From: Ulya Trofimovich <skvadrik@gmail.com>
Date: Fri, 24 Feb 2017 17:15:14 +0000 (+0000)
Subject: '--dump-nfa': correctly print symbol ranges on NFA transitions.
X-Git-Tag: 1.0~39^2~122
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fa01aad3f7ed7586bfc976f60486dba978fdb9ed;p=re2c

'--dump-nfa': correctly print symbol ranges on NFA transitions.
---

diff --git a/re2c/src/ir/nfa/dump.cc b/re2c/src/ir/nfa/dump.cc
index 6645afd4..c0b32ee8 100644
--- a/re2c/src/ir/nfa/dump.cc
+++ b/re2c/src/ir/nfa/dump.cc
@@ -33,12 +33,14 @@ void dump_nfa(const nfa_t &nfa)
 				fprintf(stderr, "  n%u -> n%u [color=lightgray]\n", i, index(nfa, n->alt.out2));
 				break;
 			case nfa_state_t::RAN: {
-				const uint32_t
-					l = n->ran.ran->lower(),
-					u = n->ran.ran->upper() - 1;
-				fprintf(stderr, "  n%u -> n%u [label=\"%u", i, index(nfa, n->ran.out), l);
-				if (u > l) {
-					fprintf(stderr, "-%u", u);
+				fprintf(stderr, "  n%u -> n%u [label=\"", i, index(nfa, n->ran.out));
+				for (const Range *r = n->ran.ran; r; r = r->next()) {
+					const uint32_t
+						l = r->lower(),
+						u = r->upper() - 1;
+					fprintf(stderr, "%u", l);
+					if (u > l) fprintf(stderr, "-%u", u);
+					if (r->next()) fprintf(stderr, ",");
 				}
 				fprintf(stderr, "\"]\n");
 				break;