コード例 #1
0
        public static Expression GetEnumExpression(TypeDefinition enumDefinition, LiteralExpression targetedValue, TypeSystem typeSystem)
        {
            V_0 = EnumHelper.GetEnumBitSize(enumDefinition);
            V_1 = (long)0;
            V_4 = targetedValue.get_Value().GetType().get_FullName();
            if (V_4 != null)
            {
                if (String.op_Equality(V_4, "System.Int32"))
                {
                    if (V_0 != 32)
                    {
                        V_1 = (long)((Int32)targetedValue.get_Value());
                    }
                    else
                    {
                        V_1 = (ulong)((Int32)targetedValue.get_Value());
                    }
                }
                else
                {
                    if (String.op_Equality(V_4, "System.Int64"))
                    {
                        V_1 = (Int64)targetedValue.get_Value();
                    }
                    else
                    {
                        if (String.op_Equality(V_4, "System.UInt32"))
                        {
                            V_1 = (ulong)((UInt32)targetedValue.get_Value());
                        }
                        else
                        {
                            if (String.op_Equality(V_4, "System.UInt64"))
                            {
                                V_1 = (UInt64)targetedValue.get_Value();
                            }
                            else
                            {
                                if (String.op_Equality(V_4, "System.Byte"))
                                {
                                    V_1 = (ulong)((Byte)targetedValue.get_Value());
                                }
                                else
                                {
                                    if (String.op_Equality(V_4, "System.SByte"))
                                    {
                                        V_1 = (long)((SByte)targetedValue.get_Value());
                                    }
                                    else
                                    {
                                        if (String.op_Equality(V_4, "System.Int16"))
                                        {
                                            V_1 = (long)((Int16)targetedValue.get_Value());
                                        }
                                        else
                                        {
                                            if (String.op_Equality(V_4, "System.UInt16"))
                                            {
                                                V_1 = (ulong)((UInt16)targetedValue.get_Value());
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
            stackVariable10 = enumDefinition.get_Fields();
            V_2             = new List <FieldDefinition>();
            V_6             = stackVariable10.GetEnumerator();
            try
            {
                while (V_6.MoveNext())
                {
                    V_7 = V_6.get_Current();
                    if (V_7.get_Constant() == null || V_7.get_Constant().get_Value() == null)
                    {
                        continue;
                    }
                    V_8 = (long)0;
                    V_4 = V_7.get_Constant().get_Value().GetType().get_FullName();
                    if (V_4 != null)
                    {
                        if (String.op_Equality(V_4, "System.Int32"))
                        {
                            V_8 = (ulong)((Int32)V_7.get_Constant().get_Value());
                        }
                        else
                        {
                            if (String.op_Equality(V_4, "System.UInt32"))
                            {
                                V_8 = (ulong)((UInt32)V_7.get_Constant().get_Value());
                            }
                            else
                            {
                                if (String.op_Equality(V_4, "System.Byte"))
                                {
                                    V_8 = (ulong)((Byte)V_7.get_Constant().get_Value());
                                }
                                else
                                {
                                    if (String.op_Equality(V_4, "System.SByte"))
                                    {
                                        V_8 = (ulong)((byte)((SByte)V_7.get_Constant().get_Value()));
                                    }
                                    else
                                    {
                                        if (String.op_Equality(V_4, "System.Int16"))
                                        {
                                            V_8 = (ulong)((ushort)((Int16)V_7.get_Constant().get_Value()));
                                        }
                                        else
                                        {
                                            if (String.op_Equality(V_4, "System.UInt16"))
                                            {
                                                V_8 = (ulong)((UInt16)V_7.get_Constant().get_Value());
                                            }
                                            else
                                            {
                                                if (String.op_Equality(V_4, "System.Int64"))
                                                {
                                                    V_8 = (Int64)V_7.get_Constant().get_Value();
                                                }
                                                else
                                                {
                                                    if (String.op_Equality(V_4, "System.UInt64"))
                                                    {
                                                        V_8 = (UInt64)V_7.get_Constant().get_Value();
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                    if (V_8 != V_1)
                    {
                        if (V_8 == 0 || V_8 | V_1 != V_1)
                        {
                            continue;
                        }
                        V_2.Add(V_7);
                    }
                    else
                    {
                        V_9 = new EnumExpression(V_7, targetedValue.get_UnderlyingSameMethodInstructions());
                        goto Label1;
                    }
                }
                goto Label0;
            }
            finally
            {
                V_6.Dispose();
            }
Label1:
            return(V_9);

Label0:
            if (V_2.get_Count() < 2)
            {
                return(targetedValue);
            }
            V_3 = new BinaryExpression(21, new EnumExpression(V_2.get_Item(0), null), new EnumExpression(V_2.get_Item(1), null), typeSystem, null, false);
            V_3.set_ExpressionType(enumDefinition);
            V_10 = 2;
            while (V_10 < V_2.get_Count())
            {
                V_3 = new BinaryExpression(21, V_3, new EnumExpression(V_2.get_Item(V_10), null), typeSystem, null, false);
                V_3.set_ExpressionType(enumDefinition);
                V_10 = V_10 + 1;
            }
            return(V_3.CloneAndAttachInstructions(targetedValue.get_UnderlyingSameMethodInstructions()));
        }