From: Ulya Trofimovich <skvadrik@gmail.com>
Date: Mon, 14 Mar 2016 21:45:42 +0000 (+0000)
Subject: Skeleton: respect fixed-length contexts.
X-Git-Tag: 1.0~39^2~361
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=87525eb8ea56eec27a3b51a4ec796b6b3564a5c8;p=re2c

Skeleton: respect fixed-length contexts.
---

diff --git a/re2c/src/ir/skeleton/path.h b/re2c/src/ir/skeleton/path.h
index 5cb83d1a..a3452fdf 100644
--- a/re2c/src/ir/skeleton/path.h
+++ b/re2c/src/ir/skeleton/path.h
@@ -49,9 +49,14 @@ public:
 	}
 	size_t len_matching () const
 	{
-		return rule && rule->ctx_len == ~0u
-			? ctx_pos
-			: rule_pos;
+		if (rule) {
+			switch (rule->ctx_len) {
+				case 0:   return rule_pos;
+				case ~0u: return ctx_pos;
+				default:  return rule_pos - rule->ctx_len;
+			}
+		}
+		return 0;
 	}
 	rule_rank_t match () const
 	{