Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

34 lines (28 sloc) 1.204 kb
;; Copyright (c) Nicola Mometto, Rich Hickey & contributors.
;; 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 clojure.tools.analyzer.passes.add-binding-atom
(:require [clojure.tools.analyzer.ast :refer [prewalk]]))
(def ^:dynamic ^:private *bindings*)
(defn ^:private -add-binding-atom
[ast]
(case (:op ast)
:binding
(let [a (atom {})]
(swap! *bindings* assoc (:name ast) a)
(assoc ast :atom a))
:local
(assoc ast :atom (or (@*bindings* (:name ast))
(atom {})))
ast))
(defn add-binding-atom
"Walks the AST and adds an atom-backed-map to every local binding,
the same atom will be shared between all occurences of that local.
The atom is put in the :atom field of the node."
[ast]
(binding [*bindings* (atom {})]
(prewalk ast -add-binding-atom)))
Jump to Line
Something went wrong with that request. Please try again.