Function join_multiline_signature

ci/lint_cpp_rs/src/lib.rs:3407–3444

(lines: &[String], start: usize)

}

fn join_multiline_signature(lines: &[String], start: usize) -> Option<String> {
    let line = strip_line_comment_code(&lines[start]);
    if !line.contains('(') {
        return None;
    }
    let mut depth = 0_i32;
    for ch in line.chars() {
        if ch == '(' {
            depth += 1;
        } else if ch == ')' {
            depth -= 1;
        }
    }
    if depth <= 0 {
        return None;
    }
    let mut joined = line;
    for offset in 1..10 {
        let idx = start + offset;
        if idx >= lines.len() {
            break;
        }
        let next = strip_line_comment_code(&lines[idx]).trim().to_string();
        joined.push(' ');
        joined.push_str(&next);
        for ch in next.chars() {
            if ch == '(' {
                depth += 1;
            } else if ch == ')' {
                depth -= 1;
            }
        }
        if depth <= 0 {
            return Some(joined);
        }
    }
    None
}

fn signature_has_noexcept(lines: &[String], start: usize, open_paren: usize) -> bool {
    let Some((close_line, close_col)) = find_close_paren_multiline(lines, start, open_paren) else {