0e3584884f
init in compile mode is ~2.4 s (tier loading, analyzer self-compile, macro recompilation), paid by every process that builds a ctx from source — each jpm-test file, embedders, workers. init-cached marshals the built ctx to a disk image (same root-env dicts as snapshot/fork) and later processes unmarshal it in ~5 ms, any process: nothing from the baking process is needed at load. The cache key fingerprints the embedded .clj stdlib (which covers jolt-core: analyzer, IR, core tiers), the .janet seed sources next to the module, the janet version, the init opts, and the env knobs that shape a ctx (JOLT_PATH/ MUTABLE/AOT_CORE/FEATURES) — any change rebuilds. Corrupt or non-ctx images fall back to a rebuild (unmarshal of garbage can 'succeed' with a scalar, so the shape is checked, not just the throw). Writes are atomic (tmp + rename) so racing cold starts never publish a torn image. JOLT_NO_IMAGE_CACHE=1 opts out; JOLT_IMAGE_CACHE_DIR overrides the location (default TMPDIR). Test consumers switch to init-cached (harness, suite-worker, conformance, the behavioral unit/integration tests); tests that validate the bootstrap itself (bootstrap-fixpoint, staged-bootstrap, aot round-trip, direct-linking) and the deps tests (tmp-dir :paths would fragment the key) keep real init. Full jpm test: 2:46 -> 1:58 (~29%). New ctx-image-test covers cold/warm, cross-process load (subprocess runs defn/redef/macros/protocols/multimethods off the baked image), per-opts keying, and corrupt-image fallback.
46 lines
1.7 KiB
Text
46 lines
1.7 KiB
Text
(use ../../src/jolt/api)
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(defn ct-eval [ctx s] (normalize-pvecs (eval-string ctx s)))
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(print "Janet Interop Tests")
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(print "1: field access on tables...")
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(let [ctx (init-cached)]
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(ct-eval ctx "(def t {:a 1 :b 2})")
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(assert (= 1 (ct-eval ctx "(. t :a)")) ". field access table")
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(assert (= 2 (ct-eval ctx "(. t :b)")) ". field access table 2")
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(assert (= nil (ct-eval ctx "(. t :z)")) ". field access missing key"))
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(print " ok")
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(print "2: field access on structs...")
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(let [ctx (init-cached)]
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(ct-eval ctx "(def s {:x 10 :y 20})")
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(assert (= 10 (ct-eval ctx "(. s :x)")) ". field access struct")
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(assert (= 20 (ct-eval ctx "(. s :y)")) ". field access struct 2"))
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(print " ok")
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(print "3: method calls on tables...")
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(let [ctx (init-cached)]
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(ct-eval ctx "(def obj {:greet (fn [self name] (str \"Hello \" name))})")
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(assert (= "Hello Alice" (ct-eval ctx "(. obj greet \"Alice\")")) ". method call on table"))
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(print " ok")
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(print "4: field access via .- reader sugar...")
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(let [ctx (init-cached)]
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(ct-eval ctx "(def t {:x 42 :len 5})")
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(assert (= 42 (ct-eval ctx "(.-x t)")) ".-x reader sugar")
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(assert (= 5 (ct-eval ctx "(.-len t)")) ".-len reader sugar"))
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(print " ok")
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(print "5: . field access still works on deftypes...")
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(let [ctx (init-cached)]
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(ct-eval ctx "(deftype Point [x y])")
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(assert (= 3 (ct-eval ctx "(. (Point. 3 4) x)")) ". field access deftype"))
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(print " ok")
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(print "6: method call with multiple args...")
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(let [ctx (init-cached)]
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(ct-eval ctx "(def calc {:add (fn [_ a b] (+ a b)) :mul (fn [_ a b] (* a b))})")
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(assert (= 7 (ct-eval ctx "(. calc add 3 4)")) ". method add")
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(assert (= 12 (ct-eval ctx "(. calc mul 3 4)")) ". method mul"))
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(print " ok")
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(print "\nAll Janet Interop tests passed!")
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