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logging.cljc
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logging.cljc
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(ns sc.api.logging
(:require [sc.impl.logging :as il]))
(defn register-cs-logger
[logger-id f]
(defmethod il/log-cs logger-id
[_ cs]
(f cs)))
;; TODO handle :default with friendly message (Val, 02 Oct 2017)
(defn- source-info [cs]
(str (get cs :sc.cs/file "(Unknown file)") ":" (:sc.cs/line cs)))
(defn- portable-println
[s]
#?(:clj (.println System/out ^String s)
:cljs (.log js/console s)))
(defn log-cs
[prefix cs]
(portable-println
(str
prefix " <" (:sc.cs/id cs) "> "
(source-info cs) " "
"\n "
(str "At Code Site " (:sc.cs/id cs) ", will save scope with locals " (pr-str (:sc.cs/local-names cs))))))
(register-cs-logger
::log-spy-cs
(fn [cs] (log-cs "SPY" cs)))
(register-cs-logger
::log-brk-cs
(fn [cs] (log-cs "BRK" cs)))
(defn- epid-info
[ep]
(let [cs (:sc.ep/code-site ep)]
(pr-str [(:sc.ep/id ep) (:sc.cs/id cs)])))
(defn log-spy-ep-pre-eval
[ep]
(let [cs (:sc.ep/code-site ep)]
(println "SPY"
(epid-info ep)
(source-info cs)
(str
"\n "
"At Execution Point " (:sc.ep/id ep) " of Code Site " (:sc.cs/id cs) ", "
"saved scope with locals "
(pr-str (:sc.cs/local-names cs))))))
(defn log-spy-ep-post-eval
[ep]
(let [cs (:sc.ep/code-site ep)]
(println "SPY"
(epid-info ep)
(source-info cs)
(str
"\n"
(pr-str (:sc.cs/expr cs))
(cond
(:sc.ep/value ep)
(str "\n=>\n" (pr-str (:sc.ep/value ep)))
(:sc.ep/error ep)
(str "\nthrew\n" (pr-str (:sc.ep/error ep)))
:else
"")))))
(defn log-spy-ep-post-eval--quiet
[ep]
(let [cs (:sc.ep/code-site ep)]
(println "SPY"
(epid-info ep)
(source-info cs)
(str
"\n"
(let [expr-repr (if (symbol? (:sc.cs/expr cs))
(pr-str (:sc.cs/expr cs))
"<<saved-value>>")]
(cond
(:sc.ep/value ep)
(str "(type " expr-repr ") => " (pr-str (type (:sc.ep/value ep))))
(:sc.ep/error ep)
(str expr-repr " threw a " (pr-str (type (:sc.ep/error ep))))
:else
""))))))
(defn log-brk-ep-pre-eval
[ep]
(let [cs (:sc.ep/code-site ep)]
(println "BRK"
(epid-info ep)
(source-info cs)
(str
"\n "
"saved scope with locals "
(pr-str (:sc.cs/local-names cs))
", use sc.api/loose(-...) to resume execution."))))
(defn log-brk-ep-post-eval
[ep]
(let [cs (:sc.ep/code-site ep)]
(println "BRK"
(epid-info ep)
(source-info cs)
(str
"\n"
(pr-str (:sc.cs/expr cs))
(cond
(:sc.ep/value ep)
(str "\n=>\n" (pr-str (:sc.ep/value ep)))
(:sc.ep/error ep)
(str "\nthrew\n" (pr-str (:sc.ep/error ep)))
:else
"")))))
(defn log-brk-ep-post-eval--quiet
[ep]
(let [cs (:sc.ep/code-site ep)]
(println "BRK"
(epid-info ep)
(source-info cs)
(str
"\n"
(let [expr-repr (if (symbol? (:sc.cs/expr cs))
(pr-str (:sc.cs/expr cs))
"<<saved-value>>")]
(cond
(:sc.ep/value ep)
(str "(type " expr-repr ") => " (pr-str (type (:sc.ep/value ep))))
(:sc.ep/error ep)
(str expr-repr " threw a " (pr-str (type (:sc.ep/error ep))))
:else
""))))))