的AppleEvent：如何调试`eventDidFail`？

问题描述

我收到来自这个错误在控制台：

  11年5月9日17：00：09165 SIMBL代理：eventDidFail：tvea'错误：错误域= NSOSStatusErrorDomain code = -1708的操作无法完成。 （OSStatus误差-1708）（以下的AppleEvent不是由任何处理程序处理）的UserInfo = 0x400e485c0 {ErrorNumber = -1708} USERINFO：{
    ErrorNumber =-1708;
}
 

我想这调试;但我还没有真正使用的AppleEvent的工作还很多，我真的不知道如何跨preT这一点。

我觉得在SIMBL代理相关的code是这样的：

  AEEventID EVENTID ='负荷';//查找过程目标
将为pid_t PID = [[APPINFO objectForKey：@NSApplicationProcessIdentifier]的intValue];
SBApplication *应用= [SBApplication applicationWithProcessIdentifier：PID];
[应用setDelegate：个体经营];
如果（！APP）{
    SIMBLLogNotice（@无法找到具有PID％d个应用程式，PID）;
    返回;
}//力的AppleScript在应用程序初始化，通过获取字典
//初始化时，您需要等待事件的答复，否则，
//事件可能会被丢弃在地板上。这似乎只在10.5发生
//但应该不会伤害任何东西。
[应用setSendMode：kAEWaitReply | kAENeverInteract | kAEDontRecord];
ID initReply = [应用程序的SendEvent：kASAppleScriptSuite ID：kGetAEUT参数：0];//这里的回复是一些未知类型的 - 它不是一个Objective-C的对象
//尽可能接近我可以告诉，因为试图使用％@或获取其其打印
//类都导致应用程序段错误。该指针值似乎总是
//为0x10000的这是一个有点腥。它似乎并没有成为一个AEDesc结构
//无论是。
//因为我们正在等待答复，好像这个对象可能需要
//发布 - 但我不知道它是什么或如何将其释放。
//的NSLog（@initReply：％P'％64.64s'，initReply，（字符*）initReply）;//注入！
[应用setSendMode：kAENoReply | kAENeverInteract | kAEDontRecord];
ID injectReply = [应用程序的SendEvent：森达ID：事件ID参数：0];
如果（injectReply！=无）{
    SIMBLLogNotice（@意外injectReply：％@，injectReply）;
}
 

解决方案

的 eventDidFail 消息还来自SIMBL代理本身。正是这种code：

   - （无效）eventDidFail：（常量的AppleEvent *）事件withError：（NSError *）错误
{
    * NSDictionary的用户信息= [错误USERINFO]
    *的NSNumber = errorNumber [USERINFO objectForKey：@ErrorNumber];    //这个错误似乎豹更常见
    如果（errorNumber＆安培;＆安培; errorNumber的intValue] == errAEEventNotHandled）{
        SIMBLLogDebug（@eventDidFail：'％4.4s'错误：％@用户信息：％@，（字符*）及（事件 - ＆GT;的descriptorType），错误[错误USERINFO]）;
    }
    其他{
        SIMBLLogNotice（@eventDidFail：'％4.4s'错误：％@用户信息：％@，（字符*）及（事件 - ＆GT;的descriptorType），错误[错误USERINFO]）;
    }
}
 

和错误消失，如果我注释掉code：

  [应用setSendMode：kAEWaitReply | kAENeverInteract | kAEDontRecord];
ID initReply = [应用程序的SendEvent：kASAppleScriptSuite ID：kGetAEUT参数：0];
 

I am getting this error from SIMBL in the console:

05.09.11 17:00:09,165 SIMBL Agent: eventDidFail:'tvea' error:Error Domain=NSOSStatusErrorDomain Code=-1708 "The operation couldn’t be completed. (OSStatus error -1708.)" (the AppleEvent was not handled by any handler ) UserInfo=0x400e485c0 {ErrorNumber=-1708} userInfo:{
    ErrorNumber = "-1708";
}

I am trying to debug this; but as I haven't really worked with AppleEvent that much yet, I'm not really sure how to interpret that.

I think the related code in the SIMBL Agent is this:

AEEventID eventID = 'load';

// Find the process to target
pid_t pid = [[appInfo objectForKey:@"NSApplicationProcessIdentifier"] intValue];
SBApplication* app = [SBApplication applicationWithProcessIdentifier:pid];
[app setDelegate:self];
if (!app) {
    SIMBLLogNotice(@"Can't find app with pid %d", pid);
    return;
}

// Force AppleScript to initialize in the app, by getting the dictionary
// When initializing, you need to wait for the event reply, otherwise the
// event might get dropped on the floor. This is only seems to happen in 10.5
// but it shouldn't harm anything.
[app setSendMode:kAEWaitReply | kAENeverInteract | kAEDontRecord];
id initReply = [app sendEvent:kASAppleScriptSuite id:kGetAEUT parameters:0];

// the reply here is of some unknown type - it is not an Objective-C object
// as near as I can tell because trying to print it using "%@" or getting its
// class both cause the application to segfault. The pointer value always seems
// to be 0x10000 which is a bit fishy. It does not seem to be an AEDesc struct
// either.
// since we are waiting for a reply, it seems like this object might need to
// be released - but i don't know what it is or how to release it.
// NSLog(@"initReply: %p '%64.64s'", initReply, (char*)initReply);

// Inject!
[app setSendMode:kAENoReply | kAENeverInteract | kAEDontRecord];
id injectReply = [app sendEvent:'SIMe' id:eventID parameters:0];
if (injectReply != nil) {
    SIMBLLogNotice(@"unexpected injectReply: %@", injectReply);
}

解决方案

The eventDidFail message also comes from the SIMBL Agent itself. It is this code:

- (void) eventDidFail:(const AppleEvent*)event withError:(NSError*)error
{
    NSDictionary* userInfo = [error userInfo];
    NSNumber* errorNumber = [userInfo objectForKey:@"ErrorNumber"];

    // this error seems more common on Leopard
    if (errorNumber && [errorNumber intValue] == errAEEventNotHandled) {
        SIMBLLogDebug(@"eventDidFail:'%4.4s' error:%@ userInfo:%@", (char*)&(event->descriptorType), error, [error userInfo]);
    }
    else {
        SIMBLLogNotice(@"eventDidFail:'%4.4s' error:%@ userInfo:%@", (char*)&(event->descriptorType), error, [error userInfo]);
    }
}

And the error disappears if I comment out this code:

[app setSendMode:kAEWaitReply | kAENeverInteract | kAEDontRecord];
id initReply = [app sendEvent:kASAppleScriptSuite id:kGetAEUT parameters:0];

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