/// <summary>
/// Returns the address to be used as memory context. This is used to get an address
/// from an expression entered into Visual Studio's memory view's address text box.
/// </summary>
public static ulong?GetMemoryContextAddress(this RemoteValue remoteValue)
{
if (!IsValidValue(remoteValue))
{
return(null);
}
TypeFlags GetTypeFlags(RemoteValue value) =>
remoteValue.GetTypeInfo().GetCanonicalType().GetTypeFlags();
// If the value is an array, try to obtain its address.
TypeFlags flags = GetTypeFlags(remoteValue);
if (flags.HasFlag(TypeFlags.IS_ARRAY))
{
remoteValue = remoteValue.AddressOf();
if (!IsValidValue(remoteValue))
{
return(null);
}
flags = GetTypeFlags(remoteValue);
}
// Only interpret pointers, references and integers as addresses.
if (!flags.HasFlag(TypeFlags.IS_REFERENCE) && !flags.HasFlag(TypeFlags.IS_POINTER) &&
!flags.HasFlag(TypeFlags.IS_INTEGER))
{
return(null);
}
return(remoteValue.GetValueAsUnsigned());
}
static IEnumerable <RemoteValue> GetPointerChildren(RemoteValue value, int offset, int count)
{
var result = new List <RemoteValue>();
SbType pointeeType = value.GetTypeInfo()?.GetPointeeType();
if (pointeeType == null)
{
// If we cannot get the pointee type, just return the empty list.
return(result);
}
ulong byteSize = pointeeType.GetByteSize();
ulong baseAddress = value.GetValueAsUnsigned() + (ulong)offset * byteSize;
for (int n = 0; n < count; ++n)
{
ulong address = baseAddress + (ulong)n * byteSize;
RemoteValue childValue =
value.CreateValueFromAddress($"[{offset + n}]", address, pointeeType);
if (childValue != null)
{
result.Add(childValue);
}
}
return(result);
}
public override string FormatValueAsAddress(RemoteValue remoteValue)
{
TypeFlags flags = remoteValue?.GetTypeInfo()?.GetTypeFlags() ?? 0;
if (flags.HasFlag(TypeFlags.IS_REFERENCE) || flags.HasFlag(TypeFlags.IS_POINTER))
{
if (ValueFormat == ValueFormat.HexUppercase)
{
return($"{remoteValue.GetValueAsUnsigned():X16}");
}
else
{
return($"{remoteValue.GetValueAsUnsigned():x16}");
}
}
return(string.Empty);
}
public virtual string FormatValueAsAddress(RemoteValue remoteValue)
{
TypeFlags flags = remoteValue?.GetTypeInfo()?.GetTypeFlags() ?? 0;
if (flags.HasFlag(TypeFlags.IS_REFERENCE) || flags.HasFlag(TypeFlags.IS_POINTER))
{
return($"0x{remoteValue.GetValueAsUnsigned():x16}");
}
return(string.Empty);
}
public ulong GetValueAsUnsigned() => remoteProxy.GetValueAsUnsigned();
public ulong GetValueAsUnsigned() => value.GetValueAsUnsigned();