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A minor change in the LL.output format.

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This commit is contained in:
ceriel 1985-11-26 13:27:51 +00:00
parent 4b31842ecc
commit 5b09f4211d
1 changed files with 11 additions and 2 deletions
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13
util/LLgen/src/check.c
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@ -301,6 +301,7 @@ prrule(p) register p_gram p; {
*/
register FILE *f;
int present = 0;
int firstalt = 1;
f = fout;
for (;;) {
@ -323,8 +324,15 @@ prrule(p) register p_gram p; {
prline("%persistent\n");
}
if (r_getkind(q) != FIXED) {
if (!(q->t_flags & PERSISTENT)) {
prline("> continue repetition on the\n");
}
printset(q->t_first, c_first);
if (q->t_flags & PERSISTENT) {
prline("> continue repetition on the\n");
}
printset(q->t_contains, c_contains);
prline("> terminate repetition on the\n");
printset(q->t_follow,c_follow);
if (q->t_flags & EMPTYFIRST) {
prline(">>> empty first\n");
@ -353,9 +361,10 @@ prrule(p) register p_gram p; {
register p_link l;
l = &links[g_getcont(p)];
if (g_gettype(p-1) == ALTERNATION) {
prline("|\n");
if (firstalt) {
firstalt = 0;
}
else prline("|\n");
printset(l->l_symbs,"> alternative on ");
cfcheck(l->l_symbs,
l->l_others,