private static Value GetLiteralValue(DebugFieldInfo fieldInfo)
{
CorElementType corElemType = (CorElementType)fieldInfo.FieldProps.ConstantType;
if (corElemType == CorElementType.CLASS)
{
// Only null literals are allowed
return(Eval.CreateValue(fieldInfo.AppDomain, null));
}
else if (corElemType == CorElementType.STRING)
{
string str = Marshal.PtrToStringUni(fieldInfo.FieldProps.ConstantPtr, (int)fieldInfo.FieldProps.ConstantStringLength);
return(Eval.CreateValue(fieldInfo.AppDomain, str));
}
else
{
DebugType type = DebugType.CreateFromType(fieldInfo.AppDomain.Mscorlib, DebugType.CorElementTypeToManagedType(corElemType));
if (fieldInfo.FieldType.IsEnum && fieldInfo.FieldType.GetEnumUnderlyingType() == type)
{
Value val = Eval.NewObjectNoConstructor((DebugType)fieldInfo.FieldType);
Value backingField = val.GetMemberValue("value__");
backingField.CorGenericValue.SetValue(fieldInfo.FieldProps.ConstantPtr);
return(val);
}
else
{
Value val = Eval.NewObjectNoConstructor(type);
val.CorGenericValue.SetValue(fieldInfo.FieldProps.ConstantPtr);
return(val);
}
}
}
public static Value CreateValue(AppDomain appDomain, object value)
{
if (value == null)
{
ICorDebugClass corClass = appDomain.ObjectType.CorType.GetClass();
Thread thread = GetEvaluationThread(appDomain);
ICorDebugEval corEval = thread.CorThread.CreateEval();
ICorDebugValue corValue = corEval.CreateValue((uint)CorElementType.CLASS, corClass);
return(new Value(appDomain, corValue));
}
else if (value is string)
{
return(Eval.NewString(appDomain, (string)value));
}
else
{
if (!value.GetType().IsPrimitive)
{
throw new DebuggerException("Value must be primitve type. Seen " + value.GetType());
}
Value val = Eval.NewObjectNoConstructor(DebugType.CreateFromType(appDomain.Mscorlib, value.GetType()));
val.PrimitiveValue = value;
return(val);
}
}
// Box value type
public Value Box()
{
byte[] rawValue = this.CorGenericValue.GetRawValue();
// The type must not be a primive type (always true in current design)
ICorDebugReferenceValue corRefValue = Eval.NewObjectNoConstructor(this.Type).CorReferenceValue;
// Make the reference to box permanent
corRefValue = ((ICorDebugHeapValue2)corRefValue.Dereference()).CreateHandle(CorDebugHandleType.HANDLE_STRONG);
// Create new value
Value newValue = new Value(appDomain, corRefValue);
// Copy the data inside the box
newValue.CorGenericValue.SetRawValue(rawValue);
return(newValue);
}