/// <summary>
/// Get the variable assignment expression as a string. Returns null if the value is
/// constant or invalid.
/// </summary>
public static string GetVariableAssignExpression(this RemoteValue remoteValue)
{
var valueType = remoteValue.GetValueType();
if (valueType == ValueType.Invalid)
{
return(null);
}
if (valueType == ValueType.Register)
{
return($"${remoteValue.GetName()}");
}
TypeFlags?typeFlags = remoteValue.GetTypeInfo()?.GetTypeFlags();
if (typeFlags.HasValue && typeFlags.Value.HasFlag(TypeFlags.IS_ARRAY))
{
return(null);
}
string variableExpression = remoteValue.GetFullName();
if (variableExpression == null)
{
variableExpression = remoteValue.GetMemoryAddressAssignExpression();
}
return(variableExpression);
}
static IEnumerable <RemoteValue> GetRemoteValueChildren(RemoteValue remoteValue, int offset,
int count)
{
var result = new List <RemoteValue>();
uint childOffset = (uint)offset;
uint endIndex = (uint)(offset + count);
uint numChildren = remoteValue.GetNumChildren();
while (childOffset < endIndex)
{
// Fetch children in batches for performance reasons.
uint batchSize = System.Math.Min(endIndex - childOffset, _maxChildBatchSize);
List <RemoteValue> currentBatch = remoteValue.GetChildren(childOffset, batchSize);
for (int n = 0; n < batchSize; ++n)
{
RemoteValue childValue = currentBatch[n];
if (childValue != null)
{
result.Add(childValue);
}
else if (n + childOffset < numChildren)
{
// There were times when LLDB was returning an error and thus a null child
// value. ex: Children[1] for a CustomType&* type.
Trace.WriteLine(
$"WARNING: No child found at index {n + childOffset} of " +
$"({remoteValue.GetTypeName()}){remoteValue.GetFullName()} even " +
$"though there are {numChildren} children.");
}
}
childOffset += batchSize;
}
return(result);
}
public string Fullname() => _remoteValue.GetValueType() == DebuggerApi.ValueType.Register
? $"{ExpressionConstants.RegisterPrefix}{_remoteValue.GetName()}"
: _remoteValue.GetFullName();