Beispiel #1
0
        private static void AppendBinaryOperation(ModuleDefinition moduleDefinition, TypeDefinition definition, InstructionData instructionData, string baseName, Instruction operation)
        {
            var method = FieldOperationMethod.Create(moduleDefinition, definition, $"{baseName}{instructionData.type.Name}", instructionData.GetTypeReference(moduleDefinition), instructionData.GetBinaryConfigTypeDefinition(moduleDefinition), $"core_field_operation_{baseName.ToLower()}", baseName, instructionData.type.Name.ToLower());

            method.definition.Body.InitLocals = true;
            method.definition.Body.SimplifyMacros();
            var data = new VariableDefinition(instructionData.GetBinaryConfigTypeDefinition(moduleDefinition));

            method.definition.Body.Variables.Add(data);
            var processor = method.definition.Body.GetILProcessor();

            processor.Emit(OpCodes.Nop);
            processor.Emit(OpCodes.Ldarga_S, method.configParameter);
            processor.Emit(OpCodes.Call, moduleDefinition.ImportReference(typeof(IntPtr).GetMethod(nameof(IntPtr.ToPointer))));
            var call = new GenericInstanceMethod(moduleDefinition.ImportReference(typeof(UnsafeUtility).GetMethod(nameof(UnsafeUtility.AsRef))));

            call.GenericArguments.Add(instructionData.GetBinaryConfigTypeDefinition(moduleDefinition));
            processor.Emit(OpCodes.Call, call);
            processor.Emit(OpCodes.Ldobj, instructionData.GetBinaryConfigTypeDefinition(moduleDefinition));
            processor.Emit(OpCodes.Stloc, data);
            processor.Emit(OpCodes.Ldarg_1);
            processor.Emit(OpCodes.Call, moduleDefinition.ImportReference(typeof(IntPtr).GetMethods(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Instance).First(m => m.Name == "op_Explicit" && m.GetParameters().Length == 1 && m.GetParameters()[0].ParameterType == typeof(IntPtr) && m.ReturnType == typeof(void *))));
            processor.Emit(OpCodes.Ldloc_0);
            processor.Emit(OpCodes.Ldfld, instructionData.GetBinaryConfigTypeDefinition(moduleDefinition).Fields[0]);
            processor.Emit(OpCodes.Ldloc_0);
            processor.Emit(OpCodes.Ldfld, instructionData.GetBinaryConfigTypeDefinition(moduleDefinition).Fields[1]);
            processor.Append(operation);
            processor.Append(instructionData.GetStoreInstruction(moduleDefinition));
            processor.Emit(OpCodes.Ret);
            method.definition.Body.OptimizeMacros();
        }