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# Copyright 2021 The Pigweed 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
#
# https://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.
"""C++-related checks."""
import logging
from pw_presubmit import (
build,
Check,
format_code,
PresubmitContext,
filter_paths,
)
_LOG: logging.Logger = logging.getLogger(__name__)
@filter_paths(endswith=format_code.CPP_HEADER_EXTS, exclude=(r'\.pb\.h$',))
def pragma_once(ctx: PresubmitContext) -> None:
"""Presubmit check that ensures all header files contain '#pragma once'."""
for path in ctx.paths:
_LOG.debug('Checking %s', path)
with open(path) as file:
for line in file:
if line.startswith('#pragma once'):
break
else:
ctx.fail('#pragma once is missing!', path=path)
@Check
def asan(ctx: PresubmitContext) -> None:
"""Test with the address sanitizer."""
build.gn_gen(ctx)
build.ninja(ctx, 'asan')
@Check
def msan(ctx: PresubmitContext) -> None:
"""Test with the memory sanitizer."""
build.gn_gen(ctx)
build.ninja(ctx, 'msan')
@Check
def tsan(ctx: PresubmitContext) -> None:
"""Test with the thread sanitizer."""
build.gn_gen(ctx)
build.ninja(ctx, 'tsan')
@Check
def ubsan(ctx: PresubmitContext) -> None:
"""Test with the undefined behavior sanitizer."""
build.gn_gen(ctx)
build.ninja(ctx, 'ubsan')
@Check
def runtime_sanitizers(ctx: PresubmitContext) -> None:
"""Test with the address, thread, and undefined behavior sanitizers."""
build.gn_gen(ctx)
build.ninja(ctx, 'runtime_sanitizers')
def all_sanitizers():
# TODO(b/234876100): msan will not work until the C++ standard library
# included in the sysroot has a variant built with msan.
return [asan, tsan, ubsan, runtime_sanitizers]
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