Root cause: toString/stringify/str were being rewritten to Global/Method calls with class inference, causing Main.toString/0 to be called for primitives. Fix (Box-First + Legacy Deletion): 1. ✅ MIR Builder - toString normalization (special.rs) - ALWAYS emit BoxCall with method_id=0 for toString/stringify/str - Do NOT rewrite to Global(Class.str/0) or Method calls - DELETED 70+ lines of complex class inference logic - Primitive guard with method name filter (known.rs) 2. ✅ JSON Serializer - method_id output (mir_json_emit.rs) - Include method_id field in BoxCall JSON for LLVM 3. ✅ LLVM Backend - universal slot #0 support - Extract method_id from JSON (instruction_lower.py) - Box primitives via nyash.box.from_i64 (boxcall.py) - Invoke toString via plugin system with method_id=0 - ⚠️ TODO: Add nyash.integer.tostring_h to kernel Test Results: ✅ VM: local x = 1; print(x.toString()) → "1" (PASS) ✅ VM: array_length test (boxed Integer) → PASS ⚠️ LLVM: Compiles successfully, needs kernel function SSOT: slot_registry - toString is ALWAYS universal slot #0 Legacy Deleted: - special.rs: Complex class inference rewrite (~70 lines) - special.rs: Unique suffix fallback for toString - special.rs: Main box special handling Files changed: - src/mir/builder/rewrite/special.rs (try_early_str_like_to_dst) - src/mir/builder/rewrite/known.rs (primitive guards x4) - src/runner/mir_json_emit.rs (method_id serialization x2) - src/llvm_py/builders/instruction_lower.py (method_id extraction) - src/llvm_py/instructions/boxcall.py (slot #0 handler) - docs/reference/language/quick-reference.md (toString SSOT) 🎊 Generated with Claude Code Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Phase ドキュメント
このフォルダは、実装フェーズ(Phase 131, Phase 33 等)ごとの詳細記録を保管します。
現在の Phase
- Phase 139(DONE): post-if
post_kの return lowering をReturnValueLowererBoxに統一(出口 SSOT 完成) - Phase 140(DONE):
NormalizedExprLowererBox初版(pure expression のみ) - Phase 141 P0(DONE): impure 拡張点(contract)を SSOT 化(Call/MethodCall はまだ out-of-scope)
- Phase 141 P1(DONE): “既知 intrinsic だけ” を許可して段階投入(length0)
- Phase 141 P1.5(DONE): known intrinsic registry + available_inputs 3-source merge + diagnostics
- Phase 141 P2+(planned): Call/MethodCall 対応(effects + typing の段階投入)
- Phase 142-loopstmt P0(DONE): 正規化単位を statement(loop 1個)へ寄せる(パターン爆発を止める)
- Phase 142-loopstmt P1(DONE): LLVM EXE smoke(同 fixture)を追加
- Phase 143-loopvocab(planned): StepTree の語彙拡張(loop 内 if/break/continue を「語彙追加」で吸収)
- Phase 91–92: Selfhost depth‑2 coverage(P5b escape recognition → lowering)
- Phase 94–100: P5b escape E2E / Trim policy / pinned + accumulator(VM/LLVM EXE parity)
- Phase 102: real-app read_quoted loop regression(VM + LLVM EXE)
- Phase 103: if-only regression baseline(VM + LLVM EXE / plan)
- Phase 113: if-only partial assign parity(片側代入の保持 merge)
- Phase 107–109: real-app depth-scan / policy router SSOT / error hint SSOT
- Phase 110–112: ControlTree / StepTree(構造SSOT, dev-only)※設計SSOTは
../design/control-tree.md
Phase フォルダ構成(推奨)
phases/phase-131/
├── README.md (Phase 全体概要)
├── 131-03-llvm-lowering-inventory.md (LLVM 部分のテスト・検証)
├── 131-11-case-c-summary.md (Case C 実装サマリー)
└── phase131-11-case-c-root-cause-analysis.md (根本原因分析)
参照方法
- 現在の Phase を知りたい → ../10-Now.md
- 該当 Phase を詳しく知りたい → フォルダを開く
- 設計背景を知りたい → ../design/
- 調査ログを見たい → ../investigations/
Phase 命名規則
- ファイル名:
phase-<N>-<title>/(例:phase-131/) - 文書名:
<N>-<NN>-<topic>.md(例:131-11-case-c-summary.md)- Phase 番号で自然にソート可能
- 同一 Phase 内で段階的に追跡可能
作成ルール(SSOT)
詳しくは ../DOCS_LAYOUT.md を参照。
- ✅ 置き場所:
phases/phase-<N>/配下のみ - ✅ 内容: Phase の実装記録・進捗・チェックリスト・検証結果
- ❌ 避けるべき: 複数 Phase で参照される設計・アーキテクチャ(→ design/ へ)
最終更新: 2025-12-19