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#!/usr/bin/env python
# Copyright 2020 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import argparse
import json
import os
import re
import sys
def CheckCppTypemapConfigs(target_name, config_filename, out_filename):
_SUPPORTED_CONFIG_KEYS = set([
'types', 'traits_headers', 'traits_private_headers', 'traits_sources',
'traits_deps', 'traits_public_deps'
])
_SUPPORTED_TYPE_KEYS = set([
'mojom', 'cpp', 'copyable_pass_by_value', 'force_serialize', 'hashable',
'move_only', 'nullable_is_same_type', 'forward_declaration',
'default_constructible'
])
with open(config_filename, 'r') as f:
for config in json.load(f):
for key in config.keys():
if key not in _SUPPORTED_CONFIG_KEYS:
raise ValueError('Invalid typemap property "%s" when processing %s' %
(key, target_name))
types = config.get('types')
if not types:
raise ValueError('Typemap for %s must specify at least one type to map'
% target_name)
for entry in types:
for key in entry.keys():
if key not in _SUPPORTED_TYPE_KEYS:
raise IOError(
'Invalid type property "%s" in typemap for "%s" on target %s' %
(key, entry.get('mojom', '(unknown)'), target_name))
with open(out_filename, 'w') as f:
f.truncate(0)
def main():
parser = argparse.ArgumentParser()
_, args = parser.parse_known_args()
if len(args) != 3:
print('Usage: validate_typemap_config.py target_name config_filename '
'stamp_filename')
sys.exit(1)
CheckCppTypemapConfigs(args[0], args[1], args[2])
if __name__ == '__main__':
main()
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