blob: 9a7abba3bccfadc06a903a52c5c2d4f743a47e85 [file] [log] [blame]
#!/usr/bin/env python
# Copyright (C) 2018 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import re
import subprocess
import sys
PROTOS = (
'protos/perfetto/config/chrome/chrome_config.proto',
'protos/perfetto/config/data_source_config.proto',
'protos/perfetto/config/ftrace/ftrace_config.proto',
'protos/perfetto/config/test_config.proto',
'protos/perfetto/config/trace_config.proto',
)
MERGED_OUT_PROTO = 'protos/perfetto/config/perfetto_config.proto'
REPLACEMENT_HEADER = '''
// AUTOGENERATED - DO NOT EDIT
// ---------------------------
// This file has been generated by
// AOSP://external/perfetto/%s
// merging the perfetto config protos.
// This fused proto is intended to be copied in:
// - Android tree, for statsd.
// - Google internal repos.
syntax = "proto2";
package perfetto.protos;
'''
def main():
root_dir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
merged_content = ''
for proto in PROTOS:
path = os.path.join(root_dir, proto)
with open(path) as f:
content = f.read()
# Remove header
header = re.match(r'\/\*(?:.|\s)*?package.*;\n', content)
header = header.group(0)
content = content[len(header):]
if merged_content == '':
merged_content += REPLACEMENT_HEADER.lstrip() % __file__
content = re.sub(r'^import.*?\n', '', content, flags=re.MULTILINE)
content = re.sub(r'TODO\([^)]*\):', 'TODO:', content)
merged_content += '\n// Begin of %s\n' % proto
merged_content += content
merged_content += '\n// End of %s\n' % proto
out_path = os.path.join(root_dir, MERGED_OUT_PROTO)
prev_content = None
if os.path.exists(out_path):
with open(out_path, 'rb') as fprev:
prev_content = fprev.read()
if prev_content == merged_content:
return 0
if '--check-only' in sys.argv:
return 1
print 'Updating %s' % MERGED_OUT_PROTO
with open(out_path, 'wb') as fout:
fout.write(merged_content)
return 0
if __name__ == '__main__':
sys.exit(main())