public StackFrame(Debugger debugger, CorFrame frame, int frameNo)
{
debugger.Dispatcher.VerifyAccess();
this.debugger = debugger;
this.frame = frame;
this.frameNo = frameNo;
this.hashCode = frame.GetHashCode();
this.ilFrameIP = new Contracts.Scripting.Debugger.ILFrameIP(frame.ILFrameIP.Offset, (MappingResult)frame.ILFrameIP.Mapping);
this.nativeFrameIP = frame.NativeFrameIP;
this.token = frame.Token;
this.stackStart = frame.StackStart;
this.stackEnd = frame.StackEnd;
this.sfFlags = 0;
if (frame.IsILFrame)
{
this.sfFlags |= SFFlags.ILFrame;
}
if (frame.IsInternalFrame)
{
this.sfFlags |= SFFlags.InternalFrame;
}
if (frame.IsNativeFrame)
{
this.sfFlags |= SFFlags.NativeFrame;
}
if (frame.IsRuntimeUnwindableFrame)
{
this.sfFlags |= SFFlags.RuntimeUnwindableFrame;
}
}
public static uint GetILOffset(this CorFrame frame)
{
var ip = frame.ILFrameIP;
if (ip.IsExact || ip.IsApproximate)
{
return(ip.Offset);
}
if (ip.IsProlog)
{
return(0);
}
if (ip.IsEpilog)
{
var asm = frame.GetSerializedDnModuleWithAssembly();
if (asm != null)
{
var loadedAsm = MainWindow.Instance.LoadAssembly(asm.Value.Assembly, asm.Value.Module);
var mod = loadedAsm == null ? null : loadedAsm.ModuleDefinition as ModuleDefMD;
var md = mod == null ? null : mod.ResolveToken(frame.Token) as MethodDef;
if (md != null && md.Body != null && md.Body.Instructions.Count > 0)
{
return(md.Body.Instructions[md.Body.Instructions.Count - 1].Offset);
}
}
}
return(uint.MaxValue);
}
KeyValuePair <ModuleTokenId, uint>?GetModuleTokenId(CorFrame frame)
{
if (!frame.IsILFrame)
{
return(null);
}
var ip = frame.ILFrameIP;
if (!ip.IsExact && !ip.IsApproximate && !ip.IsProlog && !ip.IsEpilog)
{
return(null);
}
uint token = frame.Token;
if (token == 0)
{
return(null);
}
var mod = frame.DnModuleId;
if (mod == null)
{
return(null);
}
return(new KeyValuePair <ModuleTokenId, uint>(new ModuleTokenId(mod.Value.ToModuleId(), frame.Token), ip.Offset));
}
public static uint GetILOffset(this CorFrame frame, IModuleLoader moduleLoader)
{
var ip = frame.ILFrameIP;
if (ip.IsExact || ip.IsApproximate)
{
return(ip.Offset);
}
if (ip.IsProlog)
{
return(0);
}
if (ip.IsEpilog)
{
var func = frame.Function;
var file = func == null ? null : moduleLoader.LoadModule(func.Module, true);
var mod = file == null ? null : file.ModuleDef;
var md = mod == null ? null : mod.ResolveToken(frame.Token) as MethodDef;
if (md != null && md.Body != null && md.Body.Instructions.Count > 0)
{
return(md.Body.Instructions[md.Body.Instructions.Count - 1].Offset);
}
}
return(uint.MaxValue);
}
public static uint GetILOffset(this CorFrame frame, IModuleLoader moduleLoader)
{
var ip = frame.ILFrameIP;
if (ip.IsExact || ip.IsApproximate)
{
return(ip.Offset);
}
if (ip.IsProlog)
{
return(0);
}
if (ip.IsEpilog)
{
var mod = moduleLoader.LoadModule(frame.Function?.Module, canLoadDynFile: true, isAutoLoaded: true)?.ModuleDef;
var md = mod?.ResolveToken(frame.Token) as MethodDef;
if (md != null && md.Body != null && md.Body.Instructions.Count > 0)
{
return(md.Body.Instructions[md.Body.Instructions.Count - 1].Offset);
}
}
return(uint.MaxValue);
}
public static CachedOutput Create(CorFrame frame, TypePrinterFlags flags)
{
var output = new TypeOutput();
frame.Write(output, flags);
return(output.cachedOutput);
}
public CallStackFrameVM(ICallStackFrameContext context, int index, CorFrame frame, DnProcess process)
{
this.context = context;
this.index = index;
this.frame = frame;
this.process = process;
}
private void AddLocalVariablesToList(CorFrame frame, int ip, ArrayList listToAdd, ISymbolScope scope)
{
Debug.Assert(frame.FunctionToken == m_function.Token);
foreach (ISymbolVariable isv in scope.GetLocals())
{
Debug.Assert(isv.AddressKind == SymAddressKind.ILOffset);
CorValue v = null;
try
{
v = frame.GetLocalVariable(isv.AddressField1);
}
catch (System.Runtime.InteropServices.COMException e)
{
if (e.ErrorCode != (int)Microsoft.Samples.Debugging.CorDebug.HResult.CORDBG_E_IL_VAR_NOT_AVAILABLE)
{
throw;
}
}
listToAdd.Add(new MDbgValue(m_module.Process, isv.Name, v));
}
foreach (ISymbolScope s in scope.GetChildren())
{
if (s.StartOffset <= ip && s.EndOffset >= ip)
{
AddLocalVariablesToList(frame, ip, listToAdd, s);
}
}
}
DbgEngineStackFrame CreateEngineStackFrame(CorFrame corFrame)
{
engine.DebuggerThread.VerifyAccess();
if (corFrame.IsILFrame)
{
var func = corFrame.Function;
if (func is null)
{
return(CreateErrorStackFrame());
}
var module = engine.TryGetModule(func.Module);
if (module is null)
{
return(CreateErrorStackFrame());
}
return(new ILDbgEngineStackFrame(engine, module, corFrame, dnThread, func, dbgDotNetNativeCodeLocationFactory, dbgDotNetCodeLocationFactory));
}
if (corFrame.IsInternalFrame)
{
return(engine.ObjectFactory.CreateSpecialStackFrame(GetInternalFrameTypeName(corFrame)));
}
if (corFrame.IsNativeFrame)
{
var name = string.Format(dnSpy_Debugger_DotNet_CorDebug_Resources.StackFrame_NativeFrame, "0x" + corFrame.NativeFrameIP.ToString("X8"));
return(engine.ObjectFactory.CreateSpecialStackFrame(name));
}
return(CreateErrorStackFrame());
}
void GotStepRanges(CorFrame frame, uint offset, object tag, bool isStepInto, GetCodeRangeResult result, uint continueCounter)
{
engine.VerifyCorDebugThread();
if (IsClosed)
{
return;
}
if (stepData != null)
{
return;
}
if (continueCounter != dnThread.Debugger.ContinueCounter || frame.IsNeutered)
{
RaiseStepComplete(thread, tag, "Internal error");
return;
}
// If we failed to find the statement ranges (result.Success == false), step anyway.
// We'll just step until the next sequence point instead of not doing anything.
var ranges = result.Success ? ToStepRanges(result.StatementRanges) : new StepRange[] { new StepRange(offset, offset + 1) };
CorStepper newCorStepper = null;
var dbg = dnThread.Debugger;
if (isStepInto)
{
newCorStepper = dbg.StepInto(frame, ranges, (_, e) => StepCompleted(e, newCorStepper, tag));
}
else
{
newCorStepper = dbg.StepOver(frame, ranges, (_, e) => StepCompleted(e, newCorStepper, tag));
}
SaveStepper(newCorStepper, tag);
}
public static bool CanGoToDisasm(CorFrame frame) {
if (frame == null)
return false;
if (!frame.IsNativeFrame)
return false;
return false;//TODO:
}
public static bool GoTo(IModuleIdProvider moduleIdProvider, IDocumentTabService documentTabService, IModuleLoader moduleLoader, CorFrame frame, bool newTab) {
if (GoToIL(moduleIdProvider, documentTabService, moduleLoader, frame, newTab))
return true;
//TODO: eg. native frame or internal frame
return false;
}
public static bool GoTo(IFileTabManager fileTabManager, IModuleLoader moduleLoader, CorFrame frame, bool newTab) {
if (GoToIL(fileTabManager, moduleLoader, frame, newTab))
return true;
//TODO: eg. native frame or internal frame
return false;
}
public static bool GoTo(CorFrame frame, bool newTab) {
if (GoToIL(frame, newTab))
return true;
//TODO: eg. native frame or internal frame
return false;
}
DbgModule TryGetModule(CorFrame frame, CorThread thread)
{
if (frame == null)
{
frame = thread?.ActiveFrame ?? thread?.AllFrames.FirstOrDefault();
}
return(TryGetModule(frame?.Function?.Module));
}
public static bool GoToDisasm(CorFrame frame)
{
if (!CanGoToDisasm(frame))
{
return(false);
}
return(false); //TODO:
}
void CheckTimestamp( )
{
if (evalTimestamp != CorDebuggerSession.EvaluationTimestamp)
{
thread = null;
frame = null;
corEval = null;
}
}
public override void CopyFrom(EvaluationContext ctx)
{
base.CopyFrom(ctx);
frame = ((CorEvaluationContext)ctx).frame;
frameIndex = ((CorEvaluationContext)ctx).frameIndex;
evalTimestamp = ((CorEvaluationContext)ctx).evalTimestamp;
Thread = ((CorEvaluationContext)ctx).Thread;
Session = ((CorEvaluationContext)ctx).Session;
}
public static bool GoToIL(IFileTabManager fileTabManager, IModuleLoader moduleLoader, CorFrame frame, bool newTab) {
if (!CanGoToIL(frame))
return false;
var func = frame.Function;
if (func == null)
return false;
return DebugUtils.GoToIL(fileTabManager, moduleLoader.LoadModule(func.Module, true), frame.Token, frame.GetILOffset(moduleLoader), newTab);
}
public ValueContext(ILocalsOwner localsOwner, CorFrame frame, DnThread thread) {
this.LocalsOwner = localsOwner;
this.Thread = thread;
this.Process = thread.Process;
// Read everything immediately since the frame will be neutered when Continue() is called
this.FrameCouldBeNeutered = frame;
frame.GetTypeAndMethodGenericParameters(out genericTypeArguments, out genericMethodArguments);
this.Function = frame.Function;
}
public ExceptionThrownStopReason(CorAppDomain appDomain, CorThread thread, CorFrame frame,
int offset, CorDebugExceptionCallbackType eventType, int flags)
{
m_appDomain = appDomain;
m_thread = thread;
m_frame = frame;
m_offset = offset;
m_eventtype = eventType;
m_flags = flags;
}
public static bool GoToIL(CorFrame frame, bool newTab) {
if (!CanGoToIL(frame))
return false;
var func = frame.Function;
if (func == null)
return false;
return DebugUtils.GoToIL(ModuleLoader.Instance.LoadModule(func.Module, true), frame.Token, frame.GetILOffset(), newTab);
}
public static bool GoToIL(IModuleIdProvider moduleIdProvider, IDocumentTabService documentTabService, IModuleLoader moduleLoader, CorFrame frame, bool newTab) {
if (!CanGoToIL(frame))
return false;
var func = frame.Function;
if (func == null)
return false;
return DebugUtils.GoToIL(moduleIdProvider, documentTabService, moduleLoader.LoadModule(func.Module, canLoadDynFile: true, isAutoLoaded: true), frame.Token, frame.GetILOffset(moduleLoader), newTab);
}
public ValueContext(ILocalsOwner localsOwner, CorFrame frame, DnThread thread, IList<CorType> genericTypeArguments) {
this.LocalsOwner = localsOwner;
this.Thread = thread;
this.Process = thread.Process;
// Read everything immediately since the frame will be neutered when Continue() is called
this.FrameCouldBeNeutered = frame;
this.genericTypeArguments = genericTypeArguments;
this.genericMethodArguments = new CorType[0];
this.Function = frame == null ? null : frame.Function;
}
public static bool GoTo(CorFrame frame, bool newTab)
{
if (GoToIL(frame, newTab))
{
return(true);
}
//TODO: eg. native frame or internal frame
return(false);
}
CorFrame?FindFrame(CorFrame frame)
{
foreach (var f in dnThread.AllFrames)
{
if (f.StackStart == frame.StackStart && f.StackEnd == frame.StackEnd)
{
return(f);
}
}
return(null);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="frame">The CorFrame frame object</param>
/// <param name="importer">The meta data importer for the module this frame is contained within</param>
internal FrameInfo(CorFrame frame, CorMetadataImport importer)
{
if (frame == null)
{
throw new ArgumentNullException("frame");
}
if (importer == null)
{
throw new ArgumentNullException("importer");
}
thisFrame = frame;
metaImporter = importer;
functionShortName = "";
functionFullName = "";
moduleShortName = "";
moduleFullName = "";
functionFileName = null;
functionLineNumber = -1; //-1 is set by deafult which means no line number
SourcePosition functionPos = null; //position in this function where we are
//make binder and reader for the metadata
if (thisFrame.FrameType == CorFrameType.InternalFrame)
{
functionFullName = functionShortName = InternalFrameToString();
}
else
{
try
{
functionPos = GetMetaDataInfo(importer);
}
catch (Exception e)
{
// We are not able to find information about the source code
functionFileName = "unknown method: " + e.Message;
}
}
if (functionPos != null)
{
functionLineNumber = functionPos.Line;
functionFileName = Path.GetFileName(functionPos.Path);
}
else
{
functionLineNumber = -1; //no line number available
functionFileName = functionFileName ?? "source unavailable";
}
}
public ValueContext(ILocalsOwner localsOwner, CorFrame frame, DnThread thread, List <CorType> genericTypeArguments)
{
this.LocalsOwner = localsOwner;
this.Thread = thread;
this.Process = thread.Process;
// Read everything immediately since the frame will be neutered when Continue() is called
this.FrameCouldBeNeutered = frame;
this.genericTypeArguments = genericTypeArguments;
this.genericMethodArguments = new List <CorType>();
this.Function = frame?.Function;
}
public static bool CanGoToDisasm(CorFrame frame)
{
if (frame == null)
{
return(false);
}
if (!frame.IsNativeFrame)
{
return(false);
}
return(false); //TODO:
}
/// <summary>
/// Returns the caller of the frame.
/// </summary>
/// <param name="frame">frame to return the caller of</param>
/// <returns>the caller of the frame or null if the frame is the last frame in the chain</returns>
protected virtual MDbgFrame GetFrameCaller(MDbgFrame frame)
{
Debug.Assert(frame != null);
CorFrame f = frame.CorFrame.Caller;
if (f == null)
{
return(null);
}
return(new MDbgILFrame(Thread, f));
}
public static bool CanGoToIL(CorFrame frame) {
if (frame == null)
return false;
if (!frame.IsILFrame)
return false;
var ip = frame.ILFrameIP;
if (!ip.IsExact && !ip.IsApproximate && !ip.IsProlog && !ip.IsEpilog)
return false;
if (frame.Token == 0)
return false;
return true;
}
/// <summary>
/// Creates a new V2 StackWalker.
/// </summary>
/// <param name="thread">a thread object associated with the stackwalker</param>
/// <returns>object implementing MDbgStackWalker interface</returns>
public IEnumerable <MDbgFrame> EnumerateFrames(MDbgThread thread)
{
// To do stackwalking using V2 ICorDebug, we enumerate through the chains,
// and then enumerate each frame in every chain
CorChain chain = null;
try
{
chain = thread.CorThread.ActiveChain;
}
catch (System.Runtime.InteropServices.COMException ce)
{
// Sometimes we cannot get the callstack. For example, the thread
// may not be scheduled yet (CORDBG_E_THREAD_NOT_SCHEDULED),
// or the debuggee may be corrupt (CORDBG_E_BAD_THREAD_STATE).
// In either case, we'll ignore the problem and return an empty callstack.
Debug.Assert(ce.ErrorCode == (int)HResult.CORDBG_E_BAD_THREAD_STATE ||
ce.ErrorCode == (int)HResult.CORDBG_E_THREAD_NOT_SCHEDULED);
}
while (chain != null)
{
if (chain.IsManaged)
{
// Enumerate managed frames
// A chain may have 0 managed frames.
CorFrame f = chain.ActiveFrame;
while (f != null)
{
MDbgFrame frame = new MDbgILFrame(thread, f);
f = f.Caller;
yield return(frame);
}
}
else
{
// ICorDebug doesn't unwind unmanaged frames. Need to let a native-debug component handle that.
foreach (MDbgFrame frame in UnwindNativeFrames(thread, chain))
{
yield return(frame);
}
}
// Move to next chain
chain = chain.Caller;
}
}
public static bool GoToIL(CorFrame frame, bool newTab)
{
if (!CanGoToIL(frame))
{
return(false);
}
var func = frame.Function;
if (func == null)
{
return(false);
}
return(DebugUtils.GoToIL(ModuleLoader.Instance.LoadModule(func.Module, true), frame.Token, frame.GetILOffset(), newTab));
}
void GetStepRanges(CorFrame frame, object tag, bool isStepInto)
{
engine.VerifyCorDebugThread();
var module = engine.TryGetModule(frame.Function?.Module);
var offset = GetILOffset(frame);
if (module == null || offset == null)
{
SaveStepper(null, tag);
}
else
{
uint continueCounter = dnThread.Debugger.ContinueCounter;
dbgDotNetCodeRangeService.GetCodeRanges(module, frame.Token, offset.Value, result => engine.CorDebugThread(() => GotStepRanges(frame, tag, isStepInto, result, continueCounter)));
}
}
public static bool GoToIL(CorFrame frame, bool newTab)
{
if (!CanGoToIL(frame))
{
return(false);
}
var serAsm = frame.GetSerializedDnModuleWithAssembly();
if (serAsm == null)
{
return(false);
}
return(DebugUtils.GoToIL(serAsm.Value, frame.Token, frame.GetILOffset(), newTab));
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="frame">The CorFrame frame object</param>
/// <param name="importer">The meta data importer for the module this frame is contained within</param>
internal FrameInfo(CorFrame frame, CorMetadataImport importer)
{
if (frame == null)
{
throw new ArgumentNullException("frame");
}
if (importer == null)
{
throw new ArgumentNullException("importer");
}
thisFrame = frame;
metaImporter = importer;
functionShortName = "";
functionFullName = "";
moduleShortName = "";
moduleFullName = "";
functionFileName = "";
functionLineNumber = -1; //-1 is set by deafult which means no line number
SourcePosition functionPos = null; //position in this function where we are
//make binder and reader for the metadata
if (thisFrame.FrameType == CorFrameType.InternalFrame)
{
functionFullName = functionShortName = InternalFrameToString();
}
else
{
functionPos = GetMetaDataInfo(importer);
}
if (functionPos != null)
{
functionLineNumber = functionPos.Line;
functionFileName = Path.GetFileName(functionPos.Path);
}
else
{
ResourceManager stackStrings = new ResourceManager(typeof(Resources));
functionLineNumber = -1; //no line number available
functionFileName = stackStrings.GetString("sourceUnavailable");
}
}
public ValueContext(ILocalsOwner localsOwner, CorFrame frame, DnThread thread, DnProcess process) {
this.LocalsOwner = localsOwner;
this.Thread = thread;
this.Process = process;
Debug.Assert(thread == null || thread.Process == process);
// Read everything immediately since the frame will be neutered when Continue() is called
this.FrameCouldBeNeutered = frame;
if (frame == null) {
genericTypeArguments = genericMethodArguments = new List<CorType>();
this.Function = null;
}
else {
frame.GetTypeAndMethodGenericParameters(out genericTypeArguments, out genericMethodArguments);
this.Function = frame.Function;
}
}
static uint?GetILOffset(CorFrame frame)
{
var ip = frame.ILFrameIP;
if (ip.IsExact || ip.IsApproximate)
{
return(ip.Offset);
}
if (ip.IsProlog)
{
return(DbgDotNetCodeRangeService.PROLOG);
}
if (ip.IsEpilog)
{
return(DbgDotNetCodeRangeService.EPILOG);
}
return(null);
}
static string GetInternalFrameTypeName(CorFrame corFrame)
{
Debug.Assert(corFrame.IsInternalFrame);
switch (corFrame.InternalFrameType)
{
case CorDebugInternalFrameType.STUBFRAME_M2U:
return(dnSpy_Debugger_DotNet_CorDebug_Resources.StackFrame_ManagedToNativeTransition);
case CorDebugInternalFrameType.STUBFRAME_U2M:
return(dnSpy_Debugger_DotNet_CorDebug_Resources.StackFrame_NativeToManagedTransition);
case CorDebugInternalFrameType.STUBFRAME_APPDOMAIN_TRANSITION:
return(dnSpy_Debugger_DotNet_CorDebug_Resources.StackFrame_AppdomainTransition);
case CorDebugInternalFrameType.STUBFRAME_LIGHTWEIGHT_FUNCTION:
return(dnSpy_Debugger_DotNet_CorDebug_Resources.StackFrame_LightweightFunction);
case CorDebugInternalFrameType.STUBFRAME_FUNC_EVAL:
return(dnSpy_Debugger_DotNet_CorDebug_Resources.StackFrame_FunctionEvaluation);
case CorDebugInternalFrameType.STUBFRAME_INTERNALCALL:
return(dnSpy_Debugger_DotNet_CorDebug_Resources.StackFrame_InternalCall);
case CorDebugInternalFrameType.STUBFRAME_CLASS_INIT:
return(dnSpy_Debugger_DotNet_CorDebug_Resources.StackFrame_ClassInit);
case CorDebugInternalFrameType.STUBFRAME_EXCEPTION:
return(dnSpy_Debugger_DotNet_CorDebug_Resources.StackFrame_Exception);
case CorDebugInternalFrameType.STUBFRAME_SECURITY:
return(dnSpy_Debugger_DotNet_CorDebug_Resources.StackFrame_Security);
case CorDebugInternalFrameType.STUBFRAME_JIT_COMPILATION:
return(dnSpy_Debugger_DotNet_CorDebug_Resources.StackFrame_JITCompilation);
case CorDebugInternalFrameType.STUBFRAME_NONE:
Debug.Fail("Shouldn't be here");
goto default;
default:
return(string.Format(dnSpy_Debugger_DotNet_CorDebug_Resources.StackFrame_InternalFrame, "0x" + ((int)corFrame.InternalFrameType).ToString("X8")));
}
}
public ValueContext(ILocalsOwner localsOwner, CorFrame frame, DnThread thread, DnProcess process)
{
this.LocalsOwner = localsOwner;
this.Thread = thread;
this.Process = process;
Debug.Assert(thread == null || thread.Process == process);
// Read everything immediately since the frame will be neutered when Continue() is called
this.FrameCouldBeNeutered = frame;
if (frame == null)
{
genericTypeArguments = genericMethodArguments = new List <CorType>();
this.Function = null;
}
else
{
frame.GetTypeAndMethodGenericParameters(out genericTypeArguments, out genericMethodArguments);
this.Function = frame.Function;
}
}
public void SetFrame(CorFrame frame, DnProcess process)
{
this.frame = frame;
this.process = process;
if (cachedOutput == null || !HasPropertyChangedHandlers)
{
cachedOutput = null;
OnPropertyChanged("NameObject");
}
else
{
var newCachedOutput = CachedOutput.Create(frame, Context.TypePrinterFlags);
if (newCachedOutput.Equals(cachedOutput.Value))
{
return;
}
cachedOutput = newCachedOutput;
OnPropertyChanged("NameObject");
}
}
/// <summary>
/// Step into
/// </summary>
/// <param name="frame">Frame</param>
/// <param name="action">Delegate to call when completed or null</param>
/// <returns></returns>
public bool StepInto(CorFrame frame, Action<DnDebugger, StepCompleteDebugCallbackEventArgs> action = null)
{
DebugVerifyThread();
return StepIntoOver(frame, true, action);
}
public bool RunTo(CorFrame frame)
{
DebugVerifyThread();
var callee = GetRunToCallee(frame);
if (callee == null)
return false;
return StepOutInternal(callee, null);
}
/// <summary>
/// true if we can step into, step out or step over
/// </summary>
/// <param name="frame">Frame</param>
public bool CanStep(CorFrame frame)
{
DebugVerifyThread();
return ProcessState == DebuggerProcessState.Stopped && frame != null;
}
public bool CanRunTo(CorFrame frame)
{
DebugVerifyThread();
return GetRunToCallee(frame) != null;
}
bool StepOutInternal(CorFrame frame, Action<DnDebugger, StepCompleteDebugCallbackEventArgs> action)
{
if (!CanStep(frame))
return false;
var stepper = CreateStepper(frame);
if (stepper == null)
return false;
if (!stepper.StepOut())
return false;
stepInfos.Add(stepper, new StepInfo(action));
Continue();
return true;
}
public bool CanRunTo(CorFrame frame)
{
return ProcessState == DebuggerProcessState.Stopped && Debugger.CanRunTo(frame);
}
public CallStackFrameVM(ICallStackFrameContext context, int index, CorFrame frame, DnProcess process) {
this.context = context;
this.index = index;
this.frame = frame;
this.process = process;
}
CorStepper CreateStepper(CorFrame frame)
{
if (frame == null)
return null;
var stepper = frame.CreateStepper();
if (stepper == null)
return null;
if (!stepper.SetInterceptMask(debugOptions.StepperInterceptMask))
return null;
if (!stepper.SetUnmappedStopMask(debugOptions.StepperUnmappedStopMask))
return null;
if (!stepper.SetJMC(debugOptions.StepperJMC))
return null;
return stepper;
}
public static bool GoToDisasm(CorFrame frame) {
if (!CanGoToDisasm(frame))
return false;
return false;//TODO:
}
public CallStackFrameVM(CallStackVM owner, int index, CorFrame frame) {
this.owner = owner;
this.index = index;
this.frame = frame;
}
static MethodKey? CreateMethodKey(DnDebugger debugger, CorFrame frame)
{
var sma = frame.GetSerializedDnModuleWithAssembly();
if (sma == null)
return null;
return MethodKey.Create(frame.Token, sma.Value.Module);
}
internal void UpdateCurrentLocation(CorFrame frame)
{
var newLoc = GetCodeLocation(frame);
if (currentLocation == null || newLoc == null) {
currentLocation = newLoc;
UpdateCurrentMethod();
return;
}
if (!CodeLocation.SameMethod(currentLocation.Value, newLoc.Value)) {
currentLocation = newLoc;
UpdateCurrentMethod();
return;
}
currentLocation = newLoc;
}
public void RunTo(CorFrame frame)
{
if (!CanRunTo(frame))
return;
Debugger.RunTo(frame);
}
/// <summary>
/// Step out of current method in the selected frame
/// </summary>
/// <param name="frame">Frame</param>
/// <param name="action">Delegate to call when completed or null</param>
/// <returns></returns>
public bool StepOut(CorFrame frame, Action<DnDebugger, StepCompleteDebugCallbackEventArgs> action = null)
{
DebugVerifyThread();
return StepOutInternal(frame, action);
}
CorFrame GetRunToCallee(CorFrame frame)
{
if (!CanStep(frame))
return null;
if (frame == null)
return null;
if (!frame.IsILFrame)
return null;
var callee = frame.Callee;
if (callee == null)
return null;
if (!callee.IsILFrame)
return null;
return callee;
}
/// <summary>
/// Step over
/// </summary>
/// <param name="frame">Frame</param>
/// <param name="ranges">Ranges to step over</param>
/// <param name="action">Delegate to call when completed or null</param>
/// <returns></returns>
public bool StepOver(CorFrame frame, StepRange[] ranges, Action<DnDebugger, StepCompleteDebugCallbackEventArgs> action = null)
{
DebugVerifyThread();
return StepIntoOver(frame, ranges, false, action);
}
bool StepIntoOver(CorFrame frame, StepRange[] ranges, bool stepInto, Action<DnDebugger, StepCompleteDebugCallbackEventArgs> action = null)
{
if (ranges == null)
return StepIntoOver(frame, stepInto, action);
if (!CanStep(frame))
return false;
var stepper = CreateStepper(frame);
if (stepper == null)
return false;
if (!stepper.StepRange(stepInto, ranges))
return false;
stepInfos.Add(stepper, new StepInfo(action));
Continue();
return true;
}
CodeLocation? GetCodeLocation(CorFrame frame)
{
if (ProcessState != DebuggerProcessState.Stopped)
return null;
if (frame == null)
return null;
var sma = frame.GetSerializedDnModuleWithAssembly();
if (sma == null)
return null;
uint token = frame.Token;
if (token == 0)
return null;
return new CodeLocation(sma.Value, token, frame.GetILOffset(), frame.ILFrameIP.Mapping);
}
StepRange[] GetStepRanges(DnDebugger debugger, CorFrame frame, bool isStepInto)
{
if (frame == null)
return null;
if (!frame.IsILFrame)
return null;
if (frame.ILFrameIP.IsUnmappedAddress)
return null;
var key = CreateMethodKey(debugger, frame);
if (key == null)
return null;
MemberMapping mapping;
var textView = MainWindow.Instance.SafeActiveTextView;
var cm = textView.CodeMappings;
if (cm == null || !cm.TryGetValue(key.Value, out mapping)) {
// User has decompiled some other code or switched to another tab
UpdateCurrentMethod();
JumpToCurrentStatement(textView);
// It could be cached and immediately available. Check again
cm = textView.CodeMappings;
if (cm == null || !cm.TryGetValue(key.Value, out mapping))
return null;
}
bool isMatch;
var scm = mapping.GetInstructionByOffset(frame.GetILOffset(), out isMatch);
uint[] ilRanges;
if (scm == null)
ilRanges = mapping.ToArray(null, false);
else
ilRanges = scm.ToArray(isMatch);
if (ilRanges.Length == 0)
return null;
return CreateStepRanges(ilRanges);
}
