[aspectc-user] Multiple definitions error with templates.

[Olaf Spinczyk]

Hi!

Your previous mail has been blocked by the mailing list software. The 
attachments were too big. It would be very kind if you submitted bug 
reports at www.aspectc.org/bugzilla.

Last week and this week we are improving a lot of template-related 
parser code. It is possible that these ongoing changes will solve the 
problem.

- Olaf

On 06/27/2011 05:59 PM, Guilherme . wrote:
> Hi!
>
> I am getting following error when trying to weave my code:
>
> include//click/hashmap.hh:219: error: invalid declaration near token 
> `template'
>
> Maybe this error has to do with the previously submitted email about 
> the conversion operator.
>
> Here is the offending code:
>
> 219 template <class K, class V>
> 220 inline
> 221 _HashMap_const_iterator<K, V>::operator unspecified_bool_type() const
> 222 {
> 223     return live() ? &_HashMap_const_iterator::live : 0;
> 224 }
>
> And the next one in this file:
>
> include//click/hashmap.hh:366: error: redefinition of `HashMap::begin'
> include//click/hashmap.hh:67: previously defined here
> include//click/hashmap.hh:534: error: redefinition of `HashMap::begin'
>
> The interesting part is, that it uses template specialization to (with 
> g++) avoid these errors.
>
> There are two classes defined.
>
> First:
>  24 template <class K, class V>
>  25 class HashMap { public:
>
> With forward declaration:
>  67   inline const_iterator begin() const;
>
> 115 };
>
> and later on:
>
> And the second class (the specializaton)
>
> 227 template <class K>
> 228 class HashMap<K, void *> { public:
>
> 318 };
>
> with these begin functions:
>
> 364 template <class K>
> 365 inline typename HashMap<K, void *>::const_iterator
> 366 HashMap<K, void *>::begin() const
> 367 {
> 368   return const_iterator(this, true);
> 369 }
>
> 532 template <class K, class T>
> 533 inline typename HashMap<K, T *>::const_iterator
> 534 HashMap<K, T *>::begin() const
> 535 {
> 536   return const_iterator(this, true);
> 537 }
>
> So i guess the specialization must be throwing the ac++ parser off...
>
> Anything i can do about it?
>
> Thank you for your help,
> Guilherme
>
>
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