--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/gov/nasa/jpf/util/MethodInfoRegistry.java	Fri Jan 23 10:14:01 2015 -0800
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2014, United States Government, as represented by the
+ * Administrator of the National Aeronautics and Space Administration.
+ * All rights reserved.
+ *
+ * The Java Pathfinder core (jpf-core) platform is licensed under the
+ * Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ *        http://www.apache.org/licenses/LICENSE-2.0. 
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and 
+ * limitations under the License.
+ */
+
+package gov.nasa.jpf.util;
+
+import gov.nasa.jpf.vm.MJIEnv;
+import gov.nasa.jpf.vm.MethodInfo;
+
+/**
+ * just a little helper for java.lang.reflect peers
+ * 
+ * <2do> - it's overly simplistic for now
+ */
+public class MethodInfoRegistry {
+  
+  final int NREG = 10;
+  MethodInfo[] registered;
+  int nRegistered;
+  
+  public MethodInfoRegistry () {
+    registered = new MethodInfo[NREG];
+    nRegistered = 0;
+  }
+    
+  public int registerMethodInfo (MethodInfo mi) {
+    int idx;
+    
+    for (idx=0; idx < nRegistered; idx++) {
+      if (registered[idx] == mi) {
+        return idx;
+      }
+    }
+    
+    if (idx == registered.length) {
+      MethodInfo[] newReg = new MethodInfo[registered.length+NREG];
+      System.arraycopy(registered, 0, newReg, 0, registered.length);
+      registered = newReg;
+    }
+    
+    registered[idx] = mi;
+    nRegistered++;
+    return idx;
+  }
+  
+  public MethodInfo getRegisteredFieldInfo (int idx) {
+    return registered[idx];
+  }
+
+  public MethodInfo getMethodInfo (MJIEnv env, int objRef, String fieldName) {
+    int idx = env.getIntField( objRef, fieldName);
+    
+    assert ((idx >= 0) || (idx < nRegistered)) : "illegal MethodInfo request: " + idx + ", " + nRegistered;
+    
+    return registered[idx];
+  }
+
+}