blob: 6eaa4083b8ecbc2f55d1c5d15b160fcac2cdc6bf [file] [log] [blame]
# Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
#
# Use of this source code is governed by a BSD-style license
# that can be found in the LICENSE file in the root of the source
# tree. An additional intellectual property rights grant can be found
# in the file PATENTS. All contributing project authors may
# be found in the AUTHORS file in the root of the source tree.
import os.path
# All folders in LINT_FOLDERS will be scanned by cpplint by the presubmit
# script. Note that subfolders are not included.
LINT_FOLDERS = ['src/video_engine']
def _LicenseHeader(input_api):
"""Returns the license header regexp."""
# Accept any year number from 2011 to the current year
current_year = int(input_api.time.strftime('%Y'))
allowed_years = (str(s) for s in reversed(xrange(2011, current_year + 1)))
years_re = '(' + '|'.join(allowed_years) + ')'
license_header = (
r'.*? Copyright \(c\) %(year)s The WebRTC project authors\. '
r'All Rights Reserved\.\n'
r'.*?\n'
r'.*? Use of this source code is governed by a BSD-style license\n'
r'.*? that can be found in the LICENSE file in the root of the source\n'
r'.*? tree\. An additional intellectual property rights grant can be '
r'found\n'
r'.*? in the file PATENTS\. All contributing project authors may\n'
r'.*? be found in the AUTHORS file in the root of the source tree\.\n'
) % {
'year': years_re,
}
return license_header
def _CheckNoIOStreamInHeaders(input_api, output_api):
"""Checks to make sure no .h files include <iostream>."""
files = []
pattern = input_api.re.compile(r'^#include\s*<iostream>',
input_api.re.MULTILINE)
for f in input_api.AffectedSourceFiles(input_api.FilterSourceFile):
if not f.LocalPath().endswith('.h'):
continue
contents = input_api.ReadFile(f)
if pattern.search(contents):
files.append(f)
if len(files):
return [ output_api.PresubmitError(
'Do not #include <iostream> in header files, since it inserts static ' +
'initialization into every file including the header. Instead, ' +
'#include <ostream>. See http://crbug.com/94794',
files) ]
return []
def _CheckNoFRIEND_TEST(input_api, output_api):
"""Make sure that gtest's FRIEND_TEST() macro is not used, the
FRIEND_TEST_ALL_PREFIXES() macro from testsupport/gtest_prod_util.h should be
used instead since that allows for FLAKY_, FAILS_ and DISABLED_ prefixes."""
problems = []
file_filter = lambda f: f.LocalPath().endswith(('.cc', '.h'))
for f in input_api.AffectedFiles(file_filter=file_filter):
for line_num, line in f.ChangedContents():
if 'FRIEND_TEST(' in line:
problems.append(' %s:%d' % (f.LocalPath(), line_num))
if not problems:
return []
return [output_api.PresubmitPromptWarning('WebRTC\'s code should not use '
'gtest\'s FRIEND_TEST() macro. Include testsupport/gtest_prod_util.h and '
'use FRIEND_TEST_ALL_PREFIXES() instead.\n' + '\n'.join(problems))]
def _IsLintWhitelisted(file_name):
""" Checks if a file is whitelisted for lint check."""
# TODO(mflodman) Include subfolders in the check.
return (os.path.dirname(file_name) in LINT_FOLDERS)
def _CheckApprovedFilesLintClean(input_api, output_api,
source_file_filter=None):
"""Checks that all new or whitelisted .cc and .h files pass cpplint.py.
This check is based on _CheckChangeLintsClean in
depot_tools/presubmit_canned_checks.py but has less filters and only checks
added files."""
result = []
# Initialize cpplint.
import cpplint
# Access to a protected member _XX of a client class
# pylint: disable=W0212
cpplint._cpplint_state.ResetErrorCounts()
# Justifications for each filter:
#
# - build/header_guard : WebRTC coding style says they should be prefixed
# with WEBRTC_, which is not possible to configure in
# cpplint.py.
cpplint._SetFilters('-build/header_guard')
# Use the strictest verbosity level for cpplint.py (level 1) which is the
# default when running cpplint.py from command line.
# To make it possible to work with not-yet-converted code, we're only applying
# it to new (or moved/renamed) files and files listed in LINT_FOLDERS.
verbosity_level = 1
files = []
for f in input_api.AffectedSourceFiles(source_file_filter):
# Note that moved/renamed files also count as added for svn.
if (f.Action() == 'A' or _IsLintWhitelisted(f.LocalPath())):
files.append(f.AbsoluteLocalPath())
for file_name in files:
cpplint.ProcessFile(file_name, verbosity_level)
if cpplint._cpplint_state.error_count > 0:
if input_api.is_committing:
# TODO(kjellander): Change back to PresubmitError below when we're
# confident with the lint settings.
res_type = output_api.PresubmitPromptWarning
else:
res_type = output_api.PresubmitPromptWarning
result = [res_type('Changelist failed cpplint.py check.')]
return result
def _CommonChecks(input_api, output_api):
"""Checks common to both upload and commit."""
# TODO(kjellander): Use presubmit_canned_checks.PanProjectChecks too.
results = []
results.extend(input_api.canned_checks.CheckLongLines(
input_api, output_api))
results.extend(input_api.canned_checks.CheckChangeHasNoTabs(
input_api, output_api))
results.extend(input_api.canned_checks.CheckChangeHasNoStrayWhitespace(
input_api, output_api))
results.extend(input_api.canned_checks.CheckChangeTodoHasOwner(
input_api, output_api))
results.extend(_CheckApprovedFilesLintClean(input_api, output_api))
results.extend(input_api.canned_checks.CheckLicense(
input_api, output_api, _LicenseHeader(input_api)))
results.extend(_CheckNoIOStreamInHeaders(input_api, output_api))
results.extend(_CheckNoFRIEND_TEST(input_api, output_api))
return results
def CheckChangeOnUpload(input_api, output_api):
results = []
results.extend(_CommonChecks(input_api, output_api))
return results
def CheckChangeOnCommit(input_api, output_api):
results = []
results.extend(_CommonChecks(input_api, output_api))
results.extend(input_api.canned_checks.CheckOwners(input_api, output_api))
results.extend(input_api.canned_checks.CheckChangeWasUploaded(
input_api, output_api))
results.extend(input_api.canned_checks.CheckChangeHasDescription(
input_api, output_api))
results.extend(input_api.canned_checks.CheckChangeHasBugField(
input_api, output_api))
results.extend(input_api.canned_checks.CheckChangeHasTestField(
input_api, output_api))
return results