コード例 #1
0
def generate_attribute(interface, attribute):
    idl_type = attribute.idl_type
    extended_attributes = attribute.extended_attributes

    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'])
    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]
        'cached_attribute_validation_method': extended_attributes.get('CachedAttribute'),
        'conditional_string': v8_utilities.conditional_string(attribute),
        'cpp_type': v8_types.cpp_type(idl_type),
        'getter_callback_name': getter_callback_name(interface, attribute),
        'getter_callback_name_for_main_world': getter_callback_name_for_main_world(interface, attribute),
        'has_custom_getter': has_custom_getter,
        'has_custom_setter': has_custom_setter,
        'idl_type': idl_type,
        'is_call_with_execution_context': v8_utilities.has_extended_attribute_value(attribute, 'CallWith', 'ExecutionContext'),
        'is_constructor': is_constructor_attribute(attribute),
        'is_getter_raises_exception': has_extended_attribute(attribute, ('GetterRaisesException', 'RaisesException')),
        'is_keep_alive_for_gc': is_keep_alive_for_gc(attribute),
        'is_nullable': attribute.is_nullable,
        'is_read_only': attribute.is_read_only,
        'is_replaceable': 'Replaceable' in attribute.extended_attributes,
        'is_setter_raises_exception': has_extended_attribute(attribute, ('RaisesException', 'SetterRaisesException')),
        'is_static': attribute.is_static,
        'name': attribute.name,
        'per_context_enabled_function_name': v8_utilities.per_context_enabled_function_name(attribute),  # [PerContextEnabled]
        'property_attributes': property_attributes(attribute),
        'setter_callback_name': setter_callback_name(interface, attribute),
        'setter_callback_name_for_main_world': setter_callback_name_for_main_world(interface, attribute),
        'v8_type': v8_types.v8_type(idl_type),
        'runtime_enabled_function_name': v8_utilities.runtime_enabled_function_name(attribute),  # [RuntimeEnabled]
        'world_suffixes': ['', 'ForMainWorld'] if 'PerWorldBindings' in extended_attributes else [''],  # [PerWorldBindings]
        'wrapper_type_info': wrapper_type_info(attribute),
    }
    if is_constructor_attribute(attribute):
        includes.update(v8_types.includes_for_type(idl_type))
        return contents
    if not has_custom_getter:
        generate_getter(interface, attribute, contents)
    if not attribute.is_read_only and not has_custom_setter:
        generate_setter(interface, attribute, contents)

    return contents
コード例 #2
0
ファイル: v8_methods.py プロジェクト: dstockwell/blink
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_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

    is_call_with_script_arguments = has_extended_attribute_value(method, 'CallWith', 'ScriptArguments')
    if is_call_with_script_arguments:
        includes.update(['bindings/core/v8/ScriptCallStackFactory.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('bindings/core/v8/ScriptState.h')
    is_check_security_for_node = 'CheckSecurity' in extended_attributes
    if is_check_security_for_node:
        includes.add('bindings/core/v8/BindingSecurity.h')
    is_custom_element_callbacks = 'CustomElementCallbacks' in extended_attributes
    if is_custom_element_callbacks:
        includes.add('core/dom/custom/CustomElementProcessingStack.h')

    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_window = (
        has_extended_attribute_value(interface, 'CheckSecurity', 'Window') and
        not is_do_not_check_security)

    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/SerializedScriptValueFactory.h')
        includes.add('core/dom/DOMArrayBuffer.h')
        includes.add('core/dom/MessagePort.h')

    if 'LenientThis' in extended_attributes:
        raise Exception('[LenientThis] is not supported for operations.')

    return {
        'activity_logging_world_list': v8_utilities.activity_logging_world_list(method),  # [ActivityLogging]
        'arguments': [argument_context(interface, method, argument, index, is_visible=is_visible)
                      for index, argument in enumerate(arguments)],
        'argument_declarations_for_private_script':
            argument_declarations_for_private_script(interface, method),
        'conditional_string': v8_utilities.conditional_string(method),
        '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,
        'custom_registration_extended_attributes':
            CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES.intersection(
                extended_attributes.iterkeys()),
        'deprecate_as': v8_utilities.deprecate_as(method),  # [DeprecateAs]
        'exposed_test': v8_utilities.exposed(method, interface),  # [Exposed]
        # TODO(yukishiino): Retire has_custom_registration flag.  Should be
        # replaced with V8DOMConfiguration::PropertyLocationConfiguration.
        'has_custom_registration':
            is_static or
            is_unforgeable(interface, method) or
            v8_utilities.has_extended_attribute(
                method, CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES),
        'has_exception_state':
            is_raises_exception or
            is_check_security_for_frame or
            is_check_security_for_window or
            any(argument for argument in arguments
                if (argument.idl_type.name == 'SerializedScriptValue' or
                    argument_conversion_needs_exception_state(method, argument))),
        '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_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': '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_do_not_check_security': is_do_not_check_security,
        'is_do_not_check_signature': 'DoNotCheckSignature' in extended_attributes,
        'is_explicit_nullable': idl_type.is_explicit_nullable,
        'is_implemented_in_private_script': is_implemented_in_private_script,
        '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_read_only': is_unforgeable(interface, method),
        'is_static': is_static,
        '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),
        '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()', bailout_return_value='false'),
        'property_attributes': property_attributes(interface, method),
        'returns_promise': method.returns_promise,
        'runtime_enabled_function': v8_utilities.runtime_enabled_function_name(method),  # [RuntimeEnabled]
        'should_be_exposed_to_script': not (is_implemented_in_private_script and is_only_exposed_to_private_script),
        '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],
    }
コード例 #3
0
def generate_method(interface, method):
    arguments = method.arguments
    extended_attributes = method.extended_attributes
    idl_type = method.idl_type
    is_static = method.is_static
    name = method.name

    this_cpp_value = cpp_value(interface, method, len(arguments))
    this_custom_signature = custom_signature(method, arguments)

    def function_template():
        if is_static:
            return 'functionTemplate'
        if 'Unforgeable' in extended_attributes:
            return 'instanceTemplate'
        return 'prototypeTemplate'

    def signature():
        if this_custom_signature:
            return name + 'Signature'
        if is_static or 'DoNotCheckSignature' in extended_attributes:
            return 'v8::Local<v8::Signature>()'
        return 'defaultSignature'

    is_call_with_script_arguments = has_extended_attribute_value(
        method, 'CallWith', 'ScriptArguments')
    if is_call_with_script_arguments:
        includes.update([
            'bindings/v8/ScriptCallStackFactory.h',
            'core/inspector/ScriptArguments.h'
        ])
    is_call_with_script_state = has_extended_attribute_value(
        method, 'CallWith', 'ScriptState')
    if is_call_with_script_state:
        includes.add('bindings/v8/ScriptState.h')
    is_check_security_for_node = 'CheckSecurity' in extended_attributes
    if is_check_security_for_node:
        includes.add('bindings/v8/BindingSecurity.h')
    is_custom_element_callbacks = 'CustomElementCallbacks' in extended_attributes
    if is_custom_element_callbacks:
        includes.add('core/dom/custom/CustomElementCallbackDispatcher.h')

    contents = {
        'activity_logging_world_list':
        v8_utilities.activity_logging_world_list(method),  # [ActivityLogging]
        'arguments': [
            generate_argument(interface, method, argument, index)
            for index, argument in enumerate(arguments)
        ],
        'conditional_string':
        v8_utilities.conditional_string(method),
        'cpp_type':
        v8_types.cpp_type(idl_type),
        'cpp_value':
        this_cpp_value,
        'custom_signature':
        this_custom_signature,
        'deprecate_as':
        v8_utilities.deprecate_as(method),  # [DeprecateAs]
        'do_not_check_signature':
        not (this_custom_signature or is_static
             or v8_utilities.has_extended_attribute(method, [
                 'DoNotCheckSecurity', 'DoNotCheckSignature', 'NotEnumerable',
                 'ReadOnly', 'RuntimeEnabled', 'Unforgeable'
             ])),
        'function_template':
        function_template(),
        'idl_type':
        idl_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_check_security_for_frame':
        ('CheckSecurity' in interface.extended_attributes
         and 'DoNotCheckSecurity' not in extended_attributes),
        'is_check_security_for_node':
        is_check_security_for_node,
        'is_custom':
        'Custom' in extended_attributes,
        'is_custom_element_callbacks':
        is_custom_element_callbacks,
        'is_do_not_check_security':
        'DoNotCheckSecurity' in extended_attributes,
        'is_per_world_bindings':
        'PerWorldBindings' in extended_attributes,
        'is_raises_exception':
        'RaisesException' in extended_attributes,
        'is_read_only':
        'ReadOnly' in extended_attributes,
        'is_static':
        is_static,
        'is_strict_type_checking':
        'StrictTypeChecking' in extended_attributes,
        'is_variadic':
        arguments and arguments[-1].is_variadic,
        'measure_as':
        v8_utilities.measure_as(method),  # [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]),
        'per_context_enabled_function':
        v8_utilities.per_context_enabled_function_name(
            method),  # [PerContextEnabled]
        'property_attributes':
        property_attributes(method),
        'runtime_enabled_function':
        v8_utilities.runtime_enabled_function_name(method),  # [RuntimeEnabled]
        'signature':
        signature(),
        'v8_set_return_value':
        v8_set_return_value(method, this_cpp_value),
        'world_suffixes': ['', 'ForMainWorld'] if 'PerWorldBindings'
        in extended_attributes else [''],  # [PerWorldBindings]
    }
    return contents
コード例 #4
0
ファイル: v8_methods.py プロジェクト: wulala-wuwu/Blink
def method_context(interface, method):
    arguments = method.arguments
    extended_attributes = method.extended_attributes
    idl_type = method.idl_type
    is_static = method.is_static
    name = method.name

    idl_type.add_includes_for_type()
    this_cpp_value = cpp_value(interface, method, len(arguments))

    def function_template():
        if is_static:
            return "functionTemplate"
        if "Unforgeable" in extended_attributes:
            return "instanceTemplate"
        return "prototypeTemplate"

    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

    is_call_with_script_arguments = has_extended_attribute_value(method, "CallWith", "ScriptArguments")
    if is_call_with_script_arguments:
        includes.update(["bindings/core/v8/ScriptCallStackFactory.h", "core/inspector/ScriptArguments.h"])
    is_call_with_script_state = has_extended_attribute_value(method, "CallWith", "ScriptState")
    if is_call_with_script_state:
        includes.add("bindings/core/v8/ScriptState.h")
    is_check_security_for_node = "CheckSecurity" in extended_attributes
    if is_check_security_for_node:
        includes.add("bindings/core/v8/BindingSecurity.h")
    is_custom_element_callbacks = "CustomElementCallbacks" in extended_attributes
    if is_custom_element_callbacks:
        includes.add("core/dom/custom/CustomElementProcessingStack.h")

    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_window = (
        has_extended_attribute_value(interface, "CheckSecurity", "Window") and not is_do_not_check_security
    )

    is_raises_exception = "RaisesException" in extended_attributes

    return {
        "activity_logging_world_list": v8_utilities.activity_logging_world_list(method),  # [ActivityLogging]
        "arguments": [argument_context(interface, method, argument, index) for index, argument in enumerate(arguments)],
        "argument_declarations_for_private_script": argument_declarations_for_private_script(interface, method),
        "conditional_string": v8_utilities.conditional_string(method),
        "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,
        "custom_registration_extended_attributes": CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES.intersection(
            extended_attributes.iterkeys()
        ),
        "deprecate_as": v8_utilities.deprecate_as(method),  # [DeprecateAs]
        "exposed_test": v8_utilities.exposed(method, interface),  # [Exposed]
        "function_template": function_template(),
        "has_custom_registration": is_static
        or v8_utilities.has_extended_attribute(method, CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES),
        "has_exception_state": is_raises_exception
        or is_check_security_for_frame
        or is_check_security_for_window
        or any(
            argument
            for argument in arguments
            if (
                argument.idl_type.name == "SerializedScriptValue"
                or argument_conversion_needs_exception_state(method, argument)
            )
        ),
        "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_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": "Custom" in extended_attributes,
        "is_custom_element_callbacks": is_custom_element_callbacks,
        "is_do_not_check_security": is_do_not_check_security,
        "is_do_not_check_signature": "DoNotCheckSignature" in extended_attributes,
        "is_explicit_nullable": idl_type.is_explicit_nullable,
        "is_implemented_in_private_script": is_implemented_in_private_script,
        "is_partial_interface_member": "PartialInterfaceImplementedAs" in extended_attributes,
        "is_per_world_bindings": "PerWorldBindings" in extended_attributes,
        "is_raises_exception": is_raises_exception,
        "is_read_only": "Unforgeable" in extended_attributes,
        "is_static": is_static,
        "is_variadic": arguments and arguments[-1].is_variadic,
        "measure_as": v8_utilities.measure_as(method),  # [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]
        ),
        "only_exposed_to_private_script": is_only_exposed_to_private_script,
        "per_context_enabled_function": v8_utilities.per_context_enabled_function_name(method),  # [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(method),
        "runtime_enabled_function": v8_utilities.runtime_enabled_function_name(method),  # [RuntimeEnabled]
        "should_be_exposed_to_script": not (is_implemented_in_private_script and is_only_exposed_to_private_script),
        "signature": "v8::Local<v8::Signature>()"
        if is_static or "DoNotCheckSignature" in extended_attributes
        else "defaultSignature",
        "union_arguments": idl_type.union_arguments,
        "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
        ),
        "world_suffixes": ["", "ForMainWorld"]
        if "PerWorldBindings" in extended_attributes
        else [""],  # [PerWorldBindings],
    }
コード例 #5
0
ファイル: v8_methods.py プロジェクト: eseidel/skydart
def method_context(interface, method):
    arguments = method.arguments
    extended_attributes = method.extended_attributes
    idl_type = method.idl_type
    is_static = method.is_static
    name = method.name

    idl_type.add_includes_for_type()
    this_cpp_value = cpp_value(interface, method, len(arguments))

    def function_template():
        if is_static:
            return 'functionTemplate'
        return 'prototypeTemplate'

    is_call_with_script_arguments = has_extended_attribute_value(
        method, 'CallWith', 'ScriptArguments')
    if is_call_with_script_arguments:
        includes.update([
            'bindings/core/v8/ScriptCallStackFactory.h',
            'core/inspector/ScriptArguments.h'
        ])
    is_call_with_script_state = has_extended_attribute_value(
        method, 'CallWith', 'ScriptState')
    if is_call_with_script_state:
        includes.add('bindings/core/v8/ScriptState.h')
    is_custom_element_callbacks = 'CustomElementCallbacks' in extended_attributes
    if is_custom_element_callbacks:
        includes.add('core/dom/custom/CustomElementProcessingStack.h')

    is_raises_exception = 'RaisesException' in extended_attributes

    arguments_need_try_catch = (any(
        argument_needs_try_catch(method, argument) for argument in arguments))

    return {
        'arguments': [
            argument_context(interface, method, argument, index)
            for index, argument in enumerate(arguments)
        ],
        'arguments_need_try_catch':
        arguments_need_try_catch,
        '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,
        'custom_registration_extended_attributes':
        CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES.intersection(
            extended_attributes.iterkeys()),
        'exposed_test':
        v8_utilities.exposed(method, interface),  # [Exposed]
        'function_template':
        function_template(),
        'has_custom_registration':
        is_static or v8_utilities.has_extended_attribute(
            method, CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES),
        'has_exception_state':
        is_raises_exception
        or any(argument for argument in arguments
               if argument.idl_type.name == 'SerializedScriptValue'
               or argument.idl_type.may_raise_exception_on_conversion),
        '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_custom':
        'Custom' in extended_attributes,
        'is_custom_element_callbacks':
        is_custom_element_callbacks,
        'is_explicit_nullable':
        idl_type.is_explicit_nullable,
        'is_partial_interface_member':
        'PartialInterfaceImplementedAs' in extended_attributes,
        'is_raises_exception':
        is_raises_exception,
        'is_static':
        is_static,
        'is_variadic':
        arguments and arguments[-1].is_variadic,
        '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]),
        'union_arguments':
        idl_type.union_arguments,
        'use_local_result':
        use_local_result(method),
    }
コード例 #6
0
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

    idl_type.add_includes_for_type()
    this_cpp_value = cpp_value(interface, method, len(arguments))

    def function_template():
        if is_static:
            return 'functionTemplate'
        if 'Unforgeable' in extended_attributes:
            return 'instanceTemplate'
        return 'prototypeTemplate'

    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

    is_call_with_script_arguments = has_extended_attribute_value(
        method, 'CallWith', 'ScriptArguments')
    if is_call_with_script_arguments:
        includes.update([
            'bindings/core/v8/ScriptCallStackFactory.h',
            'core/inspector/ScriptArguments.h'
        ])
    is_call_with_script_state = has_extended_attribute_value(
        method, 'CallWith', 'ScriptState')
    if is_call_with_script_state:
        includes.add('bindings/core/v8/ScriptState.h')
    is_check_security_for_node = 'CheckSecurity' in extended_attributes
    if is_check_security_for_node:
        includes.add('bindings/core/v8/BindingSecurity.h')
    is_custom_element_callbacks = 'CustomElementCallbacks' in extended_attributes
    if is_custom_element_callbacks:
        includes.add('core/dom/custom/CustomElementProcessingStack.h')

    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_window = (has_extended_attribute_value(
        interface, 'CheckSecurity', 'Window') and not is_do_not_check_security)

    is_raises_exception = 'RaisesException' in extended_attributes

    return {
        'activity_logging_world_list':
        v8_utilities.activity_logging_world_list(method),  # [ActivityLogging]
        'arguments': [
            argument_context(interface, method, argument, index)
            for index, argument in enumerate(arguments)
        ],
        'argument_declarations_for_private_script':
        argument_declarations_for_private_script(interface, method),
        'conditional_string':
        v8_utilities.conditional_string(method),
        '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,
        'custom_registration_extended_attributes':
        CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES.intersection(
            extended_attributes.iterkeys()),
        'deprecate_as':
        v8_utilities.deprecate_as(method),  # [DeprecateAs]
        'exposed_test':
        v8_utilities.exposed(method, interface),  # [Exposed]
        'function_template':
        function_template(),
        'has_custom_registration':
        is_static or v8_utilities.has_extended_attribute(
            method, CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES),
        'has_exception_state':
        is_raises_exception or is_check_security_for_frame
        or is_check_security_for_window
        or any(argument for argument in arguments if (
            argument.idl_type.name == 'SerializedScriptValue'
            or argument_conversion_needs_exception_state(method, argument))),
        '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_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':
        'Custom' in extended_attributes,
        'is_custom_element_callbacks':
        is_custom_element_callbacks,
        'is_do_not_check_security':
        is_do_not_check_security,
        'is_do_not_check_signature':
        'DoNotCheckSignature' in extended_attributes,
        'is_explicit_nullable':
        idl_type.is_explicit_nullable,
        'is_implemented_in_private_script':
        is_implemented_in_private_script,
        'is_partial_interface_member':
        'PartialInterfaceImplementedAs' in extended_attributes,
        'is_per_world_bindings':
        'PerWorldBindings' in extended_attributes,
        'is_raises_exception':
        is_raises_exception,
        'is_read_only':
        'Unforgeable' in extended_attributes,
        'is_static':
        is_static,
        'is_variadic':
        arguments and arguments[-1].is_variadic,
        'measure_as':
        v8_utilities.measure_as(method),  # [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]),
        'only_exposed_to_private_script':
        is_only_exposed_to_private_script,
        'per_context_enabled_function':
        v8_utilities.per_context_enabled_function_name(
            method),  # [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(method),
        'runtime_enabled_function':
        v8_utilities.runtime_enabled_function_name(method),  # [RuntimeEnabled]
        'should_be_exposed_to_script':
        not (is_implemented_in_private_script
             and is_only_exposed_to_private_script),
        'signature':
        'v8::Local<v8::Signature>()' if is_static or 'DoNotCheckSignature'
        in extended_attributes else 'defaultSignature',
        '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],
    }
コード例 #7
0
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_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

    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('bindings/core/v8/ScriptState.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(
        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/dom/custom/CEReactionsScope.h')
    is_custom_element_callbacks = 'CustomElementCallbacks' in extended_attributes
    if is_custom_element_callbacks:
        includes.add('core/dom/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/SerializedScriptValueFactory.h')
        includes.add('bindings/core/v8/Transferables.h')
        includes.add('core/dom/DOMArrayBufferBase.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,
        'argument_declarations_for_private_script':
        argument_declarations_for_private_script(interface, method),
        '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,
        'custom_registration_extended_attributes':
        CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES.intersection(
            extended_attributes.iterkeys()),
        '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]
        # TODO(yukishiino): Retire has_custom_registration flag.  Should be
        # replaced with V8DOMConfiguration::PropertyLocationConfiguration.
        'has_custom_registration':
        v8_utilities.has_extended_attribute(
            method, CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES),
        '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_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_do_not_check_security':
        is_do_not_check_security,
        'is_explicit_nullable':
        idl_type.is_explicit_nullable,
        'is_implemented_in_private_script':
        is_implemented_in_private_script,
        '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),
        'only_exposed_to_private_script':
        is_only_exposed_to_private_script,
        '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]
        'private_script_v8_value_to_local_cpp_value':
        idl_type.v8_value_to_local_cpp_value(extended_attributes,
                                             'v8Value',
                                             'cppValue',
                                             isolate='scriptState->isolate()',
                                             bailout_return_value='false'),
        'property_attributes':
        property_attributes(interface, method),
        'returns_promise':
        method.returns_promise,
        'runtime_enabled_function':
        v8_utilities.runtime_enabled_function_name(method),  # [RuntimeEnabled]
        'secure_context_test':
        v8_utilities.secure_context(method, interface),  # [SecureContext]
        'should_be_exposed_to_script':
        not (is_implemented_in_private_script
             and is_only_exposed_to_private_script),
        '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],
    }
コード例 #8
0
ファイル: v8_methods.py プロジェクト: wangshijun/Blink
def generate_method(interface, method):
    arguments = method.arguments
    extended_attributes = method.extended_attributes
    idl_type = method.idl_type
    is_static = method.is_static
    name = method.name

    v8_types.add_includes_for_type(idl_type)
    this_cpp_value = cpp_value(interface, method, len(arguments))

    def function_template():
        if is_static:
            return 'functionTemplate'
        if 'Unforgeable' in extended_attributes:
            return 'instanceTemplate'
        return 'prototypeTemplate'

    is_call_with_script_arguments = has_extended_attribute_value(method, 'CallWith', 'ScriptArguments')
    if is_call_with_script_arguments:
        includes.update(['bindings/v8/ScriptCallStackFactory.h',
                         'core/inspector/ScriptArguments.h'])
    is_call_with_script_state = has_extended_attribute_value(method, 'CallWith', 'ScriptState')
    if is_call_with_script_state:
        includes.add('bindings/v8/ScriptState.h')
    is_check_security_for_node = 'CheckSecurity' in extended_attributes
    if is_check_security_for_node:
        includes.add('bindings/v8/BindingSecurity.h')
    is_custom_element_callbacks = 'CustomElementCallbacks' in extended_attributes
    if is_custom_element_callbacks:
        includes.add('core/dom/custom/CustomElementCallbackDispatcher.h')

    is_check_security_for_frame = (
        'CheckSecurity' in interface.extended_attributes and
        'DoNotCheckSecurity' not in extended_attributes)
    is_raises_exception = 'RaisesException' in extended_attributes

    return {
        'activity_logging_world_list': v8_utilities.activity_logging_world_list(method),  # [ActivityLogging]
        'arguments': [generate_argument(interface, method, argument, index)
                      for index, argument in enumerate(arguments)],
        'conditional_string': v8_utilities.conditional_string(method),
        'cpp_type': v8_types.cpp_type(idl_type),
        'cpp_value': this_cpp_value,
        'deprecate_as': v8_utilities.deprecate_as(method),  # [DeprecateAs]
        'do_not_check_signature': not(is_static or
            v8_utilities.has_extended_attribute(method,
                ['DoNotCheckSecurity', 'DoNotCheckSignature', 'NotEnumerable',
                 'ReadOnly', 'RuntimeEnabled', 'Unforgeable'])),
        'function_template': function_template(),
        'idl_type': idl_type,
        'has_exception_state':
            is_raises_exception or
            is_check_security_for_frame or
            any(argument for argument in arguments
                if argument.idl_type == 'SerializedScriptValue' or
                   v8_types.is_integer_type(argument.idl_type)) or
            name in ['addEventListener', 'removeEventListener'],
        '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_check_security_for_frame': is_check_security_for_frame,
        'is_check_security_for_node': is_check_security_for_node,
        'is_custom': 'Custom' in extended_attributes,
        'is_custom_element_callbacks': is_custom_element_callbacks,
        'is_do_not_check_security': 'DoNotCheckSecurity' in extended_attributes,
        'is_do_not_check_signature': 'DoNotCheckSignature' in extended_attributes,
        'is_per_world_bindings': 'PerWorldBindings' in extended_attributes,
        'is_raises_exception': is_raises_exception,
        'is_read_only': 'ReadOnly' in extended_attributes,
        'is_static': is_static,
        'is_strict_type_checking':
            'StrictTypeChecking' in extended_attributes or
            'StrictTypeChecking' in interface.extended_attributes,
        'is_variadic': arguments and arguments[-1].is_variadic,
        'measure_as': v8_utilities.measure_as(method),  # [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]),
        'per_context_enabled_function': v8_utilities.per_context_enabled_function_name(method),  # [PerContextEnabled]
        'property_attributes': property_attributes(method),
        'runtime_enabled_function': v8_utilities.runtime_enabled_function_name(method),  # [RuntimeEnabled]
        'signature': 'v8::Local<v8::Signature>()' if is_static or 'DoNotCheckSignature' in extended_attributes else 'defaultSignature',
        'union_arguments': union_arguments(idl_type),
        'v8_set_return_value_for_main_world': v8_set_return_value(interface.name, method, this_cpp_value, for_main_world=True),
        'v8_set_return_value': v8_set_return_value(interface.name, method, this_cpp_value),
        'world_suffixes': ['', 'ForMainWorld'] if 'PerWorldBindings' in extended_attributes else [''],  # [PerWorldBindings]
    }
コード例 #9
0
def generate_attribute(interface, attribute):
    idl_type = attribute.idl_type
    extended_attributes = attribute.extended_attributes

    has_custom_getter = has_extended_attribute(attribute,
                                               ('Custom', 'CustomGetter'))
    has_custom_setter = not attribute.is_read_only and has_extended_attribute(
        attribute, ('Custom', 'CustomSetter'))
    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]
        'cached_attribute_validation_method':
        extended_attributes.get('CachedAttribute'),
        'conditional_string':
        v8_utilities.generate_conditional_string(attribute),
        'cpp_type':
        v8_types.cpp_type(idl_type),
        'getter_callback_name':
        getter_callback_name(interface, attribute),
        'getter_callback_name_for_main_world':
        getter_callback_name_for_main_world(interface, attribute),
        'has_custom_getter':
        has_custom_getter,
        'has_custom_setter':
        has_custom_setter,
        'idl_type':
        idl_type,
        'is_constructor':
        is_constructor_attribute(attribute),
        'is_getter_raises_exception':
        has_extended_attribute(attribute,
                               ('GetterRaisesException', 'RaisesException')),
        'is_keep_alive_for_gc':
        is_keep_alive_for_gc(attribute),
        'is_nullable':
        attribute.is_nullable,
        'is_read_only':
        attribute.is_read_only,
        'is_replaceable':
        'Replaceable' in attribute.extended_attributes,
        'is_setter_raises_exception':
        has_extended_attribute(attribute,
                               ('RaisesException', 'SetterRaisesException')),
        'is_static':
        attribute.is_static,
        'name':
        attribute.name,
        'per_context_enabled_function_name':
        v8_utilities.per_context_enabled_function_name(
            attribute),  # [PerContextEnabled]
        'property_attributes':
        property_attributes(attribute),
        'setter_callback_name':
        setter_callback_name(interface, attribute),
        'setter_callback_name_for_main_world':
        setter_callback_name_for_main_world(interface, attribute),
        'v8_type':
        v8_types.v8_type(idl_type),
        'runtime_enabled_function_name':
        v8_utilities.runtime_enabled_function_name(
            attribute),  # [RuntimeEnabled]
        'world_suffixes': ['', 'ForMainWorld'] if 'PerWorldBindings'
        in extended_attributes else [''],  # [PerWorldBindings]
        'wrapper_type_info':
        wrapper_type_info(attribute),
    }
    if is_constructor_attribute(attribute):
        includes.update(v8_types.includes_for_type(idl_type))
        return contents
    if not has_custom_getter:
        generate_getter(interface, attribute, contents)
    if not attribute.is_read_only and not has_custom_setter:
        generate_setter(interface, attribute, contents)

    return contents
コード例 #10
0
ファイル: v8_methods.py プロジェクト: MitchRudominer/engine
def method_context(interface, method):
    arguments = method.arguments
    extended_attributes = method.extended_attributes
    idl_type = method.idl_type
    is_static = method.is_static
    name = method.name

    idl_type.add_includes_for_type()
    this_cpp_value = cpp_value(interface, method, len(arguments))

    def function_template():
        if is_static:
            return 'functionTemplate'
        return 'prototypeTemplate'

    is_call_with_script_arguments = has_extended_attribute_value(method, 'CallWith', 'ScriptArguments')
    if is_call_with_script_arguments:
        includes.update(['bindings/core/v8/ScriptCallStackFactory.h',
                         'core/inspector/ScriptArguments.h'])
    is_call_with_script_state = has_extended_attribute_value(method, 'CallWith', 'ScriptState')
    if is_call_with_script_state:
        includes.add('bindings/core/v8/ScriptState.h')

    is_raises_exception = 'RaisesException' in extended_attributes

    arguments_need_try_catch = (
        any(argument_needs_try_catch(method, argument)
            for argument in arguments))

    return {
        'arguments': [argument_context(interface, method, argument, index)
                      for index, argument in enumerate(arguments)],
        'arguments_need_try_catch': arguments_need_try_catch,
        '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,
        'custom_registration_extended_attributes':
            CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES.intersection(
                extended_attributes.iterkeys()),
        'exposed_test': v8_utilities.exposed(method, interface),  # [Exposed]
        'function_template': function_template(),
        'has_custom_registration': is_static or
            v8_utilities.has_extended_attribute(
                method, CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES),
        'has_exception_state':
            is_raises_exception or
            any(argument for argument in arguments
                if argument.idl_type.name == 'SerializedScriptValue' or
                   argument.idl_type.may_raise_exception_on_conversion),
        '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_custom': 'Custom' in extended_attributes,
        'is_explicit_nullable': idl_type.is_explicit_nullable,
        'is_partial_interface_member':
            'PartialInterfaceImplementedAs' in extended_attributes,
        'is_raises_exception': is_raises_exception,
        'is_static': is_static,
        'is_variadic': arguments and arguments[-1].is_variadic,
        '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]),
        'union_arguments': idl_type.union_arguments,
        'use_local_result': use_local_result(method),
    }
コード例 #11
0
def method_context(interface, method):
    arguments = method.arguments
    extended_attributes = method.extended_attributes
    idl_type = method.idl_type
    is_static = method.is_static
    name = method.name
    return_promise = idl_type.name == 'Promise'

    idl_type.add_includes_for_type()
    this_cpp_value = cpp_value(interface, method, len(arguments))

    def function_template():
        if is_static:
            return 'functionTemplate'
        if 'Unforgeable' in extended_attributes:
            return 'instanceTemplate'
        return 'prototypeTemplate'

    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

    is_call_with_script_arguments = has_extended_attribute_value(method, 'CallWith', 'ScriptArguments')
    if is_call_with_script_arguments:
        includes.update(['bindings/core/v8/ScriptCallStackFactory.h',
                         'core/inspector/ScriptArguments.h'])
    is_call_with_script_state = has_extended_attribute_value(method, 'CallWith', 'ScriptState')
    if is_call_with_script_state:
        includes.add('bindings/core/v8/ScriptState.h')
    is_check_security_for_node = 'CheckSecurity' in extended_attributes
    if is_check_security_for_node:
        includes.add('bindings/core/v8/BindingSecurity.h')
    is_custom_element_callbacks = 'CustomElementCallbacks' in extended_attributes
    if is_custom_element_callbacks:
        includes.add('core/dom/custom/CustomElementCallbackDispatcher.h')

    is_check_security_for_frame = (
        'CheckSecurity' in interface.extended_attributes and
        'DoNotCheckSecurity' not in extended_attributes)
    is_raises_exception = 'RaisesException' in extended_attributes

    arguments_need_try_catch = (
        any(argument_needs_try_catch(argument, return_promise)
            for argument in arguments))

    return {
        'activity_logging_world_list': v8_utilities.activity_logging_world_list(method),  # [ActivityLogging]
        'arguments': [argument_context(interface, method, argument, index)
                      for index, argument in enumerate(arguments)],
        'argument_declarations_for_private_script':
            argument_declarations_for_private_script(interface, method),
        'arguments_need_try_catch': arguments_need_try_catch,
        'conditional_string': v8_utilities.conditional_string(method),
        '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,
        'custom_registration_extended_attributes':
            CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES.intersection(
                extended_attributes.iterkeys()),
        'deprecate_as': v8_utilities.deprecate_as(method),  # [DeprecateAs]
        'exposed_test': v8_utilities.exposed(method, interface),  # [Exposed]
        'function_template': function_template(),
        'has_custom_registration': is_static or
            v8_utilities.has_extended_attribute(
                method, CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES),
        'has_exception_state':
            is_raises_exception or
            is_check_security_for_frame or
            interface.name == 'EventTarget' or  # FIXME: merge with is_check_security_for_frame http://crbug.com/383699
            any(argument for argument in arguments
                if argument.idl_type.name == 'SerializedScriptValue' or
                   argument.idl_type.may_raise_exception_on_conversion),
        '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_check_security_for_frame': is_check_security_for_frame,
        'is_check_security_for_node': is_check_security_for_node,
        'is_custom': 'Custom' in extended_attributes,
        'is_custom_element_callbacks': is_custom_element_callbacks,
        'is_do_not_check_security': 'DoNotCheckSecurity' in extended_attributes,
        'is_do_not_check_signature': 'DoNotCheckSignature' in extended_attributes,
        'is_explicit_nullable': idl_type.is_explicit_nullable,
        'is_implemented_in_private_script': is_implemented_in_private_script,
        'is_partial_interface_member':
            'PartialInterfaceImplementedAs' in extended_attributes,
        'is_per_world_bindings': 'PerWorldBindings' in extended_attributes,
        'is_raises_exception': is_raises_exception,
        'is_read_only': 'Unforgeable' in extended_attributes,
        'is_static': is_static,
        'is_variadic': arguments and arguments[-1].is_variadic,
        'measure_as': v8_utilities.measure_as(method),  # [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]),
        'only_exposed_to_private_script': is_only_exposed_to_private_script,
        'per_context_enabled_function': v8_utilities.per_context_enabled_function_name(method),  # [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(method),
        'runtime_enabled_function': v8_utilities.runtime_enabled_function_name(method),  # [RuntimeEnabled]
        'should_be_exposed_to_script': not (is_implemented_in_private_script and is_only_exposed_to_private_script),
        'signature': 'v8::Local<v8::Signature>()' if is_static or 'DoNotCheckSignature' in extended_attributes else 'defaultSignature',
        'union_arguments': idl_type.union_arguments,
        '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),
        'world_suffixes': ['', 'ForMainWorld'] if 'PerWorldBindings' in extended_attributes else [''],  # [PerWorldBindings],
    }
コード例 #12
0
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_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

    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("bindings/core/v8/ScriptState.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(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/dom/custom/CEReactionsScope.h")
    is_custom_element_callbacks = "CustomElementCallbacks" in extended_attributes
    if is_custom_element_callbacks:
        includes.add("core/dom/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/SerializedScriptValueFactory.h")
        includes.add("bindings/core/v8/Transferables.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,
        "argument_declarations_for_private_script": argument_declarations_for_private_script(interface, method),
        "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,
        "custom_registration_extended_attributes": CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES.intersection(
            extended_attributes.iterkeys()
        ),
        "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]
        # TODO(yukishiino): Retire has_custom_registration flag.  Should be
        # replaced with V8DOMConfiguration::PropertyLocationConfiguration.
        "has_custom_registration": v8_utilities.has_extended_attribute(method, CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES),
        "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_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_do_not_check_security": is_do_not_check_security,
        "is_explicit_nullable": idl_type.is_explicit_nullable,
        "is_implemented_in_private_script": is_implemented_in_private_script,
        "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),
        "only_exposed_to_private_script": is_only_exposed_to_private_script,
        "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]
        "private_script_v8_value_to_local_cpp_value": idl_type.v8_value_to_local_cpp_value(
            extended_attributes, "v8Value", "cppValue", isolate="scriptState->isolate()", bailout_return_value="false"
        ),
        "property_attributes": property_attributes(interface, method),
        "returns_promise": method.returns_promise,
        "runtime_enabled_function": v8_utilities.runtime_enabled_function_name(method),  # [RuntimeEnabled]
        "should_be_exposed_to_script": not (is_implemented_in_private_script and is_only_exposed_to_private_script),
        "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],
    }
コード例 #13
0
ファイル: v8_methods.py プロジェクト: takaaptech/sky_engine
def method_context(interface, method):
    arguments = method.arguments
    extended_attributes = method.extended_attributes
    idl_type = method.idl_type
    is_static = method.is_static
    name = method.name

    idl_type.add_includes_for_type()
    this_cpp_value = cpp_value(interface, method, len(arguments))

    def function_template():
        if is_static:
            return "functionTemplate"
        return "prototypeTemplate"

    is_call_with_script_arguments = has_extended_attribute_value(method, "CallWith", "ScriptArguments")
    if is_call_with_script_arguments:
        includes.update(["bindings/core/v8/ScriptCallStackFactory.h", "core/inspector/ScriptArguments.h"])
    is_call_with_script_state = has_extended_attribute_value(method, "CallWith", "ScriptState")
    if is_call_with_script_state:
        includes.add("bindings/core/v8/ScriptState.h")
    is_custom_element_callbacks = "CustomElementCallbacks" in extended_attributes
    if is_custom_element_callbacks:
        includes.add("sky/engine/core/dom/custom/custom_element_callback_scope.h")

    is_raises_exception = "RaisesException" in extended_attributes

    arguments_need_try_catch = any(argument_needs_try_catch(method, argument) for argument in arguments)

    return {
        "arguments": [argument_context(interface, method, argument, index) for index, argument in enumerate(arguments)],
        "arguments_need_try_catch": arguments_need_try_catch,
        "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,
        "custom_registration_extended_attributes": CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES.intersection(
            extended_attributes.iterkeys()
        ),
        "exposed_test": v8_utilities.exposed(method, interface),  # [Exposed]
        "function_template": function_template(),
        "has_custom_registration": is_static
        or v8_utilities.has_extended_attribute(method, CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES),
        "has_exception_state": is_raises_exception
        or any(
            argument
            for argument in arguments
            if argument.idl_type.name == "SerializedScriptValue" or argument.idl_type.may_raise_exception_on_conversion
        ),
        "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_custom": "Custom" in extended_attributes,
        "is_custom_element_callbacks": is_custom_element_callbacks,
        "is_explicit_nullable": idl_type.is_explicit_nullable,
        "is_partial_interface_member": "PartialInterfaceImplementedAs" in extended_attributes,
        "is_raises_exception": is_raises_exception,
        "is_static": is_static,
        "is_variadic": arguments and arguments[-1].is_variadic,
        "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]
        ),
        "union_arguments": idl_type.union_arguments,
        "use_local_result": use_local_result(method),
    }
コード例 #14
0
def generate_method(interface, method):
    arguments = method.arguments
    extended_attributes = method.extended_attributes
    idl_type = method.idl_type
    is_static = method.is_static
    name = method.name

    this_cpp_value = cpp_value(interface, method, len(arguments))
    this_custom_signature = custom_signature(method, arguments)

    def function_template():
        # FIXME: Rename as follows (also in v8/V8DOMConfiguration):
        # desc => functionTemplate
        # instance => instanceTemplate
        # proto => prototypeTemplate
        if is_static:
            return 'desc'
        if 'Unforgeable' in extended_attributes:
            return 'instance'
        return 'proto'

    def signature():
        if this_custom_signature:
            return name + 'Signature'
        if is_static or 'DoNotCheckSignature' in extended_attributes:
            return 'v8::Local<v8::Signature>()'
        return 'defaultSignature'

    is_call_with_script_arguments = has_extended_attribute_value(method, 'CallWith', 'ScriptArguments')
    if is_call_with_script_arguments:
        includes.update(['bindings/v8/ScriptCallStackFactory.h',
                         'core/inspector/ScriptArguments.h'])
    is_call_with_script_state = has_extended_attribute_value(method, 'CallWith', 'ScriptState')
    if is_call_with_script_state:
        includes.add('bindings/v8/ScriptState.h')
    is_check_security_for_node = 'CheckSecurityForNode' in extended_attributes
    if is_check_security_for_node:
        includes.add('bindings/v8/BindingSecurity.h')
    is_custom_element_callbacks = 'CustomElementCallbacks' in extended_attributes
    if is_custom_element_callbacks:
        includes.add('core/dom/custom/CustomElementCallbackDispatcher.h')
    is_raises_exception = 'RaisesException' in extended_attributes
    if is_raises_exception:
        includes.update(['bindings/v8/ExceptionMessages.h',
                         'bindings/v8/ExceptionState.h'])

    contents = {
        'activity_logging_world_list': v8_utilities.activity_logging_world_list(method),  # [ActivityLogging]
        'arguments': [generate_argument(interface, method, argument, index)
                      for index, argument in enumerate(arguments)],
        'conditional_string': v8_utilities.conditional_string(method),
        'cpp_type': v8_types.cpp_type(idl_type),
        'cpp_value': this_cpp_value,
        'custom_signature': this_custom_signature,
        'deprecate_as': v8_utilities.deprecate_as(method),  # [DeprecateAs]
        'do_not_check_signature': not(this_custom_signature or is_static or
            v8_utilities.has_extended_attribute(method,
                ['DoNotCheckSignature', 'NotEnumerable', 'ReadOnly',
                 'RuntimeEnabled', 'Unforgeable'])),
        'function_template': function_template(),
        'idl_type': idl_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_check_security_for_node': is_check_security_for_node,
        'is_custom': 'Custom' in extended_attributes,
        'is_custom_element_callbacks': is_custom_element_callbacks,
        'is_per_world_bindings': 'PerWorldBindings' in extended_attributes,
        'is_raises_exception': is_raises_exception,
        'is_static': is_static,
        'measure_as': v8_utilities.measure_as(method),  # [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]),
        'per_context_enabled_function_name': v8_utilities.per_context_enabled_function_name(method),  # [PerContextEnabled]
        'property_attributes': property_attributes(method),
        'runtime_enabled_function_name': v8_utilities.runtime_enabled_function_name(method),  # [RuntimeEnabled]
        'signature': signature(),
        'v8_set_return_value': v8_set_return_value(method, this_cpp_value),
        'world_suffixes': ['', 'ForMainWorld'] if 'PerWorldBindings' in extended_attributes else [''],  # [PerWorldBindings]
    }
    return contents
コード例 #15
0
def generate_method(interface, method):
    arguments = method.arguments
    extended_attributes = method.extended_attributes
    idl_type = method.idl_type
    is_static = method.is_static
    name = method.name

    idl_type.add_includes_for_type()
    this_cpp_value = cpp_value(interface, method, len(arguments))

    def function_template():
        if is_static:
            return 'functionTemplate'
        if 'Unforgeable' in extended_attributes:
            return 'instanceTemplate'
        return 'prototypeTemplate'

    is_call_with_script_arguments = has_extended_attribute_value(
        method, 'CallWith', 'ScriptArguments')
    if is_call_with_script_arguments:
        includes.update([
            'bindings/v8/ScriptCallStackFactory.h',
            'core/inspector/ScriptArguments.h'
        ])
    is_call_with_script_state = has_extended_attribute_value(
        method, 'CallWith', 'ScriptState')
    if is_call_with_script_state:
        includes.add('bindings/v8/ScriptState.h')
    is_check_security_for_node = 'CheckSecurity' in extended_attributes
    if is_check_security_for_node:
        includes.add('bindings/v8/BindingSecurity.h')
    is_custom_element_callbacks = 'CustomElementCallbacks' in extended_attributes
    if is_custom_element_callbacks:
        includes.add('core/dom/custom/CustomElementCallbackDispatcher.h')

    has_event_listener_argument = any(
        argument for argument in arguments
        if argument.idl_type.name == 'EventListener')
    is_check_security_for_frame = (
        'CheckSecurity' in interface.extended_attributes
        and 'DoNotCheckSecurity' not in extended_attributes)
    is_raises_exception = 'RaisesException' in extended_attributes

    arguments_need_try_catch = any(
        argument_needs_try_catch(argument) for argument in arguments)

    return {
        'activity_logging_world_list':
        v8_utilities.activity_logging_world_list(method),  # [ActivityLogging]
        'arguments': [
            generate_argument(interface, method, argument, index)
            for index, argument in enumerate(arguments)
        ],
        'arguments_need_try_catch':
        arguments_need_try_catch,
        'conditional_string':
        v8_utilities.conditional_string(method),
        'cpp_type':
        idl_type.cpp_type,
        'cpp_value':
        this_cpp_value,
        'custom_registration_extended_attributes':
        CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES.intersection(
            extended_attributes.iterkeys()),
        'deprecate_as':
        v8_utilities.deprecate_as(method),  # [DeprecateAs]
        'function_template':
        function_template(),
        'has_custom_registration':
        is_static or v8_utilities.has_extended_attribute(
            method, CUSTOM_REGISTRATION_EXTENDED_ATTRIBUTES),
        'has_event_listener_argument':
        has_event_listener_argument,
        'has_exception_state':
        has_event_listener_argument or is_raises_exception
        or is_check_security_for_frame
        or any(argument for argument in arguments if argument.idl_type.name in
               ('ByteString', 'ScalarValueString',
                'SerializedScriptValue') or argument.idl_type.is_integer_type),
        '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_check_security_for_frame':
        is_check_security_for_frame,
        'is_check_security_for_node':
        is_check_security_for_node,
        'is_custom':
        'Custom' in extended_attributes,
        'is_custom_element_callbacks':
        is_custom_element_callbacks,
        'is_do_not_check_security':
        'DoNotCheckSecurity' in extended_attributes,
        'is_do_not_check_signature':
        'DoNotCheckSignature' 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_read_only':
        'ReadOnly' in extended_attributes,
        'is_static':
        is_static,
        'is_variadic':
        arguments and arguments[-1].is_variadic,
        'measure_as':
        v8_utilities.measure_as(method),  # [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]),
        'per_context_enabled_function':
        v8_utilities.per_context_enabled_function_name(
            method),  # [PerContextEnabled]
        'property_attributes':
        property_attributes(method),
        'runtime_enabled_function':
        v8_utilities.runtime_enabled_function_name(method),  # [RuntimeEnabled]
        'signature':
        'v8::Local<v8::Signature>()' if is_static or 'DoNotCheckSignature'
        in extended_attributes else 'defaultSignature',
        'union_arguments':
        idl_type.union_arguments,
        'v8_set_return_value_for_main_world':
        v8_set_return_value(interface.name,
                            method,
                            this_cpp_value,
                            for_main_world=True),
        'v8_set_return_value':
        v8_set_return_value(interface.name, method, this_cpp_value),
        'world_suffixes': ['', 'ForMainWorld'] if 'PerWorldBindings'
        in extended_attributes else [''],  # [PerWorldBindings]
    }