🚀 Break/Continue/Try-Catch構文のサポート追加とMIRループ制御強化
## 主な変更点 ### 🎯 MIRループ制御の実装（根治対応） - src/mir/loop_builder.rs: Break/Continue対応のループコンテキスト管理 - ループのbreak/continueターゲットブロック追跡 - ネストループの適切な処理 - src/mir/builder.rs: Break/Continue文のMIR生成実装 - src/tokenizer.rs: Break/Continue/Tryトークン認識追加 ### 📝 セルフホストパーサーの拡張 - apps/selfhost-compiler/boxes/parser_box.nyash: - Stage-3: break/continue構文受理（no-op実装） - Stage-3: try-catch-finally構文受理（構文解析のみ） - エラー処理構文の将来対応準備 ### 📚 ドキュメント更新 - 論文K（爆速事件簿）: 45事例に更新（4件追加） - PyVM迂回路の混乱事件 - Break/Continue無限ループ事件 - EXE-first戦略の再発見 - 論文I（開発秘話）: Day 38の重要決定追加 ### 🧪 テストケース追加 - apps/tests/: ループ制御とPHIのテストケース - nested_loop_inner_break_isolated.nyash - nested_loop_inner_continue_isolated.nyash - loop_phi_one_sided.nyash - shortcircuit関連テスト ## 技術的詳細 - Break/ContinueをMIRレベルで適切に処理 - 無限ループ問題（CPU 99.9%暴走）の根本解決 - 将来の例外処理機能への準備 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Selfhosting Dev
41
tools/pyvm_json_vectors_smoke.sh
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41
tools/pyvm_json_vectors_smoke.sh
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@ -0,0 +1,41 @@
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#!/usr/bin/env bash
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set -euo pipefail
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[[ "${NYASH_CLI_VERBOSE:-0}" == "1" ]] && set -x
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ROOT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)
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BIN="$ROOT_DIR/target/release/nyash"
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if [[ ! -x "$BIN" ]]; then
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(cd "$ROOT_DIR" && cargo build --release >/dev/null)
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fi
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VEC_DIR="$ROOT_DIR/tests/json_v0"
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[[ -d "$VEC_DIR" ]] || { echo "No vectors at $VEC_DIR" >&2; exit 1; }
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pass() { echo "✅ $1" >&2; }
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fail() { echo "❌ $1" >&2; echo "$2" >&2; exit 1; }
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run_vec() {
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local base="$1"; shift
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local expect_code="$1"; shift
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local path="$VEC_DIR/$base.json"
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[[ -f "$path" ]] || fail "$base (missing)" "Vector not found: $path"
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set +e
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OUT=$(cat "$path" | NYASH_PIPE_USE_PYVM=1 "$BIN" --ny-parser-pipe --backend vm 2>&1)
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STATUS=$?
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set -e
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if [[ "$STATUS" == "$expect_code" ]]; then pass "$base"; else fail "$base" "$OUT"; fi
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}
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# Vectors: base name -> expected Result
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run_vec arith 7
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run_vec if_then_else 10
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run_vec while_sum 3
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run_vec logical_shortcircuit_and 0
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run_vec logical_shortcircuit_or 0
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run_vec method_string_length 3
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run_vec logical_nested 1
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run_vec string_chain 2
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echo "All JSON v0 vectors PASS" >&2
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exit 0
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@ -18,42 +18,97 @@ fail() { echo "❌ $1" >&2; echo "$2" >&2; exit 1; }
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compile_json() {
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local src_text="$1"
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printf "%s\n" "$src_text" > "$TMP/ny_parser_input.ny"
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# Build a local parser EXE (no pack) and run it
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"$ROOT_DIR/tools/build_compiler_exe.sh" --no-pack -o nyash_compiler_smoke >/dev/null
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"$ROOT_DIR/nyash_compiler_smoke" "$TMP/ny_parser_input.ny"
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# Primary: Python MVP parser (fast, stable vectors)
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if command -v python3 >/dev/null 2>&1; then
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local pyjson
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pyjson=$(python3 "$ROOT_DIR/tools/ny_parser_mvp.py" "$TMP/ny_parser_input.ny" 2>/dev/null | sed -n '1p')
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if [[ -n "$pyjson" ]]; then printf '%s\n' "$pyjson"; return 0; fi
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fi
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# Fallback-2: inline VM run using ParserBox + EmitterBox (embed source string)
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local inline="$TMP/inline_selfhost_emit.nyash"
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# Read src text and escape quotes and backslashes for literal embedding; keep newlines
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local esc
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esc=$(sed -e 's/\\/\\\\/g' -e 's/\"/\\\"/g' "$TMP/ny_parser_input.ny")
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cat > "$inline" << NY
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include "apps/selfhost-compiler/boxes/parser_box.nyash"
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include "apps/selfhost-compiler/boxes/emitter_box.nyash"
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static box Main {
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main(args) {
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local src = "$esc"
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local p = new ParserBox()
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local json = p.parse_program2(src)
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local e = new EmitterBox()
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json = e.emit_program(json, "[]")
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print(json)
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return 0
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}
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}
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NY
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# Execute via VM (Rust interpreter) is fine since print is builtin and no plugins needed
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local raw
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raw=$("$BIN" --backend vm "$inline" 2>/dev/null || true)
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local json
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json=$(printf '%s\n' "$raw" | awk 'BEGIN{found=0} /^[ \t]*\{/{ if ($0 ~ /"version"/ && $0 ~ /"kind"/) { print; found=1; exit } } END{ if(found==0){} }')
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if [[ -n "$json" ]]; then printf '%s\n' "$json"; return 0; fi
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# Optional: build & run EXE if explicitly requested
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if [[ "${NYASH_SELFHOST_USE_EXE:-0}" == "1" ]]; then
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set +e
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"$ROOT_DIR/tools/build_compiler_exe.sh" --no-pack -o nyash_compiler_smoke >/dev/null 2>&1
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local build_status=$?
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if [[ "$build_status" -eq 0 && -x "$ROOT_DIR/nyash_compiler_smoke" ]]; then
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local out
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out=$("$ROOT_DIR/nyash_compiler_smoke" "$TMP/ny_parser_input.ny" 2>/dev/null)
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set -e
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printf "%s\n" "$out"
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return 0
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fi
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set -e
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fi
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echo ""
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}
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run_case_bridge() {
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local name="$1"; shift
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local src="$1"; shift
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local regex="$1"; shift
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local expect_code="$1"; shift
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set +e
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JSON=$(compile_json "$src")
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OUT=$(printf '%s\n' "$JSON" | NYASH_VM_USE_PY=1 "$BIN" --ny-parser-pipe --backend vm 2>&1)
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OUT=$(printf '%s\n' "$JSON" | NYASH_PIPE_USE_PYVM=1 "$BIN" --ny-parser-pipe --backend vm 2>&1)
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STATUS=$?
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set -e
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if echo "$OUT" | rg -q "$regex"; then pass "$name"; else fail "$name" "$OUT"; fi
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if [[ "$STATUS" == "$expect_code" ]]; then pass "$name"; else fail "$name" "$OUT"; fi
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}
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# A) arithmetic
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run_case_bridge "arith (bridge)" 'return 1+2*3' '^Result:\s*7\b'
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run_case_bridge "arith (bridge)" 'return 1+2*3' 7
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# B) unary minus
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run_case_bridge "unary (bridge)" 'return -3 + 5' '^Result:\s*2\b'
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run_case_bridge "unary (bridge)" 'return -3 + 5' 2
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# C) logical AND
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run_case_bridge "and (bridge)" 'return (1 < 2) && (2 < 3)' '^Result:\s*true\b'
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run_case_bridge "and (bridge)" 'return (1 < 2) && (2 < 3)' 1
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# D) ArrayBox push/size -> 2
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read -r -d '' SRC_ARR <<'NY'
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SRC_ARR=$(cat <<'NY'
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local a = new ArrayBox()
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a.push(1)
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a.push(2)
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return a.size()
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NY
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run_case_bridge "array push/size (bridge)" "$SRC_ARR" '^Result:\s*2\b'
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)
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run_case_bridge "array push/size (bridge)" "$SRC_ARR" 2
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# E) String.length() -> 3
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run_case_bridge "string length (bridge)" 'local s = "abc"; return s.length()' '^Result:\s*3\b'
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run_case_bridge "string length (bridge)" $'local s = "abc"\nreturn s.length()' 3
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# F) assignment without 'local' (update)
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SRC_ASSIGN=$(cat <<'NY'
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local x = 1
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local x = x + 2
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return x
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NY
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)
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run_case_bridge "assign update (bridge)" "$SRC_ASSIGN" 3
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echo "All selfhost Stage-2 bridge smokes PASS" >&2
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exit 0
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70
tools/selfhost_stage3_accept_smoke.sh
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70
tools/selfhost_stage3_accept_smoke.sh
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#!/usr/bin/env bash
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set -euo pipefail
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[[ "${NYASH_CLI_VERBOSE:-0}" == "1" ]] && set -x
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ROOT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)
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BIN="$ROOT_DIR/target/release/nyash"
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if [[ ! -x "$BIN" ]]; then
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(cd "$ROOT_DIR" && cargo build --release >/dev/null)
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fi
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TMP="$ROOT_DIR/tmp"
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mkdir -p "$TMP"
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pass() { echo "✅ $1" >&2; }
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fail() { echo "❌ $1" >&2; echo "$2" >&2; exit 1; }
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compile_json_stage3() {
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local src_text="$1"
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local inline="$TMP/inline_selfhost_emit_stage3.nyash"
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# Embed source (escape quotes and backslashes; preserve newlines)
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local esc
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esc=$(printf '%s' "$src_text" | sed -e 's/\\/\\\\/g' -e 's/\"/\\\"/g')
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cat > "$inline" << NY
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include "apps/selfhost-compiler/boxes/parser_box.nyash"
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include "apps/selfhost-compiler/boxes/emitter_box.nyash"
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static box Main {
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main(args) {
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local source_text = "$esc"
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local p = new ParserBox()
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local json = p.parse_program2(source_text)
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local e = new EmitterBox()
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json = e.emit_program(json, "[]")
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print(json)
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return 0
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}
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}
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NY
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local raw
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raw=$("$BIN" --backend vm "$inline" 2>/dev/null || true)
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# Extract the first JSON-looking line (contains version/kind)
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printf '%s\n' "$raw" | awk 'BEGIN{found=0} /^[ \t]*\{/{ if ($0 ~ /"version"/ && $0 ~ /"kind"/) { print; found=1; exit } } END{ if(found==0){} }'
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}
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run_case_stage3() {
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local name="$1"; shift
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local src="$1"; shift
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local expect_code="$1"; shift
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set +e
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JSON=$(compile_json_stage3 "$src")
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OUT=$(printf '%s\n' "$JSON" | NYASH_PIPE_USE_PYVM=1 "$BIN" --ny-parser-pipe --backend vm 2>&1)
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CODE=$?
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set -e
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if [[ "$CODE" == "$expect_code" ]]; then pass "$name"; else fail "$name" "$OUT"; fi
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}
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# A) try/catch/finally acceptance; final return 0
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run_case_stage3 "try/catch/finally (accept)" $'try { local x = 1 } catch (Error e) { local y = 2 } finally { local z = 3 }\nreturn 0' 0
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# B) break acceptance under dead branch
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run_case_stage3 "break in dead branch (accept)" $'if false { break } else { }\nreturn 0' 0
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# C) continue acceptance under dead branch
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run_case_stage3 "continue in dead branch (accept)" $'if false { continue } else { }\nreturn 0' 0
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# D) throw acceptance (degrade); final return 0
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run_case_stage3 "throw (accept)" $'try { throw 123 } finally { }\nreturn 0' 0
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echo "All selfhost Stage-3 acceptance smokes PASS" >&2
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exit 0
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