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#!/usr/bin/env python3
# Copyright 2014 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Generates compile DBs that are more amenable for clang tooling."""
import argparse
import json
import os
import sys
script_dir = os.path.dirname(os.path.realpath(__file__))
tool_dir = os.path.abspath(os.path.join(script_dir, '../pylib'))
sys.path.insert(0, tool_dir)
from clang import compile_db
def main(argv):
parser = argparse.ArgumentParser()
parser.add_argument(
'--filter_arg',
nargs='*',
help='Additional argument(s) to filter out from compilation database.')
parser.add_argument(
'-o',
help='File to write the compilation database to. Defaults to stdout')
parser.add_argument('-p', required=True, help='Path to build directory')
parser.add_argument(
'--target_os',
choices=[
'android',
'chromeos',
'fuchsia',
'ios',
'linux',
'mac',
'nacl',
'win',
],
help='Target OS - see `gn help target_os`. Set to "win" when ' +
'cross-compiling Windows from Linux or another host')
parser.add_argument('targets',
nargs='*',
help='Additional targets to pass to ninja')
args = parser.parse_args()
compdb_text = json.dumps(compile_db.ProcessCompileDatabase(
compile_db.GenerateWithNinja(args.p, args.targets), args.filter_arg,
args.target_os),
indent=2)
if args.o is None:
print(compdb_text)
else:
with open(args.o, 'w') as f:
f.write(compdb_text)
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))
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