public void Format(DbgDotNetValue value)
{
if (value is null)
{
throw new ArgumentNullException(nameof(value));
}
evalInfo.CancellationToken.ThrowIfCancellationRequested();
try {
if (recursionCounter++ >= MAX_RECURSION)
{
OutputWrite("???", DbgTextColor.Error);
return;
}
if (TrySimpleFormat(value))
{
return;
}
var type = value.Type;
int tupleArity = TypeFormatterUtils.GetTupleArity(type);
if (tupleArity > 0 && TryFormatTuple(value, tupleArity))
{
return;
}
if (KeyValuePairTypeUtils.IsKeyValuePair(type) && TryFormatKeyValuePair(value, KeyValuePairTypeUtils.TryGetFields(value.Type)))
{
return;
}
if (DictionaryEntryTypeUtils.IsDictionaryEntry(type) && TryFormatKeyValuePair(value, DictionaryEntryTypeUtils.TryGetFields(value.Type)))
{
return;
}
if (TryFormatWithDebuggerAttributes(value))
{
return;
}
if (TryFormatToString(value))
{
return;
}
FormatTypeName(value);
}
finally {
recursionCounter--;
}
}
bool TryFormatTuple(DbgDotNetValue value, int tupleArity)
{
Debug.Assert(TypeFormatterUtils.GetTupleArity(value.Type) == tupleArity && tupleArity > 0);
OutputWrite(TupleTypeOpenParen, DbgTextColor.Punctuation);
var values = ObjectCache.AllocDotNetValueList();
var runtime = evalInfo.Runtime.GetDotNetRuntime();
int index = 0;
foreach (var info in TupleTypeUtils.GetTupleFields(value.Type, tupleArity))
{
if (index++ > 0)
{
OutputWrite(",", DbgTextColor.Punctuation);
WriteSpace();
}
if (info.tupleIndex < 0)
{
OutputWrite("???", DbgTextColor.Error);
break;
}
else
{
var objValue = value;
DbgDotNetValueResult valueResult = default;
try {
foreach (var field in info.fields)
{
valueResult = runtime.LoadField(evalInfo, objValue, field);
if (valueResult.Value != null)
{
values.Add(valueResult.Value);
}
if (valueResult.HasError || valueResult.ValueIsException)
{
objValue = null;
break;
}
objValue = valueResult.Value;
}
valueResult = default;
if (objValue == null)
{
OutputWrite("???", DbgTextColor.Error);
break;
}
Format(objValue);
}
finally {
valueResult.Value?.Dispose();
foreach (var v in values)
{
v?.Dispose();
}
values.Clear();
}
}
}
ObjectCache.Free(ref values);
OutputWrite(TupleTypeCloseParen, DbgTextColor.Punctuation);
return(true);
}