Initial patch for the web modules layered platform proposal.

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 21 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 CodeGeneratorDictionaryImpl, CodeGeneratorV8, CodeGeneratorUnionType
+from code_generator_web_modules import CodeGeneratorWebModules
 from idl_reader import IdlReader
 from utilities import create_component_info_provider, read_idl_files_list_from_file, write_file, idl_filename_to_component
 
 
 def parse_options():
     parser = OptionParser()
     parser.add_option('--cache-directory',
                       help='cache directory, defaults to output directory')
     parser.add_option('--generate-impl',
                       action="store_true", default=False)
     parser.add_option('--output-directory')
     parser.add_option('--impl-output-directory')
     parser.add_option('--info-dir')
+    parser.add_option('--web-modules',
+                      action="store_true", default=False)
     parser.add_option('--write-file-only-if-changed', type='int')
     # FIXME: We should always explicitly specify --target-component and
     # remove the default behavior.
     parser.add_option('--target-component',
                       help='target component to generate code, defaults to '
                       'component of input idl file')
     # ensure output comes last, so command line easy to parse via regexes
     parser.disable_interspersed_args()
 
     options, args = parser.parse_args()
@@ skipping 62 matching lines @@
     def __init__(self, *args, **kwargs):
         IdlCompiler.__init__(self, *args, **kwargs)
         self.code_generator = CodeGeneratorV8(self.info_provider,
                                               self.cache_directory,
                                               self.output_directory)
 
     def compile_file(self, idl_filename):
         self.compile_and_write(idl_filename)
 
 
+class IdlCompilerWebModules(IdlCompiler):
+    def __init__(self, *args, **kwargs):
+        IdlCompiler.__init__(self, *args, **kwargs)
+        self.code_generator = CodeGeneratorWebModules(self.info_provider,
+                                                      self.cache_directory,
+                                                      self.output_directory)
+
+    def compile_file(self, idl_filename):
+        self.compile_and_write(idl_filename)
+
+
 class IdlCompilerDictionaryImpl(IdlCompiler):
     def __init__(self, *args, **kwargs):
         IdlCompiler.__init__(self, *args, **kwargs)
         self.code_generator = CodeGeneratorDictionaryImpl(
             self.info_provider, self.cache_directory, self.output_directory)
 
     def compile_file(self, idl_filename):
         self.compile_and_write(idl_filename)
 
 
 def generate_bindings(options, input_filename):
     info_provider = create_component_info_provider(
         options.info_dir, options.target_component)
-    idl_compiler = IdlCompilerV8(
-        options.output_directory,
-        cache_directory=options.cache_directory,
-        info_provider=info_provider,
-        only_if_changed=options.write_file_only_if_changed,
-        target_component=options.target_component)
-    idl_compiler.compile_file(input_filename)
 
+    if options.web_modules:
+        web_modules_compiler = IdlCompilerWebModules(
+            os.path.join(options.output_directory, "webmodules"),
+            cache_directory=options.cache_directory,
+            info_provider=info_provider,
+            only_if_changed=options.write_file_only_if_changed,
+            target_component=options.target_component)
+        web_modules_compiler.compile_file(input_filename)
+    else:
+        idl_compiler = IdlCompilerV8(
+            os.path.join(options.output_directory, "v8"),
+            cache_directory=options.cache_directory,
+            info_provider=info_provider,
+            only_if_changed=options.write_file_only_if_changed,
+            target_component=options.target_component)
+        idl_compiler.compile_file(input_filename)
 
 def generate_dictionary_impl(options, input_filename):
     info_provider = create_component_info_provider(
         options.info_dir, options.target_component)
     idl_compiler = IdlCompilerDictionaryImpl(
         options.impl_output_directory,
         cache_directory=options.cache_directory,
         info_provider=info_provider,
         only_if_changed=options.write_file_only_if_changed)
 
@@ skipping 25 matching lines @@
         # dictionary paths.
         generate_dictionary_impl(options, input_filename)
         generate_union_type_containers(options)
     else:
         # |input_filename| should be a path of an IDL file.
         generate_bindings(options, input_filename)
 
 
 if __name__ == '__main__':
     sys.exit(main())