Method add_unsupported_syntax_error

crates/ruff_python_parser/src/parser/mod.rs:684–692

Add an [`UnsupportedSyntaxError`] with the given [`UnsupportedSyntaxErrorKind`] and [`TextRange`] if its minimum version is less than [`Parser::target_version`].

(&mut self, kind: UnsupportedSyntaxErrorKind, range: TextRange)

    /// Add an [`UnsupportedSyntaxError`] with the given [`UnsupportedSyntaxErrorKind`] and
    /// [`TextRange`] if its minimum version is less than [`Parser::target_version`].
    fn add_unsupported_syntax_error(&mut self, kind: UnsupportedSyntaxErrorKind, range: TextRange) {
        if kind.is_unsupported(self.options.target_version) {
            self.unsupported_syntax_errors.push(UnsupportedSyntaxError {
                kind,
                range,
                target_version: self.options.target_version,
            });
        }
    }

    /// Returns `true` if the current token is of the given kind.
    fn at(&self, kind: TokenKind) -> bool {