Re: gdb: Newbie can't use 'print -[object message]'
Re: gdb: Newbie can't use 'print -[object message]'
- Subject: Re: gdb: Newbie can't use 'print -[object message]'
- From: Clark Cox <email@hidden>
- Date: Sat, 23 Jan 2010 22:14:29 -0800
On Sat, Jan 23, 2010 at 9:42 PM, Roland King <email@hidden> wrote:
> You probably aren't misinterpreting the documentation, that's what it says.
>
> However as far as I know you don't need the '-' and it doesn't work that way (it tries to evaluate it as a unary minus), you do need to tell it however what the return type of the function is because gdb never knows unless it's an object.
>
> So I think that 'print -[object hash]' in the documentation should really say 'print (unsigned int)[ object hash ]' and for what you're doing, since the function returns an object (NSString*) you want to use po again on the result
>
> po [ 0x2e18fb80 description ]
And since, you're just printing the description:
po 0x2e18fb80
will do what you want as well.
--
Clark S. Cox III
email@hidden
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