internal jvmtiError GetLocalReferenceForClass(JniEnvironment nativeEnvironment, ReferenceTypeId typeId, out LocalClassReferenceHolder thread)
{
thread = default(LocalClassReferenceHolder);
jclass threadHandle;
jvmtiError error = GetClass(typeId, out threadHandle);
if (error != jvmtiError.None)
{
return(error);
}
thread = new LocalClassReferenceHolder(nativeEnvironment, threadHandle);
return(jvmtiError.None);
}
public Error GetArrayValues(ArrayId arrayObject, int firstIndex, int length, out Value[] values)
{
values = null;
try
{
JniEnvironment nativeEnvironment;
JvmtiEnvironment environment;
jvmtiError error = GetEnvironment(out environment, out nativeEnvironment);
if (error != jvmtiError.None)
return GetStandardError(error);
using (LocalObjectReferenceHolder objectHandle = VirtualMachine.GetLocalReferenceForObject(nativeEnvironment, arrayObject))
{
if (!objectHandle.IsAlive)
return Error.InvalidObject;
Value[] valuesArray = new Value[length];
using (LocalClassReferenceHolder declaringType = new LocalClassReferenceHolder(nativeEnvironment, nativeEnvironment.GetObjectClass(objectHandle.Value)))
{
string signature;
string genericSignature;
error = environment.GetClassSignature(declaringType.Value, out signature, out genericSignature);
if (error != jvmtiError.None)
return GetStandardError(error);
// the array element type signature starts after the '['
Contract.Assert(signature[0] == '[');
switch (signature[1])
{
case 'Z':
{
bool[] buffer = new bool[length];
nativeEnvironment.GetBooleanArrayRegion(objectHandle.Value, firstIndex, length, buffer);
for (int i = 0; i < length; i++)
valuesArray[i] = (Value)buffer[i];
break;
}
case 'B':
{
byte[] buffer = new byte[length];
nativeEnvironment.GetByteArrayRegion(objectHandle.Value, firstIndex, length, buffer);
for (int i = 0; i < length; i++)
valuesArray[i] = (Value)buffer[i];
break;
}
case 'C':
{
char[] buffer = new char[length];
nativeEnvironment.GetCharArrayRegion(objectHandle.Value, firstIndex, length, buffer);
for (int i = 0; i < length; i++)
valuesArray[i] = (Value)buffer[i];
break;
}
case 'D':
{
double[] buffer = new double[length];
nativeEnvironment.GetDoubleArrayRegion(objectHandle.Value, firstIndex, length, buffer);
for (int i = 0; i < length; i++)
valuesArray[i] = (Value)buffer[i];
break;
}
case 'F':
{
float[] buffer = new float[length];
nativeEnvironment.GetFloatArrayRegion(objectHandle.Value, firstIndex, length, buffer);
for (int i = 0; i < length; i++)
valuesArray[i] = (Value)buffer[i];
break;
}
case 'I':
{
int[] buffer = new int[length];
nativeEnvironment.GetIntArrayRegion(objectHandle.Value, firstIndex, length, buffer);
for (int i = 0; i < length; i++)
valuesArray[i] = (Value)buffer[i];
break;
}
case 'J':
{
long[] buffer = new long[length];
nativeEnvironment.GetLongArrayRegion(objectHandle.Value, firstIndex, length, buffer);
for (int i = 0; i < length; i++)
valuesArray[i] = (Value)buffer[i];
break;
}
case 'S':
{
short[] buffer = new short[length];
nativeEnvironment.GetShortArrayRegion(objectHandle.Value, firstIndex, length, buffer);
for (int i = 0; i < length; i++)
valuesArray[i] = (Value)buffer[i];
break;
}
case 'V':
return Error.InvalidFieldid;
case '[':
case 'L':
{
for (int i = 0; i < length; i++)
{
jobject value = nativeEnvironment.GetObjectArrayElement(objectHandle.Value, firstIndex + i);
valuesArray[i] = (Value)VirtualMachine.TrackLocalObjectReference(value, environment, nativeEnvironment, true);
}
break;
}
default:
throw new FormatException();
}
}
values = valuesArray;
return Error.None;
}
}
catch (Exception)
{
return Error.Internal;
}
}
public Error GetObjectValues(ObjectId @object, FieldId[] fields, out Value[] values)
{
values = null;
try
{
JniEnvironment nativeEnvironment;
JvmtiEnvironment environment;
jvmtiError error = GetEnvironment(out environment, out nativeEnvironment);
if (error != jvmtiError.None)
return GetStandardError(error);
using (LocalObjectReferenceHolder objectHandle = VirtualMachine.GetLocalReferenceForObject(nativeEnvironment, @object))
{
if (!objectHandle.IsAlive)
return Error.InvalidObject;
Value[] valuesArray = new Value[fields.Length];
for (int i = 0; i < valuesArray.Length; i++)
{
string name;
string signature;
string genericSignature;
using (LocalClassReferenceHolder declaringType = new LocalClassReferenceHolder(nativeEnvironment, nativeEnvironment.GetObjectClass(objectHandle.Value)))
{
error = environment.GetFieldName(declaringType.Value, fields[i], out name, out signature, out genericSignature);
if (error != jvmtiError.None)
return GetStandardError(error);
switch (signature[0])
{
case 'Z':
valuesArray[i] = nativeEnvironment.GetBooleanField(objectHandle.Value, fields[i]);
break;
case 'B':
valuesArray[i] = nativeEnvironment.GetByteField(objectHandle.Value, fields[i]);
break;
case 'C':
valuesArray[i] = nativeEnvironment.GetCharField(objectHandle.Value, fields[i]);
break;
case 'D':
valuesArray[i] = nativeEnvironment.GetDoubleField(objectHandle.Value, fields[i]);
break;
case 'F':
valuesArray[i] = nativeEnvironment.GetFloatField(objectHandle.Value, fields[i]);
break;
case 'I':
valuesArray[i] = nativeEnvironment.GetIntField(objectHandle.Value, fields[i]);
break;
case 'J':
valuesArray[i] = nativeEnvironment.GetLongField(objectHandle.Value, fields[i]);
break;
case 'S':
valuesArray[i] = nativeEnvironment.GetShortField(objectHandle.Value, fields[i]);
break;
case 'V':
return Error.InvalidFieldid;
case '[':
case 'L':
jobject value = nativeEnvironment.GetObjectField(objectHandle.Value, fields[i]);
valuesArray[i] = VirtualMachine.TrackLocalObjectReference(value, environment, nativeEnvironment, true);
break;
default:
throw new FormatException();
}
}
}
values = valuesArray;
return Error.None;
}
}
catch (Exception)
{
return Error.Internal;
}
}
