Method scan_string

aiscript-lexer/src/lib.rs:702–727

Scan a string literal, handling escape sequences

(&mut self)

    // Scan a string literal, handling escape sequences
    fn scan_string(&mut self) -> Token<'a> {
        let start_content = self.current; // Skip opening quote

        while let Some((end_pos, ch)) = self.iter.peek().copied() {
            match ch {
                '\\' => {
                    self.advance(); // consume backslash
                    self.advance(); // consume the following char
                }
                '"' => {
                    let content = &self.source[start_content..end_pos];
                    self.advance(); // consume closing quote
                    return Token::new(TokenType::String, content, self.line);
                }
                '\n' => {
                    self.line += 1;
                    self.advance();
                }
                _ => {
                    self.advance();
                }
            }
        }

        Token::new(TokenType::Invalid, "Unterminated string.", self.line)
    }
}

impl Lexer<'_> {