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nyash-codex 6255877e48 Phase 21.4: HC012 Dead Static Box + HC013 Duplicate Method実装完了

## 実装内容

### HC012: Dead Static Box
- 未参照static boxを検出
- IR boxes配列活用、calls情報から参照チェック
- テスト: HC012_dead_static_box/{ok,ng}.hako + expected.json

### HC013: Duplicate Method
- 同名・同arityメソッド重複検出
- Box内でメソッド署名の一意性チェック
- テスト: HC013_duplicate_method/{ok,ng}.hako + expected.json

### 🔥 Critical Bug Fix: parser_core.hako arity計算修正
- **問題**: arityが「カンマの数」を返していた（add(a,b) → 1）
- **修正**: `if any == 1 { arity = arity + 1 }` に変更
- **影響**: 全メソッドのarity計算が正しくなった（HC015等に波及）

### Infrastructure改善
- analysis_consumer.hako: _ensure_array()ヘルパー導入
  - MapBox.get().push()問題の根本解決
  - uses/methods/calls/boxes全てで安全なpush実現
- run_tests.sh: NYASH_JSON_ONLY=1で出力純度確保
- cli.hako: HC012/HC013統合、デバッグ出力追加

## テスト結果
✅ HC011_dead_methods: OK
✅ HC012_dead_static_box: OK
✅ HC013_duplicate_method: OK
✅ HC016_unused_alias: OK
[TEST/SUMMARY] all green

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

Co-Authored-By: Claude <noreply@anthropic.com>

2025-11-08 02:59:54 +09:00

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Hako Check — Diagnostics Contract (MVP)

This tool lints .hako sources and emits diagnostics.

Diagnostics schema (typed)

Map fields:
- rule: string like "HC011"
- message: string (human-readable, one line)
- file: string (path)
- line: int (1-based)
- severity: string ("error"|"warning"|"info"), optional (default: warning)
- quickFix: string, optional

Backwards compatibility

Rules may still out.push("[HCxxx] ...") with a single-line string.
The CLI accepts both forms. String diagnostics are converted to typed internally.

Suppression policy

HC012 (dead static box) takes precedence over HC011 (unreachable method).
If a box is reported by HC012, HC011 diagnostics for methods in that box are suppressed at aggregation.

Quiet / JSON output

When --format json-lsp is used, output is pure JSON (pretty). Combine with NYASH_JSON_ONLY=1 in the runner to avoid extra lines.
Non-JSON formats print human-readable lines per finding.

Planned AST metadata (parser_core.hako)

boxes[].span_line: starting line of the static box declaration.
methods[].arity: parameter count as an integer.
boxes[].is_static: boolean.

Notes

Prefer AST intake; text scans are a minimal fallback.
For tests, use tools/hako_check/run_tests.sh.

1.3 KiB Raw Blame History

Hako Check — Diagnostics Contract (MVP)

1.3 KiB

Raw Blame History