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Separate BitXorOr into BitXor and BitOr precedence (#16844)

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## Summary

This change follows up on the bug-fix requested in #16747 --
`ruff_python_ast::OperatorPrecedence` had an enum variant, `BitXorOr`,
which which gave the same precedence to the `|` and `^` operators. This
goes against [Python's documentation for operator
precedence](https://docs.python.org/3/reference/expressions.html#operator-precedence),
so this PR changes the code so that it's correct.

This is part of the overall effort to unify redundant definitions of
`OperatorPrecedence` throughout the codebase (#16071)

## Test Plan

Because this is an internal change, I only ran existing tests to ensure
nothing was broken.
This commit is contained in:
Junhson Jean-Baptiste 2025-03-20 06:43:47 -04:00 • committed by GitHub
parent 74f64d3f96
commit 47c4ccff5d
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2 changed files with 10 additions and 7 deletions
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9
crates/ruff_python_ast/src/operator_precedence.rs
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@ -28,8 +28,10 @@ pub enum OperatorPrecedence {
/// Precedence of comparisons (`<`, `<=`, `>`, `>=`, `!=`, `==`),
/// memberships (`in`, `not in`) and identity tests (`is`, `is not`).
ComparisonsMembershipIdentity,
/// Precedence of bitwise `|` and `^` operators.
BitXorOr,
/// Precedence of bitwise `|` operator.
BitOr,
/// Precedence of bitwise `^` operator.
BitXor,
/// Precedence of bitwise `&` operator.
BitAnd,
/// Precedence of left and right shift expressions (`<<`, `>>`).
@ -159,7 +161,8 @@ impl From<Operator> for OperatorPrecedence {
Operator::LShift | Operator::RShift => Self::LeftRightShift,
// Bitwise operations: &, ^, |
Operator::BitAnd => Self::BitAnd,
Operator::BitXor | Operator::BitOr => Self::BitXorOr,
Operator::BitXor => Self::BitXor,
Operator::BitOr => Self::BitOr,
// Exponentiation **
Operator::Pow => Self::Exponent,
}