:created #'cell-created
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:default #'csys:notify))
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(defun cell-created (msg scope)
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(let* ((data (shape:data msg))
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(addr (getf data :addr)))
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(when addr
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(register-cell (cells scope) addr (getf data :new)))))
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(defun forward-message (head scope &key data customer)
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(forward (message:create head :data data :customer customer) scope))
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(defun forward (msg scope)
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(dolist (cell (find-cells (cells scope) (message:addr msg)))
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(actor:send cell msg)))
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;;;; helpers
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(defun register-cell (reg addr cell)
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(destructuring-bind (cat key) addr
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(let ((idx (getf cat reg)))
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(unless idx
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(setf idx (index:create))
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(setf (getf cat reg) idx))
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(index:put idx key cell))))
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(defun find-cells (reg addr)
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(destructuring-bind (cat key) addr
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(let ((idx (getf cat reg)))
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(when idx
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(index:query idx key)))))
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