Initial checkin of gRPC to third_party/

third_party/grpc/tools/run_tests/sanity/check_sources_and_headers.py

Index: third_party/grpc/tools/run_tests/sanity/check_sources_and_headers.py
diff --git a/third_party/grpc/tools/run_tests/sanity/check_sources_and_headers.py b/third_party/grpc/tools/run_tests/sanity/check_sources_and_headers.py
new file mode 100755
index 0000000000000000000000000000000000000000..44dc49bb06f7c33492045d5d4567efb3222cf477
--- /dev/null
+++ b/third_party/grpc/tools/run_tests/sanity/check_sources_and_headers.py
@@ -0,0 +1,101 @@
+#!/usr/bin/env python2.7
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+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', '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 target_has_header(target, name):
+  # print target['name'], name
+  if name in target['headers']:
+    return True
+  for dep in target['deps']:
+    if target_has_header(get_target(dep), name):
+      return True
+  if name == 'src/core/profiling/stap_probes.h':
+    return True
+  return False
+
+def produces_object(name):
+  return os.path.splitext(name)[1] in ['.c', '.cc']
+
+obj_producer_to_source = {'c': {}, 'c++': {}, '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'] == 'lib':
+    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