public void Push()
{
if (_continuationCount == 0)
{
Debug.Assert(Current.PolymorphicSerializationState != PolymorphicSerializationState.PolymorphicReEntrySuspended);
if (_count == 0 && Current.PolymorphicSerializationState == PolymorphicSerializationState.None)
{
// Perf enhancement: do not create a new stackframe on the first push operation
// unless the converter has primed the current frame for polymorphic dispatch.
_count = 1;
_indexOffset = 1; // currentIndex := _count - 1;
}
else
{
JsonTypeInfo jsonTypeInfo = Current.GetNestedJsonTypeInfo();
JsonNumberHandling?numberHandling = Current.NumberHandling;
EnsurePushCapacity();
_stack[_count - _indexOffset] = Current;
Current = default;
_count++;
Current.JsonTypeInfo = jsonTypeInfo;
Current.JsonPropertyInfo = jsonTypeInfo.PropertyInfoForTypeInfo;
// Allow number handling on property to win over handling on type.
Current.NumberHandling = numberHandling ?? Current.JsonPropertyInfo.EffectiveNumberHandling;
}
}
else
{
// We are re-entering a continuation, adjust indices accordingly
if (_count++ > 0 || _indexOffset == 0)
{
Current = _stack[_count - _indexOffset];
}
// check if we are done
if (_continuationCount == _count)
{
_continuationCount = 0;
}
}
#if DEBUG
// Ensure the method is always exercised in debug builds.
_ = PropertyPath();
#endif
}
public void Push()
{
if (_continuationCount == 0)
{
if (_count == 0)
{
// Performance optimization: reuse the first stackframe on the first push operation.
// NB need to be careful when making writes to Current _before_ the first `Push`
// operation is performed.
_count = 1;
}
else
{
JsonTypeInfo jsonTypeInfo = Current.GetNestedJsonTypeInfo();
JsonNumberHandling?numberHandling = Current.NumberHandling;
EnsurePushCapacity();
_stack[_count - 1] = Current;
Current = default;
_count++;
Current.JsonTypeInfo = jsonTypeInfo;
Current.JsonPropertyInfo = jsonTypeInfo.PropertyInfoForTypeInfo;
// Allow number handling on property to win over handling on type.
Current.NumberHandling = numberHandling ?? Current.JsonPropertyInfo.NumberHandling;
}
}
else
{
// We are re-entering a continuation, adjust indices accordingly
if (_count++ > 0)
{
Current = _stack[_count - 1];
}
// check if we are done
if (_continuationCount == _count)
{
_continuationCount = 0;
}
}
#if DEBUG
// Ensure the method is always exercised in debug builds.
_ = PropertyPath();
#endif
}