Add support for Chrome Apps to IDL lexer/parser

ppapi/generators/idl_option.py

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import getopt
 import sys
 
 from idl_log import ErrOut, InfoOut, WarnOut
 
 OptionMap = { }
@@ skipping 42 matching lines @@
   else:
     out = '   -%-15.15s\t%s' % (option.name, option.desc)
   if option.default:
     out = '%s\n\t\t\t(Default: %s)\n' % (out, option.default)
   InfoOut.Log(out)
 
 def DumpHelp(option=None):
   InfoOut.Log('Usage:')
   for opt in sorted(OptionMap.keys()):
     DumpOption(OptionMap[opt])
-
+  sys.exit(0)
 
 #
 # Default IDL options
 #
 # -h : Help, prints options
 # --verbose : use verbose output
 # --test : test this module
 #
 Option('h', 'Help', callfunc=DumpHelp)
+Option('help', 'Help', callfunc=DumpHelp)
 Option('verbose', 'Verbose')
 Option('test', 'Test the IDL scripts')
 
 def ParseOptions(args):
   short_opts= ""
   long_opts = []
 
   # Build short and long option lists
   for name in sorted(OptionMap.keys()):
     option = OptionMap[name]
@@ skipping 15 matching lines @@
       if len(opt) == 2: opt = opt[1:]
       if opt[0:2] == '--': opt = opt[2:]
       OptionMap[opt].Set(val)
 
   except getopt.error, e:
     ErrOut.Log('Illegal option: %s\n' % str(e))
     DumpHelp()
     sys.exit(-1)
 
   return filenames