internal Expansion GetTypeExpansion(DkmInspectionContext inspectionContext, Type declaredType, DkmClrValue value, ExpansionFlags flags)
{
Debug.Assert(!declaredType.IsTypeVariables());
if ((inspectionContext.EvaluationFlags & DkmEvaluationFlags.NoExpansion) != 0)
{
return(null);
}
var runtimeType = value.Type.GetLmrType();
// If the value is an array, expand the array elements.
if (runtimeType.IsArray)
{
var sizes = value.ArrayDimensions;
if (sizes == null)
{
// Null array. No expansion.
return(null);
}
var lowerBounds = value.ArrayLowerBounds;
return(ArrayExpansion.CreateExpansion(sizes, lowerBounds));
}
if (this.Formatter.IsPredefinedType(runtimeType))
{
return(null);
}
if (declaredType.IsPointer)
{
return(!value.IsNull ? new PointerDereferenceExpansion(declaredType.GetElementType()) : null);
}
if (value.EvalFlags.Includes(DkmEvaluationResultFlags.ExceptionThrown) &&
runtimeType.IsEmptyResultsViewException())
{
// The value is an exception thrown expanding an empty
// IEnumerable. Use the runtime type of the exception and
// skip base types. (This matches the native EE behavior
// to expose a single property from the exception.)
flags &= ~ExpansionFlags.IncludeBaseMembers;
}
return(MemberExpansion.CreateExpansion(inspectionContext, declaredType, value, flags, TypeHelpers.IsVisibleMember, this.Formatter));
}
internal Expansion GetTypeExpansion(
DkmInspectionContext inspectionContext,
TypeAndCustomInfo declaredTypeAndInfo,
DkmClrValue value,
ExpansionFlags flags)
{
var declaredType = declaredTypeAndInfo.Type;
Debug.Assert(!declaredType.IsTypeVariables());
if ((inspectionContext.EvaluationFlags & DkmEvaluationFlags.NoExpansion) != 0)
{
return(null);
}
var runtimeType = value.Type.GetLmrType();
// If the value is an array, expand the array elements.
if (runtimeType.IsArray)
{
var sizes = value.ArrayDimensions;
if (sizes == null)
{
// Null array. No expansion.
return(null);
}
var lowerBounds = value.ArrayLowerBounds;
Type elementType;
DkmClrCustomTypeInfo elementTypeInfo;
if (declaredType.IsArray)
{
elementType = declaredType.GetElementType();
elementTypeInfo = CustomTypeInfo.SkipOne(declaredTypeAndInfo.Info);
}
else
{
elementType = runtimeType.GetElementType();
elementTypeInfo = null;
}
return(ArrayExpansion.CreateExpansion(new TypeAndCustomInfo(DkmClrType.Create(declaredTypeAndInfo.ClrType.AppDomain, elementType), elementTypeInfo), sizes, lowerBounds));
}
if (this.IsPrimitiveType(runtimeType))
{
return(null);
}
if (declaredType.IsFunctionPointer())
{
// Function pointers have no expansion
return(null);
}
if (declaredType.IsPointer)
{
// If this assert fails, the element type info is just .SkipOne().
Debug.Assert(declaredTypeAndInfo.Info?.PayloadTypeId != CustomTypeInfo.PayloadTypeId);
var elementType = declaredType.GetElementType();
return(value.IsNull || elementType.IsVoid()
? null
: new PointerDereferenceExpansion(new TypeAndCustomInfo(DkmClrType.Create(declaredTypeAndInfo.ClrType.AppDomain, elementType))));
}
if (value.EvalFlags.Includes(DkmEvaluationResultFlags.ExceptionThrown) &&
runtimeType.IsEmptyResultsViewException())
{
// The value is an exception thrown expanding an empty
// IEnumerable. Use the runtime type of the exception and
// skip base types. (This matches the native EE behavior
// to expose a single property from the exception.)
flags &= ~ExpansionFlags.IncludeBaseMembers;
}
return(MemberExpansion.CreateExpansion(inspectionContext, declaredTypeAndInfo, value, flags, TypeHelpers.IsVisibleMember, this));
}