internal override BreakpointHandle Resolve(Thread target, StackFrame frame)
{
if (handle != null)
return handle;
SourceLocation location = Session.ParseLocation (
target, frame, LocationType, Name);
if (location == null)
throw new TargetException (TargetError.LocationInvalid);
handle = location.ResolveBreakpoint (Session, this);
return handle;
}