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Re: I can't step into any message of Objective-C object
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Re: I can't step into any message of Objective-C object


  • Subject: Re: I can't step into any message of Objective-C object
  • From: Chan-gu Lee <email@hidden>
  • Date: Sun, 30 Mar 2008 11:48:40 +0900

Hi, Jeffrey.
Thank to your your reply.

I inserted code fragment, and tested as you suggested.
The return value of [m_MyData respondsToSelector:@selector(setNumber:)] is YES, and the codes in block of if statement work well.


Regards.
Chan-gu Lee.

2008. 03. 30, 오전 11:33, Jeffrey Oleander 작성:
Chan-gu Lee <email@hidden> wrote:
2008. 03. 30, ���� 12:30, Shawn Erickson
�ۼ�:
On Sat, 2008 Mar 29, at 06:44, Chan-gu Lee
<email@hidden> wrote:
I have some code to debug, and I need to trace it.
However, when I tried to step into message call to
Objective-C, Xcode does step-over.

Here is an example code.

      int new_number = [[m_TextField stringValue]
intValue] ;

What happens when you insert introspection method(s) here?

if ([m_MyData respondsToSelector:@selector(setNumber:)])
{
 // dosomething
}

[m_MyData setNumber:new_number] ;
}

'>>' means current pc counter.
When I do step-into m_MyData::setNumer here, Xcode
just go to the next line, not to the entry point of
setNumber.

Is m_MyData nil?

-Shawn

Thanks for your reply.

However, m_MyData isn't nil. It's a valid object.

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