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#!/usr/bin/env python
# Copyright 2015 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.
from __future__ import print_function
import json
import os
import re
import sys
root = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../../..'))
with open(
os.path.join(root, 'tools', 'run_tests', 'generated',
'sources_and_headers.json')) as f:
js = json.loads(f.read())
re_inc1 = re.compile(r'^#\s*include\s*"([^"]*)"')
assert re_inc1.match('#include "foo"').group(1) == 'foo'
re_inc2 = re.compile(r'^#\s*include\s*<((grpc|grpc\+\+)/[^"]*)>')
assert re_inc2.match('#include <grpc++/foo>').group(1) == 'grpc++/foo'
def get_target(name):
for target in js:
if target['name'] == name:
return target
assert False, 'no target %s' % name
def get_headers_transitive():
"""Computes set of headers transitively provided by each target"""
target_headers_transitive = {}
for target in js:
target_name = target['name']
assert not target_headers_transitive.has_key(target_name)
target_headers_transitive[target_name] = set(target['headers'])
# Make sure each target's transitive headers contain those
# of their dependencies. If not, add them and continue doing
# so until we get a full pass over all targets without any updates.
closure_changed = True
while closure_changed:
closure_changed = False
for target in js:
target_name = target['name']
for dep in target['deps']:
headers = target_headers_transitive[target_name]
old_count = len(headers)
headers.update(target_headers_transitive[dep])
if old_count != len(headers):
closure_changed = True
return target_headers_transitive
# precompute transitive closure of headers provided by each target
target_headers_transitive = get_headers_transitive()
def target_has_header(target, name):
if name in target_headers_transitive[target['name']]:
return True
if name.startswith('absl/'):
return True
if name in [
'src/core/lib/profiling/stap_probes.h',
'src/proto/grpc/reflection/v1alpha/reflection.grpc.pb.h'
]:
return True
return False
def produces_object(name):
return os.path.splitext(name)[1] in ['.c', '.cc']
c_ish = {}
obj_producer_to_source = {'c': c_ish, 'c++': c_ish, 'csharp': {}}
errors = 0
for target in js:
if not target['third_party']:
for fn in target['src']:
with open(os.path.join(root, fn)) as f:
src = f.read().splitlines()
for line in src:
m = re_inc1.match(line)
if m:
if not target_has_header(target, m.group(1)):
print(
'target %s (%s) does not name header %s as a dependency'
% (target['name'], fn, m.group(1)))
errors += 1
m = re_inc2.match(line)
if m:
if not target_has_header(target, 'include/' + m.group(1)):
print(
'target %s (%s) does not name header %s as a dependency'
% (target['name'], fn, m.group(1)))
errors += 1
if target['type'] in ['lib', 'filegroup']:
for fn in target['src']:
language = target['language']
if produces_object(fn):
obj_base = os.path.splitext(os.path.basename(fn))[0]
if obj_base in obj_producer_to_source[language]:
if obj_producer_to_source[language][obj_base] != fn:
print(
'target %s (%s) produces an aliased object file with %s'
% (target['name'], fn,
obj_producer_to_source[language][obj_base]))
else:
obj_producer_to_source[language][obj_base] = fn
assert errors == 0
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