From 8aa540d2f783474d1d2e06f16744bf67b9c1facc Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mark@gcc.gnu.org>
Date: Fri, 10 Mar 2006 21:46:48 +0000
Subject: Imported GNU Classpath 0.90

       Imported GNU Classpath 0.90
       * scripts/makemake.tcl: Set gnu/java/awt/peer/swing to ignore.
       * gnu/classpath/jdwp/VMFrame.java (SIZE): New constant.
       * java/lang/VMCompiler.java: Use gnu.java.security.hash.MD5.
       * java/lang/Math.java: New override file.
       * java/lang/Character.java: Merged from Classpath.
       (start, end): Now 'int's.
       (canonicalName): New field.
       (CANONICAL_NAME, NO_SPACES_NAME, CONSTANT_NAME): New constants.
       (UnicodeBlock): Added argument.
       (of): New overload.
       (forName): New method.
       Updated unicode blocks.
       (sets): Updated.
       * sources.am: Regenerated.
       * Makefile.in: Likewise.

From-SVN: r111942
---
 libjava/classpath/gnu/regexp/RETokenBackRef.java | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

(limited to 'libjava/classpath/gnu/regexp/RETokenBackRef.java')

diff --git a/libjava/classpath/gnu/regexp/RETokenBackRef.java b/libjava/classpath/gnu/regexp/RETokenBackRef.java
index 674822a..060a6cf 100644
--- a/libjava/classpath/gnu/regexp/RETokenBackRef.java
+++ b/libjava/classpath/gnu/regexp/RETokenBackRef.java
@@ -51,13 +51,25 @@ final class RETokenBackRef extends REToken {
   // should implement getMinimumLength() -- any ideas?
 
     boolean match(CharIndexed input, REMatch mymatch) {
+	if (num >= mymatch.start.length) return false;
+	if (num >= mymatch.end.length) return false;
 	int b,e;
 	b = mymatch.start[num];
 	e = mymatch.end[num];
 	if ((b==-1)||(e==-1)) return false; // this shouldn't happen, but...
 	for (int i=b; i<e; i++) {
-	    if (input.charAt(mymatch.index+i-b) != input.charAt(i)) {
-		return false;
+	    char c1 = input.charAt(mymatch.index+i-b);
+	    char c2 = input.charAt(i);
+	    if (c1 != c2) {
+		if (insens) {
+		    if (c1 != Character.toLowerCase(c2) &&
+			c1 != Character.toUpperCase(c2)) {
+			return false;
+		    }
+		}
+		else {
+		    return false;
+		}
 	    }
 	}
 	mymatch.index += e-b;
-- 
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