From b84f1d850aed50dea347ab5b99888bc85448604f Mon Sep 17 00:00:00 2001 From: Quentin Young Date: Tue, 9 Aug 2016 22:23:17 +0000 Subject: [PATCH] lib: Handle vararg in graph pretty-print Signed-off-by: Quentin Young --- lib/grammar_sandbox.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/lib/grammar_sandbox.c b/lib/grammar_sandbox.c index cf9ce2bb58..6473fc12e3 100644 --- a/lib/grammar_sandbox.c +++ b/lib/grammar_sandbox.c @@ -251,7 +251,13 @@ pretty_print_graph (struct graph_node *start, int level) if (vector_active (start->children)) { if (vector_active (start->children) == 1) - pretty_print_graph (vector_slot (start->children, 0), level); + { + struct graph_node *child = vector_slot (start->children, 0); + if (child == start) + fprintf (stdout, "*"); + else + pretty_print_graph (vector_slot (start->children, 0), level); + } else { fprintf(stdout, "\n"); @@ -260,7 +266,10 @@ pretty_print_graph (struct graph_node *start, int level) struct graph_node *r = vector_slot (start->children, i); for (int j = 0; j < level+1; j++) fprintf (stdout, " "); - pretty_print_graph (r, level+1); + if (r == start) + fprintf (stdout, "*"); + else + pretty_print_graph (r, level+1); } } } -- 2.39.5