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