private ulong GetFieldAddress(string fieldName, ClrElementType element, string typeName)
{
if (IsNull)
{
throw new NullReferenceException();
}
ClrInstanceField field = Type.GetFieldByName(fieldName);
if (field == null)
{
throw new ArgumentException($"Type '{Type.Name}' does not contain a field named '{fieldName}'");
}
if (field.ElementType != element)
{
throw new InvalidOperationException($"Field '{Type.Name}.{fieldName}' is not of type '{typeName}'.");
}
ulong address = field.GetAddress(Address);
return(address);
}
/// <summary>
/// </summary>
/// <param name="fieldName"></param>
/// <returns></returns>
public ClrValueClass GetValueClassField(string fieldName)
{
ClrInstanceField field = Type.GetFieldByName(fieldName);
if (field == null)
{
throw new ArgumentException($"Type '{Type.Name}' does not contain a field named '{fieldName}'");
}
if (!field.IsValueClass)
{
throw new ArgumentException($"Field '{Type.Name}.{fieldName}' is not a ValueClass.");
}
if (field.Type == null)
{
throw new Exception("Field does not have an associated class.");
}
ulong addr = field.GetAddress(Address, _interior);
return(new ClrValueClass(addr, field.Type, true));
}
/// <summary>
/// Gets the given field in this object
/// </summary>
/// <param name="fieldName">The name of the field.</param>
/// <returns>The value of the field.</returns>
public ClrValue GetFieldOrNull(string fieldName)
{
if (IsNull)
{
return(new ClrValueImpl(Type.Heap));
}
ClrInstanceField field = _type.GetFieldByName(fieldName);
if (field == null)
{
throw new ArgumentException($"Type '{_type.Name}' does not contain a field named '{fieldName}'");
}
ulong addr = Address;
ulong fieldAddr = field.GetAddress(addr);
if (fieldAddr == 0)
{
throw new MemoryReadException(addr);
}
return(new ClrValueImpl(_type.Heap.Runtime, fieldAddr, field));
}
public ClrObject this[ClrInstanceField field] => GetInnerObject(field.GetAddress(Address, IsInterior), field.Type);