Simplify Go's Mojom Type Generator

mojo/public/tools/bindings/mojom_bindings_generator_v1.py

 #!/usr/bin/env python
 # Copyright 2013 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.
 
 """The frontend for the Mojo bindings system."""
 
 
 import argparse
 import imp
@@ skipping 124 matching lines @@
     module.path = module.path.replace('\\', '/')
 
     if self._should_generate(filename):
       for generator_module in generator_modules:
         generator = generator_module.Generator(module, args.output_dir)
         filtered_args = []
         if hasattr(generator_module, 'GENERATOR_PREFIX'):
           prefix = '--' + generator_module.GENERATOR_PREFIX + '_'
           filtered_args = [arg for arg in remaining_args
                            if arg.startswith(prefix)]
+        if args.generate_type_info:
+          filtered_args.append("--generate_type_info")
         generator.GenerateFiles(filtered_args)
 
     # Save result.
     self._processed_files[filename] = module
     return module
 
   def _ParseFileAndImports(self, filename, import_directories,
       imported_filename_stack):
     # Ignore already-parsed files.
     if filename in self._parsed_files:
@@ skipping 42 matching lines @@
                       metavar="GENERATORS",
                       default="c++,dart,go,javascript,java,python",
                       help="comma-separated list of generators")
   parser.add_argument("--debug_print_intermediate", action="store_true",
                       help="print the intermediate representation")
   parser.add_argument("-I", dest="import_directories", action="append",
                       metavar="directory", default=[],
                       help="add a directory to be searched for import files")
   parser.add_argument("--use_bundled_pylibs", action="store_true",
                       help="use Python modules bundled in the SDK")
+  parser.add_argument("--generate-type-info", dest="generate_type_info",
+                      action="store_true",
+                      help="generate mojom type descriptors")
+  parser.add_argument("--no-generate-type-info", dest="generate_type_info",
+                      action="store_false",
+                      help="do not generate mojom type descriptors")
+  parser.set_defaults(generate_type_info=True)
   (args, remaining_args) = parser.parse_known_args(argv)
 
   generator_modules = LoadGenerators(args.generators_string)
 
   fileutil.EnsureDirectoryExists(args.output_dir)
 
   processor = MojomProcessor(lambda filename: filename in args.filename)
   for filename in args.filename:
     processor.ProcessFile(args, remaining_args, generator_modules, filename)
 
   return 0
 
 
 if __name__ == "__main__":
   sys.exit(main(sys.argv[1:]))