コード例 #1
0
ファイル: v8_attributes.py プロジェクト: sillysg5110/chromium
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
コード例 #2
0
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
コード例 #3
0
def attribute_context(interface, 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_do_not_check_security = 'DoNotCheckSecurity' in extended_attributes
    is_check_security_for_receiver = (has_extended_attribute_value(
        interface, 'CheckSecurity', 'Receiver')
                                      and not is_do_not_check_security)
    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,
        '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_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': 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'),
        'reflect_only': extended_attribute_value_as_list(attribute, 'ReflectOnly'),
        'runtime_enabled_function': v8_utilities.runtime_enabled_function_name(attribute),  # [RuntimeEnabled]
        'should_be_exposed_to_script': not (is_implemented_in_private_script and is_only_exposed_to_private_script),
        '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(attribute):
        setter_context(interface, attribute, context)

    return context
コード例 #4
0
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')
    # [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)
    # [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]
        'argument_cpp_type': idl_type.cpp_type_args(used_as_rvalue_type=True),
        '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_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_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,
        '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'),
        'reflect_only': extended_attribute_value_as_list(attribute, 'ReflectOnly'),
        'runtime_enabled_function': v8_utilities.runtime_enabled_function_name(attribute),  # [RuntimeEnabled]
        'runtime_feature_name': v8_utilities.runtime_feature_name(attribute),  # [RuntimeEnabled]
        'secure_context_test': v8_utilities.secure_context(attribute, interface),  # [SecureContext]
        'should_be_exposed_to_script': not (is_implemented_in_private_script and is_only_exposed_to_private_script),
        '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)
        if not context['should_be_exposed_to_script']:
            raise Exception('[CrossOrigin] attributes must be exposed to script: %s.%s', interface.name, attribute.name)

    return context
コード例 #5
0
def attribute_context(interface, 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_do_not_check_security = "DoNotCheckSecurity" in extended_attributes
    is_check_security_for_receiver = (
        has_extended_attribute_value(interface, "CheckSecurity", "Receiver") and not is_do_not_check_security
    )
    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")

    conditional_string = v8_utilities.conditional_string(attribute)
    if conditional_string:
        includes.add("wtf/build_config.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 "APIExperimentEnabled" in extended_attributes:
        includes.add("core/experiments/ExperimentalFeatures.h")
        includes.add("core/inspector/ConsoleMessage.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]
        "api_experiment_enabled": v8_utilities.api_experiment_enabled_function(attribute),  # [APIExperimentEnabled]
        "api_experiment_enabled_per_interface": v8_utilities.api_experiment_enabled_function(
            interface
        ),  # [APIExperimentEnabled]
        "api_experiment_name": extended_attributes.get("APIExperimentEnabled"),  # [APIExperimentEnabled]
        "argument_cpp_type": idl_type.cpp_type_args(used_as_rvalue_type=True),
        "cached_attribute_validation_method": cached_attribute_validation_method,
        "conditional_string": conditional_string,
        "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_api_experiment_enabled": v8_utilities.api_experiment_enabled_function(attribute)
        or v8_utilities.api_experiment_enabled_function(interface),  # [APIExperimentEnabled]
        "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_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": constructor_type or interface.name == "Window" or interface.name == "Location",
        "is_getter_raises_exception": "RaisesException" in extended_attributes  # [RaisesException]
        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),
        "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"),
        "reflect_only": extended_attribute_value_as_list(attribute, "ReflectOnly"),
        "runtime_enabled_function": v8_utilities.runtime_enabled_function_name(attribute),  # [RuntimeEnabled]
        "should_be_exposed_to_script": not (is_implemented_in_private_script and is_only_exposed_to_private_script),
        "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(attribute):
        setter_context(interface, attribute, context)

    return context
コード例 #6
0
def attribute_context(interface, attribute):
    idl_type = attribute.idl_type
    base_idl_type = idl_type.base_type
    extended_attributes = attribute.extended_attributes

    idl_type.add_includes_for_type()

    # [CheckSecurity]
    is_check_security_for_node = "CheckSecurity" in extended_attributes
    if is_check_security_for_node:
        includes.add("bindings/core/v8/BindingSecurity.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/CustomElementProcessingStack.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)
    # [TypeChecking]
    has_type_checking_unrestricted = (
        has_extended_attribute_value(interface, "TypeChecking", "Unrestricted")
        or has_extended_attribute_value(attribute, "TypeChecking", "Unrestricted")
    ) and idl_type.name in ("Float", "Double")
    # [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

    if (
        base_idl_type == "EventHandler"
        and interface.name in ["Window", "WorkerGlobalScope"]
        and attribute.name == "onerror"
    ):
        includes.add("bindings/core/v8/V8ErrorHandler.h")

    context = {
        "access_control_list": access_control_list(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": extended_attributes.get("CachedAttribute"),
        "conditional_string": v8_utilities.conditional_string(attribute),
        "constructor_type": idl_type.constructor_type_name if is_constructor_attribute(attribute) else None,
        "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_validation_expression": idl_type.enum_validation_expression,
        "exposed_test": v8_utilities.exposed(attribute, interface),  # [Exposed]
        "has_custom_getter": has_custom_getter(attribute),
        "has_custom_setter": has_custom_setter(attribute),
        "has_type_checking_unrestricted": has_type_checking_unrestricted,
        "idl_type": str(idl_type),  # need trailing [] on array for Dictionary::ConversionContext::setConversionType
        "is_call_with_execution_context": v8_utilities.has_extended_attribute_value(
            attribute, "CallWith", "ExecutionContext"
        ),
        "is_call_with_script_state": v8_utilities.has_extended_attribute_value(attribute, "CallWith", "ScriptState"),
        "is_check_security_for_node": is_check_security_for_node,
        "is_custom_element_callbacks": is_custom_element_callbacks,
        "is_expose_js_accessors": "ExposeJSAccessors" in extended_attributes,
        "is_getter_raises_exception": "RaisesException" in extended_attributes  # [RaisesException]
        and extended_attributes["RaisesException"] in (None, "Getter"),
        "is_implemented_in_private_script": is_implemented_in_private_script,
        "is_initialized_by_event_constructor": "InitializedByEventConstructor" in extended_attributes,
        "is_keep_alive_for_gc": is_keep_alive_for_gc(interface, attribute),
        "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_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": "Unforgeable" in extended_attributes,
        "use_output_parameter_for_result": idl_type.use_output_parameter_for_result,
        "measure_as": v8_utilities.measure_as(attribute),  # [MeasureAs]
        "name": attribute.name,
        "only_exposed_to_private_script": is_only_exposed_to_private_script,
        "per_context_enabled_function": v8_utilities.per_context_enabled_function_name(
            attribute
        ),  # [PerContextEnabled]
        "private_script_v8_value_to_local_cpp_value": idl_type.v8_value_to_local_cpp_value(
            extended_attributes, "v8Value", "cppValue", isolate="scriptState->isolate()", used_in_private_script=True
        ),
        "property_attributes": property_attributes(attribute),
        "put_forwards": "PutForwards" in extended_attributes,
        "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_function": v8_utilities.runtime_enabled_function_name(attribute),  # [RuntimeEnabled]
        "setter_callback": setter_callback_name(interface, attribute),
        "should_be_exposed_to_script": not (is_implemented_in_private_script and is_only_exposed_to_private_script),
        "world_suffixes": ["", "ForMainWorld"]
        if "PerWorldBindings" in extended_attributes
        else [""],  # [PerWorldBindings]
    }

    if is_constructor_attribute(attribute):
        constructor_getter_context(interface, attribute, context)
        return context
    if not has_custom_getter(attribute):
        getter_context(interface, attribute, context)
    if not has_custom_setter(attribute) and (not attribute.is_read_only or "PutForwards" in extended_attributes):
        setter_context(interface, attribute, context)

    return context
コード例 #7
0
def attribute_context(interface, 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_do_not_check_security = 'DoNotCheckSecurity' in extended_attributes
    is_check_security_for_frame = (
        has_extended_attribute_value(interface, 'CheckSecurity', 'Frame') 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:
        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')

    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': 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_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_custom_element_callbacks': is_custom_element_callbacks,
        # 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),
        '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'),
        'reflect_only': extended_attribute_value_as_list(attribute, 'ReflectOnly'),
        'runtime_enabled_function': v8_utilities.runtime_enabled_function_name(attribute),  # [RuntimeEnabled]
        'should_be_exposed_to_script': not (is_implemented_in_private_script and is_only_exposed_to_private_script),
        '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(attribute):
        setter_context(interface, attribute, context)

    return context
コード例 #8
0
def attribute_context(interface, attribute):
    idl_type = attribute.idl_type
    base_idl_type = idl_type.base_type
    extended_attributes = attribute.extended_attributes

    idl_type.add_includes_for_type()

    # [CheckSecurity]
    is_check_security_for_node = 'CheckSecurity' in extended_attributes
    if is_check_security_for_node:
        includes.add('bindings/core/v8/BindingSecurity.h')
    # [Custom]
    has_custom_getter = ('Custom' in extended_attributes and
                         extended_attributes['Custom'] in [None, 'Getter'])
    has_custom_setter = (not attribute.is_read_only and
                         'Custom' in extended_attributes and
                         extended_attributes['Custom'] in [None, 'Setter'])
    # [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/CustomElementCallbackDispatcher.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)
    # [TypeChecking]
    has_type_checking_unrestricted = (
        (has_extended_attribute_value(interface, 'TypeChecking', 'Unrestricted') or
         has_extended_attribute_value(attribute, 'TypeChecking', 'Unrestricted')) and
         idl_type.name in ('Float', 'Double'))
    # [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')

    if (base_idl_type == 'EventHandler' and
        interface.name in ['Window', 'WorkerGlobalScope'] and
        attribute.name == 'onerror'):
        includes.add('bindings/core/v8/V8ErrorHandler.h')

    # Nullable type where the corresponding C++ type supports a null value.
    is_nullable_simple = idl_type.is_nullable and (
        (idl_type.is_string_type or idl_type.is_wrapper_type) and
        not idl_type.array_or_sequence_type)

    context = {
        'access_control_list': access_control_list(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_include_old_value_for_setter': 'LogPreviousValue' in extended_attributes,  # [ActivityLogging]
        'activity_logging_world_check': v8_utilities.activity_logging_world_check(attribute),  # [ActivityLogging]
        'argument_cpp_type': idl_type.cpp_type_args(used_as_argument=True),
        'cached_attribute_validation_method': extended_attributes.get('CachedAttribute'),
        'conditional_string': v8_utilities.conditional_string(attribute),
        'constructor_type': idl_type.constructor_type_name
                            if is_constructor_attribute(attribute) else None,
        'cpp_name': cpp_name(attribute),
        'cpp_type': idl_type.cpp_type,
        'deprecate_as': v8_utilities.deprecate_as(attribute),  # [DeprecateAs]
        'enum_validation_expression': idl_type.enum_validation_expression,
        'has_custom_getter': has_custom_getter,
        'has_custom_setter': has_custom_setter,
        'has_type_checking_unrestricted': has_type_checking_unrestricted,
        'idl_type': str(idl_type),  # need trailing [] on array for Dictionary::ConversionContext::setConversionType
        'is_call_with_execution_context': v8_utilities.has_extended_attribute_value(attribute, 'CallWith', 'ExecutionContext'),
        'is_call_with_script_state': v8_utilities.has_extended_attribute_value(attribute, 'CallWith', 'ScriptState'),
        'is_check_security_for_node': is_check_security_for_node,
        'is_custom_element_callbacks': is_custom_element_callbacks,
        'is_expose_js_accessors': 'ExposeJSAccessors' in extended_attributes,
        '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_initialized_by_event_constructor':
            'InitializedByEventConstructor' in extended_attributes,
        'is_keep_alive_for_gc': is_keep_alive_for_gc(interface, attribute),
        'is_nullable': idl_type.is_nullable,
        'is_nullable_simple': is_nullable_simple,
        'is_partial_interface_member':
            'PartialInterfaceImplementedAs' in extended_attributes,
        'is_per_world_bindings': 'PerWorldBindings' 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': 'Unforgeable' in extended_attributes,
        'measure_as': v8_utilities.measure_as(attribute),  # [MeasureAs]
        'name': attribute.name,
        'per_context_enabled_function': v8_utilities.per_context_enabled_function_name(attribute),  # [PerContextEnabled]
        'private_script_v8_value_to_local_cpp_value': idl_type.v8_value_to_local_cpp_value(
            extended_attributes, 'v8Value', 'cppValue', isolate='scriptState->isolate()', used_in_private_script=True),
        'property_attributes': property_attributes(attribute),
        'put_forwards': 'PutForwards' in extended_attributes,
        'reflect_empty': extended_attributes.get('ReflectEmpty'),
        'reflect_invalid': extended_attributes.get('ReflectInvalid', ''),
        'reflect_missing': extended_attributes.get('ReflectMissing'),
        'reflect_only': extended_attributes['ReflectOnly'].split('|')
            if 'ReflectOnly' in extended_attributes else None,
        'runtime_enabled_function': v8_utilities.runtime_enabled_function_name(attribute),  # [RuntimeEnabled]
        'setter_callback': setter_callback_name(interface, attribute),
        'v8_type': v8_types.v8_type(base_idl_type),
        'world_suffixes': ['', 'ForMainWorld']
                          if 'PerWorldBindings' in extended_attributes
                          else [''],  # [PerWorldBindings]
    }

    if is_constructor_attribute(attribute):
        constructor_getter_context(interface, attribute, context)
        return context
    if not has_custom_getter:
        getter_context(interface, attribute, context)
    if (not has_custom_setter and
        (not attribute.is_read_only or 'PutForwards' in extended_attributes)):
        setter_context(interface, attribute, context)

    return context
コード例 #9
0
ファイル: v8_attributes.py プロジェクト: dalecurtis/mojo
def attribute_context(interface, attribute):
    idl_type = attribute.idl_type
    base_idl_type = idl_type.base_type
    extended_attributes = attribute.extended_attributes

    idl_type.add_includes_for_type()

    # [CheckSecurity]
    is_check_security_for_node = 'CheckSecurity' in extended_attributes
    if is_check_security_for_node:
        includes.add('bindings/core/v8/BindingSecurity.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/CustomElementProcessingStack.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)
    # [TypeChecking]
    has_type_checking_unrestricted = ((
        has_extended_attribute_value(interface, 'TypeChecking', 'Unrestricted')
        or has_extended_attribute_value(attribute, 'TypeChecking',
                                        'Unrestricted'))
                                      and idl_type.name in ('Float', 'Double'))
    # [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

    if (base_idl_type == 'EventHandler' and interface.name in ['Window']
            and attribute.name == 'onerror'):
        includes.add('bindings/core/v8/V8ErrorHandler.h')

    context = {
        'access_control_list': access_control_list(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_include_old_value_for_setter': 'LogPreviousValue' in extended_attributes,  # [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': extended_attributes.get('CachedAttribute'),
        'conditional_string': v8_utilities.conditional_string(attribute),
        'constructor_type': idl_type.constructor_type_name
                            if is_constructor_attribute(attribute) else None,
        '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_validation_expression': idl_type.enum_validation_expression,
        'exposed_test': v8_utilities.exposed(attribute, interface),  # [Exposed]
        'has_custom_getter': has_custom_getter(attribute),
        'has_custom_setter': has_custom_setter(attribute),
        'has_type_checking_unrestricted': has_type_checking_unrestricted,
        'idl_type': str(idl_type),  # need trailing [] on array for Dictionary::ConversionContext::setConversionType
        'is_call_with_execution_context': v8_utilities.has_extended_attribute_value(attribute, 'CallWith', 'ExecutionContext'),
        'is_call_with_script_state': v8_utilities.has_extended_attribute_value(attribute, 'CallWith', 'ScriptState'),
        'is_check_security_for_node': is_check_security_for_node,
        'is_custom_element_callbacks': is_custom_element_callbacks,
        'is_expose_js_accessors': 'ExposeJSAccessors' in extended_attributes,
        '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_initialized_by_event_constructor':
            'InitializedByEventConstructor' in extended_attributes,
        'is_keep_alive_for_gc': is_keep_alive_for_gc(interface, attribute),
        '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_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': 'Unforgeable' in extended_attributes,
        'measure_as': v8_utilities.measure_as(attribute),  # [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', isolate='scriptState->isolate()', used_in_private_script=True),
        'property_attributes': property_attributes(attribute),
        'put_forwards': 'PutForwards' in extended_attributes,
        '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_function': v8_utilities.runtime_enabled_function_name(attribute),  # [RuntimeEnabled]
        'setter_callback': setter_callback_name(interface, attribute),
        'should_be_exposed_to_script': not (is_implemented_in_private_script and is_only_exposed_to_private_script),
        'world_suffixes': ['', 'ForMainWorld']
                          if 'PerWorldBindings' in extended_attributes
                          else [''],  # [PerWorldBindings]
    }

    if is_constructor_attribute(attribute):
        constructor_getter_context(interface, attribute, context)
        return context
    if not has_custom_getter(attribute):
        getter_context(interface, attribute, context)
    if (not has_custom_setter(attribute) and
        (not attribute.is_read_only or 'PutForwards' in extended_attributes)):
        setter_context(interface, attribute, context)

    return context
コード例 #10
0
def generate_attribute(interface, attribute):
    idl_type = attribute.idl_type
    base_idl_type = idl_type.base_type
    extended_attributes = attribute.extended_attributes

    idl_type.add_includes_for_type()

    # [CheckSecurity]
    is_check_security_for_node = 'CheckSecurity' in extended_attributes
    if is_check_security_for_node:
        includes.add('bindings/v8/BindingSecurity.h')
    # [Custom]
    has_custom_getter = ('Custom' in extended_attributes
                         and extended_attributes['Custom'] in [None, 'Getter'])
    has_custom_setter = (not attribute.is_read_only
                         and 'Custom' in extended_attributes
                         and extended_attributes['Custom'] in [None, 'Setter'])
    # [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/CustomElementCallbackDispatcher.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)
    # [RaisesException], [RaisesException=Setter]
    is_setter_raises_exception = ('RaisesException' in extended_attributes
                                  and extended_attributes['RaisesException']
                                  in [None, 'Setter'])
    # [TypeChecking]
    has_type_checking_interface = ((
        has_extended_attribute_value(interface, 'TypeChecking', 'Interface') or
        has_extended_attribute_value(attribute, 'TypeChecking', 'Interface'))
                                   and idl_type.is_wrapper_type)
    has_type_checking_nullable = (
        (has_extended_attribute_value(interface, 'TypeChecking', 'Nullable') or
         has_extended_attribute_value(attribute, 'TypeChecking', 'Nullable'))
        and idl_type.is_wrapper_type)
    has_type_checking_unrestricted = ((
        has_extended_attribute_value(interface, 'TypeChecking', 'Unrestricted')
        or has_extended_attribute_value(attribute, 'TypeChecking',
                                        'Unrestricted'))
                                      and idl_type.name in ('Float', 'Double'))

    if (base_idl_type == 'EventHandler'
            and interface.name in ['Window', 'WorkerGlobalScope']
            and attribute.name == 'onerror'):
        includes.add('bindings/v8/V8ErrorHandler.h')

    contents = {
        'access_control_list': access_control_list(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_include_old_value_for_setter': 'LogPreviousValue' in extended_attributes,  # [ActivityLogging]
        'activity_logging_world_check': v8_utilities.activity_logging_world_check(attribute),  # [ActivityLogging]
        'cached_attribute_validation_method': extended_attributes.get('CachedAttribute'),
        'conditional_string': v8_utilities.conditional_string(attribute),
        'constructor_type': idl_type.constructor_type_name
                            if is_constructor_attribute(attribute) else None,
        'cpp_name': cpp_name(attribute),
        'cpp_type': idl_type.cpp_type,
        'cpp_value_to_v8_value': idl_type.cpp_value_to_v8_value(cpp_value='original', creation_context='info.Holder()'),
        'deprecate_as': v8_utilities.deprecate_as(attribute),  # [DeprecateAs]
        'enum_validation_expression': idl_type.enum_validation_expression,
        'has_custom_getter': has_custom_getter,
        'has_custom_setter': has_custom_setter,
        'has_setter_exception_state':
            is_setter_raises_exception or has_type_checking_interface or
            has_type_checking_nullable or has_type_checking_unrestricted or
            idl_type.is_integer_type or
            idl_type.name in ('ByteString', 'ScalarValueString'),
        'has_type_checking_interface': has_type_checking_interface,
        'has_type_checking_nullable': has_type_checking_nullable,
        'has_type_checking_unrestricted': has_type_checking_unrestricted,
        'idl_type': str(idl_type),  # need trailing [] on array for Dictionary::ConversionContext::setConversionType
        'is_call_with_execution_context': v8_utilities.has_extended_attribute_value(attribute, 'CallWith', 'ExecutionContext'),
        'is_call_with_script_state': v8_utilities.has_extended_attribute_value(attribute, 'CallWith', 'ScriptState'),
        'is_check_security_for_node': is_check_security_for_node,
        'is_custom_element_callbacks': is_custom_element_callbacks,
        'is_expose_js_accessors': 'ExposeJSAccessors' in extended_attributes,
        'is_getter_raises_exception':  # [RaisesException]
            'RaisesException' in extended_attributes and
            extended_attributes['RaisesException'] in (None, 'Getter'),
        'is_initialized_by_event_constructor':
            'InitializedByEventConstructor' in extended_attributes,
        'is_keep_alive_for_gc': is_keep_alive_for_gc(interface, attribute),
        'is_nullable': attribute.idl_type.is_nullable,
        'is_partial_interface_member':
            'PartialInterfaceImplementedAs' in extended_attributes,
        'is_per_world_bindings': 'PerWorldBindings' in extended_attributes,
        'is_read_only': attribute.is_read_only,
        'is_reflect': is_reflect,
        'is_replaceable': 'Replaceable' in attribute.extended_attributes,
        'is_setter_call_with_execution_context': v8_utilities.has_extended_attribute_value(attribute, 'SetterCallWith', 'ExecutionContext'),
        'is_setter_raises_exception': is_setter_raises_exception,
        'is_static': attribute.is_static,
        'is_url': 'URL' in extended_attributes,
        'is_unforgeable': 'Unforgeable' in extended_attributes,
        'measure_as': v8_utilities.measure_as(attribute),  # [MeasureAs]
        'name': attribute.name,
        'per_context_enabled_function': v8_utilities.per_context_enabled_function_name(attribute),  # [PerContextEnabled]
        'property_attributes': property_attributes(attribute),
        'put_forwards': 'PutForwards' in extended_attributes,
        'reflect_empty': extended_attributes.get('ReflectEmpty'),
        'reflect_invalid': extended_attributes.get('ReflectInvalid', ''),
        'reflect_missing': extended_attributes.get('ReflectMissing'),
        'reflect_only': extended_attributes['ReflectOnly'].split('|')
            if 'ReflectOnly' in extended_attributes else None,
        'setter_callback': setter_callback_name(interface, attribute),
        'v8_type': v8_types.v8_type(base_idl_type),
        'runtime_enabled_function': v8_utilities.runtime_enabled_function_name(attribute),  # [RuntimeEnabled]
        'world_suffixes': ['', 'ForMainWorld']
                          if 'PerWorldBindings' in extended_attributes
                          else [''],  # [PerWorldBindings]
    }

    if is_constructor_attribute(attribute):
        generate_constructor_getter(interface, attribute, contents)
        return contents
    if not has_custom_getter:
        generate_getter(interface, attribute, contents)
    if (not has_custom_setter and
        (not attribute.is_read_only or 'PutForwards' in extended_attributes)):
        generate_setter(interface, attribute, contents)

    return contents