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 CodeGeneratorDictionaryImpl, CodeGeneratorV8
 from idl_reader import IdlReader
-from utilities import write_file
+from utilities import read_idl_files_list_from_file, 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 57 matching lines @@
     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()
+class IdlCompilerDictionaryImpl(IdlCompiler):
+    def __init__(self, *args, **kwargs):
+        IdlCompiler.__init__(self, *args, **kwargs)
+        self.code_generator = CodeGeneratorDictionaryImpl(
+            self.interfaces_info, self.cache_directory, self.output_directory)
+
+    def compile_file(self, idl_filename):
+        self.compile_and_write(idl_filename)
+
+
+def generate_bindings(options, input_filename):
     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)
-    idl_compiler.compile_file(idl_filename)
+    idl_compiler.compile_file(input_filename)
+
+
+def generate_dictionary_impl(options, input_filename):
+    idl_compiler = IdlCompilerDictionaryImpl(
+        options.output_directory,
+        cache_directory=options.cache_directory,
+        interfaces_info_filename=options.interfaces_info_file,
+        only_if_changed=options.write_file_only_if_changed)
+
+    idl_filenames = read_idl_files_list_from_file(input_filename)
+    for idl_filename in idl_filenames:
+        idl_compiler.compile_file(idl_filename)
+
+
+def main():
+    options, input_filename = parse_options()
+    if options.generate_dictionary_impl:
+        # |input_filename| should be a file which contains a list of IDL
+        # dictionary paths.
+        generate_dictionary_impl(options, input_filename)
+    else:
+        # |input_filename| should be a path of an IDL file.
+        generate_bindings(options, input_filename)
 
 
 if __name__ == '__main__':
     sys.exit(main())