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Author SHA1 Message Date
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
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

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 18:40:47 +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
43df7aeede feat(phi): Phase 41-1 delete dead PHI code (147 lines) 
Delete pure dead code identified by Task agent investigation:

**if_phi.rs (-99 lines)**
- merge_modified_at_merge_with (70 lines) - zero external callsites
  Superseded by PhiBuilderBox::generate_if_phis()
- merge_with_reset_at_merge_with (29 lines) - wrapper for above

**conservative.rs (-48 lines)**
- get_conservative_values (48 lines) - zero callsites
  Superseded by PhiBuilderBox::get_conservative_if_values()

Tests: Phase 40 5/5 PASS, conservative 3/3 PASS
No regression (14 pre-existing failures unchanged)

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 12:02:52 +09:00
nyash-codex
231eb6e138 docs(phi-reduction): Add Phase 40/41+ deletion markers to if_phi.rs/conservative.rs 
Phase 35-39整理（B）: ソースコード責務マーキング
- if_phi.rs: Module-level Phase 35-41+ deletion plan added
- if_phi.rs: Function-level markers for Level 2/3 targets
- conservative.rs: Phase 40/41+ deletion plan added

Markers include:
- Deletion phase (40-1/40-2/40-3/40-4, 41+)
- Deletion conditions (prerequisites)
- Replacement path (JoinIR Frontend, JoinIR Verifier)
- Callsites (file:line)
- Reduction effect (line counts)

Effect: Deletion plan visible in code for developers and AI agents

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-28 07:30:01 +09:00
nyash-codex
466e636af6 Span trace utilities and runner source hint 2025-11-24 14:17:02 +09:00
nyash-codex
7812c3d4c1 feat(phi): Phase 25.1 - BTreeMap移行 (21ファイル、80%決定性達成) 
## 修正内容

### Core MIR/PHI (5ファイル)
- builder.rs: variable_map, value_types, value_origin_newbox
- context.rs: 3つのマップ
- loop_builder.rs: 3箇所
- loop_snapshot_manager.rs: snapshot マップ
- loop_snapshot_merge.rs: 2箇所

### MIR関連 (4ファイル)
- function.rs: FunctionMetadata.value_types
- resolver.rs: CalleeResolverBox
- guard.rs: CalleeGuardBox
- loop_common.rs: apply_increment_before_continue

### JSON Bridge (5ファイル)
- json_v0_bridge/lowering.rs
- json_v0_bridge/lowering/expr.rs
- json_v0_bridge/lowering/if_else.rs
- json_v0_bridge/lowering/merge.rs
- json_v0_bridge/lowering/try_catch.rs
- json_v0_bridge/mod.rs

### Printer & Providers (4ファイル)
- printer.rs, printer_helpers.rs
- host_providers/mir_builder.rs
- backend/mir_interpreter/handlers/extern_provider.rs

### Tests (3ファイル)
- phi_core/conservative.rs
- tests/json_program_loop.rs
- tests/mir_stage1_using_resolver_verify.rs (2テスト有効化)

## テスト結果
- mir_stage1_using_resolver_resolve_with_modules_map_verifies: 80%成功率
- 完全な決定性は未達成 (HashMap 86箇所、HashSet 63箇所が残存)

🐱 Generated with Claude Code
 2025-11-22 05:33:40 +09:00
nyash-codex
f9d100ce01 chore: Phase 25.1 完了 - LoopForm v2/Stage1 CLI/環境変数削減 + Phase 26-D からの変更 
Phase 25.1 完了成果:
- ✅ LoopForm v2 テスト・ドキュメント・コメント完備
  - 4ケース（A/B/C/D）完全テストカバレッジ
  - 最小再現ケース作成（SSAバグ調査用）
  - SSOT文書作成（loopform_ssot.md）
  - 全ソースに [LoopForm] コメントタグ追加

- ✅ Stage-1 CLI デバッグ環境構築
  - stage1_cli.hako 実装
  - stage1_bridge.rs ブリッジ実装
  - デバッグツール作成（stage1_debug.sh/stage1_minimal.sh）
  - アーキテクチャ改善提案文書

- ✅ 環境変数削減計画策定
  - 25変数の完全調査・分類
  - 6段階削減ロードマップ（25→5、80%削減）
  - 即時削除可能変数特定（NYASH_CONFIG/NYASH_DEBUG）

Phase 26-D からの累積変更:
- PHI実装改善（ExitPhiBuilder/HeaderPhiBuilder等）
- MIRビルダーリファクタリング
- 型伝播・最適化パス改善
- その他約300ファイルの累積変更

🎯 技術的成果:
- SSAバグ根本原因特定（条件分岐内loop変数変更）
- Region+next_iパターン適用完了（UsingCollectorBox等）
- LoopFormパターン文書化・テスト化完了
- セルフホスティング基盤強化

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: ChatGPT <noreply@openai.com>
Co-Authored-By: Task Assistant <task@anthropic.com>
 2025-11-21 06:25:17 +09:00
nyash-codex
c27981c35a refactor(phi): Phase 25.1q - Conservative PHI strategy unification 
**Changes**:
1. Created phi_core/conservative.rs module
   - ConservativeMerge struct for PHI generation analysis
   - Unified Conservative strategy implementation
   - Box-First theory application

2. Refactored phi.rs merge_modified_vars
   - Use ConservativeMerge::analyze() instead of inline logic
   - Reduced from ~60 lines to ~35 lines (42% reduction)
   - Improved code clarity and maintainability

**Benefits**:
- Centralized Conservative PHI logic (easier to maintain)
- Eliminated duplicate variable union calculation
- Clear separation of concerns (analysis vs execution)
- Foundation for future PhiMergeHelper unification

**Testing**:
✅ mir_stage1_using_resolver_full_collect_entries_verifies passes
✅ Phase 25.1c/k SSA fix preserved
✅ MIR correctness verified

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-19 10:32:16 +09:00