blob: 95e59468abc9591f14c69994df35cbe286d759cc [file] [log] [blame]
#!/usr/bin/env python3
# Copyright 2021 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""A utility for generating classes for structured metrics events.
Takes as input a structured.xml file describing all events and produces a C++
header and implementation file exposing builders for those events.
"""
import argparse
import sys
import codegen
import model
import templates_events as templates
parser = argparse.ArgumentParser(
description='Generate structured metrics events')
parser.add_argument('--input', help='Path to structured.xml')
parser.add_argument('--output', help='Path to generated files.')
def main():
args = parser.parse_args()
data = model.Model(open(args.input).read())
codegen.Template(
data,
args.output,
'structured_events.h',
file_template=templates.HEADER_FILE_TEMPLATE,
project_template=templates.HEADER_PROJECT_TEMPLATE,
event_template=templates.HEADER_EVENT_TEMPLATE,
metric_template=templates.HEADER_METRIC_TEMPLATE).write_file()
codegen.Template(data,
args.output,
'structured_events.cc',
file_template=templates.IMPL_FILE_TEMPLATE,
project_template=templates.IMPL_PROJECT_TEMPLATE,
event_template=templates.IMPL_EVENT_TEMPLATE,
metric_template=templates.IMPL_METRIC_TEMPLATE).write_file()
return 0
if __name__ == '__main__':
sys.exit(main())