Method parse_string

crates/ruff_python_parser/src/parser/expression.rs:1395–1429

Parses a single string, byte literal, f-string, or t-string.

(&mut self)

    /// Parses a single string, byte literal, f-string, or t-string.
    fn parse_string(&mut self) -> StringType {
        if self.at(TokenKind::String) {
            self.parse_string_or_byte_literal()
        } else if self.at(TokenKind::FStringStart) {
            StringType::FString(
                self.parse_interpolated_string(InterpolatedStringKind::FString)
                    .into(),
            )
        } else if self.at(TokenKind::TStringStart) {
            // test_ok template_strings_py314
            // # parse_options: {"target-version": "3.14"}
            // t"{hey}"
            // t'{there}'
            // t"""what's
            // happening?"""

            // test_err template_strings_py313
            // # parse_options: {"target-version": "3.13"}
            // t"{hey}"
            // t'{there}'
            // t"""what's
            // happening?"""
            let string_type = StringType::TString(
                self.parse_interpolated_string(InterpolatedStringKind::TString)
                    .into(),
            );
            self.add_unsupported_syntax_error(
                UnsupportedSyntaxErrorKind::TemplateStrings,
                string_type.range(),
            );
            string_type
        } else {
            unreachable!("Expected to parse a string")
        }
    }

    /// Handles implicitly concatenated strings.
    ///