Method parse_strings

crates/ruff_python_parser/src/parser/expression.rs:1372–1398

Parses all kinds of strings and implicitly concatenated strings. # Panics If the parser isn't positioned at a `String`, `FStringStart`, or `TStringStart` token. See: (Search "strings:")

(&mut self)

    ///
    /// See: <https://docs.python.org/3/reference/grammar.html> (Search "strings:")
    pub(super) fn parse_strings(&mut self) -> Expr {
        const STRING_START_SET: TokenSet = TokenSet::new([
            TokenKind::String,
            TokenKind::FStringStart,
            TokenKind::TStringStart,
        ]);

        let start = self.node_start();
        let first = self.parse_string();

        if !self.at_ts(STRING_START_SET) {
            return first.into();
        }

        let mut strings = Vec::with_capacity(2);
        strings.push(first);

        let mut progress = ParserProgress::default();

        while self.at_ts(STRING_START_SET) {
            progress.assert_progressing(self);
            strings.push(self.parse_string());
        }

        let range = self.node_range(start);
        self.handle_implicitly_concatenated_strings(strings, range)
    }

    /// Parses a single string, byte literal, f-string, or t-string.
    fn parse_string(&mut self) -> StringType {