Files
hakorune/src/mir/builder/receiver.rs
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

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use crate::mir::builder::MirBuilder;
use crate::mir::definitions::call_unified::Callee;
/// ReceiverMaterializationBox centralizes Method receiver pinning + LocalSSA materialization.
///
/// Contract:
/// - If callee is a Method and has a receiver:
/// - Pin the receiver into a named slot (`__pin$*@recv`) so it participates in PHI/loop merges.
/// - Ensure the receiver has an in-block definition via LocalSSA (Copy in the current block).
/// - Args の LocalSSA は別レイヤssa::localで扱う。
pub fn finalize_method_receiver(builder: &mut MirBuilder, callee: &mut Callee) {
if let Callee::Method {
box_name,
method,
receiver: Some(r),
certainty,
box_kind,
} = callee.clone()
{
// Pin to a named slot so start_new_block や LoopBuilder が slot 経由で追跡できる
let r_pinned = builder.pin_to_slot(r, "@recv").unwrap_or(r);
// Optional dev trace for receiver aliases
if std::env::var("NYASH_BUILDER_TRACE_RECV").ok().as_deref() == Some("1") {
let current_fn = builder
.current_function
.as_ref()
.map(|f| f.signature.name.clone())
.unwrap_or_else(|| "<none>".to_string());
let bb = builder.current_block;
let names: Vec<String> = builder
.variable_map
.iter()
.filter(|(_, &vid)| vid == r)
.map(|(k, _)| k.clone())
.collect();
eprintln!(
"[builder/recv-trace] fn={} bb={:?} method={}.{} recv=%{} aliases={:?}",
current_fn,
bb,
box_name.clone(),
method,
r.0,
names
);
}
// LocalSSA: ensure an in-block definition in the current block
let r_local = crate::mir::builder::ssa::local::recv(builder, r_pinned);
*callee = Callee::Method {
box_name,
method,
receiver: Some(r_local),
certainty,
box_kind,
};
}
}