b948c4fdbb
- Reorder load sequence: types→unrestrict→vars→lang→utils→namespaces→core
- Add if-let/when-let/if-some/when-some/let macros and register in core-macro-names
- Add stubs: resolve, update, copy-core-var, copy-var, macrofy, new-var, avoid-method-too-large
- Add dynamic vars: *1, *2, *3, *e, *assert with nil-sentinel
- Fix core-update: use put instead of Janet's update (struct-incompatible)
- Change *clojure-version* from struct to table (mutable for update)
- Fix core-avoid-method-too-large: return @{} not nil
- Fix init-core! nil-sentinel unwrapping
- Fix let* destructuring for {:keys [...]} and sequential patterns
- Fix fn*/defmacro: capture defining ns for symbol resolution in closures
2.1 KiB
Sci bootstrap order: macros(4/4)→protocols(15/17)→utils(39/47)→types(22/27)→unrestrict(2/2)→vars(28/28)→lang(10/10)→ctx-store(6/6)→namespaces(93/98)→core(60/69). All .cljc; #?(:clj) resolved at read time, #?(:cljs)→nil.
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Janet last works only on indexed types (tuple, array). On strings it returns nil. Use (s (- (length s) 1)) to get the last character of a string, or (string/slice s (- (length s) 1)) for the last char as string. (last "hello") → nil, not \o.
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resolve-sym returns :jolt/not-found sentinel to distinguish nil local bindings from absent ones, preventing accidental fallthrough to global resolution. Falls back to clojure.core namespace for unqualified symbols. bind-put helper wraps nil as :jolt/nil; resolve-sym unwraps. Multi-arity fn* dispatches on fixed-params count vs variadic args.
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Janet (string :keyword) returns "keyword" (without colon). Use this for keyword→string conversion in destructuring code. Avoid (name :keyword) in Jolt evaluation context — name is a Janet built-in but may not be available in all eval contexts.
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:jolt/nil-sentinel used in core-bindings map for vars that should have nil root values. Janet table literals drop nil entries: @{"*1" nil} → empty table. init-core! unwraps sentinels back to nil with (if (= fn :jolt/nil-sentinel) nil fn). Applies to *1, *2, *3, *e and potentially other nil-rooted vars.
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fn* and defmacro now capture defining-ns at definition time and restore it via (ctx-set-current-ns ctx defining-ns) / (ctx-set-current-ns ctx saved-ns) around body evaluation. This ensures symbols in function/macro bodies resolve in the defining namespace, not the calling context. Applies to both multi-arity and single-arity fn* forms.
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SCI load order: macros → protocols → types → unrestrict → vars → lang → utils → namespaces → core. Utils must load after lang (needs lang/->Namespace, vars/unqualify-symbol). Namespaces needs utils (for clojure-core-ns, dynamic-var, unqualify-symbol). Core needs namespaces (for *1, *2, *3, *e, resolve).