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trace.cljc
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trace.cljc
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(ns pettomato.devs.trace
"Tracing for DEVS."
#?(:cljs (:require-macros pettomato.devs.trace)))
(def ^:dynamic *trace-enabled* false)
(def ^:dynamic *context* {:path [:root]})
(def ^:dynamic *handler* (constantly nil))
(defn trace [event]
(*handler* (merge *context* event))
nil)
(defn initialize-enter [context [sim t]]
(assoc context
:method :initialize
:type :enter
:sim sim
:time t))
(defn initialize-exit [context sim]
(-> context
(assoc :type :exit :sim sim)))
(defn collect-mail-enter [context [sim t]]
(assoc context
:method :collect-mail
:type :enter
:sim sim
:time t))
(defn collect-mail-exit [context mail]
(-> context
(assoc :type :exit :mail mail)
(dissoc :sim)))
(defn transition-enter [context [sim mail t]]
(assoc context
:method :transition
:type :enter
:sim sim
:mail mail
:time t))
(defn transition-exit [context sim]
(-> context
(assoc :type :exit :sim sim)
(dissoc :mail)))
(defmacro with-trace [enter-fn exit-fn args & body]
`(binding [*context* (~enter-fn *context* ~args)]
(trace *context*)
(let [result# (do ~@body)]
(binding [*context* (~exit-fn *context* result#)]
(trace *context*))
result#)))
(defmacro with-initialize [[sim t] & body]
`(with-trace
initialize-enter
initialize-exit
[~sim ~t]
~@body))
(defmacro with-collect-mail [[sim t] & body]
`(with-trace
collect-mail-enter
collect-mail-exit
[~sim ~t]
~@body))
(defmacro with-transition [[sim mail t] & body]
`(with-trace
transition-enter
transition-exit
[~sim ~mail ~t]
~@body))
(defn add-model [id [model elapsed]]
(trace {:type :event
:event :add-model
:id id
:model model
:elapsed elapsed}))
(defn rem-model [id]
(trace {:type :event
:event :rem-model
:id id}))
(defn connect [route]
(trace {:type :event
:event :connect
:route route}))
(defn disconnect [route]
(trace {:type :event
:event :disconnect
:route route}))
(defn get-id [] (peek (get *context* :path)))
(defn get-parent [] (peek (pop (get *context* :path))))
(defn get-path [] (get *context* :path))
(defn get-sim-time [] (get *context* :time))
(defn get-devs-method [] (get *context* :method))