public static string GetDisplayValue(this ClrInstanceField self, ClrObject clrObject)
{
if (self.IsObjectReference)
{
var obj = clrObject.GetObjectField(self.Name);
if (obj.IsNull)
{
return("null");
}
return($"0x{obj.Address:X} [{obj.Type.Name}:0x{obj.Type.MethodTable:X}]");
}
else if (self.HasSimpleValue)
{
return(self.GetValue(clrObject.Address).ToString());
}
else if (self.IsValueClass)
{
var vt = clrObject.GetValueClassField(self.Name);
return($"0x{vt.Address:X} [struct {vt.Type.Name}:0x{vt.Type.MethodTable:X}]");
}
else
{
return("<unknown value>");
}
}
internal static ClrValueClass?TryGetValueClassField(this ClrObject clrObject, string fieldName)
{
if (!clrObject.IsNull)
{
var field = clrObject.Type.GetFieldByName(fieldName);
if (field != null && field.Type.IsValueClass)
{
// System.Console.WriteLine("{0} {1:x} Field {2} {3} {4} {5}", clrObject.Type.Name, clrObject.Address, fieldName, field.Type.Name, field.Type.IsValueClass, field.Type.IsRuntimeType);
return(clrObject.GetValueClassField(fieldName));
}
}
return(null);
}
public void GetValueClassField_WhenFieldFound_ReturnsField([Frozen] ClrHeap heap, ClrValueClass target, [Frozen] ClrType clrObjectType, ClrObject clrObject, ClrInstanceField clrObjValueField)
{
// Arrange
clrObjValueField.IsValueClass.Returns(true);
clrObjValueField.Type.Returns(target.Type);
clrObjValueField
.GetAddress(clrObject.Address)
.Returns(target.Address);
// Act
var structRefFieldTarget = clrObject.GetValueClassField(clrObjValueField.Name);
// Assert
structRefFieldTarget.Equals(target).Should().BeTrue();
}
/// <summary> /// Gets the value class field. /// </summary> /// <param name="fieldName">Name of the field.</param> /// <returns>IClrValueClass.</returns> /// <inheritdoc /> public IClrValueClass GetValueClassField(string fieldName) => Converter.Convert(Object.GetValueClassField(fieldName));