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https://github.com/dart-lang/sdk
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b5c63ce757
* Migrate to python3; drop python support. * Update Windows toolchain support. * Remove some unused methods. * Python 2.7 is still needed on Windows. * Update gsutil to a version that supports python3. Fixes: https://github.com/dart-lang/sdk/issues/28793 TEST=Manually tested common user journeys. Change-Id: I663a22b237a548bb82dc2e601e399e3bc3649211 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/192182 Reviewed-by: William Hesse <whesse@google.com> Reviewed-by: Alexander Aprelev <aam@google.com>
66 lines
2 KiB
Python
Executable file
66 lines
2 KiB
Python
Executable file
#!/usr/bin/env python3
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#
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# 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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# Simple wrapper for running Valgrind and checking the output on
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# stderr for memory leaks.
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import subprocess
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import sys
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import re
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VALGRIND_ARGUMENTS = [
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'valgrind',
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'--error-exitcode=1',
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'--leak-check=full',
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'--trace-children=yes',
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'--ignore-ranges=0x000-0xFFF', # Used for implicit null checks.
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'--vex-iropt-level=1' # Valgrind crashes with the default level (2).
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]
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# Compute the command line.
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command = VALGRIND_ARGUMENTS + sys.argv[1:]
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# Run Valgrind.
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process = subprocess.Popen(
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command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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code = process.wait()
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output = process.stdout.readlines()
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errors = process.stderr.readlines()
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# Always print the output, but leave out the 3 line banner printed
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# by certain versions of Valgrind.
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if len(output) > 0 and output[0].startswith("** VALGRIND_ROOT="):
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output = output[3:]
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sys.stdout.writelines(output)
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# If Valgrind produced an error, we report that to the user.
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if code != 0:
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sys.stderr.writelines(errors)
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sys.exit(code)
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# Look through the leak details and make sure that we don't have
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# any definitely or indirectly lost bytes. We allow possibly lost
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# bytes to lower the risk of false positives.
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LEAK_RE = r"(?:definitely|indirectly) lost:"
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LEAK_LINE_MATCHER = re.compile(LEAK_RE)
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LEAK_OKAY_MATCHER = re.compile(r"lost: 0 bytes in 0 blocks")
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leaks = []
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for line in errors:
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if LEAK_LINE_MATCHER.search(line):
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leaks.append(line)
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if not LEAK_OKAY_MATCHER.search(line):
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sys.stderr.writelines(errors)
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sys.exit(1)
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# Make sure we found the right number of leak lines.
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if not len(leaks) in [0, 2, 3]:
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sys.stderr.writelines(errors)
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sys.stderr.write('\n\n#### Malformed Valgrind output.\n#### Exiting.\n')
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sys.exit(1)
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# Success.
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sys.exit(0)
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