mirror of
https://github.com/SerenityOS/serenity
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115 lines
3.9 KiB
Python
Executable File
115 lines
3.9 KiB
Python
Executable File
#!/usr/bin/env python3
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import os
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import re
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import subprocess
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import sys
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# Ensure copyright headers match this format and are followed by a blank line:
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# /*
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# * Copyright (c) YYYY(-YYYY), Whatever
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# * ... more of these ...
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# *
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# * SPDX-License-Identifier: BSD-2-Clause
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# */
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GOOD_LICENSE_HEADER_PATTERN = re.compile(
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'^/\\*\n' +
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'( \\* Copyright \\(c\\) [0-9]{4}(-[0-9]{4})?, .*\n)+' +
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' \\*\n' +
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' \\* SPDX-License-Identifier: BSD-2-Clause\n' +
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' \\*/\n' +
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'\n')
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LICENSE_HEADER_CHECK_EXCLUDES = {
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'AK/Checked.h',
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'AK/Function.h',
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'Userland/Libraries/LibJS/SafeFunction.h',
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'Userland/Libraries/LibC/elf.h',
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'Userland/Libraries/LibCodeComprehension/Cpp/Tests/',
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'Userland/Libraries/LibCpp/Tests/parser/',
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'Userland/Libraries/LibCpp/Tests/preprocessor/'
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}
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LIBC_CHECK_EXCLUDES = {
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'Kernel/',
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'Userland/Libraries/LibELF/',
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'Userland/Libraries/LibRegex/'
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}
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# We check that "#pragma once" is present
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PRAGMA_ONCE_STRING = '#pragma once'
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PRAGMA_ONCE_CHECK_EXCLUDES = {
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'Userland/Libraries/LibC/assert.h',
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}
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# We make sure that there's a blank line before and after pragma once
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GOOD_PRAGMA_ONCE_PATTERN = re.compile('(^|\\S\n\n)#pragma once(\n\n\\S.|$)')
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# LibC is supposed to be a system library; don't mention the directory.
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BAD_INCLUDE_LIBC = re.compile("# *include <LibC/")
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def should_check_file(filename):
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if not filename.endswith('.cpp') and not filename.endswith('.h'):
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return False
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if filename.startswith('Base/'):
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return False
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if filename == 'Kernel/FileSystem/Ext2FS/Definitions.h':
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return False
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return True
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def find_files_here_or_argv():
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if len(sys.argv) > 1:
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raw_list = sys.argv[1:]
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else:
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process = subprocess.run(["git", "ls-files"], check=True, capture_output=True)
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raw_list = process.stdout.decode().strip('\n').split('\n')
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return filter(should_check_file, raw_list)
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def run():
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errors_license = []
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errors_pragma_once_bad = []
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errors_pragma_once_missing = []
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errors_include_libc = []
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for filename in find_files_here_or_argv():
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with open(filename, "r") as f:
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file_content = f.read()
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if not any(filename.startswith(forbidden_prefix) for forbidden_prefix in LICENSE_HEADER_CHECK_EXCLUDES):
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if not GOOD_LICENSE_HEADER_PATTERN.search(file_content):
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errors_license.append(filename)
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if filename.endswith('.h'):
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if any(filename.startswith(forbidden_prefix) for forbidden_prefix in PRAGMA_ONCE_CHECK_EXCLUDES):
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# File was excluded
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pass
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elif GOOD_PRAGMA_ONCE_PATTERN.search(file_content):
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# Excellent, the formatting is correct.
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pass
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elif PRAGMA_ONCE_STRING in file_content:
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# Bad, the '#pragma once' is present but it's formatted wrong.
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errors_pragma_once_bad.append(filename)
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else:
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# Bad, the '#pragma once' is missing completely.
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errors_pragma_once_missing.append(filename)
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if not any(filename.startswith(forbidden_prefix) for forbidden_prefix in LIBC_CHECK_EXCLUDES):
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if BAD_INCLUDE_LIBC.search(file_content):
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errors_include_libc.append(filename)
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if errors_license:
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print("Files with bad licenses:", " ".join(errors_license))
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if errors_pragma_once_missing:
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print("Files without #pragma once:", " ".join(errors_pragma_once_missing))
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if errors_pragma_once_bad:
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print("Files with a bad #pragma once:", " ".join(errors_pragma_once_bad))
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if errors_include_libc:
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print("Files that include a LibC header using #include <LibC/...>:", " ".join(errors_include_libc))
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if errors_license or errors_pragma_once_missing or errors_pragma_once_bad or errors_include_libc:
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sys.exit(1)
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if __name__ == '__main__':
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os.chdir(os.path.dirname(__file__) + "/..")
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run()
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