| #!/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()) |