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smalltalk: reflection accessors (Object>>class, methodDict, selectors)
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giles
2026-04-25 08:18:32 +00:00
parent ae94a24de5
commit 9954a234ae
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plans/smalltalk-on-sx.md
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@@ -79,7 +79,7 @@ Core mapping:
- [x] `lib/smalltalk/conformance.sh` + runner, `scoreboard.json` + `scoreboard.md`. The runner runs `bash lib/smalltalk/test.sh -v` once, parses per-file counts, and emits both files. JSON has date / program names / corpus-test count / all-test pass/total / exit code. Markdown has a totals table, the program list, the verbatim per-file test counts block, and notes about JIT-deferred work. Both are checked into the tree as the latest baseline; the runner overwrites them.
### Phase 4 — reflection + MOP
- [ ] `Object>>class`, `class>>name`, `class>>superclass`, `class>>methodDict`, `class>>selectors`
- [x] `Object>>class`, `class>>name`, `class>>superclass`, `class>>methodDict`, `class>>selectors`. `class` is universal in `st-primitive-send` (returns `Metaclass` for class-refs, the receiver's class otherwise). Class-side dispatch gains `methodDict`/`classMethodDict` (raw dict), `selectors`/`classSelectors` (Array of symbols), `instanceVariableNames` (own), `allInstVarNames` (inherited + own). 26 tests in `lib/smalltalk/tests/reflection.sx`.
- [ ] `Object>>perform:` / `perform:with:` / `perform:withArguments:`
- [ ] `Object>>respondsTo:`, `Object>>isKindOf:`, `Object>>isMemberOf:`
- [ ] `Behavior>>compile:` — runtime method addition
@@ -108,6 +108,7 @@ Core mapping:
_Newest first. Agent appends on every commit._
- 2026-04-25: Phase 4 reflection accessors (`lib/smalltalk/tests/reflection.sx`, 26 tests). Universal `Object>>class`, plus `methodDict`/`selectors`/`instanceVariableNames`/`allInstVarNames`/`classMethodDict`/`classSelectors` on class-refs. 429/429 total.
- 2026-04-25: conformance.sh + scoreboard.{json,md} (`lib/smalltalk/conformance.sh`, `lib/smalltalk/scoreboard.json`, `lib/smalltalk/scoreboard.md`). Single-pass runner over `test.sh -v`; baseline at 5 programs / 39 corpus tests / 403 total. **Phase 3 complete.**
- 2026-04-25: classic-corpus #5 Life (`tests/programs/life.st`, 4 tests). Spec-interpreter Conway's Life with edge handling. Block + blinker + glider initial setup verified; larger step counts pending JIT (each spec-interpreter step is ~5-8s on a 5x5 grid). Added `{e1. e2. e3}` dynamic array literal to parser + evaluator. 403/403 total.
- 2026-04-25: classic-corpus #4 mandelbrot (`tests/programs/mandelbrot.st`, 7 tests). Escape-time iterator + grid counter. Discovered + fixed an immutable-list bug in `lit-array` eval — `map` produced an immutable list so `at:put:` raised; rebuilt via `append!`. Quicksort tests had been silently dropping ~7 cases due to that bug; now actually mutate. 399/399 total.