1# Copyright 2014 The Chromium Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5import os.path
6from subprocess import check_call
7import sys
8
9
10def RunBindingsGenerator(out_dir, root_dir, mojom_file, extra_flags=None):
11  out_dir = os.path.abspath(out_dir)
12  root_dir = os.path.abspath(root_dir)
13  mojom_file = os.path.abspath(mojom_file)
14
15  # The mojom file should be under the root directory somewhere.
16  assert mojom_file.startswith(root_dir)
17  mojom_reldir = os.path.dirname(os.path.relpath(mojom_file, root_dir))
18
19  # TODO(vtl): Abstract out the "main" functions, so that we can just import
20  # the bindings generator (which would be more portable and easier to use in
21  # tests).
22  this_dir = os.path.dirname(os.path.abspath(__file__))
23  # We're in src/mojo/public/tools/bindings/pylib/mojom_tests/support;
24  # mojom_bindings_generator.py is in .../bindings.
25  bindings_generator = os.path.join(this_dir, os.pardir, os.pardir, os.pardir,
26                                    "mojom_bindings_generator.py")
27
28  args = ["python", bindings_generator,
29          "-o", os.path.join(out_dir, mojom_reldir)]
30  if extra_flags:
31    args.extend(extra_flags)
32  args.append(mojom_file)
33
34  check_call(args)
35
36
37def main(argv):
38  if len(argv) < 4:
39    print "usage: %s out_dir root_dir mojom_file [extra_flags]" % argv[0]
40    return 1
41
42  RunBindingsGenerator(argv[1], argv[2], argv[3], extra_flags=argv[4:])
43  return 0
44
45
46if __name__ == '__main__':
47  sys.exit(main(sys.argv))
48