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#!/usr/bin/env python3.6
'''
Generates a checker file for lv_conf.h from lv_conf_templ.h define all the not defined values
'''
import re
fin = open("../lv_conf_template.h", "r")
fout = open("../src/lv_conf_checker.h", "w")
fout.write(
'''/**
* GENERATED FILE, DO NOT EDIT IT!
* @file lv_conf_checker.h
* Make sure all the defines of lv_conf.h have a default value
**/
#ifndef LV_CONF_CHECKER_H
#define LV_CONF_CHECKER_H
'''
)
started = 0
for i in fin.read().splitlines():
if not started:
if '#define LV_CONF_H' in i:
started = 1
continue
else:
continue
if '/*--END OF LV_CONF_H--*/' in i: break
r = re.search(r'^ *# *define ([^\s]+).*$', i)
if r:
line = re.sub('\(.*?\)', '', r[1], 1) #remove parentheses from macros
fout.write(
f'#ifndef {line}\n'
f'{i}\n'
'#endif\n'
)
elif re.search('^ *typedef .*;.*$', i):
continue #ignore typedefs to avoide redeclaration
else:
fout.write(f'{i}\n')
fout.write(
'''
#endif /*LV_CONF_CHECKER_H*/
'''
)
fin.close()
fout.close()
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