Exemplo n.º 1
0
 private HashSet <ILogicalConstruct> BuildLoop(DFSTree tree, out HashSet <ILogicalConstruct> loopBody)
 {
     loopBody = new HashSet <ILogicalConstruct>();
     V_0      = new HashSet <ILogicalConstruct>();
     V_1      = tree.get_BackEdges().GetEnumerator();
     try
     {
         while (V_1.MoveNext())
         {
             V_2 = V_1.get_Current();
             V_3 = V_2.get_End().get_Construct() as ILogicalConstruct;
             V_4 = V_2.get_Start().get_Construct() as ILogicalConstruct;
             if (this.removedEdges.ContainsKey(V_4) && this.removedEdges.get_Item(V_4).Contains(V_3))
             {
                 continue;
             }
             V_5 = tree.GetPath(V_2.get_End(), V_2.get_Start());
             V_6 = this.ExpandLoopBodyWithCrossEdges(V_5);
             V_7 = this.GetConstructsCollection(V_6);
             if (!this.CanBeLoop(V_3, V_4, V_6))
             {
                 continue;
             }
             dummyVar0 = V_0.Add(V_4);
             V_8       = V_7.GetEnumerator();
             try
             {
                 while (V_8.MoveNext())
                 {
                     V_9       = V_8.get_Current();
                     dummyVar1 = loopBody.Add(V_9);
                 }
             }
             finally
             {
                 if (V_8 != null)
                 {
                     V_8.Dispose();
                 }
             }
         }
     }
     finally
     {
         ((IDisposable)V_1).Dispose();
     }
     return(V_0);
 }
Exemplo n.º 2
0
 public override ICodeNode VisitMethodReferenceExpression(MethodReferenceExpression node)
 {
     V_0 = node.get_Method().Resolve();
     V_1 = this.context.get_TypeContext().get_CurrentType();
     if (V_0 == null || (object)V_0.get_DeclaringType() != (object)V_1 && !V_0.get_DeclaringType().IsNestedIn(V_1))
     {
         return(this.VisitMethodReferenceExpression(node));
     }
     if (V_0.get_IsGetter() || V_0.get_IsSetter() || !V_0.IsCompilerGenerated(true) && !this.CheckTypeForCompilerGeneratedAttribute(V_0.get_DeclaringType()))
     {
         return(this.VisitMethodReferenceExpression(node));
     }
     V_2 = null;
     if (V_0.get_Body() != null)
     {
         V_5 = this.CreateDecompilationContext(V_0);
         V_2 = V_0.get_Body().DecompileLambda(this.context.get_Language(), V_5);
         if (V_2.get_Statements().get_Count() == 1 && V_2.get_Statements().get_Item(0).get_CodeNodeType() == 5 && (V_2.get_Statements().get_Item(0) as ExpressionStatement).get_Expression().get_CodeNodeType() == 57)
         {
             V_6 = (V_2.get_Statements().get_Item(0) as ExpressionStatement).get_Expression() as ReturnExpression;
             V_7 = new ShortFormReturnExpression(V_6.get_Value(), V_6.get_MappedInstructions());
             V_2 = new BlockStatement();
             V_2.get_Statements().Add(new ExpressionStatement(V_7));
         }
         this.context.get_MethodContext().get_VariableDefinitionToNameMap().AddRange <VariableDefinition, string>(V_5.get_MethodContext().get_VariableDefinitionToNameMap());
         this.context.get_MethodContext().get_VariableNamesCollection().UnionWith(V_5.get_MethodContext().get_VariableNamesCollection());
         this.context.get_MethodContext().AddInnerMethodParametersToContext(V_5.get_MethodContext());
         this.context.get_MethodContext().get_GotoStatements().AddRange(V_5.get_MethodContext().get_GotoStatements());
         this.context.get_MethodContext().get_GotoLabels().AddRange <string, Statement>(V_5.get_MethodContext().get_GotoLabels());
     }
     V_3 = new ExpressionCollection();
     V_4 = LambdaExpressionsHelper.HasAnonymousParameter(V_0.get_Parameters());
     V_8 = V_0.get_Parameters().GetEnumerator();
     try
     {
         while (V_8.MoveNext())
         {
             V_9 = V_8.get_Current();
             V_3.Add(new LambdaParameterExpression(V_9, !V_4, null));
         }
     }
     finally
     {
         V_8.Dispose();
     }
     return(new LambdaExpression(V_3, V_2, V_0.IsAsync(), V_0.IsFunction(), node.get_Method().get_Parameters(), false, node.get_MappedInstructions()));
 }
Exemplo n.º 3
0
 private void CreateSwitchConstruct(CFGBlockLogicalConstruct switchBlock, ILogicalConstruct parentConstruct, SwitchData switchData, DominatorTree dominatorTree)
 {
     stackVariable2 = this.GetOrderedCFGSuccessorToLabelsMap(switchData);
     V_0            = this.GetValidCases(dominatorTree, switchBlock);
     V_1            = new List <CaseLogicalConstruct>();
     V_2            = new PairList <List <int>, CFGBlockLogicalConstruct>();
     V_8            = stackVariable2.GetEnumerator();
     try
     {
         while (V_8.MoveNext())
         {
             V_9 = V_8.get_Current();
             if (!LogicalFlowUtilities.TryGetParentConstructWithGivenParent(V_9.get_Key(), parentConstruct, out V_10) || !V_0.TryGetValue(V_10, out V_11))
             {
                 V_2.Add(V_9.get_Value(), V_9.get_Key());
             }
             else
             {
                 V_12 = new CaseLogicalConstruct(V_10);
                 V_12.get_CaseNumbers().AddRange(V_9.get_Value());
                 V_12.get_Body().UnionWith(V_11.Cast <ILogicalConstruct>());
                 V_12.AttachCaseConstructToGraph();
                 V_1.Add(V_12);
             }
         }
     }
     finally
     {
         ((IDisposable)V_8).Dispose();
     }
     V_3 = null;
     V_4 = this.GetCFGLogicalConstructFromBlock(switchData.get_DefaultCase());
     if (LogicalFlowUtilities.TryGetParentConstructWithGivenParent(V_4, parentConstruct, out V_5) && V_0.TryGetValue(V_5, out V_6))
     {
         V_3 = new CaseLogicalConstruct(V_5);
         if (this.HasSuccessors(V_6))
         {
             V_3.get_Body().UnionWith(V_6.Cast <ILogicalConstruct>());
         }
         V_3.AttachCaseConstructToGraph();
     }
     V_7 = SwitchLogicalConstruct.GroupInSwitchConstruct(switchBlock, V_1, V_2, V_3, V_4);
     this.UpdateDominatorTree(dominatorTree, V_7);
     return;
 }
Exemplo n.º 4
0
        private LoopType DetermineLoopType(HashSet <ILogicalConstruct> loopBody, HashSet <ILogicalConstruct> latchingNodes, IntervalConstruct interval, DominatorTree dominatorTree, out ConditionLogicalConstruct loopCondition)
        {
            V_0       = interval.get_Entry() as ILogicalConstruct;
            V_1       = new HashSet <ILogicalConstruct>(latchingNodes);
            dummyVar0 = V_1.Add(V_0);
            V_2       = DFSTBuilder.BuildTree(V_0.get_Parent() as ILogicalConstruct);
            V_3       = new HashSet <ILogicalConstruct>();
            V_4       = loopBody.GetEnumerator();
            try
            {
                while (V_4.MoveNext())
                {
                    V_5 = V_4.get_Current();
                    V_6 = dominatorTree.GetDominanceFrontier(V_5).GetEnumerator();
                    try
                    {
                        while (V_6.MoveNext())
                        {
                            V_7 = (ILogicalConstruct)V_6.get_Current();
                            if (!interval.get_Children().Contains(V_7) || loopBody.Contains(V_7))
                            {
                                continue;
                            }
                            dummyVar1 = V_3.Add(V_7);
                        }
                    }
                    finally
                    {
                        ((IDisposable)V_6).Dispose();
                    }
                }
            }
            finally
            {
                ((IDisposable)V_4).Dispose();
            }
            if (V_3.get_Count() == 0)
            {
                V_8 = V_2.get_ReversePostOrder().GetEnumerator();
                try
                {
                    while (V_8.MoveNext())
                    {
                        V_9 = V_8.get_Current().get_Construct() as ILogicalConstruct;
                        if (loopBody.Contains(V_9))
                        {
                            continue;
                        }
                        loopCondition = this.GetLoopConditionWithMaxIndex(V_2, loopBody, V_1, V_9);
                        if (loopCondition == null)
                        {
                            continue;
                        }
                        this.ExpandLoopBody(interval, loopBody, V_9);
                        if (loopCondition != V_0)
                        {
                            V_10 = 2;
                            goto Label1;
                        }
                        else
                        {
                            V_10 = 1;
                            goto Label1;
                        }
                    }
                    goto Label0;
                }
                finally
                {
                    ((IDisposable)V_8).Dispose();
                }
Label1:
                return(V_10);
            }
            V_11 = V_2.get_ReversePostOrder().get_Count();
            V_4  = V_3.GetEnumerator();
            try
            {
                while (V_4.MoveNext())
                {
                    V_13 = V_4.get_Current();
                    V_14 = V_2.get_ConstructToNodeMap().get_Item(V_13).get_ReversePostOrderIndex();
                    if (V_14 >= V_11)
                    {
                        continue;
                    }
                    V_11 = V_14;
                }
            }
            finally
            {
                ((IDisposable)V_4).Dispose();
            }
            V_12          = V_2.get_ReversePostOrder().get_Item(V_11).get_Construct() as ILogicalConstruct;
            loopCondition = this.GetLoopConditionWithMaxIndex(V_2, loopBody, V_1, V_12);
            this.ExpandLoopBody(interval, loopBody, V_12);
            if (loopCondition == null)
            {
                return(0);
            }
            if (loopCondition == V_0)
            {
                return(1);
            }
            return(2);

Label0:
            if (!this.CanBeLoopCondition(V_0, loopBody))
            {
                loopCondition = null;
                return(0);
            }
            loopCondition = V_0 as ConditionLogicalConstruct;
            return(1);
        }
Exemplo n.º 5
0
        protected virtual ClassHierarchyNode FindLowestCommonAncestor(ICollection <ClassHierarchyNode> typeNodes)
        {
            V_0 = 0;
            V_1 = null;
            V_4 = typeNodes.GetEnumerator();
            try
            {
                while (V_4.MoveNext())
                {
                    V_0 = V_0 + 1;
                    V_1 = V_4.get_Current();
                }
            }
            finally
            {
                if (V_4 != null)
                {
                    V_4.Dispose();
                }
            }
            if (V_0 == 1)
            {
                return(V_1);
            }
            V_2 = new Queue <ClassHierarchyNode>();
            V_3 = new HashSet <ClassHierarchyNode>();
            V_4 = typeNodes.GetEnumerator();
            try
            {
                while (V_4.MoveNext())
                {
                    V_5 = V_4.get_Current();
                    if (V_2.get_Count() != 0)
                    {
                        V_10 = V_5;
                        while (!V_3.Contains(V_10))
                        {
                            stackVariable28 = V_5.get_CanAssignTo();
                            stackVariable29 = TypeInferer.u003cu003ec.u003cu003e9__18_0;
                            if (stackVariable29 == null)
                            {
                                dummyVar1       = stackVariable29;
                                stackVariable29 = new Func <ClassHierarchyNode, bool>(TypeInferer.u003cu003ec.u003cu003e9.u003cFindLowestCommonAncestoru003eb__18_0);
                                TypeInferer.u003cu003ec.u003cu003e9__18_0 = stackVariable29;
                            }
                            if (stackVariable28.Count <ClassHierarchyNode>(stackVariable29) <= 1)
                            {
                                stackVariable33 = V_10.get_CanAssignTo();
                                stackVariable34 = TypeInferer.u003cu003ec.u003cu003e9__18_1;
                                if (stackVariable34 == null)
                                {
                                    dummyVar2       = stackVariable34;
                                    stackVariable34 = new Func <ClassHierarchyNode, bool>(TypeInferer.u003cu003ec.u003cu003e9.u003cFindLowestCommonAncestoru003eb__18_1);
                                    TypeInferer.u003cu003ec.u003cu003e9__18_1 = stackVariable34;
                                }
                                V_10 = stackVariable33.FirstOrDefault <ClassHierarchyNode>(stackVariable34);
                            }
                            else
                            {
                                V_11 = null;
                                goto Label1;
                            }
                        }
                        while (V_2.Peek() != V_10)
                        {
                            dummyVar3 = V_3.Remove(V_2.Dequeue());
                        }
                    }
                    else
                    {
                        V_6 = V_5;
                        while (V_6 != null)
                        {
                            V_2.Enqueue(V_6);
                            dummyVar0 = V_3.Add(V_6);
                            V_7       = null;
                            V_8       = V_6.get_CanAssignTo().GetEnumerator();
                            try
                            {
                                while (V_8.MoveNext())
                                {
                                    V_9 = V_8.get_Current();
                                    if (!V_9.get_IsHardNode())
                                    {
                                        continue;
                                    }
                                    V_7 = V_9;
                                    goto Label2;
                                }
                            }
                            finally
                            {
                                if (V_8 != null)
                                {
                                    V_8.Dispose();
                                }
                            }
Label2:
                            V_6 = V_7;
                        }
                    }
                }
                goto Label0;
            }
            finally
            {
                if (V_4 != null)
                {
                    V_4.Dispose();
                }
            }
Label1:
            return(V_11);

Label0:
            return(V_2.Peek());
        }
Exemplo n.º 6
0
 protected void DecompileConstructorChain(MethodDefinition method, ILanguage language, DecompiledType decompiledType)
 {
     if (this.cacheService.IsDecompiledMemberInCache(method, language, this.renameInvalidMembers))
     {
         V_3 = this.cacheService.GetDecompiledMemberFromCache(method, language, this.renameInvalidMembers);
         this.AddDecompiledMemberToDecompiledType(V_3, decompiledType);
         BaseWriterContextService.AddAssignmentDataToDecompiledType(V_3, decompiledType);
         return;
     }
     if (method.get_Body() == null)
     {
         V_4 = new CachedDecompiledMember(new DecompiledMember(Utilities.GetMemberUniqueName(method), null, null));
         this.cacheService.AddDecompiledMemberToCache(method, language, this.renameInvalidMembers, V_4);
         return;
     }
     V_0 = this.DecompileMethod(language, method, decompiledType.get_TypeContext().ShallowPartialClone());
     V_1 = new List <CachedDecompiledMember>();
     V_2 = method.get_DeclaringType();
     if (!method.get_IsStatic())
     {
         V_5 = V_2.get_Methods().GetEnumerator();
         try
         {
             while (V_5.MoveNext())
             {
                 V_6 = V_5.get_Current();
                 if (!V_6.get_IsConstructor() || String.op_Equality(V_6.get_FullName(), V_0.get_Member().get_MemberFullName()) || V_6.get_IsStatic())
                 {
                     continue;
                 }
                 if (V_6.get_Body() != null)
                 {
                     V_1.Add(this.DecompileMethod(language, V_6, decompiledType.get_TypeContext().ShallowPartialClone()));
                 }
                 else
                 {
                     V_7 = new CachedDecompiledMember(new DecompiledMember(Utilities.GetMemberUniqueName(V_6), null, null));
                     V_1.Add(V_7);
                 }
             }
         }
         finally
         {
             V_5.Dispose();
         }
         V_1.Add(V_0);
         this.MergeConstructorsTypeContexts(V_1, decompiledType);
         V_8 = V_1.GetEnumerator();
         try
         {
             while (V_8.MoveNext())
             {
                 V_9             = new BaseWriterContextService.u003cu003ec__DisplayClass15_0();
                 V_9.constructor = V_8.get_Current();
                 if (language as IntermediateLanguage == null)
                 {
                     this.RemoveBaseCtorInvocationStatements(V_9.constructor, decompiledType);
                 }
                 if (V_9.constructor.get_Member().get_Context() != null)
                 {
                     if (!this.cacheService.IsDecompiledMemberInCache(V_9.constructor.get_Member().get_Context().get_Method(), language, this.renameInvalidMembers))
                     {
                         this.cacheService.AddDecompiledMemberToCache(V_9.constructor.get_Member().get_Context().get_Method(), language, this.renameInvalidMembers, V_9.constructor);
                     }
                 }
                 else
                 {
                     V_10 = decompiledType.get_Type().get_Methods().First <MethodDefinition>(new Func <MethodDefinition, bool>(V_9.u003cDecompileConstructorChainu003eb__0));
                     if (!this.cacheService.IsDecompiledMemberInCache(V_10, language, this.renameInvalidMembers))
                     {
                         this.cacheService.AddDecompiledMemberToCache(V_10, language, this.renameInvalidMembers, V_9.constructor);
                     }
                 }
                 this.AddDecompiledMemberToDecompiledType(V_9.constructor, decompiledType);
             }
         }
         finally
         {
             ((IDisposable)V_8).Dispose();
         }
     }
     return;
 }
        private bool TryProcessConditionalDisposeHandler(YieldExceptionHandlerInfo yieldExceptionHandler, CFGBlockLogicalConstruct startBlock)
        {
            if (this.finallyBlocks.get_Count() > 0)
            {
                return(false);
            }
            if (startBlock as PartialCFGBlockLogicalConstruct == null || startBlock.get_CFGSuccessors().get_Count() != 1)
            {
                return(false);
            }
            if (startBlock.get_LogicalConstructExpressions().get_Count() == 0)
            {
                return(false);
            }
            V_0 = startBlock.get_LogicalConstructExpressions().get_Item(0) as BinaryExpression;
            if (V_0 == null || !V_0.get_IsAssignmentExpression() || V_0.get_Left().get_CodeNodeType() != 30 || (V_0.get_Left() as FieldReferenceExpression).get_Field().Resolve() != this.stateFieldRef || V_0.get_Right().get_CodeNodeType() != 22 || (Int32)(V_0.get_Right() as LiteralExpression).get_Value() != yieldExceptionHandler.get_NextState())
            {
                return(false);
            }
            if (startBlock.get_LogicalConstructExpressions().get_Count() != 2 || yieldExceptionHandler.get_HandlerType() != 2)
            {
                if (startBlock.get_LogicalConstructExpressions().get_Count() != 1 || yieldExceptionHandler.get_HandlerType() != 1)
                {
                    return(false);
                }
            }
            else
            {
                V_6 = startBlock.get_LogicalConstructExpressions().get_Item(1) as BinaryExpression;
                if (V_6 == null || !V_6.get_IsAssignmentExpression() || V_6.get_Left().get_CodeNodeType() != 30 || (object)(V_6.get_Left() as FieldReferenceExpression).get_Field() != (object)yieldExceptionHandler.get_DisposableField() || V_6.get_Right().get_CodeNodeType() != 33 || (V_6.get_Right() as SafeCastExpression).get_Expression().get_CodeNodeType() != 30 || (object)((V_6.get_Right() as SafeCastExpression).get_Expression() as FieldReferenceExpression).get_Field() != (object)yieldExceptionHandler.get_EnumeratorField())
                {
                    return(false);
                }
            }
            V_2 = startBlock.get_CFGSuccessors().GetEnumerator();
            V_7 = V_2;
            try
            {
                dummyVar0 = V_2.MoveNext();
                V_1       = V_2.get_Current();
            }
            finally
            {
                if (V_7 != null)
                {
                    V_7.Dispose();
                }
            }
            if (V_1.get_LogicalConstructExpressions().get_Count() != 1)
            {
                return(false);
            }
            V_3 = V_1.get_LogicalConstructExpressions().get_Item(0) as BinaryExpression;
            if (V_3 == null || V_3.get_Operator() != 9 || V_3.get_Left().get_CodeNodeType() != 30 || (object)(V_3.get_Left() as FieldReferenceExpression).get_Field() != (object)yieldExceptionHandler.get_DisposableField() || V_3.get_Right().get_CodeNodeType() != 22 || (V_3.get_Right() as LiteralExpression).get_Value() != null)
            {
                return(false);
            }
            V_4 = null;
            V_8 = V_1.get_CFGSuccessors().GetEnumerator();
            try
            {
                while (V_8.MoveNext())
                {
                    V_9 = V_8.get_Current() as CFGBlockLogicalConstruct;
                    if (V_9 == null || V_9.get_CFGPredecessors().get_Count() != 1)
                    {
                        continue;
                    }
                    V_4 = V_9;
                    goto Label0;
                }
            }
            finally
            {
                ((IDisposable)V_8).Dispose();
            }
Label0:
            if (V_4 == null || V_4.get_LogicalConstructExpressions().get_Count() != 1)
            {
                return(false);
            }
            V_5 = V_4.get_LogicalConstructExpressions().get_Item(0) as MethodInvocationExpression;
            if (V_5 == null || !V_5.get_VirtualCall() || V_5.get_MethodExpression().get_Target().get_CodeNodeType() != 30 || (object)(V_5.get_MethodExpression().get_Target() as FieldReferenceExpression).get_Field() != (object)yieldExceptionHandler.get_DisposableField() || String.op_Inequality(V_5.get_MethodExpression().get_Method().get_Name(), "Dispose"))
            {
                return(false);
            }
            this.finallyEntryBlock = startBlock;
            dummyVar1             = this.finallyBlocks.Add(startBlock);
            this.conditionBlock   = V_1;
            dummyVar2             = this.finallyBlocks.Add(V_1);
            this.disposeCallBlock = V_4;
            dummyVar3             = this.finallyBlocks.Add(V_4);
            return(true);
        }
Exemplo n.º 8
0
 public virtual void WriteAssemblyAttributes(AssemblyDefinition assembly, ICollection <string> attributesToIgnore = null)
 {
     V_0 = new List <ICustomAttribute>();
     this.securityAttributeToDeclaration = new Dictionary <SecurityAttribute, SecurityDeclaration>();
     V_0.Add(AttributesUtilities.GetAssemblyVersionAttribute(assembly));
     V_2 = assembly.get_CustomAttributes().GetEnumerator();
     try
     {
         while (V_2.MoveNext())
         {
             V_3 = V_2.get_Current();
             V_3.Resolve();
             V_0.Add(V_3);
         }
     }
     finally
     {
         V_2.Dispose();
     }
     if (assembly.get_HasSecurityDeclarations())
     {
         V_4 = assembly.get_SecurityDeclarations().GetEnumerator();
         try
         {
             while (V_4.MoveNext())
             {
                 V_5 = V_4.get_Current();
                 V_0.AddRange(this.GetSecurityDeclaration(V_5));
             }
         }
         finally
         {
             V_4.Dispose();
         }
     }
     if (assembly.get_MainModule().get_HasExportedTypes())
     {
         V_6 = assembly.get_MainModule().get_ExportedTypes().GetEnumerator();
         try
         {
             while (V_6.MoveNext())
             {
                 V_7 = V_6.get_Current();
                 if (V_7.get_Scope() as ModuleReference != null)
                 {
                     continue;
                 }
                 V_0.Add(AttributesUtilities.GetExportedTypeAttribute(V_7, assembly.get_MainModule()));
             }
         }
         finally
         {
             V_6.Dispose();
         }
     }
     V_0.Sort(new Comparison <ICustomAttribute>(this.u003cWriteAssemblyAttributesu003eb__18_0));
     V_8 = V_0.GetEnumerator();
     try
     {
         while (V_8.MoveNext())
         {
             V_9 = V_8.get_Current();
             if (attributesToIgnore != null && attributesToIgnore.Contains(V_9.get_AttributeType().get_FullName()))
             {
                 continue;
             }
             if (V_9 as CustomAttribute == null)
             {
                 if (V_9 as SecurityAttribute == null)
                 {
                     continue;
                 }
                 dummyVar0 = this.WriteSecurityAttribute(assembly.get_MainModule(), true, V_9 as SecurityAttribute, this.securityAttributeToDeclaration.get_Item(V_9 as SecurityAttribute), out V_10, false, false);
             }
             else
             {
                 this.WriteAssemblyAttribute(V_9 as CustomAttribute);
             }
         }
     }
     finally
     {
         ((IDisposable)V_8).Dispose();
     }
     return;
 }
Exemplo n.º 9
0
		private List<TypeDefinition> GetInheritanceChain(TypeDefinition targetType, string definingTypeFullName)
		{
			V_0 = new List<TypeDefinition>();
			V_1 = new List<int>();
			V_0.Add(targetType);
			V_1.Add(-1);
			V_2 = -1;
			V_4 = 0;
			while (V_4 < V_0.get_Count())
			{
				V_5 = V_0.get_Item(V_4);
				if (V_5 == null || String.op_Equality(V_5.get_FullName(), definingTypeFullName))
				{
					V_2 = V_4;
					break;
				}
				else
				{
					V_6 = V_5.get_BaseType();
					if (V_6 != null)
					{
						V_7 = V_6.Resolve();
						if (V_7 != null)
						{
							V_0.Add(V_7);
							V_1.Add(V_4);
						}
					}
					V_8 = V_5.get_Interfaces().GetEnumerator();
					try
					{
						while (V_8.MoveNext())
						{
							V_9 = V_8.get_Current();
							if (V_9 == null)
							{
								continue;
							}
							V_10 = V_9.Resolve();
							if (V_10 == null)
							{
								continue;
							}
							V_0.Add(V_10);
							V_1.Add(V_4);
						}
					}
					finally
					{
						V_8.Dispose();
					}
					V_4 = V_4 + 1;
				}
			}
			V_3 = new List<TypeDefinition>();
			while (V_2 != -1)
			{
				V_3.Add(V_0.get_Item(V_2));
				V_2 = V_1.get_Item(V_2);
			}
			return V_3;
		}