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Add support for PEP 701 (#7376)

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## Summary

This PR adds support for PEP 701 in Ruff. This is a rollup PR of all the
other individual PRs. The separate PRs were created for logic separation
and code reviews. Refer to each pull request for a detail description on
the change.

Refer to the PR description for the list of pull requests within this PR.

## Test Plan

### Formatter ecosystem checks

Explanation for the change in ecosystem check:
https://github.com/astral-sh/ruff/pull/7597#issue-1908878183

#### `main`

```
| project      | similarity index  | total files       | changed files     |
|--------------|------------------:|------------------:|------------------:|
| cpython      |           0.76083 |              1789 |              1631 |
| django       |           0.99983 |              2760 |                36 |
| transformers |           0.99963 |              2587 |               319 |
| twine        |           1.00000 |                33 |                 0 |
| typeshed     |           0.99983 |              3496 |                18 |
| warehouse    |           0.99967 |               648 |                15 |
| zulip        |           0.99972 |              1437 |                21 |
```

#### `dhruv/pep-701`

```
| project      | similarity index  | total files       | changed files     |
|--------------|------------------:|------------------:|------------------:|
| cpython      |           0.76051 |              1789 |              1632 |
| django       |           0.99983 |              2760 |                36 |
| transformers |           0.99963 |              2587 |               319 |
| twine        |           1.00000 |                33 |                 0 |
| typeshed     |           0.99983 |              3496 |                18 |
| warehouse    |           0.99967 |               648 |                15 |
| zulip        |           0.99972 |              1437 |                21 |
```
This commit is contained in:
Dhruv Manilawala 2023-09-29 08:25:39 +05:30 • committed by GitHub
parent 78b8741352
commit e62e245c61
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115 changed files with 44780 additions and 31370 deletions
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12
crates/ruff_python_parser/src/lexer/cursor.rs
View file

@ -96,6 +96,18 @@ impl<'a> Cursor<'a> {
}
}
pub(super) fn eat_char3(&mut self, c1: char, c2: char, c3: char) -> bool {
let mut chars = self.chars.clone();
if chars.next() == Some(c1) && chars.next() == Some(c2) && chars.next() == Some(c3) {
self.bump();
self.bump();
self.bump();
true
} else {
false
}
}
pub(super) fn eat_if<F>(&mut self, mut predicate: F) -> Option<char>
where
F: FnMut(char) -> bool,