private void Unbox(ref CorValue value)
{
CorBoxValue boxVal = value.CastToBoxValue();
if (boxVal != null)
value = boxVal.GetObject();
}
private void Initialize(string name, CorValue value)
{
m_name = name;
m_corValue = value;
}
/// <summary>
/// Creates a new instance of the MDbgValue Object.
/// This constructor is public so that applications can use this class to print values (CorValue).
/// CorValue's can be returned for example by funceval(CorEval.Result).
/// </summary>
/// <param name="process">The Process that will own the Value.</param>
/// <param name="name">The name of the variable.</param>
/// <param name="value">The CorValue that this MDbgValue will start with.</param>
public MDbgValue( string name, CorValue value)
{
Initialize( name, value);
}
/// <summary>
/// Recursively dereference the input value until we finally find a non-dereferenceable
/// value. Along the way, optionally build up a "ptr string" that shows the addresses
/// we dereference, separated by "->".
/// </summary>
/// <param name="value">Value to dereference</param>
/// <param name="ptrStringBuilder">StringBuilder if caller wants us to generate
/// a "ptr string" (in which case we'll stick it there). If caller doesn't want
/// a ptr string, this can be null</param>
/// <returns>CorValue we arrive at after dereferencing as many times as we can</returns>
private CorValue Dereference(CorValue value, StringBuilder ptrStringBuilder)
{
while (true)
{
CorReferenceValue rv = value.CastToReferenceValue();
if (rv == null)
break; // not a reference
if (ptrStringBuilder != null)
{
if (ptrStringBuilder.Length > 0)
{
ptrStringBuilder.Append("->");
}
ptrStringBuilder.Append("0x" + rv.Value.ToString("X", System.Globalization.CultureInfo.CurrentUICulture));
}
// Bail as soon as we hit a reference to NULL
if (rv.IsNull)
return null; // reference to null
CorValue newValue = null;
try
{
newValue = rv.Dereference();
}
catch (COMException ce)
{
// Check for any errors that are expected
if (ce.ErrorCode != (int)HResult.CORDBG_E_VALUE_POINTS_TO_FUNCTION)
{
throw; // some other error
}
}
if (newValue == null)
break; // couldn't dereference the reference (eg. void*)
value = newValue;
}
return value;
}
/// <summary>
/// Creates a new instance of the MDbgValue Object.
/// This constructor is public so that applications can use this class to print values (CorValue).
/// CorValue's can be returned for example by funceval(CorEval.Result).
/// </summary>
/// <param name="value">The CorValue that this MDbgValue will start with.</param>
public MDbgValue( CorValue value)
{
// value can be null, but we should always know what process we are
// looking at.
Initialize( null, value);
}