diff src/peers/gov/nasa/jpf/vm/JPF_gov_nasa_jpf_SerializationConstructor.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
parents
children db918c531e6d
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/peers/gov/nasa/jpf/vm/JPF_gov_nasa_jpf_SerializationConstructor.java	Fri Jan 23 10:14:01 2015 -0800
@@ -0,0 +1,69 @@
+/*
+ * 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.annotation.MJI;
+import gov.nasa.jpf.vm.ClassInfo;
+import gov.nasa.jpf.vm.DirectCallStackFrame;
+import gov.nasa.jpf.vm.MJIEnv;
+import gov.nasa.jpf.vm.MethodInfo;
+import gov.nasa.jpf.vm.NativePeer;
+import gov.nasa.jpf.vm.ThreadInfo;
+
+
+public class JPF_gov_nasa_jpf_SerializationConstructor extends NativePeer {
+
+  /**
+   * create a new instance, but only call the ctor of the first
+   * non-serializable superclass
+   */
+  @MJI
+  public int newInstance___3Ljava_lang_Object_2__Ljava_lang_Object_2 (MJIEnv env, int mthRef, int argsRef) {
+    ThreadInfo ti = env.getThreadInfo();
+    DirectCallStackFrame frame = ti.getReturnedDirectCall();
+    
+    int superCtorRef = env.getReferenceField(mthRef, "firstNonSerializableCtor"); 
+    MethodInfo miCtor = JPF_java_lang_reflect_Constructor.getMethodInfo(env,superCtorRef);
+
+    if (frame == null){ // first time
+      int clsRef = env.getReferenceField(mthRef, "mdc");
+      ClassInfo ci = env.getReferredClassInfo( clsRef);
+
+      if (ci.isAbstract()){
+        env.throwException("java.lang.InstantiationException");
+        return MJIEnv.NULL;
+      }
+
+      int objRef = env.newObjectOfUncheckedClass(ci);
+      frame = miCtor.createDirectCallStackFrame(ti, 1); 
+      frame.setReferenceArgument( 0, objRef, null);
+      frame.setLocalReferenceVariable(0, objRef); // (1) we store the reference as a local var for retrieval during reexec      
+      ti.pushFrame(frame);
+      
+      // check for & push required clinits
+      ci.pushRequiredClinits(ti);
+      env.repeatInvocation();
+      return MJIEnv.NULL;
+      
+    } else { // re-execution, 
+      int objRef = frame.getLocalVariable(0); // that's the object ref we stored in (1)
+      return objRef;
+    }
+  }
+}