tomoaki
4496b6243d
feat(joinir): Phase 259 P0 complete - Pattern8 final fixes + docs (pre-block-params migration)
Phase 259 P0: Pattern8 (BoolPredicateScan) 完全完了
is_integer/1 を Pattern8 で受理し、VM/LLVM EXE 両方で動作確認完了。
次の大工事(block-parameterized CFG への移行)前のマイルストーンとして記録。
## Key Fixes Applied
1. **skipped_entry_redirects** (instruction_rewriter.rs)
- k_exit のスキップ時、entry block 参照を exit_block_id へリダイレクト
- BasicBlockId not found エラーを根治
2. **loop_var_name** (pattern8_scan_bool_predicate.rs)
- merge_entry_block 選択に使用(`Some(parts.loop_var.clone())`)
- 未設定時の誤った entry block 選択を修正
3. **loop_invariants** (pattern8_scan_bool_predicate.rs)
- PHI-free 不変量パラメータ(`[(me, me_host), (s, s_host)]`)
- loop_var_name 設定時、BoundaryInjector が join_inputs Copy を全スキップするため必要
- Pattern6 と同じ設計(header PHI で不変量を保持)
4. **expr_result** (pattern8_scan_bool_predicate.rs)
- k_exit からの返り値を明示設定(`Some(join_exit_value)`)
- Pattern7 style(推測ではなく明示)
5. **Smoke test scripts**
- set +e パターンで exit code 7 をキャプチャ
- LLVM EXE スクリプトにコメント追加(tools/build_llvm.sh 経由の明記)
## Contract Documentation
- join-explicit-cfg-construction.md に Pattern8 契約の具体例を追加
- "pattern増でも推測増にしない" の実例として記録
- loop_var_name / loop_invariants / expr_result / jump_args_layout の契約を明示
- 20-Decisions.md に正規化(Semantic/Plumbing)の分離方針を追記
- DOCS_LAYOUT.md に重要ドキュメントへの参照を追加
## Test Results
- ✅ VM smoke test: `[PASS] phase259_p0_is_integer_vm` (exit 7)
- ✅ LLVM EXE: tools/build_llvm.sh 経由で exit 7 確認
- ✅ --verify: PASS
## Next FAIL (Phase 260+)
- Function: `Main.main/0` in `apps/examples/json_lint/main.hako`
- Error: `[cf_loop/pattern2] Failed to extract break condition from loop body`
- Pattern: Nested loop(外側 loop + 内側 loop with break)
🚀 次の大工事: block-parameterized CFG への移行を開始します。
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2025-12-21 03:21:22 +09:00
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