Method parse_generators

crates/ruff_python_parser/src/parser/expression.rs:2539–2553

Parses a list of comprehension generators. These are the `for` and `async for` clauses in a comprehension, optionally followed by `if` clauses. See:

(&mut self)

    ///
    /// See: <https://docs.python.org/3/reference/expressions.html#grammar-token-python-grammar-comp_for>
    fn parse_generators(&mut self) -> Vec<ast::Comprehension> {
        const GENERATOR_SET: TokenSet = TokenSet::new([TokenKind::For, TokenKind::Async]);

        let mut generators = Vec::with_capacity(1);
        let mut progress = ParserProgress::default();

        while self.at_ts(GENERATOR_SET) {
            progress.assert_progressing(self);
            generators.push(self.parse_comprehension());
        }

        generators.shrink_to_fit();

        generators
    }

    /// Parses a comprehension.
    ///