protected bool RemoveControllerChain()
{
V_0 = this.InitializeTheTraversalQueue();
while (V_0.get_Count() > 0)
{
V_1 = V_0.Dequeue();
V_2 = V_1;
while (this.IsStateMachineControllerBlock(ref V_2, out V_4, out V_3))
{
switch (V_4 - 1)
{
case 0:
{
V_6 = this.theCFG.get_SwitchBlocksInformation().get_Item(V_2);
V_7 = V_6.get_OrderedCasesArray();
V_8 = 0;
while (V_8 < (int)V_7.Length)
{
if (!this.toBeRemoved.Contains(V_7[V_8]))
{
V_9 = this.TryGetStateEntry(V_7[V_8], out V_5);
switch (V_9)
{
case 0:
{
return(false);
}
case 1:
{
this.stateToStartBlock[V_8 + V_3] = V_5;
break;
}
case 2:
{
this.stateToStartBlock[V_8 + V_3] = V_5;
V_0.Enqueue(V_5);
break;
}
}
}
V_8 = V_8 + 1;
}
V_0.Enqueue(this.SkipBranchChain(V_6.get_DefaultCase()));
break;
}
case 1:
{
V_9 = this.TryGetStateEntry(V_2.get_Successors()[0], out V_10);
switch (V_9)
{
case 0:
{
return(false);
}
case 1:
{
this.stateToStartBlock[V_3] = V_10;
break;
}
case 2:
{
this.stateToStartBlock[V_3] = V_10;
V_0.Enqueue(V_10);
break;
}
}
break;
}
case 2:
{
V_12 = 1;
if (V_3 == -1)
{
V_3 = 0;
V_12 = 0;
}
V_9 = this.TryGetStateEntry(V_2.get_Successors()[V_12], out V_11);
if (V_9 == StateControllerRemover.ControllerTraversalSearchResult.PatternFailed)
{
return(false);
}
if (V_9 - 1 > 1)
{
break;
}
this.stateToStartBlock[V_3] = V_11;
break;
}
}
dummyVar0 = this.toBeRemoved.Add(V_2);
if (V_4 != 3)
{
V_2 = V_2.get_Successors()[(int)V_2.get_Successors().Length - 1];
}
else
{
V_2 = V_2.get_Successors()[0];
}
V_2 = this.SkipBranchChain(V_2);
}
if (InstructionBlock.op_Equality(this.defaultStateEntry, null))
{
this.defaultStateEntry = V_2;
}
this.ReattachDefaultSuccessor(V_1, V_2);
while (V_0.get_Count() > 0 && this.toBeRemoved.Contains(V_0.Peek()))
{
dummyVar1 = V_0.Dequeue();
}
}
if (this.toBeRemoved.get_Count() == 0)
{
return(false);
}
this.CreateControllerSwitchData();
return(true);
}