ludus/janet/errors.janet
2024-06-05 15:52:03 -04:00

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(import spork/json :as j)
(import /base :as b)
(defn- get-line [source line]
((string/split "\n" source) (dec line)))
(defn scan-error [e out] (set (out :errors) e) (j/encode out))
(defn parse-error [e]
(def msg (e :msg))
(def line-num (get-in e [:token :line]))
(def source (get-in e [:token :source]))
(def source-line (get-line source line-num))
(print "Parsing error: " msg)
(print "On line " line-num ":")
(print source-line))
(defn validation-error [e]
(def msg (e :msg))
(def line-num (get-in e [:node :token :line]))
(def source (get-in e [:node :token :source]))
(def source-line (get-line source line-num))
(case msg
"unbound name"
(do
(print "Validation error: " msg " " (get-in e [:node :data]))
(print "on line " line-num)
(print source-line)
)
)
)
(defn runtime-error [e out] (set (out :errors) e) (j/encode out))