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jolt/host/chez/seed
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Yogthos 0db08e7571 Memoize the success checker's per-fn body re-inference 
check-user-call rebuilt the all-:any env once per parameter (O(params^2)) and
re-inferred a callee body at every call site. Build the env once and memoize each
probe by [key i argtype] (and the baseline by [:base key]), cleared per form in
check-form. The global type-env is stable within a form's check and the probe's
calls/escapes side effects aren't read there, so a skipped repeat is observably
identical. (The inline-side re-walk the audit flagged is moot: hc-inline-ir is a
no-op on Chez, so try-inline never reaches body-size/body-closed?.)
2026-06-23 01:54:39 -04:00
..
image.ss Memoize the success checker's per-fn body re-inference 2026-06-23 01:54:39 -04:00
prelude.ss JVM-semantics fixes and small cleanups 2026-06-23 01:36:51 -04:00
README.md Docs: Chez-only, drop the Janet-era references and obsolete migration notes 2026-06-22 09:05:35 -04:00

README.md

Chez bootstrap seed

These two files are the bootstrap compiler for jolt — the seed that makes the build self-hosting:

  • prelude.ss — the clojure.core prelude (all tiers + clojure.string/walk/ template/edn/set/pprint) as Scheme def-var! forms.
  • image.ss — the compiler image (jolt.ir + jolt.analyzer + jolt.backend-scheme) as Scheme def-var! forms.

Both are generated, not hand-written. They are checked in because a fresh checkout must be able to build jolt-on-Chez using only Chez: host/chez/bootstrap.ss loads this seed, then rebuilds the prelude + image from the .clj/.ss sources via the on-Chez compiler (read → analyze → emit, all on Chez). The seed is a joint byte-fixpoint: rebuilding from an up-to-date seed reproduces it exactly. make selfhost (host/chez/selfcheck.sh) runs host/chez/bootstrap.ss and diffs the rebuilt artifacts against the checked-in seed.

Re-minting

When the seed sources change (the core tiers, the compiler namespaces, the host contract, the reader, emit-image.ss), the seed drifts and make selfhost fails. Re-mint it by running host/chez/bootstrap.ss and writing the freshly rebuilt prelude/image back to host/chez/seed/prelude.ss / host/chez/seed/image.ss, then commit the refreshed files.