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;; Copyright (c) Eduardo Julian. All rights reserved.
;; This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
;; If a copy of the MPL was not distributed with this file,
;; You can obtain one at http://mozilla.org/MPL/2.0/.
(ns lux.analyser.meta
(:require (clojure [template :refer [do-template]])
clojure.core.match
clojure.core.match.array
(lux [base :as & :refer [deftags |let |do return return* fail fail* |case]])))
;; [Utils]
(defn ^:private ident= [x y]
(|let [[px nx] x
[py ny] y]
(and (= px py)
(= nx ny))))
(def ^:private tag-prefix "lux")
;; [Values]
(defn meta-get [ident dict]
"(-> Ident DefMeta (Maybe DefMetaValue))"
(|case dict
(&/$Cons [k v] dict*)
(if (ident= k ident)
(&/Some$ v)
(meta-get ident dict*))
(&/$Nil)
&/None$
_
(assert false (prn-str (&/adt->text ident)
(&/adt->text dict)))))
(do-template [<name> <tag-name>]
(def <name> (&/T [tag-prefix <tag-name>]))
type?-tag "type?"
alias-tag "alias"
macro?-tag "macro?"
export?-tag "export?"
tags-tag "tags"
)
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