def _Enum(module, parsed_enum, parent_kind):
"""
Args:
module: {mojom.Module} Module currently being constructed.
parsed_enum: {ast.Enum} Parsed enum.
Returns:
{mojom.Enum} AST enum.
"""
enum = mojom.Enum(module=module)
enum.mojom_name = parsed_enum.mojom_name
enum.native_only = parsed_enum.enum_value_list is None
mojom_name = enum.mojom_name
if parent_kind:
mojom_name = parent_kind.mojom_name + '.' + mojom_name
enum.spec = 'x:%s.%s' % (module.mojom_namespace, mojom_name)
enum.parent_kind = parent_kind
enum.attributes = _AttributeListToDict(parsed_enum.attribute_list)
if not enum.native_only:
enum.fields = map(
lambda field: _EnumField(module, enum, field, parent_kind),
parsed_enum.enum_value_list)
enum.min_value, enum.max_value = _ResolveNumericEnumValues(enum.fields)
module.kinds[enum.spec] = enum
# Enforce that a [Native] attribute is set to make native-only enum
# declarations more explicit.
if enum.native_only:
if not enum.attributes or not enum.attributes.get('Native', False):
raise Exception("Native-only enum declarations must include a " +
"Native attribute.")
return enum
def _Enum(module, parsed_enum, parent_kind):
"""
Args:
module: {mojom.Module} Module currently being constructed.
parsed_enum: {ast.Enum} Parsed enum.
Returns:
{mojom.Enum} AST enum.
"""
enum = mojom.Enum(module=module)
enum.mojom_name = parsed_enum.mojom_name
enum.native_only = parsed_enum.enum_value_list is None
mojom_name = enum.mojom_name
if parent_kind:
mojom_name = parent_kind.mojom_name + '.' + mojom_name
enum.spec = 'x:%s.%s' % (module.mojom_namespace, mojom_name)
enum.parent_kind = parent_kind
enum.attributes = _AttributeListToDict(parsed_enum.attribute_list)
if not enum.native_only:
enum.fields = list(
map(lambda field: _EnumField(module, enum, field),
parsed_enum.enum_value_list))
_ResolveNumericEnumValues(enum)
# TODO(https://crbug.com/731893): Require a default value to be
# specified.
for field in enum.fields:
if field.default:
if not enum.extensible:
raise Exception(
'Non-extensible enums may not specify a default')
if enum.default_field is not None:
raise Exception(
'Only one enumerator value may be specified as the default'
)
enum.default_field = field
module.kinds[enum.spec] = enum
# Enforce that a [Native] attribute is set to make native-only enum
# declarations more explicit.
if enum.native_only:
if not enum.attributes or not enum.attributes.get('Native', False):
raise Exception("Native-only enum declarations must include a " +
"Native attribute.")
return enum
def testImportFromDataNoMissingImports(self):
"""Tests that unions, structs, interfaces and enums are imported."""
module = mojom.Module('test_module', 'test_namespace')
imported_module = mojom.Module('import_module', 'import_namespace')
#TODO(azani): Init values in module.py.
#TODO(azani): Test that values are imported.
imported_module.values = {}
imported_data = {'module' : imported_module}
struct = mojom.Struct('TestStruct', module=module)
imported_module.kinds[struct.spec] = struct
union = mojom.Union('TestUnion', module=module)
imported_module.kinds[union.spec] = union
interface = mojom.Interface('TestInterface', module=module)
imported_module.kinds[interface.spec] = interface
enum = mojom.Enum('TestEnum', module=module)
imported_module.kinds[enum.spec] = enum
data.ImportFromData(module, imported_data)
# Test that the kind was imported.
self.assertIn(struct.spec, module.kinds)
self.assertEquals(struct.name, module.kinds[struct.spec].name)
self.assertIn(union.spec, module.kinds)
self.assertEquals(union.name, module.kinds[union.spec].name)
self.assertIn(interface.spec, module.kinds)
self.assertEquals(interface.name, module.kinds[interface.spec].name)
self.assertIn(enum.spec, module.kinds)
self.assertEquals(enum.name, module.kinds[enum.spec].name)
# Test that the imported kind is a copy and not the original.
self.assertIsNot(struct, module.kinds[struct.spec])
self.assertIsNot(union, module.kinds[union.spec])
self.assertIsNot(interface, module.kinds[interface.spec])
self.assertIsNot(enum, module.kinds[enum.spec])
