1#!/usr/bin/env python2.7 2 3# Copyright 2016 gRPC authors. 4# 5# Licensed under the Apache License, Version 2.0 (the "License"); 6# you may not use this file except in compliance with the License. 7# You may obtain a copy of the License at 8# 9# http://www.apache.org/licenses/LICENSE-2.0 10# 11# Unless required by applicable law or agreed to in writing, software 12# distributed under the License is distributed on an "AS IS" BASIS, 13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14# See the License for the specific language governing permissions and 15# limitations under the License. 16 17import collections 18import fnmatch 19import os 20import re 21import sys 22import yaml 23 24_RE_API = r'(?:GPRAPI|GRPCAPI|CENSUSAPI)([^;]*);' 25 26 27def list_c_apis(filenames): 28 for filename in filenames: 29 with open(filename, 'r') as f: 30 text = f.read() 31 for m in re.finditer(_RE_API, text): 32 api_declaration = re.sub('[ \r\n\t]+', ' ', m.group(1)) 33 type_and_name, args_and_close = api_declaration.split('(', 1) 34 args = args_and_close[:args_and_close.rfind(')')].strip() 35 last_space = type_and_name.rfind(' ') 36 last_star = type_and_name.rfind('*') 37 type_end = max(last_space, last_star) 38 return_type = type_and_name[0:type_end + 1].strip() 39 name = type_and_name[type_end + 1:].strip() 40 yield { 41 'return_type': return_type, 42 'name': name, 43 'arguments': args, 44 'header': filename 45 } 46 47 48def headers_under(directory): 49 for root, dirnames, filenames in os.walk(directory): 50 for filename in fnmatch.filter(filenames, '*.h'): 51 yield os.path.join(root, filename) 52 53 54def mako_plugin(dictionary): 55 apis = [] 56 headers = [] 57 58 for lib in dictionary['libs']: 59 if lib['name'] in ['grpc', 'gpr']: 60 headers.extend(lib['public_headers']) 61 62 apis.extend(list_c_apis(sorted(set(headers)))) 63 dictionary['c_apis'] = apis 64 65 66if __name__ == '__main__': 67 print yaml.dump([api for api in list_c_apis(headers_under('include/grpc'))]) 68