diff options
Diffstat (limited to 'src/print_graph.c')
| -rw-r--r-- | src/print_graph.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/print_graph.c b/src/print_graph.c index 7e429dbd..f15bc523 100644 --- a/src/print_graph.c +++ b/src/print_graph.c @@ -84,8 +84,11 @@ print_core (struct obstack *oout, state *s) obstack_1grow (oout, '.'); - for (/* Nothing */; *sp >= 0; ++sp) - obstack_printf (oout, " %s", escape (symbols[*sp]->tag)); + if (0 <= *r->rhs) + for (/* Nothing */; *sp >= 0; ++sp) + obstack_printf (oout, " %s", escape (symbols[*sp]->tag)); + else + obstack_printf (oout, " %%empty"); /* Experimental feature: display the lookahead tokens. */ if (report_flag & report_lookahead_tokens |