Example #1
0
    def testImportFromDataNoExtraneousImports(self):
        """Tests that arrays, maps and interface requests are not imported."""
        module = mojom.Module('test_module', 'test_namespace')
        imported_module = mojom.Module('import_module', 'import_namespace')
        #TODO(azani): Init values in module.py.
        imported_module.values = {}
        imported_data = {'module': imported_module}

        array = mojom.Array(mojom.INT16, length=20)
        imported_module.kinds[array.spec] = array

        map_kind = mojom.Map(mojom.INT16, mojom.INT16)
        imported_module.kinds[map_kind.spec] = map_kind

        interface = mojom.Interface('TestInterface', module=module)
        imported_module.kinds[interface.spec] = interface

        interface_req = mojom.InterfaceRequest(interface)
        imported_module.kinds[interface_req.spec] = interface_req

        data.ImportFromData(module, imported_data)

        self.assertNotIn(array.spec, module.kinds)
        self.assertNotIn(map_kind.spec, module.kinds)
        self.assertNotIn(interface_req.spec, module.kinds)
Example #2
0
def _Kind(kinds, spec, scope):
    """Convert a type name into a mojom.Kind object.

  As a side-effect this function adds the result to 'kinds'.

  Args:
    kinds: {Dict[str, mojom.Kind]} All known kinds up to this point, indexed by
        their names.
    spec: {str} A name uniquely identifying a type.
    scope: {Tuple[str, str]} A tuple that looks like (namespace,
        struct/interface), referring to the location where the type is
        referenced.

  Returns:
    {mojom.Kind} The type corresponding to 'spec'.
  """
    kind = _LookupKind(kinds, spec, scope)
    if kind:
        return kind

    if spec.startswith('?'):
        kind = _Kind(kinds, spec[1:], scope).MakeNullableKind()
    elif spec.startswith('a:'):
        kind = mojom.Array(_Kind(kinds, spec[2:], scope))
    elif spec.startswith('asso:'):
        inner_kind = _Kind(kinds, spec[5:], scope)
        if isinstance(inner_kind, mojom.InterfaceRequest):
            kind = mojom.AssociatedInterfaceRequest(inner_kind)
        else:
            kind = mojom.AssociatedInterface(inner_kind)
    elif spec.startswith('a'):
        colon = spec.find(':')
        length = int(spec[1:colon])
        kind = mojom.Array(_Kind(kinds, spec[colon + 1:], scope), length)
    elif spec.startswith('r:'):
        kind = mojom.InterfaceRequest(_Kind(kinds, spec[2:], scope))
    elif spec.startswith('rmt:'):
        kind = mojom.PendingRemote(_Kind(kinds, spec[4:], scope))
    elif spec.startswith('rcv:'):
        kind = mojom.PendingReceiver(_Kind(kinds, spec[4:], scope))
    elif spec.startswith('m['):
        # Isolate the two types from their brackets.

        # It is not allowed to use map as key, so there shouldn't be nested ']'s
        # inside the key type spec.
        key_end = spec.find(']')
        assert key_end != -1 and key_end < len(spec) - 1
        assert spec[key_end + 1] == '[' and spec[-1] == ']'

        first_kind = spec[2:key_end]
        second_kind = spec[key_end + 2:-1]

        kind = mojom.Map(_Kind(kinds, first_kind, scope),
                         _Kind(kinds, second_kind, scope))
    else:
        kind = mojom.Kind(spec)

    kinds[spec] = kind
    return kind