Added --examine to produce analysis of IDL files

tools/dom/scripts/dartdomgenerator.py

 #!/usr/bin/python
 # Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """This is the entry point to create Dart APIs from the IDL database."""
 
 import css_code_generator
 import os
 import sys
@@ skipping 215 matching lines @@
                     default=False,
                     help='''Use the cached database from the previous run to
                     improve startup performance''')
   parser.add_option('--update-dom-metadata', dest='update_dom_metadata',
                     action='store_true',
                     default=False,
                     help='''Update the metadata list of DOM APIs''')
   parser.add_option('--verbose', dest='logging_level',
                     action='store_false', default=logging.WARNING,
                     help='Output all informational messages')
+  parser.add_option('--examine', dest='examine_idls',
+                    action='store_true', default=None,
+                    help='Analyze IDL files')
   parser.add_option('--logging', dest='logging', type='int',
                     action='store', default=logging.NOTSET,
                     help='Level of logging 20 is Info, 30 is Warnings, 40 is Errors')
 
   (options, args) = parser.parse_args()
 
   current_dir = os.path.dirname(__file__)
   database_dir = os.path.join(current_dir, '..', 'database')
   logging.config.fileConfig(os.path.join(current_dir, 'logging.conf'))
   systems = options.systems.split(',')
@@ skipping 10 matching lines @@
     dartium_output_dir = os.path.join(output_dir, 'dartium')
 
   logging_level = options.logging_level \
     if options.logging == logging.NOTSET else options.logging
 
   start_time = time.time()
 
   UpdateCssProperties()
 
   # Parse the IDL and create the database.
-  database = fremontcutbuilder.main(options.parallel, logging_level=logging_level)
+  database = fremontcutbuilder.main(options.parallel, logging_level=logging_level, examine_idls=options.examine_idls)
 
   GenerateFromDatabase(database, dart2js_output_dir, dartium_output_dir,
       options.update_dom_metadata, logging_level)
 
   file_generation_start_time = time.time()
 
   if 'htmldart2js' in systems:
     _logger.info('Generating dart2js single files.')
 
     for library_name in HTML_LIBRARY_NAMES:
@@ skipping 11 matching lines @@
           os.path.join('..', '..', '..', 'sdk', 'lib', library_name, 'dartium'))
 
   print '\nGenerating single file %s seconds' % round(time.time() - file_generation_start_time, 2)
 
   end_time = time.time()
 
   print '\nDone (dartdomgenerator) %s seconds' % round(end_time - start_time, 2)
 
 if __name__ == '__main__':
   sys.exit(main())