Re: A question about error recovery

[Anthony DeRobertis]

On Wednesday, July 3, 2002, at 05:38 , zhke wrote:

> I allocate memory for Objects in yylex(),and return the 
> pointers as yylval.
> Now if a parse error occurs,I want to abort from the yyparse() 
> .How should I free memory of those objects remaining in the 
> parse stack?Because my application is a deamon process,so the 
> memory leaking is not endurable.
> Could anybody give me any advice?Any reply would be appreciated.
One way would be to use an object factory that keeps track of 
all objects allocated during a parse and upon a parse error, 
tell it to deallocate all of them.

You could also use something like mark-and-sweep garbage collection.