Initial patch for the web modules layered platform proposal.

Source/bindings/scripts/idl_compiler.py

Index: Source/bindings/scripts/idl_compiler.py
diff --git a/Source/bindings/scripts/idl_compiler.py b/Source/bindings/scripts/idl_compiler.py
index 7734def8dbe3df7da02694259070a90b45dc4468..b32bf07d18eb04dbb6987ce13bdbb2cd29ed0b7c 100755
--- a/Source/bindings/scripts/idl_compiler.py
+++ b/Source/bindings/scripts/idl_compiler.py
@@ -39,6 +39,7 @@ 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
 
@@ -52,6 +53,8 @@ def parse_options():
     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.
@@ -134,6 +137,17 @@ class IdlCompilerV8(IdlCompiler):
         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)
@@ -147,14 +161,23 @@ class IdlCompilerDictionaryImpl(IdlCompiler):
 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(