#!/usr/bin/env python
#
# Copyright 2009 the V8 project authors. All rights reserved.
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# 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.
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#       copyright notice, this list of conditions and the following
#       disclaimer in the documentation and/or other materials provided
#       with the distribution.
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#       contributors may be used to endorse or promote products derived
#       from this software without specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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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)