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add error message for invalid type usage

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This commit is contained in:
Kristin Rutenkolk 2024-10-24 11:37:40 +02:00
parent cf2decedcd
commit 020e10264f
1 changed files with 33 additions and 31 deletions
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4
src/clj/coffi/mem.clj
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@ -1919,8 +1919,10 @@
This creates needed serialization and deserialization implementations for the new type." This creates needed serialization and deserialization implementations for the new type."
{:style/indent [:defn]} {:style/indent [:defn]}
[typename members] [typename members]
(let [invalid-typenames (filter #(try (c-layout (first %)) nil (catch Exception e (first %))) (partition 2 members))]
(cond (cond
(odd? (count members)) (throw (Exception. "uneven amount of members supplied. members have to be typed and are required to be supplied in the form of `typename member-name`. the typename has to be coffi typename, like `:coffi.mem/int` or `[:coffi.mem/array :coffi.mem/byte 3]`")) (odd? (count members)) (throw (Exception. "uneven amount of members supplied. members have to be typed and are required to be supplied in the form of `typename member-name`. the typename has to be coffi typename, like `:coffi.mem/int` or `[:coffi.mem/array :coffi.mem/byte 3]`"))
(seq invalid-typenames) (throw (Exception. (str "invalid typename/s " (print-str invalid-typenames) ". typename has to be coffi typename, like `:coffi.mem/int` or `[:coffi.mem/array :coffi.mem/byte 3]`")))
:else :else
(let [coffi-typename (keyword (str *ns*) (str typename)) (let [coffi-typename (keyword (str *ns*) (str typename))
typed-symbols (->> typed-symbols (->>
@ -1949,6 +1951,6 @@
(defmethod clojure.core/print-method ~typename [~'obj ~'writer] (print-simple (into {} ~'obj) ~'writer)) (defmethod clojure.core/print-method ~typename [~'obj ~'writer] (print-simple (into {} ~'obj) ~'writer))
) )
) )
) ))
) )