check-header-guards.py

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#!/usr/bin/env python3

import sys, os, re

srcdir = os.getenv ('srcdir', os.path.dirname (__file__))

base_srcdir = os.getenv ('base_srcdir', srcdir)

os.chdir (srcdir)

def removeprefix(s):

	abs_path = os.path.join(base_srcdir, s)

	return os.path.relpath(abs_path, srcdir)

HBHEADERS = [os.path.basename (x) for x in os.getenv ('HBHEADERS', '').split ()] or \

	[x for x in os.listdir ('.') if x.startswith ('hb') and x.endswith ('.h')]

HBSOURCES = [

    removeprefix(x) for x in os.getenv ('HBSOURCES', '').split ()

] or [

    x for x in os.listdir ('.') if x.startswith ('hb') and x.endswith (('.cc', '.hh'))

stat = 0

for x in HBHEADERS + HBSOURCES:

	if not x.endswith ('h') or x == 'hb-gobject-structs.h': continue

	tag = x.upper ().replace ('.', '_').replace ('-', '_').replace(os.path.sep, '_').replace('/', '_')

	with open (x, 'r', encoding='utf-8') as f: content = f.read ()

	if len (re.findall (tag + r'\b', content)) != 3:

		print ('Ouch, header file %s does not have correct preprocessor guards. Expected: %s' % (x, tag))

		stat = 1

sys.exit (stat)