C++ (Cpp) gjs_log_exception_propsの例

コード例 #1

ファイル: context.c プロジェクト: RavetcoFX/cjs

static JSBool
gjs_log_error(JSContext *context,
              uintN      argc,
              jsval     *vp)
{
    jsval *argv = JS_ARGV(context, vp);
    char *s;
    JSExceptionState *exc_state;
    JSString *jstr;
    jsval exc;

    if (argc != 2) {
        gjs_throw(context, "Must pass an exception and message string to logError()");
        return JS_FALSE;
    }

    JS_BeginRequest(context);

    exc = argv[0];

    /* JS_ValueToString might throw, in which we will only
     *log that the value could be converted to string */
    exc_state = JS_SaveExceptionState(context);
    jstr = JS_ValueToString(context, argv[1]);
    if (jstr != NULL)
        argv[1] = STRING_TO_JSVAL(jstr);    // GC root
    JS_RestoreExceptionState(context, exc_state);

    if (jstr == NULL) {
        gjs_debug(GJS_DEBUG_ERROR, "<cannot convert value to string>");
        gjs_log_exception_props(context, exc);
        JS_EndRequest(context);
        return JS_TRUE;
    }

    if (!gjs_string_to_utf8(context, STRING_TO_JSVAL(jstr), &s)) {
        JS_EndRequest(context);
        return JS_FALSE;
    }

    gjs_debug(GJS_DEBUG_ERROR, "%s", s);
    gjs_log_exception_props(context, exc);
    g_free(s);

    JS_EndRequest(context);
    JS_SET_RVAL(context, vp, JSVAL_VOID);
    return JS_TRUE;
}

コード例 #2

ファイル: jsapi-util.c プロジェクト: sjokkis/gjs

static JSBool
log_and_maybe_keep_exception(JSContext  *context,
                             char      **message_p,
                             gboolean    keep)
{
    jsval exc = JSVAL_VOID;
    JSString *s;
    char *message;
    JSBool retval = JS_FALSE;

    JS_BeginRequest(context);

    if (message_p)
        *message_p = NULL;

    JS_AddRoot(context, &exc);
    if (!JS_GetPendingException(context, &exc))
        goto out;

    JS_ClearPendingException(context);

    s = JS_ValueToString(context, exc);

    if (s == NULL) {
        gjs_debug(GJS_DEBUG_ERROR,
                  "Failed to convert exception to string");
        goto out; /* Exception should be thrown already */
    }

    if (!gjs_string_to_utf8(context, STRING_TO_JSVAL(s), &message)) {
        gjs_debug(GJS_DEBUG_ERROR,
                  "Failed to convert exception string to UTF-8");
        goto out; /* Error already set */
    }

    gjs_debug(GJS_DEBUG_ERROR,
              "Exception was: %s",
              message);

    if (message_p) {
        *message_p = message;
    } else {
        g_free(message);
    }

    gjs_log_exception_props(context, exc);

    /* We clear above and then set it back so any exceptions
     * from the logging process don't overwrite the original
     */
    if (keep)
        JS_SetPendingException(context, exc);

    retval = JS_TRUE;

 out:
    JS_RemoveRoot(context, &exc);

    JS_EndRequest(context);

    return retval;
}