[jruby-joni] 30/194: fix folded chars in look-behind

[Hideki Yamane]

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henrich pushed a commit to branch debian/sid
in repository jruby-joni.

commit f8bb3d01b0776bca10a276f2873de68a16f1a976
Author: Marcin Mielzynski <lopx at gazeta.pl>
Date:   Tue Dec 26 18:22:38 2017 +0100

    fix folded chars in look-behind
---
 src/org/joni/Analyser.java     | 2 ++
 test/org/joni/test/TestU8.java | 1 +
 2 files changed, 3 insertions(+)

diff --git a/src/org/joni/Analyser.java b/src/org/joni/Analyser.java
index ddb0f5c..c941534 100644
--- a/src/org/joni/Analyser.java
+++ b/src/org/joni/Analyser.java
@@ -1950,6 +1950,7 @@ final class Analyser extends Parser {
                 node = setupLookBehind(node);
                 if (node.getType() != NodeType.ANCHOR) continue restart;
                 setupTree(((AnchorNode)node).target, state);
+                node = setupLookBehind(node);
                 break;
 
             case AnchorType.LOOK_BEHIND_NOT:
@@ -1957,6 +1958,7 @@ final class Analyser extends Parser {
                 node = setupLookBehind(node);
                 if (node.getType() != NodeType.ANCHOR) continue restart;
                 setupTree(((AnchorNode)node).target, (state | IN_NOT));
+                node = setupLookBehind(node);
                 break;
 
             } // inner switch
diff --git a/test/org/joni/test/TestU8.java b/test/org/joni/test/TestU8.java
index 7faa1e1..e6458c2 100755
--- a/test/org/joni/test/TestU8.java
+++ b/test/org/joni/test/TestU8.java
@@ -169,6 +169,7 @@ public class TestU8 extends Test {
         x2s("(?i)\ufb01", "fi", 0, 2);
 
         x2s("(?i)\u0149\u0149", "\u0149\u0149", 0, 4);
+        x2s("(?i)(?<=\u0149)a", "\u02bcna", 3, 4);
 
         super.test();
     }

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