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Author SHA1 Message Date
nyash-codex
fa8a96a51b docs(joinir): Phase 187 LoopBuilder Physical Removal - Completion Documentation 
## Changes
- Added Phase 187 section to Phase 180 README documenting complete LoopBuilder deletion
- Documented all 4 tasks completion (187-1 through 187-4)
- Added architectural impact analysis before/after Phase 187
- Documented code deletion summary and archival strategy
- Explained NYASH_LEGACY_LOOPBUILDER variable status after deletion

## Key Achievements
- LoopBuilder module (8 files, ~1000+ lines) completely deleted
- IfInLoopPhiEmitter preserved in minimal new module
- JoinIR Frontend is now sole authoritative loop lowering system
- Explicit failures replace implicit fallbacks

## Architectural Impact
- Single authoritative path (JoinIR Frontend)
- No implicit fallbacks
- Future JoinIR expansion is only way forward
- Fail-Fast principle enforced at architecture level

## Related Phases
- Phase 185: Strict mode semantics unified
- Phase 186: Hard freeze with access control guard
- Phase 187: Physical module deletion (this change)

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-04 23:51:49 +09:00
nyash-codex
30f94c9550 feat(joinir): Phase 186 LoopBuilder Hard Freeze - Add access control guard 
Add environment variable check at LoopBuilder fallback point (control_flow.rs:60).
LoopBuilder is now only accessible when NYASH_LEGACY_LOOPBUILDER=1 is explicitly set.

Changes:
- control_flow.rs: Add env guard before LoopBuilder instantiation
- Default behavior: JoinIR-only (LoopBuilder disabled)
- Legacy mode: NYASH_LEGACY_LOOPBUILDER=1 enables fallback
- Error message: Clear hint about legacy mode opt-in

Testing:
- legacy OFF (NYASH_LEGACY_LOOPBUILDER=0): Error (frozen)
- legacy ON (NYASH_LEGACY_LOOPBUILDER=1): Success (allowed)

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-04 23:35:33 +09:00
nyash-codex
9d29718f03 fix(vm): Phase 173-B using-imported static box method calls 
Enable static box method calls for boxes imported via `using` statement.

Root cause: 3 interrelated issues
1. Cross-function ValueId: methodize created singleton with ValueId that
   can't be used across MIR function boundaries
2. Missing registration: using-imported static boxes weren't in
   static_box_decls (only AST-based boxes were registered)
3. Wrong dispatch: method.rs tried InstanceBox dispatch instead of
   MIR function table lookup for static boxes

Fixes:
- unified_emitter.rs: Use receiver=None for StaticCompiler boxes
- vm.rs: Auto-detect and register static boxes from MIR function names
- mod.rs: Add has_static_box_decl() helper
- method.rs: Add MIR function table lookup path for static boxes
- guard.rs: Trust methodize for StaticCompiler boxes without type info

Test: JsonParserBox.toString() via using import now works correctly

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-04 18:49:10 +09:00
nyash-codex
c70e76ff57 feat(parser): Phase 152-A - Grouped assignment expression (箱化モジュール化) 
Implement Stage-3 grouped assignment expression `(x = expr)` following
the 箱化モジュール化 (modular box) pattern established in Phase 133/134.

**Implementation**:
- AssignmentExprParser module (Rust: 183 lines)
  - src/parser/stage3/assignment_expr_parser.rs (+183 lines)
  - src/parser/stage3/mod.rs (+9 lines)
- AST node addition: GroupedAssignmentExpr
  - src/ast.rs (+7 lines)
  - src/ast/utils.rs (+9 lines)
- MIR lowering via 1-line delegation
  - src/mir/builder/exprs.rs (+5 lines)
  - src/mir/builder/vars.rs (+4 lines)
- Parser integration via 1-line delegation
  - src/parser/expr/primary.rs (+6 lines)
  - src/parser/mod.rs (+1 line)

**Test Results**: 3/3 PASS
- assignment_expr_simple.hako: RC 1 ✅
- assignment_expr_shortcircuit.hako: RC 1 ✅
- shortcircuit_and_phi_skip.hako: RC 1 ✅ (updated to use expression context)

**Stage-3 Gate**: No impact on Stage-2/legacy
- NYASH_FEATURES=stage3 required
- Pattern: '(' IDENT '=' expr ')'
- Value/type same as rhs, side effect assigns to lhs

**箱化モジュール化パターン**:
- Dedicated module for assignment expression parsing
- Clear responsibility separation
- 1-line delegation for integration
- Testability improvement
- Follows Phase 133/134-A/134-B pattern

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-04 13:32:58 +09:00
nyash-codex
b7a421acc8 fix(test): Update test_local_declarations_with_acc for Phase 56 MethodCall change 
Phase 56 changed LoopFrontendBinding::for_array_filter() from
BoundExpr::Variable("n") to BoundExpr::MethodCall { arr, size }.

Updated test expectations:
- Changed from expecting Var type to Method type
- Added assertions for receiver structure (Var node with "arr")
- Added assertion for method name ("size")

Test result: All 8 loop_frontend_binding tests PASS

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-04 10:33:47 +09:00
nyash-codex
2337e8a378 refactor(phase124): Remove legacy path from MIR Builder cf_if 
- Delete NYASH_HAKO_CHECK_JOINIR conditional branch logic
- Remove try_cf_if_joinir() placeholder function entirely
- Simplify cf_if() to direct lower_if_form() call (JoinIR-only)
- Update documentation to Phase 124 JoinIR-only architecture
- Apply Fail-Fast principle: no fallback logic

Build: ✅ Success (0 errors, 10 warnings)

Phase 124 Task 3/5 complete
 2025-12-04 06:29:54 +09:00
nyash-codex
adc10fdf54 Phase 123 proper完了：hako_check JoinIR実装（環境変数選択可能化） 
## 実装内容

### 1. 環境変数フラグ追加
- NYASH_HAKO_CHECK_JOINIR でJoinIR/Legacy経路を切り替え可能
- src/config/env/hako_check.rs で hako_check_joinir_enabled() 実装
- デフォルト: false（レガシー経路）で後方互換性確保

### 2. MIR Builder JoinIR スイッチ
- cf_if() メソッドにフラグチェック追加
- try_cf_if_joinir() プレースホルダー実装（Phase 124で完全実装）
- JoinIR → legacy フォールバック機構を構築

### 3. テストケース作成（4個）
- phase123_simple_if.hako
- phase123_nested_if.hako
- phase123_while_loop.hako
- phase123_if_in_loop.hako

### 4. テスト結果
✅ Legacy path: 4/4 PASS
✅ JoinIR path: 4/4 PASS
（JoinIR path は現在フォールバック経由で動作）

### 5. ドキュメント更新
- environment-variables.md: NYASH_HAKO_CHECK_JOINIR 記載
- phase121_hako_check_joinir_design.md: Phase 123実装セクション追加
- hako_check_design.md: 2パス実行フロー図を追加
- CURRENT_TASK.md: Phase 123完了を記録

## 数値成果

- 新規ファイル: 2個 (config/env/hako_check.rs, test cases × 4, test script)
- 修正ファイル: 6個
- 総追加行数: 335行
- ビルド: Zero errors

## 設計・実装の特徴

✅ Environment variable で簡単に経路切り替え可能
✅ レガシー経路を完全に保持（後方互換性）
✅ JoinIR基盤を Phase 124 での完全実装に向けて構築
✅ フォールバック機構でリスク最小化

## 次のステップ

Phase 124: JoinIR 完全実装＆デフォルト化
- try_cf_if_joinir() を IfSelectLowerer と統合
- Loop JoinIR 統合追加
- JoinIR をデフォルト経路に変更
- NYASH_LEGACY_PHI=1 で legacy フォールバック可能に

🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-04 06:17:10 +09:00
nyash-codex
6ecd8f7f52 feat(runtime): Phase 103 CoreServices Optional化 - Memory Constraints対応 
- Add CoreServicesConfig struct (from_env, minimal, all_enabled)
- Implement with_core_from_registry_optional() for selective initialization
- Update CoreBoxesImpl fields to Option<Arc<dyn XyzService>>
- Maintain backward compatibility (with_core_from_registry calls all_enabled)
- Add NYASH_CORE_DISABLE_* environment variable support
- ConsoleBox remains mandatory (Graceful Degradation principle)
- Add unit tests for optional initialization
- Update console_println! macro to handle Option type
- Fix direct console.println() calls in vm.rs and selfhost.rs
- Create core_optional_design.md documentation

Note: Phase 104 will extend ConsoleService to be optional as well with
graceful fallback in console_println! macro.

Files modified:
- src/runtime/plugin_host.rs (CoreServicesConfig, with_core_from_registry_optional, tests)
- src/runtime/core_services.rs (CoreBoxesImpl fields → Option type)
- src/runtime/mod.rs (console_println! macro updated)
- src/runner/modes/vm.rs (handle Option console)
- src/runner/selfhost.rs (handle Option console)
- docs/development/current/main/core_optional_design.md (new)
- docs/development/current/main/ring0-inventory.md (Phase 103 entry)

Test results:
- Build: ✅ Success (0 errors, 7 warnings)
- Unit tests: ✅ 3/3 passed (optional_core_tests)
- Runtime tests: ✅ 63/63 passed
- Smoke tests: ✅ 30/31 passed (1 pre-existing timeout)
 2025-12-03 13:59:06 +09:00
nyash-codex
8cd9729375 feat(runtime): Phase 87 CoreBoxId/CoreMethodId 箱化完了 
ハードコード文字列から型安全な enum への箱化により、
Box名・メソッド名管理を完全にコンパイル時検証可能に。

主な実装:
- CoreBoxId enum 定義（19個）
  - core_required: 6個（String, Integer, Bool, Array, Map, Console）
  - core_optional: 9個（Float, Null, File, Path, Regex, Math, Time, Json, Toml）
  - 特殊型: 4個（Function, Result, Method, Missing）
- CoreMethodId enum 定義（30個）
  - 各 Box のメソッドを型安全に管理
  - 引数数、戻り値型情報を統合
- is_reserved_type() を CoreBoxId ベースにリファクタリング
- infer_boxcall_return_type() を CoreMethodId ベースに改良（75行 → 25行、67%削減）

検証結果:
- テスト: ✅ 11/11 passed（新規追加）
- ビルド: ✅ 成功（0エラー）
- 型安全性: ✅ タイポ不可能

効果:
- SSOT 確立（src/runtime/core_box_ids.rs に一元化）
- コンパイル時検証（実行時エラー → コンパイルエラー）
- 保守性向上（変更箇所の一元化）
- IDE 支援（enum 補完可能）

ドキュメント:
- core_boxes_design.md 作成（Phase 87 完全仕様）
- Phase 85 README 更新（Phase 87 セクション追加）

Phase 15.5「Everything is Plugin」アーキテクチャ基盤完成

🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-02 22:22:32 +09:00
nyash-codex
7dbe0a682c feat(joinir): Phase 84-5 if_phi.rs レガシーフォールバック完全削除 
Phase 84-4-B で Case D を 0件に削減完了したことにより、
if_phi.rs のレガシーフォールバックが完全に不要になったため削除。

主な変更:
- if_phi.rs 削除（339行）
- test_utils.rs 新規作成（テスト専用ユーティリティ分離、127行）
- lifecycle.rs: if_phi 呼び出し削除、Phase 84-5 安全ガード追加
- env.rs: phi_fallback_disabled() を常に true に変更
- テスト: A/B テスト → GenericTypeResolver 単独テストに変更

検証結果:
- Case D: 0件（完全解消継続）
- Tests: 498 passed（Phase 84-4: 497 から +1）

Phase 84 プロジェクト完全達成: 15件 → 0件（100%削減）
純削減: 220行

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-02 21:09:15 +09:00
nyash-codex
345cc855a0 feat(mir): Phase 84-4-B完了 - BoxCall型情報登録で Case D 100%解決 
🎉 歴史的成果: Case D panic 9件 → 0件（100%削減達成！）

Phase 84-4-B実装内容:
- infer_boxcall_return_type() 新規実装（utils.rs）
- ビルトイン Box メソッド戻り値型のハードコード推論
  - StringBox, IntegerBox, BoolBox, ArrayBox, MapBox
  - Result-like Box (isOk/getValue) - QMark 対応
  - Stage1CliBox - 暫定 Unknown 登録
- emit_box_or_plugin_call() の型登録ロジック強化
  - plugin_method_sigs フォールバック追加
  - NYASH_BOXCALL_TYPE_TRACE=1 でデバッグ出力

技術的詳細:
- 責務: PhiTypeResolver が依存する base 定義型情報を生成
- 型生成レイヤー完成（Const → BoxCall → Await）
- 箱理論: 型伝播レイヤーと型生成レイヤーの完全分離

検証結果:
- Case D panic: 9件 → 0件 ✅
- ベースライン: 503 passed, 31 failed（変化なし）
- FALLBACK_DISABLED: 497 passed, 37 failed（Case D panic なし！）

残存 4件の状況:
- await/qmark/stage1_cli テストが FAILED（panic ではない）
- 型推論は成功（Call 命令生成）
- テスト期待値が古い（PluginInvoke 想定）

Phase 84-4-C:
- Await 型情報登録は不要（BoxCall 経路で解決済み）
- Phase 84完了条件達成済み

関連:
- Phase 84-3: PhiTypeResolver 実装（9件 → 4件）
- Phase 84-2: CopyTypePropagator 実装（12件 → 9件）
- Phase 84-1: Const 型注釈（15件 → 12件）

🎯 Phase 84 完全達成: 型推論システムの完全箱化成功！
 2025-12-02 20:28:19 +09:00
nyash-codex
c89f08fc52 feat(mir): Phase 84-3 PhiTypeResolver for PHI+Copy graph type inference 
- Add PhiTypeResolver box (ChatGPT Pro design) with DFS graph traversal
- Resolve types through PHI + Copy chains with safety conditions
- Case D reduced from 9 to 4 (56% reduction)

Implementation:
- src/mir/phi_core/phi_type_resolver.rs: New box with graph search
- src/mir/phi_core/mod.rs: Add module export
- src/mir/builder/lifecycle.rs: Integrate as P4 (before P3-C)

Algorithm:
- DFS traversal: root → Copy → src / Phi → inputs
- Collect base types (Const/Call/BoxCall/etc definitions)
- Safety: Return Some only when converges to 1 type

Test results:
- Baseline: 504 passed, 30 failed (was 494/33)
- Case D: 4 remaining (from 9, 56% reduction)
- Unit tests: 7/7 passed

Box responsibilities (final):
- GenericTypeResolver: P3-C (generic T/V inference)
- CopyTypePropagator: Copy alias only
- PhiTypeResolver: PHI + Copy graph traversal

Remaining 4 Case D: Special patterns (await/try-catch) need dedicated handling.

Phase 84 progress:
- Phase 84-1: Const type annotations (20→15→12)
- Phase 84-2: CopyTypePropagator (12→9, 25% reduction)
- Phase 84-3: PhiTypeResolver (9→4, 56% reduction)
- Total: 67% Case D reduction (20→4)

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-02 19:54:38 +09:00
nyash-codex
4ef5eec162 feat(mir): Phase 84-2 CopyTypePropagator for Copy chain type propagation 
- Add CopyTypePropagator box (ChatGPT Pro design) for fixed-point
  Copy instruction type propagation
- Integrate into lifecycle.rs before return type inference
- Case D reduced from 12 to 9 (25% reduction)

Implementation:
- src/mir/phi_core/copy_type_propagator.rs: New box with fixed-point loop
- src/mir/phi_core/mod.rs: Add module export
- src/mir/builder/lifecycle.rs: Call propagator before return inference

Test results:
- Baseline: 494 passed, 33 failed (was 489/34)
- Case D: 9 remaining (from 12)
- Unit tests: 4/4 passed

Remaining 9 Case D breakdown:
- GroupA: Loop Edge Copy (7 cases) - PHI incoming needs Copy trace
- GroupB: Multi-level PHI (2 cases) - Recursive PHI resolution needed

Phase 84-3 will address GroupA with Edge Copy tracing in GenericTypeResolver.

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-02 19:37:01 +09:00
nyash-codex
40dfbc68a8 feat(constant): Phase 84-1 Add type annotations for all constant types 
Const命令の型アノテーション欠如を根本的に修正。

## 変更内容

5つの emit 関数に型登録を追加:
- emit_integer → MirType::Integer
- emit_bool → MirType::Bool
- emit_float → MirType::Float
- emit_null → MirType::Unknown (Null型が存在しないため)
- emit_void → MirType::Void

emit_string は既に実装済み (Phase 3-A)。

## 成果

- Case D 大幅削減 (詳細は Phase 84 テスト結果で確認)
- 残り 12 件は edge copy / loop break/continue 関連
- Task先生予測の GroupA (Const欠如) を完全解決

## 設計原則

emit_string と同じパターンを踏襲:
```rust
b.value_types.insert(dst, crate::mir::MirType::Integer);
```

## 次のステップ

Phase 84-2: Copy命令型伝播の徹底

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-02 18:42:21 +09:00
nyash-codex
8ae1eabcfa feat(lifecycle): Phase 83 P3-D MethodReturnHintBox implementation 
ChatGPT Pro設計に基づき、既知メソッド戻り値型推論箱(P3-D)を実装。

## 変更内容

- method_return_hint.rs: MethodReturnHintBox 新規作成
  - BoxCall/Call のメソッド名から戻り値型を推論
  - TypeAnnotationBox と同等のマッピングを適用
  - length/size/len → Integer, push → Void, str/substring → String
- lifecycle.rs: P3-D 経路を P3-C の前に挿入
- mod.rs: method_return_hint モジュール登録

## 成果

- Case D 削減: 20 → 16 (4件削減, 20%)
- Unit tests: 5/5 passed

## 設計原則

- 単一責務: P3-D 推論のみ
- TypeAnnotationBox 薄ラップ: 型マッピングの SSOT は TypeAnnotationBox
- 将来移行性: MethodRegistry 導入時も API 不変

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-02 18:09:04 +09:00
nyash-codex
be38e4c272 fix(joinir): Phase 82-5 lifecycle.rs return type inference bug fix 
**Problem**: lifecycle.rs walked bb.instructions before checking bb.terminator,
causing it to infer types from intermediate values like `%1 = const void` instead
of the actual return value.

**Solution**: Remove instructions walking entirely, only check terminator Returns.
This ensures we infer type from the actual return value (e.g., `ret %3`).

**Impact**:
- Case D failures: 51 → 20 (60% reduction! 31 eliminated)
- Removed ~55 lines of redundant instructions walking
- All remaining 20 Case D are genuine GenericTypeResolver coverage issues

**Files Modified**:
- src/mir/builder/lifecycle.rs: Remove instructions loop, only check terminator

**Test Results**:
- Baseline: 483 passed, 33 failed
- With NYASH_PHI_FALLBACK_DISABLED=1: 463 passed, 53 failed (20 Case D panics)
- All remaining Case D are in `main` functions (genuine, not bugs)

**Related**: Phase 82-if-phi-retire Step 5 (ChatGPT root cause analysis)
 2025-12-02 16:00:50 +09:00
nyash-codex
b9496000f9 refactor(phase82): DRY化 - Case判定ロジックをヘルパー関数に統一 
### リファクタ内容
- 2箇所の callsite で重複していた Case 判定ロジックを統一化
- classify_phi_fallback_case() ヘルパー関数を追加

### 変更前（重複）
- Callsite 1: L321-328 で Case 判定（9行）
- Callsite 2: L378-385 で Case 判定（9行）
- 完全に同一のロジックが重複

### 変更後（DRY）
- classify_phi_fallback_case() ヘルパー関数（14行）
- 各 callsite は 1 行の呼び出しのみ

### メリット
- ✅ DRY原則: ロジック重複削減
- ✅ 保守性: Case 分類変更が 1 箇所で完結
- ✅ テスト: ヘルパー関数単独でテスト可能
- ✅ 可読性: panic 処理が簡潔に

### 動作確認
- ビルド成功（warning のみ、既存のもの）
- テスト結果: 482 PASS, 34 FAIL（既存の失敗のみ）

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-02 15:39:19 +09:00
nyash-codex
1260f2b6d0 feat(phase82): Phase 82-if-phi-retire Step 1-3 dev ガード実装 
Phase 82-if-phi-retire Implementation:
- Step 1-3 分析完了: lifecycle.rs 精読 + P3-C カバレッジ突き合わせ
- dev ガード実装: NYASH_PHI_FALLBACK_DISABLED=1 で callsite 封じ

Implementation Details:

1. Analysis Findings (Step 1-2):
   - lifecycle.rs に 2箇所の infer_type_from_phi_with_hint() callsite
   - GenericTypeResolver::resolve_from_phi() と infer_type_from_phi() は同一ロジック
   - Case 分類: A (hint付き), B (P1/P2/P3-A/B hint失敗), D (P3-C 失敗・無駄な再実行)

2. config/env/joinir_dev.rs:
   - phi_fallback_disabled() フラグ追加
   - NYASH_PHI_FALLBACK_DISABLED=1 で有効化

3. lifecycle.rs dev ガード:
   - Callsite 1 (L320-336): instructions 内 Return
   - Callsite 2 (L377-393): terminator Return
   - Case 判定付き panic で関数名・ValueId・Case を出力

Next Steps:
- テスト実行で callsite が実際に呼ばれるか検証
- 結果に基づいて削除計画確定

Documents Created:
- docs/private/roadmap2/phases/phase-82-if-phi-retire/infer_type_from_phi_callsites.md
- docs/private/roadmap2/phases/phase-82-if-phi-retire/step1-3-analysis.md

Goal:
- lifecycle.rs から infer_type_from_phi* 呼び出しを排除
- if_phi.rs 本体削除への道筋を明確化
 2025-12-02 15:18:41 +09:00
nyash-codex
c61f4bc742 feat(joinir): Phase 80 JoinIR Mainline Unification 
Phase 80: JoinIR 本線化（Core ON 対応）

## 変更内容

### Phase 80-1: SSOT 関数群の追加 (mod.rs)
- `is_loop_mainline_target()`: Loop本線化対象判定
- `is_if_mainline_target()`: If本線化対象判定
- `should_try_joinir_mainline()`: Core ON時の本線試行判定
- `should_panic_on_joinir_failure()`: Strict時のパニック判定

### Phase 80-2: If本線化 (if_form.rs)
- Core ON (`joinir_core_enabled()`) 時に代表関数でJoinIRを本線として試行
- Strict mode (`joinir_strict_enabled()`) でパターン不一致時にパニック

### Phase 80-3: Loop本線化 (vm_bridge_dispatch/mod.rs)
- Core ON 時に本線対象関数でJoinIR VMブリッジを優先試行
- Strict mode で失敗時にパニック

## 対象関数
- Loop: Main.skip/1, FuncScannerBox.trim/1, etc. (6本)
- If: IfSelectTest.*, IfMergeTest.*, JsonShapeToMap.* etc.

## 環境変数
- NYASH_JOINIR_CORE=1: Core ON（本線化有効）
- NYASH_JOINIR_STRICT=1: Strict ON（フォールバック禁止）

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-12-02 13:45:47 +09:00
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
8633224061 JoinIR/SSA/Stage-3: sync CURRENT_TASK and dev env 2025-12-01 11:10:46 +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
7de192aa6b feat(mir): Phase 69-3 Fix MIR non-determinism with BTreeSet 
Replace HashSet with BTreeSet for CFG predecessors/successors:
- BasicBlock.predecessors: HashSet → BTreeSet
- BasicBlock.successors: HashSet → BTreeSet
- LoopFormOps.get_block_predecessors(): returns BTreeSet
- BasicBlock.dominates(): takes &[BTreeSet<BasicBlockId>]

This ensures deterministic PHI generation and test stability.

Test results:
- loop_with_continue_and_break tests: now deterministic (3/3 same output)
- loopform tests: 14/14 PASS (no regressions)
- merge_exit_with_classification tests: 3/3 PASS

Technical changes (6 files):
- basic_block.rs: BTreeSet types + new() initialization
- loopform_builder.rs: trait signature + 2 mock implementations
- phi_ops.rs: return type
- json_v0_bridge/loop_.rs: return type

Same pattern as Phase 25.1 (MirFunction.blocks HashMap → BTreeMap).

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-30 09:38:28 +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
74a6f0f93e feat(joinir): Phase 65.5 TypeHintPolicy箱化モジュール化 
## 目的

lifecycle.rs の型ヒント判定ロジックを箱化モジュール化し、
単一責務原則に基づいたクリーンなアーキテクチャを実現。

## 主な変更

### 新規ファイル

- **type_hint_policy.rs** (237行): 型ヒントポリシー専用モジュール
  - `TypeHintPolicy` 構造体: 型ヒント対象関数の判定
  - `is_target()`: P1/P2/P3-A/P3-B 統合判定
  - `extract_phi_type_hint()`: PHI から型ヒント抽出
  - 7つの単体テスト（パターン別カバレッジ）

### 既存ファイル修正

- **lifecycle.rs**: 60行削減
  - `get_phi_type_hint()` 削除 → `TypeHintPolicy::extract_phi_type_hint()` に移行
  - `is_type_hint_target()` 削除 → `TypeHintPolicy::is_target()` に移行
  - 2箇所の呼び出し箇所を TypeHintPolicy 使用に更新

- **lowering/mod.rs**: type_hint_policy モジュール宣言追加

## 箱化の利点

- ✅ 単一責務：ポリシー判定のみを担当
- ✅ テスト可能：独立した単体テスト（7テスト）
- ✅ 拡張容易：Phase 66+ で P3-C 追加が簡単
- ✅ 可読性向上：関数型スタイル（flat_map/find_map）

## テスト結果

```
running 6 tests
test type_hint_policy::tests::test_is_p1_target ... ok
test type_hint_policy::tests::test_is_p2_target ... ok
test type_hint_policy::tests::test_is_p3a_target ... ok
test type_hint_policy::tests::test_is_p3b_target ... ok
test type_hint_policy::tests::test_is_target ... ok
test type_hint_policy::tests::test_p2_p3a_overlap ... ok
```

## Phase 65 完了状況

- ✅ Phase 65-1: 型マッピング設計文書作成
- ✅ Phase 65-2-A: StringBox メソッド型ヒント実装
- ✅ Phase 65-2-B: Box コンストラクタ型ヒント実装
- ✅ Phase 65-3: lifecycle.rs への P3-A/B 統合
- ✅ Phase 65-4/65-5: 削除条件 5/5 達成、if_phi.rs を P3-C フォールバックに位置づけ
- ✅ Phase 65.5: TypeHintPolicy 箱化モジュール化（今回）

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-30 06:37:34 +09:00
nyash-codex
47715d3615 feat(joinir): Phase 65-3 lifecycle.rs P3-A/P3-B統合 
Phase 65-3 完了：lifecycle.rs で P1/P2/P3-A/P3-B 統一処理

## 実装内容

### 1. is_type_hint_target() 拡張
- **P3-A 追加**: `read_quoted*` で StringBox メソッド対応（P2 と重複）
  - substring/length 型ヒントが P2 経路で既にカバー済み
- **P3-B 追加**: `NewBoxTest.*` で NewBox コンストラクタ対応
  - ArrayBox/StringBox/MapBox 等の型ヒント対応

### 2. P1/P2/P3-A/P3-B 統一経路確認
- すべて同じ経路で `get_phi_type_hint()` → `infer_type_from_phi_with_hint()` 通過
- 段階的拡大のため関数名フィルタで制御（箱理論）

## テスト状況
- ✅ ビルド: 0 エラー
- ⏳ P3-B A/B テスト: Phase 65-4 で追加予定

## 次のステップ
- Phase 65-4: 削除条件 5/5 達成確認（P3-B テスト追加）

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-30 06:21:07 +09:00
nyash-codex
ce65694826 feat(joinir): Phase 64-3 P2型ヒントlifecycle.rs統合 
箱理論に基づくP1/P2型ヒント判定の統合:
- `is_type_hint_target()` ヘルパー関数追加（箱に切り出す）
- P1: IfSelectTest.* (既存、Phase 63-6)
- P2: IfMergeTest.*, read_quoted* (新規、Phase 64-3)

lifecycle.rs 2箇所の条件を統一関数に置き換え:
- 関数名フィルタで段階的拡大を制御
- Fail-fast原則: 対象外は従来挙動維持

テスト確認:
- test_p1_ab_type_inference ✅ PASS
- test_p2_if_merge_type_hint ✅ PASS
- 退行なし確認済み（既存の43 failedは元々のバグ）

技術的成果:
- P1/P2 両方で JoinIR 型ヒント → lifecycle.rs → 型推論 の経路確立
- 箱理論「まず箱に切り出す」原則の実践

修正ファイル:
- src/mir/builder/lifecycle.rs: is_type_hint_target() 追加、条件統一

🎯 Phase 64-4 へ: infer_type_from_phi 削除条件確認

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-30 05:20:31 +09:00
nyash-codex
dc70d0de1b feat(mir): Phase 63-6-3/4/5 P1 type hint完全実装 & 削除条件4/5達成 
Phase 63-6-3: lifecycle.rs で型ヒント取得・使用
- `get_phi_type_hint()` ヘルパー関数追加（lifecycle.rs:44-60）
- P1 ケース（IfSelectTest.*）限定で PHI の type_hint を取得
- lifecycle.rs:313-316, 335-338 で型ヒント使用
- 関数名フィルタでガード、他は None（既存挙動維持）

Phase 63-6-4: P1 ケーステスト追加（A/B 検証）
- `test_p1_ab_type_inference()` 追加（mir_joinir_if_select.rs:684-721）
- Route B（JoinIR 型ヒント経由）の動作確認
- Select type_hint = Some(Integer) 検証
- P1 function name filter 検証

Phase 63-6-5: ドキュメント更新（削除条件 4/5 達成）
- Phase 63 README.md 更新：削除条件 4/5 を ✅ 完了に
- 達成率 3/5（60%）→ 4/5（80%）に更新
- Phase 63-6 完了セクション追加（実装内容・成果・ファイル一覧）
- CURRENT_TASK.md に Phase 63-6 完了記録追加

削減実績: 0行（段階的拡大のため削除なし）

**削除条件達成率: 4/5（80%）← Phase 63-6 完了で +20%**

技術的成果:
- **P1 ケースで JoinIR 型ヒントのみで型決定（削除条件 4/5 達成）**
- JoinIR が If 系 PHI の型情報 SSOT として機能確立
- lifecycle.rs が型ヒント優先で推論する基盤完成
- Select → PHI → lifecycle.rs の全経路が動作

Modified files:
- src/mir/builder/lifecycle.rs: get_phi_type_hint() 追加、P1 型ヒント使用
- src/tests/mir_joinir_if_select.rs: A/B テスト追加
- CURRENT_TASK.md: Phase 63-6 完了記録
- docs/private/roadmap2/phases/phase-63-joinir-type-info/README.md: 削除条件更新

Test results:
- ✅ test_p1_ab_type_inference: PASS
- ✅ test_if_select_pattern_matching: PASS
- ✅ All if_select tests: 8/8 PASS

次のステップ: Phase 64 で P2/P3 ケースへ拡大、全関数で型ヒント化完了（削除条件 5/5）

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-30 04:45:11 +09:00
nyash-codex
c6edbaaf3a feat(mir): Phase 63-6-1/2 MIR Phi type_hint field & JoinIR propagation 
Phase 63-6-1: MirInstruction::Phi に type_hint フィールド追加
- Added `type_hint: Option<MirType>` field to Phi instruction
- Updated 21 files with type_hint initialization (all set to None for legacy paths)
- Pattern matching updated across codebase (11 files)
- Test code updated (basic_block.rs)

Phase 63-6-2: JoinIR→MIR Bridge で型ヒント伝播実装
- Modified convert.rs: Select → MIR now creates PHI with type_hint
- Removed Copy instructions from then/else blocks
- PHI instruction at merge block receives type_hint from JoinIR Select
- Test verification: ✅ Type hint propagation successful (Some(Integer))

Modified files:
- instruction.rs: Added type_hint field definition
- join_ir_vm_bridge/convert.rs: Select lowering with PHI + type_hint
- 19 other files: type_hint field initialization

Test results:
- ✅ test_type_hint_propagation_simple: Type hint = Some(Integer) confirmed
- ✅ 7/8 if_select tests passing (1 race condition, passes individually)

Next: Phase 63-6-3 (lifecycle.rs で型ヒント使用)

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-30 04:35:40 +09:00
nyash-codex
360ad48d93 feat(joinir): Phase 63-5 infer_type_from_phi degradation implementation (infrastructure) 
Phase 63-5: 型ヒント優先のインターフェースを確立し、lifecycle.rs で呼び出し経路を統一

## Changes

### Core Implementation

1. **`infer_type_from_phi_with_hint()` 実装** (if_phi.rs:92-105)
   - Route B: `type_hint` があれば優先的に返す（JoinIR SSOT）
   - Route A: なければ `infer_type_from_phi()` へフォールバック
   - Fail-fast 原則遵守：既存挙動を一切変更しない

2. **lifecycle.rs 呼び出し経路統一** (2箇所)
   - lifecycle.rs:284, 303 で `infer_type_from_phi_with_hint(None, ...)` を呼び出し
   - 現時点では `type_hint=None` でフォールバック動作（既存挙動維持）
   - 将来 Phase 63-6+ で JoinIR からの型ヒント取得を実装

### Test Results

- ✅ IfSelect 全 8 テスト PASS（test_type_hint_propagation_simple 含む）
- ✅ JoinIR 全 57 テスト PASS
- ✅ 退行なし確認

### Documentation Updates

- **README.md**: Phase 63-5 完了セクション追加（実装内容・テスト結果・次ステップ）
- **README.md**: 削除条件チェックリスト更新（3/5 達成、60%）
- **PHI_BOX_INVENTORY.md**: if_phi.rs 行に Phase 63-5 完了マーク追加
- **CURRENT_TASK.md**: Phase 63-5 セクション追加

## Technical Achievements

- 型ヒント優先インターフェース確立
- lifecycle.rs 呼び出し経路統一
- Phase 63-6+ での段階的型ヒント供給の準備完了

## Deletion Condition Progress

**削除条件達成率**: 2/5 (40%) → **3/5 (60%)** ← Phase 63-5 完了で +20%

1. ✅ JoinIR に `type_hint` 追加（Phase 63-3）
2. ✅ 代表ケースで `type_hint` 埋め込み（Phase 63-2）
3. ✅ 型ヒント優先に縮退（Phase 63-5）← NEW!
4. ⏳ P1 ケースで `type_hint` のみで型決定（Phase 63-6+）
5. ⏳ 全関数で型ヒント化完了（Phase 64+）

## Files Changed

- src/mir/phi_core/if_phi.rs: +44行（infer_type_from_phi_with_hint() 追加）
- src/mir/builder/lifecycle.rs: 2箇所で _with_hint 呼び出しへ移行
- docs/private/roadmap2/phases/phase-63-joinir-type-info/README.md
- docs/private/roadmap2/phases/phase-30-final-joinir-world/PHI_BOX_INVENTORY.md
- CURRENT_TASK.md

## Next Steps

**Phase 63-6**: P1 ケース（IfSelectTest.simple/local）への型ヒント供給を実装
- JoinIR → MIR Bridge での型ヒント伝播
- lifecycle.rs で型ヒントを取得するパスの追加

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 18:07:38 +09:00
nyash-codex
3194cc1e6c feat(joinir): Phase 61-4-F ToplevelOps and production path integration 
Phase 61-4-F: Loop-outside If JoinIR production path

Changes:
- F.1: Add ToplevelOps struct implementing PhiBuilderOps for MirBuilder
  - Enables emit_toplevel_phis() to emit PHI instructions via MirBuilder
  - Uses insert_phi_at_head_spanned for proper PHI placement
  - ~70 lines, thin wrapper following box theory

- F.2: Integrate production path with emit_toplevel_phis
  - Replace TODO with actual PHI emission call
  - Build IfShape from branch blocks
  - Log PHI count on dry-run

- Add IfToplevelTest.* to try_lower_if_to_joinir allowed list
  - Fixes function name guard that blocked testing

Note: Pattern matching currently only supports return patterns
(IfMerge/IfSelect). Local variable assignment patterns fall back
to existing PHI generation, which correctly produces valid MIR.

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 15:32:40 +09:00
nyash-codex
3439de0f65 feat(joinir): Phase 61-4-D/E function guard and toplevel emitter 
Phase 61-4 追加実装:

1. Phase 61-4-D: 関数名ガード整理
   - is_joinir_if_toplevel_target() ヘルパー追加
   - IfSelectTest.*, IfToplevelTest.*, IfMergeTest.* 対応
   - if_form.rs で関数名チェック統合

2. Phase 61-4-E: emit_toplevel_phis() 追加
   - IfInLoopPhiEmitter に toplevel 用メソッド追加
   - carrier_names 不要（PhiSpec の全変数を対象）
   - HAKO_JOINIR_IF_TOPLEVEL_TRACE でトレース可能

現状:
- dry-run モードでパターンマッチング確認可能
- 本番経路のPHI生成統合は次フェーズ（MirBuilder PHI emit 方式検討必要）

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 15:15:22 +09:00
nyash-codex
b73413566d feat(joinir): Phase 61-4 loop-outside If JoinIR infrastructure 
Phase 61-4 ループ外 If の JoinIR 基盤実装:

1. env フラグ追加:
   - HAKO_JOINIR_IF_TOPLEVEL: 本番経路有効化
   - HAKO_JOINIR_IF_TOPLEVEL_DRYRUN: dry-run モード

2. IfPhiContext 拡張:
   - pure_if() コンストラクタ追加（ループ外 if 用）

3. if_form.rs 統合:
   - JoinIR 試行コード追加（dry-run対応）
   - フォールバック経路維持（既存PHI生成）

現状:
- dry-run モード動作確認済み
- 関数名ガードにより main 関数はスキップ
- 本番経路は未実装（関数名ガード拡張が必要）

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 15:08:23 +09:00
nyash-codex
7a1a4bd964 refactor(mir): loop_builder.rs モジュール化 - 6ファイルに分割 
## リファクタリング内容

### ファイル構造変更
- `src/mir/loop_builder.rs` (1515行) 削除
- `src/mir/loop_builder/` ディレクトリ新設（6ファイル、1529行）

### 新規モジュール構成

1. **mod.rs** (6,293行 → 実際は約150行)
   - モジュール定義とre-export
   - LoopBuilder構造体定義

2. **loop_form.rs** (25,988行 → 実際は約650行)
   - メインループlowering pipeline
   - デバッグ/実験フラグ集約

3. **if_lowering.rs** (15,600行 → 実際は約390行)
   - In-loop if lowering with JoinIR/PHI bridge
   - **Phase 61-2コード完全保持**:
     - JoinIR dry-run検証モード
     - PhiSpec計算とA/B比較

4. **phi_ops.rs** (12,844行 → 実際は約320行)
   - PHI emit helpers
   - LoopFormOps/PhiBuilderOps impls

5. **control.rs** (4,261行 → 実際は約107行)
   - break/continue capture
   - predecessor bookkeeping

6. **statements.rs** (1,673行 → 実際は約42行)
   - loop-body statement lowering entry point

7. **README.md** (752行 → 実際は約19行)
   - モジュール責務とサブモジュール説明

### 設計原則

- **責務分離**: CFG構築/PHI生成/制御フロー/文処理を分離
- **Phase 61-2保持**: if_lowering.rsにJoinIR dry-run完全移行
- **phi_core委譲**: PHI構築ロジックは`phi_core`に委譲

## テスト結果

- Phase 61-2テスト: ✅ 2/2 PASS（dry-runフラグ、PhiSpec）
- loopformテスト: ✅ 14/14 PASS（退行なし）
- ビルド: ✅ 成功（エラー0件）

## 統計

- **純削減**: -1,521行（25ファイル変更）
- **loop_builder**: 1515行 → 1529行（+14行、6ファイル化）
- **可読性**: 巨大単一ファイル → 責務別モジュール

## ChatGPT設計・Claude確認

大規模リファクタリングをChatGPTが実施、Claudeが検証完了。

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 12:44:40 +09:00
nyash-codex
c10ffa4c2b refactor(phi): Phase 58 ConservativeMerge inline into merge_all_vars 
Phase 58: ConservativeMerge 本体削除

## 変更内容

- ConservativeMerge::analyze を phi_merge.rs の merge_all_vars 内にインライン化
- conservative.rs から struct と impl を削除（約95行削減）
- conservative.rs はドキュメントコメントのみ残す

## 技術的詳細

- all_vars: 全ブランチの変数ユニオン（Conservative戦略）
- changed_vars: 実際に変更された変数（決定的順序のためBTreeSet使用）
- Conservative ∘ Elimination = Minimal SSA 理論コメント保持

## 削減効果

- conservative.rs: 149行 → 57行（92行削減、62%削減）
- ConservativeMerge struct 完全削除
- テストコード 35行削除

## テスト結果

- JoinIR: 56 passed / 0 failed
- PHI関連テスト: 全PASS

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 09:14:24 +09:00
nyash-codex
50bb58f2a1 refactor(phi): Phase 57 PHI code reduction 
## Changes

### 57-2-alt: Remove redundant ConservativeMerge call
- phi.rs called ConservativeMerge::analyze twice (once directly,
  once via merge_all_vars)
- Now merge_all_vars returns changed_vars, eliminating redundancy

### 57-3: Delete PhiMergeOps trait (dead code, 17 lines)
- PhiMergeOps trait was defined but never called
- Only impl in loop_builder.rs was unused
- PhiBuilderOps has replaced it

### 57-4: Add responsibility comments to infer_type_from_phi
- Document that it's the "last resort" for type inference
- Specify deletion conditions (JoinIR type annotations)

## Cumulative PHI reduction
- Phase 38: 90 lines
- Phase 40-4.1: 35 lines
- Phase 41-1: 99 lines
- Phase 47: 33 lines
- Phase 57: 17 lines (PhiMergeOps) + optimization
- Total: 365+ lines removed

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 09:04:42 +09:00
nyash-codex
ad9daf37ac feat(joinir): Phase 56 ArrayExtBox.filter JoinIR lowering完全実装 
## Summary
ArrayExtBox.filter/2 の JoinIR Frontend lowering を完全実装し、
ConditionalMethodCall 命令を導入して filter パターンに対応。
56 JoinIR テスト全て PASS（退行なし）。

## Technical Changes

### 1. ConditionalMethodCall 命令追加
- **新規命令**: `if pred(v) { acc.push(v) }` パターン用
- **構造**: cond が true なら method 実行、false なら no-op
- **MIR 変換**: 4ブロック構造 (cond→then/else→merge)

### 2. AST JSON 拡張
- Break/Continue/FunctionCall に "type" フィールド追加
- ArrayLiteral/MapLiteral に "type" フィールド追加
- JoinIR Frontend 互換性向上

### 3. Expression Handler 拡張
- Unary 演算子（not, 負号）サポート
- Call（変数関数呼び出し）を MethodCall に変換

### 4. Loop Pattern Binding 修正
- `BoundExpr::Variable("n")` 問題修正
- `MethodCall { receiver: "arr", method: "size" }` に変更
- external_refs (arr, pred) を step 関数に伝播

### 5. If Statement Handler 拡張
- 条件付き側効果パターン（ケース4）追加
- MethodCall/Method 形式の statement を ConditionalMethodCall に変換

## Files Modified (10 files, +456/-45 lines)
- ast_json.rs: AST JSON "type" フィールド追加
- loop_frontend_binding.rs: n バインディング修正
- control_flow.rs: external_refs params 追加
- loop_patterns.rs: external_refs step 関数伝播
- expr.rs: Unary, Call handler 追加
- stmt_handlers.rs: ConditionalMethodCall パターン追加
- mod.rs: ConditionalMethodCall, UnaryOp 定義
- json.rs: ConditionalMethodCall, UnaryOp シリアライズ
- join_ir_runner.rs: ConditionalMethodCall, UnaryOp スタブ
- convert.rs: ConditionalMethodCall → MIR 変換

## Test Results
- 56 JoinIR tests: ✅ PASSED
- Regression: ❌ None
- ArrayExtBox.filter/2: ✅ JoinIR lowering 成功

## Milestone
JoinIR 2ループ完走達成:
- ✅ JsonTokenizer.print_tokens/0
- ✅ ArrayExtBox.filter/2 (NEW!)

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 06:51:43 +09:00
nyash-codex
e27934d91a feat(joinir): Phase 52-53 LoopFrontendBinding JSON + Statement Handlers 
Phase 52: LoopFrontendBinding JSON generation fixes
- Add receiver_to_json() for Field node structure (me.tokens)
- Add needs_me_receiver() for instance method detection
- Fix "condition" → "cond" key for JoinIR Frontend
- Add me parameter propagation in loop_patterns.rs
- Add JoinIR-compatible type fields in ast_json.rs
  - Variable → "type": "Var"
  - Literal → "type": "Int"/"Bool" (literal_to_joinir_json)
  - BinaryOp → "type": "Binary"/"Compare" (is_compare_op)
  - MethodCall → "type": "Method"

Phase 53: Statement Handler module for loop body
- NEW: stmt_handlers.rs with StatementEffect type
- Support: Local, Assignment, Print, Method, If statements
- If lowering: single variable update → Select instruction
- Remove hardcoded assert in loop_patterns.rs
- Replace with generic lower_statement() calls

Test results: 56 JoinIR tests PASS, 7 loop_frontend_binding tests PASS

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-29 04:42:16 +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.

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 20:59:54 +09:00
nyash-codex
1e1b2183b2 feat(joinir): Phase 49-4 multi-target routing with graceful fallback 
- Add ArrayExtBox.filter/2 as second JoinIR mainline target
- Fix function name arity: print_tokens is /0 (no implicit me in arity)
- Construct proper JSON v0 format with defs array for JoinIR Frontend
- Add catch_unwind for graceful fallback on unsupported patterns
- Add 3 array_filter tests (smoke, fallback, A/B comparison)
- All 6 Phase 49 tests passing

Dev flags:
- HAKO_JOINIR_PRINT_TOKENS_MAIN=1: JsonTokenizer.print_tokens/0
- HAKO_JOINIR_ARRAY_FILTER_MAIN=1: ArrayExtBox.filter/2

Note: Currently all loops fall back to legacy LoopBuilder due to
JoinIR Frontend expecting hardcoded variable names (i, acc, n).
Full JoinIR integration pending variable scope support in Phase 50+.

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 20:12:39 +09:00
nyash-codex
20d9b412b2 feat(joinir): Phase 49-3.2 merge_joinir_mir_blocks full implementation 
Implement actual block merging for JoinIR Frontend mainline integration:

- Block ID remapping: Allocate new IDs from block_gen for all JoinIR blocks
- Value ID remapping: Allocate new IDs from next_value_id() for all values
- Instruction cloning: Clone all instructions with remapped IDs
- Return→Jump conversion: Convert Return terminators to Jump to exit block
- Control flow wiring: Jump from current block to JoinIR entry

Helper functions added:
- collect_values_in_block(): Collect all ValueIds in a block
- collect_values_in_instruction(): Collect all ValueIds in an instruction
- remap_instruction(): Remap ValueIds and BlockIds in an instruction

A/B tests (3 total):
- phase49_joinir_mainline_pipeline_smoke
- phase49_joinir_mainline_fallback_without_flag
- phase49_joinir_mainline_ab_comparison (Route A vs Route B)

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 19:45:23 +09:00
nyash-codex
a8db5682cb feat(joinir): Phase 49-3 JoinIR Frontend mainline integration 
Implement AST→JSON→JoinIR→MIR pipeline in cf_loop for print_tokens:
- Add cf_loop_joinir_impl() with full pipeline:
  - AST Loop node → Program JSON
  - AstToJoinIrLowerer::lower_program_json() → JoinModule
  - convert_join_module_to_mir_with_meta() → MirModule
  - merge_joinir_mir_blocks() (MVP: logging only)

- Add Phase 49 smoke tests (2 tests):
  - phase49_joinir_mainline_pipeline_smoke
  - phase49_joinir_mainline_fallback_without_flag

- Dev flag: HAKO_JOINIR_PRINT_TOKENS_MAIN=1
- Debug flag: NYASH_JOINIR_MAINLINE_DEBUG=1

MVP limitations:
- Block merge is logging only (Phase 49-3.2 for full impl)
- if-analysis meta is empty (Phase 40+ territory)

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 19:29:45 +09:00
nyash-codex
e258973dba feat(builder): Phase 49 cf_loop JoinIR Frontend mainline integration point 
Add try_cf_loop_joinir() method to control_flow.rs as the routing point
for JoinIR Frontend mainline integration.

- First target: JsonTokenizer.print_tokens/1
- Controlled by HAKO_JOINIR_PRINT_TOKENS_MAIN=1 flag
- Currently falls through to legacy LoopBuilder (Phase 49-3 will implement)

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 19:12:59 +09:00
nyash-codex
d34677299e refactor(tests): Reorganize test files into module directories 
- Split join_ir_vm_bridge_dispatch.rs into module directory
- Reorganize test files into categorical directories:
  - exec_parity/, flow/, if_no_phi/, joinir/, macro_tests/
  - mir/, parser/, sugar/, vm/, vtable/
- Fix compilation errors after refactoring:
  - BinaryOperator::LessThan → Less, Mod → Modulo
  - Add VM re-export in backend::vm module
  - Fix BinaryOp import to use public API
  - Add callee: None for MirInstruction::Call
  - Fix VMValue type mismatch with proper downcast
  - Resolve borrow checker issues in vtable tests
  - Mark 2 tests using internal APIs as #[ignore]

JoinIR tests: 50 passed, 0 failed, 20 ignored

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 18:28:20 +09:00
nyash-codex
d3eff1fceb feat(joinir): Phase 45-46 read_quoted_from IfMerge implementation 
Phase 45: read_quoted_from JoinIR Frontend/Bridge
- Implement lower_read_quoted_pattern() for Guard if + Loop with break + accumulator pattern
- Add T1-T4 Route B E2E tests (all PASS)
- Create phase45_read_quoted_fixture.hako for Route A testing

Phase 46: IfMerge extension for loop-internal if-body reassignment
- Add escape handling: if ch == "\\" { i = i+1; ch = s.substring(...) }
- Use IfMerge to merge i and ch after if-body (speculative execution)
- T5 PASS: "a\"b" → 'a"b' (escape handling works!)

Dev flags:
- HAKO_JOINIR_READ_QUOTED=1: Enable Phase 45 JoinIR route
- HAKO_JOINIR_READ_QUOTED_IFMERGE=1: Enable Phase 46 IfMerge escape handling

Test results (Route B):
- T1: "abc" → 'abc' ✅
- T2: "" → '' ✅
- T3: abc → '' ✅
- T4: xx"def" → 'def' ✅
- T5: "a\"b" → 'a"b' ✅

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 17:13:52 +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
51ff558904 feat(phase32): L-2.1 Stage-1 UsingResolver JoinIR integration + cleanup 
Phase 32 L-2.1 complete implementation:

1. Stage-1 UsingResolver main line JoinIR connection
   - CFG-based LoopForm construction for resolve_for_source/5
   - LoopToJoinLowerer integration with handwritten fallback
   - JSON snapshot tests 6/6 PASS

2. JoinIR/VM Bridge improvements
   - Simplified join_ir_vm_bridge.rs dispatch logic
   - Enhanced json.rs serialization
   - PHI core boxes cleanup (local_scope_inspector, loop_exit_liveness, loop_var_classifier)

3. Stage-1 CLI enhancements
   - Extended args.rs, groups.rs, mod.rs for new options
   - Improved stage1_bridge module (args, env, mod)
   - Updated stage1_cli.hako

4. MIR builder cleanup
   - Simplified if_form.rs control flow
   - Removed dead code from loop_builder.rs
   - Enhanced phi_merge.rs

5. Runner module updates
   - json_v0_bridge/lowering.rs improvements
   - dispatch.rs, selfhost.rs, modes/vm.rs cleanup

6. Documentation updates
   - CURRENT_TASK.md, AGENTS.md
   - Various docs/ updates

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-26 10:17:37 +09:00
nyash-codex
da1a5558e5 Normalize passes keep spans and clean warnings 2025-11-24 15:02:51 +09:00
nyash-codex
466e636af6 Span trace utilities and runner source hint 2025-11-24 14:17:02 +09:00
nyash-codex
2692eafbbf feat(mir): Phase 26-H JoinIR型定義実装完了 - ChatGPT設計 
## 実装内容（Step 1-3 完全達成）

### Step 1: src/mir/join_ir.rs 型定義追加
- **JoinFuncId / JoinContId**: 関数・継続ID型
- **JoinFunction**: 関数（引数 = φノード）
- **JoinInst**: Call/Jump/Ret/Compute 最小命令セット
- **MirLikeInst**: 算術・比較命令ラッパー
- **JoinModule**: 複数関数保持コンテナ
- **単体テスト**: 型サニティチェック追加

### Step 2: テストケース追加
- **apps/tests/joinir_min_loop.hako**: 最小ループ＋breakカナリア
- **src/tests/mir_joinir_min.rs**: 手書きJoinIR構築テスト
  - MIR → JoinIR手動構築で型妥当性確認
  - #[ignore] で手動実行専用化
  - NYASH_JOINIR_EXPERIMENT=1 トグル制御

### Step 3: 環境変数トグル実装
- **NYASH_JOINIR_EXPERIMENT=1**: 実験モード有効化
- **デフォルト挙動**: 既存MIR/LoopForm経路のみ（破壊的変更なし）
- **トグルON時**: JoinIR手書き構築テスト実行

## Phase 26-H スコープ遵守
✅ 型定義のみ（変換ロジックは未実装）
✅ 最小限の命令セット
✅ Debug 出力で妥当性確認
✅ 既存パイプライン無影響

## テスト結果
```
$ NYASH_JOINIR_EXPERIMENT=1 cargo test --release mir_joinir_min_manual_construction -- --ignored --nocapture
[joinir/min] MIR module compiled, 3 functions
[joinir/min] JoinIR module constructed:
[joinir/min] ✅ JoinIR型定義は妥当（Phase 26-H）
test result: ok. 1 passed; 0 failed
```

## JoinIR理論の実証
- **φノード = 関数引数**: `fn loop_step(i, k_exit)`
- **merge = join関数**: 分岐後の合流点
- **ループ = 再帰関数**: `loop_step` 自己呼び出し
- **break = 継続呼び出し**: `k_exit(i)`

## 次フェーズ (Phase 27.x)
- LoopForm v2 → JoinIR 自動変換実装
- break/continue ハンドリング
- Exit PHI の JoinIR 引数化

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

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: ChatGPT <noreply@openai.com>
 2025-11-23 04:10:12 +09:00