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#!/usr/bin/env python3
import os
import sys
import subprocess
TEST_FILE_TEMPLATE = '''\
#include <{filename}>
// Check idempotency:
#include <{filename}>
'''
def get_headers_here():
result = subprocess.run(['git', 'ls-files', 'Userland/Libraries/*.h'], check=True, capture_output=True, text=True)
assert result.stderr == ''
output = result.stdout.split('\n')
assert output[-1] == '' # Trailing newline
assert len(output) > 500, 'There should be well over a thousand headers, not only {}?!'.format(len(output))
return output[:-1]
def as_filename(header_path):
return header_path.replace('/', '__') + '__test.cpp'
def verbosely_write(path, new_content):
print(path)
# FIXME: Ensure directory exists
if os.path.exists(path):
with open(path, 'r') as fp:
old_data = fp.read()
if old_data == new_content:
# Fast path! Don't trigger ninja
return
with open(path, 'w') as fp:
fp.write(new_content)
def generate_part(header):
content = TEST_FILE_TEMPLATE.format(filename=header)
if header.startswith('Kernel/'):
content += '#define KERNEL\n'
verbosely_write(as_filename(header), content)
def run(root_path, arch):
os.chdir(root_path)
headers_list = get_headers_here()
generated_files_path = os.path.join(root_path, 'Build', arch, 'Meta', 'HeaderCheck')
if not os.path.exists(generated_files_path):
os.mkdir(generated_files_path)
os.chdir(generated_files_path)
for header in headers_list:
generate_part(header)
if __name__ == '__main__':
if 'SERENITY_SOURCE_DIR' not in os.environ:
print('Must set SERENITY_SOURCE_DIR first!', file=sys.stderr)
exit(1)
if len(sys.argv) == 2:
with open('/tmp/the_arg', 'w') as fp:
fp.write(sys.argv[1])
run(os.environ['SERENITY_SOURCE_DIR'], sys.argv[1])
else:
print('Usage: SERENITY_SOURCE_DIR=/path/to/serenity {} SERENITY_BUILD_ARCH'
.format(sys.argv[0]), file=sys.stderr)
exit(1)
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