internal ClassObjectReference GetMirrorOf(ClassObjectId classObject)
{
if (classObject == default(ClassObjectId))
{
return(null);
}
return(new ClassObjectReference(this, classObject));
}
public Error GetClassObject(out ClassObjectId classObject, ReferenceTypeId referenceType)
{
byte[] packet = new byte[HeaderSize + ReferenceTypeIdSize];
int id = GetMessageId();
SerializeHeader(packet, id, ReferenceTypeCommand.ClassObject);
WriteReferenceTypeId(packet, HeaderSize, referenceType);
byte[] response = SendPacket(id, packet);
Error errorCode = ReadErrorCode(response);
if (errorCode != Error.None)
{
classObject = default(ClassObjectId);
return errorCode;
}
int offset = HeaderSize;
classObject = (ClassObjectId)ReadObjectId(response, ref offset);
return Error.None;
}
internal ClassObjectReference(VirtualMachine virtualMachine, ClassObjectId objectId)
: base(virtualMachine, objectId, null)
{
Contract.Requires(virtualMachine != null);
}
public Error GetReflectedType(out TypeTag typeTag, out ReferenceTypeId typeId, ClassObjectId classObject)
{
byte[] packet = new byte[HeaderSize + ObjectIdSize];
int id = GetMessageId();
SerializeHeader(packet, id, ClassObjectReferenceCommand.ReflectedType);
WriteObjectId(packet, HeaderSize, classObject);
byte[] response = SendPacket(id, packet);
Error errorCode = ReadErrorCode(response);
if (errorCode != Error.None)
{
typeTag = default(TypeTag);
typeId = default(ReferenceTypeId);
return errorCode;
}
int offset = HeaderSize;
typeTag = (TypeTag)ReadByte(response, ref offset);
typeId = ReadReferenceTypeId(response, ref offset);
return Error.None;
}
public Error GetClassObject(ReferenceTypeId referenceType, out ClassObjectId classObject)
{
throw new NotImplementedException();
}
public Error GetReflectedType(ClassObjectId classObjectId, out TypeTag typeTag, out ReferenceTypeId typeId)
{
typeTag = default(TypeTag);
typeId = default(ReferenceTypeId);
JniEnvironment nativeEnvironment;
JvmtiEnvironment environment;
jvmtiError error = GetEnvironment(out environment, out nativeEnvironment);
if (error != jvmtiError.None)
return GetStandardError(error);
TaggedReferenceTypeId[] classes;
error = environment.GetLoadedClasses(nativeEnvironment, out classes);
if (error != jvmtiError.None)
return GetStandardError(error);
jmethodID getNameMethod = nativeEnvironment.GetMethodId(VirtualMachine.ClassClass, "getName", "()Ljava/lang/String;");
using (var classObject = VirtualMachine.GetLocalReferenceForObject(nativeEnvironment, classObjectId))
{
if (!classObject.IsAlive)
return Error.InvalidObject;
jobject nameObject = nativeEnvironment.CallObjectMethodA(classObject.Value, getNameMethod);
int length = nativeEnvironment.GetStringUTFLength(nameObject);
byte[] buffer = new byte[length + 1];
nativeEnvironment.GetStringUTFRegion(nameObject, 0, length, buffer);
string name = ModifiedUTF8Encoding.GetString(buffer, 0, length);
nativeEnvironment.DeleteLocalReference(nameObject);
string signature;
switch (name)
{
case "boolean":
case "byte":
case "char":
case "double":
case "float":
case "int":
case "long":
case "short":
case "void":
return Error.IllegalArgument;
default:
signature = name.Replace('.', '/');
if (name[0] != '[')
signature = 'L' + signature + ';';
break;
}
foreach (var loadedTypeId in classes)
{
using (var loadedType = VirtualMachine.GetLocalReferenceForClass(nativeEnvironment, loadedTypeId.TypeId))
{
if (!loadedType.IsAlive)
continue;
string loadedTypeSignature;
string loadedTypeGenericSignature;
error = environment.GetClassSignature(loadedType.Value, out loadedTypeSignature, out loadedTypeGenericSignature);
if (error == jvmtiError.None && loadedTypeSignature == signature)
{
typeTag = loadedTypeId.TypeTag;
typeId = loadedTypeId.TypeId;
return Error.None;
}
}
}
}
return Error.InvalidClass;
}
internal ClassObjectReference GetMirrorOf(ClassObjectId classObject)
{
if (classObject == default(ClassObjectId))
return null;
return new ClassObjectReference(this, classObject);
}
internal ClassObjectReference(VirtualMachine virtualMachine, ClassObjectId objectId)
: base(virtualMachine, objectId, null)
{
Contract.Requires(virtualMachine != null);
}
