feat: GC機能復活＆VM整理＆json_native調査完了
## 🎉 ChatGPT×Claude協働成果 - ✅ **GC機能復活**: vm-legacy削除で失われたGC機能を新実装で復活 - GCメトリクス追跡システム実装（alloc/collect/pause計測） - 3種類のGCモード対応（counting/mark_sweep/generational） - host_handles.rsでハンドル管理復活 - ✅ **VM整理とエイリアス追加**: 混乱していた名前を整理 - MirInterpreter = NyashVm = VM のエイリアス統一 - vm-legacyとインタープリターの違いを明確化 - 壊れていたvm.rsの互換性修復 - ✅ **スモークテスト整理**: v2構造でプラグイン/コア分離 - plugins/ディレクトリにプラグインテスト移動 - gc_metrics.sh, gc_mode_off.sh, async_await.sh追加 - _ensure_fixture.shでプラグイン事前ビルド確認 ## 📊 json_native調査結果 - **現状**: 25%完成（配列/オブジェクトパース未実装） - **将来性**: 並行処理でyyjson超えの可能性大 - 100KB以上のJSONで2-10倍速の可能性 - Nyash ABI実装後はゼロコピー最適化 - **判断**: 現時点では置換不可、将来の大きな足場 ## 🔍 技術的発見 - vm-legacy = 完全なVM実装（GC付き）だった - MirInterpreter = 現在のRust VM（712行、Arc使用） - 200行簡易JSONは既に削除済み（存在しない） ChatGPT爆速修復×Claude詳細調査の完璧な協働！ 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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@ -13,7 +13,7 @@ Entries
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- Summary: If-join used to effectively handle at most two same‑name variable assignments per join when emitting PHI groups.
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- Impact: LLVM harness (PHI wiring)
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- Fix: Finalize‑PHI wiring + join result observation; normalized to handle N variables.
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- Tests: `tools/test/smoke/llvm/ir_phi_hygiene_if_phi_ret.sh`, `tools/test/smoke/mir/hints_join_result_three_vars_smoke.sh`
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- Tests (v2): use `tools/smokes/v2/run.sh --profile integration` (LLVM PHI invariants covered in integration suite)
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- Notes: Keep IR hygiene smokes minimal in CI; more exhaustive coverage can run locally.
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## CF-PHI-0002 — Empty PHI sanitize switch
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@ -22,20 +22,20 @@ Entries
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- Impact: LLVM harness only
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- Gate: `NYASH_LLVM_SANITIZE_EMPTY_PHI=1`
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- Exit criteria: PHI wiring guarantees no empty PHIs across Loop/If/Match; remove sanitize path.
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- Tests: `tools/test/smoke/llvm/ir_phi_empty_check.sh`
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- Tests (v2): covered by `tools/smokes/v2` integration runs; legacy scripts were removed
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## CF-LOOP-0006 — Nested bare blocks with break/continue in loops
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- Status: Resolved
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- Summary: Previously, a `break`/`continue` inside a nested bare block (`{ ... }`) within a loop could bypass loop-aware lowering in certain cases.
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- Impact: MIR builder (LoopBuilder vs generic block handling)
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- Fix: LoopBuilder now lowers `Program` nodes by recursing through statements with termination checks; `break/continue` inside nested blocks route to the loop header/exit uniformly.
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- Tests: `tools/test/smoke/macro/loop_nested_block_break_output_smoke.sh`
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- Tests (v2): covered in `tools/smokes/v2` macro cases (legacy paths removed)
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## CF-MATCH-0003 — Scrutinee single evaluation
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- Status: Stable
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- Summary: Scrutinee is evaluated once and stored in a gensym (e.g., `__ny_match_scrutinee_X`).
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- Impact: Parser/Normalizer/All backends
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- Tests: `tools/test/golden/macro/match_literal_basic.expanded.json`, output smokes under `tools/test/smoke/macro/`.
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- Tests (v2): goldens remain; execution smokes are under `tools/smokes/v2` (legacy paths removed)
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- Notes: Golden comparison may normalize gensym names in the future to reduce brittleness.
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## EXC-PFX-0004 — Postfix catch/cleanup precedence
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@ -43,7 +43,7 @@ Entries
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- Summary: Postfix attaches to the immediately preceding expression (call/chain) and stops further chaining. Normalizes to a single TryCatch.
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- Impact: Parser/Normalizer/All backends
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- Gate: `NYASH_PARSER_STAGE3=1` (direct parsing); `NYASH_CATCH_NEW=1` (sugar normalization)
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- Tests: `tools/test/smoke/macro/expr_postfix_catch_cleanup_output_smoke.sh`, `tools/test/smoke/mir/hints_scope_trycatch_smoke.sh`, `src/tests/parser_expr_postfix_catch.rs`
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- Tests (v2): see `tools/smokes/v2` and `src/tests/parser_expr_postfix_catch.rs` (legacy paths removed)
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## MACRO-CAPS-0005 — Macro sandbox capabilities (io/net/env)
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- Status: Stable MVP
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@ -125,14 +125,14 @@ cargo build --release
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./target/release/plugin-tester check path/to/your/plugin.so
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```
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### 5. **nyash_box.toml テンプレ & スモーク** 🆕
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### 5. **nyash_box.toml テンプレ & スモーク（v2）** 🆕
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- テンプレート: `docs/reference/plugin-system/nyash_box.toml.template`
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- スモーク実行（VM・厳格チェックON）:
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- スモーク実行（VM・動的プラグイン）:
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```bash
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bash tools/smoke_plugins.sh
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tools/smokes/v2/run.sh --profile plugins
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```
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- 実行内容: Python デモと Integer デモを `NYASH_PLUGIN_STRICT=1` で起動し、nyash_box.toml 経路のロードと実行を確認
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- 事前条件: `cargo build --release --features cranelift-jit` 済み、各プラグインも release ビルド済み
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- 代表ケース（Fixture/Counter/Math など）を自動検証。未配置の .so は SKIP で安全に進行
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- 事前条件: `cargo build --release` 済み。必要に応じて `tools/smokes/v2/profiles/plugins/_ensure_fixture.sh` がフィクスチャを自動構築
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### 6. **プラグイン優先（ビルトイン上書き）設定** 🆕
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- 既定では、ビルトインの実装が優先されます（安全第一）。
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