protobuf/upb/benchmarks/gen_protobuf_binary_cc.py

#!/usr/bin/python3
#
# Protocol Buffers - Google's data interchange format
# Copyright 2023 Google LLC.  All rights reserved.
# https://developers.google.com/protocol-buffers/
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#
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# notice, this list of conditions and the following disclaimer.
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# in the documentation and/or other materials provided with the
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# this software without specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

import sys
import re

include = sys.argv[1]
msg_basename = sys.argv[2]
count = 1

m = re.search(r'(.*\D)(\d+)$', sys.argv[2])
if m:
  msg_basename = m.group(1)
  count = int(m.group(2))

print('''
#include "{include}"

char buf[1];

int main() {{
'''.format(include=include))

def RefMessage(name):
  print('''
  {{
    {name} proto;
    proto.ParseFromArray(buf, 0);
    proto.SerializePartialToArray(&buf[0], 0);
  }}
  '''.format(name=name))

RefMessage(msg_basename)

for i in range(2, count + 1):
  RefMessage(msg_basename + str(i))

print('''
  return 0;
}''')