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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.compiler.cache.ann
(:require (clojure [template :refer [do-template]]
[string :as string])
[clojure.core.match :as M :refer [matchv]]
clojure.core.match.array
(lux [base :as & :refer [|let |do return* return fail fail* |case]])))
(def ^:private stop (->> 7 char str))
(def ^:private cons-signal (->> 5 char str))
(def ^:private nil-signal (->> 6 char str))
(def ^:private ident-separator ";")
(defn ^:private serialize-seq [serialize-ann params]
(str (&/fold (fn [so-far param]
(str so-far cons-signal (serialize-ann param)))
""
params)
nil-signal))
(defn ^:private serialize-text [value]
(str "T" value stop))
(defn ^:private serialize-ident [ident]
(|let [[module name] ident]
(str "@" module ident-separator name stop)))
(defn serialize-ann
"(-> Ann-Value Text)"
[ann]
(|case ann
(&/$BoolM value)
(str "B" value stop)
(&/$NatM value)
(str "N" value stop)
(&/$IntM value)
(str "I" value stop)
(&/$FracM value)
(str "F" value stop)
(&/$RealM value)
(str "R" value stop)
(&/$CharM value)
(str "C" value stop)
(&/$TextM value)
(serialize-text value)
(&/$IdentM ident)
(serialize-ident ident)
(&/$ListM elems)
(str "L" (serialize-seq serialize-ann elems))
(&/$DictM kvs)
(str "D" (serialize-seq (fn [kv]
(|let [[k v] kv]
(str (serialize-text k)
(serialize-ann v))))
kvs))
_
(assert false)
))
(defn serialize-anns
"(-> Anns Text)"
[anns]
(serialize-seq (fn [kv]
(|let [[k v] kv]
(str (serialize-ident k)
(serialize-ann v))))
anns))
(declare deserialize-ann)
(do-template [<name> <signal> <ctor> <parser>]
(defn <name> [^String input]
(when (.startsWith input <signal>)
(let [[value* ^String input*] (.split (.substring input 1) stop 2)]
[(<ctor> (<parser> value*)) input*])))
^:private deserialize-bool "B" &/$BoolM Boolean/parseBoolean
^:private deserialize-nat "N" &/$NatM Long/parseLong
^:private deserialize-int "I" &/$IntM Long/parseLong
^:private deserialize-frac "F" &/$FracM Long/parseLong
^:private deserialize-real "R" &/$RealM Double/parseDouble
^:private deserialize-char "C" &/$CharM (fn [^String input] (.charAt input 0))
^:private deserialize-text "T" &/$TextM identity
)
(defn ^:private deserialize-ident* [^String input]
(when (.startsWith input "@")
(let [[ident* ^String input*] (.split (.substring input 1) stop 2)
[_module _name] (.split ident* ident-separator 2)]
[(&/T [_module _name]) input*])))
(defn ^:private deserialize-ident [^String input]
(when (.startsWith input "@")
(let [[ident* ^String input*] (.split (.substring input 1) stop 2)
[_module _name] (.split ident* ident-separator 2)]
[(&/$IdentM (&/T [_module _name])) input*])))
(defn ^:private deserialize-seq [deserializer input]
(cond (.startsWith input nil-signal)
[&/$Nil (.substring input 1)]
(.startsWith input cons-signal)
(when-let [[head ^String input*] (deserializer (.substring input 1))]
(when-let [[tail ^String input*] (deserialize-seq deserializer input*)]
[(&/$Cons head tail) input*]))
))
(do-template [<name> <deserialize-key>]
(defn <name> [input]
(when-let [[key input*] (<deserialize-key> input)]
(when-let [[ann input*] (deserialize-ann input*)]
[(&/T [key ann]) input*])))
^:private deserialize-kv deserialize-text
^:private deserialize-ann-entry deserialize-ident*
)
(do-template [<name> <signal> <type> <deserializer>]
(defn <name> [^String input]
(when (.startsWith input <signal>)
(when-let [[elems ^String input*] (deserialize-seq <deserializer>
(.substring input 1))]
[(<type> elems) input*])))
^:private deserialize-list "L" &/$ListM deserialize-ann
^:private deserialize-dict "D" &/$DictM deserialize-kv
)
(defn ^:private deserialize-ann
"(-> Text Anns)"
[input]
(or (deserialize-bool input)
(deserialize-nat input)
(deserialize-int input)
(deserialize-frac input)
(deserialize-real input)
(deserialize-char input)
(deserialize-text input)
(deserialize-ident input)
(deserialize-list input)
(deserialize-dict input)
(assert false "[Cache error] Can't deserialize annocation.")))
(defn deserialize-anns [^String input]
(deserialize-seq deserialize-ann-entry input))
|
