Files
hakorune/tools/hakorune_emit_mir.sh
nyash-codex fb6129183d Phase 22.3: Fix parser infinite loop and Stage-B JSON contamination
Fix A: Stage-B output contamination
- Add NYASH_JSON_ONLY=1 to suppress RC output
- Add awk '/^{/,/^}$/' to extract clean JSON only
- File: tools/hakorune_emit_mir.sh:46-49

Fix B: Parser infinite loop in static method parameters
- Replace must_advance! with explicit match on current_token()
- Ensure forward progress in all branches (IDENTIFIER/COMMA/NEWLINE/RPAREN)
- Add NYASH_PARSER_METHOD_PARAM_STRICT=1 for strict mode (default: tolerant)
- File: src/parser/declarations/static_def/members.rs:79-108

Acceptance criteria:
- Stage-B output has no 'RC:' contamination
- phase2231/hakorune_emit_mir_return42_canary_vm.sh passes (rc=42)
- Existing quick tests remain green (backward compatible)
2025-11-09 15:50:12 +09:00

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#!/usr/bin/env bash
# hakorune_emit_mir.sh — Emit MIR(JSON) using Hakorune StageB + MirBuilder (Hakofirst)
#
# Usage: tools/hakorune_emit_mir.sh <input.hako> <out.json>
# Notes:
# - Runs the StageB compiler (Hako) to emit Program(JSON v0), then feeds it to MirBuilderBox.emit_from_program_json_v0.
# - Defaults to the Hakorune VM path; no inline Ny compiler; Stage3 enabled.
# - Keeps defaults conservative: no global flips; this is a helper for dev/CI scripts.
set -euo pipefail
if [ "$#" -ne 2 ]; then
echo "Usage: $0 <input.hako> <out.json>" >&2
exit 2
fi
IN="$1"
OUT="$2"
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
if ROOT_GIT=$(git -C "$SCRIPT_DIR" rev-parse --show-toplevel 2>/dev/null); then
ROOT="$ROOT_GIT"
else
ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
fi
# Resolve nyash/hakorune binary via test_runner helper (ensures consistent env)
if [ ! -f "$IN" ]; then
echo "[FAIL] input not found: $IN" >&2
exit 1
fi
# Resolve nyash/hakorune binary (simple detection; test_runner will override later if sourced)
if [ -z "${NYASH_BIN:-}" ]; then
if [ -x "$ROOT/target/release/hakorune" ]; then
export NYASH_BIN="$ROOT/target/release/hakorune"
else
export NYASH_BIN="$ROOT/target/release/nyash"
fi
fi
CODE="$(cat "$IN")"
# 1) StageB: Hako parser emits Program(JSON v0) to stdout
set +e
PROG_JSON_OUT=$(NYASH_JSON_ONLY=1 NYASH_DISABLE_NY_COMPILER=1 HAKO_DISABLE_NY_COMPILER=1 \
NYASH_PARSER_STAGE3=1 HAKO_PARSER_STAGE3=1 NYASH_PARSER_ALLOW_SEMICOLON=1 \
NYASH_ENABLE_USING=1 HAKO_ENABLE_USING=1 \
"$NYASH_BIN" --backend vm "$ROOT/lang/src/compiler/entry/compiler_stageb.hako" -- --source "$CODE" 2>/dev/null | awk '/^{/,/^}$/')
rc=$?
set -e
if [ $rc -ne 0 ] || [ -z "$PROG_JSON_OUT" ]; then
echo "[FAIL] Stage-B parse failed (rc=$rc)" >&2
exit 1
fi
# Quick validation for Program(JSON v0)
if ! printf '%s' "$PROG_JSON_OUT" | grep -q '"kind"\s*:\s*"Program"'; then
echo "[FAIL] StageB output is not Program(JSON)" >&2
printf '%s\n' "$PROG_JSON_OUT" | sed -n '1,80p' >&2 || true
exit 1
fi
# 2) Hako MirBuilder: convert Program(JSON v0) → MIR(JSON)
BUILDER_CODE=$(cat <<'HCODE'
using "hako.mir.builder" as MirBuilderBox
static box Main { method main(args) {
local prog_json = env.get("HAKO_BUILDER_PROGRAM_JSON")
if prog_json == null { print("Builder failed"); return 1 }
local mir_out = MirBuilderBox.emit_from_program_json_v0(prog_json, null)
if mir_out == null { print("Builder failed"); return 1 }
print("[MIR_OUT_BEGIN]")
print("" + mir_out)
print("[MIR_OUT_END]")
return 0
} }
HCODE
)
# Use the smoke test runner to execute builder code inline (-c), ensuring consistent parser/env setup
source "$ROOT/tools/smokes/v2/lib/test_runner.sh" >/dev/null 2>&1 || true
require_env >/dev/null 2>&1 || true
tmp_stdout="/tmp/hako_builder_out_$$.log"
tmp_stderr="/tmp/hako_builder_err_$$.log"
trap 'rm -f "$tmp_stdout" "$tmp_stderr" || true' EXIT
set +e
MIR_JSON=$(HAKO_MIR_BUILDER_INTERNAL=1 HAKO_MIR_BUILDER_REGISTRY=1 \
HAKO_MIR_BUILDER_DEBUG=${HAKO_MIR_BUILDER_DEBUG:-0} \
HAKO_FAIL_FAST_ON_HAKO_IN_NYASH_VM=0 \
HAKO_ROUTE_HAKOVM=1 \
NYASH_ENABLE_USING=1 HAKO_ENABLE_USING=1 \
NYASH_USING_AST=1 NYASH_RESOLVE_FIX_BRACES=1 \
NYASH_PARSER_SEAM_TOLERANT=1 \
NYASH_DISABLE_NY_COMPILER=1 NYASH_PARSER_STAGE3=0 HAKO_PARSER_STAGE3=0 \
NYASH_ENTRY_ALLOW_TOPLEVEL_MAIN=1 \
HAKO_BUILDER_PROGRAM_JSON="$PROG_JSON_OUT" \
run_nyash_vm -c "$BUILDER_CODE" 2>"$tmp_stderr" | tee "$tmp_stdout" | awk '/\[MIR_OUT_BEGIN\]/{flag=1;next}/\[MIR_OUT_END\]/{flag=0}flag')
rc=$?
set -e
if [ $rc -ne 0 ] || [ -z "$MIR_JSON" ] || ! printf '%s' "$MIR_JSON" | grep -q '"functions"'; then
echo "[WARN] MirBuilder (Hako) failed (rc=$rc), falling back to Rust CLI builder" >&2
# Use runner CLI to convert Program(JSON) → MIR(JSON)
tmp_prog="/tmp/hako_emit_prog_$$.json"
printf '%s' "$PROG_JSON_OUT" > "$tmp_prog"
if "$NYASH_BIN" --program-json-to-mir "$OUT" --json-file "$tmp_prog" >/dev/null 2>&1; then
rm -f "$tmp_prog" || true
echo "[OK] MIR JSON written (delegate): $OUT"
exit 0
fi
echo "[FAIL] Both Hako builder and delegate failed" >&2
echo "-- stderr (tail) --" >&2; tail -n 80 "$tmp_stderr" >&2 || true
echo "-- stdout (tail) --" >&2; tail -n 80 "$tmp_stdout" >&2 || true
exit 1
fi
printf '%s' "$MIR_JSON" > "$OUT"
echo "[OK] MIR JSON written: $OUT"
exit 0