On 4/25/17, Kelvin Sherlock <ksherl...@gmail.com> wrote:
>
> I believe the issue is line 4164 which should be … = LEMON_TRUE. Currently,
> when i=0, all rules will erroneously be optimized out.
>
> 4157 /* Mark rules that are actually used for reduce actions after all
> 4158 ** optimizations have been applied
> 4159 */
> 4160 for(rp=lemp->rule; rp; rp=rp->next) rp->doesReduce = LEMON_FALSE;
> 4161 for(i=0; i<lemp->nxstate; i++){
> 4162 for(ap=lemp->sorted[i]->ap; ap; ap=ap->next){
> 4163 if( ap->type==REDUCE || ap->type==SHIFTREDUCE ){
> 4164 ap->x.rp->doesReduce = i;
> 4165 }
> 4166 }
> 4167 }
>
Well done. I fear that you have had to learn more about Lemon and
LALR(1) parsing than perhaps you really ever wanted to know. Your
efforts are greatly appreciated.
--
D. Richard Hipp
d...@sqlite.org
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