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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Usage: python sym_comments.py file.asm [pokered.sym] > file_commented.asm
Comments each label in file.asm with its bank:address from the sym file.
"""
import sys
import re
def main():
if len(sys.argv) not in {2, 3}:
print(f'Usage: {sys.argv[0]} file.asm [pokered.sym] > file_commented.asm', file=sys.stderr)
sys.exit(1)
wram_name = sys.argv[1]
sym_name = sys.argv[2] if len(sys.argv) == 3 else 'pokered.sym'
sym_def_rx = re.compile(r'(^{sym})(:.*)|(^\.{sym})(.*)'.format(sym=r'[A-Za-z_][A-Za-z0-9_#@]*'))
sym_addrs = {}
with open(sym_name, 'r', encoding='utf-8') as file:
for line in file:
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 file:
cur_label = None
for line in file:
line = line.rstrip()
if (m = re.match(sym_def_rx, line)):
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)
if __name__ == '__main__':
main()
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