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using System;
using System.IO;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Runtime.Remoting.Lifetime;
using System.Text;
using ST = System.Threading;
using Mono.Debugger;
using MD = Mono.Debugger;
using ML = Mono.Debugger.Languages;
using DL = Mono.Debugging.Client;
using DB = Mono.Debugging.Backend;
using Mono.Debugging.Client;
using Mono.Debugging.Evaluation;
using Mono.Debugging.Backend.Mdb;
namespace DebuggerServer
{
class DebuggerServer : MarshalByRefObject, IDebuggerServer, ISponsor
{
IDebuggerController controller;
MD.Debugger debugger;
MD.DebuggerSession session;
MD.Process process;
MD.GUIManager guiManager;
MdbAdaptor mdbAdaptor;
int max_frames;
List<ST.WaitCallback> stoppedWorkQueue = new List<ST.WaitCallback> ();
List<ST.WaitCallback> eventQueue = new List<ST.WaitCallback> ();
bool initializing;
bool running;
bool exited;
NRefactoryEvaluator evaluator = new NRefactoryEvaluator ();
MD.Thread activeThread;
Dictionary<int,BreakEvent> events = new Dictionary<int,BreakEvent> ();
Dictionary<int,string> lastConditionValue = new Dictionary<int,string> ();
DateTime lastBreakEventUpdate = DateTime.Now;
Dictionary<int, ST.WaitCallback> breakUpdates = new Dictionary<int,ST.WaitCallback> ();
bool breakUpdateEventsQueued;
MdbObjectValueAdaptor mdbObjectValueAdaptor;
const int BreakEventUpdateNotifyDelay = 500;
public DebuggerSessionOptions SessionOptions;
public DebuggerServer (IDebuggerController dc)
{
this.controller = dc;
mdbObjectValueAdaptor = new MdbObjectValueAdaptor ();
MarshalByRefObject mbr = (MarshalByRefObject)controller;
ILease lease = mbr.GetLifetimeService() as ILease;
lease.Register(this);
max_frames = 100;
ST.Thread t = new ST.Thread ((ST.ThreadStart)EventDispatcher);
t.IsBackground = true;
t.Start ();
}
public override object InitializeLifetimeService ()
{
return null;
}
public MdbObjectValueAdaptor MdbObjectValueAdaptor {
get { return mdbObjectValueAdaptor; }
}
public Mono.Debugging.Evaluation.ExpressionEvaluator Evaluator {
get { return evaluator; }
}
public MdbAdaptor MdbAdaptor {
get { return mdbAdaptor; }
}
#region IDebugger Members
public string InitializeMdb (string mdbVersion, int mdPid)
{
mdbAdaptor = MdbAdaptorFactory.CreateAdaptor (mdbVersion);
WatchParentProcess (mdPid);
return mdbAdaptor.MdbVersion;
}
void WatchParentProcess (int pid)
{
ST.Thread t = new ST.Thread (delegate () {
while (true) {
try {
System.Diagnostics.Process.GetProcessById (pid);
} catch {
ForceShutdown ();
}
ST.Thread.Sleep (1000);
}
});
t.IsBackground = true;
t.Start ();
}
void ForceShutdown ()
{
try {
Exit ();
} catch {
}
Environment.Exit (1);
}
public void Run (MonoDebuggerStartInfo startInfo, DebuggerSessionOptions sessionOptions)
{
try {
if (startInfo == null)
throw new ArgumentNullException ("startInfo");
Console.WriteLine ("MDB version: " + mdbAdaptor.MdbVersion);
this.SessionOptions = sessionOptions;
mdbAdaptor.StartInfo = startInfo;
Report.Initialize ();
DebuggerConfiguration config = new DebuggerConfiguration ();
config.LoadConfiguration ();
mdbAdaptor.Configuration = config;
mdbAdaptor.InitializeConfiguration ();
debugger = new MD.Debugger (config);
debugger.ModuleLoadedEvent += OnModuleLoadedEvent;
debugger.ModuleUnLoadedEvent += OnModuleUnLoadedEvent;
debugger.ProcessReachedMainEvent += delegate (MD.Debugger deb, MD.Process proc) {
OnInitialized (deb, proc);
};
if (startInfo.IsXsp) {
mdbAdaptor.SetupXsp ();
config.FollowFork = false;
}
config.OpaqueFileNames = false;
DebuggerOptions options = DebuggerOptions.ParseCommandLine (new string[] { startInfo.Command } );
options.WorkingDirectory = startInfo.WorkingDirectory;
Environment.CurrentDirectory = startInfo.WorkingDirectory;
options.StopInMain = false;
if (!string.IsNullOrEmpty (startInfo.Arguments))
options.InferiorArgs = ToArgsArray (startInfo.Arguments);
if (startInfo.EnvironmentVariables != null) {
foreach (KeyValuePair<string,string> env in startInfo.EnvironmentVariables)
options.SetEnvironment (env.Key, env.Value);
}
session = new MD.DebuggerSession (config, options, "main", null);
mdbAdaptor.Session = session;
mdbAdaptor.InitializeSession ();
ST.ThreadPool.QueueUserWorkItem (delegate {
// Run in a thread to avoid a deadlock, since NotifyStarted calls back to the client.
NotifyStarted ();
debugger.Run(session);
});
} catch (Exception e) {
Console.WriteLine ("error: " + e.ToString ());
throw;
}
}
public void AttachToProcess (long pid, DebuggerSessionOptions sessionOptions)
{
Report.Initialize ();
this.SessionOptions = sessionOptions;
DebuggerConfiguration config = new DebuggerConfiguration ();
mdbAdaptor.Configuration = config;
mdbAdaptor.InitializeConfiguration ();
config.LoadConfiguration ();
debugger = new MD.Debugger (config);
DebuggerOptions options = DebuggerOptions.ParseCommandLine (new string[0]);
options.StopInMain = false;
session = new MD.DebuggerSession (config, options, "main", (IExpressionParser) null);
mdbAdaptor.Session = session;
Process proc = debugger.Attach (session, (int)pid);
OnInitialized (debugger, proc);
ST.ThreadPool.QueueUserWorkItem (delegate {
NotifyStarted ();
});
}
public void Detach ()
{
CancelRuntimeInvokes ();
try {
debugger.Detach ();
} catch (Exception ex) {
Console.WriteLine (ex);
} finally {
running = false;
}
}
public void Stop ()
{
CancelRuntimeInvokes ();
QueueTask (delegate {
guiManager.Stop (process.MainThread);
});
}
public void Exit ()
{
CancelRuntimeInvokes ();
ResetTaskQueue ();
debugger.Kill ();
running = false;
}
public void NextLine ()
{
if (running)
throw new InvalidOperationException ("Target already running");
OnStartRunning ();
guiManager.StepOver (activeThread);
}
public void StepLine ()
{
if (running)
throw new InvalidOperationException ("Target already running");
OnStartRunning ();
guiManager.StepInto (activeThread);
}
public void StepInstruction ()
{
if (running)
throw new InvalidOperationException ("Target already running");
OnStartRunning ();
activeThread.StepInstruction ();
}
public void NextInstruction ()
{
if (running)
throw new InvalidOperationException ("Target already running");
OnStartRunning ();
activeThread.NextInstruction ();
}
public void Finish ()
{
if (running)
throw new InvalidOperationException ("Target already running");
OnStartRunning ();
guiManager.StepOut (activeThread);
}
public void Continue ()
{
if (running)
throw new InvalidOperationException ("Target already running");
OnStartRunning ();
QueueTask (delegate {
guiManager.Continue (activeThread);
});
}
public bool AllowBreakpointChanges {
get {
return mdbAdaptor == null || mdbAdaptor.AllowBreakEventChanges;
}
}
public int InsertBreakEvent (DL.BreakEvent be, bool enable)
{
CancelRuntimeInvokes ();
DL.Breakpoint bp = be as DL.Breakpoint;
MD.Event ev = null;
if (bp != null) {
MD.SourceLocation location = new MD.SourceLocation (bp.FileName, bp.Line);
MD.SourceBreakpoint sbp = new MD.SourceBreakpoint (session, ThreadGroup.Global, location);
mdbAdaptor.InitializeBreakpoint (sbp);
session.AddEvent (sbp);
ev = sbp;
}
else if (be is Catchpoint) {
Catchpoint cp = (Catchpoint) be;
ML.TargetType exc = null;
foreach (Module mod in process.Modules) {
exc = mod.Language.LookupType (cp.ExceptionName);
if (exc != null)
break;
}
if (exc == null)
throw new Exception ("Unknown exception type.");
ev = session.InsertExceptionCatchPoint (process.MainThread, ThreadGroup.Global, exc);
}
ev.IsEnabled = enable;
if (!initializing) {
lock (debugger) {
mdbAdaptor.ActivateEvent (ev);
}
}
if (bp != null && !running && !initializing && activeThread.CurrentFrame != null && !string.IsNullOrEmpty (bp.ConditionExpression) && bp.BreakIfConditionChanges) {
// Initial expression evaluation
MdbEvaluationContext ctx = new MdbEvaluationContext (activeThread, activeThread.CurrentFrame, SessionOptions.EvaluationOptions);
ML.TargetObject ob = EvaluateExp (ctx, bp.ConditionExpression);
if (ob != null)
lastConditionValue [ev.Index] = evaluator.TargetObjectToExpression (ctx, ob);
}
events [ev.Index] = be;
return ev.Index;
}
public void RemoveBreakEvent (int handle)
{
if (exited)
return;
CancelRuntimeInvokes ();
Event ev = session.GetEvent (handle);
mdbAdaptor.RemoveEvent (ev);
}
public void EnableBreakEvent (int handle, bool enable)
{
CancelRuntimeInvokes ();
Event ev = session.GetEvent (handle);
if (enable)
ev.Activate (process.MainThread);
else
ev.Deactivate (process.MainThread);
}
public object UpdateBreakEvent (object handle, DL.BreakEvent bp)
{
events [(int)handle] = bp;
return handle;
}
bool BreakEventCheck (MD.TargetEventArgs args)
{
MD.StackFrame frame = args.Frame;
if (!(args.Data is int))
return true;
int eventHandle = (int) args.Data;
DL.BreakEvent be;
if (!events.TryGetValue (eventHandle, out be))
return true;
// Check hit count
if (be.HitCount > 0) {
be.HitCount--;
DispatchEvent (delegate {
NotifyBreakEventUpdate (eventHandle, be.HitCount, null);
});
return false;
}
MdbEvaluationContext ctx = new MdbEvaluationContext (frame.Thread, frame, SessionOptions.EvaluationOptions);
DL.Breakpoint bp = be as DL.Breakpoint;
if (bp != null && !string.IsNullOrEmpty (bp.ConditionExpression)) {
ML.TargetObject val = EvaluateExp (ctx, bp.ConditionExpression);
if (val == null)
return false;
if (bp.BreakIfConditionChanges) {
string current = evaluator.TargetObjectToExpression (ctx, val);
string last;
bool found = lastConditionValue.TryGetValue (eventHandle, out last);
lastConditionValue [eventHandle] = current;
if (!found || last == current)
return false;
} else {
ML.TargetFundamentalObject fob = val as ML.TargetFundamentalObject;
if (fob == null)
return false;
object ob = fob.GetObject (frame.Thread);
if (!(ob is bool) || !(bool)ob)
return false;
}
}
switch (be.HitAction) {
case HitAction.Break:
return true;
case HitAction.CustomAction:
return controller.OnCustomBreakpointAction (be.CustomActionId, eventHandle);
case HitAction.PrintExpression:
if (string.IsNullOrEmpty (be.TraceExpression) || frame == null)
return false;
ML.TargetObject val = EvaluateExp (ctx, be.TraceExpression);
if (val != null) {
string str = evaluator.TargetObjectToString (ctx, val);
DispatchEvent (delegate {
controller.OnTargetOutput (false, str + "\n");
NotifyBreakEventUpdate (eventHandle, -1, str);
});
}
return false;
}
return false;
}
ML.TargetObject EvaluateExp (EvaluationContext ctx, string exp)
{
ValueReference var;
try {
EvaluationContext cctx = ctx.Clone ();
EvaluationOptions ops = cctx.Options;
ops.AllowMethodEvaluation = true;
cctx.Options = ops;
var = (ValueReference) Server.Instance.Evaluator.Evaluate (cctx, exp);
return (ML.TargetObject) var.Value;
} catch {
return null;
}
}
void NotifyBreakEventUpdate (int eventHandle, int hitCount, string lastTrace)
{
bool notify = false;
lock (breakUpdates)
{
int span = (int) (DateTime.Now - lastBreakEventUpdate).TotalMilliseconds;
if (span >= BreakEventUpdateNotifyDelay && !breakUpdateEventsQueued) {
// Last update was more than 0.5s ago. The update can be sent.
lastBreakEventUpdate = DateTime.Now;
notify = true;
} else {
// Queue the event notifications to avoid wasting too much time
breakUpdates [eventHandle] = delegate {
controller.UpdateBreakpoint (eventHandle, hitCount, lastTrace);
};
if (!breakUpdateEventsQueued) {
breakUpdateEventsQueued = true;
ST.ThreadPool.QueueUserWorkItem (delegate {
ST.Thread.Sleep (BreakEventUpdateNotifyDelay - span);
List<ST.WaitCallback> copy;
lock (breakUpdates) {
copy = new List<ST.WaitCallback> (breakUpdates.Values);
breakUpdates.Clear ();
breakUpdateEventsQueued = false;
lastBreakEventUpdate = DateTime.Now;
}
foreach (ST.WaitCallback wc in copy)
wc (null);
});
}
}
}
if (notify)
controller.UpdateBreakpoint (eventHandle, hitCount, lastTrace);
}
public ThreadInfo[] GetThreads (long processId)
{
MD.Process p = GetProcess (processId);
if (p == null)
return new ThreadInfo [0];
List<DL.ThreadInfo> list = new List<DL.ThreadInfo> ();
foreach (MD.Thread t in p.GetThreads ()) {
DL.ThreadInfo ct = CreateThreadInfo (t);
list.Add (ct);
}
return list.ToArray ();
}
public ProcessInfo[] GetProcesses ()
{
List<DL.ProcessInfo> list = new List<DL.ProcessInfo> ();
foreach (MD.Process p in debugger.Processes)
list.Add (new DL.ProcessInfo (p.ID, p.TargetApplication + " " + string.Join (" ", p.CommandLineArguments)));
return list.ToArray ();
}
ThreadInfo CreateThreadInfo (MD.Thread t)
{
string loc;
if (t.CurrentFrame != null && t.CurrentFrame.SourceLocation != null) {
loc = t.CurrentFrame.ToString ();
} else
loc = "<Unknown>";
return new ThreadInfo (t.Process.ID, t.ID, t.Name, loc);
}
public DL.Backtrace GetThreadBacktrace (long processId, long threadId)
{
MD.Thread t = GetThread (processId, threadId);
if (t != null && t.IsStopped)
return CreateBacktrace (t);
else
return null;
}
public void SetActiveThread (long processId, long threadId)
{
activeThread = GetThread (processId, threadId);
}
MD.Thread GetThread (long procId, long threadId)
{
MD.Process proc = GetProcess (procId);
if (proc != null) {
foreach (MD.Thread t in proc.GetThreads ()) {
if (t.ID == (int)threadId)
return t;
}
}
return null;
}
MD.Process GetProcess (long id)
{
foreach (MD.Process p in debugger.Processes) {
if (p.ID == (int)id)
return p;
}
return null;
}
public AssemblyLine[] DisassembleFile (string file)
{
CancelRuntimeInvokes ();
// Not working yet
return null;
/* SourceFile sourceFile = session.FindFile (file);
List<AssemblyLine> lines = new List<AssemblyLine> ();
foreach (MethodSource met in sourceFile.Methods) {
TargetAddress addr = met.NativeMethod.StartAddress;
TargetAddress endAddr = met.NativeMethod.EndAddress;
while (addr < endAddr) {
SourceAddress line = met.NativeMethod.LineNumberTable.Lookup (addr);
AssemblerLine aline = process.MainThread.DisassembleInstruction (met.NativeMethod, addr);
if (aline != null) {
if (line != null)
lines.Add (new DL.AssemblyLine (addr.Address, aline.Text, line.Row));
else
lines.Add (new DL.AssemblyLine (addr.Address, aline.Text));
addr += aline.InstructionSize;
} else
addr++;
}
}
lines.Sort (delegate (DL.AssemblyLine l1, DL.AssemblyLine l2) {
return l1.SourceLine.CompareTo (l2.SourceLine);
});
return lines.ToArray ();
*/
}
#endregion
public void Dispose ()
{
MarshalByRefObject mbr = (MarshalByRefObject)controller;
ILease lease = mbr.GetLifetimeService() as ILease;
lease.Unregister(this);
}
public void WriteDebuggerOutput (string msg, params object[] args)
{
DispatchEvent (delegate {
controller.OnDebuggerOutput (false, string.Format (msg, args));
});
}
public void WriteDebuggerError (Exception ex)
{
if (ex is EvaluatorException)
Console.WriteLine (ex.Message);
else
Console.WriteLine (ex);
}
public ML.TargetObject RuntimeInvoke (MdbEvaluationContext ctx, ML.TargetFunctionType function,
ML.TargetStructObject object_argument,
params ML.TargetObject[] param_objects)
{
MethodCall mc = new MethodCall (ctx, function, object_argument, param_objects);
ctx.Adapter.AsyncExecute (mc, ctx.Options.EvaluationTimeout);
return mc.ReturnValue;
}
DL.Backtrace CreateBacktrace (MD.Thread thread)
{
List<MD.StackFrame> frames = new List<MD.StackFrame> ();
DateTime t = DateTime.Now;
if (!thread.CurrentFrame.Language.IsManaged) {
MD.Backtrace bt = thread.GetBacktrace (MD.Backtrace.Mode.Native, max_frames);
if (bt != null) {
Console.WriteLine ("GetBacktrace native time: {0} ms n:{1}", (DateTime.Now - t).TotalMilliseconds, bt.Count);
frames.AddRange (bt.Frames);
}
} else {
t = DateTime.Now;
MD.Backtrace backtrace = thread.GetBacktrace (MD.Backtrace.Mode.Managed, max_frames);
if (backtrace != null) {
Console.WriteLine ("GetBacktrace managed time: {0} ms n:{1}", (DateTime.Now - t).TotalMilliseconds, backtrace.Count);
frames.AddRange (backtrace.Frames);
}
}
if (frames.Count > 0) {
BacktraceWrapper wrapper = new BacktraceWrapper (frames.ToArray ());
return new DL.Backtrace (wrapper);
} else if (thread.CurrentBacktrace != null) {
BacktraceWrapper wrapper = new BacktraceWrapper (thread.CurrentBacktrace.Frames);
return new DL.Backtrace (wrapper);
}
return null;
}
#region ISponsor Members
public TimeSpan Renewal(ILease lease)
{
return TimeSpan.FromSeconds(7);
}
#endregion
private void OnInitialized (MD.Debugger debugger, Process process)
{
Console.WriteLine (">> OnInitialized");
this.process = process;
this.debugger = debugger;
mdbAdaptor.Process = process;
guiManager = process.StartGUIManager ();
//FIXME: conditionally add event handlers
process.TargetOutputEvent += OnTargetOutput;
debugger.ProcessCreatedEvent += OnProcessCreatedEvent;
debugger.ProcessExecdEvent += OnProcessExecdEvent;
debugger.ProcessExitedEvent += OnProcessExitedEvent;
debugger.ThreadCreatedEvent += OnThreadCreatedEvent;
debugger.ThreadExitedEvent += OnThreadExitedEvent;
debugger.TargetExitedEvent += OnTargetExitedEvent;
guiManager.TargetEvent += OnTargetEvent;
// Not supported
//guiManager.BreakpointHitHandler = BreakEventCheck;
activeThread = process.MainThread;
running = true;
Console.WriteLine ("<< OnInitialized");
}
void NotifyStarted ()
{
try {
initializing = true;
controller.NotifyStarted();
initializing = false;
} catch (Exception ex) {
Console.WriteLine (ex);
}
}
void OnTargetOutput (bool is_stderr, string text)
{
DispatchEvent (delegate {
controller.OnTargetOutput (is_stderr, text);
});
}
void QueueTask (ST.WaitCallback cb)
{
lock (debugger) {
if (stoppedWorkQueue.Count > 0)
stoppedWorkQueue.Add (cb);
else
cb (null);
}
}
void ResetTaskQueue ()
{
lock (debugger) {
stoppedWorkQueue.Clear ();
}
}
void LogEvent (MD.TargetEventArgs args)
{
Console.WriteLine ("Server OnTargetEvent: {0} stopped:{1} data:{2} queue:{3} thread:{4} running:{5}", args.Type, args.IsStopped, args.Data, stoppedWorkQueue.Count, args.Frame != null ? args.Frame.Thread : null, running);
}
private void OnTargetEvent (MD.Thread thread, MD.TargetEventArgs args)
{
try {
if (!running) {
LogEvent (args);
return;
}
bool notifyToClient = args.IsStopped || args.Type == MD.TargetEventType.UnhandledException || args.Type == MD.TargetEventType.Exception || args.Type == MD.TargetEventType.TargetInterrupted;
LogEvent (args);
bool isStop = args.Type != MD.TargetEventType.FrameChanged &&
args.Type != MD.TargetEventType.TargetExited &&
args.Type != MD.TargetEventType.TargetRunning;
if (isStop) {
lock (debugger) {
if (stoppedWorkQueue.Count > 0) {
// Execute queued work in another thread with a small delay
// since it is not safe to execute it here
System.Threading.ThreadPool.QueueUserWorkItem (delegate {
System.Threading.Thread.Sleep (50);
bool resume = false;
lock (debugger) {
foreach (ST.WaitCallback cb in stoppedWorkQueue) {
cb (null);
}
stoppedWorkQueue.Clear ();
}
if (resume)
guiManager.Continue (process.MainThread);
else if (notifyToClient)
NotifyTargetEvent (thread, args);
});
return;
}
}
}
if (notifyToClient)
NotifyTargetEvent (thread, args);
} catch (Exception e) {
Console.WriteLine ("*** DS.OnTargetEvent1, exception : {0}", e.ToString ());
}
}
void NotifyTargetEvent (MD.Thread thread, MD.TargetEventArgs args)
{
if (args.Frame != null)
activeThread = args.Frame.Thread;
try {
if (args.Type == MD.TargetEventType.TargetStopped && ((int)args.Data) != 0) {
DispatchEvent (delegate {
controller.OnDebuggerOutput (false, string.Format ("Thread {0:x} received signal {1}.\n", args.Frame.Thread.ID, args.Data));
});
}
DL.TargetEventType type;
switch (args.Type) {
case MD.TargetEventType.Exception: type = DL.TargetEventType.ExceptionThrown; break;
case MD.TargetEventType.TargetHitBreakpoint: type = DL.TargetEventType.TargetHitBreakpoint; break;
case MD.TargetEventType.TargetInterrupted: type = DL.TargetEventType.TargetInterrupted; break;
case MD.TargetEventType.TargetSignaled: type = DL.TargetEventType.TargetSignaled; break;
case MD.TargetEventType.TargetStopped: type = DL.TargetEventType.TargetStopped; break;
case MD.TargetEventType.UnhandledException: type = DL.TargetEventType.UnhandledException; break;
default:
return;
}
OnCleanFrameData ();
DL.TargetEventArgs targetArgs = new DL.TargetEventArgs (type);
if (args.Type != MD.TargetEventType.TargetExited) {
targetArgs.Backtrace = CreateBacktrace (thread);
targetArgs.Thread = CreateThreadInfo (activeThread);
}
if ((args.Type == MD.TargetEventType.UnhandledException || args.Type == MD.TargetEventType.Exception) && (args.Data is TargetAddress)) {
MdbEvaluationContext ctx = new MdbEvaluationContext (args.Frame.Thread, args.Frame, SessionOptions.EvaluationOptions);
targetArgs.Exception = LiteralValueReference.CreateTargetObjectLiteral (ctx, "Exception", args.Frame.ExceptionObject).CreateObjectValue ();
}
running = false;
DispatchEvent (delegate {
controller.OnTargetEvent (targetArgs);
});
} catch (Exception e) {
Console.WriteLine ("*** DS.OnTargetEvent2, exception : {0}", e.ToString ());
}
}
void OnStartRunning ()
{
OnCleanFrameData ();
running = true;
}
void OnCleanFrameData ()
{
// Dispose all previous remote objects
RemoteFrameObject.DisconnectAll ();
CancelRuntimeInvokes ();
}
public void CancelRuntimeInvokes ()
{
mdbObjectValueAdaptor.CancelAsyncOperations ();
}
/* public void WaitRuntimeInvokes ()
{
invokeManager.WaitForAll ();
}
*/
private void OnProcessCreatedEvent (MD.Debugger debugger, MD.Process process)
{
WriteDebuggerOutput (string.Format ("Process {0} created.\n", process.ID));
}
private void OnProcessExitedEvent (MD.Debugger debugger, MD.Process process)
{
WriteDebuggerOutput (string.Format ("Process {0} exited.\n", process.ID));
}
private void OnProcessExecdEvent (MD.Debugger debugger, MD.Process process)
{
WriteDebuggerOutput (string.Format ("Process {0} execd.\n", process.ID));
}
private void OnThreadCreatedEvent (MD.Debugger debugger, MD.Thread thread)
{
WriteDebuggerOutput (string.Format ("Thread {0} created.\n", thread.ID));
}
private void OnThreadExitedEvent (MD.Debugger debugger, MD.Thread thread)
{
WriteDebuggerOutput (string.Format ("Thread {0} exited.\n", thread.ID));
}
private void OnModuleLoadedEvent (Module module)
{
SourceFile[] sfiles = module.Sources;
string[] files = new string [sfiles.Length];
for (int n=0; n<files.Length; n++)
files [n] = sfiles [n].FileName;
controller.NotifySourceFileLoaded (files);
WriteDebuggerOutput (string.Format ("Module loaded: {0}.\n", module.Name));
}
private void OnModuleUnLoadedEvent (Module module)
{
SourceFile[] sfiles = module.Sources;
string[] files = new string [sfiles.Length];
for (int n=0; n<files.Length; n++)
files [n] = sfiles [n].FileName;
controller.NotifySourceFileUnloaded (files);
WriteDebuggerOutput (string.Format ("Module unloaded: {0}.\n", module.Name));
}
private void OnTargetExitedEvent (MD.Debugger debugger)
{
exited = true;
DispatchEvent (delegate {
controller.OnDebuggerOutput (false, "Target exited.\n");
DL.TargetEventArgs args = new DL.TargetEventArgs (DL.TargetEventType.TargetExited);
controller.OnTargetEvent (args);
});
}
void DispatchEvent (ST.WaitCallback eventCallback)
{
lock (eventQueue) {
eventQueue.Add (eventCallback);
ST.Monitor.PulseAll (eventQueue);
}
}
void EventDispatcher ()
{
while (true) {
ST.WaitCallback[] cbs;
lock (eventQueue) {
if (eventQueue.Count == 0)
ST.Monitor.Wait (eventQueue);
cbs = new ST.WaitCallback [eventQueue.Count];
eventQueue.CopyTo (cbs, 0);
eventQueue.Clear ();
}
foreach (ST.WaitCallback wc in cbs) {
try {
wc (null);
} catch (Exception ex) {
Console.WriteLine (ex);
}
}
}
}
string[] ToArgsArray (string str)
{
List<string> args = new List<string> ();
bool escaping = false;
StringBuilder currentArg = new StringBuilder ();
for (int n=0; n<str.Length; n++) {
char c = str [n];
if (c == '\\' && n + 1 < str.Length) {
if (!escaping || (escaping && (str[n+1] == '"' || str[n+1] == '\\')))
c = str [++n];
} else if (c == '"') {
escaping = !escaping;
continue;
} else if (c == ' ' && !escaping) {
args.Add (currentArg.ToString ());
currentArg = new StringBuilder ();
continue;
}
currentArg.Append (c);
}
if (currentArg.Length > 0)
args.Add (currentArg.ToString ());
return args.ToArray ();
}
}
}
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