2025-11-21 11:16:38 +09:00
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# 環境変数リファレンス
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2025-11-25 07:08:32 +09:00
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Nyash の主要な環境変数をカテゴリ別に整理するよ。`適用経路` はどのパスで効くかを示す:
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- Rust AST: Rust パーサ直通 (`--dump-mir` など)
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- JSON v0/Stage-1: selfhost/Stage-1/`--ny-parser-pipe` 経由(json_v0_bridge で処理)
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- Any: どの経路でも有効
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2025-11-21 11:16:38 +09:00
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---
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2025-11-25 07:08:32 +09:00
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## ダンプ / 診断
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| 変数 | デフォルト | 適用経路 | 説明 |
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| --- | --- | --- | --- |
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| `RUST_MIR_DUMP_PATH=/tmp/out.mir` | OFF | JSON v0/Stage-1 | MIR printer の出力をファイルに書く (`json_v0_bridge::maybe_dump_mir` 経由) |
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| `NYASH_CLI_VERBOSE=1` | OFF | Any | 詳細ログ。`maybe_dump_mir` が stdout に MIR を出す |
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| `NYASH_CLI_VERBOSE=2` | OFF | Any | さらに詳細なログ(Ny compiler 経路の診断ログ含む) |
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| `NYASH_VM_DUMP_MIR=1` | OFF | Any | VM 実行前の MIR を出力 |
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| `NYASH_DUMP_JSON_IR=1` | OFF | Any | JSON IR をダンプ |
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| `NYASH_DEBUG_STACK_OVERFLOW=1` | OFF | Any | スタックオーバーフロー時に backtrace を有効化 |
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2025-11-21 11:16:38 +09:00
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2025-11-25 07:08:32 +09:00
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### ダンプの使い分け
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- Rust AST 直通: `./target/release/hakorune --dump-mir apps/tests/minimal.hako`(env は不要、stdout のみ)
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- JSON v0 経路/Stage-1: `RUST_MIR_DUMP_PATH=/tmp/out.mir NYASH_USE_STAGE1_CLI=1 STAGE1_EMIT_MIR_JSON=1 ./target/release/hakorune --dump-mir`(stdout + ファイル)
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2025-11-21 11:16:38 +09:00
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2025-11-25 07:08:32 +09:00
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---
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2025-11-21 11:16:38 +09:00
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2025-11-25 07:08:32 +09:00
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## Stage-1 / selfhost CLI
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| 変数 | デフォルト | 適用経路 | 説明 |
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| --- | --- | --- | --- |
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| `NYASH_USE_STAGE1_CLI=1` | OFF | Stage-1 | Stage-1 stub 経由に切替 |
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| `NYASH_STAGE1_MODE=emit-mir` | unset | Stage-1 | `emit-program` / `emit-mir` / `run` を明示 |
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| `STAGE1_EMIT_PROGRAM_JSON=1` | OFF | Stage-1 | Program(JSON v0) を吐いて終了(レガシー alias) |
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| `STAGE1_EMIT_MIR_JSON=1` | OFF | Stage-1 | Program(JSON v0)→MIR(JSON) を Rust 側で降ろす(レガシー alias) |
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| `HAKO_STAGE1_MODE={emit-program\|emit-mir\|run}` | unset | Stage-1 | .hako / Stage-1 ルート専用のモード指定(`--hako-*` が設定) |
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| `HAKO_EMIT_PROGRAM_JSON=1` | OFF | Stage-1 | `.hako` stub に Program(JSON v0) emit を指示 |
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| `HAKO_EMIT_MIR_JSON=1` | OFF | Stage-1 | `.hako` stub に MIR(JSON) emit を指示(json_v0_bridge 経由) |
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| `NYASH_STAGE1_INPUT=path` | unset | Stage-1 | 入力ソース(alias: `STAGE1_SOURCE`, `STAGE1_INPUT`) |
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| `HAKO_STAGE1_INPUT=path` | unset | Stage-1 | `.hako` stub 用の入力ソース(`--hako-*` が設定) |
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| `NYASH_STAGE1_PROGRAM_JSON=path` | unset | Stage-1 | Program(JSON v0) のパス(alias: `STAGE1_PROGRAM_JSON`) |
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| `HAKO_STAGE1_PROGRAM_JSON=path` | unset | Stage-1 | `.hako` stub 用 Program(JSON v0) パス |
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| `NYASH_STAGE1_BACKEND=vm` | `vm` | Stage-1 | Stage-1 実行の backend ヒント(alias: `STAGE1_BACKEND`) |
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| `NYASH_STAGE1_CLI_CHILD=1` | OFF | Stage-1 | 再帰呼び出しガード |
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| `STAGE1_CLI_ENTRY=...` | `lang/src/runner/stage1_cli.hako` | Stage-1 | Stage-1 stub のエントリ差し替え |
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| `STAGE1_*` alias | legacy | Stage-1 | `NYASH_STAGE1_*` の旧名。互換のため受理するが順次廃止予定 |
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### Stage-1 経路の例
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```bash
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# Stage-1 で MIR(JSON) を受け取り、Rust 側で dump
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RUST_MIR_DUMP_PATH=/tmp/out.mir \
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NYASH_USE_STAGE1_CLI=1 STAGE1_EMIT_MIR_JSON=1 \
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./target/release/hakorune --dump-mir apps/tests/minimal.hako
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# hako- 前置で Stage-1 stub 経由
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./target/release/hakorune --hako-emit-program-json /tmp/out.json apps/tests/minimal.hako
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./target/release/hakorune --hako-emit-mir-json /tmp/out.mir apps/tests/minimal.hako --dump-mir
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2025-11-21 11:16:38 +09:00
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```
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---
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2025-11-25 07:08:32 +09:00
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## Parser / using
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2025-11-21 11:16:38 +09:00
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2025-11-25 07:08:32 +09:00
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| 変数 | デフォルト | 適用経路 | 説明 |
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| --- | --- | --- | --- |
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| `NYASH_PARSER_STAGE3=1` | OFF | Any | Stage-3 構文を許可 |
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| `HAKO_PARSER_STAGE3=1` | OFF | Any | `.hako` 向け Stage-3 alias |
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| `NYASH_ENABLE_USING=1` | ON | Any | using 文を有効化 |
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| `HAKO_ENABLE_USING=1` | ON | Any | using 文 alias (.hako) |
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| `NYASH_RESOLVE_TRACE=1` | OFF | Any | using/prelude 解決のトレース |
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| `NYASH_VM_DUMP_MERGED_HAKO=1` | OFF | Rust AST | using/prelude マージ後の Hako ソースをダンプ |
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2025-11-25 07:08:32 +09:00
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---
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2025-11-25 07:08:32 +09:00
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## Runner / backend 選択
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2025-11-25 07:08:32 +09:00
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| 変数 | デフォルト | 適用経路 | 説明 |
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| --- | --- | --- | --- |
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| `NYASH_VM_USE_PY=1` | OFF | Any | PyVM を優先実行 |
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| `NYASH_PIPE_USE_PYVM=1` | OFF | JSON v0/Stage-1 | pipe 実行を PyVM に直送 |
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| `NYASH_VM_PLUGIN_STRICT=1` | OFF | Any | 必須プラグイン欠如で fail-fast |
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| `NYASH_FAIL_FAST=0` | ON | Any | フォールバックを許容(既定は拒否) |
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2025-11-21 11:16:38 +09:00
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---
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2025-11-25 07:08:32 +09:00
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## Selfhost compiler / Ny compiler
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2025-11-25 07:08:32 +09:00
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| 変数 | デフォルト | 適用経路 | 説明 |
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| --- | --- | --- | --- |
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| `NYASH_USE_NY_COMPILER=1` | OFF | JSON v0 | Ny selfhost コンパイラを使用 |
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| `NYASH_NY_COMPILER_STAGE3=1` | OFF | JSON v0 | Ny コンパイラ子プロセスで Stage-3 surface を許可 |
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| `NYASH_NY_COMPILER_TIMEOUT_MS=2000` | `2000` | JSON v0 | selfhost 子プロセスのタイムアウト (ms) |
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| `NYASH_NY_COMPILER_EMIT_ONLY=1` | ON | JSON v0 | selfhost コンパイラを emit-only で動かす |
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| `NYASH_NY_COMPILER_CHILD_ARGS="-- --min-json"` | unset | JSON v0 | 子プロセスへ透過する追加引数 |
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2025-11-21 11:16:38 +09:00
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2025-11-25 07:08:32 +09:00
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### Ny compiler 経路の観測テンプレート (Phase 29)
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```bash
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# Ny compiler 経路で Program(JSON v0)→MIR→dump を観測
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NYASH_USE_NY_COMPILER=1 \
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NYASH_PARSER_STAGE3=1 HAKO_PARSER_STAGE3=1 \
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RUST_MIR_DUMP_PATH=/tmp/ny_selfhost_minimal.mir \
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NYASH_CLI_VERBOSE=2 \
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./target/release/hakorune --dump-mir apps/tests/minimal_ssa_skip_ws.hako \
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2>/tmp/ny_selfhost_minimal.log
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```
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2025-11-25 07:08:32 +09:00
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確認項目:
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- `/tmp/ny_selfhost_minimal.log` に以下の診断ログが出ているか:
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- `[selfhost/ny] spawning Ny compiler child process: ...`
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- `[selfhost/ny] received Program(JSON v0), size=... bytes`
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- `[selfhost/ny] lowering Program(JSON v0) → MIR via json_v0_bridge`
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- `[selfhost/ny] calling maybe_dump_mir (RUST_MIR_DUMP_PATH=..., cli_verbose=...)`
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- `[selfhost/ny] ✅ MIR dump file created` または `⚠️ MIR dump file NOT created`
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2025-11-25 07:08:32 +09:00
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注意: `apps/selfhost/compiler/compiler.hako` が存在しない場合、preferred child process 経路は発火しない。
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2025-11-25 07:08:32 +09:00
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---
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2025-11-21 11:16:38 +09:00
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2025-11-25 07:08:32 +09:00
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## GC / Runtime
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| 変数 | デフォルト | 適用経路 | 説明 |
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| --- | --- | --- | --- |
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| `NYASH_GC_MODE={auto|rc+cycle|minorgen|stw|rc|off}` | `rc+cycle` | Any | GC モード選択 |
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| `NYASH_GC_TRACE=1` | OFF | Any | GC トレース出力 (0-3) |
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| `NYASH_GC_METRICS=1` | OFF | Any | GC メトリクス (text) |
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| `NYASH_GC_METRICS_JSON=1` | OFF | Any | GC メトリクス (JSON) |
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| `NYASH_VM_TRACE=1` | OFF | Any | VM 実行トレース |
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2025-11-21 11:16:38 +09:00
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---
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2025-11-25 07:08:32 +09:00
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## プラグイン / Box
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2025-11-25 07:08:32 +09:00
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| 変数 | デフォルト | 適用経路 | 説明 |
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| --- | --- | --- | --- |
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| `NYASH_DISABLE_PLUGINS=1` | OFF | Any | プラグイン無効化 |
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| `NYASH_BOX_FACTORY_POLICY={builtin_first|plugin_first}` | `builtin_first` | Any | Box factory の優先順位 |
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| `NYASH_FILEBOX_MODE={auto|plugin|builtin}` | `auto` | Any | FileBox 実装選択 |
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2025-11-25 07:08:32 +09:00
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---
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2025-11-21 11:16:38 +09:00
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2025-11-25 07:08:32 +09:00
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## MIR 検証系(代表)
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2025-11-25 07:08:32 +09:00
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| 変数 | デフォルト | 適用経路 | 説明 |
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| --- | --- | --- | --- |
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| `NYASH_VERIFY_ALLOW_NO_PHI=1` | OFF | Any | PHI 検証をスキップ |
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| `NYASH_VERIFY_EDGE_COPY_STRICT=1` | OFF | Any | Edge copy 検証を厳格化 |
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| `NYASH_VERIFY_RET_PURITY=1` | OFF | Any | return ブロックの純粋性検証 |
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| `NYASH_ME_CALL_ARITY_STRICT=1` | OFF | Any | me.method の arity 不一致でエラー |
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2025-11-21 11:16:38 +09:00
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---
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2025-11-25 07:08:32 +09:00
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参考: [docs/development/architecture/mir-logs-observability.md](../development/architecture/mir-logs-observability.md) / [src/mir/verification/](../../src/mir/verification/)
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