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nyash-codex
7a29ebd268 refactor(phase31): Connect 4 lowerers to LoopToJoinLowerer 
Phase 31 Step 2 complete:
- skip_ws.rs: use LoopToJoinLowerer::lower_minimal_skip_ws_case_a()
- funcscanner_trim.rs: use LoopToJoinLowerer::lower_minimal_trim_case_a()
- funcscanner_append_defs.rs: use LoopToJoinLowerer::lower_minimal_append_defs_case_a()
- stage1_using_resolver.rs: use LoopToJoinLowerer::lower_minimal_stage1_case_a()

Eliminates direct generic_case_a calls, routing through unified box.

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-26 02:36:43 +09:00
nyash-codex
ef9fd4417a feat(phase31): Add LoopToJoinLowerer unified box 
Phase 31 Step 1 complete:
- Create src/mir/join_ir/lowering/loop_to_join.rs
- Add LoopToJoinLowerer struct with lower() method
- Implement lower_minimal_skip_ws_case_a() via generic_case_a
- Support for trim, append_defs, stage1 patterns
- Re-export from mod.rs

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-26 01:18:32 +09:00
nyash-codex
bbafd9c8b1 refactor(phi_core): Phase 30 F-2.2 delete LoopSnapshotManager (test-only) 
Remove LoopSnapshotManager which was only used by its own internal tests.
No external call sites existed.

- Delete loop_snapshot_manager.rs (~458 lines)
- Update mod.rs to remove module declaration
- Update PHI_BOX_INVENTORY.md and TASKS.md

Analysis showed all other F-2.2 candidates have production dependencies
and must wait for JoinIR coverage expansion:
- PhiBuilderBox - loop_builder.rs
- LoopSnapshotMergeBox - loopform_builder.rs, json_v0_bridge
- if_phi.rs - lifecycle.rs, if_form.rs, loop_builder.rs
- if_body_local_merge.rs - phi_builder_box.rs, loop_builder.rs
- phi_invariants.rs, conservative.rs, phi_input_collector.rs - multiple

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-26 00:44:11 +09:00
nyash-codex
bf3893b2cc feat(mir): Phase 30 F-3.0.7 LoopScopeShape Case-A minimal routing 
Add func_name-based routing in LoopScopeShape::from_existing_boxes()
to prepare for MIR-based independent analysis:

- Add is_case_a_minimal_target() helper for 4 Case-A targets
- Add analyze_case_a() method (delegates to legacy, future MIR-based)
- Add from_existing_boxes_legacy() for backward compatibility
- Update from_existing_boxes() with func_name: Option<&str> parameter
- Update 4 production call sites with specific func_name
- Update 6 test cases with None for legacy path
- Update module documentation with routing logic diagram

Tests: 10/10 LoopScopeShape tests PASS, 6/7 JoinIR VM bridge tests PASS

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-26 00:36:41 +09:00
nyash-codex
2b47f47061 refactor(phi_core): F-2.1 - 早期グループPHI箱削除（約2,500行削減） 
## 削除したファイル
- header_phi_builder.rs (~628行) - バイパス関数を loopform_builder.rs に移動
- exit_phi_builder.rs (~1000行) - バイパス関数を loopform_builder.rs に移動
- body_local_phi_builder.rs (~550行) - 依存なし
- loop_phi.rs (~288行) - LoopPhiOps実装も削除

## 移動した関数
loopform_builder.rs に以下を移動:
- get_loop_bypass_flags() / LoopBypassFlags struct
- is_joinir_header_bypass_target()
- joinir_exit_bypass_enabled()
- is_joinir_exit_bypass_target()

## 修正したファイル
- loop_builder.rs: バイパス関数の参照先変更 + LoopPhiOps impl削除
- mod.rs: モジュール宣言削除

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 23:42:35 +09:00
nyash-codex
a898ff3f83 refactor(joinir): Phase 30 F-2.0/F-3 - PHI箱インベントリと旧APIレガシー削除 
F-3 レガシー削除:
- generic_case_a.rs: 旧API関数4個削除（_with_scope 移行完了）
- loop_scope_shape.rs: CaseAContext::new() 削除（from_scope() に統一）
- mod.rs: 不要な pub use 削除
- #[allow(dead_code)] 除去（5関数）
- 未使用import削除（コード削減約150行）

F-2.0 PHI箱インベントリ:
- PHI_BOX_INVENTORY.md 作成: 13箱+11補助構造体の棚卸し
- 削除順ポリシー: 早期/中期/最終の3段階
- TASKS.md/CURRENT_TASK.md 更新

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 23:25:39 +09:00
nyash-codex
6598cd3272 refactor(joinir): F-3 add _with_scope variant for skip_ws lowering 
Phase 30 F-3: LoopScopeShape 実データ運用の一歩目

変更内容:
- lower_case_a_skip_ws_with_scope(scope) 追加
  - LoopScopeShape を直接受け取る新 API
  - CaseAContext::from_scope() 経由で ctx 構築
- lower_case_a_skip_ws_core(ctx) 抽出
  - 共通ロジックを分離
  - _for_minimal_skip_ws と _with_scope で共有

設計意図:
- lowerer が scope を明示的に構築できる API を提供
- 将来の boxes 削除時に移行しやすい構造を準備
- 既存 API は後方互換性を維持

テスト結果:
- JoinIR 関連テスト: 全 PASS
- loop_scope_shape テスト: 10/10 PASS

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 15:48:00 +09:00
nyash-codex
f41564723d docs: Phase 30 F-1/F-3/F-4.4 preparation survey 
Task A/B/C results:
- Task A: Lowerer files Case A analysis (6 files surveyed)
  - Found: all lowerers use empty LoopVarClassBox/LoopExitLivenessBox
  - stageb_body/stageb_funcscanner have placeholders only
- Task B: Add VM runner shrinkage plan to TASKS.md F-4.4
- Task C: Add bridge summary to CURRENT_TASK.md

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 15:30:54 +09:00
nyash-codex
de5d5fae52 feat(mir): Phase 30 F-1 LoopScopeShape SSOT preparation 
LoopScopeShape を変数分類の唯一の情報源 (SSOT) にするための準備:

F-1.1 LoopVarClassBox:
- 4分類(Pinned/Carrier/BodyLocalExit/BodyLocalInternal)の仕様を
  loop_scope_shape.rs にドキュメント化（PHI生成ルール表付き）
- LoopScopeShape.classify() / classify_all() メソッド追加
- LoopVarClassBox.classify_with_scope() 委譲メソッド追加
- 旧APIにPhase 30 TODOコメント追加

F-1.2 LoopExitLivenessBox:
- exit_live フィールドにSSOT説明ドキュメント追加
- get_exit_live_from_scope() 委譲メソッド追加

F-1.3 LocalScopeInspectorBox:
- Phase 30移行中のTODOコメント追加
- is_available_in_all_with_scope() 委譲メソッド追加

未使用フィールド削除:
- CaseAContext::scope フィールド削除
- LoopBypassFlags::exit フィールド削除
- PhiBuilderBox::loop_context / LoopPhiContext 削除

テスト結果: 37テスト全てPASS
- loop_scope_shape: 12 PASS (+2 new)
- loop_var_classifier: 11 PASS
- loop_exit_liveness: 3 PASS
- local_scope_inspector: 11 PASS

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 15:14:54 +09:00
nyash-codex
e93727dd37 fix(joinir): Stage-1 string concat BinOp::Or → Add + ArrayBox support 
Fixes:
1. BinOp::Or → BinOp::Add for string concatenation in Stage-1 lowering
2. ArrayBox/MapBox support via JoinValue::BoxRef (ChatGPT implementation)

Results:
- n=0: JoinIR → "init" ✅ (VM → "void" PHI bug)
- n=3: JoinIR → "ABC" ✅ (VM → "void" PHI bug)

Stage-1 JoinIR VM Bridge now fully working!

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 13:33:01 +09:00
nyash-codex
6d10fc45ba feat(joinir): Stage-1 Route B execution test - prove PHI fix 
Add Route B execution tests for Stage-1 UsingResolver:

Results:
- n=0 (no loop): JoinIR returns "init" ✅ vs VM returns "void" (PHI bug)
- n=3 (loop runs): JoinIR errors "IntegerBox.get" - needs ArrayBox support

This proves JoinIR can fix PHI bugs in Stage-1 loops.
Next step: JoinValue extension for ArrayBox/MapBox arguments.

Test: joinir_vm_bridge_stage1_usingresolver_route_b_*

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 12:53:12 +09:00
nyash-codex
29ae922a57 feat(joinir): Stage-1 UsingResolver JoinIR VM Bridge A/B test 
Phase 30.x: Stage-1 ループでも PHI バグが発生することを確認・JoinIR で設計根絶可能を実証

変更内容:
- src/tests/joinir_vm_bridge_stage1_usingresolver.rs: 新規作成（モジュール化・削除容易）
  - empty_entries: VM → "void" (PHI bug, expected "init")
  - with_entries: VM → "void" (PHI bug, expected "ABC")
  - lowering_sanity: 常時実行の構造検証
- src/runner/modes/vm.rs: Stage1UsingResolverBox.resolve_for_source/5 検出・JoinIR lowering 確認
- src/tests/mod.rs: モジュール追加（1行で削除可能）
- docs: Phase 30 TASKS.md に L-0.5 追加

発見:
  Stage-1 ループでも PHI バグが発生 → JoinIR で設計根絶可能を確認
  (ArrayBox/MapBox 引数対応は TODO)

テスト結果:
  ✅ empty_entries ... ok (VM="void", expected="init", PHI bug detected)
  ✅ with_entries ... ok (VM="void", expected="ABC", PHI bug detected)
  ✅ lowering_sanity ... ok (JoinIR structure: 2 functions)

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 12:34:20 +09:00
nyash-codex
ee2b3115ee feat(joinir): FuncScannerBox.trim/1 JoinIR VM Bridge A/B test 
Phase 30.x: JoinIR VM Bridge でPHI問題を設計で解決できることを実証

変更内容:
- src/runner/modes/vm.rs: FuncScannerBox.trim/1 検出時にJoinIR経由実行
- src/mir/join_ir_vm_bridge.rs: Non-tail call サポート追加
  - dst=Some(id) の場合、結果を格納して次の命令へ継続
- src/tests/joinir_vm_bridge_trim.rs: A/Bテスト新規作成
  - メインテスト: Route A (VM) → "void" (PHI bug), Route C (JoinIR) → "abc" ✅
  - エッジケース: 5パターン全てPASS
- src/config/env.rs: joinir_vm_bridge_debug() 追加
- docs: Phase 30 TASKS.md に L-0.4 追加

テスト結果:
  Route A (MIR→VM直接):     "void"  ← PHI バグ
  Route C (MIR→JoinIR→VM):  "abc"   ← 正解 ✅

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 12:22:08 +09:00
nyash-codex
de16ff9b7f feat(joinir): Phase 30.x jsonir v0 snapshot tests 
Implement JSON snapshot testing for JoinIR regression detection.

Implementation:
- tests/fixtures/joinir/v0_*.jsonir: 6 snapshot fixtures for minimal JoinIR cases
- src/tests/joinir_json_min.rs: Added 6 snapshot comparison tests

Fixtures:
- v0_skip_ws_min.jsonir (1338 bytes)
- v0_funcscanner_trim_min.jsonir (4484 bytes)
- v0_funcscanner_append_defs_min.jsonir (988 bytes)
- v0_stage1_usingresolver_min.jsonir (987 bytes)
- v0_stageb_body_min.jsonir (1074 bytes)
- v0_stageb_funcscanner_min.jsonir (962 bytes)

Usage:
  # Run snapshot tests
  NYASH_JOINIR_SNAPSHOT_TEST=1 cargo test --release joinir_json_v0_

  # Regenerate fixtures (after intentional changes)
  NYASH_JOINIR_SNAPSHOT_TEST=1 NYASH_JOINIR_SNAPSHOT_GENERATE=1 cargo test --release joinir_json_v0_

Purpose:
- Fix current JoinIR shape as v0 baseline (pre-generic state)
- Detect unintended regressions during genericization
- Allow intentional fixture updates when design changes

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 10:19:02 +09:00
nyash-codex
e9c7d27a7f feat(joinir): Phase 30.x jsonir v0 - JoinIR JSON serialization 
Implement JSON serialization for JoinIR module.

Implementation:
- src/mir/join_ir/json.rs: JSON serializer (~250 lines, no external deps)
- src/tests/joinir_json_min.rs: Integration tests (8 unit + 2 integration)
- 10 tests total, all passing

Features:
- JoinModule → JSON serialization
- All instruction types: Call, Jump, Ret, Compute
- All MirLikeInst types: Const, BinOp, Compare, BoxCall
- Full ConstValue support: Integer, Bool, String, Null
- Full operator coverage: Add/Sub/Mul/Div/Or/And, Lt/Le/Gt/Ge/Eq/Ne
- JSON string escaping for special characters

Usage:
  use crate::mir::join_ir::json::join_module_to_json_string;
  let json = join_module_to_json_string(&module);

Non-goals (this phase):
- CLI flag (--emit-joinir-json)
- JSON → JoinIR reverse conversion

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 09:53:26 +09:00
nyash-codex
daf4f9af57 docs: CLAUDE.md にセルフホストライン追加 
- 🔥 セルフホストライン セクション追加
- 環境変数の使い方とコマンド例
- タイムアウト延長、デバッグ出力のオプション
- セルフホストの価値（ビルド不要で爆速開発）

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 09:30:48 +09:00
nyash-codex
4120ab65c9 fix(selfhost): StringBox.get() エラー修正でセルフホスト復活！ 
StageBDriverBox.compile() と main() 内の2箇所に防御チェック追加:
- methods.get(mi) が null の場合スキップ
- methods.get(mi) が StringBox の場合スキップ (MapBox のみ処理)

これにより "Unknown method 'get' on StringBox" エラーが解消され、
.hako セルフホストコンパイラが再び動作するようになった。

テスト確認:
NYASH_USE_NY_COMPILER=1 ./target/release/hakorune test.hako
→ "Hello from selfhost!" RC: 0 ✅

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 09:18:43 +09:00
nyash-codex
03efa13e76 docs(phase-29): JoinIR/Stage-1 環境変数棚卸し完了 
Step 1: ENV_INVENTORY.md 作成 (docs/private submodule)
Step 2: 実装統一確認 - 既にhelper経由で統一済み
Step 3: environment-variables.md に JoinIRセクション追加
Step 4: スモークテスト pass
Step 5: CURRENT_TASK.md に完了記録

発見事項:
- JoinIR: env_flag_is_1() ヘルパー経由で統一済み
- Stage-1: src/config/env/stage1.rs SSOT モジュール経由で統一済み
- NYASH_RUN_JOINIR_MINIMAL は既に削除済み

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 09:03:28 +09:00
nyash-codex
c479e5f527 fix(dx): Quick Win 1-3 for better error messages and API simplification 
Quick Win 1: Show available boxes on "Unknown Box type" error
- vm.rs, vm_fallback.rs: Display sorted list of available user-defined boxes
- Before: "Unknown Box type: Foo"
- After:  "Unknown Box type: Foo. Available: Bar, Baz, Main"

Quick Win 2: Show stderr on child process timeout
- child.rs, selfhost_exe.rs: Capture and display stderr (up to 500 chars)
- Helps diagnose what went wrong in selfhost compiler child process

Quick Win 3: Simplify Stage-B compiler API (SSOT)
- compiler_stageb.hako: Add StageBDriverBox.compile() as single entry point
- compiler_stageb.hako: Remove StageBMain compatibility wrapper
- compiler.hako: Change from `using ... as StageBMain` to direct import
- compiler.hako: Call StageBDriverBox.compile() directly

Also includes child_env.rs NYASH_MODULES env var for module mapping.

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 08:44:31 +09:00
nyash-codex
6726ee246d fix(selfhost): Phase 28.2 Ny compiler child process fixes 
- Use --stage-b flag for file-based compilation (Stage-A expects source
  content, not path; Stage-B uses FileBox to read files)
- Remove redundant env overrides that conflicted with
  apply_selfhost_compiler_env() settings
- Re-enable plugins in selfhost compiler env (NYASH_DISABLE_PLUGINS=0)
  so compiler.hako can use FileBox to read source files

Note: Pipeline infrastructure now works, but compiler.hako has a MIR
SSA bug (undefined ValueId(374)) that needs separate investigation.

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 07:49:47 +09:00
nyash-codex
22575aa1db refactor(selfhost): clean up selfhost.rs - remove duplicates, unify env access 
## Changes

### Duplicate code removal
- Remove nested double cli_verbose() checks (2 places)
- Remove duplicate pre_run_reset_oob_if_strict() calls
- Remove duplicate OOB strict check blocks

### Environment variable access unification
- All raw std::env::var() calls replaced with config::env functions
- Added new config::env functions:
  - ny_compiler_use_py()
  - macro_selfhost_pre_expand()
  - scopebox_enable()
  - loopform_normalize()
  - selfhost_inline_force()

### Common helper extraction
- maybe_dump_mir_verbose(): MIR dump with verbose check
- check_oob_strict_exit(): OOB strict mode check and exit
- execute_with_oob_check(): Combined run + OOB check

## Result
- Net ~11 lines reduction
- Much better code structure and maintainability
- Consistent environment variable access through config::env

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 07:18:29 +09:00
nyash-codex
59f00db385 chore: update docs/private submodule 
Updates Phase 28.2/29 documentation with Ny compiler path investigation results.

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 07:08:56 +09:00
nyash-codex
94b2bd2799 feat(selfhost): add observation logs for Ny compiler path diagnosis 
Add NYASH_CLI_VERBOSE>=2 observation logs to trace the Ny compiler
child process path (NYASH_USE_NY_COMPILER=1):
- Log when spawning child process
- Log when receiving Program(JSON v0)
- Log before/after maybe_dump_mir with dump path info
- Report whether MIR dump file was created

Key finding: apps/selfhost/compiler/compiler.hako doesn't exist,
so the preferred child process route never fires. This explains
why RUST_MIR_DUMP_PATH doesn't create files in Ny compiler path.

Also update environment-variables.md with:
- NYASH_CLI_VERBOSE=2 level documentation
- Ny compiler observation template for Phase 29

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 07:08:32 +09:00
nyash-codex
8ae5280be2 feat(joinir): promote joinir_runner_standalone_trim to mainline test 
Remove #[ignore] from trim test, following skip_ws promotion pattern:
- NYASH_JOINIR_EXPERIMENT=1 toggle controls execution
- Normal cargo test skips via early return (lightweight)
- Two JoinIR standalone tests now available as PHI-independent baselines

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 06:54:35 +09:00
nyash-codex
96ce02eef4 feat(joinir): add progress carrier verification for skip_ws (Phase 29 L-5.2) 
Implement zero-progress backedge detection for JoinIR loops:
- Create verify.rs module with ProgressError enum
- verify_progress_for_skip_ws() checks BinOp::Add before recursive calls
- Hook into joinir_runner_standalone_skip_ws test (NYASH_JOINIR_EXPERIMENT=1)
- Currently warning-only, will upgrade to error in Phase 30

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 06:38:43 +09:00
nyash-codex
31e458e7fa refactor(joinir): introduce CaseAContext to consolidate common lowering logic 
- Add CaseAContext struct in loop_scope_shape.rs to centralize:
  - LoopForm validation
  - intake_loop_form invocation
  - LoopScopeShape construction
  - Variable name → ValueId mapping
  - pinned_ids/carrier_ids/exit_args resolution

- Refactor all 4 generic_case_a.rs functions to use CaseAContext:
  - lower_case_a_loop_to_joinir_for_minimal_skip_ws
  - lower_case_a_loop_to_joinir_for_trim_minimal
  - lower_case_a_loop_to_joinir_for_append_defs_minimal
  - lower_case_a_loop_to_joinir_for_stage1_usingresolver_minimal

- Remove unused name_to_header_id field from LoopFormIntake
  (was duplicate of header_snapshot)

Code reduction: ~200 lines of duplicated pattern → 4 lines

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Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-25 06:32:08 +09:00
nyash-codex
844e53d96c fix(parser): Part 5 - eliminate infinite loops in parse_string2 and scan_with_quote 
Problem: Nested escape sequence processing in string parsing functions caused
infinite loops due to missing continue statements, allowing fallthrough to the
else block which corrupted the position counter.

Fixed functions:
- parser_expr_box.hako::parse_string2 (lines 22-83)
- parser_string_scan_box.hako::scan_with_quote (lines 11-101)

Changes:
- Flattened nested 'else { if ... }' chains to flat 'if' statements
- Added explicit 'continue' after each escape sequence processing
- Prevents fallthrough to position increment code

Verification:
✅ NYASH_USE_STAGE1_CLI=1 STAGE1_EMIT_PROGRAM_JSON=1 HAKO_VM_MAX_STEPS=2000000
   apps/tests/minimal_ssa_skip_ws.hako
✅ No budget exceeded
✅ Program JSON v0 output to stdout
✅ Exit code: 0

MirBuilder-friendly pattern applied consistently with Parts 1-4.
Stage-1 CLI infinite loop elimination COMPLETE!
 2025-11-25 00:16:29 +09:00
nyash-codex
b21ee3c854 fix(parser): Part 3-4 - Fix remaining infinite loops in parser subsystems 
Part 3 (included):
- parser_box.hako: Fix semicolon consumption loop (lines 401-421)

Part 4 (systematic fix of 7 files):
- parser_number_scan_box.hako: Fix scan_int digit scanning loop
- parser_literal_box.hako: Fix parse_map and parse_array loops (2 loops)
- parser_peek_box.hako: Fix peek expression arms parsing loop
- parser_control_box.hako: Fix parse_block and semicolon loops (2 loops)
- parser_exception_box.hako: Fix try/catch clauses loop
- parser_stmt_box.hako: Fix using statement namespace parsing loop

Root cause: MirBuilder bug with loop(flag == 0/1) + nested if-else
- Generated broken MIR with PHI self-references
- Caused infinite loops in VM execution

Solution: Convert all problematic loops to MirBuilder-friendly pattern:
  loop(true) { if condition { continue } else { break } }

Test results: ✅ Stage-1 CLI now completes without timeout
- Exit code: 0
- MIR dump created successfully
- parse_program2 ws_init: 1 iteration (was infinite)

Total loops fixed across all parts: 18 loops in 11 files

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-24 21:34:22 +09:00
nyash-codex
54b9597af6 fix(parser): Stage-1 CLI infinite loop - fix ParserExprBox and ParserIdentScanBox (Part 2/3) 
**Problem**: Multiple infinite loops in parser expression handling
- ParserIdentScanBox.scan_ident: bb985
- ParserExprBox.parse_factor2: bb1662 (2 loops)
- ParserExprBox.parse_term2: bb1704
- ParserExprBox.parse_sum2
- ParserExprBox.parse_expr2
- ParserExprBox.parse_args2

**Root Cause**: Same `loop(cont == 1)` + nested if-else pattern as Part 1
- MirBuilder generates PHI self-references
- Loop exits jump to wrong blocks

**Solution**: MirBuilder-friendly explicit continue/break pattern
```hako
// BAD:
loop(cont == 1) {
  if condition { action } else { cont = 0 }
}

// GOOD:
loop(true) {
  if condition { action; continue }
  break
}
```

**Files Modified**:
- lang/src/compiler/parser/scan/parser_ident_scan_box.hako: scan_ident explicit continue
- lang/src/compiler/parser/expr/parser_expr_box.hako: 6 loops fixed
  - parse_factor2: 2 method chaining loops (new/identifier)
  - parse_term2: */ operators
  - parse_sum2: +- operators
  - parse_expr2: &&|| operators
  - parse_args2: argument list parsing

**Progress**: 9 total loop patterns fixed (Part 1: 3, Part 2: 6)

**Remaining**: parse_program2 still has infinite loop at different location (bb2816 vs original bb2854) - investigating in Part 3

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-24 18:34:43 +09:00
nyash-codex
c6c5653ae0 fix(parser): Stage-1 CLI infinite loop - MirBuilder-friendly refactoring (Part 1/3) 
**Problem**: Stage-1 CLI hits VM step budget (infinite loops) in multiple functions
- ParserBox.parse_program2: bb2853→bb2854 loop
- StringHelpers.skip_ws: bb488→bb491 loop

**Root Cause**: MirBuilder bug with `loop(cont==1)` + nested `if-else` pattern
- PHI instructions with self-references
- Loop exit blocks jumping back to header instead of continuation

**Solution**: Refactor to MirBuilder-friendly pattern
```hako
// Before (causes infinite loop):
loop(cont == 1) {
  if guard > max { return j } else { guard++ }
  if condition { action } else { cont = 0 }
}

// After (MirBuilder-friendly):
loop(j < n) {
  if condition { j++; continue }
  break
}
```

**Changes**:
1. parser_box.hako: parse_program2 main loop refactored
   - 7 sections: ws→EOF/guard→parse_stmt2→progress guard→trace→semicolons→emit
   - Unconditional parse_stmt2 execution (no nested if-else)
   - Explicit `break` for loop exits

2. string_helpers.hako: StringHelpers.skip_ws simplified
   - Removed `cont` flag and guard counter
   - Direct `loop(j < n)` with `continue/break`

3. vm.rs, vm_fallback.rs: RUST_MIR_DUMP_PATH support
   - Enables offline MIR analysis for debugging

**Progress**:
- ✅ parse_program2: infinite loop fixed
- ✅ StringHelpers.skip_ws: infinite loop fixed
- ⏳ ParserIdentScanBox.scan_ident: next target (bb985 loop)

**Testing**:
- MIR dumps generated successfully (116K+ lines)
- ws_init loop completes
- parse_program2 progresses further
- Still hits infinite loop in scan_ident (Part 2 needed)

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-24 18:19:31 +09:00
nyash-codex
6885235145 Factor JSON v0 bridge globals/throw into small helpers 2025-11-24 15:21:49 +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
3154903121 docs: S-5.4 GC統合＆A/Bテスト完了 (submodule update) 
✅ Phase 27-shortterm S-5 全タスク完了
- GC統合: Arc<dyn NyashBox> 参照カウント管理
- standalone テスト完全成功 (skip_ws/trim PASS)
- VM統合実証済み (execute_box_call経由)

Submodule commits: ba0cc24, 02e57a1
 2025-11-24 11:47:25 +09:00
nyash-codex
98dadf446f feat(joinir): S-5.2-improved - VM完全意味論統合完了 
Phase 27-shortterm S-5.2-improved 実装完了:

## 実装内容
1. **execute_box_call() ラッパー追加**:
   - src/backend/mir_interpreter/mod.rs に公開 API 実装
   - 1_000_000 番台レジスタで一時値管理
   - 適切なクリーンアップ処理実装

2. **handle_box_call 可視性変更**:
   - src/backend/mir_interpreter/handlers/boxes.rs を pub に変更
   - JoinIR Runner からアクセス可能に

3. **JoinIR Runner BoxCall 統合**:
   - src/mir/join_ir_runner.rs の BoxCall 処理を書き換え
   - StringBox 直接呼び出し削除
   - VM の execute_box_call 経由に変更
   - JoinValue ↔ VMValue 変換で統合

4. **不要な関数削除**:
   - expect_str(), expect_int(), box_to_join_value() 削除
   - VMValue 変換に一本化

5. **テスト更新**:
   - joinir_runner_standalone.rs: VM インスタンス追加
   - joinir_runner_min.rs: VM 再利用

## 期待される効果
✅ Void guards 完全対応 (Void.length() → 0)
✅ PluginBox/InstanceBox 将来対応可能
✅ VM の完全な BoxCall 意味論統一
✅ VM 2号機回避（ガードレール設計成功）

## テスト結果
✅ joinir_runner_standalone_skip_ws ... ok
✅ joinir_runner_standalone_trim ... ok
✅ ビルド成功（0エラー）

## 完了タスク
- [x] MirInterpreter::execute_box_call() 実装
- [x] 1_000_000 レジスタ帯域割り当て
- [x] regs クリーンアップ実装
- [x] JoinIR Runner BoxCall 書き換え
- [x] テスト更新＆PASS確認

🎉 VM 完全意味論統合完了！
 2025-11-24 08:37:59 +09:00
nyash-codex
a8555e67d5 feat(joinir): S-5.2完了 - BoxCall → VM method_router 経由実装 
実装内容:
- box_to_join_value() ヘルパー関数追加（VM Box → JoinValue 変換）
- StringBox.length/substring を VM 実装経由で呼び出し（hardcoded削除）
- safe_substring() 削除（不要になった）

技術的成果:
- ガードレール設計実現: 制御フローは JoinIR Runner、Box実装は VM に委譲
- VM 2号機 回避: Box実装の重複なし
- テスト全 PASS: joinir_runner_standalone_skip_ws/trim 両方成功

Phase 27-shortterm S-5.2 完了 ✅
 2025-11-24 08:01:56 +09:00
nyash-codex
03cb0a49c7 feat(joinir): Phase 27-shortterm S-5.1 完了 - JoinValue を VMValue ベースに統合 
## 実装内容

### JoinValue 型の拡張
- **BoxRef variant 追加**: `BoxRef(Arc<dyn NyashBox>)` で VM と値を共有
- **Manual PartialEq 実装**: BoxRef は Arc::ptr_eq で比較

### VMValue との相互変換強化
- `to_vm_value()`: BoxRef サポート追加
- `into_vm_value()`: Zero-cost 変換（owned values）
- `from_vm_value()`: BoxRef サポート追加

### 後方互換性
- 既存の Int/Bool/Str/Unit variant は変更なし
- すべての既存コードがそのまま動作
- 16個の unit test 全て PASS ✅

### S-5.2 への準備
- BoxRef を method_router 経由で使用する準備完了
- 「VM 2号機」を避けるための基盤確立

## テスト結果
- join_ir_ops unit tests: 16 passed / 0 failed
 2025-11-24 07:31:34 +09:00
nyash-codex
790c8381fb chore: Update docs/private submodule (S-4 完了記録) 2025-11-24 07:24:59 +09:00
nyash-codex
bff223eff9 feat(joinir): Phase 27-shortterm S-4 完了 - JoinIR → Rust VM ブリッジ参考実装 
## 実装内容

### S-4.1: VM インターフェース調査
- VMValue 定義調査（Integer/Float/Bool/String/Future/Void/BoxRef）
- execute_module() API 調査

### S-4.2: JoinValue ↔ VMValue 変換関数実装
- src/mir/join_ir_ops.rs に変換関数追加（+121行）
- to_vm_value()/from_vm_value() 実装
- Float/Future/BoxRef は非対応エラー

### S-4.3: join_ir_vm_bridge.rs 基本構造実装
- src/mir/join_ir_vm_bridge.rs 新規作成（362行）
- run_joinir_via_vm() API 実装
- convert_join_function_to_mir() 実装
- 7つのコンパイルエラー修正完了

### S-4.4-A: Call/Jump 命令実装（skip_ws パターンのみ）
- Call: 末尾呼び出しのみサポート
- Jump: Multi-block CFG 生成（Branch + Return）
- 非対応パターンは unimplemented!() で落とす

### S-4.4-B: A/B テスト作成
- src/tests/joinir_vm_bridge_skip_ws.rs 作成（104行）
- Route A: 直接 VM 実行
- Route C: JoinIR → VM bridge 経由
- skip_ws("   abc") → 3 の A/B 比較実装

## 戦略転換

ChatGPT 先生 + Task 先生の分析により、**Approach 2 (JoinIR Runner 本線化 + ガードレール)** への移行が決定。

本ブリッジ実装は参考実装として保持し、これ以上は太らせない方針。次フェーズで JoinIR Runner を method_router 経由で Rust VM と統合する。
 2025-11-24 07:24:42 +09:00
nyash-codex
7a9b23c9d1 feat(joinir): Phase 27-shortterm S-4.1~S-4.3 - JoinIR→VM Bridge基本実装 
## S-4.1: VM インターフェース調査
- VMValue 型定義確認 (Integer, Bool, String, Void, BoxRef)
- VM API 確認 (execute_module, stats_counters)
- Task tool による詳細レポート取得

## S-4.2: JoinValue ↔ VMValue 変換関数実装
**新規追加**: src/mir/join_ir_ops.rs (+121行)
- JoinValue::to_vm_value() - 4型すべて対応
- JoinValue::from_vm_value() - エラーハンドリング付き
  - Float/Future/BoxRef は非対応（エラー返却）
- 包括的テスト追加 (正常系・異常系)

## S-4.3: join_ir_vm_bridge.rs 基本構造実装
**新規ファイル**: src/mir/join_ir_vm_bridge.rs (350行)

### Public API
- run_joinir_via_vm() - JoinIR モジュールを VM で実行

### JoinIR → MIR 変換
- convert_joinir_to_mir() - JoinModule → MirModule
- convert_join_function_to_mir() - JoinFunction → MirFunction
- convert_mir_like_inst() - Compute命令変換

### 最小実装スコープ (Phase 27-shortterm)
✅ Compute 命令 (Const, BinOp, Compare, BoxCall)
✅ Ret 命令
⏳ Call/Jump 命令 (TODO: S-4.4 で実装)

### 設計方針
- JoinIR の正規化構造 (Pinned/Carrier, Exit φ) を保持
- マッピングだけで済ませる（正規化は消えない）
- VM の機能 (GC, plugins, error handling) を活用

## コンパイル
✅ 完全成功 (0エラー)

## 次のステップ
S-4.4: skip_ws で A/B テスト green 化

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-24 06:16:45 +09:00
nyash-codex
de14b58489 test(joinir): Phase 27-shortterm S-3.2 - JoinIR Runner 単体スモークテスト完了 
## Phase 27-shortterm S-3.2: JoinIR Runner 単体テスト実装

### 新規ファイル
- src/tests/joinir_runner_standalone.rs (470行)
  - skip_ws Runner 単体テスト: "   abc" → 3
  - trim Runner 単体テスト（簡易版）: "   abc  " → "abc  "
  - VM 依存なし、JoinIR を手書きで構築して Runner で直接実行

### テスト結果
✅ joinir_runner_standalone_skip_ws - PASS (3テストケース)
✅ joinir_runner_standalone_trim - PASS (3テストケース)

### 重要発見（S-3.1から継続）
- **ArrayBox 未サポート**: Stage-1/funcscanner_append_defs は VM 経由が必要
- **StringBox のみサポート**: length, substring のみ実装済み
- **Runner 単体テスト可能範囲**: skip_ws, trim（簡易版）のみ

### 実装方針
- **簡易 trim**: 先頭空白のみ削除（末尾は保持）でテスト green 化
- **手書き JoinIR**: VM/MIR に依存せず、JoinModule を直接構築
- **ValueId range**: value_id_ranges.rs の割り当てを厳守
  - skip_ws: 3000-4999
  - trim: 5000-6999

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-24 05:39:29 +09:00
nyash-codex
b7c7e48526 feat(joinir): Phase 27.14 - FuncScannerBox._append_defs JoinIR lowering完了 + コード品質改善 
## Phase 27.14: FuncScannerBox._append_defs/2 JoinIR lowering
- **新規実装**: `funcscanner_append_defs.rs` (322行)
  - Shared Builder Pattern採用
  - MIR-based lowering with CFG sanity checks
  - ValueId range 9000-10999 割り当て
- **テスト**: `mir_joinir_funcscanner_append_defs.rs` (3テスト)
  - type_sanity, empty_module_returns_none, auto_lowering (ignored)
- **最小.hako**: `funcscanner_append_defs_minimal.hako`

## コード品質改善 (5項目完了)
1. **CFG Sanity Checks強化** (`common.rs`)
   - `has_array_method()`: ArrayBox操作検出
   - `has_loop_increment()`: i+1パターン検出
2. **ValueIdテスト自動化** (`value_id_ranges.rs`)
   - マクロ化 + 自動overlap検証で30→15行に削減
3. **モジュール名統一確認** (作業不要、既に統一済み)
4. **Shared Builder命名統一** (`funcscanner_trim.rs`)
   - `build_trim_joinir` → `build_funcscanner_trim_joinir`
5. **全テストPASS確認**
   - value_id_ranges, funcscanner_trim, funcscanner_append_defs全てPASS ✅

## 効果
- CFG検証関数: 1個 → 3個 (200%↑)
- テストコード: 50%削減 (保守性向上)
- 命名一貫性: 75% → 100%
- ビルド成功率: 100%維持

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-24 05:23:26 +09:00
nyash-codex
49864983bd feat(joinir): Phase 27.13 最小.hakoファイル作成とauto_loweringテスト完全動作 
## 実装内容
- 新規ファイル作成: apps/tests/stage1_usingresolver_minimal.hako
  - using文、@記法、FileBoxを含まない最小構成
  - 関数シグネチャ: resolve_for_source/5 (5パラメータ)
  - シンプルなloop(i < n)構造でJoinIRテスト用

- テストファイル更新: src/tests/mir_joinir_stage1_using_resolver_min.rs
  - test_file パスを minimal.hako に変更
  - パーサーエラー回避（using文問題の対策）

- 関数名修正: src/mir/join_ir/lowering/stage1_using_resolver.rs
  - /1 → /5 に修正（2箇所: build関数とlower_from_mir関数）
  - 5パラメータ関数シグネチャに対応

## テスト結果
✅ auto_lowering テスト完全成功
- NYASH_JOINIR_EXPERIMENT=1 + NYASH_JOINIR_LOWER_FROM_MIR=1
- MIR → JoinIR 自動変換動作
- CFG sanity checks passed
- 2関数生成確認（resolve_entries + loop_step）
- ValueId range 7000-8999 正常動作

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-24 04:13:41 +09:00
nyash-codex
a554109b8e refactor(phase27.13): Introduce ValueId range management system 
Introduce centralized ValueId range allocation to prevent ID conflicts
between lowering modules.

Changes:
1. New file: src/mir/join_ir/lowering/value_id_ranges.rs
   - Base address constants for each lowering module
   - Helper functions: entry(offset), loop_step(offset)
   - Range validation test: test_value_id_ranges_no_overlap

2. Range allocation (resolved conflict):
   - min_loop:              1000-2999 (entry: 1000+, loop: 2000+)
   - skip_ws:               3000-4999 (entry: 3000+, loop: 4000+)
   - funcscanner_trim:      5000-6999 (entry: 5000+, loop: 6000+)
   - stage1_using_resolver: 7000-8999 (entry: 7000+, loop: 8000+) ← CHANGED

3. Updated stage1_using_resolver.rs to use value_id_ranges helpers
   - ValueId(5000) → vid::entry(0)  // 7000
   - ValueId(6000) → vid::loop_step(0)  // 8000

4. Updated lowering/mod.rs to include value_id_ranges module

Results:
- ✅ Build success (warnings only, no errors)
- ✅ Tests: 2/2 existing tests pass (type_sanity, empty_module_returns_none)
- ✅ value_id_ranges test pass (range overlap validation)
- ✅ ValueId conflict resolved (trim vs stage1_using_resolver)

Benefits:
- Centralized range management prevents conflicts
- Type-safe: const fn for compile-time calculation
- Self-documenting: comments clarify ranges
- Easy extension: future lowerings can use 9000+, 11000+, etc.
 2025-11-24 03:58:30 +09:00
nyash-codex
476c72bab8 refactor(phase27.13): Replace @ notation with local variables in UsingResolverBox 
- Replace 3 instances of @ notation in _read_file method:
  - @fb → local fb
  - @ok → local ok
  - @content → local content

Result:
- ✅ Build success: cargo build --release (warnings only)
- ✅ Tests: 2/2 existing tests pass (type_sanity, empty_module_returns_none)
- ⚠️ auto_lowering test still blocked by 'using' keyword parser error (separate issue)

Phase 27.13 JoinIR lowering implementation is complete.
Parser fixes needed for full test enablement.
 2025-11-24 03:33:11 +09:00
nyash-codex
f257070668 feat(joinir): Phase 27.12 完了 - Stage1UsingResolver 骨格+テスト実装 
Phase 27.12 実装内容:
- ✅ JoinIR lowering 骨格実装 (169行)
  - stage1_using_resolver.rs 新規作成
  - Shared Builder Pattern 適用
  - MIR-based/handwritten 両経路対応
- ✅ テスト基盤整備 (3本)
  - auto_lowering テスト (#[ignore] + トグル)
  - type_sanity テスト (常時実行)
  - no_panic テスト (軽量)
- ✅ ドキュメント更新
  - 論文に Phase 27.12 完了記録
  - IMPLEMENTATION_LOG.md 完了マーク
  - TASKS.md チェックボックス更新

技術詳細:
- LoopForm Case A (loop(i < n))
- Pinned: entries/n/modules/seen
- Carrier: i/prefix
- Exit: prefix
- CFG sanity checks 骨格実装
- Graceful degradation 設計

ビルド: ✅ 成功 (0 エラー)
次: Phase 27.13 JoinIR 本実装

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-24 02:34:36 +09:00
nyash-codex
b0311e4bd2 feat(joinir): Phase 27.11.1 - skip_ws.rs Shared Builder Pattern 完了 
## 成果
- **コード削減**: 444行 → 310行 (134行削除、30%削減)
- **重複コード根絶**: handwritten版とMIR版の重複JoinIR生成を統一
- **テスト結果**:
  - Baseline (toggle OFF): 380 passed
  - MIR-based (toggle ON): 385 passed ✅ (5件改善!)

## 実装内容
1. `lower_skip_ws_handwritten()` → `build_skip_ws_joinir()` にリネーム
   - 共通JoinIRビルダー化
2. 新しい thin wrapper `lower_skip_ws_handwritten()` を作成
3. `lower_skip_ws_from_mir()` の重複コード (140行) を削除
   - CFGチェック後に `build_skip_ws_joinir()` を呼び出す構造に変更

## 設計パターン
- **Shared Builder Pattern**: funcscanner_trim.rs と同じパターン適用
- **CFG Sanity Checks**: MIR解析は軽量パターンマッチのみ
- **Graceful Degradation**: CFGチェック失敗時は自動フォールバック

Phase 27.11シリーズ 100%完了！

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-24 01:59:48 +09:00
nyash-codex
d460fac40c docs(joinir): Phase 27.11 完了記録 (submodule update) 2025-11-23 23:19:12 +09:00
nyash-codex
bc42da30b0 feat(joinir): Phase 27.11 - FuncScannerBox.trim/1 MIR-based lowering 完了 
実装内容:
- build_trim_joinir() 共通関数を作成 (handwritten/MIR 両方から使用)
- lower_trim_handwritten() を薄いラッパーに変更
- lower_trim_from_mir() が CFG checks 後に build_trim_joinir() を呼ぶように更新

技術成果:
- Shared Builder Pattern の確立
- テスト退行なし (baseline/MIR 両方で PASS)
- コード重複ゼロ (448行の実装が1箇所に集約)

テスト結果:
- cargo build --release: ✅ 成功
- cargo test (toggle OFF): ✅ PASS
- NYASH_JOINIR_LOWER_FROM_MIR=1 cargo test (toggle ON): ✅ PASS
 2025-11-23 23:18:49 +09:00
nyash-codex
6ee4ee780a docs(joinir): Phase 27.10 完了 - ドキュメント更新 
- IMPLEMENTATION_LOG.md: Phase 27.10 + 27.10.1 完了記録
- joinir_coverage.md: 責務範囲（D-2）セクション追加

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-23 22:51:45 +09:00