public BacktraceHandle(ProcessHandle process, Backtrace backtrace)
{
StackFrame[] bt_frames = backtrace.Frames;
if (bt_frames != null) {
frames = new FrameHandle [bt_frames.Length];
for (int i = 0; i < frames.Length; i++)
frames [i] = new FrameHandle (bt_frames [i]);
} else
frames = new FrameHandle [0];
}
public FrameHandle GetFrame(int number)
{
if (State == TargetState.NO_TARGET)
throw new EvaluationException ("No stack.");
else if (!process.IsStopped)
throw new EvaluationException ("{0} is not stopped.", Name);
if (number == -1) {
if (current_frame == null)
current_frame = new FrameHandle (process.CurrentFrame);
return current_frame;
}
GetBacktrace (-1);
if (number >= current_backtrace.Length)
throw new EvaluationException ("No such frame: {0}", number);
return current_backtrace [number];
}
public ProcessHandle(Process process, int pid)
: this(process)
{
if (process.HasTarget) {
if (!process.IsDaemon) {
StackFrame frame = process.CurrentFrame;
current_frame = new FrameHandle (frame);
}
}
}
public string[] GetNamespaces(FrameHandle frame)
{
IMethod method = frame.Frame.Method;
if ((method == null) || !method.HasSource)
return null;
MethodSource msource = method.Source;
if (msource.IsDynamic)
return null;
return msource.GetNamespaces ();
}
protected override Expression DoResolve(EvaluationContext context)
{
frame = context.CurrentFrame;
IMethod method = frame.Frame.Method;
if (method == null)
throw new EvaluationException (
"Keyword `this' not allowed: no current method.");
if (!method.HasThis)
throw new EvaluationException (
"Keyword `this' not allowed: current method is " +
"either static or unmanaged.");
var = method.This;
resolved = true;
return this;
}
Expression LookupMember(EvaluationContext context, FrameHandle frame,
string full_name)
{
return StructAccessExpression.FindMember (
context.This.TypeInfo.Type as ITargetStructType, frame.Frame,
(ITargetStructObject) context.This, false, full_name);
}
Expression Lookup(EvaluationContext context, FrameHandle frame)
{
string[] namespaces = context.GetNamespaces (frame);
if (namespaces == null)
return null;
foreach (string ns in namespaces) {
string full_name = MakeFQN (ns, name);
Expression expr = LookupMember (context, frame, full_name);
if (expr != null)
return expr;
}
return null;
}
