phase: 20.49 COMPLETE; 20.50 Flow+String minimal reps; 20.51 selfhost v0/v1 minimal (Option A/B); hv1-inline binop/unop/copy; docs + run_all + CURRENT_TASK -> 21.0

tools/selfhost/gen_v1_min.sh

@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# gen_v1_min.sh — 最小の v1 JSON 生成（MinMirEmitter を Hako で呼ぶ）
+# 標準出力に v1 JSON を出す。
+
+ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
+NYASH_BIN="${NYASH_BIN:-}"
+if [ -z "$NYASH_BIN" ]; then
+  if [ -x "$ROOT/target/release/hakorune" ]; then
+    NYASH_BIN="$ROOT/target/release/hakorune"
+  else
+    NYASH_BIN="$ROOT/target/release/nyash"
+  fi
+fi
+if [ ! -x "$NYASH_BIN" ]; then
+  echo "[FAIL] nyash/hakorune not found; build first: cargo build --release" >&2
+  exit 2
+fi
+
+CODE='include "lang/src/mir/min_emitter.hako"
+static box Main { method main(args) {
+  local j = MinMirEmitter.emit_if_gt_i64(3,5)
+  print(j)
+  return 0
+} }'
+
+tmp="/tmp/gen_v1_min_$$.nyash"; echo "$CODE" > "$tmp"
+pref="/tmp/gen_v1_min_pre_$$.nyash"
+# Text preinclude（.hako using を安全に統合）
+if [ -x "$ROOT/tools/dev/hako_preinclude.sh" ]; then
+  "$ROOT/tools/dev/hako_preinclude.sh" "$tmp" "$pref" >/dev/null || cp "$tmp" "$pref"
+else
+  cp "$tmp" "$pref"
+fi
+# Remove optional helper using that is not needed for inline run and may not resolve in VM path
+sed -i '/using selfhost\.shared\.common\.entry_point_base/d' "$pref" 2>/dev/null || true
+
+# できるだけ静かに実行して JSON のみを出力
+NYASH_ROOT="$ROOT" NYASH_ENTRY_ALLOW_TOPLEVEL_MAIN=1 \
+NYASH_PARSER_STAGE3=1 HAKO_PARSER_STAGE3=1 NYASH_PARSER_ALLOW_SEMICOLON=1 \
+NYASH_DISABLE_NY_COMPILER=1 HAKO_DISABLE_NY_COMPILER=1 NYASH_USING_AST=0 \
+"$NYASH_BIN" --backend vm "$pref" 2>/dev/null | tr -d '\r'
+rm -f "$tmp" "$pref" 2>/dev/null || true