Roll 50: Copied IDLs, PYTHON scripts from WebKit removed deleted files in WebCore

bindings/scripts/v8_attributes.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 37 matching lines @@
     idl_type = attribute.idl_type
     base_idl_type = idl_type.base_type
     extended_attributes = attribute.extended_attributes
 
     idl_type.add_includes_for_type(extended_attributes)
     if idl_type.enum_values:
         includes.add('core/inspector/ConsoleMessage.h')
 
     # [CheckSecurity]
     is_do_not_check_security = 'DoNotCheckSecurity' in extended_attributes
-    is_check_security_for_frame = (
-        has_extended_attribute_value(interface, 'CheckSecurity', 'Frame') and
+    is_check_security_for_receiver = (
+        has_extended_attribute_value(interface, 'CheckSecurity', 'Receiver') and
         not is_do_not_check_security)
-    is_check_security_for_node = (
-        has_extended_attribute_value(attribute, 'CheckSecurity', 'Node'))
-    is_check_security_for_window = (
-        has_extended_attribute_value(interface, 'CheckSecurity', 'Window') and
-        not is_do_not_check_security)
-    if is_check_security_for_frame or is_check_security_for_node or is_check_security_for_window:
+    is_check_security_for_return_value = (
+        has_extended_attribute_value(attribute, 'CheckSecurity', 'ReturnValue'))
+    if is_check_security_for_receiver or is_check_security_for_return_value:
         includes.add('bindings/core/v8/BindingSecurity.h')
+    # [Constructor]
+    # TODO(yukishiino): Constructors are much like methods although constructors
+    # are not methods.  Constructors must be data-type properties, and we can
+    # support them as a kind of methods.
+    constructor_type = idl_type.constructor_type_name if is_constructor_attribute(attribute) else None
     # [CustomElementCallbacks], [Reflect]
     is_custom_element_callbacks = 'CustomElementCallbacks' in extended_attributes
     is_reflect = 'Reflect' in extended_attributes
     if is_custom_element_callbacks or is_reflect:
         includes.add('core/dom/custom/CustomElementProcessingStack.h')
     # [ImplementedInPrivateScript]
     is_implemented_in_private_script = 'ImplementedInPrivateScript' in extended_attributes
     if is_implemented_in_private_script:
         includes.add('bindings/core/v8/PrivateScriptRunner.h')
         includes.add('core/frame/LocalFrame.h')
         includes.add('platform/ScriptForbiddenScope.h')
     # [OnlyExposedToPrivateScript]
     is_only_exposed_to_private_script = 'OnlyExposedToPrivateScript' in extended_attributes
     # [PerWorldBindings]
     if 'PerWorldBindings' in extended_attributes:
         assert idl_type.is_wrapper_type or 'LogActivity' in extended_attributes, '[PerWorldBindings] should only be used with wrapper types: %s.%s' % (interface.name, attribute.name)
 
     if (base_idl_type == 'EventHandler' and
         interface.name in ['Window', 'WorkerGlobalScope'] and
         attribute.name == 'onerror'):
         includes.add('bindings/core/v8/V8ErrorHandler.h')
 
     cached_attribute_validation_method = extended_attributes.get('CachedAttribute')
     keep_alive_for_gc = is_keep_alive_for_gc(interface, attribute)
     if cached_attribute_validation_method or keep_alive_for_gc:
         includes.add('bindings/core/v8/V8HiddenValue.h')
 
+    if 'RuntimeEnabled' in extended_attributes:
+        includes.add('platform/RuntimeEnabledFeatures.h')
+
+    if 'OriginTrialEnabled' in extended_attributes:
+        includes.add('core/inspector/ConsoleMessage.h')
+        includes.add('core/origin_trials/OriginTrials.h')
+
     context = {
         'access_control_list': access_control_list(interface, attribute),
         'activity_logging_world_list_for_getter': v8_utilities.activity_logging_world_list(attribute, 'Getter'),  # [ActivityLogging]
         'activity_logging_world_list_for_setter': v8_utilities.activity_logging_world_list(attribute, 'Setter'),  # [ActivityLogging]
         'activity_logging_world_check': v8_utilities.activity_logging_world_check(attribute),  # [ActivityLogging]
         'argument_cpp_type': idl_type.cpp_type_args(used_as_rvalue_type=True),
         'cached_attribute_validation_method': cached_attribute_validation_method,
-        'conditional_string': v8_utilities.conditional_string(attribute),
-        'constructor_type': idl_type.constructor_type_name
-                            if is_constructor_attribute(attribute) else None,
+        'constructor_type': constructor_type,
         'cpp_name': cpp_name(attribute),
         'cpp_type': idl_type.cpp_type,
         'cpp_type_initializer': idl_type.cpp_type_initializer,
         'deprecate_as': v8_utilities.deprecate_as(attribute),  # [DeprecateAs]
         'enum_type': idl_type.enum_type,
         'enum_values': idl_type.enum_values,
         'exposed_test': v8_utilities.exposed(attribute, interface),  # [Exposed]
         'has_custom_getter': has_custom_getter(attribute),
         'has_custom_setter': has_custom_setter(attribute),
         'has_setter': has_setter(attribute),
         'idl_type': str(idl_type),  # need trailing [] on array for Dictionary::ConversionContext::setConversionType
+        'is_origin_trial_enabled': v8_utilities.origin_trial_enabled_function(attribute) or v8_utilities.origin_trial_enabled_function(interface),  # [OriginTrialEnabled]
         'is_call_with_execution_context': has_extended_attribute_value(attribute, 'CallWith', 'ExecutionContext'),
         'is_call_with_script_state': has_extended_attribute_value(attribute, 'CallWith', 'ScriptState'),
-        'is_check_security_for_frame': is_check_security_for_frame,
-        'is_check_security_for_node': is_check_security_for_node,
-        'is_check_security_for_window': is_check_security_for_window,
+        'is_check_security_for_receiver': is_check_security_for_receiver,
+        'is_check_security_for_return_value': is_check_security_for_return_value,
         'is_custom_element_callbacks': is_custom_element_callbacks,
-        'is_expose_js_accessors': is_expose_js_accessors(interface, attribute),
+        # TODO(yukishiino): Make all DOM attributes accessor-type properties.
+        'is_data_type_property': constructor_type or interface.name == 'Window' or interface.name == 'Location',
         'is_getter_raises_exception':  # [RaisesException]
             'RaisesException' in extended_attributes and
             extended_attributes['RaisesException'] in (None, 'Getter'),
         'is_implemented_in_private_script': is_implemented_in_private_script,
         'is_keep_alive_for_gc': keep_alive_for_gc,
         'is_lenient_this': 'LenientThis' in extended_attributes,
         'is_nullable': idl_type.is_nullable,
         'is_explicit_nullable': idl_type.is_explicit_nullable,
         'is_partial_interface_member':
             'PartialInterfaceImplementedAs' in extended_attributes,
         'is_per_world_bindings': 'PerWorldBindings' in extended_attributes,
         'is_put_forwards': 'PutForwards' in extended_attributes,
         'is_read_only': attribute.is_read_only,
         'is_reflect': is_reflect,
         'is_replaceable': 'Replaceable' in attribute.extended_attributes,
         'is_static': attribute.is_static,
         'is_url': 'URL' in extended_attributes,
         'is_unforgeable': is_unforgeable(interface, attribute),
         'on_instance': v8_utilities.on_instance(interface, attribute),
         'on_interface': v8_utilities.on_interface(interface, attribute),
         'on_prototype': v8_utilities.on_prototype(interface, attribute),
+        'origin_trial_enabled': v8_utilities.origin_trial_enabled_function(attribute),  # [OriginTrialEnabled]
+        'origin_trial_enabled_per_interface': v8_utilities.origin_trial_enabled_function(interface),  # [OriginTrialEnabled]
+        'origin_trial_name': extended_attributes.get('OriginTrialEnabled'),  # [OriginTrialEnabled]
         'use_output_parameter_for_result': idl_type.use_output_parameter_for_result,
         'measure_as': v8_utilities.measure_as(attribute, interface),  # [MeasureAs]
         'name': attribute.name,
         'only_exposed_to_private_script': is_only_exposed_to_private_script,
         'private_script_v8_value_to_local_cpp_value': idl_type.v8_value_to_local_cpp_value(
             extended_attributes, 'v8Value', 'cppValue', bailout_return_value='false', isolate='scriptState->isolate()'),
         'property_attributes': property_attributes(interface, attribute),
         'reflect_empty': extended_attributes.get('ReflectEmpty'),
         'reflect_invalid': extended_attributes.get('ReflectInvalid', ''),
         'reflect_missing': extended_attributes.get('ReflectMissing'),
@@ skipping 176 matching lines @@
         context['cpp_setter'] = '%sCreateDataProperty(propertyName, v8Value, info)' % cpp_name(interface)
         return
 
     extended_attributes = attribute.extended_attributes
     idl_type = attribute.idl_type
 
     # [RaisesException], [RaisesException=Setter]
     is_setter_raises_exception = (
         'RaisesException' in extended_attributes and
         extended_attributes['RaisesException'] in [None, 'Setter'])
-    # [TypeChecking=Interface] / [LegacyInterfaceTypeChecking]
+    # [LegacyInterfaceTypeChecking]
     has_type_checking_interface = (
         not is_legacy_interface_type_checking(interface, attribute) and
         idl_type.is_wrapper_type)
 
     context.update({
         'has_setter_exception_state':
             is_setter_raises_exception or has_type_checking_interface or
             idl_type.v8_conversion_needs_exception_state,
         'has_type_checking_interface': has_type_checking_interface,
         'is_setter_call_with_execution_context': has_extended_attribute_value(
@@ skipping 131 matching lines @@
 
 
 # [Custom], [Custom=Setter]
 def has_custom_setter(attribute):
     extended_attributes = attribute.extended_attributes
     return (not attribute.is_read_only and
             'Custom' in extended_attributes and
             extended_attributes['Custom'] in [None, 'Setter'])
 
 
-# [ExposeJSAccessors]
-def is_expose_js_accessors(interface, attribute):
-    # Default behavior
-    is_accessor = True
-
-    if ('ExposeJSAccessors' in interface.extended_attributes and
-            'DoNotExposeJSAccessors' in interface.extended_attributes):
-        raise Exception('Both of ExposeJSAccessors and DoNotExposeJSAccessors are specified at a time in an interface: ' + interface.name)
-    if 'ExposeJSAccessors' in interface.extended_attributes:
-        is_accessor = True
-    if 'DoNotExposeJSAccessors' in interface.extended_attributes:
-        is_accessor = False
-
-    # Note that ExposeJSAccessors and DoNotExposeJSAccessors are more powerful
-    # than 'static', [Unforgeable] and [OverrideBuiltins].
-    if ('ExposeJSAccessors' in attribute.extended_attributes and
-            'DoNotExposeJSAccessors' in attribute.extended_attributes):
-        raise Exception('Both of ExposeJSAccessors and DoNotExposeJSAccessors are specified at a time on an attribute: ' + attribute.name + ' in an interface: ' + interface.name)
-    if 'ExposeJSAccessors' in attribute.extended_attributes:
-        return True
-    if 'DoNotExposeJSAccessors' in attribute.extended_attributes:
-        return False
-
-    # These attributes must not be accessors on prototype chains.
-    if (is_constructor_attribute(attribute) or
-            attribute.is_static or
-            is_unforgeable(interface, attribute) or
-            'OverrideBuiltins' in interface.extended_attributes):
-        return False
-
-    # The members of Window interface must be placed on the instance object.
-    if interface.name == 'Window':
-        return False
-
-    return is_accessor
-
-
 ################################################################################
 # Constructors
 ################################################################################
 
 idl_types.IdlType.constructor_type_name = property(
     # FIXME: replace this with a [ConstructorAttribute] extended attribute
     lambda self: strip_suffix(self.base_type, 'Constructor'))
 
 
 def is_constructor_attribute(attribute):
     # FIXME: replace this with [ConstructorAttribute] extended attribute
     return attribute.idl_type.name.endswith('Constructor')
 
 
 def update_constructor_attribute_context(interface, attribute, context):
-    context['needs_constructor_getter_callback'] = context['measure_as'] or context['deprecate_as']
+    context['needs_constructor_getter_callback'] = context['measure_as'] or context['deprecate_as'] or context['origin_trial_name']
     # When the attribute name is the same as the interface name, do not generate
     # callback functions for each attribute and use
     # {{cpp_class}}ConstructorAttributeSetterCallback.  Otherwise, generate
     # a callback function in order to hard-code the attribute name.
     context['needs_constructor_setter_callback'] = context['name'] != context['constructor_type']