Method _parse

src/liboslexec/lpeparse.cpp:427–442

LPexp *
Parser::_parse()
{
    LPexp *e;
    if (head() == '(')
        e = parseCat();
    else if (head() == '[')
        e = parseOrlist();
    else if (head() == '<')
        e = parseGroup();
    else
        e = parseSymbol();
    if (error())
        return NULL;
    return parseModifier(e);
}