A minor change in the LL.output format.

This commit is contained in:
ceriel 1985-11-26 13:27:51 +00:00
parent 4b31842ecc
commit 5b09f4211d

View file

@ -301,6 +301,7 @@ prrule(p) register p_gram p; {
*/ */
register FILE *f; register FILE *f;
int present = 0; int present = 0;
int firstalt = 1;
f = fout; f = fout;
for (;;) { for (;;) {
@ -323,8 +324,15 @@ prrule(p) register p_gram p; {
prline("%persistent\n"); prline("%persistent\n");
} }
if (r_getkind(q) != FIXED) { if (r_getkind(q) != FIXED) {
if (!(q->t_flags & PERSISTENT)) {
prline("> continue repetition on the\n");
}
printset(q->t_first, c_first); printset(q->t_first, c_first);
if (q->t_flags & PERSISTENT) {
prline("> continue repetition on the\n");
}
printset(q->t_contains, c_contains); printset(q->t_contains, c_contains);
prline("> terminate repetition on the\n");
printset(q->t_follow,c_follow); printset(q->t_follow,c_follow);
if (q->t_flags & EMPTYFIRST) { if (q->t_flags & EMPTYFIRST) {
prline(">>> empty first\n"); prline(">>> empty first\n");
@ -353,9 +361,10 @@ prrule(p) register p_gram p; {
register p_link l; register p_link l;
l = &links[g_getcont(p)]; l = &links[g_getcont(p)];
if (g_gettype(p-1) == ALTERNATION) { if (firstalt) {
prline("|\n"); firstalt = 0;
} }
else prline("|\n");
printset(l->l_symbs,"> alternative on "); printset(l->l_symbs,"> alternative on ");
cfcheck(l->l_symbs, cfcheck(l->l_symbs,
l->l_others, l->l_others,