check-c-linkage-decls.py

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#!/usr/bin/env python3

import sys, os

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')]

HBHEADERS = [x for x in HBHEADERS if 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:

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

	if ('HB_BEGIN_DECLS' not in content) or ('HB_END_DECLS' not in content):

		print ('Ouch, file %s does not have HB_BEGIN_DECLS / HB_END_DECLS, but it should' % x)

		stat = 1

for x in HBSOURCES:

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

	if ('HB_BEGIN_DECLS' in content) or ('HB_END_DECLS' in content):

		print ('Ouch, file %s has HB_BEGIN_DECLS / HB_END_DECLS, but it shouldn\'t' % x)

		stat = 1

sys.exit (stat)