sm64ex-coop/autogen/extract_structs.py

75 lines
1.6 KiB
Python

import os
import re
import sys
def extract_structs(filename):
with open(filename) as file:
lines = file.readlines()
txt = ''
# strip line continuation
for line in lines:
if line.strip().endswith('\\'):
txt += line.strip()[:-1] + ' '
else:
txt += line
# strip directives and comments
tmp = txt
txt = ''
for line in tmp.splitlines():
if line.strip().startswith('#'):
continue
if '//' in line:
line = line.split('//', 1)[0]
txt += line + '\n'
while ('/*' in txt):
s1 = txt.split('/*', 1)
s2 = s1[1].split('*/', 1)
txt = s1[0] + s2[-1]
# normalize newlines
txt = txt.replace('\n', ' ')
txt = txt.replace(';', ';\n')
txt = txt.replace('{', '{\n')
while (' ' in txt):
txt = txt.replace(' ', ' ')
# strip macros
txt = re.sub(r'[^a-zA-Z0-9_][A-Z0-9_]+\(.*\)', '', txt)
# strip blocks
tmp = txt
txt = ''
inside = 0
for character in tmp:
if character == '\n':
if inside == 0:
txt += character
else:
txt += character
if character == '{':
inside += 1
if character == '}':
inside -= 1
# extract structs
tmp = txt
txt = ''
for line in tmp.splitlines():
line = line.strip()
if '{' not in line:
continue
if '}' not in line:
continue
if ';' not in line:
continue
if not line.startswith('struct '):
continue
txt += line + '\n'
return txt.splitlines()