#!/usr/bin/env python
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# Copyright 2019 The Crashpad Authors. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import shutil
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import sys
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import tempfile
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import mig_fix
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import mig_gen
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def _try_remove(*paths):
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for path in paths:
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try:
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os.remove(path)
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except OSError:
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pass
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def _generate_and_fix(user_c, server_c, user_h, server_h, defs, include, sdk,
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clang_path, mig_path, migcom_path, arch):
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interface = mig_gen.MigInterface(user_c, server_c, user_h, server_h)
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mig_gen.generate_interface(defs, interface, include, sdk, clang_path,
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mig_path, migcom_path, arch)
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mig_fix.fix_interface(interface)
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def _wrap_arch_guards(file, arch):
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contents = '#if defined(__%s__)\n' % arch
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contents += open(file, 'r').read()
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contents += '\n#endif /* __%s__ */\n' % arch
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return contents
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def _write_file(path, data):
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with open(path, 'w') as file:
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file.write(data)
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def main(args):
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parsed = mig_gen.parse_args(args, multiple_arch=True)
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_try_remove(parsed.user_c, parsed.server_c, parsed.user_h, parsed.server_h)
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if len(parsed.arch) <= 1:
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_generate_and_fix(parsed.user_c, parsed.server_c, parsed.user_h,
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parsed.server_h, parsed.defs, parsed.include,
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parsed.sdk, parsed.clang_path, parsed.mig_path,
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parsed.migcom_path,
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parsed.arch[0] if len(parsed.arch) >= 1 else None)
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return 0
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# Run mig once per architecture, and smush everything together, wrapped in
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# in architecture-specific #if guards.
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user_c_data = ''
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server_c_data = ''
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user_h_data = ''
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server_h_data = ''
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for arch in parsed.arch:
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# Python 3: use tempfile.TempDirectory instead
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temp_dir = tempfile.mkdtemp(prefix=os.path.basename(sys.argv[0]) + '_')
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try:
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user_c = os.path.join(temp_dir, os.path.basename(parsed.user_c))
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server_c = os.path.join(temp_dir, os.path.basename(parsed.server_c))
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user_h = os.path.join(temp_dir, os.path.basename(parsed.user_h))
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server_h = os.path.join(temp_dir, os.path.basename(parsed.server_h))
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_generate_and_fix(user_c, server_c, user_h, server_h, parsed.defs,
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parsed.include, parsed.sdk, parsed.clang_path,
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parsed.mig_path, parsed.migcom_path, arch)
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user_c_data += _wrap_arch_guards(user_c, arch)
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server_c_data += _wrap_arch_guards(server_c, arch)
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user_h_data += _wrap_arch_guards(user_h, arch)
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server_h_data += _wrap_arch_guards(server_h, arch)
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finally:
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shutil.rmtree(temp_dir)
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_write_file(parsed.user_c, user_c_data)
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_write_file(parsed.server_c, server_c_data)
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_write_file(parsed.user_h, user_h_data)
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_write_file(parsed.server_h, server_h_data)
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if __name__ == '__main__':
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sys.exit(main(sys.argv[1:]))
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