protected override bool EmitInternal(TypeBinaryExpression node, EmittingContext context, GroboIL.Label returnDefaultValueLabel, ResultType whatReturn, bool extend, out Type resultType)
        {
            bool    result;
            GroboIL il = context.Il;

            if (!node.Expression.Type.IsAssignableFrom(node.TypeOperand))
            {
                il.Ldc_I4(0);
                result = false;
            }
            else if (node.Expression.Type == node.TypeOperand && node.TypeOperand.IsValueType)
            {
                il.Ldc_I4(1);
                result = false;
            }
            else
            {
                Type operandType;
                result = ExpressionEmittersCollection.Emit(node.Expression, context, returnDefaultValueLabel, ResultType.Value, extend, out operandType);
                if (operandType.IsValueType)
                {
                    using (var temp = context.DeclareLocal(operandType))
                    {
                        il.Stloc(temp);
                        il.Ldloca(temp);
                    }
                }
                var returnFalseLabel = il.DefineLabel("returnFalse");
                il.Dup();
                il.Brfalse(returnFalseLabel);
                il.Call(typeof(object).GetMethod("GetType"), operandType);
                il.Ldtoken(node.TypeOperand);
                il.Call(typeof(Type).GetMethod("GetTypeFromHandle"));
                il.Ceq();
                var doneLabel = il.DefineLabel("done");
                il.Br(doneLabel);
                context.MarkLabelAndSurroundWithSP(returnFalseLabel);
                il.Pop();
                il.Ldc_I4(0);
                context.MarkLabelAndSurroundWithSP(doneLabel);
            }
            resultType = typeof(bool);
            return(result);
        }
Пример #2
0
        public static void WriteObjectNull(GroboIL il, GroboIL.Label finishMethod, GroboIL.Local buffer, GroboIL.Local offset, GroboIL.Local typeSize)
        {
            var _null = il.DeclareLocal(typeof(bool));

            il.Ldnull();
            il.Ceq();
            il.Stloc(_null);

            il.Ldloc(buffer);
            il.Ldloc(offset);

            il.Ldloc(_null);

            il.Stelem(typeof(byte));

            WriteOffsetAppend(il, offset, 1);

            il.Ldloc(_null);
            il.Brtrue(finishMethod);
        }
Пример #3
0
        public static void WriteNullableType <T>(GroboIL il, GroboIL.Label finishMethod, GroboIL.Local buffer, GroboIL.Local offset)
            where T : struct
        {
            var _null = il.DeclareLocal(typeof(bool));

            il.Call(typeof(Nullable <T>).GetProperty("HasValue").GetGetMethod());
            il.Ldc_I4(0);
            //il.Ldnull();
            il.Ceq();
            il.Stloc(_null);

            il.Ldloc(buffer);
            il.Ldloc(offset);

            il.Ldloc(_null);

            il.Stelem(typeof(byte));

            WriteOffsetAppend(il, offset, 1);

            il.Ldloc(_null);
            il.Brtrue(finishMethod);
        }
Пример #4
0
        private KeyValuePair <Delegate, IntPtr> BuildPrimitiveValueReader(ModuleBuilder module, GroBufTypeCode typeCode)
        {
            var method = new DynamicMethod("Read_" + Type.Name + "_from_" + typeCode + "_" + Guid.NewGuid(), typeof(void), new[] { typeof(IntPtr), Type.MakeByRefType() }, module, true);

            using (var il = new GroboIL(method))
            {
                var expectedTypeCode = GroBufTypeCodeMap.GetTypeCode(Type);

                il.Ldarg(1); // stack: [ref result]
                if (typeCode == GroBufTypeCode.Decimal)
                {
                    if (expectedTypeCode == GroBufTypeCode.Boolean)
                    {
                        il.Ldarg(0);            // stack: [ref result, &temp, address]
                        il.Ldind(typeof(long)); // stack: [ref result, &temp, (long)*address]
                        il.Ldarg(0);            // stack: [ref result, &temp + 8, address]
                        il.Ldc_I4(8);           // stack: [ref result, &temp + 8, address, 8]
                        il.Add();               // stack: [ref result, &temp + 8, address + 8]
                        il.Ldind(typeof(long)); // stack: [ref result, &temp + 8, (long)*(address + 8)]
                        il.Or();
                        il.Ldc_I4(0);           // stack: [ref result, value, 0]
                        il.Conv <long>();
                        il.Ceq();               // stack: [ref result, value == 0]
                        il.Ldc_I4(1);           // stack: [ref result, value == 0, 1]
                        il.Xor();               // stack: [ref result, value != 0]
                    }
                    else
                    {
                        var temp = il.DeclareLocal(typeof(decimal));
                        il.Ldloca(temp);        // stack: [ref result, &temp]
                        il.Ldarg(0);            // stack: [ref result, &temp, address]
                        il.Ldind(typeof(long)); // stack: [ref result, &temp, (long)*address]
                        il.Stind(typeof(long)); // *temp = *address;
                        il.Ldloca(temp);        // stack: [ref result, &temp]
                        il.Ldc_I4(8);           // stack: [ref result, &temp, 8]
                        il.Add();               // stack: [ref result, &temp + 8]
                        il.Ldarg(0);            // stack: [ref result, &temp + 8, address]
                        il.Ldc_I4(8);           // stack: [ref result, &temp + 8, address, 8]
                        il.Add();               // stack: [ref result, &temp + 8, address + 8]
                        il.Ldind(typeof(long)); // stack: [ref result, &temp + 8, (long)*(address + 8)]
                        il.Stind(typeof(long)); // *(temp + 8) = *(address + 8);

                        il.Ldloc(temp);         // stack: [ref result, ref temp]
                        switch (expectedTypeCode)
                        {
                        case GroBufTypeCode.Int8:
                            il.Call(decimalToInt8Method); // stack: [ref result, (sbyte)temp]
                            break;

                        case GroBufTypeCode.UInt8:
                            il.Call(decimalToUInt8Method); // stack: [ref result, (byte)temp]
                            break;

                        case GroBufTypeCode.Int16:
                            il.Call(decimalToInt16Method); // stack: [ref result, (short)temp]
                            break;

                        case GroBufTypeCode.UInt16:
                            il.Call(decimalToUInt16Method); // stack: [ref result, (ushort)temp]
                            break;

                        case GroBufTypeCode.Int32:
                            il.Call(decimalToInt32Method); // stack: [ref result, (int)temp]
                            break;

                        case GroBufTypeCode.UInt32:
                            il.Call(decimalToUInt32Method); // stack: [ref result, (uint)temp]
                            break;

                        case GroBufTypeCode.Int64:
                            il.Call(decimalToInt64Method); // stack: [ref result, (long)temp]
                            break;

                        case GroBufTypeCode.UInt64:
                            il.Call(decimalToUInt64Method); // stack: [ref result, (ulong)temp]
                            break;

                        case GroBufTypeCode.Single:
                            il.Call(decimalToSingleMethod); // stack: [ref result, (float)temp]
                            break;

                        case GroBufTypeCode.Double:
                            il.Call(decimalToDoubleMethod); // stack: [ref result, (double)temp]
                            break;

                        case GroBufTypeCode.Decimal:
                            break;

                        default:
                            throw new NotSupportedException("Type with type code '" + expectedTypeCode + "' is not supported");
                        }
                    }
                }
                else
                {
                    il.Ldarg(0);                                                                                // stack: [ref result, address]
                    EmitReadPrimitiveValue(il, Type == typeof(bool) ? GetTypeCodeForBool(typeCode) : typeCode); // stack: [ref result, value]
                    if (Type == typeof(bool))
                    {
                        il.Conv <long>();
                        il.Ldc_I4(0); // stack: [ref result, value, 0]
                        il.Conv <long>();
                        il.Ceq();     // stack: [ref result, value == 0]
                        il.Ldc_I4(1); // stack: [ref result, value == 0, 1]
                        il.Xor();     // stack: [ref result, value != 0]
                    }
                    else
                    {
                        EmitConvertValue(il, typeCode, expectedTypeCode);
                    }
                }
                switch (expectedTypeCode)
                {
                case GroBufTypeCode.Int8:
                case GroBufTypeCode.UInt8:
                case GroBufTypeCode.Boolean:
                    il.Stind(typeof(byte)); // result = value
                    break;

                case GroBufTypeCode.Int16:
                case GroBufTypeCode.UInt16:
                    il.Stind(typeof(short)); // result = value
                    break;

                case GroBufTypeCode.Int32:
                case GroBufTypeCode.UInt32:
                    il.Stind(typeof(int)); // result = value
                    break;

                case GroBufTypeCode.Int64:
                case GroBufTypeCode.UInt64:
                    il.Stind(typeof(long)); // result = value
                    break;

                case GroBufTypeCode.Single:
                    il.Stind(typeof(float)); // result = value
                    break;

                case GroBufTypeCode.Double:
                    il.Stind(typeof(double)); // result = value
                    break;

                case GroBufTypeCode.Decimal:
                    il.Stobj(typeof(decimal)); // result = value
                    break;

                default:
                    throw new NotSupportedException("Type with type code '" + expectedTypeCode + "' is not supported");
                }
                il.Ret();
            }
            var @delegate = method.CreateDelegate(typeof(PrimitiveValueReaderDelegate <>).MakeGenericType(Type));

            return(new KeyValuePair <Delegate, IntPtr>(@delegate, GroBufHelpers.ExtractDynamicMethodPointer(method)));
        }
Пример #5
0
        public void TestZzz()
        {
            var asm = AssemblyBuilder.DefineDynamicAssembly(new AssemblyName("foo"), AssemblyBuilderAccess.RunAndSave);

            var mod  = asm.DefineDynamicModule("mymod", "tmp.dll", true);
            var type = mod.DefineType("baz", TypeAttributes.Public | TypeAttributes.Class);
            var meth = type.DefineMethod("go", MethodAttributes.Public | MethodAttributes.Static, typeof(int), new[] { typeof(int) });

            var document = mod.DefineDocument("TestDebug2.txt", Guid.Empty, Guid.Empty, Guid.Empty); //Expression.SymbolDocument("TestDebug2.txt");

            meth.DefineParameter(1, ParameterAttributes.In, "$x");

            //var di = Expression.DebugInfo(sdi, 2, 2, 2, 13);

            //var exp = Expression.Divide(Expression.Constant(2), Expression.Subtract(Expression.Constant(4), Expression.Constant(4)));
            //var block = Expression.Block(di, exp);

            using (var il = new GroboIL(meth))
            {
//                var tst = Expression.Block(Expression.DebugInfo(sdi, 6, 20, 6, 27), Expression.Equal(variable, zero));
//                var iftrue = Expression.Block(Expression.DebugInfo(sdi, 10, 20, 10, 26), Expression.Add(variable, two));
//                var iffalse = Expression.Block(Expression.DebugInfo(sdi, 14, 20, 14, 26), Expression.Divide(variable, two));
//                var exp = Expression.Condition(tst, iftrue, iffalse);
//                var block = Expression.Block(Expression.DebugInfo(sdi, 4, 16, 15, 10), exp);

//                        nop                      // []
//        nop                      // []
//        ldarg.0                  // [Int32]
//        ldc.i4.0                 // [Int32, Int32]
//        ceq                      // [Int32]
//        brfalse ifFalse_5        // []
//        nop                      // []
//        ldarg.0                  // [Int32]
//        ldc.i4.2                 // [Int32, Int32]
//        add                      // [Int32]
//        br done_8                // [Int32]
//ifFalse_5:                       // []
//        nop                      // []
//        ldarg.0                  // [Int32]
//        ldc.i4.2                 // [Int32, Int32]
//        div                      // [Int32]
//done_8:                          // [Int32]
//        ret                      // []

                il.MarkSequencePoint(document, 3, 9, 3, 15);
                il.Nop();
                il.MarkSequencePoint(document, 4, 13, 4, 19);
                il.Nop();
                il.Ldarg(0);
                il.Ldc_I4(0);
                il.Ceq();
                var label = il.DefineLabel("ifFalse");
                il.Brfalse(label);
                il.MarkSequencePoint(document, 7, 13, 7, 19);
                il.Nop();
                il.Ldarg(0);
                il.Ldc_I4(2);
                il.Add();
                var doneLabel = il.DefineLabel("done");
                il.Br(doneLabel);
                il.MarkLabel(label);
                il.MarkSequencePoint(document, 10, 13, 10, 19);
                il.Nop();
                il.Ldarg(0);
                il.Ldc_I4(2);
                il.Mul();
                il.MarkLabel(doneLabel);
                il.MarkSequencePoint(document, 12, 5, 12, 6);
                il.Nop();
                il.Ret();
            }

            var newtype = type.CreateType();

            asm.Save("tmp.dll");
            newtype.GetMethod("go").Invoke(null, new object[] { 0 });
            //meth.Invoke(null, new object[0]);
            //lambda.DynamicInvoke(new object[0]);
            Console.WriteLine(" ");
        }
Пример #6
0
        public void GetReadILCode(PropertyData prop, BinaryStruct currentStruct, GroboIL il, GroboIL.Local binaryStruct, GroboIL.Local buffer, GroboIL.Local result, GroboIL.Local typeSize, GroboIL.Local offset, bool listValue)
        {
            var exitLabel = il.DefineLabel("exit");

            BinaryStruct.ReadObjectNull(il, exitLabel, buffer, offset, typeSize);

            var len  = il.DeclareLocal(typeof(int));
            var list = il.DeclareLocal(prop.PropertyInfo.PropertyType);

            il.Ldloc(buffer);
            il.Ldloc(offset);
            il.Call(readBitConverterMethodInfo);
            il.Stloc(len);

            BinaryStruct.WriteOffsetAppend(il, offset, 4);

            il.Newobj(BinaryStruct.GetConstructor(prop.PropertyInfo.PropertyType, null));

            il.Stloc(list);
            il.Ldloc(result);
            il.Ldloc(list);
            il.Call(prop.Setter, isVirtual: true);

            il.Ldloc(len);
            il.Ldc_I4(0);
            il.Ceq();
            il.Brtrue(exitLabel);

            var typeKey   = prop.PropertyInfo.PropertyType.GetGenericArguments()[0];
            var typeValue = prop.PropertyInfo.PropertyType.GetGenericArguments()[1];

            var ivar             = il.DeclareLocal(typeof(int));
            var currentItemKey   = il.DeclareLocal(typeKey);
            var currentItemValue = il.DeclareLocal(typeValue);

            var point = il.DefineLabel("for_label");

            il.Ldc_I4(0);
            il.Stloc(ivar);

            il.MarkLabel(point);

            //body


            //key
            if (typeof(IBasicType).IsAssignableFrom(prop.BinaryAttr.Type.GetGenericArguments()[0]))
            {
                IBasicType t = (IBasicType)Activator.CreateInstance(prop.BinaryAttr.Type.GetGenericArguments()[0]);
                t.GetReadILCode(prop, currentStruct, il, binaryStruct, buffer, currentItemKey, typeSize, offset, true);
            }
            else
            {
                var constr = BinaryStruct.GetConstructor(typeKey, null);
                if (constr == null)
                {
                    throw new Exception($"Type {typeKey} not have constructor with not parameters");
                }

                il.Newobj(constr);
                il.Stloc(currentItemKey);

                BinaryStruct.CompileReader(currentStruct.CurrentStorage.GetTypeInfo(typeKey, currentStruct.Scheme), il, binaryStruct, buffer, offset, currentItemKey, typeSize);
            }

            //value
            if (typeof(IBasicType).IsAssignableFrom(prop.BinaryAttr.Type.GetGenericArguments()[1]))
            {
                IBasicType t = (IBasicType)Activator.CreateInstance(prop.BinaryAttr.Type.GetGenericArguments()[1]);
                t.GetReadILCode(prop, currentStruct, il, binaryStruct, buffer, currentItemValue, typeSize, offset, true);
            }
            else
            {
                var constr = BinaryStruct.GetConstructor(typeValue, null);
                if (constr == null)
                {
                    throw new Exception($"Type {typeValue} not have constructor with not parameters");
                }

                il.Newobj(constr);
                il.Stloc(currentItemValue);

                BinaryStruct.CompileReader(currentStruct.CurrentStorage.GetTypeInfo(typeValue, currentStruct.Scheme), il, binaryStruct, buffer, offset, currentItemValue, typeSize);
            }

            il.Ldloc(list);
            il.Ldloc(currentItemKey);
            il.Ldloc(currentItemValue);
            il.Call(prop.PropertyInfo.PropertyType.GetMethod("Add"), isVirtual: true);

            //end body

            il.Ldc_I4(1);
            il.Ldloc(ivar);
            il.Add();
            il.Stloc(ivar);

            il.Ldloc(ivar);
            il.Ldloc(len);

            il.Clt(false);
            il.Brtrue(point);

            il.MarkLabel(exitLabel);
        }
Пример #7
0
        public void GetWriteILCode(PropertyData prop, BinaryStruct currentStruct, GroboIL il, GroboIL.Local binaryStruct, GroboIL.Local value, GroboIL.Local typeSize, GroboIL.Local buffer, GroboIL.Local offset, bool listValue)
        {
            var arr = il.DeclareLocal(prop.PropertyInfo.PropertyType);

            il.Ldloc(value);
            il.Call(prop.Getter);
            il.Stloc(arr);

            var exitLabel = il.DefineLabel("exit");

            BinaryStruct.WriteSizeChecker(il, buffer, offset, 5);
            BinaryStruct.WriteObjectNull(il, exitLabel, arr, buffer, offset, typeSize);

            var arrSize = il.DeclareLocal(typeof(byte[]));
            var len     = il.DeclareLocal(typeof(int));

            il.Ldloc(value);
            il.Call(prop.Getter);
            il.Call(typeof(ICollection).GetProperty("Count").GetMethod);
            il.Stloc(len);

            il.Ldloc(len);
            il.Call(writeBitConverterMethodInfo);
            il.Stloc(arrSize);

            il.Ldloc(buffer);
            il.Ldloc(offset);
            il.Ldloc(arrSize);
            il.Ldc_I4(0);
            il.Ldelem(typeof(byte));
            il.Stelem(typeof(byte));

            for (int i = 1; i < 4; i++)
            {
                il.Ldloc(buffer);
                il.Ldloc(offset);
                il.Ldc_I4(i);
                il.Add();
                il.Ldloc(arrSize);
                il.Ldc_I4(i);
                il.Ldelem(typeof(byte));
                il.Stelem(typeof(byte));
            }

            BinaryStruct.WriteOffsetAppend(il, offset, 4);


            il.Ldloc(len);
            il.Ldc_I4(0);
            il.Ceq();
            il.Brtrue(exitLabel);

            var typeKey   = prop.PropertyInfo.PropertyType.GetGenericArguments()[0];
            var typeValue = prop.PropertyInfo.PropertyType.GetGenericArguments()[1];

            var ivar             = il.DeclareLocal(typeof(int));
            var currentItemKey   = il.DeclareLocal(typeKey);
            var currentItemValue = il.DeclareLocal(typeValue);

            var point = il.DefineLabel("for_label");

            il.Ldc_I4(0);
            il.Stloc(ivar);

            var enumeratorMethod = prop.PropertyInfo.PropertyType.GetMethod("GetEnumerator");

            var enumerator = il.DeclareLocal(enumeratorMethod.ReturnType);

            var moveNext   = enumerator.Type.GetMethod("MoveNext");
            var getCurrent = enumerator.Type.GetMethod("get_Current");

            var temp  = il.DeclareLocal(getCurrent.ReturnType);
            var exist = il.DeclareLocal(typeof(bool));

            il.Ldloc(arr);
            il.Call(enumeratorMethod, isVirtual: true);
            il.Stloc(enumerator);

            var keyGetter   = getCurrent.ReturnType.GetMethod("get_Key");
            var valueGetter = getCurrent.ReturnType.GetMethod("get_Value");

            il.MarkLabel(point);

            //body

            il.Ldloca(enumerator);
            il.Call(moveNext, enumerator.Type);
            il.Stloc(exist);

            il.Ldloca(enumerator);
            //il.Calli(CallingConventions.Any, typeof(KeyValuePair<int, int>),new Type[] { typeof(int),typeof(int) });
            il.Call(getCurrent, enumerator.Type);
            il.Stloc(temp);

            il.Ldloca(temp);
            il.Call(keyGetter, typeof(int));
            il.Stloc(currentItemKey);

            if (typeof(IBasicType).IsAssignableFrom(prop.BinaryAttr.Type.GetGenericArguments()[0]))
            {
                IBasicType t = (IBasicType)Activator.CreateInstance(prop.BinaryAttr.Type.GetGenericArguments()[0]);
                t.GetWriteILCode(prop, currentStruct, il, binaryStruct, currentItemKey, typeSize, buffer, offset, true);
            }
            else
            {
                BinaryStruct.CompileWriter(currentStruct.CurrentStorage.GetTypeInfo(typeKey, currentStruct.Scheme), il, binaryStruct, currentItemKey, buffer, offset, typeSize);
            }

            il.Ldloca(temp);
            il.Call(valueGetter);
            il.Stloc(currentItemValue);

            if (typeof(IBasicType).IsAssignableFrom(prop.BinaryAttr.Type.GetGenericArguments()[1]))
            {
                IBasicType t = (IBasicType)Activator.CreateInstance(prop.BinaryAttr.Type.GetGenericArguments()[1]);
                t.GetWriteILCode(prop, currentStruct, il, binaryStruct, currentItemValue, typeSize, buffer, offset, true);
            }
            else
            {
                BinaryStruct.CompileWriter(currentStruct.CurrentStorage.GetTypeInfo(typeValue, currentStruct.Scheme), il, binaryStruct, currentItemValue, buffer, offset, typeSize);
            }
            //end body

            il.Ldc_I4(1);
            il.Ldloc(ivar);
            il.Add();
            il.Stloc(ivar);

            il.Ldloc(ivar);
            il.Ldloc(len);

            il.Clt(false);
            il.Brtrue(point);

            il.MarkLabel(exitLabel);
        }
        protected override bool EmitInternal(SwitchExpression node, EmittingContext context, GroboIL.Label returnDefaultValueLabel, ResultType whatReturn, bool extend, out Type resultType)
        {
            GroboIL il           = context.Il;
            var     defaultLabel = il.DefineLabel("default");
            var     caseLabels   = new GroboIL.Label[node.Cases.Count];

            GroboIL.Label switchValueIsNullLabel = null;
            for (int index = 0; index < node.Cases.Count; index++)
            {
                caseLabels[index] = il.DefineLabel("case#" + index);
            }
            context.EmitLoadArguments(node.SwitchValue);
            using (var switchValue = context.DeclareLocal(node.SwitchValue.Type))
            {
                il.Stloc(switchValue);
                Tuple <int, int, int> switchCase;
                if (context.ParsedLambda.ParsedSwitches.TryGetValue(node, out switchCase))
                {
                    // use simplified hashtable to locate the proper case
                    var labels = new List <GroboIL.Label>();
                    for (int index = 0; index < node.Cases.Count; index++)
                    {
                        foreach (var testValue in node.Cases[index].TestValues)
                        {
                            if (((ConstantExpression)testValue).Value != null)
                            {
                                labels.Add(caseLabels[index]);
                            }
                            else
                            {
                                switchValueIsNullLabel = caseLabels[index];
                            }
                        }
                    }
                    if (switchValueIsNullLabel != null)
                    {
                        if (!node.SwitchValue.Type.IsNullable())
                        {
                            il.Ldloc(switchValue);
                        }
                        else
                        {
                            il.Ldloca(switchValue);
                            context.EmitHasValueAccess(node.SwitchValue.Type);
                        }
                        il.Brfalse(switchValueIsNullLabel);
                    }
                    EmittingContext.LocalHolder pureSwitchValue = switchValue;
                    if (node.SwitchValue.Type.IsNullable())
                    {
                        pureSwitchValue = context.DeclareLocal(node.SwitchValue.Type.GetGenericArguments()[0]);
                        il.Ldloca(switchValue);
                        context.EmitValueAccess(node.SwitchValue.Type);
                        il.Stloc(pureSwitchValue);
                    }
                    Type temp;
                    ExpressionEmittersCollection.Emit(context.ParsedLambda.ConstantsBuilder.MakeAccess(context.ParsedLambda.ConstantsParameter, switchCase.Item1), context, out temp);
                    var type     = node.SwitchValue.Type.IsNullable() ? node.SwitchValue.Type.GetGenericArguments()[0] : node.SwitchValue.Type;
                    var typeCode = Type.GetTypeCode(type);
                    switch (typeCode)
                    {
                    case TypeCode.Byte:
                    case TypeCode.Char:
                    case TypeCode.Int16:
                    case TypeCode.Int32:
                    case TypeCode.Int64:
                    case TypeCode.SByte:
                    case TypeCode.UInt16:
                    case TypeCode.UInt32:
                    case TypeCode.UInt64:
                        il.Ldloc(pureSwitchValue);
                        break;

                    default:
                        if (type.IsValueType)
                        {
                            il.Ldloca(pureSwitchValue);
                        }
                        else
                        {
                            il.Ldloc(pureSwitchValue);
                        }
                        il.Call(typeof(object).GetMethod("GetHashCode"), type);
                        break;
                    }
                    using (var index = context.DeclareLocal(typeof(int)))
                    {
                        if (typeCode == TypeCode.Int64 || typeCode == TypeCode.UInt64)
                        {
                            il.Ldc_I8(switchCase.Item3);
                        }
                        else
                        {
                            il.Ldc_I4(switchCase.Item3);
                        }
                        il.Rem(true);
                        if (typeCode == TypeCode.Int64 || typeCode == TypeCode.UInt64)
                        {
                            il.Conv <int>();
                        }
                        il.Stloc(index);
                        il.Ldloc(index);
                        il.Ldelem(type);
                        il.Ldloc(pureSwitchValue);
                        if (node.Comparison != null)
                        {
                            il.Call(node.Comparison);
                        }
                        else
                        {
                            il.Ceq();
                        }
                        il.Brfalse(defaultLabel);
                        ExpressionEmittersCollection.Emit(context.ParsedLambda.ConstantsBuilder.MakeAccess(context.ParsedLambda.ConstantsParameter, switchCase.Item2), context, out temp);
                        il.Ldloc(index);
                        il.Ldelem(typeof(int));
                        il.Switch(labels.ToArray());
                    }
                    if (pureSwitchValue != switchValue)
                    {
                        pureSwitchValue.Dispose();
                    }
                }
                else
                {
                    // use a number of if/else branches to locate the proper case
                    EmittingContext.LocalHolder pureSwitchValue   = switchValue;
                    EmittingContext.LocalHolder switchValueIsNull = null;
                    if (node.SwitchValue.Type.IsNullable())
                    {
                        pureSwitchValue   = context.DeclareLocal(node.SwitchValue.Type.GetGenericArguments()[0]);
                        switchValueIsNull = context.DeclareLocal(typeof(bool));
                        il.Ldloca(switchValue);
                        il.Dup();
                        context.EmitValueAccess(node.SwitchValue.Type);
                        il.Stloc(pureSwitchValue);
                        context.EmitHasValueAccess(node.SwitchValue.Type);
                        il.Stloc(switchValueIsNull);
                    }
                    for (int index = 0; index < node.Cases.Count; index++)
                    {
                        var caSe  = node.Cases[index];
                        var label = caseLabels[index];
                        foreach (var testValue in caSe.TestValues)
                        {
                            context.EmitLoadArguments(testValue);
                            GroboIL.Label elseLabel = null;
                            if (testValue.Type.IsNullable())
                            {
                                elseLabel = il.DefineLabel("else");
                                using (var temp = context.DeclareLocal(testValue.Type))
                                {
                                    il.Stloc(temp);
                                    il.Ldloca(temp);
                                    context.EmitHasValueAccess(testValue.Type);
                                    if (switchValueIsNull != null)
                                    {
                                        il.Ldloc(switchValueIsNull);
                                        il.Or();
                                        il.Brfalse(label);
                                        il.Ldloca(temp);
                                        context.EmitHasValueAccess(testValue.Type);
                                        il.Ldloc(switchValueIsNull);
                                        il.And();
                                    }
                                    il.Brfalse(elseLabel);
                                    il.Ldloca(temp);
                                    context.EmitValueAccess(testValue.Type);
                                }
                            }
                            il.Ldloc(pureSwitchValue);
                            if (node.Comparison != null)
                            {
                                il.Call(node.Comparison);
                            }
                            else
                            {
                                il.Ceq();
                            }
                            il.Brtrue(label);
                            if (elseLabel != null)
                            {
                                context.MarkLabelAndSurroundWithSP(elseLabel);
                            }
                        }
                    }
                }
            }
            context.MarkLabelAndSurroundWithSP(defaultLabel);
            var doneLabel = il.DefineLabel("done");

            context.EmitLoadArguments(node.DefaultBody);
            il.Br(doneLabel);
            for (int index = 0; index < node.Cases.Count; ++index)
            {
                context.MarkLabelAndSurroundWithSP(caseLabels[index]);
                context.EmitLoadArguments(node.Cases[index].Body);
                if (index < node.Cases.Count - 1)
                {
                    il.Br(doneLabel);
                }
            }
            context.MarkLabelAndSurroundWithSP(doneLabel);
            resultType = node.Type;
            return(false);
        }
Пример #9
0
        public void GetWriteILCode(PropertyData prop, BinaryStruct currentStruct, GroboIL il, GroboIL.Local binaryStruct, GroboIL.Local value, GroboIL.Local typeSize, GroboIL.Local buffer, GroboIL.Local offset, bool listValue)
        {
            var arr = il.DeclareLocal(prop.PropertyInfo.PropertyType);

            il.Ldloc(value);
            il.Call(prop.Getter);
            il.Stloc(arr);

            var exitLabel = il.DefineLabel("exit");

            BinaryStruct.WriteSizeChecker(il, buffer, offset, 5);

            BinaryStruct.WriteObjectNull(il, exitLabel, arr, buffer, offset, typeSize);

            var arrSize = il.DeclareLocal(typeof(byte[]));
            var len     = il.DeclareLocal(typeof(int));

            il.Ldloc(value);
            il.Call(prop.Getter);
            il.Call(typeof(ICollection).GetProperty("Count").GetMethod);
            il.Stloc(len);

            il.Ldloc(len);
            il.Call(writeBitConverterMethodInfo);
            il.Stloc(arrSize);

            il.Ldloc(buffer);
            il.Ldloc(offset);
            il.Ldloc(arrSize);
            il.Ldc_I4(0);
            il.Ldelem(typeof(byte));
            il.Stelem(typeof(byte));

            for (int i = 1; i < 4; i++)
            {
                il.Ldloc(buffer);
                il.Ldloc(offset);
                il.Ldc_I4(i);
                il.Add();
                il.Ldloc(arrSize);
                il.Ldc_I4(i);
                il.Ldelem(typeof(byte));
                il.Stelem(typeof(byte));
            }

            BinaryStruct.WriteOffsetAppend(il, offset, 4);


            il.Ldloc(len);
            il.Ldc_I4(0);
            il.Ceq();
            il.Brtrue(exitLabel);

            var type = prop.PropertyInfo.PropertyType.GetElementType();

            var ivar         = il.DeclareLocal(typeof(int));
            var currentValue = il.DeclareLocal(type);
            var point        = il.DefineLabel("for_label");

            il.Ldc_I4(0);
            il.Stloc(ivar);

            il.MarkLabel(point);

            //body


            il.Ldloc(arr);
            il.Ldloc(ivar);
            il.Ldelem(type);
            //il.Call(prop.PropertyInfo.PropertyType.GetMethod("Get"), isVirtual: true);
            il.Stloc(currentValue);

            if (typeof(IBasicType).IsAssignableFrom(prop.BinaryAttr.Type.GetGenericArguments()[0]))
            {
                IBasicType t = (IBasicType)Activator.CreateInstance(prop.BinaryAttr.Type.GetGenericArguments()[0]);
                t.GetWriteILCode(prop, currentStruct, il, binaryStruct, currentValue, typeSize, buffer, offset, true);
            }
            else
            {
                BinaryStruct.CompileWriter(currentStruct.CurrentStorage.GetTypeInfo(type, currentStruct.Scheme), il, binaryStruct, currentValue, buffer, offset, typeSize);
            }

            //end body

            il.Ldc_I4(1);
            il.Ldloc(ivar);
            il.Add();
            il.Stloc(ivar);

            il.Ldloc(ivar);
            il.Ldloc(len);

            il.Clt(false);
            il.Brtrue(point);

            il.MarkLabel(exitLabel);
        }
Пример #10
0
        private KeyValuePair <Delegate, IntPtr> GetMemberSetter(ReaderTypeBuilderContext context, MemberInfo member)
        {
            var method = new DynamicMethod("Set_" + Type.Name + "_" + member.Name + "_" + Guid.NewGuid(), typeof(void),
                                           new[]
            {
                typeof(IntPtr), typeof(int).MakeByRefType(), Type.MakeByRefType(), typeof(ReaderContext)
            }, context.Module, true);

            using (var il = new GroboIL(method))
            {
                il.Ldarg(0); // stack: [data]
                il.Ldarg(1); // stack: [data, ref index]
                switch (member.MemberType)
                {
                case MemberTypes.Field:
                    var field = (FieldInfo)member;
                    var done  = false;
                    if (member.GetCustomAttributes(typeof(IgnoreDefaultOnMergeAttribute), false).Length > 0 && field.FieldType.IsValueType)
                    {
                        var equalityOperator = field.FieldType.GetMethod("op_Equality", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static);
                        if (field.FieldType.IsPrimitive || equalityOperator != null)
                        {
                            var fieldValue = il.DeclareLocal(field.FieldType);
                            il.Ldarg(2); // stack: [data, ref index, ref result]
                            if (!Type.IsValueType)
                            {
                                il.Ldind(Type); // stack: [data, ref index, result]
                            }
                            il.Ldfld(field);
                            il.Stloc(fieldValue);
                            il.Ldloca(fieldValue);
                            il.Ldarg(3);                                                         // stack: [data, ref index, ref result.field, context]
                            ReaderMethodBuilderContext.CallReader(il, field.FieldType, context); // reader(data, ref index, ref result.field, context); stack: []

                            var temp = il.DeclareLocal(field.FieldType);
                            il.Ldloca(temp);
                            il.Initobj(field.FieldType);
                            il.Ldloc(temp);
                            il.Ldloc(fieldValue);
                            if (field.FieldType.IsPrimitive)
                            {
                                il.Ceq();
                            }
                            else
                            {
                                il.Call(equalityOperator);
                            }
                            var notDefaultLabel = il.DefineLabel("notDefault");
                            il.Brfalse(notDefaultLabel);
                            il.Ret();
                            il.MarkLabel(notDefaultLabel);
                            il.Ldarg(2);
                            if (!Type.IsValueType)
                            {
                                il.Ldind(Type); // stack: [data, ref index, result]
                            }
                            il.Ldloc(fieldValue);
                            il.Stfld(field);
                            done = true;
                        }
                    }
                    if (!done)
                    {
                        il.Ldarg(2); // stack: [data, ref index, ref result]
                        if (!Type.IsValueType)
                        {
                            il.Ldind(Type);                                                  // stack: [data, ref index, result]
                        }
                        il.Ldflda(field);                                                    // stack: [data, ref index, ref result.field]
                        il.Ldarg(3);                                                         // stack: [data, ref index, ref result.field, context]
                        ReaderMethodBuilderContext.CallReader(il, field.FieldType, context); // reader(data, ref index, ref result.field, context); stack: []
                    }
                    break;

                case MemberTypes.Property:
                    var property      = (PropertyInfo)member;
                    var propertyValue = il.DeclareLocal(property.PropertyType);
                    if (context.GroBufReader.Options.HasFlag(GroBufOptions.MergeOnRead))
                    {
                        var getter = property.GetGetMethod(true);
                        if (getter == null)
                        {
                            throw new MissingMethodException(Type.Name, property.Name + "_get");
                        }
                        il.Ldarg(2); // stack: [data, ref index, ref result]
                        if (!Type.IsValueType)
                        {
                            il.Ldind(Type);                                                    // stack: [data, ref index, result]
                        }
                        il.Call(getter, Type);                                                 // stack: [ data, ref index, result.property]
                        il.Stloc(propertyValue);                                               // propertyValue = result.property; stack: [data, ref index]
                    }
                    il.Ldloca(propertyValue);                                                  // stack: [data, ref index, ref propertyValue]
                    il.Ldarg(3);                                                               // stack: [data, ref index, ref propertyValue, context]
                    ReaderMethodBuilderContext.CallReader(il, property.PropertyType, context); // reader(data, ref index, ref propertyValue, context); stack: []
                    if (member.GetCustomAttributes(typeof(IgnoreDefaultOnMergeAttribute), false).Length > 0 && property.PropertyType.IsValueType)
                    {
                        var equalityOperator = property.PropertyType.GetMethod("op_Equality", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static);
                        if (property.PropertyType.IsPrimitive || equalityOperator != null)
                        {
                            var temp = il.DeclareLocal(property.PropertyType);
                            il.Ldloca(temp);
                            il.Initobj(property.PropertyType);
                            il.Ldloc(temp);
                            il.Ldloc(propertyValue);
                            if (property.PropertyType.IsPrimitive)
                            {
                                il.Ceq();
                            }
                            else
                            {
                                il.Call(equalityOperator);
                            }
                            var notDefaultLabel = il.DefineLabel("notDefault");
                            il.Brfalse(notDefaultLabel);
                            il.Ret();
                            il.MarkLabel(notDefaultLabel);
                        }
                    }
                    il.Ldarg(2); // stack: [ref result]
                    if (!Type.IsValueType)
                    {
                        il.Ldind(Type);      // stack: [result]
                    }
                    il.Ldloc(propertyValue); // stack: [result, propertyValue]
                    var setter = property.GetSetMethod(true);
                    if (setter == null)
                    {
                        throw new MissingMethodException(Type.Name, property.Name + "_set");
                    }
                    il.Call(setter, Type); // result.property = propertyValue
                    break;

                default:
                    throw new NotSupportedException("Data member of type '" + member.MemberType + "' is not supported");
                }
                il.Ret();
            }
            var @delegate = method.CreateDelegate(typeof(ReaderDelegate <>).MakeGenericType(Type));

            return(new KeyValuePair <Delegate, IntPtr>(@delegate, GroBufHelpers.ExtractDynamicMethodPointer(method)));
        }
Пример #11
0
        public void GetWriteILCode(PropertyData prop, BinaryStruct currentStruct, GroboIL il, GroboIL.Local binaryStruct, GroboIL.Local value, GroboIL.Local typeSize, GroboIL.Local buffer, GroboIL.Local offset, bool listValue)
        {
            BinaryStruct.WriteSizeChecker(il, buffer, offset, 5);

            var arr       = il.DeclareLocal(typeof(byte[]));
            var arrSize   = il.DeclareLocal(typeof(byte[]));
            var temp      = il.DeclareLocal(typeof(string));
            var exitLabel = il.DefineLabel("exit");


            il.Ldloc(value);

            if (!listValue)
            {
                il.Call(prop.Getter);
            }
            il.Stloc(temp);

            il.Ldloc(temp);
            BinaryStruct.WriteObjectNull(il, exitLabel, buffer, offset, typeSize);

            il.Ldloc(temp);
            il.Call(typeof(string).GetProperty("Length").GetMethod);
            il.Stloc(typeSize);

            il.Ldarg(1);
            il.Call(codingMethodInfo);

            il.Ldloc(temp);

            il.Call(currentStruct.Coding.GetType().GetMethod("GetBytes", new Type[] { typeof(string) }));
            il.Stloc(arr);

            il.Ldloc(arr);
            il.Call(typeof(byte[]).GetProperty("Length").GetMethod);
            il.Stloc(typeSize);

            il.Ldloc(typeSize);
            il.Call(writeBitConverterMethodInfo);
            il.Stloc(arrSize);

            il.Ldloc(buffer);
            il.Ldloc(offset);
            il.Ldloc(arrSize);
            il.Ldc_I4(0);
            il.Ldelem(typeof(byte));
            il.Stelem(typeof(byte));

            for (int i = 1; i < 4; i++)
            {
                il.Ldloc(buffer);
                il.Ldloc(offset);
                il.Ldc_I4(i);
                il.Add();
                il.Ldloc(arrSize);
                il.Ldc_I4(i);
                il.Ldelem(typeof(byte));
                il.Stelem(typeof(byte));
            }

            BinaryStruct.WriteOffsetAppend(il, offset, 4);

            il.Ldloc(typeSize);
            il.Ldc_I4(0);
            il.Ceq();
            il.Brtrue(exitLabel);

            BinaryStruct.WriteSizeChecker(il, buffer, offset, typeSize);

            var ivar  = il.DeclareLocal(typeof(int));
            var point = il.DefineLabel("for_label");

            il.Ldc_I4(0);
            il.Stloc(ivar);

            il.MarkLabel(point);

            //body

            il.Ldloc(buffer);
            il.Ldloc(ivar);
            il.Ldloc(offset);
            il.Add();
            il.Ldloc(arr);
            il.Ldloc(ivar);

            il.Ldelem(typeof(byte));
            il.Stelem(typeof(byte));

            //end body

            il.Ldc_I4(1);
            il.Ldloc(ivar);
            il.Add();
            il.Stloc(ivar);

            il.Ldloc(ivar);
            il.Ldloc(typeSize);

            il.Clt(false);
            il.Brtrue(point);

            BinaryStruct.WriteOffsetAppend(il, offset, typeSize);

            il.MarkLabel(exitLabel);
        }
        protected override bool EmitInternal(BinaryExpression node, EmittingContext context, GroboIL.Label returnDefaultValueLabel, ResultType whatReturn, bool extend, out Type resultType)
        {
            Expression left = node.Left;
            Expression right = node.Right;
            Type       leftType, rightType;

            context.EmitLoadArgument(left, false, out leftType);
            context.EmitLoadArgument(right, false, out rightType);
            GroboIL il = context.Il;

            if (!leftType.IsNullable() && !rightType.IsNullable())
            {
                if (node.Method != null)
                {
                    il.Call(node.Method);
                }
                else
                {
                    if (leftType.IsStruct() || rightType.IsStruct())
                    {
                        throw new InvalidOperationException("Cannot compare structs");
                    }
                    il.Ceq();
                    if (node.NodeType == ExpressionType.NotEqual)
                    {
                        il.Ldc_I4(1);
                        il.Xor();
                    }
                }
            }
            else
            {
                var type = leftType;
                if (type != rightType)
                {
                    throw new InvalidOperationException("Cannot compare objects of different types '" + leftType + "' and '" + rightType + "'");
                }
                using (var localLeft = context.DeclareLocal(type))
                    using (var localRight = context.DeclareLocal(type))
                    {
                        il.Stloc(localRight);
                        il.Stloc(localLeft);
                        if (node.Method != null)
                        {
                            il.Ldloca(localLeft);             // stack: [&left]
                            context.EmitHasValueAccess(type); // stack: [left.HasValue]
                            il.Dup();                         // stack: [left.HasValue, left.HasValue]
                            il.Ldloca(localRight);            // stack: [left.HasValue, left.HasValue, &right]
                            context.EmitHasValueAccess(type); // stack: [left.HasValue, left.HasValue, right.HasValue]
                            var notEqualLabel = il.DefineLabel("notEqual");
                            il.Bne_Un(notEqualLabel);         // stack: [left.HasValue]
                            var equalLabel = il.DefineLabel("equal");
                            il.Brfalse(equalLabel);
                            il.Ldloca(localLeft);
                            context.EmitValueAccess(type);
                            il.Ldloca(localRight);
                            context.EmitValueAccess(type);
                            il.Call(node.Method);
                            var doneLabel = il.DefineLabel("done");
                            il.Br(doneLabel);
                            context.MarkLabelAndSurroundWithSP(notEqualLabel);
                            il.Pop();
                            il.Ldc_I4(node.NodeType == ExpressionType.Equal ? 0 : 1);
                            il.Br(doneLabel);
                            context.MarkLabelAndSurroundWithSP(equalLabel);
                            il.Ldc_I4(node.NodeType == ExpressionType.Equal ? 1 : 0);
                            context.MarkLabelAndSurroundWithSP(doneLabel);
                        }
                        else
                        {
                            il.Ldloca(localLeft);
                            context.EmitValueAccess(type);
                            il.Ldloca(localRight);
                            context.EmitValueAccess(type);
                            var notEqualLabel = il.DefineLabel("notEqual");
                            il.Bne_Un(notEqualLabel);
                            il.Ldloca(localLeft);
                            context.EmitHasValueAccess(type);
                            il.Ldloca(localRight);
                            context.EmitHasValueAccess(type);
                            il.Ceq();
                            var doneLabel = il.DefineLabel("done");
                            il.Br(doneLabel);
                            context.MarkLabelAndSurroundWithSP(notEqualLabel);
                            il.Ldc_I4(0);
                            context.MarkLabelAndSurroundWithSP(doneLabel);
                            if (node.NodeType == ExpressionType.NotEqual)
                            {
                                il.Ldc_I4(1);
                                il.Xor();
                            }
                        }
                    }
            }
            resultType = typeof(bool);
            return(false);
        }