System.Xml.Serialization.CodeGenerator.EndFor C# (CSharp) Method

        internal void EndFor()
        {
            object stackTop = _blockStack.Pop();
            ForState forState = stackTop as ForState;
            Debug.Assert(forState != null);
            if (forState.Index != null)
            {
                Ldloc(forState.Index);
                Ldc(1);
                Add();
                Stloc(forState.Index);
                MarkLabel(forState.TestLabel);
                Ldloc(forState.Index);
                Load(forState.End);
                Type varType = GetVariableType(forState.End);
                if (varType.IsArray)
                {
                    Ldlen();
                }
                else
                {
#if DEBUG
                    CodeGenerator.AssertHasInterface(varType, typeof(ICollection));
#endif
                    MethodInfo ICollection_get_Count = typeof(ICollection).GetMethod(
                          "get_Count",
                          CodeGenerator.InstanceBindingFlags,
                          CodeGenerator.EmptyTypeArray
                          );
                    Call(ICollection_get_Count);
                }
                Blt(forState.BeginLabel);
            }
            else
                Br(forState.BeginLabel);
        }