[WIP] bindings: Introduce PropertyBag

Source/bindings/scripts/v8_types.py

 # 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
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 483 matching lines @@
     else:
         arguments = v8_value
 
     if base_idl_type in V8_VALUE_TO_CPP_VALUE:
         cpp_expression_format = V8_VALUE_TO_CPP_VALUE[base_idl_type]
     elif idl_type.is_typed_array_element_type:
         cpp_expression_format = (
             '{v8_value}->Is{idl_type}() ? '
             'V8{idl_type}::toImpl(v8::Handle<v8::{idl_type}>::Cast({v8_value})) : 0')
     elif idl_type.is_dictionary:
-        cpp_expression_format = 'V8{idl_type}::toImpl({isolate}, {v8_value})'
+        cpp_expression_format = 'V8{idl_type}::toImpl({isolate}, {v8_value}, exceptionState)'
     else:
         cpp_expression_format = (
             'V8{idl_type}::toImplWithTypeCheck({isolate}, {v8_value})')
 
     return cpp_expression_format.format(arguments=arguments, idl_type=base_idl_type, v8_value=v8_value, isolate=isolate)
 
 
 def v8_value_to_cpp_value_array_or_sequence(native_array_element_type, v8_value, index, isolate='info.GetIsolate()'):
     # Index is None for setters, index (starting at 0) for method arguments,
     # and is used to provide a human-readable exception message
@@ skipping 22 matching lines @@
     if idl_type.is_union_type:
         return ''
 
     this_cpp_type = idl_type.cpp_type_args(extended_attributes=extended_attributes, raw_type=True)
 
     idl_type = idl_type.preprocessed_type
     cpp_value = v8_value_to_cpp_value(idl_type, extended_attributes, v8_value, index, isolate)
     args = [variable_name, cpp_value]
     if idl_type.base_type == 'DOMString':
         macro = 'TOSTRING_DEFAULT' if used_in_private_script else 'TOSTRING_VOID'
-    elif idl_type.may_raise_exception_on_conversion:
+    elif (idl_type.may_raise_exception_on_conversion and
+          not idl_type.is_dictionary):
         macro = 'TONATIVE_DEFAULT_EXCEPTIONSTATE' if used_in_private_script else 'TONATIVE_VOID_EXCEPTIONSTATE'
         args.append('exceptionState')
     else:
         macro = 'TONATIVE_DEFAULT' if used_in_private_script else 'TONATIVE_VOID'
 
     if used_in_private_script:
         args.append('false')
 
     # Macros come in several variants, to minimize expensive creation of
     # v8::TryCatch.
@@ skipping 254 matching lines @@
 
 
 def is_explicit_nullable(idl_type):
     # Nullable type that isn't implicit nullable (see above.) For such types,
     # we use Nullable<T> or similar explicit ways to represent a null value.
     return idl_type.is_nullable and not idl_type.is_implicit_nullable
 
 IdlTypeBase.is_implicit_nullable = property(is_implicit_nullable)
 IdlUnionType.is_implicit_nullable = False
 IdlTypeBase.is_explicit_nullable = property(is_explicit_nullable)