public CallInfo[] Collect(Mono.Cecil.MethodDefinition method, Func <Instruction, bool> filter = null)
{
//if (method.Name != "SimpleLogFromTryCatch"
// && method.Name != "EnqueueNoOpIfNeeded") return new CallInfo[0];
if (!method.HasBody)
{
return(new CallInfo[0]);
}
var body = method.Body;
if (method.Body.Instructions.Any(i => i.Is(OpCodes.Call, OpCodes.Callvirt) && filter(i)))
{
var function = ilReader.ReadIL(body);
var opsByOffset = body.Instructions.ToDictionary(instr => instr.Offset);
var transformContext = decompiler.CreateILTransformContext(function);
//foreach (var t in ILTransforms)
//{
// t.Run(function, transformContext);
//}
var collector = new BlockVisitor(function, i =>
{
var range = i.ILRange;
var op = opsByOffset[range.Start];
while (!op.Is(OpCodes.Call, OpCodes.Callvirt))
{
op = op.Next;
if (op.Offset > range.End)
{
return(false);
}
}
return(filter(op));
});
function.AcceptVisitor(collector);
if (collector.CallStarts.Count > 0)
{
var retval = new CallInfo[collector.CallStarts.Count];
var i = 0;
foreach (var(blockStart, callOffset) in collector.CallStarts)
{
retval[i++] = new CallInfo(opsByOffset[blockStart], opsByOffset[callOffset]);
}
return(retval);
}
}
return(new CallInfo[0]);
}
public override void DecompileMethod(IMethod method, ITextOutput output, DecompilationOptions options)
{
base.DecompileMethod(method, output, options);
var module = method.ParentModule.PEFile;
var metadata = module.Metadata;
var methodDef = metadata.GetMethodDefinition((SRM.MethodDefinitionHandle)method.MetadataToken);
if (!methodDef.HasBody())
{
return;
}
IAssemblyResolver assemblyResolver = module.GetAssemblyResolver();
var typeSystem = new DecompilerTypeSystem(module, assemblyResolver);
var reader = new ILReader(typeSystem.MainModule);
reader.UseDebugSymbols = options.DecompilerSettings.UseDebugSymbols;
var methodBody = module.Reader.GetMethodBody(methodDef.RelativeVirtualAddress);
ILFunction il = reader.ReadIL((SRM.MethodDefinitionHandle)method.MetadataToken, methodBody, kind: ILFunctionKind.TopLevelFunction, cancellationToken: options.CancellationToken);
var decompiler = new CSharpDecompiler(typeSystem, options.DecompilerSettings)
{
CancellationToken = options.CancellationToken
};
ILTransformContext context = decompiler.CreateILTransformContext(il);
context.Stepper.StepLimit = options.StepLimit;
context.Stepper.IsDebug = options.IsDebug;
try
{
il.RunTransforms(transforms, context);
}
catch (StepLimitReachedException)
{
}
catch (Exception ex)
{
output.WriteLine(ex.ToString());
output.WriteLine();
output.WriteLine("ILAst after the crash:");
}
finally
{
// update stepper even if a transform crashed unexpectedly
if (options.StepLimit == int.MaxValue)
{
Stepper = context.Stepper;
OnStepperUpdated(new EventArgs());
}
}
(output as ISmartTextOutput)?.AddButton(Images.ViewCode, "Show Steps", delegate {
Docking.DockWorkspace.Instance.ShowToolPane(DebugStepsPaneModel.PaneContentId);
});
output.WriteLine();
il.WriteTo(output, DebugSteps.Options);
}
public override void DecompileMethod(MethodDefinition method, ITextOutput output, DecompilationOptions options)
{
base.DecompileMethod(method, output, options);
if (!method.HasBody)
{
return;
}
var typeSystem = new DecompilerTypeSystem(method.Module);
var specializingTypeSystem = typeSystem.GetSpecializingTypeSystem(new SimpleTypeResolveContext(typeSystem.Resolve(method)));
var reader = new ILReader(specializingTypeSystem);
reader.UseDebugSymbols = options.DecompilerSettings.UseDebugSymbols;
ILFunction il = reader.ReadIL(method.Body, options.CancellationToken);
var namespaces = new HashSet <string>();
var decompiler = new CSharpDecompiler(typeSystem, options.DecompilerSettings)
{
CancellationToken = options.CancellationToken
};
ILTransformContext context = decompiler.CreateILTransformContext(il);
context.Stepper.StepLimit = options.StepLimit;
context.Stepper.IsDebug = options.IsDebug;
try {
il.RunTransforms(transforms, context);
} catch (StepLimitReachedException) {
} catch (Exception ex) {
output.WriteLine(ex.ToString());
output.WriteLine();
output.WriteLine("ILAst after the crash:");
} finally {
// update stepper even if a transform crashed unexpectedly
if (options.StepLimit == int.MaxValue)
{
Stepper = context.Stepper;
OnStepperUpdated(new EventArgs());
}
}
(output as ISmartTextOutput)?.AddButton(Images.ViewCode, "Show Steps", delegate {
DebugSteps.Show();
});
output.WriteLine();
il.WriteTo(output, DebugSteps.Options);
}
