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Changes lemon so that the generated parser does not accept prior to

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seeing the EOF token.  This is a lemon change only and does not
effect SQLite.  Ticket #2550. (CVS 4473)

FossilOrigin-Name: 1c68d93412a608f5164ad984ff290ab3b832bf7a
This commit is contained in:
drh
2007-10-05 16:16:36 +00:00
parent 382e28fa0c
commit b496099751
3 changed files with 11 additions and 8 deletions
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3
tool/lemon.c
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@ -149,6 +149,7 @@ struct symbol {
struct rule {
struct symbol *lhs; /* Left-hand side of the rule */
char *lhsalias; /* Alias for the LHS (NULL if none) */
int lhsStart; /* True if left-hand side is the start symbol */
int ruleline; /* Line number for the rule */
int nrhs; /* Number of RHS symbols */
struct symbol **rhs; /* The RHS symbols */
@ -709,6 +710,7 @@ does not work properly.",sp->name);
** left-hand side */
for(rp=sp->rule; rp; rp=rp->nextlhs){
struct config *newcfp;
rp->lhsStart = 1;
newcfp = Configlist_addbasis(rp,0);
SetAdd(newcfp->fws,0);
}
@ -3942,6 +3944,7 @@ struct lemon *lemp;
}
if( ap->type!=REDUCE ) continue;
rp = ap->x.rp;
if( rp->lhsStart ) continue;
if( rp==rbest ) continue;
n = 1;
for(ap2=ap->next; ap2; ap2=ap2->next){