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# Copyright 2012 the V8 project authors. 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.
"""Top-level presubmit script for V8.
See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
for more details about the presubmit API built into gcl.
"""
import sys
def _V8PresubmitChecks(input_api, output_api):
"""Runs the V8 presubmit checks."""
import sys
sys.path.append(input_api.os_path.join(
input_api.PresubmitLocalPath(), 'tools'))
from presubmit import CppLintProcessor
from presubmit import SourceProcessor
from presubmit import CheckGeneratedRuntimeTests
from presubmit import CheckExternalReferenceRegistration
results = []
if not CppLintProcessor().Run(input_api.PresubmitLocalPath()):
results.append(output_api.PresubmitError("C++ lint check failed"))
if not SourceProcessor().Run(input_api.PresubmitLocalPath()):
results.append(output_api.PresubmitError(
"Copyright header, trailing whitespaces and two empty lines " \
"between declarations check failed"))
if not CheckGeneratedRuntimeTests(input_api.PresubmitLocalPath()):
results.append(output_api.PresubmitError(
"Generated runtime tests check failed"))
if not CheckExternalReferenceRegistration(input_api.PresubmitLocalPath()):
results.append(output_api.PresubmitError(
"External references registration check failed"))
return results
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.
"""
# 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
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 _CommonChecks(input_api, output_api):
"""Checks common to both upload and commit."""
results = []
results.extend(input_api.canned_checks.CheckOwners(
input_api, output_api, source_file_filter=None))
results.extend(input_api.canned_checks.CheckPatchFormatted(
input_api, output_api))
results.extend(_V8PresubmitChecks(input_api, output_api))
results.extend(_CheckUnwantedDependencies(input_api, output_api))
return results
def _SkipTreeCheck(input_api, output_api):
"""Check the env var whether we want to skip tree check.
Only skip if src/version.cc has been updated."""
src_version = 'src/version.cc'
FilterFile = lambda file: file.LocalPath() == src_version
if not input_api.AffectedSourceFiles(
lambda file: file.LocalPath() == src_version):
return False
return input_api.environ.get('PRESUBMIT_TREE_CHECK') == 'skip'
def _CheckChangeLogFlag(input_api, output_api):
"""Checks usage of LOG= flag in the commit message."""
results = []
if input_api.change.BUG and not 'LOG' in input_api.change.tags:
results.append(output_api.PresubmitError(
'An issue reference (BUG=) requires a change log flag (LOG=). '
'Use LOG=Y for including this commit message in the change log. '
'Use LOG=N or leave blank otherwise.'))
return results
def CheckChangeOnUpload(input_api, output_api):
results = []
results.extend(_CommonChecks(input_api, output_api))
results.extend(_CheckChangeLogFlag(input_api, output_api))
return results
def CheckChangeOnCommit(input_api, output_api):
results = []
results.extend(_CommonChecks(input_api, output_api))
results.extend(_CheckChangeLogFlag(input_api, output_api))
results.extend(input_api.canned_checks.CheckChangeHasDescription(
input_api, output_api))
if not _SkipTreeCheck(input_api, output_api):
results.extend(input_api.canned_checks.CheckTreeIsOpen(
input_api, output_api,
json_url='http://v8-status.appspot.com/current?format=json'))
return results
def GetPreferredTryMasters(project, change):
return {
'tryserver.v8': {
'v8_linux_rel': set(['defaulttests']),
'v8_linux_dbg': set(['defaulttests']),
'v8_linux_nosnap_rel': set(['defaulttests']),
'v8_linux_nosnap_dbg': set(['defaulttests']),
'v8_linux64_rel': set(['defaulttests']),
'v8_linux_arm_dbg': set(['defaulttests']),
'v8_linux_arm64_rel': set(['defaulttests']),
'v8_linux_layout_dbg': set(['defaulttests']),
'v8_mac_rel': set(['defaulttests']),
'v8_win_rel': set(['defaulttests']),
'v8_win64_rel': set(['defaulttests']),
},
}