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(ns lux.analyser.lambda
(:require [clojure.core.match :refer [match]]
(lux [base :as & :refer [exec return fail
try-all-m map-m mapcat-m reduce-m
assert!]])
(lux.analyser [base :as &&]
[env :as &env])))
;; [Resource]
(defn with-lambda [self self-type arg arg-type body]
(&/with-closure
(exec [scope-name &/get-scope-name]
(&env/with-local self self-type
(&env/with-local arg arg-type
(exec [=return body
=captured &env/captured-vars]
(return [scope-name =captured =return])))))))
(defn close-over [scope ident register frame]
(match register
[::&&/Expression _ register-type]
(let [register* [::&&/Expression [::&&/captured scope (get-in frame [:closure :counter]) register] register-type]]
[register* (update-in frame [:closure] #(-> %
(update-in [:counter] inc)
(assoc-in [:mappings ident] register*)))])))
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