Function match_paren

Tools/c-analyzer/c_parser/parser/_common.py:66–78

(text, depth=0)

def match_paren(text, depth=0):
    pos = 0
    while (m := _PAREN_RE.match(text, pos)):
        pos = m.end()
        _open, _close = m.groups()
        if _open:
            depth += 1
        else:  # _close
            depth -= 1
            if depth == 0:
                return pos
    else:
        raise ValueError(f'could not find matching parens for {text!r}')


VAR_DECL = set_capture_groups(_VAR_DECL, (