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Prevent warning about unused labels

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This commit is contained in:
ceriel 1997-04-02 10:42:06 +00:00
parent 6db931eee6
commit cebde164bb
1 changed files with 5 additions and 5 deletions
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10
util/LLgen/src/gencode.c
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@ -761,7 +761,7 @@ alternation(pp, safety, mustscan, mustpop, lb)
mustpop = NOPOP; mustpop = NOPOP;
} }
if (unsafe && hulp1 == lb) { if (unsafe && hulp1 == lb) {
fprintf(f,"L_%d: ;\n", hulp1); fprintf(f,"goto L_%d; /* so that the label is used for certain */\nL_%d: ;\n", hulp1, hulp1);
} }
if (safety == SAFE) { if (safety == SAFE) {
/* check if we can avoid to generate the switch */ /* check if we can avoid to generate the switch */
@ -849,7 +849,7 @@ alternation(pp, safety, mustscan, mustpop, lb)
nsafe = SAFE; nsafe = SAFE;
if (l->l_flag & DEF) { if (l->l_flag & DEF) {
if (unsafe) { if (unsafe) {
fprintf(f,"L_%d: ;\n", hulp2); fprintf(f,"goto L_%d;\nL_%d: ;\n", hulp2, hulp2);
} }
if (safety != SAFE) nsafe = SAFESCANDONE; if (safety != SAFE) nsafe = SAFESCANDONE;
} }
@ -863,7 +863,7 @@ alternation(pp, safety, mustscan, mustpop, lb)
} }
if ((l->l_flag & COND) && !(l->l_flag & NOCONF)) { if ((l->l_flag & COND) && !(l->l_flag & NOCONF)) {
p++; p++;
fprintf(f,"L_%d : ;\n",hulp); fprintf(f,"goto L_%d;\nL_%d : ;\n", hulp, hulp);
if (g_gettype(p+1) == EORULE) { if (g_gettype(p+1) == EORULE) {
continue; continue;
} }
@ -1099,7 +1099,7 @@ genswhead(q, rep_kind, rep_count, safety, ispushed) register p_term q; {
else if (rep_kind == OPT) safeterm = safety; else if (rep_kind == OPT) safeterm = safety;
else /* if (rep_kind == STAR) */ safeterm = max(safety, gettout(q)); else /* if (rep_kind == STAR) */ safeterm = max(safety, gettout(q));
hulp2 = nlabel++; hulp2 = nlabel++;
fprintf(f, "L_%d : ", hulp2); fprintf(f, "goto L_%d;\nL_%d : ", hulp2, hulp2);
if (q->t_flags & RESOLVER) { if (q->t_flags & RESOLVER) {
hulp1 = nlabel++; hulp1 = nlabel++;
if (! (q->t_flags & NOCONF)) { if (! (q->t_flags & NOCONF)) {
@ -1168,7 +1168,7 @@ genswhead(q, rep_kind, rep_count, safety, ispushed) register p_term q; {
} }
gencases(tokenlist, casecnt, compacted); gencases(tokenlist, casecnt, compacted);
if (q->t_flags & RESOLVER) { if (q->t_flags & RESOLVER) {
fprintf(f, "L_%d : ;\n", hulp1); fprintf(f, "goto L_%d;\nL_%d : ;\n", hulp1, hulp1);
} }
if (rep_kind == OPT) genpop(ispushed); if (rep_kind == OPT) genpop(ispushed);
if (rep_count > 0) { if (rep_count > 0) {