1# Copyright 2012 the V8 project authors. All rights reserved.
2# Redistribution and use in source and binary forms, with or without
3# modification, are permitted provided that the following conditions are
4# met:
5#
6#     * Redistributions of source code must retain the above copyright
7#       notice, this list of conditions and the following disclaimer.
8#     * Redistributions in binary form must reproduce the above
9#       copyright notice, this list of conditions and the following
10#       disclaimer in the documentation and/or other materials provided
11#       with the distribution.
12#     * Neither the name of Google Inc. nor the names of its
13#       contributors may be used to endorse or promote products derived
14#       from this software without specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28
29import os
30from os.path import exists
31from os.path import isdir
32from os.path import join
33import platform
34import re
35
36
37def GetSuitePaths(test_root):
38  def IsSuite(path):
39    return isdir(path) and exists(join(path, 'testcfg.py'))
40  return [ f for f in os.listdir(test_root) if IsSuite(join(test_root, f)) ]
41
42
43# Reads a file into an array of strings
44def ReadLinesFrom(name):
45  lines = []
46  with open(name) as f:
47    for line in f:
48      if line.startswith('#'): continue
49      if '#' in line:
50        line = line[:line.find('#')]
51      line = line.strip()
52      if not line: continue
53      lines.append(line)
54  return lines
55
56
57def GuessOS():
58  system = platform.system()
59  if system == 'Linux':
60    return 'linux'
61  elif system == 'Darwin':
62    return 'macos'
63  elif system.find('CYGWIN') >= 0:
64    return 'cygwin'
65  elif system == 'Windows' or system == 'Microsoft':
66    # On Windows Vista platform.system() can return 'Microsoft' with some
67    # versions of Python, see http://bugs.python.org/issue1082
68    return 'windows'
69  elif system == 'FreeBSD':
70    return 'freebsd'
71  elif system == 'OpenBSD':
72    return 'openbsd'
73  elif system == 'SunOS':
74    return 'solaris'
75  elif system == 'NetBSD':
76    return 'netbsd'
77  else:
78    return None
79
80
81# This will default to building the 32 bit VM even on machines that are
82# capable of running the 64 bit VM.
83def DefaultArch():
84  machine = platform.machine()
85  machine = machine.lower()  # Windows 7 capitalizes 'AMD64'.
86  if machine.startswith('arm'):
87    return 'arm'
88  elif (not machine) or (not re.match('(x|i[3-6])86$', machine) is None):
89    return 'ia32'
90  elif machine == 'i86pc':
91    return 'ia32'
92  elif machine == 'x86_64':
93    return 'ia32'
94  elif machine == 'amd64':
95    return 'ia32'
96  else:
97    return None
98
99
100def GuessWordsize():
101  if '64' in platform.machine():
102    return '64'
103  else:
104    return '32'
105
106
107def IsWindows():
108  return GuessOS() == 'windows'
109