On 4/1/06 5:33 PM, "Peter Robinson" <email@hidden> wrote:
>> On 4/1/06 10:56 AM, "Peter Robinson" <email@hidden> wrote:
>
>>> In other words, do this:
>>>
>>> - (void)GLASS:(NSString *)parameterString
>>> {
>>> [aSurface setGlass:[NSString stringWithFormat:
>>> @"GLASS %@", parameterString]];
>>> [aSurface setSurfaceNumber:surfaceNumber];
>>> surfaceNumber++;
>>> [surfaceArray addObject:aSurface];
>>> [aSurface release]; // <-----------
>>> aSurface = [[ACSurface alloc]init];
>>> }
>>
>> That is exactly what I thought but when I release aSurface as you show my
>> program crashes because the pointer in surfaceArray is corrupted. Perhaps I
>> have another problem earlier in the code which is causing this problem.
>
> You must have. I suggest you check all the other places you are
> assigning to the aSurface instance variable (or -releasing,
> -autoreleasing or -retaining it). This kind of problem is exactly why
> it's a good idea to isolate this stuff in a setter method as Andy
> suggests.
>
> (I'm assuming surfaceArray is some kind of NSArray or similar. If in
> fact it's your own code, the first place to look is in its -addObject:
> method.)
The surfaceArray object is simply an NSMutableArray, so that addObject
method is just the built in method for NSMutable Array. I am obviously
doing something wrong so I guess it is time to go back and study the code
some more.
Thanks for all of the suggestions.
Bruce
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