| # SPDX-License-Identifier: Apache-2.0 |
| # Copyright 2013-2021 The Meson development team |
| |
| from __future__ import annotations |
| |
| import typing as T |
| |
| from .baseobjects import InterpreterObject, MesonInterpreterObject, ObjectHolder, HoldableTypes |
| from .exceptions import InvalidArguments |
| from ..mesonlib import HoldableObject, MesonBugException |
| |
| if T.TYPE_CHECKING: |
| from .baseobjects import TYPE_var |
| |
| def _unholder(obj: InterpreterObject) -> TYPE_var: |
| if isinstance(obj, ObjectHolder): |
| assert isinstance(obj.held_object, HoldableTypes) |
| return obj.held_object |
| elif isinstance(obj, MesonInterpreterObject): |
| return obj |
| elif isinstance(obj, HoldableObject): |
| raise MesonBugException(f'Argument {obj} of type {type(obj).__name__} is not held by an ObjectHolder.') |
| elif isinstance(obj, InterpreterObject): |
| raise InvalidArguments(f'Argument {obj} of type {type(obj).__name__} cannot be passed to a method or function') |
| raise MesonBugException(f'Unknown object {obj} of type {type(obj).__name__} in the parameters.') |