pokecrystal/tools/sym_comments.py

50 lines
1.3 KiB
Python
Executable File

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Usage: python3 sym_comments.py file.asm [pokecrystal.sym] > file_commented.asm
Comments each label in file.asm with its bank:address from the sym file.
"""
import sys
import re
if len(sys.argv) != 2 and len(sys.argv) != 3:
print('Usage: %s file.asm [pokecrystal.sym] > file_commented.asm' % sys.argv[0], file=sys.stderr)
wram_name = sys.argv[1]
sym_name = sys.argv[2] if len(sys.argv) == 3 else 'pokecrystal.sym'
sym_format = r'[A-Za-z_][A-Za-z0-9_#@]*'
sym_def_rx = re.compile(r'(^%s)(:.*)|(^\.%s)(.*)' % (sym_format, sym_format))
sym_addrs = {}
with open(sym_name, 'r', encoding='utf-8') as f:
for line in f:
line = line.split(';', 1)[0].rstrip()
parts = line.split(' ', 1)
if len(parts) != 2:
continue
addr, sym = parts
sym_addrs[sym] = addr
with open(wram_name, 'r', encoding='utf-8') as f:
cur_label = None
for line in f:
line = line.rstrip()
m = re.match(sym_def_rx, line)
if m:
sym, rest = m.group(1), m.group(2)
if sym is None and rest is None:
sym, rest = m.group(3), m.group(4)
key = sym
if not sym.startswith('.'):
cur_label = sym
elif cur_label:
key = cur_label + sym
if key in sym_addrs:
addr = sym_addrs[key]
line = sym + rest + ' ; ' + addr
print(line)