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.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111942 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 116 insertions, 0 deletions

diff --git a/libjava/classpath/gnu/regexp/RETokenLookBehind.java b/libjava/classpath/gnu/regexp/RETokenLookBehind.java
new file mode 100644
index 00000000000..a6c1b34cb0b
--- /dev/null
+++ b/libjava/classpath/gnu/regexp/RETokenLookBehind.java
@@ -0,0 +1,116 @@
+/* gnu/regexp/RETokenLookBehind.java
+   Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.regexp;
+
+/**
+ * @author Ito Kazumitsu
+ */
+final class RETokenLookBehind extends REToken
+{
+  REToken re;
+  boolean negative;
+
+  RETokenLookBehind(REToken re, boolean negative) throws REException {
+    super(0);
+    this.re = re;
+    this.negative = negative;
+  }
+
+  int getMaximumLength() {
+    return 0;
+  }
+
+  boolean match(CharIndexed input, REMatch mymatch)
+  {
+    int max = re.getMaximumLength();
+    CharIndexed behind = input.lookBehind(mymatch.index, max);
+    REMatch trymatch = (REMatch)mymatch.clone();
+    REMatch trymatch1 = (REMatch)mymatch.clone();
+    REMatch newMatch = null;
+    int curIndex = trymatch.index + behind.length() - input.length();
+    trymatch.index = 0;
+    RETokenMatchHereOnly stopper = new RETokenMatchHereOnly(curIndex);
+    REToken re1 = (REToken) re.clone();
+    re1.chain(stopper);
+    if (re1.match(behind, trymatch)) {
+      if (negative) return false;
+      if (next(input, trymatch1))
+        newMatch = trymatch1;
+    }
+
+    if (newMatch != null) {
+      if (negative) return false;
+      //else
+      mymatch.assignFrom(newMatch);
+      return true;
+    }
+    else { // no match
+      if (negative)
+        return next(input, mymatch);
+      //else
+      return false;
+    }
+  }
+
+    void dump(StringBuffer os) {
+	os.append("(?<");
+	os.append(negative ? '!' : '=');
+	re.dumpAll(os);
+	os.append(')');
+    }
+
+    private static class RETokenMatchHereOnly extends REToken {
+
+        int getMaximumLength() { return 0; }
+
+	private int index;
+
+	RETokenMatchHereOnly(int index) {
+	    super(0);
+	    this.index = index;
+	}
+
+	boolean match(CharIndexed input, REMatch mymatch) {
+	    return index == mymatch.index;
+	}
+
+        void dump(StringBuffer os) {}
+
+    }
+}
+