def attribute_context(interface, attribute):
# Call v8's implementation.
context = v8_attributes.attribute_context(interface, attribute)
extended_attributes = attribute.extended_attributes
# Augment's Dart's information to context.
idl_type = attribute.idl_type
base_idl_type = idl_type.base_type
# TODO(terry): Work around for DOMString[] base should be IDLTypeArray
if base_idl_type == None:
# Returns Array or Sequence.
base_idl_type = idl_type.inner_name
# [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'])))
is_call_with_script_state = DartUtilities.has_extended_attribute_value(attribute, 'CallWith', 'ScriptState')
is_auto_scope = not 'DartNoAutoScope' in extended_attributes
context.update({
'has_custom_getter': has_custom_getter,
'has_custom_setter': has_custom_setter,
'is_auto_scope': is_auto_scope, # Used internally (outside of templates).
'is_call_with_script_state': is_call_with_script_state,
'auto_scope': DartUtilities.bool_to_cpp(is_auto_scope),
'dart_type': dart_types.idl_type_to_dart_type(idl_type),
})
if v8_attributes.is_constructor_attribute(attribute):
v8_attributes.constructor_getter_context(interface, attribute, context)
return context
if not v8_attributes.has_custom_getter(attribute):
getter_context(interface, attribute, context)
if (not attribute.is_read_only):
# FIXME: We did not previously support the PutForwards attribute, so I am
# disabling it here for now to get things compiling.
# We may wish to revisit this.
# if (not has_custom_setter(attribute) and
# (not attribute.is_read_only or 'PutForwards' in extended_attributes)):
setter_context(interface, attribute, context)
native_entry_getter = \
DartUtilities.generate_native_entry(
interface.name, attribute.name, 'Getter', attribute.is_static, 0)
native_entry_setter = \
DartUtilities.generate_native_entry(
interface.name, attribute.name, 'Setter', attribute.is_static, 1)
context.update({
'native_entry_getter': native_entry_getter,
'native_entry_setter': native_entry_setter,
})
return context
def attribute_context(interface, attribute):
# Call v8's implementation.
context = v8_attributes.attribute_context(interface, attribute)
extended_attributes = attribute.extended_attributes
# Augment's Dart's information to context.
idl_type = attribute.idl_type
base_idl_type = idl_type.base_type
# TODO(terry): Work around for DOMString[] base should be IDLTypeArray
if base_idl_type == None:
# Returns Array or Sequence.
base_idl_type = idl_type.inner_name
# [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'])))
is_call_with_script_state = DartUtilities.has_extended_attribute_value(attribute, 'CallWith', 'ScriptState')
is_auto_scope = not 'DartNoAutoScope' in extended_attributes
context.update({
'has_custom_getter': has_custom_getter,
'has_custom_setter': has_custom_setter,
'is_auto_scope': is_auto_scope, # Used internally (outside of templates).
'is_call_with_script_state': is_call_with_script_state,
'auto_scope': DartUtilities.bool_to_cpp(is_auto_scope),
'dart_type': dart_types.idl_type_to_dart_type(idl_type),
})
if v8_attributes.is_constructor_attribute(attribute):
v8_attributes.constructor_getter_context(interface, attribute, context)
return context
if not v8_attributes.has_custom_getter(attribute):
getter_context(interface, attribute, context)
if (not attribute.is_read_only):
# FIXME: We did not previously support the PutForwards attribute, so I am
# disabling it here for now to get things compiling.
# We may wish to revisit this.
# if (not has_custom_setter(attribute) and
# (not attribute.is_read_only or 'PutForwards' in extended_attributes)):
setter_context(interface, attribute, context)
native_entry_getter = \
DartUtilities.generate_native_entry(
interface.name, attribute.name, 'Getter', attribute.is_static, 0)
native_entry_setter = \
DartUtilities.generate_native_entry(
interface.name, attribute.name, 'Setter', attribute.is_static, 1)
context.update({
'native_entry_getter': native_entry_getter,
'native_entry_setter': native_entry_setter,
})
return context
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(v8_types.includes_for_interface(parent_interface))
extended_attributes = interface.extended_attributes
# [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 = v8_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,
'v8_type': v8_types.v8_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
# [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_check_security': is_check_security,
'is_dependent_lifetime': is_dependent_lifetime,
'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': v8_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,
'v8_class': v8_utilities.v8_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]
special_getter_constants = []
runtime_enabled_constants = []
constant_configuration_constants = []
for constant in constants:
if constant['measure_as'] or constant['deprecate_as']:
special_getter_constants.append(constant)
continue
if constant['runtime_enabled_function']:
runtime_enabled_constants.append(constant)
continue
constant_configuration_constants.append(constant)
# Constants
context.update({
'constant_configuration_constants': constant_configuration_constants,
'constants': constants,
'do_not_check_constants': 'DoNotCheckConstants' in extended_attributes,
'has_constant_configuration': any(
not constant['runtime_enabled_function']
for constant in constants),
'runtime_enabled_constants': runtime_enabled_constants,
'special_getter_constants': special_getter_constants,
})
# Attributes
attributes = [v8_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 = [v8_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(v8_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
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(v8_types.includes_for_interface(parent_interface))
extended_attributes = interface.extended_attributes
# [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 = v8_methods.method_context(interface,
iterator_operation)
# [SetWrapperReferenceFrom]
reachable_node_function = extended_attributes.get('SetWrapperReferenceFrom')
if reachable_node_function:
includes.update(['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,
} 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:
v8_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)
wrapper_class_id = ('NodeClassId' if inherits_interface(interface.name, 'Node') else 'ObjectClassId')
context = {
'cpp_class': cpp_name(interface),
'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_dependent_lifetime': is_dependent_lifetime,
'is_exception': interface.is_exception,
'is_script_wrappable': is_script_wrappable,
'iterator_method': iterator_method,
'lifetime': 'Dependent'
if (has_visit_dom_wrapper or
is_dependent_lifetime)
else 'Independent',
'parent_interface': parent_interface,
'reachable_node_function': reachable_node_function,
'set_wrapper_reference_to_list': set_wrapper_reference_to_list,
'special_wrap_for': special_wrap_for,
'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']
# [NamedConstructor]
named_constructor = named_constructor_context(interface)
if (constructors or custom_constructors or has_event_constructor or
named_constructor):
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,
'has_constant_configuration': True,
})
# Attributes
attributes = [v8_attributes.attribute_context(interface, attribute)
for attribute in interface.attributes]
context.update({
'attributes': attributes,
'has_conditional_attributes': any(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 = [v8_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(v8_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']
conditionally_exposed_function = overloads['exposed_test_all']
has_custom_registration = overloads['has_custom_registration_all']
else:
conditionally_exposed_function = method['exposed_test']
has_custom_registration = method['has_custom_registration']
if conditionally_exposed_function:
conditionally_enabled_methods.append(method)
continue
if has_custom_registration:
custom_registration_methods.append(method)
continue
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,
'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
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(
v8_types.includes_for_interface(parent_interface))
extended_attributes = interface.extended_attributes
# [ActiveDOMObject]
is_active_dom_object = 'ActiveDOMObject' in extended_attributes
# [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 = v8_methods.method_context(interface,
iterator_operation)
# [SetWrapperReferenceFrom]
reachable_node_function = extended_attributes.get(
'SetWrapperReferenceFrom')
if reachable_node_function:
includes.update(['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,
} 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:
v8_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)
wrapper_class_id = ('NodeClassId' if inherits_interface(
interface.name, 'Node') else 'ObjectClassId')
context = {
'cpp_class':
cpp_name(interface),
'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_dependent_lifetime':
is_dependent_lifetime,
'is_exception':
interface.is_exception,
'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',
'parent_interface':
parent_interface,
'reachable_node_function':
reachable_node_function,
'set_wrapper_reference_to_list':
set_wrapper_reference_to_list,
'special_wrap_for':
special_wrap_for,
'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'
]
# [NamedConstructor]
named_constructor = named_constructor_context(interface)
if (constructors or custom_constructors or has_event_constructor
or named_constructor):
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,
'has_constant_configuration': True,
})
# Attributes
attributes = [
v8_attributes.attribute_context(interface, attribute)
for attribute in interface.attributes
]
context.update({
'attributes':
attributes,
'has_conditional_attributes':
any(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 = [
v8_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(v8_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']
conditionally_exposed_function = overloads['exposed_test_all']
has_custom_registration = overloads['has_custom_registration_all']
else:
conditionally_exposed_function = method['exposed_test']
has_custom_registration = method['has_custom_registration']
if conditionally_exposed_function:
conditionally_enabled_methods.append(method)
continue
if has_custom_registration:
custom_registration_methods.append(method)
continue
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,
'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
def create_interface_context(self, interface, component, interfaces):
'''Creates a Jinja context which is based on an interface.'''
assert component in ['core', 'modules']
name = '%s%s' % (v8_utilities.cpp_name(interface),
'Partial' if interface.is_partial else '')
# Constructors
has_constructor_callback = False
if not interface.is_partial:
constructors = any(constructor.name == 'Constructor'
for constructor in interface.constructors)
custom_constructors = interface.custom_constructors
html_constructor = 'HTMLConstructor' in interface.extended_attributes
has_constructor_callback = constructors or custom_constructors or html_constructor
attributes = []
methods = []
has_cross_origin_indexed_getter = False
has_cross_origin_named_enum = False
has_cross_origin_named_getter = False
has_cross_origin_named_setter = False
has_origin_safe_method_setter = False
has_security_check = False
indexed_property_getter = None
is_global = False
named_property_getter = None
component_info = self._info_provider.component_info
if interface.name in SNAPSHOTTED_INTERFACES:
attributes = [
v8_attributes.attribute_context(interface, attribute,
interfaces, component_info)
for attribute in interface.attributes
]
methods = v8_interface.methods_context(interface,
component_info)['methods']
is_global = 'Global' in interface.extended_attributes
named_property_getter = v8_interface.property_getter(
interface.named_property_getter, ['name'])
indexed_property_getter = v8_interface.property_getter(
interface.indexed_property_getter, ['index'])
if not interface.is_partial:
has_origin_safe_method_setter = is_global and any(
method['is_check_security_for_receiver']
and not method['is_unforgeable'] for method in methods)
has_security_check = ('CheckSecurity'
in interface.extended_attributes
and interface.name != 'EventTarget')
has_cross_origin_named_getter = (
any(method['is_cross_origin'] for method in methods)
or any(attribute['has_cross_origin_getter']
for attribute in attributes))
has_cross_origin_named_setter = any(
attribute['has_cross_origin_setter']
for attribute in attributes)
has_cross_origin_indexed_getter = indexed_property_getter and indexed_property_getter[
'is_cross_origin']
has_cross_origin_named_enum = has_cross_origin_named_getter or has_cross_origin_named_setter
if named_property_getter and named_property_getter[
'is_cross_origin']:
has_cross_origin_named_getter = True
return {
'attributes':
attributes,
'component':
component,
'has_origin_safe_method_setter':
has_origin_safe_method_setter,
'has_constructor_callback':
has_constructor_callback,
'has_cross_origin_named_getter':
has_cross_origin_named_getter,
'has_cross_origin_named_setter':
has_cross_origin_named_setter,
'has_cross_origin_named_enumerator':
has_cross_origin_named_enum,
'has_cross_origin_indexed_getter':
has_cross_origin_indexed_getter,
'has_security_check':
has_security_check,
'indexed_property_getter':
indexed_property_getter,
'indexed_property_setter':
v8_interface.property_setter(interface.indexed_property_setter,
interface),
'indexed_property_deleter':
v8_interface.property_deleter(interface.indexed_property_deleter),
'internal_namespace':
v8_interface.internal_namespace(interface),
'is_partial':
interface.is_partial,
'methods':
methods,
'name':
name,
'named_constructor':
v8_interface.named_constructor_context(interface),
'named_property_getter':
named_property_getter,
'named_property_setter':
v8_interface.property_setter(interface.named_property_setter,
interface),
'named_property_deleter':
v8_interface.property_deleter(interface.named_property_deleter),
'v8_class':
v8_utilities.v8_class_name_or_partial(interface),
}
def create_interface_context(self, interface, interfaces):
'''Creates a Jinja context which is based on an interface.'''
name = '%s%s' % (v8_utilities.cpp_name(interface), 'Partial' if interface.is_partial else '')
# Constructors
constructors = any(constructor.name == 'Constructor' for constructor in interface.constructors)
custom_constructors = interface.custom_constructors
html_constructor = 'HTMLConstructor' in interface.extended_attributes
has_constructor_callback = constructors or custom_constructors or html_constructor
attributes = []
methods = []
has_cross_origin_indexed_getter = False
has_cross_origin_named_enum = False
has_cross_origin_named_getter = False
has_cross_origin_named_setter = False
has_origin_safe_method_setter = False
has_security_check = False
indexed_property_getter = None
is_global = False
named_property_getter = None
if interface.name in SNAPSHOTTED_INTERFACES:
attributes = [v8_attributes.attribute_context(interface, attribute, interfaces)
for attribute in interface.attributes]
methods = v8_interface.methods_context(interface)['methods']
is_global = ('PrimaryGlobal' in interface.extended_attributes or
'Global' in interface.extended_attributes)
named_property_getter = v8_interface.property_getter(
interface.named_property_getter, ['name'])
indexed_property_getter = v8_interface.property_getter(
interface.indexed_property_getter, ['index'])
if not interface.is_partial:
has_origin_safe_method_setter = is_global and any(
method['is_check_security_for_receiver'] and not method['is_unforgeable']
for method in methods)
has_security_check = ('CheckSecurity' in interface.extended_attributes and
interface.name != 'EventTarget')
has_cross_origin_named_getter = (any(method['is_cross_origin'] for method in methods) or
any(attribute['has_cross_origin_getter'] for attribute in attributes))
has_cross_origin_named_setter = any(attribute['has_cross_origin_setter'] for attribute in attributes)
has_cross_origin_indexed_getter = indexed_property_getter and indexed_property_getter['is_cross_origin']
has_cross_origin_named_enum = has_cross_origin_named_getter or has_cross_origin_named_setter
if named_property_getter and named_property_getter['is_cross_origin']:
has_cross_origin_named_getter = True
return {
'attributes': attributes,
'has_origin_safe_method_setter': has_origin_safe_method_setter,
'has_constructor_callback': has_constructor_callback,
'has_cross_origin_named_getter': has_cross_origin_named_getter,
'has_cross_origin_named_setter': has_cross_origin_named_setter,
'has_cross_origin_named_enumerator': has_cross_origin_named_enum,
'has_cross_origin_indexed_getter': has_cross_origin_indexed_getter,
'has_security_check': has_security_check,
'indexed_property_getter': indexed_property_getter,
'indexed_property_setter': v8_interface.property_setter(interface.indexed_property_setter, interface),
'indexed_property_deleter': v8_interface.property_deleter(interface.indexed_property_deleter),
'is_array_buffer_or_view': interface.idl_type.is_array_buffer_or_view,
'is_callback': interface.is_callback,
'is_partial': interface.is_partial,
'is_snapshotted': interface in SNAPSHOTTED_INTERFACES,
'methods': methods,
'name': name,
'named_constructor': v8_interface.named_constructor_context(interface),
'named_property_getter': named_property_getter,
'named_property_setter': v8_interface.property_setter(interface.named_property_setter, interface),
'named_property_deleter': v8_interface.property_deleter(interface.named_property_deleter),
'v8_name': v8_utilities.v8_class_name_or_partial(interface),
}