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Made debugging available globally, without a need to require in every namespace #6

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Made debugging available globally, without a need to require in every namespace #6

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5 changes: 2 additions & 3 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -17,11 +17,10 @@ Add the dependency and the middleware, e.g. in your `:user` profile:
[com.gfredericks.debug-repl/wrap-debug-repl]}
```

Then when you're ready to set breakpoints:
Then when you're ready to set breakpoints (you may need to reload your
namespaces or do `(use 'clojure.core :reload)` first):

``` clojure
user> (require '[com.gfredericks.debug-repl :refer [break! unbreak!]])
nil
user> (let [x 41] (break!))
Hijacking repl for breakpoint: unnamed
user> (inc x)
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8 changes: 8 additions & 0 deletions src/com/gfredericks/debug_repl.clj
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Expand Up @@ -212,6 +212,7 @@
(wrap-eval)
(handler))))

(declare global-debug!)
(defn wrap-debug-repl
[handler]
;; Test for NREPL-53 at startup
Expand All @@ -220,6 +221,7 @@
(when (= ::bad-middleware-ordering (:type (ex-data e)))
(report-nrepl-53-bug))))

(global-debug!)
;; having handle-debug as a separate function makes it easier to do
;; interactive development on this middleware
(fn [msg] (handle-debug handler msg)))
Expand All @@ -237,3 +239,9 @@
after unbreaking."
[& body]
`(try ~@body (catch Throwable ~'&ex (./break!) (throw ~'&ex))))

(defn global-debug! []
(intern 'clojure.core 'break! @#'break!) (.setMacro (find-var 'clojure.core/break!))
(intern 'clojure.core 'unbreak! @#'unbreak!)
(intern 'clojure.core 'unbreak!! @#'unbreak!!)
(intern 'clojure.core 'catch-break! @#'catch-break!) (.setMacro (find-var 'clojure.core/catch-break!)))