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# Copyright 2015 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Presubmit script for pdfium.
See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
for more details about the presubmit API built into depot_tools.
"""
LINT_FILTERS = [
# Rvalue ref checks are unreliable.
'-build/c++11',
# Need to fix header names not matching cpp names.
'-build/include',
# Need to fix header names not matching cpp names.
'-build/include_order',
# Too many to fix at the moment.
'-readability/casting',
# Need to refactor large methods to fix.
'-readability/fn_size',
# Need to fix errors when making methods explicit.
'-runtime/explicit',
# Lots of usage to fix first.
'-runtime/int',
# Need to fix two snprintf TODOs
'-runtime/printf',
# Lots of non-const references need to be fixed
'-runtime/references',
# We are not thread safe, so this will never pass.
'-runtime/threadsafe_fn',
# Figure out how to deal with #defines that git cl format creates.
'-whitespace/indent',
]
def _CheckUnwantedDependencies(input_api, output_api):
"""Runs checkdeps on #include statements added in this
change. Breaking - rules is an error, breaking ! rules is a
warning.
"""
import sys
# We need to wait until we have an input_api object and use this
# roundabout construct to import checkdeps because this file is
# eval-ed and thus doesn't have __file__.
original_sys_path = sys.path
try:
sys.path = sys.path + [input_api.os_path.join(
input_api.PresubmitLocalPath(), 'buildtools', 'checkdeps')]
import checkdeps
from cpp_checker import CppChecker
from rules import Rule
except ImportError:
return [output_api.PresubmitError(
'Unable to run checkdeps, does pdfium/buildtools/checkdeps exist?')]
finally:
# Restore sys.path to what it was before.
sys.path = original_sys_path
added_includes = []
for f in input_api.AffectedFiles():
if not CppChecker.IsCppFile(f.LocalPath()):
continue
changed_lines = [line for line_num, line in f.ChangedContents()]
added_includes.append([f.LocalPath(), changed_lines])
deps_checker = checkdeps.DepsChecker(input_api.PresubmitLocalPath())
error_descriptions = []
warning_descriptions = []
for path, rule_type, rule_description in deps_checker.CheckAddedCppIncludes(
added_includes):
description_with_path = '%s\n %s' % (path, rule_description)
if rule_type == Rule.DISALLOW:
error_descriptions.append(description_with_path)
else:
warning_descriptions.append(description_with_path)
results = []
if error_descriptions:
results.append(output_api.PresubmitError(
'You added one or more #includes that violate checkdeps rules.',
error_descriptions))
if warning_descriptions:
results.append(output_api.PresubmitPromptOrNotify(
'You added one or more #includes of files that are temporarily\n'
'allowed but being removed. Can you avoid introducing the\n'
'#include? See relevant DEPS file(s) for details and contacts.',
warning_descriptions))
return results
def CheckChangeOnUpload(input_api, output_api):
results = []
results += _CheckUnwantedDependencies(input_api, output_api)
results += input_api.canned_checks.CheckPatchFormatted(input_api, output_api)
results += input_api.canned_checks.CheckChangeLintsClean(
input_api, output_api, None, LINT_FILTERS)
return results
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