244   fuzzer_stem *pStem;        /* Stem with smallest rCostX */  member
571 static void fuzzerClearStemList(fuzzer_stem *pStem){  in fuzzerClearStemList()  argument
572   while( pStem ){  in fuzzerClearStemList()
573     fuzzer_stem *pNext = pStem->pNext;  in fuzzerClearStemList()
574     sqlite3_free(pStem);  in fuzzerClearStemList()
575     pStem = pNext;  in fuzzerClearStemList()
585   fuzzerClearStemList(pCur->pStem);  in fuzzerClearCursor()
591     pCur->pStem = 0;  in fuzzerClearCursor()
615   fuzzer_stem *pStem,   /* The stem to be rendered */  in fuzzerRender()  argument
619   const fuzzer_rule *pRule = pStem->pRule;  in fuzzerRender()
623   n = pStem->nBasis + pRule->nTo - pRule->nFrom;  in fuzzerRender()
629   n = pStem->n;  in fuzzerRender()
632     memcpy(z, pStem->zBasis, pStem->nBasis+1);  in fuzzerRender()
634     memcpy(z, pStem->zBasis, n);  in fuzzerRender()
636     memcpy(&z[n+pRule->nTo], &pStem->zBasis[n+pRule->nFrom],   in fuzzerRender()
637            pStem->nBasis-n-pRule->nFrom+1);  in fuzzerRender()
640   assert( z[pStem->nBasis + pRule->nTo - pRule->nFrom]==0 );  in fuzzerRender()
656 static fuzzer_cost fuzzerCost(fuzzer_stem *pStem){  in fuzzerCost()  argument
657   return pStem->rCostX = pStem->rBaseCost + pStem->pRule->rCost;  in fuzzerCost()
666   fuzzer_stem *pStem,
669   if( pStem->n<0 ){
672        pStem->zBasis, pStem->rBaseCost,
678     if( fuzzerRender(pStem, &zBuf, &nBuf)!=SQLITE_OK ) return;
681       pStem->zBasis, pStem->rBaseCost, zBuf, pStem->,
694 static int fuzzerSeen(fuzzer_cursor *pCur, fuzzer_stem *pStem){  in fuzzerSeen()  argument
698   if( fuzzerRender(pStem, &pCur->zBuf, &pCur->nBuf)==SQLITE_NOMEM ){  in fuzzerSeen()
719   fuzzer_stem *pStem,             /* Stem rule may be applied to */  in fuzzerSkipRule()  argument
724    || (pStem->nBasis + pRule->nTo - pRule->nFrom)>FUZZER_MX_OUTPUT_LENGTH  in fuzzerSkipRule()
733 static int fuzzerAdvance(fuzzer_cursor *pCur, fuzzer_stem *pStem){  in fuzzerAdvance()  argument
735   while( (pRule = pStem->pRule)!=0 ){  in fuzzerAdvance()
737     while( pStem->n < pStem->nBasis - pRule->nFrom ){  in fuzzerAdvance()
738       pStem->n++;  in fuzzerAdvance()
740        || memcmp(&pStem->zBasis[pStem->n], pRule->zFrom, pRule->nFrom)==0  in fuzzerAdvance()
743         int rc = fuzzerSeen(pCur, pStem);  in fuzzerAdvance()
746           fuzzerCost(pStem);  in fuzzerAdvance()
751     pStem->n = -1;  in fuzzerAdvance()
754     }while( fuzzerSkipRule(pRule, pStem, pCur->iRuleset) );  in fuzzerAdvance()
755     pStem->pRule = pRule;  in fuzzerAdvance()
756     if( pRule && fuzzerCost(pStem)>pCur->rLimit ) pStem->pRule = 0;  in fuzzerAdvance()
799   if( pCur->pStem==0 ){  in fuzzerLowestCostStem()
813       pCur->pStem = pBest;  in fuzzerLowestCostStem()
816   return pCur->pStem;  in fuzzerLowestCostStem()
832   if( (pX = pCur->pStem)!=0 && pX->rCostX>pNew->rCostX ){  in fuzzerInsert()
834     pCur->pStem = pNew;  in fuzzerInsert()
904   fuzzer_stem *pStem, *pNew;  in fuzzerNext()  local
911   pStem = pCur->pStem;  in fuzzerNext()
912   if( pStem->rCostX>0 ){  in fuzzerNext()
913     rc = fuzzerRender(pStem, &pCur->zBuf, &pCur->nBuf);  in fuzzerNext()
915     pNew = fuzzerNewStem(pCur, pCur->zBuf, pStem->rCostX);  in fuzzerNext()
933   while( (pStem = pCur->pStem)!=0 ){  in fuzzerNext()
934     int res = fuzzerAdvance(pCur, pStem);  in fuzzerNext()
938       pCur->pStem = 0;  in fuzzerNext()
939       pStem = fuzzerInsert(pCur, pStem);  in fuzzerNext()
940       if( (rc = fuzzerSeen(pCur, pStem))!=0 ){  in fuzzerNext()
946     pCur->pStem = 0;  in fuzzerNext()
947     pStem->pNext = pCur->pDone;  in fuzzerNext()
948     pCur->pDone = pStem;  in fuzzerNext()
950       rc = fuzzerSeen(pCur, pCur->pStem);  in fuzzerNext()
976   fuzzer_stem *pStem;  in fuzzerFilter()  local
1000   assert( pCur->pStem==0 );  in fuzzerFilter()
1005     pCur->pStem = pStem = fuzzerNewStem(pCur, zWord, (fuzzer_cost)0);  in fuzzerFilter()
1006     if( pStem==0 ) return SQLITE_NOMEM;  in fuzzerFilter()
1007     pStem->pRule = &pCur->nullRule;  in fuzzerFilter()
1008     pStem->n = pStem->nBasis;  in fuzzerFilter()
1024     if( fuzzerRender(pCur->pStem, &pCur->zBuf, &pCur->nBuf)==SQLITE_NOMEM ){  in fuzzerColumn()
1030     sqlite3_result_int(ctx, pCur->pStem->rCostX);  in fuzzerColumn()