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#!/usr/bin/env python2.7
# Copyright 2016 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import collections
import fnmatch
import os
import re
import sys
import yaml
_RE_API = r'(?:GPRAPI|GRPCAPI|CENSUSAPI)([^;]*);'
def list_c_apis(filenames):
for filename in filenames:
with open(filename, 'r') as f:
text = f.read()
for m in re.finditer(_RE_API, text):
api_declaration = re.sub('[ \r\n\t]+', ' ', m.group(1))
type_and_name, args_and_close = api_declaration.split('(', 1)
args = args_and_close[:args_and_close.rfind(')')].strip()
last_space = type_and_name.rfind(' ')
last_star = type_and_name.rfind('*')
type_end = max(last_space, last_star)
return_type = type_and_name[0:type_end+1].strip()
name = type_and_name[type_end+1:].strip()
yield {'return_type': return_type, 'name': name, 'arguments': args, 'header': filename}
def headers_under(directory):
for root, dirnames, filenames in os.walk(directory):
for filename in fnmatch.filter(filenames, '*.h'):
yield os.path.join(root, filename)
def mako_plugin(dictionary):
apis = []
headers = []
for lib in dictionary['libs']:
if lib['name'] in ['grpc', 'gpr']:
headers.extend(lib['public_headers'])
apis.extend(list_c_apis(sorted(set(headers))))
dictionary['c_apis'] = apis
if __name__ == '__main__':
print yaml.dump([api for api in list_c_apis(headers_under('include/grpc'))])
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