fb66851e06
- evaluator.janet: fix set! to handle (.-field obj) shorthand Previously only recognized (. obj -field) format - core.janet: rewrite core-defrecord to emit (deftype ...) instead of plain def with array-map constructor - core.janet: fix core-map? to recognize deftype table instances (and returns last truthy, not boolean true — wrap in if) - core.janet: fix core-count to skip :jolt/deftype key for records - core.janet: add ->TypeName arrow factory that calls TypeName. constructor via Clojure form emission - 11 new tests: deftype fields/mutation/instance?, defrecord construction/map-behavior/fields/factories, record equality - map->TypeName factory deferred (needs get/symbol resolution fix) - 317 tests pass, 0 failures
7 lines
1.2 KiB
Markdown
7 lines
1.2 KiB
Markdown
Bare tuples in Janet's `eval` are function calls: `(eval [1 2 3])` tries to call `1` as function. Always emit `['tuple 1 2 3]` or `(tuple 1 2 3)` in data-structure emitter. Similarly, `(eval (try body (sym handler)))` fails because `catch` is not a Janet special form — must be `(try body ([sym] handler))`. Discovered during Phase 5/6 compiler work.
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Duplicate function definitions in the same file cause hard-to-diagnose "unknown symbol" errors. In compiler.janet, emit-quote-str was defined twice (once before emit-ast dispatch, once before emit-expr section). The second definition compiled but the first was used by emit-ast dispatch — causing "unknown symbol raw-form->janet". Always grep for the fn name before adding a new definition.
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Janet break can't be used inside let blocks — break returns from the innermost loop, and in a let, there's no loop. Pattern: use (var found nil) + (while ... (if condition (do (set found val) (break)))) then check found after loop.
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core-binding macro: use array-map (plain struct) NOT hash-map/PHM for the binding frame. PHM's phm-get doesn't work with push-thread-bindings' var-get lookup. Symptom: "error: dynamic binding" with no useful message. Fix: emit (array-map [var sym] val ...) instead of (hash-map ...).
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