from v8_utilities import capitalize, cpp_name, has_extended_attribute, has_extended_attribute_value, scoped_name, strip_suffix, uncapitalize
-def generate_attribute(interface, attribute):
+def attribute_context(interface, attribute):
idl_type = attribute.idl_type
base_idl_type = idl_type.base_type
extended_attributes = attribute.extended_attributes
# [CheckSecurity]
is_check_security_for_node = 'CheckSecurity' in extended_attributes
if is_check_security_for_node:
- includes.add('bindings/v8/BindingSecurity.h')
- # [Custom]
- has_custom_getter = ('Custom' in extended_attributes and
- extended_attributes['Custom'] in [None, 'Getter'])
- has_custom_setter = (not attribute.is_read_only and
- 'Custom' in extended_attributes and
- extended_attributes['Custom'] in [None, 'Setter'])
+ includes.add('bindings/core/v8/BindingSecurity.h')
# [CustomElementCallbacks], [Reflect]
is_custom_element_callbacks = 'CustomElementCallbacks' in extended_attributes
is_reflect = 'Reflect' in extended_attributes
# [PerWorldBindings]
if 'PerWorldBindings' in extended_attributes:
assert idl_type.is_wrapper_type or 'LogActivity' in extended_attributes, '[PerWorldBindings] should only be used with wrapper types: %s.%s' % (interface.name, attribute.name)
- # [RaisesException], [RaisesException=Setter]
- is_setter_raises_exception = (
- 'RaisesException' in extended_attributes and
- extended_attributes['RaisesException'] in [None, 'Setter'])
# [TypeChecking]
- has_type_checking_interface = (
- (has_extended_attribute_value(interface, 'TypeChecking', 'Interface') or
- has_extended_attribute_value(attribute, 'TypeChecking', 'Interface')) and
- idl_type.is_wrapper_type)
- has_type_checking_nullable = (
- (has_extended_attribute_value(interface, 'TypeChecking', 'Nullable') or
- has_extended_attribute_value(attribute, 'TypeChecking', 'Nullable')) and
- idl_type.is_wrapper_type)
has_type_checking_unrestricted = (
(has_extended_attribute_value(interface, 'TypeChecking', 'Unrestricted') or
has_extended_attribute_value(attribute, 'TypeChecking', 'Unrestricted')) and
idl_type.name in ('Float', 'Double'))
+ # [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/v8/V8ErrorHandler.h')
+ includes.add('bindings/core/v8/V8ErrorHandler.h')
- contents = {
+ context = {
'access_control_list': access_control_list(attribute),
'activity_logging_world_list_for_getter': v8_utilities.activity_logging_world_list(attribute, 'Getter'), # [ActivityLogging]
'activity_logging_world_list_for_setter': v8_utilities.activity_logging_world_list(attribute, 'Setter'), # [ActivityLogging]
'activity_logging_include_old_value_for_setter': 'LogPreviousValue' in extended_attributes, # [ActivityLogging]
'activity_logging_world_check': v8_utilities.activity_logging_world_check(attribute), # [ActivityLogging]
+ 'argument_cpp_type': idl_type.cpp_type_args(used_as_rvalue_type=True),
'cached_attribute_validation_method': extended_attributes.get('CachedAttribute'),
'conditional_string': v8_utilities.conditional_string(attribute),
'constructor_type': idl_type.constructor_type_name
if is_constructor_attribute(attribute) else None,
'cpp_name': cpp_name(attribute),
'cpp_type': idl_type.cpp_type,
- 'cpp_value_to_v8_value': idl_type.cpp_value_to_v8_value(cpp_value='original', creation_context='info.Holder()'),
+ 'cpp_type_initializer': idl_type.cpp_type_initializer,
'deprecate_as': v8_utilities.deprecate_as(attribute), # [DeprecateAs]
'enum_validation_expression': idl_type.enum_validation_expression,
- 'has_custom_getter': has_custom_getter,
- 'has_custom_setter': has_custom_setter,
- 'has_setter_exception_state':
- is_setter_raises_exception or has_type_checking_interface or
- has_type_checking_nullable or has_type_checking_unrestricted or
- idl_type.is_integer_type or
- idl_type.name in ('ByteString', 'ScalarValueString'),
- 'has_type_checking_interface': has_type_checking_interface,
- 'has_type_checking_nullable': has_type_checking_nullable,
+ 'exposed_test': v8_utilities.exposed(attribute, interface), # [Exposed]
+ 'has_custom_getter': has_custom_getter(attribute),
+ 'has_custom_setter': has_custom_setter(attribute),
'has_type_checking_unrestricted': has_type_checking_unrestricted,
'idl_type': str(idl_type), # need trailing [] on array for Dictionary::ConversionContext::setConversionType
'is_call_with_execution_context': v8_utilities.has_extended_attribute_value(attribute, 'CallWith', 'ExecutionContext'),
'is_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': attribute.idl_type.is_nullable,
+ '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_setter_call_with_execution_context': v8_utilities.has_extended_attribute_value(attribute, 'SetterCallWith', 'ExecutionContext'),
- 'is_setter_raises_exception': is_setter_raises_exception,
'is_static': attribute.is_static,
'is_url': 'URL' in extended_attributes,
'is_unforgeable': 'Unforgeable' in extended_attributes,
'measure_as': v8_utilities.measure_as(attribute), # [MeasureAs]
'name': attribute.name,
+ 'only_exposed_to_private_script': is_only_exposed_to_private_script,
'per_context_enabled_function': v8_utilities.per_context_enabled_function_name(attribute), # [PerContextEnabled]
+ 'private_script_v8_value_to_local_cpp_value': idl_type.v8_value_to_local_cpp_value(
+ extended_attributes, 'v8Value', 'cppValue', isolate='scriptState->isolate()', used_in_private_script=True),
'property_attributes': property_attributes(attribute),
'put_forwards': 'PutForwards' in extended_attributes,
'reflect_empty': extended_attributes.get('ReflectEmpty'),
'reflect_missing': extended_attributes.get('ReflectMissing'),
'reflect_only': extended_attributes['ReflectOnly'].split('|')
if 'ReflectOnly' in extended_attributes else None,
- 'setter_callback': setter_callback_name(interface, attribute),
- 'v8_type': v8_types.v8_type(base_idl_type),
'runtime_enabled_function': v8_utilities.runtime_enabled_function_name(attribute), # [RuntimeEnabled]
+ '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):
- generate_constructor_getter(interface, attribute, contents)
- return contents
- if not has_custom_getter:
- generate_getter(interface, attribute, contents)
- if (not has_custom_setter and
+ 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)):
- generate_setter(interface, attribute, contents)
+ setter_context(interface, attribute, context)
- return contents
+ return context
################################################################################
# Getter
################################################################################
-def generate_getter(interface, attribute, contents):
+def getter_context(interface, attribute, context):
idl_type = attribute.idl_type
base_idl_type = idl_type.base_type
extended_attributes = attribute.extended_attributes
- cpp_value = getter_expression(interface, attribute, contents)
+ cpp_value = getter_expression(interface, attribute, context)
# Normally we can inline the function call into the return statement to
# avoid the overhead of using a Ref<> temporary, but for some cases
# (nullable types, EventHandler, [CachedAttribute], or if there are
# FIXME: check if compilers are smart enough to inline this, and if so,
# always use a local variable (for readability and CG simplicity).
release = False
- if (idl_type.is_nullable or
+ if 'ImplementedInPrivateScript' in extended_attributes:
+ if (not idl_type.is_wrapper_type and
+ not idl_type.is_basic_type):
+ raise Exception('Private scripts supports only primitive types and DOM wrappers.')
+
+ context['cpp_value_original'] = cpp_value
+ cpp_value = 'result'
+ # EventHandler has special handling
+ if base_idl_type != 'EventHandler':
+ release = idl_type.release
+ elif (idl_type.is_explicit_nullable or
base_idl_type == 'EventHandler' or
'CachedAttribute' in extended_attributes or
+ 'LogPreviousValue' in extended_attributes or
'ReflectOnly' in extended_attributes or
- contents['is_getter_raises_exception']):
- contents['cpp_value_original'] = cpp_value
- cpp_value = 'v8Value'
+ context['is_keep_alive_for_gc'] or
+ context['is_getter_raises_exception']):
+ context['cpp_value_original'] = cpp_value
+ cpp_value = 'cppValue'
# EventHandler has special handling
- if base_idl_type != 'EventHandler' and idl_type.is_interface_type:
- release = True
+ if base_idl_type != 'EventHandler':
+ release = idl_type.release
def v8_set_return_value_statement(for_main_world=False):
- if contents['is_keep_alive_for_gc']:
+ if context['is_keep_alive_for_gc']:
return 'v8SetReturnValue(info, wrapper)'
return idl_type.v8_set_return_value(cpp_value, extended_attributes=extended_attributes, script_wrappable='impl', release=release, for_main_world=for_main_world)
- contents.update({
+ context.update({
'cpp_value': cpp_value,
- 'cpp_value_to_v8_value': idl_type.cpp_value_to_v8_value(cpp_value=cpp_value, creation_context='info.Holder()'),
+ 'cpp_value_to_v8_value': idl_type.cpp_value_to_v8_value(
+ cpp_value=cpp_value, creation_context='info.Holder()',
+ extended_attributes=extended_attributes),
'v8_set_return_value_for_main_world': v8_set_return_value_statement(for_main_world=True),
'v8_set_return_value': v8_set_return_value_statement(),
})
-def getter_expression(interface, attribute, contents):
+def getter_expression(interface, attribute, context):
arguments = []
this_getter_base_name = getter_base_name(interface, attribute, arguments)
getter_name = scoped_name(interface, attribute, this_getter_base_name)
+ if 'ImplementedInPrivateScript' in attribute.extended_attributes:
+ arguments.append('toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext())')
+ arguments.append('impl')
+ arguments.append('&result')
arguments.extend(v8_utilities.call_with_arguments(
attribute.extended_attributes.get('CallWith')))
# 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 attribute.extended_attributes and
+ not 'ImplementedInPrivateScript' in attribute.extended_attributes and
not attribute.is_static):
arguments.append('*impl')
- if attribute.idl_type.is_nullable and not contents['has_type_checking_nullable']:
+ if attribute.idl_type.is_explicit_nullable:
arguments.append('isNull')
- if contents['is_getter_raises_exception']:
+ if context['is_getter_raises_exception']:
arguments.append('exceptionState')
return '%s(%s)' % (getter_name, ', '.join(arguments))
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))
# Setter
################################################################################
-def generate_setter(interface, attribute, contents):
- def target_attribute():
+def setter_context(interface, attribute, context):
+ if 'PutForwards' in attribute.extended_attributes:
+ # Use target interface and attribute in place of original interface and
+ # attribute from this point onwards.
target_interface_name = attribute.idl_type.base_type
- target_attribute_name = extended_attributes['PutForwards']
- target_interface = interfaces[target_interface_name]
+ target_attribute_name = attribute.extended_attributes['PutForwards']
+ interface = interfaces[target_interface_name]
try:
- return next(attribute
- for attribute in target_interface.attributes
- if attribute.name == target_attribute_name)
+ attribute = next(candidate
+ for candidate in interface.attributes
+ if candidate.name == target_attribute_name)
except StopIteration:
raise Exception('[PutForward] target not found:\n'
'Attribute "%s" is not present in interface "%s"' %
(target_attribute_name, target_interface_name))
extended_attributes = attribute.extended_attributes
+ idl_type = attribute.idl_type
- if 'PutForwards' in extended_attributes:
- # Use target attribute in place of original attribute
- attribute = target_attribute()
+ # [RaisesException], [RaisesException=Setter]
+ is_setter_raises_exception = (
+ 'RaisesException' in extended_attributes and
+ extended_attributes['RaisesException'] in [None, 'Setter'])
+ # [TypeChecking=Interface]
+ has_type_checking_interface = (
+ (has_extended_attribute_value(interface, 'TypeChecking', 'Interface') or
+ has_extended_attribute_value(attribute, 'TypeChecking', 'Interface')) and
+ idl_type.is_wrapper_type)
- contents.update({
- 'cpp_setter': setter_expression(interface, attribute, contents),
- 'v8_value_to_local_cpp_value': attribute.idl_type.v8_value_to_local_cpp_value(extended_attributes, 'v8Value', 'cppValue'),
+ context.update({
+ 'has_setter_exception_state':
+ is_setter_raises_exception or has_type_checking_interface or
+ context['has_type_checking_unrestricted'] or
+ idl_type.may_raise_exception_on_conversion,
+ 'has_type_checking_interface': has_type_checking_interface,
+ 'is_setter_call_with_execution_context': v8_utilities.has_extended_attribute_value(
+ attribute, 'SetterCallWith', 'ExecutionContext'),
+ 'is_setter_raises_exception': is_setter_raises_exception,
+ 'private_script_cpp_value_to_v8_value': idl_type.cpp_value_to_v8_value(
+ 'cppValue', isolate='scriptState->isolate()',
+ creation_context='scriptState->context()->Global()'),
+ 'v8_value_to_local_cpp_value': idl_type.v8_value_to_local_cpp_value(
+ extended_attributes, 'v8Value', 'cppValue'),
})
+ # setter_expression() depends on context values we set above.
+ context['cpp_setter'] = setter_expression(interface, attribute, context)
+
-def setter_expression(interface, attribute, contents):
+def setter_expression(interface, attribute, context):
extended_attributes = attribute.extended_attributes
arguments = v8_utilities.call_with_arguments(
extended_attributes.get('SetterCallWith') or
# 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 idl_type.base_type == 'EventHandler':
+ 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))
- contents['event_handler_getter_expression'] = '%s(%s)' % (
+ context['event_handler_getter_expression'] = '%s(%s)' % (
getter_name, ', '.join(arguments))
if (interface.name in ['Window', 'WorkerGlobalScope'] and
attribute.name == 'onerror'):
- includes.add('bindings/v8/V8ErrorHandler.h')
+ 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 and not idl_type.array_type:
+ 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 contents['is_setter_raises_exception']:
+ if context['is_setter_raises_exception']:
arguments.append('exceptionState')
return '%s(%s)' % (setter_name, ', '.join(arguments))
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))
def scoped_content_attribute_name(interface, attribute):
content_attribute_name = attribute.extended_attributes['Reflect'] or attribute.name.lower()
- namespace = 'SVGNames' if interface.name.startswith('SVG') else 'HTMLNames'
- includes.add('%s.h' % namespace)
+ if interface.name.startswith('SVG'):
+ # SVG's xmlbase/xmlspace/xmllang need special behavior, i.e.
+ # it is in XMLNames namespace and the generated attribute has no xml prefix.
+ if attribute.name.startswith('xml'):
+ namespace = 'XMLNames'
+ content_attribute_name = content_attribute_name[3:]
+ else:
+ namespace = 'SVGNames'
+ else:
+ namespace = 'HTMLNames'
+ includes.add('core/%s.h' % namespace)
return '%s::%sAttr' % (namespace, content_attribute_name)
if (('Replaceable' in extended_attributes and
'PutForwards' not in extended_attributes) or
is_constructor_attribute(attribute)):
- # FIXME: rename to ForceSetAttributeOnThisCallback, since also used for Constructors
- return '{0}V8Internal::{0}ReplaceableAttributeSetterCallback'.format(cpp_class_name)
+ 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)
return property_attributes_list or ['v8::None']
+# [Custom], [Custom=Getter]
+def has_custom_getter(attribute):
+ extended_attributes = attribute.extended_attributes
+ return ('Custom' in extended_attributes and
+ extended_attributes['Custom'] in [None, 'Getter'])
+
+
+# [Custom], [Custom=Setter]
+def has_custom_setter(attribute):
+ extended_attributes = attribute.extended_attributes
+ return (not attribute.is_read_only and
+ 'Custom' in extended_attributes and
+ extended_attributes['Custom'] in [None, 'Setter'])
+
+
################################################################################
# Constructors
################################################################################
def is_constructor_attribute(attribute):
# FIXME: replace this with [ConstructorAttribute] extended attribute
- return attribute.idl_type.base_type.endswith('Constructor')
+ return attribute.idl_type.name.endswith('Constructor')
-def generate_constructor_getter(interface, attribute, contents):
- contents['needs_constructor_getter_callback'] = contents['measure_as'] or contents['deprecate_as']
+def constructor_getter_context(interface, attribute, context):
+ context['needs_constructor_getter_callback'] = context['measure_as'] or context['deprecate_as']