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#!/usr/bin/env python
# Copyright 2016 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Runs a compilation command.
This script exists to avoid using complex shell commands in
gcc_toolchain.gni's tool("cxx") and tool("cc") in case the host running the
compiler does not have a POSIX-like shell (e.g. Windows).
"""
import argparse
import sys
import wrapper_utils
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('--resource-whitelist',
help='Generate a resource whitelist for this target.',
metavar='PATH')
parser.add_argument('command', nargs=argparse.REMAINDER,
help='Compilation command')
args = parser.parse_args()
returncode, stderr = wrapper_utils.CaptureCommandStderr(
wrapper_utils.CommandToRun(args.command))
used_resources = wrapper_utils.ExtractResourceIdsFromPragmaWarnings(stderr)
sys.stderr.write(stderr)
if args.resource_whitelist:
with open(args.resource_whitelist, 'w') as f:
if used_resources:
f.write('\n'.join(str(resource) for resource in used_resources))
f.write('\n')
return returncode
if __name__ == "__main__":
sys.exit(main())
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