Adding ParameterizedTypeImpl to getGenericSuperclass method.

[jpf-core.git] / src / peers / gov / nasa / jpf / vm / JPF_java_lang_Class.java

diff --git a/src/peers/gov/nasa/jpf/vm/JPF_java_lang_Class.java b/src/peers/gov/nasa/jpf/vm/JPF_java_lang_Class.java
index 10d63c7003595629d09eb79ef2659a14b55285ac..cdc5dd709359a91bf10779a84a2ec15e84d7343b 100644 (file)
--- a/src/peers/gov/nasa/jpf/vm/JPF_java_lang_Class.java
+++ b/src/peers/gov/nasa/jpf/vm/JPF_java_lang_Class.java
@@ -108,6 +108,101 @@ public class JPF_java_lang_Class extends NativePeer {
   }
 
   // TODO: Fix for Groovy's model-checking
+  private static int getParameterizedTypeImplObj(String className, String[] parameterizedTypes, String ownerType,
+                                                 MJIEnv env, int objRef, int superObjRef) {
+
+    ThreadInfo ti = env.getThreadInfo();
+    ClassLoaderInfo cli = env.getSystemClassLoaderInfo();
+    ClassInfo ci = cli.getResolvedClassInfo("sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl");
+    // Create a new object of type ParameterizedTypeImpl
+    int paramTypeRef = env.newObject(ci);
+    ElementInfo ei = env.getModifiableElementInfo(paramTypeRef);
+    // Get field information and fill out the fields
+    // rawType field
+    ei.setReferenceField("rawType", superObjRef);
+
+    // actualTypeArguments
+    int[] types = new int[parameterizedTypes.length];
+    for(int j = 0; j < parameterizedTypes.length; j++) {
+        types[j] = getTypeVariableImplObject(env, objRef, parameterizedTypes[j]);
+    }
+    int aRef = env.newObjectArray("Ljava/lang/reflect/Type;", parameterizedTypes.length);
+    // Set references for every array element
+    for (int j = 0; j < parameterizedTypes.length; j++) {
+      env.setReferenceArrayElement(aRef, j, types[j]);
+    }
+    ei.setReferenceField("actualTypeArguments", aRef);
+
+    // ownerType
+    if (ownerType != null) {
+      ClassInfo oci = ClassLoaderInfo.getCurrentResolvedClassInfo(ownerType);
+      if (!oci.isRegistered()) {
+        oci.registerClass(ti);
+      }
+      ei.setReferenceField("ownerType", oci.getClassObjectRef());
+    } else {
+      ei.setReferenceField("ownerType", MJIEnv.NULL);
+    }
+
+    return paramTypeRef;
+  }
+
+  private static int getTypeVariableImplObject(MJIEnv env, int objRef, String parameterizedType) {
+
+    ClassLoaderInfo cli = env.getSystemClassLoaderInfo();
+    ClassInfo ci = cli.getResolvedClassInfo("sun.reflect.generics.reflectiveObjects.TypeVariableImpl");
+
+    int typeVarRef = env.newObject(ci);
+    ElementInfo ei = env.getModifiableElementInfo(typeVarRef);
+    // genericDeclaration contains this java.lang.reflect.Method object
+    ei.setReferenceField("genericDeclaration", objRef);
+    ei.setReferenceField("name", env.newString(parameterizedType));
+
+    return typeVarRef;
+  }
+
+  @MJI
+  public int getGenericSuperclass____Ljava_lang_reflect_Type_2 (MJIEnv env, int robj){
+    ClassInfo ci = env.getReferredClassInfo( robj);
+    ClassInfo sci = ci.getSuperClass();
+    if (sci != null) {
+      String[] typeVars = sci.getGenericTypeVariableNames();
+      // Not a generic class
+      if (typeVars.length == 0) {
+        return sci.getClassObjectRef();
+      }
+      String className = sci.getName();
+      String ownerType = Types.getOwnerClassName(className);
+      int gRef = getParameterizedTypeImplObj(className, typeVars, ownerType, env, ci.getClassObjectRef(),
+              sci.getClassObjectRef());
+
+      return gRef;
+    } else {
+      return MJIEnv.NULL;
+    }
+  }
+
+  @MJI
+  public int getGenericInterfaces_____3Ljava_lang_reflect_Type_2 (MJIEnv env, int robj) {
+    // TODO: Need to add ParameterizedTypeImpl
+    ClassInfo ci = env.getReferredClassInfo(robj);
+    int aref = MJIEnv.NULL;
+    ThreadInfo ti = env.getThreadInfo();
+
+    // contrary to the API doc, this only returns the interfaces directly
+    // implemented by this class, not it's bases
+    // <2do> this is not exactly correct, since the interfaces should be ordered
+    Set<ClassInfo> interfaces = ci.getInterfaceClassInfos();
+    aref = env.newObjectArray("Ljava/lang/Class;", interfaces.size());
+
+    int i=0;
+    for (ClassInfo ifc: interfaces){
+      env.setReferenceArrayElement(aref, i++, ifc.getClassObjectRef());
+    }
+
+    return aref;
+  }
+
   @MJI
   public int getTypeParameters_____3Ljava_lang_reflect_TypeVariable_2 (MJIEnv env, int robj){
     // Get the ClassInfo for this class