Function matchCastToBool

src/e9tool/e9action.cpp:2377–2393

* Cast to bool. */

 * Cast to bool.
 */
static MatchVal matchCastToBool(MatchVal val)
{
    switch (val.type)
    {
        case MATCH_TYPE_UNDEFINED:
            val.type = MATCH_TYPE_INTEGER;
            val.i    = false;
        case MATCH_TYPE_INTEGER:
            val.i    = (val.i != 0);
            return val;
        default:
            std::string str;
            dumpVal(val, str);
            error("type error; failed to cast value `%s' to type Boolean",
                str.c_str());
    }
}

/*
 * Evaluate a matching.