diff options
Diffstat (limited to 'tool/lemon.c')
| -rw-r--r-- | tool/lemon.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tool/lemon.c b/tool/lemon.c index 1fb0308be..a089bc7ba 100644 --- a/tool/lemon.c +++ b/tool/lemon.c @@ -686,8 +686,9 @@ void FindFirstSets(struct lemon *lemp) for(rp=lemp->rule; rp; rp=rp->next){ if( rp->lhs->lambda ) continue; for(i=0; i<rp->nrhs; i++){ - struct symbol *sp = rp->rhs[i]; - if( sp->type!=TERMINAL || sp->lambda==LEMON_FALSE ) break; + struct symbol *sp = rp->rhs[i]; + assert( sp->type==NONTERMINAL || sp->lambda==LEMON_FALSE ); + if( sp->lambda==LEMON_FALSE ) break; } if( i==rp->nrhs ){ rp->lhs->lambda = LEMON_TRUE; |