diff src/main/gov/nasa/jpf/vm/ByteFieldInfo.java @ 0:61d41facf527

initial v8 import (history reset)
author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/gov/nasa/jpf/vm/ByteFieldInfo.java	Fri Jan 23 10:14:01 2015 -0800
@@ -0,0 +1,73 @@
+/*
+ * 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.vm;
+
+import gov.nasa.jpf.JPFException;
+
+/**
+ * fieldinfo for slots holding bytes
+ */
+public class ByteFieldInfo extends SingleSlotFieldInfo {
+
+  byte init;
+
+  public ByteFieldInfo (String name, int modifiers) {
+     super(name, "B", modifiers);
+  }
+
+  @Override
+  public void setConstantValue(Object constValue){
+    if (constValue instanceof Integer){
+      cv = constValue;
+      init = ((Integer)constValue).byteValue();
+
+    } else {
+      throw new JPFException("illegal byte ConstValue=" + constValue);
+    }
+  }
+
+
+  @Override
+  public void initialize (ElementInfo ei, ThreadInfo ti) {
+    ei.getFields().setByteValue(storageOffset, init);
+  }
+
+  @Override
+  public boolean isByteField() {
+    return true;
+  }
+
+  @Override
+  public String valueToString (Fields f) {
+    byte i = f.getByteValue(storageOffset);
+    return Byte.toString(i);
+  }
+
+
+  @Override
+  public Object getValueObject (Fields f){
+    int i = f.getIntValue(storageOffset);
+    return new Byte((byte)i);
+  }
+
+  @Override
+  public boolean isNumericField(){
+    return true;
+  }
+}