62e636e52c
clojure.java.io/reader as an in-memory StringReader over slurp/string/char[]/ File; File .toURL/.toURI returning a url jhost (.toString/.getPath); slurp drains a StringReader; char-array; with-open's __close seam over jhost readers and plain :close maps. All in host/chez/io.ss (Chez-native, no analyzer change). Corpus 2191->2202, 0 new divergences. clojure.edn/read over a PushbackReader stays jolt-r8ku (runtime read).
64 lines
3.6 KiB
Text
64 lines
3.6 KiB
Text
# jolt-at0a (inc W) — reader-coupled io deferred from inc V (jolt-yyud):
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# clojure.java.io/reader (a StringReader over slurp/string/char[]/File/path),
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# char-array, File.toURL/.toURI (-> a java.net.URL jhost), slurp draining a
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# StringReader, and with-open's __close seam over both jhost readers and plain
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# :close maps. All Chez-native (host/chez/io.ss); no analyzer change. Reader/edn
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# runtime read (clojure.edn/read over a PushbackReader) stays jolt-r8ku.
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# Oracle = build/jolt.
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#
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# janet test/chez/_ioreader.janet
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(def jolt-bin (or (os/getenv "JOLT_BIN") "bin/jolt-chez"))
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(defn io [body] (string "(do (require (quote [clojure.java.io :as io])) " body ")"))
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(def cases
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[# --- char-array ---
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["(str (char-array \"abc\"))" "(\\a \\b \\c)"]
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["(.read (StringReader. (apply str (char-array \"Qz\"))))" "81"]
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# --- io/reader: char[] / string-reader passthrough / path ---
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[(io "(.read (io/reader (char-array \"abc\")))") "97"]
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[(io "(.read (io/reader (StringReader. \"k\")))") "107"]
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[(io "(slurp (io/reader (char-array \"xyz\")))") "xyz"]
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[(io "(string? (slurp (io/reader \"project.janet\")))") "true"]
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# --- File.toURL / .toURI ---
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[(io "(.toString (.toURL (io/file \"/tmp/x\")))") "file:/tmp/x"]
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[(io "(.toURI (io/file \"/tmp/x\"))") "file:/tmp/x"]
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[(io "(.getPath (.toURL (io/file \"/tmp/x\")))") "/tmp/x"]
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[(io "(.getAbsolutePath (io/file \"/a/b\"))") "/a/b"]
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# --- slurp drains a StringReader (+ ignores :encoding opts) ---
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["(slurp (StringReader. \"a=1\"))" "a=1"]
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["(slurp (StringReader. \"b\") :encoding \"UTF-8\")" "b"]
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# --- with-open: jhost reader + plain :close map ---
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["(with-open [r (StringReader. \"a\")] (.read r))" "97"]
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["(let [log (atom [])] (with-open [c {:close (fn [] (swap! log conj :closed))}] :r) (deref log))" "[:closed]"]
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["(let [log (atom [])] (try (with-open [c {:close (fn [] (swap! log conj :closed))}] (throw (ex-info \"boom\" {}))) (catch Exception e nil)) (deref log))" "[:closed]"]
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["(let [log (atom [])] (with-open [a {:close (fn [] (swap! log conj :outer))} b {:close (fn [] (swap! log conj :inner))}] :r) (deref log))" "[:inner :outer]"]
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["(with-open [c {:close (fn [] nil) :v 5}] (:v c))" "5"]])
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(defn run-capture [bin expr]
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(def proc (os/spawn [bin "-e" expr] :p {:out :pipe :err :pipe}))
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(def out (ev/read (proc :out) 0x100000))
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(def err (ev/read (proc :err) 0x100000))
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(def code (os/proc-wait proc))
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(def lines (filter (fn [l] (not (empty? l)))
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(string/split "\n" (string/trim (if out (string out) "")))))
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[code (if (empty? lines) "" (last lines)) (string/trim (if err (string err) ""))])
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(var pass 0)
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(def fails @[])
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(each [expr expected] cases
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(def [ocode oracle _] (run-capture "build/jolt" expr))
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(def [code got err] (run-capture jolt-bin expr))
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(cond
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(not= ocode 0) (array/push fails [expr (string "ORACLE FAILED exit " ocode)])
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(not= oracle expected) (array/push fails [expr (string "ORACLE MISMATCH want `" expected "` got `" oracle "`")])
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(not= code 0) (array/push fails [expr (string "exit " code "; err: " err)])
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(= got expected) (++ pass)
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(array/push fails [expr (string "want `" expected "`, got `" got "`")])))
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(printf "\n_ioreader parity [%s]: %d/%d passed" jolt-bin pass (length cases))
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(when (> (length fails) 0)
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(printf "%d FAIL(s):" (length fails))
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(each [e m] fails (printf " FAIL %s\n %s" e m)))
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(flush)
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(os/exit (if (empty? fails) 0 1))
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