def member_context(dictionary, member):
extended_attributes = member.extended_attributes
idl_type = member.idl_type
idl_type.add_includes_for_type(extended_attributes)
unwrapped_idl_type = unwrap_nullable_if_needed(idl_type)
if member.is_required and member.default_value:
raise Exception(
'Required member %s must not have a default value.' % member.name)
def default_values():
if not member.default_value:
return None, None
if member.default_value.is_null:
return None, 'v8::Null(isolate)'
cpp_default_value = unwrapped_idl_type.literal_cpp_value(
member.default_value)
v8_default_value = unwrapped_idl_type.cpp_value_to_v8_value(
cpp_value=cpp_default_value, isolate='isolate',
creation_context='creationContext')
return cpp_default_value, v8_default_value
cpp_default_value, v8_default_value = default_values()
cpp_name = to_snake_case(v8_utilities.cpp_name(member))
getter_name = getter_name_for_dictionary_member(member)
is_deprecated_dictionary = unwrapped_idl_type.name == 'Dictionary'
return {
'cpp_default_value': cpp_default_value,
'cpp_name': cpp_name,
'cpp_type': unwrapped_idl_type.cpp_type,
'cpp_value_to_v8_value': unwrapped_idl_type.cpp_value_to_v8_value(
cpp_value='impl.%s()' % getter_name, isolate='isolate',
creation_context='creationContext',
extended_attributes=extended_attributes),
'deprecate_as': v8_utilities.deprecate_as(member),
'enum_type': idl_type.enum_type,
'enum_values': idl_type.enum_values,
'getter_name': getter_name,
'has_method_name': has_method_name_for_dictionary_member(member),
'idl_type': idl_type.base_type,
'is_interface_type': idl_type.is_interface_type and not is_deprecated_dictionary,
'is_nullable': idl_type.is_nullable,
'is_object': unwrapped_idl_type.name == 'Object' or is_deprecated_dictionary,
'is_string_type': idl_type.preprocessed_type.is_string_type,
'is_required': member.is_required,
'name': member.name,
'origin_trial_feature_name': v8_utilities.origin_trial_feature_name(member), # [OriginTrialEnabled]
'runtime_enabled_feature_name': v8_utilities.runtime_enabled_feature_name(member), # [RuntimeEnabled]
'setter_name': setter_name_for_dictionary_member(member),
'null_setter_name': null_setter_name_for_dictionary_member(member),
'v8_default_value': v8_default_value,
'v8_value_to_local_cpp_value': idl_type.v8_value_to_local_cpp_value(
extended_attributes, member.name + 'Value',
member.name + 'CppValue', isolate='isolate', use_exception_state=True),
}
def member_context(dictionary, member):
extended_attributes = member.extended_attributes
idl_type = member.idl_type
idl_type.add_includes_for_type(extended_attributes)
unwrapped_idl_type = unwrap_nullable_if_needed(idl_type)
if member.is_required and member.default_value:
raise Exception(
'Required member %s must not have a default value.' % member.name)
def default_values():
if not member.default_value:
return None, None
if member.default_value.is_null:
return None, 'v8::Null(isolate)'
cpp_default_value = unwrapped_idl_type.literal_cpp_value(
member.default_value)
v8_default_value = unwrapped_idl_type.cpp_value_to_v8_value(
cpp_value=cpp_default_value, isolate='isolate',
creation_context='creationContext')
return cpp_default_value, v8_default_value
cpp_default_value, v8_default_value = default_values()
cpp_name = v8_utilities.cpp_name(member)
getter_name = getter_name_for_dictionary_member(member)
is_deprecated_dictionary = unwrapped_idl_type.name == 'Dictionary'
return {
'cpp_default_value': cpp_default_value,
'cpp_name': cpp_name,
'cpp_type': unwrapped_idl_type.cpp_type,
'cpp_value_to_v8_value': unwrapped_idl_type.cpp_value_to_v8_value(
cpp_value='impl.%s()' % getter_name, isolate='isolate',
creation_context='creationContext',
extended_attributes=extended_attributes),
'deprecate_as': v8_utilities.deprecate_as(member),
'enum_type': idl_type.enum_type,
'enum_values': unwrapped_idl_type.enum_values,
'getter_name': getter_name,
'has_method_name': has_method_name_for_dictionary_member(member),
'idl_type': idl_type.base_type,
'is_interface_type': idl_type.is_interface_type and not is_deprecated_dictionary,
'is_nullable': idl_type.is_nullable,
'is_object': unwrapped_idl_type.name == 'Object' or is_deprecated_dictionary,
'is_required': member.is_required,
'name': member.name,
'runtime_enabled_feature_name': v8_utilities.runtime_enabled_feature_name(member), # [RuntimeEnabled]
'setter_name': setter_name_for_dictionary_member(member),
'null_setter_name': null_setter_name_for_dictionary_member(member),
'v8_default_value': v8_default_value,
'v8_value_to_local_cpp_value': unwrapped_idl_type.v8_value_to_local_cpp_value(
extended_attributes, member.name + 'Value',
member.name + 'CppValue', isolate='isolate', use_exception_state=True),
}
def has_impl(interface):
component_info = self._info_provider.component_info
runtime_features = component_info['runtime_enabled_features']
# Non legacy callback interface does not provide V8 callbacks.
if interface.is_callback:
return len(interface.constants) > 0
if v8_utilities.runtime_enabled_feature_name(interface, runtime_features):
return False
if 'Exposed' not in interface.extended_attributes:
return True
return any(exposure.exposed == 'Window' and exposure.runtime_enabled is None
for exposure in interface.extended_attributes['Exposed'])
def attribute_context(interface, attribute, interfaces, component_info):
"""Creates a Jinja template context for an attribute of an interface.
Args:
interface: An interface which |attribute| belongs to
attribute: An attribute to create the context for
interfaces: A dict which maps an interface name to the definition
which can be referred if needed
component_info: A dict containing component wide information
Returns:
A Jinja template context for |attribute|
"""
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/console_message.h')
includes.add('platform/heap/heap.h')
# [CheckSecurity]
is_cross_origin = 'CrossOrigin' in extended_attributes
is_check_security_for_receiver = (has_extended_attribute_value(
interface, 'CheckSecurity', 'Receiver') and is_cross_origin)
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/binding_security.h')
if is_check_security_for_return_value:
includes.add('core/frame/web_feature.h')
includes.add('platform/instrumentation/use_counter.h')
# [CrossOrigin]
if has_extended_attribute_value(attribute, 'CrossOrigin', 'Setter'):
includes.add('platform/bindings/v8_cross_origin_callback_info.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
# [CEReactions]
is_ce_reactions = 'CEReactions' in extended_attributes
if is_ce_reactions:
includes.add('core/html/custom/ce_reactions_scope.h')
# [CustomElementCallbacks], [Reflect]
is_custom_element_callbacks = 'CustomElementCallbacks' in extended_attributes
is_reflect = 'Reflect' in extended_attributes
# [ReflectOnly]
reflect_only = extended_attribute_value_as_list(attribute, 'ReflectOnly')
if reflect_only:
reflect_only = map(
lambda v: cpp_content_attribute_value_name(interface, v),
reflect_only)
if is_custom_element_callbacks or is_reflect:
includes.add('core/html/custom/v0_custom_element_processing_stack.h')
# [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)
# [SaveSameObject]
is_save_same_object = ('SameObject' in attribute.extended_attributes and
'SaveSameObject' in attribute.extended_attributes)
# [StringContext]
if idl_type.has_string_context:
includes.add('bindings/core/v8/generated_code_helper.h')
# [CachedAccessor]
is_cached_accessor = 'CachedAccessor' in extended_attributes
# [LenientSetter]
is_lenient_setter = 'LenientSetter' in extended_attributes
# [CachedAttribute]
cached_attribute_validation_method = extended_attributes.get(
'CachedAttribute')
keep_alive_for_gc = is_keep_alive_for_gc(interface, attribute)
does_generate_getter = (not has_custom_getter(attribute)
and not constructor_type)
does_generate_setter = (
has_setter(interface, attribute)
and not (has_custom_setter(attribute) or is_lenient_setter))
use_private_property_in_getter = (does_generate_getter
and (cached_attribute_validation_method
or is_save_same_object
or keep_alive_for_gc))
use_private_property_in_setter = (does_generate_setter
and cached_attribute_validation_method)
private_property_is_shared_between_getter_and_setter = (
use_private_property_in_getter and use_private_property_in_setter)
does_use_private_property = (use_private_property_in_getter
or use_private_property_in_setter
or is_cached_accessor)
if does_use_private_property:
includes.add('platform/bindings/v8_private_property.h')
# [LogActivity]
if 'LogActivity' in extended_attributes:
includes.add('platform/bindings/v8_per_context_data.h')
# [DeprecateAs], [MeasureAs]
deprecate_as = v8_utilities.deprecate_as(attribute)
measure_as = v8_utilities.measure_as(attribute, interface)
# [HighEntropy]
high_entropy = v8_utilities.high_entropy(attribute)
is_lazy_data_attribute = \
(constructor_type and not (measure_as or deprecate_as)) or \
(str(idl_type) == 'Window' and attribute.name in ('frames', 'self', 'window'))
runtime_features = component_info['runtime_enabled_features']
internal_name = cpp_encoded_property_name(attribute)
cpp_type = idl_type.cpp_type
if idl_type.is_explicit_nullable:
cpp_type = v8_types.cpp_template_type('base::Optional', cpp_type)
context = {
# [ActivityLogging]
'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),
'cached_accessor_name':
'k%s%s' % (interface.name, attribute.name.capitalize()),
'cached_attribute_validation_method':
cached_attribute_validation_method,
'camel_case_name':
NameStyleConverter(internal_name).to_upper_camel_case(),
'constructor_type':
constructor_type,
'context_enabled_feature_name':
v8_utilities.context_enabled_feature_name(attribute),
'cpp_name': cpp_name(attribute),
'cpp_type': cpp_type,
'cpp_type_initializer': idl_type.cpp_type_initializer,
'deprecate_as': deprecate_as,
'does_generate_getter': does_generate_getter,
'does_generate_setter': does_generate_setter,
'enum_type': idl_type.enum_type,
'enum_values': idl_type.enum_values,
# [Exposed]
'exposed_test':
v8_utilities.exposed(attribute, interface),
'getter_has_no_side_effect':
has_extended_attribute_value(attribute, 'Affects', 'Nothing'),
'has_cross_origin_getter':
has_extended_attribute_value(attribute, 'CrossOrigin', None) or
has_extended_attribute_value(attribute, 'CrossOrigin', 'Getter'),
'has_cross_origin_setter':
has_extended_attribute_value(attribute, 'CrossOrigin', 'Setter'),
'has_custom_getter': has_custom_getter(attribute),
'has_custom_setter': has_custom_setter(attribute),
'has_promise_type': idl_type.name == 'Promise',
'has_setter': has_setter(interface, attribute),
'high_entropy': high_entropy,
'idl_type': str(idl_type),
'is_cached_accessor': is_cached_accessor,
'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_ce_reactions': is_ce_reactions,
'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,
# TODO(yukishiino): Make all DOM attributes accessor-type properties.
'is_data_type_property': is_data_type_property(interface, attribute),
'is_getter_raises_exception': # [RaisesException]
'RaisesException' in extended_attributes and
extended_attributes['RaisesException'] in (None, 'Getter'),
'is_keep_alive_for_gc': keep_alive_for_gc,
'is_lazy_data_attribute': is_lazy_data_attribute,
'is_lenient_setter': is_lenient_setter,
'is_lenient_this': 'LegacyLenientThis' in extended_attributes,
'is_nullable': idl_type.is_nullable,
'is_explicit_nullable': idl_type.is_explicit_nullable,
'is_named_constructor': is_named_constructor_attribute(attribute),
'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_save_same_object': is_save_same_object,
'is_static': attribute.is_static,
'is_url': 'URL' in extended_attributes,
'is_unforgeable': is_unforgeable(attribute),
'measure_as': measure_as,
'name': attribute.name,
'on_instance': v8_utilities.on_instance(interface, attribute),
'on_interface': v8_utilities.on_interface(interface, attribute),
'on_prototype': v8_utilities.on_prototype(interface, attribute),
# [RuntimeEnabled] for origin trial
'origin_trial_feature_name':
v8_utilities.origin_trial_feature_name(attribute, runtime_features),
'private_property_is_shared_between_getter_and_setter':
private_property_is_shared_between_getter_and_setter,
'property_attributes': property_attributes(interface, attribute),
'reflect_empty': cpp_content_attribute_value_name(
interface, extended_attributes.get('ReflectEmpty')),
'reflect_invalid': cpp_content_attribute_value_name(
interface, extended_attributes.get('ReflectInvalid', '')),
'reflect_missing': cpp_content_attribute_value_name(
interface, extended_attributes.get('ReflectMissing')),
'reflect_only': reflect_only,
# [RuntimeEnabled] if not in origin trial
'runtime_enabled_feature_name':
v8_utilities.runtime_enabled_feature_name(attribute, runtime_features),
# [SecureContext]
'secure_context_test': v8_utilities.secure_context(attribute, interface),
'use_output_parameter_for_result': idl_type.use_output_parameter_for_result,
'world_suffixes': (
['', 'ForMainWorld']
if 'PerWorldBindings' in extended_attributes
else ['']), # [PerWorldBindings]
}
if not has_custom_getter(attribute):
getter_context(interface, attribute, context)
if not has_custom_setter(attribute) and has_setter(interface, attribute):
setter_context(interface, attribute, interfaces, context)
# [RuntimeCallStatsCounter]
runtime_call_stats_context(interface, attribute, context)
# [CrossOrigin] is incompatible with a number of other attributes, so check
# for them here.
if is_cross_origin:
if context['has_cross_origin_setter'] and context['has_custom_setter']:
raise Exception(
'[CrossOrigin] and [Custom] are incompatible on the same setter: %s.%s',
interface.name, attribute.name)
if context['is_per_world_bindings']:
raise Exception(
'[CrossOrigin] and [PerWorldBindings] are incompatible: %s.%s',
interface.name, attribute.name)
if context['constructor_type']:
raise Exception(
'[CrossOrigin] cannot be used for constructors: %s.%s',
interface.name, attribute.name)
return context
def attribute_context(interface, attribute, interfaces):
"""Creates a Jinja template context for an attribute of an interface.
Args:
interface: An interface which |attribute| belongs to
attribute: An attribute to create the context for
interfaces: A dict which maps an interface name to the definition
which can be referred if needed
Returns:
A Jinja template context for |attribute|
"""
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_cross_origin = 'CrossOrigin' in extended_attributes
is_check_security_for_receiver = (has_extended_attribute_value(
interface, 'CheckSecurity', 'Receiver') and is_cross_origin)
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')
# [CrossOrigin]
if has_extended_attribute_value(attribute, 'CrossOrigin', 'Setter'):
includes.add('bindings/core/v8/V8CrossOriginSetterInfo.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
# [CEReactions]
is_ce_reactions = 'CEReactions' in extended_attributes
if is_ce_reactions:
includes.add('core/dom/custom/CEReactionsScope.h')
# [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/V0CustomElementProcessingStack.h')
# [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)
# [SaveSameObject]
is_save_same_object = ('SameObject' in attribute.extended_attributes and
'SaveSameObject' in attribute.extended_attributes)
if is_save_same_object:
includes.add('bindings/core/v8/V8PrivateProperty.h')
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')
# [CachedAccessor]
is_cached_accessor = 'CachedAccessor' in extended_attributes
if is_cached_accessor:
includes.add('bindings/core/v8/V8PrivateProperty.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]
'cached_attribute_validation_method': cached_attribute_validation_method,
'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_cross_origin_getter':
has_extended_attribute_value(attribute, 'CrossOrigin', None) or
has_extended_attribute_value(attribute, 'CrossOrigin', 'Getter'),
'has_cross_origin_setter': has_extended_attribute_value(attribute, 'CrossOrigin', 'Setter'),
'has_custom_getter': has_custom_getter(attribute),
'has_custom_setter': has_custom_setter(attribute),
'has_setter': has_setter(interface, attribute),
'idl_type': str(idl_type), # need trailing [] on array for Dictionary::ConversionContext::setConversionType
'is_cached_accessor': is_cached_accessor,
'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_ce_reactions': is_ce_reactions,
'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,
# TODO(yukishiino): Make all DOM attributes accessor-type properties.
'is_data_type_property': is_data_type_property(interface, attribute),
'is_getter_raises_exception': # [RaisesException]
'RaisesException' in extended_attributes and
extended_attributes['RaisesException'] in (None, 'Getter'),
'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_save_same_object': is_save_same_object,
'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_function': v8_utilities.origin_trial_enabled_function_name(attribute), # [OriginTrialEnabled]
'origin_trial_feature_name': v8_utilities.origin_trial_feature_name(attribute), # [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,
'property_attributes': property_attributes(interface, attribute),
'reflect_empty': extended_attributes.get('ReflectEmpty'),
'reflect_invalid': extended_attributes.get('ReflectInvalid', ''),
'reflect_missing': extended_attributes.get('ReflectMissing'),
'reflect_only': extended_attribute_value_as_list(attribute, 'ReflectOnly'),
'runtime_enabled_feature_name': v8_utilities.runtime_enabled_feature_name(attribute), # [RuntimeEnabled]
'secure_context_test': v8_utilities.secure_context(attribute, interface), # [SecureContext]
'cached_accessor_name': '%s%sCachedAccessor' % (interface.name, attribute.name.capitalize()),
'world_suffixes': (
['', 'ForMainWorld']
if 'PerWorldBindings' in extended_attributes
else ['']), # [PerWorldBindings]
}
if is_constructor_attribute(attribute):
update_constructor_attribute_context(interface, attribute, context)
if not has_custom_getter(attribute):
getter_context(interface, attribute, context)
if not has_custom_setter(attribute) and has_setter(interface, attribute):
setter_context(interface, attribute, interfaces, context)
# [CrossOrigin] is incompatible with a number of other attributes, so check
# for them here.
if is_cross_origin:
if context['has_cross_origin_getter'] and context['has_custom_getter']:
raise Exception(
'[CrossOrigin] and [Custom] are incompatible on the same getter: %s.%s',
interface.name, attribute.name)
if context['has_cross_origin_setter'] and context['has_custom_setter']:
raise Exception(
'[CrossOrigin] and [Custom] are incompatible on the same setter: %s.%s',
interface.name, attribute.name)
if context['is_per_world_bindings']:
raise Exception(
'[CrossOrigin] and [PerWorldBindings] are incompatible: %s.%s',
interface.name, attribute.name)
if context['constructor_type']:
raise Exception(
'[CrossOrigin] cannot be used for constructors: %s.%s',
interface.name, attribute.name)
return context
def member_context(dictionary, member):
extended_attributes = member.extended_attributes
idl_type = member.idl_type
idl_type.add_includes_for_type(extended_attributes)
unwrapped_idl_type = unwrap_nullable_if_needed(idl_type)
if member.is_required and member.default_value:
raise Exception('Required member %s must not have a default value.' %
member.name)
# In most cases, we don't have to distinguish `null` and `not present`,
# and use null-states (e.g. nullptr, foo.IsUndefinedOrNull()) to show such
# states for some types for memory usage and performance.
# For types whose |has_explicit_presence| is True, we provide explicit
# states of presence.
has_explicit_presence = (idl_type.is_nullable
and idl_type.inner_type.is_interface_type)
def default_values():
if not member.default_value:
return None, None
if member.default_value.is_null:
return None, 'v8::Null(isolate)'
cpp_default_value = unwrapped_idl_type.literal_cpp_value(
member.default_value)
v8_default_value = unwrapped_idl_type.cpp_value_to_v8_value(
cpp_value=cpp_default_value,
isolate='isolate',
creation_context='creationContext')
return cpp_default_value, v8_default_value
cpp_default_value, v8_default_value = default_values()
snake_case_name = to_snake_case(member.name)
cpp_value = snake_case_name + "_cpp_value"
v8_value = snake_case_name + "_value"
has_value_or_default = snake_case_name + "_has_value_or_default"
getter_name = getter_name_for_dictionary_member(member)
is_deprecated_dictionary = unwrapped_idl_type.name == 'Dictionary'
return {
'cpp_default_value':
cpp_default_value,
'cpp_type':
unwrapped_idl_type.cpp_type,
'cpp_value':
cpp_value,
'cpp_value_to_v8_value':
unwrapped_idl_type.cpp_value_to_v8_value(
cpp_value='impl.%s()' % getter_name,
isolate='isolate',
creation_context='creationContext',
extended_attributes=extended_attributes),
'deprecate_as':
v8_utilities.deprecate_as(member),
'enum_type':
idl_type.enum_type,
'enum_values':
idl_type.enum_values,
'getter_name':
getter_name,
'has_explicit_presence':
has_explicit_presence,
'has_method_name':
has_method_name_for_dictionary_member(member),
'idl_type':
idl_type.base_type,
'is_interface_type':
idl_type.is_interface_type and not is_deprecated_dictionary,
'is_nullable':
idl_type.is_nullable,
'is_object':
unwrapped_idl_type.name == 'Object' or is_deprecated_dictionary,
'is_string_type':
idl_type.preprocessed_type.is_string_type,
'is_required':
member.is_required,
'name':
member.name,
'origin_trial_feature_name':
v8_utilities.origin_trial_feature_name(member), # [OriginTrialEnabled]
'runtime_enabled_feature_name':
v8_utilities.runtime_enabled_feature_name(member), # [RuntimeEnabled]
'setter_name':
setter_name_for_dictionary_member(member),
'has_value_or_default':
has_value_or_default,
'null_setter_name':
null_setter_name_for_dictionary_member(member),
'v8_default_value':
v8_default_value,
'v8_value':
v8_value,
'v8_value_to_local_cpp_value':
idl_type.v8_value_to_local_cpp_value(extended_attributes,
v8_value,
cpp_value,
isolate='isolate',
use_exception_state=True),
}
def method_context(interface, method, is_visible=True):
arguments = method.arguments
extended_attributes = method.extended_attributes
idl_type = method.idl_type
is_static = method.is_static
name = method.name
if is_visible:
idl_type.add_includes_for_type(extended_attributes)
this_cpp_value = cpp_value(interface, method, len(arguments))
is_call_with_script_arguments = has_extended_attribute_value(method, 'CallWith', 'ScriptArguments')
if is_call_with_script_arguments:
includes.update(['bindings/core/v8/ScriptCallStack.h',
'core/inspector/ScriptArguments.h'])
is_call_with_script_state = has_extended_attribute_value(method, 'CallWith', 'ScriptState')
is_call_with_this_value = has_extended_attribute_value(method, 'CallWith', 'ThisValue')
if is_call_with_script_state or is_call_with_this_value:
includes.add('platform/bindings/ScriptState.h')
# [CheckSecurity]
is_cross_origin = 'CrossOrigin' in extended_attributes
is_check_security_for_receiver = (
has_extended_attribute_value(interface, 'CheckSecurity', 'Receiver') and
not is_cross_origin)
is_check_security_for_return_value = (
has_extended_attribute_value(method, 'CheckSecurity', 'ReturnValue'))
if is_check_security_for_receiver or is_check_security_for_return_value:
includes.add('bindings/core/v8/BindingSecurity.h')
is_ce_reactions = 'CEReactions' in extended_attributes
if is_ce_reactions:
includes.add('core/html/custom/CEReactionsScope.h')
is_custom_element_callbacks = 'CustomElementCallbacks' in extended_attributes
if is_custom_element_callbacks:
includes.add('core/html/custom/V0CustomElementProcessingStack.h')
is_raises_exception = 'RaisesException' in extended_attributes
is_custom_call_prologue = has_extended_attribute_value(method, 'Custom', 'CallPrologue')
is_custom_call_epilogue = has_extended_attribute_value(method, 'Custom', 'CallEpilogue')
is_post_message = 'PostMessage' in extended_attributes
if is_post_message:
includes.add('bindings/core/v8/serialization/SerializedScriptValueFactory.h')
includes.add('bindings/core/v8/serialization/Transferables.h')
includes.add('core/typed_arrays/DOMArrayBufferBase.h')
includes.add('core/imagebitmap/ImageBitmap.h')
if 'LenientThis' in extended_attributes:
raise Exception('[LenientThis] is not supported for operations.')
argument_contexts = [
argument_context(interface, method, argument, index, is_visible=is_visible)
for index, argument in enumerate(arguments)]
return {
'activity_logging_world_list': v8_utilities.activity_logging_world_list(method), # [ActivityLogging]
'arguments': argument_contexts,
'cpp_type': (v8_types.cpp_template_type('Nullable', idl_type.cpp_type)
if idl_type.is_explicit_nullable else idl_type.cpp_type),
'cpp_value': this_cpp_value,
'cpp_type_initializer': idl_type.cpp_type_initializer,
'deprecate_as': v8_utilities.deprecate_as(method), # [DeprecateAs]
'do_not_test_new_object': 'DoNotTestNewObject' in extended_attributes,
'exposed_test': v8_utilities.exposed(method, interface), # [Exposed]
'has_exception_state':
is_raises_exception or
is_check_security_for_receiver or
any(argument for argument in arguments
if (argument.idl_type.name == 'SerializedScriptValue' or
argument_conversion_needs_exception_state(method, argument))),
'has_optional_argument_without_default_value':
any(True for argument_context in argument_contexts
if argument_context['is_optional_without_default_value']),
'idl_type': idl_type.base_type,
'is_call_with_execution_context': has_extended_attribute_value(method, 'CallWith', 'ExecutionContext'),
'is_call_with_script_arguments': is_call_with_script_arguments,
'is_call_with_script_state': is_call_with_script_state,
'is_call_with_this_value': is_call_with_this_value,
'is_ce_reactions': is_ce_reactions,
'is_check_security_for_receiver': is_check_security_for_receiver,
'is_check_security_for_return_value': is_check_security_for_return_value,
'is_cross_origin': 'CrossOrigin' in extended_attributes,
'is_custom': 'Custom' in extended_attributes and
not (is_custom_call_prologue or is_custom_call_epilogue),
'is_custom_call_prologue': is_custom_call_prologue,
'is_custom_call_epilogue': is_custom_call_epilogue,
'is_custom_element_callbacks': is_custom_element_callbacks,
'is_explicit_nullable': idl_type.is_explicit_nullable,
'is_new_object': 'NewObject' in extended_attributes,
'is_partial_interface_member':
'PartialInterfaceImplementedAs' in extended_attributes,
'is_per_world_bindings': 'PerWorldBindings' in extended_attributes,
'is_post_message': is_post_message,
'is_raises_exception': is_raises_exception,
'is_static': is_static,
'is_unforgeable': is_unforgeable(interface, method),
'is_variadic': arguments and arguments[-1].is_variadic,
'measure_as': v8_utilities.measure_as(method, interface), # [MeasureAs]
'name': name,
'number_of_arguments': len(arguments),
'number_of_required_arguments': len([
argument for argument in arguments
if not (argument.is_optional or argument.is_variadic)]),
'number_of_required_or_variadic_arguments': len([
argument for argument in arguments
if not argument.is_optional]),
'on_instance': v8_utilities.on_instance(interface, method),
'on_interface': v8_utilities.on_interface(interface, method),
'on_prototype': v8_utilities.on_prototype(interface, method),
'origin_trial_enabled_function': v8_utilities.origin_trial_enabled_function_name(method), # [OriginTrialEnabled]
'origin_trial_feature_name': v8_utilities.origin_trial_feature_name(method), # [OriginTrialEnabled]
'property_attributes': property_attributes(interface, method),
'returns_promise': method.returns_promise,
'runtime_call_stats': runtime_call_stats_context(interface, method),
'runtime_enabled_feature_name': v8_utilities.runtime_enabled_feature_name(method), # [RuntimeEnabled]
'secure_context_test': v8_utilities.secure_context(method, interface), # [SecureContext]
'use_output_parameter_for_result': idl_type.use_output_parameter_for_result,
'use_local_result': use_local_result(method),
'v8_set_return_value': v8_set_return_value(interface.name, method, this_cpp_value),
'v8_set_return_value_for_main_world': v8_set_return_value(interface.name, method, this_cpp_value, for_main_world=True),
'visible': is_visible,
'world_suffixes': ['', 'ForMainWorld'] if 'PerWorldBindings' in extended_attributes else [''], # [PerWorldBindings],
}
def method_context(interface, method, component_info, is_visible=True):
arguments = method.arguments
extended_attributes = method.extended_attributes
idl_type = method.idl_type
is_static = method.is_static
name = method.name
if is_visible:
idl_type.add_includes_for_type(extended_attributes)
this_cpp_value = cpp_value(interface, method, len(arguments))
is_call_with_script_state = has_extended_attribute_value(
method, 'CallWith', 'ScriptState')
is_call_with_this_value = has_extended_attribute_value(
method, 'CallWith', 'ThisValue')
if is_call_with_script_state or is_call_with_this_value:
includes.add('platform/bindings/script_state.h')
# [CheckSecurity]
is_cross_origin = 'CrossOrigin' in extended_attributes
is_check_security_for_receiver = (has_extended_attribute_value(
interface, 'CheckSecurity', 'Receiver') and not is_cross_origin)
is_check_security_for_return_value = (has_extended_attribute_value(
method, 'CheckSecurity', 'ReturnValue'))
if is_check_security_for_receiver or is_check_security_for_return_value:
includes.add('bindings/core/v8/binding_security.h')
if is_check_security_for_return_value:
includes.add('core/frame/web_feature.h')
includes.add('platform/instrumentation/use_counter.h')
is_ce_reactions = 'CEReactions' in extended_attributes
if is_ce_reactions:
includes.add('core/html/custom/ce_reactions_scope.h')
is_custom_element_callbacks = 'CustomElementCallbacks' in extended_attributes
if is_custom_element_callbacks:
includes.add('core/html/custom/v0_custom_element_processing_stack.h')
is_raises_exception = 'RaisesException' in extended_attributes
if 'LenientThis' in extended_attributes:
raise Exception('[LenientThis] is not supported for operations.')
if has_extended_attribute_value(method, 'Affects', 'Nothing'):
side_effect_type = 'V8DOMConfiguration::kHasNoSideEffect'
else:
side_effect_type = 'V8DOMConfiguration::kHasSideEffect'
# [LogActivity]
if 'LogActivity' in extended_attributes:
includes.add('platform/bindings/v8_per_context_data.h')
argument_contexts = [
argument_context(interface,
method,
argument,
index,
is_visible=is_visible)
for index, argument in enumerate(arguments)
]
runtime_features = component_info['runtime_enabled_features']
return {
'activity_logging_world_list':
v8_utilities.activity_logging_world_list(method), # [ActivityLogging]
'arguments':
argument_contexts,
'camel_case_name':
NameStyleConverter(name).to_upper_camel_case(),
'cpp_type':
(v8_types.cpp_template_type('base::Optional', idl_type.cpp_type)
if idl_type.is_explicit_nullable else v8_types.cpp_type(
idl_type, extended_attributes=extended_attributes)),
'cpp_value':
this_cpp_value,
'cpp_type_initializer':
idl_type.cpp_type_initializer,
'high_entropy':
v8_utilities.high_entropy(method), # [HighEntropy]
'deprecate_as':
v8_utilities.deprecate_as(method), # [DeprecateAs]
'do_not_test_new_object':
'DoNotTestNewObject' in extended_attributes,
'exposed_test':
v8_utilities.exposed(method, interface), # [Exposed]
'has_exception_state':
is_raises_exception or is_check_security_for_receiver
or any(argument for argument in arguments
if argument_conversion_needs_exception_state(method, argument)),
'has_optional_argument_without_default_value':
any(True for argument_context in argument_contexts
if argument_context['is_optional_without_default_value']),
'idl_type':
idl_type.base_type,
'is_call_with_execution_context':
has_extended_attribute_value(method, 'CallWith', 'ExecutionContext'),
'is_call_with_script_state':
is_call_with_script_state,
'is_call_with_this_value':
is_call_with_this_value,
'is_ce_reactions':
is_ce_reactions,
'is_check_security_for_receiver':
is_check_security_for_receiver,
'is_check_security_for_return_value':
is_check_security_for_return_value,
'is_cross_origin':
'CrossOrigin' in extended_attributes,
'is_custom':
'Custom' in extended_attributes,
'is_custom_element_callbacks':
is_custom_element_callbacks,
'is_explicit_nullable':
idl_type.is_explicit_nullable,
'is_new_object':
'NewObject' in extended_attributes,
'is_partial_interface_member':
'PartialInterfaceImplementedAs' in extended_attributes,
'is_per_world_bindings':
'PerWorldBindings' in extended_attributes,
'is_raises_exception':
is_raises_exception,
'is_static':
is_static,
'is_unforgeable':
is_unforgeable(method),
'is_variadic':
arguments and arguments[-1].is_variadic,
'measure_as':
v8_utilities.measure_as(method, interface), # [MeasureAs]
'name':
name,
'number_of_arguments':
len(arguments),
'number_of_required_arguments':
len([
argument for argument in arguments
if not (argument.is_optional or argument.is_variadic)
]),
'number_of_required_or_variadic_arguments':
len([argument for argument in arguments if not argument.is_optional]),
'on_instance':
v8_utilities.on_instance(interface, method),
'on_interface':
v8_utilities.on_interface(interface, method),
'on_prototype':
v8_utilities.on_prototype(interface, method),
# [RuntimeEnabled] for origin trial
'origin_trial_feature_name':
v8_utilities.origin_trial_feature_name(method, runtime_features),
'property_attributes':
property_attributes(interface, method),
'returns_promise':
method.returns_promise,
'runtime_call_stats':
runtime_call_stats_context(interface, method),
# [RuntimeEnabled] if not in origin trial
'runtime_enabled_feature_name':
v8_utilities.runtime_enabled_feature_name(method, runtime_features),
# [SecureContext]
'secure_context_test':
v8_utilities.secure_context(method, interface),
# [Affects]
'side_effect_type':
side_effect_type,
'snake_case_name':
NameStyleConverter(name).to_snake_case(),
'use_output_parameter_for_result':
idl_type.use_output_parameter_for_result,
'use_local_result':
use_local_result(method),
'v8_set_return_value':
v8_set_return_value(interface.name, method, this_cpp_value),
'v8_set_return_value_for_main_world':
v8_set_return_value(interface.name,
method,
this_cpp_value,
for_main_world=True),
'visible':
is_visible,
'world_suffixes': ['', 'ForMainWorld'] if 'PerWorldBindings'
in extended_attributes else [''], # [PerWorldBindings],
}
def attribute_context(interface, attribute, interfaces):
"""Creates a Jinja template context for an attribute of an interface.
Args:
interface: An interface which |attribute| belongs to
attribute: An attribute to create the context for
interfaces: A dict which maps an interface name to the definition
which can be referred if needed
Returns:
A Jinja template context for |attribute|
"""
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_cross_origin = 'CrossOrigin' in extended_attributes
is_check_security_for_receiver = (
has_extended_attribute_value(interface, 'CheckSecurity', 'Receiver') and
is_cross_origin)
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')
# [CrossOrigin]
if has_extended_attribute_value(attribute, 'CrossOrigin', 'Setter'):
includes.add('bindings/core/v8/V8CrossOriginSetterInfo.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
# [CEReactions]
is_ce_reactions = 'CEReactions' in extended_attributes
if is_ce_reactions:
includes.add('core/html/custom/CEReactionsScope.h')
# [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/html/custom/V0CustomElementProcessingStack.h')
# [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)
# [SaveSameObject]
is_save_same_object = (
'SameObject' in attribute.extended_attributes and
'SaveSameObject' in attribute.extended_attributes)
if is_save_same_object:
includes.add('platform/bindings/V8PrivateProperty.h')
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('platform/bindings/V8PrivateProperty.h')
# [CachedAccessor]
is_cached_accessor = 'CachedAccessor' in extended_attributes
if is_cached_accessor:
includes.add('platform/bindings/V8PrivateProperty.h')
context = {
'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]
'cached_attribute_validation_method': cached_attribute_validation_method,
'constructor_type': constructor_type,
'context_enabled_feature_name': v8_utilities.context_enabled_feature_name(attribute),
'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_cross_origin_getter':
has_extended_attribute_value(attribute, 'CrossOrigin', None) or
has_extended_attribute_value(attribute, 'CrossOrigin', 'Getter'),
'has_cross_origin_setter': has_extended_attribute_value(attribute, 'CrossOrigin', 'Setter'),
'has_custom_getter': has_custom_getter(attribute),
'has_custom_setter': has_custom_setter(attribute),
'has_setter': has_setter(interface, attribute),
'idl_type': str(idl_type),
'is_cached_accessor': is_cached_accessor,
'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_ce_reactions': is_ce_reactions,
'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,
# TODO(yukishiino): Make all DOM attributes accessor-type properties.
'is_data_type_property': is_data_type_property(interface, attribute),
'is_getter_raises_exception': # [RaisesException]
'RaisesException' in extended_attributes and
extended_attributes['RaisesException'] in (None, 'Getter'),
'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_named_constructor': is_named_constructor_attribute(attribute),
'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_save_same_object': is_save_same_object,
'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_function': v8_utilities.origin_trial_enabled_function_name(attribute), # [OriginTrialEnabled]
'origin_trial_feature_name': v8_utilities.origin_trial_feature_name(attribute), # [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,
'property_attributes': property_attributes(interface, attribute),
'reflect_empty': extended_attributes.get('ReflectEmpty'),
'reflect_invalid': extended_attributes.get('ReflectInvalid', ''),
'reflect_missing': extended_attributes.get('ReflectMissing'),
'reflect_only': extended_attribute_value_as_list(attribute, 'ReflectOnly'),
'runtime_enabled_feature_name': v8_utilities.runtime_enabled_feature_name(attribute), # [RuntimeEnabled]
'secure_context_test': v8_utilities.secure_context(attribute, interface), # [SecureContext]
'cached_accessor_name': '%s%sCachedAccessor' % (interface.name, attribute.name.capitalize()),
'world_suffixes': (
['', 'ForMainWorld']
if 'PerWorldBindings' in extended_attributes
else ['']), # [PerWorldBindings]
}
if is_constructor_attribute(attribute):
update_constructor_attribute_context(interface, attribute, context)
if not has_custom_getter(attribute):
getter_context(interface, attribute, context)
if not has_custom_setter(attribute) and has_setter(interface, attribute):
setter_context(interface, attribute, interfaces, context)
# [RuntimeCallStatsCounter]
runtime_call_stats_context(interface, attribute, context)
# [CrossOrigin] is incompatible with a number of other attributes, so check
# for them here.
if is_cross_origin:
if context['has_cross_origin_setter'] and context['has_custom_setter']:
raise Exception('[CrossOrigin] and [Custom] are incompatible on the same setter: %s.%s', interface.name, attribute.name)
if context['is_per_world_bindings']:
raise Exception('[CrossOrigin] and [PerWorldBindings] are incompatible: %s.%s', interface.name, attribute.name)
if context['constructor_type']:
raise Exception('[CrossOrigin] cannot be used for constructors: %s.%s', interface.name, attribute.name)
return context
def method_context(interface, method, is_visible=True):
arguments = method.arguments
extended_attributes = method.extended_attributes
idl_type = method.idl_type
is_static = method.is_static
name = method.name
if is_visible:
idl_type.add_includes_for_type(extended_attributes)
this_cpp_value = cpp_value(interface, method, len(arguments))
is_call_with_script_arguments = has_extended_attribute_value(method, 'CallWith', 'ScriptArguments')
if is_call_with_script_arguments:
includes.update(['bindings/core/v8/ScriptCallStack.h',
'core/inspector/ScriptArguments.h'])
is_call_with_script_state = has_extended_attribute_value(method, 'CallWith', 'ScriptState')
is_call_with_this_value = has_extended_attribute_value(method, 'CallWith', 'ThisValue')
if is_call_with_script_state or is_call_with_this_value:
includes.add('platform/bindings/ScriptState.h')
# [CheckSecurity]
is_cross_origin = 'CrossOrigin' in extended_attributes
is_check_security_for_receiver = (
has_extended_attribute_value(interface, 'CheckSecurity', 'Receiver') and
not is_cross_origin)
is_check_security_for_return_value = (
has_extended_attribute_value(method, 'CheckSecurity', 'ReturnValue'))
if is_check_security_for_receiver or is_check_security_for_return_value:
includes.add('bindings/core/v8/BindingSecurity.h')
is_ce_reactions = 'CEReactions' in extended_attributes
if is_ce_reactions:
includes.add('core/html/custom/CEReactionsScope.h')
is_custom_element_callbacks = 'CustomElementCallbacks' in extended_attributes
if is_custom_element_callbacks:
includes.add('core/html/custom/V0CustomElementProcessingStack.h')
is_raises_exception = 'RaisesException' in extended_attributes
is_custom_call_prologue = has_extended_attribute_value(method, 'Custom', 'CallPrologue')
is_custom_call_epilogue = has_extended_attribute_value(method, 'Custom', 'CallEpilogue')
is_post_message = 'PostMessage' in extended_attributes
if is_post_message:
includes.add('bindings/core/v8/serialization/SerializedScriptValueFactory.h')
includes.add('bindings/core/v8/serialization/Transferables.h')
includes.add('core/typed_arrays/DOMArrayBufferBase.h')
includes.add('core/imagebitmap/ImageBitmap.h')
if 'LenientThis' in extended_attributes:
raise Exception('[LenientThis] is not supported for operations.')
argument_contexts = [
argument_context(interface, method, argument, index, is_visible=is_visible)
for index, argument in enumerate(arguments)]
return {
'activity_logging_world_list': v8_utilities.activity_logging_world_list(method), # [ActivityLogging]
'arguments': argument_contexts,
'cpp_type': (v8_types.cpp_template_type('Nullable', idl_type.cpp_type)
if idl_type.is_explicit_nullable else idl_type.cpp_type),
'cpp_value': this_cpp_value,
'cpp_type_initializer': idl_type.cpp_type_initializer,
'deprecate_as': v8_utilities.deprecate_as(method), # [DeprecateAs]
'do_not_test_new_object': 'DoNotTestNewObject' in extended_attributes,
'exposed_test': v8_utilities.exposed(method, interface), # [Exposed]
'has_exception_state':
is_raises_exception or
is_check_security_for_receiver or
any(argument for argument in arguments
if (argument.idl_type.name == 'SerializedScriptValue' or
argument_conversion_needs_exception_state(method, argument))),
'has_optional_argument_without_default_value':
any(True for argument_context in argument_contexts
if argument_context['is_optional_without_default_value']),
'idl_type': idl_type.base_type,
'is_call_with_execution_context': has_extended_attribute_value(method, 'CallWith', 'ExecutionContext'),
'is_call_with_script_arguments': is_call_with_script_arguments,
'is_call_with_script_state': is_call_with_script_state,
'is_call_with_this_value': is_call_with_this_value,
'is_ce_reactions': is_ce_reactions,
'is_check_security_for_receiver': is_check_security_for_receiver,
'is_check_security_for_return_value': is_check_security_for_return_value,
'is_cross_origin': 'CrossOrigin' in extended_attributes,
'is_custom': 'Custom' in extended_attributes and
not (is_custom_call_prologue or is_custom_call_epilogue),
'is_custom_call_prologue': is_custom_call_prologue,
'is_custom_call_epilogue': is_custom_call_epilogue,
'is_custom_element_callbacks': is_custom_element_callbacks,
'is_explicit_nullable': idl_type.is_explicit_nullable,
'is_new_object': 'NewObject' in extended_attributes,
'is_partial_interface_member':
'PartialInterfaceImplementedAs' in extended_attributes,
'is_per_world_bindings': 'PerWorldBindings' in extended_attributes,
'is_post_message': is_post_message,
'is_raises_exception': is_raises_exception,
'is_static': is_static,
'is_unforgeable': is_unforgeable(interface, method),
'is_variadic': arguments and arguments[-1].is_variadic,
'measure_as': v8_utilities.measure_as(method, interface), # [MeasureAs]
'name': name,
'number_of_arguments': len(arguments),
'number_of_required_arguments': len([
argument for argument in arguments
if not (argument.is_optional or argument.is_variadic)]),
'number_of_required_or_variadic_arguments': len([
argument for argument in arguments
if not argument.is_optional]),
'on_instance': v8_utilities.on_instance(interface, method),
'on_interface': v8_utilities.on_interface(interface, method),
'on_prototype': v8_utilities.on_prototype(interface, method),
'origin_trial_enabled_function': v8_utilities.origin_trial_enabled_function_name(method), # [OriginTrialEnabled]
'origin_trial_feature_name': v8_utilities.origin_trial_feature_name(method), # [OriginTrialEnabled]
'property_attributes': property_attributes(interface, method),
'returns_promise': method.returns_promise,
'runtime_call_stats': runtime_call_stats_context(interface, method),
'runtime_enabled_feature_name': v8_utilities.runtime_enabled_feature_name(method), # [RuntimeEnabled]
'secure_context_test': v8_utilities.secure_context(method, interface), # [SecureContext]
'use_output_parameter_for_result': idl_type.use_output_parameter_for_result,
'use_local_result': use_local_result(method),
'v8_set_return_value': v8_set_return_value(interface.name, method, this_cpp_value),
'v8_set_return_value_for_main_world': v8_set_return_value(interface.name, method, this_cpp_value, for_main_world=True),
'visible': is_visible,
'world_suffixes': ['', 'ForMainWorld'] if 'PerWorldBindings' in extended_attributes else [''], # [PerWorldBindings],
}
