mirror of
https://github.com/Instagram/LibCST.git
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d9a1dc8473
* bump pyre version * make sure CI-pyre uses working copy * remove unused pyre suppressions * suppress invalid decorations * fix undefined attributes * fix missing return annotations * fix tuple concatenation issues * add native stubs * fix invalid typing of **kwargs in test_apply_type_annotations * only install pyre on non-windows * update test fixture to reflect changes in recent pyre versions * suppress errors related to mismatched positions
58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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#
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# This source code is licensed under the MIT license found in the
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# LICENSE file in the root directory of this source tree.
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"""
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Data structures used for storing position information.
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These are publicly exported by metadata, but their implementation lives outside of
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metadata, because they're used internally by the codegen logic, which computes position
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locations.
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"""
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from dataclasses import dataclass
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from typing import cast, overload, Tuple, Union
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from libcst._add_slots import add_slots
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_CodePositionT = Union[Tuple[int, int], "CodePosition"]
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@add_slots
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@dataclass(frozen=True)
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class CodePosition:
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#: Line numbers are 1-indexed.
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line: int
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#: Column numbers are 0-indexed.
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column: int
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@add_slots
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@dataclass(frozen=True)
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# pyre-fixme[13]: Attribute `end` is never initialized.
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# pyre-fixme[13]: Attribute `start` is never initialized.
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class CodeRange:
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#: Starting position of a node (inclusive).
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start: CodePosition
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#: Ending position of a node (exclusive).
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end: CodePosition
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@overload
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def __init__(self, start: CodePosition, end: CodePosition) -> None:
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...
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@overload
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def __init__(self, start: Tuple[int, int], end: Tuple[int, int]) -> None:
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...
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def __init__(self, start: _CodePositionT, end: _CodePositionT) -> None:
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if isinstance(start, tuple) and isinstance(end, tuple):
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object.__setattr__(self, "start", CodePosition(start[0], start[1]))
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object.__setattr__(self, "end", CodePosition(end[0], end[1]))
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else:
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start = cast(CodePosition, start)
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end = cast(CodePosition, end)
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object.__setattr__(self, "start", start)
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object.__setattr__(self, "end", end)
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