def setter_base_name(interface, attribute, arguments):
if 'ImplementedInPrivateScript' in attribute.extended_attributes:
return '%sAttributeSetter' % uncapitalize(cpp_name(attribute))
if 'Reflect' not in attribute.extended_attributes:
return 'set%s' % capitalize(cpp_name(attribute))
arguments.append(scoped_content_attribute_name(interface, attribute))
base_idl_type = attribute.idl_type.base_type
if base_idl_type in CONTENT_ATTRIBUTE_SETTER_NAMES:
return CONTENT_ATTRIBUTE_SETTER_NAMES[base_idl_type]
return 'setAttribute'
def setter_base_name(interface, attribute, arguments):
if 'ImplementedInPrivateScript' in attribute.extended_attributes:
return '%sAttributeSetter' % uncapitalize(cpp_name(attribute))
if 'Reflect' not in attribute.extended_attributes:
return 'set%s' % capitalize(cpp_name(attribute))
arguments.append(scoped_content_attribute_name(interface, attribute))
base_idl_type = attribute.idl_type.base_type
if base_idl_type in CONTENT_ATTRIBUTE_SETTER_NAMES:
return CONTENT_ATTRIBUTE_SETTER_NAMES[base_idl_type]
return 'setAttribute'
def property_getter(getter, cpp_arguments):
def is_null_expression(idl_type):
if idl_type.is_union_type:
notnull = ' || '.join([
member_argument['null_check_value']
for member_argument in idl_type.union_arguments])
return '!(%s)' % notnull
if idl_type.name == 'String':
return 'result.isNull()'
if idl_type.is_interface_type:
return '!result'
return ''
idl_type = getter.idl_type
extended_attributes = getter.extended_attributes
is_raises_exception = 'RaisesException' in extended_attributes
# FIXME: make more generic, so can use ext_methods.cpp_value
cpp_method_name = 'impl->%s' % cpp_name(getter)
if is_raises_exception:
cpp_arguments.append('exceptionState')
union_arguments = idl_type.union_arguments
if union_arguments:
cpp_arguments.extend([member_argument['cpp_value']
for member_argument in union_arguments])
cpp_value = '%s(%s)' % (cpp_method_name, ', '.join(cpp_arguments))
return {
'cpp_type': idl_type.cpp_type,
'cpp_value': cpp_value,
'is_custom':
'Custom' in extended_attributes and
(not extended_attributes['Custom'] or
has_extended_attribute_value(getter, 'Custom', 'PropertyGetter')),
'is_custom_property_enumerator': has_extended_attribute_value(
getter, 'Custom', 'PropertyEnumerator'),
'is_custom_property_query': has_extended_attribute_value(
getter, 'Custom', 'PropertyQuery'),
'is_enumerable': 'NotEnumerable' not in extended_attributes,
'is_null_expression': is_null_expression(idl_type),
'is_raises_exception': is_raises_exception,
'name': cpp_name(getter),
'union_arguments': union_arguments,
'ext_set_return_value': idl_type.ext_set_return_value('result', extended_attributes=extended_attributes, script_wrappable='impl', release=idl_type.release),
}
def cpp_value(interface, method, number_of_arguments):
def cpp_argument(argument):
idl_type = argument.idl_type
if idl_type.name == 'EventListener':
return argument.name
if (idl_type.is_callback_interface or
idl_type.name in ['NodeFilter', 'NodeFilterOrNull',
'XPathNSResolver', 'XPathNSResolverOrNull']):
# FIXME: remove this special case
return '%s.release()' % argument.name
return argument.name
# Truncate omitted optional arguments
arguments = method.arguments[:number_of_arguments]
cpp_arguments = []
if 'ImplementedInPrivateScript' in method.extended_attributes:
cpp_arguments.append('toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext())')
cpp_arguments.append('impl')
if method.is_constructor:
call_with_values = interface.extended_attributes.get('ConstructorCallWith')
else:
call_with_values = method.extended_attributes.get('CallWith')
cpp_arguments.extend(ext_utilities.call_with_arguments(call_with_values))
# Members of IDL partial interface definitions are implemented in C++ as
# static member functions, which for instance members (non-static members)
# take *impl as their first argument
if ('PartialInterfaceImplementedAs' in method.extended_attributes and
not 'ImplementedInPrivateScript' in method.extended_attributes and
not method.is_static):
cpp_arguments.append('*impl')
cpp_arguments.extend(cpp_argument(argument) for argument in arguments)
this_union_arguments = method.idl_type and method.idl_type.union_arguments
if this_union_arguments:
cpp_arguments.extend([member_argument['cpp_value']
for member_argument in this_union_arguments])
if 'ImplementedInPrivateScript' in method.extended_attributes:
if method.idl_type.name != 'void':
cpp_arguments.append('&result')
elif ('RaisesException' in method.extended_attributes or
(method.is_constructor and
has_extended_attribute_value(interface, 'RaisesException', 'Constructor'))):
cpp_arguments.append('exceptionState')
if method.name == 'Constructor':
base_name = 'create'
elif method.name == 'NamedConstructor':
base_name = 'createForJSConstructor'
elif 'ImplementedInPrivateScript' in method.extended_attributes:
base_name = '%sMethod' % method.name
else:
base_name = ext_utilities.cpp_name(method)
cpp_method_name = ext_utilities.scoped_name(interface, method, base_name)
return '%s(%s)' % (cpp_method_name, ', '.join(cpp_arguments))
def setter_callback_name(interface, attribute):
cpp_class_name = cpp_name(interface)
extended_attributes = attribute.extended_attributes
if (('Replaceable' in extended_attributes and
'PutForwards' not in extended_attributes) or
is_constructor_attribute(attribute)):
return '{0}V8Internal::{0}ForceSetAttributeOnThisCallback'.format(cpp_class_name)
if attribute.is_read_only and 'PutForwards' not in extended_attributes:
return '0'
return '%sV8Internal::%sAttributeSetterCallback' % (cpp_class_name, attribute.name)
def dictionary_impl_context(dictionary, interfaces_info):
includes.clear()
header_includes = set(['platform/heap/Handle.h'])
return {
'header_includes': header_includes,
'cpp_class': ext_utilities.cpp_name(dictionary),
'members': [member_impl_context(member, interfaces_info,
header_includes)
for member in dictionary.members],
}
def dictionary_context(dictionary):
includes.clear()
includes.update(DICTIONARY_CPP_INCLUDES)
return {
'cpp_class': ext_utilities.cpp_name(dictionary),
'header_includes': set(DICTIONARY_H_INCLUDES),
'members': [member_context(member)
for member in sorted(dictionary.members,
key=operator.attrgetter('name'))],
'ext_class': ext_utilities.ext_class_name(dictionary),
}
def setter_callback_name(interface, attribute):
cpp_class_name = cpp_name(interface)
extended_attributes = attribute.extended_attributes
if (('Replaceable' in extended_attributes
and 'PutForwards' not in extended_attributes)
or is_constructor_attribute(attribute)):
return '{0}V8Internal::{0}ForceSetAttributeOnThisCallback'.format(
cpp_class_name)
if attribute.is_read_only and 'PutForwards' not in extended_attributes:
return '0'
return '%sV8Internal::%sAttributeSetterCallback' % (cpp_class_name,
attribute.name)
def property_deleter(deleter):
idl_type = deleter.idl_type
if str(idl_type) != 'boolean':
raise Exception(
'Only deleters with boolean type are allowed, but type is "%s"' %
idl_type)
extended_attributes = deleter.extended_attributes
return {
'is_custom': 'Custom' in extended_attributes,
'is_raises_exception': 'RaisesException' in extended_attributes,
'name': cpp_name(deleter),
}
def getter_base_name(interface, attribute, arguments):
extended_attributes = attribute.extended_attributes
if 'ImplementedInPrivateScript' in extended_attributes:
return '%sAttributeGetter' % uncapitalize(cpp_name(attribute))
if 'Reflect' not in extended_attributes:
return uncapitalize(cpp_name(attribute))
content_attribute_name = extended_attributes['Reflect'] or attribute.name.lower()
if content_attribute_name in ['class', 'id', 'name']:
# Special-case for performance optimization.
return 'get%sAttribute' % content_attribute_name.capitalize()
arguments.append(scoped_content_attribute_name(interface, attribute))
base_idl_type = attribute.idl_type.base_type
if base_idl_type in CONTENT_ATTRIBUTE_GETTER_NAMES:
return CONTENT_ATTRIBUTE_GETTER_NAMES[base_idl_type]
if 'URL' in attribute.extended_attributes:
return 'getURLAttribute'
return 'fastGetAttribute'
def dictionary_impl_context(dictionary, interfaces_info):
includes.clear()
header_includes = set(['platform/heap/Handle.h'])
return {
'header_includes':
header_includes,
'cpp_class':
ext_utilities.cpp_name(dictionary),
'members': [
member_impl_context(member, interfaces_info, header_includes)
for member in dictionary.members
],
}
def getter_base_name(interface, attribute, arguments):
extended_attributes = attribute.extended_attributes
if 'ImplementedInPrivateScript' in extended_attributes:
return '%sAttributeGetter' % uncapitalize(cpp_name(attribute))
if 'Reflect' not in extended_attributes:
return uncapitalize(cpp_name(attribute))
content_attribute_name = extended_attributes[
'Reflect'] or attribute.name.lower()
if content_attribute_name in ['class', 'id', 'name']:
# Special-case for performance optimization.
return 'get%sAttribute' % content_attribute_name.capitalize()
arguments.append(scoped_content_attribute_name(interface, attribute))
base_idl_type = attribute.idl_type.base_type
if base_idl_type in CONTENT_ATTRIBUTE_GETTER_NAMES:
return CONTENT_ATTRIBUTE_GETTER_NAMES[base_idl_type]
if 'URL' in attribute.extended_attributes:
return 'getURLAttribute'
return 'fastGetAttribute'
def dictionary_context(dictionary):
includes.clear()
includes.update(DICTIONARY_CPP_INCLUDES)
return {
'cpp_class':
ext_utilities.cpp_name(dictionary),
'header_includes':
set(DICTIONARY_H_INCLUDES),
'members': [
member_context(member)
for member in sorted(dictionary.members,
key=operator.attrgetter('name'))
],
'ext_class':
ext_utilities.ext_class_name(dictionary),
}
def property_setter(setter):
idl_type = setter.arguments[1].idl_type
extended_attributes = setter.extended_attributes
is_raises_exception = 'RaisesException' in extended_attributes
return {
'has_type_checking_interface':
has_extended_attribute_value(setter, 'TypeChecking', 'Interface') and
idl_type.is_wrapper_type,
'idl_type': idl_type.base_type,
'is_custom': 'Custom' in extended_attributes,
'has_exception_state': is_raises_exception or
idl_type.is_integer_type,
'is_raises_exception': is_raises_exception,
'name': cpp_name(setter),
'ext_value_to_local_cpp_value': idl_type.ext_value_to_local_cpp_value(
extended_attributes, 'v8Value', 'propertyValue'),
}
def setter_expression(interface, attribute, context):
extended_attributes = attribute.extended_attributes
arguments = ext_utilities.call_with_arguments(
extended_attributes.get('SetterCallWith')
or extended_attributes.get('CallWith'))
this_setter_base_name = setter_base_name(interface, attribute, arguments)
setter_name = scoped_name(interface, attribute, this_setter_base_name)
# Members of IDL partial interface definitions are implemented in C++ as
# static member functions, which for instance members (non-static members)
# take *impl as their first argument
if ('PartialInterfaceImplementedAs' in extended_attributes
and not 'ImplementedInPrivateScript' in extended_attributes
and not attribute.is_static):
arguments.append('*impl')
idl_type = attribute.idl_type
if 'ImplementedInPrivateScript' in extended_attributes:
arguments.append(
'toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext())')
arguments.append('impl')
arguments.append('cppValue')
elif idl_type.base_type == 'EventHandler':
getter_name = scoped_name(interface, attribute, cpp_name(attribute))
context['event_handler_getter_expression'] = '%s(%s)' % (
getter_name, ', '.join(arguments))
if (interface.name in ['Window', 'WorkerGlobalScope']
and attribute.name == 'onerror'):
includes.add('bindings/core/v8/V8ErrorHandler.h')
arguments.append(
'V8EventListenerList::findOrCreateWrapper<V8ErrorHandler>(v8Value, true, ScriptState::current(info.GetIsolate()))'
)
else:
arguments.append(
'V8EventListenerList::getEventListener(ScriptState::current(info.GetIsolate()), v8Value, true, ListenerFindOrCreate)'
)
elif idl_type.is_interface_type:
# FIXME: should be able to eliminate WTF::getPtr in most or all cases
arguments.append('WTF::getPtr(cppValue)')
else:
arguments.append('cppValue')
if context['is_setter_raises_exception']:
arguments.append('exceptionState')
return '%s(%s)' % (setter_name, ', '.join(arguments))
def setter_expression(interface, attribute, context):
extended_attributes = attribute.extended_attributes
arguments = ext_utilities.call_with_arguments(
extended_attributes.get('SetterCallWith') or
extended_attributes.get('CallWith'))
this_setter_base_name = setter_base_name(interface, attribute, arguments)
setter_name = scoped_name(interface, attribute, this_setter_base_name)
# Members of IDL partial interface definitions are implemented in C++ as
# static member functions, which for instance members (non-static members)
# take *impl as their first argument
if ('PartialInterfaceImplementedAs' in extended_attributes and
not 'ImplementedInPrivateScript' in extended_attributes and
not attribute.is_static):
arguments.append('*impl')
idl_type = attribute.idl_type
if 'ImplementedInPrivateScript' in extended_attributes:
arguments.append('toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext())')
arguments.append('impl')
arguments.append('cppValue')
elif idl_type.base_type == 'EventHandler':
getter_name = scoped_name(interface, attribute, cpp_name(attribute))
context['event_handler_getter_expression'] = '%s(%s)' % (
getter_name, ', '.join(arguments))
if (interface.name in ['Window', 'WorkerGlobalScope'] and
attribute.name == 'onerror'):
includes.add('bindings/core/v8/V8ErrorHandler.h')
arguments.append('V8EventListenerList::findOrCreateWrapper<V8ErrorHandler>(v8Value, true, ScriptState::current(info.GetIsolate()))')
else:
arguments.append('V8EventListenerList::getEventListener(ScriptState::current(info.GetIsolate()), v8Value, true, ListenerFindOrCreate)')
elif idl_type.is_interface_type:
# FIXME: should be able to eliminate WTF::getPtr in most or all cases
arguments.append('WTF::getPtr(cppValue)')
else:
arguments.append('cppValue')
if context['is_setter_raises_exception']:
arguments.append('exceptionState')
return '%s(%s)' % (setter_name, ', '.join(arguments))
def constructor_context(interface, constructor):
arguments_need_try_catch = any(ext_methods.argument_needs_try_catch(constructor, argument)
for argument in constructor.arguments)
# [RaisesException=Constructor]
is_constructor_raises_exception = \
interface.extended_attributes.get('RaisesException') == 'Constructor'
return {
'arguments': [ext_methods.argument_context(interface, constructor, argument, index)
for index, argument in enumerate(constructor.arguments)],
'arguments_need_try_catch': arguments_need_try_catch,
'cpp_type': cpp_template_type(
cpp_ptr_type('RefPtr', 'RawPtr', gc_type(interface)),
cpp_name(interface)),
'cpp_value': ext_methods.cpp_value(
interface, constructor, len(constructor.arguments)),
'has_exception_state':
is_constructor_raises_exception or
any(argument for argument in constructor.arguments
if argument.idl_type.name == 'SerializedScriptValue' or
argument.idl_type.ext_conversion_needs_exception_state),
'is_call_with_document':
# [ConstructorCallWith=Document]
has_extended_attribute_value(interface,
'ConstructorCallWith', 'Document'),
'is_call_with_execution_context':
# [ConstructorCallWith=ExecutionContext]
has_extended_attribute_value(interface,
'ConstructorCallWith', 'ExecutionContext'),
'is_constructor': True,
'is_named_constructor': False,
'is_raises_exception': is_constructor_raises_exception,
'number_of_required_arguments':
number_of_required_arguments(constructor),
}
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': ext_utilities.activity_logging_world_list(attribute, 'Getter'), # [ActivityLogging]
'activity_logging_world_list_for_setter': ext_utilities.activity_logging_world_list(attribute, 'Setter'), # [ActivityLogging]
'activity_logging_world_check': ext_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': ext_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': ext_utilities.deprecate_as(attribute), # [DeprecateAs]
'enum_validation_expression': idl_type.enum_validation_expression,
'exposed_test': ext_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': ext_utilities.has_extended_attribute_value(attribute, 'CallWith', 'ExecutionContext'),
'is_call_with_script_state': ext_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': ext_utilities.measure_as(attribute), # [MeasureAs]
'name': attribute.name,
'only_exposed_to_private_script': is_only_exposed_to_private_script,
'per_context_enabled_function': ext_utilities.per_context_enabled_function_name(attribute), # [PerContextEnabled]
'private_script_ext_value_to_local_cpp_value': idl_type.ext_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': ext_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
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': ext_utilities.activity_logging_world_list(attribute, 'Getter'), # [ActivityLogging]
'activity_logging_world_list_for_setter': ext_utilities.activity_logging_world_list(attribute, 'Setter'), # [ActivityLogging]
'activity_logging_world_check': ext_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': ext_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': ext_utilities.deprecate_as(attribute), # [DeprecateAs]
'enum_validation_expression': idl_type.enum_validation_expression,
'exposed_test': ext_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': ext_utilities.has_extended_attribute_value(attribute, 'CallWith', 'ExecutionContext'),
'is_call_with_script_state': ext_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': ext_utilities.measure_as(attribute), # [MeasureAs]
'name': attribute.name,
'only_exposed_to_private_script': is_only_exposed_to_private_script,
'per_context_enabled_function': ext_utilities.per_context_enabled_function_name(attribute), # [PerContextEnabled]
'private_script_ext_value_to_local_cpp_value': idl_type.ext_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': ext_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
def cpp_value(interface, method, number_of_arguments):
def cpp_argument(argument):
idl_type = argument.idl_type
if idl_type.name == 'EventListener':
return argument.name
if (idl_type.is_callback_interface or idl_type.name in [
'NodeFilter', 'NodeFilterOrNull', 'XPathNSResolver',
'XPathNSResolverOrNull'
]):
# FIXME: remove this special case
return '%s.release()' % argument.name
return argument.name
# Truncate omitted optional arguments
arguments = method.arguments[:number_of_arguments]
cpp_arguments = []
if 'ImplementedInPrivateScript' in method.extended_attributes:
cpp_arguments.append(
'toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext())')
cpp_arguments.append('impl')
if method.is_constructor:
call_with_values = interface.extended_attributes.get(
'ConstructorCallWith')
else:
call_with_values = method.extended_attributes.get('CallWith')
cpp_arguments.extend(ext_utilities.call_with_arguments(call_with_values))
# Members of IDL partial interface definitions are implemented in C++ as
# static member functions, which for instance members (non-static members)
# take *impl as their first argument
if ('PartialInterfaceImplementedAs' in method.extended_attributes
and not 'ImplementedInPrivateScript' in method.extended_attributes
and not method.is_static):
cpp_arguments.append('*impl')
cpp_arguments.extend(cpp_argument(argument) for argument in arguments)
this_union_arguments = method.idl_type and method.idl_type.union_arguments
if this_union_arguments:
cpp_arguments.extend([
member_argument['cpp_value']
for member_argument in this_union_arguments
])
if 'ImplementedInPrivateScript' in method.extended_attributes:
if method.idl_type.name != 'void':
cpp_arguments.append('&result')
elif ('RaisesException' in method.extended_attributes
or (method.is_constructor and has_extended_attribute_value(
interface, 'RaisesException', 'Constructor'))):
cpp_arguments.append('exceptionState')
if method.name == 'Constructor':
base_name = 'create'
elif method.name == 'NamedConstructor':
base_name = 'createForJSConstructor'
elif 'ImplementedInPrivateScript' in method.extended_attributes:
base_name = '%sMethod' % method.name
else:
base_name = ext_utilities.cpp_name(method)
cpp_method_name = ext_utilities.scoped_name(interface, method, base_name)
return '%s(%s)' % (cpp_method_name, ', '.join(cpp_arguments))
def interface_context(interface):
includes.clear()
includes.update(INTERFACE_CPP_INCLUDES)
header_includes = set(INTERFACE_H_INCLUDES)
parent_interface = interface.parent
if parent_interface:
header_includes.update(ext_types.includes_for_interface(parent_interface))
extended_attributes = interface.extended_attributes
is_audio_buffer = inherits_interface(interface.name, 'AudioBuffer')
if is_audio_buffer:
includes.add('modules/webaudio/AudioBuffer.h')
is_document = inherits_interface(interface.name, 'Document')
if is_document:
includes.update(['bindings/core/v8/ScriptController.h',
'bindings/core/v8/WindowProxy.h',
'core/frame/LocalFrame.h'])
# [ActiveDOMObject]
is_active_dom_object = 'ActiveDOMObject' in extended_attributes
# [CheckSecurity]
is_check_security = 'CheckSecurity' in extended_attributes
if is_check_security:
includes.add('bindings/core/v8/BindingSecurity.h')
# [DependentLifetime]
is_dependent_lifetime = 'DependentLifetime' in extended_attributes
# [Iterable]
iterator_method = None
if 'Iterable' in extended_attributes:
iterator_operation = IdlOperation(interface.idl_name)
iterator_operation.name = 'iterator'
iterator_operation.idl_type = IdlType('Iterator')
iterator_operation.extended_attributes['RaisesException'] = None
iterator_operation.extended_attributes['CallWith'] = 'ScriptState'
iterator_method = ext_methods.method_context(interface,
iterator_operation)
# [MeasureAs]
is_measure_as = 'MeasureAs' in extended_attributes
if is_measure_as:
includes.add('core/frame/UseCounter.h')
# [SetWrapperReferenceFrom]
reachable_node_function = extended_attributes.get('SetWrapperReferenceFrom')
if reachable_node_function:
includes.update(['bindings/core/v8/V8GCController.h',
'core/dom/Element.h'])
# [SetWrapperReferenceTo]
set_wrapper_reference_to_list = [{
'name': argument.name,
# FIXME: properly should be:
# 'cpp_type': argument.idl_type.cpp_type_args(raw_type=True),
# (if type is non-wrapper type like NodeFilter, normally RefPtr)
# Raw pointers faster though, and NodeFilter hacky anyway.
'cpp_type': argument.idl_type.implemented_as + '*',
'idl_type': argument.idl_type,
'ext_type': ext_types.ext_type(argument.idl_type.name),
} for argument in extended_attributes.get('SetWrapperReferenceTo', [])]
for set_wrapper_reference_to in set_wrapper_reference_to_list:
set_wrapper_reference_to['idl_type'].add_includes_for_type()
# [NotScriptWrappable]
is_script_wrappable = 'NotScriptWrappable' not in extended_attributes
# [SpecialWrapFor]
if 'SpecialWrapFor' in extended_attributes:
special_wrap_for = extended_attribute_value_as_list(interface, 'SpecialWrapFor')
else:
special_wrap_for = []
for special_wrap_interface in special_wrap_for:
ext_types.add_includes_for_interface(special_wrap_interface)
# [Custom=Wrap], [SetWrapperReferenceFrom]
has_visit_dom_wrapper = (
has_extended_attribute_value(interface, 'Custom', 'VisitDOMWrapper') or
reachable_node_function or
set_wrapper_reference_to_list)
this_gc_type = gc_type(interface)
wrapper_class_id = ('NodeClassId' if inherits_interface(interface.name, 'Node') else 'ObjectClassId')
context = {
'conditional_string': conditional_string(interface), # [Conditional]
'cpp_class': cpp_name(interface),
'gc_type': this_gc_type,
# FIXME: Remove 'EventTarget' special handling, http://crbug.com/383699
'has_access_check_callbacks': (is_check_security and
interface.name != 'Window' and
interface.name != 'EventTarget'),
'has_custom_legacy_call_as_function': has_extended_attribute_value(interface, 'Custom', 'LegacyCallAsFunction'), # [Custom=LegacyCallAsFunction]
'has_custom_to_v8': has_extended_attribute_value(interface, 'Custom', 'ToV8'), # [Custom=ToV8]
'has_custom_wrap': has_extended_attribute_value(interface, 'Custom', 'Wrap'), # [Custom=Wrap]
'has_visit_dom_wrapper': has_visit_dom_wrapper,
'header_includes': header_includes,
'interface_name': interface.name,
'is_active_dom_object': is_active_dom_object,
'is_audio_buffer': is_audio_buffer,
'is_check_security': is_check_security,
'is_dependent_lifetime': is_dependent_lifetime,
'is_document': is_document,
'is_event_target': inherits_interface(interface.name, 'EventTarget'),
'is_exception': interface.is_exception,
'is_node': inherits_interface(interface.name, 'Node'),
'is_script_wrappable': is_script_wrappable,
'iterator_method': iterator_method,
'lifetime': 'Dependent'
if (has_visit_dom_wrapper or
is_active_dom_object or
is_dependent_lifetime)
else 'Independent',
'measure_as': ext_utilities.measure_as(interface), # [MeasureAs]
'parent_interface': parent_interface,
'pass_cpp_type': cpp_template_type(
cpp_ptr_type('PassRefPtr', 'RawPtr', this_gc_type),
cpp_name(interface)),
'reachable_node_function': reachable_node_function,
'runtime_enabled_function': runtime_enabled_function_name(interface), # [RuntimeEnabled]
'set_wrapper_reference_to_list': set_wrapper_reference_to_list,
'special_wrap_for': special_wrap_for,
'ext_class': ext_utilities.ext_class_name(interface),
'wrapper_class_id': wrapper_class_id,
}
# Constructors
constructors = [constructor_context(interface, constructor)
for constructor in interface.constructors
# FIXME: shouldn't put named constructors with constructors
# (currently needed for Perl compatibility)
# Handle named constructors separately
if constructor.name == 'Constructor']
if len(constructors) > 1:
context['constructor_overloads'] = overloads_context(constructors)
# [CustomConstructor]
custom_constructors = [{ # Only needed for computing interface length
'number_of_required_arguments':
number_of_required_arguments(constructor),
} for constructor in interface.custom_constructors]
# [EventConstructor]
has_event_constructor = 'EventConstructor' in extended_attributes
any_type_attributes = [attribute for attribute in interface.attributes
if attribute.idl_type.name == 'Any']
if has_event_constructor:
includes.add('bindings/core/v8/Dictionary.h')
if any_type_attributes:
includes.add('bindings/core/v8/SerializedScriptValue.h')
# [NamedConstructor]
named_constructor = named_constructor_context(interface)
if (constructors or custom_constructors or has_event_constructor or
named_constructor):
includes.add('bindings/core/v8/V8ObjectConstructor.h')
includes.add('core/frame/LocalDOMWindow.h')
context.update({
'any_type_attributes': any_type_attributes,
'constructors': constructors,
'has_custom_constructor': bool(custom_constructors),
'has_event_constructor': has_event_constructor,
'interface_length':
interface_length(interface, constructors + custom_constructors),
'is_constructor_raises_exception': extended_attributes.get('RaisesException') == 'Constructor', # [RaisesException=Constructor]
'named_constructor': named_constructor,
})
constants = [constant_context(constant) for constant in interface.constants]
# Constants
context.update({
'constants': constants,
'do_not_check_constants': 'DoNotCheckConstants' in extended_attributes,
'has_constant_configuration': any(
not constant['runtime_enabled_function']
for constant in constants),
})
# Attributes
attributes = [ext_attributes.attribute_context(interface, attribute)
for attribute in interface.attributes]
context.update({
'attributes': attributes,
'has_accessors': any(attribute['is_expose_js_accessors'] and attribute['should_be_exposed_to_script'] for attribute in attributes),
'has_attribute_configuration': any(
not (attribute['is_expose_js_accessors'] or
attribute['is_static'] or
attribute['runtime_enabled_function'] or
attribute['per_context_enabled_function'])
and attribute['should_be_exposed_to_script']
for attribute in attributes),
'has_conditional_attributes': any(attribute['per_context_enabled_function'] or attribute['exposed_test'] for attribute in attributes),
'has_constructor_attributes': any(attribute['constructor_type'] for attribute in attributes),
'has_replaceable_attributes': any(attribute['is_replaceable'] for attribute in attributes),
})
# Methods
methods = [ext_methods.method_context(interface, method)
for method in interface.operations
if method.name] # Skip anonymous special operations (methods)
compute_method_overloads_context(methods)
# Stringifier
if interface.stringifier:
stringifier = interface.stringifier
method = IdlOperation(interface.idl_name)
method.name = 'toString'
method.idl_type = IdlType('DOMString')
method.extended_attributes.update(stringifier.extended_attributes)
if stringifier.attribute:
method.extended_attributes['ImplementedAs'] = stringifier.attribute.name
elif stringifier.operation:
method.extended_attributes['ImplementedAs'] = stringifier.operation.name
methods.append(ext_methods.method_context(interface, method))
conditionally_enabled_methods = []
custom_registration_methods = []
method_configuration_methods = []
for method in methods:
# Skip all but one method in each set of overloaded methods.
if 'overload_index' in method and 'overloads' not in method:
continue
if 'overloads' in method:
overloads = method['overloads']
per_context_enabled_function = overloads['per_context_enabled_function_all']
conditionally_exposed_function = overloads['exposed_test_all']
runtime_enabled_function = overloads['runtime_enabled_function_all']
has_custom_registration = overloads['has_custom_registration_all']
else:
per_context_enabled_function = method['per_context_enabled_function']
conditionally_exposed_function = method['exposed_test']
runtime_enabled_function = method['runtime_enabled_function']
has_custom_registration = method['has_custom_registration']
if per_context_enabled_function or conditionally_exposed_function:
conditionally_enabled_methods.append(method)
continue
if runtime_enabled_function or has_custom_registration:
custom_registration_methods.append(method)
continue
if method['should_be_exposed_to_script']:
method_configuration_methods.append(method)
for method in methods:
# The value of the Function object’s “length” property is a Number
# determined as follows:
# 1. Let S be the effective overload set for regular operations (if the
# operation is a regular operation) or for static operations (if the
# operation is a static operation) with identifier id on interface I and
# with argument count 0.
# 2. Return the length of the shortest argument list of the entries in S.
# FIXME: This calculation doesn't take into account whether runtime
# enabled overloads are actually enabled, so length may be incorrect.
# E.g., [RuntimeEnabled=Foo] void f(); void f(long x);
# should have length 1 if Foo is not enabled, but length 0 if it is.
method['length'] = (method['overloads']['minarg'] if 'overloads' in method else
method['number_of_required_arguments'])
context.update({
'conditionally_enabled_methods': conditionally_enabled_methods,
'custom_registration_methods': custom_registration_methods,
'has_origin_safe_method_setter': any(
method['is_check_security_for_frame'] and not method['is_read_only']
for method in methods),
'has_private_script': any(attribute['is_implemented_in_private_script'] for attribute in attributes) or
any(method['is_implemented_in_private_script'] for method in methods),
'method_configuration_methods': method_configuration_methods,
'methods': methods,
})
context.update({
'indexed_property_getter': indexed_property_getter(interface),
'indexed_property_setter': indexed_property_setter(interface),
'indexed_property_deleter': indexed_property_deleter(interface),
'is_override_builtins': 'OverrideBuiltins' in extended_attributes,
'named_property_getter': named_property_getter(interface),
'named_property_setter': named_property_setter(interface),
'named_property_deleter': named_property_deleter(interface),
})
return context
