private InstructionTreeNode GetInstructionTree(MethodDefinition parentMethod, Instruction instruction, MethodReference calledMethod)
{
try
{
var rootNode = new InstructionTreeNode();
MethodArgumentInstructionParser.GetParameterInstructionTree(parentMethod, calledMethod, instruction, rootNode);
return(rootNode);
}
catch (Exception ex)
{
_logOutput.LogAnalysis("ERROR " + parentMethod.FullName + " instruction" + instruction.ToString() + " Error-> " + ex);
return(null);
}
}
public static string GetFromInstanceOwnerKey(Instruction instruction, ObjectType objectType, MethodDefinition parentMethod)
{
if (objectType == ObjectType.NotDefined || objectType == ObjectType.ReturnValue || objectType == ObjectType.InlineString ||
objectType == ObjectType.None || objectType == ObjectType.LocalVariable || objectType == ObjectType.InlineNumber)
{
return(null);
}
// for argument we use the key of the method
if (objectType == ObjectType.Argument)
{
return(parentMethod.GetKey());
}
Instruction priorInstruction = null;
if (objectType == ObjectType.Method)
{
MethodDefinition methodDef = null;
var resolved = ResolveService.TryResolve((MethodReference)instruction.Operand, out methodDef);
if (!resolved)
{
return(null);
}
else if (methodDef.IsStatic || methodDef.Name.Equals(".ctor"))
{
return(parentMethod.GetKey());
}
else if (methodDef.GetOwnerKey().Equals(parentMethod.GetOwnerKey()))
{
return(methodDef.GetOwnerKey());
}
priorInstruction = MethodArgumentInstructionParser.GetPriorInstruction(parentMethod, methodDef, instruction);
}
else if (objectType == ObjectType.Field)
{
var fieldReference = (FieldReference)instruction.Operand;
if (fieldReference.DeclaringType.FullName.Equals(parentMethod.DeclaringType.FullName))
{
return(null);
}
priorInstruction = instruction.Previous;
}
else
{
return(null);
//MethodDefinition methodDef = null;
//var resolved = ResolveService.TryResolve((MethodReference)instruction.Operand, out methodDef);
//if (methodDef.IsStatic || methodDef.Name.Equals(".ctor"))
// return parentMethod.GetKey();
//if (methodDef.GetOwnerKey().Equals(parentMethod.GetOwnerKey()))
// return methodDef.GetOwnerKey();
//priorInstruction = instruction.Previous;
}
if (priorInstruction == null)
{
return(null);
}
var ownerObjectType = GetFromObjectType(priorInstruction);
if (!IsSupportedObject(ownerObjectType))
{
return(null);
}
var ownerInstanceKey = GetObjectKey(priorInstruction, ownerObjectType, parentMethod);
return(ownerInstanceKey);
}
