On 19 Jun 2011, at 12:38, Jakub M wrote:

> I allocate a new object for each token, and i would like to delete the
> object when the token is not used anymore. Is there any directive that
> would run the delete code every time a token is popped from the stack?
> I thought %destructor is the one, but now I am not sure... 

If you use the C-parser, you will have to delete the objects in the actions; 
%destructor is for deleting during error recovery. One might instead use say 
the Hans Boehm GC.

Hans



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