IDL: Add build target for IDL dictionary impl generation in core

Source/bindings/scripts/idl_compiler.py

 #!/usr/bin/python
 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 20 matching lines @@
 
 Design doc: http://www.chromium.org/developers/design-documents/idl-compiler
 """
 
 import abc
 from optparse import OptionParser
 import os
 import cPickle as pickle
 import sys
 
-from code_generator_v8 import CodeGeneratorV8
+from code_generator_v8 import CodeGeneratorV8, MODE_BINDINGS, MODE_DICTIONARY_IMPL
 from idl_reader import IdlReader
 from utilities import write_file
 
 
 def parse_options():
     parser = OptionParser()
     parser.add_option('--cache-directory',
                       help='cache directory, defaults to output directory')
+    parser.add_option('--generate-dictionary-impl',
+                      action="store_true", default=False)
     parser.add_option('--output-directory')
     parser.add_option('--interfaces-info-file')
     parser.add_option('--write-file-only-if-changed', type='int')
     # ensure output comes last, so command line easy to parse via regexes
     parser.disable_interspersed_args()
 
     options, args = parser.parse_args()
     if options.output_directory is None:
         parser.error('Must specify output directory using --output-directory.')
     options.write_file_only_if_changed = bool(options.write_file_only_if_changed)
@@ skipping 14 matching lines @@
 
     In concrete classes:
     * self.code_generator must be set, implementing generate_code()
       (returning a list of output code), and
     * compile_file() must be implemented (handling output filenames).
     """
     __metaclass__ = abc.ABCMeta
 
     def __init__(self, output_directory, cache_directory='',
                  code_generator=None, interfaces_info=None,
-                 interfaces_info_filename='', only_if_changed=False):
+                 interfaces_info_filename='', only_if_changed=False,
+                 generate_dictionary_impl=False):
         """
         Args:
             interfaces_info:
                 interfaces_info dict
                 (avoids auxiliary file in run-bindings-tests)
             interfaces_info_file: filename of pickled interfaces_info
         """
         cache_directory = cache_directory or output_directory
         self.cache_directory = cache_directory
         self.code_generator = code_generator
+        if generate_dictionary_impl:
+            self.generating_mode = MODE_DICTIONARY_IMPL
+        else:
+            self.generating_mode = MODE_BINDINGS
         if interfaces_info_filename:
             with open(interfaces_info_filename) as interfaces_info_file:
                 interfaces_info = pickle.load(interfaces_info_file)
         self.interfaces_info = interfaces_info
         self.only_if_changed = only_if_changed
         self.output_directory = output_directory
         self.reader = IdlReader(interfaces_info, cache_directory)
 
     def compile_and_write(self, idl_filename):
         interface_name = idl_filename_to_interface_name(idl_filename)
         definitions = self.reader.read_idl_definitions(idl_filename)
         output_code_list = self.code_generator.generate_code(
-            definitions, interface_name)
+            definitions, interface_name, mode=self.generating_mode)
         for output_path, output_code in output_code_list:
             write_file(output_code, output_path, self.only_if_changed)
 
     @abc.abstractmethod
     def compile_file(self, idl_filename):
         pass
 
 
 class IdlCompilerV8(IdlCompiler):
     def __init__(self, *args, **kwargs):
         IdlCompiler.__init__(self, *args, **kwargs)
         self.code_generator = CodeGeneratorV8(self.interfaces_info,
                                               self.cache_directory,
                                               self.output_directory)
 
     def compile_file(self, idl_filename):
         self.compile_and_write(idl_filename)
 
 
 def main():
     options, idl_filename = parse_options()
     idl_compiler = IdlCompilerV8(
         options.output_directory,
         cache_directory=options.cache_directory,
         interfaces_info_filename=options.interfaces_info_file,
-        only_if_changed=options.write_file_only_if_changed)
+        only_if_changed=options.write_file_only_if_changed,
+        generate_dictionary_impl=options.generate_dictionary_impl)
     idl_compiler.compile_file(idl_filename)
 
 
 if __name__ == '__main__':
     sys.exit(main())