#!/usr/bin/env python3
"""Symbolize [fx-crash] lines from build/native/console.log against the original factorio.dSYM.

Usage: python3 tools/symbolize_native.py [console.log]
Factorio.dylib offsets map to the original executable's addresses as 0x100000000 + offset.
"""
import re
import subprocess
import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parent.parent
DSYM = Path.home() / ("Library/Application Support/Steam/steamapps/common/Factorio/"
                      "factorio.app/Contents/MacOS/factorio.dSYM/Contents/Resources/DWARF/factorio")
log = Path(sys.argv[1]) if len(sys.argv) > 1 else ROOT / "build/native/console.log"
lines = [l.rstrip() for l in log.read_text(errors="replace").splitlines() if "[fx-crash]" in l]
addrs = []
for line in lines:
    m = re.search(r"Factorio\.dylib\+(0x[0-9a-f]+)", line)
    if m:
        addrs.append(hex(0x100000000 + int(m.group(1), 16)))
symbols = iter(subprocess.check_output(["atos", "-o", str(DSYM), "-arch", "arm64", "-l", "0x100000000", *addrs],
                                       text=True).splitlines()) if addrs else iter(())
for line in lines:
    if "Factorio.dylib+" in line:
        print(line.split("[fx-crash] ", 1)[1], "=>", next(symbols))
    elif not re.search(r"\] x\d+ =", line):
        print(line.split("[fx-crash] ", 1)[1])