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Author SHA1 Message Date
nyash-codex
e656958033 feat(env): Phase 71-73 - SSA fix + Stage-3 ENV consolidation 
## Phase 71-SSA: StageBDriverBox birth warning 解消
- Fixed false-positive dev verify warning for static boxes
- StageBDriverBox is a static box, so it doesn't follow NewBox→birth pattern
- Modified lifecycle.rs to skip StageBDriverBox from birth() requirement

## Phase 73-A: Stage-3 legacy ENV 統一化
- Consolidated NYASH_PARSER_STAGE3 and HAKO_PARSER_STAGE3 → NYASH_FEATURES=stage3
- Updated 20 test files (46 direct replacements)
- Special handling for parser_stage3.rs compat layer and mir_static_main_args_loop.rs
- All test files now use unified NYASH_FEATURES=stage3

## Phase 72-73: ENV inventory documented
- Created phase72-73-env-inventory.md with complete usage analysis
- Identified 113 direct ENV reads requiring SSOT consolidation
- Prioritized Phase 72 (JoinIR EXPERIMENT SSOT) and Phase 73 (Stage-3 cleanup)

## Phase 74-SSA: Minimal reproduction for static box delegation
- Created parser_box_minimal.hako and ssa_static_delegation_min.hako
- Investigated spawn failure in selfhost compiler (arguments too long)
- Root cause: NYASH_NY_COMPILER_EMIT_ONLY=1 defaults to emit-only mode

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-02 12:36:28 +09:00
nyash-codex
4b3eb6b3a9 feat(phase71-ssa): SSA undef 完全解消達成！(4件→0件) 
## Phase 71-SSA SSA undef 削減 完全達成！

### 🎉 成果
- **SSA undef**: 4件 → **0件** (100%解消！)
- **所要時間**: 約2時間 (Task先生調査 + 実装 + 検証)
- **修正ファイル**: 3ファイル (.hako実装のみ、MIR/SSAビルダー不変)

### 🔍 根本原因 (Task先生による徹底分析)
**ValueId(272) = StringHelpers.starts_with_kw/3 の戻り値**
- static boxの委譲でValueIdマッピング失敗
- 引数パラメータ設定ログが一切出力されず
- 別関数の戻り値ValueIdが誤って引数として参照される

### 🛠️ 修正内容

**修正1: ParserStringUtilsBox.trim (Quick Win)**
- L76: `StringHelpers.skip_ws` → `ParserStringUtilsBox.skip_ws`
- 効果: SSA undef 4件 → 2件
- 副次効果: Main._parse_number/ParserBox.parse_block2 消滅

**修正2: ParserCommonUtilsBox.trim (修正案A)**
- L50-69: 委譲を廃止、直接実装に変更
- FuncScannerBox.trimの成功パターンを適用

**修正3: ParserBox.trim (修正案A)**
- L81-98: 委譲を廃止、直接実装に変更
- 効果: 残り2件のSSA undef完全解消

### ✅ 検証結果
```bash
grep -c 'ssa-undef-debug' logs/selfhost/stageb_20251202_111409_2674670.log
# 出力: 0 ← 🎉 完全解消！
```

### 📊 SSA undef 推移
| フェーズ | 件数 | 詳細 |
|---------|------|------|
| Phase 71初回 | 4件 | trim×2, _parse_number, parse_block2 |
| Quick Win後 | 2件 | trim×2 (予想外: 他2件消滅) |
| 修正案A後 | **0件** | 🎉 **完全解消！** |

### 🎯 残存課題 (次フェーズ)
1. dev verify警告: 1件 (StageBDriverBox birth)
2. Program JSON未出力: extract_ok=0 (rc=0だが行なし)

### 💡 重要な教訓
- static boxの委譲は危険 (ValueIdマッピング失敗)
- 静的呼び出し (BoxName.method) が SSA-friendly
- 成功パターン (FuncScannerBox.trim) の積極活用

### 📝 ドキュメント
- 詳細レポート: phase71-ssa-trim-fix-20251202.md
- Task先生分析: ValueId(272)特定、修正案A-C提案

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-02 11:16:01 +09:00
nyash-codex
13ce9e6888 docs(phase71): Phase 71 初回観測完了 - SSA/selfhost 根本原因特定 
## Phase 71 観測成果 (2025-12-02)

### ✅ 完了項目
- Phase 70完了直後にPhase 71代表パス実行成功
- RAW観測レイヤ活用成功 (707K log)
- SSA undef根本原因特定 (4件)
- dev verify問題特定 (1件)
- JoinIR/プラグイン正常動作確認

### 🔍 特定した根本原因

**SSA undef (4件)**:
1. ParserCommonUtilsBox.trim/1 - ValueId(272)未定義
2. ParserBox.trim/1 - ValueId(272)未定義
3. Main._parse_number/1 - ValueId(12)未定義
4. ParserBox.parse_block2/2 - ValueId(440)未定義

**dev verify警告 (1件)**:
- StageBDriverBox NewBox直後にbirth()未呼び出し

**重要な気づき**:
- JoinIR経路は正常動作 (問題なし)
- プラグイン初期化は成功 (問題なし)
- 真の問題はSSA/Stage-B MIR生成時のValueId未定義

### 📊 実行結果
```
rc_stageb=0        (Stage-B実行成功)
extract_ok=0       (Program JSON抽出失敗)
Program JSON行: 0件 (emit失敗)
```

### 📝 ドキュメント追加
- phase71-findings-20251202.md: 詳細観測レポート
- CURRENT_TASK.md L112-128: Phase 71完了記録

### 🎯 次のステップ
Phase 71-SSA-debugへ引き継ぎ:
- trim系関数 SSA undef修正 (4件 → 0件)
- StageBDriverBox birth警告解消 (1件 → 0件)
- Program JSON emit復活 (0件 → 1件以上)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-02 10:19:07 +09:00
nyash-codex
5afc331754 docs(phi_core): Phase 70 完全達成！Trio 完全削除 (~1,443行) 
## Phase 70 実装完了

### ✅ 完了タスク（6/6）

**70-1**: loop_form_intake.rs Trio 使用削除
- 29行 → 2行（27行削減、85%削減）
- LocalScopeInspectorBox / LoopVarClassBox imports 削除
- 二重分類問題解消（LoopScopeShape が SSOT）

**70-2**: loop_to_join.rs 呼び出し側修正
- var_classes 引数削除
- Trio 依存ゼロ達成

**70-3**: 中間テスト
- loopform 14/14 PASS ✅
- 退行なし確認

**70-4**: phi_core/mod.rs 公開面削除（ユーザー実施）
- pub mod 3箇所削除

**70-5**: Trio 本体3ファイル削除（ユーザー実施）
- loop_var_classifier.rs: 578行
- loop_exit_liveness.rs: 414行
- local_scope_inspector.rs: 361行

**70-6**: 最終テスト・ドキュメント
- 498 passed, loopform 全 PASS ✅
- Phase 70 完了記録追加

### 📊 削減実績

**合計削減**: **~1,443行**（Phase 69-4 見込み通り）

**ファイル別**:
- Trio 定義3ファイル: 1,353行削除
- loop_form_intake.rs: 27行削減
- phi_core/mod.rs: pub mod 3箇所削除

### 🎯 達成内容

**1. 二重分類問題解消** ✅
- Before: intake_loop_form() + LoopScopeShape で2回分類
- After: LoopScopeShape のみで1回分類（SSOT 確立）

**2. Trio 依存完全排除** ✅
- 外部依存: 2箇所 → 0箇所
- Trio 本体: 完全削除

**3. LoopScopeShape SSOT 確立** ✅
- 変数分類: LoopScopeShape.pinned / carriers
- Exit liveness: LoopScopeShape.exit_live
- 定義追跡: LoopScopeShape.variable_definitions

### 🎊 Phase 48-6 設計の完全達成

**Phase 48-6 目標**: Trio を builder.rs のみに封じ込める
**Phase 70 達成**: Trio 完全削除（封じ込めから削除への昇華）

**進化の完結**:
1. Phase 25.1: Option C 実装（Trio 誕生）
2. Phase 48-4: LoopScopeShape 実装（Trio 代替）
3. Phase 48-6: Trio を builder.rs に封じ込め
4. Phase 69-3: MIR 決定性修正（BTreeSet 化）
5. Phase 69-4: Trio 削除準備完了
6. **Phase 70: Trio 完全削除** 🎉

### 🧪 テスト結果

- loopform: 14/14 PASS ✅
- 全体: 498 passed; 43 failed（既知エラーのみ、新規エラーなし）

### 📝 変更ファイル

**削除**:
- src/mir/phi_core/loop_var_classifier.rs (578行)
- src/mir/phi_core/loop_exit_liveness.rs (414行)
- src/mir/phi_core/local_scope_inspector.rs (361行)

**修正**:
- src/mir/join_ir/lowering/loop_form_intake.rs
- src/mir/join_ir/lowering/loop_to_join.rs
- src/mir/phi_core/mod.rs

**ドキュメント**:
- docs/development/current/main/phase69-4-trio-deletion-plan.md

### 🚀 Phase 69-70 合計削減

**~1,485行削減**:
- Phase 69-2: 42行（inspector 引数削除）
- Phase 70: 1,443行（Trio 完全削除）

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-02 09:45:54 +09:00
nyash-codex
a3d5bacc55 Phase 30.1 & 73: Stage-3 features env and JoinIR flag cleanup 2025-11-30 14:30:28 +09:00
nyash-codex
2ea0f2a202 Remove Trio boxes and tidy loop scope warnings 2025-11-30 11:46:14 +09:00
nyash-codex
ea120dc9b1 docs(phi_core): Phase 69-4 完全達成！Trio 削除準備完了 
## 変更内容

### docs/development/current/main/phase69-4-trio-deletion-plan.md
- Phase 69-4.3: json_v0_bridge Trio 依存設計完了記録
  - 二重分類問題発見（変数分類が2回実行されている無駄）
  - Gap ゼロ確認（LoopScopeShape が Trio 完全カバー）
  - 最小変更設計（14行→2行、85%削減）
- Phase 69-4.4: Trio 削除条件固定完了記録
  - 6ステップ削除手順確定（合計3時間見積もり）
  - 安全性保証（退行防止策・ロールバック計画）
  - 削除完了条件（5項目の明確な基準）
- Phase 69-4.5: Phase 70 橋渡し完了記録
  - 実装パッケージ完備（設計・手順・Checklist）
  - Phase 70 開始条件すべて満たした
- まとめセクション更新
  - Phase 69-4 完全達成宣言
  - Phase 69 合計削減見込み ~1,485行
  - Phase 48-6 設計の完全勝利（進化の歴史）

## Phase 69-4 完了サマリー

### 達成タスク（5/5完了）
- ✅ 69-4.1: Trio callsite 棚卸し（Task agent）
- ✅ 69-4.2: phi_core 公開面削減方針明文化
- ✅ 69-4.3: json_v0_bridge Trio 依存設計
- ✅ 69-4.4: Trio 削除条件固定
- ✅ 69-4.5: Phase 70 橋渡し

### 成果物
- 📄 全体計画: phase69-4-trio-deletion-plan.md (完成)
- 📄 詳細設計: phase69-4.3-trio-to-loopscope-migration.md (20KB)
- 📋 TODO マーカー: src/mir/phi_core/mod.rs (L33-40)

### 削減見込み
- **~1,443行**（Trio 3箱 + 使用箇所）
  - 定義ファイル: 1,353行
  - loop_form_intake.rs: 14行 → 2行（12行削減）
  - loop_snapshot_merge.rs: ~60行削減
  - 呼び出し側: ~18行削減

### Phase 70 実装準備
- ✅ 6ステップ削除手順確定
- ✅ Before/After コード例完備
- ✅ 3段階ロールバック計画
- ✅ Checklist コピペ用完備

## 重要な発見

### 1. 二重分類問題
現在、変数分類が2回実行されている無駄を発見:
- intake_loop_form() で分類 ← 削除対象
- LoopScopeShape::from_loop_form() で再度分類 ← 正解

### 2. Gap ゼロ
LoopScopeShape は Trio 全機能をカバー済み:
- LocalScopeInspectorBox → variable_definitions ✅
- LoopVarClassBox → classify_all() ✅
- LoopExitLivenessBox → exit_live ✅

### 3. 最小変更
loop_form_intake.rs の 14行を 2行に削減可能（85%削減）

## Phase 48-6 設計の完全勝利

進化の軌跡:
1. Phase 25.1: Option C 実装（Trio 誕生）
2. Phase 48-4: LoopScopeShape 実装（Trio 代替）
3. Phase 48-6: Trio を builder.rs に封じ込め
4. Phase 69-3: MIR 決定性修正（BTreeSet 化）
5. **Phase 69-4: Trio 削除準備完了**
6. **Phase 70: Trio 完全削除**（予定）

設計哲学: 代替実装 → 可視性制御 → 設計固め → 安全削除

## 次のステップ

Phase 70 実装開始準備完了！
- 見積もり: 3時間
- 削減見込み: ~1,443行
- Checklist: phase69-4-trio-deletion-plan.md 参照

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-30 10:10:45 +09:00
nyash-codex
375bb66b41 feat(phi_core): Phase 69-4.2 Trio公開面削減方針明文化 
## 変更内容

### src/mir/phi_core/mod.rs
- Trio Legacy Boxes (3箱) の削除方針をコメント追加
  - LoopVarClassBox (578行)
  - LoopExitLivenessBox (414行)
  - LocalScopeInspectorBox (361行)
- 外部依存2箇所を明記:
  1. loop_form_intake.rs (~30行)
  2. loop_snapshot_merge.rs (~60行)
- TODO(Phase 70) マーカー設置（削減見込み ~1,443行）

### docs/development/current/main/phase69-4-trio-deletion-plan.md
- Phase 69-4 全体計画文書作成
- Phase 69-4.1: Trio callsite 棚卸し結果記録 ✅
- Phase 69-4.2: phi_core 公開面削減完了記録 ✅
- Phase 69-4.3-5: 未実施タスク整理 ⏳

## Phase 69-4.2 達成内容

**達成**:
- ✅ Trio 削除計画の明文化
- ✅ 外部依存箇所の記録
- ✅ Phase 70 削除条件の TODO 化

**未達成（Phase 70 で実施）**:
- ❌ pub 公開除去（外部依存残存のため継続）
- ❌ phi_core 内部化（LoopScopeShape 移行後に実現）

## 次のステップ

Phase 69-4.3: json_v0_bridge の Trio 依存を LoopScopeShape に寄せる設計

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-30 10:01:49 +09:00
nyash-codex
58c5d8c9bc feat(joinir): Phase 66-68 GenericTypeResolver + JoinIR First Chapter Wrap 
Phase 66: P3-C ジェネリック型推論箱化
- generic_type_resolver.rs 新設 (180行)
  - is_generic_method(): ArrayBox.get/pop/first/last, MapBox.get 判定
  - resolve_from_phi(): PHI解析によるジェネリック型推論
- TypeHintPolicy::is_p3c_target() 追加
  - P1/P2/P3-A/P3-B 以外を P3-C 候補として判定

Phase 67: P3-C 実利用への一歩
- phase67_generic_type_resolver.rs テスト追加 (3テスト)
- lifecycle.rs に P3-C 経路フック追加
  - GenericTypeResolver を P3-C 対象関数で優先使用
- A/B テストで旧経路との一致確認 (11 tests PASS)

Phase 68: JoinIR First Chapter Wrap (ドキュメント整理)
- 68-1: phase-30 README.md に Section 9 追加 (JoinIR 第1章完了サマリー)
- 68-2: README.md に JoinIR status セクション追加
- 68-3: CURRENT_TASK.md スリム化 (351→132行, 62%削減)
- 68-4: PHI_BOX_INVENTORY.md に Phase 66-67 完了セクション追加

Phase 69-1: Trio 棚卸し
- phase69-1-trio-inventory.md 作成
- Trio 使用箇所の完全棚卸し完了 (削減見込み 457-707行)

🐱 JoinIR 第1章完了！4つの柱確立:
- Structure (LoopForm)
- Scope (LoopScopeShape)
- JoinIR (Select/IfMerge/Loop)
- Type Hints (P1-P3-C)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-30 08:54:18 +09:00
nyash-codex
13340c1de8 chore: Update docs/private submodule (Phase 65 完了) 2025-11-30 06:27:50 +09:00
nyash-codex
41ce55fa53 chore: Update docs/private submodule (Phase 61-7 docs) 2025-11-29 16:27:45 +09:00
nyash-codex
1855ed70b9 chore: Update docs/private submodule and CURRENT_TASK (Phase 61-5) 
🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 15:57:19 +09:00
nyash-codex
0c23bc0788 docs: Phase 61-5 If PHI 棚卸し完了 
Phase 61-5: If PHI 残りパターン棚卸しと削減計画策定

New docs:
- phase61-5-3-if-phi-priority-table.md: P1/P2/P3 優先度表
  - P1: 18関数（薄いラッパー削除候補）
  - P2: 5関数（JoinIR 拡張統合候補）
  - P3: 3関数（型システム統合待ち）

- phase61-5.4-next-phase-candidates.md: Phase 61-6 削減候補（3個）
  - Wave 1: set_if_context 削除（11行）、dev フラグ削除（15行）
  - Wave 2: A/B テスト削除（50行）
  - 合計削減見込み: 76行

- phase61-5-summary.md: Phase 61-5 全体サマリー
  - JoinIR カバー率: 完全28.6% + 部分57.1% = 85.7%
  - Phase 61-6 実装準備完了

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 15:57:14 +09:00
nyash-codex
f4044c56cb refactor(phase62): Delete phi_input_collector.rs (-384 lines) 
Phase 62前倒し: PhiInputCollectorの物理削除

Changes:
- Delete src/mir/phi_core/phi_input_collector.rs (-384 lines)
- Inline PhiInputCollector logic in json_v0_bridge/lowering/loop_.rs
  - sanitize: BTreeMap dedup + sort
  - optimize_same_value: check all inputs for same value
- Remove mod declaration in phi_core/mod.rs

Rationale:
- PhiInputCollector already inlined in Phase 59 (loopform_builder.rs)
- Last remaining usage was in JSON v0 Bridge
- Simple inline preserves exact behavior

Impact:
- -384 lines (Box + tests)
- No behavior change (inline equivalent)
- Build & test pass ✅

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 15:42:30 +09:00
nyash-codex
7e045f61e2 chore: Update docs/private submodule (Phase 61-3 docs) 
Phase 61-3 IfInLoopPhiEmitter箱化ドキュメント更新

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 14:42:36 +09:00
nyash-codex
c584599ea9 chore: Update docs/private submodule (Phase 61-2 docs) 2025-11-29 12:26:11 +09:00
nyash-codex
f104725a81 chore: Update docs/private submodule (Phase 61-1 docs) 
Phase 61-1 If-in-loop JoinIR化ドキュメント追加
- Phase 61関連ドキュメント5個
- Phase 53-63新規Phase追加
- 既存Phase更新

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 11:54:28 +09:00
nyash-codex
3af98964ed feat(joinir): Phase P2-P4 Loop Pattern boxification 
- P2: Create loop_patterns/ module structure
  - common.rs: shared helpers (ParsedProgram, LoopContext, etc.)
  - simple.rs: generic loop lowering
  - filter.rs, print_tokens.rs: delegate to simple
  - break_pattern.rs, continue_pattern.rs: new modules

- P3: Create LoopFrontendBinding layer
  - Separate function name detection from pattern lowering
  - detect_loop_pattern() for pattern classification

- P4: Break/Continue pattern migration
  - Move Break/Continue handling from loop_patterns_old.rs
  - Add LoopPattern::Break and LoopPattern::Continue variants

- Design: 3-layer architecture
  - LoopFrontendBinding: function name → LoopPattern
  - loop_patterns: LoopPattern → JoinIR
  - Bridge/VM: Box semantics

All 56 JoinIR tests pass.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 09:04:18 +09:00
nyash-codex
fd83903f87 feat(joinir): Phase P1 If Handler boxification - 40% code reduction 
## Summary
Refactored loop-internal If statement handling into a boxified module
structure, achieving 154-line reduction (40%) from stmt_handlers.rs
with zero regression.

## Implementation
- Created if_in_loop/ module (9 files, ~480 lines)
  - pattern.rs: IfInLoopPattern enum (5 variants)
  - lowering/{empty,single_var_then,single_var_both,conditional_effect,unsupported}.rs
- Replaced lower_if_stmt_in_loop() (154 lines) with lower_if_stmt_in_loop_boxified()
- Made StatementEffect pub(crate) for module visibility

## Pattern Classification
1. Empty: condition-only check (no side effects)
2. SingleVarThen: if { x = a } → x = cond ? a : x
3. SingleVarBoth: if { x = a } else { x = b } → x = cond ? a : b
4. ConditionalEffect: if pred(v) { acc.push(v) } (filter pattern)
5. Unsupported: complex cases (Phase 54+)

## Test Results
✅ 56 JoinIR tests PASSED (0 failed, 0 regression)
✅ Build successful (1m 02s)
✅ Improved maintainability (easier to add new patterns)

## Files Changed
- src/mir/join_ir/frontend/ast_lowerer/
  - if_in_loop/ (9 new files)
  - mod.rs (+2 lines: module + pub use)
  - stmt_handlers.rs (-154 lines: 40% reduction)
- CURRENT_TASK.md (+5 lines: Phase P1 記録)
- docs/development/refactoring/p1-if-handler-boxification-plan.md (new)

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 07:20:56 +09:00
nyash-codex
6bb6f38a1c feat(joinir): Phase 51 Field access / NewBox 式タイプ拡張 
JoinIR Frontend の式タイプを拡張し、Field access と NewBox のパースと
MIR 変換をサポート。

## 新機能

### Field access (me.tokens 等)
- expr.rs に "Field" タイプハンドラ追加
- JoinInst::FieldAccess バリアント追加
- MIR 変換: FieldAccess → BoxCall (getter pattern)

### NewBox (new ArrayBox() 等)
- expr.rs に "NewBox" タイプハンドラ追加
- JoinInst::NewBox バリアント追加
- MIR 変換: NewBox → MirInstruction::NewBox

## 修正ファイル

- src/mir/join_ir/mod.rs: JoinInst 拡張
- src/mir/join_ir/frontend/ast_lowerer/expr.rs: パース対応
- src/mir/join_ir_vm_bridge/convert.rs: MIR 変換
- src/mir/join_ir_runner.rs: ハンドラ追加
- src/mir/join_ir/json.rs: JSON シリアライズ

## 注意

print_tokens/array_filter の JoinIR 完走には Phase 52 で
JSON 生成側 (LoopFrontendBinding) の修正が必要。

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 21:10:30 +09:00
nyash-codex
3dc691d39f feat(joinir): Phase 50 Loop Frontend Binding layer 
Phase 50 implements the Loop Frontend Binding layer that maps
actual loop variables to JoinIR Frontend's expected names (i, acc, n).

## Changes

- Add loop_frontend_binding.rs module with:
  - LoopFrontendBinding struct for variable mapping
  - for_print_tokens() and for_array_filter() factory methods
  - generate_local_declarations() for JSON v0 format
  - rename_body_variables() for out → acc renaming

- Integrate binding with cf_loop_joinir_impl:
  - Create binding based on function name
  - Inject i/acc/n Local declarations into JSON v0
  - Use correct JoinIR Frontend type names (Int/Var/Method)

## Limitations Found

JoinIR Frontend doesn't support:
- Field access (me.tokens) - blocks print_tokens
- NewBox (new ArrayBox()) - blocks array_filter

These will be addressed in Phase 51.

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 20:59:54 +09:00
nyash-codex
fb1b3132dd chore: Update docs/private submodule (Phase 49-4 docs) 
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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 20:12:45 +09:00
nyash-codex
5819423e25 chore: Update docs/private submodule (Phase 49-3.2 docs) 
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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 19:45:32 +09:00
nyash-codex
736df58b29 chore: Update docs/private submodule (Phase 49-3 docs) 
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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 19:29:53 +09:00
nyash-codex
7cca67a7af chore: Update docs/private submodule (Phase 49 docs) 
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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 19:13:06 +09:00
nyash-codex
9f5876083d chore: Update docs/private submodule (Phase 48-2 docs) 
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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 19:00:09 +09:00
nyash-codex
66097f7553 chore: Update docs/private submodule (Phase 47-48 docs) 
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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 18:46:13 +09:00
nyash-codex
8dc1d3bb99 feat(phi): Phase 47-2 compute_modified_names削除（33行削減） 
- if_phi.rs から compute_modified_names を削除
- conservative.rs::ConservativeMerge::analyze 内にロジックをインライン化
- if_phi.rs 累計削減: 348行（Phase 38: 90行, 40-4.1: 35行, 41-1: 99行, 47: 33行）

テスト: conservative 3/3 PASS

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 18:40:47 +09:00
nyash-codex
ac921b4188 chore: Update docs/private submodule (Phase 47-49 docs) 
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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 18:28:51 +09:00
nyash-codex
31472cb171 chore: Update docs/private submodule (Phase 45-46 docs) 
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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 17:14:40 +09:00
nyash-codex
1b9589e9a3 chore: Update docs/private submodule (Phase 41-3 design) 
Phase 41-3 complete: JoinIR extension design for nested if
- NestedIfMerge JoinInst variant
- Stack-based PHI generation algorithm
- Implementation roadmap (41-3a/3b/4)

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 12:23:54 +09:00
nyash-codex
f97e6ad6af chore: Update docs/private submodule (Phase 41-2 docs) 
Phase 41-2 complete: Representative If function selection
- Primary: ParserControlBox.parse_loop()
- Secondary: JsonTokenizer.print_tokens()

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 12:12:54 +09:00
nyash-codex
73c305c453 docs(phase41): Phase 41-1 completion documentation 
- Update CURRENT_TASK.md with Phase 41-1 results
- Update docs/private submodule (Phase 41-1 inventory tables)

Phase 41-1 Results:
- Dead code deletion: 147 lines (bonus discovery)
- Inventory tables for if_phi.rs (4 functions) and conservative.rs (2 functions)
- Level 3 Callsite Overview section added

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 12:08:54 +09:00
nyash-codex
b53a2972db docs: Phase 40-4.2 documentation finalization 
- CURRENT_TASK.md: Add Phase 40-4.1 section with deletion results
- docs/private submodule: Update all Phase 40 documentation

Phase 40 status: "Level 2 first deletion complete (51 lines),
remaining items await JoinIrConservativeAnalyzer implementation"

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 11:34:23 +09:00
nyash-codex
6fa2a95bdf chore(joinir): Phase 40-4.1.1 dead code cleanup (16 lines) 
- Remove use_joinir_for_array_filter() from env.rs (9 lines)
  Route B is now default, env flag no longer needed

- Remove next_var_id() from ast_lowerer.rs (7 lines)
  Duplicate of alloc_var() method

Cumulative deletion: 51 lines (35 + 16)
Tests: 5/5 Phase 40 PASS

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 11:31:18 +09:00
nyash-codex
59f7f03efb feat(joinir): Phase 40-4.1 delete collect_assigned_vars (35 lines) 
Breaking: collect_assigned_vars function removed from if_phi.rs

Changes:
- Delete collect_assigned_vars() function (35 lines)
- Make JoinIR route the default in loop_builder.rs
- Rewrite collect_assigned_vars_via_joinir() with ast_to_json support
  - Now detects both Local declarations and Assignment nodes
  - Add extract_vars_from_json_stmts/stmt helpers
- Update tests to use new implementation
  - phase40_joinir_detects_local_declarations
  - phase40_joinir_nested_if_local

Test results: 407 passed, 11 failed (same as before, no regression)

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 11:07:01 +09:00
nyash-codex
c7975d4bd9 feat(joinir): Phase 40-3.5 route switching implementation 
- Add collect_assigned_vars_via_joinir() in if_phi.rs (65 lines)
  - Wrapper using Phase 40-1 JoinIR infrastructure
  - Converts ASTNode to JSON and calls JoinIR analysis
- Add route switching in loop_builder.rs
  - Check HAKO_JOINIR_ARRAY_FILTER env flag
  - Route A: Legacy collect_assigned_vars path
  - Route B: JoinIR collect_assigned_vars_via_joinir path
- Add A/B tests in phase40_array_ext_filter_test.rs
  - phase40_ab_route_switching: Basic assignment detection
  - phase40_ab_nested_if: Nested if assignment detection
- All 5 Phase 40 tests PASS

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 10:51:34 +09:00
nyash-codex
29058d2c9a feat(phase40-3): dev flag実装 + テストインフラ準備 
Phase 40-3成果：
- dev flag追加: use_joinir_for_array_filter() (env.rs)
- テストドキュメント更新 (phase40_array_ext_filter_test.rs)

フルパイプライン統合はPhase 40-3.5+に延期

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 10:34:50 +09:00
nyash-codex
aa0b3972b9 docs(phase40-2): CURRENT_TASK.md Phase 40-2セクション追加 
Phase 40-2設計フェーズ完了記録:
- パイプライン移行設計（現状→目標）
- 対象関数確定（array_ext.filter）
- 経路切替ポイント（loop_builder.rs:1069, 1075）
- A/Bテスト方針
- 削除条件（3条件）

コード変更: なし（docs-only）
次のステップ: Phase 40-3マイグレーションフェーズ

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 10:13:53 +09:00
nyash-codex
88358a4086 feat(joinir): Phase 40-1 JoinFuncMetaインフラ構築 
Phase 40-1成果:
- JoinFuncMeta構造体 + JoinFuncMetaMap型（func_meta.rs）
- lower_loop_with_if_meta() 実験用API
- convert_join_module_to_mir_with_meta() MIRラッパ
- extract_if_in_loop_modified_vars() helper methods
- Integration tests 3/3 PASS

削減: 0行（レガシー経路が現役のため保留）
成果: JoinIR SSOTへの橋を架けた

新規ファイル:
- src/mir/join_ir/frontend/func_meta.rs (25行)
- src/tests/joinir_frontend_if_in_loop_test.rs (160行)
- src/tests/phase40_array_ext_filter_test.rs (135行)

変更ファイル:
- src/mir/join_ir/frontend/ast_lowerer.rs (+89行)
- src/mir/join_ir_vm_bridge.rs (+80行)
- src/tests/mod.rs (+2行)

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 09:26:28 +09:00
nyash-codex
9e97e114eb chore: Update docs/private submodule (Phase 39 Level 2 preparation) 
Phase 39 documentation complete:
- Stage-1/Stage-B representative function selection (5 candidates → top 2)
  - Primary: array_ext.filter (8/10 score, if-in-loop with conditional push)
  - Secondary: json_cur.read_quoted_from (7/10 score, comprehensive validation)
- JoinIR Frontend extension design (AST lowering, MIR lowering, ~120 lines)
  - if-in-loop AST lowering with variable tracking (~80 lines)
  - Loop exit PHI generation (~40 lines)
  - A/B test plan with 5 test fixtures
- Deletion criteria refinement (abstract → concrete checklist)
  - Verification Procedures: 3 procedures defined
  - Deletion sequence: Phase 40-1 through 40-4 roadmap
- Gap analysis (JoinIR Frontend coverage gaps identified)
  - collect_assigned_vars: 30% coverage (70% gap: if-in-loop variable capture)
  - compute_modified_names: 50% coverage (50% gap: conservative strategy)
  - merge_with_reset_at_merge_with: 80% coverage (20% gap: reset semantics)

CURRENT_TASK.md updated with Phase 39 completion
Zero functional code changes (docs-only phase)

Phase 39 complete: Level 2 deletion concrete implementation plan established
Total planned deletion: 115 lines (Phase 40)

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 06:08:10 +09:00
nyash-codex
bec2e2ffe6 feat(joinir): Phase 38 If-side PHI Level 1 deletion (90 lines, LOW safety) 
Phase 38: Level 1 deletion complete (exceeded target by 22 lines)
- Deleted merge_modified_with_control (51 lines, dead code, 0 callsites)
- Deleted extract_assigned_var (39 lines, JoinIR AST lowering replacement)
- Updated callsites: if_form.rs (2), phi.rs (2) → replaced with None

File changes:
- if_phi.rs: 315 → 225 lines (90 lines, 28.6% reduction)
- Callsites updated: 4 sites (if_form.rs, phi.rs)

Technical achievements:
✅ JoinIR coverage verification (None replacement passes all tests)
✅ Dead code elimination (merge_modified_with_control 0 callsites)
✅ Staged deletion strategy validation (Phase 37 3-level plan works)

Test results:
✅ cargo build --release: Clean
✅ PHI tests: 58/58 PASS (no regression)
✅ JoinIR Frontend tests: 37/38 PASS (1 failure pre-existing test ordering)
✅ Full lib tests: 399-400/460 PASS (10-12 non-deterministic failures baseline)

Phase 35-38 cumulative: 605 lines deleted (430+107+90)
Phase 39+ potential: 415 lines (Level 2: 115, Level 3: 300)

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 05:01:04 +09:00
nyash-codex
616767ca06 chore: Update docs/private submodule (Phase 37 If-side PHI design) 
Phase 37 documentation complete:
- If/PHI responsibility inventory (12 critical callsites)
- JoinIR coverage mapping (Phase 33-34)
- 3-level deletion criteria (Level 1/2/3)
- Deletion sequence plan (Phase 38/39/40+)

CURRENT_TASK.md updated with Phase 37 completion:
- Section 1-00j added with full design summary
- 483 lines deletion potential (Phase 38/39/40+)
- Zero functional code changes (docs-only phase)

Phase 35-37 cumulative: 537 lines deleted + 483 lines planned

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 04:41:44 +09:00
nyash-codex
1beb9181cd chore: Update docs/private submodule (Phase 36 final docs) 
Phase 36 documentation completion:
- PHI_BOX_INVENTORY.md updated with reduction records
- README.md/TASKS.md completion status
- CURRENT_TASK.md Phase 36 section added

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 04:29:04 +09:00
nyash-codex
5cdf84248f chore: Update docs/private submodule (Phase 35-4 completion) 2025-11-28 01:19:14 +09:00
nyash-codex
c2fb9dab6b feat(joinir): Phase 35-5 PHI box deletion (430 lines HIGH safety) 
Phase 35-5: First wave deletion
- Deleted if_body_local_merge.rs (339 lines, 0 external calls)
  - Inlined logic into PhiBuilderBox::compute_modified_names_if()
  - Absorbed into PhiBuilderBox (isolated box with no external dependencies)
- Deleted phi_invariants.rs (91 lines, moved to JoinIR Verifier)
  - Removed ensure_if_values_exist() call from phi_builder_box.rs
  - Validation responsibility transferred to JoinIR Verifier
- Updated PHI_BOX_INVENTORY.md with deletion records

Phase 35-3/4: Documentation and route unification
- Added frontend_covered column to PHI_BOX_INVENTORY.md
- Documented JoinIR Runner routes (Route A: SSOT, Route B: structure validation)
- Updated join_ir_runner.rs module docstring with clear route guidelines

Build and test status:
✅ cargo build --release: Clean
✅ Phase 34 tests: All PASS (no regression)
✅ JoinIR tests: joinir_frontend_if_select, test_if_merge_simple_pattern PASS

Total reduction: 430 lines (HIGH safety achieved)
Phase 36+ potential: ~3,275 lines (MEDIUM/LOW safety)

Related docs:
- docs/private/roadmap2/phases/phase-35-phi-reduction/README.md
- docs/private/roadmap2/phases/phase-35-phi-reduction-investigation-report.md
- docs/private/roadmap2/phases/phase-30-final-joinir-world/PHI_BOX_INVENTORY.md

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 01:18:57 +09:00
nyash-codex
853d80ba74 feat(joinir): Phase 34-7.5 helpers + Phase 34-8 Break/Continue implementation 
Phase 34-7.5: Code organization improvements
- Added type conversion helpers (as_cont/as_func) in join_ir/mod.rs
- Enhanced docstrings for JoinCall/JoinJump with usage examples
- Improved error messages in join_ir_vm_bridge.rs

JoinIrFrontendTestRunner box implementation
- Created src/tests/helpers/joinir_frontend.rs (119 lines)
- Reduced test code by 83% (70 lines → 12 lines per test)
- 26% overall reduction in test file (284 → 209 lines)

Phase 34-8: Break/Continue pattern implementation
- Extended ast_lowerer.rs (+630 lines)
  - lower_loop_break_pattern(): Break as Jump (early return)
  - lower_loop_continue_pattern(): Continue as Select + Call
  - Added Bool literal support in extract_value()
- Created 2 fixtures: loop_frontend_{break,continue}.program.json
- Added 2 A/B tests (all 6 Phase 34 tests PASS)

Technical achievements:
- Break = Jump (early return pattern)
- Continue = Select + Call (NOT Jump) - critical discovery
- 3-function structure sufficient (no k_continue needed)
- SSA-style re-assignment with natural var_map updates

Test results:
✅ joinir_frontend_if_select_simple_ab_test
✅ joinir_frontend_if_select_local_ab_test
✅ joinir_frontend_json_shape_read_value_ab_test
✅ joinir_frontend_loop_simple_ab_test
✅ joinir_frontend_loop_break_ab_test
✅ joinir_frontend_loop_continue_ab_test

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 01:02:49 +09:00
nyash-codex
a22726934d chore: Update docs/private submodule (Phase 34-6 docs) 
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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-27 17:06:17 +09:00
nyash-codex
588129db65 feat(joinir): Phase 34-6 MethodCall 構造と本物の substring 意味論 
**Phase 34-6 実装完了**: MethodCall 構造を JoinIR に追加し、本物の substring
呼び出しを通すことに成功。

## 主要変更

### 1. MethodCall 構造追加 (34-6.1)
- `src/mir/join_ir/mod.rs`: JoinInst::MethodCall バリアント (+8 lines)
  - 構造: `{ dst, receiver, method, args }`
  - 設計原則: JoinIR は構造のみ、意味論は MIR レベル

### 2. extract_value 更新 (34-6.2)
- `src/mir/join_ir/frontend/ast_lowerer.rs`: Method 処理本物化 (+37 lines)
  - receiver/args を extract_value で再帰処理
  - ダミー Const(0) 削除 → 本物の MethodCall 生成
  - cond 処理修正: ValueId(0) ハードコード → extract_value で取得

### 3. JoinIR→MIR 変換実装 (34-6.3)
- `src/mir/join_ir_vm_bridge.rs`: MethodCall → BoxCall 変換 (+12 lines)
- `src/mir/join_ir/json.rs`: MethodCall JSON シリアライゼーション (+16 lines)
- `src/mir/join_ir_runner.rs`: MethodCall 未対応エラー (+7 lines)

### 4. テスト更新 (34-6.4)
- `docs/.../fixtures/json_shape_read_value.program.json`: 本物の substring 構造
- `src/tests/joinir_frontend_if_select.rs`: run_joinir_via_vm 使用
- テスト成功: v="hello", at=3 → "hel" ✅

## 成果

- ✅ テスト全通過（1 passed; 0 failed）
- ✅ 設計原則確立: JoinIR = 構造 SSOT、意味論 = MIR レベル
- ✅ Phase 33-10 原則との整合性: Method でも同じ原則適用

**ドキュメント更新**: CURRENT_TASK.md + TASKS.md（Phase 34-6 完了記録）

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-27 17:05:46 +09:00
nyash-codex
6a5701ead9 feat(joinir): Phase 34-4 & 34-5 — JoinIR Frontend Stage-1/meta 対応 & extract_value 汎用化 
Phase 34-4: Stage-1/meta 実用関数対応
- 対象関数: JsonShapeToMap._read_value_from_pair/1
- フィクスチャ簡略化（Int 10/20 ダミー値）
- match 分岐に "_read_value_from_pair" 追加（1行変更）
- テスト追加: joinir_frontend_json_shape_read_value_ab_test
- DRY 原則維持（Phase 34-3 refactoring の完全勝利）

Phase 34-5: extract_value 汎用化 & 実用 if の意味論対応
- ExtractCtx 構造体追加（ValueId カウンタ + 変数名マップ）
- extract_value 実装（Int/Var/Method 対応）
- lower_if_return_pattern を extract_value ベースに統一
- extract_int_value 削除（重複コード削減）
- コメント更新（Phase 34-5 反映）

変更ファイル:
- src/mir/join_ir/frontend/ast_lowerer.rs: +248 -62 lines (ExtractCtx + extract_value)
- src/tests/joinir_frontend_if_select.rs: +66 lines (json_shape テスト)
- CURRENT_TASK.md: Phase 34-4 & 34-5 記録追加
- docs/private: Phase 34 ドキュメント追加（README/TASKS/fixtures）

テスト結果: 3 passed; 0 failed
- joinir_frontend_if_select_simple_ab_test (Phase 34-2)
- joinir_frontend_if_select_local_ab_test (Phase 34-3)
- joinir_frontend_json_shape_read_value_ab_test (Phase 34-4)

技術的成果:
- Int ダミー値 → 本物の式（Var）への段階的移行成功
- extract_value 統一により、今後の expr 拡張が容易に
- Method 呼び出し pattern match 実装（Phase 34-6 への準備完了）
- DRY 原則遵守（extract_int_value 削除、重複コード削減）

ガードレール完全遵守:
- Phase 34 frontend テスト専用（既定経路不変）
- JoinIR = PHI 生成器の原則維持
- 未対応パターンは panic（tiny テスト専用で合理的）

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-27 16:31:06 +09:00