Structural inference (2a) covers cyclic classes; this adds the DEMAND half for the acyclic-but-aliased case, so @gc is now redundant everywhere. - owner.ml: a `promote` sink on ctx. In collect mode, a class value that would raise WO-E304 (escape) records its class instead of erroring — because a class that MUST escape cannot be owned (second-class borrows can't be stored or returned), so it must be traced. `class_of_ty` extracts the class from the escaping local's type. analyze/analyze_fn take ?promote. - main.ml typecheck_all: after structural injection, a fixpoint runs ownership in collect mode over every file, unioning promotions into syms.traced (and every module table), before owner/emit see it. Terminates (promotions only grow, bounded by class count). - gcinfer.render_final: --dump-gc now reads the authoritative is_gc_class (structural + demand + the remaining @gc bridge), with the reason. Effect: a class that escapes is inferred `gc` with no annotation — e.g. `Cache` (rc.wo sans @gc) shows `gc (alias escape (demand))`; `Box` returned out of `leak` is promoted and the program is valid. No false positives: employee's Department/Employee stay owned; the 566 goldens + 14 test_diag unchanged. Corpus: compile-fail/borrow-escape-return reclassified to run/ (prints 1) — returning a borrowed class is now legal under demand promotion; the fixture encoded pre-7b behavior. Verified: woc-test 566/0 + test_diag 14/0; oop-e2e 79/0; employee 8/0; log-watcher 7/0. NOT in this slice: removing the `@gc` KEYWORD (parser rejection + rewriting the RC/@gc golden + test_diag assertions + moving the inference injection into the library so unit tests see it) — coupled to Phase 3, which deletes the RC machinery those tests cover. The ring still needs Phase 3 to RUN (nullable `?Node` gcref path). Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> |
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| .. | ||
| examples | ||
| plan | ||
| stories/language-runtime-database | ||
| superpowers | ||
| 00-code-review.md | ||
| 00-principles.md | ||
| 00-status.md | ||
| 01-problem.md | ||
| 08-project-structure.md | ||