tools/gypv8sh.py

   1 #!/usr/bin/env python
   2 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5
   6 """This script is used by chrome_tests.gypi's js2webui action to maintain the
   7 argument lists and to generate inlinable tests.
   8 """
   9
  10 import json
  11 import optparse
  12 import os
  13 import subprocess
  14 import sys
  15 import shutil
  16
  17
  18 def main ():
  19   parser = optparse.OptionParser()
  20   parser.set_usage(
  21       "%prog v8_shell mock.js test_api.js js2webui.js "
  22       "testtype inputfile inputrelfile cxxoutfile jsoutfile")
  23   parser.add_option('-v', '--verbose', action='store_true')
  24   parser.add_option('-n', '--impotent', action='store_true',
  25                     help="don't execute; just print (as if verbose)")
  26   parser.add_option('--deps_js', action="store",
  27                     help=("Path to deps.js for dependency resolution, " +
  28                           "optional."))
  29   parser.add_option('--external', action='store',
  30                     help="Load V8's initial snapshot from external files (y/n)")
  31   (opts, args) = parser.parse_args()
  32
  33   if len(args) != 9:
  34     parser.error('all arguments are required.')
  35   (v8_shell, mock_js, test_api, js2webui, test_type,
  36       inputfile, inputrelfile, cxxoutfile, jsoutfile) = args
  37   cmd = [v8_shell]
  38   icudatafile = os.path.join(os.path.dirname(v8_shell), 'icudtl.dat')
  39   if os.path.exists(icudatafile):
  40     cmd.extend(['--icu-data-file=%s' % icudatafile])
  41   v8nativesfile = os.path.join(os.path.dirname(v8_shell), 'natives_blob.bin')
  42   if opts.external == 'y' and os.path.exists(v8nativesfile):
  43     cmd.extend(['--natives_blob=%s' % v8nativesfile])
  44   v8snapshotfile = os.path.join(os.path.dirname(v8_shell), 'snapshot_blob.bin')
  45   if opts.external == 'y' and os.path.exists(v8snapshotfile):
  46     cmd.extend(['--snapshot_blob=%s' % v8snapshotfile])
  47   arguments = [js2webui, inputfile, inputrelfile, opts.deps_js,
  48                cxxoutfile, test_type]
  49   cmd.extend(['-e', "arguments=" + json.dumps(arguments), mock_js,
  50          test_api, js2webui])
  51   if opts.verbose or opts.impotent:
  52     print cmd
  53   if not opts.impotent:
  54     try:
  55       p = subprocess.Popen(
  56           cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, bufsize=0)
  57       out, err = p.communicate()
  58       with open(cxxoutfile, 'wb') as f:
  59         f.write(out)
  60       shutil.copyfile(inputfile, jsoutfile)
  61     except Exception, ex:
  62       if os.path.exists(cxxoutfile):
  63         os.remove(cxxoutfile)
  64       if os.path.exists(jsoutfile):
  65         os.remove(jsoutfile)
  66       raise
  67
  68
  69 if __name__ == '__main__':
  70  sys.exit(main())