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58 lines
2 KiB
Python
58 lines
2 KiB
Python
# Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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# for details. All rights reserved. Use of this source code is governed by a
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# BSD-style license that can be found in the LICENSE file.
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import os
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import cpplint
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import re
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# memcpy does not handle overlapping memory regions. Even though this
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# is well documented it seems to be used in error quite often. To avoid
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# problems we disallow the direct use of memcpy. The exceptions are in
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# third-party code and in platform/globals.h which uses it to implement
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# bit_cast and bit_copy.
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def CheckMemcpy(filename):
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if filename.endswith(os.path.join('platform', 'globals.h')) or \
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filename.find('third_party') != -1:
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return 0
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fh = open(filename, 'r')
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content = fh.read()
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match = re.search('\\bmemcpy\\b', content)
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if match:
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line_number = content[0:match.start()].count('\n') + 1
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print "%s:%d: use of memcpy is forbidden" % (filename, line_number)
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return 1
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return 0
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def RunLint(input_api, output_api):
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result = []
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cpplint._cpplint_state.ResetErrorCounts()
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memcpy_match_count = 0
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# Find all .cc and .h files in the change list.
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for git_file in input_api.AffectedTextFiles():
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filename = git_file.AbsoluteLocalPath()
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if filename.endswith('.cc') or filename.endswith('.h'):
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# Run cpplint on the file.
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cpplint.ProcessFile(filename, 1)
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# Check for memcpy use.
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memcpy_match_count += CheckMemcpy(filename)
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# Report a presubmit error if any of the files had an error.
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if cpplint._cpplint_state.error_count > 0 or memcpy_match_count > 0:
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result = [output_api.PresubmitError('Failed cpplint check.')]
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return result
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def CheckGn(input_api, output_api):
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return input_api.canned_checks.CheckGNFormatted(input_api, output_api)
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def CheckChangeOnUpload(input_api, output_api):
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return (RunLint(input_api, output_api) +
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CheckGn(input_api, output_api))
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def CheckChangeOnCommit(input_api, output_api):
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return (RunLint(input_api, output_api) +
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CheckGn(input_api, output_api))
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