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;; Copyright (c) Eduardo Julian. All rights reserved.
;; The use and distribution terms for this software are covered by the
;; Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
;; which can be found in the file epl-v10.html at the root of this distribution.
;; By using this software in any fashion, you are agreeing to be bound by
;; the terms of this license.
;; You must not remove this notice, or any other, from this software.
(ns lux.analyser.lambda
(:require [clojure.core.match :as M :refer [matchv]]
clojure.core.match.array
(lux [base :as & :refer [|let |do return fail]]
[host :as &host])
(lux.analyser [base :as &&]
[env :as &env])))
;; [Resource]
(defn with-lambda [self self-type arg arg-type body]
(|let [[?module1 ?name1] self
[?module2 ?name2] arg]
(&/with-closure
(|do [scope-name &/get-scope-name]
(&env/with-local (str ?module1 ";" ?name1) self-type
(&env/with-local (str ?module2 ";" ?name2) arg-type
(|do [=return body
=captured &env/captured-vars]
(return (&/T scope-name =captured =return)))))))))
(defn close-over [scope ident register frame]
(matchv ::M/objects [register]
[[_ register-type]]
(|let [register* (&/T (&/V "captured" (&/T scope
(->> frame (&/get$ &/$CLOSURE) (&/get$ &/$COUNTER))
register))
register-type)
[?module ?name] ident
full-name (str ?module ";" ?name)]
(&/T register* (&/update$ &/$CLOSURE #(->> %
(&/update$ &/$COUNTER inc)
(&/update$ &/$MAPPINGS (fn [mps] (&/|put full-name register* mps))))
frame)))))
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