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      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 
     29 import os
     30 from os.path import exists
     31 from os.path import isdir
     32 from os.path import join
     33 import platform
     34 import re
     35 
     36 
     37 def 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
     44 def 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 
     57 def 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.
     83 def 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 
    100 def GuessWordsize():
    101   if '64' in platform.machine():
    102     return '64'
    103   else:
    104     return '32'
    105 
    106 
    107 def IsWindows():
    108   return GuessOS() == 'windows'
    109