public void Execute(CommandArguments args)
{
var op = args.NextString(string.Empty);
var session = SoftDebugger.Session;
if (session == null)
{
Logger.WriteErrorLine("No program loaded.");
return;
}
switch (op.ToLower())
{
case "add":
var expr = args.NextString();
var id = session.GenerateWatchId();
session.Watches.Add(id, expr);
Logger.WriteInfoLine("Added watch {0}: {1}", id, expr);
return;
case "del":
var delId = args.NextInt64();
session.Watches.Remove(delId);
Logger.WriteInfoLine("Deleted watch: {0}", delId);
return;
case "clear":
session.Watches.Clear();
Logger.WriteInfoLine("Cleared all watches.");
return;
case "":
var backtrace = SoftDebugger.Backtrace;
if (backtrace == null)
{
Logger.WriteErrorLine("No backtrace available.");
return;
}
var frame = backtrace.CurrentStackFrame;
if (frame == null)
{
Logger.WriteInfoLine("No stack frame available.");
return;
}
Logger.WriteInfoLine("Watches:");
foreach (var watch in session.Watches)
{
var evalExpr = watch.Value;
var prefix = string.Format("{0}: ({1}) =", watch.Key, evalExpr);
try
{
var result = frame.GetExpressionValue(evalExpr, true);
Logger.WriteInfoLine("{0} [{1}] {2}", prefix, result.TypeName, result.DisplayValue);
}
catch (Exception)
{
Logger.WriteErrorLine("{0} Error", prefix);
}
}
return;
}
Logger.WriteErrorLine("Unknown watch operation: {0}", op);
}