--- a/graal/com.oracle.max.graal.graph/src/com/oracle/max/graal/graph/Node.java	Sat Jan 28 23:14:46 2012 +0100
+++ b/graal/com.oracle.max.graal.graph/src/com/oracle/max/graal/graph/Node.java	Sat Jan 28 23:52:45 2012 +0100
@@ -25,6 +25,8 @@
 import java.lang.annotation.*;
 import java.util.*;
 
+import com.oracle.max.graal.graph.NodeClass.*;
+
 
 /**
  * This class is the base class for all nodes, it represent a node which can be inserted in a {@link Graph}.<br>
@@ -45,7 +47,7 @@
  *
  *
  */
-public abstract class Node implements Cloneable {
+public abstract class Node implements Cloneable, Formattable {
 
     static final int DELETED_ID_START = -1000000000;
     static final int INITIAL_ID = -1;
@@ -490,4 +492,66 @@
                 throw new RuntimeException("unknown verbosity: " + verbosity);
         }
     }
+
+    @Override
+    public void formatTo(Formatter formatter, int flags, int width, int precision) {
+        if ((flags & FormattableFlags.ALTERNATE) == FormattableFlags.ALTERNATE) {
+            formatter.format(toString(Verbosity.Id));
+        } else if ((flags & FormattableFlags.UPPERCASE) == FormattableFlags.UPPERCASE) {
+            formatter.format(toString(Verbosity.Long));
+        } else {
+            formatter.format(toString(Verbosity.Short));
+        }
+
+        boolean neighborsAlternate = ((flags & FormattableFlags.LEFT_JUSTIFY) == FormattableFlags.LEFT_JUSTIFY);
+        int neighborsFlags = (neighborsAlternate ? FormattableFlags.ALTERNATE | FormattableFlags.LEFT_JUSTIFY : 0);
+        if (width > 0) {
+            if (this.predecessor != null) {
+                formatter.format(" pred={");
+                this.predecessor.formatTo(formatter, neighborsFlags, width - 1, 0);
+                formatter.format("}");
+            }
+
+            NodeClassIterator inputIter = inputs().iterator();
+            while (inputIter.hasNext()) {
+                Position position = inputIter.nextPosition();
+                Node input = getNodeClass().get(this, position);
+                if (input != null) {
+                    formatter.format(" ");
+                    formatter.format(getNodeClass().getName(position));
+                    formatter.format("={");
+                    input.formatTo(formatter, neighborsFlags, width - 1, 0);
+                    formatter.format("}");
+                }
+            }
+        }
+
+        if (precision > 0) {
+            if (this.usages.size() > 0) {
+                formatter.format(" usages={");
+                int z = 0;
+                for (Node usage : this.usages) {
+                    if (z != 0) {
+                        formatter.format(", ");
+                    }
+                    usage.formatTo(formatter, neighborsFlags, 0, precision - 1);
+                    ++z;
+                }
+                formatter.format("}");
+            }
+
+            NodeClassIterator succIter = successors().iterator();
+            while (succIter.hasNext()) {
+                Position position = succIter.nextPosition();
+                Node successor = getNodeClass().get(this, position);
+                if (successor != null) {
+                    formatter.format(" ");
+                    formatter.format(getNodeClass().getName(position));
+                    formatter.format("={");
+                    successor.formatTo(formatter, neighborsFlags, 0, precision - 1);
+                    formatter.format("}");
+                }
+            }
+        }
+    }
 }