Function das_throw

src/simulate/runtime_string.cpp:21–28

    DAS_THREAD_LOCAL(string) g_throwMsg;

    void das_throw(const char * msg) {
        if ( *g_throwBuf ) {
            *g_throwMsg = msg;
            longjmp(**g_throwBuf,1);
        } else {
            DAS_FATAL_ERROR("unhanded das_throw, %s\n", msg);
        }
    }

    void das_trycatch(callable<void()> tryBody, callable<void(const char * msg)> catchBody) {
        // re-entrant: save/restore the outer frame so das_trycatch can nest (e.g. a fmt