48e2ef5910
Rephrase comments that pointed at deleted Janet files (emit.janet, the seed
sources, 'the Janet back end punts ...') to present-tense descriptions of the
Chez behavior. Comment/docstring-only; the self-host fixpoint is unchanged
(comments don't affect the compiled seed).
Delete five files that were Janet-host shims with no Chez path: clojure.java.io
(provided natively by host/chez/io.ss), and jolt.{nrepl,png,interop,shell}
(the janet.* bridge, os/shell, janet.net — none exist on Chez).
jolt-cf1q.6
46 lines
2.4 KiB
Scheme
46 lines
2.4 KiB
Scheme
;; host class tokens (jolt-13zk) — a bare class name (String, Keyword, File...)
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;; evaluates to its JVM canonical-name STRING, the same value (class instance)
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;; returns, so (= String (class "x")) holds and a (defmethod m String ...) keys
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;; against a (class …) dispatch (ring.util.request does this).
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;; The analyzer resolves these names to clojure.core vars, so the back end emits
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;; (var-deref "clojure.core" "String") — def-var!'ing the canonical strings here is
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;; all that's needed at runtime.
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;;
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;; Loaded after natives-meta.ss (jolt-type) + the printer (jolt-str-render-one).
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;; (class x) — Clojure's class of a value. Scalars map to their JVM class name,
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;; matching core-class. Collections/seqs have no JVM class on this host;
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;; (str (type x)) is the clean host taxonomy and
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;; is never compared against a class token in the corpus. Records yield their
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;; ns-qualified class name (= (str (type x))). Total — never crashes.
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(define (jolt-class x)
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(cond
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((jolt-nil? x) jolt-nil)
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((boolean? x) "java.lang.Boolean")
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((number? x) "java.lang.Number")
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((string? x) "java.lang.String")
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((keyword? x) "clojure.lang.Keyword")
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((symbol-t? x) "clojure.lang.Symbol")
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((procedure? x) "clojure.lang.IFn")
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(else (jolt-str-render-one (jolt-type x)))))
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(def-var! "clojure.core" "class" jolt-class)
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;; bare class-name tokens -> canonical JVM class-name strings.
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(for-each
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(lambda (pair) (def-var! "clojure.core" (car pair) (cdr pair)))
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'(("String" . "java.lang.String") ("Number" . "java.lang.Number")
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("Boolean" . "java.lang.Boolean") ("Long" . "java.lang.Long")
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("Integer" . "java.lang.Integer") ("Double" . "java.lang.Double")
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("InputStream" . "java.io.InputStream") ("OutputStream" . "java.io.OutputStream")
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("File" . "java.io.File") ("Reader" . "java.io.Reader") ("Writer" . "java.io.Writer")
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("ISeq" . "clojure.lang.ISeq") ("Keyword" . "clojure.lang.Keyword")
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("Symbol" . "clojure.lang.Symbol") ("MapEntry" . "clojure.lang.MapEntry")
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("StringReader" . "java.io.StringReader") ("StringWriter" . "java.io.StringWriter")
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("StringBuilder" . "java.lang.StringBuilder")
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("StringTokenizer" . "java.util.StringTokenizer")
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("Charset" . "java.nio.charset.Charset") ("Base64" . "java.util.Base64")
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("Exception" . "java.lang.Exception")
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("IllegalArgumentException" . "java.lang.IllegalArgumentException")
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("InterruptedException" . "java.lang.InterruptedException")
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("Throwable" . "java.lang.Throwable")))
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