#!/usr/bin/env python

#

# Copyright 2009 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

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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

from __future__ import print_function

from os import path

import subprocess

import sys

NODE_ROOT = path.dirname(path.dirname(path.abspath(__file__)))

VALGRIND_ARGUMENTS = [

'valgrind',

'--error-exitcode=1',

'--smc-check=all-non-file',

'--suppressions=' + path.join(NODE_ROOT, 'tools', 'valgrind.supp'),

'--gen-suppressions=all',

]

if len(sys.argv) < 2:

print('Please provide an executable to analyze.')

sys.exit(1)

executable = path.join(NODE_ROOT, sys.argv[1])

if not path.exists(executable):

print('Cannot find the file specified: %s' % executable)

sys.exit(1)

# Compute the command line.

command = VALGRIND_ARGUMENTS + [executable, '--zero-fill-buffers']

command += sys.argv[2:]

# Run valgrind.

process = subprocess.Popen(command, stderr=subprocess.PIPE)

code = process.wait()

errors = process.stderr.readlines()

# If valgrind produced an error, we report that to the user.

if code != 0:

sys.stderr.writelines(errors)

sys.exit(code)