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## Summary Alternative to #11237 This PR adds a new `Tokens` struct which is a newtype wrapper around a vector of lexer output. This allows us to add a `kinds` method which returns an iterator over the corresponding `TokenKind`. This iterator is implemented as a separate `TokenKindIter` struct to allow using the type and provide additional methods like `peek` directly on the iterator. This exposes the linter to access the stream of `TokenKind` instead of `Tok`. Edit: I've made the necessary downstream changes and plan to merge the entire stack at once. |
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Ruff Python Parser
Ruff's Python parser is a hand-written recursive descent parser which can parse Python source code into an Abstract Syntax Tree (AST). It also utilizes the Pratt parsing technique to parse expressions with different precedence.
Try out the parser in the playground.
Python version support
The parser supports the latest Python syntax, which is currently Python 3.12.
It does not throw syntax errors if it encounters a syntax feature that is not
supported by the target-version.
This will be fixed in a future release (see https://github.com/astral-sh/ruff/issues/6591).
Contributing
Refer to the contributing guidelines to get started and GitHub issues with the parser label for issues that need help.