Add base class for generators

ppapi/generators/generator.py

+#!/usr/bin/python
+#
+# Copyright (c) 2011 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 sys
+
+from idl_ast import IDLAst
+from idl_generator import Generator
+from idl_log import ErrOut, InfoOut, WarnOut
+from idl_node import IDLAttribute, IDLNode
+from idl_option import GetOption, Option, ParseOptions
+from idl_outfile import IDLOutFile
+from idl_parser import ParseFiles
+from idl_c_header import HGen
+
+
+def Main(args):
+  filenames = ParseOptions(args)
+  ast = ParseFiles(filenames)
+  return Generator.Run(ast)
+
+if __name__ == '__main__':
+  args = sys.argv[1:]
+
+  # If no arguments are provided, assume we are tring to rebuild the
+  # C headers with warnings off.
+  if not args: args = ['--wnone', '--cgen']
+
+  sys.exit(Main(args))
+